CN111158091A - Section joint applied to anti-breaking tensile optical cable - Google Patents
Section joint applied to anti-breaking tensile optical cable Download PDFInfo
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- CN111158091A CN111158091A CN201911361389.1A CN201911361389A CN111158091A CN 111158091 A CN111158091 A CN 111158091A CN 201911361389 A CN201911361389 A CN 201911361389A CN 111158091 A CN111158091 A CN 111158091A
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- 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
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
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- 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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- 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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
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Abstract
The invention provides a section joint applied to a breakage-proof tensile optical cable, belongs to the technical field of cable equipment, and solves the problems that the tensile breakage-proof performance of the optical cable is poor, the optical cable cannot be quickly connected, disconnected and the like. The section joint for the anti-breaking tensile optical cable comprises an optical cable connecting end I, a first combining part, a second combining part and an optical cable connecting end II, wherein one end of the optical cable connecting end I is inserted into one end of the first combining part, one end of the optical cable connecting end II is inserted into one end of the second combining part, the other end of the first combining part is connected with the other end of the second combining part, two symmetrical anti-breaking ropes are arranged between the insulating layer and the fire retardant layer, and symmetrical anti-breaking protrusions are arranged outside the fire retardant layer. The first optical cable connecting end can be quickly inserted and locked with the first combining part, the second optical cable connecting end can be quickly inserted and locked with the second combining part, the stability is good, and the tensile property and the breaking resistance and the tensile strength of the optical cable are improved by adopting the breaking-proof rope and the breaking-proof bulge.
Description
Technical Field
The invention belongs to the related technical field of cable equipment, relates to an optical cable connecting device, and particularly relates to a section joint applied to a breakage-proof tensile optical cable.
Background
Cable is a generic term for electrical cables, optical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, and is a common and indispensable object in daily life. The optical cable is an optical fiber, which is also called optical fiber for short, and is a light conduction tool for achieving the transmission of light in the fiber made of glass or plastic by the total reflection principle. And (5) packaging the micro optical fiber. In a plastic sheath, so that it can be bent without breaking.
With the rapid development of the times, people have higher and higher requirements on optical cables and comprehensive wiring system performance. However, due to the above-mentioned limitations of the structure and wiring of the optical cable, the outer skins of the optical cables may be adhered to each other and finally broken as the optical cable is used for a long time.
How improve the tensile of optical cable and prevent disconnected performance, make it can reach higher service life, and when the fracture takes place, perhaps when optical cable length is not enough, need connect the optical cable, just can avoid extravagant, but lack connecting device, connect into the optical cable wholly, and current attach fitting, for the stability of guaranteeing to connect and the structure is complicated relatively, make the connection work complicated, work efficiency is low, still easily cause optic fibre atress damage, connecting device can only press from both sides on the crust, very easily pull open and drop, stability can be poor, can cause ageing, lack the better block connection of stability.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a section joint applied to an anti-breaking tensile optical cable, which aims to solve the technical problems that: how to improve the tensile anti-fracture performance of the optical cable and the function that the optical cable can be connected fast and stably.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a be applied to section joint of preventing disconnected tensile optical cable, includes optical cable link one, conjunction two and optical cable link two, the one end of optical cable link one is inserted and is closed in the one end of conjunction one, and the one end of optical cable link two is inserted and is closed in the one end of conjunction two, and the other end of conjunction one is connected with the other end of conjunction two, optical cable link one and optical cable link two set gradually to optical core, insulating layer and back-fire relief layer from inside to outside, and are equipped with the rope that prevents that breaks of two symmetries between insulating layer and the back-fire relief layer, and the back-fire relief layer outside is equipped with the.
The working principle of the invention is as follows: the optical cable consists of an optical core, an insulating layer, a fire retardant layer and two symmetrical anti-breaking ropes arranged between the insulating layer and the fire retardant layer, wherein the anti-breaking ropes have good tensile property, and can also prevent breakage and breaking when the fire retardant layer is broken; when the optical cable is broken or the length of the optical cable is not long enough to be lengthened, the sections of the two optical cables to be connected are respectively manufactured into an optical cable connecting end I and an optical cable connecting end II, the optical cable connecting end I is connected with the combining part I, the optical cable connecting end II is connected with the combining part II, and then the combining part I and the combining part II are quickly connected together to form an optical cable whole.
One end of the first optical cable connecting end is cut off part of the fire retardant layer, the insulating layer, the anti-breaking rope and the anti-breaking protrusion, the exposed optical core forms a first optical core rod, and the other end of the first optical cable connecting end is close to one section of the first optical core rod, and the anti-breaking protrusion is cut off symmetrically to form a first optical cable connecting end clamping groove.
By adopting the mechanism, a connecting end part is formed and can be quickly connected with the combining piece.
One end of the optical cable connecting end II is cut off part of the fire retardant layer, the insulating layer, the anti-breaking rope and the anti-breaking bulge, the exposed optical core forms an optical core rod II, one end of the optical cable connecting end II is close to the position of the second section of the optical core rod, the anti-breaking bulge is cut off in a symmetrical mode to form a clamping groove of the optical cable connecting end II, and the length of the optical core rod II is longer than that of the optical core rod I.
By adopting the mechanism, a connecting end part is formed and can be quickly connected with the second combining part.
The first combining part comprises a combining nut, a first combining clamping core and a first combining blocking part, wherein the combining nut and the first combining blocking part are rotatably sleeved on the first combining clamping core, the end part of the combining nut is provided with a nut inner blocking protrusion, the inside of the combining nut is provided with a nut inner thread, the outside of the combining nut is provided with a nut anti-slip thread, the inside of the first combining clamping core is provided with a clamping core slot, the outside of the first combining clamping core is provided with a clamping core outer thread, the outside of the first combining clamping core is also fixedly provided with a clamping core outer blocking ring, the clamping core outer blocking ring is matched with the nut inner blocking protrusion to block a block, the inside of the first combining blocking part is provided with a blocking part slot, the blocking part slot is the same as the section of the clamping core slot, the first combining blocking part is provided with a symmetrical rotating hole, one end of the first combining blocking part is provided with a blocking part inner thread.
By adopting the mechanism, the combination nut and the combination stopper I are rotatably sleeved on the combination clamping core I, the combination nut can rotate, the threaded combination is convenient, the combination part II can be quickly connected, and the combination clamping core I is matched with the combination stopper I, so that the optical cable connecting end I can be quickly connected.
The combined part II comprises a combined screw core, a combined clamping core II and a combined blocking piece II, wherein the combined screw core and the combined blocking piece II are rotatably sleeved on the combined clamping core II, the end part of the combined screw core is provided with a screw core inner blocking protrusion, the outside of the combined screw core is provided with a screw core external thread and a screw core anti-slip thread, the inside of the combined clamping core II is provided with a clamping core two slot, the outside of the combined clamping core II is provided with a clamping core external thread, the outside of the combined clamping core II is also fixedly provided with a clamping core external blocking ring, the clamping core external blocking ring is matched with the screw core inner blocking protrusion for blocking, the inside of the combined blocking piece II is provided with a blocking piece two slot, the blocking piece two slot is the same as the section of the clamping core two slot, the combined blocking piece II is provided with a symmetrical rotating hole, one end of the combined blocking piece II is provided with a blocking piece two internal.
By adopting the mechanism, the combination screw core and the combination stopper II are both rotatably sleeved on the combination clamping core II, the combination screw core can rotate, the combination screw core is conveniently in threaded combination with a combination nut, the combination part I can be quickly connected, and the combination clamping core II and the combination stopper II are matched to quickly connect the optical cable connecting end II.
