Manual powder spraying gun with support

Abstract

The utility model discloses a manual powder spraying gun with a support, which comprises an injection-molded gun body (2), a transparent powder storage bottle (4) connected on the gun body (2) through threads, a powder spraying tube (1) arranged at the front end of the gun body (2) and an air bag (3) positioned at the handle position of the gun body (2), the handle-shaped support (23) is arranged on the inner side of the air bag (3), and an inverted conical port is arranged at the upper end of the support (23). A piston (5) is arranged in the air bag (3) to form a one-way valve, and a one-way valve (6) is arranged at the tail end of the air bag (3). When the device is used for spraying pesticide for deinsectization or spraying pollen for pollination of fruit trees, the powder spraying pipe does not swing and is easy to align with a spraying target, powder cannot be sucked into the air bag, springback is rapid and reliable, powder spraying is uniform, and efficiency is high.

Description

Technical Field

[0001] The utility model relates to a manual powder spraying gun with a support, which comprises a gun body, a transparent powder storage bottle connected to the gun body, a powder spraying pipe installed at the front end of the gun body and communicating with a powder outlet, and an air bag located at the handle position of the gun body. Background Art

[0002] In the field of plant pollination, due to the influence of climate temperature and pesticides, crops relying on insect pollination can no longer meet the development needs of modern agriculture, especially fruit tree pollination, which must rely on human intervention to increase fruit yield and improve

[0003] To improve the quality of fruit, in the field of pest control, powdered medicine needs to be sprayed. Whether it is artificial pollination or spraying pesticides to kill insects, dusters are the most commonly used tools. In the field of fruit tree pollination, artificial pollination now often uses dusters that spray pollen.

[0004] That is the pollinator. There are various types of pollinators on the market. Electric ones are highly efficient, but also expensive, so their popularization and promotion are subject to certain restrictions. Pest control spray powder also requires similar tools. The basic principle is to rely on airflow to blow out the powder.

[0005] Chinese utility model patent specification CN205213694U discloses an artificial pollinator, whose structure includes a pollinator nozzle, a bent nozzle, a pollinator nozzle, a pressurized air bag, a pollen funnel and a pollen storage device, etc. Its principle is to squeeze the air bag,

[0006] The pollen coming down from the pollen storage is sprayed out from the pollinator nozzle by the air flow. The bending nozzle can adjust the angle of the pollinator nozzle to target flowers at different angles.

[0007] If you squeeze the airbag while spraying insecticide powder, the spray tube will still swing, making it impossible to aim at the holes of the pest nest. Moreover, since there is no one-way valve on the airbag, the airbag will suck in a large amount of powder when it rebounds, causing the airbag outlet to be blocked.

[0008] It is getting more and more difficult to pinch and the powder spraying is also unstable. Therefore, it is necessary to invent a manual powder spray gun. When the air bag is squeezed by hand, the gun body is stable and the powder spraying tube does not swing, and the air bag will not inhale powder, the air bag rebounds well, and the powder spraying is uniform. Summary of the Invention

[0009] The technical problem to be solved by the utility model is to provide a manual powder spraying gun with a support. When the device is used to spray pesticides to kill insects or spray pollen to pollinate fruit trees, the powder spraying tube does not swing and is easy to aim at the spraying target. In addition, the air bag will not inhale powder, the rebound is fast and reliable, the powder is sprayed evenly, and the efficiency is high.

[0010] In order to achieve the above purpose, the utility model provides a supported manual powder spray gun comprising an injection molded gun body, a transparent powder storage bottle threadedly connected to the gun body, a powder spray pipe installed at the front end of the gun body and communicating with the powder outlet, and an air bag located at the handle position of the gun body.

[0011] A handle-shaped support is provided inside the airbag to prevent the gun from swinging when the airbag is squeezed, thereby increasing the stability of the gun body. The support also protects the hand from being injured when squeezing the airbag due to the airbag's protection. An inverted tapered port is located at the upper end of the support, which houses a piston, forming a one-way valve. When the airbag is squeezed, the piston moves outward under the action of air pressure, and air is ejected from the side of the piston. When the airbag returns to its original shape, the piston moves to block the port, and air enters through the one-way valve at the rear of the airbag, ensuring continuous airflow into the airbag, preventing powder from the powder storage bottle from entering the airbag with the airflow and causing blockage.

[0012] As an improvement of the present invention, an air nozzle is provided on the gun body, and a powder outlet hole is provided at an adjacent position, so that the air flow generated by squeezing the air bag is sprayed from the air nozzle onto the powder in the powder storage bottle, forming a powder mist and then sprayed out from the powder outlet hole. The diameter of the air nozzle is smaller than that of the powder outlet hole. This design can make the gas sprayed from the air nozzle flow faster and more forceful, and it is easy to impact the powder into powder mist and then spray it out from the powder outlet hole.

[0013] Another improvement of this utility model is an extension hose attached to the nozzle. This allows for nozzles of varying diameters and lengths to be adjusted to suit different powder densities and mesh sizes. The extension hose is made of silicone or plastic. This provides excellent flexibility and prevents it from falling off. Furthermore, its transparency makes it easy to check for blockages. Plastic extension hoses such as PVC, PU, ​​and PE can be used, as long as they are flexible and transparent.

[0014] The present invention can also be further improved by setting the piston to a spherical shape or a plugging cap shape. If the piston is set to a spherical shape, the piston can move flexibly when squeezing the airbag to realize the one-way valve function. A spring can be provided at one end of the spherical piston to prevent the ball from rocking back and forth. If the piston is set to a plugging cap shape, the ball head part of the plugging cap faces the inverted conical port and the open part faces away from the conical port, then the effects of gravity and air pressure can be fully utilized, and the piston can be moved flexibly without a spring to realize the one-way valve function, thereby preventing powder from flowing back into the airbag and causing blockage.

[0015] When the utility model is further improved, the powder spraying tube can be arranged to be connected to the gun body through a thread, which is convenient for disassembly and cleaning and saves space when stored. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Attachment Figure 1 It is a structural sectional view of the utility model.

[0017] Attachment Figure 2 It is a front perspective view of the structure of the utility model. DETAILED DESCRIPTION

[0018] The specific implementation of the present utility model will be described in detail below with reference to the accompanying drawings.

[0019] As attached Figure 1 The figure shows a manual powder spray gun with a support, comprising an injection-molded gun body 2, a powder storage bottle 4 threadedly connected to the gun body 2, a powder spray tube 1 mounted at the front end of the gun body 2 and connected to a powder outlet 21, and an airbag 3 located at the handle position of the gun body 2. A handle-shaped support 23 is provided inside the airbag 3 to prevent the gun body 2 from swinging when the airbag 3 is squeezed, thereby increasing the stability of the gun body 2. An inverted tapered port with a one-way valve inside is provided at the upper end of the support 23. When the airbag 3 is squeezed, the piston 5 moves outward under the action of air pressure, and air is ejected from the side of the piston 5. When the airbag 3 returns to its original shape, the piston 5 moves to block the port, and air enters through the one-way valve 6 at the rear end of the airbag 3. Airflow continues to enter the airbag 3, preventing powder in the powder storage bottle 4 from entering the airbag 3 with the airflow and causing blockage.

[0020] As attached Figure 2 As shown, the gun body 2 is provided with an air nozzle 22 and an adjacent powder outlet 21. The airflow generated by the air nozzle 22, through the small hole in the air nozzle 22, is ejected onto the powder in the powder storage bottle 4 by squeezing the air bag 3. The resulting powder mist is then ejected from the powder outlet 21 and blown toward the target through the powder spray tube 1. The diameter of the air nozzle 22 is smaller than that of the powder outlet 21. This design ensures that the air ejected from the air nozzle 22 flows rapidly and with great force, easily impacting the powder into a mist for ejection from the powder outlet 21.

[0021] Another embodiment of the present invention provides an extension hose attached to the nozzle 22. This allows nozzles 22 to have different diameters and lengths for different powder densities and mesh sizes. The extension hose can be readily replaced and adjusted based on actual needs. The extension hose is made of silicone or plastic, which provides excellent elasticity and resists falling. The material is also transparent, making it easy to inspect for blockages. The preferred material for the extension hose is silicone.

[0022] The present invention also allows the piston 5 to be spherical or cap-shaped. If the piston 5 is spherical, it can move flexibly when the airbag 3 is squeezed, thus functioning as a one-way valve. Alternatively, a spring 51 can be provided at one end of the piston 5 to prevent the sphere from rocking back and forth. If the piston 5 is shaped like a cap, with the ball end of the cap facing the inverted tapered port and the open end facing away from the tapered port, gravity and air pressure can be fully utilized to enable the piston 5 to move flexibly, thus functioning as a one-way valve. A cap with a ball end is preferred, as it is lightweight, does not require a spring, and has a simple structure. The powder outlet 21 is connected to the powder spraying tube 1 to facilitate powder circulation. The powder spraying tube 1 is threadedly connected to the gun body 2, making it easy to disassemble, clean, and store.

[0023] When in use, put pollen or medicine powder in the powder storage bottle 4, connect the powder spraying tube 1 to the gun body 2, and repeatedly squeeze the air bag 3 by hand, and the powder will be continuously sprayed out from the powder spraying tube 1. If spraying pollen, aim at the flowers for pollination. If spraying insecticide powder, aim at the pests and their nests to complete the powder spraying and pest control.

[0024] While the embodiments of the present invention have been described in detail above with reference to the accompanying drawings, the present invention is not limited to the embodiments described above. Even with various modifications to the present invention, any manual powder spraying tool comprising a manually squeezed airbag having a handle-shaped support mounted within the airbag and a one-way valve disposed on the support to ensure continuous airflow into the airbag from the rear end falls within the scope of protection of the present invention.

Claims

1. A manual powder spray gun with a support, comprising an injection-molded gun body (2), a transparent powder storage bottle (4) connected to the gun body (2) by a thread, a powder spraying tube (1) installed at the front end of the gun body (2) and communicating with a powder outlet (21), and an air bag (3) located at the handle position of the gun body (2), characterized in that: A handle-shaped support (23) is provided on the inner side of the airbag (3). An inverted conical port is provided at the upper end of the support (23), and a piston (5) is provided inside the port to form a one-way valve. Another one-way valve (6) is provided at the tail of the airbag (3).

2. A manual powder spray gun with support according to claim 1, characterized in that: The gun body (2) is provided with an air nozzle (22), and a powder outlet hole (21) is provided at an adjacent position, and the diameter of the air nozzle (22) is smaller than the diameter of the powder outlet hole (21).

3. A manual powder spray gun with support according to claim 2, characterized in that: The air nozzle (22) is provided with an extension hose made of silicone or plastic.

4. A manual powder spray gun with support according to claim 1, characterized in that: The piston (5) is spherical or cap-shaped, and a spring (51) is provided at one end.

5. The manual powder spray gun with support according to claim 1, characterized in that: The powder spraying tube (1) is connected to the gun body (2) via threads.

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