CN109597174B - Deconcentrator and cable branching structure using same - Google Patents
Deconcentrator and cable branching structure using same Download PDFInfo
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- CN109597174B CN109597174B CN201710937352.3A CN201710937352A CN109597174B CN 109597174 B CN109597174 B CN 109597174B CN 201710937352 A CN201710937352 A CN 201710937352A CN 109597174 B CN109597174 B CN 109597174B
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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
- G02B6/4431—Protective covering with provision in the protective covering, e.g. weak line, for gaining access to one or more fibres, e.g. for branching or tapping
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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
- G02B6/4439—Auxiliary devices
- G02B6/4471—Terminating devices ; Cable clamps
- G02B6/4472—Manifolds
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Abstract
The invention relates to the technical field of optical cable transmission, in particular to a deconcentrator and a cable deconcentration structure using the deconcentrator. The deconcentrator includes the separated time piece and with separated time piece crimping complex crimping cover structure, be equipped with the separated time hole that the sub-cable that supplies the cable passed on the separated time piece, crimping cover structure is including being used for the suit at the peripheral separated time piece crimping section of separated time piece and being used for the crimping at the peripheral cable crimping section of cable, and separated time piece periphery is equipped with the tensile element crimping portion that is used for pressure equipment tensile element under the effect of crimping cover structure. The deconcentrator is provided with the tensile element pressing part, the tensile element, whether the inner layer tensile element or the outer layer tensile element, can be pressed on the deconcentrator under the action of the pressing sleeve structure, and the tensile element is pressed on the deconcentrator through the pressing sleeve, so that the connection strength of the tensile element and the deconcentrator can be ensured, and the problem that the traditional deconcentrator and the tensile element are easy to separate from the deconcentrator after being subjected to tensile force is solved.
Description
Technical Field
The invention relates to the technical field of cable transmission, in particular to a deconcentrator and a cable deconcentration structure using the deconcentrator.
Background
The existing branch structure mostly adopts a glue filling structure, the structure is characterized in that the mechanical performance of the product can be guaranteed, but the glue filling operation is complex, and the problem of low production efficiency is caused. In some existing multi-core optical cable structures, in order to improve the tensile strength of the optical cable, a filling rope axially parallel to a sub-cable is often arranged in a main cable jacket, and a braided layer made of a tensile material is also arranged outside the main cable. At present, when the sub-cable is required to be led out from the main cable, the filling rope and the tensile layer are usually cut off, the sub-cable is pulled out through the deconcentrator, and the main cable outer sleeve is fixed on the deconcentrator. For example, chinese patent No. CN201229427Y, granted on announcement date 2009.04.29, discloses a tensile branching structure for an optical cable transmission line, which includes a branching device and a filling rope, wherein the filling rope constitutes a cable core tensile member of the branching structure, the filling rope and the single-core optical cable are both inserted into one end of the branching device, the single-core optical cable is a sub-cable and is extended out from the other end, and the filling rope is fixedly connected to the branching device by gluing, thereby improving the tensile strength of the single-core optical cable at the branching position.
Disclosure of Invention
The invention aims to provide a wire divider, which solves the problem that a tensile element of the existing wire dividing structure is easy to separate from the wire divider after being subjected to tensile force; another object of the present invention is to provide a cable branching structure using the cable distributor.
In order to achieve the above object, a first technical solution of the splitter of the present invention is: the deconcentrator includes the separated time piece and be used for with separated time piece crimping complex crimping cover structure, be equipped with the separated time hole that the sub-cable that supplies the cable passed on the separated time piece, crimping cover structure is including being used for the suit at the peripheral separated time piece crimping section of separated time piece and being used for the crimping at the peripheral cable crimping section of cable, and separated time piece periphery is equipped with the tensile element crimping portion that is used for pressure equipment tensile element under the effect of crimping cover structure.
The second technical scheme of the deconcentrator of the invention is as follows: on the basis of the first technical scheme of the wire divider, the tensile element crimping part comprises a tensile element crimping through groove for allowing the tensile element to pass through and leading out the wire divider.
The third technical scheme of the deconcentrator comprises the following steps: on the basis of the second technical scheme of the wire divider, the wire dividing piece comprises a wire dividing part and a supporting part for supporting and inserting the wire dividing part into the cable, the wire dividing hole is formed in the wire dividing part, a wire passing channel which is correspondingly communicated with the wire dividing hole and is used for the corresponding sub-cable to pass through is formed in the supporting part, and the tensile element crimping through groove is formed in the wire dividing part or penetrates through the wire dividing part and the supporting part.
