CN220615945U

CN220615945U - Sub vehicle frame assembly and vehicle

Info

Publication number: CN220615945U
Application number: CN202322392751.XU
Authority: CN
Inventors: 卢炜乐; 李强; 夏超; 赵晓坤
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-03-19
Anticipated expiration: 2033-09-04

Abstract

The utility model discloses a subframe assembly and a vehicle, wherein the subframe assembly comprises: the auxiliary frame, control arm and spacing support, one side of auxiliary frame is provided with the installing support, and the tip of control arm is provided with the bush, and spacing support wears to establish in the bush, and spacing support is provided with first spacing portion and second spacing portion respectively in the axial both sides of bush to it is spacing to the bush axial in the installing support, and spacing support and installing support pass through fastener fixed connection. Through setting up the bush in the one end of control arm to can make spacing support wear to establish in the bush be connected with the sub vehicle frame, set up first spacing portion and second spacing portion on the spacing support moreover, set up like this and can make spacing support and bush axial spacing, spacing support and installing support are connected to the fastener, thereby can effectually avoid the conflict between operating space and sub vehicle frame and the control arm, but also can furthest's assurance sub vehicle frame's longeron cross-section size.

Description

Sub vehicle frame assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a subframe assembly and a vehicle.

Background

At present, a double-fork arm suspension is one of independent suspensions, the double-fork arm suspension is more and more selected to be used in automobile product research and development due to good comfort and smoothness, a lower control arm in the double-fork arm suspension is commonly used for bearing vertical force of a spring shock absorber and force transferred to a subframe in acceleration and starting processes of wheels, and the lower control arm in the double-fork arm suspension is divided into a double-ball joint control arm and a single-ball joint control.

In the related art, the cross section of the pipe beam structure of the auxiliary frame cannot be damaged, so that an embedded mounting bracket cannot be formed for a small bushing of the control arm, and the mounting bracket is limited by the auxiliary frame and the body structure of the control arm, so that the position bolt of the small bushing cannot be transversely mounted, and further the small bushing occupies large space in the transverse direction of the self-limiting structure and occupies the cross section space of the longitudinal beam of the auxiliary frame.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. It is therefore an object of the present utility model to provide a subframe assembly which effectively avoids tool space interference with subframe and control arm structure and facilitates implementation of crash transfer channels.

The utility model further proposes a vehicle.

The subframe assembly according to the present utility model comprises: the auxiliary frame, control arm and spacing support, one side of auxiliary frame is provided with the installing support, the tip of control arm is provided with the bush, spacing support wears to establish in the bush, spacing support is in the axial both sides of bush are provided with first spacing portion and second spacing portion respectively, in order to right in the installing support the bush is spacing axially, spacing support and installing support pass through fastener fixed connection.

According to the auxiliary frame assembly, the bushing is arranged at one end of the control arm, so that the limiting support penetrates through the bushing and is connected with the auxiliary frame, the first limiting part and the second limiting part are arranged on the limiting support, the limiting support and the bushing are axially limited, the fastening piece is vertically connected with the limiting support and the mounting support, collision between an operation space and the auxiliary frame and the control arm can be effectively avoided, the cross section size of a longitudinal beam of the auxiliary frame can be guaranteed to the greatest extent, implementation of collision force transmission channels is facilitated, and movement of the control arm in the acceleration and braking process of a vehicle can be effectively limited.

In some examples of the utility model, the spacing bracket includes: the first support is arranged in the bushing in a penetrating mode, the first limiting portion is arranged on the first support, the second support is arranged on the first support, and the second limiting portion is arranged on the second support.

In some examples of the utility model, the first bracket includes: the shaft body is arranged in the bushing in a penetrating mode, one end outer peripheral surface of the shaft body is provided with a first limiting portion, the first mounting portion is arranged on one end face of the shaft body, the second mounting portion is arranged on the other end face of the shaft body, the second support is arranged on the second mounting portion, and the second mounting portion and the first mounting portion are fixedly connected through the fastening piece and the mounting support.

In some examples of the utility model, the second bracket further comprises: the third installation department, the spacing portion of second set up in on the third installation department, the spacing portion of second is provided with the through-hole, the second installation department wears to establish the through-hole, the third installation department with the second installation department stacks the setting and through vertical setting the fastener with installing support fixed connection.

In some examples of the utility model, the second bracket further comprises: and the anti-rotation part is arranged on the third installation part and positioned at two sides of the second installation part so as to prevent the second installation part from rotating.

In some examples of the present utility model, a first mating plane is respectively disposed on two sides of the second mounting portion, and the anti-rotation portion is disposed with a second mating plane, where the second mating plane is disposed opposite to the first mating plane and leaves a gap.

In some examples of the utility model, the first bracket is an aluminum alloy structural member and the second bracket is a cast aluminum structural member.

In some examples of the utility model, the fastener includes: the bolt is matched with the nut in a mode of penetrating the limiting support and the mounting support from bottom to top.

In some examples of the utility model, the subframe includes: the longeron, the installing support includes: the novel longitudinal beam comprises a main body and supporting legs, wherein an accommodating groove is formed in the main body, the bushing is arranged in the accommodating groove, the supporting legs are arranged on two sides of the main body, the main body and the supporting legs are fixedly connected with the longitudinal beam, and the supporting legs and the limiting brackets are fixedly connected through fasteners.

The vehicle according to the present utility model includes: the subframe assembly described above.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural view of a subframe assembly according to an embodiment of the present utility model;

FIG. 2 is a partial schematic structural view of a subframe assembly according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a subframe assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a spacing bracket;

FIG. 5 is a cross-sectional view of the spacing bracket;

FIG. 6 is a schematic view of the structure of the first bracket;

fig. 7 is a schematic structural view of the second bracket.

Reference numerals:

1. a subframe assembly;

2. an auxiliary frame; 21. a mounting bracket; 22. a longitudinal beam; 23. a main body; 24. a support leg; 3. a control arm; 31. a bushing; 4. a limit bracket; 41. a first limit part; 42. a second limit part; 43. a first bracket; 431. a shaft body; 432. a first mounting portion; 433. a second mounting portion; 434. a first mating plane; 44. a second bracket; 441. a third mounting portion; 442. an anti-rotation part; 443. a second mating plane; 5. a fastener; 51. a bolt; 52. and (3) a nut.

Detailed Description

Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.

A subframe assembly 1 according to an embodiment of the present utility model, which subframe assembly 1 is applied in a vehicle, is described below with reference to fig. 1 to 7.

As shown in fig. 1 to 7, a subframe assembly 1 according to the present utility model includes: subframe 2, control arm 3 and spacing support 4, one side of subframe 2 is provided with installing support 21, and the tip of control arm 3 is provided with bush 31, and spacing support 4 wears to establish in bush 31, and spacing support 4 is provided with first spacing portion 41 and second spacing portion 42 respectively in the axial both sides of bush 31 to it is spacing to bush 31 axial in installing support 21, and spacing support 4 and installing support 21 pass through fastener 5 fixed connection.

It will be appreciated that the subframe 2, the control arm 3 and the limiting bracket 4 form a main structure of the subframe assembly 1, the mounting bracket 21 is located at one end of the subframe 2 close to the control arm 3, the bushing 31 is located at one end of the control arm 3 close to the subframe 2, so that the mounting bracket 21 and the bushing 31 are adjacently arranged, the limiting bracket 4 can be arranged in the bushing 31 in a penetrating manner, and the limiting bracket 4 is provided with the first limiting part 41 and the second limiting part 42, so that the bushing 31 can be limited, and therefore, the limiting bracket 4 and the mounting bracket 21 are arranged in a penetrating manner in the vertical direction of the fastener 5, and the subframe 2 and the control arm 3 can be connected.

From this, through setting up bush 31 in the one end of control arm 3, thereby can make spacing support 4 wear to establish in the bush 31 and be connected with sub-frame 2, set up first spacing portion 41 and second spacing portion 42 on the spacing support 4 moreover, set up like this and can make spacing support 4 and bush 31 axial spacing, fastener 5 vertical connection spacing support 4 and installing support 21, thereby can effectually avoid the conflict between operation space sub-frame 2 and the control arm 3, but also can furthest guaranteed sub-frame 2's longeron 22 cross-section size, thereby be favorable to the implementation of collision power transmission passageway, and then can effectually restrict the vehicle and accelerate and brake the removal of in-process control arm 3.

As shown in fig. 4 to 7, the limiting bracket 4 includes: the first bracket 43 and the second bracket 44, the first bracket 43 wears to establish in the bush 31, and first bracket 43 is provided with first spacing portion 41, and the second bracket 44 sets up on first bracket 43, and second bracket 44 is provided with second spacing portion 42. That is, the first bracket 43 and the second bracket 44 form the main structure of the limiting bracket 4, one end of the first bracket 43 can be inserted into the bushing 31, and then the second bracket 44 is connected with the first bracket 43 inserted through the bushing 31, so that the first bracket 43 and the second bracket 44 can be connected into a whole, the first limiting part 41 is located on the first bracket 43, and the second limiting part 42 is located on the second bracket 44, so that the limiting bracket 4 limits the bushing 31, and further, the installation between the subframe 2 and the control arm 3 is facilitated.

In addition, as shown in fig. 4 and 6, the first bracket 43 includes: the shaft body 431, the first installation department 432 and the second installation department 433, the shaft body 431 wears to establish in the bush 31, the outer peripheral face of shaft body 431 is provided with first spacing portion 41, first installation department 432 sets up in the one end terminal surface of shaft body 431, the second installation department 433 sets up in the other end terminal surface of shaft body 431, the second support 44 sets up on the second installation department 433, second installation department 433 and first installation department 432 are all through vertical setting's fastener 5 and installing support 21 fixed connection.

It can be understood that the shaft body 431, the first mounting portion 432 and the second mounting portion 433 form a main structure of the first bracket 43, the first mounting portion 432 and the second mounting portion 433 are respectively located at two ends of the shaft body 431, and the first limiting portion 41 is located on an outer circumferential surface of the first mounting portion 432, so that the shaft body 431 can be arranged in the bushing 31 in a penetrating manner, the first mounting portion 432 and the second mounting portion 433 are respectively located at two sides of the bushing 31, and the second bracket 44 is connected with the second mounting portion 433, so that the limiting bracket 4 can limit the bushing 31, and the fastening member 5 can be conveniently arranged in the vertical direction to penetrate the mounting bracket 21 and the limiting bracket 4.

Further, as shown in fig. 4 and 7, the second bracket 44 further includes: the third installation department 441, the spacing portion 42 of second sets up on the third installation department 441, and the spacing portion 42 of second is provided with the through-hole, and the through-hole is worn to establish by the second installation department 433, and the third installation department 441 and the range upon range of setting of second installation department 433 just through the fastener 5 and the installing support 21 fixed connection of vertical setting. That is, the second limiting portion 42 is located on the third mounting portion 441, and a through hole is provided in the middle of the second limiting portion 42, so that the second mounting portion 433 can pass through the through hole, so that the third mounting portion 441 is located below the second mounting portion 433, and the fastener 5 is further facilitated to pass through the second mounting portion 433, the third mounting portion 441 and the mounting bracket 21.

In addition, as shown in fig. 7, the second bracket 44 further includes: the rotation preventing portion 442 is disposed on the third mounting portion 441 and located at two sides of the second mounting portion 433 to prevent the second mounting portion 433 from rotating. It will be appreciated that the rotation preventing portion 442 is located on the third mounting portion 441, and the rotation preventing portion 442 is located on two sides of the second mounting portion 433, so that when the second mounting portion 433 and the third mounting portion 441 are stacked, the second mounting portion 433 is prevented from rotating relative to the third mounting portion 441, so that connection between the first bracket 43 and the second bracket 44 is facilitated, and the fastener 5 is facilitated to penetrate through the second mounting portion 433, the third mounting portion 441 and the mounting bracket 21.

In particular, as shown in fig. 6 and 7, the second mounting portion 433 is provided with a first mating plane 434 on both sides thereof, and the rotation preventing portion 442 is provided with a second mating plane 443, and the second mating plane 443 is disposed opposite to the first mating plane 434 with a gap therebetween. It will be appreciated that the first mating plane 434 is located at two sides of the second mounting portion 433, and the second mating plane 443 is located at an inner side of the anti-rotation portion 442, so that the first mating plane 434 and the second mating plane 443 can be disposed in a relatively mating manner, and a gap is left between the first mating plane 434 and the second mating plane 443, so that the connection between the first bracket 43 and the second bracket 44 is facilitated, and the limit fit between the limit bracket 4 and the mounting bracket 21 is facilitated, so that the accuracy of the mounting between the control arm 3 and the subframe 2 can be ensured.

Optionally, the first bracket 43 is an aluminum alloy structure, and the second bracket 44 is a cast aluminum structure, so that movement of the control arm 3 during acceleration and braking of the vehicle can be effectively limited.

Further, as shown in fig. 1 and 3, the fastener 5 includes: bolt 51 and nut 52, bolt 51 is fitted with nut 52 in such a manner that the positioning bracket 4 and the mounting bracket 21 are pierced from below to above. That is, the bolt 51 and the nut 52 are threaded through the limiting bracket 4 and the mounting bracket 21 from bottom to top, and the nut 52 is in threaded engagement with the upper end of the bolt 51, so that the limiting bracket 4 and the mounting bracket 21 can be connected more firmly, and further the movement of the control arm 3 during the acceleration and braking of the vehicle can be effectively limited.

In addition, as shown in fig. 1, the subframe 2 includes: the side member 22, the mounting bracket 21 includes: the main body 23 and the support legs 24 are internally provided with accommodating grooves, the bushings 31 are arranged in the accommodating grooves, the support legs 24 are arranged on two sides of the main body 23, the main body 23 and the support legs 24 are fixedly connected with the longitudinal beams 22, and the support legs 24 and the limiting supports 4 are fixedly connected through the fasteners 5. It will be appreciated that the main body 23 and the supporting legs 24 form a main body structure of the mounting bracket 21, the main body 23 protrudes upwards relative to the supporting legs 24, so that a containing groove is formed in the main body 23, the containing groove can limit the bushing 31, so that the bushing 31 is convenient to mount, the supporting legs 24 are positioned on two sides of the main body 23, and the supporting legs 24 are connected with the limiting brackets 4 by penetrating the fastening pieces 5, so that the connection between the mounting bracket 21 and the longitudinal beams 22 is firmer. For example, the mounting bracket 21 is welded on the lateral outer side of the longitudinal beam 22, so that the auxiliary frame 2 and the control arm 3 can be connected more firmly, and the cross-sectional size of the longitudinal beam 22 of the auxiliary frame 2 can be ensured to the greatest extent.

According to an embodiment of the present utility model, a vehicle includes: the auxiliary frame assembly 1 of the above embodiment is characterized in that the bushing 31 is arranged at one end of the control arm 3, so that the limiting support 4 is connected with the auxiliary frame 2 by penetrating through the bushing 31, the limiting support 4 is provided with the first limiting part 41 and the second limiting part 42, the limiting support 4 and the bushing 31 are axially limited by the arrangement, the fastener 5 is vertically connected with the limiting support 4 and the mounting support 21, the collision between the operation space and the auxiliary frame 2 and the control arm 3 can be effectively avoided, the section size of the longitudinal beam 22 of the auxiliary frame 2 can be furthest ensured, the implementation of collision force transmission channels is facilitated, and the movement of the control arm 3 in the acceleration and braking process of a vehicle can be effectively limited.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "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 orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features. In the description of the present utility model, "plurality" means two or more. In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween. In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A subframe assembly, comprising:

a sub-frame (2), wherein one side of the sub-frame (2) is provided with a mounting bracket (21);

a control arm (3), wherein a bushing (31) is arranged at the end part of the control arm (3);

the limiting support (4), limiting support (4) wears to establish in bush (31), limiting support (4) are in the axial both sides of bush (31) are provided with first spacing portion (41) and second spacing portion (42) respectively, in order to right in installing support (21) bush (31) axial is spacing, limiting support (4) and installing support (21) pass through fastener (5) fixed connection.

2. The subframe assembly according to claim 1, wherein the limit bracket (4) comprises:

the first bracket (43) is arranged in the bushing (31) in a penetrating way, and the first bracket (43) is provided with the first limiting part (41);

the second support (44), second support (44) set up in on the first support (43), second support (44) are provided with second spacing portion (42).

3. The subframe assembly according to claim 2, wherein the first bracket (43) comprises:

a shaft body (431), wherein the shaft body (431) is inserted into the bushing (31), and the first limiting part (41) is arranged on the outer peripheral surface of one end of the shaft body (431);

a first mounting portion (432), wherein the first mounting portion (432) is provided on one end surface of the shaft body (431);

the second installation department (433), second installation department (433) set up in the other end terminal surface of axis body (431), second support (44) set up in on second installation department (433), second installation department (433) with first installation department (432) are all through fastener (5) with installing support (21) fixed connection.

4. A subframe assembly according to claim 3, wherein the second bracket (44) further comprises: the third installation department (441), second spacing portion (42) set up in on third installation department (441), second spacing portion (42) are provided with the through-hole, second installation department (433) wear to establish the through-hole, third installation department (441) with second installation department (433) range upon range of setting and pass through fastener (5) with installing support (21) fixed connection.

5. The subframe assembly according to claim 4, wherein the second bracket (44) further comprises: and rotation prevention parts (442), wherein the rotation prevention parts (442) are arranged on the third mounting part (441) and are positioned at two sides of the second mounting part (433) so as to prevent the second mounting part (433) from rotating.

6. The subframe assembly according to claim 5, wherein a first mating plane (434) is provided on both sides of the second mounting portion (433), respectively, the rotation preventing portion (442) is provided with a second mating plane (443), and the second mating plane (443) is disposed opposite to the first mating plane (434) with a gap.

7. The subframe assembly according to claim 2, wherein the first bracket (43) is an aluminum alloy structural member and the second bracket (44) is a cast aluminum structural member.

8. The subframe assembly according to claim 1, wherein the fastener (5) comprises: the limiting support (4) and the mounting support (21) are arranged on the upper side of the mounting support in a penetrating mode, and the limiting support is arranged on the lower side of the mounting support.

9. The subframe assembly according to claim 1, wherein the subframe (2) comprises: a stringer (22);

the mounting bracket (21) includes:

a main body (23), wherein a containing groove is formed in the main body (23), and the bushing (31) is arranged in the containing groove;

the support legs (24), support legs (24) set up in the both sides of main part (23), main part (23) with support legs (24) all with longeron (22) fixed connection, support legs (24) with spacing support (4) are through fastener (5) fixed connection.

10. A vehicle, characterized by comprising: the subframe assembly (1) of any one of claims 1-9.