TW201420911A - Universal joint structure - Google Patents

Abstract

The present invention relates to a universal joint structure, which comprises: a first body provided with a first engaging portion, a second engaging portion, a second detaining groove and a buckle groove; a second body provided with a joint portion, a first receiving hole, a drive unit, a second receiving hole and a control hole; one bead provided in the second receiving hole; a first pressing member provided in the first receiving hole; a first lever received in the control hole, the first lever being provided with a bead cavity and a slope, the bead cavity receiving the bead, the slope accommodating the first pressing member; a first elastic element engaging between a stepped portion the control orifice and the first lever; a fixed ring internally provided with a chamber, one end of the chamber having a second resisting surface and an abutment surface; a buckle received in the buckle groove; a second elastic element engaging between the buckle and the abutment surface; a second pressing member accommodated in the second detaining groove of the first body, said second pressing member abutting the second resisting surface, so as to allow the second pressing member to abut the first pressing member.

Description

Universal joint structure

The invention relates to a universal joint structure, in particular to a universal joint structure which is provided with a fixing ring, and the fixing ring is axially displaced, so that the universal joint has a quick release effect.

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.

Although the conventional universal joint structure has a quick release function, the body needs to have a reinforcing portion and the control member is exposed to the outside, and the present invention is related to the universal joint structure, in particular, a universal joint structure is provided with a fixing ring. The fixed ring is axially displaced, so that the universal joint has a quick release effect.

A universal joint structure includes: a first system provided with a first sleeve portion, a second sleeve portion, and a second sleeve groove And a second ring system; the second system is provided with a joint portion, a first bore, a drive portion, a second bore and a control hole; a bead system is accommodated in the second bore; a first press member is coupled The first rod system is disposed in the control hole, and the first rod system is provided with a bead hole and a slope surface, the bead hole is for receiving the bead body, and the bevel is for the first pressing part a first elastic member is placed at the top of the control hole and between the first rod; a fixed ring is provided with a chamber, and the second end of the chamber is provided with a second abutting surface and abutting surface; The ring is disposed in the buckle groove; a second elastic member is disposed between the buckle and the abutting surface; a second pressing member is received in the second clamping groove of the first body, the second pressing member The top of the second pressing member is attached to the second pressing surface to abut the first pressing member.

The fixing ring is axially displaced toward the first sleeve portion of the first body, so that the second abutting surface presses the second pressing member, and the second pressing member presses the first pressing member, the first The pressing member presses the inclined surface of the first rod body to displace the first rod system in the control hole of the second body, and the bead system sinks into the deepest part of the bead of the first rod body, so the universal joint structure system With the quick release structure, the tool fitted to the driving part of the second body can be quickly disengaged. The retaining ring is in the form of a ring, so that the universal joint structure is less likely to hit the retaining ring by impact or falling, and the retaining ring is axially displaced.

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 first set of joints 11 is driven by a socket wrench, and the second end of the first body 10 is provided with a second sleeve portion 12, and the second sleeve portion 12 is formed into a hexagonal groove shape, and the second sleeve portion is 12 and the first sleeve portion 11 are provided with a sleeve groove 14 having a smaller diameter. The sleeve groove 14 is configured to make the first sleeve portion 11 and the second sleeve portion 12 communicate with each other. There is at least one first clamping groove 15 , the first clamping groove 15 is adjacent to the open end of the second fitting portion 12 , and each of the first clamping grooves 15 is perforated, and each of the first clamping grooves The first system 10 is provided with a second clamping groove 16 and the second clamping groove 16 is connected to the second clamping portion 15 in the embodiment. The system is perforated, The second clamping groove 16 is connected to the second fitting portion 12 , and the second clamping groove 16 is the same diameter as the first clamping groove 15 , and the outer circumference of the first body 10 is provided with a buckle groove 17 . The first ring body 16 is disposed between the first clamping groove 15 and the buckle groove 17; a second body 20 is disposed at one end of the second body 20 The joint portion 21 is composed of six curved faces and is formed into a spherical shape, and the joint portion 21 is formed. The coupling portion 21 is disposed 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 axially of the first body 10, the joint portion The first body 20 is provided with a non-penetrating first hole 211, and the second body 20 is provided with a driving portion 22 at the other end. The driving portion 22 is formed in a quadrangular shape to rotate the sleeve, and the driving portion 22 is side-to-face. A non-penetrating second hole 221 is defined, and a polygonal end 23 is formed between the driving portion 22 and the joint portion 21, and the polygonal end 23 is formed into a hexagonal column shape, and the multi-angle end 23 has a distance of two opposite sides greater than the second The first portion of the second body 20 is provided with a first ring abutting portion 24, and the first ring abutting portion 24 is disposed between the driving portion 22 and the joint portion 21 or at the polygonal end. Between the 23 and the joint portion 21, the first ring abutting portion 24 is received at the second nesting portion 12, and the outer periphery of the first ring abutting portion 24 is tangent to the side surface of the second nesting portion 12. The second ring abutting portion 25 is disposed at the end of the joint portion 21, and the second ring abutting portion 25 is received at the sleeve groove 14. The first ring abutting portion 24 and the joint portion 21 are provided with the smallest diameter. Neck 26, the drive The control portion 27 is formed in a class shape, and the control hole 27 extends through the second body 20, and the control hole 27 communicates with the first hole 211 and the second hole 221; The body 30 is received in the second cavity 221 of the second body 20, and the opening of the second cavity 221 is slightly smaller than the diameter of the bead 30, so that the bead 30 is limited. At the second body 10; a first pressing member 31, the first pressing member 31 is received in the first hole 211 of the second body 20, and the opening of the first hole 211 is slightly less than the first portion a pressing member 31 is sized to restrict the first pressing member 31 to the second body 10; a first rod body 32 is disposed in the control hole 27, and a bead hole 321 is disposed on a side of the first rod body 32, and the bead hole 321 is configured to receive the bead body 30. The first rod body 32 is provided with a sloped surface 322 for receiving the first pressing member 31. The inclined surface 332 is on the same side as the bead hole 321 , and the first rod body 32 is provided with a top abutting portion 323 at one end thereof. The top elastic portion 33 is sleeved on the first rod body 32, and the first elastic member 33 is attached to the second body 32. The first elastic member 33 is sleeved on the first rod body 32. The elastic force of the first elastic member 33 between the control hole 27 of the main 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 from the second body 20 The outer surface of the first body 10 is sleeved on the outer periphery of the first body 10. The outer ring surface of the fixing ring 40 has a plurality of outer peripheral surfaces. The recessed circle is surrounded by a hand. The fixing ring 40 is internally provided with a chamber 41. The first end of the chamber 41 is provided with a first abutting surface 42 and a second abutting surface 43. The first abutting surface 42 and the second Resisting surface 43 The first abutting surface 42 is opposite to the second abutting surface 43 , and the first abutting surface 42 is gradually reduced in diameter toward the second abutting surface 43 as shown in the second figure. A retaining surface 44 is disposed between the chamber 41 and the second abutting surface 43. A retaining ring 50 is received in the buckle groove 17 of the first body 10; a second elastic member 60, the first The two elastic members 60 are sleeved on the first body 10, and the second elastic member 60 is abutted against the buckle 50 and the fixing ring 40. Between the faces of the first card, the number of the card members 70 is the same as the number of the first card slots 15 of the first body 10, and each of the card members 70 is accommodated in each of the first cards. In the groove 15, each of the clamping members 70 is abutted against the first abutting surface 42 of the fixing ring 40, and each of the clamping members 70 is slightly exposed in the range of the second fitting portion 12; The second pressing member 71 is received in the second locking groove 16 of the first body 10, and the second pressing member 71 is disposed on the second abutting surface 43 of the fixing ring 40 to make the second The pressing member 71 is abutted against the first pressing member 31. The first locking groove 15 of the first body 10 is connected with the second fitting portion 12 and the second clamping groove 16 is connected to the second clamping portion 12. The portion is smaller in diameter, so that the card member 70 and the second pressing member 71 do not fall into the range of the second fitting portion 12.

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 first through hole 211 is provided with a first pressing member 31. The retaining ring 50 is sleeved in the buckle ring 17. The fixing ring 40 and the second elastic member 60 are sleeved on the first body 10. A card member 70 is received in each of the first clamping slots 15 , and each of the clamping members 70 is abutted against the first abutting surface 42 of the fixing ring 40 , and the first body 10 is driven, the first The body 10 is linked to rotate the second body 20, because the first ring of the second body 20 The abutting portion 24 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 universal joint structure has two receiving structures, and With stability, the second body 20 is located at the first position.

Continuing to refer to the sixth embodiment, which is a cross-sectional view of the fourth embodiment of the present invention after pressing AA, the fixing ring 40 is axially displaced toward the first sleeve portion 11 of the first body 10, so that the The second resisting surface 43 presses the second pressing member 71. The second pressing member 71 presses the first pressing member 31. The first pressing member 31 presses the inclined surface 322 to make the first rod 32 The control hole 27 of the second body 20 is displaced, and the bead body 30 is trapped at the deepest point of the bead 321 of the first rod body 32.

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 against the retaining ring 40 On the first abutting surface 42 , when the joint portion 21 is displaced, the clamping member 70 can be disengaged from the second fitting portion 12 to disengage the second body 20 from the first body 10 . The joint portion 21 is not limited to the second nest portion 12, and the operator can directly drive the second body 20 to rotate by the open end wrench at the multi-angle end 23.

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.

Please refer to the tenth figure, which is a combination diagram of the second embodiment of the present invention. In this embodiment, the first body 10 is provided with a permanent perforation in a lateral position, and a rod 81 is attached, and the rod 81 is worn. The rod body 81 is displaceable at the through hole of the first body 10, and the first body 10 is coupled to a sliding rod.

Please refer to the eleventh to thirteenth drawings, the eleventh drawing is an exploded view of the third embodiment of the present invention, and the twelfth is a front view of the third embodiment of the present invention, and the thirteenth drawing is the first 12 is a cross-sectional view of the AA. In this embodiment, the polygonal end 23 of the second body 20, the first ring abutting portion 24 and the second ring abutting portion 25, the inclined surface 322 of the first rod body 32 is a cone. The first rod 32 is surrounded by the shape.

Please refer to the fourteenth to fifteenth drawings. The fourteenth embodiment is a perspective exploded view of a fourth embodiment of the present invention, and the fifteenth embodiment is a side view of the fixing ring of the fourth embodiment. In this embodiment, The first clamping groove of the first body 10 The 15 series is in the shape of an inner ring groove, and is provided with a second buckle 72. The second buckle 72 is fastened to the first clamping groove 15 so that the joint portion 21 of the second body 20 is restricted by the second buckle. The ring 72 cannot be disengaged from the second nesting portion 12, and the fixing ring 40 is provided with a chamber 41, and the chamber 41 is only provided with a second abutting surface 43 which is annularly inclined. An abutting surface 44 is disposed between the chamber 41 and the second abutting surface 43. Referring to Figures 16 through 17, the sixteenth embodiment is a front view of a fourth embodiment of the present invention, and the seventeenth embodiment is a cross-sectional view of the sixteenth embodiment A-A.

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

1. The fixing ring 40 is axially displaced toward the first sleeve portion 11 of the first body 10, so that the second abutting surface 43 presses the second pressing member 71, and the second pressing member 71 is topped. The first pressing member 31 is pressed against the inclined surface 322 to displace the first rod 32 in the control hole 27 of the second body 20, and the bead body 30 is trapped in the first rod 32. At the deepest point of the bead 321 , the universal joint structure also has a quick release structure, and the tool fitted to the driving portion 22 can be quickly disengaged.

