CN212890627U

CN212890627U - Cab rear suspension support

Info

Publication number: CN212890627U
Application number: CN202021158552.2U
Authority: CN
Inventors: 宋学磊
Original assignee: Beijing Yuyuan Auto Parts Co ltd
Current assignee: Beijing Yuyuan Auto Parts Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-04-06
Anticipated expiration: 2030-06-19

Abstract

The application relates to a rear suspension bracket of a cab, which comprises a bracket main body and a fixing frame; the support main body is a square plate, the plate surface of the upper part of the support main body has a preset inclination angle, the middle part of the support main body is provided with a first through hole, and the support main body is suitable for being connected with a cab; the fixing frame is n-shaped as a whole, a transverse line part at the upper end of the fixing frame is connected with the support main body, the transverse line part at the upper end of the fixing frame is matched with vertical line parts at two sides to be suitable for being connected with a locking body on a cab, and a plurality of mounting holes are formed in the support main body and the fixing frame. Through the n-shaped fixing frame, the lock bodies are respectively fixed on the two side vertical line structures from the two sides of the upper lock body, so that the problem of stress concentration is further reduced while the support is ensured to have enough connection strength. After the structure optimization and the test of the existing support are carried out, the maximum stress value of the rear suspension support of the cab in the embodiment of the application is reduced from 354MPa to 173MPa, and the problem of stress concentration of the rear suspension support of the cab is greatly reduced.

Description

Cab rear suspension support

Technical Field

The application relates to the field of automobile assembling parts, in particular to a rear suspension support of a cab.

Background

Along with the development of the transportation industry, the requirements of users on the comfort and the reliability of automobiles are higher and higher, the requirements on a suspension mechanism of a cab are also higher, the maximum stress value of the existing cab rear suspension bracket is larger, and the problem of stress concentration of the cab rear suspension bracket is further reduced.

Disclosure of Invention

In view of this, the present application provides a rear suspension bracket for a cab, which includes a bracket main body and a fixing frame; the support main body is a square plate, the plate surface of the upper part of the support main body of the square plate has a preset inclination angle, the middle part of the support main body is provided with a first through hole, and the support main body is suitable for being connected with a cab; the fixing frame is overall n-shaped, a transverse line part at the upper end of the fixing frame is connected with the support main body, the transverse line part at the upper end of the fixing frame is matched with vertical line parts at two sides of the fixing frame and is suitable for being connected with a locking body on a cab, and the support main body and the fixing frame are provided with a plurality of mounting holes.

In a possible implementation manner, the fixing frame comprises a connecting plate, a first clamping plate and a second clamping plate, which respectively correspond to an upper end transverse line part in an n shape, a vertical line part on one side and a vertical line part on the other side; the first clamping plate and the bracket main body are positioned in the same plane; the distance between the first clamping plate and the second clamping plate is larger than the width of the lock body on the cab.

In one possible implementation, the first clamping plate and the second clamping plate are parallel, and the outer structures of the first clamping plate and the second clamping plate are the same.

In a possible implementation manner, a groove is formed in the first clamping plate, the depth of the groove is greater than the thickness of the first clamping plate, and the mounting hole is formed in the groove.

In a possible implementation manner, a second through hole is arranged on the second clamping plate, the position of the second through hole corresponds to the position of the groove, and the size and the shape of the second through hole are consistent with those of the bottom of the groove.

In a possible implementation manner, the bracket main body is surrounded by an extension adjacent to the outer side of the plate surface of the second clamping plate, and the extension is connected with and extends to the connecting plate and the second clamping plate.

In one possible implementation, the upper width of the bracket body of the square plate is greater than the lower width of the bracket body.

In one possible implementation manner, the orthographic projection of the rear cab suspension bracket is in an inverted rounded triangle shape, and each corner of the rear cab suspension bracket of the rounded triangle is an acute angle.

In a possible implementation manner, two sets of round holes are arranged at corresponding positions of the lower portions of the first clamping plate and the second clamping plate, and the two sets of round holes are different in size.

In a possible implementation mode, each joint of the rear suspension support of the cab is in arc connection, and a plurality of mounting holes are formed in the position, with an inclination angle, of the surface of the support main body, and the mounting holes are connected with the cab.

The utility model has the advantages that: through the mount of "pi" font, lock body is fixed respectively from the both sides of locking the body to the both sides vertical line structure in both sides, when guaranteeing that this support has sufficient joint strength, compares current driver's cabin rear suspension support, can further reduce stress concentration's problem. After the structure optimization and the test of the existing support are carried out, the maximum stress value of the rear suspension support of the cab in the embodiment of the application is reduced from 354MPa to 173MPa, and the problem of stress concentration of the rear suspension support of the cab is greatly reduced.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.

Fig. 1 is a perspective view showing a rear suspension bracket of a cab according to an embodiment of the present application;

FIG. 2 illustrates a side view of a rear cab suspension bracket according to an embodiment of the present application;

fig. 3 shows a front view of a rear suspension bracket of a cab according to an embodiment of the present application.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention or for simplicity in description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.

Fig. 1 is a perspective view showing a rear suspension bracket of a cab according to an embodiment of the present application; FIG. 2 illustrates a side view of a rear cab suspension bracket according to an embodiment of the present application; fig. 3 shows a front view of a rear suspension bracket of a cab according to an embodiment of the present application.

As shown in fig. 1 to 3, the cab rear suspension bracket includes: a bracket body 110 and a fixing bracket 120; the bracket main body 110 is a square plate, the plate surface of the upper part of the bracket main body 110 of the square plate has a preset inclination angle, the middle part of the bracket main body 110 is provided with a first through hole, and the bracket main body 110 is suitable for being connected with a cab; the fixing frame 120 is n-shaped as a whole, a transverse line part at the upper end of the fixing frame 120 is connected with the support main body 110, the transverse line part at the upper end of the fixing frame 120 is matched with vertical line parts at two sides and is suitable for being connected with a lock body on a cab, and a plurality of mounting holes are formed in the support main body 110 and the fixing frame 120.

Further, as shown in fig. 1 to fig. 3, the ratio of the fixing frame 120 to the bracket main body 110 is not specifically limited, and the bracket main body 110 and the fixing frame 120 with different ratios may be selected according to different heights of the cab, preferably, the ratio of the length of the bracket main body 110 to the length of the fixing frame 120 is 1: 1, and the problem of stress concentration is reduced to the maximum extent by relatively uniformly arranging the bracket main body 110 and the fixing frame 120 with the ratio of 1: 1 on the premise of ensuring that the material consumption is small, but it should be noted that, in order to ensure that the bracket main body 110 can be matched with the structure of the cab, the ratio of the bracket main body 110 to the fixing frame 120 with the length of 1: 1 may not be used for all types of vehicles, so the ratio cannot be more specifically limited.

In this embodiment, the rear suspension bracket for a cab according to the embodiment of the present invention is adapted to connect a cab to an upper lock body, and the lock bodies are fixed to both sides of the upper lock body by the n-shaped fixing frame 120, respectively, so that the bracket can further reduce stress concentration compared to the conventional rear suspension bracket for a cab while ensuring a certain connection strength. After the structure optimization and the test of the existing support are carried out, the maximum stress value of the rear suspension support of the cab in the embodiment of the application is reduced from 354MPa to 173MPa, and the problem of stress concentration of the rear suspension support of the cab is greatly reduced.

As shown in fig. 1 and 2, in one embodiment, the fixing frame 120 includes a connecting plate 123, a first clamping plate 121 and a second clamping plate 122; the first clamping plate 121 and the bracket main body 110 are positioned in the same plane; one end of the connecting plate 123 is perpendicular to the first clamping plate 121 and the bracket body 110, the other end of the connecting plate 123 is provided with a second clamping plate 122, the first clamping plate 121 and the second clamping plate 122 are arranged on the same side of the connecting plate 123, and the distance between the first clamping plate 121 and the second clamping plate 122 is greater than the width of the lock body on the cab.

