CN215826837U - Rear suspension beam structure and vehicle - Google Patents

Abstract

The utility model discloses a rear suspension beam structure which comprises two rear suspension brackets and a rear suspension cross beam which are oppositely arranged. Every back suspension support includes the support body and sets up the shock absorber support on the support body, offers the fixed orifices that is used for installing the hydraulic pressure lock on the support body, and back suspension crossbeam connects between two back suspension supports. The rear suspension beam structure is integrally arched, and a plurality of mounting hole sites are formed in the rear suspension beam and the rear suspension support. When the rear suspension beam structure is used, the rear suspension beam structure simultaneously provides the fixing support and the fixing hole of the shock absorber and the hydraulic lock, the hydraulic lock and the shock absorber are fixed on the rear suspension support, the functions of integral bearing, shock absorption and the like are realized, other parts or auxiliary parts of a vehicle are supported, installed or connected, the functions of being richer in expansion can be realized, the number of components is small, the structure is simple, and the assembly is very easy. The utility model also discloses a vehicle which comprises a frame and the rear suspension beam structure arranged on the frame.

Description

Rear suspension beam structure and vehicle

Technical Field

The utility model relates to the technical field of vehicle structures, in particular to a rear suspension beam structure and a vehicle.

Background

With the development of vehicle technology and the pursuit of vehicle comfort, vehicle suspension systems have emerged that are connected between the vehicle frame and the cab, allowing some relative movement between the vehicle frame and the cab to act as a cushion. Among them, the rear suspension beam is one of important parts in the vehicle suspension system.

However, although the conventional rear suspension beam has a large volume, the conventional rear suspension beam generally has a single function, and the rear suspension beam capable of realizing a complicated function has the problems of complicated structure and difficulty in assembly.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a rear suspension beam structure that supports multi-functional expansion and has a simple structure.

It is also necessary to provide a vehicle mounted with the above rear suspension beam structure.

A rear suspension beam structure comprising:

the shock absorber comprises two oppositely arranged rear suspension brackets, wherein each rear suspension bracket comprises a bracket body and a shock absorber bracket arranged on the bracket body; the frame body is provided with a fixing hole for mounting a hydraulic lock; and

the rear suspension cross beam is connected between the two rear suspension brackets through two ends;

the rear suspension beam structure is integrally arched, and a plurality of mounting hole sites are formed in the rear suspension beam and the rear suspension support.

When the rear suspension beam structure is installed and used, the hydraulic lock is fixed on the rear suspension support through the bolt and the fixing hole, the lower lifting lug of the shock absorber is installed on the shock absorber support and fixed on the rear suspension support, and the upper lifting lug is connected with one end, far away from the rear suspension support, of the hydraulic lock. The rear suspension beam structure simultaneously provides a fixed support and a fixed hole of the shock absorber and the hydraulic lock, so that the functions of integral bearing, shock absorption and the like are realized, other parts or accessory parts of a vehicle are supported, installed or connected, more abundant functions can be realized and expanded, the number of components is small, the structure is simple, and the assembly is very easy.

In one embodiment, the rear suspension bracket and the rear suspension cross member are partially overlapped at the joint.

In one embodiment, the cross section of the rear suspension cross beam and the rear suspension bracket is in a U shape with the convex surface facing the frame.

In one embodiment, the plurality of mounting hole locations include a plurality of first mounting hole locations and a plurality of second mounting hole locations, the plurality of first mounting hole locations are arranged at the bottom and/or the side of the rear suspension bracket, and the plurality of second mounting hole locations are arranged at the bottom and/or the side of the rear suspension cross beam at equal intervals.

In one embodiment, the rear suspension beam structure includes a height valve bracket fixed at the mounting hole on the side of the rear suspension bracket.

In one embodiment, one end of the rear suspension bracket, which is far away from the connection part with the rear suspension cross beam, is bent, a horizontal mounting surface and a vertical mounting surface are formed at the bent part, and the shock absorber bracket is simultaneously fixed on the horizontal mounting surface and the vertical mounting surface through at least two fixing points.

In one embodiment, the rear suspension bracket is gradually widened along a direction pointing to the other end of the connecting end of the rear suspension cross beam, and is provided with a notch structure, the axes of which are overlapped with each other and gradually widened along the same direction.

A vehicle includes a frame and the above-described rear suspension beam structure mounted on the frame.

In one embodiment, the vehicle further comprises a trailer harness assembly and a connecting plate, the rear suspension bracket and the rear suspension cross beam are partially overlapped and overlapped at the connecting position, and the trailer harness assembly is installed at the installation hole position of the side overlapping part of the rear suspension bracket and the rear suspension cross beam through the connecting plate.

