CN214742939U

CN214742939U - MQB vehicle spring with rust-proof function

Info

Publication number: CN214742939U
Application number: CN202120853493.9U
Authority: CN
Inventors: 王汉金
Original assignee: Zhejiang Haihua Electric Co ltd
Current assignee: Zhejiang Haihua Electric Co ltd
Priority date: 2021-04-24
Filing date: 2021-04-24
Publication date: 2021-11-16
Anticipated expiration: 2031-04-24

Abstract

The utility model discloses a MQB vehicle spring with rust-proof function, which comprises a spiral spring main body made of MQB steel wire, wherein both ends of the spring main body are provided with supporting ends, and both supporting ends are provided with horizontal supporting surfaces; the surface of the spring main body is uniformly provided with a plurality of pits, the inner walls of the pits are in a hemispherical shape, the surface of the spring main body is further coated with an antirust protective layer, and the antirust protective layer is filled into the pits. The utility model discloses have rust-resistant function, can avoid MQB automobile-used spring to lead to the fact the problem that the elastic property descends because of rustting to guarantee the good shock resistance of MQB automobile-used spring.

Description

MQB vehicle spring with rust-proof function

Technical Field

The utility model relates to a spring technical field especially relates to a spring for MQB car with rust-resistant function.

Background

In the prior art, an MQB steel wire is a spring steel wire specially applied to automobiles and is mainly used for manufacturing MQB nitrogen springs, the MQB series nitrogen springs adopt up-down guide (namely piston guide and rod guide), the MQB automobile spring is a damping spring, has strong impact absorption capacity and can absorb stored energy by utilizing self elastic deformation, the natural frequency of the MQB automobile spring is determined according to the rigidity and the mass of a supported object, and if the MQB automobile spring is compressed or stretched, the MQB automobile spring can freely vibrate in proportion to the natural frequency after being relaxed. However, the surface of the spring for the MQB vehicle can be rusted after the spring for the MQB vehicle is used for a long time, so that the elastic performance of the spring for the MQB vehicle is remarkably reduced, and the impact absorption capability of the spring for the MQB vehicle is further influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spring for MQB car with rust-resistant function, the utility model discloses have rust-resistant function, can avoid MQB car spring because of rustting the problem that causes the elastic property to descend to guarantee the good shock resistance of MQB car spring.

In order to achieve the above object, the utility model provides a following technical scheme: an MQB vehicle spring with an antirust function comprises a spiral spring main body made of an MQB steel wire in a rolling mode, wherein two ends of the spring main body are respectively provided with a supporting end, and horizontal supporting surfaces are arranged on the two supporting ends; the surface of the spring main body is uniformly provided with a plurality of pits, the inner walls of the pits are in a hemispherical shape, the surface of the spring main body is further coated with an antirust protective layer, and the antirust protective layer is filled into the pits.

Through adopting above-mentioned technical scheme, can not only make the installation of the automobile-used spring of MQB more stable, set up rust-resistant protective layer in the spring main part moreover, can prevent effectively that spring main part from taking place to rust, avoid the automobile-used spring of MQB to lead to the fact the problem that elastic property descends because of rustting to guarantee the good shock resistance of the automobile-used spring of MQB. Simultaneously, spring main part surface sets up a plurality of pits that are used for filling rust-resistant protective layer, enables rust-resistant protective layer and tightly bites spring main part surface, and the design of pit hemisphere face shape enables more comprehensive of rust-resistant protective layer and must fill to the pit in, this design enables rust-resistant protective layer more stable when MQB automobile-used spring is flexible, greatly reduced its probability that drops and is torn to effectively play the protective effect to MQB automobile-used spring.

The utility model discloses further set up to, the rust-resistant protective layer adopts thermosetting fiber reinforced plastics.

Through adopting above-mentioned technical scheme, thermosetting fiber reinforced plastic not only has stronger corrosion resisting property, has very high tensile strength and compressive strength moreover, can play fine guard action to MQB automobile-used spring.

The utility model discloses further set up to, the pitch of spring main part diminishes to both ends by the middle part gradually.

Through adopting above-mentioned technical scheme, not only can make spring main part atress more stable, can promote its bearing capacity moreover.

The utility model discloses further set up to, still include the supporting pad, the supporting pad is made by the elasticity material, the mounting groove has been seted up along length direction to horizontal holding surface, one side of being close to horizontal holding surface of supporting pad be equipped with the protruding muscle of installation that the mounting groove agreed with mutually, the width of supporting pad is greater than the width of the protruding muscle of installation, and one side of being close to horizontal holding surface of supporting pad closely laminates with horizontal holding surface.

Through adopting above-mentioned technical scheme, the supporting pad plays the guard action to the horizontal supporting surface, can not only be the effect of realizing the buffering, can avoid rust-resistant protective layer on the horizontal supporting surface moreover to be worn and torn.

