Belleville spring with ultrahigh torque
By introducing an integrated washer and friction bushing structure into the disc spring, the problem of insufficient friction in the disc spring is solved, enabling higher torque transmission and wider application.
Patent Information
- Application Number
- CN202520700538.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-15
AI Technical Summary
When multiple disc springs are used in combination, the contact area between adjacent disc springs is small, resulting in insufficient friction and an inability to effectively transmit or resist high torque, thus limiting their application range.
The combination structure of the first and second gaskets, expansion sleeve and limiting sleeve, through integrated design and the use of friction bushing, enhances the friction force and ensures the squeezing and friction force on the inner wall of the expansion sleeve after compression of the disc spring unit, thereby improving the torque transmission capability.
The torque transmission capability of the disc spring has been enhanced, slippage has been reduced, and its application range has been expanded.
Smart Images
Figure CN223908671U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to disc spring technical field especially disc spring with superhigh torque. BACKGROUND
[0002] Disc spring usually adopts similar conical disc structure, is compressed and produces deformation, and stores certain potential energy. Disc spring can be used singly, or a plurality of disc springs are used in pairs to improve the carrying capacity.
[0003] When a plurality of disc springs are used in combination, the contact area of adjacent two disc springs is small, the friction of the contact surface is small, and high torque cannot be transmitted or resisted, so the use range of the disc spring is limited and needs to be improved. SUMMARY
[0004] The utility model discloses a disc spring with superhigh torque, which improves the performance of torque transmission and expands the use range.
[0005] To achieve this purpose, the utility model adopts the following technical scheme:
[0006] A disc spring with superhigh torque comprises a first gasket, a second gasket, a first disc spring unit and a second disc spring unit. The first gasket is arranged above the first disc spring unit. The second disc spring unit is concentrically arranged below the first disc spring unit. The second gasket is arranged below the second disc spring unit. The edge of the first gasket is provided with an expansion sleeve extending downward below the edge of the first disc spring unit. The edge of the second gasket is provided with a limiting sleeve extending upward outside the expansion sleeve.
[0007] The first disc spring unit and the second disc spring unit each adopt a conical disc structure.
[0008] The inner concave surface of the second disc spring unit points to the first disc spring unit above, and the inner concave surface of the first disc spring unit points to the second disc spring unit below.
[0009] A plurality of positioning holes are arranged on the first gasket and the second gasket respectively.
[0010] The first gasket and the expansion sleeve adopt an integrated structure.
[0011] The second gasket and the limiting sleeve adopt an integrated structure.
[0012] A friction bushing is arranged on the outer wall of the expansion sleeve or the inner wall of the limiting sleeve.
[0013] The bottom of the expansion sleeve is provided with an upwardly extending expansion groove.
[0014] The disc spring with super high torque has the advantages that the first disc spring unit and the second disc spring unit are deformed after being compressed, the inner wall of the expansion sleeve is extruded, the expansion sleeve is slightly expanded outward, the extrusion force and the friction force between the expansion sleeve and the inner wall of the limiting sleeve are improved, the problem of slippage is reduced, and the first gasket and the second gasket can transmit higher torque. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a structural schematic view of the utility model;
[0016] Figure 2 is Figure 1 a top view of the utility model;
[0017] Figure 3 is Figure 1 an exploded view of the utility model. DETAILED DESCRIPTION
[0018] The technical scheme of the utility model will be further illustrated below in combination with Figures 1-3 specific embodiments.
[0019] As Figure 1 shown in the disc spring with super high torque, comprising: a first gasket 3, a second gasket 4, a first disc spring unit 1 and a second disc spring unit 2, the first gasket 1 is arranged above the first disc spring unit 1, the second disc spring unit 2 is concentrically arranged below the first disc spring unit 1, in this embodiment, the first disc spring unit 1 and the second disc spring unit 2 adopt a conical disc structure respectively, are deformed after being compressed, and store a certain potential energy, and are elastically reset.
[0020] The inner concave surface of the second disc spring unit 2 points to the first disc spring unit 1 in the upward direction, the inner concave surface of the first disc spring unit 1 points to the second disc spring unit 2 in the downward direction, so that the edge of the second disc spring unit 2 contacts the edge of the first disc spring unit 1, the maximum contact area is beneficial to improving the friction force and reducing the problem of torsional slippage.
[0021] The second gasket 4 is arranged below the second disc spring unit 2, and the first gasket 3 edge is provided with an expansion sleeve 8 extending downward to below the edge of the first disc spring unit 1, in this embodiment, the first gasket 3 and the expansion sleeve 8 adopt an integrated steel structure, and can be formed by stamping a steel sheet, so that production is convenient.
[0022] The edge of the second gasket 4 is provided with a limiting sleeve 9 extending upward to the outside of the expansion sleeve, and in this embodiment, the second gasket 4 and the limiting sleeve 9 are in an integrated structure, which is high in stability. After the first disc spring unit 1 and the second disc spring unit 2 are compressed to deform, the inner wall of the expansion sleeve 8 is extruded, so that the expansion sleeve 8 is slightly expanded outward, the extrusion force and the friction force between the expansion sleeve 8 and the limiting sleeve 9 are improved, the problem of slippage is reduced, and the first gasket 3 and the second gasket 4 can transmit higher torque.
[0023] As shown in Figure 3 The bottom of the expansion sleeve 8 is provided with an expansion groove 6 extending upward, and the expansion groove 6 is designed to facilitate the outward expansion of the inner wall of the expansion sleeve 8 under the extrusion force of the edges of the first disc spring unit 1 and the second disc spring unit 2.
[0024] As shown in Figure 2 The first gasket 3 and the second gasket 4 are respectively provided with a plurality of positioning holes 7, which facilitate the connection and positioning of the first gasket 3 and the second gasket 4 with other components, and the transmission of torque through the first gasket 3 and the second gasket 4.
[0025] In addition, in this embodiment, a friction bushing 5 is arranged on the outer wall of the expansion sleeve 8 or the inner wall of the limiting sleeve 9, which can improve the friction performance. The friction bushing 5 is made of high-molecular ternary composite material, which uses a high-molecular compound as a binder, uses inorganic or organic fibers as reinforcing materials, and adjusts the friction performance through fillers. After the high-molecular compound is heated and softened, the fibers and fillers are mixed with the high-molecular compound and bonded together, and then introduced into a mold for pressing to obtain the friction bushing 5. The expansion sleeve 8 can be prearranged in the mold, so that the friction bushing 5 is solidified on the outer side of the expansion sleeve 8, which is stable in structure and avoids the problem of falling off.
[0026] The above is only a preferred embodiment of the present application, and for those skilled in the art, according to the idea of the present application, the specific implementation and application range can be changed, and the content of the specification should not be understood as a limitation of the present application.
Claims
1. A belleville spring having ultra-high torsional torque, characterized by, The utility model relates to a first gasket, a second gasket, a first disc spring unit and a second disc spring unit, the first gasket is arranged above the first disc spring unit, the second disc spring unit is concentrically arranged below the first disc spring unit, the second gasket is arranged below the second disc spring unit, the first gasket edge is provided with the expansion sleeve that extends downwards below the first disc spring unit edge, and the second gasket edge is provided with the limiting sleeve that extends upwards outside the expansion sleeve. The first disc spring unit and the second disc spring unit adopt a conical disc structure respectively.
2. The belleville spring with ultra-high torsion according to claim 1, characterized in that, The inner concave surface of the second disc spring unit points to the first disc spring unit upwards, and the inner concave surface of the first disc spring unit points to the second disc spring unit downwards.
3. The belleville spring with ultra-high torsion according to claim 2, characterized in that, A plurality of positioning holes are arranged on the first gasket and the second gasket respectively.
4. The belleville spring with ultra-high torsion according to claim 1, wherein, The first gasket and the expansion sleeve adopt an integrated structure.
5. The belleville spring with ultra-high torsion according to claim 1, wherein The second gasket and the limiting sleeve adopt an integrated structure.
6. The belleville spring with ultra-high torsion according to claim 1, wherein, A friction bushing is arranged on the outer wall of the expansion sleeve or the inner wall of the limiting sleeve.
7. The belleville spring with ultra-high torsion according to claim 1, characterized in that, An expansion groove extending upwards is arranged at the bottom of the expansion sleeve.
8. The belleville spring with ultra-high torsion according to claim 1, wherein,