CN110375098A - A kind of adjustable integrated security valve type pressure reducer - Google Patents
A kind of adjustable integrated security valve type pressure reducer Download PDFInfo
- Publication number
- CN110375098A CN110375098A CN201910548744.XA CN201910548744A CN110375098A CN 110375098 A CN110375098 A CN 110375098A CN 201910548744 A CN201910548744 A CN 201910548744A CN 110375098 A CN110375098 A CN 110375098A
- Authority
- CN
- China
- Prior art keywords
- interface
- sliding sleeve
- pressure
- valve
- adjusting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- 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
- F16K17/044—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 with more than one spring
-
- 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
- F16K17/06—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 with special arrangements for adjusting the opening pressure
-
- 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
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Abstract
The invention discloses a kind of adjustable integrated security valve type pressure reducers, comprising: shell, shell include first interface, second interface and the third interface of three-port structure, and first interface is high-pressure inlet；Second interface is low tension outlet；Component is adjusted, adjusting component includes sliding sleeve, valve and adjusting rod, and sliding sleeve is slidably installed in the junction of three-port structure, and sliding sleeve is equipped with the plug in the gap and closure gap that are connected to for first interface with second interface；Valve is arranged in the centre bore of sliding sleeve, the centre bore connection first interface and third interface of sliding sleeve；Adjusting rod is screwed on third interface, and adjusting rod is acted on sliding sleeve by main spring, acted on valve by auxiliary spring.Pressure reducer of the invention is compact-sized, and when turning adjusting rod, outlet pressure and the valve safety release pressure of pressure reducer increase or reduce simultaneously, and the outlet pressure of pressure reducer is made to be consistently less than valve safety release pressure；Without setting highest outlet pressure to pressure reducer, use scope is wide.
Description
Technical field
The present invention relates to pressure reducing valve technical fields, and in particular to a kind of adjustable integrated security valve type pressure reducer.
Background technique
Traditional pressure reducing valve includes that the pressure reducing valve of pressure adjustable section and pressure set changeless pressure reducing valve, also includes collection
At the pressure reducing valve and the not no pressure reducing valve of safety valve of safety valve；Meanwhile the pressure reducing valve of pressure adjustable section and integrated security valve is also big
Where having.
But the pressure reducing valve of existing pressure adjustable section and integrated security valve, releasing stress for safety valve is to immobilize
's；Since releasing stress for safety valve is higher than the pressure of pressure reducing valve in pressure reducing valve, and the safety valve releases stress as fixation
Value；Therefore, the outlet pressure of pressure reducing valve need to set highest outlet pressure, which is less than safety valve release pressure
Power；Which defines the outlet pressure variation ranges of pressure reducing valve, limit the use scope of pressure reducing valve.
Summary of the invention
Aiming at the shortcomings existing in the above problems, the present invention provides a kind of adjustable integrated security valve type pressure reducer.
The invention discloses a kind of adjustable integrated security valve type pressure reducers, comprising:
Shell, the shell include first interface, second interface and the third interface of three-port structure, and the first interface is
High-pressure inlet, the second interface are low tension outlet；
Component is adjusted, the adjusting component includes sliding sleeve, valve and adjusting rod, and the sliding sleeve is slidably installed in the company of three-port structure
Place is met, the sliding sleeve is equipped with the plug in the gap and the closure gap that are connected to for the first interface with second interface；Institute
It states valve to be arranged in the stepped hole of the sliding sleeve, the stepped hole of the sliding sleeve is connected to the second interface and third interface；Institute
It states adjusting rod to be screwed on the third interface, the adjusting rod is acted on the sliding sleeve by main spring, passes through auxiliary spring
It acts on the valve；When turning the adjusting rod, the safe release of the outlet pressure of the second interface and the valve
Pressure increases or reduces simultaneously.
As a further improvement of the present invention, the first interface, second interface and third interface are that outer imperial palace is small
The aperture of stepped hole, the first interface, second interface and third interface communicates, the aperture of the second interface and third interface
Internal diameter is consistent and axis coincides.
As a further improvement of the present invention, the sliding sleeve is coaxially threaded through the aperture of the second interface and third interface
In, the gap is provided on the excircle of the sliding sleeve, and the second interface end of the sliding sleeve is arranged in the plug, for sealing
Block up the stepped part of the second interface；
When the outlet pressure of the second interface is greater than the spring force of the main spring and auxiliary spring, the plug is blocked
The connection gap of the first interface and second interface；
When the outlet pressure of the second interface is less than the spring force of the main spring and auxiliary spring, the first interface
It is connected with second interface by the gap.
As a further improvement of the present invention, the sliding sleeve is equipped with the sealing for blocking the first interface and third interface
Circle.
It as a further improvement of the present invention, further include piston；
The stepped part of the third interface is arranged in the piston, and the lower end of the main spring is against the annular of the piston
In groove..
It as a further improvement of the present invention, further include regulation handle；
The regulation handle is mounted on the adjusting rod.
As a further improvement of the present invention, the adjusting rod is being equipped with high thrust axis with the contact position of the main spring
It holds, the adjusting rod is that the contact position of the auxiliary spring is equipped with low thrust bearing.
As a further improvement of the present invention, the safety release pressure of the valve is the outlet pressure of the second interface
1.5 times.
Compared with prior art, the invention has the benefit that
Pressure reducer of the invention is compact-sized, when turning adjusting rod, the outlet pressure of pressure reducer and valve safe release
Pressure increases or reduces simultaneously, and the outlet pressure of pressure reducer is made to be consistently less than valve safety release pressure；Without being set to pressure reducer
Fixed highest outlet pressure, use scope are wide.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that integrated security valve type pressure reducer is adjusted disclosed in an embodiment of the present invention.
In figure:
1, shell；2, sliding sleeve；3, valve；4, main spring；5, auxiliary spring；6, piston；7, high thrust bearing；8, low thrust axis
It holds；9, adjusting rod；10, regulation handle；
A1, outlet pressure active area；A2, safety valve release stress active area；F1\K1\H1, main spring parameter；F2\
K2\H2, auxiliary spring parameter；P, outlet pressure.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
The present invention provides a kind of adjustable integrated security valve type pressure reducer, comprising: shell, shell include the of three-port structure
One interface, second interface and third interface, first interface are high-pressure inlet；Second interface is low tension outlet；Component is adjusted, is adjusted
Component includes sliding sleeve, valve and adjusting rod, and sliding sleeve is slidably installed in the junction of three-port structure, and sliding sleeve is equipped with for first interface and the
The gap of two orifices and the plug for blocking gap；Valve is arranged in the centre bore of sliding sleeve, the centre bore of sliding sleeve connection the
One interface and third interface；Adjusting rod is screwed on third interface, and adjusting rod is acted on sliding sleeve by main spring, by secondary bullet
Spring acts on valve.Pressure reducer of the invention is compact-sized, and when turning adjusting rod, the outlet pressure and valve of pressure reducer are pacified
It releases stress while increasing or reducing entirely, the outlet pressure of pressure reducer is made to be consistently less than valve safety release pressure；Without being subtracted
Depressor sets highest outlet pressure, and use scope is wide.
The present invention is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, the present invention provides a kind of adjustable integrated security valve type pressure reducer, comprising: shell 1, is lived at sliding sleeve 2
Door 3, main spring 4, auxiliary spring 5, piston 6, high thrust bearing 7, low thrust bearing 8, adjusting rod 9 and regulation handle 10；Wherein:
Shell 1 of the invention is designed to three-port structure pattern, that is, includes interconnected first interface, second interface and the
Three interfaces, first interface are high-pressure inlet (IN), and second interface is low tension outlet (OUT), and third interface is to adjust mouth.Into one
Step, shell 1 of the invention are High Pressure Shell, and first interface is arranged between second interface and third interface, first interface, second
Interface and third interface are the stepped hole that outer imperial palace is small and aperture communicates；Second interface and the coaxial arrangement of third interface, second
Interface is consistent with the hole diameter of third interface, and the axis of first interface is perpendicular to second interface or third interface.
The junction of three-port structure is slidably arranged in sliding sleeve 2 of the invention, that is, sliding sleeve 2 is coaxially slidably installed in second interface
In the aperture of third interface, the outer wall and aperture inner wall of sliding sleeve 2 fit or clearance fit；Sliding sleeve 2 is in first interface to
Outer wall between three interfaces is equipped with sealing ring, for blocking the connection of first interface Yu third interface；Sliding sleeve 2 is in first interface
Gap for being connected to first interface and second interface is equipped with to the outer wall between second interface, and the lower end of sliding sleeve 2 (is placed in the
One end in two interfaces) on plug is installed, the stepped part for second interface.In use, working as the outlet pressure of second interface
When greater than the spring force of main spring and auxiliary spring, plug blocks the connection gap of first interface and second interface；Work as second interface
Outlet pressure when being less than the spring force of main spring and auxiliary spring, first interface is connected with second interface by gap.
The axial position of sliding sleeve 2 of the present invention offers coaxial stepped hole, and stepped hole is connected to second interface and third interface,
Wherein, being connected with second interface is aperture, and being connected with third interface is macropore；(it, which is used as, subtracts valve 3 of the invention
The safety valve of depressor) it is placed in the macropore of stepped hole, and the aperture that can block 2 stepped hole of sliding sleeve is moved to behind bottom；Work as pressure
Power reaches when releasing stress, and valve 3 is opened, and realizes discretionary security control.
Piston 6 of the invention is placed in the macropore of third interface and covers on sliding sleeve 2, piston 6 be fixedly connected with sliding sleeve 2 and
Cooperate with 1 small―gap suture of shell.On the internal screw thread for the macropore that adjusting rod 9 of the invention is screwed onto third interface；Adjusting rod 9 passes through master
Spring 4 acts in the annular groove of piston 6, and adjusting rod 9 is acted on valve 3 by auxiliary spring 5.Further, of the invention
Adjusting rod 9 is being equipped with high thrust bearing 7 with the contact position of main spring 4, and adjusting rod 9 is that the contact position of auxiliary spring 5 is equipped with small push away
Power bearing 8, high thrust bearing 7 and low thrust bearing 8 can reduce the friction of adjusting rod 9 Yu main spring 4,5 flat surface grinding of auxiliary spring
Power facilitates adjusting, and main spring 4, auxiliary spring 5 will not be made to be distorted, influence degree of regulation.Further, the present invention is adjusting hand
Handle 10 is mounted on adjusting rod 9, convenient manually to carry out pressure regulation to adjusting rod 9.The design of above structure guarantees turning adjusting rod
When 9, the safety release pressure of the outlet pressure and valve 3 (safety valve) of second interface increases or reduces simultaneously.
The present invention can be by guaranteeing to live according to main spring parameter and the suitable main spring of auxiliary spring parameter selection and auxiliary spring
The safety release pressure of door is about 1.5 times of the outlet pressure of second interface.
The present invention have it is compact-sized, reducer pressure is adjustable, and safety release pressure is adjustable, improve pressure reducer performance,
Improve safety.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of adjustable integrated security valve type pressure reducer characterized by comprising
Shell, the shell include first interface, second interface and the third interface of three-port structure, and the first interface is high pressure
Import, the second interface are low tension outlet；
Component is adjusted, the adjusting component includes sliding sleeve, valve and adjusting rod, and the sliding sleeve is slidably installed in the connection of three-port structure
Place, the sliding sleeve are equipped with the plug in the gap and the closure gap that are connected to for the first interface with second interface；It is described
Valve is arranged in the stepped hole of the sliding sleeve, and the stepped hole of the sliding sleeve is connected to the second interface and third interface；It is described
Adjusting rod is screwed on the third interface, and the adjusting rod is acted on the sliding sleeve by main spring, made by auxiliary spring
With on the valve；When turning the adjusting rod, the safe release pressure of the outlet pressure of the second interface and the valve
Power increases or reduces simultaneously.
2. adjustable integrated security valve type pressure reducer as described in claim 1, which is characterized in that the first interface, second
Interface and third interface are the small stepped hole of outer imperial palace, and the aperture of the first interface, second interface and third interface communicates,
The second interface is consistent with the hole diameter of third interface and axis coincides.
3. adjustable integrated security valve type pressure reducer as claimed in claim 2, which is characterized in that the sliding sleeve is coaxially threaded through
In the aperture of the second interface and third interface, the gap is provided on the excircle of the sliding sleeve, the plug setting
At the second interface end of the sliding sleeve, for blocking the stepped part of the second interface；
When the outlet pressure of the second interface is greater than the spring force of the main spring and auxiliary spring, described in the plug closure
The connection gap of first interface and second interface；
When the outlet pressure of the second interface is less than the spring force of the main spring and auxiliary spring, the first interface and the
Two interfaces are connected by the gap.
4. adjustable integrated security valve type pressure reducer as claimed in claim 3, which is characterized in that the sliding sleeve, which is equipped with, to be blocked
The sealing ring of the first interface and third interface.
5. the adjustable integrated security valve type pressure reducer as described in any one of claim 2-4, which is characterized in that further include living
Plug；
The stepped part of the third interface is arranged in the piston, and the lower end of the main spring is against the annular groove of the piston
It is interior.
6. such as adjustable integrated security valve type pressure reducer of any of claims 1-4, which is characterized in that further include adjusting
Save handle；
The regulation handle is mounted on the adjusting rod.
7. such as adjustable integrated security valve type pressure reducer of any of claims 1-4, which is characterized in that the adjusting
Bar is being equipped with high thrust bearing with the contact position of the main spring, and it is small that the adjusting rod is that the contact position of the auxiliary spring is equipped with
Thrust bearing.
8. such as adjustable integrated security valve type pressure reducer of any of claims 1-4, which is characterized in that the valve
Safety release pressure be 1.5 times of outlet pressure of the second interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910548744.XA CN110375098B (en) | 2019-06-24 | 2019-06-24 | Adjustable integrated safety valve type pressure reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910548744.XA CN110375098B (en) | 2019-06-24 | 2019-06-24 | Adjustable integrated safety valve type pressure reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110375098A true CN110375098A (en) | 2019-10-25 |
| CN110375098B CN110375098B (en) | 2021-06-18 |
Family
ID=68249165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910548744.XA Active CN110375098B (en) | 2019-06-24 | 2019-06-24 | Adjustable integrated safety valve type pressure reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110375098B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812537A (en) * | 2019-11-15 | 2020-02-21 | 山东大学齐鲁医院 | Gastrointestinal pressure reducer with adjustable pressure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295093Y (en) * | 1996-04-25 | 1998-10-21 | 朴龙奎 | Hydraulic pneumatic controlled booster control valve |
| US20040007269A1 (en) * | 2002-07-12 | 2004-01-15 | Larsen Todd W. | Inline pressure reducing regulator |
| CN201236991Y (en) * | 2008-07-16 | 2009-05-13 | 宁波星箭航天机械厂 | High-pressure reducing valve |
| EP2407694A2 (en) * | 2010-07-12 | 2012-01-18 | Liebherr-Machines Bulle SA | Valve for pressure limitation and device for same |
| CN102889423A (en) * | 2012-09-24 | 2013-01-23 | 上海空间推进研究所 | Small pressure reducing valve and pressure reducing device in high-pressure high-flow fluid system |
| CN103032612A (en) * | 2012-12-12 | 2013-04-10 | 中国航天科技集团公司第六研究院第十一研究所 | Dual-opening-pressure dual-displacement safety valve |
| CN206190993U (en) * | 2016-10-11 | 2017-05-24 | 沈阳航天新光集团有限公司 | Off -load formula pressure reducer |
| CN206368986U (en) * | 2016-12-21 | 2017-08-01 | 张军 | A kind of differential type safety valve |
| CN208169619U (en) * | 2018-05-16 | 2018-11-30 | 孙宝民 | A kind of central gathering station spring loaded safety valve |
-
2019
- 2019-06-24 CN CN201910548744.XA patent/CN110375098B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295093Y (en) * | 1996-04-25 | 1998-10-21 | 朴龙奎 | Hydraulic pneumatic controlled booster control valve |
| US20040007269A1 (en) * | 2002-07-12 | 2004-01-15 | Larsen Todd W. | Inline pressure reducing regulator |
| CN201236991Y (en) * | 2008-07-16 | 2009-05-13 | 宁波星箭航天机械厂 | High-pressure reducing valve |
| EP2407694A2 (en) * | 2010-07-12 | 2012-01-18 | Liebherr-Machines Bulle SA | Valve for pressure limitation and device for same |
| CN102889423A (en) * | 2012-09-24 | 2013-01-23 | 上海空间推进研究所 | Small pressure reducing valve and pressure reducing device in high-pressure high-flow fluid system |
| CN103032612A (en) * | 2012-12-12 | 2013-04-10 | 中国航天科技集团公司第六研究院第十一研究所 | Dual-opening-pressure dual-displacement safety valve |
| CN206190993U (en) * | 2016-10-11 | 2017-05-24 | 沈阳航天新光集团有限公司 | Off -load formula pressure reducer |
| CN206368986U (en) * | 2016-12-21 | 2017-08-01 | 张军 | A kind of differential type safety valve |
| CN208169619U (en) * | 2018-05-16 | 2018-11-30 | 孙宝民 | A kind of central gathering station spring loaded safety valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812537A (en) * | 2019-11-15 | 2020-02-21 | 山东大学齐鲁医院 | Gastrointestinal pressure reducer with adjustable pressure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110375098B (en) | 2021-06-18 |
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