CN106051246B - The working method of piston bidirectional pressure relief valve - Google Patents
The working method of piston bidirectional pressure relief valve Download PDFInfo
- Publication number
- CN106051246B CN106051246B CN201610514784.9A CN201610514784A CN106051246B CN 106051246 B CN106051246 B CN 106051246B CN 201610514784 A CN201610514784 A CN 201610514784A CN 106051246 B CN106051246 B CN 106051246B
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- Prior art keywords
- piston
- fluid
- shell
- pressure
- relief valve
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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
- F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
Abstract
A kind of working method of piston bidirectional pressure relief valve of the present invention, it is characterized in that when the pressure of the left and right ends of piston bidirectional pressure relief valve is equal, piston is in shell center position, and the partition position of piston is corresponding with the separation position of ring flat-plate of shell, and piston does not act；When the left end pressure of piston bidirectional pressure relief valve is more than right end pressure, fluid forces partition board moves right, so that piston also moves right, to achieve the purpose that pressure release；When the right end pressure of piston bidirectional pressure relief valve is more than left end pressure, fluid forces partition board is moved to the left, so that piston is also moved to the left, to achieve the purpose that pressure release.The present invention has the advantages that can to carry out that double-direction relief, simple in structure, performance is stable, the short speed of venting duration is fast, precision is high, good airproof performance.
Description
Technical field
The present invention relates to a kind of working methods of piston bidirectional pressure relief valve.
Background technology
In radiator, cooling system, hydraulic system, lubricating system, fluid transmission system, electric system, the machinery of lathe
Main shaft, machining center and liquid etc.；In system above, liquid has some impact, pulse, instantaneous pressures in flow process
Greatly, instantaneous flow is big etc. harsh wants condition for peace, the fluid especially used in winter and severe cold area machinery just to be opened in machinery
When dynamic, viscosity is big, poor fluidity influences the paralysis of entire machinery, machining center with great impact power.In order to keep pressure flat
Weighing apparatus, releases stress well, and damage will not be brought to other equipment or other components and is scrapped, there is relief valve on the market,
So that system pressure balance, safeguards system safety.Then relief valve on the market is all unidirectional relief valve, is needed during the installation process
There is set direction, on the pipeline that in addition can not be suitable for two-way circulating.Therefore seek one kind can carry out double-direction relief,
It is simple in structure, performance is stable, the short speed of venting duration is fast, precision is high, the piston bidirectional pressure relief valve of good airproof performance is outstanding
It is important.
Invention content
It can carry out that double-direction relief, simple in structure, performance is steady the purpose of the present invention is to overcome the above shortcomings and to provide one kind
Determine, the short speed of venting duration is fast, precision is high, the working method of the piston bidirectional pressure relief valve of good airproof performance.
The object of the present invention is achieved like this：
A kind of working method of piston bidirectional pressure relief valve, it is characterised in that：
The piston bidirectional pressure relief valve includes shell, piston and two springs, the shell lateral arrangement, institute
The shell fluid channel for forming a lateral direction penetrating in shell is stated, Fluid passageways chamber, fluid mistake are provided in the middle part of the shell
Road intracavitary is provided with the separation ring flat-plate of one piece of fixed setting, separates ring flat-plate and Fluid passageways chamber is separated to form the two fluid mistakes in left and right
Half chamber of road, the piston is horizontally set at the middle part in shell fluid channel, two spring lateral arrangements, and two springs distinguish position
In shell fluid channel on the outside of piston, the piston is the hollow structure of left and right ends opening, and the piston includes piston
Shell, one piece of partition board being vertically arranged is provided in the middle part of the piston shell, and the inside of piston is divided into left and right two by partition board
A piston fluid channel being in communication with the outside respectively, is provided with the stream being arranged symmetrically on the piston shell at left and right sides of partition board
Body opening.
When the pressure of the left and right ends of piston bidirectional pressure relief valve is equal, piston is in shell center position,
The partition position of piston is corresponding with the separation position of ring flat-plate of shell, and piston does not act；
When the left end pressure of piston bidirectional pressure relief valve is more than right end pressure, due to the piston fluid on the left of partition board
Pressure in channel is more than the pressure in the piston fluid channel on the right side of partition board, and fluid forces partition board moves right, so that
Piston also moves right, when the fluid bore on the left of partition board is located at half intracavitary of Fluid passageways on right side, the larger stream of pressure
Body flows out to half intracavitary of Fluid passageways on right side out of left side piston fluid channel by fluid bore, then flow to the right side again
In the piston fluid channel of side, to achieve the purpose that pressure release, the spring in left side is in tensional state at this time, at the spring on right side
In compressive state, until the pressure of partition board left and right side is equal, piston puts in order original position；
When the right end pressure of piston bidirectional pressure relief valve is more than left end pressure, due to the piston fluid on the right side of partition board
Pressure in channel is more than the pressure in the piston fluid channel on the left of partition board, and fluid forces partition board is moved to the left, so that
Piston is also moved to the left, when the fluid bore on the right side of partition board is located at half intracavitary of Fluid passageways in left side, the larger stream of pressure
Body flows out to half intracavitary of Fluid passageways in left side out of right side piston fluid channel by fluid bore, then flow to a left side again
In the piston fluid channel of side, to achieve the purpose that pressure release, the spring on right side is in tensional state at this time, at the spring in left side
In compressive state, until the pressure of partition board left and right side is equal, piston puts in order original position.
The left and right ends of the shell are provided with hickey.
It is provided with card slot at the outer end of left and right two in the shell fluid channel, is provided with clamp spring in the card slot, two
Spring is located in the shell fluid channel between piston and clamp spring.
The internal diameter for separating ring flat-plate is consistent with the internal diameter in shell fluid channel.
The outer diameter of spring is matched with the internal diameter in shell fluid channel.
The fluid bore is circular layout on piston shell.
Fluid bore of the partition board per side is provided with multi-turn.
The fluid bore of left end is not more than the transverse direction of half chamber of Fluid passageways to the lateral distance between the fluid bore of right end
Distance.
The left and right ends of the piston are provided with the step coordinated with spring.
Compared with prior art, the beneficial effects of the invention are as follows：
Double-direction relief, simple in structure, performance is stable, the short speed of venting duration is fast, precision with that can carry out by the present invention
The advantages of height, good airproof performance.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the side view of the present invention.
Fig. 3 is the section plan of shell.
Fig. 4 is the three-dimensional cutaway view of shell.
Fig. 5 is the section plan of piston.
Fig. 6 is the three-dimensional cutaway view of piston.
Fig. 7 is the schematic diagram of embodiment 1.
Fig. 8 is the schematic diagram of embodiment 2.
Fig. 9 is the shape stereogram of the present invention.
Wherein：
Shell 601, Fluid passageways chamber 601.2, separates ring flat-plate 601.3, hickey at shell fluid channel 601.1
601.4, card slot 601.5
Piston 602, piston shell 602.1, partition board 602.2, fluid bore 602.3, step 602.4, piston fluid channel
602.5
Spring 603
Clamp spring 604.
Specific implementation mode
Referring to Fig. 1 ~ Fig. 9, a kind of piston bidirectional pressure relief valve of the present invention, it includes shell 601, piston
602 and two springs 603,601 lateral arrangement of the shell forms the shell stream of a lateral direction penetrating in the shell 601
The middle part in body channel 601.1, the shell 601 is provided with Fluid passageways chamber 601.2, and the internal diameter of Fluid passageways chamber 601.2 is more than
The internal diameter in shell fluid channel 601.1 is provided with the separation ring flat-plate 601.3 of one piece of fixed setting in Fluid passageways chamber 601.2, point
The internal diameter of spacer ring plate 601.3 is consistent with the internal diameter in shell fluid channel 601.1, separates ring flat-plate 601.3 by Fluid passageways chamber 601.2
It is separated to form two half chambers of Fluid passageways in left and right.The left and right ends of the shell 601 are provided with hickey 601.4, the work
The middle parts that plug 602 is horizontally set at shell fluid channel 601.1, at the outer end of left and right two in the shell fluid channel 601.1
It is provided with card slot 601.5, clamp spring 604, two 603 lateral arrangements of spring, and two springs are provided in the card slot 601.5
603 are located in the shell fluid channel 601.1 between piston 602 and clamp spring 604, the outer diameter and shell fluid of spring 603
The internal diameter in channel 601.1 matches.The piston 602 is the hollow structure of left and right ends opening, and the piston 602 includes piston shell
Body 602.1, the middle part of the piston shell 602.1 are provided with one piece of partition board being vertically arranged 602.2, and partition board 602.2 is by piston
602 inside is divided into the two piston fluid channels 602.5 being in communication with the outside respectively in left and right, is located at partition board 602.2 or so two
The fluid bore 602.3 being arranged symmetrically is provided on the piston shell 602.1 of side, the fluid bore 602.3 is circular layout in piston
On shell 602.1, fluid bore 602.3 of the partition board 602.2 per side can be provided with multi-turn, a circle fluid bore of left end
602.3 are not more than the lateral distance of half chamber of Fluid passageways to the lateral distance between a circle fluid bore 602.3 of right end.It is described
The left and right ends of piston 602 are provided with the step 602.4 coordinated with spring 603.
A kind of working method of piston bidirectional pressure relief valve：
When the pressure of the left and right ends of piston bidirectional pressure relief valve is equal, piston is in shell center position,
The partition position of piston is corresponding with the separation position of ring flat-plate of shell, and piston does not act；
Embodiment 1, when the left end pressure of piston bidirectional pressure relief valve be more than right end pressure when, on the left of partition board
Pressure in piston fluid channel is more than the pressure in the piston fluid channel on the right side of partition board, and fluid forces partition board moves right,
So that piston also moves right, and when the fluid bore on the left of partition board is located at half intracavitary of Fluid passageways on right side, pressure
Larger fluid flows out to half intracavitary of Fluid passageways on right side out of left side piston fluid channel by fluid bore, then
It flow to again in the piston fluid channel on right side, to achieve the purpose that pressure release, the spring in left side is in tensional state, right side at this time
Spring be in compressive state, until partition board left and right side pressure it is equal, piston puts in order original position.
Embodiment 2, when the right end pressure of piston bidirectional pressure relief valve be more than left end pressure when, on the right side of partition board
Pressure in piston fluid channel is more than the pressure in the piston fluid channel on the left of partition board, and fluid forces partition board is moved to the left,
So that piston is also moved to the left, and when the fluid bore on the right side of partition board is located at half intracavitary of Fluid passageways in left side, pressure
Larger fluid flows out to half intracavitary of Fluid passageways in left side out of right side piston fluid channel by fluid bore, then
It flow to again in the piston fluid channel in left side, to achieve the purpose that pressure release, the spring on right side is in tensional state, left side at this time
Spring be in compressive state, until partition board left and right side pressure it is equal, piston puts in order original position.
Claims (9)
1. a kind of working method of piston bidirectional pressure relief valve, it is characterised in that：
The piston bidirectional pressure relief valve includes shell (601), piston (602) and two springs (603), the shell
(601) lateral arrangement, the interior shell fluid channel (601.1) for forming a lateral direction penetrating of the shell (601), the shell
(601) it is provided with Fluid passageways chamber (601.2) in the middle part of, point of one piece of fixed setting is provided in Fluid passageways chamber (601.2)
Spacer ring plate (601.3) separates ring flat-plate (601.3) and Fluid passageways chamber (601.2) is separated to form two half chambers of Fluid passageways in left and right,
The piston (602) is horizontally set at the middle part of shell fluid channel (601.1), two spring (603) lateral arrangements, and two
Spring (603) is located in the shell fluid channel (601.1) on the outside of piston (602) Nei, and the piston (602) is left and right ends
The hollow structure of opening, the piston (602) include piston shell (602.1), the middle part setting of the piston shell (602.1)
Have one piece of partition board being vertically arranged (602.2), partition board (602.2) by the inside of piston (602) be divided into left and right two respectively with
The piston fluid channel (602.5) of external world's connection is located on the piston shell (602.1) at left and right sides of partition board (602.2) and is arranged
There is the fluid bore (602.3) being arranged symmetrically；
When the pressure of the left and right ends of piston bidirectional pressure relief valve is equal, piston is in shell center position, piston
Partition position it is corresponding with the separation position of ring flat-plate of shell, piston does not act；
When the left end pressure of piston bidirectional pressure relief valve is more than right end pressure, due to the piston fluid channel on the left of partition board
Interior pressure is more than the pressure in the piston fluid channel on the right side of partition board, and fluid forces partition board moves right, so that piston
Also move right, when the fluid bore on the left of partition board is located at half intracavitary of Fluid passageways on right side, the larger fluid of pressure from
Half intracavitary of Fluid passageways for flowing out to right side in the piston fluid channel in left side by fluid bore, then flow to right side again
In piston fluid channel, to achieve the purpose that pressure release, the spring in left side is in tensional state at this time, and the spring on right side is in pressure
Contracting state, until the pressure of partition board left and right side is equal, piston puts in order original position；
When the right end pressure of piston bidirectional pressure relief valve is more than left end pressure, due to the piston fluid channel on the right side of partition board
Interior pressure is more than the pressure in the piston fluid channel on the left of partition board, and fluid forces partition board is moved to the left, so that piston
Also be moved to the left, when the fluid bore on the right side of partition board is located at half intracavitary of Fluid passageways in left side, the larger fluid of pressure from
Half intracavitary of Fluid passageways for flowing out to left side in the piston fluid channel on right side by fluid bore, then flow to left side again
In piston fluid channel, to achieve the purpose that pressure release, the spring on right side is in tensional state at this time, and the spring in left side is in pressure
Contracting state, until the pressure of partition board left and right side is equal, piston puts in order original position.
2. a kind of working method of piston bidirectional pressure relief valve according to claim 1, it is characterised in that the shell
The left and right ends of body (601) are provided with hickey (601.4).
3. a kind of working method of piston bidirectional pressure relief valve according to claim 1, it is characterised in that the shell
It is provided with card slot (601.5) at the outer end of left and right two of body fluid channel (601.1), card is provided in the card slot (601.5)
Spring (604), two springs (603) are located in the shell fluid channel (601.1) between piston (602) and clamp spring (604) Nei.
4. a kind of working method of piston bidirectional pressure relief valve according to claim 1, it is characterised in that stripper loop
The internal diameter of plate (601.3) is consistent with the internal diameter of shell fluid channel (601.1).
5. a kind of working method of piston bidirectional pressure relief valve according to claim 1, it is characterised in that spring
(603) outer diameter is matched with the internal diameter of shell fluid channel (601.1).
6. a kind of working method of piston bidirectional pressure relief valve according to claim 1, it is characterised in that the stream
Body opening (602.3) is circular layout on piston shell (602.1).
7. a kind of working method of piston bidirectional pressure relief valve according to claim 1, it is characterised in that partition board
(602.2) fluid bore (602.3) per side is provided with multi-turn.
8. a kind of working method of piston bidirectional pressure relief valve according to claim 1, it is characterised in that left end
Fluid bore (602.3) to the lateral distance between the fluid bore (602.3) of right end be not more than half chamber of Fluid passageways transverse direction
Distance.
9. a kind of working method of piston bidirectional pressure relief valve according to claim 1, it is characterised in that the work
The left and right ends of plug (602) are provided with the step (602.4) with spring (603) cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514784.9A CN106051246B (en) | 2016-06-30 | 2016-06-30 | The working method of piston bidirectional pressure relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514784.9A CN106051246B (en) | 2016-06-30 | 2016-06-30 | The working method of piston bidirectional pressure relief valve |
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| Publication Number | Publication Date |
|---|---|
| CN106051246A CN106051246A (en) | 2016-10-26 |
| CN106051246B true CN106051246B (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610514784.9A Active CN106051246B (en) | 2016-06-30 | 2016-06-30 | The working method of piston bidirectional pressure relief valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110669551B (en) * | 2019-10-28 | 2020-11-13 | 安徽理工大学 | Coal gasification system and method |
| CN114963028A (en) * | 2022-06-08 | 2022-08-30 | 国家石油天然气管网集团有限公司 | Fiber grating infrasound sensor for pressure-variable light transducing piece and pipeline leakage detection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033375A (en) * | 1976-05-07 | 1977-07-05 | J. I. Case Company | Two-way fluid pressure relief valve |
| CN2080604U (en) * | 1990-09-29 | 1991-07-10 | 李立夫 | Static pressure reducing valve |
| CN1916431A (en) * | 2005-08-15 | 2007-02-21 | 神威产业株式会社 | Working oil cooler |
| CN103603747A (en) * | 2013-08-10 | 2014-02-26 | 蒙国宁 | Intake pressure balancing adjuster for supercharged and intercooled gas engine |
-
2016
- 2016-06-30 CN CN201610514784.9A patent/CN106051246B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033375A (en) * | 1976-05-07 | 1977-07-05 | J. I. Case Company | Two-way fluid pressure relief valve |
| CN2080604U (en) * | 1990-09-29 | 1991-07-10 | 李立夫 | Static pressure reducing valve |
| CN1916431A (en) * | 2005-08-15 | 2007-02-21 | 神威产业株式会社 | Working oil cooler |
| CN103603747A (en) * | 2013-08-10 | 2014-02-26 | 蒙国宁 | Intake pressure balancing adjuster for supercharged and intercooled gas engine |
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| Publication number | Publication date |
|---|---|
| CN106051246A (en) | 2016-10-26 |
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