TWM472561U - Flexible rotational spray gun - Google Patents

Description

Flexible swirling spray gun

The present invention relates to a swirling spray gun, and more particularly to a flexible swirling spray gun.

FIG. 1 is a view showing the appearance of a conventional swirling spray gun. The conventional rotary spray gun generally includes a grip 410, a transfer tube 420 connected to the air outlet of the grip, a swing bend 430 disposed at the outlet of the transfer tube 420, and a liquid pot connecting the transfer tube 420. 440, the liquid kettle 440 has a water conduit that extends along the interior of the transfer tube 420 to the interior of the swing bend 430. The air inlet of the grip 410 is input to the outside high-pressure air, and when the high-pressure air is sent to the transmission pipe 420, the water inside the liquid kettle 440 is taken out by the Venturi effect, and mixed with the high-pressure air at the swirling pipe 430 and outward. ejection. The swirling pipe 430 is provided with a weighting pipe or an eccentric configuration. When the high-pressure air is sent to the turning pipe 430, the turning pipe 430 is rotated back to expand the spraying of the water and the high-pressure air. The area is used to clean an object to be cleaned, for example to clean a vehicle.

However, the above-mentioned conventional swirling spray gun or other conventional swirling spray gun has a high-pressure air fixed from the grip 410 to the direction of the curve of the swing bend 430, that is, the direction of the transfer tube 420 is fixed. Unable to be adjusted. This is extremely inconvenient for the cleaning of parts that are narrow in space and located deep inside the vehicle. That is, the conventional rotary spray gun has no tube due to its The method is bent and adjusted to avoid the blocking of the external parts of the vehicle, so that the internal parts of the vehicle cannot be effectively cleaned. Therefore, the application of the conventional swirling spray gun is not good.

The present invention provides a flexible swirling spray gun that can be bent without being limited by space.

According to an aspect of the present invention, a flexible rotary spray gun is provided, comprising a grip unit, a conveying unit and a rotating unit, wherein the conveying unit is disposed between the grip unit and the swing unit; The conveying unit comprises: a first connecting pipe having a first pipe body and a first connecting port and a second connecting port at the two ends of the first pipe body, wherein the first connecting port is connected to the grip unit a flexible coil having a flexible tubular body and a first connecting head and a second connecting end at the two ends of the flexible tubular body, the first connecting head being connected to the first connecting body a second connecting port of the connecting pipe; a second connecting pipe having a second pipe body and a first connecting end and a second connecting end at the two ends of the second pipe body, wherein the first connecting end group is connected to the second connecting end a second connecting head of the flexible flexible tube; a conveying pipe having a conveying pipe body and an engaging end and an open end at the two ends of the conveying pipe body, the engaging end group being connected to the second connecting end of the second connecting pipe a first inlet head having a first joint and a communication a first water inlet and a first water outlet, the first joint portion is disposed on the first pipe body of the first connecting pipe; and the second water inlet head has a second joint portion and a second water inlet port communicated with a second water outlet, the second joint portion is disposed in the second pipe body of the second connecting pipe; a first water pipe, the two ends of which are respectively arranged to be connected to the first water inlet head a second water inlet of the nozzle and the second inlet head; and a second water delivery pipe, the second water outlet connected to the second water inlet head is arranged, and extends along the inside of the second pipe body and the conveying pipe body To the swing unit. According to the bendability of the spray gun in the section of the flexible coil, the spray gun can be bent and adjusted to avoid the blocking of the relevant parts, and the machine located deep inside can be effectively cleaned.

According to an embodiment of the present invention, the first connecting end of the second connecting pipe is provided with a connecting pipe member, and the second connecting end of the flexible flexible pipe is assembled to the first connecting end of the second connecting pipe via the connecting pipe member. The convenience of the second connecting tube and the flexible flexible tube for manufacturing and assembly is provided.

According to an embodiment of the present invention, the second connecting end of the second connecting pipe is provided with an opening cover covering the outside of the conveying pipe and the rotating unit. In order to avoid the back-rotation of the rotating unit to touch other objects, to avoid damage to the rotating unit and other objects.

According to an embodiment of the present invention, the first water inlet of the first water inlet head is connected to a water supply device via a conduit, and the conduit is provided with a control valve having a control button, and the conduit is connected to the first water inlet via the control valve. Used to control and supply water to the first inlet.

According to an embodiment of the present invention, the water supply device is a liquid kettle having a screw cap at the top thereof, the screw cap being provided with a control valve extending to an inner bottom of the liquid kettle. Accordingly, a water supply device that is simple and easy to operate and control is provided.

According to an embodiment of the present invention, the grip unit includes a valve seat, an air inlet and an air outlet disposed at the valve seat and communicating with the air outlet, and controlling the A trigger for the air outlet or not. A high pressure air is supplied and controlled to the delivery unit.

According to an embodiment of the present invention, the swirling unit comprises: at least two bearings spaced apart from the outer circumference of the conveying pipe body; at least one spacer ring covering the outer circumference of the conveying pipe body and interposed between the two bearings; The firmware is screwed on the open end of the conveying pipe; a casing is sleeved on the outer circumference of the two bearings and the spacer ring, the casing has an outer port; and a convoluted elbow is arranged to connect the outer port of the casing, And the second water pipe extends through the inside of the screw to the inside of the swing bend. The casing and the convoluted elbow are rotated relative to the conveying pipe body.

100‧‧‧ grip unit

110‧‧‧ valve seat

120‧‧‧ inlet

130‧‧‧ gas outlet

140‧‧‧ trigger

200‧‧‧Conveying unit

210‧‧‧First connecting pipe

211‧‧‧First tube

212‧‧‧ first connection

213‧‧‧second connection

220‧‧‧Flexible coil

221‧‧‧Flexible pipe body

222‧‧‧First connector

223‧‧‧second connector

230‧‧‧Second connection tube

231‧‧‧Second body

232‧‧‧First connection

233‧‧‧second connection

234‧‧‧Connected fittings

240‧‧‧ delivery tube

241‧‧‧Transport body

242‧‧‧ joint end

243‧‧‧Open end

250‧‧‧First intake head

251‧‧‧ first joint

252‧‧‧first water inlet

253‧‧‧ first outlet

254‧‧‧ catheter

255‧‧‧Water supply device (liquid pot)

256‧‧‧Control valve

257‧‧‧Control button

258‧‧‧ screw cap

Bottom of 259‧‧

260‧‧‧Second inlet head

261‧‧‧Second joint

262‧‧‧Second water inlet

263‧‧‧Second outlet

270‧‧‧First water pipe

280‧‧‧Second water pipe

290‧‧‧Open cover

300‧‧‧ gyro unit

310‧‧‧ bearing

320‧‧‧ spacer ring

330‧‧‧Spiral firmware

340‧‧‧ casing

341‧‧‧External port

350‧‧‧ gyro

410‧‧‧ grip

420‧‧‧Transmission tube

430‧‧‧ gyro

440‧‧‧Liquid pot

Fig. 1 is a perspective view showing a conventional one-rotation spray gun.

2 is an external view showing a flexible swirling spray gun according to an embodiment of the present invention.

Fig. 3 is an exploded view showing the flexible swirling spray gun shown in Fig. 2.

Fig. 4 is an enlarged exploded view showing a portion A of the flexible swirling spray gun shown in Fig. 3.

Fig. 5 is a schematic cross-sectional view showing the flexible swirling spray gun shown in Fig. 2.

Fig. 6 is an enlarged view showing a portion B of the flexible swirling spray gun shown in Fig. 5.

Figure 7 is a diagram showing the flexible swirling spray gun shown in Figure 5, where C A magnified view of the department.

Fig. 8 is a schematic view showing the use of the flexible swirling spray gun shown in Fig. 2.

The above and other technical contents, features and effects of the present invention will be apparent from the following detailed description of embodiments with reference to the drawings.

Referring to FIGS. 2-7, the flexible swirling spray gun according to an embodiment of the present invention includes a grip unit 100, a conveying unit 200 and a swirling unit 300.

The grip unit 100 includes a valve seat 110, an air inlet 120, an air outlet 130 and a trigger 140. The air inlet 120 and the air outlet 130 are respectively disposed at two different ports of the valve seat 110 and communicate with each other. The air inlet 120 can be connected to an external high-pressure gas source (not shown), for example, to an air compressor, and the air compressor supplies a high-pressure air to the air inlet 120 of the grip unit 100. The trigger 140 is disposed on the air passage of the valve seat 110 for controlling the air outlet of the air outlet 130.

The transport unit 200 is disposed between the grip unit 100 and the swing unit 300. The conveying unit 200 includes a first connecting pipe 210, a flexible coil 220, a second connecting pipe 230, a conveying pipe 240, a first inlet head 250, a second inlet head 260, and a first input. The water pipe 270, a second water pipe 280 and an opening cover 290.

The first connecting tube 210 has a first tube body 211 and a first connecting port 212 and a second connecting port 213 at opposite ends of the first tube body. The first connecting port 212 is configured to be connected to the air outlet 130 of the grip unit 100 in a threaded manner.

The flexible flexible tube 220 has a flexible tube body 221 of a moderate length and a first connecting head 222 and a second connecting head 223 at both ends of the flexible tube body. The first connecting head 222 is configured to be connected to the second connecting port 213 of the first connecting pipe 210 by screwing.

The second connecting tube 230 has a second connecting body 231 and a first connecting end 232 and a second connecting end 233 at opposite ends of the second tube. Moreover, the first connecting end 232 of the second connecting tube 230 is provided with a connecting tube 234, and the second connecting head 223 of the flexible flexible tube 220 is screwed into the second connecting tube 230 via the connecting tube 234. A connection end 232. The connecting tube 234 can provide convenience in fabrication and assembly of the second connecting tube 230 and the flexible flexible tube 220.

The conveying pipe 240 has a conveying pipe body 241 and an engaging end 242 and an opening end 243 at both ends of the conveying pipe body. The engaging end 242 is configured to be connected to the second connecting end 233 of the second connecting pipe 230 by screwing. Therefore, the high-pressure air supplied from the outside can be sent to the delivery pipe 240 via the air outlet 130, the first connecting pipe 210, the flexible coil 220, and the second connecting pipe 230.

The first water inlet head 250 has a first joint portion 251 and a first water inlet 252 and a first water outlet 253. The first joint portion 251 is assembled to the first tubular body 211 of the first connecting pipe 210. The first water inlet 252 is connected to a water supply device 255 via a conduit 254. In the embodiment of the drawings, the water supply unit 255 is a liquid jug 255 filled with water. The conduit 254 extends to the liquid The inner bottom 259 of the body pot 255 draws the water inside the liquid jug 255. The water supply device can also be an external water source that is delivered via a water pipe to provide a longer supply of water.

The conduit 254 of the first inlet head 250 is provided with a control valve 256 having a control button 257 via which the conduit 254 is communicated to the first water inlet 252, and the control valve 256 is used to control the first inlet water. The water supply to the head 250 is not. A screw cap 258 is provided on the top of the liquid jug 255 to cover the top opening of the liquid jug 255. The screw cap 258 is provided with the above-described control valve 256 to facilitate the control operation of the water supply.

The second water inlet head 260 has a second joint portion 261 and a second water inlet 262 and a second water outlet 263. The second joint portion 261 is assembled to the second tubular body 231 of the second connecting pipe 230.

Both ends of the first water delivery pipe 270 are respectively connected with a first water outlet 253 communicating with the first water inlet head 250 and a second water inlet 262 of the second water inlet head 260. The second water delivery pipe 280 is provided with a second water outlet 263 that communicates with the second water inlet head 260 and extends along the interior of the second pipe body 231 and the conveying pipe body 241 to the swirling unit 300. Therefore, the liquid liquid supplied by the liquid jug 255 is via the conduit 254, the control valve 256, the first water outlet 253 of the first water inlet head 250, the first water delivery pipe 270, and the second water outlet of the second water inlet head 260. 263. The second water delivery pipe 280 is sent to the swirling unit 300.

The opening cover 290 is a flared opening cover, and the second connecting end 233 of the second connecting pipe 230 is assembled by screwing and covers the outside of the conveying pipe 240 and the swirling unit 300. The opening cover 290 is used to protect the rotating unit 300, and to avoid the rotating unit of the rotating unit during use. 300 touches other objects to avoid damage to the gyratory unit 300 and other objects.

The swing unit 300 includes two bearings 310, a spacer ring 320, a screw 330, a sleeve 340, and a swirling tube 350. The two bearings 310 are circumferentially covered on the outer circumference of the conveying pipe body 241. The spacer ring 320 is sleeved on the outer circumference of the conveying pipe body 241 and interposed between the two bearings 310 to prevent the two shafts from colliding with each other. The screw member 330 is screwed to the open end 243 of the conveying pipe 240 to prevent the bearing 310 and the spacer ring 320 from coming off. The sleeve 340 is overlaid on the outer circumference of the two bearings 310 and the spacer ring 320 such that the sleeve 340 can be rotated relative to the delivery tube body 241. The sleeve 340 has an outer port 341, and the swing bend 350 is assembled to communicate with the outer port 341 of the sleeve 340 to be rotatable integrally with the sleeve 340. The second water delivery pipe 280 extends to the inside of the swing bend 350 via the interior of the screw 330.

According to the flexible rotary spray gun of the embodiment of the present invention, after the air inlet 120 of the grip unit 100 is input into the high-pressure air of the outside, the high-pressure air will continue to pass through the air outlet 130, the first connecting pipe 210, and the flexible The flexible coil 220 and the second connecting tube 230 are transported to the conveying pipe 240, and the water inside the liquid pot 440 is sequentially passed through the first inlet head 250, the first water delivery pipe 270, and the second water inlet by the Venturi effect. The head 260 and the second water delivery pipe 280 are scooped out and mixed with the high pressure air at the swirling bend 350 and ejected outward. At the same time, according to the eccentric configuration of the swing bend 350 and the rotatability of the sleeve 340 to which it is connected, when the high pressure air is delivered to the swing bend 430, the sleeve 340 and the swing bend 350 are rotated back to Expanding the spray area of the above mixture of water and high pressure air, and cleaning a cleaned object Such as vehicles.

Referring to FIG. 8 together, the flexible rotary spray gun according to an embodiment of the present invention is mainly provided with a flexible structure on the conveying path of the high-pressure air, that is, the first in the spray gun. A flexible flexible tube 220 is disposed between the connecting tube 210 and the second connecting tube 230, and is disposed on the first inlet head 250 and the second inlet head 260 of the first connecting tube 210 and the second connecting tube 230, respectively. The first water delivery pipe 270 is also a flexible member. Therefore, the spray gun of the present invention can be bent and adjusted in the section of the flexible flexible tube 220 to avoid the blocking of the external parts related to the object to be cleaned, and the swing bend 350 can be inserted into the deep part of the object to be cleaned. The internal parts effectively clean the internal parts located in the depth, and the applicability is good.

Although the present invention is disclosed in the above embodiments, it is not intended to limit the present invention. Any one skilled in the art can make various modifications and retouchings without departing from the spirit and scope of the present invention. It is subject to the definition of the scope of the patent application attached.

100‧‧‧ grip unit

200‧‧‧Conveying unit

210‧‧‧First connecting pipe

220‧‧‧Flexible coil

230‧‧‧Second connection tube

234‧‧‧Connected fittings

240‧‧‧ delivery tube

250‧‧‧First intake head

255‧‧‧Water supply device (liquid pot)

256‧‧‧Control valve

260‧‧‧Second inlet head

270‧‧‧First water pipe

300‧‧‧ gyro unit

340‧‧‧ casing

350‧‧‧ gyro

Claims (8)

A flexible rotary spray gun comprising a grip unit, a transport unit and a rotary unit, the transport unit being disposed between the grip unit and the rotary unit; wherein the transport unit comprises: The first connecting tube has a first tube body and a first connecting port and a second connecting port at the two ends of the first tube body, and the first connecting port is configured to communicate with an air outlet of the grip unit a flexible flexible tube having a flexible tube body and a first connector and a second connector at opposite ends of the flexible tube body, the first connector group being connected to the first connector a second connecting port; a second connecting pipe having a second pipe body and a first connecting end and a second connecting end at the two ends of the second pipe body, wherein the first connecting end group is connected to the a second connecting head of the flexible flexible tube; a conveying pipe having a conveying pipe body and an engaging end and an opening end at both ends of the conveying pipe body, wherein the engaging end group is connected to the second connecting pipe a second connecting end; a first water inlet head having a first joint portion and a communicating portion a first water inlet and a first water outlet, the first joint portion is disposed on the first pipe body of the first connecting pipe; a second water inlet head has a second joint portion and a second joint communicating a water outlet and a second water outlet, the second joint portion is disposed on the second pipe body of the second connecting pipe; a first water pipe, the two ends of the first water pipe are respectively connected to the first pipe a first water outlet of the water head and a second water inlet of the second water inlet; a second water delivery pipe is disposed to communicate with the second water inlet of the second water inlet head, and extends to the rotating unit along the second pipe body and the interior of the conveying pipe body. The flexible whirlpool spray gun of claim 1, wherein the first connecting end of the second connecting pipe is provided with a connecting pipe member, and the second connecting head of the flexible flexible pipe is assembled to the second connecting pipe via the connecting pipe member The first connection end of the two connecting tubes. The flexible whirlpool spray gun of claim 1, wherein the second connecting end of the second connecting pipe is provided with an opening cover covering the conveying pipe and the outside of the rotating unit. The flexible swirling spray gun of claim 3, wherein the open cover is a flared open cover. The flexible swirling spray gun of claim 1, wherein the first water inlet of the first water inlet is connected to a water supply device via a conduit, and the conduit is provided with a control valve having a control button. A conduit is communicated to the first water inlet via the control valve. The flexible swirling spray gun of claim 5, wherein the water supply device is a liquid jug, the top of the liquid jug is provided with a screw cap, the screw cap is provided with the control valve, and the conduit extends to the liquid jug One inside the bottom. The flexible whirlpool spray gun of claim 1, wherein the grip unit comprises a valve seat, an air inlet and a gas passage connected to the valve seat and communicating with the air outlet, and controlling whether the air outlet is ventilated or not A trigger. The flexible whirlpool spray gun of any one of Claims 1 to 7, wherein the gyro unit comprises: at least two bearings spaced apart from the outer circumference of the conveying pipe body; at least one spacer ring, covering On the outer circumference of the conveying pipe body, and between the two Between the bearings; a screw, the screw is disposed at the open end of the conveying pipe; a sleeve covering the outer periphery of the two bearings and the spacer ring, the sleeve has an outer port; and a convolute pipe, the group An outer port is provided in communication with the sleeve, and the second water conduit extends through the interior of the screw to the interior of the swing bend.