CN221407547U - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN221407547U CN221407547U CN202323075301.4U CN202323075301U CN221407547U CN 221407547 U CN221407547 U CN 221407547U CN 202323075301 U CN202323075301 U CN 202323075301U CN 221407547 U CN221407547 U CN 221407547U
- Authority
- CN
- China
- Prior art keywords
- battery pack
- terminal seat
- main body
- bottom wall
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims description 22
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to a battery pack, which comprises a shell, a battery unit accommodated in the shell and a terminal seat electrically coupled to the battery unit, wherein the terminal seat is used for being connected to an electric tool and is provided with a bottom wall and a side wall extending vertically upwards from the bottom wall, the side wall and the bottom wall are surrounded to form a main body part, and the main body part is provided with a cavity opening outwards; the terminal seat comprises a second sealing piece attached to the edge of the main body part, the shell is provided with a plug-in part which is connected to the terminal seat and at least partially covers the cavity, a gap is formed between the inner wall of the plug-in part and the main body part of the terminal seat, and the second sealing piece is filled in the gap. The arrangement of the first sealing element and the second sealing element ensures that the outside and the inside of the plug-in part of the battery pack are isolated, so that water stains, dust and the like outside the battery pack cannot enter the battery through the terminal seat, and the service life of the battery pack is prolonged.
Description
Technical Field
The utility model relates to a battery pack, in particular to a battery pack with good waterproof effect.
Background
The electric tool is widely popular with users because the labor intensity of workers can be effectively reduced, the working efficiency of the workers is improved, and the electric tool is widely applied to the fields of building, decoration, gardens, family cleaning and the like. Such as electric drills, electric saws, dust collectors, lawn mowers, pruners, and the like. In order to make the range of use of the electric tool not limited by the utility power, the electric tool is generally configured with a battery pack so as to be used in places where the utility power plug is not provided.
When the battery pack is operated in a wet environment, the battery pack is required to have high waterproof performance. However, the present battery pack has a large gap at the plugging position assembled with the rechargeable electric tool, and water stains and dust can enter the inside of the battery pack along the gap, so that the service life of the battery pack is affected.
In view of the foregoing, it is desirable to provide an improved battery pack that overcomes the shortcomings of the prior art.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide a battery pack with good waterproof effect.
The technical scheme adopted for solving the problems in the prior art is as follows: the battery pack comprises a shell, a battery unit accommodated in the shell and a terminal seat electrically coupled to the battery unit, wherein the terminal seat is used for being connected to an electric tool and is provided with a bottom wall and a side wall extending vertically upwards from the bottom wall, the side wall and the bottom wall are surrounded to form a main body part, and the main body part is provided with a cavity opening outwards; the terminal seat comprises a second sealing piece attached to the edge of the main body part, the shell is provided with a plug-in part which is connected to the terminal seat and at least partially covers the cavity, a gap is formed between the inner wall of the plug-in part and the main body part of the terminal seat, and the second sealing piece is filled in the gap.
The further improvement scheme is as follows: the terminal seat comprises a first sealing element attached to the bottom wall, the terminal seat is provided with a mounting hole penetrating through the bottom wall, and the first sealing element is at least partially filled in the mounting hole.
The further improvement scheme is as follows: the terminal seat comprises a plurality of conductive terminals positioned in the main body part, and the conductive terminals are accommodated in the cavity.
The further improvement scheme is as follows: the conductive terminal is provided with a pin extending downwards through the mounting hole, and the pin penetrates through the first sealing piece.
The further improvement scheme is as follows: the first sealing member is provided with an insertion hole penetrating along the extending direction of the pin, and the size of the insertion hole is smaller than that of the pin.
The further improvement scheme is as follows: the conductive terminal is provided with a fishmouth-shaped opening, the electric tool is provided with an inserting sheet positioned at the bottom, and the opening receives the inserting sheet.
The further improvement scheme is as follows: the battery pack includes a circuit substrate between the terminal block and the battery cell and electrically connected to the battery cell, and the pins are connected to the circuit substrate.
The further improvement scheme is as follows: the terminal seat is provided with a positioning column protruding from the bottom wall towards the circuit substrate, and the positioning column is inserted onto the circuit substrate.
The further improvement scheme is as follows: the terminal seat is provided with a plurality of connecting pins extending downwards from the bottom and extension parts hooked outwards from the tail ends of the connecting pins, and the connecting pins penetrate through the circuit substrate and the extension parts are buckled on the bottom wall of the circuit substrate.
The further improvement scheme is as follows: the second sealing piece is an integrally surrounding type component, and the thickness of the second sealing piece in a free state is larger than a gap between the inner wall of the plug-in connection part and the main body part of the terminal seat.
Compared with the prior art, the utility model has the following beneficial effects: the terminal seat comprises a second sealing piece attached to the edge of the main body part, the shell is provided with a plug-in part which is connected to the terminal seat and at least partially covers the cavity, a gap is formed between the inner wall of the plug-in part and the main body part of the terminal seat, and the second sealing piece is filled in the gap. The arrangement of the first sealing element and the second sealing element ensures that the outside and the inside of the plug-in part of the battery pack are isolated, so that water stains, dust and the like outside the battery pack cannot enter the inside of the battery pack through the terminal seat, and the service life of the battery pack is prolonged.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings:
fig. 1 is a schematic view of a battery pack according to a preferred embodiment of the present utility model;
fig. 2 is a schematic view of the battery pack shown in fig. 1 with the upper case removed;
fig. 3 is a schematic view of a structure of a terminal block in the battery pack shown in fig. 1;
fig. 4 is a schematic view of the structure of the terminal block shown in fig. 3 with the conductive terminals removed;
FIG. 5-1 is a schematic view, partially broken away, of the battery pack shown in FIG. 1 in the direction A-A;
FIG. 5-2 is an enlarged view of a portion of the terminal block shown in FIG. 5-1;
FIG. 6-1 is a schematic view, partially broken away, of the battery pack shown in FIG. 1 in the direction B-B;
FIG. 6-2 is an enlarged view of a portion of the terminal block shown in FIG. 6-1;
Battery pack 100 case 1
Extension 10 plug 11
Lower housing 12 upper housing 13
Guide portion 15 of accommodation chamber 14
Terminal base 3 of battery unit 2
Bottom wall 32 of mounting hole 31
Side wall 33 main body 34
The first sealing member 4 is inserted into the hole 41
Second seal 5 conductive terminal 6
Pin 61 opening 62
Positioning column 8 of circuit substrate 7
Connecting pin 9
Detailed Description
The terminology used in the present utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. Words such as "upper", "lower", "front", "rear", etc., indicating an azimuth or a positional relationship are based on only the azimuth or the positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus/elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 to 6, a battery pack 100 according to a preferred embodiment of the present utility model is shown, wherein the battery pack 100 includes a housing 1, a battery unit 2 accommodated in the housing 1, and a terminal block 3 electrically coupled to the battery unit 2. Specifically, the housing 1 includes an upper housing 13 and a lower housing 12 that are connected to each other, the upper housing 13 and the lower housing 12 cooperate with each other to form a whole and have a receiving cavity 14 formed therein, and the battery unit 2 and the terminal block 3 are both received in the receiving cavity 14. The upper housing 13 and the lower housing 12 are fixed by screws.
The upper housing 13 is provided with guide portions 15 extending in a longitudinal direction, and in this embodiment, the guide portions 15 are slide rails distributed at both left and right ends of the upper housing 13 to guide the battery pack 100 to be slidably inserted, thereby realizing that the battery pack 100 is slidably connected to the electric tool/charging device. The electric tool and the charging equipment are provided with a plurality of inserting pieces for electric connection so as to be inserted into the terminal seat 3.
The battery pack 100 further includes a circuit substrate 7 located at the upper end of the battery cell 2, and the circuit substrate 7 is electrically connected to the battery cell 2. The battery pack 100 includes a plurality of conductive terminals 6 accommodated in the terminal holder 3, the conductive terminals 6 including a fishmouth-shaped opening 62 for sliding insertion of a tab and electrically connected to the circuit substrate 7, so that electric energy is transferred between the battery unit 2 and the electric tool/charging device via the conductive terminals 6.
In this embodiment, the terminal block 3 is provided with a bottom wall 32 and a side wall 33 extending vertically upwards from the bottom wall 32, the side wall 33 and the bottom wall 32 enclose a main body 34, the main body 34 has a cavity opening outwards, the conductive terminal 6 is accommodated in the cavity, the terminal block 3 includes a second sealing member 5 attached to the side wall 33, the housing 1 is provided with a plugging portion 11 connected to the terminal block 3 and at least partially covering the cavity, a gap is formed between an inner wall of the plugging portion 11 and the side wall 33 of the terminal block 3, and the second sealing member 5 is filled in the gap. Thereby ensuring that water, dust, etc. outside the battery pack 100 are isolated from the inside of the battery pack 100, and cannot enter the battery unit 2 through the terminal block 3, increasing the life of the battery pack 100.
The terminal base 3 is provided with a positioning column 8 protruding from the bottom wall 32 towards the circuit substrate 7, the positioning column 8 is inserted onto the circuit substrate 7, the terminal base 3 comprises a plurality of connecting pins 9 extending downwards from the bottom and extension parts 10 hooked outwards from the tail ends of the connecting pins 9, the connecting pins 9 penetrate through the circuit substrate 7, and the extension parts 10 are buckled on the bottom wall of the circuit substrate 7, so that stable electrical connection between the terminal base 3 and the circuit substrate 7 is ensured. The terminal seat 3 is initially positioned through a pair of positioning columns 8, and then is fixed through two connecting pins 9, so that the terminal seat is convenient to install and easy to operate.
The terminal seat 3 includes a first sealing member 4 attached to the bottom wall 32, the terminal seat 3 is provided with a mounting hole 31 penetrating through the bottom wall 32, and the first sealing member 4 is at least partially filled in the mounting hole 31, so as to ensure stable connection between the first sealing member 4 and the battery pack 100. The conductive terminals 6 are provided with pins extending downward through the mounting holes 31, which pins are provided to the first sealing member 4 and connected to the circuit substrate 7. The first sealing member 4 is provided with insertion holes 41 penetrating in the extending direction of the pins, and the insertion holes 41 have a smaller size than the pins, thereby ensuring that water does not flow into the interior of the battery pack 100 along the gaps therebetween after the terminals pass through the first sealing member 4, thereby protecting the electrical components inside the battery pack 100.
The second sealing member 5 is an integrally surrounding member, and the thickness of the second sealing member 5 in a free state is larger than the gap between the plugging portion 11 and the terminal seat 3, so that water, dust and the like entering from the plugging portion 11 cannot enter the battery pack 100 through the gap between the plugging portion 11 and the terminal seat 3.
In the present utility model, the terminal block 3 includes a second sealing member 5 attached to the side wall 33, the housing 1 is provided with a plug portion 11 connected to the terminal block 3, a gap is formed between an inner wall of the plug portion 11 and the side wall 33 of the terminal block 3, and the second sealing member 5 is filled in the gap. The arrangement of the first sealing member 4 and the second sealing member 5 ensures the isolation between the outside and the inside of the plugging portion 11 of the battery pack 100, so that water stains, dust and the like outside the battery pack 100 cannot enter the inside of the battery pack 100 through the terminal seat 3, and the service life of the battery pack 100 is prolonged.
The present utility model is not limited to the above-described embodiments. Those of ordinary skill in the art will readily appreciate that many alternatives to the battery pack of the present utility model are possible without departing from the spirit and scope of the present utility model. The protection scope of the present utility model is subject to the claims.
Claims (10)
1. The battery pack comprises a shell, a battery unit accommodated in the shell and a terminal seat electrically coupled to the battery unit, wherein the terminal seat is used for being connected to an electric tool and is provided with a bottom wall and a side wall extending vertically upwards from the bottom wall, the side wall and the bottom wall are surrounded to form a main body part, and the main body part is provided with a cavity opening outwards; the method is characterized in that: the terminal seat comprises a second sealing piece attached to the edge of the main body part, the shell is provided with a plug-in part which is connected to the terminal seat and at least partially covers the cavity, a gap is formed between the inner wall of the plug-in part and the main body part of the terminal seat, and the second sealing piece is filled in the gap.
2. The battery pack according to claim 1, wherein: the terminal seat comprises a first sealing element attached to the bottom wall, the terminal seat is provided with a mounting hole penetrating through the bottom wall, and the first sealing element is at least partially filled in the mounting hole.
3. The battery pack according to claim 2, wherein: the terminal seat comprises a plurality of conductive terminals positioned in the main body part, and the conductive terminals are accommodated in the cavity.
4. A battery pack according to claim 3, wherein: the conductive terminal is provided with a pin extending downwards through the mounting hole, and the pin penetrates through the first sealing piece.
5. The battery pack according to claim 4, wherein: the first sealing member is provided with an insertion hole penetrating along the extending direction of the pin, and the size of the insertion hole is smaller than that of the pin.
6. The battery pack according to claim 5, wherein: the conductive terminal is provided with a fishmouth-shaped opening, the electric tool is provided with an inserting sheet positioned at the bottom, and the opening receives the inserting sheet.
7. The battery pack according to claim 4, wherein: the battery pack includes a circuit substrate between the terminal block and the battery cell and electrically connected to the battery cell, and the pins are connected to the circuit substrate.
8. The battery pack according to claim 7, wherein: the terminal seat is provided with a positioning column protruding from the bottom wall towards the circuit substrate, and the positioning column is inserted onto the circuit substrate.
9. The battery pack according to claim 7, wherein: the terminal seat is provided with a plurality of connecting pins extending downwards from the bottom and extension parts hooked outwards from the tail ends of the connecting pins, and the connecting pins penetrate through the circuit substrate and the extension parts are buckled on the bottom wall of the circuit substrate.
10. The battery pack according to claim 1, wherein: the second sealing piece is an integrally surrounding type component, and the thickness of the second sealing piece in a free state is larger than a gap between the inner wall of the plug-in connection part and the main body part of the terminal seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323075301.4U CN221407547U (en) | 2023-11-14 | 2023-11-14 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323075301.4U CN221407547U (en) | 2023-11-14 | 2023-11-14 | Battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221407547U true CN221407547U (en) | 2024-07-23 |
Family
ID=91937458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323075301.4U Active CN221407547U (en) | 2023-11-14 | 2023-11-14 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221407547U (en) |
-
2023
- 2023-11-14 CN CN202323075301.4U patent/CN221407547U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |