CN105090578A - High-pressure liquid collection type pressure regulating overflow safety valve - Google Patents
High-pressure liquid collection type pressure regulating overflow safety valve Download PDFInfo
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- CN105090578A CN105090578A CN201510555607.0A CN201510555607A CN105090578A CN 105090578 A CN105090578 A CN 105090578A CN 201510555607 A CN201510555607 A CN 201510555607A CN 105090578 A CN105090578 A CN 105090578A
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- valve
- spool
- overflow
- adjusting screw
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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
- F16K17/0406—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 in the form of balls
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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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
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0245—Construction of housing; Use of materials therefor of lift valves with ball-shaped valve members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to a high-pressure liquid collection type pressure regulating overflow safety valve. The high-pressure liquid collection type pressure regulating overflow safety valve comprises a valve body, a valve cover and a valve core seat, wherein a valve core locating sleeve is assembled in a locating sleeve mounting hole of the valve core seat; a flow guide hole connected with a valve cavity is formed in the valve core seat; a valve core is embedded in the valve core locating sleeve; a valve rod seat is arranged in the valve cavity, and an overflow hole is formed in a conical surface, which is in contact with the valve core locating sleeve, of the valve rod seat; and a hollow valve rod connected with the overflow hole is inserted and arranged in the valve rod seat, a belleville spring is arranged on the hollow valve rod in a sleeved manner, a hollow adjusting screw is arranged in a hollow screw hole of the valve cover in a threaded manner, and a locknut is assembled on the extended adjusting screw. The high-pressure liquid collection type pressure regulating overflow safety valve is capable of guiding, concentratedly collecting and directionally discharging overflowed liquid arbitrarily discharged in the past in a high-pressure liquid collection type pressure regulating overflow manner, thereby improving working environment conditions of a site. The pretightening force of the spring is changed by the adjusting screw in a certain pressure range so as to enable opening pressure to have adjustability. The high-pressure liquid collection type pressure regulating overflow safety valve also has the advantages of simple and compact structure, convenience in disassembly, long service life and the like.
Description
Technical field
The invention belongs to safety valve manufacturing technology field, particularly relate to the pressure regulation of a kind of high pressure liquid collecting type, overflow, safety valve.
Background technique
At present, reciprocating pump pressing force is divided into: low pressure pump (< 2.5MPa); Medium pressure pump (2.5-10MPa); High-pressure service pump (10-100MPa); Ultrahigh pressure (> 100MPa).
High-pressure service pump is the high voltage power equipment that modern industry is conventional.Be widely used in the fields such as operation and mine, building, cement, automobile, petrochemical industry, municipal and environment-friendly such as flushing, sand removal, rust cleaning, Liquid transfer, hydraulic power, engineering driving, Metal Cutting, stone material throwing hair.High pressure pressure-adjustable liquid collecting type overflow relief valve is indispensable safety protection device in high-pressure service pump and system equipment.Be mainly used in preventing in pump, the overpressure of system pipeline, ensure device security running.
Overflow relief valve working principle: when the pressure in equipment or pipeline increases to over its setting value, safety valve spool is opened automatically, full dose discharge then, prevents the pressure in equipment or pipeline from continuing to raise; When pressure is reduced to specified value, spool should be able to be closed automatically in time, proterctive equipment or pipeline safe and reliable operation.Safety valve, by the pressure medium Direct driver of valve port import, is provided mechanical load to overcome the pressure medium acted on below spool by spring.The overflow relief valve that high-pressure service pump is conventional is Direct spring loaded safety valve.Its basic structure forms: valve body and valve seat, spool, valve rod, spring, valve gap, adjusting screw etc.Refer to Figure 20, there is sensitivity difference in the overflow relief valve of said structure, the defects such as sealing effect is bad, working life is short.
Summary of the invention
The present invention for solve in known technology the technical problem that exists and provide a kind of structure simple, easy to use, be convenient to detachable maintaining, long service life, the high pressure liquid collecting type pressure regulation of good airproof performance, overflow, safety valve.
The technological scheme that the present invention takes for the technical problem existed in solution known technology is:
The pressure regulation of a kind of high pressure liquid collecting type, overflow, safety valve, comprise valve body, spool, valve core case, valve rod, spring, valve gap and adjusting screw, it is characterized in that: described valve body comprises outer joint, clamping part and valve gap joint, wherein said outer company headquarters is provided with outside thread; Described clamping part is provided with clamp face, and described valve gap joint is provided with male threaded joint, and described valve gap is sleeved on the outer joint of valve gap, and with the screw-internal thread fit of valve gap inwall;
The center hole UNICOM valve pocket of described valve body, at center hole internal thread connection valve core print seat, be provided with center hole in described valve core case, the other end of described valve core case is provided with setting sleeve mounting hole, is fitted with spool setting sleeve in described setting sleeve mounting hole; Described valve core case is radially provided with the pod apertures be communicated with valve pocket;
Described spool setting sleeve is provided with spool inlaid hole, installs spool in described spool inlaid hole; In valve pocket, valve rod base is installed, seal ring is provided with between described valve rod base and valve pocket inwall, described valve rod base and above-mentioned spool setting sleeve, spool lean on spring compression on valve core case, and described valve rod base and spool setting sleeve contacting part are provided with conical surface, and described conical surface is provided with overflow hole;
Plug-in opening is provided with in described valve rod base, hollow valve stem is fitted with in described plug-in opening, described hollow valve stem and valve rod base overflow hole UNICOM, described hollow valve stem is set with spring, described spring is contained between valve rod base and hollow type adjusting screw, described hollow type adjusting screw is threaded in the center screw of valve gap, and stretches out the exterior edge face of valve gap, and the hollow type adjusting screw of stretching out is fitted with locking nut; Connect at hollow adjusting screw internal whorl and pressure release elbow is housed; The clamping gear being also provided with Regulation spring pretightening force on the top, outer end of adjusting screw is female.
The present invention can also adopt following technical measures:
Valve core case is provided with six guide faces, and each guide face is equipped with a pod apertures.
The conical surface of valve rod base is provided with four overflow holes, and described four overflow holes are evenly distributed at circumferencial direction according to the center line of valve rod base.
The outer surface of described valve gap is provided with clamping part and the fastening notch of right angle type; Valve gap is radially also provided with relief opening; The vertical surface of the fastening notch of right angle type is provided with lead seal hole.
The open notch that the outer end of described adjusting screw is radially provided with; Radially also pin-and-hole is provided with in the outer end of adjusting screw.
Described spring adopts combined type disc spring.
The advantage that the present invention has and good effect are: because the present invention adopts above-mentioned technology to have the following advantages:
1, valve body: it subjects the pressure of protected system, so valve body should have enough strength and stiffness, does not allow occur distortion or leak.One-sided bleed outlet on valve body is in the past changed into the discharge of drainage orientation, reduce the distortion that valve body produces because of unbalance stress.Safety valve selects high tensile steel to make valve body, ensures sealing, No leakage.
2, valve core case: valve core case is designed to dismountable structural type.Demountable structure, can reduce because of valve body deformation, and produce the impact on valve core case sealing, the distortion of valve core case is the main cause causing safety valve escape.Demountable, is convenient to manufacturing, for ease of maintenaince changes, cost-saving, and can improve the sealing of safety valve, ensures the reliability of high pressure operation.Valve core case has multiple pod apertures, this feature can meet after spool is opened discharges as early as possible, can utilize again the recoil force of expansion of liquids that spool is reached rapidly and entirely open state.Improve the sensitivity of safety valve.
3, spool, valve rod: spool forms sealing surface together with valve core case, the pressure, temperature etc. of medium are directly born in sealing surface side, and its structural design, directly has influence on the reliability of safety valve.
The design of spool have employed ball face sealing structure, and spherical seal surface has good sealing and self-cleaning, and structure is simple, when sealing surface depart from or mild wear time, the feature by self automatically resets, and ensures to seal.Spool realizes opening by the pressure reduction of spring force and pressure medium and returns seat.
4, spring: selected rigidity large, there is change rigidity, axially take up room little, the combined type disc spring of compact structure replaces traditional cylindrical spring, be used for overcoming pressure medium as mechanical load, be suitable for load range wide, be more suitable for the structure of high pressure safety valve, safety valve opens and closes in time, and spool not easily produces frequency modulation and flutter phenomenon.The active force of dish spring passes to spool by valve rod base, forms initial sealing.During spool action, valve rod moves up and down along adjusting screw pilot hole, therefore the important role of valve rod.When spring force passes to spool, spool lifting surface area is larger, and force bearing point distribution is more even, and seal more reliable, this structure have employed ball face sealing, the structure that plane is stressed, improves the reliability of sealing.Increase spool setting sleeve, ensure that spool opens the centering of closed mobile position, the phenomenon of spool and valve seat generation deflection can not be produced, improve sealing.Spool adopts the cemented carbide material of Wear resistant anti-high pressure, high life.
In sum, this structure is a kind of pressure-adjustable liquid collecting type overflow manner, and namely the overflow of liquid is by any discharge in the past, the directed off-load of drainage centralized collection, improve on-the-spot working environment, also save resource, this safety valve is within the scope of certain pressure simultaneously, initial tension of spring is changed by adjusting screw, make cracking pressure have adjustability, and the present invention also have structure simply, compact, convenient disassembly, the advantages such as long service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is internal structure schematic diagram of the present invention;
Fig. 3 is valve rod base structural representation;
Fig. 4 is valve rod base internal structure schematic diagram;
Fig. 5 is valve rod base three-dimensional structure diagram;
Fig. 6 is spool locating sleeve structure schematic diagram;
Fig. 7 is spool setting sleeve stereogram;
Fig. 8 is adjusting screw structural representation;
Fig. 9 is adjusting screw stereogram;
Figure 10 is valve core case structural representation;
Figure 11 is valve core case internal structure schematic diagram;
Figure 12 is valve core case perspective view;
Figure 13 is hollow type stem structure schematic diagram;
Figure 14 is valve cover structure schematic diagram;
Figure 15 is the internal structure schematic diagram of valve gap;
Figure 16 is valve gap three-dimensional structure diagram;
Figure 17 is valve body structure schematic diagram;
Figure 18 is valve inner structural representation;
Figure 19 is valve body stereogram
Figure 20 is existing overflow relief valve structural representation.
In figure: 1, valve body; 1-1, outer joint; 1-10, outside thread; 1-2, clamping part; 1-20, clamp face; 1-3, valve gap joint; 1-30, male threaded joint; 1-4, valve pocket; 2, spool; 3, valve rod; 4, spring; 5, valve gap; 5-1, internal thread; 5-2, center hole; 5-3, clamping part; The fastening notch of 5-4, right angle type; 6, adjusting screw; 6-1, open notch; 6-2, circular hole; 7, valve core case; 7-1, center hole; 7-2, setting sleeve mounting hole; 7-3, pod apertures; 8, spool setting sleeve; 8-1, spool inlaid hole; 9, valve rod base; 9-1, conical surface; 9-10, overflow hole; 9-2, plug-in opening; 10, seal ring; 11, locking nut; 12, clamping gear is female; 13, pressure release elbow.
Embodiment
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 and Fig. 2, the pressure regulation of a kind of high pressure liquid collecting type, overflow, safety valve, comprise valve body 1, spool 2, valve rod 3, spring 4, valve gap 5 and adjusting screw 6, described valve body comprises outer joint 1-1, clamping part 1-2 and valve gap joint 1-3, wherein said outer company headquarters is provided with outside thread 1-10; Described clamping part is provided with clamp face 1-20, and described valve gap joint is provided with male threaded joint 1-30, and described valve gap 5 is sleeved on the outer joint 1-1 of valve body 1, and coordinates with the internal thread 5-1 of valve gap 5 inwall;
The center hole UNICOM valve pocket 1-4 of described valve body 1, is screwed with valve core case 7 in center hole, is provided with center hole 7-1 in described valve core case 7, and the other end of described valve core case is provided with setting sleeve mounting hole 7-2, is fitted with spool setting sleeve 8 in described setting sleeve mounting hole; Radially squarely on described valve core case 7 be provided with the pod apertures 7-3 be communicated with valve pocket;
Described spool setting sleeve 8 is provided with spool inlaid hole 8-1, is provided with spool 2 in described spool inlaid hole 8-1; Valve rod base 9 is installed in valve pocket 1-4, seal ring 10 is provided with between described valve rod base 9 and valve pocket inwall, described valve rod base 9 and above-mentioned spool setting sleeve 8 close contact, described valve rod base 9 is provided with conical surface 9-1 with spool setting sleeve 8 contacting part, and described conical surface is provided with overflow hole 9-10;
Be provided with plug-in opening 9-2 in described valve rod base 9, be fitted with hollow valve stem 3 in described plug-in opening 9-2, described hollow valve stem and overflow hole 9-10 UNICOM, described hollow valve stem is set with spring 4, and described spring adopts combined type disc spring; Described spring upper end contacts with valve rod base 9, the other end of described spring 4 is fitted in hollow type adjusting screw 6, described hollow type adjusting screw 6 is inserted in the center hole 5-2 of valve gap 5, and stretches out the exterior edge face of valve gap, and the adjusting screw 6 of stretching out is fitted with locking nut 11; By screw thread, pressure release elbow 13 is installed at adjusting screw internal upper part, the clamping gear female 12 of Regulation spring pretightening force is also installed on the top, outer end of adjusting screw.
The present invention can also adopt following technical measures:
In said structure, in order to improve valve core case uniform force, described valve core case is provided with six guide faces, and each guide face is equipped with a pod apertures 7-3, six above-mentioned guide faces also serve the effect of clamping part simultaneously, are convenient to the installation and removal of valve core case.
Discharge as early as possible to meet after spool is opened, improve the sensitivity of safety valve further, the conical surface of valve rod base is provided with four overflow hole 9-10, and described four overflow holes are evenly distributed at circumferencial direction according to the center line of valve rod base.
For the ease of installation and removal, the outer surface of described valve gap 5 is provided with clamping part 5-3 and the fastening notch 5-4 of right angle type; Valve gap is radially also provided with the hole of What for; The vertical surface of the fastening notch of right angle type is provided with the hole of What for.
The outer surface of described valve gap is provided with clamping part 5-3 and the fastening notch 5-4 of right angle type; Valve rod base moves up and down spatial volume and changes, and can produce minimum gas, valve gap is radially also provided with relief opening; Generally Recognized as safe valve needs lead sealing more, avoids user to regulate voluntarily, and the vertical surface of the fastening notch of right angle type is provided with lead seal hole.
The open notch 6-1 that the outer end of described adjusting screw is radially provided with, for assembling; Radially also being provided with pin-and-hole 6-2 in the outer end of adjusting screw, for installing resilient key, playing the effect that fixed clamp gear is female.
In said structure, described valve body: it subjects the pressure of protected system, so valve body should have enough strength and stiffness, does not allow occur distortion or leak.One-sided bleed outlet on valve body is in the past changed into the discharge of drainage orientation, reduce the distortion that valve body produces because of unbalance stress.Safety valve selects high tensile steel to make valve body, ensures sealing, No leakage.
Described valve core case: valve core case is designed to dismountable structural type.Demountable structure, can reduce because of valve body deformation, and produce the impact on valve core case sealing, the distortion of valve core case is the main cause causing safety valve escape.Demountable, is convenient to manufacturing, for ease of maintenaince changes, cost-saving, and can improve the sealing of safety valve, ensures the reliability of high pressure operation.Valve seat has multiple pod apertures, this feature can meet after spool is opened discharges as early as possible, can utilize again the recoil force of expansion of liquids that spool is reached rapidly and entirely open state.Improve the sensitivity of safety valve.
Described spool, valve rod: spool forms sealing surface together with valve core case, the pressure, temperature etc. of medium are directly born in sealing surface side, and its structural design, directly has influence on the reliability of safety valve.
The design of spool have employed ball face sealing structure, and spherical seal surface has good sealing and self-cleaning, and structure is simple, when sealing surface depart from or mild wear time, the feature by self automatically resets, and ensures to seal.Spool realizes opening by the pressure reduction of spring force and pressure medium and returns seat.
Described spring: selected rigidity large, there is change rigidity, axially take up room little, the combined type disc spring of compact structure replaces traditional cylindrical spring, be used for overcoming pressure medium as mechanical load, be suitable for load range wide, be more suitable for the structure of high pressure safety valve, safety valve opens and closes in time, and spool not easily produces frequency modulation and flutter phenomenon.The active force of dish spring passes to spool by valve rod base, forms initial sealing.During spool action, valve rod moves up and down along adjusting screw pilot hole, therefore the important role of valve rod.When spring force passes to spool, spool lifting surface area is larger, and force bearing point distribution is more even, and seal more reliable, this structure have employed ball face sealing, the structure that plane is stressed, improves the reliability of sealing.Increase spool setting sleeve, ensure that spool opens the centering of closed mobile position, the phenomenon of spool and valve seat generation deflection can not be produced, improve sealing.Spool adopts the cemented carbide material of Wear resistant anti-high pressure, high life.
In sum, this structure is a kind of pressure-adjustable liquid collecting type overflow manner, and namely the overflow of liquid is by any discharge in the past, the directed off-load of drainage centralized collection, improve on-the-spot working environment, also save resource, this safety valve is within the scope of certain pressure simultaneously, initial tension of spring is changed by adjusting screw, make cracking pressure have adjustability, and the present invention also have structure simply, compact, convenient disassembly, working life the advantage such as one-tenth.
The above is only to preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (6)
1. high pressure liquid collecting type pressure regulation, overflow, safety valve, comprise valve body, spool, valve core case, valve rod, spring, valve gap and adjusting screw, it is characterized in that: described valve body comprises outer joint, clamping part and valve gap joint, wherein said outer company headquarters is provided with outside thread; Described clamping part is provided with clamp face, and described valve gap joint is provided with male threaded joint, and described valve gap is sleeved on the outer joint of valve gap, and with the screw-internal thread fit of valve gap inwall;
The center hole UNICOM valve pocket of described valve body, at center hole internal thread connection valve core print seat, be provided with center hole in described valve core case, the other end of described valve core case is provided with setting sleeve mounting hole, is fitted with spool setting sleeve in described setting sleeve mounting hole; Described valve core case is radially provided with the pod apertures be communicated with valve pocket;
Described spool setting sleeve is provided with spool inlaid hole, installs spool in described spool inlaid hole; In valve pocket, valve rod base is installed, seal ring is provided with between described valve rod base and valve pocket inwall, described valve rod base and above-mentioned spool setting sleeve, spool lean on spring compression on valve core case, and described valve rod base and spool setting sleeve contacting part are provided with conical surface, and described conical surface is provided with overflow hole;
Plug-in opening is provided with in described valve rod base, hollow valve stem is fitted with in described plug-in opening, described hollow valve stem and valve rod base overflow hole UNICOM, described hollow valve stem is set with spring, described spring is contained between valve rod base and hollow type adjusting screw, described hollow type adjusting screw is threaded in the center screw of valve gap, and stretches out the exterior edge face of valve gap, and the hollow type adjusting screw of stretching out is fitted with locking nut; Connect at hollow adjusting screw internal whorl and pressure release elbow is housed; The clamping gear being also provided with Regulation spring pretightening force on the top, outer end of adjusting screw is female.
2. high pressure liquid collecting type according to claim 1 pressure regulation, overflow, safety valve, is characterized in that: valve core case is provided with six guide faces, and each guide face is equipped with a pod apertures.
3. high pressure liquid collecting type according to claim 1 pressure regulation, overflow, safety valve, is characterized in that: on the conical surface of valve rod base, be provided with four overflow holes, and described four overflow holes are evenly distributed at circumferencial direction according to the center line of valve rod base.
4. high pressure liquid collecting type according to claim 1 pressure regulation, overflow, safety valve, is characterized in that: the outer surface of described valve gap is provided with clamping part and the fastening notch of right angle type; Valve gap is radially also provided with relief opening; The vertical surface of the fastening notch of right angle type is provided with lead seal hole.
5. high pressure liquid collecting type according to claim 1 pressure regulation, overflow, safety valve, is characterized in that: the open notch that the outer end of described adjusting screw is radially provided with; Radially also pin-and-hole is provided with in the outer end of adjusting screw.
6. high pressure liquid collecting type according to claim 1 pressure regulation, overflow, safety valve, is characterized in that: described spring adopts combined type disc spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510555607.0A CN105090578B (en) | 2015-09-02 | 2015-09-02 | A kind of high pressure liquid collecting type pressure regulation, overflow, safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510555607.0A CN105090578B (en) | 2015-09-02 | 2015-09-02 | A kind of high pressure liquid collecting type pressure regulation, overflow, safety valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105090578A true CN105090578A (en) | 2015-11-25 |
| CN105090578B CN105090578B (en) | 2017-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510555607.0A Active CN105090578B (en) | 2015-09-02 | 2015-09-02 | A kind of high pressure liquid collecting type pressure regulation, overflow, safety valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861239A (en) * | 2015-12-10 | 2017-06-20 | 张艳 | It is a kind of to realize method and its device that mechanical automatic draining blocks up oil |
| CN106918170A (en) * | 2015-12-24 | 2017-07-04 | 吴亚妹 | A kind of relief throttle valve gear |
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| US2206356A (en) * | 1936-10-13 | 1940-07-02 | Walter B Hutchings | Check valve |
| US3053270A (en) * | 1960-02-09 | 1962-09-11 | Chrysler Corp | High pressure ball relief valve |
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| CN202521006U (en) * | 2012-04-10 | 2012-11-07 | 巨隆集团芜湖兴隆液压有限公司 | Safety valve |
| CN203560083U (en) * | 2013-11-19 | 2014-04-23 | 天津市通洁高压泵制造有限公司 | Unloading type safety valve for high pressure reciprocation pump |
| CN204922117U (en) * | 2015-09-02 | 2015-12-30 | 天津市海盛泵业制造有限公司 | Pressure regulating of high pressure collection liquid type, overflow, relief valve |
-
2015
- 2015-09-02 CN CN201510555607.0A patent/CN105090578B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2206356A (en) * | 1936-10-13 | 1940-07-02 | Walter B Hutchings | Check valve |
| US3053270A (en) * | 1960-02-09 | 1962-09-11 | Chrysler Corp | High pressure ball relief valve |
| CN2279490Y (en) * | 1996-08-24 | 1998-04-22 | 煤炭科学研究总院太原分院 | Plunger valve core with circular groove |
| CN2767663Y (en) * | 2005-02-03 | 2006-03-29 | 赵雪阳 | Big flow safety valve |
| CN202521006U (en) * | 2012-04-10 | 2012-11-07 | 巨隆集团芜湖兴隆液压有限公司 | Safety valve |
| CN203560083U (en) * | 2013-11-19 | 2014-04-23 | 天津市通洁高压泵制造有限公司 | Unloading type safety valve for high pressure reciprocation pump |
| CN204922117U (en) * | 2015-09-02 | 2015-12-30 | 天津市海盛泵业制造有限公司 | Pressure regulating of high pressure collection liquid type, overflow, relief valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861239A (en) * | 2015-12-10 | 2017-06-20 | 张艳 | It is a kind of to realize method and its device that mechanical automatic draining blocks up oil |
| CN106918170A (en) * | 2015-12-24 | 2017-07-04 | 吴亚妹 | A kind of relief throttle valve gear |
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| Publication number | Publication date |
|---|---|
| CN105090578B (en) | 2017-09-29 |
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