CN211599378U

CN211599378U - Precision clutch spring for automobile

Info

Publication number: CN211599378U
Application number: CN201922230813.0U
Authority: CN
Inventors: 楼静先; 楼芬娣; 楼华娣
Original assignee: Zhejiang Isri Shuangdi Spring Co ltd
Current assignee: Zhejiang Isri Shuangdi Spring Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-09-29
Anticipated expiration: 2029-12-12

Abstract

The utility model belongs to the technical field of the car spring, especially, relate to an accurate type clutch spring for car. The utility model discloses, including main part spring and mount pad, the one end fixed connection of main part spring is on the mount pad, and the clamp plate subassembly is pressed and is established the one end of keeping away from the mount pad at the main part spring, still includes elasticity increase mechanism and elasticity reducing mechanism of elasticity size between adjustable mount pad and the clamp plate subassembly, elasticity increase mechanism one end is pressed and is established on the mount pad, and the other end is pressed and is established on the clamp plate subassembly, elasticity reducing mechanism sliding connection is in the clamp plate subassembly, and the one end of elasticity reducing mechanism extends to outside the clamp plate subassembly. The utility model discloses be equipped with elasticity increase mechanism and elasticity reduction mechanism that is used for adjusting elasticity between mount pad and the clamp plate subassembly, made things convenient for the regulation to the clutch elasticity, and, the utility model has the advantages of simple structure, convenient to use, manufacturing cost is lower, suitable extensive using widely.

Description

Precision clutch spring for automobile

Technical Field

The utility model belongs to the technical field of the car spring, especially, relate to an accurate type clutch spring for car.

Background

A spring is a mechanical part that works by elasticity. The parts made of elastic materials deform under the action of external force, and restore to the original shape after the external force is removed, and are generally made of spring steel. The types of springs are complex and various, and mainly include spiral springs, volute springs, plate springs, special springs and the like according to the shapes. However, the elasticity of the existing clutch spring can not be adjusted, a user can only replace the spring when feeling that the clutch is too loose, and can only cut off the part of the spring when feeling that the clutch is too tight, so that the operation is very troublesome, and particularly, when the clutch needs to be cut off due to too tight clutch, once the spring is cut off too much, the spring can not be restored and can only be replaced.

For example, chinese utility model patent discloses a clutch spring [ application number: 201721042069.6], which comprises a body made of a cylindrical metal rod wound spirally, the two ends of the body having tangent planes parallel to each other, wherein one end of the body is provided with three first positioning posts distributed uniformly in a ring shape, the inner ends of the first positioning posts are connected with the metal rod and connected to form an integral structure, the outer end of the first positioning post is provided with a first radial through groove, the two side walls of the first radial through groove are respectively provided with a plurality of first limiting teeth distributed uniformly along the radial direction of the first positioning post, the outer end of each first limiting tooth is provided with a first arc transition, the first radial through grooves of the three first positioning posts are parallel to each other, the other end of the body is provided with two symmetrically arranged second positioning posts, the inner ends of the second positioning posts are connected with the metal rod and connected to form an integral structure, the outer end of each second positioning post is provided with a second radial through groove, the radial logical wall of second all be equipped with a plurality of along the spacing tooth of the radial evenly distributed's of second reference column second on the radial logical wall both sides wall of second, it is excessive to all have the second arc in every second spacing tooth outer end, the axis of second reference column tangent with the body, and the radial logical groove of second of two second reference columns all is parallel to each other with the first radial logical groove of three first reference column.

The utility model discloses a have reasonable in design, the installation of being convenient for, the reliable advantage in location, it still does not solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide an accurate type clutch spring for car.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a car is with accurate type clutch spring, includes main part spring and mount pad, the one end fixed connection of main part spring is on the mount pad, and the clamp plate subassembly is pressed and is established the one end of keeping away from the mount pad at the main part spring, still includes elasticity increase mechanism and elasticity reducing mechanism of elasticity size between adjustable mount pad and the clamp plate subassembly, elasticity increase mechanism one end is pressed and is established on the mount pad, and the other end is pressed and is established on the clamp plate subassembly, elasticity reducing mechanism sliding connection is in the clamp plate subassembly, and the one end of elasticity reducing mechanism extends to outside the clamp plate subassembly.

In the above-described precision clutch spring for an automobile, the guide plate having an outer surface in the shape of an arc protrudes from the upper surface of the mount base, and the inner surface of the main spring is attached to the outer surface of the guide plate.

In the above-mentioned precision clutch spring for an automobile, the elastic force increasing mechanism includes an additional spring having one end pressed on the mounting seat and the other end pressed on the pressure plate assembly, and the additional spring is located in the main spring.

In the above-described precision clutch spring for an automobile, the axial line of the additional spring and the axial line of the main spring are overlapped with each other, the inner surface of the guide piece is formed in an arc shape, and the outer surface of the additional spring is bonded to the inner surface of the guide piece.

In the above-mentioned precision type clutch spring for car, the clamp plate subassembly includes that the pressure of pressing establishes the first clamp plate on the main part spring and with first clamp plate fixed connection's direction pressure platform, the direction is pressed the platform and is extended to in the main part spring, and the direction is pressed the platform surface and is projected and be annular second clamp plate, and the slip clamp plate subassembly can make the second clamp plate press and establish on elasticity increase mechanism.

In foretell precision type clutch spring for car, elasticity reduces the mechanism and includes the pressure-bearing plate and with pressure-bearing plate fixed connection's pressure bar of leading, lead the one end that the pressure bar was kept away from the pressure-bearing plate and extend to in the clamp plate subassembly and lead depression bar and clamp plate subassembly sliding connection, lead the depression bar and pass through reset spring and fixture block elastic connection, the clamp plate subassembly side has the card hole that a plurality of extended along main part spring axial lead direction, fixture block one end sliding connection is in leading the depression bar, and the other end extends to outside the clamp plate subassembly through the card hole.

In the above-mentioned precision clutch spring for an automobile, a guide inclined plane is provided on one side of the fixture block away from the mounting seat.

In the above-described precision clutch spring for an automobile, a distance between two adjacent engaging holes is equal to a pitch of the main body spring.

In the above-mentioned precision clutch spring for an automobile, the elasticity reducing mechanism further includes two spring clamping jaws slidably connected to both sides of the pressing plate assembly, respectively, the sliding spring clamping jaws can press the spring clamping jaws on the main body spring, and the distance between the two spring clamping jaws in the axial line direction of the main body spring is half of the pitch of the main body spring.

In the above-mentioned precision type clutch spring for automobile, the main part spring tip has the plane, when the clamp plate subassembly is pressed and is established on the main part spring, plane and clamp plate subassembly laminating mutually.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses be equipped with elasticity increase mechanism and elasticity reduction mechanism that is used for adjusting elasticity between mount pad and the clamp plate subassembly, made things convenient for the regulation to the clutch elasticity.

2. The utility model has the advantages of simple structure, convenient to use, manufacturing cost is lower, suitable extensive using widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is a cross-sectional view of the platen assembly;

FIG. 4 is a cross-sectional view of another angle of the platen assembly;

in the figure: the spring clamping device comprises a main body spring 1, a mounting seat 2, a pressure plate assembly 3, an elastic force increasing mechanism 4, an elastic force reducing mechanism 5, a plane 6, a guide sheet 21, a first pressure plate 31, a guide pressure table 32, a second pressure plate 33, an additional spring 41, a pressure bearing plate 51, a guide pressure rod 52, a return spring 53, a clamping block 54, a clamping hole 55, a guide inclined plane 56 and a spring clamping jaw 57.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Combine shown in fig. 1 and fig. 2, a precision type clutch spring for car, including main part spring 1 and mount pad 2, the one end fixed connection of main part spring 1 is on mount pad 2, and clamp plate subassembly 3 presses and establishes the one end of keeping away from mount pad 2 at main part spring 1, and the clutch is connected with clamp plate subassembly 3, tramples the clutch and can make clamp plate subassembly 3 take place to be close to the removal of mount pad 2, still includes elasticity increase mechanism 4 and elasticity reduction mechanism 5 of elasticity size between adjustable mount pad 2 and the clamp plate subassembly 3, 4 one end of elasticity increase mechanism are pressed and are established on mount pad 2, and the other end is pressed and is established on clamp plate subassembly 3, elasticity reduction mechanism 5 sliding connection is in clamp plate subassembly 3, and the one end of elasticity reduction mechanism 5 extends to outside clamp plate subassembly 3.

The utility model discloses, during the use, trample the clutch with experience main part spring 1 elasticity between mount pad 2 and clamp plate assembly 3, rethread elasticity increase mechanism 4 or elasticity reduce mechanism 5 with increase this elasticity or reduce this elasticity, so the utility model discloses be equipped with elasticity increase mechanism 4 and elasticity reduce mechanism 5 that is used for adjusting elasticity between mount pad 2 and the clamp plate assembly 3, made things convenient for the regulation to the clutch elasticity.

Preferably, the upper surface of the mounting seat 2 protrudes with a guide piece 21 with an arc-shaped outer surface, the inner surface of the main body spring 1 is attached to the outer surface of the guide piece 21, and the guide piece 21 has guidance for the compression process of the main body spring 1, so as to prevent the main body spring 1 from being bent in the compression process.

As shown in fig. 2, the elasticity increasing mechanism 4 includes an additional spring 41 with one end pressed on the mounting base 2 and the other end pressed on the pressing plate assembly 3, and the additional spring 41 is located in the main body spring 1, so that the overall volume of the product can be reduced, and the product can be conveniently mounted, stored and transported, when the pressing plate assembly 3 is slid, the elasticity between the pressing plate assembly 3 and the mounting base 2 includes the elasticity generated by the main body spring 1 and the elasticity generated by the additional spring 41, and the total elasticity is increased, so as to solve the problem of loose clutch.

Preferably, the axial line of the additional spring 41 and the axial line of the main spring 1 coincide with each other, so that the additional spring 41 and the main spring 1 generate the same direction of elastic force to generate a larger resultant force.

Preferably, the inner surface of the guide plate 21 is arc-shaped, the outer surface of the additional spring 41 is attached to the inner surface of the guide plate 21, and the guide plate 21 has guidance for the compression process of the additional spring 41 to prevent the additional spring 41 from being bent during the compression process.

As shown in fig. 2, the pressing plate assembly 3 includes a first pressing plate 31 pressed on the main body spring 1 and a guiding pressing platform 32 fixedly connected with the first pressing plate 31, the guiding pressing platform 32 extends into the main body spring 1, an annular second pressing plate 33 protrudes from the outer surface of the guiding pressing platform 32, the sliding pressing plate assembly 3 can enable the second pressing plate 33 to be pressed on the elasticity increasing mechanism 4, when the clutch is stepped, the first pressing plate 31 is pressed on the main body spring 1, and if the additional spring 41 is provided, the second pressing plate 33 is pressed on the additional spring 41.

Referring to fig. 3 and 4, the elasticity reducing mechanism 5 includes a pressure-bearing plate 51 and a pressure-guiding rod 52 fixedly connected to the pressure-bearing plate 51, one end of the pressure-guiding rod 52, which is far away from the pressure-bearing plate 51, extends into the pressure plate assembly 3, the pressure-guiding rod 52 is slidably connected to the pressure plate assembly 3, the pressure-guiding rod 52 is elastically connected to a fixture block 54 through a return spring 53, the side surface of the pressure plate assembly 3 is provided with a plurality of clamping holes 55 extending along the axial lead direction of the main spring 1, one end of the fixture block 54 is slidably connected to the pressure-guiding rod 52, and the other end of the fixture block 54 extends out of the pressure plate assembly.

When the clutch is sensed to be too tight, the pressure plate assembly 3 can be detached and reinstalled in the main body spring 1, so that the pressure plate assembly 3 is pressed on one spiral ring in the middle of the main body spring 1 and is not pressed on the end part of the main body spring 1, the pressure bearing plate 51 is lifted to be flush with the end part of the main body spring 1 by sliding the pressure guiding rod 52, the buckling force between the clamping block 54 and the clamping hole 55 prevents the pressure guiding rod 52 from retracting, thus, part of the main body spring 1 between the pressure bearing plate 51 and the pressure plate assembly 3 can not be compressed in the compression process, and the effect similar to the effect that the main body spring 1 is partially cut off is achieved.

Preferably, a side of the latch 54 away from the mounting seat 2 is provided with a guide slope 56, so that the guide rod 52 can slide to adjust the height of the main body spring 1.

Preferably, the distance between two adjacent locking holes 55 is equal to the pitch of the main spring 1, so that one graduation is not adjusted, i.e., one turn of the spiral coil is reduced or increased, thereby improving the controllability of the adjustment.

As shown in fig. 3, the elasticity reducing mechanism 5 further includes two spring clamping jaws 57 respectively slidably connected to two sides of the pressing plate assembly 3, the sliding spring clamping jaws 57 can enable the spring clamping jaws 57 to be pressed on the main body spring 1, the distance between the two spring clamping jaws 57 in the axial lead direction of the main body spring 1 is half of the pitch of the main body spring 1, the two spring clamping jaws 57 at a distance of 180 degrees are respectively pressed on the main body springs 1 at two sides, so that the stability of the connection between the pressing plate assembly 3 and the main body spring 1 is improved, further, the pressing plate assembly 3 and the main body spring 1 can be spot-welded, and the connection firmness is improved while the detachment is easy.

As shown in FIG. 2, the end of the main spring 1 is provided with a plane 6, and when the pressing plate assembly 3 is pressed on the main spring 1, the plane 6 is attached to the pressing plate assembly 3, so that the attaching tightness between the main spring 1 and the pressing plate assembly 3 can be improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the body spring 1, the mounting seat 2, the pressing plate assembly 3, the elastic force increasing mechanism 4, the elastic force reducing mechanism 5, the plane 6, the guide blade 21, the first pressing plate 31, the guide pressing table 32, the second pressing plate 33, the additional spring 41, the bearing plate 51, the guide pressing rod 52, the return spring 53, the latch 54, the latch hole 55, the guide slope 56, the spring clamping jaw 57, etc., are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a car is with accurate type clutch spring, includes main part spring (1) and mount pad (2), the one end fixed connection of main part spring (1) is on mount pad (2), and clamp plate subassembly (3) are pressed and are established the one end of keeping away from mount pad (2) in main part spring (1), its characterized in that: the elastic force increasing mechanism (4) and the elastic force reducing mechanism (5) are further included, the elastic force between the mounting seat (2) and the pressing plate assembly (3) can be adjusted, one end of the elastic force increasing mechanism (4) is pressed on the mounting seat (2), the other end of the elastic force increasing mechanism is pressed on the pressing plate assembly (3), the elastic force reducing mechanism (5) is connected in the pressing plate assembly (3) in a sliding mode, and one end of the elastic force reducing mechanism (5) extends out of the pressing plate assembly (3).

2. The precision clutch spring for automobile according to claim 1, characterized in that: the upper surface of the mounting seat (2) is protruded with a guide sheet (21) with an arc-shaped outer surface, and the inner surface of the main spring (1) is attached to the outer surface of the guide sheet (21).

3. The precision clutch spring for automobiles according to claim 2, characterized in that: the elasticity increasing mechanism (4) comprises an additional spring (41) with one end pressed on the mounting seat (2) and the other end pressed on the pressure plate component (3), and the additional spring (41) is positioned in the main body spring (1).

4. The precision clutch spring for automobiles according to claim 3, characterized in that: the axial lead of the additional spring (41) is overlapped with the axial lead of the main body spring (1), the inner surface of the guide sheet (21) is arc-shaped, and the outer surface of the additional spring (41) is attached to the inner surface of the guide sheet (21).

5. The precision clutch spring for automobile according to claim 1, characterized in that: the pressing plate assembly (3) comprises a first pressing plate (31) and a guide pressing table (32), wherein the first pressing plate (31) is arranged on the main body spring (1) in a pressing mode, the guide pressing table (32) is fixedly connected with the first pressing plate (31), the guide pressing table (32) extends into the main body spring (1), a second pressing plate (33) which is annular is protruded from the outer surface of the guide pressing table (32), and the sliding pressing plate assembly (3) can enable the second pressing plate (33) to be pressed on the elasticity increasing mechanism (4).

6. The precision clutch spring for automobile according to claim 1, characterized in that: elasticity reduces mechanism (5) including bearing plate (51) and with bearing plate (51) fixed connection lead depression bar (52), lead in depression bar (52) one end of keeping away from bearing plate (51) extends to clamp plate subassembly (3) and lead depression bar (52) and clamp plate subassembly (3) sliding connection, lead depression bar (52) through reset spring (53) and fixture block (54) elastic connection, clamp plate subassembly (3) side has a plurality of along the card hole (55) that main part spring (1) axial lead direction extends, fixture block (54) one end sliding connection is in leading depression bar (52), and the other end extends to outside clamp plate subassembly (3) through card hole (55).

7. The precision clutch spring for automobiles according to claim 6, wherein: one side of the clamping block (54) far away from the mounting seat (2) is provided with a guide inclined plane (56).

8. The precision clutch spring for automobiles according to claim 6, wherein: the distance between two adjacent clamping holes (55) is equal to the thread pitch of the main body spring (1).

9. The precision clutch spring for automobiles according to claim 6, wherein: the elasticity reducing mechanism (5) further comprises two spring clamping jaws (57) which are respectively connected to two sides of the pressing plate assembly (3) in a sliding mode, the spring clamping jaws (57) can be pressed on the main body spring (1) through the sliding spring clamping jaws (57), and the distance between the two spring clamping jaws (57) in the axial lead direction of the main body spring (1) is half of the pitch of the main body spring (1).

10. The precision clutch spring for automobile according to claim 1, characterized in that: the end part of the main body spring (1) is provided with a plane (6), and when the pressing plate assembly (3) is pressed on the main body spring (1), the plane (6) is attached to the pressing plate assembly (3).