CN209674084U - Fixture and dimming device for optical fiber collimator - Google Patents
Fixture and dimming device for optical fiber collimator Download PDFInfo
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- CN209674084U CN209674084U CN201920645929.8U CN201920645929U CN209674084U CN 209674084 U CN209674084 U CN 209674084U CN 201920645929 U CN201920645929 U CN 201920645929U CN 209674084 U CN209674084 U CN 209674084U
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- optical fiber
- holder body
- fiber collimator
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Abstract
This application provides a kind of fixtures and dimming device for optical fiber collimator, it is related to optical communication field, it include: holder body, the inside of the holder body is formed with the clamping hole portion for optical fiber collimator insertion, internal stretch of the clamping hole portion from the first end of the holder body to the holder body；Fastening part is arranged at the clamping hole portion of the holder body, for fastening the optical fiber collimator being inserted into the clamping hole portion, to limit to the optical fiber collimator；Leading-out portion, through the wall of the holder body, to be connected to the hole portion, for exporting optical fiber.Fixture provided by the present application for optical fiber collimator solves the problems, such as that current fixture mechanism structure is complicated by simple structure.
Description
Technical field
This application involves optical communication fields, more particularly, to a kind of fixture and dimming device for optical fiber collimator.
Background technique
Laser is a branch of Gaussian beam, must be transmitted in optical fiber after coming out from laser, the light field come out from optical fiber
It is fundamental-mode gaussian beam that we, which can be approximately considered, and position with a tight waist is in fiber end face.Therefore the light beam come out from optical fiber will
It can be propagated in " diverging " trend, light intensity is not concentrated, and needs plus collimator (lens) collimates light beam.
Clamp structure in the prior art for optical fiber collimator is complex, is not easy to dismantle.
Utility model content
In view of this, the application is designed to provide a kind of fixture and dimming device for optical fiber collimator, to solve
The technical problem complex for the structure of the fixture of optical fiber collimator in the prior art.
To enable the above objects, features, and advantages of the application to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
In a first aspect, the embodiment of the present application provides a kind of fixture for optical fiber collimator, comprising:
Holder body, the inside of the holder body is formed with the clamping hole portion for optical fiber collimator insertion, described
Clamp internal stretch of the hole portion from the first end of the holder body to the holder body；
Fastening part is arranged at the clamping hole portion of the holder body, is inserted into the clamping hole portion for fastening
Optical fiber collimator, to be limited to the optical fiber collimator；
Leading-out portion, through the wall of the holder body, to be connected to the hole portion, for exporting optical fiber.
Preferably, the fastening part is flexible rubber ring, is inserted into the shape in the clamping hole portion in the optical fiber collimator
Under state, the flexible rubber ring is between the optical fiber collimator and the inner sidewall of the clamping hole portion, thus to the optical fiber
Collimator is limited.
Preferably, the fastening part includes the fastening through-hole and fastening member through the wall of the clamping hole portion, described tight
Gu component is inserted into the fastening through-hole, to abut the outside portion of the optical fiber collimator.
Preferably, the fastening member is elastomer, and the elastomer can be inserted into the fastening with the state of pressing
In through-hole, alternatively, the fastening through-hole is formed with internal screw thread, the fastening member is to be formed with externally threaded screw.
Preferably, the fixture further includes mounting portion, and the mounting portion is arranged at the second end of the holder body, is used
In the holder body is fixedly installed in workbench.
Preferably, the leading-out portion is coaxial and open by the second end of the holder body with the clamping hole portion
Channel；
In the state that the holder body is fixedly installed in the workbench, the second end of the holder body and institute
State between workbench that there are fixing clearances, for exporting optical fiber.
Preferably, the leading-out portion is to extend from the first end of the holder body and be arranged side by side with the clamping hole portion
Groove portion, the groove portion is connected to the clamping hole portion and external environment, and the full-size of the groove portion is less than the fiber optic collimator
The external dimensions of device.
