Sampler for scraper flowmeter

Abstract

The utility model relates to the technical field of samplers, in particular to a sampler for a scraper flowmeter, which comprises a plug, a shell, an oil outlet pipe and an oil delivery pipe. A hollow structure for accommodating the plug is arranged in the shell; the upper end of the oil conveying pipe is communicated with the lower end of the shell, and the lower end of the oil conveying pipe is directly inserted into the flowmeter. The oil outlet pipe is welded to the side face of the shell and communicates with the interior of the shell. The plug is sleeved with the shell, a sealing rubber ring is arranged in the middle of the plug, the middle of the plug is connected with the interior of the shell in a sealed mode through the sealing rubber ring, and a press-fit part matched with the conical sharp bottom is correspondingly arranged in the shell. According to the sampler for the scraper flowmeter, the problem that the scraper flowmeter is difficult to sample during operation is effectively solved. By means of the unique structural design, medium oil samples used for testing can be safely and stably obtained under the condition that pressure and temperature exist, and potential safety hazards caused by sample splashing are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampler technical field, specifically be used for scraper flowmeter's sampler. BACKGROUND

[0002] The scraper flowmeter needs to obtain the medium oil in the pipeline periodically to measure the content and composition when working. Due to the physical characteristics of oil, the medium is under pressure and temperature when the scraper flowmeter works, and it is very difficult to obtain the sample for testing under this condition. First, the medium is easy to splash under the action of pressure and temperature, causing safety hazards; second, the seal of the flowmeter must be ensured after the sample is taken. Therefore, the sampler needs to meet the requirements of buffering pressure and taking sample oil, and ensuring good sealing.

[0003] However, due to the shortcomings of the existing technology, a sampler for scraper flowmeter has become a problem to be solved by people. INVENTION CONTENTS

[0004] The utility model aims at providing a sampler for scraper flowmeter to solve the problem of difficult sampling of existing scraper flowmeter and ensure that the medium oil sample for testing can be conveniently and effectively obtained under the premise of safety. Thus, the technical problem in the background art is solved.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme, a sampler for scraper flowmeter, comprising: plugging, shell, oil outlet pipe and oil delivery pipe;

[0006] The shell is internally provided with a hollow structure for accommodating the plugging; the upper end of the oil delivery pipe is in communication with the lower end of the shell, and the lower end of the oil delivery pipe is connected with the scraper flowmeter; the oil delivery pipe is used to deliver the medium oil in the scraper flowmeter to the inside of the sampler;

[0007] The oil outlet pipe is welded on the side of the shell and is in communication with the inside of the shell;

[0008] The upper end of the plugging exceeds the top end of the shell and extends upward, the middle part of the plugging is a stepped shaft structure, the middle part of the plugging is sleeved in the inside of the shell, the lower part of the plugging is provided with a conical pointed bottom, and the inside of the shell is correspondingly provided with a pressing part matched with the conical pointed bottom.

[0009] Further, the middle part of the plugging is provided with a sealing rubber ring, the sealing rubber ring is installed in the groove in the middle part of the plugging; the middle part of the plugging is sealingly connected with the inside of the shell through the sealing rubber ring, and the sealing rubber ring is used to enhance the sealing performance between the plugging and the shell to prevent the medium oil from overflowing from the connection between the plugging and the shell.

[0010] Further, the upper end of the plugging is a quadrilateral structure for being clamped by a wrench and being lifted upward when sampling.

[0011] Further, the end of the oil outlet pipe is provided with a screw plug; the screw plug is threadedly connected on the oil outlet pipe; the screw plug is used for keeping the oil outlet pipe sealed to prevent medium oil from leaking when sampling is not needed.

[0012] Further, a locking nut is further included, the locking nut is threadedly connected on the upper end of the shell; the outer circumference of the locking nut is provided with external threads, and the middle part of the locking nut is provided with a through hole.

[0013] Advantages

[0014] The scraper flowmeter sampler provided by the utility model effectively solves the problem of difficult sampling of the scraper flowmeter in operation. Through the unique structural design, the medium oil sample for testing can be safely and stably obtained under the conditions of pressure and temperature, and the safety hidden danger caused by sample splashing is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical schemes in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following description are only some embodiments of the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] In the drawings:

[0018] 1, locking nut, 2, plugging, 3, shell, 4, sealing rubber ring, 5, screw plug, 6, oil outlet pipe, 7, oil delivery pipe. DETAILED DESCRIPTION

[0019] The technical schemes in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] In order to achieve the above object, the utility model provides the following technical scheme, as shown in a kind of sampler for scraper flowmeter, comprising: plugging 2, shell 3, oil outlet pipe 6 and oil delivery pipe 7; Figure 1

[0021] ​The shell 3 is fixed on the scraper flowmeter as the main body support structure of the sampler; the shell 3 is internally provided with a hollow structure for accommodating the plug 2; the upper end of the oil delivery pipe 7 is connected with the lower end of the shell 3, and the lower end of the oil delivery pipe 7 is directly inserted into the flowmeter; the oil delivery pipe 7 is used for delivering the medium oil in the flowmeter to the inside of the sampler.

[0022] The oil outlet pipe 6 is a tubular structure, which is welded on the side of the shell 3 and connected with the inside of the shell 3; and is used for discharging the obtained test sample.

[0023] The plug 2 is sleeved in the shell 3, the upper end of the plug 2 is a quadrangular structure, the middle part of the plug 2 is in the form of a stepped shaft, the middle part of the plug 2 is sleeved in the shell 3, the lower part has a tapered pointed bottom, and the inside of the shell 3 is correspondingly provided with a pressing part matched with the tapered pointed bottom; the plug 2 is opened and closed by cooperating with the shell 3. When the test sample is not needed, the plug 2 is inserted into the inside of the shell 3, the tapered pointed bottom is pressed on the pressing part in the inside of the shell 3, and the sealing effect is achieved to prevent the medium oil from leaking; when sampling is needed, the plug 2 is lifted upward, the medium oil enters the inside of the sampler, and flows out from the oil outlet pipe 6.

[0024] Further, the middle part of the plug 2 is provided with a sealing rubber ring 4, which is installed in the groove of the plug 2 between the plug 2 and the shell 3; the middle part of the plug 2 is sealed and connected with the inside of the shell 3 through the sealing rubber ring 4, the sealing rubber ring 4 is used to enhance the sealing performance between the plug 2 and the shell 3, and prevent the medium oil from overflowing from the connection between the plug 2 and the shell 3.

[0025] Further, the upper end of the plug 2 is a quadrangular structure, which is convenient for clamping with a wrench; the plug 2 is clamped and lifted upward by the wrench to perform the sampling work.

[0026] Further, the end of the oil outlet pipe 6 is provided with a screw plug 5; the screw plug 5 is threadedly connected with the oil outlet pipe 6; the screw plug 5 keeps the oil outlet pipe 6 sealed when the sampling is not needed, and prevents the medium oil from leaking.

[0027] Further, it further includes a locking nut 1, which is threadedly connected with the upper end of the shell 3; the outer circumference of the locking nut 1 is provided with external threads, the middle part of the locking nut 1 is provided with a through hole, the inner diameter of the through hole is greater than the outer diameter of the quadrangular structure of the upper end of the plug 2, and the inner diameter of the through hole is smaller than the outer diameter of the stepped shaft part of the plug 2; in use, the locking nut 1 is screwed downward, and the locking nut 1 plays a role in fixing and pressing the plug 2.

[0028] The working principle and process are as follows:

[0029] The shell 3 is welded on the cover plate of the scraper flowmeter, and the lower end of the oil delivery pipe 7 is directly inserted into the scraper flowmeter. When the sample is needed, the plug 5 is removed, the locking nut 1 is removed first, then the four cubes above the sealing plug 2 are clamped by a wrench, the sealing plug 2 is lifted upward, the conical pointed bottom is separated from the pressing part, and the medium oil enters the shell 3 of the sampler, so that the test sample can be taken. At the same time, during the sampling process, the sealing rubber ring 4 effectively prevents the medium oil from overflowing from the top. Reverse operation, that is, the sealing plug 2 is pressed downward to make the conical pointed bottom at the lower part of the sealing plug 2 press on the pressing part inside the shell 3, so that the sealing plug 2 can be resealed to ensure the sealing of the flowmeter.

[0030] Embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A sampler for a scraper flowmeter, characterized in that: include: The plug (2), the housing (3), the oil outlet pipe (6) and the oil delivery pipe (7); A hollow structure for accommodating the plug (2) is provided inside the housing (3); the upper end of the oil delivery pipe (7) is connected to the lower end of the housing (3), and the lower end of the oil delivery pipe (7) is connected to the scraper flow meter; the oil delivery pipe (7) is used to deliver the medium oil in the scraper flow meter to the inside of the sampler; The oil outlet pipe (6) is welded to the side of the housing (3) and communicates with the interior of the housing (3); The upper end of the plug (2) exceeds the top end of the shell (3) and extends upward. The middle part of the plug (2) is a stepped shaft structure. The middle part of the plug (2) is mounted inside the shell (3). The lower part of the plug (2) has a conical pointed bottom. The shell (3) is provided with a pressing part that matches the conical pointed bottom.

2. The sampler for scraper flowmeter according to claim 1, characterized in that: A sealing rubber ring (4) is provided in the middle of the plug (2), and the sealing rubber ring (4) is installed in a groove opened in the middle of the plug (2); the middle of the plug (2) is sealed and connected to the inside of the shell (3) through the sealing rubber ring (4), and the sealing rubber ring (4) is used to enhance the sealing performance between the plug (2) and the shell (3) and prevent the medium oil from overflowing from the connection between the plug (2) and the shell (3).

3. The sampler for scraper flowmeter according to claim 1, characterized in that: The upper end of the plug (2) is a square structure and is used to be clamped by a wrench and lifted upwards during sampling.

4. The sampler for scraper flowmeter according to claim 1, characterized in that: The end of the oil outlet pipe (6) is provided with a screw plug (5); the screw plug (5) is threadedly connected to the oil outlet pipe (6); the screw plug (5) is used to keep the oil outlet pipe (6) sealed when sampling is not required to prevent medium oil leakage.

5. The sampler for scraper flowmeter according to claim 1, characterized in that: It also includes a locking nut (1), which is connected to the upper end of the housing (3) through a thread; the outer circumference of the locking nut (1) is provided with an external thread, and the middle of the locking nut (1) is provided with a through hole.

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