CN217524950U - Cleaning equipment and display screen assembly - Google Patents

Abstract

The present disclosure relates to a cleaning device and display screen assembly, the display screen assembly comprising a housing having an interior cavity, the housing having an open end and a light transmissive closed end, the open end of the housing being configured to be mounted on the body through the open end; the display screen is positioned in the inner cavity; the display screen is disposed adjacent to the closed end of the housing and is configured to have a size compatible with the closed end. This disclosed cleaning device, the display screen setting in the casing and with the size looks adaptation of blind end, this make the information that shows on the display screen can see through the blind end, from this the great display screen of optional shows, improved water-proof effects, also improved user's use and experienced.

Description

Cleaning equipment and display screen assembly

Technical Field

The disclosure relates to the technical field of cleaning, in particular to a cleaning device and further relates to a display screen assembly of the cleaning device.

Background

At present, after years of development, household cleaning devices have shown a trend towards functionalization, diversification and specialization, wherein floor washer devices are popular with consumers due to their powerful floor cleaning capacity and wet-dry characteristics. Floor washing machines have also been developed in recent years.

With the development of household cleaning devices, the cleaning devices gradually have more and more functions, and in order to facilitate users to know and use the functions, the cleaning devices are often provided with a display screen to prompt the users of the functions in use.

SUMMERY OF THE UTILITY MODEL

The present disclosure provides a cleaning device and a display screen assembly for solving the problems existing in the prior art.

According to a first aspect of the present disclosure, there is provided a cleaning apparatus comprising:

a body;

a display screen assembly including a housing having an interior cavity, the housing having an open end and a light-transmissive closed end, the housing configured to be mounted on the body through the open end; the display screen is positioned in the inner cavity; the display screen is disposed adjacent to the closed end of the housing and is configured to have a size compatible with the closed end.

In one embodiment of the present disclosure, the housing includes a hollow enclosing side wall, and the closed end and the enclosing side wall enclose a housing with an open end; the inner liner is matched with the shape of the enclosing side wall and extends at least to a position adjacent to the closed end.

In one embodiment of the present disclosure, the housing is integrally formed by using a light-transmitting material; the lining is made of opaque materials.

In one embodiment of the present disclosure, the display screen is mounted on the liner by a display screen support, the display screen being mounted on a side of the display screen support adjacent the closed end.

In one embodiment of the present disclosure, the display screen bracket is connected with the side wall of the inner liner through a first buckle; the first buckle comprises a first clamping groove arranged on the side wall of the lining and a first matching part arranged on the display screen bracket; the display screen bracket is configured to be rotated to enable the first matching part and the first clamping groove to be clamped together.

In one embodiment of the present disclosure, the first locking groove includes a first extending portion extending radially inward from a sidewall of the liner, and a second extending portion extending axially from an end of the first extending portion toward the closed end, and the first extending portion, the second extending portion, and the sidewall of the liner enclose the first locking groove.

In one embodiment of the present disclosure, a sliding groove extending along a circumferential direction is further provided on the inner liner of the side wall, and the sliding groove extends to a position of the first clamping groove; the first matching part comprises a third extending part extending along the axial direction and a fourth extending part extending outwards from the end head of the third extending part in the radial direction; the fourth extension portion is configured to be matched with the sliding groove, and the third extension portion is rotated to be located in the first clamping groove through relative rotation between the display screen support and the lining.

In one embodiment of the present disclosure, the display screen assembly further includes a circuit board disposed on a side of the display screen support away from the closed end, the circuit board being electrically connected to the display screen.

In one embodiment of the present disclosure, the display screen bracket includes a bearing portion for bearing the display screen, and a side wall portion at an edge of the bearing portion, opposite ends of the side wall portion being higher than end surfaces of opposite sides of the bearing portion, so as to define a mounting groove having a shape adapted to the display screen at a side adjacent to the closed end.

In one embodiment of the present disclosure, a sealant is further filled between the display screen bracket and the inner liner; the sealant extends to a gap between the display screen support and the circuit board from the space between the display screen support and the lining.

In one embodiment of the present disclosure, the body includes a body housing, and a handle extending from the body housing; the extension direction of the machine body shell is the same as that of the handle; the display screen assembly is mounted on the end of the body shell extending from the handle.

In one embodiment of the disclosure, the housing is generally cylindrical, with the side of the cleaning device facing the user when in use being the front side and the side away from the user being the rear side; the outer contour of the housing is configured to at least correspond to the outer contour of the rear side of the fuselage housing.

In one embodiment of the disclosure, the inner liner is connected with the end of the fuselage shell through a second buckle; the second buckle comprises a first groove extending to the end head of the machine body shell along the axial direction and a second groove which is communicated with the first groove and extends along the circumferential direction of the machine body shell; a second matching part extending radially inwards is arranged on the side wall of the lining; the second mating portion is configured to slide along the first groove to a position flush with the second groove and then rotate to position the second mating portion within the second groove.

In one embodiment of the present disclosure, the closed end is configured as a curved surface.

According to a second aspect of the present disclosure, there is also provided a display screen assembly comprising a housing having an interior cavity, the housing having an open end and a light-transmissive closed end, the housing being configured to be mounted on a chassis through the open end; the display screen is positioned in the inner cavity; the display screen is disposed adjacent to the closed end of the housing and is configured to have a size compatible with the closed end.

This disclosed cleaning device, the display screen setting in the casing and with the size looks adaptation of blind end, this make the information that shows on the display screen can pass through the blind end and see out, from this the great display screen of optional shows, improved water-proof effects, also improved user's use and experienced.

Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a schematic view of the overall construction of a cleaning apparatus of the present disclosure;

FIG. 2 is a cross-sectional view of a cleaning device display screen assembly of the present disclosure;

FIG. 3 is a cross-sectional view of a housing in a display screen assembly of the present disclosure;

FIG. 4 is a cross-sectional view of another angle of the cleaning device display screen assembly of the present disclosure;

FIG. 5 is a cross-sectional view of a display bracket of the display assembly of the present disclosure;

FIG. 6 is a schematic view of a display support of the display assembly of the present disclosure;

fig. 7 is a schematic structural view of a body of the cleaning apparatus of the present disclosure.

Reference numerals:

1. the portable electronic device comprises a body, 11, a body shell, 12, a handle, 2, a display screen assembly, 21, a shell, 211, an open end, 212, a closed end, 213, an inner cavity, 214, a surrounding side wall, 22, an inner lining, 221, a sliding groove, 23, a display screen, 24, a display screen support, 241, a bearing part, 242, a side wall part, 25, a first buckle, 251, a first clamping groove, 2511, a first extending part, 2512, a second extending part, 252, a first matching part, 2521, a third extending part, 2522, a fourth extending part, 26, a circuit board, 27, a second buckle, 271, a first groove, 272, a second groove, 28 and a second matching part.

Detailed Description

Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

The cleaning device comprises a machine body, wherein the machine body is used for bearing various components in the cleaning device, such as a battery, a dust collection box, a sewage box and the like which are well known to those skilled in the art, and a display screen assembly is further installed on the machine body and comprises a shell and a display screen arranged in the shell, the shell is provided with an opening end and a closed end, the display screen is installed in an inner cavity of the shell and located near the closed end, and the display screen is configured to be matched with the closed end in size. The shell is installed on the machine body through the opening end. The closed end of the shell is made of a light-transmitting material, light emitted by the display screen can be outwards displayed through the closed end, and therefore a user can observe various information and the like displayed on the display screen.

According to the cleaning equipment, the display screen is arranged in the shell, and the display screen is arranged on the machine body through the opening end of the shell, so that the structure is compact; in addition, the information on the display screen is observed by the user through the transparent closed end, which can improve the waterproof performance of the display screen assembly. This disclosed cleaning device directly sets up the display screen in the inner chamber of casing, from this when guaranteeing water-proof effects, also can select great large-size display screen, has improved user's experience.

