CN217654722U - Adapter device for optical fiber end face detection - Google Patents

Abstract

The utility model discloses an adaptive device for optical fiber end face detection, belonging to the technical field of optical fiber end face detection; the device comprises a guide unit and a chuck which are coaxially arranged in sequence, wherein a limiting space for clamping an optical fiber connector is formed between clamping jaws of the chuck, and one side of the chuck is coaxially and fixedly connected with a detection head for detecting the end face of an optical fiber; the guide unit comprises a first fixing ring and elastic sheets symmetrically arranged, one end of each elastic sheet is fixedly connected with the first fixing ring, the other end of each elastic sheet is opposite to the middle of the first fixing ring, the middle of each elastic sheet is obliquely arranged, and the first fixing ring is detachably connected with the other side of the chuck. The utility model discloses can carry out the heart and fix to the optical fiber splice of the size of difference.

Description

Adaptive device for optical fiber end face detection

Technical Field

The utility model relates to an optical fiber end face detects technical field, especially relates to an optical fiber end face detects uses adapter device.

Background

With the rapid development of communication network technology in China, optical fiber networks have been widely popularized in China, the number of home-entry projects of the optical fiber networks is increased, and the detection work of the on-off of optical fibers is increased; at present, a conventional light-transmitting pen is convenient to use, a 650nm semiconductor laser is used as a light-emitting device to emit infrared light, the infrared light is driven by a constant current source to emit stable infrared light, and the stable infrared light enters multimode and single-mode optical fibers after being connected with an optical fiber interface to realize an optical fiber fault detection function.

The invention with publication number CN213516282U discloses an optical fiber end face fixing mechanism for an optical fiber end face detector, which drives a first fastening frame and a second fastening frame to move relatively through a first electric push rod and a second electric push rod, so as to fix the optical fiber end face on the detector quickly, and meanwhile, the rubber anti-slip block can prevent the optical fiber from loosening in the fixing process, so that the actual detection is easy. In addition, it can pull optic fibre through two sets of spacing subassemblies for it can freely pass in and out in the mount, has reduced the degree of wear of optic fibre epidermis.

The existing optical fiber end face detection equipment is inconvenient to clamp and fix end faces of different sizes, and the application range is too narrow.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide an adapter for fiber end face detection, so as to solve the problem that it is difficult to clamp optical fiber splices of different sizes in the conventional end face detection equipment.

The utility model provides an adaptation device for optical fiber end face detection, which comprises a detection head, a guide unit and a chuck, wherein the guide unit and the chuck are coaxially arranged in sequence, a limit space for clamping an optical fiber joint is formed between clamping jaws of the chuck, and one side of the chuck is coaxially arranged and fixedly connected with the detection head for detecting the optical fiber end face; the guide unit comprises a first fixing ring and elastic sheets symmetrically arranged, one end of each elastic sheet is fixedly connected with the first fixing ring, the other end of each elastic sheet is opposite to the middle of the first fixing ring, the middle of each elastic sheet is obliquely arranged, and the first fixing ring is detachably connected with the other side of the chuck.

Furthermore, the tip of jack catch is equipped with the elastic layer, the elastic layer with the jack catch bonds, the elastic layer and fiber connector butt, fiber connector can follow the axial relative movement of chuck.

Furthermore, the elastic layer is arranged in a concave mode relative to the clamping jaws, and one surface, opposite to the optical fiber connector, of the elastic layer is an arc surface.

Further, the chuck is a three-jaw chuck or a four-jaw chuck.

Furthermore, a plurality of shell fragments encircle first solid fixed ring equidistance sets up, and the shell fragment that a plurality of slopes set up forms convergent guide space.

Furthermore, the number of the elastic sheets is four, six or eight.

Furthermore, the elastic sheet is a copper sheet or a steel sheet.

Further, the chuck with still be equipped with the centre gripping unit between the first solid fixed ring, the centre gripping unit includes the solid fixed ring of second and annular gasbag, the solid fixed ring of second both sides respectively with first solid fixed ring with the chuck is detachable to be connected, annular gasbag enclose set up in on the solid fixed ring's of second inner wall and with the solid fixed ring of second bonds, the middle part of annular gasbag forms the centre gripping space that is used for centre gripping fiber splice.

Furthermore, an inflating nozzle is arranged on the annular air bag, and the size of the annular air bag can be adjusted through the inflating nozzle.

Furthermore, the first fixing ring and the second fixing ring are provided with through holes which are coaxially arranged, the other side of the chuck is provided with a screw hole, and a bolt is screwed with the screw hole through the through holes.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

(1) The utility model discloses an adaptation device for fiber end face detection is equipped with the chuck in one side of detecting the head, forms the spacing space that is used for centre gripping fiber splice between the jack catch of chuck, and fiber splice's excircle portion can be pegged graft in the spacing space for fiber splice's terminal surface perpendicular to detects the head. Through adjusting the chuck, can enlarge or reduce spacing space for the chuck can carry out heart and fixed to the fiber splice of different sizes.

(2) The utility model discloses an adaptation device for fiber end face detection is equipped with the direction unit in one side of detecting the head, the direction unit includes the shell fragment that first solid fixed ring and symmetry set up, the one end and the first solid fixed ring fixed connection of shell fragment, the relative first solid fixed ring's of the other end middle part slope setting of shell fragment, the shell fragment can guide fiber splice to enter into spacing space, first solid fixed ring is connected with the opposite side is detachable of chuck, the shell fragment that can change different inclinations adapts to not unidimensional fiber splice.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the chuck of the present invention;

fig. 3 is a schematic structural view of the guiding unit of the present invention;

FIG. 4 is a schematic structural view of the clamping unit of the present invention;

in the figure, a detection head 100, a fine adjustment knob 110, an adapter 200, a guide unit 210, a first fixing ring 211, an elastic sheet 212, a chuck 220, a claw 221, an elastic layer 222, a screw hole 223, a clamping unit 230, a second fixing ring 231, an annular air bag 232, an inflating nozzle 233 and a through hole 240.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.

An adapter device for fiber end face detection in this embodiment relates to fiber end face detection technical field, and adapter device 200 is used for being connected with detection head 100 of fiber end face detector, and adapter device 200 can guide the optical fiber connector of different diameters accurately with detect first 100 butt joint.

Referring to fig. 1 to 4, an adapter for fiber end face detection in this embodiment includes a guiding unit 210 and a chuck 220 coaxially disposed in sequence, a limiting space for clamping a fiber connector is formed between jaws 221 of the chuck 220, and a detection head 100 can amplify an end face of the fiber connector and project the end face onto a display. The outer circle part of the optical fiber connector can be inserted into the limiting space, so that the end face of the optical fiber connector is perpendicular to the detection head 100. By adjusting the chuck 220, the limiting space can be enlarged or reduced, so that the chuck 220 can perform centering and fixing on optical fiber connectors with different sizes. Guide unit 210 includes the shell fragment 212 that first solid fixed ring 211 and symmetry set up, the one end and the first solid fixed ring 211 fixed connection of shell fragment 212, the middle part slope setting of the relative first solid fixed ring 211 of the other end of shell fragment 212, during the shell fragment 212 can guide fiber splice to enter into spacing space, first solid fixed ring 211 is detachable to be connected with the opposite side of chuck 220, can change the shell fragment 212 of different inclinations and adapt to the fiber splice of different sizes.

In actual use, the chuck 220 is first adjusted so that the spacing space is adapted to the corresponding fiber splice. Insert optical fiber splice from first solid fixed ring 211 middle part, under the effect of the shell fragment 212 of symmetry setting, optical fiber splice's tip just in time is drawn to spacing space, and spacing space locking optical fiber splice's position for optical fiber splice and detection head 100 are coaxial to the heart, conveniently detect and check-up optical fiber splice's tip.

Referring to fig. 2, the end of the clamping claw 221 is provided with an elastic layer 222, the elastic layer 222 is made of teflon, one side of the elastic layer 222 is adhered to the clamping claw 221, the other side of the elastic layer 222 is abutted to the optical fiber connector, the elastic layer 222 has good flexibility and good lubricity, and the elastic layer 222 can prevent the clamping claw 221 from directly contacting the optical fiber connector to cause unnecessary abrasion. Meanwhile, the friction force can be reduced, and the optical fiber connector can move relatively along the axial direction of the chuck 220 in a limiting space conveniently. As a further embodiment, the elastic layer 222 is recessed from the claws 221, and one surface of the elastic layer 222 opposite to the optical fiber connector is a circular arc surface, which can better match with the outer circular surface of the optical fiber connector. It should be noted that: the chuck 220 is embodied as a three-jaw chuck or a four-jaw chuck, which may enclose a circular limiting space.

Referring to fig. 3, the plurality of resilient pieces 212 are disposed around the first fixing ring 211 at equal intervals, and the plurality of resilient pieces 212 disposed in an inclined manner form a tapered guide space, which can be enlarged or reduced along with the elastic deformation of the resilient pieces 212, so as to adapt to the changed shape of the optical fiber connector. The tapered setting of guiding space relative chuck 220 can realize having the guide function of drawing in addition to the fiber joint, and the guide fiber joint enters into spacing space. In the specific implementation process, the number of the elastic pieces 212 is four, six or eight, and the larger the number of the elastic pieces 212 is, the better the guiding effect on the optical fiber connector is. The elastic sheet 212 is a copper sheet or a steel sheet, and the elasticity of the copper sheet and the steel sheet is good.

Referring to fig. 1 and 4, a clamping unit 230 is further disposed between the chuck 220 and the first fixing ring 211, the clamping unit 230 includes a second fixing ring 231 and an annular air bag 232, and two sides of the second fixing ring 231 are detachably connected to the first fixing ring 211 and the chuck 220, respectively. The annular air bag 232 is arranged on the inner wall of the second fixing ring 231 in a surrounding mode and is bonded with the second fixing ring 231, and a clamping space used for clamping the optical fiber connector is formed in the middle of the annular air bag 232. The annular air bag 232 is provided with an inflating nozzle 233, and the size of the space in the middle of the annular air bag 232 can be changed by artificially inflating and deflating, so that the optical fiber connector is suitable for optical fiber connectors with different sizes.

Referring to fig. 2 to 4, the first fixing ring 211 and the second fixing ring 231 are coaxially disposed with a through hole 240, the other side of the chuck 220 is disposed with a screw hole 223, a bolt is screwed with the screw hole 223 through the through hole 240, and the chuck 220, the first fixing ring 211 and the second fixing ring 231 can be conveniently disassembled and assembled.

Referring to fig. 1, a fine adjustment knob 110 is disposed on a side surface of the detection head 100, and the fine adjustment knob 110 can drive the optical fiber connector to move in a very small scale to adjust a projection position of the optical fiber connector on the screen.

The working process comprises the following steps: the chuck 220 is first adjusted so that the spacing space fits the corresponding fiber splice. Then, the inflating amount of the annular air bag 232 is adjusted, and the enclosed area of the annular air bag 232 is adjusted to fit the size of the optical fiber connector. Insert optical fiber splice from first solid fixed ring 211 middle part, under the effect of the shell fragment 212 of symmetry setting, optical fiber splice gets into the tip at first and just is drawn to the centre gripping space in, and the centre gripping space carries out preliminary location to optical fiber splice. Next, the optical fiber connector is inserted into the limiting space, and the position of the optical fiber connector is locked by the limiting space, so that the optical fiber connector and the detection head 100 are coaxially aligned, and the end part of the optical fiber connector is conveniently detected and checked.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (10)

1. An adaptive device for optical fiber end face detection is characterized by comprising a guide unit and a chuck which are coaxially arranged in sequence, wherein a limiting space for clamping an optical fiber connector is formed between clamping jaws of the chuck, and one side of the chuck is coaxially arranged and fixedly connected with a detection head for detecting the end face of an optical fiber; the guide unit comprises a first fixing ring and elastic pieces symmetrically arranged, one end of each elastic piece is fixedly connected with the first fixing ring, the other end of each elastic piece is opposite to the middle of the first fixing ring, the middle of the first fixing ring is obliquely arranged, and the first fixing ring is detachably connected with the other side of the chuck.

2. The adapter device for fiber end face detection according to claim 1, wherein an elastic layer is provided at an end portion of the claw, the elastic layer is bonded to the claw, the elastic layer abuts against the fiber stub, and the fiber stub is capable of moving relatively in an axial direction of the chuck.

3. The adapting device for detecting the end face of the optical fiber according to claim 2, wherein the elastic layer is recessed relative to the claw, and one surface of the elastic layer relative to the optical fiber connector is an arc surface.

4. The adapter device for fiber-optic endface inspection according to claim 3, wherein said chuck is a three-jaw chuck or a four-jaw chuck.

5. The adapting device for fiber end face detection according to claim 1, wherein the plurality of resilient tabs are equidistantly disposed around the first fixing ring, and the plurality of resilient tabs disposed in an inclined manner form a tapered guide space.

6. The adapting device for fiber end face detection according to claim 5, wherein the number of the resilient pieces is four, six or eight.

7. The adapting device for fiber end face detection according to claim 6, wherein the resilient piece is a copper sheet or a steel sheet.

8. The adapting device for optical fiber end face detection according to claim 1, wherein a clamping unit is further arranged between the chuck and the first fixing ring, the clamping unit comprises a second fixing ring and an annular air bag, two sides of the second fixing ring are detachably connected with the first fixing ring and the chuck respectively, the annular air bag is arranged on the inner wall of the second fixing ring in a surrounding manner and is bonded with the second fixing ring, and a clamping space for clamping an optical fiber connector is formed in the middle of the annular air bag.

9. The adapting device for detecting the end face of the optical fiber according to claim 8, wherein an inflating nozzle is arranged on the annular air bag, and the size of the annular air bag can be adjusted by the inflating nozzle.

10. The adapting device for fiber end face detection according to claim 9, wherein the first fixing ring and the second fixing ring are provided with through holes coaxially arranged, the other side of the chuck is provided with screw holes, and bolts are screwed with the screw holes through the through holes.

Images