CN104492620B - A kind of high-low pressure nozzle assembly for high-pressure cleaning device - Google Patents
A kind of high-low pressure nozzle assembly for high-pressure cleaning device Download PDFInfo
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- CN104492620B CN104492620B CN201410779402.6A CN201410779402A CN104492620B CN 104492620 B CN104492620 B CN 104492620B CN 201410779402 A CN201410779402 A CN 201410779402A CN 104492620 B CN104492620 B CN 104492620B
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- Prior art keywords
- pressure nozzle
- low
- pressure
- straight tube
- water outlet
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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
-
- 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
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- Nozzles (AREA)
Abstract
The present invention relates to a kind of high-low pressure nozzle assembly for high-pressure cleaning device, including：Water outlet straight tube, one end of the water outlet straight tube is connected by the supply pipe of joint and high-pressure cleaning device, and the other end is connected to nozzle assembly；Low-pressure nozzle, the low-pressure nozzle is connected with the water outlet straight tube；High pressure nozzle, the high pressure nozzle is located at the inside of the low-pressure nozzle；Surround the high pressure nozzle and lead to the bypass path of low-pressure nozzle；Provided with the slide-valve that can be moved axially along the water outlet straight tube between the water outlet straight tube and the high pressure nozzle, when the slide-valve is moved forward and is close to the high pressure nozzle, nozzle assembly is in locations of high pressure, the high pressure nozzle is gradually left as the slide-valve is slided backward, nozzle assembly starts to change from locations of high pressure to locations of low pressure.A kind of high-low pressure nozzle assembly for high-pressure cleaning device of the invention have it is simple in construction, be reliable, easy to realize, adjust quick and convenient, safely, the advantages of cleaning performance is good.
Description
Technical field
It is used for the high-low pressure nozzle assembly of high-pressure cleaning device or similar device the present invention relates to a kind of, belongs to high-pressure wash
Equipment component manufacturing technology field.
Background technology
Nozzle, shower nozzle are as the executive component in high pressure water cleaning complete set of equipments, and its principle is to utilize nozzle, shower nozzle endoporus
The change of area makes water under high pressure gather together, and changes into the kinetic energy ejection in the form of high-speed jet again, so as to be carried out to material
The purpose such as smash, peel off, washing away, reaching due cleaning performance.But, how to realize high pressure nozzle and low-pressure nozzle
Combination, and accomplish simple in construction, reliable, easy to manufacture, easy to assembly, and high-low pressure is easy to adjust, performance stable, peace
Entirely, cleaning cleaning effect is good etc., is always the problem of practitioner perplexs.
The content of the invention
Purpose：In order to overcome the deficiencies in the prior art, the present invention provides a kind of height for high-pressure cleaning device
Low-pressure nozzle component.
Technical scheme：In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of high-low pressure nozzle assembly for high-pressure cleaning device, including：
Water outlet straight tube, one end of the water outlet straight tube is connected by the supply pipe of joint and high-pressure cleaning device, and the other end connects
It is connected to nozzle assembly；
Low-pressure nozzle, the low-pressure nozzle is connected with the water outlet straight tube；Low-pressure nozzle is provided with low pressure delivery mouthful forward；
High pressure nozzle, the high pressure nozzle is located at the inside of the low-pressure nozzle；High pressure nozzle is provided with delivery port forward；
Surround the high pressure nozzle and lead to the bypass path of low-pressure nozzle；
Provided with the slide-valve that can be moved axially along the water outlet straight tube, institute between the water outlet straight tube and the high pressure nozzle
State slide-valve to be slidably mounted on the water outlet straight tube and seal close to one end of the water outlet straight tube, the slide-valve
Outer wall and the low-pressure nozzle inwall keep being slidingly sealed, the slide-valve is provided with via, the mistake centrally along water (flow) direction
Hole one end is communicated with the endoporus of the water outlet straight tube, and the other end of the via leads to nozzle, and the slide-valve is straight away from water outlet
The other end of pipe is arranged to hermetically be adjacent on the high pressure nozzle and cut off the slide-valve and the bypass
Passage between footpath, when the slide-valve is moved forward and is close to the high pressure nozzle, nozzle assembly is in locations of high pressure, with
The slide-valve and slide backward and gradually leave the high pressure nozzle, nozzle assembly starts to turn from locations of high pressure to locations of low pressure
Change.
