CN218336672U - Housing device and electrical apparatus - Google Patents

Abstract

The utility model relates to the technical field of electrical equipment, the utility model provides a shell device and electrical equipment, shell device includes the main casing body and protecting cover, the main casing body has relative front panel and the rear panel that sets up, utilize the corner of front panel, set up the tilt panel, make the tilt panel slope to the rear panel, breach and protrusion in the tilt panel setting on the function button accessible tilt panel, the rethread sets up the protecting cover, make the protecting cover rotate between primary importance and secondary location for the main casing body, can realize hiding and exposing of function button through the rotation of protecting cover, thereby play protection switch's effect. The utility model provides a casing device utilizes the corner position of front panel, plays the effect that prevents the mistake and touch to the function button through the protecting cover, and casing device need not to occupy the inside assembly space of main casing body, is favorable to the inside space utilization of improve equipment.

Description

Housing device and electrical apparatus

Technical Field

The application belongs to the technical field of electrical equipment, and more specifically relates to a shell device and electrical equipment.

Background

In electrical equipment, such as common inverter equipment, a power switch for controlling the overall power on is usually arranged, so that the power switch is generally arranged to protrude out of a casing of the equipment for the convenience of a user, but the power switch arranged to protrude out of the casing is prone to being touched by mistake. Based on this, some electrical equipment are through fluting on the casing, hold the switch in the cell body, and the mistake of switch touches the protection in the mode of the rethread lid with the notch closing cap, but this kind of design needs to occupy more casing assembly space.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a casing device and electrical equipment to solve the technical problem that the casing device of the electrical equipment in the prior art occupies more assembly space for the protection switch button and leads to the reduction of equipment casing space utilization.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: providing a housing arrangement comprising:

the main shell is provided with a front panel and a rear panel which are opposite, the front panel comprises a main panel and an inclined panel connected to the corner of the main panel, the inclined panel inclines towards the rear panel, and the inclined panel is provided with a notch for exposing a function button;

a protective cover rotationally coupled to the main housing and configured to be rotatable between a first position and a second position, the protective cover configured to cover the function button when rotated to the first position and configured to expose the function button when rotated to the second position.

Optionally, when the protecting cover rotates to the first position, an opening is formed between the protecting cover and the inclined panel, and the opening is used for shifting the protecting cover for an external object to provide a space.

Optionally, a side of the protective cover facing the inclined panel forms a groove, and the groove and the inclined panel jointly enclose to form the opening.

Optionally, the main panel is adjacent to the inclined panel is provided with a mounting groove, a connecting column is arranged in the mounting groove, and the connecting column is rotatably connected with the protecting cover.

Optionally, the protecting cover includes the lid, with arc portion that the lid is connected and with the engaging lug that arc portion is connected, the engaging lug deviates from one side of arc portion with the spliced pole rotates to be connected.

Optionally, one of the connecting lug and the connecting column is provided with a limiting protrusion, the other is provided with a limiting hole, and the limiting protrusion is matched with the limiting hole to limit the cover body to the first position.

Optionally, a first fixing column is arranged in the mounting groove, a second fixing column is arranged on the arc-shaped portion, an elastic piece is connected between the first fixing column and the second fixing column, and the elastic piece provides a force for enabling the cover body to rotate from the first position to the second position.

Optionally, the arc portion is provided with a reinforcing rib, an avoiding notch is formed in the groove wall of the mounting groove corresponding to the reinforcing rib, and the avoiding notch is used for avoiding the reinforcing rib.

Optionally, the housing device further includes a cover plate connected to the main panel and covering the main panel, and when the protecting cover rotates to the first position, the cover plate is flush with the cover body.

The present application also provides an electrical apparatus comprising an electronic component and a housing arrangement as described above, the electronic component being located in the housing arrangement.

The application provides a shell device's beneficial effect lies in: compared with the prior art, the casing device of this application includes the main casing body and protecting cover, the main casing body has relative front panel and the rear panel that sets up, utilize the corner of front panel, set up the tilt panel, make tilt panel slope to the rear panel, breach and protrusion in the tilt panel setting on the tilt panel of function button accessible, the rethread sets up the protecting cover, make the protecting cover can rotate between primary importance and second place for the main casing body, can realize hiding and exposing of function button through the rotation of protecting cover, thereby play protection switch's effect. The utility model provides a casing device utilizes the corner position of front panel, plays the effect that prevents the mistake and touch to the function button through the protecting cover, and casing device need not to occupy the inside fitting space of the main casing body, is favorable to the inside space utilization of improve equipment.

The application provides an electrical equipment's beneficial effect lies in: through adopting the housing arrangement that this application provided, the electrical equipment internal assembly space of this application can effectively utilize, and electrical equipment's whole outward appearance is pleasing to the eye clean and tidy.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic overall structural diagram of an electrical device provided in an embodiment of the present application;

fig. 2 is a schematic diagram of a disassembled structure of a housing device according to an embodiment of the present application;

FIG. 3 is a first schematic view of an assembly structure of the main housing and the protecting cover according to the embodiment of the present disclosure (the protecting cover is rotated to the first position);

fig. 4 is a second schematic view of an assembly structure of the main housing and the protecting cover according to the embodiment of the present application (the protecting cover is rotated to the second position);

FIG. 5 is a partially enlarged schematic view of FIG. 4;

FIG. 6 is a schematic structural view of the main housing provided in the embodiment of the present application (with the cover plate and the protective cover removed);

FIG. 7 is an enlarged partial view of FIG. 6;

FIG. 8 is a first schematic view of a protective cover according to an embodiment of the present disclosure;

FIG. 9 is a second schematic structural view of a protective cover according to an embodiment of the present disclosure.

Wherein, in the figures, the respective reference numerals:

10. a main housing; 11. A front panel; 111. A main panel;

1111. mounting grooves; 1112. Avoiding the gap; 1113. Connecting columns;

1114. a limiting bulge; 1115. A first fixed column; 112. An inclined panel;

1121. an opening; 12. A rear panel; 20. A protective cover;

21. a cover body; 211. A through hole; 212. A groove;

22. an arc-shaped portion; 221. Reinforcing ribs; 222. A second fixed column;

23. connecting lugs; 231. A limiting hole; 30. An elastic member;

40. a cover plate; 41. A notch; 50. Function buttons.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. 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.

Now, the housing device provided in the embodiment of the present application is described, in order to prevent some important switch buttons (such as a power switch) from being touched by mistake, the switch buttons are usually hidden at the bottom of the device to prevent being touched by mistake in the existing electrical equipment, but this way is inconvenient for users to use. The equipment in addition sets up shift knob in the recess that the casing formed and through setting up the lid with recess looks adaptation in order hiding the switch, prevents to miss to touch, but this kind of mode need occupy the fitting space of equipment, and the aesthetic property is relatively poor. Based on this, this application designs casing device, through the installation area who utilizes the corner part formation shift knob of the main casing body, the rethread pivoted protecting cover hides shift knob, plays the effect that prevents the switch mistake and touch promptly, need not occupy the assembly space of equipment again, and the casing device of this application can be applied to among the electrical equipment of all kinds, has very strong commonality.

The housing device of the embodiment of the present application is described in detail below with reference to the drawings:

referring to fig. 1 and fig. 2, the housing device of the present embodiment includes a main housing 10 and a protective cover 20, wherein the main housing 10 has a front panel 11 and a rear panel 12 opposite to each other, a front side of the main housing 10 facing a user is a front side, and a rear side of the main housing is a rear side opposite to the front side, an assembly space of the main housing 10 is formed between the front panel 11 and the rear panel 12, and related electronic components of the electrical apparatus can be assembled in the assembly space as required. The front panel 11 includes a main panel 111 and an inclined panel 112 connected to a corner of the main panel 111, the inclined panel 112 being inclined toward the rear panel 12, the inclined panel 112 having a notch for exposing the function button 50. The main panel 111 and the inclined panel 112 at the corner thereof may be integrally formed, or may be separately formed and connected by a certain connection method (such as bonding or welding). The inclined panel 112 is inclined towards the direction of the rear panel 12, an included angle between a plane where the inclined panel 112 is located and a plane where the main panel 111 is located is greater than 0 ° and less than 90 °, and the size of the included angle may be set as required, for example, the included angle between the inclined panel 112 and the main panel 111 is set to be 30 ° or 45 °, and the size of the included angle is not particularly limited. The inclined panel 112 is provided with a notch, the function button 50 can be mounted on the inclined panel 112 through the notch, and the function button 50 is exposed out of the inclined panel 112 through the notch and protrudes out of the inclined panel 112.

In other embodiments, one end of the function button 50 may be fixed inside the housing device, and the other end of the function button 50 protrudes out of the inclined panel 112 through a notch of the inclined panel 112 so as to be exposed to the outside of the housing device.

Wherein protective cover 20 is rotatably coupled to main housing 10 and configured to be rotatable between a first position and a second position, protective cover 20 being configured to cover function button 50 when rotated to the first position and configured to expose function button 50 when rotated to the second position. The first position may be defined as a position in which the protective cover 20 is closed with respect to the inclined panel 112, i.e., the protective cover 20 is entirely rotated to be close to or in contact with the inclined panel 112, and in this position, the protective cover 20 covers the function button 50, thereby protecting the function button 50 from accidental contact; the second position may be defined as a position in which the protective cover 20 is opened with respect to the inclined panel 112, i.e., the protective cover 20 is rotated away from the inclined panel 112, and at this position, the protective cover 20 loses the protection of the function button 50, and the function button 50 is exposed on the upper surface of the inclined panel 112 and protrudes from the upper surface of the inclined panel 112, where the upper surface of the inclined panel 112 refers to the surface of the inclined panel 112 opposite to the rear panel 12.

When the protective cover 20 is in the second position, the user may operate the function button 50 to perform the related control on the electrical device, and when the operation is completed, the protective cover 20 is rotated to the first position, so that the protective cover 20 covers the function button 50.

The rotational connection of the protective cover 20 to the main housing 10 can be achieved by various means, such as a rotating shaft, a hinge, or other means.

In specific design, the housing device according to the embodiment of the present application may be correspondingly disposed according to the number of the function buttons 50 that need to be protected in the electrical device, that is, the housing device according to the embodiment of the present application may be disposed at different corner positions of the front panel 11 of the main housing 10.

The utility model provides a housing arrangement, compared with the prior art, including main casing body 10 and protecting cover 20, main casing body 10 has relative front panel 11 and the rear panel 12 that sets up, utilize the corner of front panel 11, set up tilt panel 112, make tilt panel 112 incline towards rear panel 12, notch on the function button 50 accessible tilt panel 112 and protrusion in tilt panel 112 setting, the rethread sets up protecting cover 20, make protecting cover 20 can rotate between primary importance and secondary location for main casing body 10, can realize hiding and exposing of function button 50 through the rotation of protecting cover 20, thereby play protection switch's effect. The utility model provides a casing device utilizes the corner position of front panel 11, plays the effect that prevents the mistake and touch to function button 50 through protecting cover 20, and casing device need not to occupy the inside assembly space of main casing body 10, is favorable to the inside space utilization of improve equipment.

In another embodiment of the present application, referring to fig. 1, when the protecting cover 20 is rotated to the first position, an opening 1121 is formed between the protecting cover 20 and the inclined panel 112, and the opening 1121 is used to provide a space for an external object to poke the protecting cover 20.

Specifically, referring to fig. 1, in the present embodiment, when the protective cover 20 is in the first position, i.e., the position covering the function button 50, an opening 1121 is formed between the protective cover 20 and the inclined panel 112, and a user can pull the protective cover 20 through the opening 1121 by hand or by using other tools, so that the protective cover 20 can be conveniently rotated to the second position. The opening 1121 may be formed mainly by the inclined panel 112 being inclined toward the rear panel 12.

In another embodiment of the present application, referring to fig. 1 and 9, a recess 212 is formed on a side of the protecting cover 20 facing the inclined panel 112, and the recess 212 and the inclined panel 112 together form the opening 1121 of the above-mentioned embodiment.

Specifically, in the present embodiment, the recess 212 is formed on the side of the protective cover 20 facing the inclined panel 112, so that when the protective cover 20 is at the first position, the recess 212 and the inclined panel 112 together form an opening 1121, and a user can pull the protective cover 20 through the opening 1121 with a hand or other tool, so that the protective cover 20 can be conveniently rotated to the second position. In the present embodiment, the opening 1121 is defined primarily by the inclined panel 112 and the recess 212 of the cover 20.

Alternatively, in one embodiment, the recess 212 is of arcuate design, with the arcuate face of the arcuate recess 212 facing the upper surface of the protective cover 20, i.e., the side of the protective cover 20 facing away from the angled panel 112. When the user pulls the protective cover 20 with a hand through the opening 1121, the arc of the arc-shaped groove 212 may improve the force applied by the hand of the user, thereby facilitating the user experience of rotating the protective cover 20.

Alternatively, recess 212 may be sized as desired, and may be generally designed to fit a single finger or two fingers of a human body, thereby facilitating the user's manual handling of protective cover 20.

In another embodiment of the present application, referring to fig. 2 to fig. 7, a mounting groove 1111 is formed on the main panel 111 adjacent to the inclined panel 112, a connection post 1113 is disposed in the mounting groove 1111, and the connection post 1113 is rotatably connected to the protecting cover 20.

Specifically, referring to fig. 2, in the present embodiment, the opening position of the mounting groove 1111 is adjacent to the inclined panel 112, that is, the mounting groove 1111 is also located at the corner of the main panel 111, and does not occupy the assembly space corresponding to other areas of the main panel 111. Referring to fig. 5, the height of the connecting column 1113 disposed in the mounting groove 1111 is matched with the depth of the mounting groove 1111, or the height of the connecting column 1113 is smaller than the depth of the mounting groove 1111. The spliced pole 1113 is connected with the rotation of protecting cover 20, and the accessible is trompil on spliced pole 1113, rotates with protecting cover 20 through the round pin axle of wearing to locate downthehole and is connected.

In another embodiment of the present application, referring to fig. 5, 8 and 9, the protective cover 20 comprises a cover body 21, an arc portion 22 connected to the cover body 21, and an engaging lug 23 connected to the arc portion 22, wherein a side of the engaging lug 23 facing away from the arc portion 22 is rotatably connected to the connecting post 1113.

Specifically, combine fig. 5, in this embodiment, protecting cover 20 rotates with spliced pole 1113 through engaging lug 23 and is connected, optionally, the quantity of engaging lug 23 is two, two engaging lugs 23 are connected simultaneously in arc portion 22 with one end, two engaging lugs 23 deviate from one side of arc portion 22 and rotate with spliced pole 1113 simultaneously and be connected, correspondingly, combine fig. 7, can set up the spliced pole 1113 that corresponds to each engaging lug 23, set up the connecting hole on spliced pole 1113, engaging lug 23 inserts in the connecting hole, engaging lug 23 can be at the connecting hole internal rotation, can realize that engaging lug 23 is connected with spliced pole 1113's rotation.

Specifically, the cover 21 is mainly used to cover the function button 50, the arc-shaped portion 22 connects the cover 21 and the connecting lug 23, and by providing the arc-shaped portion 22, when the protective cover 20 rotates between the first position and the second position, the rotation path thereof occupies a smaller space, so that the overall structure of the housing device is more compact, and the interference to the assembly space of the main housing 10 is further reduced.

In another embodiment of the present application, referring to fig. 3, 8 and 9, the cover 21 is formed with a through hole 211 for receiving the function button 50, the height of the function button 50 is less than or equal to the depth of the through hole 211, and the protective cover 20 is configured to receive the function button 50 in the through hole 211 when rotated to the first position, and to separate and expose the function button 50 from the through hole 211 when rotated to the second position.

Specifically, with reference to fig. 3, in the present embodiment, the protective cover 20 is designed to be windowed (i.e., the through hole 211 mentioned above), and the height of the function button 50 protruding from the inclined panel 112 is smaller than or equal to the depth of the through hole 211, when the protective cover 20 is at the first position, with reference to fig. 3, the function button 50 is hidden in the through hole 211, and the protective cover 20 protects the function button 50, and at the same time, the through hole 211 can expose the function button 50, so that the user can conveniently and quickly observe the position of the function button 50 through the through hole 211, thereby improving the convenience of the user when using the device.

In another embodiment of the present application, the connecting lug 23 is provided with a limiting protrusion, the connecting column 1113 is provided with a limiting hole, and the limiting protrusion cooperates with the limiting hole to limit the cover 21 to the first position.

Specifically, when lid 21 rotated to the primary importance by the second place, spacing arch played the effect of location with spacing hole, and when lid 21 rotated to the primary importance, spacing arch just formed the cooperation with spacing hole, and spacing arch slided in spacing downthehole to this gives the information that rotates the target in place, and cooperatees through spacing arch and spacing hole, so that lid 21 was difficult to break away from the primary importance, further improved the stability of lid 21 protection.

Optionally, in other embodiments, please refer to fig. 7, 8 and 9, a limiting hole 231 may be formed in the connecting lug 23, a limiting protrusion 1114 is formed on the connecting post 1113, or the limiting hole 231 and the limiting protrusion are simultaneously formed in the connecting lug 23, a limiting hole and a limiting protrusion 1114 are also simultaneously formed in the connecting post 1113, and the limiting hole and the limiting protrusion are matched with each other in the connecting lug 23 and the connecting post 1113 to limit the cover 21, so that stability of the cover 21 at the first position can be ensured, and a user can conveniently determine whether the cover 21 is rotated in place.

When the cover 21 is rotated from the first position to the second position, the stopper 1114 is disengaged from the stopper hole 231.

In another embodiment of the present application, referring to fig. 5, a first fixing post 1115 is disposed in the mounting groove 1111, a second fixing post 222 is disposed on the arc portion 22, an elastic member 30 is connected between the first fixing post 1115 and the second fixing post 222, and the elastic member 30 provides a force for rotating the cover 21 from the first position to the second position.

Specifically, in the present embodiment, the elastic element 30 can be fixedly mounted through the first fixing post 1115 in the mounting groove 1111 and the second fixing post 222 on the arc-shaped portion 22, and the elastic element 30 is connected between the first fixing post 1115 and the second fixing post 222 with a certain pre-tightening tension. The elastic member 30 can improve the stability of the cover 21 rotating from the first position to the second position, i.e. improve the stability of the cover 21 in the opening and closing process.

Alternatively, the elastic member 30 may be selected in any form as required, such as a torsion spring, an extension spring, and the like.

In another embodiment of the present application, please refer to fig. 5, the arc portion 22 is provided with a reinforcing rib 221, the groove wall of the mounting groove 1111 is provided with an avoiding notch 1112 corresponding to the reinforcing rib 221, and the avoiding notch 1112 is used for avoiding the reinforcing rib 221.

Specifically, in the present embodiment, the reinforcing ribs 221 are disposed on the arc-shaped outer surface of the arc-shaped portion 22, optionally, the direction of disposing the reinforcing ribs 221 is along the turning direction of the protecting cover 20, and the number of the reinforcing ribs 221 may be set according to actual needs, for example, one, two or more reinforcing ribs 221 are disposed, and multiple reinforcing ribs 221 are disposed at even intervals. By providing the reinforcing ribs 221 to enhance the strength of the arc-shaped portion 22, the durability of the arc-shaped portion 22 can be improved.

In order to ensure the smooth turning of the arc portion 22, an escape notch 1112 is provided in a groove wall of the mounting groove 1111, the escape notch 1112 is located at a position corresponding to the position of the bead 221, and the bead 221 can move smoothly in the escape notch 1112. By providing the escape notch 1112, the rotation of the arc portion 22 can be facilitated, and the overall structure of the housing device can be improved.

In another embodiment of the present application, referring to fig. 1 and 2, the housing device further includes a cover plate 40, the cover plate 40 is connected to the main panel 111 and covers the main panel 111, and when the protective cover 20 is rotated to the first position, the cover plate 40 is flush with the cover 21.

Specifically, in the present embodiment, the cover plate 40 completely covers the main panel 111, and the cover plate 40 covers the mounting groove 1111 of the main panel 111 but does not cover the inclined panel 112. Alternatively, in one embodiment, the cover 40 matches the shape of the main panel 111, and when the protective cover 20 is in the first position, i.e. in the position of the protective function button 50, the surface of the cover 40 is flush with the surface of the cover 21, i.e. the cover 40 and the cover 21 are joined together to form a plane, which can completely cover the main panel 111 and the inclined panel 112. The cover plate 40 is matched with the protective cover 20, so that the appearance of the shell device is attractive and neat.

In another embodiment of the present application, referring to fig. 2, a notch 41 is formed on a side of the cover plate 40 close to the inclined panel 112, and a space for the arc portion 22 to rotate is formed between the notch 41 and the mounting groove 1111.

Specifically, in this embodiment, when the protecting cover 20 is turned over between the first position and the second position, in order to prevent the cover plate 40 from obstructing the turning of the protecting cover 20, the notch 41 is opened on one side of the cover plate 40 close to the inclined panel 112, i.e. one side of the cover plate 40 spliced with the cover body 21, so that the arc portion 22 of the protecting cover 20 can be avoided through the notch 41, and the cover body 21 can be smoothly turned over.

The present application also provides an electrical apparatus, as shown in fig. 1, including:

the electronic component and the housing device in any one of the above embodiments, the electronic component is located in the housing device, wherein the front panel 11, the rear panel 12 and the side panels connected to the front panel 11 and the rear panel 12 in the housing device jointly enclose to form an accommodating cavity, and the electronic component is located in the accommodating cavity. The electronic components comprise various electronic components and corresponding control chips and the like.

The electrical equipment of this application embodiment plays the effect that prevents the mistake and touch through protecting cover 20 to function button 50 through the corner position that utilizes casing assembly front panel 11, and casing assembly need not to occupy the inside fitting space of main casing body 10, is favorable to improving the inside space utilization of equipment.

The present application is intended to cover various modifications, equivalent arrangements, and adaptations of the present application without departing from the spirit and scope of the present application.

Claims (10)

1. A housing assembly, comprising:

a main housing having opposing front and rear panels, the front panel including a main panel and a tilt panel connected to a corner of the main panel, the tilt panel being tilted toward the rear panel, the tilt panel having a notch for exposing a function button;

a protective cover rotationally connected with the main housing and configured to be rotatable between a first position and a second position, the protective cover configured to cover the function button when rotated to the first position and configured to expose the function button when rotated to the second position.

2. The housing arrangement of claim 1 wherein an opening is formed between the cover and the angled panel when the cover is rotated to the first position, the opening providing space for foreign objects to move the cover.

3. The housing arrangement of claim 2 wherein the side of the cover facing the angled panel defines a recess, the recess and angled panel cooperatively enclosing the opening.

4. The housing assembly of claim 1 wherein the main panel defines a mounting slot adjacent to the angled panel, the mounting slot defining a connecting post therein, the connecting post being rotatably coupled to the shield.

5. The housing arrangement of claim 4, wherein the cover includes a cover body, an arc-shaped portion connected to the cover body, and a connecting lug connected to the arc-shaped portion, wherein a side of the connecting lug facing away from the arc-shaped portion is rotatably connected to the connecting post.

6. The housing arrangement of claim 5, wherein one of the engaging lug and the connecting post is provided with a limiting protrusion, and the other is provided with a limiting hole, and the limiting protrusion cooperates with the limiting hole to limit the cover to the first position.

7. The housing assembly of claim 6 wherein a first fixed post is disposed in the mounting slot, a second fixed post is disposed in the arcuate portion, and an elastic member is coupled between the first fixed post and the second fixed post, the elastic member providing a force for the cover to rotate from the first position to the second position.

8. The housing arrangement according to claim 5, characterized in that the arc-shaped portion is provided with a reinforcing rib, and an avoiding notch is provided on a wall of the mounting groove corresponding to the reinforcing rib, and the avoiding notch is used for avoiding the reinforcing rib.

9. The housing arrangement of any one of claims 5 to 8, further comprising a cover plate connected to and covering the main panel, the cover plate being flush with the cover when the cover is rotated to the first position.

10. An electrical apparatus, characterized in that it comprises an electronic component and a housing arrangement according to any one of claims 1-9, said electronic component being located in said housing arrangement.

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