CN2495947Y - Closed type safety gas water heater - Google Patents

Abstract

The utility model discloses a closed type safety gas water heater which comprises a water heater, a front casing cover, a back casing, an air inlet pipe, an air inlet bar, an air inlet bar valve, an vent pipe, a universal hurricane preventing smoke tube, a timing multifunctional solenoid valve and a scald preventing device. The utility model is characterized in that: the back of the back casing bottom is provided with two air inlet holes; the air inlet bar is fixed at the air inlet hole and inserts into the air inlet pipe through a screw; the other end of the air inlet pipe extends out of the wall; an air outlet joint arranged at the casing top is connected with the vent pipe which can extends into a chimney or public flue to exclude smoke with condition and install the universal hurricane preventing smoke tube to exclude smoke without condition; the hot water pipe bottom is connected with the scald preventing device; the outer end of a fuel gas tube is further provided with the multifunctional solenoid valve; and a timing switch and an air leakage monitoring switch are matched. The utility model has the advantages of obturation, safety, explosion prevention, unnecessary of alternating current, no CO poisoning, no air leakage poisoning, no hypoxia asphyxia, no drying fire, no air pollution, scald prevention, capability of automatic air shut and air leakage monitoring and has the characteristics of multi-orientation safety, low cost, beauty, durability and convenient utilization.

Description

Closed safety-type gas heater

The utility model belongs to gas heater, especially a kind of closed safety-type gas heater that must not rely on public flue gas.Closed nature supply and exhaust water heater is the highest gas heater of safety coefficient, and is widely-used in developed country.Because of balanced type relies on public flue gas air inlet, increased construction cost, had complex structure, weakness such as the big price height of cost, be not suitable for national conditions, this is the principal element that the balanced type water heater is difficult to promote in China, and people have to use inexpensive open type or semi-hermetic type product that must public flue; As straight-line, chimney flue type, forced-ventilated water heater, this is the frequent basic reason that takes place of accident.Even the forced-ventilated water heater of balance newly developed, have also that electric leakage hidden danger, gas leakage are dangerous, anti-high wind pour in down a chimney ineffective, not explosion-proof, can not regularly close gas, dry combustion method fire, overheated scald, have a power failure and can not use or the like defective; It uses alternating current, complex structure, the too much electronic protection of dependence also is its maximum weakness to cost is raise.

The purpose of this utility model is to provide a kind of closed safety-type gas heater of safe and reliable, simple in structure, easy to use, attractive and durable, suitable national conditions.

Technical solution of the present utility model is such, comprises by back standard Flue Gas Water Heater, back casing, front shell cover, air inlet pipe, air inlet grill, air inlet grill gate, blast pipe, exhaust fitting, universal windproof chimney, anti-scald device and timing multi-function electromagnetic valve; The top of back casing be provided with exhaust fitting be connected with blast pipe flue gas is discharged outdoor, the back casing bottom has two air admission holes, be screwed after air inlet grill aligned air admission hole, be provided with Contraband shape groove in framework two sides, the air inlet grill gate inserts in the Contraband shape groove and can slide, and the air inlet grill blade is miter angle down, and the corresponding air admission hole of air inlet grill gate has the anti-explosion safety hole, the anti-explosion safety hole is fixed with explosion-proof safety plate, and safety plate can be with aluminium foil or tinsel; Hold through the hole with cured cotton thread and to fasten after the air inlet grill gate is raised to Xiao Ding position, location, the hot-water line delivery port is equipped with the anti-scald device, the anti-scald device is equipped with water fender in the chamber, the outlet of anti-scald device connects threeway, another connects the warm water and finely tunes tap, spray thrower handgrip the inside is provided with the anti-scald device, regularly multi-function electromagnetic valve is made of time switch, valve body, electromagnetic valve coil, seal closure, outer cover, inductor and buzzer, have air-vent around the outer cover, both sides are equipped with inductor and buzzer respectively in the outer cover; The inlet end of valve body is provided with nipple and is connected with gas pressure regulating valve, and the outlet side of valve body is provided with hose coupling and connects the combustion gas sebific duct to Gas Pipe, and gas dome, inlet valve, air outlet valve are arranged in the valve body, and outer cover, coil, seal closure are screwed on valve seat.

The utility model has the advantages that simple in structure, without alternating current, inexpensively easily make, airtight safely, have regularly close airway dysfunction, certain explosion-proof ability arranged, can step-less adjustment cold water to warm water to hot water; Can prevent such as gas leakage poison, CO poisons, electric leakage hidden danger, anoxia asphyxia, air pollution, dry combustion method fire, forget close that gas, high wind pour in down a chimney, overheated scald or the like crisis or danger evil; Meet gas leakage and can close gas automatically, be suitable for various sources of the gas, can directly in the bathroom, install and use, can with the water heater product of the supporting Development of New Generation energy-saving safe of solar water heater.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is that overall structure of the present utility model is installed front view.

Fig. 2 is that overall structure of the present utility model is installed right view.

Fig. 3 removes overall structure right view behind the protecgulum for of the present utility model.

Fig. 4 is a water heater overall structure echelon sectional view of the present utility model.

Fig. 5 is the back casing right view that removes protecgulum and water heater of the present utility model.

Fig. 6 is that anti-scald device of the present utility model and hot water pipe are installed diagrammatic sketch.

Fig. 7 looks cutaway view for anti-scald device master of the present utility model.

Fig. 8 is the A-A cutaway view among Fig. 7 of pressing of the present utility model.

Fig. 9 is an electromagnetic valve structure profile of the present utility model.

Among Fig. 1～Fig. 9, universal windproof chimney (1), wall wind awl (2), smoke exhaust pipe (3), water heater inner support (4), back standard Flue Gas Water Heater (5), air inlet grill gate (6), air inlet grill (7), air inlet pipe (8), rodent-proof mesh (9), fixing screw (10), exhaust fitting (11), front shell cover (12), back casing (13), burnt gas switch (14), time switch (15), anti-scald device (16), timing multi-function electromagnetic valve circuit box (17), time switch battery case (18), hot-water line threeway (19), water yield switch hole (20), hot and cold water switch (21), burnt gas switch hole (22), cold water pipe (23), hot-water line (24), hook (25), Gas Pipe (26), ignition battery box (27), flame-observing hole (28), timing indicator (29), electronic type time switch hole (30), antifreeze drainpipe (31), water yield switching knob handle (32), burnt gas switch knob handle (33), hot and cold water switch hole (34), air inlet grill Contraband shape groove (35), air admission hole (36), air inlet grill blade (37), air inlet grill (38), sealing ring (39), cured line hole (40), cured cotton thread (41), interior machine set bolt (42), block water plate (43), back casing inner panel (44), location Xiao Ding (45), anti-explosion safety hole (46), explosion-proof safety plate (47), hold-down screw (48), explosion-proof safety plate rivet (49), warm water hot water fine setting tap (50), water valve (51) from the beginning, hot-water switch (52), fixing muscle (53), the hose coupling (54) of giving vent to anger, outer cover (55), valve body (56), air outlet valve (57), strengthen angle (58), go into valve (59), gas dome (60), air inlet nipple (61), screw (62), coil seal closure (63), electromagnetic valve coil (64), valve seat (65), valve (66).

Embodiment of the present utility model is such, as Fig. 1～shown in Figure 9, front shell cover (12) and back casing (13) are the shell bodies that forms a complete set of, housing (13) is made with metal material such as steel plate, aluminium sheet, corrosion resistant plate punching stretch, do rectangularity and be flat type body, specification is super wideer super thick 6～8 centimeters than back standard Flue Gas Water Heater respectively, about 15～20 centimeters of overlength.Back casing (13) bottom has two air admission holes (36), it is fixing with screw (48) that air inlet grill (7) is aligned air admission hole (36) back, and 2～3 centimeters of air inlet grill (7) thickness, width are narrower 4～6 centimeters than back casing, aspect ratio air admission hole diameter is advisable for big about 5 centimeters; Be provided with Contraband shape groove (35) in framework two sides, air inlet grill gate (6) inserts in the Contraband shape groove (35) and can slide up and down; Air inlet grill blade (37) is miter angle down, allows air cool off housing and air feed from bottom to top; The corresponding air admission hole of air inlet grill gate (6) (36) has anti-explosion safety hole (46), and anti-explosion safety hole (46) seal with the fixing explosion-proof safety plate (47) of rivet (48), and available aluminium foil of safety plate (47) or tinsel process; Hold through cured line hole (40) with cured cotton thread (41) and to fasten after air inlet grill gate (6) is raised to Xiao Ding (45) position, location.Flue Gas Water Heater (5) is equipped with inner support (4) and is fixed on the bolt (42) of back casing, the inner support height is 3～4 centimeters, can not press air inlet grill (7) and air inlet grill gate (6), cured line (41) combustion is had no progeny during because of generation dry combustion method accident, and air inlet grill gate (6) is automatic to fall to closing air admission hole (36), makes water heater play anti-dry fire or explosion-proof effect because of anoxic is flame-out.Pass porthole after rodent-proof mesh (9) is loaded onto in two air inlet pipe (8) outer end, the inner is inserted air admission hole (36) and is loaded onto sealing ring and prevents gas leakage.The inner exhaust joint (11) that connects of smoke exhaust pipe (3), the other end can connect chimney or public flue, can external universal windproof chimney (1) when no chimney or public flue solves down draught and recharges.10～15 centimeters of the diameters of exhaust smoke hole and air admission hole, it is fixing on the wall with back casing (13) that hold-down screw (10) passes hook (25), smoke exhaust pipe (3), air inlet pipe (8) passes outside the wall respectively, the water yield switching knob handle (32) and the burnt gas switch knob handle (33) of water heater (5) should extend about 3～4 centimeters, so that can stretch the nearby supporting water yield switch hole of cap (11) (20) and burnt gas switch hole (22), front shell cover (12) insertion back casing (13) tightens up with screw and prevents gas leakage, front shell cover (12) is provided with flame-observing hole (28), flame-observing hole (28) seals with the interlayer pyroceram, burnt gas switch (14) is housed on the front shell cover (12), water yield switch, hot and cold water switch (34), magnetic valve time switch (29), indicator lamp (30), all switch holes of fore shell and the pipe hole of back cover are equipped with sealing ring and prevent gas leakage.Anti-scald device (16) can be done circular or square cuboid, bottom in anti-scald device (16) chamber is fixed with block water plate (43), anti-scald device (16) upper end connects hot-water line (24), the lower end connects threeway (19), in new hot water that can will start shooting again and the ponding and lower the temperature, in order to avoid superheated water is directly discharged scald, design has the second road anti-scald device to strengthen effect in the spray thrower handgrip.Hot-water line threeway (19) is installed below the anti-scald device (16), one end of threeway (19) connects warm water hot water fine setting tap (50), the other end connects hot-water switch (52), cold water pipe (23) connects water valve (51) from the beginning, and Gas Pipe (26), hot-water line (24), cold water pipe (23), anti-freezing drainpipe (34) are lengthened to respectively and can stretch out the outer 2-3 centimetre of back casing (13) and be advisable.Time switch (30) and the convenient use of timing indicator (29) are equipped with in front shell cover (12) below.Two sides of back casing (13) below are respectively equipped with the battery case (18) that pit is installed ignition battery box (27) and time switch, and thread switching control is connected electromagnetic valve coil after being inserted in the asbestos insulation pipe.The gas pressure regulating valve of gas cylinder or source of the gas can be selected common pressure regulator valve or self-action pressure regulator valve for use, regularly multi-function electromagnetic valve is made of time switch (15), valve body (56), electromagnetic valve coil (64), inductor and buzzer, the outer cover (55) of valve body (56) has pore all around, the interior both sides of outer cover (55) are adorned inductor and buzzer respectively, magnetic valve is closed in inductor monitoring gas leakage automatically, buzzer is reported to the police simultaneously, and the flue gas inductor adopts conventional oil smoke inductor to get final product; Time switch (15) can adopt mechanical type or electronic type, will take the sparkproof seal approach during as the employing electronic type.Outer dress seal closure (63) sparkproof, the inlet end of valve body (56) is provided with nipple (61) and is connected with gas pressure regulating valve, the outlet side of valve body (56) is provided with hose coupling (54) and connects the combustion gas sebific duct to Gas Pipe (26), gas dome (60), inlet valve (59), air outlet valve (57) are arranged in the valve body (56), and outer cover (55), coil (64), seal closure (63) are fixed on the valve seat (65) with screw (62).During use, open time switch (15) and connect electromagnetic valve coil (64), coil (64) is opened valve (66), and combustion gas is lighted water heater (5) by air outlet valve (57).

Claims (1)

1. A kind of closed safety-type gas heater, comprise by Flue Gas Water Heater, front shell cover, back casing, air inlet pipe, air inlet grill, the air inlet grill gate, blast pipe, exhaust fitting, universal windproof chimney, the anti-scald device, multi-function electromagnetic valve, the top that it is characterized in that back casing (13) be provided with exhaust fitting (11) be connected with blast pipe (3) flue gas is discharged outdoor, back casing (13) bottom has two air admission holes (36), be screwed after air inlet grill (7) aligned air admission hole (36), be provided with Contraband shape groove (35) in framework two sides, air inlet grill gate (6) inserts in the Contraband shape groove (35) and slides, air inlet grill blade (37) is miter angle down, the corresponding air admission hole of air inlet grill gate (6) (36) has anti-explosion safety hole (46), anti-explosion safety hole (46) is fixed with explosion-proof safety plate (47), available aluminium foil of safety plate (47) or tinsel, hold through hole (40) with cured cotton thread (41) and to fasten after air inlet grill gate (6) is raised to Xiao Ding (45) position, location, hot-water line (24) delivery port is equipped with anti-scald device (16), anti-scald device (16) is equipped with water fender (43) in the chamber, anti-scald device (16) outlet connects threeway (19), another connects the warm water and finely tunes tap (50), spray thrower handgrip the inside is provided with the anti-scald device, regularly multi-function electromagnetic valve is by time switch (15), valve body (56), electromagnetic valve coil (64), inductor and buzzer constitute, the outer cover (55) of valve body (56) has pore all around, the interior both sides of outer cover (55) are adorned inductor and buzzer respectively, the inlet end of valve body (56) is provided with nipple (61) and is connected with gas pressure regulating valve, the outlet side of valve body (56) is provided with hose coupling (54) and connects the combustion gas sebific duct to Gas Pipe (26), gas dome (60) is arranged in the valve body (56), inlet valve (59), air outlet valve (57), outer cover (55), coil (64), seal closure (63) is fixed on the valve seat (65) with screw (62).

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