CN220281516U - Rear suspension bracket and automobile - Google Patents

Abstract

The application relates to a rear suspension support and car, rear suspension support includes: the buffer bracket, the supporting part and the fixing column; the buffer bracket is of a hollow cylinder sleeve-shaped structure; the buffer bracket is configured to support a buffer nested on an inner wall of the buffer bracket; the first end of the supporting part is connected with the outer wall of the buffer bracket, and the second end of the supporting part extends in an L shape from the outer wall of the buffer bracket; the support part is provided with a fixed hole group which is configured to assemble the rear suspension bracket with the ECU bracket, the expansion water tank and the mudguard bracket; the fixed column is configured for assembly of the rear suspension bracket with the frame; the fixed column is connected with the second end of the supporting part, and the axial direction of the fixed column is perpendicular to the axial direction of the buffer bracket. The back suspension support that provides in this application still can provide the support for the bolster when providing the support for the suspension to the configuration can carry out the fixed point position of assembly with multiple spare part on the whole car, whole back suspension support rational in infrastructure, simple structure.

Description

Rear suspension bracket and automobile

Technical Field

The application relates to the technical field of automobile manufacturing, in particular to a rear suspension bracket for a light truck and an automobile.

Background

In recent years, national regulations and markets further strictly limit the weight, emission standard and fuel standard of the whole automobile, so that each mainstream automobile enterprise further improves the emission standard and reduces the fuel consumption, the light weight of the automobile plays a key role in automobile emission and improving the fuel economy of the whole automobile, the light weight design of parts can reduce the tail gas emission of the whole automobile, and the whole automobile can be directly supported to meet the weight limitation and requirement of the national regulations. Meanwhile, with the development of intelligent electronic of automobiles, the whole automobile is required to integrate more and more parts, pipelines and the like, and the integration trend is more and more obvious.

The cab suspension function of the light truck is to support the cab through the front suspension bracket and the rear suspension bracket which are connected with the frame and the cab body, the function of buffering vibration is achieved through the elastic element and the shock absorber, and the vibration is attenuated through the elastic element in the structure.

At present, a rear suspension bracket usually adopts cast iron or a steel plate stamping part, and the rear suspension bracket is not beneficial to the light weight of the whole vehicle; and few fixed points of other whole vehicle parts are integrated, so that the requirement of whole vehicle integration is difficult to meet.

Disclosure of Invention

Based on this, it is necessary to provide a rear suspension bracket and an automobile for the problem that the rear suspension bracket has a large weight and cannot provide an integrated interface for the whole vehicle multi-component.

An aspect of the present application provides a rear suspension bracket, comprising:

the buffer bracket is of a hollow cylindrical sleeve-shaped structure; the buffer bracket is configured to support a buffer nested on an inner wall of the buffer bracket;

the first end of the supporting part is connected with the outer wall of the buffer bracket, and the second end of the supporting part extends in an L shape from the outer wall of the buffer bracket; the support part is provided with a fixed hole group, and the fixed hole group is configured to be assembled with the ECU bracket, the expansion water tank and the mudguard bracket; and

a fixed column configured to assemble the rear suspension bracket with a vehicle frame; the fixed column is connected with the second end of the supporting part, and the axial direction of the fixed column is perpendicular to the axial direction of the buffer support.

In one embodiment, a cross-sectional shape of the first end of the supporting portion opposite to the buffer bracket is H-shaped, and the supporting portion includes:

the first end of the first supporting plate is connected with the buffer bracket along the tangential direction of one side of the outer wall of the buffer bracket, the second end of the first supporting plate extends in an L shape from the outer wall of the buffer bracket, and the second end of the first supporting plate is connected with the fixed column;

the first end of the second supporting plate is connected with the buffer bracket along a tangential direction opposite to one side of the outer wall of the buffer bracket, the second end of the second supporting plate extends in an L shape from the outer wall of the buffer bracket, and the second end of the second supporting plate is connected with the fixed column; and

the third backup pad sets up in the enclosing area of the outer wall of first backup pad, second backup pad, buffer bracket and the outer wall of fixed column, just the edge of third backup pad respectively with the outer wall of first backup pad, second backup pad, buffer bracket and the outer wall of fixed column link to each other.

In one embodiment, the fixing hole group includes:

the first fixing hole is formed in the first supporting plate; the first fixing hole is configured to be assembled with the rear suspension bracket and the fender bracket;

the second fixing hole is formed in the second supporting plate; the second fixing hole is configured as an assembly of the rear suspension bracket and an expansion tank;

the third fixing hole is formed in the third supporting plate; the third fixing hole is configured as an assembly of the rear suspension bracket and the ECU bracket; and

the fourth fixing hole is formed in the third supporting plate; the fourth fixing hole is configured for assembly of the rear suspension bracket with the fender bracket.

In one embodiment, the method further comprises:

the fixed seat is embedded at one end, close to the fixed column, of the supporting part; the axial direction of the fixed seat is parallel to the axial direction of the fixed column; the fixing seat is configured for assembly of the rear suspension bracket with the frame.

In one embodiment, the fixing base includes at least a plurality of fixing base holes, and the plurality of fixing base holes are linearly distributed along a direction perpendicular to an axial direction of the fixing base.

In one embodiment, the method further comprises:

the first mounting plate is connected with the first supporting plate; a fifth fixing hole is formed in the first mounting plate and is configured to be used for assembling the rear suspension bracket and the air inlet channel;

the second mounting plate is connected with one end, close to the buffer bracket, of the second support plate; the second mounting plate is provided with a sixth fixing hole configured to be assembled with the ECU bracket, a seventh fixing hole configured to be assembled with the rear suspension bracket and the pipeline bracket, and an eighth fixing hole configured to be assembled with the expansion water tank.

In one embodiment, a ninth fixing hole configured to be assembled with the fender bracket is formed in the outer wall of the buffer bracket.

In one embodiment, the cushioning member is in an interference fit with an inner wall of the cushioning bracket.

In one embodiment, the rear suspension bracket is an integral casting; the rear suspension bracket is made of any one of aluminum alloy, titanium alloy and magnesium alloy.

Another aspect of the present application provides an automobile, comprising: a rear suspension bracket as hereinbefore described.

The rear suspension bracket provided in the application can also provide support for the buffer piece when providing support for suspension, and can be configured with the fixed point position that multiple spare part assembled on the whole car, and whole rear suspension bracket is rational in infrastructure, provides the simple structure that can satisfy the diversified operation requirement.

Drawings

FIG. 1 is a schematic view showing the structure of a rear suspension bracket at an angle in an embodiment of the present application;

fig. 2 is a schematic view showing another angle of the rear suspension bracket according to an embodiment of the present application.

Reference numerals:

100-buffer rack;

110-ninth fixing holes;

120-chamfering;

200-supporting parts;

210-a first support plate;

211-a first fixing hole;

220-a second support plate;

221-a second fixing hole;

230-a third support plate;

231-third fixing hole;

232-fourth fixing holes;

300-fixing the column;

400-fixing seat;

410-fixing seat holes;

500-a first mounting plate;

510-a fifth fixing hole;

600-a second mounting plate;

610-sixth fixation hole;

620-seventh fixation hole;

630-eighth fixing holes;

640-reinforcing ribs.

Detailed Description

In order to make the above objects, features and advantages of the present application more 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 application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" 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 are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a rear suspension bracket at one angle in an embodiment of the present application, and fig. 2 is a schematic structural view of a rear suspension bracket at another angle in an embodiment of the present application. An embodiment of the present application provides a rear suspension bracket, including: the buffer bracket 100, the supporting part 200, and the fixing post 300. The buffer bracket 100 is a hollow cylinder sleeve-shaped structure; the buffer bracket 100 is configured to support a buffer nested on an inner wall of the buffer bracket 100; the first end of the supporting part 200 is connected with the outer wall of the buffer bracket 100, and the second end of the supporting part 200 extends in an L shape from the outer wall of the buffer bracket 100; the support part 200 is provided with a fixed hole group which is configured to assemble the rear suspension bracket with the ECU bracket, the expansion water tank and the mudguard bracket; the fixed column 300 is configured for assembly of the rear suspension bracket with the frame; the fixing post 300 is connected to the second end of the supporting portion 200, and an axial direction of the fixing post 300 is perpendicular to an axial direction of the buffer bracket 100.

The rear suspension support provided in the embodiment can also provide support for the buffer piece while providing support for the suspension, and is provided with fixed point positions which can be assembled with various parts on the whole vehicle, and the whole rear suspension support is reasonable in structure and provides a simplified structure which can meet diversified use requirements.

The tensile strength of the rear suspension bracket provided by the embodiment is greater than 310MPa, and the yield strength is greater than 260MPa.

The supporting portion 200 according to the present embodiment will be specifically described below. The support portion 200 includes: the first support plate 210, the second support plate 220, and the third support plate 230, wherein the first support plate 210 and the second support plate 220 are disposed opposite to each other, the third support plate 230 is disposed vertically between the first support plate 210 and the second support plate 220, and the edge of the third support plate 230 is connected to the first support plate 210 and the second support plate 220 such that the cross-sectional shape of the first end of the support portion 200 opposite to the buffer bracket 100 is H-shaped, and it is understood that the cross-sectional shape of the second end of the support portion 200 opposite to the fixing post 300 is also H-shaped.

The first end of the first support plate 210 is connected to the buffer bracket 100 along a tangential direction of one side of the outer wall of the buffer bracket 100 (lower side of the outer wall as shown in the drawing), the second end of the first support plate 210 extends in an L-shape from the outer wall of the buffer bracket 100, and the second end of the first support plate 210 extends downward in an L-shape from the outer wall of the buffer bracket 100 as shown in the drawing, and the second end of the first support plate 210 is connected to the fixing post 300. The first end of the second support plate 220 is connected to the buffer bracket 100 in a tangential direction opposite to the other side of the outer wall of the buffer bracket 100 (upper side of the outer wall as shown in the drawing), the second end of the second support plate 220 extends in an L-shape from the outer wall of the buffer bracket 100, and the second end of the second support plate 220 extends downward in an L-shape from the outer wall of the buffer bracket 100 as shown in the drawing with reference to the drawing, and the second end of the second support plate 220 is connected to the fixing post 300. The third support plate 230 is disposed in the enclosed region of the outer walls of the first support plate 210, the second support plate 220, the buffer bracket 100 and the outer walls of the fixing column 300, and the edges of the third support plate 230 are respectively connected with the outer walls of the first support plate 210, the second support plate 220, the buffer bracket 100 and the outer walls of the fixing column 300.

The thicknesses of the first support plate 210, the second support plate 220, and the third support plate 230 of the support portion 200 may be 5 to 7mm, and preferably may be 6mm.

The fixing hole set formed in the supporting portion 200 will be described in detail further below. The fixed orifices group includes: a first fixing hole 211, a second fixing hole 221, a third fixing hole 231, and a fourth fixing hole 232.

The first fixing hole 211 is formed on the first support plate 210 for assembling the rear suspension bracket and the fender bracket. The second fixing hole 221 is opened on the second support plate 220 for assembling the rear suspension bracket with the expansion tank. The third fixing hole 231 is opened on the third support plate 230 for assembly of the rear suspension bracket and the ECU bracket. The fourth fixing hole 232 is formed in the third support plate 230 for assembling the rear suspension bracket and the fender bracket.

In an embodiment of the present application, the support portion 200 is provided with a set of fixing holes, and a plurality of assembling holes that can be assembled with components (for example, an ECU bracket, an expansion tank, and a fender bracket) on the whole vehicle are integrated on the support portion 200.

In an embodiment of the present application, further includes: the holder 400. The fixing base 400 is used for assembling the rear suspension bracket with the frame. The fixing base 400 is embedded in one end of the supporting portion 200 near the fixing post 300, and is located between the first end of the supporting portion 200 and the second end of the supporting portion 200; the axial direction of the fixing base 400 is parallel to the axial direction of the fixing post 300.

Further, a plurality of fixing base holes 410 may be provided on the fixing base 400 for the assembly of the rear suspension bracket with the vehicle frame. The plurality of fixing base holes 410 are linearly distributed along a direction perpendicular to the axial direction of the fixing base 400.

In an embodiment of the present application, further includes: the first mounting plate 500 is used for increasing assembly hole sites which can be assembled with parts (such as an air inlet channel) on the whole vehicle. The first mounting plate 500 is connected to the first support plate 210; the first mounting plate 500 is provided with a fifth fixing hole 510 for assembling the rear suspension bracket with the air inlet duct.

Specifically, referring to the drawings, the edge of the first mounting plate 500 is connected to the plate surface of the first support plate 210 and extends downward to form the plate surface of the first mounting plate 500. The axial direction of the fifth fixing hole 510 opened on the first mounting plate 500 and the axial direction of the buffer bracket 100 are arranged in parallel to each other.

In an embodiment of the present application, further includes: the second mounting plate 600 is used for increasing assembly holes for assembly with parts (such as an ECU bracket, a pipeline bracket and an expansion tank) on the whole vehicle. The second mounting plate 600 is coupled to one end of the second support plate 220 near the buffer bracket 100. The second mounting plate 600 is provided with a sixth fixing hole 610 for assembling the rear suspension bracket with the ECU bracket, a seventh fixing hole 620 for assembling the rear suspension bracket with the pipe bracket, and an eighth fixing hole 630 for assembling the rear suspension bracket with the expansion tank, respectively.

Referring to fig. 2, a reinforcing rib 640 is provided at one side of the second mounting plate 600 to improve the load strength of the second mounting plate 600.

Specifically, referring to the drawings, the edge of the second mounting plate 600 is connected to the plate surface of the second support plate 220 and extends upward to form the body of the second mounting plate 600. The axes of the sixth, seventh and eighth fixing holes 610, 620 and 630 opened on the second mounting plate 600 are all arranged parallel to each other in the axial direction of the buffer bracket 100.

The shock mount 100 according to the present embodiment will be specifically described below. The outer wall of the buffer bracket 100 is provided with a ninth fixing hole 110 configured to be assembled with the rear suspension bracket and the fender bracket. Optionally, referring to the drawings, a fixing block is provided on the buffer bracket 100, and a ninth fixing hole 110 is provided on the fixing block to increase the depth of the ninth fixing hole 110, thereby improving the fixing strength and stability. Further, the number of the ninth fixing holes 110 formed in the fixing block is not limited, and may be 1 or 2 as shown in the drawings.

The buffer bracket 100 is used for supporting a buffer member of the suspension system, and the inner diameter size of the buffer bracket is matched with the outer diameter size of the buffer member, so that the buffer member is nested in the buffer bracket 100.

Optionally, the buffer member can be a rubber block of the suspension system, the rubber block is in a columnar structure, the inner diameter size of the buffer support is in interference fit with the outer diameter size of the rubber block, so that the buffer support is tightly matched with the buffer member of the suspension system, and the buffer member of the suspension system is prevented from falling off from the buffer support.

Optionally, a chamfer 120 is provided at the end of the inner bore of the buffer bracket 100 to facilitate assembly.

In one embodiment of the present application, the rear suspension brackets may be integrally cast. In order to meet the light weight requirement of the rear suspension bracket, the rear suspension bracket is made of any one of aluminum alloy, titanium alloy and magnesium alloy.

Specifically, the aluminum alloy material used for the rear suspension bracket is A356, the weight is less than 2kg, and the weight is reduced by more than 70% compared with the conventional cast iron rear suspension bracket; and the qualification rate of the castings can reach more than 90 percent; the safety coefficient with good strength can reach more than 2.3.

An embodiment of the present application further provides an automobile, including: the rear suspension bracket, the cushioning of the suspension system, the ECU bracket, the expansion tank, the fender bracket, the air intake duct, and the vehicle frame as described above.

Wherein the buffer of the suspension system is assembled and fixed with the buffer bracket 100 of the rear suspension bracket.

Wherein the ECU bracket is assembled and fixed with the third support plate 230 and the second mounting plate 600 on the rear suspension bracket. Specifically, the ECU bracket is assembled and fixed with the third fixing hole 231 and the sixth fixing hole 610 on the rear suspension bracket.

Wherein the expansion tank is assembled and fixed with the second support plate 220 and the second mounting plate 600 on the rear suspension bracket. Specifically, the expansion tank is assembled and fixed with the second fixing hole 221 and the eighth fixing hole 630 on the rear suspension bracket.

Wherein, the fender bracket is assembled and fixed with the first support plate 210 and the third support plate 230 on the rear suspension bracket. Specifically, the fender bracket is assembled and fixed with the first fixing hole 211 and the fourth fixing hole 232 on the rear suspension bracket.

Wherein, the air inlet channel is assembled and fixed with the first mounting plate 500 on the rear suspension bracket. Specifically, the air inlet duct is assembled and fixed with the fifth fixing hole 510 on the rear suspension bracket.

Wherein, the frame is assembled and fixed with the fixing column 300 and the fixing seat 400 on the rear suspension bracket.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. A rear suspension bracket, comprising:

the buffer bracket (100) is of a hollow cylindrical sleeve-shaped structure; the cushioning bracket (100) is configured to support cushioning members nested within an inner wall of the cushioning bracket (100);

the first end of the supporting part (200) is connected with the outer wall of the buffer bracket (100), and the second end of the supporting part (200) extends in an L shape from the outer wall of the buffer bracket (100); a fixed hole group is formed in the supporting part (200), and the fixed hole group is configured to be used for assembling the rear suspension bracket with the ECU bracket, the expansion water tank and the mud guard bracket; and

a fixed column (300) configured for assembly of the rear suspension bracket with a vehicle frame; the fixing column (300) is connected with the second end of the supporting part (200), and the axial direction of the fixing column (300) is perpendicular to the axial direction of the buffer bracket (100).

2. The rear suspension bracket according to claim 1, wherein a cross-sectional shape of a first end of the supporting portion (200) opposite to the buffer bracket (100) is H-shaped, the supporting portion (200) comprising:

the first end of the first supporting plate (210) is connected with the buffer bracket (100) along the tangential direction of one side of the outer wall of the buffer bracket (100), the second end of the first supporting plate (210) extends in an L shape from the outer wall of the buffer bracket (100), and the second end of the first supporting plate (210) is connected with the fixing column (300);

the first end of the second supporting plate (220) is connected with the buffer bracket (100) along a tangential direction opposite to one side of the outer wall of the buffer bracket (100), the second end of the second supporting plate (220) extends in an L shape from the outer wall of the buffer bracket (100), and the second end of the second supporting plate (220) is connected with the fixing column (300); and

the third backup pad (230) is arranged in the enclosing area of the outer walls of the first backup pad (210), the second backup pad (220), the buffer bracket (100) and the outer walls of the fixed columns (300), and the edge of the third backup pad (230) is respectively connected with the outer walls of the first backup pad (210), the second backup pad (220), the buffer bracket (100) and the outer walls of the fixed columns (300).

3. The rear suspension bracket of claim 2, wherein the set of securing holes comprises:

a first fixing hole (211) which is arranged on the first supporting plate (210); the first fixing hole (211) is configured for the assembly of the rear suspension bracket and the fender bracket;

a second fixing hole (221) which is arranged on the second supporting plate (220); the second fixing hole (221) is configured as an assembly of the rear suspension bracket with an expansion tank;

a third fixing hole (231) which is arranged on the third supporting plate (230); the third fixing hole (231) is configured as an assembly of the rear suspension bracket with the ECU bracket; and

a fourth fixing hole (232) which is arranged on the third supporting plate (230); the fourth fixing hole (232) is configured for assembly of the rear suspension bracket with the fender bracket.

4. The rear suspension bracket of claim 2, further comprising:

the fixed seat (400) is embedded at one end, close to the fixed column (300), of the supporting part (200); the axial direction of the fixed seat (400) is parallel to the axial direction of the fixed column (300); the fixing base (400) is configured for assembly of the rear suspension bracket with the frame.

5. The rear suspension bracket according to claim 4, wherein the fixing base (400) includes at least a plurality of fixing base holes (410), and the plurality of fixing base holes (410) are linearly distributed in a direction perpendicular to an axial direction of the fixing base (400).

6. The rear suspension bracket of claim 5, further comprising any one or more of:

a first mounting plate (500) connected to the first support plate (210); a fifth fixing hole (510) is formed in the first mounting plate (500), and the fifth fixing hole (510) is configured to be used for assembling the rear suspension bracket and the air inlet channel;

the second mounting plate (600) is connected with one end, close to the buffer bracket (100), of the second support plate (220); the second mounting plate (600) is provided with a sixth fixing hole (610) configured to be assembled with the ECU bracket, a seventh fixing hole (620) configured to be assembled with the rear suspension bracket and the pipeline bracket, and an eighth fixing hole (630) configured to be assembled with the expansion tank.

7. The rear suspension bracket according to claim 1, characterized in that an outer wall of the cushion bracket (100) is provided with a ninth fixing hole (110) configured to be assembled with a fender bracket.

8. The rear suspension bracket according to any of claims 1 to 7, wherein the bumper is an interference fit with an inner wall of the bumper bracket (100).

9. The rear suspension bracket of any one of claims 1-7, wherein the rear suspension bracket is an integral casting; the rear suspension bracket is made of any one of aluminum alloy, titanium alloy and magnesium alloy.

10. An automobile, comprising: a rear suspension bracket as defined in any one of claims 1 to 9.