WO2015158269A1 - 光缆接续保护装置及其安装方法 - Google Patents

光缆接续保护装置及其安装方法 Download PDF

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Publication number
WO2015158269A1
WO2015158269A1 PCT/CN2015/076683 CN2015076683W WO2015158269A1 WO 2015158269 A1 WO2015158269 A1 WO 2015158269A1 CN 2015076683 W CN2015076683 W CN 2015076683W WO 2015158269 A1 WO2015158269 A1 WO 2015158269A1
Authority
WO
WIPO (PCT)
Prior art keywords
base
optical cable
protection device
flexible flap
housing
Prior art date
Application number
PCT/CN2015/076683
Other languages
English (en)
French (fr)
Inventor
童朝阳
夏江珍
Original Assignee
泰科电子(上海)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 泰科电子(上海)有限公司 filed Critical 泰科电子(上海)有限公司
Priority to US15/304,356 priority Critical patent/US10036864B2/en
Priority to MX2016013526A priority patent/MX2016013526A/es
Priority to AU2015246468A priority patent/AU2015246468B2/en
Priority to EP15780670.4A priority patent/EP3133430B1/en
Publication of WO2015158269A1 publication Critical patent/WO2015158269A1/zh
Priority to ZA2016/07213A priority patent/ZA201607213B/en

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4453—Cassettes
    • G02B6/4454—Cassettes with splices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4441—Boxes
    • G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2558—Reinforcement of splice joint
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4452—Distribution frames
    • G02B6/44524—Distribution frames with frame parts or auxiliary devices mounted on the frame and collectively not covering a whole width of the frame or rack
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4471—Terminating devices ; Cable clamps

Definitions

  • the invention relates to an optical cable connection protection device.
  • optical communication network since the length of the optical cable is limited and the optical cable needs to be branched and cross-connected on the transmission line, it is necessary to protect the optical cable from connection and connection to ensure that the connection can withstand changes such as temperature and humidity, and mechanical drawing. External factors to achieve all-weather work. It is common practice to use fiber optic cable splicing devices to provide conditions for cable splicing, branching, and cross-connecting, and to provide holistic protection for the splicing. Overhead connection, branching and cross-connection of various optical cables, pipelines, and cross-connections are often used to meet the connection protection requirements of the interconnection between the cable backbone and the distribution cable network.
  • the optical cable connecting device generally needs to have the characteristics of high mechanical strength, good sealing performance, excellent corrosion resistance, convenient and quick connection, and repeated opening.
  • the current design of the optical cable splicing device also has some shortcomings, such as: large size, inconvenient operation, high cost, and the like.
  • Existing fiber optic cable connection protection devices include a cover and a base.
  • a fixing device for the cable ribs, a fiber splicing protection sleeve card slot, and a fastening tape for the optical cable are integrally formed in the base.
  • the seal is locked between the cover and the base by means of a seal and a screw.
  • the inadequacy of the existing optical cable splicing device is that the cable ribs need to be fixed one by one in the base to bring inconvenience to the field installation.
  • the cover and the base are fixed by a plurality of screws, which also brings inconvenience to the field installation.
  • there is no structure for managing the optical fiber ferrule which tends to cause entanglement and disorder of the optical fiber ferrule and the optical fiber.
  • An object of the present invention is to provide an optical cable connection protection device capable of fixing the reinforcing ribs of the optical cable to be connected to the base of the housing of the optical cable connection protection device at one time, thereby facilitating quick installation on site.
  • Another object of the present invention is to provide a cable splicing protection device in which the cover of the casing can be easily opened repeatedly, and a good sealing performance can be achieved between the cover of the casing and the base of the casing.
  • Another object of the present invention is to provide a cable splicing protection device having a structure for managing a fiber ferrule, which avoids the entanglement and disorder of the fiber ferrule and the optical fiber, and increases the coiling space of the optical fiber.
  • Another object of the present invention is to provide an optical cable connection protection device which is simple in structure, small in size, and low in cost.
  • Another object of the present invention is to provide an optical cable connection protection device which is high in mechanical strength and excellent in corrosion resistance.
  • an optical cable connection protection device comprising: a housing including a cover and a base; and at least one cable fixing device for fixing the optical cable to be connected to the base of the housing.
  • the cable fixing device is a separate component separate from the base, and is detachably mountable in the base of the housing; and mounting the cable fixing device to the base of the housing Previously, all the reinforcing ribs of the cable to be connected were previously fixed to the cable fixing device.
  • each cable fixing device comprises a rib fixing means for fixing the ribs of the cable to be connected.
  • the rib fixing device includes: a columnar protrusion protruding from a surface of the cable fixing device, and an axial extension extending along the columnar protrusion is formed on the columnar protrusion a threaded hole and a rib hole extending radially through the threaded hole along the cylindrical protrusion, the reinforcing rib of the cable penetrating into the rib hole; and a threaded fastener, the threaded fastener being screwed to the column Among the raised threaded holes, the reinforcing ribs that have penetrated into the rib holes are fastened to the columnar projections.
  • each of the cable securing devices further includes a fastening strip that binds an outer jacket of the cable to an end of the cable fixture.
  • each of the cable fixing devices has an elongated body, and a cable accommodating recess extending along a length direction of the elongated body is formed at each end of the elongated body a groove, the outer sheath of the cable is housed in the cable receiving groove; and a neck portion that is inwardly contracted in the width direction of the elongated body is formed at both ends of the elongated body, the fastening A strap is positioned at the neck and the outer sheath of the cable is tethered to the neck.
  • the surface of the cable receiving groove is an uneven surface to increase the friction holding force.
  • the intermediate portion of the elongated body is a flat portion and has a height lower than both end portions of the elongated body, so that two of the intermediate portions of the elongated body The ends form raised rims for determining the length of the outer jacket of the cable secured to the cable fixture.
  • the pair of columnar projections are formed on an intermediate portion of the elongated body.
  • the cable fixing device is mounted to the base of the housing by screws.
  • a plurality of fixing holes are formed in an intermediate portion of the elongated body, and a plurality of fixing holes are formed on a bottom surface of the base of the housing Correspondingly threaded holes; and the screws pass through the fixing holes of the elongated body and are screwed into the threaded holes of the base to fix the cable fixing device to the base of the housing.
  • the rib fixing device includes: a box-shaped receiving portion formed on a surface of the cable fixing device, the box-shaped receiving portion having a protrusion from a surface of the cable fixing device a wall, and a rib hole is formed on an end wall of the box-shaped receiving portion, and a first rib fixing groove is formed on a bottom surface of the box-shaped accommodating portion, and a reinforcing rib of the cable penetrates into the rib hole and Accommodating in the first rib fixing groove; and a pressing block received in the box-shaped accommodating portion and fastened to the bottom of the box-shaped accommodating portion by screws, thereby penetrating into a box shape
  • the ribs of the rib holes of the accommodating portion are pressed in the first rib fixing groove, wherein the pressing block is a one-piece member for simultaneously squeezing and fixing the ribs of the cable to be connected.
  • a threaded hole is formed in a bottom surface of the box-shaped receiving portion, and a fixing hole is formed in the pressing block, and the screw passes through the fixing of the pressing block The hole is screwed into the threaded hole of the box-shaped housing to fasten the clamp to the bottom of the box-shaped housing.
  • a second rib fixing groove is further formed on the pressing block, and the rib is pressed between the first rib fixing groove and the second rib fixing groove. between.
  • the surface of the first rib fixing groove and/or the second rib fixing groove is a convex uneven surface to increase the friction holding force to the rib.
  • the rib fixing device includes: a box-shaped receiving portion formed on a surface of the cable fixing device, the box-shaped receiving portion having a protrusion from a surface of the cable fixing device Four walls, and a rib hole is formed on the end wall of the box-shaped receiving portion, and is accommodated in a box shape a first reinforcing rib fixing groove is formed on a bottom surface of the portion, a reinforcing rib of the optical cable penetrates into the reinforcing rib hole and is received in the first reinforcing rib fixing groove; and a pressing block, the pressing block is accommodated in the box And being fastened to the bottom of the box-shaped receiving portion by screws, so as to press the reinforcing rib penetrating into the reinforcing rib hole of the box-shaped receiving portion in the first reinforcing rib fixing groove, wherein
  • the pressing block includes a first block and a second block, the first block and the second block are rotatably coupled to each
  • a threaded hole is formed in a bottom surface of the box-shaped receiving portion, and a fixing hole is formed in the pressing block, and the screw passes through the fixing of the pressing block The hole is screwed into the threaded hole of the box-shaped housing to fasten the clamp to the bottom of the box-shaped housing.
  • a second rib fixing groove is further formed on the pressing block, and the rib is pressed between the first rib fixing groove and the second rib fixing groove. between.
  • the surface of the first rib fixing groove and/or the second rib fixing groove is a convex uneven surface to increase the friction holding force to the rib.
  • the cable splice protection device includes a plurality of fiber optic cable fixtures for securing a plurality of fiber optic cables to be attached to the base of the housing.
  • a method of installing an optical cable connection protection device includes the following steps:
  • a cable splicing protection device comprising: a housing including a cover and a base; and a disk auxiliary device mounted in the base of the housing.
  • the disk auxiliary device comprises: a bottom piece; a flexible cover detachably mounted on the top of the bottom piece; and a resilient biasing element mounted in the base of the housing for applying elasticity to the bottom piece a biasing force, wherein the bottom piece is pressed against the fiber sleeve of the cable to be connected under the action of the elastic biasing member for preventing coiling and disorder of the fiber sleeve; and wherein the cable to be connected is The fiber is coiled over the bottom sheet along a non-bending loss path defined by the flexible flap and is sequentially constrained at a suitable location by the flexible flap.
  • the elastic biasing member is a torsion spring, and a pair of mutually facing mounting shafts are formed on one side of the bottom of the bottom piece, and a pair of torsion springs are respectively fitted Said a pair of mounting shafts.
  • a fiber ferrule card slot is formed on a bottom surface of the base of the housing, the fiber ferrule is placed in the fiber ferrule card slot and pressed against the bottom piece Below.
  • the bottom sheet is a flexible sheet member.
  • the disk auxiliary device further includes: a flexible gasket covering the fiber sleeve, and the bottom sheet is pressed on the flexible gasket.
  • a plurality of convex insertion tabs are formed on an upper side surface of the bottom sheet;
  • the flexible flap includes a leg portion and a plurality of teeth at an upper end of the leg portion a socket is formed in the lower end of the leg, and the insertion piece is inserted into the insertion hole to assemble the flexible cover to the bottom piece.
  • a plurality of flexible flaps are mounted on each of the bottom sheets, and the teeth of the adjacent two flexible flaps are alternately arranged with each other.
  • a first flexible flap and a second flexible flap are mounted on each of the bottom sheets, and the first flexible flap and the second flexible flap are spaced apart from each other .
  • the first flexible flap is disposed outside the base of the housing, and the second flexible flap is disposed inside the first flexible flap.
  • a plurality of first teeth are formed only on a side of the first flexible flap facing the second flexible flap; and only in the second flexibility A side of the flap facing the first flexible flap is formed with a plurality of second teeth.
