CN218631447U - Anti-bending anti-torsion photoelectric composite cable - Google Patents

Abstract

The utility model provides an anti-bending and anti-torsion photoelectric composite cable, which comprises a center layer, a resistance layer and an outer protective layer, wherein the center layer comprises a center framework, a center reinforcing rib is arranged at the center inside the center framework, a plurality of groups of compression gaskets are arranged on the outer side wall of the center framework, cables are arranged between every two adjacent compression gaskets, a channel for arranging the cables is arranged on the outer side wall of the center framework, at least one elastic stretching strip is arranged on each compression gasket, and a plurality of movable soft ball blocks are arranged on each elastic stretching strip; the resistance layer comprises two opposite half sheaths, each half sheath is provided with a plurality of sliding limiting grooves on the inner wall, each sliding limiting groove on the half sheath corresponds to each movable soft ball block on the elastic stretching strip one by one, and the movable soft ball blocks are positioned in the sliding limiting grooves. This practicality improves photoelectric composite cable's bending resistance and antitorque commentaries on classics performance to improve photoelectric composite cable's life.

Description

Anti-bending anti-torsion photoelectric composite cable

Technical Field

The utility model mainly relates to the technical field of photoelectric composite cable, concretely relates to antitorque commentaries on classics photoelectric composite cable of anti bending.

Background

With the continuous development of society and the continuous development of scientific level, the internet information age rises rapidly, the composite cable becomes an indispensable part in industry and life, and the most representative of the composite cables is the photoelectric composite cable. The photoelectric composite cable is suitable for being used as a transmission line in a broadband access network system, is a novel access mode, integrates optical fibers and power transmission copper wires, and can solve the problems of broadband access, equipment power consumption and signal transmission.

With the soaring of the power information industry, the application of the photoelectric composite cable permeates into various fields of life, so that the photoelectric composite cable needs to deal with a plurality of adverse working environments, but the bending resistance, the torsion resistance and other performances of the existing photoelectric composite cable are not outstanding at present, the insulativity and the normal work of the electric wire and the electric wire are difficult to ensure under the action of complex external force, and even the electric wire and the electric wire can be damaged and cannot work under the action of complex torsion and bending acting forces, so that the service life of the photoelectric composite cable is short.

SUMMERY OF THE UTILITY MODEL

The utility model discloses technical scheme is too single technical problem to prior art solution, provides showing and is different from prior art's solution, mainly provides an anti torsion photoelectric composite cable of bending for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a bending-resistant torsion-resistant photoelectric composite cable comprises a center layer, a resistant layer and an outer protective layer, wherein the center layer comprises a center framework, a center reinforcing rib is arranged in the center of the inside of the center framework, a plurality of groups of compression-resistant gaskets distributed at equal intervals are mounted on the outer side wall of the center framework, cables are arranged between every two adjacent compression-resistant gaskets, a channel for the cables to be arranged is formed in the outer side wall of the center framework, at least one elastic stretching strip is arranged on each compression-resistant gasket, a plurality of movable soft ball blocks are mounted on each elastic stretching strip, and the movable soft ball blocks are distributed at equal intervals; the resistance layer includes two relative half sheaths, every all be equipped with the slip spacing groove that a plurality of equidistance distributes on the half sheath inner wall, every slip spacing groove and every on the half sheath the last soft ball piece one-to-one of removal of elastic stretching strip, it is located the slip spacing inslot to remove soft ball piece.

Preferably, a protective sleeve is sleeved on the cable.

Preferably, each half sheath inner wall all contacts with elastic stretching strip lateral wall, it is equipped with the buffer material to fill between half sheath and the central skeleton.

Preferably, one side of the elastic stretching strip, which is far away from the movable soft ball block, is provided with a plurality of glue layer sheets distributed at equal intervals, and the elastic stretching strip is connected with the elastic stretching strip through the glue layer sheets.

Preferably, one of the half sheaths is provided with a plurality of alignment grooves distributed at equal intervals, the other one of the half sheaths is opposite to the other one of the half sheaths, the alignment blocks distributed at equal intervals are arranged on the half sheaths, and the alignment grooves correspond to the alignment blocks in a one-to-one manner.

Preferably, the resistance layer comprises a binding layer, and the binding layer is wrapped on the outer wall of the half sheath in a wrapping manner by a sealing tape.

Preferably, the outer sheath comprises an outer sheath sleeved on the binding layer, and the outer sheath is provided with an inner layer armored steel wire and an outer layer armored steel wire which are opposite in twisting direction.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The strength and the bending resistance of the photoelectric composite cable are further improved by the deformation of the elastic stretching strip, and the movable soft ball block can slide in the sliding limiting groove, so that the anti-torsion performance can be realized by relative rotation between the central layer and the resistance layer, and the service life of the photoelectric composite cable is prolonged;

(2) The central framework is used for carrying out structural support, so that the whole structure is very compact, the central reinforcing rib, the compression-resistant gasket and the buffering material are used for playing a role of comprehensive reinforcement, the whole strength is higher, and the bending resistance and torsion resistance of the photoelectric composite cable are improved;

(3) The inner layer armored steel wire and the outer layer armored steel wire which are opposite in twisting direction are adopted, so that the torque of the composite cable is balanced, the phenomenon that the composite cable rotates and is twisted in the using process is avoided, and the tensile strength and the bearing performance are improved.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic view of the structure of the center layer of the present invention;

FIG. 3 is a perspective view of the present invention;

figure 4 is a perspective view of an elastic stretch panel of the present invention.

Description of the drawings: 1. a core layer; 101. a central skeleton; 102. a central reinforcing rib; 103. a compression resistant gasket; 104. a channel; 105. an elastic stretch strip; 106. moving the soft ball block; 107. a layer of adhesive; 2. a resistant layer; 201. a half sheath; 202. a sliding limit groove; 203. buffering the material; 204. a positioning groove; 205. a positioning block; 206. a tie layer; 3. an outer jacket; 301. an outer sheath; 302. inner layer armor wires; 303. outer layer armouring steel wire; 4. a cable; 401. a protective sleeve.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

Please refer to fig. 1 and 2, the present invention provides a technical solution: the utility model provides an anti-bending and anti-torsion photoelectric composite cable, includes central layer 1, resistance layer 2 and outer jacket 3, central layer 1 includes central skeleton 101, the inside center of central skeleton 101 is provided with central strengthening rib 102, install the resistance to compression gasket 103 that a plurality of groups equidistance distributes on the central skeleton 101 lateral wall, two liang are adjacent be equipped with cable 4 between the resistance to compression gasket 103, be equipped with the passageway 104 that supplies cable 4 to settle on the central skeleton 101 lateral wall, carry out the structural support through central skeleton 101 for overall structure is very compact, and plays the effect of comprehensive reinforcement through central strengthening rib 102 and resistance to compression gasket 103 for overall strength is higher, improves the anti-bending and anti-torsion performance of photoelectric composite cable.

Referring to fig. 1-3 again, the inner wall of each of the half sheaths 201 is in contact with the outer side wall of the elastic tension strip 105, a buffer material 203 is filled between the half sheaths 201 and the central framework 101, the buffer material 203 is buffer cotton soaked with flame retardant ointment, when the optical cable is twisted or extruded, the cable 4 can be protected by deforming the buffer material 203, and the cable 4 is sleeved with a protective sleeve 401 to prevent the buffer material 203 from affecting the cable 4.

Please refer to fig. 1-4 again, each of the compression-resistant pads 103 is provided with at least one elastic stretching strip 105, the elastic stretching strip 105 is provided with a plurality of movable soft ball blocks 106, the movable soft ball blocks 106 are distributed at equal intervals, one side of the elastic stretching strip 105 away from the movable soft ball blocks 106 is provided with a plurality of equally distributed adhesive sheets 107, and the elastic stretching strip 105 is connected with the elastic stretching strip 105 through the adhesive sheets 107. The strength and the bending resistance of the photoelectric composite cable are further improved by the deformation of the elastic stretching strip 105 to resist the bending force of the photoelectric composite cable. The resistant layer 2 comprises two opposite half sheaths 201, a plurality of sliding limiting grooves 202 are arranged on the inner wall of each half sheath 201 at equal intervals, the sliding limiting grooves 202 on each half sheath 201 correspond to the movable soft ball blocks 106 on each elastic stretching strip 105 one by one, the movable soft ball blocks 106 are located inside the sliding limiting grooves 202, and the movable soft ball blocks 106 can slide inside the sliding limiting grooves 202, so that the anti-torsion performance can be realized by enabling the central layer 1 and the resistant layer 2 to rotate relatively before, and the service life of the photoelectric composite cable is prolonged.

Please refer to fig. 1-4 again, wherein a plurality of alignment slots 204 are disposed on one of the half sheaths 201, and a plurality of alignment blocks 205 are disposed on the other opposite half sheaths 201, the alignment slots 204 and the alignment blocks 205 are in one-to-one correspondence, so that when the two half sheaths 201 are pressed on the central layer 1, the two half sheaths 202 are ensured to slide up and down and are opposite to each other. The resistant layer 2 comprises a binding layer 206, the binding layer 206 is wrapped on the outer wall of the half sheath 201 in a wrapping mode through a sealing tape, and the binding tape in the wrapping mode is adopted, so that the two half sheaths 201 can be reinforced, the two half sheaths 201 are prevented from being loose, the sealing performance of the whole cable can be improved, and the functionality of the cable is improved.

