CN210866318U

CN210866318U - Foldable small lithium battery

Info

Publication number: CN210866318U
Application number: CN201922329441.7U
Authority: CN
Inventors: 汤大明
Original assignee: Dongguan Sunly Battery Technology Co ltd
Current assignee: Dongguan Sunly Battery Technology Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-06-26
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a foldable small lithium battery, which comprises a first battery block, wherein a first protective frame is clamped at the periphery of the first battery block, a first mounting groove is symmetrically arranged in the middle of one side of the first protective frame, two ends of the inner wall of the first mounting groove are both provided with a second mounting groove, a rotating head is rotatably connected between the second mounting grooves, and a second battery block is arranged in the middle of the second protective frame, the foldable small lithium battery realizes the relative rotation between the first battery block and the second battery block by arranging the rotating head between the first protective frame and the second protective frame, one end of the rotating head is rotatably connected with the second mounting grooves at two ends of the first mounting groove by rivets, the integral folding of the lithium battery is realized when a limiting clamping column is clamped into a limiting clamping groove, the foldable small lithium battery is suitable for a square battery mounting cavity, and the first protective frame and the second protective frame are overturned by a blind handle, the battery unfolding is realized, and the battery unfolding device is suitable for a flat rectangular battery installation cavity.

Description

Foldable small lithium battery

Technical Field

The utility model relates to a lithium cell, in particular to folding small-size lithium cell belongs to battery equipment technical field.

Background

The lithium battery is a primary battery using lithium metal or lithium alloy as a negative electrode material and using a non-aqueous electrolyte solution, unlike a lithium ion battery, which is a rechargeable battery, and a lithium ion polymer battery. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of microelectronic technology at the end of the twentieth century, miniaturized devices are increasing day by day, high requirements are put on power supplies, and lithium batteries enter a large-scale practical stage.

When the existing lithium battery is used, the shape of the existing lithium battery cannot be changed correspondingly, in some special installation equipment, such as the appearance of a folding smart phone, a larger battery is needed in order to ensure that the mobile phone has enough cruising ability, but the existing battery is usually a whole and can only be installed in a folding plate, part of battery installation cavities are in a square shape or a flat rectangular shape, and the traditional lithium battery cannot be suitable for installation and fixation of different battery cavities. We have therefore improved this and have proposed a small lithium battery that can be folded.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a folding small-size lithium cell, traditional lithium cell that proposes in solving above-mentioned background art is when using, corresponding change can not take place for its shape, in some special erection equipment, for example folding smart mobile phone's appearance, there is sufficient duration in order to guarantee the cell-phone, just need great battery, but current battery often is a whole, can only install in a folded sheet, some battery installation cavity is the cuboid form of square form or flat, the lithium cell can't be applicable to the fixed problem of different battery chamber installations.

In order to achieve the above object, the utility model provides a following technical scheme: a foldable small lithium battery comprises a first battery block, a first protective frame is clamped at the periphery of the first battery block, a first mounting groove is symmetrically arranged in the middle of one side of the first protection frame, second mounting grooves are arranged at two ends of the inner wall of the first mounting groove, a rotating head is rotatably connected between the second mounting grooves, one end of the rotating head is fixed with the second protective frame, a second battery block is arranged in the middle of the second protective frame, second insulating plates are symmetrically arranged on two sides of the second battery block, the two ends of one side of the second insulating plate are symmetrically fixed with limiting clamp column heads, the two sides of the first battery block are symmetrically provided with first insulating plates, two ends of one side of the first insulating plate are symmetrically provided with limiting clamping grooves corresponding to the limiting clamping column heads, the middle of the rotating head is provided with a threading groove, and a positive lug and a negative lug which are electrically connected with the first battery block are fixed at one end of the first protection frame.

As an optimal technical scheme of the utility model, install the wire with first battery piece and second battery piece electric connection in the middle of the threading groove.

As a preferred technical scheme of the utility model, the slash mouth that corresponds with the rotating head is seted up to a first insulation board avris and a first protection frame avris symmetry.

As an optimized technical scheme of the utility model, the dark handle has all been seted up in the middle of the first protective frame outside and in the middle of the second protective frame outside.

As an optimized technical scheme of the utility model, link to each other through the rivet between rotating head one end both sides and the second mounting groove.

As an optimized technical scheme of the utility model, second protection frame and rotating head are integrated into one piece structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a folding small-size lithium cell, it is adjustable to have the shape, is applicable to square or flat form battery installation space's advantage, in concrete use, compare with traditional lithium cell, the utility model discloses a set up the rotating head between first protective frame and second protective frame, rotating head one end utilizes the second mounting groove rotation at rivet and first mounting groove both ends to be connected, thereby realize the relative rotation between first battery piece and the second battery piece, realize the holistic folding of lithium cell when spacing calorie of column head card to spacing draw-in groove in time, be applicable to the battery installation cavity of square form, by first protective frame of blind handle department upset and second protective frame, realize the expansion of battery, be applicable to the battery installation cavity of flat cuboid form, adjust in a flexible way, control simply.

Drawings

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

fig. 2 is a schematic view of a connection structure between a rotary head and a first mounting groove of the present invention;

in the figure: 1. a positive tab; 2. a negative tab; 3. a limiting clamping groove; 4. a first protection frame; 5. a first insulating plate; 6. a first battery block; 7. a beveled slot opening; 8. a first mounting groove; 9. rotating the head; 10. a second battery block; 11. a limiting clamp column head; 12. a hidden handle; 13. a second protective frame; 14. a second insulating plate; 15. a threading slot; 16. a wire; 17. a second mounting groove; 18. and (4) riveting.

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. 1-2, the present invention provides a foldable small lithium battery, including a first battery block 6, a first protective frame 4 is fastened to the periphery of the first battery block 6, a first mounting groove 8 is symmetrically formed in the middle of one side of the first protective frame 4, second mounting grooves 17 are formed in both ends of the inner wall of the first mounting groove 8, a rotating head 9 is rotatably connected between the second mounting grooves 17, one end of the rotating head 9 is fixed to a second protective frame 13, a second battery block 10 is mounted in the middle of the second protective frame 13, second insulating plates 14 are symmetrically arranged on both sides of the second battery block 10, a limit clamp column head 11 is symmetrically fixed to both ends of one side of each second insulating plate 14, first insulating plates 5 are symmetrically arranged on both sides of the first insulating plate 5, limit clamp grooves 3 corresponding to the limit clamp column head 11 are symmetrically formed in both ends of one side of the first insulating plate 5, a threading groove 15 is formed in the middle of the rotating head 9, and a positive tab 1 and a negative tab 2 which are electrically connected with the first battery block 6 are fixed at one end of the first protection frame 4.

Preferably, a lead 16 electrically connected to the first battery block 6 and the second battery block 10 is installed in the middle of the threading groove 15, so that the first battery block 6 and the second battery block 10 are connected in series.

Preferably, an inclined notch 7 corresponding to the rotating head 9 is symmetrically formed on one side of the first insulating plate 5 and one side of the first protection frame 4, so that when the first battery block 6 and the second battery block 10 are folded, the side of the first protection frame 4 does not block the rotating head 9.

Preferably, the middle of the outer side of the first protection frame 4 and the middle of the outer side of the second protection frame 13 are both provided with a hidden handle 12, so that the first battery block 6 and the second battery block 10 which are folded together can be conveniently turned and unfolded.

Preferably, both sides of one end of the rotating head 9 are connected with the second mounting groove 17 through rivets 18, so as to facilitate the relative rotation between the first battery block 6 and the second battery block 10.

Preferably, the second protective frame 13 and the rotary head 9 are of an integrally formed structure, so that the assembly is convenient.

When specifically using, the utility model relates to a folding small-size lithium cell, it is adjustable to have the shape, be applicable to square or flat form battery installation space's advantage, through set up rotating head 9 between first protective frame 4 and second

protective frame

13, 9 one ends of rotating head utilize rivet 18 to rotate with the second mounting groove 17 at 8 both ends of first mounting groove to be connected, thereby realize the relative rotation between first battery piece 6 and the second battery piece 10, realize the holistic folding of lithium cell when spacing card column cap 11 blocks to spacing draw-in groove 3 in, be applicable to the battery installation cavity of square form, by blind handle 12 department upset first protective frame 4 and second protective frame 13, realize the expansion of battery, be applicable to the battery installation cavity of flat rectangular form, adjust in a flexible way, control simply, excellent in use effect, be worth extensively promoting.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; 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.

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. The foldable small lithium battery comprises a first battery block (6) and is characterized in that a first protective frame (4) is clamped on the periphery of the first battery block (6), a first mounting groove (8) is symmetrically formed in the middle of one side of the first protective frame (4), second mounting grooves (17) are formed in the two ends of the inner wall of the first mounting groove (8), a rotating head (9) is rotatably connected between the second mounting grooves (17), one end of the rotating head (9) is fixed with a second protective frame (13), a second battery block (10) is mounted in the middle of the second protective frame (13), second insulating plates (14) are symmetrically arranged on the two sides of the second battery block (10), limiting clamp column heads (11) are symmetrically fixed at the two ends of one side of each second insulating plate (14), first insulating plates (5) are symmetrically arranged on the two sides of the first battery block (6), spacing draw-in groove (3) that correspond with spacing card column cap (11) are seted up to first insulation board (5) one side both ends symmetry, threading groove (15) have been seted up in the middle of rotating head (9), first protection frame (4) one end is fixed with anodal ear (1) and negative pole ear (2) with first battery piece (6) electric connection.

2. A foldable lithium mini-battery as claimed in claim 1, wherein: and a lead (16) electrically connected with the first battery block (6) and the second battery block (10) is arranged in the middle of the threading groove (15).

3. A foldable lithium mini-battery as claimed in claim 1, wherein: an inclined notch (7) corresponding to the rotating head (9) is symmetrically formed in one side of the first insulating plate (5) and one side of the first protective frame (4).

4. A foldable lithium mini-battery as claimed in claim 1, wherein: hidden handles (12) are respectively arranged in the middle of the outer side of the first protective frame (4) and the middle of the outer side of the second protective frame (13).

5. A foldable lithium mini-battery as claimed in claim 1, wherein: two sides of one end of the rotating head (9) are connected with the second mounting groove (17) through rivets (18).

6. A foldable lithium mini-battery as claimed in claim 1, wherein: the second protective frame (13) and the rotating head (9) are of an integrally formed structure.