阅读说明：本技术 自动遮蔽器及包含其的电子设备 (Automatic shielding device and electronic equipment comprising same ) 是由 费菲 于 2020-12-18 设计创作，主要内容包括：本申请公开了一种自动遮蔽器,能够通过底壳设置的安装腔和滑动腔,安装遮片,使得遮片能够在滑动腔内滑动,进而对于透光孔进行遮蔽或漏出透光孔,从而实现防止偷窥和摄像头正常工作的状态切换。同时,由于引入了顶壳和底壳,并且进行了相应的改进,使得安装腔的密封性得到了增强；引入的安装孔能够方便安装,使得遮蔽器在安装过程中的良品率得到极大的提升,从而极大地改善了遮蔽器的生产效率和安装效率；配合引入的强化筋能够进一步增强遮蔽器在薄弱部位的强度,并且采用塑胶材质的顶壳和底壳能够有效降低生产成本,方便进行统一脱模生产,也降低了对生产工艺的要求,显著地提升了生产效率。(The application discloses automatic shielding device can be through installation cavity and the sliding chamber that the drain pan set up, installation matte for the matte can slide in the sliding chamber, and then shields or spills the light trap to the light trap, thereby realizes preventing to peep and the state switching of camera normal work. Meanwhile, due to the introduction of the top shell and the bottom shell and the corresponding improvement, the sealing performance of the mounting cavity is enhanced; the introduced mounting holes can be conveniently mounted, so that the yield of the shielding device in the mounting process is greatly improved, and the production efficiency and the mounting efficiency of the shielding device are greatly improved; the strength of the shielding device at the weak part can be further enhanced by the aid of the reinforcing ribs introduced in a matched mode, production cost can be effectively reduced by the aid of the top shell and the bottom shell which are made of plastic materials, unified demolding production is convenient to carry out, requirements for production processes are reduced, and production efficiency is remarkably improved.)

1. An automatic shutter for shuttering a camera, said automatic shutter comprising:

the bottom shell is internally provided with an installation cavity and a sliding cavity;

the top shell and the bottom shell are fixed to shield the installation cavity and the sliding cavity;

the shielding piece is slidably arranged in the sliding cavity; and

the driving structure comprises a driving assembly and a rocker arm which are arranged in the mounting cavity, and the rocker arm is connected with the shielding sheet and the driving assembly;

wherein, the drain pan with there is the light trap that corresponds the setting on the top shell, the matte has and covers the position of shielding of light trap and does not cover the open position of light trap, the drive assembly drive the rocking arm rotates, and drives the matte is in slide the intracavity slides, with shield the position with switch between the open position.

2. The automatic shutter according to claim 1, characterized in that the drive assembly comprises:

the coil is arranged in the mounting cavity and is used for being electrically connected with an external power supply;

the fixed magnetic part is arranged in the coil in a penetrating manner and used for fixing the position of the coil; and

the movable magnet is rotatably arranged in the mounting cavity and is adjacent to the fixed magnetic piece, and the movable magnet is connected with the rocker arm;

and the coil generates a magnetic field after being electrified so as to drive the moving magnet to drive the rocker arm to rotate.

3. The automatic shutter according to claim 2, wherein a fixed magnetic member mounting hole is provided on a wall of the mounting cavity, the fixed magnetic member includes a fixed magnetic member insertion portion that can be inserted into the fixed magnetic member mounting hole from an outside of the mounting cavity and a fixed magnetic member abutting portion that is fitted into a peripheral groove of the fixed magnetic member mounting hole.

4. The automatic shutter according to claim 1, wherein said top shell has a hooking arm, said bottom shell has a hooking hole corresponding to said hooking arm, and said hooking arm is inserted into said hooking hole to form a hooking and fastening structure.

5. The automatic shutter according to claim 1, further comprising reinforcing ribs, wherein reinforcing grooves are provided on both sides of the sliding chamber in the sliding direction, and the reinforcing ribs are provided in the reinforcing grooves.

6. The automatic shutter according to claim 5, characterized in that the reinforcing rib is provided with a raised structure, the reinforcing groove is provided with a recessed structure corresponding to the raised structure, and the raised structure is embedded in the recessed structure after the reinforcing rib is installed in the reinforcing groove.

7. The automatic shutter as claimed in claim 1, wherein the rocker arm comprises:

the rocker arm comprises a rocker arm body, wherein one end of the rocker arm body is convexly provided with a connecting arm; and

the connecting shaft is arranged at one end, far away from the connecting arm, of the rocker arm body and is coaxially arranged with the rocker arm body, and the connecting shaft is connected with the driving assembly;

the rocker arm body comprises a boss, the boss is arranged at one end, far away from the rocker arm body, of the connecting arm, and the table top of the boss is higher than the plane where the connecting arm is located and used for bearing the shielding sheet;

the bottom of the convex shaft is connected with the table surface of the boss, the second convex shaft penetrates through the shielding sheet, and the shielding sheet can be driven to move when the convex shaft moves; and

the extension lug is connected with the top of the convex shaft and extends in the direction away from the convex shaft, so that the shielding piece is limited between the boss and the extension lug.

8. The automatic shutter according to claim 7, wherein the top shell has an inwardly concave chute on a side thereof facing the mounting cavity, the chute being arcuate; the protruding shaft and the extension convex block movably penetrate through the sliding groove, and when the rocker arm rotates, the protruding shaft and the extension convex block slide along the sliding groove.

9. The automatic shutter according to claim 7, wherein the connecting shaft includes a connecting shaft insertion portion and a connecting shaft abutting portion, a connecting shaft mounting hole is provided on a wall of the mounting cavity, the connecting shaft insertion portion can be inserted into the connecting shaft mounting hole from an outer side of the mounting cavity, and the connecting shaft abutting portion is embedded in a peripheral groove of the connecting shaft mounting hole.

10. An electronic device, comprising a camera and the automatic shielding device as claimed in any one of claims 1 to 9, wherein a bottom case of the automatic shielding device is provided with a receiving slot, a light hole of the automatic shielding device penetrates through a bottom wall of the receiving slot, and the camera is at least partially received in the receiving slot and is opposite to the light hole.

Technical Field

The invention relates to the technical field of camera shielding, in particular to an automatic shielding device and electronic equipment applying the same.

Background

In the related art, many electronic devices, such as computers, notebook computers, tablet computers, mobile phones, cameras, etc., are provided with cameras, and the cameras of these electronic devices are mostly open lenses. The camera can see the shot scenery at all times, and due to the development of a network and the invasion of hackers, external non-management personnel can open the camera to monitor the things shot by the camera through illegal means, so that the image information of the camera can be still obtained under the condition that the electronic equipment holder thinks that the electronic equipment is closed, and the privacy right of the equipment holder is infringed.

Patent CN101034239 discloses a lens protection device for cellular phone camera, which has a large swing range of its components due to the long-strip shape of the lens cover, and the magnetic arm is easy to be blocked, resulting in low effective use times, and at the same time, it lacks a housing structure capable of being organically matched.

Patent CN 111581680 discloses an automatic shutter and an electronic device, the automatic shutter is used for shielding a camera, but the invention has the following disadvantages in the implementation process: the sliding hole reserved in the upper shell for limiting the sliding of the magnetic arm causes poor sealing performance of the shielding device, so that the effective use times in the actual use process are low; the holding groove for avoiding the hollowing of the protruding structure of the camera is very fine in actual production due to the structure of the holding groove, so that the holding groove is very easy to bend and even break during installation.

Therefore, a new auto-shutter structure is desired to improve the above-mentioned problems.

Disclosure of Invention

To overcome the problems in the related art, the present application provides an automatic shader and an electronic device using the same,

an automatic shutter for shuttering a camera, said automatic shutter comprising: the bottom shell is internally provided with an installation cavity and a sliding cavity; the top shell and the bottom shell are fixed to shield the installation cavity and the sliding cavity; the shielding piece is slidably arranged in the sliding cavity; the driving structure comprises a driving component and a rocker arm which are arranged in the mounting cavity, and the rocker arm is connected with the shielding sheet and the driving component; wherein, the drain pan with there is the light trap that corresponds the setting on the top shell, the matte has and covers the position of shielding of light trap and does not cover the open position of light trap, the drive assembly drive the rocking arm rotates, and drives the matte is in slide the intracavity slides, with shield the position with switch between the open position.

Preferably, the drive assembly comprises: the coil is arranged in the mounting cavity and is used for being electrically connected with an external power supply; the fixed magnetic part is arranged in the coil in a penetrating manner and used for fixing the position of the coil; the movable magnet is rotatably arranged in the mounting cavity and is adjacent to the fixed magnetic piece, and the movable magnet is connected with the rocker arm; and the coil generates a magnetic field after being electrified so as to drive the moving magnet to drive the rocker arm to rotate.

Preferably, be equipped with on the wall of installation cavity and decide magnetism spare mounting hole, decide magnetism spare including deciding magnetism spare insertion portion and deciding magnetism spare butt portion, decide magnetism spare insertion portion can follow the installation cavity outside inserts decide magnetism spare mounting hole, decide magnetism spare butt portion embedding decide the peripheral recess of magnetism spare mounting hole.

Preferably, the top shell is provided with a hanging and buckling arm, the bottom shell is provided with a hanging and buckling hole corresponding to the hanging and buckling arm, and the hanging and buckling arm is inserted into the hanging and buckling hole to form a hanging and buckling fixing structure.

Preferably, still including strengthening the muscle, the both sides in slip chamber are equipped with the strengthening groove along the direction of sliding, strengthen the muscle and locate in the strengthening groove.

Preferably, the reinforcing rib is provided with a convex structure, an inner concave structure corresponding to the convex structure is arranged in the reinforcing groove, and the convex structure is embedded into the inner concave structure after the reinforcing rib is arranged in the reinforcing groove.

Preferably, the rocker arm comprises: the rocker arm comprises a rocker arm body, wherein one end of the rocker arm body is convexly provided with a connecting arm; the connecting shaft is arranged at one end, far away from the connecting arm, of the rocker arm body and is coaxially arranged with the rocker arm body, and the connecting shaft is connected with the driving assembly; the rocker arm body comprises a boss, the boss is arranged at one end, far away from the rocker arm body, of the connecting arm, and the table top of the boss is higher than the plane where the connecting arm is located and used for bearing the shielding sheet; the bottom of the convex shaft is connected with the table surface of the boss, the second convex shaft penetrates through the shielding sheet, and the shielding sheet can be driven to move when the convex shaft moves; and the extension lug is connected with the top of the convex shaft and extends in the direction away from the convex shaft, so that the shielding sheet is limited between the boss and the extension lug.

Preferably, one side of the top shell, which faces the mounting cavity, is provided with an inwards concave sliding groove, and the sliding groove is arranged in an arc shape; the protruding shaft and the extension convex block movably penetrate through the sliding groove, and when the rocker arm rotates, the protruding shaft and the extension convex block slide along the sliding groove.

Preferably, the connecting shaft includes a connecting shaft insertion portion and a connecting shaft abutting portion, a connecting shaft mounting hole is formed in the wall of the mounting cavity, the connecting shaft insertion portion can be inserted into the connecting shaft mounting hole from the outer side of the mounting cavity, and the connecting shaft abutting portion is embedded into a peripheral groove of the connecting shaft mounting hole.

An electronic device, characterized in that, includes the camera and as above-mentioned arbitrary automatic shielding ware, the drain pan of automatic shielding ware is equipped with the holding tank, the light trap of automatic shielding ware link up the diapire of holding tank, the camera at least part hold in the holding tank to with the light trap is just to setting up.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

According to the technical scheme, the shielding piece can be installed through the installation cavity and the sliding cavity which are formed in the bottom shell, so that the shielding piece can slide in the sliding cavity, the light holes are shielded or leaked, and the state switching between peeping prevention and normal working of the camera is achieved. Meanwhile, due to the introduction of the top shell and the bottom shell and the corresponding improvement, the sealing performance of the mounting cavity is enhanced; the introduced mounting holes can be conveniently mounted, so that the yield of the shielding device in the mounting process is greatly improved, and the production efficiency and the mounting efficiency of the shielding device are greatly improved; the strength of the shielding device at the weak part can be further enhanced by the aid of the reinforcing ribs introduced in a matched mode, production cost can be effectively reduced by the aid of the top shell and the bottom shell which are made of plastic materials, unified demolding production is convenient to carry out, requirements for production processes are reduced, and production efficiency is remarkably improved.

Drawings

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.

Fig. 1 is a disassembled structure schematic view of an automatic shade shown in the embodiment of the present application;

fig. 2 is a schematic top view of the bottom case according to the embodiment of the present application;

FIG. 3 is a schematic side view of the top and bottom shells of the present application;

FIG. 4 is a schematic bottom view of the top and bottom shells of the present application;

FIG. 5 is a schematic diagram of a rocker arm body and moving magnet configuration shown in an embodiment of the present application;

FIG. 6 is a schematic diagram of a rocker arm and moving magnet configuration according to an embodiment of the present application;

FIG. 7 is a schematic diagram of a coil and a fixed magnetic member according to an embodiment of the present application;

FIG. 8 is a cross-sectional view of a first reinforcement bar in accordance with an exemplary embodiment of the present disclosure;

FIG. 9 is a schematic view of a fixed magnetic member mounting structure according to an embodiment of the present application;

FIG. 10 is a schematic structural diagram of a receiving groove according to an embodiment of the present disclosure;

FIG. 11 is a schematic view of an electronic device with an automatic shutter according to an embodiment of the present application;

FIG. 12 is a schematic view of the installation of the fixed magnetic member and the connecting shaft according to the embodiment of the present application;

fig. 13 is a schematic view illustrating installation of a reinforcing bar with a convex structure according to an embodiment of the present application. In the above drawings, the reference numerals denote:

Detailed Description

Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

Referring to fig. 1 of the drawings, an automatic shutter 100 for shuttering a camera includes: the bottom shell 1 is internally provided with a mounting cavity 11 and a sliding cavity 12; the top shell 2 is fixed with the bottom shell to shield the installation cavity and the sliding cavity; the shielding piece 3 is arranged in the sliding cavity in a sliding way; the driving structure 4 comprises a driving component 41 and a rocker arm 42 which are arranged in the mounting cavity, and the rocker arm is connected with the shielding sheet and the driving component; the bottom shell and the top shell are provided with light holes correspondingly, namely the bottom shell light hole 121 and the top shell light hole 21 are arranged oppositely and can be set to be square light holes so as to be suitable for more camera shell structures with special shapes and increase the light transmission amount; the shielding piece is provided with a shielding position for shielding the light hole and an opening position for not shielding the light hole, and the driving component drives the rocker arm to rotate and drives the shielding piece to slide in the sliding cavity so as to switch between the shielding position and the opening position.

In a preferred embodiment, and as illustrated in figures 1-8 of the drawings, the drive assembly comprises: the coil 411 is arranged in the installation cavity and is used for being electrically connected with an external power supply; a fixed magnetic member 412 inserted into the coil; the moving magnet 413 is rotatably arranged in the mounting cavity and is adjacent to the fixed magnetic piece, and the moving magnet is connected with the rocker arm; wherein, the coil generates the magnetic field after circular telegram to drive moving magnet and drive the rocking arm and rotate. The coil 411 has a coil positive wire 4111 and a coil negative wire 4112, and the coil lead slots arranged on the bottom case are electrically connected with the outside, so that the first coil lead slot 1131 and the second coil lead slot 1132 can be used for isolating the positive and negative poles of the coil respectively or realizing powerless wire setting by using a micro magnetization driving principle.

In a preferred embodiment, as shown in fig. 9 and 12, a fixed magnet mounting hole 111 is provided in the wall of the mounting cavity, the fixed magnet includes a fixed magnet insertion portion 4121 that can be inserted into the fixed magnet mounting hole from the outside of the mounting cavity and a fixed magnet abutment portion 4122 that is fitted into the peripheral groove 1111 of the fixed magnet mounting hole. Considering that the volume of the shielding device is very small and exquisite, when the shielding device is mechanically or manually installed, the plastic part can cause structural damage or component looseness due to the fact that burrs possibly existing in the plastic part are scraped, the fixed magnetic part installation hole is arranged to install the fixed magnetic part from the outer side of the bottom shell, the structure avoidance of other components in the installation process can be greatly simplified, the installation efficiency is greatly improved, and the design of assembly equipment is simplified, as shown in figure 2 of the attached drawings, a coil installation groove 114 is formed in the installation cavity, the coil installation groove can be used for positioning a coil in the installation cavity when the coil is assembled, the coil is aligned with the fixed magnetic part installation hole, then the fixed magnetic part is inserted into the fixed magnetic part installation hole in the side wall of the installation cavity, the fixed magnetic part insertion part sequentially penetrates through the fixed magnetic part installation hole and the coil until the fixed magnetic part abutting part is abutted against the bottom of the peripheral groove of the fixed magnetic part installation hole, and the, and can thus be used to generate a specific magnetic field; in this embodiment, the fixed magnetic member abutting portion is embedded in the peripheral groove of the fixed magnetic member mounting hole, so that no additional protrusion is generated on the fixed magnetic member.

In a preferred embodiment, the top shell is provided with a hanging-buckling arm 22, the bottom shell is provided with a hanging-buckling hole corresponding to the hanging-buckling arm, and the hanging-buckling arm is inserted into the hanging-buckling hole to form a hanging-buckling fixing structure, as shown in fig. 3-4, the inverted hook structures on the first hanging-buckling arm 221 and the second hanging-buckling arm 222 can be respectively used for abutting against the first hanging-buckling hole 131 and the second first hanging-buckling hole 132 for fixing.

In a preferred embodiment, as shown in fig. 8, the sliding cavity further comprises a reinforcing rib and a reinforcing groove, a first reinforcing groove 1221 and a second reinforcing groove 1222 are disposed on two sides of the sliding cavity along the sliding direction, and the first reinforcing rib 51 and the second reinforcing rib 52 are respectively disposed in the corresponding reinforcing grooves. The reinforcement rib can adopt a material with hardness higher than that of the bottom shell, for example, a steel sheet made of a metal material, an iron sheet and the like or other structures such as a fiber rod and the like, when the partial sliding cavity is provided with an accommodating groove or a light-transmitting hole region, the structural strength caused by the loss of the thickness of the shell is reduced, the reinforcement rib can play a supporting role for the structure, and due to the arrangement of the reinforcement groove, the reinforcement rib can bear the stress from different directions in a sharing manner, the structural strength of external force resistance is greatly improved, and due to the targeted arrangement of the reinforcement rib, the top shell and the bottom shell can adopt a conventional plastic material or other low-cost light and thin materials, and the weight and the cost of the shielding device can be reduced. In the embodiment of fig. 8, the reinforcing ribs have a strip-like structure.

In a preferred embodiment, as shown in fig. 13 of the drawings, the reinforcing rib is provided with a protruding structure, taking the first reinforcing rib 51 as an example, two ends of the first reinforcing rib are respectively provided with a first reinforcing rib first protrusion 511 and a first reinforcing rib second protrusion 512, the protruding structure can enhance the structural strength of the reinforcing rib, and the reinforcing groove is provided with a concave structure corresponding to the protruding structure, for example, the first reinforcing groove is provided with a first reinforcing groove first concave 12211 and a first reinforcing groove second concave 12212 corresponding to the first reinforcing rib first protrusion 511 and the first reinforcing rib second protrusion 512, after the first reinforcing rib is installed in the first reinforcing groove, the protruding structure is embedded into the concave structure, so that the whole reinforcing rib and the reinforcing groove can be contacted in a certain area, and meanwhile, the reinforcing rib can be used for installation and positioning of the reinforcing rib. The protruding structures can be arranged at two ends, one end and the middle of the reinforcing rib or arranged as required.

In a preferred embodiment, as shown in figures 5-6 of the drawings, the rocker arm comprises: a rocker arm body 421, one end of which is convexly provided with a connecting arm 4211; the connecting shaft 422 is arranged at one end of the rocker arm body, which is far away from the connecting arm, and is coaxially arranged with the rocker arm body, and the connecting shaft is connected with the driving assembly; the rocker arm body comprises a boss 4212, the boss is arranged at one end, far away from the rocker arm body, of the connecting arm, and the table top of the boss is higher than the plane where the connecting arm is located and used for bearing the shielding sheet; the bottom of the convex shaft 4213 is connected with the table surface of the boss, the second convex shaft penetrates through the shielding sheet, and the shielding sheet can be driven to move when the convex shaft moves; and an extension projection 4214, wherein the top of the extension projection connected with the convex shaft extends away from the convex shaft, so that the mask is limited between the boss and the extension projection.

In a preferred embodiment, an inwards concave sliding groove 23 is arranged on one side of the top shell facing the mounting cavity, and the sliding groove is arranged in an arc shape; the protruding shaft and the extension convex block movably penetrate through the sliding groove, and when the rocker arm rotates, the protruding shaft and the extension convex block slide along the sliding groove. Different from the slide opening setting of conventional through type, the spout setting of fretwork formula can play sealed effect to the installation cavity, can also restrict the home range of protruding axle and extension lug simultaneously.

In a preferred embodiment, as shown in fig. 12, the coupling shaft includes a coupling shaft insertion portion 4221 and a coupling shaft abutment portion 4222, a coupling shaft mounting hole 112 is provided on a wall of the mounting cavity, the coupling shaft insertion portion can be inserted into the coupling shaft mounting hole from the outside of the mounting cavity, and the coupling shaft abutment portion is fitted into a peripheral groove 1121 of the coupling shaft mounting hole. Considering that the volume of the shielding device is very small, when the shielding device is mechanically or manually installed, the plastic part possibly causes structural damage or part looseness due to the fact that burrs possibly existing are scraped, the connecting shaft installation hole is formed in the mode that the connecting shaft is installed from the outer side of the bottom shell, the structure avoidance of other parts in the installation process can be greatly simplified, the installation efficiency is greatly improved, and the design of assembling equipment is simplified.

In a preferred embodiment, top shell and drain pan are the plastic part, can realize that a set of mould or a processing point carry out injection moulding, and its physical and chemical characteristics are more unified, and convenient production, transportation and storage respond to the produced expend with heat and contract with cold ratio when different temperatures also relatively stable to make the shutter can work more stably.

An electronic device, comprising a camera 200 and an automatic shielding device 100 as described above, wherein the bottom case of the automatic shielding device is provided with a receiving slot 15, a light hole of the automatic shielding device penetrates through the bottom wall of the receiving slot, and the camera is at least partially accommodated in the receiving slot and is opposite to the light hole. As shown in fig. 10-11, the outer side of the bottom housing may be provided with mounting posts 14 for fixedly connecting with the external FPC flexible board 6 or other possible fixing structures, thereby more stably fixing the shutter.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.