CN215321849U

CN215321849U - Wheel base adjusting device for vehicle suspension

Info

Publication number: CN215321849U
Application number: CN202121490423.8U
Authority: CN
Inventors: 尹永立; 闫家琪; 王东宁
Original assignee: Qingdao Taiga Vehicle Technology Co ltd
Current assignee: Qingdao Taiga Vehicle Technology Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-12-28
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a wheel base adjusting device for a vehicle suspension, which comprises a bolt assembly, an adjusting seat and a guide plate, wherein the end face of the guide plate is parallel to and slidably connected with the end face of the adjusting seat, a first waist-shaped hole is formed in the guide plate, an included angle is formed between the long axis of the first waist-shaped hole and the sliding direction line of the guide plate, the adjusting seat is arranged on a support side plate below a vehicle frame main body, a second waist-shaped hole is formed in the adjusting seat, the bolt assembly sequentially penetrates through the first waist-shaped hole, the second waist-shaped hole and the support side plate, the rotating end of a guide plate spring in the vehicle suspension is rotatably connected with the support side plate through the bolt assembly, and when the adjusting seat is driven to slide relative to the guide plate, the bolt assembly can be driven to slide back and forth along the long axis direction of the second waist-shaped hole so as to adjust the wheel base of the vehicle suspension. The utility model has reasonable structure, high reliability and long service life, and is beneficial to popularization and application.

Description

Wheel base adjusting device for vehicle suspension

Technical Field

The utility model relates to the technical field of vehicle suspension installation and debugging, in particular to a wheel base adjusting device for a vehicle suspension.

Background

A vehicle suspension generally includes a frame body, a bracket, a guide plate spring, and an axle, as shown in fig. 1, wherein the bracket is disposed below the frame body, a rotation end of the guide plate spring is rotatably connected to the bracket, and the other end of the guide plate spring is connected to the axle. The wheelbase adjustment between the two ends of the axle and the bracket is very important in the automobile manufacturing and mounting process, the fact that the left wheelbase and the right wheelbase are different means that the axles between the front wheels and the rear wheels are not parallel, the situations of deviation, accelerated abrasion of tires, additional load of an automobile suspension and the like can be caused when the automobile runs, in addition, the suspension can be deformed or even fatigue fracture for a long time, and the safety risk is high. Therefore, the same adjustment of the left and right wheelbases has great significance for the safe and efficient running of the vehicle. Common vehicle suspension adopts integrative structure more, whole welding, if produce the dimensional deviation then can't compensate in the welding process, is unfavorable for production and processing. The existing adjusting device for adjusting the wheel base of the vehicle suspension is mostly in eccentric adjustment, and after the adjusting device is adjusted in place, the adjusting device is generally required to be welded and fixed on a support side plate for positioning the adjusting device, so that the adjusting device is not beneficial to multiple times of adjustment, and therefore, the use cost is high, and the economical efficiency is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a wheel base adjusting device for a vehicle suspension, which solves the technical problems that the wheel base of the vehicle suspension is not adjustable or a device for adjusting the wheel base of the vehicle suspension in the prior art is complex in structure and inconvenient to adjust, and has the technical advantages of reasonable structure, high reliability and long service life. The adopted technical scheme is as follows:

the utility model provides a wheel base adjusting device for vehicle suspension, includes bolt assembly, adjusting seat and deflector, the deflector terminal surface is parallel and sliding connection with adjusting seat terminal surface, first waist type hole has been seted up on the deflector, the major axis in first waist type hole has the contained angle with the direction of sliding line of deflector, the adjusting seat is located on the support curb plate under the frame main part and is equipped with second waist type hole on it, bolt assembly wears through first waist type hole, second waist type hole and support curb plate in proper order, and the rotatory end of direction leaf spring rotates with the support curb plate through bolt assembly in the vehicle suspension is connected, and is when the drive when the deflector slides to adjusting seat, can drive bolt assembly makes a round trip to slide along the major axis direction in second waist type hole with the wheel base of adjusting vehicle suspension.

On the basis of the technical scheme, the number of the adjusting seats is two, the number of the guide plates is two, the two adjusting seats and the two guide plates are respectively arranged on two sides of the support, and the rotating end of the guide plate spring is accommodated between the two adjusting seats.

On the basis of the technical scheme, the adjusting seat is provided with a groove for accommodating the guide plate, and the guide plate is in clearance fit with the groove and can slide up and down after force application.

On the basis of the technical scheme, the bolt assembly comprises a screw and a nut, a square sleeve matched with the first waist-shaped hole is sleeved at the position where the screw penetrates through the first waist-shaped hole, and the nut and the screw are matched to enable the two guide plates to be respectively pressed on the two adjusting seats.

On the basis of the technical scheme, the adjusting device further comprises a sleeve coaxially sleeved outside the screw rod, one end of the sleeve can be rotatably connected with the nut, the other end of the sleeve is coaxially connected with a square sleeve, the direction sleeve can extend into the second waist hole and is in clearance fit with the second waist hole, and the nut compresses a guide plate on a corresponding adjusting seat through the sleeve.

On the basis of the technical scheme, the hollow sleeve integrally formed with the adjusting seat extends from the position of the second waist-shaped hole to the support side plate, the hollow sleeve can be embedded on the support side plate, and the outer periphery of the hollow sleeve is in any one of a square shape, a triangular shape and a polygonal shape.

On the basis of the technical scheme, the rotating end of the guide plate spring in the vehicle suspension is rotatably connected with the bolt assembly, and a bushing is sleeved at the rotating connection position.

On the basis of the technical scheme, the long axis direction of the second kidney-shaped hole is consistent with the length direction of the guide plate spring.

Advantageous effects

The adjusting device is reasonable in structure and convenient to operate, the bolt assembly can be driven to slide back and forth along the long axis direction of the second kidney-shaped hole by driving the guide plate to slide relative to the adjusting seat so as to adjust the wheelbase of the vehicle suspension, repeated adjustment can be performed for multiple times, economy is good, and use cost is reduced. Specifically be, bolt assembly compresses tightly the adjustment seat with fixed adjustment seat on the support curb plate, and simultaneously, the auto-lock of bolt assembly relative adjustment seat can be realized in the cooperation in first waist type hole and second waist type hole, so, can carry out wheel base adjustment operation, simple easy operation through screwing up and unscrewing bolt assembly. In addition, the guide plate is embedded in the groove of the adjusting seat, so that the guide plate and the adjusting seat have larger contact area, good impact resistance effect, good wear resistance, long service life and convenience in processing and production, and the guide plate is favorable for popularization and application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary of the utility model, and that other embodiments can be derived from the drawings provided by those skilled in the art without inventive effort.

FIG. 1: the adjusting device is applied to a structural schematic diagram of a vehicle suspension;

FIG. 2: the utility model is a schematic three-dimensional structure;

FIG. 3: the perspective structure of the explosion diagram of the utility model is schematic;

FIG. 4: the sectional structure of the front view of the utility model is schematic;

Detailed Description

The utility model is further illustrated by the following figures and examples:

reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The vehicle suspension shown in fig. 1 generally comprises a frame body, a bracket, a guide leaf spring and an axle, wherein the bracket is arranged below the frame body, the rotating end of the guide leaf spring is rotatably connected with the bracket, and the other end of the guide leaf spring is connected with the axle, as shown in fig. 1. And wherein the rotatory end of the direction leaf spring of one side is connected with the support rotation of homonymy through adjusting device, specifically is:

as shown in fig. 2 to 4, the wheel base adjusting device for the vehicle suspension comprises two bolt assemblies 1, two adjusting seats 2 and two guide plates 3, wherein the two adjusting seats 2 are provided, the two guide plates 3 are provided, the two adjusting seats 2 and the two guide plates 3 are respectively arranged on two side plates of a support, and the rotating end of each guide plate spring is accommodated between the two adjusting seats 2.

The end face of the guide plate 3 is parallel to the end face of the adjusting seat 2, a groove for accommodating the guide plate 3 is formed in the outer side face of the adjusting seat 2, and the guide plate 3 is in clearance fit with the groove and can slide up and down under the action of external force. The guide plate 3 is provided with a first waist-shaped hole 4, the long axis of the first waist-shaped hole 4 forms an included angle with the sliding direction line of the guide plate 3, the included angle is 20-40 degrees, a second waist-shaped hole 5 is arranged at the bottom of the groove, and the long axis of the second waist-shaped hole 5 forms an included angle with the sliding direction line of the guide plate 3 and is not parallel to the long axis of the first waist-shaped hole 4. The bolt component 1 comprises a screw rod 11 and a nut 12, the screw rod 11 sequentially penetrates through a first waist-shaped hole 4, a second waist-shaped hole 5, a support side plate, the support side plate on the other side, the second waist-shaped hole 5 on the other side and the first waist-shaped hole 4 on the other side and is in threaded connection with the nut 12, and the long axis direction of the second waist-shaped hole 5 is consistent with the length direction of the guide plate spring.

The head of the screw rod 11 is sleeved with a square sleeve matched with the first waist-shaped hole 4 through the first waist-shaped hole 4, the screw rod further comprises a sleeve 13 coaxially sleeved outside the screw rod 11, one end of the sleeve 13 can be rotatably connected with the nut 12, specifically, the sleeve 13 is integrally formed on the end surface close to the nut 12 and extends outwards to form a convex ring, an annular groove capable of containing the convex ring is formed in the corresponding position of the nut 12, when the convex ring is contained in the annular groove, the sleeve 13 is rotatably connected with the nut 12, the other end of the sleeve 13 is coaxially connected with the square sleeve, the square sleeve can extend into the second waist-shaped hole 5 on the other side and is in clearance fit with the second waist-shaped hole 5 on the other side, and the nut 12 and the screw rod 11 are matched to enable the two guide plates 3 to be respectively pressed on the two adjusting seats 2.

The adjusting seat is characterized by further comprising a hollow sleeve 7 integrally formed with the adjusting seat 2, the hollow sleeve 7 extends from the position of the second kidney-shaped hole 5 to the support side plate, the hollow sleeve 7 can be embedded on the support side plate, the periphery of the hollow sleeve 7 is in any one of a square shape, a triangular shape and a polygonal shape, and the second kidney-shaped hole 5 extends towards the middle sleeve 7 to form an inner cavity of the middle sleeve. The rotatory end of direction leaf spring rotates with the spiral shell bolt to be connected and rotates the junction cover and be equipped with the bush, and the bush be provided with do benefit to the reinforcing and rotate structural strength and the wear resistance of junction, be favorable to increase of service life.

Therefore, when the guide plate 3 is driven to slide relative to the adjusting seat 2, the bolt assembly 1 can be driven to slide back and forth along the long axis direction of the second kidney-shaped hole 5 so as to adjust the wheel base of the vehicle suspension.

Adjustment process

When the vehicle suspension wheel base needs to be adjusted, the nut 12 is unscrewed, the head of the bolt 11 and the sleeve 13 do not press the guide plates 3 any more, then the two guide plates 3 slide simultaneously, the two guide plates 3 slide to drive the screw rod 11 to drive the rotating end of the guide plate spring to slide back and forth along the long axis direction of the second waist-shaped hole 5, so that the wheel base is adjusted, after the wheel base is adjusted, the nut 12 is screwed, the two guide plates 3 are pressed on the two adjusting seats 2, the guide plates 3 are limited to slide up and down, and the wheel base is fixed.

The present invention has been described above by way of example, but the present invention is not limited to the above-described specific embodiments, and any modification or variation made based on the present invention is within the scope of the present invention as claimed.

Claims

1. The utility model provides a wheel base adjusting device for vehicle suspension, its characterized in that, includes bolt assembly (1), adjusting seat (2) and deflector (3), deflector (3) terminal surface and adjusting seat (2) terminal surface parallel and sliding connection, first waist type hole (4) have been seted up on deflector (3), the major axis line in first waist type hole (4) has the contained angle with the direction line of sliding of deflector (3), adjusting seat (2) are located on the support curb plate under the frame main part and have been seted up second waist type hole (5) on it, bolt assembly (1) is worn through first waist type hole (4), second waist type hole (5) and support curb plate in proper order, and the rotatory end of direction leaf spring passes through bolt assembly (1) and is connected with the support curb plate rotation in the vehicle suspension, and when the drive deflector (3) relative adjusting seat (2) slide, can drive bolt assembly (1) make a round trip to slide along the major axis direction of second waist type hole (5) and make a round trip to adjust vehicle The wheelbase of the suspension.

2. The wheel base adjusting apparatus for vehicle suspension according to claim 1, wherein there are two adjusting seats (2), two guide plates (3), two adjusting seats (2) and two guide plates (3) are provided on two bracket side plates, and the rotating end of the guide plate spring is accommodated between the two adjusting seats.

3. The wheel base adjusting device for the vehicle suspension according to claim 2, wherein the adjusting seat (2) is provided with a groove for accommodating the guide plate (3), and the guide plate (3) is in clearance fit with the groove and can slide up and down under the action of external force.

4. The wheel base adjusting device for the vehicle suspension is characterized in that the bolt assembly (1) comprises a screw rod (11) and a nut (12), a square sleeve matched with the first kidney-shaped hole (4) is sleeved at the position where the screw rod (11) penetrates through the first kidney-shaped hole (4), and the nut (12) is matched with the screw rod (11) to enable the two guide plates (3) to be respectively pressed on the two adjusting seats (2).

5. The wheel base adjusting device for the vehicle suspension is characterized by further comprising a sleeve (13) coaxially sleeved outside the screw rod (11), wherein one end of the sleeve (13) can be rotatably connected with a nut (12), the other end of the sleeve (13) is coaxially connected with a square sleeve, the direction sleeve can extend into the first kidney-shaped hole (4) and is in clearance fit with the first kidney-shaped hole (4), and the nut (12) presses the guide plate (3) on the adjusting seat (2) through the sleeve (13).

6. The wheel base adjusting apparatus for vehicle suspension according to claim 2, wherein a hollow sleeve (7) formed integrally with the adjusting seat (2) extends from a position of the second kidney-shaped hole (5) toward the bracket side plate, the hollow sleeve (7) is fittable to the bracket side plate, and an outer peripheral shape of the hollow sleeve (7) is any one of a square, a triangle, and a polygon.

7. The wheel base adjusting apparatus for a vehicle suspension according to any one of claims 1 to 6, wherein a rotating end of the guide plate spring in the vehicle suspension is rotatably connected to the bolt assembly (1) and a bushing (8) is fitted at the rotational connection.

8. The wheel base adjusting apparatus for vehicle suspension according to claim 7, wherein the long axis direction of the second kidney hole (5) coincides with the longitudinal direction of the guide plate spring.