CN201133470Y

CN201133470Y - Burnt gas valve

Info

Publication number: CN201133470Y
Application number: CNU2007201760110U
Authority: CN
Inventors: 黄依华
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-09-19
Filing date: 2007-09-19
Publication date: 2008-10-15
Anticipated expiration: 2017-09-19

Abstract

The utility model relates to a gas valve which is combined with a vale and a proportional electromagnetic valve set which can be separately arranged on the valve; the gas valve provides a technical means capable of separately arranging the proportional electromagnetic valve set; the electromagnetic valve set is arranged on a gas flowing path with a valve inlet and a valve outlet of the gas valve, and combined with an auxiliary valve, a fixed frame and an electromagnetic device; the valve port of the auxiliary valve is correspondingly provided with a valve plug used to close the gas flowing path; the valve plug is connected by a valve stem going through the auxiliary valve; the other end of the valve stem is connected with an elastic air-tight diaphragm, and provided with a spring used to reject to the valve plug to keep closing the gas flowing path and a permanent magnet arranged in the center of the other side of the elastic air-tight diaphragm; the electromagnetic device comprises an iron core with adjustable relative distance from the permanent magnet and a coil winding on the peripheral of the iron core and helping the iron core to produce different magnetic repulsive force to push the permanent magnet and the valve plug according to the electrification volume.

Description

Gas valve

Technical field

The utility model relates to a kind of proportional electromagnetic valve group, is meant a kind of proportional electromagnetic valve group of separable installing especially.

Background technique

(for example: gas stove or gas heater) gas valve is that the flow path of its valve body is provided with a valve plug group to existing electronic gas tool, can make gas valve present the user mode of opening or closing by described valve plug group.

The existing gas valve structure of this kind is can inhale the calutron at moving valve plug group irony position after an irony position, an energising are set on the valve plug group, and the spring of a conflict valve plug group is set in valve body; When the calutron start, can drive the valve plug group and carry out displacement, and make the aforementioned spring of establishing that supports produce corresponding deformation with the storage elasticity potential energy; When calutron stopped start, described spring promptly disengages the elasticity potential energy made the playback of valve plug group.

The start of aforementioned electromagnetic device, demand in the visual use and corresponding with one of them of the breakdown action of gas valve or closing motion, one of them is corresponding otherwise the opportunity that spring pushes away the playback of multiple valve plug group is then with the closing motion of gas valve or breakdown action, to present mode of execution normally closed or that often open.

Yet, the calutron of existing gas valve structure and relevant valve plug group are built in the gas valve in being, in the manufacturing assembling of being correlated with, when detecting maintenance action, calutron and valve plug group also are not easy split group, and also the situation that combustion gas leaks may take place when assembly failure, in view of this, the model utility designer has designed a kind ofly to be convenient to " the proportional electromagnetic valve group of separable installing " that modular produces to solve the existing problem of aforementioned existing gas valve.

Summary of the invention

Main purpose of the present utility model, be to provide a kind of gas valve of separable installing proportional electromagnetic valve group to make the proportional electromagnetic valve group be able to modular form be installed on the gas valve, so that keying and the aperture control that combustion gas is circulated is carried out in the valve import of gas valve and the fuel gas flow path of valve outlet port.

For achieving the above object, the technical solution adopted in the utility model comprises:

A kind of gas valve is combined by a valve body and a separable proportional electromagnetic valve group that is installed in valve body, it is characterized in that:

Valve body has a valve import for the combustion gas introducing, one is communicated in the joint of valve import, one is communicated in the valve import for the adjacent valve serial connection mouth of combustion gas bypass to adjacent gas valve, the proportional electromagnetic valve group is arranged on the aforementioned joint, and by an auxiliary valve body, one fixing frame and a calutron combine, described auxiliary valve body is provided with one for the external valve outlet port of deriving of combustion gas, and the corresponding valve plug that fuel gas flow path between a draught excluder import and the valve outlet port is set on the valve port of described auxiliary valve body, described valve plug is linked by a valve rod that passes auxiliary valve body, the valve rod the other end is then affixed with the airtight diaphragm of an elasticity, and is provided with the spring that a pushing tow valve plug keeps sealing fuel gas flow path in addition, an and permanent magnet that is installed in the airtight diaphragm another side of elasticity middle position; Calutron comprises a can regulate and is wrapped in iron core peripheral foundation energising size and allows iron core produce the coil that different magnetic repulsions are pushed permanent magnet and valve plug open with the iron core and of permanent magnet relative distance.

For achieving the above object, the technical solution adopted in the utility model also comprises:

Valve body has a valve import, one is communicated in the valve outlet port of valve import, one is located at the joint on the fuel gas flow path between valve import and the valve outlet port, the proportional electromagnetic valve group is arranged on the aforementioned joint, and by an auxiliary valve body, one fixing frame and a calutron combine, the corresponding valve plug that a sealing fuel gas flow path is set on the valve port of described auxiliary valve body, described valve plug is linked by a valve rod that passes auxiliary valve body, the valve rod the other end is then affixed with the airtight diaphragm of an elasticity, and is provided with the spring that a pushing tow valve plug keeps sealing fuel gas flow path in addition, an and permanent magnet that is installed in the airtight diaphragm another side of elasticity middle position; Calutron comprises a can regulate and is wrapped in iron core peripheral foundation energising size and allows iron core produce the coil that different magnetic repulsions are pushed permanent magnet and valve plug open with the iron core and of permanent magnet relative distance.

When the coil no electric circuit, rely on the elastic force of spring and the magnetic attraction of permanent magnet attraction iron core, can guarantee that valve plug can normality push against in the position of blocking fuel gas flow.

When coil electricity, the magnetic repulsion that produces between calutron and the permanent magnet can push away valve plug and the confession fuel gas flow, and can change the size of magnetic repulsion by suitable power supply control, so that advance the effect that the utility model " the proportional electromagnetic valve group of separable installing " has aperture control, be beneficial to the gas supply amount is regulated accurately.

The airtight diaphragm of aforementioned elasticity, its center portion is connected with valve rod, outer rim is folded in auxiliary valve body and fixing frame between, calutron is isolated in outside the fuel gas flow path, can prevent that combustion gas from leaking outside from the calutron end, permanent magnet the position is set between airtight diaphragm of elasticity and iron core, its adjacent to diaphragm near the position of calutron iron core; When the calutron start, the airtight diaphragm of described elasticity center portion with the displacement of valve rod move, outer rim still be fixed between auxiliary valve body and the fixing frame motionless, to present best airtight effect.

In addition, the utility model is can be provided with one for the adjacent valve serial connection mouth of combustion gas bypass to adjacent gas valve on valve body, and valve outlet port changed be located on the auxiliary valve body, make the combustion gas can be after the valve import on the valve body imports, the proportional electromagnetic valve group of flowing through, promptly directly the valve outlet port on auxiliary valve body is derived, and presents a fuel gas flow path, and the passing ratio electromagnetic valve group is controlled the keying and the aperture in fuel gas flow path; Aforementioned adjacent valve is connected in series the purpose that is provided with of mouth, be to make a plurality of gas valves can obtain common gas supply source (making each valve import be the series connection form), and can have made the effect (making each valve outlet port parallel form) of the output terminal tool air feed out of the ordinary of each gas valve in the mode of direct serial connection.

Be convenient to assembling and contraposition arrangement between the gas valve with adjacent valve serial connection mouth for making, be in the valve import, to be provided with one to supply the alignment grooves of the adjacent valve serial connection mouthful contraposition of adjacent valve body, and on adjacent valve serial connection mouth, a contraposition projection that cooperates with the set alignment grooves of valve import of adjacent valve body is set, reach the effect of quick assembling with cooperating of projection of position to rely on alignment grooves.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be:

The utility model is except magnetic attraction that can be by the permanent magnet attraction iron core, increasing the valve plug normality pushes against outside the effect of blocking-up fuel gas flow, and the aperture that can also come further control valve plug by suitable power supply control, be beneficial to the gas supply amount is regulated.

The most important thing is, auxiliary valve body of the present utility model, fixing frame and calutron are to adopt design of modularization, therefore, can cooperate the simple and easy dismounting of valve body of various different sizes, not only Applicable scope is wider, and can allow a plurality of different valve bodies be connected in series, help manufacturing on the industry, assembling, detection, maintenance ... wait the carrying out of operation.

Description of drawings

Fig. 1: the utility model first embodiment's three-dimensional exploded view;

Fig. 2: the utility model first embodiment's sectional exploded view;

Fig. 3: the utility model first embodiment's three-dimensional combination figure

Fig. 4: the utility model first embodiment's valve closing state sectional view;

Fig. 5: the utility model first embodiment's valve opening state sectional view;

Fig. 6: the utility model second embodiment's sectional exploded view;

Fig. 7: the utility model second embodiment analyses and observe constitutional diagram;

Fig. 8: second embodiment's serial connection schematic representation;

The partial top view of Fig. 9: Fig. 8.

Description of reference numerals: 10-valve body; 20-proportional electromagnetic valve group; The 21-auxiliary valve body; The 211-valve port; The 212-valve plug; The 213-valve rod; The airtight diaphragm of 214-elasticity; The 215-spring; The 216-permanent magnet; The 22-fixing frame; The 23-calutron; The 231-iron core; The 232-coil; The import of 30-valve; The 31-alignment grooves; The 40-valve outlet port; The 50-joint; The adjacent valve serial connection of 60-mouth; 61-contraposition projection.

Embodiment

Following foundation technological means of the present utility model lists and fits the mode of implementing at the utility model, and cooperates graphic explanation as back:

See also Fig. 1 and shown in Figure 2, be the utility model first embodiment's three-dimensional exploded view and sectional exploded view, gas valve is combined by a valve body 10 and a separable proportional electromagnetic valve group 20 that is installed in valve body 10, make proportional electromagnetic valve group 20 be installed on the gas valve with modular form, with valve import 30 and the fuel gas flow path between the valve outlet port 40 to gas valve open and close, aperture control.

Valve import 30 and valve outlet port 40 that this embodiment disclosed are provided in a side of on the valve body 10, pass in and out at gas valve for combustion gas, and valve body 10 is provided with a joint 50 for 20 installings of proportional electromagnetic valve group on the fuel gas flow path between valve import 30 and the valve outlet port 40, stereo appearance figure after its combination has as shown in Figure 3, combustion gas can be located at after valve import 30 on the valve body 10 imports certainly, the proportional electromagnetic valve group 20 of flowing through derives from the valve outlet port 40 that is located on the valve body 10 again, carries out the keying and the aperture control of combustion gas circulation with 20 pairs of fuel gas flow paths of passing ratio electromagnetic valve group.

Shown in Figure 4 is that the utility model first is executed routine valve plug closed condition sectional view, and aforementioned ratio electromagnetic valve group 20 is combined by an auxiliary valve body 21, a fixing frame 22 and a calutron 23.

The corresponding valve plug 212 that a sealing fuel gas flow path is set on the valve port 211 of described auxiliary valve body 21, described valve plug 212 is linked by a valve rod 213 that passes auxiliary valve body 21, valve rod 213 the other ends are then affixed with the airtight diaphragm of an elasticity 214, and are provided with the permanent magnet 216 that spring 215 and that a pushing tow valve plug 212 keeps sealing fuel gas flow paths is installed in the airtight diaphragm 214 another side middle positions of elasticity in addition.

It is peripheral according to the energising size and allow iron cores 231 produce the coils 232 that different magnetic repulsions are pushed permanent magnet 216 and valve plug 212 open that calutron 23 and permanent magnet 216 iron core 231 and corresponding and that comprise a can regulate and permanent magnet 216 relative distances is wrapped in iron core 231.

See also shown in Figure 5, it is to show the utility model first embodiment's valve plug opening state sectional view, when coil 232 energisings, the magnetic repulsion that produces between calutron 23 and the permanent magnet 216 can push away valve plug 212 and the confession fuel gas flow, and the big I of magnetic repulsion changes with coil 232 "on" positions, with the displacement amount that pushes away of change valve plug 212, and then change between valve port 211 and the valve plug 212 and can be beneficial to the gas supply amount is regulated for the aperture of fuel gas flow.

The airtight diaphragm of elasticity 214 center portions are connected with valve rod 213, outer rim is folded in auxiliary valve body 21 and fixing frame 22 between, calutron 23 is isolated in outside the fuel gas flow path, can prevent that combustion gas from leaking outside from calutron 23 ends, permanent magnet 216 the position is set between airtight diaphragm 214 of elasticity and iron core 231, its adjacent to the airtight diaphragm 214 of elasticity near the position of calutron 23 iron cores 231; When calutron 23 starts, the airtight diaphragm of described elasticity 214 center portions with the displacement of valve rod 213 move, outer rim still is fixed on auxiliary valve body 21 and fixing frame 22 between motionless, to present best airtight effect.

The magnetic repulsion that is produced between above-mentioned calutron 23 and the permanent magnet 216, be that size of current with coil 232 energising has the proportionate relationship that can expect, measure, therefore by aforementioned control to the size of current of switching on, can change the size of magnetic repulsion, and then change between valve port 211 and the valve plug 212 and can be beneficial to the gas supply amount is regulated accurately for the aperture of fuel gas flow.

When needs stop fuel gas supply, only need interrupt electric power, because the magnetic repulsion that calutron 23 is produced has not existed, the magnetic attraction that spring 215 by compression can disengage the elasticity potential energy, cooperate 216 pairs of iron cores 231 of permanent magnet to be produced, valve plug 212 can be pushed away and return original position again, and make valve plug 212 can cover sealing valve port 211 once again, recover the state of blocking-up fuel gas flow.

In sum, the utility model provides a kind of proportional electromagnetic valve group of separable installing, it not only has and opens and closes outside the function whether combustion gas circulate, also tool further has the specific function of regulating the gas supply ratio, especially have and be easy to the enterprising characteristic of tearing group open of valve body, help on the industry to make, assembling, detect, maintenance ... wait the carrying out of operation, even visual different user demand and the calutron of changing different electrical specification is implemented.

Fig. 6 and shown in Figure 7, be the utility model second embodiment sectional exploded view with analyse and observe constitutional diagram, the utility model is can be provided with one for the adjacent valve serial connection mouth 60 of combustion gas bypass to adjacent gas valve on valve body 10, and valve outlet port 40 changed be located on the auxiliary valve body 21, combustion gas can be located at after valve import 30 on the valve body 10 imports certainly, the proportional electromagnetic valve group 20 of flowing through, promptly directly derive from the valve outlet port 40 that is located on the auxiliary valve body 21, and present a fuel gas flow path, and saturating 20 pairs of described gas flow paths of proportional electromagnetic valve group open and close and the control of aperture.

See also Fig. 8 and shown in Figure 9, wherein, Fig. 8 is second embodiment's a serial connection schematic representation, Fig. 9 is the partial top view of Fig. 8, aforementioned adjacent valve is connected in series the purpose that is provided with of mouth 60, be to make a plurality of gas valves can obtain common gas supply source (making each valve import 30 be the series connection form) in the mode of direct serial connection, and can make the effect (making each valve outlet port 40 be parallel form) of the output terminal tool air feed out of the ordinary of each gas valve, this embodiment can be used in many mouthfuls of formula gas stoves, fireplace, and baking device ... wait and to utilize on the device of a plurality of gas valves as the control gas flow, be the utility model scope applicatory.

And be to make to be convenient to assembling and contraposition arrangement between the gas valve with adjacent valve serial connection mouth 60, be to be provided with a contraposition projection 61 that cooperates with the valve import 30 set alignment grooves 31 of adjacent valve body 10 being provided with in the valve import 30 on the alignment grooves 31 for adjacent valve serial connection mouthful 60 contrapositions of adjacent valve body 10, adjacent valve serial connection mouthfuls 60, to reach the effect of quick assembling with cooperating of contraposition projection 61 by means of alignment grooves 31.

More than explanation is just illustrative for the utility model, and it is nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited, can make many modifications, variation or equivalence, but but all will fall within the claim restricted portion of the present utility model.

Claims

1. a gas valve is combined by a valve body and a separable proportional electromagnetic valve group that is installed in valve body, it is characterized in that:

2. gas valve according to claim 1, wherein, the valve import is provided with one and supplies the alignment grooves of the adjacent valve serial connection mouthful contraposition of adjacent valve body, and adjacent valve serial connection mouth is provided with a contraposition projection that cooperates with the set alignment grooves of valve import of adjacent valve body.

3. a gas valve is combined by a valve body and a separable proportional electromagnetic valve group that is installed in valve body, it is characterized in that: