CN218128386U - Surface cleaning apparatus - Google Patents

Surface cleaning apparatus Download PDF

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Publication number
CN218128386U
CN218128386U CN202222351406.7U CN202222351406U CN218128386U CN 218128386 U CN218128386 U CN 218128386U CN 202222351406 U CN202222351406 U CN 202222351406U CN 218128386 U CN218128386 U CN 218128386U
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China
Prior art keywords
liquid
heater
cleaning apparatus
surface cleaning
thick film
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CN202222351406.7U
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Chinese (zh)
Inventor
曹力
谢明健
唐成
段飞
罗吉成
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Beijing Shunzao Technology Co Ltd
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Beijing Shunzao Technology Co Ltd
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Priority to CN202222351406.7U priority Critical patent/CN218128386U/en
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Abstract

The present disclosure provides a surface cleaning apparatus comprising: a base; a first liquid reservoir; a second liquid reservoir; a liquid dispenser; a first fluid passage; a second fluid passageway; a vacuum source; and a heating module located in the first fluid pathway, a first end of the heating module being associated with the first liquid reservoir and a second end of the heating module being associated with the liquid distributor, the heating module being adapted to heat at least a portion of the cleaning liquid to above a first temperature to form heated liquid, the liquid distributor distributing the heated liquid to a surface to be cleaned in front of the vacuum extraction port and/or to the cleaning portion; wherein the heating module comprises an antisludging device and a heater arranged in fluid series relationship in the first fluid pathway, the antisludging device being located downstream of the first liquid reservoir and upstream of the heater.

Description

Surface cleaning apparatus
Technical Field
The present disclosure relates to a surface cleaning apparatus.
Background
Wet surface cleaning apparatuses are suitable for cleaning hard floor surfaces, such as ceramic tiles, hardwood floors, soft carpeted surfaces, and the like.
When the wet type surface cleaning equipment cleans the surface to be cleaned, the cleaning liquid is firstly conveyed to the cleaning module and is applied to the surface to be cleaned through the cleaning module, and when the cleaning module and the surface to be cleaned generate relative motion, the surface to be cleaned is cleaned.
In the process of removing stubborn stains, better cleaning effect can be brought by supplying hot water, or steam or a hot water and steam mixture.
The chinese utility model CN214965146U and chinese patent applications CN20 2210080951.9, CN2022100210305 and CN202220166641.4 all include heating devices for heating liquid, so as to achieve the purpose of hot water washing or steam washing.
However, during heating of water, the water contains slightly water-soluble calcium sulfate (CaSO) 4 ) Calcium bicarbonate (Ca (HCO)) dissolved originally is precipitated by evaporation of water 3 ) 2 ) And magnesium bicarbonate (Mg (HCO) 3 ) 2 ) Decompose in boiling water, giving off carbon dioxide (CO) 2 ) To form calcium carbonate (CaCO) which is difficult to dissolve 3 ) And magnesium hydroxide (Mg (OH) 2 ) Also precipitate to sometimes form MgCO 3 Scale is thus formed. Scale formation is fatal to wet surface cleaning devices and often blocks the water outlet, resulting in uneven water discharge and reduced water output, thereby affecting the cleaning performance of the cleaning device.
Furthermore, because the surface cleaning apparatus is in use, a certain amount of traction is generated due to the rotation of the cleaning members. This traction force can cause the user to involuntarily increase the speed of movement of the surface cleaning apparatus, thereby causing the surface to be cleaned to be unclean.
SUMMERY OF THE UTILITY MODEL
To solve one of the above technical problems, the present disclosure provides a surface cleaning apparatus.
According to an aspect of the present disclosure, there is provided a surface cleaning apparatus comprising:
a base including at least a vacuum suction port and a cleaning portion;
a first liquid reservoir for holding a cleaning liquid to be dispensed;
a second liquid reservoir for holding a recovery liquid;
a liquid distributor connected to the first liquid reservoir for distributing at least cleaning liquid to the cleaning portion;
a first fluid pathway extending at least between the first liquid reservoir and the liquid distributor;
a second fluid pathway extending at least between the second liquid reservoir and the evacuation suction port;
a vacuum source in fluid communication with the second fluid reservoir and the vacuum extraction inlet, the vacuum source configured to generate a working air flow that passes through the vacuum extraction inlet, the second fluid passageway, and the second fluid reservoir to at least recycle liquid from the surface to be cleaned to the second fluid reservoir; and
a heating module located in the first fluid pathway, a first end of the heating module being associated with the first liquid reservoir and a second end of the heating module being associated with the liquid distributor, the heating module being adapted to heat at least a portion of the cleaning liquid to above a first temperature to form heated liquid, the liquid distributor distributing the heated liquid to a surface to be cleaned in front of the vacuum extraction suction opening and/or to the cleaning portion;
wherein the heating module comprises an antisludging device and a heater arranged in fluid series relationship in the first fluid pathway, the antisludging device being located downstream of the first liquid reservoir and upstream of the heater.
According to the surface cleaning apparatus of at least one embodiment of the present disclosure, the scale inhibitor is in a linear form, and/or the heater is in a linear form or a U-shaped form.
According to the surface cleaning device of at least one embodiment of the present disclosure, the scale inhibitor and the heater are both in a linear form, and the scale inhibitor and the heater are arranged so that when the surface cleaning device is in operation, the scale inhibitor and the heater are substantially perpendicular to the direction of movement of the surface cleaning device on the surface to be cleaned.
According to the surface cleaning apparatus of at least one embodiment of the present disclosure, the scale inhibitor and the heater are arranged side by side, and the scale inhibitor is located in front.
According to at least one embodiment OF the present disclosure, the scale inhibitor is an OF scale inhibitor.
According to at least one embodiment of the present disclosure, the surface cleaning apparatus comprises:
a housing having a receiving space formed therein and including a water inlet and a water outlet, the water inlet being communicated with the first liquid storage, the water outlet being communicated with the heater;
the scale inhibitor is arranged in the accommodating space of the shell; and
and the filter screen is arranged near the water outlet of the shell and used for preventing the scale inhibitor from being discharged from the water outlet.
According to at least one embodiment of this disclosure, the surface cleaning apparatus further comprises:
the water outlet cover is arranged at the water outlet of the shell, and a water outlet pipeline is formed inside the water outlet cover; the filter screen is arranged on the water outlet cover and covers one end of the water outlet pipeline.
According to the surface cleaning equipment of at least one embodiment of this disclosure, the base includes the casing, the inside of the casing of base is formed with the accommodation space, still be provided with the pumping subassembly in the accommodation space, the pumping subassembly is used for providing the cleaning liquid in the first liquid storage to the heating module.
According to the surface cleaning device of at least one embodiment of this disclosure, the base further includes a driving assembly, the driving assembly is disposed in the accommodating space, and is used for driving the cleaning part to rotate.
According to at least one embodiment of the present disclosure, the heating module is located substantially between the pumping assembly and the drive assembly.
According to at least one embodiment of the present disclosure, the heating module is located substantially above with respect to the pumping assembly and/or the drive assembly.
A surface cleaning apparatus according to at least one embodiment of the present disclosure, further comprising:
the bracket part is detachably arranged on the shell of the base and is positioned in an accommodating space formed in the shell of the base.
According to the surface cleaning apparatus of at least one embodiment of the present disclosure, the holder part includes a first accommodation section and a second accommodation section, one of the first accommodation section and the second accommodation section is used for accommodating the heater, and the other of the first accommodation section and the second accommodation section is used for accommodating the scale inhibitor, wherein the first accommodation section and the second accommodation section are arranged side by side.
According to at least one embodiment of the present disclosure, the heater is a thick film heater.
According to the surface cleaning apparatus of at least one embodiment of the present disclosure, the thick film heater is formed in a substantially straight line shape, the thick film heater is arranged laterally on the base, and is configured to: the first end of the thick film heater is located at a lower level than the second end.
According to the surface cleaning apparatus of at least one embodiment of the present disclosure, the thick film heater further includes a thick film heating body, and the heating cavity of the thick film heater is formed within the thick film heating body.
According to the surface cleaning apparatus of at least one embodiment of the present disclosure, the thick film heater includes a thick film heater housing and a thick film heater body disposed within the thick film heater housing, the heating cavity of the thick film heater being formed between the thick film heater body and the thick film heater housing.
According to a surface cleaning apparatus of at least one embodiment of the present disclosure, a flow rate detector is provided on the first fluid path, the flow rate detector being provided between the first liquid reservoir and the heater to detect a flow rate of the cleaning liquid supplied to the heater.
A surface cleaning apparatus according to at least one embodiment of the present disclosure further includes a controller that provides a control signal to the heater to turn off the heater or reduce heating power of the heater based on at least a detection signal generated by the flow detector.
According to at least one embodiment of this disclosure, the base further comprises:
a load wheel drivable such that the load wheel rotates in a direction opposite to that of the cleaning portion.
According to at least one embodiment of the present disclosure, the base further comprises a moving wheel and a guide wheel; the moving and guide wheels are in rolling contact with the surface to be cleaned as the surface cleaning apparatus is moved over the surface to be cleaned; wherein the load wheel is located at a position between the moving wheel and the guide wheel.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural view of a surface cleaning apparatus according to one embodiment of the present disclosure.
Fig. 2 is a schematic view of another angle view of a surface cleaning apparatus according to one embodiment of the present disclosure.
Fig. 3 is a schematic structural diagram of a base according to an embodiment of the present disclosure.
FIG. 4 is a schematic view of another angled configuration of a base according to one embodiment of the present disclosure.
Fig. 5 is a schematic structural view of a scale inhibitor and a heater according to one embodiment of the present disclosure.
Fig. 6 is a schematic structural view of a scale inhibitor according to one embodiment of the present disclosure.
Fig. 7 and 8 are schematic structural views of a bracket part according to an embodiment of the present disclosure.
The reference numbers in the figures are in particular:
100 handle part
200 main body part
220 frame body
300 first liquid reservoir
400 second liquid storage
500 connecting part
600 base
610 cleaning part
620 casing
630 pumping assembly
640 drive assembly
650 support part
651 first accommodation space
652 second accommodation space
660 vacuum pumping mouth
670 moving wheel
680 guide wheel
700 antisludging equipment
710 outer casing
720 scale inhibitor
730 filter screen
740 water outlet cover
800 heater.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant matter and not restrictive of the disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. Technical solutions of the present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Unless otherwise indicated, the illustrated exemplary embodiments/examples are to be understood as providing exemplary features of various details of some ways in which the technical concepts of the present disclosure may be practiced. Thus, unless otherwise indicated, the features of the various embodiments/examples may be additionally combined, separated, interchanged, and/or rearranged without departing from the technical concept of the present disclosure.
The use of cross-hatching and/or shading in the drawings is generally used to clarify the boundaries between adjacent components. As such, unless otherwise specified, the presence or absence of cross-hatching or shading does not convey or indicate any preference or requirement for a particular material, material property, size, proportion, commonality among the illustrated components and/or any other characteristic, attribute, property, etc., of a component. Further, in the drawings, the size and relative sizes of components may be exaggerated for clarity and/or descriptive purposes. While example embodiments may be practiced differently, the specific process sequence may be performed in a different order than that described. For example, two consecutively described processes may be performed substantially simultaneously or in an order reverse to the order described. In addition, like reference numerals denote like parts.
When an element is referred to as being "on" or "on," "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element, there are no intervening elements present. For purposes of this disclosure, the term "connected" may refer to physically, electrically, etc., and may or may not have intermediate components.
For descriptive purposes, the present disclosure may use spatially relative terms such as "under 8230; \8230;,"' under 8230; \8230; below 8230; under 8230; above, on, above 8230; higher "and" side (e.g., as in "side wall)", etc., to describe the relationship of one component to another (other) component as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "at 8230 \8230;" below "may encompass both an orientation of" above "and" below ". Further, the devices may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when the terms "comprises" and/or "comprising" and variations thereof are used in this specification, the presence of stated features, integers, steps, operations, elements, components and/or groups thereof are stated but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groups thereof. It is also noted that, as used herein, the terms "substantially," "about," and other similar terms are used as approximate terms and not as degree terms, and as such, are used to interpret inherent deviations in measured values, calculated values, and/or provided values that would be recognized by one of ordinary skill in the art.
FIG. 1 is a schematic structural view of a surface cleaning apparatus according to one embodiment of the present disclosure. Figure 2 is a schematic view of another angular view of a surface cleaning apparatus according to one embodiment of the present disclosure.
As shown in fig. 1 and 2, the surface cleaning apparatus may include a handle portion 100, a body portion 200, a first liquid reservoir 300, a second liquid reservoir 400, a connecting portion 500, and a base 600.
The handle portion 100 is provided to the body portion 200, and a user can operate the surface cleaning apparatus by operating the handle portion 100, and enables the body portion 200 to be in an upright state (non-operating mode) and a tilted state (operating mode).
The base 600 is capable of being moved over a surface to be cleaned while the surface cleaning apparatus is in operation, thereby enabling cleaning of the surface to be cleaned by the base 600.
In one embodiment, the base 600 may be formed as a track type cleaning device; accordingly, the cleaning portion 610 of the base 600 is a tracked cleaning member; it will be appreciated by those skilled in the art that the base 600 may be formed as a roller-brush type cleaning device, etc., in which case the cleaning part 610 of the base 600 is a roller-brush type cleaning member, etc. In the present disclosure, a description will be given taking a crawler type cleaning device as an example.
Fig. 3 is a schematic structural view of a base according to an embodiment of the present disclosure. FIG. 4 is a schematic view of another angled configuration of a base according to one embodiment of the present disclosure.
As shown in fig. 3 and 4, the base 600 includes a housing 620, an accommodating space is formed inside the housing 620, and the cleaning portion 610 is rotatably disposed in the housing 620 and located in the accommodating space.
The base 600 may further include a vacuum suction port 660, which, as will be appreciated by those skilled in the art, is located behind the cleaning portion 610 to collect a mixture of solids and liquids from the cleaning portion 610 after cleaning a surface to be cleaned, which is further sucked and transferred into the second liquid reservoir 400.
The main body 200 forms the main body of the surface cleaning apparatus; in one embodiment, the body portion 200 is pivotably connected to the base 600 by a connection 500; the main body 200 can also accommodate components such as the first liquid storage 300 and the second liquid storage 400.
In one embodiment, the connection portion 500 may include a universal joint to enable the main body portion 200 to rotate in both directions with respect to the base 600.
In another embodiment, the connection part 500 may include a polyaxial joint that may couple the body part 200 with the base 600 so as to allow the body part 200 to rotate in the first and second directions with respect to the base 600.
The main body portion 200 can be pivoted to an upright position (also referred to as a storage position) by the connecting portion 500, in which an angle between the main body portion 200 and a surface (or a floor surface on which the base 600 is placed) is 80 ° to 90 °, preferably about 80 °. In this position, the surface cleaning apparatus is in a self-supporting attitude (also referred to as an upright attitude), that is the main body portion 200 or the like can be supported by the base 600, and the upright attitude can be achieved without the aid of other objects.
In the present disclosure, when the surface cleaning apparatus is in an inclined use position (for example, in a case where an angle with a surface to be cleaned is greater than or equal to 30 °), a rotation angle in the Y direction may be defined, thereby preventing the rotation angle in the Y direction from being excessively large.
The main body portion 200 may include a frame body 220 for supporting the first and second liquid reservoirs 300 and 400, and may also be used for supporting other components. The first and second liquid reservoirs 300 and 400 may be disposed on the frame body 220 so as to be located at both sides of the main body portion 200. In the present disclosure, the first liquid reservoir 300 and the second liquid reservoir 400 are optionally located on both front and rear sides (with respect to the travel direction of the surface cleaning apparatus, the cleaning path) of the main body portion 200. The thickness of the first liquid reservoir 300 may be equal to or less than the thickness of the second liquid reservoir 400, and the heights of both may be the same or substantially the same. It should be noted that, although the first liquid tank 300 and the second liquid tank 400 are mainly described as examples in the present disclosure as being located on the left and right sides of the main body portion 200, it is also preferable in the present disclosure that the first liquid tank 300 and the second liquid tank 400 are provided on the left and right sides (the front and rear sides along the cleaning direction) of the main body portion 200, and in the case of providing on the left and right sides, the respective arrangement relationships of the respective components described herein are also the same or similar.
When the first liquid tank 300 and the second liquid tank 400 are located on both front and rear sides of the main body 200, the main body 200 includes a front side and a rear side opposite to the front side, the second liquid tank 400 forms a part of the rear side of the main body 200, and preferably, the second liquid tank 400 forms a part of the surface of the rear side of the main body 200.
On the other hand, when the first liquid tank 300 is mounted to the main body 200, the first liquid tank 300 forms a part of the front side of the main body 200; preferably, the first liquid reservoir 300 forms a part of the surface of the front side of the main body portion 200.
Accordingly, the main body 200 includes a first recess to accommodate the first liquid reservoir 300, and a second recess to accommodate the second liquid reservoir 400; wherein, the first liquid storage 300 is arranged in the first groove, and the second liquid storage 400 is arranged in the second groove; preferably, at least portions of the first recess and the second recess communicate, whereby the first liquid reservoir 300 and the second liquid reservoir 400 can be connected to each other or hugged when the first liquid reservoir 300 is mounted in the first recess and the second liquid reservoir 400 is mounted in the second recess.
In the present disclosure, the first and second liquid storages 300 and 400 may be detachably mounted to the side of the frame body 220, the mounted sides may be opposite sides of the frame body 220, and the thickness of the first and second liquid storages 300 and 400 is set to be less than the width, which may secure a sufficient capacity and may make the height of the main body portion 200 less than a predetermined height, for example, 120mm, after lying flat.
The first liquid tank 300 is shaped in a flat shape and includes a cavity constituted by a plurality of wall surfaces so as to contain a cleaning liquid, and the capacity of the first liquid tank 300 may be set to 5 00mL or the like. The first liquid container 300 may include a handle by which a user can install or remove the first liquid container 300.
The first liquid storage 300 is used to store cleaning liquid to be dispensed, and is provided to the base 600 through a pipe. In this context, the cleaning liquid may be one or more of any suitable liquid, including but not limited to cleaning water, concentrated detergent, dilute detergent, mixtures thereof, or the like. In addition, the cleaning liquid can be normal-temperature cleaning liquid or high-temperature cleaning liquid.
The first liquid reservoir 300 further includes a liquid inlet and a liquid outlet, and other channels for feeding or providing cleaning liquid, and more preferably, the liquid inlet and the liquid outlet can be implemented by the same channel, and the structures of the liquid inlet and the liquid outlet are not described in detail herein.
The second liquid storage 400 is used for storing recovered liquid; in one embodiment, a solid-liquid separator may be disposed in the second liquid storage 400 to perform solid-liquid separation of a mixture of solids and liquids recovered by the surface cleaning apparatus after cleaning the surface to be cleaned in the solid-liquid separator, so that the separated solids are held in the solid-liquid separator and the separated liquids are stored in the interior of the second liquid storage 400.
In one embodiment, to effect the recovery of the solid-liquid and liquid mixture, the surface cleaning apparatus further comprises a vacuum source (not shown); the vacuum source is capable of generating a working gas stream (which may also be referred to as a negative pressure or vacuum); the working air flow passes through the vacuum suction port 660, the second fluid path and the second fluid reservoir 400, and at least the liquid after cleaning the surface to be cleaned is recovered to the second fluid reservoir 400.
That is, the working gas flow can be applied to the second liquid reservoir 400, at which point the second liquid reservoir 400 is connected to the evacuation suction 660 via a second fluid path (which may also be referred to as a recovery conduit), i.e. the second fluid path extends at least between the second liquid reservoir 400 and the evacuation suction 660; thereby allowing the mixture of solids and liquid collected by the vacuum pumping port 660 to be delivered to the interior of the second liquid reservoir 400 through the second fluid pathway.
The surface cleaning apparatus further comprises a liquid distributor connected to the first liquid reservoir 300 for distributing at least cleaning liquid to the cleaning section 610; in one embodiment, the liquid distributor may be disposed above the side of the cleaning portion 610, such as above and behind the cleaning portion 610, so as to distribute cleaning liquid to the cleaning portion 6.
The first fluid pathway extends at least between the first liquid reservoir 300 and the liquid dispenser; wherein the first fluid passage may be formed in the form of a conduit; the first fluid passage may be provided with a heating module to raise the temperature of the liquid in the first fluid passage through the heating module, so that the high-temperature liquid can be provided to the cleaning part 610, thereby realizing hot water cleaning of the surface to be cleaned; on the other hand, the high temperature liquid may be provided to the steam generator to facilitate the steam generator being able to generate steam more quickly.
Fig. 5 is a schematic structural view of a scale inhibitor and a heater according to one embodiment of the present disclosure.
In one embodiment, the heating modules may be disposed at both the main body portion 200 or at both the bases 600; or partially disposed on the main body 200 and partially disposed on the base 600, for example, the scale inhibitor 700 of the heating module is disposed on the main body, and the heater 800 of the heating module is disposed on the base 600.
In the present disclosure, a first end of the heating module is associated with the first liquid reservoir 300, and a second end of the heating module is associated with the liquid distributor, the heating module being adapted to heat at least a portion of the cleaning liquid above a first temperature to form a heated liquid, and the liquid distributor distributing the heated liquid to the surface to be cleaned in front of the vacuum extraction port 660 and/or to the cleaning portion 610.
In one embodiment, as shown in fig. 5, the heating module comprises an antiscalant device 700 and a heater 800 arranged in fluid series relationship, the antiscalant device 700 being located downstream of the first liquid reservoir 300 and upstream of the heater 800. And, when the scale inhibitor 700 and the heater 800 are both disposed on the base 600, the scale inhibitor 700 and the heater 800 are disposed in the receiving space of the housing 620.
In the present disclosure, the scale inhibitor 700 is in a linear shape, and/or the heater 800 is in a linear shape or a U-shape. And preferably, the antisludging device 700 and the heater 800 are both in a straight line shape, the arrangement of the antisludging device 700 and the heater 800 is such that when the surface cleaning device is in operation, the antisludging device 700 and the heater 800 are substantially perpendicular to the movement direction of the surface cleaning device on the surface to be cleaned, at this time, the antisludging device 700 is horizontally arranged or substantially horizontally arranged, and the heater 800 can be horizontally arranged or obliquely arranged, thereby ensuring that the accommodating space formed by the housing 620 can be maximally utilized, or in this way, the volume of the antisludging device 700 and the volume of the heater 800 can be as large as possible.
In a preferred embodiment, as shown in fig. 5, the scale inhibitor 700 and the heater 800 are arranged side by side, and the scale inhibitor 700 is located in front.
Fig. 6 is a schematic structural view of a scale inhibitor according to one embodiment of the present disclosure.
In the present disclosure, as shown in fig. 6, the scale inhibitor 700 is a FOF scale inhibitor. In a specific implementation form, the scale inhibitor 700 comprises: a shell 710, a scale inhibitor 720, a filter screen 730 and the like.
The housing 710 is formed with a receiving space inside, and includes a water inlet communicating with the first liquid storage 300 and a water outlet communicating with the heater 8 00; in a preferred embodiment, the water inlet may be formed by a tubular structure, thereby enabling convenient connection of the scale inhibitor 700 to the first liquid reservoir 300.
The scale inhibitor 720 is arranged in the accommodating space of the shell 710; when the cleaning liquid flows through the scale inhibitor 720, the insoluble inorganic salt in the water can be dispersed, and the precipitation and scaling of the insoluble inorganic salt on the metal surface can be prevented or interfered.
The filter screen 730 is disposed near the water outlet of the housing 710, and is used to prevent the scale inhibitor 720 from being discharged from the water outlet.
In a more preferable scheme, the scale inhibitor 700 may further include an outlet cover 740, the outlet cover 740 is disposed at the outlet of the housing 710, and an outlet pipe is formed inside the outlet cover 740; the filter screen 730 is disposed on the water outlet cover 740, and covers one end of the water outlet pipeline.
In the present disclosure, a pumping assembly 630 is further disposed in the accommodating space, and the pumping assembly 6 is configured to pressurize the cleaning liquid in the first liquid storage 300 and provide the pressurized cleaning liquid to the heating module; of course, those skilled in the art will appreciate that the pumping assembly 630 can also pump the heated liquid from the heating module and pressurize the heated liquid to be provided to a liquid distributor or the like.
The base 600 further includes a driving assembly 640, and the driving assembly 640 is disposed in the accommodating space and is used for driving the cleaning portion 610 to rotate.
Positionally, the heating module is located substantially between the pumping assembly 630 and the drive assembly 640; more preferably, the heating module is substantially located in an upper portion with respect to the pumping assembly 630 and/or the driving assembly 640.
The surface cleaning apparatus further comprises: the bracket part 650 is detachably disposed on the housing 620, and the bracket part 650 is located in the accommodating space.
Fig. 7 and 8 are schematic structural views of a bracket part according to an embodiment of the present disclosure.
In a specific embodiment, as shown in fig. 7 and 8, the bracket part 650 includes a first receiving section 651 and a second receiving section 652, one of the first receiving section 651 and the second receiving section 652 is used for receiving the heater 800, and the other of the first receiving section 651 and the second receiving section 652 is used for receiving the scale inhibitor 700, wherein the first receiving section 651 and the second receiving section 652 are arranged side by side, so that the heater 800 and the scale inhibitor 700 can be arranged side by side, and the heater 800 and the scale inhibitor 700 can be integrally mounted and dismounted through the arrangement of the bracket part 650, thereby facilitating the maintenance of the surface cleaning equipment by a user.
Preferably, the heater 800 is a thick film heater; the thick film heater is formed in a substantially straight line shape, is arranged laterally on the base 600, and is configured to: the first end of the thick film heater is located at a lower level than the second end.
