WO2023174104A1

WO2023174104A1 - Housing assembly for cleaning apparatus and cleaning apparatus

Info

Publication number: WO2023174104A1
Application number: PCT/CN2023/080089
Authority: WO
Inventors: 刘越
Original assignee: 北京赫特智慧科技有限公司
Priority date: 2022-03-16
Filing date: 2023-03-07
Publication date: 2023-09-21
Also published as: CN217408649U

Abstract

A housing assembly (01) for a cleaning apparatus and a cleaning apparatus. The housing assembly (01) comprises a lower housing assembly (10), a middle cover (20), and an upper housing (30); the lower housing assembly (10) comprises a lower housing body (100) and a cover housing part (12); the cover housing part (12) is provided with a protruding part (120); the middle cover (20) is mounted on the lower housing assembly (10); the upper housing (30) is mounted on the lower housing body (100); the lower housing assembly (10), the middle cover (20), and the upper housing (30) are sequentially arranged; the protruding part (120) protrudes towards the upper housing (30); the middle cover (20) is provided with a relief part (26) relative to the protruding part (120); the relief part (26) comprises relief holes (27, 28); the upper housing (30) is provided with a butt joint part (38); the butt joint part (38) and the relief part (26) are arranged opposite to each other and matched to form a relief structure relative to the protruding part (120). According to the housing assembly (01), assembly gap, height and volume are reduced, and weight is reduced, so that the cleaning apparatus is convenient to store and carry, and is more attractive; after self-weight is reduced, the risk that the cleaning apparatus falls off during a suction process is reduced, so that the cleaning apparatus has good cleaning performance.

Description

Housing assembly for cleaning device and cleaning device

This application claims the priority of Chinese Patent Application No. 202220575242.3 submitted on March 16, 2022. The disclosure of the above Chinese patent application is hereby cited in its entirety for all purposes as part of this application.

Technical field

At least one embodiment of the present disclosure relates to a housing assembly for a cleaning device and a cleaning device.

Background technique

With the rapid development of modern technology, the concept of smart home has gradually gained popularity. Through networked integrated intelligent control and management, smart home has gradually been able to realize a new "people-oriented" home life experience. Among them, a variety of smart home appliances are emerging in endlessly, and cleaning devices used for home cleaning include window cleaning robots, floor sweeping robots, etc. The adsorption device usually used by many cleaning devices is vacuum adsorption, that is, a centrifugal fan or a vacuum pump is used as a vacuum generating device to generate a local negative pressure in the gap between the robot body and the surface to be cleaned. Under the action of the pressure difference, the robot sticks to the surface. Attached to it; in addition, the structural form of crawler transmission is adopted to realize the smooth movement of the cleaning device on various surfaces to be cleaned. Since the weight and volume of the cleaning device itself will directly affect the effect of the adsorption device, it is necessary to design a cleaning device that reduces the weight of the cleaning device and improves the overall volume or height of the cleaning device to ensure its adsorption strength and cleaning effect. .

Contents of the invention

Embodiments of the present disclosure provide a housing assembly for a cleaning device and a cleaning device. The housing component can reduce the assembly gap between the housing components in the cleaning device, reduce the height and volume of the cleaning device, and reduce the weight of the housing component, making it easier to store and carry, and more beautiful; when cleaning After the dead weight of the device is reduced, the risk of the cleaning device falling off during the adsorption process can be reduced, thereby making the cleaning device have good cleaning performance.

An embodiment of the present disclosure provides a housing assembly for a cleaning device, including: a lower housing assembly including a lower housing body and a cover portion having a protruding portion; and a middle cover assembled on the lower housing. on the shell assembly; and the upper shell is assembled on the lower shell body, the lower shell assembly, the middle cover, and the upper shell are arranged in sequence, and the protruding portion protrudes toward the upper shell, so The middle cover has a position relative to the protruding portion. The avoidance part includes an avoidance hole, and the upper shell has a butt part, and the butt part is opposite to the avoidance part and cooperates to form an avoidance structure relative to the protruding part.

For example, in at least one embodiment of the present disclosure, in a housing assembly for a cleaning device, at least a part of the protruding portion protrudes from the escape hole.

For example, in a housing assembly for a cleaning device provided by at least one embodiment of the present disclosure, the shelter part further includes a profile part configured to define the relief hole.

For example, in a housing assembly for a cleaning device provided by at least one embodiment of the present disclosure, the docking portion includes annular ribs, and the ribs have the same shape as the contour portion.

For example, in at least one embodiment of the present disclosure, in a housing assembly for a cleaning device, the ribs have the same size as the contour portion.

For example, in the housing assembly for a cleaning device provided by at least one embodiment of the present disclosure, the ribs and the contour portion have different sizes, so that the flange and the avoidance portion form a nested fit.

For example, in at least one embodiment of the present disclosure, in a housing assembly for a cleaning device, the profile portion includes an annular flange.

For example, in at least one embodiment of the present disclosure, in a housing assembly for a cleaning device, one of the docking portion and the profile portion includes a flange, and the other of the docking portion and the profile portion includes a recess, so as to The docking part and the profile part are inserted into each other.

For example, in a housing assembly for a cleaning device provided by at least one embodiment of the present disclosure, the surface of the contour portion close to the upper housing is flat.

For example, at least one embodiment of the present disclosure provides a housing assembly for a cleaning device. The cleaning device further includes a sealing element located between the butt portion and the profile portion and configured such that the There is a sealing connection between the butting part and the profile part.

For example, in at least one embodiment of the present disclosure, in a housing assembly for a cleaning device, the sealing element includes foam or a rubber ring.

For example, at least one embodiment of the present disclosure provides a housing assembly for a cleaning device, the protruding portion of the lower housing assembly includes a first protruding end and a second protruding end, and the avoidance portion is configured as One, the avoidance part is configured to avoid the first protruding end and the second protruding end and extend from the first protruding end to the second protruding end.

For example, at least one embodiment of the present disclosure provides a housing assembly for a cleaning device, the protruding portion of the lower housing assembly includes a first protruding end and a second protruding end, and the housing assembly includes two and two avoidance parts, the two avoidance parts being configured to respectively avoid the first protruding end and the second protruding end. and are respectively located at the first protruding end and the second protruding end.

For example, in a housing assembly for a cleaning device provided by at least one embodiment of the present disclosure, the two avoidance structures are symmetrically distributed with respect to a plane between the two avoidance structures.

For example, in at least one embodiment of the present disclosure, in a housing assembly for a cleaning device, the middle cover has a connection portion between two escape holes of the two escape structures, and the connection portion includes a connection portion close to the two escape holes. As for the planar portion of the upper shell, each of the two profile portions in the two avoidance structures is inclined relative to the planar portion, and the two profile portions have the same inclination angle as the planar portion.

For example, in at least one embodiment of the present disclosure, in a housing assembly for a cleaning device, the shape of the escape hole includes at least one of a polygon, a circle, and an ellipse.

At least one embodiment of the present disclosure provides a cleaning device, including: a walking component disposed on a side of the lower housing assembly away from the upper housing; and any of the above-mentioned housing components for a cleaning device, wherein the A side of the protruding portion away from the upper shell has a cavity, and at least a part of the walking component is located in the cavity.

For example, at least one embodiment of the present disclosure provides a cleaning device. The cleaning device further includes a negative pressure mechanism, including an air inlet hood, a fan, and an air outlet hood. The fan is located in a space surrounded by the air inlet hood and the air outlet hood. In the space, the air inlet hood and the air outlet hood are sealingly connected, and the negative pressure mechanism is configured to operate through the fan to suck the airflow at the bottom of the middle cover from the air inlet hood, and make the The airflow flows through the fan and is discharged from the air outlet hood; wherein, after the docking part and the avoidance part are arranged opposite and matched, the airflow cannot flow from the avoidance part to the middle cover and the upper shell.

Description of the drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present utility model and are not specific to the present utility model. New types of restrictions.

FIG. 1 is a schematic diagram of the overall structure of a cleaning device according to an embodiment of the present disclosure.

FIG. 2A is a schematic structural diagram of an upper shell in a housing assembly of a cleaning device according to an embodiment of the present disclosure.

2B is a partial structural schematic diagram of an upper shell in a housing assembly for a cleaning device according to an embodiment of the present disclosure.

FIG. 2C is a partial structural schematic diagram of an upper shell in a housing assembly for a cleaning device according to an embodiment of the present disclosure.

FIG. 2D is a partial structural schematic diagram of an upper shell in a housing assembly for a cleaning device according to an embodiment of the present disclosure.

3A is a schematic structural diagram of a lower shell assembly in a shell assembly for a cleaning device according to an embodiment of the present disclosure.

3B is a top view of a cover part in a lower housing assembly of a housing assembly for a cleaning device according to an embodiment of the present disclosure.

3C is a side view of a cover part in a lower shell assembly of a housing assembly for a cleaning device according to an embodiment of the present disclosure.

FIG. 4 is a partial structural schematic diagram of a middle cover used in a housing assembly of a cleaning device according to an embodiment of the present disclosure.

FIG. 5 is a schematic structural diagram of a lower shell assembly and a middle cover of a shell assembly for a cleaning device according to an embodiment of the present disclosure.

6A is a schematic diagram of the external structure of a middle cover used in a housing assembly of a cleaning device according to another embodiment of the present disclosure.

6B is a schematic diagram of the internal structure of an upper shell in a housing assembly for a cleaning device according to an embodiment of the present disclosure.

6C is a partial schematic view of the interior of an upper shell in a housing assembly for a cleaning device according to an embodiment of the present disclosure.

FIG. 7 is a cross-sectional view of a cleaning device according to an embodiment of the present disclosure.

FIG. 8 is another cross-sectional view of a cleaning device according to an embodiment of the present disclosure.

FIG. 9 is a schematic structural diagram of a lower shell assembly and a middle cover of a shell assembly for a cleaning device according to another embodiment of the present disclosure.

FIG. 10 is a cross-sectional view of the cleaning device provided in FIG. 9 .

FIG. 11 is a schematic diagram of an air flow path in a cleaning device according to an embodiment of the present disclosure.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are some, but not all, of the embodiments of the present disclosure. Based on the described embodiments of the present disclosure, those of ordinary skill in the art can obtain the results without creative efforts. There are other embodiments, which all fall within the scope of this disclosure.

Unless otherwise defined, technical terms or scientific terms used in this disclosure shall have the usual meaning understood by a person with ordinary skill in the art to which this disclosure belongs. "First", "second" and similar words used in this disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Likewise, words such as "includes" or "includes" mean that the elements or things listed before the word include the elements or things listed after the word and their equivalents, without excluding other elements or things. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to express relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

With the continuous advancement of modern technology, the concept of smart home has become a leading fashion trend, and various cleaning devices suitable for smart cleaning have emerged in an endless stream. In this regard, the inventor of the present disclosure found that various cleaning devices, such as window cleaning robots, floor sweeping robots, etc., are equipped with adsorption structures to ensure that the cleaning devices can be attached to the surface to be cleaned for operation. However, existing cleaning devices are usually large in size and weight, which will directly affect the cleaning effect of the cleaning device, are inconvenient to store and carry, and have poor aesthetics. Therefore, designing a cleaning device with light weight and compact size can improve the adsorption effect of the cleaning device and thereby optimize the cleaning performance of the cleaning device.

At least one embodiment of the present disclosure provides a housing assembly for a cleaning device. The housing assembly includes a lower housing assembly, a middle cover and an upper housing. The lower shell assembly includes a lower shell body and a cover part. The cover part has a protruding part; the middle cover is assembled on the lower shell assembly; and the upper shell is assembled on the lower shell body. The lower shell assembly, the middle cover, and the upper shell are arranged in sequence, the protruding portion protrudes toward the upper shell, the middle cover has a hollow portion relative to the protruding portion, and the upper shell has a butt portion, and the butt portion is opposite to the hollow portion. Arranged and cooperated to form a shelter relative to the protrusion.

At least one embodiment of the present disclosure also provides a cleaning device, which includes a walking component and the above-mentioned housing assembly for the cleaning device. The walking part is provided on a side of the lower shell assembly away from the upper shell, wherein the side of the protruding portion facing away from the upper shell has a cavity, and at least a part of the walking part is located in the cavity.

