CN218101559U

CN218101559U - Protective equipment for protecting lithium battery

Info

Publication number: CN218101559U
Application number: CN202221013151.7U
Authority: CN
Inventors: 范江平
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-12-20
Anticipated expiration: 2032-04-28

Abstract

The utility model relates to the technical field of lithium batteries, in particular to a protective device for protecting a lithium battery, which comprises a protective structure and a main body accommodated in the protective structure; the protective structure comprises a shell, wherein an accommodating cavity for accommodating the main body and an opening part arranged at the upper end of the shell are formed in the shell, the opening part is communicated with the accommodating cavity, and an inner edge part is arranged on the inner peripheral edge of the opening part, so that a step part is formed between the inner edge part and the inner side wall of the shell; the first cover body is covered on the shell and comprises a cover body part and an outer edge part arranged on the outer peripheral edge of the bottom of the cover body part, the outer edge part is mutually clamped with the step part on the shell, and a sealing groove for mounting a sealing ring is formed between the cover body part and the inner side wall of the shell; the second cover body is covered on the first cover body and tightly buckled with the first cover body; the device has the characteristics of simple and reasonable structure and convenient disassembly and assembly, and solves the problem of quick disassembly and assembly; but also improves the waterproof effect.

Description

Protective equipment for protecting lithium battery

Technical Field

The utility model relates to a lithium cell technical field, concretely relates to protective equipment for protecting lithium cell.

Background

The lithium battery product has the advantages of high voltage, high power, long service life, no pollution and the like, is suitable for the requirements of microelectronics and environmental protection, and can be rolled up in the whole battery market rapidly once being released. At present, portable lithium batteries are widely used in digital electronic products such as mobile phones, cameras and notebook computers, and electronic devices used outdoors such as electric tools and agricultural equipment.

However, with the rapid increase of the application of portable lithium batteries, most of the protection devices of the lithium batteries are in a gluing form, and are not easy to detach and install, and in the long-term use process, the protection devices of the lithium batteries can be degummed, are easy to enter water, and can easily cause short circuit once being touched by water, thereby bringing inconvenience to use; there is thus a need for research and improvement in such a protective device for protecting lithium batteries; in order to solve the above problems, the present invention is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a protective equipment for protecting lithium cell to solve at least one of the above-mentioned defect that prior art exists.

In order to achieve the above purpose, the utility model provides a following technical scheme: a protective device for protecting a lithium battery comprises a protective structure and a main body accommodated in the protective structure; the protective structure includes:

the shell is internally provided with an accommodating cavity for accommodating the main body and an opening part arranged at the upper end of the shell, the opening part is communicated with the accommodating cavity, and the inner peripheral edge of the opening part is provided with an inner edge part, so that a step part is formed between the inner edge part and the inner side wall of the shell;

the first cover body is covered on the shell and comprises a cover body part and an outer edge part arranged on the outer peripheral edge of the bottom of the cover body part, the outer edge part is mutually clamped with the step part on the shell, and a sealing groove for mounting a sealing ring is formed between the cover body part and the inner side wall of the shell;

and the second cover body is covered on the first cover body and tightly buckled with the first cover body.

The utility model discloses a further improvement, outer edge portion extends towards the direction of keeping away from this first lid, and this outer edge portion with first lid is arranged perpendicularly.

The utility model discloses a further improvement, interior edge is the frame shape.

The utility model discloses a further improvement, interior border portion with the inside wall of casing is arranged perpendicularly.

The utility model discloses a further improvement, the area of the lid portion of first lid is less than the area of opening.

The utility model discloses a further improvement, first lid pass through the mounting with the casing is fixed.

The utility model is further improved, a plurality of first fixing holes are arranged on the outer edge part of the first cover body, and a plurality of second fixing holes corresponding to the first fixing holes are arranged on the inner edge part of the shell;

the fixing pieces are provided with a plurality of fixing pieces, and each fixing piece penetrates through the first fixing hole and the second fixing hole respectively to be fixed.

The utility model discloses a further improvement, the outside of casing has a plurality of interface ends, all install the seal structure that is used for sealing this interface end on each interface end;

the sealing structure comprises a flexible part, a lantern ring connected to one end of the flexible part, and a sealing part connected to the other end of the flexible part.

The utility model discloses a further improvement, casing one side has the handle portion.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

the protection device for protecting the lithium battery comprises a protection structure and a main body accommodated in the protection structure; the protective structure includes: the shell is internally provided with an accommodating cavity for accommodating the main body and an opening part arranged at the upper end of the shell, the opening part is communicated with the accommodating cavity, and the inner peripheral edge of the opening part is provided with an inner edge part, so that a step part is formed between the inner edge part and the inner side wall of the shell; the first cover body is covered on the shell and comprises a cover body part and an outer edge part arranged on the outer peripheral edge of the bottom of the cover body part, the outer edge part is mutually clamped with the step part on the shell, and a sealing groove for mounting a sealing ring is formed between the cover body part and the inner side wall of the shell; the second cover body is covered on the first cover body and tightly buckled with the first cover body; through the design, on one hand, the device has the characteristics of simple and reasonable structure and convenience in disassembly and assembly, so that the problem of quick disassembly and assembly is solved; on the other hand, waterproof effect is improved, user's demand can be satisfied, and practical value is high.

The invention is further described with reference to the drawings and the specific embodiments.

Drawings

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

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

fig. 4 is a structural schematic diagram of the combined use state of the protection structure and the sealing structure of the present invention.

Reference numerals are as follows: 1. a protective structure; 11. a housing; 111. an accommodating cavity; 112. an opening part; 113. an inner edge portion; 114. a step portion; 12. a first cover body; 121. a lid portion; 122. an outer edge portion; 123. a sealing groove; 13. a second cover body; 2. a main body; 3. a seal ring; 4. a fixing member; 5. a first fixing hole; 6. a second fixing hole; 7. an interface end; 8. a sealing structure; 81. a flexible member; 82. a collar; 83. a sealing part; 9. a handle part.

Detailed Description

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 4, the technical solution adopted by the present embodiment is as follows: a protective device for protecting a lithium battery comprises a protective structure 1 and a main body 2 accommodated in the protective structure 1; the protective structure 1 comprises: a housing 11, the housing 11 having a housing cavity 111 for housing the main body 2 therein and an opening 112 opened at an upper end of the housing 11, wherein the housing 11 is rectangular, but obviously, the invention is not limited thereto, and other shapes besides rectangular are also applicable to the embodiment, however, the shape may be determined according to the shape of the main body 2.

The opening part 112 is communicated with the accommodating cavity 111, and the main body 2 can be put into the accommodating cavity 111 from the opening part 112; the inner edge of the opening part 112 is provided with an inner edge part 113, the inner edge part 113 is close to the opening part 112, and the distance between the inner edge part 113 and the opening part 112 is at least 5mm; so that a step 114 is formed between the inner edge part 113 and the inner side wall of the housing 11, and the step 114 is in a step shape; the inner edge portion 113 protrudes from the inner periphery of the accommodating cavity 111, and the inner edge portion 113 is arranged perpendicular to the inner side wall of the housing 11, that is, the inner side wall is arranged vertically, and the inner edge portion 113 is arranged horizontally; and the width of the inner edge portion 113 is at least 5mm; and the inner edge portion 113 has a frame shape.

The first cover 12, the first cover 12 is disposed on the housing 11, wherein the first cover 12 includes a cover portion 121 and an outer edge portion 122 disposed at an outer peripheral edge of a bottom of the cover portion 121, the outer edge portion 122 is engaged with the step portion 114 on the housing 11, the outer edge portion 122 extends to an outer side of the first cover 12, and the outer edge portion 122 is disposed perpendicular to the first cover 12, wherein the outer edge portion 122 is disposed horizontally; the outer edge portion 122 and the cover portion 121 are formed as an integral structure, but obviously, the structure is not limited thereto, and the outer edge portion 122 and the cover portion 121 may also be formed as a separate structure, for example, the outer edge portion 122 and the cover portion 121 are fixed by a fastener.

When assembled, the outer side surface of the outer edge portion 122 is in close contact with the inner side surface of the stepped portion 114; after assembly, a sealing groove 123 for installing the sealing ring 3 is formed between the cover body 121 and the inner side wall of the housing 11; even if the seal groove 123 is located in the inner periphery of the step portion 114 of the housing 11; the sealing ring 3 may be embedded in the sealing groove 123, and the outer surface of the sealing ring 3 is in close inner surface contact with the sealing groove 123, so that the sealing ring 3 can be stably installed in the sealing groove 123.

The second cover body 13, the said second cover body 13 is covered on the said first cover body 12 and fastened with the first cover body 12 closely; thereby further improving the protection effect, enhancing the aesthetic property and avoiding the unaesthetic property of the exposed fixing hole; specifically, the second cover 13 is tightly fastened to the cover 121 of the first cover 12; wherein, the second cover 13 has a groove portion, the inner side surface of the groove portion is tightly contacted with the outer side surface of the cover 121, so that the second cover 13 and the first cover 12 are buckled with each other; in addition, the cover portion 121 of the first cover 12 has an area smaller than that of the opening 112.

In addition, casing 11 and second lid 13 enclose by a plurality of plate bodies and establish the constitution, and wherein, the plate body thickness of casing 11 is less than the plate body thickness of second lid 13 to when second lid 13 lid was established on casing 11, the plate body of second lid 13 is identical with the plate body of casing 11, thereby the border part of the plate body of this second lid 13 is at opening 112, and then makes the border of the plate body of this second lid 13 can compress tightly sealing washer 3, with the compactness of strengthening sealing washer 3, thereby further improve sealed effect.

The first cover 12 is fixed with the shell 11 through a fixing piece 4; a plurality of first fixing holes 5 are formed in the outer edge portion 122 of the first cover 12, and the first fixing holes 5 can be arranged at four corners of the outer edge portion 122; a plurality of second fixing holes 6 corresponding to the first fixing holes 5 are formed on the inner edge part 113 of the shell 11; the fixing pieces 4 are provided with a plurality of fixing pieces, and each fixing piece 4 penetrates through the first fixing hole 5 and the second fixing hole 6 respectively for fixing; wherein the fixing member 4 has external threads and each fixing hole has internal threads, however, the fixing member 4 is screw-coupled with the fixing hole; thereby further enhancing the stability of the first cover 12 and the housing 11. In addition to the connection method using the above-described structure, connection methods having other structures are also applicable to this embodiment.

The outer side of the shell 11 is provided with a plurality of interface ends 7, and each interface end 7 is provided with a sealing structure 8 for sealing the interface end 7; thereby achieving the sealing effect; wherein, the sealing structure 8 comprises a flexible member 81, a collar 82 connected to one end of the flexible member 81, and a sealing part 83 connected to the other end of the flexible member 81; specifically, the flexible member 81 can be bent at will to facilitate the installation and removal of the sealing portion 83; the collar 82 is fixed to the interface end 7 by a sleeve, but the collar 82 can be slid toward the housing 11 until it contacts the outer sidewall of the housing 11; the sealing part 83 is used for being sleeved on the interface end 7 to wrap the interface end 7, wherein the sealing part 83 is a sealing part 83 with a cavity, and the inner side surface of the sealing part 83 is tightly contacted with the outer side surface of the interface end 7; thereby achieving the sealing effect; in addition, the shell 11 has a handle 9 at one side, so that the carrying of the user is convenient.

In conclusion, the protective equipment for protecting the lithium battery has the characteristics of simple and reasonable structure and convenience in disassembly and assembly, so that the problem of quick disassembly and assembly is solved; and waterproof effect has been improved to can satisfy user's demand, practical value is high.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The detachable installation mode has various modes, for example, the detachable installation mode can be matched with a buckle through inserting, for example, a bolt connection mode and the like.

The conception, the specific structure, and the technical effects produced by the present invention are clearly and completely described above in conjunction with the embodiments and the accompanying drawings, so as to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions.

The above-mentioned embodiment is right the utility model specifically describes, only is used for going on further the explanation to the utility model, can not understand right the utility model discloses the limited of scope of protection, and technical engineer in this field is right according to above-mentioned utility model's content the utility model discloses make some non-essential improvements and adjustment all fall into within the scope of protection of the utility model.

Claims

1. A protective device for protecting a lithium battery comprises a protective structure and a main body accommodated in the protective structure; characterized in that, protective structure includes:

2. A shielding device for shielding a lithium battery as claimed in claim 1, characterized in that: the outer edge portion extends towards a direction far away from the first cover body, and the outer edge portion is perpendicular to the first cover body.

3. A shielding device for shielding a lithium battery as claimed in claim 1, characterized in that: the inner edge part is in a frame shape.

4. A shielding device for shielding a lithium battery as claimed in claim 1, characterized in that: the inner edge portion is arranged perpendicular to an inner side wall of the housing.

5. A shielding device for shielding a lithium battery as claimed in claim 1, characterized in that: the area of the cover body part of the first cover body is smaller than that of the opening part.

6. A shielding device for shielding a lithium battery as claimed in claim 1, characterized in that: the first cover body is fixed with the shell through a fixing piece.

7. A shielding device for shielding a lithium battery as claimed in claim 6, characterized in that: a plurality of first fixing holes are formed in the outer edge of the first cover body, and a plurality of second fixing holes corresponding to the first fixing holes are formed in the inner edge of the shell;

8. A shielding device for shielding a lithium battery as claimed in claim 1, characterized in that: the outer side of the shell is provided with a plurality of interface ends, and each interface end is provided with a sealing structure for sealing the interface end;

9. A shielding device for shielding a lithium battery as claimed in claim 1, characterized in that: one side of the shell is provided with a handle part.