CN103924993A - Long-distance visible high-flow pressure display and memory type safety valve - Google Patents
Long-distance visible high-flow pressure display and memory type safety valve Download PDFInfo
- Publication number
- CN103924993A CN103924993A CN201410113512.9A CN201410113512A CN103924993A CN 103924993 A CN103924993 A CN 103924993A CN 201410113512 A CN201410113512 A CN 201410113512A CN 103924993 A CN103924993 A CN 103924993A
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- Prior art keywords
- valve
- pressure
- seat
- safety valve
- ring
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Classifications
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention provides a long-distance visible high-flow pressure display and memory type safety valve. The safety valve comprises a valve seat integrated with a spring case and a valve head, a pressure adjusting nut is arranged at the inner upper end of the valve seat, a floating screw seat is arranged on the middle-lower portion, and a compression spring is arranged between the pressure adjusting nut and the floating screw seat. The valve head in the lower portion is internally provided and connected with a sealed guide sleeve through a guide sleeve sealing ring, the guide sleeve is internally provided with and connected with a floating valve spool through a valve spool sealing ring, and the floating valve spool with multiple drain holes is provided with an annular boss. The upper end of the floating valve spool is connected and sealed with the lower end of a balance screw seat in the floating screw seat via a balance gasket. A memory ring, a sliding sleeve and a flexible dustproof ring are arranged outside the valve seat, and the memory ring and the sliding sleeve are connected and fixed with the floating screw seat via a connecting rod and through a guide slide groove so as to realize synchronous link. The safety valve can not only meet and adapt to instantaneous high-pressure-impact quick high-flow unloading, but also display and memorize changes of working pressure of a support column at any time. Within an adequate range, hydraulic safety supporting condition can be observed at a long distance even if in the environment without sufficient light.
Description
Technical field
The present invention relates to a kind of coal mine fully-mechanized mining hydraulic support, hydraulic prop spring loaded safety valve.
Background technology
At present, home and abroad is for the spring loaded safety valve on coal mine fully-mechanized mining hydraulic support, hydraulic prop, although type is a lot, but basic principle and structure are roughly the same, be to utilize Compress Spring to control a semi-hollow sliding valve core that is provided with many spout holes along circular ring surface, the height that pressing force requires is adjusted the on-off action that Compress Spring is realized safety valve.Through the long-term proof of using, also there are many weak points in used various types of safety valve, as: Chinese patent ZL2012 2 0532252.5 discloses the multiplex valve in a kind of " two fluid injection double containments show pressure memory type hydraulic prop ", it is on the safety valve arranging in the multiplex valve described in [0016] content, having adopted pointer aobvious pressure to show to realize dynamic pressure shows and memory function, the pressure that makes operating personnel can observe in time and understand this pillar changes and leakage situation, but can not meet, instantaneous pressure impacts the requirement of fast discharging and the pressure of distant surveillance hydraulic prop changes and leakage situation.
Summary of the invention
The aobvious pressure memory type safety valve of the visual large flow of a kind of long distance that the object of the invention is to be to overcome the technical deficiency of existing safety valve and provide, this kind of safety valve not only can meet and adapt to instantaneous pressure and impact fast large flow unloading, and can manifest at any time and record the situation of change of pillar operating pressure.In proper range, though also can distant surveillance under the environment of insufficient light to the safety support situation of hydraulic pressure.This kind aobvious presses " the multiplex valve " and used " triple-use valve " of warning memory type safety valve in not only can disclosed for ZL2012 2 0532252.5 " two fluid injection double containments show pressure memory type hydraulic prop ", but also can be applied to separately gas-liquid bearing device, device and the system of other industry.
For achieving the above object, the technical scheme that the present invention takes is: the visual large flow of a kind of long distance shows pressure memory type safety valve, it comprises the valve seat that spring strut and valve head are integrated, the upper end of valve seat inside is provided with look nut, middle and lower part is provided with the silk seat that floats, between look nut and unsteady silk seat, be provided with Compress Spring, in the valve head of bottom, be provided with and pass through fairlead sealing ring and connect the fairlead sealing, in fairlead, be provided with and connect sealing with the floating plug of a plurality of outages and annular boss by valve core seal ring, floating plug upper end is connected and seals with the balance silk seat lower end in the silk seat that floats through balanced seal pad.Valve seat outside is provided with memory ring, sliding sleeve and flexible dustproof circle, and top and the bottom external surface is also provided with the luminous colour band of pressure caution and the pressure scale line of different colours.Sliding sleeve is connected and fixes with the silk seat that floats by guide chute through connecting rod, and realizes synchronizing moving.
Accompanying drawing explanation
Fig. 1 is the aobvious pressure memory type safety valve half sectional view of the visual large flow of a kind of long distance.
Fig. 2 is Figure 1A-A sectional drawing.
Fig. 3,4,5,6,7 safety valve duty aid illustration figure.
In Fig. 1: 1, valve seat, 2, look nut, 3, memory ring, 4, luminous colour band, 5, sliding sleeve, 6, guide chute, 7, connecting rod, 8, Compress Spring, the 9 silk seats that float, 10. balance silk seat, 11, flexible dustproof circle, 12, balanced seal pad, 13, valve core seal ring, 14, floating plug, 15, outage, 16, fairlead, 17, fairlead sealing ring.
In Fig. 2: 1, valve seat, 5, sliding sleeve, 6, guide chute, 7, connecting rod, 8, Compress Spring, the 9 silk seats that float, 10, balance silk seat.
In Fig. 3,4,5,6,7: 1, valve seat, 3, memory ring, 5, sliding sleeve.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the visual large flow of a kind of long distance shows pressure memory type safety valve, the valve seat 1 that its bag spring strut and valve head are integrated, the upper end of valve seat 1 inside is provided with look nut 2, middle and lower part is provided with the silk seat 10 that floats, between look nut 2 and unsteady silk seat 10, be provided with Compress Spring 8, the initial pressure at rotation look nut 2 capable of regulating Compress Spring 8 two ends.In the valve head of bottom, be provided with and pass through fairlead sealing ring 17 and connect the fairlead 16 sealing.In fairlead 16, be provided with and connected sealing with a plurality of outages 15 and be provided with the floating plug 14 of annular boss by valve core seal ring 13, floating plug 14 upper ends are connected and seal with the lower surface of balance silk seat 10 in the silk 9 that floats through balanced seal pad 12.Valve seat 1 outside is provided with memory ring 3, sliding sleeve 5 and flexible dustproof circle 11, and top and the bottom external surface is also provided with the luminous colour band 4 of pressure caution and the pressure scale line of different colours.Memory ring 3, sliding sleeve 5 are connected and fix with the silk seat 9 that floats by guide chute 6 through connecting rod 7, and realizing synchronous interaction.Through sliding sleeve 5, promote memory ring 3, coordinate luminous colour band 4 can realize distant surveillance and understand pillar internal liquid pressure changing.
Floating plug 14 recited above is through hole, is provided with a plurality of long trough outages 15 in middle and lower part.
Between memory ring 3 recited above and valve seat 1, by elastic-friction, be connected, by external force, can move up and down.
Look nut 2 recited above and balance silk seat 10 upper ends are provided with the well of adjusting pressure as rotation.
Luminous colour band 4 recited above is to adopt luminous, the reflective or fluorescent material of the high strength of different colours.
Above the lower end of described valve seat 1 be provided with nipple or snap joint, being connected of convenient and protected pillar, equipment and other pressure system.
The course of work: Fig. 3 is the reset condition of the aobvious pressure memory type safety valve of the visual large flow of a kind of long distance, outside carry nipple that press liquid is provided with through valve seat 1 lower end or snap joint of injecting enters and is full of fairlead 16 and the airtight cavity of floating plug 14, with increasing of filling liquid pressure, and be greater than the initial pressure of Compress Spring 8, promote floating plug 14, balanced seal pad 12, balance silk seat 10, silk seat 9 floats, through connecting rod 7, on sliding sleeve 5 and memory ring 3, move to outage on floating plug 14 15 and surpass valve core seal ring 13 sealings (as requested and the opening pressure of safety valve position of setting), liquid starts through silk seat 9 lower ends of floating, squeeze and open flexible dustproof circle 11, again when apocenosis passage discharge opeing till (Fig. 4 state), stop fluid injection, close loop circuit and carry out pressurize, now this safety valve has entered normal operating conditions.If while having instantaneous pressure to produce, on stopping, the prevention that the annular boss being provided with due to floating plug 14 lower ends is subject to fairlead 16 middle part annular stop platforms moves, a highly pressurised liquid part is discharged by outage 15, the sealing that another part is pushed open between floating plug 14 upper surfaces and balanced seal pad 12 by highly pressurised liquid discharges, and realizes the large flow discharge opeing unloading of binary channels.If need the opening pressure of change safety valve, can just can move up and down by spin balancing silk seat 10.
When safety valve internal pressure reduces, shown in Fig. 5 state, memory ring 3 invariant positions, sliding sleeve 5 moves down, and illustrates that the external force of pillar reduces or pillar leakage.
When sliding sleeve 5 and memory ring 3 positions surpass normal operation position (Fig. 6 state), illustrate that pillar is subject to instantaneous pressure impact, safety valve draining flow oversteps the extreme limit, or safety valve is malfunctioning.
When memory ring 3 positions surpass normal operation position (Fig. 7 state), sliding sleeve 5, in normal operating conditions, illustrates that pillar is subject to instantaneous pressure and impacts, and safety valve unloads rear and the state of resuming work.
When pillar end-of-job enters next operation cycle, open the hydraulic circuit of pillar, eliminate safety valve internal pressure, the sliding sleeve 5 by compression effect of spring 8 thrusts is displaced downwardly to original position.Memory ring 3, by reducing manually Fig. 3 state, prepares to enter further work circulation.
