Lithium battery capable of preventing battery cell from shaking

Abstract

The utility model discloses a lithium battery of preventing the shaking of battery cell relates to lithium battery technical field, including cover plate and turn handle, the inside of cover plate upper surface is rotatingly connected with turn handle, and the output end of turn handle is in threaded connection with pressure plate, the upper surface of pressure plate is fixedly connected with limit lever, the limit lever is fixed in the limit lever. And the upper end of the limiting rod is connected to the interior of a cover plate in a clamped mode, the lower surface of the cover plate is connected with a shell in a clamped mode, and a battery cell body is arranged in the shell. Compared with an existing common lithium battery, the lithium battery capable of preventing the battery cell from shaking has the advantages that the battery cell body is placed in an inner clamping groove of the shell and clamped on the outer side of a clamping block, a clamping block is extruded to compress an inner first spring, the battery cell body is fixed through the clamping block, and a cover plate is clamped on the upper surface of the shell; the rotating handle is rotated to enable the pressing plate to fix the battery cell body through the limiting rod, so that the purpose of preventing the battery cell body from shaking in the shell is achieved, the battery cell body and the shell are prevented from being damaged, and risks such as lithium battery explosion are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a lithium battery capable of preventing a battery core from shaking. Background Art

[0002] In recent years, with the rapid development of lithium-ion power battery technology, the popularity of new energy vehicles has also increased. At the same time, the problems of new energy vehicle range have been exposed more and more, and consumers are increasingly concerned about the decline in the range of new energy vehicles. For power battery companies, how to produce batteries with high energy density, high performance and high cycle life determines whether the company can capture more customers and improve its competitiveness.

[0003] For example, a battery cell and a lithium battery with application number 201922016532.5 include: a shell; a winding core placed in the shell, and a pole lug terminal is arranged on the end face of the winding core; a cover plate, which cooperates with the end face of the winding core with the pole lug terminal, and the cover plate is provided with a battery cell terminal, and the battery cell terminal is provided with a terminal guide groove for the pole lug terminal to pass through. This application avoids the use of bent pole lugs, which can improve the space utilization inside the shell, increase the energy density of the battery cell, and improve the performance of the battery cell. However, the battery cell is prone to shaking inside the lithium battery during use, causing damage to the lithium battery and the shell, and even prone to dangers such as lithium battery explosion.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a lithium battery that prevents the battery cell from shaking is proposed. Utility Model Content

[0005] The utility model aims to provide a lithium battery that prevents the battery core from shaking, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium battery for preventing a battery cell from shaking, comprising a cover plate and a handle, the upper surface of the cover plate is rotatably connected to the handle, and the output end of the handle is threadedly connected to a pressure plate, the upper surface of the pressure plate is fixedly connected to a limit rod, and the upper end of the limit rod is snap-connected to the inside of the cover plate, the lower surface of the cover plate is snap-connected to an outer shell, and a battery cell body is arranged inside the outer shell, a slot is provided on the side of the battery cell body, and a card block is slidably connected to the inner side of the outer shell, a first spring is fixedly connected to the inside of the card block, and the end of the first spring away from the card block is fixedly connected to a clamping block.

[0007] Preferably, a slider is fixedly connected to the rear side of the block, and the slider is slidably connected to the inside of the shell.

[0008] Preferably, a slide groove is provided inside the shell, and a movable block is slidably connected inside the slide groove.

[0009] Preferably, a second spring is fixedly connected to the side surface of the movable block, and one end of the second spring away from the movable block is fixedly connected to the inside of the housing.

[0010] Preferably, the movable block is engaged with the interior of the housing, and the output end of the movable block is engaged and connected with the interior of the slider.

[0011] Preferably, a cooling box is fixedly connected to the outer surface of the shell, and heat dissipation holes are opened on the outer surface of the cooling box.

[0012] Preferably, a movable plate is rotatably connected to the interior of the cooling box via a rotating shaft, a condenser tube is fixedly connected to the lower surface of the movable plate, and a clamp is fixedly connected to the upper surface of the movable plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model arranges the cover plate, the shell, the handle, the pressure plate, the limit rod, the battery body, the slot, the block, the first spring and the clamping block, the battery body is placed in the inner slot of the shell and clamped on the outer side of the clamping block, the clamping block is squeezed to compress the inner first spring, the battery body is fixed by the clamping block, the cover plate is clamped on the upper surface of the shell, the handle is rotated so that the pressure plate fixes the battery body through the limit rod, so as to prevent the battery body from shaking inside the shell, prevent the battery body and the shell from being damaged, and prevent the danger of lithium battery explosion;

[0015] 2. The utility model adopts the arrangement of the housing, the movable block, the slide groove, the first spring, the slider and the card block, and slides the movable block inside the slide groove to compress the rear second spring, and removes the output end of the movable block from the inside of the slider, so as to facilitate the removal of the card block from the inside of the housing and facilitate the maintenance of the card block;

[0016] 3. The utility model arranges a cooling box, a movable plate, heat dissipation holes, a movable plate, a rotating shaft and a condenser. By pulling a latch, the movable plate is taken out from the inside of the cooling box through the rotating shaft, so as to facilitate the maintenance of the cooling device by the staff. After the condenser is placed in the cooling box, the heat dissipation of the battery device is facilitated through the heat dissipation holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the main body of the utility model;

[0018] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the main body of the utility model;

[0019] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 4 It is a schematic cross-sectional structure diagram of the housing 2 of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional unfolded structure of the cooling box 4 of the utility model.

[0022] In the figure: 1. cover plate; 2. shell; 3. handle; 4. cooling box; 5. movable plate; 6. heat dissipation hole; 7. movable block; 8. pressure plate; 9. limit rod; 10. battery cell body; 11. slot; 12. block; 13. clamping block; 14. first spring; 15. slider; 16. slide groove; 17. second spring; 18. condenser; 19. handle; 20. rotating shaft. DETAILED DESCRIPTION

[0023] 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.

[0024] like Figure 1-Figure 2 As shown, a lithium battery for preventing a battery cell from shaking comprises a cover plate 1 and a handle 3, the upper surface of the cover plate 1 is rotatably connected to the handle 3, and the output end of the handle 3 is threadedly connected to a pressing plate 8, the upper surface of the pressing plate 8 is fixedly connected to a limiting rod 9, and the upper end of the limiting rod 9 is snap-connected to the inside of the cover plate 1, the lower surface of the cover plate 1 is snap-connected to a shell 2, and a battery cell body 10 is arranged inside the shell 2, a card slot 11 is provided on the side of the battery cell body 10, and a card block 12 is slidably connected to the inner side of the shell 2, a first spring 14 is fixedly connected to the inside of the card block 12, and the first spring 14 is fixedly connected to the inside of the card block 12, and the first spring 14 is fixedly connected to the inside of the card block 12. The end of a spring 14 away from the card block 12 is fixedly connected to a clamping block 13. The battery body 10 is placed in the internal card slot 11 of the shell 2 and is engaged with the outer side of the card block 12. The clamping block 13 is squeezed to compress the internal first spring 14. The battery body 10 is fixed by the clamping block 13, and the cover plate 1 is engaged with the upper surface of the shell 2. The handle 3 is rotated so that the pressure plate 8 fixes the battery body 10 through the limit rod 9, so as to prevent the battery body 10 from shaking inside the shell 2, prevent the battery body 10 and the shell 2 from being damaged, and prevent the risk of lithium battery explosion.

[0025] like Figure 3-Figure 4 As shown, a slider 15 is fixedly connected to the rear side of the card block 12 , and the slider 15 is slidably connected to the inside of the housing 2 , so that the card block 12 can be easily moved inside the housing 2 through the slider 15 .

[0026] Furthermore, a slide groove 16 is provided inside the housing 2 , and the movable block 7 is slidably connected inside the slide groove 16 , so that the movable block 7 can be easily moved inside the housing 2 through the slide groove 16 .

[0027] Furthermore, a second spring 17 is fixedly connected to the side of the movable block 7 , and one end of the second spring 17 away from the movable block 7 is fixedly connected to the inside of the housing 2 , so that the movable block 7 can be conveniently engaged in the slider 15 through the second spring 17 .

[0028] Furthermore, the movable block 7 is engaged with the inside of the housing 2 , and the output end of the movable block 7 is engaged with the inside of the slider 15 , thereby achieving the purpose of conveniently fixing the block 12 inside the housing 2 .

[0029] Furthermore, a cooling box 4 is fixedly connected to the outer surface of the housing 2 , and a heat dissipation hole 6 is opened on the outer surface of the cooling box 4 . After the condenser 18 is placed inside the cooling box 4 , the heat dissipation hole 6 facilitates heat dissipation of the battery device.

[0030] Furthermore, the interior of the cooling box 4 is rotatably connected to a movable plate 5 via a rotating shaft 20, and a condenser 18 is fixedly connected to the lower surface of the movable plate 5, and a latch 19 is fixedly connected to the upper surface of the movable plate 5. The latch 19 is pressed to remove the movable plate 5 from the interior of the cooling box 4 via the rotating shaft 20, thereby making it convenient for the staff to repair the cooling device.

[0031] Working principle: When using the lithium battery for preventing the battery cell from shaking, first place the battery cell body 10 on the inner slot 11 of the shell 2 and clamp it on the outer side of the clamping block 12, squeeze the clamping block 13 to compress the inner first spring 14, fix the battery cell body 10 through the clamping block 13, clamp the cover plate 1 on the upper surface of the shell 2, turn the handle 3 so that the pressure plate 8 fixes the battery cell body 10 through the limit rod 9, so as to prevent the battery cell body 10 from shaking inside the shell 2, prevent the battery cell body 10 and the shell 2 from being damaged, and prevent the lithium battery from exploding. Explosion hazard, slide the movable block 7 inside the slide groove 16 to compress the second spring 17 on the rear side, and remove the output end of the movable block 7 from the slider 15, so as to facilitate the removal of the card block 12 from the inside of the shell 2, and facilitate the maintenance of the card block 12, pull the card handle 19 to take the movable plate 5 out of the cooling box 4 through the rotating shaft 20, so as to facilitate the staff to repair the cooling device, after the condenser 18 is placed in the cooling box 4, the heat dissipation of the battery device is facilitated through the heat dissipation hole 6, which is the working principle of the lithium battery that prevents the battery cell from shaking.

Claims

1. A lithium battery for preventing a cell from shaking, comprising a cover plate (1) and a handle (3), characterized in that: A handle (3) is rotatably connected to the interior of the upper surface of the cover plate (1), and a pressure plate (8) is threadedly connected to the output end of the handle (3); a limit rod (9) is fixedly connected to the upper surface of the pressure plate (8), and the upper end of the limit rod (9) is snap-connected to the interior of the cover plate (1); a housing (2) is snap-connected to the lower surface of the cover plate (1), and a battery cell body (10) is arranged inside the housing (2); a slot (11) is provided on the side of the battery cell body (10), and a clamping block (12) is slidably connected to the inner side of the housing (2); a first spring (14) is fixedly connected to the interior of the clamping block (12), and a clamping block (13) is fixedly connected to the end of the first spring (14) away from the clamping block (12).

2. A lithium battery for preventing the battery cell from shaking according to claim 1, characterized in that: A slider (15) is fixedly connected to the rear side of the clamping block (12), and the slider (15) is slidably connected to the inside of the housing (2).

3. A lithium battery for preventing the battery cell from shaking according to claim 1, characterized in that: A sliding groove (16) is provided inside the housing (2), and a movable block (7) is slidably connected inside the sliding groove (16).

4. A lithium battery for preventing the battery cell from shaking according to claim 3, characterized in that: A second spring (17) is fixedly connected to the side of the movable block (7), and one end of the second spring (17) away from the movable block (7) is fixedly connected to the inside of the housing (2).

5. A lithium battery for preventing the battery cell from shaking according to claim 3, characterized in that: The movable block (7) is engaged with the interior of the housing (2), and the output end of the movable block (7) is engaged with the interior of the slider (15).

6. A lithium battery for preventing the battery cell from shaking according to claim 1, characterized in that: A cooling box (4) is fixedly connected to the outer surface of the housing (2), and a heat dissipation hole (6) is provided on the outer surface of the cooling box (4).

7. A lithium battery for preventing the battery core from shaking according to claim 6, characterized in that: The interior of the cooling box (4) is rotatably connected to a movable plate (5) via a rotating shaft (20), and a condensation tube (18) is fixedly connected to the lower surface of the movable plate (5), and a clamping hand (19) is fixedly connected to the upper surface of the movable plate (5).

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