Detachable battery cover plate

Abstract

The utility model relates to the technical field of batteries, and discloses a detachable battery cover plate which comprises a lithium ion battery body, a guide pin fixedly mounted at the top of the lithium ion battery body, and an assembly component arranged at the top of the lithium ion battery body, the assembling assembly comprises an assembling mechanism installed at the side position of the lithium ion battery body, a shearing mechanism is installed at the side position of the lithium ion battery body, the shearing mechanism comprises a sleeving block, the sleeving block is in contact with the top of the lithium ion battery body, a limiting block is fixedly installed on the side wall of the sleeving block, and the limiting block is in contact with the top of the lithium ion battery body. A sliding rod is slidably mounted on the inner wall of the limiting block, and a limiting plate is fixedly mounted at one end of the sliding rod. According to the utility model, the problems that in the prior art, part of lithium batteries are connected with other objects through guide pins when being used, the connection process is relatively tedious, and the existing lithium batteries have certain limitations when being used are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a detachable battery cover plate. Background Art

[0002] The battery cover plate is an important part of the new energy vehicle battery. It is not only used to wrap and protect the battery shell, but also plays the role of energy transmission and explosion-proof pressure relief. The lithium battery cover plate is usually composed of a variety of components, including cover plate, positive and negative electrode posts, liquid injection holes, explosion-proof valves and other structures, with precise and complex structures. With the rapid development of new energy vehicles, the design and materials of the battery cover plate are constantly innovated to improve safety and performance;

[0003] In the prior art, when some lithium batteries are in use, they are connected to other objects through guide pins, and the connection process is relatively cumbersome, resulting in certain limitations when the existing lithium batteries are in use. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a detachable battery cover plate to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a detachable battery cover plate, including a lithium-ion battery body,

[0006] Guide pins fixedly installed on the top of the lithium-ion battery body;

[0007] And an assembly component arranged at the top position of the lithium-ion battery body;

[0008] The assembly component includes an assembly mechanism installed on the side of the lithium-ion battery body;

[0009] A shearing mechanism is installed at the side position of the lithium-ion battery body.

[0010] Preferably, the number of the guide pins is two, and the shapes and sizes of the two guide pins are equal. The true negative electrodes of the lithium-ion battery are connected by the two guide pins.

[0011] Preferably, the shearing mechanism includes a socket block, the socket block is in contact with the top of the lithium-ion battery body, a limiting block is fixedly installed on the side wall of the socket block, a sliding rod is slidably installed inside the limiting block, a limiting plate is fixedly installed at one end of the sliding rod, a compression spring is fixedly installed on the side wall of the limiting plate, one end of the compression spring is fixedly connected to the side wall of the limiting block, a cutting blade is fixedly installed on the side wall of the limiting plate, and the side wall of the cutting blade is slidably connected to the inner wall of the socket block.

[0012] Preferably, a round hole is formed in the inner wall of the socket block, and the inner diameter of the round hole is the same as the side wall diameter of the guide pin. The side wall of the guide pin is slidably connected to the inner wall of the round hole.

[0013] Preferably, there are two cutting blades, and the two cutting blades are symmetrically arranged with respect to the middle plane in the left-right direction of the lithium-ion battery body.

[0014] Preferably, the assembly mechanism includes an insulating organic material part, which is installed on the top of the lithium-ion battery body. A first conductive component is in contact with the top of the insulating organic material part, and a second conductive component is in contact with the top of the insulating organic material part at a position. A cover plate is adhesively installed on the top of the insulating organic material part.

[0015] Preferably, the bottom of the cover plate is in contact with the top of the second conductive component, and the bottom of the cover plate is in contact with the bottom of the first conductive component. The inner wall of the insulating organic material part is slidably connected to the side wall of the guide pin.

[0016] The present utility model provides a detachable battery cover plate, which has the following beneficial effects:

[0017] (1) In the present utility model, an operator applies a conductive adhesive on the side wall of the insulating organic material part and installs the insulating organic material part on the top of the lithium-ion battery body. Then, the positions of the first conductive component, the second conductive component, and the cover plate are respectively adhered to the bottom of the lithium-ion battery body through the conductive adhesive, which is convenient for the operator to better use the device, and solves the problem that in the prior art, when some lithium batteries are used, they are connected to other objects through guide pins, and the connection process is relatively cumbersome, resulting in certain limitations when the existing lithium batteries are used.

[0018] (2) In the present utility model, the operator first installs the socket block on the top of the lithium-ion battery body, passes one end of the movable guide pin through the inner wall of the round hole, and then can simultaneously squeeze the limiting plates at both sides, so that the limiting plates drive the cutting blades to slide on the inner wall of the socket block, and the sliding rod slides on the inner wall of the limiting block. At this time, the compression spring is in a compressed state. When the cutting blade moves, it will quickly cut the side wall of the guide pin, which is convenient for the operator to better use the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic view of the external structure of the present utility model;

[0020] Figure 2 is a schematic connection diagram of the lithium-ion battery body and the shearing mechanism of the present utility model;

[0021] Figure 3Schematic cross-sectional structure diagram of the shearing mechanism of the present utility model;

[0022] Figure 4 Schematic connection diagram of the lithium-ion battery body and the guide pin of the present utility model;

[0023] Figure 5 Expanded schematic diagram of the assembly mechanism of the present utility model.

[0024] In the figure: 1. Lithium-ion battery body; 2. Guide pin; 4. Assembly component; 41. Assembly mechanism; 411. Insulating organic material part; 412. First conductive part; 413. Second conductive part; 414. Cover plate; 42. Shearing mechanism; 421. Socket block; 422. Cutting blade; 423. Compression spring; 424. Slide bar; 425. Limit block; 426. Limit plate. Detailed implementation manners

[0025] For a clearer understanding of the technical features, objectives, and effects of the present utility model, the detailed implementation manners of the present utility model are now described with reference to the accompanying drawings.

[0026] Embodiment 1

[0027] The preferred embodiment of the detachable battery cover plate provided by the present utility model is as Figures 1 to 5 shown: The detachable battery cover plate includes a lithium-ion battery body 1,

[0028] a guide pin 2 fixedly installed on the top of the lithium-ion battery body 1. There are two guide pins 2, and the shapes and sizes of the two guide pins 2 are equal. The true negative electrodes of the lithium-ion battery are connected through the two guide pins;

[0029] and an assembly component 4 arranged at the top position of the lithium-ion battery body 1;

[0030] The assembly component 4 includes an assembly mechanism 41 installed on the side of the lithium-ion battery body 1;

[0031] A shearing mechanism 42 is installed at the side position of the lithium-ion battery body 1.

[0032] The assembly mechanism 41 includes an insulating organic material part 411 installed on the top of the lithium-ion battery body 1. A first conductive part 412 is in contact with the top of the insulating organic material part 411, a second conductive part 413 is in contact with the top position of the insulating organic material part 411, and a cover plate 414 is adhesively installed on the top of the insulating organic material part 411.

[0033] In this embodiment, the bottom of the cover plate 414 is in contact with the top of the second conductive part 413, the bottom of the cover plate 414 is in contact with the bottom of the first conductive part 412, and the inner wall of the insulating organic material part 411 is slidably connected to the side wall of the guide pin 2.

[0034] In the specific implementation process, the operator applies a conductive adhesive on the side wall of the insulating organic material part 411, installs the insulating organic material part 411 on the top of the lithium-ion battery body 1, and then respectively bonds the positions of the first conductive component 412, the second conductive component 413, and the cover plate 414 through the conductive adhesive at the bottom of the lithium-ion battery body 1.

[0035] Among them, the material of the second conductive component 413 is copper, the material of the first conductive component 412 is nickel, the material of the insulating organic material part 411 is nylon, the connection between the second conductive component 413 and the first conductive component 412 and the guide pin is connected by tin plating, the material of the conductive adhesive is conductive resin, and the conductive adhesive is a room-temperature curing type conductive adhesive, so no heating is required and it cures at room temperature.

[0036] Embodiment 2

[0037] Based on Embodiment 1, the preferred embodiment of the detachable battery cover plate provided by the present utility model is as Figures 1 to 5 shown: The shearing mechanism 42 includes a socket block 421, the socket block 421 is in contact with the top of the lithium-ion battery body 1, a limiting block 425 is fixedly installed on the side wall of the socket block 421, a sliding rod 424 is slidably installed inside the limiting block 425, a limiting plate 426 is fixedly installed at one end of the sliding rod 424, a compression spring 423 is fixedly installed on the side wall of the limiting plate 426, one end of the compression spring 423 is fixedly connected to the side wall of the limiting block 425, a cutting blade 422 is fixedly installed on the side wall of the limiting plate 426, and the side wall of the cutting blade 422 is slidably connected to the inner wall of the socket block 421.

[0038] In this embodiment, a circular hole is formed in the inner wall of the socket block 421, and the inner diameter of the circular hole is the same as the side wall diameter of the guide pin 2, and the side wall of the guide pin 2 is slidably connected to the inner wall of the circular hole.

[0039] Furthermore, the number of the cutting blades 422 is two, and the two cutting blades 422 are symmetrically arranged with respect to the middle plane in the left-right direction of the lithium-ion battery body 1.

[0040] In the specific implementation process, the operator first installs the socket block 421 on the top of the lithium-ion battery body 1, passes one moving end of the guide pin 2 through the inner wall of the circular hole, and then can simultaneously squeeze the limiting plates 426 at both positions, causing the limiting plates 426 to drive the cutting blades 422 to slide on the inner wall of the socket block 421, causing the sliding rod 424 to slide on the inner wall of the limiting block 425. At this time, the compression spring 423 will be in a compressed state. When the cutting blade 422 moves, it will quickly cut the side wall of the guide pin.

[0041] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to the embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

[0042] As mentioned above, the above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A detachable battery cover plate, including a lithium-ion battery body (1), guide pins (2) fixedly installed on the top of the lithium-ion battery body (1); and an assembly component (4) arranged at the top position of the lithium-ion battery body (1); characterized in that: the assembly component (4) includes an assembly mechanism (41) installed on the side position of the lithium-ion battery body (1); a shearing mechanism (42) is installed at the side position of the lithium-ion battery body (1).

2. The detachable battery cover plate according to claim 1, wherein: The number of the guide pins (2) is two, and the shapes and sizes of the two guide pins (2) are equal.

3. The detachable battery cover plate according to claim 1, wherein: The shearing mechanism (42) includes a socket block (421), the socket block (421) is in contact with the top of the lithium-ion battery body (1), a limiting block (425) is fixedly installed on the side wall of the socket block (421), a sliding rod (424) is slidably installed inside the limiting block (425), a limiting plate (426) is fixedly installed at one end of the sliding rod (424), a compression spring (423) is fixedly installed on the side wall of the limiting plate (426), one end of the compression spring (423) is fixedly connected to the side wall of the limiting block (425), a cutting blade (422) is fixedly installed on the side wall of the limiting plate (426), and the side wall of the cutting blade (422) is slidably connected to the inner wall of the socket block (421).

4. The detachable battery cover plate according to claim 3, characterized in that: A round hole is formed in the inner wall of the socket block (421), and the inner diameter of the round hole is the same as the side wall diameter of the guide pin (2), and the side wall of the guide pin (2) is slidably connected to the inner wall of the round hole.

5. The detachable battery cover plate according to claim 4, wherein: The number of the cutting blades (422) is two, and the two cutting blades (422) are symmetrically arranged with respect to the middle plane in the left-right direction of the lithium-ion battery body (1).

6. The detachable battery cover plate according to claim 1, wherein: The assembly mechanism (41) includes an insulating organic material part (411), the insulating organic material part (411) is installed on the top of the lithium-ion battery body (1), a first conductive component (412) is in contact with the top of the insulating organic material part (411), a second conductive component (413) is in contact with the top position of the insulating organic material part (411), and a cover plate (414) is adhesively installed on the top of the insulating organic material part (411).

7. The detachable battery cover plate according to claim 6, wherein: The bottom of the cover plate (414) is in contact with the top of the second conductive component (413), the bottom of the cover plate (414) is in contact with the bottom of the first conductive component (412), and the inner wall of the insulating organic material part (411) is slidably connected to the side wall of the guide pin (2).

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