CN220820301U

CN220820301U - POF male connector

Info

Publication number: CN220820301U
Application number: CN202322575673.7U
Authority: CN
Inventors: 张修峰; 郝欢; 水江涛; 朱亮; 黄永胜
Original assignee: Dongguan Yudianming Automotive Technology Co ltd
Current assignee: Dongguan Yudianming Automotive Technology Co ltd
Priority date: 2023-09-21
Filing date: 2023-09-21
Publication date: 2024-04-19
Anticipated expiration: 2033-09-21

Abstract

The utility model discloses a POF male connector, which comprises an insulator, a plastic core barrel penetrating and installed in the insulator, and an optical fiber wire fixedly penetrating and installed in the plastic core barrel, wherein the front part of the insulator is provided with a butt-inserting convex part, the front end of the plastic core barrel is exposed at the front end face of the butt-inserting convex part, an elastic arm is formed on the insulator, and a buckle body is arranged on the elastic arm; the rear end of the insulator is also provided with a second-stage buckle seat which can slide in a front-back push-pull manner and is used for jacking up the spring arm to realize the support of the spring arm. The utility model locks the POF female connector through the buckle body of the spring arm so as to realize stable connection, and jacks up the spring arm through the secondary buckle seat so as to realize the formation of support to the spring arm, thereby realizing secondary locking to the spring arm, effectively preventing the spring arm from being pressed down, achieving the purpose of locking, ensuring that the POF male connector and the POF female connector form stable connection without unexpected separation, and further ensuring the quality of optical signal transmission.

Description

POF male connector

Technical field:

the utility model relates to the technical field of connectors, in particular to a POF male connector.

The background technology is as follows:

With the continuous development of optical fiber communication technology, the requirements of optical fiber cables and optical fiber connectors for matched application are also increasing.

Plastic optical fiber, english Plastic Optical Fiber. Plastic Optical Fibers (POF) are a type of optical fibers (optical fibers) that have a highly transparent polymer such as Polystyrene (PS), polymethyl methacrylate (PMMA), polycarbonate (PC) as a core material, PMMA, fluoroplastic, etc. as a sheath material. The plastic optical fiber is used as a substitute for quartz optical fiber, and is a data transmission medium with low cost, light weight and convenient installation and use. It is especially suitable for short-distance, medium-small capacity and connector-rich systems (such as access networks). In comparison with the multi-filament optical fiber, the plastic optical fiber is soft, mechanically flexible, dust-resistant, and easy to install and maintain, and it is particularly important that the POF core diameter is usually 0.5mm or more, whereas the multi-filament quartz optical fiber core diameter is 62.5 micrometers or 50 micrometers, and the POF connection alignment is easy by about 10 times, and even if there is a deviation of ±30 micrometers in the connection between the step-type POF having a core diameter of 980 micrometers and the graded-type POF having a core diameter of 500 micrometers, the coupling loss (about 0.03dB increase loss) is not seriously affected, and an inexpensive injection molded connector can be used, thereby significantly reducing the total cost of the system. The plastic optical fiber is mainly widely used in civil fields such as electric power, medical treatment, automobiles and the like.

The utility model of China with the patent number ZL202320232951.6 discloses an optical fiber plug structure which comprises: the optical cable, the surface fixed mounting of optical cable has fixed cover, the surface that the optical cable is close to one end is provided with the installation component, the one end of optical cable is provided with the plug body, and this plug body is used for inserting in the slot of fiber receptacle to form optical signal transmission. However, the plug body is not provided with a locking structure, so that stable connection cannot be realized after the plug body is inserted with the optical fiber socket, the phenomenon of relative separation caused by external influence is easy to occur, and stable optical signal transmission cannot be realized.

In view of this, the present inventors have proposed the following means.

The utility model comprises the following steps:

the utility model aims to overcome the defects of the prior art and provides a POF male connector.

In order to solve the technical problems, the utility model adopts the following technical scheme: the POF male connector comprises an insulator, a plastic core barrel penetrating and installed in the insulator, and an optical fiber wire fixedly penetrating and installed in the plastic core barrel, wherein the front part of the insulator is provided with a butt-inserting convex part, the front end of the plastic core barrel is exposed at the front end face of the butt-inserting convex part, an elastic arm is formed on the insulator, and a buckle body is arranged on the elastic arm; the rear end of the insulator is also provided with a second-stage buckle seat which can slide in a front-back push-pull manner and is used for jacking up the spring arm to realize the support of the spring arm.

In the technical scheme, a secondary buckle is formed at the front end of the secondary buckle seat, and an inclined plane is formed on the top surface of the front end of the secondary buckle; the secondary buckle is arranged in the guide groove of the lower end surface of the spring arm, when the secondary buckle seat is pushed forwards, the inclined surface of the secondary buckle contacts with the lower end surface of the spring arm, and the spring arm is jacked upwards to form a support for the spring arm.

In the above technical scheme, a groove is formed between the front end of the plastic core barrel and the front end face of the opposite-insertion convex part.

Furthermore, in the above technical scheme, the insulator rear end is provided with the sliding tray, and this sliding tray both sides inner wall all is provided with the rail groove, second grade is detained the seat both sides and is provided with the protruding rail with rail groove adaptation, and this second grade is detained the seat and is installed in the sliding tray with slidable mode, wherein, this protruding rail inlays in the rail groove, and the antiskid pushing part on this second grade is detained the seat and is exposed outside the insulator up end.

Furthermore, in the above technical solution, a travel groove is further provided on both sides of the bottom surface of the sliding groove; the two sides of the lower end of the secondary buckle seat are also provided with inclined plane sliding blocks which are matched with the travel grooves, and the inclined plane sliding blocks are arranged in the travel grooves.

In the technical scheme, an annular groove and a rotation stopping groove which is positioned beside and communicated with the annular groove are formed in the outer side face of the front end of the opposite insertion convex part; the sealing ring is sleeved in the annular groove, the anti-rotation convex part at the outer side of the sealing ring is embedded into the anti-rotation groove, and the front ends of the pair of inserting convex parts are in sealing contact with the bottoms of the pair of inserting grooves through the sealing ring.

In the technical scheme, the rear end of the plastic core barrel is provided with the O-shaped ring and the positioning ring groove positioned at the rear end of the O-shaped ring, and the plastic core barrel is assembled with the insulator in a sealing way through the O-shaped ring; the insulator is provided with a core hole penetrating through the front end face along the rear end face of the insulator, the lower end face of the insulator is also provided with a semi-square fastening groove penetrating through the core hole, a limiting seat is fixedly fastened in the fastening groove of the lower end face of the insulator, and a limiting convex part formed in the limiting seat is embedded into the positioning ring groove to prevent the plastic core barrel from retreating.

Furthermore, in the above technical scheme, elastic buckling bodies are formed on two sides of the limiting seat, buckling groove bodies are formed on two sides of the buckling groove, and the elastic buckling bodies are buckled and fixed with the buckling groove bodies.

Furthermore, in the above technical scheme, the spring arm is J-shaped, and the arc end of this spring arm is connected with the insulator is integrative, and this arc end still is provided with and extends its length direction distribution and be used for reinforcing elastic deformation ability's bar hole.

By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: when the POF optical fiber connector is used, the POF male connector and the POF female connector are inserted in pairs, the elastic arms and the inserting convex parts of the POF male connector are inserted into the slots of the POF female connector, the buckling body is buckled and fixed with the buckling holes of the POF female connector, so that the POF male connector and the POF female connector are stably connected, and the plastic core barrel corresponds to the plastic optical fiber lens in the POF female connector, so that the transmission of optical signals is realized. In addition, the secondary buckling seat additionally arranged on the insulator can slide in a front-back pushing manner and is used for jacking up the elastic arm to support the elastic arm, so that the elastic arm is locked secondarily, the elastic arm can be effectively prevented from being pressed down, the purpose of locking is achieved, the phenomenon that the buckling body of the elastic arm is separated from the buckling hole of the POF female seat connector to unlock accidentally can be avoided, the POF male connector and the POF female seat connector form stable connection, accidental separation is avoided, and the quality of optical signal transmission can be further ensured.

Description of the drawings:

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of another view of the present utility model;

FIG. 3 is an exploded perspective view of the present utility model;

FIG. 4 is a cross-sectional view of the present utility model;

FIG. 5 is a perspective view of the present utility model with the limit seat removed;

FIG. 6 is a perspective view of a secondary buckle seat according to the present utility model;

Fig. 7 is a perspective view of the present utility model mated with a POF female connector;

Fig. 8 is a perspective view of a POF female connector mating with the present utility model.

The specific embodiment is as follows:

the utility model will be further described with reference to specific examples and figures.

Referring to fig. 1-7, a POF male connector 200 is shown, where the POF male connector 200 includes an insulator 5, two plastic core barrels 6 penetrating through the insulator 5, and an optical fiber wire 7 penetrating through the plastic core barrels 6.

The front part of the insulator 5 is provided with a pair of inserting convex parts 51, the front end of the plastic core barrel 6 is exposed at the front end surfaces of the pair of inserting convex parts 51, the insulator 5 is provided with a spring arm 52 in a molding way, and the spring arm 52 is provided with a buckle body 521; the rear end of the insulator 5 is also provided with a secondary buckle seat 8 which can slide in a front-back push-pull manner and is used for jacking up the spring arm 52 so as to realize the support of the spring arm 52. When the POF male connector 200 and the POF female connector 100 are inserted in a butt-joint manner, the spring arm 52 and the butt-joint convex part 51 of the POF male connector 200 are inserted into the slot 12 of the POF female connector 100, the buckling body 521 is buckled and fixed with the buckling hole 120 of the POF female connector 100, so that the POF male connector 200 and the POF female connector 100 are stably connected, and the plastic core barrel 6 corresponds to the plastic optical fiber lens in the POF female connector 100, thereby realizing the transmission of optical signals. In addition, the secondary buckling seat 8 additionally arranged on the insulator 5 can slide in a pushing and pulling manner and is used for jacking up the elastic arm 52 to realize the support of the elastic arm 52, so that the elastic arm 52 is locked secondarily, the elastic arm 52 can be effectively prevented from being pressed down, the purpose of locking is achieved, namely, the phenomenon that the buckling body 521 of the elastic arm 52 is separated from the buckling hole 120 of the POF female seat connector 100 to cause unexpected unlocking can be avoided, the POF male connector 200 and the POF female seat connector 100 form stable connection, the accidental separation is avoided, and the quality of optical signal transmission can be further ensured.

Specifically, the front end of the secondary buckle seat 8 is provided with a secondary buckle 81, the top surface of the front end of the secondary buckle 81 is provided with an inclined surface 811, and the inclined surface 811 plays a role in guiding; the secondary buckle 81 is arranged in the guide groove 522 on the lower end surface of the spring arm 52, when the secondary buckle seat 8 is pushed forward, the inclined surface 811 of the secondary buckle 81 contacts with the lower end surface of the spring arm 52, and the spring arm 52 is jacked up to support the spring arm 52, so that the spring arm 52 is locked for the second time, the spring arm 52 can be effectively prevented from being pressed down, the purpose of locking is achieved, namely, the phenomenon that the buckle body 521 of the spring arm 52 is separated from the buckling hole 120 of the POF female seat connector 100 to cause unexpected unlocking can be avoided, the POF male connector 200 and the POF female seat connector 100 form stable connection, the accidental separation is avoided, and the quality of optical signal transmission of the utility model can be further ensured.

A groove 60 is formed between the front end of the plastic core barrel 6 and the front end face of the opposite insertion convex part 51, which prevents the fiber core 71 in the plastic core barrel 6 from being exposed and damaged, and plays a good role in protection.

The insulator 5 rear end is provided with the sliding tray 53 of intercommunication guide slot 522, and this sliding tray 53 both sides inner wall all is provided with rail groove 531, the second grade is detained the seat 8 both sides and is provided with the protruding rail 82 with rail groove 531 adaptation, and this second grade is detained seat 8 and is installed in sliding tray 53 with slidable mode, wherein, this protruding rail 82 imbeds in rail groove 531 to can realize stable sliding motion, the anti-skidding pushing part 85 on this second grade is detained seat 8 exposes outside insulator 5 up end, so that the operation presses this anti-skidding pushing part 85, in order to realize this second grade and detain seat 8 and the unblock of arm 52, the operation is got up more conveniently.

Travel grooves 532 are also formed on two sides of the bottom surface of the sliding groove 53; the two sides of the lower end of the secondary buckling seat 8 are also provided with inclined surface sliding blocks 83 which are matched with the travel grooves 532, the inclined surface sliding blocks 83 are arranged in the travel grooves 532, so that the inclined surface sliding blocks 83 can only slide in the travel grooves 532, the forward and backward sliding travel of the secondary buckling seat 8 is limited, the stopping effect is achieved, the secondary buckling seat 8 can be prevented from accidentally falling out of the sliding grooves 53, and the quality of products is ensured.

An annular groove 511 and a rotation stopping groove 512 which is positioned beside and communicated with the annular groove 511 are arranged on the outer side surface of the front end of the opposite insertion convex part 51; the sealing ring 54 is sleeved in the annular groove 511, and the rotation stopping convex portion 541 at the outer side of the sealing ring 54 is embedded in the rotation stopping groove 512, so that the sealing ring 54 is prevented from rotating, the stability of an assembly structure is ensured, and a better sealing effect can be achieved. The front ends of the pair of inserting convex parts 51 are in sealing contact with the bottoms of the pair of inserting grooves 12 through the sealing rings 54, so that an effective waterproof effect is achieved.

The rear end of the plastic core barrel 6 is provided with an O-shaped ring 61 and a positioning ring groove 63 positioned at the rear end of the O-shaped ring 61, and the plastic core barrel is assembled with the insulator 5 in a sealing way through the O-shaped ring 61, so that the waterproof effect is realized; the insulator 5 is provided with a core hole 55 penetrating through the front end face along the rear end face of the insulator, the lower end face of the insulator 5 is also provided with a semi-square fastening groove 56 penetrating through the core hole 55, a limiting seat 58 is also fastened and fixed in the fastening groove 56 of the lower end face of the insulator 5, a limiting convex part 581 formed in the limiting seat 58 is embedded into the positioning ring groove 63 to prevent the plastic core barrel 6 from retreating, the plastic core barrel 6 is further positioned in the insulator 5 stably, the plastic core barrel 6 can be protected better, and the plastic core barrel 6 is prevented from being damaged accidentally.

The optical fiber wire 7 is further sleeved with a sealing ring 72, and the sealing ring 72 is further embedded into the core hole 55 and forms sealing contact.

Elastic buckling bodies 582 are formed on two sides of the limiting seat 58, buckling groove bodies 561 are formed on two sides of the buckling groove 56, and the elastic buckling bodies 582 are buckled and fixed with the buckling groove bodies 561, so that stability of an assembly structure is guaranteed.

The spring arm 52 is J-shaped, the arc-shaped end 523 of the spring arm 52 is integrally connected with the insulator 5, and the arc-shaped end 523 is further provided with strip-shaped holes 524 distributed along the length direction thereof for enhancing the elastic deformation capability thereof.

In summary, in the present utility model, when in use, the POF male connector 200 and the POF female connector 100 are inserted, the spring arm 52 and the insertion protrusion 51 of the POF male connector 200 are inserted into the slot 12 of the POF female connector 100, and the fastening body 521 is fastened and fixed with the fastening hole 120 of the POF female connector 100, so that the POF male connector 200 and the POF female connector 100 form a stable connection, and the plastic core barrel 6 corresponds to the plastic optical fiber lens in the POF female connector 100, so as to realize optical signal transmission. In addition, a secondary buckle 81 is formed at the front end of the secondary buckle seat 8, and an inclined plane 811 is formed on the top surface of the front end of the secondary buckle 81; the secondary buckle 81 is arranged in the guide groove 522 on the lower end surface of the spring arm 52, when the secondary buckle seat 8 is pushed forward, the inclined surface 811 of the secondary buckle 81 contacts with the lower end surface of the spring arm 52, and the spring arm 52 is jacked up to support the spring arm 52, so that the spring arm 52 is locked for the second time, the spring arm 52 can be effectively prevented from being pressed down, the purpose of locking is achieved, namely, the phenomenon that the buckle body 521 of the spring arm 52 is separated from the buckling hole 120 of the POF female seat connector 100 to cause unexpected unlocking can be avoided, the POF male connector 200 and the POF female seat connector 100 form stable connection, the accidental separation is avoided, and the quality of optical signal transmission of the utility model can be further ensured.

It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.

Claims

1. A POF male connector characterized by: the POF male connector (200) comprises an insulator (5), a plastic core barrel (6) penetrating and installed in the insulator (5) and an optical fiber wire (7) fixedly penetrating and installed in the plastic core barrel (6), wherein the front part of the insulator (5) is provided with a butt-inserting convex part (51), the front end of the plastic core barrel (6) is exposed at the front end face of the butt-inserting convex part (51), an elastic arm (52) is formed on the insulator (5), and a buckle body (521) is arranged on the elastic arm (52); the rear end of the insulator (5) is also provided with a secondary buckle seat (8) which can be pushed, pulled and slid back and forth and is used for jacking up the spring arm (52) so as to realize the formation of support for the spring arm (52).

2. The POF male connector according to claim 1, wherein: the front end of the secondary buckle seat (8) is provided with a secondary buckle (81), and the top surface of the front end of the secondary buckle (81) is provided with an inclined surface (811); the secondary buckle (81) is arranged in a guide groove (522) on the lower end surface of the spring arm (52), when the secondary buckle seat (8) is pushed forward, an inclined surface (811) of the secondary buckle (81) is contacted with the lower end surface of the spring arm (52), and the spring arm (52) is jacked upwards to form a support for the spring arm (52).

3. The POF male connector according to claim 2, wherein: a groove body (60) is formed between the front end of the plastic core barrel (6) and the front end face of the opposite insertion convex part (51).

4. The POF male connector according to claim 2, wherein: the insulator (5) rear end is provided with sliding tray (53), and this sliding tray (53) both sides inner wall all is provided with rail groove (531), second grade knot seat (8) both sides are provided with protruding rail (82) with rail groove (531) adaptation, and this second grade knot seat (8) are installed in sliding tray (53) with slidable mode, wherein, in this protruding rail (82) embedding rail groove (531), anti-skidding promotion portion (85) on this second grade knot seat (8) reveal outside insulator (5) up end.

5. The POF male connector according to claim 4, wherein: travel grooves (532) are also formed in the two sides of the bottom surface of the sliding groove (53); the two sides of the lower end of the secondary buckle seat (8) are also provided with inclined slide blocks (83) which are matched with the travel groove (532), and the inclined slide blocks (83) are arranged in the travel groove (532).

6. The POF male connector according to any one of claims 1-5, wherein: an annular groove (511) and a rotation stopping groove (512) which is positioned beside and communicated with the annular groove (511) are formed in the outer side surface of the front end of the opposite insertion convex part (51); the sealing ring (54) is sleeved in the annular groove (511), the rotation stopping convex part (541) at the outer side of the sealing ring (54) is embedded into the rotation stopping groove (512), and the front end of the opposite inserting convex part (51) is in sealing contact with the bottom of the opposite inserting groove (12) of the POF female connector through the sealing ring (54).

7. The POF male connector according to any one of claims 1-5, wherein: the rear end of the plastic core barrel (6) is provided with an O-shaped ring (61) and a positioning ring groove (63) positioned at the rear end of the O-shaped ring (61), and the plastic core barrel is assembled with the insulator (5) in a sealing way through the O-shaped ring (61); the insulator (5) is provided with a core hole (55) penetrating through the front end face along the rear end face of the insulator, the lower end face of the insulator (5) is also provided with a buckling groove (56) penetrating through the core hole (55) and being in a half square frame shape, a limit seat (58) is also buckled and fixed in the buckling groove (56) of the lower end face of the insulator (5), and a limit convex part (581) formed in the limit seat (58) is embedded into the positioning ring groove (63) to prevent the plastic core barrel (6) from retreating.

8. The POF male connector according to claim 7, wherein: elastic buckling bodies (582) are formed on two sides of the limiting seat (58), buckling groove bodies (561) are formed on two sides of the buckling groove (56), and the elastic buckling bodies (582) are buckled and fixed with the buckling groove bodies (561).

9. The POF male connector according to any one of claims 1-5, wherein: the elastic arm (52) is J-shaped, an arc-shaped end (523) of the elastic arm (52) is integrally connected with the insulator (5), and the arc-shaped end (523) is further provided with strip-shaped holes (524) which are distributed along the length direction of the arc-shaped end and are used for enhancing elastic deformation capacity.