In one embodiment, the vehicle further comprises a pipeline bundle, the bottom surfaces of the rear suspension bracket and the rear suspension cross beam facing the frame are provided with pipeline installation positions, and the pipeline bundle is fixedly installed at the bottom of the rear suspension beam structure through the pipeline installation positions.

Drawings

FIG. 1 is a schematic structural diagram of a rear suspension beam structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the rear suspension beam structure of FIG. 1 and a shock absorber;

FIG. 3 is a schematic view of the rear suspension beam structure of FIG. 1 mounted to a vehicle frame;

FIG. 4 is a schematic structural view of the rear suspension beam structure and the trailer line assembly shown in FIG. 1;

fig. 5 is a schematic diagram of the rear suspension beam structure and the pipe harness structure shown in fig. 1.

100. A rear suspension beam structure; 10. a rear suspension cross beam; 20. a rear suspension bracket; 21. a frame body; 211. a fixing hole; 22. a shock absorber support; 23. a altitude valve support; 24. binding a belt; 30. mounting hole sites; 31. a first mounting hole site; 32 second mounting hole locations; 40. hydraulic locking; 50. a shock absorber; 60. a trailer wiring harness assembly; 61. a connecting plate; 70. a line bundle; 80. a frame; 81. a lower bracket; 90. a height valve.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, 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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram illustrating a rear suspension beam structure 100 according to an embodiment of the present invention, fig. 2 is a schematic structural diagram illustrating a portion of the rear suspension beam structure 100 shown in fig. 1, and fig. 3 is a schematic structural diagram illustrating the rear suspension beam structure 100 shown in fig. 1 mounted on a vehicle frame 80. An embodiment of the present invention provides a rear suspension beam structure 100, which includes two rear suspension brackets 20 and a rear suspension cross beam 10 disposed oppositely. Each rear suspension bracket 20 comprises a bracket body 21 and a shock absorber bracket 22 arranged on the bracket body 21, a fixing hole 211 used for installing a hydraulic lock is formed in the bracket body 21, and the rear suspension cross beam 10 is connected between the two rear suspension brackets 20. The rear suspension beam structure 100 is overall arched, a plurality of mounting holes 30 are formed in the rear suspension cross beam 10 and the rear suspension bracket 20, and the mounting holes 30 are used for mounting or connecting other parts or accessory parts of the vehicle.

When the rear suspension beam structure 100 is installed and used, the hydraulic lock 40 is fixed to the rear suspension bracket 20 through the bolt and the fixing hole 211, the lower lifting lug of the shock absorber 50 is installed on the shock absorber bracket 22 and fixed to the rear suspension bracket 20, and the upper lifting lug is connected to one end of the hydraulic lock 40, which is far away from the rear suspension bracket 20. The rear suspension beam structure 100 provides the fixing supports and the fixing holes 211 of the shock absorber 50 and the hydraulic lock 40 at the same time, so that the functions of integral bearing, shock absorption and the like are realized, other parts or accessory parts of the vehicle are supported and installed or connected, more abundant functions can be realized and expanded, the number of components is small, the structure is simple, and the assembly is very easy.

Further, the rear suspension bracket 20 and the rear suspension cross beam 10 are partially overlapped at the connection position, so that the rear suspension bracket 20 and the rear suspension cross beam 10 can be conveniently connected. The overlapping may be an overlapping relationship in which one is located above and the other is located below, or an overlapping relationship in which one is provided with a groove at the connection end portion and the other is inserted into the groove or provided with a protrusion inserted into the groove at the connection end portion. In this embodiment, the rear suspension bracket 20 overlaps the rear suspension cross member 10, the rear suspension cross member 10 is located above, the rear suspension bracket 20 is located below, and the overlapping portion is fixed by bolts. The rear suspension cross beam 10 can be stably connected between the two rear suspension brackets 20 by overlapping, bolting, and the like.

In some embodiments, the rear suspension cross member 10 and the rear suspension bracket 20 are "U" shaped in cross section with the convex surface facing the frame 80. The U-shaped cross-section structure provides sufficient mechanical strength to the rear suspension beam structure 100 while also providing a very light weight. In this embodiment, two sides of the "U" shaped structure are turned outwards, and the rear suspension cross beam 10 and the rear suspension bracket 20 are made by stamping process, so that the production efficiency is high. It is understood that other manufacturing processes, such as casting, forging, etc., may be used, and are not specifically limited herein. In other embodiments, the rear suspension cross member 10 may be a tubular beam structure, and the connecting ends of the respective rear suspension brackets 20 are configured to receive the ends of the tubular beam.

Specifically, the rear suspension bracket 20 is gradually widened along the direction toward the other end at the connection end with the rear suspension cross beam 10, and is provided with a notch structure with axes coinciding with each other and gradually widened along the same direction. The design that back suspension support 20 gradually widens can satisfy the requirement of installation other devices in space, and it has the breach structure to keep certain lightweight and have certain structure reinforcing effect when gradually widening the design.

Further, one end of the rear suspension bracket 20, which is far away from the connection with the rear suspension cross beam 10, is bent and forms a horizontal mounting surface and a vertical mounting surface at the bent position, and the shock absorber bracket 22 is fixed on the horizontal mounting surface and the vertical mounting surface through at least two fixing points, so that the shock absorber bracket 22 can be stably mounted on the rear suspension bracket 20, and the shock absorber 50 can be stably mounted. In this embodiment, the main body of the shock absorber support 22 is in a "U" shape, and left and right fixing pieces are provided on both sides of the "U" shape, the "U" shape is used to connect and fix the lower lifting lug of the shock absorber 50, the "U" shape is fixed on the vertical mounting surface by bolts, and the two fixing pieces are fixed on the horizontal mounting surface by bolts, so that the shock absorber support 22 is fixed on the horizontal mounting surface and the vertical mounting surface at the same time. It is understood that other fixing methods, such as welding, screwing, etc., may be adopted for the damper bracket 22 and the horizontal and vertical mounting surfaces, and the fixing of the damper bracket 22 and the horizontal and vertical mounting surfaces is only required to be achieved, and is not particularly limited herein.

In some embodiments, the plurality of mounting hole locations 30 includes a plurality of first mounting hole locations 31 and a plurality of second mounting hole locations 32, the plurality of first mounting hole locations 31 are disposed at the bottom and/or the side of the rear suspension bracket 20, and the plurality of second mounting hole locations 32 are disposed at the bottom and/or the side of the rear suspension cross member 10 at equal intervals. Mounting holes 30 are formed in the bottom and the side surfaces as required to facilitate mounting or connection of other vehicle components or accessories suitable for different positions. The space of the rear suspension cross beam 10 is relatively more limited, the second mounting hole sites 32 are arranged at equal intervals, so that the limited space can be fully utilized, and the second mounting hole sites 32 arranged at equal intervals on parts needing to be mounted at multiple hole sites can also ensure that more uniform stress is provided.

Further, a height valve bracket 23 is arranged on the rear suspension bracket 20, and the height valve bracket 23 is fixed on the mounting hole position 30 on the side surface of the rear suspension bracket 20. The altitude valve 90 is mounted on the altitude valve bracket 23 and ensures that the altitude valve 90 is in the correct mounting position to control the altitude of the shock absorber 50. In this embodiment, the height valve bracket 23 is bolted to the rear suspension bracket 20 through bolt holes formed therein.

Referring to fig. 3 to 5, an embodiment of the present invention further provides a vehicle, including a frame 80 and the rear suspension beam structure 100 mounted on the frame 80. The lower bottom surface of one side of the rear suspension bracket 20, which is far away from the rear suspension cross beam 10, is connected with the upper surface of the lower bracket 81 on the vehicle frame, and the rear suspension beam structure 100 is connected and fixed with the vehicle frame 80 through bolts, so that a closed frame structure is formed, the rigidity of the vehicle frame 80 is increased, the torsion resistance and bending deformation resistance of the vehicle frame 80 are improved, and the reliability is also enhanced.

Further, the vehicle further comprises a trailer harness assembly 60 and a connecting plate 61, wherein the rear suspension bracket 20 and the rear suspension cross beam 10 are partially overlapped and overlapped at the connecting position. The trailer harness assembly 60 is mounted at the mounting hole 30 of the side overlapping part of the rear suspension bracket 20 and the rear suspension cross beam 10 through the connecting plate 61, and the connecting plate 61, the rear suspension bracket 20 and the rear suspension cross beam 10 are fixed together through bolts in the embodiment. The arrangement of the trailer wire harness assembly 60 is beautiful and firm, and the reliability is improved. Such mounting and securing not only provides a good mounting location and stable mounting connection for the trailer harness assembly 60, but also further strengthens the connection between the rear suspension bracket 20 and the rear suspension cross member 10.

Further, the vehicle further includes a pipe harness 70, and the bottom surfaces of the rear suspension bracket 20 and the rear suspension cross member 10 facing the frame 80 are provided with pipe installation sites, and the pipe harness 70 is installed and fixed at the bottom of the rear suspension beam structure 100 through the pipe installation sites. In this embodiment, a plurality of through holes are formed as the installation locations, and a plurality of straps 24 pass through the through holes to fix the pipe bundle 70, preferably, the through holes are formed at uniform distances, so that the fixed pipe bundle 70 is stressed more uniformly and the fixing effect is better. It is understood that in other embodiments, a plurality of threading holes may be formed at the bottom of the rear suspension bracket 20 and the rear suspension cross member 10, and the pipe line bundle 70 may be fixed through the threading holes. The pipe line bundle 70 is fixed at the bottom of the rear suspension bracket 20 and the rear suspension cross beam 10, so that the pipe line bundle 70 is beautiful, reasonable and firm in arrangement, the abrasion of the pipe line bundle 70 is reduced, and the reliability is improved.

When the rear suspension beam structure 100 is installed and used, the hydraulic lock 40 is fixed to the rear suspension bracket 20 through the bolt and the fixing hole 211, the lower lifting lug of the shock absorber 50 is installed on the shock absorber bracket 22 and fixed to the rear suspension bracket 20, and the upper lifting lug is connected to one end of the hydraulic lock 40, which is far away from the rear suspension bracket 20. The rear suspension beam structure 100 provides the fixing supports and the fixing holes 211 of the shock absorber 50 and the hydraulic lock 40 at the same time, so that the functions of integral bearing, shock absorption and the like are realized, other parts or accessory parts of the vehicle are supported and installed or connected, more abundant functions can be realized and expanded, the number of components is small, the structure is simple, and the assembly is very easy. The vehicle includes a frame 80, the rear suspension beam structure 100 mounted to the frame 80, a trailer harness assembly 60, and a line harness 70. The lower bottom surface of one side of the rear suspension bracket 20, which is far away from the rear suspension cross beam 10, is connected with the upper surface of the lower bracket 81, and the rear suspension beam structure 100 is connected and fixed with the vehicle frame 80 through bolts, so that a closed frame structure is formed, the rigidity of the vehicle frame 80 is increased, the torsion resistance and the bending deformation resistance of the vehicle frame 80 are improved, and the reliability is also enhanced. The rear suspension beam structure 100 simultaneously fixes the shock absorber 50, the hydraulic lock 40 and the altitude valve 90 and fixes the pipe bundle 70 and the trailer bundle assembly 60, thereby realizing multiple functions of bearing, absorbing shock, adjusting the height of the shock absorber 50, fixing the pipe bundle 70 and the trailer bundle assembly 60 and the like.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A rear suspension beam structure, characterized in that it comprises:

the shock absorber comprises two oppositely arranged rear suspension brackets, wherein each rear suspension bracket comprises a bracket body and a shock absorber bracket arranged on the bracket body; the frame body is provided with a fixing hole for mounting a hydraulic lock; and

the rear suspension cross beam is connected between the two rear suspension brackets through two ends;

the rear suspension beam structure is integrally arched, and a plurality of mounting hole sites are formed in the rear suspension beam and the rear suspension support.

2. The rear suspension beam structure of claim 1, wherein the rear suspension bracket is partially overlap lapped with the rear suspension cross beam at a junction.

3. A rear suspension beam structure according to claim 1 or 2, characterized in that the rear suspension cross beam and the rear suspension bracket are "U" shaped with the convex surface facing the frame in cross section.

4. The rear suspension beam structure according to claim 1, wherein the plurality of mounting holes include a plurality of first mounting holes and a plurality of second mounting holes, the plurality of first mounting holes are provided at the bottom and/or the side of the rear suspension bracket, and the plurality of second mounting holes are provided at the bottom and/or the side of the rear suspension cross beam at equal intervals.

5. The rear suspension beam structure of claim 4, wherein the rear suspension beam structure includes a height valve bracket fixed at the mounting hole on the side of the rear suspension bracket.

6. The rear suspension beam structure according to claim 1, wherein an end of the rear suspension bracket remote from a connection with the rear suspension cross beam is bent and forms a horizontal mounting surface and a vertical mounting surface at the bent portion, and the damper bracket is fixed to both the horizontal mounting surface and the vertical mounting surface by at least two fixing points.

7. The rear suspension girder structure of claim 1, wherein the rear suspension bracket is gradually widened in a direction toward the other end from the end where the rear suspension beam is connected, and is provided with a gap structure having axes coincident with each other and gradually widened in the same direction.

8. A vehicle comprising a frame and a rear suspension beam structure mounted on said frame, said rear suspension beam structure being as claimed in any one of claims 1 to 7.

9. The vehicle of claim 8, further comprising a trailer harness assembly and a connector plate, wherein the rear suspension bracket and the rear suspension cross member are partially overlapped at the connection position, and the trailer harness assembly is mounted at the mounting hole position of the side overlapping part of the rear suspension bracket and the rear suspension cross member through the connector plate.

10. The vehicle of claim 8, further comprising a pipeline harness, wherein the bottom surfaces of the rear suspension brackets and the rear suspension cross beam facing the frame are provided with pipeline installation positions, and the pipeline harness is fixedly installed at the bottom of the rear suspension beam structure through the pipeline installation positions.

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