A power battery cover assembly and its power battery

Abstract

This utility model discloses a power battery cover assembly and its power battery, including a cover assembly structure for top protection of the power battery structure. The cover assembly structure includes a cover plate with a hinged flip-up docking plate at its rear end, a bonding frame fixedly connected to the front end of the cover plate, and a first fastening screw threaded onto the bonding frame. A power connection post is disposed through the cover plate, and its lower end is fixedly connected to a plug-in plate. A folding plate is fixedly connected to the plug-in plate, which is fixed within a ceramic sheet. Side plates are fixedly connected to the sides of the ceramic sheet and the plug-in plate, with their upper ends fixedly connected to the cover plate. A second fastening screw is threaded onto the side end of the side plate. This utility model provides a power battery cover assembly and its power battery, achieving the purpose of power battery protection through structural design.

Description

Technical Field

[0001] This utility model relates to the field of power battery equipment technology, specifically to a power battery cover assembly and its power battery. Background Technology

[0002] As the power source for new energy vehicles, the power battery is a core component of electric vehicles. The main structure of a power battery includes the battery cell, the battery casing, and the cover assembly. The battery casing protects the battery cell, while the cover assembly serves to relieve pressure, prevent explosions, and conduct current.

[0003] The current power battery cover assembly and its power battery cannot provide efficient protection for the battery electrodes, and are not conducive to rapid connection and protection. Utility Model Content

[0004] The purpose of this utility model is to provide a power battery cover assembly and its power battery to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a power battery cover assembly, including a cover assembly structure, the cover assembly structure being used for top protection of the power battery structure;

[0006] The cover plate assembly structure includes a cover plate, a hinged flip-up docking plate at the rear end of the cover plate, a bonding frame fixedly connected to the front end of the cover plate, a first fastening screw threaded onto the bonding frame, a power connection post that is through the cover plate, and a lower end of the power connection post that is fixedly connected to a plug-in plate, a folding plate fixedly connected to the plug-in plate, the plug-in plate being fixedly fixed inside a ceramic sheet, a side plate fixedly connected to the side ends of the ceramic sheet and the plug-in plate, the upper end of the side plate being fixedly connected to the cover plate, and a second fastening screw threaded onto the side end of the side plate.

[0007] Specifically, the upper end of the folding plate is fixedly connected to the cover plate, and the flip-and-connect plate is provided with threaded holes.

[0008] Specifically, the folding plate adopts a V-shaped structure design.

[0009] The power battery structure includes a casing and a battery. The battery is fixedly installed inside the casing, and a central frame is fixedly installed at the upper end of the casing for fixing the battery.

[0010] Specifically, the battery has a positive electrode on one side and a negative electrode on the other side. Both the negative and positive electrodes are fitted with protective pads, and the rear end of the protective pads is provided with a retainer.

[0011] Specifically, the side plate is fixed to the side end of the housing by the second fastening screw, the flip-connecting plate is fixed to the rear end of the housing by screws, the bonding frame is fixed to the front end of the housing by the first fastening screw, and the plug-in plate is inserted into and limited by the positive electrode plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] The cover plate assembly structure is used for top protection of the power battery structure. The flip-top docking plate can rotate on the cover plate and is then fixed to the casing with screws. The side plate is also fixed to the casing with a second fastening screw. The bonding frame is fixed to the casing with a first fastening screw, thereby fixing the cover plate assembly structure and the power battery structure. The plug-in plate is set to plug into the positive electrode plate, and the plug-in plate on the other side is set to plug into the negative electrode plate for docking and conductivity. The plug-in plate is connected to the grounding post for conductivity and connection with the outside. The plug-in plate is connected to the cover plate through a folding plate, which can strengthen the protective structure and provide support and protection. Ceramic plates are set on the plug-in plate for isolation and protection. The center frame and the abutment frame can dock with the plug-in plate and ceramic plates to restrict and quickly plug in, thus achieving bottom support. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0015] Figure 2 This is an exploded view of the main body of this utility model;

[0016] Figure 3 This is a perspective view of the cover plate assembly structure of this utility model;

[0017] Figure 4 This is an exploded view of the cover plate assembly structure of this utility model;

[0018] Figure 5 This is a perspective view of the power battery structure of this utility model.

