CN109595346A - A kind of balanced type gas electromagnetic valve - Google Patents

A kind of balanced type gas electromagnetic valve Download PDF

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Publication number
CN109595346A
CN109595346A CN201710922447.8A CN201710922447A CN109595346A CN 109595346 A CN109595346 A CN 109595346A CN 201710922447 A CN201710922447 A CN 201710922447A CN 109595346 A CN109595346 A CN 109595346A
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CN
China
Prior art keywords
spool
seal cap
type gas
face
balanced type
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
Application number
CN201710922447.8A
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Chinese (zh)
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CN109595346B (en
Inventor
黄启彬
杨开明
周高云
秦刚
茅忠群
诸永定
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Ningbo Fotile Kitchen Ware Co Ltd
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Ningbo Fotile Kitchen Ware Co Ltd
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Priority to CN201710922447.8A priority Critical patent/CN109595346B/en
Publication of CN109595346A publication Critical patent/CN109595346A/en
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Publication of CN109595346B publication Critical patent/CN109595346B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644One-way valve
    • F16K31/0655Lift valves
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

The present invention relates to a kind of balanced type gas electromagnetic valves, including valve body, shell, electromagnetic coil, spool and seal cap, there is blast tube in valve body, shell is fixed on valve body, electromagnetic coil is arranged in shell, spool is threaded through in electromagnetic coil, the front end of spool is protruded into the blast tube of valve body, seal cap is connected to the front end of spool, and the outlet of the blast tube can be opened and blocked under the drive of spool, there is cavity in seal cap, the front end activity of spool is threaded through in the cavity of seal cap, aperture is offered on the front end face of seal cap, at least one aperture is offered on the rear end face of seal cap, the front end of spool can be moved forward and backward in the cavity of seal cap and block and open aperture.The balanced type gas electromagnetic valve can reduce the air pressure of seal cap both ends when drawing valve, and then can reduce energy consumption, and can be improved and draw valve success rate.

Description

A kind of balanced type gas electromagnetic valve
Technical field
The present invention relates to Solenoid Valve Technology field, in particular to a kind of balanced type gas electromagnetic valve.
Background technique
Currently, gas pipeline, gas furnace and gas heater etc. need on the utensil using combustion gas, application has combustion gas Solenoid valve, existing gas electromagnetic valve usually utilizes electromagnetic coil to generate electromagnetic force, and then moves back and forth with movable valve plug, realizes combustion The unlatching or blocking of gas access.The biggish gas electromagnetic valve of hole area through-flow for combustion gas, the seal cap in valve close through flow hole The back pressure area born when conjunction is larger, and while drawing valve needs by entire through flow hole disposable tension, therefore needed for gas electromagnetic valve Drawing valve power it is larger, energy consumption is high, then the cost of gas electromagnetic valve is also corresponding higher, and increases the probability for drawing valve not open.Such as Authorization Notice No. is the Chinese utility model patent " fuel gas safe electromagnetic valve " of CN2648193Y (application No. is 03217617.1), And Authorization Notice No. is " a kind of close for the Chinese utility model patent of CN202580064U (application No. is 201220212985.0) Seal structure and application its gas electromagnetic valve ", disclosed in gas electromagnetic valve structure i.e. there are foregoing problems.
Summary of the invention
The technical problem to be solved by the invention for the present situation of prior art is to provide one kind can reduce when drawing valve Seal cap both ends draught head, and then energy consumption can be reduced and can be improved the balanced type gas electromagnetic valve for drawing valve success rate.
The technical scheme of the invention to solve the technical problem is: a kind of balanced type gas electromagnetic valve, including valve Body, shell, electromagnetic coil, spool and seal cap, the valve body is interior to have blast tube, and the shell is fixed at valve body On, the electromagnetic coil is arranged in shell, and the spool is threaded through in electromagnetic coil, and the front end of spool is protruded into valve body Blast tube in, seal cap is connected to the front end of spool, and can open and block the blast tube under the drive of spool Outlet, it is characterised in that: there is cavity, the front end activity of the spool is threaded through the sky of the seal cap in the seal cap It is intracavitary, aperture is offered on the front end face of the seal cap, at least one aperture, institute are offered on the rear end face of the seal cap The front end for stating spool can be moved forward and backward in the cavity of seal cap and block and open the aperture.
In order to realize automatically reseting for spool, and then blast tube outlet is blocked, the electromagnetic coil rear end connection is limited Position column, the limited post protrude into the centre bore of electromagnetic coil, and the limit can be supplied by offering on the rear end face of the spool The blind hole that column protrudes into is arranged with elastic component on the limited post, and one end of the elastic component is against on the connecting end surface of limited post, The other end of the elastic component is against on the inner face of the blind hole.
In order to guarantee spool to the leakproofness of seal cap front end aperture, corresponding to the front end of spool, the seal cap front end Recess, which is provided with, on the inner wall in face to match the groove being caught in for spool front end.
In order to realize being flexibly connected for spool and seal cap, the front end of the spool is radially outward provided with one week convex shoulder, The front end of the spool is connected by the convex shoulder with seal cap.
The cross section of the seal cap is trapezoidal, and the aperture is provided at least three and is uniformly set at seal cap Inclined end face on.
In order to guarantee seal cap to the leakproofness of blast tube outlet closure, one week of the outlet of the blast tube is inwardly Being extended has one week edge, and recess is provided with the annular groove for edge matches insertion on the front end face of the seal cap.
Preferably, isolation board is provided between the shell and the joint face of valve body, the spool is threaded through the isolation In plate.
Facilitate installation ground, one week forward end of the isolation board inward flange, which is convexly curved, to arch upward.
Sealing effect preferably, is provided with sealing element between the isolation board and valve body, shell.
In order to facilitate assembly, there is the mounting hole that passes through for spool on the shell, on the front end face of the electromagnetic coil Being extended forward has a circle position-limited edge, and the position-limited edge, which can match, to be inserted in the mounting hole of the shell.
Compared with prior art, advantages of the present invention: the balanced type gas electromagnetic valve in the present invention is carrying out drawing valve events When, pull spool to move backward, spool then moves backward in the cavity of seal cap relative to seal cap, so then releases spool Closure to aperture in seal cap, the aperture of combustion gas in blast tube then on self-sealing cap flow through the aperture of seal cap, in turn The pressure difference at seal cap both ends is reduced, the pressure that seal cap is born when gas electromagnetic valve draws valve is so then reduced, so that It draws electrical power required when valve to greatly reduce, while improving the success rate for drawing valve.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the balanced type gas electromagnetic valve in the embodiment of the present invention.
Fig. 2 is the perspective view of seal cap in the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As depicted in figs. 1 and 2, the present invention in balanced type gas electromagnetic valve, including valve body 1, shell 2, electromagnetic coil 3, Spool 4, seal cap 5 and elastic component 7.
Wherein valve body 1 uses valve body 1 in the prior art, has blast tube 11 in valve body 1, blast tube 11 is in valve body Inlet and outlet 111 is formed on 1.Furthermore also have on the valve body 1 and export 111 opposite opening portions, shell 2 is then fixed to be connected It connects in the opening portion position of valve body 1.
Electromagnetic coil 3 in the present embodiment uses 3 finished product of electromagnetic coil in the prior art, and electromagnetic coil 3 is arranged in shell In body 2.In order to facilitate assembly, there is the mounting hole passed through for spool 4 on shell 2, extend forward on the front end face of electromagnetic coil 3 It is provided with a circle position-limited edge 31, position-limited edge 31, which can match, to be inserted in the mounting hole of shell 2.During 3 center of electromagnetic coil has Heart hole, spool 4 are then threaded through in the center of electromagnetic coil 3, and the front end of spool 4 is protruded by the opening portion on valve body 1 In the blast tube 11 of valve body 1.
Limited post 6 is also connected on the rear end face of electromagnetic coil 3, limited post 6 protrudes into the centre bore in electromagnetic coil 3 It is interior, the blind hole that can be protruded into for limited post 6 is offered on the rear end face of spool 4.Elastic component 7 is arranged outside limited post 6, in the present embodiment Elastic component 7 use spring.One end of spring is against on the connecting end surface of limited post 6, and the other end of spring is against the interior of blind hole On end face.After being powered in electromagnetic coil 3, electromagnetic coil 3 can drive spool 4 to move backward, at this time 4 compressed spring of spool, So that spring is in compress energy storage state.And after 3 power loss of electromagnetic coil, then electromagnetic coil 3 disappears to the driving force of spool 4, Then under the elastic force effect of spring, spring forces spool 4 travels forward, and realizes automatically reseting for spool 4.
In order to guarantee the leakproofness between valve body 1 and spool 4, isolation board is provided between shell 2 and the joint face of valve body 1 8, which can be convenient the installation of the connection between shell 2 and valve body 1, and spool 4 is passed through from the isolation board 8.For convenience The Matching installation of the isolation board 8, one week forward end of 8 inward flange of isolation board, which is convexly curved, to arch upward.Isolation board 8 and shell 2 Between be folded with sealing element, between avoiding spool 4 during back-and-forth motion between electromagnetic coil 3, shell 2 by sealing element The case where gap leaks air, while it being also equipped with sealing element between isolation board 8 and valve body 1, it can effectively ensure that valve body 1 and spool Leakproofness between 4.
Seal cap 5 has rubber material to be made, and has certain elasticity.The hollow setting of seal cap 5 in the present embodiment, this is close There is cavity 51,5 cross section of seal cap in the present embodiment is trapezoidal, that is, has front end face, rear end face and connection in sealing cap 5 Inclined end face between front end face and rear end face.It is uniformly distributed on the inclined end face of seal cap 5 and offers at least three apertures 53.There is the hole penetrated for 4 front end of spool, the outer peripheral edge of the front end of spool 4 is radially convexly equipped with one on the rear end face of seal cap 5 Convex shoulder 41 is enclosed, the front end of spool 4 is connected in seal cap 5 by 41 activity of convex shoulder, and spool 4 can be in the cavity 51 of seal cap 5 Inside move along the longitudinal direction.Offer aperture 52 on the front end face of seal cap 5, spool 4 is being moved forward and backward relative to seal cap 5 It can open and block in the process the aperture 52 in seal cap 5.In order to guarantee sealing of the spool 4 to 5 front end aperture 52 of seal cap Property, corresponding to the front end of spool 4, recess is provided with to match for spool 4 front end and be caught on the inner wall of 5 front end face of seal cap Groove 54, i.e., after spool 4 travels forward relative to seal cap 5, all sealing is snapped into for 4 front end face of spool and 41 part of convex shoulder In groove 54.
And spool 4 is able to drive seal cap 5 and moves forward and backward during back-and-forth motion, so that seal cap 5 is beaten Open and block the outlet 111 of blast tube 11.When blocking the outlet of blast tube 11 111 in order to further ensure seal cap 5, sealing Leakproofness between cap 5 and the outlet of blast tube 11 111, one week of the outlet 111 of blast tube 11, which is inwardly extended, one All edges 112, recess is provided with the annular groove 55 for the matching insertion of edge 112 on the front end face of seal cap 5, i.e. seal cap 5 blocks Behind the outlet of blast tube 11 111, then one week edge 112 of the outlet 111 of blast tube 11 is snapped onto just in annular groove 55, effectively Improve the leakproofness between seal cap 5 and the outlet 111 of blast tube 11.
The working principle of the balanced type gas electromagnetic valve are as follows: logical for electromagnetic coil 3 when gas electromagnetic valve carries out drawing valve operation Electricity pulls spool 4 to move backward, is firing since seal cap 5 blocks at this time under the action of the electromagnetic force that electromagnetic coil 3 generates At the outlet 111 in gas channel 11, the back pressure of seal cap 5 is big at this time, then spool 4 is first in the cavity 51 of seal cap 5 relative to close Sealing cap 5 moves backward, then spool 4 opens the closure to aperture 52 in seal cap 5, the combustion entered from 11 entrance of blast tube The aperture 53 of gas self-sealing cap 5 enters in the cavity 51 of seal cap 5, and then flows through the aperture 52 of seal cap 5, so that seal cap The pressure difference of 5 rear and front ends reduces.As spool 4 continues to move backward, when the convex shoulder 41 of spool 4 is against the rear end face of seal cap 5 After upper, spool 4 then pulls seal cap 5 to move backward, and since the pressure difference of 5 rear and front end of seal cap constantly reduces, then spool 4 drives Seal cap 5 moves the opposite reduction of required active force, and spool 4 drives seal cap 5 to move back together, and then opens to blast tube 11 The closure of outlet 111.The process then draws valve success rate to get a promotion, and draw since the pressure difference of 5 rear and front end of seal cap reduces The energy consumption needed during valve reduces.In this way, on the one hand light current valve can be configured by the balanced type gas electromagnetic valve, reduce The manufacturing cost of gas electromagnetic valve.Also it is applied to the biggish blast tube 11 of gas flow simultaneously for the balanced type gas electromagnetic valve Outlet 111 provides possibility.
After 3 power loss of electromagnetic coil, spool 4 then moves forward under the action of the spring, and the front end of spool 4 is also by seal cap Aperture 52 on 5 blocks, the final outlet 111 for driving seal cap 5 to block blast tube 11, i.e. closure valve port.

Claims (10)

1. a kind of balanced type gas electromagnetic valve, including valve body (1), shell (2), electromagnetic coil (3), spool (4) and seal cap (5), there are blast tube (11) in the valve body (1), the shell (2) is fixed on valve body (1), the electromagnetic coil (3) setting is in shell (2), and the spool (4) is threaded through in electromagnetic coil (3), and the front end of spool (4) is protruded into valve body (1) in blast tube (11), seal cap (5) is connected to the front end of spool (4), and can be opened under the drive of spool (4) with Block the outlet (111) of the blast tube (11), it is characterised in that: there are cavity (51) in the seal cap (5), the valve The front end activity of core (4) is threaded through in the cavity (51) of the seal cap (5), is offered on the front end face of the seal cap (5) Aperture (52) offers at least one aperture (53) on the rear end face of the seal cap (5), and the front end of the spool (4) can It is moved forward and backward in the cavity (51) of seal cap (5) and blocks and open the aperture (52).
2. balanced type gas electromagnetic valve according to claim 1, it is characterised in that: electromagnetic coil (3) the rear end connection Have limited post (6), the limited post (6) is protruded into the centre bore of electromagnetic coil (3), opens on the rear end face of the spool (4) Equipped with the blind hole that the limited post (6) can be supplied to protrude into, it is arranged with elastic component (7) on the limited post (6), the elastic component (7) One end be against on the connecting end surface of limited post (6), the other end of the elastic component (7) is against on the inner face of the blind hole.
3. balanced type gas electromagnetic valve according to claim 1, it is characterised in that: correspond to the front end of spool (4), it is described Recess, which is provided with, on the inner wall of seal cap (5) front end face to match the groove (54) being caught in for spool (4) front end.
4. balanced type gas electromagnetic valve according to claim 1, it is characterised in that: the front end of the spool (4) it is radial to It is provided with one week convex shoulder (41) outside, the front end of the spool (4) is connected by the convex shoulder (41) with seal cap (5).
5. balanced type gas electromagnetic valve according to claim 1, it is characterised in that: the cross section of the seal cap (5) is in Trapezoidal, the aperture (53) is provided at least three and is uniformly set on the inclined end face of seal cap (5).
6. balanced type gas electromagnetic valve according to claim 1, it is characterised in that: the outlet of the blast tube (11) (111) one week, which is inwardly extended, one week edge (112), is recessed on the front end face of the seal cap (5) and is provided with for institute State the annular groove (55) of edge (112) matching insertion.
7. according to claim 1 to balanced type gas electromagnetic valve described in 6 any claims, it is characterised in that: the shell (2) it is provided between the joint face of valve body (1) isolation board (8), the spool (4) is threaded through in the isolation board (8).
8. balanced type gas electromagnetic valve according to claim 7, it is characterised in that: the one of isolation board (8) inward flange All forward ends, which are convexly curved, to arch upward.
9. balanced type gas electromagnetic valve according to claim 8, it is characterised in that: the isolation board (8) and valve body (1), Shell is provided with sealing element between (2).
10. according to claim 1 to balanced type gas electromagnetic valve described in 6 any claims, it is characterised in that: the shell (2) there is the mounting hole passed through for spool (4), being extended forward on the front end face of the electromagnetic coil (3) has circle limit on Position side (31), the position-limited edge (31), which can match, to be inserted in the mounting hole of the shell (2).
CN201710922447.8A 2017-09-30 2017-09-30 Balanced type gas electromagnetic valve Active CN109595346B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710922447.8A CN109595346B (en) 2017-09-30 2017-09-30 Balanced type gas electromagnetic valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710922447.8A CN109595346B (en) 2017-09-30 2017-09-30 Balanced type gas electromagnetic valve

Publications (2)

Publication Number Publication Date
CN109595346A true CN109595346A (en) 2019-04-09
CN109595346B CN109595346B (en) 2023-11-17

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2623983Y (en) * 2003-07-03 2004-07-07 杨敏键 Energy-saving electromagnetic valve
CN200940726Y (en) * 2006-08-19 2007-08-29 陈朋海 Full automatic safety gas valve
CN101135381A (en) * 2006-08-31 2008-03-05 华南理工大学 Normally closed mixing delivery electromagnetic valve
CN201093080Y (en) * 2007-10-18 2008-07-30 王国华 Integration straightthrough type gas electromagnetic valve
CN101235900A (en) * 2008-03-11 2008-08-06 陈先仁 Burnt gas leakage security valve
CN202927216U (en) * 2012-10-20 2013-05-08 李少锋 Gas emergency cut-off valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2623983Y (en) * 2003-07-03 2004-07-07 杨敏键 Energy-saving electromagnetic valve
CN200940726Y (en) * 2006-08-19 2007-08-29 陈朋海 Full automatic safety gas valve
CN101135381A (en) * 2006-08-31 2008-03-05 华南理工大学 Normally closed mixing delivery electromagnetic valve
CN201093080Y (en) * 2007-10-18 2008-07-30 王国华 Integration straightthrough type gas electromagnetic valve
CN101235900A (en) * 2008-03-11 2008-08-06 陈先仁 Burnt gas leakage security valve
CN202927216U (en) * 2012-10-20 2013-05-08 李少锋 Gas emergency cut-off valve

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