CN211808887U - Bush subassembly and vehicle - Google Patents

Abstract

The embodiment of the utility model provides a bush subassembly and vehicle belongs to vehicle technical field. Wherein the bushing assembly includes at least: the bushing is provided with a first end surface and a second end surface which are opposite to each other, the bushing is arranged in a bushing hole position formed in the auxiliary frame in a penetrating mode, the first end surface of the bushing extends out of one side of the bushing hole position, and the second end surface extends out of the other side of the bushing hole position; wherein the first end surface of the bush abuts against a first position of the vehicle body, the first position being a position on the vehicle body facing the first end surface of the bush. The embodiment of the utility model provides a first position of the first terminal surface butt automobile body of bush among the bush subassembly for the first position of automobile body can give the first terminal surface of bush one from the first terminal surface to the support power of second terminal surface, thereby can promote the ascending rigidity of bush axial.

Description

Bush subassembly and vehicle

Technical Field

The embodiment of the utility model provides a relate to vehicle technical field, especially relate to a bush subassembly and vehicle.

Background

The bushing connected to the subframe of the vehicle is a key force transmission member in a vehicle suspension system, and is used for bearing various forces and moments during the running process of the vehicle, so that the operating performance, the stability and the comfort performance of the vehicle are ensured.

Good handling properties require that the bushings connected to the subframe have a sufficiently high axial stiffness, but in the prior art, the axial stiffness of the bushings is not sufficiently high, resulting in that the handling properties of the vehicle do not meet the user's requirements.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a bush subassembly and vehicle, the main technical problem who solves is: the axial rigidity of the bush is improved.

In order to achieve the above object, an embodiment of the present invention provides a bushing assembly, which at least includes: the bushing is provided with a first end face and a second end face which are opposite to each other, the bushing is arranged in a bushing hole position formed in the auxiliary frame in a penetrating mode, the first end face of the bushing extends out of one side of the bushing hole position, and the second end face of the bushing extends out of the other side of the bushing hole position; wherein the first end surface of the bushing abuts a first position of the vehicle body, the first position being a position on the vehicle body facing the first end surface of the bushing.

In an embodiment of the present invention, the bushing assembly further comprises: the limiting plate is connected with a second position of the vehicle body, the second position is a position on the other side, close to the bushing hole position, of the vehicle body, and at least part of the limiting plate is abutted to a second end face of the bushing; wherein the bushing is restrained between the restraining plate and the first position of the vehicle body.

In an embodiment of the present invention, the limiting plate has a fixed portion and a limiting portion connected to the fixed portion, the fixed portion is connected to the second position of the vehicle body, the limiting portion has an abutting surface adapted to the second end surface of the bushing, and the abutting surface of the limiting portion abuts against the second end surface of the bushing; the fixing part extends from one end connected with the limiting part to one side of the limiting part close to the bushing, and an obtuse angle or a right angle is formed between the fixing part and the limiting part.

In an embodiment of the present invention, the bushing assembly further comprises: the connecting piece sequentially penetrates through the limiting plate and the bushing and is connected with the first position of the vehicle body.

In one embodiment of the present invention, the bushing includes: the first bushing is sleeved at one end of the second bushing; the surface of the first bushing, which faces away from the second bushing, is a first end face of the bushing, and the surface of the second bushing, which faces away from the first bushing, is a second end face of the bushing.

In one embodiment of the present invention, the end of the second bushing connected to the first bushing has an annular recess, the annular recess divides the end of the second bushing connected to the first bushing into an outer bushing and an inner bushing spaced apart from each other, and the length of the outer bushing is smaller than the length of the inner bushing; the first bushing is sleeved on the inner bushing, the surface of the first bushing, which is close to the second bushing, abuts against the auxiliary frame on one side of the bushing hole, the outer side, which is far away from one end of the first bushing, of the second bushing radially extends to form an extending part, and the surface of the extending part, which is close to the first bushing, abuts against the auxiliary frame on the other side of the bushing hole.

