CN215340427U

CN215340427U - Low-dispersion single-mode optical fiber

Info

Publication number: CN215340427U
Application number: CN202121259837.XU
Authority: CN
Inventors: 杨超
Original assignee: Shenzhen Owire Communication Technology Co ltd
Current assignee: Shenzhen Owire Communication Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-28
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a low dispersion single mode fiber, which structurally comprises an outer sheath and a clamping and fixing device, wherein the clamping and fixing device is arranged, namely a push rod is pushed downwards, so that a clamping block and an anti-slip pad arranged at the lower end of the push rod are attached to external equipment, the anti-slip pad is firmly attached under the elastic force of a pressure spring in the clamping block, a threaded block rotates along with a stud under the driving of a locking assembly at the middle end in the push rod, the pushing of a front side guide rod is realized, and a locking block rotationally connected with the guide rod can be inserted into a locking groove formed in a connecting ring along with the threaded block, so that the clamping and locking activities are realized, the clamping and fixing with the external equipment are firmly ensured, and the advantage of enhancing the connection firmness of the fiber and the external equipment is achieved.

Description

Low-dispersion single-mode optical fiber

Technical Field

The utility model relates to the technical field of single mode fibers, in particular to a low-dispersion single mode fiber.

Background

Single-mode fiber: the central glass core is very thin (the core diameter is generally 9 or 10 μm), and only one mode of optical fiber can be transmitted, so that the intermodal dispersion is very small, and the optical fiber is suitable for remote communication, but material dispersion and waveguide dispersion exist, so that the single mode optical fiber has higher requirements on the spectral width and stability of a light source, namely the spectral width is narrow and the stability is good, and the low-dispersion single mode optical fiber has lower dispersion in a larger wavelength range, and can solve the problem of system transmission performance caused by dispersion.

At present, when the low-dispersion single-mode optical fiber is used, the connection part of the optical fiber and external equipment needs to be installed manually, and when the optical fiber and the external equipment are installed manually, the connection part is loose due to the fact that the optical fiber and the external equipment are connected easily and insecure, and therefore transmission efficiency of the optical fiber to data is affected.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects of the prior art, the low-dispersion single-mode fiber is provided, the problem that the joint is not firm due to the fact that the optical fiber is easily connected with external equipment and the joint is not firm when the low-dispersion single-mode fiber is used is solved, and therefore the problem that the transmission efficiency of the optical fiber for data is influenced, and the effect that the firmness of connection of the optical fiber and the external equipment is strengthened is achieved.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a low-dispersion single-mode optical fiber, which comprises an outer sheath and a clamping and fixing device, wherein the rear side of the outer sheath is connected with a wiring terminal, a corrugated steel strip is inserted in the front end of the outer sheath, the middle end in the corrugated steel strip is connected with an optical fiber main body, steel wires are oppositely arranged on the left side and the right side of the corrugated steel strip, the clamping and fixing device is arranged on the outer side of the front end of the outer sheath and comprises a connecting ring, a push rod, a turn button, a clamping block, an anti-skid pad, a connecting shaft, a pressure spring and a locking assembly, the connecting ring is tightly connected with the outer side of the front end of the outer sheath, the push rod is connected with the front side of the connecting ring in a sliding manner, the upper end of the push rod is connected with the turn button in a rotating manner, the lower end of the push rod is fixedly connected with the clamping block, the lower end of the clamping block is provided with the anti-skid pad, the connecting shaft is connected with the clamping block in a sliding manner, and the upper end of the connecting shaft is attached to the pressure spring, and the pressure spring is arranged in the lower end of the clamping block, and the locking assembly is arranged at the middle end in the push rod.

Further, the locking subassembly includes double-screw bolt, screw block, guide arm, locking block and locking groove, the double-screw bolt rotates to be connected in the inside middle-end of push rod to the double-screw bolt upper end is connected with the turn button, screw block and double-screw bolt lower extreme threaded connection to screw block front end rotates and is connected with the guide arm, the guide arm is kept away from screw block one side and is rotated with the locking block and be connected to the locking block left side is pegged graft mutually with the locking groove, the locking groove is seted up inside the go-between front side.

Furthermore, the push rod, the rotating button, the clamping blocks, the non-slip mat, the connecting shaft and the pressure spring are all provided with three groups along the front side of the connecting ring at equal intervals, and the outer surface of the push rod is smooth.

Furthermore, the bottom of the clamping block is arc-shaped, and two connecting shafts are symmetrically arranged at the left and right sides of the lower end of the clamping block.

Furthermore, the non-slip mat, the connecting shaft and the pressure spring are arranged in the same vertical straight line, and the shape of the bottom of the non-slip mat is consistent with that of the clamping block and is arc-shaped.

Furthermore, the stud is vertically arranged along the inner part of the push rod, and the lower end of the stud is provided with an external thread in an opposite state.

Furthermore, the thread block and the guide rod are symmetrically arranged up and down along the lower end of the stud, and internal threads are arranged inside the thread block and are in threaded connection with the stud.

Furthermore, the whole locking block is cuboid, and the locking block is connected with the left side of the middle of the push rod in a sliding mode.

Furthermore, the stud is made of stainless steel.

Furthermore, the guide rod is made of carbon steel.

(III) advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

according to the low-dispersion single-mode optical fiber, the clamping fixing device is arranged, namely the push rod is pushed down, so that the clamping block and the anti-slip pad arranged at the lower end of the push rod are attached to external equipment, meanwhile, the anti-slip pad is firmly attached under the elastic force of the pressure spring in the clamping block, the threaded block rotates along with the stud under the driving of the locking assembly at the middle end in the push rod, the front side guide rod is pushed, the locking block rotatably connected with the guide rod can be inserted into the locking groove formed in the connecting ring, clamping and locking activities are further realized, the clamping and fixing with the external equipment are guaranteed to be firm, and therefore the advantage that the firmness of connection between the optical fiber and the external equipment is enhanced is achieved.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

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

FIG. 3 is a schematic front sectional view of the clamping fixture of the present invention;

FIG. 4 is an enlarged schematic view of the clamping fixture A of the present invention;

FIG. 5 is a front cross-sectional view of the locking assembly of the present invention;

fig. 6 is a perspective view of the locking assembly of the present invention.

In the figure: the cable comprises an outer sheath-1, a terminal-2, a corrugated steel strip-3, an optical fiber main body-4, a steel wire-5, a clamping and fixing device-6, a connecting ring-61, a push rod-62, a turn button-63, a clamping block-64, an anti-slip pad-65, a connecting shaft-66, a pressure spring-67, a locking component-68, a stud-681, a thread block-682, a guide rod-683, a locking block-684 and a locking groove-685.

Detailed Description

The present invention will be described in detail below with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 and 2, the present invention provides a low dispersion single mode optical fiber by improvement, which includes an outer sheath 1 and a clamping and fixing device 6, wherein the rear side of the outer sheath 1 is connected with a terminal 2, a corrugated steel strip 3 is inserted into the front end of the outer sheath 1, the middle end of the corrugated steel strip 3 is connected with an optical fiber main body 4, and the left and right sides of the corrugated steel strip 3 are oppositely provided with steel wires 5.

Referring to fig. 3 and 4, the present invention provides a low dispersion single mode optical fiber, wherein a clamping and fixing device 6 is disposed at the outer side of the front end of an outer sheath 1, the clamping and fixing device 6 includes a connecting ring 61, a push rod 62, a rotating button 63, a clamping block 64, an anti-slip pad 65, a connecting shaft 66, a compression spring 67 and a locking assembly 68, the connecting ring 61 is tightly connected to the outer side of the front end of the outer sheath 1, the push rod 62 is slidably connected to the front side of the connecting ring 61, so that the clamping component is firmly mounted through the connecting ring 61, the rotating button 63 is rotatably connected to the upper end of the push rod 62, the clamping block 64 is fixedly connected to the lower end of the push rod 62, so that the push rod 62 realizes pushing and supporting activities, the anti-slip pad 65 is disposed at the lower end of the clamping block 64, the upper end of the anti-slip pad 65 is slidably connected to the clamping block 64 through the connecting shaft 66, so that the clamping block 64 cooperates with the anti-slip pad 65 to realize stable clamping activities, the upper end of the connecting shaft 66 is engaged with the compression spring 67, and the compression spring 67 is arranged inside the lower end of the clamping block 64, so that the firm fit between the anti-skid pad 65 and external equipment is ensured through the compression spring 67, the locking assembly 68 is arranged at the middle end inside the push rod 62, so that the clamping and locking activities are realized through the locking assembly 68, three groups of push rods 62, the rotating buttons 63, the clamping blocks 64, the anti-skid pads 65, the connecting shafts 66 and the pressure springs 67 are all arranged along the front side of the connecting ring 61 at equal intervals, the outer surface of the push rod 62 is smooth, so that the external equipment can be clamped and fixed at multiple positions, the bottom of the clamping block 64 is arc-shaped, and the left and right of the lower end of the clamping block 64 are symmetrically provided with two connecting shafts 66, so that the clamping block 64 is better matched and clamped with the non-slip mat 65, the connecting shafts 66 and the pressure spring 67 are vertically arranged in the same straight line, and the shape of the bottom of the non-slip mat 65 is consistent with that of the clamping block 64 and is arc-shaped, so that the non-slip mat 65 can ensure the firmness of the clamping movement.

