CN215705630U

CN215705630U - Bracket and vehicle

Info

Publication number: CN215705630U
Application number: CN202120598038.9U
Authority: CN
Inventors: 王伟健
Original assignee: Shanghai Qianchen Automobile Technology Co ltd
Current assignee: Shanghai Qianchen Automobile Technology Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2022-02-01
Anticipated expiration: 2031-03-24

Abstract

The application relates to a bracket and a vehicle. The tray comprises a tray and two support arms, wherein the tray is provided with a supporting surface for supporting the battery pack, the tray is constructed to be self-symmetrical relative to a first symmetrical surface and a second symmetrical surface, and the first symmetrical surface, the second symmetrical surface and the supporting surface are perpendicular in pairs. One end of each of the two support arms is connected to the tray, the other end of each of the two support arms is used for connecting the frame, the two support arms are connected to two opposite sides of the tray and are symmetrical to each other relative to the first symmetrical surface, and each support arm is constructed to be self-symmetrical relative to the second symmetrical surface. Above-mentioned bracket utilizes the trailing arm to connect the frame, utilizes the tray bearing battery package and resists vertical power, because the relative first symmetrical plane of tray and second symmetry are personally submitted from the symmetry, and the relative second symmetry of trailing arm is personally submitted from the symmetry, and two relative first symmetrical planes of trailing arm are each other symmetrical for the gravity of battery package can evenly be born to each structure of bracket, and the antitorque square ability of whole bracket is good, thereby has improved the fatigue resistance and the life-span of bracket and frame.

Description

Bracket and vehicle

Technical Field

The application relates to the technical field of new energy vehicles, in particular to a bracket and a vehicle.

Background

As the new energy automobile field enters a high-speed development stage, the importance of the bracket to the battery pack becomes more and more obvious. A good bracket not only has the installation function of satisfying the battery pack, but also ensures that the stress of the bracket and each part of the frame can be as uniform as possible under the condition that the vehicle meets complex working conditions, thereby achieving the effect of improving the running reliability of the vehicle. The existing bracket is stressed unevenly, so that the local stress of the bracket is overlarge, and the fatigue resistance and the service life of the bracket are influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a bracket and a vehicle that can overcome the above-mentioned drawbacks, in order to solve the problem of the conventional bracket that the service life is low due to the fatigue caused by the uneven stress.

A carrier, comprising:

a tray having a support surface for supporting a battery pack, the tray configured to be self-symmetrical with respect to a first symmetrical surface and a second symmetrical surface, the first symmetrical surface, the second symmetrical surface and the support surface being perpendicular to each other in pairs; and

the supporting arms are located on two opposite sides of the tray and are symmetrical relative to the first symmetrical surface, and each supporting arm is constructed to be self-symmetrical relative to the second symmetrical surface.

In one embodiment, each of the support arms includes a first cross beam and a stand erected on the first cross beam, the first cross beam is fixedly connected with the tray, one end of the stand is fixedly connected to the first cross beam, and the other end of the stand extends in a preset direction intersecting the support surface and is provided with a mounting lug for connecting with the frame.

In one embodiment, each of the support arms comprises two vertical frames, and the two vertical frames are symmetrical to each other relative to the second symmetrical surface;

a first interval which is equivalent to the width of the frame is formed between the two vertical frames, and the first interval is used for accommodating the frame.

In one embodiment, the stand comprises a vertical beam, one end of the vertical beam is erected on the first cross beam, and the other end of the vertical beam extends along the preset direction and is provided with the mounting lug.

In one embodiment, the stand further comprises a reinforcing rib connecting the upright beam and the first cross beam and located on a side of the upright beam facing away from the first space.

In one embodiment, the tray is in a hollow structure.

In one embodiment, the tray comprises two brackets, one end of each bracket is connected to one of the two supporting arms, the other end of each bracket is connected to the other of the two supporting arms, and the two brackets are symmetrical to each other relative to the second symmetrical plane;

a second interval is formed between the two support bodies.

In one embodiment, each bracket body comprises a second cross beam and at least two longitudinal beams, one end of each longitudinal beam is connected to one of the two bracket arms, the other end of each longitudinal beam is connected to the other of the two bracket arms, and the second cross beam is connected with two adjacent longitudinal beams.

In one embodiment, the bracket arm is detachably connected with the tray.

In addition, this application embodiment still provides a vehicle, includes frame, battery package and the bracket that any above-mentioned embodiment provided, the trailing arm is installed in the frame, the battery package bearing in the tray.

When the bracket is actually used, the battery pack is placed on the supporting surface of the tray, and the support arm is connected to the frame, so that the battery pack is installed. The bracket arms are connected with the frame, the tray is used for supporting the battery pack and resisting vertical force, the tray is self-symmetrical relative to the first symmetrical surface and the second symmetrical surface, the bracket arms are self-symmetrical relative to the second symmetrical surface, and the two bracket arms are symmetrical relative to the first symmetrical surface, so that the structure at each position of the bracket can uniformly bear the gravity of the battery pack.

Compared with the prior art, set up the bracket into symmetrical structure, when the bracket bearing battery package, bracket and frame atress are even, and the anti-torque capacity of whole bracket is good to the fatigue resistance and the life-span of bracket and frame have been improved.

Drawings

FIG. 1 is a diagram illustrating an example of a cradle in use according to an embodiment of the present application;

FIG. 2 is a schematic structural view of the bracket shown in FIG. 1;

FIG. 3 is a schematic view of the bracket arm of the bracket shown in FIG. 2;

fig. 4 is a schematic structural view of the bracket in the bracket shown in fig. 2.

Description of reference numerals:

10. a bracket; 11. a bracket arm; 111. a first cross member; 112. erecting a frame; 1121. erecting a beam; 1122. mounting lugs; 1123. reinforcing ribs; 12. a tray; 121. a support body; 1211. a stringer; 1212. a second cross member; 20. a battery pack; 30. a frame; f1, a first symmetrical surface; f2, second plane of symmetry.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to 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," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

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

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

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

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

Referring to fig. 1 and 2, in one embodiment, a tray 10 includes a tray 12 and two support arms 11, the tray 12 has a support surface for supporting a battery pack 20, the tray 12 is configured to be self-symmetrical with respect to a first symmetrical surface F1 and a second symmetrical surface F2, and the first symmetrical surface F1, the second symmetrical surface F2 and the support surface are perpendicular to each other. One end of each bracket arm 11 is connected to the tray 12, the other end of each bracket arm 11 is used for connecting the frame 30, the two bracket arms 11 are located on two opposite sides of the tray 12 and are symmetrical to each other relative to the first symmetrical plane F1, and each bracket arm 11 is configured to be self-symmetrical relative to the second symmetrical plane F2.

In actual operation, the bracket 10 is configured such that the battery pack 20 is placed on the support surface of the tray 12, and the bracket arm 11 is connected to the vehicle body frame 30, thereby mounting the battery pack 20. The bracket arms 11 are connected with the frame 30, the tray 12 is used for supporting the battery pack 20 and resisting vertical force, the tray 12 is self-symmetrical relative to the first symmetrical surface F1 and the second symmetrical surface F2, the bracket arms 11 are self-symmetrical relative to the second symmetrical surface F2, and the two bracket arms 11 are symmetrical relative to the first symmetrical surface F1, so that the structures at all positions of the bracket 10 can uniformly bear the gravity of the battery pack 20.

Compared with the prior art, the bracket 10 is arranged to be of a symmetrical structure, when the bracket 10 supports the battery pack 20, the bracket 10 and the frame 30 are stressed uniformly, and the torque resistance of the whole bracket 10 is good, so that the fatigue resistance and the service life of the bracket 10 and the frame 30 are improved.

It should be noted that self-symmetry means that the structure is symmetrical with respect to the symmetry plane, and mutual symmetry means that two components are symmetrically arranged with respect to the symmetry plane.

It can be understood that the bracket arm 11 is connected to one end of the tray 12 and extends toward the other end of the bracket arm 11 along a predetermined direction, and the predetermined direction intersects with the supporting surface of the tray 12, so that the bracket arm 11 and the tray 12 jointly define a containing space for containing the battery pack 20, and the battery pack 20 is placed.

In practical applications, the preset direction may be a vertical direction. At this time, the bracket arm 11 is vertically connected to the tray 12.

In some embodiments, referring to fig. 2 and 3, each of the support arms 11 includes a first cross member 111 and a stand 112 standing on the first cross member 111, the first cross member 111 is fixedly connected to the tray 12, one end of the stand 112 is fixedly connected to the first cross member 111, and the other end of the stand 112 extends along a predetermined direction intersecting the supporting surface and has a mounting ear 1122 for connecting with the vehicle frame 30.

At this time, the first cross member 111 of the bracket 11 is attached to the tray 12, and the stand 112 and the tray 12 form an accommodating space for accommodating the battery pack 20, thereby facilitating the installation of the battery pack 20. The bracket 10 is mounted by mounting the frame 30 through the mounting ears 1122 on the stand 112. Adopt first crossbeam 111 to connect tray 12, provide abundant mountable position for tray 12, the installation position can be according to the nimble setting of the form of tray 12.

The first cross member 111 may be welded to the tray 12 or connected with a fastener, such as a bolt, and the specific form is not limited.

Preferably, the extending direction (i.e., the preset direction) of the stand 112 may be a vertical direction. The support force provided by the vehicle frame 30 to the bracket 10 at this time is in the vertical direction, so that the fatigue loss of the vehicle frame 30 is reduced. Of course, the extending direction of the stand 112 may also be an obtuse angle with the supporting surface.

Preferably, the mounting lug 1122 is provided with a connecting hole, and the mounting lug 1122 and the frame 30 are connected by providing a fastener in the connecting hole, which is economical and easy to detach. The fasteners may be bolts or the like. The number of attachment holes may be multiple, and thus attachment of mounting ears 1122 to frame 30 may be provided by multiple fasteners, which helps ensure secure attachment of bracket 10 to frame 30.

Of course, mounting ears 1122 may be suspended from frame 30 or otherwise connected thereto, without limitation.

In an embodiment, each of the support arms 11 includes two vertical frames 112, the two vertical frames 112 are symmetrical to each other with respect to the second symmetrical surface F2, and a first space corresponding to the width of the frame 30 is formed between the two vertical frames 112, and the first space is used for accommodating the frame 30.

In practice, the mounting ears 1122 of the two uprights 112 of one bracket 11 are connected to the opposite side walls of the frame 30 in the width direction, the frame 30 is located in the first space, and the battery pack 20 is located between the tray 12 and the frame 30. At this time, the bracket arms 11 can be reliably connected to the vehicle body frame 30 by connecting the mounting ears 1122 of the two stand frames 112 to the vehicle body frame 30. And the bracket 10 is supported by four positions of the frame 30, so that stress concentration at a certain position of the frame 30 can be avoided, stress on the frame 30 is more uniform, and fatigue resistance and service life of the frame 30 are improved.

In a specific embodiment, referring to fig. 2 and 3, the stand 112 includes a vertical beam 1121, one end of the vertical beam 1121 is erected on the first cross beam 111, and the other end of the vertical beam 1121 extends along a predetermined direction and has a mounting ear 1122.

At this time, the upright frame 1121 is used as the upright frame 112, and the first cross member 111 and the vehicle frame 30 are connected by the upright frame 1121 to transmit the supporting force provided by the vehicle frame 30 to the tray 12, so as to support the battery pack 20. Therefore, the structure is simple, economical and practical, and the connection is reliable.

Further, the vertical frame 112 further includes a reinforcing rib 1123, and the reinforcing rib 1123 connects the vertical beam 1121 and the first cross frame and is located on a side of the vertical beam 1121 facing away from the first space. At this time, the reinforcing ribs 1123, the upright 1121, and the first cross frame form a triangular connection structure, so that the upright 112 is structurally stable, and the tray 12 and the battery pack 20 thereon can be stably supported.

Wherein, the number of the stand 112 may be at least two to further enhance the structural strength of the stand 112.

In some embodiments, the tray 12 is hollow. In this manner, the overall weight of the pallet 12 is greatly reduced, reducing fatigue wear on the vehicle frame 30.

In a specific embodiment, referring to fig. 2 and 4, the tray 12 includes two brackets 121, one end of each of the two brackets 121 is connected to one of the two arms 11, the other end of each of the two brackets 121 is connected to the other of the two arms 11, the two brackets 121 are symmetrical to each other with respect to the second symmetrical plane F2, and a second space is formed between the two brackets 121.

At this time, the tray 12 is divided into two holders 121, and the second space between the two holders 121 forms a hollow structure, so that the weight is reduced, and the two holders 121 can stably receive the weight of the battery pack 20.

Further, each cradle body 121 comprises a second cross beam 1212 and at least two longitudinal beams 1211, one end of each of the at least two longitudinal beams 1211 is connected to one of the two cradle arms 11, the other end of each of the at least two longitudinal beams 1211 is connected to the other of the two cradle arms 11, and the second cross beam 1212 connects two adjacent longitudinal beams 1211.

At this time, the second cross member 1212 and the longitudinal member 1211 are criss-crossed, and a hollow structure is formed between the second cross member 1212 and the two longitudinal members 1211, so that not only can the structural strength of the bracket body 121 be ensured to stably receive the battery pack 20, but also the weight of the bracket body 121 can be further reduced, thereby reducing fatigue loss to the frame 30 and the bracket arm 11, and improving the service life of the frame 30 and the bracket 10.

Preferably, a plurality of second cross beams 1212 are provided between two adjacent longitudinal beams 1211, and the second cross beams 1212 are arranged along the extending direction of the longitudinal beams 1211. At this time, the plurality of second cross members 1212 are used to connect the two longitudinal beams 1211, so that the connection strength of the two longitudinal beams 1211 is more reliable, and the structural strength of the bracket body 121 is further improved.

It should be noted that both ends of each longitudinal beam 1211 are connected to the first cross beam 111 of the trailing arm 11.

In other embodiments, the supporting body 121 may also have a plate shape.

Specifically, in the embodiment, the tray 12 further includes a limiting portion (not shown), a side of each of the support bodies 121 away from the second space is provided with a limiting portion, each of the limiting portions is movably connected to the support body 121 and has a first position and a second position when moving, when the limiting portion is located at the first position, the limiting portion can limit the battery pack 20 located on the support body 121 to enter and exit the support body 121, and when the limiting portion is located at the second position, the limiting portion can allow the battery pack 20 located on the support body 121 to enter and exit the support body 121.

In practical operation, before the battery pack 20 is placed, the limiting parts are moved to the second positions, and at the moment, the battery pack 20 can smoothly enter the accommodating space. After the battery pack 20 is placed, each limiting portion is moved to the first position, and at this time, the battery pack 20 can only be located in the accommodating space and cannot be separated from the support body 121 under the blocking of the limiting portion. In this manner, the safety of the battery pack 20 is facilitated.

Wherein, spacing portion can be a spacing door of being connected through the pivot with the support body 121, perhaps spacing portion is a bayonet lock, is provided with the bayonet socket that supplies the bayonet lock to peg graft on the support body 121, perhaps other structures, and is specifically not repeated once more.

In some embodiments, the bracket arm 11 is detachably connected to the tray 12. For example, using fasteners such as bolts.

In actual operation, the mounting process of the bracket 10 is as follows: the bracket arm 11 is attached to the carriage 30, the battery pack 20 is placed on the tray 12, and the tray 12 is attached to the bracket arm 11. The disassembly process of the bracket 10 is: the tray 12 is removed, the battery pack 20 is removed, and the bracket arm 11 is removed. At this time, the bracket arm 11 is detachably connected to the tray 12, so that the bracket 10 can be easily mounted on the frame 30 and the bracket 10 can be easily detached from the frame 30.

In the bracket 10 provided by the embodiment of the application, in actual operation, the battery pack 20 is placed on the supporting surface of the tray 12, and the bracket arm 11 is connected to the frame 30, so that the battery pack 20 is mounted. The bracket arms 11 are connected with the frame 30, the tray 12 is used for supporting the battery pack 20 and resisting vertical force, the tray 12 is self-symmetrical relative to the first symmetrical surface F1 and the second symmetrical surface F2, the bracket arms 11 are self-symmetrical relative to the second symmetrical surface F2, and the two bracket arms 11 are symmetrical relative to the first symmetrical surface F1, so that the structures at all positions of the bracket 10 can uniformly bear the gravity of the battery pack 20. Compared with the prior art, the bracket 10 is arranged to be of a symmetrical structure, when the bracket 10 supports the battery pack 20, the bracket 10 and the frame 30 are stressed uniformly, and the whole bracket 10 has good torque resistance, so that the fatigue resistance and the service life of the bracket 10 are improved.

In addition, the embodiment of the present application further provides a vehicle, which includes a frame 30, a battery pack 20 and the bracket 10 provided in any of the above embodiments, wherein the bracket arm 11 is mounted on the frame 30, and the battery pack 20 is supported on the tray 12.

In the vehicle, in actual operation, the battery pack 20 is placed on the support surface of the tray 12, and the bracket arm 11 is connected to the vehicle frame 30, thereby mounting the battery pack 20. The bracket arms 11 are connected with the frame 30, the tray 12 is used for supporting the battery pack 20 and resisting vertical force, the tray 12 is self-symmetrical relative to the first symmetrical surface F1 and the second symmetrical surface F2, the bracket arms 11 are self-symmetrical relative to the second symmetrical surface F2, and the two bracket arms 11 are symmetrical relative to the first symmetrical surface F1, so that the structures at all positions of the bracket 10 can uniformly bear the gravity of the battery pack 20. Compared with the prior art, the bracket 10 is arranged to be of a symmetrical structure, when the bracket 10 supports the battery pack 20, the bracket 10 and the frame 30 are stressed uniformly, and the torque resistance of the whole bracket 10 is good, so that the fatigue resistance and the service life of the bracket 10 and the frame 30 are improved.

It will be appreciated that the vehicle also includes other benefits of the bracket 10 described above and will not be described in detail herein.

The vehicle can be a pure electric vehicle or a gasoline-electric hybrid vehicle.

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

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

Claims

1. A cradle, comprising:

2. The bracket of claim 1, wherein each of the support arms includes a first cross member and a stand standing on the first cross member, the first cross member is fixedly connected to the tray, one end of the stand is fixedly connected to the first cross member, and the other end of the stand extends along a predetermined direction intersecting the support surface and has a mounting ear for connecting to the frame.

3. A carriage in accordance with claim 2, characterized in that each of said brackets comprises two of said uprights, which are symmetrical to each other with respect to said second plane of symmetry;

4. A carriage in accordance with claim 3, characterized in that said upright comprises an upright, one end of said upright standing on said first cross member and the other end of said upright extending in said predetermined direction and having said mounting ears.

5. The tray of claim 4, wherein the stand further comprises a stiffener connecting the upright and the first cross member and located on a side of the upright facing away from the first space.

6. A support according to any of claims 1 to 5, wherein the tray is of an open construction.

7. The tray of claim 6, comprising two brackets, one end of the two brackets being connected to one of the two brackets and the other end of the two brackets being connected to the other of the two brackets, the two brackets being symmetrical to each other with respect to the second plane of symmetry;

a second interval is formed between the two support bodies.

8. The carrier frame according to claim 7, wherein each of said brackets includes a second cross member and at least two longitudinal members, one end of said at least two longitudinal members being connected to one of said two brackets, the other end of said at least two longitudinal members being connected to the other of said two brackets, and a second cross member connecting two adjacent longitudinal members.

9. A support according to any of claims 1 to 5, wherein the bracket arm is removably connected to the tray.

10. A vehicle comprising a frame to which the trailing arm is mounted, a battery pack supported by the tray, and a bracket as claimed in any one of claims 1 to 9.