CN219643050U - Battery pack with pin base - Google Patents
Battery pack with pin base Download PDFInfo
- Publication number
- CN219643050U CN219643050U CN202321304971.6U CN202321304971U CN219643050U CN 219643050 U CN219643050 U CN 219643050U CN 202321304971 U CN202321304971 U CN 202321304971U CN 219643050 U CN219643050 U CN 219643050U
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- China
- Prior art keywords
- pin
- pin terminal
- terminal
- half area
- battery pack
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- 238000005192 partition Methods 0.000 claims abstract description 31
- 230000004308 accommodation Effects 0.000 claims abstract description 19
- 230000007423 decrease Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 210000004027 cell Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The battery pack with the pin seat comprises a battery core main body, a circuit board and the pin seat with a pin surface, wherein the pin seat is connected to the circuit board, the left part and the right part of the pin surface are respectively provided with a first accommodating groove, the middle part of the pin surface is provided with a plurality of second accommodating grooves, and the first accommodating grooves are provided with partition plates so that the first accommodating grooves are divided into an upper half area and a lower half area; the upper half area and the lower half area of the first accommodation groove at the left part of the pin surface are respectively provided with a first pin terminal and a second pin terminal, the upper half area and the lower half area of the first accommodation groove at the right part of the pin surface are respectively provided with a third pin terminal and a fourth pin terminal, and at least one second accommodation groove is internally provided with a charging terminal electrically connected to the circuit board. According to the scheme, the first accommodating groove and the partition plate are formed in the pin seat, so that the first pin terminal, the second pin terminal, the third pin terminal and the fourth pin terminal are mutually separated, the problem of false touch and short circuit is effectively avoided, and the protection effect is good.
Description
Technical Field
The utility model relates to the technical field of battery packs, in particular to a battery pack with a pin base.
Background
The battery pack can supply power for the wireless electric tool, and the battery pack is widely applied due to the advantages of convenience, detachability and the like. In the using process of the battery pack, a pin piece arranged on the battery pack is generally connected with a power supply device of the electric tool, so that the power supply function is realized.
Currently, some battery packs are equipped with two sets of electric core groups to realize dual-voltage power supply, which results in a multiple increase in the number of pins of such dual-voltage battery packs, i.e. at least two sets of positive and negative pins. The positive and negative electrode pin sheets of the existing double-voltage battery pack are mostly exposed, so that the problem of false touch and short circuit often occurs when a power supply device of an electric tool is connected.
Disclosure of Invention
The utility model aims to solve the problems that the number of the pin pieces of the double-voltage battery pack in the prior art is large and the pin pieces are exposed, so that false touch and short circuit are easy to occur.
In order to solve the above problems, the present utility model provides a battery pack with a lead frame, which comprises a battery core main body and a circuit board, wherein the circuit board is electrically connected to the battery core main body, the battery pack further comprises a lead frame with a lead frame, the lead frame is connected to the circuit board, the left part and the right part of the lead frame are respectively provided with a first accommodating groove, the middle part of the lead frame is provided with a plurality of second accommodating grooves, and the first accommodating grooves are provided with a partition plate so that the first accommodating grooves are divided into an upper half area and a lower half area; the upper half area and the lower half area of the first accommodation groove at the left part of the pin surface are respectively provided with a first pin terminal and a second pin terminal, the upper half area and the lower half area of the first accommodation groove at the right part of the pin surface are respectively provided with a third pin terminal and a fourth pin terminal, the first pin terminal, the second pin terminal, the third pin terminal and the fourth pin terminal are all connected to the circuit board from one side of the pin seat far away from the pin surface, and at least one second accommodation groove is internally provided with a charging terminal electrically connected to the circuit board.
Compared with the prior art, the scheme is characterized in that the first accommodating groove and the partition plate are arranged on the pin seat, so that the first pin terminal, the second pin terminal, the third pin terminal and the fourth pin terminal are mutually separated, the problem of false touch and short circuit of the power supply device of the electric tool during connection is effectively avoided, and the protection effect is good.
Preferably, the pin seat is detachably connected to the upper side surface of the circuit board, and the upper half area separated by the first accommodating groove by the partition plate is smaller than the lower half area, so that the pin seat is more humanized in use, and most of use scenes are met.
Preferably, the partition board is obliquely arranged, so that the height of the partition board gradually descends along the direction away from the pin surface, and when the power supply device of the electric tool is inserted into the pin seat from the upper part, the partition board can play a guiding role, and the connection between the power supply device and the pin seat is more compact.
Preferably, the height of one end of the partition board, which is close to the pin surface, exceeds 2/3 of the total height of the first accommodating groove, and the height of one end of the partition board, which is far away from the pin surface, is 1/2-2/3 of the total height of the first accommodating groove, so that the upper half area and the lower half area of the first accommodating groove, which are separated by the partition board, are more balanced, and the plugging of a power supply device of the electric tool is facilitated.
Preferably, the first pin terminal, the second pin terminal, the third pin terminal and the fourth pin terminal each include a transverse section disposed in the first accommodation groove in a transverse direction and a vertical section connected to the circuit board in a vertical direction, and the vertical section is connected to one end of the transverse section away from the pin surface.
Preferably, a gap is reserved between one end of the partition plate, which is far away from the pin surface, and the side wall of the first accommodating groove, the transverse section length of the first pin terminal and the transverse section length of the third pin terminal are larger than those of the second pin terminal and the fourth pin terminal, and the vertical sections of the first pin terminal and the third pin terminal respectively penetrate through the gap between the corresponding partition plate and the side wall of the first accommodating groove, so that reasonable layout and compact structure are ensured.
Preferably, the first and second pin terminals provide one set of voltages and the third and fourth pin terminals provide another set of voltages; or the first and third pin terminals provide one set of voltages and the second and fourth pin terminals provide another set of voltages.
Preferably, the left side wall and the right side wall, close to the pin surface, of the upper half area and the lower half area of the first accommodating groove are respectively provided with a convex limiting block, so that limiting of the first pin terminal, the second pin terminal, the third pin terminal and the fourth pin terminal is realized.
Drawings
FIG. 1 is an overall schematic of a battery pack with a lead frame;
FIG. 2 is a schematic diagram of a first view of a lead frame of a battery pack with a lead frame;
FIG. 3 is a schematic diagram of a second view of a lead frame of a battery pack with a lead frame;
FIG. 4 is a schematic top view of a pin holder of a battery pack with a pin holder;
FIG. 5 is a schematic cross-sectional view taken along section line A-A of FIG. 4;
FIG. 6 is a schematic top view of a circuit board of a battery pack with a lead frame;
fig. 7 is a schematic view of a first pin terminal of a battery pack with a pin base.
The reference numerals are used to describe the components,
1. a cell body; 2. a circuit board; 21. a mounting hole; 3. a pin base; 31. a pin surface; 32. a first accommodation groove; 33. a second accommodation groove; 34. a partition plate; 35. a limiting block; 36. a mounting pin; 41. a first pin terminal; 42. a second pin terminal; 43. a third pin terminal; 44. a fourth pin terminal; 45. a charging terminal; 4a, a transverse section; 4b, vertical section.
Detailed Description
In order that the above objects, features and advantages of the present utility model will be readily apparent, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, as illustrated in the appended drawings, it is to be understood that the embodiments described are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be further noted that, in the embodiments of the present utility model, all directional indications (such as up, down, left, right, front, back, inner, and outer) are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is correspondingly changed.
Referring to fig. 1-7, a battery pack with a lead frame provided in an embodiment of the present utility model includes a battery core main body 1 and a circuit board 2, wherein the circuit board 2 is electrically connected to the battery core main body 1, and further includes a lead frame 3 with a lead frame 31, the lead frame 3 is connected to the circuit board 2, a first receiving groove 32 is provided at the left and right of the lead frame 31, a plurality of second receiving grooves 33 are provided at the middle of the lead frame 31, and a partition 34 is provided at the first receiving groove 32 to divide the first receiving groove 32 into an upper half and a lower half; the upper half area and the lower half area of the first accommodation groove 32 at the left part of the pin face 31 are respectively provided with a first pin terminal 41 and a second pin terminal 42, the upper half area and the lower half area of the first accommodation groove 32 at the right part of the pin face 31 are respectively provided with a third pin terminal 43 and a fourth pin terminal 44, the first pin terminal 41, the second pin terminal 42, the third pin terminal 43 and the fourth pin terminal 44 are all connected to the circuit board 2 from one side of the pin seat 3 far from the pin face 31, and at least one second accommodation groove 33 is internally provided with a charging terminal 45 electrically connected to the circuit board 2.
Compared with the prior art, the first accommodation groove 32 and the partition 34 are arranged on the pin seat 3, so that the first pin terminal 41, the second pin terminal 42, the third pin terminal 43 and the fourth pin terminal 44 are mutually separated, the problems of false touch and short circuit of a power supply device of the electric tool during connection are effectively avoided, and the protection effect is good.
In this embodiment, the underside of the pin holder 3 is provided with a plurality of protruding mounting pins 36, and the upper side of the circuit board 2 is provided with mounting holes 21 for inserting the positioning pins 36, so as to realize detachable connection of the pin holder 3 and the circuit board 2. The lead surface 31 is located on the front side of the lead frame 3. The partition 34 divides the first receiving groove 32 into an upper half area smaller than a lower half area, so that the first receiving groove is more humanized in use and meets most of use scenes.
As an optimization of the present embodiment, the partition 34 is inclined so that the height of the partition 34 gradually decreases in a direction away from the pin surface 31, so that when the power supply device of the power tool is inserted into the pin seat 3 from above, the partition 34 can play a guiding role, and the connection between the power supply device and the pin seat 3 is ensured to be tighter. Further, the height of the end of the partition 34 close to the pin surface 31 is 2/3 of the total height of the first accommodating groove 32, and the height of the end of the partition 34 far away from the pin surface 31 is 1/2 of the total height of the first accommodating groove 32, so that the upper half area and the lower half area of the first accommodating groove 32 separated by the partition 34 are more balanced, and the plugging of a power supply device of the electric tool is facilitated.
In the present embodiment, the first pin terminal 41, the second pin terminal 42, the third pin terminal 43, and the fourth pin terminal 44 each include a transverse section 4a disposed in the first accommodation groove 32 in the transverse direction and a vertical section 4b connected to the circuit board 2 in the vertical direction, the vertical section 4b being connected to an end of the transverse section 4a remote from the pin face 31. A gap is reserved between one end of the partition plate 34, which is far away from the pin surface 31, and the side wall of the first accommodating groove 32, the lengths of the transverse sections 4a of the first pin terminal 41 and the third pin terminal 43 are larger than those of the transverse sections 4a of the second pin terminal 42 and the fourth pin terminal 44, and the vertical sections 4b of the first pin terminal 41 and the vertical sections 4b of the third pin terminal 43 respectively penetrate through the corresponding partition plate 34 and the gap between the side walls of the first accommodating groove 32, so that reasonable layout and compact structure are ensured.
As an optimization of the present embodiment, the left and right side walls of the upper and lower half regions of the first accommodation groove 32, which are close to the pin surface 31, are provided with protruding stoppers 35, thereby realizing the stopper effect on the first, second, third and fourth pin terminals 41, 42, 43 and 44.
In the present embodiment, the cell main body 1 includes two sets of cells, the first pin terminal 41 is electrically connected to the positive electrode of one of the sets of cells through the circuit board 2 and the second pin terminal 42 is electrically connected to the negative electrode of the same set of cells through the circuit board 2, so that a set of voltages is supplied from the first pin terminal 41 and the second pin terminal 42; the third pin terminal 43 is electrically connected to the positive electrode of another set of cells therein via the circuit board 2 and the fourth pin terminal 44 is electrically connected to the negative electrode of the same set of cells via the circuit board 2, the third pin terminal 43 and the fourth pin terminal 44 providing another set of voltages.
Of course, in other embodiments, one set of voltages may be provided by the first pin terminal 41 and the third pin terminal 43, and the other set of voltages may be provided by the second pin terminal 42 and the fourth pin terminal 44.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.
Claims (8)
1. The battery pack with the pin base comprises a battery core main body (1) and a circuit board (2), wherein the circuit board (2) is electrically connected to the battery core main body (1), and is characterized by further comprising a pin base (3) with a pin face (31), the pin base (3) is connected to the circuit board (2), first accommodating grooves (32) are formed in the left part and the right part of the pin face (31), a plurality of second accommodating grooves (33) are formed in the middle of the pin face (31), and a partition plate (34) is arranged in the first accommodating groove (32) so that the first accommodating groove (32) is divided into an upper half area and a lower half area; the upper half area and the lower half area of the first accommodation groove (32) at the left part of the pin surface (31) are respectively provided with a first pin terminal (41) and a second pin terminal (42), the upper half area and the lower half area of the first accommodation groove (32) at the right part of the pin surface (31) are respectively provided with a third pin terminal (43) and a fourth pin terminal (44), the first pin terminal (41), the second pin terminal (42), the third pin terminal (43) and the fourth pin terminal (44) are respectively connected to the circuit board (2) from one side of the pin seat (3) far away from the pin surface (31), and the at least one second accommodation groove (33) is internally provided with a charging terminal (45) electrically connected to the circuit board (2).
2. The battery pack with the pin holder according to claim 1, wherein the pin holder (3) is detachably connected to the upper side of the circuit board (2), and the partition (34) divides the first receiving groove (32) into an upper half area smaller than a lower half area.
3. A battery pack with a lead frame according to claim 1 or 2, wherein the separator (34) is inclined so that the height of the separator (34) gradually decreases in a direction away from the lead frame (31).
4. A battery pack with a lead frame according to claim 3, wherein the height of the end of the partition plate (34) near the lead frame (31) exceeds 2/3 of the total height of the first receiving groove (32), and the height of the end of the partition plate (34) far from the lead frame (31) is 1/2 to 2/3 of the total height of the first receiving groove (32).
5. The battery pack with the pin holder according to claim 1, wherein the first pin terminal (41), the second pin terminal (42), the third pin terminal (43) and the fourth pin terminal (44) each include a transverse section (4 a) disposed in the first accommodation groove (32) in a transverse direction and a vertical section (4 b) connected to the circuit board (2) in a vertical direction, the vertical section (4 b) being connected to an end of the transverse section (4 a) remote from the pin face (31).
6. The battery pack with the pin holder according to claim 5, wherein a gap is left between one end of the partition plate (34) away from the pin face (31) and the side wall of the first accommodating groove (32), the lengths of the transverse sections (4 a) of the first pin terminal (41) and the third pin terminal (43) are longer than those of the transverse sections (4 a) of the second pin terminal (42) and the fourth pin terminal (44), and the vertical sections (4 b) of the first pin terminal (41) and the vertical sections (4 b) of the third pin terminal (43) are respectively arranged through the gap between the corresponding partition plate (34) and the side wall of the first accommodating groove (32).
7. The battery pack with the pin base according to claim 1, wherein the first pin terminal (41) and the second pin terminal (42) provide one set of voltages, and the third pin terminal (43) and the fourth pin terminal (44) provide another set of voltages; or the first pin terminal (41) and the third pin terminal (43) provide one set of voltages and the second pin terminal (42) and the fourth pin terminal (44) provide another set of voltages.
8. The battery pack with the pin base according to claim 1, wherein the left side wall and the right side wall of the upper half area and the lower half area of the first accommodating groove (32) close to the pin surface (31) are respectively provided with a convex limiting block (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321304971.6U CN219643050U (en) | 2023-05-26 | 2023-05-26 | Battery pack with pin base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321304971.6U CN219643050U (en) | 2023-05-26 | 2023-05-26 | Battery pack with pin base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219643050U true CN219643050U (en) | 2023-09-05 |
Family
ID=87817745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321304971.6U Active CN219643050U (en) | 2023-05-26 | 2023-05-26 | Battery pack with pin base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219643050U (en) |
-
2023
- 2023-05-26 CN CN202321304971.6U patent/CN219643050U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |