CN2180905Y - Two-purpose clamp type stove - Google Patents

Abstract

The utility model discloses a two-purpose clamp type stove, which can use special gas tanks and general domestic steel cylinders for liquefied gases. The utility model is characterized in that a bypass system namely an auxiliary valve body is added on the edge side of an existing clamp type pressure reduction valve namely a main valve body; the opening and closing of bypass gas inflow are controlled by the reciprocating movement of a piston rod controlled by a spring. When the special gas tanks are loaded, the bypass can not take action, gases outputted from the special gas tanks can enter a cooking utensil through the pressure reduction valve of the main valve body. When the special gas tanks are removed, liquefied gases supplied by external steel cylinders enter the main valve through the auxiliary valve body and not be pressure reduced to be sent into the cooking utensil. The utility model has the advantages of simple structure, convenient use, and expanded use range.

Description

Two-purpose clamp type stove

The utility model relates to gas furnace, more particularly, relates to a kind of dual-purpose cassette cooker that not only can use the special-purpose vapour jar of cassette cooker but also can use the normal domestic use cylinder for liquefied gas.

The special-purpose vapour jar of cassette cooker about existing cassette cooker uses jar internal pressure as 2kg/cm, and can not use the air feed of normal domestic use cylinder for liquefied gas, this is because existing cassette cooker has only an air inlet, can only cooperate special-purpose fastening tank and can not be directly connect with general flexible pipe, this air inlet directly joins with a pressure-reducing valve simultaneously, can't join with the normal domestic use cylinder for liquefied gas that has pressure-reducing valve, this cassette cooker is that uniqueness or the special air inlet connected mode that used fuel gas source is selected all greatly limited its scope of application and frequency, because the special-purpose gas tank of cassette cooker is uneconomical economically, store also dangerous, when not having slack tank in case jar interior gas uses up, this cassette cooker just can not use, and directly the output leather hose of normal domestic use cylinder for liquefied gas is connected to this cassette cooker air inlet, because combustion gas must make decompression back pressure not reach the pressure of the desired 280--300mmH2O post of kitchen range by twice decompression of cylinder for liquefied gas pressure-reducing valve and cassette cooker pressure-reducing valve, can't make the best use of everything.

The purpose of this utility model is to provide a kind of not only special-purpose gas tank of receivability cassette cooker and its combustion gas decompression is used, but also can be connected the dual-purpose cassette cooker that the output leather hose of normal domestic use cylinder for liquefied gas directly uses.

The purpose of this utility model is to realize like this, construct a kind of output port 9 of pipeline, be located at described main valve 8 another avris and be provided with a through hole 10, a kind of dual-purpose cassette gas cooker comprises kitchen range portion 21 and gas supply part 22, gas supply part 22 comprises the gas tank cabin that can hold special-purpose gas tank, dual-purpose valve device 23, this dual-purpose cassette gas cooker is characterised in that, described dual-purpose valve device 23 comprises main valve body 24 and auxilliary valve body 25, described main valve body 24 is divided into by the dividing plate 26 of centre band through hole, following two parts, top comprises special-purpose gas tank nozzle interface 6, the check valve 7 that communicates with described interface 6, the decompression chamber 8 that communicates with check valve 7 other ends, the bottom is the main valve body 9 that the through hole 27 by dividing plate 26 communicates with described decompression chamber 8, the output port 10 of the pipeline of described stove and accessory portion 21 is removed in the connection that is located at described main valve body 9 avris, be located at the through hole 11 of described main valve body 8 another avris of bottom, the avris of described auxilliary valve portion 25 is provided with a through hole 12 relative with the through hole 11 of described primary valve part 24, described auxilliary valve portion 24 also comprises, be located at the air inlet 13 of the common steel cylinder liquefied gas of connection leather hose of another avris of this auxilliary valve body 24, described auxilliary valve portion 24 also comprises baffle ring 1, the end of its bar and described baffle ring 1 join, the piston rod 2 of its piston portion in described auxilliary valve portion 24, be located at the spring 5 in auxiliary valve part 24 cavitys, the sealing ring 3 that pastes mutually with described piston rod 2 piston areas, be located at the sealing ring 4 of described spring 5 end faces, the described sealing ring 4 of spring 5 pressurizeds seals up the through hole 12 of auxilliary valve portion 25 to main valve portion 24 during described baffle ring 1 pressurized, and when baffle ring 1 not during pressurized, spring 5 not pressurized air inlet 13 communicates with described primary valve part 24 by through hole 12.

According to the dual-purpose combustion gas cassette cooker that the utility model provides, its feature also is, described primary valve part 24 and described auxilliary valve 25 integrated formation.

Dual-purpose combustion gas cassette cooker according to the utility model provides is characterized in that, described primary valve part 24 and described auxilliary valve portion 25 combine by screw.

Implementing dual-purpose combustion gas cassette cooker of the present utility model has the characteristics of a stove dual-purpose compared with prior art, and the switching of the source of the gas of two kinds of different pressures is very convenient, safety, reliable and easy to manufacture, easy to use, simple to operate easy, neither the use of the existing cassette cooker of influence does not also destroy its face shaping, and has increased the function of use and the scope of application of existing cassette cooker, made things convenient for people's life, the life of having satisfied people is required.

In conjunction with the accompanying drawings, further specify the utility model, in the accompanying drawing:

Fig. 1 is the schematic appearance of the dual-purpose combustion gas cassette cooker of the utility model;

Fig. 2 is dual-purpose combustion gas cassette cooker of the utility model and special-purpose cassette gas tank connection diagram;

Fig. 3 is the main valve body in the dual-purpose combustion gas cassette cooker of the utility model and the detail view of auxilliary valve body.

From outside drawing shown in Figure 1, this dual-purpose cassette gas cooker comprises kitchen range portion 21 and gas supply part 22, is that with conventional stove and accessory difference gas supply part 22 avris are provided with an air inlet 13 that is connected normal domestic use cylinder for liquefied gas tracheae.

Fig. 2 has provided the situation that special-purpose fastening tank is housed in the stove and accessory of the utility model embodiment, and joint design is similar to conventional cassette gas cooker tool, and when packing this jar into, external gas is derived from moving the cut-out.

In conjunction with Fig. 3 the utility model operation principle and structure are described.

Main points of the invention and basic principle are to cut down in existing cassette decompression--the next door of final felling, increase a bypath system, promptly bypass air intake duct is by the reciprocating motion (by the effect of spring) of a piston rod, come the bypass air intake duct is opened or closed, when bypath system is opened, at this moment piston is opened and is in upper limit position (spring is in free state), and the cassette decompression is cut down--the air intake duct of final felling is closed owing to the unidirectional effect of cutting down, at this moment the gas of coming in from the bypass air intake duct is without the decompressor of final felling, but directly enter the venthole that existing cassette cooker decompression is cut down, thereby also just almost there is not the pressure loss, so just can directly enter burner and go work (burning), make existing cassette cooker can on a stove, use the purpose of the source of the gas (the one, cassette jar special, the one, the source of the gas of the big steel cylinder of family expenses) of two kinds of different pressures respectively thereby just reached.As shown in drawings:

A. when spring 5 is in free state, the bypass air intake duct is opened (this moment, fastening tank took off), the gas of coming in from the bypass air inlet directly goes main valve (without the decompressor of main valve) to be entered burner by the gas outlet of main valve through bypass valve and goes work (burning), at this moment by the effect of sealing ring 3,4 and confining gas is gone out from piston rod, the air intake duct of while main valve, because the effect of check valve has also been sealed, so can not leak--the source of the gas that comes arrogant steel cylinder that at this moment uses.

B. when on the fastening tank card, at this moment piston rod is depressed (at this moment spring is in compressive state) by the baffle ring effect on the fastening tank, seal the venthole of bypass air intake duct owing to the effect of piston rod, simultaneously by the sealing ring 3 on the piston rod, two ends of bypass gas handling system have also been sealed in 4 effect, and the gas of coming in from the bypass import can not be entered, simultaneously the gas of coming in from primary valve part can not let out from bypath system, and what can only allow the gas of coming in from main valve goes that burner work (burning)----at this moment uses through decompression is source of the gas from special-purpose fastening tank.

C. on the fastening tank card, when the gas of bypass air inlet also connected, what at this moment use was the interior source of the gas of fastening tank.

D. easy switching is simple, can select very easily to use from the source of the gas of the big steel cylinder of family expenses or from the source of the gas in the fastening tank as long as unload or load onto fastening tank.

Claims (3)

1, a kind of dual-purpose cassette gas cooker comprises kitchen range portion (21) and gas supply part (22), gas supply part (22) comprises the gas tank cabin that can hold special-purpose gas tank, dual-purpose valve device (23), this dual-purpose cassette gas cooker is characterised in that, described dual-purpose valve device (23) comprises main valve body (24) and auxilliary valve body (25), described main valve body 24 is divided into by the dividing plate (26) of centre band through hole, following two parts, top comprises special-purpose gas tank nozzle interface (6), the check valve (7) that communicates with described interface (6), the decompression chamber (8) that communicates with check valve (7) other end, the bottom is the main valve body (9) that communicates with described decompression chamber (8) by the through hole of dividing plate (26) (27), the output port (10) of the pipeline of described stove and accessory portion (21) is removed in the connection that is located at described main valve body (9) avris, be located at the through hole (11) of another avris of described main valve body (8) bottom, the avris of described auxilliary valve portion (25) is provided with a through hole (12) relative with the through hole (11) of described primary valve part (24), described auxilliary valve portion (24) also comprises, be located at the air inlet (13) of the common steel cylinder liquefied gas of connection leather hose of another avris of this auxilliary valve body (24), described auxilliary valve portion (24) also comprises baffle ring (1), the end of its bar and described baffle ring (1) join, the piston rod (2) of its piston portion in described auxilliary valve portion 24, be located at the spring (5) in auxiliary valve part (24) cavity, the sealing ring (3) that pastes mutually with described piston rod (2) piston area, be located at the sealing ring 4 of described spring (5) end face, the described sealing ring of spring (5) pressurized (4) seals up the through hole (12) of auxilliary valve portion 25 to main valve portion (24) during described baffle ring (1) pressurized, and when baffle ring (1) not during pressurized, spring not pressurized air inlet (13) communicates with described primary valve part (24) by through hole (12).

2, dual-purpose combustion gas cassette cooker as claimed in claim 1, its feature also are, described primary valve part (24) and the integrated formation of described auxilliary valve (25).

As the described dual-purpose combustion gas cassette cooker of claim (1), it is characterized in that 3, described primary valve part (24) combines by screw with described auxilliary valve portion (25).

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