CN219673651U - Expansion joint convenient for liquid sampling detection - Google Patents
Expansion joint convenient for liquid sampling detection Download PDFInfo
- Publication number
- CN219673651U CN219673651U CN202320319445.0U CN202320319445U CN219673651U CN 219673651 U CN219673651 U CN 219673651U CN 202320319445 U CN202320319445 U CN 202320319445U CN 219673651 U CN219673651 U CN 219673651U
- Authority
- CN
- China
- Prior art keywords
- pipe
- liquid
- expansion joint
- extension pipe
- pull rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 74
- 238000005070 sampling Methods 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000000007 visual effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of expansion joints, in particular to an expansion joint convenient for liquid sampling detection, which comprises two coaxially arranged pipe bodies, wherein a fixed ring is arranged between the two pipe bodies, a corrugated pipe is fixed between the fixed ring and the pipe bodies, a flow guide pipe is arranged on the inner side of the corrugated pipe, a sampling mechanism is arranged at the bottom of the fixed ring and comprises an extension pipe, the extension pipe penetrates through the fixed ring, a liquid taking pipe is detachably arranged at one side of the extension pipe, a pull rod is inserted into the extension pipe, a blocking block is arranged at the top end of the pull rod and penetrates through the flow guide pipe, a stop block is arranged at the lower end of the pull rod, and a spring is arranged between the stop block and the bottom of the extension pipe. The device is provided with the sampling mechanism on the expansion joint, and liquid can flow into the liquid taking pipe to sample the liquid by pulling the pull rod, so that the expansion joint is prevented from being disassembled, and the convenience of liquid sampling is improved.
Description
Technical Field
The utility model relates to the technical field of expansion joints, in particular to an expansion joint convenient for liquid sampling detection.
Background
Expansion joints refer to flexible elements that effectively function to compensate for axial deformation. The expansion joint has a plurality of types, and commonly used structures such as wave form, ring plate welding and clamping type are adopted, wherein the wave form expansion joint is most widely applied, and the ring plate welding expansion joint is only suitable for normal pressure or low pressure occasions.
The expansion joint at present can only realize the most basic function of expansion joint, when need the liquid that flows in the pipeline to take a sample and examine, need dismantle the expansion joint generally, and dismantle the expansion joint and lead to the outflow of inside liquid easily, the sample operation is comparatively loaded down with trivial details, therefore, we propose an expansion joint that is convenient for liquid sampling and examining to solve above-mentioned problem.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an expansion joint convenient for liquid sampling detection.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the expansion joint comprises two coaxially arranged pipe bodies, a fixed ring is arranged between the two pipe bodies, a corrugated pipe is fixed between the fixed ring and the pipe bodies, and a flow guide pipe is arranged on the inner side of the corrugated pipe;
the bottom of solid fixed ring is provided with sampling mechanism, and sampling mechanism includes the extension pipe, and the extension pipe runs through solid fixed ring, and one side demountable installation of extension pipe has the liquid taking pipe to the inside of extension pipe is inserted and is equipped with the pull rod, the top of pull rod is provided with the shutoff piece, and the shutoff piece runs through the honeycomb duct, and the lower extreme of pull rod is provided with the dog, is provided with the spring between dog and the extension pipe bottom.
As a preferable technical scheme of the utility model, the outer end of the pipe body is welded with the connecting flange, the outer end of the connecting flange is concentrically provided with the sealing groove, the device is convenient to install through the connecting flange, and meanwhile, the sealing groove improves the tightness of the joint after installation.
As a preferable technical scheme of the utility model, the corrugated pipe is sleeved with a plurality of reinforcing rings, the reinforcing rings are positioned at the bottom between two adjacent turns of the corrugated pipe, and the strength of the corrugated pipe can be improved through the reinforcing rings.
As a preferable technical scheme of the utility model, the flow guide pipe is provided with a through hole matched with the top end of the plugging block, the top end of the plugging block is clamped in the through hole, a gap is arranged between the plugging block and the inner wall of the extension pipe, the plugging block is driven to be far away from the through hole on the flow guide pipe by pulling the pull rod, liquid can flow into the extension pipe through the through hole and flow into the liquid taking pipe from the liquid taking port, and after the pull rod is loosened, the pull rod is pushed by a spring to reset, so that the plugging block is inserted in the through hole to plug the through hole, and the liquid is prevented from flowing into the extension pipe.
As a preferable technical scheme of the utility model, a liquid taking port is arranged at one side of the lower end of the extension pipe, the liquid taking pipe is in threaded connection with the liquid taking port, and the liquid in the extension pipe can be checked by unscrewing the liquid taking pipe, so that the sampling operation is convenient.
As a preferable technical scheme of the utility model, when the spring is in a natural state, the stop block covers the liquid taking port, and after sampling, the stop block is blocked at the liquid taking port, so that the outflow of liquid is further reduced.
As a preferable technical scheme of the utility model, the liquid taking pipe is provided with the visual window, one side of the visual window is provided with the scale, and the sampling amount of liquid can be known in time through the cooperation of the visual window and the scale.
The beneficial effects of the utility model are as follows:
the device is provided with the sampling mechanism on the expansion joint, and liquid can flow into the liquid taking pipe to sample the liquid by pulling the pull rod, so that the expansion joint is prevented from being disassembled, and the convenience of liquid sampling is improved.
Drawings
FIG. 1 is a schematic diagram of an expansion joint for facilitating liquid sampling and detection according to the present utility model;
fig. 2 is a schematic diagram of the structure at a in fig. 1.
In the figure: 1. a tube body; 2. a fixing ring; 3. a connecting flange; 4. a bellows; 5. a reinforcing ring; 6. a flow guiding pipe; 7. an extension tube; 8. a pull rod; 9. a stop block; 10. a block; 11. a spring; 12. a liquid taking port; 13. a liquid taking tube.
Detailed Description
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.
Referring to fig. 1-2, an expansion joint convenient for liquid sampling detection comprises two coaxially arranged pipe bodies 1, wherein a connecting flange 3 is welded at the outer ends of the pipe bodies 1, sealing grooves are concentrically arranged at the outer ends of the connecting flange 3, the device is convenient to install through the connecting flange 3, and meanwhile, the sealing degree of a joint after installation is improved due to the arrangement of the sealing grooves;
a fixed ring 2 is arranged between the two pipe bodies 1, a corrugated pipe 4 is fixed between the fixed ring 2 and the pipe bodies 1, the corrugated pipe 4 is sleeved on the pipe bodies 1, meanwhile, a baffle ring is welded at the joint of the corrugated pipe 4 and the pipe bodies 1, a flow guide pipe 6 is arranged on the inner side of the corrugated pipe 4, the fluidity of liquid is improved through the flow guide pipe 6, the fixed ring 2 is fixedly connected with the flow guide pipe 6, a plurality of reinforcing rings 5 are sleeved on the corrugated pipe 4, the reinforcing rings 5 are positioned at the bottoms between two adjacent turns of the corrugated pipe 4, and the strength of the corrugated pipe 4 can be improved through the reinforcing rings 5;
the bottom of the fixed ring 2 is provided with a sampling mechanism, the sampling mechanism comprises an extension pipe 7, the extension pipe 7 penetrates through the fixed ring 2, one side of the extension pipe 7 is detachably provided with a liquid taking pipe 13, a pull rod 8 is inserted into the extension pipe 7, the top end of the pull rod 8 is provided with a plugging block 10, and the plugging block 10 penetrates through the guide pipe 6;
the flow guide pipe 6 is provided with a through hole matched with the top end of the blocking block 10, the top end of the blocking block 10 is clamped in the through hole, a gap is arranged between the blocking block 10 and the inner wall of the extension pipe 7, the blocking block 10 is driven to be away from the through hole on the flow guide pipe 6 by pulling the pull rod 8, liquid can flow into the extension pipe 7 through the gap and flow into the liquid taking pipe 13 from the liquid taking port 12, and after the pull rod 8 is loosened, the pull rod 8 is pushed by the spring 11 to reset, so that the blocking block 10 is inserted in the through hole to block the through hole, and the liquid is prevented from flowing into the extension pipe 7; and the lower extreme of pull rod 8 is provided with dog 9, is provided with spring 11 between dog 9 and the extension pipe 7 bottom, and extension pipe 7 lower extreme one side is provided with gets liquid mouth 12, gets liquid pipe 13 and gets liquid mouth 12 threaded connection, is provided with visual window on getting liquid pipe 13, and one side of visual window is provided with the scale, can in time know the sample size of liquid through the cooperation of visual window and scale, can inspect inside liquid through unscrewing getting liquid pipe 13 to the sampling operation of being convenient for.
It should be noted that when the spring 11 is in a natural state, the stopper 9 covers the liquid taking port 12, and after sampling, the outflow of liquid is further reduced by blocking the stopper 9 at the liquid taking port 12.
In this embodiment: after the device is installed on an external pipeline, when the device is used for a period of time and liquid in the pipeline needs to be sampled, the pull rod 8 is pulled downwards to drive the blocking block 10 to be away from the guide pipe 6, meanwhile, the stop block 9 is made to be away from the liquid taking port 12, the liquid in the pipeline flows into the extension pipe 7 through the through hole on the guide pipe 6 and flows into the liquid taking pipe 13 through the liquid taking port 12 again, when the liquid in the liquid taking pipe 13 reaches a certain amount, the pull rod 8 is loosened, the pull rod 8 is pushed by the spring 11 to reset, the blocking block 10 is inserted into the through hole to block the through hole, the liquid is prevented from flowing into the extension pipe 7, and the sampling operation is completed by taking down the liquid taking pipe 13.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides an expansion joint convenient to liquid sampling detects, includes two coaxial body (1) that set up, two be provided with solid fixed ring (2) between body (1), be fixed with bellows (4) between solid fixed ring (2) and body (1), the inboard of bellows (4) is provided with honeycomb duct (6), its characterized in that:
the bottom of solid fixed ring (2) is provided with sampling mechanism, and sampling mechanism includes extension pipe (7), and extension pipe (7) runs through solid fixed ring (2), and one side demountable installation of extension pipe (7) has liquid taking pipe (13) to the inside of extension pipe (7) is inserted and is equipped with pull rod (8), the top of pull rod (8) is provided with shutoff piece (10), and shutoff piece (10) run through honeycomb duct (6), and the lower extreme of pull rod (8) is provided with dog (9), is provided with spring (11) between dog (9) and the extension pipe (7) bottom.
2. The expansion joint convenient for liquid sampling detection according to claim 1, wherein a connecting flange (3) is welded at the outer end of the pipe body (1), and a sealing groove is concentrically arranged at the outer end of the connecting flange (3).
3. An expansion joint facilitating liquid sampling detection according to claim 1, characterized in that the bellows (4) is sleeved with a plurality of reinforcing rings (5), and the reinforcing rings (5) are positioned at the bottom between two adjacent turns of the bellows (4).
4. The expansion joint convenient for liquid sampling detection according to claim 1, wherein a through hole matched with the top end of the plugging block (10) is formed in the flow guide pipe (6), the top end of the plugging block (10) is clamped in the through hole, and an interval is arranged between the plugging block (10) and the inner wall of the extension pipe (7).
5. The expansion joint convenient for liquid sampling detection according to claim 1, wherein a liquid taking port (12) is arranged on one side of the lower end of the extension pipe (7), and the liquid taking pipe (13) is in threaded connection with the liquid taking port (12).
6. An expansion joint facilitating liquid sampling detection according to claim 5, characterized in that the stopper (9) covers the liquid taking port (12) when the spring (11) is in a natural state.
7. An expansion joint facilitating liquid sampling detection according to claim 5, characterized in that the liquid taking pipe (13) is provided with a visual window, and one side of the visual window is provided with scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320319445.0U CN219673651U (en) | 2023-02-27 | 2023-02-27 | Expansion joint convenient for liquid sampling detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320319445.0U CN219673651U (en) | 2023-02-27 | 2023-02-27 | Expansion joint convenient for liquid sampling detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673651U true CN219673651U (en) | 2023-09-12 |
Family
ID=87895486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320319445.0U Active CN219673651U (en) | 2023-02-27 | 2023-02-27 | Expansion joint convenient for liquid sampling detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673651U (en) |
-
2023
- 2023-02-27 CN CN202320319445.0U patent/CN219673651U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219673651U (en) | Expansion joint convenient for liquid sampling detection | |
| CN110441096A (en) | Transformer gas gas producing device | |
| CN208296909U (en) | A kind of Venturi tube | |
| CN211040122U (en) | Anti-leakage blocking device for petroleum gathering pipeline | |
| CN206290871U (en) | Hydraulic oil sampling device of airplane hydraulic system | |
| CN213121317U (en) | Multipoint full-section flue gas flow sampling device | |
| CN210834340U (en) | Transformer gas production device | |
| CN204789168U (en) | Tubular product pressure testing device | |
| CN209727175U (en) | A kind of high accurate hole flowmeter | |
| CN207923230U (en) | A kind of Deltaflow meter mounting structure | |
| CN216923585U (en) | Hose joint | |
| CN214254260U (en) | Flow switch with waterproof function | |
| CN218094927U (en) | Pipeline geometric deformation detector | |
| CN215573632U (en) | Novel can avoid pressure measurement of particulate matter impact device | |
| CN212180013U (en) | Flowmeter detects mounting structure | |
| CN219139902U (en) | Three-way valve convenient to install | |
| CN210833738U (en) | Fluid meter convenient to use | |
| CN220508131U (en) | High-precision vortex shedding flowmeter | |
| CN220104173U (en) | Crude oil flowmeter with seal structure | |
| CN221142863U (en) | Pile foundation ultrasonic detection tube | |
| CN215374646U (en) | Fixed-point multi-sampling device for water quality detection of sewage pipeline | |
| CN217542962U (en) | PH electrode sensor installation detection device | |
| CN221107783U (en) | Mixer is used in cottonseed oil production | |
| CN219866802U (en) | Telescopic air blowing pipe of air blowing type liquid level meter | |
| CN114484124B (en) | Auxiliary device is connected to three-way pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |