Optical fiber coupler with high protection performance

Abstract

The utility model discloses an optical fiber coupler with high protection performance, and relates to the technical field of optical fiber couplers. The high-protection-performance optical fiber coupler comprises an optical fiber coupler body and connecting pipes symmetrically arranged at the two ends of the optical fiber coupler body. The positioning assembly is used for fixing an optical fiber which is inserted into the connecting pipe and connected with the optical fiber coupler body, and the positioning assembly comprises a connecting ring fixedly arranged on the outer surface of the connecting pipe. According to the utility model, through the arrangement of the positioning assembly, in the actual use process of the optical fiber coupler, after the two optical fiber plugs respectively penetrate through the connecting pipe and are connected with the optical fiber coupler body, the optical fiber can be effectively fixed, and the separation of the optical fiber and the optical fiber coupler body caused by unattended pulling is avoided; therefore, the stability of the optical fiber coupler body after being connected with the optical fiber is ensured, and the defect that the fixing effect on the optical fiber is poor in the prior art is effectively overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber coupler technical field, concretely is a kind of high protection performance optical fiber coupler. BACKGROUND

[0002] Optical fiber coupler is also called bifurcator, connector, adapter, optical fiber flange, is used to realize optical signal branching / combining, or for extending optical fiber link element, the existing patent a kind of optical fiber coupler, patent announcement No.CN209486346U, it includes coupling main body and two end covers, the coupling main body includes shell and metal adapter, the metal adapter one end is equipped with the first recess position for input optical fiber plug-in, the other end of metal adapter is equipped with the second recess position for output optical fiber plug-in, metal adapter is equipped with heat-absorbing layer outside, heat-absorbing layer is equipped with shock-absorbing layer outside;End cover is equipped with the through-hole for input optical fiber or output optical fiber to pass through, the inner side wall of through-hole is equipped with at least two elastic protrusions, elastic protrusion supports the input optical fiber or output optical fiber, end cover is equipped with the first supporting portion near coupling main body one end, the outer circumference of first supporting portion is equipped with convex strip, the one end of coupling main body near end cover is equipped with the second supporting portion, the inner side wall of second supporting portion is equipped with the sliding groove matched with convex strip. Its simple structure can effectively guarantee the stability of optical fiber connection, and is easy to disassemble and assemble.

[0003] For the related technology in the above, the inventor believes that the following defects exist: the technical scheme proposed by the above patent technology can only fix the optical fiber with a specific thickness by elastic protrusion, and the fixing method of elastic protrusion only relies on the reaction force after the deformation of elastic protrusion, which leads to poor fixing effect of optical fiber. Therefore, we propose a kind of high protection performance optical fiber coupler to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of high protection performance optical fiber coupler, solve the problem of poor fixing effect of optical fiber proposed in background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of high protection performance optical fiber coupler, comprising:

[0006] Optical fiber coupler body and the connecting pipe symmetrically arranged at both ends of optical fiber coupler body;

[0007] Positioning assembly for fixing optical fibers inserted into the connecting pipe and connected with the optical fiber coupler body, the positioning assembly comprises a connecting ring fixed on the outer surface of the connecting pipe, and an annular cavity is formed in the inner part of the connecting ring, four cylindrical cavities are formed in the inner part of the connecting pipe in a circumferential array, the inner bottom wall of each of the four cylindrical cavities is provided with a sliding hole extending into the inner part of the connecting pipe, and the inner wall of each of the four sliding holes is slidably provided with a sliding column, the end part of each of the four sliding columns is fixedly provided with an arc-shaped rubber pad, the positioning assembly further comprises four threaded columns rotatably arranged on the inner wall of the annular cavity in a circumferential array and respectively extending into the inner part of the four cylindrical cavities, and a rotating ring arranged on the outer surface of the connecting ring and used for driving the four threaded columns to rotate simultaneously, and the end part of the sliding column is provided with a cylindrical threaded groove in threaded connection with the outer surface of the threaded column.

[0008] Preferably, the end part of the sliding column is fixedly provided with two symmetrical limiting blocks, and the inner wall of the cylindrical cavity is provided with a limiting sliding groove for sliding of the two limiting blocks.

[0009] Preferably, the inner top wall of the annular cavity is provided with an annular opening, and the inner wall of the annular opening is slidably provided with a sliding ring, the inner wall of the rotating ring is fixedly connected with the outer surface of the sliding ring, and the inner ring surface of the sliding ring is fixedly provided with a bevel gear ring.

[0010] Preferably, the outer surface of each of the four threaded columns is fixedly provided with a bevel gear, and the four bevel gears are in meshing connection with the bevel gear ring.

[0011] Preferably, the outer ring surface of the connecting ring is symmetrically provided with two bearings, the inner ring surface of the bearing is fixedly connected with the outer ring surface of the connecting ring, and the outer surface of the bearing is fixedly connected with the inner ring surface of the rotating ring.

[0012] Preferably, the outer surface of the rotating ring is provided with anti-skid patterns, and the anti-skid patterns are a plurality of strip-shaped grooves formed in a circumferential array on the outer ring surface of the rotating ring.

[0013] Beneficial effects

[0014] The utility model provides a kind of high protection performance optical fiber coupler.Compared with prior art, it has the following beneficial effects:

[0015] The high protection performance optical fiber coupler is provided with positioning assembly, so that when two optical fiber plugs are connected with the optical fiber coupler body after passing through the connecting pipe, the optical fiber can be effectively fixed, the optical fiber and the optical fiber coupler body are prevented from being separated due to careless pulling, the stability of the optical fiber coupler body and the optical fiber after connection is ensured, the optical fiber and the optical fiber coupler after connection are effectively protected, and the defect of poor fixing effect of optical fiber in prior art is effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a connecting pipe section structure schematic view of the utility model;

[0018] Figure 3 It is the utility model Figure 2 The enlarged structure schematic view of A in the middle;

[0019] Figure 4 It is the utility model Figure 2 The enlarged structure schematic view of B in the middle.

[0020] In the figure:

[0021] 100, fiber coupler body;

[0022] 200, connecting pipe;

[0023] 300, positioning assembly; 301, connecting ring; 302, annular cavity; 303, cylindrical cavity; 304, sliding column; 305, arc-shaped rubber pad; 306, rotating ring; 307, cylindrical threaded groove; 308, limiting block; 309, sliding ring; 3010, bevel gear ring; 3011, bevel gear; 3012, bearing; 3013, anti-slip pattern; 3014, threaded column. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of high protection performance fiber coupler, comprising:

[0026] fiber coupler body 100 and the connecting pipe 200 symmetrically arranged at both ends of fiber coupler body 100;

[0027] The positioning assembly 300 is used for fixing the optical fiber inserted into the connecting pipe 200 and connected with the optical fiber coupler body 100, and the positioning assembly 300 comprises a connecting ring 301 fixed on the outer surface of the connecting pipe 200, and an annular cavity 302 is formed in the inner portion of the connecting ring 301, four cylindrical cavities 303 are formed in the inner portion of the connecting ring 301 in a circumferential array, and the inner bottom wall of each of the four cylindrical cavities 303 is provided with a sliding hole extending to the inner portion of the connecting pipe 200, and the inner wall of each of the four sliding holes is slidably provided with a sliding column 304, and the end portion of each of the four sliding columns 304 is fixedly provided with an arc-shaped rubber pad 305.

[0028] Referring to Figure 4 , the end portion of the sliding column 304 is fixedly provided with two symmetrical limiting blocks 308, and the inner wall of the cylindrical cavity 303 is provided with a limiting sliding groove for sliding of the two limiting blocks 308.

[0029] By arranging the limiting blocks 308 and the limiting sliding groove, the stability of the sliding column 304 during movement is effectively ensured.

[0030] The positioning assembly 300 further comprises four screw columns 3014 arranged in a circumferential array on the inner wall of the annular cavity 302 and respectively extending to the inner portion of the four cylindrical cavities 303, and a rotating ring 306 arranged on the outer surface of the connecting ring 301 and used for driving the four screw columns 3014 to simultaneously rotate, and the end portion of the sliding column 304 is provided with a cylindrical threaded groove 307 threadedly connected with the outer surface of the screw column 3014.

[0031] Referring to Figure 4 , the inner top wall of the annular cavity 302 is provided with an annular opening, and the inner wall of the annular opening is slidably provided with a sliding ring 309, the inner wall of the rotating ring 306 is fixedly connected with the outer surface of the sliding ring 309, and the inner ring surface of the sliding ring 309 is fixedly provided with a bevel gear ring 3010.

[0032] By arranging the rotating ring 306, the bevel gear ring 3010 can be driven to rotate by rotating the rotating ring 306.

[0033] Referring to Figure 4 , the outer surface of each of the four screw columns 3014 is fixedly provided with a bevel gear 3011, and each of the four bevel gears 3011 is in meshing connection with the bevel gear ring 3010.

[0034] By arranging the bevel gear 3011, the four screw columns 3014 can be driven to simultaneously rotate by rotating the bevel gear ring 3010 through the four bevel gears 3011 after the bevel gear ring 3010 is driven to rotate by rotating the rotating ring 306.

[0035] Referring to Figure 4The outer ring surface of the connecting ring 301 is symmetrically provided with two bearings 3012, and the inner ring surface of the bearing 3012 is fixedly connected with the outer ring surface of the connecting ring 301, and the outer surface of the bearing 3012 is fixedly connected with the inner ring surface of the rotating ring 306.

[0036] The bearings 3012 are arranged, so that the rotating ring 306 and the connecting ring 301 can smoothly rotate, and personnel can rotate the rotating ring 306.

[0037] Referring to Figure 2 The outer surface of the rotating ring 306 is provided with anti-skid lines 3013, and the anti-skid lines 3013 are a plurality of strip-shaped grooves arranged in a circumferential array on the outer ring surface of the rotating ring 306.

[0038] The anti-skid lines 3013 are arranged, so that personnel can smoothly rotate the rotating ring 306.

[0039] The utility model discloses a positioning assembly 300 is arranged, so that when two optical fiber plugs respectively pass through the connecting pipe 200 and are connected with the optical fiber coupler body 100, the effective fixing of the optical fiber can be realized, the separation of the optical fiber and the optical fiber coupler body 100 caused by the inattentive pulling is avoided, the stability of the optical fiber coupler body 100 after being connected with the optical fiber is guaranteed, and the poor fixing effect of the optical fiber in the prior art is effectively solved.

[0040] Working principle:

[0041] The optical fiber coupler in the actual use's process, when two optical fiber plugs respectively pass through the connecting pipe 200 and are connected with the optical fiber coupler body 100, can rotate the rotating ring 306 and drive the sliding ring 309 to rotate, the rotation of the sliding ring 309 drives the conical gear ring 3010 to rotate, the rotation of the conical gear ring 3010 drives the four bevel gears 3011 to rotate simultaneously, the rotation of the bevel gear 3011 drives the four threaded columns 3014 to rotate simultaneously, and the rotation of the threaded column 3014 drives the four sliding columns 304 to move to the middle under the action of the cylindrical thread groove 307, so that the four arc-shaped rubber pads 305 move to the middle simultaneously and effectively clamp and fix the optical fiber, realize the effective fixing of the optical fiber, avoid the separation of the optical fiber and the optical fiber coupler body 100 caused by the inattentive pulling, guarantee the stability of the optical fiber coupler body 100 after being connected with the optical fiber, and effectively solve the poor fixing effect of the optical fiber in the prior art.

[0042] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

Claims

1. A high performance optical fiber coupler, comprising: The application relates to a fiber coupler body (100) and connecting pipes (200) symmetrically arranged at two ends of the fiber coupler body (100). A positioning assembly (300) is arranged on the outer surface of the connecting pipe (200) and is used for fixing an optical fiber inserted into the connecting pipe (200) and connected with the fiber coupler body (100). The inner part of the connecting ring (301) is provided with an annular cavity (302). Four columnar cavities (303) are arranged in a circumferential array on the inner part of the connecting pipe (200) and the connecting ring (301). The inner bottom wall of each of the four columnar cavities (303) is provided with a sliding hole extending into the inner part of the connecting pipe (200). The inner wall of each of the four sliding holes is slidably provided with a sliding column (304). The end of each of the four sliding columns (304) is fixedly provided with an arc-shaped rubber pad (305). The positioning assembly (300) further comprises screw columns (3014) arranged in a circumferential array on the inner wall of the annular cavity (302) and extending into the inner part of the four columnar cavities (303) respectively, and a rotating ring (306) arranged on the outer surface of the connecting ring (301) and used for driving the four screw columns (3014) to rotate simultaneously. The end of the sliding column (304) is provided with a columnar threaded groove (307) threadedly connected with the outer surface of the screw column (3014). The end of the sliding column (304) is fixedly provided with two symmetrical limiting blocks (308), and the inner wall of the columnar cavity (303) is provided with a limiting sliding groove for the sliding of the two limiting blocks (308).

2. A high protection optical fiber coupler according to claim 1, characterized in that: The inner top wall of the annular cavity (302) is provided with an annular opening, and the inner wall of the annular opening is slidably provided with a sliding ring (309). The inner wall of the rotating ring (306) is fixedly connected with the outer surface of the sliding ring (309). The inner ring surface of the sliding ring (309) is fixedly provided with a bevel gear ring (3010).

3. A high protection optical fiber coupler according to claim 1, characterized in that: The outer surface of each of the four screw columns (3014) is fixedly provided with a bevel gear (3011), and each of the four bevel gears (3011) is meshed with the bevel gear ring (3010).

4. A high protection optical fiber coupler according to claim 3, characterized in that: The outer ring surface of the connecting ring (301) is symmetrically provided with two bearings (3012), and the inner ring surface of the bearing (3012) is fixedly connected with the outer ring surface of the connecting ring (301). The outer surface of the bearing (3012) is fixedly connected with the inner ring surface of the rotating ring (306).

5. A high protection optical fiber coupler according to claim 1, characterized in that: The outer surface of the rotating ring (306) is provided with anti-skid lines (3013), and the anti-skid lines (3013) are a plurality of strip-shaped grooves arranged in a circumferential array on the outer ring surface of the rotating ring (306).

6. A high protection optical fiber coupler according to claim 1, characterized in that: ​

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