CN111701741A - Centrifugal fan spray gun - Google Patents

Abstract

The invention relates to the technical field of air guns, in particular to a centrifugal fan blade spray gun which is mainly used in spraying operations to increase the pressure of the air gun and improve the atomization effect. It includes a handle, a fan part is connected to the upper part of the handle, a spray gun part is connected to the front end of the fan part, and a material bottle is connected to the lower part of the spray gun part; the fan part includes a casing, in the A primary fan blade and a rotor are arranged in the housing from right to left, a secondary fan blade is fitted on the left end of the rotor, a corresponding stator is fitted on the outer side of the rotor; a trigger mechanism is fitted on the spray gun part . In the centrifugal fan blade spray gun of the present invention, the primary fan blade, the rotor, the secondary fan blade and the stator form a secondary pressurization structure. After the air enters, it firstly pressurizes through the primary fan blade, and then enters the secondary fan blade through the rotor. The secondary pressurization is carried out, and finally it enters the spray gun part, which greatly increases the air pressure and improves the atomization effect, thereby improving the spraying effect.

Description

Centrifugal fan spray gun

technical field

The invention relates to the technical field of air guns, in particular to a centrifugal fan blade spray gun which is mainly used in spraying operations to increase the pressure of the air gun and improve the atomization effect.

Background technique

The air gun is a commonly used production and processing tool. In the ion air gun, the spraying air gun, etc., the corresponding air guns are used according to different functions. At present, the spray guns on the market all use the first-level fan blade air outlet method, and the fan blades are placed on the air inlet side or the air outlet side. Compared with pneumatic spray guns, there are disadvantages of lower air pressure and smaller air volume. Therefore, a new type of air gun needs to be designed to increase the pressure of the spray gun and improve the atomization effect.

SUMMARY OF THE INVENTION

In view of the defects in the prior art, the present invention provides a centrifugal fan blade spray gun which can increase the pressure of the air gun and improve the atomization effect.

The technical scheme adopted in the present invention is: a centrifugal fan blade spray gun includes a handle, a fan part is connected to the upper part of the handle, a spray gun part is connected to the front end of the fan part, and a material bottle is connected to the lower part of the spray gun part The fan part comprises a casing, in which a primary fan blade and a rotor are arranged from right to left, a secondary fan blade is fitted at the left end of the rotor, and a corresponding fan blade is fitted on the outer side of the rotor. Stator; a trigger mechanism is matched with the spray gun part.

In order to better realize the present invention, the primary fan blade adopts axial flow fan blade, and the secondary fan blade adopts centrifugal fan blade. It is also possible to use centrifugal fan blades for the primary fan blade, axial flow fan blades for the secondary fan blades, or axial flow fan blades or centrifugal fan blades for both the primary fan blades and the secondary fan blades.

In order to better realize the present invention, the spray gun part includes a nozzle arranged at the left end, and a corresponding nozzle adjusting nut is fitted on the outside of the nozzle.

In order to better realize the present invention, the trigger mechanism includes a valve core matched with the nozzle and the material bottle, and the right end of the valve core is matched with a trigger.

In order to better realize the present invention, an adjusting screw is provided at the lower right end of the trigger.

In order to better realize the present invention, the bottle mouth of the material bottle is provided with an external thread, and the lower part of the spray gun is provided with a threaded interface matched with the bottle mouth.

In order to better realize the present invention, the handle is provided with a support plate externally connected with the threaded interface.

In order to better realize the present invention, the inner bottom of the material bottle is provided with a pit for collection.

The beneficial effects of the present invention are reflected in: the centrifugal fan blade spray gun of the present invention, through the cooperation of the handle, the fan part, the spray gun part, the material bottle, the casing, the primary fan blade, the rotor, the secondary fan blade, the stator and the trigger mechanism, etc. The primary fan blade, rotor, secondary fan blade and stator form a secondary pressurization structure. After the air enters, it will first pass through the primary fan blade for a primary pressurization, and then enter the secondary fan blade through the rotor for secondary pressurization. Re-entering the spray gun part greatly increases the air pressure, improves the atomization effect, and thus improves the spraying effect.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are required to be used in the description of the specific embodiments or the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. In the drawings, each element or section is not necessarily drawn to actual scale.

Fig. 1 is a kind of internal structure schematic diagram of centrifugal fan blade spray gun of the present invention;

Fig. 2 is a kind of structural representation of the centrifugal fan blade spray gun of the present invention;

In the drawings, 1-handle, 2-fan unit, 3-spray gun unit, 4-material bottle, 5-rotor, 6-first-level fan blade, 7-second-level fan blade, 8-nozzle, 9-nozzle adjusting nut , 10- valve core, 11- trigger, 12- adjusting screw, 13- threaded interface, 14- switch, 15- support plate, 16- stator.

Detailed ways

Embodiments of the technical solutions of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to more clearly illustrate the technical solutions of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

It should be noted that, unless otherwise specified, the technical or scientific terms used in this application should have the usual meanings understood by those skilled in the art to which the present invention belongs.

Example 1:

As shown in Figures 1 and 2, the centrifugal fan blade spray gun of the present invention includes a handle 1, a fan part 2 is connected to the upper part of the handle 1, and a spray gun part 3 is connected to the front end of the fan part 2. The lower part of the spray gun part 3 is connected with a material bottle 4; the fan part 2 includes a casing, and a first-stage fan blade 6 and a rotor 5 are arranged in the casing from right to left, and the left end of the rotor 5 is matched with two. The stage fan 7 is equipped with a corresponding stator 16 on the outer side of the rotor 5 ; and a trigger mechanism is matched with the spray gun part 3 . The centrifugal fan blade spray gun of the present invention is through the cooperation of the handle 1, the fan part 2, the spray gun part 3, the material bottle 4, the casing, the primary fan blade 6, the rotor 5, the secondary fan blade 7, the stator 16 and the trigger mechanism, etc. , the primary fan blade 6, the rotor 5, the secondary fan blade 7 and the stator 16 form a secondary pressurization structure. After the air enters, it first pressurizes through the primary fan blade 6, and then enters the secondary fan blade 7 through the rotor 5. The secondary pressurization is carried out, and finally it enters the spray gun part 3, which greatly increases the air pressure, improves the atomization effect, and thus improves the spraying effect. It is worth noting that the fan part 2 is provided with a switch 16 for controlling the simultaneous rotation and stop of the primary fan blade 6 and the secondary fan blade 7 .

Example 2:

On the basis of the above embodiment, in order to further implement the present invention better, the first-stage fan blades 6 are axial flow fan blades, and the second-stage fan blades 7 are centrifugal fan blades. After the air enters, it first pressurizes through the axial flow fan blades, then enters the centrifugal fan blades through the rotor 5 for secondary pressurization, and finally enters the spray gun part 3, which greatly increases the air pressure and the atomization effect, thereby improving the spray effect. It is worth noting that the primary fan blade 6 can also be a centrifugal fan blade, the secondary fan blade 7 can be an axial flow fan blade, or both the primary fan blade 6 and the secondary fan blade 7 can use an axial flow fan blade or a centrifugal fan blade. .

Example 3:

On the basis of the above embodiment, in order to further implement the present invention better, the spray gun part 3 includes a nozzle 8 arranged at the left end, and a corresponding nozzle adjusting nut 9 is fitted on the outside of the nozzle 8 . The nozzle 8 can be adjusted by rotating the nozzle adjusting nut 9 to achieve different spray states and adapt to different working and application environments.

Example 4:

On the basis of the above embodiments, in order to further implement the present invention better, the trigger mechanism includes a valve core 10 matched with the nozzle 8 and the material bottle 4 , and the right end of the valve core 10 is matched with a trigger 11 . When in use, pull the trigger 11 to drive the valve core 10 to move, so that the material in the material bottle 4 enters the nozzle 8 and is sprayed out under the action of air pressure, which is convenient for spraying. Preferably, the lower right end of the trigger 11 is provided with an adjustment screw 12, and the exposed length of the adjustment screw 12 can be changed by rotating the adjustment screw 12, that is, the shortest distance that can be achieved between the trigger 11 and the handle 1 can be changed to achieve the restriction Adjustment control of the maximum stroke of the trigger 11 to adjust the nozzle 8.

Example 5:

On the basis of the above embodiment, in order to further implement the present invention better, the bottle mouth of the material bottle 4 is provided with an external thread, and the lower part of the spray gun part 3 is provided with a threaded interface 13 that cooperates with the bottle mouth. After this design, the installation and disassembly of the material bottle 4 can be facilitated, and it is convenient to fill the material and clean the material bottle 4 .

Example 6:

On the basis of the above embodiment, in order to further implement the present invention better, the handle 1 is provided with a support plate 15 externally connected with the threaded interface 13 . After this design, the stability of the material bottle 4 can be improved, thereby improving the spraying quality.

Example 7:

On the basis of the above-mentioned embodiment, in order to further implement the present invention better, the inner bottom of the material bottle 4 is provided with a pit for collecting. After this design, the collection of materials in the material bottle 4 can be facilitated, the utilization rate of materials is improved, and the waste of materials is reduced.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. The scope of the invention should be included in the scope of the claims and description of the present invention.

Claims (8)

1. Centrifugal fan blade spray gun, its characterized in that: comprises a handle (1), a fan part (2) is connected to the upper part of the handle (1), a spray gun part (3) is connected to the front end of the fan part (2), and a material bottle (4) is connected to the lower part of the spray gun part (3); the fan part (2) comprises a shell, a first-stage fan blade (6) and a rotor (5) are arranged in the shell from right to left, a second-stage fan blade (7) is matched at the left end of the rotor (5), and a corresponding stator (16) is matched at the outer side of the rotor (5); a trigger mechanism is matched with the spray gun part (3).

2. The centrifugal fan blade spray gun of claim 1, wherein: the first-stage fan blades (6) adopt axial flow fan blades, and the second-stage fan blades (7) adopt centrifugal fan blades.

3. The centrifugal fan blade spray gun of claim 2, wherein: the spray gun part (3) comprises a spray nozzle (8) arranged at the left end part, and a corresponding spray nozzle adjusting nut (9) is matched outside the spray nozzle (8).

4. The centrifugal fan blade spray gun of claim 3, wherein: the trigger mechanism comprises a valve core (10) matched with the nozzle (8) and the material bottle (4), and a trigger (11) is matched at the right end of the valve core (10).

5. The centrifugal fan blade spray gun of claim 4, wherein: an adjusting screw (12) is arranged at the right end of the lower part of the trigger (11).

6. The centrifugal fan blade spray gun of claim 5, wherein: the mouth of the material bottle (4) is provided with an external thread, and the lower part of the spray gun part (3) is provided with a threaded interface (13) matched with the mouth.

7. The centrifugal fan blade spray gun of claim 6, wherein: the handle (1) is provided with a support plate (15) which is connected with the outside of the threaded interface (13).

8. The centrifugal fan blade spray gun of claim 1, wherein: the bottom of the interior of the material bottle (4) is provided with a concave pit for collection.

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