CN218123482U

CN218123482U - Quick CTP device of forked tail slot type electricity core

Info

Publication number: CN218123482U
Application number: CN202221960593.2U
Authority: CN
Inventors: 程胜兵; 康乔; 王韬; 周宸
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-12-23
Anticipated expiration: 2032-07-26

Abstract

The utility model provides a quick CTP device of forked tail slot type electricity core, include the bottom plate and install the electric core on the bottom plate, the bottom plate upper surface is provided with the draw-in groove, electric core bottom is provided with the buckle, the buckle sets up in the draw-in groove for fix electric core on the bottom plate, the draw-in groove is the dovetail, follows the width convergent of bottom to opening direction draw-in groove of draw-in groove, the width that the buckle is close to electric core one end is less than the opening width of draw-in groove, the width that electric core one end was kept away from to the buckle is greater than the opening width of draw-in groove. The device simple structure, convenient, the swift is dismantled in the installation of electric core, and the device can play certain guard action to electric core moreover.

Description

Quick CTP device of forked tail slot type electricity core

Technical Field

The utility model relates to a lithium cell field specifically is a quick CTP device of forked tail slot type electricity core.

Background

The CTP (Cell to Pack) technology simplifies the manufacturing process of battery-module-whole package into battery-whole package, omits the middle process of module, and can greatly reduce the weight of the whole package, thereby improving the energy density.

The conventional CTP battery manufacturing method is to make a battery pack by making a battery monomer into a long-knife battery or a short-knife battery, glue is applied to the bottom of the battery, and CTP grouping is performed by pressing a pressing bar. This method has the following problems: 1. the battery glue is suitable for batteries with larger sizes, but for smaller batteries, gluing and fixing are inconvenient; 2. a large amount of glue solution needs to be injected for fixation during gluing, the glue solution needs curing time or equipment is added to assist in glue solution curing during processing so as to improve production efficiency, and the required equipment is too much; 3. the glue may fail to bond in high temperature environments.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick CTP device of forked tail slot type electricity core, the device simple structure, electric core installation are dismantled conveniently, swiftly, can play certain guard action to the battery moreover.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick CTP device of forked tail slot type electricity core, includes the bottom plate and installs the electric core on the bottom plate, the bottom plate upper surface is provided with the draw-in groove, electricity core bottom is provided with the buckle, the buckle sets up in the draw-in groove for fix electric core on the bottom plate, the draw-in groove is the dovetail, follows the width convergent of the bottom to opening direction draw-in groove of draw-in groove, the width that the buckle is close to electric core one end is less than the opening width of draw-in groove, the width that electric core one end was kept away from to the buckle is greater than the opening width of draw-in groove.

In one embodiment, a rotating body is further disposed in the clamping groove, and the rotating body abuts against the battery cell.

Further, the rotator is including setting up the flexible body in the draw-in groove, the knob that is used for rotatory flexible body, the knob passes through the connecting rod and is connected with the flexible body, knob and electric core lean on and connect.

Further, the width of the flexible body is smaller than the width of the bottom of the clamping groove, and the length of the flexible body is larger than the width of the bottom of the clamping groove.

In another embodiment, the bottom plate has a mounting groove formed in a surface thereof, and the rotating body is disposed in the mounting groove.

Further, the rotator includes flexible body and connecting rod, connecting rod one end and flexible body fixed connection, the other end rotates with the mounting groove bottom and is connected, the flexible body uses the connecting rod to rotate as the axle.

Further, the top of the flexible body is not higher than the upper surface of the bottom plate,

furthermore, one end of the flexible body is abutted against the inner wall of the clamping groove.

Further, the rotating bodies are provided with a plurality of rotating bodies, and the distance between every two adjacent rotating bodies is equal to the width of the battery cell.

The utility model has the advantages that:

1. the utility model discloses utilize mortise and tenon structure, need not to use the glue solution to fix electric core, only need insert through the dovetail with electric core and establish and fix on the bottom plate, easy operation can effectively improve work efficiency.

2. The utility model discloses a set up the rotator between adjacent electric core, can keep apart adjacent electric core, prevent the collision.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a rotator in embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 4 is a schematic view of the installation of the rotator in embodiment 2 of the present invention;

reference numerals: electric core 1, buckle 2, bottom plate 3, draw-in groove 4, rotator 5, knob 6, mounting groove 7, connecting rod 8, flexible body 9.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example 1: as shown in fig. 1, the quick CTP device for the dovetail groove type battery cell comprises a base plate 3 and a battery cell 1 mounted on the base plate 3.

The utility model discloses a battery, including bottom plate 3, buckle 2, bottom plate 3 upper surface, draw-in groove 4, bottom plate 3 both sides are close to respectively to two draw-in

grooves

4, 1 bottom of electric core is provided with buckle 2, buckle 2 sets up in draw-in groove 4 for fix electric core 1 on bottom plate 3, draw-in groove 4 is the dovetail, along the width convergent of the bottom of draw-in groove 4 to opening direction draw-in groove 4, the width that buckle 2 is close to 1 one end of electric core is less than the opening width of draw-in groove 4, the width that buckle 2 kept away from 1 one end of electric core is greater than the opening width of draw-in groove 4. In this embodiment, the cross section of draw-in groove 4 and buckle 2 is trapezoidal, the width that buckle 2 is close to 1 one end of electric core equals the opening width of draw-in groove 4, the width that buckle 2 is kept away from 1 one end of electric core equals the bottom width of draw-in groove 4, buckle 2 can block 4 in the draw-in groove just, fixes electric core 1 on bottom plate 3.

And a rotating body 5 is further arranged in the clamping groove 4, and the rotating body 5 is abutted to the battery cell 1.

As shown in fig. 2, the rotating bodies 5 include flexible bodies 9 disposed in the clamping grooves 4, and knobs 6 for rotating the flexible bodies 9, the knobs 6 are connected with the flexible bodies 9 through connecting rods 8, the knobs 6 are abutted against the battery cells 1, and a distance between adjacent rotating bodies 5 is equal to a width of the battery cells 1. The width of flexible body 9 is less than the bottom width of draw-in groove 4, the length of flexible body 9 is greater than the bottom width of draw-in groove 4, flexible body 9 is made for flexible material, can rotate in draw-in groove 4 to 4 chucking by the draw-in groove, knob 6 can separate adjacent electric core 1, prevents that electric core 1 from colliding.

The battery box is characterized in that heat dissipation grooves are formed in the bottom plate 3 and are formed in the side face and the bottom of the bottom plate 3, and fixing holes are formed in four corners of the bottom plate 3 and used for fixing the battery box.

The installation method of the embodiment comprises the following steps: as shown in fig. 1, first, a first electrical core 1 is clamped into a clamping groove 4 of a bottom plate 3 through a buckle 2 for fixing, the first electrical core 1 is fixed on the leftmost side, then a rotating body 5 is placed into the clamping groove 4, at the moment, a flexible body 9 is parallel to the clamping groove 4, a knob 6 is rotated to enable the length direction of the flexible body 9 to be perpendicular to the clamping groove 4, two side walls of the clamping groove 4 extrude the flexible body 9 to enable the flexible body 9 to be clamped into the clamping groove 4, the knob 6 is attached to the outer wall of the first electrical core 1, then a second electrical core 1 is installed, the buckle 2 of the second electrical core 1 is pushed onto the knob 6 attached to the first electrical core 1 through the clamping groove 4, then, similarly, the rotating body 5 is placed into the clamping groove 4 and rotated to enable the knob 6 to be attached to the outer wall of the second electrical core 1, installation of other electrical cores 1 is completed according to the above method, and finally the device is integrally hoisted into a power battery system box.

Example 2: the difference between embodiment 2 and embodiment 1 is that the structure and arrangement of the rotating body 5 are different. As shown in fig. 3, a plurality of mounting grooves 7 are formed in the surface of the bottom plate 3 in a direction perpendicular to the card slots 4, the mounting grooves 7 are disposed between two card slots 4, and the rotating body 5 is disposed in the mounting grooves 7.

As shown in fig. 4, the rotator 5 includes a flexible body 9 and a connecting

rod

8, 8 one end of the connecting rod is fixedly connected with the flexible body 9, the other end is rotatably connected with the bottom of the mounting groove 7, the flexible body 9 can rotate by taking the connecting rod 8 as an axis, the flexible body 9 is made of a flexible material, and the height of the flexible body is not higher than that of the surface of the bottom plate 3.

The installation method of the embodiment comprises the following steps: the initial state of the rotating bodies 5 is that the length direction of the flexible body 9 is parallel to the clamping grooves 4, a first battery cell 1 is clamped into the clamping grooves 4 of the bottom plate 3 through the buckles 2 to be fixed, the first battery cell 1 is fixed on the leftmost side, then the two rotating bodies 5 close to the first battery cell 1 are rotated, the length direction of the flexible body 9 is perpendicular to the first clamping grooves 4 and is attached to the buckles 2 of the first battery cell 1, one end of the flexible body 9 abuts against the inner wall of the clamping grooves 4 at the moment, then the second battery cell 1 is installed, the first buckles 2 of the second battery cell 1 are pushed onto the flexible body 9 attached to the first battery cell 1 through the first clamping grooves 4, then the two rotating bodies 5 closest to the right side of the second battery cell 1 are rotated, the length direction of the flexible body 9 is perpendicular to the first clamping grooves 4 and is attached to the buckles 2 of the second battery cell 1, installation of other battery cells 1 is completed according to the method, and finally the device is integrally hoisted into the power battery system box body.

The foregoing shows and describes the general principles and principal structural features of the present invention. The present invention is not limited by the above-mentioned examples, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and improvements fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a quick CTP device of forked tail slot type electric core, includes bottom plate (3) and installs electric core (1) on bottom plate (3), its characterized in that, bottom plate (3) upper surface is provided with draw-in groove (4), electric core (1) bottom is provided with buckle (2), buckle (2) set up in draw-in groove (4) for fix electric core (1) on bottom plate (3), draw-in groove (4) are the dovetail, along the width convergent of bottom to opening direction draw-in groove (4) of draw-in groove (4), the width that buckle (2) are close to electric core (1) one end is less than the opening width of draw-in groove (4), the width that electric core (1) one end was kept away from in buckle (2) is greater than the opening width of draw-in groove (4).

2. The quick CTP device with a dovetail-groove type battery cell of claim 1, wherein a rotator (5) is further disposed in the slot (4), and the rotator (5) abuts against the battery cell (1).

3. The quick CTP device of dovetail-groove type battery cell of claim 2, wherein the rotation body (5) comprises a flexible body (9) disposed in the slot (4), and a knob (6) for rotating the flexible body (9), the knob (6) is connected to the flexible body (9) through a connecting rod (8), and the knob (6) abuts against the battery cell (1).

4. The quick CTP device of claim 3, wherein the width of the flexible body (9) is less than the width of the bottom of the slot (4), and the length of the flexible body (9) is greater than the width of the bottom of the slot (4).

5. The quick CTP device with a dovetail-groove type battery cell of claim 2, wherein a mounting groove (7) is formed on the surface of the bottom plate (3), and the rotating body (5) is disposed in the mounting groove (7).

6. The quick CTP device of dovetail-groove type battery cell of claim 5, wherein the rotator (5) comprises a flexible body (9) and a connecting rod (8), one end of the connecting rod (8) is fixedly connected with the flexible body (9), the other end of the connecting rod is rotatably connected with the bottom of the mounting groove (7), and the flexible body (9) rotates around the connecting rod (8).

7. The quick CTP device of dovetail-groove type battery cell of claim 6, wherein the top of the flexible body (9) is not higher than the upper surface of the bottom plate (3).

8. The quick CTP device of dovetail-groove type battery cell of claim 6, wherein one end of the flexible body (9) is against the inner wall of the slot (4).

9. The quick CTP device of dovetail-groove type battery cell of any one of claims 2 to 8, wherein a plurality of said rotators (5) are provided, and the distance between adjacent rotators (5) is equal to the width of battery cell (1).