CN217132640U - Online sample valve of prevention of liquid leakage - Google Patents
Online sample valve of prevention of liquid leakage Download PDFInfo
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- CN217132640U CN217132640U CN202220714113.8U CN202220714113U CN217132640U CN 217132640 U CN217132640 U CN 217132640U CN 202220714113 U CN202220714113 U CN 202220714113U CN 217132640 U CN217132640 U CN 217132640U
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Abstract
The utility model provides an online sample valve of prevention of liquid leakage belongs to oil well oil recovery sampling equipment field. The device comprises a main valve body, an upper valve body, a nut, a hand wheel, a valve rod and a valve core, wherein the bottom of the upper valve body is in threaded connection with the upper part of the main valve body; the sealing ring is arranged between the main valve body and the upper valve body, the bottom in the main valve body is provided with a valve seat, a liquid taking cavity is arranged in the valve seat, a liquid inlet matched with the valve core is formed in the middle of the top of the valve seat, a sampling outlet is formed in the middle of the bottom of the main valve body, a cylindrical connecting port is further arranged at the bottom of the main valve body, and an external thread is arranged at the connecting port. The utility model discloses a sample valve is difficult for taking place weeping phenomenon in the sample process and after the sample.
Description
Technical Field
The utility model belongs to oil well oil recovery sampling equipment field, concretely relates to online sample valve of prevention of liquid leakage.
Background
Sampling valves are valves used for obtaining media samples in pipelines or equipment, and special sampling valves are often used in many occasions where chemical analysis is frequently required on the media samples.
With the deep exploitation of the oil well, the water content in the oil well output liquid can continuously rise. Therefore, in order to stabilize the production of the oil well, it is necessary to take a sample at the wellhead of the oil well every day and measure the water content thereof. A sampling valve is usually arranged at the wellhead of the oil well, and sampling work is completed through the sampling valve. In the prior art, after one-time sampling operation is completed, part of oil sample can remain in the sampling valve, and the residual oil sample of the sampling valve can leak after the sampling valve is used for a long time.
Disclosure of Invention
An object of the utility model is to provide an online sample valve of prevention of liquid leakage realizes online sampling, and difficult emergence weeping phenomenon in the sampling process and after the sample.
In order to achieve the purpose, the technical scheme provided by the utility model is an online sample valve of prevention of liquid leakage, including the main valve body, upper valve body, nut, hand wheel, valve rod, case, upper valve body bottom and main valve body upper portion threaded connection, valve rod upper end and hand wheel fixed connection, the valve rod lower extreme passes the upper valve body and then stretches into in the main valve body, and connects the case, the upper valve body top is fixed with the nut, the upper portion of valve rod is equipped with the external screw thread that matches with the nut; the sealing ring is arranged between the main valve body and the upper valve body, the bottom in the main valve body is provided with a valve seat, a liquid taking cavity is arranged in the valve seat, a liquid inlet matched with the valve core is formed in the middle of the top of the valve seat, a sampling outlet is formed in the middle of the bottom of the main valve body, a cylindrical connecting port is further arranged at the bottom of the main valve body, and an external thread is arranged at the connecting port.
Further, the connection port is in threaded connection with a sealing cover.
Furthermore, the connection port is in threaded connection with a sampling tube, the upper portion of the sampling tube is provided with a barrel internal thread, and a sampling bottle is placed in the sampling tube.
Preferably, the side wall of the sampling tube is provided with at least one vertical strip-shaped through hole.
Preferably, the bottom is equipped with the buffering packing ring in the sampling tube, and the sample bottle is placed on the buffering packing ring.
Preferably, a handle is arranged outside the side wall of the sampling tube.
Furthermore, a flow guide pipe is arranged in the connecting port, the upper end of the flow guide pipe is connected with the main valve body, and the flow guide pipe is communicated with the liquid taking cavity in the valve seat through a sampling outlet.
The utility model has the advantages of: the utility model discloses an online sample valve of prevention of liquid leakage is used for oil recovery oil well wellhead department to take a sample on line, and the sampling bottle is connected on connection port after placing through the sampler barrel in the sample process, and the sample of being convenient for need not artifical handheld, adopts the closing cap to seal after the sample, avoids the export of external environment pollution sample, is difficult for taking place the weeping phenomenon in the sample process and after the sample.
Drawings
Fig. 1 is a front view of an anti-leakage on-line sample valve according to an embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of an anti-leakage online sample valve according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the leakage-proof online sample valve during sampling according to an embodiment of the present invention;
FIG. 4 is a schematic view of the construction of the sampling cartridge of FIG. 3;
reference numerals: 1-main valve body, 101-sampling outlet, 2-upper valve body, 3-nut, 4-hand wheel, 5-valve rod, 6-sealing ring, 7-sealing cover, 8-valve core, 9-valve seat, 901-liquid inlet, 10-connecting port, 11-flow guide pipe, 12-sampling cylinder, 1201-strip through hole, 1202-internal thread of cylinder body, 1203-handle, 13-sampling bottle and 14-buffer gasket.
