CN219388660U

CN219388660U - Air valve structure

Info

Publication number: CN219388660U
Application number: CN202320732508.5U
Authority: CN
Inventors: 吴少波; 何庆佳
Original assignee: Guangdong Huang Long Environmental Protection Machinery Co ltd
Current assignee: Guangdong Huang Long Environmental Protection Machinery Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-07-21
Anticipated expiration: 2033-04-06

Abstract

The utility model relates to the technical field of air valves, and particularly discloses an air valve structure, which is provided with an air valve main body, and is characterized in that a cavity is formed in the air valve main body, a first air valve cylinder and a second air valve cylinder which are communicated with the cavity are arranged in the air valve main body, an inserting plate is movably arranged in the air valve main body in a penetrating manner, one side of the inserting plate is provided with a through hole corresponding to the cavity, the other side of the inserting plate is provided with a sealing surface, one end of the inserting plate is connected with a piston rod cylinder, and the piston rod cylinder is positioned at two sides of the air valve main body; the air valve structure does not need to be integrally disassembled in the maintenance process, and the plug board can be taken out only by disconnecting the piston rod cylinder and the plug board, so that the maintenance is convenient, and the service life is longer than that of the prior art.

Description

Air valve structure

Technical Field

The utility model relates to the technical field of air valves, in particular to an air valve structure.

Background

In tubular duct applications, it is often necessary to install an air valve within the duct for switching the duct on or off.

As disclosed in chinese patent document CN106949591B, an air duct device and an air conditioner thereof, as can be seen from the description and the drawings, comprises: a flange, a non-return valve, a pipe, and a connection portion passing through the pipe; the two ends of the connecting part are detachably connected with the flange and the check valve respectively; the flange and the check valve are respectively connected with two ends of the pipeline in a clamping way; the non-return valve includes: the annular valve body is positioned on a mandrel in the annular valve body, and is rotationally connected with the first valve and the second valve; the annular valve body can be folded in half, and the annular valve body can pass through the pipeline after being folded in half.

According to the prior art structure, the check valve is positioned in the pipeline and overturns around the mandrel through the first valve and the second valve so as to enable the interior of the pipeline to be opened or closed, but in the structure, the check valve is required to be disassembled for operation due to the fact that the transmission structure of the check valve is positioned in the pipeline, and maintenance difficulty is improved.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides an air valve structure, which aims to solve the problem that the check valve is in a pipeline and the maintenance difficulty is high in the prior art.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a pneumatic valve structure, its pneumatic valve main part that has, its characterized in that is provided with the cavity in the pneumatic valve main part, the pneumatic valve main part is provided with first pneumatic valve cylinder and the second pneumatic valve cylinder that are linked together with the cavity, movably wear to be equipped with the picture peg in the pneumatic valve main part, one side of picture peg is provided with the through-hole corresponding with the cavity, and the opposite side is the enclosure surface, the one end of picture peg is connected with the piston rod cylinder, the piston rod cylinder is located the both sides of pneumatic valve main part.

In the above-mentioned air valve structure, both sides the tip of the piston rod of piston rod cylinder all is connected with the picture peg, both sides the piston rod cylinder all has gas outlet and air inlet, both sides the gas outlet of piston rod cylinder is linked together through first tee bend spare, both sides the air inlet of piston rod cylinder is linked together through the second tee bend spare, first tee bend spare and second tee bend spare all are linked together with three-way solenoid valve, and this three-way solenoid valve is located one side of pneumatic valve main part.

In the above-mentioned air valve structure, the both sides of pneumatic valve main part all are provided with the cylinder installation cavity, piston rod cylinder fixed mounting is in the cylinder installation cavity, the both ends of piston rod cylinder all run through the cylinder installation cavity and outwards extend, the picture peg is close to the fixed connecting plate that is provided with of one end of enclosing face, the tip and the connecting plate fixed connection of piston rod.

In the above-mentioned air valve structure, the bar groove that matches with the picture peg is all offered at the both ends of pneumatic valve main part, and this bar groove is linked together with the cavity, the picture peg wears to establish at the bar inslot, and this bar inslot outside is provided with the gum brush strip, and the upper end of this gum brush strip is leveled with the interior lower extreme of bar groove to the gum brush strip contacts with the lower terminal surface of picture peg.

In the above air valve structure, the width of the insert plate is the same as the inner width of the strip-shaped groove, and the thickness of the insert plate is the same as the inner height of the strip-shaped groove.

The plug board is movably arranged in the pneumatic valve main body in a penetrating way, the plug board is driven by the piston rod air cylinder, the interior of the pipeline is opened or closed by using the sealing surface and the through hole on the plug board, the piston rod air cylinder is positioned at two sides of the pneumatic valve main body, the plug board can be taken out without integrally disassembling the plug board in the maintenance process, and the plug board can be conveniently maintained and has longer service life compared with the prior art by only disconnecting the piston rod air cylinder and the plug board.

Drawings

FIG. 1 is a schematic diagram of a closed state structure of a valve structure according to the present utility model.

FIG. 2 is a second schematic diagram of the closed state of the air valve structure of the present utility model.

FIG. 3 is a schematic diagram showing the open state of the air valve structure according to the present utility model.

Fig. 4 is a schematic structural view of the adhesive-backed brush bar and the strip-shaped groove.

In the figure: the pneumatic valve comprises a pneumatic valve body 1, a first air valve cylinder 2, a second air valve cylinder 3, an inserting plate 4, a through hole 5, a sealing surface 6, a connecting plate 7, a piston rod cylinder 8, an air outlet 9, an air inlet 10, a first three-way piece 11, a second three-way piece 12, a three-way electromagnetic valve 13, a cylinder mounting cavity 14, a back adhesive brush strip 15 and a strip-shaped groove 16.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

The air valve structure is characterized in that a cavity is formed in the air valve body 1, a first air valve cylinder 2 and a second air valve cylinder 3 which are communicated with the cavity are arranged in the air valve body 1, an inserting plate 4 is movably arranged in the air valve body 1 in a penetrating mode, a through hole 5 corresponding to the cavity is formed in one side of the inserting plate 4, a sealing surface 6 is arranged on the other side of the inserting plate, a piston rod air cylinder 8 is connected to one end of the inserting plate 4, and the piston rod air cylinder 8 is located on two sides of the air valve body 1; the plug board 4 is movably arranged in the pneumatic valve main body 1 in a penetrating way, the plug board 4 is driven by the piston rod air cylinder 8, the inside of a pipeline is opened or closed by using the sealing surface 6 and the through holes 5 on the plug board 4, the piston rod air cylinder 8 is arranged on two sides of the pneumatic valve main body 1, the whole plug board 4 is not required to be detached in the maintenance process, the plug board 4 can be taken out only by disconnecting the connection between the piston rod air cylinder 8 and the plug board 4, the maintenance is convenient, and the service life is longer than that of the prior art.

The end parts of piston rods of the piston rod cylinders 8 at the two sides are connected with the plugboard 4, the piston rod cylinders 8 at the two sides are provided with an air outlet 9 and an air inlet 10, the air outlets 9 of the piston rod cylinders 8 at the two sides are communicated through a first three-way piece 11, the air inlets 10 of the piston rod cylinders 8 at the two sides are communicated through a second three-way piece 12, the first three-way piece 11 and the second three-way piece 12 are communicated with a three-way electromagnetic valve 13, and the three-way electromagnetic valve 13 is positioned at one side of the pneumatic valve main body 1; the three-way electromagnetic valve is provided with three ports which can be respectively connected with the first three-way part 11, the second three-way part 12 and the air compressor, when the three-way electromagnetic valve 13 is electrified, the air compressor inputs air pressure into the three-way electromagnetic valve and gas enters the piston rod cylinders 8 on two sides through the second three-way part 12, so that the piston rod cylinders 8 are extended to push the plugboard 4, the through holes 5 are moved into the cavities, and the air valve main body 1 is opened; when the three-way electromagnetic valve 13 is powered off, the air outlet 9 of the piston rod air cylinder 8 is exhausted, and the air is input into the three-way electromagnetic valve 13 through the first three-way piece 11, so that the plugboard 4 moves, and the sealing surface 6 seals the cavity.

It should be noted that, the three-way electromagnetic valve 13 adopted in this implementation is a commercially available element gas fitting, its internal structure belongs to the prior art, and its structural principle is not described again.

The two sides of the pneumatic valve main body 1 are provided with cylinder mounting cavities 14, a piston rod cylinder 8 is fixedly mounted in each cylinder mounting cavity 14, two ends of the piston rod cylinder 8 penetrate through each cylinder mounting cavity 14 and extend outwards, one end, close to the sealing surface 6, of the plugboard 4 is fixedly provided with a connecting plate 7, and the end part of the piston rod is fixedly connected with the connecting plate 7; the whole structure is stable, related structures are not required to be installed in the cavity, and maintenance is more convenient.

The two ends of the pneumatic valve main body 1 are provided with strip-shaped grooves 16 matched with the inserting plates 4, the strip-shaped grooves 16 are communicated with the cavities, the inserting plates 4 are arranged in the strip-shaped grooves 16 in a penetrating mode, the outer sides of the strip-shaped grooves 16 are provided with gum brush strips 15, the upper ends of the gum brush strips 15 are leveled with the inner lower ends of the strip-shaped grooves 16, the gum brush strips 15 are contacted with the lower end faces of the inserting plates 4, the width of the inserting plates 4 is the same as the inner width of the strip-shaped grooves 16, and the thickness of the inserting plates 4 is the same as the inner height of the strip-shaped grooves 16; the matching of the plugboard 4 and the strip-shaped groove 16 ensures that the sealing performance is better.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims

1. The utility model provides an air valve structure, its has pneumatic valve main part (1), its characterized in that is provided with the cavity in pneumatic valve main part (1), pneumatic valve main part (1) are provided with first air valve cylinder (2) and second air valve cylinder (3) that are linked together with the cavity, movably wear to be equipped with picture peg (4) in pneumatic valve main part (1), one side of picture peg (4) is provided with through-hole (5) corresponding with the cavity, and the opposite side is enclosure surface (6), the one end of picture peg (4) is connected with piston rod cylinder (8), piston rod cylinder (8) are located the both sides of pneumatic valve main part (1).

2. A gas valve arrangement according to claim 1, characterized in that the ends of the piston rods of the piston rod cylinders (8) on both sides are connected to the insert plate (4), that the piston rod cylinders (8) on both sides are provided with a gas outlet (9) and a gas inlet (10), that the gas outlets (9) of the piston rod cylinders (8) on both sides are connected via a first three-way element (11), that the gas inlets (10) of the piston rod cylinders (8) on both sides are connected via a second three-way element (12), that the first three-way element (11) and the second three-way element (12) are connected to a three-way solenoid valve (13), that the three-way solenoid valve (13) is located at one side of the pneumatic valve body (1).

3. An air valve structure according to claim 2, characterized in that the two sides of the air valve main body (1) are provided with air cylinder mounting cavities (14), the piston rod air cylinder (8) is fixedly mounted in the air cylinder mounting cavities (14), the two ends of the piston rod air cylinder (8) penetrate through the air cylinder mounting cavities (14) and extend outwards, a connecting plate (7) is fixedly arranged at one end, close to the sealing surface (6), of the plugboard (4), and the end part of the piston rod is fixedly connected with the connecting plate (7).

4. A gas valve structure according to claim 3, characterized in that the two ends of the pneumatic valve main body (1) are provided with a strip-shaped groove (16) matched with the inserting plate (4), the strip-shaped groove (16) is communicated with the cavity, the inserting plate (4) is arranged in the strip-shaped groove (16) in a penetrating way, a back adhesive brush strip (15) is arranged outside the strip-shaped groove (16), the upper end of the back adhesive brush strip (15) is level with the inner lower end of the strip-shaped groove (16), and the back adhesive brush strip (15) is contacted with the lower end face of the inserting plate (4).

5. A gas valve structure according to claim 4, characterized in that the width of the insert plate (4) is the same as the inner width of the strip-shaped groove (16), and the thickness of the insert plate (4) is the same as the inner height of the strip-shaped groove (16).