The utility model discloses further set up to, the degree of depth of mounting groove is along the extending direction crescent of horizontal holding surface, the protruding muscle of installation highly also increases along the extending direction of supporting pad gradually.

Through adopting above-mentioned technical scheme, can promote the steadiness of supporting pad installation.

The utility model discloses further set up to, be equipped with downwardly extending and the cross-section is the arc convex part of semicircle shape on the terminal surface of the protruding muscle of installation, the inner of mounting groove be equipped with the arc concave part that the arc convex part agrees with mutually.

Through adopting above-mentioned technical scheme, can promote the degree of agreeing with of installation convex rib and mounting groove, further promote the steadiness of supporting pad installation.

The utility model discloses further set up to, horizontal holding surface is greater than pi radian, the supporting pad is greater than pi radian and is less than the radian that corresponds horizontal holding surface.

Through adopting above-mentioned technical scheme, can make the both ends of MQB automobile-used spring realize steadily supporting, avoid MQB automobile-used spring atress to produce the deformation of deviating from the center pin.

The utility model discloses further set up to, one side of keeping away from horizontal holding surface on the back-up pad evenly is provided with a plurality of anti-skidding bumps.

Through adopting above-mentioned technical scheme, can promote the supporting pad and correspond the frictional force between the holding surface, and then promote the automobile-used spring mounting's of MQB steadiness.

Through adopting above-mentioned technical scheme, the one end of supporting pad is equipped with and is used for supporting the spacing portion on corresponding support end terminal surface.

The utility model discloses further set up to, not only can promote the steadiness of supporting pad installation, can support the rust-resistant protective layer of end terminal surface to the spring main part moreover and play the guard action, avoid it to receive the wearing and tearing that collide with.

Drawings

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

FIG. 2 is a cross-sectional view of the entire invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural view of the supporting pad of the present invention.

In the figure: 1. a spring body; 2. a support end; 3. a horizontal support surface; 4. a pit; 5. an antirust protective layer; 6. a support pad; 7. mounting grooves; 8. installing a convex rib; 9. an arc-shaped convex part; 10. an arc-shaped concave part; 11. anti-skid bumps; 12. a limiting part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): the spring for the MQB vehicle with the antirust function as shown in the attached figures 1-4 comprises a spiral spring main body 1 made of MQB steel wires in a rolling mode, wherein two ends of the spring main body 1 are respectively provided with a supporting end 2, and horizontal supporting surfaces 3 are respectively arranged on the two supporting ends 2, namely the supporting ends 2 are transversely cut into a horizontal shape; the surface of the spring main body 1 is uniformly provided with a plurality of pits 4, the inner walls of the pits 4 are hemispherical, the surface of the spring main body 1 is further coated with an antirust protective layer 5, and the antirust protective layer 5 is filled into the pits 4. This design can not only make the installation of MQB automobile-used spring more stable, sets up anti rust protection layer 5 on spring main part 1 in addition, can prevent effectively that spring main part 1 from taking place to rust, avoids MQB automobile-used spring to lead to the fact the problem that elastic performance descends because of rustting to guarantee the good shock resistance of MQB automobile-used spring. Simultaneously, spring main part 1 surface sets up a plurality of pits 4 that are used for filling antirust protective layer 5, enable antirust protective layer 5 and tightly nip spring main part 1 surface, and the design of pit 4 hemisphere face shape enables more comprehensive of antirust protective layer 5 and must fill to pit 4 in, this design enables antirust protective layer 5 more stable when MQB automobile-used spring is flexible, greatly reduced its probability that drops and by the tearing to effectively play the protective effect to the automobile-used spring of MQB.

Wherein, the antirust protective layer 5 is made of thermosetting fiber reinforced plastics. The thermosetting fiber reinforced plastic has strong corrosion resistance, high tensile strength and high compressive strength, and can play a good role in protecting MQB vehicle springs.

As shown in the attached drawing 1, the thread pitch of the spring body 1 is gradually reduced from the middle part to the two ends, and the design not only can enable the stress of the spring body 1 to be more stable, but also can improve the bearing capacity of the spring body.

As shown in the attached drawings 1-3, this spring for MQB still includes supporting pad 6, and supporting pad 6 is made by the elasticity material, can be silica gel or rubber, mounting groove 7 has been seted up along length direction to horizontal holding surface 3, supporting pad 6 be close to horizontal holding surface 3 one side be equipped with the protruding muscle 8 of installation that mounting groove 7 agrees with mutually, the protruding muscle 8 of installation and supporting pad 6 formula structure as an organic whole, the protruding muscle 8 of installation and 7 interference fit of mounting groove, the width of supporting pad 6 is greater than the width of the protruding muscle 8 of installation, supporting pad 6 be close to horizontal holding surface 3 one side closely laminate with horizontal holding surface 3. The supporting pad 6 plays a role in protecting the horizontal supporting surface 3, not only can achieve the buffering effect, but also can avoid the abrasion of the antirust protective layer 5 on the horizontal supporting surface 3.

