Connecting components and vehicles

Abstract

The present application discloses a connection assembly and a vehicle for connecting a vehicle frame and a battery pack, wherein the connection assembly includes: a first bracket assembly, including at least two first brackets with different lengths, the first bracket being used to connect the vehicle frame; a second bracket assembly, including at least two second brackets for connecting the battery pack, the second brackets being fixedly connected to the first brackets one-to-one, the length of the second brackets being the same as the length of the first brackets corresponding to the second brackets, and the cross-sectional shapes of the second brackets being the same. The connection assembly and the vehicle provided in the embodiment of the present application are provided with a second bracket adapted to the length of the first bracket for connecting the vehicle frame, the second bracket being used to connect the battery pack, and the second brackets having the same cross-sectional shapes. Second brackets of different lengths can be obtained by segmentation from a prefabricated structure of a full length, thereby adapting to the length size arrangement of the first bracket, and only one set of tooling needs to be developed, thereby reducing development costs.

Description

Technical Field

[0001] The present application relates to the technical field of special equipment, and in particular to a connection component and a vehicle. Background Art

[0002] With the development of new energy vehicle technology, the existing frame design adopts the solution of placing the battery pack in the middle of the frame, and the connection bracket between the battery pack and the frame usually adopts the solution of docking, that is, the installation brackets are respectively set at the battery end and the frame end, and then assembled together. The existing connection brackets are mostly bent and welded structures or stamped structures, and corresponding tooling or molds need to be developed for the battery end installation bracket and the frame end installation bracket respectively, which has a high investment cost. Utility Model Content

[0003] The embodiments of the present application provide a connection assembly and a vehicle, which only require the development of one set of tooling and can adapt to the needs of battery terminal mounting brackets of different specifications, thereby reducing development costs.

[0004] In the first aspect, according to an embodiment of the present application, a connection assembly is provided for connecting a vehicle frame and a battery pack, the connection assembly comprising: a first bracket assembly, comprising at least two first brackets with different length dimensions, the first bracket being used to connect the vehicle frame; a second bracket assembly, comprising at least two second brackets for connecting the battery pack, the second brackets being fixedly connected to the first brackets one-to-one, the length dimension of the second bracket being the same as the length dimension of the first bracket corresponding to the second bracket, and the cross-sectional shape structure of the second bracket being the same.

[0005] According to one aspect of an embodiment of the present application, the second bracket includes a main body and a protrusion arranged along the thickness direction of the main body, the second bracket is fixedly connected to the first bracket via the protrusion, and the main body is used to connect the battery pack.

[0006] According to one aspect of an embodiment of the present application, the second bracket is a tubular beam structure, the main body portion also includes a first tube wall, a first reinforcement rib and a first cavity formed by the first tube wall and the first reinforcement rib, and the protruding portion also includes a second tube wall, a second reinforcement rib and a second cavity formed by the second tube wall and the second reinforcement rib.

[0007] According to one aspect of an embodiment of the present application, the second bracket also includes a connecting portion, and the main body and the protruding portion are connected by the connecting portion; the connecting portion includes a third tube wall and a third chamber formed by the third tube wall, the first reinforcement rib and the second reinforcement rib.

[0008] According to one aspect of the embodiment of the present application, the main body portion and the protruding portion further include at least one third reinforcing rib, and the third reinforcing rib is disposed in the first cavity and the second cavity.

[0009] According to one aspect of the embodiments of the present application, the main body and the protrusion further include a through hole provided through the main body and the protrusion, the through hole being used for threaded connection with the battery pack, and the protrusion being threadedly connected with the first bracket through the through hole.

[0010] According to one aspect of an embodiment of the present application, the through holes located in the main body are fixedly connected by a third reinforcing rib to form a through-hole fixed structure, and / or the through holes located in the protruding portion are fixedly connected by a third reinforcing rib to form a through-hole fixed structure.

[0011] According to one aspect of an embodiment of the present application, the second bracket also includes a fourth reinforcing rib, which connects the protruding portion and the main body portion, and a portion of the first tube wall, a portion of the second tube wall and the fourth reinforcing rib enclose a fourth chamber.

[0012] In a second aspect, a vehicle is provided according to an embodiment of the present application, comprising: a frame; a battery pack, which is arranged on the frame, and a connecting assembly as described in any of the first aspect embodiments, wherein the frame is connected to the battery pack through the connecting assembly.

[0013] According to one aspect of the embodiment of the present application, a plurality of connection components are provided and are arranged on opposite sides of the frame along the width direction of the frame, and the battery pack is connected to the plurality of connection components with different lengths.

[0014] The connection assembly and vehicle provided in the embodiments of the present application are configured such that a second bracket having a length adapted to the first bracket for connecting to the vehicle frame is provided. The second bracket is used to connect the battery pack, and the second bracket has the same cross-sectional shape and structure. Second brackets of different lengths can be obtained by segmenting a prefabricated structure of a complete length, thereby adapting to the length arrangement of the first bracket. Only one set of tooling needs to be developed, thereby reducing development costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The features, advantages and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

[0016] Figure 1 is a structural schematic diagram of a connection component provided in an embodiment of the present application;

[0017] Figure 2 yes Figure 1 A schematic structural diagram of a cross section of the second bracket;

[0018] Figure 3 yes Figure 1 A schematic diagram of the structure of a partial enlargement of the structure of the A region in the middle;

[0019] Figure 4 It is a partial structural schematic diagram of a vehicle provided in an embodiment of the present application.

[0020] in:

[0021] 10-Connection components;

[0022] 2-first bracket assembly; 20-first bracket;

[0023] 3-second bracket assembly; 30-second bracket; 31-body; 32-protruding portion; 33-connecting portion;

[0024] 311-first tube wall; 312-first reinforcing rib; 313-first chamber;

[0025] 321 - second tube wall; 322 - second reinforcing rib; 323 - second chamber;

[0026] 331-third tube wall; 332-third chamber;

[0027] 301-third reinforcing rib; 302-through hole; 303-through hole fixed connection structure; 304-fourth reinforcing rib; 305-fourth chamber;

[0028] 40-battery pack;

[0029] 50-frame;

[0030] 100-Vehicles.

[0031] In the drawings, the same reference numerals are used for the same components. The drawings are not drawn to scale. DETAILED DESCRIPTION

[0032] The features and exemplary embodiments of various aspects of the present application will be described in detail below. In the detailed description below, many specific details are proposed to provide a comprehensive understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without the need for some of these specific details. The following description of the embodiments is only to provide a better understanding of the present application by illustrating examples of the present application. In the accompanying drawings and the following description, at least some of the known structures and technologies are not shown to avoid unnecessary ambiguity in the present application; and, for clarity, the size of some structures may be exaggerated. In addition, the features, structures or characteristics described below may be combined in one or more embodiments in any suitable manner.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or equipment. In the absence of more restrictions, the elements limited by the sentence "comprise..." do not exclude the existence of other identical elements in the process, method, article or equipment including the elements.

[0034] The directional words appearing in the following description are all directions shown in the figures, and do not limit the specific structure of this application. In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set" and "connect" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0035] See also Figure 1 An embodiment of the present application provides a connection assembly 10 for connecting a vehicle frame 50 and a battery pack 40 . The connection assembly 10 further includes a first bracket assembly 2 and a second bracket assembly 3 .

[0036] The first bracket assembly 2 includes at least two first brackets 20 with different lengths. The first brackets 20 are used to connect to the vehicle frame 50 .

[0037] The second bracket assembly 3 includes at least two second brackets 30 for connecting the battery pack 40. The second brackets 30 are fixedly connected to the first brackets 20 one-to-one. The length dimension of the second bracket 30 is the same as the length dimension of the corresponding first bracket 20, and the cross-sectional shape structure of the second bracket 30 is the same.

[0038] The connection assembly 10 and the vehicle 100 provided in the embodiment of the present application are provided with a second bracket 30 adapted to the length dimension of the first bracket 20 for connecting the vehicle frame 50. The second bracket 30 is used to connect the battery pack 40. The second bracket 30 has the same cross-sectional shape and structure. The second bracket 30 of different lengths can be obtained by dividing the prefabricated structure of the complete length, thereby adapting to the length dimension arrangement of the first bracket 20. Only one set of tooling needs to be developed, and the development cost is reduced.

[0039] Optionally, the first bracket 20 adopts a bent and welded structure, that is, the specific structure of the first bracket 20 includes a bent part for forming a main structure and welded parts arranged at intervals along the length direction of the bent part, and the welded parts are used to improve the overall torsional strength of the first bracket 20.

[0040] Since the connection methods between the connecting component 10 and the frame 50 include bolt connection and riveting, and during the actual operation of the vehicle 100, the frame 50 is the component that is mainly subjected to force and produces torsional deformation, the torsional strength requirements of the first bracket 20 directly connected to the frame 50 in the connecting component 10 are relatively high. Therefore, the design scheme of the first bracket 20 still adopts a bending and welding structure to ensure the design requirements of torsional strength.

[0041] Due to design requirements such as connection strength and balance, a single battery pack 40 needs to be connected to the frame 50 through the first bracket assembly 2 and the second bracket assembly 3. In the first bracket assembly 2 and the second bracket assembly 3, the lengths of the first bracket assembly 2 and the second bracket assembly 3 corresponding to the installation positions on different battery packs 40 are inconsistent in size between at least two first brackets 20, and the two second brackets 30 that are set one-to-one with the two inconsistent first brackets 20 are also inconsistent in size. For each first bracket 20 and the second bracket 30 in the first bracket assembly 2 and the second bracket assembly 3, it is necessary to develop a corresponding mold or tooling for production, and the tooling cost invested is relatively high.

[0042] In the actual assembly process, the main size difference between the first brackets 20 is reflected in the length dimension. The length dimension here should be understood as: after the first bracket 20 is connected to the frame 50, the length dimension of the first bracket 20 is the dimension along the setting direction of the longitudinal beam structure of the frame 50, or when the first bracket 20 is not assembled on the frame 50, the length dimension is the largest dimension among the three-dimensional dimensions of the first bracket 20. The length dimension should also be understood as: the specific direction in which the second brackets 30 in the second bracket assembly 3 can be assembled in sequence to restore the prefabricated structure of the previous complete length.

[0043] On the basis that the first bracket 20 still maintains the bent and welded structure, the second bracket 30 in the second bracket assembly 3 only has a different length dimension, and the length dimension is the same as the length dimension of the corresponding first bracket 20, and the cross-sectional shape structure between the second brackets 30 is the same.

[0044] In the actual production process, the second bracket 30 can be prefabricated in full length, and divided into second brackets 30 of different lengths according to the required lengths of different first brackets 20 in the first bracket assembly 2. Since the second bracket 30 is connected to the battery pack 40, the second bracket 30 of different lengths can be divided into prefabricated structures to meet the design requirements of torsional strength.

[0045] Optionally, during the assembly process of the connecting component 10 with the frame 50 and the battery pack 40, the first bracket 20 is first connected to the frame 50 and the second bracket 30 is assembled with the battery pack 40. Then, after the battery pack 40 is lifted into place, the second bracket 30 is connected to the first bracket 20.

[0046] See also Figure 1 In some embodiments, the second bracket 30 includes a main body 31 and a protrusion 32 arranged along the thickness direction of the main body 31. The second bracket 30 is fixedly connected to the first bracket 20 through the protrusion 32, and the main body 31 is used to connect the battery pack 40.

[0047] In these embodiments, the second bracket 30 is fixedly connected to the battery pack 40 and the first bracket 20 through the main body 31 and the protrusion 32 respectively, and the connection relationships do not interfere with each other.

[0048] Optionally, the second bracket 30 is connected to the battery pack 40 on one side of the main body 31, and a protrusion 32 is provided on the other side of the main body 31 opposite to the thickness direction, and the protrusion 32 is connected to the first bracket 20. The connection relationship between the first bracket 20 and the battery pack 40 and the second bracket 30 does not interfere with each other, thereby ensuring a stable connection.

[0049] Optionally, the protrusion 32 may also be disposed on the same side where the body 31 is connected to the battery pack 40 .

[0050] See also Figure 2 In some embodiments, the second bracket 30 is a tubular beam structure, the main body 31 also includes a first tube wall 311, a first reinforcing rib 312, and a first chamber 313 formed by the first tube wall 311 and the first reinforcing rib 312, and the protrusion 32 also includes a second tube wall 321, a second reinforcing rib 322, and a second chamber 323 formed by the second tube wall 321 and the second reinforcing rib 322.

[0051] In these embodiments, the second bracket 30 is a tubular beam structure, and the main body 31 and the protruding portion 32 also enclose the tubular beam structure to further enhance the connection strength of the second bracket 30 .

[0052] The tubular beam structure includes a tube wall and an inner chamber enclosed by the tube wall. It is suitable as a prefabricated structure for mass production. It is easy to divide it into structures of different lengths and sizes, and can meet certain torsional strength requirements.

[0053] The first reinforcing rib 312 and the second reinforcing rib 322 are connected to the inner wall of the second bracket 30 which is set as a tube beam structure. They can enclose part of the tube wall of the second bracket 30, namely the first tube wall 311 and the second tube wall 321 to form the first chamber 313 and the second chamber 323 respectively, while supporting the inner wall of the second bracket 30 to enhance the strength of the connection structure of the second bracket 30.

[0054] See also Figure 2 In some embodiments, the second bracket 30 further includes a connecting portion 33 , and the main body 31 and the protruding portion 32 are connected via the connecting portion 33 .

[0055] The connecting portion 33 includes a third tube wall 331 and a third chamber 332 enclosed by the third tube wall 331 , the first reinforcing rib 312 and the second reinforcing rib 322 .

[0056] In these embodiments, the main body portion 31 and the protruding portion 32 are connected via the connecting portion 33 , which further improves the structural integrity and the connection structure strength of the second bracket 30 .

[0057] See also Figure 2 In some embodiments, the main body 31 and the protruding portion 32 further include at least one third reinforcing rib 301 , and the third reinforcing rib 301 is disposed in the first cavity 313 and the second cavity 323 .

[0058] In these embodiments, third reinforcing ribs 301 are further disposed in the first chamber 313 and the second chamber 323 to further enhance the connection structural strength of the second bracket 30 .

[0059] See also Figure 3 In some embodiments, the main body 31 and the protrusion 32 further include a through hole 302 that passes through the main body 31 and the protrusion 32 , and the through hole 302 is used for threaded connection with the battery pack 40 , and the protrusion 32 is threadedly connected with the first bracket 20 through the through hole 302 .

[0060] In these embodiments, a through hole 302 penetrating the main body 31 and the protrusion 32 is provided on the protrusion 32 and the main body 31 , and the second bracket 30 is threadedly connected to the battery pack 40 and the first bracket 20 through the through hole 302 , so that the connection stability is better.

[0061] See also Figure 3In some embodiments, the through hole 302 located in the main body 31 is fixedly connected by the third reinforcing rib 301 to form a through hole fixing structure 303, and / or the through hole 302 located in the protruding portion 32 is fixedly connected by the third reinforcing rib 301 to form a through hole fixing structure 303.

[0062] In these embodiments, the third reinforcing rib 301 and the through hole 302 form a through hole fixing structure 303, and the third reinforcing rib 301 can support the periphery of the through hole 302, further improving the connection stability of the through hole 302 structure. The provision of the through hole fixing structure 303 can prevent the through hole 302 from being deformed, and after the bolt connection is formed, the bolts in the through hole 302 structure will not fail to connect due to the deformation of the through hole 302, resulting in accidental falling, etc.

[0063] Optionally, the third reinforcing rib 301 can be arranged in the same direction as the first reinforcing rib 312 and the second reinforcing rib 322. The third reinforcing rib 301 is connected to the through hole 302 in the direction of the left and right sides of the through hole 302 to form a through hole fixed structure 303. The prefabricated structure can be first divided into second brackets 30 of different lengths, and then the through hole 302 is formed at the specified position, thereby simplifying the process steps.

[0064] Optionally, the third reinforcing rib 301 can also be arranged in a vertical direction with the first reinforcing rib 312 and the second reinforcing rib 322. The third reinforcing rib 301 is connected to the through hole 302 in the upper and lower directions of the through hole 302 to form a through hole fixing structure 303. The through hole 302 is formed while producing the prefabricated structure.

[0065] Optionally, the third reinforcing rib 301 may also be formed between any two through holes 302 on the main body 31 or the protruding portion 32 , and may be designed and adjusted according to the actual strength of the through holes 302 at different positions, and may be flexibly adjusted according to strength design requirements.

[0066] See also Figure 2 In some embodiments, the second bracket 30 further includes a fourth reinforcing rib 304 , which connects the protruding portion 32 and the main body 31 , and a portion of the first tube wall 311 , a portion of the second tube wall 321 and the fourth reinforcing rib 304 enclose a fourth chamber 305 .

[0067] In these embodiments, the fourth reinforcing rib 304 is provided to further enhance the connection structural strength of the second bracket 30 .

[0068] Optionally, the first reinforcing rib 312, the second reinforcing rib 322 and the third reinforcing rib 301 are connected to one side of the first tube wall 311 and the second tube wall 321, and the fourth reinforcing rib 304 is connected to the other side opposite to the first tube wall 311 and the second tube wall 321, forming a new supporting structure between the main body 31 and the protruding portion 32, thereby further enhancing the connection structure strength of the second bracket 30.

[0069] See also Figure 4 In a second aspect, an embodiment of the present application further provides a vehicle 100, comprising a frame 50, a battery pack 40, and a connection assembly 10 as provided in any one of the first aspect embodiments.

[0070] The battery pack 40 is disposed on the vehicle frame 50 , and the vehicle frame 50 is connected to the battery pack 40 via a connecting assembly 10 .

[0071] Since the vehicle 100 provided in the embodiment of the present application includes the connection component 10 provided in any one of the first aspect embodiments described above, the vehicle 100 provided in the second aspect embodiment of the present application has the beneficial effects of the connection component 10 in any one of the first aspect embodiments described above, which will not be repeated here.

[0072] The vehicle 100 provided in the embodiment of the present application may be a logistics vehicle, an automated guided vehicle (AGV), a car, or other transportation devices with transportation capabilities.

[0073] The frame 50 is the main structure of the vehicle 100, which can have a variety of shapes, such as a plate structure, a box structure or a frame structure. In the present application, the vehicle 100 is not limited to being set according to the contour shape of the car, but can be set to a variety of shapes according to different usage requirements.

[0074] The battery pack 40 is the core power source of the new energy vehicle 100 and is composed of a plurality of battery cells, which are connected in series or in parallel to form a battery pack, and the battery pack is then assembled to form the final battery pack 40. The battery pack 40 also includes a battery management system (BMS), which is responsible for monitoring and protecting the battery pack 40 and ensuring the safety performance of the battery pack 40.

[0075] The vehicle 100 provided in the embodiment of the present application may further include other functional components, such as a control system, a power system, etc., and may further include a driving system, which may include wheels or tracks, etc.

[0076] See also Figure 4In some embodiments, the connecting assembly 10 is provided in plurality and is disposed on opposite sides of the frame 50 along the width direction of the frame 50 , and the battery pack 40 is connected to the plurality of connecting assemblies 10 having different lengths.

[0077] In these embodiments, the battery pack 40 is connected to a plurality of connection assemblies 10 having different lengths and sizes, and the battery pack 40 installs the connection assemblies 10 at different installation positions to meet design requirements such as connection strength and balance between the battery pack 40 and the vehicle frame 50 .

[0078] Although the present application has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present application. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there are no structural conflicts. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0079] Although the present application has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present application. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there are no structural conflicts. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A connection assembly for connecting a vehicle frame and a battery pack, characterized in that: The connection component comprises: A first bracket assembly includes at least two first brackets with different lengths, wherein the first brackets are used to connect to the vehicle frame; The second bracket assembly includes at least two second brackets for connecting the battery pack, the second brackets are fixedly connected to the first bracket one-to-one, the length dimension of the second bracket is the same as the length dimension of the first bracket corresponding to itself, and the cross-sectional shape structure of the second bracket is the same.

2. The connection assembly according to claim 1, characterized in that: The second bracket includes a main body and a protrusion arranged along the thickness direction of the main body. The second bracket is fixedly connected to the first bracket via the protrusion, and the main body is used to connect the battery pack.

3. The connection assembly according to claim 2, characterized in that: The second bracket is a tubular beam structure, the main body also includes a first tube wall, a first reinforcing rib and a first cavity formed by the first tube wall and the first reinforcing rib, and the protruding portion also includes a second tube wall, a second reinforcing rib and a second cavity formed by the second tube wall and the second reinforcing rib.

4. The connection assembly according to claim 3, characterized in that: The second bracket further includes a connecting portion, and the main body portion and the protruding portion are connected through the connecting portion; The connecting portion includes a third tube wall and a third chamber formed by the third tube wall, the first reinforcing rib and the second reinforcing rib.

5. The connection assembly according to claim 3, characterized in that: The main body and the protruding portion further include at least one third reinforcing rib, and the third reinforcing rib is disposed in the first cavity and the second cavity.

6. The connection assembly according to claim 5, characterized in that: The main body and the protruding portion further include a through hole that passes through the main body and the protruding portion, the through hole being used for being threadedly connected to the battery pack, and the protruding portion being threadedly connected to the first bracket via the through hole.

7. The connection assembly according to claim 6, characterized in that: The through holes located in the main body are fixedly connected by the third reinforcing ribs to form a through hole fixed connection structure, and / or, The through holes located at the protruding portion are fixedly connected by the third reinforcing ribs to form the through hole fixing structure.

8. The connection assembly according to any one of claims 3 to 7, characterized in that: The second bracket also includes a fourth reinforcing rib, which connects the protruding portion and the main body portion. Part of the first tube wall, part of the second tube wall and the fourth reinforcing rib enclose a fourth chamber.

9. A vehicle, characterized in that: include: Frame; A battery pack is arranged on the frame, and The connection assembly according to any one of claims 1 to 8, wherein the vehicle frame is connected to the battery pack via the connection assembly.

10. The vehicle according to claim 9, characterized in that The connecting components are provided in plurality and are arranged on two opposite sides of the frame along the width direction of the frame, and the battery pack is connected to the connecting components of different lengths.

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