TWM540696U - Powder spray device - Google Patents

Description

Powder spraying device

This creation relates to a spray device, and more particularly to a powder spray device.

In daily life, in order to effectively clean the dirt adhering to the surface of the floor, wall or object when cleaning, the general public usually sprays water or cleaning liquid on the dirty place, and then wipes it with a rag. Cleaning, however, although this wet cleaning method can effectively remove the dirt, when the user encounters a surface that cannot be wetted, such as a wooden table surface, the user can usually only use props such as a rag or a brush. It is not only takes a lot of effort but also takes time to scrape off the dirt directly by friction.

In addition, when there is a groove or a gap in which the shavings are stuck on the surface of the object, the user sometimes cannot clean by direct contact, so that the shavings accumulate more.

In view of the fact that in daily life, users usually use wet cleaning methods to clean, but when the user encounters some objects that are afraid of water, they can only use the friction to scrape off the dirt. Do not It is more laborious and time consuming, and when there is a chip stuck in the groove or the gap, it is even more difficult to clean and remove directly; therefore, the creator of the present invention mainly aims to provide a powder spraying device to use the spray powder to Dirty impacts are carried out to achieve the effect of removing dirt.

Based on the above purposes, the necessary technical means adopted by the present invention provides a powder spraying device comprising an air gun, a powder supply container and a dust collecting hood.

The air gun is connected to a gas supply source and has a gas delivery line and an air outlet, the gas delivery line is connected to the gas supply source and the air outlet, and the air outlet is used to face a surface to be cleaned. The powder supply container is connected to the air gun and has an accommodating space for accommodating a powder and communicating with the gas delivery line. The dust hood is sleeved on the air gun, has a gas collecting port adjacent to the air vent, and is connected to a negative pressure generating source.

Wherein, when the high-pressure gas supplied by the gas supply source passes through the gas delivery pipeline, a negative pressure is generated at the junction between the gas delivery pipeline and the accommodating space, and the powder is sucked into the conveying pipeline from the accommodating space, and The high-pressure gas is ejected from the air outlet and impacts on one of the surfaces to be cleaned, the object to be cleaned is separated from the surface to be cleaned, and the negative pressure is used to collect the powder and the object to be cleaned by the negative pressure generating source. .

An auxiliary technical means derived from the above-mentioned essential technical means is that the air gun comprises a grip, a connecting pipe assembly and a jet pipe assembly. The grip is used to communicate with the gas supply source; the connecting tube assembly is coupled to the grip and the powder supply container; the lance assembly is coupled to the connecting tube The assembly is equipped with an air vent.

An auxiliary technical means derived from the above-mentioned necessary technical means is that the grip comprises a grip body and a handle switch. The grip system has an intake passage and an outlet passage, the intake passage being connected to the gas supply source, and the outlet passage being connected to the intake passage. The buckle handle relationship is disposed on the grip body and controls the intake passage to communicate with the air outlet passage when pressed.

An auxiliary technical means derived from the above-mentioned essential technical means is that the connecting pipe assembly comprises a connecting pipe body and a feeding pipe. The connecting pipe system is connected to the grip. The feeding pipe is connected to the connecting pipe body and is used for connecting the powder supply container. Preferably, the feed tube comprises a feed tube body, a suction tube and a feed valve. The feeding pipe system is connected to the connecting pipe body; the suction pipe is disposed in the feeding pipe body and extends to the accommodating space; the feeding valve is switchably disposed on the feeding pipe body for controlling the powder supply container to communicate Connect to the pipe body.

One of the subsidiary technical means derived from the above-mentioned necessary technical means is that the lance assembly comprises a reducer, a transfer tube and a gas nozzle. The tapered tube is connected to the connecting tube assembly. The transfer tube is connected to the reducer. The gas nozzle is connected to the transfer tube and has an air outlet.

An auxiliary technical means derived from the above-mentioned necessary technical means is that the dust collecting cover comprises a dust collecting cover body and a set of joints. Vacuum hood This system is used to connect to a negative pressure generating source and has a gas collecting port. The socket is connected to the dust cover body and is used for socketing the air gun.

An auxiliary technical means derived from the above-mentioned necessary technical means is that the dust collecting cover further comprises a pressing fixing member, which is disposed on the socket portion. It is used to fix the air gun to the socket. Further, the socket portion is integrally connected to the dust collecting cover body.

As described above, since the present invention connects the powder supply container for accommodating the powder to the spray gun, and then uses the gas introduced by the spray gun to drive the powder to be sprayed out, thereby achieving the use of the spray of the powder to clean the dirty. In addition, since the creation is provided with a dust hood, the dust absorbing cover can be used to collect the powder sprinkled by the powder, thereby effectively avoiding environmental turmoil.

The specific embodiments used in the present application will be further illustrated by the following examples and drawings.

100‧‧‧ powder spraying device

1‧‧‧ air gun

11‧‧‧ grip

111‧‧‧ grip body

1111‧‧‧Intake passage

1112‧‧‧Exhaust passage

112‧‧‧ buckle switch

12‧‧‧Connector assembly

121‧‧‧Connected pipe body

1211‧‧‧Transportation channel

122‧‧‧ Feeding tube

1221‧‧‧Feed tube body

1222‧‧‧Sipper

1223‧‧‧Feed valve

13‧‧‧jet assembly

131‧‧‧reducing tube

132‧‧‧Transfer tube

133‧‧‧ gas nozzle

1331‧‧ ‧Hay

2‧‧‧ powder supply container

21‧‧‧ accommodating space

3‧‧‧Dust cover

31‧‧‧Dust cover body

311‧‧‧ gas collection port

32‧‧‧ Sockets

33‧‧‧Resting fixtures

200‧‧‧ gas supply source

300‧‧‧Negative pressure generating source

CF‧‧‧cleaning surface

PT‧‧‧ powder

DT1, DT2‧‧‧ items to be cleaned

HP‧‧‧High pressure gas

NP‧‧‧Negative pressure gas

The first figure shows a schematic view of a powder spraying device provided by a preferred embodiment of the present invention; the second drawing is a schematic cross-sectional view of a cross section of the first drawing AA; and the third drawing shows the preferred embodiment of the present invention. The powder spraying device uses a high pressure gas to spray the powder to the schematic view of the object to be cleaned; and the fourth figure shows the negative pressure collecting powder generated by the powder spraying device provided by the preferred embodiment of the present invention using the negative pressure generating source. Schematic diagram of the body and the object to be cleaned.

Please refer to the first figure and the second figure. The first figure shows a schematic view of the powder spraying device provided by the preferred embodiment of the present invention; The second figure is a schematic cross-sectional view of the A-A section of the first figure. As shown, a powder spraying device 100 includes an air gun 1, a powder supply container 2, and a dust collecting cover 3.

The air gun 1 includes a grip 11, a connecting tube assembly 12, and a jet tube assembly 13. The grip 11 includes a grip body 111 and a latch switch 112.

The grip body 111 has an intake passage 1111 and an air outlet passage 1112. The intake passage 1111 is in communication with a gas supply source 200, and the outlet passage 1112 is in communication with the intake passage 1111.

The handle switch 112 is disposed on the grip body 111 and controls the intake passage 1111 to communicate with the air outlet passage 1112 when pressed by the user, so that the high pressure gas of the gas supply source 200 is sent from the intake passage 1111 to the outlet passage 1112. .

The connecting tube assembly 12 includes a connecting tube body 121 and a feeding tube 122.

The connecting tube body 121 is connected to the grip body 111 and has a conveying passage 1211, and the conveying passage 1211 is connected to the outlet passage 1112.

The feed pipe 122 includes a feed pipe body 1221, a suction pipe 1222, and a supply valve 1223. The feed pipe body 1221 is connected to the connecting pipe body 121 and communicates with the conveying passage 1211 of the connecting pipe body 121. The suction pipe 1222 is disposed in the feeding pipe body 1221 and communicates with the conveying passage 1211 through the feeding pipe body 1221. The supply valve 1223 is switchably disposed to the feed tube body 1221.

The lance assembly 13 includes a reducer 131, an adapter tube 132, and a gas nozzle 133. The reducer 131 is connected to the connecting pipe body 121 of the connecting pipe assembly 12. The transfer tube 132 is connected to the reducer 131. The gas nozzle 133 is connected to the transfer tube 132 and has a gas injection port 1331.

The passages of the intake passage 1111, the outlet passage 1112, the delivery passage 1211, and the lance assembly 13 form a gas delivery conduit (not shown) for conveying gas.

The powder supply container 2 is detachably connected to the inlet tube body 1221 and has an accommodating space 21 for accommodating the powder, and the straw 1222 extends into the accommodating space 21. In practice, the powder is a solid powder particle such as salt or baking soda.

The dust collecting cover 3 includes a dust collecting cover body 31, a set of connecting portions 32, and a pressing fixing member 33. The dust collecting cover body 31 is connected to a negative pressure generating source 300 and has a gas collecting port 311. The ferrule 32 is integrally connected to the dust hood body 31 and is configured to sleeve the lance assembly 13 connected to the air gun 1. In the present embodiment, the air vent 1331 is exposed to the socket 32 and adjacent to the gas collection port. 311. The pressing fixture 33 is disposed on the socket portion 32 for fixing the air tube assembly 13 to the socket portion 32.

Please refer to the third figure. The third figure shows a schematic cross-sectional view of the powder spraying device provided by the preferred embodiment of the present invention for spraying powder onto the object to be cleaned by using high pressure gas.

As shown in the figure, in actual use, the user can align the air outlet 1331 with a to-be-cleaned surface CF, and press the handle switch 112 to connect the intake passage 1111 to the outlet passage 1112, thereby enabling the gas supply source 200. The supplied high pressure gas HP flows to the gas injection port 1331 through the conveying passage 1211 of the connecting pipe body 121, and when the high pressure gas HP passes through the joint between the conveying passage 1211 and the feeding pipe body 1221, a negative pressure is generated to apply the powder. The PT is sucked into the conveying passage 1211 through the suction pipe 1222, and is ejected from the air outlet 1331 to a to-be-cleaned object DT2 attached to the surface to be cleaned CF, so that the object to be cleaned DT2 is detached from the surface to be cleaned CF due to the impact of the powder PT. .

Next, please refer to the fourth figure, which is a schematic cross-sectional view showing the negative pressure collecting powder and the object to be cleaned by the negative pressure generating source of the powder spraying device provided by the preferred embodiment of the present invention. As shown in the figure, the user can again pass the negative pressure generated by the negative pressure gas NP of the negative pressure generating source 300 through the dust collecting cover 3 to break the sprayed powder PT from the powder to be cleaned by the powder PT. The cleaning object DT2 is collected to effectively avoid mess. When the user collects the discharged powder PT and the object to be cleaned DT2 by using the negative pressure generating source 300, the button switch 112 can be further pressed to impact the other object to be cleaned DT1 by the powder PT. In practical practice, the items to be cleaned DT1 and DT2 are, for example, shavings or dirt attached to the surface to be cleaned CF.

In addition, since the creation is further provided with a supply valve 1223, the user can selectively turn off the supply of the powder PT and directly discharge the gas for cleaning.

In summary, compared with the prior art, only tools such as rags or brushes can be used for dry cleaning of water-stained objects. This creation utilizes the spraying of powder to impact the dirt, which can effectively and conveniently dirty. If the dirt is removed, the dust cover can be used to collect the powder and dirt or shavings. Collected, increased convenience in use.

The features and spirit of the present invention are more clearly described in the above detailed description of the preferred embodiments, and the scope of the present invention is not limited by the preferred embodiments disclosed herein. On the contrary, it is intended to cover all kinds of changes and equivalences within the scope of the patent application to which the present invention is intended.

