CN220396338U - Spiral spring assembly for vehicle suspension and vehicle - Google Patents

Abstract

The utility model relates to a spiral spring assembly for a vehicle suspension and a vehicle. According to the utility model, the buffer sleeve is arranged and coated on the spiral spring, and the spiral spring is contacted with the spring seat after being mounted on the spring seat, so that the spiral spring is buffered and damped through the buffer sleeve, and rigid contact between the spiral spring and the spring seat is avoided.

Description

Spiral spring assembly for vehicle suspension and vehicle

Technical Field

The utility model relates to the technical field of vehicle accessories, in particular to a spiral spring assembly for a vehicle suspension and a vehicle.

Background

A suspension assembly of a vehicle is a device that is located between a vehicle body and wheels and connects two rigid bodies using one or more links, in which a coil spring plays a role of absorbing vibration and impact transmitted from a road surface to avoid transmission thereof to the vehicle body or a passenger, thereby suppressing damage to the vehicle body and enhancing riding feeling of the vehicle.

At present, most of the rear spiral springs of the vehicle are provided with spring pads up and down, the spring pads are clamped on the swing arms or the vehicle body, the spiral springs are buffered and damped, and the arrangement of the spring pads can increase the cost of a single piece and the assembly cost.

Disclosure of Invention

One of the purposes of the present utility model is to provide a coil spring assembly for a vehicle suspension, which solves the problems that in the prior art, the coil spring increases the cost of a single piece and the assembly cost due to the arrangement of a spring pad; the second object is to provide a vehicle.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a coil spring assembly for a vehicle suspension, comprising: the spring seat, coil spring and buffer sleeve, coil spring install in on the spring seat, the buffer sleeve cladding in on the coil spring, and the buffer sleeve with the spring seat contact.

According to the technical means, through setting up the cushion collar and cladding the cushion collar on coil spring, and coil spring installs back cushion collar and spring holder contact on the spring holder to carry out buffering damping to coil spring through the cushion collar, avoid the rigid contact of coil spring and spring holder, consequently compare in the setting of current spring pad, the cushion collar of this application can together assemble the shaping along with coil spring, need not on-the-spot assembly, both reduced on-the-spot assembly part quantity and saved single cost, still have buffering damping effect simultaneously.

Further, the spring seat is provided with a mounting column, and the mounting column is inserted into the hollow of the spiral spring.

According to the technical means, the mounting column is arranged on the spring seat and is inserted into the hollow of the spiral spring, so that the spiral spring is limited through the mounting column, the spiral spring is prevented from moving relative to the spring seat, and the stability and the reliability of the two are improved.

Further, the mounting column is a conical column, the big end of the conical column is arranged on the spring seat, and the small end of the conical column is suitable for guiding the mounting of the spiral spring.

According to the technical means, when the conical column is installed, the small end of the conical column is far smaller than the hollow space of the spiral spring, so that the spiral spring can be easily sleeved on the periphery of the conical column through the small end of the conical column until the spiral spring is sleeved on the large end of the conical column, and the spiral spring is further tensioned and positioned through the large end of the conical column, so that the movement of the spiral spring is reduced.

Further, the length of the buffer sleeve is greater than or equal to the matching length of the spiral spring and the spring seat.

According to the technical means, the matched parts of the spiral spring and the spring seat are ensured to be separated by the buffer sleeve, namely, the buffer sleeve always wraps the place where the spiral spring is likely to contact the spring seat, so that the spiral spring is optimally buffered and damped.

Further, a limiting surface is arranged on the spring seat, and the end part of the spiral spring is matched with the limiting surface so as to limit circumferential rotation of the spiral spring.

According to the technical means, when the spiral spring receives circumferential force, the spiral spring can be limited to rotate circumferentially by limiting the abutting limit of the limiting surface on the spiral spring, so that the use stability of the spiral spring is improved.

Further, the end portion of the buffer sleeve is sealed to wrap and seal the end portion of the spiral spring, and the end portion of the spiral spring is matched with the limiting surface through the end portion of the buffer sleeve.

According to the technical means, the end part of the spiral spring is isolated from the limiting surface through the end part of the buffer sleeve, so that the end part of the spiral spring is prevented from being in direct contact with the limiting surface, and a good buffering and vibration damping effect is achieved.

Further, a spiral mounting groove is formed in the spring seat along the circumferential direction of the mounting column, the starting end and the tail end of the spiral mounting groove are connected through the limiting surface, and the spiral spring is mounted in the spiral mounting groove.

According to the technical means, the arrangement of the spiral mounting groove provides positioning for the installation of the spiral spring, so that the spiral spring is installed at the corresponding position on the spring seat, and the installation accuracy is improved.

Further, the coil spring is a convex coil spring, and the small end of the convex coil spring is clamped to the outer peripheral surface of the mounting column.

According to the technical means, the middle part of the middle convex spiral spring, namely the diameter of the multi-turn spring in the middle of the spiral spring, is larger than that of the spring coil at the end part of the spiral spring, so that the middle convex shape with large middle and small two ends is formed, the middle part of the spiral spring is a working pressure-bearing part, the arrangement of the middle part of the spiral spring is larger, the pressure-bearing capacity is stronger, the spiral spring is convenient to provide enough rigidity, the normal use of the spiral spring is ensured, and the end part of the spiral spring is smaller, so that the spiral spring is convenient to install and saves the installation space.

Further, at least five eighths of the peripheral surface of the mounting column is in clamping fit with the small end of the convex spiral spring.

According to the technical means, more than half of the outer peripheral surface of the mounting column is matched with the spiral spring in a clamping manner, namely, the spiral spring is clamped in at least five eighths of the outer peripheral surface of the mounting column, so that the mounting column has a good limiting effect on the front-back direction and the left-right direction of the spiral spring, and the spiral spring is prevented from moving left and right, front and back and the mounting and using stability are improved relative to the mounting column.

A vehicle includes a coil spring assembly for a vehicle suspension. Since the vehicle includes the coil spring assembly for the vehicle suspension, the vehicle has the same technical effects as the coil spring assembly for the vehicle suspension, and a detailed description thereof will be omitted.

The utility model has the beneficial effects that:

(1) The coil spring is buffered and damped through the buffer sleeve, so that rigid contact between the coil spring and the spring seat is avoided, and compared with the arrangement of the existing spring pad, the buffer sleeve can be assembled and formed together with the coil spring, field assembly is not needed, the number of field assembly parts is reduced, the cost of a single piece is saved, and meanwhile, the buffer sleeve has a buffering and damping effect.

(2) According to the utility model, the mounting column is arranged on the spring seat and is inserted into the hollow of the spiral spring, so that the spiral spring is limited by the mounting column, the spiral spring is prevented from moving relative to the spring seat, and the stability and reliability of the cooperation of the spiral spring and the spring seat are improved.

(3) The installation column is set to be a conical column, the big end of the conical column is arranged on the spring seat, the small end of the conical column is suitable for installation and guide of the spiral spring, and because the small end of the conical column is far smaller than the hollow space of the spiral spring, the spiral spring can be easily sleeved on the periphery of the conical column through the small end of the conical column until the spiral spring is sleeved on the big end of the conical column, and the spiral spring is further tensioned and positioned through the big end of the conical column, so that the movement of the spiral spring is reduced.

(4) According to the utility model, the limit surface is arranged on the spring seat, and the end part of the spiral spring is matched with the limit surface so as to limit the circumferential rotation of the spiral spring and improve the use stability of the spiral spring.

Drawings

FIG. 1 is a schematic view showing a structure of a coil spring assembly for a vehicle suspension according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a spring seat according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of the structure of the coil spring and the buffer sleeve according to the embodiment of the present utility model;

fig. 4 is a partial plan view of a coil spring assembly for a vehicle suspension in an embodiment of the present utility model.

Wherein, 1-spring seat; 11-limiting surfaces; 12-a spiral mounting groove; 2-a coil spring; 3-a buffer sleeve; 4-mounting posts.

Detailed Description

Further advantages and effects of the present utility model will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.

It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

As shown in fig. 1 to 4, the present embodiment proposes a coil spring assembly for a vehicle suspension, including a spring seat 1, a coil spring 2, and a cushion cover 3, wherein the coil spring 2 is mounted on the spring seat 1, the cushion cover 3 is coated on the coil spring 2, and the cushion cover 3 is in contact with the spring seat 1.

The coil spring assembly for the vehicle suspension of the embodiment is characterized in that the buffer sleeve 3 is arranged and is coated on the coil spring 2, and the coil spring 2 is arranged on the spring seat 1, then the buffer sleeve 3 is in contact with the spring seat 1, so that the coil spring 2 is buffered and damped through the buffer sleeve 3, and the rigid contact between the coil spring 2 and the spring seat 1 is avoided, therefore, compared with the arrangement of the existing spring pad, the buffer sleeve 3 can be assembled and formed together with the coil spring 2, on-site assembly is not needed, the number of on-site assembly parts is reduced, the cost of a single part is saved, and meanwhile, the coil spring assembly has a buffering and damping effect.

The structure of the coil spring assembly for a vehicle suspension will be described in detail with reference to fig. 1 to 4 of the accompanying drawings.

In the present embodiment, as shown in fig. 1 and 2, a spring seat 1 is used for mounting a coil spring 2 and supporting an end portion of the coil spring 2. The spring seat 1 may be a circular seat, a rectangular seat, an oval seat, or the like, and is specifically configured as needed. In the present embodiment, the spring seat 1 is provided as a circular seat.

Further, in order to facilitate the installation of the coil spring 2, a coil installation groove 12 may be provided on the spring seat 1, and the coil spring 2 is installed in the coil installation groove 12. The provision of the helical mounting groove 12 provides positioning for the mounting of the helical spring 2 so that the helical spring 2 is mounted to a corresponding position on the spring seat 1, improving the mounting accuracy.

Specifically, referring to fig. 2, the height of the spiral installation groove 12 in the circumferential direction of the spring seat 1 is gradually increased so as to take on a spiral rising shape in height, i.e., the left half of the spiral installation groove 12 is higher than the right half of the spiral installation groove 12 to accommodate the installation of the coil spring 2.

In this embodiment, the spring seat 1 is provided with a limiting surface 11, and the end of the coil spring 2 is matched with the limiting surface 11 to limit the circumferential rotation of the coil spring 2, so as to improve the use stability of the coil spring 2. Specifically, the start and end of the spiral installation groove 12 are connected by the limiting surface 11, and after the spiral spring 2 is installed in the spiral installation groove 12, the end of the spiral spring 2 abuts against the limiting surface 11. It will be appreciated that since the height of the screw mounting groove 12 in the circumferential direction of the spring seat 1 is gradually increased, the start end of the screw mounting groove 12 is higher than the end, and thus the limit surface 11 may be formed as a vertical surface or an inclined surface.

As shown in fig. 1 and 3, the coil spring 2 may be formed by spirally winding a steel wire or an alloy wire, and gaps are provided between adjacent turns of the coil spring 2, so that the coil spring 2 is elastically deformed when being pressed, and has good structural strength and toughness.

In this embodiment, the coil spring 2 is a convex coil spring, and the small end of the convex coil spring is clamped to the outer peripheral surface of the mounting post 4. The diameter of the multi-turn coil in the middle of the spiral spring 2 is larger than that of the coil at the end part of the spiral spring 2, so that a middle convex shape with large middle and small two ends is formed, the middle part of the spiral spring 2 is a working bearing part, the arrangement of the middle part of the spiral spring is larger, the bearing capacity is stronger, the spiral spring is convenient to provide enough rigidity, the normal use of the spiral spring 2 is ensured, the end part of the spiral spring is smaller, the installation is convenient, and the installation space is saved.

As shown in fig. 1, 3 and 4, the buffer sleeve 3 can avoid the coil spring 2 from directly contacting with the spring seat 1, and has a buffering and damping effect on the use of the coil spring 2. The cushion cover 3 is made of flexible material, and may be rubber, sponge, etc.

In this embodiment, the end of the buffer sleeve 3 is sealed to wrap the end of the coil spring 2, and the end of the coil spring 2 is engaged with the limiting surface 11 through the end of the buffer sleeve 3. The end part of the spiral spring 2 is isolated from the limiting surface 11 through the end part of the buffer sleeve 3, so that the end part of the spiral spring 2 is prevented from being in direct contact with the limiting surface 11, and a good buffering and vibration damping effect is achieved.

Because the buffer sleeve 3 is coated on the spiral spring 2, the buffer sleeve is matched with the spiral spring 2 for installation, and can be assembled together in a spring production link, so that the buffer sleeve 3 is not wasted at all, and compared with the existing elastic pad, only the contact part of the elastic pad and the spiral spring 2 is an effective part, and great material waste exists.

In this embodiment, the length of the buffer sleeve 3 is greater than or equal to the matching length of the coil spring 2 and the spring seat 1, so as to ensure that the matching portions of the coil spring 2 and the spring seat 1 are all provided with the buffer sleeve 3 for separation, that is, the buffer sleeve 3 always wraps the place where the coil spring 2 is likely to contact the spring seat 1, so that the coil spring 2 is used for optimal buffering and vibration reduction.

In this embodiment, in order to solve the displacement problem of the coil spring 2 on the spring seat 1, the present utility model further includes a mounting post 4 disposed on the spring seat 1, where the mounting post 4 is inserted into the hollow of the coil spring 2. Through setting up erection column 4 on spring holder 1 to erection column 4 peg graft in coil spring 2's cavity, thereby play spacing effect to coil spring 2 through erection column 4, avoid coil spring 2 to remove relative spring holder 1, promote two complex reliability and stability.

Specifically, the mounting post 4 is a circular post, and the spiral mounting groove 12 is provided along the circumferential direction of the mounting post 4, so that the end of the coil spring 2 is positioned in the spiral mounting groove 12 while the coil spring 2 is sleeved on the mounting post 4.

Optionally, in order to reduce the difficulty of inserting the mounting post 4 into the coil spring 2, in this embodiment, the mounting post 4 may be further configured as a tapered post, where the big end of the tapered post is disposed on the spring seat 1, and the small end of the tapered post is adapted to guide the installation of the coil spring 2. During installation, the small end of the conical column is far smaller than the hollow of the spiral spring 2, so that the spiral spring 2 can be easily sleeved on the periphery of the conical column through the small end of the conical column until the spiral spring 2 is sleeved on the big end of the conical column, and the spiral spring 2 is further tensioned and positioned through the big end of the conical column, so that the movement of the spiral spring is reduced.

Specifically, the outer peripheral surface of the conical column is a conical surface with a small upper part and a large lower part, the size of the conical surface at the larger end is matched with the size of the spiral spring 2, so that the spiral spring 2 can be stably clamped on the conical surface at the larger end of the conical column, and the size of the conical surface at the smaller end is smaller than that of the spiral spring 2, so that the spiral spring 2 can be easily sleeved on the conical column through the conical surface at the smaller end, and the assembly difficulty is reduced.

In order to reduce the fit clearance between the coil spring 2 and the mounting post 4 and avoid relative displacement after the coil spring and the mounting post are mounted, in this embodiment, at least five eighths of the peripheral surface of the mounting post 4 is in clamping fit with the small end of the convex coil spring. This setting, because the outer peripheral face and the coil spring 2 joint cooperation of installing column 4 more than half, coil spring 2 joint is in the at least five eighths of installing column 4 periphery promptly to make installing column 4 all play fine spacing effect to coil spring 2's fore-and-aft, left and right directions, avoid coil spring 2 to control, back-and-forth movement, promote installation and stability in use relative installing column 4.

Here, the directions indicated by the vertical arrow and the horizontal arrow in fig. 4 are taken as an example, and the front-rear direction of the coil spring 2 coincides with the front-rear direction indicated by the vertical arrow in fig. 4, and the left-right direction of the coil spring 2 coincides with the left-right direction indicated by the horizontal arrow in fig. 4.

It is further understood that the small end of the convex coil spring is clamped around the outer circumferential surface of the mounting post 4 from the end abutting against the limiting surface 11 by an angle of at least 225 ° (360 ° -5/8=225°), thereby ensuring that the convex coil spring and the mounting post 4 have a sufficient clamping fit area, and ensuring stable and reliable assembly of the two.

In this embodiment, the buffer sleeve 3 is wrapped around the bottom of the coil spring 2, and the spring seat 1 supports the bottom of the coil spring 2. In other embodiments, the buffer sleeve 3 may also be wrapped on the top of the coil spring 2 to buffer and damp the top of the coil spring 2; or the buffer sleeve 3 is coated on the top and the bottom of the coil spring 2 at the same time, so that the top and the bottom of the coil spring 2 are buffered and damped at the same time, and the scheme is not limited in the embodiment.

To facilitate understanding of the coil spring assembly for a vehicle suspension of the present embodiment, the assembly process thereof will now be described as follows:

coating the buffer sleeve 3 on the spiral spring 2, and enabling the closed end of the buffer sleeve 3 to be in contact with the end part of the spiral spring 2;

installing the coil spring 2, aligning the hollow of the coil spring 2 with the installation column 4, sleeving the coil spring 2 from the small end of the conical column to the large end until the bottom of the coil spring 2 is placed in the spiral installation groove 12 of the spring seat 1, and enabling the end of the coil spring 2 to be abutted with the limiting surface 11.

Next, the present embodiment also proposes a vehicle including the coil spring assembly for a vehicle suspension of the present embodiment. Since the vehicle of the present embodiment includes the coil spring assembly for vehicle suspension, it has the same technical effects as the coil spring assembly for vehicle suspension, and will not be described in detail herein.

The above embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model.

Claims (10)

1. A coil spring assembly for a vehicle suspension, comprising:

a spring seat (1);

a coil spring (2) mounted on the spring seat (1);

and the buffer sleeve (3) is coated on the spiral spring (2), and the buffer sleeve (3) is in contact with the spring seat (1).

2. The coil spring assembly for a vehicle suspension according to claim 1, wherein: the spring seat (1) is provided with a mounting column (4), and the mounting column (4) is inserted into the hollow of the spiral spring (2).

3. The coil spring assembly for a vehicle suspension according to claim 2, wherein: the installation column (4) is a conical column, the big end of the conical column is arranged on the spring seat (1), and the small end of the conical column is suitable for guiding the installation of the spiral spring (2).

4. The coil spring assembly for a vehicle suspension according to claim 1, wherein: the length of the buffer sleeve (3) is larger than or equal to the matching length of the spiral spring (2) and the spring seat (1).

5. The coil spring assembly for a vehicle suspension according to claim 2, wherein: the spring seat (1) is provided with a limiting surface (11), and the end part of the spiral spring (2) is matched with the limiting surface (11) so as to limit circumferential rotation of the spiral spring (2).

6. The coil spring assembly for a vehicle suspension according to claim 5, wherein: the end part of the buffer sleeve (3) is sealed to wrap and seal the end part of the spiral spring (2), and the end part of the spiral spring (2) is matched with the limit surface (11) through the end part of the buffer sleeve (3).

7. The coil spring assembly for a vehicle suspension according to claim 5, wherein: the spring seat (1) is provided with a spiral mounting groove (12) along the circumferential direction of the mounting column (4), the starting end and the tail end of the spiral mounting groove (12) are connected through the limiting surface (11), and the spiral spring (2) is mounted in the spiral mounting groove (12).

8. The coil spring assembly for a vehicle suspension according to claim 2, wherein the coil spring (2) is a convex coil spring, and a small end of the convex coil spring is engaged with an outer peripheral surface of the mounting post (4).

9. The coil spring assembly for a vehicle suspension according to claim 8, wherein at least five eighths of a peripheral surface of the mounting post (4) is snap-fitted with the small end of the convex coil spring.

10. A vehicle, characterized in that: a coil spring assembly for a vehicle suspension comprising any one of claims 1 to 9.