CN208313499U - A kind of digital pressure gauge - Google Patents
A kind of digital pressure gauge Download PDFInfo
- Publication number
- CN208313499U CN208313499U CN201820720874.8U CN201820720874U CN208313499U CN 208313499 U CN208313499 U CN 208313499U CN 201820720874 U CN201820720874 U CN 201820720874U CN 208313499 U CN208313499 U CN 208313499U
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- CN
- China
- Prior art keywords
- connecting tube
- display
- pressure gauge
- digital pressure
- rubber ring
- 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.)
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Abstract
The utility model discloses a kind of digital pressure gauges, including connecting tube and display, the display bottom center is welded with connecting tube, elastic rubber ring is socketed in the connecting tube, it is located at below elastic rubber ring on the connecting tube appearance wall and offers thread groove, is located above elastic rubber ring in the connecting tube and is threaded with fastening nut.In the utility model, connecting tube is threaded on tested pipeline by thread groove, the elastic rubber ring inlay card being socketed in connecting tube at this time is in tested pipeline, it is auxiliarily fixed again by fastening nut, to effectively raise the stability of the connection of connecting tube and the leakproofness of connecting tube junction.
Description
Technical field
The utility model relates to digital pressure gauge technical field more particularly to a kind of digital pressure gauges.
Background technique
Pressure gauge (English name: pressure gauge) refers to using elastic element as sensing element, measures and indicates height
In the instrument of environmental pressure, application is extremely widespread, it almost spreads all industrial flow and scientific research field.Heat distribution pipe network,
The fields such as oil gas transmission, water and air supply system, vehicle maintenance maintenance factory shop are seen everywhere.Especially in industrial stokehold and technology
In measurement process, since the elastic sensing element of mechanical compression table is with very high mechanical strength and equal spies convenient for production
Property, so that mechanical compression table has been more and more widely used.
However existing digital pressure gauge is in use there is some shortcomings, pressure gauge is connected and fixed
Leakproofness and people's stability are poor, secondly can not automatic timing shut-off, then have the volume of pressure gauge larger, it is inconvenient to carry, use
It is more troublesome, so can not meet the demand of user.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of digital pressure proposed
Table.
To achieve the goals above, the utility model adopts the technical scheme that a kind of digital pressure gauge, including connection
Pipe and display, the display bottom center are welded with connecting tube, and elastic rubber ring is socketed in the connecting tube, described
It is located at below elastic rubber ring on connecting tube appearance wall and offers thread groove, the top of elastic rubber ring is located in the connecting tube
It is threaded with fastening nut, display screen is embedded at display front surface center, the display front surface is located at display
The lower section of screen is embedded with control button, is embedded with battery case at the display back center, and battery inside is connected with battery,
The opening of the battery case is rotatably connected to box cover by hinge, pressure sensor is fixed with inside the connecting tube, and press
Force snesor is connected by conducting wire and the signal adapter of display interior, and the signal adapter is connected with PLC by conducting wire
Controller, and PLC controller is connected with timer by conducting wire, and PLC controller and timer are respectively positioned on the interior of display
Portion.
It is as above-mentioned technical proposal to further describe:
The display screen upper surface is embedded with backlight blank.
It is as above-mentioned technical proposal to further describe:
The output end of the pressure sensor and the input terminal of signal adapter are electrically connected, and the output of signal adapter
End and the input terminal of PLC controller are electrically connected.
It is as above-mentioned technical proposal to further describe:
The input terminal of the output end of the PLC controller and display screen is electrically connected, and the input terminal of PLC controller and fixed
When device output end be electrically connected.
It is as above-mentioned technical proposal to further describe:
It is provided with the fixing bolt for fixing box cover on the box cover, cooperation fixing bolt is offered on the battery case
The bolt hole used.
In the utility model, connecting tube is threaded on tested pipeline by thread groove first, at this time in connecting tube
The elastic rubber ring inlay card of socket is auxiliarily fixed in tested pipeline, then through fastening nut, to effectively raise
Secondly the stability of the connection of connecting tube and the leakproofness of connecting tube junction are embedded with backlight blank on display screen, are convenient for night
Display screen is observed, then is provided with timer, the digital pressure gauge can be worked by timer timing controlled, is realized certainly
Dynamic to close, the effective service life for extending battery, finally the digital pressure gauge, compact-sized, small volume, convenient for taking
Band is provided with battery and improves power supply, do not need external power supply, keeps its use very convenient.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of digital pressure gauge structural schematic diagram；
Fig. 2 be the utility model proposes a kind of digital pressure gauge structure schematic diagram；
Fig. 3 be the utility model proposes a kind of digital pressure gauge schematic diagram of internal structure；
Fig. 4 be the utility model proposes a kind of digital pressure gauge program chart；
Fig. 5 is the structure chart of the utility model display screen.
Marginal data:
1- connecting tube, 2- elastic rubber ring, 3- thread groove, 4- fastening nut, 5- display, 6- control button, 7- are shown
Screen, 8- battery case, 9- battery, 10- box cover, 11- pressure sensor, 12- signal adapter, 13- timer, 14-PLC control
Device, 15- backlight blank.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-5, a kind of digital pressure gauge, including connecting tube 1 and display 5,5 bottom center of display are welded with
Connecting tube 1 is socketed with elastic rubber ring 2 in connecting tube 1, is located at below elastic rubber ring 2 on 1 appearance wall of connecting tube and offers spiral shell
Groove 3, the top that elastic rubber ring 2 is located in connecting tube 1 are threaded with fastening nut 4, embedding at 5 front surface center of display
There is display screen 7, the lower section that 5 front surface of display is located at display screen 7 is embedded with control button 6, is embedded with electricity at 5 back center of display
Pond box 8, and battery 9 is connected with inside battery case 8, the opening of battery case 8 is rotatably connected to box cover 10 by hinge, connection
Pressure sensor 11 is fixed with inside pipe 1, and pressure sensor 11 is connected by the signal adapter 12 inside conducting wire and display 5
It connecing, signal adapter 12 is connected with PLC controller 14 by conducting wire, and PLC controller 14 is connected with timer 13 by conducting wire,
And PLC controller 14 and timer 13 are respectively positioned on the inside of display 5.
7 upper surface of display screen is embedded with backlight blank 15, the input of the output end and signal adapter 12 of pressure sensor 11
End is electrically connected, and the output end of signal adapter 12 and the input terminal of PLC controller 14 are electrically connected, PLC controller 14
The input terminal of output end and display screen 7 is electrically connected, and the input terminal of PLC controller 14 and the output end of timer 13 electrically connect
It connects, the fixing bolt for fixing box cover 10 is provided on box cover 10, the spiral shell that cooperation fixing bolt uses is offered on battery case 8
Keyhole.
Elastic rubber ring 2 is used to improve the leakproofness of connecting tube 1 Yu tested pipeline junction, improves the essence of its pressure detecting
True property, fastening nut improve the stability that connecting tube 1 is connected and fixed with tested pipeline, prevent for connecting tube 1 to be auxiliarily fixed
Pressure is excessive to cause connecting tube 1 to collapse out.
Working principle: in use, the digital pressure gauge is rotated screw thread by the thread groove 3 opened up in connecting tube 1 first
It is connected on tested pipeline, so that the elastic rubber ring 2 being socketed in connecting tube 1 is located inside tested pipeline, then rotational fastener
Connecting tube 1 is auxiliarily fixed with tested pipeline by fastening nut 4, just completes the digital pressure gauge at this time by nut 4
Installation, can use, in use, opening the digital pressure gauge, the acquisition pressure of pressure sensor 11 by control button 6 first
The electric signal of acquisition is converted into digital signal by signal adapter 12, is then being transferred to PLC controller 14 by force data,
PLC controller 14 controls display screen 7 and is shown, while can be worked by 6 control timer 13 of control button, timing controlled
Digital pressure gauge work, realizes automatic Computer Shutdown at Fixed Time, whole device entire run.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of digital pressure gauge, including connecting tube (1) and display (5), which is characterized in that in display (5) bottom
It is welded at the heart connecting tube (1), is socketed with elastic rubber ring (2) on the connecting tube (1), on connecting tube (1) the appearance wall
It is offered thread groove (3) below elastic rubber ring (2), the top spiral shell of elastic rubber ring (2) is located on the connecting tube (1)
Line is connected with fastening nut (4), is embedded with display screen (7) at display (5) the front surface center, table before the display (5)
The lower section that face is located at display screen (7) is embedded with control button (6), is embedded with battery case (8) at display (5) back center, and
It being connected with battery (9) inside battery case (8), the opening of the battery case (8) is rotatably connected to box cover (10) by hinge,
It is fixed with pressure sensor (11) inside the connecting tube (1), and pressure sensor (11) is internal by conducting wire and display (5)
Signal adapter (12) connection, the signal adapter (12) is connected with PLC controller (14) by conducting wire, and PLC control
Device (14) is connected with timer (13) by conducting wire, and PLC controller (14) and timer (13) are respectively positioned on display (5)
It is internal.
2. a kind of digital pressure gauge according to claim 1, which is characterized in that display screen (7) upper surface is embedded with back
Light blank (15).
3. a kind of digital pressure gauge according to claim 1, which is characterized in that the output end of the pressure sensor (11)
It is electrically connected with the input terminal of signal adapter (12), and the output end of signal adapter (12) and PLC controller (14) is defeated
Enter end to be electrically connected.
4. a kind of digital pressure gauge according to claim 1, which is characterized in that the output end of the PLC controller (14)
It is electrically connected with the input terminal of display screen (7), and the input terminal of PLC controller (14) and the output end of timer (13) electrically connect
It connects.
5. a kind of digital pressure gauge according to claim 1, which is characterized in that be provided on the box cover (10) for solid
Determine the fixing bolt of box cover (10), the bolt hole that cooperation fixing bolt uses is offered on the battery case (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820720874.8U CN208313499U (en) | 2018-05-15 | 2018-05-15 | A kind of digital pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820720874.8U CN208313499U (en) | 2018-05-15 | 2018-05-15 | A kind of digital pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208313499U true CN208313499U (en) | 2019-01-01 |
Family
ID=64711510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820720874.8U Active CN208313499U (en) | 2018-05-15 | 2018-05-15 | A kind of digital pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208313499U (en) |
-
2018
- 2018-05-15 CN CN201820720874.8U patent/CN208313499U/en active Active
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| GR01 | Patent grant |