CN2648308Y - Gas flameout protector and kitchen range igniter with said flameout protector - Google Patents
Gas flameout protector and kitchen range igniter with said flameout protector Download PDFInfo
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- CN2648308Y CN2648308Y CN 03234761 CN03234761U CN2648308Y CN 2648308 Y CN2648308 Y CN 2648308Y CN 03234761 CN03234761 CN 03234761 CN 03234761 U CN03234761 U CN 03234761U CN 2648308 Y CN2648308 Y CN 2648308Y
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- protection device
- out protection
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- combustion gas
- flame
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Abstract
The utility model relates to a gas flameout protecting device and a gas stove with the gas flameout protecting device. The protecting device has the technic proposal that an electromagnetic structural unit is arranged in a sealed cavity with a gas inlet and a gas outlet; a burning flame-hydronium is taken as a structural unit to control the switching of a loop work-circuit; a lever structure is arranged between a gas-nozzle inner-port of the gas outlet and the electromagnetic structural unit, and one side of a lever pivot is connected with a magnet structure which can be matched with the electromagnetic structural unit, and the other side of the lever pivot is connected with a sealing structure which can control the opening-closing of the gas-nozzle inner-port and is provided with an elastic structure which can resist the force of electromagnetic structural unit. The pivot of the moving structure of the lever structure is a rotary shaft, and the magnet structure and the sealing structure which can control the opening-closing of the gas-nozzle inner-port which are all connected with the rotary shaft is connected at two sides of the lever pivot in a hinged structure. The gas stove is characterized in that the gas inlet of a stopcock assembly is communicated with the gas outlet of the protecting device and can be arranged on the same base structure in a neighboring way.
Description
Technical field
The utility model relates to a kind of being used for the combustion gas is the flame-out protection device of the burner of fuel, and the gas kitchen ranges that is provided with this flame-out protection device.
Background technology
With the combustion gas is the burner of fuel, as being domestic cooking kitchen range, water heater of fuel etc. with combustion gas such as natural gas, coal gas or liquefied petroleum gas, is widely used.In use overflow because of wind, soup or reason such as stop the supple of gas or steam causes flame-out but fails in time to cut off the problem that its air supply source institute may cause accident for solving, the protective device that makes the fuel gas buring utensil can realize cutting off automatically the air feed source of the gas when flame-out has to be reported and use.As, the blast tube valve that is provided with between the fuel gas inlet of burner and gas source interface by electromagnetic structure control is the normal a kind of version that adopts.Mode to the operating current break-make of controlling solenoid in its electromagnetic structure, the variations in temperature of employing so that whether burning is arranged then arranged as the thermocouple principle of sampled signal and the form of structure, also favourable have the characteristics of electric conductivity as the various ways such as structural element of controlling solenoid operating circuit break-make in order to the flame ion fired state under.Shown in Figure 1 is exactly adopts at present with the electric conductivity of the flame ion version as a kind of combustion gas flame-out protection device of the structural element of control solenoid operating circuit break-make.Its basic structure is, in the cavity of the closing form with fuel gas inlet (21) and outlet (14), is provided with an electromagnetic structure unit, and the flame ion during by burning is as the structural element of control its solenoid (16) operating circuit break-make.Between valve inner port that is communicated with gas outlet and electromagnetic core, be provided with a lever construction (7), the fulcrum location of its lever construction is the entad side end of this movable ferromagnetic structure that can match with the electromagnetic structure unit, the remainder of this movable ferromagnetic structure then is the positive force position of level type structure, and lever construction fulcrum location opposite side on the other side then is connected with and can controls the enclosed constructions such as air cushion (12) that the valve inner port opens/close and be connected.Also be provided with one in the appropriate position at this lever construction middle part and can have the spring (10) that resists mutually with the electromagnetic structure active force, it cooperates jointly with electromagnetic force, realizes making structures such as sealing air cushion that the valve inner port opened/close action.Its basic functional principle is: combustion gas is had only the igniter that just can enter burner through the inlet, outlet of this protective device by the air supply source interface---in the most frequently used plug valve assembly etc.When burner is in normal fired state, the electric action of its flame ion can make in the solenoid of electromagnetic structure unit in the above-mentioned protective device the operating current of keeping its duty, the electromagnetic structure unit is by the adhesive of magnetic action power to the ferromagnetic structure that is positioned at lever construction one end, make the enclosed constructions such as air cushion that are positioned at the lever construction other end leave the inner port of valve, combustion gas can waltz through protective device and deliver to burner; After flame-out, owing to lost the conducting of flame ion to the solenoid operating current, the electromagnetic structure unit is because of the electric current of losing the job in its coil the suction-combining force that loses magnetism, former by the ferromagnetic structure of this lever end of adhesive under the spring force effect and throw off, and make of the inner port sealing of the former enclosed constructions such as air cushion that are in opening of its other end with valve by lever construction, realization is closed the fuel gas path to the burner supply, has guaranteed the safety of using.
In actual use, the protective device of this kind version both can adopt and separate with the Gas appliance igniter of routine and only with the setting that is connected of the form of fuel gas pipeline, also can be the form that integral body is provided with.By above-mentioned structure as can be known; because what the fulcrum of the lever construction in this version protective device adopted at present is the side point of using the movable ferromagnetic structure that is positioned at its application of force end; caused the power arm of this lever construction shorter; and make the work of electromagnetic structure that bigger power need be arranged, cause making the volume of electromagnetic structure bigger.Therefore; when it becomes overall structure form to be provided with gas ignition device; must make the cumulative volume of whole ignition device structure also corresponding bigger; so this still at present utensils as forms such as gas heaters that are used for having big installing space of whole igniter that have the blowout protection structure use then comparatively difficulty more in the utensil that comparatively limits to installing spaces such as kitchen range of cooking a meal.
In addition, in above-mentioned version, under electromagnetic force, seal the movement locus of the enclosed constructions such as air cushion of valve inner port through lever construction being used to of driving, it is the forms of motion of arc swing, rather than with valve axis coaxle or parallel rectilinear motion, sealing property is reliable during therefore for its sealing of assurance, and air cushion and the interplanar matching requirements of valve port and difficulty are all bigger.
The utility model content
According to above-mentioned situation; the utility model will provide a kind of flame-out protection device that improves the fuel gas buring utensil of structure; make it can have littler volume service behaviour more reliably, be more convenient for assembling and use, thereby make it can have the scope of application more widely.On this basis, the utility model also will further provide a kind of gas kitchen ranges igniter that includes the gas kitchen ranges igniter, particularly a kind of overall structure form of this fuel gas buring utensil flame-out protection device.
The structure of the flame-out protection device of the utility model fuel gas buring utensil; be still in having the enclosed type cavity of fuel gas inlet and outlet and be provided with the electromagnetic structure unit, and constitute the structural element of its solenoid operating circuit break-make of control by the burned flame ion.Be provided with a level type motion structure between valve inner port that is communicated with gas outlet and electromagnetic structure unit, the side at its balance pivot position is connected with the ferromagnetic structure that can match with the magnetic action power of electromagnetic structure unit; Be connected with at the opposite side of fulcrum location on the other side and can control the enclosed constructions such as air cushion that the valve inner port is opened/closed; Also have one can have the elastic constructions such as spring that the active force with electromagnetic structure resists mutually with the level type motion structure matches.Wherein, the fulcrum of said this level type motion structure is a pivot structure, and said ferromagnetic structure is connected on the level type motion structure through the articulated structure on the connector; Can control the connecting rod of enclosed construction in being engaged in positioning guiding structure that the valve inner port opens/close also is connected on the level type motion structure with articulated structure.
In above-mentioned structure, owing to make lever construction wherein have the fulcrum structure that independently is arranged at the pivot structure form between its two active forces end, and no longer be to use simultaneously also as the side point on the movable ferromagnetic structure of its lever application of force site of action, so power arm length that not only can prolong lever construction, and can carry out needed suitable adjustment to the length of fulcrum and power arm as required, help reducing the required operating power of electromagnetic structure, and reduce its volume, so that in the utensil that installing space comparatively limits to, also can be mounted use.Simultaneously, the action of this kind rotary shaft fulcrum structure is also more flexible, helps reducing wear, and increases the service life.
On the other hand, because what the syndeton at two active force positions of above-mentioned lever construction all adopted respectively is articulated structure, therefore the ferromagnetic structure that the lever two ends are connected is done the motion of orthoscopic with the enclosed construction that the valve the controlled inner port that connecting rod was connected in being engaged in positioning guiding structure is opened/closed under lever drives, and no longer is the oscillating motion of arc.Its result for this ferromagnetic structure that can cooperate with electromagnetic structure, can make the performance of electromagnetic force more abundant, reduces the consumption of invalid component; For for enclosed construction that the valve inner port cooperates, by its with valve axis parallel direction on rectilinear motion also help realizing cooperating with the more reliable sealing of valve the inner oral area, also reduced the difficulty of assembling and setting.
On the basis of said structure, saidly be connected through second connector again with can controlling between connecting rod that enclosed construction that the valve inner port opens/close is connected and level type motion structure if further make, and make the connecting portion between this second connector and level type motion structure and said connecting rod all be adopted as articulated structure respectively, then pass through the articulated structure at these second connector two ends, on the basis of the connecting rod that can also be used in the enclosed construction that control valve inner port opens/close moving linearly on above-mentioned and direction that the valve axis parallels, further realization can be on the axis direction of valve moving linearly, more help reliability to the sealing of valve inner port.
As above-mentioned, for making because of flame-out when making the electromagnetic structure loss of excitation, enclosed constructions such as air cushion can automatically close the valve inner port rapidly, and the elastic construction that is combined with the forms such as spring that can resist mutually with the active force of electromagnetic structure in lever construction is necessary.In above-mentioned flame-out protection device of the present utility model; said this has the elastic construction that resists mutually with the active force of electromagnetic structure; though can be according to the different parts that matches with lever construction---for example; be arranged on fulcrum location different sides and/or; be arranged on different directions active force side with ferromagnetic structure and enclosed construction; the difference that dissimilar elastic structures such as adopting compression type springs or tension type spring respectively can be arranged; but as can be, be said this elastic construction to be arranged on be used between the positioning guiding structure that connecting rod and its cooperated that is connected with enclosed construction such as air cushion for one of optimal way of implementing reference.Its advantage be more to help to guarantee connecting rod along with the parallel direction of valve axis on or along the stability of the axis direction moving linearly of valve, with guarantee with the valve inner port between seal cooperate reliable and stable.
Because the operation principle and the process of the combustion gas flame-out protection device of the utility model said structure form; identical with the combustion gas flame-out protection device of the similar control principle of present employing; thereby its when using with burner in original ignition structure---as the fit system that is provided with of the plug valve assembly of the most generally use; except that only can adopting the separate form that is connected with fuel gas pipeline, also can adopt integrally-built form setting.No matter be provided with in which way; its basic structure all should be: this flame-out protection device is arranged between the fuel gas inlet and gas source interface of kitchen range Central Plains plug valve assembly; and the fuel gas inlet of flame-out protection device is connected with gas source interface, the mode that the gas outlet of combustion gas flame-out protection device is connected with the combustion gas inlet channel and the air inlet of plug valve assembly.When adopting the overall structure mode to be provided with, can adopt above-mentioned flame-out protection device and former plug valve assembly are provided with in adjacent close mode on same base construction.Because the utility model said structure form flame-out protection device can make volume more small and exquisite, thereby also more help and make things convenient for the employing latter's integrally-built set-up mode.
According to foregoing, under the prerequisite that does not break away from the above-mentioned basic fundamental thought of the utility model,, modification, replacement or the change of various ways can also be arranged to its content according to the ordinary skill knowledge and the customary means of this area.
Below in conjunction with the specific embodiment, foregoing of the present utility model is described in further detail again by the accompanying drawing illustrated embodiment.But this should be interpreted as that following example is the restriction to the related scope of the utility model theme.All technology that is realized based on the utility model foregoing all belong to scope of the present utility model.
Description of drawings
Fig. 1 is the structural representation of present similar combustion gas flame-out protection device
Fig. 2 is the plan structure schematic diagram (the valve gap part of wherein installing the top is not shown) of the utility model combustion gas flame-out protection device
Fig. 3 is the A-A structural representation of Fig. 2
Fig. 4 is a kind of structural representation of inlet channel horizontal cross-section of the integral fuel gas kitchen range cock-type igniter with the utility model flame-out protection device
Fig. 5 is the B-B structural representation of Fig. 4
The specific embodiment
Shown in Figure 1 is the present similar combustion gas flame-out protection device that has identical operation principle with combustion gas flame-out protection device of the present utility model, and its basic structure and operation principle and the course of work repeat no more as described above.
Fig. 2 and shown in Figure 3 be the structure of the utility model fuel gas buring utensil flame-out protection device.In the cavity of the closing form that is constituted by valve gap 6 and valve seat 1 and seal washer 2 therebetween, be respectively arranged with and be used for the fuel gas inlet 21 that is connected with fuel gas source, with the gas outlet 14 that is used for being connected with the air inlet of device such as ignition switch.In the cavity of this sealing, be provided with an electromagnetic structure unit, and the flame ion when being burnt by burner constitutes the structural element of its solenoid 16 operating circuit break-makes of control with solenoid 16 and iron core with matching 15 structures.Between valve 13 inner port that are communicated with gas outlet 14 and electromagnetic structure, be provided with a lever 7, its fulcrum location is a pivot structure 18 that is arranged at the mid point position of its lever two active force end gap lengths.One side of its pivot structure 18 fulcrums is connected with a joint pin 5 through articulated structure 17,5 of joint pins be connected can with ferromagnetic structure 3 that the magnetic action power of electromagnetic structure matches on, appropriate position above it also is provided with a position limiting structure 4; Opposite side at lever shaft structure 18 fulcrums relative with this ferromagnetic structure 3, be connected with an air cushion push rod 11 that is engaged in the positioning and guiding support 9 through second connector 8, and this second connector 8 is connected with articulated structure 19,20 respectively with lever 7 and 11 of air cushion push rods, is connected with and can opens/close the air cushion enclosed construction 12 that cooperates with the inner port of valve 13 at the other end of air cushion push rod 11.Between air cushion push rod 11 and positioning and guiding support 9 that it is cooperated, also be combined with and have the spring 10 that can resist mutually with the active force of electromagnetic structure 3; so that when electromagnetic structure 3 outage losss of excitation; this air cushion enclosed construction 12 can be sealed the inner port of valve 13 under the effect of this spring 10; to block the fuel gas supply in the air feed path, realize the blowout protection purpose.
Fig. 4 and shown in Figure 5 be the ignition device structure that the utility model flame-out protection device and cock-type igniter commonly used is adopted a kind of gas kitchen ranges that the overall structure mode designs.On a common base construction 1, the combustion gas flame-out protection device 24 of above-mentioned Fig. 2 and version shown in Figure 3 is arranged between the air supply source interface 22 of the fuel gas inlet 31 of gas kitchen ranges Central Plains plug valve assembly 25 and combustion gas in adjacent close mode.The fuel gas inlet 21 of this flame-out protection device is communicated with gas source interface 22; The gas outlet 14 of flame-out protection device is connected with the air inlet 23 of plug valve assembly 25 through the combustion gas inlet channel 31 of former plug valve assembly 25.During work; push the valve rod 26 of plug valve assembly 25 in the usual way and to opening gas direction rotation; in the electric discharge device that connection is used to light a fire; and connect make in the flame-out protection device 24 solenoid just task turning circuit and the fuel gas path in the flame-out protection device is opened, will deliver to the combustion gas of burner by discharge spark and light and keep a moment.Flame ion during because of burning is the structural element of the solenoid 16 operating circuit conductings of electromagnetic structure in the control flame-out protection device 24; thereby the solenoid that can make electromagnetic structure in the flame-out protection device 24 is kept "on" position and is kept magnetic action power; make air cushion enclosed construction 12 also remain in open mode; combustion gas can continue to deliver to burner through the ventilation spool 29 of the normal air supply channel of flame-out protection device 24 and plug valve and plug valve assembly and gas outlet 30 by air supply source and keep burning; can unclamp valve rod 26 this moment, closes electric discharge device and make the solenoid turning circuit of task just.Extinguish in case flame is improper, the electromagnetic structure in the protective device is because of the electric current loss of excitation of losing the job, and the spring 10 in the protective device 24 can promote air cushion enclosed construction 12 inner port of valve 13 is closed, and has guaranteed the safety of using.
Claims (6)
1. combustion gas flame-out protection device; in enclosed type cavity, be provided with the electromagnetic structure unit with fuel gas inlet (21) and outlet (14); and constitute the structural element of control its solenoid (16) operating circuit break-make by the burned flame ion; between valve (13) inner port that is communicated with gas outlet (14) and electromagnetic structure unit, be provided with a level type motion structure (7); fulcrum location one side at its lever is connected with the ferromagnetic structure (3) that can match with the magnetic action power of electromagnetic structure unit; fulcrum location opposite side on the other side is connected with can control the enclosed construction (12) that valve (13) inner port is opened/closed; also have one can have the elastic construction (10) that resists mutually with the electromagnetic structure active force with level type motion structure (7) matches; the fulcrum that it is characterized in that said this level type motion structure (7) is a pivot structure (18); said ferromagnetic structure (3) is connected on the level type motion structure (7) through the articulated structure (17) of connector (5), can control the connecting rod (11) of enclosed construction (12) in being engaged in positioning guiding structure (9) that valve (13) inner port opens/close and also be connected on the level type motion structure (7) with articulated structure (19).
