Lithium electric drill capable of quickly replacing battery

Abstract

The utility model relates to the technical field of lithium electric drills, in particular to a lithium electric drill capable of quickly replacing a battery, which comprises an electric drill main body and a handheld handle, the handheld handle is fixed below the electric drill main body, a control switch is mounted on the handheld handle, a mounting cover is arranged in the handheld handle, a battery main body is arranged in the mounting cover, and the battery main body is connected with the electric drill main body. A movable connecting mechanism is arranged above the battery main body, the battery main body is communicated with the electric drill main body through the movable connecting mechanism and supplies power to the electric drill main body, the inner end of the mounting cover is connected with a mounting shaft, the mounting shaft is rotationally mounted below the handheld handle, and the mounting cover and the battery main body are symmetrically arranged up and down relative to the center of the mounting shaft; and a charging port is formed in the inner side of the mounting cover. According to the lithium electric drill capable of rapidly replacing the battery, the battery main body is supported through the mounting cover, switching use of the battery main body can be directly achieved through rotation of the mounting cover on the mounting shaft, and replacement of the battery is more convenient and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium electric drills, in particular to a lithium electric drill with rapidly replaceable batteries. Background Art

[0002] The lithium-ion drill is a handheld electric drill powered by a lithium battery. Different drill bits can also be replaced to install and remove bolts. The battery of the lithium-ion drill is generally detachable. By setting two sets of batteries, the batteries can be switched and used, thereby ensuring the working time of the device. The application number is CN202210650495.7. A lithium-ion drill with a protective mechanism disclosed on September 13, 2022, cooperates with each other through two first slides, a folding plate, a switch button and an unfolding mechanism. Each time the drilling is started, the two first slides are automatically driven to move to unfold the folding plates to protect the drilling position to prevent splashes during drilling from causing harm to personnel, and when closed, the first slide and the folding plate are automatically retracted, which is convenient for personnel to use and store the lithium-ion drill, and can reduce the space occupied by the protective mechanism formed by the two first slides and the folding plate, so that personnel can store the lithium-ion drill conveniently, and it is not easy to cause damage to the folding plate;

[0003] When replacing the battery of a current lithium-ion drill, the original battery is usually removed from the body first, and then the new battery is installed and locked. The installation is time-consuming and cumbersome, and the fully charged battery needs to be stored and carried separately, increasing the risk of subsequent loss. Utility Model Content

[0004] The purpose of the utility model is to provide a lithium-ion drill with a quickly replaceable battery, so as to solve the problem raised in the above-mentioned background technology that when replacing the battery of the current lithium-ion drill, the original battery is generally removed from the body first, and then the new battery is installed and locked, the installation is time-consuming and cumbersome, and the fully charged battery needs to be stored and carried separately.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium electric drill with a battery that can be quickly replaced, comprising an electric drill body and a hand-held handle, the hand-held handle is fixed below the electric drill body, and a control switch is installed on the hand-held handle, a mounting cover is arranged inside the hand-held handle, a battery body is arranged inside the mounting cover, and a movable connecting mechanism is arranged above the battery body, the battery body is connected to the electric drill body through the movable connecting mechanism to supply power to the electric drill body, an mounting shaft is connected to the inner end of the mounting cover, and the mounting shaft is rotatably installed below the hand-held handle, and the mounting cover and the battery body are symmetrically arranged about the center of the mounting shaft, a charging port is arranged on the inner side of the mounting cover for charging the battery body, a detachable connection is formed between the mounting cover and the mounting shaft so that a single mounting cover can be disassembled, and a limiting mechanism is arranged on the outer side of the mounting cover to limit the mounting cover to keep it stable.

[0006] To further optimize the technical solution, the front and rear sides of the hand-held handle are designed with an open structure so that the mounting cover can be rotated in and out.

[0007] To further optimize the technical solution, the movable connection mechanism includes a connecting contact piece and a first spring;

[0008] The connecting contact piece is arranged inside the hand-held handle, and the outer side of the connecting contact piece is designed in an arc-shaped structure;

[0009] The first spring is arranged above the connecting contact piece and provides a downward thrust for the connecting contact piece so as to keep effective contact between the connecting contact piece and the battery body.

[0010] To further optimize the technical solution, a mounting block is fixed to the middle of the mounting shaft, and the mounting cover is connected to the mounting shaft through the mounting block.

[0011] To further optimize the technical solution, a connector is fixed to the inner end of the mounting cover, a connecting groove is provided on the surface of the mounting block, and a threaded connection is formed between the connecting groove and the connector.

[0012] To further optimize the technical solution, the limiting mechanism includes a limiting block, a second spring, a limiting groove and a control mechanism;

[0013] A limit block is arranged inside the mounting cover and between the mounting covers to form a left-right telescopic structure;

[0014] A second spring is arranged on the outer side of the limit block to provide thrust for the limit block so that the limit block can be received inside the mounting cover;

[0015] A limit groove is provided inside the hand-held handle, and a clamping structure is formed between the limit groove and the limit block;

[0016] The control mechanism is arranged on the outer side of the limit block to control the connection between the limit block and the limit groove.

[0017] Further optimizing the technical solution, the control mechanism includes a first magnet, a second magnet, a control block and a third spring;

[0018] A first magnet is fixed on the outer side of the limit block;

[0019] The second magnet is arranged inside the limiting groove, and the second magnet and the first magnet are arranged opposite to each other with opposite magnetic poles.

[0020] A control block, fixed on the outer side of the second magnet to control the movement of the second magnet;

[0021] The third spring is arranged on the outer side of the control block to provide an outward thrust for the control block.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] (1) The mounting cover provides support for the battery body, and the battery body can be directly switched by rotating the mounting cover on the mounting shaft, making battery replacement more convenient and quick;

[0024] (2) Two sets of mounting covers are provided to provide switching for the battery body, and both sets of mounting covers can be connected to the mounting shaft and mounted on the hand-held handle, so as to facilitate subsequent carrying and storage together;

[0025] (3) The thrust provided by the first spring to the connecting contact piece can keep the connecting contact piece and the contact point on the battery body stably connected, so that the electric energy can be smoothly transmitted, and the mounting cover can be removed from the mounting shaft. After the mounting cover is removed, the battery body can be charged through the charging port;

[0026] (4) The connection between the limit block and the limit groove can limit the rotation of the mounting cover, so that it can remain stable in the handheld handle. The mounting cover can be controlled to rotate by controlling the movement of the limit block to release the connection between the limit block and the limit groove, and the battery body can be replaced;

[0027] (5) The second spring can provide thrust for the limit block so that it can be stored inside the mounting cover. Subsequently, when the limit block and the limit slot are relative to each other, the mutual attraction between the first magnet and the second magnet enables the limit block to automatically connect with the limit slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0029] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0030] Figure 3 This is a schematic diagram of the three-dimensional structure of the installation shaft of the utility model;

[0031] Figure 4 This is a schematic diagram of the three-dimensional structure of the installation cover of the utility model;

[0032] Figure 5 This is a schematic diagram of the main cross-sectional structure of the hand-held handle of the utility model;

[0033] Figure 6 This is a schematic diagram of the main cross-sectional structure of the installation cover of the utility model.

[0034] In the figure: 1. electric drill body; 2. hand handle; 3. mounting cover; 4. battery body; 5. connecting contact piece; 6. first spring; 7. charging port; 8. mounting shaft; 9. connector; 10. mounting block; 11. connecting groove; 12. limit block; 13. second spring; 14. first magnet; 15. limit groove; 16. second magnet; 17. control block; 18. third spring. DETAILED DESCRIPTION

[0035] 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 in 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.

[0036] See also Figure 1-Figure 6 The utility model provides the following technical solutions: a lithium electric drill with a quick replaceable battery, comprising an electric drill body 1 and a hand-held handle 2, the hand-held handle 2 is fixed below the electric drill body 1, and a control switch is installed on the hand-held handle 2;

[0037] Embodiment 1:

[0038] The utility model provides a technical solution, which discloses that a mounting cover 3 is arranged inside a hand-held handle 2, a battery main body 4 is arranged inside the mounting cover 3, and a movable connection mechanism is arranged above the battery main body 4, the battery main body 4 is connected to the electric drill main body 1 through the movable connection mechanism to supply power to the electric drill main body 1, the inner end of the mounting cover 3 is connected to a mounting shaft 8, and the mounting shaft 8 is rotatably mounted below the hand-held handle 2, and the mounting cover 3 and the battery main body 4 are symmetrically arranged about the center of the mounting shaft 8, and a charging port 7 is arranged on the inner side of the mounting cover 3 for charging the battery main body 4, and the mounting cover 3 and the mounting shaft 8 are connected to the inner end of the mounting cover 3. 8 constitutes a detachable connection, so that a single installation cover 3 can be disassembled, a limiting mechanism is arranged on the outer side of the installation cover 3, the installation cover 3 is limited, so that it remains stable, the front and rear sides of the hand-held handle 2 are designed in an open structure, so that the installation cover 3 can be rotated in and out, the movable connection mechanism includes a connecting contact piece 5 and a first spring 6, the connecting contact piece 5 is arranged inside the hand-held handle 2, and the outer side of the connecting contact piece 5 is designed in an arc shape, the first spring 6 is arranged above the connecting contact piece 5, and provides a downward thrust for the connecting contact piece 5, so that it maintains effective contact with the battery body 4;

[0039] The battery body 4 is installed in the mounting cover 3 for use, and the conductive contacts on the battery body 4 in the mounting cover 3 are connected to the connecting contact pieces 5 to supply power to the electric drill body 1. When the battery body 4 needs to be switched later, the mounting cover 3 can be controlled to rotate, and the mounting cover 3 and the battery body 4 below can be turned into the hand handle 2, and the mounting cover 3 originally in the hand handle 2 can be turned out to realize the quick replacement of the battery body 4.

[0040] Embodiment 2:

[0041] On the basis of the first embodiment, a mounting block 10 is fixed to the middle of the mounting shaft 8, the mounting cover 3 is connected to the mounting shaft 8 through the mounting block 10, a connector 9 is fixed to the inner end of the mounting cover 3, a connecting groove 11 is provided on the surface of the mounting block 10, and a threaded connection is formed between the connecting groove 11 and the connector 9;

[0042] The mounting cover 3 is removable. When removing the mounting cover 3, the mounting cover 3 can be rotated to release the threaded connection between the connecting head 9 and the connecting groove 11, and the mounting cover 3 and the battery body 4 can be removed. The battery body 4 can be charged through the charging port 7 later. By installing the mounting cover 3 on the outside of the mounting shaft 8, the battery body 4 can also be conveniently stored and carried.

[0043] Embodiment three:

[0044] On the basis of the first embodiment, the limit mechanism is disclosed, including a limit block 12, a second spring 13, a limit groove 15 and a control mechanism. The limit block 12 is arranged inside the mounting cover 3 and between the mounting cover 3 to form a left-right telescopic structure. The second spring 13 is arranged on the outside of the limit block 12 to provide thrust for the limit block 12 so that the limit block 12 can be stored inside the mounting cover 3. The limit groove 15 is opened inside the hand-held handle 2, and a clamping structure is formed between the limit groove 15 and the limit block 12. The control mechanism is arranged on the outside of the limit block 12 to The connection between the limit block 12 and the limit slot 15 is controlled, and the control mechanism includes a first magnet 14, a second magnet 16, a control block 17 and a third spring 18. The first magnet 14 is fixed on the outside of the limit block 12, and the second magnet 16 is arranged inside the limit slot 15, and the second magnet 16 and the first magnet 14 are arranged with opposite poles to each other. The control block 17 is fixed on the outside of the second magnet 16 to control the movement of the second magnet 16, and the third spring 18 is arranged on the outside of the control block 17 to provide an external thrust for the control block 17;

[0045] In the default state, the limit block 12 is received inside the mounting cover 3 under the action of the second spring 13. When the limit block 12 and the limit groove 15 are opposite to each other, the second magnet 16 attracts the first magnet 14, drives the limit block 12 to move so that the limit block 12 and the limit groove 15 are connected, and the mounting cover 3 is locked. When the battery body 4 needs to be replaced later, the control block 17 can be pressed to push the second magnet 16 to move, squeeze the limit block 12 out of the limit groove 15, and the mounting cover 3 can drive the mounting shaft 8 to rotate, and the battery body 4 can be replaced.

[0046] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A lithium electric drill with a rapidly replaceable battery, comprising an electric drill body (1) and a hand-held handle (2), wherein the hand-held handle (2) is fixed below the electric drill body (1), and a control switch is installed on the hand-held handle (2); Features: The hand-held handle (2) is provided with a mounting cover (3) inside, a battery body (4) is provided inside the mounting cover (3), and a movable connection mechanism is provided above the battery body (4). The battery body (4) is connected to the electric drill body (1) through the movable connection mechanism to supply power to the battery body (4). The inner end of the mounting cover (3) is connected with a mounting shaft (8), and the mounting shaft (8) is rotatably mounted below the hand-held handle (2). The mounting cover (3) and the battery body (4) are symmetrically arranged up and down about the center of the mounting shaft (8). A charging port (7) is provided inside the mounting cover (3) for charging the battery body (4). A detachable connection is formed between the mounting cover (3) and the mounting shaft (8), so that a single mounting cover (3) can be disassembled. A limiting mechanism is provided outside the mounting cover (3) to limit the mounting cover (3) so that it remains stable.

2. A lithium-ion drill with a quick-change battery according to claim 1, characterized in that: The front and rear sides of the hand-held handle (2) are designed to be open-shaped structures, so that the mounting cover (3) can be rotated in and out.

3. The lithium-ion drill with a quick-change battery according to claim 1, characterized in that: The movable connection mechanism comprises a connecting contact piece (5) and a first spring (6); A connecting contact piece (5) is arranged inside the hand-held handle (2), and the outer side of the connecting contact piece (5) is designed to be an arc-shaped structure; The first spring (6) is arranged above the connecting contact piece (5) and provides a downward thrust for the connecting contact piece (5) so that the connecting contact piece (5) maintains effective contact with the battery body (4).

4. A lithium-ion drill with a quick-change battery according to claim 1, characterized in that: A mounting block (10) is fixed to the middle of the mounting shaft (8), and the mounting cover (3) is connected to the mounting shaft (8) via the mounting block (10).

5. A lithium-ion drill with a quick-change battery according to claim 4, characterized in that: A connector (9) is fixed to the inner end of the mounting cover (3), a connecting groove (11) is provided on the surface of the mounting block (10), and a threaded connection is formed between the connecting groove (11) and the connector (9).

6. The lithium-ion drill with a quick-change battery according to claim 1, characterized in that: The limiting mechanism comprises a limiting block (12), a second spring (13), a limiting groove (15) and a control mechanism; A limit block (12) is arranged inside the installation cover (3) and between the installation cover (3) to form a left-right telescopic structure; A second spring (13) is arranged on the outer side of the limit block (12) to provide a thrust for the limit block (12) so that the limit block (12) can be received inside the mounting cover (3); A limiting groove (15) is provided inside the hand-held handle (2), and a locking structure is formed between the limiting groove (15) and the limiting block (12); The control mechanism is arranged on the outer side of the limit block (12) and controls the connection between the limit block (12) and the limit groove (15).

7. A lithium-ion drill with a quick-change battery according to claim 6, characterized in that: The control mechanism comprises a first magnet (14), a second magnet (16), a control block (17) and a third spring (18); A first magnet (14) is fixed on the outer side of the limit block (12); The second magnet (16) is arranged inside the limiting groove (15), and the second magnet (16) and the first magnet (14) are arranged opposite to each other with opposite magnetic poles. A control block (17) is fixed on the outside of the second magnet (16) to control the movement of the second magnet (16); The third spring (18) is arranged on the outer side of the control block (17) to provide an outward thrust for the control block (17).

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