CN211718565U

CN211718565U - Optical fiber connector with protective housing

Info

Publication number: CN211718565U
Application number: CN201922463763.0U
Authority: CN
Inventors: 叶佩缇; 谢文婷
Original assignee: Ningbo Sun Rise Exact Industrial Co ltd
Current assignee: Ningbo Sun Rise Exact Industrial Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-20
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to an optical fiber connector with protecting sheathing, including tail cover and plug housing, the one end of tail cover and the one end axial of transition adapter sleeve be connected, the other end of transition adapter sleeve link to each other with an interior lock section of thick bamboo, but the outside of an interior lock section of thick bamboo cup jointed axial displacement's plug housing, the inside of an interior lock section of thick bamboo be provided with the optic fibre seat, the inside axial of transition adapter sleeve install the double-layered line cover, the one end of one end and the one end of double-layered line cover of optic fibre seat withstand, the other end is provided with optic fibre positioning slot, the lateral wall of an interior lock section of thick bamboo on be provided with a plurality of wedge arch, plug housing's lateral wall on be provided with the through-hole that matches with the wedge arch. The utility model discloses combine together general optical fiber plug and protecting sheathing, guaranteed optical fiber connection's stability.

Description

Optical fiber connector with protective housing

Technical Field

The utility model relates to a network connection field especially relates to a fiber connector with protecting sheathing.

Background

Along with the development of optical fiber technology, the optical fiber head is used for connecting networks in stage equipment and media equipment more and more, and optical fiber connection needs additional dedicated optical fiber connector to combine the optical fiber head, and the outside of the optical fiber head of present mainstream does not have reasonable reliable protective housing, leads to the connection of optic fibre to be stable inadequately, and waterproof dustproof of junction also can't obtain guaranteeing.

Disclosure of Invention

The utility model aims to solve the technical problem that an optical fiber connector with protecting sheathing is provided, combines together general fiber plug and protecting sheathing, has guaranteed optical fiber connection's stability.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an optical fiber connector with protecting sheathing, includes tail cover and plug housing, the one end of tail cover and the one end axial connection of transition adapter sleeve, the other end of transition adapter sleeve link to each other with an internal lock section of thick bamboo, the outside of an internal lock section of thick bamboo cup jointed axial displacement's plug housing, the inside of an internal lock section of thick bamboo be provided with the optic fibre seat, the inside axial installation of transition adapter sleeve have the double-layered line cover, the one end of optic fibre seat withstand with the one end of double-layered line cover, the other end is provided with optic fibre positioning slot, the lateral wall of an internal lock section of thick bamboo on be provided with a plurality of wedge arch, plug housing's lateral wall on be provided with the through-hole that matches with the wedge arch.

The optical fiber cable enters from the tail sleeve, passes through the cable clamping sleeve, enters the optical fiber seat and is connected with the optical fiber head fixed in the optical fiber positioning slot, and the optical fiber seat and the cable clamping sleeve are propped against and fixed and cannot move, so that the optical fiber head is also stable and immovable.

The plug shell can move axially, and the wedge-shaped protrusion can be pressed into the through hole when the plug shell moves axially, so that the wedge-shaped protrusion cannot be buckled with the corresponding groove on the socket, and the plug can be pulled out of the socket.

In order to prevent water from entering the wire clamping sleeve from the tail sleeve, a sealing sleeve is embedded and mounted at the tail part of the wire clamping sleeve in the axial direction.

In order to facilitate the deformation of the wedge-shaped protrusion, strip through grooves are axially formed in the two sides of the wedge-shaped protrusion on the inner lock cylinder, so that the side wall of the inner lock cylinder between the strip through grooves can deform together with the wedge-shaped protrusion, and the retraction of the wedge-shaped protrusion is realized.

In order to facilitate the installation and the disassembly of the inner lock cylinder, the lower parts of two sides of the side wall of the inner lock cylinder are provided with U-shaped through grooves, the side wall of the inner lock cylinder is provided with a connecting convex buckle plate at the middle part of the U-shaped through groove, the connecting convex buckle plate is buckled with a groove on the inner side wall of the transition connecting sleeve, and the side wall part of the inner lock cylinder enclosed by the U-shaped through grooves can be deformed, so that the connecting convex buckle plate can be buckled with and separated from the groove on the inner side wall of the transition connecting sleeve.

In order to guarantee the accuracy of optical fiber seat installation, the lateral wall both sides of optical fiber seat be provided with the first guide block and the second guide block of width difference respectively, the middle part of second guide block open and to have the intermediate tank, the afterbody inside wall of interior lock section of thick bamboo be provided with first guide block and the corresponding first guide way of second guide block and second guide way, only first guide block and second guide block peg graft with first guide way and second guide way respectively and just can guarantee that the position of optical fiber seat is right, also convenient quick installation like this prevents to adorn the mistake.

In order to protect the optical fiber head, the end part of the plug shell is sleeved with a dustproof sheath, one end of the dustproof sheath is connected with a connecting ring sleeved with the transition connecting sleeve through a connecting strip, and the dustproof sheath is not easy to lose due to the arrangement.

In order to facilitate the installation of the connecting ring, an embedding groove and a sealing embedding groove for the embedding and positioning of the connecting ring are formed in the outer side of the transition connecting sleeve, the sealing embedding groove is used for embedding and installing the sealing ring, an internal thread portion is arranged inside one end of the transition connecting sleeve, the internal thread portion is connected with the tail sleeve, and the connection is firm and stable.

In order to facilitate the installation and fixation of the dustproof sheath and prevent the dustproof sheath from falling off, the inner side of the lower end of the dustproof sheath is buckled with the wedge-shaped bulge, the middle part of the plug shell is sleeved with the auxiliary dustproof sleeve, and the auxiliary dustproof sleeve and the dustproof sheath cover the plug part of the plug shell together, so that the dustproof plug shell has a good dustproof effect.

Preferably, the end face of the auxiliary dustproof sleeve is provided with a circle of dustproof groove, and the dustproof groove is embedded with the edge of the socket when the plug is inserted into the socket, so that the sealing performance between the plug and the socket is improved.

In order to improve the waterproof performance, waterproof sealing rings are arranged between one end of the inner lock cylinder and the transition connecting sleeve and between the plug shell and the transition connecting sleeve, and the plug shell and the transition connecting sleeve can move relatively, so that the waterproof sealing rings are particularly important.

Has the advantages that: the utility model relates to an optical fiber connector with protecting sheathing, the appearance is pleasing to the eye, connects the interface of using and can use in addition the shell equipment back for industry standard MTP/MPO interface, simple structure, and production is simple and easy, and inside does not have the fastener, and compact structure just has push-and-pull auto-lock structure, and the fixed dismantlement of optical fiber head installation is all more convenient, adopts the unique internal lock section of thick bamboo of structure, and it is more convenient to make the unblock of the optical fiber connector that has protecting sheathing, and waterproof dustproof performance is good.

Drawings

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

FIG. 2 is a front view of the structure of the half-section of the present invention;

FIG. 3 is a schematic view of the exploded structure of the present invention;

FIG. 4 is a schematic perspective view of the inner lock cylinder of the present invention;

FIG. 5 is a schematic perspective view of the inner lock cylinder of the present invention;

FIG. 6 is a schematic perspective view of the inner lock cylinder of the present invention;

fig. 7 is a schematic perspective view of the optical fiber holder according to the present invention;

fig. 8 is a schematic perspective view of the optical fiber holder according to the present invention;

fig. 9 is a schematic perspective view of the transition connecting sleeve of the present invention;

FIG. 10 is a schematic view of a half-section structure of the auxiliary anti-dust cover of the present invention;

FIG. 11 is a schematic structural view of the dust-proof sheath according to the present invention in an opened state;

fig. 12 is a schematic structural diagram of the use of the plugging state of the present invention.

The figure is as follows: 1. a plug housing; 2. an inner lock cylinder; 3. an optical fiber holder; 4. an optical fiber head; 5. a transitional connecting sleeve; 6. a wire clamping sleeve; 7. sealing sleeves; 8. a tail sleeve; 9. a dust-proof sheath; 10. a through hole; 11. a connecting ring; 12. a waterproof sealing ring; 13. a connecting strip; 14. an auxiliary dust-proof sleeve; 21. a wedge-shaped protrusion; 22. a strip through groove; 23. connecting the convex buckle plates; 24. a U-shaped through groove; 25. a first guide groove; 26. a second guide groove 31, an intermediate groove; 32. a second guide block; 34. a first guide block; 51. sealing the caulking groove; 52. caulking grooves; 53. an internal threaded portion.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

As shown in fig. 1-12, the utility model discloses an embodiment relates to an optical fiber connector with protecting sheathing, including tail cover 8 and plug housing 1, the one end of tail cover 8 and transition adapter sleeve 5 one end axial connection, transition adapter sleeve 5 the other end link to each other with an interior lock section of thick bamboo 2, the outside of an interior lock section of thick bamboo 2 cup joint axially movable plug housing 1, the inside of an interior lock section of thick bamboo 2 be provided with fiber holder 3, the inside axial of transition adapter sleeve 5 install wire clamping sleeve 6, the one end of fiber holder 3 and the one end of wire clamping sleeve 6 withstand, the other end is provided with optic fibre positioning slot, the lateral wall of an interior lock section of thick bamboo 2 on be provided with a plurality of wedge arch 21, plug housing 1's lateral wall on be provided with the through-hole 10 that matches with wedge arch 21.

