CN216450740U

CN216450740U - Cylindrical polymer battery

Info

Publication number: CN216450740U
Application number: CN202122529384.4U
Authority: CN
Inventors: 梁诗建
Original assignee: Huizhou Kangpinlai Technology Co ltd
Current assignee: Huizhou Kangpinlai Technology Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-05-06
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a cylindrical polymer battery, which comprises an insulator, wherein the outer surface of the insulator is provided with a plurality of heat dissipation ports, the inner bottom wall of the insulator is provided with a first guide plate, the outer surface of the first guide plate is provided with a plurality of baffle plates, the upper surface of the first guide plate is provided with a plurality of battery cell main bodies, one end of each baffle plate, far away from the first guide plate, is provided with a second guide plate, the upper surface of the second guide plate is provided with a positive electrode lug and a negative electrode lug, a protection mechanism comprises a sleeve, the sleeve is arranged on the upper surface of the insulator, the lower surface of the sleeve is attached to the upper surface of the second guide plate, and the protection mechanism is arranged on the upper surface of the insulator through the sleeve. The utility model has the beneficial effects that: the positive electrode tab and the negative electrode tab can be prevented from discharging accidentally, the positive electrode tab and the negative electrode tab are protected, and the service life of the battery is prolonged.

Description

Cylindrical polymer battery

Technical Field

The utility model relates to a polymer battery, in particular to a cylindrical polymer battery, and belongs to the technical field of batteries.

Background

The cylindrical lithium ion battery is widely assembled by adopting a positive electrode film, a negative electrode film, a diaphragm and a cylindrical steel shell through a winding process, and then liquid electrolyte is added. The battery manufactured by the assembly structure has the characteristics of high energy density, high output voltage, small self-discharge, excellent cycle performance and the like, and can basically meet the requirements of the current market;

a plurality of cylinder polymer batteries establish ties and constitute group battery together, but the protection ability of most present group battery to electric core is lower, can automatic discharge when anodal ear and negative pole ear accident and other metal contact, leads to the inside electric quantity of battery to run off, reduces life, therefore we have proposed a cylinder polymer battery.

SUMMERY OF THE UTILITY MODEL

The present invention achieves the above objects by the following technical solution, a cylindrical polymer battery, comprising.

The battery cell comprises an insulator, a plurality of heat dissipation ports are formed in the outer surface of the insulator, a first guide plate is mounted on the inner bottom wall of the insulator, a plurality of baffles are mounted on the outer surface of the first guide plate, a plurality of battery cell main bodies are mounted on the upper surface of the first guide plate, a second guide plate is mounted at one end, away from the first guide plate, of each baffle, and a positive electrode lug and a negative electrode lug are mounted on the upper surface of the second guide plate;

and the protection mechanism comprises a sleeve, the sleeve is arranged on the upper surface of the insulator, the lower surface of the sleeve is attached to the upper surface of the second guide plate, and the protection mechanism is arranged on the upper surface of the insulator through the sleeve.

Preferably, the protection mechanism further comprises a moving groove, the moving groove is formed in one side of the positive electrode lug and one side of the negative electrode lug, the lower surfaces of the positive electrode lug and the negative electrode lug are provided with the conducting rods, and the outer surfaces of the conducting rods are movably sleeved with the first elastic pieces.

Preferably, two ends of the first elastic member are respectively mounted on the lower surface of the positive tab and the upper surface of the second guide plate, and the positive tab and the negative tab are respectively connected inside the two sleeves.

Preferably, the protection mechanism further comprises a fixing block, the fixing block is installed on the outer surface of the sleeve, a circular groove is formed in one side of the fixing block, the circular groove penetrates through the inner wall of the sleeve, and a threaded rod is inserted into the inner wall of the circular groove.

Preferably, the threaded rod is far away from one end of the fixed block and is provided with a round block, the outer surface of the threaded rod is sleeved with a second elastic part, and two ends of the second elastic part are respectively arranged on one side of the round block and one side of the fixed block.

Preferably, the outer surface of the threaded rod is connected with a threaded block, one side of the threaded block is attached to the inner wall of the fixed block, and one end, far away from the fixed block, of the threaded rod is inserted into the moving groove.

The utility model has the beneficial effects that:

1. through rotating the screw thread piece, make the threaded rod move forward, thereby can fix the wire and be connected with anodal ear and negative pole ear, can drive anodal ear and negative pole ear downstream simultaneously, compress first elastic component, make the conducting rod contact with the second baffle, thereby can work, and the threaded rod moves backward, first elastic component bounce-back makes anodal ear and negative pole ear rebound, make conducting rod and second baffle separation, thereby can play the effect of a protection to electric core, increase of service life.

2. Through cup jointing the wire on the threaded rod, then press the circular block, compression second elasticity makes anodal ear pass through the shifting chute and moves down, makes conducting rod and second baffle contact, at the fixed threaded rod of rotation thread piece to make anodal ear circular telegram, the rotation thread piece makes threaded rod and shifting chute break away from, thereby first elastic component bounce-back makes anodal ear rebound, and anodal ear outage, thereby plays certain guard action to the anodal ear.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of a cell structure according to the present invention;

FIG. 3 is a schematic view of the sleeve structure of the present invention.

In the figure: 1. an insulator; 101. a heat dissipation port; 2. a positive tab; 201. a negative tab; 202. a first guide plate; 203. a second guide plate; 204. a baffle plate; 205. a cell main body; 206. a moving groove; 3. a sleeve; 301. a first elastic member; 302. a conductive rod; 303. a fixed block; 304. a circular groove; 305. a threaded rod; 306. a thread block; 307. a circular block; 308. a second elastic member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the utility model discloses a cylindrical polymer battery,

according to fig. 1 and fig. 2, in an insulator 1, a plurality of heat dissipation ports 101 are formed in an outer surface of the insulator 1, a first guide plate 202 is fixedly connected to an inner bottom wall of the insulator 1, a plurality of baffle plates 204 are fixedly connected to an outer surface of the first guide plate 202, a plurality of cell main bodies 205 are fixedly connected to an upper surface of the first guide plate 202, a second guide plate 203 is fixedly connected to one end, away from the first guide plate 202, of the baffle plate 204, and a positive tab 2 and a negative tab 201 are mounted on an upper surface of the second guide plate 203;

the protection mechanism comprises a sleeve 3, the sleeve 3 is fixedly connected to the upper surface of the insulator 1, the lower surface of the sleeve 3 is attached to the upper surface of the second guide plate 203, and the protection mechanism is installed on the upper surface of the insulator 1 through the sleeve 3;

through rotating thread piece 306, make threaded rod 305 move forward, thereby can fix the wire and be connected with anodal ear 2 and negative pole ear 201, can drive anodal ear 2 and negative pole ear 201 downstream simultaneously, compress first elastic component 301, make conducting rod 302 and second baffle 203 contact, thereby can work, and threaded rod 305 moves back, first elastic component 301 bounce-back makes anodal ear 2 and negative pole ear 201 upward movement, make conducting rod 302 and second baffle 203 separate, thereby can play the effect of a protection to electric core.

As shown in fig. 3, the protection mechanism further includes a moving slot 206, the moving slot 206 is disposed at one side of the positive tab 2 and the negative tab 201, the lower surfaces of the positive tab 2 and the negative tab 201 are both fixedly connected with a conductive rod 302, and the outer surface of the conductive rod 302 is movably sleeved with a first elastic member 301;

two ends of the first elastic piece 301 are fixedly connected to the lower surface of the positive tab 2 and the upper surface of the second guide plate 203, and the positive tab 2 and the negative tab 201 are respectively connected inside the two sleeves 3 in a sliding manner;

the protection mechanism further comprises a fixed block 303, the fixed block 303 is fixedly connected to the outer surface of the sleeve 3, a circular groove 304 is formed in one side of the fixed block 303, the circular groove 304 penetrates through the inner wall of the sleeve 3, and a threaded rod 305 is movably inserted into the inner wall of the circular groove 304;

one end of the threaded rod 305, which is far away from the fixed block 303, is fixedly connected with a circular block 307, the outer surface of the threaded rod 305 is sleeved with a second elastic member 308, and two ends of the second elastic member 308 are respectively and fixedly connected to one side of the circular block 307 and one side of the fixed block 303;

the outer surface of the threaded rod 305 is in threaded connection with a threaded block 306, one side of the threaded block 306 is attached to the inner wall of the fixed block 303, and one end of the threaded rod 305, which is far away from the fixed block 303, is inserted into the moving groove 206;

through cup jointing the wire on threaded rod 305, then press circular block 307, compression second elasticity makes anodal ear 2 pass through shifting chute 206 downstream, make conducting rod 302 contact with second baffle 203, at the fixed threaded rod 305 of rotation screw block 306, thereby make anodal ear 2 circular telegram, rotation screw block 306 makes threaded rod 305 break away from with shifting chute 206, thereby first elastic component 301 bounce-back, make anodal ear 2 rebound, anodal ear 2 outage, thereby play certain guard action to the anodal ear, increase of service life.

The working principle is as follows:

when the cylindrical polymer battery is used, the round block 307 is pulled outwards firstly, the threaded rod 305 is driven to move outwards, the second elastic piece 308 is stretched, then one end of the lead is wound or sleeved on the outer surface of the threaded rod 305, and then the loosened round block 307 and the second elastic piece 308 rebound, so that the threaded rod 305 moves forwards;

then the screw block 306 is rotated, the screw block 306 rotates to drive the threaded rod 305 to move, the second elastic piece 308 is compressed, one end of the threaded rod 305 is attached to the inclined surface of the moving groove 206, the threaded rod 305 continues to move, the positive tab 2 moves downwards, the first elastic piece 301 is compressed, and after the threaded rod 305 is inserted into the moving groove 206, the lower surface of the conductive rod 302 is in contact with the upper surface of the second guide plate 203, so that the positive tab 2 and the negative tab 201 can discharge;

when the electrode tab is detached, the thread block 306 is rotated to prevent the thread block 306 from contacting the fixed block 303, then the second elastic member 308 rebounds to separate the threaded rod 305 from the moving groove 206, the first elastic member 301 rebounds to enable the anode tab 2 to move upwards, the conductive rod 302 does not contact the second guide plate 203, and discharging is interrupted, so that accidental discharging of the anode tab can be protected.

For those skilled in the art, by rotating the thread block 306, the threaded rod 305 is moved forward, so that the lead can be fixed and connected to the positive tab 2 and the negative tab 201, and at the same time, the positive tab 2 and the negative tab 201 can be driven to move downward, the first elastic member 301 is compressed, the conductive rod 302 is in contact with the second guide plate 203, so that the lead can work, and the threaded rod 305 moves backward, the first elastic member 301 rebounds to move the positive tab 2 and the negative tab 201 upward, so that the conductive rod 302 is separated from the second guide plate 203, so that the battery cell can be protected, and the service life of the battery cell can be prolonged;

through cup jointing the wire on threaded rod 305, then press circular block 307, compress the second elasticity and make anodal ear 2 pass through shifting chute 206 and move down, make conducting rod 302 and second baffle 203 contact, at the fixed threaded rod 305 of rotation screw block 306, thereby make anodal ear 2 circular telegram, rotation screw block 306 makes threaded rod 305 and shifting chute 206 break away from, thereby first elastic component 301 bounce-back, make anodal ear 2 rebound, anodal ear 2 cuts off the power supply, thereby play certain guard action to the anodal ear.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A cylindrical polymer battery, comprising:

the battery comprises an insulator (1), wherein a plurality of heat dissipation ports (101) are formed in the outer surface of the insulator (1), a first guide plate (202) is installed on the inner bottom wall of the insulator (1), a plurality of baffle plates (204) are installed on the outer surface of the first guide plate (202), a plurality of battery cell main bodies (205) are installed on the upper surface of the first guide plate (202), a second guide plate (203) is installed at one end, far away from the first guide plate (202), of each baffle plate (204), and a positive lug (2) and a negative lug (201) are installed on the upper surface of the second guide plate (203);

the protection mechanism comprises a sleeve (3), the sleeve (3) is installed on the upper surface of the insulator (1), the lower surface of the sleeve (3) is attached to the upper surface of the second guide plate (203), and the protection mechanism is installed on the upper surface of the insulator (1) through the sleeve (3).

2. The cylindrical polymer battery as defined in claim 1, wherein: protection mechanism still includes shifting chute (206), shifting chute (206) are seted up in one side of anodal ear (2) and negative pole ear (201), and just the lower surface of anodal ear (2) and negative pole ear (201) all installs conducting rod (302), first elastic component (301) have been cup jointed in the surface activity of conducting rod (302).

3. The cylindrical polymer battery as defined in claim 2, wherein: two ends of the first elastic piece (301) are respectively arranged on the lower surface of the positive tab (2) and the upper surface of the second guide plate (203), and the positive tab (2) and the negative tab (201) are respectively connected inside the two sleeves (3).

4. A cylindrical polymer battery according to claim 3, wherein: the protection mechanism further comprises a fixing block (303), the fixing block (303) is installed on the outer surface of the sleeve (3), a circular groove (304) is formed in one side of the fixing block (303), the circular groove (304) penetrates through the inner wall of the sleeve (3), and a threaded rod (305) is inserted into the inner wall of the circular groove (304).

5. The cylindrical polymer battery as defined in claim 4, wherein: the threaded rod (305) is far away from one end of the fixed block (303) and is provided with a round block (307), the outer surface of the threaded rod (305) is sleeved with a second elastic piece (308), and two ends of the second elastic piece (308) are respectively arranged on one side of the round block (307) and one side of the fixed block (303).

6. The cylindrical polymer battery as defined in claim 5, wherein: the outer surface of the threaded rod (305) is connected with a threaded block (306), one side of the threaded block (306) is attached to the inner wall of the fixed block (303), and one end, far away from the fixed block (303), of the threaded rod (305) is inserted into the moving groove (206).