CN216696762U

CN216696762U - LC type right angle fiber connector

Info

Publication number: CN216696762U
Application number: CN202122968666.4U
Authority: CN
Inventors: 田玉川
Original assignee: Shenzhen Heguang Tongcheng Technology Co ltd
Current assignee: Shenzhen Heguang Tongcheng Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-07
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to the technical field of optical fiber connection, and discloses an LC type right-angle optical fiber connector which comprises a shell, wherein two inserting cores are inserted into the shell, a protection mechanism is arranged on the left side of the shell and comprises a first protection block and a second protection block, semicircular grooves are formed in the opposite sides of the first protection block and the second protection block, sealing rubber pads are fixedly connected to the inner side walls of the semicircular grooves, and the second protection block is connected with the first protection block through a connecting screw rod. This LC type right angle fiber connector through mutually supporting between first protection piece, second protection piece, half slot, sealing rubber pad, connecting screw, screw hole, guide bar, guide block and the guide way to can expose the part to the lock pin and protect, reduce the lock pin surface wearing and tearing condition of breaking, thereby can improve the life of lock pin.

Description

LC type right angle fiber connector

Technical Field

The utility model relates to the technical field of optical fiber connection, in particular to an LC type right-angle optical fiber connector.

Background

The optical fiber connector is an essential device for connecting various devices in an optical fiber communication system and is also an optical fiber device with the largest use amount at present, the optical fiber connector is a device for detachably connecting optical fibers, the LC type connector is one of the optical fiber connectors, and the LC type connector is one of Small Form Factor (SFF) because the appearance size is only half of that of the SC/ST/FC connector, and is widely used in comprehensive wiring system engineering; however, when the existing LC-type optical fiber connector is used, the ferrule is connected to the inside of the connector housing, and a part of the ferrule is located outside the connector housing and exposed to the air, and the existing LC-type optical fiber connector does not have a protection mechanism, so that a part of the side surface of the ferrule is prone to wear and tear, and the using effect of the connector is affected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the LC type right-angle optical fiber connector which has the advantages of protecting an insertion core, reducing the abrasion and breakage condition of the surface of the insertion core, improving the service life and the use effect and the like, and solves the problem that the abrasion and breakage condition of part of the side surface of the insertion core is easy to occur and further the use effect of a connector is influenced because part of the insertion core is positioned outside a connector shell and exposed in the air and the protection mechanism is not provided.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a LC type right angle fiber connector, includes the shell, the inside of shell is pegged graft and is had two lock pins, the left side of shell is provided with protection machanism, protection machanism includes first protection piece and second protection piece, the half slot has all been seted up to first protection piece and the relative one side of second protection piece, the inside wall fixedly connected with sealing rubber pad of half slot, the second protection piece passes through connecting screw and is connected with first protection piece.

Preferably, the right side of first protection piece and the left side fixed connection of shell, the left side overlap joint of second protection piece and shell, first protection piece is located the rear side of second protection piece, the mutual overlap joint in one side that first protection piece and second protection piece are relative, the lock pin is located the inside of semicircular groove, the side surface of lock pin and the one side overlap joint that the semicircular groove was kept away from to the sealing rubber pad to the realization protects the side surface of lock pin, reduces the lock pin surface and the wearing and tearing condition of breaking.

Preferably, the front surface of the first protection block is provided with a threaded hole, the connecting screw rod is rotatably connected with the inside of the threaded hole, and then the connecting screw rod is rotated to rotate and move back and forth in the threaded hole, so that the position of the second protection block can be adjusted back and forth.

Preferably, the front face of the first protection block is fixedly connected with a guide rod, the front end of the guide rod is fixedly connected with a guide block, the rear side of the second protection block is provided with a guide groove, the guide rod and the guide block are movably connected with the inside of the guide groove, and the guide block and the guide groove are mutually matched, so that the second protection block can be limited, the second protection block can only move back and forth, and the second protection block is prevented from rotating.

Preferably, a rectangular groove is formed in the left side of the second protection block, a fixing rod is fixedly connected to the right side wall of the rectangular groove, a spring is fixedly connected to the right side wall of the rectangular groove, an L-shaped fixture block is movably inserted into the rectangular groove, a jack is formed in the right side of the L-shaped fixture block, the fixing rod is movably inserted into the jack, the left end of the spring is fixedly connected with the right side of the L-shaped fixture block, and therefore the L-shaped fixture block can be fixed and prevented from moving inside the rectangular groove.

Preferably, the left side wall of L type fixture block and the left side overlap joint of lock pin to under the effect of spring and L type fixture block, can carry out spacing fixed to the lock pin, prevent that the lock pin from removing in the inside of shell, improve the stable effect that the lock pin is connected.

Compared with the prior art, the utility model provides an LC type right-angle optical fiber connector, which has the following beneficial effects:

1. this LC type right angle fiber connector through mutually supporting between first protection piece, second protection piece, half slot, sealing rubber pad, connecting screw, screw hole, guide bar, guide block and the guide way to can expose the part to the lock pin and protect, reduce the lock pin surface wearing and tearing condition of breaking, thereby can improve the life of lock pin.

2. This LC type right angle fiber connector through the mutually supporting between rectangular channel, dead lever, spring, L type fixture block and the jack to can carry out spacing fixed to the lock pin, prevent that the lock pin from removing from the inside of shell, and then can improve the connection effect between lock pin and the shell, improve stability.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a side sectional view of the shielding mechanism of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2;

fig. 4 is a perspective view of the L-shaped latch structure of the present invention.

Wherein: 1. a housing; 2. inserting a core; 3. a first guard block; 4. a second guard block; 5. a semicircular groove; 6. sealing the rubber pad; 7. connecting a screw rod; 8. a threaded hole; 9. a guide bar; 10. a guide block; 11. a guide groove; 12. a rectangular groove; 13. fixing the rod; 14. a spring; 15. an L-shaped fixture block; 16. and (4) inserting the jack.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an LC type right angle fiber connector includes a housing 1, two ferrules 2 are inserted into the housing 1, left ends of the two ferrules 2 are located on a left side of the housing 1, so that left ends of the ferrules 2 are exposed to air, a protection mechanism is disposed on the left side of the housing 1, the protection mechanism includes a first protection block 3 and a second protection block 4, a semicircular groove 5 is disposed on a side of the first protection block 3 opposite to the second protection block 4, the number of the semicircular grooves 5 is four, the semicircular grooves 5 corresponding to the first protection block 3 and the second protection block 4 can be a whole circular groove on a rear side, the ferrules 2 are located inside the circular groove, a sealing rubber pad 6 is fixedly connected to an inner side wall of the semicircular groove 5, the sealing rubber pads 6 inside the two semicircular grooves 5 can make the sealing rubber pad 6 in a circular shape, and protect a side surface of the ferrules 2, and then can clamp the inserting core 2, prevent the inserting core 2 from moving, at the same time, realize the protection effect to the inserting core 2, reduce the surface of the inserting core 2 from wearing and breaking, the second protective block 4 is connected with the first protective block 3 through the connecting screw 7, the right side of the first protective block 3 is fixedly connected with the left side of the shell 1, the second protective block 4 is lapped with the left side of the shell 1, the second protective block 4 can move on the left side of the shell 1, the first protective block 3 is positioned at the rear side of the second protective block 4, the opposite sides of the first protective block 3 and the second protective block 4 are lapped with each other, the inserting core 2 is positioned inside the semicircular groove 5, the side surface of the inserting core 2 is lapped with the side of the sealing rubber gasket 6 far away from the semicircular groove 5, the front of the first protective block 3 is provided with the threaded hole 8, the threaded hole 8 is positioned at the central position of the front of the first protective block 3, the connecting screw 7 is rotatably connected with the inside of the threaded hole 8, connecting screw 7 is corresponding with the inside of screw hole 8, and can drive second protection piece 4 and remove through rotating connecting screw 7, the positive fixedly connected with guide bar 9 of first protection piece 3, the quantity of guide bar 9 is two, the front end fixedly connected with guide block 10 of guide bar 9, guide way 11 has been seted up to the rear side of second protection piece 4, the quantity of guide way 11 is two, guide bar 9 and guide block 10 all with the inside swing joint of guide way 11, guide block 10 and the inside mutual adaptation of guide way 11, and guide block 10 can not follow the inside removal of guide way 11, and then can avoid first protection piece 3 and second protection piece 4 the separation condition of droing to appear.

The left side of the second protection block 4 is provided with a rectangular groove 12, the number of the rectangular grooves 12 is two, the two rectangular grooves 12 correspond to the positions of the two ferrules 2 respectively, the right side wall of each rectangular groove 12 is fixedly connected with a fixed rod 13, the inside of each rectangular groove 12 is fixedly connected with two fixed rods 13, the right side wall of each rectangular groove 12 is fixedly connected with a spring 14, the inside of each rectangular groove 12 is fixedly connected with two springs 14, the spring 14 is movably sleeved with the fixed rods 13 so as to limit the spring 14 and prevent the spring 14 from being twisted and bent, the inside of the rectangular groove 12 is movably inserted with an L-shaped fixture block 15, the L-shaped fixture block 15 is mutually matched with the inside of the rectangular groove 12, the right side of the L-shaped fixture block 15 is provided with a jack 16, the right side of each L-shaped fixture block 15 is provided with two jacks 16, the fixed rods 13 are movably inserted with the insides of the jacks 16 so as to limit the L-shaped fixture block 15, prevent that L type fixture block 15 from taking place the offset in the inside of rectangular channel 12, and can reduce the wearing and tearing condition on surface, the left end of spring 14 and the right side fixed connection of L type fixture block 15, the left side wall of L type fixture block 15 and the left side overlap joint of lock pin 2, under the effect of spring 14 and L type fixture block 15, can fix spacingly to the left end of lock pin 2, thereby can prevent that lock pin 2 from coming off from the inside removal of shell 1, the firm effect that lock pin 2 and shell 1 are connected has been improved.

When in use, after the ferrule 2 is inserted into the housing 1, the part of the ferrule 2 exposed on the housing 1 is positioned inside the semicircular groove 5 on the front surface of the first protection block 3, then the connecting screw 7 is rotated clockwise, the connecting screw 7 is rotated inside the threaded hole 8 and moves backwards, the second protection block 4 is limited by the guide rod 9 and the guide block 10, the connecting screw 7 moves to drive the second protection block 4 to move towards the first protection block 3, so that the opposite sides of the second protection block 4 and the first protection block 3 are spliced, the semicircular groove 5 on the second protection block 4 is sleeved with the side surface of the ferrule 2, the ferrule 2 is positioned inside the two semicircular grooves 5 and is overlapped with the sealing rubber gasket 6 inside the semicircular groove 5, the ferrule 2 can be clamped and fixed, and the ferrule 2 is prevented from moving, and realize protecting lock pin 2, and when moving second protection piece 4, move L type fixture block 15 left, and make spring 14 extension, when the left side wall of L type fixture block 15 is located lock pin 2's left side, and second protection piece 4 and 3 overlap joints of first protection piece, then can release L type fixture block 15, under spring 14's effect, make spring 14 shrink, and drive L type fixture block 15 and move right, thereby make lock pin 2's left side and the left side wall overlap joint of L type fixture block 15, and then realize spacing lock pin 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An LC type right-angle optical fiber connector comprises a shell (1), and is characterized in that: the novel protective sleeve is characterized in that two inserting cores (2) are inserted in the shell (1), a protective mechanism is arranged on the left side of the shell (1) and comprises a first protective block (3) and a second protective block (4), a semicircular groove (5) is formed in one side, opposite to the first protective block (3) and the second protective block (4), of the semicircular groove (5), a sealing rubber gasket (6) is fixedly connected to the inner side wall of the semicircular groove (5), and the second protective block (4) is connected with the first protective block (3) through a connecting screw rod (7).

2. An LC type right angle fiber connector according to claim 1, wherein: the right side of first protection piece (3) and the left side fixed connection of shell (1), the left side overlap joint of second protection piece (4) and shell (1), first protection piece (3) are located the rear side of second protection piece (4), the mutual overlap joint in one side that first protection piece (3) and second protection piece (4) are relative, lock pin (2) are located the inside of half slot (5), the side surface of lock pin (2) and sealing rubber pad (6) keep away from one side overlap joint of half slot (5).

3. An LC type right angle fiber connector according to claim 1, wherein: threaded hole (8) are seted up in the front of first protection piece (3), connecting screw (7) are connected with the inside rotation of threaded hole (8).

4. An LC type right angle fiber connector according to claim 1, wherein: the front fixedly connected with guide bar (9) of first protection piece (3), the front end fixedly connected with guide block (10) of guide bar (9), guide way (11) have been seted up to the rear side of second protection piece (4), guide bar (9) and guide block (10) all with the inside swing joint of guide way (11), the inside mutual adaptation of guide block (10) and guide way (11).

5. An LC type right angle fiber connector according to claim 1, wherein: rectangular channel (12) have been seted up in the left side of second protection piece (4), right side wall fixedly connected with dead lever (13) of rectangular channel (12), right side wall fixedly connected with spring (14) of rectangular channel (12), the inside activity of rectangular channel (12) is pegged graft and is had L type fixture block (15), jack (16) have been seted up on the right side of L type fixture block (15), the inside activity of dead lever (13) and jack (16) is pegged graft, the left end of spring (14) and the right side fixed connection of L type fixture block (15).

6. An LC type right angle fiber connector according to claim 5, wherein: the left side wall of the L-shaped clamping block (15) is overlapped with the left side of the inserting core (2).