CN221446329U - Optical fiber connector with traction element and standard connector - Google Patents

Abstract

The utility model relates to an optical fiber connector with a traction element, which comprises a connector body and a retainer, wherein the connector body is sleeved outside an optical fiber sleeve, a fixer and a spring; the traction element is sleeved on the retainer and the connector body, and each buckling part of the traction element is respectively buckled on each buckling part of the connector body; after the traction element pulls the optical fiber connector through the catheter, the traction element is removed, and the optical fiber connector is combined with the fixing sleeve and the coupling cap to form a standard connector.

Description

Optical fiber connector with traction element and standard connector

Technical Field

The present utility model relates to a connector, and more particularly to an optical fiber connector with a traction element and a standard connector.

Background

The optical fiber is a light transmission tool, and in order to enable the optical fiber to be connected to various electronic devices, information transmitted by the optical fiber can be used by the electronic devices, and a connector is used as an intermediary between the optical fiber and the electronic devices to achieve the purpose of connection.

In response to the needs of the home fiber optic network, the fiber optic connectors need to be routed within the building structure, for example, through pipes within the building structure; the existing optical fiber connector uses a plug protective cap to draw a wire, and uses a pushing mode to push a connector from one end of a pipeline to the other end of the pipeline for threading; the connector comprises a core insert, a core insert seat, a limiting sleeve, a spring, a tail sleeve and other components which are combined; the limit sleeve of the connector is externally provided with an external thread, the plug protective cap is provided with an internal thread, and the external thread and the internal thread are mutually connected in a threaded manner to connect and fix the limit sleeve of the connector and the plug protective cap.

Disclosure of Invention

According to some embodiments, a fiber optic connector with a pulling element includes a fiber optic ferrule, a retainer, a spring, a connector body, a retainer, and a pulling element; the optical fiber sleeve is combined with one end of the fixer; the spring is sleeved outside the fixer; the connector body is sleeved outside the fixer and the spring and is provided with a plurality of buckling parts; the retainer is sleeved outside the optical fiber sleeve and is buckled on the connector body; the traction element is provided with a containing groove, one end of the traction element is provided with a wiring part, the other end of the traction element is provided with an inserting port, the inner wall of the inserting port is provided with a plurality of buckling parts, the traction element is sleeved on the optical fiber sleeve, the retainer and the connector body, and the buckling parts are respectively buckled on the buckling parts.

Preferably, the two sides of the inner wall of the plug-in port comprise elastic walls, a plurality of guide grooves are arranged between the elastic walls, and each buckling part is arranged on the inner side of each elastic wall.

Preferably, each elastic wall comprises a plurality of thick walls and a plurality of thin walls, and each thin wall is respectively arranged at two sides of each thick wall and is adjacent to each guide groove. Preferably, each buckling part is an arc-shaped protruding block, each buckling part is an arc-shaped groove, each arc-shaped groove is arranged on the inner side of each elastic wall, and each arc-shaped protruding block is buckled on each arc-shaped groove.

Preferably, both sides of each arc-shaped groove are provided with guide inclined planes, and each guide inclined plane is contacted with each arc-shaped lug.

Preferably, the connector body is rotated in an axial direction to detachably fasten each fastening portion to each fastening portion, and each fastening portion is rotated from a fastening position of each arc-shaped groove located inside each elastic wall to a detaching position relative to each guide groove.

Preferably, the outer end of the plug-in port is provided with a plurality of guide parts, each guide part is respectively arranged at the outer end part of each elastic wall, the side end of each buckling part is provided with a chamfer, and the chamfer of each buckling part is contacted with the guide part.

Preferably, the optical fiber connector further comprises a dust cap, the dust cap is sleeved on the optical fiber sleeve, and one end of the dust cap contacts with the inner wall of the accommodating groove of the traction element.

Preferably, the holding groove of the traction element is tapered, and the insertion opening is gradually reduced toward the inner side of the holding groove.

According to some embodiments, a standard connector includes a fiber optic ferrule, a retainer, a spring, a connector body, a retainer, a retaining sleeve, and a coupling cap; the optical fiber sleeve is combined with one end of the fixer; the spring is sleeved outside the fixer; the connector body is sleeved outside the fixer and the spring and is provided with a plurality of buckling parts; the retainer is sleeved outside the optical fiber sleeve and is buckled on the connector body; the fixing sleeve is provided with an opposite joint, the inner wall of the opposite joint is provided with a plurality of opposite joint parts, the fixing sleeve is sleeved outside the optical fiber sleeve, the fixer and the connector body, and each opposite joint part is respectively buckled with each buckling part; the coupling cap is sleeved outside the fixing sleeve.

In summary, according to some embodiments, after the traction element is combined with the optical fiber connector, the traction element and the optical fiber connector are pulled through the catheter by the tool to complete the operation of traction of the optical fiber connector; according to some embodiments, each buckling part of the traction element is buckled with each buckling part of the connector body into a whole, so that the structural strength and the rigidity of the finished product are improved, and the traction element can bear long-distance tensile force; according to some embodiments, when the traction element is assembled with the optical fiber connector, the dust cap on the optical fiber connector does not need to be pulled out, and the dust cap is assembled in the traction element, so that the assembly effect is convenient; according to some embodiments, the optical fiber connector and the traction element are assembled, and then the external diameter of the cross section of the optical fiber connector can be effectively reduced, so that the effects of small size and structure and low space occupation ratio are achieved, and the optical fiber connector passes through a conduit with the diameter of 6.5 mm.

Drawings

FIG. 1 is a schematic diagram showing an external view of a fiber optic connector, with a traction element coupled to the fiber optic connector, according to some embodiments.

FIG. 2 illustrates an exploded view of a fiber optic connector and a pulling element, according to some embodiments.

FIG. 3 illustrates an exploded view of an optical fiber connector and a pulling element when assembled, according to some embodiments.

FIG. 4 is a schematic side view of an optical fiber connector and a pulling element when assembled, according to some embodiments.

FIG. 5 is a schematic top view of an assembled fiber optic connector and traction element according to some embodiments.

FIG. 6 is a schematic cross-sectional view of the A-A lead of FIG. 5.

FIG. 7 is a schematic cross-sectional view of the B-B lead of FIG. 5.

FIG. 8 is a schematic cross-sectional view of the connector body and the traction element shown in FIG. 7 when disassembled.

FIG. 9 is a schematic cross-sectional view of a fiber optic connector, a retaining sleeve, and a coupling cap in combination, according to some embodiments.

FIG. 10; an exploded view of the fiber optic connector, the retaining sleeve, and the coupling cap with the traction element removed is shown, according to some embodiments.

FIG. 11 is a schematic view showing the optical fiber connector, the fixing sleeve and the coupling cap after the optical fiber connector, the fixing sleeve and the coupling cap are assembled, with the dust cap removed, according to some embodiments.

Symbol description

100 Optical fiber connector 200, optical fiber sleeve 2, fixer 3, spring 4, connector body 41, rough surface 42, compression ring 43, fastening portion 431, arc-shaped protruding block 5, chamfer angle 5, retainer 6, traction element 60, containing groove 61, wiring portion 62, inserting port 622, guiding portion 63, fastening portion 631, arc-shaped groove 632, guiding inclined plane 64, elastic wall 641, thick wall 642, thin wall 65, guiding groove 7, dustproof cap 8, fixing sleeve 82, butt joint portion 9, coupling cap P1, fastening position P2 and dismounting position.

Detailed Description

Referring to fig. 1, fig. 1 is an external schematic view of a fiber optic connector 100; in some embodiments, the Fiber connector 100 is suitable for Fiber To The earth (FTTx for short), fiber To The home (Fiber To The Home FTTH for short) or Fiber To The home (Fiber To The Room, FTTR for short), and The Fiber To The home (FTTR) is a novel overlay mode of a home network in The gigabit era, which is To route The Fiber To each room based on Fiber To The building (Fiber To The Building FTTB for short) and FTTH, so that each room can reach The gigabit optical network speed.

Referring to fig. 2, fig. 2 is an exploded view of the fiber optic connector 100; in some embodiments, the fiber optic connector 100 with the pulling element 6 includes a fiber optic ferrule 1, a retainer 2, a spring 3, a connector body 4, a retainer 5, and the pulling element 6; the optical fiber sleeve 1 is combined with one end of the fixer 2; the spring 3 is sleeved outside the fixer 2; the connector body 4 is sleeved outside the fixer 2 and the spring 3, and the connector body 4 is provided with a plurality of buckling parts 43; the retainer 5 is sleeved outside the optical fiber sleeve 1 and is buckled on the connector body 4; the traction element 6 has a receiving groove 60, one end of the traction element 6 has a connection portion 61, the other end of the traction element 6 has an insertion port 62, the inner wall of the insertion port 62 has a plurality of fastening portions 63, the traction element 6 is sleeved on the fiber ferrule 1, the retainer 5 and the connector body 4, and each fastening portion 63 is fastened to each fastening portion 43.

Referring to fig. 3 and 4, fig. 3 is an exploded view of the optical fiber connector 100 when assembled, and fig. 4 is a side view of the optical fiber connector 100 when assembled; after the optical fiber ferrule 1, the holder 2, the spring 3, the connector body 4 and the retainer 5 are assembled and combined with each other, the assembly of the optical fiber connector 100 is completed, the optical fiber connector 100 is inserted into the receiving slot 60 in alignment with the insertion opening 62 of the traction element 6, the fastening portions 43 (flange structure) of the connector body 4 are fastened to the fastening portions 63 (groove structure as shown in fig. 5, 6 and 7) of the traction element 6, the fastening portions 43 are fastened to the fastening portions 63 to be integrated with each other, the structural strength and the rigidity of the finished product are improved, and the effect of bearing long-distance tension is achieved. Referring to fig. 2, in some embodiments, the connector body 4 is a hollow tube, and an aperture of one end of the concave hole in the connector body 4 is enlarged, so that the cable 200 is easy to plug in; in some embodiments, the connector body 4 includes a base 41 and a compression ring 42 (CRIMP RING), the compression ring 42 is sleeved on an outer surface of one end of the base 41, and the outer surface of the base 41 has a rough surface 411 with a grid pattern, so as to facilitate the combination of the base 41 and the compression ring 42; the cable 200 interfaces within the compression ring 42.

Referring to fig. 5 and 6, fig. 5 is a schematic top view of an assembled fiber optic connector 100, and fig. 6 is a schematic cross-sectional view of the A-A lead of fig. 5; in some embodiments, after the optical fiber connector 100 and the traction element 6 are assembled, the maximum cross-section outer diameter is smaller than 6.5mm, and when the optical fiber connector 100 and the traction element 6 are assembled, the cross-section outer diameter can be effectively reduced, so that the optical fiber connector has the effects of small size, small structure and low space occupation ratio; in some embodiments, the wire is threaded through the wire connection portion 61 (through hole) at one end of the pulling element 6, and when the wire is pulled, the wire pulls the pulling element 6 and the fiber optic connector 100 through a 6.5mm diameter conduit, and the pulling element 6 and the fiber optic connector 100 are threaded from one end of the conduit to the other end of the conduit, thereby completing the routing of the cable 200 through the conduit.

Referring to fig. 5 and 6, in some embodiments, after the optical fiber ferrule 1, the holder 2, the spring 3, the connector body 4, and the retainer 5 are combined with each other, one end of the retainer 5 is exposed out of the optical fiber ferrule 1, a dust cap 7 is sleeved outside the retainer 5, the optical fiber connector 100 is aligned and inserted into the insertion opening 62 of the traction element 6 to the receiving groove 60, the traction element 6 is sleeved outside the dust cap 7, the inner wall of the traction element 6 contacts the head of the dust cap 7, and the construction is facilitated without removing the dust cap 7 during the process of passing the traction element 6 and the optical fiber connector 100 through the catheter.

Referring to fig. 5 and 6, in some embodiments, the traction element 6 is in the shape of bullet, the traction element 6 is in the shape of cone, the container 60 is in the shape of cone, the insertion opening 62 is gradually reduced toward the inner side of the container 60, and the aperture of the insertion opening 62 and the inner diameter of the inner side of the container 60 are gradually reduced; in some embodiments, the dust cap 7 has a tapered configuration, and the outer surface of the dust cap 7 has a tapered profile that facilitates assembly into the pocket 60 of the traction element 6.

Referring to fig. 2 and 4, in some embodiments, each fastening portion 43 of the connector body 4 is an arc-shaped protrusion, each fastening portion 63 of the traction element 6 is an arc-shaped groove 631, and each arc-shaped groove 631 is disposed inside each elastic wall 64.

Referring to fig. 2 and 4, in some embodiments, two sides of the inner wall of the insertion port 62 of the traction element 6 include elastic walls 64, a plurality of guide grooves 65 (U-shaped grooves) are formed between the elastic walls 64, and each engagement portion 63 is disposed inside each elastic wall 64; when the optical fiber connector 100 is inserted into the receiving groove 60 of the traction element 6, the fastening portions 43 of the connector body 4 are fastened to the fastening portions 63 of the traction element 6, and the elastic walls 64 on both sides of the traction element 6 are easily deformed and swung by the guide grooves 65 on both sides of the traction element 6, so that the elastic walls 64 are displaced and expanded outwards (as shown in fig. 7 and 8), and the distance between the elastic walls 64 is enlarged, thereby facilitating the assembly of the traction element 6 and the connector body 4.

