CN104492620A - High-low pressure spray nozzle component for high-pressure cleaning equipment - Google Patents
High-low pressure spray nozzle component for high-pressure cleaning equipment Download PDFInfo
- Publication number
- CN104492620A CN104492620A CN201410779402.6A CN201410779402A CN104492620A CN 104492620 A CN104492620 A CN 104492620A CN 201410779402 A CN201410779402 A CN 201410779402A CN 104492620 A CN104492620 A CN 104492620A
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- Prior art keywords
- pressure nozzle
- low
- pressure
- water outlet
- straight tube
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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
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
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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
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3026—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a gate valve, a sliding valve or a cock
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
Abstract
The invention relates to a high-low pressure spray nozzle component for high-pressure cleaning equipment. The high-low pressure spray nozzle component comprises a water outlet straight tube, a low-pressure spray nozzle, a high-pressure spray nozzle, a bypass path and a slide valve, wherein one end of the water outlet straight tube is connected with a supply tube of the high-pressure cleaning equipment, the other end of the water outlet straight tube is connected with the spray nozzle component; the low-pressure spray nozzle is connected with the water outlet straight tube; the high-pressure spray nozzle is positioned inside the low-pressure spray nozzle; the bypass path surrounds the high-pressure spray nozzle and leads to the low-pressure spray nozzle; the slide valve capable of moving along the axial direction of the water outlet straight tube is arranged between the water outlet straight tube and the high-pressure spray nozzle; when the slide valve moves forwards and attaches to the spray nozzle component of the high-pressure spray nozzle closely, the spray nozzle component is positioned at a high-pressure position, when the slide valve slides backwards to gradually leave the high-pressure spray nozzle, the spray nozzle component is started to be converted to the low-pressure position from the high-pressure position. The high-low pressure spray nozzle component for the high-pressure cleaning equipment disclosed by the invention has the advantages of being simple in structure, reliable, easy to realize, quick and convenient in speed regulation, safe, good in cleaning effect, and the like.
Description
Technical field
The present invention relates to a kind of high-low pressure nozzle assembly for high-pressure cleaning device or similar device, belong to high-pressure cleaning device component manufacturing technology field.
Background technology
Nozzle, shower nozzle are as the executive component in high pressure water cleaning complete set of equipments, its principle utilizes nozzle, the change of shower nozzle endoporus area makes water under high pressure gather together, and change into kinetic energy and spray with the form of high-speed jet again, thus material is smashed, peel off, the object such as to wash away, make it reach due cleaning performance.But, how to realize the combination of high pressure nozzle and low-pressure nozzle, and accomplish that structure is simple, reliable, easy to manufacture, easy to assembly, and high-low pressure is easy to adjust, stable performance, safety, cleaning cleaning effect are good etc., is the problem that practitioner perplexs always.
Summary of the invention
Object: in order to overcome the deficiencies in the prior art, the invention provides a kind of high-low pressure nozzle assembly for high-pressure cleaning device.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is:
For a high-low pressure nozzle assembly for high-pressure cleaning device, comprising:
Water outlet straight tube, one end of this water outlet straight tube is connected with the supply pipe of high-pressure cleaning device by joint, and the other end is connected to nozzle assembly;
Low-pressure nozzle, this low-pressure nozzle is connected with described water outlet straight tube; Low-pressure nozzle is provided with low pressure delivery mouth forward;
High pressure nozzle, this high pressure nozzle is positioned at the inside of described low-pressure nozzle; High pressure nozzle is provided with delivery port forward;
Surround described high pressure nozzle and lead to the bypass path of low-pressure nozzle;
The slide-valve that can move axially along described water outlet straight tube is provided with between described water outlet straight tube and described high pressure nozzle, described slide-valve to be slidably mounted near one end of described water outlet straight tube on described water outlet straight tube and to seal, outer wall and the described low-pressure nozzle inwall of described slide-valve keep slipper seal, described slide-valve center is provided with via hole along water (flow) direction, described via hole one end communicates with the endoporus of described water outlet straight tube, the other end of described via hole leads to nozzle, described slide-valve to be arranged to be adjacent to hermetically on described high pressure nozzle and the passage cut off between described slide-valve and described bypass path away from the other end of water outlet straight tube, when described slide-valve moves forward and is close to described high pressure nozzle, nozzle assembly is in locations of high pressure, described high pressure nozzle is left gradually along with described slide-valve slides backward, nozzle assembly starts to change from locations of high pressure to locations of low pressure.
