CN207585829U - Rotary type pressure transmitter - Google Patents
Rotary type pressure transmitter Download PDFInfo
- Publication number
- CN207585829U CN207585829U CN201721535791.3U CN201721535791U CN207585829U CN 207585829 U CN207585829 U CN 207585829U CN 201721535791 U CN201721535791 U CN 201721535791U CN 207585829 U CN207585829 U CN 207585829U
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- display
- butt end
- rotary type
- type pressure
- pressure transmitter
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Abstract
The utility model discloses a kind of rotary type pressure transmitters, and including shell, pressure measuring unit and display unit, the shell has butt end, and the cross section profile of the butt end is circle.The pressure measuring unit includes the conducting wire for extending the butt end.The display unit includes display gauge head and display circuit board, the display circuit board is mounted in the display gauge head, the conducting wire is connected on the display circuit board, the display gauge head includes gauge outfit end and connecting seat, the gauge outfit end cap is located at except the butt end, and O-ring is installed between the gauge outfit end and the shell, the connecting seat is fixedly connected with the display gauge head, and the connecting seat is embedded within the butt end and is connected together with the butt end.The rotary type pressure transmitter of the utility model can not only make display gauge head close to 360 ° of rotations, additionally it is possible to good leakproofness and fastness are kept, and compact-sized, it is applied widely.
Description
Technical field
The utility model is related to pressure transmitter, more particularly to a kind of rotary type pressure transmitter.
Background technology
Pressure transmitter refers to export the pressure sensor for standard signal, is that a kind of pressure variations that receive turn in proportion
It is changed to the instrument of standard output signals.It can turn the physical pressures such as gas, liquid that load cell is experienced parameter
Become the electric signal (such as 4-20mADC) of standard, surveyed with supplying the secondary meters such as indicator alarm, recorder, adjuster
Amount, instruction and procedure regulation.In the occasion of operating mode complexity, it is often necessary to which transmitter can show output signal in itself, and be
Person easy to operation observes the reading of transmitter, needs the reading gauge outfit of rotation transducers.There is open gauge outfit can in the prior art
With the pressure transmitter of rotation, some pressure transmitters are rotatable using gear or bearing realization, but can lead to pick-up in this way
The volume of device is big, and weight is big, complicated, and sealing performance is bad.
Utility model content
The technical problems to be solved in the utility model is the gauge outfit rotating part split in order to overcome transmitter in the prior art
Product is big, and weight is big, it is complicated, and sealing performance is bad the defects of, a kind of rotary type pressure transmitter is provided.
The utility model is to solve above-mentioned technical problem by following technical proposals：
A kind of rotary type pressure transmitter, feature be, including：
Shell, the shell have butt end, and the cross section profile of the butt end is circle；
Pressure measuring unit, the pressure measuring unit include the conducting wire for extending the butt end；
Display unit, the display unit include display gauge head and display circuit board, and the display circuit board is mounted on institute
It states in display gauge head, the conducting wire is connected on the display circuit board, and the display gauge head includes gauge outfit end and connecting seat, institute
It states gauge outfit end cap to be located at except the butt end, and O-ring, the connecting seat is installed between the gauge outfit end and the shell
It is fixedly connected with the display gauge head, the connecting seat is embedded within the butt end and is connected together with the butt end.
Butt end cross section profile is circle, consequently facilitating rotational display gauge outfit, connecting seat can ensure that display gauge head is secured
Ground is connected together with shell, and O-ring plays sealing function, while also serves as the medium of display gauge head and shell relative rotation.This
Sample can not only make display gauge head close to 360 ° of rotations, additionally it is possible to keep good leakproofness and fastness.
Preferably, the butt end periphery has seal groove, the O-ring is set in the seal groove.On butt end
Seal groove is provided with, convenient for O-ring is made to be fixed on butt end, so as to which gauge outfit end be made to be rotated relative to O-ring.
Preferably, it is coated with lubricating oil on the O-ring.O-ring, which is coated with lubricating oil, to be occurred in butt end and gauge outfit end
Adequately protect O-ring when relative rotation, reduces the abrasion of O-ring.
Preferably, the O-ring includes outer ring and inner ring, the outer ring than the inner ring closer to the pressure measuring unit,
The diameter in the section of the outer ring is more than the diameter in the section of the inner ring.Double-deck O-ring is capable of providing more excellent close
Envelope, and two seals are thinner successively from outside to inside, form sealing gradient, ensure internal preferable leakproofness.
Preferably, the connecting seat is equipped with threading hole, the conducting wire passes through the threading hole and is connected to the display
Circuit board.Threading hole can effectively protect conducting wire not twisted into two parts when display gauge head rotates.
