CN215599408U

CN215599408U - Optical fiber adapter firm in installation

Info

Publication number: CN215599408U
Application number: CN202121535070.9U
Authority: CN
Inventors: 邝旭东
Original assignee: Shenzhen Optichina Technology Ltd
Current assignee: Shenzhen Optichina Technology Ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-21
Anticipated expiration: 2031-07-07

Abstract

The utility model belongs to the technical field of optical fiber adapters, and particularly relates to a firmly-installed optical fiber adapter which comprises a shell, wherein two optical fibers are sleeved on the side wall of the shell in a sliding manner, core wires are sleeved in the optical fibers and fixedly connected with each other, a supporting barrel is welded on the side wall of the shell, the optical fibers are sleeved in the supporting barrel, a gland is connected to the supporting barrel through threads, the optical fibers are movably connected in the gland, a sealing groove is formed in the side wall of the supporting barrel, a sealing sleeve is sleeved in the sealing groove in a sliding manner, a cushion block is welded on the shell, and a semicircular supporting plate is welded on the cushion block. According to the utility model, through arranging the structures such as the supporting barrel, the gland, the sealing groove and the sealing sleeve, when the optical fiber is inserted into the shell, the sealing sleeve is pressed in the sealing groove through the gland, so that the gap between the optical fiber and the supporting barrel is sealed, and dust is prevented from entering the shell from the gap between the supporting barrel and the optical fiber after the device is used for a long time.

Description

Optical fiber adapter firm in installation

Technical Field

The utility model relates to the technical field of optical fiber adapters, in particular to an optical fiber adapter which is firm in installation.

Background

The optical fiber connector is the most used passive optical device in the optical fiber communication system, and most of the optical fiber connectors are composed of three parts, namely two optical fiber connectors and a coupler. Two optical fiber connectors are arranged at the tail ends of the two optical fibers; the coupler acts as an alignment sleeve. In addition, the coupler is provided with a metal or nonmetal flange so as to facilitate the installation and fixation of the connector.

In the prior art, when the optical fiber is fixed by the optical fiber adapter, the optical fiber is not firmly installed and fixed, the connection of the optical fiber core wire is easy to loosen, and meanwhile, dust is easy to enter a gap between the optical fiber and the adapter shell. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a firmly-installed optical fiber adapter, which solves the problem that the installation and fixation of an optical fiber are not firm enough and also solves the problem that dust easily enters a gap between the optical fiber and an adapter shell.

In order to achieve the purpose, the utility model provides the following technical scheme: an optical fiber adapter with firm installation comprises a shell, wherein two optical fibers are sleeved on the side wall of the shell in a sliding manner, core wires are sleeved in the optical fibers, the two core wires are fixedly connected, a supporting barrel is welded on the side wall of the shell, the optical fibers are sleeved in the supporting barrel, a gland is connected to the supporting barrel through threads, the optical fibers are movably connected in the gland, a sealing groove is formed in the side wall of the supporting barrel, a sealing sleeve is sleeved in the sealing groove in a sliding manner, a cushion block is welded on the shell, a semicircular supporting plate is welded on the cushion block, a shell cover is contacted on the shell, four elastic plates are welded on the shell cover, an oblique block is welded on the elastic plates, a clamping groove is formed in the side wall of the shell, an oblique block is connected in the clamping groove in a sliding manner, a screw rod is connected in the shell cover through threads, a square hole is formed in the screw rod, and a square rod is sleeved in the square hole in a sliding manner, the square rod is welded with a cross rod, the outer side of the screw rod is rotatably connected with a connecting sleeve, and the connecting sleeve is welded with a semicircular pressing plate.

Preferably, one end of the sealing sleeve is in contact with the gland, and the optical fiber is sleeved in the sealing sleeve in a sliding mode.

Preferably, the core wire is contacted with the semicircular supporting plate, and the core wire is contacted with the semicircular pressing plate.

Preferably, four elastic plates are uniformly distributed on the shell cover, and the elastic plates are in contact with the shell.

Preferably, the cross rod is welded with a bolt, the shell cover is provided with a jack, and the bolt is clamped in the jack.

Preferably, the side wall of the connecting sleeve is connected with a limiting pin through threads, the screw rod is provided with an annular groove, and the limiting pin is connected in the annular groove in a sliding mode.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through arranging the structures such as the supporting barrel, the gland, the sealing groove and the sealing sleeve, when the optical fiber is inserted into the shell, the sealing sleeve is pressed in the sealing groove through the gland, so that the gap between the optical fiber and the supporting barrel is sealed, and dust is prevented from entering the shell from the gap between the supporting barrel and the optical fiber after the device is used for a long time.

2. According to the utility model, by arranging the semicircular supporting plate, the screw rod, the semicircular pressing plate, the sealing sleeve, the pressing cover and the like, after the optical fibers are connected, the sealing sleeve is pressed by the pressing cover to deform the sealing sleeve, so that the optical fibers are clamped, and meanwhile, the screw rod is rotated to enable the semicircular pressing plate to press the core wires on the semicircular supporting plate, so that the two optical fibers are more firmly installed, and the optical fibers are prevented from loosening.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a front cross-sectional view of the utility model of FIG. 1;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the utility model at B in FIG. 2;

fig. 5 is a left side view of the semi-circular pallet of fig. 2 in accordance with the present invention.

In the figure: 1. a housing; 2. an optical fiber; 3. a core wire; 4. a support cylinder; 5. a gland; 6. sealing sleeves; 7. a sealing groove; 8. cushion blocks; 9. a semicircular supporting plate; 10. a shell cover; 11. an elastic plate; 12. a sloping block; 13. a card slot; 14. a screw; 15. a square hole; 16. a square bar; 17. a cross bar; 18. a bolt; 19. a jack; 20. connecting sleeves; 21. a spacing pin; 22. a ring groove; 23. a semicircular pressing plate.

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. 1-5, an optical fiber adapter with a firm installation includes a housing 1, two optical fibers 2 are slidably sleeved on a side wall of the housing 1, core wires 3 are sleeved in the optical fibers 2, the two core wires 3 are fixedly connected, a supporting barrel 4 is welded on the side wall of the housing 1, the optical fibers 2 are sleeved in the supporting barrel 4, a gland 5 is connected to the supporting barrel 4 through threads, the optical fibers 2 are movably connected to the gland 5, a sealing groove 7 is formed on the side wall of the supporting barrel 4, a sealing sleeve 6 is slidably sleeved in the sealing groove 7, a cushion block 8 is welded on the housing 1, a semicircular supporting plate 9 is welded on the cushion block 8, a housing cover 10 is contacted to the housing 1, four elastic plates 11 are welded to the housing cover 10, oblique blocks 12 are welded to the elastic plates 11, a clamping groove 13 is formed on the side wall of the housing 1, the oblique blocks 12 are slidably connected to the clamping groove 13, a screw 14 is connected to the housing cover 10 through threads, and a square hole 15 is formed in the screw 14, the square hole 15 is sleeved with a square rod 16 in a sliding mode, a cross rod 17 is welded on the square rod 16, the outer side of the screw rod 14 is connected with a connecting sleeve 20 in a rotating mode, and a semicircular pressing plate 23 is welded on the connecting sleeve 20.

Referring to fig. 2, one end of the sealing sleeve 6 is in contact with the gland 5, and the optical fiber 2 is slidably sleeved in the sealing sleeve 6. The support cylinder 4 is closed by the provision of a sealing sleeve 6.

Referring to fig. 2, the core wire 3 is in contact with the semicircular supporting plate 9, and the core wire 3 is in contact with the semicircular pressing plate 23. Through setting up semicircle layer board 9 and semicircle clamp plate 23, compress tightly fixedly heart yearn 3.

Referring to fig. 1 and 2, four elastic plates 11 are uniformly distributed on the housing cover 10, and the elastic plates 11 are in contact with the housing 1. By arranging the four elastic plates 11, the housing cover 10 is more stably installed.

Referring to fig. 3, the cross bar 17 is welded with a pin 18, the housing cover 10 is provided with a jack 19, and the pin 18 is clamped in the jack 19. The cross rod 17 is limited by arranging the matching of the bolt 18 and the jack 19.

Referring to fig. 4, the side wall of the connecting sleeve 20 is connected with a limit pin 21 through a thread, the screw 14 is provided with a ring groove 22, and the limit pin 21 is slidably connected in the ring groove 22. The connecting sleeve 20 and the screw 14 are connected by arranging a limit pin 21 to be matched with the annular groove 22.

The specific implementation process of the utility model is as follows: when the device is used, two optical fibers 2 penetrate through the gland 5, the sealing sleeve 6 and the support cylinder 4 and then are inserted into the shell 1, the two core wires 3 are twisted together, then the gland 5 is rotated, the gland 5 rotates and the support cylinder 4 makes a threaded motion, so that the gland 5 moves towards the shell 1, the gland 5 moves to drive the sealing sleeve 6 to move, the sealing sleeve 6 moves towards the sealing groove 7, the sealing sleeve 6 is extruded and deformed along with the movement of the gland 5, the optical fibers 2 are inserted into the shell 1 through the structures of the support cylinder 4, the gland 5, the sealing groove 7, the sealing sleeve 6 and the like, the sealing sleeve 6 is pressed in the sealing groove 7 through the gland 5, a gap between the optical fibers 2 and the support cylinder 4 is sealed, dust is prevented from entering the shell 1 from the gap between the support cylinder 4 and the optical fibers 2 after the device is used for a long time, then the cross rod 17 moves towards a direction far away from the shell cover 10, so that the bolt 18 and the jack 19 are disengaged, and the square bar 16 is kept inserted in the square hole 15, then the cross bar 17 rotates the square bar 16, the square bar 16 rotates to drive the screw 14 to rotate, the screw 14 rotates and the shell cover 10 makes a thread motion, further, the screw 14 moves downwards, the screw 14 drives the connecting sleeve 20 to move, the connecting sleeve 20 drives the semicircular pressing plate 23 to move downwards, the semicircular pressing plate 23 extrudes the core wire 3, the core wire 3 is pressed on the semicircular supporting plate 9, by arranging the structures of the semicircular supporting plate 9, the screw 14, the semicircular pressing plate 23, the sealing sleeve 6, the pressing cover 5 and the like, after the optical fiber 2 is connected, the sealing sleeve 6 is pressed by the pressing cover 5 to deform the sealing sleeve 6, and then press from both sides tightly optic fibre 2, simultaneously, rotate screw rod 14 and make semicircle clamp plate 23 compress tightly heart yearn 3 on semicircle layer board 9, and then make the installation more firm between two optic fibre 2, avoid optic fibre 2 pine to take off.

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. A securely mounted fiber optic adapter comprising a housing (1), characterized in that: the optical fiber cable comprises a shell (1), and is characterized in that two optical fibers (2) are sleeved on the side wall of the shell (1) in a sliding manner, core wires (3) are sleeved in the optical fibers (2), the two core wires (3) are fixedly connected, a supporting barrel (4) is welded on the side wall of the shell (1), the optical fibers (2) are sleeved in the supporting barrel (4), a gland (5) is connected onto the supporting barrel (4) through threads, the optical fibers (2) are movably connected onto the gland (5), a sealing groove (7) is formed in the side wall of the supporting barrel (4), a sealing sleeve (6) is sleeved in the sealing groove (7) in a sliding manner, a cushion block (8) is welded onto the shell (1), a semicircular supporting plate (9) is welded onto the cushion block (8), a shell cover (10) is contacted onto the shell (1), four elastic plates (11) are welded onto the shell cover (10), an inclined block (12) is welded onto the elastic plates (11), draw-in groove (13) have been seted up to the lateral wall of casing (1), sliding connection has sloping block (12) in draw-in groove (13), there is screw rod (14) through threaded connection in cap (10), square hole (15) have been seted up in screw rod (14), square hole (15) are slided in the slip and have been cup jointed square beam (16), the welding has horizontal pole (17) on square beam (16), the outside of screw rod (14) is rotated and is connected with adapter sleeve (20), the welding has semicircle clamp plate (23) on adapter sleeve (20).

2. A securely mounted fiber optic adapter according to claim 1, wherein: one end of the sealing sleeve (6) is in contact with the gland (5), and the optical fiber (2) is sleeved in the sealing sleeve (6) in a sliding mode.

3. A securely mounted fiber optic adapter according to claim 1, wherein: the core wire (3) is in contact with the semicircular supporting plate (9), and the core wire (3) is in contact with the semicircular pressing plate (23).

4. A securely mounted fiber optic adapter according to claim 1, wherein: the four elastic plates (11) are uniformly distributed on the shell cover (10), and the elastic plates (11) are in contact with the shell (1).

5. A securely mounted fiber optic adapter according to claim 1, wherein: the cross rod (17) is welded with a bolt (18), the shell cover (10) is provided with a jack (19), and the bolt (18) is clamped in the jack (19).

6. A securely mounted fiber optic adapter according to claim 1, wherein: the lateral wall of adapter sleeve (20) has spacer pin (21) through threaded connection, annular (22) have been seted up on screw rod (14), sliding connection has spacer pin (21) in annular (22).