CN103512032B - A kind of oxygen deficit protective device structure being easily assembled - Google Patents
A kind of oxygen deficit protective device structure being easily assembled Download PDFInfo
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- CN103512032B CN103512032B CN201210220531.2A CN201210220531A CN103512032B CN 103512032 B CN103512032 B CN 103512032B CN 201210220531 A CN201210220531 A CN 201210220531A CN 103512032 B CN103512032 B CN 103512032B
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- induction tunnel
- ignition electrode
- thermocouple
- support
- screw
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Abstract
The present invention relates to the security protection system of a kind of gas utensil.The invention discloses a kind of oxygen deficit protective device structure being easily assembled, including support, induction tunnel, thermocouple, ignition electrode, described induction tunnel, thermocouple, ignition electrode is separately fixed on support, the oblique gathering sill one for being pressed directly into induction tunnel it is equipped with in the middle of described frame upper and bottom, the oblique gathering sill two for installing ignition electrode it is equipped with in the upper and lower on the right side of support, support is provided with for fixing induction tunnel, thermocouple, two screw holes of ignition electrode, one of them screw hole is between induction tunnel and ignition electrode, another screw hole is between thermocouple and induction tunnel, can be by induction tunnel by two screws, thermocouple, ignition electrode is directly anchored on support.The present invention improves the suitability, production operation, simplifies structure simultaneously, reduces cost.
Description
Technical field
The present invention relates to the security protection system of a kind of gas utensil, be specifically related to a kind of anoxia preventer being easily assembled
Structure.
Background technology
Fig. 1-1, Fig. 1-2 show in prior art modal anoxia preventer (ODS) in a kind of gas utensil industry,
It also is used as ever-burning flame.
During actual application, the ignition electrode on anoxia preventer is connected with the piezoelectricity fire maker on gas utensil, works as fire maker
When carrying out sparking action, one side opens air valve makes combustion gas respectively enter gas burning range burner head and the induction tunnel of anoxia preventer, and one
The face simultaneously ignition electrode on anoxia preventer and produce electric spark between induction tunnel, lights the combustion gas of induction tunnel, then injection
Combustion gas on the flame ignition gas burning range burner head of pipe.
Anoxia preventer self, with thermocouple, can sense self flame and obtain thermoelectrical potential and become power supply, in order to tie up
Hold combustion gas air valve in normally open, and, when the fray-out of flame of anoxia preventer, the thermocouple of anoxia preventer because
Losing thermal source and electromotive force decreases up to rapidly zero, power supply function lost efficacy, it is impossible to maintaining the normally open of combustion gas air valve, air valve is automatic
Fall back to normally off, thus realize blowout protection function.
Above-mentioned have igniting and the anoxia preventer of blowout protection function, commonly referred to as ever-burning flame, and have scarce simultaneously
The anoxia preventer just becoming stricti jurise of oxygen defencive function, its function embodiment is: gas utensil is at the indoor ring closed
When border uses, along with combustion gas is constantly burnt, indoor O2 is constantly consumed, and produces simultaneously and even has influence on health is unfavorable
The gas such as CO2, CO of body life safety, anoxia preventer then can by each gas componant content in sensing air, and
When O2 content drops to certain standard interval or CO2, CO content rises to certain standard interval, anoxia preventer flame is automatic
Extinguishing, thermal source disappears, and thermoelectrical potential is reduced to zero, and air-source shutoff makes gas utensil auto extinguishing, reaches to protect health safety
Effect.
In current gas utensil industry, the anoxia preventer shown in Fig. 1-1, Fig. 1-2 is applied widely, has removable
Unload the structure (see Fig. 2 installation diagram) changing parts function, be specially and use a support, be designed with thermocouple screens above,
Induction tunnel screens, ignition electrode screens, and two screws, use a pressing plate with two through holes simultaneously, when thermocouple, draw
Penetrate after the set such as pipe, ignition electrode installs on this support, with pressing plate, this three is covered, and with two screws, pressing plate is fastened on
On support, thermocouple, induction tunnel, ignition electrode are fixed simultaneously.
In place of the structure of this kind of anoxia preventer current comes with some shortcomings on assembling.
First it is the using effect of trip bolt adverse effect that anoxia preventer is installed on gas utensil.One side
Face, due to the dimensional requirement of the different parts such as the fixing thermocouple of overall dimensions to be coordinated, induction tunnel, ignition electrode, two fastenings
If screw equal length, the length finally stretching out support back is inevitable different；On the other hand, in order to reduce buying, production,
The costs such as management, and avoid using two kinds of different screws can cause loading error, need again to use the spiral shell of equal length specification
Nail.What current line selected in the industry is the mode using identical specification screw, and its effect is shown in screw extension position in Fig. 2.This
First result in is on the anoxia preventer of this kind of assembling structure, screw after screwing inevitable the most at least one carry on the back beyond support
Portion, the most accordingly, gas utensil is in design, it is necessary to for the bolt portion headspace beyond support back, this is unfavorable for combustion
Any design requirement to this space of the gas tool, also limits the scope of application of anoxia preventer.
Secondly, it is the assembly manipulation of induction tunnel, sees Fig. 3.Current being designed as above support has a breach draw-in groove,
Then corresponding to the hole of an interior hexagonal below frame, induction tunnel, the most up through the inner hexagonal hole of lower section, arrives induction tunnel draw-in groove and joins
When closing bracket clamp groove location, then induction tunnel is pressed into draw-in groove.Can be summarized as, the assembling of induction tunnel exists the most upwards, the most again
The action of two vertical direction forwards compressed, this assembling mode is unfavorable for improving the effect of assembling when high-volume operation
Rate.Meanwhile, induction tunnel also can cause induction tunnel draw-in groove disengaged above because of carrying etc., during to the action that screwing is fixing, again
Check and confirm, again weakening the operability that induction tunnel is installed.
Then, the screwing operations of trip bolt is very inconvenient, sees Fig. 4-1 to Fig. 5-2.Before tightening screw, thermocouple, draw
Penetrating pipe, ignition electrode and be first put into tram, then by platen cover, now each parts such as pressing plate are by the screwed hole bag on support
Fencing up, the screwed hole position that operator is hardly visible on support, the operation causing tightening screw is the most inconvenient.
Summary of the invention
It is an object of the invention to provide a kind of oxygen deficit protective device structure being easily assembled, which raises the suitability, produce
Operability, simplifies structure simultaneously, reduces cost.
In order to achieve the above object, the present invention has a following technical scheme:
A kind of oxygen deficit protective device structure being easily assembled of the present invention, including support, induction tunnel, thermocouple, ignition electrode,
Described induction tunnel, thermocouple, ignition electrode are separately fixed on support, are equipped with for directly in the middle of described frame upper and bottom
The oblique gathering sill one of press-in induction tunnel, is equipped with the oblique gathering sill for installing ignition electrode in the upper and lower on the right side of support
Two, support is provided with two screw holes for fixing induction tunnel, thermocouple, ignition electrode, one of them screw hole is positioned at and draws
Penetrate pipe with ignition electrode between, another screw hole between thermocouple and induction tunnel, by two screws can by induction tunnel,
Thermocouple, ignition electrode are directly anchored on support.
Wherein, the shape of described oblique gathering sill one is corresponding with induction tunnel lower cross section shape.
Owing to taking above technical scheme, it is an advantage of the current invention that:
1, the present invention can use the prepackage induction tunnel that the mode being pressed directly into settles at one go；
2, eliminate pressing plate of the prior art, make simple in construction, reduce cost；
3, have adjusted supporting structure, use oblique pressure to coordinate the component fastening means of notch, it is achieved screw is direct
Thermocouple, induction tunnel and ignition electrode are fastened on support, improve the operability of trip bolt, and reduce support material with total
Weight:
4, adjust the spacing between induction tunnel and thermocouple and ignition electrode, thus realize using same screw,
Can prevent from again stretching out support back bottom screw, make anoxia preventer have on gas utensil and adaptability is preferably installed, with
The screw that Shi Caiyong is shorter, reduces cost and the weight of anoxia preventer.
Accompanying drawing explanation
Fig. 1-1 is the schematic diagram of prior art anoxia preventer；
Fig. 1-2 is the top view of Fig. 1-1；
Fig. 2 is the assembling schematic diagram of prior art anoxia preventer；
Fig. 3 is the induction tunnel assembling schematic diagram of prior art anoxia preventer；
Fig. 4-1 is the assembling schematic diagram of prior art anoxia preventer；
Fig. 4-2 has pre-installed schematic diagram for prior art anoxia preventer；
Fig. 5-1 is the schematic diagram of prior art anoxia preventer screwing；
Fig. 5-2 is the schematic diagram of the prior art first-class screw of anoxia preventer；
Fig. 6 is the schematic diagram that nozzle loaded onto by anoxia preventer of the present invention；
Fig. 7-1 is the schematic diagram of anoxia preventer of the present invention；
Fig. 7-2 is the top view of Fig. 7-1；
Fig. 8-1 is prior art support axonometric chart；
Fig. 8-2 is the schematic diagram of prior art frame upper；
Fig. 8-3 is the schematic diagram in prior art bracket screw hole；
Fig. 8-4 is the schematic diagram of prior art support bottom；
Fig. 8-5 is the axonometric chart of support of the present invention；
Fig. 8-6 is the schematic diagram on top of the present invention；
Fig. 8-7 is the schematic diagram in bracket screw hole of the present invention；
Fig. 8-8 is the schematic diagram of support bottom of the present invention；
Fig. 9-1 is the schematic diagram of screw installation site of the present invention；
Fig. 9-2 be Fig. 9-1 A-A to sectional view.
In figure: 1, thermocouple；2, ignition electrode；3, induction tunnel；4, fire maker；5, nozzle；6, air valve；7, screw；8, support；
9, hexagonal screw；10, pressing plate；11, oblique gathering sill one；12, oblique gathering sill two.
Detailed description of the invention
Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
Seeing Fig. 1-1 to Fig. 9-2, a kind of oxygen deficit protective device structure being easily assembled of the present invention, by support, injection
Pipe, thermocouple, ignition electrode form, and described induction tunnel, thermocouple, ignition electrode are separately fixed on support, described induction tunnel, thermoelectricity
Even, ignition electrode is separately fixed on support, is equipped with for being pressed directly into the oblique of induction tunnel in the middle of described frame upper and bottom
Gathering sill one, is equipped with the oblique gathering sill two for installing ignition electrode, sets on support in the upper and lower on the right side of support
Have two screw holes for fixing induction tunnel, thermocouple, ignition electrode, one of them screw hole be positioned at induction tunnel and ignition electrode it
Between, another screw hole, can be by induction tunnel, thermocouple, ignition electrode by two screws between thermocouple and induction tunnel
It is directly anchored on support.The shape of described oblique gathering sill one is corresponding with induction tunnel lower cross section shape.
The present invention compared with the prior art, see Fig. 8-1 to Fig. 8-8, particularly as follows:
<1>induction tunnel installation position, by the hexagonal screw of the bottom of prior art, is designed as the part hexagonal card of opening
Groove, meanwhile, the induction tunnel mounting groove of frame upper and bottom all arranges oblique gathering sill one, is the most disposably pressed into for induction tunnel
Position, compares the induction tunnel of prior art and is upward through hexagonal screw and is pressed into draw-in groove further along, have structure more simple motion less
Advantage.
<2>ignition electrode installation position, changes the prior art vertical channel of hexagonal screw into oblique gathering sill two, and strengthens this groove
Spacing with induction tunnel mounting groove；
<3>the screwed hole position on support, between igniting needle tray and injection tube seat, (prior art is igniting needle tray in design
Right side)；
<4>need not hexagonal screw due to bottom, therefore reduce the height of the flange up and down of support simultaneously, minimizing material is with total
Weight；
The composition of the present invention, assembling mode:
<1>pressing plate is cancelled, side thermocouple, induction tunnel and ignition electrode compressed after the most not using pressing plate to be fastened by screw
Formula, it is to avoid the operating difficulties caused because pressing plate blocks screw hole during screwing operation, reduces cost and anoxia protection dress simultaneously
The gross weight put.
<2>ignition electrode is kept flat by prior art and changes slant setting into into support draw-in groove；
<3>screw is used directly to compress the mode of each assembly.
It is specifically shown in Fig. 9-1, Fig. 9-2: right screw between induction tunnel and ignition electrode, after screw screws, the head of screw
Induction tunnel on the left of it is produced to the left and downward pressure by portion, and the ignition electrode inclined-plane on the right side of it is produced to the right simultaneously and to
Under pressure.Secondly, left screw is between thermocouple and induction tunnel, and after screw screws, the head of screw is on the left of it
Thermocouple produces to the left and downward pressure, and produces the induction tunnel on the right side of it to the right and downward pressure simultaneously, so that
Thermocouple and induction tunnel coordinate notch to obtain the power of being tightened down；
<4>in view of the oblique gathering sill of induction tunnel one and the oblique gathering sill of ignition electrode two, and left screw will make induction tunnel oriented
Right partial pressure, for avoiding induction tunnel to be produced displacement by producing component upwards after this partial pressure and gathering sill effect, this
Structure requires first to fasten right screw simultaneously；
The selection of screw the most of the present invention and effect:
<1>direct acting to liking the phase formed between thermocouple with induction tunnel, induction tunnel and ignition electrode due to screw
To inclined-plane, the spacing between thermocouple and induction tunnel, induction tunnel and ignition electrode, i.e. adjustable therefore can be adjusted finally required
The length specification of trip bolt, so, on the one hand, may insure that left and right side all uses same screw, on the other hand, use
Afterwards all without departing from support back bottom screw, thus the space installed on gas utensil without limitation on anoxia preventer is wanted
Ask, improve the suitability of anoxia preventer.
<2>adjust within the specific limits due to screw length, therefore choose shorter screw, reduce cost, alleviate anoxia and prevent
Protection unit weight.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here cannot all of embodiment be given exhaustive.Every belong to this
What bright technical scheme was extended out obviously changes or changes the row still in protection scope of the present invention.
Claims (1)
1. the oxygen deficit protective device structure being easily assembled, including support, induction tunnel, thermocouple, ignition electrode, described injection
Pipe, thermocouple, ignition electrode are separately fixed on support, it is characterised in that: be equipped with in the middle of described frame upper and bottom for
It is pressed directly into the oblique gathering sill one of induction tunnel, is equipped with for installing tiltedly leading of ignition electrode in the upper and lower on the right side of support
To groove two, support is provided with two screw holes for fixing induction tunnel, thermocouple, ignition electrode, one of them screw hole position
Between induction tunnel and ignition electrode, another screw hole, between thermocouple and induction tunnel, can will be drawn by two screws
Penetrate pipe, thermocouple, ignition electrode are directly anchored on support；Described oblique gathering sill one is the part hexagonal draw-in groove of opening, with injection
Pipe lower cross section shape is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210220531.2A CN103512032B (en) | 2012-06-26 | 2012-06-26 | A kind of oxygen deficit protective device structure being easily assembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210220531.2A CN103512032B (en) | 2012-06-26 | 2012-06-26 | A kind of oxygen deficit protective device structure being easily assembled |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103512032A CN103512032A (en) | 2014-01-15 |
| CN103512032B true CN103512032B (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210220531.2A Expired - Fee Related CN103512032B (en) | 2012-06-26 | 2012-06-26 | A kind of oxygen deficit protective device structure being easily assembled |
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| CN (1) | CN103512032B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841204B (en) * | 2016-04-26 | 2018-10-30 | 程志刚 | Burner with novel ignition needle fixing device |
| CN110186075B (en) * | 2019-04-09 | 2024-08-16 | 华帝股份有限公司 | Heat insulation structure and dry-heating-preventing infrared stove using same |
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|---|---|---|---|---|
| CN2421550Y (en) * | 2000-01-28 | 2001-02-28 | 南京斯奥欣电气具有限公司 | Anoxycausis protector |
| CN2901067Y (en) * | 2006-05-16 | 2007-05-16 | 南京普鲁卡姆电器有限公司 | Double gas source lack oxygen protection ignitor |
| CN201028526Y (en) * | 2007-04-04 | 2008-02-27 | 高永� | Oxygen-deficiency protecting equipment |
| CN101358743A (en) * | 2007-07-31 | 2009-02-04 | 深圳市贝来科技有限公司 | Gas sensing type anoxia protection arrangement and test method thereof |
| CN102252351A (en) * | 2011-01-13 | 2011-11-23 | 长兴奔能燃具有限公司 | Oxygen deficiency protection device |
| CN202813380U (en) * | 2012-06-26 | 2013-03-20 | 宁波市比利仕燃器科技有限公司 | Oxygen depletion safety shutoff system (ODS) structure easy to assemble |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60226622A (en) * | 1984-04-24 | 1985-11-11 | Matsushita Electric Ind Co Ltd | Ods mounting guide device for gas apparatus |
| US20020160325A1 (en) * | 2001-04-26 | 2002-10-31 | David Deng | Gas pilot system and method having improved oxygen level detection capability and gas fueled device including the same |
| US7434447B2 (en) * | 2006-05-17 | 2008-10-14 | David Deng | Oxygen depletion sensor |
-
2012
- 2012-06-26 CN CN201210220531.2A patent/CN103512032B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2421550Y (en) * | 2000-01-28 | 2001-02-28 | 南京斯奥欣电气具有限公司 | Anoxycausis protector |
| CN2901067Y (en) * | 2006-05-16 | 2007-05-16 | 南京普鲁卡姆电器有限公司 | Double gas source lack oxygen protection ignitor |
| CN201028526Y (en) * | 2007-04-04 | 2008-02-27 | 高永� | Oxygen-deficiency protecting equipment |
| CN101358743A (en) * | 2007-07-31 | 2009-02-04 | 深圳市贝来科技有限公司 | Gas sensing type anoxia protection arrangement and test method thereof |
| CN102252351A (en) * | 2011-01-13 | 2011-11-23 | 长兴奔能燃具有限公司 | Oxygen deficiency protection device |
| CN202813380U (en) * | 2012-06-26 | 2013-03-20 | 宁波市比利仕燃器科技有限公司 | Oxygen depletion safety shutoff system (ODS) structure easy to assemble |
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| Publication number | Publication date |
|---|---|
| CN103512032A (en) | 2014-01-15 |
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Granted publication date: 20161123 Termination date: 20180626 |