CN218677317U

CN218677317U - Just, dismouting formula lithium battery cell group spare

Info

Publication number: CN218677317U
Application number: CN202223095171.6U
Authority: CN
Inventors: 李镇璧; 孙术刚
Original assignee: Dongguan Bosen New Energy Co ltd
Current assignee: Dongguan Bosen New Energy Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-03-21
Anticipated expiration: 2032-11-21

Abstract

The utility model belongs to the technical field of the cell subassembly. Especially, just, reassembling type lithium cell electric core subassembly, including the protecting crust, the protecting crust is including the casing, the mounting groove has been seted up at the casing top, the casing both sides are symmetrical structure respectively and have seted up the recess, mounting groove inner wall top has set firmly the top cap, the electric core group is installed to the mounting groove inner wall, electric core group top utmost point ear passes the top cap and extends to its outside, the mounting groove inner wall is symmetrical structure and is equipped with a plurality of conducting strips, conducting strip and electric core group surface contact, it is a plurality of the conducting strip surface has set firmly a plurality of coupling assembling respectively. Through conducting strip and electric core group surface contact, when electric core group is at the operation in-process, the heat that its surface gived off can be through conducting strip fast transfer to the connecting rod on to carry to the casing outside through the connecting rod, reach quick radiating effect, reduce the deformation range of lithium cell.

Description

Just, dismouting formula lithium battery cell group spare

Technical Field

The utility model relates to a cell subassembly technical field especially relates to a just, reassembling type lithium cell battery cell subassembly.

Background

Lithium battery cell is the core part of lithium cell, divide into the aluminum hull electricity core, laminate polymer core, three kinds of cylinder electricity core, current lithium battery cell is in the use, the electricity core group sets up inside the casing, when using, the heat that the electricity core group gived off is difficult to be gived off to the casing outside fast, lead to inside more heat is concentrated at the casing, thereby influence the radiating effect of electricity core group, simultaneously more heat can lead to the electrolyte to decompose the gasification, accelerate the deformation of battery, for this reason, we provide a just, dismouting formula lithium battery cell group spare.

SUMMERY OF THE UTILITY MODEL

The radiating effect based on electric core group is not good among the prior art, and more heat can lead to the electrolyte to decompose the gasification simultaneously for the technical problem of the deformation of battery, the utility model provides a just, dismouting formula lithium cell electric core subassembly.

The utility model provides a just, dismouting formula lithium cell battery pack, including the protecting crust, the protecting crust includes the casing, the casing top has seted up the mounting groove, the casing both sides are symmetrical structure respectively and have seted up the recess, mounting groove inner wall top sets firmly the top cap, the mounting groove inner wall is installed the electric core group, electric core group top utmost point ear passes the top cap and extends to its outside, the mounting groove inner wall is symmetrical structure and is equipped with a plurality of conducting strips, conducting strip and electric core group surface contact, a plurality of conducting strip surface sets firmly a plurality of coupling assembling respectively;

coupling assembling is including the connecting rod, the connecting rod is connected fixedly with the conducting strip, the connecting rod tip passes the casing and extends to inside the recess, connecting rod circumference outer wall cover is equipped with the spring.

Preferably, one end of the spring is fixedly connected with the inner wall of the shell, and the other end of the spring is fixedly connected with the heat-conducting fin.

Preferably, the base is fixedly arranged at the bottom of the inner wall of the mounting groove, and the top of the base is fixedly connected with the electric core group in a clamping manner.

Preferably, the end of the connecting rod is provided with a through hole, and the circumferential outer wall of the connecting rod is provided with a plurality of heat dissipation holes.

Preferably, two recess inner wall sliding connection respectively has the mounting panel, a plurality of draw-in grooves have been seted up on the surface, are located a plurality of the top the connecting rod with draw-in groove inner wall sliding connection respectively, be located a plurality of the top connecting rod circumference outer wall all has set firmly the slider.

Preferably, the sliding block is of a semicircular structure, and the sliding block is located in a groove on the outer side of the shell.

Preferably, two the mounting panel top has set firmly the clamp plate respectively, the mounting panel both sides are symmetrical structure and have set firmly the stopper respectively, two recess inner wall both sides are symmetrical structure respectively and have seted up the spacing groove, stopper and spacing inslot wall sliding connection.

Preferably, the surfaces of the two mounting plates are respectively provided with an inclined surface.

The utility model provides a beneficial effect does:

1. through conducting strip and electric core group surface contact, when electric core group is at the operation in-process, the heat that its surface gived off can be through conducting strip fast transfer to the connecting rod on to carry to the casing outside through the connecting rod, reach quick radiating effect, reduce the deformation range of lithium cell.

2. When the electricity core group produces the inflation in long-time repeated use, the electricity core group can produce the extrusion to the conducting strip this moment, thereby make the connecting rod slide to its outside along the casing, and produce the extrusion to the spring, under the effect of spring, can make the conducting strip carry out the work of dispelling the heat with electricity core group surface contact all the time, the connecting rod that has elastic stretching simultaneously, can avoid blockking it when the electricity core group produces the inflation, the inflation space that leads to the electricity core group reduces, thereby cause the electrolyte to appear revealing, and cause danger.

3. Through having seted up through-hole and louvre on the connecting rod surface, can avoid inside the outside mobile air of casing can get into the connecting rod to can accelerate the radiating effect of connecting rod.

4. Through pressing down two clamp plates simultaneously, the slider can drive the connecting rod and slide to the outside for distance grow between two conducting strips, thereby can be convenient for install the electricity core group.

5. Through setting up the inclined plane to set up the slider into semicircle, can reduce the frictional force between mounting panel and the slider, thereby be convenient for the slip of mounting panel.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

fig. 4 is a schematic structural view of the connection assembly of the present invention.

In the figure: 1. a protective shell; 101. a housing; 102. mounting grooves; 103. a groove; 104. a limiting groove; 2. a base; 3. the electric core group; 4. a top cover; 5. a heat conductive sheet; 6. a connection assembly; 601. a connecting rod; 602. a slider; 603. a spring; 604. a through hole; 605. heat dissipation holes; 7. mounting a plate; 8. a bevel; 9. a card slot; 10. pressing a plate; 11. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a just, dismouting formula lithium cell electricity core subassembly, including protecting crust 1, protecting crust 1 is including casing 101, casing 101 top has been seted up mounting groove 102, casing 101 both sides are symmetrical structure respectively and have been seted up recess 103, mounting groove 102 inner wall bottom has set firmly base 2, base 2 top is fixed with 3 joints of cell group, mounting groove 102 inner wall top has set firmly top cap 4, cell group 3 is installed to mounting groove 102 inner wall, 3 top utmost points of cell group pass top cap 4 and extend to its outside, mounting groove 102 inner wall is symmetrical structure and is equipped with a plurality of conducting strips 5, conducting

strip

5 and 3 surface contact of cell group, a plurality of conducting strip 5 surfaces have set firmly a plurality of coupling assembling 6 respectively, coupling assembling 6 is including connecting rod 601, connecting rod 601 is connected fixedly with conducting strip 5, the connecting rod 601 tip passes casing 101 and extends to inside recess 103, connecting rod 601 circumference outer wall cover is equipped with spring 603, spring 603 one end and casing 101 inner wall connection are fixed, the spring 603 other end is connected fixedly with conducting strip 5.

In the technical scheme of the application, the end of the connecting rod 601 is provided with a through hole 604, the outer wall of the circumference of the connecting rod 601 is provided with a plurality of heat dissipation holes 605, the surface of the connecting rod 601 is provided with the through hole 604 and the heat dissipation holes 605, so that the flowing air outside the shell 101 can be prevented from entering the inside of the connecting rod 601, the heat dissipation effect of the connecting rod 601 can be accelerated,

in this application technical scheme, two recess 103 inner walls sliding connection respectively has mounting panel 7, a plurality of draw-in grooves 9 have been seted up on the surface, a plurality of connecting rods 601 that are located the top and draw-in groove 9 inner wall sliding connection respectively, a plurality of connecting rod 601 circumference outer walls that are located the top have all set firmly slider 602, two 7 tops of mounting panel have set firmly clamp plate 10 respectively, 7 both sides of mounting panel are symmetrical structure and have set firmly stopper 11 respectively, two recess 103 inner wall both sides are symmetrical structure respectively and have seted up spacing groove 104, stopper 11 and spacing groove 104 inner wall sliding connection, through pressing down two clamp plate 10 simultaneously, can make the distance grow between two conducting strips 5, thereby can be convenient for install electricity core group 3 fixedly.

In the technical scheme of the application, the sliding block 602 is of a semicircular structure, the sliding block 602 is located in the groove 103 on the outer side of the shell 101, and the inclined surfaces 8 are respectively formed on the surfaces of the two mounting plates 7.

The working principle is as follows: through the surface contact of the heat-conducting strip 5 and the electric core group 3, when the electric core group 3 is in operation, the heat emitted from the surface can be quickly transmitted to the connecting rod 601 through the heat-conducting strip 5 and is conveyed to the outer side of the shell 101 through the connecting rod 601, so as to achieve the effect of quick heat dissipation and reduce the deformation amplitude of the lithium battery, meanwhile, when the electric core group 3 expands in the long-time repeated use process, the electric core group 3 can extrude the heat-conducting strip 5, so that the connecting rod 601 slides outwards along the shell 101 and extrudes the spring 603, under the action of the spring 603, the heat-conducting strip 5 can always contact with the surface of the electric core group 3 to perform the heat dissipation work, and meanwhile, the connecting rod 601 with elastic expansion can avoid blocking the electric core group 3 when the electric core group 3 expands, so that the expansion space of the electric core group 3 is reduced, thereby causing the leakage of electrolyte, and cause danger, through opening through-hole 604 and louvre 605 on the surface of connecting rod 601, can avoid the outside flowing air of casing 101 can enter inside connecting rod 601, thus can accelerate the radiating effect of connecting rod 601, through pressing two clamp plates 10 simultaneously downwards, can drive mounting panel 7 to slide downwards along recess 103, make the stopper 11 of mounting panel 7 both sides slide downwards along spacing groove 104 inner wall, at this moment, the inclined plane 8 on the mounting panel 7 can produce the extrusion to the slider 602, when mounting panel 7 blocks on the surface of connecting rod 601, the slider 602 can drive connecting rod 601 to slide to the outside at this moment, make the distance between two conducting strips 5 grow, thus can be convenient for installing and fixing the electric core group 3, when pulling mounting panel 7 upwards, under the effect of spring 603, conducting strip 5 and electric core group 3 surface contact, through setting up inclined plane 8, and the slider 602 is arranged in a semicircular shape, so that the friction force between the mounting plate 7 and the slider 602 can be reduced, thereby facilitating the sliding of the mounting plate 7.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a just, reassembling type lithium cell battery cell subassembly, includes protective housing (1), its characterized in that: the protective shell (1) comprises a shell (101), wherein the top of the shell (101) is provided with a mounting groove (102), two sides of the shell (101) are respectively provided with a groove (103) in a symmetrical structure, the top of the inner wall of the mounting groove (102) is fixedly provided with a top cover (4), the inner wall of the mounting groove (102) is provided with an electric core group (3), the top electrode lugs of the electric core group (3) penetrate through the top cover (4) and extend to the outer side of the top cover, the inner wall of the mounting groove (102) is provided with a plurality of heat conducting fins (5) in a symmetrical structure, the heat conducting fins (5) are in surface contact with the electric core group (3), and the surfaces of the heat conducting fins (5) are respectively and fixedly provided with a plurality of connecting assemblies (6);

coupling assembling (6) are including connecting rod (601), connecting rod (601) are connected fixedly with conducting strip (5), connecting rod (601) tip passes casing (101) and extends to inside recess (103), connecting rod (601) circumference outer wall cover is equipped with spring (603).

2. The lithium battery cell assembly of claim 1, of a ready-to-disassemble type, further comprising: one end of the spring (603) is fixedly connected with the inner wall of the shell (101), and the other end of the spring (603) is fixedly connected with the heat conducting fin (5).

3. The lithium battery cell assembly of claim 1, of a ready-to-disassemble type, further comprising: the base (2) is fixedly arranged at the bottom of the inner wall of the mounting groove (102), and the top of the base (2) is fixedly connected with the cell group (3).

4. The lithium battery cell assembly of claim 1, wherein: through holes (604) are formed in the end portion of the connecting rod (601), and a plurality of heat dissipation holes (605) are formed in the outer wall of the circumference of the connecting rod (601).

5. The lithium battery cell assembly of claim 1, of a ready-to-disassemble type, further comprising: two recess (103) inner wall sliding connection respectively has mounting panel (7), a plurality of draw-in grooves (9) have been seted up on the surface, are located the top a plurality of connecting rod (601) and draw-in groove (9) inner wall sliding connection respectively are located the top a plurality of connecting rod (601) circumference outer wall all has set firmly slider (602).

6. The lithium battery cell assembly of claim 5, wherein: the sliding block (602) is of a semicircular structure, and the sliding block (602) is located in a groove (103) on the outer side of the shell (101).

7. The lithium battery cell assembly of claim 5, wherein: two mounting panel (7) top has set firmly clamp plate (10) respectively, mounting panel (7) both sides are symmetrical structure and have set firmly stopper (11) respectively, two recess (103) inner wall both sides are symmetrical structure respectively and have seted up spacing groove (104), stopper (11) and spacing groove (104) inner wall sliding connection.

8. The lithium battery cell assembly of claim 7, wherein: inclined planes (8) are respectively arranged on the surfaces of the two mounting plates (7).