CN212366131U

CN212366131U - Miniature lithium battery

Info

Publication number: CN212366131U
Application number: CN202021348439.0U
Authority: CN
Inventors: 覃小梅; 管耀新; 丁文杰; 夏富强; 赖文龙
Original assignee: Meizhou Bofuneng Technology Co ltd
Current assignee: Meizhou Bofuneng Technology Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-01-15
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a micro lithium battery, which comprises an upper shell, a lower shell and an inner top ring; an upper shell body: an anode plate is movably inserted in the anode plate, an upper insertion ring is movably inserted in the upper side of the anode plate, an anode electric connecting disc is fixed on the upper side of the upper insertion ring, the upper end of the anode electric connecting disc movably penetrates through the upper end of the upper shell, and the outer side surface of the anode electric connecting disc is abutted against the inner side of the upper end of the upper shell; a lower housing: the inside activity alternates there is the negative plate, and its inside downside is fixed with down and inserts the circle, insert the circle activity and alternate in the downside of negative plate down, the downside of negative plate is fixed with the negative pole and connects the electroplax, the right half side of casing and the right half side of last casing all are fixed with the welded plate down. The miniature lithium battery can be conveniently detached and installed, the sealing performance of the interior of the miniature lithium battery is guaranteed after the miniature lithium battery is installed, and when the lithium battery reaches the service life and needs to be recycled, the miniature lithium battery is convenient to detach and recycle internal parts, and the recycling efficiency is improved.

Description

Miniature lithium battery

Technical Field

The utility model relates to a lithium cell technical field specifically is a microminiature lithium cell.

Background

The lithium battery is also a lithium metal battery, generally a battery using manganese dioxide as a positive electrode material, metal lithium or its alloy metal as a negative electrode material, and a non-aqueous electrolyte solution, because the capacity of the lithium battery is large and the charging and discharging are smooth, the lithium battery is widely applied to various electrical appliances, the current miniature lithium battery is inconvenient to recycle after use, and because the internal parts are inconvenient to disassemble during recycling, the recycling efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a microminiature lithium cell, but at first convenient to detach and installation guarantee inside leakproofness after the installation, and when the lithium cell reached life and need retrieve, convenient to detach and retrieve internals improved recovery efficiency, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a miniature lithium battery comprises an upper shell, a lower shell and an inner top ring;

an upper shell body: an anode plate is movably inserted in the anode plate, an upper insertion ring is movably inserted in the upper side of the anode plate, an anode electric connecting disc is fixed on the upper side of the upper insertion ring, the upper end of the anode electric connecting disc movably penetrates through the upper end of the upper shell, and the outer side surface of the anode electric connecting disc is abutted against the inner side of the upper end of the upper shell;

a lower housing: the inner part of the negative plate is movably inserted with the lower insertion ring, the lower insertion ring is movably inserted into the lower side of the negative plate, the lower side of the negative plate is fixedly provided with a cathode connecting plate, the right half side surface of the lower shell and the right half side surface of the upper shell are both fixedly provided with welding plates, and the two welding plates are mutually fixed through welding;

an inner top ring: the upper end of the upper shell movably penetrates through the lower side of the anode plate, the lower end of the upper shell movably penetrates through the upper side of the cathode plate, a diaphragm is fixed on the inner side of the upper shell, an intermediate ring is fixed on the outer side of the upper shell, the intermediate ring movably penetrates between the upper shell and the lower shell, electrolyte is filled between the anode plate, the cathode plate and the inner top ring, the electrolyte can be sealed through the anode plate, the cathode plate and the inner top ring, the upper shell and the lower shell can be fixed together through welding of two welding plates, the inner top ring is pulled out when the upper shell and the lower shell are separated, the anode plate can fall out of the upper shell, the anode connecting disc and the anode plate can be separated, and the cathode plate.

Furthermore, the battery also comprises an inner cracking hole, the circular array is arranged on the side face of the upper end of the anode electric connecting disc, and the anode electric connecting disc can be sunken and deformed when the internal pressure of the battery is increased through the inner cracking hole, so that the anode plate can be conveniently moved upwards, and the pressure relief is convenient.

Further, still including playing the board groove, set up between the right-hand member of two welding boards, can conveniently perk two welding boards of separation through playing the board groove, and then make things convenient for the dismantlement of this battery.

Furthermore, still including assembling the anticreep circle, have two and fix respectively in the upper and lower side of intermediary circle, two one ends that assemble the anticreep circle and keep away from each other move about respectively and pass the downside of epitheca and the upside of inferior valve body, further avoid epitheca and inferior valve body dislocation each other through assembling the anticreep circle.

Furthermore, the sealing device also comprises a sealing rod which movably penetrates through the plate lifting groove, the intermediate ring and the inner top ring, electrolyte can be conveniently poured by pulling out the sealing rod, and the electrolyte can be sealed by inserting the sealing rod.

Compared with the prior art, the beneficial effects of the utility model are that: the miniature lithium battery has the following advantages:

1. but through anode plate, negative plate and interior top circle sealing electrolyte, can be with last casing and lower casing fixed through two welded plate weldings together to when casing and lower casing are gone up in the part, extract interior top circle, can make the anode plate fall out the casing, the positive pole connects the electric dish and the separation of anode plate, negative plate break away from the casing down, it is convenient to dismantle.

2. Through the internal pressure of this battery and can make the positive pole connect the electrical disk sunken deformation when increasing through the internal crack hole, and then can make things convenient for shifting up of anode plate to this makes things convenient for the pressure release, can make things convenient for two welded plates of perk separation through playing the board groove, and then makes things convenient for the dismantlement of this battery, further avoids upper casing and lower casing dislocation each other through folding the anticreep circle, extracts the sealing rod and can conveniently pour into electrolyte, inserts the sealing rod and can seal electrolyte.

3. The miniature lithium battery can be conveniently detached and installed, the sealing performance of the interior of the miniature lithium battery is guaranteed after the miniature lithium battery is installed, and when the lithium battery reaches the service life and needs to be recycled, the miniature lithium battery is convenient to detach and recycle internal parts, and the recycling efficiency is improved.

Drawings

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

FIG. 2 is a right side view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of the present invention;

fig. 4 is a schematic view of a part B of the present invention.

In the figure: 1 anode electric connecting disc, 2 inner cracking holes, 3 upper shell, 4 lower shell, 5 welding plate, 6 plate lifting groove, 7 anode plate, 8 upper inserting ring, 9 inner top ring, 10 folding anti-dropping ring, 11 lower inserting ring, 12 electrolyte, 13 diaphragm, 14 cathode plate, 15 cathode electric connecting plate, 16 middle ring and 17 sealing rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a miniature lithium battery comprises an upper shell 3, a lower shell 4 and an inner top ring 9;

the upper housing 3: an anode plate 7 is movably inserted in the inner part of the battery, an upper insertion ring 8 is movably inserted in the upper side of the anode plate 7, an anode electric connecting disc 1 is fixed on the upper side of the upper insertion ring 8, the upper end of the anode electric connecting disc 1 movably penetrates through the upper end of the upper shell 3, the outer side surface of the anode electric connecting disc 1 abuts against the inner side of the upper end of the upper shell 3, the battery also comprises inner split holes 2, the inner split holes 2 are distributed on the side surface of the upper end of the anode electric connecting disc 1 in a circular array mode, the anode electric connecting disc 1 can be sunken and deformed when the internal pressure of the battery is increased, the anode plate 7 can be conveniently moved upwards, and;

the lower shell 4: the inner part of the battery is movably inserted with a cathode plate 14, a lower insertion ring 11 is fixed on the lower side of the inner part of the battery, the lower insertion ring 11 is movably inserted in the lower side of the cathode plate 14, a cathode electric plate 15 is fixed on the lower side of the cathode plate 14, welding plates 5 are fixed on the right side surface of the lower shell 4 and the right side surface of the upper shell 3, the two welding plates 5 are fixed with each other by welding, the battery also comprises a plate lifting groove 6 which is arranged between the right ends of the two welding plates 5, the two welding plates 5 can be conveniently tilted and separated by the plate lifting groove 6, the battery is further convenient to disassemble, the battery also comprises a sealing rod 17, the sealing rod 17 can movably penetrate through the plate lifting groove 6, an intermediate ring 16 and an inner top ring 9, the electrolyte 12 can be conveniently poured by pulling out the sealing rod 17, and;

inner top ring 9: the upper end of the upper shell 3 is movably inserted between the lower shell 4 and the upper shell, the lower end of the upper shell is movably inserted between the lower side of the anode plate 7, the lower end of the lower shell is movably inserted between the upper side of the cathode plate 14, the inner side of the lower shell is fixed with a diaphragm 13, the outer side of the diaphragm is fixed with an intermediate ring 16, the intermediate ring 16 is movably inserted between the upper shell 3 and the lower shell 4, electrolyte 12 is filled between the anode plate 7, the cathode plate 14 and the inner top ring 9, the electrolyte 12 can be sealed by the anode plate 7, the cathode plate 14 and the inner top ring 9, the upper shell 3 and the lower shell 4 can be fixed by welding two welding plates 5 together, the inner top ring 9 is pulled out when the upper shell 3 and the lower shell 4 are separated, the anode plate 7 can fall out of the upper shell 3, the anode connecting disc 1 and the anode plate 7 can be separated, the cathode plate 14 is separated from, the ends of the two folded anti-slip rings 10 which are far away from each other respectively movably penetrate through the lower side of the upper shell 3 and the upper side of the lower shell 4, and the upper shell 3 and the lower shell 4 are further prevented from being mutually dislocated through the folded anti-slip rings 10.

When in use: when the battery is installed, the inner top ring 9 is abutted against the anode plate 7 and the cathode plate 14, then the upper shell 3 and the lower shell 4 are closed, at the moment, the inner top ring 9 is tightly clamped by the anode plate 7 and the cathode plate 14, the anode electric connection disc 1 is abutted against the upper shell 3, the upper insertion ring 8 ensures that the anode plate 7 is fixedly connected with the anode electric connection disc 1, the cathode plate 14 is abutted against the lower shell 4, the lower insertion ring 11 ensures that the cathode plate 14 is fixedly connected with the lower shell 4, the sealing rod 17 is pulled out, the electrolyte 12 is filled, the sealing rod 17 is inserted again, and then the two welding plates 5 are welded, so that the installation of the battery; when this battery is dismantled to needs, through playing 6 perk separations of board groove with two welded plates 5, casing 3 is gone up to the pull-up, can be with last casing 3, lower casing 4 and the separation of interior top circle 9, when the inside internal pressure increase of this battery, anode plate 7 moves up, anode plate 7 upwards promotes and inserts circle 8, it upwards promotes positive pole electricity connection disc 1 to insert circle 8, interior fracture hole 2 splits, positive pole electricity connection disc 1 is sunken downwards this moment, can make things convenient for anode plate 7 to move up, with this internal pressure in dismantling this battery.

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. A miniature lithium battery is characterized in that: comprises an upper shell (3), a lower shell (4) and an inner top ring (9);

upper case (3): an anode plate (7) is movably inserted in the inner part of the shell, an upper inserting ring (8) is movably inserted in the upper side of the anode plate (7), an anode electric connection disc (1) is fixed on the upper side of the upper inserting ring (8), the upper end of the anode electric connection disc (1) movably penetrates through the upper end of the upper shell (3), and the outer side surface of the anode electric connection disc (1) abuts against the inner side of the upper end of the upper shell (3);

a lower case (4): the cathode plate (14) is movably inserted inside the shell, a lower inserting ring (11) is fixed on the lower side of the inner side of the shell, the lower inserting ring (11) is movably inserted inside the lower side of the cathode plate (14), a cathode connecting plate (15) is fixed on the lower side of the cathode plate (14), welding plates (5) are fixed on the right half side face of the lower shell (4) and the right half side face of the upper shell (3), and the two welding plates (5) are fixed with each other through welding;

inner top ring (9): the upper end of the upper shell movably penetrates through the lower side of the anode plate (7), the lower end of the upper shell movably penetrates through the upper side of the cathode plate (14), a diaphragm (13) is fixed on the inner side of the upper shell, an intermediate ring (16) is fixed on the outer side of the upper shell, the intermediate ring (16) movably penetrates between the upper shell (3) and the lower shell (4), and electrolyte (12) is filled between the anode plate (7), the cathode plate (14) and the inner top ring (9).

2. A miniature lithium battery as claimed in claim 1, wherein: the anode electric connection plate is characterized by further comprising inner split holes (2) which are arranged on the side face of the upper end of the anode electric connection plate (1) in a circular array mode.

3. A miniature lithium battery as claimed in claim 1, wherein: the welding device also comprises a plate lifting groove (6) which is arranged between the right ends of the two welding plates (5).

4. A miniature lithium battery as claimed in claim 1, wherein: the folding anti-release ring is characterized by further comprising two folding anti-release rings (10) which are respectively fixed on the upper side and the lower side of the middle ring (16), and one ends, far away from each other, of the two folding anti-release rings (10) respectively movably penetrate through the lower side of the upper shell (3) and the upper side of the lower shell (4).

5. A miniature lithium battery as claimed in claim 3, wherein: also comprises a sealing rod (17) which movably passes through the plate lifting groove (6), the intermediate ring (16) and the inner top ring (9).