CN206958281U - Novel structure gas proportioning valve - Google Patents

Novel structure gas proportioning valve Download PDF

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Publication number
CN206958281U
CN206958281U CN201720671299.2U CN201720671299U CN206958281U CN 206958281 U CN206958281 U CN 206958281U CN 201720671299 U CN201720671299 U CN 201720671299U CN 206958281 U CN206958281 U CN 206958281U
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valve
ring
hole
gusset
novel structure
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邵嘉泰
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HANGZHOU QIANGBANG PRECISION MECHANICAL ELECTRICAL EQUIPMENT CO Ltd
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HANGZHOU QIANGBANG PRECISION MECHANICAL ELECTRICAL EQUIPMENT CO Ltd
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Abstract

It the utility model is related to gas valve field, it is therefore an objective to provide a kind of novel structure gas proportioning valve.A kind of novel structure gas proportioning valve, including:The air intake duct and the valve body of the gas outlet connected with spacer ring upper end connected provided with spacer ring, with spacer ring gusset, ratio valve module, located at the shut-off valve assemblies of air intake duct;Ratio valve module includes:Upper end is provided with the proportional valve spool of back-up ring, be connected with proportional valve spool lower end and the epithelium of outward flange and spacer ring lower end sealed connection, proportional valve spool position adjustments component, the needle valve core provided with bulge loop, pressure regulation stage clip;Proportional valve spool is provided with needle valve hole, several side air admission holes for being located at proportional valve spool gusset and being connected with needle valve hole gusset, the voltage stabilizing venthole penetrated respectively with needle valve hole upper end and proportional valve spool upper end;Needle valve core is located in needle valve hole;Needle valve hole lower end and the lower end of bulge loop are pushed down respectively in the both ends of pressure regulation stage clip.The novel structure gas proportioning valve adjusts sensitive when gaseous-pressure short-time fluctuations, and possesses air inlet cutoff function.

Description

Novel structure gas proportioning valve
Technical field
Gas valve field is the utility model is related to, especially a kind of novel structure gas proportioning valve.
Background technology
Chinese Patent Application No.:CN201620201556.1 utility model discloses a kind of gas ratio valve, the combustion Gas proportioning valve includes:Valve body, core assembly and driving return unit, wherein, formed with the first valve pocket, the second valve pocket and valve in valve body Mouthful, the lower end of valve port connects the first valve pocket and upper end connects the second valve pocket, and the first valve pocket is connected with air inlet, the connection of the second valve pocket There is gas outlet;Core assembly is movably arranged on valve body between opening and closing the position of valve port along the vertical direction, valve element Component includes valve element and seal, and seal is located on valve element, and seal is against below valve port when core assembly closes valve port; Driving return unit is connected with valve body and core assembly respectively, and driving return unit is used to drive valve element movement to open or close valve Mouthful.Adjustment is not sensitive enough when the gas ratio valve has gaseous-pressure short-time fluctuations, does not possess the deficiency of air inlet cutoff function;Cause This, adjusts sensitive when designing a kind of gaseous-pressure short-time fluctuations, possess the novel structure gas proportioning valve of air inlet cutoff function, into For urgent problem to be solved.
Utility model content
The purpose of this utility model is to overcome current gas ratio valve to be adjusted when gaseous-pressure short-time fluctuations be present It is not sensitive enough, do not possess the deficiency of air inlet cutoff function;Therefore it provides sensitive, tool is adjusted during a kind of gaseous-pressure short-time fluctuations The novel structure gas proportioning valve of standby air inlet cutoff function.
Concrete technical scheme of the present utility model is:
A kind of novel structure gas proportioning valve, including:The air intake duct that is connected provided with spacer ring, with spacer ring gusset and with spacer ring Hold the valve body of the gas outlet of connection, ratio valve module;Described novel structure gas proportioning valve also includes:Located at cutting for air intake duct Only valve module;Ratio valve module includes:Upper end is provided with the proportional valve spool of the back-up ring relative with spacer ring upper end, with proportional valve spool lower end The epithelium that connection and outward flange are tightly connected with spacer ring lower end, proportional valve spool position adjustments component, the needle valve core provided with bulge loop, is adjusted Press stage clip;Proportional valve spool be provided with diameter and bulge loop diameter matches needle valve hole, several be located at proportional valve spool gusset and and needle-valve The side air admission hole of hole gusset connection, the voltage stabilizing venthole penetrated respectively with needle valve hole upper end and proportional valve spool upper end;Needle valve core position In needle valve hole and bulge loop lower end be less than side air admission hole lower end;Needle valve hole lower end and convex is pushed down respectively in the both ends of pressure regulation stage clip The lower end of ring.Described novel structure gas proportioning valve is in use, proportional valve spool position adjustments Component driver proportional valve spool drives Back-up ring moves upwards, back-up ring is departed from the aperture for reaching setting with spacer ring upper end, connects air intake duct and gas outlet;Combustion in spacer ring When air pressure fluctuation increases in short-term, combustion gas enters needle valve hole from side air admission hole, and needle valve core overcomes the resistance of pressure regulation stage clip to transport downwards Dynamic, combustion gas is flowed out from voltage stabilizing venthole, the gaseous-pressure in sensitive adjustment spacer ring;The novel structure gas proportioning valve works as combustion gas Adjust sensitive during pressure short-time fluctuations, and possess air inlet cutoff function.
Preferably, described proportional valve spool position adjustments component includes:Provided with flange and push down epithelium and proportional valve spool The magnetic receiver of lower end connection, the proportioning valve magnet being connected with magnetic receiver cover proportioning valve magnet and magnetic receiver and upper end and valve body The supporting spring of flange lower end and cover lid inside lower end is pushed down at the cover lid of connection, both ends respectively, provided with adjusting screw hole and with cover lid The ratio valve coil of lower end connection, upper end is located at the proportioning valve iron core being threadedly coupled in adjusting screw hole and with adjusting screw hole.Ratio Spool position adjusting part is simple and practical;Rotary proportional valve iron core adjusts the distance of proportioning valve iron core and proportioning valve magnet, When the electric current for flowing through ratio valve coil is constant, the absorption affinity between proportioning valve iron core and proportioning valve magnet can be adjusted, so as to adjust Save back-up ring and the aperture of spacer ring upper end;Support spring and be beneficial to back-up ring and the disengaging of spacer ring upper end.
Preferably, described air intake duct includes:Air inlet is located at the perpendicular passage of lower end, and one end is stretched into perpendicular passage and another The transverse passage-way that one end connects with spacer ring gusset;The gusset of perpendicular passage is provided with the side through hole relative with transverse passage-way one end;End valve group Part includes:Side through hole and the cut-off valve chest being connected with valve body gusset are covered, is ended provided with being oriented to mesopore and being located in valve chest Stop valve coil, located at being oriented in mesopore and outer end and the static iron core that be connected of cut-off valve chest, outer end, which passes through, ends valve chest Insertion be oriented to mesopore in and with the inner relative dynamic iron core of static iron core, it is relative with transverse passage-way one end and with dynamic iron core the inner be connected Valve pad, be connected with valve pad outer end and outer gusset be provided with outer end insertion positioning ring groove centring ring, located at cut-off valve chest Inner frustum type flange collar, taper stage clip;The material of valve pad is rubber or plastics;The big end of taper stage clip is enclosed on frustum type flange collar It is outer and to push down cut-off valve chest inner;The small end of taper stage clip is located in positioning ring groove and pushes down the inner of positioning ring groove.Cut-off Valve module structure is practical reliable;The material of valve pad is rubber or plastics, and there is deformability to be beneficial to closure transverse passage-way one end and block Gas circuit.
Preferably, the inner of described static iron core is provided with frustum face;The outer end of dynamic iron core is provided with the taper with frustum face Identical taper type counterbore;The top surface of taper type counterbore is provided with buffering noise reduction cushion block.Frustum face and taper type counterbore coordinate and can carried Absorption affinity between high static iron core and dynamic iron core;Buffering noise reduction cushion block reduces strike note when static iron core is adsorbed with dynamic iron core.
Preferably, it is provided with sealing ring between described static iron core and guiding mesopore.Beneficial to sealing.
Preferably, described proportional valve spool is provided with the epithelium pallet on the upside of epithelium.It is solid that epithelium pallet is beneficial to supporting Determine epithelium.
Preferably, described back-up ring is shaped as frustum type of the big end positioned at upside;Back-up ring gusset be provided with spacer ring The relative sealing lining ring in the upper end in hole.Seal sealing when lining ring improves back-up ring closure spacer ring upper end.
Preferably, described valve body is provided with several mounting ears.Mounting ear is beneficial to installation.
Compared with prior art, the beneficial effects of the utility model are:The novel structure gas proportioning valve works as gaseous-pressure Adjust sensitive during short-time fluctuations, and possess air inlet cutoff function.Proportional valve spool position adjustments modular construction is simple and practical;Speed ratio Example valve iron core regulation proportioning valve iron core and the distance of proportioning valve magnet, when the electric current for flowing through ratio valve coil is constant, can be adjusted Absorption affinity between proportioning valve iron core and proportioning valve magnet, so as to adjust the aperture of back-up ring and spacer ring upper end;Supporting spring is beneficial to Back-up ring departs from spacer ring upper end.Shut-off valve assemblies structure is practical reliable;The material of valve pad is rubber or plastics, has deformability Gas circuit is blocked beneficial to closure transverse passage-way one end.Frustum face and taper type counterbore coordinate the suction that can be improved between static iron core and dynamic iron core Attached power;Buffering noise reduction cushion block reduces strike note when static iron core is adsorbed with dynamic iron core.It is provided between static iron core and guiding mesopore close Seal, beneficial to sealing.Epithelium pallet is beneficial to supporting and fixing epithelium.Seal sealing when lining ring improves back-up ring closure spacer ring upper end Property.Mounting ear is beneficial to installation.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
In figure:Spacer ring 1, gas outlet 2, valve body 3, back-up ring 4, proportional valve spool 5, epithelium 6, needle valve core 7, pressure regulation stage clip 8, needle-valve Hole 9, side air admission hole 10, voltage stabilizing venthole 11, flange 12, magnetic receiver 13, proportioning valve magnet 14, cover lid 15, supporting spring 16, tune Save screw 17, ratio valve coil 18, proportioning valve iron core 19, groove 20, perpendicular passage 21, transverse passage-way 22, side through hole 23, cut-off valve casing Body 24, it is oriented to mesopore 25, stop valve coil 26, static iron core 27, dynamic iron core 28, valve pad 29, positioning ring groove 30, centring ring 31, cone Bench-type flange collar 32, taper stage clip 33, frustum face 34, taper type counterbore 35, buffering noise reduction cushion block 36, sealing ring 37, epithelium pallet 38th, lining ring 39, mounting ear 40, bulge loop 41 are sealed.
Embodiment
It is shown below in conjunction with the accompanying drawings that the utility model is described further.
As shown in Figure 1:A kind of novel structure gas proportioning valve, including:Enter provided with spacer ring 1, with what the gusset of spacer ring 1 connected Air flue and the valve body 3 of the gas outlet 2 connected with the upper end of spacer ring 1, ratio valve module, located at the shut-off valve assemblies of air intake duct;Ratio Valve module includes:Upper end is provided with the proportional valve spool 5 of the back-up ring 4 relative with the upper end of spacer ring 1, is connected with the lower end of proportional valve spool 5 and outer The edge epithelium 6 Nian Jie with the lower end of spacer ring 1, proportional valve spool position adjustments component, the needle valve core 7 provided with bulge loop 41, pressure regulation stage clip 8;Proportional valve spool 5 is provided with the needle valve hole 9, four that diameter coordinates with the diametric clearance of bulge loop 41 and is located at the gusset of proportional valve spool 5 and and pin The side air admission hole 10 of the gusset of valve opening 9 connection, the voltage stabilizing venthole 11 penetrated respectively with the upper end of needle valve hole 9 and the upper end of proportional valve spool 5; Needle valve core 7 is located in needle valve hole 9 and the lower end of bulge loop 41 is less than the lower end of side air admission hole 10;Press respectively at the both ends of pressure regulation stage clip 8 The firmly lower end of needle valve hole 9 and the lower end of bulge loop 41.
In the present embodiment;Described proportional valve spool position adjustments component includes:Provided with flange 12 and push down epithelium 6 and ratio The magnetic receiver 13 of the lower end of valve element 5 threaded connection, the proportioning valve magnet 14 being connected is inlayed with magnetic receiver 13, covers proportioning valve magnet 14 With magnetic receiver 13 and upper end and the cover lid 15 of the mode connects for screw of valve body 3, both ends are pushed down under the lower end of flange 12 and the inner side of cover lid 15 respectively The supporting spring 16 at end, the ratio valve coil 18 being connected provided with adjusting screw hole 17 and with the lower end of cover lid 15, upper end is positioned at regulation spiral shell The proportioning valve iron core 19 being threadedly coupled in hole 17 and with adjusting screw hole 17.The lower end of proportioning valve iron core 19 is provided with groove 20.
Described air intake duct includes:Air inlet is located at the perpendicular passage 21 of lower end, and one end is stretched into perpendicular passage 21 and the other end The transverse passage-way 22 connected with the gusset of spacer ring 1;The gusset of perpendicular passage 21 is provided with the side through hole 23 relative with the one end of transverse passage-way 22;Cut-off Valve module includes:Cover side through hole 23 and with the cut-off valve chest 24 of the gusset mode connects for screw of valve body 3, provided with being oriented to mesopore 25 and position In ending the stop valve coil 26 in valve chest 24, located at being oriented in mesopore 25 and outer end is threadedly coupled with ending valve chest 24 Static iron core 27, outer end through cut-off valve chest 24 insertion be oriented to mesopore 25 in and with the inner relative dynamic iron core of static iron core 27 28, it is relative with the one end of transverse passage-way 22 and inlay the valve pad 29 being connected with the inner of dynamic iron core 28, it is connected with the outer end of valve pad 29 and outside The centring ring 31 provided with the positioning ring groove 30 with outer end insertion is enclosed, located at 24 inner frustum type flange collar 32 of cut-off valve chest, cone Shape stage clip 33;The material of valve pad 29 is rubber;The big end of taper stage clip 33 is enclosed on outside frustum type flange collar 32 and pushes down cut-off valve casing Body 24 is inner;The small end of taper stage clip 33 is located in positioning ring groove 30 and pushes down the inner of positioning ring groove 30;The material of valve pad 29 For rubber.
The inner of described static iron core 27 is provided with frustum face 34;The outer end of dynamic iron core 28 is provided with the taper phase with frustum face 34 Same taper type counterbore 35;The top surface of taper type counterbore 35 is provided with buffering noise reduction cushion block 36;The material of buffering noise reduction cushion block 36 is Rubber.
Sealing ring 37 is provided between described static iron core 27 and guiding mesopore 25.
Described proportional valve spool 5 is provided with the epithelium pallet 38 positioned at the upside of epithelium 6.
Described back-up ring 4 is shaped as frustum type of the big end positioned at upside;The gusset of back-up ring 4 is provided with upper with the endoporus of spacer ring 1 Hold relative sealing lining ring 39;The material of back-up ring 4 is nylon;The material for sealing lining ring 39 is rubber.
Described valve body 3 is provided with two mounting ears 40.
The application method of described novel structure gas proportioning valve,(1)During original state, in gravity and proportioning valve magnet 14 In the presence of proportional valve spool 5, the resistance of supporting spring 16 is overcome, back-up ring 4 blocks the upper end of spacer ring 1;(2)Ratio valve coil 18 It is powered, proportioning valve iron core 19 produces the magnetic field opposite with the pole shape of proportioning valve magnet 14, the upper end of proportioning valve iron core 19 and proportioning valve magnetic Magnetic repulsion force is produced between the lower end of iron 14, promotes proportioning valve magnet 14 to drive proportional valve spool 5 to move upwards, back-up ring 4 departs from spacer ring 1 Upper end, air intake duct connect with gas outlet 2;(3)As desired by regulation ratio valve coil 18 current value, make back-up ring 4 with every The upper end of ring 1 reaches the aperture of setting;(4)When gaseous-pressure fluctuation in spacer ring 1 increases in short-term, combustion gas enters from side air admission hole 10 Needle valve hole 9, needle valve core 7 overcome the resistance of pressure regulation stage clip 8 to move downward, and combustion gas is flowed out from voltage stabilizing venthole 11, it is sensitive adjustment every Gaseous-pressure in ring 1;(3)Stop valve coil 26 is powered, and static iron core 27 adsorbs dynamic iron core 28 and drives valve pad 29 to overcome taper The outside lateral movement of resistance of stage clip 33 and with the one end of transverse passage-way 22 depart from, air intake duct connection;Stop valve coil 26 powers off, in taper Under the effect of the reset force of stage clip 33, valve pad 29 blocks the one end of transverse passage-way 22, air intake duct cut-off.
The beneficial effects of the utility model are:The novel structure gas proportioning valve adjusts spirit when gaseous-pressure short-time fluctuations It is quick, and possess air inlet cutoff function.Proportional valve spool position adjustments modular construction is simple and practical;Rotary proportional valve iron core adjusts ratio The distance of valve iron core and proportioning valve magnet, when the electric current for flowing through ratio valve coil is constant, can adjust proportioning valve iron core and ratio Absorption affinity between valve magnet, so as to adjust the aperture of back-up ring and spacer ring upper end;Supporting spring takes off beneficial to back-up ring with spacer ring upper end From.Shut-off valve assemblies structure is practical reliable;The material of valve pad is rubber, and there is deformability to be beneficial to closure transverse passage-way one end and block Gas circuit.Frustum face and taper type counterbore coordinate the absorption affinity that can be improved between static iron core and dynamic iron core;Buffering noise reduction cushion block makes quiet Iron core reduces strike note when being adsorbed with dynamic iron core.Sealing ring is provided between static iron core and guiding mesopore, beneficial to sealing.Epithelium pallet Beneficial to supporting and fixing epithelium.Seal sealing when lining ring improves back-up ring closure spacer ring upper end.Mounting ear is beneficial to installation.
It is apparent to one skilled in the art that the utility model can change into various ways, and such change is not Think to depart from the scope of the utility model.All such technical staff to the field obviously change, and will include Within the scope of present claims.

Claims (7)

1. a kind of novel structure gas proportioning valve, including:The air intake duct that is connected provided with spacer ring, with spacer ring gusset and with spacer ring upper end The valve body of the gas outlet of connection, ratio valve module;It is characterized in that described novel structure gas proportioning valve also includes:Be located at into The shut-off valve assemblies of air flue;Ratio valve module includes:Upper end is provided with the proportional valve spool of the back-up ring relative with spacer ring upper end, with ratio The epithelium that valve element lower end is connected and outward flange is tightly connected with spacer ring lower end, proportional valve spool position adjustments component, provided with bulge loop Needle valve core, pressure regulation stage clip;Proportional valve spool be provided with diameter and bulge loop diameter matches needle valve hole, several be located at proportional valve spool gusset And side air admission hole, the voltage stabilizing venthole that is penetrated respectively with needle valve hole upper end and proportional valve spool upper end connected with needle valve hole gusset; Needle valve core is located in needle valve hole and the lower end of bulge loop is less than the lower end of side air admission hole;Needle valve hole is pushed down respectively in the both ends of pressure regulation stage clip Lower end and the lower end of bulge loop.
2. novel structure gas proportioning valve according to claim 1, it is characterized in that:Described proportional valve spool position adjustments group Part includes:Provided with flange and the magnetic receiver that epithelium is connected with proportional valve spool lower end is pushed down, the proportioning valve magnet being connected with magnetic receiver, Cover proportioning valve magnet and magnetic receiver and cover lid that upper end is connected with valve body, both ends are pushed down under flange lower end and cover lid inner side respectively The supporting spring at end, the ratio valve coil being connected provided with adjusting screw hole and with cover lid lower end, upper end be located in adjusting screw hole and with The proportioning valve iron core of adjusting screw hole threaded connection.
3. novel structure gas proportioning valve according to claim 1, it is characterized in that:Described air intake duct includes:Air inlet The transverse passage-way that in perpendicular passage and the other end connects with spacer ring gusset is stretched into perpendicular passage positioned at lower end, one end;The gusset of perpendicular passage Provided with the side through hole relative with transverse passage-way one end;Shut-off valve assemblies include:Cover side through hole and the cut-off being connected with valve body gusset Valve chest, provided be oriented to mesopore and positioned at cut-off valve chest in stop valve coil, located at be oriented to mesopore in and outer end and cut-off Valve chest connection static iron core, outer end through cut-off valve chest insertion be oriented to mesopore in and with the inner relative dynamic iron of static iron core Core, it is relative with transverse passage-way one end and with the inner valve pad being connected of dynamic iron core, be connected with valve pad outer end and outer gusset is provided with and outer end The centring ring of the positioning ring groove of insertion, the frustum type flange collar inner located at cut-off valve chest, taper stage clip;The material of valve pad is rubber Glue or plastics;The big end of taper stage clip is enclosed on outside frustum type flange collar and pushes down cut-off valve chest the inner;The small end position of taper stage clip In positioning ring groove and push down the inner of positioning ring groove.
4. novel structure gas proportioning valve according to claim 3, it is characterized in that:The inner of described static iron core is provided with cone Table top;The outer end of dynamic iron core is provided with the taper identical taper type counterbore with frustum face;The top surface of taper type counterbore is provided with buffering Noise reduction cushion block.
5. the novel structure gas proportioning valve according to claim 3 or 4, it is characterized in that:In described static iron core and guiding Sealing ring is provided between hole.
6. according to the novel structure gas proportioning valve described in claim 1 or 2 or 3 or 4, it is characterized in that:Described proportional valve spool Provided with the epithelium pallet on the upside of epithelium.
7. according to the novel structure gas proportioning valve described in claim 1 or 2 or 3 or 4, it is characterized in that:The shape of described back-up ring Frustum type of the shape for big end positioned at upside;Back-up ring gusset is provided with the sealing lining ring relative with the upper end of spacer ring endoporus.
CN201720671299.2U 2017-06-09 2017-06-09 Novel structure gas proportioning valve Active CN206958281U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107166048A (en) * 2017-06-09 2017-09-15 杭州强邦精密机械电器有限公司 Novel structure gas proportioning valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107166048A (en) * 2017-06-09 2017-09-15 杭州强邦精密机械电器有限公司 Novel structure gas proportioning valve

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