CN215172395U - Plunger sampling valve - Google Patents
Plunger sampling valve Download PDFInfo
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- CN215172395U CN215172395U CN202121586836.6U CN202121586836U CN215172395U CN 215172395 U CN215172395 U CN 215172395U CN 202121586836 U CN202121586836 U CN 202121586836U CN 215172395 U CN215172395 U CN 215172395U
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- valve body
- sampling
- plunger
- gag lever
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Abstract
The utility model discloses a plunger sample valve relates to the technical field of valve, exactly relates to a plunger sample valve, including valve body, gag lever post, hand wheel, screw rod and sampling tube, in the gag lever post was located the valve body with the screw rod, the hand wheel was connected with the screw rod, and the screw rod is connected with the gag lever post, the inside runner that is equipped with of valve body, the sampling tube sets up on the valve body, and the runner in sampling tube and the valve body is linked together, the valve body is stretched out to the lower extreme of gag lever post, is provided with O type sealing washer with the valve body juncture on the gag lever post, solves present plunger sample valve in the use, has impurity to get into the valve entrance point, can block up the problem of runner, especially when being used for pipeline or the equipment sample that sulfur content is high, has sulfur to appear because of the place that sulfur content is high, and general structure can let the sulfur that appears block up the problem of sampling runner.
Description
Technical Field
The utility model relates to a technical field of valve exactly relates to a plunger sample valve.
Background
The sampling valve is a valve for obtaining a medium sample in a pipeline or equipment, and in many occasions where the medium sample needs to be frequently subjected to chemical analysis, a special sampling valve is frequently used, and the sampling valve is a device widely used for extracting a fluid sample and generally comprises a valve body, a valve seat, a driving mechanism, a starting and closing piece and the like. The sampler utilizes the working principle of a valve, and when sampling, the opening and closing piece is opened through the driving mechanism, so that fluid enters the sample container; and closing the opening and closing piece after sampling is finished. The plunger sampling valve consists of valve body, valve cover, valve rod, plunger, hand wheel and other parts. When the handle rotates, the valve rod drives the plunger piston to reciprocate up and down in the middle of the hole frame to complete the opening and closing functions of the valve.
There is impurity entering valve entrance point when present sample valve uses, blocks up the problem of pipeline, especially blocks up when pipeline or the equipment sample that sulphur content is high, has sulphur to appear because of the place that sulphur content is high, and general structure can let the sulphur that appears block up the sample runner, and the sample resistance is too big during the sample simultaneously, is not convenient for sample.
In the prior art, there is a chinese utility model patent document with an authorization publication number CN2427804 and an authorization publication date of 2001, 4 and 25 to solve the above technical problems, and the patent document discloses the following technical solutions:
the plunger type intubation tube sampling valve has valve rod set inside the valve body, connecting flange with stuffing and gland, inclined tube set on the lower valve body, intubation tube set inside the inclined tube and heat conducting jacket set on the valve body; the material that adopts this sample valve to take out becomes thin columnar and easily crushes, and the valve is difficult for blockking up to change the intubate when can reproducing normal operation, structural design is reasonable, and it is easy to make.
Above-mentioned comparison file sample valve passes through the pipe chute and establishes under on the valve body, and the intubate is established the material that the pipe chute was established and is made the thin cylindricality of taking out and easily smash, and the valve is difficult for blockking up, but there is impurity entering valve entrance point when present sample valve is used not solved to the above-mentioned problem, blocks up the problem of pipeline for when pipeline or the equipment sample that sulfur content is high, has the sulphur to appear because of the place that sulfur content is high, and general structure can let the sulphur that appears block up the problem of sample runner.
Disclosure of Invention
The utility model aims to provide a plunger sampling valve aiming at the defects and shortcomings of the prior art,
the utility model discloses a realize through adopting following technical scheme:
the utility model provides a plunger sample valve, includes valve body, gag lever post, hand wheel, screw rod and sampling tube, in the valve body was located with the screw rod to the gag lever post, the hand wheel was connected with the screw rod, and the screw rod is connected with the gag lever post, the inside runner that is equipped with of valve body, the sampling tube sets up on the valve body, and the runner in sampling tube and the valve body is linked together, the valve body is stretched out to the lower extreme of gag lever post, is provided with O type sealing washer with the valve body juncture on the gag lever post.
