A highly waterproof optical fiber connector

Abstract

The invention discloses a highly waterproof optical fiber connector, which belongs to the field of optical fiber. Through the setting of an outer sealing cover, when connecting two optical fibers, a left connector and a right connector are directly plugged in, and then the outer sealing cover is rotated and fixed to achieve bidirectional sealing at the connector. In this process, on the one hand, compared with direct plug-in connection, only one more operation of rotating the outer sealing cover is required, the operation is simple, the installation efficiency is not easily affected, and the situation of mutual entanglement of optical fibers can be effectively avoided. On the other hand, a moving magnetic ring piece is stretched and twisted along with the outer sealing cover, so as to be tightly attached to the surfaces of the left connector and the right connector to achieve sealing at the interface. At the same time, multiple pressure sealing bags are squeezed and expanded to effectively achieve sealing at the control position slot group, achieve bidirectional sealing, and effectively avoid infiltration of external rainwater. In addition, when water seeps, obvious color change will occur at the moving magnetic ring piece. When a line failure occurs due to water seepage, the difficulty and workload of staff in checking the water seepage point are greatly reduced.

Description

Technical Field

[0001] The invention relates to the field of optical fibers, and more particularly to a highly waterproof optical fiber connector. Background Art

[0002] When an optical fiber is disconnected in the middle or two optical fibers need to be connected, the optical fibers generally need to be connected, wherein an optical fiber connector sheath is one of the connection tools, and the optical fiber connector sheath is generally used for connection operations in waterproof indoor areas.

[0003] However, for outdoor areas or places subject to rain erosion, the waterproofness of the directly exposed optical connector sheath is limited, which can cause rainwater to penetrate into the optical fiber, remove the outer protective jacket and corrode the wire core, causing failure at the connection and affecting signal transmission. The prior art generally uses a junction box for waterproofing, but this method is more complicated to operate, and there is also a risk of optical fiber entanglement when connecting multiple groups of optical fibers. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the problems existing in the prior art, the purpose of the present invention is to provide a highly waterproof optical fiber connector. Through the setting of an outer sealing cover, when connecting two optical fibers, the left connector and the right connector are directly plugged in, and then the outer sealing cover is rotated and fixed to achieve two-way sealing at the connector. In this process, on the one hand, compared with direct plug-in connection, only one more operation of rotating the outer sealing cover is required, which is simple to operate, not easy to affect the installation efficiency, and effectively avoids the situation where the optical fibers are entangled with each other. On the other hand, the moving magnetic ring piece is stretched and twisted with the outer sealing cover, so that it is tightly attached to the surfaces of the left connector and the right connector to achieve sealing at the interface. At the same time, multiple pressure sealing bags are squeezed and expanded to effectively achieve sealing at the control position slot group, achieve two-way sealing, and effectively avoid infiltration of external rainwater. In addition, when water seeps, obvious discoloration will occur at the moving magnetic ring piece. When a line failure occurs due to water seepage, the difficulty and workload of the staff in troubleshooting the water seepage point are greatly reduced.

[0006] 2. Technical solution

[0007] To solve the above problems, the present invention adopts the following technical solutions.

[0008] A highly waterproof optical fiber connector, comprising a left connector and a right connector, the right connector being provided with an outer sealing cover, the right connector being provided with a position control groove group, the position control groove group comprising a swivel groove close to one side of the left connector and a plurality of transverse sliding grooves and a positioning transverse groove located on a side of the swivel groove away from the left connector, the transverse sliding groove and the positioning transverse groove being both communicated with the swivel groove, the end of the outer sealing cover close to the right connector being fixedly connected with a plurality of self-locking blocks that slide with the transverse sliding grooves respectively, the plurality of transverse sliding grooves and the positioning transverse grooves being distributed at intervals from each other, the outer end of the right connector being fixedly connected with a limiting ring, the limiting ring being located on the side of the swivel groove close to the left connector, the outer sealing cover being provided with an inner moving ring cavity, the inner wall of the inner moving ring cavity being away from the left connector being fixedly connected with a plurality of uniformly distributed and mutually contacting pressure sealing bags, the end of the pressure sealing bag not being in contact with the limiting ring, a moving magnetic ring piece being fixedly connected between the other inner wall of the inner moving ring cavity and the limiting ring, the outer ends of the right connector and the left connector close to each other being fixedly inlaid with a plurality of uniformly distributed fixed magnetic pieces.

[0009] Furthermore, the positions of the plurality of fixed magnetic sheets correspond to the positions of the plurality of positioning transverse grooves, respectively, and the width of the positioning transverse groove is consistent with the transverse sliding groove, and the length of the transverse sliding groove is 2-5 times that of the positioning transverse groove.

[0010] Furthermore, when the self-locking block matches the positioning transverse groove, the center line of the moving magnetic ring piece is located at the connection between the left joint and the right joint.

[0011] Furthermore, the outer cover is engraved with a plurality of marking lines corresponding to the transverse sliding groove and the positioning transverse groove, respectively, and the length of the marking line corresponding to the transverse sliding groove is greater than the length of the marking line corresponding to the positioning transverse groove.

[0012] Furthermore, the dynamic magnetic ring piece includes two outer dynamic layers, an edge sealing layer fixedly connected to the middle of the two outer dynamic layers, and a plurality of inner magnetic cores respectively embedded in the edge sealing layers, the plurality of inner magnetic cores respectively correspond to a plurality of transverse sliding grooves, and the side of the inner magnetic core close to the right joint is set as a curved surface, and the curvature is consistent with the curvature of the right joint surface.

[0013] Furthermore, the outer moving layer is made of an elastic porous material, and the outer surface of the outer moving layer facing outward is coated with a water-discoloring layer, and the edge sealing layer is made of a flexible sealing material.

[0014] Furthermore, a bottom sealing layer is fixedly connected to the lower end of the edge sealing layer, and a lateral span of the bottom sealing layer is greater than the total length of the two fixed magnetic sheets.

[0015] Furthermore, the compression sealing bag includes two side plates, a compression expansion layer fixedly connected between the two side plates, and a plurality of lining bent rods, wherein the plurality of lining bent rods are located in the compression expansion layer, and one of the side plates is fixed to the inner wall of the inner dynamic ring cavity.

[0016] Furthermore, the cross-sections of the compression-expansion layer and the inner lining bent rod are both arc-shaped structures arched outward, and the bending degree of the compression-expansion layer is greater than that of the inner lining bent rod.

[0017] Furthermore, the compression expansion layer is an elastic sealing structure, and is filled with an inert gas, and the compression expansion layer is in a saturated state, and the lining bent rod is an elastic structure.

[0018] 3. Beneficial effects

[0019] Compared with the prior art, the advantages of the present invention are:

[0020] (1) When connecting two optical fibers, this solution directly plugs the left connector and the right connector into each other, then rotates the outer cover and fixes it to achieve a two-way seal at the connector. During this process, on the one hand, compared with direct plug-in connection, there is only one more operation, which is to rotate the outer cover. The operation is simple and will not affect the installation efficiency. It can also effectively avoid the entanglement of the optical fibers. On the other hand, the moving magnetic ring is stretched and twisted along with the outer cover, so that it is tightly attached to the surface of the left connector and the right connector to achieve sealing at the interface. At the same time, multiple pressure-sealing bags are squeezed and expanded to effectively achieve sealing at the position control slot group, achieving a two-way seal and effectively avoiding infiltration of rainwater from the outside. In addition, when water seeps, the moving magnetic ring will undergo obvious discoloration. When a line failure occurs due to water seepage, the difficulty and workload of the staff in troubleshooting the water seepage point are greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 2 It is a three-dimensional structural schematic diagram of the right joint part of the present invention;

[0023] Figure 3 It is a structural schematic diagram of a cross section of the right joint portion of the present invention;

[0024] Figure 4 for Figure 3 The structural diagram at A in the middle;

[0025] Figure 5 It is a structural schematic diagram of the cross section of the inner sealed magnetic ring of the present invention;

[0026] Figure 6 It is a structural schematic diagram of the front side of the inner sealed magnetic ring part of the present invention;

[0027] Figure 7 It is a schematic diagram of the three-dimensional structure of multiple compression-sealed capsules of the present invention;

[0028] Figure 8 It is a three-dimensional structural schematic diagram of the compression-sealed capsule of the present invention;

[0029] Fig. 9 It is a schematic diagram of a half-section structure of the compression-sealed capsule of the present invention;

[0030] Fig.10 It is a schematic diagram of the changing structure of the external sealing cover of the present invention before and after being limited.

[0031] Description of the numbers in the figure:

[0032] 11 left joint, 12 right joint, 2 marking line, 3 position control groove group, 31 horizontal slide groove, 32 swivel groove, 33 positioning horizontal groove, 4 outer sealing cover, 5 limiting ring, 6 pressure sealing bag, 61 side plate, 62 pressure expansion layer, 63 inner lining bent rod, 7 inner moving ring cavity, 8 fixed magnetic sheet, 9 moving magnetic ring sheet, 91 outer moving layer, 92 edge sealing layer, 93 inner magnetic core, 10 bottom sealing layer. DETAILED DESCRIPTION

[0033] The following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all the embodiments. All other embodiments obtained by ordinary technicians in this field without creative work based on the embodiments of the present invention belong to the scope of protection of the present invention.

[0034] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Embodiment 1:

[0037] See also Figure 1-2A highly waterproof optical fiber connector, comprising a left connector 11 and a right connector 12, an outer sealing cover 4 is provided outside the right connector 12, a position control groove group 3 is excavated outside the right connector 12, the position control groove group 3 comprises a swivel groove 32 near the side of the left connector 11 and a plurality of transverse sliding grooves 31 and a positioning transverse groove 33 located on the side of the swivel groove 32 away from the left connector 11, the transverse sliding groove 31 and the positioning transverse groove 33 are both connected to the swivel groove 32, and a plurality of self-locking blocks that slide with the transverse sliding groove 31 are fixedly connected to the end of the outer sealing cover 4 near the right connector 12 , multiple transverse sliding grooves 31 and positioning transverse grooves 33 are distributed at intervals with each other, the outer end of the right joint 12 is fixedly connected to the limiting ring 5, and the limiting ring 5 is located on the side of the swivel groove 32 close to the left joint 11. After the left joint 11 and the right joint 12 are connected, the outer cover 4 is first controlled to move toward the left joint 11, and then the outer cover 4 is controlled to rotate, so that the self-locking block is transferred from the transverse sliding groove 31 to the positioning transverse groove 33 along the swivel groove 32, thereby limiting the outer cover 4, so that the outer cover 4 can provide waterproof protection for the left joint 11 and the right joint 12.

[0038] When the self-locking block matches the positioning transverse groove 33, the center line of the dynamic magnetic ring piece 9 is located at the connection between the left joint 11 and the right joint 12, which effectively ensures that after the position of the outer cover 4 is fixed, the dynamic magnetic ring piece 9 is just tightly wrapped between the connection between the two, thereby effectively blocking the external water from penetrating into the inside of the connection, thereby effectively ensuring the stability of the signal transmission of the optical cable line.

[0039] The outer cover 4 is engraved with a plurality of marking lines 2 corresponding to the transverse slide groove 31 and the positioning transverse groove 33, and the length of the marking line 2 corresponding to the transverse slide groove 31 is greater than the length of the marking line 2 corresponding to the positioning transverse groove 33. When the left joint 11 and the right joint 12 are not connected, the long marking line 2 corresponds to the transverse slide groove 31, and the short marking line 2 corresponds to the positioning transverse groove 33. When the two are plugged in and connected, as shown in FIG. Fig.10 , control the rotation of the outer sealing cover 4, and through the change of the position of the long and short marking lines 2, the position of the self-locking block during rotation can be timely understood, so that it can be smoothly rotated to the positioning transverse groove 33 and then stuck into the positioning transverse groove 33 to achieve limiting, so that the position of the outer sealing cover 4 is fixed, thereby achieving sealing protection for the connection between the left joint 11 and the right joint 12.

[0040] See also Figure 3 The outer sealing cover 4 has an inner ring cavity 7 formed inside. Figure 4 A dynamic magnetic ring piece 9 is fixedly connected between the other inner wall of the inner dynamic ring cavity 7 and the limit ring 5, and the outer ends of the right joint 12 and the left joint 11 close to each other are fixedly inlaid with multiple evenly distributed fixed magnetic pieces 8, and the positions of the multiple fixed magnetic pieces 8 correspond to the positions of the multiple positioning transverse grooves 33, and the width of the positioning transverse groove 33 is consistent with the transverse sliding groove 31, and the length of the transverse sliding groove 31 is 2-5 times the positioning transverse groove 33.

[0041] See also Figure 5-6The moving magnetic ring piece 9 includes two outer moving layers 91, an edge sealing layer 92 fixedly connected to the middle of the two outer moving layers 91, and a plurality of inner magnetic cores 93 respectively embedded in the edge sealing layer 92. The side of the inner magnetic core 93 close to the right joint 12 is set as a curved surface, and the curvature is consistent with the curvature of the surface of the right joint 12. After the outer sealing cover 4 is limited and fixed, when the middle part of the moving magnetic ring piece 9 is covered at the connection between the left joint 11 and the right joint 12, the curvature of the inner magnetic core 93 is consistent with that of the right joint 12 surface, so that the moving magnetic ring piece 9 has better coverage of the connection, less likely to have gaps, and better waterproof performance.

[0042] The multiple inner magnetic cores 93 correspond to the multiple transverse sliding grooves 31 respectively, and the magnetic fixed magnetic piece 8 corresponds to the position of the positioning transverse groove 33, so that when the left joint 11 and the right joint 12 are not connected, the inner magnetic core 93 and the fixed magnetic piece 8 are misaligned, so that the two are not easy to affect each other at this time. When the two are connected, it is not easy to affect the movement of the outer cover 4 along the transverse sliding groove 31. At the same time, the outer cover 4 is rotated to make it stuck in the positioning transverse groove 33. The inner magnetic core 93 and the fixed magnetic piece 8 mostly overlap. On the one hand, the two are attracted to each other, so that the dynamic magnetic ring piece 9 is better wrapped at the connection. On the other hand, when the dynamic magnetic ring piece 9 is wrapped outside the connection between the left joint 11 and the right joint 12, it is twisted at a certain angle, so that it is in a relatively tight state. At this time, the tightness of the dynamic magnetic ring piece 9 wrapping the connection is further improved.

[0043] The outer moving layer 91 is made of elastic porous material, and the outer surface of the outer moving layer 91 facing outward is coated with a water-discoloring layer. When external water penetrates into the inner moving ring cavity 7 along the outer sealing cover 4, the water first contacts the outer moving layer 91. At this time, since the moving magnetic ring piece 9 is in a stretched state, the pores on its surface are larger, which is convenient for water to pass through the pores and contact the water-discoloring layer on the upper surface of the outer moving layer 91 to change its color. When the staff performs maintenance, the water seepage point can be locked in time, reducing the workload and difficulty of investigation. The edge sealing layer 92 is made of flexible sealing material, and the lower end of the edge sealing layer 92 is fixedly connected to the bottom sealing layer 10. The lateral span of the bottom sealing layer 10 is greater than the total length of the two fixed magnetic sheets 8. After the moving magnetic ring piece 9 is wrapped at the connection between the left joint 11 and the right joint 12, the bottom sealing layer 10 can cover the fixed magnetic sheets 8 on the two at the same time, so that when water seeps, it is difficult for rainwater to seep in along the inlaid gap between the fixed magnetic sheet 8 and the left joint 11 or the right joint 12, further improving the waterproof effect.

[0044] like Figure 3 and 7 The inner wall of the inner dynamic ring cavity 7 away from the left joint 11 is fixedly connected with a plurality of uniformly distributed and mutually contacting compression capsules 6, and the end of the compression capsule 6 does not contact the limiting ring 5. Please refer to Figure 8-9The pressure-sealing bag 6 includes two side plates 61, a compression layer 62 fixedly connected between the two side plates 61, and a plurality of inner lining bent rods 63. The plurality of inner lining bent rods 63 are located in the compression-expansion layer 62. One side plate 61 is fixed to the inner wall of the inner dynamic ring cavity 7. When the outer sealing cover 4 is moved along the horizontal sliding groove 31, the other side plate 61 is squeezed and contacted with the limit ring 5 without being fixed, so that the pressure-sealing bag 6 is not easy to affect the rotation of the outer sealing cover 4.

[0045] The cross-sections of the pressure expansion layer 62 and the inner lining curved rod 63 are both arc-shaped structures that arch outward, and the curvature of the pressure expansion layer 62 is greater than that of the inner lining curved rod 63. The inner lining curved rod 63 serves as an inner lining, so that the overall strength of the pressure sealing bag 6 is relatively high, and the sealing effect at the position control groove group 3 is better, so that rainwater that infiltrates along the horizontal sliding groove 31 is not easy to cross the pressure sealing bag 6 to reach the connection between the left joint 11 and the right joint 12. The pressure expansion layer 62 is an elastic sealing structure, and the pressure expansion layer 62 is filled with inert gas, and The expansion layer 62 is in a saturated state, and the inner lining bent rod 63 is an elastic structure. When the outer sealing cover 4 moves, the other side plate 61 and the limit ring 5 squeeze each other, causing the expansion layer 62 to expand outward. As the moving length becomes longer and longer, the expansion limit of the expansion layer 62 becomes larger and larger, until multiple compression-sealing bags 6 are squeezed and attached to each other, so that the contact parts with the surface of the right joint 12 and the inner moving ring cavity 7 are gradually transformed into sealed surface contact, so that the compression-sealing bags 6 are sealed on the left and right, effectively intercepting the infiltrated rainwater.

[0046] By setting the outer sealing cover 4, when connecting two optical fibers, the left connector 11 and the right connector 12 are directly plugged in, and then the outer sealing cover 4 is rotated and fixed to achieve bidirectional sealing at the joint. In this process, on the one hand, compared with direct plug-in connection, only one more operation of rotating the outer sealing cover 4 is added, the operation is simple, it is not easy to affect the installation efficiency, and it is effective to avoid the optical fibers from being entangled with each other. On the other hand, the dynamic magnetic ring piece 9 is stretched and twisted with the outer sealing cover 4, so as to be tightly attached to the surfaces of the left connector 11 and the right connector 12 to achieve sealing at the interface. At the same time, multiple pressure sealing bags 6 are squeezed and expanded to effectively achieve sealing at the control slot group 3, achieve bidirectional sealing, and effectively avoid infiltration of external rainwater. In addition, when water seeps, obvious discoloration will occur at the dynamic magnetic ring piece 9. When a line failure occurs due to water seepage, the difficulty and workload of the staff in troubleshooting the water seepage point are greatly reduced.

[0047] The above is only a preferred specific implementation manner of the present invention; but the protection scope of the present invention is not limited thereto; any technician familiar with the technical field within the technical scope disclosed by the present invention; any equivalent replacement or change based on the technical solution and improved concept of the present invention shall be covered by the protection scope of the present invention.

Claims

1. A highly waterproof optical fiber connector, comprising a left connector (11) and a right connector (12), characterized in that: The right joint (12) is provided with an outer sealing cover (4). The right joint (12) is provided with a position control groove group (3). The position control groove group (3) includes a swivel groove (32) on the side close to the left joint (11) and a plurality of transverse sliding grooves (31) and positioning transverse grooves (33) on the side of the swivel groove (32) away from the left joint (11). The transverse sliding grooves (31) and the positioning transverse grooves (33) are both connected to the swivel groove (32). The end of the outer sealing cover (4) close to the right joint (12) is fixedly connected with a plurality of self-locking blocks that slide with the transverse sliding grooves (31) respectively. The plurality of transverse sliding grooves (31) and the positioning transverse grooves (33) are spaced apart from each other. The outer end of the right joint (12) is fixedly connected to a limit ring (5), and the limit ring (5) is located on the side of the rotating ring groove (32) close to the left joint (11). An inner moving ring cavity (7) is excavated inside the outer sealing cover (4), and a plurality of evenly distributed and mutually contacting pressure sealing bags (6) are fixedly connected to the inner wall of the inner moving ring cavity (7) away from the left joint (11), and the end of the pressure sealing bag (6) does not contact the limit ring (5). A moving magnetic ring piece (9) is fixedly connected between the other inner wall of the inner moving ring cavity (7) and the limit ring (5), and a plurality of evenly distributed fixed magnetic pieces (8) are fixedly embedded in the outer ends of the right joint (12) and the left joint (11) close to each other.

2. A highly waterproof optical fiber connector according to claim 1, characterized in that: The positions of the plurality of fixed magnetic sheets (8) respectively correspond to the positions of the plurality of positioning transverse grooves (33), and the width of the positioning transverse groove (33) is consistent with that of the transverse sliding groove (31), and the length of the transverse sliding groove (31) is 2-5 times the length of the positioning transverse groove (33).

3. A highly waterproof optical fiber connector according to claim 2, characterized in that: When the self-locking block matches the positioning transverse groove (33), the center line of the moving magnetic ring piece (9) is located at the connection between the left joint (11) and the right joint (12).

4. The highly waterproof optical fiber connector according to claim 1, characterized in that: The outer cover (4) is engraved with a plurality of marking lines (2) corresponding to the transverse sliding groove (31) and the positioning transverse groove (33), and the length of the marking line (2) corresponding to the transverse sliding groove (31) is greater than the length of the marking line (2) corresponding to the positioning transverse groove (33).

5. A highly waterproof optical fiber connector according to claim 4, characterized in that: The moving magnetic ring piece (9) comprises two outer moving layers (91), an edge sealing layer (92) fixedly connected to the middle of the two outer moving layers (91), and a plurality of inner magnetic cores (93) respectively embedded in the edge sealing layers (92), the plurality of inner magnetic cores (93) respectively corresponding to a plurality of transverse sliding grooves (31), and a side of the inner magnetic core (93) close to the right joint (12) is provided with a curved surface, and the curvature is consistent with the curvature of the surface of the right joint (12).

6. A highly waterproof optical fiber connector according to claim 5, characterized in that: The outer moving layer (91) is made of an elastic porous material, and the surface of the outer moving layer (91) facing outward is coated with a water-discoloring layer, and the edge sealing layer (92) is made of a flexible sealing material.

7. A highly waterproof optical fiber connector according to claim 6, characterized in that: The lower end of the edge sealing layer (92) is fixedly connected to a bottom sealing layer (10), and the lateral span of the bottom sealing layer (10) is greater than the total length of the two fixed magnetic sheets (8).

8. The highly waterproof optical fiber connector according to claim 1, characterized in that: The pressure-sealing bag (6) comprises two side plates (61), a compression layer (62) fixedly connected between the two side plates (61), and a plurality of inner lining bent rods (63), wherein the plurality of inner lining bent rods (63) are located in the compression layer (62), and one of the side plates (61) is fixed to the inner wall of the inner dynamic ring cavity (7).

9. A highly waterproof optical fiber connector according to claim 8, characterized in that: The cross-sections of the compression and expansion layer (62) and the inner lining curved rod (63) are both arc-shaped structures that arch outwards, and the degree of curvature of the compression and expansion layer (62) is greater than that of the inner lining curved rod (63).

10. A highly waterproof optical fiber connector according to claim 9, characterized in that: The compression expansion layer (62) is an elastic sealing structure, the compression expansion layer (62) is filled with inert gas, and the compression expansion layer (62) is in a saturated state, and the lining bent rod (63) is an elastic structure.

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