High-elasticity small spring

Abstract

The utility model discloses a high-elasticity small spring, which comprises a spring main body, the lower end of the spring main body is provided with an annular lower supporting seat, the upper end of the spring main body is provided with an annular upper supporting seat, and the opposite ends of the upper supporting seat and the lower supporting seat are respectively provided with an annular mounting groove. The upper end and the lower end of the spring body extend into the mounting grooves of the upper supporting base and the lower supporting base respectively, the inner wall of the upper supporting base and the inner wall of the lower supporting base are each fixedly connected with a U-shaped flat spring, the ends, away from openings, of the two flat springs make contact with each other, and connecting sleeves are arranged at the outer side ends of the flat springs. Through mutual contact of the two flat springs in the small spring, the flat springs deform when the spring body is compressed, the flat springs reset along with the spring body in the process that the spring body is released and reset, the elastic force is increased through superposition of the elastic force of the flat springs and the spring body, the structure is simple, and machining of the small spring is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring technical field, especially a kind of high elastic force small spring. BACKGROUND

[0002] Spring is a kind of mechanical part using elasticity to work, and the part made of elastic material is deformed under external force, and restores original shape after removing external force.

[0003] As a kind of mechanical elastic element widely used in various fields, spring also plays an indispensable role in electronic industry. From power transmission to circuit connection, from power storage to shock absorption, spring is everywhere in electronic equipment. With the increasing miniaturization and light weight of electronic equipment, the size of spring used in electronic equipment is also reduced, but the smaller the size of spring, the worse its own elasticity, and it is difficult to realize the function while reducing the size. SUMMARY

[0004] The utility model aims at providing a kind of high elastic force small spring, it can increase the component with elasticity on the basis of small spring, to avoid the elasticity of spring too small while reducing the size of spring, cannot effectively realize the function of device.

[0005] To achieve the above object, provide a kind of high elastic force small spring, including spring main body the lower end of the spring main body is equipped with the lower support seat of circular ring, the upper end of the spring main body is equipped with the upper support seat of circular ring, and the size of upper support seat and lower support column is same, the opposite end of the upper support seat and lower support seat is respectively provided with annular mounting groove, and the upper and lower ends of spring main body respectively extend to the mounting groove of upper support seat and lower support seat, the inner wall of the upper support seat and lower support seat is respectively fixedly connected with a U-shaped leaf spring, and the upper support seat and lower support seat are respectively located at the open outer side end of leaf spring, the end of two leaf springs away from opening is mutually contacted, and two leaf springs are located in spring middle part, the outer side end of the leaf spring is equipped with connecting sleeve, and connecting sleeve is around two leaf spring outer side end and connected head to tail. It can increase the component with elasticity on the basis of small spring, to avoid the elasticity of spring too small while reducing the size of spring, cannot effectively realize the function of device.

[0006] According to the high elastic force small spring, the opposite end of the upper support seat and lower support seat is respectively provided with fixed plate, and the fixed plate is fixedly connected with the upper support seat and lower support seat by welding. Fixed plate is fixedly connected with the upper support seat and lower support seat, and the two ends of spring main body are respectively fixed in the mounting groove of upper support seat and lower support seat, so that leaf spring is added on the basis of spring main body to improve the elasticity of small size spring.

[0007] According to the high-elasticity small spring, the connecting sleeve is made of stainless steel, and the two leaf springs are tightly connected by using the crimping technology. The connecting sleeve enables the two leaf springs respectively installed on the upper support seat and the lower support seat to cooperate with each other, avoids mutual friction and relative sliding of the two leaf springs when the spring body is compressed, causes the two leaf springs to fail to provide elastic force for the reset of the spring, and avoids the use of bolts and other fasteners to connect the two leaf springs, prevents the bolts from loosening during use and affecting the cooperation of the two leaf springs, and facilitates spring production.

[0008] The above-mentioned scheme has the beneficial effects that: the mutual contact of the two leaf springs in the small spring causes the leaf springs to deform when the spring body is compressed, the leaf springs are reset during the release and reset of the spring body, the elastic force of the leaf springs is superimposed on the spring body to increase the elastic force, the structure is simple, and the small spring is convenient to process.

[0009] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0010] The present application will be further described below in combination with the drawings and embodiments;

[0011] Figure 1 It is a perspective view of the high-elasticity small spring of the present application;

[0012] Figure 2 It is a perspective view of the high-elasticity small spring of the present application for removing the spring body;

[0013] Figure 3 It is a sectional view of the high-elasticity small spring of the present application for removing the spring body;

[0014] Figure 4 It is Figure 3 It is an enlarged view of A in the middle.

[0015] LEGEND:

[0016] 1, upper support seat; 2, spring body; 3, leaf spring; 4, lower support seat; 5, fixed plate; 6, connecting sleeve; 7, mounting groove. DETAILED DESCRIPTION

[0017] This part will describe the specific embodiments of the present application in detail, and the preferred embodiments of the present application are shown in the drawings, and the drawings are used to supplement the description of the text part to make people understand each technical feature and the overall technical scheme of the present application intuitively and visually, but it cannot be understood as a limitation on the protection scope of the present application.

[0018] REFERENCEFigures 1-4 The utility model discloses a high elasticity small spring, which comprises a spring main body 2, a lower support seat 4 in the shape of a ring is arranged at the lower end of the spring main body 2, an upper support seat 1 in the shape of a ring is arranged at the upper end of the spring main body 2, the upper support seat 1 is the same size as the lower support column, ring-shaped mounting grooves 7 are respectively arranged at the opposite ends of the upper support seat 1 and the lower support seat 4, the upper and lower ends of the spring main body 2 extend into the mounting grooves 7 of the upper support seat 1 and the lower support seat 4 respectively, the opposite ends of the upper support seat 1 and the lower support seat 4 are respectively provided with fixing plates 5, the fixing plates 5 are fixedly connected with the upper support seat 1 and the lower support seat 4 by welding respectively, the fixing plates 5 are used in cooperation with the upper support seat 1 and the lower support seat 4 to fix the two ends of the spring main body 2 in the mounting grooves 7 of the upper support seat 1 and the lower support seat 4 respectively, so that the leaf spring 3 can be added on the basis of the spring main body 2 to improve the elasticity of the small-size spring, the inner walls of the upper support seat 1 and the lower support seat 4 are respectively fixedly connected with a U-shaped leaf spring 3, the upper support seat 1 and the lower support seat 4 are respectively located at the opening outer side ends of the leaf spring 3, the ends, away from the openings, of the two leaf springs 3 are in contact with each other, the two leaf springs 3 are located in the middle of the spring, the outer side ends of the leaf spring 3 are provided with a connecting sleeve 6, the connecting sleeve 6 surrounds the outer side ends of the two leaf springs 3 and is connected in a head-to-tail mode, the connecting sleeve 6 is made of stainless steel, the two leaf springs 3 are tightly connected by using the crimping technology of the connecting sleeve 6, the two leaf springs 3 mounted on the upper support seat 1 and the lower support seat 4 respectively cooperate with each other under the action of the connecting sleeve 6, so that the spring main body 2 is prevented from being compressed and the two leaf springs 3 are prevented from being in contact with each other and sliding relatively, the two leaf springs 3 are prevented from being unable to provide elasticity for the reset of the spring, the connecting sleeve 6 formed by crimping is prevented from being connected by using fasteners such as bolts, the bolts are prevented from being loose during use and affecting the cooperation of the two leaf springs 3, and the spring production is facilitated.

[0019] Working principle: when the small spring is compressed, the upper support seat 1 and the lower support seat 4 cooperate to compress the spring main body 2, and at the same time, the two leaf springs 3 are deformed, after the small spring is not compressed, the spring main body 2 and the two leaf springs 3 are reset respectively, the elasticity of the spring main body 2 and the two leaf springs 3 is superposed during the reset process, and the upper support seat 1 and the lower support seat 4 are reset; when the small spring is assembled, the two leaf springs 3 are welded on the upper support seat 1 and the lower support seat 4 respectively, the spring main body 2 is arranged between the upper support seat 1 and the lower support seat 4, and the two ends of the spring main body 2 enter the mounting grooves 7 on the upper support seat 1 and the lower support seat 4, and at the same time, the two leaf springs 3 are in contact with each other, then the connecting sleeve 6 in the state of a metal sheet is bent and surrounds the surfaces of the contact parts of the two leaf springs 3 and is connected in a head-to-tail mode, crimping equipment is used to compress the connecting sleeve 6, so that the two leaf springs 3 are tightly connected, finally, welding equipment is used to weld the fixing plates 5 on the upper support seat 1 and the lower support seat 4 respectively, and the spring main body 2 is fixed.

[0020] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range that the person skilled in the art has possesses without departing from the utility model's tenet under the precondition that the knowledge range that the person skilled in the art has possesses.

Claims

1. A high force spring comprising: The utility model provides a spring body (2), its characterized in be equipped with the circular ring lower support seat (4) in the lower end of spring body (2), be equipped with the circular ring upper support seat (1) in the upper end of spring body (2), and the size of upper support seat (1) is same with lower support column, the opposite end of upper support seat (1) and lower support seat (4) is equipped with the annular mounting groove (7) respectively, and the upper and lower ends of spring body (2) respectively extend to the mounting groove (7) of upper support seat (1) and lower support seat (4), the inner wall of upper support seat (1) and lower support seat (4) is fixedly connected with a U -shaped leaf spring (3) respectively, and upper support seat (1) and lower support seat (4) are located the open outer side end of leaf spring (3) respectively, and the end of two leaf springs (3) away from the opening is contacted each other, and two leaf springs (3) are located in spring middle part, the outer side end of leaf spring (3) is equipped with connecting sleeve (6), and connecting sleeve (6) surrounds two leaf spring (3) outer side end and is connected in head and tail.

2. A high force spring according to claim 1, wherein, The opposite end of upper support seat (1) and lower support seat (4) is equipped with fixed plate (5) respectively, and fixed plate (5) is fixedly connected with upper support seat (1), lower support seat (4) through the mode of welding respectively.

3. The high tension spring of claim 1, wherein Connecting sleeve (6) is stainless steel material, and connecting sleeve (6) is connected tightly with two leaf springs (3) using the pressure connection technology.

Images