Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The present invention has been made in view of the above-mentioned and/or existing problems with flexible optical fiber ribbon cables.
Therefore, the present invention is to solve the problems that the existing optical cable is easy to reset due to the strong elasticity of the outer insulation layer during installation, and is inconvenient for the staff to install the optical cable, and the optical cable has a minimum bending radius, the bending degree is smaller than the minimum bending radius allowed during installation, and if the optical cable is excessively bent, the optical fiber is damaged and the signal transmission is affected.
In order to solve the technical problems, the invention provides the following technical scheme: the flexible variable optical fiber ribbon cable comprises a transmission assembly, wherein the transmission assembly comprises an optical fiber, a protective sleeve, a woven sleeve, woven cloth, a protective sleeve and insulating rubber, the protective sleeve is positioned on the surface of the optical fiber, the woven sleeve is positioned on the surface of the protective sleeve, the woven cloth is positioned on the surface of the woven sleeve, the protective sleeve is positioned on the surface of the woven cloth, and the insulating rubber is arranged on the surface of the protective sleeve; the method comprises the steps of,
the adjusting component is arranged on the insulating rubber and comprises a fixing piece, a pulling piece, a guiding piece, a winding piece, an adjusting piece and a limiting piece, wherein the fixing piece is arranged on the surface of the protective sleeve, the pulling piece is arranged in the fixing piece, the guiding piece is arranged on the surface of the insulating rubber, the winding piece is arranged on the surface of the insulating rubber, the adjusting piece is arranged on the surface of the winding piece, and the limiting piece is arranged on the surface of the insulating rubber.
As a preferred embodiment of the flexible optical fiber ribbon cable according to the present invention, wherein: the fixing piece comprises a supporting ring, a sleeve, a fixing ring and a positioning ring, wherein the supporting ring is positioned on the surface of the protective sleeve, the sleeve is arranged in the supporting ring, the fixing ring is positioned on one side of the supporting ring, and the positioning ring is arranged on the surface of the protective sleeve.
As a preferred embodiment of the flexible optical fiber ribbon cable according to the present invention, wherein: the traction piece comprises an adapter ring, a pull rope, a guide pipe and a connecting pipe, wherein the adapter ring is arranged on the surface of the protective sleeve, the pull rope is arranged in the sleeve, the guide pipe is positioned in the adapter ring, and the connecting pipe is arranged at the end part of the guide pipe.
As a preferred embodiment of the flexible optical fiber ribbon cable according to the present invention, wherein: the guide piece comprises a limiting ring and a guide pillar, wherein the limiting ring is positioned on the surface of the insulating rubber, and the guide pillar is arranged on the surface of the limiting ring.
As a preferred embodiment of the flexible optical fiber ribbon cable according to the present invention, wherein: the guide piece further comprises a support shaft and a guide wheel, wherein the support shaft is arranged in the guide strut, and the guide wheel is positioned on the surface of the support shaft.
As a preferred embodiment of the flexible optical fiber ribbon cable according to the present invention, wherein: the winding piece comprises a positioning ring and a winding sleeve, wherein the positioning ring is arranged on the surface of the insulating rubber, and the winding sleeve is positioned on the surface of the positioning ring.
As a preferred embodiment of the flexible optical fiber ribbon cable according to the present invention, wherein: the winding piece further comprises a baffle and a shifting block, wherein the baffle is positioned in the winding sleeve, and the shifting block is arranged on one side of the guide strut.
As a preferred embodiment of the flexible optical fiber ribbon cable according to the present invention, wherein: the adjusting piece comprises an adjusting wheel, a limiting sleeve and a positioning sleeve, wherein the adjusting wheel is arranged on the surface of the winding sleeve, the limiting sleeve is positioned on the surface of the adjusting wheel, and the positioning sleeve is arranged on the surface of the limiting sleeve.
As a preferred embodiment of the flexible optical fiber ribbon cable according to the present invention, wherein: the limiting piece comprises a limiting shaft and a positioning spring, wherein the limiting shaft is arranged in the positioning sleeve, and the positioning spring is positioned on one side of the positioning sleeve.
As a preferred embodiment of the flexible optical fiber ribbon cable according to the present invention, wherein: the limiting piece further comprises a supporting rod and a supporting sleeve, the supporting rod is arranged at the end part of the limiting shaft, and the supporting sleeve is positioned on the surface of the insulating rubber.
The invention has the beneficial effects that: the optical cable can be bent at any angle through the adjusting component, and the bent angle is fixed, so that workers can conveniently install the optical cable, and meanwhile, the optical cable can be prevented from being excessively bent, so that the optical fiber is damaged.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 12, in a first embodiment of the present invention, a flexible optical fiber ribbon cable is provided, which includes a transmission assembly 100 and an adjustment assembly 200, the transmission assembly 100 is used for transmitting signals, the adjustment assembly 200 is used for adjusting a bending angle of the optical fiber cable, and the bent angle is fixed, so that a worker can install the optical fiber cable conveniently, and the optical fiber cable can be prevented from being excessively bent to cause damage to the optical fiber.
Specifically, the transmission assembly 100 includes an optical fiber 101, a protective sleeve 102, a woven sleeve 103, a woven cloth 104, a protective sleeve 105 and an insulating rubber 106, wherein the protective sleeve 102 is located on the surface of the optical fiber 101, the woven sleeve 103 is located on the surface of the protective sleeve 102, the woven cloth 104 is arranged on the surface of the woven sleeve 103, the protective sleeve 105 is located on the surface of the woven cloth 104, and the insulating rubber 106 is arranged on the surface of the protective sleeve 105.
The optical fiber 101 is used for transmitting signals, the protective sleeve 102 is used for wrapping and protecting the optical fiber 101, the protective sleeve 102 is made of polypropylene, scratch, chemical corrosion and other damages are prevented from being caused on the surface of the optical fiber, the weaving sleeve 103 is a metal weaving layer, the interference of the outside on the optical fiber transmission can be reduced, accordingly, the anti-interference capability and the signal quality of the optical fiber are improved, the spun cloth 104 can play a role of buffering and protecting the optical fiber, the optical fiber is prevented from being broken or damaged due to the influence of external mechanical pressure, shearing force and the like, the protective sleeve 105 is used for fixing the spun cloth 104, the insulating rubber 106 is a protective sleeve layer, the protective sleeve layer is mainly used for protecting the whole optical fiber from being influenced by mechanical damage, moisture, dust and other pollutants, the protective sleeve layer can play the roles of buffering, compression resistance and isolation, the optical fiber can be better adapted to various complex environmental conditions, meanwhile, the cost of maintaining and replacing the optical fiber can be reduced, in addition, the color and the mark of the protective sleeve layer can be used for distinguishing the optical fiber with different types or different purposes, the optical fiber can be used and maintained conveniently, but the protective sleeve layer has stronger rebound resilience when the optical fiber is also used for being installed.
The adjusting component 200 is arranged on the insulating rubber 106 and comprises a fixing piece 201, a pulling piece 202, a guiding piece 203, a rolling piece 204, an adjusting piece 205 and a limiting piece 206, wherein the fixing piece 201 is arranged on the surface of the protective sleeve 105, the pulling piece 202 is arranged in the fixing piece 201, the guiding piece 203 is arranged on the surface of the insulating rubber 106, the rolling piece 204 is arranged on the surface of the insulating rubber 106, the adjusting piece 205 is arranged on the surface of the rolling piece 204, and the limiting piece 206 is arranged on the surface of the insulating rubber 106.
The fixing piece 201 is used for fixing the pulling piece 202 on the surface of the protective sleeve 105, the pulling piece 202 can be pulled to drive the optical cable to bend, the guiding piece 203 is used for guiding the pulling piece 202, the winding piece 204 is convenient for winding the pulling piece 202, the adjusting piece 205 can drive the winding piece 204 to rotate, the winding piece 204 drives the pulling piece 202 to stretch and retract, the optical cable is controlled to bend, and the limiting piece 206 is used for limiting the adjusting piece 205, so that the bent optical cable is prevented from rebounding.
Specifically, the fixing member 201 includes a supporting ring 201a, a sleeve 201b, a fixing ring 201c and a positioning ring 201d, the supporting ring 201a is located on the surface of the protecting sleeve 105, the sleeve 201b is disposed in the supporting ring 201a, the fixing ring 201c is located on one side of the supporting ring 201a, and the positioning ring 201d is disposed on the surface of the protecting sleeve 105.
The number of the supporting rings 201a is multiple, the supporting rings 201a are all fixed on the surface of the protecting sleeve 105, the number of the sleeves 201b is four, the sleeves 201b are all slid in the supporting rings 201a, anti-falling structures are arranged at the end parts of the sleeves 201b, the sleeves 201b are prevented from being separated from the supporting rings 201a when the traction piece 202 moves, the fixing rings 201c are fixed on one side of the supporting rings 201a and are simultaneously fixed on the surface of the protecting sleeve 105, and the end parts of the sleeves 201b are clamped, so that the sleeves 201b are fixed.
Specifically, the pulling member 202 includes an adapter ring 202d, a pull rope 202a, a conduit 202b and a connecting pipe 202c, the adapter ring 202d is disposed on the surface of the protecting jacket 105, the pull rope 202a is disposed in the sleeve 201b, the conduit 202b is disposed in the adapter ring 202d, and the connecting pipe 202c is disposed at the end of the conduit 202 b.
The adapter ring 202d is fixed on the surface of the protective sleeve 105, four stay ropes 202a are all slid in the sleeve 201b, the end parts of the stay ropes 202a are provided with anti-falling structures, the end parts of the stay ropes 202a can be fixed through clamping of the fixing rings 201c and the sleeve 201b, the supporting rings 201a on one side of the fixing rings 201c can be pulled through pulling the stay ropes 202a, so that the supporting rings 201a drive the optical cables to bend, the guide pipes 202b are fixed in the adapter ring 202d, the number of the guide pipes 202b in the adapter ring 202d is four, the end parts of the guide pipes 202b are circumferentially distributed, the end parts of the guide pipes 202b are connected with the end parts of the sleeve 201b, the insulation rubber 106 is prevented from being poured into the sleeve 201b, the stay ropes 202a are fixed, the stay ropes 202a cannot control the supporting rings 201a, and the guide pipes 202b are internally provided with sealing structures, and water is prevented from entering the insulation rubber 106 through the guide pipes 202 b.
Specifically, the guide member 203 includes a stopper ring 203a and a guide post 203b, the stopper ring 203a is located on the surface of the insulating rubber 106, and the guide post 203b is disposed on the surface of the stopper ring 203 a.
The limiting ring 203a is fixed on the surface of the insulating rubber 106, the guide support posts 203b are fixed on the surface of the limiting ring 203a, and the number of the guide support posts 203b is four, and two guide support posts are arranged in each group for guiding and supporting the pull rope 202 a.
Specifically, the guide member 203 further includes a support shaft 203c and a guide wheel 203d, the support shaft 203c is disposed in the guide strut 203b, and the guide wheel 203d is disposed on the surface of the support shaft 203 c.
The supporting shaft 203c is rotatably connected in the guiding support 203b, the guiding wheels 203d are fixed on the surface of the supporting shaft 203c, and one stay cord 202a is limited by two guiding wheels 203d, so that the stay cord can be wound by the winding piece 204, four groups of guiding wheels 203d are provided, two groups of guiding wheels are uniformly distributed on the surface of the optical cable in circumference, and the directions of two adjacent groups of guiding wheels 203d are staggered.
Example 2
Referring to fig. 6, 7 and 11, a second embodiment of the present invention is based on the previous embodiment.
Specifically, the winding member 204 includes a positioning ring 204a and a winding sleeve 204b, the positioning ring 204a is disposed on the surface of the insulating rubber 106, and the winding sleeve 204b is disposed on the surface of the positioning ring 204 a.
The number of the positioning rings 204a is two, the two positioning rings 204a are both fixed on the surface of the insulating rubber 106, the two winding sleeves 204b are both rotationally connected to the surface of the positioning rings 204a and slide on the surface of the insulating rubber 106, the winding sleeves 204b are of hollow structures and are used for winding the two opposite pull ropes 202a, the end parts of the pull ropes 202a are fixed in the winding sleeves 204b (not shown in the drawing), the winding directions of the two pull ropes 202a wound on the same winding sleeve 204b are opposite in the winding sleeve 204b, so that when the winding sleeve 204b rotates, one pull rope 202a can be wound, the other pull rope 202a is unwound, the support ring 201a is pulled to move, the optical cable is bent, the other pull rope 202a is controlled to be wound and unwound by the other winding sleeve 204b, and the optical cable is bent at any angle.
Specifically, the winding member 204 further includes a blocking piece 204c and a shifting block 204d, the blocking piece 204c is located in the winding sleeve 204b, and the shifting block 204d is disposed on one side of the guiding strut 203 b.
The number of the baffle plates 204c is two, each baffle plate 204c is semicircular, the baffle plates 204c slide in a notch formed in the winding sleeve 204b, the baffle plates 204c are used for blocking a pull rope 202a wound by the winding sleeve 204b, a pull rope 202a is placed to slide from the winding sleeve 204b, a shifting block 204d is fixed on one side of the guide support 203b, and the baffle plates 204c on one side of the guide support 203b are shifted.
