WO2014194610A1

WO2014194610A1 - Surface cleaning device

Info

Publication number: WO2014194610A1
Application number: PCT/CN2013/087961
Authority: WO
Inventors: 梁金然
Original assignee: Liang Jinran
Priority date: 2013-06-03
Filing date: 2013-11-27
Publication date: 2014-12-11
Also published as: CN103251348B; CN103251348A

Abstract

Disclosed is a surface cleaning device, comprising a suction nozzle (2) for sucking up liquid from an object surface and outside air when cleaning the object surface; a water tank (3) which is provided with a cavity and used for collecting the liquid sucked up; a suction unit (4) for generating a negative pressure and forming a suction force; a suction pipeline (5) which is connected between the suction nozzle (2) and the water tank (3) and used for transferring the sucked-up liquid and outside air into the water tank (3); and a negative pressure pipeline (6) which is connected between the suction unit (4) and the water tank (3) and is in communication with the suction pipeline (5) via the cavity inside the water tank (3). The suction nozzle (2), the suction pipeline (5), the water tank (3), the negative pressure pipeline (6) and the suction unit (4) are arranged in sequence from top to bottom, the liquid and the outside air sucked up by the suction nozzle (2) enter the water tank (3) through the suction pipeline (5) along the same path from top to bottom, and the liquid sucked up by the suction nozzle (2) is collected by the water tank (3) after entering the water tank (3), while the outside air sucked up by the suction nozzle (2) continues to pass through the negative pressure pipeline (6) after entering the water tank (3) along a path from top to bottom and is discharged out by the suction unit (4). The surface cleaning device has a simple structure, and can quickly suck up liquid from the object surface and collect same in the water tank (3).

Description

Surface cleaning device Technical field:

The present invention relates to a surface cleaning device, and more particularly to a cleaning device for a hard object surface.

Background technique:

When cleaning the surface of an object such as a glass surface, the cleaning liquid is usually sprayed on the surface of the glass, and the surface of the glass is cleaned by a cleaning device.

In order to simultaneously remove the liquid of the glass surface at the same time when cleaning the surface of a hard object such as a glass surface, the patent publication CN101909499B discloses a portable hard surface suction device, but it has the following drawbacks: 1. Because the liquid suction path and the external air suction path are separated, the suction force is weakened, and when the liquid and the outside air are sucked into and separated by water and gas through the water deflector, the liquid can only rely on itself. The weight enters the inside of the tank and it is not possible to quickly pump liquid into the tank. 2. At the same time, it still has the defects of complex structure and high cost, which cannot be widely applied. Summary of the invention:

SUMMARY OF THE INVENTION An object of the present invention is to provide a surface cleaning apparatus which is simple in structure and can quickly absorb and collect liquid in an object surface in a water tank.

A surface cleaning device, including

a suction nozzle for sucking liquid and external air on the surface of the object when cleaning the surface of the object; the water tank having a cavity for collecting the absorbed liquid;

a suction unit for generating a negative pressure and forming a suction force;

a suction line connected between the suction nozzle and the water tank for conveying the sucked liquid and the outside air into the water tank;

a vacuum line connected between the suction unit and the water tank and passing through the internal cavity and suction line of the water tank Connected

The utility model is characterized in that: the suction nozzle, the suction pipe, the water tank, the negative pressure pipeline, and the suction unit are arranged from top to bottom in sequence; the liquid sucked by the suction nozzle and the external air are the same from top to bottom. The path enters the water tank through the suction line, and the liquid sucked by the suction nozzle enters the water tank and is collected by the water tank, and the external air sucked by the suction nozzle enters the water tank, and continues to flow along the top-down path through the negative pressure pipeline. The suction unit is discharged.

The surface cleaning device of the invention has the following advantages: 1. The suction nozzle, the suction pipe, the water tank, the negative pressure pipeline, and the suction unit are arranged in order from top to bottom, so that the suction nozzle sucks the liquid and the outside Air can enter the tank through the suction line from top to bottom along the same path. The suction force is stronger when cleaning, and the liquid on the surface of the object can be absorbed and collected in the water tank more quickly. 2. The suction nozzle, the suction pipe, the water tank, the negative pressure pipeline, and the suction unit are arranged from top to bottom in sequence, and the structure is simple and the gas path is smoother. 3, low cost, can be widely used.

The invention can be improved by the following scheme:

The bottom of the water tank is further provided with an exhaust pipe extending upward from the bottom toward the inside of the water tank, and the bottom end of the exhaust pipe is connected with the negative pressure pipe, and the top end of the exhaust pipe communicates with the water tank cavity. The structure is simple, the pumped liquid and the outside air are easily separated from each other after entering the tank, and the tank can be accommodated in a certain amount of liquid.

The top of the water tank is further provided with an inlet pipe, the top end of which extends to the outside of the water tank and is connected to the suction pipe, and the bottom end of the inlet pipe extends downwardly to the inside of the water tank and communicates with the tank cavity. The structure is simple, ensuring that the liquid in the tank does not flow back when the cleaning device cleans the surface of the object in the horizontal direction.

The exhaust pipe and the inlet pipe are longitudinally offset from a certain position. The structure is simple, and the sucked liquid and the outside air can be sufficiently separated after entering the water tank. The inlet pipe is a pipe body closed at the bottom end, and a bottom end is recessed with a vacant position, and an opening on the inlet pipe opposite to the vacant space is provided with an opening communicating with the tank cavity; the exhaust pipe a top end closed tubular body, the top end portion of which extends to the vacant space and abuts the vacant space, and an opening communicating with the tank cavity is formed on the side wall of the exhaust pipe opposite to the side wall opposite to the vacant space . The structure is simple and compact, so that the sucked liquid and the outside air can be sufficiently separated after entering the water tank, and the water storage capacity of the water tank is maximized.

The opening at the bottom end of the inlet pipe is located on the left side wall of the inlet pipe, and the opening at the top end of the exhaust pipe is located on the right side wall of the exhaust pipe. The structure is simple, ensuring that the pumped liquid and the outside air are sufficiently separated after entering the tank.

The bottom of the water tank is provided at a right side thereof with a first inclined bottom wall which is inclined to the right from the left bottom wall and extends upward, and continues to the right from the first inclined bottom wall and extends upwards and the water tank side a second inclined bottom wall of the wall connection, the exhaust pipe being disposed on the second inclined bottom wall. The structure is simple, and a space for the negative pressure piping is formed at a position corresponding to the first inclined bottom wall and the second inclined bottom wall in the outer casing.

Further comprising a casing, the top of the casing is provided with a connecting portion, wherein a portion forms a cavity; the suction nozzle is detachably mounted to the connecting portion; the suction pipe is disposed inside the casing and located Between the connecting portion and the cavity; the water tank is detachably embedded in the cavity; the negative pressure pipe and the suction unit are disposed inside the casing and are sequentially located below the cavity; An exhaust port is opened on a side wall of the corresponding suction unit, and the sucked outside air is discharged by the suction unit through the exhaust port. The structure is simple and the layout is reasonable.

The other side of the outer casing opposite the cavity is provided with a grip handle. Simple structure.

BRIEF DESCRIPTION OF THE DRAWINGS: detailed description:

As shown in Figs. 1 to 4, a surface cleaning apparatus includes at least a suction nozzle 2, a water tank 3, a suction unit 4, a suction line 5, and a negative pressure line 6.

The suction nozzle 2 is configured to suck liquid and external air on the surface of the object when cleaning the surface of the object. The water tank 3 has a cavity for collecting the sucked liquid.

The suction unit 4 is for generating a negative pressure and forming a suction force.

The suction line 5 is connected between the suction nozzle 2 and the water tank 3 for conveying the sucked liquid and the external air into the water tank 3.

The negative pressure line 6 is connected between the suction unit 4 and the water tank 3, and communicates with the suction line 5 through the internal cavity of the water tank 3.

The suction nozzle 2, the suction line 5, the water tank 3, the negative pressure line 6, and the suction unit 4 are disposed in order from top to bottom; the liquid and external air sucked by the suction nozzle 2 are from top to bottom Along the same path, the water tank 3 enters the water tank 3 through the suction line 5, and the liquid sucked by the suction nozzle 2 enters the water tank 3 and is collected by the water tank 3, and the external air sucked by the suction nozzle 2 enters the water tank 3, and continues to go up and down. The path is discharged by the suction unit 4 via the negative pressure line 6.

Further, the bottom of the water tank 3 is further provided with an exhaust pipe 31 extending upward from the bottom toward the inside of the water tank 3, and the bottom end of the exhaust pipe 31 is connected with the negative pressure pipe 6, and the exhaust pipe 31 is The top end is in communication with the tank 3 cavity.

Further, the top of the water tank 3 is further provided with an inlet pipe 32, the top end of the inlet pipe 32 extends to the outside of the water tank 3 and is connected to the suction pipe 5, and the bottom end of the inlet pipe 32 is directed to the inside of the water tank 3. It extends downward and communicates with the cavity of the water tank 3.

Further, the exhaust pipe 31 is longitudinally offset from the inlet pipe 32 by a certain position.

Further, the water inlet pipe 32 is a pipe body closed at the bottom end, and the bottom end of the water inlet pipe 32 is recessed upwardly. a vacancy 321 , an opening 322 of the inlet pipe 32 opposite to the vacant position 321 is provided with a cavity 322 communicating with the cavity of the water tank 3; the exhaust pipe 31 is a pipe body whose top end is closed, and a top end portion thereof extends to the The vacant space 321 is in contact with the vacant space 321 , and an opening 311 communicating with the cavity of the water tank 3 is formed in the side wall of the exhaust pipe 31 opposite to the side wall opposite to the vacancy position 321 .

Further, the opening 322 at the bottom end of the inlet pipe 32 is located on the left side wall of the inlet pipe 32, and the opening 311 at the top end of the exhaust pipe 31 is located on the right side wall of the exhaust pipe 31 and adjacent to the inner wall of the water tank 3.

Further, the bottom of the water tank 3 is provided at a position on the right side thereof with a first inclined bottom wall 33 which is inclined to the right from the left bottom wall and extends upward, and is inclined to the right from the first inclined bottom wall 33 and A second inclined bottom wall 34 connected to the side wall of the water tank 3 is extended upward, and the exhaust pipe 31 is disposed on the second inclined bottom wall 34.

Further, the housing 1 further includes a connecting portion 11 at the top thereof, wherein a portion is formed with a cavity 12; the suction nozzle 2 is detachably mounted to the connecting portion 11; The suction pipe 5 is disposed inside the casing and located between the connecting portion 11 and the cavity 12; the water tank 3 is detachably embedded in the cavity 12; the negative pressure pipe 6 and the suction unit 4 is disposed inside the casing and sequentially located below the cavity 12; an exhaust port 13 is formed on the side wall of the corresponding suction unit 4 on the outer casing, and the sucked outside air is exhausted by the suction unit 4 through the exhaust port 13 discharge.

Still further, the other side of the outer casing 1 opposite the cavity 12 is provided with a grip handle 14. In addition, the bottom of the outer casing may be provided with a plug portion (not shown) on the same side of the grip handle, and the plug portion may be inserted into the external elongated handle.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. The equivalent variations and modifications made by the scope of the present invention fall within the scope of the present invention.

Claims

Rights request

1. A surface cleaning device, including

The suction nozzle is used to suck the liquid and external air on the surface of the object when cleaning the surface of the object; the water tank has a cavity and is used to collect the sucked liquid;

Suction unit, used to generate negative pressure and create suction force;

The suction line is connected between the suction nozzle and the water tank and is used to transport the sucked liquid and external air into the water tank; and

The negative pressure pipeline is connected between the suction unit and the water tank, and is connected to the suction pipeline through the internal cavity of the water tank;

It is characterized in that: the suction nozzle, suction pipeline, water tank, negative pressure pipeline, and suction unit are arranged in sequence from top to bottom; the liquid and external air sucked by the suction nozzle are arranged along the same line from top to bottom. The path enters the water tank through the suction pipe, and the liquid sucked by the suction nozzle enters the water tank and is collected by the water tank. After the external air sucked by the suction nozzle enters the water tank, it continues along the top-down path through the negative pressure pipe and then by the water tank. Exhaust from the suction unit.

2. A surface cleaning device according to claim 1, characterized in that: the bottom of the water tank is further provided with an exhaust pipe extending upward from the bottom to the inside of the water tank, and the bottom end of the exhaust pipe is connected with the said water tank. The negative pressure pipeline is connected, and the top of the exhaust pipe is connected with the water tank cavity.

3. A surface cleaning device according to claim 2, characterized in that: the top of the water tank is further provided with a water inlet pipe, the top of the water inlet pipe extends to the outside of the water tank and is connected to the suction pipe. The bottom end of the water pipe extends downward into the water tank and is connected with the water tank cavity.

4. A surface cleaning device according to claim 3, characterized in that: the exhaust pipe and the water inlet pipe are vertically staggered by a certain position.

5. A surface cleaning device according to claim 4, characterized in that: the water inlet pipe is a pipe body with a closed bottom end, and an avoidance position is recessed upward at the bottom end, and the water inlet pipe is opposite to the avoidance position. There is an opening on the side wall that communicates with the cavity of the water tank; the exhaust pipe is a pipe body with a closed top, and its top part extends to the avoidance position and offsets the avoidance position, and the exhaust pipe is in contact with the avoidance position. An opening communicating with the water tank cavity is provided on the side wall opposite to the side walls with the empty spaces.

6. A surface cleaning device according to claim 5, characterized in that: the opening at the bottom of the water inlet pipe is located on the left side wall of the water inlet pipe, and the opening at the top of the exhaust pipe is located on the right side wall of the exhaust pipe. .

7. A surface cleaning device according to any one of claims 2 to 6, characterized in that: the bottom of the water tank is provided with a third wall on the right side that is inclined to the right and extends upward from the left bottom wall. An inclined bottom wall, and a second inclined bottom wall that continues to incline to the right and extends upward from the first inclined bottom wall and is connected to the side wall of the water tank. The exhaust pipe is located on the second inclined bottom wall.

8. A surface cleaning device according to claim 7, characterized in that: it further includes a shell, the top of the shell is provided with a connecting portion, and a concave cavity is formed in the middle; the suction nozzle is detachably installed. at the connection part; the suction pipeline is provided inside the housing and between the connection part and the cavity; the water tank is detachably embedded in the cavity; the negative pressure pipeline and The suction unit is located inside the casing and is located below the cavity in sequence; an exhaust port is provided on the side wall of the housing corresponding to the suction unit, and the sucked external air is discharged by the suction unit through the exhaust port.

9. A surface cleaning device according to claim 8, characterized in that: a holding handle is provided on the other side of the housing opposite to the cavity.