CN215342740U

CN215342740U - Lithium battery shell

Info

Publication number: CN215342740U
Application number: CN202121772403.XU
Authority: CN
Inventors: 郑高峰; 滕伟; 张鹏; 万明伦
Original assignee: Fuji Electronics Shenzhen Co ltd
Current assignee: Fuji Electronics Shenzhen Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-12-28
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to a lithium battery shell, it includes top cap and bottom, bolted connection is passed through in the top of bottom cap bottom, the top surface of bottom is used for installing the lithium cell core, the bottom surface of top cap is equipped with anodal spiral shell seat and negative pole spiral shell seat, the top surface of anodal spiral shell seat is equipped with anodal utmost point post, anodal utmost point post is the vertical top surface setting that upwards stretches out the top cap, the top surface of negative pole spiral shell seat is equipped with negative pole post, negative pole post is the vertical top surface setting that upwards stretches out the top cap, the bottom of anodal spiral shell seat and the bottom of negative pole spiral shell seat are used for being connected with the lithium cell core. This application has the effect that convenient to use person used the lithium cell.

Description

Lithium battery shell

Technical Field

The present application relates to the field of lithium battery shells, and more particularly, to lithium battery shells.

Background

As is known in the art, a lithium battery includes a case, a lithium battery core disposed in a case cavity of the case, and a cover plate. The lithium battery has the advantages of large capacity, light weight, long service period, high energy density, no memory effect, low self-discharge rate, environmental friendliness and the like, so the lithium battery is heavily used in the industry and is widely applied to electric automobiles, electric bicycles, various hardware tools and the like.

In the correlation technique, lithium cell casing includes top cap and bottom, and top cap and bottom pass through bolt interconnect, form the installation cavity for install the lithium cell core, and the top cap both sides are equipped with anodal utmost point post and negative pole utmost point post respectively, and anodal utmost point post and negative pole utmost point post all are connected with the lithium cell core.

To the correlation technique among the above-mentioned, the inventor thinks that anodal utmost point post and negative pole utmost point post are located the top cap both sides respectively, and the inconvenient use user is connected external connection spare with anodal utmost point post, negative pole utmost point post fast, has caused the defect that the inconvenient use user used the lithium cell.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the user to use the lithium cell, this application provides lithium cell casing.

The application provides a lithium battery shell adopts following technical scheme:

lithium battery shell, including top cap and bottom, bolted connection is passed through to the top cap bottom in the top of bottom, the top surface of bottom is used for installing the lithium cell core, the bottom surface of top cap is equipped with anodal spiral shell seat and negative pole spiral shell seat, the top surface of anodal spiral shell seat is equipped with anodal utmost point post, anodal utmost point post is the vertical top surface setting that upwards stretches out the top cap, the top surface of negative pole spiral shell seat is equipped with negative pole post, negative pole post is the vertical top surface setting that upwards stretches out the top cap, the bottom of anodal spiral shell seat and the bottom of negative pole spiral shell seat are used for being connected with the lithium cell core.

Through adopting above-mentioned technical scheme, the setting up convenient to use person of anodal spiral shell seat, anodal utmost point post, negative pole spiral shell seat and negative pole post is connected external connection spare with anodal utmost point post, negative pole post fast, shortens the connection time to convenient to use person uses the lithium cell.

Optionally, two mounting grooves have been seted up to the top surface of top cap, two the mounting groove is close to the both ends of top cap respectively, the top of anodal spiral shell seat and the top of negative pole spiral shell seat are all connected in the bottom surface of top cap, anodal spiral shell seat and negative pole spiral shell seat are located the below of two mounting grooves respectively, the top of anodal spiral shell seat and the top of negative pole spiral shell seat are respectively and expose the mounting groove tank bottom setting that corresponds, the bottom of anodal utmost point post is located the mounting groove that corresponds and is connected with the top of anodal spiral shell seat, the bottom of negative pole post is located the mounting groove that corresponds and is connected with the top of negative pole spiral shell seat, the mounting groove in-connection has the stationary blade, the stationary blade is the cover and establishes anodal utmost point post or negative pole setting.

Through adopting above-mentioned technical scheme, being provided with of mounting groove and stationary blade does benefit to the stability that improves spiral shell seat and utmost point post for anodal utmost point post and negative pole utmost point post are difficult for damaging, thereby convenient to use person uses the lithium cell.

Optionally, a round hole has been seted up to the top surface of top cap, the round hole is located between anodal utmost point post and the negative pole utmost point post, the top surface of top cap is connected with a plurality of arc lugs, and is a plurality of arc lugs are around the round hole setting, and a plurality of the diameter of the circular structure that arc lugs enclose is greater than the diameter of round hole.

Through adopting above-mentioned technical scheme, being provided with of round hole does benefit to the position that provides the installation for the binding post of lithium cell, and the arc lug is favorable to cooperating the round hole and installs binding post, also plays protection binding post's effect.

Optionally, the top surface of top cap is connected with two relative fixed plates, the fixed plate is perpendicular with the top surface of top cap, two the fixed plate is close to the both ends of top cap top surface respectively.

Through adopting above-mentioned technical scheme, being provided with of two fixed plates does benefit to the user and carries the lithium cell to convenient to use person uses the lithium cell.

Optionally, both ends of the fixing plate are fixed with connecting parts, and the bottom of each connecting part is fixedly connected with the top surface of the top cover.

Through adopting above-mentioned technical scheme, connecting portion be provided with and do benefit to the connection area who increases fixed plate and top cap, and then reduce the condition that the fixed plate drops to the person of facilitating the use carries the lithium cell.

Optionally, the middle part of fixed plate has been seted up and has been carried the hole, carry hole and user's finger adaptation.

Through adopting above-mentioned technical scheme, the setting up of carrying the hole provides the position of passing for user's finger, and then makes the user can grip the fixed plate better to convenient to use person uses the lithium cell.

Optionally, one side of the top cover is provided with a vent valve, and the vent valve for balancing the air pressure inside and outside the shell extends into the top cover.

Through adopting above-mentioned technical scheme, being provided with of breather valve does benefit to and reduces the inside gas expansion of casing.

Optionally, the bottom surface of top cap is connected with two connecting seats, two the connecting seat is located the below of two mounting grooves respectively, the connecting seat top surface passes the top cap and flushes with the mounting groove tank bottom, the connecting hole has been seted up to the stationary blade top surface for with the external connection spare adaptation anodal utmost point post or negative pole utmost point post are kept away from to the connecting hole, the connecting hole is relative with the connecting seat and the connecting hole is and runs through the connecting seat setting.

Through adopting above-mentioned technical scheme, being provided with of connecting seat and connecting hole does benefit to external connection spare to connect, is favorable to the different external connection spare of adaptation to convenient to use person uses the lithium cell.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the setting up of anodal spiral shell seat, anodal utmost point post, negative pole spiral shell seat and negative pole post convenient to use person is connected external connection spare with anodal utmost point post, negative pole post fast, shortens the connection time to convenient to use person uses the lithium cell.

2. The mounting groove and the fixing piece are arranged to be beneficial to improving the stability of the screw seat and the pole, so that the anode pole and the cathode pole are not easy to damage, and a user can use the lithium battery conveniently.

3. The position that the finger that sets up to the user in the hole of carrying provided the pass, and then makes the user can grip the fixed plate better to the person of being convenient for uses the lithium cell.

Drawings

Fig. 1 is a schematic view of the overall structure of the lithium battery case in the present embodiment.

Fig. 2 is a sectional view of the lithium battery case in the present embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a top cover; 2. a bottom cover; 3. a positive screw seat; 4. a negative screw seat; 5. a positive pole column; 6. a negative electrode post; 7. a groove; 8. a vent valve; 9. a circular hole; 10. an arcuate tab; 11. a fixing plate; 12. a connecting portion; 13. a carrying hole; 14. mounting grooves; 15. a fixing sheet; 16. a connecting seat; 17. and connecting the holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses lithium battery shell. Referring to fig. 1 and 2, the lithium battery case includes a top cover 1 and a bottom cover 2, the bottom of the top cover 1 is connected to the top of the bottom cover 2 by bolts, and the top cover 1 and the bottom cover 2 form a space for installing a lithium battery cell. The top surface of bottom cover 2 provides the position of installation for the lithium cell, and the bottom of lithium cell is connected in the top surface of bottom cover 2. The bottom surface of top cap 1 is fixed with anodal spiral shell seat 3 and negative pole spiral shell seat 4, and the top surface of anodal spiral shell seat 3 is fixed with the anodal utmost point post 5 that is vertical setting, and negative pole spiral shell seat 4 top surface is fixed with the negative pole post 6 that is vertical setting, and anodal utmost point post 5 and negative pole post 6 are the vertical top surface setting that upwards stretches out top cap 1. The positive electrode post 5 and the negative electrode post 6 are used for being connected with an external connecting piece. The bottom of the positive screw seat 3 and the bottom of the negative screw seat 4 are used for being connected with a lithium battery core.

Referring to fig. 1, in order to reduce the expansion of the gas in the housing, a groove 7 is formed in one side of the top cover 1, the groove 7 is close to the top surface of the top cover 1, and the groove 7 penetrates through the top surface of the top cover 1. The bottom of the groove 7 is connected with a ventilation valve 8 which is horizontally arranged and used for balancing the air pressure inside and outside the shell. One end of the ventilation valve 8 close to the bottom of the groove 7 extends into the top cover 1.

Referring to fig. 1, in order to facilitate installation of the terminal of the lithium battery, a round hole 9 is formed in the top surface of the top cover 1, the round hole 9 is located between the positive electrode post 5 and the negative electrode post 6, and the round hole 9 is close to the positive electrode post 5. The top surface of top cap 1 is fixed with a plurality of arc lugs 10, and the quantity of a plurality of arc lugs 10 is four in this embodiment, and four arc lugs 10 are around round hole 9 setting, and the diameter of the circular structure that four arc lugs 10 formed is greater than the diameter of round hole 9 to be favorable to protecting binding post.

Referring to fig. 1, in order to facilitate the user to carry the lithium battery, two opposite fixing plates 11 are fixed on the top surface of the top cover 1, the fixing plates 11 are vertically arranged, the fixing plates 11 are perpendicular to the top surface of the top cover 1, and the two fixing plates 11 are respectively close to two ends of the top cover 1.

Referring to fig. 1, in order to reduce the situation that the fixing plate 11 is separated from the top surface of the top cover 1, the two ends of the fixing plate 11 are fixed with the connecting portions 12, the connecting portions 12 are vertically arranged, and the vertical cross-sections of the connecting portions 12 are arranged in an isosceles triangle shape. The bottom of the connecting portion 12 is fixedly connected with the top surface of the top cover 1 so as to strengthen the connection between the fixing plate 11 and the top surface of the top cover 1.

Referring to fig. 1, in order to facilitate the user to hold the fixing plate 11 and reduce the situation of taking off the hand, a carrying hole 13 is formed in the middle of the fixing plate 11, and the carrying hole 13 is adapted to the finger of the user. To further facilitate the user's grip of the fixing plate 11, the number of the carrying holes 13 of each fixing plate 11 is set to two, and the two carrying holes 13 of each fixing plate 11 are communicated to facilitate the two fingers of the user to pass through.

Referring to fig. 2 and 3, in order to improve the stability of the screw base and the pole, two mounting grooves 14 are formed in the top surface of the top cover 1, and the length direction of the mounting grooves 14 is parallel to the length direction of the top cover 1. The two mounting grooves 14 are respectively close to two ends of the top cover 1, and the positive screw seat 3 and the negative screw seat 4 are respectively positioned below the two mounting grooves 14. The top cover 1 is all worn to establish at the top of anodal spiral shell seat 3 and the top of negative pole spiral shell seat 4, and the top surface of anodal spiral shell seat 3 and the top surface of negative pole spiral shell seat 4 flush with the tank bottom of two mounting grooves 14 respectively. The bottom of the positive pole post 5 extends into the corresponding mounting groove 14 and is connected with the top surface of the positive pole screw seat 3, and the bottom of the negative pole post 6 extends into the corresponding mounting groove 14 and is connected with the top surface of the negative pole screw seat 4. A fixing piece 15 horizontally arranged is bonded in the mounting groove 14, and the area of the fixing piece 15 is equal to the area of the notch of the mounting groove 14. The positive electrode post 5 and the negative electrode post 6 pass through the corresponding fixing pieces 15 so that the top end of the positive electrode post 5 and the top end of the negative electrode post 6 are connected by an external connecting piece.

Referring to fig. 2 and 3, two connection seats 16 are fixed to the bottom surface of the top cover 1, and the two connection seats 16 are respectively located below the two mounting grooves 14. Top cover 1 is worn to establish at the top of connecting seat 16, and the top surface of connecting seat 16 is level with the bottom of corresponding mounting groove 14 groove. The top surface of fixing piece 15 is opened with connecting hole 17, and connecting hole 17 is located the top of connecting seat 16 for with external connecting piece adaptation. And the connecting hole 17 has a certain distance with the positive electrode post 5 or the negative electrode post 6, and the connecting hole 17 vertically penetrates through the top surface of the corresponding connecting seat 16 downwards.

The implementation principle of the lithium battery shell in the embodiment of the application is as follows: the setting of mount pad and stationary blade 15 does benefit to the stability of strengthening spiral shell seat and utmost point post, anodal spiral shell seat 3, anodal utmost point post 5, negative pole spiral shell seat 4 and negative pole post 6 set up the person of facilitating the use and be connected external connection spare and anodal utmost point post 5, negative pole post 6 fast, connecting seat 16 and connecting hole 17 be provided with and do benefit to the more external connection spare of lithium cell adaptation, fixed plate 11 and the setting of carrying hole 13 do benefit to the user and carry the lithium cell in addition, thereby the person of facilitating the use uses the lithium cell.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Lithium battery case, its characterized in that: including top cap (1) and bottom (2), bolted connection is passed through in the top of bottom (2) in top cap (1) bottom, the top surface of bottom (2) is used for installing the lithium cell core, the bottom surface of top cap (1) is equipped with anodal spiral shell seat (3) and negative pole spiral shell seat (4), the top surface of anodal spiral shell seat (3) is equipped with anodal utmost point post (5), anodal utmost point post (5) are the vertical top surface setting that upwards stretches out top cap (1), the top surface of negative pole spiral shell seat (4) is equipped with negative pole (6), negative pole post (6) are the vertical top surface setting that upwards stretches out top cap (1), the bottom of anodal spiral shell seat (3) and the bottom of negative pole spiral shell seat (4) are used for being connected with the lithium cell core.

2. The lithium battery cell casing of claim 1, wherein: the top surface of the top cover (1) is provided with two mounting grooves (14), the two mounting grooves (14) are respectively close to the two ends of the top cover (1), the top of the positive screw seat (3) and the top of the negative screw seat (4) are both connected with the bottom surface of the top cover (1), the positive screw seat (3) and the negative screw seat (4) are respectively positioned below the two mounting grooves (14), the top of the positive screw seat (3) and the top of the negative screw seat (4) are respectively arranged at the bottoms of the corresponding mounting grooves (14) in an exposed manner, the bottom end of the anode pole (5) is positioned in the corresponding mounting groove (14) and is connected with the top of the anode screw seat (3), the bottom end of the negative pole post (6) is positioned in the corresponding mounting groove (14) and is connected with the top of the negative screw seat (4), the mounting groove (14) in-connection has stationary blade (15), stationary blade (15) are the cover and establish anodal utmost point post (5) or negative pole utmost point post (6) setting.

3. The lithium battery cell casing of claim 1, wherein: round hole (9) have been seted up to the top surface of top cap (1), round hole (9) are located between anodal utmost point post (5) and negative pole utmost point post (6), the top surface of top cap (1) is connected with a plurality of arc lug (10), and is a plurality of arc lug (10) are around round hole (9) setting, and is a plurality of the diameter of the circular structure that arc lug (10) enclose is greater than the diameter of round hole (9).

4. The lithium battery cell casing of claim 1, wherein: the top surface of top cap (1) is connected with two relative fixed plates (11), fixed plate (11) are perpendicular with the top surface of top cap (1), two fixed plate (11) are close to the both ends of top cap (1) top surface respectively.

5. The lithium battery cell casing of claim 4, wherein: both ends of fixed plate (11) all are fixed with connecting portion (12), connecting portion (12) bottom and the top surface fixed connection of top cap (1).

6. The lithium battery cell casing of claim 4, wherein: the middle part of fixed plate (11) has been seted up and has been carried hole (13), carry hole (13) and user's finger adaptation.

7. The lithium battery cell casing of claim 1, wherein: one side of the top cover (1) is provided with a vent valve (8), and the vent valve (8) used for balancing the air pressure inside and outside the shell extends into the top cover (1) to be arranged.

8. The lithium battery cell casing of claim 2, wherein: the bottom surface of top cap (1) is connected with two connecting seats (16), two connecting seat (16) are located the below of two mounting grooves (14) respectively, connecting seat (16) top surface passes top cap (1) and flushes with mounting groove (14) tank bottom, connecting hole (17) have been seted up to stationary blade (15) top surface for with the external connecting piece adaptation anodal utmost point post (5) or negative pole utmost point post (6) are kept away from in connecting hole (17), connecting hole (17) are relative and connecting hole (17) with connecting seat (16) and are to run through connecting seat (16) and set up.