CN203797049U - Gas valve - Google Patents
Gas valve Download PDFInfo
- Publication number
- CN203797049U CN203797049U CN201420131029.9U CN201420131029U CN203797049U CN 203797049 U CN203797049 U CN 203797049U CN 201420131029 U CN201420131029 U CN 201420131029U CN 203797049 U CN203797049 U CN 203797049U
- Authority
- CN
- China
- Prior art keywords
- hole
- gas
- rotary spool
- suction port
- center hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 51
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Multiple-Way Valves (AREA)
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a gas valve comprising a valve body. A gas inlet and a gas outlet passage are arranged on the valve body, a valve cavity communicating the gas inlet with the gas outlet passage is arranged in the valve body, a rotary spool is arranged in the valve cavity, a center hole communicated with the gas outlet passage is formed inside one end of the rotary spool, and an accommodating hole communicated with the center hole is formed inside the other end of the rotary spool. The gas valve is characterized in that a gas output adjustable main gas passage capable of allowing gas to enter the center hole from the gas inlet is arranged on the rotary spool, and a supplementing gas passage which can communicate the gas inlet with the accommodating hole when the main gas passage communicates the gas inlet with the center hole and is used for auxiliary gas supply is further arranged in the wall of the rotary valve and on the rear side of the main gas passage. The supplementing gas passage is arranged on the rear side of the main gas passage and used for supplementing gas output of the main gas passage, so that the situation that the main gas passage cannot achieve the designed gas output due to processing dimensional deviation is avoided, and accurate adjustment of the temperature of a burner can be realized.
Description
[technical field]
The utility model relates to a kind of gas valve, especially relates to the gas valve that a kind of gas range is used.
[background technique]
The gas valve that existing gas cooker is used, in the time of processing gas inlet hole, size easily produces deviation, causes the actual gas output in air outlet and design tolerance having deviation, and therefore firepower control is comparatively coarse.
[model utility content]
The utility model object is to have overcome the deficiencies in the prior art, and a kind of many gears gas valve that can realize accurate control combustion temperature is provided.
The utility model is achieved through the following technical solutions:
A kind of gas valve, include valve body 1, on valve body 1, be provided with suction port 2 and outlet passageway 4, in described valve body 1, be provided with the valve pocket 17 that suction port 2 and outlet passageway 4 are communicated with, in valve pocket 17, be provided with rotary spool 5, described rotary spool 5 inside, one end are provided with the center hole 20 with outlet passageway 4 conductings, the other end inside is provided with the receiving bore 24 with center hole 20 conductings, described rotary spool 5 is provided with and can allows gas enter into center hole 20 from suction port 2, the main airway that gas output is adjustable, described main airway comprises multiple first inlet holes 6 that can be communicated with suction port 2 and center hole 20 that are located on rotary spool 5 walls and are arranged in order, it is characterized in that: in rotary spool 5 walls of described main airway rear side, be also provided with the supplementary air flue that can be communicated with suction port 2 and receiving bore 24 in the time that main airway is communicated with suction port 2 and center hole 20, in described receiving bore 24, be also provided with the micrometer adjusting screw 10 being connected with rotary spool 5 inner threads, energy of described micrometer adjusting screw 10 and rotary spool 5 inwalls formation is delivered to the gas that enters receiving bore 24 adjustable clearance 21 of center hole 20, described rotary spool 5 afterbodys are provided with the slewing gear that can rotate rotary spool 5.
Gas valve as above, it is characterized in that: described the first inlet hole 6 comprises the through hole of at least two blind holes and at least one and center hole 20 conductings, between adjacent blind hole and between adjacent blind hole and through hole, be provided with the first-class metering-orifice 18 being interconnected, described first-class metering-orifice 18 pore sizes are unequal.
Gas valve as above, it is characterized in that: described blind hole is four, described through hole is two, be respectively small through hole 61, large through-hole 62, multiple described first-class metering-orifices 18 are arranged in order and change from small to big in aperture, the first-class metering-orifice 18 of aperture maximum is communicated with described small through hole 61, described small through hole 61 and the mutual conducting of large through-hole 62, and the aperture of described small through hole 61 is less than the aperture of large through-hole 62.
Gas valve as above, is characterized in that: multiple described the first inlet holes 6 are with through hole and the aperture of center hole 20 conductings and change from small to big.
Gas valve as above, it is characterized in that: described supplementary air flue comprises the second inlet hole 9 of multiple settings corresponding to the first inlet hole 6, described the second inlet hole 9 comprises the through hole of at least two blind holes and at least one and receiving bore 24 conductings, is provided with the second metering-orifice 19 being interconnected between adjacent blind hole and between adjacent blind hole and through hole.
Gas valve as above, is characterized in that: described blind hole is five, and described through hole is one.