Preferably, the outer sheath of the mounting portion is equipped with adjusting gasket, for adjusting the holder body relative to described
The installation orientation of workbench.
Preferably, the second end of the holder body is truncated conical shape, and the first end of the holder body is cylindrical shape.
Second aspect, the embodiment of the present application provide a kind of dimming device, including as above-mentioned for optical fiber collimator
Fixture, the workbench are the combination of displacement platform or swinging arc platform or displacement platform and swinging arc platform.
According to the fixture provided by the present application for optical fiber collimator, using simple structure, solve in the prior art,
The complex technical problem of the structure of collimator clamping device.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the schematic diagram at the first visual angle of fixture for optical fiber collimator；
Fig. 2 shows the schematic diagrames at fixture the second visual angle for optical fiber collimator；
Fig. 3 shows the schematic diagram at the fixture third visual angle for optical fiber collimator；
Fig. 4 shows the schematic diagram at the 4th visual angle of fixture for optical fiber collimator.
Appended drawing reference:
1- holder body, 11- clamp hole portion, 12- fastening through-hole, 2- mounting portion, 3- leading-out portion.
Specific embodiment
It is clearly and completely described below in conjunction with technical solution of the attached drawing to the application, it is clear that described implementation
Example is some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describe the application and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in application.
It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not this application claims protection scope within.
It should be noted that the fixture for optical fiber collimator is installed vertically on the upper end of workbench in following embodiment
Face, displacement platform and swinging arc platform in common workbench be accomplished that respectively X, the displacement of Y-direction and around X-direction, around Y-direction
Swinging arc, that is to say, that the axis of the fixture for optical fiber collimator is parallel to Z-direction, and setting is primarily directed to common in this way
The working characteristics of workbench is right that is, if the axis of the fixture for optical fiber collimator is parallel to X-direction or Y-direction
Answer the movement of the workbench in direction that the adjusting to Laser emission position is nearly unavailable, therefore, being described below is for light
The fixture of fine collimator is installed vertically on for the upper surface of workbench, i.e., the upper end of holder body is its first end, clamping master
The lower end of body is its second end.
In addition, being used for grip optical fiber inside collimator, the shell is cylindrical for collimator, for example, the shell of collimator is logical
Often formed by metal material.
Embodiment one
Fixture provided in this embodiment for optical fiber collimator, comprising: holder body, mounting portion and leading-out portion, below
Distance is described to the connection relationship and working principle of above-mentioned component.
In the present embodiment, holder body uses columnar shape, and lower end surface is horizontal plane, and end face has been vertically formed thereon
Clamping hole portion with certain depth, the internal diameter of the clamping hole portion is slightly larger than the basal diameter of optical fiber collimator, so that optical fiber is quasi-
Straight device is inserted into clamping hole portion.
In addition, leading-out portion is connected to clamping hole portion, to export optical fiber, in the present embodiment, leading-out portion and clamping hole portion
Coaxially, that is to say, that leading-out portion and clamping hole portion together form the channel through holder body along the vertical direction, and should
The internal diameter in channel can be slightly larger than optical fiber collimator basal diameter, optical fiber collimator can be worn from the lower end of holder body into
The channel is simultaneously fixed, and optical fiber is exported from the lower end in channel.
Therefore the lower end in channel, that is, the lower end of holder body need that there are certain installations with the upper surface of workbench
Gap, therefore in the present embodiment, mounting portion is processed using half-thread, will be described in detail below.
It illustrates, mounting portion is cylindrical shape, perpendicular to the lower end surface of holder body, and fixes and connects with holder body
It connects.In the present embodiment, this is fixedly connected, such as can be integrated molding, which will add in following collimator
It is specifically described during work, one mounting hole can also be set in the lower end surface of holder body, the upper end of mounting portion is formed with outer
Screw thread is formed with internal screw thread inside mounting hole, mounting portion is screwed in the lower end surface of holder body, alternatively, the upper end of mounting portion
It is directly plugged in mounting hole in an interference fit, mounting portion is fixedly connected with holder body.
In addition, then being processed using half-thread for the lower end of mounting portion, that is to say, that mounting portion is mounted on from clamping and leads
The part of the lower end surface protrusion of body, is upwardly formed some screw thread from the lower end of mounting portion, and another part is then without spiral shell
The surface of line processing.
It should be noted that the half that half-thread processing is not the absolutely lower end of finger mounting portion is formed with screw thread, but
Refer to the lower end of mounting portion is partially formed with screw thread, that is to say, that as long as reserving the fixing clearance that can export optical fiber, not
The specific threaded length of formation for limiting mounting portion.
The characteristic processed using the half-thread of above-mentioned mounting portion, so that mounting portion is in the upper surface screwed in workbench
When threaded hole, the upper surface of the lower end surface and workbench that guarantee holder body there are certain fixing clearance, allow optical fiber via
The above-mentioned channel being collectively formed by holder body and leading-out portion, fixing clearance export.
It should be noted that the fixed form when mounting portion is, one mounting hole, installation are set in the lower end surface of holder body
The upper end in portion is formed with external screw thread, is machined with internal screw thread inside mounting hole, and mounting portion is screwed when the lower end surface of holder body,
The studs that mounting portion can directly select axial dimension suitable.
Furthermore, it is necessary to guarantee the stationarity of holder body, i.e., in working table movement, holder body is not susceptible to tremble,
Therefore, in the present embodiment, mounting portion is co-axially mounted with holder body, as long as and being collectively formed by clamping hole portion and leading-out portion
The axis in channel and the axis of holder body are parallel, and the position in channel is not interfered with the position of mounting portion, is not had
The forming position in body restriction channel.
In the present embodiment, fastening part is additionally provided at the channel of holder body, fastening part can be flexible rubber ring, in light
Fine collimator be inserted into clamping hole portion in the state of, flexible rubber ring between optical fiber collimator and clamping hole portion inner sidewall it
Between, to be limited to optical fiber collimator.
In addition, fastening part includes the fastening through-hole and fastening member through the wall of clamping hole portion, and the axis of fastening through-hole
Line is vertical with the axis co-planar in channel, and fastening member is inserted into fastening through-hole, to abut the outside portion of optical fiber collimator.Its
In, the axis of fastening through-hole and the axis co-planar in channel it is vertical be to guarantee that fastening member is inserted into fastening through-hole and abut light
When fine collimator, optical fiber collimator uniform stressed can be made, avoid optical fiber collimator play.Fastening member in the present embodiment,
Fastening member can use screw, and the inner wall of fastening through-hole be formed with the internal screw thread being adapted to screw, enable screw screw in
Fastening through-hole can simultaneously adjust it along its axial position, to abut optical fiber collimator or separate optical fiber collimator, and then right
Optical fiber collimator being fixed or relaxing.
In addition, fastening member can also be elastomer, elastomer can be inserted into fastening through-hole with the state of pressing, tightly
Gu component can use elastic cylindrical pin or rubber column, fastening member be slightly larger than fastening through-hole internal diameter, guarantee its can with it is tight
Gu the inner wall of through-hole is fitted close, fastening member is reliably abutted and fixes optical fiber collimator, it also can be relatively tight
Gu portion's sliding and separate optical fiber collimator and then relaxation collimator.
However, it is without being limited thereto, as long as can fasten, slack optical fiber collimator, fastening member and fastening are not limited specifically
The quantity in portion.
Using the characteristic of the above-mentioned fixture for optical fiber collimator, its working principle and processing will be described in detail below
Mode.
Working principle: being for example described so that fastening member is fastening screw as an example, specifically, by optical fiber collimator along folder
The lower end in the channel of the holder body of tool penetrates, until the upper end of optical fiber collimator is higher by the upper surface certain altitude of holder body,
The fixed optical fiber collimator of fastening screw is screwed, then fixture is installed on workbench by mounting portion.
Processing method: the fixture of optical fiber collimator is integrally formed, it is contemplated that as fixture, needs certain processing essence
Degree, therefore in the present embodiment, it is processed using cylindric alloy profile of the numerical control machining center to one section of given length, this
Alloy material in embodiment uses steel alloy；Numerical control machining center is by techniques such as turning, boring, lead plug tappings to the type
Material is processed, and the fixture for optical fiber collimator in the present embodiment is obtained.
Embodiment two
Referring to figs. 1 to Fig. 4, the fixture provided in this embodiment for optical fiber collimator, comprising: holder body, mounting portion
And leading-out portion, the connection relationship and working principle of above-mentioned component will be described in detail below.
In the present embodiment, the lower end surface of holder body 1 is horizontal plane, and end face has been vertically formed with a depthkeeping thereon
The internal diameter of the clamping hole portion 11 of degree, clamping hole portion 11 is slightly larger than the basal diameter of collimator, so that collimator is inserted into folder
It holds in hole portion 11.
In addition, in the embodiments illustrated in the figures, leading-out portion 3 be extend from the upper end of holder body 1 and with clamping hole portion
11 groove portions being set side by side, groove portion are connected to along the first end in the radial direction of clamping hole portion 11 with clamping hole portion 11, second end
It is connected to external environment, optical fiber collimator is arranged in clamping hole portion 11, and optical fiber is then exported along groove portion.In addition, in embodiment,
As shown in Figure 1, the maximum width of groove portion is less than the external dimensions of optical fiber collimator, so that optical fiber collimator is bound in the folder
It holds in hole portion 11, without being left from clamping hole portion 11.
As mentioned among the above, the effect of clamping hole portion 11 is a part of grip optical fiber collimator, and the effect of groove portion is
Optical fiber is exported, therefore, the depth for clamping hole portion 11 is determined according to the length of optical fiber collimator, and is not especially limited, and groove portion
It should be greater than the depth of clamping hole portion 11 along the axial length of holder body 1, i.e. the lower end of groove portion should be lower than clamping hole portion 11
Lower end, to avoid excessive fiber bending.
In addition, in the present embodiment, the lower end of groove portion can also be processed as cambered surface, it is more advantageous to the optical fiber supported at this,
Prevent the edge of the lower end of certain angle from causing to damage to optical fiber.
In the present embodiment, mounting portion 2 be cylindrical shape, perpendicular to the lower end surface of holder body 1, and with holder body 1
It is fixedly connected.In the present embodiment, this is fixedly connected, such as can be integrated molding, which will be in following standard
It is specifically described during straight device processing, one mounting hole, the upper end of mounting portion 2 can also be set in the lower end surface of holder body 1
It is formed with external screw thread, is formed with internal screw thread inside mounting hole, mounting portion 2 is screwed in the lower end surface of holder body 1, alternatively, peace
The upper end in dress portion 2 is directly plugged in mounting hole in an interference fit, and mounting portion 2 is fixedly connected with holder body 1.
When mounting portion 2 is fixedly installed in the lower end surface of holder body 1, lower end surface of the mounting portion 2 relative to holder body 1
Protrusion part is processed using full thread, so that mounting portion 2 can be completely screwed into the internal thread hole of the upper surface of workbench, is protected
The upper surface of the lower end surface and workbench of demonstrate,proving holder body 1 completely attaches to, and improves the stability of the fixture for optical fiber collimator.
In the present embodiment, mounting portion 2 can also install multiple adjusting gasket (not shown)s, i.e., multiple adjusting gaskets additional
It is sheathed on the outside of mounting portion 2, adjusting gasket is capable of the elastic journey that the external screw thread of adjust installation portion 2 is installed relative to workbench
Degree allows the external screw thread of mounting portion 2 not exclusively screwing in work because its own is capable of providing the elastic force axial along mounting portion 2
When making in the internal thread hole of platform, guarantee the reliability that mounting portion 2 is connect with workbench, also therefore, in the present embodiment, installs additional and adjust
Section gasket may be implemented by will not exclusively adjust in the internal thread hole of the upper surface for screwing into workbench of mounting portion 2
Orientation of the groove portion relative to workbench, the external screw thread for avoiding mounting portion 2 are completely screwed into the direction of groove portion caused by internal thread hole
Fixation, increase optical fiber export direction alternative, improve the applicability of the fixture for optical fiber collimator.
Furthermore, it is necessary to guarantee the stationarity of holder body 1, i.e., in working table movement, holder body 1 is not susceptible to shake
Quiver, therefore, in the present embodiment, mounting portion 2 is co-axially mounted with holder body 1, as long as and groove portion, clamp hole portion 11 axis with
The axis of holder body 1 is parallel, does not specifically limit groove portion and clamps the forming position of hole portion 11.
The present embodiment also includes fastening part, and specific structure, connection relationship and function are the same as example 1, herein not
It repeats again.
It should be noted that when the width of groove portion and the connectivity part of clamping hole portion 11 is greater than the outer diameter of collimator, fastening
The axis of through-hole 12 and the opening direction of groove portion are vertical, skid off clamping hole portion 11 along groove portion to avoid collimator.
Using the characteristic of the above-mentioned fixture for optical fiber collimator, its working principle and processing will be described in detail below
Mode.
Working principle: being for example described so that fastening member is fastening screw as an example, and fixture is installed on by mounting portion 2
Workbench, then optical fiber collimator is penetrated along the upper end of the clamping hole portion 11 of the holder body 1 of fixture, until optical fiber collimator is upper
End is higher by the upper surface certain altitude of holder body 1, and optical fiber is exported along groove portion, then screws the fixed collimator of fastening screw.
Processing method: in the present embodiment, the fixture for optical fiber collimator is integrally formed, it is contemplated that as fixture, needs
Certain machining accuracy is wanted, therefore in the present embodiment, using numerical control machining center to the cylindric alloy of one section of given length
Profile is processed, and the alloy material in the present embodiment uses steel alloy；Numerical control machining center passes through turning, boring, lead plug, attacks
The techniques such as screw thread and milling process the profile, obtain the fixture for optical fiber collimator in the present embodiment.
It should be noted that a part of the holder body 1 in the present embodiment is cone cell, and the fixed part of optical fiber collimator
Point be then cylindric, this is because when the outer diameter of optical fiber collimator is smaller, corresponding grip size should also be as processing compared with
Small, the size of required profile is also just smaller, for being integrally machined the molding fixture for optical fiber collimator, if holder body
1 for the rotary table part bottom surface diameter in this present embodiment such as outer diameter cylindrical body, the difficulty for cutting cotter way portion can be made to increase, if
Holder body 1 is the cylindrical body of the basal diameter of the cylinder of optical fiber collimator fixed part in this present embodiment such as outer diameter, and meeting
So that profile is easily-deformable in process or is broken.Therefore, the holder body 1 in the present embodiment is added using diagram shape
Work ensure that the workability and reliability of process.
Embodiment three
A kind of dimming device provided in this embodiment, including being used for fiber optic collimator in above-described embodiment one, embodiment two
The fixture and workbench of device, workbench are displacement platform or swinging arc platform or combination, and the motion mode of workbench is
It is mentioned in the foregoing description, details are not described herein.
The foregoing is merely preferred embodiment of the present application, are not intended to limit the protection scope of the application, all at this
Under the innovation thinking of application, using equivalent structure transformation made by present specification and accompanying drawing content, or directly/use indirectly
In the protection scope that other related technical areas are included in the application.
Claims (10)
1. a kind of fixture for optical fiber collimator characterized by comprising
Holder body, the inside of the holder body are formed with the clamping hole portion for optical fiber collimator insertion, the clamping
Internal stretch of the hole portion from the first end of the holder body to the holder body；
Fastening part is arranged at the clamping hole portion of the holder body, for fastening the optical fiber being inserted into the clamping hole portion
Collimator, to be limited to the optical fiber collimator；
Leading-out portion, through the wall of the holder body, to be connected to the hole portion, for exporting optical fiber.
2. the fixture according to claim 1 for optical fiber collimator, which is characterized in that
The fastening part is flexible rubber ring, in the state that the optical fiber collimator is inserted into the clamping hole portion, the bullet
Property cushion rubber between the optical fiber collimator and it is described clamping hole portion inner sidewall between, to limit the optical fiber collimator
Position.
3. the fixture according to claim 1 for optical fiber collimator, which is characterized in that
The fastening part includes the fastening through-hole and fastening member through the wall of the clamping hole portion, and the fastening member is inserted into
In the fastening through-hole, to abut the outside portion of the optical fiber collimator.
4. the fixture according to claim 3 for optical fiber collimator, which is characterized in that
The fastening member is elastomer, and the elastomer can be inserted into the fastening through-hole with the state of pressing, alternatively,
The fastening through-hole is formed with internal screw thread, and the fastening member is to be formed with externally threaded screw.
5. the fixture according to any one of claim 1 to 4 for optical fiber collimator, which is characterized in that
The fixture further includes mounting portion, and the mounting portion is arranged at the second end of the holder body, is used for the folder
It holds main body and is fixedly installed in workbench.
6. the fixture according to claim 5 for optical fiber collimator, which is characterized in that
The leading-out portion is coaxial with the clamping hole portion and passes through the open channel of the second end of the holder body；
In the state that the holder body is fixedly installed in the workbench, the second end of the holder body and the work
Make between platform that there are fixing clearances, for exporting optical fiber.
7. the fixture according to claim 5 for optical fiber collimator, which is characterized in that
The leading-out portion is the groove portion for extending from the first end of the holder body and being arranged side by side with the clamping hole portion, described
Groove portion is connected to the clamping hole portion and external environment, and the full-size of the groove portion is less than the external ruler of the optical fiber collimator
It is very little.
8. the fixture according to claim 5 for optical fiber collimator, which is characterized in that
The outer sheath of the mounting portion is equipped with adjusting gasket, for adjusting installation of the holder body relative to the workbench
Orientation.
9. the fixture according to claim 5 for optical fiber collimator, which is characterized in that the second end of the holder body
For truncated conical shape, the first end of the holder body is cylindrical shape.
10. a kind of dimming device, the fixture including being used for optical fiber collimator described in any one of claim 5 to 8, feature
It is, the workbench is the combination of displacement platform or swinging arc platform or displacement platform and swinging arc platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920645929.8U CN209674084U (en) | 2019-05-07 | 2019-05-07 | Fixture and dimming device for optical fiber collimator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920645929.8U CN209674084U (en) | 2019-05-07 | 2019-05-07 | Fixture and dimming device for optical fiber collimator |
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| Publication Number | Publication Date |
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| CN209674084U true CN209674084U (en) | 2019-11-22 |
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| CN201920645929.8U Active CN209674084U (en) | 2019-05-07 | 2019-05-07 | Fixture and dimming device for optical fiber collimator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112882160A (en) * | 2021-01-19 | 2021-06-01 | 苏州长光华芯光电技术股份有限公司 | Reusable fixing structure |
-
2019
- 2019-05-07 CN CN201920645929.8U patent/CN209674084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112882160A (en) * | 2021-01-19 | 2021-06-01 | 苏州长光华芯光电技术股份有限公司 | Reusable fixing structure |
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