Toilet lid

Abstract

The present invention relates to a toilet lid, and specifically, one embodiment of the present invention may provide a toilet lid comprising: a toilet lid member assembly including a nozzle for spraying a cleaning liquid to a user; and a housing assembly in which at least a part of the toilet lid member assembly is accommodated, the housing assembly comprising: a base that supports the toilet lid member assembly and is detachably fixed to the ceramic toilet; a base cover disposed on the upper side of the base and detachably fastened to the base; and a fastening member fastening the base cover and the base, the fastening member moving downward to fasten the base cover and the base in a state in which the base cover is disposed on an upper side of the base, and the base cover being separated from the base by moving upward of the base in a state in which the base is fixed to the ceramic toilet.

Description

Technical Field

[0001] The invention relates to a toilet cover. Background Art

[0002] Typically, a toilet lid is mounted on top of a ceramic toilet bowl and cleans the user's body by spraying a cleaning fluid at a predetermined pressure. Such a toilet lid may include a bracket mounted on top of the ceramic toilet bowl, a toilet lid assembly that sprays the cleaning fluid toward the user, and a toilet lid body that houses the toilet lid assembly and is secured to the bracket.

[0003] In order to set such a toilet cover on a ceramic toilet, it is necessary to adjust the appropriate front and rear positions according to the sizes of the toilet cover and the ceramic toilet, and then fix the bracket on the ceramic toilet. After the bracket is fixed to the ceramic toilet, the toilet cover body can be fastened to the bracket.

[0004] However, when the toilet lid body base is connected to the upper shell covering the toilet lid body base by screws, although the screws located at the rear of the toilet lid body base can be released when the toilet lid is set on the ceramic toilet, it is difficult to properly release the screws due to interference with the water tank of the ceramic toilet located on the rear side of the toilet lid body, and there is a problem that the upper shell cannot be opened to open the interior of the toilet lid body.

[0005] The applicant's Korean Patent Publication No. 10-2017-0023306 discloses a "toilet cover device" (Patent Document 1). Patent Document 1 discloses a body comprising a lower frame fixedly mounted to a ceramic toilet bowl and an upper frame providing an interior space for accommodating the toilet cover components. The upper frame is joined downwardly to the lower frame for assembly.

[0006] However, in Patent Document 1, when the interior of the main body needs to be opened due to a malfunction of the toilet lid component, maintenance, etc., the user or operator needs to first remove the main body from the ceramic toilet and then separate the upper frame of the main body from the lower frame. In other words, in order to open the interior of the main body, the toilet lid needs to be removed from the ceramic toilet, so there is a problem that the main body separation operation is cumbersome and time-consuming. In addition, the operator needs to use a separate tool to remove the screws in the state of the inverted disassembled main body and separate the upper frame and the lower frame into the upper and lower parts. In other words, when the user removes the main body from the ceramic toilet and separates the upper frame and the lower frame in the inverted state, the user will see dirt and impurities accumulated on the bottom surface of the main body, which may cause psychological discomfort to the user. Summary of the Invention

[0007] Problems to be solved by the invention

[0008] One embodiment of the present invention is an invention made in consideration of the above background, and aims to provide a toilet cover. When the toilet cover component in the shell assembly fails or needs to be replaced, the base cover of the shell assembly can be removed in the upper side in the up and down directions without removing the toilet cover from the ceramic toilet.

[0009] Means used to solve problems

[0010] To achieve the above-mentioned purpose, a toilet cover according to an embodiment of the present invention includes: a toilet cover component assembly, including a nozzle for spraying cleaning liquid to the user; and a shell assembly, which accommodates at least a portion of the toilet cover component assembly, and the shell assembly includes: a base, which supports the toilet cover component assembly and is fixed to the ceramic toilet in a loadable and detachable manner; a base cover, which is arranged on the upper side of the base to be fastened to the base in a loadable and detachable manner; and a fastening member, which fastens the base cover and the base, and the fastening member moves downward when the base cover is arranged on the upper side of the base to fasten the base cover and the base, and when the base is fixed on the ceramic toilet, the base cover moves above the base.

[0011] In addition, the base includes: a base fastening portion extending in the up and down directions so as to be able to fasten the fastening member in the up and down directions; the base cover includes: a cover hole portion opening upward so that the fastening member can pass through the cover hole portion in the up and down directions; when the base cover is fixed to the base due to the fastening member, the fastening member can be inserted and fastened to the base fastening portion by passing through the cover hole portion downward.

[0012] In addition, the cover hole portion includes: one or more front side cover hole portions, which are arranged in the front portion of the base cover; and the base fastening portion includes: one or more front side fastening portions, which are arranged in the front portion of the base in a manner corresponding to the front side cover hole portions.

[0013] In addition, the cover hole portion includes: one or more rear side cover hole portions, which are arranged at the rear portion of the base cover; and the base fastening portion includes: one or more rear side fastening portions, which are arranged at the rear portion of the base in a manner corresponding to the rear side cover hole portions.

[0014] In addition, the housing assembly further includes a cover cap that selectively covers the cover hole portion. When the cover cap is released from covering the cover hole portion, the cover cap can expose the cover hole portion to the outside so that the fastening member can be operated.

[0015] In addition, the cap further includes a front cap selectively covering the front cover hole and the nozzle, and when the front cap is released from covering the cover hole, the front cover hole and the nozzle are exposed to the outside.

[0016] In addition, the cover cap further includes a rear cap selectively covering the rear side cover hole portion of the cover hole portion, and when the rear cap is released from covering the cover hole portion, the rear side cover hole portion is exposed to the outside.

[0017] In addition, the base also includes: a base frame portion; a rear side wall portion, which surrounds the rear side fastening portion and extends in the up and down directions and is formed behind the base frame portion; and a drainage hole portion, which is located between the rear side fastening portion and the rear side wall portion. When water flows into the rear side fastening portion through the cover hole portion, the drainage hole portion guides the flowing water to the outside.

[0018] In addition, the shell assembly also includes: a separation switch, which is elastically supported by the base in a manner capable of locking or unlocking the side wall of the base cover. When the user presses the separation switch, the separation switch moves to a lock-released state in which the lock on the side of the base cover is released. When the user releases the pressure on the separation switch, the separation switch moves to a position that locks the base cover due to the elastic force.

[0019] Effects of the Invention

[0020] In one embodiment of the present invention, when a toilet cover component in the shell assembly fails or needs to be replaced, the user can easily remove the base cover from the base along the upper and lower directions on the upper side of the shell assembly without removing the toilet cover from the ceramic toilet. This has the following effects: it is convenient for the user to repair the toilet cover or replace parts by himself, shortens the operation time required for repairing and replacing toilet cover parts, and improves the convenience of maintaining the toilet cover product.

[0021] In addition, in one embodiment of the present invention, the base fastening portion of the base and the cover hole portion of the base cover are formed as a structure that is open in the up and down directions, thereby having the following effects: the user can quickly identify the base fastening portion and the cover hole portion, and can easily combine or separate the base and the base cover through the fastening component.

[0022] In addition, in one embodiment of the present invention, cover holes are provided on the front and rear sides of the base cover so that both the front and rear sides can be disassembled, thereby improving the convenience of the toilet cover maintenance operation.

[0023] In addition, in one embodiment of the present invention, by providing a cap that selectively covers the cover hole portion, the following effects can be achieved: the fastening member can be protected from the outside, and the outer surface of the fastening member can be prevented from rusting or deformation due to being exposed to the outside.

[0024] Furthermore, in one embodiment of the present invention, by providing the drain hole portion and the drain guide portion in the cover hole portion of the base cover, the following effect can be achieved: water flowing into the cover hole portion can be smoothly drained to the outside.

[0025] In addition, in one embodiment of the present invention, by providing a separation switch that can selectively separate the side of the base cover from the side of the base by pressing, the following effect can be achieved: the base can easily and quickly release the lock of the base cover side.

[0026] In addition, in one embodiment of the present invention, when the base is separated from the base cover, since there is no need to invert the toilet cover body, there is no need to directly cover the dirt and impurities on the bottom surface of the toilet cover body, which has the following effect: the satisfaction with sanitary visibility can be improved.

[0027] In addition, in one embodiment of the present invention, the base cover moves up and down on the upper side of the base, thereby having the following effect: it is possible to prevent interference with the water tank of the ceramic toilet located behind the base cover when the base cover is separated from the upper side of the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a side view showing a toilet lid.

[0029] Figure 2 It is a perspective view showing the housing assembly of the toilet lid.

[0030] Figure 3 It is along Figure 2 A cross-sectional view cut along the line "Ⅰ-Ⅰ" is shown.

[0031] Figure 4 It is along Figure 2 A cross-sectional view cut along the line "Ⅱ-Ⅱ" is shown.

[0032] Figure 5 This is an exploded perspective view showing the shell assembly of the toilet lid after being disassembled.

[0033] Figure 6 Yes Figure 5 The "III" portion is enlarged and shown in an enlarged view.

[0034] Figure 7 This is a perspective view of the housing assembly of the toilet lid as seen from the rear side.

[0035] Figure 8 Yes Figure 7 The "Ⅳ" portion is enlarged and shown as an enlarged view.

[0036] Figure 9 It is along Figure 7 A cross-sectional view taken along the line "V-V".

[0037] Figure 10 This is an exploded perspective view showing the housing assembly of the toilet lid separated from the rear.

[0038] Figure 11 It is a plan view showing the base of the housing assembly. DETAILED DESCRIPTION

[0039] Specific embodiments for realizing the concept of the present invention will be described in detail below with reference to the accompanying drawings.

[0040] Furthermore, in the process of describing the present invention, when it is considered that a detailed description of the configuration or function of related known technologies would obscure the gist of the present invention, such detailed description will be omitted.

[0041] The terms used in this specification are only used to illustrate specific embodiments and are not intended to limit the present disclosure. Unless the context clearly indicates otherwise, expressions in the singular include expressions in the plural.

[0042] Please note that in this specification, descriptions of the top, bottom, and side surfaces are based on the figures. These descriptions may differ when the orientation of the corresponding object is changed. For similar reasons, some components may be exaggerated, omitted, or shown schematically in the figures, and the sizes of the components do not reflect the actual overall size.

[0043] The meaning of "comprising" used in the specification is to specify specific features, regions, integers, steps, actions, elements and / or components, but not to exclude the existence or addition of other specific features, regions, integers, steps, actions, elements, components and / or groups.

[0044] Hereinafter, the toilet seat will be described with reference to the accompanying drawings.

[0045] Reference Figure 1 According to one embodiment of the present invention, a toilet lid 1 is supported by a ceramic toilet bowl 2 and can spray cleaning fluid toward the user to clean the user's body. When the interior of the toilet lid 1 needs to be opened due to a malfunction of the toilet lid component or for maintenance, the toilet lid 1 can be disassembled without being removed from the ceramic toilet bowl 2 to open the interior. Such a toilet lid 1 may include a toilet lid component assembly 10, a housing assembly 20, a toilet seat 30, and a lid 40.

[0046] Reference Figures 2 to 11The toilet lid assembly 10 may belong to a toilet lid component class that provides toilet lid functionality. For example, the toilet lid assembly 10 may include a nozzle 11 for spraying cleaning fluid or air toward the user, and a control device, similar to the base plate, for controlling the operation of the nozzle 11. The nozzle 11 may include an air nozzle 11a for spraying air toward the user, and a cleaning nozzle 11b for spraying cleaning fluid toward the user. The air nozzle 11a and the cleaning nozzle 11b may be positioned adjacent to each other in the left-right direction at the front portion of the toilet lid.

[0047] The housing assembly 20 can support the components of the toilet lid assembly 10. The interior of the housing assembly 20 can accommodate at least a portion of the toilet lid assembly 10. The housing assembly 20 can include a base 100, a base cover 200, a cover cap 300, a disconnect switch 400, and a fastening member 500.

[0048] The base 100 can be detachably fixed to the ceramic toilet bowl 2. The base 100 can support the toilet lid assembly 10. The base cover 200 can be detachably fixed to the upper portion of the base 100. In addition, the base 100 can be configured so that the base cover 200 moves upward and separates from the base 100 when the base cover 200 is separated. The base 100 can include a base frame portion 110, a base fastening portion 120, a rear sidewall portion 130, and a drain hole portion 140.

[0049] The base frame portion 110 may be formed in a plate-like shape. When the base cover 200 is secured to the base 100, the edge of the base frame portion 110 may be covered and obscured by the edge of the base cover 200. A base hole 111 may be formed at the edge of the base frame portion 110, through which the disconnect switch 400 can enter and exit. The base hole 111 may be larger than the switch portion 410 of the disconnect switch 400.

[0050] The fastening member 500 can be fastened to the base fastening portion 120 in the vertical direction. The base fastening portion 120 can be formed in the form of a screw groove extending in the vertical direction. When the base cover 200 is fixed to the base 100, the base fastening portion 120 can be located on the same extension line in the vertical direction as the cover hole portion 220.

[0051] The base fastening portion 120 can be divided into a front fastening portion 120a and a rear fastening portion 120b based on its location on the base cover 200. The front portion of the base 100 can be provided with one or more front fastening portions 120a. For example, a pair of front fastening portions 120a can be provided, and the pair of front fastening portions 120a can be spaced apart and arranged on the front portion of the base 100 with the nozzle positioned in the middle. The pair of front fastening portions 120a can be arranged corresponding to the front cover hole 220a of the base 100. The rear portion of the base 100 can be provided with one or more rear fastening portions 120b. For example, a pair of rear fastening portions 120b can be spaced apart and arranged on both sides of the rear portion of the base 100. The rear fastening portions 120b can be arranged below the rear cover hole 220b of the base cover 200, corresponding thereto.

[0052] The rear wall portion 130 may be a guide wall formed behind the base frame portion 110. The rear wall portion 130 may surround the rear fastening portion 120b and extend in the vertical direction. When water flows in through the rear cover hole 220b, the rear wall portion 130 may guide the water flowing in from the rear cover hole 220b toward the drain hole 140.

[0053] The drain hole 140 may be located between the rear fastening portion 120b and the rear sidewall portion 130. The drain hole 140 may connect the inner space of the base 100 with the outer space of the base 100. Furthermore, the drain hole 140 may be formed in the area within the inner space of the base 100 surrounded by the rear sidewall portion 130. When water flows into the rear fastening portion 120b through the cover hole 220, the drain hole 140 may guide the water flowing in from the cover hole 220 to the outside.

[0054] The base cover 200 can be detachably fixed to the base 100. The base cover 200 can be arranged on the upper side of the base 100. When the base 100 is fixed to the ceramic toilet, the base cover 200 can be separated from the base 100 by moving it upward from the base 100. The base cover 200 can be separated from the base 100 by moving it upward from the base 100, and can be fixed to the base 100 by moving it toward the base 100 and downward. When the base cover 200 is fixed to the base 100, the base cover 200 can be fastened to the base 100 by a fastening member 500. The base cover 200 may include a lid frame portion 210, a lid hole portion 220, a front side wall portion 230, and a drainage guide portion 240.

[0055] The cover frame portion 210 may be formed in the form of a cover that covers the base 100. A frame hole 211 may be formed on the edge of the cover frame portion 210, through which the disconnect switch 400 can be inserted and removed. The frame hole 211 may be larger than at least a portion of the disconnect switch 400 (i.e., the switch portion 410 of the disconnect switch 400). When the base cover 200 is secured to the base 100, the frame hole 211 may be positioned opposite the base hole 111 of the base 100.

[0056] The cover hole 220 may open upward at the front and rear of the lid frame 210. The fastening member 500 may vertically penetrate the cover hole 220. The cover hole 220 may have a shape capable of fixing the head of the fastening member 500.

[0057] The cover hole portion 220 can be divided into a front cover hole portion 220a and a rear cover hole portion 220b based on its position on the base cover 200. The front portion of the base cover 200 may be provided with one or more front cover hole portions 220a. For example, a pair of front cover hole portions 220a may be spaced apart and disposed on the front portion of the base cover 200. The pair of front cover hole portions 220a may be disposed above the front fastening portion 120a of the base cover 200, corresponding thereto. The rear portion of the base cover 200 may be provided with one or more rear cover hole portions 220b. For example, a pair of rear cover hole portions 220b may be spaced apart and disposed on the rear portion of the base cover 200. The pair of rear cover hole portions 220b may be disposed above the rear fastening portion 120b of the base 100, corresponding thereto.

[0058] The front side wall portion 230 may be a guide wall formed in front of the cover frame portion 210. The front side wall portion 230 may be disposed so as to face the front of the cover frame portion 210. When water flows into the front side cover hole portion 220a, the front side wall portion 230 may guide the water flowing into the front side cover hole portion 220a to the drainage guide portion 240.

[0059] The drainage guide 240 can guide water flowing into the front side cover hole 220a to the outside. In the drawings according to this embodiment, although the drainage guide 240 is shown as extending horizontally forward from the front side wall 230, it is not limited thereto. In order to smoothly guide and drain the water to the outside, it can be extended forward and downward in an inclined manner.

[0060] The cap 300 can be a cap that selectively covers the cover hole 220. When the cap 300 is removed from the cover hole 220, the cap 300 exposes the cover hole 220 to the outside, allowing access to the fastening member 500. The cap 300 can be divided into a front cap 300a and a rear cap 300b, depending on its position on the base cover 200. The front cap 300a selectively covers the front cover hole 220a and the nozzle 11. When the front cap 300a is removed from the cover hole 220, the front cap 300a exposes the front cover hole 220a and the nozzle 11. The rear cap 300b selectively covers the rear cover hole 220b of the cover hole 220. When the rear cap 300b is removed from the cover hole 220, the rear cap 300b exposes the rear cover hole 220b.

[0061] The disconnect switch 400 can lock or unlock the sides of the base 100 and base cover 200. The disconnect switch 400 can be elastically supported by the base 100 so that at least a portion thereof can selectively lock the sides of the base cover 200. When a user presses the disconnect switch 400, the disconnect switch 400 can move to a unlocked state, in which the disconnect switch 400 unlocks the sides of the base cover 200. When the user releases the pressure, the disconnect switch 400 can be elastically moved to a locked state, in which the disconnect switch 400 locks the sides of the base cover 200. The disconnect switch 400 may include a switch portion 410, an elastic member 420, and a support sheet portion 430.

[0062] The switch portion 410 may be a button that can be pressed by a user. The switch portion 410 may be configured to be movable in the left-right direction of the base 100. At least a portion of the switch portion 410 may be disposed between the base hole 111 and the frame hole 211 of the base 100. When the user presses the switch portion 410, the switch portion 410 disengages from the frame hole 211, allowing the side of the base cover 200 to be removed from the side of the base 100.

[0063] The elastic member 420 can be elastically supported between the switch portion 410 and the support sheet 430. When the user presses the switch portion 410, the elastic member 420 is elastically compressed. When the user releases the pressure on the switch portion 410, the elastic member 420 is released from the elastic compression state and returns to the original state.

[0064] The support piece 430 can support the switch unit 410 via the elastic member 420. The support piece 430 can be disposed on a side of the base 100. In the left-right direction of the base 100, the support piece 430 can be coaxial with the elastic member 420 and the switch unit 410.

[0065] When the base cover 200 is fixed to the base 100, the fastening member 500 can penetrate the base cover 200 and fasten the base 100. For example, the fastening member 500 can be a screw that is fastened to the base cover 200 and the base 100 by rotation. When the base cover 200 is placed on the upper side of the base 100, the fastening member 500 is sequentially inserted into the cover hole portion 220 and the base fastening portion 120 on the upper side of the base cover 200, thereby fastening the base cover 200 and the base 100.

[0066] The toilet seat 30 can provide a portion on which a user can sit. The toilet seat 30 can be formed so as to be rotatable relative to the housing assembly 20. The toilet seat 30 can be supported by at least a portion of the ceramic toilet bowl 2. The toilet seat 30 can be wrapped and protected by a cover 40.

[0067] The lid 40 can open or close the interior of the ceramic toilet bowl 2 relative to the outside. The lid 40 can be configured to rotate relative to the housing assembly 20. The lid 40 can be connected to a predetermined rotation axis so as to be rotatable relative to the housing assembly 20. The lid 40 can rotate about the rotation axis between a closed position, which closes the ceramic toilet bowl 2, and an open position, which opens the ceramic toilet bowl 2.

[0068] The following describes the functions and effects of the toilet seat.

[0069] As for the toilet cover 1, when the toilet cover components in the shell assembly 20 fail or need to be replaced, the user can easily remove the base cover 200 from the base 100 in the up and down directions on the upper side of the shell assembly 20 without removing the toilet cover from the ceramic toilet.

[0070] When the base cover 200 is separated from the base 100 by moving it upward from the base 100, the cap 300 can be separated from the cover hole portion 220 of the base cover 200. When the cap 300 is separated from the cover hole portion 220, the fastening member 500 is exposed in the cover hole portion 220, and the fastening member 500 is in a state that can be operated by the user. When the user presses the separation switch 400, the side of the base cover 200 can be in a state that can be separated from the side of the base 100.

[0071] When the fastening member 500 is removed from the cover hole 220 and the separation switch 400 is pressed, the base cover 200 moves upward on the upper side of the base 100, so that the base cover 200 can be separated from the base 100. Since the base cover 200 moves upward and separates from the base 100, the base cover 200 can be prevented from interfering with the water tank of the ceramic toilet.

[0072] Furthermore, when the base cover 200 and the base 100 are fastened together by the fastening member 500, the cap 300 covers the cover hole 220 of the base cover 200, thereby protecting the fastening member 500 from the outside and preventing rust or deformation on the outer surface of the fastening member 500 due to being exposed to the outside. Furthermore, by providing the drain hole 140 and the cover hole 220 of the base cover 200, water that has flowed into the cover hole 220 can be drained smoothly to the outside.

[0073] Although the embodiments of the present invention are described with reference to the above-mentioned specific embodiments, this is merely an example, and the present invention is not limited thereto, and should be understood to have the widest scope of the technical ideas disclosed in this specification. Those skilled in the art can implement patterns of unspecified shapes by combining / replacing the disclosed embodiments, but this does not depart from the scope of the present invention. In addition, those skilled in the art can easily change or deform the embodiments disclosed in this specification, and such changes or deformations also clearly fall within the scope of the present invention.

Claims

1. A toilet seat, characterized in that: include: The toilet seat assembly includes a nozzle for spraying cleaning fluid toward the user, and a housing assembly, accommodating at least a portion of the toilet cover component assembly therein; The housing assembly comprises: The base supports the toilet cover assembly and can be detachably fixed to the ceramic toilet. a base cover disposed on the upper side of the base and detachably fastened to the base, and a fastening member, fastening the base cover and the base; The fastening member moves downward in a state where the base cover is arranged on the upper side of the base, thereby fastening the base cover and the base. In a state where the base is fixed to the ceramic toilet, the base cover is separated from the base by moving upward from the base.

2. The toilet seat according to claim 1, wherein: The base comprises: a base fastening portion extending in the vertical direction so as to be capable of fastening the fastening member in the vertical direction; The base cover comprises: a cover hole portion, opening upward, so that the fastening member can pass through the cover hole portion in the vertical direction; When the base cover is fixed to the base by the fastening member, the fastening member is inserted through the cover hole downward and fastened to the base fastening portion.

3. The toilet cover according to claim 2, characterized in that: The cover hole portion includes: One or more front side cover holes are provided in the front portion of the base cover. The base fastening portion includes: One or more front-side fastening portions are provided on the front portion of the base so as to correspond to the front-side cover hole portions.

4. The toilet seat according to claim 3, characterized in that: The cover hole portion includes: One or more rear side cover hole portions are provided at the rear portion of the base cover; The base fastening portion includes: One or more rear-side fastening portions are provided on the rear portion of the base so as to correspond to the rear-side cover hole portions.

5. The toilet seat according to claim 4, characterized in that: The housing assembly further comprises: a cover cap selectively covering the cover hole portion; When the cover hole portion is uncovered by the cover cap, the cover cap exposes the cover hole portion to the outside so that the fastening member can be operated.

6. The toilet seat according to claim 5, characterized in that: The cap further comprises: a front cap selectively covering the front side cover hole portion and the nozzle; When the cover hole portion is covered by the front cap, the front cover hole portion and the nozzle are exposed to the outside.

7. The toilet seat according to claim 5, characterized in that: The cap further comprises: a rear cap selectively covering a rear side cover hole portion of the cover hole portion; When the cover hole portion is covered by the rear cap, the rear cover hole portion is exposed to the outside.

8. The toilet seat according to claim 6, characterized in that: The base further comprises: Base frame part, a rear side wall portion, surrounding the rear side fastening portion, extending in the up-down direction, and formed behind the base frame portion; and The drainage hole is located between the rear fastening portion and the rear wall portion, and when water flows into the rear fastening portion through the cover hole, the drainage hole guides the inflowing water to the outside.

9. The toilet seat according to claim 1, characterized in that: The housing assembly further comprises: a separation switch elastically supported by the base in a manner capable of locking or unlocking the side wall of the base cover; When the user presses the separation switch, the separation switch moves to a lock release state for releasing the lock on the side of the base cover. When the user releases the pressure on the separation switch, the separation switch moves to a lock state for locking the base cover by elastic force.

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