CN2240694Y

CN2240694Y - Water pressure regulator for water igniting switch of water heater

Info

Publication number: CN2240694Y
Application number: CN 95220148
Authority: CN
Inventors: 陈文周
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-08-25
Filing date: 1995-08-25
Publication date: 1996-11-20
Anticipated expiration: 2005-08-25

Abstract

The utility model provides a water pressure regulator for water igniting switch of water heaters, which is provided with a differential dish which is provided with a telescopic ejector rod inside. A valve body, which is arranged between the pressure differential dish and an admission line, is composed of an outer shell cover and an inner shell body. A micro switch is arranged beside the hole of the outer shell cover. The micro switch interlocks with a deflector rod, the other end of which is connected and gored the upper section of the ejector rod in the valve body. The upper part of the inner shell body is convexly provided with a valve which is plugged and sheathed with the admission line. The valve is connected with a push rod inside the inner shell body. The lower stretched part of the push rod is blocked and deflected by the deflector board. The middle part of the deflector board is pivoted on the convex base at the bottom of the inner shell body. The other end of the poking panel is blocked and poked with the lower end of the ejector rod which is movably inserted in the inner shell body. The upper end of the ejector rod is sheathed with an upper and lower baffle ring and a spring. The regulating bolt is screwed in the screw hole on the upper part of the inner shell body and resisted to the upper baffle ring.

Description

The water pressure adjusting device of water heater water lighting switch

The utility model relates to a kind of water heater, particularly a kind of pressure regulation device of water heater water spot switch.

The operation principle of traditional water lighting formula water heater be equiped with in utilizing film pressure differential disc action and touch microswitch, just when the hot water tap opens, the pressure that the current of introducing produce is heaved film to a side, then driving an overhanging push rod when film is heaved does flexible and drives a valve block to move, valve block then touches the one stroke switch in motion process, when travel switch is contacted, conducting one magnetic valve and be engaged in the igniting of coal gas with magnetic valve then.Though this structure has certain practicality, exist following problem.

The the 1st: because skyscraper often adopts the staged mode to supply water, be that certain number of plies is used a water pump, and another fixed layer uses another set of water pump to supply water, the way of supplying water of taking high-order water pot is also arranged, then utilize the mode of water tower supercharging to supply water in many small and medium-sized cities, the latter exists insufficient pressure, and the above two then can occur producing different hydraulic pressure because of the difference of the inhabitation number of plies, when hydraulic pressure is excessive, not only can cause the great vibrations sound when opening, and easily cause the damage of member.As hydraulic pressure when not enough, easily cause the instability of lighting a fire, sometimes, can cause leaking and the generation of fire of combustion gas.So there is hidden danger.That is to say that the action of ignition switch can not be adjusted by the size of actual hydraulic pressure.

The 2nd: because the working procedure of present ignition switch is to turn on the gas-fire earlier, light a fire then, a Delay Process is promptly arranged, not only easily become flat, not efficient and convenient in the operation yet, when being used, some the elderlys or child comparatively worry.

The purpose of this utility model just is to overcome the above-mentioned shortcoming and defect of prior art, and a kind of size of visual actual pressure of supply water is provided and sets the opening pressure of igniting, to reach the saving supercharging equipment, improve the water pressure adjusting device that ignition conditions also can be finished the water heater water lighting switch of gas circuit switching and igniting synchronously.

The purpose of this utility model is to realize by following technical scheme: it has a pressure differential disc, the inside and outside spy of pressure differential disc has telescopic push rod, one outer valve jacket and inner housing constitute a valve body and be installed in pressure differential disc and air inlet pipeline between, the through hole of valve jacket side is equipped with microswitch outside, microswitch and driving lever be interlock mutually, push rod epimere in the driving lever other end and the valve body is interlock mutually, the bottom of the push rod epimere that the outer push rod of visiting of pressure differential disc and valve body are interior is touched the top mutually, inner housing top epirelief has the valve with the air inlet pipeline sleeve, valve links to each other with the push rod of inner housing inside, the test section of push rod is subjected to dial integrated circuit board and dials, dialling the plate middle part then is hubbed on the protruding seat in inner housing bottom, dialling the plate other end and the movable lower end that inserts the push rod epimere in inner housing blocks group mutually, the push rod epimere is arranged with lower baffle ring and spring, regulating stubborn being placed in the screw of inner housing top and with upper baffle ring of bolt leans, rely on the bolt amount of being screwed into to come regulating spring pressure, this pressure is acted on the outer spy push rod of pressure differential disc, to reach igniter pressure and hydraulic pressure adapts.

Therefore: remarkable result of the present utility model is:

The the 1st: owing to be adjustable springs pressure by regulating screwing of nut, therefore, also with regard to the corresponding size that acts on the pressure on film top in the pressure differential disc of having regulated, make this actuating pressure regulate coupling by the actual hydraulic pressure of energy jack-up film, all can be accurately no matter to reach under which kind of hydraulic pressure film, move and finish the ignition operation behind the touch switch apace.It is excessive and cause the pipe-line system vibration and pressure is less than normal and problem that microswitch can not normally be opened to have solved pressure, can improve gas heater under the various different water pressure situations adaptability and the stability and the reliability of work.

The 2nd: because its igniting can normally carry out under different hydraulic pressure situations, thereby, can improve security and operational convenience in the use of water heater.

The 3rd: because its igniting can carry out under different hydraulic pressure states, thereby, even in hydraulic pressure water system on the low side, also need not to set up the use needs that supercharging equipment satisfies water heater.

The 4th: because in microswitch action igniting, its overhanging driving lever can make the valve that is positioned at the inlet channel place also can open synchronously, historical facts or anecdotes has showed carrying out synchronously of igniting and ventilation, can improve security.

Concrete structure of the present utility model is realized by the following examples and accompanying drawing thereof:

Fig. 1 is the installation site schematic diagram of the utility model on water heater.

Fig. 2 is a section of structure of the present utility model

Fig. 3 is the STRUCTURE DECOMPOSITION figure of Fig. 2

Fig. 4 is a fundamental diagram of the present utility model

Below in conjunction with accompanying drawing 1-4 concrete structure of the present utility model is described in detail.

The utility model is by a loam cake 1a, the film of lower cover 2a and middle clamping constitutes pressure differential disc 30a, circumferentially be connected with the flow tube 21a that connects with pressure differential disc 30a inner chamber at pressure differential disc 30a, offering a hole 21c on the valve shell cover 2c of suit mutually with pressure differential disc 30a, be fixed with little switch 12a that touches on the periphery wall of hole, little driving lever 321c and outside ignition mechanism that touches in switch 12a and the hole 21c acts on mutually, driving lever 321c drives the top by the motive power of the push rod 62a that stretches out in the pressure differential disc 30a, it is characterized in that: valve body is to be made of the outer valve jacket 2c of side opening on one and the inner housing 1c with shell cover spiral-lock, inner housing 1c goes up the outer valve 40c that visits and the valve opening 102a in the combustion gas inlet channel 10a leans, valve 40c links to each other with push rod 4c in the inner housing 1c, push rod 4c link to each other with axostylus axostyle 42c and by axostylus axostyle outward the plate 5c that dials that inserts of the card on the section of spy move with the hand mobile, the middle part of dialling plate 5c is articulated between the projection 13c of inner housing 1c diapire 16c evagination, the other end of dialling plate 5c blocks mutually with the movable epimere 3c that inserts the push rod 62a in another protruding seat perforation 111c of inner housing 1c diapire 15c to be dialled, be positioned at push rod 3c and be equipped with lower baffle ring 33c on the inner housing 1c segment length, spring 35c and upper baffle ring 34c, one regulates in the screw 112c that bolt 15c twists the top board that is placed on inner housing 1c and inconsistent with upper baffle ring 34c, and the lower end of push rod epimere 3c and pressure differential disc 30a go up on the outer push rod 62a that visits inconsistent.Referring to Fig. 1 to Fig. 4

Architectural feature of the present utility model also is:

The last uncovered shell body 2c bottom of rectangular hollow have one with pressure differential disc 30a epirelief partly overlap solid trepanning 22c, go up in the pressure differential disc 30a visit on the push rod 62a that visits in trepanning 22c and relative with the bottom projection 31c of the push rod epimere 3c on its positive top in and touch to, bottom projection 31c goes up to insert to be connected with and enters in the inner housing 1c after protruding seat hole 111c protruding under the inner housing 1c diapire is passed in the driving lever 321c push rod epimere 3c activity that probes into from hole 21c, and with last lower baffle ring 34c, 33c and tower shape spring 35c install, the section 32c activity of go up visiting of push rod epimere 3c inserts in the through hole 151c of the adjusting nut 15c of screwing with inner housing 1c roof screw 112c, the inner housing 1c upper wall of hollow rectangular shape is provided with the outer boss flange 121c that is connected with shell body upper edge lug 23c, on inner housing 1c, be provided with two correspondences and sidewall that diapire and roof are linked together, constitute an inner chamber 15c who connects by two side and roof and diapire, formation one is installed in space 17c behind outer valve jacket 2c and the inner housing 1c suit.Referring to Fig. 1 to Fig. 4

The protruding protruding cover for seat 12c that has a confession axostylus axostyle 42c to install of subordinate under the diapire 16c of inner housing 1c, protruding seat 11c who installs for push rod epimere 3c and two separately and corresponding projection 13C are fixed on two corresponding projection 13c bottoms with the two ends of dialling the movable pivot 14c that inserts in plate 5c middle part by screw 131c.Referring to Fig. 3 and Fig. 4

Epirelief has outer lug boss 122c on the roof of inner housing 1c, boss 122c epimere circumferentially is with the sealing ring A that contacts and seal with the opposite side pore of inlet channel 10a, in the pit 1221c of the top of boss 122c, be set with spring 401c, the valve 40c that links to each other with the upper shaft section 43c of push rod 4c is positioned at the top of the upper end of spring 401c, and the valve opening 102a of the upper surface of valve 40c and inlet channel 10a leans and seals or disengaging.Referring to Fig. 1 and Fig. 2

Push rod 4c is made of the shaft section 42c of column body segment 41c that is positioned at inner housing 1c inner chamber 15c and bottom grafting and the shaft section 43c that top connects, its shaft section 42c end has fixture block 421c, the sliding sleeve 121c slip suit of suit in shaft section 42c and the protruding cover for seat 12c, shaft section 43 activity from the open-work of inner housing 1c roof and boss 122c passes.Referring to Fig. 1, Fig. 2

On the minor diameter changeover portion 431c of the vestibule 1222c of shaft section 43c and boss 122c plug-in mounting, be with sealing ring B, be provided with the location pit 123c that holds with the axial protuberance 411c of column body segment 41c movable sleeve in inner housing 1c top inside bottom wall.Referring to Fig. 1 and Fig. 2

Dial plate 5c and be middle high outer low saddle, the section of spy is movably fastened mutually outside its two ends offer bottom with shaft section 42c and push rod epimere 3c dials slotting gap 51c and 52c, the outer spy bottom projection 31c of push rod epimere 3c be one with dial plate 5c dial the slotting gap 52c projection shape of block mutually, lower baffle ring 35c is sleeved on the place, axle rank of visiting section 32c on push rod epimere 3c and its minor diameter, and the interior spy end of driving lever 321c connects with the screw 311c of bottom projection 31c is stubborn mutually.Referring to Fig. 1 to Fig. 2

Two U-shapeds of dialling plate 5c of saddle dial insert gap 51c and 52c be one high and one low shape setting and constitute with its middle part Pivot axle 14c be the axle center oppositely stir push rod epimere 3c and push rod 4c each other along axially movable seesaw shape separately.Referring to Fig. 1 and Fig. 2

Be marked with the predetermined sign scale that adapts with water supply pressure and determine the compressive strength of upper baffle ring 34c lower springs 35c in the periphery of regulating bolt 15c.

Operation principle of the present utility model is as follows:

After the hot water tap opens, then current are entered in the valve for pressure difference 30a inner chamber by current adapter 21a, and make film be stressed ejection and present drum type, because the upward drum of film makes the push rod 62a that is positioned at its top move synchronously and promote epimere 3c and moves synchronously, move on the driving lever 321c limit that is connected with 31c and touch microswitch 12a and open, so that microswitch deactivation magnetic valve, and utilize magnetic valve to go to light a fire.After the hot water tap closes, because of film does not have the pressure effect, self-return under the effect of spring 35c elastic force then, and epimere 3c also breaks away from thereupon moving down and the contacting of switch, microswitch 12a is closed immediately, returns to former flameout state.Referring to Fig. 2

All depend on because of correctly whether lighting a fire as soon as possible throw-out collar 33c down can on move, also just says, be decided by the interior film of pressure differential disc 30a can be pushed by hydraulic pressure and overcome spring 35c elastic force and on move.

Therefore, when water pressure during greater than spring 35c elastic force, just can normal ignition, but pressure too conference causes vibrating noise and loss to system, and water pressure then can not normally be lighted a fire during less than spring 35c elastic force, therefore, untimely and produce the combustion gas accident that leaks with regard to Yi Fashengyin igniting.Former water heater existing questions that Here it is, the size that the starting pressure of its ignition switch can not the viewing system water supply pressure and adjusting just, because, it is difficult for changing at any time spring 35c in the valve body of packing into, therefore, utilizing bolt 15c to regulate way to the decrement of upper baffle ring 34c, to reach that point of adjustment pressure ignition and systematic Water supply pressure adapt then be easy and the most feasible a kind of way, promptly when systematic Water supply pressure is on the low side, then with bolt 15c outward turning, the pressure of its compression spring 35c is reduced, like this, hydraulic pressure on the low side just can be with film jack-up, otherwise, when hydraulic pressure is higher, bolt 15c can be screwed in, make the compressive strength of spring 15c can improve also and can adapt with actual pressure of supply water.

If go out scale in the marking in advance of adjustment nut 15c outer surface, and this scale is set with each floor pressure reduction that top layer water tower water supply in the skyscraper is caused, just adjust the nut amount of being screwed into by each layer supply head in advance, can be complementary with real anti-hydraulic pressure to reach igniter pressure, convenience is provided for the water heater Installation and Debugging.

Its concrete duty is: when the film in the pressure differential disc 30a during by jack-up, outer visit that push rod 62a moves on then and with push rod epimere 3c jack-up, referring to Fig. 3 and Fig. 4, when moving on the 3c, the push rod 321c that its bottom projection 31c go up to connect also moves on synchronously and the microswitch 12a of outer valve jacket 2c external stability is opened, to carry out ignition operation, at the same time, lift owing to moving plate 5c one end of dialling that drives with its plug-in card on the push rod 3c, and other end 52c is depressed, when the 52c end is depressed, left behind synchronously with the axostylus axostyle 42c that the 52c card is inserted, make whole push rod 4c move down and spur valve 40c and also move down, when valve 40c moves down, be opened with valve opening 102a in the pipeline of its assembling, combustion gas then enters the air feed state by inlet channel 10a, the pressure differential disc 50b and the valve sets 501b that then cooperate water heater after combustion gas infeeds are with control main major fire 502b, auxiliary female fiery 503b and induction electrode 504b, the 505b operation of lighting a fire.Otherwise, when pressure differential disc 30a once pressure release, spring 35c can promote down throw-out collar 33c with push rod epimere 3c return, and push rod 4c is reversed jack-up, with the valve opening 102a sealing with inlet channel.

Claims

1, the water pressure adjusting device of water heater water lighting switch, by a loam cake (1a), the pressure differential disc (30a) that the film of lower cover (2a) and middle clamping constitutes, circumferentially be connected with the flow tube (21a) that connects with pressure differential disc (30a) inner chamber at pressure differential disc (30a), offering a hole (21c) on the valve shell cover (2c) of suit mutually with pressure differential disc (30a), be fixed with little switch (12a) that touches on the periphery wall of hole, little driving lever (321c) and outside ignition mechanism that touches in switch (12a) and the hole (21c) acts on mutually, driving lever (321c) drives the top by the motive power of the push rod (62a) that stretches out in the pressure differential disc (30a), it is characterized in that: valve body is to be made of the outer valve jacket (2c) of side opening on one and the inner housing (1c) with shell cover spiral-lock, valve of visiting outside inner housing (1c) top (40c) and the valve opening (102a) in the combustion gas inlet channel (10a) lean, push rod (4c) in valve (40c) and the inner housing (1c) links to each other, push rod (4c) link to each other with axostylus axostyle (42c) and by axostylus axostyle outward the plate (5c) of dialling inserted of the card on the section of spy move with the hand mobile, the middle part of dialling plate (5c) is articulated between the projection (13c) of inner housing (1c) diapire (16c) evagination, the epimere (3c) that the other end of dialling plate (5c) and activity insert the push rod (62a) in another protruding seat perforation (111c) of inner housing (1c) diapire (16c) blocks group mutually, be positioned at push rod (3c) and be equipped with lower baffle ring (81a) on inner housing (1c) segment length, spring (8a) and upper baffle ring (82a), one regulates that bolt (5a) is twisted in the screw (112c) of the top board that is placed on inner housing (1c) and inconsistent with upper baffle ring (82a), and the lower end of push rod epimere (3c) and pressure differential disc (30a) are gone up on the outer push rod of visiting (62a) inconsistent.

2, water pressure adjusting device according to the described water heater water lighting of claim 1 switch, it is characterized in that: last uncovered shell body (2c) bottom of rectangular hollow have one with pressure differential disc (30a) epirelief partly overlap solid trepanning (22c), go up in the pressure differential disc (30a) visit on the push rod of visiting (62a) in trepanning (22c) and relative with the bottom projection (31c) of the push rod epimere (3c) on its positive top in and touch to, bottom projection (31c) is gone up to insert and be connected with the driving lever (321c) that probes into from hole (21c), push rod epimere (3c) activity pass enter behind the protruding protruding seat hole (111c) under inner housing (1c) diapire in the inner housing (1c) and with last lower baffle ring (34c), (33c) and tower shape spring (35c) install, section (32c) activity of go up visiting of push rod epimere (3c) insert with the through hole (151c) of the stubborn adjusting nut (15c) of inner housing (1c) roof screw (112c) in, the inner housing of hollow rectangular shape (1c) upper wall is provided with the outer boss flange (121c) that is connected with shell body upper edge lug (23c), on inner housing (1c), be provided with two correspondences and sidewall that diapire and roof are linked together, constitute an inner chamber (15c) that connects by two side and roof and diapire, form one behind outer valve jacket (2c) and inner housing (1c) suit and be installed in space (17c).

3, according to the water pressure adjusting device of claim 1 or 2 described water heater water lighting switches, it is characterized in that: in the protruding protruding cover for seat (12c) that has a confession axostylus axostyle (42c) to install of the following subordinate of the diapire (16c) of inner housing (1c), protruding seat (11c) that installs for push rod epimere (3c) and two separately and corresponding projections (13c) are fixed on two corresponding projections (13c) bottom with the two ends of dialling the movable pivot (14c) that inserts in plate (5c) middle part by screw (131c).

4, water pressure adjusting device according to claim 1 or 2 described water heater water lighting switches, it is characterized in that: evagination has boss (122c) on the roof top of inner housing (1c), boss (122c) epimere circumferentially is with the sealing ring A that contacts and seal with the opposite side pore of inlet channel (10a), in the top pit (1221c) of boss (122c), be set with spring (401c), the valve (40c) that links to each other with the upper shaft section (43c) of push rod (4c) is positioned at the top of the upper end of spring (401c), and the valve opening (102a) of the upper surface of valve (40c) and inlet channel (10a) leans and seals or disengaging.

5, according to the water pressure adjusting device of the described water heater water lighting of claim 1 switch, it is characterized in that: push rod (4c) is made of the shaft section (42c) of column body segment (41c) that is positioned at inner housing (1c) inner chamber (15c) and bottom grafting and the shaft section (43c) that top connects, its shaft section (42c) end has fixture block (421c), sliding sleeve (121c) the slip suit of shaft section (42c) and the interior suit of protruding cover for seat (12c), shaft section (43) activity from the open-work of inner housing (1c) roof and boss (122c) passes.

6, according to the water pressure adjusting device of the described water heater water lighting of claim 5 switch, it is characterized in that: on the minor diameter changeover portion (431c) of vestibule (1222c) plug-in mounting of shaft section (43) and boss (122c), be with sealing ring B, be provided with and the axial location pit (123c) that holds of protuberance (411c) movable sleeve of column body segment (41c) in inner housing (1c) top inside bottom wall.

7, water pressure adjusting device according to the described water heater water lighting of claim 1 switch, it is characterized in that: dial plate (5c) and be middle high outer low saddle, the section of spy is movably fastened mutually outside its two ends offer bottom with shaft section (42c) and push rod epimere (3c) dials slotting gap (51c) and (52c), the outer spy bottom projection (31c) of push rod epimere (3c) be one with dial plate (5c) dial slotting gap (52c) the projection shape of block mutually, lower baffle ring (35c) is sleeved on the place, axle rank of visiting section (32c) on push rod epimere (3c) and its minor diameter, and the interior spy end of driving lever (321c) connects with the screw (311c) of bottom projection (31c) is stubborn mutually.

8, according to the water pressure adjusting device of the described water heater water lighting of claim 7 switch, it is characterized in that: two U-shapeds of dialling plate (5c) of saddle dial slotting gap (51c) and (52c) be one high and one low shape setting and constitute with its middle part Pivot axle (14c) be the axle center oppositely stir push rod epimere (3c) and push rod (4c) edge axially movable seesaw shape separately each other.

9, according to the water pressure adjusting device of the described water heater water lighting of claim 1 switch, it is characterized in that: the predetermined sign scale that is marked with the compressive strength that adapts with water supply pressure and determine upper baffle ring (34c) lower springs (35c) in the periphery of regulating bolt (15c).