CN104048295A - Double-gas elbow bend spraying head - Google Patents
Double-gas elbow bend spraying head Download PDFInfo
- Publication number
- CN104048295A CN104048295A CN201410300320.9A CN201410300320A CN104048295A CN 104048295 A CN104048295 A CN 104048295A CN 201410300320 A CN201410300320 A CN 201410300320A CN 104048295 A CN104048295 A CN 104048295A
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- China
- Prior art keywords
- nozzle
- carrier
- connecting plate
- combustion gas
- inner nozzle
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Abstract
The invention discloses a double-gas elbow bend spraying head which comprises a nozzle holder (1). A nozzle is formed in one end of the nozzle holder (1), and the spraying head is characterized in that the nozzle comprises an outer nozzle (2) and an inner nozzle (3), the nozzle holder (1) is sleeved with the end, close to the nozzle holder (1), of the outer nozzle (2), the outer nozzle (2) is in threaded connection with the nozzle holder (1), the inner nozzle (3) is formed in the nozzle holder (1), the inner nozzle (3) is fixed to the nozzle holder (1) through a connecting plate (4), and when the outer nozzle (2) descends to the limitation position, the outer surface of the inner nozzle (3) is combined and sealed with the inner surface of the outer nozzle (2) in an abutting mode. The double-gas elbow bend spraying head is general for supplying of two kinds of gas, in the process of replacing the fuel gas by an operator, a joint is not required to be replaced, and operation is easy and convenient.
Description
Technical field
The present invention relates to the technical field of gas utensil, specifically a kind of pair of combustion gas quarter bend shower nozzle.
Background technology
Combustion gas is the general name of gaseous fuel, and it can burn and emit heat, for city dweller and industrial enterprise.Existing combustion gas kind is more, and wherein widely used have natural gas and a liquefied gas.And because the calorific value of natural gas and liquefied gas is different, while therefore using on same gas utensil, the injection flow of the combustion gas that it is required is different, this just makes for regard to gas utensil, in order to adapt to the requirement of different air feed, often need to be equipped with respectively the joint that is applicable to natural gas and liquefied gas, be not difficult to find out thus, when user changes air feed kind, described gas utensil all needs to change corresponding joint, this has not only additionally increased more standby joint, has increased cost of manufacture, also operating personnel is changed to air supply source and brings operational inconvenience simultaneously.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of that be common to two kinds of fuel gas supplies and operating personnel are changed in gas process without changing joint, two combustion gas quarter bend shower nozzles easy and simple to handle.
The technical solution used in the present invention is: a kind of pair of combustion gas quarter bend shower nozzle is provided, it comprises nozzle carrier, one end of described nozzle carrier is provided with nozzle, the other end of nozzle carrier is connected with supply air line, described nozzle comprises outer nozzle and inner nozzle, one end of the nearly nozzle carrier of outer nozzle is placed on outside nozzle carrier, and outer nozzle is threaded with nozzle carrier, inner nozzle is placed in nozzle carrier, and described inner nozzle and nozzle carrier are fixed by connecting plate, the extended line conllinear of the extended line of inner nozzle axis and outer nozzle axis, the upper end of described inner nozzle extends to nozzle carrier top and is positioned at the cavity of outer nozzle, the hole internal diameter of the fumarole on described outer nozzle is greater than the hole internal diameter of the fumarole on inner nozzle, and the hole internal diameter of the fumarole on outer nozzle is less than the external diameter of inner nozzle, when described outer nozzle comes downwards to extreme position, the outer surface of inner nozzle and the contacted inner surfaces of outer nozzle close, the bore of the air supply channel in described nozzle carrier is greater than the external diameter of inner nozzle.
Adopt after above structure, a kind of pair of combustion gas quarter bend shower nozzle of the present invention compared with prior art has the following advantages: first, by the structure of inner nozzle and outer nozzle, make a shower nozzle be applicable to the air feed demand of two kinds of flow gas, and just can move by threaded adjusting outer nozzle by rotation outer nozzle, realizing the switching of different flow, is that operating personnel are easy to operate, without the extra joint of dismounting and change.
As a kind of improvement, the outer surface of described nozzle and the contacted inner surfaces of outer nozzle close and seal and refer to, described inner nozzle is provided with an annular arc surface, position corresponding with annular arc surface on the inwall of described outer nozzle is provided with a conical surface, when described outer nozzle comes downwards to extreme position, described annular arc surface and the conical surface offset and close and seal.When annular arc surface and the conical surface lean, the power that is squeezed, on described arc surface, stress deformation is close to the conical surface, makes thus air-tightness better.
As another kind, improve, in the cavity of described outer nozzle, nearly nozzle carrier one end is provided with internal thread, described nozzle carrier is provided with the external screw thread matching with internal thread, and between described internal thread and external screw thread, is provided with for sealing internal thread and externally threaded refractory seals layer.By packed layer being set between internal thread and external screw thread, described refractory seals layer, can make the inner chamber of outer nozzle form closed cavity, prevents that combustion gas from overflowing from the seam crossing of screw thread.
As preferably, described connecting plate is three, and whole connecting plate being circumferentially uniformly distributed along inner nozzle.By the fixing inner nozzle of three connecting plates, can be effectively spacing to the horizontal plane direction of inner nozzle, from but the fumarole of inner nozzle is positioned at the position, axis of outer nozzle all the time.
Further, described inner nozzle and nozzle carrier fixedly refer to by connecting plate, in the cavity of described nozzle carrier, the position corresponding with inner nozzle is provided with step surface, one side of described connecting plate and the lateral wall of inner nozzle are fixed, the opposite side of connecting plate and the inwall of nozzle carrier are slidably matched, and the lower surface of connecting plate and described step surface lean.By step surface, arrange, can make the setting position along axis direction of inner nozzle fix, in dismountable inner nozzle convenient operation personnel maintenance process, for the inner nozzle stopping up or damage, change simultaneously.
As last a kind of improvement, described nozzle carrier comprises the transverse tube of along continuous straight runs and the standpipe of vertical direction, described transverse tube and standpipe are fixed and are communicated with, and described transverse tube is connected with supply air line away from one end of vertical tube, and described standpipe is fixed with nozzle and is communicated with away from the upper end of transverse tube.
Accompanying drawing explanation
Fig. 1 is the working state structure schematic diagram of a kind of pair of combustion gas quarter bend shower nozzle of the present invention.
Fig. 2 is the another kind of working state structure schematic diagram of a kind of pair of combustion gas quarter bend shower nozzle of the present invention.
Fig. 3 be in Fig. 1 " A-A " position analyse and observe enlarged diagram.
Fig. 4 is the right view of a kind of pair of combustion gas quarter bend shower nozzle of the present invention.
Fig. 5 is the local enlarged diagram in " B " region in Fig. 2.
Wherein, 1, nozzle carrier, 1.1, air supply channel, 1.2, step surface, 1.3, transverse tube, 1.4, standpipe, 2, outer nozzle, 2.1, the conical surface, 3, inner nozzle, 3.1, annular arc surface, 4, connecting plate, 5, joint, 6, installing plate, 6.1, installing hole.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in the figure, the invention provides a kind of pair of combustion gas quarter bend shower nozzle, it comprises nozzle carrier 1, one end of described nozzle carrier 1 is provided with nozzle, the other end of nozzle carrier 1 is connected with supply air line, described nozzle comprises outer nozzle 2 and inner nozzle 3, one end of outer nozzle 2 nearly nozzle carriers 1 is placed on outside nozzle carrier 1, and outer nozzle 2 is threaded with nozzle carrier 1, inner nozzle 3 is placed in nozzle carrier 1, and described inner nozzle 3 is fixing by connecting plate 4 with nozzle carrier 1, the extended line conllinear of the extended line of inner nozzle 3 axis and outer nozzle 2 axis.As preferably, the axis of one end of the nearly inner nozzle 3 of described nozzle carrier 1 and the axis conllinear of inner nozzle 3, and the fumarole on described inner nozzle 3 and outer nozzle 2 is all positioned on axis separately, when certain described fumarole is a plurality of, the axis of the fumarole of above-mentioned indication refers to the geometric center of its whole fumaroles.The upper end of described inner nozzle 3 extends to nozzle carrier 1 top and is positioned at the cavity of outer nozzle 2, the hole internal diameter of the fumarole on described outer nozzle 2 is greater than the hole internal diameter of the fumarole on inner nozzle 3, and the hole internal diameter of the fumarole on outer nozzle 2 is less than the external diameter of inner nozzle 3, when described outer nozzle 2 comes downwards to extreme position, the contacted inner surfaces of the outer surface of inner nozzle 3 and outer nozzle 2 closes, and the bore of the air supply channel 1.1 in described nozzle carrier 1 is greater than the external diameter of inner nozzle 3.That is to say, when outer nozzle 2 comes downwards to extreme position, the outer surface of described inner nozzle 3 is divided into upper and lower two chambers by the inner chamber of outer nozzle 2, the upper chamber of outer nozzle 2 is connected with inner nozzle 3 by the fumarole of inner nozzle 3, and the air inlet of the lower chambers of outer nozzle 2 by the lower end of inner nozzle 3 is connected with inner nozzle 3, thus, from the combustion gas of the air supply channel 1.1 interior supplies of nozzle carrier 1, all by the fumarole of inner nozzle 3, through the fumarole of outer nozzle 2, spray, thus, the flow of described combustion gas is subject to the restriction of aperture less inner nozzle 3 fumaroles, realizing low discharge supplies with.Contrary, when the inner chamber of exercising described outer nozzle 2 on outer nozzle 2 is no longer separated by the outer surface of inner nozzle 3, the combustion gas part footpath inner nozzle 3 of being supplied with by air supply channel 1.1 and outer nozzle 2 ejections, a part is by air supply channel 1.1 direct footpath outer nozzles 2 ejections, and the flow of described combustion gas is only subject to the restriction in aperture of the fumarole of outer nozzle 3 thus.The air supply channel 1.1 of above-mentioned indication refers to the caliber of nozzle carrier 1 nearly inner nozzle 3 one end, when the caliber everywhere of described air supply channel 1.1 is different certainly, the external diameter that the bore of described air supply channel 1.1 is greater than inner nozzle 3 refers to, the bore of one end that itself and inner nozzle 3 lean is greater than the external diameter of inner nozzle 3, guarantees that described gas can pass through from the inside and outside both sides of inner nozzle 3 simultaneously.
The outer surface of described nozzle 3 and the contacted inner surfaces of outer nozzle 2 close and seal and refer to, described inner nozzle 3 is provided with an annular arc surface 3.1, position corresponding with annular arc surface 3.1 on the inwall of described outer nozzle 2 is provided with a conical surface 2.1, when described outer nozzle 2 comes downwards to extreme position, described annular arc surface 3.1 offsets and closes and seal with the conical surface 2.1.When annular arc surface 3.1 leans with the conical surface, first, between annular arc surface 3.1 and the conical surface 2.1, be that line contacts, subsequently, when the pressure that is subject to becomes large, the distortion that is squeezed of described annular arc surface 3.1, is that face contacts with contacting between the conical surface 2.1, and the face of above-mentioned compression laminating makes the connected sealing ring of ending of an annular, reach thus good sealing effectiveness.
In the cavity of described outer nozzle 2, nearly nozzle carrier 1 one end is provided with internal thread, and described nozzle carrier 1 is provided with the external screw thread matching with internal thread, and between described internal thread and external screw thread, is provided with for sealing internal thread and externally threaded refractory seals layer.Owing to being difficult for observing in described accompanying drawing, thus the refractory seals layer in figure and described in not shown, this refractory seals layer is a kind of anaerobism glue-line, it is filled between the gap of external screw thread and internal thread, thereby reaches good sealing effectiveness.
Described connecting plate 4 is three, and whole connecting plate 4 being circumferentially uniformly distributed along inner nozzle 3.
Described inner nozzle 3 fixedly refers to by connecting plate 4 with nozzle carrier 1, in the cavity of described nozzle carrier 1, the position corresponding with inner nozzle 3 is provided with step surface 1.2, one side of described connecting plate 4 and the lateral wall of inner nozzle 3 are fixed, the inwall of the opposite side of connecting plate 4 and nozzle carrier 1 is slidably matched, and the lower surface of connecting plate 4 and described step surface 1.2 lean.
Described nozzle carrier 1 comprises the transverse tube 1.3 of along continuous straight runs and the standpipe 1.4 of vertical direction, described transverse tube 1.3 and standpipe 1.4 are fixed and are communicated with, described transverse tube 1.3 is connected with supply air line by joint 5 away from one end of vertical tube 1.4, and described standpipe 1.4 is fixed with nozzle and is communicated with away from the upper end of transverse tube 1.3.
In addition, on described nozzle carrier 1, be also provided with for fixing installing plate 6 is installed, described installing plate 6 be provided with for the fixing installing hole 6.1 of outside support.
Its operation principle is, in the time need to using the nozzle of low discharge state, by rotation outer nozzle 2, make outer nozzle 2 at one end descending towards 1 of nozzle carrier under the driving of screw thread, during to extreme position, the conical surface in described outer nozzle 2 2.1 leans and seals with the annular arc surface 3.1 on inner nozzle 3, and mentioned above supporting closed, thus, combustion gas is sprayed and is put the outside burning use of supplying with by air supply channel 1.1, inner nozzle 3, outer nozzle 2 successively.In like manner, when needs are used the nozzle of large flow status, by rotation outer nozzle 2, making to exercise on outer nozzle 2 inner surface of outer nozzle and the outer surface of inner nozzle 3 throws off, combustion gas is by steam line 1.1 thus, inner nozzle 3, outer nozzle 2, and by steam line 1.1, outer nozzle 2 these 2 paths spray puts the outside burning use of supplying with, that is to say, when the outer surface of described inner nozzle 3 and the inner surface of outer nozzle 2 not against time, the disabler of the restriction gas flow of described inner nozzle 3, the flow list of combustion gas is by the limited aperture of the fumarole of outer nozzle.
Just preferred embodiment of the present invention is described above, but can not be interpreted as it is limitations on claims.The present invention is not only confined to above embodiment, and its concrete structure allows to change, and all various variations of doing in the protection domain of demand for independence of the present invention are all in protection scope of the present invention.
Claims (6)
1. a two combustion gas quarter bend shower nozzle, it comprises nozzle carrier (1), one end of described nozzle carrier (1) is provided with nozzle, the other end of nozzle carrier (1) is connected with supply air line, it is characterized in that: described nozzle comprises outer nozzle (2) and inner nozzle (3), one end of the nearly nozzle carrier (1) of outer nozzle (2) is placed on outside nozzle carrier (1), and outer nozzle (2) is threaded with nozzle carrier (1), inner nozzle (3) is placed in nozzle carrier (1), and described inner nozzle (3) is fixing by connecting plate (4) with nozzle carrier (1), the extended line conllinear of the extended line of inner nozzle (3) axis and outer nozzle (2) axis, the upper end of described inner nozzle (3) extends to nozzle carrier (1) top and is positioned at the cavity of outer nozzle (2), the hole internal diameter of the fumarole on described outer nozzle (2) is greater than the hole internal diameter of the fumarole on inner nozzle (3), and the hole internal diameter of the fumarole on outer nozzle (2) is less than the external diameter of inner nozzle (3), when described outer nozzle (2) comes downwards to extreme position, the contacted inner surfaces of the outer surface of inner nozzle (3) and outer nozzle (2) closes and seals, the bore of the air supply channel (1.1) in described nozzle carrier (1) is greater than the external diameter of inner nozzle (3).
2. a kind of pair of combustion gas quarter bend shower nozzle according to claim 1, it is characterized in that: the contacted inner surfaces of the outer surface of described nozzle (3) and outer nozzle (2) closes and seals and refers to, described inner nozzle (3) is provided with an annular arc surface (3.1), position corresponding with annular arc surface (3.1) on the inwall of described outer nozzle (2) is provided with a conical surface (2.1), when described outer nozzle (2) comes downwards to extreme position, described annular arc surface (3.1) offsets and closes and seal with the conical surface (2.1).
3. a kind of pair of combustion gas quarter bend shower nozzle according to claim 1, it is characterized in that: in the cavity of described outer nozzle (2), nearly nozzle carrier (1) one end is provided with internal thread, described nozzle carrier (1) is provided with the external screw thread matching with internal thread, and between described internal thread and external screw thread, is provided with for sealing internal thread and externally threaded refractory seals layer.
4. a kind of pair of combustion gas quarter bend shower nozzle according to claim 1, is characterized in that: described connecting plate (4) is three, and whole connecting plate (4) being circumferentially uniformly distributed along inner nozzle (3).
5. a kind of pair of combustion gas quarter bend shower nozzle according to claim 1, it is characterized in that: described inner nozzle (3) fixedly refers to by connecting plate (4) with nozzle carrier (1), in the cavity of described nozzle carrier (1), the position corresponding with inner nozzle (3) is provided with step surface (1.2), the lateral wall of one side of described connecting plate (4) and inner nozzle (3) is fixed, the inwall of the opposite side of connecting plate (4) and nozzle carrier (1) is slidably matched, and the lower surface of connecting plate (4) and described step surface (1.2) lean.
6. a kind of pair of combustion gas quarter bend shower nozzle according to claim 1, it is characterized in that: described nozzle carrier (1) comprises the transverse tube (1.3) of along continuous straight runs and the standpipe (1.4) of vertical direction, described transverse tube (1.3) and standpipe (1.4) are fixed and are communicated with, described transverse tube (1.3) is connected with supply air line by joint (5) away from one end of vertical tube (1.4), and described standpipe (1.4) is fixed with nozzle and is communicated with away from the upper end of transverse tube (1.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410300320.9A CN104048295A (en) | 2014-06-27 | 2014-06-27 | Double-gas elbow bend spraying head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410300320.9A CN104048295A (en) | 2014-06-27 | 2014-06-27 | Double-gas elbow bend spraying head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104048295A true CN104048295A (en) | 2014-09-17 |
Family
ID=51501480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410300320.9A Pending CN104048295A (en) | 2014-06-27 | 2014-06-27 | Double-gas elbow bend spraying head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104048295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345481A (en) * | 2019-07-19 | 2019-10-18 | 华帝股份有限公司 | Nozzle assembly and gas stove using same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2517877A (en) * | 1944-03-31 | 1950-08-08 | Alva K Hinchman | Nozzle and tip for burning and welding torches |
| CN1938101A (en) * | 2004-01-30 | 2007-03-28 | 燃烧器系统国际有限公司 | Mechanically sealed adjustable gas nozzle |
| CN201103903Y (en) * | 2007-10-31 | 2008-08-20 | 宗高雄 | Multifunctional nozzle |
| CN201327037Y (en) * | 2008-10-27 | 2009-10-14 | 江阴市锅炉容器厂 | Novel adjustable nozzle for gas burner |
| CN202708382U (en) * | 2012-08-13 | 2013-01-30 | 浙江飞挺管业有限公司 | Bearing movable joint |
| CN202733902U (en) * | 2012-08-17 | 2013-02-13 | 四川天健催化燃烧有限公司 | Adjustable gas nozzle |
| CN202812295U (en) * | 2012-08-20 | 2013-03-20 | 宁波昌华铜制品有限公司 | Dual-use gas elbow control valve |
| CN203907616U (en) * | 2014-06-27 | 2014-10-29 | 宁波万安股份有限公司 | Double gas elbow bend spray nozzle |
-
2014
- 2014-06-27 CN CN201410300320.9A patent/CN104048295A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2517877A (en) * | 1944-03-31 | 1950-08-08 | Alva K Hinchman | Nozzle and tip for burning and welding torches |
| CN1938101A (en) * | 2004-01-30 | 2007-03-28 | 燃烧器系统国际有限公司 | Mechanically sealed adjustable gas nozzle |
| CN201103903Y (en) * | 2007-10-31 | 2008-08-20 | 宗高雄 | Multifunctional nozzle |
| CN201327037Y (en) * | 2008-10-27 | 2009-10-14 | 江阴市锅炉容器厂 | Novel adjustable nozzle for gas burner |
| CN202708382U (en) * | 2012-08-13 | 2013-01-30 | 浙江飞挺管业有限公司 | Bearing movable joint |
| CN202733902U (en) * | 2012-08-17 | 2013-02-13 | 四川天健催化燃烧有限公司 | Adjustable gas nozzle |
| CN202812295U (en) * | 2012-08-20 | 2013-03-20 | 宁波昌华铜制品有限公司 | Dual-use gas elbow control valve |
| CN203907616U (en) * | 2014-06-27 | 2014-10-29 | 宁波万安股份有限公司 | Double gas elbow bend spray nozzle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345481A (en) * | 2019-07-19 | 2019-10-18 | 华帝股份有限公司 | Nozzle assembly and gas stove using same |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20140917 |