Please refer to fig. 1-4, the outer sheath 3 includes an outer sheath 301 covering the binding layer 206, the outer sheath 301 is provided with an inner armor steel wire 302 and an outer armor steel wire 303 with opposite twisting directions, the twisting directions of the inner armor steel wire 302 and the outer armor steel wire 303 are opposite, so that the torque of the composite cable is balanced, the rotation twisting caused in the using process is avoided, and the tensile strength and the bearing performance are improved, and the inner armor steel wire 302 and the outer armor steel wire 303 can adopt high-strength galvanized steel wires.

The utility model discloses a concrete operation as follows:

this photoelectric composite cable is when using, carry out structural support through central skeleton 101, make overall structure very compact, and play the effect of comprehensive reinforcement through central strengthening rib 102 and resistance to compression gasket 103, make the bulk strength higher, improve photoelectric composite cable's bending resistance and antitorque commentaries on classics performance, the power of resisting photoelectric composite cable bending is come through the deformation of elastic tension strip 105, the intensity and the anti-bending performance of photoelectric composite cable have further been increased, and because remove soft ball piece 106 and can slide in slip spacing groove 202 inside, therefore, can realize antitorque commentaries on classics performance through taking place relative rotation before making central layer 1 and resistance layer 2, simultaneously, owing to adopted opposite inner armor steel wire 302 and the outer armor steel wire 303 of transposition direction, make the moment of torsion balance of this composite cable, avoid causing the rotation to beat in the use and turn round, and improve tensile and bearing capacity.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims (7)

1. The utility model provides a resistance to bending antitorque commentaries on classics photoelectric cables, includes centre layer (1), resistant layer (2) and outer jacket (3), its characterized in that: the central layer (1) comprises a central framework (101), a central reinforcing rib (102) is arranged at the center inside the central framework (101), a plurality of groups of compression-resistant gaskets (103) which are distributed at equal intervals are mounted on the outer side wall of the central framework (101), cables (4) are arranged between every two adjacent compression-resistant gaskets (103), a channel (104) for accommodating the cables (4) is formed in the outer side wall of the central framework (101), at least one elastic stretching strip (105) is arranged on each compression-resistant gasket (103), a plurality of movable soft ball blocks (106) are mounted on each elastic stretching strip (105), and the movable soft ball blocks (106) are distributed at equal intervals;

the resistance layer (2) comprises two opposite half sheaths (201), each half sheath (201) is provided with a plurality of sliding limiting grooves (202) distributed at equal intervals on the inner wall, each sliding limiting groove (202) on the half sheath (201) corresponds to each movable soft ball block (106) on the elastic stretching strip (105), and the movable soft ball blocks (106) are located inside the sliding limiting grooves (202).

2. The bending and torsion resistant optical-electrical composite cable according to claim 1, wherein: a protective sleeve (401) is sleeved on the cable (4).

3. The bending and torsion resistant photoelectric composite cable according to claim 1, wherein: each half sheath (201) inner wall all with elasticity stretch out (105) lateral wall contact, it is equipped with buffering material (203) to fill between half sheath (201) and central skeleton (101).

4. The bending and torsion resistant optical-electrical composite cable according to claim 1, wherein: one side of the elastic stretching strip (105) far away from the movable soft ball block (106) is provided with a plurality of rubber layer sheets (107) distributed at equal intervals, and the elastic stretching strip (105) is connected with the elastic stretching strip (105) through the rubber layer sheets (107).

5. The bending and torsion resistant photoelectric composite cable according to claim 1, wherein: one of them be equipped with a plurality of equidistance distribution's counterpoint groove (204) on half sheath (201), the other is relative be equipped with a plurality of equidistance distribution's counterpoint piece (205) on half sheath (201), counterpoint groove (204) and counterpoint piece (205) one-to-one.

6. The bending and torsion resistant photoelectric composite cable according to claim 1, wherein: the resistant layer (2) comprises a bound layer (206), and the bound layer (206) is wrapped on the outer wall of the half sheath (201) in a wrapping mode through a sealing tape.

7. The bending and torsion resistant photoelectric composite cable according to claim 6, wherein: the outer protective layer (3) comprises an outer sheath (301) sleeved on the binding layer (206), and the outer sheath (301) is provided with inner armor steel wires (302) and outer armor steel wires (303) which are opposite in stranding direction.

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