CN110252535B - Foam, water spray switching device and foam and water spray dual-purpose integrated spray head - Google Patents
Foam, water spray switching device and foam and water spray dual-purpose integrated spray head Download PDFInfo
- Publication number
- CN110252535B CN110252535B CN201910654048.7A CN201910654048A CN110252535B CN 110252535 B CN110252535 B CN 110252535B CN 201910654048 A CN201910654048 A CN 201910654048A CN 110252535 B CN110252535 B CN 110252535B
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- China
- Prior art keywords
- spray
- gun body
- nozzle
- foam
- caliber
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Links
- 239000007921 spray Substances 0.000 title claims abstract description 201
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000006260 foam Substances 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000005187 foaming Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 79
- 238000009792 diffusion process Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 25
- 239000007788 liquid Substances 0.000 abstract description 14
- 239000008258 liquid foam Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
- B05B12/04—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery for sequential operation or multiple outlets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
- B05B7/005—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam wherein ambient air is aspirated by a liquid flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S3/00—Vehicle cleaning apparatus not integral with vehicles
- B60S3/04—Vehicle cleaning apparatus not integral with vehicles for exteriors of land vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention relates to a foam, water spray switching device and a foam and water spray dual-purpose integrated spray head.A spray gun body inscribed in the integrated spray head is sleeved in a spray gun body in a sliding manner, two guide pins at the end part of the spray gun body are respectively inserted into two guide grooves, when cleaning liquid is sprayed, a pointer rotates 180 DEG of a spray gun body in the middle, an air suction hole in an air cavity chamber is opened, a spray pump is formed by a spray pump body, the cleaning liquid is sprayed into a dual-caliber spray head through a foaming steel wire column by a spray, and is sprayed from a large-caliber spray nozzle to foam and atomize the cleaning liquid; when high-pressure water is sprayed, the middle jet spray gun body rotates 180 degrees along the pointer, the drainage hole, the annular drainage groove and the high-pressure conversion cavity are communicated, and the high-pressure water is sprayed from the plurality of spray holes and the high-pressure spray nozzle, so that the high-pressure water can be sprayed into the double-caliber spray head in a stable pressure manner, and is sprayed from the small-caliber spray nozzle which is not blocked; the invention can realize the switching between high-pressure water and cleaning liquid foam by rotating the jet spray gun body, thereby simplifying the operation and improving the cleaning efficiency.
Description
Technical Field
The invention relates to the technical field of car washing equipment, in particular to a foam and water spraying switching device
Put foam, the dual-purpose integrative shower nozzle of water spray.
Background
The existing car washing tool mainly comprises a high-pressure water gun and a cleaning fluid spray gun, wherein the cleaning fluid spray gun is used for spraying cleaning fluid on a car body, then workers clean the car body through the cleaning fluid, after cleaning, the high-pressure water gun is used for washing cleaned foam so as to clean the car body, but the cleaning mode needs two spray guns to be used alternately, and the efficiency is low; in addition, the spray heads of the existing spray guns can only spray water columns or fan-shaped water mist and the like, if different spray shapes are required to be switched, different spray heads are required to be replaced, the spray heads are troublesome to operate when replaced, and especially for unattended automatic car washing machines, customers need to carry out self-service car washing, and replacement of the spray heads cannot be achieved, so that car washing effect and car washing efficiency are affected.
Disclosure of Invention
In order to solve the problems, the invention provides a foam, a water spray switching device and a foam,
The water spraying is an integrated spray head.
The technical scheme of the invention is as follows: the utility model provides a foam, water spray auto-change over device, includes inscription spray gun body, efflux spray gun body, its characterized in that: the internal connection spray gun body is integrally a cylinder, a high-pressure channel with a circular section is axially formed in the internal connection spray gun body, an internal thread joint connected with an external pipeline is arranged at the outer end part of the internal connection spray gun body, a plurality of drainage holes penetrating into the high-pressure channel are radially formed in the middle part of the external side of the internal connection spray gun body along the circumference, annular sealing grooves are formed in the two sides of the drainage holes along the circumference, two spiral guide grooves with corresponding sizes are formed in the relative positions of the annular sealing grooves on the external side of the drainage holes and the external surface of the internal connection spray gun body between the internal thread joint, and the rotation angles of the two spiral guide grooves are 180 degrees; the inner side of the annular sealing groove at the inner side of the drainage hole is provided with an annular drainage groove along the circumference of the outer surface of the inscription gun body, a nozzle body is formed between the annular drainage groove and the inner end surface of the inscription gun body, the two end parts of the side surface of the nozzle body are also provided with annular sealing grooves along the circumference, and the middle part of the inner side wall of the annular drainage groove is provided with a plurality of spray holes penetrating through the nozzle body along the circumferential axial direction; a high-pressure nozzle is arranged at the inner end of the high-pressure channel;
The middle jet spray gun body comprises a jet pump body and a sleeve barrel which are connected with each other, the size of the inner joint spray gun body is matched with the size of the inner cavity of the sleeve barrel and is arranged in the sleeve barrel, two symmetrical through holes are radially formed in the barrel wall of the outer end part of the sleeve barrel, guide pins are arranged in the two through holes, the size of the two guide pins is matched with the size of the spiral guide groove, the lower end of the guide pin is inserted into the guide groove to form a spiral sliding pair, a high-pressure conversion cavity is formed in the middle lower part of the inner cavity of the sleeve barrel along the circumference of the inner side wall of the barrel, an air cavity is formed between the high-pressure conversion cavity and the bottom surface of the sleeve barrel, and a plurality of radial air suction holes are formed in the middle part of the side wall of the air cavity along the circumference; the jet pump is characterized in that a mixing chamber and a diffusion chamber which are connected with each other are arranged in the jet pump body, the mixing chamber and the air chamber are correspondingly communicated, and the jet pump is communicated with the outer side of the diffusion chamber.
Preferably, two ends of the two spiral guide grooves are respectively provided with a semicircular positioning groove, and the two semicircular positioning grooves corresponding to each other are positioned on a straight line parallel to the axis.
Preferably, the distance from the drainage hole to the bottom end surface of the nozzle body is smaller than the distance between the outer end surface of the high-pressure conversion cavity and the bottom surface of the air chamber; the distance between the two semicircular positioning grooves which are symmetrical to each other at the inner sides of the two spiral guide grooves and the bottom end of the spray head body is the same as the distance between the guide pin and the outer side edge of the air suction hole; the distance between the two semicircular positioning grooves which are symmetrical to each other at the outer sides of the two spiral guide grooves and the bottom end of the nozzle body is the same as the distance between the guide pin and the bottom surface of the air chamber.
Preferably, the size of the nozzle body inscribing the inner end of the spray gun body is the same as the size of the air cavity chamber inside the middle jet spray gun body, and the positions of the air suction holes and the two annular sealing grooves of the nozzle body are corresponding.
Preferably, the upper end of the jet pump joint is provided with an annular stop block, and an annular sealing groove is formed in the joint of the annular stop block and the jet pump along the circumference.
Preferably, a foam, water spray double-purpose integrative shower nozzle, include foam, water spray auto-change over device, its characterized in that: the spray joint of the middle jet spray gun body is externally connected with a double-caliber spray head which comprises a connecting column body at the inner end, a steel ball sealing body in the middle and a double-caliber spray nozzle at the outer end, wherein a connecting cavity is concentrically arranged in the connecting column body, the spray joint is sleeved in the connecting cavity, a foaming steel wire column is plugged between the spray joint and the bottom surface of the connecting cavity, a through spray channel is axially arranged at the bottom of the connecting cavity, symmetrical steel ball clamping walls are arranged at two sides of the inner end surface of the double-caliber spray nozzle, two symmetrical spray holes penetrating the double-caliber spray nozzle are axially arranged between the two steel ball clamping walls, a large-caliber spray nozzle and a small-caliber spray nozzle are respectively arranged at the outer ports of the two spray holes, two annular sealing gaskets are arranged at the inner ports of the two spray holes, annular sealing bosses are arranged in the middle of the annular sealing gaskets, and sealing steel balls are arranged between the two clamping walls, and the sizes of the sealing steel balls are matched with the two annular sealing bosses; one end of the steel ball sealing body is connected with the injection passage of the connecting column body, the other end of the steel ball sealing body is connected with the upper end surfaces of the two steel ball clamping walls in a sealing way, and a steel ball rolling cavity is formed between the two steel ball clamping arms and the steel ball sealing body; the outer side of the steel ball sealing body is sleeved with a spray cover, and the end face of the spray cover is provided with a screw for fixedly connecting the spray cover with the steel ball sealing body.