Example 3
Referring to fig. 2, 6 and 7, a third embodiment of the present invention is based on the first two embodiments.
Specifically, the adjusting member 205 includes an adjusting wheel 205a, a limiting sleeve 205b and a positioning sleeve 205c, the adjusting wheel 205a is disposed on the surface of the winding sleeve 204b, the limiting sleeve 205b is disposed on the surface of the adjusting wheel 205a, and the positioning sleeve 205c is disposed on the surface of the limiting sleeve 205 b.
The number of the adjusting wheels 205a is two, the adjusting wheels 205a are distributed and fixed on the surfaces of the two winding sleeves 204b, the adjusting wheels 205a are provided with tooth-shaped protrusions on the surfaces of gears, workers can conveniently rotate the adjusting wheels 205a, the limiting sleeve 205b slides on the surfaces of the adjusting wheels 205a, a plurality of protruding blocks are arranged in the limiting sleeve 205b and can be clamped with the adjusting wheels 205a, the adjusting wheels 205a are limited, and the positioning sleeve 205c is fixed on the surfaces of the limiting sleeve 205b and used for positioning the limiting sleeve 205 b.
Specifically, the limiting member 206 includes a limiting shaft 206a and a positioning spring 206b, the limiting shaft 206a is disposed in the positioning sleeve 205c, and the positioning spring 206b is disposed on one side of the positioning sleeve 205 c.
The positioning sleeve 205c slides on the surface of the limiting shaft 206a, four positioning springs 206b are fixed on two sides of the positioning sleeve 205c and slide on the surface of the limiting shaft 206a, the positioning sleeve 205c can be positioned in the middle of the limiting shaft 206a through the positioning springs 206b on two sides of the positioning sleeve 205c, when the positioning sleeve 205c moves towards one side of the limiting shaft 206a, the positioning sleeve 205b can be driven to slide towards the surface of one adjusting wheel 205a, so that the limiting of the other adjusting wheel 205a is released, and at the moment, the adjusting wheel 205a can be rotated, so that an optical cable is bent.
Specifically, the limiting member 206 further includes a supporting rod 206c and a supporting sleeve 206d, the supporting rod 206c is disposed at an end of the limiting shaft 206a, and the supporting sleeve 206d is located on the surface of the insulating rubber 106.
The supporting rods 206c are fixed on the end of the limiting shaft 206a and the surface of the supporting sleeve 206d, and two supporting sleeves 206d are fixed on the surface of the insulating rubber 106 and used for supporting and fixing the limiting shaft 206 a.
When the optical cable bending device is used, firstly, when the optical cable is required to be bent, the positioning sleeve 205c can move the limiting sleeve 205c to drive the limiting sleeve 205b to slide towards the surface of one of the adjusting wheels 205a, so that the limiting sleeve 205c can be released, the adjusting wheel 205a can be rotated at the moment, the adjusting wheel 205a can drive the winding sleeve 204b to rotate, so that the winding sleeve 204b winds one of the pull ropes 202a, unwinds the other pull rope 202a, the two pull ropes 202a can pull the supporting ring 201a at the end part of the pull rope 202a, at the moment, the supporting ring 201a can drive the optical cable to bend, the adjusting wheel 205a can be rotated reversely, at the moment, the optical cable can be reversely bent, at the moment, the positioning sleeve 205c can be reset under the reset elastic force of the positioning spring 206b, so that the positioning sleeve 205c limits the adjusting wheel 205a, the optical cable is prevented from rebounding, and the optical cable can be conveniently installed by a worker.
When the optical cable is required to be bent in the other direction, the positioning sleeve 205c can be moved in the other direction, namely, the limit of the limiting sleeve 205b on the other adjusting wheel 205a can be released, so that the other adjusting wheel 205a is rotated, the optical cable is controlled to be bent in the other direction, and the optical cable can be moved in any direction through the cooperation of the two adjusting wheels 205 a.
Meanwhile, when the optical fiber 101 is shipped from the factory, the length of the pull rope 202a can be set according to the characteristics of the optical fiber 101, so that when the pull rope 202a is unreeled to the maximum value, the optical cable is not excessively bent, the optical fiber 101 is protected, and the optical fiber 101 is prevented from being excessively bent, so that the optical fiber 101 is damaged and the signal transmission is influenced.
Compared with the existing optical cable, the bending angle of the optical cable can be adjusted, so that the optical cable is easier to install, and the optical fiber 101 can be effectively prevented from being damaged.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.