CN215816132U

CN215816132U - Waterproof construction of power battery group

Info

Publication number: CN215816132U
Application number: CN202122299610.4U
Authority: CN
Inventors: 刘晓明; 魏明江; 温立志
Original assignee: Tianjin Sino German University of Applied Sciences
Current assignee: Tianjin Sino German University of Applied Sciences
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-11
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a waterproof structure of a power battery pack, which comprises a battery box, wherein a placing hole is formed in the upper surface of the battery box, a limiting groove is formed in the inner wall of the placing hole, an inner baffle is placed on the inner wall of the limiting groove, a sealing strip is fixedly connected to one side, close to the inner wall of the limiting groove, of the inner baffle, a fixing frame is fixedly connected to the upper surface of the battery box, a box cover is arranged on the surface of the fixing frame, a clamping groove matched with the fixing frame is formed in the lower surface of the box cover, and a waterproof adhesive tape is fixedly connected to the inner top wall of the clamping groove. This waterproof construction of power battery group through setting up fixed frame, lid, joint groove, waterproof stripe and seal groove, can utilize the joint groove of lid and fixed frame to install and the joint, makes waterproof stripe and seal groove form the joint again, and the rethread sets up bolt, bolt hole and bolt groove, is convenient for carry out fixed connection with lid and fixed frame, has improved the leakproofness between lid and the fixed frame to the water-proof effects of battery case has been improved.

Description

Waterproof construction of power battery group

Technical Field

The utility model relates to the technical field of power batteries, in particular to a waterproof structure of a power battery pack.

Background

The power battery pack is used as a source of new energy electric vehicle energy to provide energy for high-voltage equipment and a low-voltage power supply, so that the requirement on the use environment is high, and effective protective measures must be taken for the power battery pack to improve the safety performance and the cycle service life of the power battery pack assembly.

However, in the prior art, the waterproof structure of the power battery pack is generally too simple, and usually, a layer of sealing gasket is arranged on the surface of a sealing cover of a battery box, so that the sealing gasket is easily extruded to deform after the battery box is used for a long time, the sealing is not tight, and the waterproof and sealing performances of the battery box are affected.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a waterproof structure of a power battery pack, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a waterproof construction of power battery group, includes the battery case, the upper surface of battery case has been seted up and has been placed the hole, and the inner wall of placing the hole has seted up the spacing groove, and the inner baffle has been placed to the inner wall of spacing groove, and the inner baffle is close to one side fixedly connected with sealing strip of spacing inslot wall, the fixed frame of last fixed surface fixedly connected with of battery case, the surface of fixed frame are provided with the lid, and the lower surface of lid is seted up with the joint groove of fixed frame looks adaptation, the interior roof fixedly connected with waterproof stripe of joint groove, the seal groove with waterproof stripe looks adaptation is seted up to the upper surface of fixed frame.

Preferably, the inner wall of battery case has seted up the bar recess, and the inner wall fixedly connected with dead lever in bar groove, the sliding surface of dead lever are connected with two sliders, and the surface cover of dead lever is equipped with the spring, and the tip of spring is connected with the fixed surface of slider.

Preferably, the surface of slider rotates and is connected with the buffer beam, and the buffer beam is kept away from the one end of slider and is rotated and be connected with and support tight board.

Preferably, the inner bottom wall of the battery box is fixedly connected with a plurality of partition plates, and sponge cushions are arranged on two sides of each partition plate.

Preferably, a plurality of bolt holes are formed in the front surface, the rear surface and the two sides of the box cover, bolts are connected to the inner walls of the bolt holes in a threaded mode, and bolt grooves corresponding to the bolt holes in position are formed in the surface of the fixing frame.

Preferably, the lower surface of the inner baffle is fixedly connected with a cushion pad, and the cushion pad is matched with the placing hole.

Advantageous effects

The utility model provides a waterproof structure of a power battery pack, which has the following beneficial effects:

1. this waterproof construction of power battery group through setting up fixed frame, lid, joint groove, waterproof stripe and seal groove, can utilize the joint groove of lid and fixed frame to install and the joint, makes waterproof stripe and seal groove form the joint again, and the rethread sets up bolt, bolt hole and bolt groove, is convenient for carry out fixed connection with lid and fixed frame, has improved the leakproofness between lid and the fixed frame to the water-proof effects of battery case has been improved.

2. This waterproof construction of power battery group is provided with the bar recess through the inner wall at the battery case, and dead lever, slider, spring, buffer beam and support tight board can press from both sides tightly and spacing to the group battery in the battery case to can play effectual buffering and absorbing effect to the group battery, through setting up interior baffle and sealing strip, can play the effect of secondary protection to the group battery, further improve the water-proof effects of battery case.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic bottom view of the lid of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

fig. 4 is an enlarged schematic view of B in fig. 2.

In the figure: 1 battery case, 2 interior baffles, 3 sealing strips, 4 fixed frames, 5 lid, 6 joint grooves, 7 waterproof stripe, 8 dead levers, 9 sliders, 10 springs, 11 buffer posts, 12 support tight board, 13 division boards, 14 foam-rubber cushions, 15 bolts, 16 blotters.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a waterproof construction of power battery group, includes battery case 1, and the bar recess has been seted up to battery case 1's inner wall, and the inner wall fixedly connected with dead lever 8 in bar groove, the sliding surface of dead lever 8 is connected with two sliders 9, and the surface cover of dead lever 8 is equipped with spring 10, and the tip of spring 10 is connected with the fixed surface of slider 9, and the surface of slider 9 is rotated and is connected with buffer beam 11, and the one end that slider 9 was kept away from to buffer beam 11 is rotated and is connected with and supports tight board 12.

Through being provided with the bar recess at the inner wall of battery case 1, dead lever 8, slider 9, spring 10, buffer beam 11 and support tight board 12, can press from both sides tightly and spacing to the group battery in the battery case 1 to can play effectual buffering and absorbing effect to the group battery.

The inner bottom wall of the battery box 1 is fixedly connected with a plurality of partition plates 13, and sponge cushions 14 are arranged on two sides of each partition plate 13.

The hole of placing has been seted up to the upper surface of battery case 1, and the inner wall of placing the hole has been seted up the spacing groove, and inner baffle 2 has been placed to the inner wall of spacing groove, and inner baffle 2's lower fixed surface is connected with blotter 16, blotter 16 with place the hole phase-match, and inner baffle 2 is close to one side fixedly connected with sealing strip 3 of spacing inslot wall, through setting up inner baffle 2 and sealing strip 3, can play the effect of secondary protection to the group battery, has further improved the water-proof effects of battery case 1.

The fixed frame 4 of last fixed surface fixedly connected with of battery case 1, the surface of fixed frame 4 is provided with lid 5, and lid 5's lower surface is seted up with fixed frame 4 looks adaptation joint groove 6, the interior roof fixedly connected with waterproof stripe 7 of joint groove 6.

The upper surface of fixed frame 4 sets up the seal groove with waterproof stripe 7 looks adaptation, and a plurality of bolt hole has all been seted up to the preceding back surface and both sides of lid 5, and the inner wall threaded connection of bolt hole has bolt 15, and the bolt groove corresponding with bolt hole position is seted up on the surface of fixed frame 4.

Through setting up fixed frame 4, lid 5, joint groove 6, waterproof stripe 7 and seal groove, can utilize joint groove 6 and the fixed frame 4 of lid 5 to install and the joint, make waterproof stripe 7 and seal groove form the joint again, the rethread sets up bolt 15, bolt hole and bolt groove, is convenient for carry out fixed connection with lid 5 and fixed frame 4, has improved the leakproofness between lid 5 and the fixed frame 4 to the water-proof effects of battery case 1 has been improved.

The working principle is as follows: when using, at first put into battery case 1 with the group battery between the median septum 13, utilize spring 10 elasticity to drive slider 9 and remove, slider 9 drives buffer beam 11 and rotates, buffer beam 11 drives and supports tight board 12 and press from both sides the group battery tightly and spacing, then place interior baffle 2 in the spacing groove, sealing strip 3 on interior baffle 2 surface can play the sealing effect, cup joint lid 5 on the surface of fixed frame 4 again, make waterproof rubber strip 7 in lid 5 joint groove 6 insert the seal groove of fixed frame 4 upper surface, then use bolt 15 to fix lid 5 on the surface of fixed frame 4, thereby play waterproof and sealed effect to battery case 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a waterproof construction of power battery group, includes battery case (1), its characterized in that: the upper surface of battery case (1) has been seted up and has been placed the hole, and the inner wall of placing the hole has been seted up the spacing groove, and inner baffle (2) have been placed to the inner wall of spacing groove, and inner baffle (2) are close to one side fixedly connected with sealing strip (3) of spacing inslot wall, the fixed frame of last fixed surface fixedly connected with (4) of battery case (1), the surface of fixed frame (4) is provided with lid (5), and joint groove (6) with fixed frame (4) looks adaptation are seted up to the lower surface of lid (5), and interior roof fixedly connected with waterproof stripe (7) of joint groove (6), the seal groove with waterproof stripe (7) looks adaptation is seted up to the upper surface of fixed frame (4).

2. The waterproof structure of a power battery pack according to claim 1, wherein: the inner wall of battery case (1) has seted up the bar recess, and the inner wall fixedly connected with dead lever (8) in bar groove, the surperficial sliding connection of dead lever (8) have two sliders (9), and the surface cover of dead lever (8) is equipped with spring (10), and the tip of spring (10) is connected with the fixed surface of slider (9).

3. The waterproof structure of a power battery pack according to claim 2, characterized in that: the surface of the sliding block (9) is rotatably connected with a buffer rod (11), and one end, far away from the sliding block (9), of the buffer rod (11) is rotatably connected with a pressing plate (12).

4. The waterproof structure of a power battery pack according to claim 1, wherein: the inner bottom wall of the battery box (1) is fixedly connected with a plurality of partition plates (13), and sponge cushions (14) are arranged on two sides of each partition plate (13).

5. The waterproof structure of a power battery pack according to claim 1, wherein: a plurality of bolt holes are formed in the front surface and the rear surface and the two sides of the box cover (5), bolts (15) are connected to the inner walls of the bolt holes in a threaded mode, and bolt grooves corresponding to the positions of the bolt holes are formed in the surface of the fixing frame (4).

6. The waterproof structure of a power battery pack according to claim 1, wherein: the lower surface of the inner baffle (2) is fixedly connected with a cushion pad (16), and the cushion pad (16) is matched with the placing hole.