CN219933084U - Multifunctional sampling valve - Google Patents
Multifunctional sampling valve Download PDFInfo
- Publication number
- CN219933084U CN219933084U CN202321134224.2U CN202321134224U CN219933084U CN 219933084 U CN219933084 U CN 219933084U CN 202321134224 U CN202321134224 U CN 202321134224U CN 219933084 U CN219933084 U CN 219933084U
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- sampling
- sealing ring
- sampling tube
- ring
- sealing
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- 238000005070 sampling Methods 0.000 title claims abstract description 112
- 238000007789 sealing Methods 0.000 claims abstract description 100
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 abstract description 11
- 238000005299 abrasion Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a multifunctional sampling valve, which relates to the technical field of valves and comprises a valve body, wherein a booster pump is arranged at the top of the valve body, and a sampling tube is arranged at the bottom of the valve body; the position of the sampling tube, which is close to the middle part, is connected with two liquid outlet pipes, a first sealing ring is arranged inside the sampling tube, the first sealing ring is positioned at the position above the liquid outlet pipes, the bottom end of the sampling tube is connected with an end cover, a threaded rod extending into the sampling tube is arranged on the end cover in a threaded manner, the bottom end of the threaded rod is provided with a grab handle, one end of the threaded rod extending into the sampling tube is rotationally connected with a plugging plate, and the upper surface of the plugging plate is provided with a sealing gasket; the lower surface of the plugging plate is provided with a third sealing ring, a supporting ring plate is arranged at a position, close to the bottom end, in the sampling tube, and the upper surface of the supporting ring plate is provided with a second sealing ring. The utility model has reasonable structure, good sealing effect before sampling, after sampling and in the sampling process, low abrasion and strong operability.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a multifunctional sampling valve.
Background
The valve is a pipeline accessory for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium, and can be classified into a shutoff valve, a check valve, a regulating valve and the like according to functions thereof.
The utility model patent with application number 202220908923.7 discloses a multifunctional sampling valve, which comprises a valve main body, wherein a sampling pipe is inserted in the middle of the bottom end of the valve main body, triangular plates are fixedly connected to two sides of the middle part of the interior of the sampling pipe, sealing rubber strips are fixedly connected to one sides of the triangular plates, a plug rod is inserted between the sealing rubber strips, a rotating block is rotatably connected to the bottom end of the plug rod, and a threaded rod is fixedly connected to the bottom end of the rotating block; the water quality sampling valve is characterized in that a booster pump is fixedly connected to the middle part of the top of the valve main body, and the specification of the water quality sampling valve is provided with a threaded rod, a rotating piece, a rotating block, a plunger rod and a triangular plate, when water quality in a water pipe needs to be sampled, the threaded rod is in threaded fit with the threaded block through the rotating piece, the threaded rod moves downwards, the plunger rod is driven to rotate and fit to be pulled downwards after moving, and liquid flows out after the plunger rod falls off the triangular plate through the threaded rod, so that sampling operation is achieved. However, the applicant finds that in the technical scheme provided by the utility model, the sealing is realized through the sealing rubber strip between the inserted link and the triangular plate, and the inserted link can not rotate along with the threaded rod although the rotating block is arranged between the inserted link and the threaded rod, but the inserted link still has abrasion caused by plugging and pulling out in the process of plugging and sampling by extending into and out of the triangular plate, and the sealing rubber strip inevitably reduces the sealing effect and has the problem of easy leakage of medium along with the increase of sampling times.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides a multifunctional sampling valve which has good sealing effect before sampling, after sampling and in the sampling process, and is low in abrasion and strong in operability.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a multifunctional sampling valve comprises a valve body, wherein a booster pump is arranged at the top of the valve body, and a sampling tube is arranged at the bottom of the valve body;
the sampling tube is provided with a sampling tube, a liquid outlet pipe is connected to the sampling tube, a first sealing ring is arranged in the sampling tube, the first sealing ring is positioned at the position above the liquid outlet pipe, the bottom end of the sampling tube is connected with an end cover, a threaded rod extending into the sampling tube is arranged on the end cover in a threaded manner, a grab handle is arranged at the bottom end of the threaded rod, one end of the threaded rod extending into the sampling tube is rotationally connected with a plugging plate, and a sealing gasket is arranged on the upper surface of the plugging plate;
the shutoff board lower surface is provided with the third sealing ring, the position department that is close to the bottom in the sampling tube is provided with the support ring board, and support ring board upper surface is provided with the second sealing ring, second sealing ring and support ring board all are located drain pipe below department, just the threaded rod activity runs through second sealing ring and support ring board.
Preferably, the lower surface of the first sealing ring is arc-shaped and protrudes, and the sealing gasket is provided with an embedding groove for embedding with the first sealing ring.
Preferably, a convex block is arranged at the middle position of the bottom wall of the embedded groove.
Preferably, the upper surface of the second sealing ring is provided with a raised annular structure, and the lower surface of the third sealing ring is provided with a groove for the second sealing ring to be embedded.
Preferably, the end cover is in threaded connection with the bottom end of the sampling tube, a supporting rod is vertically arranged on one surface of the end cover facing the inside of the sampling tube, and the top end of the supporting rod is connected with a supporting ring plate.
Preferably, the bottom end of the supporting rod is rotationally connected with the end cover, and the top end of the supporting rod is in threaded connection with the supporting ring plate.
Preferably, one end of the liquid outlet pipe far away from the sampling pipe is vertically bent downwards, and the end part of the liquid outlet pipe is in threaded connection with an end cap.
The utility model has the beneficial effects that:
1, through the setting of sealed pad on first sealing ring and the shutoff board in the sampling tube, when taking a sample, only need twist the grab handle and drive the threaded rod and rotate, drive the shutoff board and make sealed pad keep away from first sealing ring, when the shutoff board and sealed pad all remove the below position department of drain pipe, drain pipe and sampling tube intercommunication, the medium that flows through the valve body gets into in the sampling tube and flows into the drain pipe through first sealing ring, alright realize the sampling operation, with detect in the medium conveyer pipe and the medium transport condition in the valve body, and simple overall structure, easy operation, and after the sample finishes, twist the threaded rod and promote the shutoff board and rise, until sealed pad and first sealing ring gomphosis, utilize the bellying of the gomphosis of the last tabling of sealing pad and first sealing ring, can form positive butt pressure formula seal structure, thereby realize the effective seal to the sampling tube, compared with the plug-in seal structure in the prior art, seal structure's wearing and tearing has been reduced, thereby sealed effect has been ensured, sampling structure's life.
2, through the setting of sampling tube bottom second sealing ring and the setting of shutoff board lower surface third sealing ring, in the sampling process, when shutoff board and sealed the pad removal to drain pipe below, continue to twist the threaded rod, make the third sealing ring and the second sealing ring gomphosis of shutoff board lower surface, wherein in the bellied ring-shaped structure embedding of second sealing ring upper surface is in the recess on the third sealing ring, can realize the sealing of sampling tube bottom in the sampling process, can avoid the problem of medium seepage from sampling tube bottom end cover in the sampling process as far as possible.
In summary, the utility model has simple structure, good sealing effect before sampling, after sampling and in the sampling process, low abrasion and strong operability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of a sampling tube according to the present utility model;
FIG. 3 is a schematic view of a first seal ring structure of the present utility model;
fig. 4 is a schematic structural view of the threaded rod of the present utility model.
Reference numerals: 1. a valve body; 2. a booster pump; 3. a sampling tube; 4. a liquid outlet pipe; 5. a base; 6. a first seal ring; 7. a threaded rod; 8. a plugging plate; 9. an end cap; 10. a second seal ring; 11. a grab handle; 12. an end cap; 13. a fixed ring plate; 14. a sealing gasket; 15. a fitting groove; 16. a bump; 17. a third seal ring; 18. a support ring plate; 19. a groove; 20. and (5) supporting the rod.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 apparatus 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" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Examples
As shown in fig. 1-4, this embodiment provides a multifunctional sampling valve, including valve body 1, booster pump 2 is installed at valve body 1 top, valve body 1 bottom is provided with sampling tube 3, with valve body 1 and medium conveying pipeline intercommunication, when the medium flows through valve body 1, can be to medium pressure boost through booster pump 2, the circulation of reinforcing medium, wherein sampling tube 3 is used for taking a sample to the medium of pipeline and valve body 1 transport, wherein valve body 1 bottom still is provided with base 5 for the installation of valve body 1 is fixed, sampling tube 3 runs through base 5.
As an implementation manner in this embodiment, two liquid outlet pipes 4 are connected to the position of the sampling pipe 3 near the middle, a first sealing ring 6 is provided inside the sampling pipe 3, the first sealing ring 6 is located at the position above the liquid outlet pipes 4, specifically, a fixed ring plate 13 is fixed inside the sampling pipe 3, and the first sealing ring 6 is disposed on the lower surface of the fixed ring plate 13. The bottom end of the sampling tube 3 is connected with an end cover 9, and in particular, the end cover 9 is in threaded connection with the bottom end of the sampling tube 3, so that the end cover 9 can be conveniently disassembled and assembled; the end cover 9 is threaded and provided with a threaded rod 7 extending into the sampling tube 3, the bottom end of the threaded rod 7 is provided with a grab handle 11, one end of the threaded rod 7 extending into the sampling tube 3 is rotatably connected with a plugging plate 8, and the upper surface of the plugging plate 8 is provided with a sealing gasket 14; through this technical scheme, when taking a sample, only need twist grab handle 11 drive threaded rod 7 rotation, drive shutoff board 8 and make sealed pad 14 keep away from first sealing ring 6, when shutoff board 8 and sealed pad 14 all move to drain pipe 4's below position department, drain pipe 4 and sampling tube 3 intercommunication, the medium that flows through valve body 1 gets into in the sampling tube 3 and flows into in the drain pipe 4 through first sealing ring 6, alright realize the sample operation, with in detecting the medium conveyer pipe and the medium transport condition in valve body 1, and after the sample finishes, twist threaded rod 7 and promote shutoff board 8 and rise, until sealed pad 14 and first sealing ring 6 gomphosis, form positive butt pressure formula seal structure, thereby realize the effective seal to sampling tube 3, compared in the plug-in seal structure in the prior art, seal structure's wearing and tearing have been reduced, seal effect has been ensured, thereby the life of this structure has been prolonged.
In this embodiment, the end of the liquid outlet pipe 4 far away from the sampling pipe 3 is bent vertically downwards so as to facilitate sampling, and the end of the liquid outlet pipe 4 is connected with the end cap 12 in a threaded manner, so that dust and impurities entering the liquid outlet pipe 4 during non-sampling can be avoided as much as possible.
Further, in this embodiment, the lower surface of the first sealing ring 6 is arc-shaped and protrudes, the sealing pad 14 is provided with an embedding groove 15 for embedding with the first sealing ring 6, after the sealing pad 14 is embedded with the first sealing ring 6, the protruding part on the first sealing ring 6 is embedded into the embedding groove 15, so that the embedding effect of the first sealing ring 6 and the sealing pad 14 can be improved, wherein the protruding block 16 is arranged at the middle position of the bottom wall of the embedding groove 15, and the protruding block 16 can be embedded into the hole of the first sealing ring 6, so that the sealing effect of the sealing pad 14 and the first sealing ring 6 on the sampling tube 3 before and after sampling is improved.
As an implementation manner in this embodiment, the lower surface of the plugging plate 8 is provided with the third sealing ring 17, the position close to the bottom end in the sampling tube 3 is provided with the supporting ring plate 18, the upper surface of the supporting ring plate 18 is provided with the second sealing ring 10, the second sealing ring 10 is in sealing contact with the inner wall of the sampling tube 3, the second sealing ring 10 and the supporting ring plate 18 are both positioned at the position below the liquid outlet tube 4, and the threaded rod 7 movably penetrates through the second sealing ring 10 and the supporting ring plate 18.
In this embodiment, the upper surface of the second sealing ring 10 has a convex annular structure, the lower surface of the third sealing ring 17 is provided with a groove 19 for the second sealing ring 10 to be embedded, and after the second sealing ring 10 is embedded with the third sealing ring 17, the convex annular structure on the upper surface of the second sealing ring 10 is embedded into the groove 19 on the third sealing ring 17, so that the sealing effect on the bottom of the sampling tube 3 in the sampling process can be improved.
Further, the end cover 9 is provided with the bracing piece 20 towards the inside one side of sampling tube 3 vertically, and bracing piece 20 top is connected with support ring plate 18 for support ring plate 18, wherein bracing piece 20 bottom and end cover 9 rotate to be connected, bracing piece 20 top and support ring plate 18 threaded connection, can take out sampling tube 3 with support ring plate 18 after end cover 9 separates sampling tube 3, twist bracing piece 20 and can be with support ring plate 18 separation end cover 9, in order to change the maintenance.
Working procedure
The multifunctional sampling valve comprises: when the medium flow valve is used, the valve body 1 is communicated with the medium conveying pipeline, and when the medium flows through the valve body 1, the medium can be pressurized through the booster pump 2, so that the flow property of the medium is enhanced. When sampling, twist grab handle 11 and drive threaded rod 7 rotation, drive shutoff board 8 and make sealed pad 14 keep away from first sealing ring 6, when shutoff board 8 and sealed pad 14 all remove to drain pipe 4's below position department, drain pipe 4 and sampling tube 3 intercommunication this moment, the medium that flows through valve body 1 gets into in the sampling tube 3 and flows into in the drain pipe 4 through first sealing ring 6, only need unscrew the end cap 12 of drain pipe 4 tip, alright realize the sampling operation to detect medium conveyer intraductal and the medium transport condition in valve body 1. Further, when the plugging plate 8 and the sealing gasket 14 move to the lower part of the liquid outlet pipe 4, the threaded rod 7 is continuously screwed, so that the third sealing ring 17 on the lower surface of the plugging plate 8 is embedded with the second sealing ring 10, wherein the annular structure protruding from the upper surface of the second sealing ring 10 is embedded into the groove 19 on the third sealing ring 17, the bottom of the sampling pipe 3 can be sealed in the sampling process, and the problem that a medium leaks from the end cover 9 at the bottom end of the sampling pipe 3 in the sampling process is avoided as much as possible. Further, after the sampling is completed, the threaded rod 7 is screwed to push the plugging plate 8 to ascend until the sealing gasket 14 is embedded with the first sealing ring 6, and the embedded groove 15 on the sealing gasket 14 is embedded with the protruding part of the first sealing ring 6, so that a front pressing type sealing structure can be formed, and the effective sealing of the sampling tube 3 is realized.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The utility model provides a multi-functional sampling valve, includes the valve body, and the booster pump is installed at the valve body top, and the valve body bottom is provided with sampling tube, its characterized in that:
the sampling tube is provided with a sampling tube, a liquid outlet pipe is connected to the sampling tube, a first sealing ring is arranged in the sampling tube, the first sealing ring is positioned at the position above the liquid outlet pipe, the bottom end of the sampling tube is connected with an end cover, a threaded rod extending into the sampling tube is arranged on the end cover in a threaded manner, a grab handle is arranged at the bottom end of the threaded rod, one end of the threaded rod extending into the sampling tube is rotationally connected with a plugging plate, and a sealing gasket is arranged on the upper surface of the plugging plate;
the shutoff board lower surface is provided with the third sealing ring, the position department that is close to the bottom in the sampling tube is provided with the support ring board, and support ring board upper surface is provided with the second sealing ring, second sealing ring and support ring board all are located drain pipe below department, just the threaded rod activity runs through second sealing ring and support ring board.
2. The multifunctional sampling valve according to claim 1, wherein the lower surface of the first sealing ring is arc-shaped, and the sealing gasket is provided with an embedding groove for embedding with the first sealing ring.
3. The multifunctional sampling valve according to claim 2, wherein a projection is provided at a position in the middle of the bottom wall of the fitting groove.
4. The multifunctional sampling valve according to claim 1, wherein the upper surface of the second sealing ring is provided with a raised circular ring structure, and the lower surface of the third sealing ring is provided with a groove for the second sealing ring to be embedded.
5. The multifunctional sampling valve according to claim 1, wherein the end cover is in threaded connection with the bottom end of the sampling tube, a supporting rod is vertically arranged on one surface of the end cover facing the inside of the sampling tube, and the top end of the supporting rod is connected with the supporting ring plate.
6. The multifunctional sampling valve according to claim 5, wherein the bottom end of the supporting rod is rotatably connected with the end cover, and the top end of the supporting rod is in threaded connection with the supporting ring plate.
7. The multifunctional sampling valve according to claim 1, wherein the end of the liquid outlet pipe far away from the sampling pipe is vertically bent downwards, and the end of the liquid outlet pipe is connected with an end cap in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321134224.2U CN219933084U (en) | 2023-05-12 | 2023-05-12 | Multifunctional sampling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321134224.2U CN219933084U (en) | 2023-05-12 | 2023-05-12 | Multifunctional sampling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219933084U true CN219933084U (en) | 2023-10-31 |
Family
ID=88492052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321134224.2U Active CN219933084U (en) | 2023-05-12 | 2023-05-12 | Multifunctional sampling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219933084U (en) |
-
2023
- 2023-05-12 CN CN202321134224.2U patent/CN219933084U/en active Active
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