TWI671126B - Spray gun device - Google Patents

Abstract

The invention provides a spray gun device, which comprises a spray gun handle, a spray gun tube body and a connection seat. A connection seat is connected between the spray gun handle and the spray gun body, and the connection seat is provided with a first communication pipe and a second communication pipe which are incommunicable. The first communication pipe is connected to the spray gun handle and the spray gun body and is used as a gas. The second output pipe is connected to a second cover body for conduction, and is used as a gas suction path. Therefore, when in use, the gas sent from the handle of the spray gun is blown out through the first conduction pipe of the connection seat and the spray gun body, and the liquid is ejected by the suction pipe provided inside the spray gun body; The conducting tube is used to connect a suction device, and the gas around the second conducting tube can be sucked through the second conducting tube and the second conducting tube of the connecting seat.

Description

Spray gun device

The invention relates to a spray gun device, in particular to a spray gun device with mixed gas and liquid spraying and cleaning and having both suction and dust suction functions.

Traditional cleaning devices are mainly based on the manual repeated pressing of the sprayer, which is mainly based on the principle of air and atmospheric pressure. The rod is used to pull water into the water spray pipe during a pull and push process, and then the water is ejected from the pipe by thrust. However, these early sprayers can only spray water once during the pressing process, resulting in frequent and laborious pressing times, which often brings a lot of inconvenience to the user.

Therefore, some industry researchers have developed a gas-liquid rotary ejection device such as the Republic of China "No. M417190" patent publication, which mainly discloses an air flow tube, a spoiler and a liquid flow tube. The air flow tube is connected to the spoiler. The liquid flow pipe penetrates into the spoiler pipe and directly extends and bends to the outside of the air flow pipe. While a high flow rate gas is ejected from the air flow pipe to the spoiler, a liquid flows from the liquid flow by the pressure difference caused by the high flow rate gas. After the tube is sucked, the high flow gas is mixed with the liquid and ejected. However, in the disclosed known technology, when a high-velocity gas is mixed with a liquid and sprayed or sprayed on the surface of an object to be cleaned, a large amount of water vapor is generated, which causes considerable inconvenience for the operator.

In addition, the industry has developed a pneumatic cleaning gun such as the Republic of China "No. M528216" patent announcement, which mainly discloses a gun body, a nozzle cover and an adapter tube body. The body includes a gun body portion, a grip portion, and a fluid nozzle portion. The grip portion and the fluid nozzle portion are respectively connected to opposite sides of the gun body portion. The nozzle cover is installed on the gun body portion of the gun body, and the nozzle cover The body is surrounded by a covering space, and the fluid nozzle portion is located in the covering space of the nozzle cover. The transfer pipe body is connected to the nozzle cover. The transfer pipe body has an air outlet, and the air outlet is connected to the cover space. The nozzle body can rotate relative to the gun body and has at least a first use position and a second use position.

In the disclosed prior art, although the mist-like water vapor can be removed through the suction port provided by the nozzle cover, thereby reducing the generation of a large amount of mist-like water; however, the nozzle cover and the suction port are integrally formed. Connection, in actual use, the operator must disassemble the original nozzle cover (nozzle cover without suction port) of the cleaning gun before the nozzle cover with suction function ( Nozzle cover with suction port) can be installed on the gun body of the cleaning gun, so that the cleaning gun can be vented. In this way, the nozzle cover with different functions is repeatedly disassembled, which causes the operator to produce a lot of inconvenient.

The spray gun device disclosed in the present invention includes a spray gun handle, a spray gun tube body, and a connection seat. The handle of the spray gun is connected to an air compressor to output a gas; the front end of the spray gun tube body is combined with a first cover, and the spray gun tube body is provided with a rotating mechanism inside, and the rotating mechanism is connected with a hollow tube body and a hollow tube body. One end extends out of the spray gun body and is located in the first cover body. A spray pipe is passed through the spray gun body, and the suction pipe is passed through the hollow pipe body and the spray gun body. The connection seat is connected to the spray gun handle and the spray gun. The pipe bodies are in communication with each other, and the connection seat includes a first conduction pipe and a second conduction pipe which are not connected, and the first conduction pipe provided in the connection seat is connected to the spray gun handle and the spray gun body and is used as The gas output path is set by the connector The second conducting pipe is connected to a second cover body and used as a gas suction path, and the second conducting pipe is relatively sleeved outside the spray gun body and the first cover body. In this way, the gas sent by the handle of the spray gun is blown out through the first conduction pipe of the connection seat and the spray gun body, and the liquid is sucked out by the suction pipe provided inside the spray gun body; and the second conduction pipe of the connection seat is used for connection An aspirator device, the gas around the second conducting pipe can be sucked through the second conducting pipe and the second conducting pipe of the connecting seat.

The technical feature of the present invention is that the first base pipe and the second base pipe that are not connected are used in the connecting seat, and the first conducting pipe of the connecting seat is connected to the spray gun handle and the body of the spray gun for conduction as a gas. The output (ejection) path is connected by a second conducting pipe of the connection base and a second cover to be used as a gas suction (exhaust) path; thus, when the user does not need an air-extracting spray gun Only need to remove the second cover from the connection seat; when the user needs to use the air-extracting spray gun, only need to combine the second cover with the connection seat, so as to provide user convenience and fast Change the air extraction or non-air extraction function of the spray gun.

1‧‧‧Gun Handle

11‧‧‧Air inlet

12‧‧‧ Outlet

2‧‧‧gun body

21‧‧‧First connection

22‧‧‧Second connection section

23‧‧‧The first cover

231‧‧‧Third connection section

24‧‧‧ Rotating mechanism

25‧‧‧ hollow tube

26‧‧‧ Suction pipe

3‧‧‧Connector

31‧‧‧First Conduit

311‧‧‧Fourth connecting section

312‧‧‧Fifth connection

313‧‧‧Sixth connection

32‧‧‧ Second Conduit

321‧‧‧Seventh connection

322‧‧‧ Eighth connection section

33‧‧‧rotating collar

34‧‧‧ connecting pipe

4‧‧‧Second cover

41‧‧‧Ninth connecting section

42‧‧‧ opening

5‧‧‧ solution storage bucket

51‧‧‧Connector

52‧‧‧Regulating valve

First figure: a combined perspective view of the spray gun device of the present invention.

The second figure is an exploded view of the spray gun device of the present invention.

FIG. 3 is a schematic exploded sectional view of the spray gun device of the present invention.

FIG. 4 is a schematic sectional view of a combination of the spray gun device of the present invention.

Fifth figure: a partially enlarged sectional schematic view of a combination of the spray gun device of the present invention.

To make it easy for your examiner to understand other features and advantages of the present invention. The points and the effects achieved can be more apparent. The present invention will be described in detail with reference to the drawings in conjunction with the features and advantages of the present invention. The following examples further explain the viewpoints of the present invention in detail, but do not limit the present invention in any way. Category.

Please refer to the first to fifth figures. The present invention discloses a spray gun device, which includes a spray gun handle 1, a spray gun tube body 2, a connection base 3, a second cover body 4, and a solution storage barrel 5.

The spray gun handle 1 is provided with an air inlet end 11 and an air outlet end 12, and the air outlet end 12 of the spray gun handle 1 is connected to an external air compressor, so that the gas output by the air compressor can be made through the air outlet end 12 of the spray gun handle 1 Output.

The spray gun tube body 2 communicates with the air outlet end 12 of the spray gun handle 1. One end of the spray gun tube body 2 is provided with a first connection portion 21 and the other end thereof is provided with a second connection portion 22. The second connection portion 22 is combined with one The first cover body 23 is provided with a third connection portion 231 at one end and an expanded opening (eg, a horn opening shape) at the other end, so that the third connection portion 231 of the first cover body 23 Combined with the second connection portion 22, the first cover 23 is located at the front end position of the spray gun tube body 2; and the spray gun tube body 2 is provided with a rotation mechanism 24 inside, and the rotation mechanism 24 can be rotated by the gas push, The rotating mechanism 24 is connected to a hollow pipe body 25. The end of the hollow pipe body 25 which is not connected to the rotating mechanism 24 extends outside the spray gun body 2 and is located in the first cover body 23. In addition, the interior of the spray gun body 2 passes through. A water suction pipe 26 is provided, and the water suction pipe 26 is penetrated inside the hollow pipe body 25, the rotating mechanism 24 and the spray gun pipe body 2 and is led out by the first connection portion 21.

The connection base 3 is used to connect between the spray gun handle 1 and the spray gun tube body 2 and communicate with each other. The connecting base 3 includes a first conducting pipe 31 and a second conducting pipe 32. One end of the through pipe 31 is provided with a fourth connection portion 311 and the other end thereof is provided with a fifth connection portion 312. A sixth connection portion 313 is provided between the fourth connection portion 311 and the fifth connection portion 312. The connection portion 311 is connected to the air outlet end 12 of the spray gun handle 1, and the fifth connection portion 312 is connected to the first connection portion 21 of the spray gun body 2, so that the spray gun handle 1, the first conduction pipe 31, and the spray gun body 2 The second conduction pipe 32 of the connection seat 3 is provided outside the first conduction pipe 31 in an integrally formed form and is not in communication with the first conduction pipe 31. One end of the conducting pipe 32 is provided with a seventh connection portion 321 and the other end thereof is provided with an eighth connection portion 322. The eighth connection portion 322 and the fifth connection portion 312 face the same direction and surround the outside of the fifth connection portion 312, and The eighth connection portion 322 is combined with a second cover 4. The second cover 4 is provided with a ninth connection portion 41 at one end and an opening portion 42 at the other end. The ninth connection portion of the second cover 4 is formed by the second cover 4. 41 is combined with the eighth connection portion 322 of the connection seat 3, so that the second cover body 4 and the second conduction pipe 32 are in phase. Connected and used as a gas suction (exhaust) path, and the diameter of the second cover 4 is larger than the diameter of the spray gun tube 2 and the first cover 23, so that the second cover 4 can be sleeved on the spray gun The outside of the tube body 2 and the first cover body 23.

The solution storage bucket 5 is provided with a connection joint 51. The connection joint 51 is connected to the sixth connection portion 313 of the connection base 3 so that the solution storage bucket 5 can be combined with the connection base 3. The connection joint 51 is provided with a regulating valve 52.

The suction pipe 26 of the spray gun body 2 can be sequentially provided with a hollow pipe body 25, a rotating mechanism 24, a spray gun body 2, and a first conduction pipe 31, and is passed through the sixth connection portion 313 of the first conduction pipe 31. After that, the connection joint 51 is inserted and located in the solution storage tank 5.

According to an embodiment of the present invention, the first guide of the handle 1 and the connecting seat 3 of the spray gun is used. The through pipe 31 and the spray gun body 2 are connected and used as a gas output (ejection) path. When the gas is sent out from the gas outlet end 12 of the handle 1 of the spray gun, the gas sequentially passes through the first conductive pipe 31 of the connection seat 3, the spray gun The tube body 2 is finally ejected by the hollow tube body 25, and the suction pipe 26 sucks the liquid inside the solution storage barrel 5 for ejection due to the Venturi effect; when the gas passes through the spray gun tube body 2, the rotating mechanism 24 can pass the gas The hollow pipe body 25 is driven to rotate by pushing and rotating.

A rotating collar 33 can be sleeved on the outside of the seventh connecting portion 321 of the second conducting pipe 32, so that the rotating collar 33 can be rotated outside the seventh connecting portion 321; and the seventh connecting portion 321 can be further connected with a connection The pipe 34 and the connecting pipe 34 can be sleeved on the rotating collar 33 and then connected to an external air extraction device (such as a vacuum cleaner) through the connecting pipe 34.

In another embodiment of the present invention, the second cover 4 is connected to the second conducting pipe 32 of the connecting seat 3 to be used as a gas suction (exhaust) path. When the connecting pipe 34 is connected to the outside, When the air extraction device is activated, an inhalation state is formed around the opening 42 of the second cover 4, and the inhaled gas, dust or liquid can be sucked in through the second cover 4 and the second conducting pipe 32 of the connection base 3. To an external extraction device.

The technical feature of the present invention is that the connecting base 3 is provided with an unconnected first conducting pipe 31 and a second conducting pipe 32 in an integrally formed form. The first conducting pipe 31 of the connecting seat 3 and the spray gun handle 1 and the spray gun body Two-phase connection and conduction are used as a gas output (ejection) path, and then the second conduction pipe 32 of the connection seat 3 is connected and conducted with the second cover 4 to be used as a gas suction (exhaust) path; so When the user does not need a spray gun with a suction function, it is only necessary to detach the second cover 4 from the second conducting pipe 32 of the connecting seat 3; and when the user needs to use a spray gun with a suction function, Connect the second cover 4 to the second conducting pipe 3 of the connecting seat 3 2 can be combined to achieve no need to disassemble the first cover 23, providing users with convenience and quick change of the air extraction or non-air extraction function of the spray gun.

Claims (8)

A spray gun device includes: a spray gun handle provided with an air inlet end and an air outlet end; a spray gun tube body communicating with the air outlet end of the spray gun handle; one end of the spray gun body is provided with a first connection portion and The other end is provided with a second connecting portion. The second connecting portion is combined with a first cover body. The spray gun tube body is provided with a rotating mechanism inside the rotating mechanism. The rotating mechanism is connected with a hollow tube body. An end connected to the rotating mechanism extends outside the spray gun body and is located in the first cover body, and a spray pipe is passed through the spray gun body, and the suction pipe is passed through the hollow pipe body and the spray gun pipe. It is characterized in that a connection seat is connected between the spray gun handle and the spray gun body, and the connection seat includes a first conduction pipe and a second conduction pipe, and one end of the first conduction pipe is provided with a fourth connection. A fifth connection portion is provided at the other end of the nozzle portion, and a sixth connection portion is provided between the fourth connection portion and the fifth connection portion. The fourth connection portion is connected to the air outlet end of the handle of the spray gun. Fifth connection The first connection portion of the spray gun tube body is connected, so that the spray gun handle, the first conduction pipe, and the spray gun pipe body are connected and used as an output path of a gas, and the second conduction pipe is provided on the first conduction pipe. It is external to the tube and is not in communication with the first conduction tube. The second conduction tube is provided with a seventh connection portion at one end and an eighth connection portion at the other end, and the eighth connection portion faces the same direction as the fifth connection portion. And surrounds the outside of the fifth connection portion, and the eighth connection portion is combined with a second cover, the second cover is sleeved on the outside of the spray gun tube body and the first cover, so that the second cover The body is connected to the second conducting pipe and is used for conducting a gas suction path. The spray gun device according to claim 1, wherein one end of the first cover is provided with a third connection portion and an opening that is expanded at the other end, and the third connection portion is combined with the second connection portion, so that the first A cover is located at the front end of the gun body. The spray gun device according to claim 1, wherein a rotating collar is sleeved on the outside of the seventh connection portion of the second conduction pipe, so that the rotation collar is rotated outside the seventh connection portion, and the seventh connection portion is further advanced. A connecting pipe is connected to the part, and the connecting pipe is sleeved on the rotating collar. The spray gun device according to claim 1, wherein the second cover is provided with a ninth connection portion at one end and an opening portion at the other end, and the ninth connection portion is combined with the eighth connection portion of the connection seat, And the diameter of the second cover is larger than the diameter of the spray gun tube and the first cover, so that the second cover is relatively sleeved on the outside of the spray gun tube and the first cover. The spray gun device according to claim 1, comprising a solution storage barrel, the solution storage barrel is provided with a connection joint, the connection joint is connected with the sixth connection portion of the connection base, and the connection joint is provided with a regulating valve. The spray gun device according to claim 5, wherein the suction pipe passes through the hollow tube body, the rotating mechanism, the spray gun tube body, and the first conduction pipe in order, and the sixth connection part of the first conduction pipe After being put out, the connection joint is put through and placed in the solution storage barrel. The spray gun device according to claim 1, wherein the outlet end of the handle of the spray gun is connected to an external air compressor, and when a gas is sent from the outlet end of the handle of the spray gun, the gas sequentially passes through the first conducting pipe of the connection seat. The tube body of the spray gun is finally sprayed by the hollow tube body; when the gas passes through the tube body of the spray gun, the rotating mechanism is driven by the gas to rotate, and the hollow tube body is driven to rotate by the rotating mechanism. The spray gun device according to claim 3, wherein the connection pipe is connected to an external air extraction device, and when the external air extraction device is activated, an air-inspiring state is formed around the opening of the second cover, and the inhaled gas passes through The second cover body and the second conduction pipe of the connection seat are sucked into the external air extraction device.