CN216119671U

CN216119671U - Prevent distorting compound cable of USB photoelectricity of damage

Info

Publication number: CN216119671U
Application number: CN202122180312.3U
Authority: CN
Inventors: 余军; 王瑶
Original assignee: Suzhou Fuertai Optoelectronic Technology Co ltd
Current assignee: Suzhou Fuertai Optoelectronic Technology Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-22
Anticipated expiration: 2031-09-09

Abstract

The utility model relates to the technical field of cables, in particular to a USB photoelectric composite cable capable of preventing twisting damage, which comprises an optical fiber unit, a signal wire, a power wire, a control wire, a flexible inner framework, an aluminum foil layer, a buffer sleeve, a woven shielding layer and a sheath layer, wherein a round hole for containing the optical fiber unit is formed in the center of the flexible inner framework, trapezoidal holes for containing the signal wire, the power wire and the control wire are formed in the flexible inner framework, the trapezoidal holes are uniformly annular by taking the round hole as the center, straight edge strips are arranged on the outer wall of the flexible inner framework, arc transition edges are arranged between the adjacent straight edge strips, the aluminum foil layer is extruded outside the flexible inner framework, the arc transition edges are abutted against the aluminum foil layer, the buffer sleeve is extruded outside the aluminum foil layer, the woven shielding layer is extruded outside the woven shielding layer, and the sheath layer is extruded outside the woven shielding layer. According to the utility model, the optical fiber unit, the signal wire, the power wire and the control wire are separated in the independent cavity through the flexible inner framework, so that the mutual winding of wire cores is avoided, and the twisting damage is prevented.

Description

Prevent distorting compound cable of USB photoelectricity of damage

Technical Field

The utility model relates to the technical field of cables, in particular to a USB photoelectric composite cable capable of preventing twisting damage.

Background

USB3.1 is the latest USB specification, which was initiated by intel, etc., and has increased data transfer speeds up to 10 giga per second. Compared with the USB3.0 technology, the USB3.1 uses a more efficient data coding system and provides more than one time of effective data throughput rate, and is completely downward compatible with the existing USB connector and cable, so that the USB3.1 is expected to be a transmission interface of a mobile phone, a tablet, a computer and the like.

The existing USB3.1 photoelectric composite cable is poor in anti-extrusion capability. Therefore, the USB photoelectric composite cable capable of preventing twisting damage is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a USB photoelectric composite cable capable of preventing twisting damage so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prevent distorting damage's USB, photoelectricity composite cable, includes optical fiber unit, signal line, power cord, control line, flexible inner frame, aluminium foil layer, cushion collar, woven shield and restrictive coating, the round hole that holds optical fiber unit is seted up in the center department of flexible inner frame, flexible inner frame sets up the trapezoidal hole that holds signal line, power cord and control line, it is even that trapezoidal hole uses the round hole to be the annular as the center, flexible inner frame's outer wall is equipped with straight strake, is equipped with circular arc transition limit between the adjacent straight strake, flexible inner frame is crowded outward to be wrapped there is the aluminium foil layer, just circular arc transition limit and aluminium foil layer butt, the crowded package has the cushion collar outward, the crowded package has woven shield outward of aluminium foil cushion collar, the crowded package outward of woven shield has the restrictive coating.

Optionally, a filler strip is arranged outside the flexible inner framework and inside the aluminum foil layer, a jacket sleeved with the filler strip is integrally formed on the straight edge strip, and the longitudinal section of the jacket is in a shape of a major arc.

Optionally, a first air cushion is integrally formed on the inner wall of the buffer sleeve, a second air cushion is integrally formed on the outer wall of the buffer sleeve, the longitudinal sections of the first air cushion and the second air cushion are semi-elliptical, and the first air cushion and the second air cushion are distributed in a ring shape in a staggered manner with the center of the buffer sleeve.

Optionally, the optical fiber unit includes a four-core multimode optical cable, and the four-core multimode optical cable is externally extruded with a low-smoke halogen-free flame-retardant sleeve.

Optionally, the signal line is equipped with four strands, the power cord is equipped with two strands, the control line is equipped with one strand, the signal line includes the twisted pair line, the ground wire to and the aluminum foil layer for the control line of cladding twisted pair line and ground wire, the conducting surface of aluminum foil layer for the control line contacts with and with the ground wire inwards.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the optical fiber unit, the signal wire, the power wire and the control wire are separated in the independent cavity through the flexible inner framework, so that the mutual winding of wire cores is avoided, the distortion damage is prevented, and the service life is prolonged;

2. according to the utility model, the filling strips are sleeved and clamped by the clamping sleeve, the filling strips are prevented from moving in an aluminum foil layer, the roundness of the photoelectric composite cable is improved, the circumferential buffer structure is provided by the buffer sleeve, the anti-extrusion capacity of the photoelectric composite cable is improved, and the cable core is effectively protected.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention.

In the figure: 1. an optical fiber unit; 2. a signal line; 3. a power line; 4. a control line; 5. a flexible inner skeleton; 501. a circular hole; 502. a trapezoidal hole; 503. straight edge strips; 504. a circular arc transition edge; 505. a jacket; 6. an aluminum foil layer; 7. a buffer sleeve; 701. a first air cushion; 702. a second air cushion; 8. weaving a shielding layer; 9. a sheath layer; 10. and (6) filling the strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1, the present invention provides a USB photoelectric composite cable capable of preventing twisting damage, including an optical fiber unit 1, a signal line 2, a power line 3, a control line 4, a flexible inner frame 5, an aluminum foil layer 6, a buffer sleeve 7, a braided shield layer 8, and a sheath layer 9. The optical fiber unit 1 comprises a four-core multimode optical cable, and a low-smoke halogen-free flame-retardant sleeve is extruded outside the four-core multimode optical cable. The signal wire 2 is provided with four strands, the power cord 3 is provided with two strands, the control wire 4 is provided with one strand, the signal wire 2 comprises a twisted pair wire, a ground wire and an aluminum foil layer for the control wire wrapping the twisted pair wire and the ground wire, and the conductive surface of the aluminum foil layer for the control wire is inwards contacted with the ground wire. The power line 9 comprises a power line conductor and an HDPE insulating sleeve extruded outside the power line conductor. The control wire 4 comprises two control wire conductors, an insulating layer extruded on the control wire conductors and an aluminum foil layer extruded on the insulating layer for the control wire, a grounding wire is arranged between the aluminum foil layer for the control wire and the insulating layer, and the conductive surface of the aluminum foil layer for the control wire faces inwards and is in contact with the grounding wire.

The center department of flexible inner frame 5 sets up the round hole 501 that holds optical fiber unit 1, and flexible inner frame 5 sets up the trapezoidal hole 502 that holds signal line 2, power cord 3 and control line 4, and trapezoidal hole 502 uses round hole 501 to be the annular even as the center. The flexible inner framework 5 separates the optical fiber unit 1, the signal line 2, the power line 3 and the control line 4 in independent cavities, so that the mutual winding of wire cores is avoided, and the distortion damage is prevented. The outer wall of flexible inner frame 5 is equipped with straight strake 503, is equipped with circular arc transition limit 504 between the adjacent straight strake 503, and flexible inner frame 5 is crowded package outward has aluminium foil layer 6, and circular

arc transition limit

504 and 6 butts on aluminium foil layer, and the outer fringe of flexible inner frame 5 is similar regular heptagon, and after 6 crowded package flexible inner frame 5 on aluminium foil layer, aluminium foil layer 6 can be circularly for the compound cable structure of photoelectricity is round and complete. A filling strip 10 is arranged outside the flexible inner framework 5 and in the aluminum foil layer 6, a jacket 505 sleeved with the filling strip 10 is integrally formed on the straight edge strip 503, and the longitudinal section of the jacket 505 is in a major arc shape. The jacket 505 is sleeved with the filler strip 10 to prevent the filler strip 10 from moving in the aluminum foil layer 6, so that the roundness of the photoelectric composite cable is improved.

The aluminum foil layer 6 is extruded with a buffer sleeve 7, a first air cushion 701 is integrally formed on the inner wall of the buffer sleeve 7, a second air cushion 702 is integrally formed on the outer wall of the buffer sleeve 7, the longitudinal sections of the first air cushion 701 and the second air cushion 702 are semi-elliptical, and the first air cushion 701 and the second air cushion 702 are distributed in an annular staggered manner with the center of the buffer sleeve 7. The first air cushion 701 and the second air cushion 702 provide a circumferential buffer structure, so that the anti-extrusion capacity of the photoelectric composite cable is improved, and the cable core is effectively protected. The buffer sleeve 7 is externally extruded with a braided shielding layer 8, and the braided shielding layer 8 is externally extruded with a sheath layer 9.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent compound cable of USB photoelectricity of distortion damage which characterized in that: comprises an optical fiber unit (1), a signal wire (2), a power wire (3), a control wire (4), a flexible inner framework (5), an aluminum foil layer (6), a buffer sleeve (7), a woven shielding layer (8) and a sheath layer (9), wherein a round hole (501) for accommodating the optical fiber unit (1) is formed in the center of the flexible inner framework (5), a trapezoidal hole (502) for accommodating the signal wire (2), the power wire (3) and the control wire (4) is formed in the flexible inner framework (5), the trapezoidal hole (502) is annular and uniform by taking the round hole (501) as the center, a straight edge strip (503) is arranged on the outer wall of the flexible inner framework (5), an arc transition edge (504) is arranged between the adjacent straight edge strips (503), the aluminum foil layer (6) is extruded outside the flexible inner framework (5), the arc transition edge (504) is abutted to the aluminum foil layer (6), and the buffer sleeve (7) is extruded outside the aluminum foil layer (6), buffer sleeve (7) are crowded outward and have been wrapped up braided shield layer (8), braided shield layer (8) are crowded outward and have been wrapped up restrictive coating (9).

2. The anti-twisting damage USB photoelectric composite cable according to claim 1, wherein: the flexible inner framework (5) is arranged outside the aluminum foil layer (6) and is internally provided with a filling strip (10), the straight edge strip (503) is integrally formed with a jacket (505) which is sleeved with the filling strip (10), and the longitudinal section of the jacket (505) is in a major arc shape.

3. The anti-twisting damage USB photoelectric composite cable according to claim 1, wherein: the inner wall of the buffer sleeve (7) is integrally formed with a first air cushion (701), the outer wall of the buffer sleeve (7) is integrally formed with a second air cushion (702), the longitudinal sections of the first air cushion (701) and the second air cushion (702) are semi-elliptical, and the first air cushion (701) and the second air cushion (702) are distributed in an annular staggered manner by using the center of the buffer sleeve (7).

4. The anti-twisting damage USB photoelectric composite cable according to claim 1, wherein: the optical fiber unit (1) comprises a four-core multimode optical cable, and a low-smoke halogen-free flame-retardant sleeve is extruded and wrapped outside the four-core multimode optical cable.

5. The anti-twisting damage USB photoelectric composite cable according to claim 1, wherein: the signal line (2) is equipped with four strands, power cord (3) are equipped with two strands, control line (4) are equipped with one strand, signal line (2) are including the twisted pair line, the ground wire to and the aluminum foil layer for the control line of cladding twisted pair line and ground wire, the conducting surface of aluminum foil layer for the control line contacts with and with the ground wire inwards.