CN203980360U - A kind of gas utensil with automatic safe ignition function - Google Patents
A kind of gas utensil with automatic safe ignition function Download PDFInfo
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- CN203980360U CN203980360U CN201420408893.9U CN201420408893U CN203980360U CN 203980360 U CN203980360 U CN 203980360U CN 201420408893 U CN201420408893 U CN 201420408893U CN 203980360 U CN203980360 U CN 203980360U
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- gas
- seesaw
- expansion
- valve body
- ignition device
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Abstract
The utility model discloses a kind of gas utensil with automatic safe ignition function, comprise burner, gas nozzle, gas supply pipe and igniter, one end of gas supply pipe is connected with burner by gas nozzle, igniter comprises surface ignition device and expansion valve, surface ignition device is near burner, expansion valve comprises temperature-sensitive bag, valve body and expansion power conduit, temperature-sensitive packing is located on surface ignition device, temperature-sensitive bag is connected with valve body by expansion power conduit, the inside of temperature-sensitive bag and expansion power conduit is filled with expanding liquid, valve body has fuel gas inlet and gas outlet, the gas outlet of valve body is connected with the other end of gas supply pipe.The utility model can cut off the combustion gas being transported in gas supply pipe completely, there is no the unexpected possibility of extinguishing, igniting can automatically reset, do not need hand-reset, yield rate is high, durable, use cost is low, and igniter is completely isolated combustion gas and electrical heating to separate, there is no the possibility of detonation, safe.
Description
Technical field
The utility model relates to the technical field of gas utensil, more particularly, relates to a kind of gas utensil with automatic safe ignition function.
Background technology
Traditional gas utensil generally consists of parts such as burner, gas nozzle, gas supply pipe and igniters, wherein, this igniter can be added by the valve body with thermocouple little fire kept burning day and night and form, it is simple in structure, but this igniter cannot be cut off combustion gas completely, cannot accomplish constant temperature completely, be merely able to accomplish to slow down the speed that temperature rises, can not accomplish Full-automatic ignition.In addition, once ever-burning flame surprisingly extinguishes, only have and just can restart heating after hand-reset.
For this reason; on market, occurred a kind ofly by carborundum surface ignition device, adding the igniter that bimetal leaf safety valve forms; this igniter is cut off combustion gas completely; while accomplishing not need to heat, do not heat completely; avoided the unexpected possibility of extinguishing; but carborundum surface ignition device is resistant not; not water-fast; not anti-vibration; environment for use and transportation protection require high, and fault rate is high, and bimetal leaf safety valve is high to the requirement on machining accuracy of bimetal leaf; generally only have at present Japanese import bimetal leaf just can reach requirement on machining accuracy, cost is high.In addition, the design shortcoming of bimetal leaf safety valve is that electrical heating and combustion gas are carried out in the space of same sealing, once there be spark to produce, will have the possibility of detonation.
Utility model content
The purpose of this utility model is to overcome above-mentioned defect of the prior art, and a kind of gas utensil with automatic safe ignition function is provided, and it can either cut off combustion gas and the full-automatic igniting that resets completely, can reduce use cost again, yield rate is high, durable, and security performance is high.
For achieving the above object, the technical scheme that the utility model provides is as follows: a kind of gas utensil with automatic safe ignition function, comprise burner, gas nozzle, gas supply pipe and igniter, one end of described gas supply pipe is connected with described burner by described gas nozzle, described igniter comprises surface ignition device and expansion valve, described surface ignition device is near described burner, described expansion valve comprises temperature-sensitive bag, for the valve body of gas supply pipe described in opening/closing and the expansion power conduit that to described valve body, it is opened for transmitting the bulbs of pressure, described temperature-sensitive packing is located on described surface ignition device, described temperature-sensitive bag is connected with described valve body by described expansion power conduit, the inside of described temperature-sensitive bag and described expansion power conduit is filled with expanding liquid, described valve body has fuel gas inlet and gas outlet, the gas outlet of described valve body is connected with the other end of described gas supply pipe.
As preferably, in technique scheme, described valve body comprises valve shell, seesaw support, the first seesaw, the second seesaw, seesaw extension spring, outside protective covers, seal head, expansion force piece, diaphragm seal and diaphragm seal push rod, described fuel gas inlet and described gas outlet are opened in respectively on described valve shell, described seesaw support is installed in the inside of described valve shell, described the first seesaw is connected by described seesaw extension spring with described the second seesaw and is installed in respectively on described seesaw support, described seal head is installed in one end of described the second seesaw and can seals the gas outlet of described valve body, described outside protective covers is installed in the outer wall of described valve shell, described diaphragm seal is installed in the below, inside of described outside protective covers, described diaphragm seal push rod is connected with described diaphragm seal and through hole and described the first seesaw that can offer through described valve shell are supported mutually, described expansion force piece is installed in the inside of described outside protective covers and is connected with described expansion power conduit, the lower end of described expansion force piece contacts with described diaphragm seal push rod, described expansion force piece can make described diaphragm seal push rod move down after expansion.
As preferably, in technique scheme, described expansion force piece comprises the first bulge and the second bulge, and described the first bulge and described the second bulge are tightly connected, and between described the first bulge and described the second bulge, is filled with expanding liquid.
As preferably, in technique scheme, described valve body also comprises force piece adjusting screw(rod), and described force piece adjusting screw(rod) is connected with the screw top of described outside protective covers, and the upper end of described expansion force piece is installed on described force piece adjusting screw(rod).
As preferably, in technique scheme, it is silicon nitride surface ignition device or carborundum surface ignition device that described surface ignition device is set to.
Compared with prior art, the beneficial effects of the utility model are:
Igniter of the present utility model comprises surface ignition device and expansion valve, described expansion valve has the temperature-sensitive bag being connected with surface ignition device, for the valve body of gas supply pipe described in opening/closing and the expansion power conduit that to described valve body, it is opened for transmitting the bulbs of pressure, igniter of the present utility model can be cut off the combustion gas being transported in gas supply pipe completely, while accomplishing not need to heat, do not heat completely, there is no the unexpected possibility of extinguishing, the full-automatic igniting that resets, do not need hand-reset, and because use expansion valve as force piece, yield rate is high, durable, long service life, use cost is low, in addition, this igniter is completely isolated combustion gas and electrical heating to separate in design, there is no the possibility of detonation, safer.
Accompanying drawing explanation
Fig. 1 is the structure diagram with the gas utensil of automatic safe ignition function described in the utility model;
Fig. 2 is the structural representation of expansion valve described in the utility model in off position time;
Fig. 3 is the structural representation of expansion valve described in the utility model when open mode.
Below in conjunction with drawings and Examples, the gas utensil with automatic safe ignition function described in the utility model is described further.
The specific embodiment
Be below the preferred example with the gas utensil of automatic safe ignition function described in the utility model, therefore do not limit protection domain of the present utility model.
Please refer to Fig. 1, there is shown a kind of gas utensil with automatic safe ignition function, comprise burner 1, gas nozzle 2, gas supply pipe 3 and igniter, wherein, one end of gas supply pipe 3 is connected with burner 1 by gas nozzle 2.During concrete assembling, on gas nozzle 2, can be provided with screw thread, add after top nut, be arranged on the supporting bracket holes of burner 1.
Particularly; igniter comprises surface ignition device 4 and expansion valve 5; in this enforcement; it is silicon nitride surface ignition device that this surface ignition device 4 is preferably set to; silicon nitride surface ignition utensil has the advantages such as the wind of not being afraid of, resistant, water-fast, anti-vibration; there is no the unexpected possibility of extinguishing, less demanding with transportation protection to environment for use, use cost is low.Certainly, this surface ignition device 4 also can adopt surface ignition device that other materials is made (for example: carborundum surface ignition device), non-enforcement is limited.
During work, surface ignition device 4 can be inputted external voltage (12V～220V), with this, produces heat.In this enforcement, surface ignition device 4 need to produce the high temperature of 1100 degrees Celsius.The high temperature of 1100 degrees Celsius only producing on surface ignition device 4 surfaces, just can produce enough expansion thrust, allows expansion valve 5 that burnt gas switch is opened.If surface ignition device 4 is damaged, do not produce the high temperature of 1100 degrees Celsius, now expansion valve 5 does not produce enough motive forces, and expansion valve 5 just can not be opened, and combustion gas can not discharge.In addition, when mounted, surface ignition device 4 needs near burner 1, can touch the heating surface of surface ignition device 4 when guaranteeing that combustion gas sprays in the burner port from burner 1, thereby light.
As shown in Figure 1, expansion valve 5 comprises temperature-sensitive bag 51, for the valve body 52 of opening/closing gas supply pipe 3 and the expansion power conduit 53 that to valve body 52, it is opened for transmitting the bulbs of pressure, temperature-sensitive bag 51 is installed on surface ignition device 4, temperature-sensitive bag 51 is connected with valve body 52 by expansion power conduit 53, the inside of temperature-sensitive bag 51 and expansion power conduit 53 is hollow structure and is filled with expanding liquid, under normal conditions, the expanding liquid in temperature-sensitive bag 51 and expansion power conduit 5 is in balance and stability state.Preferably, in order to access a stable thermal environment that is not subject to external interference, can be installed on the basis of surface ignition device 4 an additional ceramic sleeve pipe again at temperature-sensitive bag 51.
In this enforcement, as shown in Figures 2 and 3, valve body 52 comprises valve shell 523, seesaw support 524, the first seesaw 525, the second seesaw 526, seesaw extension spring 527, outside protective covers 528, expansion force piece 529, seal head 5210, diaphragm seal 5211 and diaphragm seal push rod 5212, on valve shell 523, offer fuel gas inlet 521 and gas outlet 522, gas outlet 522 is connected with gas supply pipe 3, seesaw support 524 is installed in the inside of valve shell 523, the first seesaw 525 is connected by seesaw extension spring 527 with the second seesaw 526 and is installed in respectively on seesaw support 524, seal head 5210 is installed in one end of the second seesaw 526 and can seals the gas outlet 522 of valve body 52, outside protective covers 528 is installed in the outer wall of valve shell 523, diaphragm seal 5211 is installed in the below, inside of outside protective covers 528, diaphragm seal push rod 5212 is connected with diaphragm seal 5211 and through hole and the first seesaw 525 that can offer through valve shell 523 are supported mutually, expansion force piece 529 is installed in the inside of outside protective covers 528 and is connected with expansion power conduit 53, expansion force piece 529 is positioned at the top of diaphragm seal push rod 5212, the lower end of expansion force piece 529 is supported and is contacted with diaphragm seal push rod 5212.Concrete, expansion force piece 529 comprises the first bulge 5291 and the second bulge 5292, the first bulge 5291 and the second bulge 5292 are tightly connected, between the first bulge 5291 and the second bulge 5292, be filled with expanding liquid, expansion force piece 529 can make diaphragm seal push rod 5212 move down after expansion.
In this enforcement, seal head 5210 and diaphragm seal 5211 can be made by silica gel material.Meanwhile, diaphragm seal 5211 and diaphragm seal push rod 5212 integrated injection moldings, diaphragm seal push rod 5212 is positioned at the center of diaphragm seal 5211.
In addition; for the convenient position that regulates expansion force piece 529; valve body 52 also comprises force piece adjusting screw(rod) 5213, and force piece adjusting screw(rod) 5213 is connected with the screw top of outside protective covers 528, and the upper end of expansion force piece 529 is installed on force piece adjusting screw(rod) 5213.By turning force piece adjusting screw(rod) 5213, be that capable of regulating expansion force piece 529 is in the position of outside protective covers 528 inside.
Operation principle of the present utility model is as follows:
Under off working state, temperature-sensitive bag 51 does not sense the temperature that surface ignition device 4 produces, expansion force piece 529 does not move, the first seesaw 525 and the second seesaw 526 are pressed on seal head 5210 on the gas outlet 522 of valve shell 523 under the effect of seesaw extension spring 527, gas sealing, in valve shell 523, will be transported to the combustion gas in gas supply pipe 3 thereby cut off;
In working order, temperature-sensitive bag 51 senses the temperature that surface ignition device 4 produces, when reaching rated temperature, the bulbs of pressure that temperature-sensitive bag 51 produces pass to expansion force piece 529 by expansion power conduit 53, expansion force piece 529 moves down it at expansion pusher movable sealing film push rod 5212, diaphragm seal push rod 5212 presses down the first seesaw 525, make the second seesaw 526 and together action downwards of seesaw extension spring 527, when reaching certain distance, the active force that the second seesaw 526 is subject to seesaw extension spring 527 moves downwards, the gas outlet 522 that seal head 5210 is departed to valve shell 523, thereby combustion gas is discharged in valve shell 523, and be transported to burner 1 by gas supply pipe 3, when combustion gas sprays from the burner port of burner 1, the high temperature surface that touches 4 generations of surface ignition device will lighting by safety.
In sum, the utlity model has automatic safe igniter, can cut off the combustion gas being transported in gas supply pipe completely, while having accomplished not need to heat, do not heat completely, there is no the unexpected possibility of extinguishing, the full-automatic igniting that resets, do not need hand-reset, yield rate is high, durable, and the life-span can reach more than 100,000 times, use cost is low, and this igniter is completely isolated combustion gas and electrical heating to separate in design, there is no the possibility of detonation, security performance is high.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (8)
1. a gas utensil with automatic safe ignition function, comprise burner (1), gas nozzle (2), gas supply pipe (3) and igniter, one end of described gas supply pipe (3) is connected with described burner (1) by described gas nozzle (2), it is characterized in that: described igniter comprises surface ignition device (4) and expansion valve (5), described surface ignition device (4) is near described burner (1), described expansion valve (5) comprises temperature-sensitive bag (51), for the valve body (52) of gas supply pipe (3) described in opening/closing and the expansion power conduit (53) that to described valve body (52), it is opened for transmitting the bulbs of pressure, described temperature-sensitive bag (51) is installed on described surface ignition device (4), described temperature-sensitive bag (51) is connected with described valve body (52) by described expansion power conduit (53), the inside of described temperature-sensitive bag (51) and described expansion power conduit (53) is filled with expanding liquid, described valve body (52) has fuel gas inlet (521) and gas outlet (522), the gas outlet (522) of described valve body (52) is connected with the other end of described gas supply pipe (3).
2. a kind of gas utensil with automatic safe ignition function according to claim 1, it is characterized in that: described valve body (52) comprises valve shell (523), seesaw support (524), the first seesaw (525), the second seesaw (526), seesaw extension spring (527), outside protective covers (528), expansion force piece (529), seal head (5210), diaphragm seal (5211) and diaphragm seal push rod (5212), described fuel gas inlet (521) and described gas outlet (522) are opened in respectively on described valve shell (523), described seesaw support (524) is installed in the inside of described valve shell (523), described the first seesaw (525) is connected by described seesaw extension spring (527) with described the second seesaw (526) and is installed in respectively on described seesaw support (524), described seal head (5210) is installed in one end of described the second seesaw (526) and can seals the gas outlet (522) of described valve body (52), described outside protective covers (528) is installed in the outer wall of described valve shell (523), described diaphragm seal (5211) is installed in the below, inside of described outside protective covers (528), described diaphragm seal push rod (5212) is connected with described diaphragm seal (5211) and through hole and described the first seesaw (525) that can offer through described valve shell (523) are supported mutually, described expansion force piece (529) is installed in the inside of described outside protective covers (528) and is connected with described expansion power conduit (53), the lower end of described expansion force piece (529) contacts with described diaphragm seal push rod (5212), described expansion force piece (529) can make described diaphragm seal push rod (5212) move down after expansion.
3. a kind of gas utensil with automatic safe ignition function according to claim 2, it is characterized in that: described expansion force piece (529) comprises the first bulge (5291) and the second bulge (5292), described the first bulge (5291) is tightly connected with described the second bulge (5292), between described the first bulge (5291) and described the second bulge (5292), is filled with expanding liquid.
4. a kind of gas utensil with automatic safe ignition function according to claim 2; it is characterized in that: described valve body (52) also comprises force piece adjusting screw(rod) (5213); described force piece adjusting screw(rod) (5213) is connected with the screw top of described outside protective covers (528), and the upper end of described expansion force piece (529) is installed on described force piece adjusting screw(rod) (5213).
5. a kind of gas utensil with automatic safe ignition function according to claim 2, is characterized in that: described seal head (5210) is set to silica gel sealing head, and described diaphragm seal (5211) is set to silica gel sealing film.
6. a kind of gas utensil with automatic safe ignition function according to claim 2, is characterized in that: described diaphragm seal (5211) and described diaphragm seal push rod (5212) integrated injection molding.
7. according to a kind of gas utensil with automatic safe ignition function described in any one in claim 1～6, it is characterized in that: it is silicon nitride surface ignition device or carborundum surface ignition device that described surface ignition device (4) is set to.
8. a kind of gas utensil with automatic safe ignition function according to claim 7, is characterized in that: described surface ignition device (4) is set to produce the surface ignition device of 1100 celsius temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420408893.9U CN203980360U (en) | 2014-07-23 | 2014-07-23 | A kind of gas utensil with automatic safe ignition function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420408893.9U CN203980360U (en) | 2014-07-23 | 2014-07-23 | A kind of gas utensil with automatic safe ignition function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203980360U true CN203980360U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420408893.9U Withdrawn - After Issue CN203980360U (en) | 2014-07-23 | 2014-07-23 | A kind of gas utensil with automatic safe ignition function |
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| CN (1) | CN203980360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101001A (en) * | 2014-07-23 | 2014-10-15 | 东莞市海新金属科技有限公司 | Gas appliance with automatic safety ignition function |
-
2014
- 2014-07-23 CN CN201420408893.9U patent/CN203980360U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101001A (en) * | 2014-07-23 | 2014-10-15 | 东莞市海新金属科技有限公司 | Gas appliance with automatic safety ignition function |
| CN104101001B (en) * | 2014-07-23 | 2016-07-06 | 东莞市海新金属科技有限公司 | Gas appliance with automatic safety ignition function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141203 Effective date of abandoning: 20160706 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |