CN212230550U

CN212230550U - Ultrathin lithium battery

Info

Publication number: CN212230550U
Application number: CN202021355095.6U
Authority: CN
Inventors: 覃燊
Original assignee: Beijing Zhongtaihaomiao Technology Development Co ltd
Current assignee: Beijing Zhongbao Zhihe Technology Co ltd
Priority date: 2020-07-12
Filing date: 2020-07-12
Publication date: 2020-12-25
Anticipated expiration: 2030-07-12

Abstract

The utility model discloses an ultra-thin lithium cell, which comprises an outer shell, the terminal surface of shell is provided with circular recess, and the internally mounted of circular recess has the finger position buckle. Has the advantages that: the utility model discloses a protection wheel, when ultra-thin lithium cell is installed inside with electric battery holder, two sets of positioning screw of counter-clockwise rotation, when the one end of two sets of positioning screw respectively with the terminal surface separation of two sets of trapezoidal built-in grooves, rotatory two sets of protection wheels, two sets of slide bars are respectively in the inside removal of two sets of slope convex built-in grooves, two sets of slide bars can carry on spacingly to the shift position of two sets of protection wheels, when the lateral wall of two sets of protection wheels and the one end of anodal ear and negative pole ear are located same water flat line, two sets of positioning screw of clockwise rotation, when the one end of two sets of positioning screw respectively with the terminal surface contact of two sets of trapezoidal built-in grooves, stop motion, two sets of protection wheels can support fixed ultra-thin lithium cell, protection wheel through the setting, bring the.

Description

Ultrathin lithium battery

Technical Field

The utility model relates to a lithium cell technical field particularly, relates to an ultra-thin lithium cell.

Background

The ultrathin lithium battery is a very thin lithium battery as the name implies, is improved in all directions along with the development of science and technology, has the characteristics of good safety, light weight, high capacity, high discharge platform and electrical rate, wide adaptive temperature range, low self-discharge rate and the like, and has the advantages of environmental friendliness, no ignition, no explosion, convenience in installation and the like in practical use.

When traditional ultra-thin lithium cell in-service use, in the equal external air of one end of anodal ear and negative pole ear, fall ground or use in erection and suffer when external collision when ultra-thin lithium cell, cause the damage of anodal ear and negative pole ear easily, bring inconvenience for ultra-thin lithium cell's protection work, secondly, during the ultra-thin lithium cell of in-service use, can settle it inside the battery tray with electrical apparatus, because ultra-thin lithium cell is very thin, inconvenient withholding the ultra-thin lithium cell out and taking the use, bring inconvenience for ultra-thin lithium cell's use.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an ultra-thin lithium cell possesses the positive ear of protection and negative pole ear, the advantage of the use of being convenient for to take, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realizing the positive tab and the negative tab of above-mentioned protection, the advantage of the use of being convenient for to take, the utility model discloses a concrete technical scheme as follows:

an ultrathin lithium battery comprises a shell, wherein a circular groove is formed in the end face of the shell, a finger-position pinch plate is arranged inside the circular groove, a positive bearing layer and a negative bearing layer are respectively arranged on two sides inside the shell, a first diaphragm plate and a second diaphragm plate are arranged on the side wall of the finger-position pinch plate, one end of the first diaphragm plate is connected with the top surface inside the shell, one end of the second diaphragm plate is connected with the bottom surface inside the shell, a positive electrode material is arranged between the positive bearing layer and the first diaphragm plate as well as between the positive bearing layer and the second diaphragm plate, a negative electrode material is arranged between the negative bearing layer and the first diaphragm plate as well as between the negative bearing layer and the second diaphragm plate, a positive plate is arranged on the upper portion of the positive electrode material, a positive lug is arranged on the upper portion of the positive plate, one end of the positive lug penetrates through the top surface inside the shell, and, and the upper portion of negative pole piece installs the negative pole ear to the inside top surface of shell is run through to the one end of negative pole ear, the terminal surface upper portion both sides of shell are provided with trapezoidal built-in groove respectively, and two sets of the protection wheel is all installed to the inside in trapezoidal built-in groove.

Further, it is two sets of all run through of protection wheel installs slide bar and positioning screw, and is two sets of the inside terminal surface in trapezoidal built-in groove all is provided with slope convex built-in groove, and is two sets of the one end of slide bar is located two sets of respectively the inside in slope convex built-in groove, and is two sets of positioning screw's one end all with two sets of the inside terminal surface contact in trapezoidal built-in groove.

Furthermore, the side walls of the two groups of protection wheels are provided with anti-skid bulges.

Furthermore, the end face of the finger position buckle plate is provided with a blind hole convex built-in groove, a return spring is arranged behind the inner part of the blind hole convex built-in groove, and one end of the return spring is provided with a dust cover.

Furthermore, the length of the cross section of the dustproof cover is the same as that of the cross section of the convex built-in groove bulge of the blind hole.

Furthermore, the external length of the positive electrode tab is the same as that of the negative electrode tab.

(III) advantageous effects

Compared with the prior art, the utility model provides an ultra-thin lithium cell possesses following beneficial effect:

(1) the utility model adopts the protection wheel, when the ultra-thin lithium battery is arranged in the battery holder of the electric appliance, two sets of positioning screw rods are rotated anticlockwise, when one ends of the two sets of positioning screw rods are respectively separated from the end faces of two sets of trapezoidal built-in grooves, two sets of protection wheels are rotated, two sets of sliding rods respectively move in the two sets of inclined convex built-in grooves, the two sets of sliding rods can limit the moving positions of the two sets of protection wheels, when the side walls of the two sets of protection wheels and one ends of the anode lug and the cathode lug are positioned on the same horizontal line, the two sets of positioning screw rods are rotated clockwise, when one ends of the two sets of positioning screw rods are respectively contacted with the end faces of the two sets of trapezoidal built-in grooves, the movement is stopped, when one ends of the anode lug and the cathode lug are extruded externally, the two sets of protection wheels can support and fix the ultra-thin lithium battery, when the ultra-thin lithium battery is prevented from being extruded and collided by foreign objects, one end of the positive electrode lug and one end of the negative electrode lug are firstly contacted with the impact objects to be damaged, and convenience is brought to protection work of the ultra-thin lithium battery.

(2) The utility model discloses a indicate the position buckle, when needs shift out ultra-thin lithium cell from the battery tray with electrical apparatus, with a finger, press the shield, reset spring is in compression state this moment, when finger one end gets into the inside of blind hole convex built-in tank, crooked finger one end, the buckle draws the bellied position of blind hole convex built-in tank, it shifts out from the battery tray with electrical apparatus to drive ultra-thin lithium cell, the shield plays the inside that prevents that outside dust from getting into blind hole convex built-in tank, indicate the position buckle through setting up, can be convenient shift out ultra-thin lithium cell from the battery tray with electrical apparatus, take and remove the use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an ultra-thin lithium battery proposed by the present invention;

fig. 2 is a sectional view of an ultra-thin lithium battery according to the present invention;

FIG. 3 is a schematic view of the finger buckle of the present invention;

fig. 4 is a cross-sectional view of the guard wheel of the present invention;

fig. 5 is an enlarged view of a in fig. 1 according to the present invention.

In the figure:

1. a housing; 2. a circular groove; 3. finger position buckle plates; 4. a first diaphragm plate; 5. a second diaphragm plate; 6. a positive electrode bearing layer; 7. a negative bearing layer; 8. a positive electrode material; 9. a negative electrode material; 10. a positive plate; 11. a positive tab; 12. a negative plate; 13. a negative tab; 14. a trapezoidal built-in groove; 15. an inclined convex built-in groove; 16. a slide bar; 17. a guard wheel; 18. positioning a screw rod; 19. a blind hole convex built-in groove; 20. a return spring; 21. and a dust cover.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an ultra-thin lithium cell.

Referring now to the drawings and the detailed description, as shown in fig. 1-5, an ultra-thin lithium battery according to an embodiment of the present invention includes a housing 1, a circular groove 2 is formed on an end surface of the housing 1, a finger-position buckle 3 is installed inside the circular groove 2, a positive electrode support layer 6 and a negative electrode support layer 7 are installed on two sides of the interior of the housing 1, a first diaphragm plate 4 and a second diaphragm plate 5 are installed on a side wall of the finger-position buckle 3, one end of the first diaphragm plate 4 is connected to an inner top surface of the housing 1, one end of the second diaphragm plate 5 is connected to an inner bottom surface of the housing 1, a positive electrode material 8 is installed between the positive electrode support layer 6 and the first diaphragm plate 4 and the second diaphragm plate 5, a negative electrode material 9 is installed between the negative electrode support layer 7 and the first diaphragm plate 4 and the second diaphragm plate 5, a positive electrode plate 10 is installed on an upper portion of the positive electrode material 8, and anodal ear 11 is installed on the upper portion of positive plate 10, and the inside top surface of shell 1 is run through to the one end of anodal ear 11, negative pole piece 12 is installed on the upper portion of negative pole material 9, and negative pole ear 13 is installed on the upper portion of negative pole piece 12, and the inside top surface of shell 1 is run through to the one end of negative pole ear 13, the terminal surface upper portion both sides of shell 1 are provided with trapezoidal built-in groove 14 respectively, and protection wheel 17 is all installed to the inside of two sets of trapezoidal built-in grooves 14, first diaphragm plate 4, second diaphragm plate 5, anodal bearer layer 6, negative pole bearer layer 7, anodal material 8, negative pole material 9, anodal plate 10, anodal ear 11, negative pole piece 12 and negative pole ear 13 are current structure, do not do too much here and.

In one embodiment, two sets of protection wheels 17 are installed with sliding rods 16 and positioning screws 18, the inner end faces of two sets of trapezoidal built-in grooves 14 are provided with inclined convex built-in grooves 15, one ends of two sets of sliding rods 16 are respectively located inside the two sets of inclined convex built-in grooves 15, one ends of two sets of positioning screws 18 are respectively in contact with the inner end faces of two sets of trapezoidal built-in grooves 14, when the ultra-thin lithium battery is installed inside a battery holder of a consumer, the two sets of positioning screws 18 are rotated counterclockwise, when one ends of the two sets of positioning screws 18 are respectively separated from the end faces of two sets of trapezoidal built-in grooves 14, the two sets of sliding rods 16 respectively move inside the two sets of inclined convex built-in grooves 15, the two sets of sliding rods 16 limit the moving positions of the two sets of protection wheels 17, when the side walls of the two sets of protection wheels 17 are located on the same horizontal line with one ends of the positive lugs 11, clockwise turning two sets of positioning screw 18, when two sets of positioning screw 18's one end respectively with the end face contact of two sets of trapezoidal built-in grooves 14, stop motion, when the one end of anodal ear 11 and negative pole ear 13 received outside extrusion, two sets of protection wheels 17 can support fixed ultra-thin lithium cell, prevent that the lateral wall of battery holder from colliding anodal ear 11 and negative pole ear 13, through the protection wheel 17 that sets up, when can avoiding foreign object extrusion collision ultra-thin lithium cell, anodal ear 11 and negative pole ear 13's one end contacted the rammer and damages foremost, bring the facility for ultra-thin lithium cell's protection work.

In one embodiment, the side walls of the two sets of wheels 17 are provided with anti-slip protrusions, and the two sets of anti-slip protrusions play a role of anti-slip.

In one embodiment, the end face of the finger position buckle plate 3 is provided with a blind hole convex built-in groove 19, a reset spring 20 is installed behind the inner portion of the blind hole convex built-in groove 19, a dustproof cover 21 is installed at one end of the reset spring 20, when the ultra-thin lithium battery needs to be moved out of a battery seat of an electrical appliance, one finger is used for pressing the dustproof cover 21, the reset spring 20 is in a compression state at the moment, when one end of the finger enters the inner portion of the blind hole convex built-in groove 19, one end of the finger is bent, the buckle pulls the convex position of the blind hole convex built-in groove 19 to drive the ultra-thin lithium battery to move out of the battery seat of the electrical appliance, the dustproof cover 21 plays a role of preventing external dust from entering the inner portion of the blind hole convex built-in groove 19, and the ultra-thin lithium battery can be conveniently.

In one embodiment, the cross section length of the dust cap 21 is the same as the cross section length of the protrusion of the blind hole convex built-in groove 19, so that external dust is prevented from entering the interior of the blind hole convex built-in groove 19 through the gap between the dust cap 21 and the finger position buckle plate 3 because the cross section length of the dust cap 21 is smaller than that of the protrusion of the blind hole convex built-in groove 19.

In one embodiment, the external length of positive tab 11 is the same as the external length of negative tab 13, so as to avoid the situation that the positive and negative electrodes of the ultra-thin lithium battery cannot be connected to the circuit at the same time due to different lengths.

The working principle is as follows:

when the ultrathin lithium battery is used, the ultrathin lithium battery is firstly installed in a battery holder of an electric appliance, one end of the positive lug 11 and one end of the negative lug 13 are both externally arranged in the air, the positive lug 11 and the negative lug 13 need to be protected, two groups of positioning screw rods 18 are rotated anticlockwise, when one ends of the two groups of positioning screw rods 18 are respectively separated from the end faces of the two groups of trapezoidal built-in grooves 14, two groups of protection wheels 17 are rotated, two groups of sliding rods 16 respectively move in the two groups of inclined convex built-in grooves 15, the moving positions of the two groups of protection wheels 17 are limited by the two groups of sliding rods 16, when the side walls of the two groups of protection wheels 17 and one ends of the positive lug 11 and one end of the negative lug 13 are positioned on the same horizontal line, the two groups of positioning screw rods 18 are rotated clockwise, when one ends of the two groups of positioning screw rods 18 are respectively contacted with the end faces of the two groups of, two groups of protection wheels 17 can support and fix the ultra-thin lithium battery, prevent the side wall of the battery holder from colliding the anode lug 11 and the cathode lug 13, and can avoid the situation that the ultra-thin lithium battery is collided by foreign objects due to extrusion through the arranged protection wheels 17, one end of the anode lug 11 and one end of the cathode lug 13 are firstly damaged by contacting with a striker, thereby bringing convenience for the protection work of the ultra-thin lithium battery, meanwhile, when the ultra-thin lithium battery needs to be moved out from the battery holder of an electric appliance, a finger is used for pressing the dust cap 21, the reset spring 20 is in a compression state at the moment, when one end of the finger enters the inside of the blind hole convex built-in groove 19, one end of the finger is bent, the convex position of the blind hole convex built-in groove 19 is buckled and pulled, the ultra-thin lithium battery is driven to be moved out from the battery holder of the electric appliance, the dust cap 21 plays a role of preventing external, the utility model can be used in a mobile manner.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The ultrathin lithium battery is characterized by comprising a shell (1), wherein a circular groove (2) is formed in the end face of the shell (1), a finger position buckle plate (3) is installed inside the circular groove (2), an anode bearing layer (6) and a cathode bearing layer (7) are installed on two sides inside the shell (1) respectively, a first diaphragm plate (4) and a second diaphragm plate (5) are installed on the side wall of the finger position buckle plate (3), one end of the first diaphragm plate (4) is connected with the top surface inside the shell (1), one end of the second diaphragm plate (5) is connected with the bottom surface inside the shell (1), an anode material (8) is installed between the anode bearing layer (6) and the first diaphragm plate (4) and between the anode bearing layer and the second diaphragm plate (5), and a cathode material (9) is installed between the cathode bearing layer (7) and the first diaphragm plate (4) and between the second diaphragm plate (5), positive plate (10) are installed on the upper portion of positive pole material (8), and positive tab (11) are installed on the upper portion of positive plate (10), and the inside top surface of shell (1) is run through to the one end of positive tab (11), negative pole piece (12) are installed on the upper portion of negative pole material (9), and negative pole ear (13) are installed on the upper portion of negative pole piece (12), and the inside top surface of shell (1) is run through to the one end of negative pole ear (13), the terminal surface upper portion both sides of shell (1) are provided with trapezoidal built-in groove (14) respectively, and are two sets of protection wheel (17) are all installed to the inside of trapezoidal built-in groove (14).

2. The ultra-thin lithium battery as claimed in claim 1, wherein two sets of the protection wheels (17) are respectively installed with a sliding rod (16) and a positioning screw rod (18) in a penetrating way, the inner end faces of the two sets of the trapezoidal built-in grooves (14) are respectively provided with an inclined convex built-in groove (15), one end of each set of the sliding rods (16) is respectively positioned inside the two sets of the inclined convex built-in grooves (15), and one end of each set of the positioning screw rods (18) is respectively contacted with the inner end faces of the two sets of the trapezoidal built-in grooves (14).

3. An ultra-thin lithium battery as claimed in claim 2, characterized in that the side walls of both sets of the guard wheels (17) are provided with anti-slip protrusions.

4. The ultra-thin lithium battery as claimed in claim 1, wherein the end face of the finger-position buckle plate (3) is provided with a blind hole convex built-in groove (19), a return spring (20) is installed behind the inner part of the blind hole convex built-in groove (19), and a dust cover (21) is installed at one end of the return spring (20).

5. The ultra-thin lithium battery as claimed in claim 4, wherein the dust cap (21) has a cross-sectional length equal to that of the projection of the blind-hole convex built-in groove (19).

6. The ultra-thin lithium battery of claim 1, wherein the external length of the positive tab (11) is the same as the external length of the negative tab (13).