  • a plurality of first flank portions are formed only on a side of the first flexible flap facing the second flexible flap; and in the second compliant gear A plurality of second teeth are formed on one side of the sheet facing the first flexible flap and on the other side facing away from the first flexible flap.
  • a third flexible flap is further mounted on each of the bottom sheets, the third flexible flap being disposed inside the second flexible flap, and only in the third A side of the flexible flap facing the second flexible flap is formed with a plurality of third teeth.
  • two pairs of disk auxiliary devices are installed in the base of the housing, wherein a pair of disk auxiliary devices are arranged in the middle of the longitudinal ends of the base, and the other pair of disks
  • the auxiliary device is disposed in the middle of the lateral ends of the base.
  • a row of slots for retaining the fiber splicing protective sleeve is formed in the middle of the base of the housing.
  • a method of installing an optical cable connection protection device includes the following steps:
  • the method further includes the step of covering the fiber sleeve with a flexible gasket before pressing the bottom sheet against the fiber sleeve.
  • an optical cable splice protection device includes a housing including a cover and a base. Wherein a ring groove is formed in the mating edge of the four walls of one of the cover and the base, and an elastic seal is placed in the groove; and the other wall of the cover and the base Forming a ring of protrusions on the mating edge; and the cover is locked to the base in a latching manner, and the protrusion is pressed against the elastic seal when the cover is locked to the base Up and embedded in the recess to achieve a sealed lock between the cover and the base.
  • the one-turn groove is formed on an upper mating edge of the four walls of the base; and the one-turn protrusion is formed on a lower mating edge of the four walls of the cover on.
  • At least one side of the cover and the base are locked to each other by a locking device.
  • one side of the cover and the base are rotatably coupled together by a hinge, and the other side of the cover and the base are locked to each other by a locking device.
  • one side of the cover and the base are locked to each other by a locking device, and the other side of the cover and the base are locked to each other by a locking device.
  • the locking device is a snap structure
  • the snap structure includes: an elastic hook formed on the cover; and a notch formed on the base Above, wherein the cover and the base are locked when the elastic hook is inserted and snapped into the slot together.
  • the locking device is an eccentric locking mechanism
  • the eccentric locking mechanism comprises: a snap plate connected to the cover; a sliding plate slidingly Mounted on the buckle plate, slidable along the buckle plate; rotating the disk, rotatably mounted on the sliding plate; eccentric cam member connected to the rotating disk and offset from the center of the rotating disk Moving a predetermined distance, and the eccentric cam member is engaged into a notch formed in the buckle plate; a shaft member connected to a lower end of the sliding plate; and a card groove formed on the base, the shaft member being clamped In the card slot, wherein when the rotating disk is rotated, the eccentric cam member is movable between a locking position of the locking cover and the base and an unlocked position of releasing the cover and the base; wherein, when the eccentric cam member When moving toward the locking position, the eccentric cam member drives the sliding plate and the buckle plate to move toward each other, thereby applying a pulling force to the cover and the base to achieve locking between the cover and the base; and wherein
  • a rotary wrench is attached to the rotating disk for applying a rotational force to the rotating disk.
  • a socket is formed in the rotating disk for inserting a force arm tool in the insertion hole to apply a rotational force to the rotating disk.
  • the eccentric cam member is disc-shaped and has a diameter smaller than a diameter of the rotating disc.
  • the eccentric cam member is elliptical and has a long axis having a length smaller than a diameter of the rotating disk.
  • a pair of raised ribs are formed on a side of the base, and a snap plate and a sliding plate of each eccentric locking mechanism are located at a corresponding pair of protrusions Between the ribs.
  • the card slot is formed on a lower end of each pair of the protruding ribs, and both ends of the shaft member are caught in the card slot.
  • a cable receiving groove is formed on a side wall of the base, and the cable to be connected is accommodated in the cable receiving groove.
  • a handle portion is formed on an outer side wall of the base.
  • a plurality of sheets are formed on an outer surface of the cover Reinforcing ribs that intersect each other.
  • the reinforcing rib has a scale thereon that provides a measurement function for measuring the length of the field installation.
  • a method of installing an optical cable connection protection device includes the following steps:
  • the difference between the present invention and the prior art is that the design structure of the optical cable connecting device is simplified, so that the on-site connection and protection operation becomes convenient and fast.
  • the on-site operator strips the cable until the length of each part is the required length.
  • the cable rib is fixed on the rib fixing device of the cable fixing device, and then the cable is fixed to the corresponding position of the cable fixing device through the ligating device, and then
  • the sleeve fiber is arranged in the slot of the base of the connecting device below the disk auxiliary device, and the exposed primary coated fiber is sleeved into the fiber connecting protective sleeve, and the fiber is stripped, cleaned, cut, and connected, and connected.
  • the protective sleeve for protecting the optical fiber is subjected to necessary processing (such as heat shrinking)
  • the excess length of the optical fiber is stored in the disk auxiliary device, and the connecting protective sleeve is placed in the optical cable connecting protection device in order.
  • the card slot is mated with the protective sleeve by mechanical cooperation, and the card slot is an integral component with the housing shell base.
  • the base is provided with at least two disk auxiliary devices, which have two basic functions. First, a constraining space formed between the disk auxiliary device and the slot of the base is used for placing the fiber sleeve in the cable. Ejecting the optical fiber and separating it from the residual fiber for the connecting portion.
  • the device as the bottom plate of the optical fiber auxiliary device increases the space for the fiber placement of the optical fiber and facilitates fixing the position of the optical fiber, so that the optical fiber Arranged in order in the splicing device.
  • the housing of the cable connection protection device is composed of a base and a cover, and the sealing member filled in the joint groove between the base and the cover is locked and sealed by the pressing of the base and the cover, and the special sealing is not required to realize the closed seal. This greatly reduces the reliance on the proficiency of the construction personnel's professional and technical skills, through the simple operation to complete the fusion of the optical fibers in the two optical cables, the fiber, and finally the cover to achieve complete protection of the connection. If you need to maintain some of the connected fiber pairs, use the simple tool to open the lid and the base. After completing the required maintenance, re-close the cover for overall protection.
  • FIG. 1 shows a perspective view of a cable splicing protection device in accordance with an exemplary embodiment of the present invention
  • FIG. 2 is a schematic view showing the base of the cable connecting protection device of FIG. 1 and the cable fixing device and the disk auxiliary device installed in the base;
  • Figure 3 is a perspective view showing the cover of the optical cable connection protection device of Figure 1;
  • FIG. 4 is a perspective view showing the base of the optical cable connection protection device of FIG. 1;
  • FIG. 5A is a perspective view showing the optical cable fixing device of the optical cable connection protection device of FIG. 1;
  • FIG. 5B is a schematic view showing the reinforcing rib and the outer sheath of the optical cable to be connected being pre-fixed to the cable fixing device;
  • 6A is a schematic view showing a plurality of cable fixing devices for simultaneously fixing a plurality of cables to be connected;
  • 6B is a schematic view showing the pre-fixing of the reinforcing ribs and the outer sheath of the multi-processed optical cable to a plurality of optical cable fixing devices;
  • FIG. 7A and 7B are schematic views showing a cable fixing device according to another exemplary embodiment of the present invention.
  • Figure 7C is a schematic view showing the reinforcing rib of the optical cable fixed by the optical cable fixing device shown in Figures 7A and 7B;
  • FIG. 8A, 8B and 8C are schematic views showing a cable fixing device according to still another exemplary embodiment of the present invention.
  • FIGS. 8D and 8E are schematic views showing the reinforcing ribs of the optical cable fixed by the optical cable fixing device shown in Figs. 8A, 8B and 8C;
  • FIG. 9A shows a schematic diagram of a disk assist device in accordance with an exemplary embodiment of the present invention.
  • FIG. 9B shows a schematic diagram of a disk assist device in accordance with another exemplary embodiment of the present invention.
  • FIG. 9C is a schematic view showing a disk auxiliary device according to still another exemplary embodiment of the present invention.
  • Figure 10A shows a schematic view of the disk assisting device shown in Figure 9A disposed in a base
  • FIG. 10B shows a schematic view of a disk assist device having a separate flexible gasket in accordance with another exemplary embodiment of the present invention
  • Figure 11 is a schematic view showing the cover and the base of the cable connecting protection device shown in Figure 1 closed together;
  • FIG. 12 is a schematic view showing a latch structure of a cover and a base of a cable connecting protection device according to another exemplary embodiment of the present invention.
  • FIG. 13A is a schematic view showing a latch structure of a cover and a base of a cable splicing protection device according to still another exemplary embodiment of the present invention, wherein the cover and the base are in a locked position;
  • Figure 13B shows the position of the eccentric cam member when the cover and the base are in the locked position
  • Figure 13C shows an inside side view of the eccentric locking mechanism when the lid and the base are in the locked position
  • 14A is a schematic view showing a latch structure of a cover and a base of a cable splicing protection device according to still another exemplary embodiment of the present invention, wherein the cover and the base are in an unlocked position;
  • Figure 14B shows the position of the eccentric cam member when the cover and the base are in the unlocked position
  • Figure 14C shows an inside side view of the eccentric locking mechanism when the lid and base are in the unlocked position
  • Figure 15 is a view showing a latch structure of a cover and a base of a cable splicing protection device according to still another exemplary embodiment of the present invention.
  • Figure 16 shows a schematic view of an eccentric cam member in accordance with another exemplary embodiment of the present invention.
  • an optical cable connection protection device comprising: a housing including a cover 100 and a base 200; and at least one cable fixing device 300 for fixing the optical cables 10, 20 to be connected to the housing On the base 200, wherein the cable fixing device 300 is a separate component separate from the base 200, and can be detachably mounted in the base 200 of the housing; and the base 200 for mounting the cable fixing device 300 to the housing Previously, all of the reinforcing ribs of the cables 10, 20 to be connected were previously fixed to the cable fixing device 300.
  • FIG. 1 shows a perspective view of a fiber optic cable splice protection device in accordance with an exemplary embodiment of the present invention.
  • the cable splice protection device includes a housing that includes a cover 100 and a base 200. At least one cable fixing device 300 is mounted in the base 200 for fixing the cables 10, 20 to be connected to the base 200 of the housing.
  • FIG. 4 is a perspective view showing the base 200 of the optical cable connection protection device of FIG. 1;
  • FIG. 5A is a schematic view showing the optical cable fixing device 300 of the optical cable connecting protection device in FIG. 1;
  • FIG. 5B is a schematic view showing the reinforcing ribs 11, 21 and the outer sheath of the optical cables 10 and 20 to be connected to the optical cable fixing device 300 in advance.
  • the cable fixing device 300 is a separate component from the base 200 and can be detachably mounted in the base 200 of the housing. Before the cable fixing device 300 is mounted to the base 200 of the housing, all of the reinforcing ribs 11, 21 and the outer sheath of the cables 10, 20 to be connected are previously fixed to the cable fixing device 300. Then, as shown in FIG. 2, the cable fixing device 300 to which the optical cables 10, 20 to be connected are fixed in advance is fixed to the base 200.
