CN216928788U - Low-temperature rate polymer lithium ion battery cell - Google Patents

Abstract

The utility model discloses a low-temperature rate polymer lithium ion battery cell, which comprises a battery box, a polymerization battery cell and a quick connection assembly, wherein the polymerization battery cell is fixedly arranged on the inner side of the battery box, and the quick connection assembly is fixedly arranged on the upper surface of the battery box. The utility model has the beneficial effects that: at the terminal of current lithium cell, one side setting that also be the polymerization electricity core can consolidate the fast subassembly that connects of relation between battery body and the external circuit, when using this device, directly press into the connector of external circuit and connect the subassembly soon in the middle of, push down the spacing voussoir of in-process connector lateral wall oppression, and promote to support tight slider and remove along the spout direction through spacing voussoir, when spacing voussoir chucking connector, make a plurality of tight sliders of supporting with the connector chucking under the effect of supporting tight spring, and utilize the effect of supporting tight spring to make connector and polymerization electricity core zonulae occludens, and simple structure is favorable to the dismouting to eliminate the trouble side by side.

Description

Low-temperature rate polymer lithium ion battery cell

Technical Field

The utility model relates to a low-temperature rate polymer lithium ion battery cell, in particular to a low-temperature rate polymer lithium ion battery cell, and belongs to the technical field of new energy batteries.

Background

The lithium battery is a battery using a non-aqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material, and thus, the battery is also called a lithium metal battery, and unlike other batteries, the lithium battery has characteristics of high charge density, long life, high unit cost, and the like, and can generate a voltage of 1.5V to 3.7V depending on a structural design and an electrode material.

The battery cell is a single metal bar which is used as a positive and negative conductive material, and is different from a battery which comprises a protection circuit and a shell and can be directly used, the lithium ion secondary rechargeable battery is composed of the battery cell and a protection circuit board, the protection circuit board removed from the rechargeable battery is the battery cell which is a power storage part in the rechargeable battery, the quality of the battery cell directly determines the quality of the rechargeable battery, the lithium battery cell in the prior art is generally connected with an external circuit through the battery cell to form a passage, but short circuit and open circuit often occur at the connection part of the circuit and the battery cell, and meanwhile, the stable connection of the battery cell and the circuit is ensured, so that the oxidation reaction on the surface of the battery cell can be effectively prevented, and therefore, the technical personnel in the field propose a low-temperature rate polymer lithium ion battery cell to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a low-temperature rate polymer lithium ion battery cell, which can prevent connection points from falling off and loosening when a battery is connected with an external circuit, and can enhance the connection stability between a battery body and the external circuit.

The utility model achieves the aim through the following technical scheme, and the low-temperature rate polymer lithium ion battery cell comprises a battery box, a polymerization battery cell and a quick connection assembly, and is characterized in that: a polymerization battery core is arranged on the inner side of the battery box, and a quick connection assembly is fixedly arranged on the upper surface of the battery box;

the quick connection assembly comprises a supporting sliding block, a supporting spring, a limiting wedge block and a protective cover, the sliding joint of the upper surface of the battery box is provided with the supporting sliding block, the supporting spring is arranged on one side of the supporting sliding block, the limiting wedge block is fixedly connected to one side, far away from the supporting spring, of the supporting sliding block, and the protective cover is fixedly connected to one side of the supporting sliding block and matched with the polymerization battery core.

Preferably, the inner wall of the battery box is fixedly provided with a partition plate, the top end of the battery box is fixedly clamped with a box cover, and one side of the box cover opposite to the battery box is provided with a matching body which is matched with the box cover.

Preferably, the inner wall of the battery box is fixedly connected with a battery core clamping sleeve matched with the polymerization battery core, the polymerization battery core is fixedly clamped on the inner side of the battery core clamping sleeve, the top end of the polymerization battery core penetrates through the box cover and extends to the upper side of the box cover, and the upper surface of the box cover is provided with a sliding groove matched with the abutting sliding block.

Preferably, the bottom end of the abutting sliding block is fixedly connected with a T-shaped sliding block matched with the sliding groove, the abutting spring is fixedly arranged on the inner side of the sliding groove, and one side, close to the abutting spring, of the abutting sliding block is fixedly connected with a protection plate matched with the sliding groove.

Preferably, the limiting wedge block is fixedly connected to the side surface of the abutting sliding block in a vertically large manner, a rubber pad is fixedly arranged on one side of the limiting wedge block, which is far away from the abutting sliding block, and a sealing rubber ring matched with the case cover is fixedly sleeved on the side surface of the polymerization electric core.

Preferably, the protective cover is fixedly connected to the upper surface of the protective plate, a conductive coil is fixedly arranged on the inner bottom surface of the battery box, and the conductive coil is communicated with the two battery cell clamping sleeves.

The utility model has the beneficial effects that: at the terminal of current lithium cell, one side setting that also is the polymerization electricity core can consolidate the fast subassembly that connects of relation between battery body and the external circuit, when using this device, directly press into the connector of external circuit and connect the subassembly soon in the middle of, push down the spacing voussoir of in-process connector side wall oppression, and promote to support tight slider through spacing voussoir and remove along the spout direction, when spacing voussoir chucking connector, make a plurality of tight sliders of supporting with the connector chucking under the effect of supporting tight spring, and utilize the effect of supporting the tight spring to make connector and polymerization electricity core zonulae occludens.

The battery body in the device mainly comprises a battery box, a polymerization battery core, a box cover and a quick connection assembly, and the structure can be quickly disassembled and assembled in use so as to conveniently remove faults of the battery and supplement electric power storage, and the structure of the device is simpler than that of the existing lithium battery.

Drawings

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

FIG. 2 is a cross-sectional view of the overall structure;

FIG. 3 is an enlarged view of the quick connect assembly of FIG. 2;

fig. 4 is an enlarged view of a structure in fig. 2.

In the figure: 1. a battery box; 2. polymerizing the battery cell; 3. a quick connect assembly; 301. tightly abutting against the sliding block; 302. the spring is tightly propped; 303. limiting a wedge block; 304. a protective cover; 4. a partition plate; 5. a box cover; 6. a mating body; 7. a battery core clamping sleeve; 8. a chute; 9. a T-shaped slider; 10. a protection plate; 11. a rubber pad; 12. and sealing the rubber ring.

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 low-temperature rate polymer lithium ion battery cell:

according to the attached drawing 1, the battery box comprises a battery box 1, a polymerization battery core 2 and a quick connection assembly 3, wherein the polymerization battery core 2 is fixedly arranged on the inner side of the battery box 1, a box cover 5 is fixedly clamped at the top end of the battery box 1, the battery box 1 is sealed through the box cover 5, the quick connection assembly 3 is fixedly arranged on the upper surface of the box cover 5, and the quick connection assembly 3 is connected with an external circuit in a quick and stable manner.

According to the attached drawings 2-3, the quick-connecting assembly 3 comprises a abutting sliding block 301, an abutting spring 302, a limiting wedge 303 and a protective cover 304, the sliding block 301 is clamped on the upper surface of the battery box 1 in a sliding mode, the abutting spring 302 is arranged on one side of the abutting sliding block 301, two ends of the abutting spring 302 are respectively abutted to the inner wall of the abutting sliding block 301 and the inner wall of the box cover 5 in a abutting mode, and abutting force is exerted on the abutting sliding block 301 through the inner wall of the box cover 5.

Support one side fixedly connected with spacing voussoir 303 that tight slider 301 kept away from to support tight spring 302, spacing voussoir 303 is the regular triangle piece, and two inclined planes of spacing voussoir 303 correspond external circuit connector respectively for can realize the screens to external circuit connector through spacing voussoir 303, support one side fixedly connected with of tight slider 301 and the protection casing 304 of polymerization electricity core 2 looks adaptation, can keep apart polymerization electricity core 2 with the external world through protection casing 304, with this protection power supply.

The fixed baffle 4 that is provided with of inner wall of battery box 1, the fixed joint in top of battery box 1 has case lid 5, and case lid 5 is provided with the cooperation body 6 of mutual adaptation with one side that battery box 1 is relative, can be with the fixed joint of case lid 5 and battery box 1 through cooperation body 6 to electrolyte in the battery box 1 is sealed to be preserved.

Inner wall fixedly connected with of battery box 1 and the electric core cutting ferrule 7 of the mutual adaptation of polymerization electric core 2, the fixed joint of polymerization electric core 2 is in the inboard of electric core cutting ferrule 7, and electric core cutting ferrule 7 cooperates with polymerization electric core 2, carries on spacingly to polymerization electric core 2, prevents that it from rocking, and the top of polymerization electric core 2 runs through case lid 5 and extends to the top of case lid 5, and the upper segment of polymerization electric core 2 uses as battery and external circuit's terminal.

Big end up fixed connection is in the side of supporting tight slider 301 in spacing voussoir 303, and one side that spacing voussoir 303 kept away from to tight slider 301 is fixed and is provided with rubber pad 11, and rubber pad 11 increases the connection compactness between the two to prevent the electric leakage, the fixed sealing rubber circle 12 that has cup jointed 5 looks adaptations of case lid in the side of polymerization electricity core 2, can also realize the spacing fixed to polymerization electricity core 2 through sealing rubber circle 12.

According to the illustration in fig. 4, the upper surface of the box cover 5 is provided with a sliding groove 8 matched with the abutting sliding block 301, the bottom end of the abutting sliding block 301 is fixedly connected with a T-shaped sliding block 9 matched with the sliding groove 8, the abutting spring 302 is fixedly arranged on the inner side of the sliding groove 8, and one side of the abutting sliding block 301 close to the abutting spring 302 is fixedly connected with a protection plate 10 matched with the sliding groove 8.

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 (6)

1. The utility model provides a low temperature multiplying power polymer lithium ion battery cell, includes battery box (1), polymerization electricity core (2) and connects subassembly (3) soon, its characterized in that: a polymerization battery core (2) is arranged on the inner side of the battery box (1), and a quick connection assembly (3) is fixedly arranged on the upper surface of the battery box (1);

connect subassembly (3) including supporting tight slider (301), supporting tight spring (302), spacing voussoir (303) and protection casing (304), the upper surface slip joint of battery box (1) has to support tight slider (301), one side of supporting tight slider (301) is provided with supports tight spring (302), support tight slider (301) and keep away from one side fixedly connected with spacing voussoir (303) of supporting tight spring (302), support one side fixedly connected with and the protection casing (304) of polymerization electricity core (2) looks adaptation of tight slider (301).

2. The low-temperature rate polymer lithium ion battery cell of claim 1, wherein: the inner wall of battery box (1) is fixed and is provided with baffle (4), the top fixed joint of battery box (1) has case lid (5), one side that case lid (5) and battery box (1) are relative is provided with the cooperation body (6) of mutual adaptation.

3. The low-temperature rate polymer lithium ion battery cell of claim 1, wherein: the battery box is characterized in that the inner wall of the battery box (1) is fixedly connected with an electric core clamping sleeve (7) matched with a polymerization electric core (2) mutually, the polymerization electric core (2) is fixedly clamped on the inner side of the electric core clamping sleeve (7), the top end of the polymerization electric core (2) penetrates through the box cover (5) and extends to the upper side of the box cover (5), and a sliding groove (8) matched with the tight sliding block (301) is formed in the upper surface of the box cover (5).

4. The low-temperature rate polymer lithium ion battery cell of claim 1, wherein: the bottom end of the abutting sliding block (301) is fixedly connected with a T-shaped sliding block (9) matched with the sliding groove (8), the abutting spring (302) is fixedly arranged on the inner side of the sliding groove (8), and one side, close to the abutting spring (302), of the abutting sliding block (301) is fixedly connected with a protection plate (10) matched with the sliding groove (8).

5. The low-temperature rate polymer lithium ion battery cell of claim 1, wherein: the limiting wedge block (303) is fixedly connected to the side face of the tight-supporting sliding block (301) in a small-end-up mode, a rubber pad (11) is fixedly arranged on one side, away from the tight-supporting sliding block (301), of the limiting wedge block (303), and a sealing rubber ring (12) matched with the box cover (5) is fixedly sleeved on the side face of the polymerization battery core (2).

6. The low-temperature rate polymer lithium ion battery cell of claim 1, wherein: the protective cover (304) is fixedly connected to the upper surface of the protective plate (10), a conductive coil is fixedly arranged on the inner bottom surface of the battery box (1), and the conductive coil is communicated with the two battery core clamping sleeves (7).

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