CN217540180U

CN217540180U - Optical isolator with bracket

Info

Publication number: CN217540180U
Application number: CN202220969858.9U
Authority: CN
Inventors: 王伟英; 邱晓军; 李青青; 李娟娟; 唐阳
Original assignee: Shifei Electronic Technology Shanghai Co ltd
Current assignee: Shifei Electronic Technology Shanghai Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-10-04
Anticipated expiration: 2032-04-26

Abstract

The utility model relates to an optical fiber transport technical field, concretely relates to take optical isolator of support, including optical isolator, optical isolator's both ends fixedly connected with connection optical cable, optical isolator's both ends are fixed with the bracket component, the bracket component includes installation part, support component, fixed part and goes up the buffering part, the utility model discloses in, can carry out fixed connection through support component and base with optical isolator's both ends through the mating reaction between the ring cassette a that sets up, ring cassette b and the spacing ring, and when optical isolator received vibrations, can carry out the shock absorption through the mating reaction between slide bar, limiting plate, elastic support bar, miniature attenuator and the buffer spring b that set up, and then avoid vibrations to cause the damage to optical isolator, also can protect optical isolator's top through the top cap that sets up and buffer board simultaneously.

Description

Optical isolator with bracket

Technical Field

The utility model relates to an optical fiber transmission technical field, concretely relates to take optical isolator of support.

Background

The optical isolator is a passive optical device which only allows unidirectional light to pass through, and the working principle of the optical isolator is based on the nonreciprocal property of Faraday rotation. The light reflected by the fiber echo can be well isolated by the optical isolator. The optical isolator mainly utilizes the faraday effect of the magneto-optical crystal. The characteristics of the optical isolator are: the forward insertion loss is low, the reverse isolation degree is high, and the return loss is high. The optical isolator is a passive device which allows light to pass through in one direction and prevents the light from passing through in the opposite direction, and the optical isolator has the function of limiting the direction of the light, so that the light can be transmitted in a single direction only, and the light reflected by the optical fiber echo can be well isolated by the optical isolator, so that the light wave transmission efficiency is improved.

The existing optical isolator is generally required to be installed on a plane by utilizing a support, but the existing optical isolator installing support is simple in result, only has the effect of fixing the optical isolator, and in the actual use, the plane installed by the optical isolator can vibrate due to collision and other reasons, the vibration is possible to change the position of an internal element of the optical isolator, and then the precision of conveying the optical isolator can be influenced.

Therefore, it is necessary to develop a supported optical isolator.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a take optical isolator of support to the plane of solving the optical isolator installation can be because reasons such as collision produce vibrations, vibrations then probably can cause the change to the position of optical isolator's internal component, and then can lead to the fact the problem of influence to the precision that optical isolator carried.

In order to achieve the above object, the present invention provides the following technical solutions: the optical isolator with the bracket comprises an optical isolator, wherein two ends of the optical isolator are fixedly connected with connecting optical cables, and two ends of the optical isolator are fixedly provided with bracket components;

the bracket component includes installing component, support component, fixed part and goes up the buffering part, the fixed part sets up the both ends at the optical isolator outer wall, support component and fixed part's bottom outer wall fixed connection, the top of installing component and the bottom fixed connection of support component, it sets up between two sets of fixed parts to go up the buffering part, the bottom outer wall both ends of going up the buffering part all with fixed part's top outer wall connection, the bottom outer wall center department of going up the buffering part is connected with the top outer wall center department of optical isolator.

Preferably, the fixing part comprises a limiting ring, the inner wall of the limiting ring is fixedly connected with two ends of the outer wall of the optical isolator, an annular clamping seat a is arranged at the bottom end of the limiting ring, an annular clamping seat b is arranged at the top end of the limiting ring, connecting plates are fixed at the joints of the annular clamping seat a and the outer wall of the front end and the rear end of the annular clamping seat b, and the connecting plates are fixedly connected through bolts.

Preferably, the outer wall of the limiting ring is provided with a limiting clamping groove, the inner walls of the annular clamping seat a and the annular clamping seat b are fixed with a limiting clamping block at the joint with the limiting clamping groove, and the limiting clamping block is slidably connected with the limiting clamping groove.

Preferably, the supporting part comprises a supporting cylinder, a sliding rod is connected to the inner wall of the top end of the supporting cylinder in a sliding mode, the upper end of the sliding rod is fixedly connected with the outer wall of the bottom end of the annular clamping seat a, and a limiting plate is fixed to one end, arranged inside the supporting cylinder, of the sliding rod.

Preferably, the inner wall of the supporting cylinder is provided with a chute at the joint with the limiting plate, the limiting plate is connected with the chute in a sliding manner, the inner wall of the bottom end of the chute is fixedly provided with a buffer spring b, and the upper end of the buffer spring b is fixedly connected with the outer wall of the bottom end of the limiting plate.

Preferably, the bottom outer wall center department of limiting plate is fixed with miniature attenuator, and the bottom outer wall of limiting plate and the left and right sides that is located miniature attenuator all are fixed with the elastic support pole, miniature attenuator and elastic support pole's bottom all with the bottom inner wall fixed connection who supports a section of thick bamboo.

Preferably, the mounting component comprises a base, mounting plates are fixed to the outer walls of the two ends of the base, and mounting holes are formed in the outer walls of the top ends of the mounting plates.

Preferably, the upper buffering component comprises a top cover, two ends of the bottom outer wall of the top cover are fixedly connected with the top outer wall of the annular clamping seat b, a buffering plate is arranged below the bottom outer wall of the top cover, the bottom end of the buffering plate is connected with the top outer wall of the optical isolator, two ends of the bottom outer wall of the buffering plate are fixed with elastic rubber pads, the bottom outer wall of the top cover is located between the two sets of elastic rubber pads and is fixed with a buffering spring a, and the bottoms of the elastic rubber pads and the buffering spring a are fixedly connected with the top outer wall of the buffering plate.

The beneficial effects of the utility model are that:

the utility model discloses in, can carry out fixed connection with the both ends of optical isolator through supporting component and base through the loop cassette a that sets up, loop cassette b and the mating reaction between the spacing ring, and when optical isolator received vibrations, can cushion the absorption to vibrations through the slide bar that sets up, the limiting plate, the elastic support pole, the mating reaction between miniature attenuator and the buffer spring b, and then avoid vibrations to cause the damage to the isolator of setting a camera, also can protect the top of isolator through the top cap that sets up and buffer board simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the utility model in the front view direction;

FIG. 2 is a schematic cross-sectional view of the side view of the fixing member of the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of a middle supporting cylinder in a front view direction according to the present invention;

fig. 4 is a schematic view of a three-dimensional structure of the middle stop collar of the present invention.

In the figure: 100. an optical isolator; 110. connecting an optical cable; 200. a base; 210. mounting a plate; 300. a support cylinder; 301. a chute; 302. a buffer spring b; 310. a slide bar; 320. a limiting plate; 330. a micro damper; 340. an elastic support bar; 400. an annular clamping seat a; 410. an annular clamping seat b; 420. a connecting plate; 430. a limiting clamping block; 500. a limiting ring; 510. a limiting clamping groove; 600. a top cover; 610. a buffer plate; 620. an elastic rubber pad; 621. a buffer spring a.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-4, the present invention provides an optical isolator with a bracket, including an optical isolator 100, the optical isolator 100 is arranged to isolate a transported optical fiber so that the optical fiber is transported in a single direction, connecting optical cables 110 are fixedly connected to both ends of the optical isolator 100, bracket assemblies are fixed to both ends of the optical isolator 100, each bracket assembly includes a mounting part, a supporting part, a fixing part and an upper buffer part, the fixing parts are arranged at both ends of an outer wall of the optical isolator 100, the fixing parts are arranged to connect the optical isolator 100 with the supporting parts, the fixing parts include a spacing ring 500, an inner wall of the spacing ring 500 is fixedly connected to both ends of the outer wall of the optical isolator 100, the spacing ring 500 is arranged to replace both ends of the outer wall of the optical isolator 100 to be connected with a ring-shaped clamping seat a400 and a ring-shaped clamping seat b410, a bottom end of the spacing ring 500 is provided with a ring-shaped clamping seat a400, the top end of the limiting ring 500 is provided with an annular clamping seat b410, the joints of the outer walls of the front end and the rear end of the annular clamping seat a400 and the annular clamping seat b410 are respectively fixed with a connecting plate 420, the connecting plates 420 are fixedly connected through bolts, the connecting plates 420 are arranged to fix the connecting ends of the annular clamping seat a400 and the annular clamping seat b410 through bolts so as to prevent the outer end of the optical isolator 100 from being separated from the joint of the annular clamping seat a400 and the annular clamping seat b410, and the fixing of the annular clamping seat a400 and the annular clamping seat b410 in this way can also facilitate an installer to detach the annular clamping seat a400 and the annular clamping seat b410 so as to facilitate the maintenance and the replacement of the optical isolator 100, the outer wall of the limiting ring 500 is provided with a limiting clamping groove 510, the inner walls of the annular clamping seat a400 and the annular clamping seat b410 are respectively fixed with a limiting clamping block 430 at the joint of the limiting clamping groove 510, and the limiting clamping block 430 is connected with the limiting clamping groove 510 in a sliding manner, the limiting clamping groove 510 and the limiting clamping block 430 are arranged to improve the fixing effect between the annular clamping seat a400 and the annular clamping seat b410 as well as the limiting ring 500, so as to prevent the annular clamping seat a400 and the annular clamping seat b410 from being separated from the limiting ring 500, the supporting part is fixedly connected with the outer wall of the bottom end of the fixing part, the supporting part comprises a supporting cylinder 300, the inner wall of the top end of the supporting cylinder 300 is slidably connected with a sliding rod 310, the upper end of the sliding rod 310 is fixedly connected with the outer wall of the bottom end of the annular clamping seat a400, the supporting cylinder 300 and the sliding rod 310 are arranged to connect the bottom end of the annular clamping seat a400 with the top end of the base 200, one end of the sliding rod 310 arranged in the supporting cylinder 300 is fixedly provided with a limiting plate 320, the inner wall of the supporting cylinder 300 is provided with a sliding groove 301 at the connection position with the limiting plate 320, the limiting plate 320 is slidably connected with the sliding groove 301, and the sliding groove 301 is arranged to facilitate the up and down sliding of the limiting plate 320, the inner walls of the bottom ends of the sliding grooves 301 are all fixed with a buffer spring b302, the upper ends of the buffer spring b302 are all fixedly connected with the outer wall of the bottom end of the limiting plate 320, the center of the outer wall of the bottom end of the limiting plate 320 is fixed with a micro damper 330, the outer wall of the bottom end of the limiting plate 320 and the left and right sides of the micro damper 330 are all fixed with elastic support rods 340, the bottoms of the micro damper 330 and the elastic support rods 340 are all fixedly connected with the inner wall of the bottom end of the support cylinder 300, when the optical isolator 100 is vibrated in the working process, the vibration is transmitted to the slide rod 310 through the annular clamping seat a400, the slide rod 310 transmits the vibration to the limiting plate 320, at this time, the micro damper 330, the elastic support rods 340 and the buffer spring b302 are arranged to buffer and absorb the generated vibration, thereby avoiding the vibration from affecting the optical isolator 100, and the top end of the mounting component is fixedly connected with the bottom end of the support component, the installation component includes base 200, base 200's both ends outer wall all is fixed with mounting panel 210, the mounting hole has all been seted up to mounting panel 210's top outer wall, mounting hole cooperation bolt fastening on the base 200 accessible mounting panel 210 that sets up is on the mounting plane, it sets up between two sets of fixed parts to go up the buffer component, the last buffer component that sets up is for protecting the exposed part of the top outer wall of isolator 100, the bottom outer wall both ends of going up the buffer component all with fixed part's top outer wall connection, the bottom outer wall center department of going up the buffer component is connected with the top outer wall center department of isolator 100, it includes top cap 600 to go up the buffer component, the bottom outer wall both ends of top cap 600 and the top outer wall fixed connection of annular cassette b410, the top cap 600 that sets up passes through fixed bolt and annular cassette b 410's top outer wall fixed connection, the mounting hole has still been seted up to the top outer wall of annular cassette b410 that the bottom outer wall below of top cap 600 is provided with buffer board 610, the bottom of buffer board 610 and the top outer wall connection of buffer board 610 is for the top outer wall of isolator 100 protects the top outer wall 621 that the bottom outer wall of isolator 100 is protected the bottom rubber pad 620 that the bottom rubber pad 620 and the buffer pad 620 that the bottom spring 620 that the fixed rubber pad is located and buffer pad 620 that the elastic rubber pad 620 and buffer pad 620 that the bottom protection can all be connected with the elastic buffer pad 620, and buffer pad 620 that set up the bottom of buffer pad 620, and buffer pad 620 that the bottom protection.

The utility model discloses a use as follows: firstly, technicians need to fixedly connect the bottom end of a support cylinder 300 with the outer wall of the top end of a base 200 by using fixing bolts, after connection is completed, both ends of the outer wall of an optical isolator 100 are fixedly sleeved with a limiting ring 500, then the inner wall of an annular clamping seat a400 fixed at the top end of a sliding rod 310 in advance is connected with the outer wall of the limiting ring 500, a limiting clamping block 430 fixed at the inner wall of the annular clamping seat a400 is inserted into a limiting clamping groove 510 formed in the outer wall of the limiting ring 500, after placement is completed, the annular clamping seat b410 is taken out and the inner wall of the annular clamping seat b410 is clamped at the top end of the limiting ring 500, then the limiting clamping block 430 fixed at the inner wall of the annular clamping seat b410 is inserted into the limiting clamping groove 510, then the connecting plates 420 connected with the outer walls at the front end and the rear end of the annular clamping seat a400 and the annular clamping seat b410 are fixed by using bolts, after fixation is completed, then the top cover 600 and a buffer plate 610 are taken out, the bottom end of the buffer plate 610 is abutted with the outer wall of the top end of the top cover of the buffer plate 100, after fixation of the annular clamping seat a400 and the annular clamping seat b410 are fixed, and the elastic rubber cushion plate 620, and the top cover 210 are mounted in a compression state, and the base 200, and the rubber cushion plate 210, and the base 200 are finally, and the rubber gasket are mounted in a compression state;

in the working process of optical isolator 100, when the mounting plane shakes, the miniature damper 330, the elastic support rod 340 and the buffer spring b302 can be used for buffering and absorbing the produced shake, so that the influence of the shake on the optical isolator 100 is avoided, and the optical isolator 100 can work normally.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of protection claimed by the present invention as far as possible.

Claims

1. The utility model provides a take optical isolator of support, includes optical isolator (100), the both ends fixedly connected with connection optical cable (110) of optical isolator (100), its characterized in that: bracket components are fixed at two ends of the optical isolator (100);

the bracket component includes installing component, support component, fixed part and goes up the buffering part, the fixed part sets up the both ends at optical isolator (100) outer wall, the bottom outer wall fixed connection of support component and fixed part, the top of installing component and the bottom fixed connection of support component, it sets up between two sets of fixed parts to go up the buffering part, the bottom outer wall both ends of going up the buffering part all with the top outer wall connection of fixed part, the bottom outer wall center department of going up the buffering part is connected with the top outer wall center department of optical isolator (100).

2. The optical isolator with mount of claim 1, wherein: the fixing part comprises a limiting ring (500), the inner wall of the limiting ring (500) is fixedly connected with the two ends of the outer wall of the optical isolator (100), an annular clamping seat a (400) is arranged at the bottom end of the limiting ring (500), an annular clamping seat b (410) is arranged at the top end of the limiting ring (500), connecting plates (420) are fixed at the outer wall connecting positions of the front end and the rear end of the annular clamping seat a (400) and the annular clamping seat b (410), and the connecting plates (420) are fixedly connected through bolts.

3. The optical isolator with mount of claim 2, wherein: the outer wall of the limiting ring (500) is provided with a limiting clamping groove (510), the inner walls of the annular clamping seat a (400) and the annular clamping seat b (410) are both fixed with a limiting clamping block (430) at the joint of the inner walls and the limiting clamping groove (510), and the limiting clamping block (430) is in sliding connection with the limiting clamping groove (510).

4. The optical isolator with mount of claim 2, wherein: the supporting part comprises a supporting barrel (300), a sliding rod (310) is connected to the inner wall of the top end of the supporting barrel (300) in a sliding mode, the upper end of the sliding rod (310) is fixedly connected with the outer wall of the bottom end of the annular clamping seat a (400), and a limiting plate (320) is fixed to one end, arranged inside the supporting barrel (300), of the sliding rod (310).

5. The optical isolator with mount of claim 4, wherein: spout (301) have all been seted up with limiting plate (320) junction to the inner wall of a support section of thick bamboo (300), limiting plate (320) and spout (301) sliding connection, the bottom inner wall of spout (301) all is fixed with buffer spring b (302), the upper end of buffer spring b (302) all with the bottom outer wall fixed connection of limiting plate (320).

6. The optical isolator with mount of claim 5, wherein: the miniature damper is characterized in that a miniature damper (330) is fixed at the center of the outer wall of the bottom end of the limiting plate (320), elastic support rods (340) are fixed on the outer wall of the bottom end of the limiting plate (320) and positioned on the left side and the right side of the miniature damper (330), and the bottoms of the miniature damper (330) and the elastic support rods (340) are fixedly connected with the inner wall of the bottom end of the supporting cylinder (300).

7. The optical isolator with mount of claim 4, wherein: the mounting component comprises a base (200), mounting plates (210) are fixed to the outer walls of the two ends of the base (200), and mounting holes are formed in the outer walls of the top ends of the mounting plates (210).

8. The optical isolator with mount of claim 2, wherein: go up buffer unit and include top cap (600), the bottom outer wall both ends of top cap (600) and the top outer wall fixed connection of annular cassette b (410), the bottom outer wall below of top cap (600) is provided with buffer board (610), the bottom of buffer board (610) and the top outer wall connection of optoisolator (100), the bottom outer wall both ends of buffer board (610) all are fixed with elastic rubber pad (620), the bottom outer wall of top cap (600) just is located and is fixed with buffer spring a (621) between two sets of elastic rubber pad (620), elastic rubber pad (620) and the bottom of buffer spring a (621) all with the top outer wall fixed connection of buffer board (610).