CN211592503U - Rotary spray head structure of cleaning gun - Google Patents

Abstract

The utility model provides a rotatory nozzle structure of washing rifle, it contains: a cleaning gun, wherein a flow channel is arranged between an inlet and an outlet of a gun body; the flow guide piece is connected with the outlet of the flow passage; a rotating part, in which a conical flow passage is arranged, and a section of a Venturi hose is arranged in the conical flow passage; the outer cover is connected to the front end of the gun body, a nozzle is arranged inside the outer cover, and the outer cover and the flow guide piece form a movable space together; by means of the movable space for accommodating the rotating part, when high-pressure fluid flows out of the flow passage outlet, the rotating part can be actuated to rotate, and the cleaning fluid is led out by the Venturi hose to be sprayed out in a rotary mode, so that the spraying and cleaning effects of rotary flapping, concentration and no blind area are achieved.

Description

Rotary spray head structure of cleaning gun

Technical Field

The utility model relates to a technical field of high pressure cleaning rifle indicates especially the rotatory nozzle structure of cleaning rifle.

Background

Generally, when a car runs on a road, dust and mud are adhered inevitably, so that the car must be cleaned after running for a period of time to keep the car clean; therefore, manufacturers have developed a rotary nozzle of a cleaning gun as shown in fig. 13, in which a cleaning liquid in a container is sucked out through a venturi tube 7 by a high-pressure fluid, and the high-pressure fluid causes the front end of the venturi tube 7 to rotate, so that the cleaning liquid is mixed with the high-pressure fluid and then sprayed out through a horn housing 8, thereby obtaining a cleaning liquid with a large area range and impulsiveness, such as the cleaning gun of this type disclosed in TWM486493 of taiwan patent; however, in this type of cleaning gun, since the outlet 71 of the venturi tube 7 is rotated excessively, a dead zone 9 without a spray range is generated as shown in fig. 13.

In addition, U.S. Pat. No. US9751098B2 discloses a bearing is added to the outlet 71 of the venturi tube 7 to prevent the blind zone 9 from being generated due to the over-large rotation range of the outlet 71, however, the components of the bearing are complicated, and the manufacturing cost of the cleaning gun is increased; furthermore, the container of a conventional cleaning gun is usually fastened to the gun body and cannot be adjusted, and the container interferes with the cleaning operation if a narrow space is encountered.

SUMMERY OF THE UTILITY MODEL

Therefore, in view of the problems of the conventional cleaning gun, the utility model discloses a rotating nozzle structure of cleaning gun is thought to be developed with poor thought, so the utility model mainly aims at: providing a rotary spray head structure capable of uniformly spraying a strong water column in a large area; the utility model discloses a secondary aim at: providing a cleaning gun which is provided with a rotary spray head structure and a deflection container; another object of the utility model is to: has a plurality of functions.

The utility model discloses a reach above-mentioned purpose, utilized following technical means:

about the utility model relates to a rotatory nozzle structure of washing rifle, it contains: a cleaning gun, which is provided with an inlet and an outlet by a gun body, wherein the outlet is arranged at the front end of the gun body, and a flow passage is arranged between the inlet and the outlet; a flow guiding piece connected to the outlet of the flow channel, with a protrusion on the front end, and a lateral flow hole connected to the flow channel; a rotating part, in which a conical flow passage is arranged, and a section of a Venturi hose is arranged in the conical flow passage, and the front end of the rotating part is provided with a spherical head, and the periphery of the rotating part is provided with a plurality of blades or high-low concave-convex parts; the outer cover is connected to the front end of the gun body, a nozzle is arranged in the outer cover, a ball socket is formed on the inner side of the nozzle, and the outer cover and the flow guide piece form a movable space together; the movable space is used for accommodating the rotating piece, the spherical head of the rotating piece is sleeved on the ball socket of the outer cover, and the conical flow passage of the rotating piece is sleeved on the protruding part of the flow guide piece to form two supporting points; when the high-pressure fluid flows through the lateral flow hole of the flow guiding element from the flow passage, a force (P1) is formed after entering from the side of the movable space to impact the blades or the high-low concave-convex parts on the periphery of the rotating element, so that the rotating element rotates by taking the two supporting points as the center; the high pressure fluid then flows from the conical channel of the rotor creating another force (P2) and the rotor continues to rotate because the P1 force is greater than the P2 force.

The middle section of the flow passage is provided with a suction inlet, the suction inlet is connected with a switch valve, the switch valve is connected with a container, the Venturi hose is arranged to extend from the container to the outlet, and the flow passage between the inlet and the suction inlet is provided with a trigger valve.

The suction inlet is provided with a pivoting seat which provides the container with transverse deflection, and the pivoting seat is composed of a three-way piece and two leakage-stopping pieces, wherein the three-way piece is internally provided with a horizontal channel and a vertical channel to form a T-shaped three channel, the horizontal channel is sleeved at the middle section of the gun body, and the leakage-stopping piece is arranged at the middle section of the gun body corresponding to the horizontal channel; the vertical channel is the suction inlet connected with the switch valve of the container.

Wherein a throttle valve is provided in the flow passage adjacent to the rear end of the trigger valve.

The front end side of the outer cover is provided with a horn mouthpiece.

The outer cover and a dust blowing pipe are integrally formed, the front end of the dust blowing pipe is provided with a large horn blowing opening, the rear end of the dust blowing pipe is connected with a frame body, and the frame body is pivoted on a combination seat of the gun body; the frame body is formed by bending a long line body integrally so as to provide a pivot hole for the frame body to be pivoted with the combination seat of the gun body; and the joint of the frame body and the dust blowing pipe is provided with a wave surface, so that the frame body can be combined with the wave surface.

The conical flow passage of the rotating member forms an inner volume (V1), and the movable space forms an outer volume (V2), and the outer volume is larger than the inner volume.

The utility model discloses utilize above-mentioned technical means, can reach following efficiency:

1. the utility model discloses an utilize this dustcoat and this water conservancy diversion piece to form a activity space jointly, and this activity space provides this rotating member holding, when export from this runner and this water conservancy diversion piece water conservancy diversion play high-pressure fluid, can actuate the blade or the concave convex part of height of this rotating member, let after this rotating member beat gets into its tapered runner after rotatory, rely on this venturi tube to draw forth the cleaning solution in this container simultaneously, then with rotation type blowout high-pressure cleaning solution, reach to convolute and pat, concentrate and the cleaning performance that sprays of non-blind area.

2. The utility model adds a pivot seat at the suction inlet of the gun body, so as to provide the container, and the container can relatively deflect from the gun body, thereby facilitating the adjustment of the container at a proper position without interfering with the cleaning operation.

3. The utility model discloses rotatory nozzle can make with a blowing dirt pipe or a foam ware and combine, and then produces the effect of spray rinsing and dust absorption or foam high-pressure cleaning solution simultaneously.

Drawings

Fig. 1 is an external view of the cleaning gun and the rotary nozzle of the cleaning gun of the present invention.

Fig. 2 is an exploded view of the cleaning gun and its rotary nozzle of the present invention.

Fig. 3 is a sectional view of the cleaning gun of the present invention.

Fig. 4 is a schematic view of the assembly section and the operation of the rotary nozzle of the present invention.

Fig. 5 is another schematic diagram of the rotary nozzle of the present invention.

Fig. 6 is a cross-section a-a of fig. 4, showing the rotation of the rotary member in a clockwise direction.

Fig. 7 is an exploded view of the pivot mount of the present invention.

Fig. 8 is a schematic view of the present invention with a pivot seat.

Fig. 9 is an external view of the dust blowing pipe of the present invention.

Fig. 10 is a sectional view of a combination of a cleaning gun incorporating the rotary nozzle and a dust blowing pipe of the present invention.

Fig. 11 is an external view of the foam maker of the present invention.

Fig. 12 is an assembled cross-sectional view of the cleaning gun of the present invention in combination with a foam maker.

Fig. 13 is a schematic sectional view of a spin head of a general conventional cleaning gun.

Description of reference numerals: [ the utility model ] a rotary spray head A; a soil surface B; a dust bag C; a cleaning gun 1; a gun body 10; an inlet 11; an outlet 12; a flow channel 13; a pivot base 14; a suction inlet 140; a three-way member 141; a leak stop 142; a horizontal channel 143; a vertical channel 144; a container 15; an on-off valve 151; a venturi hose 16; a trigger valve 17; a throttle valve 18; a coupling seat 19; a pivot hole 191; a flow guide member 2; a projection 21; a lateral flow aperture 22; a rotating member 3; a tapered flow passage 31; a ball head 32; the blades 33; a housing 4; a nozzle 41; a ball and socket 42; an activity space 43; a gap 430; a horn mouthpiece 44; a dust blowing pipe 5; a channel 50; an interface 501; a large horn mouthpiece 51; a frame body 52; a wavy surface 53; a foam maker 6; a spout 61; a siphon connection 62; a support point X and a support point Y; an internal volume V1; an outer volume V2; [ Prior Art ] Venturi hose 7; an ejection port 71; a horn housing 8; blind area 9.

Detailed Description

The utility model relates to a rotatory nozzle structure of washing rifle, as shown in fig. 1, be the most used inside and outside that can provide and wash the vehicle with large tracts of land scope and powerful clean water column, and the utility model discloses rotatory nozzle A is installed in the front end of this washing rifle 1, and the entry of this body of a gun 10 then connects high-pressure fluid's source, and one very much carries, and the above-mentioned high-pressure fluid that indicates high pressure water, high-pressure cleaning solution or highly-compressed air etc. and the department of establishing that connects of any component all is equipped with the leak-stopping component to reach the effect of leak-stopping.

As shown in fig. 2 and 3, the cleaning gun 1 has a gun body 10 having an inlet 11 and an outlet 12, the inlet 11 is provided with a joint and connected to a high-pressure source, the outlet 12 is provided at the front end of the gun body 10 and provided with the rotary nozzle a, and a flow channel 13 is provided between the inlet 11 and the outlet 12; a suction inlet 140 is disposed at the middle section of the flow channel 13, a container 15 for containing cleaning liquid is disposed at the suction inlet 140, and a switch valve 151 is disposed on the container 15 for closing the supply of cleaning liquid; one end of a Venturi hose 16 is sunk into the switch valve 151 of the container 15, and the other end of the Venturi hose 16 extends into the rotary joint A; a trigger valve 17 is disposed in the flow passage 13 between the inlet 11 and the suction port 140, the trigger valve 17 controls the flow of the high pressure fluid into and out of the flow passage 13, and a throttle valve 18 is disposed in the flow passage 13 adjacent to the rear end of the trigger valve 17 to regulate the flow of the high pressure fluid.

The rotary nozzle a, as shown in fig. 2, 4 and 5, further comprises: a flow guiding member 2, a rotating member 3 and a housing 4; the flow guiding element 2 is connected to the outlet 12 of the flow channel 13, the front end of the flow guiding element 2 is provided with a protruding part 21, the flow guiding element 2 is provided with a lateral flow hole 22, the lateral flow hole 22 is communicated with the outlet 12 of the flow channel 13, and the lateral flow hole 22 is provided with high-pressure fluid for guiding the outlet 12; a conical flow passage 31 is arranged in the rotating member 3, the conical flow passage 31 forms an inner volume V1, the front end of the venturi tube 16 extends from the flow passage 13 at the outlet 12, penetrates through the flow guide member 2, is positioned in the conical flow passage 31, the front end of the rotating member 3 is provided with a spherical head 32, and a plurality of blades 33 or high-low concave parts are arranged around the outer periphery of the rotating member 3; further, the cover 4 is connected to the front end of the gun body 10, a nozzle 41 is disposed inside the cover 4, a ball socket 42 is formed inside the nozzle 41, the ball socket 42 provides a ball head 32 for accommodating the rotating member 3, a movable space 43 is formed inside the cover 4 and the air guide member 2, the movable space 43 forms an outer volume V2, and a horn blowing opening 44 is formed outside the front end of the cover 4.

Further, as shown in fig. 4 and 5, by accommodating the rotating element 3 in the moving space 43 of the outer cover 4, that is, by closely contacting the ball head 32 of the rotating element 3 with the ball socket 42 of the outer cover 4, the tapered channel 31 of the rotating element 3 is sleeved on the protrusion 21 of the flow guide 2, so as to form a supporting point X and a supporting point Y for supporting the rotating element 3, and the rotating element 3 is only deflected and does not move axially; when the flow channel 13 delivers high pressure fluid (as indicated by the arrow in fig. 4 and 5), the lateral flow hole 22 of the flow guiding member 2 guides the high pressure fluid to enter from the side of the active space 43 and then form a P1 force in the outer volume V2 to impact the blades 33 on the periphery of the rotating member 3, so that the rotating member 3 rotates around the spherical head 32 and the ball socket 42, as shown in fig. 6, during the rotation of the rotating member 3, the conical flow channel 31 and the protrusion 21 of the flow guiding member 2 form a gap 430, and when the force application P1 of the high pressure fluid actuates the rotating member 3, the high pressure fluid flows into the inner volume V1 of the conical flow channel 31 of the rotating member 3 from the gap 430 to form a P2 force, because the outer volume V2 is larger than the inner volume V1, the P1 force is larger than the P2 force, and the rotating member continues to rotate, after the cleaning liquid in the container 15 is sucked and mixed with the high-pressure fluid by continuously vacuumizing from the opening of the venturi hose 16, the high-pressure cleaning liquid is sprayed out in a rotary large-area manner from the nozzle 41 of the outer cover 4 to the conical blowing opening 44 of the outer cover 4, so that the spraying and cleaning effects of whirling, beating and concentrating without blind areas are achieved.

Further, the cleaning gun 1 with the rotary nozzle a of the present invention can add a pivot seat 14 at the suction port 140 of the gun body 10, as shown in fig. 7, 8 and 12, and the pivot seat 14 provides the container 15 with a lateral deflection function relative to the gun body 10, in this embodiment, the maximum range of the container 15 capable of deflecting left and right is 45 degrees; the pivot seat 14 is composed of a three-way member 141 and two leakage-stopping members 142, wherein the three-way member 141 is mainly composed of a horizontal channel 143 and a vertical channel 144 to form a T-shaped three-channel, wherein the horizontal channel 143 is sleeved at the middle section of the gun body 10, i.e. the leakage-stopping members 142 are arranged at the periphery of the gun body 10 at the middle section to provide the leakage-stopping effect of the two ends of the horizontal channel 143; the bottom of the vertical channel 144 is the suction inlet 140, and the suction inlet 140 is connected to the on-off valve 151 of the container 15.

As shown in fig. 9 and 10, the rotary nozzle a of the present invention is combined with a dust blowing pipe 5, i.e. a channel 50 is disposed in the dust blowing pipe 5, and a connector 501 is disposed at the rear end of the channel 50, and the connector 501 can be connected to a dust bag, so that the dust blowing pipe 5 can provide functions of spraying and cleaning and dust collection in cooperation with the cleaning gun 1; in other words, the bell mouth 44 of the outer cover 4 and the bell mouth of the dust blowing pipe 5 of the rotary nozzle a are integrally formed to form a large bell mouth 51, and a frame body 52 is connected to the middle section of the dust blowing pipe 5, and the frame body 52 is formed by integrally bending a long line body, so as to provide the pivot hole 191 pivotally connected to the combining seat 19 of the gun body 10, so as to assist in supporting the dust blowing pipe 5; furthermore, a wave surface 53 is arranged at the joint of the frame body 52 and the dust blowing pipe 1, so that the frame body 52 can be combined with the wave surface 53; particularly, when this function is used, under the condition that the high-pressure fluid is high-pressure air, and the on-off valve 151 of the container 15 needs to be closed, and the large-sized bell mouth 51 is close to the dirt surface B, when the trigger valve 17 is pressed, the dust blown up from the dirt surface B is reflected to flow toward the rear end of the channel 50, so as to be collected in the dust collection bag C.

Referring to fig. 11 and 12, the front end of the body 10 of the cleaning gun 1 and the rotary nozzle a of the present invention can be combined with a foam device 6, but before the body 10 of the cleaning gun 1 is combined with the foam device 6, the venturi tube 16 must be taken out first, and then a siphon joint 62 is installed, so that when the high-pressure fluid flows through the internal flow channel of the pivot 14, the siphon joint 62 will draw the cleaning agent in the container 15 into the flow channel 13, so that when the foam device 6 provides the high-pressure fluid mixed cleaning solution, foam is formed after the cleaning agent is sprayed out; in other words, a foamed cleaning liquid may be provided via the nozzle 61 from the foamer 6.

Claims (9)

1. A rotary sprayer structure of a cleaning gun, comprising:

a cleaning gun, which is provided with an inlet and an outlet by a gun body, wherein the outlet is arranged at the front end of the gun body, and a flow passage is arranged between the inlet and the outlet;

a flow guiding piece connected to the outlet of the flow channel, with a protrusion on the front end, and a lateral flow hole connected to the flow channel;

a rotating part, in which a conical flow passage is arranged, and a section of a Venturi hose is arranged in the conical flow passage, and the front end of the rotating part is provided with a spherical head; and

the outer cover is connected with the front end of the gun body, a nozzle is arranged in the outer cover, a ball socket is formed on the inner side of the nozzle, and the outer cover and the flow guide piece form a movable space together;

the movable space is used for accommodating the rotating piece, the spherical head of the rotating piece is sleeved on the ball socket of the outer cover, and the conical flow passage of the rotating piece is sleeved on the protruding part of the flow guide piece to form two supporting points.

2. The structure of a rotary sprayer head of a cleaning gun as claimed in claim 1, wherein: the periphery of the rotating piece is provided with a plurality of blades or high-low concave-convex parts.

3. The structure of a rotary sprayer head of a cleaning gun as claimed in claim 1, wherein: the middle section of the flow passage is provided with a suction inlet, the suction inlet is connected with a switch valve, the switch valve is connected with a container, the Venturi hose extends from the container to the outlet, and the flow passage between the inlet and the suction inlet is provided with a trigger valve.

4. A rotary spray head structure of a cleaning gun as claimed in claim 3, characterized in that: the suction inlet is provided with a pivoting seat which enables the container to deflect transversely, the pivoting seat is composed of a three-way piece and two leakage-stopping pieces, a horizontal channel and a vertical channel form a T-shaped three channel inside the three-way piece, the horizontal channel is sleeved at the middle section of the gun body, and the leakage-stopping pieces are arranged at the middle section of the gun body corresponding to the horizontal channel; the vertical channel is the suction inlet, and the suction inlet is connected with the switch valve of the container.

5. A rotary spray head structure of a cleaning gun as claimed in claim 3, characterized in that: a throttle valve is disposed in the flow passage adjacent the rear end of the trigger valve.

6. The structure of a rotary sprayer head of a cleaning gun as claimed in claim 1, wherein: the front end side of the outer cover is provided with a horn mouthpiece.

7. The structure of a rotary sprayer head of a cleaning gun as claimed in claim 1, wherein: the outer cover and a dust blowing pipe are integrally formed, the front end of the dust blowing pipe is provided with a large-sized horn blowing opening, the rear end of the dust blowing pipe is connected with a frame body, and the frame body is pivoted on a combination seat of the gun body.

8. The structure of a rotary sprayer head for a cleaning gun according to claim 7, wherein: the frame body is formed by bending a long line body integrally, the frame body is pivoted in a pivot hole of a combining seat of the gun body, and a wave surface is arranged at the combining part of the frame body and the dust blowing pipe, so that the frame body can be combined on the wave surface.

9. The structure of a rotary sprayer head of a cleaning gun as claimed in claim 1, wherein: the conical flow channel of the rotating piece forms an inner volume, the movable space forms an outer volume, and the outer volume is larger than the inner volume.

Images