Simple universal joint

By designing the rotating fixing, stretching and rotating mechanism, the problems of disassembly, cleaning and height adjustment of the universal joint are solved, the convenient disassembly, cleaning and height fixation of the universal joint are realized, and the flexibility and stability of the universal joint are improved.

CN223411300UActive Publication Date: 2025-10-03XINGHUA SANCHENG PRECISION FORGING
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Patent Information

Application Number
CN202422289521.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-10-03
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

The existing universal joint cannot be disassembled for cleaning and maintenance, cannot be extended and retracted to adjust the height, and cannot be limited and fixed when adjusting the height.

Method used

A rotating fixing mechanism, a stretching mechanism and a rotating mechanism are designed. Through the combination of a rotating column, a threaded groove, a limiting groove and a limiting nut, the disassembly, cleaning, extension and limiting functions of the universal joint are realized.

Benefits of technology

The universal joint can be easily disassembled and cleaned, and the required height can be adjusted and fixed to ensure the stability and flexibility of power transmission.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of universal joints, and discloses a simple universal joint which comprises a rotating fixing mechanism, a stretching mechanism and a rotating mechanism, the rotating fixing mechanism is located on the left side of the stretching mechanism, the rotating mechanism is located on the right side of the stretching mechanism, and the rotating fixing mechanism comprises a rotating shaft. A threaded groove is formed in the surface of the first outer shaft body, a first fixing column is connected to the inner wall of the threaded groove in a threaded mode, a first thread line is fixedly connected to the surface of the first fixing column, and a cross-shaped groove is formed in the top of the first fixing column. Through the arrangement of the rotary fixing mechanism, the first outer shaft body can rotate in different directions through the first rotary column, through the arrangement of the rotary fixing mechanism, the first thread line on the surface of the first fixed column can be installed in the threaded groove in a threaded mode, and later disassembly and cleaning are facilitated while fastening is conducted; and through the arrangement of the cross-shaped groove, the fixing column I can be better and conveniently disassembled.
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Description

Technical Field

[0001] The utility model relates to the technical field of universal joints, in particular to a simple universal joint. Background Art

[0002] A universal joint, also known as a universal joint, is a mechanical connection used to transmit power. It's widely used in automobiles, robots, and other mechanical equipment. Its primary function is to create a connection between two shafts, ensuring efficient power transmission even if the angle between them changes.

[0003] In the existing technology, the universal joint cannot be disassembled for cleaning and maintenance, the universal joint cannot be telescopically adjusted to a required height when in use, and the telescopic rod cannot be limited and fixed when adjusting the height. Summary of the Invention

[0004] In order to solve the above technical problems, the utility model provides a simple universal joint.

[0005] The utility model adopts the following technical solution to achieve: a simple universal joint, including a rotating and fixing mechanism, a stretching mechanism and a rotating mechanism, wherein the rotating and fixing mechanism is located on the left side of the stretching mechanism, and the rotating mechanism is located on the right side of the stretching mechanism;

[0006] The rotating fixing mechanism includes a rotating shaft, a rotating column 1 is fixedly connected to the surface of the rotating shaft, an outer shaft body 1 is rotatably connected to the surface of the rotating column 1, a threaded groove is provided on the surface of the outer shaft body 1, a fixing column 1 is threadedly connected to the inner wall of the threaded groove, a thread line 1 is provided on the surface of the fixing column 1, a cross groove is provided on the top of the fixing column 1, and a rotating groove 1 is provided on the right side of the outer shaft body 1.

[0007] As a further improvement of the above solution, the fixing column 1 is located on the inner wall of the outer shaft 1.

[0008] As a further improvement of the above solution, there are four rotating cylinders 1, and the four rotating cylinders 1 are evenly distributed on the surface of the rotating shaft with the rotating shaft as the center.

[0009] Through the above technical solution, by setting a rotating column, the outer shaft body can be rotated in different directions. By setting a threaded groove, the thread line on the surface of the fixed column can be threadedly installed therein, so that the fixed column can tighten the outer shaft body, and at the same time facilitate subsequent disassembly and cleaning. By setting a cross groove, the fixed column can be more conveniently disassembled, and by setting a rotating column, the outer shaft body can be better rotated.

[0010] As a further improvement of the above scheme, the stretching mechanism includes a fixed column two, a limiting groove one is provided on the surface of the fixed column two, a telescopic groove is provided on the right end of the fixed column two, a movable column is sleeved on the inner wall of the telescopic groove, a limiting groove two is provided on the surface of the movable column, a limiting column is sleeved on the inner wall of the limiting groove two, a thread line two is provided on the surface of the limiting column, the surface of the limiting column is threadedly connected to the limiting nut, and a rotating groove two is provided on the surface of the movable column.

[0011] As a further improvement of the above solution, the second fixing column is located on the right side of the outer shaft body 1 and is rotatably connected.

[0012] Through the above technical solution, by setting the telescopic groove at the right end of the rotating column, the movable column can be telescoped to adjust the required height. By setting the limit groove 1 and the limit groove 2, the limit column can be socketed so that the height can be limited after adjustment. At the same time, the limit column can be tightened by rotating the limit nut on the surface of the thread line 2 so that the adjusted height can be maintained.

[0013] As a further improvement of the above scheme, the rotating mechanism includes an outer shaft body 2, a rotating groove 3 is opened on the surface of the outer shaft body 2, the inner wall of the rotating groove 3 is rotatably connected to a rotating column 2, and a fixed plate is fixedly connected to the right side of the outer shaft body 2.

[0014] As a further improvement of the above solution, the second rotating column is located on the inner wall of the movable column.

[0015] Through the above technical solution, by setting the rotating column 2 on the surface of the movable column, the rotating groove 3 on the rotating surface of the rotating column 2 can be made to rotate the movable column and the outer shaft body 2, so that the direction of rotation of the front end of the universal joint can be adjusted conveniently.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The utility model provides a rotating fixing mechanism, and the outer shaft body can be rotated in different directions by a rotating column. The threaded groove is provided so that the thread line on the surface of the fixing column can be threadedly installed therein, so that the fixing column can tighten the outer shaft body, and it is convenient for later disassembly and cleaning while tightening. The cross groove is provided to facilitate the disassembly of the fixing column, and the rotating column can make the outer shaft body rotate better.

[0018] The utility model provides a stretching mechanism, and the telescopic groove at the right end of the rotating column can make the movable column telescopic and adjustable to the required height. By providing the limiting groove 1 and the limiting groove 2, the limiting column can be sleeved so that the position can be limited after the height is adjusted. At the same time, the limiting column can be tightened by rotating the limiting nut on the surface of the second thread line so that the adjusted height can be maintained. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the rotating fixing mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the stretching mechanism structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the rotating mechanism of the utility model;

[0023] Figure 5 This is a structural diagram of the rotating fixing mechanism of the utility model.

[0024] Description of main symbols:

[0025] 1. Rotating and fixing mechanism; 101. Rotating axis; 102. Rotating column 1; 103. Outer shaft body 1; 104. Threaded groove; 105. Fixed column 1; 106. Thread line 1; 107. Cross groove; 108. Rotating groove 1; 2. Stretching mechanism; 201. Fixed column 2; 202. Limiting groove 1; 203. Movable column; 204. Limiting groove 2; 205. Limiting column; 206. Thread line 2; 207. Limiting nut; 208. Rotating groove 2; 209. Telescopic groove; 3. Rotating mechanism; 301. Outer shaft body 2; 302. Rotating groove 3; 303. Rotating column 2; 304. Fixed plate. DETAILED DESCRIPTION

[0026] Below, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments. Example

[0027] Please combine Figure 1-5 A simple universal joint of this embodiment includes a rotating and fixing mechanism 1, a stretching mechanism 2, and a rotating mechanism 3. The rotating and fixing mechanism 1 is located on the left side of the stretching mechanism 2, and the rotating mechanism 3 is located on the right side of the stretching mechanism 2.

[0028] The rotating fixing mechanism 1 includes a rotating shaft 101, a rotating column 102 is fixedly connected to the surface of the rotating shaft 101, an outer shaft body 103 is rotatably connected to the surface of the rotating column 102, a threaded groove 104 is provided on the surface of the outer shaft body 103, a fixing column 105 is threadedly connected to the inner wall of the threaded groove 104, a thread line 106 is provided on the surface of the fixing column 105, a cross groove 107 is provided on the top of the fixing column 105, and a rotating groove 108 is provided on the right side of the outer shaft body 103.

[0029] The fixing column 105 is located on the inner wall of the outer shaft 103 .

[0030] 3. The simple universal joint according to claim 1, wherein the number of rotating posts 102 is four, and the four rotating posts 102 are evenly distributed on the surface of the rotating shaft 101 with the rotating shaft 101 as the center.

[0031] The stretching mechanism 2 includes a fixed column 201, a limiting groove 202 is provided on the surface of the fixed column 201, a telescopic groove 209 is provided at the right end of the fixed column 201, a movable column 203 is sleeved on the inner wall of the telescopic groove 209, a limiting groove 204 is provided on the surface of the movable column 203, a limiting groove 204 is provided on the inner wall of the limiting groove 204 is sleeved on the limiting column 205, a thread line 206 is provided on the surface of the limiting column 205, the surface of the limiting column 205 is threadedly connected to the limiting nut 207, and a rotating groove 208 is provided on the surface of the movable column 203.

