Pneumatic control water gas valve

Abstract

The utility model relates to an air control water and air valve which comprises a valve body, a working water / air channel is arranged on one side in the valve body, a flow channel is arranged on the other side in the valve body, a communication channel is arranged in the middle in the valve body, and the working water / air channel is communicated with the flow channel through the communication channel. A piston moving in the working water / gas channel is connected in the working water / gas channel, an end cover is connected to the outer end of the working water / gas channel, a sealing spring is connected between the end cover and the piston, a control gas inlet connector communicated with the working water / gas channel is connected to the valve body, and a working water / gas inlet connector communicated with the working water / gas channel is connected to the valve body. The valve body is connected with an outlet connector communicated with the working water / gas channel and a working water / gas outlet connector communicated with the flow channel, and a flow adjusting assembly is connected into the flow channel. According to the utility model, the flow of output water flow or air flow can be controlled and adjusted.

Description

Technical Field

[0001] The utility model relates to an air-controlled water-gas valve. Background Art

[0002] The air-controlled valve currently on the market, after searching, patent: air-controlled valve (CN200810019120.0), includes a valve body, a valve core, a front end cover and a rear end cover, a fluid inlet and an outlet are provided on both side walls of the valve body, and air holes are respectively provided on the front end cover and the rear end cover, the valve core has a first end, a second end and a closing part, the first end, the second end and the closing part are respectively sealed with the inner wall of the valve body, the first end, the valve body and the front end cover form a first air chamber, the second end, the valve body and the rear end cover form a second air chamber, the closing part, the second end and the valve body form a third air chamber, the first air chamber, the second air chamber and the third air chamber are air-tightly sealed; the area of ​​the front end face of the first end is smaller than the area of ​​the rear end face of the second end, the first air chamber is connected to the reset air path through the air hole on the front end cover, and the second air chamber is connected to the control air path through the air hole on the rear end cover. However, the above structure can only control the opening and closing of the valve by the on-off flow of air, and has no function of controlling and regulating the flow of water or air output after the valve is opened. A water flow or air flow regulating device needs to be installed separately to control and regulate the water flow or air output from the valve; this requires installing an additional component in the limited space inside the dental comprehensive treatment machine.

[0003] In view of the above-mentioned defects, the designer has actively carried out research and innovation in order to create a new type of air-controlled water valve with a view to making it more valuable for industrial use. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the present utility model is to provide an air-controlled water-gas valve.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A pneumatically controlled water / gas valve comprises a valve body, a working water / gas channel is provided on one side of the valve body, a flow channel is provided on the other side of the valve body, a connecting channel is provided in the middle of the valve body, the working water / gas channel is connected to the flow channel through the connecting channel, a piston that moves in the working water / gas channel is connected to the working water / gas channel, an end cover is connected to the outer end of the working water / gas channel, a sealing spring is connected between the end cover and the piston, a control gas inlet joint connected to the working water / gas channel is connected to the valve body, a working water / gas inlet joint connected to the working water / gas channel is connected to the valve body, an outlet joint connected to the working water / gas channel is connected to the valve body, a working water / gas outlet joint connected to the flow channel is connected to the valve body, and a flow regulating component for regulating the flow is connected in the flow channel.

[0007] Preferably, in the air-controlled water-gas valve, both the piston and the end cover are provided with positioning grooves for positioning the sealing spring.

[0008] Preferably, in the air-controlled water-gas valve, the piston is connected to the first sealing ring, the second sealing ring and the third sealing ring from left to right in sequence, wherein the control air inlet connector is located between the first sealing ring and the first sealing ring, and the working water / air inlet connector and outlet connector are both located between the second sealing ring and the third sealing ring.

[0009] Preferably, in the air-controlled water-gas valve, the control air inlet joint, the working water / air inlet joint, the outlet joint and the working water / air outlet joint are all inverted tooth bamboo joints, or flange joints, or quick-insert male joints.

[0010] Preferably, in the air-controlled water-gas valve, the flow regulating assembly includes a flow regulating rod and a flow regulating cone, the flow regulating cone moves in the flow channel, and the flow regulating cone is connected to the valve body through the flow regulating rod.

[0011] Preferably, in the air-controlled water-gas valve, the flow regulating rod is screwed to the valve body.

[0012] Preferably, in the air-controlled water-gas valve, the flow regulating cone contacts the inner wall of the flow channel of the fourth sealing ring.

[0013] By means of the above solution, the present invention has at least the following advantages:

[0014] The utility model has the functions of opening and closing the airflow control valve and the function of controlling and adjusting the flow of output water flow or airflow, has a compact structure and is easy to operate.

[0015] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This utility model Figure 1 sectional view of

[0019] Figure 3 It is a structural schematic diagram of the utility model when the piston is in an open state. DETAILED DESCRIPTION

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0022] Example

[0023] like Figure 1 、 Figure 2 and Figure 3As shown, an air-controlled water-gas valve comprises a valve body 1, a working water / gas channel 2 is provided on one side of the valve body 1, a flow channel 3 is provided on the other side of the valve body 1, a connecting channel 4 is provided in the middle of the valve body 1, the working water / gas channel 2 is connected to the flow channel 3 through the connecting channel 4, a piston 5 that moves in the working water / gas channel 2 is connected to the working water / gas channel 2, an end cover 6 is connected to the outer end of the working water / gas channel 2, a sealing spring 7 is connected between the end cover 6 and the piston 5, a control gas inlet connector 9 connected to the working water / gas channel 2 is connected to the valve body 1, a working water / gas inlet connector 10 connected to the working water / gas channel 2 is connected to the valve body 1, an outlet connector 11 connected to the working water / gas channel 2 is connected to the valve body 1, a working water / gas outlet connector 12 connected to the flow channel 3 is connected to the valve body 1, and a flow regulating component 8 for regulating the flow is connected to the flow channel 3.

[0024] In the present invention, both the piston 5 and the end cover 6 are provided with positioning grooves for positioning the sealing spring 7 .

[0025] The piston 5 in the present invention is connected to the first sealing ring 13, the second sealing ring 14 and the third sealing ring 15 from left to right, wherein the control air inlet joint 9 is located between the first sealing ring 13 and the first sealing ring 13, and the working water / gas inlet joint 10 and the outlet joint 11 are both located between the second sealing ring 14 and the third sealing ring 15.

[0026] The control air inlet connector 9, the working water / air inlet connector 10, the outlet connector 11 and the working water / air outlet connector 12 in the present invention are all inverted tooth bamboo joints, or flange joints, or quick-insert male joints.

[0027] The flow regulating assembly 8 in the present invention includes a flow regulating rod 81 and a flow regulating cone 82. The flow regulating cone 82 moves in the flow channel 3. At the same time, the flow regulating cone 82 is connected to the valve body 1 through the flow regulating rod 81, wherein the flow regulating rod 81 is screwed to the valve body 1.

[0028] The flow regulating cone 82 of the present invention contacts the inner wall of the flow channel 3 through the fourth sealing ring 16 .

[0029] The working principle of this utility model is as follows:

[0030] Control gas inlet connector: This is the input gas pressure;

[0031] Outlet connector: This is where the air or water pressure that is the same as the working water or gas inlet pressure can be output;

[0032] Working water / gas inlet connector: This is the input water pressure or air pressure;

[0033] Working water / gas outlet connector: This is the output water pressure or air pressure.

[0034] When the valve body is controlled by the air pressure of the control air inlet joint, when there is no air pressure input, the piston is held up by the sealing spring, the third sealing ring on the piston is pressed tightly against the sealing surface of the valve body, the water flow or air flow is blocked, and there is no air flow or active water flow output from the working water / air outlet;

[0035] When there is input air pressure at the control air inlet joint, the piston is pushed toward the sealing spring side by the air pressure, and the third sealing ring on the piston is separated from the sealing surface of the valve body, so that water or air can flow to the flow channel. The flow of the flow regulating cone can be adjusted by the flow regulating rod on the right side of the flow channel. The gap between the flow regulating cone and the connecting channel is controlled by the flow regulating rod. The larger the gap, the greater the air flow or water flow out of the working water or gas outlet. When there is no gap between the contact between the flow regulating cone and the connecting channel, no air flow or water flow will flow out of the working water or gas outlet.

[0036] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0037] In the description of this application, it should be noted that the terms "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of this application is typically placed when in use. These terms are intended solely to facilitate the description of this application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," etc., etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0038] In addition, the terms "horizontal" and "vertical" do not mean that the components must be absolutely horizontal or vertical, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0039] It should also be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A gas-controlled water-gas valve, characterized by: The invention comprises a valve body (1), a working water / gas channel (2) is provided on one side of the valve body (1), a flow channel (3) is provided on the other side of the valve body (1), a connecting channel (4) is provided in the middle of the valve body (1), the working water / gas channel (2) is connected to the flow channel (3) through the connecting channel (4), a piston (5) movable in the working water / gas channel (2) is connected to the working water / gas channel (2), an end cover (6) is connected to the outer end of the working water / gas channel (2), and the end cover (6) and the piston (5) are connected. A sealing spring (7) is connected between the valve body (1), a control air inlet connector (9) communicating with the working water / air channel (2) is connected to the valve body (1), a working water / air inlet connector (10) communicating with the working water / air channel (2) is connected to the valve body (1), an outlet connector (11) communicating with the working water / air channel (2) is connected to the valve body (1), a working water / air outlet connector (12) communicating with the flow channel (3) is connected to the valve body (1), and a flow regulating component (8) for regulating flow is connected in the flow channel (3).

2. The air-controlled water-gas valve according to claim 1, characterized in that: The piston (5) and the end cover (6) are both provided with positioning grooves for positioning the sealing spring (7).

3. The air-controlled water-gas valve according to claim 1, characterized in that: The piston (5) is connected to a first sealing ring (13), a second sealing ring (14) and a third sealing ring (15) in sequence from left to right, wherein the control air inlet connector (9) is located between the first sealing ring (13) and the first sealing ring (13), and the working water / air inlet connector (10) and the outlet connector (11) are both located between the second sealing ring (14) and the third sealing ring (15).

4. The air-controlled water-gas valve according to claim 1, characterized in that: The control air inlet connector (9), the working water / air inlet connector (10), the outlet connector (11) and the working water / air outlet connector (12) are all inverted tooth bamboo joints, or flange joints, or quick-insert male joints.

5. The air-controlled water-gas valve according to claim 1, characterized in that: The flow regulating assembly (8) comprises a flow regulating rod (81) and a flow regulating cone (82). The flow regulating cone (82) moves in the flow channel (3). The flow regulating cone (82) is connected to the valve body (1) through the flow regulating rod (81).

6. The air-controlled water-gas valve according to claim 5, characterized in that: The flow regulating rod (81) is screwed onto the valve body (1).

7. The air-controlled water-gas valve according to claim 5, characterized in that: The flow regulating cone (82) contacts the inner wall of the flow channel (3) through the fourth sealing ring (16).

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