Cover body resetting structure of battery compartment

Abstract

The utility model discloses a cover body resetting structure of a battery compartment, relates to the field of battery storage, solves the problem that a battery compartment is too large in size or a compartment cover is difficult to open in the prior art, and mainly adopts the technical scheme that the cover body resetting structure of the battery compartment is used for solving the problem. Hinge joint between the cover body and the machine shell has a covering state that the cover body shields the battery jar, an opening state that the cover body avoids the track of the battery body entering and exiting the battery jar, and a reset state between the covering state and the opening state, and in the reset state, the gravity center of the cover body deviates to the battery jar, and the gravity center of the cover body deviates to the battery jar. The cover body is arranged in the casing, so that the cover body can be converted into a covering state due to gravity, an elastic piece is arranged between the cover body and the casing, so that the cover body has a trend of converting from an opening state to a reset state, and the elastic piece stops applying elastic force to the cover body in the reset state. The battery compartment is mainly used for reducing the size of the battery compartment, and the compartment cover of the battery compartment is easy to open.

Description

TECHNICAL FIELD

[0001] The application relates to the field of battery storage, in particular to a cover resetting structure of a battery compartment. BACKGROUND

[0002] In today's era of rapid development of science and technology, batteries, as an important energy storage device, are widely used in various fields. Since batteries are usually composed of chemical substances, once they come into contact with water or moisture, dangerous situations such as short circuit, corrosion and even explosion may occur. Therefore, when storing batteries, waterproof function must be considered to ensure the safe operation of the batteries. When designing the battery compartment, the internal space layout of the electronic device should be fully considered to minimize the volume of the battery compartment as much as possible to improve the portability and aesthetics of the device. At the same time, the size and shape of the battery should also be considered to ensure that the battery can be easily installed and removed.

[0003] In the prior art, in order to realize the function that the cover of the battery compartment of the garden electric tool can be automatically reset, the angle between the cover and the battery compartment is usually limited, so that the cover can be reset by gravity. However, this also brings some problems, that is, the battery needs to be taken out smoothly, and the battery compartment needs to be designed to be wide enough to prevent the cover from affecting the taking and placing of the battery. Figure 6 Increasing the width of the battery compartment to prevent the cover from affecting the taking and placing of the battery will not effectively reduce the volume of the battery compartment, directly affecting the convenience of the battery compartment. Directly adding a spring or other resetting element in the battery compartment will make the opening of the cover have a large resistance, and a large force is needed to lift the cover to a suitable angle, which also affects the convenience of taking and placing the battery in the battery compartment. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the shortcomings of the prior art that the battery compartment is too large and it is difficult to open the cover, the application provides a cover resetting structure of a battery compartment, which can reduce the volume of the battery compartment and easily open the cover of the battery compartment.

[0005] In order to achieve the above purpose, the application adopts the following technical scheme: a cover resetting structure of a battery compartment, wherein the battery compartment comprises a shell, a battery slot arranged in the shell, and a cover for covering the battery slot, the cover is hinged to the shell, the battery slot further comprises a detachable battery body, the hinge between the cover and the shell has a covering state in which the cover shields the battery slot, an opening state in which the cover avoids the trajectory of the battery body entering and leaving the battery slot, and a resetting state between the covering state and the opening state, in the resetting state, the center of gravity of the cover is biased towards the battery slot, so that the cover can be changed to the covering state due to gravity, an elastic element is arranged between the cover and the shell to make the cover have a tendency to change from the opening state to the resetting state, and in the resetting state, the elastic element stops applying elastic force to the cover.

[0006] After the technical scheme is applied, the battery compartment has the following battery taking and placing steps: the user first rotates the cover from the closed state to the open state, wherein in the reset state, the cover is not affected by the elastic member, and when the cover enters the open state, the user needs to operate the cover to overcome the elastic force of the elastic member, so that the elastic member is deformed, the user needs to keep the current position of the cover, so that the battery body can be smoothly taken and placed, after the taking and placing of the battery body is completed, the user can release the cover, so that the cover returns to the reset state under the elastic force of the elastic member, and in the reset state, the cover spontaneously changes to the closed state under the action of gravity, until the cover covers the battery groove, and the application has the following advantages: when the user initially opens the cover, the cover is not affected by the elastic force of the elastic member, so that the cover is relatively easy to open, and after the battery body is taken out, the cover can be automatically reset through the elastic member and the weight of the cover, so that the cover does not need to be additionally operated to be closed, and therefore, the volume of the battery compartment can be designed according to the size of the battery, the volume of the battery compartment does not need to be widened, and the function of automatically resetting the cover after the battery is taken and placed can also be realized.