As shown in fig. 2, in one embodiment, the first clamping plate 121 and the second clamping plate 122 are parallel, and the first clamping plate 121 and the second clamping plate 122 have the same external structure.

In one embodiment, the first clamping plate 121 is provided with a groove 1210, the depth of the groove 1210 is greater than the thickness of the first clamping plate 121, and the groove 1210 is provided with a mounting hole.

In one embodiment, the second clamping plate 122 is provided with a second through hole 1220, the position of the second through hole 1220 corresponds to the position of the groove 1210, and the size and shape of the second through hole 1220 are consistent with the groove bottom of the groove 1210.

In one embodiment, as shown in fig. 1, the bracket body 110 is provided with an extension 130 surrounding the outer side of the plate surface adjacent to the second clamping plate 122, and the extension 130 is connected to and extends to the connecting plate 123 and the second clamping plate 122.

In one embodiment, the upper width of the bracket body 110 of the square plate is greater than the lower width of the bracket body 110.

In one embodiment, as shown in fig. 3, the front projection of the rear suspension bracket of the cab is in the shape of an inverted rounded triangle, and each corner of the rear suspension bracket of the rounded triangle is an acute angle.

In one embodiment, two sets of circular holes are disposed at corresponding positions on the lower portions of the first clamping plate 121 and the second clamping plate 122, and the two sets of circular holes have different sizes.

In one embodiment, each joint of the rear suspension bracket of the cab is connected in an arc shape, and a plurality of mounting holes are formed in the plate surface of the bracket main body 110 having an inclination angle, and are connected with the cab through the mounting holes.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A rear suspension bracket of a cab is characterized by comprising a bracket main body and a fixing frame; the support main body is a square plate, the plate surface of the upper part of the support main body of the square plate has a preset inclination angle, the middle part of the support main body is provided with a first through hole, and the support main body is suitable for being connected with a cab;

the fixing frame is overall n-shaped, a transverse line part at the upper end of the fixing frame is connected with the support main body, the transverse line part at the upper end of the fixing frame is matched with vertical line parts at two sides of the fixing frame and is suitable for being connected with a locking body on a cab, and the support main body and the fixing frame are provided with a plurality of mounting holes.

2. The rear suspension bracket for the cab according to claim 1, wherein the fixing bracket includes a connecting plate, a first clamping plate and a second clamping plate corresponding to a horizontal line portion at an upper end of the n-shaped bracket, a vertical line portion at one side and a vertical line portion at the other side, respectively;

the first clamping plate and the bracket main body are positioned in the same plane;

the distance between the first clamping plate and the second clamping plate is larger than the width of the lock body on the cab.

3. The cab rear suspension bracket according to claim 2, wherein the first cleat and the second cleat remain parallel and have the same outer structure.

4. The cab rear suspension bracket according to claim 2, wherein a groove is provided in the first clip plate, the groove having a depth greater than a thickness of the first clip plate, the groove having the mounting hole provided therein.

5. The rear suspension bracket of claim 4, wherein the second clamping plate is provided with a second through hole, the position of the second through hole corresponds to the position of the groove, and the size and the shape of the second through hole are consistent with those of the bottom of the groove.

6. The cab rear suspension bracket according to claim 2, wherein an extension is provided around the bracket main body adjacent to the outer side of the plate surface of the second clip plate, the extension connecting and extending to the connecting plate and the second clip plate.

7. The cab rear suspension bracket according to claim 2, wherein the bracket body upper width of the square plate is larger than the bracket body lower width.

8. The cab rear suspension bracket according to claim 1, wherein an orthographic projection of the cab rear suspension bracket is an inverted rounded triangle, and each corner of the rounded triangle is an acute angle.

9. The rear suspension bracket of claim 2, wherein two sets of round holes are disposed at corresponding positions on the lower portions of the first and second clamping plates, and the two sets of round holes have different sizes.

10. The cab rear suspension bracket according to claim 1, wherein each joint of the cab rear suspension bracket is connected in an arc shape, and a plurality of mounting holes are formed in a plate surface position of the bracket body having an inclination angle, and the bracket body is connected with the cab through the mounting holes.