Wherein, the degree of depth of mounting groove 7 increases along the extending direction of horizontal holding surface 3 gradually, and the height of installation protruding muscle 8 also increases along the extending direction of supporting pad 6 gradually, and same installation protruding muscle 8 keeps agreeing with mounting groove 7, and this design can promote the steadiness of supporting pad 6 installation.

As shown in fig. 3, an arc-shaped convex portion 9 which extends downward and has a semicircular cross section is disposed on an end surface of the mounting rib 8, and an arc-shaped concave portion 10 which is engaged with the arc-shaped convex portion 9 is disposed at an inner end of the mounting groove 7. This design can promote the degree of agreeing with of installation protruding muscle 8 and mounting groove 7, further promotes the steadiness of the installation of supporting pad 6.

As shown in fig. 3, the horizontal support surface 3 is greater than pi radians, and the support pad 6 is greater than pi radians and less than the corresponding radian of the horizontal support surface 3. This design can make the both ends of MQB automobile-used spring realize steadily supporting, avoids MQB automobile-used spring atress to produce the deformation of deviating from the center pin.

As shown in fig. 1, a plurality of anti-skid protrusions 11 are uniformly arranged on one side of the supporting pad 6 far away from the horizontal supporting surface 3. This design can promote the supporting pad 6 and correspond the frictional force between the holding surface, and then promotes MQB automobile-used spring mounting's steadiness.

One end of the supporting pad 6 is provided with a limiting part 12 which is used for abutting against the end face of the corresponding supporting end 2. This design not only can promote the steadiness of 6 installations of supporting pad, can play the guard action to the 1 rust-resistant protective layer 5 that support end 2 terminal surfaces of spring main part moreover, avoids it to receive the wearing and tearing of colliding with.

Claims

1. The utility model provides a spring for MQB car with rust-resistant function, includes that the coiling of MQB steel wire is spiral helicine spring main part (1), its characterized in that: the two ends of the spring main body (1) are respectively provided with a supporting end (2), and the two supporting ends (2) are respectively provided with a horizontal supporting surface (3); the surface of the spring main body (1) is uniformly provided with a plurality of pits (4), the inner walls of the pits (4) are in a hemispherical shape, the surface of the spring main body (1) is further coated with an antirust protective layer (5), and the antirust protective layer (5) is filled into the pits (4).

2. The MQB vehicular spring with antirust function according to claim 1, characterized in that: the antirust protective layer (5) is made of thermosetting fiber reinforced plastics.

3. The MQB vehicular spring with antirust function according to claim 1, characterized in that: the pitch of the spring main body (1) is gradually reduced from the middle part to the two ends.

4. The MQB vehicular spring with antirust function according to claim 1, characterized in that: still include supporting pad (6), supporting pad (6) are made by the elastic material, mounting groove (7) have been seted up along length direction to horizontal holding surface (3), one side of being close to horizontal holding surface (3) of supporting pad (6) be equipped with installation protruding muscle (8) that mounting groove (7) agree with mutually, the width of supporting pad (6) is greater than the width of installation protruding muscle (8), and one side and horizontal holding surface (3) of being close to horizontal holding surface (3) of supporting pad (6) closely laminate.

5. The MQB vehicular spring with antirust function according to claim 4, characterized in that: the depth of the mounting groove (7) is gradually increased along the extending direction of the horizontal supporting surface (3), and the height of the mounting convex rib (8) is also gradually increased along the extending direction of the supporting pad (6).

6. The MQB vehicular spring with antirust function according to claim 4, characterized in that: the end face of the installation convex rib (8) is provided with an arc convex part (9) which extends downwards and has a semicircular section, and the inner end of the installation groove (7) is provided with an arc concave part (10) which is matched with the arc convex part (9).

7. The MQB vehicular spring with antirust function according to claim 4, characterized in that: the horizontal supporting surface (3) is larger than pi radian, and the supporting pad (6) is larger than pi radian and smaller than radian of the corresponding horizontal supporting surface (3).

8. The MQB vehicular spring with antirust function according to claim 4, characterized in that: and a plurality of anti-skidding convex points (11) are uniformly arranged on one side of the supporting pad (6) far away from the horizontal supporting surface (3).

9. The MQB vehicular spring with antirust function according to claim 4, characterized in that: one end of the supporting pad (6) is provided with a limiting part (12) which is used for abutting against the end face of the corresponding supporting end (2).