CN211347323U

CN211347323U - Optical fiber centering measuring device

Info

Publication number: CN211347323U
Application number: CN202020124714.4U
Authority: CN
Inventors: 林间; 汪会梅; 徐剑
Original assignee: Nanjing Shenglue Technology Co ltd
Current assignee: Nanjing Shenglue Technology Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-08-25
Anticipated expiration: 2030-01-19

Abstract

The utility model relates to an optical fiber centering measuring device, which is applied to the technical field of optical fiber detection, and comprises a bracket, a slide bar, an electronic measuring microscope and a clamping component for clamping optical fibers, wherein the length direction of the slide bar is the same as the length direction of the bracket, and the electronic measuring microscope is connected on the slide bar in a sliding way and is opposite to the clamping component; when a worker inspects the optical fiber, the optical fiber is inserted into the clamping assembly, the electronic measuring microscope is slid, the center of the lens of the electronic measuring limiting mirror is opposite to the center of the section of the optical fiber, the distance from the center of the section of the optical fiber to the center of the section of the protective sleeve is conveniently measured, if the measured distance is within 5 micrometers, the measured optical fiber is judged to be qualified, and the factory qualification rate of the optical fiber is ensured.

Description

Optical fiber centering measuring device

Technical Field

The utility model belongs to the technical field of fiber detection's technique and specifically relates to an optic fibre centering measuring device is related to.

Background

At present, the application of optical fiber in medical treatment is more and more extensive, especially in the field of medical apparatus and instruments, the shadow of the optical fiber can be seen in large-scale diagnostic equipment and imaging equipment, and as is known, a broad-spectrum coding endoscope product is provided, which utilizes an optical fiber capable of emitting different colors to irradiate on organs in a human body and transmits the organ to a computer through the optical fiber, so that a doctor can see a three-dimensional image of the viscera.

In the prior art, the part of an optical fiber connected with equipment generally needs a certain bending degree, if the optical fiber is improperly fixed, bending is easily caused, so that a protective sleeve needs to be sleeved on the outermost layer of the optical fiber, the optical fiber applied to the field of medical equipment has a certain qualification standard, when the center of the cross section of the protective sleeve is opposite to the center of the cross section of the optical fiber, the distance between the two centers is allowed to be within 5 micrometers, and only under the condition, the optical fiber can receive the light energy of laser to the maximum extent, so that doctors can diagnose the optical fiber more accurately when using the medical equipment, but when many manufacturers produce the optical fiber at present, only the optical fiber is subjected to sampling inspection, the general precision of inspection equipment is not high, the measurement result has deviation, and the factory qualification rate of the optical.

Aiming at the defects in the prior art, an optical fiber centering measuring device needs to be designed, the distance between the center of the cross section of the protective sleeve and the center of the cross section of the optical fiber can be accurately measured, so that whether the measured optical fiber is qualified or not is judged, and the factory qualification rate of the optical fiber is further ensured.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an optic fibre centering measuring device, distance between the center of the cross section of the center that can the accurate measurement protective sheath and the cross section of optic fibre to help the workman to judge fast whether qualified by the optical fiber of survey, solved the problem that optic fibre ex-factory qualification rate has the deviation.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an optic fibre centering measuring device, includes support, slide bar, electron measurement microscope and is used for the centre gripping subassembly of centre gripping optic fibre, the length direction syntropy of slide bar and the length direction of support, electron measurement microscope slides and connects on the slide bar and relative with the centre gripping subassembly.

By adopting the technical scheme, when a worker inspects the optical fiber, the worker inserts the optical fiber into the clamping component, slides the electronic measuring microscope, enables the center of the lens of the electronic measuring limiting mirror to be opposite to the center of the optical fiber section, is convenient to measure the distance from the center of the optical fiber section to the center of the protective sleeve section, and judges that the measured optical fiber is qualified if the measured distance is within 5 micrometers.

The utility model discloses further set up to: the centre gripping subassembly includes base, driving motor, two-way screw rod and anchor clamps, be equipped with the recess on the roof of base, driving motor and two-way screw rod all set up in the recess, be equipped with first spout on the both sides wall of recess, anchor clamps threaded connection is on two-way screw rod, the both sides wall of anchor clamps slides and connects in first spout.

By adopting the technical scheme, when the optical fiber is inserted into the clamping component, the driving motor is utilized to drive the bidirectional screw rod to rotate, the bidirectional screw rod drives the clamp to move, when the clamp is adjusted to a position opposite to a lens of the electron measurement microscope, the driving motor stops driving, and then the optical fiber is clamped in the clamp; through the cooperation of driving motor and two-way screw rod, can the position of automatically regulated anchor clamps, the usability is higher.

The utility model discloses further set up to: the fixture comprises two supporting rods and two clamping blocks, the supporting rods are arranged along the length direction of the groove in a relative mode, the two supporting rods slide on the first threads and the second threads respectively, the two clamping blocks are arranged on the side walls, opposite to the two supporting rods, of the clamping blocks, semicircular bayonets are arranged on the side walls of the clamping blocks in an inwards concave mode, the bayonets are connected with optical fibers in an inserting mode, and abutting components are arranged on the outer side walls of the clamping blocks.

By adopting the technical scheme, when the two support rods slide oppositely to the two semicircular bayonets to be spliced into the circular bayonets, the optical fibers are tightly clamped in the bayonets; when detecting next optic fibre, two bracing pieces back of the body slip mutually, make things convenient for the workman to change optic fibre.

The utility model discloses further set up to: the abutting component comprises a screw and an elastic block, the screw is in threaded connection with the outer side wall of the supporting rod, the elastic block is connected to one end, extending into the bayonet, of the supporting rod, and the elastic block abuts against the outer wall of the optical fiber.

By adopting the technical scheme, when the optical fiber is clamped in the clamping block, under the action of self gravity, the clamped optical fiber slides downwards, the screw rod is screwed inwards, the elastic block abuts against the optical fiber, and the optical fiber is ensured to be tightly inserted in the clamping opening.

The utility model discloses further set up to: the side wall of the supporting rod opposite to the electronic measurement microscope is provided with a centering mark block, and the side wall of the lens of the electronic measurement microscope is provided with a laser lamp opposite to the centering mark block.

Through adopting above-mentioned technical scheme, centering mark piece and laser lamp are mutually supported, are favorable to the workman to judge fast whether the center of optic fibre is relative with electron measurement microscope's camera lens, promote measurement of efficiency.

The utility model discloses further set up to: and the side wall of the fixture block is provided with a convex edge which is matched with the second sliding groove in a concave-convex manner.

Through adopting above-mentioned technical scheme, because the size of the optic fibre of different models is inconsistent, the unable adaptation not unidimensional optic fibre of bayonet socket of single size utilizes first spout and bead, makes fixture block and bracing piece can dismantle and be connected, makes things convenient for the workman to change the fixture block that the bayonet socket size is different, makes the device's suitability higher.

The utility model discloses further set up to: the inner wall of the bayonet is provided with a patterned rubber pad which is abutted against the optical fiber.

Through adopting above-mentioned technical scheme, utilize the decorative pattern rubber pad, can increase the stiction between optic fibre and bayonet socket to further prevent optic fibre from the internal landing of bayonet socket.

The utility model discloses further set up to: the bottom end of the electron measurement microscope is connected with a sliding seat, the sliding seat is connected to the sliding rod in a sliding mode, and a bolt penetrates through the sliding seat and is abutted to the bottom wall of the sliding rod.

By adopting the technical scheme, after the electron measurement microscope slides to a proper position, the bolt penetrates through the sliding seat and is abutted against the bottom wall of the sliding rod, so that the electron measurement microscope is fixed on the sliding rod, and the stability of the measurement process is ensured.

The utility model discloses further set up to: and a dust guard is arranged on the top wall of the electron measurement microscope.

Through adopting above-mentioned technical scheme, set up the dust guard on electron measurement microscope's roof, can prevent that electron microscope's camera lens from falling grey, avoid measured data to produce the error.

To sum up, the utility model discloses a beneficial technological effect does:

1. the usability is good: inserting the measured optical fiber into the clamping assembly, sliding the electronic measuring limiting mirror to a proper position and opposite to the optical fiber, measuring the distance from the center of the section of the optical fiber to the center of the section of the protective sleeve, and judging that the measured optical fiber is qualified if the measured distance is within 5 mu m;

2. the flexibility is good: the driving motor is used for driving the bidirectional screw rod to rotate, and the distance between the two sliding rods is flexibly adjusted, so that the optical fiber is tightly clamped in the bayonet;

3. the adaptability is high: because the sizes of the optical fibers of different models are not consistent, the clamping blocks are detachably connected with the sliding rod through the matching of the first sliding grooves and the convex edges, so that workers can conveniently replace the clamping blocks with different bayonet sizes, and the device is high in adaptability.

Drawings

Fig. 1 is a schematic structural diagram of the optical fiber centering measuring device.

Fig. 2 is a schematic structural diagram for embodying the base, the groove, the driving motor, the bidirectional screw, the clamp, the centering mark block, and the laser lamp in the embodiment.

Fig. 3 is a schematic structural diagram for showing the support rod, the slide block, the first sliding groove, the clamping block, the rib and the abutting assembly in the embodiment.

In the figure, 1, a bracket; 11. a column; 12. an operating platform; 2. a slide bar; 21. a strut; 3. an electron measurement microscope; 31. a slide base; 32. a bolt; 4. a clamping assembly; 41. a base; 411. a groove; 412. a first chute; 42. a drive motor; 43. a bidirectional screw; 431. a first thread; 432. a second thread; 44. a clamp; 441. a support bar; 4411. a second chute; 4412. a slider; 442. a clamping block; 4421. a bayonet; 4422. a rib; 4423. a patterned rubber pad; 5. an optical fiber; 6. centering the mark block; 7. a laser light; 8. a propping component; 81. a screw; 82. an elastic block; 9. a dust guard.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the optical fiber centering measuring device disclosed by the utility model, the problem that the factory qualification rate of the optical fiber 5 has deviation is solved, the device comprises a support 1, a slide bar 2, an electronic measuring microscope 3 and a clamping component 4 for clamping the optical fiber, the support 1 comprises two opposite upright posts 11 which are vertically arranged and an operating platform 12 which is horizontally connected on the top walls of four support bars 21, the length direction of the slide bar 2 is in the same direction as that of the support 1, one end of the slide bar 2 is connected with the support bar 21, the support bar 21 is connected on the operating platform 12, the other end of the slide bar 2 is opposite to the clamping component 4, the electronic measuring microscope 3 is connected on the slide bar 2 in a sliding way and is opposite to the clamping component 4, the top wall of the electronic measuring microscope 3 is connected with a dust-proof plate 9, the lens of the electronic measuring microscope, the bottom end of the electron measurement microscope 3 is connected with a sliding seat 31, the sliding seat 31 is connected with the sliding rod 2 in a sliding way, and the bottom wall of the sliding seat 31 is connected with a bolt 32 in a threaded way; when a worker detects the optical fiber 5, after the electronic measuring microscope 3 is slid to a proper position, the electronic measuring microscope 3 is fixed on the sliding rod 2 by using the bolt 32, and then the detected optical fiber 5 is clamped by using the clamping component 4, at the moment, the center of the detected optical fiber 5 is opposite to the center of the lens of the electronic measuring microscope 3, so that the distance between the center of the optical fiber 5 and the center of the cross section of the protective sleeve can be conveniently and accurately measured, the measured data is sent to a computer in real time, and if the measured data is within 5 micrometers, the measured optical fiber 5 is qualified; utilize this optic fibre centering measuring device, make things convenient for the workman to carry out short-term test to optic fibre 5, and then promote detection efficiency, guarantee optic fibre 5's the qualification rate that dispatches from the factory.

Referring to fig. 2, the clamping assembly 4 includes a base 41, a driving motor 42, a bidirectional screw 43 and a clamp 44, a groove 411 is provided on a top wall of the base 41, the driving motor 42 and the bidirectional screw 43 are both disposed in the groove 411, first sliding grooves 412 are provided on two side walls of the groove 411, the clamp 44 is in threaded connection with the bidirectional screw 43, two side walls of the clamp 44 are slidably connected in the first sliding grooves 412, and a first thread 431 and a second thread 432 are provided on the bidirectional screw 43; a worker holds one end of the optical fiber 5 by hand, the driving motor 42 is used for driving the bidirectional screw 43 to rotate, the clamp 44 is enabled to slide and adjust the distance, when the clamp 44 is adjusted to the position opposite to the lens of the electronic measuring microscope 3, the driving motor 42 stops driving, at the moment, the optical fiber 5 is clamped in the clamp 44, the driving motor 42 is matched with the bidirectional screw 43, the operation process of the worker is facilitated, and the usability is high.

Referring to fig. 2, a centering mark block 6 is provided on a side wall of the jig 44 opposite to the electron measurement microscope 3, and a laser light 7 opposite to the centering mark block 6 is provided on a side wall of a lens of the electron measurement microscope 3; when the optical fiber 5 is clamped in the bayonet 4421, the centering mark block 6 and the laser lamp 7 are utilized, so that a worker can conveniently and quickly judge whether the optical fiber 5 is opposite to the lens of the electron measurement microscope 3.

Referring to fig. 3, the fixture 44 includes two support rods 441 and two fixture blocks 442 vertically arranged relatively along the length direction of the groove 411, the bottom walls of the two support rods 441 are connected with sliders 4412, the two sliders 4412 are connected in the first sliding groove 412 in a sliding manner, the two support rods 441 are respectively connected on the first screw thread 431 and the second screw thread 432 in a sliding manner, the two fixture blocks 442 are respectively arranged on the opposite side walls of the two support rods 441, the opposite side walls of the two fixture blocks 442 are respectively provided with a semicircular bayonet 4421, the inner wall of the bayonet 4421 is provided with a patterned rubber pad 4423, the bayonet 4421 is inserted into the optical fiber 5, and the outer side walls of the fixture blocks are provided with abutting; when the optical fiber 5 is measured, the two support rods 441 move oppositely to the bayonet 4421 to clamp the optical fiber 5, and at the moment, the optical fiber 5 is tightly clamped in the bayonet 4421; the pattern rubber pad 4423 is utilized to increase the static friction force between the protective sleeve and the bayonet 4421, so that the optical fiber 5 is prevented from sliding downwards under the action of the gravity of the optical fiber 5, and the optical fiber 5 can be tightly inserted into the bayonet 4421; utilize to support tight subassembly 8, guarantee the compactness of optic fibre 5 and bayonet socket 4421 connection, when the workman measured next optic fibre 5, two bracing pieces 441 carried on the back move to two bayonet sockets 4421 separately, made things convenient for the workman to change optic fibre 5.

Referring to fig. 3, the abutting assembly 8 includes a screw 81 and an elastic block 82, the screw 81 is connected to the outer side wall of the support rod 441 in a threaded manner, the elastic block 82 is connected to one end of the support rod 441 extending into the bayonet 4421, the elastic block 82 abuts against the outer wall of the optical fiber 5, the screw 8 is connected to the outer side walls of the two support rods 441 in a threaded manner, one end of the screw 8 extending into the bayonet 4421 is connected to the elastic block 81, and the elastic block 81 abuts against the optical fiber 5; when the optical fiber 5 is inserted into the bayonet 4421, the optical fiber 5 slides downward due to a certain gravity, and the screw 8 is screwed inward, so that the elastic block 81 abuts against the optical fiber 5, and the optical fiber 5 can be tightly inserted into the bayonet 4421.

Referring to fig. 3, the opposite side walls of the two support rods 441 are provided with second sliding grooves 4411, one end of each second sliding groove 4411 penetrates through the top wall of the support rod 441, the other end of each second sliding groove 4411 extends to one half of the height of the support rod 441, and the side wall of the fixture block 442 is provided with a convex edge 4422 which is in concave-convex fit with the second sliding groove 4411; due to the fact that the sizes of the optical fibers 5 of different models are different, the clamping blocks 442 with different bayonet 4421 sizes are required to be matched with the optical fibers, the second sliding grooves 4411 and the protruding ribs 4422 are used for detachably connecting the clamping blocks 442 with the supporting rod 441, and workers can conveniently replace the clamping blocks 442.

The implementation principle of the embodiment is as follows: before detecting the optical fiber 5, a worker firstly slides the electronic measuring microscope 3 to a proper position, fixes the electronic measuring microscope 3 on the sliding rod 2 by using the bolt 32, drives the two supporting rods 441 to slide oppositely to be clamped with the optical fiber 5 by using the driving motor 42, prevents the optical fiber 5 from sliding downwards, screws the screw rod 8 inwards to enable the elastic block 81 to be abutted against the side wall of the optical fiber 5, turns on the laser lamp 7, further judges whether the center of the optical fiber 5 is opposite to the lens of the electronic measuring microscope 3 or not, transmits the measuring data to a computer by the electronic measuring microscope 3, judges that the measured optical fiber 5 is qualified if the distance from the center of the optical fiber 5 to the center of the protective sleeve is within 5 micrometers, and drives the two supporting rods 441 to slide oppositely after the measurement is finished, thereby facilitating the worker to replace the optical fiber 5.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An optical fiber alignment measuring device, characterized in that: the device comprises a support (1), a sliding rod (2), an electron measurement microscope (3) and a clamping component (4) used for clamping the optical fiber, wherein the length direction of the sliding rod (2) is the same as that of the support (1), and the electron measurement microscope (3) is connected to the sliding rod (2) in a sliding mode and is opposite to the clamping component (4).

2. An optical fiber centering measuring device according to claim 1, wherein: centre gripping subassembly (4) include base (41), driving motor (42), two-way screw rod (43) and anchor clamps (44), be equipped with recess (411) on the roof of base (41), driving motor (42) and two-way screw rod (43) all set up in recess (411), be equipped with first spout (412) on the both sides wall of recess (411), anchor clamps (44) threaded connection is on two-way screw rod (43), the both sides wall of anchor clamps (44) slides and connects in first spout (412).

3. An optical fiber centering measuring device according to claim 2, wherein: the bidirectional screw (43) is provided with a first thread (431) and a second thread (432), the clamp (44) comprises two support rods (441) and two fixture blocks (442) which are oppositely arranged along the length direction of the groove (411), the two support rods (441) respectively slide on the first thread (431) and the second thread (432), the two fixture blocks (442) are respectively arranged on the opposite side walls of the two support rods (441), the side walls of the fixture blocks (442) are inwards sunken to be provided with semicircular bayonets (4421), the bayonets (4421) are inserted with the optical fibers (5), and the side walls of the fixture blocks (442) are provided with abutting components (8).

4. An optical fiber centering measuring device according to claim 3, wherein: the abutting component (8) comprises a screw rod (81) and an elastic block (82), the screw rod (81) is in threaded connection with the outer side wall of the supporting rod (441), the elastic block (82) is connected to one end, extending into the bayonet (4421), of the supporting rod (441), and the elastic block (82) abuts against the outer wall of the optical fiber (5).

5. An optical fiber centering measuring device according to claim 3, wherein: the side wall of the supporting rod (441) opposite to the electronic measurement microscope (3) is provided with a centering mark block (6), and the side wall of the lens of the electronic measurement microscope (3) is provided with a laser lamp (7) opposite to the centering mark block (6).

6. An optical fiber centering measuring device according to claim 3, wherein: and the opposite side walls of the two support rods (441) are provided with second sliding grooves (4411), and the outer side wall of the fixture block (442) is provided with convex ribs (4422) which are matched with the second sliding grooves (4411) in a concave-convex manner.

7. An optical fiber centering measuring device according to claim 3, wherein: the inner wall of the bayonet (4421) is provided with a patterned rubber pad (4423), and the patterned rubber pad (4423) is abutted to the optical fiber (5).

8. An optical fiber centering measuring device according to claim 1, wherein: the bottom end of the electron measurement microscope (3) is connected with a sliding seat (31), the sliding seat (31) is connected to the sliding rod (2) in a sliding mode, and a bolt (32) penetrates through the sliding seat (31) and is abutted to the bottom wall of the sliding rod (2).

9. An optical fiber centering measuring device according to claim 5, wherein: and a dust guard (9) is arranged on the top wall of the electronic measurement microscope (3).