CN210924063U

CN210924063U - Optical fiber connector

Info

Publication number: CN210924063U
Application number: CN201922258134.4U
Authority: CN
Inventors: 游庆和
Original assignee: Chongqing Weijue Technology Co ltd
Current assignee: Chongqing Weijue Technology Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-07-03
Anticipated expiration: 2029-12-16

Abstract

The utility model belongs to the technical field of optical fiber, and particularly discloses an optical fiber connector, which comprises a length fixing device and a fixing device; the fixed-length device is used for straightening the free end of the Kevlar wire woven into a net in a fixed-length manner; the fixing device is used for fixing the end part of the Kevlar wire which is straightened at a fixed length. The preparation tool with the structure can solve the problems that the adhesive tape in the prior art is not strong in adhesion strength and is easy to fall off from the crystal head; and when the optical cable is pulled, the problem that the Kevlar wires are broken easily due to uneven stress of the Kevlar wires is solved.

Description

Optical fiber connector

Technical Field

The utility model belongs to the technical field of the optic fibre, especially, relate to an optical fiber connector.

Background

The optical fiber connector, commonly called a loose joint, is generally called an optical fiber connector, is a reusable passive device for connecting two optical fibers or optical cables to form a continuous optical path, has been widely applied to optical fiber transmission lines, optical fiber distribution frames, optical fiber testing instruments and meters, and is the most frequently used optical passive device at present. The optical fiber is a thin and soft medium for transmitting light beams, and the strength of the optical cable can be enhanced by using the Kevlar wire and the protective layer, so that the optical fiber is protected. When connecting the optical fiber to the crystal head, the protective layer is usually peeled off, and the kevlar wires scattered at the end are stuck to the crystal head using an adhesive tape. But the adhesive strength of the adhesive tape is not strong, and the adhesive tape is easy to fall off from the crystal head; and when the optical cable is pulled, the Kevlar wires are easily broken due to uneven stress of the Kevlar wires.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an optical fiber connector to solve the problems that the adhesive strength of the adhesive tape in the prior art is not strong and the adhesive tape is easy to fall off from the crystal head; and when the optical cable is pulled, the problem that the Kevlar wires are broken easily due to uneven stress of the Kevlar wires is solved.

In order to achieve the above purpose, the technical scheme of the utility model is that: an optical fiber connector comprises a length fixing device and a fixing device; the fixed-length device is used for straightening the free end of the Kevlar wire woven into a net in a fixed-length manner; the fixing device is used for fixing the end part of the Kevlar wire which is straightened at a fixed length.

Furthermore, the length fixing device comprises a first disc, a second disc and a sliding plate, wherein a sliding groove is formed in the sliding plate along the length direction of the sliding plate, and the first disc and the second disc are connected in the sliding groove in a sliding manner; the first disc and the second disc are respectively and correspondingly provided with a first through hole for passing through a Kevlar wire, and the centers of the first disc and the second disc are respectively provided with a second through hole for passing through an optical fiber; the surface of second disc rotates and is connected with the third disc, be equipped with on the third disc with the second through-hole position on the second disc correspond and the third through-hole that the size corresponds, the center of third disc is equipped with the fourth through-hole, the trompil area of fourth through-hole is greater than the second through-hole.

Further, the fixing device comprises a hollow inner fastener and a hollow outer fastener, the optical fiber can penetrate out of the center of the inner fastener, a channel for passing the Kevlar wire is arranged between the inner fastener and the outer fastener, and the inner fastener and the outer fastener can fix the Kevlar wire in the channel.

Furthermore, external teeth are circumferentially arranged on the outer portion of the inner fastening piece, and internal teeth matched with the external teeth are circumferentially arranged in the outer fastening piece; after the external teeth and the internal teeth are matched, the Kevlar wire can be fixed.

The working principle of the technical scheme is as follows: after the Kevlar wires are woven into a net, the free ends of the Kevlar wires sequentially penetrate through the first through holes of the first disc and the second disc and the third through hole of the third disc, and the free ends of the optical fibers sequentially penetrate through the second through holes of the first disc and the second disc and the fourth through hole of the third disc. And then pulling the second disc, straightening the Kevlar wire between the first disc and the second disc, and then rotating the third disc to enable the first through hole on the second disc and the third through hole on the third disc to be staggered, so that the Kevlar wire is clamped tightly. If a small amount of Kevlar wires are not straightened, the Kevlar wires can be manually adjusted. The end of the optical fiber is passed through the center of the inner fastener and the optical fiber is connected to the crystal head. The tail end of the Kevlar wire is circumferentially arranged on the outer portion of the inner fastening piece, the outer fastening piece penetrates through the inner fastening piece and the Kevlar wire, and due to the matching of the inner teeth and the outer teeth, the optical fiber can be firmly fixed between the inner fastening piece and the outer fastening piece.

①, the Kevlar is fixed between the internal teeth and the external teeth by adopting the matching between the internal fastener and the external fastener, compared with the prior art in which adhesive tapes are used for adhesion, the technical scheme has stronger universality and better stability, ② straightens the Kevlar in a fixed length, can ensure that each Kevlar is uniformly stressed, and prevent the Kevlar from being broken due to uneven stress.

Drawings

FIG. 1 is a schematic view of a length control device in an optical fiber connector according to the present invention;

FIG. 2 is a right side view of the second and third disks of FIG. 1;

fig. 3 is a cross-sectional view of a securing device in an optical fiber connector of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the optical fiber fixing device comprises a sliding plate 1, a sliding groove 2, a first disc 3, a second disc 4, a third disc 5, a first through hole 6, a second through hole 7, a third through hole 8, a fourth through hole 9, an optical fiber 10, a Kevlar wire 11, an outer fastening piece 12 and an inner fastening piece 13.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The examples are substantially as shown in figures 1 to 3: an optical fiber connector comprises a length fixing device and a fixing device; the fixed-length device is used for straightening the free end of the Kevlar wire 11 which is woven into a net in a fixed-length mode; the fixing device is used for fixing the end part of the Kevlar wire 11 which is straightened in a fixed length mode. The length fixing device comprises a first disc 3, a second disc 4 and a sliding plate, wherein a sliding groove 2 is formed in the sliding plate along the length direction of the sliding plate, and the first disc 3 and the second disc 4 are connected in the sliding groove 2 in a sliding mode; the first disc 3 and the second disc 4 are respectively and correspondingly provided with a first through hole 6 for passing through the Kevlar wire 11, and the centers of the first disc 3 and the second disc 4 are respectively provided with a second through hole 7 for passing through the optical fiber 10; the surface of the second disc 4 is rotatably connected with a third disc 5, the third disc 5 is provided with a third through hole 8 corresponding to the second through hole 7 on the second disc 4 in position and size, the center of the third disc 5 is provided with a fourth through hole 9, and the opening area of the fourth through hole 9 is larger than that of the second through hole 7. The fixing device comprises a hollow inner fastener 13 and a hollow outer fastener 12, the optical fiber 10 can penetrate out of the center of the inner fastener 13, a channel passing through the Kevlar wire 11 is arranged between the inner fastener 13 and the outer fastener 12, and the inner fastener 13 and the outer fastener 12 can fix the Kevlar wire 11 in the channel. External teeth are circumferentially arranged on the outer portion of the inner fastening piece 13, and internal teeth matched with the external teeth are circumferentially arranged on the inner portion of the outer fastening piece 12; after the external teeth and the internal teeth are engaged, the kevlar line 11 can be fixed.

The specific implementation mode is as follows:

after the Kevlar wire 11 is woven into a net, the free end of the Kevlar wire 11 sequentially passes through the first through holes 6 of the first disc 3 and the second disc 4 and the third through hole 8 of the third disc 5, and the free end of the optical fiber 10 sequentially passes through the second through holes 7 of the first disc 3 and the second disc 4 and the fourth through hole 9 of the third disc 5. Then the second disc 4 is pulled, the Kevlar wire 11 is straightened between the first disc 3 and the second disc 4, then the third disc 5 is rotated, the first through hole 6 on the second disc 4 and the third through hole 8 on the third disc 5 are staggered, and the Kevlar wire 11 is clamped. If a small amount of Kevlar wires 11 are not straightened, the adjustment can be manually carried out. The end of the optical fiber 10 is passed through the center of the inner fastener 13 and the optical fiber 10 is connected to the crystal head. The end of the Kevlar wire 11 is circumferentially placed outside the inner fastening member 13, and the outer fastening member 12 is inserted through the inner fastening member 13 and the Kevlar wire 11, and the optical fiber 10 is more firmly fixed between the inner fastening member 13 and the outer fastening member 12 due to the engagement of the inner teeth and the outer teeth.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. An optical fiber connector, characterized by: comprises a fixed length device and a fixing device; the fixed-length device is used for straightening the free end of the Kevlar wire woven into a net in a fixed-length manner; the fixing device is used for fixing the end part of the Kevlar wire which is straightened at a fixed length.

2. An optical fiber connector according to claim 1, wherein: the length fixing device comprises a first disc, a second disc and a sliding plate, a sliding groove is formed in the sliding plate along the length direction of the sliding plate, and the first disc and the second disc are connected in the sliding groove in a sliding mode; the first disc and the second disc are respectively and correspondingly provided with a first through hole for passing through a Kevlar wire, and the centers of the first disc and the second disc are respectively provided with a second through hole for passing through an optical fiber; the surface of second disc rotates and is connected with the third disc, be equipped with on the third disc with the second through-hole position on the second disc correspond and the third through-hole that the size corresponds, the center of third disc is equipped with the fourth through-hole, the trompil area of fourth through-hole is greater than the second through-hole.

3. An optical fiber connector according to claim 1, wherein: the fixing device comprises a hollow inner fastener and a hollow outer fastener, the optical fiber can penetrate out of the center of the inner fastener, a channel passing through the Kevlar wire is arranged between the inner fastener and the outer fastener, and the inner fastener and the outer fastener can fix the Kevlar wire in the channel.

4. An optical fiber connector according to claim 3, wherein: external teeth are circumferentially arranged on the outer portion of the inner fastening piece, and internal teeth matched with the external teeth are circumferentially arranged on the inner portion of the outer fastening piece; after the external teeth and the internal teeth are matched, the Kevlar wire can be fixed.