Battery pack locking device, battery pack assembly and handheld device

Abstract

The utility model belongs to the technical field of battery packs, and specifically provides a battery pack locking device, including a battery seat, a connecting rod, a movable fastener and a connecting seat; a battery pack fixing groove is provided in the battery seat; a battery pack mounting hole matching the battery pack fixing groove is provided on the connecting seat; one end of the connecting rod is connected to the connecting seat, and the other end is rotatably connected to the movable fastener; a card slot matching the movable fastener is provided at the bottom of the battery seat; the connecting seat is detachably mounted on the battery seat through the movable fastener and the card slot. The device has a simple structure and is easy to install. When in use, the connecting seat is connected to the host of the handheld device, and the battery pack is installed in the battery seat and the host housing. The connection and disassembly of the battery seat and the connecting seat can be conveniently and quickly achieved through the locking assembly composed of the connecting rod, the movable fastener and the card slot. The locking assembly uses the connecting rod to switch to clamp the battery seat between the connecting seat and the movable fastener, thereby improving the connection tightness of the device.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery packs, and in particular relates to a battery pack locking device, a battery pack assembly and a handheld device. Background Art

[0002] Some existing power tools need to be operated outdoors or in the wild, but cannot be used in areas where power supply is not widely available outdoors or in the wild. In order to use such equipment that requires an external power supply normally, users will equip it with a suitable battery pack. The battery pack is generally provided with a lock structure to fix it after installing the battery. The existing battery pack lock is easy to open by mistake, or the battery pack may fall out due to collision or falling during the use of the power tool, causing damage to the battery pack and affecting the use of the tool. Utility Model Content

[0003] The utility model aims to overcome the problem in the prior art that the battery pack lock buckle is easily opened by mistake.

[0004] To this end, the utility model provides a battery pack locking device, including a battery seat, a connecting rod, a movable fastener and a connecting seat; a battery pack fixing groove is provided in the battery seat; a battery pack mounting hole matching the battery pack fixing groove is provided on the connecting seat; one end of the connecting rod is connected to the connecting seat, and the other end is rotatably connected to the movable fastener; a card slot matching the movable fastener is provided at the bottom of the battery seat; the connecting seat can be detachably mounted on the battery seat through the movable fastener and the card slot.

[0005] Specifically, one end of the connecting rod is rotatably connected to the connecting seat via a rotating shaft.

[0006] Specifically, the side wall of the battery holder is provided with a limiting groove matching the connecting rod.

[0007] Specifically, the limiting groove is communicated with the clamping groove.

[0008] Specifically, one end of the movable fastener away from the connecting seat is an arc-shaped structure.

[0009] Specifically, a sealing ring is provided on the inner wall of the battery pack installation hole.

[0010] Specifically, a battery pressing plate for fixing the battery pack is provided in the battery pack fixing groove of the battery holder.

[0011] The utility model also provides a battery pack assembly, including a battery pack and the above-mentioned battery pack locking device; one end of the battery pack is fixed in the battery pack fixing groove of the battery seat after passing through the battery pack mounting hole of the connecting seat.

[0012] The utility model also provides a handheld device, including a host and the above-mentioned battery pack assembly; the host is provided with a battery pack installation slot; one end of the battery pack away from the battery seat is inserted into the battery pack installation slot; the connecting seat is fixedly connected to the host.

[0013] Specifically, a sealing gasket is provided at the connection between the connection seat and the host.

[0014] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0015] The battery pack locking device provided by the utility model has a simple structure and is easy to install. When in use, the connecting seat is connected to the host of the handheld device, and the battery pack is installed in the battery seat and the host shell. The battery seat and the connecting seat are connected and disassembled conveniently and quickly by means of a locking assembly composed of a connecting rod, a movable fastener and a card slot. When the locking assembly is locked, the battery pack is firmly locked in the battery seat and the host shell. The battery pack can only be removed by unlocking, which is not easy to operate by mistake. After the battery pack is locked, it can resist falling and will not fall out. The locking assembly uses a connecting rod to switch to clamp the battery seat between the connecting seat and the movable fastener, thereby improving the tightness of the device connection. In addition, the provision of a sealing ring and a sealing gasket improves the sealing and waterproof properties of the device.

[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a cross-sectional view of the battery pack locking device provided by the utility model.

[0018] Figure 2 It is an exploded diagram of the handheld device provided by the utility model.

[0019] Explanation of the reference numerals: 1. battery holder; 101. battery pressure plate; 102. card slot; 103. limit slot; 104. battery pack fixing slot; 2. connecting seat; 3. connecting rod; 4. movable fastener; 5. rotating shaft; 6. sealing ring; 7. sealing gasket; 8. battery pack; 9. host. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0022] Reference Figure 1-2 The utility model provides a battery pack locking device, including a battery seat 1, a connecting rod 3, a movable fastener 4 and a connecting seat 2; the battery seat 1 is provided with a battery pack fixing groove 104; the connecting seat 2 is provided with a battery pack mounting hole matching the battery pack fixing groove 104; one end of the connecting rod 3 is connected to the connecting seat 2, and the other end is rotatably connected to the movable fastener 4; the bottom of the battery seat 1 is provided with a card slot 102 matching the movable fastener 4; the connecting seat 2 is detachably mounted on the battery seat 1 through the movable fastener 4 and the card slot 102, and the battery pack mounting hole is connected to the battery pack fixing groove 104. When in use, the connecting seat 2 is fixed to the corresponding position of the battery pack mounting groove of the main body 9 housing of the electric tool, and a male plug matching the battery pack 8 is provided in the battery pack mounting groove. Then fix one end of the battery pack 8 in the battery pack fixing slot 104 of the battery holder 1, and insert the end with the female plug into the battery pack mounting slot of the power tool after passing through the battery pack mounting hole of the connecting seat 2. After aligning the female plug on the battery pack 8 with the male plug on the main body 9 shell, rotate the movable fastener 4 and buckle it into the card slot 102 at the bottom of the connecting seat 2. Through the card connection between the movable fastener 4 and the card slot 102, the battery holder 1 and the connecting seat 2 are connected and fixed, and then the battery pack 8 is firmly locked in the battery holder 1 and the main body 9 shell. When the battery pack 8 needs to be replaced, break the movable fastener 4, rotate the movable fastener 4 in the opposite direction, leave the card slot 102, and release the connection between the connecting seat 2 and the battery holder 1. Remove the battery holder 1 and the battery pack 8.

[0023] Through the design of the connecting rod 3, the battery holder 1 is clamped between the connecting seat 2 and the movable fastener 4, so that the battery holder 1 and the connecting seat 2 are firmly connected, and the versatility is improved. The movable fastener 4 and the card slot 102 can be a matching snap lock, a press lock or other suitable locking device. The number of connecting rods 3, movable fasteners 4, and card slots 102 can be designed according to actual conditions to ensure a stable connection between the battery holder 1 and the connecting seat 2.

[0024] Specifically, one end of the connecting rod 3 is rotatably connected to the connecting seat 2 through the rotating shaft 5, and the other end is rotatably connected to the movable fastener 4, which is convenient for disassembly. The length of the connecting rod 3 generally matches the height of the battery holder 1 to ensure that the movable fastener 4 can be pressed into the card slot 102 at the bottom of the battery holder 1 after rotation. Optionally, the two ends of the connecting rod 3 are rotatably connected to the connecting seat 2 or the movable fastener 4 through the rotating shaft 5. The connecting rod 3 and the movable fastener 4 are made of metal or plastic, and the battery holder 1 is made of plastic.

[0025] In a detailed embodiment, the side wall of the battery holder 1 is provided with a limiting groove 103 matching the connecting rod 3, so as to facilitate the quick positioning of the movable fastener 4 during the engagement process with the clamping groove 102, and to prevent the connecting rod 3 from being offset in the circumferential direction. Specifically, the limiting groove 103 is connected to the clamping groove 102.

[0026] Furthermore, one end of the movable fastener 4 away from the connecting seat 2 is an arc-shaped structure. When the movable fastener 4 is buckled in the card slot 102, the arc-shaped design facilitates the quick manual opening of the movable fastener 4.

[0027] In order to improve the sealing and waterproof performance of the device, a sealing ring 6 is provided on the inner wall of the battery pack installation hole to improve the connection tightness between the connecting seat 2 and the battery pack 8.

[0028] Furthermore, a battery pressing plate 101 for fixing the battery pack 8 is provided in the battery pack fixing groove 104 of the battery holder 1 , and the battery pressing plate 101 is used to fix and limit the battery pack 8 .

[0029] Optionally, a protrusion is provided on the top of the battery holder 1, and a slot matching the protrusion is provided on the connecting holder 2. When the connecting holder 2 is installed above the battery holder 1, the protrusion is inserted into the slot, further improving the connection tightness between the battery holder 1 and the connecting holder 2.

[0030] In an optimized implementation, Figure 2 As shown, the utility model also provides a handheld device, including a host 9, a battery pack assembly and a battery pack locking device. A battery pack mounting groove is provided at the bottom of the host 9, and a male plug is provided in the battery pack mounting groove. The upper end of the connecting seat 2 is fixed to the battery pack mounting groove and fixed to the bottom of the host 9, and the battery pack mounting hole on the connecting seat 2 is connected to the battery pack mounting groove. One end of the battery pack 8 with a female plug passes through the battery pack mounting hole of the connecting seat 2 and is inserted into the battery pack mounting groove to dock with the male plug. The other end of the battery pack 8 is inserted into the battery pack fixing groove 104 of the battery seat 1, and the battery seat 1 is connected and fixed to the connecting seat 2 by the movable fastener 4 and the card slot 102, and then the battery pack 8 is installed and fixed in the space formed by the host 9 and the battery seat 1. When the battery pack 8 needs to be replaced, the movable fastener 4 and the card slot 102 can be released.

[0031] Furthermore, a sealing pad 7 is provided at the connection between the connection base 2 and the host 9 to improve the tightness of the connection between the battery pack assembly and the handheld device host 9.

[0032] In summary, the battery pack locking device provided by the utility model has a simple structure and is easy to install. When in use, the connecting seat 2 is connected to the host 9 of the handheld device, and the battery pack 8 is installed in the battery seat 1 and the host 9 shell. The locking assembly composed of the connecting rod 3, the movable fastener 4 and the card slot 102 can conveniently and quickly realize the connection and disassembly of the battery seat 1 and the connecting seat 2. When the locking assembly is locked, the battery pack 8 is firmly locked in the battery seat 1 and the host 9 shell. The battery pack 8 can only be removed by unlocking, which is not easy to operate by mistake. After the battery pack 8 is locked, it can resist falling and will not fall out. The locking assembly uses the connecting rod 3 to switch to clamp the battery seat 1 between the connecting seat 2 and the movable fastener 4, thereby improving the tightness of the device connection. In addition, the provision of the sealing ring 6 and the sealing gasket 7 improves the sealing and waterproof properties of the device.

[0033] The above examples are merely illustrative of the present invention and do not constitute a limitation on the protection scope of the present invention. All designs that are identical or similar to the present invention fall within the protection scope of the present invention.

Claims

1. A battery pack locking device, characterized in that: The invention comprises a battery seat (1), a connecting rod (3), a movable fastener (4) and a connecting seat (2); a battery pack fixing groove (104) is provided in the battery seat (1); a battery pack mounting hole matching the battery pack fixing groove (104) is provided on the connecting seat (2); one end of the connecting rod (3) is connected to the connecting seat (2), and the other end is rotatably connected to the movable fastener (4); a card slot (102) matching the movable fastener (4) is provided at the bottom of the battery seat (1); the connecting seat (2) is detachably mounted on the battery seat (1) via the movable fastener (4) and the card slot (102).

2. The battery pack locking device according to claim 1, characterized in that: One end of the connecting rod (3) is rotatably connected to the connecting seat (2) via a rotating shaft (5).

3. The battery pack locking device according to claim 1, characterized in that: The side wall of the battery seat (1) is provided with a limiting groove (103) matching the connecting rod (3).

4. The battery pack locking device according to claim 3, characterized in that: The limiting groove (103) is communicated with the clamping groove (102).

5. The battery pack locking device according to claim 1, characterized in that: The end of the movable fastener (4) away from the connecting seat (2) is an arc-shaped structure.

6. The battery pack locking device according to claim 1, characterized in that: A sealing ring (6) is provided on the inner wall of the battery pack installation hole.

7. The battery pack locking device according to claim 1, characterized in that: A battery pressing plate (101) for fixing the battery pack (8) is provided in the battery pack fixing groove (104) of the battery holder (1).

8. A battery pack assembly, characterized in that: It comprises a battery pack (8) and a battery pack locking device as claimed in any one of claims 1 to 7; one end of the battery pack (8) passes through the battery pack mounting hole of the connecting seat (2) and is fixed in the battery pack fixing groove (104) of the battery seat (1).

9. A handheld device, characterized in that: It comprises a host (9) and the battery pack assembly as claimed in claim 8; the host (9) is provided with a battery pack installation slot; the end of the battery pack (8) away from the battery seat (1) is inserted into the battery pack installation slot; the connecting seat (2) is fixedly connected to the host (9).

10. The handheld device according to claim 9, characterized in that: A sealing gasket (7) is provided at the connection between the connection seat (2) and the main machine (9).

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