2. 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.

3. The second pressing member 71 is actuated by the displacement of the fixing ring 40 to have a quick release function, and the clamping member 70 no longer limits the joint portion 21 of the second body 20, and has a replaceable second body. The effect of 20, the fixed ring 40 has two functions.

The first ring abutting portion 24 of the second body 20 is received in the first body 10 The second ring 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 are connected. It has two sets of snap-in structure, which is more stable when rotating.

5. The universal joint is pressed against the engaging member 70 by the first abutting surface 42 of the fixing ring 40, so that the joint portion 21 of the second body 20 is restricted by the engaging member 70, and the joint portion 21 of the second body 20 is The second sleeve portion 12 of the first body 10 cannot be removed.

6. The first clamping groove 15 is formed in a circular hole shape. After the fixing ring 40 is displaced, when the joint portion 21 is used to open the clamping member 70, the clamping member 70 follows the first clamping groove. The linear displacement of 15 is such that the displacement path of the card member 70 is a determined path.

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

16‧‧‧Second card slot

17‧‧‧ buckle groove

20‧‧‧Second ontology

21‧‧‧Connector

211‧‧‧First hole

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

31‧‧‧First press

32‧‧‧First body

321‧‧‧ beads

322‧‧‧Bevel

323‧‧‧Abutment

33‧‧‧First elastic element

40‧‧‧Fixed ring

41‧‧ ‧ room

42‧‧‧First arrival surface

43‧‧‧second resisting surface

44‧‧‧ Meet

50‧‧‧First buckle

60‧‧‧Second elastic element

70‧‧‧Card parts

71‧‧‧Second press

72‧‧‧second buckle

81‧‧‧Second body

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.

Figure 10 is a perspective view of a second embodiment of the present invention.

Figure 11 is a perspective exploded view of a third embodiment of the present invention.

Fig. 12 is a front view of a third embodiment of the present invention.

Figure 13 is a cross-sectional view taken along line A-A of Figure 12 of the present invention.

Figure 14 is a perspective exploded view of a fourth embodiment of the present invention.

Fig. 15 is a side view of the fixing ring of the fourth embodiment of the present invention.

Figure 16 is a front elevational view of a fourth embodiment of the present invention.

Figure 17 is a cross-sectional view taken along line A-A of Figure 16 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

16‧‧‧Second card slot

17‧‧‧ buckle groove

20‧‧‧Second ontology

21‧‧‧Connector

211‧‧‧First hole

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

31‧‧‧First press

32‧‧‧First body

321‧‧‧ beads

322‧‧‧Bevel

323‧‧‧Abutment

33‧‧‧First elastic element

40‧‧‧Fixed ring

50‧‧‧First buckle

60‧‧‧Second elastic element

70‧‧‧Card parts

71‧‧‧Second press

Claims (20)

A universal joint structure includes: a first body, a first sleeve portion is disposed at one end of the first body, and a second sleeve portion is disposed at the other end of the first body, the second sleeve portion The first system is provided with a second clamping groove, the second clamping groove is formed in a perforation shape, and the second clamping groove is communicated with the second binding portion, the first outer circumference The rim is provided with a buckle groove; a second body is provided with a joint portion at one end of the second body, and the joint portion is formed by a six-sided curved surface, and the joint portion is accommodated in the second sleeve. In the portion, the joint portion is rotatable at an umbrella angle at the second nesting portion and extends axially of the first body. The joint portion is provided with a first through hole that is not penetrated on one side, and the other end of the second body a driving portion is disposed, 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 penetrated through the second body, the control hole is Communicating with the first bore and the second bore; a bead body, the bead system being received in the second bore of the second body; The first pressing member is received in the first hole of the second body; the first rod body is disposed in the control hole, and the first rod body is provided with a side a bead hole, the bead is provided for accommodating a bead body, the first rod system is provided with a sloped surface, the bevel is for receiving the first pressing member, and the first rod body is provided with a top abutting portion at one end; An element, the first elastic element is sleeved on the first rod body, and the first elastic element is pedestal to the control hole level of the second body Between the abutting portions, the elastic force of the first elastic member causes the bead system to be partially protruded from the upper portion of the bead hole and partially protruded outside the second hole of the second body, and the first pressing member is slightly higher than the inclined surface a fixing ring, the fixing ring is sleeved on the outer circumference of the first body, the fixing ring is internally provided with a chamber, and the second end of the chamber is provided with a second abutting surface, and the second abutting surface is annular a slanting surface, the abutting surface is disposed between the chamber and the second abutting surface; a buckle is received in the buckle groove of the first body; a second elastic element, the second elastic component is The second elastic member is disposed between the abutment surface of the buckle and the fixing ring; and the second pressing member is received in the second clamping groove of the first body. The second pressing member is disposed on the second abutting surface of the fixing ring, so that the second pressing member is slid against the first pressing member. 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 joint portion has a communicating shape, and a second ring abutting portion is disposed at an end portion of the joint portion, and the second ring abutting portion is received at the sleeve groove. 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, each first The locking groove is perforated, and each of the first clamping grooves is in communication with the second fitting portion. 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 second card The groove system has the same diameter as the first card groove. The universal joint structure according to claim 3, wherein the buckle groove is wound around the first body, and the second clamping groove is interposed between the first clamping groove and the buckle groove. The universal joint structure according to claim 1, wherein the driving portion is formed in a quadrangular shape to be rotated by the sleeve. 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 according to claim 8, wherein the second body portion is provided with a first ring abutting portion, and the first ring abutting portion is disposed between the driving portion and the joint portion or at the polygonal end portion. 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 9, wherein the first ring abutting portion and the joint portion are provided with a constricted neck having the smallest diameter. The universal joint structure of 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 confined to the second body. The universal joint structure according to claim 1, wherein the opening of the first bore is stamped to be slightly smaller than the diameter of the first press member, so that the first press member is restrained at the second body. The universal joint structure according to claim 1, wherein the inclined surface of the first rod body is on the same side as the bead hole, and the top abutting portion is exposed to the second body. The universal joint structure of claim 3, wherein one end of the chamber is provided with a first abutting surface and a second abutting surface, and the first abutting surface and the second abutting surface are annularly inclined, the first The abutting surface is opposite to the second abutting surface, and the first abutting surface is gradually smaller in diameter as it approaches the second abutting surface. The universal joint structure according to claim 14, wherein at least one of the clamping members 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 provided. In each of the first clamping grooves of the first body, each of the clamping members is abutted against the first abutting surface of the fixing ring, and each of the clamping members is slightly exposed within the second fitting portion. The universal joint structure according to claim 15, 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 second clamping groove of the first body and the second fitting portion are connected in a smaller diameter, so that the second pressing member does not fall into the shape. The second set of scope. The universal joint structure according to claim 1, wherein the first body is provided with a continuous perforation at a lateral position, and a rod body is disposed, the rod system is disposed at a through hole of the first body, and the rod system can be penetrated The hole is displaced, and the first system is a slide bar. The universal joint structure according to claim 1, wherein the inclined surface of the first rod surrounds the first rod in a cone shape. The universal joint structure according to claim 1, wherein the first system is provided with a first clamping groove, and the first clamping groove is adjacent to the open end of the second fitting portion, the first clamping groove The inner ring is grooved and has a second buckle, the first The two buckles are fastened to the first clamping groove, so that the joint portion of the second body is restricted by the second buckle and cannot be disengaged from the second fitting portion.