In an embodiment of the present invention, the first end surface of the first bushing has at least 2 first buffer protrusions, and the at least 2 first buffer protrusions are disposed on the first end surface of the first bushing at intervals; the second end face of the second bushing is provided with at least 2 second buffer convex parts, and the at least 2 second buffer convex parts are arranged on the second end face of the second bushing at intervals.

In an embodiment of the present invention, the first end surface and the second end surface each have a plurality of dot-shaped protrusions, and the plurality of dot-shaped protrusions are spaced apart from each other.

Based on the same inventive concept, the embodiment of the utility model provides a vehicle is provided, this vehicle includes: vehicle body, sub vehicle frame and the bush subassembly in the above-mentioned.

In one embodiment of the invention, the first position of the body has a recess adapted to the first end face side of the bushing.

The embodiment of the utility model provides a bush subassembly and vehicle, wherein, the bush subassembly includes at least: the bushing is provided with a first end face and a second end face which are opposite to each other, the bushing is arranged in a bushing hole position formed in the auxiliary frame in a penetrating mode, the first end face of the bushing extends out of one side of the bushing hole position, and the second end face of the bushing extends out of the other side of the bushing hole position; wherein the first end surface of the bushing abuts a first position of the vehicle body, the first position being a position on the vehicle body facing the first end surface of the bushing. The embodiment of the utility model provides an in the first position of the first terminal surface butt automobile body of bush for the automobile body can give the first terminal surface of bush one from the first terminal surface to the support of second terminal surface and do all can promote the ascending rigidity of bush axial.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

FIG. 1 is a schematic view of a bushing assembly according to an embodiment of the present invention;

fig. 2 is a partial schematic view of a vehicle (subframe) according to an embodiment of the present invention;

fig. 3 is a partial schematic view of a vehicle (with a bushing inserted into a subframe) according to an embodiment of the present invention;

FIG. 4 is a schematic view of a bushing assembly according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a bushing assembly according to an embodiment of the present invention;

fig. 6 is a partial schematic view of a vehicle according to an embodiment of the present invention;

fig. 7 is a partially disassembled perspective view of the vehicle according to the embodiment of the present invention;

fig. 8 is a schematic view of a first bushing in accordance with an embodiment of the present invention;

fig. 9 is a schematic view of a second bushing in accordance with an embodiment of the present invention.

Description of reference numerals:

100-vehicle, 10-bushing assembly, 110-bushing, 111-first end face, 112-second end face, 110A-first bushing, 110B-second bushing, 113-annular recess, 114-outer bushing, 115-inner bushing, 116-first buffer protrusion, 117-second buffer protrusion, 118-dotted protrusion, 119-extension, 120-limiting plate, 121-fixing portion, 1211-first bolt hole location, 122-limiting portion, 123-abutting surface, 130-connecting piece, 20-subframe, 210-bushing hole location, 30-vehicle body, 310-first position, 311-fixed column, 320-second position.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

First, the axial direction of the bush will be explained.

The bush has two terminal surfaces that carry on the back mutually, is respectively: the connecting line of the first end surface and the second end surface is in the axial direction of the bushing.

An embodiment of the present invention provides a bushing assembly 10, as shown in fig. 1-3 and 7, the bushing assembly 10 at least includes: the bushing 110 has a first end surface 111 and a second end surface 112 opposite to each other, the bushing 110 is inserted into a bushing hole 210 formed in the subframe 20, the first end surface 111 of the bushing 110 extends from one side of the bushing hole 210, and the second end surface 112 extends from the other side of the bushing hole 210; the first end surface 111 of the bushing 110 abuts against a first position 310 of the vehicle body 30, and the first position 310 is a position on the vehicle body 30 facing the first end surface 111 of the bushing 110.

