CN211236356U

CN211236356U - Interface assembly of transmitter optical subassembly

Info

Publication number: CN211236356U
Application number: CN201922267178.3U
Authority: CN
Inventors: 樊桂英; 杜治国; 李洋
Original assignee: Wuhan Wanxutong Technology Co ltd
Current assignee: Wuhan Wanxutong Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-11
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to an optical communication equipment technical field just discloses a transmitter optical subassembly, which comprises a joint, first mounting groove has been seted up to the right-hand member that connects, the inside fixedly connected with transmitter optical subassembly of first mounting groove, the mounting hole has been seted up to the left end that connects, the inside fixedly connected with pottery lock pin of mounting hole, it has the left optic fibre that is located pottery lock pin to peg graft in the inside of mounting hole. This optical emission submodule interface module can guarantee that optical fiber connection accomplishes the inside gas tightness of back joint, prevent that the dust from getting into to guarantee optical signal transmission's stability, solved current optical emission submodule interface module and in the welded fastening back of accomplishing with optical emission submodule, joint and the connecting hole of optical fiber connection form airtight cavity, produce atmospheric pressure when optic fibre inserts in the connecting hole, make optic fibre terminal surface position unstable, influence the problem of optical signal transmission's stability.

Description

Interface assembly of transmitter optical subassembly

Technical Field

The utility model relates to an optical communication equipment technical field specifically is a light emission submodule interface module.

Background

The optical communication equipment for transmitting information by using light wave is formed from three portions of signal transmission, signal transmission and signal reception, and is divided into atmosphere laser communication device, optical fiber laser communication device, space laser communication device and waveguide type laser communication device according to the difference of transmission medium, and the laser communication equipment has the advantages of large information capacity, strong interference resistance and confidentiality and light equipment.

In optical communication equipment, the emission of light time module mainly uses in the conversion of light signal and signal of telecommunication, and emission of light time module interface then is used for being connected between emission of light time module and the optic fibre, and current emission of light time module interface package is after accomplishing the welded fastening with emission of light time module, and the joint forms airtight cavity with the connecting hole that the optic fibre is connected, produces atmospheric pressure when optic fibre inserts in the connecting hole, makes optic fibre terminal surface position unstable, influences the stability of optical signal transmission.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a transmitter optical subassembly possesses to connect advantages such as stable and dustproof, has solved current transmitter optical subassembly and has accomplished the welded fastening back with transmitter optical module, connects and form airtight cavity in the connecting hole of fiber connection, produces atmospheric pressure when optic fibre inserts in the connecting hole, makes the fiber end face position unstable, influences the problem of optical signal transmission's stability.

(II) technical scheme

For realize above-mentioned stable and dirt-proof purpose of connecting, the utility model provides a following technical scheme: an interface component of a transmitter optical subassembly comprises a joint, wherein a first mounting groove is formed at the right end of the joint, a transmitter optical subassembly is fixedly connected inside the first mounting groove, a mounting hole is formed at the left end of the joint, a ceramic ferrule is fixedly connected inside the mounting hole, an optical fiber positioned on the left side of the ceramic ferrule is inserted inside the mounting hole, two vent holes communicated with the mounting hole are formed at the left end of the joint, two limit cavities are formed inside the joint, two fixing grooves communicated with the limit cavities are formed at the left end of the joint, connecting plates are slidably connected inside the two fixing grooves, opposite ends of the two connecting plates are fixedly connected with limit blocks positioned inside the limit cavities, four arc-shaped clamping grooves communicated with the fixing grooves are formed inside the joint, the opposite sides of the two connecting plates are fixedly connected with arc-shaped elastic pieces, the left ends of the two connecting plates are fixedly connected with sealing covers located outside the optical fibers, and the left ends of the sealing covers are fixedly connected with annular rubber pads.

Preferably, the size of the first mounting groove is matched with the size of the tosa, and the diameters of the ferrule and the optical fiber are matched with the diameter of the mounting hole.

Preferably, the two ventilation holes are symmetrically distributed on the outer portion of the mounting hole, the two ventilation holes are L-shaped, and the left end of the ceramic ferrule is located at the position of the axis of an opening of the opposite end of the two ventilation holes.

Preferably, the size of fixed slot and the size looks adaptation of connecting plate, the size of stopper and the size looks adaptation in spacing chamber, stopper and spacing chamber sliding connection.

Preferably, the four arc-shaped clamping grooves are divided into two groups, and the two groups of arc-shaped clamping grooves are symmetrically distributed on the back sides of the two connecting plates.

Preferably, two the back of the body end that the arc shell fragment was carried on the back all is provided with quantity and is two arc convex surfaces, arc convex surface and arc draw-in groove are the bar, just the size of arc convex surface and the size looks adaptation of arc draw-in groove, the arc shell fragment is through two arc convex surfaces and arc draw-in groove joint.

Preferably, the left end of the sealing cover is provided with a through hole matched with the optical fiber, and the right end of the annular rubber pad is in contact with the left end of the joint.

(III) advantageous effects

Compared with the prior art, the utility model provides a light emission submodule interface module possesses following beneficial effect:

this interface assembly of transmitter optical subassembly, through setting up the ventilation hole, connecting plate and sealed lid, when connecting optic fibre, earlier run through sealed lid with optic fibre, then insert the mounting hole, gaseous in the mounting hole can be discharged through the ventilation hole, then press up sealed lid, sealed lid promotes arc shell fragment, when arc convex surface on the arc shell fragment moves arc draw-in groove, arc shell fragment card is gone into inside the arc draw-in groove under the effect of elasticity, thereby fixed connection board fixed sealed lid, through setting up annular rubber pad, can press annular rubber pad at the ventilation hole opening part when sealed lid is fixed, can guarantee the inside gas tightness of optical fiber connection completion back joint, prevent that the dust from getting into, thereby guarantee optical signal transmission's stability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the optical fiber connector comprises a connector 1, a first mounting groove 2, a light emission secondary module 3, a mounting hole 4, a ceramic ferrule 5, an optical fiber 6, a vent hole 7, a limiting cavity 8, a fixing groove 9, a connecting plate 10, a limiting block 11, an arc-shaped clamping groove 12, an arc-shaped elastic sheet 13, a sealing cover 14 and an annular rubber gasket 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an tosa interface assembly includes a connector 1, a first mounting groove 2 is formed at a right end of the connector 1, an tosa 3 is fixedly connected inside the first mounting groove 2, a mounting hole 4 is formed at a left end of the connector 1, a ferrule 5 is fixedly connected inside the mounting hole 4, an optical fiber 6 positioned at a left side of the ferrule 5 is inserted inside the mounting hole 4, a size of the first mounting groove 2 is adapted to a size of the tosa 3, diameters of the ferrule 5 and the optical fiber 6 are both adapted to a diameter of the mounting hole 4, two vent holes 7 communicating with the mounting hole 4 are formed at a left end of the connector 1, the two vent holes 7 are symmetrically distributed outside the mounting hole 4, shapes of the two vent holes 7 are L-shaped, and a left end of the ferrule 5 is positioned at an opening axis position of an opposite end of the two vent holes 7, the connector 1 is internally provided with two limiting cavities 8, the left end of the connector 1 is provided with two fixing grooves 9 which are communicated with the limiting cavities 8, the insides of the two fixing grooves 9 are respectively and slidably connected with a connecting plate 10, opposite ends of the two connecting plates 10 are respectively and fixedly connected with limiting blocks 11 which are positioned inside the limiting cavities 8, the sizes of the fixing grooves 9 are matched with the sizes of the connecting plates 10, the sizes of the limiting blocks 11 are matched with the sizes of the limiting cavities 8, the limiting blocks 11 are slidably connected with the limiting cavities 8, the inside of the connector 1 is provided with four arc clamping grooves 12 which are communicated with the fixing grooves 9, the four arc clamping grooves 12 are divided into two groups, two groups of arc clamping grooves 12 are symmetrically distributed on opposite sides of the two connecting plates 10, the opposite sides of the two connecting plates 10 are respectively and fixedly connected with arc elastic sheets 13, and two arc convex surfaces are arranged at, arc convex surface and arc draw-in groove 12 are the bar, and the size of arc convex surface and the size looks adaptation of arc draw-in groove 12, arc shell fragment 13 is through two arc convex surfaces and 12 joints of arc draw-in groove, the left end of two connecting plates 10 all with be located the outside sealed lid 14 fixed connection of optic fibre 6, the left end fixedly connected with annular rubber pad 15 of sealed lid 14, the left end of sealed lid 14 seted up with the through-hole of the 6 looks adaptations of optic fibre, annular rubber pad 15's right-hand member and the left end contact that connects 1.

In summary, the tosa interface assembly, by providing the vent hole 7, the connecting plate 10 and the sealing cover 14, when connecting the optical fiber 6, the optical fiber 6 firstly passes through the sealing cover 14, then is inserted into the mounting hole 4, the gas in the mounting hole 4 is exhausted through the vent hole 7, then the sealing cover 14 is pressed, the sealing cover 14 pushes the arc-shaped elastic sheet 13, when the arc-shaped convex surface on the arc-shaped elastic sheet 13 moves to the arc-shaped slot 12, the arc-shaped elastic sheet 13 is clamped into the arc-shaped slot 12 under the action of elastic force, the connecting plate 10 is fixed to fix the sealing cover 14, by providing the annular rubber pad 15, when the sealing cover 14 is fixed, the annular rubber pad 15 is pressed at the opening of the vent hole 7, so as to ensure the airtightness inside the connector 1 after the optical fiber 6 is connected, prevent dust from entering, thereby ensuring the stability of optical signal transmission, and solving the problem, the connecting hole of the joint 1 connected with the optical fiber 6 forms an airtight cavity, and air pressure is generated when the optical fiber 6 is inserted into the connecting hole, so that the position of the end face of the optical fiber 6 is unstable, and the stability of optical signal transmission is influenced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An tosa interface assembly comprising a joint (1), characterized in that: the right end of the connector (1) is provided with a first mounting groove (2), the inside of the first mounting groove (2) is fixedly connected with a transmitter optical subassembly (3), the left end of the connector (1) is provided with a mounting hole (4), the inside of the mounting hole (4) is fixedly connected with a ceramic ferrule (5), the inside of the mounting hole (4) is inserted with an optical fiber (6) positioned on the left side of the ceramic ferrule (5), the left end of the connector (1) is provided with two vent holes (7) which are communicated with the mounting hole (4), the inside of the connector (1) is provided with two limiting cavities (8), the left end of the connector (1) is provided with two fixing grooves (9) which are communicated with the limiting cavities (8), the inside of the two fixing grooves (9) is slidably connected with connecting plates (10), and opposite ends of the two connecting plates (10) are fixedly connected with limiting blocks (11) positioned inside the limiting cavities (8), arc draw-in grooves (12) that quantity is four and communicate fixed slot (9) are seted up to the inside of joint (1), two equal fixedly connected with arc shell fragment (13) of the back of the body side of connecting plate (10), two the left end of connecting plate (10) all with be located the outside sealed lid (14) fixed connection of optic fibre (6), the left end fixedly connected with annular rubber pad (15) of sealed lid (14).

2. The tosa interface assembly of claim 1, wherein: the size of the first mounting groove (2) is matched with that of the transmitter optical subassembly (3), and the diameters of the ceramic ferrule (5) and the optical fiber (6) are matched with that of the mounting hole (4).

3. The tosa interface assembly of claim 1, wherein: two ventilation hole (7) are the outside of symmetric distribution in mounting hole (4), two the shape of ventilation hole (7) is L shape, just the left end of pottery lock pin (5) is located two the opening axle center position of the relative extreme of ventilation hole (7).

4. The tosa interface assembly of claim 1, wherein: the size of fixed slot (9) and the size looks adaptation of connecting plate (10), the size of stopper (11) and the size looks adaptation of spacing chamber (8), stopper (11) and spacing chamber (8) sliding connection.

5. The tosa interface assembly of claim 1, wherein: the four arc-shaped clamping grooves (12) are divided into two groups, and the two groups of arc-shaped clamping grooves (12) are symmetrically distributed on the opposite sides of the two connecting plates (10).

6. The tosa interface assembly of claim 1, wherein: two the end that backs on the back of the body of arc shell fragment (13) all is provided with the arc convex surface that quantity is two, arc convex surface and arc draw-in groove (12) are the bar, just the size of arc convex surface and the size looks adaptation of arc draw-in groove (12), arc shell fragment (13) are through two arc convex surfaces and arc draw-in groove (12) joint.

7. The tosa interface assembly of claim 1, wherein: the left end of the sealing cover (14) is provided with a through hole matched with the optical fiber (6), and the right end of the annular rubber pad (15) is in contact with the left end of the joint (1).