CN212207762U

CN212207762U - Novel LC fiber connector

Info

Publication number: CN212207762U
Application number: CN202021154158.1U
Authority: CN
Inventors: 黄勇; 王海东; 余拥
Original assignee: SHENZHEN DYS FIBER OPTIC TECHNOLOGY CO LTD
Current assignee: SHENZHEN DYS FIBER OPTIC TECHNOLOGY CO LTD
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2020-12-22
Anticipated expiration: 2030-06-20

Abstract

The utility model provides a novel LC fiber connector relates to fiber connector technical field, including tail cover, backshell and the preceding shell that connects gradually, preceding shell is connected with the backshell buckle, the inside one end towards the backshell of tail cover is provided with the groove of sliding, it is provided with the suppression pipe to slide the inslot, the length in groove of sliding is greater than the length of suppression pipe, makes the suppression pipe has the removal space in the groove of sliding, the tip of suppression pipe is provided with the caudal peduncle, the backshell is worn to locate by the caudal peduncle, the caudal peduncle tip is provided with the lock pin, the lock pin is worn out preceding shell tip. The utility model provides a pair of novel LC fiber connector reduces transmission loss, keeps signal transmission's high quality.

Description

Novel LC fiber connector

Technical Field

The utility model relates to a fiber connector technical field especially relates to a novel LC fiber connector.

Background

Fiber optic connectors (commonly known as fiber optic jumpers) are defined by the International Telecommunications Union (ITU) recommendation as "passive components that are used to stably, but not permanently, connect two or more optical fibers". The non-permanent fixed connection device is mainly used for realizing non-permanent fixed connection among equipment, equipment and instruments, equipment and optical fibers in a system, and is an indispensable passive device in an optical communication system. Due to the use of the connector, the detachable connection of the optical fiber channel becomes possible, so that a test inlet is provided for the optical fiber, and the test and the maintenance of an optical system are facilitated; and a medium is provided for network management, so that the switching scheduling of the optical system is more flexible.

In the LC optical fiber connector in the prior art, an optical fiber and a sheath are integrated, the optical fiber cannot stretch out and draw back in the sheath, and when the LC optical fiber connector is connected, the optical fiber is bent in the connector due to the contact force, so that the transmission loss is increased, and the signal transmission quality is deteriorated.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the not enough of prior art to provide a novel LC fiber connector, reduce transmission loss, keep signal transmission's high quality.

In order to realize the above-mentioned purpose, the utility model provides a novel LC fiber connector, including tail cover, backshell and the preceding shell that connects gradually, preceding shell is connected with the backshell buckle, the inside one end towards the backshell of tail cover is provided with the groove of sliding, it is provided with the suppression pipe to slide the inslot, the length in groove of sliding is greater than the length of suppression pipe, makes the suppression pipe has the removal space in the groove of sliding, the tip of suppression pipe is provided with the caudal peduncle, the backshell is worn to locate by the caudal peduncle, the caudal peduncle tip is provided with the lock pin, the lock pin is worn out preceding shell tip.

Further, the pressing pipe and the tail handle are connected and fixed through riveting.

Furthermore, a connecting end is arranged at the end part of the rear shell facing the front shell, a connecting groove is formed in the end part of the front shell facing the rear shell, clamping blocks are arranged on two opposite sides of the connecting end, clamping grooves are formed in two opposite side walls of the front shell, and when the connecting end is inserted into the connecting groove, the clamping blocks are clamped in the clamping grooves.

Further, be provided with the platform piece between caudal peduncle and the lock pin, platform piece cross section is trapezoidal to go up the bottom surface towards the lock pin, be provided with the conflict piece in the preceding shell, the platform piece is contradicted with the conflict piece and is cooperated.

Furthermore, the link has been seted up and has been stepped down the groove, it is provided with the recovery spring to step down the inslot, the one end of recovery spring is contradicted at the lateral wall in groove of stepping down, and the other end is contradicted on the platform piece.

Furthermore, a plurality of through grooves for increasing the bending capacity are formed in the tail sleeve at intervals.

The utility model provides a pair of novel LC fiber connector, in LC connector connection process, the lock pin is connected and is received the conflict and return and contract, make the caudal peduncle move towards the tail cover direction, thereby make the suppression pipe remove in the groove that slides, and the length in groove that slides is greater than the length of suppression pipe, and the length that the groove that slides exceeds the suppression pipe approximately equals the length that the lock pin probably returns and contracts, make the groove that slides can enough space let the suppression pipe remove, thereby avoid optic fibre to bend, can reduce transmission loss, guarantee signal transmission's high quality.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the following provides a detailed description of the present invention with reference to the embodiments of the present invention and the accompanying drawings.

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic cross-sectional view of the present invention.

The reference numerals in the drawings are explained below.

1. A tail sleeve; 2. a rear housing; 3. a front housing; 4. a sliding groove; 5. pressing the tube; 6. a tail handle; 7. inserting a core; 8. a connecting end; 9. connecting grooves; 10. a clamping block; 11. a card slot; 12. a table block; 13. a contact block; 14. a restoring spring; 15. a yielding groove; 16. a through groove.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a novel LC optical fiber connector comprises a tail sleeve 1, a rear shell 2 and a front shell 3 which are connected in sequence. The tail sleeve 1 is fixedly connected with the rear shell 2, and the rear shell 2 is connected with the front shell 3 through a buckle structure. The embodiment provides the connector, so that the tail sleeve 1, the rear shell 2 and the front shell 3 are provided with a through hole in a penetrating way, and the through hole is used for installing a component and penetrating a wire. The one end of the inside back shell 2 towards of tail cover 1 is provided with the groove 4 that slides, and the groove 4 that slides promptly sets up the lateral wall at the through-hole, and the inslot that slides 4 is provided with the suppression pipe 5, and the external diameter of suppression pipe 5 is greater than the aperture of through-hole, and is less than the aperture of groove 4 that slides, and the length of spacing groove is greater than the length of suppression pipe 5, makes suppression pipe 5 have the migration space in groove 4 that slides. The end of the pressing pipe 5 facing the rear case 2 is provided with a tail handle 6, the other end of the tail handle 6 penetrates through the rear case 2, and the end of the tail handle 6 is provided with a ferrule 7, the other end of the ferrule 7 penetrates out of the end of the front case 3.

Before the connector provided by the embodiment is proposed, in the prior art, the optical fiber and the sheath of the LC optical fiber connector are integrated, and when the LC optical fiber connector is connected, the ferrule 7 is collided and retracted, so that the internal optical fiber is bent, thereby increasing transmission damage and reducing signal transmission quality.

In this embodiment, in the LC connector connection process, insertion core 7 is connected and is received the conflict and contract, make caudal peduncle 6 move towards 1 direction of tail cover, thereby make suppression pipe 5 remove in sliding groove 4, and the length of sliding groove 4 is greater than the length of suppression pipe 5, and sliding groove 4 is greater than the length that suppression pipe 5 probably contracts of length of inserting core about equal to that the sliding groove 5, make sliding groove 4 can enough space let suppression pipe 5 remove, thereby avoid the optic fibre to bend, can reduce transmission loss, guarantee signal transmission's high quality.

In this embodiment, the pressing pipe 5 and the tail handle 6 are connected and fixed by a riveting process.

The rear shell 2 and the front shell 3 are connected together through a buckle structure. Specifically, the end of the rear shell 2 facing the front shell 3 is provided with a connecting end 8, the end surface area of the connecting end 8 is smaller than that of the rear shell 2, the end of the front shell 3 facing the rear shell 2 is provided with a connecting groove 9, and the connecting groove 9 is matched with the connecting end 8. When connecting, link 8 inserts in spread groove 9, and the lateral surface of backshell 2 is the same level with preceding shell 3 lateral surface mutually. The two opposite side surfaces of the connecting end 8 are provided with clamping blocks 10, the two opposite side walls of the front shell 3 are provided with clamping grooves 11, and when the connecting end 8 is inserted into the connecting groove 9, the clamping blocks 10 are clamped in the clamping grooves 11, so that the rear shell 2 and the front shell 3 are kept in a connected state.

