A fixed rotating shaft device for facilitating reuse

The internal thread connection design of the connecting sleeve and the fixing sleeve solves the problem of welding required for the fixed rotating shaft device, enabling quick installation and disassembly, reducing costs and material waste, and making it suitable for repeated use.

CN224414178UActive Publication Date: 2026-06-26SHANGHAI PEISHENGLE AUTOMOBILE TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI PEISHENGLE AUTOMOBILE TECHNOLOGY CO LTD
Filing Date
2025-08-08
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

In the existing technology, the fixed shaft device needs to be welded and fixed before each experiment, which is time-consuming and labor-intensive, and is not easy to reuse, resulting in high cost and waste of welding materials.

Method used

The design employs a connecting sleeve and a fixing sleeve connected by internal threads, avoiding welding and enabling quick assembly and disassembly, adapting to steering shafts of different lengths.

Benefits of technology

It enables quick installation and disassembly of the fixed rotating shaft device, reducing manpower and material consumption, lowering costs, and making it suitable for repeated use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fixed pivot, and disclose a kind of fixed pivot device convenient for reuse, including connector, connector outer edge rotatably installed with connecting sleeve one and connecting sleeve two, the one end of connecting sleeve one away from connector is fixedly installed with fixed sleeve one, the inner thread one is set in the inner side of fixed sleeve one, the threaded hole one is set in the outer side of fixed sleeve one, the one end of connecting sleeve two away from connector is fixedly installed with fixed sleeve two, the inner thread two is set in the inner side of fixed sleeve two, the threaded hole two is set in the outer side of fixed sleeve two.The fixed pivot device convenient for reuse, by the design of inner thread one and inner thread two, connecting sleeve one and connecting sleeve two can be threadedly connected with pivot, before experiment, avoid consuming more manpower and material resources, and after experiment is completed, the quick disassembly of connecting sleeve one and connecting sleeve two can be realized, and subsequent reuse can be facilitated.
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Description

Technical Field

[0001] This utility model relates to the field of fixed shaft technology, specifically a fixed shaft device that is easy to reuse. Background Technology

[0002] During trolley testing, the stability of the steering column is crucial to the accuracy and reliability of the test results. However, various forces are generated during the test, which can cause the steering column to rotate, interfering with the acquisition of test data and potentially affecting the safety of the test. To prevent the steering column from rotating during the test, the industry standard practice is to have a dedicated welder weld and fix it at the steering shaft before each test. By welding, the steering shaft and related components are connected into a whole, thereby limiting the rotational freedom of the steering column and achieving a fixing effect.

[0003] In the existing technology, although welding can facilitate the connection of the fixed rotating shaft to the trolley, it requires manpower and welding materials before each experiment. This is not only time-consuming and labor-intensive, but also not easy to reuse with the same effect. Furthermore, it is not easy to quickly disassemble the fixed rotating shaft after the experiment, which can easily lead to waste of welding materials, resulting in high costs and making it difficult to promote its use. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a fixed rotating shaft device that is easy to reuse. It can effectively solve the problems in the prior art, which requires manpower and welding materials before each experiment, which is not only time-consuming and labor-intensive, but also not easy to reuse with the same effect. Furthermore, after the experiment is completed, it is not easy to quickly disassemble the fixed rotating shaft, which can easily lead to waste of welding materials, resulting in high costs and difficulty in widespread use.

[0005] The technical solution adopted by this utility model is: a fixed rotating shaft device that is easy to reuse, including a connector, a connecting sleeve one and a connecting sleeve two are rotatably installed on the outer edge of the connector, a fixing sleeve one is fixedly installed at the end of the connecting sleeve one away from the connector, an internal thread one is opened on the inner edge of the fixing sleeve one, and a threaded hole one is opened through the outer edge of the fixing sleeve one, a fixing sleeve two is fixedly installed at the end of the connecting sleeve two away from the connector, an internal thread two is opened on the inner edge of the fixing sleeve two, and a threaded hole two is opened through the outer edge of the fixing sleeve two.

[0006] Preferably, the connector has a connecting groove and a limiting groove on its outer edge, and a connecting block is fixedly installed at one end of the connecting sleeve near the connector. The connecting sleeve is rotatably installed with the connector through the connecting block.

[0007] Through the above technical solution, by designing the connecting groove and the limiting groove, when connecting the connecting sleeve to the outer edge of the connector, the connecting block can be inserted into the connecting groove, which facilitates the connection between the connector and the connecting sleeve and allows the connecting sleeve to rotate around the connector.

[0008] Preferably, a second connecting groove is provided on the outer edge of the connector, and a connecting post and a connecting seat are fixedly installed on one end of the second connecting sleeve near the connector. The second connecting sleeve is rotatably installed with the connector through the connecting post and the connecting seat.

[0009] Through the above technical solution, and through the design of the second connecting slot, after the connector is connected to the first connecting sleeve, it can be connected to the connecting post and the connecting seat through the second connecting slot. This facilitates the connection of the connector to the second connecting sleeve, allows for quick assembly of the whole unit, and facilitates normal use in the future.

[0010] Preferably, an extension sleeve is fixedly installed at the end of the fixed sleeve away from the connector, and the diameter of the extension sleeve is smaller than the diameter of the fixed sleeve.

[0011] The above technical solution increases the overall length of the fixed sleeve by extending the sleeve, making it adaptable to steering shafts of different lengths. Furthermore, its smaller diameter design reduces interference with other parts of the steering shaft, facilitating the use of the entire device.

[0012] Preferably, there are three identical threaded holes, which are distributed at equal intervals and penetrate the fixing sleeve to the inner edge.

[0013] Through the above technical solution, the design of the threaded hole 1 and the connection through the internal thread 1 can avoid welding, thus facilitating subsequent reinstallation and use. Furthermore, the three equally spaced threaded holes 1 can be used to insert fixing bolts to tighten the steering shaft, which can enhance the fixing effect and prevent the steering shaft from loosening inside the fixing sleeve 1.

[0014] Preferably, there are three identical threaded holes, which are distributed at equal intervals and penetrate the fixing sleeve and extend to its other end.

[0015] Through the above technical solution, the design of the second threaded hole allows for connection via the second internal thread. In conjunction with the first internal thread, the second fixed sleeve can be easily and quickly disassembled. Furthermore, the three equally spaced second threaded holes can be used with bolts to fix the components inside the second fixed sleeve from both ends, which can prevent loosening after threaded connection and ensure normal use.

[0016] Preferably, a through groove is provided at the inner edge of the first connecting sleeve and a through groove is provided at the inner edge of the second connecting sleeve.

[0017] Through the above technical solution, the design of through slot one and through slot two allows connecting sleeve one and connecting sleeve two to rotate around the connector, and avoids easy movement interference between connecting sleeve one and connecting sleeve two, thereby affecting its normal use.

[0018] Compared with the prior art, the present invention provides a fixed rotating shaft device that is easy to reuse, and has the following beneficial effects:

[0019] 1. This reusable fixed shaft device, through the design of internal thread one and internal thread two, allows connecting sleeve one and connecting sleeve two to be threadedly connected to the shaft. Before the experiment, it avoids consuming a lot of manpower and material resources. After the experiment, it is easy to quickly disassemble and assemble connecting sleeve one and connecting sleeve two, which can be easily reused in the future.

[0020] 2. This reusable fixed shaft device, through the design of threaded hole one, avoids welding after connection via internal thread one, thus facilitating subsequent reinstallation and use. Furthermore, the three equally spaced threaded holes one can be used to insert fixing bolts to tighten the steering shaft, enhancing the fixing effect and preventing loosening of the steering shaft within the fixed sleeve one. The design of threaded hole two allows for connection via internal thread two, which, in conjunction with internal thread one, makes the fixed sleeve two easy to disassemble quickly. The three equally spaced threaded holes two can also be used with bolts to fix the components within the fixed sleeve two, allowing for fixation from both ends. This avoids loosening after threaded connection, preventing disruption to normal use. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 3 ;

[0024] Figure 4 This is a schematic diagram of the rotating installation structure of connecting sleeve one and connecting sleeve two of this utility model;

[0025] Figure 5 This is a schematic diagram of the disassembled structure of connecting sleeve one and connecting sleeve two of this utility model. Figure 1 ;

[0026] Figure 6 This is a cross-sectional structural diagram of connecting sleeve one and connecting sleeve two of this utility model;

[0027] Figure 7 This is a schematic diagram of the disassembled structure of connecting sleeve one and connecting sleeve two of this utility model. Figure 2 .

[0028] The components are: 1. Connector; 2. Connecting groove one; 3. Limiting groove; 4. Connecting block; 5. Connecting sleeve one; 6. Through groove one; 7. Fixing sleeve one; 8. Internal thread one; 9. Threaded hole one; 10. Extension sleeve; 11. Connecting groove two; 12. Connecting post; 13. Connecting seat; 14. Connecting sleeve two; 15. Through groove two; 16. Fixing sleeve two; 17. Internal thread two; 18. Threaded hole two. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Example 1: As Figure 1-7 As shown, the present invention provides a reusable fixed rotating shaft device, including a connector 1. A connecting sleeve 1 5 and a connecting sleeve 2 14 are rotatably installed on the outer edge of the connector 1. A fixing sleeve 1 7 is fixedly installed at the end of the connecting sleeve 1 5 away from the connector 1. An internal thread 1 8 is provided on the inner edge of the fixing sleeve 1 7. A threaded hole 1 9 is provided through the outer edge of the fixing sleeve 1 7. A fixing sleeve 2 16 is fixedly installed at the end of the connecting sleeve 2 14 away from the connector 1. An internal thread 2 17 is provided on the inner edge of the fixing sleeve 2 16. A threaded hole 2 18 is provided through the outer edge of the fixing sleeve 2 16.

[0031] Specifically, a connecting groove 2 and a limiting groove 3 are provided on the outer edge of connector 1. A connecting block 4 is fixedly installed on one end of connecting sleeve 5 near connector 1. Connecting sleeve 5 is rotatably installed with connector 1 through connecting block 4. The advantage is that, through the design of connecting groove 2 and limiting groove 3, when connecting sleeve 5 is connected to the outer edge of connector 1, connecting block 4 can be inserted into connecting groove 2, which facilitates the connection between connector 1 and connecting sleeve 5 and allows connecting sleeve 5 to rotate around connector 1.

[0032] Specifically, a second connecting groove 11 is provided on the outer edge of connector 1. A connecting post 12 and a connecting seat 13 are fixedly installed on one end of the connecting sleeve 14 near connector 1. The connecting sleeve 14 is rotatably installed with connector 1 through the connecting post 12 and the connecting seat 13. The advantage is that, through the design of the second connecting groove 11, after connector 1 is connected with the first connecting sleeve 5, it can be connected to the connecting post 12 and the connecting seat 13 through the second connecting groove 11. This facilitates the connection of connector 1 and the second connecting sleeve 14, and makes it easy to quickly assemble the whole unit and facilitate normal use in the future.

[0033] Specifically, an extension sleeve 10 is fixedly installed at the end of the fixed sleeve 7 away from the connector 1. The diameter of the extension sleeve 10 is smaller than that of the fixed sleeve 7. The advantage is that the overall length of the fixed sleeve 7 can be increased by the extension sleeve 10, so that it can be adapted to steering shafts of different lengths. In addition, its smaller diameter design can reduce interference with other parts of the steering shaft, making it easier to use the whole device.

[0034] Example 2: Figure 2-7 As shown, this is an improvement on the previous embodiment.

[0035] Specifically, there are three identical threaded holes 9, which are evenly spaced. The threaded holes 9 penetrate the fixing sleeve 7 and extend to the inner edge. The advantage is that the design of the threaded holes 9 allows for connection via the internal thread 8, avoiding welding and facilitating subsequent reinstallation. Furthermore, the three evenly spaced threaded holes 9 can be used to insert fixing bolts to tighten the steering shaft, enhancing the fixing effect and preventing the steering shaft from loosening within the fixing sleeve 7.

[0036] Specifically, there are three identical threaded holes 18, which are evenly spaced. The threaded holes 18 penetrate the fixing sleeve 16 and extend to its other end. The advantage is that the design of the threaded holes 18 allows for connection via the internal thread 17. The engagement with the internal thread 8 makes the fixing sleeve 16 easy to disassemble quickly. Furthermore, the three equally spaced threaded holes 18 can be used with bolts to fix the components inside the fixing sleeve 16. This can be done from both ends, preventing loosening after threaded connection and ensuring normal use.

[0037] Specifically, a through groove 6 is provided on the inner edge of the first connecting sleeve 5, and a through groove 15 is provided on the inner edge of the second connecting sleeve 14. The advantage is that the design of the through groove 6 and the through groove 15 allows the first connecting sleeve 5 and the second connecting sleeve 14 to rotate around the connector 1, and avoids easy movement interference between the first connecting sleeve 5 and the second connecting sleeve 14, thus affecting their normal use.

[0038] Working Principle: During use, the design of connecting groove 2 and limiting groove 3 allows the connecting sleeve 5 to be connected to the outer edge of connector 1 via the connecting block 4 inserted into connecting groove 2, facilitating the connection between connector 1 and connecting sleeve 5. This also allows connecting sleeve 5 to rotate around connector 1. The design of connecting groove 11 allows connector 1 to connect to connecting post 12 and connecting seat 13 after connection with connecting sleeve 5, facilitating the connection between connector 1 and connecting sleeve 14. This enables quick assembly and subsequent normal use. The extension sleeve 10 increases the overall length of fixing sleeve 7, allowing it to adapt to steering shafts of different lengths. Its smaller diameter design reduces interference with other parts of the steering shaft, facilitating the use of the entire device. The design of threaded hole 9 allows the internal thread 8 to enter... After connection, welding can be avoided, making subsequent reinstallation and use easier. The three equally spaced threaded holes 9 can be used to insert fixing bolts to tighten the steering shaft, enhancing the fixing effect and preventing the steering shaft from loosening in the fixing sleeve 7. The design of the threaded hole 18 allows for connection through the internal thread 17. The cooperation with the internal thread 8 makes the fixing sleeve 16 easy to disassemble quickly. The three equally spaced threaded holes 18 can be used with bolts to fix the components in the fixing sleeve 16. Fixing can be done from both ends, which can prevent loosening after threaded connection and affect its normal use. The design of the through groove 6 and through groove 15 allows the connecting sleeve 5 and connecting sleeve 14 to rotate around the connector 1, and prevents the connecting sleeve 5 and connecting sleeve 14 from interfering with each other's movement, thus affecting its normal use.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A reusable fixed rotating shaft device, comprising a connector (1), wherein a connecting sleeve one (5) and a connecting sleeve two (14) are rotatably mounted on the outer edge of the connector (1), characterized in that: The connecting sleeve 1 (5) is fixedly installed with a fixing sleeve 1 (7) at the end away from the connector (1). The fixing sleeve 1 (7) has an internal thread 1 (8) at its inner edge and a threaded hole 1 (9) at its outer edge. The connecting sleeve 2 (14) is fixedly installed with a fixing sleeve 2 (16) at the end away from the connector (1). The fixing sleeve 2 (16) has an internal thread 2 (17) at its inner edge and a threaded hole 2 (18) at its outer edge.

2. The reusable fixed rotating shaft device according to claim 1, characterized in that: The connector (1) has a connecting groove (2) and a limiting groove (3) on its outer edge. The connecting sleeve (5) has a connecting block (4) fixedly installed at one end near the connector (1). The connecting sleeve (5) is rotatably installed with the connector (1) through the connecting block (4).

3. The reusable fixed rotating shaft device according to claim 1, characterized in that: The connector (1) has a second connecting groove (11) on its outer edge. The second connecting sleeve (14) is fixedly installed with a connecting post (12) and a connecting seat (13) at one end near the connector (1). The second connecting sleeve (14) is rotatably installed with the connector (1) through the connecting post (12) and the connecting seat (13).

4. The reusable fixed rotating shaft device according to claim 1, characterized in that: An extension sleeve (10) is fixedly installed at the end of the fixed sleeve (7) away from the connector (1), and the diameter of the extension sleeve (10) is smaller than the diameter of the fixed sleeve (7).

5. A reusable fixed rotating shaft device according to claim 1, characterized in that: The threaded hole 1 (9) is provided in three identical parts, and the three threaded holes 1 (9) are distributed at equal intervals. The threaded hole 1 (9) passes through the fixing sleeve 1 (7) and extends to the inner edge.

6. The reusable fixed rotating shaft device according to claim 1, characterized in that: The threaded hole 2 (18) is provided in three identical parts, and the three threaded holes 2 (18) are distributed at equal intervals. The threaded hole 2 (18) passes through the fixed sleeve 2 (16) and extends to its other end.

7. The reusable fixed rotating shaft device according to claim 1, characterized in that: A through groove 1 (6) is provided at the inner edge of the first connecting sleeve (5), and a through groove 2 (15) is provided at the inner edge of the second connecting sleeve (14).