Laminated optical cable with multiple layers of reinforced cores

Abstract

The utility model discloses a layered optical cable with multiple layers of reinforced cores, which comprises a central frame and a fixed frame wrapped outside the central frame, a plurality of loose tubes are clamped between the central frame and the fixed frame, a plurality of wire cores are connected in the loose tubes, the outer wall of the fixed frame is wrapped with a steel belt, the outer wall of the steel belt is wrapped with an outer sheath, and the outer sheath is wrapped with an inner sheath. The center frame comprises a center column and an inner ring arranged outside the center shaft in a sleeving mode, the outer wall of the inner ring is wrapped by an outer ring, the outer wall of the outer ring is provided with a plurality of inwards-concave arc-shaped grooves, the loose tubes are placed in the arc-shaped grooves, the outer walls of the loose tubes make contact with the outer wall of the fixing frame, and the outer wall of the center column is fixedly connected with a plurality of reinforcing plates. The other end of the reinforcing plate is fixedly connected with the inner wall of the inner ring. According to the utility model, the problems that the outer sheath cannot be used and needs to be replaced and materials are wasted due to the fact that the outer sheath needs to be cut when a certain loose tube needs to be taken when a plurality of loose tubes are twisted to form a cable core by a layer-stranded optical cable are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable technology field especially relates to a layer unified type cable of multilayer reinforcing core. BACKGROUND

[0002] The layer twisted unified type cable is twisted into a round cable core by a plurality of sleeve pipes containing optical fibers around the central reinforcing member, and the metal or non-metal reinforcing member is located at the center of the cable, and the loose sleeve pipe containing the optical fiber is arranged around the reinforcing member.

[0003] However, the prior art has some problems: the layer twisted type cable is twisted into a cable core by a plurality of loose sleeve pipes, and when a loose sleeve pipe needs to be taken out, the outer sheath needs to be cut, which causes the outer sheath to be unable to be used and needs to be replaced, which is extremely wasteful of materials, and therefore the layer unified type cable of multilayer reinforcing core is proposed. UTILITY MODEL CONTENTS

[0004] In view of the above technical problems, the utility model provides a layer unified type cable of multilayer reinforcing core, which solves the problems of the layer twisted type cable, i.e., a plurality of loose sleeve pipes are twisted into a cable core, an outer sheath needs to be cut when a loose sleeve pipe needs to be taken out, the outer sheath cannot be used and needs to be replaced, and materials are wasted.

[0005] The utility model is implemented in the following manner: a layer unified type cable of multilayer reinforcing core, comprising a center frame and a fixing frame wrapped outside the center frame, a plurality of loose sleeve pipes are clamped between the center frame and the fixing frame, a plurality of wire cores are connected inside the loose sleeve pipe, a steel band is wrapped outside the outer wall of the fixing frame, an outer sheath is wrapped outside the outer wall of the steel band, the center frame comprises a center column and an inner ring wrapped outside the center column, an outer ring is wrapped outside the outer wall of the inner ring, a plurality of inwardly recessed arc-shaped grooves are arranged on the outer wall of the outer ring, the loose sleeve pipe is placed inside the arc-shaped groove, the outer wall of the loose sleeve pipe is in contact with the outer wall of the fixing frame, a plurality of reinforcing plates are fixedly connected to the outer wall of the center column, and the other end of the reinforcing plate is fixedly connected to the inner wall of the inner ring.

[0006] As a preferred embodiment of the utility model, a plurality of first grooves and a plurality of clamping blocks are arranged on the inner side of the fixing frame, the clamping blocks are arranged on both sides of the first grooves, and the cross section of the clamping block is arranged in a trapezoidal shape.

[0007] As a preferred embodiment of the utility model, a plurality of inwardly recessed clamping grooves are arranged on the outer edge of the outer ring, the clamping grooves are used for accommodating the clamping blocks, the clamping grooves are arranged on both sides of the arc-shaped grooves, a second groove and an arc-shaped mounting groove are arranged on the inner side of each arc-shaped groove, the arc-shaped mounting groove is movably connected to a steel ball inside the arc-shaped mounting groove, the steel ball partially protrudes outside the arc-shaped mounting groove and is in contact with the loose sleeve pipe, and the second groove corresponds to the first groove.

[0008] As the utility model is preferred, the outer wall of the loose sleeve is provided with a connecting groove, a detachable clamp is connected in the connecting groove, and the loose sleeve is connected with the outer ring and the fixing frame through the clamp.

