CN220204848U - Rotary-open ceramic valve for on-line leakage detection - Google Patents

Abstract

The utility model discloses a unscrewed ceramic valve for detecting leakage on line, which comprises a valve body and an upper cover, wherein one side of the upper cover is connected with the valve body, the other side of the upper cover is provided with an outwards extending short-diameter channel, a leakage detection pipeline is communicated with the short-diameter channel, and a needle valve is arranged on the leakage detection pipeline. The utility model improves the existing valve, through setting up leak detection pipeline and needle valve in the valve upper cover, when checking the valve whether leak, do not need to detach the valve from pipeline, only need to continuously charge air to the valve body, open the needle valve after charging, if there is gas to leak from the needle valve, can prove this valve body has already sealed and failed, therefore the utility model can carry on the online detection to the valve without detaching the valve when leak detection to the valve, compared with the prior art more time-saving and labor-saving.

Description

Rotary-open ceramic valve for on-line leakage detection

Technical Field

The utility model belongs to the technical field of powder conveying, and particularly relates to a unscrewed ceramic valve for detecting leakage on line.

Background

In the current powder conveying field, the powder material is conveyed by a multipurpose pipeline, and the powder material is pressed by air pressure to flow forwards in the pipeline. The longer the line, the greater the pressure required. The greater the pressure, the higher the flow rate of the powder.

The existing powder conveying system is mainly used for intelligent conveying, automatic control is achieved by utilizing various valve bodies, when whether leakage occurs in the valve bodies or not is detected, the valve bodies are usually detached from pipelines, then air leakage detection is carried out on the valve bodies, and the detection mode is time-consuming and labor-consuming and inconvenient.

Disclosure of Invention

In view of the above, the present utility model aims to overcome the defects in the prior art, and provides a unscrewed ceramic valve for detecting leakage on line, which provides the following technical scheme:

the utility model provides a turn-on ceramic valve of on-line measuring leakage, includes valve body and upper cover, one side and the valve body of upper cover are connected, the opposite side of upper cover has the outside short diameter passageway that extends, the intercommunication has the leak hunting pipeline on the short diameter passageway, be provided with the needle valve on the leak hunting pipeline.

In one possible embodiment, the valve body is provided with a viewing window, which is plugged by an end cap.

In one possible embodiment, a gate is disposed in the valve body, and the gate is disposed on an end surface of the short-diameter channel, so as to be used for blocking the short-diameter channel, and a driving assembly is connected to the gate and is used for driving the gate to rotate along the end surface of the short-diameter channel so as to control opening and closing of the short-diameter channel.

In one possible embodiment, the driving assembly comprises a cylinder assembly, a rotating shaft and a connecting rod assembly, the connecting rod assembly comprises an inner connecting rod and an outer connecting rod, the cylinder assembly is located on one side of the upper cover, one end of the outer connecting rod is connected with the cylinder assembly, the other end of the outer connecting rod is connected with the inner connecting rod through the rotating shaft, one end, away from the rotating shaft, of the inner connecting rod is connected with the flashboard, and the inner connecting rod is located in the valve body.

In one possible embodiment, a die spring is disposed between the inner link and the ram.

In one possible embodiment, the bearing further comprises a bearing sleeve, the bearing sleeve is arranged on the upper cover, the rotating shaft is positioned in the bearing sleeve, and a bearing and an oil seal are arranged in the bearing sleeve.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

the utility model improves the existing valve, through setting up leak detection pipeline and needle valve in the valve upper cover, when checking the valve whether leak, do not need to detach the valve from pipeline, only need to continuously charge air to the valve body, open the needle valve after charging, if there is gas to leak from the needle valve, can prove this valve body has already sealed and failed, therefore the utility model can carry on the online detection to the valve without detaching the valve when leak detection to the valve, compared with the prior art more time-saving and labor-saving.

In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic elevational view in cross-section of the present utility model.

Reference numerals: 1-a valve body; 2-an upper cover; 3-short diameter channels; 4-leak detection pipeline; 5-needle valve; 6-end caps; 7-flashboard; an 8-cylinder assembly; 9-rotating shaft; 10-an inner link; 11-an outer link; 12-die springs.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Example 1

Referring to fig. 1, the unscrewed ceramic valve for detecting leakage online provided in this embodiment includes a valve body 1 and an upper cover 2, wherein one side of the upper cover 2 is connected with the valve body 1, the other side of the upper cover 2 has an outwardly extending short diameter channel 3, a leakage detection pipeline 4 is connected to the short diameter channel 3, and a needle valve 5 is provided on the leakage detection pipeline 4.

In the above embodiment, as shown in fig. 1, the present utility model improves the existing valve, which may be a unscrewed ceramic feed valve, a unscrewed ceramic discharge valve or a unscrewed ceramic balance valve, and this valve may be used for conveying powdery materials, in which powder is pressed by air pressure to flow forward, and after improvement, the valve may be used for detecting leakage on line, specifically, the valve includes two parts, namely, a valve body 1 and an upper cover 2, one side of the valve body 1 and one side of the upper cover 2 are connected with each other through bolts, and the other opposite sides are connected with pipes through flanges, wherein one side of the upper cover 2 connected with the pipes is a short-diameter channel 3, in which a small leakage-detecting pipe 4 is connected with the short-diameter channel 3 for conveying powdery materials, and a needle valve 5 is installed on the leakage-detecting pipe 4, and the needle valve 5 belongs to a mature product in the prior art, and may also be other valves.

When detecting whether valve body 1 leaks, need not to dismantle it from the pipeline, close the valve discharge end, aerify to the inside of valve, this inflation source can be the oppression air supply of powdery material, opens needle valve 5 after aerifing, if there is gas to leak from needle valve 5, then prove that this valve has sealed inefficacy.

It should be noted that, in this embodiment, the existing valve is improved, the leak detection channel and the needle valve 5 are designed, the rest of the structure of the valve is not changed, and the structure and the working principle thereof belong to the prior art, and are not specifically described in this application.

In an alternative to the above embodiments, the valve body 1 is provided with a viewing window, which is blocked by an end cap 6.

In this alternative, install a circular observation window on the valve body 1, have the closing cap on this observation mouth of pipe, the removable connection of closing cap accessible bolt realization can not dismantle valve body 1 from the pipeline during maintenance and can observe whether its inside damages.

In an alternative of the foregoing embodiment, a gate 7 is disposed in the valve body 1, and the gate 7 is disposed on an end surface of the short-diameter channel 3, so as to be used for sealing the short-diameter channel 3, and a driving assembly is connected to the gate 7, and the driving assembly is used for driving the gate 7 to rotate along the end surface of the short-diameter channel 3, so as to control opening and closing of the short-diameter channel 3; the driving assembly comprises a cylinder assembly 8, a rotating shaft 9 and a connecting rod assembly, the connecting rod assembly comprises an inner connecting rod 10 and an outer connecting rod 11, the cylinder assembly 8 is positioned on one side of the upper cover 2, one end of the outer connecting rod 11 is connected with the cylinder assembly 8, the other end of the outer connecting rod 11 is connected with the inner connecting rod 10 through the rotating shaft 9, one end, away from the rotating shaft 9, of the inner connecting rod 10 is connected with the flashboard 7, and the inner connecting rod 10 is positioned in the valve body 1; a die spring 12 is arranged between the inner connecting rod 10 and the flashboard 7; still include the bearing housing, the bearing housing set up in on the upper cover 2, axis of rotation 9 is located in the bearing housing, be provided with bearing and oil blanket in the bearing housing.

In this alternative scheme, the utility model provides an internal structure of a unscrewed ceramic valve, specifically, as shown in fig. 2, a gate 7 is arranged in a valve body 1, the gate 7 is used for plugging the end face of a short-diameter channel 3, a driving component is used for driving the gate 7 to leave the end face of the short-diameter channel 3, opening of the valve is realized, wherein the gate 7 and a sealing face of an upper cover 2, namely the end face of the short-diameter channel 3, adopt ceramic sealing, are ground into mirror surfaces after being ground up and down, the driving component comprises a cylinder component 8, a rotating shaft 9 and a connecting rod component, the connecting rod component is composed of an outer connecting rod 11 arranged outside the valve body 1 and an inner connecting rod 10 arranged inside the outer connecting rod, one end of the inner connecting rod 10 is connected with the gate 7, a mould spring 12 is arranged between the inner connecting rod 10 and the gate 7, the spring force of the spring enables the gate 7 to be tightly attached to the end face of the short-diameter channel 3 of the upper cover 2, hard sealing is realized under the spring pressure, the other end of the inner connecting rod 10 is rotationally connected with the outer connecting rod 11 through the rotating shaft 9, the rotating shaft 9 is arranged in a bearing sleeve at one side of the upper cover 2, the rotating shaft is internally provided with a pair of conical bearings to be positioned and rotated, and the rotating shaft is arranged through an oil seal and a baffle piece to seal, and the sealing component is arranged outside the cylinder 7 through the sealing component 8, so that the shutter 7 is driven by the rotating through the sealing component 8; the inside of the valve body 1 adopts a streamline structure, so that materials are easier to flow out, a small groove is formed in a flange on one side, connected with the upper cover 2, of the valve body 1, and an O-shaped ring is embedded in the small groove for sealing.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims (6)

1. The utility model provides a turn-on ceramic valve of on-line measuring leakage which characterized in that: the valve comprises a valve body and an upper cover, wherein one side of the upper cover is connected with the valve body, the other side of the upper cover is provided with an outwards extending short-diameter channel, a leakage detection pipeline is communicated with the short-diameter channel, and a needle valve is arranged on the leakage detection pipeline.

2. A unscrewed ceramic valve for on-line leak detection according to claim 1, wherein: an observation window is arranged on the valve body and is blocked by an end cover.

3. A unscrewed ceramic valve for on-line leak detection according to claim 1, wherein: the valve body is internally provided with a flashboard, the flashboard is arranged on the end face of the short-diameter channel and used for blocking the short-diameter channel, the flashboard is connected with a driving assembly, and the driving assembly is used for driving the flashboard to rotate along the end face of the short-diameter channel so as to control the opening and closing of the short-diameter channel.

4. A unscrewed ceramic valve for on-line leak detection according to claim 3, wherein: the driving assembly comprises a cylinder assembly, a rotating shaft and a connecting rod assembly, wherein the connecting rod assembly comprises an inner connecting rod and an outer connecting rod, the cylinder assembly is located on one side of the upper cover, one end of the outer connecting rod is connected with the cylinder assembly, the other end of the outer connecting rod is connected with the inner connecting rod through the rotating shaft, one end, far away from the rotating shaft, of the inner connecting rod is connected with the flashboard, and the inner connecting rod is located in the valve body.

5. The on-line leak detection twist-off ceramic valve of claim 4, wherein: and a die spring is arranged between the inner connecting rod and the flashboard.

6. The on-line leak detection twist-off ceramic valve of claim 4, wherein: still include the bearing housing, the bearing housing set up in on the upper cover, the axis of rotation is located in the bearing housing, be provided with bearing and oil blanket in the bearing housing.