CN220821846U

CN220821846U - Series battery pack

Info

Publication number: CN220821846U
Application number: CN202322443496.7U
Authority: CN
Inventors: 胡品德; 刘玲玲; 李秉明; 闫佳林; 王宇
Original assignee: Guizhou Meiling Power Supply Co Ltd
Current assignee: Guizhou Meiling Power Supply Co Ltd
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2024-04-19
Anticipated expiration: 2033-09-08

Abstract

The utility model provides a series battery pack, which comprises a plurality of batteries, wherein the batteries comprise a core shell and a core body accommodated in the core shell, the upper end of the core body is provided with a positive tenon table, the lower end of the core shell is provided with a negative tenon groove, when the batteries are connected in series, an insulating gasket is filled between two adjacent batteries, the corresponding positive tenon table is sleeved in the negative tenon groove, and an elastic gasket is also clamped between the positive tenon table and the negative tenon groove. When a plurality of batteries are connected in series, two adjacent batteries are connected in a matched mode through the mortise and tenon structure, so that the battery pack is convenient to assemble, an elastic gasket is arranged in the mortise, when the corresponding tenon platform is sleeved in the mortise, the tenon platform presses the elastic gasket to deform the elastic gasket, the tenon platform and the mortise are always kept in close contact, and the cathodes of the two adjacent batteries are always kept in good electrical connection, so that circuit breaking is avoided.

Description

Series battery pack

Technical Field

The utility model belongs to the technical field of batteries, and particularly relates to a series battery pack.

Background

The battery is used as a common energy storage element, the application is wide in the production and life of people, the types and specifications of the existing battery are many, in a common battery structure, the upper end of the common battery structure is generally provided with a boss as an anode, the battery shell is used as a cathode, the voltage of a single battery is often limited, in a high-power circuit, a plurality of batteries are often used for forming a battery pack so as to improve the output power of the battery pack, and the structural form of the battery pack is generally in a serial connection or parallel connection mode.

For example, the bulletin number is: the patent literature of CN209071458U discloses a light electric vehicle power battery pack, which comprises a lower fixing seat, a battery, an upper fixing seat, a first conducting plate, a second conducting plate and a battery box, wherein four lower mounting grooves matched with the battery are formed in the top of the lower fixing seat, the four lower mounting grooves are distributed in a square shape, and the bottom end of the battery is inserted into the lower mounting grooves; the tops of two adjacent side walls of the lower fixing seat are fixedly connected with lower tenons, and lower mortises matched with the lower tenons are formed in the tops of the other two side walls of the lower fixing seat; the lower fixing seat is positioned in the center of each lower mounting groove, a first conductive hole penetrating up and down is formed in the center of each lower mounting groove, and the first conductive sheets are respectively and electrically connected with the bottom electrode of the battery. According to the technology, a plurality of small battery packs are connected to form a large battery pack through the mortise and tenon structure, so that the application range of the battery pack is expanded, however, because a battery shell is usually used as a negative electrode, the mortise and tenon structure has a fit clearance, after a battery is plugged and unplugged for many times, the mortise and tenon structure clearance is enlarged, the fit between two adjacent batteries is not tight easily, the negative electrode is in poor contact, and then the whole circuit is broken.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a series battery pack.

The utility model is realized by the following technical scheme.

The utility model provides a series battery pack, which comprises a plurality of batteries, wherein the batteries comprise a core shell and a core body accommodated in the core shell, the upper end of the core body is provided with a positive tenon table, the lower end of the core shell is provided with a negative tenon groove, when the batteries are connected in series, an insulating gasket is filled between two adjacent batteries, the corresponding positive tenon table is sleeved in the negative tenon groove, and an elastic gasket is also clamped between the positive tenon table and the negative tenon groove.

The bottom of the negative electrode tenon groove is in a spherical surface shape protruding towards the notch of the negative electrode tenon groove, and the height of the positive electrode tenon table is larger than the depth of the negative electrode tenon groove.

The difference between the height of the positive electrode tenon table and the depth of the negative electrode tenon groove is 0.5mm to 2mm.

The elastic gasket is in a circular ring shape as a whole.

The series battery pack also comprises an insulating cylinder shell, the upper end of the insulating cylinder shell is open, and the battery and the insulating gasket are contained in the insulating cylinder shell.

The series battery pack also comprises an insulating shell cover, and the insulating shell cover is covered at the opening end of the insulating cylinder shell.

The insulating gasket can be replaced by highland barley paper.

The utility model has the beneficial effects that: when a plurality of batteries are connected in series, two adjacent batteries are connected in a matched mode through the mortise and tenon structure, so that the battery pack is convenient to assemble, an elastic gasket is arranged in the mortise, when the corresponding tenon platform is sleeved in the mortise, the tenon platform presses the elastic gasket to deform the elastic gasket, the tenon platform and the mortise are always kept in close contact, and the cathodes of the two adjacent batteries are always kept in good electrical connection, so that circuit breaking is avoided.

Drawings

Fig. 1 is a front view of the present utility model.

In the figure: 1-battery, 11-core shell, 12-core body, 13-positive pole tenon table, 14-negative pole tenon groove, 2-insulating gasket, 3-elastic gasket, 4-insulating cylinder shell and 5-insulating shell cover.

Detailed Description

The technical solution of the present utility model is further described below, but the scope of the claimed utility model is not limited to the above.

As shown in fig. 1, the utility model provides a series battery pack, which comprises a plurality of batteries 1, wherein the batteries 1 comprise a core shell 11 and a core body 12 accommodated in the core shell 11, the upper end of the core body 12 is provided with a positive tenon table 13, the lower end of the core shell 11 is provided with a negative tenon groove 14, when the batteries 1 are connected in series, an insulating gasket 2 is padded between two adjacent batteries 1, the corresponding positive tenon table 13 is sleeved in the negative tenon groove 14, and an elastic gasket 3 is clamped between the positive tenon table 13 and the negative tenon groove 14.

When a plurality of batteries are connected in series, two adjacent batteries are connected in a matched mode through the mortise and tenon structure, so that the battery pack is convenient to assemble, an elastic gasket is arranged in the mortise, when the corresponding tenon platform is sleeved in the mortise, the tenon platform presses the elastic gasket to deform the elastic gasket, the tenon platform and the mortise are always kept in close contact, and the cathodes of the two adjacent batteries are always kept in good electrical connection, so that circuit breaking is avoided.

Specifically, the groove bottom of the negative pole groove 14 is spherical protruding toward the groove opening thereof, and the height of the positive pole land 13 is larger than the depth of the negative pole groove 14. The difference between the height of the positive electrode land 13 and the depth of the negative electrode groove 14 is 0.5mm to 2mm. By adopting the technical scheme of the utility model, when the corresponding tenon platform is sleeved in the tenon groove, the tenon platform also has an extrusion effect on the groove bottom of the cathode tenon groove 14, so that the groove bottom of the cathode tenon groove 14 is deformed, the tenon platform and the tenon groove are always kept in close contact, and the cathodes of two adjacent batteries are always kept in good electrical connection, thereby avoiding circuit breaking.

In addition, the elastic washer 3 is preferably annular in shape as a whole. The series battery pack further comprises an insulating cylinder shell 4, the upper end of the insulating cylinder shell 4 is opened, and the battery 1 and the insulating gasket 2 are contained in the insulating cylinder shell 4. The series battery pack further comprises an insulating housing cover 5, and the insulating housing cover 5 covers the opening end of the insulating cylinder housing 4. The insulating gasket 2 can be replaced by highland barley paper. Therefore, the manufacturing cost of the utility model is reduced, the battery pack is convenient for a user to hold or take, and the electric shock is avoided when the user touches the outer surface of the battery pack.

Claims

1. A series battery, characterized by: including a plurality of batteries (1), battery (1) include core shell (11) and hold in core body (12) in core shell (11), the upper end of core body (12) is equipped with anodal tongue-and-groove (13), the lower extreme of core shell (11) is equipped with negative pole tongue-and-groove (14), and when establishing ties a plurality of batteries (1) together, it has insulating washer (2) to fill up between two adjacent batteries (1) to corresponding anodal tongue-and-groove (13) nest in negative pole tongue-and-groove (14), still press from both sides between anodal tongue-and groove (13) and negative pole tongue-and-groove (14) and have blockked up elastic washer (3).

2. The series battery of claim 1, wherein: the groove bottom of the negative pole tenon groove (14) is in a spherical surface shape protruding towards the groove opening of the groove, and the height of the positive pole tenon table (13) is larger than the depth of the negative pole tenon groove (14).

3. The series battery of claim 2, wherein: the difference between the height of the positive pole tenon table (13) and the depth of the negative pole tenon groove (14) is 0.5mm to 2mm.

4. The series battery of claim 1, wherein: the elastic gasket (3) is in a circular ring shape as a whole.

5. The series battery of claim 1, wherein: the series battery pack also comprises an insulating cylinder shell (4), wherein the upper end of the insulating cylinder shell (4) is open, and the battery (1) and the insulating gasket (2) are contained in the insulating cylinder shell (4).

6. The series battery of claim 5, wherein: the series battery pack further comprises an insulating shell cover (5), and the insulating shell cover (5) is covered on the opening end of the insulating cylinder shell (4).

7. The series battery of claim 1 or 5, wherein: the insulating gasket (2) can be replaced by highland barley paper.