CN214540141U

CN214540141U - Optical fiber connection adapter

Info

Publication number: CN214540141U
Application number: CN202120830170.8U
Authority: CN
Inventors: 周建; 金鑫
Original assignee: Hengdong Optical Communication Technology Shenzhen Co ltd
Current assignee: Heng Dongguang Communication Technology Shenzhen Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-10-29
Anticipated expiration: 2031-04-21

Abstract

The utility model belongs to the technical field of communication technology and specifically relates to an optical fiber connection adapter is related to, it includes the adapter casing, optic fibre and be used for connecting the optic fibre checkpost of optic fibre, optic fibre includes optic fibre lock pin and line body, the interface that communicates with the adapter casing inner chamber is seted up to the one end of adapter casing, optic fibre checkpost and optic fibre lock pin are all pegged graft in the inner chamber of adapter casing through the interface, the inner chamber of adapter casing is provided with spacing portion, be provided with the stopper with spacing portion joint on the optic fibre lock pin, the interface department of adapter casing is provided with the joint piece of two relative settings, be provided with the elasticity fixture block that corresponds with joint piece position on the optic fibre checkpost, when inserting into the adapter casing inner chamber with optic fibre lock pin as optic fibre checkpost, optic fibre lock pin and optic fibre butt checkpost, and joint piece and elasticity fixture block joint cooperation. This application has and helps carrying out the butt joint between the optic fibre lock pin, improves the effect of optic fibre connection rate of accuracy.

Description

Optical fiber connection adapter

Technical Field

The present application relates to the field of communications technologies, and in particular, to an optical fiber connection adapter.

Background

The optical fiber adapter is also called as an optical fiber flange plate, and an optical fiber machine room, a terminal box, optical communication equipment, a jumper and the like are required to be used; the optical fiber connector butt joint device has the main functions of realizing butt joint of the same or different optical fiber connectors in an optical fiber circuit, enabling the optical path to be smooth under the condition of little loss, and precisely butt-jointing two end faces of the optical fiber so as to couple optical energy output by the optical fiber into a receiving optical fiber to the maximum extent.

Among the current fiber optic adapter, including adapter body and the fiber clip that is used for joint optic fibre, and adapter body adopts both ends opening and inside hollow frame construction more, and glue fixed connection is passed through with adapter body's one end to the fiber clip, when connecting optic fibre, only needs insert the optic fibre lock pin and establish into the fiber clip, can fix optic fibre in fiber optic adapter.

With respect to the related art among the above, the inventors consider that the related art has the following drawbacks: in the process of installing the optical fiber, the optical fiber inserting core is easy to be inserted in place, so that the phenomena of connection failure such as misconnection and virtual connection exist between the optical fibers, the connection error rate of the optical fiber is high, and signals are not communicated after the optical fiber is connected.

SUMMERY OF THE UTILITY MODEL

In order to assist and dock between the optic fibre lock pin, improve optic fibre connection's rate of accuracy, this application provides an optic fibre connection adapter.

The application provides an optical fiber connection adapter adopts following technical scheme:

the utility model provides an optical fiber connection adapter, includes adapter housing, optic fibre and is used for connecting the optic fibre checkpost of optic fibre, optic fibre includes optic fibre lock pin and line body, the interface that communicates with adapter housing inner chamber is seted up to adapter housing's one end, optic fibre checkpost and optic fibre lock pin are all pegged graft in adapter housing's inner chamber through the interface, adapter housing's inner chamber is provided with spacing portion, be provided with the stopper with spacing portion joint on the optic fibre lock pin, adapter housing's interface department is provided with the joint piece of two relative settings, be provided with the elasticity fixture block that corresponds with joint piece position on the optic fibre checkpost, work as when optic fibre checkpost and optic fibre lock pin are inserted and are established into adapter housing inner chamber, optic fibre lock pin and optic fibre checkpost butt, just joint piece and the cooperation of elasticity fixture block joint.

Through adopting above-mentioned technical scheme, when connecting optic fibre and adapter, can install optic fibre on the fiber clip earlier, then insert with the fiber clip and establish the interface on the adapter casing, joint piece and elasticity fixture block joint, the optic fibre lock pin supports tightly on the fiber clip through spacing portion, make the fiber clip establish after the interface is being inserted, the optic fibre lock pin is not removable, and stability is high, compare with the mode that adopts fiber clip and adapter casing body to be connected, the phenomenon that the optic fibre was pegged graft not in place has been reduced, be favorable to improving fiber connection's rate of accuracy.

Optionally, the optical fiber clip includes the fixed plate, relative and parallel arrangement in two fixed blocks on the fixed plate side, with fixed block side fixed connection's contact pin and with the fixed block deviates from the side fixed connection's of contact pin dustproof baffle, two the side that dustproof baffle carried on the back mutually respectively with two elasticity fixture block fixed connection, optic fibre lock pin accessible contact pin is connected with the optical fiber clip, the joint hole has all been seted up on two relative lateral surfaces of adapter housing, the joint hole is linked together with the interface, joint piece accessible joint hole and elasticity fixture block fixed connection.

Through adopting above-mentioned technical scheme, form a passageway between two fixed blocks, optic fibre lock pin accessible contact pin cup joints on the fiber clip, and the line body of optic fibre can be placed in the passageway, and then installs optic fibre on the fiber clip, and when the fiber clip was inserted and is located the interface, the elasticity fixture block was located the joint hole, joint piece and elasticity fixture block joint to install optic fibre in the adapter casing.

Optionally, two equal fixedly connected with connecting strip on the side that the fixed block deviates from the contact pin, just connecting strip and dust baffle interval set up.

Through adopting above-mentioned technical scheme, the setting of connecting strip can strengthen the guide effect of fixed block to the optic fibre line body, the installation of the optic fibre of being convenient for.

Optionally, the side faces of the elastic clamping block opposite to the clamping block are provided with matched guide inclined planes.

Through adopting above-mentioned technical scheme, the setting of direction inclined plane is convenient for during fiber clip inserts and establishes into the interface.

Optionally, the adapter casing is close to two mounting panels of one end fixedly connected with of joint piece, and two the mounting panel sets up respectively on the relative both sides face of adapter casing, a plurality of through-holes have been seted up on the mounting panel, the mounting panel accessible is a plurality of through-hole bolted connection is in main equipment body.

Through adopting above-mentioned technical scheme, adapter accessible mounting panel fixed mounting is on equipment main part.

Optionally, the adapter housing is close to one end of the mounting plate and is connected with a connecting plate fixedly on two outer side faces of the mounting plate, the connecting plate is connected with an inserting plate fixedly on two side faces of the mounting plate, a second connecting plate is fixedly connected to the side face of the connecting plate, and the second connecting plate is far away from a convex block fixedly connected to the side face of the first connecting plate.

Through adopting above-mentioned technical scheme, during the installation adapter, can will install in the protective housing that is used for protecting the adapter through the plugboard, and the lug can with the protective housing joint.

Optionally, a plurality of inner cavities of the adapter housing are arranged, and the inner cavities of the plurality of adapters are arranged in parallel at intervals.

Through adopting above-mentioned technical scheme, the setting of a plurality of inner chambers can be installed many optic fibre to the adapter in simultaneously.

Optionally, a chamfer is arranged on the opening periphery side of one end of the adapter shell, which is far away from the mounting plate.

Through adopting above-mentioned technical scheme, the setting of chamfer makes things convenient for the mounting panel of adapter casing.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when connecting optic fibre and adapter, can install optic fibre on the fiber clip earlier, then insert the fiber clip and establish the interface on the adapter casing, joint piece and elasticity fixture block joint, the optic fibre lock pin supports tightly on the fiber clip through spacing portion, make the fiber clip establish after the interface is established in inserting, the optic fibre lock pin is unmovable, and stability is high, compare with the mode that adopts fiber clip and adapter casing body to be connected, reduced the phenomenon that the optic fibre was pegged graft not in place, be favorable to improving the rate of accuracy of fiber connection.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the present application.

Fig. 3 is an exploded view of a fiber optic clip and an optical fiber according to an embodiment of the present application.

Description of reference numerals: 1. an adapter housing; 11. a guide slope; 12. mounting a plate; 13. a through hole; 14. a first connecting plate; 15. a plugboard; 16. a second connecting plate; 17. a bump; 18. an inner cavity; 19. a square hole; 2. an optical fiber; 21. an optical fiber ferrule; 211. an insertion block; 212. a wire body connecting block; 22. a wire body; 3. a fiber clamp; 31. a fixing plate; 32. a fixed block; 33. inserting a pin; 34. a dust-proof baffle plate; 4. an interface; 5. a limiting part; 6. a limiting block; 7. a clamping block; 8. an elastic clamping block; 9. a clamping hole; 10. and (4) connecting strips.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses an optical fiber connection adapter. Referring to fig. 1 and 2, the optical fiber connection adapter includes an adapter housing 1 and a fiber clip 3 for connecting an optical fiber 2, the optical fiber 2 is composed of an optical fiber ferrule 21 and a wire body 22, in this embodiment, the optical fiber ferrule 21 is composed of a plug-in block 211 and a wire body connection block 212, the wire body connection block 212 is fixedly connected to the inner side of the plug-in block 211, one end of the wire body 22 passes through the wire body connection block 212 and extends into the plug-in block 211 to be fixed to the inner side of the plug-in block 211, a plug-in port 4 is opened at one end of the adapter housing 1, the plug-in port 4 is communicated with an inner cavity 18 of the adapter housing 1, and the fiber clip 3 can be inserted into the adapter housing 1 through the plug-in port 4. The inner cavity 18 of the adapter housing 1 is provided with a limiting part 5, the insertion block 211 is close to one end of the fiber clip 3 and fixedly connected with a limiting block 6, and the insertion block 211 can be clamped with the limiting part 5 through the limiting block 6. Simultaneously, adapter housing 1 is last and be located two joint pieces 7 of interface 4 fixedly connected with of department, and two joint pieces 7 are symmetrical about the axis of interface 4 and set up, two elastic fixture block 8 of fixedly connected with on the fiber clip 3, and the position of two elastic fixture block 8 is corresponding with two joint pieces 7 respectively, and when fiber clip 3 all inserted with fiber insertion core 21 and locate in adapter housing 1 inner chamber 18, joint piece 7 and elastic fixture block 8 joint, and fiber insertion core 21 is close to the one end of fiber clip 3 and is located interface 4 with fiber clip 3 one end side looks counterbalance tightly, the one end that fiber clip 3 was kept away from to fiber insertion core 21 is with spacing portion 5 looks counterbalance.

Referring to fig. 1 and 2, adapter housing 1 is close to joint piece 7 and equal fixedly connected with mounting panel 12 on the relative both sides face, has seted up a plurality of through-holes 13 on the biggest side of mounting panel 12 area, and in this embodiment, the quantity of through-hole 13 is two, and two through-holes 13 bolted connection of mounting panel 12 accessible are on the equipment main part.

Referring to fig. 2 and 3, the optical fiber clip is composed of a fixing plate 31, two fixing blocks 32, two pins 33 and two dust-proof baffles 34, and in this embodiment, the optical fiber clip 3 and the elastic latch 8 are made of plastic with certain elastic deformability. Two fixed blocks 32 are all fixedly connected with one end side of the fixed plate 31, and the two fixed blocks 32 are relatively parallel and arranged at intervals, so that a channel is formed between the two fixed blocks 32, and the line body connecting block 212 and the line body 22 can be placed in the channel. The two pins 33 are respectively and correspondingly fixedly connected with the side surfaces of the two fixing blocks 32 facing the insertion block 211, and the side surface of the insertion block 211 close to the fixing block 32 is provided with insertion holes matched with the two pins 33. The end face of one end of the dustproof baffle 34 is fixedly connected with the side face of the fixing block 32 far away from the contact pin 33, and the two elastic clamping blocks 8 are respectively fixedly connected with the side faces of the two dustproof baffles 34 which are back to back. Meanwhile, the adapter shell 1 is provided with a clamping hole 9 matched with the elastic clamping block 8 on the side surface of the clamping block 7, and the clamping hole 9 is communicated with the plug interface 4. In addition, two fixed blocks 32 deviate from equal fixedly connected with connecting strip 10 on the side of contact pin 33, and connecting strip 10 and the 34 intervals of dust guard on same fixed block 32 set up, and the passageway has been prolonged in setting up of two connecting strips 10, more is favorable to placing and fixing of optic fibre 2.

Therefore, when the optical fiber 2 is installed, the insertion block 211 can be firstly sleeved on the insertion pin 33, at this time, the wire body connecting block 212 is clamped in the channel on the optical fiber clamp 3, the wire body 22 is fixed in the channel, then the wire body 22 and the wire body connecting block 212 are placed in the channel and fixed, then the two dustproof baffles 34 are pressed, the two clamping blocks 7 are mutually close, the optical fiber clamp 3 is inserted into the insertion hole, the dustproof baffles 34 are loosened, the clamping blocks 7 are inserted into the insertion hole 9, and the optical fiber clamp 3 is clamped in the adapter shell 1, at this time, one end, close to the optical fiber clamp 3, of the insertion block 211 is tightly abutted against the optical fiber clamp 3, one end, far away from the optical fiber clamp 3, of the insertion block 211 is abutted against the limiting part 5, so that the optical fiber insertion core 21 is difficult to move after the optical fiber clamp 3 is inserted into the insertion hole 4, the stability of the optical fiber 2 is high, compared with a mode that the optical fiber clamp 3 is integrally connected with the adapter shell 1, the phenomenon that the optical fiber 2 is not inserted in place is reduced, and the connection accuracy of the optical fiber 2 is improved.

Referring to fig. 2 and 3, all being provided with assorted direction inclined plane 11 on the side that elasticity fixture block 8 is relative with joint piece 7 for when inserting and establishing fiber clip 3, the direction inclined plane 11 of joint piece 7 can slide the cooperation with the direction inclined plane 11 on the elasticity fixture block 8, makes dust guard 34 take place the elastic deformation of certain degree, the grafting installation of fiber clip 3 of being convenient for.

Referring to fig. 1, adapter housing 1 is close to the one end of mounting panel 12 and equal fixedly connected with first connecting plate 14 on the both sides face that backs on the back, the equal fixedly connected with plugboard 15 of the both sides face that backs on the back on first connecting plate 14, and plugboard 15 is close to adapter housing 1's one end terminal surface and adapter housing 1 fixed connection, set up the square hole 19 that runs through first connecting plate 14 on the biggest side of first connecting plate 14 area, fixedly connected with second connecting plate 16 on the side of keeping away from adapter housing 1 on first connecting plate 14 and being located square hole 19, fixedly connected with lug 17 on the side of keeping away from first connecting plate 14 of second connecting plate 16.

Referring to fig. 1, a plurality of inner chambers 18 are provided in the adapter housing 1, and the inner chambers 18 of the plurality of adapter housings 1 are arranged in parallel at equal intervals, and in the present embodiment, six inner chambers 18 are provided. Thereby, the adapter can be simultaneously connected and fixed to up to six optical fibers 2.

Referring to fig. 1, a chamfer is arranged on the opening periphery side of one end of the adapter housing 1, which is far away from the mounting plate 12, in this embodiment, the chamfer is a lead bevel angle, and the angle of the lead bevel angle is forty-five degrees, so that the adapter housing 1 can be conveniently mounted in a protective housing matched with an adapter.

The implementation principle of the optical fiber connection adapter in the embodiment of the application is as follows: when installing optic fibre 2 to the adapter on, can cup joint plug 211 to contact pin 33 earlier, then place into the passageway with the line body 22 of optic fibre 2 on and the chucking, operating personnel sticiss two dust baffles 34 again, make two elasticity fixture blocks 8 remove in opposite directions, then inject fiber clip 3 in interface 4, and will insert plug 211 and support tight spacing portion 5, loosen dust baffles 34, elasticity fixture block 8 inserts and establishes into interface hole 9, elasticity fixture block 8 and joint block 7 joint, and then fix fiber clip 3 in adapter housing 1. At this moment, the one end that grafting piece 211 is close to fiber clip 3 offsets tightly with fiber clip 3, and the one end that fiber clip 3 was kept away from to grafting piece 211 offsets with spacing portion 5, and fiber insertion core 21 is unmovable, and then improves fiber insertion core 21 fixed connection's stability, compares with the mode that adopts fiber clip 3 and adapter housing 1 body coupling, has reduced the not in place phenomenon of optic fibre 2 grafting, is favorable to improving the rate of accuracy that fiber 2 connects.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an optical fiber connection adapter, includes adapter casing (1), optic fibre (2) and is used for connecting optic fibre (2) fiber clip (3), optic fibre (2) are including optic fibre lock pin (21) and line body (22), its characterized in that: one end of the adapter shell (1) is provided with an insertion port (4) communicated with an inner cavity (18) of the adapter shell (1), the optical fiber clip (3) and the optical fiber insertion core (21) are inserted into the inner cavity (18) of the adapter shell (1) through the insertion port (4), the inner cavity (18) of the adapter shell (1) is provided with a limiting part (5), the optical fiber insertion core (21) is provided with a limiting block (6) clamped with the limiting part (5), the insertion port (4) of the adapter shell (1) is provided with two clamping blocks (7) which are oppositely arranged, the optical fiber clip (3) is provided with an elastic clamping block (8) corresponding to the clamping block (7), when the optical fiber clip (3) and the optical fiber insertion core (21) are inserted into the inner cavity (18) of the adapter shell (1), the optical fiber clip (21) is abutted against the optical fiber clip (3), and the clamping block (7) is in clamping fit with the elastic clamping block (8).

2. A fiber optic connection adapter according to claim 1, wherein: fiber clip (3) including fixed plate (31), relative and parallel arrangement in two fixed block (32) on fixed plate (31) side, with fixed block (32) a side fixed connection's contact pin (33) and with fixed block (32) deviate from side fixed connection's of contact pin (33) dustproof baffle (34), two dustproof baffle (34) the side of carrying on the back mutually respectively with two elasticity fixture block (8) fixed connection, optic fibre lock pin (21) accessible contact pin (33) are connected with fiber clip (3), joint hole (9) have all been seted up on two relative lateral surfaces of adapter housing (1), joint hole (9) are linked together with interface (4), elasticity fixture block (8) accessible joint hole (9) and joint piece (7) joint.

3. A fiber optic connection adapter according to claim 2, wherein: two equal fixedly connected with connecting strip (10) on fixed block (32) deviate from the side of contact pin (33), just connecting strip (10) and dust guard (34) interval set up.

4. A fiber optic connection adapter according to claim 1, wherein: the side surfaces of the elastic clamping block (8) opposite to the clamping block (7) are provided with matched guide inclined planes (11).

5. A fiber optic connection adapter according to claim 1, wherein: adapter casing (1) is close to two mounting panels (12) of one end fixedly connected with of joint piece (7), and two mounting panel (12) set up respectively on adapter casing (1) relative both sides face, a plurality of through-holes (13) have been seted up on mounting panel (12), mounting panel (12) accessible is a plurality of through-hole (13) bolted connection is in the equipment main part.

6. A fibre optic connection adapter according to claim 5, wherein: adapter casing (1) is close to the one end of mounting panel (12) and the equal fixedly connected with connecting plate of two lateral surfaces that back on the back mutually, equal fixedly connected with plugboard (15) on the both sides face that the connecting plate back on the back mutually, fixedly connected with second connecting plate (16) on the side of connecting plate, the side fixedly connected with lug (17) of first connecting plate (14) are kept away from in second connecting plate (16).

7. A fiber optic connection adapter according to claim 1, wherein: a plurality of inner cavities (18) are arranged on the adapter shell (1), and the inner cavities (18) of the adapter shell (1) are arranged in parallel at intervals.

8. A fibre optic connection adapter according to claim 5, wherein: a chamfer is arranged on the periphery of an opening at one end, far away from the mounting plate (12), of the adapter shell (1).