That is, in the present disclosure, the thick film heater is obliquely disposed, for example, the thick film heater is disposed to feed water from the first end and discharge water from the second end, thereby enabling the thick film heater to have high water heating efficiency.
As an implementation form, the thick film heater further comprises a thick film heating body, and the heating cavity of the thick film heater is formed in the thick film heating body, that is, the thick film heater is formed into a cartridge heater.
In another embodiment, the thick film heater comprises a thick film heater housing and a thick film heater body disposed within the thick film heater housing, the heating cavity of the thick film heater being formed between the thick film heater body and the thick film heater housing, whereby heated cleaning liquid can have a larger contact area with the thick film heater body and can be heated more quickly.
A flow rate detector is provided on the first fluid path, the flow rate detector being disposed between the first liquid storage 300 and the heater 800 to detect a flow rate of the cleaning liquid supplied to the heater 80 0.
At this time, the surface cleaning apparatus further includes a controller that provides a control signal to the heater 800 to maintain, increase or decrease the heating power of the heater 800, or to turn off the heater based on at least the detection signal generated by the flow detector. For example, when the flow rate of the cleaning liquid supplied to the heater 800 detected by the flow rate detector is large, the controller can also control the heater 800 to increase the heating power; accordingly, when the flow rate of the cleaning liquid supplied to the heater 800 detected by the flow rate detector is small or the temperature of the cleaning liquid is high and heating is not required, the controller can control the heater 800 to reduce the heating power or turn off.
As another point of the present disclosure, the base 600 of the present disclosure further includes: a load wheel (not shown) which can be driven so that it rotates in the opposite direction to the cleaning portion 610, whereby the direction of the frictional force generated by the load wheel is opposite to the direction of the frictional force generated by the cleaning portion 610 when the surface cleaning apparatus is in operation; alternatively, the friction force generated by the load wheel has at least one component force opposite to the direction of the friction force generated by the cleaning part 610.
The base 600 further includes a moving wheel 670 and a guide wheel 680; the moving wheel 670 and guide wheel 680 are in rolling contact with the surface to be cleaned as the surface cleaning apparatus is moved across the surface to be cleaned; wherein the load wheel is positioned between the moving wheel 670 and the guide wheel 680.
In the description of the present specification, reference to the description of "one embodiment/mode", "some embodiments/modes", "example", "specific example", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may be made to those skilled in the art, based on the above disclosure, and still be within the scope of the present disclosure.

Claims (21)

1. A surface cleaning apparatus, comprising:
a base including at least a vacuum suction port and a cleaning portion;
a first liquid reservoir for holding a cleaning liquid to be dispensed;
a second liquid reservoir for holding a recovery liquid;
a liquid distributor connected to the first liquid reservoir for distributing at least cleaning liquid to the cleaning portion;
a first fluid pathway extending at least between the first liquid reservoir and the liquid distributor;
a second fluid pathway extending at least between the second liquid reservoir and the vacuum extraction port;
a vacuum source in fluid communication with the second fluid reservoir and the vacuum extraction inlet, the vacuum source configured to generate a working air flow that passes through the vacuum extraction inlet, the second fluid passageway, and the second fluid reservoir to at least recycle liquid from the surface to be cleaned to the second fluid reservoir; and
a heating module located in the first fluid pathway, a first end of the heating module being associated with the first liquid reservoir and a second end of the heating module being associated with the liquid distributor, the heating module being adapted to heat at least a portion of the cleaning liquid to above a first temperature to form heated liquid, the liquid distributor distributing the heated liquid to a surface to be cleaned in front of the vacuum extraction suction and/or to the cleaning portion;
wherein the heating module comprises a scale inhibitor and a heater arranged in fluid series relationship in the first fluid passageway, the scale inhibitor being located downstream of the first liquid reservoir and upstream of the heater.
2. A surface cleaning apparatus as claimed in claim 1, characterised in that the scale inhibitor is in the form of a straight line and/or the heater is in the form of a straight line or U-shape.
3. A surface cleaning apparatus as claimed in claim 1, characterised in that the scale inhibitor and heater are each in the form of a straight line, the arrangement of the scale inhibitor and heater being such that, in operation of the surface cleaning apparatus, they are substantially perpendicular to the direction of movement of the surface cleaning apparatus over the surface to be cleaned.
4. A surface cleaning apparatus as claimed in claim 1, characterised in that the scale inhibitor and heater are arranged side by side with the scale inhibitor in front.
5. The surface cleaning apparatus of claim 1, wherein the scale inhibitor is a FOF scale inhibitor.
6. A surface cleaning apparatus as claimed in claim 1, characterised in that the scale inhibitor comprises:
a housing having a receiving space formed therein and including a water inlet and a water outlet, the water inlet being communicated with the first liquid storage, the water outlet being communicated with the heater;
a scale inhibitor disposed in the housing space of the housing; and
and the filter screen is arranged near the water outlet of the shell and used for preventing the scale inhibitor from being discharged from the water outlet.
7. The surface cleaning apparatus of claim 6, wherein the scale inhibitor further comprises:
the water outlet cover is arranged at the water outlet of the shell, and a water outlet pipeline is formed inside the water outlet cover; the filter screen is arranged on the water outlet cover and covers one end of the water outlet pipeline.
8. A surface cleaning apparatus as claimed in claim 1, characterised in that the base comprises a housing, the housing of the base having an accommodating space formed therein, the accommodating space further having a pumping assembly disposed therein for supplying cleaning liquid in the first liquid reservoir to the heating module.
9. A surface cleaning apparatus as claimed in claim 8, characterised in that the base further comprises a drive assembly disposed in the receiving space for driving the cleaning section to rotate.
10. A surface cleaning apparatus as claimed in claim 9, characterised in that the heating module is located substantially between the pumping assembly and the drive assembly.
11. A surface cleaning apparatus as claimed in claim 9, characterised in that the heating module is located substantially above with respect to the pumping assembly and/or the drive assembly.
12. A surface cleaning apparatus as claimed in claim 1, further comprising:
the bracket part is detachably arranged on the shell of the base and is positioned in an accommodating space formed in the shell of the base.
13. A surface cleaning apparatus as claimed in claim 12, characterised in that the stand portion comprises a first and second receiving section, one of which is for receiving a heater and the other of which is for receiving a scale inhibitor, wherein the first and second receiving sections are arranged side by side.
14. A surface cleaning apparatus as claimed in claim 1, characterised in that the heater is a thick film heater.
15. The surface cleaning apparatus of claim 14, wherein the thick film heater is formed in a substantially linear configuration, the thick film heater being disposed laterally on the base and configured to: the first end of the thick film heater is located at a lower level than the second end.
16. A surface cleaning apparatus as claimed in claim 14, characterised in that the thick film heater further comprises a thick film heating body, the heating cavity of the thick film heater being formed within the thick film heating body.
17. The surface cleaning apparatus of claim 14 wherein the thick film heater comprises a thick film heater housing and a thick film heater disposed within the thick film heater housing, the heating cavity of the thick film heater being formed between the thick film heater and the thick film heater housing.
18. A surface cleaning apparatus as claimed in claim 1, characterised in that a flow detector is provided in the first fluid path, the flow detector being provided between the first liquid reservoir and the heater to detect the flow of cleaning liquid provided to the heater.
19. A surface cleaning apparatus as recited in claim 18, further comprising a controller that provides a control signal to the heater to turn off the heater or reduce heating power of the heater based at least on the detection signal generated by the flow detector.
20. A surface cleaning apparatus as recited in claim 1, wherein the base further comprises:
a load wheel drivable such that the load wheel rotates in a direction opposite to that of the cleaning portion.
21. A surface cleaning apparatus as claimed in claim 20, characterised in that the base further comprises moving and guide wheels; the moving and guide wheels are in rolling contact with the surface to be cleaned as the surface cleaning apparatus is moved over the surface to be cleaned; wherein the load wheel is located at a position between the moving wheel and the guide wheel.
CN202222351406.7U 2022-09-05 2022-09-05 Surface cleaning apparatus Active CN218128386U (en)

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Application Number Priority Date Filing Date Title
CN202222351406.7U CN218128386U (en) 2022-09-05 2022-09-05 Surface cleaning apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222351406.7U CN218128386U (en) 2022-09-05 2022-09-05 Surface cleaning apparatus

Publications (1)

Publication Number Publication Date
CN218128386U true CN218128386U (en) 2022-12-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115251781A (en) * 2022-09-05 2022-11-01 北京顺造科技有限公司 Surface cleaning apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115251781A (en) * 2022-09-05 2022-11-01 北京顺造科技有限公司 Surface cleaning apparatus

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