CN218956168U - Liquid sampling device - Google Patents
Liquid sampling device Download PDFInfo
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- CN218956168U CN218956168U CN202222115068.7U CN202222115068U CN218956168U CN 218956168 U CN218956168 U CN 218956168U CN 202222115068 U CN202222115068 U CN 202222115068U CN 218956168 U CN218956168 U CN 218956168U
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Abstract
The utility model relates to the technical field of oilfield equipment, in particular to a liquid sampling device, which comprises a sampling tube, a suction pipe and a suction assembly, wherein the suction tube is arranged on the sampling tube; the absorption assembly comprises a flow blocking column, a flow blocking plate and a waterproof ring, the device is placed in a sample to be taken, such as petroleum, the absorption pipe stretches into the sample, when the sampling tube absorbs the sample, the flow blocking column and the flow blocking plate in the absorption pipe can be lifted upwards by buoyancy and suction, the sample flows into the absorption pipe from a gap where the flow blocking plate is lifted, the absorption pipe is taken out of the sample solution, the flow blocking column and the flow blocking plate can be subjected to gravity and water pressure, so that the flow blocking plate can block a hole of the absorption pipe, at the moment, the sample in the sampling pipe can not flow out, the sample can be stored in the sampling pipe for a long time, and the convenience of raw liquid sampling is improved.
Description
Technical Field
The utility model relates to the technical field of oilfield equipment, in particular to a liquid sampling device.
Background
In the oil field exploration process, petroleum in a target exploration area is required to be sampled to detect petroleum components, a traditional sampling mode is to directly tank the petroleum in a sampling bottle, the petroleum in the traditional mode is easy to hang on the outer wall of the sampling bottle, and the petroleum can drip during transfer, so that the petroleum is inconvenient to clean.
The existing liquid sampling device is characterized in that a piston and a pull rod are arranged in a sampling bottle, the piston is driven to move in the sampling bottle by pulling the pull rod upwards, negative pressure is generated in the sampling bottle, petroleum is sucked into the sampling bottle through the negative pressure, and the problem that petroleum is attached to the outer wall of the sampling bottle when petroleum is collected is solved.
However, in the liquid sampling device, when the pull rod is not pulled any more, the petroleum can flow out of the sampling bottle quickly, and the sampling bottle cannot store the petroleum for a long time.
Disclosure of Invention
The utility model aims to provide a liquid sampling device, which solves the problems that when a pull rod is not pulled any more, petroleum can flow out of a sampling bottle quickly and the sampling bottle cannot store the petroleum for a long time.
In order to achieve the above object, the present utility model provides a liquid sampling device, wherein the suction pipe is fixedly connected with the sampling tube and is positioned below the sampling tube,
the device also comprises a suction assembly;
the suction assembly comprises a flow blocking column, a flow blocking plate and a waterproof ring, wherein the flow blocking column is in sliding connection with the suction pipe and is positioned in the suction pipe, and the flow blocking plate is fixedly connected with the flow blocking column and is positioned on one side of the flow blocking column, which is close to the suction pipe. The waterproof ring is fixedly connected with the spoiler and is positioned on one side of the spoiler, which is close to the flow blocking column.
The suction pipe is provided with a limiting hole, and the limiting hole is positioned at one side of the suction pipe away from the flow blocking column.
The suction assembly further comprises a limiting column, wherein the limiting column is fixedly connected with the flow blocking column, is in sliding connection with the suction pipe, and is located in the limiting hole.
The suction assembly further comprises a filter screen, wherein the filter screen is fixedly connected with the suction pipe and is positioned on one side, close to the flow blocking column, of the suction pipe.
The liquid sampling device further comprises a driving assembly, and the driving assembly is connected with the sampling tube.
The driving assembly comprises a pull rod and a rubber plug, wherein the pull rod is in sliding connection with the sampling tube and is positioned at one side of the sampling tube far away from the flow blocking column; the rubber plug is fixedly connected with the pull rod and is positioned in the sampling tube.
The liquid sampling device further comprises a transfusion tube and a switch valve, wherein the transfusion tube is connected with the sampling tube and is positioned at one side of the sampling tube far away from the suction tube; the switch valve is connected with the infusion tube and is positioned at one side of the infusion tube far away from the sampling tube.
According to the liquid sampling device, the device is placed in a sample to be sampled, such as petroleum, the suction pipe stretches into the sample, the flow blocking column and the flow blocking plate in the suction pipe are lifted upwards by buoyancy and suction force when the sampling tube sucks the sample, the sample flows into the suction pipe from a gap lifted by the flow blocking plate, the suction pipe is taken out from a sample solution, the flow blocking column and the flow blocking plate are subjected to gravity and water pressure, so that the flow blocking plate can block the hole of the suction pipe, at the moment, the sample in the sampling pipe cannot flow out, the sample can be stored in the sampling pipe for a long time, and the convenience of raw liquid sampling is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural view of a suction assembly according to a first embodiment of the present utility model.
Fig. 2 is a schematic structural view of a driving assembly according to a first embodiment of the present utility model.
FIG. 3 is a schematic diagram showing the overall structure of a liquid sampling device according to a second embodiment of the present utility model.
In the figure; 101-sampling tube, 102-suction tube, 103-choke column, 104-choke plate, 105-waterproof ring, 106-limit column, 107-filter screen, 108-limit hole, 201-pull rod, 202-rubber plug, 203-infusion tube, 204-switch valve.
Detailed Description
The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.
The first embodiment of the application is as follows:
referring to fig. 1, fig. 1 is a schematic structural diagram of a suction assembly, and the present utility model provides a liquid sampling device; the device comprises a sampling tube 101, a suction tube 102 and a suction assembly, wherein the suction assembly comprises a flow blocking column 103, a flow blocking plate 104, a waterproof ring 105, a limiting column 106 and a filter screen 107, and the suction tube 102 is provided with a limiting hole 108.
For this embodiment, the suction tube 102 is fixedly connected to the sampling tube 101 and located below the sampling tube 101, and the sampling tube 101 is used for storing a sample.
The flow blocking column 103 is slidably connected with the suction pipe 102 and is located in the suction pipe 102, the flow blocking plate 104 is fixedly connected with the flow blocking column 103 and is located on one side, close to the suction pipe 102, of the flow blocking column 103, the waterproof ring 105 is fixedly connected with the flow blocking plate 104 and is located on one side, close to the flow blocking column 103, of the flow blocking plate 104, the flow blocking column 103 is composed of a cylinder and a circular plate, the cylinder is located in the suction pipe 102, the circular plate is installed below the cylinder, the flow blocking plate 104 is a circular plate, the flow blocking plate 104 is installed at the upper end of the cylinder of the flow blocking column 103, the waterproof ring 105 is installed below the flow blocking plate 104, the waterproof ring 105 is identical to the opening of the suction pipe 102 in size, when the flow blocking plate 104 and the waterproof ring 105 are lifted upwards, a sample can flow from a clearance raised by the flow blocking plate 104 into the sampling cylinder 101, when the sampling cylinder 101 does not suck the sample, the flow blocking plate 104 is tightly pressed by the pressure cylinder 104, and the water blocking plate 104 is tightly pressed by the sampling cylinder 101, and the water blocking ring 105 is tightly closes the opening of the sampling cylinder 101.
Secondly, the spacing hole 108 is located the suction pipe 102 is kept away from the one side of choked flow post 103, spacing post 106 with choked flow post 103 fixed connection, and with suction pipe 102 sliding connection just is located in spacing hole 108, the quantity of spacing hole 108 is four, four spacing hole 108 annular distributes in the bottom of suction pipe 102 install four spacing post 106 on the plectane of choked flow post 103 bottom, four spacing post 106 inserts respectively four in the spacing hole 108, through spacing hole 108 with spacing post 106 prevents the plectane of choked flow post 103 bottom can block up the lower extreme of suction pipe 102.
Meanwhile, the filter screen 107 is fixedly connected with the suction pipe 102 and is located at one side of the suction pipe 102 close to the flow blocking column 103, and the filter screen 107 is installed in the suction pipe 102 and is used for filtering impurities and improving the quality of sampled samples.
By using the liquid sampling device of this embodiment, the device is placed in a sample to be sampled, such as petroleum, the suction pipe 102 extends into the sample, the sample tube 101 is lifted upwards by buoyancy and suction force when the sample is sucked by the sample tube 102, the sample flows into the suction pipe 102 from the gap lifted by the baffle 104, the sample is taken out of the sample solution from the suction pipe 102, the pressure of the sample in the sample tube 101 is applied to the baffle 103 and the baffle 104, so that the baffle 104 can block the hole of the suction pipe 102, at this time, the sample in the sample tube 101 cannot flow out, so that the sample can be stored in the sample tube 101 for a long time, and the convenience of raw liquid sampling is improved.
The second embodiment of the present application is:
referring to fig. 2 and 3, fig. 2 is a schematic structural view of a driving assembly, fig. 3 is a schematic structural view of an overall liquid sampling device, and the liquid sampling device of the present embodiment further includes a driving assembly, wherein the driving assembly includes a pull rod 201, a rubber stopper 202, a transfusion tube 203 and a switch valve 204.
For this embodiment, the drive assembly is coupled to the sampling cartridge 101, and the drive assembly is used to draw a sample into the sampling cartridge 101.
Wherein, the pull rod 201 is slidably connected with the sampling tube 101, and is located at a side of the sampling tube 101 away from the choke column 103; the rubber stopper 202 with pull rod 201 fixed connection, and be located in the sampling tube 101, pull rod 201 is the cylinder, pull rod 201 with sampling tube 101 sliding connection, rubber stopper 202 with pull rod 201 fixed connection, rubber stopper 202 is located in the sampling tube 101, up to this, the pulling upwards pull rod 201, rubber stopper 202 follows pull rod 201 upwards moves in the sampling tube 101 for produce the negative pressure in the sampling tube 101, realized that the sample can be inhaled in the sampling tube 101.
Secondly, the infusion tube 203 is connected with the sampling tube 101 and is positioned at one side of the sampling tube 101 away from the suction tube 102; the switch valve 204 is connected with the infusion tube 203 and is located at one side of the infusion tube 203 far away from the sampling tube 101, the infusion tube 203 is communicated with the sampling tube 101, and the switch valve 204 is arranged on the infusion tube 203.
With the liquid sampling device of this embodiment, a sample is stored in the sampling tube 101, when the sample is needed, the switch valve 204 on the infusion tube 203 is opened, the pull rod 201 is pressed, and the sample stored in the sampling tube 101 can flow out of the sampling tube 101 through the infusion tube 203, so that multiple samplings can be performed in the same batch.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as it is to be understood by those skilled in the art that all or part of the process of implementing the described embodiment may be practiced otherwise than as specifically described and illustrated by the appended claims.
Claims (7)
1. The liquid sampling device comprises a sampling tube and a suction tube, wherein the suction tube is fixedly connected with the sampling tube and is positioned below the sampling tube,
the device also comprises a suction assembly;
the suction assembly comprises a flow blocking column, a flow blocking plate and a waterproof ring, wherein the flow blocking column is in sliding connection with the suction pipe and is positioned in the suction pipe, the flow blocking plate is fixedly connected with the flow blocking column and is positioned at one side of the flow blocking column, which is close to the suction pipe, and the waterproof ring is fixedly connected with the flow blocking plate and is positioned at one side of the flow blocking plate, which is close to the flow blocking column.
2. A liquid sampling device according to claim 1, wherein,
the suction pipe is provided with a limiting hole, and the limiting hole is positioned at one side of the suction pipe away from the flow blocking column.
3. A liquid sampling device according to claim 2, wherein,
the suction assembly further comprises a limiting column, wherein the limiting column is fixedly connected with the flow blocking column, is in sliding connection with the suction pipe, and is positioned in the limiting hole.
4. A liquid sampling device according to claim 1, wherein,
the suction assembly further comprises a filter screen, wherein the filter screen is fixedly connected with the suction pipe and is positioned on one side of the suction pipe, which is close to the flow blocking column.
5. A liquid sampling device according to claim 1, wherein,
the liquid sampling device further comprises a driving assembly, and the driving assembly is connected with the sampling tube.
6. A liquid sampling device according to claim 5, wherein,
the driving assembly comprises a pull rod and a rubber plug, and the pull rod is in sliding connection with the sampling tube and is positioned at one side of the sampling tube far away from the flow blocking column; the rubber plug is fixedly connected with the pull rod and is positioned in the sampling tube.
7. A liquid sampling device according to claim 6, wherein,
the liquid sampling device also comprises a transfusion tube and a switch valve, wherein the transfusion tube is connected with the sampling tube and is positioned at one side of the sampling tube far away from the suction tube; the switch valve is connected with the infusion tube and is positioned at one side of the infusion tube far away from the sampling tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222115068.7U CN218956168U (en) | 2022-08-10 | 2022-08-10 | Liquid sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222115068.7U CN218956168U (en) | 2022-08-10 | 2022-08-10 | Liquid sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218956168U true CN218956168U (en) | 2023-05-02 |
Family
ID=86108992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222115068.7U Active CN218956168U (en) | 2022-08-10 | 2022-08-10 | Liquid sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218956168U (en) |
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2022
- 2022-08-10 CN CN202222115068.7U patent/CN218956168U/en active Active
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