CN1083076C - A valve arrangement for a burner device - Google Patents
A valve arrangement for a burner device Download PDFInfo
- Publication number
- CN1083076C CN1083076C CN94100298A CN94100298A CN1083076C CN 1083076 C CN1083076 C CN 1083076C CN 94100298 A CN94100298 A CN 94100298A CN 94100298 A CN94100298 A CN 94100298A CN 1083076 C CN1083076 C CN 1083076C
- Authority
- CN
- China
- Prior art keywords
- valve
- opening
- inwall
- valve body
- seat
- 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 - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding And Controlling Fuel (AREA)
- Lift Valve (AREA)
- Magnetically Actuated Valves (AREA)
- Valve Housings (AREA)
Abstract
A valve for a combustion apparatus comprises a cast safety valve body, a valve hole formed at the body, a valve seat surrounding a safety valve port 56 formed in an inner part of the hole, and a valve disc inserted into the hole to switch the port in contact with the seat, wherein the hole is tapered to be larger at an inlet side, and the seat is a cast surface.
Description
The present invention relates to a kind of valve member that is applicable to the firing unit of vaporized fuel, this burner device is located at one in the vaporized fuel supply passage that for example gas cooking kitchen range or similar devices use.
In the control valve unit that is used for a burner apparatus (being located at a vaporized fuel supply passage) of prior art, valve body is by forge making, and valve seat and O shape circle mating surface are to form by milling.These component need very high dimensional accuracy.
Yet the milling operation needs long time and produces a lot of scrap.Even in subsequent treatment, it is washed the also very difficult scrap that removes fully.
In addition, produce bubble during owing to the forging valve body, when milling valve seat and O shape circle mating surface, bubble just often appears on these surfaces.This will make O shape circle and O shape enclose the seal failure between the mating surface with certain incidence rate.
For avoiding above-mentioned defective, it has been generally acknowledged that being necessary integrally to cast whole valve body.Yet casting process be difficult to guarantee high dimensional accuracy, thereby and might make it to be out of shape unfriendly when taking out valve body from a die casting mould and further reduce dimensional accuracy.Here it is why in the related industries field forging process of integral production whole valve body drop into the actual reason of using as yet.
So one of them purpose of the present invention provides a kind of valve member that is applicable to the burner device of vaporized fuel, it can integrally make whole valve body by casting process, and does not adopt the milling operation.
According to the present invention, a kind of valve member that is applicable to the burner device of vaporized fuel is provided, comprising: a kind of valve member that is applicable to the burner device of vaporized fuel comprises: a valve body of only making by casting process; One is located at the valve opening on the valve body; One valve seat around the primary valve setting, this valve port is arranged on a deep end of valve opening; One be located in the valve opening with the valve seat engagement so that open and close the inwall of primary valve; Thereby the inwall of valve opening little by little radially enlarges towards the one opening end and forms a taper surface, and in the casting valve body by means of an outer surface of the integrally formed valve seat of casting process; Joint office between valve seat and valve opening inwall is provided with a corner part; The tapering of the conical surface of valve opening inwall is in the scope of 1.0-5.0 degree; The radius of curvature of corner part is in the scope of 0.25mm-2.0mm.
According to a further aspect in the invention, provide a kind of valve member that is applicable to the burner device of vaporized fuel, wherein the opening end of the inwall of valve opening forms taper by casting process, to form O shape circle Surface of action, is equipped with O shape figure on it hermetically.
Adopt that this to have the valve opening and the valve seat outer surface that enlarge gradually towards its opening end be the valve body that forms by casting process, just might from swage, easily take out valve body.So just might when it is taken out, reduce its distortion as far as possible from mould, thereby accurately determine the position of valve seat, and guarantee the high planeness of valve base surface simultaneously.So just can be only by cast inblock operation mass production valve body, the cost that this cast inblock operation can be lower in the related industries field drops into actual use satisfactorily.
Employing is located at the corner part of joint between valve seat and the valve opening inwall, and corner part has predetermined radius of curvature, just might more easily take out valve body after casting process is finished from mould.
Employing, just can not adopted any milling operation and O shape circle and taper face seal ground are meshed on the taper surface that an opening end of the inwall of valve opening forms by casting process.This just makes it to get rid of the necessity of handling scrap and the appearance of bubble.
Below with reference to figure.These and other objects of the present invention are described in more detail, aspect and embodiment, in the accompanying drawing:
Fig. 1 is the longitudinal section of a burner device, and valve member promptly is located at wherein according to an embodiment of the invention:
Fig. 2 is a longitudinal section, shows the air regulating device that is used for kitchen range, promptly is located at wherein according to the valve member of the embodiment of the invention:
Fig. 3 is the plane view of kitchen range, promptly is located at wherein according to the valve member of the embodiment of the invention:
Fig. 4 is the longitudinal section according to the Safety valve body of the embodiment of the invention;
Fig. 5 be according to the plane view of the Safety valve body of the embodiment of the invention and
Fig. 6 is the side view according to the Safety valve body of the embodiment of the invention.
With reference to the Fig. 2 and 3 that shows the air regulating device 100 of firing unit, this firing unit is suitable for burning such as LNG Liquefied natural gas, kerosene, oil, the vaporized fuel of light or heavy oil and so on, air regulating device 100 is regulated the fuel gas quantity that supplies to cooking kitchen range 200.The master burner 201 and one that kitchen range 200 have a circle is located at the auxiliary burner 202 in the master burner 201.Air regulating device 100 has a valve assembly 1.In valve assembly 1, be provided with a main nozzle 11 and a pilot jet 12, in order to pass through first and second control valves 13,14 supply to master burner 201 and auxiliary burner 202 with gaseous fuel, 13,14 fuel gas quantity that supply to main nozzle and pilot jet 11 and 12 in order to adjusting of first and second control valves.With the amount of gas of control flows, operate second control valve 14 with the amount of gas of control flows by a linkage mechanism that is connected with fuel supply adjustable lever 15 16 by a fuel supply adjustable lever 15 operations first control valve 13 simultaneously to pilot jet 12 to main nozzle 11.In the upstream of first and second control valves 13,14, be provided with a main valve 2, and be provided with an electromagnetic valve 3 in the upstream of main valve 2.
Simultaneously valve assembly 1 has a valve body 4, and valve body 4 is made of aluminum alloy die casting, and has a Safety valve body 5 that is firmly attached to valve body 4.As shown in Figure 1, 2, the main valve body 41 of main valve 2 is located at the upstream of valve assembly 1 integratedly.
In the upstream (left side among the figure) of air-flow, main valve body 41 has the valve opening 42 that a diameter increases, and it has the inwall of one one-tenth taper, strengthens gradually towards its opening end.In the downstream of air-flow, main valve body 41 has-air-flow path 43, is provided with a valve rod supporting cylinder body 44 in it, and its diameter is less relatively.43 of main valve body 41 and air-flow paths, be provided with a valve seat 45, its core is connected in primary valve 46.
The tapering of the inwall of valve opening 42 (α) is 4 degree, and when making valve body 4 by casting process-body ground, usefulness milling operation qualification valve seat 45.Joint between the inwall of valve seat 45 and valve opening 42 is provided with a corner part 45a, and its radius of curvature (R) is 2.0mm.In main valve body 41, be provided with an O shape circle mating surface 47 in the open end of the inwall of valve opening 42.Make 47 one-tenth tapers of O shape circle mating surface placed on it hermetically an O shape is enclosed 48.Outer surface at the opening end of main valve body 41 is provided with a flange 49, as the part that is connected with electromagnetic valve 3.On the other hand, the outer end of valve rod supporting cylinder body 44 is as the part that is connected with operating mechanism.
Main valve 2 has a valve rod 21 that passes the center of main valve body 41.In order to open and close primary valve 46, a main valve spare 22 is fixed on the middle part of valve rod 21 by means of a chip shield 23.One resets helical spring between chip shield 23 and Safety valve body 5, as hereinafter will describe in detail in order to flexibly to oppress valve rod 21 towards the direction of arrow (Ar).By means of a seal arrangement 25, valve rod 21 is supported in the valve rod supporting cylinder body 44 slidably.
Electromgnetic seat valve body 3 has the Safety valve body 5 that is installed on the main valve body 41.On the outer surface of electromagnetic valve 3, be fixed with a cover plate 61, it is connected in the opposite side of Safety valve body 5.Electromagnetic valve 3 also has a solenoid valve 6 in Safety valve body 5, and has an outlet 62 that is fixed on the cover plate 61.
Shown in Fig. 4-6, Safety valve body 5 has an end as lower cylinder body part 52, and lower cylinder body part 52 has a corresponding flange 51 that is connected airtightly by O shape circle 48 and flange 49.The opposite side of Safety valve body 5 has a valve opening 50, and its inwall has a taper cylinder body 53, so that solenoid valve 6 is contained in wherein.Taper cylinder body 53 has an opening end, defines an O shape circle mating surface 54 on it.Between lower cylinder body part 52 and taper cylinder body 53, be provided with a valve seat 55 and a relief valve port 56.On the outside of taper cylinder body 53, be provided with a transverse holes 57, to be connected (being shown among Fig. 3) with an air supply pipe 17.
Consider the structure of Safety valve body 5, the tapering of valve opening 42 (α) is necessary greater than 1.0 degree but spend less than 5 in the reality.Preferably require the tapering (β) of O shape circle mating surface 54 (47) to spend greater than 60, but less than 120 degree.And it is necessary that the corner part 45a (50a) between the inwall of valve opening 42 (50) and the valve seat 45 (55) has the curved bar radius greater than 0.25mm, so that take out core bar smoothly.Consider ring-shaped valve seats from structure, the upper limit of radius of curvature is about 2.0mm.
At the valve member that is used for burner device of prior art, valve seat and O shape circle mating surface are will carry out carrying out under the mach prerequisite die casting by the milling operation in the subsequent treatment at these component.For this reason, do not adopt the anti-deforming measure, like this tapering (α) and (β) be exactly about 1 the degree and the 150-180 degree.After taking out core bar, just often make Safety valve body make us being difficult to accepting the ground distortion like this, cause losing high dimensional accuracy from Safety valve body.
As shown in Figure 1, solenoid valve 6 has a tubular electromagnet 63 that is fixed on cover plate 61 inboards.In electromagnet 63, be provided with a cock body 64, the one end has the axially rubber valve body 65 of compressing of helical spring 66 that is reset.One O shape circle 67 is placed between cover plate 61 and the O shape circle mating surface 54 hermetically.
In solenoid valve 6, the electromagnet of energising 63 can retracted for clearance helical springs 66, and so that cock body 64 is remained within the electromagnet 63, and the compressing power effect of the electromagnet 63 of outage by the helical spring 66 that resets makes cock body 64 release electromagnet 63.
On a side of valve rod supporting mass 44, be fixed with an ignition operating mechanism 7, to open, close to valve 2, and set, preset electromagnetic valve 3.Ignition operating mechanism 7 has a setting device 71 that is fixed on valve rod 21 and the valve rod supporting cylinder body 44.Setting device 71 has Returnning spring 74 and microswitch 75 of a housing 72, one buttons 73, one buttons 73.
In ignition operating mechanism 7, in case press push button 73 dearly, move along the opposite direction of arrow (Ar) respectively with regard to making valve rod 21 and cock body 64 on the top of button 73, shown in Figure 1 as in the accompanying drawing.Main valve spare 22 and rubber valve body 65 are moved to open primary valve 46 and safe valve opening 56.The downforce of release-push 73 might make it stop at the neutral position and open to keep primary valve 46, and inform that we are depressed by button 73.
Combine with the following press operation of button 73, kitchen range 200 by igniting improving the electromotive force of a thermoelectric couple, thereby attract cock bodys 64 to open with magnetic force towards electromagnet 63 to keep electromagnetic valve 3.
In case press push button 73 once more, thereby button 73 just retracts the home position and cuts out primary valve 46 to extinguish kitchen range 200 from middle position.Extinguish the electric power that operation just might reduce thermoelectric couple, thus mobile cock body 64, so that under the compressing power effect of the helical spring 66 that resets, close electromagnetic valve 3.
Under kitchen range 200 accidental situations about extinguishing, electric power is descended, and close electromagnetic valve in the same manner as described above.
Nature can be observed and can use a sheet spring to replace the helical spring that resets.
Although described the present invention, be to be understood that these descriptions should not be counted as any limited significance, are familiar with present technique person and can make various changes and interpolation to specific embodiment, and do not exceed the spirit and scope of the present invention with reference to specific embodiment.
Claims (2)
1. valve member that is applicable to the burner device of vaporized fuel comprises:
One valve body of only making (41) by casting process;
One is located at the valve opening (42) on the valve body;
One valve seat (45) around primary valve (46) setting, this primary valve is arranged on a deep end of valve opening (42);
One be located in the valve opening with valve seat (45) engagement so that open and close the inwall of primary valves (46);
Valve opening (42) thus inwall little by little radially enlarge towards the one opening end and form a taper surface, and in the casting valve body by means of an outer surface of the integrally formed valve seat of casting process (45);
Joint office between valve seat (45) and valve opening (42) inwall is provided with a corner part (45a);
The tapering of the conical surface of valve opening (42) inwall is in the scope of 1.0-5.0 degree;
The radius of curvature of corner part (45a) is in the scope of 0.25mm-2.0mm.
2. the valve member that is applicable to the burner device of vaporized fuel as claimed in claim 1 is characterized in that, the opening end of the inwall of valve opening (42) forms taper by casting process, to form O shape circle Surface of action, is equipped with O shape circle on it hermetically.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5004983A JPH06213428A (en) | 1993-01-14 | 1993-01-14 | Valve for combustion apparatus |
| JP4983/93 | 1993-01-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1093152A CN1093152A (en) | 1994-10-05 |
| CN1083076C true CN1083076C (en) | 2002-04-17 |
Family
ID=11598843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94100298A Expired - Fee Related CN1083076C (en) | 1993-01-14 | 1994-01-07 | A valve arrangement for a burner device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPH06213428A (en) |
| KR (1) | KR960002352B1 (en) |
| CN (1) | CN1083076C (en) |
| TW (1) | TW280859B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4912978B2 (en) * | 2007-08-10 | 2012-04-11 | リンナイ株式会社 | Valve unit device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57184601A (en) * | 1981-05-06 | 1982-11-13 | Nissan Motor Co Ltd | Cutting method of differential case |
-
1993
- 1993-01-14 JP JP5004983A patent/JPH06213428A/en active Pending
- 1993-12-08 TW TW082110406A patent/TW280859B/en active
- 1993-12-16 KR KR1019930028121A patent/KR960002352B1/en not_active IP Right Cessation
-
1994
- 1994-01-07 CN CN94100298A patent/CN1083076C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1093152A (en) | 1994-10-05 |
| TW280859B (en) | 1996-07-11 |
| KR960002352B1 (en) | 1996-02-16 |
| KR940018151A (en) | 1994-08-16 |
| JPH06213428A (en) | 1994-08-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20020417 Termination date: 20130107 |