CN210156592U - First Connector, Second Connector, and Connector Assembly - Google Patents

Abstract

A first connector comprises a first insulating body, a first terminal module and a first shell covering the first insulating body, wherein the first connector is provided with a hollow groove for guiding a second connector when the second connector is inserted. The utility model discloses still relate to a second connector, it includes second insulator and second terminal module, second insulator includes the main part and certainly the convex guide in both sides of main part is protruding, guide bellied top surface with the top surface of main part flushes or is less than the top surface of main part, guide in protruding being used for inserting the dead slot of first connector. The utility model discloses still relate to the connector assembly who has above-mentioned first connector and above-mentioned second connector, wherein guide protruding and dead slot as both guide structures when pegging graft the cooperation, improved the butt joint precision.

Description

First Connector, Second Connector, and Connector Assembly

technical field

The utility model relates to a first connector, a second connector and a connector assembly, which can be applied to the technical field of high-speed connectors.

Background technique

Existing connector assemblies generally include a first connector and a second connector that cooperate with each other, wherein the first connector includes an insulating body, and the second connector includes a metal shell. In order to realize the insertion guide and positioning of the two, the insulating body of the first connector is usually designed to be wider, so that it has positioning grooves on both sides, so as to be able to hold the two parts of the metal shell of the second connector. side. However, this design makes the insulating body of the first connector wider, which is not conducive to reducing the size.

Utility model content

The purpose of the present invention is to provide a first connector, a second connector and a connector assembly with a butt-guided structure.

In order to achieve the above purpose, the present invention adopts the following technical solutions: a first connector, which includes a first insulating body, a first terminal module and a first housing shielded on the first insulating body, the The first connector is provided with an empty groove for guiding the second connector when the second connector is inserted, wherein the empty grooves are two and correspondingly arranged.

As a further improved technical solution of the present invention, the hollow groove is formed by the first insulating body; or

the cavity is formed by the first housing; or

The hollow slot is jointly formed by the first insulating body and the first casing.

As a further improved technical solution of the present invention, the hollow grooves are located at the left and right corners of the upper end of the first insulating body, and the hollow grooves are arranged on the top surface or the side surface of the first insulating body.

As a further improved technical solution of the present invention, the hollow grooves are located at the left and right corners of the upper end of the first insulating body, and the hollow grooves are L-shaped and arranged on the top surface and the side surface of the first insulating body.

As a further improved technical solution of the present invention, the first insulating body includes a first top wall, and the first top wall is provided with two protruding blocks close to both sides and a receiving block located between the two protruding blocks. space; the first shell includes an upper shell shielded on the first top wall, the upper shell includes a locking plate, and the receiving space is located between the first top wall and the locking plate , the locking plate is provided with at least one locking hole for locking with the second connector.

As a further improved technical solution of the present invention, the top surface of the upper shell corresponding to the hollow groove and the top surface of the upper shell corresponding to the receiving space are substantially flush.

As a further improved technical solution of the present invention, the protruding block is located between the receiving space and the hollow groove, and the upper shell covers and is supported by the protruding block.

The utility model also relates to a second connector, which comprises a second insulating body and a second terminal module, wherein the second insulating body includes a main body part and guiding protrusions protruding from both sides of the main body part , the top surface of the guide protrusion is flush with or lower than the top surface of the main body portion, and the guide protrusion is used for inserting into the empty groove of the first connector.

As a further improved technical solution of the present invention, the second insulating body includes a tongue plate protruding from the main body portion and an extension portion protruding from the main body portion and located above the tongue plate, and the extension portion is vertically positioned above the tongue plate. It has an overlapping portion with the tongue plate in the straight direction.

As a further improved technical solution of the present invention, the guide protrusion is L-shaped; the guide protrusion is integrally extended from the main body portion, or the guide protrusion and the main body portion are assembled in a Two different parts together.

The present invention also relates to a connector assembly comprising the aforementioned first connector and the aforementioned second connector, wherein the first connector is matched with the second connector.

Compared with the prior art, the first connector of the present invention is provided with an empty slot for guiding the second connector when the second connector is inserted; correspondingly, the second connector of the present invention is provided with an empty groove. There are guide protrusions for inserting into the empty grooves of the first connector, the top surface of the guide protrusion is flush with the top surface of the main body part or lower than the top surface of the main body part, which saves space At the same time, it is ensured that the guiding protrusion can be matched with the hollow groove; in addition, the present invention also relates to a connector assembly having the above-mentioned first connector and the above-mentioned second connector.

Description of drawings

FIG. 1 is a perspective view of the connector assembly of the present invention, wherein the first connector is mounted on the circuit board.

FIG. 2 is a partially exploded perspective view of FIG. 1 .

FIG. 3 is a plan view of FIG. 1 .

FIG. 4 is a schematic diagram of the combination of FIG. 3 .

FIG. 5 is a schematic cross-sectional view taken along the line A-A in FIG. 1 .

FIG. 6 is an exploded schematic view of the first connector and the circuit board in FIG. 2 .

FIG. 7 is a front view of the first connector of FIG. 2 .

8 is a partially exploded perspective view of the first connector.

FIG. 9 is a further exploded perspective view of FIG. 8 .

FIG. 10 is an exploded perspective view of FIG. 8 from another angle.

FIG. 11 is an exploded perspective view of FIG. 9 from another angle.

FIG. 12 is a top view of the first terminal unit in FIG. 11 .

FIG. 13 is a top view of the insulating block of FIG. 11 .

FIG. 14 is a schematic perspective view of the second connector in FIG. 2 .

FIG. 15 is a partially exploded perspective view of FIG. 14 .

FIG. 16 is a front view of FIG. 14 .

Fig. 17 is a schematic diagram of the state where the locking piece is matched with the pull tab and the locking portion is before unlocking.

FIG. 18 is a schematic view of the state when the buckle piece in FIG. 17 is matched with the pull-tab and the locking section is unlocked.

Detailed ways

Referring to FIGS. 1 to 5 , the present invention discloses a connector assembly, which includes a first connector 100 and a second connector 200 matched with the first connector 100 . In the illustrated embodiment of the present invention, the first connector 100 is a board-side connector, which is used for mounting on the circuit board 101; the second connector 200 is a cable connector, which is used for Connected to cable 201 .

Referring to FIGS. 6 to 11 , the first connector 100 includes a first insulating body 1 , a first terminal module 2 mounted on the first insulating body 1 , and a first terminal module 2 shielded on the first insulating body 1 1 of the outer periphery of the first housing 3. The first casing 3 is made of metal material.

The first insulating body 1 includes a mating surface 14 and a mounting surface 15 for mounting the first connector 100 on the circuit board 101 , wherein the mating surface 14 is formed with a mating surface 14 for connecting with the second connector 100 . The connector 200 is matched with the slot 141 , and the mounting surface 15 is formed with a mounting slot 151 for accommodating the first terminal module 2 .

From a structural point of view, the first insulating body 1 generally includes a first top wall 11 , a first bottom wall 12 and two first side walls 13 connecting the first top wall 11 and the first bottom wall 12 . The slot 141 is jointly surrounded by the first top wall 11 , the first bottom wall 12 and the two first side walls 13 . The inner side of the first top wall 11 and the inner side of the first bottom wall 12 are provided with a plurality of protruding strips 121 arranged at intervals, and terminal slots 122 are formed between two adjacent protruding strips 121 . The first top wall 11 is further provided with two protruding blocks 112 near two sides and a receiving space 113 between the two protruding blocks 112 . Each of the bumps 112 is provided with a notch 1121 on the front end surface. In the illustrated embodiment of the present invention, the notch 1121 is in an inverted T shape, which includes a first notch 1122 at the upper end and a second notch 1123 at the lower end, wherein the first notch 1122 is The width is smaller than the width of the second recess 1123 . In order to fix the first terminal module 2 , the first top wall 11 and the first bottom wall 12 are further provided with a first locking slot 115 and a second locking slot 123 respectively. In addition, the two first side walls 13 are respectively provided with retaining grooves 131 located on the outer side and used for matching with the first casing 3 .

The first terminal module 2 includes a first terminal unit 21 , a second terminal unit 22 and a conductive plastic 23 clamped between the first terminal unit 21 and the second terminal unit 22 . 8 to 11 , in the illustrated embodiment of the present invention, the first terminal unit 21 and the second terminal unit 22 are symmetrically arranged on the upper and lower sides of the conductive plastic 23 . Preferably, the first terminal unit 21 and the second terminal unit 22 can use the same components, and only need to turn the components 180 degrees during assembly.

The first terminal unit 21 is provided with a first insulator 211 and a plurality of first terminals 212 fixed on the first insulator 211 . In an embodiment of the present invention, the first terminal 212 is insert-molded on the first insulator 211 . The first insulator 211 is provided with a first locking block 2111 for matching with the first locking groove 115 . From a structural point of view, the first terminal 212 includes a first fixing portion (not shown) fixed on the first insulator 211 , a first contact portion 2122 extending forward from the first fixing portion, and a self- The first welding portion 2123 of the first fixing portion is bent backward. Functionally, the first terminal 212 includes a signal terminal and a ground terminal, wherein two adjacent signal terminals and ground terminals form a group, and the first terminal 212 includes multiple groups of such signal terminals and ground terminals.

Similarly, the second terminal unit 22 is provided with a second insulator 221 and a plurality of second terminals 222 fixed on the second insulator 221 . In an embodiment of the present invention, the second terminal 222 is insert-molded on the second insulator 221 . The second insulator 221 is provided with a second clamping block (not shown) for matching with the second clamping slot 123 . From a structural point of view, the second terminal 222 includes a second fixing portion (not shown) fixed on the second insulator 221 , a second contact portion 2222 extending forward from the second fixing portion, and a second contact portion 2222 extending from the second fixing portion. The second fixing portion is bent backward and extends to the second welding portion 2223 . From a functional point of view, the second terminal 222 includes a signal terminal and a ground terminal, wherein two adjacent signal terminals and ground terminals form a group, and the second terminal 222 includes multiple groups of such signal terminals and ground terminals.

Referring to FIGS. 9 to 13 , the conductive plastic 23 is provided with a plurality of protruding ribs 231 on the upper and lower surfaces thereof, and the inner surfaces of the first insulator 211 and the second insulator 221 are respectively provided with the protruding ribs 231 and the protruding ribs 231 . The rib 231 fits into the groove 24 . In addition, the conductive plastic 23 , the first insulator 211 and the second insulator 221 are also provided with a plurality of engaging arms 25 that are engaged with each other, so as to prevent the conductive plastic 23 from retreating backward after being inserted. In the illustrated embodiment of the present invention, the conductive plastic 23 is provided with a first engaging arm 232 , and the first insulator 211 and the second insulator 221 are further provided with a second engaging arm 2112 and a second engaging arm 2112 respectively. Three engaging arms 2211 , the second engaging arm 2112 and the third engaging arm 2211 are respectively engaged with the first engaging arm 232 . It should be noted that, in the illustrated embodiment of the present invention, the conductive plastic 23 is isolated from the first terminal 212 and the second terminal 222 by a layer of plastic, and the ribs 231 of the conductive plastic 23 are not directly connected to the first terminal 212 and the second terminal 222 . The first terminal 212 or the second terminal 222 are in contact. Referring to FIG. 12 , the position of the groove 24 corresponds to the position of the ground terminal (G) in the first terminal 212 and the second terminal 222 .

When the first terminal module 2 is completely inserted into the mounting slot 151 from the rear to the front, the first locking block 2111 and the second locking block are respectively held in the first locking slot 115 and the mounting slot 151 . into the second slot 123 to prevent the first terminal module 2 from withdrawing backwards. At this time, the first contact portion 2122 and the second contact portion 2222 are respectively located in the corresponding terminal grooves 122 to protect the terminals. In addition, the first contact portion 2122 and the second contact portion 2222 extend toward each other and protrude into the slot 141 so as to be matched with the second connector 200 .

The first casing 3 is substantially frame-shaped and is sleeved on the first insulating body 1 . The first casing 3 includes an upper casing 31 covering the first top wall 11 , a lower casing 32 covering the first bottom wall 12 , and connecting the upper casing 31 and the lower casing 32 And the two side shells 33 respectively cover the two first side walls 13 , wherein the upper shell 31 covers the bumps 112 and is supported by the bumps 112 . In the embodiment of the present invention, the upper shell 31 , the lower shell 32 and the side shell 33 may be integrally formed.

The first connector 100 is provided with an empty slot 114 for guiding the second connector 200 when the second connector 200 is inserted. The hollow slot 114 is used for matching with the second connector 200 to achieve positioning when the two are plugged. Referring to FIG. 7 , in the illustrated embodiment of the present invention, the cavity 114 is jointly formed by the first insulating body 1 and the first casing 3 . Of course, in other embodiments, the cavity 114 may also be formed by the first insulating body 1 or the first casing 3 . In the illustrated embodiment of the present invention, the cavity 114 is L-shaped, and is disposed on the top surface and the side surface of the first insulating body 1 . The hollow grooves 114 are located at the left and right corners of the upper end of the first insulating body 1 , and are located outside the corresponding bumps 112 . Of course, in other embodiments, the hollow groove 114 may also be disposed on the top surface or the side surface of the first insulating body 1 . There are two empty slots 114 correspondingly disposed on the left and right sides of the first connector 100 respectively.

In addition, the upper shell 31 is provided with a locking plate 311 covering the receiving space 113 , and the locking plate 311 is provided with at least one locking hole 3111 . The top surface 34 of the upper shell 31 corresponding to the cavity 114 and the top surface 35 of the upper shell 31 corresponding to the receiving space 113 are substantially flush, and the height of the first connector 100 can be reduced by such arrangement. In addition, the receiving space 113 is vertically overlapped with the first contact portion 2122 and the second contact portion 2222 , so as to reduce the front and rear length of the first connector 100 . The upper shell 31 further includes T-shaped bent portions 3112 formed by bending downwards from two sides of the locking plate 311 , wherein the T-shaped bent portions 3112 are clamped in the corresponding notches 1121 . in order to prevent the first casing 3 from detaching from the first insulating body 1 in the X and Y directions (horizontal direction). The side shells 33 are respectively provided with tabs 331 that are snapped into the holding grooves 131 to prevent the first shell 3 from being separated from the first insulating body 1 in the Z direction (vertical direction).

Referring to FIGS. 14 to 16 , the second connector 200 includes a second insulating body 4 , a second terminal module 5 fixed on the second insulating body 4 , and a second terminal module 5 mounted on the second insulating body 4 . 4 on the locking piece 6 and the pull tab 7 connected with the locking piece 6 . The pull tab 7 is a flexible pull tape in the illustrated embodiment of the present invention.

In the illustrated embodiment of the present invention, the second insulating body 4 includes a main body portion 41 , a tongue plate 42 protruding from the main body portion 41 , and guide protrusions protruding from both sides of the main body portion 41 . A protrusion 43 and an extension portion 44 protruding from the main body portion 41 and located above the tongue plate 42 are formed. In the illustrated embodiment of the present invention, the tongue plate 42 is formed by a circuit board; the guide protrusion 43 and the extension part 44 are both integrally extended from the main body part 41; The lead protrusion 43 is L-shaped so as to be matched with the L-shaped hollow groove 114 . The top surface 431 of the guide protrusion 43 is flush with the top surface 411 of the main body portion 41 or lower than the top surface 411 of the main body portion 41 , so that the guide protrusion 43 can be aligned with the hollow groove. 114 to match. Of course, in other embodiments, the guide protrusions 43 may also be of other shapes, and may also be two different components from the main body portion 41 , but assembled together. For example, the guide protrusion 43 is a metal piece, which is fixed or insert-molded on the main body portion 41 through a slot.

In the illustrated embodiment of the present invention, the second terminal module 5 is flat and distributed on the upper and lower surfaces of the tongue plate 42 , wherein the combination of the second terminal module 5 and the tongue plate 42 It can be a circuit board with a contact piece or a gold finger (PIN), and the second terminal module 5 is electrically connected to the cable 201 . The end of the extension portion 44 is provided with a guiding slope 441 for guiding the extension portion 44 to be inserted into the receiving space 113 and guiding corners 442 located on both sides of the extension portion 44 . The L-shaped guide protrusions 43 are used to be inserted into the L-shaped hollow grooves 114 .

The extension portion 44 protrudes forward from the main body portion 41 to save space and reduce the front and rear length of the second connector 200 . In addition, the extension portion 44 has an overlapping portion with the tongue plate 42 in the vertical direction, so as to save space and reduce the front and rear length of the second connector 200 . In addition, the top surface of the second insulating body 4 is substantially flat, so as to reduce the vertical height of the second connector 200 .

The locking piece 6 is fixed on the extending portion 44 . The top surface of the locking piece 6 is substantially flush with the top surface of the main body portion 41 to reduce the height of the second connector 200 . In an embodiment of the present invention, the locking piece 6 is insert-molded on the extending portion 44 . The locking piece 6 includes a locking portion 64 protruding upward. When the second connector 200 is mated with the first connector 100, the extending portion 44 is inserted into the receiving space 113; at this time, the locking portion 64 is locked in the locking hole 3111 to prevent the second connector 200 from loosening with the first connector 100 .

In the illustrated embodiment of the present invention, the locking piece 6 is made of a metal sheet to increase the structural strength and reduce the overall height of the second connector 200 . Referring to FIG. 15 , in the illustrated embodiment of the present invention, the locking sheet 6 includes an upper sheet 61 and a lower sheet 62 , wherein the upper sheet 61 is provided with an upper through hole 611 and is located on the upper sheet 61 . The first guide surface 612 at the rear end of the through hole 611 is an inclined surface inclined to the lower plate 62; The second guide surface 622 on the side and the two holding parts 623 on both sides; in the illustrated embodiment of the present invention, the lower plate 62 is provided with a raised part 63, and the second guide surface 622 is located on the raised portion 63 . A guide groove 624 for guiding the pull tab 7 is formed between the two holding portions 623 .

The pull tab 7 is provided with a hook portion 71 passing through the upper through hole 611 and the lower through hole 621 . The upper through hole 611 and the lower through hole 621 at least partially overlap in the vertical direction, so as to increase the pulling force of the pull tab 7 . Referring to FIG. 5 and FIG. 17 , when the locking portion 64 is locked with the locking hole 3111 (ie, the locking portion 64 is in the state before unlocking), the upper plate 61 and the lower plate The pieces 62 are substantially parallel to each other, and the locking portion 64 is at a high position at this time, so that the locking portion 64 can be locked with the locking hole 3111 .

Referring to FIG. 18 , when the pull-tab 7 is pulled horizontally backward along the arrow direction, the hook portion 71 and the first guide surface 612 cooperate with each other to produce a downward split in the vertical direction. force, so that the upper plate 61 is inclined downward along the arrow, and the position of the locking portion 64 is lowered at this time, so as to unlock the locking portion 64 and the locking hole 3111, that is, by applying a horizontal The pulling force can pull the second connector 200 out of the first connector 100 .

