CN212363538U - Pressure transmitter with detachable cable - Google Patents
Pressure transmitter with detachable cable Download PDFInfo
- Publication number
- CN212363538U CN212363538U CN202021149161.4U CN202021149161U CN212363538U CN 212363538 U CN212363538 U CN 212363538U CN 202021149161 U CN202021149161 U CN 202021149161U CN 212363538 U CN212363538 U CN 212363538U
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- signal conversion
- cable
- conversion plate
- mounting base
- base
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Abstract
The utility model relates to the field of pressure transmitters, in particular to a detachable pressure transmitter for cables, which comprises an installation base and a rubber sleeve; a sealing gasket and a pressure sensitive element are arranged in the mounting base, the upper part of the pressure sensitive element is fixedly mounted on the mounting base through a locking nut, a signal conversion plate is arranged above the locking nut, and a signal conversion plate shell is arranged outside the signal conversion plate; the rubber sleeve covers the cable inlet end, a base is fixedly arranged at the lower end of the rubber sleeve, and the base is connected with the signal conversion plate shell through the matching action of four groups of inner hexagonal cylindrical screws and spring washers; the detachable cable type input pressure transmitter enables the pressure transmitter and the signal transmission cable to be detachable, if the transmitter needs to be maintained or replaced, the signal transmission cable does not need to be replaced at the same time, the defect that the transmitter and the signal transmission cable are integrally replaced when the transmitter is used is overcome, and meanwhile, unnecessary replacement of the signal transmission cable can be avoided, and the maintenance cost is increased.
Description
Technical Field
The utility model relates to a pressure transmitter equipment field specifically is a be used for removable type pressure transmitter of cable.
Background
The pressure type liquid level transmitter is a pressure transmitter for measuring liquid level, comprises a static pressure liquid level meter, a liquid level transmitter, a liquid level sensor, a water level sensor and the like, is based on the principle that the pressure generated by the measured liquid is proportional to the depth of the liquid, adopts a pressure sensitive element to convert the liquid pressure monitored by the pressure sensitive element into an electric signal, and converts the electric signal into a standard electric signal pressure type liquid level transmitter with 4-20 mA/1-5 VDC and the like through temperature compensation and linear correction.
In practical use, especially under some complex installation environment conditions, such as application occasions of measuring a ship ballast water tank, a fuel oil tank, a cargo oil tank and the like, the pressure transmitter needs to be immersed in measured liquid for application, and therefore a watertight cable is needed to be arranged to meet the protection requirement of IP 68; in these application occasions, the transmitter and the monitoring instrument may be far away, and when the transmitter breaks down and needs to be repaired or replaced, the transmitter and the waterproof cable need to be replaced together, so that the actual construction is inconvenient, and meanwhile, the use and maintenance cost is increased.
To the problem in the above-mentioned background art, the utility model aims at providing a be used for removable type pressure transmitter of cable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for cable detachable type pressure transmitter to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a pressure transmitter for a detachable cable type comprises a mounting base and a rubber sleeve; a sealing gasket and a pressure sensitive element are arranged in the mounting base, and the upper part of the pressure sensitive element in the mounting base is fixedly mounted on the mounting base through a locking nut; a signal conversion plate is vertically installed and fixed above the locking nut through a firm screw, a plug-in type wiring terminal is fixedly welded at the upper end of the signal conversion plate, a signal conversion plate shell is arranged outside the signal conversion plate, and the signal conversion plate shell and the installation base are connected and fixed in an interference fit mode through internal and external threads;
the rubber sleeve covers the cable inlet end, a base is fixedly arranged at the lower end of the rubber sleeve, and the base is connected with the signal conversion plate shell through the matching action of four groups of inner hexagonal cylindrical screws and spring washers; an elastic check ring for holes is arranged in the inner hole groove of the base, and the cable is cast and filled with silica gel after passing through the elastic check ring for holes; in addition, the base, the rubber sleeve and the cable are connected into a whole by adopting a rubber vulcanization process, and once the connection is completed, the base, the rubber sleeve and the cable cannot be detached.
Compared with the prior art, the beneficial effects of the utility model are that:
the detachable cable type input pressure transmitter enables the pressure transmitter and the signal transmission cable to be detachable in design, when the detachable cable type input pressure transmitter is used, if the transmitter needs to be maintained or replaced, the signal transmission cable does not need to be replaced at the same time, the problem that the transmitter and the signal transmission cable are integrally replaced when the detachable cable type input pressure transmitter is used is solved, and meanwhile, unnecessary replacement of the signal transmission cable can be avoided, and the increase of maintenance cost is caused.
Drawings
In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of a pressure transmitter with a detachable cable according to an embodiment of the present invention.
In the figure: 1-mounting a base, 2-sealing gaskets, 3-pressure sensitive elements, 4-O-shaped sealing rings, 5-locking nuts, 6-signal conversion plates, 7-signal conversion plate shells, 8-insulating paper, 9-butting flanges, 10-O-shaped rings, 11-inner hexagonal cylindrical screws, 12-spring washers, 13-elastic check rings, 14-bases, 15-rubber sleeves, 16-cables, 17-silica gel and 18-wiring terminals.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
Referring to fig. 1, in an embodiment of the present invention, a detachable cable pressure transmitter includes an installation base 1 and a rubber sleeve 15; a sealing gasket 2 and a pressure sensitive element 3 are arranged in the mounting base 1, and the upper part of the pressure sensitive element 3 in the mounting base 1 is fixedly mounted on the mounting base 1 through a locking nut 5; a signal conversion plate 6 is vertically and fixedly arranged above the locking nut 5 through a firm screw, a plug-in type wiring terminal 18 is fixedly welded at the upper end of the signal conversion plate 6, a signal conversion plate shell 7 is arranged outside the signal conversion plate 6, and the signal conversion plate shell 7 and the mounting base 1 are fixedly connected in an interference fit mode through internal and external threads;
the rubber sleeve 15 covers the incoming line end of the cable 16, a base 14 is fixedly arranged at the lower end of the rubber sleeve 15, and the base 14 is connected with the signal conversion plate shell 7 through the matching action of four groups of hexagon socket head cap screws 11 and spring washers 12; an elastic retainer ring 13 for holes is arranged in a hole groove in the base 14, and a cable 16 passes through the elastic retainer ring 13 for holes and then is cast and filled with silica gel 17; in addition, the base 14, the rubber sleeve 15 and the cable 16 are integrally connected by a rubber vulcanization process, and once completed, cannot be removed.
Furthermore, a butt flange 9 is fixedly arranged at the upper end of the signal conversion plate shell 7, and an O-shaped ring 10 is arranged in an O-shaped ring groove on the flange surface of the butt flange 9;
furthermore, an O-shaped ring groove is formed in the outer portion of the mounting base 1, and an O-shaped sealing ring 4 is arranged in the O-shaped ring groove.
Further, an insulating paper 8 is provided between the signal conversion plate 6 and the signal conversion plate case 7.
The embodiment of the utility model provides a theory of operation is:
the cable detachable type input pressure transmitter has the following advantages:
firstly, it has adopted the rubber sulphur technology to fix cable 16 and special base 14 as an organic whole, has improved signal conversion board shell 7 of changer simultaneously, has increased a flange 9, adopts the O shape sealing washer groove of standard two-way seal structure design at flange 9 contact surface, imbeds O shape sealing washer 4 during the installation, connects flange 9 cable 16 and base 14 into an organic whole with hexagon socket head cap screw 11, can guarantee IP68 protection level requirement. When the transmitter needs to be maintained and replaced, only the transmitter part needs to be dismantled and directly replaced;
secondly, after the cables 16 penetrate through the base 14, a method of filling silica gel 17 for plugging is adopted, gaps among the cables 16 are completely filled, and the defect that liquid possibly permeates once an outer sheath of the cables 16 is damaged due to the fact that gaps among the cables 16 exist is avoided.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A pressure transmitter for a cable disconnect type, comprising: comprises a mounting base (1) and a rubber sleeve (15); the method is characterized in that:
a sealing gasket (2) and a pressure sensitive element (3) are arranged in the mounting base (1), and the upper part of the pressure sensitive element (3) in the mounting base (1) is fixedly mounted on the mounting base (1) through a locking nut (5); a signal conversion plate (6) is vertically installed and fixed above the locking nut (5) through a firm screw, a plug-in type wiring terminal (18) is fixedly welded at the upper end of the signal conversion plate (6), and a signal conversion plate shell (7) is arranged outside the signal conversion plate (6);
the rubber sleeve (15) covers the wire inlet end of the cable (16), a base (14) is fixedly arranged at the lower end of the rubber sleeve (15), and the base (14) is connected with the signal conversion plate shell (7) through the matching action of four groups of hexagon socket head cap screws (11) and spring washers (12); a hole circlip (13) is arranged in an inner hole groove of the base (14), and a cable (16) is filled with silica gel (17) after passing through the hole circlip (13).
2. The pressure transmitter for cable disconnectable types according to claim 1, characterized in that: the upper end of the signal conversion plate shell (7) is fixedly provided with a butt flange (9), the flange surface of the butt flange (9) is provided with an O-shaped ring groove, and an O-shaped ring (10) is arranged in the O-shaped ring groove of the butt flange (9).
3. The pressure transmitter for cable disconnectable types according to claim 1, characterized in that: an O-shaped ring groove is formed in the outer portion of the mounting base (1), and an O-shaped sealing ring (4) is arranged in the O-shaped ring groove of the mounting base (1).
4. The pressure transmitter for cable disconnectable types according to claim 1, characterized in that: and an insulating paper (8) is arranged between the signal conversion plate (6) and the signal conversion plate shell (7).
5. The pressure transmitter for cable disconnectable types according to claim 4, characterized in that: the signal conversion board shell (7) and the mounting base (1) are connected and fixed in an interference fit mode through internal and external threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021149161.4U CN212363538U (en) | 2020-06-19 | 2020-06-19 | Pressure transmitter with detachable cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021149161.4U CN212363538U (en) | 2020-06-19 | 2020-06-19 | Pressure transmitter with detachable cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212363538U true CN212363538U (en) | 2021-01-15 |
Family
ID=74151357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021149161.4U Expired - Fee Related CN212363538U (en) | 2020-06-19 | 2020-06-19 | Pressure transmitter with detachable cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212363538U (en) |
-
2020
- 2020-06-19 CN CN202021149161.4U patent/CN212363538U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 Termination date: 20210619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |