CN209558420U - A kind of built-in burner of igniting needle thermocouple - Google Patents
A kind of built-in burner of igniting needle thermocouple Download PDFInfo
- Publication number
- CN209558420U CN209558420U CN201920057352.9U CN201920057352U CN209558420U CN 209558420 U CN209558420 U CN 209558420U CN 201920057352 U CN201920057352 U CN 201920057352U CN 209558420 U CN209558420 U CN 209558420U
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- Prior art keywords
- hole
- ring fire
- fire cover
- burner
- thermocouple
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Abstract
A kind of built-in burner of igniting needle thermocouple, including burner body, connector, fire cover seat, outer ring fire cage, external ring fire cover and interior ring fire cover；The first inlet chamber and the second inlet chamber are equipped in burner body；Burner body is equipped with ignition electrode and thermocouple；The working end of ignition electrode and thermocouple is located at the lower section of external ring fire cover；Fire cover seat is mounted on the upper end of burner body；The upper surface of fire cover seat connects outer ring fire cage by connector；External ring fire cover is mounted on the end of outer ring fire cage；Interior ring fire cover is set in the ring of external ring fire cover, and connects outer ring fire cage；The first fire hole is uniformly provided on interior ring fire cover；The air inlet of first inlet chamber connects the first ejector pipe；The air inlet of second inlet chamber connects the second ejector pipe.Ignition electrode and thermocouple are hidden in the aesthetics that burner is improved below external ring fire cover by the utility model, and are avoided soup and directly trickled down and cause its failure on ignition electrode and thermocouple, its service life is improved.
Description
Technical field
The utility model relates to cooker burner technical field more particularly to a kind of built-in burnings of igniting needle thermocouple
Device.
Background technique
Gas-cooker, which refers to, carries out straight fire heating with gaseous fuels such as liquefied petroleum gas (liquid), artificial coal gas, natural gases
Kitchen utensils.Gas-cooker is called stone or metal plate for standing a stove on as a precaution against fire.At work, combustion gas enters in stove gas-cooker from air inlet pipe, by the adjusting of gas valve
(user is adjusted by knob) enters in burner, while mixing portion of air (the referred to as primary sky of this partial air
Gas), these mixed gas, which spray from the fire hole of distributor while being ignited device, lights to form flame (required sky when burning
Gas is referred to as auxiliary air), these flames are used to the cooker that heating is placed on pan bracket.
Ignition electrode and thermocouple in existing burner are generally positioned immediately in the lower section of cooker, and ignition electrode and thermocouple
It is directly exposed to outside；It can directly be contacted with ignition electrode and thermocouple after the soup etc. in cooker is overflowed, to cause to light a fire
The failure of needle and thermocouple；And there are security risks, and the outside that ignition electrode and thermocouple are directly exposed to burner is seemed
It is not beautiful enough.
To solve the above problems, proposing a kind of built-in burner of igniting needle thermocouple in the application.
Utility model content
(1) purpose of utility model
To solve technical problem present in background technique, the utility model proposes a kind of built-in combustions of igniting needle thermocouple
Burner, ignition electrode and thermocouple are hidden in the aesthetics that burner is improved below external ring fire cover by the utility model, and are kept away
Exempted from soup and directly trickled down the failure for causing ignition electrode and thermocouple on ignition electrode and thermocouple, substantially increase ignition electrode and
The service life of thermocouple.
(2) technical solution
To solve the above problems, the utility model provides a kind of built-in burner of igniting needle thermocouple, including burning
Device ontology, ignition electrode, thermocouple, connector, fire cover seat, outer ring fire cage, external ring fire cover and interior ring fire cover；In burner body
Equipped with the first inlet chamber and the second inlet chamber；Third threaded hole there are two being set on burner body；It is set above burner body
There is fire cover seat；The top of fire cover seat is equipped with outer ring fire cage；The top of outer ring fire cage is equipped with external ring fire cover；Interior ring fire cover is set to
Inside the ring of outer ring fire cage；Fire cover seat connects burner body；Fire cover seat includes the first plate body and the second plate body；Second plate body
Be projected as circle；The center point of second plate body is equipped with first through hole；First plate body connects the second plate body, and the first plate body is in circle
All spaced sets；First plate body is equipped with the first vertical threaded hole, and the first plate body is along on the direction towards first through hole
The first groove is offered on the first plate body and the second plate body；First bottom portion of groove is equipped with the second through-hole；Second through-hole is located at the
On two plate bodys；Outer ring fire cage is projected as circle；The upper end the center point of outer ring fire cage is equipped with the first annular groove；First annular groove
Center is equipped with fourth hole；The second annular groove is equipped at the upper end-face edge of outer ring fire cage；It is uniformly provided on second annular groove lateral wall
Second fire hole；The upper end of second annular groove lateral wall is equipped with the first fiery slot, and the upper end of the second annular groove inner sidewall is equipped with the second fiery slot；
The bottom of second annular groove is equipped with the second threaded hole and fifth hole；Third through-hole is equipped between second annular groove and the first annular groove；The
Three through-holes are circumferentially uniformly arranged centered on the center of circle of fourth hole；Wherein it is equipped in any one third through-hole for installing
The ignition electrode placing groove of ignition electrode and thermocouple placing groove for placing thermocouple；Close to the second of ignition electrode placing groove side
The inner wall of annular groove is equipped with the gas outlet for delivery of fuel gas；Along ignition electrode placing groove towards outer ring fire cage outer wall outside
The upper surface of ring fire cage opens up the second groove；Connector is successively threaded into the second threaded hole and the first threaded hole, for connecting
It starts to exchange fire cage and outer ring fire cage；External ring fire cover is mounted on the upper end of outer ring fire cage；External ring fire cover is projected as annular；Inner ring
The lower end surface of fire cover is connect with the first annular groove；The first fire hole is uniformly provided on interior ring fire cover；The air inlet of first inlet chamber connects
First ejector pipe；The air mixture of first ejector pipe conveying enters the first inlet chamber, and first through hole, the are successively passed through in air mixture
Four through-holes and the first fire hole；The air inlet of second inlet chamber connects the second ejector pipe；The gas of second ejector pipe conveying enters the
Two inlet chambers, gas enter the first groove by the second through-hole；Gas enters the second annular groove from third through-hole by the first groove again；
Gas in second annular groove is sprayed from the second fire hole；
Ignition electrode and thermocouple are threadably mounted at respectively in two third threaded holes on burner body；Ignition electrode and heat
The working end of galvanic couple is towards fire cover seat, and ignition electrode and thermocouple are located at the lower section of external ring fire cover.
Preferably, the first threaded hole is circumferentially uniformly arranged using the center of first through hole as the center of circle, and the first threaded hole
Quantity is not more than the quantity of the second threaded hole.
Preferably, fifth hole is quadrilateral hole, and fifth hole is circumferentially uniformly arranged using fourth hole as the center of circle.
Preferably, the first fiery slot and the second fiery slot are all oblique slot fire slot.
Preferably, the second groove and the second annular groove are not connected to.
Preferably, the first fire hole and the second fire hole are all round hole.
Preferably, the upper surface of external ring fire cover be inclined surface, and the upper surface of external ring fire cover from outer ledge to downward
It stretches.
Preferably, there are four the first plate body is set.
The above-mentioned technical proposal of the utility model has following beneficial technical effect: ignition electrode and thermocouple distinguish screw thread
It is mounted on burner body and ignition electrode and thermocouple is located at the lower section of external ring fire cover；When being cooked using burner, from cooking a meal
The soup overflowed on tool is fallen on external ring fire cover, and soup quickly slides from the external ring fire cover for being equipped with inclined end face and by high temperature
Flame treatment is fallen；The failure that ignition electrode and thermocouple are caused on ignition electrode and thermocouple is directly trickled down so as to avoid soup,
To substantially increase the service life of ignition electrode and thermocouple；And ignition electrode and thermocouple are hidden in the lower section of external ring fire cover
Improve the aesthetics of burner；When being cooked, the air mixture of the first ejector pipe conveying enters the first inlet chamber, gas
Successively pass through first through hole, fourth hole and the first fire hole, interior ring fire of the air mixture being ignited from the center of burner
It is sprayed in lid and cooker is heated；Main force's firepower is all concentrated on to the bottom of cooker；Second ejector pipe conveying gas into
Enter the second inlet chamber, gas successively passes through the second through-hole, the first groove, third through-hole, the second annular groove and the second fire hole, for pair
Combustion gas supplement air makes combustion gas full combustion, wherein from the ejection pair of the second fire hole after the combustion gas of inflow is ignited in the second annular groove
It is heated on the outside of cooker.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of built-in burner of igniting needle thermocouple schematic perspective view.
Fig. 2 be the utility model proposes a kind of built-in burner of igniting needle thermocouple explosive view.
Fig. 3 be the utility model proposes the stereochemical structure of the built-in burner moderate heat cage of igniting needle thermocouple a kind of show
It is intended to.
Fig. 4 be the utility model proposes a kind of built-in burner moderate heat cage of igniting needle thermocouple vertical view.
Fig. 5 be the utility model proposes a kind of built-in burner of igniting needle thermocouple in external ring fire cover seat three-dimensional knot
Structure schematic diagram.
Fig. 6 be the utility model proposes a kind of built-in burner of igniting needle thermocouple in external ring fire cover seat vertical view.
Appended drawing reference:
1, burner body；2, ignition electrode；3, thermocouple；4, connector；5, the first ejector pipe；6, the second ejector pipe；7,
Fire cover seat；71, first through hole；72, the first plate body；73, the first groove；74, the second through-hole；75, the second plate body；76, the first spiral shell
Pit；8, outer ring fire cage；81, the second groove；82, the second fire hole；83, the first fiery slot；84, the second annular groove；85, the second fire
Slot；86, third through-hole；87, fourth hole；88, fifth hole；89, the second threaded hole；9, external ring fire cover；10, interior ring fire cover；
11, the first fire hole；12, the first inlet chamber；13, the second inlet chamber；14, gas outlet；15, ignition electrode placing groove；16, thermocouple
Placing groove；17, the first annular groove.
Specific embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment
And referring to attached drawing, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit the scope of the utility model.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid not
Necessarily obscure the concept of the utility model.
Fig. 1 be the utility model proposes a kind of built-in burner of igniting needle thermocouple schematic perspective view.
Fig. 2 be the utility model proposes a kind of built-in burner of igniting needle thermocouple explosive view.
Fig. 3 be the utility model proposes the stereochemical structure of the built-in burner moderate heat cage of igniting needle thermocouple a kind of show
It is intended to.
Fig. 4 be the utility model proposes a kind of built-in burner moderate heat cage of igniting needle thermocouple vertical view.
Fig. 5 be the utility model proposes a kind of built-in burner of igniting needle thermocouple in external ring fire cover seat three-dimensional knot
Structure schematic diagram.
Fig. 6 be the utility model proposes a kind of built-in burner of igniting needle thermocouple in external ring fire cover seat vertical view.
As shown in figures 1 to 6, the utility model proposes a kind of built-in burner of igniting needle thermocouple, including burner sheet
Body 1, ignition electrode 2, thermocouple 3, connector 4, fire cover seat 7, outer ring fire cage 8, external ring fire cover 9 and interior ring fire cover 10；
The first inlet chamber 12 and the second inlet chamber 13 are equipped in burner body 1；Third there are two being set on burner body 1
Threaded hole；The top of burner body 1 is equipped with fire cover seat 7；The top of fire cover seat 7 is equipped with outer ring fire cage 8；Outer ring fire cage 8
Top be equipped with external ring fire cover 9；Interior ring fire cover 10 is set to inside the ring of outer ring fire cage 8；Fire cover seat 7 connects burner body 1；
Fire cover seat 7 includes the first plate body 72 and the second plate body 75；Second plate body 75 is projected as circle；The center point of second plate body 75 is set
There is first through hole 71；First plate body 72 connects the second plate body 75, and the first plate body 72 circumferentially spaced set；First plate body 72
Be equipped with the first vertical threaded hole 76, the first plate body 72 along towards on the direction of first through hole 71 in the first plate body 72 and the
The first groove 73 is offered on two plate bodys 75；First groove, 73 bottom is equipped with the second through-hole 74；Second through-hole 74 is located at the second plate
On body 75；Outer ring fire cage 8 is projected as circle；The upper end the center point of outer ring fire cage 8 is equipped with the first annular groove 17；First annular groove
17 center is equipped with fourth hole 87, the central coaxial setting with first through hole 71 of fourth hole 87；Outer ring fire cage 8 it is upper
The second annular groove 84 is equipped at end margin；It is uniformly provided with the second fire hole 82 on second annular groove, 84 lateral wall, the combustion gas of burning is from second
The edge of cooker is heated in the ejection of fire hole 82, guarantees that the combustion gas of burning is evenly heated cooker；Second annular groove 84
The upper end of lateral wall is equipped with the first fiery slot 83, and the upper end of 84 inner sidewall of the second annular groove is equipped with the second fiery slot 85；Second annular groove 84
Bottom be equipped with the second threaded hole 89 and fifth hole 88；Third through-hole 86 is equipped between second annular groove 84 and the first annular groove 17；
Air supplement is carried out by third through-hole 86, while realizing efficient burning, optimizes flame high-temperature region again, drop CO's significantly
It generates；Third through-hole 86 is circumferentially uniformly arranged centered on the center of circle of fourth hole 87；Wherein any one third through-hole 86
The interior thermocouple placing groove 16 being equipped with for installing the ignition electrode placing groove 15 of ignition electrode 2 and for placing thermocouple 3；By near point
The inner wall of second annular groove 84 of fiery 15 side of needle placing groove is equipped with the gas outlet 14 for delivery of fuel gas；It is put along ignition electrode
It sets slot 15 and opens up the second groove 81 in the upper surface of external ring fire cover seat 8 towards 8 outer wall of outer ring fire cage；It can be with from the second groove 81
Conveniently check the service condition of ignition electrode 2 and thermocouple 3；Connector 4 is successively threaded into the second threaded hole 89 and the first screw thread
Hole 76, for connecting fire cover seat 7 and outer ring fire cage 8；External ring fire cover 9 is mounted on the upper end of outer ring fire cage 8；
External ring fire cover 9 is projected as annular；The lower end surface of interior ring fire cover 10 is connect with the first annular groove 17；On interior ring fire cover 10
It is uniformly provided with the first fire hole 11；The air inlet of first inlet chamber 12 connects the first ejector pipe 5；The mixing of first ejector pipe 5 conveying
Combustion gas enters the first inlet chamber 12, and first through hole 71, fourth hole 87 and the first fire hole 11 are successively passed through in air mixture；Second into
The air inlet of air cavity 13 connects the second ejector pipe 6；The gas of second ejector pipe 6 conveying enters the second inlet chamber 13, and gas passes through
Second through-hole 74 enters the first groove 73；Gas enters the second annular groove 84 from third through-hole 86 by the first groove 73 again；Second ring
Gas in slot 84 is sprayed from the second fire hole 82；Ignition electrode 2 and thermocouple 3 are threadably mounted at two on burner body 1 respectively
In a third threaded hole；The working end of ignition electrode 2 and thermocouple 3 is towards fire cover seat 7, and ignition electrode 2 and thermocouple 3 are located at outer ring
The lower section of fire cover 9.
In an alternative embodiment, the first threaded hole 76 is circumferentially uniformly set using the center of first through hole 71 as the center of circle
It sets, and the quantity of the first threaded hole 76 is not more than the quantity of the second threaded hole 89.
In an alternative embodiment, fifth hole 88 is quadrilateral hole, and fifth hole 88 is with fourth hole 87
The center of circle is circumferentially uniformly arranged.
In an alternative embodiment, the first fiery slot 83 and the second fiery slot 85 are all oblique slot fire slot.
It should be noted that being equipped with the first fiery slot 83 and the second fiery slot 85 in the two sides of the second annular groove 84, avoid occurring back
Fiery phenomenon.
In an alternative embodiment, the second groove 81 is not connected to the second annular groove 84.
In an alternative embodiment, the first fire hole 11 and the second fire hole 82 are all round hole.
In an alternative embodiment, the upper surface of external ring fire cover 9 be inclined surface, and the upper surface of external ring fire cover 9 from
Extended downwardly at outer ledge, external ring fire cover 9 is equipped with the inclined surface that is internally recessed, can by the soup fallen from cooker from
It is quickly slid on inclined surface.
