An exhaust valve

Abstract

The utility model relates to valve technical field discloses an exhaust valve, including water pipe, the top fixedly connected with valve housing of water pipe, the inside slide connection of valve housing has the buoy, the top fixedly connected with connecting exhaust pipe no.

Description

TECHNICAL FIELD

[0001] The utility model relates to a valve technical field especially relates to a exhaust valve. BACKGROUND

[0002] In water supply pipe network, the application of exhaust valve is mainly to prevent air and gas accumulated in the pipeline, ensure the smoothness of water flow and the safety of pipeline, in long distance water supply pipeline, especially in the area with large elevation change, air is easy to be trapped in the high point of pipeline, exhaust valve can automatically discharge these air, prevent airlock and uneven pressure in the pipeline, avoid the influence of water flow, ensure the normal operation of water pump;

[0003] The structure of an exhaust valve includes a float, a connecting spring, a brush, etc., the working principle of the exhaust valve is based on the buoyancy of the float and the mechanism of automatic opening and closing of the valve, the gas in the pipeline is automatically discharged, the liquid flow in the pipeline is kept stable, and the efficient and safe operation of the system is ensured;

[0004] In the prior art, the internal part of part of the exhaust valve is not provided with a cleaning mechanism, so that impurities such as scale, sediments and other sundries in the pipeline are easy to accumulate in the internal part of the valve during long time use, the impurities are accumulated in the opening and sealing areas of the valve, and then affect the normal operation of the valve, with the increase of use time, the accumulated impurities will cause the sealing performance of the valve to decrease, and the service life of the exhaust valve is affected by the phenomenon of air leakage and poor gas discharge, therefore, an exhaust valve is provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model provides an exhaust valve, which aims at improving the problem that part of the device in the prior art is not provided with a valve internal cleaning mechanism.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] An exhaust valve, comprising a water pipe, a valve housing is fixedly connected to the top of the water pipe, a float is slidably connected in the valve housing, a connecting exhaust pipe one is fixedly connected to the top of the float, a connecting exhaust pipe two is rotatably connected to the front side of the connecting exhaust pipe one, a elastic component is fixedly connected to the outside of the connecting exhaust pipe two, a limiting block is fixedly connected to the side of the connecting exhaust pipe one away from the connecting exhaust pipe two, a bottom limiting rod is fixedly connected to the bottom of the valve housing, a plurality of fixed rings are fixedly connected to the outside of the float, a brush is fixedly connected in the fixed ring, and a filter plate is fixedly connected to the inside lower end of the valve housing.

[0008] Further description of the above technical scheme:

[0009] The elastic component comprises a connecting spring, the inside of the connecting spring is fixedly connected to the outside of the connecting exhaust pipe two, and the inside of the connecting spring is fixedly connected to the outside of the connecting exhaust pipe one.

[0010] As further description of the above technical solution:

[0011] The outside of the bottom limiting rod is fixedly connected to the inside of the filter plate, and the bottom of the connecting spring is fixedly connected to the top of the float.

[0012] As further description of the above technical solution:

[0013] The outside of the connecting exhaust pipe two is fixedly connected to the inside of the valve shell, and the outside of the connecting exhaust pipe one is fixedly connected to the inside of the valve shell.

[0014] The utility model has the advantages of the following:

[0015] In the utility model, the float is at the bottom of the valve shell during exhaust, and is floated to the top of the valve shell after exhaust, the inside wall of the float is cleaned through the fixed ring and the brush outside the float, the impurities are adsorbed by the filter plate at the bottom, the impurities attached to the inside wall of the valve can be removed during use of the valve, the normal operation of the valve is avoided from being affected by the accumulation of the impurities, the inside wall is kept clean, the wear and blockage of the valve are reduced, and the long-term service life of the valve is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A perspective view of the exhaust valve is provided for the utility model;

[0017] Figure 2 A structure schematic view of the valve shell of the exhaust valve is provided for the utility model;

[0018] Figure 3 A Figure 2 An enlarged view of A in the utility model;

[0019] Figure 4 A structure schematic view of the filter plate of the exhaust valve is provided for the utility model.

[0020] LEGEND:

[0021] 1, water pipe; 2, valve shell; 3, float; 4, connecting exhaust pipe one; 5, connecting exhaust pipe two; 6, connecting spring; 7, limiting block; 8, bottom limiting rod; 9, fixed ring; 10, brush; 11, filter plate. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] With reference to Figure 2 , Figure 3 , Figure 4 An embodiment provided by the present application: an exhaust valve, comprising a water pipe 1, the water pipe 1 is the main water inlet pipe 1 of the exhaust valve, responsible for transporting fluid, the top of the water pipe 1 is fixedly connected with a valve shell 2, the valve shell 2 is the core external structure of the exhaust valve, mainly plays the role of supporting and protecting the internal mechanism, the inside of the valve shell 2 is slidably connected with a float 3, the float 3 is the key element of the exhaust valve, the function of the valve shell 2 is to sense the accumulation of gas in the water pipe 1 and drive the valve switch, the float 3 responds to the liquid and gas flow in the water pipe 1 through buoyancy, the top of the float 3 is fixedly connected with a connecting exhaust pipe one 4, the connecting exhaust pipe one 4 is one of the main exhaust passages of the exhaust valve, the front side of the connecting exhaust pipe one 4 is rotatably connected with a connecting exhaust pipe two 5, one end of the connecting exhaust pipe one 4 is connected with the float 3, and the other end is rotatably connected with the connecting exhaust pipe two 5, forming an adjustable exhaust passage, the outside of the connecting exhaust pipe two 5 is fixedly connected with an elastic component, the elastic component comprises a connecting spring 6, the inside of the connecting spring 6 is fixedly connected to the outside of the connecting exhaust pipe two 5, and the inside of the connecting spring 6 is fixedly connected to the outside of the connecting exhaust pipe one 4.

[0024] The connecting spring 6 is responsible for providing elastic force to maintain the normal working state of the connecting exhaust pipe one 4 and the connecting exhaust pipe two 5, the connecting exhaust pipe one 4 is fixedly connected with the limiting block 7 on the side away from the connecting exhaust pipe two 5, the limiting block 7 is used to limit the connection of the connecting exhaust pipe one 4 and the float 3, the bottom of the valve shell 2 is fixedly connected with the bottom limiting rod 8, the bottom limiting rod 8 is used to limit the downward range of the float 3, and it is ensured that the float 3 will not sink to the bottom completely during the valve working, a plurality of fixed rings 9 are fixedly connected outside the float 3, the fixed rings 9 provide a fixed position and support for the brush 10, the brush 10 is fixedly connected inside the fixed rings 9, the brush 10 is fixedly connected with the float 3 through the fixed rings 9, the brush 10 is used to automatically clean the inner wall of the valve, prevent the accumulation of impurities, sediments and other substances, the bristles of the brush 10 are made of corrosion-resistant and soft material, which can effectively clean the inner wall of the valve without damaging the surface of the valve body, with the floating of the float 3, the brush 10 can periodically clean the inner wall of the valve, keep the valve in good working condition, the inside lower end of the valve shell 2 is fixedly connected with the filter plate 11, the filter plate 11 is fixed at the inside lower end of the valve shell 2, and is used to adsorb the impurities cleaned out of the pipeline.

[0025] Referring to Figure 1 , Figure 3 , Figure 4 The outside of the bottom limiting rod 8 is fixedly connected inside the filter plate 11, the bottom limiting rod 8 limits the floating range of the float 3, the bottom of the connecting spring 6 is fixedly connected to the top of the float 3, the connecting spring 6 is used to connect the connecting exhaust pipe one 4 and the connecting exhaust pipe two 5, the outside of the connecting exhaust pipe two 5 is fixedly connected inside the valve shell 2, and the outside of the connecting exhaust pipe one 4 is fixedly connected inside the valve shell 2.

[0026] Working principle: when the fluid flows in the water pipe 1, the float 3 floats up and down with the change of liquid and gas, when the gas in the water pipe 1 accumulates to a certain degree, the float 3 rises and pushes the opening of the connecting exhaust pipe one 4, the rotary connection between the connecting exhaust pipe one 4 and the connecting exhaust pipe two 5 allows the gas to be smoothly discharged, forming an adjustable exhaust passage, the connecting spring 6 provides the necessary elastic force to ensure the normal working of the connecting exhaust pipe one 4 and the connecting exhaust pipe two 5, the downward movement of the float 3 is limited by the bottom limiting rod 8 to prevent it from sinking completely to the bottom of the valve. The fixed rings 9 outside the float 3 provide support for the brush 10, the brush 10 automatically cleans the inner wall of the valve during the floating process of the float 3, preventing the accumulation of impurities and sediments, the inside lower end of the valve shell 2 is provided with the filter plate 11 for adsorbing the impurities generated during the cleaning process, through the floating of the float 3 and the cleaning function of the brush 10, the exhaust valve can effectively sense and discharge the gas in the water pipe 1, keep the valve clean and in good working condition, and ensure the smooth and safe fluid conveying.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A drain valve comprising a water pipe (1), characterized in that: The top of the water pipe (1) is fixedly connected with the valve shell (2), the inside of the valve shell (2) is slidably connected with the float (3), the top of the float (3) is fixedly connected with the connecting exhaust pipe one (4), the front side of the connecting exhaust pipe one (4) is rotatably connected with the connecting exhaust pipe two (5), the outside of the connecting exhaust pipe two (5) is fixedly connected with the elastic component, the connecting exhaust pipe one (4) is fixedly connected with the limiting block (7) on the side away from the connecting exhaust pipe two (5), the bottom of the valve shell (2) is fixedly connected with the bottom limiting rod (8), the outside of the float (3) is fixedly connected with the plurality of fixed rings (9), the inside of the fixed ring (9) is fixedly connected with the brush (10), the inside of the valve shell (2) is fixedly connected with the filter plate (11) at the lower end.

2. An exhaust valve according to claim 1, wherein: The elastic component includes the connecting spring (6), the inside of the connecting spring (6) is fixedly connected with the outside of the connecting exhaust pipe two (5), and the inside of the connecting spring (6) is fixedly connected with the outside of the connecting exhaust pipe one (4).

3. An exhaust valve according to claim 2, wherein: The outside of the bottom limiting rod (8) is fixedly connected with the inside of the filter plate (11), and the bottom of the connecting spring (6) is fixedly connected with the top of the float (3).

4. An exhaust valve according to claim 1 wherein: The outside of the connecting exhaust pipe two (5) is fixedly connected with the inside of the valve shell (2), and the outside of the connecting exhaust pipe one (4) is fixedly connected with the inside of the valve shell (2).

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