CN219139676U

CN219139676U - Butterfly spring with strong bearing capacity

Info

Publication number: CN219139676U
Application number: CN202223339850.3U
Authority: CN
Inventors: 邹先平
Original assignee: Dongguan Xiechen Precision Hardware Co ltd
Current assignee: Dongguan Xiechen Precision Hardware Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-06
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a butterfly spring with strong bearing capacity, which comprises a combined butterfly spring, wherein the combined butterfly spring comprises a plurality of upper butterfly spring bodies and lower butterfly spring bodies, press rings are fixedly connected to the joints of the upper butterfly spring bodies and the lower butterfly spring bodies, a plurality of arc-shaped elastic sheets are fixedly connected between the upper butterfly spring bodies and the adjacent lower butterfly spring bodies in a fitting manner, an upper connecting ring is fixedly connected to the inner surfaces of the upper butterfly spring bodies, and a lower connecting ring is fixedly connected to the inner surfaces of the lower butterfly spring bodies. According to the utility model, the belleville springs are uniformly compressed through the self-guiding mechanism when being subjected to compression force through the arranged inner guiding tube, the guiding sleeve, the guiding rod, the limiting sliding sleeve and the arc-shaped elastic sheet, so that the belleville springs are uniformly stressed, local torsion and deflection of the belleville springs when being compressed can be avoided, torsion and deformation of the belleville springs can be avoided, and the service life of the belleville springs is prolonged.

Description

Butterfly spring with strong bearing capacity

Technical Field

The utility model relates to the technical field of belleville springs, in particular to a belleville spring with strong bearing capacity.

Background

The butterfly spring is a mechanical part working by utilizing elasticity and is in a conical disk shape, and the butterfly spring has the characteristics of compact structure, high strength, small vertical expansion and contraction and the like and is often used for occasions such as high compression fixation, high strength buffering and the like. Because the deformation and load values of the single-leaf springs often cannot meet the requirements, the single-leaf springs generally provide enough elastic expansion through a considerable amount of superposition to play a role;

the existing belleville spring is in daily use, because the guiding performance is lacked, when the stress at the top of the belleville spring is uneven, local distortion and deflection easily occur, and if the belleville spring is compressed and flattened at the moment, the belleville spring is caused to deform in a distorted way, so that the belleville spring is damaged, and the elastic effect, the bearing capacity and the service life of the belleville spring are reduced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a belleville spring with strong bearing capacity.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a butterfly spring that bearing capacity is strong, includes the combination butterfly spring, the combination butterfly spring includes a plurality of last butterfly spring body and lower butterfly spring body, a plurality of go up the equal fixedly connected with clamping ring of department of butterfly spring body and lower butterfly spring body, and laminating setting between two clamping rings, a plurality of go up the butterfly spring body and the adjacent joint fixedly connected with a plurality of arc shell fragments down between the butterfly spring body, a plurality of go up the internal surface fixedly connected with go up the go up the connecting ring, a plurality of lower internal surface fixedly connected with down the go up the connecting ring, a plurality of go up the bottom fixedly connected with inner guide tube of connecting ring, a plurality of the surface of inner guide tube all overlaps and is equipped with the uide bushing, and fixedly connected with down between the connecting ring, a plurality of go up the connecting ring all and the adjacent joint fixedly connected with coupling assembling down between the connecting ring.

Further, the plurality of connecting components all include screwed ring and thread groove, and fixed connection between screwed ring and the lower go-between, and the top at last go-between is seted up to the thread groove, threaded connection is favorable to whole equipment between screwed ring and the adjacent thread groove.

Further, a plurality of the surface of interior stand pipe is all fixedly connected with a plurality of guide bars, and is a plurality of the bottom of interior stand pipe is all with the bottom of adjacent guide bar between common fixedly connected with spacing ring, and the spacing ring has spacing effect, avoids uide bushing and interior stand pipe to take place the overtravel to remove.

Further, a plurality of the internal surface of uide bushing is all fixedly connected with spacing sliding sleeve, and sliding connection between spacing sliding sleeve and the adjacent guide bar, and the guide bar has spacing effect to spacing sliding sleeve, guarantees the stability of relative movement between interior stand pipe and the uide bushing.

Further, a plurality of go up the go up connect ring and be connected through the welding between the adjacent interior stand pipe, need not other connection accessory for simple structure makes to go up to have good joint strength between go up connect ring and the interior stand pipe.

Further, a plurality of lower connecting rings are connected with adjacent guide sleeves through welding, and other connecting accessories are not needed, so that the structure is simple, and good connecting strength is achieved between the lower connecting rings and the guide sleeves.

Furthermore, the beryllium copper alloy is selected for the upper butterfly spring body and the lower butterfly spring body, and the beryllium copper alloy has high hardness, elastic limit, fatigue limit and wear resistance.

The utility model has the beneficial effects that:

1. when the butterfly spring with strong bearing capacity is used, the butterfly spring is uniformly compressed through the self-guiding mechanism when being subjected to compression force through the inner guiding tube, the guiding sleeve, the guiding rod, the limiting sliding sleeve and the arc-shaped elastic sheet, so that the stress of the butterfly spring is uniform, the local torsion and deflection of the butterfly spring when being compressed can be avoided, the torsion and deformation of the butterfly spring can be avoided, and the service life of the butterfly spring is prolonged;

2. when the butterfly spring with high bearing capacity is used, the butterfly spring can be prevented from being completely flattened, and the butterfly spring can still have good elasticity after being compressed for a long time by being matched with the arc spring, so that the overall bearing capacity is increased.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a partial cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the connection of the guide sleeve and the inner guide tube of the present utility model.

Legend description:

1. a combined butterfly spring; 11. a butterfly spring body; 12. a compression ring; 13. a lower butterfly spring body; 2. an upper connecting ring; 21. a thread groove; 3. an arc-shaped elastic sheet; 4. a lower connecting ring; 41. a threaded ring; 5. an inner guide tube; 51. a guide rod; 52. a limiting ring; 6. a guide sleeve; 61. and a limiting sliding sleeve.

Detailed Description

Fig. 1 to 3 show, relate to a butterfly spring with strong bearing capacity, comprising a combined butterfly spring 1, wherein the combined butterfly spring 1 comprises a plurality of upper butterfly spring bodies 11 and lower butterfly spring bodies 13, the joint parts of the upper butterfly spring bodies 11 and the lower butterfly spring bodies 13 are fixedly connected with compression rings 12, the two compression rings 12 are attached to each other, a plurality of arc-shaped elastic sheets 3 are fixedly connected between the upper butterfly spring bodies 11 and the adjacent lower butterfly spring bodies 13, the inner surfaces of the upper butterfly spring bodies 11 are fixedly connected with upper connecting rings 2, the inner surfaces of the lower butterfly spring bodies 13 are fixedly connected with lower connecting rings 4, the bottoms of the upper connecting rings 2 are fixedly connected with inner guide pipes 5, the guide sleeve 6 is sleeved on the outer surfaces of the inner guide pipes 5, the guide sleeve 6 is fixedly connected with the lower connecting ring 4, and the connecting components are connected between the upper connecting rings 2 and the adjacent lower connecting rings 4.

As shown in FIG. 2, the beryllium copper alloy is selected for the upper and lower

butterfly spring bodies

11 and 13.

As shown in fig. 2 and 3, the plurality of connection components each include a threaded ring 41 and a threaded groove 21, the threaded ring 41 is fixedly connected with the lower connection ring 4, the threaded groove 21 is formed at the top of the upper connection ring 2, and the threaded ring 41 is in threaded connection with the adjacent threaded groove 21.

The upper connecting rings 2 are connected with the adjacent inner guide pipes 5 by welding.

The plurality of lower connecting rings 4 are connected with the adjacent guide sleeve 6 by welding.

As shown in fig. 3, the outer surfaces of the inner guide pipes 5 are fixedly connected with a plurality of guide rods 51, and a limiting ring 52 is fixedly connected between the bottoms of the inner guide pipes 5 and the bottoms of the adjacent guide rods 51.

The inner surfaces of the guide sleeves 6 are fixedly connected with limiting sliding sleeves 61, and the limiting sliding sleeves 61 are in sliding connection with the adjacent guide rods 51.

When the belleville spring with strong bearing capacity is used, the belleville spring is integrally assembled by matching the thread groove 21 with the thread ring 41, then the belleville spring is installed on required equipment, the upper connecting ring 2 is pushed to move downwards when the belleville spring is stressed, the lower connecting ring 4 is vertically close to the belleville spring under the action of the inner guide tube 5, the guide rod 51, the limiting sliding sleeve 61 and the guide sleeve 6, and accordingly the upper belleville spring body 11, the lower belleville spring body 13 and the arc-shaped elastic sheet 3 are uniformly stressed.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a butterfly spring that bearing capacity is strong, includes combination butterfly spring (1), its characterized in that: the combined butterfly spring (1) comprises a plurality of upper butterfly spring bodies (11) and lower butterfly spring bodies (13), wherein the joints of the upper butterfly spring bodies (11) and the lower butterfly spring bodies (13) are fixedly connected with compression rings (12), the two compression rings (12) are arranged in a laminating mode, the upper butterfly spring bodies (11) and the adjacent lower butterfly spring bodies (13) are fixedly connected with a plurality of arc-shaped elastic sheets (3) together, the inner surfaces of the upper butterfly spring bodies (11) are fixedly connected with an upper connecting ring (2), the inner surfaces of the lower butterfly spring bodies (13) are fixedly connected with a lower connecting ring (4), the bottoms of the upper connecting ring (2) are fixedly connected with inner guide tubes (5), the outer surfaces of the inner guide tubes (5) are sleeved with guide sleeves (6), the guide sleeves (6) are fixedly connected with the lower connecting ring (4), and the upper connecting rings (2) are fixedly connected with connecting components between the adjacent lower connecting rings (4).

2. A high load bearing belleville spring according to claim 1, wherein: the connecting components comprise threaded rings (41) and threaded grooves (21), the threaded rings (41) are fixedly connected with the lower connecting ring (4), the threaded grooves (21) are formed in the top of the upper connecting ring (2), and the threaded rings (41) are connected with the adjacent threaded grooves (21) in a threaded mode.

3. A high load bearing belleville spring according to claim 1, wherein: a plurality of guide rods (51) are fixedly connected to the outer surfaces of the inner guide pipes (5), and limiting rings (52) are fixedly connected between the bottoms of the inner guide pipes (5) and the bottoms of the adjacent guide rods (51).

4. A high load bearing belleville spring according to claim 3, wherein: the inner surfaces of the guide sleeves (6) are fixedly connected with limiting sliding sleeves (61), and the limiting sliding sleeves (61) are in sliding connection with the adjacent guide rods (51).

5. A high load bearing belleville spring according to claim 1, wherein: the upper connecting rings (2) are connected with the adjacent inner guide pipes (5) through welding.

6. A high load bearing belleville spring according to claim 1, wherein: the lower connecting rings (4) are connected with the adjacent guide sleeves (6) through welding.

7. A high load bearing belleville spring according to claim 1, wherein: and the plurality of upper butterfly spring bodies (11) and the plurality of lower butterfly spring bodies (13) are made of beryllium copper alloy.