CN218866157U

CN218866157U - Optical fiber ferrule

Info

Publication number: CN218866157U
Application number: CN202222441287.4U
Authority: CN
Inventors: 刘磊; 于百达
Original assignee: Dongguan Kaihang Technology Co ltd
Current assignee: Dongguan Kaihang Technology Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-04-14
Anticipated expiration: 2032-09-15

Abstract

The utility model discloses an optic fibre lock pin, including the lock pin main part, the one end of lock pin main part is equipped with the opening, the other end of lock pin main part be equipped with the optical fiber hole of opening intercommunication, the quantity in optical fiber hole does, just the optical fiber hole is in equidistance range on the coplanar, is located four of center department the inside blocking mechanism that is equipped with of optical fiber hole, the utility model discloses a be provided with the lock pin main part, the one end of lock pin main part is provided with the opening, is provided with the optical fiber hole that is used for fixed optic fibre at the lock pin other end, sets up blocking mechanism and blocks the optical fiber hole at the optical fiber downthehole portion, only exposes the passageway that needs to use to when the installation, optic fibre can not misplug impracticable optical fiber hole's inside, raises the efficiency and yields.

Description

Optical fiber ferrule

Technical Field

The utility model relates to an optical communication technical field specifically is an optic fibre lock pin.

Background

Optical fiber is a short term for optical fiber, which is a fiber made of glass or plastic and can be used as a light transmission means. The transmission principle is "total reflection of light".

Use the MT connector to connect during fiber connection, the standard lock pin is 12 passageways, is equipped with 12 connecting holes on inserting the core, and only need use 8 passageways in 12 passageways in some scenes, and all the other four passageways need not to use, however, 8 optic fibres are when being connected with standard lock pin, and during optic fibre can the mistake penetrate all the other four passageways, reduced efficiency, for this reason, provide an optic fibre lock pin.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optic fibre lock pin to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: an optical fiber ferrule comprises a ferrule main body, wherein one end of the ferrule main body is provided with an opening, and the other end of the ferrule main body is provided with an optical fiber hole communicated with the opening;

the number of the optical fiber holes is equal, the optical fiber holes are arranged on the same plane at equal intervals, and the four optical fiber holes in the center are internally provided with blocking mechanisms.

According to the technical scheme, the blocking mechanism comprises a movable cavity arranged inside the main body, the movable cavity blocks four optical fiber holes in the center, the inner surface of the movable cavity is provided with a movable block in a sliding mode, when the movable block is in a first state, the optical fiber holes blocked by through holes in the end face of the movable block are communicated, when the movable block is in a second state, the through holes are staggered with the optical fiber holes, and the optical fiber holes are blocked by the movable block.

According to the technical scheme, the side wall of the movable block is provided with a sliding groove, the extending direction of the sliding groove and the sliding direction of the movable block are arranged in the same direction, and the inner surface of the movable cavity corresponds to the sliding groove and is fixedly connected with a sliding block matched with the sliding groove.

According to the technical scheme, the outer surface of the main body is provided with the rotating button, the outer surface of the main body is provided with the groove for accommodating the rotating button, the surface fixed of the rotating button is connected with the screw rod, and the outer surface fixed of the movable block is connected with the movable rod in threaded connection with the screw rod.

According to the technical scheme, the movable rod comprises a movable rod main body, the movable rod main body is fixedly connected with the movable block, the movable ring is movably connected inside the movable rod, an elastic piece is arranged between the movable ring and the movable rod, the screw rod penetrates through the movable ring, and the screw rod is in threaded connection with the movable ring.

The utility model also provides an optic fibre lock pin, wherein, among 12 optic fibre holes, four optic fibre holes that are located center department are the non-through hole to optic fibre can't be inserted.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses, through being provided with the lock pin main part, the one end of lock pin main part is provided with the opening, is provided with the optical fiber hole that is used for fixed optic fibre at the lock pin other end, sets up blocking mechanism at the downthehole portion of optical fiber and blocks the optical fiber hole, only exposes the passageway that will need use to when the installation, optic fibre can not the mistake insert the inside in unpractical optical fiber hole, raises the efficiency and yields.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is another schematic view of the present invention;

fig. 3 is a schematic top view of the cross-sectional structure of the present invention;

fig. 4 is a schematic front sectional view in a first state of the present invention;

fig. 5 is a schematic view of the front sectional structure in the second state of the present invention;

fig. 6 is a schematic structural view of the blocking mechanism of the present invention.

In the figure: 1-ferrule main body, 2-opening, 3-optical fiber hole, 4-movable cavity, 5-movable block, 6-through hole, 7-chute, 8-slide block, 9-rotating button, 10-screw, 11-movable rod main body and 12-movable ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an optical fiber ferrule comprises a ferrule body 1, as shown in fig. 1 and fig. 2, the ferrule body 1 is a ferrule with the existing standard specification, one end of the ferrule body 1 is provided with an opening 2, and the other end of the ferrule body 1 is provided with an optical fiber hole 3 communicated with the opening 2;

the number of the optical fiber holes 3 is 12, 12 optical fiber holes 3 are inserted with standard specifications, the optical fiber holes 3 are arranged on the same plane at equal intervals, the connection with optical fibers is convenient, blocking mechanisms are arranged inside the four optical fiber holes 3 in the center and are adjustable, the 12 optical fiber holes 3 are in a communicated state in a normal state, the optical fiber inserted core can be normally used, and the four unused optical fiber holes 3 are blocked by adjusting the blocking mechanisms, so that the optical fibers are prevented from being inserted into the unused optical fiber holes 3, and the assembly efficiency is improved;

specifically, the blocking mechanism includes a movable cavity 4 disposed inside the main body 1, as shown in fig. 3, the movable cavity 4 blocks four optical fiber holes 3 at the center, the section of the movable cavity 4 is rectangular, a movable block 5 is slidably disposed on the inner surface of the movable cavity 4, wherein the outer surface of the movable block 5 is uniformly attached to the inner surface of the movable cavity 4, so as to ensure that the movable block 5 can smoothly slide inside the movable cavity 4, when the movable block 5 is in a first state, that is, when the movable block 5 is located at the inner lower end of the movable cavity 4, as shown in fig. 3, through holes 6 on the end surface of the movable block 5 communicate with the blocked optical fiber holes 3, four through holes 6 on the end surface of the movable block 5 are opposite to the optical fiber holes 3, when the movable block 5 is in a second state, as shown in fig. 4, when the movable block 5 is located at the inner upper end of the movable cavity 4, the through holes 6 are staggered with the optical fiber holes 3, and the movable block 5 blocks the optical fiber holes 3, that the side wall of the movable block 5 is opposite to the optical fiber holes 3, so that the optical fiber holes can be blocked by the optical fiber holes 3, the light rays inserted into which need to be blocked, the optical fiber insertion core 3, the optical fiber insertion holes are prevented from leaking into the outer surface of the movable block 3, and the outer surface of the movable block 5 is enough to prevent the optical fiber holes 2, which is inserted into the optical fiber holes 2, and the optical fiber holes 2, which is far away from the optical fiber holes 3, and the outer surface of the movable block 3, and the main body 1;

specifically, the side wall of the movable block 5 is provided with a sliding groove 7, as shown in fig. 6, the extending direction of the sliding groove 7 and the sliding direction of the movable block 5 are arranged in the same direction, the inner surface of the movable cavity 4 corresponds to the sliding groove 7, a sliding block 8 matched with the sliding groove 7 is fixedly connected to the sliding surface of the movable cavity 4, when the movable block 5 slides in the movable cavity 4, the sliding block 8 can slide relative to the sliding groove 7, the number of the sliding grooves 7 is four, the number of each sliding groove 7 is two, and the two sliding grooves 7 are located at two ends of the movable block 5, so that when the movable block 5 slides in the movable cavity 4, the movable block 5 is prevented from being shifted in the movable cavity 4 to affect the blocking effect;

specifically, the outer surface of the main body 1 is provided with a rotating button 9, as shown in fig. 1, the rotating button 9 is a circular plate, the outer surface of the main body 1 is provided with a groove for accommodating the rotating button 9, the groove is also circular, the rotating button 9 is located inside the groove, for the rotation of the rotating button 9, the outer surface of the rotating button 9 is provided with a strip-shaped groove, the surface of the rotating button 9 is fixedly connected with a screw rod 10, the screw rod 10 and the rotating button 9 are coaxially arranged, the outer surface of the movable block 5 is fixedly connected with a movable rod in threaded connection with the screw rod 10, so that by rotating the rotating button 9, the rotating button 9 drives the screw rod 10 to synchronously rotate, and the movable block 5 is driven to slide inside the movable cavity 4 under the effect of thread fit, thereby adjusting the position of the movable block 5;

specifically, the movable rod comprises a movable rod main body 11, the movable rod main body 11 is cylindrical, the movable rod main body 11 and a screw rod 10 are coaxially arranged, the screw rod 10 is located inside the movable rod main body 11, the movable rod main body 11 is fixedly connected with the movable block 5, a movable ring 12 is movably connected inside the movable rod 11, an annular groove is formed in the inner circumferential surface of the movable rod 11, the annular groove and the movable rod 11 are coaxially arranged, the movable ring 12 is arranged inside the annular groove in a sliding mode, the outer surface of the movable ring 12 is uniformly attached to the inner surface of the annular groove, it is guaranteed that the movable ring 12 can slide up and down inside the annular groove, an elastic part is arranged between the movable ring 12 and the movable rod 11, the elastic part is a spring, the spring is located at the lower end of the movable ring 12, the movable ring 12 tends to move upwards under the action of the spring, the screw rod 10 penetrates through the movable ring 12, the screw rod 10 is in threaded connection with the movable ring 12, so that the movable ring 12 can be controlled to slide relative to the annular groove by the rotation of the screw rod 10, when the movable block 5 moves to the bottom of the movable block 4, the movable block 5 can smoothly pass through the optical fiber hole 3, and the optical fiber can be guaranteed that the optical fiber block 5 can smoothly pass through the optical fiber;

the utility model discloses during the use, under the normality, 12 optical fiber holes 3 are the connected state, but the optic fibre lock pin normal use, stop four optical fiber holes 3 that will not use through adjusting stop mechanism, thereby avoided optic fibre to insert by the optical fiber hole 3 that does not use, increase the packaging efficiency, through rotatory knob 9 that rotates, it drives screw rod 10 synchronous revolution to rotate knob 9, it slides at the inside of activity cavity 4 to drive movable block 5 under screw-thread fit's effect, thereby adjust the position of movable block 5.

Furthermore, the utility model provides a fiber ferrule, wherein, to 12 fiber holes 3, be located four fiber holes 3 of center department not through hole, but just offered the hole that the distance is very short on the surface to the vision seems "hole", and in fact, the inside of these four fiber holes 3 is solid, thereby even if the user inserted the optic fibre to these four fiber holes 3 that are located the center department by mistake, also can't really insert optic fibre wherein, more unable pass through or insert these four fiber holes 3 of whole fiber ferrule.

It should be noted that, in this document, relational terms such as first and second, and the like are 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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An optical fiber ferrule, comprising a ferrule body (1), characterized in that: the one end of lock pin main part (1) is equipped with opening (2), the other end of lock pin main part (1) be equipped with optical fiber hole (3) of opening (2) intercommunication, wherein:

the number of the optical fiber holes (3) is 12, the optical fiber holes (3) are arranged on the same plane at equal intervals, and blocking mechanisms are arranged in the four optical fiber holes (3) in the center.

2. A fiber optic ferrule according to claim 1, wherein: stop mechanism is including setting up inside movable cavity (4) of main part (1), four optical fiber holes (3) of center department are blocked in movable cavity (4), the internal surface slip of movable cavity (4) is equipped with movable block (5), when movable block (5) are in the first state, optical fiber hole (3) intercommunication that through-hole (6) on movable block (5) terminal surface will block, when movable block (5) are in the second state, through-hole (6) with optical fiber hole (3) are crisscross, just movable block (5) will optical fiber hole (3) are blockked.

3. A fiber optic ferrule according to claim 2, wherein: the lateral wall of movable block (5) is equipped with spout (7), the extending direction of spout (7) with movable block (5) slip direction syntropy sets up, the internal surface of activity cavity (4) corresponds spout (7) department fixedly connected with spout (7) matched with slider (8).

4. A fiber optic ferrule according to claim 3, wherein: the surface of main part (1) is equipped with rotates button (9), the surface of main part (1) is equipped with the recess that is used for holding rotation button (9), the fixed surface who rotates button (9) is connected with screw rod (10), the fixed surface of movable block (5) be connected with the movable rod of screw rod (10) looks spiro union.

5. The fiber optic ferrule of claim 4, wherein: the movable rod includes movable rod main part (11), movable rod main part (11) with movable block (5) fixed connection, the inside swing joint of movable rod (11) has activity ring (12), activity ring (12) with be equipped with the elastic component between movable rod (11), screw rod (10) are passed activity ring (12), just screw rod (10) with activity ring (12) spiro union.

6. The fiber optic ferrule of claim 1, wherein: for the 12 fiber holes (3), the four fiber holes (3) located at the center are non-penetrating holes so that optical fibers cannot be inserted.