TWM585690U - Universal joint structure - Google Patents

Abstract

The present invention provides a universal joint structure, which is mainly composed of a hollow pipe body, an elastic member, a driving member, a sleeve member, a connecting member, and a retaining ring member. Its features are simple structure and improved The driving part is troublesome for secondary processing. The driving part does not need to be provided with a tolerance hole at the end of the ball head for the installation of elastic and abutment pieces, which is conducive to the faster and more stable assembly of the new model, thereby reducing assembly. The problem of difficulty achieves the purpose of mass production that saves time and labor, and can extend its service life.

Description

Universal joint structure

The present invention relates to a joint structure, and particularly relates to a universal joint structure.

Please refer to FIG. 1, which shows a diagram of a two-stage tool joint of the Republic of China Patent (M357344), which includes a support rod 11, a working head 12 and a limiting structure 13. One end of the support rod 11 is provided with a polygonal spherical head 111 and an annular edge 112, and the other end is provided with a driving part 113 for connecting the driving device. A radial opening is provided at the maximum diameter of the polygonal spherical head 111 for An abutting member 114 pushed by the elastic member is installed to move the abutting member 114 toward the opening direction of the accommodation hole at any time; a polygonal accommodation groove 121 is set at one end of the operation head 12 and the other end is It can be used for installing working tools. A limiting groove (not shown) and an annular groove 122 are provided at appropriate places in the receiving groove 121, and a support bar can be provided at the opening of the receiving groove 121. The annular abutment edge 123 of the annular edge 112 of 11 is fitted. After the polygonal spherical head 111 of the support rod 11 is fitted into the accommodation groove 121 of the operation head 12, the limiting structure 13 provided in the annular groove 122 is used. So that the polygonal spherical head 111 of the support rod 11 is limited to the receiving groove 121 of the working head 12, and The polygonal spherical head 111 of the support rod 11 is movable between a first position and a second position.

However, such a design requires secondary processing of the support rod 11 before it can be added to the work head 12 during production, which not only causes an increase in production costs, but also increases the overall process, which can lead to inefficiencies in mass production. This situation occurs, and the manufacturing process is quite complicated. Further, in the complicated secondary processing operation, disadvantages such as the cost, weight, volume, or defective rate of the support rod 11 may also accompany it.

Therefore, how to solve the above problems and shortcomings is the direction that the creators of the new type and the relevant industry players who are engaged in this industry are eager to study and improve.

The purpose of the present invention is to provide a universal joint structure with a simple main structure, which can avoid the trouble of secondary processing, achieve mass production that saves time and labor, and can extend its service life.

The reason is that in order to achieve the foregoing object, a universal joint structure according to the present invention is provided, including:

A hollow pipe body has a first sleeve portion and a second sleeve portion connected to the first sleeve portion. The second sleeve portion is provided with a through oblique hole and a ring on the outer surface. A groove and an abutting edge of an inner pipe wall surface of the hollow pipe body;

An elastic member sleeves the second sleeve portion, and has an abutting end located at one end and abutting against the first sleeve portion, and a resisting end opposite to the abutting end and buckling the oblique hole;

A driving part passes the hollow tube body from the first sleeve part to the second sleeve part, and has a driving part which is restricted by the abutting edge so that the driving part cannot be separated from the hollow tube body. A ball head end, a driving end opposite to the ball head end, and a pressing section extending from the ball head end and pressed by the resisting end, the driving member can move between a first position and a second position When the driving member is in the first position, the resisting end is pressed to the pressing section; when the driving member is in the second position, the resisting end is disengaged from the pressing section and the ball head end is restricted in the hollow Abutment edge of the pipe body; a sleeve member sleeved the hollow pipe body and the elastic member, and having a convex ring portion capable of compressing the elastic member, the convex ring is pushed when the sleeve member is pushed The spring compresses the elastic member, thereby releasing the pressing end of the pressing section from the pressing end and moving the driving member from the first position to the second position; a connecting member is inserted into the first sleeve portion; and A buckle member abuts between the ring groove and the inner wall surface of the sleeve member.

Preferably, the connecting member has a convex portion having a square shape, and a steel ball disposed on the convex portion.

Preferably, the connecting member is recessed with a hexagonal groove, and the universal joint structure further includes a magnetic member and a head. The driver head has a head and a body connected to the head. The magnetic piece is sucked between the groove bottom surface of the hexagonal groove and the body of the screwdriver head.

Preferably, the screwdriver head is in the shape of a letter, a cross, or a polygonal column.

Preferably, the elastic member is a spring.

Preferably, the abutting edge of the second sleeve portion is annular, and the inner tube wall of the hollow pipe body has a hexagonal hole edge connected to the abutting edge.

Accordingly, the present invention provides a universal joint structure mainly composed of the hollow pipe body, the elastic member, the driving member, the sleeve member, the connecting member, and the buckle member, which is characterized by simple structure And to improve the trouble of the secondary processing of the driving member, the driving member does not need to be provided with a receiving hole at the end of the ball head for the installation of the elastic member and the abutting member, which is conducive to the faster and easier assembly of the new model. Stability, in order to reduce the difficulty of assembly, achieve mass production that saves time and labor, and can extend its service life.

In order to make the above features and advantages of the present invention more comprehensible, embodiments are described below. It will be described in detail with the accompanying drawings.

The foregoing and other technical contents, features, and effects of the present invention will be clearly presented in the following detailed description of the preferred embodiments with reference to the drawings.

Please refer to FIG. 2 to FIG. 5C. A universal joint structure provided in this embodiment is mainly composed of a hollow pipe body 20, an elastic member 30, a driving member 40, a sleeve member 50, and a connecting member 60. , And a buckle 70, in which:

The hollow pipe body 20 has a first sleeve portion 21 and a second sleeve portion 22 connected to the first sleeve portion 21. The second sleeve portion 22 is provided with a through-hole inclined hole 221, a An annular groove 222 on the outer surface and an abutment edge 223 on the inner pipe wall surface of the hollow pipe body 20; in this embodiment, the outer diameter of the first sleeve portion 21 is larger than that of the second sleeve portion 22 The oblique hole 221 of the second sleeve portion 22 is located between the annular groove 222 and the first sleeve portion 21. The abutting edge 223 of the second sleeve portion 22 is annular. The inner pipe wall of the hollow pipe body 20 has a hexagonal hole edge 224 connected to the abutting edge 223.

The elastic member 30 is exemplified by a spring, but is not limited thereto. The elastic member 30 is sleeved on the second sleeve portion 22 of the hollow pipe body 20 and has an end located at one end and abutting against the hollow pipe body. The abutting end 31 of the first set part 21 of 20 and a resisting end 32 opposite to the abutting end 31 and buckling the oblique hole 221; in this embodiment, the resisting end 32 of the elastic member 30 is bent It is barb-shaped. Under normal conditions, the resisting end 32 protrudes from the oblique hole 221 of the second sleeve 22 and is balanced by the elastic force of the elastic member 30 to allow the sleeve member 50 to receive the elastic member. 30 pushes and maintains a fixed distance under normal conditions.

The driving member 40 passes through the hollow tube body 20 from the first sleeve portion 21 to the second sleeve portion 22, and has a top edge 223 restricted by the second sleeve portion 22 so that The driving member 40 cannot be separated from the ball end 41 of the hollow tube body 20, a driving end 42 opposite to the ball end 41, and a pressing section extending from the ball end 41 and being pressed by the resisting end 32. 43. The driving member can move between a first position P1 and a second position P2. When the driving member 40 is in the first position P1, the ball end 41 of the driving member 40 is far from the abutting edge. 223 and the resisting end 32 of the elastic member 30 is pressed against the pressing section 43 of the driving member 40, so that the driving member 40 and the connecting member 60 are linearly connected. When the driving member 40 is in the second position P2, the elasticity The resisting end 32 of the member 30 is separated from the pressing section 43 of the driving member 40 and the ball end 41 of the driving member 40 is restricted at the abutting edge 223 of the hollow tube body 20, so that the driving member 40 can be relatively opposed to the middle The empty tube body 20 oscillates and rotates; in this embodiment, the ball head end 41 and the pressing section 43 are mushroom-shaped, and the ball head end 41 has six arc segment contact surfaces 411 having the same structure. Other arc contact surface 411, so that the driving member 40 can be a hollow tube 20 relative to the yaw rotation of the driving end 42 a hexagonal shape, for providing power pneumatic tools or tool drive coupling. Since the driving member 40 can be displaced between the first position P1 and the second position P2, different use effects can be achieved according to the needs of the user.

The sleeve member 50 covers the hollow pipe body 20 and the elastic member 30 and has a convex ring portion 51 protruding from the inner wall surface and capable of compressing the elastic member 30. When the sleeve member 50 is pushed, The convex ring portion of the sleeve member 50 will compress the elastic member 30, thereby releasing the pressing end 43 from pressing the pressing section 43 and moving the driving member 40 from the first position P1 to the second position P2; In the embodiment, the sleeve member 50 is made of plastic material.

The connecting member 60 is passed through the first sleeve portion 21 of the hollow pipe body 20 to drive the hollow pipe body 20 and can drive the driving member 40 to rotate synchronously. In this embodiment, the connecting member 60 It has a convex part 61 with a square shape and a steel ball 62 provided on the convex part 61. Part of the steel ball 62 is exposed on the convex part 61, and the other part is embedded in the convex part. 61.

The buckle member 70 is tightly fitted between the ring groove 222 of the hollow pipe body 20 and the inner wall surface of the sleeve member 50, so that the sleeve member 50 is restricted by the buckle member 70. It is not detached from the hollow pipe body 20, and can achieve the effect of simplifying components and quick combination. In this embodiment, the buckle member 70 is a C-shaped buckle as an example, but it is not limited thereto.

The above is the combination of the structure of the new universal joint structure, and the use of the universal joint structure is further described.

5A, the resisting end 32 of the elastic member 30 is pressed against the pressing section 43 of the driving member 40 and the driving member 40 is positioned at the first position P1. At the same time, the driving member 40 and the driving member 40 The connecting member 60 is connected in parallel and straight. In this way, when the driving member 40 is used, the problem of shaking of the driving member 40 can be avoided, and the feature of convenient force application when using the universal joint structure can be achieved; please refer to FIG. 5B. As shown, if the user pushes the sleeve member 50 upward, the convex ring portion 51 of the sleeve member 50 will be compressed to the elastic member 30, and the resisting end 32 of the elastic member 30 will release the pressing of the driving member 40. Section 43 is pressed. At this time, the driving member 40 will slide downward due to the gravity relationship. Please refer to FIG. 5C, because the pressing section 43 of the driving member 40 is not pressed by the resisting end 32 of the elastic member 30. The driving member 40 will move from the first position P1 to the second position P2. The ball end 41 of the driving member 40 is limited to the abutting edge 222 of the hollow tube body 20. The user uses the million In the joint structure, the ball end 41 of the driving member 40 can be used as a pivot point for pivoting.

The above is the use of the new universal joint structure. As for the effectiveness of the new model, it is as follows:

First, it is easy to install and reduce man-hours. Because the new driving member 40 does not require secondary processing, it can not only effectively shorten the time of assembly and procedure, but also reduce the difficulty of assembly, and can improve the accuracy of its assembly.

Second, the cost is reduced. Because the new type of driving member 40 does not need to be processed twice, compared with the conventional opening hole for elastic members and abutment members to be assembled again, the new type of system does not need to install additional fixing components, which can simplify parts. Quantity, and can effectively reduce manufacturing and assembly costs, and because of the simplified process, it can effectively reduce the consumption of materials, reduce manufacturing costs to facilitate the improvement of industrial technology level and competitiveness, and achieve mass production that saves time and labor .

Third, it enhances aesthetics. Since the new driving member 40 does not need to be processed twice, the new driving device 40 has a fairly flat and clean appearance, and has no quality problems such as different lengths or skews, which can improve the overall aesthetics and extend its service life.

It is worth noting that please refer to FIG. 6 to FIG. 7, which is another embodiment of the present invention. The connecting member 60 is recessed with a hexagonal groove 63. The universal joint structure further includes a magnetic member 80 and a subassembly. The head 90 has a head portion 91 and a body portion 92 connected to the head portion 91. The magnetic member 80 is sucked against the groove bottom surface of the hexagonal groove 63 and the body portion 92 of the screwdriver head 90. In the meantime, the screwdriver head 90 is a polygonal column shape as an example, but it is not limited to this, or it is a letter shape or a cross shape to achieve the same effect as described above.

In summary, the above-mentioned embodiments and drawings are only the preferred embodiments of this creation. When the scope of the implementation of this creation cannot be limited, that is, all equal changes and modifications made in accordance with the scope of the patent application for this new model shall belong to Within the scope of this new patent.

﹝ Xizhi
11‧‧‧ support bar
111‧‧‧ Polygonal spherical head
112‧‧‧Ring
113‧‧‧Driver
114‧‧‧Top pieces
12‧‧‧Working head
121‧‧‧ Receiving trough
122‧‧‧Circular groove
123‧‧‧circle abutting edge
13‧‧‧ limit structure (this new type)
P1‧‧‧First position
P2‧‧‧Second position
20‧‧‧ hollow tube
21‧‧‧The first set department
22‧‧‧Second Set Department
221‧‧‧ oblique hole
222‧‧‧Circle trench
223‧‧‧arrival edge
224‧‧‧Hex hole edge
30‧‧‧Elastic piece
31‧‧‧Abutting end
32‧‧‧boycott
40‧‧‧Driver
41‧‧‧ Ball Head
411‧‧‧arc contact surface
42‧‧‧Driver
43‧‧‧ suppression section
50‧‧‧ Sleeve
51‧‧‧ convex ring
60‧‧‧Connector
61‧‧‧ bump
62‧‧‧steel ball
63‧‧‧ Hex groove
70‧‧‧Fastener
80‧‧‧ magnetic parts
90‧‧‧ screwdriver head
91‧‧‧Head
92‧‧‧ Body

Figure 1 shows one of the two-section tool joints of the Republic of China Patent (M357344).
FIG. 2 is a perspective assembled view of an embodiment of the present invention.
FIG. 3 is an exploded perspective view of an embodiment of the present invention.
FIG. 4 is a cross-sectional view of a hollow pipe body according to an embodiment of the present invention, showing an oblique hole passing therethrough.
FIG. 5A is a use state diagram (1) of the novel embodiment.
FIG. 5B is a state diagram (2) of the embodiment of the present invention.
FIG. 5C is a use state diagram (3) of the novel embodiment.
FIG. 6 is a perspective assembled view of another embodiment of the present invention.
FIG. 7 is an exploded perspective view of the embodiment of FIG. 6.

Claims (6)

A universal joint structure includes: a hollow pipe body having a first sleeve portion and a second sleeve portion connected to the first sleeve portion, the second sleeve portion is provided with a through oblique direction A hole, an annular groove located on the outer surface, and an abutting edge located on the inner pipe wall surface of the hollow pipe body; an elastic member sleeved on the second sleeve portion and having an end located on one end and abutting against the first The abutting end of a set of setting portions, and a resisting end opposite to the abutting end and buckling the oblique hole; a driving member, which runs from the first setting portion to the second setting portion through the middle. An empty tube body, having a ball head end restricted by the abutment edge so that the driving member cannot be separated from the hollow tube body, a driving end opposite to the ball head end, and an extension extending from the ball head end and For the pressing section for pressing the resisting end, the driving member can move between a first position and a second position. When the driving member is in the first position, the resisting end is pressed on the pressing section. When the driving member is in the second position, the resisting end is disengaged from the pressing section and the ball head end is restricted at the abutting edge of the hollow tube body; a set The sleeve is provided with the hollow tube body and the elastic member, and has a convex ring portion capable of compressing the elastic member. When the sleeve member is pushed, the convex ring portion compresses the elastic member, thereby releasing the resistance. End the pressing of the pressing section and move the driving member from the first position to the second position; a connecting member passing through the first sleeve portion; and a buckle member abutting against the ring groove And the inner wall surface of the sleeve member. The universal joint structure according to claim 1, wherein the connecting member has a convex portion having a square shape, and a steel ball provided on the convex portion. The universal joint structure according to claim 1, wherein the connecting member is recessed with a hexagonal groove, and the universal joint structure further includes a magnetic member and a subhead, the screwdriver head has a head, and a connection On the body of the head, the magnetic member is abutted between the groove bottom surface of the hexagonal groove and the body of the screwdriver head. The universal joint structure as described in claim 3, wherein the screwdriver head is in the shape of a letter, a cross, or a polygonal column. The universal joint structure according to claim 1, wherein the elastic member is a spring. The universal joint structure according to claim 1, wherein the abutting edge of the second sleeve portion is annular, and the inner tube wall of the hollow pipe body has a hexagonal hole edge connected to the abutting edge.