TWI670426B - Multi-section universal tool - Google Patents

Abstract

The invention relates to a multi-section universal tool comprising a set of connectors, a connecting member, a working member and two elastic members. The set of joints has a plurality of joints and a first receiving groove, and the inner wall of the first receiving groove is provided with a first recess. The connecting member comprises a second ball head and a second receiving groove, wherein the second ball head is provided with a second elastic member which is normally radially outwardly abutted, and the inner wall of the second receiving groove is provided with a The second recess is inserted into the first receiving slot and slidable relative to the first receiving slot in a first position and a second position. The working piece includes a third ball head and a working portion, and the third ball head is provided with a third elastic member that is normally radially outwardly abutted, and the third ball head is inserted into the second receiving groove. And sliding relative to the second receiving groove in a first position and a second position. One of the two elastic members is between the first receiving groove and the second ball, and the other is between the second receiving groove and the third ball.

Description

Multi-section universal tool

The present invention is directed to a multi-section universal tool.

Press, universal joint is a hand tool that can be used for multi-angle rotation, generally used between assembly turning tools (such as wrenches, pneumatic or electric tools, etc.) and locking components (sleeve or screw lock, etc.) The adapter tool includes a ball head seat and a driving rod, and one end of the driving rod is provided with a ball head, and the ball head is slidably disposed in the ball head seat in a non-rotatable manner, and the driving rod is opposite to the The ball seat is slidably disposed at a fixed position and a swing position. When the driving rod is located at the fixed position, the radial protrusion of the driving rod is opposite to the ball seat and cannot swing relative to each other when the driving rod is When the ball head seat is pulled out to the swing position, the radial convex portion of the driving rod does not abut against the ball head seat and can swing relative to the ball head seat, and the universal joint can be rotated at multiple angles to facilitate Operate in a small working environment. However, when some working environments are too long and narrow (such as long and narrow curved holes), it is impossible to connect with the locking elements only by the extension of the rotating tool and the universal joint, which will result in extremely complicated work. Difficulties, existence and alteration.

Therefore, it is necessary to provide a novel and progressive multi-section universal tool to solve the above problems.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a multi-section universal tool that can effectively extend into a curved and narrow environment for smooth assembly with a locking member.

To achieve the above object, the present invention provides a multi-section universal tool comprising a set of connectors, a connector, a workpiece and two elastic members. The set of the connecting member has a plurality of connecting portions and a polygonal first receiving groove, and the inner wall of the first receiving groove is provided with a first concave portion. The connecting member comprises a polygonal second ball head and a second receiving groove, wherein the second ball head is provided with a second resilient member which is normally radially outwardly abutted, and the second receiving groove is inside The wall is provided with a second recess. The second ball is inserted into the first receiving slot and slidable relative to the first receiving slot in a first position and a second position. The working piece includes a polygonal third ball head and a working portion, and the third ball head is provided with a third elastic member which is normally radially outwardly abutted, and the third ball head is inserted in the second ball The receiving slot is slidable relative to the second receiving slot in a first position and a second position. One of the two elastic members is between the first accommodating groove and the second ball head, and the other is between the second accommodating groove and the third ball head, and the normal one is The second ball head and the third ball head abut against the second position. Wherein, when the second ball head is in the first position, the second elastic member is elastically abutted against the first concave portion and the connecting member cannot swing with respect to the set of members with the second ball head as an axis; When the second ball head is moved toward the second position by an external force, the second elastic member is disengaged from the first concave portion, and the second ball end is rebounded by the elastic member to move to the second position. The connecting member swings relative to the sleeve with the second ball head as an axis; wherein when the third ball head is located at the first position, the third resilient member elastically abuts the second recess and the work The member cannot swing with respect to the connecting component with the third ball head as an axis; when an external force is applied to move the third ball head toward the second position, the third resilient member is disengaged from the second recess, the The third ball head is moved by the elastic member to move to the second position, and the working member swings relative to the connecting member with the third ball head as an axis.

1,1A‧‧‧ group of parts

2‧‧‧Connecting parts

3‧‧‧Workpieces

11,11A‧‧‧Team

12,12A‧‧‧first accommodating slot

13‧‧‧First recess

14‧‧‧Extension rod

131‧‧‧First groove

21‧‧‧second ball head

25‧‧‧

241‧‧‧second groove

31‧‧‧ Third ball head

32‧‧‧Working Department

33‧‧‧ Third item

34‧‧‧ radial flange

41‧‧‧Flexible parts

42‧‧‧Limited parts

51‧‧‧ card convex

22‧‧‧Second accommodating slot

23‧‧‧Second bullets

24‧‧‧Second recess

52‧‧‧Arc section

53‧‧‧ card concave

54‧‧‧ corner

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

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

Figure 3 is a cross-sectional view of a preferred embodiment of the present invention.

Figure 4 is a cross-sectional view showing the operation of a preferred embodiment of the present invention.

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

Figure 6 is a cross-sectional view showing the operation of another preferred embodiment of the present invention.

The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the invention as claimed.

Referring to FIGS. 1 through 4, there is shown a preferred embodiment of the present invention. The multi-section universal tool of the present invention comprises a set of connectors 1, a connecting member 2, a working member 3 and two elastic members 41.

The assembly 1 has a plurality of connecting portions 11 and a polygonal first receiving groove 12, and a first recess 13 is defined in the inner wall of the first receiving groove 12.

The connecting member 2 includes a polygonal second ball head 21 and a second receiving groove 22, and the second ball head 21 is provided with a second resilient member 23 which is normally radially outwardly abutting, the second The inner wall of the accommodating groove 22 is provided with a second recess 24, and the second ball 21 is inserted into the first accommodating groove 12 and slidable relative to the first accommodating groove 12 at a first position and a second position.

The working piece 3 includes a polygonal third ball head 31 and a working portion 32. The third ball head 31 is provided with a third elastic member 33 which is normally radially outwardly abutted against the top. The third ball head 31 is provided. The second accommodating groove 22 is inserted into the second accommodating groove 22 and is slidable relative to the second accommodating groove 22 in a first position and a second position. In the embodiment, the working portion 32 is assembled with a locking member or a tool sleeve, and the connecting portion 11 is assembled with a rotating tool. In the embodiment, the first accommodating groove 12 and the second accommodating groove 22 are hexagonal slots, and the second ball The head 21 and the third ball head 31 are hexagonal ball heads, and the working portion 32 is a quadrangular head. The connecting portion 11 is a polygonal slot corresponding to the rotating tool. In other embodiments, the above structure may also be other The number of polygonal structures.

One of the two elastic members 41 is between the first receiving groove 12 and the second ball head 21, and the other is between the second receiving groove 22 and the third ball 31. Normally, the second ball head 21 and the third ball head 31 are abutted toward the second position. In the embodiment, the two elastic members 41 are gradually formed by the set of the connecting members 1 toward the working member 3. Shrinking and respectively abutting the end faces of the second ball head 21 and the third ball head 31 toward the assembly 1 .

When the second ball 21 is in the first position, the second elastic member 23 is elastically opposed to the first recess 13 and the connecting member 2 cannot be aligned with the second ball 21 The connector 1 swings; when an external force is applied to move the second ball 21 toward the second position, the second resilient member 23 is disengaged from the first recess 13 and the second ball 21 is elasticized The member 41 is snapped and moved to the second position, and the connecting member 2 is pivoted relative to the sleeve with the second ball head 21 as an axis. When the third ball 31 is in the first position, the third elastic member 33 is biased against the second recess 24 and the workpiece 3 cannot swing relative to the connecting component with the third ball 31 as an axis. When the third ball head 31 is moved toward the second position by an external force, the third elastic member 33 is disengaged from the second recess 24, and the third ball head 31 is rebounded by the elastic member 41. Moving to the second position, the workpiece 3 swings relative to the connecting member 2 with the third ball head 31 as an axis, and the two elastic members 41 prevent the second ball head 21 and the third ball head 31 from being moved. Move to the first position arbitrarily, and cannot achieve the function of multi-angle rotation. Therefore, by moving the second ball head 21 and the third ball head 31 to the second position, the multi-section universal tool can be extended and multi-angled for locking in a narrow working environment. Solid work. It is to be noted that in other embodiments of the invention, more than two joined components 2 may be included to increase the bending length of the present invention for penetration into a working environment below different bending lengths.

Specifically, the first recessed portion 13 is a first groove 131 disposed on the inner wall of the first accommodating groove 12, and the second recessed portion 24 is disposed in the second accommodating groove 22 Second groove of the wall In other embodiments, the first recessed portion 13 and the second recessed portion 24 may also be perforations, and the second resilient member 23 and the third resilient member 33 may be accommodated.

Further, the first accommodating groove 12 and the inner wall of the second accommodating groove 22 are respectively provided with a plurality of axially extending card protrusions 51, and the second ball head 21 and the third ball head 31 are respectively provided a plurality of arcuate sections 52, wherein the arcuate sections 52 of the second ball head 21 respectively abut the one of the first accommodating slots 12, and the arcuate sections of the third ball head 31 The 52 series respectively abuts the card protrusion 51 of one of the second accommodating grooves 22. In the embodiment, the first accommodating groove 12 and the second accommodating groove 22 are respectively provided with a plurality of axially extending card recesses 53. The card protrusions 51 and the card recesses 53 are along the first volume. The circumferential direction of the groove 12 or the second accommodating groove 22 is staggered. The first groove 131 and the second groove 241 extend from the card protrusion 51 and the card concave portion 53. The second ball head A corner portion 54 is formed between the two curved surface segments 52 adjacent to the third ball head 31, and each of the corner portions 54 is abutted against a recess 53 to prevent the second ball head 21 and the third ball. The head 31 rotates relative to the first accommodating groove 12 and the second accommodating groove 22.

When the connecting member 2 is in the first position, the end surface of the second receiving slot 22 is axially abutting the end surface of the first receiving slot 12, when the connecting member 2 is in the second position, The end surface of the second accommodating groove 22 does not axially abut against the end surface of the first accommodating groove 12 to prevent the connecting member 2 from swinging relative to the assembly 1 .

The working member 3 is additionally integrally provided with a radial flange 34 between the working portion 32 and the third ball head 31. When the working member 3 is in the first position, the diameter is The flange 34 is abutted against the inner wall of the second receiving groove 22 to prevent the workpiece 3 from swinging relative to the connecting member 2, and the radial flange 34 when the working member 3 is in the second position. That is, it does not abut against the inner wall of the second accommodating groove 22. Preferably, the connecting member 2 is further provided with a step portion 25. When the connecting member 2 is in the first position, the step portion 25 abuts against the inner wall of the first receiving groove 12, and the connection is also prevented. The piece 2 is swung relative to the set of connectors 1.

Preferably, the first receiving groove 12 and the inner wall of the second receiving groove 22 are further provided with a detachable limiting member 42 when the second ball head 21 or the third ball head 31 moves to the In the second position, the limiting member 42 of the first accommodating groove 12 or the second accommodating groove 22 is engaged with the second ball head 21 or the third ball head 31 to make the second ball head 21 or the third ball head 31 cannot be disengaged.

Referring to FIGS. 5 and 6 , in another embodiment of the present invention, the assembly 1A further includes an extension rod 14 , and the two ends of the extension rod 14 are respectively connected to the assembly portion 11A. Between the first accommodating groove 12A and the first accommodating groove 12A, the working length of the multi-section universal tool is extended, and the rest of the structure is the same as that of the above embodiment, so the description will not be repeated.

In summary, the multi-section universal tool of the present invention can effectively extend into a curved and narrow environment to smoothly assemble with the locking component, and the second ball head and the third ball head are supported by the first recess, The second recess and the two elastic members are configured to be quickly positioned in the first position or the second position and are not arbitrarily opposed to the sliding.

Claims (9)

The utility model relates to a multi-section universal tool, comprising: a set of connecting members, a first receiving groove having a plurality of connecting portions and a polygonal shape, wherein the inner wall of the first receiving groove is provided with a first concave portion; and a connecting member comprises a second ball head of a polygon and a second receiving groove, wherein the second ball head is provided with a second resilient member that is normally radially outwardly abutting, and the inner wall of the second receiving groove is provided with a first a second recessed portion, the second ball head is inserted into the first receiving groove and slidable relative to the first receiving groove in a first position and a second position; a working piece comprising a polygonal third ball The third ball head is provided with a third elastic member that is normally radially outwardly abutted, and the third ball head is inserted into the second receiving groove and is opposite to the second receiving portion. The slot slides between a first position and a second position; two elastic members, one of which is biased between the first receiving groove and the second ball head, and the other of which is biased against the second receiving groove and Between the third ball heads, the second ball head and the third ball head are normally abutted toward the second position; wherein, when the second ball head is located at the first position, the second The abutting member is biased against the first recess and the connecting member cannot swing relative to the set of members with the second ball head as an axis; when an external force is applied to move the second ball head toward the second position, the The second resilient member is disengaged from the first recess, and the second ball is rebounded by the elastic member to move to the second position, and the connecting member swings relative to the sleeve with the second ball as an axis; Wherein, when the third ball head is in the first position, the third elastic member is biased against the second concave portion and the working member cannot swing with respect to the connecting component with the third ball head as an axis; When the third ball head is moved toward the second position by an external force, the third elastic member is disengaged from the second recess, and the third ball is rebounded by the elastic member to move to the second position. The working piece swings relative to the connecting member with the third ball head as an axis; The first recess is a first groove disposed on the inner wall of the first receiving groove, and the second recess is a second recess disposed on the inner wall of the second receiving groove. groove. The multi-section universal tool of claim 1, wherein the first accommodating groove and the inner wall of the second accommodating groove are respectively provided with a plurality of axially extending card protrusions, the second ball head and the third The ball heads respectively have a plurality of arcuate sections, and the arcuate sections of the second ball head respectively abut the one of the first receiving slots, and the arcuate sections of the third ball head The card is respectively convex against one of the second receiving slots. The multi-section universal tool according to claim 2, wherein the first accommodating groove and the second accommodating groove are respectively provided with a plurality of axially extending card recesses, the card protrusions and the card recessed edges The first receiving groove or the second receiving groove is circumferentially staggered, the first groove and the second groove extending from the card protrusion and the card recess, the second ball and the second A corner portion is formed between the adjacent two arcuate sections, and each of the corners is abutted against a recess. The multi-section universal tool of claim 1, wherein the set of connectors further includes an extension rod, and two ends of the extension rod are respectively connected between the assembly portion and the first receiving groove. The multi-section universal tool of claim 1, wherein when the connecting member is in the first position, an end surface of the second receiving groove is axially abutted against an end surface of the first receiving groove, when When the connecting member is in the second position, the end surface of the second receiving groove does not axially abut against the end surface of the first receiving groove. The multi-section universal tool of claim 1, wherein the working piece is additionally integrally provided with a radial flange located between the working portion and the third ball head when the working piece is located In the first position, the radial flange abuts against the inner wall of the second receiving groove, and the radial flange does not overlap with the second receiving groove when the working member is in the second position. The inner wall is against the top. The multi-section universal tool of claim 1, wherein the first receiving groove and the inner wall of the second receiving groove are further provided with a detachable limiting member, when the second ball or the third When the ball head moves to the second position, the limiting member of the first receiving groove or the second receiving groove is engaged with the second ball head or the third ball head to make the second ball head Or the third ball head cannot be disengaged. The multi-section universal tool according to any one of claims 1 to 7, wherein the two elastic members are tapered by the set of members toward the working piece and respectively abut against the second ball head and The third ball head faces the end face of the assembly. The multi-section universal tool according to any one of claims 1 to 7, wherein the first accommodating groove and the second accommodating groove are hexagonal slots, the second ball head and the third ball head It is a hexagonal ball head, and the working part is a quadrangular head, and the set of joints is a polygonal slot.