Curtain moving device

Abstract

The utility model provides a curtain moving device. The curtain moving device comprises a moving assembly and a hook assembly. The moving assembly comprises a first shell and moving wheels. The moving wheel is rotatably connected to the first shell and can move relative to the curtain rod; the moving wheels are exposed to the first shell; the hook assembly is arranged on one side of the moving assembly; the hook assembly comprises a second shell and a hook; the second shell is connected to the first shell; the hook is telescopically connected to the second shell and elastically stretches and retracts relative to the second shell; the hook is used for hanging a curtain rod; when the hook elastically retracts relative to the second shell, the moving wheel makes elastic contact with the curtain rod under the action of elastic retraction of the hook, the moving wheel drives the moving assembly and the hook assembly to move along the curtain rod in the rotating state, and the distance between the hook assembly and the curtain rod is reduced through retraction of the hook; the curtain moving device is prevented from shaking in the moving process, and the moving stability of the curtain moving device is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of curtain moving devices, and in particular to a curtain moving device. Background Technology

[0002] With the development of technology, curtain moving devices are being used in people's lives to automatically open or close curtains.

[0003] In the prior art, existing curtain moving devices include a moving component and a hook component. The hook component is connected to the moving component, and the moving component can move relative to the curtain rod. The hook component is used to suspend the curtain rod. However, the distance between the hook component and the curtain rod is relatively large, and the curtain moving device is prone to swaying relative to the curtain rod, resulting in poor moving stability of the existing curtain moving device. Utility Model Content

[0004] The purpose of this utility model is to provide a curtain moving device. The moving component includes a first housing and a moving wheel. The moving wheel is rotatably connected to the first housing and can move relative to the curtain rod. The moving wheel is located at the top of the first housing and can be exposed to the first housing. A hook assembly is disposed on one side of the moving component. The hook assembly includes a second housing and a hook. The second housing is connected to the first housing. The hook is retractably connected to the second housing and elastically retracts relative to the second housing. The hook is used to suspend the curtain rod. When the hook elastically retracts relative to the second housing, the moving wheel elastically contacts the curtain rod under the action of the elastic retraction of the hook. The moving wheel drives the moving component and the hook assembly to move along the curtain rod in the rotating state. The retraction of the hook reduces the distance between the hook assembly and the curtain rod, avoids swaying of the curtain moving device during movement, and improves the moving stability of the curtain moving device.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a curtain moving device, comprising:

[0006] A movable component includes a first housing and movable wheels; the movable wheels are rotatably connected to the first housing and are movable relative to the curtain rod; the movable wheels are located on top of the first housing and are exposed to the first housing.

[0007] A hook assembly is disposed on one side of the movable component; the hook assembly includes a second housing and a hook; the second housing is connected to the first housing; the hook is retractably connected to the second housing and elastically extends and retracts relative to the second housing; the hook is used to hang a curtain rod;

[0008] When the hook retracts elastically relative to the second housing, the movable wheel makes elastic contact with the curtain rod under the action of the hook's elastic retraction. The movable wheel, in its rotating state, drives the movable component and the hook component to move along the curtain rod.

[0009] Optionally, the moving component further includes a first motor and a first transmission module. The first motor and the first transmission module are built into the first housing. One end of the first transmission module is connected to the output end of the first motor, and the other end of the first transmission module is connected to the moving wheel, driving the moving wheel to rotate along its own axis.

[0010] Optionally, the first transmission module is a gear transmission module, a synchronous belt transmission module, or a chain transmission module.

[0011] Optionally, the moving component also includes a power source, which is built into the first housing and supplies power to the first motor.

[0012] Optionally, the first housing and the second housing are detachable structures, which can be snap-fit ​​connections, locking connections, or magnetic connections.

[0013] Optionally, the second housing is provided with a movable groove;

[0014] The hook assembly further includes a movable seat and a first elastic element. The hook is connected to the movable seat, and the movable seat is movably connected to the movable slot. The hook adjusts its height as the movable seat moves.

[0015] The first elastic element is connected to the outer shell and the movable seat at both ends. The first elastic element can apply an elastic force to the movable seat and drive the hook to move downward, so as to realize the adjustment of the position of the hook and realize the elastic contact between the movable wheel and the curtain rod.

[0016] Optionally, the hook assembly further includes a locking member movably connected to the second housing and engaging or disengaging from the movable seat.

[0017] Optionally, the movable seat is provided with a first engaging portion, and the engaging member is provided with a second engaging portion, wherein the second engaging portion engages with the first engaging portion.

[0018] When the second engaging part engages with the first engaging part, the hook is in an extended state relative to the second outer shell;

[0019] When the second engaging portion disengages from the first engaging portion, the hook is in a retracted state relative to the second outer shell.

[0020] Optionally, a second elastic element is provided between the engaging member and the second housing, the two ends of the second elastic element contacting the engaging member and the second housing, and applying an elastic force to the engaging member;

[0021] The engaging member engages with the movable seat under the action of the second elastic member.

[0022] Optionally, the hook assembly further includes a pressing member movably connected to the second housing and contacting the engaging member;

[0023] When the pressing element is manually applied, it retracts relative to the second outer shell, causing the locking element to disengage from the movable seat.

[0024] Compared with the prior art, the beneficial effects of this utility model are:

[0025] This utility model provides a curtain moving device. The moving component includes a first housing and a moving wheel. The moving wheel is rotatably connected to the first housing and can move relative to the curtain rod. The moving wheel is located at the top of the first housing and can be exposed to the first housing. A hook assembly is disposed on one side of the moving component. The hook assembly includes a second housing and a hook. The second housing is connected to the first housing. The hook is telescopically connected to the second housing and elastically telescopic relative to the second housing. The hook is used to suspend the curtain rod. When the hook elastically retracts relative to the second housing, the moving wheel elastically contacts the curtain rod under the action of the elastic retraction of the hook. The moving wheel, in its rotating state, drives the moving component and the hook assembly to move along the curtain rod. The retraction of the hook reduces the distance between the hook assembly and the curtain rod, preventing the curtain moving device from swaying during movement and improving the moving stability of the curtain moving device. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings. In the following description, the same reference numerals denote the same parts.

[0028] Figure 1 A schematic diagram of a curtain moving device according to an embodiment of this application is shown.

[0029] Figure 2 A cross-sectional view of a curtain moving device according to an embodiment of this application is shown.

[0030] Figure 3 An exploded view of a curtain moving device according to an embodiment of this application is shown.

[0031] Figure 4 A schematic diagram of a moving component of a curtain moving device according to an embodiment of this application is shown.

[0032] Figure 5 A cross-sectional view of the moving component of a curtain moving device according to an embodiment of this application is shown.

[0033] Figure 6 A schematic diagram of a hook assembly of a curtain moving device according to an embodiment of this application is shown.

[0034] Figure 7 A cross-sectional view of the hook assembly of a curtain moving device according to an embodiment of this application is shown.

[0035] Figure Labels

[0036] 100. Curtain moving device;

[0037] 10. Moving component; 11. First housing; 12. Moving wheel; 13. First motor; 14. First transmission module; 15. Power supply;

[0038] 20. Hook assembly; 21. Second housing; 21a. Moving groove; 22. Hook; 23. Moving base; 231. First engaging part; 24. First elastic element; 25. Engaging element; 251. Second engaging part; 26. Second elastic element; 27. Pressing element. Detailed Implementation

[0039] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0040] Please refer to the attached document. Figures 1-7 This application provides a curtain moving device 100, which is used to automatically open or close the curtain.

[0041] Please refer to the attached document. Figures 1-7In this embodiment, the curtain moving device 100 includes a moving component 10 and a hook assembly 20. The moving component 10 includes a first housing 11 and a moving wheel 12. The moving wheel 12 is rotatably connected to the first housing 11 and can move relative to the curtain rod. The moving wheel 12 is located on top of the first housing 11 and can be exposed to the first housing 11. The hook assembly 20 is disposed on one side of the moving component 10. The hook assembly 20 includes a second housing 21 and a hook 22. The second housing 21 is connected to the first housing 11. The hook 22 is retractably connected to the second housing 21. The outer shell 21 is elastically retractable relative to the second outer shell 21; the hook 22 is used to hang the curtain rod; when the hook 22 elastically retracts relative to the second outer shell 21, the moving wheel 12 elastically contacts the curtain rod under the action of the elastic retraction of the hook 22. The moving wheel 12 drives the moving component 10 and the hook component 20 to move along the curtain rod in the rotating state. The retraction of the hook 22 reduces the distance between the hook component 20 and the curtain rod, avoids the curtain moving device 100 from shaking during the movement, and improves the movement stability of the curtain moving device 100.

[0042] Please refer to the attached document. Figures 1-7 In this embodiment, the moving component 10 includes a first housing 11 and a moving wheel 12. The moving wheel 12 is rotatably connected to the first housing 11 to adjust the position of the moving wheel 12 relative to the first housing 11. The moving wheel 12 can move relative to the curtain rod. The moving wheel 12 is located on top of the first housing 11 and can be exposed to the first housing 11 to adjust the position of the moving wheel 12 relative to the curtain rod, thereby facilitating the overall positional transfer of the curtain moving device 100 relative to the curtain rod, so as to realize that the curtain moving device 100 drives the curtain to move relative to the curtain rod.

[0043] The hook assembly 20 is disposed on the outside of the movable assembly 10; the hook assembly 20 includes a second housing 21 and a hook 22; the second housing 21 is disposed on the outside of the first housing 11 and is connected to the first housing 11 so that the hook assembly 20 can be connected to the movable assembly 10 through the cooperation of the second housing 21 and the first housing 11; the hook 22 is telescopically connected to the second housing 21 and elastically telescopic relative to the second housing 21 so as to adjust the position of the hook 22 relative to the second housing 21; the hook 22 is used to hang the curtain rod.

[0044] When the hook 22 retracts elastically relative to the second housing 21, the moving wheel 12 makes elastic contact with the curtain rod under the action of the elastic retraction of the hook 22. The moving wheel 12 drives the moving component 10 and the hook component 20 to move along the curtain rod in the rotating state. The retraction of the hook 22 reduces the distance between the hook component 20 and the curtain rod, avoids the curtain moving device 100 from shaking during the movement, and improves the movement stability of the curtain moving device 100.

[0045] Please refer to the attached document. Figures 1-5 In this embodiment, the moving component 10 further includes a first motor 13 and a first transmission module 14. The first motor 13 and the first transmission module 14 are built into the first housing 11 so that the first housing 11 can protect the first motor 13 and the first transmission module 14 from external impacts and ensure their performance. The fixed end of the first motor 13 is connected to the first housing 11, one end of the first transmission module 14 is connected to the output end of the first motor 13, and the other end of the first transmission module 14 is connected to the moving wheel 12, driving the moving wheel 12 to rotate along its own axis. This allows the moving wheel 12 to automatically rotate relative to the first housing 11 through the cooperation of the first motor 13 and the first transmission module 14, thereby facilitating the automatic movement of the moving wheel 12 relative to the curtain rod.

[0046] Please refer to the attached document. Figure 5 In this embodiment, the first transmission module 14 is a gear transmission module, a synchronous belt transmission module, or a chain transmission module. When the first transmission module 14 is a gear transmission module, the first transmission module 14 includes two gears that mesh with each other. The two gears are respectively connected to the first motor 13 and the moving wheel 12, so that the first motor 13 can drive the moving wheel 12 to rotate during the start-up process via the two gears.

[0047] When the first transmission module 14 is a synchronous belt transmission module, the first transmission module 14 includes two synchronous pulleys and a synchronous belt. The two synchronous pulleys are respectively connected to the first motor 13 and the moving wheel 12. The synchronous belt is sleeved on the two synchronous pulleys so that the first motor 13 can drive the moving wheel 12 to rotate through the two synchronous pulleys and the synchronous belt during the start-up process.

[0048] When the first transmission module 14 is a chain drive module, the first transmission module 14 includes two sprockets and a chain. The two sprockets are respectively connected to the first motor 13 and the moving wheel 12. The chain is sleeved on the two sprockets so that the first motor 13 can drive the moving wheel 12 to rotate through the two sprockets and the chain during the start-up process.

[0049] Please refer to the attached document. Figures 4-5 In this embodiment of the application, the moving component 10 also includes a power supply 15, which is built into the first housing 11 so that the power supply 15 is fixed inside the first housing 11, thereby facilitating the protection of the power supply 15 by the first housing 11. The power supply 15 supplies power to the first motor 13 so that the current of the power supply 15 can be conducted to the first motor 13, thereby facilitating the start-up of the first motor 13.

[0050] Please refer to the attached document. Figure 3In this embodiment of the application, the first outer shell 11 and the second outer shell 21 are detachable structures so that the first outer shell 11 can be connected to or detached from the second outer shell 21, so as to realize the detachable connection between the hook assembly 20 and the moving assembly 10. The detachable structure is a snap-fit ​​connection structure, a locking connection structure or a magnetic connection structure.

[0051] When the detachable structure is a snap-fit ​​connection structure, the first outer shell 11 is connected to the first snap-fit ​​part, and the second outer shell 21 is connected to the second snap-fit ​​part. The first snap-fit ​​part and the second snap-fit ​​part are engaged and connected. When the first snap-fit ​​part and the second snap-fit ​​part are engaged, the first outer shell 11 and the second outer shell 21 are connected. When the first snap-fit ​​part and the second snap-fit ​​part are disengaged, the first outer shell 11 and the second outer shell 21 are disengaged.

[0052] When the detachable structure is a locking connection structure, the first outer shell 11 is connected to the first locking part, and the second outer shell 21 is connected to the second locking part. The first locking part and the second locking part are locked together. When the first locking part and the second locking part are locked together, the first outer shell 11 and the second outer shell 21 are connected. When the first locking part and the second locking part are disengaged, the first outer shell 11 and the second outer shell 21 are disengaged.

[0053] When the detachable structure is a magnetic connection structure, the first outer shell 11 is provided with a first magnetic surface, the second outer shell 21 is provided with a second magnetic surface, the first magnetic surface and the second magnetic surface are magnetically connected, the first outer shell 11 and the second outer shell 21 are connected when the first magnetic surface and the second magnetic surface are in contact, and the first outer shell 11 and the second outer shell 21 are disconnected when the first magnetic surface and the second magnetic surface are disconnected.

[0054] Please refer to the attached document. Figures 6-7 In this embodiment, the second outer shell 21 is provided with a movable groove 21a; the movable groove 21a serves as the internal space of the second outer shell 21 and is arranged along the length of the second outer shell 21. The movable groove 21a is used for the hook assembly 20 to move. The hook assembly 20 also includes a movable seat 23 and a first elastic member 24. The hook 22 is disposed on the upper side of the movable seat 23 and is connected to the movable seat 23. The movable seat 23 is movably connected to the movable groove 21a so as to adjust the position of the movable seat 23 relative to the movable groove 21a, thereby facilitating the movement of the movable seat 23 relative to the second outer shell 21 through the space of the movable groove 21a. The hook 22 is height-adjusted as the movable seat 23 moves to adjust the height position of the hook 22.

[0055] Please refer to the attached document. Figures 6-7The first elastic element 24 is disposed between the second outer shell 21 and the movable seat 23. The two ends of the first elastic element 24 are respectively connected to the outer shell and the movable seat 23. The first elastic element 24 can apply an elastic force to the movable seat 23 and drive the hook 22 to move downward, so as to realize the position adjustment of the hook 22 and realize the elastic contact between the movable wheel 12 and the curtain rod, so that the hook 22 can elastically retract relative to the second outer shell 21 through the first elastic element 24, thereby facilitating the elastic contact between the movable wheel 12 and the curtain rod under the action of the elastic retraction of the hook 22.

[0056] Please refer to the attached document. Figures 6-7 In this embodiment of the application, the hook assembly 20 further includes a locking member 25, which is movably connected to the second housing 21 and engages or disengages from the movable seat 23. When disengaged, the first elastic member 24 applies an elastic force to the movable seat 23 to achieve one-click reset of the hook 22, avoiding the need for the hook 22 to be rotated and adjusted by the spiral column, thus improving the reset convenience of the hook assembly 20.

[0057] Please refer to the attached document. Figures 6-7 In this embodiment of the application, the movable seat 23 is provided with a first engaging portion 231, and the engaging member 25 is provided with a second engaging portion 251. The second engaging portion 251 is engaged with the first engaging portion 231. The movable seat 23 and the engaging member 25 are detachably connected by the cooperation between the second engaging portion 251 and the first engaging portion 231.

[0058] When the second engaging portion 251 engages with the first engaging portion 231, the hook 22 is in an extended state relative to the second housing 21; this allows the engaging member 25 to restrict the position of the movable seat 23, thus facilitating the hook 22 to remain in the extended state. When the second engaging portion 251 disengages from the first engaging portion 231, the hook 22 is in a retracted state relative to the second housing 21. During the disengagement process, the first elastic member 24 applies an elastic force to the movable seat 23, causing the hook 22 to move downwards, thus facilitating the reset of the hook 22 and preventing the hook 22 from being rotated and adjusted in position via a spiral post.

[0059] Please refer to the attached document. Figures 6-7 In this embodiment, a second elastic member 26 is provided between the engaging member 25 and the second outer shell 21. The two ends of the second elastic member 26 contact the engaging member 25 and the second outer shell 21 and apply an elastic force to the engaging member 25. The engaging member 25 is engaged with the movable seat 23 under the action of the second elastic member 26. The elastic force of the second elastic member 26 abuts against the engaging member 25, ensuring that the engaging member 25 and the movable seat 23 are always in an engaged state so that the hook 22 is in an extended state relative to the second outer shell 21.

[0060] There are two second elastic members 26, which are respectively arranged on both sides of the engaging member 25 to ensure the smooth movement of the engaging member 25 relative to the second outer shell 21.

[0061] Please refer to the attached document. Figures 6-7 In this embodiment, the hook assembly 20 further includes a pressing member 27, which is movably connected to the second housing 21 to adjust the position of the pressing member 27 relative to the second housing 21. The pressing member 27 contacts the engaging member 25. Under manual action, the pressing member 27 retracts relative to the second housing 21 and drives the engaging member 25 to disengage from the moving seat 23. This allows the engaging member 25 to disengage from the moving seat 23 by pressing the pressing member 27, thereby enabling the first elastic member 24 to apply an elastic force to the moving seat 23 and drive the hook 22 to move downward, achieving one-click reset of the hook 22 and avoiding the need for the hook 22 to be rotated and adjusted via a spiral column.

[0062] Please refer to the attached document. Figures 6-7 When pressed by a user, the pressing member 27 extends relative to the second housing 21 and engages the locking member 25 with the movable seat 23, thereby restricting the position of the movable seat 23 and facilitating the extension of the hook 22 relative to the second housing 21. Simultaneously, the pressing member 27 is exposed to the second housing 21, making it easier for the user to press and improving the convenience of pressing the member 27.

[0063] Please refer to the attached document. Figure 1 The device has two hook assemblies 20, which are respectively connected to the left and right sides of the movable assembly 10. The arrangement of the two hook assemblies 20 ensures the smooth movement of the curtain moving device 100 relative to the curtain rod. During assembly, one hook assembly 20 is connected to the movable assembly 10, while the other hook assembly 20 is detached from it. Both hook assemblies 20 are then suspended from the curtain rod. Finally, the other hook assembly 20 is connected to the movable assembly 10, improving the ease of assembly of the curtain moving device 100 relative to the curtain rod.

[0064] Compared with the prior art, the beneficial effects of this utility model are:

[0065] This utility model provides a curtain moving device 100. The moving component 10 includes a first housing 11 and a moving wheel 12. The moving wheel 12 is rotatably connected to the first housing 11 and can move relative to the curtain rod. The moving wheel 12 is located on top of the first housing 11 and can be exposed to the first housing 11. A hook assembly 20 is disposed on one side of the moving component 10. The hook assembly 20 includes a second housing 21 and a hook 22. The second housing 21 is connected to the first housing 11. The hook 22 is telescopically connected to the second housing 21 and elastically telescopic relative to the second housing 21. The hook 22 is used to suspend the curtain rod. When the hook 22 elastically retracts relative to the second housing 21, the moving wheel 12 elastically contacts the curtain rod under the action of the elastic retraction of the hook 22. The moving wheel 12 drives the moving component 10 and the hook assembly 20 to move along the curtain rod in the rotating state. The retraction of the hook 22 reduces the distance between the hook assembly 20 and the curtain rod, avoiding swaying of the curtain moving device 100 during movement and improving the movement stability of the curtain moving device 100.

[0066] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0067] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features.

[0068] This document uses specific examples to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the methods and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A window covering movement device, comprising: The application relates to a window curtain rod moving device. The device comprises a moving assembly, a hook assembly and a window curtain rod. The moving assembly comprises a first shell and a moving wheel. The moving wheel is rotatably connected to the first shell and can move relative to the window curtain rod. The moving wheel is located at the top of the first shell and can be exposed to the first shell. The hook assembly is arranged on one side of the moving assembly.

2. The window treatment moving device of claim 1, wherein, The hook assembly comprises a second shell and a hook.

3. The window treatment moving device of claim 2, wherein, The second shell is connected to the first shell.

4. The window treatment moving device of claim 2, wherein, The hook is telescopically connected to the second shell and can elastically extend and retract relative to the second shell.

5. The window covering movement device of any one of claims 1-4, wherein, The hook is used for suspending the window curtain rod.

6. The window covering movement device of any one of claims 1-4, wherein, When the hook elastically retracts relative to the second shell, the moving wheel elastically contacts the window curtain rod under the action of the elastic retraction of the hook. The moving wheel drives the moving assembly and the hook assembly to move along the window curtain rod in a rotating state. The moving assembly further comprises a first motor and a first transmission module.

7. The window treatment moving device of claim 6, wherein, The first motor and the first transmission module are built in the first shell.

8. The window treatment moving device of claim 7, wherein, One end of the first transmission module is connected to the output end of the first motor. The other end of the first transmission module is connected to the moving wheel and drives the moving wheel to rotate along the axis thereof. The first transmission module is a gear transmission module, a synchronous belt transmission module or a chain transmission module.

9. The window treatment moving device of claim 8, wherein, The moving assembly further comprises a power supply. The power supply is built in the first shell and supplies power to the first motor.

10. The window treatment moving device of claim 8, wherein, The first shell and the second shell are detachable structures. The detachable structure is a buckle connection structure, a locking connection structure or a magnetic connection structure. The second shell is provided with a moving groove. The hook assembly further comprises a moving seat and a first elastic member. The hook is connected to the moving seat. The moving seat is movably connected to the moving groove. The hook is adjusted in height along with the movement of the moving seat. The two ends of the first elastic member are respectively connected to the shell and the moving seat. The first elastic member can apply an elastic force to the moving seat and drive the hook to move downward. The position of the hook is adjusted and controlled. The moving wheel elastically contacts the window curtain rod. The hook assembly further comprises a clamping member. The clamping member is movably connected to the second shell and clamps or separates from the moving seat. The moving seat is provided with a first clamping part. The clamping member is provided with a second clamping part. The second clamping part is clamped and connected with the first clamping part. When the second clamping part is clamped with the first clamping part, the hook is in an extended state relative to the second shell. When the second clamping part is separated from the first clamping part, the hook is in a retracted state relative to the second shell. A second elastic member is arranged between the clamping member and the second shell. The two ends of the second elastic member contact the clamping member and the second shell and apply an elastic force to the clamping member. The clamping member is clamped to the moving seat under the action of the second elastic member. The hook assembly further comprises a pressing member. The pressing member is movably connected to the second shell and contacts the clamping member. The pressing member is retracted relative to the second shell under the action of human and drives the clamping member to separate from the moving seat.

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