CN220105351U

CN220105351U - Waterproof optical fiber connector

Info

Publication number: CN220105351U
Application number: CN202321581087.7U
Authority: CN
Inventors: 倪榕
Original assignee: Shenzhen Fenghua Zhilian Technology Co ltd
Current assignee: Shenzhen Fenghua Zhilian Technology Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-11-28
Anticipated expiration: 2033-06-19

Abstract

The utility model relates to a waterproof optical fiber connector, which comprises an adapter seat, a sleeve and a tail plug; the adapter seat is provided with an adapter hole for inserting the butt joint of the optical fiber connector; the tail plug is provided with a sleeving hole for sleeving the tail optical fiber of the optical fiber connector; the sleeve is detachably connected with the adapter seat and can be sleeved on an optical fiber connector spliced with the adapter seat, the sleeve is in sealing fit with the adapter seat, and the tail plug is respectively in sealing fit with the sleeve and the optical fiber. The two ends of the sleeve of the waterproof optical fiber connector can be respectively sealed with the adapter seat and the tail plug, meanwhile, when the optical fiber connectors of different types are plugged with the adapter seat, the sleeve can be sleeved to protect the optical fiber connectors and squeeze the tail plug, so that the inner side and the outer side of the tail plug are respectively sealed with the optical fiber and the sleeve, water or dust and the like are prevented from invading, and the universality and the safety are improved.

Description

Waterproof optical fiber connector

Technical Field

The utility model relates to the field of optical fiber communication, in particular to a waterproof optical fiber connector.

Background

The optical fiber connector in the related art is usually exposed after being connected with the adapter on the cabinet body or the distribution box, and if the optical fiber connector is installed in an outdoor place or the like which is easy to be invaded by rain and dust, the optical fiber connector can influence communication signals.

The ordinary protection casing is usually by one end and adapter connection, and the other end cup joints with optic fibre, realizes sealedly by the both ends cooperation of protection casing, because the material of protection casing is hard material, sealed effect is usually not good, after long-term exposure, the leakproofness can drop to some extent, then can cause the damage to the optic fibre connector, influences normal communication.

Disclosure of Invention

The present utility model is directed to solving the above-mentioned problems of the prior art by providing a waterproof optical fiber connector.

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

the adapter seat is provided with an adapter hole for inserting the butt joint of the optical fiber connector;

the tail plug is provided with a sleeving hole for sleeving the tail optical fiber of the optical fiber connector;

the sleeve is detachably connected with the adapter seat and can be sleeved on an optical fiber connector inserted into the adapter seat, the sleeve and the adapter seat are in sealing fit with each other, and the tail plug is respectively in sealing fit with the sleeve and the optical fiber.

In some embodiments, the tail plug is made of soft rubber, and a broken notch is formed in the side wall of the tail plug so as to be laterally sleeved on the optical fiber.

In some embodiments, the end of the sleeve remote from the adapter seat comprises a socket section sleeved outside the tail plug.

In some embodiments, the socket Duan Yuan has a bayonet extending from an end toward the adaptor at an end thereof.

In some embodiments, the bayonet is circumferentially distributed at an end of the sleeve remote from the adapter seat.

In some embodiments, the bayonet is less than the length of the socket segment, with the inner circumference of the socket segment sealed to the tail plug.

In some embodiments, the waterproof fiber optic connector further comprises a tail cap threaded with an end of the ferrule remote from the adapter seat to allow the socket section to press-fit the tail plug.

In some embodiments, a connector is further provided on the tail cap, the connector comprising a collar that is sleeved onto the sleeve.

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

In some embodiments, the sleeve is screw-fit with the adapter seat.

The waterproof optical fiber connector has the following beneficial effects: the two ends of the sleeve of the waterproof optical fiber connector can be respectively sealed with the adapter seat and the tail plug, meanwhile, when the optical fiber connectors of different types are plugged with the adapter seat, the sleeve can be sleeved to protect the optical fiber connectors and squeeze the tail plug, so that the inner side and the outer side of the tail plug are respectively sealed with the optical fiber and the sleeve, water or dust and the like are prevented from invading, and the universality and the safety are improved.

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 connector according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of the waterproof optical fiber connector of FIG. 1;

FIG. 3 is an exploded view of the waterproof fiber optic connector of FIG. 1;

fig. 4 is a schematic cross-sectional view of the disassembled waterproof optical fiber connector of fig. 3.

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 4, the waterproof optical fiber connector in a preferred embodiment of the present utility model includes an adapter seat 1, a sleeve 2, a tail plug 3, and a tail cap 4, wherein the adapter seat 1 is usually mounted on a cabinet or a junction box and is matched with an adapter in the cabinet or the junction box, an adapter hole 11 for inserting a butt joint 51 of an optical fiber connector 5 is provided on the adapter seat 1, the optical fiber connector 5 is in plug connection with the adapter, and a socket hole 31 is provided on the tail plug 3 for sleeving a tail optical fiber 52 of the optical fiber connector 5. The sleeve 2 is detachably connected with the adapter seat 1 and can be sleeved on an optical fiber 52 connector spliced with the adapter seat 1, the sleeve 2 is in sealing fit with the adapter seat 1, the tail plug 3 is respectively in sealing fit with the sleeve 2 and the optical fiber 52, and the tail cover 4 can lock the tail end of the sleeve 2, so that the tightness between the sleeve 2 and the tail plug 3 is higher.

As shown in fig. 2, the sleeve 2 has a hollow structure and can be sleeved on the optical fiber connectors 5 with different specifications, so that protection of different optical fiber connectors 5 can be realized. After the sleeve 2 is connected with the adapter seat 1, the connection position is sealed, so that external water, dust and the like can be prevented from entering the sleeve 2 from the upper end of the sleeve 2. Preferably, a retainer ring 12 is arranged on the adapter seat 1 along the circumference, a sealing ring 13 matched with the end part of the sleeve 2 is arranged on one side of the retainer ring 12 adjacent to the sleeve 2, and after the sleeve 2 is connected with the adapter seat 1, the sealing ring is pressed tightly to realize the sealing of the position.

In some embodiments, the retainer ring 12 is arranged on the adapter seat 1 along the circumference, and the sealing ring 13 matched with the end part of the sleeve 2 is arranged on one side of the retainer ring 12 adjacent to the sleeve 2, so that the installation is more stable, the sealing effect of the sealing ring 13 can be optimal, and the upper end of the sleeve 2 is ensured not to leak.

Referring to fig. 2 to 4, in some embodiments, the tail plug 3 is made of a soft plastic material, and a broken notch 32 is formed in a side wall of the tail plug 3, so as to facilitate lateral sleeving on the optical fiber 52, and the tail plug 3 can be positioned with the optical fiber 52 by virtue of soft characteristics, so that random sliding is avoided. After being extruded, the tail plug 3 can have a good sealing effect.

The sleeve 2 is far away from one end of the adapter seat 1 and comprises the sleeve joint section 21 sleeved outside the tail plug 3, and generally, the shape of an inner hole of the sleeve joint section 21 is smaller than that of the tail plug 3, after the sleeve joint section 21 is sleeved on the tail plug 3, the tail plug 3 can be axially positioned and extruded, the tail plug 3 is kept sealed with the sleeve joint section 21, and external water, dust and the like can be prevented from entering the sleeve 2.

In some embodiments, a bayonet 211 extending from the end to the direction of the adapter seat 1 is provided at the end of the socket section 21 away from the adapter seat 1, so that the socket section 21 can be deformed under the action of external force. When the sleeve is connected to the tail plug 3, the bayonet 211 of the sleeve joint section 21 can be slightly opened when the sleeve joint section is pressed outwards by the tail plug 3, and the tail plug 3 is clamped by the tightening force of the sleeve joint section 21 to realize sealing.

Further, in this embodiment, the bayonet 211 is circumferentially distributed at the end of the sleeve 2 away from the adapter seat 1, so that the deformation of the inner hole of the socket section 21 is larger, and the tail plug 3 is clamped more tightly by using the elastic force of deformation. The number of bayonets 211 may also be one, or another.

Preferably, the length of the bayonet 211 is smaller than that of the sleeve joint section 21, so that the inner end circumference of the sleeve joint section 21 is sealed with the tail plug 3, the clamping and fixing effect of the tail plug 3 is achieved, the sealing effect is achieved, and leakage cannot be caused at the bayonet 211.

In some embodiments, the tail cap 4 is screwed with the end of the sleeve 2 away from the adapter seat 1, so that after the tail cap 4 is screwed on, the outer wall of the sleeve joint section 21 can be pressed inwards, the sleeve joint section 21 presses the tail plug 3, the tightness between the tail plug 3 is improved, and the positions of the tail plug 3 and the sleeve 2 are fixed.

The tail cover 4 is further provided with a connecting buckle 41, the connecting buckle 41 comprises a lantern ring 42 sleeved on the sleeve 2, the lantern ring 42 can be sleeved with the sleeve 2, after the tail cover 4 is separated from the sleeve 2, the tail cover 4 is connected with the sleeve 2 by means of the connecting buckle 41, and the tail cover 4 is not easy to lose in the dismounting process.

The both ends of waterproof type fiber connector's sleeve pipe 2 can be respectively with adapter 1, tail stopper 3 realize sealedly, simultaneously, when fiber connector 5 and adapter 1 of different models are pegged graft, sleeve pipe 2 can all overlap and establish, protects fiber connector 5 to can extrude the tail stopper, let the inside and outside of tail stopper seal with optic fibre, sleeve pipe respectively, prevent invasion such as water or dust, promoted commonality and security.

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

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

an adapting hole (11) for inserting the butt joint (51) of the optical fiber connector (5) is formed in the adapting seat (1);

the tail plug (3) is provided with a sleeving hole (31) for sleeving a tail optical fiber (52) of the optical fiber connector (5);

the sleeve (2) is detachably connected with the adapter seat (1) and can be sleeved on an optical fiber (52) connector spliced with the adapter seat (1), the sleeve (2) is in sealing fit with the adapter seat (1), and the tail plug (3) is respectively in sealing fit with the sleeve (2) and the optical fiber (52).

2. The waterproof optical fiber connector according to claim 1, wherein the tail plug (3) is made of soft rubber, and a broken notch (32) is formed in a side wall of the tail plug (3) so as to be laterally sleeved on the optical fiber (52).

3. The waterproof optical fiber connector according to claim 2, characterized in that the end of the sleeve (2) remote from the adapter seat (1) comprises a socket section (21) sleeved outside the tail plug (3).

4. A waterproof optical fiber connector according to claim 3, characterized in that the end of the socket section (21) remote from the adapter seat (1) is provided with a bayonet (211) extending from the end in the direction of the adapter seat (1).

5. The waterproof optical fiber connector according to claim 4, characterized in that the end of the sleeve (2) remote from the adapter seat (1) is circumferentially distributed with the bayonet (211).

6. The waterproof optical fiber connector according to claim 4, wherein the bayonet (211) has a length smaller than the length of the socket section (21), and the inner end circumference of the socket section (21) is sealed with the tail plug (3).

7. The waterproof optical fiber connector according to any one of claims 3 to 6, further comprising a tail cap (4) screwed with an end of the sleeve (2) remote from the adapter seat (1) so that the socket section (21) presses the tail plug (3).

8. The waterproof optical fiber connector according to claim 7, wherein a connecting buckle (41) is further provided on the tail cap (4), and the connecting buckle (41) comprises a collar (42) sleeved on the sleeve (2).

9. The waterproof optical fiber connector according to any one of claims 1 to 6, wherein a retainer ring (12) is provided on the adapter seat (1) along a circumference, and a sealing ring (13) matched with an end portion of the sleeve (2) is provided on a side of the retainer ring (12) adjacent to the sleeve (2).

10. The waterproof optical fiber connector according to any one of claims 1 to 6, characterized in that the sleeve (2) is screw-fitted with the adapter seat (1).