CN115104968B

CN115104968B - Surface cleaning device

Info

Publication number: CN115104968B
Application number: CN202110288929.9A
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Suzhou Ruijiu Intelligent Technology Co ltd
Current assignee: Suzhou Ruijiu Intelligent Technology Co ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2023-07-14
Anticipated expiration: 2041-03-18
Also published as: CN115104968A

Abstract

The invention discloses a surface cleaning device, which comprises: a floor cleaning base adapted to be moved over a floor, a vertical handle portion movably mounted to the floor cleaning base between a storage position and a use position, a fluid delivery system having a fluid delivery path, a fluid recovery system having a suction path, and an attached cleaning tool. The attachment cleaning tool carries at least one cleaning head, is selectively connectable to the floor cleaning base and/or the upright handle portion, and is capable of being in fluid communication with the fluid delivery path and the suction path, respectively, when in the connected position. Through detachable attached cleaning tool who installs the water spray on surface cleaning device, be convenient for clear up dust and the obstinate spot in narrow and small position, clean the place that the scrubbing brush can't touch, improve cleaning efficiency.

Description

Surface cleaning device

Technical Field

The invention belongs to the technical field of surface cleaning equipment, and particularly relates to a surface cleaning device.

Background

With the importance of people on living environment sanitation, the market of surface cleaning equipment is widened continuously, however, due to the position problem of the surface to be cleaned, small gaps in many places and dust hiding corners are difficult to clean by suction force and original suction pipes, so that the experience of consumers is deteriorated. In view of the above problems, many surface cleaning apparatuses are additionally provided with brushes, and dust in gaps and hidden corners is lifted up by bristles on the brushes and then sucked, however, the brush connection structure in the prior art is complex, and long-term dust cannot be cleaned only by the bristles and suction force.

Disclosure of Invention

In order to solve the above-mentioned technical problems, an object of the present invention is to provide a surface cleaning apparatus with a water spray attachment brush.

In order to achieve the above purpose, the present invention adopts the following technical scheme: a surface cleaning apparatus, the apparatus comprising: a floor cleaning base adapted to be moved over a floor, a vertical handle portion movably mounted to the floor cleaning base between a storage position and a use position, a fluid delivery system, a fluid recovery system, and an attached cleaning tool. The fluid delivery system includes: the liquid supply box is arranged on the vertical handle part and used for storing cleaning liquid, the infusion nozzle is arranged on the ground cleaning seat, and the fluid conveying path is used for communicating the infusion nozzle with the liquid supply box so as to realize conveying of the cleaning liquid from the liquid supply box to the infusion nozzle; a fluid recovery system for removing the transported cleaning liquid and debris from the environment and storing the recovered cleaning liquid and debris, the fluid recovery system comprising a suction source, a suction nozzle disposed on the floor cleaning base, a suction path in fluid communication with the suction nozzle and the suction source, and a recovery tank disposed on the vertical handle portion and in fluid communication with the suction source; an attached cleaning tool carries at least one cleaning head, said attached cleaning tool being selectively connectable to said floor cleaning base and/or said vertical handle portion and being capable of fluid communication with said fluid delivery path and said suction path, respectively, when in the connected position.

In the above technical solution, it is further preferable that the suction path includes a first pipe connected to the recovery tank and a second pipe connected to the suction nozzle; in the connection position, the at least one cleaning head is in communication with the first conduit, and a flow path between the second conduit and the first conduit is interrupted.

In the above technical solution, it is further preferable that the fluid delivery path includes a water pump, a first pipe connecting an inlet of the water pump and the liquid supply tank, and a second pipe connecting an outlet of the water pump and the liquid delivery nozzle, and the attached cleaning tool is connected to the second pipe at the connection position.

In the above technical solution, it is further preferable that the fluid delivery path includes a water pump, a first pipe connecting an inlet of the water pump with the fluid supply tank, and a multi-port valve assembly, the multi-port valve assembly includes an inlet end, a first outlet end, a second outlet end, a first passage connecting the inlet end with the first outlet end, a second passage connecting the inlet end with the second outlet end, and a valve element movable between the first passage and the second passage, the inlet end is connected with an outlet of the water pump, and the first outlet end is connected with the infusion nozzle; the attached cleaning tool is communicated with the second outlet end when in a connecting position, the valve core moves into the first passage, the first passage is blocked, and the second passage is communicated; after the attached cleaning tool is removed from the floor cleaning seat and/or the vertical handle portion, the valve element is reset and moved into the second passage, the second passage is cut off, and the first passage is communicated.

In the above aspect, it is further preferable that the fluid conveyance path includes a first water pump configured to supply the cleaning liquid in the liquid supply tank to the infusion nozzle, and a second water pump configured to supply the cleaning liquid in the liquid supply tank to the cleaning head of the attached cleaning tool when the attached cleaning tool is in the connection position.

In the above technical solution, it is further preferable that the first water pump and the second water pump are both disposed on the floor cleaning seat and/or the vertical handle portion.

In the above technical solution, it is further preferable that the attached cleaning tool further includes a flexible extension tube with one end connected to the cleaning head and a connector connected to the other end of the flexible extension tube, a dirty liquid interface and a cleaning liquid interface are arranged on the connector, a socket for adapting to the connector is arranged on the floor cleaning seat and/or the vertical handle, and a dirty liquid inlet and a cleaning liquid outlet are arranged at the socket; when the attached cleaning tool is at the connecting position, the dirty liquid inlet is communicated with the dirty liquid interface, and the cleaning liquid output interface is communicated with the cleaning liquid interface. Preferably, the connector further comprises a cover arranged at the socket.

In the above aspect, it is further preferable that the apparatus further includes a control section having a main switch, the control section being configured to have a first control mode for adapting the floor cleaning base to perform a cleaning operation and a second control mode for adapting the attached cleaning tool to perform a cleaning operation.

In the foregoing aspect, it is further preferable that the attachment cleaning tool has a feeler lever thereon, the floor cleaning base and/or the vertical handle portion has a micro switch coupled to a control portion of the surface cleaning apparatus, and the micro switch is configured to: the main switch is turned on after the micro switch is turned on, the control part operates according to the second control mode, and the main switch is turned on after the micro switch is turned off, and the control part operates according to the first control mode; the contact lever contacts and opens the micro-switch when the attached cleaning tool is in the connected position.

In the above technical solution, it is further preferable that the cleaning head includes a brush member and a flat suction nozzle.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, the attached cleaning tool which is detachably arranged on the surface cleaning device and can spray water is convenient for cleaning dust and stubborn dirt in a narrow position, so that the place which cannot be touched by the floor brush can be cleaned, and the cleaning efficiency is improved.

Drawings

FIG. 1 is a schematic perspective view of a first embodiment of the present invention with an attached cleaning tool not in a connected position;

FIG. 2 is a schematic perspective view of an attached cleaning tool of a first embodiment of the present invention in a connected position;

FIG. 3 is a schematic view of the internal structure of the attachment cleaning tool of the first embodiment of the present invention not in the connected position;

FIG. 4 is a schematic view of the internal structure of the attached cleaning tool of the first embodiment of the present invention in a connected position;

FIG. 5 is a front view of the attachment cleaning tool of the first embodiment of the invention in a disconnected position;

FIG. 6 is a schematic perspective view of a first embodiment of the invention with a cleaning tool attached;

FIG. 7 is a schematic block diagram of a fluid recovery system of a first embodiment of the present invention;

FIG. 8 is a schematic block diagram of a fluid delivery system according to a first embodiment of the present invention;

FIG. 9 is a schematic perspective view of a second embodiment of the invention with the attached cleaning tool not in the connected position;

FIG. 10 is a schematic perspective view of a second embodiment of the present invention with an attached cleaning tool in a connected position;

FIG. 11 is a schematic view of the internal structure of the attachment cleaning tool of the second embodiment of the invention not in the connected position;

FIG. 12 is a schematic view of the internal structure of the attached cleaning tool of the second embodiment of the present invention in a connected position;

FIG. 13 is a schematic perspective view of a second embodiment of the invention with a cleaning tool attached;

FIG. 14 is a schematic block diagram of a fluid delivery system according to a second embodiment of the present invention;

FIG. 15 is a schematic block diagram of a fluid recovery system according to a second embodiment of the present invention;

FIG. 16 is a schematic perspective view of another alternative attachment cleaning tool of a second embodiment of the present invention in a connected position;

FIG. 17 is a schematic view of the internal structure of an alternative attached cleaning tool of a second embodiment of the present invention in a connected position;

FIG. 18 is a schematic perspective view of an attached cleaning tool of a third embodiment of the present invention in a connected position;

FIG. 19 is a schematic perspective view of a third embodiment of the invention with a cleaning tool attached;

FIG. 20 is a left side view of a third embodiment of the present invention with an attached cleaning tool not in a connected position;

FIG. 21 is a schematic view of the internal structure of an accessory cleaning tool of a third embodiment of the present invention not in the attached position;

FIG. 22 is a schematic view of the internal structure of an accessory cleaning tool in a connected position according to a third embodiment of the present invention;

FIG. 23 is a second schematic view of the internal structure of the accessory cleaning tool of the third embodiment of the present invention, not in the attached position;

FIG. 24 is a second schematic view of the internal structure of the attachment cleaning tool in the attached position according to the third embodiment of the present invention;

FIG. 25 is a schematic block diagram of a fluid delivery system according to a third embodiment of the present invention;

FIG. 26 is a schematic block diagram of a fluid recovery system according to a third embodiment of the present invention;

