CN201902620U - Fuel gas regulating valve for gas stove - Google Patents
Fuel gas regulating valve for gas stove Download PDFInfo
- Publication number
- CN201902620U CN201902620U CN2010206721434U CN201020672143U CN201902620U CN 201902620 U CN201902620 U CN 201902620U CN 2010206721434 U CN2010206721434 U CN 2010206721434U CN 201020672143 U CN201020672143 U CN 201020672143U CN 201902620 U CN201902620 U CN 201902620U
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- fuel gas
- valve
- regulating
- spool
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Abstract
The utility model relates to a fuel gas regulating valve for a gas stove, which is used for solving the problem that a fuel gas regulating valve with a large regulating range and a good regulating property does not exist at present. The fuel gas regulating valve comprises a valve body, a valve core and a regulating shaft, wherein the valve body is provided with a primary fuel gas channel and a secondary fuel gas channel; the valve core is arranged in the valve body; the regulating shaft is connected with the valve core; the valve core has a conical valve structure; the wall face of the valve core is provided with a row of primary regulating structures consisting of a plurality of primary regulating holes and a row of secondary regulating structures consisting of a plurality of secondary regulating holes; and the primary regulating structures and the secondary regulating structures are matched with the primary fuel gas channel and the secondary fuel gas channel respectively. The fuel gas regulating valve is characterized in that: the pore diameters of the primary regulating holes gradually decrease from front to back; the offsets between the primary regulating holes and the primary fuel gas channel gradually increase from front to back; the pore diameters of the secondary regulating holes gradually decrease from front to back; and the offsets between the secondary regulating holes and the secondary fuel gas channel gradually increase from front to back. The fuel gas regulating valve has a reasonable design, a large regulating range and a good regulating property, and fuel gas regulating accuracy and balance can be enhanced.
Description
Technical field
The utility model relates to a kind of gas control valve, especially relates to a kind of gas control valve that is used for gas range, belongs to parts in the gas range.
Background technique
The gas control valve that is used for gas range comprises one or more valve bodies; this valve body adopts cone valve structure usually; consider for secure context; present cone valve all has the safety valve that is used for blowout protection; wherein safety valve is positioned at the front end of fuel gas path; cone valve is positioned at the rear end of fuel gas path, opens the safety-valve by pushing the valve rod that is positioned at the cone valve top during ignition operation, and rotary valve rod is opened the fuel gas path of cone valve then.Existing cone valve is typically provided with main fuel gas path and secondary fuel gas path, these two fuel gas paths are separate and adjustable, main fuel gas path and secondary fuel gas path are respectively applied for the outer ring firepower and the inner ring firepower of control burner, to reach bigger firepower regulation range.The wall of existing spool is provided with the main regulation structure and that a row is made up of several homophony knotholes and arranges the secondary regulation structure of being made up of several secondary adjustment holes, main regulation structure and secondary regulation structure are complementary with main fuel gas path and secondary fuel gas path respectively, there is not off normal between several homophony knotholes and the main fuel gas path, also do not have off normal between several secondary adjustment holes and the secondary fuel gas path, existing spool as shown in Figure 1.
The automatic regulating valve door that is used for gas range at present is to adopt stepper motor to drive on the basis of cone valve, because the heterogeneity of stopcock self control characteristic, and problems such as machining accuracy, conformity, mechanical wear are difficult to overcome, thereby can't produce the high-end flame regulating valve door continuously automatically above the manual tune characteristic.Even the hole in a plurality of different apertures is set on the circumference of cock spool, also can only produces the sectional-regulated valve of 5-6 shelves at present, thereby bring some inconvenience for exploitation and the use of regulating gas cooker automatically.
Gas valve behind some structure improvements is also arranged now, as open day was on 01 07th, 2009, publication number is in the Chinese patent of CN101338914, disclose a kind of gas valve, this gas valve comprises valve body, valve seat, spool and rotating shaft, and valve seat is equipped with conducting plate, be provided with felt pad between conducting plate and the valve seat, one metal contact is installed in the rotating shaft,, can not improves precision and equilibrium degree that combustion gas is regulated though this gas valve can be realized the jet firing mode in igniting back earlier.Open for another example day is on 01 07th, 2009, publication number is in the Chinese patent of CN101338820, a kind of gas valve of valve core structure improvement is disclosed, the gas valve of this valve core structure improvement comprises valve body, valve seat, hollow rotating shaft and the spool of forming by outer spool and inner spool, outer spool is provided with big fire inlet hole and low baking temperature inlet hole, inner spool is provided with two and above flow restriction hole of corresponding different combustion gas respectively, instruments such as the nozzle of replacing correspondence and use screw-driver directly rotate inner spool from the through hole of rotating shaft when the conversion combustion gas, make the connection of the low baking temperature inlet hole on the corresponding flow limiting holes and outer spool on the inner spool, the gas flow that realizes big fire is limited by the aperture of nozzle, the gas flow of low baking temperature is limited by corresponding flow hole on the inner spool, but the gas valve of this valve core structure improvement can not improve precision and the equilibrium degree that combustion gas is regulated.
In sum, do not have also at present that a kind of regulation range is big, control characteristic good, can improve the precision that combustion gas regulates and the gas control valve that is used for gas range of equilibrium degree.
The model utility content
The purpose of this utility model is to overcome above shortcomings in the prior art, and a kind of reasonable in design is provided, easy to manufacture, regulation range is big, control characteristic is good, can improve the precision of combustion gas adjusting and the gas control valve that is used for gas range of equilibrium degree.
The technical scheme in the invention for solving the above technical problem is: this gas control valve that is used for gas range comprises valve body, spool, adjusting axle and spool stage clip, described spool is the mitre velve structure, this spool is installed in the valve body, described adjusting axle is connected with spool, described valve body is provided with main fuel gas path and secondary fuel gas path, described spool stage clip is arranged in valve body, this spool stage clip matches with spool, the wall of described spool is provided with the main regulation structure and that a row is made up of several homophony knotholes and arranges the secondary regulation structure of being made up of several secondary adjustment holes, this main regulation structure and secondary regulation structure are complementary with main fuel gas path and secondary fuel gas path respectively, its characteristics are: the aperture in described several homophony knotholes dwindles from front to back gradually, off normal between these several homophony knotholes and the main fuel gas path enlarges from front to back gradually, aperture in described several secondary adjustment holes dwindles from front to back gradually, and the off normal between this several secondary adjustment hole and the secondary fuel gas path enlarges from front to back gradually.
In several homophony knotholes described in the utility model, several homophony knotholes that are positioned at the back are the heavy stand hole structure.
In several secondary adjustment holes described in the utility model, several secondary adjustment holes that are positioned at the back are the heavy stand hole structure.
The oppositely structure of projection of porose edge is set in the heavy stand hole structure described in the utility model.
Gas control valve described in the utility model also comprises stepper motor, and this stepper motor is connected with adjusting axle.
Be provided with keeper electrode in the valve body described in the utility model.
The entry end of valve body described in the utility model is provided with safety valve.
The safety valve of valve body entry end described in the utility model is self-priming safety valve.
The utility model compared with prior art, have the following advantages and effect: spool and valve body have been formed the firepower regulation structure, spool can be realized opening and closing operations and firepower adjusting operation to main fuel gas path in the valve body and secondary fuel gas path under the driving of adjusting axle, combustion gas enters valve core inside by the valve body inlet, enters respectively in main fuel gas path and the secondary fuel gas path by homophony knothole and secondary adjustment hole.Spool adopts the mitre velve structure, be distributed with the main regulation structure and that a row is made up of several homophony knotholes along the conical surface and arrange the secondary regulation structure of forming by several secondary adjustment holes, this main regulation structure and secondary regulation structure can be regulated the gas flow of main fuel gas path and secondary fuel gas path respectively, several secondary adjustment holes that several homophony knotholes and in one row's main regulation structure are arranged in the secondary regulation structure are not simple parallel being distributed on the taper valve core, and several homophony knotholes become off normal in various degree to distribute with main fuel gas path respectively with several secondary adjustment holes with secondary fuel gas path; The off normal minimum of the homophony knothole of aperture maximum and main fuel gas path outlet wherein, the off normal maximum that the homophony knothole of aperture minimum and main fuel gas path export; The off normal minimum of the secondary adjustment hole of aperture maximum and the outlet of secondary fuel gas path, the off normal maximum of the secondary adjustment hole of aperture minimum and the outlet of secondary fuel gas path.
The vent that the utility model will be usually located at mitre velve valve body and spool sustained height carries out off normal up and down in various degree, be about to carry out off normal between several homophony knotholes and the main fuel gas path, carry out off normal between several secondary adjustment holes and the secondary fuel gas path, thereby the area of passage that increases single hole when spool is along the circumferential direction rotated changes the uniformity and controllability, and the off normal hole has good advantage aspect the area of passage variation uniformity that increases single hole and the controllability.
Mitre velve spool of the present utility model is provided with several homophony knotholes and several secondary adjustment holes, and the aperture in several homophony knotholes dwindles from front to back gradually, and the off normal between these several homophony knotholes and the main fuel gas path enlarges from front to back gradually; Aperture in several secondary adjustment holes dwindles from front to back gradually, and the off normal between this several secondary adjustment hole and the secondary fuel gas path enlarges from front to back gradually.If the aperture of homophony knothole on the spool and secondary adjustment hole respectively with valve body on the main fuel gas path and the aperture of secondary fuel gas path suitable, the off normal hole structure in the utility model has tangible adjusting advantage.If the aperture of homophony knothole on the spool and secondary adjustment hole is significantly less than the main fuel gas path on the valve body and the aperture of secondary fuel gas path respectively, the influence because of machining accuracy, processing conformity etc. will make the advantage of off normal hole structure lose gradually; The seal gease that plays simultaneously seal action in mitre velve also may enter homophony knothole and secondary adjustment hole, thereby has influence on degree of regulation; Therefore, for aperture less homophony knothole and secondary adjustment hole, the utility model has adopted the structure in heavy stand hole, on the one hand, guarantee that homophony knothole and secondary adjustment hole that the aperture is less still can keep the distinctive control characteristic advantage of off normal adjustment hole structure, on the other hand, utilize the heavy stand hole structure can effectively take in unnecessary seal gease, enter in homophony knothole and the secondary adjustment hole to avoid seal gease.When the aperture of homophony knothole and secondary adjustment hole in the utility model further diminishes, general heavy stand hole structure also may be difficult to guarantee the control characteristic advantage of off normal adjustment hole structure, so the utility model is oppositely protruding with the aperture edge in the heavy stand hole on the basis of heavy stand hole structure, further improve the adjusting function of off normal adjustment hole structure by the height of the control heavy stand degree of depth and aperture lug boss.
Homophony knothole in the utility model spool and secondary adjustment hole respectively with valve body in main fuel gas path and secondary fuel gas path adopt the design of off normal hole structure, be aided with the heavy stand small structure, have desirable adjusting angle thereby make the same area of passage change, improved precision and equilibrium degree that combustion gas is regulated greatly.When adopting the Single-chip Controlling stepper motor to drive, can give full play to the high advantage of step motor control precision; When on valve body, increasing keeper electrode, can adopt software to eliminate the cumulative error that stepper motor produces at operation process repeatedly.
Automatic gas stove of the present utility model is installed realizes surpassing the effect of general manual continuous adjusting, improved the design level and the product specification of automatic adjusting gas range greatly.
Novel structure of the present utility model, scientific arrangement, easy to process, adjusting function is superior, can improve precision and equilibrium degree that combustion gas is regulated, helps promoting the overall performance of gas range.
Description of drawings
Fig. 1 is the structural representation of spool in the prior art.
Fig. 2 is the structural representation that is used for the gas control valve of gas range among the utility model embodiment.
Fig. 3 is the sectional structure schematic representation of spool among the utility model embodiment.
Fig. 4 is positioned at the homophony knothole on the spool and the structural representation of secondary adjustment hole after spool launches among the utility model embodiment.
Fig. 5 is the off normal hole structure among the utility model embodiment has advantage aspect degree of regulation a structural representation.
Fig. 6 is the heavy stand hole structure among the utility model embodiment has advantage aspect degree of regulation a structural representation.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment:
Referring to Fig. 2 to Fig. 6, the gas control valve that is used for gas range in the present embodiment comprises valve body 1, spool 2, adjusting axle 3, spool stage clip 4 and stepper motor, wherein, spool 2 is the mitre velve structure, this spool 2 is installed in the valve body 1, adjusting axle 3 is connected with spool 2, and stepper motor is connected with adjusting axle 3.
