CN219544440U - Rear lower bracket assembly for new energy passenger car - Google Patents

Abstract

The utility model discloses a rear lower bracket arm assembly for a new energy passenger car, which belongs to the technical field of pivot cantilevers of the new energy passenger car and comprises a bracket arm body, wherein the bracket arm body is in a strip shape, two ends of the bracket arm body are respectively provided with an adaptation groove I and an adaptation groove II, and the upper end surface of the bracket arm body is provided with an adaptation groove III; the adapting groove I, the adapting groove II and the adapting groove III are distributed in a non-isosceles triangle; the adapter groove I, the adapter groove II and the adapter groove III are respectively provided with a bushing; the upper end face of the bracket body is provided with a spring supporting seat between the adapting groove I and the adapting groove III and close to the adapting groove III, and the upper surface of the spring supporting seat is provided with a spring contact plane along the central line. The upper end face of the bracket body is provided with the spring supporting seat between the adapting groove I and the adapting groove III and close to the adapting groove III, so that after the spring supporting piece is assembled with the spring supporting seat disclosed by the disclosure, the purpose of leading the spring can be achieved, and the comfort level and the control stability are improved.

Description

Rear lower bracket assembly for new energy passenger car

Technical Field

The utility model belongs to the technical field of pivot cantilevers of new energy passenger cars, and particularly relates to a rear lower bracket assembly for a new energy passenger car.

Background

At present, three-point linkage is adopted for a rear lower bracket assembly of a rear suspension of a domestic passenger car, for example, a rear trailing arm structure and an automobile are disclosed in Chinese patent application with publication number of CN110816188A, and the rear trailing arm structure comprises: a main support plate; a mounting brace connected to the main brace; one end of the main supporting plate is connected with a first tubular mounting hole structure, and a joint of the other end of the main supporting plate and one end of the mounting supporting plate is connected with a second tubular mounting hole structure; the other end of the mounting support plate is connected with a third tubular mounting hole structure; the technical scheme is that the first tubular mounting hole structure, the second tubular mounting hole structure and the third tubular mounting hole structure are respectively provided with a bushing sleeve, and the rear trailing arm mounting bracket of the frame is arranged at the joint of the rear trailing arm structure and the frame.

It should be noted that the information disclosed in the above background section is only for enhancing the understanding of the background of the present disclosure, and thus may include information that does not constitute prior art.

Disclosure of Invention

The inventor finds that the spiral spring is installed on the rear axle, and the rear axle needs to bear large load, so that the problems of poor riding comfort and poor control stability of passengers are caused.

In view of at least one of the above technical problems, the present disclosure provides a rear lower bracket assembly for a new energy passenger car, which has the following specific technical scheme:

the rear lower bracket arm assembly for the new energy passenger car comprises a bracket arm body, wherein the bracket arm body is of a strip shape, two ends of the bracket arm body are respectively provided with an adaptation groove I and an adaptation groove II, and the upper end surface of the bracket arm body is provided with an adaptation groove III; the adapting groove I, the adapting groove II and the adapting groove III are distributed in a non-isosceles triangle; the adapter groove I, the adapter groove II and the adapter groove III are respectively provided with a bushing; the upper end face of the bracket body is provided with a spring supporting seat between the adapting groove I and the adapting groove III and close to the adapting groove III, and the upper surface of the spring supporting seat is provided with a spring contact plane along the central line.

In some embodiments of the disclosure, the bracket body is a crank arm with an arc-shaped longitudinal section.

In some embodiments of the present disclosure, the upper end surface and the side edge of the lower end surface of the bracket arm body are provided with flanges for improving strength.

In some embodiments of the present disclosure, the spring support has a width that is greater than a width of the flange.

In some embodiments of the present disclosure, the spring support is a hollow circular truncated cone.

In some embodiments of the present disclosure, a weight removing hole is provided in the middle of the upper surface of the circular table.

In some embodiments of the present disclosure, the bracket body is provided with a lightening hole.

In some embodiments of the present disclosure, the adapting groove i, the adapting groove ii and the adapting groove iii are cambered grooves.

In some embodiments of the present disclosure, the sleeve is a gum cover.

In some embodiments of the present disclosure, the bracket body is an aluminum alloy material.

Compared with the prior art, the utility model has the following beneficial effects:

the spring support seat is arranged between the adapting groove I and the adapting groove III and close to the adapting groove III through the upper end surface of the bracket arm body, so that after the spring support piece is assembled with the spring support seat disclosed by the disclosure, the purpose of leading the spring can be realized, and the comfort level and the control stability are improved;

the adaptation groove I, the adaptation groove II and the adaptation groove III are not isosceles triangle and distribute for the adaptation groove I, the adaptation groove II and the adaptation groove III are connected with the bush after, can form triangle-shaped's supporting framework, and the structure of bracket body is more stable.

Drawings

FIG. 1 is a perspective view of embodiment 2 of the structure of the present utility model;

FIG. 2 is an exploded view of the structure of FIG. 1;

FIG. 3 is a top view of the structure of FIG. 1;

fig. 4 is a schematic view of the structure of embodiment 2 of the present utility model in a use state.

The reference numerals in the figures illustrate: 1. a bracket body; 11. an adaptation groove I; 12. an adaptation groove II; 13. an adaptation groove III; 14. a spring support base; 141. a spring contact plane; 142. a duplicate removal hole; 15. flanging; 16. a lightening hole; 2. a bushing; 3. a rear axle; 4. a spring support.

Detailed Description

For a better understanding of the objects, structures and functions of the present utility model, reference should be made to the accompanying drawings in which embodiments of the utility model are shown, and in which it is apparent that some, but not all embodiments of the utility model are described.

The component parts themselves are numbered herein only to distinguish between the stated objects and do not have any sequential or technical meaning. In this disclosure, the term "coupled" includes both direct and indirect, "as used herein, unless specifically indicated otherwise. In the description of the present utility model, it should be understood that the azimuth or positional relationship indicated by the azimuth terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. are based on the azimuth or positional relationship shown in the drawings, are merely for convenience of description and brief description, and do not indicate or imply that the apparatus or unit referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 4 of the drawings, a rear lower bracket assembly for a new energy passenger car is designed, and comprises a bracket body 1, wherein the bracket body 1 is in a strip shape, two ends of the bracket body 1 are respectively provided with an adaptation groove I11 and an adaptation groove II 12, and the upper end surface of the bracket body 1 is provided with an adaptation groove III 13; the adaptation groove I11, the adaptation groove II 12 and the adaptation groove III 13 are distributed in a non-isosceles triangle, so that the support framework of the triangle can be formed after the adaptation groove I11, the adaptation groove II 12 and the adaptation groove III 13 are connected with the bushing 2, and the structure of the bracket body 1 is more stable; the adapter groove I11, the adapter groove II 12 and the adapter groove III 13 are respectively provided with a bushing 2; the up end of trailing arm body 1 is equipped with spring supporting seat 14 near adaptation groove III 13 department between adaptation groove I11 and adaptation groove III 13, and spring supporting seat 14 upper surface is equipped with spring contact plane 141 along the central line, is equipped with spring supporting seat 14 near adaptation groove III 13 department between adaptation groove I11 and adaptation groove III 13 through the up end of trailing arm body 1 for after spring support 4 and the spring supporting seat 14 assembly of this disclosure, can realize the purpose of spring front-end, thereby improve comfort level and control stability.

In use, the bushing 2, which is fitted in the fitting groove iii 13, is articulated to the rear axle 3, and the spring contact plane 141 of the spring support 14 is fitted in connection with the spring support.

In the above embodiments, three embodiments are listed to implement the above technical solutions:

example 1

The embodiment discloses a rear lower bracket assembly for a new energy passenger car, which comprises a bracket body 1, wherein the bracket body 1 is in a strip shape, two ends of the bracket body 1 are respectively provided with an adaptation groove I11 and an adaptation groove II 12, and the upper end surface of the bracket body 1 is provided with an adaptation groove III 13; the adaptation groove I11, the adaptation groove II 12 and the adaptation groove III 13 are distributed in a non-isosceles triangle, so that the support framework of the triangle can be formed after the adaptation groove I11, the adaptation groove II 12 and the adaptation groove III 13 are connected with the bushing 2, and the structure of the bracket body 1 is more stable; the adapter groove I11, the adapter groove II 12 and the adapter groove III 13 are respectively provided with a bushing 2; the up end of trailing arm body 1 is equipped with spring supporting seat 14 near adaptation groove III 13 department between adaptation groove I11 and adaptation groove III 13, and spring supporting seat 14 upper surface is equipped with spring contact plane 141 along the central line, is equipped with spring supporting seat 14 near adaptation groove III 13 department between adaptation groove I11 and adaptation groove III 13 through the up end of trailing arm body 1 for after spring support 4 and the spring supporting seat 14 assembly of this disclosure, can realize the purpose of spring front-end, thereby improve comfort level and control stability.

Wherein, the bracket arm body 1 is a linear connecting rod; the spring supporting seat 14 is a bowl-shaped concave table, and the spring contact plane 141 is arranged on the inner surface of the concave table; the bracket body 1 is made of aluminum alloy.

Example two

As shown in fig. 1 to 4, this embodiment discloses a rear lower bracket assembly for a new energy passenger car, and the difference between this embodiment and embodiment 1 is that the bracket body 1 is a crank arm with an arc-shaped longitudinal section in the long direction, and flanges 15 for improving strength are provided on the upper end surface and the side edges of the lower end surface of the bracket body 1; the width of the spring supporting seat 14 is greater than that of the flanging 15, the spring supporting seat 14 is a hollow round table, the spring contact plane 141 is arranged on the outer surface of the round table, a weight removing hole 142 is arranged in the middle of the upper surface of the round table, and the weight removing hole 142 can be a circular hole or a polygonal hole, in this embodiment, a round hole; the weight reducing holes 16 are arranged on the bracket body 1, the weight reducing holes 16 can comprise round holes, polygonal holes or other irregular holes, and the weight reducing holes 16 can be arranged on the side surface or the upper surface and the lower surface of the bracket body 1 in non-bearing areas; the adaptation groove I11, the adaptation groove II 12 and the adaptation groove III 13 are cambered surface grooves, and the outer side face of the bushing 2 is welded through the cambered surface grooves.

Example III

The embodiment discloses a rear lower bracket assembly for a new energy passenger car, and the difference between the embodiment and the embodiment 2 is that the side edge of the upper end surface of the bracket body 1 is provided with a flanging 15 for improving the strength; the width of the spring support seat 14 is consistent with the width of the flanging 15; the spring support 14 is a boss of a spherical surface, and the spring contact plane 141 is disposed on the spherical surface.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The rear lower bracket assembly for the new energy passenger car is characterized by comprising a bracket body (1), wherein the bracket body (1) is long-strip-shaped, two ends of the bracket body (1) are respectively provided with an adaptation groove I (11) and an adaptation groove II (12), and the upper end surface of the bracket body (1) is provided with an adaptation groove III (13); the adaptation groove I (11), the adaptation groove II (12) and the adaptation groove III (13) are distributed in a non-isosceles triangle shape; an adaptation groove I (11), an adaptation groove II (12) and an adaptation groove III (13) are respectively provided with a bushing (2); the upper end face of the bracket arm body (1) is provided with a spring supporting seat (14) between the adapting groove I (11) and the adapting groove III (13) and close to the adapting groove III (13), and the upper surface of the spring supporting seat (14) is provided with a spring contact plane (141) along the central line.

2. The rear lower bracket assembly for the new energy passenger car according to claim 1, wherein the bracket body (1) is a crank arm with an arc-shaped longitudinal section.

3. The rear lower bracket assembly for the new energy passenger car according to claim 1, wherein the upper end face and the side edges of the lower end face of the bracket body (1) are provided with flanges (15) for improving the strength.

4. A rear lower bracket assembly for a new energy passenger car according to claim 3, wherein the spring support (14) has a width greater than the width of the flange (15).

5. The rear lower bracket assembly for the new energy passenger car as claimed in claim 1, wherein the spring support base (14) is a hollow round table.

6. The rear lower bracket assembly for the new energy passenger car according to claim 5, wherein a weight removing hole (142) is formed in the middle of the upper surface of the round table.

7. The rear lower bracket assembly for the new energy passenger car according to claim 1, wherein the bracket body (1) is provided with a weight reducing hole (16).

8. The rear lower bracket assembly for the new energy passenger car according to claim 1, wherein the adapting groove I (11), the adapting groove II (12) and the adapting groove III (13) are cambered grooves.

9. The rear lower bracket assembly for a new energy passenger car according to claim 1, wherein the bushing (2) is a rubber sleeve.

10. The rear lower bracket assembly for the new energy passenger car according to claim 1, wherein the bracket body (1) is made of aluminum alloy.