CN217185994U - Cleaning device with sewage tank - Google Patents
Cleaning device with sewage tank Download PDFInfo
- Publication number
- CN217185994U CN217185994U CN202220221390.5U CN202220221390U CN217185994U CN 217185994 U CN217185994 U CN 217185994U CN 202220221390 U CN202220221390 U CN 202220221390U CN 217185994 U CN217185994 U CN 217185994U
- Authority
- CN
- China
- Prior art keywords
- tank
- sewage
- sewage tank
- locking structure
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model provides a cleaning device with a sewage tank, which comprises a machine body and the sewage tank, wherein the sewage tank is arranged on the machine body, the bottom of the sewage tank is provided with an opening which is communicated with a sewage pipe, and the sewage pipe extends to the upper side of the inside of the sewage tank; the sewage tank is provided with a first locking structure, the machine body is provided with a second locking structure, and the first locking structure basically corresponds to the second locking structure in position and is used for enabling the first locking structure to be coupled with the second locking structure so as to couple the sewage tank with the machine body. Further, set up anti-skidding structure between sewage case and holding tank. The sewage tank of the cleaning device is stably connected with the machine body, and the operation is convenient when the sewage tank is detached or installed. Further, the sewage tank can be stably moved when the sewage tank is disassembled and assembled, thereby preventing sewage from overflowing.
Description
Technical Field
The utility model relates to a burnisher technical field especially relates to cleaning device with sewage case.
Background
The cleaning device widely used in daily life can produce a lot of sewage mostly in clean process, is provided with the sewage case on the cleaning device and collects and spills the sewage that drags the in-process to produce, need dismouting sewage case on the cleaning device often in the daily use in order to clear up the sewage in the sewage case. When the sewage tank is detached for cleaning, the sewage tank is easy to shake, so that sewage overflows to enter other structures in the cleaning device or a cleaned area is polluted, and the use is inconvenient.
Cleaning device sets up location structure usually in order to set up the sewage case stably at cleaning device's preset position to can smoothly pump sewage into the sewage case when guaranteeing that scrubber sucks sewage, but location structure's setting can make sewage case dismouting operation complicated, wastes time and energy, makes sewage case clearance difficulty, influences cleaning device's use.
SUMMERY OF THE UTILITY MODEL
In view of the above, in order to overcome the defects of the prior art, the present invention provides a cleaning device having a sewage tank.
The cleaning device with the sewage tank comprises a machine body and the sewage tank, wherein the sewage tank is mounted on the machine body, an opening is formed in the bottom of the sewage tank, the opening is communicated with a sewage pipe, and the sewage pipe extends to the upper side of the inside of the sewage tank;
the sewage tank is provided with a first locking structure, the body is provided with a second locking structure, and the first locking structure and the second locking structure basically correspond in position and are used for enabling the first locking structure to be coupled with the second locking structure so as to couple the sewage tank with the body. The first locking structure and the second locking structure are coupled and matched to enable the sewage tank to be stably arranged on the machine body.
The machine body is provided with a containing groove, and the sewage tank is coupled in the containing groove;
the surface of the sewage tank, which is in contact with the holding tank, is provided with an anti-slip structure, and/or the surface of the holding tank, which is in contact with the sewage tank, is provided with an anti-slip structure. The anti-slip structure is used for increasing the friction force when the sewage tank contacts with the accommodating groove, so that the sewage tank can be more stably loaded into or moved out of the accommodating groove when the sewage tank is disassembled and assembled.
The antiskid structure includes: the anti-slip layer covers the surface of the sewage tank and/or the accommodating groove; and/or a protrusion structure provided on a surface of the wastewater tank and/or the receiving tank.
In some embodiments, at least a partial area on the side of the foul water tank is provided with a plurality of bar-shaped protrusions.
The machine body is provided with an accommodating groove, and the sewage tank is coupled in the accommodating groove; the sewage tank is provided with a first side and a second side, the accommodating groove is provided with a first end and a second end, the second end of the accommodating groove is an opening, when the sewage tank is installed in the accommodating groove, the first side of the sewage tank is abutted to the first end of the accommodating groove, and the first locking structure is arranged on the second side of the sewage tank.
Further, the width of the accommodating groove gradually increases from the first end of the accommodating groove to the second end of the accommodating groove; the width of the wastewater tank is gradually increased from the first side of the wastewater tank to the second side of the wastewater tank. The structural design of holding tank forms accepts the structure, has the guide effect when installation sewage case for the sewage case can accomplish the installation in imbedding the mounting groove more conveniently.
The sewage tank is provided with an air outlet for air flow in the sewage tank to flow out, the air outlet is detachably provided with a filtering device, the filtering device is provided with a handle, and the handle is used for operating when the filtering device is taken and installed.
Furthermore, the sewage tank is provided with a yielding groove for accommodating the handle and enabling a gap to exist between the handle and the sewage tank.
And a moving component is arranged in the first locking structure and/or the second locking structure, and the moving component in the first locking structure or the second locking structure is used for being connected with the other one of the first locking structure and the second locking structure.
In some embodiments, a plurality of sets of the first locking structures and the second locking structures are correspondingly arranged on the sewage tank and the machine body. Can further promote the stability of sewage case when installing in the holding tank.
The utility model provides a cleaning device with sewage case has following beneficial effect: make water tank and fuselage be connected stably through the hasp module, and the structure setting of hasp module convenient operation when dismantling or installing the water tank.
Further, set up anti-skidding structure in order to increase the frictional force between sewage case and the holding tank to can pack into the sewage case or shift out the holding tank more stably when dismouting sewage case.
Preferably, when the filtering device is installed on the sewage tank, the handle is correspondingly provided with a yielding groove, and the yielding groove is used for enabling a gap to exist between the handle and the tank body of the sewage tank so as to be convenient for a user to operate.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a partial structure of a cleaning device of the present invention;
fig. 2 is a schematic view of a partial structure of the body of the cleaning device of the present invention;
FIG. 3 is an exploded view of the waste water tank of the cleaning device of the present invention;
FIG. 4 is a schematic view of the structure of the waste water tank of the cleaning device of the present invention;
fig. 5 is an exploded view of the sewage tank of the cleaning device according to another embodiment of the present invention.
Reference numerals:
1-a fuselage; 11-a holding tank; 12-a yield slot; 2-a sewage tank; 31-a first locking structure; 32-a second locking structure; 4-a moving assembly; 41-an elastic member; 42-a moving member; 5-an anti-slip structure; 61-a first end; 62-a second end; 71-a first side; 72-a second side; 80-air outlet; 8-a filtration device; 81-handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a cleaning device with sewage case.
The technical scheme that the utility model provides can be used for including but not limited to multiple cleaning device such as floor cleaning machine, mopping robot, window cleaner.
In this embodiment, the technical solution of the present invention is exemplarily explained by a floor scrubber.
The utility model discloses a floor scrubber includes fuselage and sewage case. Wherein the body comprises at least a cleaning assembly, a main body portion and a hand-held portion. The cleaning assembly comprises a roller, a dirt suction port and the like, and is matched with the main body part to be used for cleaning the area to be cleaned. The main body portion of the scrubber machine includes electronic circuitry and software means sufficient to accomplish the cleaning task, and the hand-held portion is used for the user to hold the scrubber machine for cleaning. The water tank is installed on the machine body of the floor washing machine and comprises a clean water tank and a sewage tank. The clean water tank is used for providing clean water required by cleaning operation, the cleaning device sucks generated sewage in the cleaning process, and the sewage tank is used for containing the sewage generated in the cleaning operation process.
Referring to fig. 1-3, the sewage tank 2 is coupled to the body 1, and the connection between the sewage tank 2 and the body 1 can be locked or unlocked by providing a latch module, which includes a first latch structure 31 and a second latch structure 32. The sewage tank 2 is provided with a first locking structure 31, the body 1 is provided with a second locking structure 32, and the first locking structure 31 and the second locking structure 32 are coupled and matched to couple the sewage tank 2 to the body 1.
In this embodiment, the body 1 is provided with a receiving groove 11, and the waste water tank 2 is coupled in the receiving groove 11. The sewage tank 2 is provided with a first locking structure 31, the accommodating groove 11 is provided with a second locking structure 32, the first locking structure 31 and the second locking structure 32 are substantially corresponding in position, so that the first locking structure 31 and the second locking structure 32 can be coupled to couple the sewage tank 2 to the accommodating groove 11, and the locking module can enable the sewage tank 2 to be stably installed in the accommodating groove 11. The moving member 4 is provided in the first latch structure 31 or the second latch structure 32, and cooperates with the other of the first latch structure 31 and the second latch structure 32 by the movement of the moving member 4 to lock or unlock the connection of the wastewater tank 2 to the receiving tank 11.
The first locking structure 31 and the second locking structure 32 are arranged at corresponding positions, the first locking structure 31 can be arranged at the top, the bottom or the side of the sewage tank 2, and the second locking structure 32 is arranged at the position corresponding to the first locking structure 31 on the accommodating groove 11 to cooperate to realize the opening or locking of the connection between the sewage tank 2 and the accommodating groove 11. In some embodiments, a plurality of sets of the first and second locking structures 31 and 32 may be provided to further improve the stability of the wastewater tank 2 when it is installed in the receiving groove 11.
Further, a moving component 4 is arranged in the first locking structure 31 and/or the second locking structure 32, and the moving component 4 in the first locking structure 31 or the second locking structure 32 is used for connecting with the other of the first locking structure 31 and the second locking structure 32. For example, the first locking structure 31 may be provided with a moving component 4, and the moving component 4 moves to connect with the second locking structure 32; or a moving component 4 is arranged in the second opening and closing structure, and the moving component 4 moves to be connected with the first locking structure 31; or the moving components 4 are arranged in the first locking structure 31 and the second locking structure 32, and the moving components 4 in the first locking structure 31 and/or the second locking structure 32 move to connect the first locking structure 31 with the second locking structure 32.
The connection between the first locking structure 31 and the second locking structure 32 can be various, including but not limited to a plug-in connection and a locking connection.
In the present embodiment, one of the first and second locking structures 31 and 32 is provided with the moving member 4, and the other of the first and second locking structures 31 and 32 is provided with a locking groove, and the moving member 4 can be moved back and forth along a preset direction. The moving assembly 4 moves towards the locking groove along the preset direction, so that the moving assembly 4 can extend out of the accommodating groove 11 and extend into the locking groove, and connection between the sewage tank 2 and the accommodating groove 11 is locked. The movable assembly 4 moves in the direction away from the locking groove along the preset direction, so that the movable assembly 4 can move out of the locking groove and be accommodated in the accommodating groove 11, and the connection between the sewage tank 2 and the accommodating groove 11 is opened. The plug-in cooperation between the movable assembly 4 and the locking groove can lock the connection between the sewage tank 2 and the accommodating groove 11, so that the sewage tank 2 is stably installed in the accommodating groove 11, and meanwhile, the plug-in assembly cooperation mode is convenient to operate when the sewage tank 2 is disassembled and assembled.
Preferably, the moving assembly 4 includes an elastic member 41 and a moving member 42, and the elastic member 41 provides a force to move the moving member 42 out of the receiving groove 11. When the sewage tank 2 is disassembled, the movable member 42 can move into the accommodating groove 11 against the elastic force of the elastic member 41 under the action of an external force, so that the movable member 42 is accommodated in the accommodating groove 11, and the connection between the sewage tank 2 and the accommodating groove 11 is opened, so that the disassembling and assembling operation of the sewage tank 2 can be performed. When the waste water tank 2 is installed in the accommodating groove 11, the moving member 42 moves outside the accommodating groove 11 under the action of the elastic member 41 to extend into the locking groove when the external force is removed, so that the connection between the waste water tank 2 and the accommodating groove 11 can be automatically locked, and the situation that a user forgets to manually lock the connection between the waste water tank 2 and the accommodating groove 11 when installing the waste water tank 2 is avoided. The movable member 42 can be stably maintained in the state of being inserted into the locking groove when the foul water tank 2 is mounted in the receiving groove 11 by the elastic member 41, for convenience of use.
Further, an anti-slip structure 5 is provided between the foul water tank 2 and the housing tank 11. Specifically, the anti-slip structure 5 can be arranged on the surface of the sewage tank 2 contacting the accommodating tank 11, and/or the anti-slip structure 5 is arranged on the surface of the accommodating tank 11 contacting the sewage tank 2, the anti-slip structure 5 is used for increasing the friction force between the sewage tank 2 and the accommodating tank 11 when contacting, so that the sewage tank 2 can be more stably loaded into or unloaded out of the accommodating tank 11 when the sewage tank 2 is dismounted, the sewage tank 2 is greatly shaken when the sewage tank 2 is prevented from being loaded into the accommodating tank 11, and the sewage tank 2 is prevented from being vigorously collided with the accommodating tank 11 and damaged when the sewage tank 2 is loaded into the accommodating tank 11. Particularly, when the foul water tank 2 is moved out of the housing tank 11, it is required to stably move the foul water tank 2 so as to prevent the foul water from overflowing into other structures in the cleaning apparatus or contaminating the cleaned area due to shaking of the foul water tank 2.
The anti-slip structure 5 may be: the anti-slip layer covering at least a partial area of the surface of the wastewater tank 2 and/or the receiving tank 11, and/or the raised structure provided at least a partial area of the surface of the wastewater tank 2 and/or the receiving tank 11, the anti-slip structure 5 can be formed as a rough structure in a partial area or the entire surface of the wastewater tank 2 and/or the receiving tank 11 to have a certain frictional force. For example, the anti-slip structure 5 may be a plurality of convex structures of a plurality of dot shapes, line shapes, irregular shapes, and the like provided on the surface of the wastewater tank 2 and/or the accommodation groove 11, or a non-slip material may be coated on the surface of the wastewater tank 2 and/or the accommodation groove 11 to form an anti-slip layer, and the like.
In this embodiment, a protrusion structure is provided at least a partial region of the side surface of the wastewater tank 2, and the anti-slip structure 5 of the surface of the wastewater tank 2 contacts with the surface of the accommodating groove 11 when the wastewater tank 2 is disassembled and assembled, so that a certain friction force can be generated when the wastewater tank 2 is moved, so that the influence of inertia is reduced when the wastewater tank 2 is disassembled and assembled by a user, and the wastewater tank 2 can be more stably loaded into or unloaded from the accommodating groove 11. In a specific embodiment, a plurality of linear projection structures are provided on partial areas on opposite sides of the foul water tank 2. Preferably, the plurality of linear protrusion structures are parallel.
In some embodiments, the receiving groove 11 has a first end 61 and a second end 62, the second end 62 of the receiving groove 11 is open, and the first side 71 of the foul water tank 2 abuts the first end 61 of the receiving groove 11 when the foul water tank 2 is mounted in the receiving groove 11, and the width of the receiving groove 11 gradually increases from the first end 61 to the second end 62. The foul water tank 2 has a first side 71 and a second side 72, and when the foul water tank 2 is mounted in the housing groove 11, the first side 71 is fitted into the housing groove 11 and the second side 72 is exposed from the housing groove 11. The first latch structure 31 is disposed on the second side 72 of the tank for operation by a user when using the cleaning device. The structural design that the width of the first end 61 to the second end 62 of the accommodating groove 11 gradually increases forms an accommodating structure, and has a guiding effect when the sewage tank 2 is installed, so that the sewage tank 2 can be more conveniently embedded into the installation groove to complete installation.
Further, the overall contour of the waste water tank 2 is designed in an arc shape, and the width of the first side 71 is smaller than that of the second side 72. Specifically, the width of the sewage tank 2 gradually increases from the first side 71 to the second side 72, and the whole contour of the sewage tank 2 is designed in an arc shape and can be matched with the accommodating structure of the accommodating groove 11 to actually enable the sewage tank 2 to be embedded into the installation groove more conveniently to complete installation, so that the sewage tank 2 is convenient to demould during production and is convenient to produce.
Referring to fig. 4 and 5, the waste water tank 2 is provided with an air outlet 80 through which the air inside the waste water tank 2 flows out, the air outlet 80 is detachably provided with a filtering device 8, and the filtering device 8 is used for filtering the air flowing out of the waste water tank 2 to prevent the impurities inside the waste water tank 2 from flowing out of the waste water tank 2. In some embodiments, the filtering device 8 is provided with a handle 8, the handle 8 is used for operation when the filtering device 8 is taken and loaded, and the sewage tank 2 is provided with a yielding groove 12 corresponding to the position of the handle 8. The filtering device 8 is arranged in the air outlet 80, and the handle 8 is positioned in the abdicating groove 12. The relief groove 12 is used for accommodating the handle 8 and enabling a gap to exist between the handle 8 and the sewage tank 2 so as to be convenient for a user to operate, so that the handle 8 can not be arranged in a protruding mode relative to the sewage tank 2, and the overall outline of the sewage tank 2 is regular.
To sum up, the utility model provides a cleaning device with sewage case makes sewage case and fuselage be connected stably through the hasp module, and the structure setting of hasp module convenient operation when dismantling or installing the sewage case.
Further, set up anti-skidding structure in order to increase the frictional force between sewage case and the holding tank to can pack into the sewage case or shift out the holding tank more stably when dismouting sewage case.
Preferably, when the filtering device is installed on the sewage tank, the handle is correspondingly provided with a yielding groove, and the yielding groove is used for enabling a gap to exist between the handle and the tank body of the sewage tank so as to be convenient for a user to operate.
The above is only the preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and can have different variants besides the above embodiments, and the technical features of the above embodiments can be combined with each other, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A cleaning device with a sewage tank is characterized by comprising a machine body and the sewage tank, wherein the sewage tank is arranged on the machine body, the bottom of the sewage tank is provided with an opening, the opening is communicated with a sewage pipe, and the sewage pipe extends to the upper side of the inside of the sewage tank;
the sewage tank is provided with a first locking structure, the body is provided with a second locking structure, and the first locking structure and the second locking structure basically correspond in position and are used for enabling the first locking structure to be coupled with the second locking structure so as to couple the sewage tank with the body.
