CN208653495U - A kind of fixed mechanism and its sensor of optical fiber - Google Patents
A kind of fixed mechanism and its sensor of optical fiber Download PDFInfo
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- CN208653495U CN208653495U CN201821213320.5U CN201821213320U CN208653495U CN 208653495 U CN208653495 U CN 208653495U CN 201821213320 U CN201821213320 U CN 201821213320U CN 208653495 U CN208653495 U CN 208653495U
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- briquetting
- elastic buckles
- optical fiber
- cam
- fixed frame
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Abstract
The utility model relates to a kind of fixed mechanisms of optical fiber, it includes fixed frame, cam, briquetting and elastic buckles, the cam and the fixed frame are rotatablely connected, the briquetting can fixed frame sliding relatively, the relatively described fixed frame of the elastic buckles is fixed, the rotatable relative axle center of cam is provided with eccentric contoured surface, one end of the briquetting is abutted with the eccentric contoured surface, the other end of the briquetting is abutted with the elastic buckles, the elastic buckles have the first cable-through hole of side opening, when the cam drives the briquetting to compress the elastic buckles, first cable-through hole reduces, when the briquetting unclamps the elastic buckles, first cable-through hole becomes larger；It is additionally provided with limiting platform on the cam, when the briquetting compresses completely or is totally released the elastic buckles, the limiting platform is supported with the fixed frame.The utility model further relates to a kind of sensor.The utility model solves the problems, such as that so that optical fiber is obtained stabilization effectively fixes.
Description
Technical field
The utility model relates to sensor field more particularly to the fixed mechanisms and its sensor of a kind of optical fiber.
Background technique
There are two types of fibre optical sensor includes, respectively functional Fibre-Optic Sensors and mechanical structure type transducer.
Functional Fibre-Optic Sensors are made of certain sensitivity characteristic or function using optical fiber itself, the base of this sensor
This working principle is will to be sent into modulator by optical fiber from the light of light source, makes parameter to be measured and enters the light phase interaction of modulator zone
With rear, the optical property (intensity, wavelength, frequency, phase, the polarization state of such as light) of light is caused to change, the letter modulated
Number light is sent into optical detector using optical fiber, demodulated, measured parameter is obtained, to realize the effect of sensing.
Structural type fibre optical sensor is by photodetector (sensing element) and optical fiber transmission circuit and measuring circuit institute group
At measuring system, wherein optical fiber is only used as the propagation medium of light, so also known as light transmission type or non-functional optic fiber sensor.
In use in view of simplifying the reason of installing with adaptability layout, the light-projecting portion in optical fiber and sensor can be existing
Installation connection is carried out again in use, this just needs reliably to install optical fiber, and optical fiber is prevented to be not fixed firmly or excessive pressure
It tightly influences to use, these problems need to solve.
Utility model content
Technical problem to be solved in the utility model is optical fiber how to be made to obtain the effective fixation of stabilization, not because solid
It is fixed to compress loosely or excessively and influence to use, it also resides in and how to obtain a kind of optical fiber being made to obtain stablizing effectively fixed sensing
Device.
The utility model solves technical solution used by above-mentioned technical problem:
A kind of fixed mechanism of optical fiber, including fixed frame, cam, briquetting and elastic buckles, the cam and the fixed frame
Rotation connection, the briquetting can fixed frame sliding relatively, the relatively described fixed frame of the elastic buckles fixes, the cam phase
Eccentric contoured surface is provided with to its axis of rotation, one end of the briquetting is abutted with the eccentric contoured surface, the briquetting it is another
One end is abutted with the elastic buckles, and the elastic buckles have the first cable-through hole of side opening, when the cam drives the pressure
When block compresses the elastic buckles, first cable-through hole reduces, and when the briquetting unclamps the elastic buckles, described first crosses line
Hole becomes larger；It is additionally provided with limiting platform on the cam, when the briquetting compresses completely or is totally released the elastic buckles, institute
Limiting platform is stated to support with the fixed frame.
In a preferred embodiment, the eccentric contoured surface includes first round profile surface and the second contoured surface, institute
First round profile surface is stated at a distance from the axis of rotation of the cam than the axis of rotation of second contoured surface and the cam
Distance is big.
In a preferred embodiment, the limiting platform includes the first platform and the second platform, and described first
Platform and the second platform combination are in " V " type, are provided with the plane that can be supported with the limiting platform on the fixed frame.
In a preferred embodiment, the two sides of the briquetting are provided with strip bulge, are arranged on the fixed frame
There are strip-shaped hole or strip groove, the strip bulge is connected in the strip-shaped hole or strip groove.
In a preferred embodiment, it is additionally provided on the elastic buckles from the outwardly extending clip of opening, institute
It states and is provided with presser feet on briquetting, the presser feet is connected in the clip.
In a preferred embodiment, there are two the elastic buckles settings, two elastic buckles are setting up and down, and
The clip of two elastic buckles is oppositely arranged, and there are two the presser feet settings, and two presser feets are connected to two institutes respectively
It states in the clip of elastic buckles.
In a preferred embodiment, also extending on the fixed frame has pallet, the elasticity being located above
Buckle connects on the pallet.
It in a preferred embodiment, further include having shell, the shell is connected and fixed with the fixed frame, described
The second cable-through hole corresponding with the first cable-through hole position is provided on shell, the outer surface of the shell is close to second mistake
Be respectively arranged at string holes illustrate into go out text or pattern identification.
In a preferred embodiment, the inner wall of first cable-through hole is axially also provided with groove along it.
A kind of sensor includes the fixed mechanism of optical fiber as described in any one of the above embodiments.
The beneficial effects of the utility model are:
The utility model increases limiting platform on cam, and limiting platform can follow cam to be rotated, when briquetting is complete
When total pressure is tight or is totally released elastic buckles, limiting platform is supported with fixed frame, to prevent elastic buckles from damaging optical fiber by pressure, is limited simultaneously
Platform also can be used as the prompt compressed in place.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawings and examples.
Fig. 1 is the whole axonometric drawing of the fixed mechanism of the optical fiber of the utility model one embodiment；
Fig. 2 is the explosive view of the fixed mechanism of the optical fiber of the utility model one embodiment；
Fig. 3 is the explosive view of the part of the fixed mechanism of the optical fiber of the utility model one embodiment；
Fig. 4 is the front view of one embodiment of the utility model cam.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
Clear, complete description, to be completely understood by the purpose of this utility model, scheme and effect.It should be noted that not conflicting
In the case where, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that unless otherwise specified, when a certain feature referred to as " fixation ", " connection " are in another feature,
It can directly fix, be connected to another feature, and can also fix, be connected to another feature indirectly.In addition, this
The descriptions such as upper and lower, left and right used in utility model are only the phase relative to each component part of the utility model in attached drawing
For mutual positional relationship.
In addition, unless otherwise defined, the technology of all technical and scientific terms used herein and the art
The normally understood meaning of personnel is identical.Term used in the description is intended merely to description specific embodiment herein, without
It is to limit the utility model.Term " and or " used herein includes appointing for one or more relevant listed items
The combination of meaning.
It is the whole axonometric drawing of the fixed mechanism of the optical fiber of the utility model one embodiment referring to figs. 1 to Fig. 4, Fig. 1, figure
2 be the explosive view of the fixed mechanism of the optical fiber of the utility model one embodiment, and Fig. 3 is the light of the utility model one embodiment
The explosive view of the part of fine fixed mechanism, Fig. 4 is the front view of one embodiment of the utility model cam 2.
Referring to Fig. 2, the fixed mechanism of the optical fiber of the utility model includes fixed frame 1, cam 2, briquetting 3,4 and of elastic buckles
Shell 5, cam 2 and fixed frame 1 are rotatablely connected, and briquetting 3 is slidably connected with fixed frame 1, and the relatively fixed frame 1 of elastic buckles 4 is fixed, pressure
The upper end of block 3 is abutted with cam 2, and the lower end of briquetting 3 is abutted with elastic buckles 4.
Referring to Fig. 2 and Fig. 3, the two sides of fixed frame 1 are provided with through-hole 11, and the two sides of cam 2 are provided with the shaft of protrusion
23, shaft 23 is plugged in through-hole 11, thus can realize the rotation connection of cam 2 Yu fixed frame 1.Opposite shaft 23 on cam 2
Axle center be provided with eccentric contoured surface 24, eccentric contoured surface 24 includes first round profile surface 241 and the second contoured surface 242, first
The downside of cam 2 is arranged in contoured surface 241, and the right side of cam 2, first round profile surface 241 and second is arranged in the second contoured surface 242
Contoured surface 242 is attached using cambered surface, wherein second contoured surface of ratio at a distance from the axle center of shaft 23 of first round profile surface 241
242 is big at a distance from the axle center of shaft 23.
The two sides of briquetting 3 are provided with strip bulge 32, corresponding, and the two sides of fixed frame 1 are provided with strip-shaped hole 12, and bar shaped is convex
It plays 32 to be connected in strip-shaped hole 12, may make the relatively fixed frame 1 of briquetting 3 to slide up and down as a result, it is to be understood that strip-shaped hole
12 may be alternatively provided as strip groove, and strip bulge 32 is connected in strip groove, can also realize that the relatively fixed frame 1 of briquetting 3 slides
Function.
Elastic buckles 4 are provided with the first cable-through hole 43 along its axle center, and the side of the first cable-through hole 43, which is provided with, to be communicated therewith
Opening 42,42 two sides up and down of being open are provided with clip 41, by setting opening 42, so that the aperture of the first cable-through hole 43 can
It adjusts, to reduce the resistance for adjusting 43 aperture of the first cable-through hole, the inner wall of the first cable-through hole 43 is axially also provided with groove 44 along it,
Preferably, groove 44 and 42 opposition of opening are arranged, and entirety deformation is more equal when 43 aperture of the first cable-through hole thus may make to reduce
It is even.In the present embodiment, there are two the settings of elastic buckles 4, two elastic buckles 4 link into an integrated entity, and are arranged in a staggered manner up and down, two bullets
Property button 4 axis parallel setting, and clip 41 is oppositely arranged.
The downside of briquetting 3 is provided with presser feet 33, specifically, presser feet 33 includes the first presser feet 331 and the second presser feet 332,
First presser feet, 331 to the second presser feet 332 is short, and the first presser feet 331 is connected in the clip 41 for the elastic buckles 4 being located above, and second
Presser feet 332 is connected in the clip 41 of underlying elastic buckles 4, and presser feet 33 may make the of elastic buckles 4 when compressing clip 41
One cable-through hole 43 becomes smaller, meanwhile, presser feet 33 is not directly born against on the wall of the first cable-through hole 43, and pressure is evenly distributed, and is less prone to
The phenomenon that part damages optical fiber by pressure, in addition, first presser feet 331 and second presser feet 332 different by setting length, so that briquetting 3
Two elastic buckles 4 can be compressed simultaneously.
Fixed frame 1, cam 2 and briquetting 3 constitute cam mechanism, when the first round profile surface 241 of cam 2 and the top of briquetting 3
When face 31 abuts, briquetting 3 compresses downwards elastic buckles 4, and the first cable-through hole 43 of elastic buckles 4 becomes smaller, and can be fixedly clamped optical fiber, work as wheel
When 2 the second contoured surface 242 is abutted with the top surface 31 of briquetting 3, briquetting 3 no longer compresses elastic buckles 4, and the first of elastic buckles 4 crosses line
Hole 43 is restored under the action of natural resiliency restoring force, and optical fiber unclamps.
Referring to Fig. 3 and Fig. 4, the top of cam 2 is additionally provided with limiting platform 22, and limiting platform 22 is in the front and rear sides of cam
There is a setting, limiting platform 22 includes the first platform 221 and the second platform 222, the first platform 221 and first round profile surface 241
Position is corresponding, i.e., when first round profile surface 241 is abutted with the top surface 31 of briquetting 3, the first platform 221 is abutted with fixed frame 1, this
When, it sees that cam 2 can not carry out anticlockwise rotation again along the page perpendicular to Fig. 4, thus can prevent 2 mistake of cam
Degree rotates and briquetting 3 is forced excessively to compress elastic buckles 4, meanwhile, user one prompt compressed in place is also given, setting is passed through
Second platform 222, can prevent cam 2 from excessively rotating clockwise, and facilitate the rotational positioning of cam 2.
For convenience of the rotation of stirring of cam 2, the upside of cam 2 is additionally provided with skid resistance strip 21, and skid resistance strip 21 can increase
The convenience used.
The fixed mechanism of the optical fiber of the utility model further includes having shell 5, and shell 5 is connected and fixed with fixed frame 1, specifically
Protrusion can be set on fixed frame 1, and protrusion is fastened on realization shell 5 in hole or groove by providing holes or groove on shell 5
With the fixation of fixed frame 1.It is provided with the second cable-through hole 51 at first cable-through hole 43 of corresponding two elastic buckles 4 on shell 5,
Second cable-through hole 51 is nearby provided with entering light fibre and the out text of optical fiber or icon mark, is conducive to user and installs optical fiber.
It is to be illustrated to the preferable implementation of the utility model, but the invention is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent variations without departing from the spirit of the present invention
Or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of fixed mechanism of optical fiber, which is characterized in that including fixed frame, cam, briquetting and elastic buckles, the cam and institute
State fixed frame rotation connection, the briquetting can fixed frame sliding relatively, the relatively described fixed frame of the elastic buckles fixes, institute
It states the rotatable relative axle center of cam and is provided with eccentric contoured surface, one end of the briquetting is abutted with the eccentric contoured surface, described
The other end of briquetting is abutted with the elastic buckles, and the elastic buckles have the first cable-through hole of side opening, when the cam drives
When the briquetting being made to compress the elastic buckles, first cable-through hole reduces, described when the briquetting unclamps the elastic buckles
First cable-through hole becomes larger；It is additionally provided with limiting platform on the cam, when the briquetting compresses or be totally released completely the bullet
When property button, the limiting platform is supported with the fixed frame.
2. the fixed mechanism of optical fiber according to claim 1, which is characterized in that the bias contoured surface includes the first round
Profile surface and the second contoured surface, the first round profile surface is at a distance from the axis of rotation of the cam than second contoured surface and institute
The distance for stating the axis of rotation of cam is big.
3. the fixed mechanism of optical fiber according to claim 1, which is characterized in that the limiting platform includes the first platform
With the second platform, first platform and the second platform combination are in " V " type, and being provided on the fixed frame can be flat with the limit
The plane that platform supports.
4. the fixed mechanism of optical fiber according to claim 1, which is characterized in that it is convex that the two sides of the briquetting are provided with bar shaped
It rises, strip-shaped hole or strip groove is provided on the fixed frame, the strip bulge is connected to the strip-shaped hole or strip groove
In.
5. the fixed mechanism of optical fiber according to claim 1, which is characterized in that be additionally provided on the elastic buckles from opening
Locate outwardly extending clip, presser feet is provided on the briquetting, the presser feet is connected in the clip.
6. the fixed mechanism of optical fiber according to claim 5, which is characterized in that there are two the elastic buckles settings, and two
The elastic buckles are setting up and down, and the clip of two elastic buckles is oppositely arranged, and there are two the presser feet settings, described in two
Presser feet is connected to respectively in the clip of two elastic buckles.
7. the fixed mechanism of optical fiber according to claim 6, which is characterized in that also extending on the fixed frame has support
Disk, the elastic buckle being located above connect on the pallet.
8. the fixed mechanism of optical fiber according to claim 6, which is characterized in that it further include having shell, the shell and institute
It states fixed frame to connect and fix, the second cable-through hole corresponding with the first cable-through hole position is provided on the shell, the shell
Outer surface be respectively arranged at second cable-through hole illustrate into the text or pattern identification that go out.
9. the fixed mechanism of optical fiber according to claim 1, which is characterized in that the inner wall of first cable-through hole is along its axis
To being also provided with groove.
10. a kind of sensor, which is characterized in that include the fixed mechanism of optical fiber as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213320.5U CN208653495U (en) | 2018-07-27 | 2018-07-27 | A kind of fixed mechanism and its sensor of optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213320.5U CN208653495U (en) | 2018-07-27 | 2018-07-27 | A kind of fixed mechanism and its sensor of optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208653495U true CN208653495U (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821213320.5U Active CN208653495U (en) | 2018-07-27 | 2018-07-27 | A kind of fixed mechanism and its sensor of optical fiber |
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| Country | Link |
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| CN (1) | CN208653495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397640A (en) * | 2020-03-25 | 2020-07-10 | 南京智慧基础设施技术研究院有限公司 | Optical fiber sensor packaged by basalt fiber |
-
2018
- 2018-07-27 CN CN201821213320.5U patent/CN208653495U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397640A (en) * | 2020-03-25 | 2020-07-10 | 南京智慧基础设施技术研究院有限公司 | Optical fiber sensor packaged by basalt fiber |
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