Specifically, the bushing 110 is inserted into a bushing hole 210 formed in the subframe 20, and the first end surface 111 of the bushing 110 extends from one side of the bushing hole 210, and the second end surface 112 extends from the other side of the bushing hole 210, so as to implement the operability, stability and comfort of the vehicle, where the bushing 110 is in interference fit with the bushing hole 210, so as to improve the operability, stability and comfort of the vehicle; the first end surface 111 of the bushing 110 abuts against the first position 310 of the vehicle body 30, where the first position 310 is a position on the vehicle body 30 facing the first end surface 111 of the bushing 110, that is, a position where the first end surface 111 of the bushing 110 abuts against the vehicle body 30 and faces the first end surface 111 of the bushing 110, for example, when the vehicle body 30 is specifically a side member, and the first position 310 of the vehicle body 30 is a position on the side member and faces the first end surface 111 of the bushing 110, then the first end surface 111 of the bushing 110 abuts against the side member and faces the first end surface 111 of the bushing 110.

In the present embodiment, since the first end surface of the bush abuts against the first position of the vehicle body, the vehicle body (e.g., the side member) at the first position can give the first end surface of the bush an abutting force from the first end surface to the second end surface in the axial direction of the bush, so that the rigidity in the axial direction (the first end surface side) of the bush can be enhanced.

In an embodiment of the present invention, referring to fig. 4-7, the bushing assembly 10 may further include: the limiting plate 120, the limiting plate 120 is connected with a second position 320 of the vehicle body 30, the second position 320 is a position on the vehicle body 30, which is close to the other side of the bushing hole site 210, and at least part of the limiting plate 120 abuts against the second end face 112 of the bushing 110; wherein the bushing 110 is trapped between the stopper plate 120 and the first position 310 of the body 30.

Specifically, the limiting plate 120 is connected to the second position 320 of the vehicle body 30, which may be welded, bolted, or connected in other ways, and the embodiment of the present invention is not limited specifically; the above-mentioned stopper plate 120 is connected to the second position 320 of the vehicle body 30, and the second position 320 is a position on the vehicle body 30 adjacent to the other side of the bushing hole site 210, that is, the stopper plate 120 is connected to the other side of the vehicle body 30 adjacent to the bushing hole site 210, for example: the vehicle body 30 is embodied as a longitudinal beam, and the second position 320 of the vehicle body 30 is a position on the longitudinal beam adjacent to the other side of the bushing hole site 210, then the stopper plate 120 is connected to the position on the longitudinal beam adjacent to the other side of the bushing hole site 210, and at least part of the stopper plate 120 abuts against the second end surface 112 of the bushing 110, so as to limit the bushing 110 between the stopper plate 120 and the first position 310 of the vehicle body 30.

In this embodiment, since the restriction plate connected to the vehicle body at least partially abuts against the second end face of the bush, the portion of the restriction plate abutting against the second end face of the bush gives the second end face of the bush an abutting force in the direction of the first end face from the second end face in the axial direction of the bush, so that the rigidity in the axial direction of the bush (the side of the second end face) can be enhanced.

The second position 321 of the vehicle body 30 and the first position 310 of the vehicle body 30 are different positions.

Further, referring to fig. 4 to 7, the stopper plate 120 has a fixing portion 121 and a stopper portion 122 connected to the fixing portion 121, the fixing portion 121 is connected to the second position 320 of the vehicle body 30, the stopper portion 122 has an abutting surface 123 adapted to the second end surface 112 of the bushing 110, and the abutting surface 123 of the stopper portion 122 abuts the second end surface 112 of the bushing 110; the fixing portion 121 extends from one end of the connection limiting portion 122 to one side of the limiting portion 122 close to the bushing 110, and an obtuse angle or a right angle is formed between the fixing portion 121 and the limiting portion 122.

Specifically, the stopper plate 120 of the above-described embodiments includes the fixing portion 121 and the stopper portion 122 connected to the fixing portion 121, wherein the fixing portion 121 fixes the stopper plate 120 at the second position 320 of the vehicle body 30, and the stopper portion 122 connected to the fixing portion 121 abuts against the second end surface 112 side of the bushing 110 and gives an abutting force to the second end surface 112 of the bushing 110 from the second end surface 112 to the first end surface 111; the fixing portion 121 may be welded to the second position 320 of the vehicle body 30, may be screwed to the second position 320 of the vehicle body 30, and may be connected in other manners, such as: referring to fig. 4, a first bolt hole 1211 is formed in the fixing portion 121, a second bolt hole matched with the first bolt hole 1211 is formed in a second position 320 of the vehicle body 30, and the first bolt hole 1211 and the second bolt hole are sequentially bolt-connected by a bolt, so that the fixing portion 121 is connected with the second position 320 of the vehicle body 30; the above-mentioned limiting portion 122 has an abutting surface 123 adapted to the second end surface 112 of the bushing 110, and the abutting surface 123 of the limiting portion 122 abuts against the second end surface 112 of the bushing 110, for example: the second end surface 112 of the bushing 110 is recessed toward the first end surface 111, and then the abutting surface 123 of the stopper 112 is raised toward the second end surface 112 of the bushing 110 to be completely contacted with the second end surface 112 of the bushing 110; the fixing portion 121 extends from one end of the connection limiting portion 122 to one side of the limiting portion 122 close to the bushing 110, and an obtuse angle or a right angle is formed between the fixing portion 121 and the limiting portion 122, so that the abutting surface 123 of the limiting portion 122 better gives the second surface 112 of the bushing 110a force from the second surface 112 to the first surface 111, for example, as shown in fig. 4-7, an obtuse angle is formed between the fixing portion 121 and the limiting portion 122, and then, after the fixing portion 121 is connected with the second position 320 of the vehicle body 30, the abutting surface 123 of the limiting portion 122 better gives the second surface 112 of the bushing 110a force from the second surface 112 to the first surface 111.

The limiting plate in the embodiment is simple in structure, the limiting part of the limiting plate abuts against the second end face of the bushing and gives the second end face of the bushing a supporting force in the direction from the second end face to the first end face, and therefore the rigidity of the bushing in the axial direction (on the side of the second end face) can be improved.

In an embodiment of the present invention, referring to fig. 7, the bushing assembly 10 may further include: the connection member 130 is connected to the first position 310 of the vehicle body 30 by passing the stopper plate 120 and the bushing 110 through the connection member 130 in this order.

Specifically, the connecting member 130 is used to penetrate the limiting plate 120 and the bushing 110 and is connected with the first position 310 of the vehicle body 30 so as to increase the axial rigidity of the bushing 110, and then the connecting member 130 may be a bolt threaded through the limiting plate 120, the bushing 110 and threaded on the first position 310 of the vehicle body 30, or a pin threaded through the limiting plate 120 and the bushing 110 and interference-fitted in a hole position of the first position 310 of the vehicle body 30, such as: referring to fig. 7, the connecting member 130 is a bolt, a fixing post 311 extends from the first position 310 of the vehicle body 30 in the direction of the bushing 110, the fixing post 311 has an internal thread, and the bolt sequentially passes through the limiting plate 120 and the bushing 110 and is connected with the fixing post 311 having the internal thread at the first position 310 of the vehicle body 30.

In this embodiment: firstly, the limiting plate and the bushing are sequentially arranged in a penetrating manner through the connecting piece and are connected with the first position of the vehicle body, so that the axial rigidity of the bushing can be further improved through the arrangement of the connecting piece; secondly, limiting plate, bush and be connected with the first position of automobile body are worn to establish in proper order by the connecting piece in this embodiment, and here wear to establish and have limited the connecting piece for strip structures such as bolt, pin for the simple structure of connecting piece, moreover, strip structure's manufacture craft has been very ripe, thereby can reduce the cost of manufacture.

In an embodiment of the present invention, referring to fig. 3, 5, 7-9, the bushing 110 includes: the first bushing 110A is sleeved on one end of the second bushing 110B; the surface of the first bushing 110A facing away from the second bushing 110B is a first end surface 111 of the bushing 110, and the surface of the second bushing 110B facing away from the first bushing 110A is a second end surface 112 of the bushing 110.

Specifically, the first bushing 110A and the second bushing 110B together form the bushing 110, wherein the first bushing 110A is sleeved on the second bushing 110B, and then the first bushing 110A has a sleeving hole, so that the first bushing 110A is sleeved on the second bushing 110B, for example: referring to fig. 5, a hole is formed in the center of the first bushing 110A, so that the first bushing 110A can be sleeved on the second bushing 110B.

In the embodiment, the bushing is divided into the first bushing and the second bushing, so that on the basis of ensuring that the axial rigidity of the bushing meets the operating performance requirement, the axial rigidity of the bushing can be offset, and the comfort performance of a vehicle on which the bushing is installed is better.

Further, as shown in fig. 1, 3, 5 and 9, an end of the second liner 110B connected to the first liner 110A has an annular recess 113, the annular recess 113 divides the end of the second liner 110B connected to the first liner 110A into an outer liner 114 and an inner liner 115 spaced apart from each other, and a length of the outer liner 114 is smaller than a length of the inner liner 115; the inner bushing 115 is sleeved with the first bushing 110A, a surface of the first bushing 110A close to the second bushing 110B abuts against the subframe 20 on one side of the bushing hole 210, an outer side of the second bushing 110B away from one end of the first bushing 110A extends radially to form an extending portion 119, and a surface of the extending portion 119 close to the first bushing 110A abuts against the subframe 20 on the other side of the bushing hole 210.

Specifically, one end of the second bush 110B connected to the first bush 110A has an annular recess 113, the annular recess 113 divides the end of the second bush 110B connected to the first bush 110A into an outer bush 114 and an inner bush 115 spaced apart from each other, and the length of the outer bush 114 is smaller than that of the inner bush 115 so that the first bush 110A can be fitted to the inner bush 115 of the second bush 110B; the inner bushing 115 is sleeved with the first bushing 110A, a surface of the first bushing 110A close to the second bushing 110B abuts against the subframe 20 on one side of the bushing hole site 210, an outer side of one end, away from the first bushing 110A, of the second bushing 110B radially extends to form an extending portion 119, a surface of the extending portion 119 close to the first bushing 110A abuts against the subframe 20 on the other side of the bushing hole site 210, that is, the subframe 20 on two sides of the bushing hole site 210 is limited on a surface of the first bushing 110A close to the second bushing 110B and a surface of the extending portion 110 close to the first bushing 110A.

The annular concave part in the embodiment can offset part of rigidity of the bushing in the axial direction on the basis of ensuring that the axial rigidity of the bushing meets the requirement of the operating performance, so that the rigidity of the bushing in the axial direction meets the requirement of high rigidity of the operating performance and the requirement of low rigidity of comfort; simultaneously, because the sub vehicle frame of the surface butt bush hole site one side that first bush is close to the second bush, the outside radial extension that the second bush deviates from first bush one end has the extension, the extension is close to the sub vehicle frame of the surface butt bush hole site opposite side of first bush, thereby make the sub vehicle frame of bush hole site both sides by spacing the surface that first bush is close to second bush one side and the surface that the extension is close to first bush, thereby, can further promote the axial rigidity of bush, and can prevent the aversion of bush.

In an embodiment of the present invention, referring to fig. 1, 8 and 9, the first end surface 111 of the first bushing 110A has at least 2 first buffer protrusions 116, and the at least 2 first buffer protrusions 116 are spaced apart from each other and disposed on the first end surface 111 of the first bushing 110A; the second end surface 112 of the second bushing 110B has at least 2 second buffer protrusions 117, and the at least 2 second buffer protrusions 117 are disposed on the second end surface 112 of the second bushing 110B at intervals.

Specifically, the first buffer protrusions 116 are protruded from the first end surface 111 of the first bush 110A in a direction away from the first end surface 111, and the number of the first buffer protrusions 116 is at least 2, that is, the number of the first buffer protrusions 116 may be 2, 3, or more than 3; the at least 2 first buffer protrusions 116 are provided on the first end surface 111 of the first bush 110A at intervals, for example: referring to fig. 1, the first buffer protrusions 116 are 4 in number and spaced apart from each other. It is understood that, in order to make the cushioning effect of the first end surface 111 side of the first bush 110A more uniform, the distance between two adjacent first cushioning protrusions 116 is a constant, such as: referring to fig. 1, the number of the first buffer protrusions 116 is 4, and the 4 first buffer protrusions 116 are connected to form an equilateral rectangle.

