Electric vehicle lithium battery convenient to assemble

Abstract

The electric vehicle lithium battery convenient to assemble comprises an installation connecting frame, a protective shell is inserted into the surface of the inner ring of the installation connecting frame in a limiting mode, an insertion plate is fixedly connected to the surface of the inner ring of the protective shell, and a lithium battery body is inserted into the surface of the inner ring of the insertion plate in a limiting mode. And an output assembly is mounted on the surface of the side edge of the mounting connecting frame. According to the device, when a user needs to assemble a lithium battery, a protective shell needs to be inserted into a mounting connecting frame, then the user needs to screw a threaded rod, the threaded rod is limited through a nut, the user can connect the mounting connecting frame with the protective shell, and then the user needs to take down an upper cover plate from the protective shell; and after the user takes down the upper cover plate, the user can insert the lithium battery main body into the insertion plate, and after insertion, the upper cover plate is covered, so that the user can use, splice and mount the lithium battery.

Description

Technical Field

[0001] This utility model belongs to the field of electric vehicle lithium battery technology, specifically relating to an electric vehicle lithium battery that is easy to assemble. Background Technology

[0002] There are three main types of lithium batteries used in electric vehicles: ternary lithium batteries, lithium iron phosphate batteries, and lithium manganese oxide batteries. Among them, ternary lithium batteries have high capacity and long lifespan, but are more expensive and therefore less commonly used; lithium manganese oxide batteries are cheaper, but have a shorter lifespan and are also less commonly used; lithium iron phosphate batteries have a moderate price, moderate capacity, good durability, and high safety, and are widely used. The battery and motor configurations of electric vehicles are basically fixed, and 48V, 60V, or 72V batteries are selected according to requirements.

[0003] The existing technology has the following problems:

[0004] 1. Currently available electric vehicle lithium batteries that are easy to assemble are not convenient for users to assemble, requiring users to spend a lot of time assembling them, which affects the user's use of the lithium batteries.

[0005] 2. Currently available electric vehicle lithium batteries that are easy to assemble are not efficient enough when users need to perform maintenance, often requiring users to spend a lot of time on maintenance. Utility Model Content

[0006] The purpose of this invention is to provide an easy-to-assemble lithium battery for electric vehicles, addressing the problems mentioned in the background section.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an electric vehicle lithium battery that is easy to assemble, including a mounting frame, a protective shell that is inserted into the inner ring surface of the mounting frame, a plug-in plate that is fixedly connected to the inner ring surface of the protective shell, a lithium battery body that is inserted into the inner ring surface of the plug-in plate, an output assembly that is mounted on the side surface of the mounting frame, a limit plate that is fixedly connected to the side surface of the protective shell, a baffle that is snapped into the side surface of the limit plate, and a top cover plate that is inserted into the upper surface of the protective shell.

[0008] The upper surface of the cover plate has a heat dissipation opening. A fixing block is fixedly connected to the side surface of the mounting frame. A nut is limited and snapped onto the side surface of the fixing block. A threaded rod is limited and inserted into the inner ring surface of the nut. A mounting plate is fixedly connected to the side surface of the protective shell. A return spring is fixedly connected to the side surface of the mounting plate.

[0009] A plug-in block is fixedly connected to the side surface of the reset spring, a pull ring is installed on the side surface of the plug-in block, a connecting frame is fixedly connected to the side surface of the baffle, a conductive sleeve is fixedly connected to the side surface of the mounting connecting frame, and a positioning plate is fixedly connected to the bottom surface of the mounting connecting frame.

[0010] The present invention further illustrates that the inner surface of the protective shell is provided with a snap-fit ​​opening, and the size of the snap-fit ​​opening and the upper cover plate are matched.

[0011] Using the above technical solution, the matching snap-fit ​​opening between the top cover and the top cover facilitates the user's locking and snapping of the top cover.

[0012] The present invention further illustrates that the inner ring surface of the conductive sleeve is provided with a plug-in opening, and the plug-in opening and the output assembly are structurally compatible.

[0013] The above technical solution provides a convenient connection opening between the output assembly and the connector, allowing users to easily snap the output assembly into place.

[0014] The present invention further illustrates that a support plate is fixedly connected to the bottom surface of the mounting frame, and the support plate is symmetrically arranged with the vertical center line of the mounting frame as the axis of symmetry.

[0015] Using the above technical solution, the support plate symmetrically arranged with the vertical center line of the mounting frame as the axis of symmetry can facilitate the user in supporting the protective shell.

[0016] The present invention further illustrates that a limiting opening is provided on the inner ring surface of the connecting frame, and the limiting opening and the plug-in block are structurally compatible.

[0017] Using the above technical solution, the limiting opening in the solution, which is structurally compatible with the plug-in block, can limit and engage the plug-in block.

[0018] The present invention further explains that the upper surface of the positioning plate is provided with positioning openings, and the number of positioning openings is multiple.

[0019] The above technical solution provides a convenient way for users to connect and use the positioning plate with bolts.

[0020] This utility model further illustrates that the nut is connected between a fixing block and a mounting frame, and the fixing block is symmetrically arranged with the vertical center line of the nut as the axis of symmetry.

[0021] Using the above technical solution, the fixing blocks symmetrically arranged with the vertical center line of the nut as the axis of symmetry can facilitate users to stably install the nut on the mounting connection frame.

[0022] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0023] This utility model provides an electric vehicle lithium battery that is easy to assemble. Through the coordinated use of a mounting frame, tray, snap-fit ​​opening, limiting plate, output assembly, plug-in opening, top cover, heat dissipation opening, protective shell, fixing block, nut, threaded rod, pull ring, plug-in block, return spring, connecting frame, limiting opening, mounting plate, baffle, plug-in plate, lithium battery body, conductive sleeve, positioning plate, and positioning opening, it facilitates efficient assembly of the electric vehicle lithium battery. When assembling the lithium battery, the user inserts the protective shell into the mounting frame, then tightens the threaded rod. The nut limits the threaded rod, connecting the mounting frame and the protective shell. The user then removes the top cover from the protective shell, inserts the lithium battery body into the plug-in plate, and replaces the top cover. This allows for easy assembly and installation of the lithium battery, meeting the user's needs for convenient assembly.

[0024] This utility model provides an electric vehicle lithium battery that is easy to assemble. By setting a pull ring, after the user pulls the pull ring and removes the plug block from the connecting frame, the user can open the baffle along the protective shell. After opening the protective shell, the user can easily inspect and maintain the lithium battery body inside the protective shell, thus meeting the user's need for convenient maintenance. Attached Figure Description

[0025] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a top view of the structure of this utility model;

[0028] Figure 3 This is a top sectional view of the structure of this utility model;

[0029] Figure 4 This is the utility model Figure 1 Enlarged view of the structure at point A in the middle;

[0030] Figure 5 This is the utility model Figure 1 Enlarged view of the structure at point B in the middle.

[0031] In the diagram: 1. Mounting connection frame; 2. Support plate; 3. Mounting frame; 4. Limiting plate; 5. Output assembly; 6. Plug-in opening; 7. Top cover plate; 8. Heat dissipation opening; 9. Protective shell; 10. Fixing block; 11. Nut; 12. Threaded rod; 13. Pull ring; 14. Plug-in block; 15. Return spring; 16. Connecting frame; 17. Limiting opening; 18. Mounting plate; 19. Baffle; 20. Plug-in plate; 21. Lithium battery body; 22. Conductive sleeve; 23. Positioning plate; 24. Positioning opening. Detailed Implementation

[0032] The following detailed, non-limiting description of the present invention, in conjunction with preferred embodiments and accompanying drawings, is provided. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0033] Please see Figure 1-5 The present invention provides a technical solution: an electric vehicle lithium battery that is easy to assemble, including a mounting frame 1, a protective shell 9 that is inserted into the inner ring surface of the mounting frame 1, a plug plate 20 that is fixedly connected to the inner ring surface of the protective shell 9, a lithium battery body 21 that is inserted into the inner ring surface of the plug plate 20, an output assembly 5 that is mounted on the side surface of the mounting frame 1, a limit plate 4 that is fixedly connected to the side surface of the protective shell 9, and a baffle 19 that is snapped into the side surface of the limit plate 4.

[0034] In this embodiment, the inner surface of the protective shell 9 is provided with a snap-fit ​​opening 3, and the snap-fit ​​opening 3 and the upper cover plate 7 are matched in size. The snap-fit ​​opening 3, which is matched in size with the upper cover plate 7, can facilitate the user to snap the upper cover plate 7 into place.

[0035] like Figure 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: preferably, an upper cover plate 7 is inserted into the upper surface of the protective shell 9, a heat dissipation opening 8 is provided on the upper surface of the upper cover plate 7, and a fixing block 10 is fixedly connected to the side surface of the mounting frame 1.

[0036] In this embodiment, the inner ring surface of the conductive sleeve 22 is provided with a plug-in opening 6, and the plug-in opening 6 and the output assembly 5 are structurally compatible. The plug-in opening 6, which is structurally compatible with the output assembly 5, facilitates the user to use and snap the output assembly 5. The bottom surface of the mounting frame 1 is fixedly connected with a support plate 2, and the support plate 2 is symmetrically arranged with the vertical center line of the mounting frame 1 as the axis of symmetry. The support plate 2, which is symmetrically arranged with the vertical center line of the mounting frame 1 as the axis of symmetry, facilitates the user to support the protective shell 9.

[0037] like Figure 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, a nut 11 is fixedly engaged on the side surface of the fixing block 10, a threaded rod 12 is fixedly inserted into the inner ring surface of the nut 11, an mounting plate 18 is fixedly connected to the side surface of the protective shell 9, a return spring 15 is fixedly connected to the side surface of the mounting plate 18, an insertion block 14 is fixedly connected to the side surface of the return spring 15, a pull ring 13 is installed on the side surface of the insertion block 14, a connecting frame 16 is fixedly connected to the side surface of the baffle 19, a conductive sleeve 22 is fixedly connected to the side surface of the mounting connecting frame 1, and a positioning plate 23 is fixedly connected to the bottom surface of the mounting connecting frame 1.

[0038] In this embodiment, a limiting opening 17 is provided on the inner ring surface of the connecting frame 16, and the limiting opening 17 and the plug-in block 14 are structurally matched. The limiting opening 17, which is structurally matched with the plug-in block 14, can limit and lock the plug-in block 14 for use. The upper surface of the positioning plate 23 is provided with a positioning opening 24, and there are multiple positioning openings 24. The multiple positioning openings 24 make it convenient for the user to use bolts to connect the positioning plate 23. The nut 11 is connected to the mounting connecting frame 1 through the fixing block 10, and the fixing block 10 is symmetrically arranged with the vertical center line of the nut 11 as the axis of symmetry. The fixing block 10, which is symmetrically arranged with the vertical center line of the nut 11 as the axis of symmetry, makes it convenient for the user to stably install the nut 11 on the mounting connecting frame 1.

[0039] like Figure 1-5As shown, when the user needs to assemble the lithium battery, the protective shell 9 needs to be inserted into the mounting connection frame 1. Then, the user needs to turn the threaded rod 12. By limiting the threaded rod 12 with the nut 11, the user can connect the mounting connection frame 1 and the protective shell 9. Then, the user needs to remove the top cover 7 from the protective shell 9. After removing the top cover 7, the user can insert the lithium battery body 21 into the plug plate 20. After insertion, the top cover 7 is closed. In this way, the user can assemble and install the lithium battery. By pulling the pull ring 13 and removing the plug block 14 from the connection frame 16, the user can open the baffle 19 along the protective shell 9. After opening the protective shell 9, the user can easily inspect the lithium battery body 21 inside the protective shell 9.

[0040] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A lithium battery for electric vehicles that is easy to assemble, comprising a mounting frame (1), characterized in that: The inner ring surface of the mounting frame (1) is limited and inserted with a protective shell (9), and the inner ring surface of the protective shell (9) is fixedly connected with a plug plate (20). The inner ring surface of the plug plate (20) is limited to the insertion of the lithium battery body (21), the side surface of the mounting frame (1) is equipped with the output assembly (5), the side surface of the protective shell (9) is fixedly connected to the limiting plate (4), the side surface of the limiting plate (4) is limited to the snap-fit ​​of the baffle (19), the upper surface of the protective shell (9) is limited to the insertion of the upper cover plate (7), and the upper surface of the upper cover plate (7) is provided with a heat dissipation opening (8). A fixing block (10) is fixedly connected to the side surface of the mounting frame (1), a nut (11) is fixedly engaged on the side surface of the fixing block (10), a threaded rod (12) is fixedly inserted into the inner ring surface of the nut (11), an mounting plate (18) is fixedly connected to the side surface of the protective shell (9), a return spring (15) is fixedly connected to the side surface of the mounting plate (18), a plug-in block (14) is fixedly connected to the side surface of the return spring (15), a pull ring (13) is installed on the side surface of the plug-in block (14), a connecting frame (16) is fixedly connected to the side surface of the baffle (19), a conductive sleeve (22) is fixedly connected to the side surface of the mounting frame (1), and a positioning plate (23) is fixedly connected to the bottom surface of the mounting frame (1).

2. The electric vehicle lithium battery according to claim 1, characterized in that: The inner surface of the protective shell (9) is provided with a snap-fit ​​opening (3), and the snap-fit ​​opening (3) and the upper cover plate (7) are matched in size.

3. The electric vehicle lithium battery according to claim 1, characterized in that: The inner ring surface of the conductive sleeve (22) is provided with a plug-in opening (6), and the plug-in opening (6) and the output assembly (5) are structurally compatible.

4. The electric vehicle lithium battery according to claim 1, characterized in that: The bottom surface of the mounting frame (1) is fixedly connected to a support plate (2), and the support plate (2) is symmetrically arranged with the vertical center line of the mounting frame (1) as the axis of symmetry.

5. The electric vehicle lithium battery according to claim 1, characterized in that: The inner surface of the connecting frame (16) has a limiting opening (17), and the limiting opening (17) and the plug block (14) are structurally compatible.

6. The electric vehicle lithium battery according to claim 1, characterized in that: The upper surface of the positioning plate (23) is provided with positioning openings (24), and there are multiple positioning openings (24).

7. The electric vehicle lithium battery according to claim 1, characterized in that: The nut (11) is connected to the mounting frame (1) via a fixing block (10), and the fixing block (10) is symmetrically arranged with the vertical center line of the nut (11) as the axis of symmetry.

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