CN2258941Y

CN2258941Y - Gas adjusting valve seat

Info

Publication number: CN2258941Y
Application number: CN 96212236
Authority: CN
Inventors: 许继承
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-06-03
Filing date: 1996-06-03
Publication date: 1997-08-06
Anticipated expiration: 2006-06-03

Abstract

The utility model relates to a gas adjusting valve seat, and aims to design a valve body with better para-position and high stability and easy assembly of the valve seat. The utility model comprises a casing in which an electromagnetic valve magnetic core is arranged; a para-position shaft extends out from the center of the magnetic core to make the electromagnetic coil to be combined to the para-position; a cone plunger is provided with a venting flow and is fixedly arranged above the electromagnetic coil, and abuts with a center cap-shaped bulge of a diaphragm seat of an upper cover part of the valve body; the diaphragm piece in the cap-shaped bulge is provided with an air chamber through hole; an n-shaped ventilation sleeve is arranged in the cap-shaped bulge. When the cone plunger is controlled by the electromagnetic valve to shift backwards and forwards, the time of abutting the n-shaped ventilation sleeve cane be changed to realize the quick starting-up function of the main fire and the auxiliary ignition, however, a ring is padded on a regulating ring of the circumference of the electromagnetic coil, and the height of the regulating ring is adjusted by a bolt led in from the outside of the valve seat so that the regulating ring has the convenience of adjusting the abutting and blocking clearance of the cone plunger out of the valve.

Description

Gas adjusting valve seat

The utility model relates to a kind of Gas adjusting valve seat, refers to a kind of Gas adjusting valve seat of water heater especially.Its tool is assembling and stability height easily, adjust maintenance work and can exempt to tear open the valve seat cover plate and directly carried out outward by valve, tool is not subjected to the influence of gas incoming pressure size, and it is applicable to various gas utensils, and, has multiple practical usefulness applicable to the gas source of different air pressure such as casinghead gas or barreled gas.

The invention of water heater, belong to one of important invention that changes human lives's custom in recent years, this is to light a fire easily because of it, firing effect is good, and expense is cheap, so widely general people are happy to adopt, and the producer uses upward more convenient reaching to consider from the Security aspect for reaching, be improved to water heater structure, change the mode of tradition igniting, make that the effect of water heater gas ignition is more accurate, convenient with the water pond IGNITION CONTROL.

The gas heater kind that produces full-automatic igniting on the market is a lot of, and reach the few of testing standard by check, though some can pass through test stone, but being applied to a large amount of manufacturings has any problem, or the influence of restriction to some extent is installed because of the gas supply of various places pressurization difference or place, so need meeting, its switch can adjust at any time to be suitable for practicality.

Its female fire of existing gas heater is if put out or unignited, and its gas device can't be closed the fiery gas of mother automatically, causes gas to continue to leak and causes tragedy to take place; So far in some national standard, require the gas heater of the designed production of manufacturer, need have the function of " female fire is not lighted and promptly interrupted female fiery gas in special time ", therefore, some defective still waits improvement at present commercially available gas heater gas regulating device with using still in design.

As shown in Figure 1, Gas adjusting valve seat structure for general commercially available water heater, the action that utilizes the female fiery gas of two electromagnetic valve to lead into and derive, also can light and when the below magnet valve is closed simultaneously in female fire, utilize pressure difference and push the stove fire valve open and finish the action of sending stove fire gas, though the project organization (not shown) with single solenoid valve is arranged in addition, basically this existing gas regulating device only is the device of a Push And Release at most, it can't possess, and fine setting effect to some extent is the greatest drawback of prior art with the demand of the different supply of work gas amount.

Because the existing water heater Gas adjusting valve seat of tradition still has above-mentioned shortcoming on using, this creator improves at these shortcoming researchs, and generation of the present utility model is arranged then.

Main purpose of the present utility model, it is the Gas adjusting valve seat that is to provide a kind of improvement design, have the good characteristics of easy combine and assemble and maintenance, needn't worry to produce the puzzlement that gas flow control is difficult for when the supply gas pressure is not enough, according to made this improved water heater Gas adjusting valve seat of establishing of the utility model, the adaptation arrangement of its central string group member integral body, draught head and the affecting of arrestment mechanism of gas flow between can each air chamber controlled, and be not subjected to the influence of gas incoming pressure size, so can reduce waste and raising utilization efficiency that gas uses, this is a main purpose of the present utility model.

For achieving the above object, a kind of water heater Gas valve seat that the utility model is related consists predominantly of:

One housing, in seat, be provided with solenoid valve and magnetic stamen, one contraposition axle extends in magnetic stamen central authorities, make electromagnetic coil the time be easy to by this contraposition axle and the pivot fixed position in assembling, one regulating ring is that ring fills up the periphery in this electromagnetic coil, on regulating ring, be formed with the card rank and have a Returnning spring with the contact electromagnetic coil, and a bolt is to be screwed into outward in this regulating ring by valve seat, can be spiral and adjusts the tensile strength that its Returnning spring has with card;

One tapered plug, the tool inner flow passage can supply the methane gas conducting, one conduit is connected between this inner flow passage and a gas delivery outlet, make this tapered plug be fixedly arranged on the upper end of electromagnetic coil, and be connected to a Jiong shape ventilation sleeve in the central shape for hat projection of diaphragm sheet, establish the diaphragm sheet and establish tool air chamber through hole in its shape for hat projection, a Jiong shape ventilation sleeve is located in this shape for hat projection, has spring to lead tightly in the back of the body end of ventilation sleeve.When tapered plug is shifted up and down by electromagnetic valve, will change the contact opportunity of its tapered plug and Jiong shape ventilation sleeve, mat makes the unlatching that intercepts main air inlet, realizes the quick startup function of female fire and auxiliary firing; And the bolt that its ring pad is introduced outside the regulating ring one idol place of electromagnetic coil periphery is provided with by seat tunes to make Height Adjustment, tool can be adjusted its regulating ring and whether raise, and is further used as the reset spring and shores the height of inductor coil and the setting of contact strength.

Below in conjunction with specific embodiment and accompanying drawing the utility model is described in further details.

Fig. 1 is the cut-away view of traditional existing water heater Gas adjusting valve seat;

Fig. 2 is the sectional view of the utility model embodiment closing motion;

Fig. 3 is the sectional view of the utility model embodiment breakdown action;

Fig. 4 is the internal view of its valve seat structure of the utility model embodiment;

1 housing, 14 gas inlet openings, 141 valve ports, 15 gas delivery outlets ()

2 arrestment mechanisms, 21 Returnning spring 22A inductor coil 22B magnetic stamens

23 contraposition axles, 24 regulating rings, 241 guide grooves, 242 card rank, 243 bolts

3 tapered plugs, 31 inner flow passages, 32 terraces, 33 air pipes, 4 diaphragm sheets

41 hats projection, 42 through holes, 43 springs, 411 Jiong shape ventilation sleeves

412 louvers, 5 pistons, 53 through hole A, the first air chamber B, second air chamber

Consult Fig. 2, shown in Figure 4, the utility model is constituted by a housing 1, an arrestment mechanism 2, a tapered plug 3, a diaphragm sheet 4, a Jiong shape ventilation sleeve 411 and a piston 5, wherein:

Housing 1, because of the set cause of member is separated into the first air chamber A, reaches the second air chamber B, its piston 5 is to be linked to its diaphragm sheet 4 and the conversion of control gas inlet opening 14 and gas delivery outlet () 15, gas delivery outlet (two) 16;

Arrestment mechanism 2 has a Returnning spring 21, one inductor coil 22A, an one magnetic stamen 22B and a contraposition axle 23 constitute, one regulating ring, 24 rings fill up in its inductor coil 22A periphery (with reference to shown in Figure 4), this ring one idol is provided with the formed guide groove 241 of two fork plates, establish card rank 242 in the inner edge of this regulating ring 24, establish to shore its inductor coil 22A for a Returnning spring 21 cards, one bolt 243 is by housing 1 outer being screwed in its regulating ring 24, therefore when being present external its bolt 243 of spiral, can be used for adjusting its regulating ring 24 and whether raise, be further used as reset spring 21 and shore the height of inductor coil 22A and the setting of contact strength.

One tapered plug 3 can be formed with terrace 32 in the tapering front end for the inner flow passage 31 of gas circulation for having, and its inner flow passage 31 outlet ports are connected an air pipe 33 and can be communicated with gas delivery outlet (two) 16; Conflicting in tapered plug 3, what link is Jiong shape ventilation sleeve 411 in diaphragm sheet 4 its hat projectioies 41, and between the wall of hat projection 41 and tapered plug 3, then remain with a louver 412, and diaphragm sheet 4 boards of 41 inner covers of hat projection are installed with through hole 42, one 411 of Jiong shape ventilation sleeves are placed in this hat projection 41 inside, and it is carried on the back the spring 43 that edge is fixedly arranged on diaphragm sheet 41 and leads tightly.

Be in the normal state down, the inductor coil 22A of solenoid valve arrestment mechanism 2 does not switch on as yet and is when closing, the tilted conical surface of its tapered plug 3 is the root edge that is resisted against its Jiong shape ventilation sleeve 411, this moment, its spring 43 was replaced by the Returnning spring 21 high strength that supports, move back in its rear end so contract, shape reveals its first air chamber A and the second air chamber B is communicating state, gas delivery outlet (two) 16 be connected stream 31 in air pipes 33, the tapered plug 3 and backstop in its Jiong shape ventilation sleeve 411, so the gas of its gas inlet opening 14 can not be exported by gas delivery outlet (two) 16 places after inserting air feed with its through hole 53; The people's that supplies gas enters behind the second air chamber B by flow through Jiong shape ventilation sleeve 411 and louver 412 back streams of through hole 42 and passes through in the first air chamber A, forms two air-pressure chamber A, B and communicates to all being full of and the gas of gas inlet opening 14 with equal pressure, is an equal pressure condition.

In addition, consult shown in Figure 3, when the utility model water heater gas is adjusted valve when arrestment mechanism 2 energisings are unlatching, when its inductor coil 22A moves downwards with the attraction of magnetic stamen 22B, tapered plug 3 is broken away from the conflict of itself and Jiong shape ventilation sleeve 411 thereupon affecting, this moment, its Jiong shape ventilation sleeve 411 promptly was subjected to the jack-up of spring 43 to touch the wallboard of its hat projection 41, the gas of the first air chamber A can be sentenced by louver 412 and be directed in its inner flow passage 31, and then flow out in gas delivery outlet (two) 16, the gas of the first air chamber A is because of releasing in conduit 33 at this moment, so the pressure of the first air chamber A is gradually less than the air pressure of the second air chamber B, so will promote its diaphragm sheet 4 releases towards arrestment mechanism 2 ends, the piston 5 that is linked on the diaphragm sheet 4 is affected, then make piston 5 open its valve port 141, can make gas flow out to gas delivery outlet () 15, when gas pressure is not enough through valve port 141, can make arrestment mechanism 2 produce the bigger strength that affects, piston 5 is opened.

Therefore, improve the action of its arrestment mechanism 2 by this Gas adjusting valve seat, to affect the tapered plug 3 in the valve body, make the time of contact that changes tapered plug 3 and Jiong shape ventilation sleeve 411, can make spring 43 push Jiong shape ventilation sleeve 411 so control the first air chamber A and all pressures of the second air chamber B whether, controlled the gas water conservancy diversion output of gas delivery outlet () 15 and gas delivery outlet (two) 16.

In sum, this kind of the utility model water heater gas regulating device has really and is not subjected to flow into the function that the gas pressure size influences, and can save the energy, really has the value on the industry.

Claims

A kind of water heater Gas adjusting valve seat is characterized in that comprising:

One housing, in shell block, be provided with solenoid valve magnetic stamen, one contraposition axle extends in magnetic stamen central authorities, make electromagnetic coil the time be easy to by this contraposition axle and the pivot fixed position in assembling, one regulating ring is that ring fills up the periphery in this electromagnetic coil, is formed with the card rank and has a Returnning spring with card on regulating ring, with the contact electromagnetic coil, and a bolt is to be screwed into outward in this regulating ring by valve seat, can be spiral and adjusts the tensile strength that its Returnning spring has;

One tapered plug, its tool inner flow passage can supply the methane gas conducting, and a conduit is connected between this inner flow passage and a gas delivery outlet, and this tapered plug is fixedly arranged on the upper end of electromagnetic coil, and is connected to the Jiong shape ventilation sleeve in the diaphragm sheet central authorities shape for hat projection; Establish the diaphragm sheet and be provided with the air chamber through hole in its shape for hat projection, the ventilation of Jiong shape is placed in to carry on the back to hold to lead tightly spring;

When tapered plug is subjected to solenoid valve start displacement, will change shoring the time of its tapered plug and Jiong shape ventilation sleeve, mat makes the unlatching that intercepts main air inlet, realizes the quick startup function of female fire and auxiliary firing.