CN204328079U - The sensitive pressure release disconnect of a kind of high pressure - Google Patents

The sensitive pressure release disconnect of a kind of high pressure Download PDF

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Publication number
CN204328079U
CN204328079U CN201420603610.6U CN201420603610U CN204328079U CN 204328079 U CN204328079 U CN 204328079U CN 201420603610 U CN201420603610 U CN 201420603610U CN 204328079 U CN204328079 U CN 204328079U
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China
Prior art keywords
housing
check valve
valve assembly
spring
seat
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CN201420603610.6U
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Chinese (zh)
Inventor
陈正立
路超
李海英
王亚勇
王磊
潘科
吕千里
刘宝林
孟嘉嘉
李医中
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Henan Aerospace Hydraulic and Pneumatic Technology Co Ltd
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Henan Aerospace Hydraulic and Pneumatic Technology Co Ltd
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Abstract

The utility model discloses the sensitive pressure release disconnect of a kind of high pressure, comprise threeway pressure release assembly, check valve assembly is installed in the side of threeway pressure release assembly, lower check valve assembly is installed in the side of upper check valve assembly, threeway pressure release assembly comprises the 3rd housing, check valve assembly is installed in the side of the 3rd housing, and the opposite side of the 3rd housing offers A import.The utility model project organization have employed combined type design, is made up of, can assembles separately, detect, enhance productivity lower check valve assembly, upper check valve assembly, threeway pressure release assembly, and maintenance, replacing are conveniently.

Description

The sensitive pressure release disconnect of a kind of high pressure
Technical field
The utility model relates to a kind of pressure release disconnect, more precisely the sensitive pressure release disconnect of a kind of high pressure.
Background technique
The sensitive pressure release disconnect of high pressure realizes high-pressure system rapid abutting joint, disengaging in high-pressure system, ensures the control unit of the sealing at two ends simultaneously.Be mainly used in the fields such as high-pressure system, chemical industry, petroleum industry.Due to the extensive use of high pressure technique, the reliability of the direct influential system of high pressure valve performance of high-pressure system, Security, working efficiency and working life.
High pressure sensitive pressure release disconnect mainly contains lower check valve assembly, upper check valve assembly, threeway pressure release assembly three part composition, mainly completes connection with pressure and the disengaging of high-pressure system.In high-pressure system, because pressure is high, existing disconnect commercially all can not realize high pressure connection with pressure and disengaging.Some can show connection with pressure, but volume is comparatively large, and joint efficiency is low.The design's pressure high (45MPa), volume are little, and the system that can realize quick connection with pressure and disengaging, joint efficiency is high.
Model utility content
The purpose of this utility model is to provide the sensitive pressure release disconnect of a kind of high pressure, can solve the above problems.
The utility model for achieving the above object, is achieved through the following technical solutions:
The sensitive pressure release disconnect of a kind of high pressure, comprise threeway pressure release assembly, check valve assembly is installed in the side of threeway pressure release assembly, lower check valve assembly is installed in the side of upper check valve assembly, threeway pressure release assembly comprises the 3rd housing, check valve assembly is installed in the side of the 3rd housing, the opposite side of the 3rd housing offers A import, 3rd housing installs tee ball valve between upper check valve assembly and A import, the side mounting handle assembly of tee ball valve, Handleset coordinates with tee ball valve through the 3rd housing, 3rd enclosure interior installs main valve seat, main valve seat is positioned at tee ball valve both sides, 3rd enclosure interior installs auxiliary-seat, auxiliary-seat is positioned on the downside of tee ball valve, 3rd lower housing portion installs blocking, blocking is positioned at below auxiliary-seat, lower check valve assembly comprises the second housing, second housing side coordinates with upper check valve assembly, the opposite side of the second housing offers B outlet, second housing is positioned at B outlet side and arranges back-up ring, the side mounting spring seat of back-up ring, one end of the first spring is installed in the side of spring seat, be positioned at the first spring side in second housing and spool is installed, the other end of the first spring coordinates with spool, upper check valve assembly comprises the first housing, valve component is installed in the side that first enclosure interior is positioned at lower check valve assembly, valve component has the 3rd spring towards periphery, the side cover of lower check valve assembly, one end connecting valve seat assembly of the 3rd spring, the other end of the 3rd spring connects the first housing, first housing is positioned at valve component side and installs threeway pressure release assembly, the outside of the first housing is positioned at sliding sleeve one end and arranges back-up ring.
In order to realize the purpose of this utility model further, can also by the following technical solutions: described 3rd lower housing portion installs noise reduction lid, noise reduction lid is positioned at blocking below.Arrange the 3rd O type circle and the 2nd O type circle between described auxiliary-seat and blocking, the 2nd O type circle is positioned at auxiliary-seat periphery, and the 3rd O type circle is positioned at below auxiliary-seat.One O type circle is set between described main valve seat and the 3rd housing.One O type circle is set between described main valve seat and the 3rd housing.Fixed groove is offered in the side towards the first spring of described spool, and the other end of the first spring coordinates with fixed groove.Described spring seat is comparatively thin towards one end of the first spring, and one end of the first spring is placed on the periphery of the thinner one end of spring seat.Two the 4th O type circles are set between described first housing and lower check valve assembly.Described first housing is positioned at the side placed an order to valve assembly and installs steel ball, steel ball coordinates with the periphery of lower check valve assembly.
The utility model has the advantage of:
The utility model project organization have employed combined type design, is made up of, can assembles separately, detect, enhance productivity lower check valve assembly, upper check valve assembly, threeway pressure release assembly, and maintenance, replacing are conveniently.The safety check of general gas flow is all opened by the pressure of medium itself, the design adopts externally controlled type to design, and backs down lower check valve assembly safety check by upper check valve assembly, thus ensures the smooth circulation of gas, after disengaging, by spring force own, valve component is resetted.For ensureing reliability and the working life of the sensitive pressure release disconnect of high pressure, can connect safely and disengaging under high-pressure system, the design adopts tee ball valve to carry out the pressure release of entrap gas in disconnect, in guarantee system simultaneously, gas does not leak, due to the venting pressurized gas retained before disengaging, thus can ensure that connector can easily, safely depart from.Tee ball valve of the present utility model can play the effect by gas fast conducting and cut-off.
Handleset of the present utility model can make conducting and the cut-off of operator's Non-follow control tee ball valve.Stable for auxiliary-seat can be fixed in the 3rd housing by main valve seat of the present utility model and auxiliary-seat, makes the rotation that the 3rd housing can be stable in the 3rd housing.
Blocking of the present utility model can slowly by the pressurized gas release in upper check valve assembly.Back-up ring of the present utility model can provide support for spring seat.Spring seat of the present utility model provides pedestal for the first spring, and the first spring, to a spool thrust all the time, makes spool block gas circuit under quiescent condition.B outlet of the present utility model may be used for discharging pressurized gas.
Gas circuit between upper check valve assembly and threeway pressure release assembly can be blocked by valve component of the present utility model, prevents pressurized gas from being entered in threeway pressure release assembly by threeway pressure release assembly.
3rd spring of the present utility model can give valve component thrust all the time, make valve component under quiescent condition with threeway pressure release components apart, make the gas circuit between threeway pressure release assembly and upper check valve assembly unimpeded.
Upper check valve assembly can be connected with lower check valve assembly by sliding sleeve of the present utility model, when sliding sleeve downward check valve assembly one Slideslip, steel ball is depressed by sliding sleeve, now steel ball coordinates with the periphery of lower check valve assembly, is connected by upper check valve assembly with lower check valve assembly.Second spring of the present utility model can give sliding sleeve thrust all the time, coordinates under making to slide over quiescent condition with steel ball.Back-up ring of the present utility model can anti-anti-skid sheath from landing the first housing.The utility model also has advantage compact, cheap for manufacturing cost and easy to use simple for structure.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, does not form restriction of the present utility model with embodiment one of the present utility model.In the accompanying drawings:
Fig. 1 is one of structural representation of the present utility model;
Fig. 2 is the I portion structure for amplifying schematic diagram of Fig. 1;
Fig. 3 is structural representation two of the present utility model;
Fig. 4 is the II portion structure for amplifying schematic diagram of Fig. 3;
Fig. 5 is structural representation three of the present utility model;
Fig. 6 is the III portion structure for amplifying schematic diagram of Fig. 5.
Mark parts: on 1 time check valve assembly 2, check valve assembly 3 threeway pressure release assembly 4 Handleset 5 bracing ring 6 the 3rd housing 7 main valve seat 8 tee ball valve 9A import 10 the one O type circle 11 the 2nd O type circle 12 the 3rd O type circle 13 blocks 14 noise reduction lid 15B and exports 16 back-up ring 17 spring seat 18 first spring 19 fixed groove 20 spool 21 vent slot 22 auxiliary-seat 23 back-up ring 24 sliding sleeve 25 steel ball 26 second spring 27 the 4th O type circle 28 the 3rd spring 29 valve component 30 second housing 31 the 3rd housings.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
The sensitive pressure release disconnect of a kind of high pressure, as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, comprise threeway pressure release assembly 3, check valve assembly 2 is installed in the side of threeway pressure release assembly 3, lower check valve assembly 1 is installed in the side of upper check valve assembly 2, threeway pressure release assembly 3 comprises the 3rd housing 6, check valve assembly 2 is installed in the side of the 3rd housing 6, the opposite side of the 3rd housing 6 offers A import 9, 3rd housing 6 installs tee ball valve 8 between upper check valve assembly 2 and A import 9, the side mounting handle assembly 4 of tee ball valve 8, Handleset 4 coordinates with tee ball valve 8 through the 3rd housing 6, main valve seat 7 is installed in 3rd housing 6 inside, main valve seat 7 is positioned at tee ball valve 8 both sides, auxiliary-seat 22 is installed in 3rd housing 6 inside, auxiliary-seat 22 is positioned on the downside of tee ball valve 8, blocking 13 is installed in 3rd housing 6 bottom, blocking 13 is positioned at below auxiliary-seat 22, lower check valve assembly 1 comprises the second housing 30, second housing 30 side coordinates with upper check valve assembly 2, the opposite side of the second housing 30 offers B outlet 15, second housing 30 is positioned at B and exports 15 sides and arrange back-up ring 16, the side mounting spring seat 17 of back-up ring 16, one end of the first spring 18 is installed in the side of spring seat 17, be positioned at the first spring 18 side in second housing 30 and spool 20 is installed, the other end of the first spring 18 coordinates with spool 20, upper check valve assembly 2 comprises the first housing 31, valve component 29 is installed in the side that first housing 31 inside is positioned at lower check valve assembly 1, valve component 29 has the 3rd spring 28 towards periphery, the side cover of lower check valve assembly 1, one end connecting valve seat assembly 29 of the 3rd spring 28, the other end of the 3rd spring 28 connects the first housing 31, first housing 31 is positioned at valve component 29 side and installs threeway pressure release assembly 3, the outside of the first housing 31 is positioned at sliding sleeve 24 one end and arranges back-up ring 23.The utility model is when giving system air feed, lower check valve assembly 1 is docked with threeway pressure release assembly 3, descend check valve assembly 1 to back down the spool of check valve assembly 2 simultaneously, the steel ball of upper check valve assembly 2 is stuck in the periphery of lower check valve assembly 1 first housing, under preventing high pressure, upper check valve assembly 2 comes off with lower check valve assembly 1, seal by twice the 4th O type circle between upper check valve assembly 2 and lower check valve assembly 1, prevent pressurized gas from leaking, under completing band pressure condition, system connects.After having connected, along inserting needle handle with sleeve assembly 4 to 90 °, upper check valve assembly 2 is connected with lower check valve assembly 1 by tee ball valve, system mesohigh gas passes into from A import, by tee ball valve, upper check valve assembly 2 opens the spool of lower check valve assembly 1, to system for pressurized gas.After completing air feed, counterclockwise handle with sleeve assembly 4 to 90 °, upper check valve assembly 2 is connected with blocking, pressurized gas between lower check valve assembly 1 spool and tee ball valve, the spherical valve of tee ball valve seals the gas of gas source inlet simultaneously, descend the spool of check valve assembly 1 simultaneously under the effect of spring force and gas pressure, automatically reset, seal the gas of system after air feed.After pressure release, the sliding sleeve of the lower check valve assembly 1 that slides to the right, Compress Spring, until steel ball departs from the periphery of lower check valve assembly 1, makes lower check valve assembly 1 depart from lower check valve assembly 1.
Tee ball valve 8 of the present utility model can play the effect by gas fast conducting and cut-off.Handleset 4 of the present utility model can make conducting and the cut-off of operator's Non-follow control tee ball valve 8.Stable for auxiliary-seat 22 can be fixed in the 3rd housing 6 by main valve seat 7 of the present utility model and auxiliary-seat 22, makes the rotation that the 3rd housing 6 can be stable in the 3rd housing 6.Blocking 13 of the present utility model can slowly by the pressurized gas release in upper check valve assembly 2.
Back-up ring 16 of the present utility model can provide support for spring seat 17.Spring seat 17 of the present utility model provides pedestal for the first spring 18, and spool 20 thrust all the time given by the first spring 18, makes spool 20 block gas circuit under quiescent condition.B outlet 15 of the present utility model may be used for discharging pressurized gas.
Gas circuit between upper check valve assembly 2 and threeway pressure release assembly 3 can be blocked by valve component 29 of the present utility model, prevents pressurized gas from being entered in threeway pressure release assembly 3 by threeway pressure release assembly 3.3rd spring 28 of the present utility model can give valve component 29 1 thrusts all the time, valve component 29 is separated with threeway pressure release assembly 3 under quiescent condition, makes the gas circuit between threeway pressure release assembly 3 and upper check valve assembly 2 unimpeded.Upper check valve assembly 2 can be connected with lower check valve assembly 1 by sliding sleeve 24 of the present utility model, when sliding sleeve 24 downward check valve assembly 1 one Slideslip, steel ball 25 is depressed by sliding sleeve 24, now steel ball 25 coordinates with the periphery of lower check valve assembly 1, by upper check valve assembly 2 and the connection of lower check valve assembly 1.Second spring 26 of the present utility model can give sliding sleeve 24 1 thrusts all the time, and sliding sleeve 24 is coordinated with steel ball 25 under quiescent condition.Back-up ring 23 of the present utility model can anti-anti-skid sheath 24 from landing the first housing 31.
The utility model project organization have employed combined type design, is made up of, can assembles separately, detect, enhance productivity lower check valve assembly 1, upper check valve assembly 2, threeway pressure release assembly 3, and maintenance, replacing are conveniently.The safety check of general gas flow is all opened by the pressure of medium itself, the design adopts externally controlled type to design, and backs down lower check valve assembly 1 safety check by upper check valve assembly 2, thus ensures the smooth circulation of gas, after disengaging, by spring force own, valve component is resetted.For ensureing reliability and the working life of the sensitive pressure release disconnect of high pressure, can connect safely and disengaging under high-pressure system, the design adopts tee ball valve to carry out the pressure release of entrap gas in disconnect, in guarantee system simultaneously, gas does not leak, due to the venting pressurized gas retained before disengaging, thus can ensure that connector can easily, safely depart from.
Noise reduction lid 14 is installed in described 3rd housing 6 bottom, and noise reduction lid 14 is positioned at below blocking 13.Noise reduction lid 14 can reduce the noise produced when blocking 13 discharges upper check valve assembly 2 inner high voltage.
Arrange the 3rd O type circle 12 and the 2nd O type circle the 11, two O type circle 11 is positioned at auxiliary-seat 22 periphery between described auxiliary-seat 22 and blocking 13, the 3rd O type circle 12 is positioned at below auxiliary-seat 22.
2nd O type circle 11 of the present utility model and the 3rd O type circle 12 can seal between auxiliary-seat 22 and blocking 13, avoid when blocking 13 discharges upper check valve assembly 2 inner high voltage, and pressurized gas are overflowed by blocking 13 sidepieces.
One O type circle 10 is set between described main valve seat 7 and the 3rd housing 6.One 0 type circle 10 of the present utility model can seal between main valve seat 7 and the 3rd housing 6, prevents pressurized gas by the gap between main valve seat 7 and the 3rd housing 6.
Fixed groove 19 is offered in the side towards the first spring 18 of described spool 20, and the other end of the first spring 18 coordinates with fixed groove 19.Fixed groove 19 of the present utility model can limit the swing of the first spring 18, prevents first spring 18 slippage on spool 20.
Described spring seat 17 is comparatively thin towards one end of the first spring 18, and one end of the first spring 18 is placed on the periphery of the thinner one end of spring seat 17.Leading role can be played to the first spring 18 in one end that the utility model spring seat 17 is thinner, the displacement in the vertical force direction avoiding the first spring 18 to produce in by compression process.
Two the 4th O type circles 27 are set between described first housing 31 and lower check valve assembly 1.4th O type circle 27 of the present utility model can improve the sealing of the first housing 31 and lower check valve assembly 1.
Described first housing 31 is positioned at the side placed an order to valve assembly 1 and installs steel ball 25, steel ball 25 coordinates with the periphery of lower check valve assembly 1.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (8)

1. the sensitive pressure release disconnect of high pressure, it is characterized in that: comprise threeway pressure release assembly (3), check valve assembly (2) is installed in the side of threeway pressure release assembly (3), lower check valve assembly (1) is installed in the side of upper check valve assembly (2), threeway pressure release assembly (3) comprises the 3rd housing (6), check valve assembly (2) is installed in the side of the 3rd housing (6), the opposite side of the 3rd housing (6) offers A import (9), 3rd housing (6) is positioned between check valve assembly (2) and A import (9) and tee ball valve (8) is installed, side mounting handle assembly (4) of tee ball valve (8), Handleset (4) coordinates with tee ball valve (8) through the 3rd housing (6), main valve seat (7) is installed in 3rd housing (6) inside, main valve seat (7) is positioned at tee ball valve (8) both sides, auxiliary-seat (22) is installed in 3rd housing (6) inside, auxiliary-seat (22) is positioned at tee ball valve (8) downside, blocking (13) is installed in 3rd housing (6) bottom, blocking (13) is positioned at auxiliary-seat (22) below, lower check valve assembly (1) comprises the second housing (30), second housing (30) side coordinates with upper check valve assembly (2), the opposite side of the second housing (30) offers B outlet (15), second housing (30) is positioned at B outlet (15) side and arranges back-up ring (16), side mounting spring seat (17) of back-up ring (16), one end of the first spring (18) is installed in the side of spring seat (17), be positioned at the first spring (18) side in second housing (30) and spool (20) is installed, the other end of the first spring (18) coordinates with spool (20), upper check valve assembly (2) comprises the first housing (31), valve component (29) is installed in the side that first housing (31) inside is positioned at lower check valve assembly (1), valve component (29) has the 3rd spring (28) towards periphery, the side cover of lower check valve assembly (1), one end connecting valve seat assembly (29) of 3rd spring (28), the other end of the 3rd spring (28) connects the first housing (31), first housing (31) is positioned at valve component (29) side and installs threeway pressure release assembly (3), the outside of the first housing (31) is positioned at sliding sleeve (24) one end and arranges back-up ring (23).
2. the sensitive pressure release disconnect of high pressure according to claim 1, is characterized in that: noise reduction lid (14) is installed in described 3rd housing (6) bottom, and noise reduction lid (14) is positioned at blocking (13) below.
3. the sensitive pressure release disconnect of high pressure according to claim 1, it is characterized in that: between described auxiliary-seat (22) and blocking (13), the 3rd O type circle (12) and the 2nd O type circle (11) are set, 2nd O type circle (11) is positioned at auxiliary-seat (22) periphery, and the 3rd O type circle (12) is positioned at auxiliary-seat (22) below.
4. the sensitive pressure release disconnect of high pressure according to claim 1, is characterized in that: arrange an O type circle (10) between described main valve seat (7) and the 3rd housing (6).
5. the sensitive pressure release disconnect of high pressure according to claim 1, it is characterized in that: fixed groove (19) is offered in the side towards the first spring (18) of described spool (20), the other end of the first spring (18) coordinates with fixed groove (19).
6. the sensitive pressure release disconnect of high pressure according to claim 1, it is characterized in that: described spring seat (17) is comparatively thin towards one end of the first spring (18), and one end of the first spring (18) is placed on the periphery of spring seat (17) thinner one end.
7. the sensitive pressure release disconnect of high pressure according to claim 1, is characterized in that: arrange two the 4th O type circles (27) between described first housing (31) and lower check valve assembly (1).
8. the sensitive pressure release disconnect of high pressure according to claim 1, it is characterized in that: described first housing (31) is positioned at the side placed an order to valve assembly (1) and installs steel ball (25), steel ball (25) coordinates with the periphery of lower check valve assembly (1).
CN201420603610.6U 2014-10-16 2014-10-16 The sensitive pressure release disconnect of a kind of high pressure Active CN204328079U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626917A (en) * 2014-10-29 2016-06-01 哈尔滨聚吉轩科技开发有限公司 High-pressure disconnector capable of realizing rapid pressure relief
CN105889572A (en) * 2014-10-16 2016-08-24 河南航天液压气动技术有限公司 High-pressure sensitive pressure relief disconnector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105889572A (en) * 2014-10-16 2016-08-24 河南航天液压气动技术有限公司 High-pressure sensitive pressure relief disconnector
CN105889572B (en) * 2014-10-16 2018-10-16 河南航天液压气动技术有限公司 A kind of sensitive pressure release disconnection device of high pressure
CN105626917A (en) * 2014-10-29 2016-06-01 哈尔滨聚吉轩科技开发有限公司 High-pressure disconnector capable of realizing rapid pressure relief

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