CN216563463U

CN216563463U - Reverse installation prevention flat head lithium battery jar

Info

Publication number: CN216563463U
Application number: CN202123122936.6U
Authority: CN
Inventors: 屈冲; 李晓煌; 郑雄文; 李立群
Original assignee: Guangdong Jinyuan Solar Energy Co ltd
Current assignee: Guangdong Jinyuan Solar Energy Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-17
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses an anti-reverse-installation flat-head lithium battery jar, which comprises a jar body, wherein two ends of the jar body are respectively provided with a positive connecting piece and a negative connecting piece, the positive connecting piece is a convex point contact piece, the negative connecting piece is a spring contact piece, the anti-reverse-installation flat-head lithium battery jar also comprises a limiting piece, the limiting piece is arranged on the side edge of the positive connecting piece and is matched with an isolation groove at the positive position of a flat-head lithium battery, and the height of the limiting piece protruding towards the interior of the jar body is greater than the height of the positive connecting piece protruding. According to the utility model, through arranging the limiting piece, the structural characteristics of the flat-head lithium battery are utilized, so that the front surface of the flat-head lithium battery can be normally contacted with the positive connecting piece and the negative connecting piece when being installed in the groove body, and when being reversely installed, the negative pole of the flat-head lithium battery is separated from the positive connecting piece due to the existence of the limiting piece, so that the contact is avoided, the hidden danger caused by reverse installation is avoided, the whole structure is simple, the implementation is convenient, and the improvement cost is low.

Description

Reverse installation prevention flat head lithium battery jar

Technical Field

The utility model belongs to the technical field of battery tanks, and particularly relates to an anti-reverse-installation flat head lithium battery tank.

Background

Battery (Battery) refers to a device that converts chemical energy into electrical energy in a cup, tank, or other container or portion of a composite container that holds an electrolyte solution and metal electrodes to generate an electric current. Has a positive electrode and a negative electrode. With the advancement of technology, batteries generally refer to small devices capable of generating electrical energy. The battery is used as an energy source, can obtain current which has stable voltage and current, is stably supplied for a long time and is slightly influenced by the outside, has simple structure, convenient carrying, simple and easy charging and discharging operation, is not influenced by the outside climate and temperature, has stable and reliable performance, and plays a great role in various aspects of modern social life. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream.

Common lithium batteries include flat-head lithium batteries and pointed-end lithium batteries, the pointed-end lithium batteries are generally used for products which are easy to have potential safety hazards such as short circuits and the like after the positive electrode and the negative electrode are reversely arranged, but in practical application, although the positive electrode is not easy to contact with a negative electrode spring, certain contact possibility still exists, so that the potential safety hazards are easy to generate, the positive electrode and the negative electrode of the flat-head lithium batteries are flat, and the flat-head lithium batteries can only be normally used for products which are not provided with potential safety hazards after the positive electrode and the negative electrode are reversely arranged. But the production process of the pointed lithium battery is more complex than that of the flat-head lithium battery. Under the condition of the same parameters, the manufacturing cost of the pointed lithium battery is higher than that of the flat-head lithium battery.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an anti-reverse-installation flat-head lithium battery jar which can be used for products needing to distinguish installation of a positive electrode and a negative electrode and can effectively avoid hidden troubles of installation.

The technical scheme for solving the technical problems comprises the following steps:

the utility model provides an anti-reverse installation crew cut lithium battery jar, includes the cell body, the both ends of cell body are equipped with anodal connecting piece and negative pole connecting piece respectively, anodal connecting piece is the bump contact, the negative pole connecting piece is the spring contact, still includes a spacing piece, the spacing piece is arranged in the side of anodal connecting piece to with the isolation tank of the anodal position department of crew cut lithium cell match each other, the spacing piece orientation bellied height in the cell body is greater than the bellied height of anodal connecting piece.

Specifically, the at least two limiting pieces are uniformly distributed on the periphery of the positive connecting piece.

Specifically, the locating part includes connecting portion and spacing portion, the one end of connecting portion is fixed on the tip lateral wall of cell body, the bottom of spacing portion is fixed on the other end of connecting portion, the shape of spacing portion is bellied cone, the bellied height of connecting portion with the bellied highly the same or slightly low of positive pole connecting piece.

Preferably, the top of the limiting part is arranged in a spherical shape.

Specifically, the bottom surface inside the tank body is marked with symbols representing a positive electrode and a negative electrode.

Specifically, the isolation groove is an annular groove.

Preferably, a circle of prompting ring for prompting the positive electrode is arranged at the position, close to the positive electrode, of the main body of the flat-head lithium battery.

The utility model has the following beneficial effects: through setting up the locating part, utilize the structural feature of flat head lithium cell itself, make the flat head lithium cell openly install in the cell body when can with anodal connecting piece, negative pole connecting piece normal contact, and because the existence of locating part when the dress of turning over, make the negative pole and the anodal connecting piece alternate segregation of flat head lithium cell after the dress of turning over, avoid the contact to avoid the hidden danger that the dress of turning over caused, overall structure is simple, and it is convenient to implement, improves low cost.

Drawings

FIG. 1 is a schematic structural diagram of a flat head lithium battery according to an embodiment of the present invention.

Fig. 2 is a schematic top view of the embodiment of the utility model.

FIG. 3 is a schematic view of a front-mounted flat-head lithium battery according to an embodiment of the present invention.

FIG. 4 is a schematic diagram of a reverse installation of a flat head lithium battery in an embodiment of the utility model.

The reference numbers in the figures have the following meanings:

1 cell body, 2 anodal connecting pieces, 3 negative pole connecting pieces, 4 connecting portions, 5 spacing portions, 6 flat head lithium cells, 7 isolating grooves, 8 positive poles, 9 negative poles, 10 suggestion rings.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Example (b):

the reverse installation prevention flat-head lithium battery jar disclosed by the embodiment of the utility model is shown in figures 1-4 and comprises a jar body 1, wherein a positive connecting piece 2 and a negative connecting piece 3 are respectively arranged at two ends of the jar body 1, the positive connecting piece 2 is a convex point contact piece, the negative connecting piece 3 is a spring contact piece, the reverse installation prevention flat-head lithium battery jar further comprises a limiting piece, the limiting piece is arranged on the side edge of the positive connecting piece 2 and is matched with an isolation groove 7 at the position of a positive electrode 8 of a flat-head lithium battery 6, and the height of the limiting piece protruding towards the interior of the jar body 1 is greater than the height of the positive connecting piece 2. Through the cooperation of locating part and isolation tank 7, when can making flat head lithium cell 6 forward dress in cell body 1, the locating part is held by isolation tank 7 to make flat head lithium cell 6's positive pole 8 effectual and positive connecting piece 2 contact each other under the spring thrust effect through negative pole connecting piece 3, thereby switch on the circuit. When the flat-head lithium battery is reversely mounted, the limiting piece abuts against the negative electrode 9 of the flat-head lithium battery 6, so that the negative electrode 9 of the flat-head lithium battery 6 cannot be in contact with the positive electrode connecting piece 2, and the hidden trouble of short circuit after reverse mounting is avoided.

Specifically, the number of the limiting members is at least two and the limiting members are uniformly distributed on the periphery of the positive electrode connecting member 2. Two locating parts that are a pair of can be better provide when turning over the dress to the holding power of 6 negative poles 9 of flat head lithium cell, have better when guaranteeing in-service use and prevent turning over the dress effect.

Specifically, the locating part includes connecting portion 4 and spacing portion 5, the one end of connecting portion 4 is fixed on the tip lateral wall of cell body 1, the bottom of spacing portion 5 is fixed on the other end of connecting portion 4, spacing portion 5's shape is bellied cone, connecting portion 4 bellied height with 2 bellied highly the same or slightly low of positive pole connecting piece. The connecting part 4 is close to the positive connecting piece 2 in height, so that the height of the limiting part 5 is guaranteed to be higher than the relative position of the positive connecting piece 2, and the conical shape is adopted to be accommodated by the isolating groove 7 more conveniently. Preferably, the top of the limiting part 5 is arranged in a spherical shape. Can guarantee that flat head lithium cell 6 is more convenient when installing and taking out, can not be because of the locating part is in isolation slot 7 and troublesome problem of operation.

Specifically, the bottom surface inside the tank body 1 is marked with symbols representing a positive electrode and a negative electrode. For prompting the user how to install the battery. Specifically, the isolation groove 7 is an annular groove and is arranged around the anode 8 of the flat-head aluminum battery. Preferably, a ring of prompting rings 10 for prompting the anode 8 are arranged at the position, close to the anode 8, of the main body of the flat-head lithium battery 6. Used for prompting the conditions of the anode and the cathode 9 of the flat-head lithium battery 6.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. The utility model provides an anti-reverse installation crew cut lithium battery jar, includes cell body (1), the both ends of cell body (1) are equipped with anodal connecting piece (2) and negative pole connecting piece (3) respectively, anodal connecting piece (2) are the bump contact, negative pole connecting piece (3) are spring contact, its characterized in that: the limiting piece is arranged on the side edge of the positive pole connecting piece (2) and matched with an isolation groove (11) in the position of a positive pole (8) of the flat-head lithium battery (6), and the height of the limiting piece protruding towards the inside of the groove body (1) is larger than the height of the positive pole connecting piece (2).

2. The anti-reverse installation flathead lithium battery jar of claim 1, wherein: the at least two limiting pieces are uniformly distributed on the periphery of the positive connecting piece (2).

3. The anti-reverse installation flathead lithium battery jar of claim 2, wherein: the locating part includes connecting portion (4) and spacing portion (5), the one end of connecting portion (4) is fixed on the tip lateral wall of cell body (1), the bottom of spacing portion (5) is fixed on the other end of connecting portion (4), the shape of spacing portion (5) is bellied cone, connecting portion (4) bellied height with the bellied highly the same or slightly low of positive pole connecting piece (2).

4. The anti-reverse installation flathead lithium battery jar of claim 3, wherein: the top of the limiting part (5) is arranged in a spherical surface mode.

5. The anti-reverse installation flathead lithium battery jar of any one of claims 1-4, wherein: the bottom surface in the tank body (1) is marked with symbols representing a positive pole and a negative pole.

6. The anti-reverse installation flathead lithium battery jar of claim 5, wherein: the isolation groove (11) is an annular groove.

7. The anti-reverse installation flathead lithium battery jar of claim 6, wherein: and a circle of prompting ring (10) for prompting the anode is arranged at the position, close to the anode (8), of the main body of the flat-head lithium battery (6).