Preferably, the periphery of the connecting seat has frustum structure, the inside of the shell has step structure, the cone
Platform structure engages with the step structure.Frustum structure and step structure form good snap-in structure, in this way in display gauge head
When rotation, it can ensure firmly to engage always, prevent display gauge head from loosening.
Preferably, the connecting seat is fixedly connected with the display gauge head by encapsulating.Being fixedly connected by encapsulating can
Save the inner space of transmitter, while the good airproof performance of process for filling colloid.
Preferably, the display gauge head has display surface, the display circuit board is fixed by screws in the display surface
Inside, the angle of the display surface and the axis of the butt end is 30 degree to 60 degree, most preferably 45 degree.Display circuit board passes through
Screw is fixed, therefore convenient to overhaul and dismounting.Display surface and the axis of the butt end set certain angle aobvious convenient for rotation
Show gauge outfit, also allow for observation display surface.
Preferably, the pressure measuring unit further includes conversion circuit and temperature compensation plates, the conducting wire is welded on the conversion
On circuit, the conversion circuit is fixed in the temperature compensation plates by contact pin and is electrically connected with the temperature compensation plates.Temperature
Degree compensating plate can exclude the interference of temperature, allow measuring more accurate, conversion circuit can make the signal of transmitter be easy to detect.
Preferably, the display circuit board is the circuit board that LED backlit display is configured, this makes it possible to ensure very weak
Light under observe data, have stronger adaptability.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can arbitrarily combine to get the utility model respectively compared with
Good example.
The positive effect of the utility model is：The rotary type pressure transmitter of the utility model can not only make
Display gauge head is rotated close to 360 °, additionally it is possible to good leakproofness and fastness are kept, and compact-sized, it is applied widely.
Description of the drawings
Fig. 1 is the structure diagram of the rotary type pressure transmitter of the utility model preferred embodiment.
Fig. 2 is the close-up schematic view of part A in Fig. 1.
Reference sign：
Shell 1
Butt end 11
Step structure 12
Pressure measuring unit 2
Conducting wire 21
Conversion circuit 22
Temperature compensation plates 23
Spread silicon core 24
Pressure inlet 25
Clamping cap 26
Plug-in unit 27
Four core plug sockets 28
Display unit 3
Display gauge head 31
Gauge outfit end 32
Display surface 33
Display circuit board 34
Connecting seat 4
Threading hole 41
Frustum structure 42
Backing pin 43
Block 44
O-ring 5
Outer ring 51
Inner ring 52
Specific embodiment
The utility model is further illustrated below by the mode of embodiment, but be not therefore limited in the utility model
Among the embodiment described range.
The rotary type pressure transmitter of the present embodiment as depicted in figs. 1 and 2, including shell 1, pressure measuring unit 2 and is shown
Show unit 3, shell 1 has butt end 11, and the cross section profile of butt end 11 is circle.Pressure measuring unit 2 includes extending butt end
11 conducting wire 21.Display unit 3 includes display gauge head 31 and display circuit board 34, and display circuit board 34 is mounted on display gauge head 31
Interior, conducting wire 21 is connected on display circuit board 34, and as shown in FIG. 2, display gauge head 31 includes gauge outfit end 32 and connecting seat 4,
Gauge outfit end 32 is set in except butt end 11, and O-ring 5 is equipped between gauge outfit end 32 and shell 1, connecting seat 4 and display table
First 31 are fixedly connected, and connecting seat 4 is embedded within butt end 11 and is connected together with butt end 11.
11 cross section profile of butt end is circle, consequently facilitating rotational display gauge outfit 31, connecting seat 4 can ensure display gauge head
31 are connected together securely with shell 1, and O-ring 5 plays sealing function, while also serve as the opposite rotation with shell 1 of display gauge head 31
The medium turned.Can not only make in this way display gauge head 31 do close to 360 ° rotation, additionally it is possible to keep good leakproofness and securely
Property.
11 periphery of butt end has seal groove, and O-ring 5 is set in seal groove.Seal groove is provided on butt end 11, is convenient for
O-ring 5 is made to be fixed on butt end 11, so as to which gauge outfit end 32 be made to be rotated relative to O-ring 5.Since gauge outfit end 32 is in outermost,
Gauge outfit end 32 does not set the intensity that seal groove advantageously ensures that gauge outfit end 32.
Lubricating oil is coated on O-ring 5.O-ring 5 is the medium that butt end 11 and gauge outfit end 32 relatively rotate, therefore O
Type circle 5 is coated with lubricating oil and can adequately protect when butt end 11 and gauge outfit end 32 relatively rotate O-ring 5, reduces O
The abrasion of type circle 5.
O-ring 5 includes outer ring 51 and inner ring 52, outer ring 51 than inner ring 52 closer to pressure measuring unit 2, the section of outer ring 51
Diameter is more than the diameter in the section of inner ring 52.Double-deck O-ring 5 is capable of providing more excellent sealing, and two seals
It is thinner successively from outside to inside, sealing gradient is formed, ensures internal preferable leakproofness.
Connecting seat 4 is equipped with threading hole 41, and conducting wire 21 passes through threading hole 41 and is connected to display circuit board 34.Threading hole 41
It can provide enough spaces when display gauge head 31 rotates for conducting wire 21, conducting wire 21 effectively protected not twisted into two parts.
The periphery of connecting seat 4 has frustum structure 42, and the inside of shell 1 has step structure 12, frustum structure 42 and platform
Stage structure 12 engages.Frustum structure 42 and step structure 12 form good snap-in structure, are rotated in this way in display gauge head 31
When, it can ensure firmly to engage always, prevent display gauge head 31 from loosening.
Backing pin 43 is additionally provided on shell 1, backing pin 43 is extended perpendicularly in the axis of shell 1.Frustum structure
There are four 42, and it is uniformly distributed in the circumferential.Block 44 is additionally provided in a frustum structure 42 wherein, block 44 is one
A frustum structure 42 lengthens gained, and the extending direction of block 44 is parallel to the direction of the axis of shell 1.When block 44 is around shell 1
Axis rotation when, backing pin 43 can block block 44 in the rotating path of block 44 so that display gauge head 31 can only be one
It is rotated in circle, prevents from damaging conducting wire 21 because of 31 unlimited rotary of display gauge head.
Connecting seat 4 is fixedly connected with display gauge head 31 by encapsulating.Transmitter can be saved by being fixedly connected by encapsulating
Inner space, while the good airproof performance of process for filling colloid.
Display gauge head 31 has display surface 33, and display circuit board 34 is fixed by screws in 33 inside of display surface, display surface
33 and the angle of the axis of butt end 11 can be 30 degree to 60 degree, be best with 45 degree.Display circuit board 34 is consolidated by screw
Fixed therefore convenient to overhaul and dismounting.Display surface 33 and the axis of butt end 11 set certain angle to be convenient for rotational display gauge outfit
31, also allow for observation display surface 33.
Pressure measuring unit 2 further includes conversion circuit 22 and temperature compensation plates 23, and conducting wire 21 is welded in conversion circuit 22, conversion
Circuit 22 is fixed in temperature compensation plates 23 by contact pin and is electrically connected with temperature compensation plates 23.Temperature compensation plates 23 can exclude
The interference of temperature, allow measure it is more accurate, conversion circuit 22 can make the signal of transmitter be easy to detect.
Display circuit board 34 is the circuit board for being configured with LED backlit display, and this makes it possible to ensure in very weak light
Lower observation data have stronger adaptability.
When mounted, diffusion silicon core 24 is placed in 25 corresponding hole of pressure inlet first, by spreading silicon core 24 certainly
The sealing ring radial seal of band, and pass through clamping cap 26 and compress.The conducting wire 21 spread on silicon core 24 is connected to temperature as required
On compensating plate 23, then temperature compensation plates 23 are fixed on by cross cheese head screw and washer on clamping cap 26.By conversion circuit
22 are fixed on by contact pin in temperature compensation plates 23, and welding lead 21 (four) in conversion circuit 22, and sealing ring is sleeved on
On pressure inlet 25, and shell 1 is mounted on pressure inlet 25, tightens, then four core plug sockets 28 are welded on shell 1, so
Two power cords are welded on plug-in unit 27 afterwards, then plug-in unit 27 is tightened on four core plug sockets 28.It is O-shaped on set on shell 1
Circle 5, i.e. outer ring 51 and inner ring 52.Display circuit board 34 is fixed on by cross cheese head screw on display gauge head 31, encapsulating will
Connecting seat 4 is fixed on display gauge head 31, and then two conducting wires 21 are connect and debugged with display circuit board 34.Debugging is completed
Afterwards, lubricating oil is coated on O-ring 5, then display gauge head 31 is mounted on shell 1, by connecting seat 4 by display gauge head 31
It buckles up on shell 1, and passes through O-ring 5 and seal.
The rotary type pressure transmitter of the present embodiment has live display function and display gauge head can do 360 ° of rotations.It adopts
With high performance pressure-sensitive core, coordinate advanced processing of circuit and technique for temperature compensation, there is high sensitivity, high-precision, Gao Wen
The characteristics of qualitative, is adapted to long-term observation.Pressure change is converted into linear current or voltage signal, and instant playback.It adopts
Rotatable head is shown with scene, and display surface can be transferred to the direction for being easiest to observation, so as to make monitoring more square by more hommization
Just.Display gauge head is furnished with adjustable button, can Field adjustment, calibration, so as to ensure that measurement data is more accurate.The present embodiment can
Rotary pressure transmitter compact, is easily installed.The rotary type pressure transmitter of the present embodiment is widely used in automatically
Detecting system, the energy and water process, oil well real-time management, petrochemical industry water power and various hydraulic pressure, the field monitoring of air pressure.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
Under the premise of the principle and essence without departing substantially from the utility model, many changes and modifications may be made,
But these change and modification each fall within the scope of protection of the utility model.
Claims (10)
1. a kind of rotary type pressure transmitter, which is characterized in that it includes：
Shell, the shell have butt end, and the cross section profile of the butt end is circle；
Pressure measuring unit, the pressure measuring unit include the conducting wire for extending the butt end；
Display unit, the display unit include display gauge head and display circuit board, and the display circuit board is mounted on described aobvious
Show in gauge outfit, the conducting wire is connected on the display circuit board, and the display gauge head includes gauge outfit end and connecting seat, the table
Head end is set in except the butt end, and O-ring, the connecting seat and institute are equipped between the gauge outfit end and the shell
It states display gauge head to be fixedly connected, the connecting seat is embedded within the butt end and is connected together with the butt end.
2. rotary type pressure transmitter as described in claim 1, which is characterized in that the butt end periphery has sealing
Slot, the O-ring are set in the seal groove.
3. rotary type pressure transmitter as described in claim 1, which is characterized in that be coated with lubricating oil on the O-ring.
4. rotary type pressure transmitter as described in claim 1, which is characterized in that the O-ring includes outer ring and inner ring,
Than the inner ring closer to the pressure measuring unit, the diameter in the section of the outer ring is more than the section of the inner ring for the outer ring
Diameter.
5. rotary type pressure transmitter as described in claim 1, which is characterized in that the connecting seat is equipped with threading hole,
The conducting wire passes through the threading hole and is connected to the display circuit board.
6. rotary type pressure transmitter as described in claim 1, which is characterized in that the periphery of the connecting seat has frustum
Structure, the inside of the shell have step structure, and the frustum structure engages with the step structure.
7. rotary type pressure transmitter as described in claim 1, which is characterized in that the connecting seat and the display gauge head
It is fixedly connected by encapsulating.
8. rotary type pressure transmitter as described in claim 1, which is characterized in that the display gauge head has display surface,
The display circuit board is fixed by screws on the inside of the display surface, the angle of the display surface and the axis of the butt end
It is 30 degree to 60 degree.
9. rotary type pressure transmitter as described in claim 1, which is characterized in that the pressure measuring unit further includes conversion electricity
Road and temperature compensation plates, the conducting wire are welded in the conversion circuit, and the conversion circuit is fixed on the temperature by contact pin
It is electrically connected on degree compensating plate and with the temperature compensation plates.
10. rotary type pressure transmitter as in one of claimed in any of claims 1 to 9, which is characterized in that the display electricity
Road plate is the circuit board that LED backlit display is configured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721535791.3U CN207585829U (en) | 2017-11-16 | 2017-11-16 | Rotary type pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721535791.3U CN207585829U (en) | 2017-11-16 | 2017-11-16 | Rotary type pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207585829U true CN207585829U (en) | 2018-07-06 |
Family
ID=62732097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721535791.3U Active CN207585829U (en) | 2017-11-16 | 2017-11-16 | Rotary type pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207585829U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799028A (en) * | 2017-11-16 | 2019-05-24 | 上海朝辉压力仪器有限公司 | Rotary type pressure transmitter |
| WO2024090632A1 (en) * | 2022-10-27 | 2024-05-02 | 화진기업(주) | Sf6 gas density sensor embedded indicator module |
-
2017
- 2017-11-16 CN CN201721535791.3U patent/CN207585829U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799028A (en) * | 2017-11-16 | 2019-05-24 | 上海朝辉压力仪器有限公司 | Rotary type pressure transmitter |
| WO2024090632A1 (en) * | 2022-10-27 | 2024-05-02 | 화진기업(주) | Sf6 gas density sensor embedded indicator module |
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