High-strength composite belleville spring assembly
By designing anti-friction rings and oil reservoirs in the disc spring assembly, the friction problem when disc springs are used in combination is solved, improving strength and elasticity, and adapting to different temperature environments.
Patent Information
- Application Number
- CN202520362688.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Existing disc springs suffer from severe friction when used in combination, leading to increased wear. Furthermore, materials with higher hardness are more difficult to process, affecting strength and elasticity.
First and second friction-reducing rings were designed, using annular stainless steel or nylon sheets, with annular positioning grooves and oil reservoirs to reduce friction, and the coefficient of friction was reduced through material selection.
It effectively reduces friction between disc springs, improves strength and elasticity, reduces maintenance costs, and adapts to different temperature environments.
Smart Images

Figure CN223781943U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of disc spring technology, and in particular to a high-strength composite disc spring assembly. Background Technology
[0002] Disc springs are generally conical or disc-shaped structures. When compressed, they deform and store potential energy. Disc springs can be used individually or in combination, offering flexibility.
[0003] When two disc springs are combined, they are usually in mirror image position with their larger diameter ends in contact. After the disc springs are compressed, the larger diameter ends deform and expand outwards radially, causing friction at the contact points of the two disc springs. This leads to severe wear during long-term use and increases maintenance costs.
[0004] In addition, to improve the strength and elasticity of disc springs, materials with higher hardness are needed, but materials with higher hardness are more difficult to process and require improvement. Utility Model Content
[0005] The purpose of this invention is to provide a high-strength composite disc spring assembly that reduces friction and increases strength.
[0006] To achieve this objective, the present invention adopts the following technical solution:
[0007] A high-strength composite disc spring assembly includes: a first disc spring base, a second disc spring base, a first friction-reducing ring, and a second friction-reducing ring. The second disc spring base is disposed below the first disc spring base, the first friction-reducing ring is disposed at the bottom of the first disc spring base, and the second friction-reducing ring is disposed at the top of the second disc spring base. The second friction-reducing ring is in sliding contact with the first friction-reducing ring, and an oil storage ring groove is recessed on the top surface of the first friction-reducing ring.
[0008] The large-diameter end of the first disc spring base is located at the bottom of the first disc spring base, and the first friction-reducing ring plate is provided with a first annular positioning groove corresponding to the bottom of the first disc spring base.
[0009] The large-diameter end of the second disc spring base is located at the top of the second disc spring base, and the bottom of the second friction-reducing ring plate is provided with a second annular positioning groove corresponding to the top of the second disc spring base.
[0010] The first friction-reducing ring has an oil storage groove recessed on its top surface, and the bottom of the oil storage groove is provided with oil drip holes extending to the bottom surface of the first friction-reducing ring.
[0011] The first and second friction-reducing rings are made of annular stainless steel.
[0012] The first and second friction-reducing rings are made of annular nylon sheets.
[0013] The beneficial effects of this utility model are as follows: A high-strength composite disc spring assembly is specially designed with a first friction-reducing ring and a second friction-reducing ring. The first friction-reducing ring and the second friction-reducing ring prevent contact between the first disc spring base and the second disc spring base. Moreover, the first friction-reducing ring and the second friction-reducing ring have good lubrication effect, reducing friction problems. The first friction-reducing ring and the second friction-reducing ring can also elastically inhibit the radial outward expansion of the large diameter ends of the first disc spring base and the second disc spring base, thereby improving strength and elasticity. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 yes Figure 1 Sectional view along axis AA;
[0016] Figure 3 yes Figure 2 Exploded view. Detailed Implementation
[0017] The following is combined Figures 1-3 The technical solution of this utility model will be further illustrated through specific embodiments.
[0018] like Figure 1 The high-strength composite disc spring assembly shown includes: a first disc spring base 1, a second disc spring base 2, a first friction-reducing ring 3, and a second friction-reducing ring 4. The second disc spring base 2 is disposed below the first disc spring base 1. In this embodiment, the large-diameter end of the first disc spring base 1 is located at the bottom of the first disc spring base 1, and the large-diameter end of the second disc spring base 2 is located at the top of the second disc spring base 2, thereby connecting the first disc spring base 1 and the second disc spring base 2 in series to increase the axial travel.
[0019] like Figure 2 As shown, the first friction-reducing ring 3 is disposed at the bottom of the first disc spring base 1. In this embodiment, the first friction-reducing ring 3 is provided with a first annular positioning groove 7 corresponding to the bottom of the first disc spring base 1, which facilitates assembly. The first annular positioning groove 7 is used to increase the resistance of the large diameter end of the first disc spring base 1 as it expands radially outward, thereby improving the strength and elasticity of the first disc spring base 1.
[0020] The second friction-reducing ring 4 is positioned on top of the second disc spring base 2. A second annular positioning groove 8, corresponding to the top of the second disc spring base 2, is recessed at the bottom of the second friction-reducing ring 4. The top of the second disc spring base 2 is positioned via the second annular positioning groove 8, facilitating assembly and ensuring structural stability. The second annular positioning groove 8 increases the resistance as the large-diameter end of the second disc spring base 2 expands radially outward, thereby enhancing the strength and elasticity of the second disc spring base 2.
[0021] like Figure 2 As shown, the second friction-reducing ring 4 slides in contact with the first friction-reducing ring 3. To reduce wear, as... Figure 3 As shown, an oil storage ring groove 5 is recessed in the top surface of the first friction-reducing ring 3 to allow the injection of lubricating oil. The bottom of the oil storage ring groove 5 is provided with oil dripping holes 6 extending to the bottom surface of the first friction-reducing ring 3 at intervals. Lubricating oil is slowly added to the gap between the second friction-reducing ring 4 and the first friction-reducing ring 3 through the oil dripping holes 6 to reduce the friction between the second friction-reducing ring 4 and the first friction-reducing ring 3.
[0022] In addition, the friction between the first friction-reducing ring 3 and the second friction-reducing ring 4 can be reduced by selecting appropriate materials, for example:
[0023] Example 1:
[0024] In this embodiment, the first friction-reducing ring 3 and the second friction-reducing ring 4 are made of annular stainless steel sheets. The annular stainless steel sheets can be polished into a mirror finish, which greatly reduces the friction problem of the contact surface. Moreover, they have good high-temperature resistance and are suitable for use in high-temperature environments.
[0025] Example 2:
[0026] In this embodiment, the first friction-reducing ring 3 and the second friction-reducing ring 4 are made of annular nylon sheets. Annular nylon sheets have a self-lubricating effect and are easier to process, but their high-temperature resistance is not as good as that of annular stainless steel sheets, making them suitable for use in environments with low temperatures.
[0027] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of this utility model. The content of this specification should not be construed as a limitation of this utility model.
Claims
1. A high-strength composite disc spring assembly, characterized in that, include: The system comprises a first disc spring base, a second disc spring base, a first friction-reducing ring, and a second friction-reducing ring. The second disc spring base is located below the first disc spring base. The first friction-reducing ring is located at the bottom of the first disc spring base. The second friction-reducing ring is located at the top of the second disc spring base. The second friction-reducing ring is in sliding contact with the first friction-reducing ring. An oil storage groove is recessed on the top surface of the first friction-reducing ring.
2. The high-strength composite disc spring assembly according to claim 1, characterized in that, The large-diameter end of the first disc spring base is located at the bottom of the first disc spring base, and the first friction-reducing ring plate is provided with a first annular positioning groove corresponding to the bottom of the first disc spring base.
3. The high-strength composite disc spring assembly according to claim 1, characterized in that, The large-diameter end of the second disc spring base is located at the top of the second disc spring base, and the bottom of the second friction-reducing ring plate is provided with a second annular positioning groove corresponding to the top of the second disc spring base.
4. The high-strength composite disc spring assembly according to claim 1, characterized in that, The bottom of the oil storage ring groove is provided with drip holes that extend to the bottom surface of the first friction-reducing ring.
5. The high-strength composite disc spring assembly according to claim 1, characterized in that, The first and second friction-reducing rings are made of annular stainless steel sheets.
6. The high-strength composite disc spring assembly according to claim 1, characterized in that, The first and second friction-reducing rings are made of annular nylon sheets.