2. The cleaning apparatus having a waste tank of claim 1, wherein the body is provided with a receiving groove, the waste tank being coupled in the receiving groove;
the surface of the sewage tank, which is in contact with the holding tank, is provided with an anti-slip structure, and/or the surface of the holding tank, which is in contact with the sewage tank, is provided with an anti-slip structure.
3. The cleaning apparatus having the sump as claimed in claim 2, wherein the anti-slip structure comprises: the anti-slip layer covers the surface of the sewage tank and/or the accommodating groove;
and/or a protrusion structure provided on a surface of the wastewater tank and/or the receiving tank.
4. The cleaning apparatus having the wastewater tank as claimed in claim 3, wherein at least a partial area on the side of the wastewater tank is provided with a plurality of strip-shaped protrusions.
5. The cleaning apparatus having a waste tank of claim 1, wherein the body is provided with a receiving groove, the waste tank being coupled in the receiving groove;
the sewage tank is provided with a first side and a second side, the accommodating groove is provided with a first end and a second end, the second end of the accommodating groove is an opening, when the sewage tank is installed in the accommodating groove, the first side of the sewage tank is abutted to the first end of the accommodating groove, and the first locking structure is arranged on the second side of the sewage tank.
6. The cleaning apparatus having a wastewater tank according to claim 5, wherein the width of the receiving tank is gradually increased from the first end of the receiving tank to the second end of the receiving tank;
the width of the wastewater tank is gradually increased from the first side of the wastewater tank to the second side of the wastewater tank.
7. The cleaning device with the sewage tank as claimed in claim 1, wherein the sewage tank is provided with an air outlet for allowing the air flow in the sewage tank to flow out, the air outlet is detachably provided with a filtering device, and the filtering device is provided with a handle for operating when the filtering device is taken in and taken out.
8. The cleaning device with the wastewater tank as claimed in claim 7, wherein the wastewater tank is provided with a relief groove for accommodating the handle and allowing a gap to exist between the handle and the wastewater tank.
9. The waste tank cleaning apparatus of claim 1, wherein a moving member is provided in the first and/or second latching structure, and the moving member of the first or second latching structure is adapted to be coupled to the other of the first and second latching structure.
10. The cleaning device with the sewage tank as claimed in claim 1, wherein a plurality of sets of the first and second latching structures are correspondingly arranged on the sewage tank and the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220221390.5U CN217185994U (en) | 2022-01-26 | 2022-01-26 | Cleaning device with sewage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220221390.5U CN217185994U (en) | 2022-01-26 | 2022-01-26 | Cleaning device with sewage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217185994U true CN217185994U (en) | 2022-08-16 |
Family
ID=82794861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220221390.5U Active CN217185994U (en) | 2022-01-26 | 2022-01-26 | Cleaning device with sewage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217185994U (en) |
-
2022
- 2022-01-26 CN CN202220221390.5U patent/CN217185994U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6836931B2 (en) | Locking mechanism for dust collection module of vacuum cleaner | |
| US6966098B2 (en) | Cleaner | |
| CN215838774U (en) | Base station and cleaning robot system | |
| KR100804806B1 (en) | Vacuum Cleaner | |
| CA2450058C (en) | Bagless vacuum cleaner | |
| CN109199225B (en) | Dust collector | |
| CA2687871A1 (en) | Slide out drum with filter for a wet/dry vacuum appliance | |
| EP3773106B1 (en) | Cleaner stand and cleaning apparatus having the same | |
| CN217185994U (en) | Cleaning device with sewage tank | |
| CN112930132B (en) | Cleaning machine | |
| CN217365692U (en) | Water tank assembly and cleaning equipment | |
| CN221096000U (en) | Swimming pool cleaning robot | |
| CN219720583U (en) | Cleaning apparatus | |
| CN219353790U (en) | Cleaning apparatus | |
| CN219353791U (en) | Cleaning apparatus | |
| CN112545374A (en) | Scraping bar assembly and cleaning robot | |
| CN218792080U (en) | Device with a water tank and cleaning appliance | |
| CN117403943A (en) | Swimming pool cleaning robot | |
| CN217185996U (en) | Cleaning device with water tank | |
| CN220696173U (en) | Sewage tank, cleaning base station and cleaning device | |
| CN215738732U (en) | Dust collector and cleaning floor brush thereof | |
| CN220694644U (en) | Dust removing brush | |
| CN110326997B (en) | Cleaning apparatus | |
| CN219940498U (en) | Sewage tank, floor washing machine and cleaning system | |
| CN215820805U (en) | Floor cleaning machine and base thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |