CN201779664U - Quick cutting torch of propane - Google Patents
Quick cutting torch of propane Download PDFInfo
- Publication number
- CN201779664U CN201779664U CN2010205363884U CN201020536388U CN201779664U CN 201779664 U CN201779664 U CN 201779664U CN 2010205363884 U CN2010205363884 U CN 2010205363884U CN 201020536388 U CN201020536388 U CN 201020536388U CN 201779664 U CN201779664 U CN 201779664U
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- Prior art keywords
- nozzle
- cutting torch
- core
- described cutting
- propane
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Abstract
The utility model discloses a quick cutting torch of propane, comprising a cutting torch sleeve and a cutting torch core positioned in the cutting torch sleeve, wherein the cutting torch core successively comprises a head part with steps and a body part from top to bottom; the head part of the cutting torch core is provided with a preheating oxygen inlet hole, a gas inlet hole and a mixed gas hole; an air injection passageway is formed between the cutting torch sleeve and the cutting torch core; the tail end of the mixed gas hole is communicated with the air injection passageway; the center of the cutting torch sleeve is provided with an oxygen hole; the lower end of the oxygen hole is inlaid with a Laval nozzle; the lower part of the cutting torch core is provided with a cannelure axially extending; and the diameter of the minimum diameter position in the middle of the Laval nozzle is 0.6-2.0 mm, the external diameter of the body of the cutting torch core is 8.8 mm, the length of the cutting torch core is 83.5 mm, and the length of the cutting torch sleeve is 62.5 mm. The utility model can cause fire discharge of the cutting torch to be stable so as to bring convenience for controlling the temperature and improving the cutting quality.
Description
(1) technical field
The utility model relates to a kind of propane divergent bore nozzle.
(2) background technology
The general structure of propane divergent bore nozzle is: comprise cutting torch cover and the cutting nozzle core that is positioned at described cutting torch cover, described cutting nozzle core is by last head and the body with step that comprise successively down certainly; The head of described cutting nozzle core offers preheat oxygen and advances hole, combustion gas entering opening and mix pore, forms jet channel between described cutting torch cover and the cutting nozzle core, the end of described mixing pore and described jet channel UNICOM; The central authorities of described cutting nozzle core are provided with oxygen outlet, and the lower end of described oxygen outlet is inlaid with Laval nozzle, and the bottom of described cutting nozzle core is provided with axially extended stria.Preheat oxygen advances hole feeding preheat oxygen during use, and the combustion gas entering opening feeds combustion gas, enters into jet channel after both mix then and finally spray from the stria of cutting nozzle core bottom in mixing pore.Oxygen enters and finally sprays from Laval nozzle from oxygen outlet.
The shortcoming that existing propane divergent bore nozzle also exists is: firing of cutting torch is stable inadequately, causes cutting temperature to be difficult to control, and cut quality is not high.
(3) summary of the invention
In order to overcome the above-mentioned deficiency of existing propane divergent bore nozzle, the utility model provides a kind of and fires stablely, is convenient to control cutting temperature, the propane divergent bore nozzle that cut quality is high.
The technical scheme in the invention for solving the technical problem is: a kind of propane divergent bore nozzle, comprise cutting torch cover and the cutting nozzle core that is positioned at described cutting torch cover, and described cutting nozzle core is by last head and the body with step that comprise successively down certainly; The head of described cutting nozzle core offers preheat oxygen and advances hole, combustion gas entering opening and mix pore, forms jet channel between described cutting torch cover and the cutting nozzle core, the end of described mixing pore and described jet channel UNICOM;
The central authorities of described cutting nozzle core are provided with oxygen outlet, and the lower end of described oxygen outlet is inlaid with Laval nozzle, and the bottom of described cutting nozzle core is provided with axially extended stria,
The diameter at the middle minimum diameter place of described Laval nozzle is 0.6～2.0mm, and the external diameter of the body of described cutting nozzle core is 8.8mm, and the length of described cutting nozzle core is 83.5mm, and the length of described cutting torch cover is 62.5mm.
Further, the utility model also comprises following additional technical feature:
The diameter at the middle minimum diameter place of described Laval nozzle is 0.6mm.
The diameter at the middle minimum diameter place of described Laval nozzle is 0.8mm.
The diameter at the middle minimum diameter place of described Laval nozzle is 1.0mm.
The diameter at the middle minimum diameter place of described Laval nozzle is 1.25mm.
The diameter at the middle minimum diameter place of described Laval nozzle is 1.5mm.
The diameter at the middle minimum diameter place of described Laval nozzle is 1.75mm.
The diameter at the middle minimum diameter place of described Laval nozzle is 2.0mm.
The beneficial effects of the utility model are: can make firing of cutting torch more stable, thereby be convenient to control temperature, improve cut quality.
(4) description of drawings
Fig. 1 is the structural representation of cutting torch cover.
Fig. 2 is the structural representation of cutting nozzle core.
(5) specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Embodiment one
With reference to Fig. 1, Fig. 2, a kind of propane divergent bore nozzle comprises cutting torch cover 1 and the cutting nozzle core 2 that is positioned at described cutting torch cover 1, and described cutting nozzle core 2 is by last head and the body with step that comprise successively down certainly; The head of described cutting nozzle core 2 offers preheat oxygen and advances hole 3, combustion gas entering opening 4 and mix pore 5, forms jet channel between described cutting torch cover 1 and the cutting nozzle core 2, the end of described mixing pore 5 and described jet channel UNICOM;
The central authorities of described cutting nozzle core 2 are provided with oxygen outlet 6, and the lower end of described oxygen outlet 6 is inlaid with Laval nozzle 7, and the bottom of described cutting nozzle core 2 is provided with axially extended stria;
The diameter at the middle minimum diameter place of described Laval nozzle 7 is 0.6mm, the external diameter of the body of described cutting nozzle core 2 is 8.8mm (tolerance of permission ± 0.1mm), the length of described cutting nozzle core 2 is 83.5mm (tolerance of permission ± 0.1mm), and the length of described cutting torch cover 1 is 62.5mm (tolerance of permission ± 0.1mm).
Embodiment two
With reference to Fig. 1, Fig. 2, a kind of propane divergent bore nozzle comprises cutting torch cover 1 and the cutting nozzle core 2 that is positioned at described cutting torch cover 1, and described cutting nozzle core 2 is by last head and the body with step that comprise successively down certainly; The head of described cutting nozzle core 2 offers preheat oxygen and advances hole 3, combustion gas entering opening 4 and mix pore 5, forms jet channel between described cutting torch cover 1 and the cutting nozzle core 2, the end of described mixing pore 5 and described jet channel UNICOM;
The central authorities of described cutting nozzle core 2 are provided with oxygen outlet 6, and the lower end of described oxygen outlet 6 is inlaid with Laval nozzle 7, and the bottom of described cutting nozzle core 2 is provided with axially extended stria;
The diameter at the middle minimum diameter place of described Laval nozzle 7 is 0.8mm, the external diameter of the body of described cutting nozzle core 2 is 8.8mm (tolerance of permission ± 0.1mm), the length of described cutting nozzle core 2 is 83.5mm (tolerance of permission ± 0.1mm), and the length of described cutting torch cover 1 is 62.5mm (tolerance of permission ± 0.1mm).
Embodiment three
With reference to Fig. 1, Fig. 2, a kind of propane divergent bore nozzle comprises cutting torch cover 1 and the cutting nozzle core 2 that is positioned at described cutting torch cover 1, and described cutting nozzle core 2 is by last head and the body with step that comprise successively down certainly; The head of described cutting nozzle core 2 offers preheat oxygen and advances hole 3, combustion gas entering opening 4 and mix pore 5, forms jet channel between described cutting torch cover 1 and the cutting nozzle core 2, the end of described mixing pore 5 and described jet channel UNICOM;
The central authorities of described cutting nozzle core 2 are provided with oxygen outlet 6, and the lower end of described oxygen outlet 6 is inlaid with Laval nozzle 7, and the bottom of described cutting nozzle core 2 is provided with axially extended stria;
The diameter at the middle minimum diameter place of described Laval nozzle 7 is 1.0mm, the external diameter of the body of described cutting nozzle core 2 is 8.8mm (tolerance of permission ± 0.1mm), the length of described cutting nozzle core 2 is 83.5mm (tolerance of permission ± 0.1mm), and the length of described cutting torch cover 1 is 62.5mm (tolerance of permission ± 0.1mm).
Embodiment four
With reference to Fig. 1, Fig. 2, a kind of propane divergent bore nozzle comprises cutting torch cover 1 and the cutting nozzle core 2 that is positioned at described cutting torch cover 1, and described cutting nozzle core 2 is by last head and the body with step that comprise successively down certainly; The head of described cutting nozzle core 2 offers preheat oxygen and advances hole 3, combustion gas entering opening 4 and mix pore 5, forms jet channel between described cutting torch cover 1 and the cutting nozzle core 2, the end of described mixing pore 5 and described jet channel UNICOM;
The central authorities of described cutting nozzle core 2 are provided with oxygen outlet 6, and the lower end of described oxygen outlet 6 is inlaid with Laval nozzle 7, and the bottom of described cutting nozzle core 2 is provided with axially extended stria;
The diameter at the middle minimum diameter place of described Laval nozzle 7 is 1.25mm, the external diameter of the body of described cutting nozzle core 2 is 8.8mm (tolerance of permission ± 0.1mm), the length of described cutting nozzle core 2 is 83.5mm (tolerance of permission ± 0.1mm), and the length of described cutting torch cover 1 is 62.5mm (tolerance of permission ± 0.1mm).
Embodiment five
With reference to Fig. 1, Fig. 2, a kind of propane divergent bore nozzle comprises cutting torch cover 1 and the cutting nozzle core 2 that is positioned at described cutting torch cover 1, and described cutting nozzle core 2 is by last head and the body with step that comprise successively down certainly; The head of described cutting nozzle core 2 offers preheat oxygen and advances hole 3, combustion gas entering opening 4 and mix pore 5, forms jet channel between described cutting torch cover 1 and the cutting nozzle core 2, the end of described mixing pore 5 and described jet channel UNICOM;
The central authorities of described cutting nozzle core 2 are provided with oxygen outlet 6, and the lower end of described oxygen outlet 6 is inlaid with Laval nozzle 7, and the bottom of described cutting nozzle core 2 is provided with axially extended stria;
The diameter at the middle minimum diameter place of described Laval nozzle 7 is 1.5mm, the external diameter of the body of described cutting nozzle core 2 is 8.8mm (tolerance of permission ± 0.1mm), the length of described cutting nozzle core 2 is 83.5mm (tolerance of permission ± 0.1mm), and the length of described cutting torch cover 1 is 62.5mm (tolerance of permission ± 0.1mm).
Embodiment six
With reference to Fig. 1, Fig. 2, a kind of propane divergent bore nozzle comprises cutting torch cover 1 and the cutting nozzle core 2 that is positioned at described cutting torch cover 1, and described cutting nozzle core 2 is by last head and the body with step that comprise successively down certainly; The head of described cutting nozzle core 2 offers preheat oxygen and advances hole 3, combustion gas entering opening 4 and mix pore 5, forms jet channel between described cutting torch cover 1 and the cutting nozzle core 2, the end of described mixing pore 5 and described jet channel UNICOM;
The central authorities of described cutting nozzle core 2 are provided with oxygen outlet 6, and the lower end of described oxygen outlet 6 is inlaid with Laval nozzle 7, and the bottom of described cutting nozzle core 2 is provided with axially extended stria;
The diameter at the middle minimum diameter place of described Laval nozzle 7 is 1.75mm, the external diameter of the body of described cutting nozzle core 2 is 8.8mm (tolerance of permission ± 0.1mm), the length of described cutting nozzle core 2 is 83.5mm (tolerance of permission ± 0.1mm), and the length of described cutting torch cover 1 is 62.5mm (tolerance of permission ± 0.1mm).
Embodiment seven
With reference to Fig. 1, Fig. 2, a kind of propane divergent bore nozzle comprises cutting torch cover 1 and the cutting nozzle core 2 that is positioned at described cutting torch cover 1, and described cutting nozzle core 2 is by last head and the body with step that comprise successively down certainly; The head of described cutting nozzle core 2 offers preheat oxygen and advances hole 3, combustion gas entering opening 4 and mix pore 5, forms jet channel between described cutting torch cover 1 and the cutting nozzle core 2, the end of described mixing pore 5 and described jet channel UNICOM;
The central authorities of described cutting nozzle core 2 are provided with oxygen outlet 6, and the lower end of described oxygen outlet 6 is inlaid with Laval nozzle 7, and the bottom of described cutting nozzle core 2 is provided with axially extended stria;
The diameter at the middle minimum diameter place of described Laval nozzle 7 is 2.0mm, the external diameter of the body of described cutting nozzle core 2 is 8.8mm (tolerance of permission ± 0.1mm), the length of described cutting nozzle core 2 is 83.5mm (tolerance of permission ± 0.1mm), and the length of described cutting torch cover 1 is 62.5mm (tolerance of permission ± 0.1mm).
Claims (8)
1. a propane divergent bore nozzle comprises cutting torch cover and the cutting nozzle core that is positioned at described cutting torch cover, and described cutting nozzle core is by last head and the body with step that comprise successively down certainly; The head of described cutting nozzle core offers preheat oxygen and advances hole, combustion gas entering opening and mix pore, forms jet channel between described cutting torch cover and the cutting nozzle core, the end of described mixing pore and described jet channel UNICOM;
The central authorities of described cutting nozzle core are provided with oxygen outlet, and the lower end of described oxygen outlet is inlaid with Laval nozzle, and the bottom of described cutting nozzle core is provided with axially extended stria, it is characterized in that:
The diameter at the middle minimum diameter place of described Laval nozzle is 0.6～2.0mm, and the external diameter of the body of described cutting nozzle core is 8.8mm, and the length of described cutting nozzle core is 83.5mm, and the length of described cutting torch cover is 62.5mm.
2. propane divergent bore nozzle as claimed in claim 1 is characterized in that: the diameter at the middle minimum diameter place of described Laval nozzle is 0.6mm.
3. propane divergent bore nozzle as claimed in claim 1 is characterized in that: the diameter at the middle minimum diameter place of described Laval nozzle is 0.8mm.
4. propane divergent bore nozzle as claimed in claim 1 is characterized in that: the diameter at the middle minimum diameter place of described Laval nozzle is 1.0mm.
5. propane divergent bore nozzle as claimed in claim 1 is characterized in that: the diameter at the middle minimum diameter place of described Laval nozzle is 1.25mm.
6. propane divergent bore nozzle as claimed in claim 1 is characterized in that: the diameter at the middle minimum diameter place of described Laval nozzle is 1.5mm.
7. propane divergent bore nozzle as claimed in claim 1 is characterized in that: the diameter at the middle minimum diameter place of described Laval nozzle is 1.75mm.
8. propane divergent bore nozzle as claimed in claim 1 is characterized in that: the diameter at the middle minimum diameter place of described Laval nozzle is 2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205363884U CN201779664U (en) | 2010-09-15 | 2010-09-15 | Quick cutting torch of propane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205363884U CN201779664U (en) | 2010-09-15 | 2010-09-15 | Quick cutting torch of propane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201779664U true CN201779664U (en) | 2011-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205363884U Expired - Fee Related CN201779664U (en) | 2010-09-15 | 2010-09-15 | Quick cutting torch of propane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201779664U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328042A (en) * | 2011-07-12 | 2012-01-25 | 陈寅明 | Integral continuous casting cutting nozzle and processing method thereof |
| CN103712214A (en) * | 2012-10-05 | 2014-04-09 | 青岛国胜焊割设备有限公司 | Sleeve-type cutting torch |
| CN104801817A (en) * | 2015-03-24 | 2015-07-29 | 青岛科技大学 | Novel cutting opening and processing method thereof |
-
2010
- 2010-09-15 CN CN2010205363884U patent/CN201779664U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328042A (en) * | 2011-07-12 | 2012-01-25 | 陈寅明 | Integral continuous casting cutting nozzle and processing method thereof |
| CN102328042B (en) * | 2011-07-12 | 2013-05-29 | 陈寅明 | Integral continuous casting cutting nozzle and processing method thereof |
| CN103712214A (en) * | 2012-10-05 | 2014-04-09 | 青岛国胜焊割设备有限公司 | Sleeve-type cutting torch |
| CN104801817A (en) * | 2015-03-24 | 2015-07-29 | 青岛科技大学 | Novel cutting opening and processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20150915 |
|
| EXPY | Termination of patent right or utility model |