CN214865772U - Nozzle for large-air-volume dust blowing gun - Google Patents
Nozzle for large-air-volume dust blowing gun Download PDFInfo
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- CN214865772U CN214865772U CN202120660281.9U CN202120660281U CN214865772U CN 214865772 U CN214865772 U CN 214865772U CN 202120660281 U CN202120660281 U CN 202120660281U CN 214865772 U CN214865772 U CN 214865772U
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Abstract
The utility model discloses a nozzle for big amount of wind blows dirt rifle, belong to and blow dirt rifle technical field, a nozzle for big amount of wind blows dirt rifle includes and blows the nozzle body that dirt rifle gas outlet was assembled mutually, the nozzle body has inlet port and the portion of giving vent to anger, inlet port and pressure boost hole have been seted up to the inlet port outside-in, the venthole has been seted up to the portion of giving vent to anger, at least one negative pressure suction hole has been seted up to the outer wall of the portion of giving vent to anger, the inlet port is passed to the one end of inlet port, the other end of inlet port is linked together with the one end in pressure boost hole, the other end in pressure boost hole is linked together with the one end of venthole, the other end in venthole passes the portion of giving vent to anger, negative pressure suction hole is linked together with the venthole. The utility model discloses a nozzle for big amount of wind blows dirt rifle can improve the air output that blows the dirt rifle, guarantees the dust removal effect, improves the dust collection efficiency who blows the dirt rifle.
Description
Technical Field
The utility model relates to a blow dirt rifle technical field, especially relate to a nozzle that is used for big amount of wind to blow dirt rifle.
Background
The dust blowing gun is mainly used for dust removal work in factories and during installation and maintenance, and the most common use environment is a narrow area, a high place and cleaning work in an air pipe which can not be touched by hands. The dust blowing gun effectively reduces the consumption of compressed air by utilizing the principle of air amplification, thereby generating strong and accurate airflow and driving ambient air to work together.
Chinese patent document publication No. CN211839350U discloses a multi-angle pneumatic blowing gun, which belongs to the technical field of pneumatic blowing guns. The multi-angle pneumatic blow gun comprises a gun body, an air outlet nozzle and a sealing device, wherein the air outlet nozzle is in threaded connection with the top end of the gun body and is communicated with an air cavity of the gun body, and multi-angle dust removal can be performed by rotating the air outlet nozzle; the sealing device is positioned in the gun body and used for controlling the on-off of gas; a handle is arranged on the gun body, an air inlet channel is formed in the handle, and the air inlet channel is communicated with the sealing device; the gun body is connected with a trigger in a rotating mode, and the trigger can be rotated to control the on-off of the sealing device to gas. However, the pneumatic blow gun adopts the air outlet nozzle to be directly communicated with the gun body to realize air exhaust, the air flow rate depends on the on-off condition of the sealing device to the air, the air flow rate is limited, and the dust removal effect and the dust removal efficiency are further reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a nozzle for big amount of wind blows dirt rifle is proposed, adopts the nozzle body of compriseing inlet air portion, the portion of giving vent to anger, inlet port, pressure boost hole, venthole and negative pressure suction hole, can improve the air output that blows the dirt rifle, guarantees dust removal effect, improves the dust collection efficiency who blows the dirt rifle.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a pair of a nozzle for big amount of wind blows dirt rifle, include the nozzle body of assembling mutually with the dust blowing rifle gas outlet, the nozzle body has inlet port and the portion of giving vent to anger, inlet port and pressure boost hole have been seted up to the inlet port outside-in, the venthole has been seted up to the portion of giving vent to anger, at least one negative pressure suction hole has been seted up to the outer wall of the portion of giving vent to anger, the inlet port is passed to the one end of inlet port, the other end and the one end in pressure boost hole of inlet port are linked together, the other end and the one end of venthole of pressure boost hole are linked together, the other end of venthole passes the portion of giving vent to anger, negative pressure suction hole and venthole are linked together.
The utility model discloses preferred technical scheme lies in, the pressure boost hole is formed by first cylinder hole and first taper hole complex, and the one end and the venthole in first cylinder hole are linked together, and the other end in first cylinder hole is linked together with the one end in first taper hole, and the other end in first taper hole is linked together with the one end of inlet port.
The utility model discloses preferred technical scheme lies in, and the inlet port is formed by second cylinder hole and second taper hole complex, and the one end in second cylinder hole is linked together with first taper hole, and the other end in second cylinder hole is linked together with the one end in second taper hole, and the other end in second taper hole passes the air inlet portion.
The utility model discloses preferred technical scheme lies in, air inlet portion is including location platform and screw thread tapered end, the one end and the portion integrated into one piece of giving vent to anger of location platform, the other end and the screw thread tapered end integrated into one piece of location platform, and the inlet port runs through the screw thread tapered end, and the pressure boost hole runs through the location platform and is linked together with the inlet port.
The utility model discloses preferred technical scheme lies in, the maximum diameter of first taper hole is greater than the diameter in first cylinder hole, and the maximum diameter of first taper hole is less than the diameter of inlet port, and the diameter of first taper hole increases progressively towards the direction of keeping away from first cylinder hole.
The utility model discloses preferred technical scheme lies in, and the maximum diameter in second taper hole is greater than the diameter in second cylinder hole, and the diameter in second cylinder hole equals or is greater than the maximum diameter in first taper hole, and the diameter in second taper hole increases progressively towards the direction of keeping away from second cylinder hole.
The utility model discloses preferred technical scheme lies in, the screw lock head has the external screw thread along the outer peripheral face shaping.
The utility model discloses preferred technical scheme lies in, and the axis of negative pressure suction hole is 30 ~ 60 contained angle distributions with the axis of venthole.
The utility model discloses preferred technical scheme lies in, and the open end in second taper hole is equipped with first chamfer.
The utility model discloses preferred technical scheme lies in, and the opening end of venthole is equipped with the second chamfer.
The utility model has the advantages that:
the utility model provides a nozzle for big amount of wind blows dirt rifle, the inlet air portion is used for connecting the dust rifle body of blowing, it is downthehole that the gas outlet that makes the dust rifle blow the air current and collect the pressure boost through the inlet port, further collect the pressure boost to gas through the pressure boost pore, improve the gas flow rate and lead in to the outlet port of the portion of giving vent to anger, when gaseous through the negative pressure suction hole, because the gas flow rate of outlet port is greater than the external gas flow rate of nozzle and forms the atmospheric pressure difference, make the external gas of nozzle enter into the outlet port through the negative pressure suction hole because of the negative pressure effect, along with the gaseous portion of giving vent to anger that together discharges in the outlet port, adopt above-mentioned process to realize the negative pressure boost, improve the air output that blows the dirt rifle, guarantee dust removal effect, improve the dust collection efficiency that blows the dirt rifle.
Drawings
FIG. 1 is a schematic structural view of a nozzle for a high air flow dust blowing gun according to an embodiment of the present invention;
fig. 2 is a schematic structural section view of a nozzle for a large air volume dust blowing gun according to an embodiment of the present invention.
In the figure:
1. a nozzle body; 11. an air intake portion; 111. a positioning table; 112. a threaded lock head; 1121. an external thread; 12. an air outlet part; 2. an air inlet; 21. a second cylindrical bore; 22. a second taper hole; 221. a first chamfer; 3. a pressurizing hole; 31. a first cylindrical bore; 32. a first taper hole; 4. an air outlet; 41. a second chamfer; 5. and a negative pressure suction hole.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, in order to increase the air output of the dust blowing gun, ensure the dust removal effect, and increase the dust removal efficiency of the dust blowing gun, further, the nozzle for the large air volume dust blowing gun provided in this embodiment includes a nozzle body 1 assembled with the air outlet of the dust blowing gun, the nozzle body 1 has an air inlet portion 11 and an air outlet portion 12, the air inlet portion 11 has an air inlet port 2 and a pressure boosting hole 3 from the outside to the inside, the air outlet portion 12 has an air outlet hole 4, the outer wall of the air outlet portion 12 has at least one negative pressure air suction hole 5, one end of the air inlet port 2 passes through the air inlet portion 11, the other end of the air inlet port 2 is communicated with one end of the pressure boosting hole 3, the other end of the pressure boosting hole 3 is communicated with one end of the air outlet hole 4, the other end of the air outlet hole 4 passes through the air outlet portion 12, and the negative pressure air suction hole 5 is communicated with the air outlet hole 4. Air inlet portion 11 is used for connecting the dust blowing rifle body, make the gas outlet of dust blowing rifle collect the pressure boost hole 3 with the air current through inlet port 2 in, further collect the pressure boost to gas through pressure boost hole 3, improve the gas flow rate and leading-in the venthole 4 of portion 12 of giving vent to anger, when gas process negative pressure suction opening 5, because the gas flow rate of venthole 4 is greater than the gas flow rate outside the nozzle body 1 and forms the atmospheric pressure difference, make the gas outside the nozzle body 1 enter into in venthole 4 through negative pressure suction opening 5 because of the negative pressure effect, along with the gas in the venthole 4 together discharge portion 12 of giving vent to anger, adopt the above-mentioned process to realize negative pressure boost, improve the air output of dust blowing rifle, guarantee the dust removal effect, improve the dust collection efficiency of dust blowing rifle.
Preferably, the pressurizing hole 3 is formed by combining a first cylindrical hole 31 and a first tapered hole 32, one end of the first cylindrical hole 31 is communicated with the air outlet hole 4, the other end of the first cylindrical hole 31 is communicated with one end of the first tapered hole 32, and the other end of the first tapered hole 32 is communicated with one end of the air inlet hole 2. The first tapered hole 32 is used for collecting the air flow and pressurizing, and the first cylindrical hole 31 is used for transition exhaust.
Preferably, the air intake hole 2 is formed by combining a second cylindrical hole 21 and a second tapered hole 22, one end of the second cylindrical hole 21 is communicated with the first tapered hole 32, the other end of the second cylindrical hole 21 is communicated with one end of the second tapered hole 22, and the other end of the second tapered hole 22 passes through the air intake portion 11. The second conical hole 22 is used for collecting the air flow and pressurizing, and the second cylindrical hole 21 is used for transition exhaust.
Preferably, the air inlet portion 11 includes a positioning table 111 and a screw lock head 112, one end of the positioning table 111 is integrally formed with the air outlet portion 12, the other end of the positioning table 111 is integrally formed with the screw lock head 112, the air inlet hole 2 penetrates through the screw lock head 112, and the pressurization hole 3 penetrates through the positioning table 111 and is communicated with the air inlet hole 2. Through setting up screw lock 112, make things convenient for nozzle body 1 and blow the gas outlet of dirt rifle and carry out the dismouting cooperation. The positioning table 111 is used for abutting against the end part of the air outlet of the dust blowing gun, and reliable positioning is achieved.
Preferably, the maximum diameter of the first taper hole 32 is larger than the diameter of the first cylindrical hole 31, the maximum diameter of the first taper hole 32 is smaller than the diameter of the air intake hole 2, and the diameter of the first taper hole 32 gradually increases toward a direction away from the first cylindrical hole 31. Because the maximum diameter of first taper hole 32 is greater than the diameter of first cylinder hole 31 for the air current flows through first taper hole 32 and enters into first cylinder hole 31 after, realizes the pressure boost to the air current, makes the air current more concentrated, and the air current of being convenient for is concentrated and is given vent to anger, guarantees to blow the dirt effect.
Preferably, the maximum diameter of the second tapered hole 22 is larger than the diameter of the second cylindrical hole 21, the diameter of the second cylindrical hole 21 is equal to or larger than the maximum diameter of the first tapered hole 32, and the diameter of the second tapered hole 22 gradually increases in a direction away from the second cylindrical hole 21. Because the maximum diameter of the second taper hole 22 is larger than the diameter of the second cylindrical hole 21, after the airflow flows through the second taper hole 22 and enters the second cylindrical hole 21, the pressurization is realized on the airflow, the airflow is more concentrated, the centralized air outlet of the airflow is facilitated, and the dust blowing effect is ensured.
Preferably, the screw lock head 112 is formed with external threads 1121 along an outer peripheral surface. The screw lock head 112 is provided with an external thread 1121, so that the screw lock head can be in threaded connection with an air outlet of a dust blowing gun, and the assembly, disassembly and assembly are convenient.
Preferably, the axis of the negative pressure air suction hole 5 and the axis of the air outlet hole 4 are distributed at an included angle of 30-60 degrees. The negative pressure air suction holes 5 are distributed in an inclined mode at an included angle, and air outside the nozzle body 1 is sucked into the air outlet holes 4 through the negative pressure air suction holes 5.
Preferably, the open end of the second tapered bore 22 is provided with a first chamfer 221. By providing the first chamfer 221, the open end of the second cone 22 can be deburred, making the open end of the second cone 22 smoother, avoiding scratching a user or blowing the dust gun due to the excessively sharp end.
Preferably, the open end of the outlet aperture 4 is provided with a second chamfer 41. By providing the second chamfer 41, the open end of the air outlet 4 can be deburred, so that the open end of the air outlet 4 is smoother, and the problem that a user or a workpiece is scratched due to the fact that the end part is too sharp is avoided.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (10)
1. A nozzle for a high air flow dust blowing gun, comprising a nozzle body (1) assembled with an air outlet of the dust blowing gun, characterized in that:
the nozzle body (1) is provided with an air inlet part (11) and an air outlet part (12);
the air inlet part (11) is provided with an air inlet hole (2) and a pressurizing hole (3) from outside to inside;
the air outlet part (12) is provided with an air outlet hole (4), and the outer wall of the air outlet part (12) is provided with at least one negative pressure air suction hole (5);
one end of the air inlet hole (2) penetrates through the air inlet part (11), the other end of the air inlet hole (2) is communicated with one end of the pressurizing hole (3), the other end of the pressurizing hole (3) is communicated with one end of the air outlet hole (4), the other end of the air outlet hole (4) penetrates through the air outlet part (12), and the negative pressure air suction hole (5) is communicated with the air outlet hole (4).
2. The nozzle for a high air volume dust blowing gun according to claim 1, characterized in that:
the pressurizing hole (3) is formed by compounding a first cylindrical hole (31) and a first taper hole (32);
one end of the first cylindrical hole (31) is communicated with the air outlet hole (4), the other end of the first cylindrical hole (31) is communicated with one end of the first taper hole (32), and the other end of the first taper hole (32) is communicated with one end of the air inlet hole (2).
3. The nozzle for a high air volume dust blowing gun according to claim 2, characterized in that:
the air inlet hole (2) is formed by compounding a second cylindrical hole (21) and a second taper hole (22);
one end of the second cylindrical hole (21) is communicated with the first taper hole (32), the other end of the second cylindrical hole (21) is communicated with one end of the second taper hole (22), and the other end of the second taper hole (22) penetrates through the air inlet portion (11).
4. The nozzle for a high air volume dust blowing gun according to claim 1, characterized in that:
the air inlet part (11) comprises a positioning table (111) and a thread lock head (112);
one end of the positioning table (111) and the air outlet part (12) are integrally formed, the other end of the positioning table (111) and the threaded lock head (112) are integrally formed, the air inlet hole (2) penetrates through the threaded lock head (112), and the pressurizing hole (3) penetrates through the positioning table (111) and is communicated with the air inlet hole (2).
5. The nozzle for a high air volume dust blowing gun according to claim 2, characterized in that:
the maximum diameter of the first taper hole (32) is larger than that of the first cylindrical hole (31), the maximum diameter of the first taper hole (32) is smaller than that of the air inlet hole (2), and the diameter of the first taper hole (32) gradually increases towards the direction far away from the first cylindrical hole (31).
6. The nozzle for a high air volume dust blowing gun according to claim 3, characterized in that:
the maximum diameter of the second taper hole (22) is larger than the diameter of the second cylindrical hole (21), the diameter of the second cylindrical hole (21) is equal to or larger than the maximum diameter of the first taper hole (32), and the diameter of the second taper hole (22) gradually increases in a direction away from the second cylindrical hole (21).
7. The nozzle for a high air volume dust blowing gun according to claim 4, characterized in that:
the thread lock head (112) is formed with external threads (1121) along the outer peripheral surface.
8. The nozzle for a high air volume dust blowing gun according to claim 1, characterized in that:
the axial line of the negative pressure air suction hole (5) and the axial line of the air outlet hole (4) are distributed with an included angle of 30-60 degrees.
9. The nozzle for a high air volume dust blowing gun according to claim 3, characterized in that:
the open end of the second taper hole (22) is provided with a first chamfer (221).
10. The nozzle for a high air volume dust blowing gun according to claim 1, characterized in that:
and the open end of the air outlet hole (4) is provided with a second chamfer (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660281.9U CN214865772U (en) | 2021-03-31 | 2021-03-31 | Nozzle for large-air-volume dust blowing gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660281.9U CN214865772U (en) | 2021-03-31 | 2021-03-31 | Nozzle for large-air-volume dust blowing gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214865772U true CN214865772U (en) | 2021-11-26 |
Family
ID=78872274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120660281.9U Active CN214865772U (en) | 2021-03-31 | 2021-03-31 | Nozzle for large-air-volume dust blowing gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214865772U (en) |
-
2021
- 2021-03-31 CN CN202120660281.9U patent/CN214865772U/en active Active
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