CN209875980U - On-line sampling valve - Google Patents
On-line sampling valve Download PDFInfo
- Publication number
- CN209875980U CN209875980U CN201920144782.4U CN201920144782U CN209875980U CN 209875980 U CN209875980 U CN 209875980U CN 201920144782 U CN201920144782 U CN 201920144782U CN 209875980 U CN209875980 U CN 209875980U
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- China
- Prior art keywords
- valve
- sampling
- seat
- valve rod
- rod
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- Expired - Fee Related
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Abstract
The utility model discloses an online sampling valve, which comprises a valve body, wherein a central hole is arranged in the center of the valve body in the vertical direction, and the central hole at the lower part of the valve body is connected with a sampler main body mechanism; the valve body is provided with a valve cover, a central hole at the upper part of the valve body is connected with the valve cover, a sampling bottle is arranged in the valve cover, a valve seat is arranged on the valve cover, and the lower end of the valve seat is hermetically connected with the sampling bottle in the valve cover; a valve rod is arranged in a valve cavity of the valve body, the upper part and the lower part of the valve rod penetrate through the valve body, and the upper end of the valve rod is fixedly connected with a valve seat on the valve cover after penetrating through a valve cover on the valve body and a sampling bottle in the valve cover; the lower end of the valve rod is connected with a sampling needle which penetrates through the sampler main body mechanism and then is exposed. The on-line sampling valve provided by the utility model is arranged in the pipeline, so that the possibility of the residual medium flowing in the pipeline is saved; the operation of purging is also avoided; the medium can not leak in a fully-closed sampling manner; the valve is integrally forged, the service life is long, the design is reasonable, and the operation is simple, convenient, safe and reliable.
Description
Technical Field
The utility model relates to a sample valve, in the concretely relates to chemical industry process pipeline for the device of the liquid sample in the collection pipeline.
Background
The existing chemical pipelines are all closed sampling boxes or ordinary valves for sampling; the process flow of the closed sampling box is as follows: the box is designed like a small process system, and has valves, a pressure gauge, a plurality of pipelines, complex design, more accessories, complex control flow, inconvenient operation and stale sampling. And after sampling, the problems of cleaning, valve service life, pipeline leakage and the like need to be considered;
the on-line sampling of the common valve has more problems, and the influence of medium leakage on the environment protection of human bodies and the environment is avoided.
Disclosure of Invention
The utility model aims to provide a sampling device which can directly sample in a pipeline and save the possibility of residual medium flowing in the pipeline; the operation of purging is also avoided; and the sampling valve is fully sealed and can be used for sampling without any leakage of the medium.
In order to solve the technical problem, the technical scheme of the utility model is to provide an online sampling valve, which comprises a valve body, wherein a central hole is formed in the center of the valve body in the vertical direction, and the central hole in the lower part of the valve body is connected with a sampler main body mechanism; the valve body is characterized in that a sampling bottle is arranged in the valve cover, a valve seat is arranged on the valve cover, and the lower end of the valve seat is connected with the sampling bottle in the valve cover in a sealing manner; a valve rod is arranged in a valve cavity of the valve body, the valve rod vertically penetrates through the valve body, and the upper end of the valve rod is fixedly connected with a valve seat on the valve cover after penetrating through a valve cover on the valve body and a sampling bottle in the valve cover; the lower end of the valve rod is connected with a sampling needle which penetrates through the sampler main body mechanism and then is exposed; through upwards promoting the disk seat, when the transmission was upwards with the fixed valve rod of disk seat, the medium flowed into the sampling bottle through the sampling needle that the valve rod lower extreme is connected.
Preferably, sealing gaskets are arranged between the spring limiting mechanism and the valve cover, between the valve cover and the valve body, and between the valve body and the sampler main body mechanism.
Preferably, a reset mechanism is arranged above the valve seat, the reset mechanism is fixed on the valve cover, and the valve rod extends upwards to penetrate into the reset mechanism and is connected with the reset mechanism; through upwards promoting the disk seat, when the transmission valve stem was upwards, the medium flowed into the sample bottle through the sampling needle that the valve stem lower extreme is connected, and when putting down the disk seat, canceling release mechanical system reset the valve stem together with the disk seat downwards, sealed with the sample bottle.
Preferably, the valve cover is connected with a resetting mechanism through a fixed bracket.
Preferably, the reset mechanism comprises a reset spring, and the valve rod penetrates into the reset spring and is connected with the reset spring; when force is applied, the valve seat upwards drives the valve rod to upwards extrude the reset spring, the reset spring resets when no force is applied, the valve rod and the valve seat reset, and the sampling bottle is sealed.
Preferably, a limiting block fixed at the upper end of the valve seat is arranged between the reset mechanism and the penetrated valve body, when force is applied upwards, the valve rod compresses the reset spring through the limiting block, the reset spring resets the valve rod together with the valve seat downwards through the limiting block under the condition of no force application, and the sampling bottle is sealed.
Preferably, flanges for fixing in the pipeline are arranged on two sides of the valve body, and a prying mechanism connected with the valve seat is arranged on the front side of the valve body; by pressing down the prying mechanism, the valve seat is opened upwards and moves upwards together with the fixed valve rod, and a medium flows into the sampling bottle through a sampling needle connected with the lower end of the valve rod; the limiting block fixed on the valve seat also moves upwards to extrude the return spring, and when the prying mechanism is loosened, the return spring resets the valve rod together with the valve seat downwards through the limiting block to seal the sampling bottle.
Preferably, the prying mechanism comprises a prying rod connected with the valve seat and a wrench connected with the prying rod, and a gripping ball is arranged on the wrench, so that a user can grip the wrench conveniently.
Preferably, the sampling needle is a double-needle type, one needle is a sampling needle through which the medium flows in, the other needle is a gas discharge needle in the bottle, and the excess gas in the bottle is discharged through the gas discharge needle when the medium flows in.
Preferably, the sampler main body mechanism is fixed with a central hole at the lower part of the valve body through a screw, a sealing structure is connected below the sampler main body mechanism, and the lower end of the valve rod is connected with a sampling needle which penetrates through the sampler main body mechanism and the sealing structure and is exposed out of the lower end of the sealing structure.
The on-line sampling valve provided by the utility model is arranged in the pipeline, so that the possibility of the residual medium flowing in the pipeline is saved; the operation of purging is also avoided; the medium can not leak in a fully-closed sampling manner; the valve is integrally forged, the service life is long, the design is reasonable, and the operation is simple, convenient, safe and reliable.
Drawings
Fig. 1 is a schematic structural diagram of an online sampling valve provided by the present invention;
FIG. 2 is a cross-sectional view of the on-line sampling valve provided by the present invention;
FIG. 3 is a partial sectional view of the on-line sampling valve provided by the present invention;
the sequence numbers in the figure are:
1. a valve body; 2. a prying mechanism; 3. a sampler body portion; 4. a valve stem; 5. sampling a glass bottle; 6. a reset mechanism; 6-1, a return spring; 7. a valve cover; 8. a valve seat; 9. a limiting block; 10. and fixing the bracket.
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 3, for the utility model provides an online sampling valve, including a valve body 1, the center of the vertical direction of the valve body 1 is provided with a center hole, the center hole of the upper part of the valve body 1 is connected with a valve cover 7, a sampling bottle 5 is arranged in the valve cover 7, a valve seat 8 is arranged on the valve cover 7, and the lower end of the valve seat 8 is connected with the sampling bottle 5 in the valve cover 7 in a sealing manner; a resetting mechanism 6 is arranged above the valve seat 8, and the resetting mechanism 6 is fixed on the valve cover 7 through a fixing support 10; a valve rod 4 is arranged in a valve cavity of the valve body 1, the valve rod 4 vertically penetrates through the valve body 1, the upper end of the valve rod 4 penetrates through a valve cover 7 on the valve body 1, a sampling bottle 5 in the valve cover 7 and a valve seat 8 and is fixed in the valve seat 8, and extends upwards through a limiting block 9 fixed at the upper end of the valve seat 8, penetrates into a resetting mechanism 6 and is connected with a resetting spring 6-1 in the resetting mechanism 6 through the limiting block 9; the lower extreme of valve rod 4 is connected the sampling needle and is run through sampler main part mechanism 3, and sampler main part mechanism 3 is fixed through the centre bore of screw with 1 lower part of valve body, be connected with seal structure under the sampling main part mechanism 3, the lower extreme of valve rod 4 is connected the sampling needle and is run through sampler main part mechanism 3 and seal structure to expose from the seal structure lower extreme, prevent that the medium from leaking from bottom sampling needle department.
The flange for being used for fixing in the pipeline of the both sides of valve body 1, the front side of valve body 1 is equipped with the prying mechanism 2 of being connected with disk seat 8, prying mechanism 2 includes the pinch bar of being connected with disk seat 8 and the spanner of being connected with the pinch bar, be equipped with the gripping ball on the spanner, convenient to use person's gripping.
Sealing gaskets are arranged between the spring limiting mechanism 6 and the valve cover 7, between the valve cover 7 and the valve body 1, and between the valve body 1 and the sampler main body mechanism 3.
Furthermore, the sampling needle designs the double needle formula, and one needle is the sampling needle, and the medium flows in through this needle, and another needle is the gaseous exhaust needle in the bottle, passes through the interior unnecessary gas of exhaust needle exhaust bottle during the medium flows in, and the gas of gas vent exhaust accessible pipeline discharges and retrieves, can insert in the valve again.
When the sampling valve is used, a medium normally flows in from the inlet of the sampling valve, flows out from the outlet, and can be sampled when the valve cavity is filled with the medium; by pressing down the wrench, a prying rod connected with the wrench opens a valve seat 8 connected with the prying rod upwards, the prying rod moves upwards together with a fixed valve rod 4, a limiting block 9 fixed on the valve seat 8 also moves upwards to extrude a return spring 6-1, and a medium flows into a sampling bottle 5 through a sampling needle connected with the lower end of the valve rod 4; when the medium in the bottle is filled in the sampling and the wrench is released, the return spring 6-1 rebounds and returns the valve rod 4 together with the valve seat 8 through the limiting block 9, the sampling bottle 5 is sealed, and the sampling is completed.
The on-line sampling valve provided by the utility model is arranged in the pipeline, so that the possibility of the residual medium flowing in the pipeline is saved; the operation of purging is also avoided; the medium can not leak in a fully-closed sampling manner; the valve is integrally forged, the service life is long, the design is reasonable, and the operation is simple, convenient, safe and reliable.
Claims (10)
1. The on-line sampling valve comprises a valve body (1), wherein a center hole is formed in the center of the valve body (1) in the vertical direction, and the center hole in the lower part of the valve body (1) is connected with a sampler main body mechanism (3); the valve is characterized in that a valve cover (7) is connected with a central hole in the upper part of the valve body (1), a sampling bottle (5) is arranged in the valve cover (7), a valve seat (8) is arranged on the valve cover (7), and the lower end of the valve seat (8) is connected with the sampling bottle (5) in the valve cover (7) in a sealing manner; a valve rod (4) is arranged in a valve cavity of the valve body (1), the valve rod (4) vertically penetrates through the valve body (1), and the upper end of the valve rod (4) is fixedly connected with a valve seat (8) on a valve cover (7) after penetrating through a valve cover (7) on the valve body (1) and a sampling bottle (5) in the valve cover (7); the lower end of the valve rod (4) is connected with a sampling needle which penetrates through the sampler main body mechanism (3) and then is exposed; by lifting the valve seat (8) upwards, when the valve rod (4) fixed with the valve seat (8) is driven to move upwards, the medium flows into the sampling bottle (5) through the sampling needle connected with the lower end of the valve rod (4).
2. The online sampling valve according to claim 1, characterized in that a reset mechanism (6) is arranged above the valve seat (8), the reset mechanism (6) is fixed on the valve cover (7), and the valve rod (4) extends upwards to penetrate the reset mechanism (6) and is connected with the reset mechanism (6); through upwards promoting disk seat (8), when transmission valve rod (4) upwards, the medium flows into in sampling bottle (5) through the sampling needle that valve rod (4) lower extreme is connected, when putting down disk seat (8), canceling release mechanical system (6) restore to the throne valve rod (4) together with disk seat (8) downwards, seal sampling bottle (5).
3. The on-line sampling valve of claim 2, characterized in that sealing gaskets are arranged between the resetting mechanism (6) and the valve cover (7), between the valve cover (7) and the valve body (1), and between the valve body (1) and the sampler main body mechanism (3).
4. The on-line sampling valve of claim 3, characterized in that the valve cover (7) is connected with a reset mechanism (6) through a fixed bracket (10).
5. The online sampling valve according to claim 4, characterized in that the return mechanism (6) comprises a return spring (6-1), the valve rod (4) penetrates into the return spring (6-1) and is connected with the return spring (6-1); when force is applied, the valve seat (8) drives the valve rod (4) upwards to extrude the reset spring (6-1), the reset spring (6-1) resets when no force is applied, the valve rod (4) and the valve seat (8) reset, and the sampling bottle (5) is sealed.
6. The online sampling valve according to claim 5, characterized in that a limit block (9) fixed at the upper end of the valve seat (8) is arranged between the reset mechanism (6) and the penetrated valve rod (4), when a force is applied upwards, the valve rod (4) compresses the reset spring (6-1) through the limit block (9), and when no force is applied, the reset spring (6-1) resets the valve rod (4) and the valve seat (8) downwards through the limit block (9), so that the sampling bottle (5) is sealed.
7. The online sampling valve according to claim 6, characterized in that, the valve body (1) is provided with flanges for fixing in a pipeline on two sides, and the valve body (1) is provided with a prying mechanism (2) connected with a valve seat (8) on the front side; by pressing down the prying mechanism (2), the valve seat (8) is opened upwards and moves upwards together with the fixed valve rod (4), and a medium flows into the sampling bottle (5) through a sampling needle connected with the lower end of the valve rod (4); and the limiting block (9) fixed on the valve seat (8) also moves upwards to extrude the return spring (6-1), and when the prying mechanism (2) is loosened, the return spring (6-1) downwards resets the valve rod (4) together with the valve seat (8) through the limiting block (9) to seal the sampling bottle (5).
8. The on-line sampling valve of claim 7, wherein the prying mechanism (2) comprises a pry bar connected with the valve seat (8) and a wrench connected with the pry bar, and the wrench is provided with a gripping ball for being gripped by a user.
9. The on-line sampling valve of claim 1, wherein the sampling needle is a double needle type, one needle is a sampling needle through which the medium flows in, the other needle is a gas discharge needle in the bottle, and the excess gas in the bottle is discharged through the gas discharge needle when the medium flows in.
10. The online sampling valve according to claim 1, characterized in that the sampler main body mechanism (3) is fixed with the central hole at the lower part of the valve body (1) through a screw, a sealing structure is connected below the sampler main body mechanism (3), and the lower end of the valve rod (4) is connected with a sampling needle which penetrates through the sampler main body mechanism (3) and the sealing structure and is exposed from the lower end of the sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920144782.4U CN209875980U (en) | 2019-01-28 | 2019-01-28 | On-line sampling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920144782.4U CN209875980U (en) | 2019-01-28 | 2019-01-28 | On-line sampling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209875980U true CN209875980U (en) | 2019-12-31 |
Family
ID=68952005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920144782.4U Expired - Fee Related CN209875980U (en) | 2019-01-28 | 2019-01-28 | On-line sampling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209875980U (en) |
-
2019
- 2019-01-28 CN CN201920144782.4U patent/CN209875980U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20220128 |