Detailed Description
The technical solution of the present invention will be described in detail and fully with reference to the accompanying drawings, wherein the embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1
Referring to the attached drawings 1 and 2, the online sample valve for preventing liquid leakage provided by the embodiment comprises a main valve body 1, an upper valve body 2, a nut 3, a hand wheel 4, a valve rod 5 and a valve core 8, wherein the bottom of the upper valve body 2 is in threaded connection with the upper part of the main valve body 1, the upper end of the valve rod 5 is fixedly connected with the hand wheel 4, the lower end of the valve rod 5 penetrates through the upper valve body 2 and then extends into the main valve body 1 and is connected with the valve core 8, the nut 3 is fixed at the top of the upper valve body 2, and the upper part of the valve rod 5 is provided with an external thread matched with the nut 3; a sealing ring 6 is arranged between the main valve body 1 and the upper valve body 2, a valve seat 9 is arranged at the bottom in the main valve body 1, a liquid taking cavity is arranged in the valve seat 9, a liquid inlet 901 matched with the valve core 8 is formed in the middle of the top of the valve seat 9, a sampling outlet 101 is formed in the middle of the bottom of the main valve body 1, a cylindrical connecting port 10 is further arranged at the bottom of the main valve body 1, an external thread is arranged at the connecting port 10, and the connecting port 10 is in threaded connection with a sealing cover 7.
Fig. 1 is a state diagram of the leakage-proof online sample valve of this embodiment before or after sampling, and a sealing cover 7 is used to seal a connection port 10 to prevent external environment from polluting a sampling outlet 101, and by rotating a hand wheel 4, under the cooperation of a nut 3, a valve rod 5 and a valve core 8 rotate to axially move, and the valve core 8 and a liquid inlet 901 of a valve seat 9 are opened and closed.
Example 2
Referring to fig. 2-4, different from embodiment 1, in the online sample valve for preventing leakage of liquid of this embodiment, the connection port 10 is connected to the sampling tube 12 through a thread, the upper portion of the sampling tube 12 is provided with a barrel internal thread 1202, the sampling tube 12 is internally provided with the sampling bottle 13, the side wall of the sampling tube 12 is provided with at least one vertical strip-shaped through hole 1201, the bottom portion of the sampling tube 12 is provided with the cushion gasket 14, the sampling bottle 13 is placed on the cushion gasket, and the side wall of the sampling tube 12 is externally provided with the handle 1203.
Fig. 3 is a state diagram of the anti-leakage on-line sample valve of the present embodiment when sampling is required, the sealing cap 7 is rotated to be removed, the buffer gasket 14 and the sampling bottle 13 are placed in the sampling cylinder 12, and then the sampling cylinder 12 is connected to the connection port 10.
In this embodiment, the number of the strip-shaped through holes 1201 is 3, the strip-shaped through holes are uniformly arranged on the side wall of the sampling cylinder 12, and the buffer gasket 14 is made of polyurethane rubber.
Example 3
On the basis of embodiment 1 or 2, in the online sample valve for preventing liquid leakage of the present embodiment, a flow guide tube 11 is disposed inside the connection port 10, and an upper end of the flow guide tube 11 is connected to the main valve body 1 and is communicated with the liquid taking cavity in the valve seat 9 through a sampling outlet 101. The draft tube 11 is favorable for liquid to flow into the sampling container from the sampling outlet 101, and the liquid at the sampling outlet 101 is prevented from splashing outside the sampling container.
It will be appreciated by those skilled in the art that the foregoing descriptions of embodiments are intended to illustrate the principles of the invention, and that various changes and modifications may be made to the embodiments without departing from the spirit and scope of the invention.
Claims (7)
1. An online sample valve for preventing liquid leakage comprises a main valve body, an upper valve body, a nut, a hand wheel, a valve rod and a valve core, wherein the bottom of the upper valve body is in threaded connection with the upper part of the main valve body; the method is characterized in that: the sealing ring is arranged between the main valve body and the upper valve body, the bottom in the main valve body is provided with a valve seat, a liquid taking cavity is arranged in the valve seat, a liquid inlet matched with the valve core is formed in the middle of the top of the valve seat, a sampling outlet is formed in the middle of the bottom of the main valve body, a cylindrical connecting port is further arranged at the bottom of the main valve body, and an external thread is arranged at the connecting port.
2. The anti-leakage online sample valve of claim 1, characterized in that: the connecting port is in threaded connection with a sealing cover.
3. The anti-leakage online sample valve of claim 1, characterized in that: the connection port is in threaded connection with a sampling tube, the upper portion of the sampling tube is provided with a barrel internal thread, and a sampling bottle is placed in the sampling tube.
4. The anti-leakage online sample valve of claim 3, characterized in that: at least one vertical strip-shaped through hole is formed in the side wall of the sampling tube.
5. The anti-leakage online sample valve of claim 3, characterized in that: the bottom is equipped with the buffering packing ring in the sampling tube, and the sample bottle is placed on the buffering packing ring.
6. The anti-leakage online sample valve of claim 3, characterized in that: and a handle is arranged outside the side wall of the sampling tube.
7. The anti-leakage online sample valve of claim 1, characterized in that: and a flow guide pipe is arranged in the connecting port, the upper end of the flow guide pipe is connected with the main valve body, and the flow guide pipe is communicated with the liquid taking cavity in the valve seat through a sampling outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220714113.8U CN217132640U (en) | 2022-03-29 | 2022-03-29 | Online sample valve of prevention of liquid leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220714113.8U CN217132640U (en) | 2022-03-29 | 2022-03-29 | Online sample valve of prevention of liquid leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217132640U true CN217132640U (en) | 2022-08-05 |
Family
ID=82644341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220714113.8U Active CN217132640U (en) | 2022-03-29 | 2022-03-29 | Online sample valve of prevention of liquid leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217132640U (en) |
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2022
- 2022-03-29 CN CN202220714113.8U patent/CN217132640U/en active Active
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