Split type battery pack

Abstract

The utility model discloses a split type battery pack. The split type battery pack comprises a power supply shell; a socket housing; the detachable structure comprises two operation units which are oppositely arranged, and each operation unit comprises an installation part, a pressing part and a movable plate; the pressing piece is telescopically and movably arranged on the mounting piece, the first end of the movable plate is connected with the pressing piece, and a clamping hook piece is arranged at the second end of the movable plate; a first elastic piece is arranged between the clamping hook piece and the pressing piece of the other operation unit close to the clamping hook piece. The installation part is arranged on the power supply shell, and the socket shell is provided with a clamping groove structure matched with the clamping hook part. The split type battery pack disclosed by the utility model is simple in structure, convenient to install and high in replaceability, the battery pack can be disassembled, assembled and replaced according to an electric tool, and the adaptability is better.

Description

Technical Field

[0001] The utility model relates to the technical field of battery packs, in particular to a split battery pack. Background Art

[0002] At present, electric tools can be generally divided into plug-in type and rechargeable battery type according to the power type. Electric tools have been greatly facilitated due to the development of battery technology. In the prior art, electric tools are usually equipped with rechargeable battery packs so that workers can carry electric tools to work. Traditional battery packs are provided with a buckle part for locking to the electric tool. When replacing the battery pack, just press the button on the battery pack to release the locking state between the buckle part and the electric tool. However, different styles and types of electric tools often require different power supply devices and connector structures for their battery packs, which makes it difficult to disassemble and replace the battery packs, and the adaptability is poor. Utility Model Content

[0003] The purpose of the utility model is to provide a split battery pack designed to address the deficiencies of the above-mentioned technology. The battery pack has a simple structure, is easy to install, and is highly replaceable. The battery pack can be disassembled, assembled, and replaced according to the power tool, and has good adaptability.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a split battery pack, comprising:

[0005] A power supply housing, wherein a battery cell group is installed in the power supply housing, and the power supply housing is provided with a docking interface electrically connected to the battery cell group;

[0006] A socket shell, wherein a docking connector, a charge and discharge port, and a control board are installed in the socket shell, wherein the docking connector and the charge and discharge port are respectively arranged on the control board and are electrically connected to the control board, and a portion of the docking connector extending out of the socket shell is plugged and matched with the docking port;

[0007] A detachable structure, the detachable structure includes two relatively arranged operating units, the operating units include a mounting piece, a pressing piece, and a movable plate; the pressing piece is telescopically and movably arranged on the mounting piece, the first end of the movable plate is connected to the pressing piece, and the second end of the movable plate is provided with a hook piece; a first elastic piece is provided between the hook piece and the pressing piece of another operating unit adjacent to it; the mounting piece is provided on the power supply housing, and a slot structure cooperating with the hook piece is provided on the socket housing, or the mounting piece is provided on the socket housing, and a slot structure cooperating with the hook piece is provided on the power supply housing.

[0008] Preferably, a mounting groove is formed on the top outer edge of the power supply housing, and a mounting ring is formed on the bottom outer edge of the socket housing, and the mounting ring is inserted into the mounting groove.

[0009] Preferably, the mounting piece is fixedly connected to the mounting ring, and the slot structure is provided on the inner wall of the mounting groove at a position corresponding to the mounting piece.

[0010] Preferably, a movable groove is provided on the inner wall of the socket shell, and opposite sides of the two movable plates are abutted and matched and slidably connected in the movable groove.

[0011] Preferably, support structures are provided on the inner wall of the socket housing at two sides corresponding to the movable groove, and the support structures are used to support the control board, and a clearance fit or a contact fit is formed between the control board and the movable board.

[0012] Preferably, a guide structure is provided between the movable plate and the movable groove, the guide structure comprising a guide portion and a guide groove, the guide groove extends along the length direction of the movable groove, and the guide portion is slidably connected in the guide groove; the guide portion is provided on the inner wall of the movable groove, and the guide groove is opened on the movable plate; or the guide portion is provided on the movable plate, and the guide groove is opened on the inner wall of the movable groove.

[0013] Preferably, a first centering shaft and a second centering shaft are coaxially arranged on opposite sides of the hook member and the pressing member, the first elastic member is a spring structure, and two ends of the first elastic member are respectively sleeved on the first centering shaft and the second centering shaft.