Referring to fig. 5 and 6, the present invention provides a low dispersion single mode optical fiber by improving a locking assembly 68 including a stud 681, a thread block 682, a guide 683, a locking block 684 and a locking groove 685, wherein the stud 681 is rotatably connected to the inner middle end of the push rod 62, the upper end of the stud 681 is connected to the knob 63, so that the stud 681 performs a stable driving motion, the thread block 682 is threadedly connected to the lower end of the stud 681, and the front end of the thread block 682 is rotatably connected to the guide 683, so that the thread block 682 performs a moving driving motion with the stud 681, the guide 683 is rotatably connected to the locking block 684 on the side away from the thread block 682, and the locking groove 685 is inserted on the left side of the locking block 684, so that a clamping and locking motion is performed by the locking block 684 and the

locking groove

685, 685 is opened inside the front side of the

connection ring

61, 681 is vertically arranged along the inner portion of the push rod 62, and the lower end of the stud 681 is provided with an external thread in the opposite state, the double-screw bolt 681 is enabled to realize clamping driving movement, the thread block 682 and the guide rod 683 are symmetrically arranged up and down along the lower end of the double-screw bolt 681, internal threads are arranged inside the thread block 682 and are in threaded connection with the double-screw bolt 681, stable driving movement is achieved between the thread block 682 and the guide rod 683, the locking block 684 is integrally rectangular, the locking block 684 is in sliding connection with the left side of the middle of the push rod 62, movement and locking smoothness of the locking block 684 is guaranteed, the double-screw bolt 681 is made of stainless steel, and the guide rod 683 is made of carbon steel.

This patent the pressure spring 67: the spring is a spiral spring bearing pressure, the section of the material used by the spring is mostly circular, and the spring is also rolled by rectangular and multi-strand steel ropes, the spring is generally equidistant, and the shape of the compression spring is as follows: the compression spring is cylindrical, conical, convex and concave, and a small number of non-circular shapes, and the like, a certain gap is reserved between the rings of the compression spring, and the compression spring contracts and deforms when subjected to external load, so that deformation energy is stored.

The working principle of the low-dispersion single-mode optical fiber is as follows;

firstly, a worker can realize quick electric connection activity through a wiring terminal 2 arranged at the rear side of an outer sheath 1, then the outer sheath 1 is pushed, a corrugated steel belt 3 arranged at the front end of the outer sheath 1 is spliced with external equipment, and an optical fiber main body 4 and a steel wire 5 which are arranged at the middle end in the corrugated steel belt 3 and are opposite to the left side and the right side are connected with the external equipment, so that the quick connection of the single-mode optical fiber can be realized, and the optical fiber main body 4 has lower dispersion in a larger wavelength range, so that the problem of system transmission performance caused by dispersion can be well solved, and the stable use of the external equipment is ensured;

secondly, when the low-dispersion single-mode optical fiber is used, the connection between the optical fiber and external equipment needs to be installed manually, and when the optical fiber is installed manually, the connection between the optical fiber and the external equipment is easy to loose, so that the transmission efficiency of the optical fiber to data is influenced;

thirdly, the clamping and fixing device 6 is arranged on the outer side of the front end of the outer sheath 1, so that after the corrugated steel strip 3 is inserted into an external device, a user can push the rotating button 63 rotatably connected with the upper end of the push rod 62, so that the push rod 62 pushes the clamping block 64 arranged at the lower end downwards to move downwards with the non-slip mat 65, the non-slip mat 65 can be contacted and attached to the external device, and meanwhile, in order to ensure the firm contact between the non-slip mat 65 and the external device, the non-slip mat 65 is tightly attached to the external device under the elastic force of the pressure spring 67 through the pressure spring 67 arranged in the lower end of the clamping block 64;

fourthly, when the clamping movement is completed, the rotating button 63 is rotated to drive the locking component 68 arranged at the middle end inside the push rod 62 by the rotating button 63, so as to realize the clamping and locking movement, that is, the stud 681 provided inside the locking assembly 68, rotates synchronously with the knob 63, and when the stud 681 rotates clockwise, the thread block 682 of the threaded connection at the lower end of the stud 681 can move relatively to the middle of the lower end of the stud 681, the guide rod 683 rotatably connected with the front end of the thread block 682 can tilt along with the rotation to realize the left push of the locking block 684 connected with the left side, when the locking block 684 is moved leftward with the guide rod 683 into the locking groove 685 formed in the interior of the connection ring 61, a clamping and locking action can be achieved, and then can guarantee that grip block 64 and slipmat 65 and external equipment centre gripping are fixed firm, avoid when artificial installation optic fibre and external equipment junction not hard up, influence data transmission efficiency to the advantage that optic fibre and external equipment firm in connection nature are strengthened has been reached.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A low-dispersion single-mode optical fiber comprises an outer sheath (1), wherein the rear side of the outer sheath (1) is connected with a wiring terminal (2), a corrugated steel strip (3) is inserted into the front end of the outer sheath (1), the middle end in the corrugated steel strip (3) is connected with an optical fiber main body (4), and steel wires (5) are oppositely arranged on the left side and the right side of the corrugated steel strip (3); the method is characterized in that: the clamping device comprises a clamping fixing device (6), the clamping fixing device (6) is arranged on the outer side of the front end of an outer sheath (1), the clamping fixing device (6) comprises a connecting ring (61), a push rod (62), a rotating button (63), a clamping block (64), an anti-slip pad (65), a connecting shaft (66), a pressure spring (67) and a locking assembly (68), the connecting ring (61) is fixedly connected with the outer side of the front end of the outer sheath (1) in a fastening mode, the push rod (62) is connected with the front side of the connecting ring (61) in a sliding mode, the rotating button (63) is connected with the upper end of the push rod (62) in a rotating mode, the clamping block (64) is fixedly connected with the lower end of the push rod (62), the anti-slip pad (65) is arranged at the lower end of the clamping block (64), the upper end of the anti-slip pad (65) is connected with the clamping block (64) in a sliding mode through the connecting shaft (66), the upper end of the connecting shaft (66) is attached to the pressure spring (67), and the pressure spring (67) is arranged inside the lower end of the clamping block (64), and the locking component (68) is arranged inside the middle end of the push rod (62).

2. A low dispersion, single mode optical fiber according to claim 1, wherein: the locking assembly (68) comprises a stud (681), a thread block (682), a guide rod (683), a locking block (684) and a locking groove (685), the stud (681) is rotatably connected to the inner middle end of the push rod (62), the upper end of the stud (681) is connected with a rotating button (63), the thread block (682) is in threaded connection with the lower end of the stud (681), the front end of the thread block (682) is rotatably connected with the guide rod (683), one side of the guide rod (683) far away from the thread block (682) is rotatably connected with the locking block (684), the left side of the locking block (684) is spliced with the locking groove (685), and the locking groove (685) is arranged inside the front side of the connecting ring (61).

3. A low dispersion, single mode optical fiber according to claim 1, wherein: the push rod (62), the rotating button (63), the clamping block (64), the anti-slip pad (65), the connecting shaft (66) and the pressure spring (67) are all arranged in three groups along the front side of the connecting ring (61) at equal intervals, and the outer surface of the push rod (62) is smooth.

4. A low dispersion, single mode optical fiber according to claim 1, wherein: the bottom of the clamping block (64) is arc-shaped, and two connecting shafts (66) are symmetrically arranged at the left and right sides of the lower end of the clamping block (64).

5. A low dispersion, single mode optical fiber according to claim 1, wherein: the anti-skid pad (65), the connecting shaft (66) and the pressure spring (67) are arranged in the same vertical straight line, and the bottom of the anti-skid pad (65) is in the shape of an arc consistent with that of the clamping block (64).

6. A low dispersion, single mode optical fiber according to claim 2, wherein: the stud (681) is vertically arranged along the inner part of the push rod (62), and the lower end of the stud (681) is provided with external threads in an opposite state.

7. A low dispersion, single mode optical fiber according to claim 2, wherein: the thread block (682) and the guide rod (683) are symmetrically arranged up and down along the lower end of the stud (681), and internal threads are arranged inside the thread block (682) and are in threaded connection with the stud (681).

8. A low dispersion, single mode optical fiber according to claim 2, wherein: the whole locking block (684) is in a cuboid shape, and the locking block (684) is connected with the left side of the middle of the push rod (62) in a sliding mode.