The fourth technical scheme of the deconcentrator of the invention is as follows: on the basis of the third technical scheme of the wire divider, the supporting part is provided with a wire winding part for winding an external tensile element.
The fifth technical scheme of the deconcentrator comprises the following steps: in a fourth aspect of the wire divider according to the present invention, the wire dividing portion and the support portion are integrally formed, and an outer diameter of the winding portion is smaller than an outer diameter of the wire dividing portion.
The sixth technical scheme of the deconcentrator comprises the following steps: on the basis of the fourth technical scheme of the wire divider, the number of the wire dividing holes is at least two, the supporting parts and the wire dividing parts are of split structures, the wire dividing parts and the supporting parts are arranged at intervals, the supporting parts are provided with stopping structures used for stopping and matching with the end faces of the cables, and the wire winding parts are arranged close to the stopping structures.
The seventh technical scheme of the deconcentrator of the invention is as follows: on the basis of the sixth technical scheme of the deconcentrator, the stop structure is an annular boss arranged on the supporting part, and the annular boss is provided with a wire passing groove for an external tensile element to pass through.
The eighth technical scheme of the deconcentrator of the invention is as follows: on the basis of the first or second technical scheme of the wire divider, the wire dividing component comprises a wire dividing part and a supporting part for supporting and inserting the wire dividing part into the cable, the wire dividing hole is formed in the wire dividing part, and the supporting part is provided with a wire passing channel which is used for being communicated with the wire dividing hole correspondingly so as to allow the corresponding sub-cable to pass through.
The ninth technical scheme of the deconcentrator of the invention is as follows: in any one of the first to seventh aspects of the wire divider according to the present invention, the tension element crimping portion includes a tension element crimping surface for crimping the tension element, and the tension element crimping surface is formed by a part of an outer peripheral surface of the wire divider.
The tenth technical scheme of the deconcentrator comprises the following steps: on the basis of the ninth technical scheme of the deconcentrator, the compression joint surface of the tensile element is provided with a friction increasing structure.
The eleventh technical scheme of the deconcentrator of the invention is as follows: on the basis of the tenth technical scheme of the deconcentrator, the friction increasing structure comprises an annular groove arranged on the peripheral surface of the deconcentrator.
The twelfth technical scheme of the deconcentrator comprises the following steps: on the basis of the eleventh technical scheme of the deconcentrator, the annular grooves are provided with at least two and are axially arranged along the deconcentrator.
The thirteenth technical scheme of the deconcentrator is as follows: on the basis of any one of the first technical scheme to the seventh technical scheme of the splitter, an armor hose for sleeving the periphery of the sub-cable is arranged in the splitting hole.
The fourteenth technical scheme of the deconcentrator of the invention is as follows: on the basis of the thirteenth technical scheme of the wire divider, the armor hose is pressed in the wire dividing hole.
The fifteenth technical scheme of the deconcentrator of the invention is as follows: in any one of the second to seventh aspects of the wire divider according to the present invention, at least one pair of the tension member crimping through grooves is provided. The paired arrangement can balance the force.
The sixteenth technical scheme of the deconcentrator is as follows: in the splitter according to any one of the second to seventh aspects of the present invention, the branching portion and the supporting portion have a split structure, and the branching portion and the supporting portion are provided at an interval, or the branching portion and the supporting portion have an integrated structure.
In order to achieve the above object, a first technical solution of the cable branching structure of the present invention is: cable separated time structure, including cable and deconcentrator, the cable includes lag and the sub-cable of setting in the lag, and cable separated time structure still includes tensile component, the deconcentrator include separated time spare and with separated time spare crimping complex crimping cover structure, be equipped with the separated time hole that supplies the sub-cable of cable to pass on the separated time spare, crimping cover structure includes that the suit is at the peripheral separated time spare crimping section of separated time spare and crimping at the peripheral cable crimping section of cable, and separated time spare periphery is equipped with tensile component crimping portion, tensile component crimping is at tensile component crimping portion under the effect of crimping cover structure.
The second technical scheme of the cable branching structure of the invention is as follows: on the basis of the first technical scheme of the cable branching structure, the tensile element crimping part comprises a tensile element crimping through groove for allowing the tensile element to pass through and lead out of the branching piece.
The third technical scheme of the cable branching structure of the invention is as follows: on the basis of the second technical scheme of the cable branching structure, the tensile element comprises an external tensile element, and the supporting part is provided with a winding part for winding the external tensile element.
The fourth technical scheme of the cable branching structure of the invention is as follows: on the basis of the third technical scheme of the cable branching structure, the tensile element crimping through grooves are arranged in pairs, the middle part of the external tensile element is fixed on the winding part, and the two ends of the external tensile element penetrate out of the branching piece through the tensile element crimping through grooves.
The fifth technical scheme of the cable branching structure of the invention is as follows: in a fourth aspect of the cable branching structure according to the present invention, the branching portion and the supporting portion are integrally formed, and an outer diameter of the winding portion is smaller than an outer diameter of the branching portion.
The sixth technical scheme of the cable branching structure of the invention is as follows: in a fourth aspect of the cable branching structure according to the present invention, the branching portion and the supporting portion are integrally formed, and an outer diameter of the winding portion is smaller than an outer diameter of the branching portion.
The seventh technical scheme of the cable branching structure of the invention is as follows: on the basis of the fourth technical scheme of the cable branching structure, the number of the branching holes is at least two, the supporting parts and the branching parts are of split structures, the branching parts and the supporting parts are arranged at intervals, the supporting parts are provided with stopping structures used for stopping and matching with the end faces of the cables, and the winding parts are arranged close to the stopping structures.
The eighth technical scheme of the cable branching structure of the invention is as follows: on the basis of the seventh technical scheme of the cable branching structure, the stopping structure is an annular boss arranged on the supporting part, and a wire passing groove for an external tensile element to pass through is formed in the annular boss.
The ninth technical scheme of the cable branching structure of the invention is as follows: on the basis of the first or second technical scheme of the cable branching structure, the branching piece comprises a branching part and a supporting part inserted in the cable in a supporting mode, the branching hole is formed in the branching part, and a threading channel which is used for being communicated with the branching hole correspondingly to allow a corresponding sub-cable to pass through is formed in the supporting part.
The tenth technical scheme of the cable branching structure of the invention is as follows: in any one of the first to eighth aspects of the cable splitting structure according to the present invention, the tension element crimping portion includes a tension element crimping surface for crimping the tension element, the tension element crimping surface being formed by a part of an outer peripheral surface of the splitting member, and the tension element being crimped on the tension element crimping surface by the crimping sleeve.
The eleventh technical scheme of the cable branching structure of the invention is as follows: in a tenth aspect of the cable branching structure according to the present invention, the tensile member pressure contact surface is provided with a friction increasing structure.
The twelfth technical scheme of the cable branching structure of the invention is as follows: on the basis of the eleventh technical scheme of the cable branching structure, the friction increasing structure comprises an annular groove arranged on the peripheral surface of the branching piece.
The thirteenth technical scheme of the cable branching structure of the invention is as follows: on the basis of the twelfth technical scheme of the cable branching structure, at least two annular grooves are arranged and are axially arranged along the branching piece.
The fourteenth technical scheme of the cable branching structure of the invention is as follows: in a tenth technical means of the cable branching structure of the present invention, the tensile member includes a cable core tensile member provided in the cable, and the cable core tensile member in the cable is press-fitted to the tensile member crimping surface.
The fifteenth technical scheme of the cable branching structure of the invention is as follows: on the basis of any one of the first technical scheme to the eighth technical scheme of the cable branching structure, an armor hose sleeved on the periphery of a sub-cable is arranged in the branching hole.
The sixteenth technical scheme of the cable branching structure of the invention is as follows: on the basis of the fifteenth technical scheme of the cable branching structure, the armor hose is pressed in the branching hole.
The seventeenth technical scheme of the cable branching structure of the invention is as follows: in any one of the second to eighth aspects of the cable splitting structure according to the present invention, at least one pair of the tension member crimping through grooves is provided.
The eighteenth technical scheme of the cable branching structure of the invention is as follows: on the basis of the second or third technical scheme of the cable branching structure, the branching part and the supporting part are of a split structure and are arranged at intervals, or the branching part and the supporting part are of an integrated structure.
The invention has the beneficial effects that: the deconcentrator is provided with the tensile element pressing part, the external tensile element or the cable core tensile element can be pressed on the deconcentrator under the action of the pressing sleeve structure, and the tensile element is pressed on the deconcentrator through the pressing sleeve, so that the connection strength of the tensile element and the deconcentrator can be ensured, and the problem that the traditional deconcentrator and the tensile element are easy to separate from the deconcentrator after being subjected to tensile force is solved.
Drawings
Fig. 1 is a schematic structural view of a cable branching structure according to embodiment 1 of the present invention;
FIG. 2 is an exploded view of a specific embodiment 1 of the cable breakout structure of the present invention (tensile elements and sub-cables not shown);
FIG. 3 is a cross-sectional view of a particular embodiment 1 of the cable breakout structure of the present invention taken along a plane in which the axes of the two compression resistant element through slots lie;
FIG. 4 is a cross-sectional view of embodiment 1 of the cable branching structure of the present invention taken along a plane in which the axes of two diagonally disposed branching holes lie (tensile member not shown);
fig. 5 is a schematic view showing an assembly structure of the branching portion of the armor hose and the branching member according to embodiment 1 of the cable branching structure of the present invention;
fig. 6 is a schematic view showing an assembly structure of the branching portion of the armor hose and the branching member according to embodiment 2 of the cable branching structure of the present invention;
fig. 7 is an exploded view of a cable and a breakout member of embodiment 2 of the cable breakout structure of the present invention;
fig. 8 is a sectional view of embodiment 2 of the cable branching structure of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 4, the cable branching structure of the present invention includes a branching device, a cable 3, and a tensile member, and the branching device includes a branching member 1 and a crimping sleeve 2 that is in crimping engagement with the branching member 1. The cable 3 comprises four sub-cables 33, the tensile elements comprise a cable core tensile element 31 and an external tensile element 4, the cable core tensile element 31 in the embodiment is arranged inside a protective sleeve 32 of the cable, the cable core tensile element 31 in the protective sleeve 32 of the cable in the embodiment is not provided with a sheath, and therefore is not suitable for leading out a splitter, the external tensile element 4 is additionally added in the embodiment to lead out the splitter so as to improve the tensile capability of the sub-cables, and of course, in other embodiments, the cable core tensile element without the sheath can be directly led out of the splitter without considering the factor of the sheath of the tensile element. In order to improve the tensile strength between the cable and the splitter, in this embodiment, the cable core tensile member 31 is directly fixed on the splitter 1, so as to improve the ability of bearing a large tensile force between the cable and the splitter. The structure of the wire divider and the assembling relationship between the wire divider 1 and the tension member in this embodiment will be described in detail below.
The crimping sleeve 2 comprises a distributing part crimping section 21 sleeved on the periphery of the distributing part 1 and a cable crimping section 22 crimped on the periphery of the cable 3. The crimping sleeve 2 in this embodiment is an integrated structure, and in other embodiments, the crimping sleeve 2 may also be a split type crimping sleeve structure, for example, a split type crimping sleeve structure.
The branching component 1 includes a branching portion 11 and a supporting portion 12 inserted into the cable 3, the branching portion 11 is provided with a branching hole 13 for the sub-cable 33 to pass through, the supporting portion 12 is provided with a supporting portion wire passing hole 14 for communicating with the branching hole 13 correspondingly for the sub-cable 33 to pass through, the supporting portion wire passing hole 14 forms a wire passing channel arranged on the supporting portion 12, and in other embodiments, the wire passing channel may also be a wire passing groove structure. The supporting part 12 is matched with the crimping sleeve 2 to clamp and fix the protective sleeve 32 of the cable 3, and the mechanical performance between the deconcentrator and the cable 3 can be effectively ensured by utilizing the supporting effect of the supporting part 12 on the cable 3. The supporting part 12 and the branching part 11 are of a split structure, the branching part 11 and the supporting part 12 are arranged in the axial direction of the branching piece 1 at intervals, after the supporting part 12 and the branching part 11 are pressed together through the pressing sleeve 2, the sub-cables 33 are transited and passed through at intervals between the supporting part 12 and the branching part 11, and the sub-cables 33 are prevented from being broken and damaged due to the fact that included angles between the parts of the sub-cables 33 in the cables and the parts entering the branching holes are too small.
The supporting portion 12 includes an insertion section 20 inserted into the cable 3 and an annular boss 17 located outside the cable 3 and adapted to be in stop fit with an end face of the cable 3, and the annular boss 17 constitutes a stop structure provided on the supporting portion 12 and adapted to be in stop fit with the end face of the cable, so as to position a relative position relationship between the supporting portion 12 and the cable 3.
The periphery of the branching piece 1 is provided with a tensile element crimping part for press-fitting the external tensile element 4 and the cable core tensile element 31 under the action of the crimping sleeve 2, in the embodiment, the tensile element crimping part comprises a tensile element crimping through groove 15 which axially extends along the branching piece 1 and is used for the external tensile element 4 to pass through, and further comprises a tensile element crimping surface 16 for crimping the tensile element, in the embodiment, the tensile element crimping through groove 15 and the tensile element crimping surface 16 are both arranged on the branching part 11, in the embodiment, the tensile element crimping through groove 15 is provided with two, and the two tensile element crimping through grooves 15 are arranged oppositely along the radial direction of the branching part 11.
As shown in fig. 3 and 5, the tension element crimping surface 16 is formed by the outer peripheral surface of the wire divider 1 near one end of the support portion 12. The tension element pressing surface 16 is provided with a plurality of annular grooves 18 which are arranged along the axial direction of the branching piece 1, the annular grooves 18 form a friction increasing structure which is arranged on the tension element pressing surface 16, in other embodiments, one annular groove 18 can be arranged, and the friction increasing structure can also be a knurling structure which is arranged on the periphery of the branching part 11. The external tensile element 4 is led out of the branching piece 1 through the tensile element crimping through groove 15, and the cable core tensile element 31 is crimped and fixed on the tensile element crimping surface 16 through the crimping sleeve 2. In order to improve the fixing strength of the circumscribed tensile member 4, the circumscribed tensile member 4 is wound and fixed on the supporting portion 12, and is knotted after being wound.
The wire distributing piece 1 is provided with a wire winding part for winding and fixing the external tensile element 4, the wire winding part is arranged on the supporting part 12 in the embodiment, the wire winding part is arranged close to the annular boss 17, and the annular boss can prevent the external tensile element 4 from being separated. Because the external tensile element 4 has the crust, the external tensile element 4 is more difficult to be flattened after crimping, and simultaneously the outer diameter of the annular boss is equivalent to the outer diameter of the cable, in order to avoid the junction of the external tensile element 4 and the annular boss to leave a bulge after crimping, in this embodiment, the annular boss 17 is provided with a wire passing groove 171 for the external tensile element 4 to pass through, and in other embodiments, the wire passing groove can also be a wire passing hole. The extending direction of the wire passing groove 171 is the same as the extending direction of the tension member crimping through groove 15. In other embodiments, in order to improve the acting force between the external tensile element 4 and the wire dividing member 1, the tensile element crimping through groove 15 may also be an S-shaped or spiral-shaped or other curved through groove. In this embodiment, four wire passing grooves are provided, and the four wire passing grooves are circumferentially spaced along the wire distributing member 1.
The through groove 15 of tensile element crimping sets up a pair ofly, and external tensile element 4 sets up one, and the middle part of external tensile element 4 is fixed in wire winding portion, and both ends are passed through groove 15 of tensile element crimping and are worn out branch piece 1. In other embodiments, at least two pairs of the tension element crimping through grooves may be provided, and each pair of the tension element crimping through grooves corresponds to one external tension element; in other embodiments, the tension element crimping through grooves may not be arranged in pairs, for example, three tension elements may be arranged, at this time, three external tension elements corresponding to the tension element crimping through grooves one to one may be arranged, one end of each external tension element is fixed to the winding portion, and the other end of each external tension element penetrates through the wire dividing member; or two external tensile elements can be arranged, wherein one middle part is fixed at the winding part.
As shown in fig. 5, in the present embodiment, an armor hose 19 is press-fitted into the branching hole 13, and the armor hose 19 is fitted around the outer periphery of the sub-cable 33 to increase the compressive strength of the sub-cable 33. The armor hose 19 in the present embodiment is press-fitted into the branching holes 13 by means of spot pressing, and in other embodiments, the armor hose 19 may be fitted into the branching holes 13 by interference. In order to avoid damage to the wire dividing member 1 during the wire dividing process, in the embodiment, four wire dividing holes are arranged, so that the distance between each wire dividing hole and the outer peripheral surface of the wire dividing member 1 is small, and the wire dividing area on the wire dividing member 1 is selected to be an area outside the tension element crimping through groove 15.
In the present embodiment, four branching holes 13 are provided in the branching portion 11, and in order to facilitate pressure-bonding of the branching portion 11, the support portion 12, and the cable 3, in the present embodiment, the outer diameter of the insertion section 20 of the support portion 12 is smaller than the outer diameter of the branching portion 11, and the outer diameter of the branching portion 11 is adapted to the outer diameter of the corresponding cable 3. The crimp sleeve 2 in this embodiment is of a straight sleeve structure.
The line-dividing part in this embodiment is a cylindrical structure, and in other embodiments, the line-dividing part may also be square, oval, or the like. The crimping sleeve is a circular sleeve.
In this embodiment, when the cable splitting structure is installed, the sub-cable 33 of the cable is stripped, the cable core tensile element 31 is pulled out, the prepared external tensile element 4 is wound on the winding part of the support part 12 and knotted, the support part 12 is inserted into the cable protecting jacket 32, and the sub-cable 33 and the cable core tensile element 31 pass through the support part 12 through the wire passing hole of the support part 12 and pass through the support part 12; fixing the armor hose in a threading hole of the parting part 11 through point pressing; the branching part 11 with the armored hose, the cable and the supporting part 12 are pressed and fixed together through the pressing sleeve 2, before pressing, the cable core tensile element 31 is placed on the annular groove of the tensile element pressing surface 16, the external tensile element 4 penetrates out of the branching part 11 through the tensile element pressing through groove 15, the sub-cable 33 penetrates out of the branching part 11 through the branching hole, meanwhile, the arrangement of the branching part 11 and the supporting part 12 is ensured to be separated, and the structure schematic diagram after pressing is shown in fig. 3. After the crimping is completed, the external tensile element 4 is pressed on the parting portion 11 through the action of the crimping sleeve 2 and the crimping through groove, and the cable core tensile element 31 is crimped and fixed on the parting portion 11 through the action of the crimping sleeve 2 and the tensile element crimping surface 16. Wherein, the external tensile element 4 is fixedly connected with the wire distributing part 1 by the winding fixation of the supporting part 12 and the crimping fixation of the crimping through groove.
In other embodiments, the cable core tensile element 31 may be cut directly, the tensile strength of the sub-cable 33 is ensured only by the external tensile element 4, the splitting part 1 may be provided with only the splitting part 11, and the external tensile element 4 may be wound around the splitting part 11, or may be directly fixed to the splitting part 11 by the tensile element crimping through groove 15. In other embodiments, the cable core tensile element 31 and the external tensile element 4 can be directly fixed on the partial tensile element pressing surface 16 by pressing and connecting under the condition that the structure of the wire sleeve allows.
In embodiment 2 of the cable splitting structure according to the present invention, the cable splitting structure in this embodiment is different from that in embodiment 1 only in that: as shown in fig. 6 to 8, the wire dividing member 21 in the present embodiment is an integral structure, the tensile element pressing through groove 215 in the present embodiment penetrates the wire dividing portion 211 and the supporting portion 212 of the wire dividing member 21, and one wire dividing hole 213 is provided. In order to facilitate the crimping sleeve 22 to crimp the wire dividing member 21 and the cable 23, the outer diameter of the wire dividing portion 211 in the present embodiment is larger than that of the supporting portion 212. The outer diameter of the wire-section 211 should be adapted to the outer diameter of the cable 23. Since the cable core tensile member 231 in the cable of this embodiment has a sheath, the cable core tensile member 231 can be directly led out from the splitter to be used as a tensile member of the sub cable 233. In another embodiment, when the cable core tensile element is not provided with the sheath, the winding portion may be directly provided on the supporting portion, and the external tensile element lead-out splitter may be wound on the winding portion. The spot-crimping zone, in this embodiment, pre-fixing the armor hose is disposed within the tensile element crimping channel 215.
The armor hose 219 in this embodiment is fixed by pressure-contact in the parting hole 213 of the parting portion 211, wherein a pressure-contact region on the parting portion is provided on the outer peripheral surface of the parting portion.
In the specific embodiment of the splitter according to the present invention, the specific structure of the splitter in this embodiment is the same as that of the splitter described in the specific embodiment 1 or 2 of the cable splitting structure, and details are not repeated.
In other embodiments of the splitter and the cable splitting structure of the present invention, the splitting holes may be two, three or more than five, may be arranged in a single row, or may be arranged in multiple rows according to actual needs; the supporting part and the branching part can be fixed together through threads or buckles.
Claims (28)
1. A wire splitter, its characterized in that: the cable compression joint structure comprises a branching piece and a compression joint sleeve structure which is used for being in compression joint with the branching piece, wherein the branching piece is provided with a branching hole for a sub-cable of a cable to pass through; the tensile element crimping part comprises a tensile element crimping through groove for the tensile element to pass through and lead out the branching piece; the branching piece comprises a branching part and a supporting part for supporting and inserting the branching part in a cable, the branching hole is formed in the branching part, a threading channel which is communicated with the branching hole correspondingly and is used for the corresponding sub-cable to pass through is formed in the supporting part, and the tensile element crimping through groove is formed in the branching part or penetrates through the branching part and the supporting part; and the supporting part is provided with a winding part for winding an external tensile element.
2. The splitter of claim 1, wherein: the wire dividing part and the supporting part are of an integrated structure, and the outer diameter of the wire winding part is smaller than that of the wire dividing part.
3. The splitter of claim 1, wherein: the cable winding device comprises a supporting part, a wire distributing part, a wire winding part and at least two wire distributing holes, wherein the supporting part and the wire distributing part are of split structures, the wire distributing part and the supporting part are arranged at intervals, a stopping structure used for stopping and matching with the end face of a cable is arranged on the supporting part, and the wire winding part is arranged close to the stopping structure.
4. The splitter of claim 3, wherein: the stop structure is an annular boss arranged on the supporting part, and a wire passing groove for an external tensile element to pass through is arranged on the annular boss.
5. The splitter of claim 1, wherein: the branching piece comprises a branching part and a supporting part for supporting and inserting the branching part in a cable, the branching hole is formed in the branching part, and a threading channel which is correspondingly communicated with the branching hole to allow a corresponding sub-cable to pass through is formed in the supporting part.
6. The splitter of any one of claims 1 to 4, wherein: the tension element crimping part comprises a tension element crimping surface for crimping the tension element, the tension element crimping surface being formed by a part of the outer circumferential surface of the wire dividing part.
7. The splitter of claim 6, wherein: and the compression joint surface of the tensile element is provided with a friction increasing structure.
8. The splitter of claim 7, wherein: the friction increasing structure comprises an annular groove arranged on the peripheral surface of the branching piece.
9. The splitter of claim 8, wherein: the annular groove is provided with at least two and is arranged along the axial direction of the branching piece.
10. The splitter of any one of claims 1 to 4, wherein: an armor hose sleeved on the periphery of the sub cable is arranged in the branching hole.
11. The splitter of claim 10, wherein: the armor hose is pressed in the branching hole.
12. The splitter of any one of claims 1 to 4, wherein: the tensile element crimping through groove is provided with at least one pair.
13. The splitter of claim 1, wherein: the parting part and the supporting part are of a split structure and are arranged at intervals, or the parting part and the supporting part are of an integrated structure.
14. The utility model provides a cable separated time structure, includes cable and deconcentrator, and the cable includes lag and the sub-cable of setting in the lag, and cable separated time structure still includes tensile component, its characterized in that: the cable distributor comprises a branching piece and a crimping sleeve structure matched with the branching piece in a crimping mode, wherein the branching piece is provided with a branching hole for a sub cable of a cable to pass through, the crimping sleeve structure comprises a branching piece crimping section sleeved on the periphery of the branching piece and a cable crimping section crimped on the periphery of the cable, a tensile element crimping section is arranged on the periphery of the branching piece, and the tensile element is crimped on the tensile element crimping section under the action of the crimping sleeve structure; the tensile element crimping part comprises a tensile element crimping through groove for the tensile element to pass through and lead out the branching piece; the branching piece comprises a branching part and a supporting part inserted in the cable in a supporting manner, the branching hole is formed in the branching part, a line passing channel which is communicated with the branching hole correspondingly to pass through the corresponding sub-cable is formed in the supporting part, and the tensile element crimping through groove is formed in the branching part or penetrates through the branching part and the supporting part; the tensile element comprises an external tensile element, and a winding part for winding the external tensile element is arranged on the supporting part.
15. The cable breakout structure of claim 14, wherein: the through grooves for compression connection of the tensile elements are arranged in pairs, the middle part of the external tensile element is fixed on the winding part, and the two ends of the external tensile element penetrate out of the wire distributing part through the through grooves for compression connection of the tensile elements.
16. The cable breakout structure of claim 14, wherein: the wire dividing part and the supporting part are of an integrated structure, and the outer diameter of the wire winding part is smaller than that of the wire dividing part.
17. The cable breakout structure of claim 14, wherein: the cable winding device comprises a supporting part, a wire distributing part, a wire winding part and at least two wire distributing holes, wherein the supporting part and the wire distributing part are of split structures, the wire distributing part and the supporting part are arranged at intervals, a stopping structure used for stopping and matching with the end face of a cable is arranged on the supporting part, and the wire winding part is arranged close to the stopping structure.
18. The cable breakout structure of claim 17, wherein: the stop structure is an annular boss arranged on the supporting part, and a wire passing groove for an external tensile element to pass through is arranged on the annular boss.
19. The cable breakout structure of claim 14, wherein: the branching piece comprises a branching part and a supporting part inserted in the cable in a supporting mode, the branching hole is formed in the branching part, and a line passing channel which is used for being communicated with the branching hole correspondingly to enable the corresponding sub-cable to pass through is formed in the supporting part.
20. The cable breakout structure of any one of claims 14-18, wherein: the tension element crimping part comprises a tension element crimping surface for crimping the tension element, the tension element crimping surface is formed by part of the outer peripheral surface of the wire dividing part, and the tension element is crimped on the tension element crimping surface through the crimping sleeve.
21. The cable breakout structure of claim 20, wherein: and the compression joint surface of the tensile element is provided with a friction increasing structure.
22. The cable breakout structure of claim 21, wherein: the friction increasing structure comprises an annular groove arranged on the peripheral surface of the branching piece.
23. The cable breakout structure of claim 22, wherein: the annular groove is provided with at least two and is arranged along the axial direction of the branching piece.
24. The cable breakout structure of claim 20, wherein: the tensile element comprises a cable core tensile element arranged in the cable, and the cable core tensile element in the cable is pressed on the tensile element pressing surface.
25. The cable breakout structure of any one of claims 14-18, wherein: an armor hose sleeved on the periphery of the sub-cable is arranged in the branching hole.
26. The cable breakout structure of claim 25, wherein: the armor hose is pressed in the branching hole.
27. The cable breakout structure of any one of claims 14-18, wherein: the tensile element crimping through groove is provided with at least one pair.
28. The cable breakout structure of claim 14, wherein: the parting part and the supporting part are of a split structure and are arranged at intervals, or the parting part and the supporting part are of an integrated structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710937352.3A CN109597174B (en) | 2017-09-30 | 2017-09-30 | Deconcentrator and cable branching structure using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710937352.3A CN109597174B (en) | 2017-09-30 | 2017-09-30 | Deconcentrator and cable branching structure using same |
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| Publication Number | Publication Date |
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| CN109597174A CN109597174A (en) | 2019-04-09 |
| CN109597174B true CN109597174B (en) | 2021-02-05 |
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| CN110764204B (en) * | 2019-09-30 | 2021-07-30 | 中航光电科技股份有限公司 | Optical cable branching structure and deconcentrator thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201210190Y (en) * | 2008-02-25 | 2009-03-18 | 中航光电科技股份有限公司 | Optic cable transmission line deconcentrator and deconcentrating structure using the same |
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| US8686289B2 (en) * | 2011-07-14 | 2014-04-01 | Channell Commercial Corporation | Sealing mechanism and method for drop cable splice enclosures |
| CN202384709U (en) * | 2011-12-19 | 2012-08-15 | 宁波日鼎电子科技有限公司 | Terminal deconcentrator of novel integrated cable |
| CN202533632U (en) * | 2012-05-25 | 2012-11-14 | 惠州汇聚电线制品有限公司 | Multi-fiber cable splitter |
| CN104183972B (en) * | 2013-05-21 | 2016-09-21 | 中航光电科技股份有限公司 | The tensile connecting structure of cable and use the adapter of this tensile connecting structure |
| CN103941368B (en) * | 2014-04-30 | 2016-08-24 | 武汉理工光科股份有限公司 | Improve connecting method and the structure thereof of splicing cables resistance to tension |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201210190Y (en) * | 2008-02-25 | 2009-03-18 | 中航光电科技股份有限公司 | Optic cable transmission line deconcentrator and deconcentrating structure using the same |
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