CN201198908Y - Gas valve with gas compensation mechanism - Google Patents
Gas valve with gas compensation mechanism Download PDFInfo
- Publication number
- CN201198908Y CN201198908Y CNU2008200432274U CN200820043227U CN201198908Y CN 201198908 Y CN201198908 Y CN 201198908Y CN U2008200432274 U CNU2008200432274 U CN U2008200432274U CN 200820043227 U CN200820043227 U CN 200820043227U CN 201198908 Y CN201198908 Y CN 201198908Y
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- CN
- China
- Prior art keywords
- valve
- compensation
- gas
- valve body
- inlet holes
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- Expired - Lifetime
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Abstract
The utility model discloses a fuel gas valve provided with a fuel gas compensation mechanism, comprising a valve body and a valve seat; the valve body and the valve seat form a hollow chamber which is internally provided with a valve core that is provided with two small fire air inlet holes and two large fire air inlet holes which are arranged at the same circumference; the valve body is provided with an air inlet passage which is matched with the air inlet hole; the structure reduces the difficulty of processing and reduces the production cost; the valve core is provided with a compensation ventilation hole; the end of the valve body is provided with a compensation nozzle; the valve body is provided with a compensation passage which is communicated with the compensation nozzle and the compensation ventilation hole; when various fuels are combusted, stable burning of various fuels on the same burning device can be completed by the conversion of the fuel gas passages; the fuel gas valve has simple structure, safe and convenient usage, avoids unnecessary wastes, greatly reduces the possibility of disaster accidents and reinforces the competitiveness of the products on the cost-performance.
Description
Technical field
The utility model relates to a kind of gas valve, and particularly a kind of band gas compensation mechanism can supply the shared gas valve of multiple combustion gas.
Background technique
Because different combustion gas has different characteristics, parameters such as its heat load, combustion potential, Weber index all have difference, with reference to following table:
The gas characteristic of methane and propane:
| The combustion gas kind | Molecular formula | Molecular weight | Volume | Gas constant | Density | Relative density | Specific heat at constant pressure | Adiabatic index | Higher calorific value | Lower calorific value | Air requirement | Oxygen consumption |
| Methane | CH 4 | 16.04 | 22.36 | 518 | 0.717 | 0.554 | 1.545 | 1.309 | 890943 | 39842 | 9.52 | 2.0 |
| Propane | C 3H 8 | 44.09 | 21.9 | 188 | 2.01 | 1.554 | 2.96 | 1.161 | 2045424 | 93244 | 23.8 | 5.0 |
As seen from the above table, under the identical situation of heating value, the air inflow of methane and propane differs greatly, thereby makes when multiple combustion gas is used on same valve, all is difficult to the firing effect that reaches desirable.Because traditional valve can only be used for a kind of source of the gas, if run into the situation that changes source of the gas, then must change valve again, or change the parts of valve internal, to reach the purpose that makes the smooth combustion on same burner of another kind of source of the gas.Yet such operation can make manufacturer and user feel very inconvenience, causes the significant wastage of resource simultaneously, if changed voluntarily by the user, has certain potential safety hazard again, causes the generation of catastrophic failure easily.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provide a kind of simple in structure, using effect good, can be for the gas valve of the shared band gas compensation mechanism of multiple combustion gas.
The technological scheme that its technical problem that solves the utility model adopts is:
A kind of gas valve with gas compensation mechanism, comprise valve body and valve seat, valve body is equipped with nozzle, nozzle is provided with nozzle bore, in the cavity that valve body and valve seat constitute spool is installed, and spool one end is provided with blind hole, this blind hole is by interior air flue and nozzle bore UNICOM, the spool the other end is connected with rotating shaft, and described spool is provided with little fiery inlet hole and big fire inlet hole, and described valve body is provided with the intake duct that matches with above-mentioned inlet hole; Described spool is provided with the compensation vent, be provided with compensating jet near the valve end nozzle, valve body is provided with the compensation channel of UNICOM's compensating jet and compensation vent, wherein when a big fire inlet hole and intake duct UNICOM, compensates also UNICOM of vent and compensation channel.
As further improvement of the utility model, described spool is provided with two little fiery inlet holes and two big fire inlet holes; Described two little fiery inlet holes and/or two big fire inlet holes are circular ports; Described two little fiery inlet holes and two big fire inlet holes are positioned on the same circumference; Described two little fiery inlet holes and/or two big fire inlet holes are bar hole or slotted eye.
The beneficial effects of the utility model are: spool of the present utility model is provided with the compensation vent, be provided with compensating jet near the described valve end nozzle, valve body is provided with the compensation channel of UNICOM's compensating jet and compensation vent, during the burning pluralities of fuel, only need conversion by blast tube, can reach and to change the purpose that any accessory makes source of the gas not of the same race smooth combustion on same burner, two little fiery inlet holes and two big fire inlet holes are positioned on the same circumference, valve body is provided with the intake duct that matches with above-mentioned inlet hole, reduce the difficulty of processing, reduced cost of production.Gas valve of the present utility model is simple in structure, safe in utilization, convenient, can avoid unnecessary waste, greatly reduces the possibility that catastrophic failure takes place, and brings many convenience to people.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the utility model embodiment's a schematic appearance;
Fig. 2 is the utility model embodiment's a part sectioned view;
Fig. 3 is the sectional view of the utility model embodiment valve body;
Fig. 4 is the utility model embodiment spool schematic representation;
Fig. 5 is the plan view of the utility model embodiment spool;
Fig. 6 is the sectional drawing of the utility model embodiment spool;
Fig. 7 is that the utility model uses a kind of combustion gas schematic representation;
Fig. 8 is that the utility model uses another kind of combustion gas schematic representation.
Embodiment
Referring to figs. 1 through Fig. 8, a kind of gas valve with gas compensation mechanism comprises valve body 1 and valve seat 2, and valve body 1 is equipped with nozzle 3, and nozzle 3 is provided with this nozzle bore, and the size of this nozzle bore has determined the flow of combustion gas, thus the size of control burning capacity.In the cavity that valve body 1 and valve seat 2 constitute spool 4 is installed, spool 4 one ends are provided with blind hole 14, and this blind hole 14 is by interior air flue 15 and nozzle bore UNICOM, and spool 4 the other ends are connected with rotating shaft 5; Described spool 4 is provided with two little fiery inlet holes 6 and two big fire inlet holes 7, described two little fiery inlet holes 7 and two big fire inlet holes 6 are positioned on the same circumference, this inlet hole can be circular port, also can be the hole of bar hole or other shape, as long as can want to cooperate with intake duct.Described valve body 1 is provided with the intake duct 8 that matches with above-mentioned inlet hole, pipe laying interface 12 on intake duct 8, adopt rubber pad 13 sealings then, diameter according to intake duct 8, little fiery inlet hole 6 and big fire inlet hole 7 angles are set, in the time of can making spool 4 forward a certain angle to, the part of the part of big fire inlet hole 7 and little fiery inlet hole 6 is ventilated simultaneously, thereby can realize that flame of combustion changes from small to large continuously.Gas valve of the present utility model has adopted said structure, changed traditional inlet hole not on same circumference, need be provided with the present situation that the gas-entered passageway of " people " font communicates with the inlet hole that is positioned at two circumference respectively at valve body, reduce the difficulty of processing, reduce cost of production.
Described spool 4 is provided with compensation vent 9, be provided with compensating jet 10 near valve body 1 end nozzle 3, valve body 1 is provided with the compensation channel 11 of UNICOM's compensating jet 10 and compensation vent 9, when wherein a big fire inlet hole 7 is with intake duct 8 UNICOMs, compensation vent 9 and compensation channel 11 also UNICOM, this compensation vent 9 can be one, also can be two or more, the difficulty that can reduce to process like this, the big I of compensation vent 9 character of combustion gas is as required determined, the kind of the gas that the number of compensation vent 9 can burn as required is provided with flexibly, the number of also corresponding change compensating jet 10 and compensation channel just can realize changing the size of air inflow two.
For the convenience of processing, earlier air flue is got through, and then blocked gas port, to prevent gas leakage with envelope pearl 16.Rotate regulating spool 4 by rotating shaft 5, can realize that nozzle 3 or compensating jet 10 and nozzle 3 spray combustion gas simultaneously and participate in burning, during the burning pluralities of fuel, only need conversion by blast tube, promptly by rotating shaft 5 rotational valve cores 4, regulate the relative position of inlet hole and intake duct, thereby realize the size that control is bright, when burning another kind of gas, about rotary spool 180 degree, make compensation vent 9 and compensation channel 11 UNICOMs, rotational valve core can change air inflow, can reach to change the purpose that any accessory makes source of the gas not of the same race smooth combustion on same burner.
Gas valve of the present utility model is simple in structure, safe in utilization, convenient, can avoid unnecessary waste, greatly reduces the possibility that catastrophic failure takes place, and brings many convenience to people, has strengthened the competitive ability of product aspect cost performance.
Claims (4)
1. gas valve with gas compensation mechanism, comprise valve body (1) and valve seat (2), valve body (1) is equipped with nozzle (3), nozzle (3) is provided with nozzle bore, in the cavity that valve body (1) and valve seat (2) constitute spool (4) is installed, spool (4) one ends are provided with blind hole (14), this blind hole (14) is by interior air flue (15) and nozzle bore UNICOM, spool (4) the other end is connected with rotating shaft (5), it is characterized in that described spool is provided with little fiery inlet hole (6) and big fire inlet hole (7), described valve body (1) is provided with and above-mentioned inlet hole (6,7) intake duct that matches (8), described spool (4) is provided with compensation vent (9), be provided with compensating jet (10) near the valve end nozzle (3), valve body (1) is provided with the compensation channel (11) of UNICOM's compensating jet (10) and compensation vent (9); When wherein a big fire inlet hole (7) is with intake duct (8) UNICOM, compensation vent (9) and compensation channel (11) also UNICOM.
2. a kind of gas valve with gas compensation mechanism according to claim 1 is characterized in that described spool (4) is provided with two little fiery inlet holes (6) and two big fire inlet holes (7).
3. a kind of gas valve with gas compensation mechanism according to claim 2 is characterized in that described two little fiery inlet holes (6) and/or two big fire inlet holes (7) are circular ports; Described two little fiery inlet holes (6) and two big fire inlet holes (7) are positioned on the same circumference.
4. according to claim 1,2 or 3 described a kind of gas valves, it is characterized in that described two little fiery inlet holes (6) and/or two big fire inlet holes (7) are bar hole or slotted eye with gas compensation mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200432274U CN201198908Y (en) | 2008-01-24 | 2008-01-24 | Gas valve with gas compensation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200432274U CN201198908Y (en) | 2008-01-24 | 2008-01-24 | Gas valve with gas compensation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201198908Y true CN201198908Y (en) | 2009-02-25 |
Family
ID=40450063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200432274U Expired - Lifetime CN201198908Y (en) | 2008-01-24 | 2008-01-24 | Gas valve with gas compensation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201198908Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791509A (en) * | 2015-04-21 | 2015-07-22 | 宁波朝阳家用燃气具有限公司 | Fuel gas valve |
-
2008
- 2008-01-24 CN CNU2008200432274U patent/CN201198908Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791509A (en) * | 2015-04-21 | 2015-07-22 | 宁波朝阳家用燃气具有限公司 | Fuel gas valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090225 Effective date of abandoning: 20080124 |