CN222591159U - Integral bridge type suspension and vehicle - Google Patents

Abstract

The utility model provides an integral bridge type suspension and a vehicle, the integral bridge type suspension comprises an integral bridge and a steel plate spring arranged on a knuckle in the integral bridge, the knuckle is provided with a knuckle main body, and a bridge body connecting part connected with a bridge body in the integral bridge, the knuckle main body comprises an upper wall, a lower wall and a side wall, the upper wall and the lower wall are oppositely arranged up and down, the side wall is connected between the upper wall and the lower wall, the side wall is provided with a hub bearing mounting part, a cavity for a driving half shaft to pass through is formed between the upper wall and the lower wall, and the steel plate spring is arranged at the bottom of the lower wall through a mounting structure. The integral bridge type suspension can realize the installation and arrangement of the leaf springs on the axle under the condition that the suspension driving half axle is separated from the axle housing, and can meet the arrangement requirements of the leaf springs in the integral bridge type suspension.

Description

Integral bridge type suspension and vehicle

Technical Field

The utility model relates to the technical field of vehicle parts, in particular to an integral bridge type suspension. Meanwhile, the utility model also relates to a vehicle provided with the integral bridge type suspension.

Background

An integral axle on a vehicle is a set of suspension structures with an integral axle structure connecting two wheels, the axle cannot be disconnected, and the two wheels on the same axle do not move relatively. In the non-independent rear suspension of the vehicle, the mounting structure of the leaf spring on the rear axle is that the leaf spring and the rear axle are fixed together through U-shaped bolts, rear axle guard plates, support tiles and nuts.

The existing rear suspension drive axle shaft is separate from the axle housing and the axle housing is designed as a rear elbow beam. Because the leaf spring must be fixed below the driving half shaft, the leaf spring cannot be installed on the axle bend beam through the U-shaped bolt, and the arrangement requirement of the leaf spring in the integral bridge type suspension is difficult to meet.

Disclosure of utility model

In view of this, the present utility model aims to propose an integral bridge suspension that can meet the layout requirements of leaf springs in the case where the suspension drive axle shaft is separated from the axle housing.

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

An integral bridge suspension comprising an integral bridge, and a leaf spring mounted on a knuckle in the integral bridge;

The knuckle has a knuckle body and a bridge body connecting portion connected to a bridge body in the integral bridge, and the knuckle body includes upper and lower walls arranged opposite to each other up and down, and a side wall connected between the upper and lower walls;

The bridge body connecting portion is connected between the upper wall and the lower wall, the side wall is provided with a hub bearing mounting portion, a cavity for a driving half shaft to pass through is formed between the upper wall and the lower wall, and the leaf spring is mounted at the bottom of the lower wall through a mounting structure.

Further, a brake caliper mounting portion is provided on the side wall.

Further, the hub bearing mounting portion includes a hub bearing mounting hole penetrating through the sidewall, and a plurality of hub bearing fixing holes surrounding the hub bearing mounting hole and provided on the sidewall, and a drain groove is provided at the bottom of the inner wall of the hub bearing mounting hole, and/or,

The edge of the side wall is provided with an outwards protruding mounting lug, and the brake caliper mounting part comprises a brake caliper mounting hole arranged on the mounting lug.

Further, the bridge body connecting portion includes a connecting body and a connecting arm connecting the connecting body between the upper wall and the lower wall, and the connecting body is provided with a connecting hole for inserting an end portion of the bridge body.

Further, a limiting surface is formed on the upper surface of the upper wall and is used for being abutted with a buffer block on the frame under wheel jump excitation.

Further, the mounting structure includes a bracket and a plurality of connection assemblies;

the leaf springs are connected to the bottom of the lower wall through the support tiles and the connecting assemblies, and the connecting assemblies are respectively arranged on two sides of the leaf springs.

Further, a leaf spring mounting hole is formed in the lower wall, and a connecting through hole is formed in the support tile;

The connecting assembly comprises a bolt which passes through the connecting through hole and the steel plate spring mounting hole together and a nut which is in threaded connection with the bolt;

the nut is fixedly connected to the lower wall or the support tile, or the nut is independently arranged relative to the lower wall and the support tile.

Further, a leaf spring mounting hole is formed in the lower wall, and a connecting through hole is formed in the support tile;

the leaf spring mounting hole is the screw hole, coupling assembling includes the penetration connect the via hole to the spiro union is in the bolt in the leaf spring mounting hole.

Further, the bridge body adopts a bent pipe beam, and/or the steering knuckle is integrally cast and formed.

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

According to the integral bridge type suspension disclosed by the utility model, the knuckle body in the knuckle is formed by the upper wall, the lower wall and the side walls connected between the upper wall and the lower wall which are oppositely arranged through arranging the knuckle in the integral bridge, the driving half shaft is connected with the hub bearing on the side walls through the space between the upper wall and the lower wall, and the leaf spring is arranged at the bottom of the lower wall, so that the installation and arrangement of the leaf spring on the axle can be realized under the condition that the suspension driving half shaft is separated from the axle housing, and the arrangement requirement of the leaf spring in the integral bridge type suspension can be met.

In addition, the side wall is provided with the brake caliper mounting part, so that the arrangement requirement of the brake caliper in the integral bridge can be met, and the integration level of the axle structure can be improved. The wheel hub bearing installation part comprises a wheel hub bearing installation hole and a wheel hub bearing fixing hole, is simple in structure, easy to design and shape, and capable of facilitating installation and arrangement of a wheel hub bearing, a drainage groove is formed in the bottom of the wheel hub bearing installation hole, water entering the wheel hub bearing position can be discharged conveniently, service life of the wheel hub bearing can be prolonged, an installation lug is arranged on the side wall, the brake caliper installation part is located on the installation lug, arrangement of the brake caliper installation part on a steering knuckle can be facilitated, meanwhile, the weight of the steering knuckle is prevented from being increased greatly, weight reduction of the steering knuckle is guaranteed, and the brake caliper installation part adopts the brake caliper installation hole, is simple in structure and is beneficial to installation operation of a brake caliper.

In addition, the bridge body connecting portion comprises connecting main body and linking arm, simple structure, easy design shaping sets up the connecting hole that supplies bridge body tip male on connecting main body, can be convenient for with the connection between the bridge body, also can guarantee simultaneously with the stability of being connected between the bridge body. The upper surface of the upper wall forms a limiting surface, which is favorable for realizing the buffering and limiting functions between the axle and the frame and improving the driving comfort of the vehicle. The mounting structure adopts the support tile and the connecting component, has simple structure and easy manufacture, and is beneficial to reducing the cost.

Furthermore, the connecting component adopts a screw structure formed by bolts and nuts, so that the operation is simple, and the installation reliability of the leaf spring can be ensured. The steel plate spring mounting hole is a threaded hole, a nut can be omitted, and the cost of the mounting structure can be further reduced. The integral casting and forming of the steering knuckle can facilitate the preparation of the steering knuckle, is beneficial to reducing the cost of the steering knuckle and can ensure the structural strength of the steering knuckle.

In addition, another object of the present utility model is to propose a vehicle in which the integral bridge suspension as described above is provided.

According to the vehicle, the integral bridge type suspension is arranged, so that the arrangement requirement of the leaf springs in the integral bridge type suspension is met, and the performance of the vehicle is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a whole bridge suspension according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a whole bridge suspension according to an embodiment of the present utility model from another perspective;

FIG. 3 is a schematic view of a steering knuckle, mounting structure and leaf spring in an assembled state according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a steering knuckle and mounting structure in an assembled state according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a steering knuckle according to an embodiment of the present utility model in one view;

FIG. 6 is a schematic view of a steering knuckle according to an embodiment of the present utility model from another perspective;

Fig. 7 is a schematic structural view of a mounting structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1. A knuckle body; 2, a bridge body connecting part, 3, a buffer block, 4, a bridge body, 5, a leaf spring, 6, a hub bearing, 7, a driving half shaft, 8, a support tile and 9, a connecting component;

100. 200, cavity;

101. Upper wall 1011, limit surface 102, lower wall 1021, plate spring mounting hole 103, side wall 1031, hub bearing mounting hole 1032, hub bearing fixing hole 1033, water draining groove 1034, mounting lug 1035, brake caliper mounting hole;

201. 2011, connecting holes 202, connecting arms;

301. a base;

801. 802, protruding;

901. bolts, 902, nuts.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. are presented, they are based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, if any, are also used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the components may be fixedly connected, detachably connected or integrally connected, mechanically connected or electrically connected, directly connected or indirectly connected through an intermediate medium, or communicated with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The present embodiment relates to a whole bridge suspension, aiming at meeting the arrangement requirement of a leaf spring 5 under the condition that a suspension driving half shaft is separated from an axle housing by optimizing the structure of the whole bridge suspension.

The integral bridge suspension of the present embodiment includes an integral bridge, as shown in fig. 1 and 2, and a leaf spring 5 mounted on a knuckle 100 in the integral bridge.

Wherein the knuckle 100 has a knuckle body 1 and a bridge body connecting portion 2 connected to a bridge body 4 in an integral bridge, and the knuckle body 1 includes upper and lower walls 101 and 102 arranged opposite to each other up and down, and a side wall 103 connected between the upper and lower walls 101 and 102, and the side wall 103 is located on a side of the knuckle 100 closer to the outside of the vehicle as a whole. The bridge body connecting part 2 is connected between the upper wall 101 and the lower wall 102, the side wall 103 is provided with a hub bearing mounting part, a cavity 200 for the driving half shaft 7 to pass through is formed between the upper wall 101 and the lower wall 102, and the leaf spring 5 is mounted at the bottom of the lower wall 102 through a mounting structure.

At this time, as set forth above, by providing the knuckle 100 in the integral axle such that the knuckle body 1 in the knuckle 100 is constituted by the upper wall 101 and the lower wall 102 which are arranged oppositely, and the side wall 103 connected between the upper wall 101 and the lower wall 102, and such that the drive axle shaft 7 is connected with the hub bearing 6 on the side wall 103 through the cavity 200 between the upper wall 101 and the lower wall 102, and such that the leaf spring 5 is mounted at the bottom of the lower wall 102, the present embodiment can realize the mounting arrangement of the leaf spring 5 on the integral axle with the suspension drive axle shaft 7 separated from the axle housing, and thus can satisfy the arrangement requirement of the leaf spring 5 in the integral axle suspension.

Based on the above overall description, specifically, as a preferred implementation manner, the bridge body 4 of the present embodiment preferably adopts a bent tubular beam, which has a simple structure and is easy to form, and meanwhile, the structural stability of the overall bridge can be ensured by utilizing the characteristic of large structural strength of the tubular body. The drive half shaft 7 is connected to the hub bearing 6 attached to the side wall 103 via a cavity 200 between the upper wall 101 and the lower wall 102. The leaf spring 5 is attached to the bottom of the lower wall 102 and is disposed to extend in the front-rear direction of the entire vehicle.

In a preferred embodiment, the side wall 103 is provided with a brake caliper mounting portion. By providing the brake caliper mounting portion on the side wall 103, the arrangement requirements of the brake caliper in the integral axle can be met, and the integration level of the axle structure can be improved.

As shown in fig. 2 and 6, the hub bearing mounting portion includes a hub bearing mounting hole 1031 provided through the side wall 103, and a plurality of hub bearing fixing holes 1032 provided on the side wall 103 around the hub bearing mounting hole 1031. The hub bearing mounting portion is constituted by the hub bearing mounting hole 1031 and the hub bearing fixing hole 1032, is simple in structure, is easy to design and shape, and can facilitate the mounting arrangement of the hub bearing 6. In practice, the hub bearing fixing holes 1032 may preferably be threaded holes, which is advantageous in improving the convenience of assembling the hub bearing 6.

In some embodiments, as shown in fig. 6, the bottom of the inner wall of the hub bearing mounting hole 1031 is provided with a drain groove 1033. The drain grooves 1033 communicate with the hub bearing mounting holes 1031 and the exterior of the sidewall 103 to facilitate draining water entering the hub bearing 6 location and to facilitate improving the service life of the hub bearing 6.

As a preferred embodiment, as shown in fig. 6, the edge of the side wall 103 is provided with a convex mounting ear 1034, and the brake caliper mounting portion includes a brake caliper mounting hole 1035 provided on the mounting ear 1034. The mounting lugs 1034 are arranged on the side walls 103, and the brake caliper mounting holes 1035 are arranged on the mounting lugs 1034, so that the brake caliper mounting portions are positioned on the mounting lugs 1034, the arrangement of the brake caliper mounting portions on the steering knuckle 100 can be facilitated, meanwhile, the large increase of the weight of the steering knuckle 100 can be avoided, and the light weight of the steering knuckle 100 can be guaranteed. In addition, the brake caliper mounting portion adopts the brake caliper mounting hole 1035, so that the structure is simple, and the mounting operation of the brake caliper is facilitated.

As shown in fig. 5 and 6, the two mounting lugs 1034 are arranged at intervals from top to bottom, and the two mounting lugs 1034 are matched with the brake caliper mounting holes 1035, so that the reliability of the brake caliper is improved, the arrangement space formed on two sides of the bridge body 4 can be fully utilized, the mounting arrangement of the brake caliper is facilitated, and the interference between the brake caliper and the peripheral parts is avoided. In particular, the brake caliper mounting holes 1035 may be threaded holes, for example, and in addition to the brake caliper mounting holes 1035, the brake caliper mounting portions may be other conventional mounting structures provided on the mounting ears 1034.

As shown in fig. 5 and 6, the bridge connecting portion 2 includes a connecting body 201, and a connecting arm 202 connecting the connecting body 201 between the upper wall 101 and the lower wall 102, and a connecting hole 2011 into which an end portion of the bridge 4 is inserted is provided on the connecting body 201. In this embodiment, the bridge connecting portion 2 is composed of the connecting main body 201 and the connecting arm 202, which is simple in structure and easy to design and form, and the connecting main body 201 is provided with the connecting hole 2011 for the insertion of the end portion of the bridge 4, so that the connection with the bridge 4 can be facilitated, and meanwhile, the stability of the connection between the knuckle 100 and the bridge 4 can be ensured.

Structurally, the bridge connecting portion 2 is connected between the rear sides of the upper wall 101 and the lower wall 102 corresponding to the inner side of the knuckle body 1. The connection body 201 has a columnar shape, and the connection hole 2011 extends from one end of the connection body 201 toward the other end of the vehicle interior. After the end of the bridge 4 is inserted into the connection hole 2011, the bridge 4 and the connection body 201 are generally fastened together by welding.

As a preferred embodiment, as shown in fig. 3 and 4, the mounting structure includes a bracket 8 and a plurality of connection assemblies 9. The leaf spring 5 is connected to the bottom of the lower wall 102 through the bracket 8 and the connecting components 9, and the connecting components 9 are respectively arranged at two sides of the leaf spring 5. Here, the mounting structure adopts the support tile 8 and the connecting component 9, and the structure is simple, easy to manufacture, and is helpful for reducing the cost.

In some embodiments, as shown in fig. 3 and 4, leaf spring mounting holes 1021 are provided in the lower wall 102 and connection vias are provided in the bracket 8. The leaf spring mounting hole 1021 is simple in structure, easy to mold and convenient for mounting operation connection of the leaf spring 5. The connection assembly 9 includes a bolt 901 passing through the connection via hole and the leaf spring mounting hole 1021 together, and a nut 902 screwed with the bolt 901.

Wherein the nut 902 is attached to the lower wall 102 or the shoe 8 or the nut 902 is independently arranged with respect to the lower wall 102 and the shoe 8. The connecting component 9 adopts a screw structure formed by the bolts 901 and the nuts 902, is simple to operate, and can ensure the installation reliability of the leaf spring 5.

In some embodiments, as a structural example, as shown in fig. 4, two leaf spring mounting holes 1021 are provided on the lower wall 102 at intervals in front-rear, respectively, corresponding to both sides in the width direction of the leaf spring 5, and connection vias on the bracket 8 are provided in one-to-one correspondence with the leaf spring mounting holes 1021. At this time, four bolts 901 and four nuts 902 are required. Of course, the number of the leaf spring mounting holes 1021 in the present embodiment can be adaptively adjusted as long as the connection requirement is satisfied.

In a specific connection, each bolt 901 can pass through the leaf spring mounting hole 1021 and the corresponding connection via hole from top to bottom and be connected with the nut 902 positioned at the bottom of the supporting tile 8 in a threaded manner. At this time, the nut 902 may be provided independently of the shoe 8, or may be fixedly attached to the bottom of the shoe 8.

Of course, each bolt 901 may pass through the connecting via hole and the corresponding leaf spring mounting hole 1021 sequentially from bottom to top, and be screwed with the nut 902 located on the top of the lower wall 102. In this case, the nut 902 may be provided independently of the lower wall 102 or may be fixedly attached to the lower wall 102.

In other embodiments, as an example of a structure, the lower wall 102 is provided with leaf spring mounting holes 1021, and the bracket 8 is provided with connecting vias. The leaf spring mounting hole 1021 is a screw hole, and the connection assembly 9 includes a bolt 901 passing through the connection via hole and screwed into the leaf spring mounting hole 1021. By the arrangement, the steel plate spring mounting holes 1021 are threaded holes, so that nuts 902 can be omitted, and the cost of the mounting structure can be further reduced.

As shown in fig. 7, in order to improve the use effect of the shoe 8, downward turned flanges 801 are respectively provided at both ends of the shoe 8. A downwardly projecting boss 802 is provided in the middle of the shoe 8. Here, by providing the lower flange 801 and the projection 802, the structural strength of the shoe 8 is improved, and the mounting fastness of the leaf spring 5 on the lower wall 102 is improved.

As a preferred embodiment, a limit surface 1011 is formed on the upper surface of the upper wall 101, and the limit surface 1011 is used to abut against the cushion block 3 on the frame under the excitation of wheel jump. The upper surface of the upper wall 101 forms a limit surface 1011, which is conducive to realizing a buffering and limiting function between the integral bridge and the frame, and is conducive to improving the comfort of driving and riding of the vehicle.

The installation and construction of the buffer blocks 3 on the frame can be referred to in the prior art. For example, it may be the structure shown in fig. 1, and the cushion 3 may be attached to the base 301 by vulcanization or adhesion, and connected to the frame through the base 301. And the buffer block 3 is made of rubber material with proper elasticity and better weather resistance and durability.

The knuckle 100 in this embodiment is integrally cast. This facilitates the preparation of the knuckle 100, reduces the cost of the knuckle 100, and also ensures the structural strength of the knuckle 100. In addition, a weight-reducing structure, not shown in the drawings, may be provided on at least one of the upper wall 101 and the lower wall 102, so that a lightweight design of the knuckle 100 may be achieved. The weight reducing structure can be at least one of a weight reducing groove and a weight reducing hole, and the weight reducing groove and the weight reducing hole are simple in structure, easy to machine and shape and beneficial to achieving the weight reducing effect.

The integral bridge type suspension in the embodiment not only can realize the installation and arrangement of the steel plate spring 5 on the axle 4 under the condition that the suspension driving half shaft 7 is separated from the axle housing by optimizing the structure of the integral bridge type suspension, but also is beneficial to the integrated arrangement of the hub bearing 6, the brake caliper, the steel plate spring 5 and the bridge body 4, and is beneficial to reducing the space occupation amount of the knuckle 100, and the weight of the whole vehicle can be reduced, so that the fuel economy of the whole vehicle is improved.