  • each of the cable fixing devices 300 includes rib fixing means for fixing the ribs 11, 21 of the cables 10, 20 to be connected.
  • the rib securing means includes cylindrical projections 311, 312 and threaded fasteners 321, 322.
  • the columnar projections 311, 312 project from the surface of the cable fixing device 300, and the cylindrical projections 311, 312 are formed with screw holes 3110, 3120 extending along the axial direction of the columnar projections 311, 312 and along the columnar projections 311, 312. Radially extending through the rib holes 301, 302 of the threaded holes 3110, 3120 (shown by broken lines in Fig. 5A), the ribs 11, 21 of the cables 10, 20 penetrate into the rib holes 301, 302.
  • the threaded fasteners 321 , 322 are screwed into the threaded holes 3110 , 3120 of the columnar protrusions 311 , 312 for fastening the reinforcing ribs 11 , 21 that have penetrated into the rib holes 301 , 302 to the columnar protrusions 311 , 312.
  • each cable fixture 300 further includes fastening straps 361, 362 that bind the outer jacket of the cables 10, 20 to the cable On the end of the fixture 300.
  • each of the cable fixing devices 300 has an elongated body, and cable accommodating grooves 341 and 342 extending along the longitudinal direction of the elongated body are respectively formed at both ends of the elongated body.
  • the outer sheaths of the optical cables 10, 20 are housed in the cable accommodating recesses 341, 342; and the neck portions 351, 352 which are inwardly contracted in the width direction of the elongated main body are respectively formed at both ends of the elongated main body,
  • Fastening straps 361, 362 are positioned at the necks 351, 352 and bind the outer sheath of the cables 10, 20 to the necks 351, 352.
  • the surfaces of the cable accommodating recesses 341, 342 are uneven surfaces to increase the frictional holding force.
  • the intermediate portion of the elongated body is a flat portion, and its height is lower than both end portions of the elongated body, thereby forming a convex portion at both ends of the intermediate portion of the elongated body.
  • Positioning edge 3411, 3421, the positioning edges 3411, 3421 are used to determine the length of the outer sheath of the cables 10, 20 that are secured to the cable fixture 300.
  • the cable fixing device 300 can be mounted to the base 200 of the housing by screws 3311.
  • a plurality of fixing holes 331 are formed in the intermediate portion of the elongated body, and as shown in FIG. 4, a plurality of fixing holes are formed on the bottom surface of the base 200 of the housing. 331 respectively correspond to the threaded holes 231.
  • the screw 3311 passes through the fixing hole 331 of the elongated body and is screwed into the threaded hole 231 of the base 200, thereby fixing the cable fixing device 300 to the base 200 of the housing.
  • Figure 6A shows a schematic view of a plurality of cable fixing devices 300 for simultaneously securing a plurality of cables 10, 20 to be connected;
  • Figure 6B shows pre-fixing the ribs and outer jackets of the cables 10, 20 to be connected to a plurality of cables.
  • a plurality of fiber optic cable fixtures 300 are included for securing the plurality of fiber optic cables 10, 20 to be attached to the base 200 of the housing.
  • FIGS. 7A and 7B show schematic views of a cable fixing device 300' according to another exemplary embodiment of the present invention
  • Fig. 7C shows reinforcement of the optical cables 10, 20 by the cable fixing device 300' shown in Figs. 7A and 7B.
  • the rib fixing means includes a box-shaped housing portion 310' and a pressing block 320'.
  • a box-shaped housing portion 310' is formed on the surface of the cable fixing device 300, the box-shaped housing portion 310' having four walls projecting from the surface of the cable fixing device 300', and on the end wall of the box-shaped housing portion 310'.
  • the reinforcing rib holes 3101' and 3102' are formed, and the first rib fixing groove 3111' is formed on the bottom surface of the box-shaped accommodating portion 310', and the reinforcing ribs 11, 21 of the optical cables 10, 20 penetrate the rib hole 3101', 3102' is accommodated in the first rib fixing groove 3111'.
  • the pressing block 320' is housed in the box-shaped housing portion 310' and fastened to the bottom of the box-shaped housing portion 310' by screws 3312' so as to penetrate the rib holes 3101', 3102 of the box-shaped housing portion 310' The ribs 11, 21 of the 'extruded in the first rib fixing groove 3111'.
  • the pressing block 320' is a one-piece member for simultaneously pressing and fixing the reinforcing ribs 11, 21 of the optical cables 10, 20 to be connected.
  • a threaded hole 3112' is formed on the bottom surface of the box-shaped housing portion 310', and a fixing hole 3212' is formed in the pressing block 320', and the screw 3312' passes through the pressing block.
  • the fixing hole 3212' of 320' is screwed into the threaded hole 3112' of the box-shaped receiving portion 310', thereby pressing the pressing block 320' Fastened to the bottom of the box-shaped housing portion 310'.
  • a second rib fixing groove 3211' is further formed on the pressing block 320', and the reinforcing ribs 11, 21 are pressed against the first rib fixing groove 3111' and the second.
  • the rib fixing groove 3211' is between.
  • the surfaces of the first rib fixing groove 3111' and/or the second rib fixing groove 3211' are uneven surfaces to increase the friction against the ribs 11, 21. Retentivity.
  • FIGS. 8A, 8B, and 8C show schematic views of a cable fixing device 300" according to still another exemplary embodiment of the present invention.
  • Figs. 8D and 8E show the use of the cable fixing device shown in Figs. 8A, 8B, and 8C.
  • the rib fixing device 300" includes a box-shaped housing portion 310" and a pressing block 320".
  • the box-shaped housing portion 310" is formed in On the surface of the cable fixing device 300, the box-shaped housing portion 310" has four walls projecting from the surface of the cable fixing device 300", and a reinforcing rib hole 3101" is formed on the end wall of the box-shaped housing portion 310", 3102", a first rib fixing groove 3111" is formed on the bottom surface of the box-shaped accommodating portion 310", and the ribs 11, 21 of the optical cables 10, 20 penetrate the rib holes 3101", 3102" and are accommodated in the first reinforcement The rib fixing groove 3111".
  • the press block 320" is housed in the box-shaped housing portion 310" and fastened to the bottom of the box-shaped housing portion 310" by screws 3312" so as to penetrate the rib holes 3101", 3102 of the box-shaped housing portion 310" "The ribs 11, 21 are squeezed in the first rib fixing groove 3111",
  • the compact 320" includes a first block 321" and a second block 322", a first block 321” and a second block 322" Rotatingly coupled to each other, and the first block 321” is used to separately press and fix the ribs 11 of the first cable 10 of the cables 10, 20 to be spliced, and the second block 322" is used for separate extrusion And reinforcing the rib 21 of the second cable 20 of the cables 10, 20 to be connected.
  • a screw hole 3112" is formed on the bottom surface of the box-shaped housing portion 310"
  • a fixing hole 3212" is formed on the pressing block 320
  • the screw 3312" passes through the fixing hole 3212" of the pressing block 320” and is screwed into the threaded hole 3112" of the box-shaped housing portion 310", thereby fastening the pressing block 320" to the bottom of the box-shaped housing portion 310".
  • a second bead fixing groove may be formed on the pressing block 320", and the reinforcing ribs 11, 21 are pressed between the first bead fixing groove 3111" and the second bead fixing groove.
  • the surface of the first rib fixing groove 3111" and/or the second rib fixing groove is a convex uneven surface to increase the friction holding force to the force ribs 11, 21.
  • an optical cable splice protection device comprising: a housing including a cover 100 and a base 200; and a disc auxiliary device 400 mounted in the base 200 of the housing.
  • the disc auxiliary device 400 includes: a bottom sheet 401; flexible flaps 410, 420 detachably mounted on the top of the bottom sheet 401; and a resilient biasing member 403 mounted in the base 200 of the housing for The bottom piece 401 applies an elastic biasing force, wherein the bottom piece 401 is pressed against the fiber sleeves 13, 23 of the cables 10, 20 to be connected under the action of the elastic biasing member 403 for preventing the occurrence of the fiber sleeves 13, 23.
  • FIG. 2 shows a schematic view of the base 200 of the cable splicing protection device of FIG. 1 and the cable fixing device 300 and the disk auxiliary device 400 installed in the base 200.
  • FIG. 9A shows a schematic diagram of a disk assist device 400 in accordance with an exemplary embodiment of the present invention.
  • the fiber array assisting device 400 mainly includes a bottom sheet 401; flexible flaps 410, 420 detachably mounted on the top of the bottom sheet 401; and a resilient biasing member 403, Mounted in the base 200 of the housing for applying an elastic biasing force to the bottom piece 401.
  • the bottom piece 401 is pressed against the fiber sleeves 13, 23 of the cables 10, 20 to be connected by the elastic biasing member 403 for preventing coiling and disorder of the fiber sleeves 13, 23;
  • the fibers 12, 22 of the succeeding fiber optic cables 10, 20 are coiled over the bottom panel 401, along a non-bending loss path defined by the flexible flaps 410, 420, and are sequentially constrained at appropriate locations by the flexible flaps 410, 420. .
  • the present invention utilizes the bottom sheet 401 to separate the fiber sleeves 13, 23 from the fibers 12, 22, not only by orderly management of the fiber sleeves 13, 23 and the fibers 12, 22, but also to expand the fibers 12, 22
  • the space is coiled because the fibers 12, 22 can be coiled directly over the bottom sheet 401.
  • the resilient biasing member 403 is a torsion spring, and a pair of mutually facing mounting shafts 402 are formed on one side of the bottom of the bottom piece 401, and a pair of torsion springs are respectively fitted over the pair of mounting shafts 402.
  • a fiber ferrule card slot is formed on the bottom surface of the base 200 of the housing, and the fiber ferrules 13, 23 are placed in the fiber ferrule card slot and pressed under the bottom sheet 401.
  • the bottom panel 401 can be a flexible sheet member.
  • the present invention is not limited thereto, and the bottom sheet 401 may also be a rigid sheet member, and when the bottom sheet 401 is a rigid sheet member, a flexible spacer may be provided under the bottom sheet 401, for example, as shown in Fig. 10B.
  • the disk auxiliary device further includes a flexible gasket 4011 covering the fiber sleeves 13, 23 And the bottom piece 401 is pressed against the flexible spacer 4011.
  • a plurality of projecting insertion pieces 4016, 4026 are formed on the upper side surface of the bottom piece 401.
  • the flexible flaps 410, 420 include legs 416, 426 and a plurality of teeth 411, 421 at the upper ends of the legs 416, 426.
  • Jacks (not shown) are formed in the lower ends of the legs 416, 426, and the insertion tabs 4016, 4026 are inserted into the receptacles to assemble the flexible flaps 410, 420 onto the bottom panel 401.
  • a plurality of flexible flaps 410, 420 are mounted on each of the bottom sheets 401, and the teeth 411, 421 of the adjacent two flexible flaps 410, 420 are interlaced with each other. Ground layout.
  • a first flexible barrier 410 and a second flexible barrier 420 are mounted on each of the bottom sheets 401, and the first flexible barrier 410 and the second flexible barrier 420 are spaced apart from each other. Correct.
  • the first flexible flap 410 is disposed outside the base 200 of the housing, and the second flexible flap 420 is disposed inside the first flexible flap 410.
  • a plurality of first tooth portions 411 are formed only on a side of the first flexible flap 410 facing the second flexible flap 420; and only in the second flexible flap 420 A plurality of second tooth portions 421 are formed on one side of the first flexible flap 410.
  • a plurality of first tooth portions 411 are formed only on a side of the first flexible flap 410 facing the second flexible flap 420; and in the second flexible flap 420 A plurality of second tooth portions 421 are formed on one side facing the first flexible flap 410 and on the other side facing away from the first flexible flap 410.
  • the optical fibers 12, 22 can be wound not only between the first flexible flap 410 and the second flexible flap 420, but also on the side of the second flexible flap 420 facing away from the first flexible flap 410, thereby The coiling space of the optical fibers 12, 22 is increased.
  • a third flexible barrier 430 is further mounted on each of the bottom sheets 401, and the third flexible barrier 430 is disposed on the inner side of the second flexible barrier 420, and only in the third flexibility A side of the flap 430 facing the second flexible flap 420 is formed with a plurality of third teeth 431.
  • two pairs of disk auxiliary devices 400 are mounted in the base 200 of the housing, wherein a pair of disk auxiliary devices 400 are disposed in the middle of the longitudinal ends of the base 200, and the other pair The disk auxiliary device 400 is disposed at a middle portion of the lateral ends of the base 200.
  • a row of card slots 250 for holding a fiber-optic continuous protective sleeve (not shown, which may be a heat-shrinkable tube) is formed in the middle of the base 200 of the housing.
  • an optical cable connection protection device includes a housing, The housing includes a cover 100 and a base 200.
  • a ring groove 201 is formed on the mating edge of the four walls of one of the cover 100 and the base 200, and an elastic seal 202 is placed in the groove 201; and the other of the cover 100 and the base 200
  • a ring protrusion 102 is formed on the mating edge of the wall; and the cover 100 is locked to the base 200 in a latching manner, and when the cover is locked to the base 200, the protrusion 102 is pressed against the elastic seal 202 and embedded Into the recess 201, a sealed lock between the cover 100 and the base 200 is achieved.
  • FIG. 3 is a perspective view showing the cover 100 of the cable connecting protection device of FIG. 1.
  • Figure 11 is a schematic view showing the cover and the base of the cable splicing protection device shown in Figure 1 closed together.
  • a ring groove 201 is formed in the upper fitting edge of the four walls of the base 200, and an elastic seal 202 is placed in the groove 201.
  • a ring projection 102 is formed on the lower fitting edge of the four walls of the cover 100.
  • the cover 100 is locked to the base 200 in a latching manner. As shown in FIG. 11, when the cover is locked to the base 200, the projection 102 on the cover 100 is pressed against the elastic seal 202 and embedded in the recess. In 201, a sealing lock between the cover 100 and the base 200 is thereby achieved.
  • one turn of the protrusion is formed on the upper mating edge of the four walls of the base, and one turn is formed on the four walls of the cover.
  • the lower part fits on the edge.
  • At least one side of the cover 100 and the base 200 are locked to each other by a latching device.
  • one side of the cover 100 and the base 200 are rotationally coupled together by a hinge, and the other side of the cover 100 and the base 200 pass.
  • the locking devices are locked to each other.
  • the locking device is a snap structure
  • the buckle structure comprises: an elastic hook 122 formed on the cover 100 ; and a notch 222 formed on the base 200 Wherein, when the elastic hook 122 is inserted and snapped into the slot 222, the cover 100 and the base 200 are locked together.
  • Figure 12 is a schematic illustration of a latch structure of a cover and a base of a fiber optic cable splice protection device in accordance with another exemplary embodiment of the present invention.
  • one side of the cover 100 and the base 200 are locked to each other by a locking device, and the other side of the cover 100 and the base 200 are also locked to each other by a locking device.
  • 13A, 13B, 13C, 14A, 14B, and 14C show another according to the present invention.
  • the locking device is an eccentric locking mechanism
  • the eccentric locking mechanism comprises: a buckle plate 602 connected to the cover 100;
  • the sliding plate 601 is slidably mounted on the buckle plate 602 and is slidable along the buckle plate 602;
  • the rotating disk 603 is rotatably mounted on the sliding plate 601;
  • the eccentric cam member 608 is coupled to the rotating disk 603 and The center of the rotating disc 603 is offset by a predetermined distance, and the eccentric cam member 608 is engaged into the notch 606 formed in the buckle plate 602;
  • the shaft member 605 is coupled to the lower end of the sliding plate 601; and the card slot 611 is formed at the base 200, the shaft member 605 is retained in the card slot 611, wherein when the rotating disk 603 is rotated, the eccentric cam member 608 can lock the locking position of the cover 100 and the base 200 (FIG.
