CN220913040U - PH analyzer - Google Patents
PH analyzer Download PDFInfo
- Publication number
- CN220913040U CN220913040U CN202322427204.0U CN202322427204U CN220913040U CN 220913040 U CN220913040 U CN 220913040U CN 202322427204 U CN202322427204 U CN 202322427204U CN 220913040 U CN220913040 U CN 220913040U
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- China
- Prior art keywords
- sealing
- clamping sleeve
- rod
- wall
- joint
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- 238000007789 sealing Methods 0.000 claims abstract description 55
- 229910000619 316 stainless steel Inorganic materials 0.000 claims abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a PH analyzer, which comprises a flange fixing plate, a shielding rod and a PH electrode, wherein the PH electrode is arranged on the inner wall of the shielding rod and is close to the lower end position. According to the utility model, the electrode sheath is made of 316 stainless steel and is arranged on a pipeline in a flange fixing plate mode, the whole structure is more firm, a better protective effect is achieved on a PH electrode, during online maintenance, the shielding rod can be pulled out upwards by loosening the second clamping sleeve joint, in the pulling-out process, a test medium is prevented from overflowing through the sealing ring, when the elastic pin is pulled into the anti-drop groove, the ball valve can be closed, the connection pipe and the sealing pipe joint are cut off, the shielding rod can be pulled out for replacement by removing the first clamping sleeve joint, and when the test medium is a pressure medium, the safety accident problem caused by pushing out the shielding rod by the pressure in the pipeline after the second clamping sleeve joint is loosened is also solved.
Description
Technical Field
The utility model relates to the technical field of online PH value detection, in particular to a PH analyzer convenient for online maintenance.
Background
In the prior art, the PH test electrode is directly fixed on the outer wall of a pipeline through a fixed flange, when maintenance is needed, the pipeline requiring transportation medium is required to be closed, the pipeline is adjusted to be in a shutdown state, then bolts of the fixed flange are loosened, the fixed flange and the PH test electrode are detached together, and the PH test electrode is quickly covered by a blind plate, so that the following defects exist in the process:
1. The PH test electrode has poor external protection, is mainly supported by nylon or other plastics, and is easy to break during disassembly and assembly;
2. the installation is inconvenient, and the replacement can be performed only in a shutdown state;
3. the test medium is often easy to overflow during the replacement process;
In order to solve the above-mentioned drawbacks, it is necessary to improve the existing PH analyzer installation protection structure for the pipeline.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a PH analyzer.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the PH analyzer comprises a flange fixing plate, a shielding rod and a PH electrode, wherein the PH electrode is arranged on the inner wall of the shielding rod and is close to the lower end of the shielding rod;
The electrode sheath is made of 316 stainless steel.
As a further description of the above technical solution:
The valve structure is a ball valve which is in threaded connection between the sealing pipe joint and the connecting pipe.
As a further description of the above technical solution:
The sealing structure comprises a sealing groove and a sealing ring, wherein the sealing groove is arranged on the inner side wall of the sealing pipe joint, the sealing ring is sleeved on the inner side wall of the sealing groove, and the inner side wall of the sealing ring is in sliding connection with the outer wall of the lower rod.
As a further description of the above technical solution:
The compressing structure is a second clamping sleeve joint, the second clamping sleeve joint is in threaded connection with one end, far away from the sealing pipe joint, of the first clamping sleeve joint, and the upper rod penetrates through the inner wall of the second clamping sleeve joint and is in sliding connection with the second clamping sleeve joint.
As a further description of the above technical solution:
The anti-drop structure includes anticreep groove, bullet round pin, first cutting ferrule connects the lateral wall and is located the spacing intra-annular side and is provided with the pinhole, bullet round pin sliding connection is at the pinhole inside wall, bullet round pin comprises bullet round pin seat, bullet round pin head, bullet round pin seat and pinhole inside wall sliding connection just are located the one end that the pinhole is close to the spacing ring, be provided with the spring between bullet round pin seat and the spacing intra-annular side wall, bullet round pin head sets up the one end of keeping away from the spacing ring at bullet round pin seat, bullet round pin seat's one end is kept away from and is run through pinhole inside wall and with shielding rod outer wall sliding connection.
As a further description of the above technical solution:
The anti-drop groove is arranged on the outer wall of the lower rod and is positioned at one end close to the electrode sheath.
The utility model has the following beneficial effects:
1. Compared with the prior art, the PH analyzer has the advantages that the electrode sheath is made of 316 stainless steel and is arranged on a pipeline in the form of a flange fixing plate, so that the PH analyzer is more firm in overall structure and has a better protection effect on PH electrodes.
2. Compared with the prior art, this PH analyzer, during on-line maintenance, loosen the second cutting ferrule joint and can upwards extract the shielding rod, extract the in-process, prevent through the sealing washer that test medium from spilling over, when extracting to the bullet round pin bullet and go into the anticreep groove in, can close the ball valve, cut off between connecting pipe and the sealed pipe joint, pull out the shielding rod again and change when first cutting ferrule joint can extract the shielding rod, when test medium is pressure medium, through bullet round pin and anticreep groove, also play and avoid the relief accident problem that the pipeline internal pressure is released the shielding rod after the second cutting ferrule joint and is released and cause.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of a PH analyzer according to the present utility model;
FIG. 2 is a schematic cross-sectional view showing the whole structure of the PH analyzer according to the present utility model;
FIG. 3 is an enlarged view of a portion of the PH analyzer shown in FIG. 2A;
FIG. 4 is a partial enlarged view of the PH analyzer shown in FIG. 2B according to the present utility model
FIG. 5 is an enlarged view of a portion of the PH analyzer shown in FIG. 2C
Fig. 6 is a partial enlarged view of the PH analyzer of fig. 2D according to the present utility model.
Legend description:
1. A flange fixing plate; 2. a connecting pipe; 3. a ball valve; 4. sealing pipe connection; 5. a first ferrule joint; 6. a second ferrule fitting; 7. a pole is arranged; 8. a limiting ring; 9. a lower rod; 10. an anti-drop groove; 11. an electrode sheath; 12. a PH electrode; 13. sealing grooves; 14. a seal ring; 15. a pin hole; 16. a spring pin seat; 17. a spring; 18. and (5) bouncing the pin head.
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. 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.
Referring to fig. 1 to 6, the present utility model provides a PH analyzer: the device comprises a flange fixing plate 1, a shielding rod and a PH electrode 12 which is arranged on the inner wall of the shielding rod and is close to the lower end position, wherein a connecting pipe 2 is fixedly connected to the upper wall of the flange fixing plate 1, one end of the connecting pipe 2, which is far away from the flange fixing plate 1, is in threaded connection with a sealing pipe joint 4, a valve structure for controlling on-off is arranged between the sealing pipe joint 4 and the connecting pipe 2, the valve structure is a ball valve 3, the ball valve 3 is in threaded connection between the sealing pipe joint 4 and the connecting pipe 2, the sealing pipe joint 4 and the connecting pipe 2 are in threaded connection through the valve structure, when the device is used, the ball valve 3 is opened, a lower rod 9 penetrates through a valve core in the ball valve 3, and when online maintenance is needed, the lower rod 9 is pulled out upwards to be separated from the height of the ball valve 3, and the sealing pipe joint 4 and the connecting pipe 2 can be cut off by closing the ball valve 3, so as to avoid overflow of test media;
The sealing pipe joint 4 is far away from one end of the connecting pipe 2 and is connected with a first cutting sleeve joint 5 in a threaded manner, the outer wall of the first cutting sleeve joint 5 is connected with a limiting ring 8 in a threaded manner at a position close to the lower end, a shielding rod sequentially penetrates through the first cutting sleeve joint 5, the sealing pipe joint 4, a valve structure, the connecting pipe 2 and the flange fixing plate 1 from top to bottom and stretches out towards the lower wall of the flange fixing plate 1, the shielding rod consists of an upper rod 7 and a lower rod 9 which are distributed up and down, the diameter of the lower rod 9 is larger than that of the upper rod 7, a PH electrode 12 is fixedly connected to the lower end of the lower rod 9 and extends towards one end far away from the upper rod 7, an electrode sheath 11 is fixedly connected to the outer wall of the PH electrode 12 and the lower end of the lower rod 9, a sealing structure for sealing is arranged on the inner side wall of the sealing pipe joint 4, the sealing structure comprises a sealing groove 13 and a sealing ring 14, the sealing groove 13 is arranged on the inner side wall of the sealing groove 13, the sealing ring 14 is sleeved on the inner side wall of the sealing groove 13, and the inner wall of the sealing ring 9 is in a sliding connection with the outer wall of the lower rod 9, and the sliding connection of the inner side wall of the sealing ring 14 and the inner wall of the lower rod 9 is pulled up is in the process of the upper rod 9 is pulled up;
The end, far away from the sealed pipe joint 4, of the first clamping sleeve joint 5 is provided with a pressing structure for pressing the shielding rod, the pressing structure is a second clamping sleeve joint 6, the second clamping sleeve joint 6 is in threaded connection with the end, far away from the sealed pipe joint 4, of the first clamping sleeve joint 5, the upper rod 7 penetrates through the inner wall of the second clamping sleeve joint 6 and is in sliding connection with the inner wall of the second clamping sleeve joint, the inner side wall of the second clamping sleeve joint 6 is in sliding connection with the outer wall of the upper rod 7, when the second clamping sleeve joint 6 is in threaded connection with the first clamping sleeve joint 5, the diameter of the shielding rod is larger than that of the upper rod 7 due to the fact that the lower rod 9 is larger than that of the upper rod 7, so that the shielding rod cannot be pulled out upwards to play a role in pressing, and when disassembly is needed, the second clamping sleeve joint 6 is removed at first;
An anti-falling structure for avoiding accidental falling off when the shielding rod is dismounted is arranged between the first clamping sleeve joint 5 and the shielding rod, the anti-falling structure comprises an anti-falling groove 10 and a spring pin, the side wall of the first clamping sleeve joint 5 is provided with a pin hole 15 at the inner side of the limiting ring 8, the spring pin is slidingly connected to the inner side wall of the pin hole 15 and consists of a spring pin seat 16 and a spring pin head 18, the spring pin seat 16 is slidingly connected with the inner side wall of the pin hole 15 and is positioned at one end of the pin hole 15 close to the limiting ring 8, the spring pin head 18 is arranged at one end of the spring pin seat 16 far from the limiting ring 8, one end of the spring pin head 18 far from the spring pin seat 16 penetrates through the inner side wall of the pin hole 15 and is slidingly connected with the outer wall of the shielding rod, the anti-falling groove 10 is arranged at the outer wall of the lower rod 9 and is positioned at one end close to the electrode sheath 11, and during online maintenance, the shielding rod can be pulled up in order to avoid the problem that a test medium overflows when the spring pin is clamped into the anti-falling off groove 10, the ball valve 3 can be closed, and then the anti-falling off structure can be completely ejected out of the shielding rod in a mode by dismounting the first clamping sleeve joint 5 when the anti-falling off structure is completely;
The electrode sheath 11 is made of 316 stainless steel, and the electrode sheath 11 made of 316 stainless steel has better protection effect.
Working principle: when the second cutting ferrule joint 6 is in threaded connection with the first cutting ferrule joint 5, the diameter of the lower rod 9 is larger than that of the upper rod 7, so that the shielding rod cannot be pulled up to play a role of compaction, when the second cutting ferrule joint 6 is required to be detached, the ball valve 3 is opened when the second cutting ferrule joint is used, the lower rod 9 penetrates through a valve core in the ball valve 3, when online maintenance is required, the lower rod 9 is pulled up to a height away from the ball valve 3, the ball valve 3 can be closed to cut off the sealed pipe joint 4 and the connecting pipe 2, the test medium is prevented from overflowing, in the process of pulling up the lower rod 9, the sealing inside a pipeline is kept through the sliding connection between the inner side wall of the sealing ring 14 and the outer wall of the lower rod 9, and the shielding rod can be pulled up after the second cutting ferrule joint 6 is detached during online maintenance, in order to avoid the problem that the test medium overflows due to complete pulling out, the ball valve 3 can be closed after the ball valve pin is clamped into the anti-drop groove 10, the problem that the shielding rod is completely pulled out through the mode of detaching the first cutting ferrule joint 5, and the problem of directly pushing out the shielding rod when the pressure exists in the pipeline can be avoided; the electrode sheath 11 is made of 316 stainless steel, and the electrode sheath 11 made of 316 stainless steel has better protection effect.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
- PH analysis appearance, including flange ring flange (1), shielding pole and set up at shielding pole inner wall and be close to PH electrode (12) of lower extreme position, its characterized in that: the utility model discloses a sealing structure for the electrode of the electric motor, which comprises a flange fixed disk (1), a connecting pipe (2) fixedly connected with the upper wall of the flange fixed disk (1), one end threaded connection of the connecting pipe (2) away from the flange fixed disk (1) is provided with a sealing pipe joint (4), a valve structure for controlling on-off is arranged between the sealing pipe joint (4) and the connecting pipe (2), the sealing pipe joint (4) is in threaded connection with a first clamping sleeve joint (5) through the valve structure, one end threaded connection of the sealing pipe joint (4) away from the connecting pipe (2), the outer wall of the first clamping sleeve joint (5) is in threaded connection with a limiting ring (8) near the lower end position, the shielding rod sequentially penetrates through the first clamping sleeve joint (5), the sealing pipe joint (4), the valve structure, the connecting pipe (2) and the flange fixed disk (1) towards the lower wall of the flange fixed disk (1), the shielding rod consists of an upper rod (7) distributed up and down, a lower rod (9), the diameter of the lower rod (9) is larger than that of the upper rod (7), a PH electrode (12) is fixedly connected with the lower rod (9) and extends towards the upper end (9) and is arranged at one end of the sealing structure (11) away from the lower end of the sealing pipe joint (4), one end of the first clamping sleeve joint (5) far away from the sealing pipe joint (4) is provided with a pressing structure for pressing the shielding rod, and an anti-falling structure for avoiding unexpected falling-off when the shielding rod is detached is arranged between the first clamping sleeve joint (5) and the shielding rod;the electrode sheath (11) is made of 316 stainless steel.
- 2. The PH analyzer of claim 1, wherein: the valve structure is a ball valve (3), and the ball valve (3) is in threaded connection between the sealing pipe joint (4) and the connecting pipe (2).
- 3. The PH analyzer of claim 2, wherein: the sealing structure comprises a sealing groove (13) and a sealing ring (14), wherein the sealing groove (13) is arranged on the inner side wall of the sealing pipe joint (4), the sealing ring (14) is sleeved on the inner side wall of the sealing groove (13), and the inner side wall of the sealing ring (14) is in sliding connection with the outer wall of the lower rod (9).
- 4. A PH analyzer according to claim 3, wherein: the compressing structure is a second clamping sleeve connector (6), the second clamping sleeve connector (6) is in threaded connection with one end, far away from the sealing pipe connector (4), of the first clamping sleeve connector (5), and the upper rod (7) penetrates through the inner wall of the second clamping sleeve connector (6) and is in sliding connection with the second clamping sleeve connector.
- 5. The PH analyzer of claim 4, wherein: the anti-drop structure comprises an anti-drop groove (10) and a spring pin, wherein the side wall of the first clamping sleeve connector (5) is provided with a pin hole (15) on the inner side of the limiting ring (8), the spring pin is slidably connected to the inner side wall of the pin hole (15), the spring pin consists of a spring pin seat (16) and a spring pin head (18), the spring pin seat (16) is slidably connected to the inner side wall of the pin hole (15) and is located at one end of the pin hole (15) close to the limiting ring (8), a spring (17) is arranged between the spring pin seat (16) and the inner side wall of the limiting ring (8), the spring pin head (18) is arranged at one end of the spring pin seat (16) away from the limiting ring (8), and one end of the spring pin head (18) is far away from the spring pin seat (16) penetrates through the inner side wall of the pin hole (15) and is slidably connected with the outer wall of the shielding rod.
- 6. The PH analyzer of claim 5, wherein: the anti-falling groove (10) is arranged on the outer wall of the lower rod (9) and is positioned at one end close to the electrode sheath (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322427204.0U CN220913040U (en) | 2023-09-07 | 2023-09-07 | PH analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322427204.0U CN220913040U (en) | 2023-09-07 | 2023-09-07 | PH analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220913040U true CN220913040U (en) | 2024-05-07 |
Family
ID=90915696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322427204.0U Active CN220913040U (en) | 2023-09-07 | 2023-09-07 | PH analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220913040U (en) |
-
2023
- 2023-09-07 CN CN202322427204.0U patent/CN220913040U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |