CN203477458U - Membrane valve set with small-torque control devices - Google Patents

Membrane valve set with small-torque control devices Download PDF

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Publication number
CN203477458U
CN203477458U CN201320595872.8U CN201320595872U CN203477458U CN 203477458 U CN203477458 U CN 203477458U CN 201320595872 U CN201320595872 U CN 201320595872U CN 203477458 U CN203477458 U CN 203477458U
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China
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valve
medium
valve body
conducting
spool
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Expired - Fee Related
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CN201320595872.8U
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Chinese (zh)
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陈久挺
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Individual
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Individual
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Abstract

The utility model relates to a membrane valve set with small-torque control devices. According to the technical scheme, the membrane valve set with the small-torque control devices comprises at least two valves and the small-torque control devices connected with the valves respectively and driving the valves to open or close, each valve comprises a valve body, a valve deck, a valve duct, a valve seat and a valve element, each valve duct comprises a medium inlet channel, a medium outlet channel and a connecting cavity, each small-torque control device comprises a control shell, a medium inlet formed in the control shell, a plurality of medium outlets and a connecting cavity, each control valve element is arranged in the corresponding connecting cavity, a communicating zone and a closed zone are arranged on the circumference of each control valve element, each medium inlet is connected with an external medium source, and each medium outlet is connected with a micro-opening-closing mechanism of the corresponding valve body. According to the technical scheme, the membrane valve set with the small-torque control devices is simple in operation, capable of controlling the valve bodies at the same time and easy to operate.

Description

Barrier film valve sets with little moment control device
Technical field
The utility model relates to a kind of valve, particularly a kind of barrier film valve sets with little moment control device.
Background technique
At present, valve opening or the hoisting capacity while closing and open and close moment, during throttle down, need to make open-shut device and send out between seat two sealing surfaces to form certain seal pressure, also to overcome between valve rod and filler simultaneously, between valve rod and the screw thread of nut, frictional force and the pressure medium at valve rod overhang bracket place and other friction positions, thereby must apply certain hoisting capacity and open and close moment, its maximum value is instantaneous at first in the final instantaneous or unlatching of closing.Cause wanting high-torque actuator (motor, cylinder, handwheel etc.) to come control valve open or close and Flow-rate adjustment, increased cost of production (material and the energy), reduce manufacturing efficiency; And in specific operating mode, as oil field, valve body that submarine pipeline was used, if when the accident of leakage of oil or external combustion appears in oil field, operator need to close valve body one by one, not only consuming time, delay best flame extinction time, and had larger potential safety hazard; The valve body using on submarine pipeline, it is closed and opens needs operator to expend longer time and dynamics.
Summary of the invention
The deficiency existing for prior art, the utility model provide a kind of simple to operate, can be simultaneously to a plurality of valve bodies implement to control, the barrier film valve sets with little moment control device simple to operate.
For achieving the above object, the utility model provides following technological scheme: a kind of barrier film valve sets with little moment control device, it is characterized in that: the little moment control device that includes at least two valves and connect and can drive each valve opening or close respectively at each valve, each described valve includes respectively valve body and valve gap, in valve body, be provided with valve road, valve seat and spool, valve road includes medium inlet passage and medium flow pass, between valve gap and valve body, be provided with the connection chamber for medium inlet passage and the conducting of medium flow pass, spool is the support of diaphragm and diaphragm, diaphragm and be placed between medium inlet passage and medium flow pass and connection chamber, and touch and close with valve seat, diaphragm is provided with some pilot holes towards the end face of medium inlet passage part, valve body is provided with the guide channel with connection chamber conducting, in this guide channel, be provided with the discharge channel with extraneous conducting, the fine motion switching mechanism that is provided with formation discharge channel and guide channel conducting between discharge channel and guide channel or closes, described little moment control device includes and controls housing, is located at medium import and the some media outlets controlled on housing, control housing and be provided with the cavity that is connected that is communicated with medium import and some media outlets, connect in cavity and be provided with control spool, outer circumferential face on control spool is provided with and impels medium import and whole media outlets or the conducting of part media outlet or the conducting region of closing and closed area, and medium import is connected with external agency source by conduit, media outlet is connected with the fine motion switching mechanism of valve body by conduit.
Adopt technique scheme, each valve can be implemented to control to the fine motion switching mechanism arranging on it by independently little moment control device, make each valve opening or close, after arranging like this, the switching of several valve bodies is implemented to drive by driving mechanism respectively, when operator implement whole valves or part valve body to open or close at needs, only need a driving mechanism of operation just can implement, easy to operate, save time, can be used for special operating mode; And the operator that are arranged so that of fine motion switching mechanism can adopt little moment Open valve, without expending a large amount of manpowers, save manpower and material resources, reduced cost of production; And open discharge value and the speed of closing fast, improved working efficiency.
The utility model is further set to: fine motion switching mechanism includes the fitting seat that is fixedly connected with valve body, be fixedly arranged on valve body is connected with nonrigid connector with nonrigid connector and one end between fitting seat, the other end can seal with pressure release passage conflict or separated sealing head, between described nonrigid connector and fitting seat, be provided with and compress space, fitting seat is provided with the connection opening of impelling the extended conduit in media outlet place and compressing space conducting, and compress and in space, be provided with one end and nonrigid connector is conflicted, the Compress Spring of the other end and fitting seat conflict.
Adopt technique scheme, because the utility model embodiment is barrier film valve, in use, while thering is negative pressure in the connection chamber of valve body, the diaphragm of valve body cannot be opened, when little moment control device is when compressing in space input media, the medium compressing in space is implemented to compress to nonrigid connector and sealing head, valve body is in closed condition, and the medium compressing in space is drained into behind little moment control device place by conduit, the pressure medium compressing in space is excluded, the connecting passage of valve body and pressure release passage conducting, negative pressure in connection chamber can be discharged by pressure release passage, valve body can be in opening state.Arrange so simple in structurely, can adopt little moment to open valve body.
The utility model is further set to: extend outside control housing axial one end of controlling spool, this extends one end outside housing and is provided with and the knob of controlling spool and being connected, the groove of conducting region on described control spool for tilting to offer along control spool outer circumferential face, is arranged with seal ring outside closed area.
Adopt technique scheme, arrange so simple in structure, good airproof performance.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is the A-A generalized section of Fig. 1;
Fig. 3 is the structural representation of the medium and small moment control device of the utility model embodiment;
Fig. 4 is the utility model embodiment's schematic flow sheet.
Embodiment
A kind of barrier film valve sets with little moment control device as shown in Fig. 1-Fig. 4, the little moment control device 2 that includes at least two valves 1 and connect and can drive each valve 1 to open or close respectively at each valve 1, each valve 1 includes respectively valve body 3 and valve gap 4, in valve body 3, be provided with valve road, valve seat 31 and spool 32, valve road includes medium inlet passage 33 and medium flow pass 34, between valve gap 4 and valve body 3, be provided with the connection chamber 35 for medium inlet passage 33 and 34 conductings of medium flow pass, spool 32 is the support 322 of diaphragm 321 and diaphragm 321, diaphragm 321 and support 322 thereof are placed between medium inlet passage 33 and medium flow pass 34 and connection chamber 35, and touch and close with valve seat 31, diaphragm 321 is provided with some pilot holes 3211 towards the end face of medium inlet passage 33 parts, valve body 3 is provided with the guide channel 36 with connection chamber 35 conductings, in this guide channel 36, be provided with the discharge channel 37 with extraneous conducting, the fine motion switching mechanism 5 that is provided with formation discharge channel 37 and guide channel 36 conductings between discharge channel 37 and guide channel 36 or closes, little moment control device 2 includes controls housing 21, be located at medium import 22 and the some media outlets 23 controlled on housing 21, control housing 21 be provided be communicated with medium import 22 and some media outlets 23 be connected cavity 24, connect in cavity 24 and be provided with and control spool 25, outer circumferential face on control spool 25 is provided with and impels medium import 22 and whole media outlets 23 or 23 conductings of part media outlet or the conducting region 251 of closing and closed area 252, and medium import 22 is connected with external agency source by conduit 6, media outlet 23 is connected with the fine motion switching mechanism 5 of valve body 3 by conduit 6.In such scheme, each valve 1 can be implemented to control to the fine motion switching mechanism 5 arranging on it by independently little moment control device 2, make each valve 1 open or close, after arranging like this, the switching of several valves 1 is implemented to drive by driving mechanism respectively, when operator implement whole valves 1 or part valve 1 to open or close at needs, only need a driving mechanism of operation just can implement, easy to operate, save time, can be used for special operating mode; And the operator that are arranged so that of fine motion switching mechanism 5 can adopt little moment Open valve, without expending a large amount of manpowers, save manpower and material resources, reduced cost of production; And open discharge value and the speed of closing fast, improved working efficiency.
In the utility model embodiment, fine motion switching mechanism 5 includes the fitting seat 51 being fixedly connected with valve body 3, being fixedly arranged on valve body 3 is connected with nonrigid connector 52 with nonrigid connector 52 and one end between fitting seat 51, the other end can seal with pressure release passage 37 conflicts or separated sealing head 53, between nonrigid connector 52 and fitting seat 51, be provided with and compress space 54, fitting seat 51 is provided with and impels the media outlet 22 extended conduits 6 in place and the connection opening 511 that compresses space 54 conductings, and compress and in space 54, be provided with one end and nonrigid connector 52 is conflicted, the Compress Spring 55 that the other end and fitting seat 51 are conflicted.Because the utility model embodiment is barrier film valve, in use, while thering is negative pressure in the connection chamber 35 of valve body 3, the diaphragm 321 of valve body 3 cannot be opened, when 2 pairs of little moment control devices compress space 54 interior input media, the medium compressing in space 54 is implemented to compress to nonrigid connector 52 and sealing head 53, valve body 3 is in closed condition, and the medium compressing in space 54 is drained into behind little moment control device 2 places by conduit 6, the pressure medium compressing in space 54 is excluded, connecting passage 36 and pressure release passage 37 conductings of valve body 3, negative pressure in connection chamber 35 can be discharged by pressure release passage 37, valve body 3 can be in opening state.Arrange so simple in structurely, can adopt little moment to open valve body 3.
In the utility model embodiment, for easy-to-operat personnel are to the unlatching of valve body 3 and the sealability of valve body is protected, controlling axial one end of spool 25 extends outside control housing 21, this extends one end of controlling outside housing 21 and is provided with and the knob 26 of controlling spool 25 and being connected, control the groove that the conducting region 251 on spool 25 tilts to offer for edge control spool 25 outer circumferential faces, the outer seal ring 27 that is arranged with in closed area 252.It should be noted that, the little moment control device 2 in the utility model embodiment can independently be implemented to control to a valve 1, also can implement to control to a plurality of valves 1 simultaneously.

Claims (3)

1. the barrier film valve sets with little moment control device, it is characterized in that: the little moment control device that includes at least two valves and connect and can drive each valve opening or close respectively at each valve, each described valve includes respectively valve body and valve gap, in valve body, be provided with valve road, valve seat and spool, valve road includes medium inlet passage and medium flow pass, between valve gap and valve body, be provided with the connection chamber for medium inlet passage and the conducting of medium flow pass, spool is the support of diaphragm and diaphragm, diaphragm and be placed between medium inlet passage and medium flow pass and connection chamber, and touch and close with valve seat, diaphragm is provided with some pilot holes towards the end face of medium inlet passage part, valve body is provided with the guide channel with connection chamber conducting, in this guide channel, be provided with the discharge channel with extraneous conducting, the fine motion switching mechanism that is provided with formation discharge channel and guide channel conducting between discharge channel and guide channel or closes, described little moment control device includes and controls housing, is located at medium import and the some media outlets controlled on housing, control housing and be provided with the cavity that is connected that is communicated with medium import and some media outlets, connect in cavity and be provided with control spool, outer circumferential face on control spool is provided with and impels medium import and whole media outlets or the conducting of part media outlet or the conducting region of closing and closed area, and medium import is connected with external agency source by conduit, media outlet is connected with the fine motion switching mechanism of valve body by conduit.
2. the barrier film valve sets with little moment control device according to claim 1, it is characterized in that: described fine motion switching mechanism includes the fitting seat being fixedly connected with valve body, being fixedly arranged on valve body is connected with nonrigid connector with nonrigid connector and one end between fitting seat, the other end can seal with pressure release passage conflict or separated sealing head, between described nonrigid connector and fitting seat, be provided with and compress space, fitting seat is provided with the connection opening of impelling the extended conduit in media outlet place and compressing space conducting, and compress and in space, be provided with one end and nonrigid connector is conflicted, the Compress Spring that the other end and fitting seat are conflicted.
3. the barrier film valve sets with little moment control device according to claim 1 and 2, it is characterized in that: extend outside control housing axial one end of described control spool, this extends one end outside housing and is provided with and the knob of controlling spool and being connected, the groove of conducting region on described control spool for tilting to offer along control spool outer circumferential face, is arranged with seal ring outside closed area.
CN201320595872.8U 2013-09-25 2013-09-25 Membrane valve set with small-torque control devices Expired - Fee Related CN203477458U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320595872.8U CN203477458U (en) 2013-09-25 2013-09-25 Membrane valve set with small-torque control devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320595872.8U CN203477458U (en) 2013-09-25 2013-09-25 Membrane valve set with small-torque control devices

Publications (1)

Publication Number Publication Date
CN203477458U true CN203477458U (en) 2014-03-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106545676A (en) * 2016-10-28 2017-03-29 江阴市天润机械制造有限公司 A kind of automatic gear-box pressure electromagnetic valve for adjusting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106545676A (en) * 2016-10-28 2017-03-29 江阴市天润机械制造有限公司 A kind of automatic gear-box pressure electromagnetic valve for adjusting

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Granted publication date: 20140312