Furthermore, the central line of the sampling tube and the central line of the flow passage form an angle of 60 degrees.
Further, the stopper rod is cylindrical.
Further, the part of the plug rod extending out of the valve body is hemispherical.
Furthermore, a valve cage is arranged in the valve body and is positioned in the middle of the flow channel.
Furthermore, sealing packing is arranged on the left side and the right side of the valve cage.
Furthermore, a packing pressing sleeve is arranged on the right side of the sealing packing arranged on the right side of the valve column.
Furthermore, a pressing plate is arranged on the right side of the packing pressing sleeve.
Furthermore, the upper part of the valve body is provided with a screw which passes through the upper part of the valve body to be contacted with the valve cage.
Furthermore, a sealing gasket is arranged at the joint of the screw and the valve body.
The utility model discloses the beneficial effect who reaches as follows:
1. the utility model discloses in, the valve body is stretched out to the lower extreme of cock stem, and main effect does not let when the sample valve closes, has impurity entering valve entrance point, prevents to block up, when especially being used for the high pipeline of sulphur content or equipment sample, has sulphur to appear because of the place that the sulphur content is high, and general structure can let the sulphur that appears block up the sample runner.
2. The utility model discloses in, be provided with O type sealing washer with valve body juncture on the cock stem, increase the leakproofness of valve entrance point, strengthen the protection to the valve entrance point, improve the leakproofness of runner simultaneously.
3. The utility model discloses in, the sample connection central line is 60 degrees angles with the import central line, and the resistance is little when guaranteeing the sample, and the sample of being convenient for is convenient for simultaneously the installation, can not take place to interfere with the valve body.
4. The utility model discloses in, the part that the cock stem stretches out the valve body is the hemisphere, reduces the scouring force that the part that the cock stem stretches out the valve body received, increases the cock stem and relies on the scouring ability, extension cock stem life.
5. The utility model discloses in, be provided with the valve cage in the valve body, the valve cage is located the middle part and the cock stem cooperation of runner.
6. The utility model discloses in, the valve cage left side is provided with the leakproofness that the plunger sample valve was guaranteed to the packings with the right side.
7. The utility model discloses in, the right side of setting up the sealing filler on valve post right side is provided with the packing and presses the cover, and the right side of packing and pressing the cover is provided with the clamp plate and guarantees that the sealing filler does not reveal.
8. The utility model discloses in, valve body upper portion is provided with the screw, and the screw passes valve body upper portion and valve cage contact, consolidates the valve cage, makes the valve cage position more firm.
9. Furthermore, a sealing gasket is arranged at the joint of the screw and the valve body to ensure the sealing performance of the plunger sampling valve.
Drawings
The invention will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:
fig. 1 is a schematic view of the overall arrangement of the present invention.
The labels in the figure are:
1. the valve comprises a valve body, 2 parts of sealing filler, 3 parts of a valve cage, 4 parts of a sealing gasket, 5 parts of a screw, 6 parts of a plug rod, 7 parts of a filler pressing sleeve, 8 parts of a pressing plate, 9 parts of a screw rod, 10 parts of a hand wheel, 11 parts of an O-shaped sealing ring.
Detailed Description
Example 1
As a preferred embodiment of the utility model, the utility model comprises a valve body 1, a plug rod 6, a hand wheel 10, a screw rod 9 and a sampling tube, wherein the plug rod 6 and the screw rod 9 are arranged in the valve body 1, the hand wheel 10 is connected with the screw rod 9, the screw rod 9 is connected with the plug rod 6, a flow channel is arranged inside the valve body 1, the sampling tube is arranged on the valve body 1 and is communicated with the flow channel in the valve body 1, the lower end of the plug rod 6 extends out of the valve body 1, an O-shaped sealing ring 11 is arranged at the junction of the plug rod and the valve body, when the sampling valve is closed, impurities are not allowed to enter the inlet end of the valve to prevent blockage, especially when being used for sampling pipelines or equipment with high sulfur content, sulfur separated out can block the sampling flow channel due to the fact that the sulfur is separated out in places with high sulfur content, a valve cage 3 is arranged in the valve body 1, the valve cage 3 is positioned in the middle of the flow channel, sealing filler 2 is arranged at the left side and the right side of the valve cage 3, guarantee plunger sample valve's leakproofness, the right side of setting up the gland packing 2 on valve column right side is provided with packs and presses cover 7, the right side of packing and pressing cover 7 is provided with clamp plate 8, guarantees that gland packing 2 does not reveal, 1 upper portion of valve body is provided with screw 5, and screw 5 passes 1 upper portion of valve body and the contact of valve cage 3, consolidates valve cage 3, makes valve cage 3 position more firm, screw 5 is provided with the leakproofness of sealed 4 assurance plunger sample valves of filling up with the junction of valve body 1.
Example 2
As the best mode of the utility model, referring to the attached figure 1 of the specification, the utility model comprises a valve body 1, a plug rod 6, a hand wheel 10, a screw rod 9 and a sampling tube, wherein the plug rod 6 and the screw rod 9 are arranged in the valve body 1, the hand wheel 10 is connected with the screw rod 9, the screw rod 9 is connected with the plug rod 6, a flow passage is arranged in the valve body 1, the sampling tube is arranged on the valve body 1 and is communicated with the flow passage in the valve body 1, the lower end of the plug rod 6 extends out of the valve body 1, an O-shaped sealing ring 11 is arranged at the junction of the plug rod and the valve body, when the sampling valve is closed, no impurities enter the inlet end of the valve to prevent blockage, especially when the sampling valve is used for sampling a pipeline or equipment with high sulfur content, sulfur can be separated out in a place with high sulfur content, the separated sulfur can block the sampling flow passage by a general structure, the central line of the sampling tube and the central line of the flow passage form an angle of 60 degrees, thereby ensuring that the resistance is small when sampling, be convenient for sample, the installation of being convenient for simultaneously, can not take place to interfere with valve body 1, cock stem 6 is cylindricly, the part that cock stem 6 stretches out valve body 1 is the hemisphere, be provided with valve cage 3 in the valve body 1, valve cage 3 is located the middle part of runner, valve cage 3 left side and right side are provided with gland packing 2, guarantee plunger sample valve's leakproofness, the right side of setting up gland packing 2 on valve post right side is provided with packs and presses cover 7, the right side of packing and pressing cover 7 is provided with clamp plate 8, guarantees that gland packing 2 does not reveal, 1 upper portion of valve body is provided with screw 5, and screw 5 passes 1 upper portion of valve body and contacts with valve cage 3, consolidates valve cage 3, makes valve cage 3 locate the position more firm, screw 5 is provided with sealed 4 sealings of guaranteeing plunger sample valve of filling up with the department of valve body 1.
Example 3
As another preferred embodiment of the utility model, the utility model comprises a valve body 1, a plug rod 6, a hand wheel 10, a screw rod 9 and a sampling tube, wherein the plug rod 6 and the screw rod 9 are arranged in the valve body 1, the hand wheel 10 is connected with the screw rod 9, the screw rod 9 is connected with the plug rod 6, a flow channel is arranged inside the valve body 1, the sampling tube is arranged on the valve body 1 and is communicated with the flow channel in the valve body 1, the lower end of the plug rod 6 extends out of the valve body 1, an O-shaped sealing ring 11 is arranged at the junction of the plug rod and the valve body, when the sampling valve is closed, impurities are not allowed to enter the inlet end of the valve to prevent blockage, especially when being used for sampling a pipeline or equipment with high sulfur content, sulfur can be separated out due to the high sulfur content, the separated sulfur can block the sampling flow channel by a general structure, the central line of the sampling tube and the central line of the flow channel form an angle of 60 degrees, so as to ensure that the resistance is small when sampling, be convenient for the sample, be convenient for simultaneously the installation, can not take place to interfere with valve body 1, be provided with valve cage 3 in the valve body 1, valve cage 3 is located the middle part of runner, valve cage 3 left side and right side are provided with sealing filler 2, guarantee the leakproofness of plunger sample valve, the right side of setting at the sealing filler 2 on valve post right side is provided with packs and presses cover 7, the right side that packs and press cover 7 is provided with clamp plate 8, guarantees that sealing filler 2 does not reveal, 1 upper portion of valve body is provided with screw 5, and screw 5 passes 1 upper portion of valve body and the contact of valve cage 3, consolidates valve cage 3, makes valve cage 3 locate the position more firm.
Example 4
As another preferred embodiment of the utility model, the utility model discloses a valve body 1, gag lever post 6, hand wheel 10, screw rod 9 and sampling tube, gag lever post 6 is located in valve body 1 with screw rod 9, and hand wheel 10 is connected with screw rod 9, and screw rod 9 is connected with gag lever post 6, 1 inside runners that are equipped with of valve body, sampling tube set up on valve body 1, and the runner in sampling tube and the valve body 1 is linked together, valve body 1 is stretched out to the lower extreme of gag lever post 6, is provided with O type sealing washer 11 with the valve body juncture on the gag lever post, and when the sampling valve was closed, it has impurity to get into the valve entrance point, prevents to block up, especially when being used for the high pipeline of sulphur content or the equipment sample, has sulphur to appear because of the place that the sulphur content is high, and general structure can let the sulphur that appears block up the sampling runner, the part that gag lever post 6 stretches out valve body 1 is the hemisphere.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A plunger sampling valve, characterized by: including valve body (1), gag lever post (6), hand wheel (10), screw rod (9) and sampling tube, in valve body (1) was located with screw rod (9) in gag lever post (6), hand wheel (10) were connected with screw rod (9), and screw rod (9) are connected with gag lever post (6), the inside runner that is equipped with of valve body (1), sampling tube set up on valve body (1), and the runner in sampling tube and valve body (1) is linked together, valve body (1) is stretched out to the lower extreme of gag lever post (6), is provided with O type sealing washer (11) with valve body juncture on the gag lever post.
2. A plunger sampling valve according to claim 1, wherein: the central line of the sampling tube and the central line of the flow passage form an angle of 60 degrees.
3. A plunger sampling valve according to claim 1, wherein: the plug rod (6) is cylindrical.
4. A plunger sampling valve according to claim 1, wherein: the part of the plug rod (6) extending out of the valve body (1) is hemispherical.
5. A plunger sampling valve according to claim 1, wherein: a valve cage (3) is arranged in the valve body (1), and the valve cage (3) is arranged in the middle of the flow channel.
6. The plunger sampling valve of claim 5, wherein: and sealing packing (2) is arranged on the left side and the right side of the valve cage (3).
7. The plunger sampling valve of claim 6, wherein: and a packing pressing sleeve (7) is arranged on the right side of the sealing packing (2) arranged on the right side of the valve column.
8. The plunger sampling valve of claim 7, wherein: and a pressing plate (8) is arranged on the right side of the packing pressing sleeve (7).
9. The plunger sampling valve of claim 5, wherein: the upper portion of the valve body (1) is provided with a screw (5), and the screw (5) penetrates through the upper portion of the valve body (1) to be in contact with the valve cage (3).
10. A plunger sampling valve according to claim 9, wherein: and a sealing gasket (4) is arranged at the joint of the screw (5) and the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121586836.6U CN215172395U (en) | 2021-07-13 | 2021-07-13 | Plunger sampling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121586836.6U CN215172395U (en) | 2021-07-13 | 2021-07-13 | Plunger sampling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215172395U true CN215172395U (en) | 2021-12-14 |
Family
ID=79394309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121586836.6U Active CN215172395U (en) | 2021-07-13 | 2021-07-13 | Plunger sampling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215172395U (en) |
-
2021
- 2021-07-13 CN CN202121586836.6U patent/CN215172395U/en active Active
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