[0032] The second fixing post 201 is located on the right side of the first outer shaft 103 and is rotatably connected thereto.

[0033] The rotating mechanism 3 includes an outer shaft body 2 301 . A rotating groove 302 is formed on the surface of the outer shaft body 2 301 . A rotating column 2 303 is rotatably connected to the inner wall of the rotating groove 302 . A fixing plate 304 is fixedly connected to the right side of the outer shaft body 2 301 .

[0034] The second rotating column 303 is located on the inner wall of the movable column 203 .

[0035] The implementation principle of a simple universal joint in the embodiment of the present application is as follows: this universal joint can make the outer shaft body 103 rotate in different directions through the rotating column 102 on the surface of the internal rotating shaft 101, and the inner wall of the outer shaft body 103 is threadedly connected with the fixed column 105. After the outer shaft body 103 is sleeved with the rotating shaft 101, the fixed column 105 can be threadedly connected to the surface of the outer shaft body 103. The staff can tighten the fixed column 105 through the cross groove 107 to prevent the internal disassembly of the universal joint during movement. The fixed column 105 plays a role of tightening and fixing. When the staff needs to disassemble the universal joint or clean the universal joint, the fixed column 105 can be loosened or tightened through the cross groove 107. After removing the fixed column 105, the rotating shaft 101 and the outer shaft body 103 can be disassembled. The staff can clean and lubricate the inside of the universal joint. The rotation of the rotating column 102 and the outer shaft body 103 can only rotate in one direction. The rotation connection between the rotating groove 108 and the fixed column 201 can make the universal joint rotate in the other direction again. The telescopic groove 209 at the right end of the fixed column 201 is connected to the movable column 203, which can be telescopic and adjusted to different lengths. After adjusting the required height, the staff can connect the limit column 205 into the limit groove 204 and the limit groove 1 202, and then tighten the limit column 205 by rotating the limit nut 207 to achieve a better limiting effect. The rotating column 2 303 on the surface of the movable column 203 can drive the rotating groove 3 302 in the outer shaft body 2 301 to rotate, so that the device can rotate again to achieve the required rotation direction.

[0036] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A simple universal joint, characterized in that: It comprises a rotating fixing mechanism (1), a stretching mechanism (2) and a rotating mechanism (3), wherein the rotating fixing mechanism (1) is located on the left side of the stretching mechanism (2), and the rotating mechanism (3) is located on the right side of the stretching mechanism (2); The rotating fixing mechanism (1) comprises a rotating shaft (101), the surface of the rotating shaft (101) is fixedly connected to a rotating column (102), the surface of the rotating column (102) is rotatably connected to an outer shaft body (103), the surface of the outer shaft body (103) is provided with a threaded groove (104), the inner wall of the threaded groove (104) is threadedly connected to a fixing column (105), the surface of the fixing column (105) is provided with a thread line (106), the top of the fixing column (105) is provided with a cross groove (107), and the right side of the outer shaft body (103) is provided with a rotating groove (108).

2. A simple universal joint according to claim 1, characterized in that: The fixing column 1 (105) is located on the inner wall of the outer shaft 1 (103).

3. A simple universal joint according to claim 1, characterized in that: There are four rotating columns (102), and the four rotating columns (102) are evenly distributed on the surface of the rotating shaft (101) with the rotating shaft (101) as the center.

4. A simple universal joint according to claim 1, characterized in that: The stretching mechanism (2) comprises a second fixed column (201), a first limiting groove (202) is provided on the surface of the second fixed column (201), a telescopic groove (209) is provided on the right end of the second fixed column (201), a movable column (203) is sleeved on the inner wall of the telescopic groove (209), a second limiting groove (204) is provided on the surface of the movable column (203), a limiting column (205) is sleeved on the inner wall of the second limiting groove (204), a second thread (206) is provided on the surface of the limiting column (205), a limiting nut (207) is threadedly connected to the surface of the limiting column (205), and a second rotating groove (208) is provided on the surface of the movable column (203).

5. A simple universal joint as claimed in claim 4, characterized in that: The second fixed column (201) is located on the right side of the outer shaft (103) and is rotatably connected.

6. A simple universal joint according to claim 1, characterized in that: The rotating mechanism (3) comprises an outer shaft body (2) (301), a rotating groove (302) is provided on the surface of the outer shaft body (2) (301), a rotating column (2) (303) is rotatably connected to the inner wall of the rotating groove (302), and a fixing plate (304) is fixedly connected to the right side of the outer shaft body (2) (301).

7. A simple universal joint according to claim 6, characterized in that: The second rotating column (303) is located on the inner wall of the movable column (203).