[0007] Further, the cover comprises a cantilever fixed thereon, and the shell has an opposite surface facing the cover, and the cantilever penetrates through the shell and is hinged to a side of the shell away from the opposite surface.

[0008] By the structure of the cantilever on the cover, the hinge point can be moved from the edge of the cover to other positions, so that the space can be better utilized, for example, the distance between the cover and the shell can be increased when the cover is in the open state, so that the battery body is more convenient to take and place from the battery groove, and compared with direct hinging on the cover, the cantilever can be made of a more solid material or designed with a more reasonable structure, so that the structural strength of the hinge is enhanced.

[0009] Further, the shell is provided with a hinge part extending away from the opposite surface, the shell is hinged to the cover through the hinge part, and the elastic member is arranged on a side of the shell away from the opposite surface.

[0010] By extending the hinge part away from the opposite surface, a larger contact area and support force are provided for the hinge, so that the structural stability of the entire battery compartment during use is enhanced, and this design can better utilize the external space of the battery compartment, and avoid affecting the layout and thickness of the shell due to the hinge structure.

[0011] Further, the cover is provided with a C-shaped cantilever, in the closed state, the recess of the cantilever faces the hinge part and is located below the hinge part, and the elastic member is located between the recess of the cantilever and the shell.

[0012] The recess of the C-shaped cantilever can protect the elastic member from the external environment to some extent, for example, can reduce the erosion of dust, moisture or other impurities on the elastic member, prolong the service life of the elastic member, and the recess of the cantilever provides a relatively stable mounting position for the elastic member. During the movement of the cover body, the elastic member can always remain in this specific area and will not be offset or misaligned due to the rotation of the cover body.

[0013] Further, the maximum opening angle between the cover body and the shell is greater than or equal to 90°.

[0014] With the foregoing technical solution, when the maximum opening angle between the cover body and the shell is greater than or equal to 90°, the user can take and place the battery.

[0015] Further, when the cover body is transformed from the reset state to the open state, the elastic member generates tensile deformation and gradually accumulates elastic potential energy, or when the cover body is transformed from the reset state to the open state, the elastic member generates torsional deformation and gradually accumulates elastic potential energy, or when the cover body is transformed from the reset state to the open state, the elastic member generates compressive deformation and gradually accumulates elastic potential energy.

[0016] With the foregoing technical solution, when the elastic member is set as a tension spring, one end of the tension spring is connected with the cover body, and the other end is set as a hook part, and a handle part corresponding to the moving path of the hook part is arranged on the shell. When the cover body is rotated to the open state, the hook part is connected with the handle part, so that the tension spring is stretched to generate deformation.

[0017] When the elastic member is set as a compression spring, an abutting part is arranged on the cover body, one end of the compression spring is fixed with the shell, and the other end is a pressing part in the moving path of the abutting part. When the cover body is rotated to the open state, the abutting part abuts against the pressing part of the compression spring, so that the compression spring generates compressive deformation.

[0018] When the elastic member is set as a torsional spring, the torsional spring is arranged around the rotating shaft of the cover body, one end of the torsional spring is connected with the rotating shaft, and the other end has a certain rotating gap with the shaft seat of the corresponding shell. When the cover body is rotated to the open state, the torsional spring abuts against the shaft seat, so that the torsional spring generates torsional deformation.

[0019] Further, when the elastic member generates compressive deformation, the elastic member is a compression spring, a spring sheet or a rubber pad with one end connected with the shell and the other end abutting against the cantilever.

[0020] With the foregoing technical solution, different elastic members have different adaptability to the working environment. The compression spring and the spring sheet are usually suitable for relatively dry and clean environments, and the rubber pad can withstand harsh environments such as moisture and dust to some extent.

[0021] Further, the battery body enters and exits the battery slot along a vertical direction.

[0022] With the foregoing technical solution, the battery body enters and exits the battery slot along a vertical direction, so that the height space of the equipment can be fully utilized, and for some electronic equipment or garden electric tools with limited horizontal space, the convenient installation and disassembly of the battery can be realized without increasing the overall size.

[0023] Further, the cover of the shell and the cover of the cover body are provided with mutually attractive magnets, or one of the cover of the shell and the cover of the cover body is provided with a magnet, and the other is provided with a material that can be attracted by the magnet.

[0024] With the foregoing technical solution, when the cover of the shell and the cover of the cover body are provided with mutually attractive magnets or a magnet and a material that can be attracted, a certain attractive force can be generated in the closed state, so that the cover body is tightly attached to the shell, and the attractive force of the magnet can automatically align and adhere the cover body to the shell when the cover body is closed, without the need for the user to accurately align and press hard.

[0025] Further, the cover body is provided with an opening handle away from the hinge.

[0026] With the foregoing technical solution, the opening handle of the shell provides a special force application point for the user, so that the operation of opening the cover body is more convenient and fast, and the user can easily hold the opening handle and apply appropriate force to open the cover body, without the need to find a force application point on other parts of the cover body. BRIEF DESCRIPTION OF DRAWINGS

[0027] The present application will be further described below with reference to the accompanying drawings:

[0028] Figure 1 FIG. 1 is a schematic view of a battery compartment cover body reset structure according to the present application;

[0029] Figure 2 FIG. 4 is a sectional view of the shell;

[0030] Figure 3 FIG. 7 is an enlarged view of A of FIG. 6; Figure 2

[0031] Figure 4 FIG. 11 is a bottom view of the shell;

[0032] Figure 5 FIG. 14 is a side view of a battery compartment cover body reset structure according to the present application;

[0033] Figure 6 FIG. 17 is a side view of the prior art.

[0034] ​BRIEF DESCRIPTION OF DRAWINGS: 1, casing; 11, battery slot; 12, hinged part; 2, cover body; 21, cantilever; 22, abutting part; 3, battery body; 4, elastic member; 41, abutting part; 5, magnet; 6, steel nail; 7, cover opening handle; 8, screw. DETAILED DESCRIPTION

[0035] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application.

[0036] The terms "first", "second", and the like (if any) in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence, that is, even if "second" is used before a certain technical feature, it does not mean that it must have "first". It should be understood that in the present application, "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. It should be understood that in the present application, "multiple" means two or more. "And / or" is only a description of the association relationship between the associated objects, which means that there can be three relationships, for example, X and / or Y can represent three cases of X alone, X and Y together, and Y alone. The character " / " generally represents an "or" relationship between the associated objects before and after it. "Including X, Y and Z", "including X, Y, Z" means that X, Y and Z are all included, "including X, Y or Z" means that one of X, Y and Z is included, and "including X, Y and / or Z" means that any one or any two or all of X, Y and Z is included.

[0037] The technical solutions of the present application will be described in detail below with specific embodiments. The following specific embodiments can be combined or replaced according to actual conditions, and the same or similar concepts or processes may not be described in some embodiments.

[0038] Embodiment 1:

[0039] As Figures 1 to 5As shown, the application provides a cover resetting structure of a battery compartment, wherein the battery compartment comprises a casing 1, a battery slot 11 arranged in the casing 1, and a cover 2 used for covering the battery slot 11, the cover 2 is hinged to the casing 1, the battery slot 11 is further provided with a detachable battery body 3, the hinge between the cover 2 and the casing 1 has a covering state in which the cover 2 covers the battery slot 11, an opening state in which the cover 2 avoids the track of the battery body 3 entering and leaving the battery slot 11, and a resetting state between the covering state and the opening state, in the resetting state, the gravity center of the cover 2 is deviated to the battery slot 11, so that the cover 2 can be changed to the covering state due to gravity, and an elastic member 4 is arranged between the cover 2 and the casing 1, so that the cover 2 has a tendency to change from the opening state to the resetting state, and in the resetting state, the elastic member 4 stops applying elastic force to the cover 2.

