CN209843785U

CN209843785U - Battery pack

Info

Publication number: CN209843785U
Application number: CN201920739997.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shenzhen Topband Co Ltd
Current assignee: Shenzhen Topband Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2019-12-24
Anticipated expiration: 2029-05-20

Abstract

The utility model is suitable for a battery technology field provides a battery pack, including epitheca, inferior valve and printing board, the epitheca with the inferior valve encloses to close and forms the first chamber that holds, the printing board set up in the first intracavity that holds, be provided with on the printing board with the terminal block that the printing board was hugged closely, it holds the chamber to be provided with the second in the terminal block, the second holds the intracavity and is provided with a plurality of terminals, the second holds the intracavity and still fills there is sealed glue, the terminal block with still be provided with sealed the pad between the epitheca. The utility model discloses a to laminate on the printing plate and set up the terminal seat, pack sealed glue in the terminal seat to set up sealed the pad between terminal seat and epitheca, through the sealed waterproof effect of the double-deck seal of joint sealant and sealed pad, can effectively improve the regional waterproof performance of printing plate that corresponds in the terminal seat, effectively ensure the security of being connected between terminal in the terminal seat and the printing plate, further improve the security performance of battery package.

Description

Battery pack

Technical Field

The utility model belongs to the technical field of the battery, especially, relate to a battery package.

Background

The battery pack is provided with a connection tripping device which can be detachably mounted on the electric tool, the connection tripping device comprises an operation part and a clamping part, and the operation part can drive the clamping part to be connected with or separated from the electric tool.

The battery pack comprises an upper shell and a lower shell which are provided with accommodating cavities, the upper shell and the lower shell are in butt joint, a battery mounting cavity is formed between the upper shell and the lower shell, a battery mounting frame is arranged in the battery mounting cavity, and a plurality of batteries are mounted on the battery mounting frame. The connection tripping device is positioned in the installation cavity, and the operation part and the clamping part extend out of the through hole of the upper shell and are exposed outside. Because operation portion and joint portion belong to the expansion end, when with the cooperation of last casing through-hole, have the clearance, water can get into the installation cavity through this clearance, and then in getting into the battery for the battery package can not use.

When the battery pack is applied to some electric tools working in a humid environment, the requirement on the waterproof performance of the battery pack is high, and the existing battery pack cannot meet the waterproof requirement, so that the battery pack with good waterproof performance is required to be provided.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a battery package has solved the poor technical problem of current battery package waterproof performance.

The embodiment of the utility model provides a realize like this, provide a battery package, including epitheca, inferior valve and printing board, the epitheca with the inferior valve encloses to close and forms the first chamber that holds, the printing board set up in the first intracavity that holds, be provided with on the printing board with the terminal block that the printing board was hugged closely, it holds the chamber to be provided with the second in the terminal block, the second holds the intracavity and is provided with a plurality of terminals, the second holds the intracavity and still fills there is sealed glue, the terminal block with still be provided with sealed the pad between the epitheca.

Furthermore, the upper shell is provided with a first avoiding groove for the terminal to pass through, and the sealing pad is provided with a plurality of second avoiding grooves for the terminal to pass through.

Furthermore, a ring convex rib is arranged on the inner side wall of the upper shell and is annularly arranged around the first avoiding groove.

Furthermore, a plurality of first separating rib positions are arranged in the first avoiding groove, a plurality of second separating rib positions are arranged in the second avoiding groove, and the first separating rib positions are pressed against the second separating rib positions to separate the terminals.

Furthermore, the sealant is PS colloid, PA colloid or silicon rubber.

Furthermore, a sealing ring is arranged between the upper shell and the lower shell.

Furthermore, a first groove is formed in the upper shell, and a second groove is formed in the lower shell.

The utility model discloses the beneficial effect who reaches, the utility model discloses a to laminate on the printing plate and set up the terminal seat, pack sealed glue in the terminal seat to set up sealed the pad between terminal seat and epitheca, through the sealed waterproof effect of gluing and sealed double-deck sealing of filling up, can effectively improve the regional waterproof performance of printing plate that corresponds in the terminal seat, effectively ensure the security of being connected between terminal in the terminal seat and the printing plate, further improve the security performance of battery package.

Drawings

Fig. 1 is a cross-sectional view of an embodiment of a battery pack provided by an embodiment of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

Fig. 4 is a perspective view of a printing plate of an embodiment of a battery pack provided by an embodiment of the present invention.

Fig. 5 is a perspective view of a gasket according to an embodiment of the present invention.

Fig. 6 is a perspective view of a sealing ring according to an embodiment of the present invention.

Fig. 7 is a perspective view of an upper case of an embodiment of a battery pack provided by an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model discloses a set up the terminal seat on the printing plate to pack sealed glue and set up sealed the pad between terminal seat and epitheca in the terminal seat, can effectively improve the waterproof performance of terminal seat.

Example one

As shown in fig. 1-7, the embodiment of the utility model provides a realize like this, provide a battery package, including epitheca 1, inferior valve 2 and printing board 3, epitheca 1 with inferior valve 2 encloses to close to form first chamber that holds, printing board 3 set up in first intracavity that holds, be provided with on the printing board 3 with the terminal seat 31 that printing board 3 hugs closely, it holds the chamber to be provided with the second in the terminal seat 31, the second holds the intracavity and is provided with a plurality of terminals 4, the second holds the intracavity and still fills there is sealed glue 33, terminal seat 31 with still be provided with sealed the pad 32 between the epitheca 1. Specifically, the terminal block 31 with the terminal 4 is fixed on the printed board 3 by screwing, bonding or other fixing methods, and then the second accommodating cavity is filled with the sealant 33, so that the second accommodating cavity is filled with the sealant 33, and a gap can be formed in the second accommodating cavity, so that the sealant 33 fills the gap between the terminal block 31 and the printed board 3.

As shown in fig. 6, in an alternative embodiment of the present invention, the sealing pad 32 may be replaced by a sealing ring 34, and the cross section of the sealing ring 34 may be circular, oval or square, and the like, and mainly plays a role of sealing to prevent external water from flowing into the terminal seat 31.

The utility model discloses a to laminate on printing plate 3 and set up terminal seat 31, fill sealed glue 33 in terminal seat 31 to set up sealed pad 32 between terminal seat 31 and epitheca 1, through sealed glue 33 and the sealed waterproof effect of the double-deck of filling up 32, can effectively improve the terminal seat 31 in the corresponding printing plate 3 regional waterproof performance of printing plate, effectively ensure the security of being connected between terminal 4 in the terminal seat 31 and the printing plate 3, further improve the security performance of battery package.

Example two

The upper shell 1 is provided with a first avoiding groove for the terminal 4 to pass through, and the sealing gasket 32 is provided with a plurality of second avoiding grooves for the terminal 4 to pass through.

In this embodiment, set up first keep away a groove and second and keep away a groove, be convenient for terminal 4 wear to establish the back and be connected with external equipment, and is simple convenient.

EXAMPLE III

And a ring convex rib 11 is arranged on the inner side wall of the upper shell 1, and the ring convex rib 11 is annularly arranged around the first avoidance groove.

In this embodiment, the annular protruding rib 11 is arranged around the first avoiding groove, the sealing gasket 32 can be abutted by the annular protruding rib 11, and the sealing gasket 32 is tightly attached to the terminal block 31, so that the waterproof performance of the terminal block 31 is effectively improved.

Example four

A plurality of first separating rib positions 12 are arranged in the first avoiding groove, a plurality of second separating rib positions 321 are arranged in the second avoiding groove, and the first separating rib positions 12 are pressed against the second separating rib positions 321 to separate the terminals 4.

In this embodiment, the first separating rib positions 12 and the second separating rib positions 321 abutted to the first separating rib positions 12 are provided, so that the terminals 4 can be separated from each other, and the terminals 4 do not interfere with each other, and even if one terminal 4 enters water, other terminals 4 are not affected, specifically, the space between the terminal 4 and the terminal 4 is filled with the sealant 33; in addition, the tightness of the connection between the sealing gasket 32 and the upper case 1 at the position between the terminals 4 can be ensured, which is simple and convenient.

EXAMPLE five

The sealant 33 is PS colloid, PA colloid or silicon rubber.

In this embodiment, the PS colloid refers to polystyrene colloid, the PA colloid refers to polyamide colloid, and the silicone rubber refers to rubber in which the main chain is composed of alternating silicon and oxygen atoms, and two organic groups are usually bonded to the silicon atoms. Conventional silicone rubbers consist predominantly of siloxane segments containing methyl groups and small amounts of vinyl groups. The introduction of phenyl can improve the high and low temperature resistance of the silicone rubber, and the introduction of trifluoropropyl and cyano can improve the temperature resistance and oil resistance of the silicone rubber. The silicon rubber has good low-temperature resistance and can still work at the temperature of minus 55 ℃. After the introduction of phenyl, a temperature of-73 ℃ can be reached. The silicon rubber has outstanding heat resistance, can work for a long time at 180 ℃, can still have elasticity for a plurality of weeks or more even at the temperature slightly higher than 200 ℃, and can instantaneously resist the high temperature of more than 300 ℃. Silicone rubber has good gas permeability, and oxygen transmission rate is the highest among synthetic polymers.

EXAMPLE six

And a sealing ring 5 is arranged between the upper shell 1 and the lower shell 2. The sealability between the upper case 1 and the lower case 2 can be effectively increased, and the waterproof performance of the battery pack is improved. Further, for better fixing the seal ring 5, a first groove is arranged on the upper shell 1, and a second groove is arranged on the lower shell 2. When epitheca 1 and inferior valve 2 lid are fashionable, the space between first recess and the second recess is used for holding sealing washer 5, can effectively increase the leakproofness of battery package, further improves waterproof performance.

The utility model discloses a to laminate on printing plate 3 and set up terminal seat 31, fill sealed glue 33 in terminal seat 31 to set up sealed pad 32 between terminal seat 31 and epitheca 1, through sealed glue 33 and the sealed waterproof effect of the double-deck of filling up 32, can effectively improve the terminal seat 31 in the corresponding printing plate 3 regional waterproof performance of printing plate, effectively ensure the security of being connected between terminal 4 in the terminal seat 31 and the printing plate 3, further improve the security performance of battery package. Set up first keep away the position groove and the second keeps away the position groove, the terminal 4 of being convenient for is worn to establish the back and is connected with external equipment, and is simple convenient. Set up ring protruding muscle 11 around first avoiding a groove, can carry out the butt to sealed pad 32 through ring protruding muscle 11, hug closely sealed pad 32 and set up on terminal seat 31, effectively increase terminal seat 31's waterproof performance. The first separating rib positions 12 and the second separating rib positions 321 abutted to the first separating rib positions 12 are arranged, so that the terminals 4 can be separated, the terminals 4 are not interfered with each other, even if one terminal 4 is filled with water, other terminals 4 cannot be influenced, and specifically, the space between the terminal 4 and the terminal 4 is filled with the sealant 33; in addition, the tightness of the connection between the sealing gasket 32 and the upper case 1 at the position between the terminals 4 can be ensured, which is simple and convenient. And a sealing ring 5 is arranged between the upper shell 1 and the lower shell 2. The sealability between the upper case 1 and the lower case 2 can be effectively increased, and the waterproof performance of the battery pack is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a battery pack, includes epitheca, inferior valve and printing board, the epitheca with the inferior valve encloses to close and forms the first chamber that holds, the printing board set up in the first intracavity that holds, its characterized in that, be provided with on the printing board with the terminal seat that the printing board was hugged closely, it holds the chamber to be provided with the second in the terminal seat, the second holds the intracavity and is provided with a plurality of terminals, the second holds the intracavity and still fills there is sealed glue, the terminal seat with still be provided with sealed the pad between the epitheca.

2. The battery pack according to claim 1, wherein the upper case is provided with a first avoiding groove for the terminal to pass through, and the sealing pad is provided with a plurality of second avoiding grooves for the terminal to pass through.

3. The battery pack according to claim 2, wherein a ring rib is disposed on an inner sidewall of the upper case, and the ring rib is disposed around the first avoiding groove.

4. The battery pack according to claim 3, wherein a plurality of first separating rib positions are provided in the first avoiding groove, a plurality of second separating rib positions are provided in the second avoiding groove, and the first separating rib positions press against the second separating rib positions to separate the plurality of terminals.

5. The battery pack of claim 1, wherein the sealant is PS gel, PA gel, or silicone rubber.

6. The battery pack according to any one of claims 1 to 5, wherein a seal ring is provided between the upper case and the lower case.

7. The battery pack according to claim 6, wherein the upper case is provided with a first groove, and the lower case is provided with a second groove.