CN213677399U - Non-return material air nozzle - Google Patents
Non-return material air nozzle Download PDFInfo
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- CN213677399U CN213677399U CN202121227344.8U CN202121227344U CN213677399U CN 213677399 U CN213677399 U CN 213677399U CN 202121227344 U CN202121227344 U CN 202121227344U CN 213677399 U CN213677399 U CN 213677399U
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- air nozzle
- air
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- top column
- shell
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Abstract
The utility model discloses a non return material air nozzle, including the air cock shell, be provided with cylindrical cavity in the air cock shell, be located cylindrical cavity internalization and be provided with the fore-set, fore-set and air cock shell inner wall sealing connection, the rear of air cock shell is provided with the butt device that is used for the butt to connect the fore-set, the utility model discloses can carry out one-way water conservancy diversion with gas to can also avoid the material to get into the intake pipe, facilitate the use, and overall structure is simple, low in manufacturing cost, equipment simple to operate improves the result of use greatly.
Description
Technical Field
The utility model relates to an air nozzle, specific theory relates to a simple structure, and convenient to use can prevent the non return material air nozzle of material backward flow, belongs to powder packaging technical field.
Background
The powder products are various, can relate to a plurality of industries such as industrial mineral powder, food, agricultural and sideline products and the like, and relate to a plurality of products such as milk powder, starch, pesticides, veterinary drugs, premix compounds, feeds and the like; industrial mineral powders, such as: calcium carbonate, talcum powder, graphite powder, kaolin, calcium hydroxide, light calcium carbonate and coal powder.
The powder has small powder particles and large powder quantity, when the powder is packaged in the prior art, as shown in figure 1, the powder produced on a production line firstly enters a cache storage tank 1 for caching, a discharge pipe 2 is arranged below the cache storage tank 1 and is connected with powder packaging equipment, the powder in the cache storage tank 1 enters the discharge pipe 2 through self weight and is supplied to the powder packaging equipment for packaging, but after the continuously produced powder on the powder production line enters the cache storage tank 1, a large amount of powder is easy to deposit and become solid in the cache storage tank 1, so that a cavity is formed at a position close to a discharge port in the cache storage tank 1 to cause blocked discharge, in order to solve the problem, the technical means adopted in the prior art is that an air injection pipe 3 is arranged at a position close to the discharge port at the lower end of the cache storage tank 1, the air injection pipe 3 is connected with an external air blowing device 4, so that the air blown out by the air blowing device 4 is blown into the cache storage tank 1 through the guidance of, the powder is dispersed, the deposition is prevented from becoming solid, and the discharging is convenient.
However, when the machine is stopped and packaged, the powder in the buffer storage tank 1 is easy to flow back into the gas nozzle 3, the gas nozzle 3 is easy to block due to year-round accumulation, the use is very inconvenient, and frequent maintenance is needed.
For solving the problem that the one-way air guide prevents that the powder from flowing backward, also adopt to install the check valve additional on jet-propelled pipe 3 and lead the air guide, but current check valve overall structure is simple, and it is inconvenient to use to install on jet-propelled pipe 3 additional after only can realize one-way air guide, can not solve the powder problem of flowing backward, and the check valve can not effectively be adjusted the volume of blowing, and it is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to provide a simple structure, convenient to use can prevent the non return material air nozzle of material backward flow.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a non return material air nozzle, includes the air cock shell, is provided with cylindrical cavity in the air cock shell, is located cylindrical cavity internalization and is provided with the fore-set, the fore-set and air cock shell inner wall sealing connection, the rear of air cock shell is provided with the butt device that is used for the butt to connect the fore-set.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
the overall shape of the support pillar is in a stepped shaft shape with three sections connected integrally, the support pillar comprises a first section, a second section and a third section, the excircle diameter of the second section is equal to the inner hole diameter of the cylindrical cavity, and the excircle diameters of the first section and the third section are smaller than that of the second section.
Further optimization: and a sealing assembly used for enhancing the connection sealing performance of the top column and the cylindrical cavity is arranged between the top column and the cylindrical cavity.
Further optimization: the sealing assembly comprises an annular groove formed in the outer surface of the second section on the top column, and a sealing ring is installed in the annular groove.
Further optimization: the first section of the top column is positioned in the air nozzle shell and forms an air inlet cavity with the inner wall of the air nozzle shell.
Further optimization: an air inlet hole communicated with the air inlet cavity is formed in the position, close to the air inlet cavity, of the air nozzle shell, and an air pipe quick-connection plug is connected to the air inlet hole.
Further optimization: and an air outlet hole is formed in the front side end face of the air nozzle shell and is opposite to the end face of the first section of the top column, and the air outlet hole is communicated with the air inlet cavity.
Further optimization: the diameter of the air outlet hole is smaller than the diameter of the outer circle of the first section on the top column.
Further optimization: the position that is close to the venthole on the inside wall of air nozzle shell is provided with the leather packing, the first section terminal surface and the leather packing contact of fore-set are used for the shutoff venthole.
Further optimization: the jacking device comprises a spring seat arranged at the rear part of the air faucet shell, and a spring is arranged between the spring seat and the jacking column.
The above technical scheme is adopted in the utility model, when using, can set up the screw hole on the buffer memory storage tank to through screw thread section and this screw hole threaded connection on the outlet duct, can conveniently install this non return material air nozzle on the buffer memory storage tank.
Then the air pipe quick-connection plug is connected with a blast device through an air ejector pipe, the blast device is operated to pressurize air and guide the air into an air inlet cavity through the air ejector pipe and the air pipe quick-connection plug, and at the moment, high-pressure air in the air inlet cavity pushes a jack post and moves a compression spring backwards;
when the support pillar moves backwards, the air outlet hole is opened, and then high-pressure gas in the air inlet cavity can be discharged through the air outlet hole and blown into the cache storage tank through the guide of the air outlet pipe, so that powder is dispersed, and discharging is facilitated.
When the air blowing device is closed, the air pressure of the air inlet cavity is reduced, the ejection column moves forwards through the telescopic ejection of the spring, the first section end face of the ejection column is in contact with the leather pad to be used for plugging the air outlet hole, and then the materials in the cache storage tank are prevented from flowing backwards into the air injection pipe.
The above technical scheme is adopted in the utility model, think about ingenious, rational in infrastructure, can carry out one-way water conservancy diversion with gas to can also avoid the material to get into the intake pipe, facilitate the use, and overall structure is simple, low in manufacturing cost, equipment simple to operate improves the result of use greatly.
The present invention will be further explained with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic view of a buffer storage tank on a conventional powder packaging production line;
fig. 2 is a schematic diagram of the overall structure of the embodiment of the present invention;
fig. 3 is a schematic structural view of a top pillar in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the feed back air nozzle in use.
In the figure: 1-a cache storage tank; 2-a discharge pipe; 3-a gas ejector tube; 4-a blower device; 5-air nozzle shell; 6-top column; 61-first stage; 62-a second segment; 63-third section; 7-a cylindrical cavity; 8-an air inlet cavity; 9-air pipe quick-connecting plug, 10-sealing ring; 11-air outlet holes; 12-an air outlet pipe; 13-leather pad; 14-a spring seat; 15-a spring; 16-air vent.
Detailed Description
Example (b): as shown in fig. 2 to 4, the non-return air nozzle comprises an air nozzle shell 5, wherein a top column 6 is movably arranged in the air nozzle shell 5, the top column 6 is connected with the inner wall of the air nozzle shell 5 in a sealing manner, and a jacking device for jacking the top column 6 is arranged behind the air nozzle shell 5.
A cylindrical cavity 7 is arranged in the air nozzle shell 5, and the rear end of the cylindrical cavity 7 penetrates through the rear section of the air nozzle shell 5 and is communicated with the jacking device.
The overall length of the cylindrical cavity 7 is greater than the overall length of the top post 6 so that the top post 6 can slide within the cylindrical cavity 7.
The whole shape of the support pillar 6 is a stepped shaft shape with three sections connected integrally, and the support pillar comprises a first section 61, a second section 62 and a third section 63, the excircle diameter of the second section 62 is equal to the inner hole diameter of the cylindrical cavity 7, and the excircle diameters of the first section 61 and the third section 63 are smaller than the excircle diameter of the second section 62.
The second section 62 of the top post 6 is in sliding contact with the inner wall of the cylindrical cavity 7.
And a sealing assembly for enhancing the connection sealing performance of the top column 6 and the cylindrical cavity 7 is arranged between the top column 6 and the cylindrical cavity 7.
The sealing assembly comprises an annular groove which is arranged on the outer surface of the second section 62 on the top column 6, and a sealing ring 10 is arranged in the annular groove.
By means of the design, the sealing ring 10 can be used for enhancing the connection tightness between the top column 6 and the inner wall of the cylindrical cavity 7.
The first section 61 of the top pillar 6 is located in the nozzle housing 5 and forms an air inlet chamber 8 with the inner wall of the nozzle housing 5.
An air inlet hole communicated with the air inlet cavity 8 is formed in the position, close to the air inlet cavity 8, of the air nozzle shell 5, and an air pipe quick-connection plug 9 is connected to the air inlet hole.
The air pipe quick connector 9 is communicated with the external air blowing device 4 through the air injection pipe 3, so that the air blowing device 4 pressurizes air and leads the air into the air inlet cavity 8 through the air injection pipe 3 and the air pipe quick connector 9.
The air is pressurized by the blower 4 and then enters the air inlet cavity 8 to jack the jack-prop 6 to move backwards.
And an air outlet hole 11 is formed in the front side end face of the air nozzle shell 5 and at the position right opposite to the end face of the first section 61 of the top column 6, the air outlet hole 11 is communicated with the air inlet cavity 8, and the diameter of the air outlet hole 11 is smaller than the diameter of the outer circle of the first section 61 of the top column 6.
By the design, when the end surface of the first section 61 of the top column 6 is contacted with the inner side wall of the front side of the air nozzle shell 5, the air outlet hole 11 can be blocked by the top column 6, so that the air outlet hole 11 is cut off from being communicated with the air inlet cavity 8;
and when the top column 6 moves backwards, the air outlet hole 11 can be opened, so that the air outlet hole 11 is communicated with the air inlet cavity 8, and high-pressure air in the air inlet cavity 8 can be discharged through the air outlet hole 11.
An air outlet pipe 12 communicated with the air outlet hole 11 is arranged on the air nozzle shell 5 and close to the air outlet hole 11, and a thread section is distributed on the surface of the outer end of the air outlet pipe 12 and is used for facilitating installation.
The position that is close to venthole 11 on the inside wall of air nozzle shell 5 is provided with leather packing 13, first section 61 terminal surface shutoff venthole 11 of fore-set 6 contacts with leather packing 13 during for improve the shutoff effect.
The jacking device comprises a spring seat 14 arranged at the rear part of the air nozzle shell 5, a spring 15 is arranged between the spring seat 14 and the third section 63 of the jacking column 6, and two ends of the spring 15 are respectively propped against the spring seat 14 and the jacking column 6.
By the design, the elastic force of the spring 15 is used for pushing the top column 6 to move towards the front side, so that the end surface of the first section 61 of the top column 6 is always in contact with the leather pad 13 for blocking the air outlet 11.
The spring seat 14 is fixedly connected with the air faucet shell 5 through threads, the distance between the spring seat 14 and the air faucet shell 5 can be changed by rotating the spring seat 14, and then the spring 15 can be compressed or released, and the elasticity of the spring 15 can be adjusted.
The middle part of the rear end face of the spring seat 14 is provided with an exhaust hole 16, and the exhaust hole 16 is communicated with the cylindrical cavity 7.
By adopting the design, the cylindrical cavity 7 can be communicated with the external atmosphere through the vent hole 16, and the use is convenient.
When the air nozzle is used, a threaded hole can be formed in the cache storage tank 1, and the non-return air nozzle can be conveniently mounted on the cache storage tank 1 through the threaded section on the air outlet pipe 12 and the threaded hole in threaded connection.
Then, the air pipe quick-connection plug 9 is connected with the air blowing device 4 through the air injection pipe 3, the air blowing device 4 is operated to pressurize air and guide the air into the air inlet cavity 8 through the air injection pipe 3 and the air pipe quick-connection plug 9, and at the moment, high-pressure air in the air inlet cavity 8 pushes the ejection column 6 to move back the compression spring 15;
when the top pillar 6 moves backwards, the vent hole 11 is opened, so that high-pressure gas in the gas inlet cavity 8 can be discharged through the vent hole 11 and blown into the cache storage tank 1 through the guide of the gas outlet pipe 12, powder scattering is realized, and discharging is facilitated.
When closing air-blast device 4, 8 air pressure in chamber of admitting air reduce, and then move fore-and-aft through the flexible top of spring 15, make first section 61 end face contact leather packing 13 of fore-and-aft 6 be used for shutoff venthole 11, and then prevent that the material in the buffer memory storage tank 1 from flowing backward into in the jet-propelled pipe 3.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (10)
1. A no-return air nozzle comprising an air nozzle shell (5), characterized in that: a cylindrical cavity (7) is arranged in the air nozzle shell (5), a top column (6) is movably arranged in the cylindrical cavity (7), the top column (6) is connected with the inner wall of the air nozzle shell (5) in a sealing mode, and a jacking device used for jacking the top column (6) is arranged behind the air nozzle shell (5).
2. A check material air nozzle as set forth in claim 1 wherein: the whole shape of the support pillar (6) is in a stepped shaft shape with three sections connected integrally, and the support pillar comprises a first section (61), a second section (62) and a third section (63), wherein the excircle diameter of the second section (62) is equal to the inner hole diameter of the cylindrical cavity (7), and the excircle diameters of the first section (61) and the third section (63) are smaller than that of the second section (62).
3. A check material air nozzle as set forth in claim 2 wherein: and a sealing assembly used for enhancing the connection sealing performance of the top column (6) and the cylindrical cavity (7) is arranged between the top column (6) and the cylindrical cavity (7).
4. A check material air nozzle as set forth in claim 3 wherein: the sealing assembly comprises an annular groove which is formed in the outer surface of the second section (62) of the ejection column (6), and a sealing ring (10) is installed in the annular groove.
5. A check material air nozzle according to claim 4, wherein: the first section (61) of the top column (6) is positioned in the air nozzle shell (5) and forms an air inlet cavity (8) with the inner wall of the air nozzle shell (5).
6. A check material air nozzle as set forth in claim 5 wherein: an air inlet hole communicated with the air inlet cavity (8) is formed in the position, close to the air inlet cavity (8), of the air nozzle shell (5), and an air pipe quick-connection plug (9) is connected to the air inlet hole.
7. A check material air nozzle as set forth in claim 6 wherein: and an air outlet hole (11) is formed in the front side end face of the air nozzle shell (5) and at the position right opposite to the end face of the first section (61) of the top column (6), and the air outlet hole (11) is communicated with the air inlet cavity (8).
8. A check material air nozzle as set forth in claim 7 wherein: the diameter of the air outlet hole (11) is smaller than the diameter of the outer circle of the first section (61) on the top column (6).
9. A check material air nozzle as defined in claim 8 wherein: the position that is close to venthole (11) on the inside wall of air nozzle shell (5) is provided with leather packing (13), first section (61) terminal surface and leather packing (13) contact of fore-set (6) are used for shutoff venthole (11).
10. A check material air nozzle as defined in claim 9 wherein: the jacking device comprises a spring seat (14) arranged at the rear part of the air nozzle shell (5), and a spring (15) is arranged between the spring seat (14) and the jacking column (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121227344.8U CN213677399U (en) | 2021-06-03 | 2021-06-03 | Non-return material air nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121227344.8U CN213677399U (en) | 2021-06-03 | 2021-06-03 | Non-return material air nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213677399U true CN213677399U (en) | 2021-07-13 |
Family
ID=76741783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121227344.8U Expired - Fee Related CN213677399U (en) | 2021-06-03 | 2021-06-03 | Non-return material air nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213677399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117284649A (en) * | 2023-11-24 | 2023-12-26 | 江苏嘉旺建材科技有限公司 | Anti-blocking pulse pneumatic mechanism in cement silo |
-
2021
- 2021-06-03 CN CN202121227344.8U patent/CN213677399U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117284649A (en) * | 2023-11-24 | 2023-12-26 | 江苏嘉旺建材科技有限公司 | Anti-blocking pulse pneumatic mechanism in cement silo |
| CN117284649B (en) * | 2023-11-24 | 2024-01-30 | 江苏嘉旺建材科技有限公司 | Anti-blocking pulse pneumatic mechanism in cement silo |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210713 |