Be provided with keeper electrode in the valve body 1 of present embodiment, have attachment screw on this keeper electrode; Entry end at valve body 1 is provided with safety valve, and this safety valve adopts self-priming safety valve, and valve body 1 is provided with main fuel gas path and secondary fuel gas path.Spool stage clip 4 in the present embodiment is arranged in valve body 1, and this spool stage clip 4 matches with spool 2.
The wall of present embodiment spool 2 is provided with the main regulation structure and that a row is made up of several homophony knotholes 5 and arranges the secondary regulation structure of being made up of several secondary adjustment holes 6, and this main regulation structure and secondary regulation structure are complementary with main fuel gas path and secondary fuel gas path respectively.Aperture in several homophony knotholes 5 dwindles from front to back gradually, and promptly the aperture in several homophony knotholes 5 dwindles successively, and the off normal between these several homophony knotholes 5 and the main fuel gas path enlarges from front to back gradually; Aperture in several secondary adjustment holes 6 dwindles from front to back gradually, and promptly the aperture in several secondary adjustment holes 6 dwindles successively, and the off normal between this several secondary adjustment hole 6 and the secondary fuel gas path enlarges from front to back gradually.The utility model said herein " from front to back " is common practise to one skilled in the art, " from front to back " in the utility model can be set to " from left to right " or " from right to left " according to the adjusting direction of spool 2, and this also is common practise to one skilled in the art.
In several homophony knotholes 5 of present embodiment, several homophony knotholes 5 that are positioned at the back are the heavy stand hole structure; The oppositely structure of projection of porose edge is set in this heavy stand hole structure.In several secondary adjustment holes 6, several secondary adjustment holes 6 that are positioned at the back are the heavy stand hole structure, and the oppositely structure of projection of porose edge is set in this heavy stand hole structure.
The regulation range of gas control valve is big in the present embodiment, and control characteristic is good, can improve precision and equilibrium degree that combustion gas is regulated, as shown in Figure 5, the structural representation when the A group is regulated for plain bore in the prior art carries out displacement is when carrying out the displacement adjusting, step pitch is little, and precision is low; Structural representation when the B group is carried out the displacement adjusting for the eccentric opening structure in the present embodiment, when carrying out the displacement adjusting, step pitch is big, the precision height.Again as shown in Figure 6, the structural representation when the C group is regulated for common heavy stand hole in the prior art, when carrying out the displacement adjusting, step pitch is little, and precision is low; Structural representation when D group and E group are carried out displacement and regulated for eccentric opening structure in the present embodiment and heavy stand hole structure, when carrying out the displacement adjusting, step pitch is big, and the precision height can reach the purpose of meticulous adjusting.
In the main regulation structure of present embodiment, the off normal minimum of a homophony knothole 5 of aperture maximum and the outlet of main fuel gas path, and the off normal maximum of a homophony knothole 5 of aperture minimum and the outlet of main fuel gas path, and the aperture of homophony knothole 5 is to dwindle gradually from front to back in the main regulation structure, and promptly homophony knothole 5 is to enlarge gradually from front to back with the off normal that main fuel gas path exports in the main regulation structure.In the secondary regulation structure of present embodiment, a secondary adjustment hole 6 of aperture maximum and the off normal minimum of secondary fuel gas path outlet, and the off normal maximum of a secondary adjustment hole 6 of aperture minimum and the outlet of secondary fuel gas path, and the aperture of secondary adjustment hole 6 is to dwindle gradually from front to back in the secondary regulation structure, and secondary adjustment hole 6 is to enlarge gradually from front to back with the off normal of secondary fuel gas path outlet in the promptly secondary regulation structure.The heavy stand hole structure that part aperture in main regulation structure and secondary regulation structure adopts.
The utility model can adopt when the adjusting that is in main fuel gas path during the stage, and the sectional area of secondary fuel gas path is constant, and after main fuel gas path was closed, secondary fuel gas path carries out firepower more from big to small to be regulated; The utility model also can adopt secondary fuel gas path to change simultaneously with the adjusting of main fuel gas path, and secondary fuel gas path is finished whole firepower adjustings more from big to small after main fuel gas path is closed in advance.Control characteristics different between main fuel gas path and the secondary fuel gas path are not features of the present utility model, as long as adopted the content of the claim of the utility model opinion, no matter adopt any control characteristic all to be considered as having invaded claim of the present utility model.
The self-priming valve that adopts in the present embodiment is a kind of self-priming safety valve, has also constituted the dual cut-out function of fuel gas path except the effect with safety valve with stopcock.No matter whether used safety valve is self-priming, as long as adopted the content of the claim of the utility model opinion all to be considered as having invaded claim of the present utility model.
Need to prove, said in the utility model " off normal " is meant that the central position in two holes can not be overlapping, such as, off normal between homophony knothole 5 and the main fuel gas path is meant that the homophony knothole 5 and the central point of main fuel gas path can not be overlapping, off normal between homophony knothole 5 and the main fuel gas path is big more, illustrates that the distance between the center of the center of homophony knothole 5 and main fuel gas path is far away more; For another example, off normal between secondary adjustment hole 6 and the secondary fuel gas path is meant that the secondary adjustment hole 6 and the central point of secondary fuel gas path can not be overlapping, off normal between secondary adjustment hole 6 and the secondary fuel gas path is big more, illustrates that the distance between the center of the center of secondary adjustment hole 6 and secondary fuel gas path is far away more.
Above content described in this specification only is to the explanation of the utility model structure example.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount the defined scope of these claims, all should belong to protection domain of the present utility model.
Claims (8)
1. gas control valve that is used for gas range, comprise valve body, spool, adjusting axle and spool stage clip, described spool is the mitre velve structure, this spool is installed in the valve body, described adjusting axle is connected with spool, described valve body is provided with main fuel gas path and secondary fuel gas path, described spool stage clip is arranged in valve body, this spool stage clip matches with spool, the wall of described spool is provided with the main regulation structure and that a row is made up of several homophony knotholes and arranges the secondary regulation structure of being made up of several secondary adjustment holes, this main regulation structure and secondary regulation structure are complementary with main fuel gas path and secondary fuel gas path respectively, it is characterized in that: the aperture in described several homophony knotholes dwindles from front to back gradually, off normal between these several homophony knotholes and the main fuel gas path enlarges from front to back gradually, aperture in described several secondary adjustment holes dwindles from front to back gradually, and the off normal between this several secondary adjustment hole and the secondary fuel gas path enlarges from front to back gradually.
2. the gas control valve that is used for gas range according to claim 1 is characterized in that: in described several homophony knotholes, several homophony knotholes that are positioned at the back are the heavy stand hole structure.
3. the gas control valve that is used for gas range according to claim 1 is characterized in that: in described several secondary adjustment holes, several secondary adjustment holes that are positioned at the back are the heavy stand hole structure.
4. according to claim 2 or the 3 described gas control valves that are used for gas range, it is characterized in that: the oppositely structure of projection of porose edge is set in the described heavy stand hole structure.
5. according to claim 1 or the 2 or 3 described gas control valves that are used for gas range, it is characterized in that: described gas control valve also comprises stepper motor, and this stepper motor is connected with adjusting axle.
6. the gas control valve that is used for gas range according to claim 5 is characterized in that: be provided with keeper electrode in the described valve body.
7. according to claim 1 or the 2 or 3 described gas control valves that are used for gas range, it is characterized in that: the entry end of described valve body is provided with safety valve.
8. the gas control valve that is used for gas range according to claim 7 is characterized in that: the safety valve of described valve body entry end is self-priming safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206721434U CN201902620U (en) | 2010-12-21 | 2010-12-21 | Fuel gas regulating valve for gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206721434U CN201902620U (en) | 2010-12-21 | 2010-12-21 | Fuel gas regulating valve for gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201902620U true CN201902620U (en) | 2011-07-20 |
Family
ID=44273214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206721434U Expired - Fee Related CN201902620U (en) | 2010-12-21 | 2010-12-21 | Fuel gas regulating valve for gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201902620U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062237A (en) * | 2010-12-21 | 2011-05-18 | 浙江德意厨具有限公司 | Gas regulating valve for gas cooker |
| CN103883760A (en) * | 2014-03-22 | 2014-06-25 | 广东长青（集团）股份有限公司 | Gas valve |
-
2010
- 2010-12-21 CN CN2010206721434U patent/CN201902620U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062237A (en) * | 2010-12-21 | 2011-05-18 | 浙江德意厨具有限公司 | Gas regulating valve for gas cooker |
| CN102062237B (en) * | 2010-12-21 | 2012-05-02 | 浙江德意厨具有限公司 | Gas regulating valve for gas cooker |
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20161221 |