CN216354502U

CN216354502U - Combined small lithium battery

Info

Publication number: CN216354502U
Application number: CN202122217274.4U
Authority: CN
Inventors: 罗秋生
Original assignee: Liaoning Lanke Intelligent Industrial Electrical Equipment Co ltd
Current assignee: Liaoning Lanke Intelligent Industrial Electrical Equipment Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-04-19
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to the technical field of lithium batteries, and discloses a combined small lithium battery which comprises a lithium battery shell, wherein locking holes are formed in the middles of the left side and the right side of the lithium battery shell, a lithium battery box is movably inserted into an inner cavity of the lithium battery shell, and first piston grooves are formed in the middles of the left side and the right side of the lithium battery box. When the lithium battery box is installed and disassembled from the inner side of the lithium battery shell, only two groups of piston columns are required to be matched in two groups of first piston grooves, the lithium battery box is convenient and rapid, when the service life of a battery in the lithium battery box is reached, the sealing cover of the lithium battery box can be opened, the battery in the battery groove can be taken out, and a new battery can be replaced, so that the use cost is saved, the battery can be replaced conveniently, and the second terminal connecting plate is extruded through the characteristic of the second spring when the battery is installed, so that the upper end and the lower end of a plurality of groups of batteries are firmly attached to the first terminal connecting plate and the second terminal connecting plate respectively, and the poor contact of the batteries is avoided.

Description

Combined small lithium battery

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a combined small lithium battery.

Background

At present, a lithium battery is a primary battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, with the development of microelectronic technology at the end of the twentieth century, miniaturized equipment is increasing, high requirements are put forward for power supplies, and the lithium battery enters a large-scale practical stage, wherein a plurality of batteries are fixed in a container box to form the lithium battery for an electric vehicle in a series connection mode.

But most lithium cells in market are after using a period, directly drop old and useless lithium cell, and the lithium cell of direct renewal leads to greatly increased use cost, and some equipment of installing the lithium cell receive the extrusion back simultaneously, and the inside uneven can the emergence blasting of being heated, and the security is lower, consequently, we provide a modular small-size lithium cell.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a combined small lithium battery, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a combined small lithium battery comprises a lithium battery shell, wherein lock holes are respectively formed in the middle of the left side and the right side of the lithium battery shell, a lithium battery box is movably inserted in an inner cavity of the lithium battery shell, first piston grooves are respectively formed in the middle of the left side and the right side of the lithium battery box, piston columns are movably connected in two groups of first piston grooves, the inner sides of the two groups of piston columns are respectively and fixedly connected with the inner sides of the first piston grooves which correspond to each other through first springs, the two groups of piston columns respectively correspond to the two groups of lock holes, a sealing cover is movably arranged on the front side of the lithium battery box through hinges, a first terminal connecting plate is fixedly arranged in the middle of the inner side of the sealing cover, a plurality of groups of battery grooves which are distributed at equal intervals are formed in the inner side of the lithium battery box, batteries are movably inserted in each group of battery grooves, grooves are formed in the rear sides of the plurality of battery grooves, and second terminal connecting plates are movably connected in the grooves, first terminal connecting plate and second terminal connecting plate all with the multiunit both ends are laminated each other about the battery, second terminal connecting plate downside all through the second spring that the multiunit equidistance distributes with the recess inboard is connected.

As a preferred embodiment of the present invention, the outer side of the second terminal connecting plate is provided with a plurality of sets of equidistantly distributed limiting grooves, each set of limiting grooves is movably connected with a limiting rod, and each set of limiting rods is fixedly connected with the inner side of the groove.

As a preferred embodiment of the present invention, three sets of reinforcing frames are fixedly installed inside the lithium battery shell and are distributed at equal intervals.

As a preferred embodiment of the utility model, circular grooves are formed in the middle of the four walls in each reinforcing frame, and a ball is movably connected in each circular groove.

As a preferred embodiment of the present invention, a second piston groove is formed on an outer side of each group of circular grooves, a support column is movably connected in each group of second piston grooves, and a third spring is sleeved on an outer side of each support column.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model ensures that when the lithium battery box is installed and disassembled from the inner side of the lithium battery shell, the lock hole, the lithium battery box, the first piston grooves, the piston columns and the first springs, only two groups of the piston columns are required to be matched in the two groups of the first piston grooves, the utility model is very convenient, and when the service life of the battery in the lithium battery box is reached, the seal cover of the lithium battery box can be opened, the battery in the battery groove can be taken out and replaced by a new battery through the seal cover, the first terminal connecting plate, the battery groove, the second terminal connecting plate, the limit groove, the limit rod and the second springs, thereby not only saving the use cost, but also being very convenient when the battery is replaced, and the lower side of the second terminal connecting plate is connected with the inner side of the groove through a plurality of groups of the second springs which are distributed at equal intervals, the utility model can ensure that the second terminal connecting plate is extruded through the characteristics of the second springs when the battery is installed, make the upper and lower both ends of multiunit battery firmly laminate with first terminal connecting plate and second terminal connecting plate respectively each other, avoid the contact failure of battery.

2. According to the utility model, the supporting balls are movably connected in the circular grooves formed in the middles of the four walls in the reinforcing frame, the supporting columns are movably connected in the second piston grooves formed in the outer sides of the circular grooves, when the lithium battery box is inserted in the lithium battery shell, the lithium battery box is easily inserted in the lithium battery shell through the drainage of the supporting balls in the circular grooves, and meanwhile, the supporting balls are extruded by the third springs sleeved on the outer sides of the supporting columns, so that the lithium battery box is tightly attached to the inner wall of the lithium battery shell, and the lithium battery box is prevented from being loosened in the lithium battery shell.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of a combined small lithium battery according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of a lithium battery box of a combined small lithium battery according to the present invention;

FIG. 3 is a schematic view of a ball-supporting structure of a combined small lithium battery according to the present invention;

fig. 4 is a schematic diagram of a second piston-groove structure of a combined small lithium battery according to the present invention.

In the figure: 1. a lithium battery case; 2. a lock hole; 3. a lithium battery case; 4. a first piston groove; 5. a piston post; 6. a first spring; 7. sealing the cover; 8. a first terminal connecting plate; 9. a battery case; 10. a groove; 11. a second terminal connecting plate; 12. a limiting groove; 13. a limiting rod; 14. a second spring; 15. a reinforcing frame; 16. a circular groove; 17. the ball is resisted; 18. a second piston groove; 19. supporting columns; 20. and a third spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a combined small lithium battery comprises a lithium battery shell 1, wherein locking holes 2 are respectively formed in the middles of the left side and the right side of the lithium battery shell 1, a lithium battery box 3 is movably inserted in an inner cavity of the lithium battery shell 1, first piston grooves 4 are respectively formed in the middles of the left side and the right side of the lithium battery box 3, two groups of first piston grooves 4 are respectively and movably connected with piston columns 5, the inner sides of the two groups of piston columns 5 are respectively and fixedly connected with the inner sides of the mutually corresponding first piston grooves 4 through first springs 6, the two groups of piston columns 5 are respectively and mutually corresponding to the two groups of locking holes 2, a sealing cover 7 is movably installed on the front side of the lithium battery box 3 through hinges, a first terminal connecting plate 8 is fixedly installed in the middle of the inner side of the sealing cover 7, a plurality of battery grooves 9 which are distributed at equal intervals are formed in the inner side of the lithium battery box 3, batteries are movably inserted in each group of the battery grooves 9, the rear sides of a plurality of groups of battery grooves 9 are provided with grooves 10, the grooves 10 are movably connected with second terminal connecting plates 11, the first terminal connecting plates 8 and the second terminal connecting plates 11 are attached to the upper ends and the lower ends of a plurality of groups of batteries, the lower sides of the second terminal connecting plates 11 are connected with the inner sides of the grooves 10 through a plurality of groups of second springs 14 which are distributed at equal intervals, when the lithium battery box 3 is installed and disassembled from the inner side of the lithium battery shell 1, the two groups of piston columns 5 are only required to be matched in the two groups of first piston grooves 4 through the lithium battery shell 1, the lock holes 2, the lithium battery box 3, the first piston grooves 4, the piston columns 5 and the first springs 6, the installation is very convenient, and when the service life of the batteries in the lithium battery box 3 reaches the end, can open lithium cell box 3's closing cap 7, take out the battery in the battery jar 9, the battery of renewal can, the use cost of not only practicing thrift, it is also very convenient to change the battery moreover, and all be connected with recess 10 inboard through the second spring 14 that the multiunit equidistance distributes at second terminal connecting plate 11 downside, can guarantee when the installation battery, through second spring 14's characteristic extrusion second terminal connecting plate 11, make the upper and lower both ends of multiunit battery firmly laminate each other with first terminal connecting plate 8 and second terminal connecting plate 11 respectively, avoid the contact failure of battery.

In this embodiment, the spacing groove 12 that multiunit equidistance distributes is seted up in the second terminal connecting plate 11 outside, and every group is equal swing joint has gag lever post 13 in the spacing groove 12, every group gag lever post 13 all with recess 10 inboard fixed links can carry on spacingly to second terminal connecting plate 11, guarantees that second terminal connecting plate 11 vertical direction removes.

In this embodiment, 1 inboard fixed mounting of lithium cell casing has three group's equidistance to distribute strengthen frame 15, has strengthened 1 fastness of lithium cell casing.

In this embodiment, every group all seted up circular slot 16 in the middle of the inside four walls of strengthening frame 15, every group equal swing joint has to support ball 17 in the circular slot 16, through the ball 17 that supports of 16 internal rotations of circular slot, the installation of the lithium cell box 3 of being convenient for.

In this embodiment, every group second piston groove 18, every group has been seted up in the circular slot 16 outside the equal swing joint in the second piston groove 18 has to support post 19, every group support the third spring 20 has all been cup jointed in the post 19 outside, through the drainage of the ball 17 that supports in the multiunit circular slot 16, make comparatively light grafting of lithium cell box 3 in lithium cell housing 1, the third spring 20 that all cup joints in the post 19 outside of every group simultaneously extrudees the ball 17, makes lithium cell box 3 tightly laminate at lithium cell housing 1 inner wall, avoids lithium cell box 3 not hard up in lithium cell housing 1.

When the combined small lithium battery is used, it should be noted that the utility model is the combined small lithium battery, each component is a universal standard component or a component known to those skilled in the art, and the structure and principle of the combined small lithium battery can be known to those skilled in the art through a technical manual or through a conventional experimental method.

When the lithium battery box is used, the lithium battery box 3 is installed and disassembled from the inner side of the lithium battery shell 1 through the lithium battery shell 1, the lock hole 2, the lithium battery box 3, the first piston grooves 4, the piston columns 5 and the first springs 6, only two groups of piston columns 5 are required to be matched in the two groups of first piston grooves 4, the lithium battery box is convenient and fast to use, when the service life of a battery in the lithium battery box 3 is up, the seal cover 7 of the lithium battery box 3 can be opened, the battery in the battery groove 9 can be taken out, a new battery can be replaced, the use cost is saved, the battery can be replaced conveniently, the lower side of the second terminal connecting plate 11 is connected with the inner side of the groove 10 through a plurality of groups of second springs 14 which are distributed at equal intervals, and the battery can be installed, through second spring 14's characteristic extrusion second terminal connecting plate 11, make about the multiunit battery both ends firmly laminate each other with first terminal connecting plate 8 and second terminal connecting plate 11 respectively, avoid the contact failure of battery, equal swing joint has to support ball 17 in the circular slot 16 that all sets up in the middle of strengthening frame 15 inside four walls simultaneously, and the equal swing joint in the second piston groove 18 that sets up in every group circular slot 16 outside has to support post 19, when lithium cell box 3 pegs graft in lithium cell housing 1, through the drainage of supporting ball 17 in the multiunit circular slot 16, make the comparatively light grafting of lithium cell box 3 in lithium cell housing 1, third spring 20 that all cup joints in every group support post 19 outside simultaneously extrudees supporting ball 17, make lithium cell box 3 tightly laminate at lithium cell housing 1 inner wall, avoid lithium cell box 3 not hard up in lithium cell housing 1.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A combined small lithium battery comprises a lithium battery shell (1), and is characterized in that: the middle of the left side and the right side of the lithium battery shell (1) is provided with a lock hole (2), the inner cavity of the lithium battery shell (1) is movably inserted with a lithium battery box (3), the middle of the left side and the right side of the lithium battery box (3) is provided with a first piston groove (4), two groups of first piston grooves (4) are internally and movably connected with piston columns (5), the inner sides of the two groups of piston columns (5) are respectively and fixedly connected with the inner sides of the corresponding first piston grooves (4) through first springs (6), the two groups of piston columns (5) are respectively and mutually corresponding to the two groups of lock holes (2), the front side of the lithium battery box (3) is movably provided with a seal cover (7) through hinges, the middle of the inner side of the seal cover (7) is fixedly provided with a first terminal connecting plate (8), the inner side of the lithium battery box (3) is provided with a plurality of battery grooves (9) distributed at equal intervals, every group all activity is pegged graft in battery jar (9) and is had the battery, the multiunit battery jar (9) rear side is opened and is equipped with recess (10), swing joint has second terminal connecting plate (11) in recess (10), first terminal connecting plate (8) and second terminal connecting plate (11) all with the multiunit both ends are laminated each other about the battery, second terminal connecting plate (11) downside all through second spring (14) that the multiunit equidistance distributes with recess (10) inboard is connected.

2. A modular small lithium battery as claimed in claim 1, characterized in that: the limiting groove (12) that multiunit equidistance distributed is seted up in second terminal connecting plate (11) outside, and every group is equal swing joint has gag lever post (13) in limiting groove (12), every group gag lever post (13) all with recess (10) inboard fixed connection.

3. A modular small lithium battery as claimed in claim 1, characterized in that: the inner side of the lithium battery shell (1) is fixedly provided with three groups of reinforcing frames (15) distributed at equal intervals.

4. A modular small lithium battery as claimed in claim 3, characterized in that: circular grooves (16) are formed in the middle of four walls inside each reinforcing frame (15), and each circular groove (16) is internally and movably connected with a supporting ball (17).

5. A combined small lithium battery as claimed in claim 4, characterized in that: and a second piston groove (18) is formed in the outer side of each group of circular grooves (16), a support column (19) is movably connected in each group of second piston grooves (18), and a third spring (20) is sleeved on the outer side of each support column (19).