TW201420278A - Universal joint structure - Google Patents

Abstract

The present invention relates to a universal joint structure, which comprises: a first body disposed with a first engaging portion and a second engaging portion; a second body disposed with a joint portion, a drive portion, a second receiving hole and a control orifice; one bead received in the second receiving hole; a first lever received in the control orifice, the first lever being disposed with a bead cavity for receiving the bead, the first lever being provided with an abutting portion projecting outside the second body; a first elastic element abutting between a stepped portion and an abutting portion of the control orifice; a socket wrench that includes: a wrench body, a second lever and a third elastic element. The wrench body is provided with a third engaging portion. The third engaging portion is sleeved into the first engaging portion. The third engaging portion has a step-like through hole. The second lever is received in the through hole. An end portion of the second lever abuts the abutting portion. The third elastic element abuts the stepped portion of the through hole and the second lever, the second lever and the third elastic element are of a quick-release structure.

Description

Universal joint structure

The invention relates to a universal joint structure, in particular to a universal joint structure which has a quick release structure by pressing a quick release structure of a socket wrench.

As is known in the prior art, a conventional universal joint structure, such as U.S. Patent No. 8,104,382, Taiwan Patent Application No.: 098,100,213, the patent name: universal joint, a universal joint, comprising: a drive hole 5 The driving member 5 is connected to the power rotating tool; the body 1 has a ball head 11 and a driving head 12, and the ball head 11 is pivotally connected to the linking member 3 through a pin to provide multiple angles. The effect of the rotation of the driving head 12 has a distance to receive the corresponding object to be driven; a reinforcing portion 13 is disposed between the ball head 11 and the driving head 12, and the ball head 11 and the reinforcing portion 13 There is formed a neck portion 112. The reinforcing portion 13 is provided with a groove 14 on one side, and a control hole 131 is defined in the groove 14. A control device 2 includes a control member 20, and the control member 20 has a The pressing end 21 disposed in the control hole 131 and the operating end 22 hidden in the recess 14 prevent the operating end 22 of the control member 20 from hitting the hand when the universal joint is rotated, and will not Colliding with a hard object while rotating causes damage to the control member 20.

The absence of this patent is based on:

1. In addition, as shown in the first and second figures of the publication, the main body 1 is provided with a reinforcing portion 13 having a recess 14 on the side of the reinforcing portion 13 and a control hole in the recess 14 131, the control member 20 is received in the control hole 131, but In order to accommodate the control member 20, and if the control member 20 is convenient for hand pressing, the diameter of the control member 20 is about 10 mm, so that the reinforcing portion 13 has a length of at least 14 mm, and the body 1 is required to increase the thickness of the reinforcing portion 13, the body 1 will have a longer length.

2. As shown in Fig. 5 of the bulletin, although the groove of the reinforcing portion 13 is provided with a groove 14, the control end 22 of the control member 20 is disposed at the groove 14, but as shown in Fig. 1. After all, the control unit 22 is exposed to the outside. When the universal joint is rotated, there is still a chance to collide with the control end 22 when other workpieces, other objects or even the universal joint is dropped, so that the control is automatically pressed to the control. In the piece 20, the moving member 40 is automatically displaced to cause the sleeve that is fitted to the driving head 12 to fall off naturally.

3. The body 1 is required to be provided with a reinforcing portion 13 , and the reinforcing portion 13 is provided with a groove 14 , and the groove 14 is processed by using a milling cutter, and the body 1 has a large cost.

In view of the above-mentioned conventional structure, the inventors of the present invention have accumulated many years of experience in the manufacture of floating joints, and have obtained the practical experience of the present invention.

The conventional universal joint structure has a quick release Efficacy, but the body needs to be provided with a reinforcing portion and a missing portion of the control member. The universal joint structure of the present invention has a quick release structure by pressing the quick release structure of the socket wrench.

A universal joint structure comprising: a first system is provided with a first set of parts and a second set of parts; a second body The first rod system is disposed in the control hole, and the first rod system is provided with a bead hole. The first rod system is provided with a top abutting portion and is exposed to the second body; a first elastic element is abutted against the step of the control hole and the top abutting portion; a socket wrench is included a wrench body, a second rod body and a third elastic element; the wrench system is provided with a third sleeve portion, the third sleeve portion is sleeved at the first sleeve portion, and the third sleeve portion is provided a stepped hole having a class shape, the second rod system is accommodated in the through hole, the end of the second rod body is abutted against the top abutting portion, the third elastic element is at the level of the through hole and the second On the rod body, the second rod body and the third elastic element are in a quick release structure.

Pressing the second rod of the socket wrench, the The second rod system is displaced to actuate the displacement of the first rod body, so that the bead system is trapped in the deepest part of the bead of the first rod body, and the bead body is hidden in the second hole of the second body, fits in the driving The hand tools, such as the sleeve, the post or the adapter, can be easily engaged or disengaged from the driving portion, and the first body of the second body is actuated by pressing the quick release structure of the socket wrench The universal joint structure has a quick release effect. After the second body is disengaged from the first body, pressing the first rod body also makes the bead system conceal in the second hole, and the second body also has a quick release effect.

The structure and composition of the present invention are described in conjunction with the drawings and the drawings, and the following description is only for explaining the implementation of the present invention. For example, it is not intended to impose any form of limitation on the present invention. Any modification made in the spirit of the present invention shall remain within the scope of protection of the present invention.

Referring first to the first to third figures, the first drawing is a perspective exploded view of the present invention, the second drawing is a side view of the structure of the fixing ring 40 of the present invention, and the third drawing is a three-dimensional combination drawing of the present invention. The present invention relates to a universal joint structure, comprising: a first body 10, the first body 10 is provided with a first sleeve portion 11 at one end, and the first sleeve portion 11 is formed into a four-corner groove shape. The second body portion 12 is provided with a second sleeve portion 12 at the other end. The second sleeve portion 12 is formed into a hexagonal groove shape, and the second sleeve portion 12 and the first sleeve portion 11 are provided with a sleeve having a smaller diameter. The slot 14 and the sleeve 14 are configured to communicate with each other between the first sleeve portion 11 and the second sleeve portion 12. The first body 10 is provided with at least one first clamping groove 15, and the first clamping groove 15 is The first clamping groove 15 is in the shape of a perforation, and each of the first clamping grooves 15 is in communication with the second clamping portion 12, and the first clamping groove is in this embodiment. The number of the first body 10 is three, and the outer circumference of the first body 10 is provided with a buckle groove 17; a second body 20 is provided with a joint portion 21 at one end thereof, and the joint portion 21 is composed of six arcs. Facial group The joint portion 21 is received in the second sleeve portion 12 of the first body 10, and the joint portion 21 is rotatable at an umbrella angle at the second sleeve portion 12 and extends the first body. The axial displacement of the second body 20 is provided at the other end of the second body 20, and the driving portion 22 is formed in a quadrangular shape to be rotated by the sleeve. The driving portion 22 is provided with a non-penetrating second volume on one side. The hole 221, the driving portion 22 and the joint portion 21 are provided with a polygonal end 23, the polygonal end 23 is formed into a hexagonal column shape, the two-edge distance of the polygonal end 23 is greater than the distance between the two opposite sides of the second sleeve portion 12, and the first ring abutting portion 24 is disposed at the middle portion of the second body 20. The first ring abutting portion 24 is disposed between the driving portion 22 and the joint portion 21 or between the polygonal end portion 23 and the joint portion 21 , and the first ring abutting portion 24 is received at the second fitting portion 12 . The outer circumference of the first ring abutting portion 24 is tangent to the side surface of the second fitting portion 12, and the second ring abutting portion 25 is provided at the end of the joint portion 21, and the second ring abutting portion 25 is provided. The sleeve is disposed at the sleeve groove 14. The first ring abutting portion 24 and the joint portion 21 are provided with a constricted neck 26 having the smallest diameter. The driving portion 22 is provided with a control hole 27, which is a class. The control hole 27 is connected to the second body 20, and the control hole 27 is in communication with the second hole 221; a bead body 30 is received in the second hole 221 of the second body 20. The opening of the second hole 221 is stamped to be slightly smaller than the diameter of the bead 30, so that the bead 30 is limited to the second body 10; a first rod 32, the first rod 32 is configured Provided in the control hole 27, the first rod The 32-series is provided with a bead hole 321 which is provided with a bead body 30. The first rod body 32 is provided with a top abutting portion 323 at one end thereof, and the top abutting portion 323 is exposed outside the second body 20, and the abutting portion 323 Close to the first sleeve portion 11 of the first body 10; a first elastic member 33, the first elastic member 33 is sleeved on the first rod body 32, and the first elastic member 33 is attached to the first rod member 32. The elastic force of the first elastic member 33 between the control hole 27 of the second body 20 and the top abutting portion 323 causes the bead body 30 to be partially protruded from the upper portion of the bead hole 321 and partially protruded outside the second hole 221 ; A fixing ring 40 is sleeved on the outer periphery of the first body 10. The outer circumferential surface of the fixing ring 40 is surrounded by a plurality of concave circles for hand displacement, and the fixing ring 40 is provided with a chamber 41 at one end thereof. The fixing ring 40 is provided with a first abutting surface 42 at the other end. The first abutting surface 42 has an annular bevel shape. As shown in the second figure, the first abutting surface 42 is closer to the chamber 41. a small shape, a contact surface 44 is disposed between the chamber 41 and the first abutment surface 42; a buckle 50 is received in the buckle groove 17 of the first body 10; a second elastic component 60, the second elastic member 60 is sleeved on the first body 10, the second elastic member 60 is between the buckle 50 and the abutment surface 44 of the fixing ring 40; at least one clamping member 70, the clamping member The number of 70 is the same as the number of the first clamping slots 15 of the first body 10, and each of the clamping members 70 is received in each of the first clamping slots 15, and each of the clamping members 70 is topped against At the first abutting surface 42 of the retaining ring 40, each of the engaging members 70 is slightly exposed in the range of the second fitting portion 12, and each of the engaging members 70 is limited to the second portion of the joint portion 21 not coming out of the joint portion Outside the slot 12; the first The first card slot 15 and the second sleeve portion 12 are connected to each other in a smaller diameter, so that the card member 70 does not fall into the second sleeve portion 12; a socket wrench 80, The socket wrench 80 includes a wrench body 81, a second rod body 82 and a third elastic member 83. The wrench body 80 is provided with a third sleeve portion 81, and the third sleeve portion 81 is a convex four-corner head. The third set of fittings 81 is sleeved on the first body 10 The first set of joints 11 is provided with a through hole 812. The through hole 812 is in a class shape, and the second rod 82 is received in the through hole 812. The second rod 82 is received in the through hole 812. The third elastic member 83 is sleeved on the second rod 82, and the third elastic member 83 is fastened against the top abutting portion 323 of the first rod body 30 or near the top abutting portion 323. The second rod 82 and the third elastic member 82 are fast-disconnecting structures of the socket wrench at the level of the through hole 812 and the second rod 82.

Please refer to the fourth to fifth figures. The fourth figure is a front view of the universal joint structure of the present invention, and the fifth figure is a cross-sectional view of the AA of the fourth figure. The joint portion 21 of the second body 20 is accommodated. The driving portion 22 and the polygonal end portion 23 are exposed outside the second fitting portion 12, and the second ring abutting portion 25 is received at the sleeve groove 14 in the second fitting portion 12 of the first body 10. The buckle 50 is received in the buckle groove 17. The fixing ring 40 and the second elastic component 60 are sleeved on the first body 10. Each of the fasteners 70 is received in each first card. In the slot 15, each of the latching members 70 is abutted against the first abutting surface 42 of the retaining ring 40, and the first body 10 is driven. The first body 10 is coupled to the second body 20 for rotation. The first ring abutting portion 24 of the first body 10 is received in the second sleeve portion 12 of the first body 10, and the second ring abutting portion 25 is received in the sleeve groove 14. The first body 10 and the second body 20 The intermediate body has two more accommodating structures, and the first body 10 and the second body 20 are more stable, and the second body 20 is located at the first position.

Please refer to the sixth figure, which is a cross-sectional view of the fourth figure of the present invention after pressing AA, pressing the second rod 82, the third elastic member 83 is compressed, and the second rod 82 is displaced to operate. A rod 32 is displaced, the first elastic member 33 is compressed, and the bead 30 is trapped in the deepest point 321 of the first rod 32. The bead body 30 is hidden in the second hole 221 of the second body 20, and the hand tool fitted to the driving portion 22, such as a sleeve or a post, can be easily fitted or disengaged from the driving portion 22. The quick release function of the first body 32 in the second body 20 by pressing the quick release structure of the socket wrench is the first advantage of the present invention.

Continuing to refer to the seventh embodiment, which is a cross-sectional view of the second position AA of the fourth embodiment of the present invention, each of the clamping members 70 is received in the first clamping slot 15 of the first body 10, each card. The workpiece 70 is abutted against the first abutting surface 42 of the fixing ring 40, and the second body 20 is displaced toward the opening of the second sleeve portion 12 of the first body 10. The first ring abutting portion 24 is detached. The second sleeve portion 12 is accommodated and the second ring abutting portion 25 is received by the sleeve portion 14 . The joint portion 21 is swingable at an umbrella angle at the second sleeve portion 12 . The second body 20 is When displaced, the joint portion 21 is limited by the restriction of the retaining member 70 and cannot be removed from the second fitting portion 12.

Continuing to refer to the eighth embodiment, which is a cross-sectional view of the third position AA of the fourth embodiment of the present invention, the fixing ring 40 is displaced in the direction of the first sleeve portion 11, and the second body 20 can be the first body 10 The first ring abutting portion 24 of the second body 20 is disengaged from the second sleeve portion 12, and the second ring abutting portion 25 is disengaged from the sleeve 14 for the card. The piece 70 is no longer limited to the first abutment surface 42 of the retaining ring 40. When the joint portion 21 is displaced, the engaging member 70 can be disengaged from the second nesting portion 12, so that the second body 20 is Disengaged from the first body 10, the joint portion 21 is not limited to the second sleeve portion 12, and the operator can directly drive the second body 20 to rotate by the open end wrench 23, and the operator also The first rod 32 can be directly pressed to make the bead 30 hidden in the second In the bore 221, the second body 20 also has a quick release effect, which is the second advantage of the present invention.

Please refer to the ninth figure, which is a schematic structural view of the replacement universal joint of the present invention. The driving portion 22 of the second body 20 has a different structure. The driving portion 22 has a polygonal groove shape, and the second body 20 is removed. After the first body 10 is outside, the second body 20 of the different driving portion 22 can be replaced according to the needs of the user.

The advantages of the universal joint structure of the present invention are:

1. Pressing the second rod body 82, the second rod body 82 is displaced to actuate the displacement of the first rod body 32, so that the bead body 30 is trapped in the deepest part of the bead hole 321 of the first rod body 32, and the bead body 30 is Hidden in the second hole 221 of the second body 20, the hand tool, such as the sleeve, the post or the adapter, which is fitted to the driving portion 22, can be easily fitted or disengaged from the driving portion 22, The first rod body 32 in the second body 20 is actuated by pressing the quick release structure of the socket wrench, and the universal joint structure has a quick release effect.

2. After the second body 20 is disengaged from the first body 10, the first body 32 is pressed to make the bead body 30 conceal in the second hole 221, and the second body 20 also has a quick release effect.

3. The fixing ring 40 is in the form of a ring body. Therefore, the universal joint structure is less likely to touch the fixing ring 40 due to impact or falling, so that the fixing ring 40 is axially displaced.

4. The displacement of the fixing ring 40 causes the clamping member 70 to no longer limit the joint portion 21 of the second body 20. The first body 10 is capable of replacing the second body 20.

The first ring abutting portion 24 of the second body 20 is received in the second sleeve portion 12 of the first body 10 , and the second ring abutting portion 25 is received in the sleeve 14 of the first body 10 . When the second body 20 is in the first position, the first body 10 and the second body 20 have two nesting and clamping structures, and the rotation is more stable.

Therefore, the universal joint structure of the invention has industrial utilization, novelty and progress, and can meet the application requirements of the invention patent, and submits an application according to law.

10‧‧‧First Ontology

11‧‧‧First set of joints

12‧‧‧Second set of joints

14‧‧‧ sets of slots

15‧‧‧First card slot

17‧‧‧ buckle groove

20‧‧‧Second ontology

21‧‧‧Connector

22‧‧‧ Drive Department

221‧‧‧Second hole

23‧‧‧Multi-angle

24‧‧‧ First Ring Arrival

25‧‧‧The second ring

26‧‧‧Constriction of the neck

27‧‧‧Control hole

30‧‧‧ beads

32‧‧‧First body

321‧‧‧ beads

323‧‧‧Abutment

33‧‧‧First elastic element

40‧‧‧Fixed ring

41‧‧ ‧ room

42‧‧‧First arrival surface

44‧‧‧ Meet

50‧‧‧First buckle

60‧‧‧Second elastic element

70‧‧‧Card parts

80‧‧‧Socket wrench

81‧‧‧Wrench body

811‧‧‧ Third set of joints

812‧‧‧through holes

82‧‧‧Second body

83‧‧‧ Third elastic element

The first figure is an exploded perspective view of the universal joint of the present invention.

The second figure is a side view of the fixing ring of the universal joint of the present invention.

The third figure is a three-dimensional combination diagram of the universal joint of the present invention.

The fourth figure is a front view of the universal joint of the present invention.

Figure 5 is a cross-sectional view taken along line A-A of the fourth drawing of the present invention.

Fig. 6 is a cross-sectional view taken at A-A after pressing of the fourth drawing of the present invention.

Figure 7 is a cross-sectional view showing the second position A-A of the fourth drawing of the present invention.

Figure 8 is a cross-sectional view showing the third position A-A of the fourth drawing of the present invention.

The ninth drawing is a schematic structural view of the replacement universal joint of the present invention.

10‧‧‧First Ontology

11‧‧‧First set of joints

12‧‧‧Second set of joints

14‧‧‧ sets of slots

15‧‧‧First card slot

17‧‧‧ buckle groove

20‧‧‧Second ontology

21‧‧‧Connector

22‧‧‧ Drive Department

221‧‧‧Second hole

23‧‧‧Multi-angle

24‧‧‧ First Ring Arrival

25‧‧‧The second ring

26‧‧‧Constriction of the neck

27‧‧‧Control hole

30‧‧‧ beads

32‧‧‧First body

321‧‧‧ beads

323‧‧‧Abutment

33‧‧‧First elastic element

40‧‧‧Fixed ring

50‧‧‧First buckle

60‧‧‧Second elastic element

70‧‧‧Card parts

80‧‧‧Socket wrench

81‧‧‧Wrench body

811‧‧‧ Third set of joints

812‧‧‧through holes

82‧‧‧Second body

83‧‧‧ Third elastic element

Claims (11)

A universal joint structure, comprising: a first body, the first body is provided with a first sleeve portion at one end, the first sleeve portion is formed into a four-corner groove shape, and the first body is provided at the other end a second set of joints, the second set of parts is formed into a hexagonal groove shape; a second body having a joint portion at one end thereof, the joint portion being composed of six curved faces and forming a ball-like shape, the joint The second part of the first body is disposed in the second sleeve portion of the first body, the joint portion is rotatable at an umbrella angle at the second sleeve portion and extends axially of the first body, and the second body is provided at the other end a driving portion, the driving portion is formed in a quadrangular shape, the driving portion is provided with a second through hole that is not penetrated, and the driving portion is provided with a control hole, the control hole is in a class shape, and the control hole is through the second a body, the control hole is in communication with the second hole; a bead body, the bead system is received in the second hole of the second body, the bead system is limited to the second body; a first rod, the The first rod system is accommodated in the control hole, the first rod system is provided with a bead hole, and the bead hole system is for receiving the bead body, the first rod body The end system is provided with a top abutting portion, the top abutting portion is exposed on the second body, and the top abutting portion is adjacent to the first sleeve portion of the first body; a first elastic element, the first elastic element is sleeved On the first rod body, the first elastic element is abutted against the step of the control hole of the second body and the top abutment of the first rod body, and the elastic force of the first elastic element causes the bead system to be subjected to the bead hole a higher portion abutting the portion and partially protruding outside the second hole; a socket wrench comprising: a wrench body and a second rod The body and the third elastic component; the wrench system is provided with a third sleeve portion, the third sleeve portion is in the shape of a convex quadrangular head, and the third sleeve portion is sleeved on the first sleeve of the first body Wherein, the third set of parts is provided with a through hole, the through hole is in a class shape, the second rod system is accommodated in the through hole, and the end of the second rod is abutted against the top of the first rod The third elastic element is sleeved on the second rod body, and the third elastic element is fastened to the level of the through hole and the second rod body, the second rod body and The third elastic element is a quick release structure of the socket wrench. The universal joint structure according to claim 1, wherein the second sleeve portion and the first sleeve portion are provided with a sleeve having a smaller diameter, and the sleeve is for the first sleeve portion and the second sleeve portion. The joints are connected. The universal joint structure according to claim 1, wherein the first system is provided with at least one first clamping groove, and the first clamping groove is adjacent to the open end of the second fitting portion, and each first clamping system The grooved system is perforated, and each of the first clamping groove is in communication with the second sleeve portion. The first outer peripheral edge is provided with a buckle groove, and a fixing ring is disposed on the first body. The outer peripheral edge of the fixing ring is provided with a receiving chamber at the other end. The fixing ring has a first abutting surface at the other end. The first abutting surface has an annular inclined surface, and the first resisting surface is provided with abutting between the receiving chamber and the first abutting surface. The cover is provided with a buckle ring, and the buckle is disposed at the buckle groove of the first body; the second elastic component is sleeved on the first body, and the second elastic component is fastened Between the buckle and the abutment of the fixing ring; at least one clamping member is provided, the number of the clamping members is the same as the number of the first clamping grooves of the first body, and each of the clamping members is accommodated in each In a first card slot, each card member is abutted against the first abutment surface of the retaining ring, each card The workpiece is slightly exposed in the range of the second sleeve portion, and each of the card members is limited to the joint portion of the second body not coming out of the second sleeve groove. The universal joint structure of claim 3, wherein the number of the first clamping grooves is three. The universal joint structure according to claim 3, wherein the first abutting surface is gradually reduced in diameter toward the chamber. The universal joint structure according to claim 3, wherein the first clamping groove of the first body and the second fitting portion are connected in a smaller diameter, so that the clamping member does not fall into the first The scope of the second set of joints. The universal joint structure according to claim 1, wherein the driving portion and the joint portion are provided with a polygonal end, and the polygonal end is formed into a hexagonal column shape, and the multi-angle end two-edge distance is greater than the second sleeve. The second side of the distance. The universal joint structure of claim 7, wherein the second body portion is provided with a first ring abutting portion, the first ring abutting portion is disposed between the driving portion and the joint portion or is disposed at the polygonal end The first ring abutting portion is disposed at the second fitting portion, and the outer periphery of the first ring abutting portion is tangent to the side surface of the second fitting portion. The universal joint structure according to claim 2, wherein the end portion of the joint portion is provided with a second ring abutting portion, and the second ring abutting portion is received at the sleeve groove. The universal joint structure according to claim 8, wherein the first ring abutting portion and the joint portion are provided with a constricted neck having the smallest diameter. The universal joint structure according to claim 1, wherein the opening of the second bore is stamped to be slightly smaller than the diameter of the bead, so that the bead system is restricted to the second bore.