CN218335282U - Cable sealing device of underwater differential pressure transmitter - Google Patents
Cable sealing device of underwater differential pressure transmitter Download PDFInfo
- Publication number
- CN218335282U CN218335282U CN202222534628.2U CN202222534628U CN218335282U CN 218335282 U CN218335282 U CN 218335282U CN 202222534628 U CN202222534628 U CN 202222534628U CN 218335282 U CN218335282 U CN 218335282U
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- differential pressure
- pressure transmitter
- ring
- cable
- binding post
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Abstract
The utility model discloses an underwater differential pressure transmitter cable sealing device, including the differential pressure transmitter body, differential pressure transmitter body binding post on external cable, cable and binding post between through the ring flange seal that has the internal and external screw thread, the less external screw thread end screw in of ring flange diameter to the internal thread of binding post notch inside, the less external screw thread end lateral surface of ring flange diameter processing have annular waterline seal groove of circle, the inside packing of waterline seal groove have the polytetrafluoroethylene packing ring, lateral surface and the ring flange of binding post notch between pack and have the ED sealing washer. The device can carry out better sealed to differential pressure transmitter and cable handing-over position department, improves the reliability of differential pressure transmitter work, reduces the phenomenon such as revealing, corroding in the use simultaneously, satisfies measuring user demand.
Description
Technical Field
The utility model relates to a differential pressure transmitter equipment technical field, more specifically say, relate to a differential pressure transmitter cable seal device under water.
Background
The differential pressure transmitter is mainly used for measuring the liquid level, the density and the pressure of liquid, gas and steam, and then converting the pressure difference between a measured medium and the surrounding environment into a standard current signal of 4-20 mA for output. Among the prior art, partial differential pressure transmitter need be used under water, because operational environment's particularity, mainly is the water pressure problem, and the waterproof problem of its cable conductor wiring position department still does not have fine solution, uses differential pressure transmitter's reliability under water and is not ideal, appears revealing easily when actual measurement medium, phenomenons such as corruption lead to differential pressure transmitter to lose its monitoring function originally, can not satisfy the demand of measuring.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an underwater differential pressure transmitter cable seal device, the device can carry out better sealing to differential pressure transmitter and cable handing-over position department, improves the reliability of differential pressure transmitter work, reduces the phenomenon such as revealing, corroding in the use simultaneously, satisfies measuring user demand.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model provides an underwater differential pressure transmitter cable seal device, includes the differential pressure transmitter body, differential pressure transmitter body binding post on external cable, cable and binding post between through the ring flange seal that has internal and external screw thread, the less external screw thread end screw in of ring flange diameter to the internal thread of binding post notch inside, the less external screw thread end lateral surface processing of ring flange diameter have annular waterline seal groove, waterline seal groove inside pack have the polytetrafluoroethylene packing ring, lateral surface and ring flange of binding post notch between pack the ED sealing washer, the internal screw thread off-plate side of ring flange central through-hole screw in hollow bolt, hollow bolt inwards screw up fixed waterproof circle and sealing ring, the sealing ring cross section be the spill just the concave region inside from outside to inside fill rubber circle and copper ring in proper order.
Furthermore, the waterproof ring and the sealing ring are filled in the central through hole of the flange plate.
Furthermore, the length of the external thread end with the smaller diameter of the flange plate is the same as the depth of the notch of the wiring terminal.
Furthermore, a sealing gasket is arranged at the joint position of the hollow bolt and the flange plate.
Further, the height of the depression of the cross section of the sealing ring is half of the thickness of the cross section of the sealing ring.
Furthermore, the differential pressure transmitter body is arranged on the underwater pipeline to be tested.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a set up sealing device in cable junction position department, can play better sealed effect, through parts such as ED sealing washer, waterline seal, waterproof circle and sealing ring, play multiple sealed effect, improve the reliability of differential pressure transmitter work, reduce the phenomenon such as revealing, corroding in the use simultaneously, satisfy measuring user demand.
Drawings
Fig. 1 is a schematic view of the sealing device of the present invention in a disassembled structure (a part of the housing is cut away);
fig. 2 is a schematic structural view of the waterproof ring and the sealing ring of the present invention (a part of the outer shell is cut away);
in the figure: 1. a differential pressure transmitter body; 2. a wiring terminal; 3. a cable; 4. a flange plate; 5. a polytetrafluoroethylene gasket; 6. an ED seal ring; 7. a hollow bolt; 8. a sealing gasket; 9. a seal ring; 10. a copper ring; 11. a rubber ring; 12. a waterproof ring; 13. waterline seal groove.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the utility model easy to understand and understand, the utility model is further explained by combining with the specific figures.
As the split structure diagram shown in fig. 1, the sealing device of the application is arranged at the connecting position of a wiring terminal 2 and a cable 3 of a differential pressure transmitter body 1, a flange plate 4 and a wiring terminal notch are sealed by an ED sealing ring 6 and a polytetrafluoroethylene gasket 5, and the flange plate 4 and the cable 3 are sealed by a waterproof ring 12 and a sealing ring 9;
as shown in fig. 2, the polytetrafluoroethylene gasket 5 is embedded into the waterline sealing groove 13, and the concave area of the sealing ring 9 is sequentially filled with a rubber ring 11 and a hard copper ring 10 for sealing;
when the cable is installed, after the cable 3 and the wiring terminal 2 are connected, an ED sealing ring 6 is sleeved on the inner side of the flange plate 4, a polytetrafluoroethylene gasket 5 is filled in a water line sealing groove 13, the flange plate 4 is screwed into the notch of the wiring terminal through a tool in a rotating mode, then a waterproof ring 12 and a sealing ring 9 are sequentially embedded into a central through hole of the flange plate 4, a rubber ring 11 and a hard copper ring 10 are filled in a concave area of the sealing ring 9 in advance, a hollow bolt 7 which is sleeved on the cable 3 on the outer side and provided with a sealing ring 8 is screwed into the central through hole of the flange plate 4 through a tool in a rotating mode, the waterproof ring 12 and the sealing ring 9 are pushed inwards to the inner end face of the notch of the wiring terminal, and double-layer screwing sealing is carried out through the flange plate 4 and the hollow bolt 7.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an underwater differential pressure transmitter cable sealing device, includes the differential pressure transmitter body, differential pressure transmitter body binding post go up external cable, its characterized in that: cable and binding post between through the ring flange seal that has internal and external screw thread, the less external screw thread end screw in of ring flange diameter to the internal thread inside of binding post notch, the less external screw thread end lateral surface processing of ring flange diameter have annular waterline seal groove, waterline seal groove inside packing have the polytetrafluoroethylene packing ring, binding post notch lateral surface and ring flange between pack and have the ED sealing washer, the internal thread off-plate side of ring flange central through-hole go into hollow bolt, hollow bolt inwards screw up fixed waterproof circle and sealing ring, the sealing ring cross section be the spill just the concave region inside from outside to inside fill rubber circle and copper ring in proper order.
2. The subsea differential pressure transmitter cable seal arrangement of claim 1, wherein: the waterproof ring and the sealing ring are filled in the central through hole of the flange plate.
3. The subsea differential pressure transmitter cable seal arrangement of claim 1, wherein: the length of the external thread end with the smaller diameter of the flange plate is the same as the depth of the notch of the wiring terminal.
4. The subsea differential pressure transmitter cable seal arrangement of claim 1, wherein: and a sealing gasket is arranged at the joint of the hollow bolt and the flange plate.
5. The subsea differential pressure transmitter cable seal arrangement of claim 1, wherein: the height of the depression of the cross section of the sealing ring is half of the thickness of the cross section of the sealing ring.
6. The subsea differential pressure transmitter cable seal arrangement of claim 1, wherein: the differential pressure transmitter body is arranged on the underwater pipeline to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222534628.2U CN218335282U (en) | 2022-09-23 | 2022-09-23 | Cable sealing device of underwater differential pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222534628.2U CN218335282U (en) | 2022-09-23 | 2022-09-23 | Cable sealing device of underwater differential pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218335282U true CN218335282U (en) | 2023-01-17 |
Family
ID=84819473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222534628.2U Active CN218335282U (en) | 2022-09-23 | 2022-09-23 | Cable sealing device of underwater differential pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218335282U (en) |
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2022
- 2022-09-23 CN CN202222534628.2U patent/CN218335282U/en active Active
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