CN212625879U

CN212625879U - Waterproof lithium battery

Info

Publication number: CN212625879U
Application number: CN202021378867.8U
Authority: CN
Inventors: 郭浩; 王东霞; 刘铁成; 王东猛; 石春梅; 李继宝; 易永彪
Original assignee: Anhui Hongfuyuan New Energy Technology Co ltd
Current assignee: Anhui Hongfuyuan New Energy Technology Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-02-26
Anticipated expiration: 2030-07-14

Abstract

The utility model provides a waterproof lithium battery relates to the lithium cell field, including waterproof box and apron, lithium cell body is installed to the interior bottom of waterproof box, and the left and right sides of waterproof box is provided with anodal wiring groove and negative pole wiring groove, and anodal wiring groove and negative pole wiring inslot portion are provided with the through wires hole, and lithium cell body's the left and right sides is provided with anodal electric piece and negative pole electric piece, and is connected with anodal conductor wire and negative pole conductor wire, and the outside that the inboard of through wires hole is located anodal conductor wire and negative pole conductor wire is provided with inside waterproof component. The utility model discloses in through sealed fixing base and inside waterproof component's dual function, effectually prevent that external liquid from permeating the inside of waterproof box from the through wires hole, through the setting of four springs and circular arc template, can with the circular arc template tight splice into the surface of loop configuration parcel at positive conductor wire and negative pole conductor wire, whole utility model discloses simple structure, the installation of lithium cell is dismantled conveniently, and water-proof effects is good, and the practicality is high.

Description

Waterproof lithium battery

Technical Field

The utility model relates to a lithium cell field especially relates to a waterproof lithium cell.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable.

At present, current lithium cell simple structure, the functional not enough does not have effectual precaution and safeguard measure to waterproof etc. the short circuit can appear in the during operation, influences the normal use of lithium cell, triggers the conflagration even. To this end, we propose a waterproof lithium battery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof lithium cell to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: a waterproof lithium battery comprises a waterproof box body and a cover plate, wherein the cover plate is arranged at the upper end opening of the waterproof box body, a lithium battery body is arranged at the inner bottom of the waterproof box body through a fixed clamping plate, a positive wiring groove and a negative wiring groove are formed in the left side and the right side of the waterproof box body, threading holes are formed in the inner parts of the positive wiring groove and the negative wiring groove and are positioned on the side wall of the waterproof box body, a positive electrode electric sheet and a negative electrode electric sheet are arranged on the left side and the right side of the lithium battery body, a positive conductive wire is connected onto the positive electrode electric sheet, a negative conductive wire is connected onto the negative electrode electric sheet, the positive conductive wire and the negative conductive wire respectively pass through the threading holes in the positive wiring groove and the negative wiring groove, a sealed fixed seat is arranged outside the threading holes, an internal waterproof assembly is arranged on the outer side of the positive, the directional support lid axle center is provided with four springs, every on the inside wall of support lid the end of spring all is provided with the same circular arc template, four circular arc templates besieged city circular structure, be provided with sealing strip and absorbent sponge on the inside wall of circular arc template, the mid point position of supporting the lid is provided with the round hole, the upper end of circular arc template is provided with the slider, it uses the round hole to be provided with the spout as the center to support the lid upper end.

Preferably, when the four arc-shaped plates are spliced together, the four springs are all in a compressed state.

Preferably, the support cover is a cylindrical barrel structure with one end not sealed, the open end of the support cover is fixedly installed on the inner side wall of the waterproof box body, and the central axis of the support cover coincides with the circle center of the threading hole.

Preferably, install the dehumidifier on the lateral wall of waterproof box, and dehumidifier work end is located the waterproof box, the internally mounted of waterproof box has humidity transducer, and humidity transducer and the controller electric connection of dehumidifier.

Preferably, one side of apron is rotated through the axis of rotation and is installed in opening one side of waterproof box, the axis of rotation one end downside is kept away from to the apron is provided with the recess, the opening part of waterproof box is kept away from axis of rotation one side level and is fixed and be provided with the support flange, supports the flange and mutually supports with the recess, the vertical recess that passes in upper end of apron and support the flange and install fixing bolt, all be provided with the sealing rubber circle with waterproof box opening junction all around the apron.

Preferably, a handle is arranged on one side, away from the rotating shaft, of the upper end of the cover plate.

Preferably, the arc-shaped plate is made of hard rubber.

The utility model has the advantages that:

the utility model can protect the lithium battery body by arranging the waterproof box body and the cover plate, more effectively prevent the external liquid from permeating into the waterproof box body from the threading hole through the double functions of the sealing fixed seat and the internal waterproof component, and can tightly splice the arc-shaped plates into an annular structure to be wrapped on the surfaces of the positive conductor wire and the negative conductor wire by arranging the four springs and the four arc-shaped plates, one side of the arc-shaped plate is tightly attached to one ring of the inner side wall of the threading hole, the surface combination of the arc-shaped plate and the surfaces of the positive conductor wire and the negative conductor wire is tighter by arranging the sealing strip and the water-absorbing sponge, the waterproof effect is more, the installation of the cover plate is more stable and tighter by arranging the groove on the lower side of the cover plate and the supporting convex plate on the waterproof box body, the sealing performance is better, the whole utility model has simple structure, the lithium battery is convenient to install and disassemble, good in waterproof effect and high in practicability.

Drawings

Fig. 1 is a schematic perspective view of a waterproof lithium battery of the present invention;

FIG. 2 is a schematic view of the internal structure of the waterproof box of the present invention;

fig. 3 is a schematic perspective view of the support cover of the present invention;

FIG. 4 is a schematic view of the spring structure of the present invention;

FIG. 5 is a schematic view of the back structure of the support cover of the present invention;

FIG. 6 is a schematic view of a three-dimensional structure of a circular arc template of the present invention;

fig. 7 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

Reference numerals: 1. a waterproof box body; 2. a cover plate; 3. fixing the clamping plate; 4. a lithium battery body; 5. a positive wiring groove; 6. a negative wiring groove; 7. threading holes; 8. a positive electrode tab; 9. a negative electrode tab; 10. a positive conductive line; 11. a negative conductive wire; 12. sealing the fixed seat; 13. an interior water resistant component; 131. a support cover; 132. a spring; 133. an arc-shaped template; 134. a sealing strip; 135. a water-absorbing sponge; 136. a circular hole; 137. a slider; 138. a chute; 14. a dehumidifier; 15. a rotating shaft; 16. a groove; 17. a supporting convex plate; 18. and (5) fixing the bolt.

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 efforts 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.

Example 1

As shown in fig. 1-7, a waterproof lithium battery comprises a waterproof box body 1 and a cover plate 2, wherein the cover plate 2 is installed at an opening at the upper end of the waterproof box body 1, a lithium battery body 4 is installed at the inner bottom of the waterproof box body 1 through a fixing splint 3, a positive wiring groove 5 and a negative wiring groove 6 are arranged at the left side and the right side of the waterproof box body 1, threading holes 7 are arranged inside the positive wiring groove 5 and the negative wiring groove 6 and positioned on the side wall of the waterproof box body 1, a positive electrode electric sheet 8 and a negative electrode electric sheet 9 are arranged at the left side and the right side of the lithium battery body 4, a positive conductor wire 10 is connected to the positive electrode electric sheet 8, a negative conductor wire 11 is connected to the negative electrode electric sheet 9, the positive conductor wire 10 and the negative conductor wire 11 respectively pass through the threading holes 7 positioned in the positive wiring groove 5 and the negative wiring groove 6, and a sealing, the outside that the inboard of through wires hole 7 is located anodal conductor wire 10 and negative pole conductor wire 11 is provided with inside waterproof assembly 13, and inside waterproof assembly 13 is including supporting lid 131, and directional support lid 131 axle center is provided with four springs 132 on supporting lid 131's the inside wall, every spring 132's end all is provided with the same circular arc template 133, four circular arc templates 133 encloses city circular structure, be provided with sealing strip 134 and absorbent sponge 135 on circular arc template 133's the inside wall, the mid point position of supporting lid 131 is provided with round hole 136, circular arc template 133's upper end is provided with slider 137, it uses round hole 136 to be provided with spout 138 as the center to support lid 131 upper end.

Install dehumidifier 14 on the lateral wall of waterproof box 1, and dehumidifier 14 work ends is located waterproof box 1, waterproof box 1's internally mounted has humidity transducer, and humidity transducer and dehumidifier 14's controller electric connection.

One side of apron 2 is rotated through axis of rotation 15 and is installed in opening one side of waterproof box 1, apron 2 is kept away from 15 one end downside of axis of rotation and is provided with recess 16, the opening part of waterproof box 1 is kept away from 15 one side levels of axis of rotation and is fixed and be provided with support flange 17, supports flange 17 and recess 16 and mutually supports, the vertical recess 16 that passes in upper end of apron 2 and support flange 17 and install fixing bolt 18, all be provided with the sealing rubber circle with waterproof box 1 opening junction all around of apron 2.

The working principle is as follows:

in the process of installing the lithium battery body 4, the lithium battery body 4 is fixed between the fixing clamping plates 3, then the positive electrode conducting wire 10 and the negative electrode conducting wire 11 are respectively and fixedly installed on the positive electrode electric sheet 8 and the negative electrode electric sheet 9, then the free ends of the positive electrode conducting wire 10 and the negative electrode conducting wire 11 sequentially penetrate through the internal waterproof component 13, the threading hole 7 and the sealing fixing seat 12 and then reach the inside of the positive electrode wiring groove 5 and the negative electrode wiring groove 6, so that the installation and the fixation of the lithium battery body 4 are completed, and then the cover plate 2 is tightly sealed at the upper end of the waterproof box body 1, so that the waterproof box body 1 protects the lithium battery body 4;

when the waterproof box body 1 is soaked by water, due to the arrangement of the sealing fixed seat 12 and the internal waterproof component 13, external water is difficult to enter the waterproof box body 1 from the positive wiring groove 5 and the negative wiring groove 6 through the threading holes 7, the four arc-shaped plates 133 are tightly spliced together under the action of the spring 132, the four arc-shaped plates 133 form a disc-shaped structure, one side of each arc-shaped plate 133 is tightly attached to the inner side wall of the waterproof box body 1, the positive conductive wire 10 and the negative conductive wire 11 penetrate through round holes formed in the middle of the four arc-shaped plates 133, the inner side wall of each arc-shaped plate 133 is tightly contacted with the outer side walls of the positive conductive wire 10 and the negative conductive wire 11, and due to the arrangement of the sealing strips 134 and the water absorption sponge 135, when external water is immersed into the arc-shaped plates 133, the external water can be intercepted or absorbed, so as to further prevent the liquid from entering the waterproof box body 1, has good waterproof effect.

When closing apron 2, the handle is held to the staff for apron 2 centers on axis of rotation 15 and rotates, finally makes the recess 16 and the support flange 17 of apron 2 downside combine, and apron 2 is in the horizontality, because all is provided with the sealing rubber circle around apron 2 and waterproof box 1 opening junction, so guaranteed the sealed effect of apron 2, last fixing bolt 18 is gone up in the cooperation tightly fixes apron 2 on waterproof box 1.

When the humidity sensor in the waterproof box body 1 detects moisture or humidity to be large, the humidity sensor can control the dehumidifier (11) to start working, and the drying in the waterproof box body 1 is ensured.

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. The utility model provides a waterproof lithium cell, includes waterproof box (1) and apron (2), its characterized in that:

the cover plate (2) is arranged at an upper end opening of the waterproof box body (1), the inner bottom of the waterproof box body (1) is provided with a lithium battery body (4) through a fixing clamping plate (3), the left side and the right side of the waterproof box body (1) are provided with a positive wiring groove (5) and a negative wiring groove (6), the inner parts of the positive wiring groove (5) and the negative wiring groove (6) are positioned on the side wall of the waterproof box body (1) and are provided with threading holes (7), the left side and the right side of the lithium battery body (4) are provided with a positive electric sheet (8) and a negative electric sheet (9), the positive electric sheet (8) is connected with a positive conducting wire (10), the negative electric sheet (9) is connected with a negative conducting wire (11), the positive conducting wire (10) and the negative conducting wire (11) respectively pass through the threading holes (7) positioned in the positive wiring groove (5) and the negative wiring groove (6), and the outside of the threading hole (7) is provided with a sealed fixed seat (12), the inside of the threading hole (7) is positioned at the outside of the anode conductive wire (10) and the cathode conductive wire (11) and is provided with an internal waterproof component (13), the internal waterproof component (13) comprises a supporting cover (131), four springs (132) are arranged on the inner side wall of the supporting cover (131) and point to the axis of the supporting cover (131), the tail end of each spring (132) is provided with the same arc-shaped plate (133), and the four arc-shaped plates (133) are of a circular structure surrounded by city, the inner side wall of the arc-shaped plate (133) is provided with a sealing strip (134) and a water-absorbing sponge (135), a round hole (136) is arranged at the middle point of the support cover (131), a sliding block (137) is arranged at the upper end of the arc-shaped plate (133), the upper end of the supporting cover (131) is provided with a sliding groove (138) by taking the round hole (136) as the center.

2. The lithium-ion battery of claim 1, wherein: when the four arc-shaped plates (133) are spliced together, the four springs (132) are all in a compressed state.

3. The lithium-ion battery of claim 1, wherein: the supporting cover (131) is of a cylindrical barrel structure with one unsealed end, the open end of the supporting cover (131) is fixedly installed on the inner side wall of the waterproof box body (1), and the central axis of the supporting cover (131) coincides with the circle center of the threading hole (7).

4. The lithium-ion battery of claim 1, wherein: install dehumidifier (14) on the lateral wall of waterproof box (1), and dehumidifier (14) work end is located waterproof box (1), the internally mounted of waterproof box (1) has humidity transducer, and humidity transducer and the controller electric connection of dehumidifier (14).

5. The lithium-ion battery of claim 1, wherein: one side of apron (2) is passed through axis of rotation (15) and is rotated and install opening one side at waterproof box (1), axis of rotation (15) one end downside is kept away from in apron (2) and is provided with recess (16), the opening part of waterproof box (1) is kept away from axis of rotation (15) one side horizontal fixation and is provided with support flange (17), supports flange (17) and cooperates each other with recess (16), vertical recess (16) of passing in the upper end of apron (2) and support flange (17) and install fixing bolt (18), all be provided with the sealing rubber circle with waterproof box (1) opening combination department around apron (2).

6. The lithium-ion battery of claim 5, wherein: and a handle is arranged on one side, away from the rotating shaft (15), of the upper end of the cover plate (2).

7. The lithium-ion battery of claim 1, wherein: the arc-shaped plate (133) is made of hard rubber.