The slide-valve is provided with least one pushing block, and the protruding low-pressure nozzle of pushing block and the water outlet are straight
The outside of pipe, the set that can be moved axially along the water outlet straight tube is also cased with the outside of the low-pressure nozzle and the water outlet straight tube
Cylinder, the sleeve lining is provided with neck, and the pushing block is located in the neck, by being pushed away described in the movable drive of the sleeve
Block is sliding back and forth for the slide-valve.
The sleeve is installed in rotation on water outlet straight tube by the first screw thread.
The neck is annular groove, and the sleeve is divided into left and right two pieces and is assembled integrally.
This one end of the sleeve afterbody along the water outlet straight tube to connection supply pipe extends, described sleeve pipe trailing exterior surface
It is additionally provided with the turning handle gripped for operator.
The high pressure nozzle can be pushed into from the openend of the low-pressure nozzle on the inside of low-pressure nozzle, the high pressure nozzle
Its locating piece rotated relative to the low-pressure nozzle axis is prevented provided with least one, the locating piece is located at the low-pressure nozzle
Stopper slot in；Preferably：The locating piece is symmetrical arranged, and quantity is two.
The low-pressure nozzle, which is provided with, to be used to limit the terminal surface that the high pressure nozzle inserts the low-pressure nozzle depth, institute
The end face that terminal surface is stated with the locating piece is fitted.
It is slidably connected between the slide-valve and the water outlet straight tube by one section of face of cylinder, the face of cylinder is provided with
Have in annular groove, the annular groove for sealed first O-ring.
The slide-valve outer wall is the face of cylinder, and the outer wall, which is provided with annular groove, the annular groove, is provided with the second O-ring, institute
The second O-ring is stated to keep being slidingly sealed with the low-pressure nozzle inwall.
The pushing block is connected by the adjutage extended back with the slip valve body, described on the water outlet straight tube
Adjutage was provided with groove by place.
The slide-valve front portion has an annular seal portion to abut on the high pressure nozzle endoporus.
The outer surface of the annular seal portion is circular conical surface.
The endoporus of the high pressure nozzle has one end cross section to become the big conical surface at the opening of the slide-valve.
The bypass path includes being formed the outer of inwall in the low-pressure nozzle inner chamber and the high pressure nozzle of insertion
The space of formation between wall, the inwall tapers for cylindrical and head, and the outer wall is similarly cylinder and head
Taper.
The cylindrical outer wall of the high pressure nozzle is provided with a plurality of brace rod, the brace rod outwards with the low-pressure nozzle
Inner chamber be affixed merging and keep close-fitting, the space being partitioned between the inwall and the outer wall forms longitudinal direction by the brace rod
Passage, the vertical passage is a part for the bypass path.
Include the low pressure runner of at least one groove structure on the inwall of the low-pressure nozzle, the low pressure runner is forward
Communicated with the bypass path, the opening of the low pressure runner backward, which is led between the high pressure nozzle and the slide-valve, to be formed
Chamber.
The low-pressure nozzle is connected with the water outlet straight tube by the second screw thread, and the low-pressure nozzle is provided with positioning end
Face, the positioning end face is in contact with the water outlet straight tube upper flange.
High pressure nozzle delivery port facing forward is set to oval structure, the fan between 10 ° to 75 ° of the water formation of ejection
Shape；Preferably：The water fan angle of ejection is 20 ° to 30 °.
The shape of the low-pressure nozzle low pressure delivery facing forward mouthful delivery port facing forward with the high pressure nozzle and direction are protected
Hold consistent.
The low-pressure nozzle and the high pressure nozzle are set to integrally formed high-low pressure nozzle, the high-low pressure nozzle with
The water outlet straight tube is connected.
The center of the high-low pressure nozzle is high-pressure outlet, and the periphery of the high-pressure outlet is provided with the second low pressure delivery
Mouthful；Preferably：The high-pressure outlet is symmetrically arranged with two and the low pressure delivery mouthful of two or more second.
Beneficial effect：A kind of high-low pressure nozzle assembly for high-pressure cleaning device that the present invention is provided is simple in construction, tight
Gather, it is reliable, easy to manufacture, easy to assembly, and performance is stable, and high-low pressure is easy to adjust, safety, and cleaning performance is good etc..
Brief description of the drawings
The high-low pressure nozzle assembly of Fig. 1 present invention is in structural representation during high pressure conditions；
The configuration schematic diagram of the high-low pressure nozzle assembly of Fig. 2 present invention；
The structural representation of the high-low pressure nozzle assembly of Fig. 3 present invention；
Along the sectional view of A-A cutting lines in Fig. 4 corresponding diagrams 1；
Along the sectional view of B-B cutting lines in Fig. 5 corresponding diagrams 1；
Along the sectional view of C-C cutting lines in Fig. 6 corresponding diagrams 1；
The high-low pressure nozzle assembly of Fig. 7 present invention is in structural representation during low-pressure state；
The right view of Fig. 8 corresponding diagrams 1；
The three-dimensional cutaway view of the high-low pressure nozzle assembly of Fig. 9 present invention；
The three-dimensional cutaway view of Figure 10 low-pressure nozzles；
The dimensional structure diagram of Figure 11 high pressure nozzles；
The dimensional structure diagram of Figure 12 slide-valves；
The structural representation of the nozzle assembly of the integrally formed high-low pressure nozzle of Figure 13 another embodiment of the present invention.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As Figure 1-3, a kind of high-low pressure nozzle assembly for high-pressure cleaning device, including：
Water outlet straight tube 9, one end of the water outlet straight tube 9 is connected by joint 12 with the supply pipe of high-pressure cleaning device, another
End is connected to nozzle assembly；
Low-pressure nozzle 1, the low-pressure nozzle 1 is connected with the water outlet straight tube 9；
High pressure nozzle 2, the high pressure nozzle 2 is located at the inside of the low-pressure nozzle 1；
Surround the high pressure nozzle and lead to the bypass path 25 of low-pressure nozzle；
Provided with the slide-valve that can be moved axially along the water outlet straight tube 9 between the water outlet straight tube 9 and the high pressure nozzle 2
5, the slide-valve 5 is slidably mounted on the water outlet straight tube 9 and sealed close to one end of the water outlet straight tube 9, institute
The outer wall 4 and the inwall of low-pressure nozzle 1 for stating slide-valve 5 are kept being slidingly sealed, and the slide-valve 5 is provided with centrally along water (flow) direction
Via 21, described one end of via 21 is communicated with the endoporus 13 of the water outlet straight tube 9, and the other end of the via 21 leads to nozzle,
The other end of the slide-valve 5 away from water outlet straight tube 9 is arranged to hermetically be adjacent on the high pressure nozzle 2 and cut off
Passage between the slide-valve 5 and the bypass path 25, when the slide-valve 5 is moved forward and is close to the high pressure nozzle
Nozzle assembly is in locations of high pressure when 2, and the high pressure nozzle 2, nozzle assembly are gradually left as the slide-valve 5 is slided backward
Start to change from locations of high pressure to locations of low pressure.
As shown in Fig. 2,10-12, the slide-valve 5 is provided with least one pushing block 8, and the pushing block 8 is protruding described
The outside of low-pressure nozzle 1 and the water outlet straight tube 9, being also cased with the outside of the low-pressure nozzle 1 and the water outlet straight tube 9 can edge
The sleeve 7 that the water outlet straight tube 9 is moved axially, the inwall of sleeve 7 is provided with neck 14, and the pushing block 8 is located at the neck 14
It is interior, drive the pushing block 8 to be sliding back and forth for the slide-valve 5 by the way that the sleeve 7 is movable.
The sleeve 7 is installed in rotation on water outlet straight tube 9 by the first screw thread 10.
The neck 14 is annular groove, and the sleeve 7 is divided into left and right two pieces and is assembled integrally.
This one end of the afterbody of sleeve 7 along the water outlet straight tube 9 to connection supply pipe extends, outside the afterbody of described sleeve pipe 7
Surface is additionally provided with the turning handle 11 gripped for operator.
The high pressure nozzle 2 can be pushed into the inside of low-pressure nozzle 1, the high pressure spray from the openend of the low-pressure nozzle 1
Mouth 2 prevents its locating piece 29 rotated relative to the axis of low-pressure nozzle 1 provided with least one, and the locating piece 29 is located at institute
State in the stopper slot 32 of low-pressure nozzle 1.
The low-pressure nozzle 1, which is provided with, to be used to limit the terminal surface that the high pressure nozzle 2 inserts the depth of low-pressure nozzle 1
28, the terminal surface 28 is fitted with the end face 23 of the locating piece 29.
It is slidably connected between the slide-valve 5 and the water outlet straight tube 9 by one section of face of cylinder 18, the face of cylinder 18
Being provided with annular groove, the annular groove has for sealed first O-ring 19.
The outer wall 4 of slide-valve 5 is the face of cylinder, and the outer wall 4, which is provided with annular groove 36, the annular groove 36, is provided with the 2nd O
Type circle 20, second O-ring 20 keeps being slidingly sealed with the inwall of low-pressure nozzle 1.
The pushing block 8 is connected by the adjutage 6 extended back with the main body of slide-valve 5, on the water outlet straight tube 9
The adjutage 6 was provided with groove 31 by place.
The front portion of slide-valve 5 has an annular seal portion 3 to abut on the endoporus of high pressure nozzle 2.
The outer surface of the annular seal portion 3 is circular conical surface.
The endoporus 24 of the high pressure nozzle 2 has one end cross section to become the big conical surface 22 at the opening of the slide-valve 5.
As shown in figures 4-9, the bypass path 25 includes forming the inwall 33 in the inner chamber of low-pressure nozzle 1 and insertion
The space of formation between the outer wall 34 of the high pressure nozzle 2, the inwall 33 tapers for cylindrical and head, the outer wall
34 be similarly cylinder and head taper.
The cylindrical outer wall 34 of the high pressure nozzle 2 is provided with a plurality of brace rod 35, the brace rod 35 outwards with it is described
The inner chamber 33 of low-pressure nozzle 1 is affixed merging and keeps close-fitting, and the brace rod 35 is by between the inwall 33 and the outer wall 34 points
The space cut out forms vertical passage 37, and the vertical passage 37 is a part for the bypass path 25.
Include the low pressure runner 30 of at least one groove structure, the lowpressure stream on the inwall 33 of the low-pressure nozzle 1
Road 30 is communicated forward with the bypass path 25, the opening of the low pressure runner 30 backward lead to the high pressure nozzle 2 with it is described
The chamber formed between slide-valve 5.
The low-pressure nozzle 1 is connected with the water outlet straight tube 9 by the second screw thread 17, and the low-pressure nozzle 1 is provided with fixed
Position end face 16, the positioning end face 16 is in contact with the upper flange 15 of water outlet straight tube 9.
The high pressure nozzle 2 delivery port 27 facing forward is set to oval structure, between 10 ° to 75 ° of the water formation of ejection
It is fan-shaped.
Shape and side of the low-pressure nozzle 1 low pressure delivery facing forward mouthful 26 with high pressure nozzle delivery port 27 facing forward
To being consistent.
As shown in figure 13, it is another embodiment of the present invention, the low-pressure nozzle 1 sets with the high pressure nozzle 2 and is integrated
The high-low pressure nozzle 38 of shaping, the high-low pressure nozzle 38 is connected with the water outlet straight tube 9.
The center of the high-low pressure nozzle 38 is high-pressure outlet 40, and the periphery of the high-pressure outlet 40 is low provided with second
Extrude the mouth of a river 39.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (19)
1. a kind of high-low pressure nozzle assembly for high-pressure cleaning device, including：
Water outlet straight tube（9）, the water outlet straight tube（9）One end pass through joint（12）It is connected with the supply pipe of high-pressure cleaning device, separately
One end is connected to nozzle assembly；
Low-pressure nozzle（1）, the low-pressure nozzle（1）With the water outlet straight tube（9）It is connected；
High pressure nozzle（2）, the high pressure nozzle（2）Positioned at the low-pressure nozzle（1）Inside；
Surround the high pressure nozzle and lead to the bypass path of low-pressure nozzle（25）；
Characterized in that,
In the water outlet straight tube（9）With the high pressure nozzle（2）Between provided with can be along the water outlet straight tube（9）The slip of axial movement
Valve（5）, the slide-valve（5）Close to the water outlet straight tube（9）One end be slidably mounted in the water outlet straight tube（9）On simultaneously
And sealing, the slide-valve（5）Outer wall（4）With the low-pressure nozzle（1）Inwall keeps being slidingly sealed, the slide-valve（5）
Via is provided with centrally along water (flow) direction（21）, the via（21）One end and the water outlet straight tube（9）Endoporus（13）Communicate, institute
State via（21）The other end lead to nozzle, the slide-valve（5）Away from water outlet straight tube（9）The other end be arranged to seal
Ground is adjacent in the high pressure nozzle（2）Go up and cut off the slide-valve（5）With the bypass path（25）Between passage, when
The slide-valve（5）Move forward and be close to the high pressure nozzle（2）When nozzle assembly be in locations of high pressure, with it is described slide
Valve（5）Slide backward and gradually leave the high pressure nozzle（2）, nozzle assembly starts to change from locations of high pressure to locations of low pressure；
The slide-valve（5）It is provided with least one pushing block（8）, the pushing block（8）The protruding low-pressure nozzle（1）And institute
State water outlet straight tube（9）Outside, in the low-pressure nozzle（1）And the water outlet straight tube（9）Outside be also cased with can along it is described go out
Water straight tube（9）The sleeve of axial movement（7）, the sleeve（7）Inwall is provided with neck（14）, the pushing block（8）Positioned at the card
Groove（14）It is interior, pass through the sleeve（7）It is movable to drive the pushing block（8）I.e. described slide-valve（5）Slide back and forth；
The pushing block（8）Pass through the adjutage extended back（6）With the slide-valve（5）Main body is connected, in the water outlet straight tube
（9）The upper adjutage（6）Groove was provided with by place（31）.
2. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterised in that the set
Cylinder（7）Pass through the first screw thread（10）It is installed in rotation on water outlet straight tube（9）On.
3. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterised in that the card
Groove（14）For annular groove, the sleeve（7）It is divided into left and right two pieces to be assembled integrally.
4. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterised in that the set
Cylinder（7）Afterbody is along the water outlet straight tube（9）To this one end extension of connection supply pipe, described sleeve pipe（7）Trailing exterior surface is also set
There is the turning handle gripped for operator（11）.
5. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterised in that the height
Press nozzle（2）Can be from the low-pressure nozzle（1）Openend push-in low-pressure nozzle（1）Inside, the high pressure nozzle（2）On set
There is at least one to prevent its relatively described low-pressure nozzle（1）The locating piece that axis is rotated（29）, the locating piece（29）Positioned at institute
State low-pressure nozzle（1）Stopper slot（32）It is interior.
6. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 5, it is characterised in that described low
Press nozzle（1）Being provided with is used to limit the high pressure nozzle（2）Insert the low-pressure nozzle（1）The terminal surface of depth（28）, institute
State terminal surface（28）With the locating piece（29）End face（23）Laminating.
7. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterised in that the cunning
Dynamic valve（5）With the water outlet straight tube（9）Between pass through one section of face of cylinder（18）It is slidably connected, the face of cylinder（18）It is provided with
Have in annular groove, the annular groove for sealed first O-ring（19）.
8. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterised in that the cunning
Dynamic valve（5）Outer wall（4）For the face of cylinder, the outer wall（4）It is provided with annular groove（36）, the annular groove（36）Inside it is provided with the second O-ring
（20）, second O-ring（20）With the low-pressure nozzle（1）Inwall keeps being slidingly sealed.
9. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterised in that the cunning
Dynamic valve（5）There is an annular seal portion front portion（3）The high pressure nozzle can be abutted in（2）On endoporus.
10. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 9, it is characterised in that described
Annular seal portion（3）Outer surface be circular conical surface.
11. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterised in that described
High pressure nozzle（2）Endoporus（24）Close to the slide-valve（5）Opening at there is one end cross section to become the big conical surface（22）.
12. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterised in that described
Bypass path（25）Including being formed in the low-pressure nozzle（1）The inwall of inner chamber（33）With the high pressure nozzle of insertion（2）'s
Outer wall（34）Between formation space, the inwall（33）Tapered for cylindrical and head, the outer wall（34）It is similarly
Cylindrical and head is tapered.
13. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 12, it is characterised in that described
High pressure nozzle（2）Cylindrical outer wall（34）It is provided with a plurality of brace rod（35）, the brace rod（35）Outwards with the low pressure
Nozzle（1）Inner chamber（33）It is affixed merging and keeps close-fitting, the brace rod（35）By the inwall（33）With the outer wall（34）
Between the space that is partitioned into form vertical passage（37）, the vertical passage（37）It is the bypass path（25）A part.
14. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterised in that in institute
State low-pressure nozzle（1）Inwall（33）It is upper to include the low pressure runner of at least one groove structure（30）, the low pressure runner（30）
Forward with the bypass path（25）Communicate, the low pressure runner（30）Opening backward leads to the high pressure nozzle（2）With institute
State slide-valve（5）Between the chamber that is formed.
15. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterised in that described
Low-pressure nozzle（1）With the water outlet straight tube（9）It is connected by the second screw thread (17), the low-pressure nozzle（1）Provided with positioning end
Face（16）, the positioning end face（16）With the water outlet straight tube（9）Upper flange（15）It is in contact.
16. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterised in that described
High pressure nozzle（2）Delivery port facing forward（27）It is set to oval structure, the sector between 10 ° to 75 ° of the water formation of ejection.
17. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 16, it is characterised in that described
Low-pressure nozzle（1）Low pressure delivery mouthful facing forward（26）The delivery port facing forward with the high pressure nozzle（27）Shape and direction keep
Unanimously.
18. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 1, it is characterised in that described
Low-pressure nozzle（1）With the high pressure nozzle（2）It is set to integrally formed high-low pressure nozzle（38）, the high-low pressure nozzle（38）
With the water outlet straight tube（9）It is connected.
19. a kind of high-low pressure nozzle assembly for high-pressure cleaning device according to claim 18, it is characterised in that described
High-low pressure nozzle（38）Center be high-pressure outlet（40）, the high-pressure outlet（40）Periphery be provided with the second low pressure delivery
Mouthful（39）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410779402.6A CN104492620B (en) | 2014-12-16 | 2014-12-16 | A kind of high-low pressure nozzle assembly for high-pressure cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
|---|---|
| CN104492620A CN104492620A (en) | 2015-04-08 |
| CN104492620B true CN104492620B (en) | 2017-08-25 |
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| CN201410779402.6A Active 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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| CN107913808B (en) * | 2017-11-08 | 2019-09-10 | 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 |
| CN108014935B (en) * | 2017-11-08 | 2019-12-27 | 江苏苏美达五金工具有限公司 | Pressure linear adjustment combined nozzle and high-pressure cleaning equipment |
| 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 |
| CN111167770B (en) * | 2020-02-02 | 2021-12-31 | 老肯医疗科技股份有限公司 | Telescopic rotary spraying device and endoscope cleaning equipment |
| CN114289203B (en) * | 2021-12-30 | 2022-10-11 | 农业农村部南京农业机械化研究所 | Air-assisted variable nozzle |
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| DE10257783B3 (en) * | 2002-12-11 | 2004-03-18 | Alfred Kärcher Gmbh & Co. Kg | Nozzle arrangement for a high pressure cleaning device comprises a nozzle hose supporting a pot-shaped housing, and displacement devices moving a low and a high pressure nozzle in the housing against and away from a seal connector |
| CN201389509Y (en) * | 2009-04-09 | 2010-01-27 | 上海裕歆电器有限公司 | Nozzle-changeable high-low pressure gun shaft |
| US7871019B1 (en) * | 2009-07-01 | 2011-01-18 | Active Products International Limited | Pressure-adjustable jet spray nozzle for cleaning machine |
| CN102950066A (en) * | 2011-08-31 | 2013-03-06 | 扬州宏诚冶金设备有限公司 | High-pressure descaling spray nozzle |
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2014
- 2014-12-16 CN CN201410779402.6A patent/CN104492620B/en active Active
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