Bending-resistant belleville spring assembly

Abstract

The utility model discloses an anti-bending belleville spring assembly which comprises a plane ring piece, a first belleville spring base body, a second belleville spring base body and a first anti-bending supporting piece, the first belleville spring base body is concentrically arranged above the plane ring piece, the second belleville spring base body is concentrically arranged below the plane ring piece, and the first anti-bending supporting piece is arranged on the plane ring piece. First grooves extending in the radial direction are formed in the top face of the plane ring piece in an annular array mode, the first anti-bending supporting pieces are arranged in the first grooves, each first anti-bending supporting piece comprises a first elastic piece and a second elastic piece, and the first elastic pieces and the second elastic pieces are connected in a V shape. According to the bending-resistant belleville spring assembly, the effective contact area between the first belleville spring base body and the plane ring piece and the effective contact area between the second belleville spring base body and the plane ring piece are large, the edges are not prone to deformation when the bending-resistant belleville spring assembly is stressed, the dislocation problem is avoided, and the overall elastic force is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to disc spring technical field especially relates to a kind of bending-resistant disc spring assemblies. BACKGROUND

[0002] The structure of single disc spring is similar to conical disc structure, which is deformed after compression and stores certain potential energy. Disc spring can be used individually or in combination with multiple disc springs for matching use, with high flexibility.

[0003] When two disc springs are matched, the large-diameter end or the small-diameter end of the disc spring is used for contact, so the effective contact area is relatively small. If the concentricity cannot be guaranteed, the stability of the joint may be insufficient during use. That is, when the disc spring is subjected to axial force, the joint of the two disc springs is prone to misalignment and uncontrollable bending deformation.

[0004] In order to improve the elasticity of the disc spring, a material with high hardness needs to be used, but such material is high in cost and difficult to process, and needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a bending-resistant disc spring assembly to avoid misalignment or uncontrollable bending at the joint and improve overall elasticity.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] A bending-resistant disc spring assembly includes a planar ring piece, a first disc spring base, a second disc spring base, and a first bending-resistant support. The first disc spring base is concentrically arranged above the planar ring piece, and the second disc spring base is concentrically arranged below the planar ring piece. The top surface of the planar ring piece is arranged with a first groove extending in the radial direction, and the first bending-resistant support is arranged in the first groove. The first bending-resistant support includes a first elastic piece and a second elastic piece, and the first elastic piece and the second elastic piece are connected in a V shape.

[0008] The inner concave surface of the first disc spring base points downward to the top surface of the planar ring piece.

[0009] The inner concave surface of the second disc spring base points upward to the bottom surface of the planar ring piece.

[0010] The bottom surface of the planar ring piece is arranged with a second groove extending in the radial direction, and the second bending-resistant support is arranged in the second groove.

[0011] The second bending-resistant support includes a third elastic piece and a fourth elastic piece, and the third elastic piece and the fourth elastic piece are connected in an inverted V shape.

[0012] The second anti-bending support is welded and fixed in the second groove, the third and fourth springs have the same thickness, and the depth of the second groove is greater than the thickness of the third spring.

[0013] The first anti-bending support is welded and fixed in the first groove.

[0014] The first and second springs have the same thickness, and the depth of the first groove is greater than the thickness of the second spring.

[0015] The beneficial effects of this utility model are as follows: A bending-resistant disc spring assembly is specially designed with a planar ring plate, which avoids direct contact between the first disc spring base and the second disc spring base. The effective contact area between the first and second disc spring bases and the planar ring plate is large, the edges are not easily deformed under force, the concentricity requirement is low, and the misalignment problem is avoided. Furthermore, the first and second bending-resistant support members are used to provide elastic support for the first and second disc spring bases, thereby improving the overall elasticity. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 yes Figure 1 Top view of the mid-plane annular piece. Detailed Implementation

[0018] The following is combined Figures 1-2 The technical solution of this utility model will be further illustrated through specific embodiments.

[0019] like Figure 1 The bending-resistant disc spring assembly shown includes: a planar ring plate 3, a first disc spring base 1, a second disc spring base 2, and a first bending-resistant support 5. The first disc spring base 1 is concentrically arranged above the planar ring plate 3, and the second disc spring base 1 is concentrically arranged below the planar ring plate 3. The first disc spring base 1 and the second disc spring base 2 respectively adopt a conical disc structure, which is convenient to process and has low cost.

[0020] In the embodiment, the inner concave surface of the first disc spring base body 1 points downward to the top surface of the flat ring piece 3, and the inner concave surface of the second disc spring base body 3 points upward to the bottom surface of the flat ring piece 3, and the direct contact between the first disc spring base body 1 and the second disc spring base body 2 is avoided by the flat ring piece 3. The first disc spring base body 1 and the second disc spring base body 2 have the same structure, and the inner diameter of the flat ring piece 3 corresponds to the minimum inner diameter of the first disc spring base body 1, which does not affect the installation of the first disc spring base body 1 and the second disc spring base body 2 on the shaft part, and can also ensure the concentricity of the flat ring piece 3, the first disc spring base body 1 and the second disc spring base body 2 after assembly through the shaft part.

[0021] As shown in Figure 1 , the effective contact area between the first disc spring base body 1, the second disc spring base body 2 and the flat ring piece 3 is large, and the edges of the first disc spring base body 1 and the second disc spring base body 2 are not easy to deform under stress, avoiding the problems of misalignment and edge bending deformation.

[0022] As shown in Figure 2 , the top surface of the flat ring piece 3 is annularly arranged with four first grooves 31 extending in the radial direction, and the first anti-bending support 5 is arranged in the first groove 31. The first anti-bending support 5 includes a first elastic sheet 51 and a second elastic sheet 52, which are connected in a V shape to elastically support the first disc spring base body 1. When the first disc spring base body 1 is deformed downward under stress, the V-shaped first anti-bending support 5 supports the bottom surface of the first disc spring base body 1 to resist the deformation of the first disc spring base body 1 and improve the overall elasticity.

[0023] In the embodiment, the first anti-bending support 5 is welded and fixed in the first groove 31, and the structure is stable. The thickness of the first elastic sheet 51 and the second elastic sheet 52 is the same, and an integrated steel structure can be used. The depth of the first groove 31 is greater than the thickness of the second elastic sheet 52, and the first elastic sheet 51 and the second elastic sheet 52 are bent and deformed outwardly under stress and gradually hidden in the first groove 31, without affecting the compression stroke of the first disc spring base body 1.

[0024] As shown in Figure 1 , the bottom surface of the flat ring piece 3 is annularly arranged with four second grooves 32 extending in the radial direction, and the second anti-bending support 4 is arranged in the second groove 32. The second anti-bending support 4 includes a third elastic sheet 41 and a fourth elastic sheet 42, which are connected in an inverted V shape to elastically support the second disc spring base body 2 through the second anti-bending support 4, resist the bending deformation of the second disc spring base body 2 when it is stressed upward, and increase the overall elasticity.

[0025] In the embodiment, the second anti-bending support 4 is welded and fixed in the second groove 32, and the structure is stable. The third elastic sheet 41 and the fourth elastic sheet 42 have the same thickness, and can adopt an integrated steel structure. The depth of the second groove 32 is greater than the thickness of the third elastic sheet 41, the third elastic sheet 41 and the fourth elastic sheet 42 are deformed and bent outwards when stressed, and gradually hide in the second groove 32, without affecting the compression stroke of the second anti-bending support 4.

[0026] The above merely describes the preferred embodiments of the present application, and for those skilled in the art, according to the idea of the present application, the specific implementation manner and application range can be changed, and the content of the specification should not be understood as limiting the present application.

Claims

1. A flex-resistant disc spring assembly, characterized by The utility model relates to a kind of first and second anti-bending supports of disc spring, comprising: Plane ring piece, first disc spring base, second disc spring base and first anti-bending support, the first disc spring base is concentrically arranged above plane ring piece, the second disc spring base is concentrically arranged below plane ring piece, the top surface of the plane ring piece annular array is provided with radially extending first groove, the first anti-bending support is arranged in first groove, the first anti-bending support includes first spring piece and second spring piece, the first spring piece and second spring piece are connected in V shape.

2. The anti-buckling disc spring assembly of claim 1, wherein, The inner concave surface of the first disc spring base points downward to the top surface of plane ring piece.

3. The anti-buckling disc spring assembly of claim 1, wherein, The inner concave surface of the second disc spring base points upward to the bottom surface of plane ring piece.

4. The anti-bend disc spring assembly of claim 1, wherein, The bottom surface of the plane ring piece annular array is provided with radially extending second groove, and the second anti-bending support is arranged in the second groove.

5. The anti-buckling disc spring assembly of claim 4, wherein, The second anti-bending support includes third spring piece and fourth spring piece, and the third spring piece and fourth spring piece are connected in inverted V shape.

6. The anti-bend disc spring assembly of claim 5, wherein, The second anti-bending support is welded and fixed in the second groove, the thickness of the third spring piece and the fourth spring piece is the same, and the depth of the second groove is greater than the thickness of the third spring piece.

7. The anti-bend disc spring assembly of claim 1, wherein, The first anti-bending support is welded and fixed in the first groove.

8. The anti-bend disc spring assembly of claim 1, wherein, The thickness of the first spring piece and the second spring piece is the same, and the depth of the first groove is greater than the thickness of the second spring piece.

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