CN210363247U

CN210363247U - Novel installation assembly of helical spring

Info

Publication number: CN210363247U
Application number: CN201921142650.4U
Authority: CN
Inventors: 杨博
Original assignee: Jiangsu Saleen Automotive Technology Co Ltd
Current assignee: Jiangsu Saleen Automotive Technology Co Ltd
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-04-21
Anticipated expiration: 2029-07-20

Abstract

The utility model discloses a novel coil spring's installation assembly, the definition has the central line, and the installation assembly includes the lower liner body, and the lower liner body includes: the utility model discloses a boss that is used for supporting the base portion of coil spring bottom and is used for restricting the radial direction motion of coil spring along the central line direction, the boss sets up in the top of base portion, the installation assembly still includes the safety cover, the top of lower liner body is formed with restriction coil spring around the central line for the spacing protruding muscle subassembly of lower liner body pivoted, the top of lower liner body is formed with the positioning groove of location coil spring installation angle, the lower liner body is formed with central through-hole, central through-hole runs through lower liner body along the central line direction, the inside at central through-hole is embedded into along the central line direction to the safety cover, the utility model discloses avoided big debris to drop, the effectual coil spring that has protected, simultaneously, further improvement the spacing effect of lower liner body.

Description

Novel installation assembly of helical spring

The technical field is as follows:

the utility model belongs to the technical field of an automobile parts technique and specifically relates to a novel coil spring's installation assembly.

Background art:

the suspension mainly comprises three parts of an elastic element, a guide device, a damping element (shock absorber) and the like,

the elastic element makes the vehicle frame and the vehicle axle be in elastic connection, bears and transmits vertical load, and relieves and inhibits the impact caused by uneven road surface; a coil spring is a kind of elastic element, and when a vehicle runs on an uneven road, the coil spring is often subjected to forces from different directions, i.e., longitudinally, transversely and laterally.

An automotive suspension coil under-spring liner as set forth in patent No. 201821000853.5, defining a centerline; the automotive suspension coil spring lower pad includes: a base portion for supporting a bottom portion of the coil spring in a center line direction and a boss for restricting movement of the coil spring in a radial direction of the center line; the boss is arranged at the top of the base part; a limiting convex rib for limiting the rotation of the spiral spring around the central line relative to the lower liner of the automobile suspension spiral spring is formed at the top of the lower liner of the automobile suspension spiral spring; compared with the traditional plane washer structure, the lower liner of the automobile suspension helical spring overcomes the defects that when the helical spring is subjected to external acting force, the helical spring is repeatedly compressed and extended to cause self-rotation on the lower liner of the automobile suspension helical spring, and the self-rotation can generate a certain displacement deviation, so that the stability and the safety of a vehicle are influenced, but the following defects still exist:

1. because the car is at the in-process of marcing, coil spring can receive not equidirectional effect, and above-mentioned spacing protruding muscle only sets up the one side at the boss, causes coil spring to lead to the slope of coil spring bottom when controlling the atress very easily, and long-time slope not only can cause coil spring bottom structure's damage, can influence spacing protruding muscle moreover to coil spring's spacing effect.

2. Although the spiral step surface can assist in positioning the spiral spring to a certain extent, when the automobile moves, the spiral spring is easy to slip on the spiral step surface when being acted in different directions, so that the dislocation of the spiral spring is caused, and the using effect of the spiral spring is influenced.

3. In the use process of the automobile suspension helical spring lower liner, when large sundries fall off, the liner can easily fall off from a central through hole in the automobile suspension helical spring lower liner, and damage to a shock absorber and a helical spring is caused.

The utility model has the following contents:

the utility model aims at providing a novel coil spring's installation assembly solves one or more among the above-mentioned prior art problem.

In order to solve the technical problem, the utility model provides a novel coil spring's installation assembly, the definition has the central line, and the installation assembly includes the lower liner body, and the lower liner body includes: the base part is used for supporting the bottom of the spiral spring along the direction of the central line, and the boss is used for limiting the radial direction movement of the spiral spring along the central line, the boss is arranged at the top of the base part, and the innovation point is that: the installation assembly still includes the safety cover, the top of lower liner body is formed with restriction coil spring around the central line for the spacing protruding muscle subassembly of lower liner body pivoted, spacing protruding muscle subassembly includes left protruding muscle and right protruding muscle, left protruding muscle and right protruding muscle symmetry set up the both sides at the boss, the top of lower liner body is formed with the positioning groove of location coil spring installation angle, the lower liner body is formed with central through-hole, the central through-hole runs through lower liner body along the central line direction, the inside at the central through-hole is embedded into along the central line direction to the safety cover.

Furthermore, the left convex rib and the right convex rib are respectively connected with the base part and the boss, the positioning groove is connected with the base part and the boss and connected with the end part of the right convex rib, and the shape of the positioning groove is matched with that of the end part of the spiral spring.

Further, the safety cover comprises an annular table and an annular containing cavity, the annular table is fixed on the edge of the top of the annular containing cavity in a surrounding mode, a plurality of vertical grooves are formed in the side wall of the annular containing cavity in an equidistant mode along the central line direction, the vertical grooves extend to the top of the annular containing cavity from the bottom of the annular containing cavity, elastic limiting pieces are arranged inside the vertical grooves, the bottoms of the elastic limiting pieces and the bottom of the annular containing cavity are fixedly connected, the top of each elastic limiting piece inclines towards the outer side of the annular containing cavity, a plurality of filtering holes are formed in the bottom of the containing cavity, the hole wall of each central through hole protrudes along the central line direction to form a boss, the bosses are annular bosses and are matched with the annular containing cavity in shape, annular grooves are formed in the inner side edges of the tops of the bosses, the shapes of the annular grooves and the annular tables are matched with the shapes of the annular tables.

Furthermore, the bottom of the lower liner body is provided with a positioning bulge for limiting the position of the lower liner body, the positioning bulge is a cylinder, one end of the positioning bulge is connected to the base part, and the other end of the positioning bulge is provided with a chamfer.

Further, the projection of the base part along the central line direction is annular.

The beneficial effects of the utility model reside in that:

1. the utility model provides a novel coil spring's installation assembly, positioning groove, the design of this kind of three point of left protruding muscle and right protruding muscle is more stable to coil spring's spacing, avoided coil spring long-time slope and damaged, the effectual coil spring that has protected, on the other hand, coil spring's tip embedding is in positioning groove's inside, can control coil spring's installation angle, the location is more accurate, the dislocation in the follow-up coil spring use has also been avoided simultaneously, thereby influence coil spring's result of use.

2. The utility model provides a novel coil spring's installation assembly, safety cover embedding have avoided big debris to drop from central through-hole in the inside of central through-hole, cause the damage to bumper shock absorber and coil spring, erect the lightweight of installation assembly simultaneously in the design of groove and filtration pore.

Description of the drawings:

fig. 1 is a schematic view of the protective cover and the lower liner body according to the present invention.

Fig. 2 is a schematic structural view of the top of the lower liner body of the present invention.

Fig. 3 is a schematic structural view of the bottom of the lower bushing body of the present invention.

Fig. 4 is a schematic top structure view of the protective cover of the present invention.

The specific implementation mode is as follows:

in order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

Fig. 1 to 4 show a specific embodiment of the present invention, the present invention provides a novel installation assembly of a coil spring, which is defined with a central line 100, the installation assembly 1 includes a lower liner body 11, the lower liner body 11 includes: a base part 111 for supporting the bottom of the spiral spring along the direction of the central line 100 and a boss 112 for limiting the spiral spring to move along the radial direction of the central line 100, the boss 112 is arranged on the top of the base part 111, the mounting assembly 1 further comprises a protective cover 12, a limiting convex rib component 2 for limiting the spiral spring to rotate around the central line 100 relative to the lower gasket body 11 is formed on the top of the lower gasket body 11, the limiting convex rib component 2 comprises a left convex rib 21 and a right convex rib 22, the left convex rib 21 and the right convex rib 22 are symmetrically arranged on two sides of the boss 112, a positioning groove 3 for positioning the mounting angle of the spiral spring is formed on the top of the lower gasket body 11, a central through hole 4 is formed on the lower gasket body 11, the central through hole 4 penetrates through the lower gasket body 11 along the direction of the central line 100, the protective cover 12 is embedded in the central through hole 4 along the direction of the central line 100, the left convex rib 21 and, the positioning groove 3 connects the base portion 111 and the boss 112 and connects to the end of the right bead 22, and the shape of the positioning groove 3 and the shape of the end of the coil spring match each other.

In the utility model, the prior lower liner body 11 and the protective cover 12 are made of rubber materials, which can compensate the rigidity of the coil spring to a certain extent, compared with the comparison document, the utility model designs a left convex rib 21 and a right convex rib 22 which are symmetrically arranged at both sides of a boss 112, and simultaneously, the shape of the positioning groove 3 is matched with the shape of the end part of the coil spring, so that the end part of the coil spring can be embedded in the positioning groove 3, and when the positioning groove 3, the left convex rib 21 and the right convex rib 22 are designed to act on the coil spring with acting forces in different directions, the limit of the coil spring is more stable, the coil spring is prevented from being damaged due to long-time inclination, the coil spring is effectively protected, on the other hand, the end part of the coil spring is embedded in the positioning groove 3, the installation angle of the coil spring can be controlled, the location is more accurate, and automobile coil spring generally selects C type spring, need have installation angle's requirement, has also avoided the dislocation in follow-up coil spring use simultaneously to influence coil spring's result of use, safety cover 12 embedding has avoided big debris to drop from central through-hole in the inside of central through-hole 4, causes the damage to bumper shock absorber and coil spring.

In the utility model, while the protection effect of the protection cover 12 is satisfied, the lightweight design of the protection cover 12 is also satisfied, the protection cover 12 comprises an annular table 121 and an annular chamber 122, the annular table 121 surrounds the edge fixed on the top of the annular chamber 122, a plurality of vertical grooves 5 are equidistantly arranged along the central line direction around the side wall of the annular chamber 122, the vertical grooves 5 extend from the bottom of the annular chamber 122 to the top of the annular chamber 122, elastic limiting sheets 6 are arranged inside the vertical grooves 5, the bottom of the elastic limiting sheets 6 is fixedly connected with the bottom of the annular chamber 122, the top of the elastic limiting sheets 6 is inclined and extends towards the outer side of the annular chamber 122, a plurality of filtering holes 123 are arranged at the bottom of the chamber 122, the hole wall of the central through hole 4 protrudes along the central line 100 direction to form a boss 112, the boss 112 is an annular boss and is matched with the shape of the annular chamber 122, an annular groove 7 is arranged around, the shape of the annular groove 7 and the shape of the annular table 121 are matched with each other, the annular cavity 122 is embedded inside the boss 112, the annular table 121 is abutted against the annular groove 7 and the elastic limiting sheets 6 are abutted against the inner wall of the boss 112 one by one, when the annular cavity 122 is embedded inside the boss 112, the weight of the protective cover 12 is reduced due to the design of the vertical grooves 5, the light weight of the protective cover 12 is met, the elastic limiting sheets 6 are abutted against the inner wall of the boss 112 one by one, because the protective cover 12 and the lower gasket body 11 are both made of rubber materials, the friction force between the elastic limiting sheets 6 and the inner wall of the boss 112 is very high, so that the protective cover 12 is tightly embedded inside the boss 112, the annular table 121 is placed on the matched annular groove 7, the protective cover 12 is prevented from falling from the inside of the central through hole 4, and meanwhile, preferentially, the filter hole 123 is designed to be a larger through hole, so that, and meanwhile, the weight of the protective cover 12 is further reduced, and the light weight of the protective cover 12 is met.

Above-mentioned lower liner body 11's bottom is formed with the protruding 8 in location of restriction lower liner body 11 position, and the protruding 8 in location is the cylinder, and the one end of the protruding 8 in location is connected to base portion 111, and the other end of the protruding 8 in location is equipped with chamfer 9 the utility model discloses in, the mounted position of lower liner body 11 can be restricted to protruding 8 in location, and is preferential, and protruding 8 in location is the cylinder, sets up chamfer 9 at the other end of protruding 8 in location and can assist the protruding 8 in location fix a position the installation of lower liner body 11.

In the present invention, the projection of the base portion 111 along the direction of the center line 100 is formed in a ring shape, and the shape of the base portion 111 is designed to be circular.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A novel coil spring mounting assembly defining a centerline (100), said mounting assembly (1) comprising a lower pad body (11), said lower pad body (11) comprising: -a base part (111) for supporting the bottom of the coil spring in the direction of the centre line (100) and-a boss (112) for limiting the movement of the coil spring in the radial direction of the centre line (100), said boss (112) being arranged on top of said base part (111), characterized in that: installation assembly (1) still includes safety cover (12), the top of lower liner body (11) is formed with restriction coil spring around central line (100) for lower liner body (11) pivoted spacing protruding muscle subassembly (2), spacing protruding muscle subassembly (2) are including left protruding muscle (21) and right protruding muscle (22), left side protruding muscle (21) with right protruding muscle (22) symmetry sets up the both sides of boss (112), the top of lower liner body (11) is formed with positioning groove (3) of location coil spring installation angle, lower liner body (11) are formed with central through-hole (4), central through-hole (4) are run through along central line (100) direction lower liner body (11), safety cover (12) are in along central line (100) direction embedding the inside of central through-hole (4).

2. The novel coil spring mounting assembly of claim 1, wherein: left side protruding muscle (21) with right side protruding muscle (22) are connected respectively base portion (111) with boss (112), positioning groove (3) are connected base portion (111) with boss (112) just connect the tip of right side protruding muscle (22), the shape of positioning groove (3) and the shape of coil spring tip match each other.

3. The novel coil spring mounting assembly of claim 1, wherein: the protective cover (12) comprises an annular table (121) and an annular accommodating cavity (122), the annular table (121) is fixed around the edge of the top of the annular accommodating cavity (122), a plurality of vertical grooves (5) are formed around the side wall of the annular accommodating cavity (122) along the central line direction at equal intervals, the vertical grooves (5) extend from the bottom of the annular accommodating cavity (122) to the top of the annular accommodating cavity (122), elastic limiting pieces (6) are arranged inside the vertical grooves (5), the bottom of each elastic limiting piece (6) is fixedly connected with the bottom of the annular accommodating cavity (122), the top of each elastic limiting piece (6) is inclined and extends towards the outer side of the annular accommodating cavity (122), a plurality of filtering holes (123) are formed in the bottom of the accommodating cavity (122), and the hole wall of the central through hole (4) protrudes along the central line (100) direction to form the boss (112), the boss (112) is an annular boss and is matched with the annular cavity (122) in shape, an annular groove (7) is formed around the inner side edge of the top of the boss (112), the annular groove (7) is matched with the annular table (121) in shape, the annular cavity (122) is embedded in the boss (112), the annular table (121) abuts against the annular groove (7), and the elastic limiting sheets (6) abut against the inner wall of the boss (112) one by one.

4. The novel coil spring mounting assembly of claim 1, wherein: the bottom of lower liner pad body (11) is formed with the location arch (8) of restriction lower liner pad body (11) position, location arch (8) are the cylinder, the one end of location arch (8) is connected to base portion (111), the other end of location arch (8) is equipped with chamfer (9).

5. The novel coil spring mounting assembly of claim 1, wherein: the base part (111) is in a ring shape in projection along the direction of the center line (100).