wherein: 1. a floor cleaning seat; 10. a main switch; 2. a vertical handle portion; 21. a socket; 211. a dirty liquid inlet; 212. a cleaning liquid output interface; 213. a micro-switch; 22. a cover; 221. a boss; 23. a first pipe; 24. a second pipe; 3. a fluid delivery system; 31. a liquid supply tank; 32. an infusion nozzle; 33. a water pump; 331. an inlet; 332. an outlet; 34. a first pipeline; 35. a second pipeline; 4. a fluid recovery system; 41. a suction source; 42. a suction nozzle; 43. a recovery box; 44. a notch; 5. attaching a cleaning tool; 51. cleaning the head; 511. a brush member; 512. a flat suction nozzle; 52. a flexible extension tube; 53. a connector; 54. a dirty liquid interface; 55. a cleaning liquid interface; 56. a feeler lever; 57. a contaminated liquid recovery pipe; 58. a hose; 6. attaching a cleaning tool; 61. cleaning the head; 611. a brush member; 612. a flat suction nozzle; 62. a flexible extension tube; 63. a connector; 64. a dirty liquid interface; 65. a cleaning liquid interface; 66. a feeler lever; 7. attaching a cleaning tool; 71. cleaning the head; 711. a brush member; 712. a flat suction nozzle; 72. a flexible extension tube; 73. a connector; 74. a dirty liquid interface; 75. a cleaning liquid interface; 76. a feeler lever; 77. a contaminated liquid recovery pipe; 83. a water pump; 831. an inlet; 84. a first pipeline; 85. a multiport valve assembly; 851. an inlet end; 852. a first outlet end; 853. a second outlet end; 854. a first passage; 855. a second passage; 856. a valve core; 9. a fluid delivery system; 91. a liquid supply tank; 92. an infusion nozzle; 93. a first water pump; 94. and a second water pump. 101. A floor cleaning seat; 102. a vertical handle portion; 1021. a socket; 10211. a dirty liquid inlet; 10212. a cleaning liquid output interface; 10213. a micro-switch; 1022. a cover; 1023. a first pipe; 1024. a second pipe; 104. a fluid recovery system; 1041. a suction source; 1042. a suction nozzle; 1043. a recovery box; 201. a floor cleaning seat; 202. a vertical handle portion; 2021. a socket; 20211. a dirty liquid inlet; 20212. a cleaning liquid output interface; 20213. a micro-switch; 2022. a cover; 2023. a first pipe; 2024. a second pipe; 204. a fluid recovery system; 2041. a suction source; 2042. a suction nozzle; 2043. a recovery box; 2044. and (5) connecting pipes.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough explanation of various exemplary embodiments or implementations of the invention. However, various exemplary embodiments may be practiced without these specific details or with one or more equivalent arrangements. Furthermore, the various exemplary embodiments may be different, but are not necessarily exclusive. For example, the specific shapes, configurations, and characteristics of the exemplary embodiments may be used or implemented in another exemplary embodiment without departing from the inventive concept.

Hereinafter, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

Further, in this application, spatially relative terms such as "side" (e.g., as in a "sidewall") and the like are used to describe one element's relationship to another (other) element as illustrated 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.

In the present application, unless explicitly specified and limited otherwise, the term "coupled" is to be construed broadly, and for example, "coupled" may be either fixedly coupled, detachably coupled, or integrally formed; can be directly connected or indirectly connected through an intermediate medium.

Fig. 1-8 show a first embodiment of a surface cleaning apparatus of the present invention, as shown in fig. 1 and 2, comprising: a floor cleaning base 201 adapted to be moved over a floor, a vertical handle portion 202, a fluid delivery system 9, a fluid recovery system 204 and an attached cleaning tool 7. The upright handle portion 202 is movably mounted to the floor cleaning base 201 between a storage position and a use position. The attached cleaning tool 7 is detachably attached to the vertical handle portion 202, and the attached cleaning tool 7 is located in the attached position when the attached cleaning tool 7 is attached to the vertical handle portion 202.

As shown in fig. 6, the attached cleaning tool 7 carries a cleaning head 71, and the cleaning head 71 includes a brush member 711 and a flat suction nozzle 712.

As shown in fig. 1 and 4, the surface cleaning apparatus further comprises a control part having a main switch 2010, the control part being configured to have a first control mode adapted to perform a cleaning operation of the floor cleaning base 201 and a second control mode adapted to perform a cleaning operation of the attached cleaning tool 7.

As shown in fig. 5 to 8, the attached cleaning tool 7 further includes a flexible extension tube 72 with one end connected to the cleaning head 71 and a connector 73 connected to the other end of the flexible extension tube 72, a dirty liquid interface 74 and a cleaning liquid interface 75 are disposed on the connector 73, a socket 2021 for adapting to the connector 73 is disposed on the vertical handle 202, a dirty liquid inlet 20211 and a cleaning liquid outlet 20212 are disposed at the socket 2021, and a cover 2022 (see fig. 1) is further disposed at the socket 2021, where the cover 2022 is used for covering the dirty liquid inlet 20211 and the cleaning liquid outlet 20212 when the connector 73 is not connected to the socket 2021; when the attached cleaning tool 7 is in the connected position, the dirty liquid inlet 20211 and the dirty liquid interface 74 are in communication, and the clean liquid outlet 20212 is in communication with the clean liquid interface 75.

As shown in fig. 3 and 8, the fluid delivery system 9 includes: a liquid supply tank 91 provided on the vertical handle portion 202 for storing a cleaning liquid, an infusion nozzle 92 provided on the floor cleaning seat 201, and a fluid delivery path for communicating the infusion nozzle 92 with the liquid supply tank 91 to achieve delivery of the cleaning liquid from the liquid supply tank 91 to the infusion nozzle 92.

The fluid conveying path comprises a first water pump 93 and a second water pump 94, wherein the first water pump 93 is installed in the floor cleaning seat 201 and is configured to supply cleaning liquid in the liquid supply tank 91 to the infusion nozzle 92; the second water pump 94 is mounted within the vertical handle portion 202 and is configured to supply cleaning liquid in the liquid supply tank 91 to the cleaning head 71 of the attached cleaning tool 7 when the attached cleaning tool 7 is in the connected position. In other embodiments, the first water pump 93 and the second water pump 94 may be disposed on the floor cleaning base 201, respectively, or the first water pump 93 and the second water pump 94 may be disposed on the vertical handle portion 202, respectively.

As shown in fig. 1, 3, and 7, the fluid recovery system 204 is for removing cleaning liquid and debris on a surface to be cleaned from the outside and storing the recovered cleaning liquid and debris, and the fluid recovery system 204 includes a suction source 2041, a suction nozzle 2042 provided on the floor cleaning base 201, a suction path fluidly connecting the suction nozzle 2042 with the suction source 2041, and a recovery tank 2043 provided on the vertical handle portion 202 and fluidly connecting the suction source 2041, the suction source 2041 sucking the cleaning liquid and debris above the surface to be cleaned into the recovery tank 2043 through the suction nozzle 2042 by a large suction force. The suction path includes a first conduit 2023 (not shown) connected to the recovery tank 2043 and a second conduit 2024 connected to the suction nozzle 2042; the first tube 2023 and the second tube 2024 have a connecting tube 2044 therebetween that is exposed outside of the vertical handle portion 202, the connecting tube 2044 being operatively mounted to the vertical handle portion 202 such that the first tube 2023 and the second tube 2024 are in fluid communication outside of the vertical handle portion 202. When the connection pipe 2044 is removed from the vertical handle portion 202, the flow path between the first pipe 2023 and the second pipe 2024 is interrupted.

As shown in fig. 4-6, the attachment cleaning tool 7 has a feeler lever 76 thereon, the vertical handle portion 202 has a micro switch 20213 thereon coupled to the control portion of the surface cleaning apparatus, the micro switch 20213 being configured to: after the micro switch 20213 is turned on, the main switch 2010 is turned on, and the control portion operates according to the second control mode; and after the micro switch 20213 is turned off, the main switch 2010 is turned on, and the control portion operates in accordance with the first control mode; when the attached cleaning tool 7 is in the connected position, the connector 73 is inserted into the connector socket 2021, and the feeler lever 76 contacts the micro switch 20213 and opens it.

When the floor cleaning seat 201 is used for cleaning a surface to be cleaned, the cover 2022 is covered on the socket 2021, the connecting pipe 2044 is connected to the vertical handle 202, the micro switch 20213 is in a closed state, the main switch 2010 is turned on, the control part operates according to a first control mode, the first water pump 93 is started and conveys cleaning liquid in the liquid supply tank 31 to the liquid delivery nozzle 92, the liquid delivery nozzle 92 sprays the cleaning liquid onto the floor brush surface in the floor cleaning seat 201, the floor brush surface is wetted by the cleaning liquid to clean the surface to be cleaned more easily, and scraps and polluted cleaning liquid on the surface to be cleaned are sucked into the suction path from the suction nozzle 2042 by the suction source 2041 and finally sucked into the recovery tank 2043. When encountering a gap waiting for a cleaning position, the cover 2022 and the connecting pipe 2044 are removed, the connector 73 with the cleaning tool 7 attached is inserted into the connector socket 2021, the contact rod 76 contacts the micro switch 20213 to open the micro switch 20213, then the main switch 2010 is turned on, and the control part operates according to the second control mode; the second water pump 94 is started and supplies the cleaning liquid in the liquid supply tank 31 to the cleaning head 71, the cleaning liquid is supplied from the cleaning liquid port 75 on the connection head 73 to the cleaning head 71, the cleaning liquid is matched with the brush member 711 to clean the surface to be cleaned, and the suction source 2041 sucks the debris and the dirty liquid from the flat suction nozzle 712 of the cleaning head 71 into the recovery tank 2043.

The original surface cleaning device is externally connected with the attached cleaning tool 7 capable of spraying water, so that a narrow position can be cleaned conveniently, places where the ground brush cannot touch can be cleaned, and cleaning efficiency is improved.

Fig. 9-15 show a second embodiment of a surface cleaning apparatus of the invention having a floor cleaning base 1, a vertical handle portion 2, a fluid delivery system 3, a fluid recovery system 4, an attached cleaning tool 5 and a control portion having a main switch 10, which is different from the first embodiment. The control section is configured to have a first control mode adapted to perform a cleaning operation of the floor cleaning base 1 and a second control mode adapted to perform a cleaning operation of the attached cleaning tool 5.

As shown in fig. 14, the fluid delivery system 3 includes: the liquid supply tank 31, the infusion nozzle 32 arranged on the ground cleaning seat 1 and a fluid conveying path for communicating the infusion nozzle 32 and the liquid supply tank 31, wherein the fluid conveying path achieves the aim of conveying cleaning liquid from the liquid supply tank 31 to the infusion nozzle 32. The infusion nozzle 32 is configured to spray a cleaning liquid onto a floor brush surface provided in the floor cleaning base 1.

As shown in fig. 11, 12 and 15, the fluid recovery system 4 functions in the same manner as the fluid recovery system 204 of the first embodiment, and the fluid recovery system 4 includes a suction source 41, a suction nozzle 42 provided on the floor cleaning base 1, a suction path that is in fluid communication with the suction nozzle 42 and the suction source 41, and a recovery tank 43 provided on the vertical handle portion 2 and in fluid communication with the suction source 41, the suction path having a first pipe 23 inside the vertical handle portion 2 that is connected to the recovery tank 43 and a second pipe 24 that is connected to the suction nozzle 42, the first pipe 23 being directly connected to the second pipe 24, and a notch 44 being provided on a side wall of a portion where the first pipe 23 is connected to the second pipe 24.

As shown in fig. 13, the attached cleaning tool 5 carries one cleaning head 51, and the cleaning head 51 includes a brush member 511 and a flat suction nozzle 512; attached cleaning tool 5 is detachably connected to the vertical handle portion 2.

As shown in fig. 9-13, the attached cleaning tool 5 further comprises a flexible extension tube 52 with one end connected with the cleaning head 51 and a connector 53 connected with the other end of the flexible extension tube 52, a dirty liquid recovery tube 57 and a cleaning liquid connector 55 are arranged on the connector 53, a dirty liquid connector 54 is arranged on the side wall of the dirty liquid recovery tube 57, a connecting socket 21 for adapting to the connector 53 is arranged on the vertical handle part 2, a dirty liquid inlet 211 communicated with the suction path is arranged at the connecting socket 21, a cover 22 is also arranged at the connecting socket 21, a protruding part 221 is arranged on the cover 22, when the connector 53 is not connected with the connecting socket 21, the cover 22 covers the dirty liquid inlet 211, and the protruding part 221 is inserted into the dirty liquid inlet 211 and plugs the gap 44, so that the dirty liquid sucked from the suction nozzle 42 is prevented from leaking from the connecting socket 21; meanwhile, the floor cleaning seat 1 is provided with a cleaning liquid output interface 212 communicated with the fluid conveying path; when the attached cleaning tool 5 is in the connected position, the dirty liquid recovery tube 57 is inserted into the gap 44 from the dirty liquid inlet 211, the first conduit 23 and the second conduit 24 are blocked, the dirty liquid interface 54 is connected to the first conduit 23, the cleaning liquid output interface 212 and the cleaning liquid interface 55 are connected to each other by a hose 58, and the cleaning head 51 is in fluid communication with the suction path and the fluid delivery path, respectively.

As shown in fig. 14, the fluid delivery path includes a water pump 33, a first pipe 34 that connects an inlet 331 of the water pump 33 to the liquid supply tank 31, and a second pipe 35 that connects an outlet 332 of the water pump 33 to the liquid delivery nozzle 32, the water pump 33 pumps the cleaning liquid from the liquid supply tank 31 to the liquid delivery nozzle 32; the attached cleaning tool 5 is connected to the second pipe 35 in the connection position, the passage from the outlet 332 to the infusion nozzle 32 is blocked, the cleaning liquid output port 212 is connected to the cleaning liquid port 55, and the cleaning liquid is supplied from the outlet 332 of the water pump 33 to the cleaning head 51 of the attached cleaning tool 5.

As shown in fig. 10, 12, 13, the attachment cleaning tool 5 has a feeler lever 56 (not shown) thereon, the vertical handle portion 2 has a micro-switch 213 (not shown) thereon coupled to a control portion of the surface cleaning apparatus, the micro-switch 213 being configured to: the main switch 10 is turned on again after the micro switch 213 is turned on, the control part operates according to the second control mode, and the main switch 10 is turned on again after the micro switch 213 is turned off, and the control part operates according to the first control mode; when the attached cleaning tool 5 is in the connected position, the connector 53 is inserted into the socket 21, and the feeler lever 56 contacts the micro switch 213 and opens it.

When the floor cleaning seat 1 is used for cleaning a surface to be cleaned, the cover 22 is covered on the socket 21, the main switch 10 is turned on, the control part starts the water pump 33 to convey the cleaning liquid in the liquid supply tank 31 to the liquid delivery nozzle 32, the liquid delivery nozzle 32 sprays the cleaning liquid on the floor brush surface in the floor cleaning seat 1, the floor brush surface is wetted by the cleaning liquid to clean the surface to be cleaned more easily, and the chips and the polluted cleaning liquid on the surface to be cleaned are sucked into the recovery tank 43 from the suction nozzle 42 by the suction source 41. When encountering the gap waiting for the cleaning position, inserting the connector 53 to which the cleaning tool 5 is attached into the socket 21, and connecting the cleaning liquid output port 212 and the cleaning liquid port 55 through a hose 58; after the micro switch 213 is turned on, the main switch 10 is turned on, and the control part controls the water pump 33 to adjust the flow rate of the pumped cleaning liquid; the dirty liquid recovery pipe 57 is inserted into the notch 44 from the dirty liquid inlet 211 to cut off the first pipeline 23 and the second pipeline 24, and the dirty liquid interface 54 is connected with the first pipeline 23; the cleaning head 51 is in fluid communication with a fluid delivery path and a suction path, respectively, cleaning fluid is delivered to the cleaning head 51 from a cleaning fluid port 55 on the connector 53, the cleaning fluid cooperates with the brush member 511 to clean the surface to be cleaned, the suction source 41 sucks debris and dirt from the flat suction nozzle 512 of the cleaning head 51 into the suction path, and finally the debris and dirt is recovered to the recovery tank 43.

Compared with the first embodiment, the present embodiment provides the cleaning liquid to the infusion nozzle 32 and the cleaning head 51 by the one water pump 33, which effectively reduces the product cost.

As shown in fig. 16 and 17, alternatively, the socket 21 'is provided on the floor cleaning base 1'; when the connector 53 'attached with the cleaning tool 5' is inserted into the socket 21', the dirty liquid recovery tube 57' is inserted into the floor brush cavity of the floor cleaning base 1 'from the dirty liquid inlet 211', and the dirty liquid connector 54 'is butted with the suction nozzle 42'; the cleaning liquid outlet port 212' is connected to the cleaning liquid port 55', and the cleaning head 51' is in fluid communication with the suction path and the fluid delivery path, respectively.

The above-mentioned alternative structure is simpler, and the attachment cleaning tool 5 'is directly connected to the floor cleaning base 1', and the dirty liquid interface 54 'is connected with the suction nozzle 42', so that the original suction path is not required to be cut off, and the probability of leaking dirty liquid is reduced.

Fig. 18-26 illustrate a third embodiment of a surface cleaning apparatus of the present invention, as shown in fig. 18, comprising a floor cleaning base 101, a vertical handle portion 102, a fluid delivery system 8, a fluid recovery system 104, an attached cleaning tool 6, and a control portion having a main switch 1010. The control section is configured to have a first control mode adapted to perform a cleaning operation of the floor cleaning base 101 and a second control mode adapted to perform a cleaning operation of the attached cleaning tool 6.

As shown in fig. 25, the fluid delivery system 8 includes: a liquid supply tank 81 provided on the vertical handle portion 102 for storing the cleaning liquid, an infusion nozzle 82 provided on the floor cleaning seat 101, and a fluid delivery path for communicating the infusion nozzle 82 with the liquid supply tank 81, the fluid delivery path effecting delivery of the cleaning liquid from the liquid supply tank 81 to the infusion nozzle 82.

As shown in fig. 26, the fluid recovery system 104 functions in the same manner as the fluid recovery system 204 of the first embodiment, and the fluid recovery system 104 includes a suction source 1041, a suction nozzle 1042 disposed on the floor cleaning base 101, a suction path fluidly connecting the suction nozzle 1042 with the suction source 1041, and a recovery tank 1043 disposed on the vertical handle portion 102 and fluidly connecting with the suction source 1041.

As shown in fig. 19, the attached cleaning tool 6 carries at least one cleaning head 61, the cleaning head 61 comprising a brush member 611 and a flat suction nozzle 612, the attached cleaning tool 6 being detachably connected to the vertical handle portion 102 and being capable of providing fluid communication with the fluid delivery path and the suction path, respectively, when in the connected position.

As shown in fig. 19, 20, 23, the attached cleaning tool 6 further includes a flexible bellows 62 having one end connected to the cleaning head 61 and a connector 63 connected to the other end of the flexible bellows 62, the connector 63 having an outwardly convex dirty liquid recovery tube 67, a cleaning liquid interface 65, and a feeler lever 66, the dirty liquid interface 64 being opened on a side wall of the dirty liquid recovery tube 67, the dirty liquid interface 64 being in fluid communication with a flat suction nozzle 612 of the cleaning head 61. The vertical handle 102 is provided with a receiving socket 1021 for adapting to the connection head 63, a dirty liquid inlet 10211, a cleaning liquid outlet 10212 and a micro switch 10213 coupled to a control part of the surface cleaning apparatus are arranged at the receiving socket 1021, the micro switch 10213 being configured to: the main switch 1010 is turned on after the micro switch 10213 is turned on, and the control part operates according to the second control mode, and the main switch 1010 is turned on after the micro switch 10213 is turned off, and the control part operates according to the first control mode; a cover 1022 is further provided at the socket 1021, and the cover 1022 is used to cover the dirty liquid inlet 10211 and the cleaning liquid outlet 10212 when the connector 63 is not connected to the socket 1021.

As shown in fig. 21 to 23, the suction path has a first pipe 1023 connected to the recovery tank 1043 and a second pipe 1024 connected to the suction nozzle 1042 inside the vertical handle 102, a connection pipe 1044 is provided between the first pipe 1023 and the second pipe 1024, the connection pipe 1044 enables the first pipe 1023 and the second pipe 1024 to form fluid communication inside the vertical handle 102, and the connection pipe 1044 is movably installed between the first pipe 1023 and the second pipe 1024.

As further shown in fig. 23-25, the fluid delivery path includes a water pump 83, a first conduit 84 connecting an inlet 831 of the water pump 83 to the fluid supply tank 81, a multiport valve assembly 85, the multiport valve assembly 85 including an inlet end 851, a first outlet end 852, a second outlet end 853, a first passageway 854 connecting the inlet end 851 to the first outlet end 852, a second passageway 855 connecting the inlet end 851 to the second outlet end 853, and a valve cartridge 856 movable between the first passageway 854 and the second passageway 855, the inlet end 851 being in communication with the water pump 83, the first outlet end 852 being in communication with the fluid delivery nozzle 82, the second outlet end 853 being in communication with a cleaning fluid output interface 10212 of the receptacle 1021.

As shown in fig. 21 to 26, when the attached cleaning tool 6 is in the connection position, the connector 63 is inserted into the socket 1021, the dirty liquid recovery tube 67 is inserted into the vertical handle portion 102 from the dirty liquid inlet 10211 of the socket 1021, and the feeler lever 66 contacts the micro switch 10213 and opens it; the dirty liquid recovery tube 67 abuts the connecting tube 1044, pushing the connecting tube 1044 away from between the first and second conduits 1023, 1024 such that the flow path between the first and second conduits 1023, 1024 is blocked, the dirty liquid interface 64 on the dirty liquid recovery tube 67 interfaces with the first conduit 1023 toward the opening of the second conduit 1024, and the cleaning head 61 is in fluid communication with the suction source 1041; simultaneously, the cleaning solution interface 65 is inserted into the cleaning solution output interface 10212 and communicated with the second outlet end 853, the cleaning solution interface 65 props against the valve core 856, the valve core 856 is pushed to move to block the first outlet end 852, the first passage 854 is blocked, the second passage 855 is communicated, and the solution supply tank 81 is in fluid communication with the cleaning head 61; after the attached cleaning tool 6 is removed from the vertical handle portion 102, the spool 856 is moved back into the second passageway 855, the second passageway 855 is blocked, the first passageway 854 is open, the fluid supply tank 81 is in fluid communication with the infusion nozzle 82, and at the same time, the connecting tube 1044 is reset, the first conduit 1023 is in communication with the second conduit 1024, and the surface cleaning device is operated by the floor cleaning seat 101.

When the floor cleaning seat 101 is used for cleaning a surface to be cleaned, the cover 1022 is covered on the receiving socket 1021, the micro switch 10213 is in a closed state, the main switch 1010 is turned on, the control part operates according to a first control mode, the water pump 83 conveys cleaning liquid in the liquid supply tank 31 to the multiport valve assembly 85, the valve core 856 is arranged in the second passage 855, the second passage 855 is cut off, the first passage 854 is communicated, the cleaning liquid is conveyed to the infusion nozzle 82, the infusion nozzle 82 sprays the cleaning liquid on the floor brush surface in the floor cleaning seat 101, the floor brush surface is wetted by the cleaning liquid and is easier to clean the surface to be cleaned, and chips on the surface to be cleaned and the polluted cleaning liquid are sucked into the suction path from the suction nozzle 1042 by the suction source 1041 and finally sucked into the recovery tank 1043. When encountering a gap waiting for cleaning position, the connector 63 to which the cleaning tool 6 is attached is inserted into the socket 1021, the feeler lever 66 contacts the micro switch 10213 and turns on the micro switch 10213, the main switch 1010 is turned on, the control part operates according to the second control mode, the valve core 856 enters the first passage 854 under the action of the control part, the first passage 854 is intercepted, the second passage 855 is communicated, the cleaning head 61 is respectively in fluid communication with the fluid conveying path and the sucking path, the cleaning liquid is conveyed from the cleaning liquid interface 65 on the connector 63 to the cleaning head 61, the cleaning liquid is matched with the brush member 611 to clean the surface to be cleaned, the suction source 1041 sucks the chips and the dirty liquid from the flat suction nozzle 612 of the cleaning head 61 into the sucking path, and finally the recovery tank 1043.

Compared with the two embodiments, the present embodiment switches the conveying paths of the cleaning liquid through the multiport valve assembly 85, so that leakage of the cleaning liquid is not easy to occur, and the conveying flow of the cleaning liquid is reasonably controlled; and the structure of the surface cleaning device is more compact, the product volume is reduced, and the occupied space of the product is saved.

According to the invention, the water-spraying attached cleaning tool detachably arranged on the surface cleaning device is convenient for cleaning a narrow position, so that the cleaning efficiency is improved in cleaning places where the floor brush cannot touch.

The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims

1. A surface cleaning apparatus, the apparatus comprising:

a floor cleaning base (1, 101, 201) adapted to be moved over a floor;

-a vertical handle portion (2, 102, 202), said vertical handle portion (2, 102, 202) being movably mounted to said floor cleaning base (1, 101, 201) between a storage position and a use position;

fluid delivery system (3, 8, 9), comprising: a liquid supply tank (31,81,91) provided on the vertical handle portion (2, 102, 202) for storing a cleaning liquid, an infusion nozzle (32,82,92) provided on the floor cleaning base (1, 101, 201), and a fluid delivery path for communicating the infusion nozzle (32,82,92) with the liquid supply tank (31,81,91) to effect delivery of a cleaning liquid from the liquid supply tank (31,81,91) to the infusion nozzle (32,82,92); and

a fluid recovery system (4, 104, 204) for removing the transported cleaning liquid and debris from the outside and storing the recovered cleaning liquid and debris, the fluid recovery system (4, 104, 204) comprising a suction source (41, 1041, 2041), a suction nozzle (42, 1042, 2042) provided on the floor cleaning base (1, 101, 201), a suction path in fluid communication with the suction nozzle (42, 1042, 2042) and the suction source (41, 1041, 2041), and a recovery tank (43, 1043, 2043) provided on the vertical handle portion (2, 102, 202) and in fluid communication with the suction source (41, 1041, 2041);

-an attachment cleaning tool (5, 6, 7) carrying at least one cleaning head (51, 61, 71), said attachment cleaning tool (5, 6, 7) being selectively connectable to said floor cleaning base (1, 101, 201) and/or said vertical handle portion (2, 102, 202) and being capable of being in fluid communication with said fluid delivery path and suction path, respectively, when in a connected position; and

a control part having a main switch (10, 1010, 2010), said control part being configured to have a first control mode adapted to perform a cleaning operation of said floor cleaning base (1, 101, 201) and a second control mode adapted to perform a cleaning operation of said attachment cleaning tool (5, 6, 7);

wherein the attachment cleaning tool (5, 6, 7) has a feeler lever (56, 66, 76) thereon, the floor cleaning base (1, 101, 201) and/or the vertical handle portion (2, 102, 202) has a micro switch (213, 10213, 20213) thereon coupled to a control portion of the surface cleaning apparatus, the micro switch (213, 10213, 20213) being configured to: -opening said main switch (10, 1010, 2010) after said microswitch (213, 10213, 20213) is opened, said control portion operating according to said second control mode, and-opening said main switch (10, 1010, 2010) after said microswitch (213, 10213, 20213) is closed, said control portion operating according to said first control mode; the contact bar (56, 66, 76) contacts and opens the micro switch (213, 10213, 20213) when the attachment cleaning tool (5, 6, 7) is in the connected position.

2. The surface cleaning apparatus of claim 1, wherein said suction path comprises a first conduit (23, 1023, 2023) connected to said recovery tank (43, 1043, 2043), a second conduit (24, 1024, 2024) connected to said suction nozzle (42, 1042, 2042); in the connection position, the at least one cleaning head (51, 61, 71) is connected to the first conduit (23, 1023, 2023), and the flow path between the second conduit (24, 1024, 2024) and the first conduit (23, 1023, 2023) is interrupted.

3. The surface cleaning apparatus of claim 1, wherein the fluid delivery path comprises a water pump (33), a first line (34) connecting an inlet (331) of the water pump (33) to the fluid supply tank (31), and a second line (35) connecting an outlet (332) of the water pump (33) to the fluid delivery nozzle (32), the attachment cleaning tool (5) being connected to the second line (35) in a connected position.

4. The surface cleaning apparatus of claim 1 wherein said fluid delivery path includes a water pump (83), a first conduit (84) connecting an inlet (831) of said water pump (83) to said supply tank (81), a multiport valve assembly (85), said multiport valve assembly (85) including an inlet end (851), a first outlet end (852), a second outlet end (853), a first passageway (854) connecting said inlet end (851) to said first outlet end (852), a second passageway (855) connecting said inlet end (851) to said second outlet end (853), and a valve cartridge (856) movable between said first passageway (854) and said second passageway (855), said inlet end (851) being connected to an outlet (832) of said water pump (83), said first outlet end (852) being connected to said infusion nozzle (82); the attached cleaning tool (6) is communicated with the second outlet end (853) when in a connecting position, the valve core (856) moves into the first passage (854), the first passage (854) is blocked, and the second passage (855) is communicated; after the attached cleaning tool (6) is removed from the floor cleaning seat (101) and/or the vertical handle portion (102), the valve core (856) is reset to move into the second passage (855), the second passage (855) is cut off, and the first passage (854) is communicated.

5. The surface cleaning apparatus of claim 1, wherein the fluid delivery path comprises a first water pump (93), a second water pump (94), the first water pump (93) being configured to supply cleaning liquid in the liquid supply tank (91) to the infusion nozzle (92), the second water pump (94) being configured to supply cleaning liquid in the liquid supply tank (91) to the cleaning head (71) of the attachment cleaning tool (7) when the attachment cleaning tool (7) is in the connected position.

6. The surface cleaning apparatus of claim 5, wherein the first water pump (93), the second water pump (94) are each disposed on the floor cleaning base (201) and/or the vertical handle portion (202).

7. Surface cleaning apparatus according to claim 1, wherein the attachment cleaning tool (5, 6, 7) further comprises a flexible bellows (52, 62, 72) with an end connected to the cleaning head (51, 61, 71) and a connection head (53, 63, 73) connected to the other end of the flexible bellows (52, 62, 72), the connection head (53, 63, 73) being provided with a dirty liquid interface (54, 64, 74) and a cleaning liquid interface (55, 65, 75), the floor cleaning base (1, 101, 201) and/or the vertical handle part (2, 102, 202) being provided with a connection socket (21, 1021, 2021) for adapting to the connection head (53, 63, 73), the connection socket (21, 1021, 2021) being provided with a dirty liquid inlet (211, 10211, 20211) and a cleaning liquid outlet (212, 10212, 20212); the cleaning tool (5, 6, 7) is connected in a connected position, the dirty liquid inlet (211, 10211, 20211) and the dirty liquid outlet (54, 64, 74) are connected, and the cleaning liquid outlet (212, 10212, 20212) is connected with the cleaning liquid outlet (55, 65, 75).

8. The surface cleaning apparatus of claim 7, further comprising a cover (22, 1022, 2022) disposed at the receiving receptacle (21, 1021, 2021).

9. A surface cleaning apparatus as claimed in claim 1, wherein the cleaning head (51, 61, 71) comprises a brush member (511,611,711) and a flat suction nozzle (512,612,712).