CN110671525A - Pressure reducing and stabilizing valve - Google Patents
Pressure reducing and stabilizing valve Download PDFInfo
- Publication number
- CN110671525A CN110671525A CN201910907845.1A CN201910907845A CN110671525A CN 110671525 A CN110671525 A CN 110671525A CN 201910907845 A CN201910907845 A CN 201910907845A CN 110671525 A CN110671525 A CN 110671525A
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- China
- Prior art keywords
- valve body
- valve
- fixedly mounted
- fixedly arranged
- liquid medium
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- 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.)
- Pending
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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
- F16K17/20—Excess-flow valves
- F16K17/34—Excess-flow valves in which the flow-energy of the flowing medium actuates the closing mechanism
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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
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention relates to the technical field of pressure reducing equipment and discloses a pressure reducing and stabilizing valve which comprises a base, wherein an outlet valve body is fixedly arranged on one side of the upper surface of the base, an inlet valve body is fixedly arranged on the other side of the upper surface of the base, screw holes are formed in the outlet valve body and the inlet valve body, a valve cover is fixedly arranged on the upper surface of the outlet valve body, an upper pressure plate is fixedly arranged on the upper surface of the valve cover, a pressure sleeve is fixedly arranged on the upper surface of the upper pressure plate, a screw rod is fixedly arranged in the pressure sleeve and penetrates through the upper pressure plate, a spring is fixedly arranged on the lower surface of the screw rod, and a pushing plate is fixedly arranged at the. Compared with the prior art, the valve rod adopts the horizontal valve rod, so that the inflowing liquid medium directly impacts the valve core to push the valve core to stretch left and right, the problem that the valve rod is bent due to the direct impact of the liquid medium on the valve rod is avoided, and the service life of the valve rod is effectively prolonged.
Description
Technical Field
The invention relates to the technical field of pressure reducing equipment, in particular to a pressure reducing and stabilizing valve.
Background
The pressure reducing and stabilizing valve adopts the opening degree of an opening and closing part in a control valve body to adjust the flow of a medium, reduce the pressure of the medium, adjust the opening degree of the opening and closing part by means of the action of the pressure behind the valve, keep the pressure behind the valve in a certain range, keep the pressure at an outlet in a set range under the condition that the pressure at the inlet is continuously changed, and protect the subsequent production equipment.
Referring to the attached figure 1 of the specification, a liquid medium enters the valve body from the inlet valve body 3, impacts the valve rod 11, accumulates in the inlet valve body 3, the pressure of the liquid medium in the inlet valve body 3 is large and exceeds the elastic coefficient of the spring 9, so that the valve core 12 is opened, the liquid medium flows into the outlet valve body 2 and is discharged, when the pressure of the liquid medium in the outlet valve body 2 is large, the valve core 12 is pushed back, so that the inlet valve body 3 is closed, the pressure of the liquid medium in the outlet valve body 2 is reduced, and the pressure discharged by the outlet valve body 2 is stable and is smaller than the pressure of the liquid medium in the inlet valve body 3.
The existing pressure reducing and stabilizing valve has the following defects:
the liquid medium entering the inlet valve body 3 has large pressure, fast flow speed and large impact force, and can directly impact the valve rod 11, and the strength of the valve rod 11 is weakened to cause the problem that the valve rod 11 is bent in the long-term use process of the pressure reducing and stabilizing valve, so that the valve core 12 and the valve port cannot be completely matched, the pressure reducing and stabilizing valve fails to work, and the service life of the valve rod 11 is shortened.
Disclosure of Invention
The invention provides a pressure reducing and stabilizing valve which has the advantage of difficult damage and solves the problem that a valve rod is easy to bend and lose efficacy.
The invention provides the following technical scheme: a pressure reducing and stabilizing valve comprises a base, wherein an outlet valve body is fixedly arranged on one side of the upper surface of the base, an inlet valve body is fixedly arranged on the other side of the upper surface of the base, screw holes are formed in the outlet valve body and the inlet valve body, a valve cover is fixedly arranged on the upper surface of the outlet valve body, an upper pressure plate is fixedly arranged on the upper surface of the valve cover, a pressure sleeve is fixedly arranged on the upper surface of the upper pressure plate, a screw rod is fixedly arranged in the pressure sleeve and penetrates through the upper pressure plate, a spring is fixedly arranged on the lower surface of the screw rod, a pushing plate is fixedly arranged at the lower end of the spring, a valve rod is fixedly arranged on the lower surface of the pushing plate, a valve core is arranged on the outer surface of the valve rod and matched with the inlet valve body, an outlet valve body is fixedly arranged on one side of the inlet valve, and a speed reducing plate is fixedly arranged in the inner cavity of the inlet valve body.
Preferably, the valve cover is mounted horizontally and coaxially with the inlet valve body.
Preferably, the diameter of the valve core is longer than that of the through hole of the inlet valve body, one surface of the valve core, which is contacted with the liquid medium, is in a conical shape, and the diameter of the bottom surface of the conical shape is matched with that of the through hole of the inlet valve body.
Preferably, the speed reducing plates are arranged in a ring shape in sequence, and the speed reducing plates are arranged obliquely along the flowing direction of the liquid medium.
The invention has the following beneficial effects:
compared with the prior art, the valve rod adopts the horizontal valve rod, so that the inflowing liquid medium directly impacts the valve core to push the valve core to stretch left and right, the problem that the valve rod is bent due to the direct impact of the liquid medium on the valve rod is avoided, and the service life of the valve rod is effectively prolonged.
Compared with the prior art, the invention adopts the speed reducing plates which are annularly distributed and installed in the inlet valve body to reduce the speed of the entering liquid medium, thereby avoiding the problem that the equipment does not play a role in reducing and stabilizing pressure due to the fact that the instantaneous speed of the liquid medium directly impacting the valve core is too high, the valve core is directly flushed and flows out from the outlet valve body.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a schematic perspective view of the inlet valve body according to the present invention.
In the figure: 1. a base; 2. an outlet valve body; 3. an inlet valve body; 4. a screw hole; 5. a valve cover; 6. an upper pressure plate; 7. pressing the sleeve; 8. a screw; 9. a spring; 10. a propulsion plate; 11. a valve stem; 12. a valve core; 13. a gasket; 14. a speed reduction plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2-3, a pressure reducing and stabilizing valve comprises a base 1, an outlet valve body 2 is fixedly installed on one side of the upper surface of the base 1, an inlet valve body 3 is fixedly installed on the other side of the upper surface of the base 1, screw holes 4 are formed in the outlet valve body 2 and the inlet valve body 3, a valve cover 5 is fixedly installed on the upper surface of the outlet valve body 2, an upper pressure plate 6 is fixedly installed on the upper surface of the valve cover 5, a pressure sleeve 7 is fixedly installed on the upper surface of the upper pressure plate 6, a screw 8 is fixedly installed in the pressure sleeve 7 and penetrates through the upper pressure plate 6, a spring 9 is fixedly installed on the lower surface of the screw 8, a pushing plate 10 is fixedly installed at the lower end of the spring 9, a valve rod 11 is fixedly installed on the lower surface of the pushing plate 10, a valve core 12 is installed on the outer surface of the valve rod 11 and is matched with the inlet, the middle part of one side of the outlet valve body 2 is fixedly provided with a valve cover 5, the joint of the valve core 12 and the inlet valve body 3 is fixedly provided with a gasket 13, and the inner cavity of the inlet valve body 3 is fixedly provided with a speed reducing plate 14.
The valve cover 5 is horizontally arranged and coaxially mounted with the inlet valve body 3, the valve rod 11 is arranged in parallel through the valve cover 5 coaxially mounted with the inlet valve body 3, the inflow of liquid medium is prevented from directly impacting the valve rod 11, the problem that the valve rod 11 is easy to bend after being impacted is solved, the valve core 12 cannot be matched and sealed with a valve port, the pressure reducing and stabilizing performance of the device is invalid, the service life of the valve rod 11 is prolonged, and the pressure reducing capacity of the device is guaranteed.
The diameter of the valve core 12 is longer than that of the through hole of the inlet valve body 3, one surface of the valve core 12, which is contacted with the liquid medium, is conical, the diameter of the bottom surface of the cone is matched with that of the through hole of the inlet valve body 3, the impact force of the liquid medium on the valve core 12 is reduced through the valve core 12 with the conical surface, the impact resistance of the valve core 12 is improved, the specified size is matched, the liquid medium is prevented from being directly discharged into the outlet valve body 2 under the condition that the valve core 12 is not retracted, and the sealing performance of the valve core 12 on the through hole of the outlet valve body 2 is ensured.
The decelerating plates 14 are sequentially installed in an annular mode, the decelerating plates 14 are installed in an inclined mode along the flowing direction of the liquid medium, the liquid medium is decelerated in the flowing-in process through the obliquely installed decelerating plates 14, the instantaneous impact force generated when the liquid medium impacts the valve core 12 is reduced, the valve core 12 cannot be flushed away, decompression failure is avoided, meanwhile, the flowing impact of the liquid medium on the decelerating plates 14 is reduced, and the service life of the decelerating plates 14 is prolonged.
The working principle of the pressure reducing and stabilizing valve is as follows:
liquid medium enters the inlet valve body 3, flows in a decelerating manner through the decelerating plate 14 and contacts the valve core 12, the pressure of the liquid medium in the inlet valve body 3 is large and can exceed the elastic coefficient of the spring 9, the liquid medium can push the valve core 12 to move rightwards and is matched with the gasket 13, the liquid medium can enter the outlet valve body 2 along the left surface of the valve core 12 at the moment, and therefore the valve body is discharged, when the pressure of the liquid medium in the inlet valve body 3 is small, the spring 9 can push the valve core 12 back, the valve port is closed, and the pressure stability of the liquid medium flowing out of the outlet valve body 2 is guaranteed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A pressure reducing and stabilizing valve comprises a base (1), an outlet valve body (2) is fixedly mounted on one side of the upper surface of the base (1), an inlet valve body (3) is fixedly mounted on the other side of the upper surface of the base (1), a screw hole (4) is formed in the outlet valve body (2) and the inlet valve body (3), a valve cover (5) is fixedly mounted on the upper surface of the outlet valve body (2), an upper pressing plate (6) is fixedly mounted on the upper surface of the valve cover (5), a pressing sleeve (7) is fixedly mounted on the upper surface of the upper pressing plate (6), a screw rod (8) is fixedly mounted in the pressing sleeve (7) and penetrates through the upper pressing plate (6), a spring (9) is fixedly mounted on the lower surface of the screw rod (8), a pushing plate (10) is fixedly mounted at the lower end of the spring (9), and a valve rod (11) is fixedly mounted on the, the surface of valve rod (11) just installs case (12), its characterized in that with import valve body (3) cooperation: one side fixed mounting of import valve body (3) has export valve body (2), the middle part fixed mounting of export valve body (2) one side has valve gap (5), case (12) and import valve body (3) junction fixed mounting have gasket (13), the inner chamber fixed mounting of import valve body (3) has speed reduction plate (14).
2. A pressure reducing and maintaining valve as defined in claim 1, wherein: the valve cover (5) is horizontal and is coaxially installed with the inlet valve body (3).
3. A pressure reducing and maintaining valve as defined in claim 1, wherein: the diameter of the valve core (12) is longer than that of the through hole of the inlet valve body (3), one surface of the valve core (12) contacted with the liquid medium is conical, and the diameter of the bottom surface of the cone is matched with that of the through hole of the inlet valve body (3).
4. A pressure reducing and maintaining valve as defined in claim 1, wherein: the speed reducing plates (14) are sequentially arranged in a ring shape, and the speed reducing plates (14) are obliquely arranged along the flowing direction of the liquid medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910907845.1A CN110671525A (en) | 2019-09-25 | 2019-09-25 | Pressure reducing and stabilizing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910907845.1A CN110671525A (en) | 2019-09-25 | 2019-09-25 | Pressure reducing and stabilizing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110671525A true CN110671525A (en) | 2020-01-10 |
Family
ID=69078917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910907845.1A Pending CN110671525A (en) | 2019-09-25 | 2019-09-25 | Pressure reducing and stabilizing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110671525A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88212234U (en) * | 1988-03-04 | 1988-11-23 | 奚长寿 | Adjustable temp. and pressure valve for pressure cooker |
| CN1034987A (en) * | 1988-01-25 | 1989-08-23 | 装饰工业公司 | Antiimpact pressure safety valve |
| CN101225895A (en) * | 2007-12-19 | 2008-07-23 | 曾祥炜 | Shuttle type difference decompression valve |
| CN201627987U (en) * | 2009-12-29 | 2010-11-10 | 成都威力生生物科技有限公司 | Cutoff one-way valve |
| CN202812288U (en) * | 2012-08-07 | 2013-03-20 | 马鞍山市天睿实业有限公司 | Buffering type valve seat for ball valve |
| CN204153248U (en) * | 2014-10-17 | 2015-02-11 | 莱芜钢铁集团电子有限公司 | A kind of overflow modulating valve |
| CN204647452U (en) * | 2015-05-25 | 2015-09-16 | 杭州良工阀门有限公司 | A kind of nuclear power pressure adjustment type safety check |
| CN206175743U (en) * | 2016-10-25 | 2017-05-17 | 永一阀门集团有限公司 | Tapered soft seal safety valve |
| CN108458143A (en) * | 2018-05-29 | 2018-08-28 | 盐城市阜液液压件有限公司 | A kind of adjustable threeway overflow valve |
| CN110067867A (en) * | 2019-04-17 | 2019-07-30 | 江苏沙洲阀门有限公司 | A kind of fire valve with decompression, voltage stabilizing function |
-
2019
- 2019-09-25 CN CN201910907845.1A patent/CN110671525A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034987A (en) * | 1988-01-25 | 1989-08-23 | 装饰工业公司 | Antiimpact pressure safety valve |
| CN88212234U (en) * | 1988-03-04 | 1988-11-23 | 奚长寿 | Adjustable temp. and pressure valve for pressure cooker |
| CN101225895A (en) * | 2007-12-19 | 2008-07-23 | 曾祥炜 | Shuttle type difference decompression valve |
| CN201627987U (en) * | 2009-12-29 | 2010-11-10 | 成都威力生生物科技有限公司 | Cutoff one-way valve |
| CN202812288U (en) * | 2012-08-07 | 2013-03-20 | 马鞍山市天睿实业有限公司 | Buffering type valve seat for ball valve |
| CN204153248U (en) * | 2014-10-17 | 2015-02-11 | 莱芜钢铁集团电子有限公司 | A kind of overflow modulating valve |
| CN204647452U (en) * | 2015-05-25 | 2015-09-16 | 杭州良工阀门有限公司 | A kind of nuclear power pressure adjustment type safety check |
| CN206175743U (en) * | 2016-10-25 | 2017-05-17 | 永一阀门集团有限公司 | Tapered soft seal safety valve |
| CN108458143A (en) * | 2018-05-29 | 2018-08-28 | 盐城市阜液液压件有限公司 | A kind of adjustable threeway overflow valve |
| CN110067867A (en) * | 2019-04-17 | 2019-07-30 | 江苏沙洲阀门有限公司 | A kind of fire valve with decompression, voltage stabilizing function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200110 |
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| RJ01 | Rejection of invention patent application after publication |