CN216436067U

CN216436067U - Lithium battery with anti-expansion explosion structure

Info

Publication number: CN216436067U
Application number: CN202122985860.3U
Authority: CN
Inventors: 舒江
Original assignee: Shenzhen Huayu New Energy Technology Co ltd
Current assignee: Shenzhen Huayu New Energy Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-03
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a lithium cell with prevent inflation explosion structure, including installation mechanism and packing mechanism, the mechanism is closed to the lid that is used for restricting anti-drop is installed at installation mechanism's top for the inflation is prevented in the cooling packing mechanism sets up in installation mechanism's inner wall inboard. This lithium cell with prevent inflation explosion structure, compare with current device, through the peg graft pole, can be when main part battery and dustcoat be assembled between one another, peg graft the location, thereby can improve the wholeness after the combination, avoid taking place to remove and rock, simultaneously it is nimble more convenient when taking out, through the fixed plate, can install whole vertical downwards on the great article of area, through the loose axle, can turn back the fixed plate in the dustcoat, thereby can install whole in the narrower article of area from the bottom, thereby it is more nimble when making fixed, through roof and fixing bolt, can restrict after main part battery installation, avoid it to take place to drop.

Description

Lithium battery with anti-expansion explosion structure

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell with prevent inflation explosion structure.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution using lithium metal or a lithium alloy as a positive/negative electrode material, and can be roughly classified into two types: lithium metal batteries and lithium ion batteries, the lithium ion batteries do not contain metallic lithium and can be charged, the fifth generation product of rechargeable batteries, namely lithium metal batteries, was born in 1996, the safety, specific capacity, self-discharge rate and cost performance ratio of the lithium metal batteries are all superior to those of the lithium ion batteries, and due to the high technical requirement limitation of the lithium metal batteries, only a few national companies produce the lithium metal batteries.

The existing lithium battery can generate high temperature during working, cannot be cooled in time, and is easy to expand and explode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell with prevent inflation explosion structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium cell with prevent explosion structure that expands, includes installation mechanism and filling mechanism, installation mechanism's top is installed and is used for restricting anti-drop's lid to close the mechanism for the inflation is prevented in the cooling filling mechanism sets up in installation mechanism's inner wall inboard, installation mechanism's external fixed surface has the fixed establishment who is used for ventilative heat extraction, and installation mechanism's internal fixed surface has the enhancement mechanism that is used for preventing stabbing, filling mechanism includes installation cavity, filling tube and reinforced chamber, the mid-mounting of installation cavity has the filling tube, and the inside of filling tube has seted up the feeding chamber, fixed establishment includes apron, screw and blow vent, the screw is installed to the upper and lower side of apron, and one side of apron is provided with the blow vent.

Further, installation mechanism includes dustcoat, main part battery and peg graft pole, the inboard middle part of dustcoat is provided with main part battery, and the bottom both sides of main part battery are fixed with the peg graft pole.

Furthermore, installation mechanism still includes fixed plate and loose axle, the fixed plate is installed in the bottom both sides of dustcoat, and the left end of fixed plate is connected with the loose axle.

Further, installation mechanism still includes the silica gel conducting strip, the silica gel conducting strip is fixed in the inner wall both sides of dustcoat, and the surface of silica gel conducting strip closely laminates with the surface of main part battery.

Further, the mechanism that closes includes roof, terminal and fixing bolt, the terminal has been run through in the middle part of roof, and the both sides mid-mounting of roof has fixing bolt.

Furthermore, the cover mechanism further comprises a clamping cover, the clamping cover is installed above the outer portion of the binding post, and the clamping cover is connected with the top plate in a clamped mode.

Further, strengthen the mechanism and mould board, nickel screen layer and diaphragm layer including outside, the top of moulding the board outward is provided with the nickel screen layer, and the top on nickel screen layer is connected with the diaphragm layer.

Compared with the prior art, the utility model provides a lithium cell with prevent inflation explosion structure possesses following beneficial effect: this lithium cell can carry out nimble installation, and avoids taking place to damage the problem of breaking, can prevent to take place the danger of inflation explosion simultaneously.

1. The utility model discloses an inserting rod can be when main part battery and dustcoat be assembled together, peg graft the location, thereby can improve the wholeness after the combination, avoid taking place to remove and rock, simultaneously more nimble convenient when taking out, through the fixed plate, can install whole vertical downwards on the great article of area, through the loose axle, can turn back the fixed plate in the dustcoat, thereby can install whole from the bottom in the narrower article of area, thereby make when fixed more nimble, through roof and fixing bolt, can restrict after main part battery installation, avoid it to take place to drop;

2. the utility model discloses a silica gel conducting strip, it is soft material, has certain deformability, thereby when heat conduction, can protect the side again when main part battery assembles, absorb the impact shock force, guarantee the stability of main part battery work, through the block cover, can protect the terminal, avoid receiving the problem of corruption and emergence electric leakage when idle, through the nickel screen layer, it is bilayer structure, can improve holistic intensity, avoid sharp-pointed article to pierce and take place the weeping damage;

3. the utility model discloses a feeding chamber, wherein can add the coolant liquid, and the coolant liquid does not fill up the filling tube, makes the coolant liquid have certain mobility in the filling tube to be favorable to thermal absorption and heat extraction, absorptive heat can be followed installation cavity and blow vent and discharged, with this effect that reaches the cooling, avoids the heat to gather in inside for a long time, causes the danger of expansion explosion easily, through apron and screw, can open, thereby takes out the change to the filling tube.

Drawings

FIG. 1 is a schematic view of the overall front view of the internal structure of the present invention;

FIG. 2 is a schematic view of the overall front view of the external structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. an installation mechanism; 101. a housing; 102. a main battery; 103. a plug rod; 104. a fixing plate; 105. a movable shaft; 106. a silica gel heat conducting sheet; 2. a covering mechanism; 201. a top plate; 202. a binding post; 203. fixing the bolt; 204. a clamping cover; 3. a filling mechanism; 301. a mounting cavity; 302. a fill tube; 303. a feeding cavity; 4. a fixing mechanism; 401. a cover plate; 402. a screw; 403. a vent; 5. a reinforcing mechanism; 501. an outer plastic plate; 502. a nickel mesh layer; 503. a membrane layer.

Detailed Description

As shown in figure 1, a lithium battery with an anti-expansion explosion structure comprises an installation mechanism 1 and a filling mechanism 3, wherein a covering mechanism 2 used for limiting anti-falling is installed at the top of the installation mechanism 1, the filling mechanism 3 used for cooling and preventing expansion is arranged on the inner side of the inner wall of the installation mechanism 1, an outer cover 101, a main battery 102 and an insertion rod 103 are arranged in the middle of the inner side of the outer cover 101, the insertion rod 103 is fixed on two sides of the bottom of the main battery 102, the insertion rod 103 can be used for insertion positioning when the main battery 102 is assembled and connected with the outer cover 101, so that the integrity after combination can be improved, the movement and shaking are avoided, meanwhile, the lithium battery is more flexible and convenient to take out, a fixed plate 104 and a movable shaft 105 are installed on two sides of the bottom of the outer cover 101, the left end of the fixed plate 104 is connected with the movable shaft 105, and the fixed plate 104, the whole body can be vertically and downwards installed on an object with a large area, the fixing plate 104 can be rotated back into the outer cover 101 through the movable shaft 105, so that the whole body can be installed in the object with a narrow area from the bottom, and the fixing is more flexible, the silica gel heat conducting sheet 106 and the silica gel heat conducting sheet 106 are fixed on two sides of the inner wall of the outer cover 101, the outer surface of the silica gel heat conducting sheet 106 is tightly attached to the outer surface of the main body battery 102, the silica gel heat conducting sheet 106 is made of soft materials and has certain deformability, so that the side surface can be protected when the main body battery 102 is assembled during heat conduction, impact vibration force is absorbed, the working stability of the main body battery 102 is ensured, the top plate 201, the binding post 202 and the fixing bolt 203 are arranged in the middle of the top plate 201, the binding post 202 penetrates through the middle of the top plate 201, and the fixing bolts 203 are arranged in the middle of two sides of the top plate 201, the main battery 102 can be limited after being installed through the top plate 201 and the fixing bolt 203, so that the main battery 102 is prevented from falling off, the clamping cover 204 is arranged above the outer portion of the wiring terminal 202, the clamping cover 204 is clamped with the top plate 201, the wiring terminal 202 can be protected through the clamping cover 204, and the problems of corrosion and electric leakage when the main battery is idle are avoided;

as shown in fig. 1-3, a fixing mechanism 4 for ventilation and heat dissipation is fixed on an outer surface of the mounting mechanism 1, a reinforcing mechanism 5 for puncture prevention is fixed on an inner surface of the mounting mechanism 1, the filling mechanism 3 includes a mounting cavity 301, a filling pipe 302 and a charging cavity 303, the filling pipe 302 is installed in the middle of the mounting cavity 301, the charging cavity 303 is opened inside the filling pipe 302, the fixing mechanism 4 includes a cover plate 401, a screw 402 and a vent 403, the screw 402 is installed above and below the cover plate 401, and the vent 403 is installed on one side of the cover plate 401, through the charging cavity 303, a cooling liquid can be added into the filling pipe 302, and the cooling liquid does not fill the filling pipe 302, so that the cooling liquid has certain mobility in the filling pipe 302, thereby facilitating heat absorption and heat dissipation, the absorbed heat can be discharged from the mounting cavity 301 and the vent 403, thereby achieving the effect of cooling, avoid the heat to gather in inside for a long time, cause the danger of inflation explosion easily, through apron 401 and screw 402, can open, thereby take out the change to fill tube 302, mould board 501 outward, nickel stratum reticulare 502 and diaphragm layer 503 outward, the top of moulding board 501 outward is provided with nickel stratum reticulare 502, and the top of nickel stratum reticulare 502 is connected with diaphragm layer 503, through nickel stratum reticulare 502, it is bilayer structure, can improve holistic intensity, avoid sharp-pointed object to pierce and take place the weeping and damage.

The working principle is as follows: when the lithium battery is used, firstly, the insertion rod 103 can be inserted and positioned when the main battery 102 is assembled and connected with the outer cover 101, so that the integrity after combination can be improved, the movement and the shaking are avoided, and the lithium battery is more flexible and convenient to take out, then, the whole can be vertically and downwards arranged on an object with a larger area through the fixing plate 104, then, the fixing plate 104 can be rotated back into the outer cover 101 through the movable shaft 105, so that the whole can be arranged in the object with the narrower area from the bottom, so that the fixing is more flexible, the lithium battery can be limited after the main battery 102 is arranged through the top plate 201 and the fixing bolt 203, the falling of the lithium battery is avoided, at the moment, the silica gel heat conducting sheet 106 which is soft material and has certain deformability, so that the side surface can be protected when the main battery 102 is assembled and the heat conducting sheet is soft, absorbs the shock force to ensure the stability of the operation of the main cell 102, and then, by engaging the cap 204, the post 202 can be protected from corrosion and leakage problems during idle, and then through the nickel mesh layer 502, the double-layer structure can improve the integral strength and avoid the leakage damage caused by the penetration of sharp objects, and at the moment, the sharp objects pass through the feeding cavity 303, wherein the cooling fluid may be added and not fill the filling tube 302, so that the cooling fluid has a certain mobility in the filling tube 302, thereby facilitating heat absorption and heat removal, the absorbed heat can be removed from the installation cavity 301 and the vent 403, with the effect of this reaching the cooling, avoid the heat to gather in inside for a long time, cause the danger of inflation explosion easily, through apron 401 and screw 402 at last, can open to take out the change to filling tube 302.

Claims

1. The utility model provides a lithium cell with prevent explosion structure that expands, includes installation mechanism (1) and filling mechanism (3), its characterized in that, the top of installation mechanism (1) is installed and is used for restricting anti-drop's lid to close mechanism (2), is used for the cooling to prevent expanding filling mechanism (3) set up in the inner wall of installation mechanism (1) is inboard, the external fixed surface of installation mechanism (1) has fixed establishment (4) that are used for ventilative heat extraction, and the internal fixed surface of installation mechanism (1) has reinforcing mechanism (5) that are used for preventing stabbing, filling mechanism (3) are including installation cavity (301), filling tube (302) and reinforced chamber (303), the mid-mounting of installation cavity (301) has filling tube (302), and reinforced chamber (303) have been seted up to the inside of filling tube (302), fixing mechanism (4) are including apron (401), screw (402) and blow vent (403), screws (402) are installed above and below the cover plate (401), and a vent (403) is arranged on one side of the cover plate (401).

2. The lithium battery with the structure for preventing the expansion and explosion as claimed in claim 1, wherein the mounting mechanism (1) comprises an outer cover (101), a main battery (102) and a plug rod (103), the main battery (102) is arranged in the middle of the inner side of the outer cover (101), and the plug rod (103) is fixed on two sides of the bottom of the main battery (102).

3. The lithium battery with the structure for preventing the expansion and explosion as claimed in claim 2, wherein the mounting mechanism (1) further comprises a fixed plate (104) and a movable shaft (105), the fixed plate (104) is mounted at two sides of the bottom of the housing (101), and the movable shaft (105) is connected to the left end of the fixed plate (104).

4. The lithium battery with the structure for preventing the expansion and explosion as claimed in claim 2, wherein the mounting mechanism (1) further comprises a silicone heat conducting sheet (106), the silicone heat conducting sheet (106) is fixed on two sides of the inner wall of the outer cover (101), and the outer surface of the silicone heat conducting sheet (106) is tightly attached to the outer surface of the main battery (102).

5. The lithium battery with the structure for preventing the expansion and explosion as claimed in claim 1, wherein the covering mechanism (2) comprises a top plate (201), a binding post (202) and a fixing bolt (203), the binding post (202) penetrates through the middle part of the top plate (201), and the fixing bolt (203) is installed in the middle parts of two sides of the top plate (201).

6. The lithium battery with the structure for preventing the expansion and explosion as claimed in claim 5, wherein the cover mechanism (2) further comprises a clamping cover (204), the clamping cover (204) is installed above the outer part of the binding post (202), and the clamping cover (204) is clamped with the top plate (201).

7. The lithium battery with the structure for preventing expansion and explosion as claimed in claim 1, wherein the reinforcing mechanism (5) comprises an outer plastic plate (501), a nickel mesh layer (502) and a membrane layer (503), the nickel mesh layer (502) is arranged above the outer plastic plate (501), and the membrane layer (503) is connected above the nickel mesh layer (502).