CN210723141U - Lithium battery and lithium battery packaging shell - Google Patents

Abstract

The utility model discloses a lithium cell and lithium cell encapsulation casing, which comprises a housin, the left side bottom front side of casing is through being provided with the box, the inner chamber inner wall of box has the fan through screw locking, the left and right sides of fan spiro union has exhaust pipe and connecting pipe respectively, and the left side of exhaust pipe extends the inner chamber of box, the inner chamber inner wall of casing is provided with the air-supply line, the inner chamber of casing is extended into to the right side one end of connecting pipe, and with the air-supply line looks spiro union, the inner wall of air-supply line seted up with the communicating fresh air inlet of outside surface, both ends inner wall all is provided with the baffle from a left side to the right side around the inner chamber of casing, it has the backup pad to peg graft. This lithium cell and lithium cell encapsulation casing, the device can effectually solve the radiating problem of lithium cell when using for the radiating efficiency of lithium cell has improved the fixed effect to the lithium cell, prolongs its life, more accords with actual user demand.

Description

Lithium battery and lithium battery packaging shell

technical field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery and a lithium battery packaging casing.

Background technique

Lithium battery is a kind of battery that uses lithium metal or lithium alloy as negative electrode material and uses 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. , Lithium batteries have not been used for a long time, with the development of science and technology, now lithium batteries have become the mainstream;

With the increasing use of green and environmentally friendly batteries in life, people's requirements for lithium batteries are getting higher and higher. As a power battery for new energy vehicles, it cannot effectively solve the problem of heating when using lithium batteries. The problem is that the life of the battery is attenuated, and the battery is smoking, catching fire or even exploding. The lithium battery is not effectively fixed inside the casing, resulting in a gap between the lithium battery and the inner wall of the casing. When moving The collision and friction between the lithium battery and the inner wall of the shell reduce its service life, which does not meet the actual use requirements.

Utility model content

The purpose of the present invention is to provide a lithium battery and a lithium battery packaging casing to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a lithium battery and a lithium battery packaging casing, including a casing, a box body is provided on the front side of the left bottom end of the casing, and a box body is provided on the front side of the bottom end of the casing. The inner wall of the inner cavity is locked with a fan by screws, and the left and right sides of the fan are respectively screwed with an exhaust pipe and a connecting pipe, and the left side of the exhaust pipe extends out of the inner cavity of the box body, and the inner cavity of the casing The inner wall is provided with an air inlet pipe, and the right end of the connecting pipe extends into the inner cavity of the casing and is screwed with the air inlet pipe. The inner wall of the air inlet pipe is provided with an air inlet hole that communicates with the outer surface. The inner wall of the inner cavity of the casing is provided with baffle plates from left to right, the bottom end of the inner cavity of the rear side of the casing is inserted with a support plate, and the inner wall of the top end of the rear side of the casing and the support plate are inserted. The top end of the bearing is fixedly connected with the outer ring of the bearing, the inner ring of the bearing is interference fit with a round rod, the top end of the round rod extends out of the upper end face of the casing, and a socket is opened, and the inner part of the socket is A rocker is inserted into the cavity, and the bottom end of the round rod penetrates the support plate and is provided with a first bevel gear. The inner ring of the bearing is respectively fitted with a first screw and a second screw, and the inner ends of the first screw and the second screw are welded, and the rear side of the outer wall of the first screw is interference-fitted with the first bevel gear. The second bevel gears are meshed and connected, the outer walls of the first screw rod and the second screw rod are both screwed with a rectangular block, and the top end of the rectangular block is provided with a rectangular plate.

Preferably, the air inlet pipe surrounds the inner wall of the housing.

Preferably, the shape of the outer wall of the rocker is a "T" shape.

Preferably, the outer wall threads of the first screw and the second screw are threads in opposite directions.

Preferably, the inner side of the rectangular plate is provided with a rubber pad.

Preferably, the round rods are arranged in the up-down direction.

Compared with the prior art, the beneficial effect of the present utility model is: the lithium battery and the lithium battery package casing, after the fan is normally started, the hot air in the inner cavity of the casing is sucked into the inner cavity of the air inlet pipe through the air inlet hole. , and discharged through the connecting pipe and the exhaust pipe, which improves the heat dissipation effect of the lithium battery. The first screw rod and the second screw rod are driven to rotate, and the rectangular block is driven by the first screw rod and the second screw rod to drive the rectangular plate to move inward and contact with the lithium battery, so that the lithium battery is clamped and fixed, and the fixing effect of the lithium battery is improved. , The device can effectively solve the problem of heat dissipation and heat dissipation of the lithium battery during use, speed up the heat dissipation efficiency of the lithium battery, avoid the high temperature inside the casing, causing it to catch fire and explode, improve the fixing effect of the lithium battery, avoid When moving, it collides and rubs with the inner wall of the shell, prolonging its service life and more in line with actual use requirements.

Description of drawings

Fig. 1 is the structural representation of the utility model;

FIG. 2 is a left cross-sectional view of the housing of the present invention.

In the picture: 1. Shell, 2. Box, 3. Fan, 4. Exhaust pipe, 5. Connecting pipe, 6. Air inlet pipe, 7. Air inlet hole, 8. Baffle plate, 9. Support plate, 10, round rod, 11, jack, 12, rocker, 13, first bevel gear, 14, first screw, 15, second screw, 16, second bevel gear, 17, rectangular block, 18, Rectangular plate, 19, rubber pad.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-2, the present utility model provides a technical solution: a lithium battery and a lithium battery packaging casing, including a casing 1, and a box body 2 is arranged on the front side of the bottom end of the left side of the casing 1. The inner wall of the inner cavity of the body 2 is locked with a fan 3. The model of the fan 3 is SF-138PZ02, and the fan 3 is connected to an external power supply. The external power supply is 380V AC power. Stop working, the left and right sides of the fan 3 are respectively screwed with an exhaust pipe 4 and a connecting pipe 5, and the left side of the exhaust pipe 4 extends out of the inner cavity of the box 2, and the inner wall of the inner cavity of the casing 1 is provided with an air inlet Pipe 6, the right end of the connecting pipe 5 extends into the inner cavity of the casing 1, and is screwed with the air inlet pipe 6. After the fan 3 is normally started, the hot air in the inner cavity of the casing 1 is discharged through the air inlet hole 7. It is sucked into the inner cavity of the air inlet pipe 6 and discharged through the connecting pipe 5 and the exhaust pipe 4, which improves the heat dissipation effect of the lithium battery. The inner wall of the inner cavity of 1 is provided with baffles 8 from left to right, the bottom end of the rear inner cavity of the shell 1 is inserted with a support plate 9, the inner wall of the rear top of the shell 1 and the top of the support plate 9 are inserted. Both are fixedly connected with the outer ring of the bearing, and the inner ring of the bearing is fitted with a round rod 10 in an interference fit. A rocker 12 is inserted into the inner cavity of the socket 11. By inserting the rocker 12 into the inner cavity of the socket 11 and rotating the rocker 12, the rocker 12 drives the round rod 10 and the first bevel gear 13 to rotate, The bottom end of the round rod 10 is stabilized by the support plate 9, and the first bevel gear 13 and the second bevel gear 16 are meshed and connected to facilitate the second bevel gear 16 to drive the first screw 14 and the second bevel gear 16. The screw 15 rotates, the bottom end of the round rod 10 penetrates the support plate 9, and is provided with a first bevel gear 13, the outer ring of the bearing is fixedly connected to the front and rear ends of the inner cavity of the bottom end of the housing 1, and the inner ring of the bearing is respectively The first screw 14 and the second screw 15 are in interference fit. By rotating the rocker 12, the rocker 12 is urged to drive the round rod 10 and the first bevel gear 13 to rotate, and the second bevel gear is urged by the first bevel gear 13. 16 drives the first screw 14 and the second screw 15 to rotate, the outer wall threads of the first screw 14 and the second screw 15 are threads in opposite directions, and through the relationship between the first screw 14 and the second screw 15 and the rectangular block 17, The rectangular block 17 is urged to drive the rectangular plate 18 to move inward or outward at the same time, and the inner ends of the first screw 14 and the second screw 15 are welded. 13 engages the connected second bevel gear 16, the outer walls of the first screw 14 and the second screw 15 are threadedly connected with a rectangular block 17, the top of the rectangular block 17 is provided with a rectangular plate 18, by rotating the rocker 12, the rocker is urged 12 drives the round rod 10 and the first bevel gear 13 to rotate, and the second bevel gear 16 drives the first screw 14 and the second screw 15 to rotate through the first bevel gear 13. 14 and the second screw 15 urge the rectangular block 17 to drive the rectangular plate 18 to move inward and contact the lithium battery to clamp and fix the lithium battery, thereby improving the fixing effect of the lithium battery.

As a preferred solution, further, the air inlet pipe 6 surrounds the inner wall of the casing 1. After the fan 3 is normally started, the hot air in the inner cavity of the casing 1 is sucked into the inner cavity of the air inlet pipe 6 through the air inlet hole 7. , and is discharged through the connecting pipe 5 and the exhaust pipe 4, which improves the heat dissipation effect of the lithium battery.

As a preferred solution, further, the shape of the outer wall of the rocker 12 is a "T" shape. By inserting the rocker 12 into the inner cavity of the jack 11, and rotating the rocker 12, the rocker 12 is urged to drive the round rod 10 and the first A bevel gear 13 rotates to stabilize the bottom end of the round rod 10 through the support plate 9. The first bevel gear 13 is meshed with the second bevel gear 16 to facilitate the driving of the second bevel gear 16. The first screw 14 and the second screw 15 rotate.

As a preferred solution, further, the outer wall threads of the first screw 14 and the second screw 15 are threads in opposite directions. The first bevel gear 13 promotes the second bevel gear 16 to drive the first screw 14 and the second screw 15 to rotate. The outer wall threads of the first screw 14 and the second screw 15 are threads in opposite directions. The threaded connection between the two screws 15 and the rectangular block 17 causes the rectangular block 17 to drive the rectangular plate 18 to move inward or outward at the same time.

As a preferred solution, further, the inner side of the rectangular plate 18 is provided with a rubber pad 19. By rotating the rocker 12, the rocker 12 is urged to drive the round rod 10 and the first bevel gear 13 to rotate, and the first bevel gear 13 is used to promote the rotation of the rocker 12. The second bevel gear 16 drives the first screw 14 and the second screw 15 to rotate, and through the first screw 14 and the second screw 15, the rectangular block 17 is urged to drive the rectangular plate 18 to move inward, and contact the lithium battery, so that the lithium battery is subjected to Clamping and fixing improves the fixing effect of lithium batteries.

The detailed connection means are known in the art. The following mainly introduces the working principle and process, and the specific work is as follows.

When in use, place the lithium battery in the inner cavity of the casing 1, inside the rectangular plate 18, insert the rocker 12 into the cavity of the jack 11, and rotate the rocker 12 to make the rocker 12 drive the round rod 10 and the first A bevel gear 13 rotates to stabilize the bottom end of the round rod 10 through the support plate 9, and the second bevel gear 16 is driven by the meshing relationship between the first bevel gear 13 and the second bevel gear 16. The first screw 14 and the second screw 15 rotate, and the relationship between the first screw 14 and the second screw 15 and the rectangular block 17 is threaded, so that the rectangular block 17 drives the rectangular plate 18 to move inward, and contacts the lithium battery. The battery is clamped and fixed. When the lithium battery needs to be dissipated, the power supply of the fan 3 is turned on. After the fan 3 starts normally, the hot air in the inner cavity of the casing 1 is sucked into the air inlet duct 6 through the air inlet hole 7. It is discharged through the connecting pipe 5 and the exhaust pipe 4 to speed up the heat dissipation efficiency of the lithium battery. The device has a simple structure and is easy to operate and use, which can effectively solve the problem of heat dissipation of the lithium battery during use, and speed up the heat dissipation of the lithium battery. efficiency, prolong its service life, and more in line with actual use needs.

In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inside", "front", "center", "both ends", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description , rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation; at the same time, unless otherwise expressly specified and limited, the terms "provided with", "shafted", "plugged" ", "welding", "clamping" and other terms should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection , it can also be indirectly connected through an intermediate medium, it can be the connection between the two elements or the interaction relationship between the two elements, unless otherwise clearly defined, for those of ordinary skill in the art, the above terms can be understood according to specific circumstances. The specific meaning in the utility model.

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

Claims (6)

1. A lithium battery and a lithium battery packaging casing, comprising a casing (1), characterized in that: a box body (2) is provided on the front side of the left bottom end of the casing (1), and the box The inner wall of the inner cavity of the body (2) is locked with a fan (3) by screws, and the left and right sides of the fan (3) are respectively screwed with an exhaust pipe (4) and a connecting pipe (5), and the exhaust pipe ( 4) The left side of the casing (2) extends out of the inner cavity of the casing (2), the inner wall of the inner cavity of the casing (1) is provided with an air inlet pipe (6), and the right end of the connecting pipe (5) extends into the casing The inner cavity of the body (1) is screwed with the air inlet pipe (6), and the inner wall of the air inlet pipe (6) is provided with an air inlet hole (7) that communicates with the outer surface. ), the inner walls of the front and rear ends of the inner cavity are provided with baffle plates (8) from left to right, the bottom end of the rear inner cavity of the casing (1) is plugged with a support plate (9), and the casing (1) ) and the top end of the support plate (9) are fixedly connected with the outer ring of the bearing, the inner ring of the bearing is interference fit with a round rod (10), the top of the round rod (10) extends out The upper end face of the casing (1) is provided with an insertion hole (11), the inner cavity of the insertion hole (11) is inserted with a rocker (12), and the bottom end of the round rod (10) penetrates the support plate (9), and is provided with a first bevel gear (13), the outer ring of the bearing is fixedly connected to the front and rear ends of the inner cavity of the bottom end of the housing (1), and the inner ring of the bearing is respectively interference fit There are a first screw (14) and a second screw (15), and the inner ends of the first screw (14) and the second screw (15) are welded, and the rear side of the outer wall of the first screw (14) is an interference fit There is a second bevel gear (16) meshed with the first bevel gear (13), and the outer walls of the first screw (14) and the second screw (15) are screwed with rectangular blocks (17), so The top end of the rectangular block (17) is provided with a rectangular plate (18). 2 . The lithium battery and the lithium battery packaging casing according to claim 1 , wherein the air inlet pipe ( 6 ) surrounds the inner wall of the casing ( 1 ). 3 . 3 . The lithium battery and the lithium battery packaging case according to claim 1 , wherein the shape of the outer wall of the rocker ( 12 ) is a “T” shape. 4 . 4. A lithium battery and a lithium battery packaging case according to claim 1, wherein the outer wall threads of the first screw (14) and the second screw (15) are threads in opposite directions. 5 . The lithium battery and the lithium battery packaging case according to claim 1 , wherein a rubber pad ( 19 ) is provided on the inner side of the rectangular plate ( 18 ). 6 . 6 . The lithium battery and the lithium battery packaging case according to claim 1 , wherein the round rod ( 10 ) is arranged in the up-down direction. 7 .

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