100‧‧‧ powder spraying device

1‧‧‧ air gun

11‧‧‧ grip

111‧‧‧ grip body

1111‧‧‧Intake passage

1112‧‧‧Exhaust passage

112‧‧‧ buckle switch

12‧‧‧Connector assembly

121‧‧‧Connected pipe body

1211‧‧‧Transportation channel

122‧‧‧ Feeding tube

1221‧‧‧Feed tube body

1222‧‧‧Sipper

1223‧‧‧Feed valve

13‧‧‧jet assembly

131‧‧‧reducing tube

132‧‧‧Transfer tube

133‧‧‧ gas nozzle

1331‧‧ ‧Hay

2‧‧‧ powder supply container

21‧‧‧ accommodating space

3‧‧‧Dust cover

31‧‧‧Dust cover body

311‧‧‧ gas collection port

32‧‧‧ Sockets

33‧‧‧Resting fixtures

200‧‧‧ gas supply source

300‧‧‧Negative pressure generating source

PT‧‧‧ powder

HP‧‧‧High pressure gas

NP‧‧‧Negative pressure gas

Claims (9)

A powder spraying device comprising: an air gun for connecting to a gas supply source, and having a gas delivery line and an air outlet, the gas delivery line being connected to the gas supply source and the air outlet; The venting port is configured to face a surface to be cleaned; a powder supply container is coupled to the air gun and has an accommodating space for accommodating a powder and communicating with the gas a delivery line; and a dust hood, the air gun having a gas collection port adjacent to the gas injection port and connected to a negative pressure generating source; wherein, when the high pressure gas supplied by the gas supply source passes When the gas is supplied to the pipeline, a negative pressure is generated at the junction of the gas delivery pipeline and the accommodating space, and the powder is sucked into the gas delivery pipeline from the accommodating space, and the high pressure gas is discharged from the venting port. Ejecting and impacting one of the objects to be cleaned to be cleaned, causing the object to be cleaned to be detached from the surface to be cleaned, and further collecting the powder by the negative pressure generated by the gas collecting port through the negative pressure generating source Cleaning things. The powder spraying device of claim 1, wherein the air gun comprises: a grip for connecting to the gas supply source; and a connecting pipe assembly connected to the grip and the powder supply a container; and a jet tube assembly connected to the connecting tube assembly and having the spray Air port. The powder spraying device of claim 2, wherein the grip comprises: a grip body having an intake passage and an outlet passage, the intake passage being connected to the gas supply source, The air outlet passage is connected to the intake passage; and a latch switch is disposed on the grip body and controls the intake passage to communicate with the air outlet passage when pressed. The powder spraying device of claim 2, wherein the connecting pipe assembly comprises: a connecting pipe body connected to the grip; and a feeding pipe connected to the connecting pipe body and used for Connect the powder supply container. The powder spraying device of claim 4, wherein the feeding tube comprises: a feeding tube body connected to the connecting tube body; a straw is disposed in the feeding tube body, And extending to the accommodating space; and a supply valve is rotatably disposed on the feeding tube body for controlling the powder supply container to communicate with the connecting tube body. The powder spraying device of claim 2, wherein the lance assembly comprises: a tapered tube connected to the connecting tube assembly; and an adapting tube coupled to the reducing tube; A gas nozzle is connected to the transfer tube and the air outlet is opened. The powder spraying device of claim 1, wherein the dust collecting cover comprises: a dust collecting cover body connected to the negative pressure generating source, and the gas collecting port is opened; and a set of joints , is connected to the dust cover body, and is used to sleeve the air gun. The powder spraying device of claim 7, wherein the dust collecting cover further comprises a pressing fixing member disposed on the socket portion for fixing the air gun to the socket portion. The powder spraying device of claim 7, wherein the socket portion is integrally connected to the dust collecting cover body.