For the purpose of facilitating understanding, specific configurations and operating principles of the present disclosure are described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

In one embodiment of the present disclosure, as shown in fig. 1 and 2, the cleaning device includes a body 1, and the body 1 is used to carry various components of the cleaning device, such as a battery, a floor brush assembly, a waste water tank, and the like, which are well known to those skilled in the art, and the present disclosure is not limited thereto, depending on the structure and function of the cleaning device. A display screen assembly 2 is arranged on the machine body 1, the display screen assembly 2 comprises a shell 21 and a display screen 23, the shell 21 is provided with an open end 211 and a closed end 212, and the display screen 23 is arranged in an inner cavity 213 of the shell 21 and is adjacent to the closed end 212. When the housing 21 is mounted, the housing 1 is mounted through the open end 211. The display screen 23 is disposed adjacent to the closed end 212, and the closed end 212 can protect the display screen 23 from being damaged by external environmental factors.

Because the display screen 23 of the present disclosure is directly disposed in the inner cavity of the housing 21, there is no need to additionally dispose a waterproof structure, and there is no need to dispose a corresponding display screen clamping groove, a sealing edge structure, etc. on the housing 21, so that the display screen 23 with a larger size can be selected as long as the display screen 23 can be placed in the inner cavity of the housing 21 and disposed adjacent to the closed end 212. In one embodiment of the present disclosure, the size of the display screen 23 is adapted to the size of the closed end 212, so that the display area of the display screen 23 can be almost the whole closed end 212, thereby displaying the information of the cleaning device more comprehensively and improving the use experience of the user.

Only a mounting gap is left between the edge of the display screen 23 and the side wall of the housing 21, so that the display screen 23 can be placed in the inner cavity of the housing 21. In addition, in order to further improve the waterproof performance, the mounting gap may be filled with a sealant, which will not be described in detail herein.

In one embodiment of the present disclosure, the closed end is configured as a curved surface, and since the curved surface has a certain enlarging effect, the curved closed end 212 may enlarge the display area of the display screen 23 on the basis that the information in the display screen 23 is displayed through the surface of the closed end 212, thereby improving the viewing experience of the user.

In one embodiment of the present disclosure, as shown in fig. 2 and 3, the housing 21 includes a surrounding sidewall 214 surrounding a hollow, the closed end 212 is located at one end of the surrounding sidewall 214, the surrounding sidewall 214 and the closed end 212 are matched together to form the housing 21, an open end 211 is formed at one end of the surrounding sidewall 214 where the closed end 212 is not located, and the hollow portion forms an inner cavity 213 of the housing 21. The inner liner 22 is further disposed on the inner side of the enclosing side wall 214, the inner liner 22 is attached to the enclosing side wall 214, and the inner liner 22 and the enclosing side wall 214 are in the same shape and extend from the open end 211 to a position adjacent to the closed end 212.

In one embodiment of the present disclosure, the housing 21 is integrally formed of a light-transmitting material. That is, closed end 212 and enclosing sidewall 214 are both optically transparent. To ensure that light from the display 23 is transmitted only in the direction of the closed end 214, the inner liner 22 is made of an opaque material. This disclosed casing 21 is integrated into one piece, and outside dirty or water can not enter into casing 21's inside, in addition, when dirty appears in casing 21 surface, also the user of being convenient for clears up.

The display screen 23 is mounted to the housing 21 adjacent the closed end 212 so that a user can view information displayed on the display screen 23 in real time while cleaning a work surface using the cleaning device. The housing 21 is made of a transparent material, so that a user can conveniently look through the closed end 212 to the display screen 23 during use. The liner 22 fits inside the shell 21 and is made of an opaque material to prevent light from passing through the position of the enclosing side wall 214 and to block other components in the interior 213 of the shell 21.

The liner 22 may be secured to the containment sidewall 214 in a manner known to those skilled in the art, and in one embodiment of the present disclosure, the shell 21 and the liner 22 are secured together using a two-shot process to provide a more secure connection between the shell 21 and the liner 22. The liner 22 of the present disclosure can not only shield the light-transmitting housing 21 from light, but also prevent the user from seeing the components inside the housing 21 through the light-transmitting enclosing sidewall 214; support for the display screen and other components, such as a display screen support, a circuit board, etc., may also be provided by the inner liner 22. This is because the light-transmitting case 21 is not easy to be provided with a mounting structure on the inner wall, otherwise, the light-transmitting case 21 cannot be shielded, and thus the provision of the liner 22 not only solves the problem of mounting but also solves the problem of shielding light.

In one embodiment of the present disclosure, as shown in FIG. 2, the display assembly 2 further includes a display bracket 24, and the display 23 is mounted to the inner liner 22 via the display bracket 24. Specifically, the display screen support 24 is mounted to an end of the inner liner 22 adjacent the closed end 212. The display screen 23 is mounted on the side of the display screen 24 support adjacent the closed end 212. The display screen 23 is mounted on the inner liner 22 through the display screen bracket 24, so that the display screen 23 can be mounted more stably.

In one embodiment of the present disclosure, as shown in fig. 2 and 4, the display bracket 24 is connected to the side wall of the inner liner 22 by a first clip 25, and the first clip 25 includes a first mating portion 252 disposed on the display bracket and a first locking groove 251 disposed on the side wall of the inner liner 22. The first fitting portion 252 is disposed on a side of the display screen support 24 adjacent to the open end 211, and the first fitting portion 252 may be provided in plural, and the plural first fitting portions 252 extend along a circumferential direction of the display screen support 24. The first locking grooves 251 are provided on the side wall of the liner 22, and the number thereof may be correspondingly plural, corresponding to the number of the first engaging portions 252. When the display screen bracket 24 is installed, the display screen bracket 24 is placed into the inner liner 22 from the open end 211, and when the display screen bracket 24 is moved upward to be adjacent to the closed end 212, the first matching portion 252 and the first clamping groove 251 are clamped together by rotating the display screen bracket 24, so that the display screen bracket 24 is installed on the inner liner 22.

In one embodiment of the present disclosure, as shown in fig. 2 and 4, the first catching groove 251 is constituted by a first extension 2511 and a second extension 2512. The first extending portion 2511 has one end connected to the inner wall of the inner liner 22 and the other end extending radially inward along the inner liner 22, the second extending portion 2511 is connected to the end of the first extending portion 2511, the other end extends in the axial direction of the inner liner 22 towards the closed end 212, and the first extending portion 2511 and the second extending portion 2512 are communicated with the side wall of the inner liner 22 to form a first engaging groove 251 shaped like an "L". When the display screen holder 24 is rotated, the first engaging portion 252 is engaged with the first engaging groove 251 defined by the first extending portion 2511, the second extending portion 2512, and the sidewall of the liner 22.

In one embodiment of the present disclosure, as shown in fig. 2 and 5, in order to facilitate smooth installation of the first fitting portion 252, a slide groove 221 is further provided on a sidewall of the liner 22. The sliding groove 221 extends along the circumferential direction of the sidewall of the inner liner 22, and extends from a position offset from the first locking groove 251 to the position connected to the first locking groove 251 on the sidewall of the inner liner 22. When the first engaging portion 252 is moved axially toward the closed end 212 until the first engaging portion 252 is engaged with the sliding groove 221, the axial movement is stopped. At this time, the rotatable display screen bracket 24 rotates relative to the inner liner 22, so that the first engaging portion 252 can slide along the extending direction of the sliding groove 221 to engage with the first engaging groove 251.

In one embodiment of the present disclosure, referring to fig. 5, the first mating portion 252 is composed of a third extension 2521 and a fourth extension 2522. The third extension 2521 has one end connected to the display bracket 24 and the other end extending in the axial direction of the inner liner 22 and in the direction of the open end 211. One end of the fourth extension 2522 is connected to the free end of the third extension 2521, and the other end extends radially outward, and the third extension 2521 and the fourth extension 2522 form a first matching portion 252 similar to an "L" shape.

When the display screen bracket 24 is installed, the display screen bracket 24 is first put into the inner liner 22 through the open end 211, and moves upward to a position adjacent to the closed end 212, at which time the fourth extension portion 2522 moves to be located in the sliding groove 221, and then the display screen bracket 24 is rotated, so that the fourth extension portion 2522 slides along the sliding groove 221 until the third extension portion 2521 is located in the first slot 251, thereby achieving the connection between the display screen bracket 24 and the inner liner 22.

In one embodiment of the present disclosure, as shown in FIG. 2, the display screen assembly 2 further includes a circuit board 26. The circuit board 26 is disposed on the end of the display support 24 distal from the closed end 212. The display 23 is connected with the circuit board 26, and the circuit board 26 can transmit information such as the state of the cleaning device to the display 23, so that the information can be presented on the display 23, and a user can conveniently judge and know the state of the cleaning device according to the information. The display screen bracket 24 may be provided with a corresponding mounting slot on a side facing the open end, and the circuit board 26 may be fixed in the mounting slot of the display screen bracket 24 by screws or snaps. The circuit board 26 is shaped to match the shape of the display bracket 24, and the circuit board 26 is typically opaque, so that the circuit board 26 and the inner liner 22 together provide a light shield for the housing 21. That is, the light emitted from the display 23 does not propagate toward the circuit board 26, but only out from the direction of the closed end 212.

In one embodiment of the present disclosure, as shown in fig. 6, the display bracket 24 includes a carrying portion 241 for carrying the display 23, a side wall 242 is disposed at an edge of the carrying portion 241, and the carrying portion 241 and the side wall 242 enclose a mounting slot adapted to a shape of the display 23. The display screen 23 may be mounted in the mounting slot in a manner well known to those skilled in the art.

In one embodiment of the present disclosure, after the display bracket 24 is installed in the inner liner 22, a sealant may be filled between the display bracket 24 and the inner liner 22. Fill the space between display screen support 24 and the inside lining through sealed glue, can make the more firm installation of display screen support 24 on inside lining 22, sealed glue can also be at cleaning equipment during operation, prevents that impurity such as sewage from entering into inside the part through the space between display screen support 24 and the inside lining 22, causes the damage of display screen 23. In one embodiment of the present disclosure, the sealant extends from between the display bracket 24 and the inner liner 22 to the gap between the display bracket 24 and the circuit board 26, thereby improving the waterproof performance between the circuit board 26 and the display bracket 24.

In one embodiment of the present disclosure, as shown in fig. 1, the machine body 1 includes a machine body housing 11, a handle 12 is further disposed on the machine body housing 11, the handle 12 is used for being held by a user, and an extending direction of the machine body housing 11 is identical to an extending direction of the handle 12. The housing 21 is mounted on the end of the body housing 11 from which the handle 12 extends, and referring to fig. 7, the housing 21 is mounted on the top end of the body housing 11, which is also the end facing the user. Allowing the user to more conveniently view the information displayed on the display screen 23 while using the cleaning device to hold the handle 12.

In one embodiment of the present disclosure, a battery pack, a motor assembly, and the like may be mounted to the top end of the body housing 11. Mounting the display screen assembly 2 on top of the body housing 11 facilitates connecting the display screen assembly 2 to a battery pack or circuit board within the body housing 11 by leads.

In one embodiment of the present disclosure, as shown in fig. 7, the housing 21 is generally cylindrical. At least the outer contour of the rear side of the body housing 11 is configured to conform to the outer contour of the housing 21, with the side of the cleaning device facing the user when in use being the front side and the side facing away from the user being the rear side. When casing 21 wholly adopts cylindrical structure promptly, the whole cylindrical structure that also can adopt of fuselage casing 11, and with smooth transition between the casing 21, improved cleaning device's whole pleasing to the eye degree, improved user's use experience.

In a specific structure, the front position of the body shell 11 needs to be matched with the bearing shell, and the circular arc design is not favorable for the connection between the two. Therefore, the front position of the body housing 11, i.e., the side that engages with the bearing housing, can be made into a planar structure. Because the plane structure is positioned between the machine body shell 11 and the bearing shell and is not exposed outside, the integral appearance of the cleaning equipment is not influenced.

In one embodiment of the present disclosure, as shown in fig. 3 and 7, the shell 21 is connected to the fuselage shell 11 by an inner liner 22. The second catch 27 is disposed on the body housing 11, and the catch 27 is composed of a first groove 271 and a second groove 272, one end of the first groove 271 extends to the edge penetrating through the body housing 11, and the other end extends downward along the axial direction of the body housing 11. One end of the second groove 272 communicates with the bottom end of the first groove 271, and the other end extends along the circumferential direction of the body housing 11, and the first groove 271 and the second groove 272 constitute a structure similar to an "L" shape. The liner 22 is provided with a second fitting portion 28, and the second fitting portion 28 may be a radial protrusion formed on the sidewall of the liner 22 and having a shape and size matching the first and second grooves 271, 272. When the mounting is performed, the second matching portion 28 is aligned with the first groove 271, and then the housing 21 is moved downward until the second matching portion 28 moves to the bottom end of the first groove 271 along the extending direction of the first groove 271, at this time, the housing 21 is rotated, so that the second matching portion 28 moves into the second groove 272 and is engaged with the second groove 272, thereby achieving the connection between the housing 21 and the body housing 11.

It will be obvious to those skilled in the art that, in addition to the second buckle 27 for connecting the housing 21 with the body housing 11, other types of buckles may be provided for connecting, so as to ensure the stability of the connection between the housing 21 and the body housing 11.

Example two

The present disclosure also provides a display screen assembly 2, as shown in fig. 2, the display screen assembly 2 includes a housing 21 and a display screen 23, the housing 21 is provided with an open end 211 and a closed end 212, and the display screen 23 is mounted in an inner cavity 213 of the housing 21 adjacent to the closed end 212. The closed end of the housing 21 is made of a transparent material, and light emitted from the display screen 23 can be displayed through the closed end 212, so that a user can view various information displayed on the display screen 23. The display screen 23 is disposed adjacent to the closed end 212 to prevent the cleaning device from being damaged by external environmental factors, and the closed end 212 protects the display screen 23 during operation of the cleaning device.

The structure of the display screen assembly 2 may be identical to that of the first embodiment, and will not be described in detail here.

Application scenario 1

The cleaning apparatus of the present disclosure may be a scrubber, with the display screen assembly 2 mounted at the top end of the body housing 11, i.e., the end facing the user. When a user holds the handle 12 of the cleaning device to clean the floor, since the top end of the body housing 11 is closer to the handle, the user can easily see various information on the display 23, such as power information, information on the clean water in the water tank, etc., through the closed end 212 of the housing 21, thereby more fully understanding the current working state of the cleaning device.

In addition, the whole body of the casing 21 of the present disclosure is made of a transparent material, and the position which does not need to be transparent is shielded by the lining 22 and the circuit board 26 inside the casing 21, so that light emitted by the display screen 23 is only transmitted through the closed end 212, and the waterproof performance of the casing 21 is improved.

Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein. The scope of the present disclosure is defined by the appended claims.

Claims (15)

1. A cleaning apparatus, comprising:

a body (1);

a display screen assembly (2), the display screen assembly (2) comprising a housing (21) having an interior cavity (213), the housing (21) having an open end (211) and a light-transmissive closed end (212), the housing (21) being configured to be mounted on the body (1) through the open end (211); further comprising a display screen (23) located in the inner cavity (213); the display screen (23) is disposed adjacent the closed end (212) of the housing (21) and is configured to have a size compatible with the closed end (212).

2. The cleaning apparatus according to claim 1, wherein the housing (21) comprises a surrounding side wall (214) enclosing a hollow, the closed end (212) and the surrounding side wall (214) enclosing the housing (21) with an open end (211); further comprising an inner liner (22) adapted to the shape of the enclosing side wall (214), the inner liner (22) extending at least to a position adjacent to the closed end (212).

3. A cleaning device according to claim 2, characterized in that the housing (21) is integrally formed in a light-transmitting material; the inner lining (22) is made of opaque materials.

4. The cleaning apparatus according to claim 2, wherein the display screen (23) is mounted on the inner liner (22) by a display screen bracket (24), the display screen (23) being mounted on the display screen bracket (24) on a side adjacent the closed end (212).

5. A cleaning device according to claim 4, characterized in that the display screen holder (24) is connected to the side wall of the inner lining (22) by a first snap (25); the first buckle (25) comprises a first clamping groove (251) arranged on the side wall of the inner lining (22) and a first matching part (252) arranged on the display screen bracket (24); the display screen bracket (24) is configured to rotate to enable the first matching portion (252) and the first clamping groove (251) to be clamped together.

6. The cleaning apparatus according to claim 5, wherein the first locking groove (251) comprises a first extension portion (2511) extending radially inward from a sidewall of the liner (22) and a second extension portion (2512) extending axially from a tip of the first extension portion (2511) toward the closed end (212), the first extension portion (2511), the second extension portion (2512) and the sidewall of the liner (22) enclosing the first locking groove (251).

7. The cleaning apparatus according to claim 6, characterized in that a sliding groove (221) extending in the circumferential direction is further provided on the side wall of the liner (22), the sliding groove (221) extending to the position of the first snap groove (251); the first mating portion (252) includes a third extending portion (2521) extending along the axial direction, and a fourth extending portion (2522) extending radially outward from the end of the third extending portion (2521); the fourth extension portion (2522) is configured to fit with the sliding groove (221), and the third extension portion (2521) is rotated to be located in the first slot (251) by relative rotation between the display screen bracket (24) and the inner liner (22).

8. A cleaning device according to claim 4, wherein the display screen assembly (2) further comprises a circuit board (26) arranged on the display screen support (24) on a side remote from the closed end (212), the circuit board (26) being electrically connected to the display screen (23).

9. A cleaning device according to claim 8, wherein the display screen holder (24) comprises a carrying portion (241) for carrying the display screen (23), and side wall portions (242) at edges of the carrying portion (241), opposite ends of the side wall portions (242) being higher than end faces of opposite sides of the carrying portion (241) to enclose a mounting groove having a shape adapted to the display screen (23) at a side adjacent to the closed end (212).

10. The cleaning apparatus as claimed in claim 8, wherein a sealant is further filled between the display screen bracket (24) and the inner liner (22); the sealant extends from the space between the display screen support (24) and the lining (22) to the gap between the display screen support (24) and the circuit board (26).

11. Cleaning device according to claim 2, characterized in that the machine body (1) comprises a machine body housing (11), and a handle (12) extending from the machine body housing (11); the extension direction of the machine body shell (11) is the same as that of the handle (12); the display screen assembly (2) is mounted at the top end of the machine body shell (11).

12. A cleaning device according to claim 11, wherein the housing (21) is generally cylindrical with the side of the cleaning device facing the user in use being the front side and the side facing away from the user being the rear side; at least the outer contour of the rear side of the fuselage housing (11) is configured to correspond to the outer contour of the housing (21).

13. The cleaning device according to claim 11, characterized in that the inner liner (22) is connected with the end of the fuselage housing (11) by means of a second snap (27); the second buckle (27) comprises a first groove (271) extending to the end of the body shell (11) along the axial direction, and a second groove (272) communicated with the first groove (271) and extending along the circumferential direction of the body shell (11); a second matching part (28) extending inwards in the radial direction is arranged on the side wall of the inner liner (22); the second mating portion (28) is configured to slide along the first groove (271) to a position flush with the second groove (272) and then rotate to position the second mating portion (28) within the second groove (272).

14. The cleaning apparatus according to claim 1, wherein the closed end (212) is configured as a curved surface.

15. A display screen assembly, comprising: comprises a housing (21) having an inner cavity (213), the housing (21) having an open end (211) and a light-transmissive closed end (212), the housing (21) being configured to be mounted on the machine body (1) through the open end (211); further comprising a display screen (23) located in the inner cavity (213); the display screen (23) is disposed adjacent to the closed end (212) of the housing (21) and is configured to have a size compatible with the closed end.

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