CN207335656U - Displacement sensor - Google Patents
Displacement sensor Download PDFInfo
- Publication number
- CN207335656U CN207335656U CN201721045067.2U CN201721045067U CN207335656U CN 207335656 U CN207335656 U CN 207335656U CN 201721045067 U CN201721045067 U CN 201721045067U CN 207335656 U CN207335656 U CN 207335656U
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- China
- Prior art keywords
- pressure head
- elastomer
- displacement sensor
- sensor according
- cover board
- Prior art date
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Abstract
The utility model provides a kind of displacement sensor, including fixed mounting, elastomer and pressure head, the elastomer is arranged in the cavity of the fixed mounting, the first end of the elastomer is fixedly connected with the fixed mounting, the second end of the elastomer is provided with the pressure head, one end of the pressure head protrudes from the outside of the fixed mounting, and foil gauge is posted on the elastomer.By adopting the above-described technical solution, the utility model can detect the micro-displacement in process exactly, have the characteristics that accuracy of detection is high.
Description
Technical field
Sensor technical field is the utility model is related to, more particularly to a kind of displacement sensor.
Background technology
In the metal chassis process of 3C, due to the requirement of precision and uniformity, need to pass through in process
Micro-displacement sensor carrys out the change of detection processing dimension constantly.
Traditional detection is all the displacement by screw, or is detected by pneumatic pressure difference, but the detection side of both
Formula one is that precision is not high, furthermore is when pneumatically detecting and the pressure of environment, temperature have much relations, also non-in process
The uncertainty of the detection of contact；The other is it is to splash everywhere to cut oil in process, have a great impact to measurement.
Utility model content
The utility model provides a kind of displacement sensor, is detected with the micro-displacement solved in process in the prior art
The problem of inaccurate.
To solve the above problems, the one side as the utility model, there is provided a kind of displacement sensor, including fixation
Mounting base, elastomer and pressure head, the elastomer are arranged in the cavity of the fixed mounting, the first end of the elastomer
It is fixedly connected with the fixed mounting, the second end of the elastomer is provided with the pressure head, and one end of the pressure head protrudes
In posting foil gauge on the outside of the fixed mounting, the elastomer.
Preferably, it is installed in the second end of the elastomer formed with threaded hole, the pressure head in the threaded hole.
Preferably, the elastomer includes pressure head mounting portion and the beam of uniform strength, the pressure head mounting portion and the equal strength
Beam connection is T-shaped, and the threaded hole is formed on the pressure head mounting portion.
Preferably, the fixed mounting includes body, cover board and bottom plate, the body respectively with the cover board and described
Bottom plate connects, and the body, cover board and bottom plate surround the cavity.
Preferably, the pressure head passes through the through hole on the cover board.
Preferably, sealing diaphragm is provided between the cover board and the body.
Preferably, it is filled with siliceous Protection glue in the cavity.
Preferably, the through hole is provided with seal joint.
Preferably, formed between one end of the remote pressure head of the pressure head mounting portion and the inner surface of the bottom plate
Carry portable protective gaps.
Preferably, on the body formed with cable-through hole, cable is installed in the cable-through hole, one end of the cable with
The foil gauge connection.
By adopting the above-described technical solution, the utility model can detect the micro-displacement in process exactly, tool
There is the characteristics of accuracy of detection is high.
Brief description of the drawings
Fig. 1 schematically shows the stereogram of the utility model；
Fig. 2 schematically shows the side view cutaway drawing of the utility model；
Fig. 3 schematically shows the vertical view cutaway drawing of the utility model.
Reference numeral in figure：1st, elastomer；2nd, pressure head；3rd, foil gauge；4th, pressure head mounting portion；5th, the beam of uniform strength；6th, body；
7th, cover board；8th, bottom plate；9th, diaphragm is sealed；10th, siliceous Protection glue；11st, seal joint；12nd, overload protection gap；13rd, cable.
Embodiment
The embodiment of the utility model is described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
The one side of the utility model, there is provided a kind of displacement sensor, including fixed mounting, elastomer 1 and pressure
First 2, the elastomer 1 is arranged in the cavity of the fixed mounting, first end and the fixed installation of the elastomer 1
Seat is fixedly connected, and the second end of the elastomer 1 is provided with the pressure head 2, and one end of the pressure head 2 protrudes from the fixed peace
The outside of seat is filled, foil gauge 3 is posted on the elastomer 1.
Fixed mounting can be made of stainless steel material, it is provided at both ends with for connecting with equipment either fixed structure
Connect fixed mounting hole.After pressure head 2 and the measured piece contact of the utility model, pressure head 2 is to bottom offset, in displacement process,
With the gradual increase of displacement, 1 displacement of elastomer is driven so that elastomer 1 is deformed, multiple after extraneous stress releases
Position.Displacement can be detected in real time by the foil gauge 3 on elastomer 1.Elastomer 1 is also made in addition to displacement deformation is played
For reset and position-limiting action.
By adopting the above-described technical solution, the utility model can detect the micro-displacement in process exactly, tool
There is the characteristics of accuracy of detection is high.
Preferably, it is installed in the second end of the elastomer 1 formed with threaded hole, the pressure head 2 in the threaded hole.
Preferably, the elastomer 1 includes pressure head mounting portion 4 and the beam of uniform strength 5, the pressure head mounting portion 4 with it is described etc.
Intensity beam 5 connects T-shaped, and the threaded hole is formed on the pressure head mounting portion 4.
Preferably, the fixed mounting includes body 6, cover board 7 and bottom plate 8, the body 6 respectively with the cover board 7
And the bottom plate 8 connects, the body 6, cover board 7 and bottom plate 8 surround the cavity.
Preferably, the pressure head 2 passes through the through hole on the cover board 7.
Preferably, sealing diaphragm 9 is provided between the cover board 7 and the body 6.Preferably, filling in the cavity
There is siliceous Protection glue 10.Often with the presence of grinding fluid in mechanical processing and abrasive machine, in order to ensure that the long-term of sensor makes
With and leakproofness, by front end using sealing diaphragm 9 (flexibility, small to deformation effect) in forward end seal, prevent grinding fluid into
Enter；Inside use siliceous Protection glue 10 (such as silicone oil) embedding, with guarantee can be in (remaining grinding fluid) grinding fluid be invaded just
Often use.
Preferably, the through hole is provided with seal joint 11.Seal joint 11 is connected with the beam of uniform strength 5, passes through top
Circular arc portion produces displacement with extraneous contact, while is fitted close with the cover board 7 of sealing diaphragm 9, plays internal insulation sealing
Effect.
Preferably, shape between one end of the remote pressure head 2 of the pressure head mounting portion 4 and the inner surface of the bottom plate 8
Into overload protection gap 12., can be spacing by overload protection gap 12 and bottom plate 8 after displacement reaches the displacement of setting.
Preferably, on the body 6 formed with cable-through hole, cable 13 is installed in the cable-through hole, the cable 13
One end is connected with the foil gauge 3.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of displacement sensor, it is characterised in that including fixed mounting, elastomer (1) and pressure head (2), the elastomer
(1) it is arranged in the cavity of the fixed mounting, the first end of the elastomer (1) is fixed with the fixed mounting to be connected
Connect, the second end of the elastomer (1) is provided with the pressure head (2), and one end of the pressure head (2) protrudes from the fixed installation
The outside of seat, posts foil gauge (3) on the elastomer (1).
2. displacement sensor according to claim 1, it is characterised in that in the second end of the elastomer (1) formed with
Threaded hole, the pressure head (2) are installed in the threaded hole.
3. displacement sensor according to claim 2, it is characterised in that the elastomer (1) includes pressure head mounting portion (4)
With the beam of uniform strength (5), the pressure head mounting portion (4) is connected T-shaped with the beam of uniform strength (5), and the threaded hole is formed in institute
State on pressure head mounting portion (4).
4. displacement sensor according to claim 3, it is characterised in that the fixed mounting includes body (6), cover board
(7) it is connected respectively with the cover board (7) and the bottom plate (8) with bottom plate (8), the body (6), the body (6), cover board
(7) and bottom plate (8) surrounds the cavity.
5. displacement sensor according to claim 4, it is characterised in that the pressure head (2) is passed through on the cover board (7)
Through hole.
6. displacement sensor according to claim 4, it is characterised in that set between the cover board (7) and the body (6)
It is equipped with sealing diaphragm (9).
7. displacement sensor according to claim 4, it is characterised in that be filled with siliceous Protection glue in the cavity
(10)。
8. displacement sensor according to claim 5, it is characterised in that the through hole is provided with seal joint (11).
9. displacement sensor according to claim 4, it is characterised in that the remote pressure of the pressure head mounting portion (4)
Overload protection gap (12) are formed between the head one end of (2) and the inner surface of the bottom plate (8).
10. displacement sensor according to claim 4, it is characterised in that formed with cable-through hole, institute on the body (6)
State and cable (13) is installed in cable-through hole, one end of the cable (13) is connected with the foil gauge (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721045067.2U CN207335656U (en) | 2017-08-18 | 2017-08-18 | Displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721045067.2U CN207335656U (en) | 2017-08-18 | 2017-08-18 | Displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207335656U true CN207335656U (en) | 2018-05-08 |
Family
ID=62373914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721045067.2U Active CN207335656U (en) | 2017-08-18 | 2017-08-18 | Displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207335656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927751A (en) * | 2020-07-14 | 2020-11-13 | 西安交通大学 | Diaphragm displacement nondestructive monitoring system and method for diaphragm compressor |
-
2017
- 2017-08-18 CN CN201721045067.2U patent/CN207335656U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927751A (en) * | 2020-07-14 | 2020-11-13 | 西安交通大学 | Diaphragm displacement nondestructive monitoring system and method for diaphragm compressor |
| CN111927751B (en) * | 2020-07-14 | 2021-07-02 | 西安交通大学 | Diaphragm displacement nondestructive monitoring system and method for diaphragm compressor |
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