CN220603022U

CN220603022U - Liquid material sampler

Info

Publication number: CN220603022U
Application number: CN202322178793.3U
Authority: CN
Inventors: 张敬丰
Original assignee: Luoyang Zetian Petrochemical Fittings Co ltd
Current assignee: Luoyang Zetian Petrochemical Fittings Co ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-03-15
Anticipated expiration: 2033-08-14

Abstract

The utility model relates to the technical field of chemical pipeline sampling equipment, in particular to a liquid material sampler, which comprises a main pipeline and a sampling assembly connected with the main pipeline, wherein the sampling assembly comprises a first connecting pipe communicated with the inside of the main pipeline, one end of the first connecting pipe far away from the main pipeline is connected with a second connecting pipe through a flange, one end of the second connecting pipe far away from the first connecting pipe is provided with a root exhaust valve, one end of the root exhaust valve far away from the second connecting pipe is provided with a third connecting pipe, and the outer surface of the third connecting pipe is provided with a sampling pipe. The utility model has the advantages that: through setting up the sampling component, can utilize the dog to carry out the shutoff to the opening of first connecting pipe when having reached the sample, then open root discharge valve and exhaust, then open the sampling valve and make liquid follow sampling tube discharge to effectively avoid liquid spill, the security when improving equipment use.

Description

Liquid material sampler

Technical Field

The utility model relates to the technical field of chemical pipeline sampling equipment, in particular to a liquid material sampler.

Background

Chemical pipelines refer to pipeline systems for transporting chemical substances, and are generally made of corrosion-resistant, high-temperature-resistant and pressure-resistant materials, such as stainless steel, carbon steel or plastics, and the chemical pipelines are widely applied to industries such as petroleum, chemical industry, pharmacy and food processing and are used for transporting liquid, gas and solid materials.

The existing chemical pipeline liquid material sampling equipment, such as a tank truck sampling device disclosed in China patent CN206920163U, is characterized in that when sampling is carried out, a connector is connected with a loading and unloading port of the tank truck or a chemical pipeline, then a valve on one side of the loading and unloading port of the tank truck or the chemical pipeline is opened, a clean sampling bottle is taken to be aligned with a sampler, then a sampling valve is slowly opened for sampling, and after sampling is finished, the sampling valve and the valve on one side of the loading and unloading port of the tank truck or the valve on one side of the chemical pipeline are closed, so that redundant materials in the sampler are recovered.

But compared with the prior art in the related art, the chemical pipeline is in a high-pressure state in the process of conveying liquid, so that the valve of the loading and unloading port of the slotted tank car or the valve material on one side of the chemical pipeline is directly sprayed out, the risk of material splashing still exists, the safety of workers is a huge threat, and serious potential safety hazards exist.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

The utility model aims to overcome the defects of the prior art, solve the problems in the background art and provide a liquid material sampler.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a liquid material sampler, includes the trunk line and with the sampling component that the trunk line is connected, the sampling component include with the inside first connecting pipe that is linked together of trunk line, first connecting pipe is kept away from the one end of trunk line is through flange joint has the second connecting pipe, the second connecting pipe is kept away from root discharge valve is installed to the one end of first connecting pipe, root discharge valve is kept away from the one end of second connecting pipe is installed the third connecting pipe, the surface mounting of third connecting pipe has the sampling tube, the sampling valve is installed to the tip of sampling tube, the inside threaded connection of third connecting pipe has the piston rod, the piston rod is located the inside one end fixedly connected with dog of trunk line, the one end fixed mounting of piston rod has the hand wheel.

Preferably, the piston rod comprises a small-diameter rod and a large-diameter rod, and one end of the large-diameter rod, which is close to the small-diameter rod, is provided with a chamfer.

By adopting the technical scheme, the composition of the piston rod is introduced.

Preferably, the first connecting pipe and the second connecting pipe are provided with first movable holes matched with the first movable holes at positions corresponding to the small-diameter rods, and the stop block is connected with the small-diameter rods.

Through adopting above-mentioned technical scheme, can let liquid get into inside first connecting pipe and the second connecting pipe through first movable hole to take a sample liquid.

Preferably, a second movable hole which is matched with the third connecting pipe in a similar way is formed in the position, corresponding to the large-diameter rod, of the third connecting pipe, and a conical surface is arranged in the position, corresponding to the chamfer angle, of the second movable hole.

Through adopting above-mentioned technical scheme, utilize the chamfer and the conical surface cooperation of major diameter pole, can reach the sealed effect of one-level.

Preferably, a first sealing ring and a second sealing ring are fixedly arranged in the second movable hole, the first sealing ring and the second sealing ring are respectively arranged on the front side and the rear side of the sampling tube, and the first sealing ring and the second sealing ring are matched with the large-diameter rod.

By adopting the technical scheme, the second-stage sealing can be achieved by utilizing the first sealing ring.

Preferably, a thread sleeve is installed at one end of the third connecting pipe, which is close to the hand wheel, and threads matched with the thread sleeve are arranged at the position of the piston rod, which corresponds to the thread sleeve.

By adopting the technical scheme, how the piston rod is in threaded connection with the third connecting pipe is introduced, so that the piston rod can be controlled to slide by rotating the hand wheel.

Compared with the prior art, the utility model has the following advantages:

this liquid material sampler through setting up the sampling component, can utilize the dog to seal the opening of first connecting pipe when having reached the sample, then open root discharge valve and exhaust, then open the sampling valve and make liquid follow sampling tube discharge to effectively avoid liquid to receive high pressure spill, the security when improving equipment use, and utilize the chamfer and the conical surface cooperation of major diameter pole, can reach one-level sealed effect, utilize major diameter pole and first sealing washer cooperation can reach the second grade and seal, thereby effectively ensure the sealed effect when not taking a sample.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

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

FIG. 2 is a schematic diagram showing the state before sampling according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic diagram showing the state of the sampling according to the present utility model;

fig. 5 is a schematic diagram of the state of the utility model in the exhaust.

In the figure: 1. a main pipe; 2. a sampling assembly; 201. a first connection pipe; 202. a second connection pipe; 203. a root exhaust valve; 204. a third connection pipe; 2041. a thread sleeve; 205. a sampling tube; 206. a sampling valve; 207. a piston rod; 2071. a small diameter rod; 2072. a large diameter rod; 2073. a first seal ring; 208. a stop block; 209. a hand wheel; 3. a first movable hole; 4. a second movable hole; 401. a conical surface; 402. and a second sealing ring.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Additional aspects and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

As shown in fig. 1 to 5, a liquid material sampler comprises a main pipe 1 and a sampling assembly 2 connected with the main pipe 1, the sampling assembly 2 comprises a first connecting pipe 201 communicated with the inside of the main pipe 1, one end of the first connecting pipe 201 far away from the main pipe 1 is connected with a second connecting pipe 202 through a flange, one end of the second connecting pipe 202 far away from the first connecting pipe 201 is provided with a root exhaust valve 203, one end of the root exhaust valve 203 far away from the second connecting pipe 202 is provided with a third connecting pipe 204, the outer surface of the third connecting pipe 204 is provided with a sampling pipe 205, the end of the sampling pipe 205 is provided with a sampling valve 206, the inner thread of the third connecting pipe 204 is connected with a piston rod 207, the piston rod 207 comprises a small diameter rod 2071 and a large diameter rod 2072, one end of the large diameter rod 2072 near the small diameter rod 2071 is provided with a chamfer, the positions of the first connecting pipe 201 and the second connecting pipe 202 corresponding to the small diameter rod 2071 are provided with a first movable hole 3 matched with the same, the third connecting pipe 204 is provided with a second movable hole 4 which is matched with the second movable hole 4 in a similar way at the position corresponding to the large-diameter rod 2072, the position of the second movable hole 4 corresponding to the chamfer is provided with a conical surface 401, the inside of the second movable hole 4 is fixedly provided with a first sealing ring 2073 and a second sealing ring 402, the first sealing ring 2073 and the second sealing ring 402 are respectively arranged at the front side and the rear side of the sampling pipe 205, the first sealing ring 2073 and the second sealing ring 402 are matched with the large-diameter rod 2072, the chamfer of the large-diameter rod 2072 is matched with the conical surface 401 to achieve a primary sealing effect, the large-diameter rod 2072 is matched with the first sealing ring 2073 to achieve a secondary sealing effect, one end of the piston rod 207 positioned in the main pipe 1 is fixedly connected with a stop 208, the stop 208 is connected with the small-diameter rod 2071, one end of the piston rod 207 is fixedly provided with a hand wheel 209, a threaded sleeve 2041 is installed at one end of the third connecting pipe 204 near the hand wheel 209, and threads matched with the threaded sleeve 2041 are arranged at the position of the piston rod 207 corresponding to the threaded sleeve 2041.

The working process of the utility model is as follows:

s1, during sampling, liquid in the main pipeline 1 can enter the first movable holes 3 of the first connecting pipe 201 and the second connecting pipe 202 through the outer edge of the small-diameter rod 2071;

s2, the piston rod 207 is rotated through the hand wheel 209, and then the piston rod 207 drives the stop block 208 to slide by utilizing the cooperation of the threads and the thread sleeve 2041, so that the opening of the first connecting pipe 201 is blocked by utilizing the stop block 208;

s3, after the opening of the first connecting pipe 201 is plugged, the outer surface of the large-diameter rod 2072 is not bonded with the inner wall of the first sealing ring 2073, and then liquid in the first connecting pipe 201 and the second connecting pipe 202 can enter the third connecting pipe 204;

s4, during liquid drainage, the root exhaust valve 203 is opened to exhaust, and then the sampling valve 206 is opened to enable liquid to be discharged from the sampling pipe 205, so that sampling work is completed;

s5, after sampling is finished, the root exhaust valve 203 and the sampling valve 206 are closed, and then the hand wheel 209 is rotated to push the piston rod 207, so that a primary sealing effect can be achieved by matching the chamfer of the large-diameter rod 2072 with the conical surface 401, and a secondary sealing effect can be achieved by matching the large-diameter rod 2072 with the first sealing ring 2073.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A liquid material sampler, characterized in that: including trunk line (1) and with sampling subassembly (2) that trunk line (1) is connected, sampling subassembly (2) include with inside first connecting pipe (201) that are linked together of trunk line (1), first connecting pipe (201) are kept away from the one end of trunk line (1) is through flange joint has second connecting pipe (202), second connecting pipe (202) are kept away from root discharge valve (203) are installed to the one end of first connecting pipe (201), root discharge valve (203) are kept away from third connecting pipe (204) are installed to the one end of second connecting pipe (202), sampling pipe (205) are installed to the surface of third connecting pipe (204), sampling valve (206) are installed to the tip of sampling pipe (205), the inside threaded connection of third connecting pipe (204) has piston rod (207), piston rod (207) are located the inside one end fixedly connected with dog (208) of trunk line (1), the one end fixed mounting of piston rod (207) has hand wheel (209).

2. A liquid material sampler as claimed in claim 1 wherein: the piston rod (207) comprises a small-diameter rod (2071) and a large-diameter rod (2072), and one end of the large-diameter rod (2072) close to the small-diameter rod (2071) is provided with a chamfer.

3. A liquid material sampler according to claim 2 wherein: the first connecting pipe (201) and the second connecting pipe (202) are respectively provided with a first movable hole (3) which is matched with the first connecting pipe and the second connecting pipe at the positions corresponding to the small-diameter rod (2071), and the stop block (208) is connected with the small-diameter rod (2071).

4. A liquid material sampler according to claim 2 wherein: the third connecting pipe (204) is provided with a second movable hole (4) which is matched with the large-diameter rod (2072) at a position corresponding to the large-diameter rod, and a conical surface (401) is arranged at a position corresponding to the chamfer of the second movable hole (4).

5. A liquid material sampler as claimed in claim 4 wherein: the inside of second movable hole (4) is fixed and is equipped with first sealing washer (2073) and second sealing washer (402), first sealing washer (2073) with second sealing washer (402) set up respectively in the front and back both sides of sampling tube (205), first sealing washer (2073) with second sealing washer (402) all with major diameter pole (2072) cooperate.

6. A liquid material sampler as claimed in claim 1 wherein: and a thread sleeve (2041) is arranged at one end of the third connecting pipe (204) close to the hand wheel (209), and threads matched with the thread sleeve (2041) are arranged at the position of the piston rod (207) corresponding to the thread sleeve.