A fine adjustment spring structure
By setting obliquely symmetrically distributed adjustment grooves and buffer rings on the spring body, the problem of difficult adjustment of traditional spring stiffness is solved, achieving precise adjustment of spring stiffness and uniform stress distribution, thus improving assembly efficiency and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIAMEN XINDESH PRECISION METAL CO LTD
- Filing Date
- 2025-08-11
- Publication Date
- 2026-06-26
AI Technical Summary
The stiffness of traditional springs is difficult to adjust, and using multiple springs in combination increases space occupation and assembly difficulty, and it is also difficult to accurately control the buffering effect.
A fine-tuning spring structure is designed, which sets an obliquely symmetrical set of adjustment grooves on the spring body and embeds a buffer ring. The spring stiffness can be adjusted in stages by using different combinations of groove depths and the number of buffer rings. The buffer ring is composed of silicone strips and adhesive layers, which simplifies the installation process.
It enables precise adjustment of spring stiffness, avoids stress concentration, improves assembly efficiency and stability, adapts to dynamic load changes, and optimizes mechanical performance.
Smart Images
Figure CN224414206U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of elastic element technology, specifically a fine-tuning spring structure. Background Technology
[0002] In mechanical engineering and industrial applications, springs, as important elastic elements, are widely used for buffering, shock absorption, energy storage, and force transmission. The stiffness of traditional springs (such as coil springs and leaf springs) is usually determined by their material, wire diameter, number of coils, and structure; once manufactured, their elastic properties are difficult to adjust. However, in practical applications, different working conditions may require fine-tuning of the spring's buffering force or stiffness to adapt to dynamic load changes, reduce vibration, or optimize mechanical performance.
[0003] Currently, common spring adjustment methods mainly involve using multiple springs in combination. However, using multiple springs in combination increases space occupation and assembly difficulty, and makes it difficult to accurately control the buffering effect.
[0004] Based on this, the present invention designs a fine-tuning spring structure to solve the above problems. Utility Model Content
[0005] To achieve the above objectives, the present invention provides the following technical solution: the spring body is composed of several connecting rings whose ends are fixedly connected. The spring body is provided with an adjustment groove group, which is opened on the connecting ring. The groove depths of different adjustment groove groups are different. The same adjustment groove group is obliquely symmetrically distributed on both sides of the connecting ring, and the adjustment grooves in the same adjustment groove group are arranged in the vertical direction. A buffer ring is provided in the adjustment groove, and the buffer ring is sleeved in the adjustment groove.
[0006] By adopting the above technical solution, the obliquely symmetrically distributed adjustment grooves ensure that the spring is subjected to uniform force during compression or tension, avoiding local stress concentration. By placing the buffer rings in adjustment grooves of different depths, the spring body can feel different degrees of reverse force during compression, thus giving the spring different compression amounts. By changing the number of buffer rings and their specific placement, the compression amount of the buffer rings can be precisely controlled, achieving graded adjustment of the spring stiffness.
[0007] Preferably, the buffer ring is composed of a silicone strip and an adhesive layer, with the adhesive layer located at both ends of the silicone strip, and the two ends of the buffer ring are adhered to each other through the adhesive layer to form a closed-loop structure.
[0008] By adopting the above technical solution, the adhesive layer design eliminates the need for additional fasteners for the buffer ring. It can be directly inserted into the adjustment groove and then bonded, making installation convenient. The silicone strip provides flexible cushioning, and the adhesive layer ensures closed-loop stability and prevents it from falling off.
[0009] Preferably, the cross-section of the adjusting groove is arc-shaped.
[0010] By adopting the above technical solution, the arc-shaped groove reduces stress concentration and is suitable for high-frequency vibration scenarios.
[0011] Preferably, the adjustment groove group on the same connecting ring includes at least two sets of adjustment grooves with different groove depths.
[0012] By adopting the above technical solution, users can select different groove depth combinations according to actual needs and flexibly adjust the buffering performance of the spring.
[0013] Preferably, the outer diameter of the buffer ring is slightly larger than the width of the adjusting groove.
[0014] By adopting the above technical solution, an interference fit is formed between the buffer ring and the regulating groove, which prevents the buffer ring from loosening during vibration, ensures long-term stability, and the tight fit can reduce the entry of dust or liquid into the regulating groove.
[0015] In summary, this application has the following beneficial technical effects: the obliquely symmetrically distributed adjustment grooves ensure that the spring is subjected to uniform force during compression or tension, avoiding local stress concentration; by placing the buffer rings in adjustment grooves of different depths, the spring body can feel different degrees of reverse force during compression, thus giving the spring different compression amounts; by changing the number of buffer rings and their specific placement, the compression amount of the buffer rings can be precisely controlled, achieving graded adjustment of the spring stiffness. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the spring body structure in this embodiment;
[0018] Figure 2 This is a schematic diagram showing the position of the buffer ring sleeved in the adjustment groove in this embodiment;
[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the connection between the spring body and the buffer ring in this embodiment;
[0020] Figure 4 This is a schematic diagram of the composition of the buffer ring in this embodiment.
[0021] The attached diagram lists the components represented by each number as follows:
[0022] 1. Spring body; 2. Adjustment groove; 3. Buffer ring; 4. Connecting ring; 5. Adhesive layer; 6. Silicone strip. Detailed Implementation
[0023] 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 skilled in the art without creative effort are within the protection scope of the present utility model.
[0024] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.
[0025] A fine-tuning spring structure includes a spring body 1, which is composed of several connecting rings 4 whose ends are fixedly connected. The spring body 1 is provided with a set of adjustment grooves 2, which are formed on the connecting rings 4. The grooves of different sets of adjustment grooves 2 have different depths. The same set of adjustment grooves 2 is obliquely symmetrically distributed on both sides of the connecting rings 4, and the adjustment grooves 2 in the same set of adjustment grooves 2 are arranged in the vertical direction. A buffer ring 3 is provided in the adjustment groove 2, and the buffer ring 3 is sleeved in the adjustment groove 2.
[0026] In use, the adjusting rings are respectively fitted into the same set of adjusting grooves 2 of the same connecting ring 4. When the spring body 1 is compressed, the two adjacent connecting rings 4 squeeze the buffer ring 3, so that the spring body 1 is subjected to the reverse force from the buffer ring 3 when compressed, which increases the stiffness of the spring body 1 and makes the spring body 1 have different compression amounts. When the spring is located in the same set of adjusting grooves 2, by changing the fitting position or number of buffer rings 3, such as staggering the fitting of buffer rings 3, the resistance received by the spring body 1 when compressed will also be affected. The number of buffer rings 3 is even, so as to ensure the expansion and contraction balance on both sides of the spring, realize the precise control of the compression amount of buffer ring 3, and realize the graded adjustment of spring stiffness.
[0027] The buffer ring 3 consists of a silicone strip 6 and an adhesive layer 5. The adhesive layer 5 is located at both ends of the silicone strip 6. The two ends of the buffer ring 3 are adhered to each other through the adhesive layer 5 to form a closed loop structure. When the buffer ring 3 is fitted into the adjustment groove 2, the closed end of the buffer ring 3 can be opened by pulling the buffer ring 3, so that the buffer ring 3 can be quickly removed from the adjustment groove 2. The operation is simple and the buffer ring 3 can be quickly installed and removed, thereby achieving the purpose of quickly adjusting the compression of the spring and improving the adjustment efficiency of the spring.
[0028] The adjustment groove 2 group on the same connecting ring 4 includes at least two groups of adjustment grooves 2 with different groove depths, so that the buffer ring 3 can match the adjustment grooves 2 with different groove depths. Different groove depths can enable the buffer ring 3 to provide different degrees of compression when it is squeezed, thereby reducing the resistance of the spring and providing multiple adjustment modes for adjusting the compression of the spring, which can more widely adjust the compression of the spring body 1.
[0029] The cross-section of the regulating groove 2 is arc-shaped. When the buffer ring 3 is fitted into the regulating groove 2, the buffer ring 3 and the arc-shaped surface cooperate with each other, so that the force on the buffer ring 3 can be dispersed by the arc-shaped surface, avoiding stress concentration and improving the service life of the buffer ring 3. The outer diameter of the buffer ring 3 is slightly larger than the width of the regulating groove 2. The buffer ring 3 and the regulating groove 2 form an interference fit to prevent the buffer ring 3 from loosening during vibration, ensuring long-term stability. The tight fit can reduce the entry of dust or liquid into the regulating groove 2.
[0030] The implementation principle of this embodiment is as follows: In use, by gluing the two ends of the silicone strip 6, the adjusting rings are respectively fitted into the same group of adjusting grooves 2 of the same connecting ring 4. When in the same groove group, the compression of the spring body 1 can be changed by increasing or decreasing the number of adjusting rings and changing the position of the adjusting rings. Alternatively, transferring all the buffer rings 3 to groove groups of different depths will also cause the spring compression to change. When the spring body 1 is compressed, the two adjacent connecting rings 4 squeeze the buffer ring 3, so that the compression of the buffer ring 3 can be precisely controlled, and the stiffness of the spring body 1 can be adjusted in stages.
[0031] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0032] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0033] 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 fine-tuning spring structure, comprising a spring body (1), characterized in that: The spring body (1) is composed of several connecting rings (4) with their ends fixedly connected. The spring body (1) is provided with a set of adjusting grooves (2). The set of adjusting grooves (2) is opened on the connecting rings (4). The groove depths of different sets of adjusting grooves (2) are different. The same set of adjusting grooves (2) is obliquely symmetrically distributed on both sides of the connecting rings (4). The adjusting grooves (2) in the same set of adjusting grooves (2) are arranged in the vertical direction. A buffer ring (3) is provided in the adjusting groove (2). The buffer ring (3) is sleeved in the adjusting groove (2).
2. The fine-tuning spring structure according to claim 1, characterized in that: The buffer ring (3) is composed of a silicone strip (6) and an adhesive layer (5). The adhesive layer (5) is located at both ends of the silicone strip (6). The two ends of the buffer ring (3) are adhered to each other by the adhesive layer (5) to form a closed loop structure.
3. The fine-tuning spring structure according to claim 1, characterized in that: The cross-section of the adjustment groove (2) is arc-shaped.
4. The fine-tuning spring structure according to claim 1, characterized in that: The adjustment groove (2) group on the same connecting ring (4) includes at least two groups of adjustment grooves (2) with different groove depths.
5. The fine-tuning spring structure according to claim 1, characterized in that: The outer diameter of the buffer ring (3) is slightly larger than the width of the adjusting groove (2).