The housing assembly and cleaning device for a cleaning device provided by at least one embodiment of the present disclosure can reduce the assembly gap between the housing components in the cleaning device, reduce the height and volume of the cleaning device, and reduce the cost of the housing assembly. weight, making it easy to store and carry, and more beautiful; when the weight of the cleaning device is reduced, the risk of the cleaning device falling off during the adsorption process can be reduced, thereby making the cleaning device have good cleaning performance.

The housing assembly and cleaning device used in the cleaning device will be described below through some embodiments.

FIG. 1 is a schematic diagram of the overall structure of a cleaning device according to an embodiment of the present disclosure. FIG. 2A is a schematic structural diagram of an upper shell in a housing assembly of a cleaning device according to an embodiment of the present disclosure.

As shown in FIG. 1 , the main supporting structure in the cleaning device 1 is a housing assembly 01 , which includes a lower housing assembly 10 , a middle cover 20 and an upper housing 30 . The lower shell assembly 10 includes a lower shell body 100 and a cover part 12, and the cover part 12 has a protruding part 120; the middle cover 20 is assembled on the lower shell assembly 10. For example, the upper shell 30 and the middle cover 20 are detachably fixed, and the upper shell 30 and the lower shell body 100 are matched and detachably fixed.

As shown in FIG. 1 , the protruding portion 120 in the lower shell assembly 10 protrudes toward the upper shell 30 , and the middle cover 20 has a hollow portion 26 relative to the protruding portion 120 .

For example, referring to FIGS. 1 and 2A , corresponding to the hollow portion 26 of the middle cover 20 , the upper shell 30 has a butt portion 38 , and the butt portion 38 is opposite to the hollow portion 26 and cooperates to form a gap relative to the protruding portion 120 . Shelter structure. For example, the butt part 38 and the avoidance part 26 are arranged oppositely, so as to facilitate the cooperation between the butt part 38 and the avoidance part 26 to form an avoidance structure. For example, the shelter structure at least includes a shelter part and a docking part.

When no shelter structure is provided, a shelter height needs to be set between the protruding portion 120 and the middle cover 20 and between the middle cover 20 and the upper shell 30 , so that the height of the protruding portion 120 is larger, and it is not necessary to provide a shelter height. In the case of structure, it is only necessary to provide a clearance height between the protruding portion 120 and the upper shell 30. Therefore, providing a clearance structure can reduce the height and volume of the housing assembly at the protruding portion 120, and the reduced height It at least includes the thickness of the middle cover 20 and at least one of the clearance height between the protruding portion 120 and the middle cover 20 and between the middle cover 20 and the upper shell 30 .

The housing assembly for the cleaning device provided by the embodiment of the present disclosure can reduce the assembly gap between the housing components in the cleaning device, reduce the height and volume of the cleaning device, and lower the housing by providing an avoidance structure. The weight of the component makes it easy to store and carry, and is more aesthetically pleasing; when the weight of the cleaning device is reduced, the risk of the cleaning device falling off during the adsorption process can be reduced, thereby making the cleaning device have good cleaning performance.

For example, the docking portion 38 may be part of the upper housing 30 . In some embodiments, the butt portion 38 includes ribs provided on the upper shell body of the upper shell 30 and a portion of the upper shell 30 surrounded by the ribs. Of course, the butt portion 38 may not include ribs, and only A part of the upper case body including the upper case 30 .

In the embodiment of the present disclosure, the relief portion 26 includes a relief hole 27 and a relief hole 28 . As shown in Figure 1 shows that since the protruding portion 120 has the most obvious influence on the overall height of the lower shell assembly 10, the arrangement of the escape holes 27 and 28 can make the two ends of the protruding portion 120 in the lower shell assembly 10 as close as possible to the middle cover 20 , until it can protrude out of the escape holes 27 and 28 , thereby reducing the assembly gap between the lower shell assembly 10 and the middle cover 20 .

Referring to FIG. 1 and FIG. 2A , the upper shell 30 is assembled on the middle cover 20 , and a plurality of matching structures with the middle cover 20 are provided inside the upper shell 30 .

As shown in FIG. 1 , the lower shell assembly 10 , the middle cover 20 , and the upper shell 30 of the cleaning device 1 are arranged in sequence. For example, as shown in FIG. 1 , the middle cover 20 is fixed on the lower shell assembly 10 , the upper shell 30 is fixed on the middle cover 20 , and the upper shell 30 and the lower shell body 100 cooperate to form a cavity 103 (see FIG. 7 ).

For example, in the lower shell assembly 10, the lower shell body 100 can also be provided with other components, such as the drive motor 14, the battery pack 15, the control board 23, and the driver 24. For example, the driver 24 can be used as a component of the cleaning module 13 in the cleaning device 1. Drive control components; the upper shell 30 can also be provided with a nozzle 31, a button 32, an indicator light 33, and a decorative piece 36, and the decorative piece 36 includes a water tank plug 35 and a water tank bottom shell 34. In the lower case assembly 10, the cover portion 12 is fixedly and detachably connected to the lower case body 100 along its periphery. For example, the cover part 12 may be provided with equipment such as a traveling member of the cleaning device 1 or a driving motor of the traveling member.

For example, the lower shell assembly 10 , the middle cover 20 , and the upper shell 30 of the cleaning device 1 can be made of plastic material or any material with strong supporting force, and the embodiments of the present disclosure are not limited thereto.

2B is a partial structural schematic diagram of an upper shell in a housing assembly for a cleaning device according to an embodiment of the present disclosure. FIG. 2C is a partial structural schematic diagram of an upper shell in a housing assembly for a cleaning device according to an embodiment of the present disclosure. FIG. 2D is a partial structural schematic diagram of an upper shell in a housing assembly for a cleaning device according to an embodiment of the present disclosure. 3A is a schematic structural diagram of a lower shell assembly in a shell assembly for a cleaning device according to an embodiment of the present disclosure. 3B is a top view of a cover part in a lower housing assembly of a housing assembly for a cleaning device according to an embodiment of the present disclosure. 3C is a side view of a cover part in a lower shell assembly of a housing assembly for a cleaning device according to an embodiment of the present disclosure.

For example, referring to FIGS. 1 , 3A, 3B and 3C, in the housing assembly 01 for the cleaning device 1 , the protruding portion 120 of the lower housing assembly 10 has a cavity 29 on a side facing away from the upper housing 30 . The structure and internal volume of the cavity 29 are limited by the cover part 12. For example, the traveling component 296 of the cleaning device and the driving motor 297 can be disposed in the cavity 29. The driving motor 297 is configured to drive the traveling component 296 to rotate, thereby causing the driving motor to rotate. 297 drives the cleaning device 1 to move.

As shown in FIG. 3B , the cover part 12 includes three parts, namely a first cover 291 , a second cover 292 and a third cover 293 . The first cover 291 and the second cover 292 are spliced into a whole, and are fixedly connected to the lower shell body 100 respectively. The first cover 291 and the lower shell body 100 pass through the first connection part 2941 and the second connection part 2942 Connection; the second cover 292 and the lower shell body 100 are connected through the third connection part 2943 and the fourth connection part 2944. For example, the first cover 291 and the second cover 292 can be fixedly connected to the lower case body 100 through bolts respectively, or any other suitable way to achieve fixed connection, which is not limited by this disclosure.

Referring to Figures 1, 3A, 3B and 3C, the walking component 296 in the cleaning device is disposed in the cavity 29 on the side of the protruding portion 120 of the lower shell assembly 10 away from the upper shell 30, and the cavity 29 is formed by Defined by a portion of the first cover 291 and the second cover 292 . The driving motor 297 is disposed on a side of the lower housing 10 close to the upper housing 30 , and the space for accommodating the driving motor 297 in the protruding portion 120 is defined by another part of the second housing 292 and the third housing 293 . As shown in FIG. 3C , the second cover 292 and the third cover 293 are fixedly connected through the first fixing part 2951 , the second fixing part 2952 , the third fixing part 2953 and the fourth fixing part 2954 respectively. For example, Bolt connection, and any other suitable method that can achieve fixed connection, this disclosure is not limited.

Referring to FIGS. 1 , 3B and 3C , in the lower shell assembly 10 , the protruding portion 120 defined by the cover portion 12 has the greatest influence on the overall height of the lower shell assembly 10 , since the middle cover 20 is disposed above the lower shell assembly 10 , therefore, the middle cover 20 needs to be provided with a corresponding avoidance structure for the protruding portion in the lower shell assembly 10 to ensure the necessary assembly clearance.

FIG. 4 is a partial structural schematic diagram of a middle cover used in a housing assembly of a cleaning device according to an embodiment of the present disclosure. FIG. 5 is a schematic structural diagram of a lower shell assembly and a middle cover of a shell assembly for a cleaning device according to an embodiment of the present disclosure.

In the embodiment of the present disclosure, the relief portion 26 includes a relief hole 27 and a relief hole 28 . FIG. 1 illustrates an example in which the shelter part 26 includes two shelter holes. In other embodiments, the shelter part may include one or more shelter holes.

At least a part of the protruding portion 120 protrudes from the shelter hole to further reduce the height and volume of the cleaning device. Referring to FIGS. 1 , 4 and 5 , at least a part of the protruding portion 120 in the housing assembly 01 for the cleaning device 1 protrudes from the escape holes 27 and 28 . As shown in FIG. 4 , the escape portion 26 of the middle cover 20 further includes an outline portion 270 and an outline portion 280 , and the outline portion 270 is configured to define the escape hole 27 and the outline portion 280 is configured to define the escape hole 28 . For example, the size or shape of the relief hole 27 and the relief hole 28 may be the same or different. For example, the dimension L3 of the relief hole 27 or the size L1 of the relief hole 28 may be Set with reference to the dimension L in the protruding part 120, for example, the dimension L1 or the dimension L3 can be larger than the dimension L, and ensure that the protruding part 120 protrudes behind the avoidance part 26, so that the endpoint A1 and the endpoint A2 of the dimension L are respectively at a distance of The boundary of the hollow part 26 is 3-5 mm. By providing the avoidance portion 26 on the middle cover 20, the structure of the protruding portion 120 of the lower shell assembly 10 can be cleverly avoided, so that the structure of the middle cover 20 can be reduced according to the conformal design of the protruding portion 120, and the structural design can be simplified. complexity. For example, in at least one embodiment of the present disclosure, the design solution of opening an escape hole for the protruding part 120 allows the middle cover 20 to reduce the overall height of the middle cover 20 through the avoidance part 26 relative to the protruding part 120, which not only can Reducing the weight of the middle cover 20 can also make the body of the cleaning device 1 lighter and thinner as a whole; in addition, when the adsorption capacity of the cleaning device 1 is constant, it can also reduce the risk of the cleaning device 1 falling during operation.

Referring to FIGS. 1 and 2A , the upper shell 30 of the cleaning device 1 is disposed on the middle cover 20 , and the upper shell 30 includes multiple structures that are fixed or matched with the lower shell assembly 10 and the middle cover 20 . The hollow portion 26 and the docking portion 38 of the upper shell 30 may include a variety of matching structural forms.

For example, referring to FIGS. 1 and 2A , the butt portion 38 of the upper shell 30 includes annular ribs 39 and 40 , and the ribs 39 and 40 have the same shape as the contour portion 26 of the middle cover 20 . For example, the ribs 39 and the outline 280 have the same shape, and the ribs 40 and the outline 270 have the same shape.

For example, referring to FIGS. 1 and 2A , the butt portion 38 of the upper shell 30 includes annular ribs 39 and 40 , and the ribs 39 and 40 can have the same size as the contour portion 26 of the middle cover 20 . For example, the ribs 39 and the contour portion 280 have the same size, and the ribs 40 and the contour portion 270 have the same size.

For example, referring to Figures 1, 2A, 2B and 4, the butt portions 38 of the upper shell 30 are symmetrically distributed about the central plane 02, that is, the corresponding contour portions 270 and 280 in the middle cover 20 are also symmetrically distributed. And when the upper shell 30 and the middle cover 20 are relatively arranged and matched, the symmetry planes of the outline portion 270 and the outline portion 280 are the same central plane 02. The following description is based on the fact that the contour portion 270 in the middle cover 20 and the ribs 40 on the upper shell 30 are arranged oppositely and cooperate with each other.

Referring to FIGS. 1 , 2A , 2B and 4 , the ribs 40 of the upper case 30 include a matching surface 401 , and the contour portion 270 of the middle cover 20 includes a contour surface 271 . When the ribs 40 of the upper case 30 are butted with the hollow portion 26 of the middle cover 20 , since the ribs 40 and the contour portion 270 have the same shape and size, the matching surface 401 can overlap with the contour surface 271 , thereby achieving The ribs 40 are arranged opposite to the contour portion 270 and cooperate with each other, and shield the avoidance portion 26 through the butt portion 38 of the upper shell 30 to form an avoidance structure relative to the protruding portion 120 . For example, referring to FIGS. 2A and 2B , the ribs 40 of the butt portion 38 of the upper shell 30 can be provided with a certain depth L6 , so that the ribs 40 can define a cavity 402 , so that when the ribs 40 and the contour portion 270 are arranged oppositely, After matching, the protruding portion 120 on the lower shell assembly 10 protrudes from the contour portion 270 . The points may be further defined by ribs 40 and shielded in cavities 402 . That is, the cavity 402 can further provide a shielding space for the portion of the protruding portion 120 that protrudes from the contour portion 270 . For example, in some embodiments of the present disclosure, the depth L6 of the ribs 40 may be uneven, so that the ribs 40 can be conveniently disposed relative to and matched with the contour portion 270 .

For example, in at least one embodiment provided by the present disclosure, the rib position of the butt portion 38 of the middle cover 30 of the housing assembly 01 can be different from the size of the profile portion 26 of the middle cover 20, so that the butt portion 38 is in line with the avoidance portion. 26 is a nested fit.

Referring to FIG. 1 , FIG. 2A , FIG. 2B , FIG. 2C , FIG. 2D and FIG. 4 , the size of the ribs 40 in the butt portion 38 of the upper shell 30 may be different from the profile portion 270 of the middle cover 20 . For example, the rib 40 includes a side 403 and a side 404, and the side 403 is located on the side away from the cavity 402, and the side 404 is located on the side close to the cavity 402.

For example, the opening defined by the intersection of the side surface 403 and the matching surface 401 is the opening 405, and the opening 405 is a parallelogram. For example, the assembly gap between the butt portion 38 and the contour portion 26 is M, then when the size L7 of the opening 405 is smaller than L3, the size L8 is smaller than L4, and L3-L7=2M, L4-L8=2M, the butt portion of the upper shell 30 The 38-inch ribs 40 can be inserted into the contour portion 270 of the middle cover 20 in the form of opposite insertion, and the insertion depth is determined by the depth L6 of the ribs 40 . For example, when the depth of the rib 40 is uneven, the depth at which the rib 40 is inserted into the contour portion 270 is the minimum depth of the rib 40 .

For example, the opening defined by the intersection of the side surface 404 and the matching surface 401 is the opening 406, and the opening 406 is a parallelogram. For example, the outline portion 270 has a certain height N relative to the middle cover 30 , and the thickness is uniform and set to K. When the size L9 of the opening 406 is larger than L3, the size L10 is larger than L4, and L9-L3=2K+2M, and L10-L4=2K+2M, the outline portion 270 can be inserted into the ribs 40 of the upper shell 30 in a form of opposite insertion. The insertion depth is determined by the depth L6 of the rib 40 or the height N of the contour portion 270 . For example, when the depth L6 of the rib 40 or the height N of the contour portion 270 is uneven, the insertion depth is the minimum of the depth L6 or the height N.

For example, in some embodiments provided by the present disclosure, the profile portion in the housing assembly for the cleaning device includes an annular flange. For example, one of the butt portion and the profile portion includes a flange, and the other one of the butt portion and the profile portion includes a recess, so that the butt portion and the profile portion are inserted.

6A is a schematic diagram of the external structure of a middle cover used in a housing assembly of a cleaning device according to another embodiment of the present disclosure. 6B is a schematic diagram of the internal structure of an upper shell in a housing assembly for a cleaning device according to an embodiment of the present disclosure. 6C is a partial schematic view of the interior of an upper shell in a housing assembly for a cleaning device according to an embodiment of the present disclosure.

Referring to FIGS. 6A , 6A and 6B , the outline portion 570 and the outline portion 580 include a plurality of annular flanges 50 , and each flange 50 is cylindrical and is arranged at intervals along the outline portion 570 . For example, the number and shape of the flanges 50 on the contour portion 570 or the contour portion 580 can be determined according to actual engineering design needs, and this disclosure is not limiting.

For example, in the housing assembly for a cleaning device provided by at least one embodiment of the present disclosure, one of the butt portion and the profile portion includes a flange, and the other one of the butt portion and the profile portion includes a recess, so that the butt portion and the profile portion Plug.

For example, as shown in FIG. 6B , the butt portions 58 of the upper shell 35 are symmetrically distributed along the central plane 05 , that is, the annular ribs 59 and 60 are symmetrically distributed along the central plane 05 . The ribs 59 of the upper shell 35 and the contour portion 570 on the middle cover (as shown in FIG. 6A ) are arranged relative to each other and cooperate with each other for description.

Referring to FIGS. 6A and 6C , on the ribs 59 , a plurality of recesses 51 relative to the plurality of flanges 50 on the contour portion 570 are sequentially provided, so that when the ribs 59 and the contour portion 570 of the upper shell 35 are arranged relative to each other, When mated, each flange 50 on the profile portion 570 can be inserted into the corresponding plurality of recesses 51 in the ribs 59 , so that the upper shell 35 and the middle cover 25 are fixed when they are relatively arranged and mated.

For example, in some embodiments provided by the present disclosure, a plurality of flanges 50 can also be provided on the ribs 59 , and corresponding plurality of recesses 51 are provided on the outline portion 570 , so that the ribs 59 of the upper shell 35 are aligned with the ribs 59 . When the outline portion 570 is relatively arranged and matched, each flange 50 on the rib 59 can be inserted into the corresponding plurality of depressions 51 in the outline portion 570 , so that the upper shell 35 and the middle cover 25 are arranged oppositely and matched. Fixed when achieved.

For example, in some embodiments of the present disclosure, a surface of the profile portion close to the upper shell in the housing assembly of the cleaning device may be flat.

For example, referring to FIG. 1 , FIG. 2B and FIG. 4 , the surface of the contour portion 270 close to the upper housing 30 in the housing assembly of the cleaning device is the contour surface 271 , and the surface of the contour portion 280 close to the upper housing 30 is the contour surface 281 . The contour surface 271 and the contour surface 281 are symmetrically distributed, and both the contour surface 271 and the contour surface 281 are flat. For example, taking the relative arrangement and cooperation of the ribs 40 and the contour portion 270 as an example, the matching surface 401 of the ribs 40 and the contour surface 271 can overlap, so that the ribs 40 can completely cover and seal the contour portion 270 . Therefore, setting the profile surface 271 and the profile surface 281 as a planar structure facilitates installation and matching between the ribs 40 in the upper shell 30 and the profile portion 270 , and ensures good sealing between the matching surface 401 and the profile surface 271 .

Of course, in some embodiments of the present disclosure, in order to meet the structural design requirements, each contour surface and the corresponding joint surfaces on the rib positions can also be set as non-planar, that is, to meet the needs of each contour surface and the corresponding joint surfaces. The docking matching relationship between corresponding docking surfaces is sufficient, and embodiments of the present disclosure do not limit this.

According to the above embodiments, it can be seen that when the hollow portion 26 of the middle cover 20 and the butt portion 38 of the upper case 30 have the same shape and size, the hollow portion 26 and the butt portion 38 are matched by surface overlap and docking; When the shape of the part 26 and the butt part 38 of the upper case 30 are the same but different in size, the avoidance part 26 and the butt part 38 fit through a plug-in type; the butt part 58 of the avoidance part 56 of the middle cover 25 and the upper case 35 When the shapes and sizes are the same, the avoidance portion 56 and the butt portion 58 can be butt-fitted.

For example, in some other embodiments of the present disclosure, when the hollow portion 56 of the middle cover 25 and the butt portion 58 of the upper case 35 have different shapes and sizes, the hollow portion 56 and the butt portion 58 can also be butt-fitted. , that is, the plurality of recesses 51 can be plugged and matched with the plurality of flanges 50 . The number and arrangement positions of the plurality of recesses 51 and the plurality of flanges 50 can be determined according to the matching structure of the avoidance part 56 and the butt part 58 design, this disclosure does not limit this.

For example, the housing assembly for a cleaning device provided by at least one embodiment of the present disclosure may further include a sealing element. For example, with reference to FIGS. 1 , 2A and 5 , the cleaning device 1 further includes a sealing element 251 and a sealing element (not shown), and the sealing element 251 and the sealing element (not shown) are located between the butt portion 38 and the contour portion 26 space, and is configured to make a sealing connection between the butt portion 38 and the contour portion 26 .

Referring to Figures 4 and 5, the sealing element 251 is provided on the profile portion 270, and the sealing element (not shown) is provided on the profile portion 280. Since the outline portion 270 and the outline portion 280 are arranged symmetrically, for ease of understanding, the following description takes the outline portion 270 as an example.

For example, referring to FIGS. 2B , 4 and 5 , the sealing element 251 may be disposed on the profile surface 271 of the profile portion 270 . When the ribs 40 in the upper shell 30 are relatively arranged and matched with the contour surface 271 through the butt surface 401, the sealing element can exert a good sealing effect during the pressing process to ensure that the contour portion 270 and the ribs 40 are relatively arranged and matched. It has good sealing performance and prevents airflow from flowing from the side of the middle cover 20 close to the lower case 10 to the side of the middle cover 20 away from the lower case 10 after the contour portion 270 is covered by the ribs 40 .

For example, in some embodiments of the present disclosure, the sealing element can also be disposed on the butt surface of each rib position, that is, the sealing element 251 can also be disposed on the rib position 40, and the sealing element can be disposed on the rib position 39, Therefore, each sealing element plays a sealing role when the profile portion 270 and the rib portion 40 are relatively arranged and matched, or when the profile portion 280 and the rib portion 39 are arranged and matched relative to each other.

For example, referring to FIGS. 6A and 6B , when multiple flanges are provided on the contour portion 570 and the contour portion 580 , and corresponding plurality of recesses are provided on the rib positions 59 and 60 , each sealing element is positioned on each flange. It suffices to open holes at the position or the position of the ribs to avoid them. The present disclosure does not limit the shape of the sealing element.

For example, each sealing element may include foam or rubber ring, or any other sealing element that can play a sealing role, and the embodiments of the present disclosure are not limited thereto.

For example, referring to FIGS. 1 and 5 , the protruding portion 120 of the lower shell assembly 10 includes a first protruding end 1204 and a second protruding end 1205 , and there are two avoidance portions, and the two avoidance portions are configured In order to avoid the first protruding end 1204 and the second protruding end 1205 respectively and to be located at the first protruding end 1204 and the second protruding end 1205 respectively. For example, the position of the avoidance structure can be set according to the first protruding end 1204 and the second protruding end 1205 of the protruding portion 120 . For example, the first protruding end 1204 and the second protruding end 1205 can be respectively set at a position where the protruding portion 120 has higher requirements for the matching structure of the center cover 30 . The highest height area of the shell 10, so that the middle cover 20 needs to be designed to conform to the protrusion 120, by arranging the avoidance structure, thereby reducing the structural features of the middle cover 20, and lowering the middle cover 20 and the upper part. The height of the shell 30.

FIG. 7 is a cross-sectional view of a cleaning device according to an embodiment of the present disclosure. FIG. 8 is another cross-sectional view of a cleaning device according to an embodiment of the present disclosure.

For example, referring to FIGS. 5 and 7 , when two avoidance structures are provided according to the protruding portion 120 , the two avoidance structures are symmetrically distributed relative to a plane 06 between the two avoidance structures. For example, when the two avoidance structures are arranged symmetrically, it is beneficial to reduce the structural complexity of the middle cover 20 and the upper shell 30 , maintain the stability of the structure, and facilitate manufacturing and operation.

For example, referring to Figures 5, 7 and 8, the middle cover 20 has a connecting portion 275 located between two escape holes of the two escape structures, and the connecting portion 275 includes a flat portion 276 close to the upper shell 30, and The two contour portions in the two avoidance structures are the contour portion 270 and the contour portion 280 , wherein each contour portion is inclined relative to the planar portion 276 , and the inclination angle between the contour portion 270 and the contour portion 280 and the planar portion 276 is same. The inclination angle between the outline part 270 and the planar part 276 is α1, the inclination angle between the outline part 280 and the planar part 276 is α2, and α1 and α2 are equal in size.

For example, referring to Figures 1, 5, 7 and 8, on the first protruding end 1204 and the second protruding end 1205, the avoidance portion 26 is provided through the centering cover 20, and the first protruding end 1204 The protruding portion of the second protruding end 1205 can be placed in the relief hole 27 , so that the protruding portion of the second protruding end 1205 can be placed in the relief hole 28 . When the upper shell 30 cooperates with the middle cover 20, a concave structure 305 and a concave structure 306 close to the walking component 296 can be provided corresponding to the avoidance portion 26 of the middle cover 20. The concave structure 305 and the concave structure 306 of the upper shell 30 can enable the upper shell 30 to be as close as possible to the middle cover 20 and the walking part 296 under the condition that the assembly clearance is satisfied, thereby reducing the distance between the upper shell 30 and the walking part 296 , and the overall height of the cleaning device 1 is reduced to facilitate storage and portability.

Of course, in some embodiments of the present disclosure, based on structural design requirements and ease of implementation, the inclination angle α1 between the outline part 270 and the planar part 276 may also be the same as the inclination angle α2 between the outline part 280 and the planar part 276 The sizes are not equal, and the embodiments of the present disclosure do not limit this.

FIG. 9 is a schematic structural diagram of a lower shell assembly and a middle cover of a shell assembly for a cleaning device according to another embodiment of the present disclosure. FIG. 10 is a cross-sectional view of the cleaning device provided in FIG. 9 .

Referring to FIGS. 9 and 10 , the protruding portion 120 of the lower shell assembly 10 includes a first protruding end 1201 and a second protruding end 1202 , one avoidance portion is provided, and the avoidance portion is configured to be opposite to the first protrusion. The end 1201 and the second protruding end 1202 are recessed and extend from the first protruding end 1201 to the second protruding end 1202 . At this time, a profile portion 290 is formed on the middle cover 20 and an opening 29 defined by the profile portion 290 . The side of the protruding portion 120 away from the lower shell 10 can protrude from the opening 29 . Corresponding to the contour portion 290 on the middle cover 20 , the upper shell 30 is provided with a docking portion (not shown) that can be arranged opposite and cooperate with the contour portion 290 , and the docking portion can include an annular rib 91 , and the rib 91 A sealing element 291 is provided between the profile portion 290 and the middle cover 20 to enhance the airtightness between the middle cover 20 and the upper shell 30 . Regarding the relative arrangement and cooperation between the ribs 91 and the contour portion 290 and the arrangement of the sealing element 291 , please refer to the manner in the above embodiment, and will not be described again here.

For example, by arranging an avoidance structure 1203 for the protruding part 120, the avoidance range of the protruding part 120 is further increased, and the assembly distance between the middle cover 20 and the lower case 10 can be greatly reduced. At the same time, the upper shell 30 can also be structurally designed as close as possible to the protruding portion 120 at a position corresponding to the protruding portion 120 . Therefore, this solution can further reduce the weight of the entire housing assembly and further reduce the height of the cleaning device.

For example, as shown in FIG. 1 , the shapes of the escape holes 27 and 28 of the housing assembly 01 of the cleaning device 1 in the embodiment of the present disclosure may include at least one of a polygon, a circle, and an ellipse. , the embodiments of the present disclosure do not limit this.

For example, referring to FIGS. 1 and 7 , in the housing assembly 01 for the cleaning device 1 provided by at least one embodiment of the present disclosure, the middle cover 20 is located in the cavity 103 formed by the lower housing assembly 10 and the upper housing 30 . The volume of the middle cover 20 is small, and the projection of the middle cover 20 in the direction close to the lower shell 10 can all fall into the lower shell 10 . The upper shell 30 includes a plurality of structures inside that are matched and fixed with the middle cover 20 and the lower shell 10 . After the upper shell 30 and the lower shell 10 are fixed, a cavity 103 can be formed. In the cavity 103, multiple operating components required by the cleaning device 1 can be provided. At the same time, the middle cover 20 is also provided in the cavity 103 to facilitate the orderly arrangement of multiple operating components and to increase the size of the cleaning device. Strength and structural stability of housing assembly 01 in 1.

For example, referring to FIG. 1 and FIG. 3C , the cleaning device 1 includes a cleaning body, a walking component 296 and the housing assembly for the cleaning device described in any of the above embodiments. For example, the cleaning body may include other components in the cleaning device 1 except the walking part 296 and the housing assembly 01 . The walking part 296 is disposed on a side of the lower shell assembly 10 away from the upper shell 30 , wherein the side of the protruding portion 120 away from the upper shell 30 has a cavity 29 , and at least a part of the walking part 296 is located in the cavity 29 . For example, the walking component 296 includes a crawler module, but is not limited thereto. In other embodiments, the walking component 296 may include a roller module. For example, the roller module includes two rollers, and the rotation of the two rollers allows the cleaning device 1 to travel in a straight line.

For example, the cleaning device 1 also includes a negative pressure mechanism 05. The negative pressure mechanism 05 includes an air inlet hood 203, a fan 21 and an air outlet hood 22. The fan 21 is located in the space surrounded by the air inlet hood 203 and the air outlet hood 22, and The air inlet hood 203 and the air outlet hood 22 are sealedly connected, and the negative pressure mechanism 05 is configured to operate through the fan 21 to suck the airflow at the bottom of the middle cover 20 from the air inlet hood 203, and allow the airflow to flow through the fan 21 and then from the air outlet hood. 22 discharge. After the avoidance portion 26 is relatively arranged and matched through the butt portion 38 , the airflow cannot flow from the avoidance portion 26 into the air cavity 103 between the middle cover 20 and the upper shell 30 . As can be seen from FIG. 1 , the air inlet cover 203 in the negative pressure mechanism 05 can be a part of the middle cover 20 and includes an air inlet 204 .

Referring to Figure 1, Figure 2A and Figure 11, the upper shell 30 in the cleaning device 1 includes an air outlet 372 and an air outlet 374, the air outlet hood 22 includes a guide end 262 and a guide end 264, and the guide end 262 and the guide end 264 The end 264 is disposed on the surface 267 of the contour portion 26 of the middle cover 20 close to the upper shell 30 , and the guide end 262 is connected to the air outlet 372 , and the guide end 264 is connected to the air outlet 374 , thereby passing the airflow through the air outlet hood 22 It is discharged from the air outlet 372 and the air outlet 374 of the upper case 30. After the avoidance portion 26 is blocked by the docking portion 38, the air flow cannot flow from the avoidance portion 26 into the air cavity 103 between the middle cover 20 and the upper case 30.

Referring to Figures 1, 2A and 11, the main path of the airflow in the cleaning device 1 may include: when the fan 21 is running, the airflow enters the fan 21 from the bottom of the cleaning device 1 from the air inlet 204 of the air inlet hood 203; It includes a plurality of airflow holes 215. The airflow entering the air inlet hood 203 flows through the fan 21 in the direction away from the lower shell 10 of the cleaning device 1 to the air outlet hood 22; finally, the airflow can flow from the guide end on the air outlet hood 22 262 and the guide end 264, and is discharged from the cleaning device 1 through the air outlet 372 and the air outlet 374. As shown in FIG. 7 , during the circulation process of the air flow, when the avoidance part 26 is covered by the butt joint 38 , the butt part 38 on the upper case 30 can seal the avoidance part 26 , so the air flow cannot leak to the middle cover 20 and the middle cover 20 . In the air cavity 103 between the upper shells 30, the airflow in the main flow path will not be reduced, so that This ensures the adsorption effect of the cleaning device 1 and reduces the risk of the cleaning device 1 falling during operation.

Continuing to refer to FIG. 1 , the cleaning device 1 includes a cleaning module 13 and a cleaning module 11 . Each of the cleaning module 13 and the cleaning module 11 includes a rag rack and a rag arranged on the rag rack respectively. The cleaning module 13 is a rotary motion module. For example, the cleaning module 13 can be called a disk module, and the cleaning module 11 can be called a square disk module.

The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure. should be covered by the protection scope of this disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

A housing assembly for a cleaning device, comprising:

The lower shell assembly includes a lower shell body and a cover part, and the cover part has a protruding part;

a middle cover assembled on the lower shell assembly; and

The upper shell is assembled on the lower shell body,

Wherein, the lower shell assembly, the middle cover, and the upper shell are arranged in sequence, and the protruding portion protrudes toward the upper shell,

The middle cover has a hollow portion relative to the protruding portion,

The upper shell has a butt portion, and the butt portion is arranged opposite to the avoidance portion and cooperates to form an avoidance structure relative to the protruding portion.
The housing assembly for a cleaning device according to claim 1, wherein the shelter portion includes a relief hole, and at least a portion of the protruding portion protrudes from the relief hole.
The housing assembly for a cleaning device of claim 2, wherein the escape portion further includes a contour portion configured to define the escape hole.
The housing assembly for a cleaning device according to claim 3, wherein the butt portion includes an annular rib, and the rib has the same shape as the contour portion.
The housing assembly for a cleaning device according to claim 4, wherein the ribs have the same size as the contour portion.
The housing assembly for a cleaning device according to any one of claims 3-4, wherein the profile portion includes an annular flange.
The housing assembly for a cleaning device according to claim 6, wherein the ribs and the contour portion have different sizes, so that the flange and the hollow portion form a nested fit.
The housing assembly for a cleaning device according to claim 4, wherein one of the abutment portion and the profile portion includes a flange, and the other one of the abutment portion and the profile portion includes a recess, such that The butt part and the profile part are inserted.
The housing assembly for a cleaning device according to any one of claims 4 to 7, wherein a surface of the contour portion close to the upper shell is flat.
The housing assembly for a cleaning device according to any one of claims 3 to 9, further comprising a sealing element located between the abutment portion and the profile portion and configured such that the There is a sealing connection between the butting part and the profile part.
The housing assembly for a cleaning device according to claim 10, wherein the sealing element includes foam or a rubber ring.
The housing assembly for a cleaning device according to any one of claims 1 to 11, wherein the protruding portion of the lower housing assembly includes a first protruding end and a second protruding end, and the avoidance There is one hollow portion, and the avoidance portion is configured to avoid the first protruding end and the second protruding end and extend from the first protruding end to the second protruding end. end.
The housing assembly for a cleaning device according to any one of claims 1 to 11, wherein the protruding portion of the lower housing assembly includes a first protruding end and a second protruding end, and the housing The body assembly includes two avoidance parts, the two avoidance parts are configured to avoid the first protruding end and the second protruding end respectively and are respectively located at the first protruding end and the second protruding end. the second protruding end.
The housing assembly for a cleaning device according to claim 13, wherein the two avoidance structures are symmetrically distributed with respect to a plane between the two avoidance structures.
The housing assembly for a cleaning device according to any one of claims 13-14, wherein the middle cover has a connection portion between the two escape holes of the two escape structures, the connection The portion includes a planar portion close to the upper shell, each of the two profile portions in the two avoidance structures is arranged obliquely relative to the planar portion, and the two profile portions and the planar portion form a The inclination angle is the same.
The housing assembly for a cleaning device according to any one of claims 2 to 11, wherein the shape of the escape hole includes at least one of a polygon, a circle, and an ellipse.
A cleaning device including:

A walking component, disposed on the side of the lower shell assembly away from the upper shell; and

The housing assembly for a cleaning device according to any one of claims 1 to 16, wherein a side of the protrusion facing away from the upper shell has a cavity, and at least a part of the walking component is located therein. Inside the cavity.
The cleaning device of claim 17, further comprising:

Negative pressure mechanism, the negative pressure mechanism includes an air inlet hood, a fan and an air outlet hood. The fan is located in the space surrounded by the air inlet hood and the air outlet hood. The air inlet hood and the air outlet hood The air hood is sealed and connected, and the negative pressure mechanism is configured to operate through the fan to inhale the airflow at the bottom of the middle cover from the air inlet hood, and allow the airflow to flow through the fan and then exit from the outlet. hood discharge;

Wherein, after the butt portion and the avoidance portion are arranged oppositely and matched, the airflow cannot flow from the avoidance portion into the air cavity between the middle cover and the upper case.