CN218241917U

CN218241917U - Lithium battery with half frame

Info

Publication number: CN218241917U
Application number: CN202221762095.7U
Authority: CN
Inventors: 李璟; 宋海状; 陈尧齐
Original assignee: Dongguan Pinsheng New Energy Co ltd
Current assignee: Dongguan Pinsheng New Energy Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2023-01-06
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a lithium battery with half frame, which comprises a battery body, wherein a side shell is sleeved on the outer side of the battery body, two ends of the side shell are respectively and fixedly connected with a front shell and a rear shell, the bottom of the side shell is provided with a heat dissipation structure, the inner side of the rear shell is provided with a circular groove, a rear jacking block is arranged in the circular groove, the inner side of the front shell is provided with an inner side electric port, the outer side of the front shell is provided with an outer side electric port, the inside of the front shell is embedded with a metal sheet structure, one part of the metal sheet structure is positioned in the inner side electric port, and the other part of the metal sheet structure is positioned in the outer side electric port; the battery further comprises a bearing metal sheet, one end of the bearing metal sheet is located inside the inner side electric interface and is in contact with the metal sheet structure, and the other end of the bearing metal sheet is located on the inner side of the contact of the battery body. The utility model discloses, set up the backshell through the rear end at the side casing, the backshell inboard sets up the back kicking block, can fix battery body, avoids taking place between it and the casing to rock, influences the electrically conductive contact condition, avoids taking place contact failure's problem.

Description

Lithium battery with half frame

Technical Field

The utility model relates to a lithium cell installation technical field especially relates to a lithium cell of half frame in area.

Background

Electronic equipment's renewal speed is faster and faster, and the design of battery structure can not satisfy electronic equipment's demand, and people set up half frame in the side of battery and adjust the size of current battery to satisfy the demand of installation.

The half-frame that adopts at present does not have unified structure, mainly relies on operator's sensation to add, uses the lithium cell of taking half-frame to take place contact failure's problem moreover easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lithium battery with a half frame.

In order to realize the purpose, the utility model adopts the following technical scheme: a lithium battery with a half frame comprises a battery body, wherein a side shell is sleeved on the outer side of the battery body, two ends of the side shell are fixedly connected with a front shell and a rear shell respectively, a heat dissipation structure is arranged at the bottom of the side shell, a circular groove is formed in the inner side of the rear shell, a rear jacking block is arranged in the circular groove, an inner side electric interface is formed in the inner side of the front shell, an outer side electric interface is formed in the outer side of the front shell, a metal sheet structure is embedded in the front shell, one part of the metal sheet structure is located in the inner side electric interface, and the other part of the metal sheet structure is located in the outer side electric interface;

still including accepting the sheetmetal, the one end of accepting the sheetmetal is located inside the inside side electric port, and with belong to the piece structure contact, and the other end is located the contact inboard of battery body.

As a further description of the above technical solution:

the heat dissipation structure comprises a heat dissipation groove formed in the bottom of the side shell, heat dissipation holes are formed in the bottom of the heat dissipation groove, and a cushion block is arranged inside the heat dissipation groove.

As a further description of the above technical solution:

the rear ejector block comprises a cylinder, one end of the cylinder is fixedly connected with a corrugated sleeve, and the corrugated sleeve is sleeved on the outer side of the cylinder.

As a further description of the above technical solution:

the metal sheet structure comprises an embedded metal sheet and a contact sheet, the embedded metal sheet is located in an inner side electric interface, the contact sheet is located in an outer side electric interface, and the embedded metal sheet is connected with the contact sheet through a welding point.

As a further description of the above technical solution:

the bearing metal sheet comprises a V-shaped metal sheet, and two ends of the V-shaped metal sheet are fixedly connected with a first antenna and a second antenna respectively.

As a further description of the above technical solution:

the outer side electric port, the inner side electric port, the metal sheet structure and the bearing metal sheet are all provided with three groups.

As a further description of the above technical solution:

the front shell and the rear shell are both made of heat-conducting silica gel plates.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this kind of lithium cell of half frame in area sets up the backshell through the rear end at the side casing, and the ejecting block behind the inboard setting of backshell can fix battery body, avoids taking place to rock between its and the casing, influences the electrically conductive contact condition, avoids taking place contact failure's problem.

2. Compared with the prior art, this kind of lithium cell of half frame in area sets up the front shell through the front end at the side shell to the inside embedding sheetmetal structure of shell in the front, the position of outside side electric interface can be fixed to one side standard, and the opposite side can adopt to accept the sheetmetal and be connected with the battery body of different models.

3. Compared with the prior art, this kind of take lithium cell of half frame is provided with radiating groove, louvre, cushion through the bottom at the side shell, and the bottom of battery body can be supported to the cushion, makes its interior bottom surface that can not laminate the side shell, does benefit to the louvre and dispels the heat, makes it have better heat dispersion.

Drawings

Fig. 1 is a perspective view of a lithium battery with a half frame according to the present invention;

fig. 2 is a perspective view of a lithium battery case with a half frame according to the present invention;

fig. 3 is a perspective view of a lithium battery case with a half frame according to the present invention;

fig. 4 is a perspective view of a rear top block of a lithium battery with a half frame according to the present invention;

fig. 5 is a schematic perspective view of a metal sheet of a lithium battery with a half frame according to the present invention;

FIG. 6 is an enlarged view of FIG. 5 at A;

fig. 7 is a schematic perspective view of a metal sheet of a lithium battery with a half frame according to the present invention;

fig. 8 is an enlarged view of fig. 7 at B.

Illustration of the drawings:

1. a battery body; 2. a side casing; 3. a rear housing; 4. a front housing; 5. an external side electric interface; 6. an internal side is provided with an electric interface; 7. an embedded metal sheet; 8. a contact piece; 9. a welding point; 10. receiving the metal sheet; 101. an antenna I; 102. a V-shaped metal sheet; 103. an antenna II; 11. a circular groove; 12. a rear ejector block; 121. a cylinder; 122. a corrugated sleeve; 13. a heat sink; 14. heat dissipation holes; 15. and a cushion block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-8, the utility model provides a pair of lithium cell of half frame in area: the battery comprises a battery body 1, wherein the general battery body 1 is provided with a positive electrode contact, a negative electrode contact and a recognition resistance contact, a side shell 2 is sleeved on the outer side of the battery body 1, the top opening of the side shell 2 is used for installing the battery body 1, two ends of the side shell 2 are respectively and fixedly connected with a front shell 4 and a rear shell 3, the bottom of the side shell 2 is provided with a heat dissipation structure for increasing heat dissipation performance, the inner side of the rear shell 3 is provided with a circular groove 11, a rear jacking block 12 is arranged in the circular groove 11, the rear jacking block 12 elastically props against the rear end of the battery body 1, so that the battery body 1 can be stably fixed, the inner side of the front shell 4 is provided with an inner side power interface 6, the outer side of the front shell 4 is provided with an outer side power interface 5, a part of the metal sheet structure is positioned in the inner side power interface 6, and a part of the metal sheet structure is positioned in the outer side power interface 5, and the metal sheet structure has the function of realizing the function of electric conduction, so that the outer side power interface 5 has the same function as the contact of the battery body 1;

the battery cell structure further comprises a bearing metal sheet 10, one end of the bearing metal sheet 10 is located inside the inner side electric port 6 and is in contact with the metal sheet structure, the other end of the bearing metal sheet is located on the inner side of the contact of the battery body 1, and the bearing metal sheet 10 is used for connecting the metal sheet structure inside the inner side electric port 6 and the contact of the battery body 1.

The heat dissipation structure comprises a heat dissipation groove 13 arranged at the bottom in the side shell 2, heat dissipation holes 14 are formed in the bottom of the heat dissipation groove 13, a cushion block 15 is arranged inside the heat dissipation groove 13, the cushion block 15 and the heat dissipation groove 13 are vertically arranged, and the heat dissipation groove 13 and the cushion block 15 are structurally designed to enable the bottom of the battery body 1 to have a larger part which is in a suspended state, so that the heat dissipation holes 14 are facilitated to dissipate heat.

The rear top block 12 includes a cylinder 121, a corrugated sleeve 122 is fixedly connected to one end of the cylinder 121, the corrugated sleeve 122 is sleeved on the outer side of the cylinder 121, the end of the cylinder 121 is inserted into the circular groove 11, and the corrugated sleeve 122 has elasticity when compressed, so that it can be pressed against the rear end of the battery body 1.

The metal sheet structure comprises an embedded metal sheet 7 and contact sheets 8, the embedded metal sheet 7 is located in the inner side electric port 6, the contact sheets 8 are located in the outer side electric port 5, the embedded metal sheet 7 is connected with the contact sheets 8 through welding points 9, and the distribution mode of the three groups of metal sheet structures can refer to the attached

drawings

5 and 7.

The receiving metal sheet 10 comprises a V-shaped metal sheet 102, two ends of the V-shaped metal sheet 102 are respectively and fixedly connected with a first antenna 101 and a second antenna 103, the V-shaped metal sheet 102 is pressed to have outward elasticity, and the first antenna 101 can be in contact with a battery contact and the second antenna 103 can be in contact with the inner side electric interface 6 very stably.

Three sets of the external side electric interface 5, the internal side electric interface 6, the metal sheet structure and the bearing metal sheet 10 are arranged.

Preceding shell 4, backshell 3 all adopt heat conduction silica gel board, do benefit to and dispel the heat.

The working principle is as follows: when the battery pack is used, the battery body 1 is directly clamped on the inner side of the side shell 2, the corrugated sleeve 122 of the rear ejector block 12 provides elasticity for the battery body 1, so that the battery body 1 can be stably fixed, then the bearing metal sheet 10 is clamped between the front shell 4 and the front end of the battery body 1, the first antenna 101 of the bearing metal sheet 10 is positioned in the inner side electric interface 6 and is in contact with the embedded metal sheet 7, the second antenna 103 is in contact with contacts of the battery body 1 (the battery body 1 generally has a positive electrode contact, a negative electrode contact and an identification resistance contact), and after the installation is finished, the whole battery pack is installed with electronic equipment.

The purpose of using half frame is mainly to increase the width, the length size of lithium cell to and change the position of lithium cell contact, and to a new electronic equipment like this, only need design a half frame of novel size, the lithium cell just can be general.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a lithium cell of half frame in area, includes battery body (1), its characterized in that: a side shell (2) is sleeved on the outer side of the battery body (1), two ends of the side shell (2) are fixedly connected with a front shell (4) and a rear shell (3) respectively, a heat dissipation structure is arranged at the bottom of the side shell (2), a circular groove (11) is formed in the inner side of the rear shell (3), a rear jacking block (12) is arranged in the circular groove (11), an inner side electric interface (6) is formed in the inner side of the front shell (4), an outer side electric interface (5) is formed in the outer side of the front shell (4), a metal sheet structure is embedded in the front shell (4), one part of the metal sheet structure is located in the inner side electric interface (6), and the other part of the metal sheet structure is located in the outer side electric interface (5);

the battery cell structure is characterized by further comprising a bearing metal sheet (10), one end of the bearing metal sheet (10) is located inside the inner side electric port (6) and is in contact with the metal sheet structure, and the other end of the bearing metal sheet is located on the inner side of a contact of the battery body (1).

2. The lithium battery with the half frame as claimed in claim 1, wherein: the heat dissipation structure comprises a heat dissipation groove (13) arranged at the bottom in the side shell (2), heat dissipation holes (14) are formed in the bottom of the heat dissipation groove (13), and a cushion block (15) is arranged inside the heat dissipation groove (13).

3. The lithium battery with the half frame as claimed in claim 1, wherein: the rear ejector block (12) comprises a cylinder (121), one end of the cylinder (121) is fixedly connected with a corrugated sleeve (122), and the corrugated sleeve (122) is sleeved on the outer side of the cylinder (121).

4. The lithium battery with a half-frame as claimed in claim 1, wherein: the metal sheet structure comprises an embedded metal sheet (7) and a contact sheet (8), wherein the embedded metal sheet (7) is located in an inner side electric interface (6), the contact sheet (8) is located in an outer side electric interface (5), and the embedded metal sheet (7) is connected with the contact sheet (8) through a welding point (9).

5. The lithium battery with the half frame as claimed in claim 1, wherein: the bearing metal sheet (10) comprises a V-shaped metal sheet (102), and two ends of the V-shaped metal sheet (102) are fixedly connected with a first antenna (101) and a second antenna (103) respectively.

6. The lithium battery with the half frame as claimed in claim 1, wherein: the outer side electric interface (5), the inner side electric interface (6), the metal sheet structure and the bearing metal sheet (10) are all provided with three groups.

7. The lithium battery with the half frame as claimed in claim 1, wherein: the front shell (4) and the rear shell (3) both adopt heat-conducting silica gel plates.