CN107466252A - Pressure accumulation sealing mechanism and ejecting device - Google Patents
Pressure accumulation sealing mechanism and ejecting device Download PDFInfo
- Publication number
- CN107466252A CN107466252A CN201680004372.9A CN201680004372A CN107466252A CN 107466252 A CN107466252 A CN 107466252A CN 201680004372 A CN201680004372 A CN 201680004372A CN 107466252 A CN107466252 A CN 107466252A
- Authority
- CN
- China
- Prior art keywords
- pressure accumulation
- sealing
- ejecting device
- sealing mechanism
- outer sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/14—Check valves with flexible valve members
-
- 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
- B05B1/3006—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 actuated by the pressure of the fluid to be sprayed
-
- 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
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
Abstract
A kind of pressure accumulation sealing mechanism, including inlet (202), liquid outlet (204) and the valve element (60) being arranged between inlet (202) and liquid outlet (204), valve element (60) is formed in one structure, and elastic deformation can occur, wherein, valve element (60) sealing inlet (202), when the hydraulic pressure of inlet (202) reaches predetermined value, valve element (60) produces elastic deformation and releases the sealing to inlet (202).Further relate to a kind of ejecting device with pressure accumulation sealing mechanism.
Description
Technical field
The present invention relates to a kind of pressure accumulation sealing mechanism and with the pressure accumulation sealing mechanism ejecting device.
Background technology
Sprinkling system is used for the sprinkling of the liquid such as the agricultural chemicals, chemical fertilizer, water in the fields such as agricultural production, plant protection.It is installed on
The ejecting device of sprinkling system pipeline termination is used to liquid being sprayed to crop surface.The valve element of existing ejecting device is by multiple
Spare part forms, and structure is more complicated, and in use due to component aging mismate between causing each component, and then make
The reliability for obtaining ejecting device is relatively low.
The content of the invention
In view of this, it is necessary to provide a kind of pressure accumulation sealing mechanism to solve the above problems and including the pressure accumulation sealer
The ejecting device of structure.
A kind of pressure accumulation sealing mechanism, including inlet, liquid outlet and be arranged on the inlet and the liquid outlet it
Between valve element, it is characterised in that：The valve element is formed in one structure, and elastic deformation can occur；
Wherein, inlet described in the seal spool, and when the hydraulic pressure of the inlet reaches predetermined value, the valve
Core produces elastic deformation and releases the sealing to the inlet.
A kind of ejecting device, including：
Pressure accumulation sealing mechanism, including inlet, liquid outlet and be arranged between the inlet and the liquid outlet
Valve element, the valve element are formed in one structure, and elastic deformation can occur, inlet described in the seal spool, and
When the hydraulic pressure of the inlet reaches predetermined value, the valve element produces elastic deformation and releases the sealing to the inlet；
And
Nozzle mechanism, is connected to the pressure accumulation sealing mechanism, and the nozzle mechanism connects with the liquid outlet.
Relative to prior art, pressure accumulation sealing mechanism and ejecting device provided by the invention, due to the pressure accumulation sealer
The valve element of structure is formed in one mechanism, inlet described in the seal spool, and can reach predetermined in the inlet hydraulic pressure
During value, sealing of the elastic deformation releasing to the inlet is produced, it is more simple than the valve element of the composition such as valve rod and spring, structure
It is single, and then simplify the structure of pressure accumulation sealing mechanism and ejecting device, when avoiding that combination forms valve element in the prior art, due to
Because aging causes mismate between core assembly, the problem of causing pressure accumulation sealing mechanism and relatively low ejecting device reliability.
Brief description of the drawings
Fig. 1 is the exploded view for the ejecting device that embodiment of the present invention provides.
Fig. 2 is the profile of a slice location of the ejecting device for the sealing state that embodiment of the present invention provides.
Fig. 3 is the profile of another slice location of the ejecting device for the sealing state that embodiment of the present invention provides, should
Slice location passes through the liquid outlet of the ejecting device.
Fig. 4 is the semi-cutaway of valve element described in Fig. 1.
