TWI781892B - Tool connector - Google Patents

Abstract

A tool connector includes a main body, an adapter member, an elastic member and at least a stop member. The main body disposed with an assembling portion. The assembling portion disposed with a through hole radially. An abutting member is movably disposed in the through hole. The adapter member is inserted into the main body and is movable to locate in a first position or a second position. When the adapter member is located in the first position, the adapter member abuts against the abutting member radially. When the adapter member is located in the second position, the adapter member is not abut against the abutting member radially.

Description

tool joint

The present invention relates to a tool joint.

Press, generally during the locking operation, a pneumatic or electric rotating tool is used to assemble the locking piece for locking, and the driving end of the known rotating tool is provided with a driving rod, and the driving rod is assembled with the locking piece. By combining the driving rod with the locking piece, when the driving end rotates, the driving rod can be driven to rotate for locking operation. However, there are many styles of locking pieces (such as screws, nuts and bolts, etc.), so the driving end needs to be replaced with different driving rods in actual operation for assembly with sleeves or other tools in order to lock the nuts or bolts It is very inconvenient to use such locks, and there is a shortcoming that needs to be improved urgently.

Therefore, it is necessary to provide a novel and progressive tool joint to solve the above-mentioned problems.

The main purpose of the present invention is to provide a tool joint that can be connected with an automatic rotating tool and a locking tool, which is not only simple in structure, but also quick and easy to operate.

To achieve the above purpose, the present invention provides a tool joint, which includes a body, an adapter, an elastic element and at least one blocking element. The body is provided with a set of joints, and the set of joints is provided with a through hole in the radial direction. A hole is movably accommodated in the through hole. The adapter is inserted into the main body and can move between a first position and a second position. When the adapter is at the first position, the adapter radially abuts against the locking element so that the locking When the adapter is located at the second position, the adapter does not abut against the locking element so that the locking element can move radially inward. The elastic member is sheathed on the part where the adapter is inserted into the main body and abuts between the main body and the adapter so that the adapter normally moves toward the first position. The at least one stopper is disposed on the body to stop the adapter and prevent the adapter from detaching from the body.

1,1A: Ontology

11: Assembly part

12: Perforation

13: card

14: Holes

141: accommodating hole

142: Big Duan

143: small section

144: step department

145: first ring groove

2,2A: Adapter

21,21A: abutting piece

211: external thread

212: Inclined section

213: necking section

22,22A: post

221: second ring groove

222: internal thread

3: Elastic parts

4,4A: block

5: Bushing

51: Body

52: top

53: Piercing holes

Fig. 1 is a perspective view of a preferred embodiment of the present invention.

Fig. 2 is an exploded view of a preferred embodiment of the present invention.

Fig. 3 and Fig. 4 are operation sectional views of a preferred embodiment of the present invention.

Fig. 5 is a perspective view of another preferred embodiment of the present invention.

Fig. 6 is an exploded view of another preferred embodiment of the present invention.

Fig. 7 and Fig. 8 are operation sectional views of another preferred embodiment of the present invention.

The following examples illustrate possible implementations of the present invention, but are not intended to limit the scope of protection of the present invention.

Please refer to FIGS. 1 to 4 , which show a preferred embodiment of the present invention. The tool joint of the present invention includes a body 1 , an adapter 2 , an elastic member 3 and at least one stopper 4 .

The main body 1 is provided with a joint portion 11 , and a through hole 12 is defined in the radial direction of the joint portion 11 , and a clip 13 is movably accommodated in the through hole 12 .

The adapter 2 is inserted into the body 1 and can move between a first position and a second position. When the adapter 2 is in the first position, the adapter 2 radially abuts against the clip 13 so that the clip 13 is radially outwardly abutted, when the adapter 2 is in the second position, the adapter 2 does not abut against the clip 13 so that the clip 13 can radially inward move.

The elastic member 3 is sleeved on the part where the adapter 2 is inserted in the body 1 and abuts between the body 1 and the adapter 2, so that the adapter 2 normally faces the first The location moves. In this embodiment, when the adapter 2 moves toward the first position, the adapter 2 moves away from the connecting portion 11. In other embodiments, the relative position between the first position and the second position It can also be set in reverse.

The at least one stopper 4 is arranged on the body 1 to stop the adapter 2 and prevent the adapter 2 from detaching from the body 1, that is, when the adapter 2 is in the first position, the stopper 4 stops Stop at the adapter 2.

The adapter 2 further includes an abutting piece 21 and a connecting rod 22, the abutting piece 21 is connected with the connecting rod 22, when the connecting piece 2 is in the first position, the abutting piece 21 is Push against the clip 13 so that the clip 13 abuts radially outwards. When the adapter 2 is in the second position, the abutment 21 does not abut against the clip 13 so that the clip 13 can move radially inwards.

During actual operation, the end of the connecting rod 22 away from the abutting member 21 is used for assembly on a rotating tool (such as an air tool or an electric tool), when a locking tool (such as the sleeve shown in Figures 3 and 4) wants to When the adapter 2 is sleeved on the joint part 11 and the adapter 2 is at the first position, the clip 13 interferes with the locking tool, and if the locking tool continues to be pushed toward the body 1, the body 1 When the adapter 2 moves toward the second position due to the clamping of the locking tool and the rotating tool, the locking member 13 moves radially inward, and the locking tool Only then can it be smoothly sleeved on the joint part 11, so it is more convenient to use, and when the adapter 2 is in the first position, the stopper 4 is blocked by the adapter 2, which can avoid the transfer The connector 2 is separated from the body 1 .

Specifically, the body 1 is provided with a set of holes 14 at one end opposite to the assembly portion 11, the adapter 2 is movably inserted into the set of holes 14, the through hole 12 communicates with the set of holes 14, and the set of holes The wall of the hole 14 is pierced with at least one accommodating hole 141, and the outer peripheral wall of the post 22 is provided with a second ring groove 221. The at least one stopper 4 is accommodated in the at least one accommodating hole 141 and surrounds the The second ring groove 221, the groove width of at least one of the at least one accommodating hole 141 and the second ring groove 221 is larger than the radial dimension of the stopper 4, the sleeve hole 14 is a non-circular hole, the The connecting rod 22 is a non-circular rod whose shape corresponds to the sleeve hole 14. In this embodiment, the groove width of the second ring groove 221 is greater than the radial dimension of the stopper 4 to serve as the first position and the first position. For the distance between the second position, each of the stoppers 4 is a snap ball.

Preferably, in this embodiment, a bushing 5 is further included. The bushing 5 includes a connected body 51 and a top 52. The body 51 is sheathed on the end of the body 1 away from the connecting portion 11. , the top 52 includes a through hole 53 , and the through hole 53 is sleeved on the post 22 . The bushing 5 can limit the stoppers 4 to prevent the stoppers 4 from detaching from the accommodating holes 141 .

Wherein, the resisting member 21 and the connecting rod 22 are integrally formed, and the radial dimension of the connecting rod 22 is larger than that of the resisting member 21 , which can reduce the material cost of the resisting member 21 .

In detail, the sleeve hole 14 includes a large section 142 and a small section 143. The large section 142 is located at the end of the small section 143 away from the connecting portion 11 and forms a first-stage portion 144. The elastic member 3 is sleeved on the part of the abutment piece 21 that extends into the large section 142 and abuts against the end surface of the step portion 144 and the connecting rod 22, so that the adapter piece 2 can move towards the first position in a normal state trend.

In addition, the abutting member 21 is provided with an inclined section 212 and a neck section 213. The inclined section 212 is inclined toward the direction of the neck section 213. When the adapter 2 is in the first position, the inclined section 212 correspond In the through hole 12, when the adapter 2 is in the second position, the constricted section 213 corresponds to the perforated hole 12, the slope section 212 is located on the side of the constricted section 213 away from the rod 22, and the constricted The neck section 213 can accommodate a part of the locking member 13 so that the locking member 13 can move radially inward. In this embodiment, the locking member 13 is a locking ball for easier movement.

It should be noted that the joint part 11 is arranged at one end of the body 1, and the radial dimension of the joint part 11 is smaller than the radial dimension of the rest of the body 1 to position the locking tool; the sleeve hole 14 Through the opposite ends of the main body 1, to avoid negative pressure in the sleeve hole 14 and affect the movement of the adapter 2 in the sleeve hole 14; A rotating tool, the large part 142 is a hexagonal hole, and the connecting rod 22 is a hexagonal rod, so that the connecting rod 22 does not rotate with the body 1 .

Please refer to FIGS. 5 to 8. In another embodiment, the hole wall of the sleeve hole 14 is provided with a first ring groove 145, and the outer peripheral wall of the rod 22A is provided with a second ring groove 221. The stopper 4A Accommodated in the first ring groove 145 and surrounds the second ring groove 221, the groove width of at least one of the first ring groove 145 and the second ring groove 221 is larger than the axis of the stopper 4A In this embodiment, the groove width of the second ring groove 221 is greater than the axial thickness of the stopper 4A as the distance between the first position and the second position. The stopper 4A is a C-shaped buckle pieces.

The abutting piece 21A of the adapter piece 2A is screwed to the connecting rod 22A, the radial dimension of the connecting rod 22A is larger than the radial dimension of the abutting piece 21A, and the abutting piece 21A is provided with an external thread 211, The post 22A has an internal thread 222 screwed to the external thread 211 . It is worth mentioning that, since the abutting member 21A and the connecting rod 22A in this embodiment are screwed together (in other embodiments, they can also be assembled together), the connecting rod 22A can be of a single specification during manufacture Mass production is carried out, and the abutting piece 21A and the body 1A can have different specifications according to actual use for locking tools of different specifications, and the abutting piece 21A and the connecting rod 22A are assembled so that the abutting piece 21A and the connecting rod 22A are connected synchronously, so that the manufacturing cost of the connecting rod 22A and the abutting piece 21A being integrally formed can be reduced.

1: Ontology

11: Assembly part

12: Perforation

13: card

2: Adapter

22: post

5: Bushing

Claims (10)

A tool joint, comprising: a main body provided with a joint part, a through hole radially opened in the joint part, a clip movably accommodated in the through hole; an adapter part inserted into the main body and movable In a first position and a second position, when the adapter is located in the first position, the adapter radially abuts against the clip so that the clip abuts radially outward, and when the transfer When the part is in the second position, the adapter part does not abut against the card part so that the card part can move radially inward; butt against between the main body and the adapter so that the adapter normally moves toward the first position; at least one stopper is provided on the body to stop the adapter and prevent the transition part out of the body. The tool joint according to claim 1, wherein the adapter further includes an abutting piece and a post, the abutment is connected to the post, and when the adapter is at the first position, the The abutting piece radially abuts against the clip so that the clip radially abuts outward, and when the adapter is in the second position, the abutting piece does not abut against the clip so that the clip can Move radially inward. The tool joint according to claim 2, wherein the main body is provided with a set of holes at one end of the connecting part, the adapter is movably inserted into the set of holes, the through hole communicates with the set of holes, and the set of holes The wall of the hole is perforated with at least one accommodating hole, the outer peripheral wall of the rod is provided with a second ring groove, the at least one stopper is accommodated in the at least one accommodating hole and surrounds the second ring groove, The groove width of at least one of the at least one accommodating hole and the second ring groove is greater than the radial dimension of the stopper, the sleeve hole is a non-circular hole, and the connecting rod is a non-circular shape corresponding to the sleeve hole shaped rods. The tool joint according to claim 2, wherein the abutting piece and the post are integrally formed, and the radial dimension of the post is larger than the radial dimension of the abutting piece. The tool joint as described in claim 3, wherein the sleeve hole includes a large section and a small section, the large section is located at the end of the small section away from the joint part and forms a first-stage part, the elastic member It is sleeved on the part of the abutting piece that protrudes into the large section and abuts against the end surface of the step and the connecting rod. The tool joint according to claim 2, wherein the abutting member is provided with a sloped section and a necked section, the sloped section is inclined toward the necked section, and when the adapter is at the first position, the The inclined section corresponds to the through hole, and when the adapter is in the second position, the constricted section corresponds to the through hole. The tool joint as described in claim 2 further includes a bushing, the bushing includes a connected body and a top, the body is sheathed on the end of the body away from the assembling part, the top includes a through A hole is provided, and the piercing hole is sleeved on the connecting rod. The tool joint according to claim 3, wherein the abutting piece and the post are integrally formed, and the radial dimension of the post is larger than the radial dimension of the abutting piece; the sleeve hole includes a large section and a The small section, the large section is located at the end of the small section away from the joint part and forms a step part, the elastic part is sleeved on the part of the abutting part that extends into the large section and abuts against the Step portion and the end surface of the connecting rod; the abutting piece is provided with a slope section and a neck section, the slope section is inclined towards the direction of the neck section, when the adapter is in the first position, the slope section Corresponding to the perforation, when the adapter is in the second position, the constricted section corresponds to the perforation; the assembling part is arranged at one end of the body, and the radial dimension of the assembling part is smaller than the rest of the body The radial dimension; the sleeve hole runs through the opposite ends of the body; the end of the connecting rod away from the abutting piece is used to assemble a rotating tool, the large part is a hexagonal hole, and the connecting rod is a hexagonal rod ; The clamping part is a clamping ball, and each of the stoppers is a clamping ball; The tool joint according to claim 2, wherein the main body is provided with a set of holes at one end of the connecting part, the adapter is movably inserted into the set of holes, the through hole communicates with the set of holes, and the set of holes The wall of the hole is provided with a first ring groove, the outer peripheral wall of the post is provided with a second ring groove, and the stopper is accommodated in The first ring groove surrounds the second ring groove, the groove width of at least one of the first ring groove and the second ring groove is greater than the axial thickness of the stopper, and the sleeve hole is non- A circular hole, the connecting rod is a non-circular rod whose shape corresponds to the sleeve hole, and the stopper is a C-shaped fastener. The tool joint according to claim 2, wherein the abutting piece is screwed to the connecting rod, the radial dimension of the connecting rod is larger than the radial dimension of the abutting piece, and the abutting piece is provided with an external thread, the The connecting rod is provided with an internal thread screwed with the external thread.

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