CN215266585U

CN215266585U - Lithium battery tab

Info

Publication number: CN215266585U
Application number: CN202121512948.7U
Authority: CN
Inventors: 黄加军
Original assignee: Luhua Energy Technology Baoshan Co ltd
Current assignee: Luhua Energy Technology Baoshan Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-12-21
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses a lithium battery tab relates to battery pack technical field, including protective film cover and closing plate, protective film cover's outside fixed cover is equipped with the sealing ring, and protective film cover's the equal fixed mounting in upper and lower both sides has spacing base, protective film cover's inside movable sleeve is equipped with the sheetmetal. This lithium battery tab, cooperation through protective film cover and closing plate and spacing post and spacing base is used, make this lithium battery tab place the sheetmetal in the inside back of protective film cover, can cup joint the closing plate in the outside of conducting strip, the surface of cup jointing spacing post contracts into the inside of closing plate and compresses spacing spring with spacing base contact back, it is fixed with the closing plate after the inside that the round hole that link up that the spacing post was seted up through spacing base outside inserted spacing base, make this lithium battery tab can carry out omnidirectional encapsulation with the sheetmetal through closing plate and protective film cover, the effectual possibility of taking place the short circuit between sheetmetal and the plastic-aluminum membrane of having avoided.

Description

Lithium battery tab

Technical Field

The utility model relates to a battery pack technical field specifically is lithium battery tab.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution using lithium metal or a lithium alloy as a positive/negative electrode material, and can be roughly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain metallic lithium and can be charged, lithium metal batteries, which are the fifth generation products of rechargeable batteries, are produced in 1996, the safety, the specific capacity, the self-discharge rate and the cost performance of lithium metal batteries are all superior to those of lithium ion batteries, and tabs are raw materials of lithium ion polymer battery products, such as mobile phone batteries, Bluetooth batteries, notebook batteries and the like which are used in our lives.

But common lithium battery tab still has certain not enough when using in market, and at first, the operation of common lithium battery tab when dismantling and change its inside sheetmetal is comparatively loaded down with trivial details, and secondly, the effect of common lithium battery tab in the aspect of preventing to take place the short circuit between sheetmetal and the plastic-aluminum membrane remains to be improved, for this reason, we have designed a lithium battery tab and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a lithium battery tab has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: lithium battery tab, including protective film cover and closing plate, the outside fixed cover of protective film cover is equipped with the sealing ring, and the equal fixed mounting in upper and lower both sides of protective film cover has spacing base, the inside movable sleeve of protective film cover is equipped with the sheetmetal, the outside fixed mounting of sheetmetal has the conducting strip, the joint mouth has been seted up to the outside of closing plate, and the outside movable sleeve of closing plate is equipped with evenly distributed's spacing post, the spacing spring of fixedly connected with between spacing post and the closing plate.

Optionally, the clamping interface and the conducting strip are matched with each other, the sealing plate is made of an insulating material, and a pull ring is fixedly mounted outside the sealing plate.

Optionally, a movable plate is movably sleeved inside the limiting base, and return springs are fixedly connected between the limiting base and the movable plate and are uniformly distributed.

Optionally, the bottom of the limiting base is provided with a through round hole matched with the limiting column, the outside of the movable plate is fixedly provided with a pressing block, and the pressing block extends to the outside of the limiting base.

Optionally, a movable groove matched with the limiting column is formed in the sealing plate, and an arc-shaped curved surface is arranged at the top of the limiting column.

Optionally, the protective film sleeve and the sealing ring are made of insulating materials, and the metal sheet and the conducting sheet are made of metal.

The utility model provides a lithium battery tab possesses following beneficial effect:

1. this lithium battery tab, cooperation through protective film cover and closing plate and spacing post and spacing base is used, make this lithium battery tab place the sheetmetal in the inside back of protective film cover, can cup joint the closing plate in the outside of conducting strip, the surface of cup jointing spacing post contracts into the inside of closing plate and compresses spacing spring with spacing base contact back, it is fixed with the closing plate after the inside that the round hole that link up that the spacing post was seted up through spacing base outside inserted spacing base, make this lithium battery tab can carry out omnidirectional encapsulation with the sheetmetal through closing plate and protective film cover, the effectual possibility of taking place the short circuit between sheetmetal and the plastic-aluminum membrane of having avoided.

2. This lithium battery tab, cooperation through pressing block and fly leaf and reset spring is used, make this lithium battery tab can drive the fly leaf and slide in the inside of spacing base through pressing the press block, it is tensile to drive reset spring when the fly leaf slides, the spacing post of bottom extrusion of fly leaf simultaneously, make the inside of spacing post retraction closing plate, later stimulate the outside pull ring of closing plate, because the top of spacing post has set up the arc curved surface, consequently, spacing post can be under the effect of arc curved surface the inside of retraction closing plate completely, thereby make the user swift take out the closing plate from the inside of protective film cover, make the dismantlement and the change work of completion sheetmetal that this lithium battery tab can be quick.

Drawings

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

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

FIG. 3 is a schematic structural view of the sealing plate of the present invention;

fig. 4 is the structure diagram of the inside of the limiting base of the present invention.

In the figure: 1. a protective film sleeve; 2. a seal ring; 3. a pressing block; 4. a metal sheet; 5. a conductive sheet; 6. a sealing plate; 7. a limiting column; 8. a card interface; 9. a limiting base; 10. a limiting spring; 11. a movable plate; 12. a return spring.

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 to 4, the present invention provides a technical solution: a lithium battery tab comprises a protective film sleeve 1 and a sealing plate 6, wherein a sealing ring 2 is fixedly sleeved outside the protective film sleeve 1, a limiting base 9 is fixedly installed on the upper side and the lower side of the protective film sleeve 1, a movable plate 11 is movably sleeved inside the limiting base 9, and uniformly distributed reset springs 12 are fixedly connected between the limiting base 9 and the movable plate 11, the movable plate 11 can drive the reset springs 12 to stretch or contract when moving inside the limiting base 9, when the movable plate 11 is not under the action of other forces, the fixed position can be kept under the action of the elastic force of the reset springs 12, a metal sheet 4 is movably sleeved inside the protective film sleeve 1, a conductive sheet 5 is fixedly installed outside the metal sheet 4, a clamping opening 8 is formed in the outer part of the sealing plate 6, uniformly distributed limiting columns 7 are movably sleeved outside the sealing plate 6, and through circular holes matched with the limiting columns 7 are formed in the bottom of the limiting base 9, the external part of the movable plate 11 is fixedly provided with the pressing block 3, the pressing block 3 extends to the external part of the limiting base 9, when the limiting column 7 enters the internal part of the limiting base 9 through the through round hole to fix the sealing plate 6, a user can drive the movable plate 11 to slide in the internal part of the limiting base 9 by pressing the pressing block 3 when the fixation is released, the movable plate 11 drives the reset spring 12 to stretch when sliding, the bottom of the movable plate 11 extrudes the limiting column 7, the limiting column 7 moves towards the internal part of the sealing plate 6 under the action of the pressure of the movable plate 11, so that the limiting column 7 leaves the internal part of the limiting base 9, the fixation on the sealing plate 6 is released, the internal part of the sealing plate 6 is provided with a movable groove matched with the limiting column 7, the top of the limiting column 7 is provided with an arc-shaped curved surface, and due to the structure of the limiting base 9, the limiting column 7 can not completely separate from the internal part of the limiting base 9 under the extrusion action of the movable plate 11, in order to facilitate the operation of a user on the sealing plate 6, an arc-shaped curved surface is arranged at the top of the limiting column 7, the arc-shaped curved surface can drive the limiting column 7 to slide in the movable groove after contacting with other structures and extruding, the clamping port 8 is matched with the conducting strip 5, the sealing plate 6 is made of insulating materials, a pull ring is fixedly arranged on the outer portion of the sealing plate 6, the sealing plate 6 can be sleeved on the outer portion of the conducting strip 5 through the clamping port 8 and then encapsulates the metal sheet 4 positioned in the protective film sleeve 1 to avoid the metal sheet 4 from contacting with an external aluminum-plastic film, the pull ring fixedly arranged on the outer portion of the sealing plate 6 can facilitate the user to move the sealing plate 6, a limiting spring 10 is fixedly connected between the limiting column 7 and the sealing plate 6, the protective film sleeve 1 and the sealing ring 2 are both made of insulating materials, the protective film sleeve 1 and the sealing ring 2 play a role in insulating protection on the metal sheet 4, the condition of preventing sheetmetal 4 from taking place the short circuit, sheetmetal 4 and conducting strip 5 all adopt the metal to make, and sheetmetal 4 and conducting strip 5 are used for exporting the inside electric core of lithium cell, need have good electric conductivity, consequently adopt the metal to make.

In conclusion, when the lithium battery tab is used, the metal sheet 4 is taken out and inserted into the protective film sleeve 1, the sealing plate 6 is taken out, the limiting spring 10 outside the sealing plate 6 is aligned with the conducting plate 5, the sealing plate 6 is sleeved outside the conducting plate 5, the outer surface of the limiting post 7 is contacted with the limiting base 9 and then is retracted into the sealing plate 6 under the action of the arc-shaped curved surface at the top of the limiting post 7, the limiting spring 10 is compressed, after the limiting post 7 moves to the through round hole formed outside the limiting base 9, the limiting post 7 is inserted into the limiting base 9 through the through round hole and then fixes the sealing plate 6, the metal sheet 4 is packaged in all directions through the sealing plate 6 and the protective film sleeve 1, when the metal sheet 4 needs to be disassembled and replaced, the pressing block 3 is pressed to drive the movable plate 11 to slide in the limiting base 9, and the movable plate 11 drives the return spring 12 to stretch when sliding, meanwhile, the bottom of the movable plate 11 extrudes the limiting column 7, the limiting column 7 moves towards the inside of the sealing plate 6 under the action of the pressure of the movable plate 11, the outer pull ring of the sealing plate 6 is pulled simultaneously, the top of the limiting column 7 is completely retracted into the inside of the sealing plate 6 under the action of the arc-shaped curved surface, the sealing plate 6 is pulled out from the inside of the protective film sleeve 1, and the packaging and dismounting processes of the whole lithium battery tab are completed.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Lithium battery tab, including protective film cover (1) and closing plate (6), its characterized in that: the fixed cover in outside of protective film cover (1) is equipped with sealing ring (2), and the equal fixed mounting in upper and lower both sides of protective film cover (1) has spacing base (9), the inside movable sleeve of protective film cover (1) is equipped with sheetmetal (4), the outside fixed mounting of sheetmetal (4) has conducting strip (5), joint interface (8) have been seted up to the outside of closing plate (6), and the outside movable sleeve of closing plate (6) is equipped with evenly distributed's spacing post (7), fixedly connected with spacing spring (10) between spacing post (7) and closing plate (6).

2. The tab for lithium batteries according to claim 1, wherein: the clamping interface (8) is matched with the conducting strip (5), the sealing plate (6) is made of insulating materials, and a pull ring is fixedly arranged outside the sealing plate (6).

3. The tab for lithium batteries according to claim 1, wherein: the inner part of the limiting base (9) is movably sleeved with a movable plate (11), and return springs (12) which are uniformly distributed are fixedly connected between the limiting base (9) and the movable plate (11).

4. The tab for lithium batteries according to claim 3, wherein: the bottom of the limiting base (9) is provided with a through round hole matched with the limiting column (7), the outside of the movable plate (11) is fixedly provided with a pressing block (3), and the pressing block (3) extends to the outside of the limiting base (9).

5. The tab for lithium batteries according to claim 1, wherein: the inside of closing plate (6) is seted up with spacing post (7) assorted activity groove, the top of spacing post (7) is provided with the arc curved surface.

6. The tab for lithium batteries according to claim 1, wherein: the protective film sleeve (1) and the sealing ring (2) are made of insulating materials, and the metal sheet (4) and the conducting sheet (5) are made of metal.