CN108692046A - A kind of Double-wing-plate supports by force decompression gate valve - Google Patents
A kind of Double-wing-plate supports by force decompression gate valve Download PDFInfo
- Publication number
- CN108692046A CN108692046A CN201810706429.0A CN201810706429A CN108692046A CN 108692046 A CN108692046 A CN 108692046A CN 201810706429 A CN201810706429 A CN 201810706429A CN 108692046 A CN108692046 A CN 108692046A
- Authority
- CN
- China
- Prior art keywords
- wing
- valve
- plate
- arc portion
- umbrella
- 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
Links
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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0209—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor the valve having a particular passage, e.g. provided with a filter, throttle or safety device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/025—Pressure reducing valves
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/36—Features relating to lubrication
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
Abstract
A kind of Double-wing-plate supports by force decompression gate valve, and the decompression gate valve includes valve body, lower valve rod, stuffing-box, filler, gland, valve rod supporting rack, holder, flange, bearing, grease fitting, upper valve rod, support ring, support base, flashboard, thieff hatch, the umbrella wing, the plate wing, first step, the first arc portion, second step, the second arc portion, third arc portion.It is equipped with through-hole in the flashboard, is equipped with pressure reducing valve in the through-hole, the structure of relief pressure valve is as follows:Pressure reducing valve is arranged in the through-hole, pressure reducing valve includes the plate wing positioned at the umbrella wing in downstream side and positioned at upstream side, it is connected by bar between the umbrella wing and the plate wing, the diameter of the umbrella wing is more than the diameter of the plate wing, the upper end of the umbrella wing is concordant with the upper end of the plate wing, the upper end of the umbrella wing is pivotally connected with the flashboard, and the upper end of the plate wing is connect with the ram seal.
Description
Technical field
The present invention relates to fluids to control related field, and in particular to a kind of Double-wing-plate, which support by force, depressurizes gate valve.
Background technology
It is common execution system that hydraulic cylinder, which executes system, is controlled by hydraulic-driven main road and hydraulic-driven branch
Hydraulic cylinder processed moves back and forth, and is driven.Gate valve is common components therein.
In actual use, existing execution system and gate valve have the following problems:
1, the prior art hydraulic pressure execute circuit in, it is main driving oil circuit as hydraulic fluid mainly by path, tend to
There are various unusual service conditions, when occurring abnormal, for example the operating mode for having overvoltage occurs, and leads to line fracture or other events
Barrier.
2, the gate valve of the prior art often only has cutting function, and complicated various operating modes can not be adapted to by having a single function.
3, the check valve of the prior art is due to being dynamic sealing, such as the cooperation of spring and ball and valve seat, it is difficult to realize good
Good sealing.And after usage time is long, spring performance declines, and ball can not be accurately aimed at valve seat mouth.
4, in specifically adaptation working environment, size can not adjust the gate valve of the prior art in real time, especially driving part,
When cut-out body size can not adjust, the adjustment of actuator size is often particularly important.
5, the valve rod Adjusted Option of the prior art, often retractility is enough, but firmness is inadequate, can not be heavily loaded long-term
It uses.
6, driving source needs more to safeguard, lacks maintenance service in the prior art due to being used for a long time.
Invention content
In order to overcome the above problem, the present invention to propose while solving the valve of above-mentioned various problems.
The technical solution adopted by the present invention to solve the technical problems is:A kind of Double-wing-plate supports by force decompression gate valve, described
It includes valve body, lower valve rod, stuffing-box, filler, gland, valve rod supporting rack, holder, flange, bearing, lubricating oil to depressurize gate valve
Mouth, upper valve rod, support ring, support base, flashboard, thieff hatch, the umbrella wing, the plate wing, first step, the first arc portion, second step, second
Arc portion, third arc portion;Holder is equipped with above valve body, valve body is bolted with holder, equipped with flange above holder, in holder
Portion is equipped with valve rod supporting rack, and valve rod supporting rack end is equipped with support base, support ring, support ring upper and lower ends are equipped with above support base
It is socketed in respectively on upper and lower valve rod, upper valve rod is threadedly coupled with lower valve rod, is connected through a screw thread the opposite of the upper and lower valve rod of adjustment
Position;
Upper valve rod upper end is stretched into flange, and upper valve rod is located at the setting of the part periphery in flange bearing, flange top and other portions
Part connects, and flange right side wall is equipped with opening, and grease fitting is arranged in the opening;The upstream side that valve body is located at flow path is equipped with sampling
Hole is equipped with pressure sensor in thieff hatch and detects pressure;It is equipped with through-hole in the flashboard, pressure reducing valve, institute are equipped in the through-hole
It is as follows to state structure of relief pressure valve:Pressure reducing valve is arranged in the through-hole, and pressure reducing valve includes positioned at the umbrella wing in downstream side and positioned at upstream
The plate wing of side, is connected between the umbrella wing and the plate wing by bar, and the diameter of the umbrella wing is more than the diameter of the plate wing, the umbrella wing
Upper end is concordant with the upper end of the plate wing, and upper end and the flashboard of the umbrella wing are pivotally connected, upper end and the lock of the plate wing
Plate is tightly connected;
The through-hole upper end be equipped with third arc portion, the through-hole lower end be equipped with first step, second step, the first arc portion, second
Arc portion, first step, the first arc portion, second step, the second arc portion are smoothly connected successively from top to bottom, and the first step is constituted
First valve seat, when pressure reducing valve closed state described in the first valve seat sealing is abutted with the plate wing, the second step constitutes second
Valve seat, when closed state described in the second valve seat sealing is abutted with the umbrella wing, first, second, third arc portion constitutes double-vane
It is each provided with magnetic patch in the space of plate movement locus, the second valve seat described in abutted position and the umbrella wing.
Preferably, described in decompression valve opening position in third arc portion with magnetic patch, corresponding structure are each provided in the umbrella wing
Attract at magnetic force, attractive magnetic force is less than the gravity of the umbrella wing.
Preferably, the bearing is two.
Preferably, the filler includes graphite linings, sealing ring layer.
Preferably, the valve body is equipped with valve seat and coordinates with the flashboard.
Preferably, the pressure signal transmission in the pressure sensor is to external control device.
Preferably, the valve body upper end is equipped with valve deck.
Preferably, the valve deck is equipped with supporting sleeve, and support is set on the outside of the stuffing-box.
The beneficial effects of the invention are as follows:
1, the 1st, 2 point proposed for background technology, has used pressure reducing valve in gate valve, and gate valve is made to have more functions, fits
Answer more complicated operating mode.
2, the 3rd point proposed for background technology, pressure reducing valve is attached in gate valve, is used in the pressure reducing valve in gate valve
The structure of Double-wing-plate, double-valve-seat, while realizing dual-seal;Plateau seal is realized further through strong sealing element, is belonged to
Pioneering design inventive point.
3, it is directed to the 4th point of background technology, size adjusting structure is used, is adapted to different working environments so that driving portion
Part size adjustable.
4, it is directed to the 5th point of background technology, uses strong support construction, supports support ring, support ring steady by holder, pedestal
Admittedly upper lower valve rod, solves the problems, such as telescopic rod intensity difference in the prior art, belongs to pioneering design inventive point.
5, it is directed to the 6th point of background technology, is additionally arranged grease fitting, it is convenient that daily maintenance is carried out to driving source.
Note:Above-mentioned design in no particular order, each all make the present invention compared with the prior art have difference and significantly into
Step.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is prior art decompression valve type gate valve figure.
Fig. 2 is gate valve overall schematic of the present invention.
Fig. 3 is flashboard structure Local map of the present invention.
In figure, reference numeral is as follows:
1, valve body 2, lower valve rod 3, stuffing-box 4, filler 5, gland 6, valve rod supporting rack 7, holder 8, flange 9, bearing 10,
Grease fitting 11, upper valve rod 12, support ring 13, support base 14, flashboard 15, thieff hatch 16, the umbrella wing 17, the plate wing 18, First
Rank 19, the first arc portion 20, second step 21, the second arc portion 22, third arc portion.
Specific implementation mode
As shown in the figure:A kind of Double-wing-plate supports by force decompression gate valve, the decompression gate valve include valve body, lower valve rod, stuffing-box,
Filler, valve rod supporting rack, holder, flange, bearing, grease fitting, upper valve rod, support ring, support base, flashboard, is adopted gland
Sample hole, the umbrella wing, the plate wing, first step, the first arc portion, second step, the second arc portion, third arc portion;Holder is equipped with above valve body,
Valve body is bolted with holder, and flange is equipped with above holder, and mid-stent is equipped with valve rod supporting rack, valve rod supporting rack end
Equipped with support base, support ring is equipped with above support base, support ring upper and lower ends are socketed in respectively on upper and lower valve rod, upper valve rod with
Lower valve rod is threadedly coupled, and is connected through a screw thread the relative position for adjusting upper and lower valve rod;
As shown in the figure:Upper valve rod upper end is stretched into flange, and upper valve rod is located at the setting of the part periphery in flange bearing, flange top
It is connect with other components, flange right side wall is equipped with opening, and grease fitting is arranged in the opening;Valve body is located at the upstream side of flow path
It is equipped with pressure sensor equipped with thieff hatch, in thieff hatch and detects pressure;It is equipped with through-hole in the flashboard, is equipped with and subtracts in the through-hole
Pressure valve, the structure of relief pressure valve are as follows:Pressure reducing valve is arranged in the through-hole, and pressure reducing valve includes the umbrella wing and position positioned at downstream side
The plate wing in upstream side, is connected between the umbrella wing and the plate wing by bar, and the diameter of the umbrella wing is more than the diameter of the plate wing, described
The upper end of the umbrella wing is concordant with the upper end of the plate wing, and the upper end of the umbrella wing is pivotally connected with the flashboard, the upper end of the plate wing with
The ram seal connection;
As shown in the figure:The through-hole upper end is equipped with third arc portion, and the through-hole lower end is equipped with first step, second step, first
Arc portion, the second arc portion, first step, the first arc portion, second step, the second arc portion are smoothly connected successively from top to bottom, and described
One step constitutes the first valve seat, when pressure reducing valve closed state described in the first valve seat abut sealing with the plate wing, described second
Rank constitutes the second valve seat, when closed state described in the second valve seat sealing, first, second, third arc are abutted with the umbrella wing
Portion constitutes the space of Double-wing-plate movement locus, and magnetic patch is each provided in the second valve seat described in abutted position and the umbrella wing.
As shown in the figure:It is each provided with magnetic patch in the umbrella wing depressurizing in third arc portion described in valve opening position, it is corresponding
It constitutes magnetic force to attract, attractive magnetic force is less than the gravity of the umbrella wing.The bearing is two.The filler includes graphite linings, close
Seal layer.The valve body is equipped with valve seat and coordinates with the flashboard.Pressure signal transmission in the pressure sensor is to external
Control device.The valve body upper end is equipped with valve deck.The valve deck is equipped with supporting sleeve, and support is set on outside the stuffing-box
Side.
Above-listed detailed description is illustrating for possible embodiments of the present invention, which is not to limit this hair
Bright the scope of the claims, all equivalence enforcements or change without departing from carried out by the present invention are intended to be limited solely by the scope of the claims of this case.
Claims (8)
1. a kind of Double-wing-plate supports by force decompression gate valve, the decompression gate valve includes valve body, lower valve rod, stuffing-box, filler, filler pressure
Lid, valve rod supporting rack, holder, flange, bearing, grease fitting, upper valve rod, support ring, support base, flashboard, thieff hatch, the umbrella wing,
The plate wing, first step, the first arc portion, second step, the second arc portion, third arc portion;It is characterized in that:Branch is equipped with above valve body
Frame, valve body are bolted with holder, and flange is equipped with above holder, and mid-stent is equipped with valve rod supporting rack, valve rod supporting rack
End is equipped with support base, is equipped with support ring above support base, support ring upper and lower ends are socketed in respectively on upper and lower valve rod, upper valve
Bar is threadedly coupled with lower valve rod, is connected through a screw thread the relative position for adjusting upper and lower valve rod;Upper valve rod upper end is stretched into flange,
Upper valve rod is located at the setting of the part periphery in flange bearing, is connect with external driving part above flange, flange right side wall is equipped with
It is open, grease fitting is set in the opening;The upstream side that valve body is located at flow path is equipped with thieff hatch, and being equipped with pressure in thieff hatch passes
Sensor detects pressure;It is equipped with through-hole in the flashboard, is equipped with pressure reducing valve in the through-hole, the structure of relief pressure valve is as follows:Decompression
Valve is arranged in the through-hole, and pressure reducing valve includes the umbrella wing positioned at downstream side and the plate wing positioned at upstream side, the umbrella wing and the plate wing it
Between connected by bar, the diameter of the umbrella wing is more than the diameter of the plate wing, the upper end of the upper end of the umbrella wing and the plate wing
Concordantly, the upper end of the umbrella wing is pivotally connected with the flashboard, and the upper end of the plate wing is connect with the ram seal;The through-hole
Upper end is equipped with third arc portion, and the through-hole lower end is equipped with first step, second step, the first arc portion, the second arc portion, First
Rank, the first arc portion, second step, the second arc portion are smoothly connected successively from top to bottom, and the first step constitutes the first valve seat, subtracts
First valve seat described in when pressure valve closed state abuts sealing with the plate wing, and the second step constitutes the second valve seat, closed form
Second valve seat described in when state abuts sealing with the umbrella wing, and first, second, third arc portion constitutes the umbrella wing and moves rail with the plate wing
It is each provided with magnetic patch in the space of mark, the second valve seat described in abutted position and the umbrella wing.
2. a kind of Double-wing-plate according to claim 1 supports by force decompression gate valve, it is characterised in that:In decompression valve opening position
Magnetic patch is each provided in the third arc portion and in the umbrella wing, the corresponding magnetic force that constitutes attracts, and attractive magnetic force is less than the umbrella wing
Gravity.
3. a kind of Double-wing-plate according to claim 1 supports by force decompression gate valve, it is characterised in that:The bearing is two.
4. a kind of Double-wing-plate according to claim 1 supports by force decompression gate valve, it is characterised in that:The filler includes graphite
Layer, sealing ring layer.
5. a kind of Double-wing-plate according to claim 1 supports by force decompression gate valve, it is characterised in that:The valve body is equipped with valve
Seat coordinates with the flashboard.
6. a kind of Double-wing-plate according to claim 1 supports by force decompression gate valve, it is characterised in that:In the pressure sensor
Pressure signal transmission to external control device.
7. a kind of Double-wing-plate according to claim 1 supports by force decompression gate valve, it is characterised in that:The valve body upper end is equipped with
Valve deck.
8. a kind of Double-wing-plate according to claim 1 supports by force decompression gate valve, it is characterised in that:The valve deck is equipped with branch
Support set, support are set on the outside of the stuffing-box.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810706429.0A CN108692046B (en) | 2018-07-02 | 2018-07-02 | A kind of Double-wing-plate supports by force decompression gate valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810706429.0A CN108692046B (en) | 2018-07-02 | 2018-07-02 | A kind of Double-wing-plate supports by force decompression gate valve |
Publications (2)
Publication Number | Publication Date |
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CN108692046A true CN108692046A (en) | 2018-10-23 |
CN108692046B CN108692046B (en) | 2019-09-06 |
Family
ID=63850202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810706429.0A Expired - Fee Related CN108692046B (en) | 2018-07-02 | 2018-07-02 | A kind of Double-wing-plate supports by force decompression gate valve |
Country Status (1)
Country | Link |
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CN (1) | CN108692046B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5214219A (en) * | 1975-07-24 | 1977-02-03 | Kubota Ltd | Sluice valve providing check valve |
CN201866300U (en) * | 2010-11-04 | 2011-06-15 | 天津百利展发集团有限公司 | Throttling type flat-plate gate valve |
CN103939631A (en) * | 2014-04-24 | 2014-07-23 | 江苏金石富源机械有限公司 | Self-driving externally-controlled two-circuit safety gate valve |
CN203906910U (en) * | 2014-05-25 | 2014-10-29 | 北科阀门制造有限公司 | Axial-flow type ball check valve |
CN107013691A (en) * | 2017-06-19 | 2017-08-04 | 苗玉岩 | Becoming can controlling valve |
-
2018
- 2018-07-02 CN CN201810706429.0A patent/CN108692046B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5214219A (en) * | 1975-07-24 | 1977-02-03 | Kubota Ltd | Sluice valve providing check valve |
CN201866300U (en) * | 2010-11-04 | 2011-06-15 | 天津百利展发集团有限公司 | Throttling type flat-plate gate valve |
CN103939631A (en) * | 2014-04-24 | 2014-07-23 | 江苏金石富源机械有限公司 | Self-driving externally-controlled two-circuit safety gate valve |
CN203906910U (en) * | 2014-05-25 | 2014-10-29 | 北科阀门制造有限公司 | Axial-flow type ball check valve |
CN107013691A (en) * | 2017-06-19 | 2017-08-04 | 苗玉岩 | Becoming can controlling valve |
Also Published As
Publication number | Publication date |
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CN108692046B (en) | 2019-09-06 |
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Granted publication date: 20190906 Termination date: 20200702 |