Referring to fig. 2 and 4, in some embodiments, each elastic wall 64 of the traction element 6 includes a plurality of thick walls 641 and a plurality of thin walls 642, each thin wall 642 being disposed on both sides of each thick wall 641 and adjacent to each guide groove 65; the thin walls 642 provide the flexible walls 64 with a tendency to deform and swing, expanding the distance between the flexible walls 64, facilitating assembly of the traction element 6 with the connector body 4.

Referring to fig. 3, 7 and 8, fig. 7 is a schematic cross-sectional view of the B-B lead of fig. 5, and fig. 8 is a schematic cross-sectional view of the connector body 4 and the traction element 6 when disassembled; in some embodiments, the outer end of the insertion port 62 of the traction element 6 has a plurality of guiding portions 622, each guiding portion 622 is disposed at the outer end of each elastic wall 64, the side end of each fastening portion 43 has a chamfer 432, the chamfer 432 of the fastening portion 43 contacts the guiding portion 622, and each guiding portion 622 and each chamfer 432 are in guiding contact with each other, so as to facilitate the assembly operation of the traction element 6 and the connector body 4.

Referring to fig. 3, 7 and 8, in some embodiments, two sides of each arc-shaped groove 631 of the traction element 6 are provided with guiding inclined planes 632, each guiding inclined plane 632 contacts each arc-shaped protrusion 431 of each fastening portion 43, and each guiding inclined plane 632 and each arc-shaped protrusion 431 are in guiding contact with each other, so as to facilitate the loading and unloading operation of the traction element 6 and the connector body 4.

Referring to fig. 7 and 8, in some embodiments, the connector body 4 is rotated in an axial direction to detachably lock each locking portion 43 to each locking portion 63, and each locking portion 43 is rotated from a locking position P1 of each arc-shaped groove 631 located inside each elastic wall 64 to a removing position P2 relative to each guiding slot 65; when the connector body 4 is separated from the traction element 6, the traction element 6 is rotated by 90 degrees, and the guide inclined surfaces 632 on both sides of the arc-shaped grooves 631 of each buckling part 63 contact with the side edges of the arc-shaped protrusions 431 of each buckling part 43, so that the connector body 4 and the traction element 6 are guided to rotate, and the elastic wall 64 is displaced and expanded outwards, so that the connector body 4 and the traction element 6 are separated from each other. Conversely, when the connector body 4 and the traction element 6 are to be assembled, the guiding inclined surfaces 632 and the side edges of the arc-shaped protrusions 431 may be utilized to guide and contact each other, so that the traction element 6 may be rotated by 90 degrees, and the arc-shaped protrusions 431 may be fastened to the arc-shaped grooves 631.

Referring to fig. 9, 10 and 11, fig. 9 is a schematic cross-sectional view of the optical fiber connector 100, the fixing sleeve 8 and the coupling cap 9 after being combined, fig. 10 is a schematic exploded view of the optical fiber connector 100, the fixing sleeve 8 and the coupling cap 9, and fig. 11 is a schematic assembled view of the optical fiber connector 100, the fixing sleeve 8 and the coupling cap 9; in some embodiments, the fixing sleeve 8 and the coupling cap 9 are limited by the standard size of the optical fiber connector 100, and cannot pass through the wiring duct in the building structure smoothly, and the fixing sleeve 8 and the coupling cap 9 must be assembled after the optical fiber connector 100 passes through the duct; in some embodiments, after the fiber optic connector 100 and the traction element 6 pass through the catheter, the traction element 6 is removed, and the fiber optic connector 100 is assembled with the fixing sleeve 8 and the coupling cap 9 to form a standard connector (Standard Connector, abbreviated as SC); after the optical fiber connector 100 is assembled with the fixing sleeve 8 and the coupling cap 9, the dust cap 7 is disassembled.

Referring to fig. 9, 10 and 11, in some embodiments, the fixing sleeve 8 has an opposite port 82, the inner wall of the opposite port 82 has a plurality of abutting portions 83, the fixing sleeve 8 is sleeved outside the fiber optic ferrule 1, the fixer 2 and the connector body 4, and each abutting portion 83 of the fixing sleeve 8 is respectively fastened to each fastening portion 43 of the connector body 4.

Referring to fig. 9, 10 and 11, in some embodiments, the fastening portions 43 on both sides of the connector body 4 provide for engagement with the traction element 6, and may also engage with the fixing sleeve 8 in the same manner, and after engagement, the overall rigidity is improved.

In summary, according to some embodiments, after the traction element is combined with the optical fiber connector, the traction element and the optical fiber connector are pulled through the catheter by the tool to complete the operation of traction of the optical fiber connector; according to some embodiments, each buckling part of the traction element is buckled with each buckling part of the connector body into a whole, so that the structural strength and the rigidity of the finished product are improved, and the traction element can bear long-distance tensile force; according to some embodiments, when the traction element is assembled with the optical fiber connector, the dust cap on the optical fiber connector does not need to be pulled out, and the dust cap is assembled in the traction element, so that the assembly effect is convenient; according to some embodiments, the optical fiber connector and the traction element are assembled, and then the external diameter of the cross section of the optical fiber connector can be effectively reduced, so that the effects of small size and structure and low space occupation ratio are achieved, and the optical fiber connector passes through a conduit with the diameter of 6.5 mm.

Claims (10)

1. An optical fiber connector with a pulling element, characterized in that:

an optical fiber ferrule;

A holder, said fiber optic ferrule being coupled to one end of said holder;

the spring is sleeved outside the fixer;

The connector body is sleeved outside the fixer and the spring and is provided with a plurality of buckling parts;

The retainer is sleeved outside the optical fiber sleeve and is buckled on the connector body; and

The traction element is provided with a containing groove, one end of the traction element is provided with a wiring part, the other end of the traction element is provided with an inserting port, the inner wall of the inserting port is provided with a plurality of buckling parts, the traction element is sleeved on the optical fiber sleeve, the retainer and the connector body, and the buckling parts are respectively buckled on the buckling parts.

2. The fiber optic connector with traction element as set forth in claim 1, wherein: the two sides of the inner wall of the plug-in port comprise an elastic wall, a plurality of guide grooves are arranged between the elastic walls, and each buckling part is arranged on the inner side of each elastic wall.

3. The fiber optic connector with traction element of claim 2, wherein: each elastic wall comprises a plurality of thick walls and a plurality of thin walls, and each thin wall is respectively arranged at two sides of each thick wall and is adjacent to each guide groove.

4. A fiber optic connector with a pulling element as defined in claim 3, wherein: each buckling part is an arc-shaped protruding block, each buckling part is an arc-shaped groove, each arc-shaped groove is arranged on the inner side of each elastic wall, and each arc-shaped protruding block is buckled with each arc-shaped groove.

5. The fiber optic connector with traction element according to claim 4, wherein: the two sides of each arc-shaped groove are provided with a guide inclined plane, and each guide inclined plane is contacted with each arc-shaped lug.

6. The fiber optic connector with traction element according to claim 4, wherein: the connector body is detachably fastened to each fastening part by an axial rotation operation, and each fastening part rotates to a detaching position relative to each guide groove from a fastening position of each arc-shaped groove positioned on the inner side of each elastic wall.

7. The fiber optic connector with traction element of claim 2, wherein: the outer end of the plug-in port is provided with a plurality of guide parts, each guide part is respectively arranged at the outer end part of each elastic wall, the side end of each buckling part is provided with a chamfer, and the chamfer of each buckling part is contacted with the guide part.

8. The fiber optic connector with traction element as set forth in claim 1, wherein: the optical fiber sleeve is sleeved with the dustproof cap, and one end of the dustproof cap is in contact with the inner wall of the containing groove of the traction element.

9. The fiber optic connector with traction element as set forth in claim 1, wherein: the containing groove of the traction element is conical, and the plug-in port is gradually reduced towards the inner side direction of the containing groove.

10. A standard connector, characterized by:

an optical fiber ferrule;

A holder, said fiber optic ferrule being coupled to one end of said holder;

the spring is sleeved outside the fixer;

The connector body is sleeved outside the fixer and the spring and is provided with a plurality of buckling parts;

The retainer is sleeved outside the optical fiber sleeve and is buckled on the connector body;

The fixing sleeve is provided with a pair of interfaces, the inner walls of the interfaces are provided with a plurality of butting parts, the fixing sleeve is sleeved outside the optical fiber sleeve, the fixer and the connector body, and the butting parts are respectively buckled with the buckling parts; and

The coupling cap is sleeved outside the fixing sleeve.