CN110332166A - Stacked compression release valve - Google Patents
Stacked compression release valve Download PDFInfo
- Publication number
- CN110332166A CN110332166A CN201910615798.3A CN201910615798A CN110332166A CN 110332166 A CN110332166 A CN 110332166A CN 201910615798 A CN201910615798 A CN 201910615798A CN 110332166 A CN110332166 A CN 110332166A
- Authority
- CN
- China
- Prior art keywords
- valve
- machined
- spool
- spring
- compression release
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/025—Pressure reducing 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
-
- 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
Abstract
The invention discloses a kind of stacked compression release valves, including reducing valve body, valve deck body, valve opening, valve pocket, spool bore, valve cage, valve core channel, spool, axial hole is machined with along the direction of axis line of spool, radial through-hole is machined on spool, axial hole and radial through-hole are mutually communicated, and it is machined with circumferential throttling channel in the outer surface of spool, one end of spool is spherical shape；Spring pedestal is installed in spool bore, spring footstock is installed in spool bore, the guiding body of rod is installed between spring pedestal and spring footstock, is cased with spring in the outside of the guiding body of rod, spring pedestal contacts with each other with spool；It is machined with oil inlet on reducing valve body, oil outlet is machined on reducing valve body, oblique hole is machined on valve pocket, annular diversion trench is machined on valve pocket, oil inlet is mutually communicated with annular diversion trench, and oil inlet is communicated with oblique hole, oblique hole is communicated with spool bore, and oil outlet is communicated with spool bore.Installation effect of the present invention is good, is easy to implement adjusting.
Description
Technical field
The present invention relates to valve technology fields, more particularly to a kind of stacked compression release valve.
Background technique
Pressure reducing valve is inlet pressure to be reduced to the outlet pressure of a certain needs, and by the energy of medium itself by adjusting
Amount, makes outlet pressure automatically keep stable valve.From the viewpoint of hydrodynamics, pressure reducing valve is that a local resistance can become
The restricting element of change changes the kinetic energy of flow velocity and fluid, causes the different pressure losses that is, by change orifice size, from
And achieve the purpose that decompression.Then by the adjusting of control and regulating system, the fluctuation of downstream pressure is made to balance each other with spring force,
Keep constant downstream pressure in certain error range.Current structure of relief pressure valve is complicated, and installation is inconvenient, and regulating effect
Difference.
Summary of the invention
The object of the invention is that providing a kind of stacked compression release valve to solve the above-mentioned problems.
The present invention through the following technical solutions to achieve the above objectives:
A kind of stacked compression release valve, including reducing valve body are equipped with valve deck body in the upper end of the reducing valve body, along institute
The direction of axis line for stating reducing valve body is machined with valve opening, is equipped with valve pocket in the valve opening, along the axial line of the valve pocket
Direction is machined with spool bore, is equipped with valve cage in the spool bore, is machined with valve core channel in the valve cage,
Spool is installed in the valve core channel, axial hole is machined with along the direction of axis line of the spool, on the spool
It is machined with radial through-hole, the axial hole and radial through-hole are mutually communicated, and are machined with circumferential section in the outer surface of the spool
Chute, one end of the spool are spherical shape；Spring pedestal is installed in the spool bore, bullet is installed in the spool bore
Spring footstock is equipped with the guiding body of rod between the spring pedestal and spring footstock, is cased with bullet in the outside of the guiding body of rod
Spring, the spring pedestal contact with each other with the spool；It is machined with oil inlet on the reducing valve body, in the reducing valve body
On be machined with oil outlet, be machined with oblique hole on the valve pocket, annular diversion trench, the oil inlet be machined on the valve pocket
Mouth is mutually communicated with the annular diversion trench, and the oil inlet is communicated with the oblique hole, the oblique hole and the spool bore
It communicates, the oil outlet is communicated with the spool bore.
In order to further increase the use function of stacked compression release valve, L-type stream is machined in the bottom end of the reducing valve body
Road is machined with bar shaped runner in the bottom end of the valve cage, and the L-type runner and the bar shaped runner are interconnected, described
Bar shaped runner and the valve core channel are interconnected, and the L-type runner and the oil outlet are interconnected.
In order to further increase the use function of stacked compression release valve, it is machined in the outside wall surface of the valve pocket circumferential close
Sealing groove is equipped with retaining ring and sealing ring in the circumferential seal groove, and the sealing ring is for sealing the valve pocket and pressure reducing valve
Body.
In order to further increase the use function of stacked compression release valve, the valve pocket and valve-stem integrated molding are arranged, described
Valve rod stretches out valve deck body, and is machined with external screw thread in the outer surface of the valve rod, is equipped in the outer surface thread of the valve rod
Adjusting nut.
In order to further increase the use function of stacked compression release valve, it is equipped in the outer surface of the valve rod by screw thread
Adjusting set is machined with slip-resistant texture in the outer surface of the adjusting set.
In order to further increase the use function of stacked compression release valve, the diameter of the L-type runner and the bar shaped runner
It is identical, collectively form relief passage.
In order to further increase the use function of stacked compression release valve, pressure is installed in the outer surface of the valve deck body
Table, the pressure gauge is for measuring the intracorporal pressure of pressure reducing valve.
In order to further increase the use function of stacked compression release valve, one end contact of the spring is in the spring pedestal
Upper surface, the other end contact of the spring is in the lower surface of the spring footstock.
The beneficial effects of the present invention are: when in use, valve deck body is installed in the upper end of reducing valve body, is pacified in valve opening
Equipped with valve pocket, valve cage is installed in spool bore, spool is installed in valve core channel, is machined in the outer surface of spool
Circumferential throttling channel is equipped with the guiding body of rod between spring pedestal and spring footstock, is cased with spring in the outside of the guiding body of rod,
Oil inlet, oil outlet are machined on reducing valve body, oil inlet is mutually communicated with annular diversion trench, and oil inlet is communicated with oblique hole,
Oblique hole is communicated with spool bore, and oil outlet is communicated with spool bore；It is machined with L-type runner in the bottom end of reducing valve body, in valve core housing
The bottom end of cylinder is machined with bar shaped runner, and L-type runner is identical as the diameter of bar shaped runner, collectively forms relief passage.At work,
Hydraulic oil from hydraulic pump enters from oil inlet, by forming aperture between the lower end and spool bore of spool, from oil outlet stream
A upward hydraulic action is generated on spool bottom area to low pressure branch, while by bar shaped runner, L-type runner feedback
The pre- force adjustment of power, the power and spring balances each other, and when secondary pressure is not up to the setting pressure of valve, spool is in bottom, valve
Mouth standard-sized sheet, when secondary pressure reaches the setting pressure of valve, spool is moved up, and aperture reduces to realize decompression, is able to maintain that two
Secondary pressure is constant, will not be with a change in pressure.Installation effect of the present invention is good, is easy to implement adjusting.
Detailed description of the invention
Fig. 1 is axonometric drawing of the invention；
Fig. 2 is cross-sectional view of the invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
As depicted in figs. 1 and 2, a kind of stacked compression release valve, including reducing valve body 1, in the reducing valve body 1
Upper end is equipped with valve deck body 2, valve opening 101 is machined with along the direction of axis line of the reducing valve body 1, in the valve opening 101
Valve pocket 3 is installed, spool bore 301 is machined with along the direction of axis line of the valve pocket 3, is equipped in the spool bore 301
Valve cage 302 is machined with valve core channel 303 in the valve cage 302, is equipped with valve in the valve core channel 303
Core 4 is machined with axial hole 401 along the direction of axis line of the spool 4, is machined with radial through-hole 402 on the spool 4,
The axial hole 401 and radial through-hole 402 are mutually communicated, and are machined with circumferential throttling channel 403 in the outer surface of the spool 4,
One end of the spool 4 is spherical shape；Spring pedestal 304 is installed in the spool bore 301, is pacified in the spool bore 301
Equipped with spring footstock 305, the guiding body of rod 306 is installed between the spring pedestal 304 and spring footstock 305, is led described
It is cased with spring 307 to the outside of the body of rod 306, the spring pedestal 304 contacts with each other with the spool 4；In the reducing valve body 1
On be machined with oil inlet 102, be machined with oil outlet 103 on the reducing valve body 1, be machined with oblique hole on the valve pocket 3
308, annular diversion trench 309 is machined on the valve pocket 3, the oil inlet 102 is mutually passed through with the annular diversion trench 309
Logical, the oil inlet 102 is communicated with the oblique hole 308, and the oblique hole 308 is communicated with the spool bore 301, described fuel-displaced
Mouth 103 is communicated with the spool bore 301.
In order to further increase the use function of stacked compression release valve, L-type stream is machined in the bottom end of the reducing valve body 1
Road 104 is machined with bar shaped runner 105, the L-type runner 104 and the bar shaped runner in the bottom end of the valve cage 302
105 are interconnected, and the bar shaped runner 105 is interconnected with the valve core channel 303, the L-type runner 104 with it is described fuel-displaced
Mouth 103 is interconnected.Circumferential seal groove 310 is machined in the outside wall surface of the valve pocket 3, in the circumferential seal groove 310
Retaining ring and sealing ring are installed, the sealing ring is for sealing the valve pocket 3 and reducing valve body 1.The valve pocket 3 and valve rod 6 one
Body formed setting, the valve rod 6 stretches out valve deck body 2, and is machined with external screw thread in the outer surface of the valve rod 6, in the valve rod 6
Outer surface thread adjusting nut 5 is installed.Adjusting set 7 is equipped with by screw thread in the outer surface of the valve rod 6, in the tune
The outer surface of section set 7 is machined with slip-resistant texture 701.The L-type runner 104 is identical as the diameter of the bar shaped runner 105, jointly
Constitute relief passage.Pressure gauge 8 is installed in the outer surface of the valve deck body 2, the pressure gauge 8 is for measuring reducing valve body 1
Interior pressure.One end contact of the spring 307 is on the upper surface of the spring pedestal 304, the other end top of the spring 307
It is against the lower surface of the spring footstock 305.
When in use, valve deck body 2 is installed in the upper end of reducing valve body 1, valve pocket 3 is installed in valve opening 101, in spool
Valve cage 302 is installed in hole 301, spool 4 is installed in valve core channel 303, is machined with circumferential direction in the outer surface of spool 4
Throttling channel 403 is equipped with the guiding body of rod 306, in the outside of the guiding body of rod 306 between spring pedestal 304 and spring footstock 305
It is cased with spring 307, oil inlet 102, oil outlet 103, oil inlet 102 and 309 phase of annular diversion trench are machined on reducing valve body 1
Mutually perforation, oil inlet 102 are communicated with oblique hole 308, and oblique hole 308 is communicated with spool bore 301, oil outlet 103 and spool bore 301
It communicates；It is machined with L-type runner 104 in the bottom end of reducing valve body 1, is machined with bar shaped runner 105, L in the bottom end of valve cage 302
Type runner 104 is identical as the diameter of bar shaped runner 105, collectively forms relief passage.At work, from the hydraulic oil of hydraulic pump
Enter from oil inlet 102, by forming aperture between the lower end and spool bore of spool 4, flow to low pressure branch from oil outlet 103,
A upward hydraulic action is generated on 4 bottom area of spool by bar shaped runner 105, the feedback of L-type runner 104 simultaneously,
The power and the pre- force adjustment of spring balance each other, and when secondary pressure is not up to the setting pressure of valve, spool 4 is in bottom, valve port
Standard-sized sheet, when secondary pressure reaches the setting pressure of valve, spool 4 is moved up, and aperture reduces to realize decompression, is able to maintain that secondary
Pressure is constant, will not be with a change in pressure.Installation effect of the present invention is good, is easy to implement adjusting.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.
Claims (8)
1. a kind of stacked compression release valve, it is characterised in that: including reducing valve body (1), installed in the upper end of the reducing valve body (1)
There are valve deck body (2), be machined with valve opening (101) along the direction of axis line of the reducing valve body (1), in the valve opening (101)
Valve pocket (3) are installed, spool bore (301) are machined with along the direction of axis line of the valve pocket (3), in the spool bore (301)
Valve cage (302) are inside installed, valve core channel (303) are machined in the valve cage (302), in the valve core channel
(303) spool (4) are installed in, axial hole (401) are machined with along the direction of axis line of the spool (4), in the spool
(4) it is machined on radial through-hole (402), the axial hole (401) and radial through-hole (402) are mutually communicated, and in the spool
(4) outer surface is machined with circumferential throttling channel (403), and one end of the spool (4) is spherical shape；In the spool bore (301)
Spring pedestal (304) are installed, spring footstock (305) are installed in the spool bore (301), in the spring pedestal
(304) the guiding body of rod (306) is installed between spring footstock (305), is cased with spring in the outside of the guiding body of rod (306)
(307), the spring pedestal (304) contacts with each other with the spool (4)；Oil inlet is machined on the reducing valve body (1)
(102), it is machined on the reducing valve body (1) oil outlet (103), oblique hole (308) is machined on the valve pocket (3),
It is machined on the valve pocket (3) annular diversion trench (309), the oil inlet (102) and the annular diversion trench (309) are mutual
Perforation, the oil inlet (102) communicate with the oblique hole (308), the oblique hole (308) and the spool bore (301) phase
Logical, the oil outlet (103) communicates with the spool bore (301).
2. stacked compression release valve according to claim 1, it is characterised in that: processed in the bottom end of the reducing valve body (1)
There are L-type runner (104), is machined with bar shaped runner (105) in the bottom end of the valve cage (302), the L-type runner (104)
It is interconnected with the bar shaped runner (105), the bar shaped runner (105) and the valve core channel (303) are interconnected, described
L-type runner (104) and the oil outlet (103) are interconnected.
3. stacked compression release valve according to claim 2, it is characterised in that: processed in the outside wall surface of the valve pocket (3)
There are circumferential seal groove (310), retaining ring and sealing ring is installed in the circumferential seal groove (310), the sealing ring is for close
Seal the valve pocket (3) and reducing valve body (1).
4. stacked compression release valve according to claim 3, it is characterised in that: the valve pocket (3) and valve rod (6) are integrally formed
Setting, the valve rod (6) stretches out valve deck body (2), and is machined with external screw thread in the outer surface of the valve rod (6), in the valve rod
(6) outer surface thread is equipped with adjusting nut (5).
5. stacked compression release valve according to claim 4, it is characterised in that: pass through spiral shell in the outer surface of the valve rod (6)
Line is equipped with adjusting set (7), is machined with slip-resistant texture (701) in the outer surface of the adjusting set (7).
6. stacked compression release valve according to claim 5, it is characterised in that: the L-type runner (104) and the bar shaped stream
The diameter in road (105) is identical, collectively forms relief passage.
7. stacked compression release valve according to claim 6, it is characterised in that: installed in the outer surface of the valve deck body (2)
Have pressure gauge (8), the pressure gauge (8) is used to measure the pressure in reducing valve body (1).
8. stacked compression release valve according to claim 7, it is characterised in that: one end contact of the spring (307) is in institute
The upper surface of spring pedestal (304) is stated, the other end contact of the spring (307) is in the lower surface of the spring footstock (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910615798.3A CN110332166B (en) | 2019-07-09 | 2019-07-09 | Stacked pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910615798.3A CN110332166B (en) | 2019-07-09 | 2019-07-09 | Stacked pressure reducing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110332166A true CN110332166A (en) | 2019-10-15 |
| CN110332166B CN110332166B (en) | 2021-02-09 |
Family
ID=68144827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910615798.3A Active CN110332166B (en) | 2019-07-09 | 2019-07-09 | Stacked pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110332166B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11210908A (en) * | 1998-01-28 | 1999-08-06 | Kubota Corp | Valve element lock releasing device for emergency cutoff valve |
| CN2786390Y (en) * | 2004-12-17 | 2006-06-07 | 上海华岛液压设备制造有限公司 | Superposed pressure relief valve |
| CN201184438Y (en) * | 2008-01-28 | 2009-01-21 | 莱芜钢铁股份有限公司 | Overlapped type pressure relief valve |
| CN101469726A (en) * | 2007-12-29 | 2009-07-01 | 上海立新液压有限公司 | Stacked compression release valve |
| CN202402383U (en) * | 2011-12-26 | 2012-08-29 | 上海立新液压有限公司 | Stacked pressure relief valve |
| JP5384303B2 (en) * | 2009-11-17 | 2014-01-08 | 株式会社コガネイ | Pressure reducing valve |
| CN203614831U (en) * | 2013-10-23 | 2014-05-28 | 宁波明启液压机械有限公司 | Stacked direct-acting-type pressure reducing valve |
| CN203614491U (en) * | 2013-10-28 | 2014-05-28 | 宁波明启液压机械有限公司 | Direct-acting reducing valve |
| CN203822736U (en) * | 2014-04-01 | 2014-09-10 | 上海诺玛液压系统有限公司 | Direct-actingfixed-value pressure reducing valve |
| CN104632742A (en) * | 2014-12-18 | 2015-05-20 | 高雅 | Direct action type reducing valve |
| CN205207816U (en) * | 2015-12-14 | 2016-05-04 | 江西省唯欣高科精密五金有限公司 | Stack relief pressure valve |
-
2019
- 2019-07-09 CN CN201910615798.3A patent/CN110332166B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11210908A (en) * | 1998-01-28 | 1999-08-06 | Kubota Corp | Valve element lock releasing device for emergency cutoff valve |
| CN2786390Y (en) * | 2004-12-17 | 2006-06-07 | 上海华岛液压设备制造有限公司 | Superposed pressure relief valve |
| CN101469726A (en) * | 2007-12-29 | 2009-07-01 | 上海立新液压有限公司 | Stacked compression release valve |
| CN201184438Y (en) * | 2008-01-28 | 2009-01-21 | 莱芜钢铁股份有限公司 | Overlapped type pressure relief valve |
| JP5384303B2 (en) * | 2009-11-17 | 2014-01-08 | 株式会社コガネイ | Pressure reducing valve |
| CN202402383U (en) * | 2011-12-26 | 2012-08-29 | 上海立新液压有限公司 | Stacked pressure relief valve |
| CN203614831U (en) * | 2013-10-23 | 2014-05-28 | 宁波明启液压机械有限公司 | Stacked direct-acting-type pressure reducing valve |
| CN203614491U (en) * | 2013-10-28 | 2014-05-28 | 宁波明启液压机械有限公司 | Direct-acting reducing valve |
| CN203822736U (en) * | 2014-04-01 | 2014-09-10 | 上海诺玛液压系统有限公司 | Direct-actingfixed-value pressure reducing valve |
| CN104632742A (en) * | 2014-12-18 | 2015-05-20 | 高雅 | Direct action type reducing valve |
| CN205207816U (en) * | 2015-12-14 | 2016-05-04 | 江西省唯欣高科精密五金有限公司 | Stack relief pressure valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110332166B (en) | 2021-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3873063A (en) | Aspirated balance piston | |
| CN110939762B (en) | Pressure reducing regulating valve with safe pressure relief function | |
| CN106884996B (en) | Electronic expansion valve and valve core thereof | |
| CN103672077B (en) | Balance pressure intensity regulator and balance plug assembly with inlet pressure induction tube | |
| CN202834257U (en) | High pressure reducing ratio constant pressure pressure-reducing valve | |
| WO2019152263A1 (en) | Balanced trim regulator | |
| EP2806327B1 (en) | Poppet valve | |
| CN107725853A (en) | Flow quantity self-adjusting section control valve based on pressure | |
| CN106090363B (en) | Two-stage gas pressure reducing valve | |
| CN202188133U (en) | Pressure reducing throttle valve | |
| CN103291986A (en) | Directly-operated type reducing valve | |
| EP3108320B1 (en) | Balanced regulator having a balanced trim including a variable pressure sense area | |
| CN110332166A (en) | Stacked compression release valve | |
| US3773071A (en) | Gas regulator | |
| CN206388075U (en) | Balance ports pressure regulator and balance plug assembly | |
| CN110671519B (en) | Tubular flow control valve | |
| CN102865392B (en) | Flow control valve | |
| CN104895857B (en) | Low noise cone valve | |
| CN113309897B (en) | Case buffer structure | |
| CN206478275U (en) | A kind of automatic constant-pressure type pressure-reducing valve | |
| CN107606194A (en) | The super stream self-closing valve of fluid line | |
| CN108105436A (en) | A kind of one-way speed-regulating valve | |
| CN214368007U (en) | Ultrahigh-pressure large-flow water overflow valve | |
| CN212225652U (en) | Ultrahigh pressure proportional unloading valve | |
| CN218152529U (en) | Direct-acting plug-in overflow valve capable of adjusting inlet angle in large range |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |