CN219291709U - Shielding cover and cleaning equipment suitable for cleaning shielding cover - Google Patents

Abstract

The embodiment of the utility model provides a shielding cover and cleaning equipment suitable for cleaning the shielding cover. The shielding cover is constructed in a plate-shaped structure and is detachably mounted on the upper surface of the step tread of the escalator, and one end of the shielding cover is formed with a bending part bending towards the front surface of the step tread so as to limit the position of the shielding cover relative to the step tread, so that the shielding cover covers a part of the area of the upper surface of the step tread. The cleaning apparatus includes: the shell is internally provided with a cleaning cavity, and a cleaning station for accommodating a shielding cover to be cleaned is arranged in the cleaning cavity; the flushing part is arranged in the cleaning cavity and is suitable for flushing the outer edge of the shielding cover so as to drop at least one part of pollutants attached to the shielding cover; and an air dryer portion disposed around the cleaning station and configured to output an air flow to an upper surface and/or an outer edge of the shadow mask to air-dry the shadow mask.

Description

Shielding cover and cleaning equipment suitable for cleaning shielding cover

Technical Field

The present utility model relates to a cleaning apparatus, and more particularly, to a shadow mask and a cleaning apparatus suitable for cleaning the shadow mask.

Background

In an escalator, in order to distinguish a step tread of the escalator from skirt boards on two sides and/or adjacent next step tread boards, coating materials with gorgeous colors (such as yellow) are often sprayed on two sides of the upper surface and/or the outer edge positions of the front end of each step tread board so as to display a safety area on the step tread board for passengers to stand.

When the step pedal is sprayed, a shielding cover is generally required to be configured so as to shield the part of the upper surface of the step pedal, which is not required to be sprayed, and after the spraying is finished, the shielding cover is required to be replaced and cleaned. At present, the cleaning of shielding cover is generally to put shielding cover in the cascade cabinet and wash, and the shielding cover that will wash removes to other regions and dries, and the operation is comparatively loaded down with trivial details, and still can lead to the water that is attached to on the shielding cover to spill to other work areas at the removal in-process, causes work area's pollution.

Disclosure of Invention

To solve at least one technical problem of the above or other aspects in the prior art, the present utility model provides a shielding cover and a cleaning device suitable for cleaning the shielding cover, wherein a process of washing and air-drying the shielding cover is integrated in the same space, so that the shielding cover is air-dried after being taken out by the cleaning device, and pollution to a working area is avoided.

In order to achieve the object, an aspect of the present utility model provides a shield cover configured in a plate-like structure detachably mounted on an upper surface of a step tread of an escalator, wherein one end of the shield cover is formed with a bent portion bent toward a front surface of the step tread to limit a position of the shield cover with respect to the step tread so that the shield cover covers a partial region of the upper surface of the step tread.

Another aspect of the present utility model provides a cleaning apparatus adapted to clean a shadow mask, comprising: a housing defining a cleaning chamber therein, the cleaning chamber being provided with a cleaning station for accommodating a shield to be cleaned; a flushing part, which is arranged in the cleaning cavity and is suitable for flushing the outer edge of the shielding cover so as to drop at least part of pollutants attached to the shielding cover; and an air drying part arranged around the cleaning station and configured to output air flow to the upper surface and/or the outer edge of the shielding cover so as to air-dry the shielding cover.

In an exemplary embodiment, the cleaning apparatus further comprises at least one support portion disposed within the cleaning chamber, an upper surface of each of the support portions defining the cleaning station, the support portion being adapted to bear against the bend of the shield to maintain the shield in a position inclined to the horizontal.

In an exemplary embodiment, the cleaning apparatus includes a plurality of support portions, and a plurality of the support portions are arranged in parallel in the cleaning chamber.

In an exemplary embodiment, the cleaning apparatus further includes a detecting portion configured to detect whether the shielding cover is assembled on the cleaning station.

In an exemplary embodiment, the detection portion is configured to be communicatively coupled to the flushing portion and/or the air drying portion to flush or air-dry the shield cover with the flushing portion and the air drying portion in a state in which the shield cover is in the cleaning station.

In an exemplary embodiment, the detecting end of the detecting part is disposed on the upper surface of the supporting part.

In an exemplary embodiment, the flushing part includes: a liquid supply pipe which is arranged in the cleaning cavity and is communicated with a liquid source storing cleaning liquid and is suitable for supplying the cleaning liquid into the cleaning cavity; and at least one nozzle group, each nozzle group comprises at least one nozzle, the nozzle is communicated with the liquid supply pipe and is configured to be arranged opposite to the outer edge of the shielding cover, so that the liquid outlet end of the liquid supply pipe sprays the cleaning liquid to the shielding cover.

In an exemplary embodiment, the spray head group is disposed below the cleaning station and adapted to spray the cleaning liquid toward an outer edge of a lower portion of the shadow mask.

In an exemplary embodiment, the nozzle groups are disposed on both sides of the cleaning station and adapted to spray the cleaning liquid toward the outer edges of both sides of the shadow mask.

In an exemplary embodiment, the air drying part is disposed in the cleaning chamber and configured to output an air flow in an extending direction of an upper surface of the shielding cover.

In an exemplary embodiment, the air dryer is suspended above the cleaning station and configured to output an air flow downward along an extension direction of the upper surface of the shielding cover.

In an exemplary embodiment, the cleaning apparatus further includes a cover body openably and closably mounted to the housing to seal the cleaning chamber in a state of being covered with the housing.

In an exemplary embodiment, the air-drying part is mounted on a surface of the cover facing the housing.

In an exemplary embodiment, the cover is pivotally mounted to one side of the housing.

In an exemplary embodiment, the cleaning apparatus further includes a driving part disposed between the cover and the housing, and adapted to drive the cover to swing between an open position in which the cleaning chamber is opened and a closed position in which the cleaning chamber is closed.

According to the shielding cover and the cleaning device suitable for cleaning the shielding cover disclosed by the utility model, the cleaning cavity suitable for cleaning the shielding cover is defined in the shell of the cleaning device, and the flushing part and the air drying part are integrated in the cleaning cavity. The flushing part is suitable for flushing the outer edge of the upper surface of the shielding cover through a cleaning medium so as to enable the pollutants attached to the shielding cover to fall off; the air drying part is suitable for air-drying the cleaned shielding cover. The cleaning medium and the pollutants which are separated from the shielding cover in the cleaning and air drying process are collected in the cleaning cavity by the shell for subsequent treatment. Therefore, the flushing and air drying processes of the shielding cover are integrated in the same space, the shielding cover does not need to be moved between the two processes, and the shielding cover is air-dried after being taken out by the cleaning equipment, so that the pollution to a working area is avoided.

Drawings

FIG. 1 is a perspective view of a cleaning apparatus suitable for cleaning a shadow mask in accordance with an exemplary embodiment of the present utility model;

FIG. 2 is an enlarged partial view of portion A of the cleaning apparatus of the exemplary embodiment shown in FIG. 1;

FIG. 3 is a front view in formal perspective of the cleaning apparatus of the exemplary embodiment shown in FIG. 1; and

fig. 4 is a top view of the cleaning apparatus of the exemplary embodiment shown in fig. 3 from a top view perspective.

In the drawings, the reference numerals specifically have the following meanings:

1. a housing;

2. a detection unit;

3. a support part;

31. a through hole;

4. a flushing part;

41. a nozzle group;

411. a first nozzle group;

412. a second nozzle group;

413. a third nozzle group;

42. a liquid supply pipe;

421. a first liquid supply pipe;

422. a second liquid supply pipe;

5. a cover body;

6. an air drying part;

61. an air knife;

62. a down wind knife;

7. a driving section;

71. a cylinder;

72. a piston rod;

8. a shielding cover;

81. an assembling portion; and

82. and a bending part.

Detailed Description

The present utility model will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The terms "comprises," "comprising," and/or the like, as used herein, specify the presence of stated features, steps, operations, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, or components. All terms, including technical and scientific terms, used herein have the meaning commonly understood by one of ordinary skill in the art unless otherwise defined. It should be noted that the terms used herein should be construed to have meanings consistent with the context of the present specification and should not be construed in an idealized or overly formal manner.

In this document, unless specifically stated otherwise, directional terms such as "upper," "lower," "left," "right," "inner," "outer," and the like are used to refer to an orientation or positional relationship shown based on the drawings, and are merely for convenience in describing the present utility model, rather than to indicate or imply that the devices, elements, or components referred to must have a particular orientation, be configured or operated in a particular orientation. It should be understood that when the absolute positions of the described objects are changed, the relative positional relationship they represent may also be changed accordingly. Accordingly, these directional terms should not be construed to limit the present utility model.

Where expressions like at least one of "A, B and C, etc. are used, the expressions should generally be interpreted in accordance with the meaning as commonly understood by those skilled in the art (e.g.," a system having at least one of A, B and C "shall include, but not be limited to, a system having a alone, B alone, C alone, a and B together, a and C together, B and C together, and/or A, B, C together, etc.). Where a formulation similar to at least one of "A, B or C, etc." is used, in general such a formulation should be interpreted in accordance with the ordinary understanding of one skilled in the art (e.g. "a system with at least one of A, B or C" would include but not be limited to systems with a alone, B alone, C alone, a and B together, a and C together, B and C together, and/or A, B, C together, etc.).

FIG. 1 is a perspective view of a cleaning apparatus suitable for cleaning a shadow mask in accordance with an exemplary embodiment of the present utility model;

the exemplary embodiment of the present utility model provides a shadow mask, as shown in fig. 1, in which the shadow mask 8 is constructed in a plate-shaped structure to be detachably mounted on an upper surface of a step tread of an escalator, and one end of the shadow mask 8 is formed with a bent portion 82 bent toward a front surface of the step tread to limit a position of the shadow mask 8 with respect to the step tread such that the shadow mask 8 covers a portion of an area of the upper surface of the step tread.

In an exemplary embodiment, as shown in fig. 1, the shielding cover 8 further includes a fitting portion 81 provided on an upper surface of the shielding cover 8, and adapted to be fitted with an external clamping device, such that the clamping device is detachably connected to the shielding cover 8 through the fitting portion 81 to clamp and/or move the shielding cover 8 such that the shielding cover covers or is detached from the step tread.

In an exemplary embodiment, the fitting portion 81 includes vertical plates disposed on the upper surface of the shielding cover 8 at intervals in parallel in the vertical direction. Further, a plurality of rod-shaped members extending in the horizontal direction are provided between the two longitudinal plates for being held by the holding device.

In an exemplary embodiment, the length (the distance between the two ends from the lower left to the upper right as viewed in fig. 1) and the width (the distance between the two ends from the upper left to the lower right as viewed in fig. 1) of the shielding cover 8 are each configured to be smaller than the size of a step tread (not shown in the drawings) to be sprayed, so that both sides and the rear end of the upper surface of the step tread are exposed to the outside of the shielding plate to be sprayed in a state where the shielding cover 8 covers the step tread.

In such an embodiment, the shield is adapted to cover the upper surface of the step tread, the bending portion 82 being bent downwards in the extending direction of the shield 8 to form an L-shaped structure in a side view of the shield 8. The bending portion of the shielding plate 8 is adapted to abut against the front end surface of the step tread (i.e., a surface extending in a direction substantially orthogonal to the upper surface of the step tread) in a state assembled with the step tread to limit the position of the shielding plate with respect to the step tread. The shielding plate 8 is in a state in which the step tread is disengaged, and an external clamping device is configured to clamp a plurality of rod-shaped members provided to the fitting portion 81 to disengage the shielding cover 8 from the upper surface of the step tread, thereby removing the shielding cover from the painting station to the cleaning station or other places.

The exemplary embodiment of the present utility model also provides a cleaning apparatus suitable for cleaning a shadow mask, as shown in fig. 1, including a housing 1, a flushing portion 4, and an air drying portion 6. A cleaning chamber is defined in the housing 1, in which cleaning chamber a cleaning station for accommodating a shielding cover 8 to be cleaned is arranged. The flushing part 4 is arranged in the cleaning cavity and is suitable for flushing the outer edge of the upper surface of the shielding cover 8 so as to drop at least part of pollutants attached to the shielding cover 8. The air dryer section 6 is disposed around the cleaning station and is configured to output an air flow to the upper surface and/or outer edge of the shadow mask 8 to air dry the shadow mask 8.

In one illustrative embodiment, as shown in FIG. 1, the housing 1 includes, but is not limited to, being configured as a cube structure. Further, the cleaning chamber is adapted to the shape of the housing 1 to form a cube structure. Further, the upper part of the housing 1 is provided with an opening adapted to allow the shielding cage to be put in and/or taken out. It should be understood that embodiments of the present disclosure are not limited thereto.

For example, the housing 1 and/or the cleaning chamber may be configured in a cylindrical, tray-cylindrical, and other configurations as may be appropriate to accommodate a shadow mask.

In an exemplary embodiment, the washing chamber defined by the housing 1 is further provided with a circulation portion (not shown in the figures). In detail, the circulation portion is adapted to discharge the cleaning medium accumulated in the cleaning chamber to the outside for further treatment (e.g., filtering the cleaning medium, etc.). Further, the cleaning medium includes, but is not limited to, at least one of water, a cleaning liquid (e.g., an alcohol solution), and other liquids suitable for rinsing contaminants (e.g., at least one of water-based paint, oil-based paint, and other coatings) attached to the surface of the shadow mask.

In such an embodiment, the housing of the cleaning apparatus defines a cleaning chamber therein adapted to receive the shield and serves as a receptacle for receiving the cleaning medium. The washing part and the air drying part are integrated in the washing cavity, and the washing part is suitable for washing the outer edge of the upper surface of the shielding cover through a washing medium so as to enable pollutants attached to the shielding cover to fall off; the air drying part is suitable for air-drying the cleaned shielding cover. The cleaning medium and the pollutants which are separated from the shielding cover in the cleaning and air drying process are collected in the cleaning cavity by the shell for subsequent treatment. Therefore, the flushing and air drying processes of the shielding cover are integrated in the same space, the shielding cover does not need to be moved between the two processes, and the shielding cover is air-dried after being taken out by the cleaning equipment, so that the pollution to a working area is avoided.

Fig. 2 is a partial enlarged view of part a of the cleaning apparatus of the exemplary embodiment shown in fig. 1.

According to an embodiment of the utility model, as shown in fig. 1 and 2, the washing apparatus further comprises at least one support portion 3 arranged in the washing chamber, the upper surface of each support portion 3 defining a washing station, the support portion 3 being adapted to rest against a bent portion 82 of the shielding cage 8 to hold the shielding cage 8 in a position inclined to the horizontal.

In an exemplary embodiment, as shown in fig. 1 and 2, the support portion 3 is configured in a contoured configuration, configured in a similar configuration to a step tread. In detail, the support part 3 includes a body configured in an L-shaped structure. Further, the body of the supporting portion 3 is provided with a plurality of ribs arranged at regular intervals in the longitudinal direction.

In an exemplary embodiment, as shown in fig. 1 and 2, the upper surface of the support portion 3 is disposed obliquely to the horizontal direction (obliquely from the upper left to the lower right of the cleaning chamber in the housing as shown in fig. 2). Further, the upper surface of the support portion serves as a cleaning station that restricts the position of the shadow mask 8.

According to an embodiment of the present utility model, as shown in fig. 1 and 2, the cleaning apparatus includes a plurality of support parts 3, and the plurality of support parts 3 are arranged side by side in the cleaning chamber.

In an exemplary embodiment, as shown in fig. 1 and 2, a plurality of supporting parts 3 provided to the cleaning apparatus are disposed in parallel at intervals in the cleaning chamber to support a plurality of shadow masks 8 to be cleaned.

In such an embodiment, in a state where the shield cover 8 is disposed at the cleaning station, the support portion 3 abuts against the lower surface and the bent portion of the shield cover 8, and is adapted to hold the shield cover 8 in a state inclined to the horizontal plane, on the one hand, and to be attached to the bottom surface of the shield cover, on the other hand, so as to prevent at least a part of the cleaning medium (such as water) from being sprayed onto the lower surface of the shield cover. Further, the shielding cover 8 is kept in a state of being inclined to the horizontal plane, which is favorable for the cleaning medium on the shielding cover 8 to fall off quickly under the action of self weight, and the assembling portion 81 of the shielding cover 8 can be kept in a state of being convenient for assembling with the external clamping device (the assembling portion 81 is in the same horizontal plane with a plurality of rod-shaped pieces as shown in fig. 1) so as to be convenient for assembling with the clamping device.

According to an embodiment of the present utility model, as shown in fig. 1, the cleaning apparatus further comprises a cover 5 openably and closably mounted on the housing 1 to seal the cleaning chamber in a state of being covered with the housing 1.

In an exemplary embodiment, the surface of the cover 5 is provided with a transparent window for a staff outside the washing apparatus to check whether the shielding cover 8 is finished washing.

According to an embodiment of the present utility model, as shown in fig. 1, a cover 5 is pivotally mounted to one side of a housing 1.

According to an embodiment of the present utility model, as shown in fig. 1, the cleaning device further comprises a driving part 7 arranged between the cover 5 and the housing 1, and adapted to drive the cover 5 to swing between an open position where the cleaning chamber is opened and a closed position where the cleaning chamber is closed.

In an exemplary embodiment, the cover 5 is configured to be substantially identical in shape to the opening formed by the housing 1 to seal the cleaning chamber in the assembled state of the housing. In detail, the cover 5 and one side outer edge of the case (the outer edge located at the upper right as shown in fig. 1) are pivotally connected to each other. It should be understood that embodiments of the present disclosure are not limited thereto.

For example, the cover 5 is detachably hung above the housing 1.

For another example, the cover 5 is configured to be rotatable in a horizontal direction with respect to the housing 1 to move between a closed position fully coinciding with the opening of the housing 1 and a closed position offset or partially coinciding with the opening.

In an exemplary embodiment, the driving part 7 includes, but is not limited to, a pneumatic mechanism including a cylinder 71 and a piston rod 72 telescopically mounted in the cylinder 71. In detail, the opposite ends (upper and lower ends as shown in fig. 1) of the cylinder 71 and the piston rod 72 are pivotally mounted on the housing 1 or the cover 5, respectively, so that the cover 5 is opened or closed relative to the housing 1 by the outlet and return movement of the cylinder 71 driving the piston rod 72. It should be understood that embodiments of the present disclosure are not limited thereto.

For example, the driving part 7 may be configured as a motor and a transmission mechanism to drive the pivot shafts provided to the cover 1 and the housing 5 to rotate, and to cause the cover 5 to pivot to open or close.

According to an embodiment of the present utility model, as shown in fig. 1 and 2, the cleaning apparatus further includes a detection section 2. The detecting portion 2 is configured to detect whether or not the shadow mask 8 is mounted on the cleaning station.

According to an embodiment of the present utility model, as shown in fig. 1 and 2, the detecting portion 2 is configured to be communicatively connected to the flushing portion 4 and/or the air drying portion 6, so that the flushing portion 4 and the air drying portion 6 flush or air-dry the shielding cover 8 in a state where the shielding cover 8 is in the cleaning station.

According to an embodiment of the present utility model, as shown in fig. 1 and 2, the detection end of the detection portion 2 is provided on the upper surface of the support portion 3.

In an exemplary embodiment, as shown in fig. 1 and 2, at least one through hole 31 is provided in the wall of the support 3 facing the shielding cover 8. Further, the detection end of the detection portion 2 is exposed in the through hole 31 to detect whether the shielding cover 8 covers the support portion 3. In this way, when the detection portion is shielded or abutted by the shielding cover 8, a signal can be outputted to assume that the shielding cover 8 is placed on the support portion 3.

In an exemplary embodiment, as shown in fig. 2, a plurality of through holes 31 are provided at intervals on the support portion 3. Further, a detection portion 2 is provided in each through hole. In this way, in a state where the plurality of detection portions are all shielded or abutted by the shielding cover 8, a signal can be outputted to consider that the position on the support portion 3 where the shielding cover 8 is placed is accurate.

In an exemplary embodiment, the detection portion 2 includes, but is not limited to, a contact or non-contact sensor. In detail, the contact sensor includes, but is not limited to, a photoelectric sensor, and the non-contact bed drying includes, but is not limited to, using a displacement sensor. Further, if the detecting portion 2 employs a touch sensor, the detecting end of the detecting portion 2 is configured to pass through the through hole 31 and protrude from the upper surface of the supporting portion 2.

Fig. 3 is a front view of the cleaning apparatus of the exemplary embodiment shown in fig. 1 from a formal perspective. Fig. 4 is a top view of the cleaning apparatus of the exemplary embodiment shown in fig. 3 from a top view perspective.

According to an embodiment of the present utility model, as shown in fig. 1 to 4, the flushing part 4 includes a liquid supply pipe 42 and at least one head group. The liquid supply pipe 42 is provided in the cleaning chamber and communicates with a liquid source storing a cleaning liquid, and is adapted to supply the cleaning liquid into the cleaning chamber. Each head group 41 includes at least one head that communicates with the liquid supply pipe 42 and is configured to be disposed facing the outer edge of the shield cap 8 such that the liquid outlet end of the liquid supply pipe 42 sprays the cleaning liquid toward the shield cap 8.

According to an embodiment of the utility model, as shown in fig. 2 and 4, the nozzle groups 41 are arranged on both sides of the cleaning station, and are adapted to spray cleaning liquid to the outer edges of both sides of the shadow mask 8.

In an exemplary embodiment, as shown in fig. 2 and 4, the flushing part 4 comprises a first feed pipe 421. In detail, the first liquid feeding pipe 421 is configured to be disposed in parallel with the outer edges of the shielding cover 8 on both sides. Further, the extending direction of the first liquid feeding pipe 421 and the extending direction of the outer edge of the shielding cover 8 are configured to be substantially parallel (extending from the upper left to the lower right as shown in fig. 2).

In an exemplary embodiment, as shown in fig. 2, the flushing part 4 further comprises a first nozzle group 411. In detail, the first nozzle group 411 includes a plurality of nozzles arranged in parallel at intervals, at least a part of which communicates with the first liquid supply pipe 421, and is adapted to spray the cleaning medium toward the outer edges of both sides of the shielding cover 8.

According to an embodiment of the utility model, as shown in fig. 3, a spray head group 41 is arranged below the cleaning station, adapted to spray cleaning liquid to the outer edge of the lower part of the shielding cover 8.

In an exemplary embodiment, as shown in fig. 3, the flushing part 4 comprises a second feed pipe 422. In detail, the second liquid supply pipe 422 is configured to be disposed in parallel with an outer edge of the shielding cover 8 located at a lower portion. Further, the extending direction of the second liquid supply pipe 422 and the extending direction of the outer edge of the shielding cover 8 are configured to be substantially parallel (extending in directions facing and away from the paper surface as shown in fig. 3).

In an exemplary embodiment, as shown in fig. 3, the flushing part 4 further includes a second nozzle set 412 and a third nozzle set 413. In detail, the second nozzle group 412 includes a plurality of nozzles arranged in parallel at intervals, at least a part of which is in communication with the second liquid supply pipe 422, and adapted to spray the cleaning medium toward the outer edge of the bottom of the shielding cover 8. The third nozzle group 413 includes a plurality of nozzles configured in a J-shape structure, at least a portion of which is in communication with the second liquid supply pipe 422, and is adapted to spray the cleaning medium toward the upper surface of the bottom of the shadow mask 8.

In an exemplary embodiment, the first fluid supply pipe 421, the second fluid supply pipe 422, the first nozzle group 411, the second nozzle group 412, and the third nozzle group 413 are all installed in the cleaning chamber by fasteners. In detail, the fasteners include, but are not limited to, hoop structures, truss structures (including at least one of cross bars, vertical bars, and longitudinal bars), bolt structures, and other structures suitable for holding the first fluid feed pipe 421, the second fluid feed pipe 422, the first nozzle group 411, the second nozzle group 412, and the third nozzle group 413 in a position suitable for flushing the shadow mask 8.

In an exemplary embodiment, the cleaning medium output by the nozzles of the nozzle group 41, including but not limited to one of a column flow, a fan flow, and other forms of flow, is preferably configured to cover a larger area of the shield under conditions of pressure to dislodge contaminants.

In such an embodiment, since the step-pedal paint is generally applied to both sides and/or the rear end portion of the upper surface of the step pedal according to the requirement, the first head group, the second head group, and the third head group are disposed so as to face the three portions to spray the cleaning liquid according to the requirement. It should be understood that embodiments of the present disclosure are not limited thereto.

For example, a fourth head set, a fifth head set, and/or other head sets may be provided, or the ejection directions of the first head set, the second head set, and the third head set may be set so that the ejected cleaning medium faces the position of the shield cover that should be rinsed.

According to an embodiment of the present utility model, as shown in fig. 3, the air dryer section 6 is provided in the cleaning chamber and configured to output an air flow upward in the extending direction of the upper surface of the shadow mask 8.

In an exemplary embodiment, as shown in fig. 3, the air dryer section 6 includes a downwind blade 62. In detail, the leeward blade 62 is constructed in a substantially cubic structure. Further, an air inlet channel communicating with an external air source (such as an air pump) is provided inside the down-air knife 62, and a slit-shaped air outlet is provided on one side (left side as shown in fig. 3) of the outer wall of the down-air knife 62, which faces the shielding cover 8.

In an exemplary embodiment, as shown in fig. 3, the air outlet of the leeward blade 62 is configured to be substantially parallel to the extending direction of the outer edge of the lower portion of the shielding cover 8. Further, the outlet of the downwind blade 62 is configured to be the same height as or slightly higher (including but not limited to 0.5 cm, 1 cm, 1.5 cm, and other dimensions) than the height of the outer edge of the lower portion of the shadow mask 8.

In such an embodiment, the downwind blade 62 is adapted to output an air flow upwardly from the lower portion of the shield 8 along the upper surface of the shield to blow the cleaning medium upwardly from the upper surface of the shield 8 to disengage the shield.

According to an embodiment of the present utility model, as shown in fig. 3 and 4, the air-drying section 6 is suspended above the cleaning station and configured to output an air flow downward in the extending direction of the upper surface of the shielding cover 8.

According to an embodiment of the present utility model, as shown in fig. 4, the air-drying section 6 is mounted on the surface of the cover 5 facing the housing 1.

In an exemplary embodiment, as shown in fig. 3 and 4, the air dryer section 6 further includes an air knife 61. In detail, the windsurfing blades 61 are mounted to the cover 5 (the surface facing the paper as shown in fig. 3) by means of fasteners, and the windsurfing blades 61 are constructed in a substantially cubic structure. Further, an air inlet channel communicating with an external air source (such as an air pump) is provided inside the air knife 61, and a slit-shaped air outlet is provided on one side (left side as shown in fig. 3) of the outer wall of the air knife 61, which faces the shielding cover 8.

In an exemplary embodiment, the air outlet of the windup blade 61 is configured to substantially coincide with the upper portion of the shielding cage 8 in the vertical direction. Further, the extending direction of the air flow outputted from the windup blade 61 forms an angle with the extending direction of the upper surface of the shielding cover 8.

In such an embodiment, the updraft blade 61 is adapted to output a flow of air downwardly from the upper portion of the shield 8 along the upper surface of the shield to blow the cleaning medium downwardly from the upper surface of the shield 8 to disengage the shield. The air streams formed by the updraft blades 61 and downdraft blades 62 meet at the upper surface of the shield 8 to blow the cleaning medium off the upper surface of the shield 8.

Those skilled in the art will appreciate that the features recited in the various embodiments of the utility model and/or in the claims may be combined in several combinations or combinations, even if such combinations or combinations are not explicitly recited in the utility model. In particular, the features recited in the various embodiments of the utility model and/or in the claims can be combined in several ways and/or combined without departing from the spirit and teachings of the utility model. All such combinations and/or combinations fall within the scope of the utility model.

The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present utility model, and are not meant to limit the utility model thereto, but to limit the utility model thereto.

Claims (16)

1. A shielding cover is characterized by being configured into a plate-shaped structure and being detachably mounted on the upper surface of a step tread of an escalator, wherein one end of the shielding cover (8) is provided with a bending part (82) bending towards the front surface of the step tread so as to limit the position of the shielding cover (8) relative to the step tread, and the shielding cover (8) covers a part of the area of the upper surface of the step tread.

2. A cleaning apparatus adapted for cleaning the shadow mask of claim 1, comprising:

a housing (1), wherein a cleaning cavity is defined in the housing (1), and a cleaning station for accommodating a shielding cover (8) to be cleaned is arranged in the cleaning cavity;

a flushing part (4) which is arranged in the cleaning cavity and is suitable for flushing the outer edge of the upper surface of the shielding cover (8) so as to drop at least part of pollutants attached to the shielding cover (8); and

an air dryer (6) arranged around the cleaning station and configured to output an air flow to the upper surface and/or outer edge of the shielding cover (8) to air-dry the shielding cover (8).

3. A cleaning apparatus according to claim 2, further comprising at least one support (3) provided in the cleaning chamber, an upper surface of each support (3) defining one of the cleaning stations, the support (3) being adapted to bear against a bend (82) of the shield (8) to hold the shield (8) in a position inclined to the horizontal.

4. A cleaning apparatus according to claim 3, characterized by comprising a plurality of support parts (3), a plurality of said support parts (3) being arranged in parallel in said cleaning chamber.

5. A cleaning apparatus according to claim 3 or 4, further comprising a detection portion (2) configured to detect whether the shielding cover (8) is fitted on the cleaning station.

6. The cleaning apparatus according to claim 5, characterized in that the detection part (2) is configured to be in communication with the flushing part (4) and/or the air drying part (6) for flushing or air drying the shielding cover (8) by the flushing part (4) and the air drying part (6) in the state of the shielding cover (8) in the cleaning station.

7. The cleaning apparatus according to claim 5, characterized in that the detection end of the detection portion (2) is provided on the upper surface of the support portion (3).

8. The cleaning apparatus of claim 2, wherein the flushing portion comprises:

a liquid supply pipe (42) which is arranged in the cleaning cavity and is communicated with a liquid source storing cleaning liquid, and is suitable for supplying the cleaning liquid into the cleaning cavity; and

at least one nozzle group (41), each nozzle group (41) comprises at least one nozzle, and the nozzle is communicated with the liquid supply pipe (42) and is configured to be arranged facing the outer edge of the shielding cover (8), so that the liquid outlet end of the liquid supply pipe (42) sprays the cleaning liquid to the shielding cover (8).

9. A cleaning apparatus according to claim 8, characterized in that the spray head group (41) is arranged below the cleaning station, adapted to spray the cleaning liquid towards the outer edge of the lower part of the shielding cover (8).

10. A cleaning apparatus according to claim 8, characterized in that the nozzle groups (41) are arranged on both sides of the cleaning station, adapted to spray the cleaning liquid towards the outer edges of both sides of the shielding cover (8).

11. The washing apparatus according to claim 2, characterized in that the air-drying section (6) is provided in the washing chamber and is configured to output an air flow in the extending direction of the upper surface of the shielding cover (8).

12. The washing apparatus according to claim 2, characterized in that the air drying section (6) is suspended above the washing station and is configured to output an air flow downwards in the direction of extension of the upper surface of the shielding cover (8).

13. The cleaning apparatus according to claim 2, further comprising a cover (5) openably mounted to the housing (1) to seal the cleaning chamber in a state of being covered with the housing (1).

14. The washing apparatus according to claim 13, characterized in that the air drying section (6) is mounted on the surface of the cover (5) facing the housing (1).

15. A cleaning apparatus according to claim 13 or 14, characterized in that the cover (5) is pivotally mounted to one side of the housing (1).

16. The washing apparatus according to claim 15, further comprising a drive (7) arranged between the cover (5) and the housing (1) adapted to drive the cover (5) to swing between an open position, in which the washing chamber is open, and a closed position, in which the washing chamber is closed.

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