CN219413686U

CN219413686U - Sealing plug for monitoring valve

Info

Publication number: CN219413686U
Application number: CN202320637634.2U
Authority: CN
Inventors: 杨伟; 马兵; 马洪川; 曾勇; 唐锐; 黄波; 吴波; 张宁茜; 张宇洲; 黄治; 洪都帅
Original assignee: Leshan Qianyan Oil And Gas Equipment Manufacturing Co ltd
Current assignee: Leshan Qianyan Oil And Gas Equipment Manufacturing Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-07-25
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a sealing plug for a monitoring valve, which comprises a plug body, wherein the plug body is in the shape of an isosceles circular table, the diameter of the upper end surface of the plug body is larger than that of the lower end surface of the plug body, a continuous external thread is arranged on the outer wall of the plug body, an annular groove is formed in the middle of the outer wall of the plug body, vulcanized rubber is connected inside the annular groove, and a rotary groove is formed in the upper end surface of the plug body, so that the problems that the sealing plug needs to be unscrewed in the existing monitoring valve maintenance process, the sealing plug needs to be screwed after the maintenance is finished, static electricity is easy to be generated no matter whether the sealing plug is screwed or unscrewed, and the generated static electricity is easy to influence natural gas transportation are solved.

Description

Sealing plug for monitoring valve

Technical Field

The utility model belongs to the field of sealing plugs, and relates to a sealing plug for a monitoring valve.

Background

Plugs, also known as caps, pipe caps, and plugs, are typically mounted on the external threads of the pipe ends to cap the pipe elements of the pipe; the plug is used for closing the pipeline, the effect is the same as that of the pipe plug, the plug comprises a convex plug, a cone shell plug, a reducing section plug, a flat cover plug and a tightening port plug, various corresponding valves are needed to be installed in a pipeline of a natural gas conveying station, the conveying amount of natural gas is convenient to control and the pressure in the pipeline is convenient to release through the corresponding valves, and the air pressure and the abnormality of the inside of the pipeline are overhauled through the corresponding monitoring valves.

The monitoring valve needs to discharge the natural gas inside the valve in the use process, the natural gas inside the valve is discharged through loosening the sealing plug, static electricity is easily generated in the rotating process when the sealing plug is loosened, the sealing plug is required to be installed on the monitoring valve after detection is completed, the sealing plug is required to be rotated in the installation process, static electricity is easily generated when the sealing plug is screwed or unscrewed, and the generated static electricity easily affects natural gas conveying.

Disclosure of Invention

The utility model aims at: a sealing plug for a monitoring valve is provided, which solves the technical problems.

The technical scheme adopted by the utility model is as follows:

the utility model provides a sealed end cap for monitoring valve, includes the end cap body, and the shape of end cap body is isosceles circular platform, and the diameter of end cap body up end is greater than the diameter of end face under the end cap body, is equipped with continuous external screw thread on the outer wall of end cap body, and the ring channel has been seted up at the middle part of end cap body outer wall, and ring channel internal connection has vulcanized rubber, and the rotary groove has been seted up to end cap body up end.

The working principle of the utility model is as follows: the end cap body shape is isosceles circular truncated cone, be convenient for be connected whole end cap body and monitoring valve, inside making inside whole end cap body fully plugged into the monitoring valve, avoided part end cap body to be located the outside problem of monitoring valve, diameter through end cap body up end is greater than the diameter of end face under the end cap body is convenient for inside screwing in end cap body into monitoring valve, still be convenient for unscrew whole end cap body out the monitoring valve, the continuous external screw thread that sets up on the end cap body is convenient for with the internal thread matchable connection of monitoring valve, the middle part of end cap body outer wall is used for setting up the ring channel, the inside of ring channel is used for connecting vulcanized rubber, vulcanized rubber is used for contacting with the inner wall of monitoring valve, the outer wall of end cap body is avoided directly totally with the internal thread connection of monitoring valve inner wall, the problem of static production in the rotatory in-process of end cap body has been avoided through vulcanized rubber that sets up, the up end cap body's up end cap body up end face is used for setting up the swivelling groove, the swivelling groove is used for inserting corresponding spanner, be convenient for driving whole end cap body through the spanner and rotate.

When the monitoring valve is required to be overhauled, the wrench is inserted into the rotary groove, the plug body is convenient to unscrew from the monitoring valve through the rotary wrench, vulcanized rubber is arranged on the outer wall of the plug body, the inner threaded connection between the outer wall of the plug body and the inner wall of the monitoring valve is avoided, and then the problem of static electricity generation in the process of unscrewing of the plug body is avoided.

After maintenance is completed, the diameter of the lower end face of the plug body is smaller than that of the upper end face, the lower end face of the plug body is conveniently inserted into the inner wall of the monitoring valve, a spanner is conveniently inserted into the inner wall of the monitoring valve to drive the whole plug body to rotate, vulcanized rubber is arranged on the outer wall of the plug body, the inner threaded connection between the outer wall of the plug body and the inner wall of the monitoring valve is avoided, and the problem of static electricity generated in the process of screwing the plug body is avoided.

Further: the cross section of the annular groove is a trapezoid surface with one side open, and the shape and the size of vulcanized rubber are matched with those of the inner wall of the annular groove.

Further: the upper end face of the plug body is provided with a first annular chamfer, and the lower end face of the plug body is provided with a second annular chamfer.

Further: the central axis of the rotary groove is collinear with the central axis of the plug body, and the shape of the inner wall of the rotary groove is of an inner hexagonal structure.

Further: the bottom of the rotary groove is communicated with a conical hole, and the top of the rotary groove is provided with a third annular chamfer.

Further: the plug body is made of stainless steel.

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

1. the sealing plug for the monitoring valve is characterized in that the diameter of the lower end face of the plug body is smaller than that of the upper end face, so that the lower end face of the plug body is conveniently inserted into the inner wall of the monitoring valve, and a spanner is conveniently used for driving the whole plug body to rotate after the lower end face of the plug body is inserted;

2. according to the utility model, the vulcanized rubber is arranged on the outer wall of the plug body, so that the outer wall of the plug body is prevented from being completely connected with the internal thread of the inner wall of the monitoring valve, and further the problem of static electricity generated in the process of screwing out and screwing in the plug body is avoided.

Drawings

For a clearer description of the technical solutions of embodiments of the present utility model, 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 should not be considered limiting in scope, and other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the connection of the vulcanized rubber to the annular groove in the present utility model;

FIG. 3 is a schematic top view of the present utility model;

the marks in the figure: 1-plug body, 2-external screw thread, 3-ring channel, 4-vulcanized rubber, 5-rotary groove, 6-first annular chamfer, 7-second annular chamfer, 8-conical bore, 9-third annular chamfer.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The features and capabilities of the present utility model are described in further detail below in connection with examples.

Example 1

The utility model discloses a sealing plug for a monitoring valve, which is shown in fig. 1-3, and comprises a plug body 1, wherein the plug body 1 is in the shape of an isosceles circular table, the diameter of the upper end surface of the plug body 1 is larger than that of the lower end surface of the plug body 1, a continuous external thread 2 is arranged on the outer wall of the plug body 1, an annular groove 3 is formed in the middle of the outer wall of the plug body 1, vulcanized rubber 4 is connected inside the annular groove 3, a rotary groove 5 is formed in the upper end surface of the plug body 1, the cross section of the annular groove 3 is a trapezoid surface with one side open, and the shape and the size of the vulcanized rubber 4 are matched with those of the inner wall of the annular groove 3.

The specific implementation manner of the embodiment is as follows: the end cap body shape is isosceles circular truncated cone, be convenient for be connected whole end cap body and monitoring valve, inside making inside whole end cap body fully plugged into the monitoring valve, avoided part end cap body to be located the outside problem of monitoring valve, diameter through end cap body up end is greater than the diameter of end face under the end cap body is convenient for inside screwing in end cap body into monitoring valve, still be convenient for unscrew whole end cap body out the monitoring valve, the continuous external screw thread that sets up on the end cap body is convenient for with the internal thread matchable connection of monitoring valve, the middle part of end cap body outer wall is used for setting up the ring channel, the inside of ring channel is used for connecting vulcanized rubber, vulcanized rubber is used for contacting with the inner wall of monitoring valve, the outer wall of end cap body is avoided directly totally with the internal thread connection of monitoring valve inner wall, the problem of static production in the rotatory in-process of end cap body has been avoided through vulcanized rubber that sets up, the up end cap body's up end cap body up end face is used for setting up the swivelling groove, the swivelling groove is used for inserting corresponding spanner, be convenient for driving whole end cap body through the spanner and rotate.

In other embodiments, the upper end surface of the plug body 1 is provided with a first annular chamfer 6, the lower end surface of the plug body 1 is provided with a second annular chamfer 7, the central axis of the rotary groove 5 is collinear with the central axis of the plug body 1, the shape of the inner wall of the rotary groove 5 is of an inner hexagonal structure, the bottom of the rotary groove 5 is communicated with a conical hole 8, the top of the rotary groove 5 is provided with a third annular chamfer 9, and the plug body 1 is made of stainless steel.

The specific implementation manner of the embodiment is as follows: the first annular chamfer that sets up is convenient for insert the monitoring valve internal thread junction with the end cap body, and the second annular chamfer that sets up has avoided end cap body up end fish tail maintainer, and the third annular chamfer that sets up is convenient for the spanner to insert inside the rotary groove.

The axis of rotary tank and the axis of end cap body are collinear, are convenient for drive whole end cap body through the spanner and rotate, and the shape of rotary tank inner wall is interior hexagonal structure convenient to use allen key, and the bottom intercommunication of rotary tank has the circular conical bore to avoid the problem that the spanner was blocked in the use.

The plug body is made of stainless steel, so that the service life of the plug body is prolonged.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any modifications, equivalents, improvements and modifications within the spirit and principles of the utility model will become apparent to those skilled in the art.

Claims

1. A sealing plug for monitoring valve, its characterized in that: including end cap body (1), the shape of end cap body (1) is isosceles circular truncated cone, and the diameter of end cap body (1) up end is greater than the diameter of end face under end cap body (1), is equipped with continuous external screw thread (2) on the outer wall of end cap body (1), and annular channel (3) have been seted up at the middle part of end cap body (1) outer wall, and annular channel (3) internally connected has vulcanized rubber (4), and rotary groove (5) have been seted up to end cap body (1) up end.

2. A sealing plug for a monitoring valve as defined in claim 1, wherein: the cross section of the annular groove (3) is a trapezoid surface with one side open, and the shape and the size of the vulcanized rubber (4) are matched with those of the inner wall of the annular groove (3).

3. A sealing plug for a monitoring valve as defined in claim 1, wherein: the upper end face of the plug body (1) is provided with a first annular chamfer (6), and the lower end face of the plug body (1) is provided with a second annular chamfer (7).

4. A sealing plug for a monitoring valve as defined in claim 1, wherein: the central axis of the rotary groove (5) is collinear with the central axis of the plug body (1), and the shape of the inner wall of the rotary groove (5) is of an inner hexagonal structure.

5. A sealing plug for a monitoring valve as defined in claim 4, wherein: the bottom of the rotary groove (5) is communicated with a conical hole (8), and a third annular chamfer (9) is arranged at the top of the rotary groove (5).

6. A sealing plug for a monitoring valve as defined in claim 1, wherein: the plug body (1) is made of stainless steel.