CN210073983U

CN210073983U - Explosion-proof lithium battery

Info

Publication number: CN210073983U
Application number: CN201921349467.1U
Authority: CN
Inventors: 余荣建
Original assignee: Yingshang Xiang'an New Energy Technology Co Ltd
Current assignee: Yingshang Xiang'an New Energy Technology Co Ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-02-14
Anticipated expiration: 2029-08-20

Abstract

The utility model provides an explosion-proof lithium cell relates to lithium cell technical field, which comprises an outer shell, the bottom fixed mounting of shell has the mobile device, the inside top-down of shell fixed mounting has a plurality of circuit board in proper order, the front of shell is located edge fixed mounting and has the hinge, the surface of shell is connected with a body through the hinge rotation, the equal fixed mounting in surface of the body of the door and shell has the connection lock. The utility model discloses, overhaul the structure through setting up, not only effectually avoided the dust to corrode, can conveniently carry out the later stage in addition and change the explosion-proof jar of maintenance, adopt the ejector pin to remove along sheathed tube inner wall to extrude the rubber buffer, make the rubber buffer drop, the inside dry powder of explosion-proof jar is spout rapidly, cools down, in time effectually has avoided the explosion.

Description

Explosion-proof lithium battery

Technical Field

The utility model relates to a lithium cell technical field especially relates to an explosion-proof lithium cell.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, and because the chemical characteristics of the lithium metal are very active, the lithium metal has very high requirements on the environment in processing, storage and use, so the lithium battery is not applied for a long time, and the lithium battery becomes a mainstream at present along with the development of scientific technology.

Current lithium cell when using for a long time, can produce great high temperature in inside, and last high temperature can make the lithium cell explosion, because there is not explosion-proof structure inside traditional lithium cell, the security performance when leading to using the lithium cell is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an explosion-proof lithium battery.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an explosion-proof lithium battery, includes the shell, the surface of shell is located the big one side fixed mounting of area and has explosion-proof structure, the top fixed mounting that the surface of shell is located explosion-proof structure has the maintenance structure, the surface of shell is located the little one side fixed mounting of area and has protective structure, explosion-proof structure includes the recess, the surface of shell is located the big one side of area and sets up flutedly, the equal fixed mounting in inner wall both sides of recess has spacing spring, two the one end fixed mounting that recess inner wall was kept away from to spacing spring has the grip block, the inside of shell is located and has placed explosion-proof jar between two grip blocks, the surface of explosion-proof jar is pegged graft and is had.

Preferably, the expansion pipe is fixedly installed in the shell, the sealing box is fixedly installed on one side, located on the expansion pipe, in the shell, and the sleeve is fixedly penetrated through the inner wall of the groove.

Preferably, the expansion pipe all slides with the relative one side of seal box and runs through there is the piston rod, one side that the inner wall of seal box is located the piston rod slides and runs through there is the ejector pin, the one end that the seal box was kept away from to the ejector pin slides and runs through the sleeve pipe and extend to the sheathed tube outside, the ejector pin is kept away from sheathed tube one end and is located the dead ahead of rubber buffer.

Preferably, overhaul the structure, the fixed surface of shell installs the pivot, the shell rotates through the pivot and is connected with the access door, the top of access door is located the fixed inserted block of edge, the surface of inserted block has seted up a hole No. one, surface one side fixed mounting of shell has the stopper, the rectangular channel has been seted up to the inside of stopper, and the big or small size looks adaptation of rectangular channel and inserted block, the surface slip of stopper has run through the bolt, the bolt is located the outside one end surface cover of stopper and is equipped with reset spring, reset spring's both ends respectively with the surface of bolt and the fixed surface connection of stopper.

Preferably, protective structure includes the spout, the spout has all been seted up to the surface both sides of shell, the spout is "L" style of calligraphy, the inner wall fixed mounting of spout has the slider, the top fixed mounting of slider has the dust guard, the inside slip of dust guard has run through the inserted bar.

Preferably, the outer surface of the shell is located between the two sliding grooves and provided with a wiring groove, a connector lug is fixedly mounted inside the wiring groove, and the edge of the outer surface of the shell, which is located in the wiring groove, is provided with a second hole.

Advantageous effects

1. The utility model discloses in, through setting up explosion-proof structure and maintenance structure, the inside temperature when the shell increases, when reaching the zero endpoint of explosion, the inside inflation liquid of inflation pipe expands and extrudees the piston rod, the piston rod removes and extrudees inside air along the inside of seal box, the inside air extrusion ejector pin of seal box, make the ejector pin remove along sheathed tube inner wall, and extrude the rubber buffer, make the rubber buffer drop, the inside dry powder of explosion-proof tank is spout rapidly, cool down, timely effectual explosion of having avoided, simultaneously when needs are changed or the maintenance explosion-proof tank, the pulling bolt, make the bolt break away from a hole, through the pivot, rotate the access door, the push-and-pull grip block, take away the explosion-proof tank, through setting up the maintenance structure, not only effectually the dust erosion has been avoided, and can conveniently carry out later stage change maintenance explosion-proof tank.

2. The utility model discloses in, through setting up protective structure, when not needing to use, the dust guard slides for the dust guard passes through the slider and slides along the spout of "L" type, and slide to the opposite side of shell, press down the inserted bar simultaneously, make the inserted bar insert the inside of No. two holes, reach the effect of sealed wiring groove, effectually avoided dust or moist air erosion connector lug, improve the life of battery.

Drawings

Fig. 1 is a schematic perspective view of an explosion-proof lithium battery according to the present invention;

fig. 2 is a schematic top view of an explosion-proof lithium battery according to the present invention;

fig. 3 is a schematic plane structure diagram of an explosion-proof lithium battery according to the present invention;

fig. 4 is the utility model provides an explosion-proof structure's of explosion-proof lithium cell structural schematic.

Illustration of the drawings:

1. a housing; 2. an explosion-proof structure; 21. a groove; 22. a limiting spring; 23. a clamping plate; 24. an explosion-proof tank; 25. a rubber plug; 26. an expansion tube; 27. a piston rod; 28. a sealing box; 29. a top rod; 210. a sleeve; 3. overhauling the structure; 31. a rotating shaft; 32. an access door; 33. inserting a block; 34. a first hole; 35. a limiting block; 36. a bolt; 37. a return spring; 4. a protective structure; 41. a chute; 42. a wiring slot; 43. a connector lug; 44. a second hole; 45. a slider; 46. a dust-proof plate; 47. and (4) inserting the rod.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Referring to fig. 1-4, an explosion-proof lithium battery comprises a housing 1, an explosion-proof structure 2 is fixedly mounted on the outer surface of the housing 1 on the side with a large area, an overhaul structure 3 is fixedly mounted on the outer surface of the housing 1 on the top of the explosion-proof structure 2, and a protection structure 4 is fixedly mounted on the outer surface of the housing 1 on the side with a small area.

The explosion-proof structure 2 comprises a groove 21, one side of the outer surface of the shell 1 with a large area is provided with the groove 21, two sides of the inner wall of the groove 21 are fixedly provided with limit springs 22, one ends of the two limit springs 22 far away from the inner wall of the groove 21 are fixedly provided with clamping plates 23, the inside of the shell 1 is positioned between the two clamping plates 23, the outer surface of the explosion-proof tank 24 is inserted with rubber plugs 25, the inside of the shell 1 is fixedly provided with expansion pipes 26, one side of the inside of the shell 1, which is positioned at the expansion pipes 26, is fixedly provided with a sealing box 28, the inner wall of the groove 21 is fixedly provided with a sleeve 210 in a penetrating manner, one opposite sides of the expansion pipes 26 and the sealing box 28 are provided with piston rods 27 in a penetrating manner in a sliding manner, one side of the inner wall of the sealing box 28, which is positioned at the push rods 29, one end of the push rods 29, which is far away, maintenance structure 3, shell 1's outer fixed surface installs pivot 31, shell 1 rotates through pivot 31 to be connected with access door 32, access door 32's top is located the fixed inserted block 33 of edge, a hole 34 has been seted up to the surface of inserted block 33, surface one side fixed mounting of shell 1 has stopper 35, the rectangular channel has been seted up to stopper 35's inside, and the size and dimension looks adaptation of rectangular channel and inserted block 33, stopper 35's surface slides and runs through bolt 36, bolt 36 is located stopper 35 outside one end surface cover and is equipped with reset spring 37, reset spring 37's both ends respectively with bolt 36's surface and stopper 35's outer fixed surface be connected.

Protective structure 4 includes spout 41, spout 41 has all been seted up to the surface both sides of shell 1, spout 41 is "L" style of calligraphy, the inner wall fixed mounting of spout 41 has slider 45, slider 45's top fixed mounting has dust guard 46, dust guard 46's inside slides and has run through inserted bar 47, wiring groove 42 has been seted up to the surface of shell 1 between being located two spout 41, wiring groove 42's inside fixed mounting has connector lug 43, No. two holes 44 have been seted up to the edge that the surface of shell 1 is located wiring groove 42.

The utility model discloses a theory of operation: when the internal temperature of the shell 1 increases and reaches the zero point of explosion, the expansion liquid inside the expansion pipe 26 expands and extrudes the piston rod 27, the piston rod 27 moves along the inside of the sealing box 28 and extrudes the air inside, the air inside the sealing box 28 extrudes the ejector rod 29, the ejector rod 29 moves along the inner wall of the sleeve 210 and extrudes the rubber plug 25, the rubber plug 25 drops, the dry powder inside the explosion-proof tank 24 is rapidly sprayed out and cooled, explosion is effectively avoided in time, meanwhile, when the explosion-proof tank 24 needs to be replaced or maintained, the bolt 36 is pulled to separate from the hole 34, the access door 32 is rotated through the rotating shaft 31, the clamping plate 23 is pushed and pulled to take away the explosion-proof tank 24, through the arrangement of the maintenance structure 3, not only dust erosion is effectively avoided, but also the later-stage replacement and maintenance of the explosion-proof tank 24 can be conveniently carried out, through the arrangement of the protection structure, when the battery is not needed to be used, the dust-proof plate 46 slides, so that the dust-proof plate 46 slides along the L-shaped sliding groove 41 through the sliding block 45 and slides to the other side of the shell 1, the inserting rod 47 is pressed simultaneously, the inserting rod 47 is inserted into the second hole 44, the effect of sealing the wiring groove 42 is achieved, dust or moist air is effectively prevented from corroding the wiring head 43, and the service life of the battery is prolonged.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An explosion-proof lithium battery, includes shell (1), its characterized in that: an explosion-proof structure (2) is fixedly arranged on the outer surface of the shell (1) at one side with a large area, the outer surface of the shell (1) is fixedly provided with an overhaul structure (3) at the top of the explosion-proof structure (2), a protective structure (4) is fixedly arranged on the outer surface of the shell (1) at one side with small area, the explosion-proof structure (2) comprises a groove (21), the groove (21) is arranged on the outer surface of the shell (1) on the side with large area, both sides of the inner wall of the groove (21) are fixedly provided with limiting springs (22), one end of each limiting spring (22) far away from the inner wall of the groove (21) is fixedly provided with a clamping plate (23), explosion-proof jar (24) have been placed to the inside of shell (1) is located between two grip blocks (23), the surface of explosion-proof jar (24) is pegged graft and is had rubber buffer (25).

2. The explosion-proof lithium battery of claim 1, wherein: the inside fixed mounting of shell (1) has expansion pipe (26), the inside of shell (1) is located one side fixed mounting of expansion pipe (26) and has seal box (28), the inner wall of recess (21) is fixed to be run through there is sleeve pipe (210).

3. An explosion-proof lithium battery as claimed in claim 2, characterized in that: the one side that inflation tube (26) and seal box (28) are relative all slides and runs through there is piston rod (27), one side that the inner wall of seal box (28) is located piston rod (27) slides and runs through there is ejector pin (29), the one end that seal box (28) were kept away from in ejector pin (29) slides and runs through sleeve pipe (210) and extend to the outside of sleeve pipe (210), the one end that sleeve pipe (210) were kept away from in ejector pin (29) is located the dead ahead of rubber buffer (25).

4. The explosion-proof lithium battery of claim 1, wherein: the maintenance structure (3) comprises a rotating shaft (31), the outer surface of the shell (1) is fixedly provided with the rotating shaft (31), the shell (1) is rotatably connected with an access door (32) through a rotating shaft (31), an inserting block (33) is fixed at the edge of the top of the access door (32), a first hole (34) is formed in the outer surface of the inserting block (33), a limiting block (35) is fixedly arranged on one side of the outer surface of the shell (1), a rectangular groove is formed in the limiting block (35), the rectangular groove is matched with the size of the insertion block (33), a bolt (36) penetrates through the outer surface of the limiting block (35) in a sliding manner, the outer surface of one end of the bolt (36) positioned outside the limiting block (35) is sleeved with a return spring (37), and two ends of the return spring (37) are respectively fixedly connected with the outer surface of the bolt (36) and the outer surface of the limiting block (35).

5. The explosion-proof lithium battery of claim 1, wherein: protective structure (4) include spout (41), spout (41) have all been seted up to the surface both sides of shell (1), spout (41) are "L" style of calligraphy, the inner wall fixed mounting of spout (41) has slider (45), the top fixed mounting of slider (45) has dust guard (46), the inside slip of dust guard (46) is run through there is inserted bar (47).

6. The explosion-proof lithium battery of claim 1, wherein: the surface of shell (1) is located and has seted up wiring groove (42) between two spout (41), the inside fixed mounting of wiring groove (42) has connector lug (43), No. two holes (44) have been seted up in the edge that the surface of shell (1) is located wiring groove (42).