CN110676638A - Plug-replaceable connector - Google Patents

Abstract

An interchangeable plug connector, comprising: a plug end assembly and a wire end assembly, one end of the plug end assembly is electrically connected to a device interface, one end of the wire end assembly is electrically connected to the wire; the other end of the plug end assembly is electrically connected to the wire The other ends of the end components cooperate with each other to realize pluggable electrical connection. The present invention relates to an interchangeable plug connector, wherein the plug end assembly and the wire end assembly are plug-in electrical connection, which shortens the overall length, improves durability, and is easy to use; the plug end assembly and the overall shell are detachable , it is convenient to replace plugs of different specifications to be suitable for different equipment interfaces; the plug end component electrically connects the plug to the first connection end through the PCB board, which improves the stability of the connection and facilitates plugging and unplugging without affecting the electrical connection effect. , while further shortening the overall length.

Description

Interchangeable plug connector

technical field

The invention belongs to the technical field of connectors, and more particularly, relates to an interchangeable plug connector.

Background technique

With the popularization and promotion of smart devices such as mobile computer live broadcast equipment, headphones or microphones are used as accessories, and the technical requirements are also getting higher and higher. Especially the plug-type audio connector, because of the high frequency of daily use, and the length is too long, it is easy to be damaged, and the use experience is affected, and the external connection structure, large size, uncoordinated proportions, and overall unattractive appearance can be seen. And with the development of equipment research and development technology, the interfaces of different equipment players are different, and it is difficult for ordinary plug-type audio connectors to adapt to different interfaces.

Therefore, there is a need to develop an interchangeable plug-type audio connector with a short length and a long service life, which can be adapted to different interfaces.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an interchangeable plug-type connector, which can be applied to different interfaces, and has a short length and a long service life.

In order to achieve the above purpose, the present invention provides an interchangeable plug connector, comprising:

The plug end assembly and the wire end assembly, one end of the plug end assembly is electrically connected to the device interface, and one end of the wire end assembly is electrically connected to the wire;

The other end of the plug end assembly and the other end of the wire end assembly cooperate with each other to realize pluggable electrical connection.

Preferably, the plug end assembly includes:

a plug end housing and a plug, a PCB board and a first connection end that are electrically connected in sequence in the plug end housing;

One end of the plug protrudes out of the plug housing, and is used for plugging in a device interface.

Preferably, the wire assembly includes:

A second connection end, one end of the second connection end is matched and connected with the first connection end, and the other end is electrically connected with the wire.

Preferably, an integral housing is also included, and the plug end assembly and the wire end assembly are both arranged in the integral housing.

Preferably, one end of the integral casing is provided with an internal thread, and the other end is provided with a wire through hole;

The plug end housing is provided with an external thread, the plug end housing is inserted into the integral housing, and is threadedly connected with the integral housing.

Preferably, the second connection end and the first connection end are connected in a plug-in manner in which a plug-in pin and a plug-in port are matched.

Preferably, the first connection end is provided with a plurality of plug ports; the second connection end is provided with a plurality of plug pins, and each of the plug pins is plugged into one plug port.

Preferably, each of the sockets is provided with a female pin, the plug and the female pin are electrically connected to two ends of the PCB board respectively, and each of the socket pins is electrically connected to one the female needle.

Preferably, the plug housing is integrally formed on the outer surface of the plug, the PCB board and the first connection end by extrusion.

Preferably, it also includes a wire rod end housing, the wire rod end housing is provided with a wire rod hole, and the second connection end is arranged in the wire rod end housing;

The wire is electrically connected to the second connection end through the wire through hole and the wire hole in sequence.

Preferably, a gasket is also included, and the gasket is provided between the wire through-hole end of the integral casing and the wire end casing.

Preferably, the second connecting end is provided with an external thread, one end of the wire end housing is provided with an internal thread, the second connecting end is inserted into the wire end housing, and is threaded with the wire end housing connect.

Preferably, a positioning hole and a positioning pin are respectively provided on the first connecting end and the second connecting end, and the positioning pin can be inserted into the positioning hole.

Preferably, the size of the plug is 3.5mmTRS, 2.5mmTRRS or 4.4mmTRRRS.

Preferably, the number of the plug pins is 2-8.

Preferably, the connector is an audio connector.

The present invention relates to a replaceable plug connector, which has the beneficial effects that: the plug end assembly and the wire end assembly are plug-in electrical connection, which shortens the overall length, improves durability, and is convenient to use; the plug end assembly It is detachable from the overall shell, which is convenient for replacing plugs of different specifications to be suitable for different equipment interfaces; the plug end assembly electrically connects the plug to the first connection end through the PCB board, which improves the stability of the connection and facilitates plugging and unplugging without It affects the effect of electrical connection and can further shorten the overall length.

Other features and advantages of the present invention will be described in detail in the detailed description that follows.

Description of drawings

The above and other objects, features and advantages of the present invention will become more apparent from the more detailed description of the exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the exemplary embodiments of the present invention. same parts.

FIG. 1 shows an exploded schematic diagram of an angle of the interchangeable plug connector according to an exemplary embodiment of the present invention;

FIG. 2 shows a schematic exploded structure diagram of another angle of the interchangeable plug connector according to an exemplary embodiment of the present invention;

FIG. 3 shows a schematic structural diagram of a second connection end in an interchangeable plug connector according to an exemplary embodiment of the present invention;

Description of reference numbers:

1. Plug, 2. PCB board, 3. First connection end, 4. Plug shell, 5. Second connection end, 6. Wire end shell, 7. Overall shell, 8. Plug pin, 9. Female pin, 10. Washer, 11. Positioning pin.

Detailed ways

Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art.

In order to solve the problems existing in the prior art, the present invention provides a replaceable plug connector, including:

The plug end assembly and the wire end assembly, one end of the plug end assembly is electrically connected to the device interface, and one end of the wire end assembly is electrically connected to the wire;

The other end of the plug end assembly and the other end of the wire end assembly cooperate with each other to realize pluggable electrical connection.

In the interchangeable plug connector of the present invention, the plug end assembly and the wire end assembly are pluggable and electrically connected, so that the overall length is shortened, the durability is improved, and the use is convenient.

Preferably, the plug end assembly includes:

the plug end shell and the plug, the PCB board and the first connection end which are electrically connected in sequence in the plug end shell by welding;

One end of the plug protrudes out of the plug shell and is used to plug the device interface.

The plug end assembly electrically connects the plug with the first connection end through the PCB board, which improves the stability of the connection, facilitates insertion and removal without affecting the electrical connection effect, and can further shorten the overall length.

Preferably, the connection end of the plug and the PCB board is a flat mouth, which is convenient for welding and can reduce the length of the connection.

Preferably, the plug shell is made of brass, and the main body of the first connection end is made of plastic.

Preferably, the plug housing is integrally formed on the outer surface of the plug, the PCB board and the first connection end by extrusion. One end of the plug protrudes out of the plug shell, and the other end is located in the plug shell and is electrically connected to the PCB board by welding. The plug shell is fastened to the outside of the welded plug, the PCB board and the first connection end, which is convenient for plugging and unplugging without affecting the Electrical connection effect.

Preferably, the wire assembly includes:

The second connection end, one end of the second connection end is matched and connected with the first connection end, and the other end is electrically connected with the wire.

Preferably, the material of the main body of the second connecting end is plastic.

Preferably, an integral housing is also included, and both the plug end assembly and the wire end assembly are arranged in the integral housing. The overall casing is used to protect the connection structure of the plug end assembly and the wire end assembly, so as to avoid affecting the electrical connection effect of plugging and unplugging.

Preferably, one end of the integral casing is provided with an internal thread, and the other end is provided with a wire through hole;

The plug end casing is provided with an external thread, the plug end casing is inserted into the overall casing, and is threadedly connected with the overall casing. The plug end assembly and the overall casing connected by the screw can be disassembled, which is convenient for plugging and replacing plugs of different specifications, so as to be suitable for different equipment interfaces. The external thread of the plug shell is set at one end close to the plug. When the plug shell is inserted into the overall shell, the plug shell and a part of the plug, the PCB board and the first connection end in the plug shell are all located in the overall shell.

Preferably, the material of the overall housing is brass or plastic.

Preferably, the second connection end and the first connection end are connected in a plug-in manner in which the plug-in pins and the plug-in ports are matched, so as to facilitate plugging and unplugging and replacing different plugs. When the plug end assembly is plugged with the wire end assembly, the plug pin and the plug port cooperate with each other, and connect the overall shell with the plug shell, so that the plug end assembly can be reliably inserted into the wire end assembly in the overall shell.

Preferably, the first connection end is provided with a plurality of plug ports; the second connection end is provided with a plurality of plug pins, and each plug pin is plugged into a plug port.

Preferably, the number of plug pins is 2-8.

Preferably, each socket is provided with a female pin, the plug and the female pin are respectively electrically connected to both ends of the PCB board by welding, and each insertion pin is electrically connected to a female pin.

Preferably, both the female pins and the plug pins are made of phosphor bronze.

Preferably, the second connection end is provided with a plurality of pin holes, each plug pin passes through one pin hole, one end of each plug pin is used for plugging into the female pin, and the other end is used for connecting wires. The second connecting end is provided with an isolation block for separating the other end of the plug pin; the cross section of the other end of the plug pin is arc-shaped, which is convenient for guiding the wire and fixing the welding place between the wire and the plug.

The plug and the female pin are electrically connected through the PCB board, and then the plug pin is electrically connected. Compared with the existing plug-type connector using the welding wire method, the overall length can be reduced by 8-15mm, making the connector more flexible. Durable and more convenient to use.

Preferably, it also includes a wire end casing, the wire end casing is provided with a wire hole, and the second connection end is arranged in the wire end casing; the wire is electrically connected to the second connection end through the wire through hole and the wire hole in sequence.

Preferably, the material of the wire end housing is brass or plastic.

Preferably, the second connecting end is provided with an external thread, one end of the wire end housing is provided with an internal thread, and the second connecting end is inserted into the wire end housing and is threadedly connected to the wire end housing.

The second connection end is connected to the inside of the wire end housing by means of threads, and the connected wire end assembly is electrically connected to the wire and is rotatably connected to the overall housing. When the plug end assembly is inserted into the wire end assembly, the second connection end After the plug-in pin is inserted into the female pin in the plug-in port on the first connection end, the integral casing and the plug casing are then tightened, so that the plug-end assembly is firmly connected to the integral casing, so as to ensure the stable plug-in effect and improve the efficiency of the plug-in connection. The strength of the connection, without the use of thread locks or self-locking buckles, small size, beautiful and durable. When the plug needs to be inserted into a different device interface, the plug casing is separated from the overall casing, and the first connection end is pulled out, so that the plug of different specifications can be replaced.

Preferably, a gasket is also included, and the gasket is arranged between the wire hole end of the integral casing and the wire end casing.

Preferably, the material of the gasket is rubber, and the gasket is used to press the connection between the second connection end and the first connection end when the plug end assembly is inserted into the wire end assembly, so that the insertion effect is better, and the wire end Cushion between the shell and the overall shell to avoid wear caused by direct contact.

Preferably, a positioning hole and a positioning pin are respectively provided on the first connecting end and the second connecting end, and the positioning pin can be inserted into the positioning hole. The positioning hole cooperates with the positioning pin to guide the insertion direction and improve the assembly efficiency.

Preferably, the positioning hole is provided at the first connection end, and the positioning pin is provided at the second connection end.

Preferably, the size of the plug is 3.5mmTRS, 2.5mmTRRS or 4.4mmTRRRS. When it is necessary to replace a different type of plug, the plug end assembly can be unscrewed from the overall housing.

Preferably, the connector is an audio connector, which is applied to devices such as earphones and microphones.

Example 1

As shown in FIGS. 1 to 3 , the present invention provides an audio connector with a replaceable plug 1, including:

The plug end assembly and the wire end assembly, one end of the plug end assembly is electrically connected to the device interface, and one end of the wire end assembly is electrically connected to the wire;

The other end of the plug end assembly and the other end of the wire end assembly cooperate with each other to realize pluggable electrical connection.

In this embodiment, the plug end assembly includes:

Plug 1 end shell and plug 1, PCB board 2 and first connection end 3 which are electrically connected in sequence in the plug 1 end shell by welding;

The connection end of the plug 1 and the PCB board 2 is a flat port. The material of the plug shell 4 is brass, and the material of the first connecting end 3 is plastic.

The plug housing 4 is integrally formed on the outer surfaces of the plug 1 , the PCB board 2 and the first connecting end 3 by extrusion. One end of the plug 1 protrudes out of the plug housing 4, and the other end is located in the plug housing 4 and is electrically connected to the PCB board 2 by welding, and the plug housing 4 is fastened to the welded plug 1, the PCB board 2 and the first connection end 3. external.

In this embodiment, the wire assembly includes a second connection end 5 , one end of the second connection end 5 is connected to the first connection end 3 in a mating manner, and the other end is electrically connected to the wire. The material of the second connecting end 5 is plastic.

It also includes an integral casing 7, and the plug end assembly and the wire end assembly are both arranged in the integral casing 7.

One end of the integral casing 7 is provided with an internal thread, and the other end is provided with a wire through hole; The external thread of the plug housing 4 is set at one end close to the plug 1. When the plug housing 4 is inserted into the overall housing 7, the plug housing 4 and a part of the plug 1, the PCB board 2 and the first connection end 3 in the plug housing 4 are all located at the end of the plug housing 4. Inside the overall housing 7 . The material of the overall housing 7 is brass.

The second connection end 5 is connected to the first connection end 3 through a plug connection in which the plug pins 8 are matched with the plug ports. When the plug end assembly and the wire end assembly are plugged in, the plug pin 8 and the plug port cooperate with each other, and connect the overall shell 7 with the plug shell 4, so that the plug end assembly can be reliably inserted into the wire rod in the overall shell 7 end components.

The first connection end 3 is provided with a plurality of plug ports; the second connection end 5 is provided with a plurality of plug pins 8 , and each plug pin 8 is plugged into a plug port.

In this embodiment, the number of the plug pins 8 is four.

Each socket is provided with a female pin 9 , the plug 1 and the female pin 9 are respectively electrically connected to two ends of the PCB board 2 by soldering, and each plug pin 8 is electrically connected to a female pin 9 . The material of the female pin 9 and the plug pin 8 is phosphor bronze.

The second connection end 5 is provided with a plurality of pin holes, each plug pin 8 passes through one pin hole, one end of each plug pin 8 is used for plugging into the female pin 9, and the other end is used for connecting wires. The second connecting end 5 is provided with an isolation block for separating the other end of the plug-in pin 8; the cross-section of the other end of the plug-in pin 8 is arc-shaped, which is convenient for guiding the wire and fixing the wire and the plug-in 8 of welding.

In this embodiment, it also includes a wire end casing 6, the wire end casing 6 is provided with a wire hole, and the second connection end 5 is arranged in the wire end casing 6; the wire passes through the wire through hole and the wire hole in turn and is electrically connected to The second connection end 5 . The material of the wire end housing 6 is brass.

The second connecting end 5 is provided with an external thread, and one end of the wire end housing 6 is provided with an internal thread.

The second connection end 5 is connected to the inside of the wire end housing 6 by screwing, and the connected wire end assembly is electrically connected to the wire and is rotatably connected to the overall housing 7. When the plug end assembly is inserted into the wire end assembly, the second connection After the plug pin 8 on the end 5 is inserted into the female pin 9 in the plug port on the first connection end 3, the integral casing 7 and the plug casing 4 are then tightened, so that the plug end assembly is stably connected to the integral casing 7. . When the plug 1 needs to be plugged into a different device interface, the plug housing 4 is detached from the overall housing 7 and the first connection end 3 is pulled out to replace the plug 1 with different specifications.

In this embodiment, a gasket 10 is also included, and the gasket 10 is arranged between the wire hole end of the integral casing 7 and the wire end casing 6 . The material of the gasket 10 is rubber.

The first connection end 3 and the second connection end 5 are respectively provided with a positioning hole and a positioning pin 11 , and the positioning pin 11 can be inserted into the positioning hole. The positioning hole is arranged on the first connecting end 3 , and the positioning pin 11 is arranged on the second connecting end 5 .

The specification of plug 1 is 3.5mmTRS. The connector is an audio connector.

Various embodiments of the present invention have been described above, and the foregoing descriptions are exemplary, not exhaustive, and not limiting of the disclosed embodiments. Numerous modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (16)

1. A replaceable plug connector, comprising:

the plug end component and the wire end component are arranged, one end of the plug end component is electrically connected with the equipment interface, and one end of the wire end component is electrically connected with the wire;

the other end of the plug end component and the other end of the wire end component are mutually matched to realize pluggable electrical connection.

2. The interchangeable plug connector of claim 1, wherein the plug end assembly comprises:

the plug comprises a plug end shell (4), and a plug (1), a PCB (2) and a first connecting end (3) which are arranged in the plug end shell (4) and are electrically connected in sequence;

one end of the plug (1) extends out of the plug shell (4) and is used for plugging an equipment interface.

3. The interchangeable plug connector of claim 2, wherein the wire assembly comprises:

and one end of the second connecting end (5) is matched and connected with the first connecting end (3), and the other end of the second connecting end is electrically connected with the wire.

4. A replaceable plug connector according to claim 3, further comprising an integral housing (7), the plug end assembly and the wire end assembly each being provided within the integral housing (7).

5. A replaceable plug connector according to claim 4, characterised in that the one end of the one-piece housing (7) is provided with an internal thread and the other end with a wire through-hole;

the plug end shell (4) is provided with external threads, and the plug end shell (4) is inserted in the integral shell (7) and is in threaded connection with the integral shell (7).

6. A replaceable plug connector according to claim 3, characterised in that the second connection end (5) is connected to the first connection end (3) by means of a plug-in connection in which a plug-in pin and a plug-in opening cooperate.

7. A replaceable plug connector according to claim 6, characterised in that the first connection end (3) is provided with a plurality of plug ports; the second connecting end (5) is provided with a plurality of inserting needles (8), and each inserting needle (8) is inserted into one inserting port.

8. A replaceable plug connector according to claim 7, wherein a female pin (9) is provided in each of the sockets, the plug (1) and the female pin (9) are electrically connected to two ends of the PCB (2), respectively, and each of the plug pins (8) is electrically connected to one of the female pins (9).

9. A replaceable plug connector according to claim 2, characterised in that the plug housing (4) is integrally formed by extrusion on the outer surfaces of the plug (1), the PCB board (2) and the first connection end (3).

10. A replaceable plug connector according to claim 5, further comprising a wire end housing (6), the wire end housing (6) being provided with a wire hole, the second connection end (5) being arranged within the wire end housing (6);

the wire rod penetrates through the wire rod through hole and the wire rod hole in sequence and is electrically connected to the second connecting end (5).

11. A replaceable plug connector according to claim 10, further comprising a grommet (10), the grommet (10) being provided between the wire through-hole end of the unitary housing (7) and the wire end housing (6).

12. A replaceable plug connector according to claim 10, characterised in that the second connecting end (5) is provided with an external thread, that one end of the wire end housing (6) is provided with an internal thread, and that the second connecting end (5) is plugged into the wire end housing (6) and is in threaded connection with the wire end housing (6).

13. A replaceable plug connector according to claim 3, characterised in that the first connection end (3) and the second connection end (5) are provided with a positioning hole and a positioning pin (11), respectively, and the positioning pin (11) can be inserted into the positioning hole.

14. A replaceable plug connector according to claim 2, characterised in that the specification of the plug (1) is 3.5mm trs, 2.5mm trs or 4.4mm trrrs.

15. The interchangeable plug connector according to claim 7, characterized in that the number of plug pins (8) is 2 to 8.

16. A replaceable plug connector according to any one of claims 1 to 15, in which the connector is an audio connector.

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