2. combustion gas flame-out protection device as claimed in claim 1; it is characterized in that saidly being connected through second connector (8) with can controlling between connecting rod (11) that enclosed construction (12) that valve (13) inner port opens/close is connected and level type motion structure (7); and this second connector (8) is articulated structure (19,20) respectively with the connecting portion of level type motion structure (7) and said connecting rod (11).
3. combustion gas flame-out protection device as claimed in claim 1 is characterized in that said can being arranged between said connecting rod (11) and its positioning guiding structure that is cooperated (9) with the elastic construction (10) that the active force of electromagnetic structure resists mutually.
4. as the described combustion gas flame-out protection device of one of claim 1 to 3, it is characterized in that said pivot structure (18) as level type motion structure (7) fulcrum is arranged on the length mid point position between its two active forces end.
5. kitchen range igniter with combustion gas flame-out protection device; between the fuel gas inlet (31) of the plug valve assembly (25) of kitchen range and gas source interface (22), be provided with combustion gas flame-out protection device (24); the fuel gas inlet of combustion gas flame-out protection device (21) is communicated with gas source interface (22); the gas outlet of combustion gas flame-out protection device (14) is communicated with the combustion gas inlet channel (31) of plug valve assembly (25); it is characterized in that said combustion gas flame-out protection device (24) is to be provided with the electromagnetic structure unit in the enclosed type cavity with fuel gas inlet (21) and outlet (14); and constitute the structural element of control its solenoid (16) operating circuit break-make by the burned flame ion; between valve (13) inner port that is communicated with gas outlet (14) and electromagnetic structure unit, be provided with a level type motion structure (7); fulcrum location one side at its lever is connected with the ferromagnetic structure (3) that can match with the magnetic action power of electromagnetic structure unit; fulcrum location opposite side on the other side is connected with can control the enclosed construction (12) that valve (13) inner port is opened/closed; also have one can have the elastic construction (10) that resists mutually with the electromagnetic structure active force with level type motion structure (7) matches; the fulcrum that it is characterized in that said this level type motion structure (7) is a pivot structure (18); said ferromagnetic structure (3) is connected on the level type motion structure (7) through the articulated structure (17) of connector (5), can control the connecting rod (11) of enclosed construction (12) in being engaged in positioning guiding structure (9) that valve (13) inner port opens/close and also be connected on the level type motion structure (7) with articulated structure (19).
6. the kitchen range igniter with combustion gas flame-out protection device as claimed in claim 5 is characterized in that said plug valve assembly (25) and combustion gas flame-out protection device (24) are arranged on the adjacent position of same base construction (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03234761 CN2648308Y (en) | 2003-06-05 | 2003-06-05 | Gas flameout protector and kitchen range igniter with said flameout protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03234761 CN2648308Y (en) | 2003-06-05 | 2003-06-05 | Gas flameout protector and kitchen range igniter with said flameout protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2648308Y true CN2648308Y (en) | 2004-10-13 |
Family
ID=34326332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03234761 Expired - Fee Related CN2648308Y (en) | 2003-06-05 | 2003-06-05 | Gas flameout protector and kitchen range igniter with said flameout protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2648308Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626939A (en) * | 2016-03-25 | 2016-06-01 | 时代大陆机电科技（大连）有限公司 | Solenoid valve device |
| CN110748697A (en) * | 2018-07-23 | 2020-02-04 | 林内株式会社 | Gas cock |
-
2003
- 2003-06-05 CN CN 03234761 patent/CN2648308Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626939A (en) * | 2016-03-25 | 2016-06-01 | 时代大陆机电科技（大连）有限公司 | Solenoid valve device |
| CN110748697A (en) * | 2018-07-23 | 2020-02-04 | 林内株式会社 | Gas cock |
| CN110748697B (en) * | 2018-07-23 | 2022-07-19 | 林内株式会社 | Gas cock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |