CN214503958U

CN214503958U - Waterproof device for optical fiber adapter

Info

Publication number: CN214503958U
Application number: CN202023282665.6U
Authority: CN
Inventors: 王建芬
Original assignee: Shanghai Yiyang Communication Equipment Co ltd
Current assignee: Shanghai Yiyang Communication Equipment Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-26
Anticipated expiration: 2030-12-29

Abstract

The application relates to a waterproof device for an optical fiber adapter, which relates to the technical field of optical fiber adapters and comprises a waterproof box, wherein the waterproof box consists of an upper cover and a lower cover, a hinge is arranged between the upper cover and the lower cover, the upper cover and the lower cover are hinged through the hinge, the optical fiber adapter is placed between the upper cover and the lower cover, spring clamp sleeve sets are arranged on two sides of the upper cover and the lower cover adjacent to the hinge, each spring clamp sleeve set consists of a first half spring clamp sleeve and a second half spring clamp sleeve, and an optical fiber clamping area is formed between the first half spring clamp sleeve and the second half spring clamp sleeve; the waterproof box is provided with a locking nut, the locking nut is in threaded connection with the waterproof box, a propping surface is formed on the locking nut, and the propping surface is abutted against the first half spring jacket and the second half spring jacket. The application helps to improve the sealing effect between the first half spring jacket and the second half spring jacket and the optical fiber.

Description

Waterproof device for optical fiber adapter

Technical Field

The application relates to the technical field of optical fiber adapters, in particular to a waterproof device for an optical fiber adapter.

Background

Currently, the optical fiber adapter is the most used passive optical device in the optical fiber communication system, and most optical fiber connectors are composed of three parts: two fiber splices 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 related art, an operator loads two optical fiber connectors into the ends of two optical fibers, and then fixes the two optical fiber connectors by using a coupler, and then seals the connectors by using an O-ring.

In view of the above-mentioned related technologies, the inventor thinks that there is the O-ring seal that is adopted to seal, and the O-ring seal is easy to age after long-time use, so that the reliability of sealing is relatively low, and the popularization and use are not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that an O-shaped sealing ring is easy to age after being used for a long time, so that the sealing reliability is low, the application provides a waterproof device for an optical fiber adapter.

The application provides a watertight fittings for optic fibre adapter adopts following technical scheme:

a waterproof device for an optical fiber adapter comprises a waterproof box, wherein the waterproof box consists of an upper cover and a lower cover, a hinge is arranged between the upper cover and the lower cover, the upper cover and the lower cover are hinged through the hinge, the optical fiber adapter is placed between the upper cover and the lower cover, spring clamp sleeve sets are arranged on two sides of the upper cover and the lower cover adjacent to the hinge, each spring clamp sleeve set consists of a first half spring clamp sleeve and a second half spring clamp sleeve, and an optical fiber clamping area is formed between the first half spring clamp sleeve and the second half spring clamp sleeve; the waterproof box is provided with a locking nut, the locking nut is in threaded connection with the waterproof box, a propping surface is formed on the locking nut, and the propping surface is abutted against the first half spring jacket and the second half spring jacket.

Optionally, a first half sealing gasket is arranged on one side of the first half spring jacket close to the clamping area, a second half sealing gasket is arranged on one side of the second half spring jacket close to the clamping area, and the first half sealing gasket and the second half sealing gasket seal gaps between the optical fiber and the first half spring jacket and between the optical fiber and the second half spring jacket.

Optionally, the upper cover is provided with a sealing strip, and the sealing strip is abutted against the lower cover.

In summary, the present application includes at least one of the following water-resistant arrangements for fiber optic adapters:

1. through placing optical fiber adapter between upper cover and lower cover, then the optic fibre at optical fiber adapter both ends passes from the optic fibre clamping area between half first spring jacket and the half second spring jacket, later with lock nut and waterproof box threaded connection, the face of supporting on the lock nut is contradicted with half first spring jacket, half second spring jacket, helps promoting the leakproofness between half first spring jacket and half second spring jacket and the optic fibre.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a waterproof device for a fiber optic adapter according to the present embodiment;

FIG. 2 is a schematic view of the present embodiment mainly showing the opened state of the waterproof box;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a sectional view of the lock nut mainly embodied in the embodiment.

Reference numerals: 1. a waterproof box; 11. an external thread; 2. an upper cover; 21. a sealing strip; 22. an avoidance groove; 23. pressing a plate; 3. a hinge; 4. a lower cover; 5. a spring clip set; 51. a first half of the spring jacket; 511. a first embedding groove; 512. a first half gasket; 52. a fiber clamping region; 53. a second half of the spring jacket; 531. a second embedding groove; 532. a second half gasket; 6. locking the nut; 61. and (6) abutting the surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a watertight fittings for optic fibre adapter.

Referring to fig. 1 and 2, a waterproof device for an optical fiber adapter includes a waterproof box 1, the waterproof box 1 is hollow and cylindrical as a whole, the waterproof box 1 is divided into an upper cover 2 and a lower cover 4 along a horizontal plane of an axial direction, and the optical fiber adapter is placed between the upper cover 2 and the lower cover 4. A hinge 3 is arranged between the side walls of the upper cover 2 and the lower cover 4 which are close to each other, and the upper cover 2 and the lower cover 4 are rotatably connected through the hinge 3. So that the convenience of opening and closing the upper cover 2 and the lower cover 4 is improved.

Referring to fig. 2 and 3, one side of the upper cover 2 away from the hinge 3 is provided with a sealing strip 21, the length direction of the sealing strip 21 is the same as the axial direction of the upper cover 2, one end of the sealing strip 21 in the thickness direction is glued with one end face of the upper cover 2 close to the lower cover 4, and one end of the sealing strip 21 in the thickness direction departing from the upper cover 2 is abutted against the end face of the lower cover 4. The lower cover 4 is pressed tightly by the sealing strip 21, so that the sealing performance between the upper cover 2 and the lower cover 4 is improved.

Referring to fig. 2, avoidance grooves 22 are respectively formed at two ends of the upper cover 2 and the lower cover 4 in the axial direction, each avoidance groove 22 has a semicircular cross section, each avoidance groove 22 is coaxial with the corresponding upper cover 2 and the corresponding lower cover 4, and the two semicircular avoidance grooves 22 close to each other of the upper cover 2 and the lower cover 4 are combined to form a whole circle.

Referring to fig. 2, the pressing plates 23 are disposed on the sides of the upper cover 2 and the lower cover 4 away from the hinge 3, one ends of the pressing plates 23 are integrally formed with the corresponding upper cover 2 and the corresponding lower cover 4, and the other ends of the pressing plates extend towards the side away from the hinge 3.

Referring to fig. 2, spring clamp sets 5 are disposed on two sides of the upper cover 2 and the lower cover 4 in the axial direction, each of the two spring clamp sets 5 includes a first half spring clamp 51 and a second half spring clamp 53, each of the two first half spring clamps 51 and the two second half spring clamps 53 is integrally formed with the corresponding upper cover 2 and the corresponding lower cover 4, an optical fiber clamping area 52 is formed between each of the first half spring clamps 51 and the second half spring clamps 53, and the axial line of the optical fiber clamping area 52 is coaxial with the axial line of the avoidance groove 22.

Referring to fig. 2, the first half spring jacket 51 is provided with a first embedding groove 511, the second half spring jacket 53 is provided with a second embedding groove 531, the cross sections of the first embedding groove 511 and the second embedding groove 531 are combined to form a whole circle, and three first embedding grooves 511 and three second embedding grooves 531 are uniformly arranged along the axis corresponding to the first half spring jacket 51 and the second half spring jacket 53 at intervals.

Referring to fig. 2, each first embedding groove 511 is embedded with a first half sealing gasket 512, each second embedding groove 531 is embedded with a second half sealing gasket 532, and the first half sealing gasket 512 and the second half sealing gasket 532 tightly contact the optical fiber. So that the sealability between the first and second half-

spring jackets

51 and 53 and the optical fiber is improved.

Referring to fig. 2 and 4, locking nuts 6 are arranged at two ends of the axis direction of the waterproof box 1, external threads 11 are formed at two ends of the axis direction of the waterproof box 1, the two locking nuts 6 are coaxially arranged with the waterproof box 1, the locking nuts 6 are in threaded connection with the waterproof box 1, a abutting surface 61 is formed on each locking nut 6, and the abutting surface 61 abuts against the first half spring jacket 51 and the second half spring jacket 53.

The implementation principle of the waterproof device for the optical fiber adapter is as follows: in application. The staff wears to establish two lock nut 6 on two optic fibre, then with two optic fibre cooperation of pegging graft each other, place the optic fibre adapter between upper cover 2 and lower cover 4 simultaneously, upper cover 2 covers at lower cover 4 upside through hinge 3, optic fibre on the optic fibre adapter passes from dodging groove 22 afterwards, later half spring jacket 51 presss from both sides optic fibre with half spring jacket 53 of second and presss from both sides tightly, lock nut 6 and waterproof box 1 threaded connection at last, the face 61 that supports on the lock nut 6 is contradicted with half spring jacket 51 of first, half spring jacket 53 of second.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a watertight fittings for optic fibre adapter, includes waterproof box (1), waterproof box (1) comprises upper cover (2) and lower cover (4), be provided with hinge (3) between upper cover (2) and lower cover (4), it is articulated through hinge (3) between upper cover (2) and the lower cover (4), and optic fibre adapter places between upper cover (2) and lower cover (4), its characterized in that:

spring clamping sleeve sets (5) are arranged on two adjacent sides of the upper cover (2) and the lower cover (4) and the hinge (3), each spring clamping sleeve set (5) consists of a first half spring clamping sleeve (51) and a second half spring clamping sleeve (53), and an optical fiber clamping area (52) is formed between each first half spring clamping sleeve (51) and each second half spring clamping sleeve (53); the waterproof box is characterized in that a locking nut (6) is arranged on the waterproof box (1), the locking nut (6) is in threaded connection with the waterproof box (1), a abutting surface (61) is formed on the locking nut (6), and the abutting surface (61) is abutted against a first half spring jacket (51) and a second half spring jacket (53).

2. A water shield for a fiber optic adapter according to claim 1, wherein: one side, close to the clamping area, of the first half spring jacket (51) is provided with a first half sealing gasket (512), one side, close to the clamping area, of the second half spring jacket (53) is provided with a second half sealing gasket (532), and the first half sealing gasket (512) and the second half sealing gasket (532) seal gaps among the optical fibers, the first half spring jacket (51) and the second half spring jacket (53).

3. A water shield for a fiber optic adapter according to claim 1, wherein: be provided with sealing strip (21) on upper cover (2), sealing strip (21) are contradicted with lower cover (4).