Battery module for electric automobile

Abstract

The utility model provides a battery module for an electric automobile, and aims to solve the technical problem that the efficiency of assembling a battery rack on the conventional battery is low. The battery rack is used for assembling and limiting a battery and is formed by connecting a plurality of mounting frames from bottom to top; guide rail assemblies are oppositely arranged on the outer wall, close to the bottom end, of each mounting frame; the sliding plate is used for bearing a battery and is connected into the mounting frame in a sliding manner along the extension direction of the mounting frame; the two ends of the mounting column are in sliding connection with the mounting frame; the pulley matching guide rail assemblies are respectively mounted at two ends of the mounting column; a battery is arranged on the sliding plate, and the sliding plate drives the battery to be pushed into the mounting frame in the extending direction of the mounting frame through rolling of the sliding wheels on the guide rail assemblies. The batteries are borne through the sliding plate, and under the cooperation of the pulleys and the guide rail assembly, the batteries are sequentially parallel to the extending direction of the guide rail and are pushed into the mounting frame one by one to be assembled, so that the batteries are not prone to colliding with the battery rack in the manual pushing process, and the assembling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery module, in particular to a battery module for electric vehicle. BACKGROUND

[0002] The battery is one of the most critical assembly devices in electric vehicles, and high and long-lasting endurance has become a popular direction for the development of the battery. Considering the influence of the weight of the electric vehicle on its endurance, the battery module assembled in the electric vehicle cannot be too large, so during the assembly of the battery and the battery rack, the safety distance reserved between the frames of the battery rack for the assembly of the battery is usually small. In order to prevent the battery from being damaged by the battery rack, it is required that the technicians be particularly cautious in the assembly operation of the battery, so that the whole assembly process is time-consuming and laborious, and the efficiency is low. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above problems, the present application provides a battery module for electric vehicle, which comprises:

[0004] A battery rack for assembling and limiting the battery, which is composed of a plurality of installation frames connected from bottom to top; each installation frame is provided with a guide rail assembly on the outer wall near the bottom end thereof;

[0005] A plurality of sliding units are provided; each sliding unit comprises a sliding plate, an installation column and a pulley;

[0006] The sliding plate is used for carrying the battery and is slidably connected to the installation frame along the extension direction of the installation frame;

[0007] The installation column penetrates through the sliding plate, and its two ends are slidably connected to the installation frame;

[0008] The pulley is matched with the guide rail assembly and is respectively installed at the two ends of the installation column;

[0009] The battery is placed on the sliding plate, and the pulley rolls on the guide rail assembly to make the sliding plate with the battery advance into the installation frame along the extension direction of the installation frame.

[0010] Further, each installation frame is composed of a top plate, a bottom plate and a side plate group; the side plate group is arranged between the top plate and the bottom plate to limit the battery therein; the side plate group comprises a first side plate, a second side plate and a third side plate;

[0011] The first side plate and the second side plate are symmetrically arranged;

[0012] The third side plate is arranged between the first side plate and the second side plate; the third side plate is provided with a guide rail assembly on the outer wall near the bottom end thereof; and the third side plate is slidably connected with the sliding unit.

[0013] Further, the first side plate is provided with an access hole matching the bottom plate, for the access of the battery; the first side plate is provided with a first baffle plate matching the access hole.

[0014] Further, the inner wall of the second side plate is provided with a second baffle plate matching the battery; the second baffle plate and the first baffle plate cooperate to limit the movement of the battery pack along the extension direction of the mounting frame.

[0015] Further, the first baffle plate is composed of a first vertical plate, two mounting horizontal plates and a first limiting horizontal plate; the two mounting horizontal plates are respectively arranged on the side of the first vertical plate away from the second side plate; the first vertical plate is provided with a first limiting horizontal plate matching the battery on the top end of the side of the first vertical plate facing the second side plate, so that the first limiting horizontal plate and the first vertical plate are connected to the battery pack.

[0016] Further, the second baffle plate is composed of a second vertical plate and a second limiting horizontal plate; the second limiting horizontal plate is arranged on the top end of the side of the second vertical plate facing the first side plate, so that the second limiting horizontal plate and the second vertical plate are connected to the outer wall of the battery; the second limiting horizontal plate and the first baffle plate cooperate to limit the vertical movement of the battery pack.

[0017] Further, the third side plate is provided with a mounting hole; the third side plate is provided with a third baffle plate; the third baffle plate is arranged across the mounting hole, and its two ends are respectively mounted on the third side plate area outside the mounting hole, for the protection of the battery.

[0018] Further, the guide rail assembly includes a convex edge and a guide rail; the convex edge is arranged on the outer side wall of the third side plate close to the bottom end thereof, and the top end of the convex edge is provided with a guide rail parallel to the extension direction of the mounting frame connected thereto; the length of the guide rail is less than the length of the convex edge.

[0019] Further, at the bottom plate of each mounting frame, a second sliding groove matching the sliding plate is arranged starting from the first side plate and towards the second side plate; the second sliding groove is arranged parallel to the extension direction of the guide rail.

[0020] Further, the second sliding groove includes an upper groove part and a lower groove part;

[0021] The groove width of the upper groove part is matched with the width of the battery, so that the groove of the upper groove part limits the movement of the battery;

[0022] The lower groove part is provided with a sliding through hole matching the mounting column parallel to the groove side of the third side plate, for the sliding connection of the mounting column and the sliding through hole;

[0023] The lower groove part and the upper groove part are connected; the groove width of the lower groove part is less than the groove width of the upper groove part; the upper groove part is movably connected to the top end of the groove side of the lower groove part parallel to the third side plate.

[0024] Compared with the prior art, the utility model has the beneficial effects that:

[0025] Through the battery bearing slide plate, and in the process of rolling forward in cooperation with the guide rail, each battery is sequentially pushed into the corresponding position in the installation frame parallel to the extension direction of the guide rail to be assembled, avoiding the phenomenon that the battery is easily damaged by knocking the battery frame during manually pushing the battery into the small space installation frame, thereby reducing the safety hazard of the battery during the battery frame assembly process and improving the assembly efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0027] Fig. 1 A structural schematic diagram of a battery module for an electric vehicle according to an embodiment of the present application;

[0028] Fig. 2 A structural schematic diagram of a slide unit pushing a battery frame into a second sliding groove according to an embodiment of the present application;

[0029] Fig. 3 A side view schematic diagram of a mounting frame of a battery module for an electric vehicle according to an embodiment of the present application.

[0030] REFERENCE NUMERALS:

[0031] 10, top plate; 11, bottom plate; 110, lower groove portion; 1100, sliding through hole; 111, upper groove portion; 1110, groove along of lower groove portion parallel to third side plate; 12a, first side plate; 12b, second side plate; 12c, third side plate; 120, convex edge; 121, guide rail; 122, third baffle; 130, second vertical plate; 131, second limiting horizontal plate; 140, first vertical plate; 141, mounting horizontal plate; 142, first limiting horizontal plate;

[0032] 20, slide plate; 21, mounting column; 210, handle; 22, pulley;

[0033] 3, battery;

[0034] A, access hole. DETAILED DESCRIPTION

[0035] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different manners without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature and not restrictive.

[0036] In the description of the present application, it is to be understood by those skilled in the art that the orientation or positional relationship indicated by the terms "length", "width", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, or is the orientation or positional relationship commonly placed when the product of the present application is used, or is the orientation or positional relationship commonly understood by those skilled in the art, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0037] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0038] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] In the present application, unless otherwise specifically defined and limited, the first feature "above" or "below" the second feature can include the first and second features in direct contact, or the first and second features not in direct contact but in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0040] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0041] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0042] The embodiments of the present application provide a battery module for electric vehicles, please refer to Figs. 1-3 The battery module for electric vehicles comprises a battery rack and a sliding unit.

[0043] Specifically,

[0044] The battery rack is used for assembling the battery 3, which is composed of a plurality of mounting frames connected from bottom to top. Each mounting frame is composed of a top plate 10, a bottom plate 11 and a side plate group, which is arranged between the top plate 10 and the bottom plate 11. The outer side wall of the top plate and the outer side wall of the bottom plate can be respectively provided with a sliding rail, and a first sliding groove matched with the sliding rail is arranged on the inner wall of the car body of the electric vehicle, so that the battery rack is slidingly connected to the inner wall of the car body of the electric vehicle, facilitating the removal or assembly of the battery rack in the electric vehicle. The side plate group comprises a first side plate 12a, a second side plate 12b and a third side plate 12c. The first side plate 12a and the second side plate 12b are symmetrically arranged, wherein,

[0045] The first side plate 12a is matched with the bottom plate 11 and has an access hole A, so that the bottom end of the access hole A is flush with the bottom plate 11, and is used for the access of the battery 3. The first side plate 12a is provided with a first baffle matched with the access hole A, so that the first baffle blocks or opens the access hole A. The first baffle is composed of a first vertical plate 140, two mounting horizontal plates 141 and a first limiting horizontal plate 142, wherein the two mounting horizontal plates 141 are respectively arranged on the side of the first vertical plate away from the second side plate 12b, so that the mounting horizontal plates 141 can be bolted to the first side plate 12a. The first limiting horizontal plate 142 is arranged on the top end of the side of the first vertical plate facing the second side plate 12b, so that the first limiting horizontal plate 142 and the first vertical plate 140 are arranged on the outer wall of the battery.

[0046] The second side plate inner wall is provided with a second baffle matched with the battery 3, so that the second baffle is in contact with the battery 3. The second baffle is composed of a second vertical plate 130 and a second limiting transverse plate 131. The second limiting transverse plate 131 is arranged at the top end of the second vertical plate towards the first side plate 12a, so that the second limiting transverse plate 131 and the second vertical plate 130 are in contact with the outer wall of the battery.

[0047] When a group of batteries 3 is assembled in the mounting frame, the cooperation between the first limiting transverse plate 142 and the second limiting transverse plate 131 extends in the direction, so as to limit the movement of the battery group in the vertical direction. The first baffle is arranged at the first side plate 12a, and the cooperation between the first baffle and the second baffle of the mounting frame limits the movement of the battery group in the extending direction of the mounting frame.

[0048] The third side plate 12c is arranged between the first side plate 12a and the second side plate 12b. The third side plate 12c is provided with a mounting hole, and the third side plate 12c is provided with a third baffle 122 arranged across the mounting hole and arranged at the third side plate region outside the mounting hole at both ends thereof for protecting the battery 3. The third baffle 122 and the third side plate 12c can be connected by bolts. The outer side wall of each third side plate 12c close to the bottom end thereof is provided with a guide rail assembly, which includes a protruding edge 120 and a guide rail 121. The protruding edge 120 is arranged at the outer side wall of the third side plate 12c close to the bottom end thereof, and the guide rail 121 is arranged at the top end of the protruding edge 120 and parallel to the extending direction of the mounting frame connected therewith. The length of the guide rail 121 is less than the length of the protruding edge 120.

[0049] At the bottom plate 11 of each mounting frame, a second sliding groove is arranged starting from the first side plate 12a of the mounting frame and towards the second side plate, and the second sliding groove is arranged parallel to the extending direction of the guide rail. Preferably, the second sliding groove includes an upper groove portion 111 and a lower groove portion 110, and the upper groove portion 111 and the lower groove portion 110 are communicated. The groove along of the upper groove portion is movably connected to the top end of the groove along of the lower groove portion parallel to the groove along of the third side plate 1110, so that the groove along of the upper groove portion can be disassembled or assembled from the groove along of the lower groove portion. The groove width of the upper groove portion 111 is matched with the width of the battery, so that the groove along of the upper groove portion limits the movement of the battery 3. The groove width of the upper groove portion 111 is greater than the groove width of the lower groove portion 110, so that the whole second sliding groove has an inverted "convex" structure. The sliding through hole 1100 is arranged at the two groove along of the lower groove portion parallel to the third side plate.

[0050] The sliding unit is provided with a plurality of sliding units, each of which includes a sliding plate 20, a mounting column 21 and a pulley 22. The both ends of the mounting column are penetrated through the sliding plate 20 and exposed outside the sliding plate, and used to connect the pulley 22.

[0051] The top surface of the slide plate 20 is used to carry the battery 3, and the slide plate 20 is matched and slidably connected to the second sliding groove, so that the slide plate 20 can slide along the extension direction of the second sliding groove. The mounting column 21 penetrates through the slide plate 20 by matching the sliding through hole 1100, so that the end of the mounting column 21 exposed outside the slide plate can pass through the sliding through hole 1100. The mounting column 21 is rotationally connected with the slide plate 20. The pulley 22 is installed on the end of the mounting column 21 exposed to the sliding through hole by matching the guide rail 121, so that the rolling of the pulley 22 on the guide rail 121 can drive the slide plate 20 to slide along the extension direction of the second sliding groove. In order to facilitate the rolling of the pulley 22, the handle 210 is movably connected to the end of the mounting column.

[0052] Based on the above embodiment, the working principle of the application is:

[0053] After the slide plate 20 carrying the battery 3 is pushed into the second sliding groove through the exit hole A of the first side plate 12a, the two ends of the mounting column are penetrated through the sliding through hole 1100, and the pulley 22 is connected respectively, the slide plate 20 is driven to move towards the direction close to the second side plate by the rolling of the pulley 22 along the guide rail 121, until the side of the slide plate abuts against the groove side of the second sliding groove and the second baffle. Subsequent batteries 3 are placed on the corresponding slide plates and pushed into the second sliding groove in the above-mentioned manner until the battery assembly in one mounting frame is completed. The first baffle is installed at the first side plate 12a, and the cooperation between the side plate group, the bottom plate 11 and the top plate 10 encloses the battery group in one mounting frame.

[0054] Based on the above embodiment, the advantages of the application are:

[0055] By carrying the battery 3 through the slide plate 20, and in the process of advancing by the rolling of the pulley 22 cooperating with the guide rail 121, each battery 3 is sequentially pushed into the corresponding position in the mounting frame parallel to the extension direction of the guide rail for assembly, avoiding the phenomenon that the battery is easily damaged by being knocked by the battery holder in the process of manually pushing the battery 3 into the small space mounting frame, reducing the safety hidden danger of the battery in the process of assembling the battery holder, and improving the assembly efficiency.

Claims

1. A battery module for an electric vehicle, characterized by, It includes: Battery rack, for the assembly and limit of battery, by a plurality of installation frame from bottom to top connected; Each installation frame near its bottom end of the outer wall to set guide rail assembly; Sliding unit, provided with a plurality; Each of the sliding unit includes a slide plate, a mounting column and a pulley; The slide plate is used for carrying the battery, and is slidably connected in the installation frame along the extension direction of the installation frame; The mounting column penetrates the slide plate, and its two ends are slidably connected with the installation frame; The pulley is matched with the guide rail assembly and is respectively installed at the two ends of the mounting column; Place the battery on the slide plate, and roll the pulley on the guide rail assembly to make the slide plate with the battery advance along the extension direction of the installation frame into the installation frame.

2. The battery module for an electric vehicle according to claim 1, characterized by: Each installation frame is composed of a top plate, a bottom plate and a side plate group; The side plate group is arranged between the top plate and the bottom plate to limit the battery therein; The side plate group includes a first side plate, a second side plate and a third side plate; The first side plate and the second side plate are symmetrically arranged; The third side plate is arranged between the first side plate and the second side plate; The third side plate is provided with a guide rail assembly near the outer wall of its bottom end; The third side plate is slidably connected with the sliding unit.

3. The battery module for an electric vehicle according to claim 2, characterized by: The first side plate is provided with an access hole matched with the bottom plate, which is used for the access of the battery; The first side plate is provided with a first baffle matched with the access hole.

4. The battery module for an electric vehicle according to claim 3, characterized by: The inner wall of the second side plate is provided with a second baffle matched with the battery; The second baffle and the first baffle cooperate to limit the movement of the battery pack along the extension direction of the installation frame where the battery is located.

5. The battery module for an electric vehicle according to claim 3, characterized by: The first baffle is composed of a first vertical plate, two installation horizontal plates and a first limiting horizontal plate; Two installation horizontal plates are respectively arranged on the side of the first vertical plate away from the second side plate; The first limiting horizontal plate matched with the battery is arranged at the top end of the side of the first vertical plate facing the second side plate, so that the first limiting horizontal plate and the first vertical plate are arranged on the outer wall of the battery pack.

6. The battery module for an electric vehicle of claim 4, wherein: The second baffle is composed of a second vertical plate and a second limiting horizontal plate; The second limiting horizontal plate is arranged at the top end of the side of the second vertical plate facing the first side plate, so that the second limiting horizontal plate and the second vertical plate are arranged on the outer wall of the battery; The second limiting horizontal plate and the first baffle cooperate to limit the vertical movement of the battery pack.

7. The battery module for an electric vehicle of claim 2, wherein: The third side plate is provided with a mounting hole; The third side plate is provided with a third baffle; The third baffle is arranged across the mounting hole, and its two ends are respectively arranged in the third side plate area outside the mounting hole, which is used for the protection of the battery.

8. The battery module for an electric vehicle of claim 2, wherein: The guide rail assembly includes a convex edge and a guide rail; The convex edge is arranged on the outer wall of the third side plate near its bottom end, and the top end of the convex edge is provided with a guide rail parallel to the extension direction of the installation frame connected therewith; The length of the guide rail is less than the length of the convex edge.

9. The battery module for an electric vehicle of claim 8, wherein: At the bottom plate of each installation frame, a second sliding groove matched with the slide plate is arranged from the first side plate to the direction close to the second side plate; The second sliding groove is arranged parallel to the extension direction of the guide rail.

10. The battery module for an electric vehicle of claim 9, wherein: The second sliding groove includes an upper groove part and a lower groove part; The slot width of the upper groove part is matched with the width of the battery, so that the slot of the upper groove part limits the movement of the battery; The two groove along of the lower groove part parallel to the third side plate respectively open sliding through hole matched with the mounting column, so as to realize the sliding connection between the mounting column and the sliding through hole. The lower groove part and the upper groove part are communicated; the groove width of the lower groove part is less than the groove width of the upper groove part; and the groove along of the upper groove part parallel to the third side plate is movably connected to the top end of the groove along of the lower groove part parallel to the third side plate.

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