Preferably, the centers of the symmetrical large-caliber nozzle and the small-caliber nozzle and the semicircular positioning groove on the same straight line are positioned on the same plane.
The beneficial technical effects of the invention are as follows:
The internal connection spray gun body is in sliding sleeve connection with the jet spray gun body, two guide pins at the end part of the jet spray gun body are respectively inserted into the two guide grooves, when the cleaning liquid is sprayed, the middle jet spray gun body rotates 180 degrees along a pointer, an air suction hole in an air cavity chamber is opened, a jet pump body is formed by the jet pump body, the cleaning liquid is sprayed into a double-caliber spray head by jet and is sprayed from a large-caliber spray nozzle, and foaming atomization spraying is carried out on the cleaning liquid; when high-pressure water is sprayed, the middle jet spray gun body rotates 180 degrees along the pointer, the drainage hole, the annular drainage groove and the high-pressure conversion cavity are communicated, and the high-pressure water is sprayed from the plurality of spray holes and the high-pressure spray nozzle, so that the high-pressure water can be sprayed into the double-caliber spray head in a stable pressure manner, and is sprayed from the small-caliber spray nozzle which is not blocked; according to the invention, the high-pressure water and the foam of the cleaning liquid can be switched by rotating the jet spray gun body, and the two spray guns are not needed to be used alternately for cleaning, so that the operation is simplified, and the cleaning efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of a foam and water spray switching device of the present invention;
FIG. 2 is a schematic cross-sectional view of the foam and water spray switching device of the present invention;
FIG. 3 is a schematic view of the front view of the internal spray gun body of the present invention;
FIG. 4 is a schematic view of a dual caliber spray head according to the present invention;
FIG. 5 is a schematic bottom view of a dual caliber spray head according to the present invention;
FIG. 6 is a front view of the foam and water spray dual-purpose integrated spray head of the present invention spraying cleaning liquid;
FIG. 7 is a cross-sectional view taken along A-A of FIG. 6;
FIG. 8 is an enlarged view of a portion of FIG. 7;
FIG. 9 is a front view of the foam and water dual-purpose integrated spray head of the present invention when spraying high pressure water;
FIG. 10 is a B-B cross-sectional view of FIG. 9;
fig. 11 is a partial enlarged view of fig. 10.
FIG. 1 illustrates an internal spray gun body, 11 illustrates a high pressure passage, 12 illustrates an internal threaded joint, 13 illustrates a pilot orifice, 14 illustrates an annular seal groove, 15 illustrates a spiral pilot groove, 16 illustrates an annular pilot groove, 17 illustrates a spray head body, 18 illustrates a spray orifice, 19 illustrates a high pressure nozzle, 20 illustrates a semi-circular pilot groove, 2 illustrates a spray gun body, 21 illustrates a spray head body, 22 illustrates a sleeve barrel, 23 illustrates a pilot pin, 24 illustrates a high pressure transfer chamber, 25 illustrates a gas chamber, 26 illustrates a suction orifice, 27 illustrates a diffusion chamber, 28 illustrates a mixing chamber, 29 illustrates a spray head, 30 illustrates an annular stop, 3 illustrates a dual bore spray head, 31 illustrates a connecting cylinder, 311 illustrates a connecting chamber, 312 illustrates a foam steel wire cylinder, 313 illustrates a spray passage, 32 illustrates a seal body, 33 illustrates a steel ball seal body, 331 illustrates a steel ball clamping wall, 332 illustrates a spray orifice, 333 illustrates a large bore nozzle, 334 illustrates a small bore nozzle, 335 illustrates an annular seal gasket, 336 illustrates an annular seal boss
4. Sealing steel ball, 5 steel ball rolling cavity, 6 spray cover and 7 screw.
Detailed Description
An embodiment I, see description accompanying drawings (1-3, 8), a foam, water spray switching device, including inscription spray gun body, jet spray gun body, its characterized in that: the whole internal connection spray gun body is a cylinder, a high-pressure channel with a circular section is axially formed in the internal connection spray gun body, an internal thread joint connected with an external pipeline is arranged at the outer end part of the internal connection spray gun body, a plurality of drainage holes penetrating into the high-pressure channel are radially formed in the middle part of the external side of the internal connection spray gun body along the circumference, annular sealing grooves are formed in the two sides of the drainage holes along the circumference, two spiral guide grooves with corresponding sizes are formed in the relative positions of the annular sealing grooves on the external side of the drainage holes and the external surface of the internal connection spray gun body, the rotation angles of the two spiral guide grooves are 180 degrees, the two ends of the two spiral guide grooves are semicircular locating grooves, the two semicircular locating grooves corresponding to each other are fixed when the guide pins slide into the semicircular locating grooves, and the two semicircular locating grooves are located on a straight line parallel to the axis; the inner side of the annular sealing groove at the inner side of the drainage hole is provided with an annular drainage groove along the circumference of the outer surface of the inscription gun body, a nozzle body is formed between the annular drainage groove and the inner end surface of the inscription gun body, the two end parts of the side surface of the nozzle body are also provided with annular sealing grooves along the circumference, and the middle part of the inner side wall of the annular drainage groove is provided with a plurality of spray holes penetrating through the nozzle body along the circumferential axial direction; a high-pressure nozzle is arranged at the inner end of the high-pressure channel;
The middle jet spray gun body comprises a jet pump body and a sleeve barrel which are connected with each other, the size of the inner jet spray gun body is matched with the size of the inner cavity of the sleeve barrel and is arranged in the sleeve barrel, two symmetrical through holes are radially formed in the barrel wall of the outer end part of the sleeve barrel, guide pins are arranged in the two through holes, the size of the two guide pins is matched with the size of the spiral guide groove, the lower end of the guide pin is inserted into the guide groove, a high-pressure conversion cavity is formed in the middle lower part of the inner cavity of the sleeve barrel along the circumference of the inner side wall of the barrel, an air cavity is formed between the high-pressure conversion cavity and the bottom surface of the sleeve barrel, and a plurality of radial air suction holes are formed in the middle part of the side wall of the air cavity along the circumference; the jet pump is characterized in that a mixing chamber and a diffusion chamber which are mutually connected are arranged in the jet pump body, the mixing chamber and the air chamber are correspondingly communicated, and a jet pump joint is arranged on the outer side of the diffusion chamber.
The upper end of the jet pump joint is provided with an annular stop block, and an annular sealing groove is formed in the joint of the annular stop block and the jet pump along the circumference.
The distance from the drainage hole to the bottom end surface of the nozzle body is smaller than the distance between the outer end surface of the high-pressure conversion cavity and the bottom surface of the air chamber, so that the drainage hole and the annular drainage groove can completely enter the high-pressure conversion cavity; the distance between the two semicircular positioning grooves which are symmetrical to each other at the inner sides of the two spiral guide grooves and the bottom end of the spray head body is the same as the distance between the guide pins and the outer side edges of the air suction holes, so that the air suction holes can be completely opened to suck air when foam is sprayed, and the spray head body can seal the port of the air chamber to avoid air leakage; the distance between the two semicircular positioning grooves which are symmetrical with each other at the outer sides of the two spiral guide grooves and the bottom end of the nozzle body is the same as the distance between the guide pin and the bottom surface of the air chamber, so that the air suction hole can be completely sealed when high-pressure water is sprayed, and air leakage is avoided.
The size of the nozzle body at the inner end of the internal joint spray gun body is the same as the size of the air cavity in the middle jet spray gun body, the nozzle body can completely seal the air cavity, the positions between the air suction hole and the two annular sealing grooves of the nozzle body are corresponding, and the two sealing grooves can seal the air suction hole in the middle.
In a second embodiment, see fig. 4-11 of the specification, a foam and water spraying integrated spray head comprises an embodiment, wherein the outer side of a spray joint of a middle jet spray gun body is connected with a double-caliber spray head, the double-caliber spray head comprises a connecting cylinder at the inner end, a steel ball sealing body in the middle and a double-caliber spray nozzle at the outer end, a connecting cavity is concentrically arranged in the connecting cylinder, the spray joint is sleeved in the connecting cavity, a foaming steel wire column is plugged between the spray joint and the bottom surface of the connecting cavity, the foaming steel wire column foams the passing cleaning liquid, so that the foam is formed when the cleaning liquid is sprayed out, the spray area is enlarged, the cleaning liquid is saved, a through spray channel is axially arranged at the bottom of the connecting cavity, symmetrical steel ball clamping walls are arranged at the two sides of the inner end surface of the double-caliber spray gun, two annular sealing gaskets are axially arranged at the outer ports of the two steel ball clamping walls and are respectively provided with a large-caliber spray nozzle and a small-caliber spray nozzle, two annular sealing gaskets are arranged at the inner end ports of the two annular sealing gaskets, the annular sealing gaskets are arranged in the middle, the annular sealing gaskets are provided with annular sealing gaskets corresponding annular sealing gaskets, and the annular sealing gaskets are matched with the sealing bosses with the annular sealing bosses, and the sealing bosses are arranged between the two annular sealing flanges, and the sealing bosses are sealed by the two sealing bosses, and the sealing bosses are matched with the sizes can be sealed by the two annular sealing bosses; one end of the steel ball sealing body is connected with the injection passage of the connecting column body, the other end of the steel ball sealing body is connected with the upper end surfaces of the two steel ball clamping walls in a sealing way, a steel ball rolling cavity is formed between the two steel ball clamping arms and the steel ball sealing body, and the steel ball rolls up and down in the rolling cavity; the outer side of the steel ball sealing body is sleeved with a spray cover, and the end face of the spray cover is provided with a screw for fixedly connecting the spray cover with the steel ball sealing body.
The centers of the symmetrical large-caliber nozzle and the symmetrical small-caliber nozzle are positioned on the same plane with the semicircular positioning groove positioned on the same straight line, so that when the jet spray gun body rotates 180 degrees clockwise or anticlockwise along the spiral guide groove, the large-caliber nozzle and the small-caliber nozzle can also rotate 180 degrees along with the spiral guide groove, and meanwhile, the sealing steel ball rolls downwards to seal the annular sealing boss, so that the large-caliber nozzle and the small-caliber nozzle are switched.
The specific operation steps of the invention are as follows:
When high-pressure water needs to be sprayed
A. The inner spray gun body is held tightly, the middle jet spray gun body rotates 180 degrees along the pointer, the two guide pins are rotationally clamped into the two semicircular positioning grooves at the outer sides of the two guide grooves, at the moment, the drainage holes and the annular drainage grooves of the inner spray gun body slide into the high-pressure conversion cavity, the annular sealing grooves at the outer sides of the drainage holes and the inner cavity wall of the middle jet spray gun body are sealed to avoid water leakage, the spray head body completely slides into the air cavity to block the air suction holes, and the annular sealing grooves at the two ends of the spray head body and the inner wall of the air cavity are sealed to avoid air leakage; meanwhile, the double-caliber spray head rotates 180 degrees along with the rotation, and the sealing steel balls in the double-caliber spray head roll down to block the annular sealing boss corresponding to the large-caliber spray nozzle;
b. The high-pressure water is sprayed out of the high-pressure nozzle at the inner end part of the high-pressure channel, enters the high-pressure conversion cavity from the drainage hole and then enters the plurality of spray holes from the annular drainage groove, and is sprayed out of the plurality of spray holes, and the pressure of the high-pressure water sprayed out of the spray holes and the pressure of the water in the high-pressure channel are the same, so that the high-pressure water can be stably sprayed into the double-caliber spray head, and is sprayed out of the non-blocked small-caliber spray nozzle to spray and clean a cleaning object;
when the cleaning liquid needs to be sprayed
C. The middle jet spray gun body is rotated 180 degrees anticlockwise by holding the inner spray gun body, the two guide pins are rotationally clamped into the two semicircular positioning grooves on the inner sides of the two spiral guide grooves, at the moment, the drainage holes of the inner spray gun body slide out of the high-pressure conversion cavity and are overlapped with the inner wall of the middle jet spray gun body, the annular sealing grooves on the two sides of the drainage holes are sealed with the inner wall of the middle jet spray gun body, the drainage holes are plugged, meanwhile, the spray head body mostly slides out of the air cavity, the air suction holes are opened and form a jet pump with the mixing cavity and the diffusion cavity, the annular sealing grooves on the inner side of the spray head body and the side walls at the edges of the air cavity are sealed, the air is prevented from entering the inner cavity of the middle jet spray gun body, meanwhile, the double-caliber spray head also rolls down along with the rotation of 180 degrees, and the sealing steel balls inside the double-caliber spray head rolls down to plug the annular sealing boss corresponding to the small-caliber spray head.
D. at the moment, the high-pressure cleaning liquid is directly sprayed out of the high-pressure nozzle along the high-pressure channel, enters the air suction hole, the mixing chamber and the diffusion chamber to form a jet pump, is sprayed to the foaming steel wire column in the dual-caliber spray head by jet flow, and is sprayed out of the large-caliber nozzle which is not blocked after being foamed by the foaming steel wire column, so that the cleaning liquid is sprayed to clean foam.
Claims (7)
1. The utility model provides a foam, water spray auto-change over device, includes inscription spray gun body, efflux spray gun body, its characterized in that: the internal connection spray gun body is integrally a cylinder, a high-pressure channel with a circular section is axially formed in the internal connection spray gun body, an internal thread joint connected with an external pipeline is arranged at the outer end part of the internal connection spray gun body, a plurality of drainage holes penetrating into the high-pressure channel are radially formed in the middle part of the external side of the internal connection spray gun body along the circumference, annular sealing grooves are formed in the two sides of the drainage holes along the circumference, two spiral guide grooves with corresponding sizes are formed in the relative positions of the annular sealing grooves on the external side of the drainage holes and the external surface of the internal connection spray gun body between the internal thread joint, and the rotation angles of the two spiral guide grooves are 180 degrees; the inner side of the annular sealing groove at the inner side of the drainage hole is provided with an annular drainage groove along the circumference of the outer surface of the inscription gun body, a nozzle body is formed between the annular drainage groove and the inner end surface of the inscription gun body, the two end parts of the side surface of the nozzle body are also provided with annular sealing grooves along the circumference, and the middle part of the inner side wall of the annular drainage groove is provided with a plurality of spray holes penetrating through the nozzle body along the circumferential axial direction; a high-pressure nozzle is arranged at the inner end of the high-pressure channel;
The jet spray gun body comprises a jet pump body and a sleeve barrel which are connected with each other, the size of the internal connection spray gun body is matched with the size of the inner cavity of the sleeve barrel and is arranged in the sleeve barrel, two symmetrical through holes are radially formed in the barrel wall of the outer end part of the sleeve barrel, guide pins are arranged in the two through holes, the size of the two guide pins is matched with the size of the spiral guide groove, the lower ends of the guide pins are inserted into the guide groove to form a spiral sliding pair, a high-pressure conversion cavity is formed in the middle lower part of the inner cavity of the sleeve barrel along the circumference of the inner side wall of the barrel, an air cavity is formed between the high-pressure conversion cavity and the bottom surface of the sleeve barrel, and a plurality of radial air suction holes are formed in the middle part of the side wall of the air cavity along the circumference; the jet pump is characterized in that a mixing chamber and a diffusion chamber which are connected with each other are arranged in the jet pump body, the mixing chamber and the air chamber are correspondingly communicated, and the jet pump is communicated with the outer side of the diffusion chamber.
2. The foam, water spray switching device of claim 1 wherein: the two ends of the two spiral guide grooves are respectively provided with a semicircular positioning groove, and the two semicircular positioning grooves corresponding to each other are positioned on a straight line parallel to the axis.
3. A foam, water spray switching device as claimed in claim 2, wherein: the distance from the drainage hole to the bottom end surface of the nozzle body is smaller than the distance between the outer end surface of the high-pressure conversion cavity and the bottom surface of the air chamber; the distance between the two semicircular positioning grooves which are symmetrical to each other at the inner sides of the two spiral guide grooves and the bottom end of the spray head body is the same as the distance between the guide pin and the outer side edge of the air suction hole; the distance between the two semicircular positioning grooves which are symmetrical to each other at the outer sides of the two spiral guide grooves and the bottom end of the nozzle body is the same as the distance between the guide pin and the bottom surface of the air chamber.
4. A foam, water spray switching device as claimed in claim 3 wherein: the size of the nozzle body which is internally connected with the inner end of the spray gun body is the same as the size of the air cavity chamber in the jet spray gun body, and the positions between the air suction hole and the two annular sealing grooves of the nozzle body are corresponding.
5. The foam, water spray switching device of claim 4 wherein: the upper end of the jet pump joint is provided with an annular stop block, and an annular sealing groove is formed in the joint of the annular stop block and the jet pump along the circumference.
6. The utility model provides a foam, integrative shower nozzle of water spray double-purpose, includes foam, water spray auto-change over device of claim 1, its characterized in that: the spray joint of the jet spray gun body is externally connected with a double-caliber spray head, the double-caliber spray head comprises a connecting column body at the inner end, a steel ball sealing body in the middle and a double-caliber spray nozzle at the outer end, a connecting cavity is concentrically arranged in the connecting column body, the spray joint is sleeved in the connecting cavity, a foaming steel wire column is plugged between the spray joint and the bottom surface of the connecting cavity, a through spray channel is axially arranged at the bottom of the connecting cavity, symmetrical steel ball clamping walls are arranged at two sides of the inner end surface of the double-caliber spray nozzle, two symmetrical spray holes penetrating the double-caliber spray nozzle are axially arranged between the two steel ball clamping walls, a large-caliber spray nozzle and a small-caliber spray nozzle are respectively arranged at the outer ports of the two spray holes, two annular sealing gaskets are arranged at the inner ports of the two spray holes, annular sealing bosses are arranged in the middle of the annular sealing gaskets, and sealing steel balls are arranged between the two steel ball clamping walls, and the sealing steel balls are matched with the two annular sealing bosses in size; one end of the steel ball sealing body is connected with the injection passage of the connecting column body, the other end of the steel ball sealing body is connected with the upper end surfaces of the two steel ball clamping walls in a sealing way, and a steel ball rolling cavity is formed between the two steel ball clamping arms and the steel ball sealing body; the outer side of the steel ball sealing body is sleeved with a spray cover, and the end face of the spray cover is provided with a screw for fixedly connecting the spray cover with the steel ball sealing body.
7. The foam, water spray dual-purpose integrated spray head of claim 6, wherein: the centers of the symmetrical large-caliber nozzle and the small-caliber nozzle and the semicircular positioning grooves on the same straight line are positioned on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111135513B (en) * | 2019-12-31 | 2021-05-07 | 江苏湃森科技有限公司 | Regulation type foam injection apparatus |
| CN111232598B (en) * | 2020-04-01 | 2024-09-13 | 天津成科自动化工程技术有限公司 | Non-contact return belt cleaning system |
| CN112844956B (en) * | 2021-01-05 | 2022-03-04 | 东风柳州汽车有限公司 | Gluing device and nozzle structure thereof |
| CN114377867B (en) * | 2021-12-30 | 2022-12-27 | 开平市汉顺洁具实业有限公司 | Water route switching structure of water outlet terminal |
| CN114602275B (en) * | 2022-04-26 | 2022-08-19 | 常春光 | Dust device is used in road surface management of adjustable watering scope |
| CN116831510B (en) * | 2023-08-24 | 2023-12-29 | 湖南省华芯医疗器械有限公司 | Nozzle assembly, endoscope front end assembly and endoscope |
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