Described slide-valve is provided with at least one pushing block, the outside of the protruding described low-pressure nozzle of described pushing block and described water outlet straight tube, the sleeve having and can move axially along described water outlet straight tube is also overlapped in the outside of described low-pressure nozzle and described water outlet straight tube, described sleeve lining is provided with draw-in groove, described pushing block is positioned at described draw-in groove, is moved forward and backward the slide anteroposterior driving described pushing block and described slide-valve by described sleeve.
Described sleeve is installed in rotation on water outlet straight tube by the first screw thread.
Described draw-in groove is cannelure, and described sleeve is divided into left and right two pieces and is assembled into one.
Described sleeve afterbody extends along described water outlet straight tube to this one end connecting supply pipe, and described sleeve pipe trailing exterior surface is also provided with the turning handle gripped for operator.
Described high pressure nozzle can push the inside of low-pressure nozzle from the openend of described low-pressure nozzle, described high pressure nozzle is provided with at least one and prevents its locating piece rotated relative to described low-pressure nozzle axis, and described locating piece is positioned at the stopper slot of described low-pressure nozzle; Preferably: described locating piece is symmetrical arranged, quantity is two.
Described low-pressure nozzle is provided with the terminal surface inserting the described low-pressure nozzle degree of depth for limiting described high pressure nozzle, and the end face of described terminal surface and described locating piece is fitted.
Be connected slidably by one section of face of cylinder between described slide-valve with described water outlet straight tube, the described face of cylinder is provided with annular groove, has the O type circle for sealing in described annular groove.
Described slide-valve outer wall is the face of cylinder, and described outer wall is provided with annular groove, is provided with the 2nd O type circle in described annular groove, and described 2nd O type circle and described low-pressure nozzle inwall keep slipper seal.
Described pushing block is connected with described slide-valve main body by the adjutage extended back, and on described water outlet straight tube, described adjutage was provided with groove by place.
Described slide-valve front portion has a ring packing part can abut on described high pressure nozzle endoporus.
The outer surface of described ring packing part is taper seat.
The conical surface that the endoporus of described high pressure nozzle has one end cross section to become large near the opening part of described slide-valve.
Described bypass path comprises the space of the formation between the outer wall being formed in the inwall of described low-pressure nozzle inner chamber and the described high pressure nozzle of insertion, and described inwall is cylindrical and head gradually closing, and described outer wall is similarly cylindrical and head gradually closing.
The cylindrical outer wall of described high pressure nozzle is provided with many brace rods, described brace rod is outwards affixed to merge with the inner chamber of described low-pressure nozzle and keeps close-fitting, the space be partitioned between described inwall and described outer wall is formed vertical passage by described brace rod, and described vertical passage is a part for described bypass path.
The inwall of described low-pressure nozzle comprises the low pressure runner of at least one groove structure, and described low pressure runner communicates with described bypass path forward, and described low pressure runner opening backward leads to the chamber formed between described high pressure nozzle and described slide-valve.
Described low-pressure nozzle is connected by the second screw thread with described water outlet straight tube, and described low-pressure nozzle is provided with location end face, and described location end face contacts with described water outlet straight tube upper flange.
Described high pressure nozzle delivery port is forward set to oval structure, and it is fan-shaped that the water of ejection is formed between 10 ° to 75 °; Preferably: the water fan angle of ejection is 20 ° to 30 °.
Shape and the direction of described low-pressure nozzle low pressure delivery mouth forward and described high pressure nozzle delivery port are forward consistent.
Described low-pressure nozzle and described high pressure nozzle are set to integrated high-low pressure nozzle, and described high-low pressure nozzle is connected with described water outlet straight tube.
The center of described high-low pressure nozzle is high-pressure outlet, and the periphery of described high-pressure outlet is provided with the second low pressure delivery mouth; Preferably: described high-pressure outlet is symmetrically arranged with two and two or more second low pressure delivery mouth.
Beneficial effect: a kind of high-low pressure nozzle assembly for high-pressure cleaning device provided by the invention, structure is simple, compact, reliable, easy to manufacture, easy to assembly, and stable performance, high-low pressure is easy to adjust, safety, and cleaning performance is good.
Accompanying drawing explanation
Fig. 1 high-low pressure nozzle assembly of the present invention is in structural representation during high pressure conditions;
The detonation configuration schematic diagram of Fig. 2 high-low pressure nozzle assembly of the present invention;
The structural representation of Fig. 3 high-low pressure nozzle assembly of the present invention;
Along the sectional view of A-A cutting line in Fig. 4 corresponding diagram 1;
Along the sectional view of B-B cutting line in Fig. 5 corresponding diagram 1;
Along the sectional view of C-C cutting line in Fig. 6 corresponding diagram 1;
Fig. 7 high-low pressure nozzle assembly of the present invention is in structural representation during low-pressure state;
The right view of Fig. 8 corresponding diagram 1;
The three-dimensional cutaway view of Fig. 9 high-low pressure nozzle assembly of the present invention;
The three-dimensional cutaway view of Figure 10 low-pressure nozzle;
The perspective view of Figure 11 high pressure nozzle;
The perspective view of Figure 12 slide-valve;
The structural representation of the nozzle assembly of the integrated high-low pressure nozzle of Figure 13 another embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As Figure 1-3, a kind of high-low pressure nozzle assembly for high-pressure cleaning device, comprising:
Water outlet straight tube 9, one end of this water outlet straight tube 9 is connected with the supply pipe of high-pressure cleaning device by joint 12, and the other end is connected to nozzle assembly;
Low-pressure nozzle 1, this low-pressure nozzle 1 is connected with described water outlet straight tube 9;
High pressure nozzle 2, this high pressure nozzle 2 is positioned at the inside of described low-pressure nozzle 1;
Surround described high pressure nozzle and lead to the bypass path 25 of low-pressure nozzle;
The slide-valve 5 that can move axially along described water outlet straight tube 9 is provided with between described water outlet straight tube 9 and described high pressure nozzle 2, described slide-valve 5 to be slidably mounted near one end of described water outlet straight tube 9 on described water outlet straight tube 9 and to seal, outer wall 4 and described low-pressure nozzle 1 inwall of described slide-valve 5 keep slipper seal, described slide-valve 5 center is provided with via hole 21 along water (flow) direction, described via hole 21 one end communicates with the endoporus 13 of described water outlet straight tube 9, the other end of described via hole 21 leads to nozzle, described slide-valve 5 to be arranged to be adjacent to hermetically on described high pressure nozzle 2 and the passage cut off between described slide-valve 5 and described bypass path 25 away from the other end of water outlet straight tube 9, when described slide-valve 5 moves forward and is close to described high pressure nozzle 2, nozzle assembly is in locations of high pressure, described high pressure nozzle 2 is left gradually along with described slide-valve 5 slides backward, nozzle assembly starts to change from locations of high pressure to locations of low pressure.
As shown in Fig. 2,10-12, described slide-valve 5 is provided with at least one pushing block 8, the outside of the protruding described low-pressure nozzle 1 of described pushing block 8 and described water outlet straight tube 9, the sleeve 7 having and can move axially along described water outlet straight tube 9 is also overlapped in the outside of described low-pressure nozzle 1 and described water outlet straight tube 9, described sleeve 7 inwall is provided with draw-in groove 14, described pushing block 8 is positioned at described draw-in groove 14, drives the described pushing block 8 i.e. slide anteroposterior of described slide-valve 5 by described sleeve 7 is movable.
Described sleeve 7 is installed in rotation on water outlet straight tube 9 by the first screw thread 10.
Described draw-in groove 14 is cannelure, and described sleeve 7 is divided into left and right two pieces and is assembled into one.
Described sleeve 7 afterbody extends along described water outlet straight tube 9 to this one end connecting supply pipe, and described sleeve pipe 7 trailing exterior surface is also provided with the turning handle 11 gripped for operator.
Described high pressure nozzle 2 can push the inside of low-pressure nozzle 1 from the openend of described low-pressure nozzle 1, described high pressure nozzle 2 is provided with at least one and prevents its locating piece 29 rotated relative to described low-pressure nozzle 1 axis, and described locating piece 29 is positioned at the stopper slot 32 of described low-pressure nozzle 1.
Described low-pressure nozzle 1 is provided with the terminal surface 28 inserting described low-pressure nozzle 1 degree of depth for limiting described high pressure nozzle 2, and described terminal surface 28 is fitted with the end face 23 of described locating piece 29.
Be connected slidably by one section of face of cylinder 18 between described slide-valve 5 with described water outlet straight tube 9, the described face of cylinder 18 is provided with annular groove, has the O type circle 19 for sealing in described annular groove.
Described slide-valve 5 outer wall 4 is the face of cylinder, and described outer wall 4 is provided with annular groove 36, is provided with the 2nd O type circle 20 in described annular groove 36, and described 2nd O type circle 20 keeps slipper seal with described low-pressure nozzle 1 inwall.
Described pushing block 8 is connected with described slide-valve 5 main body by the adjutage 6 extended back, and on described water outlet straight tube 9, described adjutage 6 was provided with groove 31 by place.
Described slide-valve 5 front portion has a ring packing part 3 can abut on described high pressure nozzle 2 endoporus.
The outer surface of described ring packing part 3 is taper seat.
The conical surface 22 that the endoporus 24 of described high pressure nozzle 2 has one end cross section to become large near the opening part of described slide-valve 5.
As shown in figures 4-9, described bypass path 25 comprises the space of the formation between the inwall 33 being formed in described low-pressure nozzle 1 inner chamber and the outer wall 34 of the described high pressure nozzle 2 inserted, described inwall 33 is cylindrical and head gradually closing, and described outer wall 34 is similarly cylindrical and head gradually closing.
The cylindrical outer wall 34 of described high pressure nozzle 2 is provided with many brace rods 35, described brace rod 35 is outwards affixed to merge with the inner chamber 33 of described low-pressure nozzle 1 and keeps close-fitting, the space be partitioned between described inwall 33 and described outer wall 34 is formed vertical passage 37 by described brace rod 35, and described vertical passage 37 is parts of described bypass path 25.
The inwall 33 of described low-pressure nozzle 1 comprises the low pressure runner 30 of at least one groove structure, described low pressure runner 30 communicates with described bypass path 25 forward, and described low pressure runner 30 opening backward leads to the chamber formed between described high pressure nozzle 2 and described slide-valve 5.
Described low-pressure nozzle 1 is connected by the second screw thread 17 with described water outlet straight tube 9, and described low-pressure nozzle 1 is provided with location end face 16, and described location end face 16 contacts with described water outlet straight tube 9 upper flange 15.
Described high pressure nozzle 2 delivery port 27 is forward set to oval structure, and it is fan-shaped that the water of ejection is formed between 10 ° to 75 °.
Shape and the direction of described low-pressure nozzle 1 low pressure delivery mouth forward 26 and described high pressure nozzle delivery port 27 are forward consistent.
As shown in figure 13, be another embodiment of the present invention, described low-pressure nozzle 1 is set to integrated high-low pressure nozzle 38 with described high pressure nozzle 2, and described high-low pressure nozzle 38 is connected with described water outlet straight tube 9.
The center of described high-low pressure nozzle 38 is high-pressure outlet 40, and the periphery of described high-pressure outlet 40 is provided with the second low pressure delivery mouth 39.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (21)
1., for a high-low pressure nozzle assembly for high-pressure cleaning device, comprising:
Water outlet straight tube (9), one end of this water outlet straight tube (9) is connected with the supply pipe of high-pressure cleaning device by joint (12), and the other end is connected to nozzle assembly;
Low-pressure nozzle (1), this low-pressure nozzle (1) is connected with described water outlet straight tube (9);
High pressure nozzle (2), this high pressure nozzle (2) is positioned at the inside of described low-pressure nozzle (1);
Surround described high pressure nozzle and lead to the bypass path (25) of low-pressure nozzle;
It is characterized in that,
The slide-valve (5) that can move axially along described water outlet straight tube (9) is provided with between described water outlet straight tube (9) and described high pressure nozzle (2), described slide-valve (5) is slidably mounted in described water outlet straight tube (9) near one end of described water outlet straight tube (9) and goes up and seal, outer wall (4) and described low-pressure nozzle (1) inwall of described slide-valve (5) keep slipper seal, described slide-valve (5) center is provided with via hole (21) along water (flow) direction, described via hole (21) one end communicates with the endoporus (13) of described water outlet straight tube (9), the other end of described via hole (21) leads to nozzle, described slide-valve (5) is arranged to be adjacent to hermetically at the upper and passage cut off between described slide-valve (5) and described bypass path (25) of described high pressure nozzle (2) away from the other end of water outlet straight tube (9), when described slide-valve (5) moves forward and is close to described high pressure nozzle (2), nozzle assembly is in locations of high pressure, described high pressure nozzle (2) is left gradually along with described slide-valve (5) slides backward, nozzle assembly starts to change from locations of high pressure to locations of low pressure.
2. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterized in that, described slide-valve (5) is provided with at least one pushing block (8), the outside of the protruding described low-pressure nozzle of described pushing block (8) (1) and described water outlet straight tube (9), the sleeve (7) having and can move axially along described water outlet straight tube (9) is also overlapped in the outside of described low-pressure nozzle (1) and described water outlet straight tube (9), described sleeve (7) inwall is provided with draw-in groove (14), described pushing block (8) is positioned at described draw-in groove (14), by movable described pushing block (8) the i.e. slide anteroposterior of described slide-valve (5) that drives of described sleeve (7).
3. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 2, it is characterized in that, described sleeve (7) is installed in rotation on water outlet straight tube (9) by the first screw thread (10).
4. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to Claims 2 or 3, it is characterized in that, described draw-in groove (14) is cannelure, and described sleeve (7) is divided into left and right two pieces and is assembled into one.
5. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to Claims 2 or 3, it is characterized in that, described sleeve (7) afterbody extends along described water outlet straight tube (9) to this one end connecting supply pipe, and described sleeve pipe (7) trailing exterior surface is also provided with the turning handle (11) gripped for operator.
6. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterized in that, described high pressure nozzle (2) can push the inside of low-pressure nozzle (1) from the openend of described low-pressure nozzle (1), described high pressure nozzle (2) is provided with at least one and prevents its locating piece (29) rotated relative to described low-pressure nozzle (1) axis, and described locating piece (29) is positioned at the stopper slot (32) of described low-pressure nozzle (1).
7. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 6, it is characterized in that, described low-pressure nozzle (1) is provided with the terminal surface (28) inserting described low-pressure nozzle (1) degree of depth for limiting described high pressure nozzle (2), and described terminal surface (28) is fitted with the end face (23) of described locating piece (29).
8. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1 or 2, it is characterized in that, be connected slidably by one section of face of cylinder (18) between described slide-valve (5) with described water outlet straight tube (9), the described face of cylinder (18) is provided with annular groove, has the O type circle (19) for sealing in described annular groove.
9. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1 or 2, it is characterized in that, described slide-valve (5) outer wall (4) is the face of cylinder, described outer wall (4) is provided with annular groove (36), be provided with the 2nd O type circle (20) in described annular groove (36), described 2nd O type circle (20) and described low-pressure nozzle (1) inwall keep slipper seal.
10. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 2, it is characterized in that, described pushing block (8) is connected with described slide-valve (5) main body by the adjutage (6) extended back, and is provided with groove (31) at the upper described adjutage (6) of described water outlet straight tube (9) by place.
11. according to claim 1 or 2 a kind of high-low pressure nozzle assembly for high-pressure cleaning device, it is characterized in that, described slide-valve (5) front portion has a ring packing part (3) can abut on described high pressure nozzle (2) endoporus.
12., according to the high-low pressure nozzle assembly for high-pressure cleaning device a kind of described in claim 11, is characterized in that, the outer surface of described ring packing part (3) is taper seat.
13. according to claim 1 or 2 a kind of high-low pressure nozzle assembly for high-pressure cleaning device, it is characterized in that, the conical surface (22) that the endoporus (24) of described high pressure nozzle (2) has one end cross section to become large near the opening part of described slide-valve (5).
14. a kind of high-low pressure nozzle assemblies for high-pressure cleaning device according to claim 1, it is characterized in that, described bypass path (25) comprises the space of the formation between the inwall (33) being formed in described low-pressure nozzle (1) inner chamber and the outer wall (34) of the described high pressure nozzle (2) inserted, described inwall (33) is cylindrical and head gradually closing, and described outer wall (34) is similarly cylindrical and head gradually closing.
15. according to the high-low pressure nozzle assembly for high-pressure cleaning device a kind of described in claim 14, it is characterized in that, the cylindrical outer wall (34) of described high pressure nozzle (2) is provided with many brace rods (35), described brace rod (35) is outwards affixed to merge with the inner chamber (33) of described low-pressure nozzle (1) and keeps close-fitting, the space be partitioned between described inwall (33) and described outer wall (34) is formed vertical passage (37) by described brace rod (35), and described vertical passage (37) is a part for described bypass path (25).
16. a kind of high-low pressure nozzle assemblies for high-pressure cleaning device according to claim 1, it is characterized in that, the inwall (33) of described low-pressure nozzle (1) comprises the low pressure runner (30) of at least one groove structure, described low pressure runner (30) communicates with described bypass path (25) forward, and described low pressure runner (30) opening backward leads to the chamber formed between described high pressure nozzle (2) and described slide-valve (5).
17. a kind of high-low pressure nozzle assemblies for high-pressure cleaning device according to claim 1, it is characterized in that, described low-pressure nozzle (1) is connected by the second screw thread (17) with described water outlet straight tube (9), described low-pressure nozzle (1) is provided with location end face (16), and described location end face (16) contacts with described water outlet straight tube (9) upper flange (15).
18. a kind of high-low pressure nozzle assemblies for high-pressure cleaning device according to claim 1, it is characterized in that, described high pressure nozzle (2) delivery port forward (27) is set to oval structure, and it is fan-shaped that the water of ejection is formed between 10 ° to 75 °.
19. according to the high-low pressure nozzle assembly for high-pressure cleaning device a kind of described in claim 18, it is characterized in that, shape and the direction of described low-pressure nozzle (1) low pressure delivery mouth (26) forward and described high pressure nozzle delivery port forward (27) are consistent.
20. a kind of high-low pressure nozzle assemblies for high-pressure cleaning device according to claim 1, it is characterized in that, described low-pressure nozzle (1) and described high pressure nozzle (2) are set to integrated high-low pressure nozzle (38), and described high-low pressure nozzle (38) is connected with described water outlet straight tube (9).
21. according to the high-low pressure nozzle assembly for high-pressure cleaning device a kind of described in claim 20, it is characterized in that, the center of described high-low pressure nozzle (38) is high-pressure outlet (40), and the periphery of described high-pressure outlet (40) is provided with the second low pressure delivery mouth (39).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410779402.6A CN104492620B (en) | 2014-12-16 | 2014-12-16 | A kind of high-low pressure nozzle assembly for high-pressure cleaning device |
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| CN201410779402.6A CN104492620B (en) | 2014-12-16 | 2014-12-16 | A kind of high-low pressure nozzle assembly for high-pressure cleaning device |
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| CN104492620A true CN104492620A (en) | 2015-04-08 |
| CN104492620B CN104492620B (en) | 2017-08-25 |
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Cited By (6)
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| CN107899769A (en) * | 2017-11-22 | 2018-04-13 | 华中科技大学 | The cavitating nozzle structure and cavitating jet generation device used in a kind of air |
| CN107913808A (en) * | 2017-11-08 | 2018-04-17 | 江苏苏美达五金工具有限公司 | A kind of antidrip high-low pressure combination nozzle and high-pressure cleaning device |
| CN108014935A (en) * | 2017-11-08 | 2018-05-11 | 江苏苏美达五金工具有限公司 | A kind of pressure linear regulation combination nozzle and high-pressure cleaning device |
| CN108787193A (en) * | 2018-08-30 | 2018-11-13 | 苏州小科清洁科技有限公司 | A kind of nozzle and spray nozzle device of jetting machine |
| CN111167770A (en) * | 2020-02-02 | 2020-05-19 | 老肯医疗科技股份有限公司 | Telescopic rotary spraying device and endoscope cleaning equipment |
| CN114289203A (en) * | 2021-12-30 | 2022-04-08 | 农业农村部南京农业机械化研究所 | Air-assisted variable nozzle |
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| US20110000984A1 (en) * | 2009-07-01 | 2011-01-06 | Active Products International Company | Pressure-adjustable jet spray nozzle for cleaning machine |
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| CN107899769A (en) * | 2017-11-22 | 2018-04-13 | 华中科技大学 | The cavitating nozzle structure and cavitating jet generation device used in a kind of air |
| CN107899769B (en) * | 2017-11-22 | 2019-05-31 | 华中科技大学 | Cavitating nozzle structure and cavitating jet generation device used in a kind of air |
| CN108787193A (en) * | 2018-08-30 | 2018-11-13 | 苏州小科清洁科技有限公司 | A kind of nozzle and spray nozzle device of jetting machine |
| CN111167770A (en) * | 2020-02-02 | 2020-05-19 | 老肯医疗科技股份有限公司 | Telescopic rotary spraying device and endoscope cleaning equipment |
| CN114289203A (en) * | 2021-12-30 | 2022-04-08 | 农业农村部南京农业机械化研究所 | Air-assisted variable nozzle |
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