Furthermore, the present embodiment relates to a vehicle in which the integral bridge suspension as described above is provided.

The integral axle of the present embodiment may be, for example, a rear axle in a vehicle which facilitates the mounting arrangement of the leaf springs 5 on the axle by providing an integral bridge suspension as described above, thereby facilitating the improvement of the performance of the vehicle.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. A unitary bridge suspension characterized by:

Comprising an integral bridge, and a leaf spring (5) mounted on a knuckle (100) in the integral bridge;

the knuckle (100) has a knuckle body (1) and a bridge body connecting portion connected to a bridge body (4) in the integral bridge, and the knuckle body (1) includes an upper wall (101) and a lower wall (102) arranged opposite to each other up and down, and a side wall (103) connected between the upper wall (101) and the lower wall (102);

The bridge body connecting portion is connected between the upper wall (101) and the lower wall (102), the side wall (103) is provided with a hub bearing mounting portion, a cavity (200) for a driving half shaft (7) to pass through is formed between the upper wall (101) and the lower wall (102), and the leaf spring (5) is mounted at the bottom of the lower wall (102) through a mounting structure.

2. The integral bridge suspension of claim 1 wherein:

The side wall (103) is provided with a brake caliper mounting portion.

3. The integral bridge suspension of claim 2 wherein:

the hub bearing mounting part comprises a hub bearing mounting hole (1031) penetrating through the side wall (103) and a plurality of hub bearing fixing holes (1032) surrounding the hub bearing mounting hole (1031) and arranged on the side wall (103), and a drainage groove (1033) is arranged at the bottom of the inner wall of the hub bearing mounting hole (1031), and/or,

The edge of the side wall (103) is provided with a convex mounting lug (1034), and the brake caliper mounting part comprises a brake caliper mounting hole (1035) arranged on the mounting lug (1034).

4. The integral bridge suspension of claim 1 wherein:

The bridge body connecting part comprises a connecting main body (201) and a connecting arm (202) for connecting the connecting main body (201) between the upper wall (101) and the lower wall (102), and a connecting hole (2011) for inserting the end part of the bridge body (4) is formed in the connecting main body (201).

5. The integral bridge suspension of claim 1 wherein:

The upper surface of the upper wall (101) is provided with a limiting surface (1011), and the limiting surface (1011) is used for abutting against a buffer block (3) on the frame under wheel jump excitation.

6. The integral bridge suspension of claim 1 wherein:

the mounting structure comprises a bracket (8) and a plurality of connecting components (9);

The leaf springs (5) are connected to the bottom of the lower wall (102) through the supporting tiles (8) and the connecting assemblies (9), and the connecting assemblies (9) are respectively arranged on two sides of the leaf springs (5).

7. The integral bridge suspension of claim 6 wherein:

A leaf spring mounting hole (1021) is formed in the lower wall (102), and a connecting through hole is formed in the supporting tile (8);

the connecting assembly (9) comprises a bolt (901) which passes through the connecting through hole and the leaf spring mounting hole (1021) together, and a nut (902) which is in threaded connection with the bolt (901);

The nut (902) is fixedly connected to the lower wall (102) or the support tile (8), or the nut (902) is independently arranged relative to the lower wall (102) and the support tile (8).

8. The integral bridge suspension of claim 6 wherein:

A leaf spring mounting hole (1021) is formed in the lower wall (102), and a connecting through hole is formed in the supporting tile (8);

The leaf spring mounting hole (1021) is a threaded hole, and the connecting assembly (9) comprises a bolt (901) penetrating through the connecting through hole and being in threaded connection with the leaf spring mounting hole (1021).

9. The integral bridge suspension according to any one of claims 1 to 8, wherein:

the bridge body (4) adopts a bent pipe beam, and/or the steering knuckle (100) is integrally cast and formed.

10. A vehicle, characterized in that:

The vehicle provided with the integral bridge suspension according to any one of claims 1 to 9.