CN219997348U - Waterproof optical fiber connection adapter - Google Patents

Abstract

The utility model relates to a waterproof optical fiber connection adapter, which comprises an adapter seat, a sleeve and a tail plug; the adapter comprises a base body and a tail pipe, one end of the tail pipe is connected with the base body, the standard optical fiber connector is inserted into the tail pipe, and the base body is provided with a core-inserting butt joint hole communicated with the tail pipe for inserting a butt joint of the optical fiber connector; the sleeve is detachably sleeved on the tail pipe, and one end of the sleeve is in sealing fit with the seat body; the tail plug is provided with a sleeve hole for sleeve the tail optical fiber of the optical fiber connector, and the tail plug is respectively in sealing fit with the sleeve and the optical fiber. The both ends of sheathed tube all have sealedly, and water enters into inside when can preventing outdoor use, avoids causing the damage to the fiber connector, lets the communication not receive outside weather's influence, has promoted security and stability, has prolonged life, also the cost is reduced.

Description

Waterproof optical fiber connection adapter

Technical Field

The present utility model relates to the field of communications, and more particularly, to a waterproof fiber optic connection adapter.

Background

In the related art, most of optical fiber connectors and adapters adopt industry standard connectors and adapters, and the design of the connectors and adapters is originally aimed at solving the problem of indoor or optical fiber connection in a protection box (box body) without waterproof requirements; at present, optical fiber connectors and adapters with waterproof requirements exist in the market, and most of the optical fiber connectors and adapters are subjected to nonstandard design and customized processing, so that standard connector connectors cannot be used, the construction efficiency is low, and the use cost is increased.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a waterproof optical fiber connection adapter aiming at the defects of the prior art, and the waterproof optical fiber connection adapter can meet the requirements of waterproof and can use an industry standard connector.

The technical scheme adopted for solving the technical problems is as follows: constructing a waterproof optical fiber connection adapter, which comprises an adapter seat, a sleeve and a tail plug;

the adapter comprises a base body and a tail pipe, one end of the tail pipe is connected with the base body, the tail pipe is used for inserting an optical fiber connector, and a core-inserting butt hole communicated with the tail pipe is formed in the base body and used for inserting a butt joint of the optical fiber connector;

the sleeve is detachably sleeved on the tail pipe, and one end of the sleeve is in sealing fit with the seat body;

the tail plug is provided with a sleeve hole so as to sleeve the tail optical fiber of the optical fiber connector, and the tail plug is respectively in sealing fit with the sleeve pipe and the optical fiber.

In some embodiments, an operation port for operating the optical fiber connector is formed on a side wall of the tail pipe.

In some embodiments, a second sealing ring is arranged outside the tail pipe and is in sealing fit with the inner wall of the sleeve, and the operation port is positioned between the second sealing ring and the seat body.

In some embodiments, an end of the sleeve remote from the seat is sleeved outside the tail plug.

In some embodiments, an end of the tail pipe away from the seat body is provided with a relief opening extending from the end to the direction of the seat body.

In some embodiments, the tail pipe is provided with the avoidance ports along a circumferential direction at an end far away from the seat body.

In some embodiments, the tail plug is made of soft rubber, and the side wall is provided with a broken notch to be laterally sleeved on the optical fiber, and one end of the tail pipe, which is far away from the seat body, is clamped between the sleeve and the tail plug.

In some embodiments, the base is provided with a plug connection hole into which the head of the optical fiber connector is inserted, and a locking structure for locking the optical fiber connector is arranged on the inner wall of the plug connection hole.

In some embodiments, the sleeve is threadably engaged with the housing.

In some embodiments, a retainer ring is arranged on the seat body along the circumference, and a first sealing ring matched with the end part of the sleeve is arranged on one side, adjacent to the sleeve, of the retainer ring.

The waterproof optical fiber connection adapter has the following beneficial effects: the both ends of sheathed tube all have sealedly, can prevent that water from entering into inside when outdoor use, avoid causing the damage to the fiber connector, let the communication not receive outside weather's influence, promoted security and stability, prolonged life, also the cost is reduced, in addition, the connector of the general use industry standard type of adapter.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of an assembled structure of a waterproof fiber optic connection adapter in an embodiment of the present utility model;

FIG. 2 is a schematic exploded view of the waterproof fiber optic connection adapter of FIG. 1;

FIG. 3 is a schematic view of an exploded view of the waterproof fiber optic connection adapter of FIG. 1 from another angle;

FIG. 4 is a perspective view of the adapter of FIG. 3;

fig. 5 is a schematic cross-sectional view of the adapter of fig. 4.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.

As shown in fig. 1 to 3, the waterproof optical fiber connection adapter in a preferred embodiment of the present utility model includes an adapter seat 1, a sleeve 2 and a tail plug 3, wherein the adapter seat 1 can be firstly installed on an outdoor optical fiber distribution box, the inner end of the adapter seat 1 is used for winding connection in the distribution box, so that an optical fiber connector 4 is inserted into the adapter seat 1 of the adapter from the outside, and then the sleeve 2 and the tail plug 3 are installed, so that the optical fiber connector 4 is locked on the adapter seat 1, and the optical fiber connector 4 is isolated and sealed from the outside, thereby playing a waterproof role. Preferably, the optical fiber connector 4 can be a standard optical fiber connector, so that the structure of the adapter can be universal, and the connector which is waterproof and can be used in industry standard is met.

In some embodiments, as shown in fig. 4 and fig. 5, the adapter 1 includes a base 11 and a tail pipe 12 with one end connected to the base 11, where the tail pipe 12 is located at an outer side of the junction box, and can be used for inserting the optical fiber connector 4, a plug connection hole 111 for inserting a head of the optical fiber connector 4 and a ferrule docking hole 112 for inserting a docking head 41 of the optical fiber connector 4 are provided on the base 11, and the plug connection hole 111 and the ferrule docking hole 112 are both communicated with the plug docking hole 112 of the tail pipe 12, so that the optical fiber connector 4 is convenient for plugging and positioning, and the docking head 41 is convenient for inserting and communicating.

Preferably, a locking structure 113 for locking the optical fiber connector 4 is provided on the inner wall of the plug connection hole 111, so as to fix the spliced optical fiber connector 4. The engaging structure 113 is usually a buckle, and engages with a slot on the optical fiber connector 4, and is located in the axial direction and the circumferential direction, respectively. Of course, in other embodiments, the positioning of the optical fiber connector 4 is also achieved after the sleeve 2 is locked with the adapter seat 1.

As shown in fig. 1 to 4, the sleeve 2 is detachably sleeved on the tail pipe 12, and one end of the sleeve is in sealing fit with the seat body 11. Specifically, in the present embodiment, the sleeve 2 is screwed to the seat 11, so that the installation and the sealing of the screwed position can be realized by means of the screwing. Of course, the sleeve 2 and the seat 11 can also be clamped to realize locking installation, so that enough locking force is ensured and sealing can be ensured.

Further, in this embodiment, the retainer ring 114 is disposed on the base 11 along the circumference, and a first sealing ring 115 matched with the end of the sleeve 2 is disposed on the side of the retainer ring 114 adjacent to the sleeve 2, after the sleeve 2 is locked with the base 11, the end of the sleeve 2 can be pressed against the first sealing ring 115, and sealing is achieved at the end, so that water is prevented from entering the sleeve 2 from the end. The other side of the retainer ring 114 is also provided with a sealing ring, which is matched with the side wall of the junction box to realize sealing.

Further, in some embodiments, the tail plug 3 is provided with a sleeve hole 31 to sleeve the tail optical fiber 42 of the optical fiber connector 4, and the tail plug 3 is respectively in sealing fit with the sleeve 2 and the optical fiber 42, so that the other end of the sleeve 2 and the optical fiber 42 are sealed to prevent water from entering the sleeve 2 from the tail end.

The sleeve pipe 2's both ends all have sealedly, and water enters into inside when can preventing outdoor use, avoids causing the damage to fiber connector 4, lets the communication not receive outside weather's influence, has promoted security and stability, has prolonged life, also the cost is reduced.

In some embodiments, the side wall of the tail pipe 12 is provided with an operation port 121 for operating the optical fiber connector 4, and the number of the operation ports 121 may be one or more, so that the optical fiber connector 4 after being inserted into the sleeve 2 can still be operated by an operator, and can be stably and accurately inserted into the seat 11. Simultaneously, can also conveniently pull out fiber optic connector 4 from pedestal 11.

In order to further improve the sealing performance, a second sealing ring 122 in sealing fit with the inner wall of the sleeve 2 is arranged outside the tail pipe 12, and the operation opening 121 is positioned between the second sealing ring 122 and the seat 11, so that water can be prevented from flowing into the operation opening 121 and entering the tail pipe 12 when water enters from the tail of the tail pipe 12, and the waterproof performance of the tail is improved.

Preferably, the tail plug 3 can be made of soft rubber, and one end of the sleeve 2, which is far away from the seat 11, is sleeved outside the tail plug 3 and can be tightly matched with the outer side of the tail plug 3 to realize sealing. Of course, sealing rings may be provided on the inner ring and the outer ring of the tail plug 3, respectively, to seal with the ferrule 2 and the optical fiber 42, respectively. Further, for convenience of installation, the sidewall of the tail plug 3 is provided with a break-off notch 32 to be laterally installed on the optical fiber 42 after opening.

In addition, when the sleeve 2 is fitted over the tail portion of the tail pipe 12, the outer wall surface of the tail pipe 12 may be pressed, resulting in unstable assembly. In some embodiments, a relief opening 123 extending from the end toward the seat 11 may be formed at the end of the tail pipe 12 away from the seat 11, so that the tail pipe 12 may be retracted to avoid interference with the casing 2. Preferably, the tail pipe 12 has a relief port 123 circumferentially distributed at an end thereof remote from the housing 11 so as to be uniformly contracted circumferentially.

Further, in the present embodiment, the end of the tail pipe 12 away from the seat 11 is sandwiched between the sleeve 2 and the tail plug 3, and can be attached to the surface of the tail plug 3 after the tail portion of the tail pipe 12 is contracted, so that the sealing property of the tail portion can be further improved.

It will be appreciated that the above technical features may be used in any combination without limitation.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (8)

1. The waterproof optical fiber connection adapter is characterized by comprising an adapter seat (1), a sleeve (2) and a tail plug (3);

the adapter seat (1) comprises a seat body (11) and a tail pipe (12) with one end connected with the seat body (11), wherein the tail pipe (12) is used for inserting an optical fiber connector (4), and a core-inserting butt joint hole (112) communicated with the tail pipe (12) is formed in the seat body (11) for inserting a butt joint head (41) of the optical fiber connector (4); the sleeve (2) is detachably sleeved on the tail pipe (12), and one end of the sleeve is in sealing fit with the seat body (11);

a sleeve joint hole (31) is formed in the tail plug (3) so as to sleeve a tail optical fiber (42) of the optical fiber connector (4), and the tail plug (3) is respectively in sealing fit with the sleeve (2) and the optical fiber (42);

an operation port (121) for operating the optical fiber connector (4) is formed in the side wall of the tail pipe (12);

the tail pipe (12) is provided with a second sealing ring (122) which is in sealing fit with the inner wall of the sleeve (2), and the operation opening (121) is positioned between the second sealing ring (122) and the seat body (11).

2. The waterproof optical fiber connection adapter according to claim 1, wherein an end of the sleeve (2) remote from the seat (11) is sleeved outside the tail plug (3).

3. The waterproof optical fiber connection adapter according to claim 1, wherein an end of the tail pipe (12) remote from the housing (11) is provided with a relief opening (123) extending from the end toward the housing (11).

4. A waterproof optical fiber connection adapter according to claim 3, characterized in that the tail pipe (12) is circumferentially distributed with the relief openings (123) at an end remote from the seat body (11).

5. The waterproof optical fiber connection adapter according to claim 1, wherein the tail plug (3) is made of soft rubber, a broken notch (32) is formed in the side wall of the tail plug, the tail plug is laterally sleeved on the optical fiber (42), and one end of the tail pipe (12) away from the seat body (11) is clamped between the sleeve (2) and the tail plug (3).

6. The waterproof optical fiber connection adapter according to claim 1, wherein the base (11) is provided with a plug connection hole (111) into which the head of the optical fiber connector (4) is inserted, and an engagement structure (113) for engaging the optical fiber connector (4) is provided on an inner wall of the plug connection hole (111).

7. The waterproof optical fiber connection adapter according to claim 1, characterized in that the sleeve (2) is screw-fitted with the housing (11).

8. The waterproof optical fiber connection adapter according to claim 1, wherein a retainer ring (114) is provided on the seat body (11) along a circumference, and a first sealing ring (115) matched with the end of the sleeve (2) is provided on one side of the retainer ring (114) adjacent to the sleeve (2).