CN108553035A - A kind of cleaning device applied in cleaning equipment - Google Patents

Abstract

The invention discloses a kind of cleaning devices applied in cleaning equipment, cleaning equipment includes pedestal, cleaning device include direction from the front to the back be set in turn in pedestal dust suction subassembly, it is wet drag component and drying component, and, when pedestal moves forward, dust suction processing is carried out to ground by dust suction subassembly, by it is wet drag component to dust suction treated ground carry out it is wet drag processing, dragged that treated to wet by drying component ground carry out drying processing.Its technical solution can carry out dust suction, the wet operation dragged, dried up when the pedestal of cleaning equipment moves forward, while to ground, and the disposable cleaning treatment realized to ground significantly reduces the labour burden of user.

Description

A cleaning device used in cleaning equipment

technical field

The invention relates to the technical field of cleaning equipment, in particular to a cleaning device used in cleaning equipment.

Background technique

With the progress of society, people have higher and higher requirements for the use of household cleaning equipment, especially for new cleaning equipment such as wet mops or sweeping robots. The general requirements are convenience, practicality and intelligence. However, the sweeping robots or wet mopping robots currently on the market generally only have the function of vacuuming or wet mopping alone, and cannot perform vacuuming, wet mopping, and blow-drying operations on the ground at the same time, and it is difficult to clean the ground at one time. deal with.

Contents of the invention

In view of the above-mentioned problems existing in the prior art, we now provide a cleaning device that can be used in cleaning equipment to perform operations such as vacuuming, mopping, and drying the ground at the same time, and realize the cleaning treatment of the ground at one time. To overcome the above-mentioned technical defects.

The specific technical scheme is as follows:

A cleaning device used in cleaning equipment. The cleaning equipment includes a base. The cleaning device includes a dust suction assembly, a wet mopping assembly, and a drying assembly that are sequentially arranged in the base from front to back, and the base moves forward At the same time, the floor is dust-suctioned by the dust-absorbing component, the wet-mopped ground is wet-mopped by the wet-mopping component, and the wet-mopped ground is dried by the blow-drying component.

Preferably, the wet mop assembly includes:

The wet mop roller brush is rotatably installed in the installation cavity provided in the base and the lower end protrudes downward from the lower end surface of the base;

The sewage collection box is arranged in the base;

The cleaning liquid pipe, one end is connected to the liquid storage tank of the cleaning equipment, and the other end is connected to the installation cavity;

Sewage collection negative pressure pipe, one end is connected to the negative pressure generator of the cleaning equipment, and the other end is connected to the sewage collection tank to form negative pressure in the sewage collection tank;

In addition, a liquid storage tank for temporarily storing sewage is formed on one side of the installation cavity. The liquid storage tank and the liquid outlet of the cleaning liquid pipe are separated on the front and rear sides of the installation cavity, and the liquid storage tank is connected to the sewage collection box.

Preferably, the dust suction assembly includes a dust suction roller brush and a dust suction air duct, and the dust suction roller brush is rotatably arranged in the dust collecting chamber of the base and the lower end of the base penetrates through the lower end surface of the base, and one end of the dust suction air duct communicates with To the dust collection chamber and the other end is connected to the dust collection box of the cleaning equipment.

Preferably, the drying components include:

The drying air channel is formed in the base and located in the rear direction of the installation cavity, and the lower end surface of the drying air channel is open;

The drying air duct pipe is arranged in the cleaning equipment, and the two ends of the drying air duct pipe are respectively connected to the drying air duct and the blowing device of the cleaning equipment.

Preferably, it also includes a driving device installed in the base to drive the wet mopping roller brush and the vacuuming roller brush to rotate.

Preferably, the wet mop assembly also includes a suction pipe, and the two ends of the suction pipe are respectively connected to the liquid storage tank and the sewage collection box, so as to suck the sewage in the liquid storage tank into the sewage collection box under the action of negative pressure Inside.

Preferably, the wet mop assembly also includes a compression cover, the compression cover is closed above the installation cavity, the wet mop roller brush is accommodated between the installation cavity and the compression cover, and the rear side of the compression cover is provided with a There is a through groove at the liquid outlet end of the cleaning liquid pipe, and a through hole for piercing the liquid suction pipe is provided on the front side of the compression cover.

Preferably, the drying assembly further includes a row of air outlets, and the air outlets are opened on the base and communicated with the drying air duct.

Preferably, the end of the cleaning liquid pipe close to the roller brush of the wet mop is in the shape of a horizontal long strip and the lower side is provided with a number of leakage holes, the liquid suction pipe is in the shape of an "L", and the liquid storage tank is low in the middle and high on both sides The "V" shape, and one end of the suction tube is close to the lowest point in the liquid storage tank.

Preferably, the cleaning device is a sweeping robot, and the liquid storage tank, negative pressure generator, dust collection box, and blowing device are all integrated inside the base of the sweeping robot; or,

The cleaning equipment is a wet mop with a handle. The liquid storage tank, negative pressure generator, dust collection box, and blowing device are all set on the handle. wheel body.

The beneficial effects of the above-mentioned technical scheme are:

(1) The cleaning device used in the cleaning equipment includes a dust collection component, a wet mopping component and a drying component. When the base moves forward, the operation of dust suction, wet mopping and drying can be performed on the ground at one time. The cleaning treatment of the ground greatly reduces the labor burden of the user;

(2) The liquid storage tank of the cleaning equipment transports the cleaning liquid through the cleaning liquid pipe until it is sprayed on the wet mop roller brush. Under the action of the rotation of the wet mop roller brush, the outer ring is cleaned by the cleaning liquid and the sewage generated after washing is centrifuged. Under the action, it is brought into the liquid storage tank, and the negative pressure generator of the cleaning equipment forms a negative pressure inside the sewage collection tank through the sewage collection negative pressure pipe. Under the action of negative pressure, the sewage in the liquid storage tank is sucked into the sewage collection tank It can be stored inside, so that it can realize the function of automatic cleaning during the operation of wet mopping, and it is not necessary to remove the cloth of the outer ring of wet mopping roller brush for cleaning operation, which is particularly convenient;

(3) The drying air duct is set at the rear of the installation cavity. The blowing device of the cleaning equipment delivers wind power to the drying air duct through the drying air duct pipe, and dries the ground cleaned by the wet mop roller brush, effectively drying The remaining water stains on the ground make the process of cleaning the ground very convenient, and it can perform wet mopping and drying functions at the same time.

Description of drawings

Fig. 1 is a perspective view of the cleaning device of the present invention applied in cleaning equipment;

Fig. 2 is a perspective view of another angle of view of the cleaning device of the present invention applied in cleaning equipment;

Fig. 3 is a perspective view of the cleaning device of the present invention applied in the cleaning equipment and the shell on the base is removed;

Fig. 4 is a perspective view of the cleaning device of the present invention applied in the cleaning equipment and the upper and lower casings of the base are removed;

Fig. 5 is a structural schematic diagram of the cleaning device of the present invention applied to the lower shell of the inner base of the cleaning equipment and other components;

Fig. 6 is a perspective view of the present invention applied to the pressing cover of the cleaning device in the cleaning equipment.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the following embodiments illustrate the cleaning device used in the cleaning equipment provided by the present invention in detail with reference to the accompanying drawings 1 to 6.

Referring to Figure 1 and Figure 2, it is a perspective view of the cleaning device applied in the cleaning equipment; combined with Figure 3, it is a perspective view of the cleaning device applied in the cleaning equipment and the upper shell of the base is removed; and Figure 4 is the cleaning device applied to the cleaning A perspective view of the upper and lower shells in the equipment with the base removed; and Figure 5, a structural schematic diagram of the cleaning device applied to the lower shell of the base in the cleaning equipment and other components; and Figure 6, a cleaning device used in the cleaning equipment Perspective view of a compression cap. And define as shown in Figure 4 by the direction of the wet mop roller brush to the dust suction roller brush as the direction from back to front in the present embodiment.

As shown in Figures 1 to 6, the cleaning device provided by the present invention is applied in a cleaning device, and the cleaning device includes a base 1, wherein the cleaning device includes a dust suction assembly, a wet Drag assembly and drying assembly, and, when base 1 moves forward, carry out dust suction treatment to the ground by dust suction assembly, carry out wet mopping treatment to the ground after dust suction treatment by wet mopping assembly, wet by drying assembly Mop the treated ground for drying.

Based on the above technical solution, the cleaning device used in the cleaning equipment includes a dust suction assembly, a wet mopping assembly and a drying assembly, which can simultaneously perform dust suction, wet mopping, and drying operations on the ground when the base 1 moves forward. The cleaning treatment of the ground can be realized at one time, which greatly reduces the labor burden of the user.

In a preferred embodiment, as specifically shown in Figures 2 to 5, the wet mopping assembly includes: a wet mopping roller brush 2, which is rotatably installed in the installation cavity 11 provided in the base 1 and whose lower end penetrates downwards The lower end surface of the base 1 is used to contact and clean the ground; the sewage collection tank 21 is arranged in the base 1; the cleaning liquid pipe 23 is connected to the liquid storage tank (not shown in the figure) of the cleaning equipment at one end, and the other end is connected to the In the installation cavity 11; sewage collection negative pressure pipe 22, one end is connected to the negative pressure generator (not shown in the figure) of cleaning equipment, and the other end is connected in the sewage collection box 21, in order to form negative pressure in the sewage collection box 21 and, one side of the installation chamber 11 is formed with a liquid storage tank 16 for temporarily storing sewage, and the liquid storage tank 16 and the liquid outlet end of the cleaning liquid pipe 23 are separated on the front and rear sides of the installation chamber 11, for use in wet mopping The liquid that flows out from the liquid outlet end of the cleaning liquid pipe 23 is brought into the liquid storage tank 16 after cleaning the wet mop roller brush 2 under the rotation of the rolling brush 2, and the liquid storage tank 16 is connected with the sewage collection tank 21, in order to store water The sewage in the liquid tank 16 is sucked into the sewage collection tank 21 under the action of negative pressure.

In specific use, the liquid storage tank of the cleaning equipment transports the cleaning liquid through the cleaning liquid pipe 23 until it is sprayed on the wet mop roller brush 2, and the outer ring is cleaned by the cleaning liquid under the rotation of the wet mop roller brush 2, and the resulting The sewage is brought into the liquid storage tank 16 under centrifugal action, and the negative pressure generator of the cleaning equipment forms a negative pressure inside the sewage collection tank 21 through the sewage collection negative pressure pipe 22. Under the action of negative pressure, it is located in the liquid storage tank 16 The sewage inside is sucked in the sewage collecting tank 21 and is stored, thereby can realize the function that can be cleaned during the operation of the wet mop, without additionally unloading the cloth of the outer ring of the wet mop roller brush 2 for cleaning operation, making it particularly convenient.

As a further preferred embodiment, the dust suction assembly includes a dust suction roller brush 3 and a dust suction air duct 31, and the dust suction roller brush 3 is rotatably arranged in the dust collection cavity 12 in the base 1 of the cleaning device, and the dust suction roller The lower end of the brush 3 protrudes from the lower end surface of the base 1, and one end of the dust suction duct 31 is connected to the dust collection chamber 12 and the other end is connected to the dust suction box (not shown in the figure) of the cleaning equipment. In specific use, the dust suction box body of the cleaning equipment provides dust suction wind power to the dust collection chamber 12 through the dust suction air duct 31, and the dust suction roller brush 3 cleans the dust and garbage on the ground and sends it into the collection chamber under the action of the dust suction wind force. In the dust chamber 12.

As a further preferred embodiment, the drying assembly includes: a drying air channel 13, formed in the base 1 and located at the rear side of the installation cavity 11, the lower end surface of the drying air channel 13 is open; 5. It is installed in the cleaning equipment, and the two ends of the drying air duct pipe 5 are respectively connected to the drying air duct 13 and the blowing device (not shown in the figure) of the cleaning equipment, and the wind force generated by the blowing device passes through the drying air duct The pipe 5 enters the drying air duct 13 and dries the ground cleaned by the wet mopping roller brush 2 . In specific use, the drying air duct 13 is arranged at the rear position of the installation cavity 11, and the blowing device of the cleaning equipment delivers wind power to the drying air duct 13 through the drying air duct pipe 5, and blows dry after being cleaned by the wet mop roller brush 2. It can effectively dry the remaining water stains on the ground, making the process of cleaning the ground more convenient, and can perform wet mopping and drying functions at the same time.

In a preferred embodiment, as specifically shown in FIG. 3 , the cleaning device also includes a driving device 4 installed in the base 1 to drive the wet mop roller brush 2 and the dust suction roller brush 3 to rotate . Specifically, the driving device 4 is a motor, and the output shaft of the motor is connected to one end of the wet mopping roller brush 2 and one end of the dust suction roller brush 3 at the same time. Specifically, a drive wheel is set on the output shaft of the motor, a first drive wheel is set on one end of the wet mop roller brush 2, and a second drive wheel is set on one end of the dust-absorbing roller brush 3, and the outer periphery of the drive wheel has two rings. The two circumferential grooves are respectively connected to the first transmission wheel and the second transmission wheel through a belt, so as to realize the function of synchronous transmission, but the above-mentioned transmission mode can also be by including two motors in the driving device 4 To achieve, the two motors can also be connected to the two roller brushes respectively through belts or several gears or couplings, and it is not limited thereto. Further, the wet mop assembly also includes a suction pipe 24, and the two ends of the suction pipe 24 are connected to the liquid storage tank 16 and the sewage collection tank 21 respectively, so as to discharge the sewage in the liquid storage tank 16 under negative pressure. Inhale in the sewage collecting tank 21.

As a further preferred embodiment, as specifically shown in Fig. 3, Fig. 5 and Fig. 6, the wet mop assembly also includes a compression cover 17, the compression cover 17 is covered on the top of the installation cavity 11, and the wet mop roller brush 2 is accommodated. Placed between the installation cavity 11 and the compression cover 17, and the rear side of the compression cover 17 is provided with a through groove 18 for piercing the liquid outlet end of the cleaning liquid pipe 23, and the front side of the compression cover 17 is provided with a channel for piercing the liquid suction The through hole of the tube 24. Further, the rear side of the lower end surface of the pressing cover 17 also protrudes to form a row of protruding tooth structures 19, and the head ends of the protruding tooth structures 19 are closely attached to the cloth on the outer periphery of the wet mopping roller brush 2 for use in wet mopping. When the brush 2 rotates, the dirt adhering to the outer peripheral cloth of the wet mop roller brush 2 is removed, thereby cleaning the wet mop roller brush 2 . Further, one end of the cleaning liquid pipe 23 close to the wet mop roller brush 2 is in the shape of a horizontal strip and the lower side is provided with a number of leakage holes (not shown in the figure), so as to evenly flow the cleaning liquid to the wet mop. Roller brush 2 on. Furthermore, the liquid suction pipe 24 is in the shape of an "L", the liquid storage tank 16 is in a "V" shape with a low middle and high sides, and one end of the liquid suction pipe 24 is close to the lowest point in the liquid storage tank 16 .

In a preferred embodiment, as specifically shown in FIG. 3 , one end of the dust suction duct 31 is facing the rear side of the dust suction roller brush 3 , and the other end is connected to the dust collection box through a dust suction duct 32 body. It is worth pointing out that the above-mentioned dust collection box is the negative pressure dust collection box used in conventional vacuum cleaners, and a centrifugal fan or pump body is usually used to achieve the purpose of negative pressure dust collection. Further, the outer periphery of the cleaning roller brush 3 has bristles arranged in a helical shape along the axial direction. Further, the dust-absorbing roller brush 3 is arranged on the front side of the wet-mopping roller brush 2, so that the cleaning device performs dust-absorbing action first and then wet-mopping action during operation, which is convenient and reliable.

In a preferred embodiment, as specifically shown in FIG. 1 , FIG. 2 and FIG. 5 , the drying assembly further includes a row of air outlets 54 . are connected to flow out the airflow residing in the drying air channel 13 to the outside of the base 1 . Furthermore, several pieces of flocked fleece cloth 53 are arranged in an array from back to front in the drying air duct 13, which can further enhance its drying effect. Further, two passages 51 are respectively opened on the left and right sides of the drying air duct 13 , one of which is connected to the drying air duct pipe 5 , and the other passage 51 is connected to the air outlet 54 . Specifically, the drying air duct 13 has a rectangular parallelepiped structure as a whole and the lower end surface is open, and the left and right sides are respectively provided with a square channel 51, and one end of the drying air duct 5 is sealed by an air duct joint 52 installed in the base 1. One of the channels 51 is connected in the same way, and the air outlet 54 is located directly above the other channel 51 for easy exhaust, and the air outlet 54 is formed by a plurality of holes opened on the upper casing of the base 1 . However, the specific setting method and its shape can be determined according to the specific needs of the product. The above is only the preferred solution in this embodiment, and is not limited thereto. The above-mentioned blowing device can be realized by the structure of a fan or a fan heating air pipe, which is a conventional component , so details are omitted.

In a preferred embodiment, the above-mentioned cleaning equipment is a sweeping robot, and the above-mentioned liquid storage tank, negative pressure generator, dust collection box, and blowing device are all integrated inside the base 1 of the sweeping robot. Alternatively, the above-mentioned cleaning equipment is a wet mop with a handle 6, and the above-mentioned liquid storage tank, negative pressure generator, dust collection box, and blowing device are all arranged on the handle 6, and the handle 6 is connected to the base 1. The side and the bottom of the handle 6 are provided with a wheel body 61 that assists the movement of the base 1, and one end of the above-mentioned sewage collection negative pressure pipe 22, cleaning liquid pipe 23, dust suction air pipe 32, and drying air duct pipe 5 all extends to The handle 6 is used to connect to the components installed on the handle 6 respectively. Among them, the negative pressure generator can be realized by a centrifugal fan or a pump body. The above-mentioned dust collection box is a negative pressure dust collection box used in a conventional vacuum cleaner, and a centrifugal fan or a pump body is usually used to achieve the purpose of negative pressure dust collection. The above-mentioned The blowing device can be realized by the structure of the dust suction fan or the fan heating air duct of the cleaning equipment itself, which can provide cold air or hot air. They are all conventional components, so the details are omitted. The above-mentioned cleaning solution can be clear water or a solution mixed with a cleaning agent (such as detergent). Wherein, the wheel body 61 is arranged at the part where the handle 6 is connected to the base 1 . For sweeping robots, four-wheel drive wheels driven by stepping motors can be designed on the lower end of the base 1. This is the conventional design of sweeping robots, so it is omitted here, but it should not be a reason why it cannot be implemented.

In addition, a rechargeable battery (not shown in the figure) is also provided in the cleaning equipment, and the motor is electrically connected to the battery for power supply, and a control switch button is provided on the cleaning equipment, and the control switch button is connected in series with the motor and the battery. In the circuit, it is used to open and close the operation of the motor. Moreover, for the sweeping robot, the control switch button can be integrated in the PLC controller or PCB circuit board inside the base 1, and can also be realized by the remote terminal through the wireless communication module. For the wet mop with the handle 6, it can be set in the hand Put the control panel on 6, and the above-mentioned negative pressure generator, dust collection box, blower, motor and other electrical devices can be electrically connected to the control panel and the battery respectively, so as to realize the purpose of uniformly controlling its working state.

As a further preferred embodiment, the base 1 is surrounded by the lower housing 14 and the upper housing 15, and the sewage collection tank 21 is formed on the lower housing 14, and a sewage collection tank 21 facing the sewage collection tank 21 is provided on the upper housing 15. and an end cap for sealing the sewage collection tank 21 is detachably mounted in the opening, so that the sewage collected in the sewage collection tank 21 can be poured out directly by unloading the end cover 25 and tilting the base 1. Further, the drying air channel 13 is formed on the lower end surface of the lower casing 14 of the base 1, the dust collection chamber 12 is formed by the upper casing 15 and the lower casing 14 of the base 1, and the lower end surface of the lower casing 14 is opened There is a slot for exposing the dust suction roller brush 3 , and the air exhaust port 54 is opened on the upper end surface of the upper casing 15 .

The above descriptions are only preferred embodiments of the present invention, and are only illustrative rather than restrictive to the present invention. Those skilled in the art understand that many changes, modifications, and even equivalents can be made within the spirit and scope defined by the claims of the present invention, but all will fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a be applied to cleaning device in cleaning equipment, cleaning equipment includes base (1), its characterized in that, cleaning device include by preceding direction backward set gradually in dust absorption subassembly, wet subassembly and the subassembly that weathers in base (1), and, when base (1) moves forward, by dust absorption subassembly carries out the dust absorption to ground and handles, by wet subassembly that drags carries out wet processing of dragging on the ground after the dust absorption is handled, by weathers the subassembly and weathers the processing to wet ground of dragging after the processing.

2. A cleaning device for use in a cleaning appliance as claimed in claim 1, wherein said wet mop assembly comprises:

the wet mop rolling brush (2) is rotatably arranged in an installation cavity (11) arranged in the base (1), and the lower end of the wet mop rolling brush downwards penetrates out of the lower end surface of the base (1);

the sewage collecting box (21) is arranged in the base (1);

a cleaning liquid pipe (23), one end of which is communicated to the liquid storage tank of the cleaning equipment, and the other end of which is communicated to the inside of the mounting cavity (11);

one end of the sewage collecting negative pressure pipe (22) is communicated to the negative pressure generator of the cleaning equipment, and the other end of the sewage collecting negative pressure pipe is communicated to the inside of the sewage collecting box (21) and is used for forming negative pressure in the sewage collecting box (21);

and a liquid storage tank (16) for temporarily storing sewage is formed on one side of the installation cavity (11), liquid outlet ends of the liquid storage tank (16) and the cleaning liquid pipe (23) are separated from the front side and the rear side of the installation cavity (11), and the liquid storage tank (16) is communicated with the sewage collection box (21).

3. The cleaning device applied to the cleaning device as claimed in claim 2, wherein the dust collection assembly comprises a dust collection rolling brush (3) and a dust collection air duct (31), the dust collection rolling brush (3) is rotatably arranged in the dust collection cavity (12) of the base (1), the lower end of the dust collection rolling brush penetrates out of the lower end surface of the base (1), one end of the dust collection air duct (31) is communicated to the dust collection cavity (12), and the other end of the dust collection air duct is communicated to the inside of the dust collection box of the cleaning device.

4. A cleaning apparatus as recited in claim 3, wherein said blow dry assembly comprises:

the blow-drying air channel (13) is formed in the base (1) and located in the rear side direction of the mounting cavity (11), and the lower end face of the blow-drying air channel (13) is arranged in an open mode;

and the blow-drying air duct pipe (5) is arranged in the cleaning equipment, and two ends of the blow-drying air duct pipe (5) are respectively communicated to the blow-drying air duct (13) and the blowing device of the cleaning equipment.

5. A cleaning device for use in a cleaning apparatus according to claim 3 or 4, further comprising a driving device (4), said driving device (4) being mounted in said base (1) for driving said wet-mop roller (2) and said dust-collecting roller (3) in rotation.

6. The cleaning device applied to the cleaning equipment as recited in claim 5, wherein the wet mop assembly further comprises a liquid suction pipe (24), both ends of the liquid suction pipe (24) are respectively communicated to the liquid storage tank (16) and the sewage collection tank (21) for sucking the sewage in the liquid storage tank (16) into the sewage collection tank (21) under the action of negative pressure.

7. The cleaning device applied to the cleaning device as claimed in claim 6, wherein the wet mop assembly further comprises a pressing cover (17), the pressing cover (17) covers the mounting cavity (11), the wet mop roller brush (2) is accommodated between the mounting cavity (11) and the pressing cover (17), a through groove (18) for penetrating the liquid outlet end of the cleaning liquid pipe (23) is formed in the rear side of the pressing cover (17), and a through hole for penetrating the liquid suction pipe (24) is formed in the front side of the pressing cover (17).

8. The cleaning device as claimed in claim 4, characterized in that the blow-drying assembly further comprises an air outlet (54), the air outlet (54) is arranged on the base (1) and is communicated with the blow-drying air duct (13).

9. The cleaning device applied to the cleaning equipment as claimed in claim 7, characterized in that one end of the cleaning liquid pipe (23) close to the wet mop roller brush (2) is in a transverse long strip shape, a plurality of liquid leaking holes are formed in the lower side surface, the liquid suction pipe (24) is in an L shape, the liquid storage tank (16) is in a V shape with a low middle and high two sides, and one end of the liquid suction pipe (24) is abutted against the lowest point in the liquid storage tank (16).

10. Cleaning apparatus for use in a cleaning device according to claim 4,

the cleaning equipment is a sweeping robot, and the liquid storage tank, the negative pressure generator, the dust collection box body and the blowing device are all integrated in the base (1) of the sweeping robot; or,

cleaning device is for taking the wet of hand (6) to drag, liquid reserve tank, negative pressure generator, dust absorption box, blast apparatus all set up in on hand (6), hand (6) connect in base (1) rear side just hand (6) bottom is provided with the assistance wheel body (61) that base (1) removed.