Laminated torsional spring with adjustable torsion

By designing a laminated torsion spring structure including a mounting base, stud, nut, and adjustment base, the problem of complexity in traditional torque adjustment is solved, achieving adjustable torque and stable connection.

CN223662431UActive Publication Date: 2025-12-12QINGDAO YUXING SPRING MANUFACTURING CO LTD
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Patent Information

Application Number
CN202520509498.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2025-12-12
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Traditional torque adjustment relies on physical means, which increases the complexity of assembly and maintenance and has certain limitations.

Method used

A laminated torsion spring structure was designed, comprising first and second mounting seats, studs, nuts, and an adjusting seat. The torque is changed by rotating the adjusting seat, and the positioning pin and mounting hole provide guidance, thereby achieving adjustable torque.

Benefits of technology

It improves the convenience of torque adjustment and the stability of connection, and reduces the complexity of assembly and maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of laminated springs, and discloses a torsion-adjustable laminated torsional spring which comprises a spring body, the top of the spring body is fixedly connected with a first mounting seat, the middle of the first mounting seat is connected with a second stud, the top of the second stud is provided with a first stud, the outer side of the first stud is in threaded connection with a nut, and the nut is in threaded connection with the first stud. And a fixed seat is mounted at the bottom of the nut. According to the laminated torsional spring with the adjustable torsion force, a protrusion is mounted at the bottom of a second mounting seat, a mounting groove is formed in the top of a first mounting seat, so that the first mounting seat and the second mounting seat can be assembled, the practicability of the laminated torsional spring is improved, two positioning pins are mounted at the top of the first mounting seat, and the two positioning pins are located in the mounting groove; the two positioning pins are located at the opposite angles of the mounting groove, a mounting hole is formed in the bottom of the second mounting base, the axis of the mounting hole and the axis of the positioning pins are located on the same vertical plane, the mounting hole and the positioning pins can play a guiding role, and the connecting stability is improved.
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Description

Technical Field

[0001] This utility model relates to the field of laminated spring technology, specifically to a laminated torsion spring with adjustable torque. Background Technology

[0002] Laminated springs are a common type of elastic element, widely used in mechanical engineering and various equipment. They possess excellent elasticity and compressive strength. Torque-adjustable laminated torsion springs are an improvement on traditional laminated springs, meeting the needs of different working environments and loading conditions.

[0003] In traditional designs, torque adjustment usually relies on physical means, achieved through the combination of laminates of different thicknesses. This may require a lot of manual adjustment, increasing the complexity of assembly and maintenance, and has certain limitations. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] In view of the shortcomings of the prior art, the present invention provides a stacked torsion spring with adjustable torque to solve the problems mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a stacked torsion spring with adjustable torque, comprising a spring body, a first mounting base fixedly connected to the top of the spring body, a second stud connected to the middle of the first mounting base, a first stud disposed on the top of the second stud, a nut threadedly connected to the outer side of the first stud, a second mounting base fixedly mounted on the other end of the spring body, a first stud threadedly connected to the middle of the second mounting base, a nut threadedly connected to the outer side of the first stud, and a fixing base mounted on the bottom of the nut.

[0008] Preferably, a second stud is provided below the first stud, and the threads of the first stud and the second stud have opposite directions.

[0009] Preferably, the bottom of the second mounting base is provided with a protrusion, and the top of the first mounting base is provided with a mounting groove.

[0010] Preferably, the top of the first mounting base is provided with two positioning pins, and the bottom of the second mounting base is provided with two mounting holes, with the two positioning pins and the two mounting holes located diagonally opposite each other.

[0011] Preferably, an adjusting seat is threadedly connected between the first stud and the second stud, and the adjusting seat has a hole on its side.

[0012] Preferably, a washer is installed at the bottom of the nut, and the washer is made of rubber.

[0013] Compared with the prior art, this utility model provides a torque-adjustable laminated torsion spring with the following advantages: The torque-adjustable laminated torsion spring has an adjusting seat installed between the first and second mounting seats. The threads of the first and second studs are opposite, and the torque can be changed by rotating the adjusting seat. The hole on the adjusting seat allows for torque adjustment via an auxiliary tool, improving convenience. A protrusion is installed at the bottom of the second mounting seat, and a mounting groove is provided at the top of the first mounting seat, allowing the first and second mounting seats to be assembled, improving the practicality of the laminated spring. Two locating pins are installed at the top of the first mounting seat, located diagonally within the mounting groove. A mounting hole is provided at the bottom of the second mounting seat, with the axes of the mounting hole and the locating pins on the same vertical plane. The mounting hole and locating pins provide guidance, improving connection stability. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the fixing base structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the mounting hole structure of this utility model.

[0018] In the diagram: 1. Spring body; 2. First mounting base; 3. Adjusting base; 4. Fixed base; 5. Second mounting base; 6. First stud; 7. Nut; 8. Second stud; 9. Washer; 10. Mounting groove; 11. Locating pin; 12. Mounting hole; 13. Protrusion. Detailed Implementation

[0019] 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.

[0020] like Figure 1-4As shown, this utility model provides a technical solution: 1. A stacked torsion spring with adjustable torque, comprising a spring body 1, characterized in that: a first mounting seat 2 is fixedly connected to the top of the spring body 1, a second stud 8 is connected in the middle of the first mounting seat 2, a first stud 6 is provided on the top of the second stud 8, a nut 7 is threadedly connected to the outer side of the first stud 6, a second mounting seat 5 is fixedly installed at the other end of the spring body 1, a first stud 6 is threadedly connected in the middle of the second mounting seat 5, a nut 7 is threadedly connected to the outer side of the first stud 6, and a fixing seat 4 is installed at the bottom of the nut 7.

[0021] Furthermore, a second stud 8 is provided below the first stud 6, and the threads of the first stud 6 and the second stud 8 are opposite in direction.

[0022] Specifically, the opposite thread can change the length of the spring body 1 extending when the adjusting seat 3 rotates, thereby changing the torque.

[0023] Furthermore, a protrusion 13 is installed at the bottom of the second mounting base 5, and a mounting groove 10 is provided at the top of the first mounting base 2.

[0024] Specifically, the protrusion 13 and the mounting groove 10 can effectively prevent accidental separation or detachment during operation, thereby improving safety.

[0025] Furthermore, two positioning pins 11 are installed on the top of the first mounting base 2, and two mounting holes 12 are opened on the bottom of the second mounting base 5. The two positioning pins 11 and the two mounting holes 12 are located diagonally.

[0026] Specifically, the combination of locating pins and mounting holes provides guidance during installation, which helps improve structural stability.

[0027] Furthermore, an adjusting seat 3 is threadedly connected between the first stud 6 and the second stud 8, and the adjusting seat 3 has a hole on its side.

[0028] Specifically, the adjusting seat 3 can be used to adjust the overall torque, and the holes on the side of the adjusting seat 3 can be adjusted using auxiliary tools.

[0029] Furthermore, a washer 9 is installed at the bottom of the nut 7, and the washer 9 is made of rubber.

[0030] Specifically, the rubber gasket 9 can absorb vibrations and maintain the stability of the structure.

[0031] Working principle: First, a second mounting seat 5 is installed at the bottom of the spring body 1, and a protrusion 13 is installed at the bottom of the second mounting seat 5. A first mounting seat 2 is installed at the top of the spring body 1, and a mounting groove 10 is opened at the top of the first mounting seat 2. The first mounting seat 2 and the second mounting seat 5 can be assembled, which improves the flexibility and practicality of the laminated spring. Second, two positioning pins 11 are installed at the top of the first mounting seat 2. The two positioning pins 11 are located in the mounting groove 10 and are located diagonally in the mounting groove 10. A mounting hole 12 is opened at the bottom of the second mounting seat 5. The mounting hole 12 and the positioning pin 11 are positioned correspondingly. The mounting hole 12 and the positioning pin 11 can provide guidance when the first mounting seat 2 and the second mounting seat 5 are installed, which improves stability. Finally, an adjusting seat 3 is installed between the first mounting seat 2 and the second mounting seat 5. The threads of the first stud 6 and the second stud 8 are opposite. The torque can be changed by rotating the adjusting seat 3.

[0032] 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 stacked torsion spring with adjustable torque, comprising a spring body (1), characterized in that: The top of the spring body (1) is fixedly connected to a first mounting seat (2), the middle of the first mounting seat (2) is connected to a second stud (8), the top of the second stud (8) is provided with a first stud (6), the outside of the first stud (6) is threadedly connected to a nut (7), the other end of the spring body (1) is fixedly installed with a second mounting seat (5), the middle of the second mounting seat (5) is threadedly connected to a first stud (6), the outside of the first stud (6) is threadedly connected to a nut (7), and the bottom of the nut (7) is installed with a fixing seat (4).

2. The stacked torsion spring with adjustable torque according to claim 1, characterized in that: A second stud (8) is provided below the first stud (6), and the threads of the first stud (6) and the second stud (8) are opposite in direction.

3. The stacked torsion spring with adjustable torque according to claim 1, characterized in that: The bottom of the second mounting base (5) is fitted with a protrusion (13), and the top of the first mounting base (2) is provided with a mounting groove (10).

4. The stacked torsion spring with adjustable torque according to claim 1, characterized in that: The top of the first mounting base (2) is equipped with two positioning pins (11), and the bottom of the second mounting base (5) is provided with two mounting holes (12). The two positioning pins (11) and the two mounting holes (12) are located diagonally opposite each other.

5. A stacked torsion spring with adjustable torque according to claim 1, characterized in that: An adjusting seat (3) is threaded between the first stud (6) and the second stud (8), and the adjusting seat (3) has a hole on its side.

6. A stacked torsion spring with adjustable torque according to claim 1, characterized in that: A washer (9) is installed at the bottom of the nut (7), and the washer (9) is made of rubber.