CN216879897U

CN216879897U - Structure improved atomizing rubber valve

Info

Publication number: CN216879897U
Application number: CN202220153179.4U
Authority: CN
Inventors: 金金锁
Original assignee: Dongguan Huichuang Intelligent Equipment Co ltd
Current assignee: Dongguan Huichuang Intelligent Equipment Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-05
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses an atomizing rubber valve with an improved structure, which comprises a valve body, an inner pipe, an outer pipe, a spray head and a valve needle, wherein the inner pipe is arranged in the valve body; the valve body is provided with a first channel, an air inlet and a glue inlet; one end of the inner pipe is fixed on the valve body, and the inner pipe is provided with a second channel; one end of the outer pipe is fixed on the valve body and sleeved outside the inner pipe, a ventilation space is formed between the inner wall of the outer pipe and the outer wall of the inner pipe, and the other end of the outer pipe is an air outlet communicated with the ventilation space; the nozzle is fixed at the other end of the inner pipe and is positioned in the air outlet; the valve needle can be axially and movably arranged in the first channel, the second channel and the spray head back and forth; the inner side wall of the first channel is concavely provided with an arc concave position, and the arc concave position is opposite to the glue inlet. The inner side wall of the first channel is concavely provided with the arc-shaped concave position to replace the traditional plane concave position, and the glue solution can be guided into the first channel by utilizing the arc-shaped concave position, so that the glue solution is prevented from remaining in the arc-shaped concave position, and the smooth output of the glue solution is ensured.

Description

Structure improved atomizing rubber valve

Technical Field

The utility model relates to the technical field of an atomized rubber valve, in particular to an atomized rubber valve with an improved structure.

Background

The atomizing glue valve is a device which changes liquid glue into fine water drops and discharges the water drops in a spraying mode. The atomizing rubber valve works by the pressure in the container, the air pressure in the atomizing tank is far higher than the atmospheric pressure, the liquid in the container is extruded out due to the air pressure, the liquid enters the nozzle part of the atomizing rubber valve through the guide pipe, and the nozzle screens the liquid into tiny water drops to be sprayed out to form spraying.

The main structure of the prior art atomizing glue valve generally comprises a valve body, an inner pipe, an outer pipe, a spray head, a valve needle and other parts; the valve body is provided with a first channel, an air inlet and a glue inlet, and the glue inlet is communicated with the first channel; one end of the inner pipe is fixed on the valve body, the inner pipe is provided with a second channel, and the second channel is communicated with the first channel; one end of the outer pipe is fixed on the valve body and sleeved outside the inner pipe, a ventilation space is formed between the inner wall of the outer pipe and the outer wall of the inner pipe, the air inlet is communicated with the ventilation space, and the other end of the outer pipe is an air outlet communicated with the ventilation space; the nozzle is fixed at the other end of the inner pipe and is positioned in the air outlet, and the nozzle is communicated with the second channel and is opposite to the air outlet; the valve needle is axially movably arranged in the first channel, the second channel and the spray head back and forth.

However, the positions of the inner wall of the first channel, which face the glue inlet, of the existing atomized glue valve are both plane concave positions, and glue is easy to remain and solidify in the plane concave positions, so that smooth output of the glue is affected. In addition, the valve needle is easy to shift in the moving process, and glue cannot be discharged and broken stably. Therefore, there is a need for improvements to current aerosol valves.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to the defects in the prior art, and the main object of the present invention is to provide an atomized glue valve with an improved structure, which can effectively avoid glue residue and ensure stable glue discharging and glue breaking.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an atomizing rubber valve with improved structure comprises a valve body, an inner pipe, an outer pipe, a spray head and a valve needle; the valve body is provided with a first channel, an air inlet and a glue inlet, and the glue inlet is communicated with the first channel; one end of the inner pipe is fixed on the valve body, the inner pipe is provided with a second channel, and the second channel is communicated with the first channel; one end of the outer pipe is fixed on the valve body and sleeved outside the inner pipe, a ventilation space is formed between the inner wall of the outer pipe and the outer wall of the inner pipe, the air inlet is communicated with the ventilation space, and the other end of the outer pipe is an air outlet communicated with the ventilation space; the nozzle is fixed at the other end of the inner pipe and is positioned in the air outlet, and the nozzle is communicated with the second channel and is opposite to the air outlet; the valve needle can be axially and movably arranged in the first channel, the second channel and the spray head back and forth; the inner side wall of the first channel is concavely provided with an arc concave position, and the arc concave position is opposite to the glue inlet.

As a preferable scheme, at least two positioning convex ribs which are distributed at intervals around the axial direction of the valve needle and used for holding the valve needle are convexly arranged on the inner side wall of the second channel.

As a preferred scheme, two at least location fins are the equipartition of circumference interval and arrange, and each location fin all laminates with the outer wall of needle.

As a preferable scheme, the valve body is provided with an air cavity, a movable piston is arranged in the air cavity, the piston is fixed at the end part of the valve needle and divides the air cavity into a first cavity and a second cavity which are closed with each other, the valve body is provided with a first air hole and a second air hole, and the first air hole and the second air hole are respectively communicated with the first cavity and the second cavity.

As a preferred scheme, an adjusting screw rod is arranged on the valve body and is in threaded connection with the valve body, the inner end of the adjusting screw rod extends into the second cavity and is matched with the piston, and a differential head is arranged at the outer end of the adjusting screw rod.

Preferably, a spring is arranged in the second cavity, and the spring is abutted between the inner wall of the second cavity and the piston and urges the piston to move towards the first cavity.

As a preferable scheme, the inner wall of the outer tube is convexly provided with a plurality of convex strips, the convex strips are evenly distributed around the axial circumference of the second channel, each convex strip is parallel to the axial direction of the second channel, and a ventilation groove is formed between every two adjacent convex strips.

Preferably, the number of the convex strips is eight, and correspondingly, the number of the ventilation grooves is eight.

Preferably, the rib extends from the upper opening of the outer tube to the air outlet.

Preferably, the upper end opening of the outer tube is in an inverted cone shape.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:

firstly, the inner side wall of the first channel is concavely provided with the arc-shaped concave position to replace the traditional plane concave position, and the glue solution can be guided into the first channel by utilizing the arc-shaped concave position, so that the glue solution is prevented from remaining in the arc-shaped concave position, and the smooth output of the glue solution is ensured.

And at least two positioning convex ribs which are distributed around the valve needle at intervals in the axial direction are convexly arranged on the inner side wall of the second channel and used for holding the valve needle, so that the valve needle cannot deviate in the moving process, and the glue discharging and glue breaking are more stable.

And thirdly, the differential head is arranged at the outer end of the adjusting screw rod, so that an operator can conveniently and visually control the inlet and outlet length of the adjusting screw rod, and convenience is brought to use.

And fourthly, a plurality of convex strips are arranged on the inner wall of the outer pipe in a protruding mode, the plurality of convex strips are evenly distributed around the axial circumference of the second channel, each convex strip is parallel to the axial direction of the second channel, and a ventilation groove is formed between every two adjacent convex strips, so that air distribution is more uniform, and the atomization effect of the glue solution is favorably improved.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of a preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view of a preferred embodiment of the present invention;

FIG. 3 is another cross-sectional view of the preferred embodiment of the present invention;

FIG. 4 is a cross-sectional view of the inner tube in the preferred embodiment of the present invention;

FIG. 5 is a cross-sectional view of the outer tube in the preferred embodiment of the utility model.

The attached drawings indicate the following:

10. valve body 11, first passage

12. Air inlet 13 and glue inlet

14. Air chamber 141, first chamber

142. Second cavity 15, first air vent

16. Second air hole 17, circular arc concave position

20. Inner tube 21, second channel

22. Positioning convex rib 30 and outer pipe

31. Air vent space 32, air outlet

33. Convex strip 34 and ventilation groove

40. Spray head 50 and valve needle

60. Piston 71, adjusting screw

72. A differential head 73, a spring.

Detailed Description

Referring to fig. 1 to 5, the detailed structure of the preferred embodiment of the present invention is shown, which includes a valve body 10, an inner tube 20, an outer tube 30, a nozzle 40 and a valve needle 50.

The valve body 10 is provided with a first channel 11, an air inlet 12 and a glue inlet 13, the glue inlet 13 is communicated with the first channel 11, the inner side wall of the first channel 11 is concavely provided with an arc-shaped concave position 17, the arc-shaped concave position 17 is opposite to the glue inlet 13, and glue is guided into the first channel 11 by the arc-shaped concave position 17, so that the glue is prevented from remaining in the arc-shaped concave position 17; the valve body 10 is provided with an air cavity 14, a movable piston 60 is arranged in the air cavity 14, the piston 60 partitions the air cavity 14 into a first cavity 141 and a second cavity 142 which are sealed with each other, the valve body 10 is provided with a first air hole 15 and a second air hole 16, and the first air hole 15 and the second air hole 16 are respectively communicated with the first cavity 141 and the second cavity 142.

One end of the inner tube 20 is fixed to the valve body 10, and the inner tube 20 has a second passage 21, and the second passage 21 communicates with the first passage 11. The protruding at least two location fin 22 that are used for embracing needle 50 of arranging around needle 50 axial interval that are equipped with of inside wall of second passageway 21, two at least location fin 22 circumference interval equi-arrange, each location fin 22 all with needle 50's outer wall laminating.

One end of the outer tube 30 is fixed on the valve body 10 and sleeved outside the inner tube 20, a ventilation space 31 is formed between the inner wall of the outer tube 30 and the outer wall of the inner tube 20, the air inlet 12 is communicated with the ventilation space 31, and the other end of the outer tube 30 is an air outlet 32 communicated with the ventilation space 31; in this embodiment, a plurality of ribs 33 are protruded from the inner wall of the outer tube 30, the plurality of ribs 33 are equally arranged around the circumference of the second channel 21 in the axial direction, each rib 33 is parallel to the axial direction of the second channel 21, and a ventilation slot 34 is formed between two adjacent ribs 33. In this embodiment, the number of the convex strips 33 is eight, and correspondingly, the number of the ventilation slots 34 is eight, so that the air distribution is more uniform, and the convex strips 33 extend from the upper end opening of the outer tube 30 to the air outlet 32, and the upper end opening of the outer tube 30 is in an inverted cone shape.

The nozzle 40 is fixed to the other end of the inner tube 20 and located in the air outlet 32, and the nozzle 40 is communicated with the second passage 21 and faces the air outlet 32.

The valve needle 50 is axially movably arranged in the first channel 11, the second channel 21 and the spray head 40 back and forth, and the valve needle 50 moves up and down back and forth to open or close the opening of the spray head 40; in the present embodiment, the aforementioned piston 60 is fixed to the end of the needle 50.

And the valve body 10 is provided with an adjusting screw rod 71, the adjusting screw rod 71 is in threaded connection with the valve body 10, the inner end of the adjusting screw rod 71 extends into the second cavity 142 and is matched with the piston 60, and the outer end of the adjusting screw rod 71 is provided with a differential head 72 so as to intuitively control the inlet and outlet length of the adjusting screw rod 71. The second cavity 142 is provided with a spring 73, and the spring 73 is abutted between the inner wall of the second cavity 142 and the piston 60 and urges the piston 60 to move towards the first cavity 141.

Detailed description the working principle of the present embodiment is as follows:

when the air-conditioning device works, the air inlet 12 is connected with a high-pressure air source, the glue inlet 13 is connected with a glue supply device, the glue supply device continuously supplies glue to the first channel 11 and the second channel 21, and the first air hole 15 and the second air hole 16 are respectively connected with corresponding air pipes; in an original state, the first air hole 15 is used for discharging air, the second air hole 16 is used for discharging air, so that the piston 60 moves downwards, the valve needle 50 moves downwards to a proper position to block the opening of the spray head 40, glue liquid can not be sprayed out, when glue needs to be sprayed, the first air hole 15 is used for feeding air, the second air hole 16 is used for discharging air, so that the piston 60 moves upwards, the valve needle 50 moves upwards to a proper position to open the spray head 40, the glue liquid is sprayed out of the spray head 40, meanwhile, high-pressure air is input from the air inlet 12 and then is output from the air outlet 32 after passing through each ventilation groove 34 of the ventilation space 31, and when the air outlet 32 outputs, the high-pressure air is intersected with the sprayed glue liquid, so that the glue liquid is atomized and sprayed out of the air outlet 32.

The design of the utility model is characterized in that: firstly, the inner side wall of the first channel is concavely provided with the arc-shaped concave position to replace the traditional plane concave position, and the glue solution can be guided into the first channel by utilizing the arc-shaped concave position, so that the glue solution is prevented from being remained in the arc-shaped concave position, and the smooth output of the glue solution is ensured. Secondly, through the protruding at least two location fin of arranging around needle axial interval at the inside wall of second passageway and being used for embracing the needle for the needle can not take place the skew at the in-process of activity, thereby makes to go out to glue and glue the more steady of breaking. Moreover, the differential head is arranged at the outer end of the adjusting screw rod, so that an operator can conveniently and visually control the in-out length of the adjusting screw rod, and convenience is brought to use. Finally, through the protruding a plurality of sand grips that are equipped with of inner wall at the outer tube, these a plurality of sand grips are equallyd divide around the axial circumference of second passageway and are arranged, and each sand grip is on a parallel with the axial of second passageway, and is formed with the ventilation groove between two adjacent sand grips for cloth wind more even, be favorable to promoting the atomization effect of glue solution.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. An atomizing rubber valve with improved structure comprises a valve body, an inner pipe, an outer pipe, a spray head and a valve needle; the valve body is provided with a first channel, an air inlet and a glue inlet, and the glue inlet is communicated with the first channel; one end of the inner pipe is fixed on the valve body, the inner pipe is provided with a second channel, and the second channel is communicated with the first channel; one end of the outer pipe is fixed on the valve body and sleeved outside the inner pipe, a ventilation space is formed between the inner wall of the outer pipe and the outer wall of the inner pipe, the air inlet is communicated with the ventilation space, and the other end of the outer pipe is an air outlet communicated with the ventilation space; the nozzle is fixed at the other end of the inner pipe and is positioned in the air outlet, and the nozzle is communicated with the second channel and is opposite to the air outlet; the valve needle can be axially and movably arranged in the first channel, the second channel and the spray head back and forth; the method is characterized in that: the inner side wall of the first channel is concavely provided with an arc concave position, and the arc concave position is opposite to the glue inlet.

2. The improved atomizing glue valve according to claim 1, characterized in that: the inner side wall of the second channel is convexly provided with at least two positioning convex ribs which are distributed at intervals around the axial direction of the valve needle and used for holding the valve needle.

3. The improved atomizing glue valve according to claim 2, characterized in that: at least two location fins are the equipartition of circumference interval and arrange, and each location fin all laminates with the outer wall of needle.

4. The improved atomizing glue valve according to claim 1, characterized in that: the valve body is provided with an air cavity, a movable piston is arranged in the air cavity, the piston is fixed at the end part of the valve needle and separates the air cavity to form a first cavity and a second cavity which are mutually closed, a first air hole and a second air hole are formed in the valve body, and the first air hole and the second air hole are respectively communicated with the first cavity and the second cavity.

5. The improved atomizing glue valve according to claim 4, characterized in that: an adjusting screw is arranged on the valve body and is in threaded connection with the valve body, the inner end of the adjusting screw extends into the second cavity and is matched with the piston, and a differential head is arranged at the outer end of the adjusting screw.

6. The improved atomizing glue valve according to claim 4, characterized in that: the second cavity is internally provided with a spring which is propped between the inner wall of the second cavity and the piston and urges the piston to move towards the first cavity.

7. The improved atomizing glue valve according to claim 1, characterized in that: the inner wall of the outer pipe is convexly provided with a plurality of convex strips, the plurality of convex strips are evenly distributed around the axial circumference of the second channel, each convex strip is parallel to the axial direction of the second channel, and a ventilation groove is formed between every two adjacent convex strips.

8. The improved atomizing glue valve according to claim 7, characterized in that: the sand grip is eight, and correspondingly, the ventilation groove is eight.

9. The improved atomizing glue valve according to claim 7, characterized in that: the convex strip extends to the air outlet from the upper end opening of the outer tube.

10. The improved atomizing glue valve according to claim 9, characterized in that: the upper end opening of outer tube is the back taper.