CN217562771U

CN217562771U - Lug structure for power lithium ion power battery

Info

Publication number: CN217562771U
Application number: CN202123390732.0U
Authority: CN
Inventors: 曾萍
Original assignee: Wuxi Baishijie Metal Product Technology Co ltd
Current assignee: Wuxi Baishijie Metal Product Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-10-11
Anticipated expiration: 2031-12-29

Abstract

The application provides a power lithium ion is utmost point ear structure for power battery belongs to utmost point ear technical field. The tab structure for the power lithium ion power battery comprises a base and a fixing assembly. The base include the metal conductor area with fusing portion, fusing portion set up in metal conductor area surface, fixed subassembly includes that first utmost point ear glues piece, second utmost point ear and glues piece and third utmost point ear and glues the piece, first utmost point ear glues the piece surface and is provided with the draw-in groove, first utmost point ear glues the piece and passes through the draw-in groove joint is in on the metal conductor area, glues piece, second utmost point ear and the third utmost point ear through the first utmost point ear that the combination set up and glues the piece, conveniently laminates the support to the fusing portion region, more makes things convenient for outside operating personnel to change fusing portion through dismantling first utmost point ear and gluing piece, second utmost point ear and third ear and gluing the piece.

Description

Lug structure for power lithium ion power battery

Technical Field

The application relates to the technical field of tabs, in particular to a tab structure for a power lithium ion power battery.

Background

At present, the lithium ion power battery has the advantages of high voltage, high energy density, multiple cycle times and the like, and is widely applied to electric equipment such as electric automobiles, electric buses, electric bicycles and the like. At present use most be with laser with the anodal utmost point ear of electric core and negative pole utmost point ear with establishing ties or parallelly connected mode welding together, at present, utmost point ear glue adopts the monoblock to fix on fusing device in traditional utmost point ear structure, when fusing device because the electric current is too big when damaging, outside operating personnel is difficult to effectively change fusing device to influence the result of use of utmost point ear.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above insufficiency, the application provides a pole ear structure for a power lithium ion power battery, aiming at improving the problems.

The embodiment of the application provides a power lithium ion is utmost point ear structure for power battery, including base and fixed subassembly.

The base include the metal conductor area with fusing portion, fusing portion set up in metal conductor area surface, fixed subassembly includes that first utmost point ear glues piece, second utmost point ear and glues piece and third utmost point ear and glues the piece, first utmost point ear glues a piece surface and is provided with the draw-in groove, the draw-in groove with metal conductor area corresponds the setting, first utmost point ear glues the piece and passes through the draw-in groove joint is in on the metal conductor area, first utmost point ear glue the piece with fusing portion corresponds the setting, second utmost point ear glues the piece and cup joints and is fixed in first utmost point ear glues a piece surface, third utmost point ear glues a piece surface and is provided with the fixed slot, third utmost point ear glue the piece respectively with second utmost point ear glues the piece with first utmost point ear glues a piece threaded connection.

In the above-mentioned realization process, the fusing part sets up in metallic conductor area surface, first utmost point ear glues the piece surface and is provided with the draw-in groove, the draw-in groove corresponds the setting with the metallic conductor area, first utmost point ear glues the piece and passes through the draw-in groove joint on the metallic conductor area, first utmost point ear glues the piece and corresponds the setting with the fusing part, second utmost point ear glues the piece and cup joints and is fixed in first utmost point ear and glues the piece surface, third utmost point ear glues the piece surface and is provided with the fixed slot, third utmost point ear glues the piece and glues piece and first utmost point ear rubber piece threaded connection with second utmost point ear respectively, glue the piece through the first utmost point ear that the combination set up, second utmost point ear glues piece and third utmost point ear and glues the piece, the convenience is laminated the support to the fusing part region, more make things convenient for outside operating personnel to glue the piece through dismantling first utmost point ear, second utmost point ear glues piece and third utmost point ear rubber piece, change fusing part.

In a specific embodiment, the metal conductor strip comprises an upper end portion, a first leg and a second leg, wherein the first leg and the second leg are respectively arranged on two sides of the bottom of the upper end portion.

In the implementation process, the first supporting leg and the second supporting leg are respectively arranged on two sides of the bottom of the upper end portion, and the adjacent upper end portions are conveniently fixed through the multiple groups of the first supporting legs and the second supporting legs.

In a specific embodiment, the fusing part is fixed to the upper end surface.

At above-mentioned realization in-process, fusing part is fixed in the upper end surface, and through the fusing part that sets up, the convenience is when the electric current is too big, for the battery provides the protection.

In a particular embodiment, a gap is provided between the first leg and the second leg.

In the implementation process, a gap is formed between the first supporting leg and the second supporting leg, and the connecting screw is conveniently installed through the arranged gap.

In a specific embodiment, a first groove is arranged on one side of the first leg, and the first groove is arranged corresponding to the first leg.

In the implementation process, a first groove is formed in one side of the first support leg, the first groove and the first support leg are correspondingly arranged, and the connecting screw is conveniently placed through the arranged first groove.

In a specific embodiment, a second groove is arranged on one side of the second leg, and the second groove is arranged corresponding to the second leg.

In the implementation process, a second groove is formed in one side of the second supporting leg and corresponds to the second supporting leg, and the connecting screw is conveniently placed through the second groove.

In a specific embodiment, the first groove is arranged corresponding to the second groove.

In the implementation process, due to the arrangement of the first groove and the second groove, an operator can conveniently install and fix the lug through the connecting screw.

In a specific embodiment, a connection screw is arranged between the first groove and the second groove, and one end of the connection screw penetrates through the gap.

In the implementation process, the connecting screw is arranged between the first groove and the second groove, one end of the connecting screw penetrates through the gap, and the lug is conveniently fixed integrally through the arranged connecting screw.

In a specific embodiment, the surface of the first tab rubber block is provided with an inclined block, and the surface of the inclined block is provided with a first inclined plane.

In the implementation process, the surface of the first tab glue block is provided with the inclined block, the surface of the inclined block is provided with the first inclined plane, and the second tab glue block can conveniently pressurize and fix the first tab glue block through the arranged inclined block and the inclined plane.

In a specific implementation scheme, a through groove is formed in the surface of the second lug rubber block, a second inclined plane is arranged inside the through groove, the second inclined plane and the first inclined plane are correspondingly arranged, and the second lug rubber block is sleeved with the inclined block in a threaded manner.

In the above-mentioned realization process, the second utmost point ear is glued piece surface and is provided with logical groove, leads to inside the groove and is provided with the second inclined plane, and the second inclined plane corresponds the setting with first inclined plane, and the second utmost point ear is glued the piece screw and is cup jointed in the sloping piece, and the convenience is at the rotating in-process, and the piece is glued to the second utmost point ear and can be to sloping piece surface pressurization to glue the piece and fix first utmost point ear, and glue piece and second utmost point ear and glue the piece and fix through the third utmost point ear that sets up.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a tab structure for a power lithium ion power battery provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a portion of a connection screw provided in an embodiment of the present application;

fig. 3 is a schematic structural view of a part of a first tab rubber block provided in an embodiment of the application;

FIG. 4 is a schematic structural diagram of a second bevel portion provided in an embodiment of the present application;

fig. 5 is a schematic structural view of a fixing groove portion according to an embodiment of the present disclosure.

In the figure: 100-a base; 110-a metal conductor strip; 111-an upper end; 112-a first leg; 1121 — a first groove; 113-a second leg; 1131 — second groove; 114-a gap; 115-attachment screws; 120-a fuse; 200-a stationary component; 210-a first tab glue block; 211-card slot; 212-a swash block; 213-a first bevel; 220-second pole ear rubber block; 221-through groove; 222-a second bevel; 230-third ear rubber block; 231-fixed slots.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-5, the present application provides a tab structure for a lithium ion power battery, which includes a base 100 and a fixing assembly 200.

Referring to fig. 1-5, the base 100 includes a metal conductive strip 110 and a fuse 120, the fuse 120 is disposed on the surface of the metal conductive strip 110.

In some specific embodiments, the metal conductor strip 110 includes an upper end 111, a first leg 112 and a second leg 113, the first leg 112 and the second leg 113 are respectively disposed on two sides of the bottom of the upper end 111, and the adjacent upper ends 111 are conveniently fixed by the disposed sets of the first leg 112 and the second leg 113.

In some specific embodiments, the fuse 120 is fixed on the surface of the upper end 111, and the fuse 120 is disposed to facilitate protection of the battery when the current is too large.

In some embodiments, a gap 114 is provided between the first leg 112 and the second leg 113, and the connection screw 115 is conveniently installed through the gap 114.

In some specific embodiments, a first groove 1121 is formed at one side of the first leg 112, and the first groove 1121 is formed corresponding to the first leg 112, so that the connection screw 115 can be conveniently placed through the first groove 1121.

In some specific embodiments, a second groove 1131 is formed on one side of the second leg 113, the second groove 1131 is disposed corresponding to the second leg 113, and the connection screw 115 is conveniently placed through the disposed second groove 1131.

In some specific embodiments, the first groove 1121 and the second groove 1131 are disposed correspondingly, so that an operator can conveniently mount and fix the tab structure through the connection screw 115.

In some specific embodiments, a connection screw 115 is disposed between the first groove 1121 and the second groove 1131, one end of the connection screw 115 penetrates through the gap 114, and the connection screw 115 is disposed to facilitate fixing of the entire tab.

Referring to fig. 1-5, the fixing assembly 200 includes a first tab adhesive block 210, a second tab adhesive block 220, and a third tab adhesive block 230, wherein a slot 211 is disposed on a surface of the first tab adhesive block 210, the slot 211 corresponds to the metal conductor strip 110, the first tab adhesive block 210 is fastened to the metal conductor strip 110 through the slot 211, the first tab adhesive block 210 corresponds to the fuse 120, the second tab adhesive block 220 is fixed on a surface of the first tab adhesive block 210 in a sleeved manner, a fixing slot 231 is disposed on a surface of the third tab adhesive block 230, and the third tab adhesive block 230 is respectively connected to the second tab adhesive block 220 and the first tab adhesive block 210 in a threaded manner.

In some specific embodiments, the surface of the first tab glue block 210 is provided with an inclined block 212, the surface of the inclined block 212 is provided with a first inclined surface 213, and the second tab glue block 220 facilitates the pressure fixation of the first tab glue block 210 through the arrangement of the inclined block 212 and the first inclined surface 213.

In some specific embodiments, the surface of the second tab glue block 220 is provided with a through groove 221, a second inclined surface 222 is provided inside the through groove 221, the second inclined surface 222 is provided corresponding to the first inclined surface 213, the second tab glue block 220 is screwed on the sloping block 212, so that the second tab glue block 220 can pressurize the surface of the sloping block 212 in the rotating process, thereby fixing the first tab glue block 210, and fixing the first tab glue block 210 and the second tab glue block 220 through the provided third tab glue block 230.

The working principle of the tab structure for the power lithium ion power battery is as follows: during the use, operating personnel glues piece 210 to first utmost point ear, the gluey piece 220 of second utmost point ear and the gluey piece 230 of third utmost point ear carries out the aggregate erection to install the fusing portion 120 on upper end 111 surface, fusing portion 120 is when the electric current is too big, for the battery provides the fusing protection, operating personnel glues piece 210 through dismantling first utmost point ear, the gluey piece 220 of second utmost point ear and the gluey piece 230 of third utmost point ear, change fusing portion 120, be convenient for improve the result of use of utmost point ear.

It should be noted that the specific model specifications of the fusing part 120, the first tab glue block 210, the second tab glue block 220, and the third tab glue block 230 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the fusing part 120 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A pole ear structure for a power lithium ion power battery is characterized by comprising

A base (100), the base (100) comprising a metal conductor strip (110) and a fuse (120), the fuse (120) being disposed on a surface of the metal conductor strip (110);

fixed subassembly (200), fixed subassembly (200) glue piece (210), second pole ear including first pole ear and glue piece (220) and third pole ear and glue piece (230), first pole ear glues piece (210) surface and is provided with draw-in groove (211), draw-in groove (211) with metal conductor area (110) correspond the setting, first pole ear glues piece (210) and passes through draw-in groove (211) joint is in on the metal conductor area (110), first pole ear glue piece (210) with fusing portion (120) correspond the setting, second pole ear glues piece (220) and cup joints and is fixed in first pole ear glues piece (210) surface, third pole ear glues piece (230) surface and is provided with fixed slot (231), third pole ear glue piece (230) respectively with second pole ear glue piece (220) with first pole ear glues piece (210) threaded connection.

2. The tab structure for the power lithium ion power battery according to claim 1, wherein the metal conductor strip (110) comprises an upper end portion (111), a first leg (112) and a second leg (113), and the first leg (112) and the second leg (113) are respectively disposed on two sides of the bottom of the upper end portion (111).

3. The tab structure for the power lithium ion power battery according to claim 2, wherein the fusing part (120) is fixed on the surface of the upper end part (111).

4. The tab structure for a power lithium ion power battery according to claim 3, wherein a gap (114) is provided between the first leg (112) and the second leg (113).

5. The tab structure for the power lithium ion power battery according to claim 4, wherein a first groove (1121) is formed on one side of the first leg (112), and the first groove (1121) is formed corresponding to the first leg (112).

6. The tab structure for the power lithium ion power battery as claimed in claim 5, wherein a second groove (1131) is formed on one side of the second leg (113), and the second groove (1131) is formed corresponding to the second leg (113).

7. The tab structure for the power lithium ion power battery according to claim 6, wherein the first groove (1121) is disposed corresponding to the second groove (1131).

8. The tab structure for the power lithium ion power battery according to claim 7, wherein a connection screw (115) is disposed between the first groove (1121) and the second groove (1131), and one end of the connection screw (115) penetrates through the gap (114).

9. The tab structure for the power lithium ion power battery according to claim 8, wherein the surface of the first tab rubber block (210) is provided with an inclined block (212), and the surface of the inclined block (212) is provided with a first inclined plane (213).

10. The tab structure for the power lithium ion power battery according to claim 9, wherein a through groove (221) is formed in the surface of the second tab rubber block (220), a second inclined surface (222) is formed inside the through groove (221), the second inclined surface (222) is arranged corresponding to the first inclined surface (213), and the second tab rubber block (220) is in threaded sleeve connection with the inclined block (212).