Claims (4)
1. the visual large flow of long distance shows pressure memory type safety valve, the valve seat (1) that its bag spring strut and valve head are integrated, the inner upper end of valve seat (1) is provided with look nut (2), middle and lower part is provided with the silk seat (10) that floats, between look nut (2) and unsteady silk seat (10), be provided with Compress Spring (8), the initial pressure at rotation look nut (2) capable of regulating Compress Spring (8) two ends; In the valve head of bottom, be provided with and pass through the fairlead (16) that fairlead sealing ring (17) connects sealing, in fairlead (16), being provided with and pass through valve core seal ring (13) and connect and seal with a plurality of outages (15) and be provided with the floating plug (14) of annular boss; Floating plug (14) upper end is connected and seals with balance silk seat (10) lower end in the silk seat (9) that floats through balanced seal pad (12); Valve seat (1) outside is provided with memory ring (3), sliding sleeve (5) and flexible dustproof circle (11), and top and the bottom external surface is also provided with the luminous colour band of pressure caution (4) and the pressure scale line of different colours; It is characterized in that: memory ring (3), sliding sleeve (5) are connected and fix with the silk seat (9) that floats by guide chute (6) through connecting rod (7), and realizing synchronous interaction.
2. the visual large flow of a kind of long distance according to claim 1 shows pressure memory type safety valve, it is characterized in that: valve seat (1) outside is provided with memory ring (3), sliding sleeve (5) and flexible dustproof circle (11), top and the bottom external surface is also provided with the luminous colour band of pressure caution (4) and the pressure scale line of different colours.
3. the visual large flow of a kind of long distance according to claim 1 shows pressure memory type safety valve, it is characterized in that: in fairlead (16), be provided with and pass through valve core seal ring (13) and connect sealing with a plurality of outages (15) and be provided with the floating plug (14) of annular boss, floating plug (14) upper end is connected and seals with the lower surface of a balance silk seat (10) in float thread (9) through balanced seal pad (12).
4. the aobvious pressure memory type safety valve of the visual large flow of a kind of long distance according to claim 3, is characterized in that: floating plug (14) is through hole, is provided with a plurality of long trough outages (15) in middle and lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113512.9A CN103924993A (en) | 2014-03-20 | 2014-03-20 | Long-distance visible high-flow pressure display and memory type safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113512.9A CN103924993A (en) | 2014-03-20 | 2014-03-20 | Long-distance visible high-flow pressure display and memory type safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103924993A true CN103924993A (en) | 2014-07-16 |
Family
ID=51143359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410113512.9A Pending CN103924993A (en) | 2014-03-20 | 2014-03-20 | Long-distance visible high-flow pressure display and memory type safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103924993A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023278512A1 (en) * | 2021-07-02 | 2023-01-05 | Repligen Corporation | Pressure gauge relief valve |
| WO2024012821A1 (en) * | 2022-07-11 | 2024-01-18 | Truma Geraetetechnik Gmbh & Co. Kg | Valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1009755A (en) * | 1961-10-25 | 1965-11-10 | Margot Von Linsingen | Pressure relief valve particularly for high fluid pressures |
| CN200943742Y (en) * | 2006-09-05 | 2007-09-05 | 陶振华 | Safety valve capable of indicating pressure |
| CN201170357Y (en) * | 2008-03-07 | 2008-12-24 | 李冠军 | Warning sign safety valve |
| CN201241717Y (en) * | 2008-08-18 | 2009-05-20 | 刘其峥 | Large flow fluid control safe valve |
| CN103591349A (en) * | 2013-10-24 | 2014-02-19 | 赵士民 | High-flow intelligent warning type safety valve |
| CN203783609U (en) * | 2014-03-20 | 2014-08-20 | 赵士民 | Long distance visible large-flow pressure showing memory type safety valve |
-
2014
- 2014-03-20 CN CN201410113512.9A patent/CN103924993A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1009755A (en) * | 1961-10-25 | 1965-11-10 | Margot Von Linsingen | Pressure relief valve particularly for high fluid pressures |
| CN200943742Y (en) * | 2006-09-05 | 2007-09-05 | 陶振华 | Safety valve capable of indicating pressure |
| CN201170357Y (en) * | 2008-03-07 | 2008-12-24 | 李冠军 | Warning sign safety valve |
| CN201241717Y (en) * | 2008-08-18 | 2009-05-20 | 刘其峥 | Large flow fluid control safe valve |
| CN103591349A (en) * | 2013-10-24 | 2014-02-19 | 赵士民 | High-flow intelligent warning type safety valve |
| CN203783609U (en) * | 2014-03-20 | 2014-08-20 | 赵士民 | Long distance visible large-flow pressure showing memory type safety valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023278512A1 (en) * | 2021-07-02 | 2023-01-05 | Repligen Corporation | Pressure gauge relief valve |
| US11933686B2 (en) | 2021-07-02 | 2024-03-19 | Repligen Corporation | Pressure gauge relief valve for sterilizable fluid system |
| WO2024012821A1 (en) * | 2022-07-11 | 2024-01-18 | Truma Geraetetechnik Gmbh & Co. Kg | Valve |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140716 |