CN219143145U

CN219143145U - Optical fiber adapter

Info

Publication number: CN219143145U
Application number: CN202320239608.4U
Authority: CN
Inventors: 肖本良; 王七月; 刘晓辉; 中川雅也
Original assignee: Suncall Technologies SZ Co Ltd
Current assignee: Suncall Technologies SZ Co Ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-06-06
Anticipated expiration: 2033-02-17

Abstract

The utility model relates to the technical field of adapters, in particular to an optical fiber adapter, which comprises a first connector, a shielding door and a second connector, wherein a plurality of first jacks are arranged on the first connector at intervals along a first direction; the shielding door is positioned in the first jack and is elastically hinged with the first connector; the second connectors are inserted into the first jacks in a one-to-one correspondence mode, the end faces of one ends, inserted into the first jacks, of the second connectors extend outwards to form abutting columns, the abutting columns are pressed at two ends of the hinge shaft of the shielding door, and the second connectors are provided with the second jacks. According to the optical fiber adapter, the plurality of first jacks are arranged on the first connector and the plurality of second connectors are matched, so that a plurality of pairs of optical fibers can be connected simultaneously, the structure is compact, and the high-density wiring requirement of the optical fibers is met.

Description

Optical fiber adapter

Technical Field

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

Background

The optical fiber adapter can be inserted into optical fiber connectors with different interface types at two ends, and is widely applied to optical fiber distribution frames, optical fiber communication equipment, instruments and the like. In order to prevent the high-intensity infrared light beam from being emitted from the port of the other end of the optical fiber adapter to injure human eyes when the optical fiber connector is inserted into the optical fiber adapter, the port of the optical fiber adapter is mostly covered with a dust cap, and when the optical fiber connector is used, the dust cap needs to be removed and then the optical fiber connector is inserted into the optical fiber connector, so that the operation is complex, and the dust cap is easy to lose.

Therefore, the applicant proposes an optical fiber adapter in the application number 2018215573758, which includes a first adapter body, a shielding door elastically hinged to a lower port of the first adapter body, and a second adapter body with a lower end inserted into a cavity of the first adapter body, wherein the second adapter body can press the shielding door inside the first adapter body, so that the better shielding and dust preventing effects are achieved, and meanwhile, the shielding door is convenient to install and fix.

However, the above-described optical fiber adapter still has the following problems: for the convenience with this fiber optic adapter joint on the installation wall of installation body, be provided with the location boss on the first adapter body, be provided with the location shell fragment on the second adapter body, the setting of location boss and location shell fragment makes fiber optic adapter be difficult to control to pile up fixedly to be difficult to satisfy the horizontal high density wiring demand of fiber optic when in service.

Disclosure of Invention

The utility model aims to provide an optical fiber adapter which can realize stacking wiring of a plurality of optical fibers, has compact layout and simple structure.

To achieve the purpose, the utility model adopts the following technical scheme:

the optical fiber adapter comprises a first connector, a shielding door and a second connector, wherein a plurality of first jacks are arranged on the first connector at intervals along a first direction; the shielding door is positioned in the first jack and is elastically hinged with the first connector, and the shielding door can seal the first jack; the second connectors are inserted into the first jacks in a one-to-one correspondence mode, the end faces of one ends of the second connectors, inserted into the first jacks, extend outwards to form abutting columns, the abutting columns are pressed at two ends of the hinge shaft of the shielding door, and the second connectors are provided with second jacks coaxial with the first jacks.

Preferably, the shielding door comprises a first door body and a second door body which are arranged up and down and are mutually overlapped, the first door body and the second door body are hinged with the first joint through a hinge shaft respectively, and a torsion spring is sleeved on the hinge shaft.

Preferably, the connector further comprises a clamping elastic piece, and the clamping elastic piece is detachably connected to the first connector or the second connector.

Preferably, the clamping elastic sheet is arranged in a U shape and comprises a main body part and two limiting parts, the two limiting parts are respectively positioned on two opposite sides of the main body part, and the first connector or the second connector is provided with a U-shaped groove matched with the clamping elastic sheet.

Preferably, the main body portion is provided with a first clamping portion and a second clamping portion, the first clamping portion and the second clamping portion are all L-shaped, the first clamping portion and the second clamping portion extend from one end connected with the main body portion to a direction away from the first joint, and the bending directions of the free ends of the first clamping portion and the second clamping portion are opposite.

Preferably, the first joint and the second joint are both symmetrically arranged.

Preferably, the two ends of the second connector along the second direction are respectively provided with a clamping arm, the clamping arms arranged at one end of the first connector are inserted into the first jack and exposed out of the shielding door, and the clamping arms arranged at one end of the second connector are positioned inside the second jack.

Preferably, the first connector is laterally provided with a clamping hole, the second connector is provided with a clamping block corresponding to the clamping hole, and the clamping block can be clamped into the clamping hole.

Preferably, the second connector is provided with a plurality of the second insertion holes along the first direction.

Preferably, the first connector and the second connector are both rectangular.

The beneficial effects of the utility model are as follows: according to the optical fiber adapter, the plurality of first jacks are arranged on the first connector, each first jack is matched with one second connector, different optical fiber connectors can be respectively inserted into the first jacks and the second jacks, the arrangement of the plurality of optical fibers along the second direction can be realized without other components, the positions of the optical fibers are kept fixed, compared with the conventional optical fiber adapter, the optical fiber adapter omits components used for connecting adjacent optical fiber adapters, the space utilization is improved, the wiring requirements of different optical fibers can be realized by replacing the first connectors with different numbers of first jacks, and the layout structure is compact.

Drawings

FIG. 1 is a schematic diagram of a fiber optic adapter according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a fiber optic adapter according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a first joint according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a shielding door according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a second joint according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a clip spring according to an embodiment of the present utility model;

fig. 7 is a schematic view of a structure of a plurality of fiber optic adapters stacked in a height direction according to an embodiment of the present utility model.

In the figure, 1, a first joint; 11. a first jack; 12. a receiving groove; 13. a clamping hole; 2. a shielding door; 21. a hinge shaft; 22. a first door body; 23. a second door body; 3. a second joint; 31. a second jack; 32. abutting the column; 33. a clamping arm; 34. a clamping block; 4. a clamping elastic sheet; 41. a main body portion; 42. a limit part; 43. a first clamping part; 44. and the second clamping part.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of operation, and are not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides an optical fiber adapter, which can connect a plurality of pairs of optical fibers at the same time and fix the optical fibers relatively, and is suitable for use environments requiring high-density wiring.

Referring to fig. 1 to 7, the optical fiber adapter in the present embodiment includes a first connector 1, a second connector 3, and a shielding door 2, the first connector 1 and the second connector 3 are each arranged in a rectangular shape, the first connector 1 and the second connector 3 are configured to receive different optical fiber connectors extending in a second direction (X direction), and the shielding door 2 is located inside the first connector 1. Specifically, the first connector 1 is provided with a plurality of first jacks 11 for inserting the optical fiber connectors at intervals along a first direction (Y direction), the shielding door 2 is located inside the first jacks 11 and is elastically hinged with the first connector 1, the shielding door 2 can seal the first jacks 11, the second connector 3 is provided with a plurality of first jacks 11 in a one-to-one correspondence manner along the first direction, one end face of the second connector 3 inserted into the first jacks 11 extends outwards to form abutting columns 32, the abutting columns 32 are pressed at two ends of the hinge shaft 21 of the shielding door 2, and the second connector 3 is provided with a second jack 31 for inserting another optical fiber connector.

Above-mentioned optical fiber adapter sets up a plurality of first jacks 11 on first joint 1, every first jack 11 matches a second joint 3, adjust original "one-to-one mode" into "many-to-one" mode, different optical fiber connectors can insert respectively in first jack 11 and the second jack 31, need not to realize laying along the second direction and keep the fixed position of optic fibre of many optic fibres with the help of other components, compare current conventional optical fiber adapter, save the component that adjacent optical fiber adapter is used for connecting, space utilization is improved, and through changing first joint 1 that contains different quantity first jacks 11, can realize the wiring demand of different quantity optic fibres, layout structure is compact.

Referring to fig. 3 to 5, the shielding door 2 includes a first door body 22 and a second door body 23 which are disposed up and down, the first door body 22 and the second door body 23 are hinged with the first connector 1 through a hinge shaft 21, and a torsion spring is sleeved on the hinge shaft 21 at the same time, so that the first door body 22 and the second door body 23 are reset, and in a non-stressed state, one sides of the first door body 22 and the second door body 23 far away from the hinge shaft 21 are mutually overlapped, so that the first jack 11 is closed, when an optical fiber connector is inserted into the first jack 11, the optical fiber connector overcomes the resistance of the torsion spring to separate the first door body 22 and the second door body 23, and the optical fiber connector is completely inserted into the first jack 11. Correspondingly, the number of the abutting columns 32 is four, and the abutting columns are respectively positioned at four corners of the end face of the second joint 3, namely, two ends of the two hinge shafts 21 are respectively pressed in pairs. Specifically, the two opposite side walls inside the first joint 1 are provided with a receiving groove 12 along the second direction, the end of the hinge shaft 21 of the shielding door 2 is received in the bottom of the receiving groove 12, and the abutment post 32 is inserted into the receiving groove 12 and abuts against the hinge shaft 21.

Generally, the fiber optic adapters need to be mounted on a side wall of a fiber optic box, the side wall having mounting holes formed therein that are capable of receiving a plurality of fiber optic adapters simultaneously. In order to make the optical fiber adapter fixed for the mounting hole, the optical fiber adapter still includes joint shell fragment 4, and joint shell fragment 4 can dismantle and connect in first joint 1 or second joint 3, can be with whole optical fiber adapter joint on the lateral wall of optic fibre box, because of the setting of first joint 1 and second joint 3 rectangle, this optical fiber adapter can also pile up in the direction of height, and specific stacking height is according to the wiring demand of optic fibre or the size setting of mounting hole. It is understood that the clamping spring 4 may be disposed on the top surface of the first connector 1 or the second connector 3, or may be disposed on the side surface of the first connector 1 or the second connector 3.

Referring to fig. 6, the clamping elastic piece 4 is integrally set to be U-shaped, and includes a main body 41 and a limiting portion 42, wherein the limiting portion 42 is located at two opposite sides of the main body 41, a U-shaped groove matched with the clamping elastic piece 4 is formed on the first connector 1 or the second connector 3, the limiting portion 42 can be clamped in the U-shaped groove, the thickness of the clamping elastic piece 4 is smaller than the depth of the U-shaped groove, and the clamping elastic piece 4 is prevented from being separated from the first connector 1 or the second connector 3 without being interfered by external force.

Taking the example that the clamping elastic sheet 4 is arranged on the side surface of the second connector 3, the first clamping part 43 and the second clamping part 44 are arranged at positions where the main body part 41 is opposite to the side surface of the second connector 3, and the first clamping part 43 and the second clamping part 44 can be respectively clamped with the outside and the inside of the side wall of the optical fiber box, so that the optical fiber adapter in the embodiment is clamped on the optical fiber box, and the optical fiber adapter is prevented from moving into the optical fiber box or out of the optical fiber box. Specifically, the clamping elastic sheet 4 is an integrally formed elastic member, wherein the first clamping portion 43 gradually extends from an end connected with the main body portion 41 in a direction away from the second connector 3, the free end of the first clamping portion 43 is bent in a direction close to the second connector 3, that is, the first clamping portion 43 is L-shaped, the second clamping portion 44 is also L-shaped, and gradually extends from an end connected with the main body portion 41 in a direction away from the first connector 1, and the free end of the second clamping portion 44 continues to be bent in a direction away from the first connector 1, that is, the first clamping portion 43 and the second clamping portion 44 are L-shaped, but the bending directions of the free ends of the first clamping portion 43 and the second clamping portion are opposite. When the optical fiber adapter passes through the mounting hole on the side wall, the second clamping portion 44 can smoothly pass through the mounting hole until one end, away from the main body portion 41, of the first clamping portion 43 is abutted against the outer side of the side wall of the optical fiber box, and at the moment, one end, away from the main body portion 41, of the first clamping portion 43 is abutted against the inner side of the side wall of the optical fiber box, so that the optical fiber adapter is effectively prevented from being separated from the optical fiber box. For example, two first clamping portions 43 are provided, and the second clamping portion 44 is located between the two first clamping portions 43, so as to achieve a better clamping effect.

The first connector 1 and the second connector 3 are arranged in bilateral symmetry, namely, the first connector 1 and the second connector 3 can be turned up and down for use, and assembly difficulty is reduced.

Referring to fig. 5, in order to achieve the clamping fixation between the optical fiber connector and the first connector 1 and the second connector 3, two ends of the second connector 3 along the second direction are respectively provided with a clamping arm 33, wherein the clamping arm 33 disposed at one side of the first connector 1 extends outwards from the end surface of the second connector 3 and is inserted into the first jack 11 and is exposed out of the shielding door 2 to be clamped with the connector of the optical fiber connector, and the clamping arm 33 disposed at one end opposite to the first connector 1 is disposed inside the second jack 31, so that the optical fiber connector can be inserted into the second jack 31 to be clamped with the clamping arm 33. Illustratively, opposite sides of the first connector 1 are provided with slots extending in the second direction, and the latch arms 33 facing the first connector 1 can pass through the slots in the second direction to be exposed to the shielding door 2.

In order to prevent the clamping arm 33 from exposing to the shielding door 2 and leaking light from the shielding door 2 due to gaps, a boss is arranged on the inner side of the clamping arm 33, and the end of the shielding door 2 is erected on the boss. Through the cooperation between two airtight shielding doors 2 and the clamping arms 33, the light rays emitted by the first jack 11 inserted into the optical fiber connector can be effectively prevented from damaging eyes when the second jack 31 of the second connector 3 is inserted into the optical fiber connector, so that a good shading effect is achieved.

Referring to fig. 3 and 5, the first connector 1 and the second connector 3 are engaged with each other to ensure the stability of the connection between the first connector 1 and the second connector 3. Specifically, the first connector 1 is laterally provided with a clamping hole 13, the second connector 3 is provided with a clamping block 34 corresponding to the position of the clamping hole 13, and the clamping block 34 can be clamped into the clamping hole 13 to realize the clamping connection between the first connector 1 and the second connector 3. More specifically, the latch 34 is provided with a slope toward one side of the first connector 1 to ensure that the second connector 3 can be inserted into the first connector 1.

To further reduce the volume of the fiber optic adapter, the second connector 3 may be provided with a plurality of second receptacles 31 along the first direction. The second connector 3 in this embodiment is provided with two second insertion holes 31 in the second direction.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A fiber optic adapter, comprising:

a first connector (1), wherein a plurality of first jacks (11) are arranged on the first connector (1) at intervals along a first direction;

the shielding door (2) is positioned in the first jack (11) and is elastically hinged with the first connector (1), and the shielding door (2) can seal the first jack (11);

the second connectors (3) are inserted into the first jacks (11) in a one-to-one correspondence mode, the second connectors (3) are inserted into one end face of the first jacks (11) and extend outwards to form abutting columns (32), the abutting columns (32) are pressed at two ends of the hinge shaft (21) of the shielding door (2), and the second connectors (3) are provided with second jacks (31).

2. The optical fiber adapter according to claim 1, wherein the shielding door (2) comprises a first door body (22) and a second door body (23) which are arranged up and down and are mutually overlapped, the first door body (22) and the second door body (23) are hinged with the first joint (1) through a hinge shaft (21) respectively, and a torsion spring is sleeved on the hinge shaft (21).

3. The fiber optic adapter of claim 1, further comprising a snap dome (4), the snap dome (4) being removably connected to the first connector (1) or the second connector (3).

4. A fiber optic adapter according to claim 3, wherein the snap dome (4) is configured in a U-shape, and comprises a main body portion (41) and two limiting portions (42), the two limiting portions (42) are respectively located at two opposite sides of the main body portion (41), and the first connector (1) or the second connector (3) is provided with a U-shaped groove matched with the snap dome (4).

5. The optical fiber adapter according to claim 4, wherein a first clamping portion (43) and a second clamping portion (44) are arranged on the main body portion (41), the first clamping portion (43) and the second clamping portion (44) are all L-shaped, the first clamping portion (43) and the second clamping portion (44) gradually extend from one end connected with the main body portion (41) to a direction away from the first connector (1), and the free ends of the first clamping portion (43) and the second clamping portion (44) are bent in opposite directions.

6. The fiber optic adapter according to claim 4 or 5, characterized in that the first connector (1) and the second connector (3) are both symmetrically arranged.

7. The optical fiber adapter according to claim 1, wherein both ends of the second connector (3) along the second direction are provided with clamping arms (33), the clamping arms (33) arranged facing one end of the first connector (1) are inserted into the first jack (11) and exposed out of the shielding door (2), and the clamping arms (33) arranged facing one end of the first connector (1) are located inside the second jack (31).

8. The optical fiber adapter according to claim 1, wherein the first connector (1) is laterally provided with a clamping hole (13), and the second connector (3) is provided with a clamping block (34) at a position corresponding to the clamping hole (13), and the clamping block (34) can be clamped into the clamping hole (13).

9. The fiber optic adapter according to claim 1, wherein the second connector (3) is provided with a plurality of the second receptacles (31) along the first direction.

10. The fiber optic adapter according to claim 1, wherein the first connector (1) and the second connector (3) are each arranged in a rectangular shape.