CN108692046B - 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
- CN108692046B CN108692046B CN201810706429.0A CN201810706429A CN108692046B CN 108692046 B CN108692046 B CN 108692046B CN 201810706429 A CN201810706429 A CN 201810706429A CN 108692046 B CN108692046 B CN 108692046B
- 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.)
- Expired - Fee Related
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 support frame, bracket, 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.Through-hole is equipped in the flashboard, pressure reducing valve is equipped 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 between the umbrella wing and the plate wing by bar, the diameter of the umbrella wing is greater than the diameter of the plate wing, and the upper end of the umbrella wing is concordant with the upper end of the plate wing, the upper end of the umbrella wing and the flashboard are pivotally connected, 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 fields, and in particular to a kind of Double-wing-plate, which support by force, depressurizes gate valve.
Background technique
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, in the hydraulic execution circuit of the prior art, the path that main driving oil circuit mainly passes through as hydraulic fluid, often
Various unusual service conditions are easy to appear, when occurring abnormal, for example the operating condition for having over-voltage occurs, and leads to line fracture or other
Failure.
2, the gate valve of the prior art often only has cutting function, and complicated various operating conditions 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 using over time, spring performance decline, 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 cutting off 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.
Summary of the invention
In order to overcome the above problem, the present invention proposes 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
Depressurizing gate valve includes valve body, lower valve rod, stuffing-box, filler, gland, valve rod support frame, bracket, flange, bearing, lubricating oil
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；Bracket is equipped with above valve body, valve body is bolted with bracket, equipped with flange above bracket, in bracket
Portion is equipped with valve rod support frame, and valve rod support frame end is equipped with support base, is equipped with support ring, support ring upper and lower ends above support base
It is socketed on upper and lower valve rod respectively, 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 protruded into flange, and upper valve rod is located at the setting of the part periphery in flange bearing, above flange and its
The connection of its component, flange right side wall are equipped with opening, grease fitting are arranged in the opening；The upstream side that valve body is located at flow path is equipped with
Thieff hatch is equipped with pressure sensor in thieff hatch and detects pressure；It is equipped with through-hole in the flashboard, is equipped with decompression in the through-hole
Valve, the structure of relief pressure valve are as follows: pressure reducing valve is arranged in the through hole, and pressure reducing valve includes being located at the umbrella wing in downstream side and being located at
The plate wing of upstream side is connected between the umbrella wing and the plate wing by bar, and the diameter of the umbrella wing is greater than the diameter of the plate wing, the umbrella
The upper end of the wing is concordant with the upper end of the plate wing, and the upper end of the umbrella wing and the flashboard are pivotally connected, the upper end of the plate wing and institute
State ram seal connection；
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,
Second arc portion, first step, the first arc portion, second step, the second arc portion are successively smoothly connected from top to bottom, the first step
Constitute the 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 is constituted
Second valve seat, when closed state described in the second valve seat sealing is abutted with the umbrella wing, first, second, third arc portion is constituted
Magnetic patch is each provided in the space of Double-wing-plate motion profile, the second valve seat described in abutted position and the umbrella wing.
Preferably, magnetic patch, corresponding structure are each provided with in the umbrella wing in third arc portion described in the decompression valve opening position
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 the flashboard cooperates.
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 support sleeve, and support is set on the outside of the stuffing-box.
The beneficial effects of the present invention are:
1, the 1st, 2 point proposed for background technique, has used pressure reducing valve in gate valve, and gate valve is made to have more function
Can, adapt to more complicated operating condition.
2, the 3rd point proposed for background technique, pressure reducing valve is integrated 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 technique, size adjusting structure is used, different working environments is adapted to, so that driving portion
Part size adjustable.
4, it is directed to the 5th point of background technique, uses strong support construction, support ring is supported by bracket, pedestal, support ring is steady
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 technique, 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.
Detailed description of the invention
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, appended drawing reference is as follows:
1, valve body 2, lower valve rod 3, stuffing-box 4, filler 5, gland 6, valve rod support frame 7, bracket 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,
One step 19, the first arc portion 20, second step 21, the second arc portion 22, third arc portion.
Specific embodiment
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 support frame, bracket, 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；Bracket is equipped with above valve body,
Valve body is bolted with bracket, and flange is equipped with above bracket, and mid-stent is equipped with valve rod support frame, valve rod support frame 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 protruded into flange, and upper valve rod is located at the setting of the part periphery in flange bearing, flange
Top is connect with other components, and flange right side wall is equipped with opening, and grease fitting is arranged in the opening；Valve body is located at the upper of flow path
It swims side and is equipped with thieff hatch, be equipped with pressure sensor in thieff hatch and detect pressure；It is equipped with through-hole in the flashboard, is set in the through-hole
Have pressure reducing valve, the structure of relief pressure valve is as follows: pressure reducing valve is arranged in the through hole, and pressure reducing valve includes the umbrella wing positioned at downstream side
With the plate wing for being located at upstream side, being connected between the umbrella wing and the plate wing by bar, the diameter of the umbrella wing is greater than the diameter of the plate wing,
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 and the flashboard are pivotally connected, the plate wing it is upper
End is connect with the ram seal；
It is as shown in the figure: the through-hole upper end be equipped with third arc portion, the through-hole lower end be 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 successively smoothly connected from top to bottom, institute
State first step and constitute the first valve seat, when pressure reducing valve closed state described in the first valve seat abut sealing with the plate wing, described the
Two steps constitute the second valve seat, when closed state described in the second valve seat abut sealing with the umbrella wing, described first, second, the
Three arc portions constitute the space of Double-wing-plate motion profile, are each provided with magnetic patch in the second valve seat described in abutted position and the umbrella wing.
It is 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 the flashboard cooperates.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 support sleeve, and support is set on outside the stuffing-box
Side.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and the embodiment is not to limit this hair
Bright the scope of the patents, all equivalence enforcements or change without departing from carried out by the present invention, is intended to be limited solely by the scope of the patents of this case.
Claims (5)
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 support frame, bracket, 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 by: being equipped with branch above valve body
Frame, valve body are bolted with bracket, and flange is equipped with above bracket, and mid-stent is equipped with valve rod support frame, valve rod support frame
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 protruded into flange,
Upper valve rod is located at the setting of the part periphery in flange bearing, connect above flange with external driving part, 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, is equipped with pressure in thieff hatch and 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 pass through bar and connect, the diameter of the umbrella wing is greater 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 and the flashboard are pivotally connected, and the upper end of the plate wing is connect with the ram seal；On the through-hole
End be equipped with third arc portion, the through-hole lower end be equipped with first step, second step, the first arc portion, the second arc portion, first step,
First arc portion, second step, the second arc portion are successively smoothly connected from top to bottom, and the first step constitutes the first valve seat, decompression
First valve seat described in when valve closed state abuts sealing with the plate wing, and the second step constitutes the second valve seat, closed state
The second valve seat of Shi Suoshu abuts sealing with the umbrella wing, and first, second, third arc portion constitutes the umbrella wing and plate wing motion profile
Space, be each provided with magnetic patch in the second valve seat described in abutted position and the umbrella wing；The third arc described in decompression valve opening position
Magnetic patch is each provided in portion and in the umbrella wing, the corresponding magnetic force that constitutes attracts, and attractive magnetic force is less than the gravity of the umbrella wing；It is described
Valve body upper end is equipped with valve deck；The valve deck is equipped with support sleeve, and support is set on the outside of the stuffing-box.
2. 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.
3. 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.
4. 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 cooperates with the flashboard.
5. 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.
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 |
|---|---|
| CN108692046A CN108692046A (en) | 2018-10-23 |
| CN108692046B true 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 |
|---|---|
| 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 |
|---|---|
| CN108692046A (en) | 2018-10-23 |
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