In this embodiment, the cross section of the end of the latch 10 is a right trapezoid, and the inclined waist faces the front housing 3. When the clamping block is connected, the oblique waist surface of the clamping block 10 conveniently enters the front shell 3, and the right-angle surface can ensure that the clamping block 10 is stably clamped in the clamping groove 11 and is not easy to break away. It should be noted that, the connecting end 8 is matched with the connecting groove 9, that is, the size of the connecting end 8 is almost the same as that of the connecting groove 9, so that the material of the connecting end 8 and the material of the fixture block 10 are elastic, and in the process of inserting the connecting end 8 into the connecting groove 9, the connecting end 8 and the fixture block 10 have a deformable path, so as to facilitate the fixture block 10 to smoothly enter the fixture groove 11.

A table block 12 is arranged between the tail handle 6 and the insertion core 7, and the cross section of the table block 12 is isosceles trapezoid. In the isosceles trapezoid, the upper bottom surface is a side surface with a small area, and the lower bottom surface is a side surface with a large area. The upper bottom surface of the table block 12 faces the ferrule 7, and the lower bottom surface area of the table block 12 is larger than the diameter of the tail shank 6. Be provided with in preceding shell 3 and contradict the piece 13, this piece 13 of contradicting is the ring form, and contradict piece 13 and platform piece 12 and cooperate for contradict platform piece 12, prevent that platform piece 12 and caudal peduncle 6 from preceding shell 3 front end roll-off.

The link 8 has been seted up and has been stepped down groove 15, should step down groove 15 and communicate the link 8 towards the tip of front shell 3, is provided with recovery spring 14 in the groove 15 of stepping down to recovery spring 14 is around establishing in the outside of caudal peduncle 6, and the one end of recovery spring 14 is contradicted at the lateral wall in groove 15 of stepping down, and the other end is contradicted on platform piece 12. When the connection is completed, the ferrule 7 and the tail lever 6 are retracted toward the inside of the connector, the restoring spring 14 is compressed, and when the connection is completed and the connection is pulled out, the ferrule 7 and the tail lever 6 are restored to the original positions due to the elastic force of the restoring spring 14.

A plurality of through grooves 16 are arranged on the tail sleeve 1 at intervals, and the through grooves 16 are arranged to enable the tail sleeve 1 to have a bending space, so that the bending capacity of the tail part of the connector is increased.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a novel LC fiber connector, a serial communication port, including tail cover, backshell and the preceding shell that connects gradually, preceding shell is connected with the backshell buckle, the inside one end towards the backshell of tail cover is provided with the groove of sliding, the inslot that slides is provided with the suppression pipe, the length in groove of sliding is greater than the length of suppression pipe, makes the suppression pipe has the removal space in the groove of sliding, the tip of suppression pipe is provided with the caudal peduncle, the backshell is worn to locate by the caudal peduncle, the caudal peduncle tip is provided with the lock pin, the lock pin is worn out preceding shell tip.

2. The novel LC fiber optic connector of claim 1, wherein the crimp tube and the tail handle are secured by a staking connection.

3. The novel LC optical fiber connector as claimed in claim 1, wherein the end of the rear shell facing the front shell is provided with a connecting end, the end of the front shell facing the rear shell is provided with a connecting groove, two opposite sides of the connecting end are provided with clamping blocks, two opposite side walls of the front shell are provided with clamping grooves, and when the connecting end is plugged into the connecting groove, the clamping blocks are clamped in the clamping grooves.

4. The novel LC optical fiber connector according to claim 3, wherein a table block is arranged between the tail handle and the ferrule, the cross section of the table block is trapezoidal, the upper bottom surface faces the ferrule, a contact block is arranged in the front shell, and the table block is in interference fit with the contact block.

5. The novel LC optical fiber connector according to claim 4, wherein the connecting end is provided with a yielding groove, a restoring spring is arranged in the yielding groove, one end of the restoring spring abuts against the side wall of the yielding groove, and the other end of the restoring spring abuts against the table block.

6. The novel LC optical fiber connector according to claim 1, wherein a plurality of through grooves for increasing bending capability are formed on the tail sleeve at intervals.