In an alternative embodiment, there are four the first plate body 72 is set.
In the utility model, ignition electrode 2 and thermocouple 3 are threadably mounted at burner body 1 and ignition electrode 2 and thermoelectricity respectively
Even 3 are located at the lower section of external ring fire cover 9；When being cooked using burner, the soup overflowed from cooker is fallen in external ring fire cover 9
On, soup quickly slides from the external ring fire cover 9 for being equipped with inclined end face and is fallen by high-temperature flame treatment；It is straight so as to avoid soup
It connects to trickle down and causes the failure of ignition electrode 2 and thermocouple 3 on ignition electrode 2 and thermocouple 3, to substantially increase 2 He of ignition electrode
The service life of thermocouple 3；And the lower section that ignition electrode 2 and thermocouple 3 are hidden in external ring fire cover 9 is improved to the beauty of burner
Property；When being cooked, the air mixture of the first ejector pipe 5 conveying enters the first inlet chamber 12, and it is logical that gas successively passes through first
Hole 71, fourth hole 87 and the first fire hole 11, the air mixture being ignited are sprayed out of interior ring fire cover 10 from the center of burner
Cooker is heated out；Main force's firepower is all concentrated on to the bottom of cooker；The gas of second ejector pipe 6 conveying enters second
Inlet chamber 13, gas successively pass through the second through-hole 74, the first groove 73, third through-hole 86, the second annular groove 84 and the second fire hole 82,
For making combustion gas full combustion to combustion gas supplement air, wherein the combustion gas flowed into the second annular groove 84 is fiery from second after being ignited
Hole 82 is sprayed to heating on the outside of cooker.
It should be understood that the above-mentioned specific embodiment of the utility model is used only for exemplary illustration or explains this reality
With novel principle, without constituting limitations of the present invention.Therefore, in the spirit and scope without departing from the utility model
In the case of any modification, equivalent substitution, improvement and etc. done, should be included within the scope of protection of this utility model.In addition,
The appended claims for the utility model are intended to cover to fall into attached claim scope and boundary or this range and boundary
Whole change and modification in equivalent form.
Claims (8)
1. a kind of built-in burner of igniting needle thermocouple, which is characterized in that including burner body (1), ignition electrode (2), heat
Galvanic couple (3), connector (4), fire cover seat (7), outer ring fire cage (8), external ring fire cover (9) and interior ring fire cover (10)；
The first inlet chamber (12) and the second inlet chamber (13) are equipped in burner body (1)；There are two being set on burner body (1)
Third threaded hole；The top of burner body (1) is equipped with fire cover seat (7)；The top of fire cover seat (7) is equipped with outer ring fire cage (8)；
The top of outer ring fire cage (8) is equipped with external ring fire cover (9)；Interior ring fire cover (10) is set to inside the ring of outer ring fire cage (8)；
Fire cover seat (7) connects burner body (1)；Fire cover seat (7) includes the first plate body (72) and the second plate body (75)；Second plate
Body (75) is projected as circle；The center point of second plate body (75) is equipped with first through hole (71)；First plate body (72) connection second
Plate body (75), and the first plate body (72) circumferentially spaced set；First plate body (72) is equipped with the first vertical threaded hole
(76), the first plate body (72) on the direction towards first through hole (71) on the first plate body (72) and the second plate body (75) along opening
Equipped with the first groove (73)；First groove (73) bottom is equipped with the second through-hole (74)；Second through-hole (74) is located at the second plate body
(75) on；
Outer ring fire cage (8) is projected as circle；The upper end the center point of outer ring fire cage (8) is equipped with the first annular groove (17)；First
The center of annular groove (17) is equipped with fourth hole (87)；The second annular groove (84) are equipped at the upper end-face edge of outer ring fire cage (8)；Second
The second fire hole (82) are uniformly provided on annular groove (84) lateral wall；The upper end of the second annular groove (84) lateral wall is equipped with the first fiery slot
(83), and the upper end of the second annular groove (84) inner sidewall is equipped with the second fiery slot (85)；The bottom of second annular groove (84) is equipped with the second spiral shell
Pit (89) and fifth hole (88)；Third through-hole (86) are equipped between second annular groove (84) and the first annular groove (17)；Third is logical
Hole (86) is circumferentially uniformly arranged centered on the center of circle of fourth hole (87)；Wherein it is equipped in any one third through-hole (86)
Thermocouple placing groove (16) for installing the ignition electrode placing groove (15) of ignition electrode (2) and for placing thermocouple (3)；It is close
The inner wall of second annular groove (84) of ignition electrode placing groove (15) side is equipped with the gas outlet (14) for delivery of fuel gas；Along
Ignition electrode placing groove (15) opens up the second groove (81) in the upper surface of external ring fire cover seat (8) towards outer ring fire cage (8) outer wall；
Connector (4) is successively threaded into the second threaded hole (89) and the first threaded hole (76), for connecting fire cover seat (7) and outer
Ring fire cage (8)；External ring fire cover (9) is mounted on the upper end of outer ring fire cage (8)；
External ring fire cover (9) is projected as annular；The lower end surface of interior ring fire cover (10) is connect with the first annular groove (17)；Interior ring fire cover
(10) the first fire hole (11) are uniformly provided on；
The air inlet of first inlet chamber (12) connects the first ejector pipe (5)；The air mixture of first ejector pipe (5) conveying enters the
First through hole (71), fourth hole (87) and the first fire hole (11) are successively passed through in one inlet chamber (12), air mixture；
The air inlet of second inlet chamber (13) connects the second ejector pipe (6)；Second ejector pipe (6) conveying gas enter second into
Air cavity (13), gas enter the first groove (73) by the second through-hole (74)；Gas is again by the first groove (73) from third through-hole
(86) enter the second annular groove (84)；Gas in second annular groove (84) is sprayed from the second fire hole (82)；
Ignition electrode (2) and thermocouple (3) are threadably mounted at respectively in two third threaded holes on burner body (1)；Igniting
The working end of needle (2) and thermocouple (3) is towards fire cover seat (7), and ignition electrode (2) and thermocouple (3) are located at external ring fire cover (9)
Lower section.
2. a kind of built-in burner of igniting needle thermocouple according to claim 1, which is characterized in that the first threaded hole
(76) it is circumferentially uniformly arranged using the center of first through hole (71) as the center of circle, and the quantity of the first threaded hole (76) is not more than second
The quantity of threaded hole (89).
3. a kind of built-in burner of igniting needle thermocouple according to claim 1, which is characterized in that fifth hole (88)
For quadrilateral hole, and fifth hole (88) is that the center of circle is circumferentially uniformly arranged with fourth hole (87).
4. a kind of built-in burner of igniting needle thermocouple according to claim 1, which is characterized in that the first fiery slot (83)
It is all oblique slot fire slot with the second fiery slot (85).
5. a kind of built-in burner of igniting needle thermocouple according to claim 1, which is characterized in that the second groove (81)
It is not connected to the second annular groove (84).
6. a kind of built-in burner of igniting needle thermocouple according to claim 1, which is characterized in that the first fire hole (11)
It is all round hole with the second fire hole (82).
7. a kind of built-in burner of igniting needle thermocouple according to claim 1, which is characterized in that external ring fire cover (9)
Upper surface be inclined surface, and the upper surface of external ring fire cover (9) extends downwardly from outer ledge.
8. a kind of built-in burner of igniting needle thermocouple according to claim 1, which is characterized in that the first plate body (72)
There are four if.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920057352.9U CN209558420U (en) | 2019-01-14 | 2019-01-14 | A kind of built-in burner of igniting needle thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920057352.9U CN209558420U (en) | 2019-01-14 | 2019-01-14 | A kind of built-in burner of igniting needle thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209558420U true CN209558420U (en) | 2019-10-29 |
Family
ID=68306082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920057352.9U Expired - Fee Related CN209558420U (en) | 2019-01-14 | 2019-01-14 | A kind of built-in burner of igniting needle thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209558420U (en) |
-
2019
- 2019-01-14 CN CN201920057352.9U patent/CN209558420U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 Termination date: 20210114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |