CN218548588U

CN218548588U - Column type battery

Info

Publication number: CN218548588U
Application number: CN202223096352.0U
Authority: CN
Inventors: 廖栋梁; 廖栋霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-02-28
Anticipated expiration: 2032-11-22

Abstract

The utility model provides a column type battery, which comprises a main body component, wherein the main body component comprises a shell, positive and negative pole pieces and a diaphragm; the top of the shell is fixedly connected with an anode, and the top of the shell is fixedly connected with a cathode; the outer side wall of the shell is fixedly connected with a protection assembly, and the protection assembly comprises an insulating protection sleeve, a first through groove and a second through groove; the utility model discloses the main structure that designs positive negative pole is convenient to be connected with the external electricity, through increased insulating lag on cylinder battery case, can fix the utmost point of battery, effectively prevents the utmost point of battery fracture at the in-process that uses, prolongs the life of battery, and under the damaged condition of casing, insulating lag can prevent that inside electrolyte and the heavy metal of battery from revealing, avoids electrolyte and heavy metal to cause the influence to the human body.

Description

Column type battery

Technical Field

The utility model relates to a battery technology field, in particular to column type battery.

Background

With the development of electronic products and new energy automobiles, new electronic products have made higher demands on the performance of batteries. The strip-shaped square battery is easy to deform under the action of external force, and the column shape has better performance of bearing the external force without deformation. The traditional steel-shell cylindrical battery has the defects of easy explosion, no water resistance and low mass energy density, and is gradually replaced by a polymer battery with good safety and high energy density in partial consumer electronic products at present. The conventional polymer battery is generally made into a square battery, but with the rise of new electronic products, such as a shaver, a point reading pen, a page turning pen, an electric toothbrush, an atomizer and a wireless earphone, the polymer battery in these application scenes is beginning to be changed from a square battery to a cylindrical battery.

The existing polymer cylindrical battery is easy to cause the condition of port damage in the using process, so that toxic organic matters, corrosive strong acid and heavy metal are atomized and enter a human body to cause damage to the human body, meanwhile, the electrode bending frequency of the battery is limited, the battery is bent for many times under the condition of no protection and is easy to break, and the battery is damaged and cannot be used, so that the cylindrical battery is provided.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a pillar type battery to solve or alleviate the technical problems in the prior art, and to provide at least one useful choice.

The embodiment of the utility model provides a technical scheme is so realized: a cylindrical battery comprising a body assembly including a case, a positive electrode, and a negative electrode;

the top of the shell is fixedly connected with an anode, one end of the anode penetrates through the top of the inner side wall of the shell, the top of the shell is fixedly connected with a cathode, and one end of the cathode penetrates through the top of the inner side wall of the shell;

the outer side wall of the shell is fixedly connected with a protection assembly, and the protection assembly comprises an insulating protective sleeve, a first through groove and a second through groove;

the casing is connected in the inside wall of insulating lag, first logical groove and second logical groove have been seted up to the upper surface of insulating lag.

Further preferred is: the positive pole is fixedly connected with the inner side wall of the first through groove.

Further preferred is: the negative pole is fixedly connected with the inner side wall of the second through groove.

Further preferably: the negative electrode is in the shape of a cylinder and/or a cube.

Further preferably: the positive electrode is in the shape of a cylinder and/or a cube.

Further preferred is: the negative electrode is convex, concave or parallel relative to the insulating protective sleeve.

Further preferably: the positive electrode is convex, concave or parallel relative to the insulating protective sleeve.

Further preferred is: and the negative electrode is used for externally connecting a conductive ring or a conductive ring.

Further preferably: and the positive electrode is used for externally connecting a conductive ring or a conductive ring.

Further preferred is: the negative electrode and the positive electrode are located at the same end.

Further preferred is: the negative electrode and the positive electrode are distributed in a left-right structure or an inner-outer structure.

Further preferably: insulating lag is provided with pcb circuit board or miaow head, pcb circuit board or miaow head are connected with positive pole, negative pole.

Further preferred is: the outer side of the insulating protective sleeve is provided with a mark, and the mark is used for distinguishing a positive electrode and a negative electrode.

Further preferred is: the insulating protective sleeve is an oval, cylindrical or polygonal cylinder.

The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage:

1. the utility model discloses an increased insulating lag on cylindrical battery shell, can fix the utmost point of battery, effectively prevent the utmost point of battery at the in-process breaking occur that uses, prolong the life of battery.

2. The utility model discloses under the damaged condition of casing, insulating lag can prevent that inside electrolyte and the heavy metal of battery from revealing, avoids electrolyte and heavy metal to cause the influence to the human body, and insulating lag seals whole battery inside it simultaneously, can prevent outside air and moisture to enter into the battery, makes the battery have better security performance.

Thirdly, the utility model discloses a cylindricality battery of encapsulation preparation owing to do not have steel or aluminium system shell, what adopt is the outer encapsulation and the insulating layer that have the elastic material preparation, can solve the box-hat battery because explosion-proof valve damages the battery explosion when the short circuit.

Four, the utility model discloses the battery of preparation increases energy density, adopts deformable material to effectively solve the column battery of box hat as outer encapsulation and insulating layer and need reserve the volume change that 10% volume was used for overcoming the battery charge-discharge in-process.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and the following detailed description.

Drawings

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

Fig. 1 is a cross-sectional structural view of the insulating protective cover of the present invention;

fig. 2 is a structural diagram of the insulating protective sleeve in which the same end of the positive electrode and the negative electrode is parallel to the structure of the insulating protective sleeve in the first embodiment of the present invention;

fig. 3 is a structural diagram of the second embodiment of the present invention, in which the same end of the positive electrode and the negative electrode protrudes from the insulating protective sleeve;

fig. 4 is a structural diagram of the structure that the same end of the positive electrode and the negative electrode is recessed in the insulating protective sleeve in the third embodiment of the present invention;

FIG. 5 is a structural diagram of the four negative and positive electrodes in the inner and outer distribution in the embodiment of the present invention;

FIG. 6 is a sectional view of the inside of the present invention;

fig. 7 is a first structural view of the first embodiment of the present invention, in which the positive electrode and the negative electrode are parallel to the insulating sheath at two ends;

fig. 8 is a structural diagram of a second structure in which the positive electrode and the negative electrode are parallel to the insulating protective sleeve at two ends in the first embodiment of the present invention;

fig. 9 is a partial cross-sectional structural view of the insulating protective sleeve and the first through groove of the present invention;

fig. 10 is a structural view of the insulating protective cover and the second through groove of the present invention.

Reference numerals: 10. a body assembly; 15. a housing; 16. a positive electrode; 17. a negative electrode; 20. a guard assembly; 21. an insulating protective sleeve; 22. a first through groove; 23. a second through slot.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1-10, an embodiment of the present invention provides a cylindrical battery, which includes a main body assembly 10, where the main body assembly 10 includes a casing 15, a positive electrode 16 and a negative electrode 17;

the top of the shell 15 is fixedly connected with an anode 16, one end of the anode 16 penetrates through the top of the inner side wall of the shell 15, the top of the shell 15 is fixedly connected with a cathode 17, and one end of the cathode 17 penetrates through the top of the inner side wall of the shell 15;

the outer side wall of the shell 15 is fixedly connected with a protection component 20, and the protection component 20 comprises an insulating protection sleeve 21, a first through groove 22 and a second through groove 23;

the shell 15 is connected to the inner side wall of the insulating protective sleeve 21, and a first through groove 22 and a second through groove 23 are formed in the upper surface of the insulating protective sleeve 21.

As shown in fig. 9, in this embodiment, specifically: the positive electrode 16 is fixedly connected with the inner side wall of the first through groove 22.

As shown in fig. 10, in this embodiment, specifically: the negative electrode 17 is fixedly connected with the inner side wall of the second through groove 23.

As shown in fig. 6 to 10, in this embodiment, specifically: the negative electrode 17 is cubic in shape.

As shown in fig. 6 to 10, in this embodiment, specifically: the positive electrode 16 is cubic in shape.

As shown in fig. 2 and 7, in this embodiment, specifically: the negative electrode 17 is parallel with respect to the insulating sheath 21.

As shown in fig. 2 and 7, in this embodiment, specifically: the positive electrode 16 is parallel to the insulating sheath 21, and the surfaces of the positive electrode 16 and the negative electrode 17 are parallel to the surface of the insulating sheath 21.

In this embodiment, specifically: a cathode 17 for externally connecting a conductive ring or ring.

In this embodiment, specifically: a positive electrode 16 for externally connecting a conductive ring or ring.

In this embodiment, specifically: the cathode 17 and the anode 16 are located at the same end _， One pole is guided to the direction of the other pole through a lead wire, so that the positive pole and the negative pole are positioned on the same side.

In this embodiment, specifically: the negative electrode 17 and the positive electrode 16 are distributed in a left-right structure.

In this embodiment, specifically: insulating lag 21 is provided with PCB circuit board or miaow head, and PCB circuit board or miaow head are connected with positive pole, negative pole, and known public authorization utility model (CN 201621017331.7) is chooseed for use to PCB circuit board or miaow head and is lighted cigarette module and applied the electron cigarette of this module voluntarily for the electron cigarette, the PCB board subassembly and the miaow head that provide (do not describe repeatedly).

In this embodiment, specifically: the outer side of the insulating protective sleeve 21 is provided with a mark used for distinguishing a positive electrode and a negative electrode.

In this embodiment, specifically: the insulating protective sleeve 21 is an oval, cylindrical or polygonal cylinder; the polygonal column is a common lithium battery of an electronic cigarette (not described).

As shown in fig. 2, 7 and 8, the thickness of the insulating sheath 21 may be designed according to the protruding length of the positive electrode 16 and the negative electrode 17 during the production process, so that the surfaces of the positive electrode 16 and the negative electrode 17 are flush with the surface of the insulating sheath 21.

Example two:

in this embodiment, specifically: the negative electrode 17 is raised relative to the insulating sheath 21.

In this embodiment, specifically: the positive electrode 16 is raised relative to the insulating sheath 21, and the surfaces of the positive electrode 16 and the negative electrode 17 are raised relative to the surface of the insulating sheath 21.

As shown in fig. 3 and 9, the thickness of the insulating sheath 21 may be designed according to the protruding length of the positive electrode 16 and the negative electrode 17 during the production process, so that the positive electrode 16 and the negative electrode 17 protrude relative to the surface of the insulating sheath 21.

Example three:

in this embodiment, specifically: the negative electrode 17 is recessed relative to the insulating sheath 21.

In this embodiment, specifically: the positive electrode 16 is recessed relative to the insulating boot 21, and the surfaces of the positive electrode 16 and the negative electrode 17 are recessed relative to the surface of the insulating boot 21.

As shown in fig. 4 and 10, the thickness of the insulating sheath 21 may be designed according to the protruding length of the positive electrode 16 and the negative electrode 17 during the production process, so that the surfaces of the positive electrode 16 and the negative electrode 17 are recessed relative to the surface of the insulating sheath 21.

Example four:

as shown in the figure 5 of the drawings,

in this embodiment, specifically: the negative electrode 17 is cylindrical in shape.

In this embodiment, specifically: the positive electrode 16 is cylindrical in shape.

In this embodiment, specifically: the cathode 17 and the anode 16 are distributed in an internal and external structure.

The utility model discloses at the during operation: protect the anodal 16 and the negative pole 17 at both ends through insulating lag 21, prevent that both ends utmost point post from receiving external force and damaging, the life of extension battery, insulating lag 21 can prevent that inside electrolyte and the heavy metal of battery from revealing, avoid electrolyte and heavy metal to cause the influence to the human body, insulating lag 21 seals whole battery inside simultaneously, can prevent outside air and moisture to enter the battery in, better security has, insulating lag 21's size can be customized according to the in service behavior of difference, satisfy the user demand under different environment, cylindrical battery's practicality improves.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A column type battery comprising a main body assembly (10), characterized in that: the main body component (10) comprises a shell (15), a positive electrode (16) and a negative electrode (17);

the top of the shell (15) is fixedly connected with an anode (16), one end of the anode (16) penetrates through the top of the inner side wall of the shell (15), the top of the shell (15) is fixedly connected with a cathode (17), and one end of the cathode (17) penetrates through the top of the inner side wall of the shell (15);

the outer side wall of the shell (15) is fixedly connected with a protective assembly (20), and the protective assembly (20) comprises an insulating protective sleeve (21), a first through groove (22) and a second through groove (23);

the shell (15) is connected to the inner side wall of the insulating protective sleeve (21), and a first through groove (22) and a second through groove (23) are formed in the upper surface of the insulating protective sleeve (21).

2. A cylindrical battery according to claim 1, wherein: the positive electrode (16) is fixedly connected with the inner side wall of the first through groove (22).

3. A cylindrical battery according to claim 1, wherein: the negative electrode (17) is fixedly connected with the inner side wall of the second through groove (23).

4. A cylindrical battery according to claim 1, wherein: the negative electrode (17) is convex, concave or parallel relative to the insulating protective sleeve (21).

5. A cylindrical battery according to claim 1, wherein: the positive electrode (16) is convex, concave or parallel relative to the insulating protective sleeve (21).

6. The cylindrical battery according to claim 4, wherein: and the negative electrode (17) is used for externally connecting a conductive ring or a conductive ring.

7. The cylindrical battery according to claim 5, wherein: the positive electrode (16) is used for externally connecting a conductive ring or a conductive ring.

8. A cylindrical battery according to claim 1, wherein: the negative electrode (17) and the positive electrode (16) are located at the same end.

9. A cylindrical battery according to claim 1, wherein: the negative electrode (17) and the positive electrode (16) are distributed in a left-right structure or an inner-outer structure.

10. A cylindrical battery according to claim 1, wherein: insulating lag (21) are provided with pcb circuit board or miaow head, pcb circuit board or miaow head are connected with positive pole, negative pole.

11. A cylindrical battery according to claim 1, wherein: the outer side of the insulating protective sleeve (21) is provided with a mark, and the mark is used for distinguishing a positive electrode and a negative electrode.

12. A cylindrical battery according to claim 1, wherein: the insulating protective sleeve (21) is an oval, cylindrical or polygonal cylinder.