  • FIG. 13C The position shown in FIG. 13C is moved between the unlocking position of the cover 100 and the base 200 (the position shown in FIGS. 14A, 14B, and 14C); wherein, when the eccentric cam member 608 is moved toward the locking position, the eccentricity The cam member 608 drives the sliding plate 601 and the buckle plate 602 to move toward each other. Thereby, a tensioning force is applied to the cover 100 and the base 200 to achieve locking between the cover 100 and the base 200; and wherein the eccentric cam member 608 drives the sliding plate 601 and the buckle plate when the eccentric cam member 608 is moved toward the unlocked position
  • the 602 moves in a direction separating from each other, thereby releasing the cover 100 and the base 200.
  • a rotary wrench 604 is attached to the rotating disk 603 for applying a rotational force to the rotating disk 603.
  • a pair of convex ribs 610 are formed on the side of the base 200, and a snap plate 602 of each eccentric locking mechanism is provided. And the sliding plate 601 is located between the corresponding pair of raised ribs 610.
  • a card slot 611 is formed at the lower end of each pair of the protruding ribs 610, and both ends of the shaft member 605 are engaged in the card slot 611.
  • Figure 15 is a schematic illustration of a latch structure of a cover and a base of a fiber optic cable splice protection device in accordance with still another exemplary embodiment of the present invention.
  • an insertion hole 6041 is formed in the rotary disk 603 for inserting a force arm tool in the insertion hole 6041 to apply a rotational force to the rotary disk 603.
  • the eccentric cam member 608 is disc-shaped and has a diameter smaller than the diameter of the rotating disc 603.
  • Figure 16 shows a schematic view of an eccentric cam member in accordance with another exemplary embodiment of the present invention.
  • the eccentric cam member 608 is elliptical and has a long axis having a length smaller than the diameter of the rotating disk 603.
  • cable accommodating grooves 211, 212 are formed on the side walls of the base 200, and the cables 10, 20 to be connected are accommodated in the cable accommodating grooves 211, 212.
  • a handle portion 210 is formed on the outer side wall of the base 200.
  • a plurality of longitudinal and lateral reinforcing ribs 101 which intersect each other are formed on the outer surface of the cover 100.
  • the ribs have a ruler that provides a measurement of the length of the field installation for on-site installation without the need to carry a separate length measurement tool.

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  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
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Abstract

一种光缆接续保护装置，包括具有盖子（100）和底座（200）的壳体和安装在壳体的底座（200）中的盘纤辅助装置（400）。盘纤辅助装置（400）包括底部片（401）、可拆卸地安装在底部片（401）的顶部的柔性挡片（410、420）、安装在壳体的底座（200）中，用于向底部片（401）施加弹性偏压力的弹性偏压元件（403）。底部片（401）在弹性偏压元件（403）的作用下按压在待接续的光缆（10、20）的光纤套管（13、23）上，用于防止光纤套管（13、23）出现盘绕和杂乱；并且待接续的光缆（10、20）的光纤（12、22）在底部片（401）的上方、沿由柔性挡片（410、420）限定的无弯曲损耗路径盘绕并被柔性挡片（410、420）有序地约束在合适的位置处。该装置避免了缠绕和杂乱的现象，增大了光纤的存储空间。

Description

光缆接续保护装置及其安装方法 技术领域
本发明涉及一种光缆接续保护装置。
背景技术
在光通信网络中，由于光缆长度有限以及光缆在传输线路上需要进行分支以及交叉连接，这样就需要对光缆进行接续及接续的保护，以确保接续能抵御诸如温度、湿度的变化以及机械拉拔等外界因素，实现全天候的工作。通常的做法是采用光缆接续装置为光缆接续、分支及交叉连接提供条件并对接续实现整体性的保护。各种光缆的架空、管道的直通连接、分支及交叉连接也常采用光缆接续装置的方式来满足光缆主干线与配线光缆网络之间互联时的接续保护需要。光缆接续装置一般需要具有机械强度高、密封性能好、耐腐蚀性能优良、接续方便快捷及支持反复开启等特点。但目前的光缆接续装置的设计也存在一些不足，例如：体积大、操作不方便、成本高等。
现有的光缆接续保护装置包括盖子和底座。底座中一体地形成有光缆加强筋的固定装置、光纤接续保护套管卡槽，光缆的紧固带。盖子和底座之间通过密封件和螺丝固定的方式实现密封锁紧。现有光缆接续装置的不足之处是需要在底座中对光缆加强筋进行逐一固定从而为现场安装带来不便。同时，盖子和底座由多个螺丝固定也为现场安装带来了不便。并且，在现有的光缆接续保护装置中，没有对光纤套管进行管理的结构，导致容易出现光纤套管与光纤缠绕和杂乱的现象。
发明内容
本发明的目的旨在解决现有技术中存在的上述问题和缺陷的至少一个方面。
本发明的一个目的在于提供一种光缆接续保护装置，其能够将待接续的光缆的加强筋一次性地固定到光缆接续保护装置的壳体的底座上，便于实现现场快速安装。
本发明的另一个目的在于提供一种光缆接续保护装置，其壳体的盖子能够方便地反复开启，并且壳体的盖子与壳体的底座之间能够实现良好的密封性能。
本发明的另一个目的在于提供一种光缆接续保护装置，其具有对光纤套管进行管理的结构，避免了光纤套管与光纤缠绕和杂乱的现象，并且增大了光纤的盘绕空间。
本发明的另一个目的在于提供一种光缆接续保护装置，其结构简单、体积小、成本低。
本发明的另一个目的在于提供一种光缆接续保护装置，其机械强度高、耐腐蚀性能优良。
根据本发明的一个方面，提供一种光缆接续保护装置，包括：壳体，包括盖子和底座；和至少一个光缆固定装置，用于将待接续的光缆固定到所述壳体的底座上。其中，所述光缆固定装置为与所述底座分离的独立部件，并且能够以可拆卸的方式安装在所述壳体的底座中；并且在将所述光缆固定装置安装到所述壳体的底座之前，所述待接续的光缆的所有加强筋预先固定到所述光缆固定装置上。
根据本发明的一个实例性的实施例，每个光缆固定装置包括用于固定待接续的光缆的加强筋的加强筋固定装置。
根据本发明的另一个实例性的实施例，所述加强筋固定装置包括：从光缆固定装置的表面突起的柱状凸起，在所述柱状凸起上形成有沿柱状凸起的轴向延伸的螺纹孔和沿柱状凸起的径向贯穿螺纹孔的加强筋孔，所述光缆的加强筋穿入所述加强筋孔中；和螺纹紧固件，所述螺纹紧固件拧到所述柱状凸起的螺纹孔中，用于将已穿入加强筋孔中的加强筋紧固到所述柱状凸起上。
根据本发明的另一个实例性的实施例，每个所述光缆固定装置还包括：紧固带，所述紧固带将光缆的外护套束缚到光缆固定装置的端部上。
根据本发明的另一个实例性的实施例，每个所述光缆固定装置具有长条状主体，在该长条状主体的两端分别形成有沿长条状主体的长度方向延伸的光缆容纳凹槽，所述光缆的外护套容纳在光缆容纳凹槽中；并且在所述长条状主体的两端分别形成有沿长条状主体的宽度方向向内收缩的颈部，所述紧固带定位在所述颈部处，并将所述光缆的外护套束缚到该颈部上。
根据本发明的另一个实例性的实施例，所述光缆容纳凹槽的表面为凸凹不平的表面，以增大摩擦保持力。
根据本发明的另一个实例性的实施例，所述长条状主体的中间部为平坦部，并且其高度低于长条状主体的两端部，从而在长条状主体的中间部的两端形成凸起的定位边缘，所述定位边缘用于确定固定在光缆固定装置上的光缆的外护套的长度。
根据本发明的另一个实例性的实施例，所述一对柱状凸起形成在长条状主体的中间部上。
根据本发明的另一个实例性的实施例，所述光缆固定装置通过螺钉安装到所述壳体的底座上。
根据本发明的另一个实例性的实施例，在所述长条状主体的中间部上形成有多个固定孔，并且在所述壳体的底座的底面上形成有与所述多个固定孔分别对应的螺纹孔；并且所述螺钉穿过长条状主体的固定孔并拧入底座的螺纹孔中，从而将光缆固定装置固定到所述壳体的底座上。
根据本发明的另一个实例性的实施例，所述加强筋固定装置包括：形成在光缆固定装置的表面上的一个盒状容纳部，该盒状容纳部具有从光缆固定装置的表面凸起的四壁，并且在盒状容纳部的端壁上形成有加强筋孔，在盒状容纳部的底面上形成有第一加强筋固定槽，所述光缆的加强筋穿入所述加强筋孔并容纳在第一加强筋固定槽中；和压块，所述压块容纳在所述盒状容纳部中，并通过螺钉紧固到所述盒状容纳部的底部上，从而将穿入盒状容纳部的加强筋孔的加强筋挤压在第一加强筋固定槽中，其中，所述压块是一个整体件，用于同时挤压和固定待接续的光缆的加强筋。
根据本发明的另一个实例性的实施例，在所述盒状容纳部的底面上形成有螺纹孔，并且在所述压块上形成有固定孔，所述螺钉穿过所述压块的固定孔并拧入到盒状容纳部的螺纹孔中，从而将所述压块紧固到所述盒状容纳部的底部上。
根据本发明的另一个实例性的实施例，在所述压块上还形成有第二加强筋固定槽，所述加强筋被挤压在第一加强筋固定槽和第二加强筋固定槽之间。
根据本发明的另一个实例性的实施例，在所述第一加强筋固定槽和/或第二加强筋固定槽的表面为凸凹不平的表面，以增大对加强筋的摩擦保持力。
根据本发明的另一个实例性的实施例，所述加强筋固定装置包括：形成在光缆固定装置的表面上的一个盒状容纳部，该盒状容纳部具有从光缆固定装置的表面凸起的四壁，并且在盒状容纳部的端壁上形成有加强筋孔，在盒状容纳 部的底面上形成有第一加强筋固定槽，所述光缆的加强筋穿入所述加强筋孔并容纳在第一加强筋固定槽中；和压块，所述压块容纳在所述盒状容纳部中，并通过螺钉紧固到所述盒状容纳部的底部上，从而将穿入盒状容纳部的加强筋孔的加强筋挤压在第一加强筋固定槽中，其中，所述压块包括第一块体和第二块体，所述第一块体和第二块体相互转动地连接在一起，并且所述第一块体用于单独挤压和固定待接续的光缆中的第一光缆的加强筋，所述第二块体用于单独挤压和固定待接续的光缆中的第二光缆的加强筋。
根据本发明的另一个实例性的实施例，在所述盒状容纳部的底面上形成有螺纹孔，并且在所述压块上形成有固定孔，所述螺钉穿过所述压块的固定孔并拧入到盒状容纳部的螺纹孔中，从而将所述压块紧固到所述盒状容纳部的底部上。
根据本发明的另一个实例性的实施例，在所述压块上还形成有第二加强筋固定槽，所述加强筋被挤压在第一加强筋固定槽和第二加强筋固定槽之间。
根据本发明的另一个实例性的实施例，在所述第一加强筋固定槽和/或第二加强筋固定槽的表面为凸凹不平的表面，以增大对加强筋的摩擦保持力。
根据本发明的另一个实例性的实施例，所述光缆接续保护装置包括多个光缆固定装置，用于将多对待接续的光缆固定到所述壳体的底座上。
根据本发明的另一个方面，提供一种光缆接续保护装置的安装方法，包括以下步骤：
提供与光缆接续保护装置的壳体的底座分离的光缆固定装置；
将待接续的光缆的加强筋和外护套固定到所述光缆固定装置上；
将预先固定有待接续的光缆的光缆固定装置固定到壳体的底座中；和
将壳体的盖子闭合到壳体的底座上。
根据本发明的另一个方面，提供一种光缆接续保护装置，包括：壳体，包括盖子和底座；和盘纤辅助装置，安装在所述壳体的底座中。其中，所述盘纤辅助装置包括：底部片；柔性挡片，可拆卸地安装在底部片的顶部；和弹性偏压元件，安装在所述壳体的底座中，用于向底部片施加弹性偏压力，其中，所述底部片在弹性偏压元件的作用下按压在待接续的光缆的光纤套管上，用于防止光纤套管出现盘绕和杂乱；并且其中，所述待接续的光缆的光纤在所述底部片的上方、沿由柔性挡片限定的无弯曲损耗路径盘绕并被柔性挡片有序地约束在合适的位置处。
根据本发明的一个实例性的实施例，所述弹性偏压元件为扭矩弹簧，并且在所述底部片的底部的一侧形成有一对相互面对的安装轴，一对扭矩弹簧分别套装在所述一对安装轴上。
根据本发明的另一个实例性的实施例，在所述壳体的底座的底面上形成有光纤套管卡槽，所述光纤套管放置在光纤套管卡槽中，并且被按压在底部片的下方。
根据本发明的另一个实例性的实施例，所述底部片为柔性片状部件。
根据本发明的另一个实例性的实施例，所述盘纤辅助装置还包括：柔性垫片，所述柔性垫片覆盖在光纤套管上，并且所述底部片按压在柔性垫片上。
根据本发明的另一个实例性的实施例，所述底部片的上侧表面上形成有多个凸起的插接片；所述柔性挡片包括腿部和位于腿部的上端的多个齿状部；所述腿部的下端中形成有插孔，所述插接片插入所述插孔中，从而将柔性挡片组装到底部片上。
根据本发明的另一个实例性的实施例，在每个底部片上安装有多个柔性挡片，并且相邻两个柔性挡片的齿状部相互交错地布置。
根据本发明的另一个实例性的实施例，在每个底部片上安装有第一柔性挡片和第二柔性挡片，并且所述第一柔性挡片和第二柔性挡片相互间隔地面对。
根据本发明的另一个实例性的实施例，所述第一柔性挡片设置在靠近壳体的底座的外侧，并且第二柔性挡片设置在第一柔性挡片的内侧。
根据本发明的另一个实例性的实施例，仅在所述第一柔性挡片的面对第二柔性挡片的一侧形成有多个第一齿状部；并且仅在所述第二柔性挡片的面对第一柔性挡片的一侧形成有多个第二齿状部。
根据本发明的另一个实例性的实施例，仅在所述第一柔性挡片的面对第二柔性挡片的一侧形成有多个第一齿状部；并且在所述第二柔性挡片的面对第一柔性挡片的一侧和背对第一柔性挡片的另一侧均形成有多个第二齿状部。
根据本发明的另一个实例性的实施例，在每个底部片上还安装有第三柔性挡片，所述第三柔性挡片布置在第二柔性挡片的内侧，并且仅在所述第三柔性挡片的面对第二柔性挡片的一侧形成有多个第三齿状部。
根据本发明的另一个实例性的实施例，在所述壳体的底座中安装有两对盘纤辅助装置，其中一对盘纤辅助装置布置在底座的纵向两端的中部，另一对盘纤辅助装置布置在底座的横向两端的中部。
根据本发明的另一个实例性的实施例，在所述壳体的底座的中部还形成有一排用于保持光纤接续保护套管的卡槽。
根据本发明的另一个方面，提供一种光缆接续保护装置的安装方法，包括以下步骤：
提供与光缆接续保护装置的壳体的底座分离的光缆固定装置；
将待接续的光缆的加强筋和外护套固定到所述光缆固定装置上；
将预先固定有待接续的光缆的光缆固定装置固定到壳体的底座中；
将光纤套管放置在光纤套管卡槽中，并利用盘纤辅助装置的底部片按压在光纤套管上；和
将壳体的盖子闭合到壳体的底座上。
在前述方法中，还包括以下步骤：在将底部片按压在光纤套管上之前，在光纤套管上覆盖柔性垫片。
根据本发明的另一个方面，提供一种光缆接续保护装置，包括壳体，所述壳体包括盖子和底座。其中，在所述盖子和底座中的一个的四壁的配合边缘上形成有一圈凹槽，并在所述凹槽中放置有弹性密封件；在所述盖子和底座中的另一个的四壁的配合边缘上形成有一圈凸起；并且所述盖子以锁扣的方式锁紧到所述底座上，在所述盖子锁紧到所述底座上时，所述凸起挤压在弹性密封件上并嵌入到凹槽中，从而实现所述盖子和底座之间的密封锁紧。
根据本发明的一个实例性的实施例，所述一圈凹槽形成在所述底座的四壁的上部配合边缘上；并且所述一圈凸起形成在所述盖子的四壁的下部配合边缘上。
根据本发明的另一个实例性的实施例，所述盖子和底座的至少一侧通过锁扣装置相互锁定在一起。
根据本发明的另一个实例性的实施例，所述盖子和底座的一侧通过铰链转动地连接在一起，并且所述盖子和底座的另一侧通过锁扣装置相互锁定在一起。
根据本发明的另一个实例性的实施例，所述盖子和底座的一侧通过锁扣装置相互锁定在一起，并且所述盖子和底座的另一侧通过锁扣装置相互锁定在一起。
根据本发明的另一个实例性的实施例，所述锁扣装置为卡扣结构，并且所述卡扣结构包括：弹性卡钩，形成在所述盖子上；和槽口，形成在所述底座上，其中，当所述弹性卡钩插入和卡扣到槽口中时，所述盖子和所述底座被锁定在 一起。
根据本发明的另一个实例性的实施例，所述锁扣装置为偏心轮锁紧机构，并且所述偏心轮锁紧机构包括：搭扣板，连接到所述盖子上；滑动板，滑动地安装在所述搭扣板上，能够沿搭扣板滑动；转动圆盘，转动地安装在所述滑动板上；偏心凸轮件，连接到所述转动圆盘上并与转动圆盘的中心偏移预定距离，并且所述偏心凸轮件接合到搭扣板上形成的槽口中；轴部件，连接到所述滑动板的下端；和卡槽，形成在所述底座上，所述轴部件卡持到所述卡槽中，其中，当转动圆盘被旋转时，偏心凸轮件能够在锁紧盖子和底座的锁紧位置和松开盖子和底座的解锁位置之间移动；其中，当偏心凸轮件朝锁紧位置移动时，偏心凸轮件驱动滑动板和搭扣板朝相互靠近的方向移动，从而向盖子和底座施加拉紧力，实现盖子和底座之间的锁紧；并且其中，当偏心凸轮件朝解锁位置移动时，偏心凸轮件驱动滑动板和搭扣板朝相互分离的方向移动，从而松开盖子和底座。
根据本发明的另一个实例性的实施例，在所述转动圆盘上连接有旋转扳手，用于向转动圆盘施加旋转力。
根据本发明的另一个实例性的实施例，在所述转动圆盘上形成有插孔，用于在该插孔中插入力臂工具，以便向转动圆盘施加旋转力。
根据本发明的另一个实例性的实施例，所述偏心凸轮件为圆盘状，并且其直径小于转动圆盘的直径。
根据本发明的另一个实例性的实施例，所述偏心凸轮件为椭圆形，并且其长轴的长度小于转动圆盘的直径。
根据本发明的另一个实例性的实施例，在所述底座的侧面上形成有成对的凸起肋，并且每个偏心轮锁紧机构的搭扣板和滑动板位于相应的一对凸起肋之间。
根据本发明的另一个实例性的实施例，所述卡槽形成在每对凸起肋的下端上，所述轴部件的两端卡入所述卡槽中。
根据本发明的另一个实例性的实施例，在所述底座的侧壁上形成有光缆容纳槽，待接续的光缆容纳在光缆容纳槽中。
根据本发明的另一个实例性的实施例，在所述底座的外侧壁上形成有一个把手部。
根据本发明的另一个实例性的实施例，在所述盖子的外表面上形成有多条 相互交叉的增强肋。
根据本发明的另一个实例性的实施例，所述增强肋上具有标尺，给现场安装提供测量长度的量测功能。
根据本发明的另一个方面，提供一种光缆接续保护装置的安装方法，包括以下步骤：
提供与光缆接续保护装置的壳体的底座分离的光缆固定装置；
将待接续的光缆的加强筋和外护套固定到所述光缆固定装置上；
将预先固定有待接续的光缆的光缆固定装置固定到壳体的底座中；
在底座的凹槽中放置密封件；和
将壳体的盖子闭合到壳体的底座上。
本发明与现有技术的区别在于简化了光缆接续装置的设计结构从而使现场接续及保护操作变得方便、快捷。现场操作人员将光缆开剥直至各部分的长度为所需定长，将光缆加强筋固定在光缆固定装置的加强筋固定装置上，再将光缆通过绑扎件固定在光缆固定装置的相应位置，然后将套管光纤排布在位于盘纤辅助装置下方的接续装置底座开槽内，将露出的一次被覆光纤套入光纤接续保护套管，对光纤进行剥纤、清洁、割纤，进行接续，接续完成后，将保护光纤接续的保护套管进行必要的处理(如热缩)后，将光纤余长收纳在盘纤辅助装置内，同时将接续保护套管按次序放置在光缆接续保护装置内的相应卡槽内。卡槽通过机械配合的方式与保护套管配合，并且卡槽为与壳体壳底座形成一体的组件。底座上安装了包含至少两个盘纤辅助装置，其具有两种基本功能，其一，该盘纤辅助装置与底座的开槽之间形成的约束空间用于摆放光缆中的光纤套管/出射光纤，并使之与用于接续部分的余纤分隔开来，其二，该盘纤辅助装置作为底板的装置增大了光纤的盘纤摆放空间并利于固定光纤的位置，使光纤在接续装置内有序摆放。光缆接续保护装置的壳体由底座和盖子构成，填充于底座和盖子之间的合缝槽内的密封件通过底座和盖子的压合实现锁紧密封，无需采用特别工具实现闭合密封。这样大大地降低了对施工人员的专业及技能的熟练程度的依赖，通过简便的操作完成两根光缆中光纤的熔接、盘纤，最后合盖实现对接续的完整保护。如需要对某些接续光纤对进行维护，使用简易工具即可开启盖子与底座的闭合，在完成所需要的维护后，重新合盖实现整体保护。
通过下文中参照附图对本发明所作的描述，本发明的其它目的和优点将显 而易见，并可帮助对本发明有全面的理解。
附图说明
图1显示根据本发明的一个实例性的实施例的光缆接续保护装置的立体示意图；
图2显示图1中的光缆接续保护装置的底座以及安装在底座中的光缆固定装置和盘纤辅助装置的示意图；
图3显示图1中的光缆接续保护装置的盖子的立体示意图；
图4显示图1中的光缆接续保护装置的底座的立体示意图；
图5A显示图1中的光缆接续保护装置的光缆固定装置的立体示意图；
图5B显示将待接续的光缆的加强筋和外护套预先固定到光缆固定装置上的示意图；
图6A显示用于同时固定多对待接续的光缆的多个光缆固定装置的示意图；
图6B显示将多对待接续的光缆的加强筋和外护套预先固定到多个光缆固定装置上的示意图；
图7A和图7B显示根据本发明的另一个实例性的实施例的光缆固定装置的示意图；
图7C显示利用图7A和图7B所示的光缆固定装置固定光缆的加强筋的示意图；
图8A、图8B和图8C显示根据本发明的又一个实例性的实施例的光缆固定装置的示意图；
图8D和图8E显示利用图8A、图8B和图8C所示的光缆固定装置固定光缆的加强筋的示意图；
图9A显示根据本发明的一个实例性的实施例的盘纤辅助装置的示意图；
图9B显示根据本发明的另一个实例性的实施例的盘纤辅助装置的示意图；
图9C显示根据本发明的又一个实例性的实施例的盘纤辅助装置的示意图；
图10A显示将图9A所示的盘纤辅助装置布置在底座中的示意图；
图10B显示根据本发明的另一个实例性的实施例的具有单独的柔性垫片的盘纤辅助装置的示意图；
图11显示图1所示的光缆接续保护装置的盖子和底座闭合在一起时的示意图；
图12显示根据本发明的另一个实例性的实施例的光缆接续保护装置的盖子和底座的锁扣结构的示意图；
图13A显示根据本发明的又一个实例性的实施例的光缆接续保护装置的盖子和底座的锁扣结构的示意图，其中盖子和底座处于锁紧位置；
图13B显示当盖子和底座处于锁紧位置时的偏心凸轮件所处的位置；