The outer diameter of the combined screw core is the same as the inner diameter of the combined screw cap, and the external thread of the screw core is in threaded fit with the internal thread of the screw cap.
By adopting the mechanism, the external thread of the screw core is matched with the internal thread of the screw cap in a threaded manner, and the first combining piece and the second combining piece are quickly connected.
The combined clamping core I is internally provided with a first optical core rod slot and an inserting rod slot, the first optical core rod slot is communicated with the first clamping core slot, the combined clamping core II is also internally provided with a second optical core rod slot, the end part of the combined clamping core II is provided with a second clamping core rod, and the second clamping core rod is inserted into the inserting rod slot in an interference fit manner.
By adopting the mechanism, the two insert rods of the clamping core are inserted in the insert rod slots in an interference fit manner, so that the quick connection can be realized, the tensile resistance is improved, and the optical cable is guided.
The first optical core rod is inserted in the first optical core rod slot in an interference fit mode, the length of the first optical core rod is shorter than the depth of the first optical core rod slot, the fire retardant layer of the first optical cable connecting end is inserted in the first optical core rod slot in an interference fit mode with the breakage-proof protrusion, the second optical core rod is inserted in the second optical core rod slot in an interference fit mode, the length of the second optical core rod is shorter than the depth of the second optical core rod slot in an interference fit mode, and the fire retardant layer of the second optical cable connecting end is inserted in the second optical core rod slot in an interference fit mode with the breakage-proof protrusion.
By adopting the mechanism, the tensile resistance of the first optical cable connecting end and the first combining part during quick connection is increased, and the tensile resistance of the second combining part and the second optical cable connecting end during quick connection is increased.
The other end of the first combined stopper is rotatably arranged in the first clamping groove at the optical cable connecting end, and the other end of the second combined stopper is rotatably arranged in the second clamping groove at the optical cable connecting end.
By adopting the mechanism, the first optical cable connecting end is prevented from falling off from the first combining part by stopping, and the second optical cable connecting end is prevented from falling off from the second combining part by stopping.
Compared with the prior art, the section joint applied to the anti-breaking tensile optical cable has the following advantages:
the first optical cable connecting end can be quickly connected with the first combining part in an inserting and locking manner, and the second optical cable connecting end can be quickly connected with the second combining part in an inserting and locking manner, so that the optical cable is prevented from being pulled and falling off, and is better in stability, and the whole optical cable is formed; the anti-breaking rope and the anti-breaking bulge are adopted to form the integral optical cable, so that the tensile property of the optical cable is improved, and the optical cable is anti-breaking, anti-breaking and durable.
Drawings
Fig. 1 is a perspective view showing a connection state of an optical cable according to the present invention.
Fig. 2 is an exploded view of the connection state of the optical cable of the present invention.
Fig. 3 is a schematic perspective view of a first coupling member according to the present invention.
FIG. 4 is an exploded sectional view of the first coupling member of the present invention.
Fig. 5 is a schematic perspective view of the second engaging member of the present invention.
FIG. 6 is an exploded sectional view of the second engaging member of the present invention.
FIG. 7 is a schematic cross-sectional view of a portion of a fiber optic cable according to the present invention.
In the figure: 1-optical cable connecting end I, 1 a-optical cable connecting end I clamping groove, 1 b-optical core rod I, 2-combining piece I, 2 a-combining screw cap, 2a 1-screw cap inner retaining protrusion, 2a 2-screw cap inner thread, 2a 3-screw cap anti-slip thread, 2 b-combining clamping core I, 2b 1-clamping core I slot, 2b 2-clamping core I external thread, 2b 3-clamping core I outer retaining ring, 2b 4-optical core rod I slot, 2b 5-inserted rod slot, 2 c-combining retaining piece I, 2c 1-retaining piece I slot, 2c 2-retaining piece I rotating hole, 2c 3-retaining piece I internal thread, 3-combination screw core II, 3 a-combination screw core, 3a 1-screw core external thread, 3a 2-screw core anti-slip thread, 3a 3-screw core inner retaining protrusion, 3 b-combination clamping core II, 3b 1-two inserted rods of card core, 3b 2-two baffle rings of card core, 3b 3-two external threads of card core, 3b 4-two slots of optical core rod, 3b 5-two slots of card core, 3 c-two combined baffles, 3c 1-two internal threads of baffles, 3c 2-two rotating holes of baffles, 3c 3-two slots of baffles, 4-two connecting ends of optical cable, 4 a-two connecting ends of optical cable, 4 b-two optical core rods, 5-fire retardant coating, 6-insulating layer, 7-optical core, 8-anti-breaking projection and 9-anti-breaking rope.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise expressly specified or limited, the terms "mounted," "connected," and "disposed" are intended to be construed broadly, as if they were fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed, for example. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-7, the present embodiment provides a section joint applied to a breakage-proof tensile optical cable, including an optical cable connecting end i 1, a first combining member 2, a second combining member 3, and an optical cable connecting end ii 4, wherein one end of the optical cable connecting end i 1 is inserted into one end of the first combining member 2, one end of the second optical cable connecting end ii 4 is inserted into one end of the second combining member 3, the other end of the first combining member 2 is connected with the other end of the second combining member 3, the optical cable connecting end i 1 and the optical cable connecting end ii 4 are sequentially arranged from inside to outside as an optical core 7, an insulating layer 6 and a fire retardant layer 5, two symmetrical breakage-proof ropes 9 are arranged between the insulating layer 6 and the fire retardant layer 5, and symmetrical breakage-; the optical cable consists of an optical core 7, an insulating layer 6, a fire retardant layer 5 and two symmetrical anti-breaking ropes 9 arranged between the insulating layer 6 and the fire retardant layer 5, wherein the anti-breaking ropes 9 have good tensile property, when the fire retardant layer 5 is broken, the anti-breaking ropes 9 can also prevent breakage and breaking, symmetrical anti-breaking bulges 8 are arranged outside the fire retardant layer 5, and the anti-breaking bulges 8 also play a role in tensile and breaking; when the optical cable is broken or the length of the optical cable is not long enough to be lengthened, the sections of the two optical cables to be connected are respectively manufactured into an optical cable connecting end I1 and an optical cable connecting end II 4, the optical cable connecting end I1 is connected with the combining part I2, the optical cable connecting end II 4 is connected with the combining part II 3, and then the combining part I2 and the combining part II 3 are quickly connected together to form an optical cable whole.
One end of the optical cable connecting end I1 is cut off part of the fire retardant layer 5, the insulating layer 6, the anti-breaking rope 9 and the anti-breaking protrusion 8, the exposed optical core 7 forms an optical core rod I1 b, one end of the optical cable connecting end I1 is close to one section of the optical core rod I1 b, the anti-breaking protrusion 8 is cut off symmetrically in position to form an optical cable connecting end clamping groove 1a, and a connecting end portion is formed and can be connected with the combining piece I2 quickly.
One end of the optical cable connecting end II 4 is cut off part of the fire retardant layer 5, the insulating layer 6, the anti-breaking rope 9 and the anti-breaking protrusion 8, the exposed optical core 7 forms an optical core rod II 4b, one end of the optical cable connecting end II 4 is symmetrically cut off part of the anti-breaking protrusion 8 close to one section of the optical core rod II 4b to form an optical cable connecting end II clamping groove 4a, and the length of the optical core rod II 4b is longer than that of the optical core rod I1 b to form a connecting end part which can be rapidly connected with the combining piece II 3.
The combination part I2 comprises a combination nut 2a, a combination core I2 b and a combination stopper I2 c, the combination nut 2a and the combination stopper I2 c are rotatably sleeved on the combination core I2 b, the end part of the combination nut 2a is provided with a nut inner stopper 2a1, the interior of the combination nut 2a is provided with a nut inner screw thread 2a2, the exterior of the combination nut 2a is provided with a nut anti-slip thread 2a3, the interior of the combination core I2 b is provided with a core inner stopper slot 2b1, the exterior of the combination core I2 b is provided with a core outer screw thread 2b2, the exterior of the combination core I2 b is further fixed with a core outer stopper 2b3, the core outer stopper 2b3 is matched with the nut inner stopper 2a1 to block, the interior of the combination stopper I2 c is provided with a slot 2c1, the stopper slot 2c1 is the same as the section of the core inner slot 1, the combination stopper I2 c is provided with a rotation stopper hole 582 c which is symmetrical, one end of the combination stopper I2 c is provided with a stopper I internal thread 2c3, the stopper I internal thread 2c3 is in threaded fit with the clamp core I external thread 2b2, the combination nut 2a and the combination stopper I2 c are both rotatably sleeved on the combination clamp core I2 b, the combination nut 2a can rotate, threaded combination is facilitated, the combination part II 3 can be quickly connected, the combination clamp core I2 b is matched with the combination stopper I2 c, and the optical cable connecting end I1 can be quickly connected.
The second combining part 3 comprises a second combining screw core 3a, a second combining clamping core 3b and a second combining stopper 3c, wherein the second combining screw core 3a and the second combining stopper 3c are rotatably sleeved on the second combining clamping core 3b, the end part of the second combining screw core 3a is provided with a screw core inner stopper 3a3, the outside of the second combining screw core 3a is provided with a screw core external screw thread 3a1 and a screw core anti-slip thread 3a2, the inside of the second combining clamping core 3b is provided with a second clamping core slot 3b5, the outside of the second combining clamping core 3b is provided with a second clamping core external screw thread 3b3, the outside of the second combining clamping core 3b is further fixed with a second clamping core external stopper 3b 8655, the second clamping core external stopper 3b2 is matched with the screw core inner stopper 3a3 for blocking, the inside of the second combining stopper 3c is provided with a second slot 3c3, the second stopper 3c3 is the same as the section of the second clamping core slot 3b4, the second combining stopper 3c is provided with a symmetrical second rotating stopper 3c hole, and one end 2c of the second combining stopper is provided with a, the second stopper internal thread 3c1 is in threaded fit with the second core external thread 3b3, the combined screw core 3a and the combined stopper two 3c are both rotatably sleeved on the combined clamp core two 3b, the combined screw core 3a can rotate, the combined screw core is conveniently in threaded fit with the combined screw cap 2a, the combined part one 2 can be quickly connected, and the combined clamp core two 3b is matched with the combined stopper two 3c, so that the second optical cable connecting end 4 can be quickly connected.
The outer diameter of the combined screw core 3a is the same as the inner diameter of the combined screw cap 2a, and the screw core external thread 3a1 is in threaded fit with the screw cap internal thread 2a2, so that the first combining piece 2 and the second combining piece 3 are quickly connected.
The combined clamping core I2 b is internally provided with a first optical core rod slot 2b4 and an inserting rod slot 2b5, the first optical core rod slot 2b4 is communicated with the first clamping core slot 2b1, the combined clamping core II 3b is internally provided with a second optical core rod slot 3b4, the end part of the combined clamping core II 3b is provided with a second clamping core rod 3b1, and the second clamping core rod 3b1 is inserted into the inserting rod slot 2b5 in an interference fit manner, so that the quick connection can be realized, the tensile resistance is improved, and the optical cable is led.
The optical core rod I1 b is inserted in the optical core rod I slot 2b4 in an interference fit mode, the length of the optical core rod I1 b is shorter than the depth of the optical core rod I slot 2b4, the fire retardant layer 5 and the anti-breaking protrusion 8 of the optical cable connecting end I1 are inserted in the clamping core I slot 2b1 in an interference fit mode, the optical core rod II 4b is inserted in the optical core rod II slot 3b4 in an interference fit mode, the length of the optical core rod II 4b is shorter than the depth of the optical core rod II slot 3b, the fire retardant layer 5 and the anti-breaking protrusion 8 of the optical cable connecting end II 4 are inserted in the clamping core II slot 3b5 in an interference fit mode, the tensile resistance of the optical cable connecting end I1 and the bonding member I2 in the quick connection process is increased, and the tensile resistance of the bonding member II 3 and the optical cable connecting end II 4 in the quick connection process is increased.
The other end of the combined stopper piece I2 c is rotatably arranged inside the first clamping groove 1a of the optical cable connecting end, and the other end of the combined stopper piece II 3c is rotatably arranged inside the second clamping groove 4a of the optical cable connecting end for stopping to prevent the optical cable connecting end I1 from falling off from the inside of the combining piece I2 and to prevent the optical cable connecting end II 4 from falling off from the inside of the combining piece II 3.
The working principle of the invention is as follows:
the anti-breaking tensile optical cable can be directly connected for use, and the anti-breaking rope 9 and the fire retardant layer 5 are externally provided with symmetrical anti-breaking bulges 8, so that the anti-breaking tensile optical cable has good tensile property and can prevent fracturing or breaking;
when the optical cable is broken or the length of the optical cable is not long enough to be lengthened, a worker can respectively manufacture the first optical cable connecting end 1 and the second optical cable connecting end 4 from the sections of two optical cables to be connected, then insert the first optical core rod 1b into the first optical core rod slot 2b4 in an interference fit manner, insert the fire retardant layer 5 and the anti-breaking protrusion 8 of the first optical cable connecting end 1 into the first clamping core slot 2b1 in an interference fit manner, insert the second optical core rod 4b into the second clamping core slot 3b4 in an interference fit manner, insert the fire retardant layer 5 and the anti-breaking protrusion 8 of the second optical cable connecting end 4 into the second clamping core slot 3b5 in an interference fit manner, then rotatably combine the first optical cable connecting end 2c and combine the second blocking piece 3c, threadedly mate the first internal thread 2c3 with the first clamping core external thread 2b2 to rotate to the self-locking to the maximum extent, pull the first blocking piece 2c forward, combine the other end of the first optical cable connecting end 2c to rotate inside the, when the connector rotates to the maximum position, the check blocks the anti-breaking protrusion 8 to prevent the optical cable connecting end I1 from falling off from the inside of the connector I2, the second internal thread 3c1 of the stopper is in threaded fit with the external thread 3b3 of the clamping core, the connector rotates to the maximum degree and is self-locked, the second combined stopper 3c is pulled forwards, the other end of the second combined stopper 3c rotates in the second clamping groove 4a of the optical cable connecting end, and when the connector rotates to the maximum position, the check blocks the anti-breaking protrusion 8 to prevent the optical cable connecting end II 4 from falling off from the inside of the connector II 3;
then the second insert rod 3b1 of the core card is inserted in the insert rod slot 2b5 in an interference fit manner, the combination nut 2a contacts with the combination screw core 3a, a worker holds the anti-slip threads 2a3 of the nut and the anti-slip threads 3a2 of the screw core with two hands, then the screw core is rotated, the external threads 3a1 of the screw core are in threaded fit with the internal threads 2a2 of the nut, the combination screw core 3a is screwed into the combination nut 2a, namely, the first combination part 2 and the second combination part 3 are connected together to form an optical cable whole.
In conclusion, the invention provides a section joint applied to an anti-breaking tensile optical cable, which adopts the cooperation of the first combining part 2 and the second combining part 3, can be quickly connected and is convenient to disassemble and close, the first optical cable connecting end 1 can be quickly connected, inserted and locked with the first combining part 2, the second optical cable connecting end 4 can be quickly inserted and locked with the second combining part 3, the falling off caused by pulling is avoided, the stability is better, and the whole optical cable is formed; the anti-breaking rope 9 and the anti-breaking bulge 8 form the whole optical cable, so that the tensile property of the optical cable is improved, and the optical cable is anti-breaking, anti-breaking and durable.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (9)
1. The utility model provides a be applied to section joint of preventing disconnected tensile optical cable, includes optical cable link one (1), conjunction (2), conjunction two (3) and optical cable link two (4), its characterized in that, the one end of optical cable link one (1) is inserted and is closed in the one end of conjunction (2), and the one end of optical cable link two (4) is inserted and is closed in the one end of conjunction two (3), and the other end of conjunction (2) and the other end of conjunction two (3) are connected, optical cable link one (1) and optical cable link two (4) set gradually to optical core (7), insulating layer (6) and back-fire relief layer (5) from inside to outside, are equipped with two symmetries between insulating layer (6) and back-fire relief layer (5) and prevent disconnected rope (9), and back-fire relief (5) outside is equipped with the symmetry and prevents disconnected arch (8).
2. A cross-sectional joint for a breakage-proof tensile cable according to claim 1, wherein a portion of the fire retardant layer (5), the insulating layer (6), the breakage-proof rope (9) and the breakage-proof protrusion (8) are cut at one end of the first cable connection end (1), the exposed optical core (7) forms a first optical core rod (1b), and a portion of the breakage-proof protrusion (8) is cut at a position symmetrical to a section of the first optical core rod (1b) at one end of the first cable connection end (1) to form a first cable connection end clamping groove (1 a).
3. The section joint applied to the breakage-proof tensile optical cable according to claim 2, wherein one end of the optical cable connecting end II (4) is cut off part of the fire retardant layer (5), the insulating layer (6), the breakage-proof rope (9) and the breakage-proof protrusion (8), the exposed optical core (7) forms an optical core rod II (4b), one end of the optical cable connecting end II (4) is close to one section of the optical core rod II (4b), the position of the breakage-proof protrusion (8) is symmetrically cut off part of the optical core rod II (4b) to form an optical cable connecting end II clamping groove (4a), and the length of the optical core rod II (4b) is longer than that of the optical core rod I (1 b).
4. The cross-section joint applied to the breakage-proof tensile optical cable according to claim 1, wherein the first combining member (2) comprises a first combining nut (2a), a first combining core (2b) and a first combining stopper (2c), the first combining nut (2a) and the first combining stopper (2c) are rotatably sleeved on the first combining core (2b), an inner nut stopper (2a1) is arranged at the end of the first combining nut (2a), an inner nut screw (2a2) is arranged inside the first combining nut (2a), a nut anti-slip pattern (2a3) is arranged outside the first combining nut (2a), a first clamping core slot (2b1) is arranged inside the first combining core (2b), a first clamping core external screw (2b2) is arranged outside the first combining core (2b), and a first clamping core external stopper ring (2b3) is further fixed outside the first combining core (2b), an outer blocking ring (2b3) of the clamping core is matched with a nut inner blocking protrusion (2a1) to block, a blocking piece slot (2c1) is arranged inside a combined blocking piece I (2c), the cross section of the blocking piece slot (2c1) is identical to that of the clamping core slot (2b1), a symmetrical blocking piece rotating hole (2c2) is formed in the combined blocking piece I (2c), a blocking piece inner thread (2c3) is arranged at one end of the combined blocking piece I (2c), and a blocking piece inner thread (2c3) is in threaded fit with a clamping core outer thread (2b 2).
5. The section joint applied to the breakage-proof tensile optical cable according to claim 4, wherein the second combining member (3) comprises a second combining screw core (3a), a second combining clamp core (3b) and a second combining stopper (3c), both the second combining screw core (3a) and the second combining stopper (3c) are rotatably sleeved on the second combining clamp core (3b), the end of the second combining screw core (3a) is provided with a second screw core inner stopper (3a3), the outside of the second combining screw core (3a) is provided with a second screw core outer screw thread (3a1) and a second screw core anti-slip thread (3a2), the inside of the second combining clamp core (3b) is provided with a second clamp core slot (3b5), the outside of the second combining clamp core (3b) is provided with a second clamp core outer screw thread (3b3), the outside of the second combining clamp core (3b) is further fixed with a second clamp core outer clamp ring (3b) outer clamp ring (2), and the second clamp core outer clamp ring (3b2) is matched with the second screw core inner stopper (3a3), a second blocking piece slot (3c3) is arranged inside the second combined blocking piece (3c), the section of the second blocking piece slot (3c3) is the same as that of the second clamping core slot (3b5), a second symmetrical blocking piece rotating hole (3c2) is formed in the second combined blocking piece (3c), a second blocking piece internal thread (3c1) is arranged at one end of the second combined blocking piece (3c), and the second blocking piece internal thread (3c1) is in threaded fit with the external thread (3b3) of the clamping core.
6. A profile joint for a breakage-proof tensile optical cable according to claim 5, wherein an outer diameter of the coupling core (3a) is the same as an inner diameter of the coupling nut (2a), and the core external thread (3a1) is screw-engaged with the nut internal thread (2a 2).
7. The section joint applied to the breakage-proof tensile optical cable according to claim 6, wherein a first optical core rod slot (2b4) and an insertion rod slot (2b5) are arranged inside the first combined clamping core (2b), the first optical core rod slot (2b4) is communicated with the first clamping core slot (2b1), a second optical core rod slot (3b4) is further arranged inside the second combined clamping core (3b), a second clamping core rod (3b1) is arranged at the end of the second combined clamping core (3b) and the second clamping core rod (3b1) is inserted into the insertion rod slot (2b5) in an interference fit manner.
8. The section joint applied to the breakage-proof tensile optical cable according to claim 7, wherein the optical core rod I (1b) is inserted into the optical core rod I slot (2b4) in an interference fit manner, the length of the optical core rod I (1b) is shorter than the depth of the optical core rod I slot (2b4), the fire retardant layer (5) and the breakage-proof protrusion (8) of the optical cable connecting end I (1) are inserted into the core clamping I slot (2b1) in an interference fit manner, the optical core rod II (4b) is inserted into the optical core rod II slot (3b4) in an interference fit manner, the length of the optical core rod II (4b) is shorter than the depth of the optical core rod II slot (3b), and the fire retardant layer (5) and the breakage-proof protrusion (8) of the connecting end optical cable II (4) are inserted into the core clamping II slot (3b5) in an interference fit manner.
9. The section joint applied to the breakage-proof tensile optical cable according to claim 8, wherein the other end of the combined stopper I (2c) is rotatably disposed inside the optical cable connection end I clamping groove (1a), and the other end of the combined stopper II (3c) is rotatably disposed inside the optical cable connection end II clamping groove (4 a).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911361389.1A CN111158091B (en) | 2019-12-26 | 2019-12-26 | Section joint applied to anti-breaking tensile optical cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911361389.1A CN111158091B (en) | 2019-12-26 | 2019-12-26 | Section joint applied to anti-breaking tensile optical cable |
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| Publication Number | Publication Date |
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| CN111158091A true CN111158091A (en) | 2020-05-15 |
| CN111158091B CN111158091B (en) | 2021-05-28 |
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| CN201911361389.1A Active CN111158091B (en) | 2019-12-26 | 2019-12-26 | Section joint applied to anti-breaking tensile optical cable |
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| CN202817451U (en) * | 2012-08-24 | 2013-03-20 | 李宝山 | Bayonet conversion screw cap device |
| CN204192130U (en) * | 2014-11-05 | 2015-03-11 | 曾华发 | Plug assembly |
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| CN111158091B (en) | 2021-05-28 |
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