Combined belleville spring with limiting device

By introducing a buffer spring, guide rod, sleeve, and arc-shaped spring sheet into the combined disc spring, the problems of insufficient limiting guidance and resilience of the combined disc spring are solved, resulting in better service life and stacking connection effect.

CN223725261UActive Publication Date: 2025-12-26YANGZHOU JIUWEI PACKAGE PROD CO LTD
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Patent Information

Application Number
CN202422093795.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-28
Publication Date
2025-12-26
Estimated Expiration
2034-08-28

AI Technical Summary

Technical Problem

The existing combination disc springs do not have a limiting device, which makes it difficult to limit the connection when multiple combination disc springs are stacked and used, and the return elasticity is insufficient, affecting the service life.

Method used

A combined disc spring with a limiting device was designed, including a buffer spring, a guide rod, a sleeve, an arc-shaped spring sheet, and a damper. Through the combined use of these structures, limiting guidance and enhancing resilience are achieved, impact force is dispersed, and local deformation is reduced.

Benefits of technology

It achieves limiting guidance of combined disc springs, enhances resilience, extends service life, and facilitates the stacking and limiting connection of multiple sets of combined disc springs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a combined belleville spring with a limiting device. Relates to the technical field of combined belleville springs, and adopts the technical scheme that the combined belleville spring comprises a combined belleville spring, a bottom plate and an arc-shaped elastic sheet, a fixing rod is arranged in the center of the top end of the bottom plate, a threaded section is arranged on the surface of the upper end of the fixing rod, and a locking nut is arranged on the threaded section in a sleeving manner. By arranging the buffer spring, when the combined belleville spring is subjected to impact force, the guide rod in the inner cavity of the combined belleville spring moves in the sleeve, the guide rod applies downward impact force to the push plate, and the push plate compresses the buffer spring, so that the effects of limiting and guiding and enhancing the rebound resilience of the combined belleville spring are achieved; meanwhile, the arc-shaped elastic piece is arranged between the upper belleville spring and the lower belleville spring, the pressure borne by the combined belleville spring can be relieved through the arc-shaped elastic piece, and therefore the rebound resilience of the combined belleville spring is further improved, and the service life of the combined belleville spring is further prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to combined disc spring technical field, concretely relates to a combined disc spring with limiting device. BACKGROUND

[0002] The combined disc spring refers to the combined spring formed by the butt joint or the superposition of multiple disc springs or the butt joint of several groups of superposed disc springs, the existing combined disc spring does not have a limiting device, is inconvenient to limit and connect when multiple groups of combined disc springs are used in the superposition, does not have a limiting and guiding spring supporting structure, is inconvenient to limit and guide when the combined disc spring bears the load, and the reset resilience of the combined disc spring is insufficient, so the service life is affected, and therefore a combined disc spring limiting device is required to improve the above problems. SUMMARY

[0003] In view of the defects of the prior art, the utility model provides a combined disc spring with limiting device, solves the problems that the existing combined disc spring does not have a limiting device, is inconvenient to limit and connect when multiple groups of combined disc springs are used in the superposition, does not have a limiting and guiding spring supporting structure, is inconvenient to limit and guide when the combined disc spring bears the load, and the reset resilience of the combined disc spring is insufficient, and affects the service life.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A combined disc spring with limiting device, including combined disc spring, bottom plate, arc spring piece, the top center of bottom plate is provided with fixed rod, the upper end surface of fixed rod is provided with threaded section, the threaded section is equipped with lock nut, the fixed rod is equipped with a plurality of combined disc springs on the top of bottom plate, the combined disc spring includes upper disc spring, the one side lower end of upper disc spring is provided with lower disc spring, the other side of upper disc spring is embedded with first limit seat, the other side of lower disc spring is embedded with second limit seat, the bottom of first limit seat is provided with guide rod, the top of second limit seat is provided with sleeve, the inside of sleeve is provided with buffer spring, the top of buffer spring is provided with push board, the top of push board is provided with guide rod, the guide rod is movably connected with sleeve, the arc spring piece is arranged between upper disc spring and lower disc spring, the bottom of lower disc spring is provided with spring structure, the inside of spring structure is provided with damper, the top of upper disc spring and bottom plate is provided with clamping groove, the lower end of spring structure is provided with clamping block, the size of clamping block is matched with the installation clamping groove.

[0006] Compared with the prior art, the utility model reaches the beneficial effects that:

[0007] The utility model provides a kind of combined butterfly spring with limiting device, by being provided with buffer spring, when combined butterfly spring is impacted, guide rod in the inner cavity of combined butterfly spring moves in sleeve, guide rod exerts downward impact force to push plate, push plate compresses buffer spring, so as to reach the effect of limiting guide and enhancing combined butterfly spring resilience, so as to prolong the service life of combined butterfly spring, simultaneously, by being provided with arc spring piece between upper butterfly spring and lower butterfly spring, combined butterfly spring is relieved from the pressure by arc spring piece, so as to further increase combined butterfly spring resilience and service life;

[0008] The utility model discloses a spring structure is set up, when combined butterfly spring is impacted, impact force will act on spring structure and damper, by the cooperation of spring structure and damper, the impact force that combined butterfly spring is received can be dispersed and handled, so as to reduce the generation of the phenomenon that local deformation is too large when combined butterfly spring is impacted load, simultaneously, the size matching installation between the bottom end of spring structure and the upper butterfly spring and the clamping groove that the top end of bottom plate is all seted up is installed, so as to be convenient for combined butterfly spring to limit guide use when carrying load and it is convenient for multiple combined butterfly springs to limit connection use when stacking. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the front view of the utility model.

[0010] Figure 2 It is the whole internal structure schematic view of the utility model.

[0011] Figure 3 It is Figure 2 The enlarged view of partial structure of A of

[0012] Figure 4 It is Figure 2 The enlarged view of partial structure of B of

[0013] In the drawing: 1, combined butterfly spring;1.1, upper butterfly spring;1.2, lower butterfly spring;1.3, first limit seat;1.4, second limit seat;2, bottom plate;3, fixed rod;4, threaded section;5, lock nut;6, arc spring piece;7, sleeve;8, buffer spring;9, push plate;10, guide rod;11, spring structure;12, damper;13, clamping block;14, clamping groove. DETAILED DESCRIPTION

[0014] To further illustrate the embodiments, the utility model provides has the drawing, these drawings are the utility model disclosure content part, it mainly used to illustrate the embodiment, and can cooperate the related description of the specification to explain the operation principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0015] According to the embodiment of the utility model, a combined butterfly spring with limiting device is provided.

[0016] Embodiment one:

[0017] As shown in the accompanying drawings of the specification Figure 1 A combined butterfly spring with limiting device, comprising combined butterfly spring 1, bottom plate 2, arc spring piece 6, the top end center of bottom plate 2 is provided with fixed rod 3, the upper end surface of fixed rod 3 is provided with threaded section 4, threaded section 4 is provided with locking nut 5, a plurality of combined butterfly springs 1 are provided on fixed rod 3 and located at the top end of bottom plate 2, the combined butterfly spring 1 includes upper butterfly spring 1.1, the lower side end of upper butterfly spring 1.1 is provided with lower butterfly spring 1.2, the other side of upper butterfly spring 1.1 is embedded with first limiting seat 1.3, the other side of lower butterfly spring 1.2 is embedded with second limiting seat 1.4, the bottom end of first limiting seat 1.3 is provided with guide rod 10, the top end of second limiting seat 1.4 is provided with sleeve 7, the inside of sleeve 7 is provided with buffer spring 8, the top end of buffer spring 8 is provided with push plate 9, the top end of push plate 9 is provided with guide rod 10, and guide rod 10 is movably connected with sleeve 7.

[0018] Embodiment two:

[0019] As shown in the accompanying drawings of the specification Figure 1 , Figure 2 , Figure 3 And Figure 4As shown, the combined butterfly spring with limiting device is used, a plurality of combined butterfly springs 1 composed of upper butterfly spring 1.1 and lower butterfly spring 1.2 are first passed through the fixed rod 3, the spring structure 11 is arranged, the size matching installation is arranged between the clamping block 13 at the bottom end of the spring structure 11 and the clamping groove 14 opened at the top end of the upper butterfly spring 1.1 and the bottom plate 2, so that the combined butterfly spring 1 is convenient for limiting and guiding when bearing load, and the combined butterfly spring 1 is convenient for limiting and connecting when stacked and used, so that a plurality of combined butterfly springs 1 can be installed according to requirements. When the combined butterfly spring 1 is subjected to impact force, the impact force acts on the spring structure 11 and the damper 12, and the impact force acting on the combined butterfly spring 1 is dispersed by the cooperation of the spring structure 11 and the damper 12, thereby reducing the local deformation of the combined butterfly spring 1 when subjected to impact load. When the combined butterfly spring 1 is subjected to impact force, the guide rod 10 in the inner cavity of the combined butterfly spring 1 moves in the sleeve 7, the guide rod 10 exerts downward impact force on the push plate 9, and the push plate 9 compresses the buffer spring 8, so that the effect of limiting and guiding and enhancing the resilience of the combined butterfly spring 1 is achieved, thereby prolonging the service life of the combined butterfly spring 1. At the same time, the arc spring 6 is arranged between the upper butterfly spring 1.1 and the lower butterfly spring 1.2, and the arc spring 6 reduces the pressure borne by the combined butterfly spring 1, thereby further increasing the resilience and service life of the combined butterfly spring 1.

[0020] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0021] In the utility model, unless another definite provision and limitation, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two element inside the intercommunication or two element's mutual action relation, unless another definite limitation, for ordinary skill in the art, can understand the specific meaning of the above-mentioned term in the utility model according to specific circumstances.

[0022] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0023] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A combination flat spring with a stopper, characterized by: The utility model relates to a combined butterfly spring (1), bottom plate (2), arc spring piece (6), the top end center of bottom plate (2) is provided with fixed rod (3), the upper end surface of fixed rod (3) is provided with threaded section (4), threaded section (4) is set up with lock nut (5), the top end of bottom plate (2) and be located fixed rod (3) set up with a plurality of combined butterfly spring (1), the combined butterfly spring (1) includes upper butterfly spring (1.1), the one side lower end of upper butterfly spring (1.1) is provided with lower butterfly spring (1.2), the other side of upper butterfly spring (1.1) is embedded with first limit card seat (1.3), the other side of lower butterfly spring (1.2) is embedded with second limit card seat (1.4), the bottom of first limit card seat (1.3) is provided with guide rod (10), the top of second limit card seat (1.4) is provided with sleeve (7), the inside of sleeve (7) is provided with buffer spring (8), the top of buffer spring (8) is provided with push plate (9), the top of push plate (9) is provided with guide rod (10), guide rod (10) swing joint has sleeve (7), arc spring piece (6) is set up between upper butterfly spring (1.1) and lower butterfly spring (1.2), the bottom of lower butterfly spring (1.2) is provided with spring structure (11), the inside of spring structure (11) is provided with damper (12), the top end of upper butterfly spring (1.1) and bottom plate (2) are all seted up with clamping groove (14), the lower end of spring structure (11) is provided with clamping block (13), the size of clamping block (13) is matched and installs clamping groove (14).