图13C显示当盖子和底座处于锁紧位置时的偏心轮锁紧机构的内侧视图；
图14A显示根据本发明的又一个实例性的实施例的光缆接续保护装置的盖子和底座的锁扣结构的示意图，其中盖子和底座处于解锁位置；
图14B显示当盖子和底座处于解锁位置时的偏心凸轮件所处的位置；
图14C显示当盖子和底座处于解锁位置时的偏心轮锁紧机构的内侧视图；
图15显示根据本发明的再一个实例性的实施例的光缆接续保护装置的盖子和底座的锁扣结构的示意图；和
图16显示根据本发明的另一个实例性的实施例的偏心凸轮件的示意图。
具体实施方式
下面通过实施例，并结合附图，对本发明的技术方案作进一步具体的说明。在说明书中，相同或相似的附图标号指示相同或相似的部件。下述参照附图对本发明实施方式的说明旨在对本发明的总体发明构思进行解释，而不应当理解为对本发明的一种限制。
根据本发明的一个总体构思，提供一种光缆接续保护装置，包括：壳体，包括盖子100和底座200；和至少一个光缆固定装置300，用于将待接续的光缆10、20固定到壳体的底座200上，其中，光缆固定装置300为与底座200分离的独立部件，并且能够以可拆卸的方式安装在壳体的底座200中；并且在将光缆固定装置300安装到壳体的底座200之前，待接续的光缆10、20的所有加强筋预先固定到光缆固定装置300上。
图1显示根据本发明的一个实例性的实施例的光缆接续保护装置的立体示意图。
如图1所示，光缆接续保护装置包括壳体，该壳体包括盖子100和底座200。在该底座200中安装有至少一个光缆固定装置300，用于将待接续的光缆10、20固定到壳体的底座200上。
图4显示图1中的光缆接续保护装置的底座200的立体示意图；图5A显 示图1中的光缆接续保护装置的光缆固定装置300的立体示意图；图5B显示将待接续的光缆10、20的加强筋11、21和外护套预先固定到光缆固定装置300上的示意图。
图4、图5A和图5B所示，光缆固定装置300为与底座200分离的独立部件，并且能够以可拆卸的方式安装在壳体的底座200中。在将光缆固定装置300安装到壳体的底座200之前，待接续的光缆10、20的所有加强筋11、21和外护套预先固定到光缆固定装置300上。然后，如图2所示，再将预先固定有待接续的光缆10、20的光缆固定装置300固定到底座200中。
请继续参见图5A和图5B，每个光缆固定装置300包括用于固定待接续的光缆10、20的加强筋11、21的加强筋固定装置。
在图5A和图5B所示的实例性的实施例中，加强筋固定装置包括柱状凸起311、312和螺纹紧固件321、322。柱状凸起311、312从光缆固定装置300的表面突起，在柱状凸起311、312上形成有沿柱状凸起311、312的轴向延伸的螺纹孔3110、3120和沿柱状凸起311、312的径向贯穿螺纹孔3110、3120的加强筋孔301、302(图5A中的虚线所示)，光缆10、20的加强筋11、21穿入加强筋孔301、302中。螺纹紧固件321、322拧到柱状凸起311、312的螺纹孔3110、3120中，用于将已穿入加强筋孔301、302中的加强筋11、21紧固到柱状凸起311、312上。
在图5A和图5B所示的实例性的实施例中，每个光缆固定装置300还包括紧固带361、362，该紧固带361、362将光缆10、20的外护套束缚到光缆固定装置300的端部上。
如图5A和图5B所示，每个光缆固定装置300具有长条状主体，在该长条状主体的两端分别形成有沿长条状主体的长度方向延伸的光缆容纳凹槽341、342，光缆10、20的外护套容纳在光缆容纳凹槽341、342中；并且在长条状主体的两端分别形成有沿长条状主体的宽度方向向内收缩的颈部351、352，紧固带361、362定位在颈部351、352处，并将光缆10、20的外护套束缚到该颈部351、352上。
如图5A所示，光缆容纳凹槽341、342的表面为凸凹不平的表面，以增大摩擦保持力。
如图5A和图5B所示，长条状主体的中间部为平坦部，并且其高度低于长条状主体的两端部，从而在长条状主体的中间部的两端形成凸起的定位边缘 3411、3421，该定位边缘3411、3421用于确定固定在光缆固定装置300上的光缆10、20的外护套的长度。
如图2、图4、图5A和图5B所示，光缆固定装置300可以通过螺钉3311安装到壳体的底座200上。
如图5A和图5B所示，在长条状主体的中间部上形成有多个固定孔331，并且，如图4所示，在壳体的底座200的底面上形成有与多个固定孔331分别对应的螺纹孔231。如图2所示，螺钉3311穿过长条状主体的固定孔331并拧入底座200的螺纹孔231中，从而将光缆固定装置300固定到壳体的底座200上。
图6A显示用于同时固定多对待接续的光缆10、20的多个光缆固定装置300的示意图；图6B显示将多对待接续的光缆10、20的加强筋和外护套预先固定到多个光缆固定装置300上的示意图。
在图6A和图6B所示的实施例中，包括多个如图5A和图5B所示的光缆固定装置300，用于将多对待接续的光缆10、20固定到壳体的底座200上。
图7A和图7B显示根据本发明的另一个实例性的实施例的光缆固定装置300’的示意图；图7C显示利用图7A和图7B所示的光缆固定装置300’固定光缆10、20的加强筋11、21的示意图。
在图7A、图7B和图7C所示的实施例中，加强筋固定装置包括：一个盒状容纳部310’和一个压块320’。盒状容纳部310’形成在光缆固定装置300的表面上，该盒状容纳部310’具有从光缆固定装置300’的表面凸起的四壁，并且在盒状容纳部310’的端壁上形成有加强筋孔3101’、3102’，在盒状容纳部310’的底面上形成有第一加强筋固定槽3111’，光缆10、20的加强筋11、21穿入加强筋孔3101’、3102’并容纳在第一加强筋固定槽3111’中。压块320’容纳在盒状容纳部310’中，并通过螺钉3312’紧固到盒状容纳部310’的底部上，从而将穿入盒状容纳部310’的加强筋孔3101’、3102’的加强筋11、21挤压在第一加强筋固定槽3111’中。
如图7A、图7B和图7C所示，压块320’是一个整体件，用于同时挤压和固定待接续的光缆10、20的加强筋11、21。
请继续参见图7A、图7B和图7C，在盒状容纳部310’的底面上形成有螺纹孔3112’，并且在压块320’上形成有固定孔3212’，螺钉3312’穿过压块320’的固定孔3212’并拧入到盒状容纳部310’的螺纹孔3112’中，从而将压块320’ 紧固到盒状容纳部310’的底部上。
如图7A、图7B和图7C所示，在压块320’上还形成有第二加强筋固定槽3211’，加强筋11、21被挤压在第一加强筋固定槽3111’和第二加强筋固定槽3211’之间。
如图7A、图7B和图7C所示，第一加强筋固定槽3111’和/或第二加强筋固定槽3211’的表面为凸凹不平的表面，以增大对加强筋11、21的摩擦保持力。
图8A、图8B和图8C显示根据本发明的又一个实例性的实施例的光缆固定装置300”的示意图；图8D和图8E显示利用图8A、图8B和图8C所示的光缆固定装置300”固定光缆的加强筋的示意图。
在图8A、图8B、图8C、图8D和图8E所示的实施例中，加强筋固定装置300”包括一个盒状容纳部310”和压块320”。盒状容纳部310”形成在光缆固定装置300的表面上，该盒状容纳部310”具有从光缆固定装置300”的表面凸起的四壁，并且在盒状容纳部310”的端壁上形成有加强筋孔3101”、3102”，在盒状容纳部310”的底面上形成有第一加强筋固定槽3111”，光缆10、20的加强筋11、21穿入加强筋孔3101”、3102”并容纳在第一加强筋固定槽3111”中。压块320”容纳在盒状容纳部310”中，并通过螺钉3312”紧固到盒状容纳部310”的底部上，从而将穿入盒状容纳部310”的加强筋孔3101”、3102”的加强筋11、21挤压在第一加强筋固定槽3111”中，
如图8A、图8B、图8C、图8D和图8E所示，压块320”包括第一块体321”和第二块体322”，第一块体321”和第二块体322”相互转动地连接在一起，并且第一块体321”用于单独挤压和固定待接续的光缆10、20中的第一光缆10的加强筋11，第二块体322”用于单独挤压和固定待接续的光缆10、20中的第二光缆20的加强筋21。
如图8A、图8B、图8C、图8D和图8E所示，在盒状容纳部310”的底面上形成有螺纹孔3112”，并且在压块320”上形成有固定孔3212”，螺钉3312”穿过压块320”的固定孔3212”并拧入到盒状容纳部310”的螺纹孔3112”中，从而将压块320”紧固到盒状容纳部310”的底部上。
尽管未图示，在压块320”上还可以形成有第二加强筋固定槽，加强筋11、21被挤压在第一加强筋固定槽3111”和第二加强筋固定槽之间。
在本发明的一个实施例中，第一加强筋固定槽3111”和/或第二加强筋固定槽的表面为凸凹不平的表面，以增大对力加强筋11、21的摩擦保持力。
根据本发明的另一个总体构思，提供一种光缆接续保护装置，包括：壳体，包括盖子100和底座200；和盘纤辅助装置400，安装在壳体的底座200中。其中，盘纤辅助装置400包括：底部片401；柔性挡片410、420，可拆卸地安装在底部片401的顶部；和弹性偏压元件403，安装在壳体的底座200中，用于向底部片401施加弹性偏压力，其中，底部片401在弹性偏压元件403的作用下按压在待接续的光缆10、20的光纤套管13、23上，用于防止光纤套管13、23出现盘绕和杂乱；并且其中，待接续的光缆10、20的光纤12、22在底部片401的上方、沿由柔性挡片410、420限定的无弯曲损耗路径盘绕并被柔性挡片410、420有序地约束在合适的位置处。
图2显示图1中的光缆接续保护装置的底座200以及安装在底座200中的光缆固定装置300和盘纤辅助装置400的示意图。图9A显示根据本发明的一个实例性的实施例的盘纤辅助装置400的示意图。
如图9A所示，在图示的实施例中，盘纤辅助装置400主要包括底部片401；柔性挡片410、420，可拆卸地安装在底部片401的顶部；和弹性偏压元件403，安装在壳体的底座200中，用于向底部片401施加弹性偏压力。其中，底部片401在弹性偏压元件403的作用下按压在待接续的光缆10、20的光纤套管13、23上，用于防止光纤套管13、23出现盘绕和杂乱；并且其中，待接续的光缆10、20的光纤12、22在底部片401的上方、沿由柔性挡片410、420限定的无弯曲损耗路径盘绕并被柔性挡片410、420有序地约束在合适的位置处。
本发明利用底部片401将光纤套管13、23与光纤12、22分隔开，不仅利用对光纤套管13、23和光纤12、22进行有序管理，而且，能够扩大光纤12、22的盘绕空间，因为光纤12、22可以直接盘绕在底部片401的上方。
请继续参见图9A，弹性偏压元件403为扭矩弹簧，并且在底部片401的底部的一侧形成有一对相互面对的安装轴402，一对扭矩弹簧分别套装在一对安装轴402上。
如图10A所示，在壳体的底座200的底面上形成有光纤套管卡槽，光纤套管13、23放置在光纤套管卡槽中，并且被按压在底部片401的下方。
在本发明的一个实施例中，底部片401可以为柔性片状部件。但是，本发明不局限于此，底部片401也可以为刚性片状部件，当底部片401为刚性片状部件，可以在底部片401的下方提供一个柔性垫片，例如，如图10B所示，盘纤辅助装置还包括柔性垫片4011，该柔性垫片4011覆盖在光纤套管13、23上， 并且底部片401按压在柔性垫片4011上。
如图9A和图10A所示，底部片401的上侧表面上形成有多个凸起的插接片4016、4026。柔性挡片410、420包括腿部416、426和位于腿部416、426的上端的多个齿状部411、421。腿部416、426的下端中形成有插孔(未图示)，插接片4016、4026插入插孔中，从而将柔性挡片410、420组装到底部片401上。
如图9A、图9B和图9C所示，在每个底部片401上安装有多个柔性挡片410、420，并且相邻两个柔性挡片410、420的齿状部411、421相互交错地布置。
如图9A、图9B所示，在每个底部片401上安装有第一柔性挡片410和第二柔性挡片420，并且第一柔性挡片410和第二柔性挡片420相互间隔地面对。
如图2和图9A、图9B所示，第一柔性挡片410设置在靠近壳体的底座200的外侧，并且第二柔性挡片420设置在第一柔性挡片410的内侧。
在图9A所示的实施例中，仅在第一柔性挡片410的面对第二柔性挡片420的一侧形成有多个第一齿状部411；并且仅在第二柔性挡片420的面对第一柔性挡片410的一侧形成有多个第二齿状部421。
在图9B所示的实施例中，仅在第一柔性挡片410的面对第二柔性挡片420的一侧形成有多个第一齿状部411；并且在第二柔性挡片420的面对第一柔性挡片410的一侧和背对第一柔性挡片410的另一侧均形成有多个第二齿状部421。这样，光纤12、22不仅可以盘绕在第一柔性挡片410和第二柔性挡片420之间，而且也可以盘绕在第二柔性挡片420背对第一柔性挡片410的一侧，从而增大了光纤12、22的盘绕空间。
在图9C所示的实施例中，在每个底部片401上还安装有第三柔性挡片430，第三柔性挡片430布置在第二柔性挡片420的内侧，并且仅在第三柔性挡片430的面对第二柔性挡片420的一侧形成有多个第三齿状部431。
如图2、图10A和图10B所示，在壳体的底座200中安装有两对盘纤辅助装置400，其中一对盘纤辅助装置400布置在底座200的纵向两端的中部，另一对盘纤辅助装置400布置在底座200的横向两端的中部。
如图2、图10A和图10B所示，在壳体的底座200的中部还形成有一排用于保持光纤接续保护套管(未图示，可以为热缩管)的卡槽250。
根据本发明的另一个总体构思，提供一种光缆接续保护装置，包括壳体， 壳体包括盖子100和底座200。其中，在盖子100和底座200中的一个的四壁的配合边缘上形成有一圈凹槽201，并在凹槽201中放置有弹性密封件202；在盖子100和底座200中的另一个的四壁的配合边缘上形成有一圈凸起102；并且盖子100以锁扣的方式锁紧到底座200上，在盖子锁紧到底座200上时，凸起102挤压在弹性密封件202上并嵌入到凹槽201中，从而实现盖子100和底座200之间的密封锁紧。
图3显示图1中的光缆接续保护装置的盖子100的立体示意图。图11显示图1所示的光缆接续保护装置的盖子和底座闭合在一起时的示意图。
如图1、图3和图4所示，在底座200的四壁的上部配合边缘上形成有一圈凹槽201，并在凹槽201中放置有弹性密封件202。在盖子100的四壁的下部配合边缘上形成有一圈凸起102。盖子100以锁扣的方式锁紧到底座200上，如图11所示，在盖子锁紧到底座200上时，盖子100上的凸起102挤压在弹性密封件202上并嵌入到凹槽201中，从而实现盖子100和底座200之间的密封锁紧。
但是，本发明不局限于图示的实施例，在本发明的另一个实施例中，一圈凸起形成在底座的四壁的上部配合边缘上，而一圈凹槽形成在盖子的四壁的下部配合边缘上。
在本发明的一个实例性的实施例中，盖子100和底座200的至少一侧通过锁扣装置相互锁定在一起。
请继续参见图1、图3、图4和图11，在图示的实施例中，盖子100和底座200的一侧通过铰链转动地连接在一起，并且盖子100和底座200的另一侧通过锁扣装置相互锁定在一起。
如图1、图3、图4和图11所示，锁扣装置为卡扣结构，并且卡扣结构包括：弹性卡钩122，形成在盖子100上；和槽口222，形成在底座200上，其中，当弹性卡钩122插入和卡扣到槽口222中时，盖子100和底座200被锁定在一起。
图12显示根据本发明的另一个实例性的实施例的光缆接续保护装置的盖子和底座的锁扣结构的示意图。
如图12所示，盖子100和底座200的一侧通过锁扣装置相互锁定在一起，并且盖子100和底座200的另一侧也通过锁扣装置相互锁定在一起。
图13A、图13B、图13C、图14A、图14B和图14C显示根据本发明的又 一个实例性的实施例的光缆接续保护装置的盖子和底座的锁扣结构的示意图。
如图13A、图13B、图13C、图14A、图14B和图14C所示，锁扣装置为偏心轮锁紧机构，并且偏心轮锁紧机构包括：搭扣板602，连接到盖子100上；滑动板601，滑动地安装在搭扣板602上，能够沿搭扣板602滑动；转动圆盘603，转动地安装在滑动板601上；偏心凸轮件608，连接到转动圆盘603上并与转动圆盘603的中心偏移预定距离，并且偏心凸轮件608接合到搭扣板602上形成的槽口606中；轴部件605，连接到滑动板601的下端；和卡槽611，形成在底座200上，轴部件605卡持到卡槽611中，其中，当转动圆盘603被旋转时，偏心凸轮件608能够在锁紧盖子100和底座200的锁紧位置(图13A、图13B、图13C所示的位置)和松开盖子100和底座200的解锁位置(图14A、图14B、图14C所示的位置)之间移动；其中，当偏心凸轮件608朝锁紧位置移动时，偏心凸轮件608驱动滑动板601和搭扣板602朝相互靠近的方向移动，从而向盖子100和底座200施加拉紧力，实现盖子100和底座200之间的锁紧；并且其中，当偏心凸轮件608朝解锁位置移动时，偏心凸轮件608驱动滑动板601和搭扣板602朝相互分离的方向移动，从而松开盖子100和底座200。
如图13A、图13B、图13C、图14A、图14B和图14C所示，在转动圆盘603上连接有旋转扳手604，用于向转动圆盘603施加旋转力。
如图13A、图13B、图13C、图14A、图14B和图14C所示，在底座200的侧面上形成有成对的凸起肋610，并且每个偏心轮锁紧机构的搭扣板602和滑动板601位于相应的一对凸起肋610之间。
如图13A、图13B、图13C、图14A、图14B和图14C所示，卡槽611形成在每对凸起肋610的下端上，轴部件605的两端卡入卡槽611中。
图15显示根据本发明的再一个实例性的实施例的光缆接续保护装置的盖子和底座的锁扣结构的示意图。
如图15所示，在转动圆盘603上形成有插孔6041，用于在该插孔6041中插入力臂工具，以便向转动圆盘603施加旋转力。
在图13A、图13B、图13C、图14A、图14B和图14C所示的实施例中，偏心凸轮件608为圆盘状，并且其直径小于转动圆盘603的直径。
图16显示根据本发明的另一个实例性的实施例的偏心凸轮件的示意图。
在图16所示的实施例中，偏心凸轮件608为椭圆形，并且其长轴的长度小于转动圆盘603的直径。
请参见图4和图2，在底座200的侧壁上形成有光缆容纳槽211、212，待接续的光缆10、20容纳在光缆容纳槽211、212中。
如图1所示，在底座200的外侧壁上形成有一个把手部210。
如图3所示，在盖子100的外表面上形成有多条相互交叉的纵向和横向增强肋101。
如图3所示，增强肋上具有标尺，给现场安装提供测量长度的量测功能，便于现场安装，而不需要携带单独的长度测量工具。
本领域的技术人员可以理解，上面所描述的实施例都是示例性的，并且本领域的技术人员可以对其进行改进，各种实施例中所描述的结构在不发生结构或者原理方面的冲突的情况下可以进行自由组合。
虽然结合附图对本发明进行了说明，但是附图中公开的实施例旨在对本发明优选实施方式进行示例性说明，而不能理解为对本发明的一种限制。
虽然本总体发明构思的一些实施例已被显示和说明，本领域普通技术人员将理解，在不背离本总体发明构思的原则和精神的情况下，可对这些实施例做出改变，本发明的范围以权利要求和它们的等同物限定。
应注意，措词“包括”不排除其它元件或步骤，措词“一”或“一个”不排除多个。另外，权利要求的任何元件标号不应理解为限制本发明的范围。

Claims (16)

  1. 一种光缆接续保护装置，包括：
    壳体，包括盖子(100)和底座(200)；和
    盘纤辅助装置(400)，安装在所述壳体的底座(200)中，
    其特征在于：
    所述盘纤辅助装置(400)包括：
    底部片(401)；
    柔性挡片(410、420)，可拆卸地安装在底部片(401)的顶部；和
    弹性偏压元件(403)，安装在所述壳体的底座(200)中，用于向底部片(401)施加弹性偏压力，
    其中，所述底部片(401)在弹性偏压元件(403)的作用下按压在待接续的光缆(10、20)的光纤套管(13、23)上，用于防止光纤套管(13、23)出现盘绕和杂乱；并且
    其中，所述待接续的光缆(10、20)的光纤(12、22)在所述底部片(401)的上方、沿由柔性挡片(410、420)限定的无弯曲损耗路径盘绕并被柔性挡片(410、420)有序地约束在合适的位置处。
  2. 根据权利要求1所述的光缆接续保护装置，其特征在于，
    所述弹性偏压元件(403)为扭矩弹簧，并且在所述底部片(401)的底部的一侧形成有一对相互面对的安装轴(402)，一对扭矩弹簧分别套装在所述一对安装轴(402)上。
  3. 根据权利要求2所述的光缆接续保护装置，其特征在于，
    在所述壳体的底座(200)的底面上形成有光纤套管卡槽，所述光纤套管(13、23)放置在光纤套管卡槽中，并且被按压在底部片(401)的下方。
  4. 根据权利要求3所述的光缆接续保护装置，其特征在于，所述底部片(401)为柔性片状部件。
  5. 根据权利要求4所述的光缆接续保护装置，其特征在于，所述盘纤辅助 装置还包括：
    柔性垫片(4011)，所述柔性垫片(4011)覆盖在光纤套管(13、23)上，并且所述底部片(401)按压在柔性垫片(4011)上。
  6. 根据权利要求4或5所述的光缆接续保护装置，其特征在于，
    所述底部片(401)的上侧表面上形成有多个凸起的插接片(4016、4026)；
    所述柔性挡片(410、420)包括腿部(416、426)和位于腿部(416、426)的上端的多个齿状部(411、421)；
    所述腿部(416、426)的下端中形成有插孔，所述插接片(4016、4026)插入所述插孔中，从而将柔性挡片(410、420)组装到底部片(401)上。
  7. 根据权利要求6所述的光缆接续保护装置，其特征在于，
    在每个底部片(401)上安装有多个柔性挡片(410、420)，并且
    相邻两个柔性挡片(410、420)的齿状部(411、421)相互交错地布置。
  8. 根据权利要求7所述的光缆接续保护装置，其特征在于，
    在每个底部片(401)上安装有第一柔性挡片(410)和第二柔性挡片(420)，并且所述第一柔性挡片(410)和第二柔性挡片(420)相互间隔地面对。
  9. 根据权利要求8所述的光缆接续保护装置，其特征在于，
    所述第一柔性挡片(410)设置在靠近壳体的底座(200)的外侧，并且第二柔性挡片(420)设置在第一柔性挡片(410)的内侧。
  10. 根据权利要求9所述的光缆接续保护装置，其特征在于，
    仅在所述第一柔性挡片(410)的面对第二柔性挡片(420)的一侧形成有多个第一齿状部(411)；并且
    仅在所述第二柔性挡片(420)的面对第一柔性挡片(410)的一侧形成有多个第二齿状部(421)。
  11. 根据权利要求9所述的光缆接续保护装置，其特征在于，
    仅在所述第一柔性挡片(410)的面对第二柔性挡片(420)的一侧形成有 多个第一齿状部(411)；并且
    在所述第二柔性挡片(420)的面对第一柔性挡片(410)的一侧和背对第一柔性挡片(410)的另一侧均形成有多个第二齿状部(421)。
  12. 根据权利要求11所述的光缆接续保护装置，其特征在于，
    在每个底部片(401)上还安装有第三柔性挡片(430)，所述第三柔性挡片(430)布置在第二柔性挡片(420)的内侧，并且
    仅在所述第三柔性挡片(430)的面对第二柔性挡片(420)的一侧形成有多个第三齿状部(431)。
  13. 根据权利要求12所述的光缆接续保护装置，其特征在于，
    在所述壳体的底座(200)中安装有两对盘纤辅助装置(400)，其中一对盘纤辅助装置(400)布置在底座(200)的纵向两端的中部，另一对盘纤辅助装置(400)布置在底座(200)的横向两端的中部。
  14. 根据权利要求12所述的光缆接续保护装置，其特征在于，
    在所述壳体的底座(200)的中部还形成有一排用于保持光纤接续保护套管的卡槽(250)。
  15. 一种光缆接续保护装置的安装方法，包括以下步骤：
    提供与光缆接续保护装置的壳体的底座(200)分离的光缆固定装置(300)；
    将待接续的光缆(10、20)的加强筋(11、21)和外护套固定到所述光缆固定装置(300)上；
    将预先固定有待接续的光缆的光缆固定装置(300)固定到壳体的底座(200)中；
    将光纤套管(13、23)放置在光纤套管卡槽中，并利用盘纤辅助装置(400)的底部片(401)按压在光纤套管(13、23)上；和
    将壳体的盖子(100)闭合到壳体的底座(200)上。
  16. 根据权利要求15所述的安装方法，还包括以下步骤：
    在将底部片(401)按压在光纤套管(13、23)上之前，在光纤套管(13、 23)上覆盖柔性垫片(4011)。
PCT/CN2015/076683 2014-04-15 2015-04-15 光缆接续保护装置及其安装方法 WO2015158269A1 (zh)

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