[0014] Preferably, a slot is formed on the inner wall of the pressing member, and a plug-in plugged into the slot is formed on the first end of the movable plate.

[0015] Preferably, the mounting member is penetrated by a through hole for the pressing member to be slidably connected, the inner wall of the through hole is provided with a positioning groove, and the outer edge of the pressing member is provided with a positioning portion inserted into the positioning groove.

[0016] Preferably, a movable hole is opened on the socket shell, a button member is movably connected to the socket shell, the button member is provided with a clamping member plugged into the movable hole, and a second elastic member is provided between the button member and the inner wall of the socket shell.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model provides a split battery pack, which realizes the alignment assembly of a power housing and a socket housing through a detachable structure. The battery pack has a simple structure, is easy to install, and has strong replaceability. The battery pack can be disassembled, assembled, and replaced according to the electric tool, and has good adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the battery pack in the embodiment;

[0020] Figure 2 is a cross-sectional view of the battery pack in the embodiment;

[0021] Figure 3 is a schematic diagram of the structure of a power supply housing and a socket housing in an embodiment;

[0022] Figure 4 is a cross-sectional view of the socket housing when two hook members in the embodiment are close to each other;

[0023] Figure 5 is a cross-sectional view of the socket housing when two hook members in the embodiment are away from each other;

[0024] Figure 6 is an exploded view of the socket housing in the embodiment.

[0025] In the figure: 1. power supply housing; 101. mounting groove; 102. limiting groove; 2. socket housing; 201. mounting ring; 202. movable groove; 203. supporting structure; 204. movable hole; 3. mounting member; 301. limiting part; 302. through hole; 303. positioning groove; 4. pressing member; 401. slot; 402. positioning part; 5. movable plate; 501. hook member; 502. plug-in; 6. battery cell group; 7. docking interface; 8. docking connector; 9. charging and discharging port; 10. control board; 11. first elastic member; 12. slot structure; 13. guide part; 14. guide groove; 15. first centering shaft; 16. second centering shaft; 17. button member; 1701. snap-on member; 18. second elastic member. DETAILED DESCRIPTION

[0026] The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings.

[0027] refer to Figures 1 to 6 A split battery pack includes a power housing 1, a socket housing 2 and a detachable structure. The socket housing 2 is located above the power housing 1, and the power housing 1 and the socket housing 2 are assembled in position through the detachable structure.

[0028] A battery pack 6 is installed in the power supply housing 1, and a docking interface 7 electrically connected to the battery pack 6 is provided on the top surface of the power supply housing 1. The docking interface 7 includes a plurality of interface slots, and an elastic conductive sheet is provided in the interface slots. Preferably, the number of the interface slots is four.

[0029] The socket housing 2 is provided with a docking connector 8, a charge and discharge port 9 and a control board 10. The docking connector 8 and the charge and discharge port 9 are respectively arranged on the control board 10 and are electrically connected to the control board 10. The docking connector 8 includes a plurality of connector pieces, which are inserted into corresponding interface grooves and connected to elastic conductive pieces, so that the portion of the docking connector 8 extending out of the bottom of the socket housing 2 is plugged into the docking interface 7 to achieve electrical connection between the control board 10 and the battery pack 6. The control board 10 is used to control the discharge or charge of the battery pack 6. The docking portion of the charge and discharge port 9 is arranged at the top of the socket housing 2. The socket housing 2 is provided with an active hole 204, and the socket housing 2 is movably connected with a button member 17, and the button member 17 is provided with a clamping member 1701 plugged into the active hole 204, and a second elastic member 18 is provided between the button member 17 and the inner wall of the socket housing 2, and the second elastic member 18 is a spring structure. Under the action of the second elastic member 18, the clamping member 1701 extends out of the active hole 204 to be engaged with the electric tool buckle, so that the plug of the electric tool and the charging and discharging port 9 are aligned and plugged to achieve electrical connection. Under the control of the control board 10, the battery pack 6 charges the electric tool through the charging and discharging port 9. By applying pressure to the button member 17 to squeeze the second elastic member 18, the button member 17 drives the clamping member 1701 to retreat into the active hole 204 and disengage from the electric tool.

[0030] The detachable structure includes two relatively arranged operating units. A mounting ring 201 is formed on the bottom outer edge of the socket shell 2. The two operating units are arranged on the mounting ring 201. A mounting groove 101 is formed on the top outer edge of the power supply shell 1. The mounting ring 201 is inserted into the mounting groove 101 to guide the power supply shell 1 and the socket shell 2 to be assembled together in the correct position.

[0031] The operating unit includes a mounting member 3, a pressing member 4 and a movable plate 5. The mounting member 3 is fixedly connected to the mounting ring 201. The mounting member 3 has a through hole 302 for the pressing member 4 to be slidably connected, so that the pressing member 4 can be telescopically and movably arranged on the mounting member 3.

[0032] refer to Figure 4 , Figure 5A slot 401 is provided on the inner wall of the mounting member 3, a plug-in 502 is formed at the first end of the movable plate 5 and is inserted into the slot 401, so that the first end of the movable plate 5 is connected to the pressing member 4, a hook member 501 is provided at the second end of the movable plate 5, a first elastic member 11 is provided between the hook member 501 and the pressing member 4 of another operating unit close to it, a first centering shaft 15 and a second centering shaft 16 are coaxially provided on the opposite sides of the hook member 501 and the pressing member 4, the first elastic member 11 is a spring structure, and the first elastic member The two ends of 11 are respectively sleeved on the first centering shaft 15 and the second centering shaft 16 to guide the telescopic movement of the first elastic member 11. Under the action of the first elastic member 11, the pressing member 4 has a tendency to extend out of the outside of the mounting member 3. Preferably, a positioning groove 303 is provided on the inner wall of the through hole 302, and a positioning portion 402 inserted into the positioning groove 303 is provided on the outer edge of the pressing member 4. The positioning portion 402 is in contact with the inner wall of the positioning groove 303 to limit the telescopic movement of the pressing member 4 and prevent the pressing member 4 from being separated from the mounting member 3.

[0033] A movable groove 202 is provided on the inner wall of the socket housing 2, and the opposite sides of the two movable plates 5 are in abutment with each other and are slidably connected in the movable groove 202 to guide the movable plates 5 to slide and move individually along the length direction of the movable groove 202. A slot structure 12 that cooperates with the hook member 501 is provided on the inner wall of the installation groove 101 at a position corresponding to the mounting member 3, and limiting grooves 102 are provided on both sides of the inner wall of the installation groove 101 corresponding to the slot structure 12. The mounting member 3 is provided with a limiting portion 301 that is inserted into the limiting groove 102; when the power supply housing 1 and the socket housing 2 are aligned and assembled, the limiting portion 301 on the mounting member 3 is inserted into the corresponding limiting groove 102 to guide the socket housing 2 to approach the power supply housing 1, and the docking connector 8 is plugged into the docking interface 7. By pressing the two pressing members 4, the pressing member 4 overcomes the first elastic member 11 to drive the movable plate 5 connected thereto to move horizontally, and the hook portion and its corresponding pressing member 4 The distance between the two is reduced and the first elastic member 11 between the two is squeezed, and the two hook members 501 move away from each other to prevent the two hook members 501 from interfering with the alignment assembly between the power housing 1 and the socket housing 2, until the power housing 1 and the socket housing 2 are docked, the mounting ring 201 and the inner wall of the mounting groove 101 are matched, and the two pressing members 4 are released. The first elastic member 11 restores its deformation to drive the pressing member 4 to move outward, and the distance between the hook portion and the corresponding pressing member 4 is enlarged to allow the first elastic member 11 to restore its deformation, and the two hook members 501 approach each other, and the two hook members 501 are respectively inserted into the two slot structures 12 to lock the connection state between the power housing 1 and the socket housing 2.

[0034] The battery pack has a simple structure, is easy to install, and is highly replaceable. The battery pack can be disassembled, assembled, and replaced according to the electric tool, and has good adaptability.

[0035] refer to Figure 2 , Figure 6 A supporting structure 203 is provided on the inner wall of the socket housing 2 at both sides corresponding to the movable groove 202. The supporting structure 203 is used to support the control board 10. A clearance fit or a contact fit is formed between the control board 10 and the movable plate 5, and the two movable plates 5 are restricted in the movable groove 202, so that the sliding movement of the movable plate 5 is more stable.

[0036] A guide structure is arranged between the movable plate 5 and the movable groove 202, and the guide structure includes a guide portion 13 and a guide groove 14. The guide groove 14 extends along the length direction of the movable groove 202, and the guide portion 13 is slidably connected in the guide groove 14. The guide portion 13 is arranged on the inner wall of the movable groove 202, and the guide groove 14 is opened on the movable plate 5. The guide structure is used to limit the movable plate 5 in the movable groove 202 and guide the movable plate 5 to move translationally along the length direction of the movable groove 202.

[0037] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A split battery pack, characterized in that: include: A power supply housing (1), wherein a battery cell group (6) is installed in the power supply housing (1), and the power supply housing (1) is provided with a docking interface (7) electrically connected to the battery cell group (6); A socket shell (2), wherein a docking connector (8), a charge and discharge port (9) and a control panel (10) are installed in the socket shell (2); the docking connector (8) and the charge and discharge port (9) are respectively arranged on the control panel (10) and are electrically connected to the control panel (10); a portion of the docking connector (8) extending out of the socket shell (2) is plugged into and matched with the docking port (7); A detachable structure, the detachable structure comprises two operating units arranged opposite to each other, the operating units comprising a mounting member (3), a pressing member (4), and a movable plate (5); the pressing member (4) is flexibly and movably arranged on the mounting member (3), the first end of the movable plate (5) is connected to the pressing member (4), and the second end of the movable plate (5) is provided with a hook member (501); a first elastic member (11) is provided between the hook member (501) and the pressing member (4) of another operating unit adjacent to it; the mounting member (3) is arranged on the socket housing (2), and the power supply housing (1) is provided with a slot structure (12) cooperating with the hook member (501), or the mounting member (3) is arranged on the power supply housing (1), and the socket housing (2) is provided with a slot structure (12) cooperating with the hook member (501).

2. A split battery pack according to claim 1, characterized in that: The top outer edge of the power supply housing (1) is formed with a mounting groove (101), and the bottom outer edge of the socket housing (2) is formed with a mounting ring (201), and the mounting ring (201) is inserted into the mounting groove (101).

3. A split battery pack according to claim 2, characterized in that: The mounting member (3) is fixedly connected to the mounting ring (201), and the inner wall of the mounting groove (101) is provided with the clamping groove structure (12) at a position corresponding to the mounting member (3).

4. A split battery pack according to claim 1, characterized in that: A movable groove (202) is provided on the inner wall of the socket housing (2), and the opposite sides of the two movable plates (5) are in abutment with each other and are slidably connected in the movable groove (202).

5. A split battery pack according to claim 4, characterized in that: Support structures (203) are provided on the inner wall of the socket housing (2) at two sides corresponding to the movable groove (202), and the support structures (203) are used to support the control board (10), and a clearance fit or a contact fit is formed between the control board (10) and the movable board (5).

6. A split battery pack according to claim 4, characterized in that: A guide structure is provided between the movable plate (5) and the movable groove (202), the guide structure comprising a guide portion (13) and a guide groove (14), the guide groove (14) extending along the length direction of the movable groove (202), the guide portion (13) being slidably connected in the guide groove (14); the guide portion (13) being provided on the inner wall of the movable groove (202), and the guide groove (14) being provided on the movable plate (5); or the guide portion (13) being provided on the movable plate (5), and the guide groove (14) being provided on the inner wall of the movable groove (202).

7. A split battery pack according to claim 1, characterized in that: A first centering shaft (15) and a second centering shaft (16) are coaxially arranged on opposite sides of the hook member (501) and the pressing member (4); the first elastic member (11) is a spring structure; two ends of the first elastic member (11) are respectively sleeved on the first centering shaft (15) and the second centering shaft (16).

8. The split battery pack according to claim 1, characterized in that: The inner wall of the pressing member (4) is provided with a slot (401), and the first end of the movable plate (5) is formed with a plug-in unit (502) plugged into the slot (401).

9. The split battery pack according to claim 1, characterized in that: The mounting member (3) is penetrated by a through hole (302) for sliding connection with the pressing member (4); a positioning groove (303) is provided on the inner wall of the through hole (302); and a positioning portion (402) is provided on the outer edge of the pressing member (4) for insertion into the positioning groove (303).

10. The split battery pack according to claim 1, characterized in that: The socket shell (2) is provided with a movable hole (204), the socket shell (2) is movably connected with a button member (17), the button member (17) is provided with a clamping member (1701) plugged into the movable hole (204), and a second elastic member (18) is provided between the button member (17) and the inner wall of the socket shell (2).

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