CN220314699U - Supporting structure, automobile chassis and vehicle - Google Patents

Abstract

The utility model discloses a supporting structure, an automobile chassis and a vehicle, wherein the supporting structure is connected with a battery pack upper cover and a battery pack beam body through a limiting piece, the limiting piece is sequentially provided with a supporting piece and a buffer piece, a stable assembly foundation of the buffer piece is provided through the supporting piece, a vehicle body floor is supported through the buffer piece, the problem of a gap between the battery pack upper cover and the vehicle body floor can be solved without filling, the buffer piece transmits acting force to the battery pack beam body through the supporting piece and the limiting piece, the supporting stability is improved, the influence on the battery pack upper cover and the battery pack limiting piece structure is avoided, the reliability is effectively improved, the deformation restoring force of the buffer piece is utilized, the buffer piece can be directly filled between the battery pack upper cover and the vehicle body floor in a compressed state to form effective supporting, the rigidity of the vehicle floor can be increased, the impact of the vehicle body floor on the battery pack can be weakened, and the NVH performance of the whole vehicle is improved.

Description

Supporting structure, automobile chassis and vehicle

Technical Field

The application relates to the technical field of automobile chassis, in particular to a supporting structure, an automobile chassis and a vehicle.

Background

The power battery system is assembled on a passenger car according to the following relation: the power battery system (battery pack) is arranged at the bottom of the whole vehicle body, passes through the mounting point hole position of the battery pack through a plurality of bolts, is locked on the threshold beam of the whole vehicle body in white, is a vehicle floor of the vehicle body in white above the battery pack, and is based on the consideration of the manufacturing precision and assembly tolerance of a real object, a gap is reserved between the upper cover at the top of the battery pack and the vehicle floor, and no connection relation exists between the upper cover and the vehicle floor.

In order to ensure the space of the passenger cabin and the designable space of the battery pack, the floor of the vehicle body is thinner, the whole vehicle body is flat, the rigidity of the floor is weaker, the NVH performance of the whole vehicle is poor, the conventional method is to fill soft foam in the gap between the upper cover of the battery pack and the floor of the vehicle body, but the upper cover of the battery pack is a thin-wall piece, so that the bearing capacity is limited, the supporting effect is poor, adverse effects are easily caused by the reaction to the upper cover of the battery pack, and the filling foam needs to be filled in a large area, so that the cost is high.

Disclosure of Invention

To the defect that exists among the prior art, this application provides a bearing structure, vehicle chassis and vehicle to solve among the prior art the cotton cost of filling of bubble between automobile body floor and the battery package upper cover is high, poor stability influences the problem of NVH performance.

The above purpose of the present application is mainly achieved by the following technical solutions:

in one aspect, the present application provides a support structure comprising:

a supporting piece arranged between the battery pack upper cover and the vehicle body floor,

the limiting piece is arranged on the upper cover of the battery pack and is used for limiting the supporting piece;

and the buffer piece is arranged between the support piece and the vehicle body floor and is used for bearing the vehicle body floor, and the buffer piece is provided with deformation restoring force.

Further, the limiting piece protrudes from the surface, facing the vehicle body floor, of the battery pack upper cover.

Further, the supporting piece is provided with an installation space buckled on the limiting piece.

Further, a first operation through hole is formed in the middle of the supporting piece, and the limiting piece is arranged in the first operation through hole.

Further, a second operation through hole is formed in the middle of the buffer piece, and the second operation through hole and the first operation through hole are coaxially arranged.

Further, a backing ring is arranged on the limiting piece, and the backing ring is arranged between the supporting piece and the upper cover of the battery pack.

Further, the support member is connected with the buffer member.

Further, the supporting piece is adhered with the buffer piece.

In one aspect, the present application also provides an automotive chassis comprising a plurality of support structures as described above.

In one aspect, the application also provides a vehicle comprising an automotive chassis as described above.

Compared with the prior art, the advantage of this application lies in:

the utility model provides a bearing structure is through setting up the locating part that is used for connecting between battery package upper cover and battery package roof beam body to set up support piece and bolster at the locating part top, support piece is located the outside of battery package upper cover, the bolster is used for bearing automobile body floor, and the bolster possesses deformation resilience, after this bearing structure installs the completion, the battery package upper cover is connected to the bolster and battery package roof beam body, keep battery package upper cover assembly stability, and set gradually support piece and bolster on the bolster, provide the stable assembly basis of bolster through the support piece, through bolster bearing automobile body floor, need not to fill and just can solve the problem in clearance between battery package upper cover and the automobile body floor, and the bolster passes through support piece, the bolster transmits to the battery package roof beam body with effort, bearing stability has been improved, avoid influencing battery package upper cover and battery package locating part structure, the reliability has effectively been improved, and utilize the deformation resilience that the bolster possesses, both can directly fill between battery package upper cover and automobile body floor with compressed state, form effective support, can weaken automobile floor, can improve the NVH to the automobile body floor, the shock performance of direct package.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly explain the drawings needed in the description of the embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an exploded structure of a support structure according to an embodiment of the present application;

FIG. 2 is a schematic view of an installation of a support structure provided in an embodiment of the present application;

FIG. 3 is a schematic view of a vehicle body floor according to an embodiment of the present disclosure;

FIG. 4 provides a cross-sectional view at A-A of FIG. 3 in accordance with an embodiment of the present application;

in the figure: 100. a limiting piece; 101. a head; 102. a stem portion; 103. an operation hole; 104. a backing ring; 200. a support; 201. a first operation through hole; 300. a buffer member; 301. a second operation through hole; 400. a battery pack upper cover; 500. a battery pack beam body; 600. a vehicle body floor; 700. and a battery pack limiting piece.

Detailed Description

The utility model is further described with reference to the drawings and specific examples. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model. Specific structural and functional details disclosed herein are merely representative of example embodiments of the utility model. This utility model may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

Fig. 1 is an exploded view schematically showing a support structure according to an embodiment of the present application, fig. 2 is an installation view schematically showing a support structure according to an embodiment of the present application, fig. 3 is a view schematically showing a structure of a floor panel 600 according to an embodiment of the present application, and fig. 4 is a cross-sectional view at A-A in fig. 3 according to an embodiment of the present application.

As shown in fig. 1 and 2, in one aspect, the present application provides a support structure, which includes a limiting member 100, a supporting member 200, and a buffering member 300, wherein:

the limiting member 100 is used for connecting the battery pack upper cover 400 and the battery pack beam body 500 to maintain stable installation of the battery pack upper cover 400, and the battery pack beam body 500 may include a battery pack cross beam and a battery pack longitudinal beam, which are not limited in particular.

The supporting member 200 is disposed at the top of the limiting member 100 and is disposed at the outer side of the upper cover 400 of the battery pack, and after the limiting member 100 is connected to fasten the upper cover 400 of the battery pack and the beam 500 of the battery pack, the supporting member 200 is disposed at the top of the limiting member 100 and is disposed at the outer side of the upper cover 400 of the battery pack, that is, the supporting member 200 is disposed in the gap between the upper cover 400 of the battery pack and the floor 600 of the vehicle body.

The buffer 300 is arranged on the support 200 and is used for bearing the vehicle body floor 600, the buffer 300 is provided with a deformation restoring force, the buffer 300 is arranged between the support 200 and the vehicle body floor 600, pre-compression installation of the buffer 300 can be carried out according to the design of the vehicle body floor 600 during assembly, namely, the buffer 300 is kept to have a trend of jacking the vehicle body floor 600 after installation, the buffer 300 can be normally installed, when the vehicle body floor 600 presses the battery pack upper cover 400 to a certain extent, deformation of the buffer 300 and the deformation restoring force after deformation are carried out, the impact between the vehicle body floor 600 and the battery pack upper cover 400 or between the buffer 300 is reduced, and the stability under dynamic working conditions is improved, so that better NVH performance of the whole vehicle is obtained.

In this embodiment, in order to improve stability of the contact surface between the buffer member 300 and the vehicle body floor 600, a plurality of annular grooves may be further formed on the end surface of the buffer member 300, which is close to the vehicle body floor 600, so as to form a concave-convex area on the end surface of the buffer member 300, which is used for supporting the vehicle body floor 600, thereby increasing friction force with the vehicle body floor 600, which is beneficial to improving stability through uniform deformation, and maintaining dynamic stability of the vehicle body floor 600 in uniform deformation, and improving NVH performance.

The working principle of the supporting structure in this embodiment is: through setting up the locating part 100 that is used for connecting between battery package upper cover 400 and battery package roof beam body 500 to set up support 200 and bolster 300 at the locating part 100 top, support 200 is located the outside of battery package upper cover 400, bolster 300 is used for bearing automobile body floor 600, and bolster 300 possesses the deformation resilience, after this bearing structure installs, the battery package upper cover 400 is connected to bolster 100 and battery package roof beam body 500, keep battery package upper cover 400 assembly stability, and set gradually support 200 and bolster 300 on the bolster 100, provide the stable assembly basis of bolster 300 through support 200, support automobile body floor 600 through bolster 300, the problem of clearance between battery package upper cover 400 and automobile body floor 600 does not need to carry out filling type filling, and bolster 300 passes through support 200, bolster 100 and transmits automobile body floor 600, bearing stability has been improved, avoid influencing battery package upper cover 400 and battery package locating part structure, effectively improve the reliability, and utilize the deformation resilience that bolster 300 possesses, both can directly fill and compress on the upper cover and automobile body 600, can directly improve vehicle body performance to the NV, vehicle body 600 can be improved to the vehicle body, vehicle body performance is improved, vehicle body 600 can be directly to the vehicle body floor is improved to the vehicle body performance.

Further, as shown in fig. 1, on the basis of the above embodiment, the limiting member 100 is a bolt, the bolt includes a stem 102 penetrating through the upper cover 400 of the battery pack and being screwed to the beam 500 of the battery pack, and a head 101 for being pressed against the upper cover 400 of the battery pack, and the head 101 is pressed against the upper cover 400 of the battery pack, thereby maintaining a fast assembly and stable locking effect through the screwed connection of the stem 102, and maintaining reliable connection stability.

At the top of the limiting member 100, that is, at the end of the head 101 far away from the rod 102, an operation hole 103 adapted to the operation tool can be provided, and the battery pack upper cover 400 can be flexibly penetrated by the limiting member 100 and the battery pack beam 500 can be flexibly connected and fixed by matching the operation tool with the operation hole 103.

Further, on the basis of the above embodiment, the supporting member 200 is provided with a mounting space fastened on the head 101, so that the wrapping property of the supporting member 200 on the head 101 can be improved through the mounting space, and the supporting member 200 is prevented from being lifted up by the head 101, so as to keep the supporting member 200 having a stable assembling effect.

As shown in fig. 1, further, on the basis of the above embodiment, the middle portion of the supporting member 200 is provided with the first operation through hole 201, in the actual installation process, the limiting member 100 may be first installed on the battery pack upper cover 400, then the supporting member 200 is installed on the limiting member 100, in order to reduce the complexity of assembly, the supporting member 200 may also be directly preconnected with the limiting member 100, the connected limiting member 100 and the supporting member 200 may be assembled as a whole, and the first operation through hole 201 on the supporting member 200 is used to operate the tool to install the limiting member 100, thereby improving convenience.

Further, on the basis of the foregoing embodiment, the middle portion of the buffer 300 is provided with the second operation through hole 301, where the second operation through hole 301 is coaxially disposed with the first operation through hole 201, so that, in order to further reduce the assembly complexity, the support 200 may be directly pre-connected with the buffer 300, and the connected limiter 100, the support 200 and the buffer 300 may be assembled as a whole, and the first operation through hole 201 on the support 200 and the second operation through hole tool on the buffer 300 may be used to perform the installation operation on the limiter 100, thereby improving convenience, and also the assembly consistency of the support 200 and the buffer 300 may be further maintained by pre-installation.

As shown in fig. 1, further, on the basis of the above embodiment, the spacer 100 is provided with the grommet 104, one side of the grommet 104 is used for contacting the battery pack upper cover 400, and the other side is used for contacting the support 200, specifically, the grommet 104 may be disposed on the outer side of the head 101 or the stem 102 of the spacer 100, so as to increase the pressing area of the battery pack upper cover 400 without increasing the specification of the head 101, improve the fixing effect of the battery pack upper cover 400, and the other side of the grommet 104 may contact the vehicle body floor 600 with a larger surface contact, thereby providing a more stable supporting effect.

Further, on the basis of the above embodiment, the support member 200 and the buffer member 300 are adhered to each other, so that the pre-installation of the support member 200 and the buffer member 300 is facilitated, and the operation efficiency and convenience are improved.

In addition, other connection modes such as plugging or sleeving can be adopted between the supporting member 200 and the buffer member 300, so that higher operation efficiency and convenience can be obtained when the supporting member 200 and the buffer member 300 are pre-installed.

Further, based on the above embodiment, the supporting member 200 is made of plastic or nylon, so that a stable structural shape can be maintained, a stable supporting base can be provided for the buffer member 300, and lower weight and cost can be obtained.

Further, on the basis of the above embodiment, the cushioning member 300 is made of rubber, so that the cushioning member 300 is more easily deformed by compression, has stable restoring force and durability after repeated deformation, and supports the vehicle body floor 600 together with the supporting member 200, thereby achieving the supporting effect and providing the cushioning effect.

As shown in fig. 3 and fig. 4, on the basis of the foregoing embodiments, the present application further provides an automotive chassis, where the automotive chassis includes a vehicle body floor 600, a battery pack limiting member 700, a battery pack upper cover 400, a battery pack beam 500, and a plurality of supporting structures as described above, the battery pack limiting member 700 is installed under the vehicle body floor 600, a plurality of fastening connectors are equally distributed on the battery pack upper cover 400 and are disposed along the battery pack beam 500, and the limiting member 100 in each fastening connector fixes the battery pack upper cover 400 and the battery pack beam 500, and the buffer member 300 is supported under the vehicle body floor 600, and in this automotive chassis, other structures, connection relationships, installation positions, and the like of other devices except for the supporting structures and the associated components that adopt the technical aspects in the foregoing embodiments may be referred to in the related disclosure of the prior art, which is not described herein.

On the other hand, on the basis of the above embodiment, the present application further provides a vehicle, where the vehicle includes the above-mentioned vehicle chassis, and specifically, in this vehicle, except for the technical scheme of the above embodiment adopted by the vehicle chassis and the related components, the structure, connection relationship, installation position, etc. of other devices may refer to related disclosure in the prior art, and no description will be given here.

It should be appreciated that the terms first, second, etc. are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present utility model.

It should be understood that the term "and/or" is merely an association relationship describing the associated object, and means that three relationships may exist, for example, a and/or B may mean: the terms "/and" herein describe another associative object relationship, indicating that there may be two relationships, e.g., a/and B, may indicate that: the character "/" herein generally indicates that the associated object is an "or" relationship.

It should be understood that in the description of the present utility model, the terms "upper", "vertical", "inner", "outer", etc. indicate an orientation or a positional relationship in which the disclosed product is conventionally put in use, or an orientation or a positional relationship that is conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates to the contrary. It will be further understood that the terms "comprises," "comprising," "includes," "including" and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, and do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.

In the following description, specific details are provided to provide a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. In other embodiments, well-known processes, structures, and techniques may not be shown in unnecessary detail in order to avoid obscuring the example embodiments.

The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

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

Claims (10)

1. A support structure, the support structure comprising:

a supporting piece arranged between the battery pack upper cover and the vehicle body floor,

the limiting piece is arranged on the upper cover of the battery pack and is used for limiting the supporting piece;

and the buffer piece is arranged between the support piece and the vehicle body floor and is used for bearing the vehicle body floor, and the buffer piece is provided with deformation restoring force.

2. The support structure of claim 1, wherein: the limiting piece protrudes from the surface, facing the vehicle body floor, of the battery pack upper cover.

3. The support structure of claim 2, wherein: the support piece is provided with an installation space buckled on the limiting piece.

4. A support structure as claimed in claim 3, wherein: the middle part of the supporting piece is provided with a first operation through hole, and the limiting piece is arranged in the first operation through hole.

5. The support structure of claim 4, wherein: the middle part of the buffer piece is provided with a second operation through hole, and the second operation through hole and the first operation through hole are coaxially arranged.

6. The support structure of claim 1, wherein: and a backing ring is arranged on the limiting piece and is arranged between the supporting piece and the upper cover of the battery pack.

7. The support structure of claim 1, wherein: the support piece is connected with the buffer piece.

8. The support structure of claim 7, wherein: the supporting piece is adhered with the buffer piece.

9. An automotive chassis comprising a plurality of support structures as claimed in any one of claims 1 to 8.

10. A vehicle comprising the automotive chassis of claim 9.