CN111474635A

CN111474635A - Switching terminal assembly for optical fiber optical transmission

Info

Publication number: CN111474635A
Application number: CN202010318071.1A
Authority: CN
Inventors: 雷振兴
Original assignee: Hefei Zhirui Engineering Technology Co ltd
Current assignee: Hefei Zhirui Engineering Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-07-31

Abstract

The invention discloses a switching terminal assembly for optical fiber optical transmission, and relates to the technical field of optical transmission. The invention comprises a main support, a guide rail and a mounting seat, wherein support plates are respectively arranged on the top surface and the bottom surface of the main support, a first mounting hole is formed in each support plate, a clamping block and a clamping groove are respectively arranged at the upper end and the lower end of the side surface of the main support, the clamping block is matched with the clamping groove, a through groove is formed in the front surface of the main support, a side groove is formed in the side surface of the main support, and a strip-shaped through hole; the guide rail is fixed at the bottom of the main bracket. According to the adapter plug adapter, the clamping roller, the clamping frame and the lead screw are designed, so that optical fibers can be clamped during switching, the adapter is prevented from loosening, the connection quality is better, the height of the adapter plug adapter can be adjusted by designing the stud and the nut, the adapter terminal and the adapter terminal are conveniently integrated by designing the support plate, the first mounting hole, the fixture block and the clamping groove, and the practicability is higher.

Description

Switching terminal assembly for optical fiber optical transmission

Technical Field

The invention belongs to the technical field of optical transmission, and particularly relates to a switching terminal assembly for optical fiber optical transmission.

Background

Optical transmission is a technology for transmitting in an optical signal form between a sender and a receiver, and an optical transmission device is a device for converting various signals into optical signals and transmitting the optical signals on an optical fiber, so modern optical transmission devices generally use an optical fiber, and the common optical transmission devices include: the optical transceiver, optical MODEM, optical transceiver, optical switch, PDH, SDH, PTN, etc. type equipment, optical transmission need use the switching terminal in the connection process, but current switching terminal for optical transmission is adjusted inconveniently, and the optic fibre rocks easily, drops easily, and connection quality is relatively poor, therefore needs to improve prior art to solve above-mentioned problem.

Disclosure of Invention

The invention aims to provide a switching terminal assembly for optical fiber optical transmission, which solves the problems that the existing switching terminal for optical transmission is inconvenient to adjust, an optical fiber is easy to shake and drop by designing a clamping roller, a clamping frame, a screw rod, a stud and a nut and designing a support plate, a first mounting hole, a clamping block and a clamping groove.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a switching terminal assembly for optical fiber optical transmission, which comprises a main support, a guide rail and a mounting seat, wherein support plates are arranged on the top surface and the bottom surface of the main support, first mounting holes are formed in the support plates, a clamping block and a clamping groove are respectively arranged at the upper end and the lower end of the side surface of the main support, the clamping block is matched with the clamping groove, a through groove is formed in the front surface of the main support, a side groove is formed in the side surface of the main support, a strip-shaped through hole is formed in the side groove, the guide rail is fixed at the bottom of the main support, a second mounting hole is formed in the guide rail, the mounting seat is slidably arranged in the main support, a plug adapter is embedded in the center of the mounting seat and can be an MPO plug adapter, an ST plug adapter, an FC plug adapter, a L C plug adapter or an SC plug adapter, clamping rollers are arranged at the wire inlet position and the wire outlet position of the plug adapter and are fixed on the clamping frame, the clamping rollers are fixedly connected with a nut seat, the nut seat is movably sleeved on a screw rod, the screw rod is embedded in the mounting seat and supported by a first bearing seat, a first bevel gear is fixed on the end of the screw rod, a second bevel gear is meshed with a bevel gear, a fourth bevel gear fixed on the end of a screw head, a fourth bevel gear is arranged on the lower bevel gear, and a screw head is fixed on the mounting seat, a screw.

Furthermore, a stud is arranged on the side face of the mounting seat, penetrates through the strip-shaped through hole in the side face of the main support and is fixed through a nut, the nut is arranged in the side groove, and the end face of the stud is also arranged in the side groove.

Furthermore, the top of the main support is clamped with a marking plate, and the marking plate plays a role in distinguishing and distinguishing different types of optical transmission switching terminals.

Furthermore, the clamping blocks and the clamping grooves on the left side surface and the right side surface of the main support are opposite in direction, so that the two adjacent switching terminals can be conveniently buckled.

Furthermore, two clamping rollers are arranged at the wire inlet position and the wire outlet position of the plug adapter, and the connecting line midpoint of the two clamping rollers is flush with the end face midpoint of the plug adapter.

Furthermore, the upper surface and the lower surface of the plug adapter are supported by angle plates, the angle plates are fixed on the mounting seat, the angle plates are formed by integrally forming an arc-shaped plate and a flat plate, and the arc-shaped plate is matched with the plug adapter.

Furthermore, the lead screw is a bidirectional lead screw, the number of the nut seats is two, the two nut seats are symmetrically arranged on different turning directions of the bidirectional lead screw, the bidirectional lead screw can always ensure that the optical fiber is in the center of the plug adapter, the stress on two sides of the optical fiber is balanced, the optical fiber is not easy to damage, the service life of the optical fiber is prolonged, and the connection quality is better.

The invention has the following beneficial effects:

1. according to the invention, the clamping roller, the clamping frame, the nut seat, the screw rod, the first bevel gear, the second bevel gear, the rotating shaft, the third bevel gear, the fourth bevel gear and the screw head are arranged, so that the optical fiber can be clamped when the device is switched, the phenomenon that the connection is disconnected due to loosening of the joint is avoided, the screw rod is arranged into the bidirectional screw rod, the optical fiber can be always ensured to be in the center of the plug adapter, the two sides of the optical fiber are stressed in a balanced manner, the optical fiber is not easy to damage, the service life of the optical fiber is prolonged, and.

2. According to the invention, the height of the adapter plug adapter can be adjusted by arranging the mounting seat, the stud, the nut, the through groove, the side groove and the strip-shaped through hole, so that the adapter plug adapter can meet the use requirements in different occasions, the practicability is stronger, the nut is loosened during adjustment, the mounting seat is manually moved to a required position, the stud moves along the strip-shaped through hole at the moment, and the nut is screwed.

3. The support plate, the first mounting hole, the clamping block and the clamping groove are arranged, so that the switching terminal and the switching terminal are conveniently integrated, a plurality of switching terminals are fixed into a whole, and a plurality of optical fibers can be switched simultaneously.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a front view of the mounting base of the present invention;

FIG. 4 is a side view of the present invention;

FIG. 5 is a schematic view of the internal structure of the mounting base of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a main support; 2. a guide rail; 3. a mounting seat; 4. a stud; 5. a nut; 6. a marking plate; 101. a support plate; 102. a first mounting hole; 103. a clamping block; 104. a card slot; 105. a through groove; 106. a side groove; 107. a strip-shaped through hole; 201. a second mounting hole; 301. a plug adapter; 302. a gusset; 303. a pinch roller; 304. a clamping frame; 305. a nut seat; 306. a screw rod; 307. a first bearing housing; 308. a first bevel gear; 309. a second bevel gear; 310. a rotating shaft; 311. a second bearing housing; 312. a third bevel gear; 313. a fourth bevel gear; 314. and (4) a screw head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention is a switching terminal assembly for optical fiber optical transmission, including a main bracket 1, a guide rail 2 and a mounting seat 3, wherein a support plate 101 is disposed on both the top surface and the bottom surface of the main bracket 1, a first mounting hole 102 is disposed on the support plate 101, a clamping block 103 and a clamping groove 104 are disposed at the upper and lower ends of the side surface of the main bracket 1, respectively, the clamping block 103 is matched with the clamping groove 104, and the clamping block 103 and the clamping groove 104 on the left and right side surfaces of the main bracket 1 are opposite in orientation, the two switching terminals are fastened together by matching the clamping block 103 with the clamping groove 104, and then the two support plates 101 are fixed together by bolts, so that the two switching terminals can be fixed into a whole, so that a plurality of optical fibers can be switched simultaneously, the switching efficiency is improved, a through groove 105 is disposed on the front surface, the side surface of the main support 1 is provided with a side groove 106, the side groove 106 is internally provided with a strip-shaped through hole 107, and the top of the main support 1 is clamped with the marking plate 6.

Referring to fig. 1, a guide rail 2 is fixed to the bottom of the main bracket 1, and a second mounting hole 201 is formed in the guide rail 2.

Referring to fig. 3-5, an installation base 3 is slidably disposed in a main support 1, a plug adapter 301 is embedded in the center of the installation base 3, two clamping rollers 303 are disposed at the wire inlet and the wire outlet of the plug adapter 301, the middle point of the connection line of the two clamping rollers 303 is flush with the middle point of the end surface of the plug adapter 301, the clamping rollers 303 are fixed on a clamping frame 304, the clamping frame 304 is fixedly connected with a nut base 305, the nut base 305 is movably sleeved on a screw rod 306, the screw rod 306 is embedded in the installation base 3 and supported by a first bearing base 307, a first bevel gear 308 is fixed at the end of the screw rod 306, the first bevel gear 308 is engaged with a second bevel gear 309, the second bevel gear 309 is fixedly sleeved at the end of a rotating shaft 310, the rotating shaft 310 is also disposed in the installation base 3 and supported by a second bearing base 311, the middle part of the rotating shaft 310 is fixedly sleeved with a third bevel gear 312, the third bevel gear 312 is engaged with a fourth bevel gear 313, the fourth bevel gear 313 is fixedly sleeved at the end part of a screw head 314, the screw head 314 is rotationally arranged on the surface of the mounting seat 3, when an optical fiber needs to be clamped, the screw head 314 is rotated by a screwdriver, the screw head 314 drives the fourth bevel gear 313 to rotate, the fourth bevel gear 313 drives the third bevel gear 312 to rotate, the third bevel gear 312 drives the rotating shaft 310 to rotate, the rotating shaft 310 drives the second bevel gear 309 to rotate, the second bevel gear 309 drives the first bevel gear 308 to rotate, the first bevel gear 308 drives the screw rod 306 to rotate, the screw rod 306 drives the two nut seats 305 to move, the two nut seats 305 drive the two clamping frames 304 to move, and the two clamping frames 304 further drive the two clamping rollers 303 to move to clamp.

Referring to fig. 1, a stud 4 is disposed on a side surface of the mounting base 3, the stud 4 passes through a strip-shaped through hole 107 on a side surface of the main support 1 and is fixed by a nut 5, the nut 5 is disposed in a side groove 106, and an end surface of the stud 4 is also disposed in the side groove 106, the mounting base 3, the stud 4, the nut 5, the through groove 105, the side groove 106, and the strip-shaped through hole 107 are disposed such that a height of the adapter plug adapter 301 is adjustable, thereby adapting to use requirements in different occasions, and during adjustment, the nut 5 is loosened, the mounting base 3 is manually moved to a desired position, and at this time, the stud 4 is moved along the strip-shaped through hole 107, and the nut 5 is tightened.

Referring to fig. 3, the upper and lower surfaces of the plug adapter 301 are supported by the angle plate 302, the angle plate 302 is fixed on the mounting seat 3, and the plug adapter 301 can be further fixed by the angle plate 302, so as to prevent the plug adapter 301 from loosening and falling off.

Referring to fig. 5, the lead screw 306 is a bidirectional lead screw, two nut seats 305 are arranged, the two nut seats 305 are symmetrically arranged on different turning directions of the bidirectional lead screw, and the arrangement of the bidirectional lead screw enables the two nut seats 305 to move simultaneously, so that the optical fiber clamped by the two clamping rollers 303 can be always ensured to be in the center of the plug adapter 301, the two sides of the optical fiber are stressed uniformly, and the connection quality is better.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A switching terminal subassembly for optic fibre optical transmission, includes main support (1), guide rail (2) and mount pad (3), all be provided with extension board (101) on the top surface of main support (1) and the bottom surface, its characterized in that:

a first mounting hole (102) is formed in the support plate (101), a clamping block (103) and a clamping groove (104) are respectively arranged at the upper end and the lower end of the side surface of the main support (1), the clamping block (103) is matched with the clamping groove (104), a through groove (105) is formed in the front surface of the main support (1), a side groove (106) is formed in the side surface of the main support (1), and a strip-shaped through hole (107) is formed in the side groove (106);

the guide rail (2) is fixed at the bottom of the main bracket (1), and a second mounting hole (201) is formed in the guide rail (2); the mounting seat (3) is arranged in the main bracket (1) in a sliding way,

the positive center embedding of mount pad (3) is provided with plug adapter (301), the inlet wire department and the department of being qualified for the next round of competitions of plug adapter (301) all are provided with pinch roller (303), pinch roller (303) are fixed on clamping frame (304), clamping frame (304) and nut seat (305) fixed connection, nut seat (305) activity cover is established on lead screw (306), lead screw (306) embedding sets up in mount pad (3) and supports through first bearing frame (307), the end fixing of lead screw (306) has first bevel gear (308), first bevel gear (308) and second bevel gear (309) mesh mutually, the fixed cover of second bevel gear (309) is established at the tip of pivot (310), pivot (310) also set up down in mount pad (3) and support through second bearing frame (311), the fixed cover in middle part of pivot (310) is equipped with third bevel gear (312), the third bevel gear (312) is meshed with a fourth bevel gear (313), the fourth bevel gear (313) is fixedly sleeved at the end part of a screw head (314), and the screw head (314) is rotatably arranged on the surface of the mounting seat (3).

2. A transition terminal assembly for optical fiber transmission according to claim 1, characterized in that the side of the mounting seat (3) is provided with a stud (4), the stud (4) passes through a strip-shaped through hole (107) on the side of the main bracket (1) and is fixed by a nut (5), the nut (5) is arranged in a side groove (106), and the end face of the stud (4) is also arranged in the side groove (106).

3. A transition terminal assembly for optical fibre transmission according to claim 1, characterised in that the top card of the main support (1) carries a marker plate (6).

4. A transition terminal assembly for optical fiber transmission according to claim 1, wherein the orientations of the latch block (103) and the latch slot (104) on the left and right sides of the main bracket (1) are opposite.

5. A transition terminal assembly for optical fibre transmission according to claim 1, characterised in that two pinch rollers (303) are provided at the inlet and outlet of the plug adapter (301), and the midpoint of the line between the two pinch rollers (303) is flush with the midpoint of the end face of the plug adapter (301).

6. A transition terminal assembly for optical fibre transmission according to claim 1, characterised in that the upper and lower surfaces of the plug adapter (301) are each supported by an angle plate (302), the angle plate (302) being fixed to the mounting seat (3).

7. A transit terminal assembly for optical fibre transmission according to claim 1, characterised in that said screw (306) is provided as a bidirectional screw, said nut seats (305) are provided in two, said two nut seats (305) being symmetrically arranged in different directions of rotation of the bidirectional screw.