[0009] As the utility model is preferred, the clamp comprises a first arc-shaped frame and a second arc-shaped groove, the first arc-shaped frame and the second arc-shaped groove are combined and connected in a circular shape in the connecting groove, the outer wall of both ends of the joint of the first arc-shaped frame and the second arc-shaped frame is fixedly connected with a fixing block and a positioning block respectively, a limiting hole is arranged through the outer wall of the fixing block, a positioning shaft is fixedly connected to the outer wall of the side of the positioning block close to the fixing block, the positioning shaft extends into the limiting hole, and the second arc-shaped frame is connected with the first arc-shaped groove in position through the positioning shaft extending into the limiting hole.

[0010] As the utility model is preferred, the outer wall of the side of the fixing block close to the positioning block is provided with an inwardly recessed receiving groove, the receiving groove and the limiting hole are in communication, the diameter of the receiving groove is larger than that of the limiting hole, and a spring is fixedly connected to the inner wall of the receiving groove.

[0011] As the utility model is preferred, the outer wall of one end of the positioning shaft connected with the positioning block is fixedly connected with a connecting block, and the size of the connecting block is the same as the diameter of the receiving groove.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. The utility model discloses a clamping block extending into the clamping groove, a loose sleeve is pressed against the arc-shaped groove, the loose sleeve is connected between the two clamping blocks and in contact with the inner wall of the fixing frame, a single loose sleeve can be easily pulled out, and thus the problem that the loose sleeve can be pulled out only by cutting the outer sheath is solved.

[0014] 2. The first arc-shaped frame and the second arc-shaped frame are placed in the connecting groove, the positioning shaft penetrates the spring, the positioning shaft on the positioning block penetrates the receiving groove and extends into the limiting hole, the connecting block extends into the receiving groove and is in contact with the spring, when the fixing block and the positioning block extend into the first recess and the second recess, the spring is used for rebounding, the fixing block and the positioning block are in close contact with the inner walls of the first recess and the second recess, and the stability between the clamp, the outer ring and the fixing frame is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view provided by the utility model embodiment;

[0016] Figure 2 It is a center frame schematic view provided by the utility model embodiment;

[0017] Figure 3 It is a fixing frame partial sectional view schematic view provided by the utility model embodiment;

[0018] Figure 4 The utility model embodiment provides Figure 1 The a area amplification schematic view of in the middle;

[0019] Figure 5 The utility model embodiment provides the connecting schematic view of the clamp and the sleeve pipe;

[0020] Figure 6 The utility model embodiment provides the connecting schematic view of the first arc frame and the second arc frame.

[0021] In the figure: 1, outer sheath;2, steel band;3, fixed frame;4, sleeve pipe;5, center frame;6, clamp;31, first recess;32, clamping block;41, connecting groove;51, center column;52, reinforcing plate;53, inner ring;54, outer ring;61, first arc frame;62, second arc frame;541, second recess;542, arc slot;544, arc mounting groove;545, steel ball;543, clamping groove;611, fixed block;612, storage groove;613, limiting hole;621, positioning block;622, connecting block;623, positioning shaft. DETAILED DESCRIPTION

[0022] In order to further understand the utility model content, characteristics and efficacy of the utility model, the following examples are cited, and the following is described in detail in cooperation with the drawings.

[0023] The structure of the utility model is described in detail below in combination with the drawings.

[0024] Embodiment 1:

[0025] As Figures 1 to 6 The utility model embodiment provides a kind of layer unified type optical cable of multi-layer reinforced core, including center frame 5 and the fixed frame 3 wrapped in the outside of center frame 5, the center frame 5 is clamped with multiple sleeve pipes 4 between fixed frame 3, the sleeve pipe 4 inside is connected with multiple wire cores, the fixed frame 3 outer wall is covered with steel band 2, the steel band 2 outer wall is covered with outer sheath 1, the center frame 5 includes center column 51 and inner ring 53, which is set on the outside of center shaft, the inner ring 53 outer wall is covered with outer ring 54, the outer ring 54 outer wall is equipped with multiple inwardly recessed arc slots 542, the arc slot 542 inside is placed with the sleeve pipe 4, the sleeve pipe 4 outer wall is in contact with the outer wall of fixed frame 3, the center column 51 outer wall is fixedly connected with multiple reinforcing plates 52, and the other end of the reinforcing plate 52 is fixedly connected with the inner wall of inner ring 53;The clamping block 32 of the utility model is set in the inside of clamping groove 543, the sleeve pipe 4 is resisted using arc slot 542, so that the sleeve pipe 4 is in contact with the inner wall of fixed frame 3, a single sleeve pipe 4 is conveniently extracted, so as to solve the problem that sleeve pipe 4 can be extracted only by cutting outer sheath 1.

[0026] As shown in Figures 2 to 4 , the inner side wall of the fixed frame 3 is provided with a plurality of first grooves 31 and a plurality of sets of clamping blocks 32, the clamping blocks 32 are located on both sides of the first grooves 31, the cross section of the clamping blocks 32 is arranged in trapezoidal shape; the outer edge of the outer ring 54 is provided with a plurality of sets of inwardly recessed clamping grooves 543, the clamping grooves 543 are used to accommodate the clamping blocks 32, and the clamping grooves 543 are located on both sides of the arc-shaped grooves 542, the inner side of each arc-shaped groove 542 is provided with a second groove 541 and a set of arc-shaped mounting grooves 544, the arc-shaped mounting grooves 544 are movably connected with steel balls 545 inside, the steel balls 545 partially protrude outside the arc-shaped mounting grooves 544 and contact the ferrule 4, and the second grooves 541 correspond to the first grooves 31; by setting the clamping blocks 32 to extend into the clamping grooves 543, the ferrule 4 is conveniently limited, so that the plurality of ferrules 4 are separated from each other, contact between the plurality of ferrules 4 is avoided, frictional resistance generated by the contact is avoided, and the ferrule 4 is conveniently pulled out.

[0027] As shown in Figure 5 , the outer wall of the ferrule 4 is provided with a connecting groove 41 surrounding a circle, the connecting groove 41 is internally connected with a detachable clamping hoop 6, and the ferrule 4 is limitedly connected with the outer ring 54 and the fixed frame 3 through the clamping hoop 6; the clamping hoop 6 is connected inside the connecting groove 41, so that the ferrule 4 is conveniently taken out from between the outer ring 54 and the fixed frame 3 through the clamping hoop 6.

[0028] As shown in Figure 6As shown, the clamp 6 comprises a first arc-shaped frame 61 and a second arc-shaped groove 542, the first arc-shaped frame 61 and the second arc-shaped groove 542 are combined in a circular shape and connected inside the connecting groove 41, the outer wall of the two ends of the first arc-shaped frame 61 and the second arc-shaped frame 62 is fixedly connected with a fixed block 611 and a positioning block 621 respectively, the outer wall of the fixed block 611 is provided with a limiting hole 613 penetrating through, the outer wall of the side close to the fixed block 611 of the positioning block 621 is fixedly connected with a positioning shaft 623, the positioning shaft 623 extends into the limiting hole 613, and the second arc-shaped frame 62 is limitingly connected with the first arc-shaped groove 542 by extending into the limiting hole 613 through the positioning shaft 623; the side close to the positioning block 621 of the outer wall of the fixed block 611 is provided with an inwardly recessed receiving groove 612, the receiving groove 612 and the limiting hole 613 are in communication, the diameter of the receiving groove 612 is greater than that of the limiting hole 613, and the inner wall of the receiving groove 612 is fixedly connected with a spring; the outer wall of one end of the positioning shaft 623 connected with the positioning block 621 is fixedly connected with a connecting block 622, and the size of the connecting block 622 is the same as that of the diameter of the receiving groove 612; the first arc-shaped frame 61 and the second arc-shaped frame 62 are placed inside the connecting groove 41, and the positioning shaft 623 penetrates through the spring, the positioning shaft 623 on the positioning block 621 penetrates through the receiving groove 612 and extends into the limiting hole 613, so that the connecting block 622 extends into the receiving groove 612 and contacts the spring, when the fixed block 611 and the positioning block 621 extend into the first groove 31 and the second groove 541, the spring is used for rebounding, so that the fixed block 611 and the positioning block 621 are in close contact with the inner walls of the first groove 31 and the second groove 541, and the stability between the clamp 6 and the outer ring 54 and the fixing frame 3 is improved.

[0029] The working principle of embodiment 1 is as follows:

[0030] When a single loose tube 4 needs to be taken out, the tool is used to partially push the loose tube 4 that needs to be taken out out of the outer sheath 1, so that the loose tube 4 drives the clamp 6 to move to the outside of the outer sheath 1, the outer sheath 1 is fixed by the tool, the loose tube 4 is pulled out by pulling the clamp 6, and each loose tube 4 does not contact, so as to reduce the friction force generated when taking out, and cooperate with the rotatable steel ball 545 to facilitate the taking out of the loose tube 4.

[0031] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A multi-layer reinforced core layered optical cable, comprising a central frame (5) and a fixing frame (3) wrapped around the central frame (5), wherein a plurality of loose tubes (4) are snapped between the central frame (5) and the fixing frame (3), wherein a plurality of wire cores are connected inside the loose tubes (4), the outer wall of the fixing frame (3) is covered with a steel strip (2), and the outer wall of the steel strip (2) is covered with an outer sheath (1), characterized in that: The center frame (5) comprises a center column (51), and an inner ring (53) sleeved outside the center column, the outer wall of the inner ring (53) is covered with an outer ring (54), the outer wall of the outer ring (54) is provided with a plurality of inwardly recessed arc-shaped grooves (542), the arc-shaped grooves (542) are internally placed with the loose sleeve (4), the outer wall of the loose sleeve (4) is in contact with the outer wall of the fixed frame (3), the outer wall of the center column (51) is fixedly connected with a plurality of reinforcing plates (52), and the other end of the reinforcing plate (52) is fixedly connected with the inner wall of the inner ring (53).

2. A multi-layered, reinforced core, ribbonized fiber optic cable as set out in claim 1, wherein: The inner side of the fixed frame (3) is provided with a plurality of first grooves (31) and a plurality of groups of clamping blocks (32), the clamping blocks (32) are located on both sides of the first grooves (31), and the cross section of the clamping blocks (32) is arranged in a trapezoidal shape.

3. A multi-layered, reinforced core, ribbonized fiber optic cable as set out in claim 1, wherein: The outer edge of the outer ring (54) is provided with a plurality of inwardly recessed clamping grooves (543), the clamping grooves (543) are used for accommodating the clamping blocks (32), and the clamping grooves (543) are located on both sides of the arc-shaped grooves (542). Each of the arc-shaped grooves (542) is internally provided with a second groove (541) and a group of arc-shaped mounting grooves (544) in communication, the arc-shaped mounting grooves (544) are movably connected with steel balls (545) inside, the steel balls (545) partially extend outside the arc-shaped mounting grooves (544) and are in contact with the loose sleeve (4), and the second grooves (541) correspond to the first grooves (31).

4. A multi-layered, reinforced core, unitized optical cable as set forth in claim 1, wherein: The outer wall of the loose sleeve (4) is provided with a connecting groove (41) surrounding a circle, the connecting groove (41) is internally connected with a detachable clamping hoop (6), and the loose sleeve (4) is limitingly connected with the outer ring (54) and the fixed frame (3) through the clamping hoop (6).

5. A multi-layered, reinforced core, ribbonized fiber optic cable as set out in claim 4, wherein: The clamping hoop (6) comprises a first arc-shaped frame (61) and a second arc-shaped groove (542), the first arc-shaped frame (61) and the second arc-shaped groove (542) are combined in a circular shape and connected inside the connecting groove (41), the outer walls of both ends of the joint of the first arc-shaped frame (61) and the second arc-shaped frame (62) are fixedly connected with a fixed block (611) and a positioning block (621) respectively, the outer wall of the fixed block (611) is provided with a limiting hole (613) in penetration, the outer wall of the side close to the fixed block (611) of the positioning block (621) is fixedly connected with a positioning shaft (623), the positioning shaft (623) extends into the limiting hole (613) inside, and the second arc-shaped frame (62) is limitingly connected with the first arc-shaped groove (542) through the positioning shaft (623) extending into the limiting hole (613) inside.

6. A multi-layered, reinforced core, ribbonized fiber optic cable as set out in claim 5, wherein: The outer wall of the side close to the positioning block (621) of the fixed block (611) is provided with an inwardly recessed receiving groove (612), the receiving groove (612) is in communication with the limiting hole (613), the diameter of the receiving groove (612) is greater than that of the limiting hole (613), and the inner wall of the receiving groove (612) is fixedly connected with a spring.

7. A multi-layered, reinforced core, ribbonized fiber optic cable as set out in claim 6, wherein: The outer wall of one end of the positioning shaft (623) connected with the positioning block (621) is fixedly connected with a connecting block (622), and the size of the connecting block (622) is the same as that of the diameter of the receiving groove (612).

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