[0040] After the above technical scheme is adopted, the steps for taking and placing the battery of the battery compartment are as follows: the user first rotates the cover 2 from the covering state to the opening state, in the resetting state, the cover 2 is not affected by the elastic member 4, when the cover 2 enters the opening state, the user needs to operate the cover 2 to overcome the elastic force of the elastic member 4, so that the elastic member 4 is deformed, and the user needs to keep the current position of the cover 2, so that the battery body 3 can be smoothly taken and placed, after the taking and placing action of the battery body 3 is completed, the user can release the cover 2, so that the cover 2 returns to the resetting state under the elastic force of the elastic member 4, in the resetting state, the cover 2 spontaneously changes to the covering state due to gravity, until the cover 2 covers the battery slot 11, the application has the following advantages: when the user initially opens the cover 2, the cover 2 is not affected by the elastic force of the elastic member 4, so that the cover 2 is relatively easy to open, when the battery body 3 is taken out, the cover 2 can be automatically reset by the elastic force of the elastic member 4 and the weight of the cover 2, so that the cover 2 does not need to be additionally closed, therefore, the size of the battery compartment can be designed according to the size of the battery, the size of the battery compartment does not need to be expanded, and the function of automatically resetting the cover 2 after the battery is taken and placed can be realized.

[0041] Specifically, the conversion among the covering state, the resetting state and the opening state is continuous, when the cover 2 is opened to a position that does not affect the taking and placing of the battery body 3, the cover 2 can continue to be rotated away from the battery slot 11 until the cover 2 is in a limit position, and this range belongs to the opening state.

[0042] Preferably, in the limit position, the elastic force of the elastic member 4 is slightly greater than the gravity component of the cover 2.

[0043] It can be understood that, in the resetting stage, the elastic member 4 stops applying elastic force to the cover 2, at this time, the elastic member 4 is disconnected from the cover 2, and the elastic member 4 and the casing 1 always maintain a connection relationship.

[0044] Further, the cover 2 comprises a cantilever 21 fixedly arranged on the cover 2, and the shell 1 has an opposite surface facing the cover 2, and the cantilever 21 penetrates through the shell 1 and is hingedly connected to a side of the shell 1 away from the opposite surface.

[0045] By the above technical scheme, the hinge point is moved from the edge of the cover 2 to other positions, so that the space is better utilized, for example, the distance between the cover 2 and the shell 1 in the open state is increased, the battery body 3 is more convenient to take out and place in the battery groove 11, and compared with the hinge directly arranged on the cover 2, the cantilever 21 can be made of a more solid material or designed to have a more reasonable structure, so that the structural strength of the hinge is enhanced.

[0046] Specifically, two cantilevers 21 are arranged to ensure stable rotation of the cover 2 and increase the service life of the cover 2.

[0047] Further, the shell 1 is provided with a hinge part 12 extending away from the opposite surface, and the shell 1 is hingedly connected to the cover 2 through the hinge part 12.

[0048] By the above technical scheme, the hinge part 12 extends away from the opposite surface to provide a larger contact area and support force for the hinge, so that the structural stability of the entire battery compartment during use is enhanced, and this design can better utilize the external space of the battery compartment and avoid affecting the layout and thickness of the shell 1 due to the hinge structure.

[0049] Further, the cover 2 is provided with a C-shaped cantilever 21, and in the closed state, the recess of the cantilever 21 faces the hinge part 12 and is located below the hinge part 12, and the elastic member 4 is located between the recess of the cantilever 21 and the hinge part 12.

[0050] By the above technical scheme, the recess of the C-shaped cantilever 21 can protect the elastic member 4 from the external environment to some extent, for example, the erosion of dust, moisture or other impurities on the elastic member 4 is reduced, and the service life of the elastic member 4 is prolonged, and the recess of the cantilever 21 provides a relatively stable mounting position for the elastic member 4, so that the elastic member 4 can always remain in this specific area during the movement of the cover 2 and will not be offset or misaligned due to the rotation of the cover 2.

[0051] Further, the maximum opening angle between the cover 2 and the shell 1 is greater than or equal to 90°.

[0052] By the above technical scheme, when the maximum opening angle between the cover 2 and the shell 1 is greater than or equal to 90°, the user can take out and place the battery more conveniently.

[0053] Further, as shown in Figure 3As shown, when the cover 2 is transformed from the reset state to the open state, the elastic member 4 is compressed and gradually accumulates elastic potential energy.

[0054] When the elastic member 4 is a compression spring, the cover 2 is provided with an abutting portion 22, one end of the compression spring is fixed to the casing 1, and the other end is a pressing portion 41 in the moving path of the abutting portion 22. When the cover 2 is rotated to the open state, the abutting portion 22 abuts against the pressing portion 41 of the compression spring, so that the compression spring is compressed.

[0055] Preferably, the compression spring is a conical spring, and the large end is fixed to the casing 1, and the small end is the pressing portion 41.

[0056] Further, the battery body 3 enters and exits the battery slot 11 along the vertical direction.

[0057] With the foregoing technical scheme, the battery body 3 enters and exits the battery slot 11 along the vertical direction, which can make full use of the height space of the device. For some electronic devices or garden electric tools with limited horizontal space, the convenient installation and disassembly of the battery can be realized without increasing the overall size.

[0058] Further, when the elastic member 4 is compressed, the elastic member 4 is a compression spring, a spring sheet or a rubber pad with one end connected to the casing 1 and the other end abutting against the cantilever 21.

[0059] With the foregoing technical scheme, different elastic members 4 have different adaptability to the working environment. The compression spring and the spring sheet are usually suitable for relatively dry and clean environments, while the rubber pad can tolerate humid and dusty harsh environments to some extent.

[0060] Specifically, the connection mode of one end of the compression spring to the casing 1 is that the top ring of the compression spring is embedded in the mounting groove of the casing, and the mounting groove tightly presses the end ring of the compression spring in the mounting groove of the casing through a cross-shaped abutting plate. One end of the abutting plate is connected to a circular ring with a through hole, so that the bolt is connected to the screw hole of the casing after passing through the through hole, so as to fix the abutting plate on the casing and tightly embed the compression spring on the casing.

[0061] Further, the cover closing portion of the casing 1 and the cover closing portion of the cover 2 are provided with mutually attractive magnets, or one of the cover closing portion of the casing 1 and the cover closing portion of the cover 2 is provided with a magnet, and the other is provided with a material that can be attracted by the magnet.

[0062] When the magnet or the magnet and the attractable material are arranged at the joint of the casing 1 and the cover 2, the magnet can generate an attraction force in the closed state, so that the cover 2 is tightly attached to the casing 1, and the attraction force of the magnet can automatically align and attract the cover 2 to the casing 1 when the cover 2 is closed, without the need for the user to accurately align and press the cover 2.

[0063] Specifically, the steel nails 6 are arranged at the opposite edges of the hinge of the cover 2, and the magnets 5 are arranged at the opposite edges of the hinge of the casing 1 and fixed to the casing 1 by the screws 8, and the steel nails 6 and the magnets 5 are arranged at the corners to align the cover 2 in the closed state.

[0064] Further, the cover 2 is provided with the opening handle 7 away from the hinge.

[0065] According to the above technical scheme, the opening handle 7 provides a special force point for the user, so that the operation of opening the cover 2 is more convenient and fast, and the user can easily hold the opening handle 7 and apply appropriate force to open the cover 2 without searching for a force point at other parts of the cover 2.

[0066] Embodiment 2:

[0067] Different from the embodiment 1, the elastic member 4 is disconnected from the casing 1 in the reset state.

[0068] In the reset stage, the elastic member 4 stops applying the elastic force to the casing 1, and the elastic member 4 and the casing 1 are disconnected, and the elastic member 4 and the cover 2 are always connected.

[0069] Embodiment 3:

[0070] Different from the embodiment 1, the elastic member 4 is disconnected from the casing 1 and the cover 2 in the reset state.

[0071] In the reset stage, the elastic member 4 stops applying the elastic force to the cover 2, and the elastic member 4 is disconnected from the casing 1 and the cover 2 at the same time, and the casing 1 or the cover 2 is provided with a platform for placing the elastic member 4, so that the elastic member 4 can be placed on the platform, but does not have a connection relationship with the platform.

[0072] Embodiment 4:

[0073] Different from the embodiment 1, the elastic member 4 is connected to the casing 1 and the cover 2 in the reset state.

[0074] In the reset stage, the elastic member 4 stops exerting elastic force on the cover 2, and can be connected with the casing 1 and the cover 2 when the elastic member 4 is a tension spring. At this time, the elastic member 4 is connected with the casing 1 and the cover 2, but neither of them is affected by the elastic force of the elastic member 4, and the elastic member 4 is similar to a rope not being tightened.

[0075] Embodiment 5:

[0076] The difference from Embodiment 1 is that the elastic member generates tensile deformation and gradually accumulates elastic potential energy when the cover changes from the reset state to the open state.

[0077] At this time, the elastic member 4 can be a tension spring, one end of which is connected with the cover 2, and the other end is provided with a hook portion. The casing 1 is provided with a handle portion on the moving path of the hook portion. When the cover 2 rotates to the open state, the hook portion is connected with the handle portion, so that the tension spring is stretched to generate deformation. It can be understood that the elastic member 4 can also be an elastic member such as a rubber band that relies on tensile deformation.

[0078] Embodiment 6:

[0079] The difference from Embodiment 1 is that the elastic member generates torsional deformation and gradually accumulates elastic potential energy when the cover 2 changes from the reset state to the open state.

[0080] At this time, the elastic member 4 is a torsion spring, which is arranged around the rotating shaft of the cover 2. The first lead is connected with the rotating shaft, and the second lead is provided with a certain rotating gap with the corresponding shaft seat of the casing 1. When the cover 2 rotates to the open state, the second lead abuts against the shaft seat, so that the torsion spring generates torsional deformation.

[0081] It can be understood that the torsion spring can also be arranged around the rotating shaft of the casing 1. The first lead is connected with the rotating shaft, and the second lead is provided with a certain rotating gap with the corresponding shaft seat of the cover 2. When the cover 2 rotates to the open state, the second lead abuts against the shaft seat, so that the torsion spring generates torsional deformation.

[0082] In addition to the above preferred embodiments, the present application also has other embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

Claims

1. A battery compartment cover resetting structure, comprising a housing (1), a battery slot (11) disposed within the housing (1), and a cover (2) for closing the battery slot (11), wherein the cover (2) is hinged to the housing (1), and a detachable battery body (3) is further provided within the battery slot (11), characterized in that, The hinge between the cover (2) and the casing (1) has a closed state in which the cover (2) covers the battery slot (11), an open state in which the cover (2) avoids the track of the battery body (3) entering and leaving the battery slot (11), and a reset state between the closed state and the open state, in which the center of gravity of the cover (2) is biased towards the battery slot (11) so that the cover (2) can turn to the closed state due to gravity, and an elastic member (4) is arranged between the cover (2) and the casing (1) to make the cover (2) have a tendency to turn from the open state to the reset state, and in the reset state, the elastic member (4) stops applying elastic force to the cover (2).

2. The cover reset structure of a battery compartment according to claim 1, wherein The cover (2) includes a cantilever (21) fixed thereon, and the casing (1) has an opposite surface facing the cover (2), and the cantilever (21) penetrates through the casing (1) and is hinged to a side of the casing (1) away from the opposite surface.

3. The cover reset structure of a battery compartment according to claim 2, wherein The casing (1) is provided with a hinge part (12) extending away from the opposite surface, and the casing (1) is hinged to the cover (2) through the hinge part (12), and the elastic member (4) is arranged on the side of the casing (1) away from the opposite surface.

4. The cover reset structure of a battery compartment according to claim 3, wherein The cover (2) is provided with a C-shaped cantilever (21), and in the closed state, the recess of the cantilever (21) faces and is located below the hinge part (12), and the elastic member (4) is located between the recess of the cantilever (21) and the casing (1).

5. The cover reset structure of a battery compartment according to claim 1, wherein The maximum opening angle between the cover (2) and the casing (1) is greater than or equal to 90°.

6. The cover reset structure of a battery compartment according to claim 1, wherein When the cover (2) turns from the reset state to the open state, the elastic member (4) produces tensile deformation and gradually accumulates elastic potential energy, or the elastic member (4) produces torsional deformation and gradually accumulates elastic potential energy, or the elastic member (4) produces compressive deformation and gradually accumulates elastic potential energy.

7. The cover reset structure of a battery compartment according to claim 3 or 4, wherein When the elastic member (4) produces compressive deformation, the elastic member (4) is a compression spring, a spring sheet or a rubber pad with one end connected to the casing (1) and the other end abutting against the cantilever (21).

8. The cover reset structure of a battery compartment according to claim 1, wherein The battery body (3) enters and leaves the battery slot (11) in the vertical direction.

9. The cover reset structure of a battery compartment according to claim 1, wherein The closed part of the casing (1) and the closed part of the cover (2) are both provided with magnets that attract each other, or one of the closed part of the casing (1) and the closed part of the cover (2) is provided with a magnet, and the other is provided with a material that can be attracted by the magnet.

10. The cover reset structure of a battery compartment according to claim 1, wherein The cover (2) is provided with an opening handle (7) away from the hinge.

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