Fig. 5 is the conducting state figure of the ejecting device shown in Fig. 2.
Main element symbol description
Ejecting device 100
Pressure accumulation sealing mechanism 10
Nozzle mechanism 70
Pipeline configuration 20
Valve element 60
Runner 201
Inlet (valve port) 202
Valve element installation portion 203
Liquid outlet 204
Bonnet 30
Valve casing 40
Sealing ring 50
Flow into end 31
Outflow end 33
First inner sleeve 331
First outer sleeve 335
Joint face 336
Internal thread 337
Liquid inlet 41
Outlet end 43
Second inner sleeve 411
Second outer sleeve 415
External screw thread 416
Positioning boss 417
First lock solid structure 431
Sealing 61
Elastic portion 64
Connecting portion 67
Diversion division 68
Hollow cavity 69
Sealing surface 611
Pressure accumulation chamber 101
Second lock solid structure 71
Filter screen 72
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it
Can be set directly on another component or may be simultaneously present component placed in the middle.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Below in conjunction with the accompanying drawings, some embodiments of the present invention are elaborated.It is following in the case where not conflicting
Feature in embodiment and embodiment can be mutually combined.
Referring to Fig. 1, the ejecting device 100 that embodiment of the present invention provides includes pressure accumulation sealing mechanism 10 and nozzle mechanism
70.The nozzle mechanism 70 is connected to the pressure accumulation sealing mechanism 10.
Also referring to Fig. 1 and Fig. 2, the pressure accumulation sealing mechanism 10 includes pipeline configuration 20 and valve element 60.The valve element
It is arranged on inside the pipeline configuration 20.
Runner 201, inlet (valve port) 202, valve element installation portion 203 and liquid outlet are provided with the pipeline configuration 20
204.The inlet (valve port) 202 and the liquid outlet 204 are respectively positioned in the runner 201, and with the runner
201 are connected.The valve element installation portion 203 is located inside the pipeline configuration 20.
The pipeline configuration 20 includes bonnet 30, valve casing 40 and sealing ring 50.The bonnet 30 and the valve casing 40 are mutual
Connection.The sealing ring 50 is used for the junction for sealing the bonnet 30 and the valve casing 40.The inlet (valve port) 202
It is opened on the bonnet 30.The liquid outlet 204 is opened on the valve casing 40.
Also referring to Fig. 2 and Fig. 3, in present embodiment, the bonnet 30 is generally L-shaped.The bonnet 30 is hollow
Tubular structure.The bonnet 30 includes flowing into end 31 and outflow end 33.The inflow end 31 is substantially vertical with the outflow end 33
It is connected.The inflow end 31 can be connected with a device for storing liquid (not shown) and it is internal with being connected inside the device for storing liquid.
It is appreciated that in other embodiments, the inflow end 31 can be linearly connected with the outflow end 33, or
Other any appropriate angle connections of person, or the shaped form connection of any shape.
The outflow end 33 includes the first inner sleeve 331 and the first outer sleeve 335.First inner sleeve 331 is arranged at
In first outer sleeve 335, and connected with the inflow end 31.In present embodiment, first outer sleeve 335 is connected to
The outer wall of first inner sleeve 331.Preferably, first outer sleeve 335 and the 331 coaxial setting of the first inner sleeve.
In the illustrated embodiment, first outer sleeve 335 is internally formed two-stage hierarchic structure.First outer sleeve
335 is (that is, described less than its one end away from first inner sleeve 331 close to the aperture of one end of first inner sleeve 331
The free end of first outer sleeve 335) aperture.First outer sleeve 335 includes the company being connected between two-stage hierarchic structure
Junction 336.In present embodiment, the inwall of the free end of first outer sleeve 335 is formed with internal thread 337.This embodiment party
In formula, the inlet (valve port) 202 is opened in the end of first inner sleeve 331.
It is appreciated that in other embodiment, the inside of the first outer sleeve 335 can be in multistage hierarchic structure.
The valve casing 40 is connected to the bonnet 30.It is in substantially hollow tubular structure, including enter liquid inside the valve casing 40
End 41 and outlet end 43.
The liquid inlet 41 includes the second inner sleeve 411 and the second outer sleeve 415.Second inner sleeve 411 is arranged at
Inside second outer sleeve 415.In the shown embodiment, one end of second outer sleeve 415 is connected to described second
The outer wall of inner sleeve 411.Preferably, second inner sleeve 411 and the 415 coaxial setting of the second outer sleeve.This embodiment party
In formula, the valve element installation portion 203 is arranged on the end of second inner sleeve 411, and the liquid outlet 204 is opened in described
Between two outer sleeves 415 and second inner sleeve 411.The liquid outlet 204 is communicated to the outlet end 43.It is appreciated that
In other embodiment, the liquid outlet 204 can be also opened on second inner sleeve 411.
Cooperation of the valve casing 40 with the bonnet 30 by second outer sleeve 415 and first outer sleeve 335
It is connected with each other.In present embodiment, the outer wall of second outer sleeve 415 is provided with the outer spiral shell coordinated with the internal thread 337
Line 416.
It is appreciated that in other embodiment, external screw thread is provided with outside the free end of first outer sleeve 335, institute
That states the second outer sleeve 415 is internally provided with the internal thread coordinated with the external screw thread.
It is appreciated that in other embodiment, first outer sleeve 335 also can snapping with second outer sleeve 415
It is fixed.
End set of second outer sleeve 415 away from second inner sleeve 411 has positioning boss 417.This implementation
In mode, the external diameter of the positioning boss 417 gradually subtracts with the increase with the distance between second outer sleeve 415
It is small.
The outlet end 43 is interconnected with the liquid inlet 41.The outer wall of the outlet end 43 is provided with the first locking knot
Structure 431.
The sealing ring 50 is fixed between the bonnet 30 and the valve casing 40, for seal the bonnet 30 with it is described
The junction of valve casing 40.In present embodiment, the sealing ring 50 is clamping in the positioning boss 417 and the company of the hierarchic structure
Between junction 336, for sealing the junction of first outer sleeve 335 and second outer sleeve 415.It is appreciated that its
In his embodiment, the sealing ring 50 can omit.
Also referring to Fig. 2 to Fig. 4, the valve element 60 is arranged in the runner 201 and is arranged at the inlet (valve
Doorway) between 202 and the liquid outlet 204.In present embodiment, the valve element 60 is arranged on the valve casing 40.Specifically,
The valve element 60 and the valve element installation portion 203 of the end positioned at second inner sleeve 411 are detachably connected, for controlling
The open and close of the inlet (valve port) 202.
Also referring to Fig. 2, Fig. 3 and Fig. 5, specifically in the illustrated embodiment, second inner sleeve 411 and described second
Outer sleeve 415 is arranged at intervals, and makes to form annular groove between second inner sleeve 411 and second outer sleeve 415.The valve
Core 60 is arranged in second inner sleeve 411.The inwall of the bottom of the annular groove and/or second inner sleeve 411 is set
There is flowing hole.Liquid first passes through second inner sleeve 411, after the valve element 60 opening, is flowed into the annular groove, enters
Row shunting；Liquid outlet 204 is flowed into by the flowing hole again, is confluxed.
When the water pump (not shown) connected with the runner 201 is stopped, the hydraulic pressure in the runner 201 gradually drops
It is low, until the hydraulic pressure of the annular groove is more than the hydraulic pressure of runner 201, the elastic portion of the liquid extruding valve element 20 of the annular groove
60, the valve element 20 is again sealed off the valve port 202 so that after water pump stopping water clock not occurring for the nozzle.
In present embodiment, the valve element 60 is formed in one structure, and elastic deformation can occur.The valve element 60
Abutted with the elasticity of the first inner sleeve 331.The valve element 60 seals the inlet (valve port) 202, and it is described enter
When the hydraulic pressure of liquid mouth (valve port) 202 reaches predetermined value, the valve element 60 produces elastic deformation and released to the inlet
Sealing.In present embodiment, the valve element 60 is made of elastic resin materials such as rubber or silica gel.
Referring to Fig. 4, the valve element 60 includes sealing 61, elastic portion 64, connecting portion 67 and diversion division 68.The elasticity
Portion 64 is connected between the sealing 61 and the connecting portion 67.
The sealing 61 includes the sealing surface 611 away from the connecting portion 67.Described in the elasticity of sealing surface 611 abuts
The end of first inner sleeve 331, to realize sealing and conducting to first inner sleeve 331.
The elastic portion 64 is connected to the sealing 61.The elastic portion 64 can support the pretension of sealing 61
In the inlet (valve port) 202, so that the sealing 61 seals the inlet (valve port) 202.In the feed liquor
When the hydraulic pressure of mouth (valve port) 202 reaches predetermined value, the sealing 61, which compresses the elastic portion 64, sends out the elastic portion 64
Raw elastic deformation, releases the sealing to the inlet (valve port) 202.
The elastic portion 64 can be caved in along the vertical direction of the axial direction of valve element 60, evagination or multistage bending are set.This reality
Apply in mode, the elastic portion 64 is to be set along the vertical direction of the axial direction of valve element 60 to the inner recess of valve element 60.Institute
State elastic portion 64 and surround a hollow cavity jointly with the sealing 61, in favor of the elastic deformation of the elastic portion 64.
The connecting portion 67 is connected to end of the elastic portion 64 away from the sealing 61.The connecting portion 67 is used for
The valve casing 40 is detachably connected, and the valve element 60 is arranged on the valve casing 40.In present embodiment, the connecting portion
67 be holding section.The valve casing 40 is provided with the auxiliary section with the holding section phase clamping.In present embodiment, the valve element installation
Portion 203 is the auxiliary section with the holding section phase clamping.In schematic embodiments, the connecting portion 67 is detachably connected to
On second inner sleeve 411.The connecting portion 67 is annular buckle structure.
The diversion division 68 is from the sealing 61 to the direction projection away from the elastic portion 64.The diversion division 68 is convex
Stretch into the inlet (valve port) 202.In schematic embodiments, the diversion division 68 is from the middle part projection of sealing surface 611.
The diversion division 68 is generally conical shape or taper type.The diameter of the diversion division 68 between the sealing surface 611 away from
From increase and be gradually reduced.
In present embodiment, the valve element 60 is tube structure.Close to form the sealing in one end of the tube structure
Portion 61.The side wall of the tube structure forms the elastic portion 64.The other end opening of the tube structure forms the company
Socket part 67.It is outwardly in the middle part of the end face of the blind end of the tube structure to form the diversion division 68.
First outer sleeve 335, second outer sleeve 415, the sealing ring 50, first inner sleeve 331, institute
The elastic portion 64 for stating the second inner sleeve 411 and the valve element 60 surrounds a pressure accumulation chamber 101 jointly.The pressure accumulation chamber 101 passes through institute
The outlet end 43 that liquid outlet 204 is stated with the valve casing 40 connects.
It is appreciated that in other embodiment, the liquid outlet 204 or the elastic portion 64 for being opened in the valve element 60
Or the opening on connecting portion 67.The pressure accumulation chamber 101 is by being opened on elastic portion 64 or the connecting portion 67 of the valve element 60
Opening and the outlet end 43 of the valve casing 40 are interconnected.
The nozzle mechanism 70 is fixed on end of the valve casing 40 away from the bonnet 30.That is, described nozzle mechanism 70
It is fixed on the outlet end 43 of the valve casing 40.In present embodiment, the nozzle mechanism 70 by screw lock be fixed on it is described
On valve casing 40.Specifically, the nozzle mechanism 70 includes one second lock solid structure 71.Second lock solid structure 71 and described the
One lock solid structure 431 cooperates, so that the nozzle mechanism 70 is fixed on the outlet end 43 of the valve casing 40.The nozzle machine
Filter screen 72 is provided with structure 70.The filter screen 72 is protruded out in the valve casing 40.
Also referring to Fig. 3 and Fig. 5, during work, when the hydraulic pressure in the first inner sleeve 331 of the bonnet 30, to be less than one pre-
During definite value, the pretension of sealing surface 611 of the sealing 61 is held in first inner sleeve by the elastic portion 64 of the valve element 60
331 end, the inlet (valve port) 202 is sealed；When the hydraulic pressure in the first inner sleeve 331 of the bonnet 30 reaches
During to the predetermined value, the elastic portion 64 of the valve element 60 produces elastic deformation, the sealing surface of the sealing 61 of the valve element 60
611 separate with the end of first inner sleeve 331, so as to release the sealing surface 611 of the sealing 61 to the inlet
The sealing of (valve port) 202, so that first inner sleeve 331 turns on the pressure accumulation chamber 101.It is described in present embodiment
Predetermined value is the minimum hydraulic pressure for making the sealing surface 611 of the sealing 61 be separated with first inner sleeve 331.
Relative to prior art, pressure accumulation sealing mechanism and ejecting device provided by the invention, due to the pressure accumulation sealer
The valve element of structure is formed in one mechanism, inlet described in the seal spool, and can reach predetermined in the inlet hydraulic pressure
During value, sealing of the elastic deformation releasing to the inlet is produced, it is more simple than the valve element of the composition such as valve rod and spring, structure
It is single, and then simplify the structure of pressure accumulation sealing mechanism and ejecting device, when avoiding that combination forms valve element in the prior art, due to
Because aging causes mismate between core assembly, the problem of causing pressure accumulation sealing mechanism and relatively low ejecting device reliability.
For the person of ordinary skill of the art, can be made with technique according to the invention design other various corresponding
Change and deformation, and all these changes and deformation should all belong to the protection domains of the claims in the present invention.
Claims (60)
1. a kind of pressure accumulation sealing mechanism, including inlet, liquid outlet and it is arranged between the inlet and the liquid outlet
Valve element, it is characterised in that：The valve element is formed in one structure, and elastic deformation can occur；
Wherein, inlet described in the seal spool, and when the hydraulic pressure of the inlet reaches predetermined value, the valve element production
Give birth to elastic deformation and release the sealing to the inlet.
2. pressure accumulation sealing mechanism as claimed in claim 1, it is characterised in that the valve element includes sealing and is connected to described
The sealing pretension can be held in the inlet, the both seals by the elastic portion of sealing, the elastic portion
The inlet；
Wherein, when the hydraulic pressure of the inlet reaches predetermined value, the sealing, which compresses the elastic portion, makes the elastic portion
Generation elastic deformation, release the sealing to the inlet.
3. pressure accumulation sealing mechanism as claimed in claim 2, it is characterised in that the valve element also includes protruding out from the sealing
Enter the diversion division in the inlet.
4. pressure accumulation sealing mechanism as claimed in claim 3, it is characterised in that the diameter of the diversion division with the sealing
The distance between increase and be gradually reduced.
5. pressure accumulation sealing mechanism as claimed in claim 3, it is characterised in that the diversion division is taper or taper type.
6. pressure accumulation sealing mechanism as claimed in claim 2, it is characterised in that the sealing is surrounded in one jointly with elastic portion
Cavity body.
7. pressure accumulation sealing mechanism as claimed in claim 2, it is characterised in that the elastic portion is vertical along valve element axial direction
Direction is caved in, evagination or multistage bending are set.
8. pressure accumulation sealing mechanism as claimed in claim 2, it is characterised in that the pressure accumulation sealing mechanism also includes bonnet, institute
Inlet is stated to be arranged in the bonnet.
9. pressure accumulation sealing mechanism as claimed in claim 8, it is characterised in that the pressure accumulation sealing mechanism also includes being connected to institute
The valve casing of bonnet is stated, the liquid outlet is opened on the valve casing, and the valve element is arranged on the valve casing.
10. pressure accumulation sealing mechanism as claimed in claim 9, it is characterised in that the pressure accumulation sealing mechanism also includes sealing ring,
The sealing ring is fixed on the junction of the bonnet and the valve casing.
11. pressure accumulation sealing mechanism as claimed in claim 9, it is characterised in that the bonnet includes the first outer sleeve, the valve
Shell includes the second outer sleeve, cooperation phase of the bonnet with the valve casing by first outer sleeve and second outer sleeve
Connect.
12. pressure accumulation sealing mechanism as claimed in claim 11, it is characterised in that first outer sleeve and second overcoat
Cylinder by be spirally connected or snap fit coordinate.
13. pressure accumulation sealing mechanism as claimed in claim 11, it is characterised in that the valve casing includes being located at second overcoat
The second inner sleeve in cylinder, the valve element are fixed on second inner sleeve.
14. pressure accumulation sealing mechanism as claimed in claim 13, it is characterised in that second inner sleeve and second overcoat
The coaxial setting of cylinder.
15. pressure accumulation sealing mechanism as claimed in claim 13, it is characterised in that the liquid outlet is opened in second inner sleeve
On cylinder.
16. pressure accumulation sealing mechanism as claimed in claim 15, it is characterised in that the bonnet also includes outside described first
The first inner sleeve in sleeve, the inlet are opened in the end of first inner sleeve.
17. pressure accumulation sealing mechanism as claimed in claim 16, it is characterised in that first inner sleeve and first overcoat
The coaxial setting of cylinder.
18. pressure accumulation sealing mechanism as claimed in claim 16, it is characterised in that one end of first outer sleeve is connected to institute
State the outer wall of the first inner sleeve, one end of second outer sleeve is connected to the outer wall of second inner sleeve, outside described first
The free end of the sleeve and free end of second outer sleeve is spirally connected or snapping is fixed.
19. pressure accumulation sealing mechanism as claimed in claim 18, it is characterised in that set inside the free end of first outer sleeve
Internal thread is equipped with, the outside of second outer sleeve is provided with the external screw thread with the screw-internal thread fit.
20. pressure accumulation sealing mechanism as claimed in claim 18, it is characterised in that the end set of second outer sleeve has fixed
Position boss.
21. pressure accumulation sealing mechanism as claimed in claim 20, it is characterised in that first outer sleeve has been internally formed ladder
Structure, sealing ring are clamping between the hierarchic structure and the positioning boss.
22. pressure accumulation sealing mechanism as claimed in claim 21, it is characterised in that first outer sleeve, the sealing ring,
Two outer sleeves, the first inner sleeve, the second inner sleeve and the valve element surround pressure accumulation chamber jointly.
23. pressure accumulation sealing mechanism as claimed in claim 22, it is characterised in that the liquid outlet is opened in second overcoat
Between cylinder and second inner sleeve.
24. pressure accumulation sealing mechanism as claimed in claim 9, it is characterised in that the valve element also includes remote with the elastic portion
From the connecting portion of described sealing one end connection, the connecting portion is used to be detachably connected with the valve casing.
25. pressure accumulation sealing mechanism as claimed in claim 24, it is characterised in that the connecting portion is holding section, the valve casing
Provided with the auxiliary section with the holding section phase clamping.
26. pressure accumulation sealing mechanism as claimed in claim 25, it is characterised in that the holding section is annular buckle structure.
27. pressure accumulation sealing mechanism as claimed in claim 24, it is characterised in that the valve element is tube structure, the cylinder
One end closing of structure, forms the sealing, the side wall of the tube structure forms the elastic portion.
28. pressure accumulation sealing mechanism as claimed in claim 27, it is characterised in that the other end opening of the tube structure,
Form the connecting portion.
29. pressure accumulation sealing mechanism as claimed in claim 27, it is characterised in that in the end face of the blind end of the tube structure
Portion is outwardly, forms diversion division.
30. a kind of ejecting device, including：
Pressure accumulation sealing mechanism, including inlet, liquid outlet and the valve being arranged between the inlet and the liquid outlet
Core, the valve element are formed in one structure, and elastic deformation can occur, inlet described in the seal spool, and
When the hydraulic pressure of the inlet reaches predetermined value, the valve element produces elastic deformation and releases the sealing to the inlet；With
And
Nozzle mechanism, is connected to the pressure accumulation sealing mechanism, and the nozzle mechanism connects with the liquid outlet.
31. ejecting device as claimed in claim 30, it is characterised in that the valve element includes sealing and is connected to described close
The sealing pretension can be held in the inlet, the both seals institute by the elastic portion in envelope portion, the elastic portion
State inlet；
Wherein, when the hydraulic pressure of the inlet reaches predetermined value, the sealing, which compresses the elastic portion, makes the elastic portion
Generation elastic deformation, release the sealing to the inlet.
32. ejecting device as claimed in claim 31, it is characterised in that the valve element also includes protruding into from the sealing
Diversion division in the inlet.
33. ejecting device as claimed in claim 32, it is characterised in that the diameter of the diversion division with the sealing it
Between distance increase and be gradually reduced.
34. ejecting device as claimed in claim 32, it is characterised in that the diversion division is taper or taper type.
35. ejecting device as claimed in claim 31, it is characterised in that it is hollow that the sealing surrounds one with elastic portion jointly
Cavity.
36. ejecting device as claimed in claim 31, it is characterised in that Vertical Square of the elastic portion along valve element axial direction
To cave in, evagination or multistage bending are set.
37. ejecting device as claimed in claim 30, it is characterised in that the pressure accumulation sealing mechanism also includes bonnet, described
Inlet is arranged in the bonnet.
38. ejecting device as claimed in claim 37, it is characterised in that the pressure accumulation sealing mechanism is also described including being connected to
The valve casing of bonnet, the liquid outlet are opened on the valve casing, and the valve element is arranged on the valve casing.
39. ejecting device as claimed in claim 38, it is characterised in that the pressure accumulation sealing mechanism also includes sealing ring, institute
State the junction that sealing ring is fixed on the bonnet and the valve casing.
40. ejecting device as claimed in claim 38, it is characterised in that the bonnet includes the first outer sleeve, the valve casing
Including the second outer sleeve, the bonnet is mutual by the cooperation of first outer sleeve and second outer sleeve with the bonnet
Connection.
41. ejecting device as claimed in claim 40, it is characterised in that first outer sleeve leads to second outer sleeve
Cross be spirally connected or snap fit coordinate.
42. ejecting device as claimed in claim 40, it is characterised in that the valve casing is included in second outer sleeve
The second inner sleeve, the valve element be arranged on second inner sleeve on.
43. ejecting device as claimed in claim 42, it is characterised in that second inner sleeve is total to second outer sleeve
Axle is set.
44. ejecting device as claimed in claim 42, it is characterised in that the liquid outlet is opened in second inner sleeve
On.
45. ejecting device as claimed in claim 44, it is characterised in that the bonnet also includes being located at first outer sleeve
The first interior inner sleeve, the inlet are opened in the end of first inner sleeve.
46. ejecting device as claimed in claim 45, it is characterised in that first inner sleeve is total to first outer sleeve
Axle is set.
47. ejecting device as claimed in claim 45, it is characterised in that one end of first outer sleeve is connected to described
The outer wall of one inner sleeve, one end of second outer sleeve are connected to the outer wall of second inner sleeve, first outer sleeve
Free end and the free end of second outer sleeve be spirally connected or snapping is fixed.
48. ejecting device as claimed in claim 47, it is characterised in that the free end of first outer sleeve is internally provided with
Internal thread, the outside of second outer sleeve are provided with the external screw thread with the screw-internal thread fit.
49. ejecting device as claimed in claim 47, it is characterised in that the end set of second outer sleeve has convex
Platform.
50. ejecting device as claimed in claim 49, it is characterised in that first outer sleeve has been internally formed ladder knot
Structure, sealing ring are clamping between the hierarchic structure and the positioning boss.
51. ejecting device as claimed in claim 50, it is characterised in that first outer sleeve, the sealing ring, outside second
Sleeve, the first inner sleeve, the second inner sleeve and the valve element surround pressure accumulation chamber jointly.
52. ejecting device as claimed in claim 51, it is characterised in that the liquid outlet be opened in second outer sleeve with
Between second inner sleeve.
53. ejecting device as claimed in claim 38, it is characterised in that the valve element also includes with the elastic portion away from institute
The connecting portion of sealing one end connection is stated, the connecting portion is used to be detachably connected with the valve casing.
54. ejecting device as claimed in claim 53, it is characterised in that the connecting portion is holding section, and the valve casing is provided with
With the auxiliary section of the holding section phase clamping.
55. ejecting device as claimed in claim 54, it is characterised in that the holding section is annular buckle structure.
56. ejecting device as claimed in claim 53, it is characterised in that the valve element is tube structure, the tube structure
One end closing, form the sealing, the side wall of the tube structure forms the elastic portion.
57. ejecting device as claimed in claim 56, it is characterised in that the other end opening of the tube structure, formed
The connecting portion.
58. ejecting device as claimed in claim 56, it is characterised in that in the middle part of the end face of the blind end of the tube structure to
Outer protrusion, form diversion division.
59. ejecting device as claimed in claim 38, it is characterised in that the nozzle mechanism is arranged on the valve casing away from institute
State the end of bonnet.
60. ejecting device as claimed in claim 53, it is characterised in that filter screen, the filter are provided with the nozzle mechanism
Net is protruded out in the valve casing.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/080807 WO2017185373A1 (en) | 2016-04-29 | 2016-04-29 | Pressure accumulation sealing mechanism and nozzle apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107466252A true CN107466252A (en) | 2017-12-12 |
| CN107466252B CN107466252B (en) | 2019-05-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680004372.9A Active CN107466252B (en) | 2016-04-29 | 2016-04-29 | Pressure accumulation sealing mechanism and ejecting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107466252B (en) |
| WO (1) | WO2017185373A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4381019A (en) * | 1981-07-06 | 1983-04-26 | Sid Harvey, Inc. | Pressure responsive valve |
| US5165449A (en) * | 1990-08-08 | 1992-11-24 | Samsung Electronics Co., Ltd. | Discharge valve for a compressor |
| JPH11182432A (en) * | 1997-12-17 | 1999-07-06 | Sanden Corp | Valve structure of compressor |
| EP0934757A2 (en) * | 1998-02-08 | 1999-08-11 | 3BY Limited | Check valve |
| US20090217988A1 (en) * | 2006-03-02 | 2009-09-03 | Global Valve Technology Limited | Dual seal valve |
| CN201475439U (en) * | 2009-07-11 | 2010-05-19 | 华尚兴 | One-way check valve for sprayer |
| CN203202319U (en) * | 2013-03-15 | 2013-09-18 | 应瑛 | Medical single-way valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5561492B2 (en) * | 2011-11-04 | 2014-07-30 | Ｓｍｃ株式会社 | Check valve |
| JP6063224B2 (en) * | 2012-09-26 | 2017-01-18 | 株式会社ニフコ | Check valve |
-
2016
- 2016-04-29 CN CN201680004372.9A patent/CN107466252B/en active Active
- 2016-04-29 WO PCT/CN2016/080807 patent/WO2017185373A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4381019A (en) * | 1981-07-06 | 1983-04-26 | Sid Harvey, Inc. | Pressure responsive valve |
| US5165449A (en) * | 1990-08-08 | 1992-11-24 | Samsung Electronics Co., Ltd. | Discharge valve for a compressor |
| JPH11182432A (en) * | 1997-12-17 | 1999-07-06 | Sanden Corp | Valve structure of compressor |
| EP0934757A2 (en) * | 1998-02-08 | 1999-08-11 | 3BY Limited | Check valve |
| US20090217988A1 (en) * | 2006-03-02 | 2009-09-03 | Global Valve Technology Limited | Dual seal valve |
| CN201475439U (en) * | 2009-07-11 | 2010-05-19 | 华尚兴 | One-way check valve for sprayer |
| CN203202319U (en) * | 2013-03-15 | 2013-09-18 | 应瑛 | Medical single-way valve |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017185373A1 (en) | 2017-11-02 |
| CN107466252B (en) | 2019-05-31 |
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