Gas valve as above, is characterized in that: on described valve body 1, be respectively equipped with and be communicated with the first gas-entered passageway 3 of main airway and suction port 2, the second gas-entered passageway 8 that connection supplements air flue and suction port 2.
Gas valve as above, is characterized in that: described slewing gear is rotating shaft 7, and described valve body 1 afterbody is provided with the valve seat 11 of fixed rotating shaft 7, and in described rotating shaft 7, cover is useful on the back-up ring 13 that rotating shaft 7 is axially fixed in to valve seat 11.
Gas valve as above, is characterized in that: described micrometer adjusting screw 10 is provided with the O shape circle 12 that prevents rotary spool 5 interior gas leaks.
Gas valve as above, is characterized in that: in described suction port 2, be provided with the sleeve 14 for connecting source of the gas, outer being provided with of described sleeve 14 prevents the outer sealing gasket 15 of letting out from suction port 2 of gas.
Compared with prior art, the utility model has the following advantages:
1, the utility model is provided with supplementary air flue at main airway rear side, for supplementing the gas output of main airway, avoids main airway not reach the gas output of design because of dimension deviation, thereby can realize the accurate adjusting to burner temperature.
2, the setting of six gears of the utility model, compare two or three gears, make in fixing temperature regulating range, each grade of adjustable temperature range is meticulousr, avoid user to select gear less than normal to cause food to be difficult to boil, or selected gear bigger than normal to cause combustion gas waste.
[brief description of the drawings]
Fig. 1 is the utility model stereogram;
Fig. 2 is the main sectional view of the utility model;
Fig. 3 is the enlarged view at I place in the utility model Fig. 1;
Fig. 4 is the novel exploded view of the utility model;
Fig. 5 is the utility model main airway schematic diagram;
Fig. 6 is the utility model auxiliary port schematic diagram;
Fig. 7 is the enlarged view of the first inlet hole and first-class metering-orifice in the utility model Fig. 5.
In figure: 1 is valve body; 2 is suction port; 3 is the first gas-entered passageway; 4 is outlet passageway; 5 is rotary spool; 6 is the first inlet hole; 61 is small through hole; 62 is large through-hole; 7 is rotating shaft; 8 is the second gas-entered passageway; 9 is the second inlet hole; 10 is micrometer adjusting screw; 11 is valve seat; 12 is O shape circle; 13 is back-up ring; 14 is sleeve; 15 is sealing gasket; 16 is spool spring; 17 is valve pocket; 18 is first-class metering-orifice; 19 is second metering-orifice; Hole centered by 20; 21 is adjustable clearance; 22 is fixture block; 23 is draw-in groove; 24 is receiving bore.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is further described:
A kind of gas valve, include valve body 1, on valve body 1, be provided with suction port 2 and outlet passageway 4, in described valve body 1, be provided with the valve pocket 17 that suction port 2 and outlet passageway 4 are communicated with, in valve pocket 17, be provided with rotary spool 5, described rotary spool 5 inside, one end are provided with the center hole 20 with outlet passageway 4 conductings, the other end inside is provided with the receiving bore 24 with center hole 20 conductings, described rotary spool 5 is provided with and can allows gas enter into center hole 20 from suction port 2, the main airway that gas output is adjustable, described main airway comprises multiple first inlet holes 6 that can be communicated with suction port 2 and center hole 20 that are located on rotary spool 5 walls and are arranged in order, in rotary spool 5 walls of described main airway rear side, be also provided with the supplementary air flue that can be communicated with suction port 2 and receiving bore 24 in the time that main airway is communicated with suction port 2 and center hole 20, in described receiving bore 24, be also provided with the micrometer adjusting screw 10 being connected with rotary spool 5 inner threads, energy of described micrometer adjusting screw 10 and rotary spool 5 inwalls formation is delivered to the gas that enters receiving bore 24 adjustable clearance 21 of center hole 20, the large I of described adjustable clearance 21 regulates by turning micrometer adjusting screw 10, described rotary spool 5 afterbodys are provided with the slewing gear that can rotate rotary spool 5.Slewing gear can make main airway, supplementary air flue be communicated with or cut out with suction port 2.Each first inlet hole 6 of described main airway represents a gear, and the gas output of each gear is different, and different gas outputs can produce again different combustion temperature, thereby can toast different food.Because the first inlet hole 6 of main airway adds man-hour can there is deviation in size, makes the gas output of outlet passageway 4 not reach design load, thus be provided with supplementary air flue at the rear side of main airway, to ensure that total gas output reaches design load.
On described valve body 1, be respectively equipped with and be communicated with the first gas-entered passageway 3 of main airway and suction port 2, the second gas-entered passageway 8 that connection supplements air flue and suction port 2.
For realizing the difference of main airway gas output, the first inlet hole 6 on rotary spool 5 can be made to various structures, as the first inlet hole 6 all made and the through hole of center hole 20 conductings, and the aperture of through hole changes from small to big, and so just can realize the ascending adjusting of gas output.Also the combination that multiple described the first inlet holes 6 can be made to blind hole and through hole, comprise the through hole of at least two blind holes and at least one and center hole 20 conductings, between adjacent blind hole and between adjacent blind hole and through hole, be provided with the first-class metering-orifice 18 being interconnected, described first-class metering-orifice 18 pore sizes are unequal.
Further, described blind hole is four, described through hole is two, be respectively small through hole 61, large through-hole 62, multiple described first-class metering-orifices 18 are arranged in order and change from small to big in aperture, the first-class metering-orifice 18 of aperture maximum is communicated with described small through hole 61, described small through hole 61 and the mutual conducting of large through-hole 62, and the aperture of described small through hole 61 is less than the aperture of large through-hole 62.This kind of mode also can ensure the adjusting that gas output is ascending.
First first inlet hole 6 is first grade, second the first inlet hole 6 is second gear, the rest may be inferred, the 6th the first inlet hole 6 is the 6th grade, this gas valve has six regulation stalls, and every next gear is all large than a upper gear gas output, and combustion temperature is corresponding to raise gradually, slewing gear rotates rotary spool 5, makes one of them first inlet hole 6 on rotary spool 5 be communicated with described the first gas-entered passageway 3.Be in the embodiment of combination of blind hole and through hole at the first inlet hole 6, in the time that the first gas-entered passageway 3 is communicated with blind hole, gas enters center hole 20 through the first gas-entered passageway 3, blind hole, first-class metering-orifice 18, through hole, finally flows out from outlet passageway 4; In the time that the first gas-entered passageway 3 is communicated with through hole, gas enters center hole 20 through the first gas-entered passageway 3, through hole, finally flows out from outlet passageway 4.Be in the embodiment of through hole at the first inlet hole 6, the same while being communicated with through hole with the first gas-entered passageway 3, gas enters center hole 20 through the first gas-entered passageway 3, through hole, finally flows out from outlet passageway 4.
The setting of six gears of the utility model, compare two or three gears, make in fixing temperature regulating range, each grade of adjustable temperature range is meticulousr, avoid user to select gear less than normal to cause food to be difficult to boil, or selected gear bigger than normal to cause combustion gas waste.
When main airway is communicated with suction port 2 and center hole 20, supplementary air flue has also been communicated with suction port 2 and receiving bore 24, supplements the helping air supply air flue of air flue as main airway, with main airway air feed simultaneously.Described supplementary air flue comprises the second inlet hole 9 of multiple settings corresponding to the first inlet hole 6, described the second inlet hole 9 comprises the through hole of at least two blind holes and at least one and receiving bore 24 conductings, is provided with the second metering-orifice 19 being interconnected between adjacent blind hole and between adjacent blind hole and through hole.
The second inlet hole 9 described in the present embodiment equates with the first inlet hole 6 quantity, specifically comprises that blind hole is five, and through hole is one.
The gas that enters into receiving bore 24 enters to center hole 24 through adjustable clearance 21, converges at center hole 24 and the gas of main airway, flows out together from outlet passageway 4.The size of described adjustable clearance 21 regulates by turning micrometer adjusting screw 10 according to the size deviation of the first inlet hole 6, and to ensure that the total gas output of outlet passageway 4 reaches design load, this adjusting is generally completed before gas valve dispatches from the factory by producer.Described micrometer adjusting screw 10 is provided with the O shape circle 12 that prevents rotary spool 5 interior gas leaks.
Above-mentioned slewing gear is rotating shaft 7, and described valve body 1 afterbody is provided with the valve seat 11 of fixed rotating shaft 7, and in described rotating shaft 7, cover is useful on the back-up ring 13 that rotating shaft 7 is axially fixed in to valve seat 11.Described valve seat 11 is connected with described valve body 1 rear end screw.Described rotary spool 5 is taper, is provided with the spool spring 16 that rotary spool 5 tops is pressed in to valve body 1 inwall between valve seat 11 and rotary spool 5 afterbodys.The end that valve seat 11 is stretched in described rotating shaft 7 is provided with fixture block 22, is also provided with draw-in groove 23 in the end of rotary spool 5, and described fixture block 22 is located in draw-in groove 23, rotates for stirring rotary spool 5.
In described suction port 2, be provided with the sleeve 14 for connecting source of the gas, sleeve 14 is provided with strip gab, make sleeve 14 have certain stretchability, by cold hobbing, sleeve 14 is fixed in suction port 2, gas enters into the first gas-entered passageway 3 and the second gas-entered passageway 8 by sleeve 14.The outer sealing gasket 15 that prevents that gas from leaking from gas-entered passageway that is also provided with of sleeve 14.
Claims (10)
1. a gas valve, include valve body (1), on valve body (1), be provided with suction port (2) and outlet passageway (4), in described valve body (1), be provided with the valve pocket (17) of suction port (2) and outlet passageway (4) connection, in valve pocket (17), be provided with rotary spool (5), described rotary spool (5) inside, one end is provided with the center hole (20) with outlet passageway (4) conducting, the other end inside is provided with the receiving bore (24) with center hole (20) conducting, described rotary spool (5) is provided with and can allows gas enter into center hole (20) from suction port (2), the main airway that gas output is adjustable, described main airway comprises multiple first inlet holes (6) that can be communicated with suction port (2) and center hole (20) that are located on rotary spool (5) wall and are arranged in order, it is characterized in that: in rotary spool (5) wall of described main airway rear side, be also provided with the supplementary air flue that can be communicated with suction port (2) and receiving bore (24) in the time that main airway is communicated with suction port (2) and center hole (20), in described receiving bore (24), be also provided with the micrometer adjusting screw (10) being connected with rotary spool (5) inner thread, energy of described micrometer adjusting screw (10) and the formation of rotary spool (5) inwall is delivered to the gas that enters receiving bore (24) adjustable clearance (21) of center hole (20), described rotary spool (5) afterbody is provided with the slewing gear that can rotate rotary spool (5).
2. gas valve according to claim 1, it is characterized in that: described the first inlet hole (6) comprises the through hole of at least two blind holes and at least one and center hole (20) conducting, between adjacent blind hole and between adjacent blind hole and through hole, be provided with the first-class metering-orifice (18) being interconnected, described first-class metering-orifice (18) pore size is unequal.
3. gas valve according to claim 2, it is characterized in that: described blind hole is four, described through hole is two, be respectively small through hole (61), large through-hole (62), multiple described first-class metering-orifices (18) are arranged in order and change from small to big in aperture, the first-class metering-orifice (18) of aperture maximum is communicated with described small through hole (61), the conducting mutually of described small through hole (61) and large through-hole (62), and the aperture of described small through hole (61) is less than the aperture of large through-hole (62).
4. gas valve according to claim 1, is characterized in that: multiple described the first inlet holes (6) are with through hole and the aperture of center hole (20) conducting and change from small to big.
5. gas valve according to claim 1 and 2, it is characterized in that: described supplementary air flue comprises second inlet hole (9) of multiple settings corresponding to the first inlet hole (6), described the second inlet hole (9) comprises the through hole of at least two blind holes and at least one and receiving bore (24) conducting, is provided with the second metering-orifice (19) being interconnected between adjacent blind hole and between adjacent blind hole and through hole.
6. gas valve according to claim 5, is characterized in that: described blind hole is five, and described through hole is one.
7. gas valve according to claim 1, is characterized in that: on described valve body (1), be respectively equipped with and be communicated with first gas-entered passageway (3) of main airway and suction port (2), the second gas-entered passageway (8) that connection supplements air flue and suction port (2).
8. gas valve according to claim 1, it is characterized in that: described slewing gear is rotating shaft (7), described valve body (1) afterbody is provided with the valve seat (11) of fixed rotating shaft (7), and the upper cover of described rotating shaft (7) is useful on the back-up ring (13) that rotating shaft (7) is axially fixed in to valve seat (11).
9. gas valve according to claim 1, is characterized in that: described micrometer adjusting screw (10) is provided with the O shape circle (12) that prevents the interior gas leak of rotary spool (5).
10. gas valve according to claim 1, is characterized in that: in described suction port (2), be provided with the sleeve (14) for connecting source of the gas, outer being provided with of described sleeve (14) prevents the outer sealing gasket (15) of letting out from suction port (2) of gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420131029.9U CN203797049U (en) | 2014-03-22 | 2014-03-22 | Gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420131029.9U CN203797049U (en) | 2014-03-22 | 2014-03-22 | Gas valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203797049U true CN203797049U (en) | 2014-08-27 |
Family
ID=51379260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420131029.9U Expired - Lifetime CN203797049U (en) | 2014-03-22 | 2014-03-22 | Gas valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203797049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883760A (en) * | 2014-03-22 | 2014-06-25 | 广东长青（集团）股份有限公司 | Gas valve |
-
2014
- 2014-03-22 CN CN201420131029.9U patent/CN203797049U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883760A (en) * | 2014-03-22 | 2014-06-25 | 广东长青（集团）股份有限公司 | Gas valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200819 Address after: 528400 No. 42, South 1, Industrial Avenue, Xiaolan Town, Guangdong, Zhongshan Patentee after: Changqing thermal energy technology (Zhongshan) Co.,Ltd. Address before: 528415 No. 42, South Industrial Avenue, Zhongshan, Guangdong Patentee before: GUANGDONG CHANT Group Inc. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
|
| CX01 | Expiry of patent term |