[0019] In the diagram: 1-Cover plate assembly structure; 2-Power battery structure; 3-Cover plate; 4-Connecting post; 5-Attaching frame; 6-First fastening screw; 7-Side plate; 8-Second fastening screw; 9-Ceramic sheet; 10-Folding plate; 11-Plug-in plate; 12-Flip-over docking plate; 13-Negative electrode sheet; 14-Center frame; 15-Support frame; 16-Positive electrode sheet; 17-Protective pad; 18-Battery; 19-Casing. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-5 The present invention provides a technical solution: a power battery cover assembly, including a cover assembly structure 1, which is disposed on the top of the power battery 2 for top protection of the power battery structure 2.

[0022] The cover plate assembly structure 1 includes a cover plate 3. The rear end of the cover plate 3 is hinged to a flip-up docking plate 12. The front end of the cover plate 3 is fixedly connected to a bonding frame 5. A first fastening screw 6 is threaded onto the bonding frame 5. A power connection post 4 is disposed through the cover plate 3, and the lower end of the power connection post 4 is fixedly connected to a plug-in plate 11. A folding plate 10 is fixedly connected to the plug-in plate 11. The plug-in plate 11 is fixed inside a ceramic sheet 9. A side plate 7 is fixedly connected to the side ends of the ceramic sheet 9 and the plug-in plate 11. The upper end of the side plate 7 is fixedly connected to the cover plate 3. A second fastening screw 8 is threaded onto the side end of the side plate 7. The cover plate assembly structure 1 is installed to protect the top of the power battery structure 2. The flip-out docking plate 12 can rotate on the cover plate 3 and is then fixed to the housing 19 with screws. The side plate 7 is also fixed to the housing 19 with the second fastening screw 8. The bonding frame 5 is fixed to the housing 19 with the first fastening screw 6, thereby fixing the cover plate assembly structure 1 and the power battery structure 2. The plug-in plate 11 is plugged into the positive electrode plate 16, and the plug-in plate 11 on the other side is plugged into the negative electrode plate 13 for conductive docking. The plug-in plate 11 is connected to the grounding post 4 for conductive docking with the outside world. The plug-in plate 11 is connected to the cover plate 3 through the folding plate 10, which can strengthen the protective structure and provide support and protection. The plug-in plate 11 is provided with ceramic plate 9 for isolation and protection. The center frame 14 and the abutment frame 15 can dock with the plug-in plate 11 and the ceramic plate 9 to restrict docking and perform quick docking, thereby achieving bottom support.

[0023] The upper end of the folding plate 10 is fixedly connected to the cover plate 3, and the flip-and-connect plate 12 is provided with threaded holes.

[0024] The folding plate 10 adopts a V-shaped structure design.

[0025] The power battery, power battery structure 2 includes a casing 19 and a battery 18. The battery 18 is fixedly installed inside the casing 19. A central frame 14 is fixedly installed at the upper end of the casing 19 for fixing the battery 18. The battery 18 is placed into the casing 19, and then the central frame 14 is fixed to the casing 19 with screws to limit and fix the battery 18. A retainer 15, a positive electrode plate 16, and a protective pad 17 are provided on the battery 18. The protective pad 17 protects the edge of the positive electrode plate 16. The retainer 15 is provided for docking and supporting the cover plate assembly structure 1. The user pushes the cover plate assembly structure 1 in, at which time the ceramic The sheet 9, the plug-in plate 11, and the cover plate 3 are pushed to the designated positions. At this time, the positive electrode sheet 16 is plugged into the plug-in plate 11, and the abutment 15 contacts the ceramic sheet 9. Then, the side plate 7 is fixed to the housing 19 by the second fastening screw 8, and the bonding frame 5 is also fixed to the housing 19 by the first fastening screw 6. Then, the flip-over docking plate 12 is flipped and fixed to the housing 19 by screws, realizing the limiting installation of the cover plate assembly structure 1 and the power battery structure 2. At this time, the terminal 4 at the upper end of the plug-in plate 11 can conduct electricity. Through the connection of the terminal 4 on both sides, the circuit is connected to achieve the power supply task.

[0026] A positive electrode plate 16 is provided on one side of the battery 18, and a negative electrode plate 13 is provided on the other side of the battery 18. A protective pad 17 is fitted on both the negative electrode plate 13 and the positive electrode plate 16, and a retainer 15 is provided at the rear end of the protective pad 17.

[0027] The side plate 7 is fixed to the side end of the housing 19 by the second fastening screw 8, the flip-connecting plate 12 is fixed to the rear end of the housing 19 by screws, the bonding frame 5 is fixed to the front end of the housing 19 by the first fastening screw 6, and the plug-in plate 11 is plugged into and limited to the positive electrode plate 16.

[0028] Working principle: When needed, the user places the battery 18 into the housing 19, and then fixes the center frame 14 to the housing 19 with screws to limit and fix the battery 18. The battery 18 is provided with a retainer 15, a positive electrode plate 16, and a protective pad 17. The protective pad 17 protects the edge of the positive electrode plate 16. The retainer 15 is used for docking support of the cover plate assembly structure 1. The user pushes the cover plate assembly structure 1 in, at which time the ceramic plate 9, the plug plate 11, and the cover plate 3 are pushed to the designated position, and the positive electrode plate 16 is then in place. 6 is inserted into the plug plate 11, the abutment 15 contacts the ceramic plate 9, and then the side plate 7 is fixed to the housing 19 by the second fastening screw 8. The fitting frame 5 is also fixed to the housing 19 by the first fastening screw 6. Then the flip-over docking plate 12 is flipped and fixed to the housing 19 by screws, realizing the limited installation of the cover plate assembly structure 1 and the power battery structure 2. At this time, the power terminal 4 at the upper end of the plug plate 11 can conduct electricity. Through the connection of the power terminals 4 on both sides, the circuit is connected to achieve the power supply task and complete the work.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A power cell cover plate assembly for protection of a power cell structure (2), characterized in that: Includes a cover plate assembly structure (1), which is disposed on top of the power battery structure (2); The cover plate assembly structure (1) includes a cover plate (3), a flip-up docking plate (12) is hinged at the rear end of the cover plate (3), a bonding frame (5) is fixedly connected to the front end of the cover plate (3), a first fastening screw (6) is threaded on the bonding frame (5), a folding plate (10) is fixedly connected to the plug plate (11), the plug plate (11) is fixed inside the ceramic sheet (9), a side plate (7) is fixedly connected to the side ends of the ceramic sheet (9) and the plug plate (11), the upper end of the side plate (7) is fixedly connected to the cover plate (3), and a second fastening screw (8) is threaded on the side end of the side plate (7). A positive electrode plate (16) is provided on one side of the battery (18), and a negative electrode plate (13) is provided on the other side of the battery (18). A protective pad (17) is used to protect the edge of the positive electrode plate (16). The bonding frame (5) is fixed to the front end of the casing (19) by the first fastening screw (6), and the plug plate (11) is inserted into the positive electrode plate (16) for a limited position.

2. The power cell cover plate assembly of claim 1, wherein: The upper end of the folding plate (10) is fixedly connected to the cover plate (3), and the flip-and-connect plate (12) is provided with threaded holes.

3. The power cell cover plate assembly of claim 2, wherein: The folding plate (10) adopts a V-shaped structure design.

4. A power cell employing a power cell cover assembly as claimed in claim 3, characterized in that: The power battery structure (2) includes a casing (19) and a battery (18). The battery (18) is fixedly installed inside the casing (19), and a central frame (14) is fixedly installed at the upper end of the casing (19) for fixing the battery (18).

5. The power battery according to claim 4, characterized in that: Both the negative electrode (13) and the positive electrode (16) are fitted with protective pads (17), and the rear end of the protective pads (17) is provided with a retainer (15).

6. The power battery according to claim 5, characterized in that: The side plate (7) is fixed to the side end of the casing (19) by the second fastening screw (8), and the flip-out docking plate (12) is fixed to the rear end of the casing (19) by screws.

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