The second buffer protrusions 117 protrude from the second end surface 112 of the second bushing 110B in a direction away from the second end surface 112, and the number of the second buffer protrusions 117 is at least 2, that is, the number of the second buffer protrusions 117 may be 2, 3, or more than 3; the at least 2 second buffer protrusions 117 are disposed on the second end surface 112 of the second bushing 110B at intervals, for example: the number of the second buffer protrusions 117 is 3 and spaced apart from each other. It can be understood that, in order to make the buffering effect of the second bushing 110B on the second end surface 112 side more uniform, the distance between two adjacent second buffering protrusions 117 is a constant, such as: the number of the second buffer protrusions 117 is 3, and the 3 second buffer protrusions 117 are connected to form an equilateral triangle.

The first buffer protrusion 116 and the second buffer protrusion 117 are made of elastic materials, such as: rubber, it can take place deformation, also can be at deformation after the reconversion, the vibration isolation performance (buffering effect promptly) that the first buffering convex part and the second buffering convex part that adopt elastic material preparation to form can promote the bush.

Preferably, the number of the second buffer protrusions 117 is the same as the number of the first buffer protrusions 116, and they are opposite to each other; meanwhile, the distance between two adjacent first buffering convex parts 116 is equal to the distance between two adjacent second buffering convex parts 117, so that the vibration isolation performance (namely, the buffering effect) of the bushing can be better improved by the buffering convex parts, and the vibration isolation performance (namely, the buffering effect) is more uniform.

Further, as shown in fig. 1 and 8, each of the first end surface 111 and the second end surface 112 has a plurality of dot-shaped protrusions 118, and the plurality of dot-shaped protrusions 118 are disposed at intervals from each other.

Specifically, the first end surface 111 and the second end surface 112 have a plurality of dot-shaped protrusions 118, where the dot-shaped protrusions may be in a hemispherical shape, a triangular cone shape, a truncated cone shape, or the like, and the embodiment of the present invention is not limited specifically. It is understood that, when the first end surface 111 has the first buffer protrusion 116 and the second end surface 112 has the second buffer protrusion 117, the surfaces of the first buffer protrusion 116 and the second buffer protrusion 117 also have a plurality of dot-shaped protrusions, and the plurality of dot-shaped protrusions are spaced apart from each other.

The first end surface of the bushing in the embodiment is provided with a plurality of point-shaped bulges which are arranged at intervals, so that air flow generated between the vehicle body and the first end surface of the bushing leaves from a gap between two adjacent point-shaped bulges, and noise can be reduced; likewise, the second end surface of the bushing has a plurality of dot-shaped protrusions which are disposed at intervals from each other, so that the air flow generated between the second end surface of the bushing and the limit plate is discharged from the gap between the adjacent two dot-shaped protrusions, thereby enabling noise reduction.

It should be noted that, in each of the above embodiments, when there is a situation where the axial stiffness is reduced, the reduced portion is smaller than the improved portion of the axial stiffness, that is, a part of the improved axial stiffness is offset, so that the axial stiffness of the bushing as a whole is still improved to ensure good operability of the vehicle.

Based on the same inventive concept, an embodiment of the present invention provides a vehicle 100, as shown in fig. 2, 3, 6 and 7, the vehicle 100 includes: a vehicle body 30, a subframe 20 and the bushing assembly 10 described above.

In the present embodiment, by fitting the bush assembly 10 in the above description to the vehicle 100, it is possible to enhance the rigidity of the bush (first end face side) in the axial direction.

In one embodiment of the present invention, referring to fig. 7, the first position 310 of the body 30 has a concave portion that fits the first end surface 111 side of the bushing 110.

Specifically, the first position 310 of the vehicle body 30 in the above description has a recess that fits the first end surface 111 side of the bush 110, that is, the shape at the first position 310 of the vehicle body 30 is the same as the shape at the first end surface 111 side of the bush 110, so that the first end surface side of the bush abuts against the first position of the vehicle body, and can be brought into full contact with the first position, and the rigidity in the bush axial direction is further improved.

It should be noted that the embodiment of the present invention provides a bushing assembly in a vehicle similar to the above-mentioned embodiment of the bushing assembly, which has similar advantages to the above-mentioned embodiment of the bushing assembly. For the technical details not disclosed in the embodiment of the present invention, please refer to the description of the embodiment of the bushing assembly in the present invention for understanding, and the description thereof is omitted here.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In addition, in the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and 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 therefore, should not be construed as limiting the present invention.

In addition, in the present invention, unless otherwise explicitly specified or limited, the terms "connected", and the like are to be construed broadly, and may be, for example, a mechanical connection or an electrical connection; the term "connected" refers to a direct connection or an indirect connection through an intermediate medium, and refers to a connection between two elements or an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the present invention is understood by those skilled in the art according to specific situations.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A bushing assembly, comprising at least:

the bushing is provided with a first end face and a second end face which are opposite to each other, the bushing is arranged in a bushing hole position formed in the auxiliary frame in a penetrating mode, the first end face of the bushing extends out of one side of the bushing hole position, and the second end face of the bushing extends out of the other side of the bushing hole position;

wherein the first end surface of the bushing abuts a first position of the vehicle body, the first position being a position on the vehicle body facing the first end surface of the bushing.

2. The bushing assembly of claim 1, further comprising:

the limiting plate is connected with a second position of the vehicle body, the second position is a position on the other side, close to the bushing hole position, of the vehicle body, and at least part of the limiting plate is abutted to a second end face of the bushing;

wherein the bushing is restrained between the restraining plate and the first position of the vehicle body.

3. The bushing assembly of claim 2,

the limiting plate is provided with a fixing part and a limiting part connected with the fixing part, the fixing part is connected with the second position of the vehicle body, the limiting part is provided with an abutting surface matched with the second end surface of the bushing, and the abutting surface of the limiting part abuts against the second end surface of the bushing;

the fixing part extends from one end connected with the limiting part to one side of the limiting part close to the bushing, and an obtuse angle or a right angle is formed between the fixing part and the limiting part.

4. The bushing assembly of claim 2, further comprising:

the connecting piece sequentially penetrates through the limiting plate and the bushing and is connected with the first position of the vehicle body.

5. The bushing assembly of any of claims 1-4,

the bushing includes: the first bushing is sleeved at one end of the second bushing;

the surface of the first bushing, which faces away from the second bushing, is a first end face of the bushing, and the surface of the second bushing, which faces away from the first bushing, is a second end face of the bushing.

6. The bushing assembly of claim 5,

the end of the second bushing, which is connected with the first bushing, is provided with an annular concave part, the annular concave part divides the end of the second bushing, which is connected with the first bushing, into an outer bushing and an inner bushing which are spaced from each other, and the length of the outer bushing is smaller than that of the inner bushing;

the first bushing is sleeved on the inner bushing, the surface of the first bushing, which is close to the second bushing, abuts against the auxiliary frame on one side of the bushing hole, the outer side, which is far away from one end of the first bushing, of the second bushing radially extends to form an extending part, and the surface of the extending part, which is close to the first bushing, abuts against the auxiliary frame on the other side of the bushing hole.

7. The bushing assembly of claim 5,

the first end surface of the first bushing is provided with at least 2 first buffer convex parts, and the at least 2 first buffer convex parts are arranged on the first end surface of the first bushing at intervals;

the second end face of the second bushing is provided with at least 2 second buffer convex parts, and the at least 2 second buffer convex parts are arranged on the second end face of the second bushing at intervals.

8. The bushing assembly of any of claims 1-4,

the first end surface and the second end surface are provided with a plurality of point-shaped protrusions which are arranged at intervals.

9. A vehicle, characterized by comprising:

a vehicle body, a subframe and a bushing assembly according to any of claims 1-8.

10. The vehicle of claim 9,

the first position of the vehicle body has a recess that fits the first end face side of the bushing.

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