It should be noted that the terms starting with "first", "second" and "third" used in the present invention are only used to distinguish the names of elements, and have no logical meaning.

The above embodiments are only used to illustrate the present utility model rather than limit the technical solutions described in the present utility model. The understanding of this specification should be based on those skilled in the art. , "right", "up", "down" and other directional descriptions, although this specification has described the present invention in detail with reference to the above-mentioned embodiments, those of ordinary skill in the art should understand that the technical field Those skilled in the art can still modify or equivalently replace the present utility model, and all technical solutions and improvements that do not depart from the spirit and scope of the present utility model should be included within the scope of the claims of the present utility model.

Claims (11)

1. A first connector (100) comprising a first insulating body (1), a first terminal module (2) and a first housing (3) shielded on the first insulating body (1) ), characterized in that: the first connector (100) is provided with an empty slot (114) for guiding the second connector (200) when the second connector (200) is inserted, wherein the empty slot (114) is two and correspondingly set. 2. The first connector (100) according to claim 1, characterized in that: the cavity (114) is formed by the first insulating body (1); or the cavity (114) is formed by the first shell (3); or The cavity (114) is jointly formed by the first insulating body (1) and the first casing (3). 3. The first connector (100) according to claim 1, wherein the hollow groove (114) is located at the left and right corners of the upper end of the first insulating body (1), and the hollow groove (114) ) is arranged on the top surface or side surface of the first insulating body (1). 4. The first connector (100) according to claim 1, wherein the hollow groove (114) is located at the left and right corners of the upper end of the first insulating body (1), and the hollow groove (114) ) is L-shaped and arranged on the top surface and the side surface of the first insulating body (1). 5. The first connector (100) according to claim 1, wherein the first insulating body (1) comprises a first top wall (11), and the first top wall (11) is provided with Two bumps (112) close to both sides and a receiving space (113) located between the two bumps (112); the first casing (3) includes a cover on the first top wall ( 11) on the upper shell (31), the upper shell (31) includes a locking plate (311), and the receiving space (113) is located between the first top wall (11) and the locking plate (311) ), the locking plate (311) is provided with at least one locking hole (3111) for locking with the second connector (200). 6. The first connector (100) according to claim 5, wherein the upper shell (31) corresponds to the top surface (34) of the cavity (114) and the upper shell (31) ) is substantially flush with the top surface (35) of the receiving space (113). 7. The first connector (100) according to claim 5, wherein the protrusion (112) is located between the receiving space (113) and the cavity (114), and the upper A shell (31) covers and is supported by the bumps (112). 8. A second connector (200) comprising a second insulating body (4) and a second terminal module (5), the second insulating body (4) comprising a main body (41) and a The guiding protrusions (43) protruding from both sides of the main body part (41) are characterized in that: the top surface (431) of the guiding protrusion (43) and the top surface (431) of the main body part (41) 411) is flush with or lower than the top surface (411) of the main body part (41), and the guide protrusion (43) is used to be inserted into the empty groove (114) of the first connector (100). 9 . The second connector ( 200 ) according to claim 8 , wherein the second insulating body ( 4 ) comprises a tongue plate ( 42 ) protruding from the main body portion ( 41 ) and a protrusion The main body part (41) and the extension part (44) located above the tongue plate (42), the extension part (44) has an overlapping part with the tongue plate (42) in the vertical direction. 10. The second connector (200) according to claim 8, characterized in that: the guide protrusion (43) is L-shaped; the guide protrusion (43) extends from the main body portion (41) ) integrally extended or the guide protrusion (43) and the main body (41) are two different parts assembled together. 11. A connector assembly, characterized by comprising the first connector (100) according to any one of claims 1 to 7 and the first connector (100) according to any one of claims 8 to 10 Two connectors (200), wherein the first connector (100) is mated with the second connector (200).

Images