CN215418349U

CN215418349U - Multifunctional lithium battery upper cover

Info

Publication number: CN215418349U
Application number: CN202121761299.4U
Authority: CN
Inventors: 白强; 朱兴强; 黄定伟; 屈长虹
Original assignee: Chongqing Yusan New Energy Battery Co ltd
Current assignee: Chongqing Yusan New Energy Battery Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-01-04
Anticipated expiration: 2031-07-30

Abstract

The utility model provides a multifunctional upper cover of a lithium battery, which comprises an upper cover body, wherein the left corner and the right corner of the top of the upper cover body close to the front side are respectively provided with a lug mounting area, and the two lug mounting areas are respectively provided with a wiring terminal for wiring a positive pole and a negative pole, and the multifunctional upper cover of the lithium battery is characterized in that: the other positions of upper cover body except that utmost point ear installing zone all upwards uplift and form the boss, make the top surface and the binding post top of boss flush, be equipped with the electric quantity display area that is located just between two utmost point ear installing zones on the boss, electric quantity display area still is equipped with the pressure release hole, the top lid in pressure release hole is equipped with the rubber cap, the inboard position that corresponds the pressure release hole of boss is provided with the pressure release post, be equipped with the airflow channel who communicates with the pressure release hole on this pressure release post, the inboard of boss still is equipped with the erection column that a plurality of is used for fixed circuit control board, the vertical button of circuit control board's electric quantity display button stretches in the airflow channel, and its top offsets with the rubber cap, the diameter of vertical button is less than airflow channel's aperture.

Description

Multifunctional lithium battery upper cover

Technical Field

The utility model relates to the technical field of lithium battery packaging, in particular to a multifunctional upper cover of a lithium battery.

Background

The lithium cell is often as electric motorcycle car's power supply, but because most lithium cells are exposed and set up outward, electric motorcycle car also often rides in the open air simultaneously, consequently, the lithium cell often insolates in the sun, has the inside high temperature of lithium cell, atmospheric pressure too big and the potential safety hazard of explosion. Simultaneously, most lithium cells all are not convenient for look over the electric quantity surplus condition, consequently, just can look over after having started electric motorcycle car engine earlier, consequently urgently need a collection pressure release and electric quantity display function in the lithium cell casing of an organic whole.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve the technical problems in the prior art, and particularly provides a multifunctional upper cover of a lithium battery, which integrates the functions of pressure relief and electric quantity display and improves the functional diversity.

In order to achieve the above purpose, the utility model provides a multifunctional lithium battery upper cover, which comprises an upper cover body, wherein the left corner and the right corner near the front side of the top of the upper cover body are respectively provided with a tab installation area, the two tab installation areas are respectively provided with a wiring terminal for connecting a positive electrode and a negative electrode, the other parts of the upper cover body except the tab installation areas are respectively bulged upwards to form a boss, so that the top surface of the boss is flush with the top of the wiring terminal, the boss is provided with an electric quantity display area which is just positioned between the two tab installation areas, the electric quantity display area is also provided with a pressure relief hole, the top of the pressure relief hole is covered with a rubber cap, the inner side of the boss is provided with a pressure relief column corresponding to the pressure relief hole, the pressure relief column is provided with an air flow channel communicated with the pressure relief hole, and the inner side of the boss is also provided with a plurality of installation columns for fixing a circuit control board, the vertical pressing column of the electric quantity display button of the circuit control board extends into the airflow channel, the top end of the vertical pressing column is abutted to the rubber cap, and the diameter of the vertical pressing column is smaller than the aperture of the airflow channel.

In the scheme, the method comprises the following steps: the boss is provided with a circle of annular groove around the pressure relief hole in a concave mode, the periphery of the rubber cap is provided with a circle of clamping ring extending downwards corresponding to the annular groove, the clamping ring is inserted into the annular groove, and the top end of the rubber cap is flush with the top end of the boss. The appearance is neat, and the attractiveness is improved.

In the scheme, the method comprises the following steps: the electric quantity display area is provided with a plurality of indicating lamp mounting holes, and electric quantity indicating lamps are arranged in the indicating lamp mounting holes.

In the scheme, the method comprises the following steps: the plurality of indicator lamp mounting holes are round holes arranged in a row.

In the scheme, the method comprises the following steps: the pilot lamp mounting hole is three, and three pilot lamp mounting hole encloses into fan-shaped, and three pilot lamp mounting hole sets gradually from being close to fan-shaped circular to keeping away from fan-shaped circular.

In the scheme, the method comprises the following steps: the lower side of the rubber cap is vertically provided with a supporting rod, and the bottom end of the supporting rod is abutted against the top end of the vertical pressing column. The electric quantity display button is convenient to press.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that: possess pressure release and electric quantity display function, prevent that the battery from because solarization or service temperature are too high and exploding, in time master the residual capacity of battery. The pressure release hole that sets up not only can the pressure release, avoids the battery overheated and internal pressure too big and explosion, can also regard as the hole that stretches out of the button that the electric quantity shows simultaneously, reduces the trompil, increases casing intensity, saves space, and is simple succinct. The rubber cap that sets up not only can press the button, can also regard as the valve of pressure release, prevents simultaneously that the rainwater from getting into inside the battery.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a cross-sectional view of a pressure relief vent according to a first embodiment of the present invention;

FIG. 3 is a perspective view of the inside of the first embodiment of the present invention;

FIG. 4 is a front view of a first embodiment of the present invention;

fig. 5 is a front view of a second embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Example one

As shown in figures 1-4, a multifunctional lithium battery upper cover comprises an upper cover body, wherein the left corner and the right corner near the front side of the top of the upper cover body are both provided with a lug mounting area 4, the two lug mounting areas 4 are both provided with a connecting terminal 4a for connecting the positive electrode and the negative electrode, the other parts of the upper cover body except the lug mounting area 4 are both bulged upwards to form a boss 1, so that the top surface of the boss 1 is flush with the top of the connecting terminal 4a, the boss 1 is provided with an electric quantity display area 2 just positioned between the two lug mounting areas 4, the electric quantity display area 2 is internally provided with a pressure relief hole, the top of the pressure relief hole is covered with a rubber cap 3, the inner side of the boss 1 is provided with a pressure relief column corresponding to the pressure relief hole, the pressure relief column is provided with an air flow channel 1a communicated with the pressure relief hole, the inner side of the boss 1 is also provided with a plurality of mounting columns 6 for fixing a circuit control board 7, the circuit control board 7 is provided with an electric quantity display button 8 right opposite to the air flow channel 1a, the vertical pressing column 8a of the electric quantity display button 8 extends into the air flow channel 1a, the top end of the electric quantity display button is abutted to the rubber cap 3, and the diameter of the vertical pressing column 8a is smaller than the aperture of the air flow channel 1 a.

Preferably, a ring groove is concavely arranged on the boss 1 around the pressure relief hole, a ring of clamping ring extending downwards is arranged around the rubber cap 3 corresponding to the ring groove, the clamping ring is inserted into the ring groove, and the top of the rubber cap 3 is flush with the top of the boss 1. The appearance is neat, and the attractiveness is improved.

Preferably, be equipped with a plurality of indicator mounting hole 5 on electric quantity display district 2, all be equipped with the electric quantity pilot lamp in the indicator mounting hole 5, the electric quantity pilot lamp all is connected with circuit control board electricity to show the electric quantity of lithium cell through circuit control board control electric quantity pilot lamp.

Preferably, the plurality of indicator lamp mounting holes 5 are circular holes arranged in a row.

Preferably, the bottom side of the rubber cap 3 is vertically provided with a support rod 3a, and the bottom end of the support rod 3a is abutted against the top end of the vertical pressing column. The electric quantity display button is convenient to press.

Example two

As shown in fig. 5, the difference between the first embodiment and the second embodiment is that the indicator lamp mounting holes 5 are all in the shape of a sector, the centers of the sectors are coincident, and the sides of the sectors are all located on the same straight line. Specifically, three pilot lamp mounting holes enclose into fan-shaped, and three pilot lamp mounting holes set gradually from being close to fan-shaped circular to keeping away from fan-shaped circular.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a multi-functional lithium cell upper cover, includes the upper cover body, upper cover body top leans on two corners of the left and right sides of front side to all be equipped with utmost point ear installing zone (4), two utmost point ear installing zone (4) all are equipped with binding post (4a) that are used for positive negative pole wiring, its characterized in that: the upper cover body is characterized in that other parts except the lug installing areas (4) are upwards bulged to form bosses (1), so that the top surfaces of the bosses (1) are flushed with the tops of wiring terminals (4a), electric quantity display areas (2) which are just positioned between the two lug installing areas (4) are arranged on the bosses (1), the electric quantity display areas (2) are also provided with pressure relief holes, rubber caps (3) are covered at the tops of the pressure relief holes, pressure relief columns are arranged on the inner sides of the bosses (1) corresponding to the pressure relief holes, airflow channels (1a) communicated with the pressure relief holes are arranged on the pressure relief columns, a plurality of installing columns (6) used for fixing circuit control boards (7) are further arranged on the inner sides of the bosses (1), vertical pressing columns (8a) of electric quantity display buttons (8) of the circuit control boards (7) stretch into the airflow channels (1a), and the top ends of the vertical pressing columns are abutted to the rubber caps (3), the diameter of the vertical pressing column (8a) is smaller than the aperture of the airflow channel (1 a).

2. The multifunctional lithium battery upper cover according to claim 1, characterized in that: the boss (1) is gone up around the concave round annular that is equipped with of pressure release hole, it is equipped with round downwardly extending's snap ring to correspond the annular around rubber cap (3), during the snap ring inserts the annular, and rubber cap (3) top flushes with boss (1) top.

3. The multifunctional lithium battery upper cover according to claim 1, characterized in that: the electric quantity display area (2) is provided with a plurality of indicating lamp mounting holes (5), and electric quantity indicating lamps are arranged in the indicating lamp mounting holes (5).

4. The multifunctional lithium battery upper cover according to claim 3, characterized in that: the plurality of indicator lamp mounting holes (5) are round holes arranged in a row.

5. The multifunctional lithium battery upper cover according to claim 3, characterized in that: the three indicator lamp mounting holes (5) are formed in a circle to form a sector, and the three indicator lamp mounting holes are sequentially arranged from a circle close to the sector to a circle far away from the sector.

6. The multifunctional lithium battery upper cover according to claim 1, characterized in that: the lower side of the rubber cap (3) is vertically provided with a supporting rod (3a), and the bottom end of the supporting rod (3a) is abutted to the top end of the vertical pressing column.