CN105437134A - Quick release socket tool - Google Patents

Abstract

A quick-release coupling tool is provided, which can be used for mounting and dismounting a screwdriver head, and comprises a rod body, a linkage device and a buckling device. The rod body comprises a slotted hole with a port, a buckling hole penetrating through the slotted hole outwards, and a long groove hole far away from the port. The linkage device comprises a guide pin penetrating through the long groove hole and a first elastic piece capable of pushing the guide pin to be adjacent to the port. The buckling device comprises a restraining ring which is sleeved outside the rod body and is provided with an inner annular groove, a second elastic piece which enables the restraining ring to be propped against the guide pin, and a positioning bead which is contained in the buckling hole. The fastening device can move between a fastening position and a releasing position, and when the fastening position is reached, the screwdriver head is fastened by the positioning bead and fixed in the slotted hole. When the screwdriver head is at the releasing position, the screwdriver head can slide and disengage along the axial direction of the rod body. The structure not only enables the quick-release sleeving tool to smoothly slide, but also has better positioning performance.

Description

Quick release socket tool

technical field

The invention relates to a socket tool, in particular to a quick-release socket tool.

Background technique

As shown in FIG. 1 , the existing sleeve device for installing and removing a head 10 includes a rod body 11 including a slot 111 and an opening 112 , and a tie ring 12 sleeved outside the rod body 11 . , a sliding piece 13 accommodated in the slot 111, a spring 14 against the sliding piece 13, a positioning bead 15 set corresponding to the screwdriver head 10, and a buckle set corresponding to the sliding piece 13 beads16.

When the operator wants to pull out the screwdriver bit 10, the clamp ring 12 needs to be pushed out along the axial direction of the rod body 11, and the positioning bead 15 and the fastening bead 16 can be kept away from the screwdriver bit 10 and the screwdriver bit 10 respectively. At this time, the sliding member 13 can be pushed against the sliding member 13 by the elastic force of the spring 14, and the bit 10 of the screwdriver can come out outward (as shown in FIG. 2 ). However, after such a design is used for a long time, if the fastening bead 16 is worn out, the sliding member 13 cannot be smoothly limited and loosened. In addition, the socket device only installs the fastening bead 16 on one side, which will also cause the sliding member 13 to generate lateral force when moving and cannot slide smoothly.

Contents of the invention

The purpose of the present invention is to provide a quick release sleeve tool that can slide smoothly and has better positioning.

The quick release socket tool of the present invention can be used for installing and removing a head, and includes a rod body, a linkage device, and a fastening device.

The rod body includes a slotted hole arranged in the axial direction and having a port, a fastening hole arranged adjacent to the port and penetrating outward from the slotted hole, and a long groove away from the port, and the long groove passes through the The slot has a proximal end adjacent to the port and a distal end away from the port.

The interlocking device includes a guide pin passing through the long groove and having two opposite ends protruding from the rod body, and a first elastic member capable of resisting the guide pin adjacent to the port.

The snap-fit device includes a tie ring that is slidably sleeved on the outside of the rod and has a radially recessed inner ring groove, and a belt that enables the tie ring to abut against the guide pin backwards and has an elastic force smaller than that of the first elastic member. The second elastic piece and a positioning bead accommodated in the fastening hole.

The fastening device can move between a fastening position and a release position. In the fastening position, the tie ring passes through the second elastic member so that the inner ring groove and the fastening hole are staggered, so that The positioning bead protrudes inwardly in the slot hole due to the radial pressure of the beam ring. At this time, the screwdriver head is fixed in the slot hole by the buckle of the positioning bead, and at the same time, the guide pin is limited. Located at the far end of the elongated groove, when in the release position, the tie ring makes the inner ring groove adjacent to the corresponding fastening hole through an external force, and makes the positioning bead retreat to the inner ring groove. At this time, the The screwdriver head can slide away along the axial direction of the rod body, and the guide pin pushes against the proximal end of the long groove hole through the first elastic member, so that the inner ring groove is always adjacent to the corresponding fastening hole.

According to the quick release socket tool of the present invention, the slot hole has a slot section adjacent to the port and capable of inserting the bit of the screwdriver, and a guide slot section far away from the port and capable of accommodating the first elastic member .

According to the quick release socket tool of the present invention, the interlocking device further includes a sliding piece accommodated in the guide groove section, the sliding piece can be provided through by the guide pin, and one end of the sliding piece abuts against the first elastic piece.

According to the quick release socket tool of the present invention, the sliding member has a front end adjacent to the port, a rear end away from the port, and a limiter located between the front end and the rear end and capable of allowing the guide pin to pass through. Position slot, the slider can slide relative to the guide pin through the position limiting slot.

According to the quick release sleeve tool of the present invention, the sliding part has a front end adjacent to the port, and the linkage device further includes a magnet embedded in the front end.

According to the quick release sleeve tool of the present invention, the sliding member has a rear end far away from the port, and a spring groove recessed in the rear end and capable of positioning and accommodating the first elastic member.

According to the quick-release sleeve tool of the present invention, the rod body further includes a front side edge arranged adjacent to the port, and the restraint ring also has a front blocking edge arranged corresponding to the front side edge, and the second elastic member is arranged along the front side edge of the rod body. The axial thrust is between the front side edge of the rod body and the front retaining edge of the beam ring.

According to the quick release sleeve tool of the present invention, the clamping ring is composed of a metal part corresponding to the guide pin and a gripping part sleeved on the outside of the metal part. The inner ring groove and the front retaining edge formed on the metal part.

According to the quick-release sleeve tool of the present invention, the fastening hole gradually expands outward from the slot along the radial direction of the rod body.

The beneficial effect of the present invention is that: by setting the guide pin penetrating through the rod body, in addition to having a better supporting effect when fixing the screwdriver head, the smoothness and structure of the buckling device when changing positions can also be improved stability.

Description of drawings

Figure 1 is a schematic diagram illustrating an existing socket arrangement;

Fig. 2 is a schematic diagram illustrating the existing socket device;

Fig. 3 is a three-dimensional combined view, illustrating an embodiment of the quick-release sleeve tool of the present invention;

Fig. 4 is a sectional view illustrating the positional relationship of this embodiment when it is in a fastening position;

Figure 5 is a sectional view illustrating the embodiment;

Fig. 6 is a sectional view illustrating the positional relationship of this embodiment when it is in a release position;

Fig. 7 is a sectional view illustrating this embodiment.

detailed description

The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

As shown in FIGS. 3 and 4 , the embodiment of the quick release socket tool of the present invention can be used for installing and dismounting a sub head 2 , and includes a rod body 3 , an interlocking device 4 , and a fastening device 5 .

The rod body 3 includes a slotted hole 31 arranged axially and having a port 311, a fastening hole 32 adjacent to the port 311, a slotted hole 33 away from the port 311, and a slotted hole 33 adjacent to the port 311 and along the The front side edge 34 of the rod body 3 extends radially outward.

In this embodiment, the slot hole 31 also has a slot section 312 adjacent to the port 311 and capable of inserting the screwdriver bit 2 , and a guide slot section 313 away from the port 311 . The cross-sectional shape of the slot section 312 corresponds to the shape of the screwdriver bit 2 , preferably, it is a regular polygon.

In this embodiment, the fastening hole 32 extends through the slot hole 31 in a conical shape outwardly along the radial direction of the rod body 3 . But the fastening hole 32 can also be a stepped countersunk hole (not shown in the figure), but it should not be limited thereto.

The slot 33 passes through the guide section 313 of the slot 31 along the radial direction of the shaft 3 , and has a proximal end 331 adjacent to the port 311 and a distal end 332 away from the port 311 .

The interlocking device 4 includes a guide pin 41 penetrating in the long groove 33 and protruding from the rod body 3 at two opposite ends, a guide pin 41 accommodated in the guide groove segment 313 and capable of pushing the guide pin 41 adjacent to the The first elastic member 42 of the port 311 , a sliding member 43 accommodated in the guide groove section 313 , and a magnet 44 corresponding to the bit 2 of the screwdriver.

The sliding member 43 can be set through by the guide pin 41, and has a front end 431 adjacent to the port 311 and capable of supporting the bit 2 of the screwdriver, and a front end 431 away from the port 311 and capable of abutting against the first elastic member. The rear end 432 of 42, a limiting groove 433 located between the front end 431 and the rear end 432 and capable of allowing the guide pin 41 to pass through, and a recessed recess at the rear end 432 for the first elastic member 42 positioning accommodates the spring groove 434. The sliding member 43 can slide relative to the guide pin 41 through the limiting groove 433 .

The magnet 44 is embedded in the front end 431 of the sliding member 43 and can be used for magnetically attracting the screwdriver bit 2 .

It should be noted that the linkage device 4 can also not be provided with the slider 43 and the magnet 44. At this time, the first elastic member 42 and the screwdriver head 2 can directly lean against the guide pin 41 (not shown in the figure). Show).

The fastening device 5 includes a clamping ring 51 slidingly sleeved on the outside of the rod body 3 , and a second elastic member capable of making the clamping ring 51 abut against the guide pin 41 backwards and having an elastic force smaller than that of the first elastic member 42 52, and a positioning bead 53 accommodated in the fastening hole 32 of the rod body 3.

In this embodiment, the clamp ring 51 is composed of a metal part 511 corresponding to the guide pin 41, and a holding part 514 sleeved on the outside of the metal part 511 and made of high molecular polymer. In this way, in addition to achieving excellent structural rigidity, thereby improving durability, it can also have a good and comfortable non-slip operation feel. However, the two can also be integrally formed of the same material, but it should not be limited thereto. The collar 51 also has an inner ring groove 512 formed on the metal portion 511 and radially recessed, and a front stop edge 513 formed on the metal portion 511 and corresponding to the front side edge 34 of the rod body 3 . The second elastic member 52 pushes between the front side edge 34 of the rod body 3 and the front blocking edge 513 of the tie ring 51 along the axial direction of the rod body 3 .

As shown in FIGS. 4 to 6 , the fastening device 5 can move between a fastening position (as shown in FIG. 4 ) and a release position (as shown in FIG. 6 ).

When in the fastening position, the clamping ring 51 keeps the inner ring groove 512 and the fastening hole 32 staggered by the second elastic member 52, so that the positioning bead 53 is radially pressed by the clamping ring 51 At this time, the screwdriver bit 2 is fixed in the slot section 312 of the slot 31 by the buckle of the positioning bead 53, and can push against the sliding member 43 at the same time. , so that it is received in the guide groove section 313 of the slot hole 31 , and thereby the guide pin 41 is limited to the distal end 332 of the long groove hole 33 .

After use, the user can hold the rod body 3 with one hand and provide an external force to push the ring 51 to move toward the port 311 (as shown in FIG. 5 ), and let the inner portion of the ring 51 The ring groove 512 is adjacent to the fastening hole 32 , so that the positioning bead 53 can retract into the inner ring groove 512 . At the same time, the screwdriver bit 2 disappears due to the binding force exerted by the positioning bead 53, so that the elastic force of the first elastic member 42 is released, thereby pushing the sliding member 43 to move toward the direction of the slot section 312, and Let the screwdriver head 2 protrude outward along the axial direction of the rod body 3 to facilitate subsequent extraction. The guide pin 41 is also pushed against the proximal end 331 of the elongated groove 33 (as shown in FIG. 6 ) due to the elastic force of the first elastic member 42, and because the elastic force of the first elastic member 42 is greater than that of the second elastic 52, so that after the user releases one hand, the inner ring groove 512 is always adjacent to the corresponding fastening hole 32, and the fastening device 5 is always at the release position.

When the user wants to reinsert the screwdriver bit 2, as shown in FIG. 7, the screwdriver bit 2 can be pushed into the slot section 312 along the axial direction of the rod body 3, and the sliding member 43 will be pushed at this time. Move toward the direction of the guide groove section 313, and after the side of the limiting groove 433 adjacent to the front end 431 touches the guide pin 41, simultaneously resist and push the guide pin 41 to move to the distal end 332 of the elongated groove 33 , so that the loop 51 of the fastening device 5 can be reset to the fastening position shown in FIG. 4 through the second elastic member 52 .

To sum up, by setting the guide pin 41, when fixing the screwdriver head 2, the two opposite ends of the guide pin 41 can be used to abut against the distal end 332 of the elongated groove 33 to achieve a better balance. Supporting effect, in addition, compared with the existing sleeve device, the guide pin 41 of this embodiment is penetrated in the long groove hole 33, so the sliding part 43 will not generate a lateral thrust that is not good for sliding, In this way, the smoothness and structural stability of the fastening device 5 during position change can be improved, so the purpose of the present invention can be truly achieved.

Claims (9)

1. A quick-release socket tool, which can be used for the installation and removal of a head; it is characterized in that: This quick release socket kit contains: A rod body, comprising a slotted hole arranged axially and having a port, a fastening hole arranged adjacent to the port and penetrating outward from the slotted hole, and a long slot away from the port, the slotted hole passing through the slot and has a proximal end adjacent to the port and a distal end remote from the port; a linking device, including a guide pin passing through the elongated slot and having two opposite ends protruding from the rod body, and a first elastic member capable of resisting the guide pin adjacent to the port; and A fastening device, comprising a tie ring slidingly sleeved on the outside of the rod and having a radially recessed inner ring groove, and a tie ring capable of pushing the tie ring back against the guide pin and having an elastic force smaller than that of the first elastic member the second elastic member, and a positioning bead accommodated in the fastening hole; The fastening device can move between a fastening position and a release position. In the fastening position, the tie ring passes through the second elastic member so that the inner ring groove and the fastening hole are staggered, so that The positioning bead protrudes inwardly in the slot hole due to the radial pressure of the beam ring. At this time, the screwdriver head is fixed in the slot hole by the buckle of the positioning bead, and at the same time, the guide pin is limited. Located at the far end of the elongated groove, when in the release position, the tie ring makes the inner ring groove adjacent to the corresponding fastening hole through an external force, and makes the positioning bead retreat to the inner ring groove. At this time, the The screwdriver head can slide away along the axial direction of the rod body, and the guide pin pushes against the proximal end of the long groove hole through the first elastic member, so that the inner ring groove is always adjacent to the corresponding fastening hole. 2. The quick-release socket tool according to claim 1, wherein the slot hole has a slot section adjacent to the port and capable of inserting the bit of the screwdriver, and a slot section away from the port capable of inserting the second screwdriver bit. A guide groove segment accommodated by an elastic member. 3. The quick-release socket tool according to claim 2, characterized in that: the linkage device further comprises a sliding piece accommodated in the guide groove section, the sliding piece can be set through by the guide pin, and one end against the first elastic member. 4. The quick release socket tool according to claim 3, wherein the sliding member has a front end adjacent to the port, a rear end away from the port, and a front end located between the front end and the rear end, and A limit slot for the guide pin to pass through, and the slider can slide relative to the guide pin through the limit slot. 5. The quick release socket tool according to claim 3, wherein the sliding member has a front end adjacent to the port, and the linkage device further comprises a magnet embedded in the front end. 6. The quick-release socket tool according to claim 3, wherein the sliding member has a rear end far away from the port, and a recess is provided at the rear end, and can accommodate the positioning of the first elastic member. set spring slot. 7. The quick-release socket tool according to claim 1, wherein the rod body further includes a front side edge arranged adjacent to the port, and the tie ring also has a front stop edge arranged corresponding to the front side edge, The second elastic member pushes between the front side edge of the rod body and the front retaining edge of the beam ring along the axial direction of the rod body. 8. The quick-release socket tool according to claim 7, wherein the clamping ring is composed of a metal part corresponding to the guide pin and a gripping part sleeved on the outside of the metal part, The inner ring groove and the front retaining edge are formed on the metal part. 9 . The quick-release socket tool according to claim 1 , wherein the fastening hole gradually expands outward from the slot along the radial direction of the rod body. 10 .