During assembly, an optical fiber enters from the tail sleeve 8, passes through the wire clamping sleeve 6, enters the optical fiber seat 3, and is connected with the optical fiber head 4 fixed in the optical fiber positioning slot, and the optical fiber seat 3 and the wire clamping sleeve 6 are propped against and fixed and cannot move, so that the optical fiber head 4 is also stable and immovable.

The plug shell 1 can move axially, and the wedge-shaped protrusion 21 can be pressed into the through hole 10 when the plug shell moves axially, so that the wedge-shaped protrusion 21 cannot be buckled with the corresponding groove on the socket, and the plug can be pulled out of the socket.

In order to prevent water from entering the wire clamping sleeve 6 from the tail sleeve 8, a sealing sleeve 7 is embedded and installed at the tail part of the wire clamping sleeve 6 in the axial direction.

In order to facilitate the deformation of the wedge-shaped protrusions 21, the inner lock cylinder 2 is axially provided with strip through grooves 22 at both sides of the wedge-shaped protrusions 21, so that the side walls of the inner lock cylinder 2 between the strip through grooves 22 can deform together with the wedge-shaped protrusions 21 to realize the retraction of the wedge-shaped protrusions 21.

In order to facilitate the installation and the disassembly of the inner lock cylinder 2, the lower parts of the two sides of the side wall of the inner lock cylinder 2 are provided with U-shaped through grooves 24, the middle part of the U-shaped through groove 24 on the side wall of the inner lock cylinder 2 is provided with a connecting convex buckle plate 23, the connecting convex buckle plate 23 is buckled with a groove on the inner side wall of the transition connecting sleeve 5, the side wall part of the inner lock cylinder 2 enclosed by the U-shaped through grooves 24 can be deformed, so that the connecting convex buckle plate 23 can be buckled with and separated from the groove on the inner side wall of the transition connecting sleeve.

In order to ensure the installation accuracy of the optical fiber holder 3, the two sides of the outer side wall of the optical fiber holder 3 are respectively provided with a first guide block 34 and a second guide block 32 which are different in width, the middle part of the second guide block 32 is provided with a middle groove 31, the inner side wall of the tail part of the inner lock cylinder 2 is provided with a first guide groove 25 and a second guide groove 26 which correspond to the first guide block 34 and the second guide block 32, and the optical fiber holder 3 can be ensured to be aligned only if the first guide block 34 and the second guide block 32 are respectively plugged with the first guide groove 25 and the second guide groove 26, so that the optical fiber holder is convenient and rapid to install, and the installation error is prevented.

In order to protect the optical fiber head, the end part of the plug shell 1 is sleeved with a dustproof sheath 9, one end of the dustproof sheath 9 is connected with a connecting ring 11 sleeved with the transition connecting sleeve 5 through a connecting strip 13, and the dustproof sheath 9 is not easy to lose due to the arrangement.

In order to facilitate the installation of the connecting ring 11, an embedding groove 52 and a sealing embedding groove 51 for the embedding and positioning of the connecting ring 11 are arranged on the outer side of the transition connecting sleeve 5, the sealing embedding groove 51 is used for embedding and installing a sealing ring, an internal thread part 53 is arranged inside one end of the transition connecting sleeve 5, and the internal thread part 53 is connected with the tail sleeve 8, so that the connection is firm and stable.

In order to facilitate the installation and fixation of the dustproof sheath 9 and prevent the dustproof sheath from falling off easily, the inner side of the lower end of the dustproof sheath 9 is buckled with the wedge-shaped protrusion 21, the middle part of the plug shell 1 is sleeved with the auxiliary dustproof sleeve 14, the auxiliary dustproof sleeve 14 and the dustproof sheath 9 cover the plug part of the plug shell 1 together, and the dustproof plug socket has a good dustproof effect.

In addition, as shown in fig. 10, the end face of the auxiliary dust-proof sleeve 14 is provided with a circle of dust-proof grooves 15, and the dust-proof grooves 15 are embedded with the edge of the socket when the plug is inserted into the socket, so that the sealing property between the plug and the socket is improved.

In order to improve the waterproof performance, waterproof sealing rings 12 are respectively arranged between one end of the internal locking cylinder 2 and the transitional connecting sleeve 5 and between the plug shell 1 and the transitional connecting sleeve 5, and the plug shell 1 and the transitional connecting sleeve 5 can move relatively, so that the waterproof sealing rings 12 are particularly important.

It is not difficult to discover, the utility model discloses the appearance is pleasing to the eye, can adapt to the network socket of present mainstream, and inside does not have the fastener, and compact structure just has push-and-pull auto-lock structure, and the fixed dismantlement of optical fiber head installation is all more convenient, adopts the interior lock section of thick bamboo that the structure is unique, and it is more convenient to make the unblock of the fiber connector who has protecting sheathing, and waterproof dustproof performance is good.

Claims

1. An optical fiber connector with a protective shell comprises a tail sleeve (8) and a plug shell (1), it is characterized in that one end of the tail sleeve (8) is axially connected with one end of the transition connecting sleeve (5), the other end of the transition connecting sleeve (5) is connected with the inner lock cylinder (2), the outer side of the inner lock cylinder (2) is sleeved with the plug shell (1) which can move axially, an optical fiber seat (3) is arranged in the inner locking cylinder (2), a wire clamping sleeve (6) is axially arranged in the transition connecting sleeve (5), one end of the optical fiber seat (3) is propped against one end of the wire clamping sleeve (6), the other end is provided with an optical fiber positioning slot, the outer side wall of the inner lock cylinder (2) is provided with a plurality of wedge-shaped bulges (21), the side wall of the plug shell (1) is provided with a through hole (10) matched with the wedge-shaped bulge (21).

2. The fiber optic connector with protective housing of claim 1, wherein: and a sealing sleeve (7) is axially embedded and mounted at the tail part of the wire clamping sleeve (6).

3. The fiber optic connector with protective housing of claim 1, wherein: and strip through grooves (22) are axially formed in both sides of the wedge-shaped protrusion (21) on the inner lock cylinder (2).

4. The optical fiber connector with protective housing of claim 1 or 3, wherein: the lower parts of two sides of the side wall of the inner lock cylinder (2) are provided with U-shaped through grooves (24), the side wall of the inner lock cylinder (2) is provided with a connecting convex buckle plate (23) in the middle of the U-shaped through grooves (24), and the connecting convex buckle plate (23) is buckled with a groove in the inner side wall of the transition connecting sleeve (5).

5. The fiber optic connector with protective housing of claim 4, wherein: the optical fiber connector is characterized in that a first guide block (34) and a second guide block (32) which are different in width are respectively arranged on two sides of the outer side wall of the optical fiber seat (3), a middle groove (31) is formed in the middle of the second guide block (32), and a first guide groove (25) and a second guide groove (26) which correspond to the first guide block (34) and the second guide block (32) are formed in the inner side wall of the tail portion of the inner lock cylinder (2).

6. The fiber optic connector with protective housing of claim 1, wherein: the plug is characterized in that a dustproof sheath (9) is sleeved at the end part of the plug shell (1), and one end of the dustproof sheath (9) is connected with a connecting ring (11) sleeved with the transition connecting sleeve (5) through a connecting strip (13).

7. The fiber optic connector with protective housing of claim 6, wherein: the outside of transition adapter sleeve (5) be provided with caulking groove (52) and sealed caulking groove (51) that supply go-between (11) embedding location, the inside internal thread portion (53) that is provided with of one end of transition adapter sleeve (5), internal thread portion (53) link to each other with tail cover (8).

8. The fiber optic connector with protective housing of claim 6, wherein: the inner side of the lower end of the dustproof sheath (9) is buckled with the wedge-shaped bulge (21), and the middle part of the plug shell (1) is sleeved with the auxiliary dustproof sleeve (14).

9. The fiber optic connector with protective housing of claim 8, wherein: the end face of the auxiliary dustproof sleeve (14) is provided with a circle of dustproof groove (15).

10. The fiber optic connector with protective housing of claim 7, wherein: and waterproof sealing rings (12) are respectively arranged between one end of the inner locking cylinder (2) and the transition connecting sleeve (5) and between the plug shell (1) and the transition connecting sleeve (5).