CN210243896U

CN210243896U - Novel LC adapter

Info

Publication number: CN210243896U
Application number: CN201921297512.3U
Authority: CN
Inventors: Jingfeng Li; 黎镜锋; Jun Wu; 吴俊�; Xiangye Sun; 孙香业; Bingliang Wen; 闻炳亮
Original assignee: SHANGHAI TIANCHENG COMMUNICATION TECHNOLOGY CO LTD
Current assignee: SHANGHAI TIANCHENG COMMUNICATION TECHNOLOGY CO LTD
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-04-03
Anticipated expiration: 2029-08-12

Abstract

The utility model relates to a novel LC adapter, which comprises an insulating shell and an inserting component inserted in the insulating shell, the insulating shell comprises a frame body part and an extension part extending backwards from the frame body part, the plug-in component comprises a front plug-in component and a rear plug-in component which are matched with each other front and back, the front plug-in component comprises a base part and a partition board, the rear plug-in component comprises a main part, the partition board divides the frame body into a left first plug-in port, a right first plug-in port and a second plug-in port for respectively plugging two pairs of butt joints, the extension part is provided with a third interface and a fourth interface, the base part is provided with two front guide parts, the base part is provided with a rear guide part, the front guide part and the rear guide part which correspond to each other in the front and the rear direction are internally provided with a hollow ceramic sleeve which extends in the front and the rear direction in a penetrating way, and the left side and the right side of the extending part are provided with sliding grooves which extend up and down and are used for clamping the wiring box. Thus, the high density requirement is satisfied.

Description

Novel LC adapter

Technical Field

The utility model relates to an optical waveguide coupling device especially relates to an optical fiber adapter.

Background

The optical fiber adapter is a centering connection part for realizing an optical fiber movable connector, is a detachable and movable connection device between optical fibers, and is mainly used for precisely butting two end faces of the optical fibers together so as to ensure that optical signals output by the optical fibers are coupled into receiving optical fibers to the maximum extent. Therefore, to a certain extent, the performance of the optical fiber adapter is good or not, and the performance of the optical transmission system is greatly influenced.

There are various types of fiber optic adapters, such as SC, FC, LC, etc. The LC adapter has wide application due to the advantages of low price, convenient plugging operation, small insertion loss fluctuation, high compressive strength, high installation density and the like.

The conventional LC optical fiber adapter mainly comprises an insulating shell, wherein a ceramic sleeve is arranged in the insulating shell, and the ceramic sleeve is internally used for butting the head parts of inserting cores in front and rear inserting joints. However, the general LC fiber optic adapters have become increasingly unable to meet the high density distribution frame requirements.

Therefore, there is a need for improvement of the prior art to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a satisfy novel LC adapter of high density distribution frame demand.

The utility model aims at realizing through the following technical scheme: the utility model provides a novel LC adapter, including insulating housing and peg graft in plug-in components in the insulating housing, insulating housing includes the frame body portion and from the extension of frame body portion ranging back, plug-in components include around complex plug-in components before plug-in components and back plug-in components, preceding plug-in components include about extending the basal portion and from the baffle that the basal portion middle part extends forward, back plug-in components is including extending about for with basal portion front and back complex this portion, the baffle is cut apart the frame body portion and is controlled first interface and second interface and be used for pegging graft two pairs of butt joint respectively, the extension is concave to be equipped with from the back forward with first interface, second interface front and back corresponding third interface, fourth interface, be equipped with from the back forward two preceding guide portions that extend into first interface and second interface on the basal portion, this portion is equipped with from the front to back and extends to third interface, In the fourth interface and with the back guide part that preceding guide part one-to-one set up, wear to establish the cavity ceramic bushing who accepts extension around jointly in preceding guide part that corresponds around with the back guide part, the left and right sides is equipped with the spout that is used for card to hold to distribution box/distribution frame that extends from top to bottom on the extension.

As a further improvement of the present invention, the partition plate is provided with a front and a rear extending insertion rib, and the frame body portion is provided with an insertion groove for receiving the insertion rib from front to rear.

As a further improvement of the utility model, the positioning convex part and the positioning concave part which are matched with each other are arranged on the inserting convex rib and the inserting groove.

As the utility model discloses a further improvement, be used for pegging graft the LC bayonet joint in the first interface, the rectangle form main part that the LC bayonet joint extends around including, the column lock pin head that extends around the main part is inside to be equipped with, is used for pegging graft the LC bayonet joint back seat in the third interface, the column lock pin head that the LC bayonet joint back seat extends around including, the lock pin head of LC bayonet joint and the lock pin head of LC bayonet joint back seat realize the butt joint around ceramic bushing is intraductal.

As a further improvement, the LC connector is provided with an elastic arm extending from the side direction of the main body, the elastic arm is provided with a convex part for clamping the matched card in the first socket.

As a further improvement of the present invention, the extension portion left and right sides is respectively provided with two protruding ribs extending from top to bottom, the chute is formed by the two protruding ribs.

As a further improvement of the utility model, the height of the novel LC adapter is less than or equal to 9.4 mm.

As a further improvement of the present invention, the front insertion member and the rear insertion member are inserted into the frame body portion together from front to rear after being fastened together.

As a further improvement, the extension is the fixed overcoat of LC lock pin of controlling mutual independence, the fixed overcoat of LC lock pin is equipped with the fool-proof fretwork groove of extending around.

As a further improvement of the utility model, the frame body part is provided with a through elastic arm clamping groove for buckling and holding the convex part.

Compared with the prior art, the novel LC adapter of the utility model comprises an insulating shell and an inserting component inserted in the insulating shell, the insulating shell comprises a frame body part and an extension part extending backwards from the frame body part, the plug-in component comprises a front plug-in component and a rear plug-in component which are matched with each other front and back, the front plug-in component comprises a base part and a partition board, the rear plug-in component comprises a main part, the partition board divides the frame body into a left first plug-in port, a right first plug-in port and a second plug-in port for respectively plugging two pairs of butt joints, the extension part is provided with a third interface and a fourth interface, the base part is provided with two front guide parts, the base part is provided with a rear guide part, the front guide part and the rear guide part which correspond to each other in the front-rear direction are provided with hollow ceramic sleeves which extend in the front-rear direction in a penetrating way, the left side and the right side of the extension part are provided with sliding grooves which extend up and down and are used for clamping the wiring box/the distribution frame. Therefore, the novel LC adapter can be used for assembling and producing conventional cables, is a unique LC adapter, mainly comprises three special structural elements except a ceramic sleeve, can realize the plugging and unplugging functions of two LC butt joints at the front part, can plug two LC parts at the rear part, can reduce the use of one connector or one adapter due to the butt joint of the parts, and reduces the cost; so can allow to realize more convenient installation and dismantlement with distribution box/distribution frame with product height control within 9.4, the afterbody is the slotted cooperation structure to satisfy high density distribution frame demand, belong to the country and initiate, because present adapter and connector always can only satisfy 144 core wiring demands at general distribution frame is the highest, 192 core user demands can be satisfied to this novel adapter.

Drawings

Fig. 1 is a perspective combination view of the LC adapter of the present invention when a pair of butt joints are inserted.

Fig. 2 is a perspective assembly view of fig. 1 from another angle.

Fig. 3 is a perspective combination view of the LC adapter of the present invention.

Fig. 4 is a perspective exploded assembly view of fig. 3.

Fig. 5 is a perspective view of a pair of butt joints in butt joint.

Fig. 6 is a perspective view of the ceramic bushing of fig. 5 with the addition of the ceramic bushing.

Fig. 7 is a partial enlarged view of the LC adapter of the present invention when assembled with a wiring box.

Reference numerals:

novel LC adapter 100 insulating housing 1

First socket 101 of frame 10

The second interface 102 is inserted into the groove 103

Elastic arm clamping groove 104 extending part 11

Rib 111 runner 112

Third interface 113 fourth interface 114

LC lock pin fixing sleeve 115 fool-proof hollow groove 116

Front plug-in part 21 of plug-in part 2

Front guide 211 of base 210

Partition 211 insertion rib 212

Positioning projection 213 rear plug-in part 22

Back guide 221 of main part 220

LC connector 3 main body part 30

The elastic arm 31 catches the projection 311

Ferrule head 32 LC connector backseat 4

Ferrule head 41 sleeve 5

Wiring box 200 holding groove 201

Holding rib 202

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Fig. 1 to 7 are schematic structural views of an LC adapter 100 according to the present invention. A novel LC adapter 100 for transmitting fiber optic signals. The insulating housing 1 comprises a housing body 10 and an extending part 11 extending backwards from the housing body 10, the inserting part 2 comprises a front inserting part 21 and a rear inserting part 22 which are matched with each other front and back, the front inserting part 21 comprises a base part 210 extending left and right and a partition 211 extending forwards from the middle part of the base part 210, the rear inserting part 22 comprises a base part 220 extending left and right and matched with the base part 210 front and back, the partition 211 divides the housing body 10 into a left first inserting port 101 and a right second inserting port 102 for respectively inserting two pairs of butt joints, each pair of butt joints comprises an LC inserting joint 3 and an LC inserting joint rear seat 4, the extending part 11 is concavely provided with a third inserting port 113 and a fourth inserting port 114 corresponding to the first inserting port 101 and the second inserting port 102 front and back from back to front, the base portion 210 is provided with two front guide portions 211 extending into the first insertion port 101 and the second insertion port 102 from the back to the front, the base portion 220 is provided with rear guide portions 221 extending into the third insertion port 113 and the fourth insertion port 114 from the front to the back and arranged in one-to-one correspondence with the front guide portions 211, the front guide portions 211 and the rear guide portions 221 corresponding to each other in the front and the rear are provided with hollow ceramic sleeves 5 extending in the front and the rear in a penetrating manner, and the left side and the right side of the extending portion 11 are provided with sliding grooves 112 extending in the up and down direction and used for clamping the wiring box 200. According to the configuration, novel LC adapter 100 can be used to conventional cable equipment production, for unique LC adapter, mainly comprise three special construction original papers except that ceramic bushing 5, can realize two anterior LC butt joint's plug function, two LC parts are inserted to the rear portion, do not need complete LC butt joint connector that sets up promptly, the use of the reducible connector of its part butt joint or an adapter, reduce cost, so can allow to control product height within 9.4, the afterbody is spout 112 formula cooperation structure can realize more convenient installation and dismantlement with distribution box 200, and satisfy high density distribution box 200 demand, be originated in the country. And because existing adapters and connectors can only meet 144-core wiring requirements at the highest total universal distribution frame, the novel LC adapter 100 can meet 192-core use requirements.

The partition 211 is provided with a front-rear extending insertion rib 212, and the frame body 10 is provided with an insertion groove 103 for receiving the insertion rib 212 in an insertion manner from front to rear. With this arrangement, the plug-in component 2 is plugged into the housing part 10 from the front via the plug-in rib 212 and the plug-in groove 103.

The plugging convex rib 212 and the plugging concave groove 103 are provided with a positioning convex part 213 and a positioning concave part (not shown) which are matched with each other. With this arrangement, the plugging member 2 can be stably held in the housing 10 by the mutually engaging positioning protrusions 213 and positioning recesses.

The first socket 101 is used for being plugged with the LC plug-in connector 3, the LC plug-in connector 3 comprises a rectangular main body part 30 extending forwards and backwards, a cylindrical plug core head part 32 extending forwards and backwards is arranged in the main body part 30, the third socket 113 is used for being plugged with the LC plug-in connector rear seat 4, the LC plug-in connector rear seat 4 comprises a cylindrical plug core head part 41 extending forwards and backwards, and the plug core head part 32 of the LC plug-in connector 3 and the plug core head part 41 of the LC plug-in connector rear seat 4 are butted in the ceramic sleeve 5 forwards and backwards. Therefore, the ceramic sleeve 5 can ensure that the ferrule head 32 of the LC plug-in connector 3 is accurately butted with the ferrule head 41 of the LC plug-in connector rear seat 4, and signal leakage is avoided.

The LC connector 3 is provided with a resilient arm 31 extending laterally from the main body 30, and the resilient arm 31 is provided with a latching protrusion 311 for latching and matching with the first interface 101. With this arrangement, the elastic arm 31 can selectively latch or disengage the first interface 101 through the latching protrusion 311.

The left side and the right side of the extending part 11 are respectively provided with two convex ribs 111 extending up and down, and the sliding groove 112 is formed by clamping the two convex ribs 111. Thus, the rib 111 and the sliding groove 112 can cooperate with the wiring box 200 to achieve retention, specifically, the rib 111 cooperates with the retention groove 201 of the wiring box 200, and the sliding groove 112 cooperates with the retention rib 202 of the wiring box 200.

Specifically, in this embodiment, the height of the novel LC adapter 100 is less than or equal to 9.4 mm. Thus, the requirement of the high-density wiring box 200 can be satisfied.

The front plug member 21 and the rear plug member 22 are engaged with each other in a front-rear manner and then plugged into the housing 10 from front to rear. So configured, assembly of the novel LC adapter 100 may be facilitated.

The extension part 11 is an LC ferrule fixing sleeve 115 with left and right independent, and a fool-proof hollow groove 116 extending forwards and backwards is arranged on the LC ferrule fixing sleeve 115. With such an arrangement, the fool-proof hollow-out groove 116 can guide the LC plug rear seat 4 to be inserted from the back to the front, thereby playing a guiding role and preventing the LC plug rear seat 4 from being reversely inserted.

The frame body 10 is provided with a through elastic arm slot 104 for holding the clamping protrusion 311. So arranged, the clamping of the resilient arm 31 may be facilitated.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A novel LC adapter, characterized in that: the novel LC adapter comprises an insulating shell and an inserting component inserted in the insulating shell, the insulating shell comprises a frame body part and an extending part extending backwards from the frame body part, the inserting component comprises a front inserting component and a rear inserting component which are matched with each other front and back, the front inserting component comprises a base part extending left and right and a partition plate extending forwards from the middle part of the base part, the rear inserting component comprises a base part extending left and right and matched with the base part front and back, the partition plate divides the frame body part into a left first inserting port and a right second inserting port for respectively inserting two pairs of butt joints, the extending part is concavely provided with a third inserting port and a fourth inserting port which correspond to the first inserting port and the second inserting port front and back from back to front, and two front guide parts extending into the first inserting port and the second inserting port from back to front are arranged on the base part, the main part is provided with a rear guide part which extends from front to back into the third insertion port and the fourth insertion port and is in one-to-one correspondence with the front guide part, the front guide part and the rear guide part which correspond to each other in the front and the rear direction are jointly penetrated and accommodated with hollow ceramic sleeves extending in the front and the rear direction, and the left side and the right side of the extending part are provided with sliding grooves which extend up and down and are used for clamping the distribution box/distribution frame.

2. The novel LC adapter of claim 1, wherein: the partition board is provided with a splicing convex rib extending forwards and backwards, and a splicing groove used for splicing and containing the splicing convex rib from front to back is arranged in the frame body part.

3. The novel LC adapter of claim 2, wherein: and the inserting convex rib and the inserting groove are provided with a positioning convex part and a positioning concave part which are matched with each other.

4. The novel LC adapter of claim 1, wherein: the first plug socket is internally used for being plugged with an LC plug socket, the LC plug socket comprises a rectangular main body part extending forwards and backwards, a cylindrical ferrule head part extending forwards and backwards is arranged in the main body part, a LC plug socket rear seat is plugged in the third plug socket, the LC plug socket rear seat comprises a cylindrical ferrule head part extending forwards and backwards, and the ferrule head part of the LC plug socket rear seat are butted in the ceramic bushing forwards and backwards.

5. The novel LC adapter of claim 1, wherein: the LC connector is provided with an elastic arm extending from the side direction of the main body part, and the elastic arm is provided with a clamping convex part used for clamping and matching with the first socket.

6. The novel LC adapter of claim 1, wherein: the left side and the right side of the extending part are respectively provided with two convex ribs extending up and down, and the sliding groove is formed by clamping the two convex ribs.

7. The novel LC adapter of claim 1, wherein: the height of the novel LC adapter is less than or equal to 9.4 mm.

8. The novel LC adapter of claim 1, wherein: the front insertion component and the rear insertion component are buckled front and back and then are inserted into the frame body part from front to back together.

9. The novel LC adapter of claim 1, wherein: the extension portion is a left LC insertion core fixing sleeve and a right LC insertion core fixing sleeve which are mutually independent, and a fool-proof hollow groove extending forwards and backwards is formed in the LC insertion core fixing sleeve.

10. The novel LC adapter as claimed in claim 5, wherein: the frame body part is provided with a through elastic arm clamping groove for buckling and clamping the convex part.