CN218471004U

CN218471004U - Optical fiber connector and fixing terminal used by same

Info

Publication number: CN218471004U
Application number: CN202222834395.8U
Authority: CN
Inventors: 胡程; 蔡上升
Original assignee: Dongguan Yuqiu Electronics Co ltd
Current assignee: Dongguan Yuqiu Electronics Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-02-10
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses an optical fiber connector and fixed terminal that uses thereof, this optical fiber connector includes: an insulating base having a docking port; the side edge of the insulating base is provided with an insertion groove which penetrates through the butt joint; a positioning groove is formed in the side edge of the insulating seat; the optical element is inserted into the insertion groove and is arranged in the butt joint port; the front end of the fixed terminal is provided with a positioning insertion piece which is inserted in the positioning groove, and a welding leg of the fixed terminal extends out of the insulating seat; the front end of the fixed terminal is bent outwards to form a flanging, and the flanging is inserted into and clamped in the inserting groove and is positioned in the inserting groove and is contacted with the optical element, so that the strength of an assembly structure of the fixed terminal and the insulating seat can be enhanced, meanwhile, the welding strength of the whole optical fiber connector and a PCB (printed circuit board) is enhanced, and the optical fiber connector is prevented from being damaged due to continuous plugging and unplugging of an optical fiber plug; because the turn-ups still contacts with optical element to this carries on spacingly to optical element, thereby prevent that optical element from deviating from by accident, guarantee assembly structure's stability, improve product life.

Description

Optical fiber connector and fixing terminal used by same

The technical field is as follows:

the utility model relates to a connector product technical field refers in particular to a fiber connector and fixed terminal that uses thereof.

Background art:

with the increasing development of communication technology, and the installation of communication devices such as telephones and networks, the distance between people is getting closer and closer, and the transmission of the communication devices is to use electrical signals or optical signals as signal transmission lines through cables, wherein the transmission method using optical signal transmission medium as optical Fiber (Fiber Optics) cable is the fastest, and since the optical Fiber is made of non-metallic materials such as plastic or glass, the optical Fiber has the advantages of excellent electromagnetic and noise interference resistance, high bandwidth, light weight, long signal transmission distance, and good confidentiality, so that the optical Fiber has gradually replaced the trend of the traditional metal transmission line.

With the continuous popularization and use of optical fibers, the demand of optical fiber connectors is also increasing. The optical fiber connector generally includes an insulating base having a mating port, an optical element disposed in the insulating base and disposed in the mating port, and a fixed terminal inserted outside the insulating base, wherein a slot penetrating the mating port is formed on a side edge of the insulating base, and the optical element is inserted in the slot. The optical element is used for receiving optical fiber signals, the fixed terminal is used for being inserted and fixed on the PCB, so that the optical fiber connector is more stably installed on the PCB, in order to prevent the optical element from being separated from the insertion groove of the insulating seat, a plug is generally inserted into the insertion groove, and the plug is used for propping against the optical element, so that the optical element is prevented from being separated, but one more plug is installed, the assembly steps are increased, and the cost is also increased; in addition, the fixed terminal is inserted into the positioning groove of the insulating base only through the insertion pieces on the two sides, the assembly structure is not stable enough, the fixing terminal is easy to loosen under the stress condition, and the optical fiber connector is difficult to ensure to be stably installed on the PCB.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide a fiber connector and fixed terminal that uses thereof.

In order to solve the technical problem, the utility model discloses a following first technical scheme: this fiber connector includes: an insulating base having a mating port into which a fiber optic plug is inserted; the side edge of the insulating seat is provided with an insertion groove which penetrates through the butt joint port; the side of the insulating base is also provided with a positioning groove; the optical element is inserted into the insertion groove and is arranged in the butt joint port, and a pin of the optical element extends out of the insulating seat; the front end of the fixed terminal is provided with a positioning insertion sheet which is inserted into the positioning groove, and a welding leg of the fixed terminal extends out of the insulating base; the front end of the fixed terminal is bent outwards to form a flange, and the flange is inserted into and clamped in the insertion groove and is positioned in the insertion groove and contacted with the optical element.

Furthermore, in the above technical solution, the positioning insertion sheet is stamped with a card protruding outward, and the card is clamped and positioned with the inner wall of the positioning groove.

Furthermore, in the above technical solution, the lower end surface of the insulating base is further provided with a first positioning opening penetrating through the insertion slot, and the lower part of the fixed terminal is further clamped and positioned in the first positioning opening, wherein the lower part of the fixed terminal is further formed with a clamping part protruding outwards, and the clamping part is clamped and positioned in the first positioning opening.

Furthermore, in the above technical solution, the number of the positioning insertion pieces is two, and the positioning insertion pieces are distributed on the left and right sides of the fixed terminal; the quantity of turn-ups is two, and it distributes in the fixed terminal left and right sides to be located the below or the top of location inserted sheet.

Furthermore, in the above technical solution, the fixed terminal includes a main body plate, and a first bending plate and a second bending plate which are formed on two sides of the main body plate after being bent by 90 degrees and extend forward, and the two positioning insertion pieces respectively extend forward and are formed at front ends of upper portions of the first bending plate and the second bending plate; the two flanges respectively extend forwards and are bent outwards to form the front ends of the lower parts of the first bending plate and the second bending plate; and the two welding feet respectively extend downwards and are formed outside the lower end surfaces of the first bending plate and the second bending plate.

Furthermore, in the above technical solution, the insulating base is further formed with a flange, the flange is provided with a second positioning opening, and the pin is clamped and positioned in the second positioning opening.

In order to solve the technical problem, the utility model discloses a following second technical scheme: this fixed terminal is including main part board and shaping in main part board front end both sides and the location inserted sheet that extends forward, its characterized in that: and flanges are formed on two sides of the front end of the fixed terminal and are arranged below or above the positioning insertion piece.

Furthermore, in the above technical solution, the positioning insertion sheet is stamped with a card protruding outward.

Furthermore, in the above technical solution, a retaining portion protruding outward is further formed at the lower portion of the fixed terminal.

Furthermore, in the above technical solution, two sides of the front end of the main body plate are bent by 90 degrees and then extend forward to form a first bending plate and a second bending plate; the two positioning insertion pieces respectively extend forwards to form the front ends of the upper parts of the first bending plate and the second bending plate; the two flanges respectively extend forwards and are bent outwards to form the front ends of the lower parts of the first bending plate and the second bending plate; the first bending plate and the second bending plate extend downwards along the lower end surface of the first bending plate and are formed with welding feet.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: in order to guarantee that the assembly structure of fixed terminal and insulating seat is more stable, following design has been made, the shaping of outwards buckling of fixed terminal front end has the turn-ups, this turn-ups inserts and blocks to hold and is positioned this cartridge inslot, can strengthen the assembly structure intensity of fixed terminal and insulating seat with this, so that this fixed terminal of later stage and PCB board welded fastening, with the welding strength of reinforcing whole fiber connector, make whole product stable installation on the PCB board, when preventing to appear because of the continuous plug of fiber connector relative to the fiber connector, destroy fiber connector, for example, the relative fixed terminal of insulating seat breaks away from etc.. Moreover, because the turn-ups inserts and blocks and is positioned the back in this cartridge groove and contacts with optical element to this carries on spacingly to optical element, thereby prevents that optical element from deviating from by accident, guarantees assembly structure's stability, improves product life.

Description of the drawings:

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

fig. 2 is a perspective view of another perspective of the present invention;

fig. 3 is an exploded perspective view of the present invention;

fig. 4 is a cross-sectional view of the present invention;

fig. 5 is a perspective view of the fixing terminal of the present invention;

fig. 6 is a perspective view of another perspective view of the middle fixing terminal of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Referring to fig. 1-6, an optical fiber connector is shown, which includes: insulating seat 1, optical element 2 and fixed terminal 3, wherein, this optical element 2 and fixed terminal 3 all install in this insulating seat 1, and this fixed terminal 3 and PCB board welded fastening to guarantee that fiber connector installs stably on the PCB board.

The insulating base 1 is provided with a butt joint port 11 for inserting an optical fiber plug; the side edge of the insulating seat 1 is provided with an insertion groove 12 which penetrates through the butt joint port 11; a positioning groove 13 is also formed in the side edge of the insulating base 1; the optical element 2 is inserted into the insertion groove 12 and is arranged in the butt joint port 11, and the pin 21 of the optical element 2 extends out of the insulating base 1; the front end of the fixed terminal 3 is provided with a positioning insertion sheet 31, the positioning insertion sheet 31 is inserted into the positioning groove 13, so that the fixed terminal 3 and the insulating base 1 form fixed assembly, and a welding leg 32 of the fixed terminal 3 extends out of the insulating base 1 so as to be welded and fixed with a PCB board at a later stage. In order to guarantee that the mounting structure of fixed terminal 3 and insulating seat 1 is more stable, following design has been made, the shaping of buckling outwards at the 3 front ends of fixed terminal has turn-ups 33, this turn-ups 33 inserts and blocks and hold and position in this cartridge groove 12, so that can strengthen the mounting structure intensity of fixed terminal 3 and insulating seat 1, so that this fixed terminal 3 of later stage and PCB board welded fastening, with the welding strength of reinforcing whole fiber connector, make whole product stable installation on the PCB board, when preventing to appear because of the continuous plug of the relative fiber connector of fiber plug, destroy fiber connector, for example, the relative fixed terminal 3 of insulating seat breaks away from etc.. Moreover, the flanging 33 is inserted into and clamped in the insertion groove 12 and then contacts with the optical element 2, so that the optical element 2 is limited, the optical element 2 is prevented from accidentally falling off, the stability of the assembly structure is ensured, and the service life of the product is prolonged.

In order to further ensure that the assembly structure of the fixed terminal 3 and the insulating base 1 is more stable, an outwardly protruding clamping sheet 311 is stamped on the positioning insertion sheet 31, and the clamping sheet 311 is clamped and positioned with the inner wall of the positioning groove 13, so that the positioning insertion sheet 31 is stably inserted into the positioning groove 13, and the stability of the assembly of the fixed terminal 3 and the insulating base 1 is ensured.

The number of the positioning insertion pieces 31 is two, and the positioning insertion pieces are distributed on the left side and the right side of the fixed terminal 3; the quantity of turn-ups 33 is two, and it distributes in the 3 left and right sides of fixed terminal to be located the below or the top of location inserted sheet 31, the fixed terminal 3 of this structure can be more stable with 1 assembly of insulator, makes the two assembly structure more firm, thereby after fixed terminal 3 passes through leg 32 and PCB board welded fastening, the assembly structure of whole fiber connector and PCB board is very stable.

The lower end face of the insulating base 1 is further provided with a first positioning opening 14 penetrating through the insertion groove 12, the lower part of the fixed terminal 3 is further clamped and positioned in the first positioning opening 14, wherein the lower part of the fixed terminal 3 is further formed with a clamping part 34 protruding outwards, and the clamping part 34 is clamped and positioned in the first positioning opening 14, so that the lower part of the fixed terminal 3 is stably hung in the first positioning opening 14 at the lower end of the insulating base 1, the assembling strength of the fixed terminal 3 and the insulating base 1 can be further enhanced, and the assembling structure of the fixed terminal 3 and the insulating base 1 is firmer. The solder leg 32 is located below the clamping portion 34, after the solder leg 32 is welded and fixed with the PCB, the lower end surface of the insulating base 1 is attached to the PCB, and the clamping portion 34 is clamped and located in the first locating opening 14, so that the welding strength of the whole optical fiber connector and the PCB is ensured, and the assembly structure is very stable.

Specifically, the fixed terminal 3 includes a main body plate 30, and a first bending plate 36 and a second bending plate 37 which are bent by 90 ° and formed on two sides of the main body plate 30 and extend forward, and the two positioning insertion pieces 31 respectively extend forward and are formed at the upper front ends of the first bending plate 36 and the second bending plate 37; the two flanges 33 extend forward and are bent outward at the front ends of the lower portions of the first bending plate 36 and the second bending plate 37; two of the fillets 32 are formed extending downward beyond the lower end faces of the first bend plate 36 and the second bend plate 37, respectively. That is, the positioning insertion piece 31 is perpendicular to the main body panel 30, the flange 33 is right-angled, and the foremost end of the flange 33 is parallel to the main body panel 30.

The insulating base 1 is further formed with a flange 15, the flange 15 is provided with a second positioning opening 151, and the pins 21 are held and positioned in the second positioning opening 151. Specifically, a through hole penetrating through the insertion groove 12 is formed in the front end face of the insulating base 1, the optical element 2 is arranged in the insertion groove 12 in a penetrating mode, the pin 21 of the optical element 2 penetrates through the through hole in the rear end face of the insulating base 1, is bent downwards by 90 degrees and then is placed in the second positioning opening 151, the lower end of the pin 21 further extends out of the lower end face of the insulating base 1, and the assembling structure can guarantee stability of the optical element 2 and the insulating base 1.

To sum up, the shaping of buckling outwards at 3 front ends of fixed terminal has turn-ups 33, and this turn-ups 33 inserts and block to hold and is positioned this cartridge inslot 12 to this can strengthen fixed terminal 3 and insulating seat 1's assembly structure intensity, so that this fixed terminal 3 and PCB board welded fastening in later stage, with the welding strength of reinforcing whole fiber connector, make whole product stable installation on the PCB board, when preventing to appear because of the continuous plug of fiber connector relative to the optical fiber plug, destroy fiber connector, for example insulating seat relative fixed terminal 3 breaks away from etc.. Moreover, the flanging 33 is inserted into and clamped in the insertion groove 12 and then contacts with the optical element 2, so that the optical element 2 is limited, the optical element 2 is prevented from accidentally falling off, the stability of the assembly structure is ensured, and the service life of the product is prolonged.

The utility model also provides a fixed terminal 3, it is shown to combine fig. 1-6, fixed terminal 3 is including main part board 30 and the shaping location inserted sheet 31 that extends forward in main part board 30 front end both sides, 3 front end both sides of fixed terminal are the shaping still have turn-ups 33, and location inserted sheet 31 below or top are arranged in to this turn-ups 33. The positioning insertion sheet 31 is inserted into the positioning groove 13 of the insulating base 1, so that the fixed terminal 3 and the insulating base 1 form a fixed assembly. The flanging 33 is inserted into and clamped in the insertion groove 12 to be positioned in the insertion groove, so that the strength of an assembly structure of the fixed terminal 3 and the insulating base 1 can be enhanced, the fixed terminal 3 and the PCB are welded and fixed in the later period, the welding strength of the whole optical fiber connector is enhanced, the whole product is stably installed on the PCB, and the optical fiber connector is prevented from being damaged, for example, the insulating base is separated from the fixed terminal 3 relative to the optical fiber connector, when the optical fiber plug is continuously plugged into or pulled out of the optical fiber connector relative to the optical fiber connector. Moreover, the flanging 33 is inserted into and clamped in the insertion groove 12 and then contacts with the optical element 2, so that the optical element 2 is limited, the optical element 2 is prevented from accidentally falling off, the stability of the assembly structure is ensured, and the service life of the product is prolonged.

The lower part of the fixed terminal 3 is also formed with a holding part 34 protruding outwards. The clamping portion 34 clamps and positions the first positioning opening 14 at the lower end of the insulating base 1, so that the lower portion of the fixed terminal 3 is stably hung and held in the first positioning opening 14 at the lower end of the insulating base 1, and the assembling strength of the fixed terminal 3 and the insulating base 1 can be further enhanced, and the assembling structure of the fixed terminal 3 and the insulating base 1 is firmer. The solder leg 32 of the fixed terminal 3 is located below the retaining part 34, after the solder leg 32 is welded and fixed with the PCB, the lower end face of the insulating base 1 is attached to the PCB, and the retaining part 34 is retained and positioned in the first positioning opening 14, so that the welding strength of the whole optical fiber connector and the PCB is ensured, and the assembly structure is very stable.

Two sides of the front end of the main body plate 30 are bent by 90 degrees and then extend forwards to form a first bending plate 36 and a second bending plate 37; the two positioning insertion pieces 31 extend forward and are formed at the front ends of the upper parts of the first bending plate 36 and the second bending plate 37 respectively; the two flanges 33 extend forwards and are bent outwards at the front ends of the lower parts of the first bending plate 36 and the second bending plate 37; the first bent plate 36 and the second bent plate 37 are each formed with a fillet 32 extending downward along the lower end surface thereof.

To sum up, the shaping of buckling outwards at 3 front ends of fixed terminal has turn-ups 33, and this turn-ups 33 inserts and blocks and hold the cartridge groove 12 of being located insulating seat 1 to this assembly structure intensity that can strengthen fixed terminal 3 and insulating seat 1, so that this fixed terminal 3 of later stage and PCB board welded fastening, with the welding strength of reinforcing whole fiber connector, make whole product stable installation on the PCB board, when preventing to appear because of the continuous plug of fiber connector relative to the fiber connector of fiber connector, destroy fiber connector, for example, insulating seat relative fixed terminal 3 breaks away from etc.. Moreover, the flanging 33 is inserted into and clamped in the insertion groove 12 and then contacts with the optical element 2, so that the optical element 2 is limited, the optical element 2 is prevented from accidentally falling off, the stability of the assembly structure is ensured, and the service life of the product is prolonged.

Of course, the above description is only for the specific embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent changes or modifications made by the structure, characteristics and principles according to the claims of the present invention should be included in the claims of the present invention.

Claims

1. An optical fiber connector, comprising:

an insulating base (1) having a mating port (11) into which an optical fiber plug is inserted; the side edge of the insulating seat (1) is provided with an insertion groove (12) which penetrates through the butt joint port (11); a positioning groove (13) is also formed in the side edge of the insulating base (1);

the optical element (2) is inserted into the insertion groove (12) and is arranged in the butt joint port (11), and the pin (21) of the optical element (2) extends out of the insulating base (1);

the front end of the fixed terminal (3) is provided with a positioning insertion sheet (31), the positioning insertion sheet (31) is inserted into the positioning groove (13), and a welding leg (32) of the fixed terminal (3) extends out of the insulating base (1);

the method is characterized in that: the front end of the fixed terminal (3) is bent outwards to form a flange (33), and the flange (33) is inserted into and clamped and positioned in the insertion groove (12) and is contacted with the optical element (2).

2. The fiber optic connector of claim 1, wherein: the positioning insertion piece (31) is stamped and formed with a clamping piece (311) protruding outwards, and the clamping piece (311) is clamped and positioned with the inner wall of the positioning groove (13).

3. The optical fiber connector according to claim 1, wherein: the lower end face of the insulating base (1) is also upwards provided with a first positioning opening (14) penetrating through the insertion groove (12), the lower part of the fixed terminal (3) is also clamped and positioned in the first positioning opening (14), wherein the lower part of the fixed terminal (3) is also formed with a clamping part (34) protruding outwards, and the clamping part (34) is clamped and positioned in the first positioning opening (14).

4. The optical fiber connector according to any one of claims 1 to 3, wherein: the number of the positioning insertion pieces (31) is two, and the positioning insertion pieces are distributed on the left side and the right side of the fixed terminal (3); the quantity of turn-ups (33) is two, and it distributes in fixed terminal (3) left and right sides to be located the below or the top of location inserted sheet (31).

5. The fiber optic connector of claim 4, wherein: the fixed terminal (3) comprises a main body plate (30), a first bending plate (36) and a second bending plate (37), wherein the first bending plate (36) and the second bending plate (37) are bent by 90 degrees and formed on two sides of the main body plate (30) and extend forwards, and the two positioning insertion sheets (31) respectively extend forwards and are formed at the front ends of the upper parts of the first bending plate (36) and the second bending plate (37); the two flanges (33) respectively extend forwards and are bent outwards at the front ends of the lower parts of the first bending plate (36) and the second bending plate (37); the two welding feet (32) respectively extend downwards and are formed outside the lower end surfaces of the first bending plate (36) and the second bending plate (37).

6. The optical fiber connector according to claim 4, wherein: the insulating base (1) is further provided with a flange (15), the flange (15) is provided with a second positioning opening (151), and the pin (21) is clamped and positioned in the second positioning opening (151).

7. Fixed terminal, this fixed terminal (3) including main part board (30) and shaping in main part board (30) front end both sides and location inserted sheet (31) that extend forward, its characterized in that: two sides of the front end of the fixed terminal (3) are also formed with flanges (33), and the flanges (33) are arranged below or above the positioning insertion piece (31).

8. The fixed terminal of claim 7, wherein: and a clamping sheet (311) protruding outwards is stamped and formed on the positioning insertion sheet (31).

9. The fixed terminal of claim 7, wherein: and the lower part of the fixed terminal (3) is also provided with a clamping part (34) which protrudes outwards.

10. The fixed terminal according to any one of claims 7 to 9, wherein: two sides of the front end of the main body plate (30) are bent by 90 degrees and then extend forwards to form a first bending plate (36) and a second bending plate (37); the two positioning insertion sheets (31) respectively extend forwards to form the front ends of the upper parts of the first bending plate (36) and the second bending plate (37); the two flanges (33) respectively extend forwards and are bent outwards at the front ends of the lower parts of the first bending plate (36) and the second bending plate (37); the first bending plate (36) and the second bending plate (37) are respectively extended and formed with a welding leg (32) along the lower end surface.