Protective cover for lithium battery

Abstract

The utility model discloses a protective cover for a lithium battery. The protective cover comprises a fixed bottom plate, the bottom of the pneumatic mechanism is fixedly connected with the top of the fixed bottom plate, the pneumatic mechanism comprises a fixed box, an air cylinder, a working rod and a U-shaped plate, the air cylinder is fixedly connected to the left side of the inner wall of the fixed box, the working rod is fixedly connected to the right side of the air cylinder, and the U-shaped plate is fixedly connected to the right side of the working rod; the surface of the fixing mechanism is in sliding connection with the inner side of the U-shaped plate, and the fixing mechanism comprises a first fixing plate, a second fixing plate, a third fixing plate, a U-shaped clamp, a rectangular plate and a lithium battery body. The air cylinder drives the working rod to move leftwards, the working rod moves leftwards to drive the U-shaped plate to move leftwards, the U-shaped plate moves leftwards to drive the first fixing plate, the second fixing plate, the third fixing plate, the U-shaped clamp, the rectangular plate and the lithium battery body to move, and the service life of the lithium battery is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a protective cover for lithium batteries. Background Art

[0002] Lithium battery is a kind of battery that uses lithium metal or lithium alloy as positive and negative electrode materials and non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have become mainstream, and their safety, specific capacity, self-discharge rate and performance-price ratio are all better than lithium-ion batteries.

[0003] Patent announcement number: CN113314799B, the present invention discloses a lithium battery, belonging to the field of lithium battery technology. A lithium battery, comprising: a lithium battery, and also comprising: an explosion-proof mechanism, a spherical mechanism, the spherical mechanism is installed on the explosion-proof mechanism, the explosion-proof mechanism is installed on the lithium battery, when the lithium battery generates abnormal gas, resulting in excessive pressure inside the battery, the U-shaped plates on both sides move up to squeeze the second spring, one leg of the U-shaped plate squeezes the inclined surface of the second movable plate, so that the second movable plate squeezes the first spring, so that the arc plate enters the arc hole, the U-shaped plate continues to move up, so that the fifth movable plate is moved into the first square hole by the fourth spring, so that the inner cavity of the lithium battery is connected with the first through hole, the second through hole, the third through hole, the through hole, and the air outlet, so it is connected with the outside world, and the abnormal gas leaks out, avoiding lithium battery failure or even explosion.

[0004] However, during the use of existing lithium batteries, there is no effective protection during charging, which causes the lithium batteries to be easily damaged by external forces during charging, thereby reducing the service life of the lithium batteries. Therefore, a protective cover for lithium batteries is proposed to address the above problems. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide a protective cover for a lithium battery, which has the advantage of charging protection and solves the problem that the lithium battery is easily damaged by external forces during charging.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a protective cover for a lithium battery, comprising:

[0007] Fixed bottom plate;

[0008] A pneumatic mechanism, wherein the bottom of the pneumatic mechanism is fixedly connected to the top of the fixed bottom plate, and the pneumatic mechanism comprises a fixed box, a cylinder, a working rod and a U-shaped plate, wherein the left side of the inner wall of the fixed box is fixedly connected to the cylinder, the right side of the cylinder is fixedly connected to the working rod, and the right side of the working rod is fixedly connected to the U-shaped plate;

[0009] A fixing mechanism, wherein the surface of the fixing mechanism is slidably connected to the inner side of the U-shaped plate, the fixing mechanism comprises a first fixing plate, a second fixing plate, a third fixing plate, a U-shaped clip, a rectangular plate and a lithium battery body, the right side of the first fixing plate is fixedly connected to the second fixing plate, the bottom of the second fixing plate is in contact with the top of the U-shaped plate, the right side of the second fixing plate is fixedly connected to the third fixing plate, the bottom of the left side of the third fixing plate is in contact with the right side of the U-shaped plate, the front ends and back ends of the tops of the first fixing plate, the second fixing plate and the third fixing plate are fixedly connected to the U-shaped clip by screws, the right side of the third fixing plate is fixedly connected to the rectangular plate, and the right side of the rectangular plate is fixedly connected to the lithium battery body.

[0010] As a preferred embodiment of the utility model, the bottom of the lithium battery body is fixedly connected to an H-shaped slide plate, the bottom of the H-shaped slide plate is slidably connected to a slide plate, and the left side of the slide plate is fixedly connected to the right side of the fixed bottom plate.

[0011] As a preferred embodiment of the utility model, a baffle is fixedly connected to the right side of the slide slot plate, a power line port is fixedly connected to the inner cavity of the baffle, and the left side of the power line port passes through the left side of the baffle and contacts the right side of the lithium battery body.

[0012] As a preferred embodiment of the utility model, the front end and the back end of the top of the fixed bottom plate are fixedly connected to the first horizontal plate, the top of the first horizontal plate is fixedly connected to the second horizontal plate, the top of the second horizontal plate is fixedly connected to the protective plate, and the right side of the protective plate and the left side of the baffle are fixedly connected.

[0013] As a preferred embodiment of the utility model, the top of the fixed box is slidably connected with a U-shaped cover plate, the front end and back end of the inner wall of the U-shaped cover plate are fixedly connected with a limiting plate, the front end and back end of the fixed box and the front end of the second horizontal plate are provided with limiting grooves, and the back end of the limiting plate and the front end of the limiting groove are slidably connected.

[0014] As a preferred embodiment of the utility model, a support block is fixedly connected to the bottom of the cylinder, and the bottom of the support block is fixedly connected to the top of the fixed bottom plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model cooperates with a cylinder, a working rod, a U-shaped plate, a first fixed plate, a second fixed plate, a third fixed plate, a U-shaped clip, a rectangular plate and a lithium battery body for use. The cylinder drives the working rod to move leftward, and the working rod moves leftward to drive the U-shaped plate to move leftward. The U-shaped plate moves leftward to drive the first fixed plate, the second fixed plate, the third fixed plate, the U-shaped clip, the rectangular plate and the lithium battery body to move accordingly, thereby improving the service life of the lithium battery.

[0017] 2. The utility model can assist the lithium battery body in working by setting the H-shaped slide plate and the slide groove plate, thereby avoiding the deviation of the lithium battery body when it moves. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 Schematic diagram of the three-dimensional structure of the middle U-shaped cover;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the three-dimensional explosion structure of the middle cylinder;

[0021] Figure 4 For this utility model Figure 2 Schematic diagram of the three-dimensional explosion structure of the lithium battery body;

[0022] Figure 5 For this utility model Figure 2 Schematic diagram of the three-dimensional explosion structure of the middle U-shaped clamp;

[0023] Figure 6 For this utility model Figure 1 Schematic diagram of the three-dimensional structure of the middle limit groove.

[0024] In the figure: 1. fixed bottom plate; 2. pneumatic mechanism; 201. fixed box; 202. cylinder; 203. working rod; 204. U-shaped plate; 3. fixing mechanism; 301. first fixed plate; 302. second fixed plate; 303. third fixed plate; 304. U-shaped clamp; 305. rectangular plate; 306. lithium battery body; 4. H-shaped slide plate; 5. slide plate; 6. baffle plate; 7. power supply line port; 8. first horizontal plate; 9. second horizontal plate; 10. protective plate; 11. U-shaped cover plate; 12. limit plate; 13. limit groove; 14. support block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figures 1 to 6 As shown, the utility model provides a protective cover for a lithium battery, comprising:

[0027] Fixed bottom plate 1;

[0028] Pneumatic mechanism 2, the bottom of the pneumatic mechanism 2 is fixedly connected to the top of the fixed bottom plate 1, the pneumatic mechanism 2 comprises a fixed box 201, a cylinder 202, a working rod 203 and a U-shaped plate 204, the left side of the inner wall of the fixed box 201 is fixedly connected to the cylinder 202, the right side of the cylinder 202 is fixedly connected to the working rod 203, and the right side of the working rod 203 is fixedly connected to the U-shaped plate 204;

[0029] The fixing mechanism 3 has a surface that is slidably connected to the inner side of the U-shaped plate 204. The fixing mechanism 3 includes a first fixing plate 301, a second fixing plate 302, a third fixing plate 303, a U-shaped clip 304, a rectangular plate 305 and a lithium battery body 306. The right side of the first fixing plate 301 is fixedly connected to the second fixing plate 302, the bottom of the second fixing plate 302 is in contact with the top of the U-shaped plate 204, the right side of the second fixing plate 302 is fixedly connected to the third fixing plate 303, the bottom of the left side of the third fixing plate 303 is in contact with the right side of the U-shaped plate 204, the front end and the back end of the top of the first fixing plate 301, the second fixing plate 302 and the third fixing plate 303 are fixedly connected to the U-shaped clip 304 by screws, the right side of the third fixing plate 303 is fixedly connected to the rectangular plate 305, and the right side of the rectangular plate 305 is fixedly connected to the lithium battery body 306.

[0030] refer to Figure 4 The bottom of the lithium battery body 306 is fixedly connected to an H-shaped slide plate 4, the bottom of the H-shaped slide plate 4 is slidably connected to a slide plate 5, and the left side of the slide plate 5 is fixedly connected to the right side of the fixed bottom plate 1.

[0031] As a technical optimization solution of the utility model, the H-shaped slide plate 4 and the slide groove plate 5 are arranged to assist the lithium battery body 306 in working, thereby avoiding the deviation of the lithium battery body 306 when moving.

[0032] refer to Figure 3 The right side of the slide plate 5 is fixedly connected with a baffle plate 6, the inner cavity of the baffle plate 6 is fixedly connected with a power line port 7, and the left side of the power line port 7 passes through the left side of the baffle plate 6 and contacts the right side of the lithium battery body 306.

[0033] As a technical optimization solution of the utility model, the baffle plate 6 and the power line port 7 are provided to assist the slide plate 5 in working, thereby preventing the lithium battery body 306 from being unable to be charged.

[0034] refer to Figure 3 The front end and the back end of the top of the fixed base plate 1 are fixedly connected with the first transverse plate 8, the top of the first transverse plate 8 is fixedly connected with the second transverse plate 9, the top of the second transverse plate 9 is fixedly connected with the protective plate 10, and the right side of the protective plate 10 is fixedly connected to the left side of the baffle 6.

[0035] As a technical optimization solution of the utility model, the first horizontal plate 8, the second horizontal plate 9 and the protective plate 10 are arranged to assist the work of the fixed bottom plate 1, thereby avoiding the surface of the lithium battery body 306 being unable to be protected when charging.

[0036] refer to Figure 6 The top of the fixed box 201 is slidably connected with a U-shaped cover plate 11, the front end and back end of the inner wall of the U-shaped cover plate 11 are fixedly connected with a limiting plate 12, the front end and back end of the fixed box 201 and the front end of the second horizontal plate 9 are provided with a limiting groove 13, and the back end of the limiting plate 12 and the front end of the limiting groove 13 are slidably connected.

[0037] As a technical optimization solution of the present invention, the arrangement of the U-shaped cover plate 11, the limiting plate 12 and the limiting groove 13 can assist the fixing box 201 in its operation and prevent the U-shaped cover plate 11 from falling off when sliding.

[0038] refer to Figure 3 The bottom of the cylinder 202 is fixedly connected to a support block 14 , and the bottom of the support block 14 is fixedly connected to the top of the fixed base plate 1 .

[0039] As a technical optimization solution of the present invention, the support block 14 is provided to assist the cylinder 202 in its operation, thereby preventing the cylinder 202 from tilting when it is working.

[0040] The working principle and use process of the utility model are as follows: when in use, the user starts the cylinder 202 to drive the working rod 203 to move leftward, the working rod 203 moves leftward and drives the U-shaped plate 204 to move leftward, the U-shaped plate 204 moves leftward and drives the first fixed plate 301, the second fixed plate 302, the third fixed plate 303, the U-shaped clamp 304, the rectangular plate 305 and the lithium battery body 306 to move with it, and then the charged lithium battery body 306 can be taken out, and when it needs to be charged again, the first fixed plate 301, the second fixed plate 302 and the third fixed plate 303 drive the rectangular plate 305 and the lithium battery body 306 to slide and insert into the U-shaped plate 204, and then the same applies to the opposite.

[0041] To sum up: the protective cover for lithium battery solves the problem that the lithium battery is easily damaged by external force during charging through the coordinated use of a fixed base plate 1, a pneumatic mechanism 2, a fixed box 201, a cylinder 202, a working rod 203, a U-shaped plate 204, a fixing mechanism 3, a first fixed plate 301, a second fixed plate 302, a third fixed plate 303, a U-shaped clamp 304, a rectangular plate 305, a lithium battery body 306, an H-shaped slide plate 4, a slide plate 5, a baffle 6, a power line port 7, a first horizontal plate 8, a second horizontal plate 9, a protective plate 10, a U-shaped cover plate 11, a limit plate 12, a limit groove 13 and a support block 14.

[0042] 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 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 a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective cover for a lithium battery, characterized in that: include: A fixed bottom plate (1); A pneumatic mechanism (2), wherein the bottom of the pneumatic mechanism (2) is fixedly connected to the top of the fixed bottom plate (1), and the pneumatic mechanism (2) comprises a fixed box (201), a cylinder (202), a working rod (203) and a U-shaped plate (204), wherein the left side of the inner wall of the fixed box (201) is fixedly connected to the cylinder (202), the right side of the cylinder (202) is fixedly connected to the working rod (203), and the right side of the working rod (203) is fixedly connected to the U-shaped plate (204); A fixing mechanism (3), wherein the surface of the fixing mechanism (3) is slidably connected to the inner side of the U-shaped plate (204), the fixing mechanism (3) comprises a first fixing plate (301), a second fixing plate (302), a third fixing plate (303), a U-shaped clip (304), a rectangular plate (305) and a lithium battery body (306), the right side of the first fixing plate (301) is fixedly connected to the second fixing plate (302), the bottom of the second fixing plate (302) is in contact with the top of the U-shaped plate (204), and the second fixing plate (302) is in contact with the top of the U-shaped plate (204). The right side of the fixed plate (302) is fixedly connected to a third fixed plate (303), the bottom of the left side of the third fixed plate (303) contacts the right side of the U-shaped plate (204), the front end and the back end of the top of the first fixed plate (301), the second fixed plate (302) and the third fixed plate (303) are fixedly connected to a U-shaped clip (304) by screws, the right side of the third fixed plate (303) is fixedly connected to a rectangular plate (305), and the right side of the rectangular plate (305) is fixedly connected to a lithium battery body (306).

2. A protective cover for a lithium battery according to claim 1, characterized in that: The bottom of the lithium battery body (306) is fixedly connected to an H-shaped slide plate (4), the bottom of the H-shaped slide plate (4) is slidably connected to a slide plate (5), and the left side of the slide plate (5) is fixedly connected to the right side of the fixed bottom plate (1).

3. A protective cover for a lithium battery according to claim 2, characterized in that: The right side of the slide plate (5) is fixedly connected to a baffle plate (6), the inner cavity of the baffle plate (6) is fixedly connected to a power supply line port (7), and the left side of the power supply line port (7) penetrates the left side of the baffle plate (6) and contacts the right side of the lithium battery body (306).

4. The protective cover for a lithium battery according to claim 1, characterized in that: The front end and the back end of the top of the fixed bottom plate (1) are both fixedly connected to a first transverse plate (8), the top of the first transverse plate (8) is fixedly connected to a second transverse plate (9), the top of the second transverse plate (9) is fixedly connected to a protective plate (10), and the right side of the protective plate (10) is fixedly connected to the left side of the baffle (6).

5. The protective cover for a lithium battery according to claim 1, characterized in that: The top of the fixed box (201) is slidably connected to a U-shaped cover plate (11); the front end and the back end of the inner wall of the U-shaped cover plate (11) are fixedly connected to a limiting plate (12); the front end and the back end of the fixed box (201) and the front end of the second horizontal plate (9) are provided with a limiting groove (13); the back end of the limiting plate (12) and the front end of the limiting groove (13) are slidably connected.

6. The protective cover for a lithium battery according to claim 1, characterized in that: The bottom of the cylinder (202) is fixedly connected to a support block (14), and the bottom of the support block (14) is fixedly connected to the top of the fixed bottom plate (1).

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