CN211654866U

CN211654866U - Lithium ion battery pack

Info

Publication number: CN211654866U
Application number: CN201922047619.9U
Authority: CN
Inventors: 刘华贵; 倪良华; 罗益领; 高云亮
Original assignee: Hubei Yite New Energy Co ltd
Current assignee: Hubei Yite New Energy Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-10-09
Anticipated expiration: 2029-11-25

Abstract

A lithium ion battery pack comprises a battery pack, wherein the battery pack comprises a box body and a box cover, a locking device is arranged on the box cover, the locking device comprises a transmission rod, the transmission rod is connected with the inner surface of the box cover in a sliding manner, the head of the transmission rod is hinged with one end of a connecting rod, and a locking rod is connected with the inner surface of the box cover in a sliding manner. Thereby make the laminating of case lid and box inseparabler, improve sealed effect.

Description

Lithium ion battery pack

Technical Field

The utility model belongs to the technical field of the lithium cell technique and specifically relates to a lithium ion battery package is related to.

Background

Lithium batteries (Lithium batteries) refer to batteries containing Lithium in an electrochemical system. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium metal batteries are generally non-rechargeable and contain lithium in a metallic state. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. Often an solitary lithium cell can not satisfy the demand of using, just need couple together several lithium cells even more under this condition, constitute a lithium cell group, just can normally supply power, but most of battery package among the prior art are closed, and the lid is difficult for taking apart, and is more inconvenient when changing single lithium cell, and we propose a lithium ion battery package for this reason and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

To the above circumstances, for overcoming prior art's defect, the utility model provides a lithium ion battery package is used for solving above-mentioned problem.

In order to achieve the above purpose, the lithium ion battery pack of the present invention comprises a battery pack, the battery pack comprises a box body and a box cover, the box cover is provided with a locking device, the locking device comprises a transmission rod, the transmission rod is slidably connected with the inner surface of the box cover, the head of the transmission rod is hingedly connected with one end of a connecting rod, the inner surface of the box cover is slidably connected with a locking rod, the rear end of the locking rod is hingedly connected with the other end of the connecting rod, the inner surface of the box body is embedded with a slot, the head of the locking rod is slidably inserted into the slot, the box cover is rotatably provided with a rotating rod, the rotating rod is provided with a gear, the transmission rod is fixedly connected with a rack, the gear is engaged with the rack, the rotating rod extends to the outside of the box cover, a reset spring is connected between the transmission rod and the box cover, the connecting end, and when the locking rod is inserted into the slot, the locking rod is in close contact with the upper surface of the slot.

Preferably, the number of the locking rods is two, and the two locking rods are symmetrically arranged on two sides of the transmission rod.

Preferably, the head of the rotating rod is fixedly connected with a rotating disc, a groove is embedded in the surface of the box cover, and the rotating disc is embedded in the groove.

Preferably, the lower surface of the box cover is connected with a sealing ring.

Has the advantages that: the utility model discloses when opening the case lid, can rotate the carousel and drive the bull stick and rotate, the bull stick rotates and drives the transfer line and slide after mutually, the transfer line slides backward and drives the connecting rod and slide backward, thereby make the connecting rod pull out the slot with the check lock lever, the carousel embedding sets up in the recess, the carousel embedding sets up the surface at the case lid, it can open the case lid to rotate the carousel, and convenient operation, the link of check lock lever and slot is the wedge structure, the check lock lever is when inserting the slot, wedge and slot have a packing force, thereby make the inseparabler of case lid and box laminating, improve sealed effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the inner surface structure of the box cover of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a schematic view of the connection structure of the locking rod and the slot of the present invention.

In the figure: 1 battery package, 2 box, 3 case lids, 4 transfer lines, 5 connecting rods, 6 check lock levers, 7 bull sticks, 8 gears, 9 racks, 10 reset spring, 11 carousels.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

As shown in figures 1-3, the lithium ion battery pack of the present invention comprises a battery pack 1, the battery pack 1 comprises a box body 2 and a box cover 3, a locking device is installed on the box cover 3, the locking device comprises a transmission rod 4, the transmission rod 4 is slidably connected with the inner surface of the box cover 3, the head of the transmission rod 4 is hinged with one end of a connecting rod 5, the inner surface of the box cover 3 is slidably connected with a locking rod 6, the rear end of the locking rod 6 is hinged with the other end of the connecting rod 5, the inner surface of the box body 2 is embedded with a slot, the head of the locking rod 6 is slidably inserted into the slot, a rotating rod 7 is rotatably installed on the box cover 3, a gear 8 is installed on the rotating rod 7, a rack 9 is fixedly connected on the transmission rod 4, the gear 8 is engaged with the rack 9, the rotating rod 7 extends to the outside of the box cover 3, a reset spring 10 is connected, the gear 8 drives the rack 9 to slide when rotating, the rack 9 drives the transmission rod 4 to slide when sliding, the transmission rod 4 can push the connecting rod 5 when sliding forwards, the connecting rod 5 can push the locking rod 6 to enable the locking rod 6 to be inserted into the slot of the box body 2, the transmission rod 4 can drive the rear end of the connecting rod 5 to move backwards when sliding backwards, the connecting rod 5 can pull the locking rod 6 when moving backwards, and the locking rod 6 and the slot of the box body 2 are separated.

The link of check lock lever 6 and slot is the wedge surface structure, and when check lock lever 6 inserted the slot in, the upper surface in close contact with of check lock lever 6 and slot, as shown in fig. 3, check lock lever 6 when inserting the slot, wedge surface and slot have a packing force to make the laminating of case lid 3 and box 2 inseparabler, improve sealed effect, and after check lock lever 6 inserted the slot, then the slot keeps a packing force to check lock lever 6 all the time.

The number of the locking rods 6 is two, and the two locking rods 6 are symmetrically arranged on two sides of the transmission rod 4.

The head fixedly connected with carousel 11 of bull stick 7, the surface embedding of case lid 3 is equipped with the recess, and the setting of carousel 11 embedding is in the recess, and the setting of carousel 11 embedding is at the surface of case lid 3, and the convenience is operated externally and is opened case lid 3.

The lower surface of case lid 3 is connected with the sealing washer, and check lock lever 6 can make the sealing washer press tighter when inserting the slot.

The working principle is as follows: the utility model discloses when opening case lid 3, can rotate carousel 11 and drive bull stick 7 and rotate, bull stick 7 rotates and drives 4 looks backslidings of transfer line, transfer line 4 backslidings drive connecting rod 5 backslidings, thereby make connecting rod 5 pull out the slot with check lock lever 6, carousel 11 embedding sets up in the recess, carousel 11 embedding sets up the surface at case lid 3, it can open case lid 3 to rotate carousel 11, convenient operation, the link of check lock lever 6 and slot is the wedge structure, check lock lever 6 is when inserting the slot, wedge and slot have a packing force, thereby make the laminating of case lid 3 and box 2 inseparabler, improve sealed effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lithium ion battery package, includes battery package (1), its characterized in that, battery package (1) includes box (2) and case lid (3), install locking device on case lid (3), locking device includes transfer line (4), the internal surface sliding connection of transfer line (4) and case lid (3), and the head of transfer line (4) and the one end of connecting rod (5) articulate and connect, the internal surface sliding connection of case lid (3) has check lock lever (6), the rear end of check lock lever (6) is articulated with the other end of connecting rod (5) and is connected, the internal surface embedding of box (2) is equipped with the slot, the head sliding insertion of check lock lever (6) is in the slot, rotatable bull stick (7) of installing on case lid (3), install gear (8) on bull stick (7), fixedly connected with rack (9) on transfer line (4), gear (8) and rack (9) meshing connection, bull stick (7) extend to the outside of case lid (3), be connected with reset spring (10) between transfer line (4) and case lid (3), the link of check lock lever (6) and slot is the wedge surface structure, and when check lock lever (6) inserted in the slot, the upper surface in close contact with of check lock lever (6) and slot.

2. The lithium ion battery pack according to claim 1, wherein the number of the locking levers (6) is two, and the two locking levers (6) are symmetrically arranged on two sides of the transmission rod (4).

3. The lithium ion battery pack according to claim 1, wherein a rotary plate (11) is fixedly connected to the head of the rotary rod (7), a groove is embedded in the surface of the box cover (3), and the rotary plate (11) is embedded in the groove.

4. The lithium ion battery pack according to claim 1, wherein a sealing ring is connected to the lower surface of the case cover (3).