CN213601689U - Separable twisted-pair cable - Google Patents

Abstract

The utility model discloses a split twisted pair line relates to twisted pair line technical field. The utility model comprises a wire sheath and a wire core wrapped in the wire sheath, wherein the wire core comprises four groups of wire pairs, the wire sheath comprises four wire sleeves, the cross section of each wire sleeve is 1/4 fan-shaped, a wire cavity is arranged in each wire sleeve, and the four groups of wire pairs are respectively arranged in the wire cavities of the four wire sleeves; the four wire sleeves are arranged in a coaxial manner, and the adjacent wire sleeves are detachably connected through a split structure. The utility model discloses but the quickly separating line pair, convenient operation, the separation process can not harm the sinle silk, and the sinle silk after the separation is wrapped up by the line cover, can effectively protect the sinle silk, more is favorable to the construction of pronunciation wiring.

Description

Separable twisted-pair cable

Technical Field

The utility model relates to a paired line technical field, concretely relates to detachable paired line.

Background

The intelligent building comprehensive wiring covers voice communication, network communication, an intelligent Internet of things, an entrance guard attendance system, a network monitoring system and the like. In the comprehensive wiring engineering of intelligent buildings, the wiring of a network system and a voice system is the most common. At present, with the popularization of mobile phones and the internet, the demand for a voice system is gradually reduced when intelligent buildings are wired. In the current intelligent building wiring project, only a few voice information points are required to be installed, a network twisted pair which consumes tens of thousands of meters or even dozens of thousands of meters may be required in the wiring project, a voice system may only need a line which is hundreds of meters or dozens of meters, and because the difference of the required quantity of the two lines is large, the network twisted pair is generally purchased uniformly for wiring in the actual construction process. The network twisted pair generally has four sets of pairs, and only one to two sets of pairs are needed for voice system wiring, and the other pairs are used for another voice point. When the distance between two voice points is too far, the wire skin needs to be cut and the wire pair needs to be separated, and the method has the following defects:

firstly, the wire skin needs to be cut when the wire pair is separated, the operation is troublesome, and the wiring efficiency is influenced;

secondly, when the separating wire is aligned, the wire core is easily cut, so that the wire core is damaged, and the wire is wasted;

and thirdly, the wire pair is not protected by a wire sheath after being separated, the wire core of the wire pair is very thin, and the wire pair is easily scratched or cut off during wiring, so that the voice wiring construction is not facilitated.

In summary, the existing twisted pair has the defects of troublesome operation and easy damage of the wire core when the voice system needs to be wired in a separated wire pair.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a splittable twisted-pair cable. The utility model discloses but the quickly separating line pair, convenient operation, the separation process can not harm the sinle silk, and the sinle silk after the separation is wrapped up by the line cover, can effectively protect the sinle silk, more is favorable to the construction of pronunciation wiring.

The utility model discloses a split twisted pair line, including the line skin and wrap up the sinle silk in the line skin, the sinle silk includes four group's line pairs, the line skin includes four line covers, the cross section of line cover is 1/4 fan-shaped, establish wired chamber in the line cover, four group's the line pair sets up respectively in four line cover's line intracavity; the four wire sleeves are arranged in a coaxial manner, and the adjacent wire sleeves are detachably connected through a split structure.

Preferably, the split structure comprises a plurality of tearing openings, the tearing openings are arranged at intervals along the connecting positions between the adjacent wire sleeves, and the tearing openings penetrate through the wire sleeves along the axial direction of the wire sleeves, so that the wire sleeves can be separated from other wire sleeves along the arrangement path of the tearing openings.

Preferably, the ratio of the length of the tear to the outer diameter of the sheath is 0.06-0.07.

Preferably, the split structure includes a plurality of concave portions and convex portions, the concave portions are matched with the convex portions, the concave portions and the convex portions are respectively disposed at the connecting positions of two adjacent wire sleeves, the concave portions correspond to the convex portions one by one, and the concave portions are engaged with the convex portions, so that the wire sleeves can be separated from other wire sleeves along the disposing paths of the concave portions and the convex portions.

Preferably, the cross section of the convex part is rectangular, semicircular or triangular, and the concave part is matched with the convex part.

Preferably, the axis position of the wire skin is provided with a through hole, and the through hole penetrates along the axial direction of the wire skin.

Preferably, the ratio of the aperture of the through hole to the outer diameter of the wire sheath is 0.12 to 0.13.

Preferably, four peeling grooves are formed in the peripheral surface of the wire sheath at equal intervals, the peeling grooves extend along the axial direction of the wire sheath, and the four peeling grooves correspond to the four connecting positions of the wire sleeve respectively.

Preferably, the peeling groove is an arc-shaped groove.

A pair line of splittable, its advantage lies in:

the utility model discloses a four line cover concatenations form the line skin, make four group's line pairs set up respectively in four line covers, and can dismantle the connection through the components of a whole that can function independently structure between the line cover, peel off the line to the time when needs, the accessible is peeled off the components of a whole that can function independently structure and is to the line quick-operation separation, need not use tools cutting line skin, and convenient operation is quick, can improve wiring efficiency. And the wire cores can not be damaged in the separation process, so that the waste of wires is reduced. The separated wire core is wrapped in the wire sleeve, the wire sleeve can effectively protect the wire core, the wire core is prevented from being scratched or cut off, and voice wiring construction is facilitated. Meanwhile, the four groups of wire pairs are respectively arranged in the four wire sleeves, so that the four groups of wire pairs can be separated, the mutual interference among the wire pairs can be effectively reduced, and the anti-interference capability of the six types of unshielded twisted pairs and the super six types of unshielded twisted pairs can be effectively enhanced.

Drawings

Fig. 1 is a schematic structural diagram of a splittable twisted pair according to an embodiment of the invention;

fig. 2 is a cross-sectional view of a twisted pair according to embodiment 1 of the present invention;

FIG. 3 is an enlarged schematic view of position A of FIG. 2;

fig. 4 is a cross-sectional view of a twisted pair according to embodiment 2 of the present invention;

fig. 5 is an enlarged schematic view of the position B in fig. 4.

Description of reference numerals: 1-line skin, 11-line sleeve, 111-line cavity, 12-tearing opening, 131-concave part, 132-convex part, 14-stripping groove and 2-line core.

Detailed Description

As shown in fig. 1, the splittable twisted-pair cable of the present invention includes a sheath 1 and a core 2 wrapped in the sheath 1, wherein the core 2 includes four pairs. The line skin 1 is formed by four line cover 11 concatenations, and line cover 11's transversal is 1/4 fan-shaped, is equipped with wired chamber 111 in the line cover 11, and four group's line pairs set up respectively in four line cover 11's line chamber 111, four line cover 11 sets up with the axle center, and two liang of hugs closely in line cover 11's the side plane, and the arcwall face is outside, and four line covers 11 splice jointly and form columniform line skin 1, and form crisscross partition structure inside the line skin 1, separate four line chambers 111. The adjacent wire sleeves 11 are detachably connected through a split structure, and more specifically, two side planes which are tightly attached to each other between the wire sleeves 11 are detachably connected through the split structure, so that the wire sleeves 11 are detachably separated. When the voice wiring construction needs to separate the wire pairs, the wire pair separation operation can be completed only by separating the corresponding wire sleeve 11 from other wire sleeves 11.

The utility model discloses a 11 concatenations of four line covers form line skin 1, make four group's line pairs set up respectively in four line covers 11, and can dismantle the connection through the components of a whole that can function independently structure between the line cover 11, peel off the line to the time when needs, the accessible is peeled off the components of a whole that can function independently structure and is to line quick separation, need not use tools cutting line skin 1, and convenient operation is quick, can improve wiring efficiency. And the wire core 2 can not be damaged in the separation process, and the waste of wires is reduced. The separated wire core 2 is wrapped in the wire sleeve 11, the wire sleeve 11 can effectively protect the wire core 2, the wire core 2 is prevented from being scratched or cut off, and voice wiring construction is facilitated. Meanwhile, the four groups of line pairs are respectively arranged in the four line sleeves 11, so that the four groups of line pairs can be separated, mutual interference among the line pairs can be effectively reduced, and the anti-interference capability of the six types of unshielded twisted pairs and the ultra-six types of unshielded twisted pairs can be effectively enhanced.

The split structure has at least the following two embodiments.

Example 1

Referring to fig. 2 and 3 in detail, the side planes of two adjacent wire sleeves 11 are connected to each other by gluing or fusing, the split structure includes a plurality of tearing openings 12, the tearing openings 12 are arranged at intervals along the connecting position between the adjacent wire sleeves 11, the cross section of each tearing opening 12 is in a long strip shape, and the tearing openings 12 penetrate through the wire sleeves 11 along the axial direction of the wire sleeves 11, so that the adjacent wire sleeves 11 are intermittently connected on the setting path of the tearing opening 12, when the wire sleeves 11 are pulled outwards, the wire sleeves 11 can be easily separated from other wire sleeves 11 along the setting path of the tearing opening 12, and the wire pair separation operation can be completed by pulling with hands. Foretell tear 12 structures, can realize the quickly separating between the line cover 11, convenient operation can improve wiring efficiency, need not the cutting of use tool, can not damage sinle silk 2, and processing is convenient.

Further, in the embodiment, the ratio of the length of the tearing opening 12 to the outer diameter of the wire sheath 1 is 0.06-0.07. The ratio of the length of the tearing opening 12 to the outer diameter of the wire sheath 1 can ensure that the tearing opening 12 has moderate length, so that the wire sleeves 11 can be stably connected, and the wire sleeves 11 can be quickly separated when being subjected to outward pulling force.

Example 2

Referring to fig. 4 and 5 in detail, the split structure includes a plurality of concave portions 131 and convex portions 132, the concave portions 131 and the convex portions 132 both extend along the axial direction of the wire sleeves 11, the concave portions 131 and the convex portions 132 are arranged at intervals along the connection positions between the wire sleeves 11, the concave portions 131 are matched with the convex portions 132, the concave portions 131 and the convex portions 132 are respectively arranged at the connection positions of two adjacent wire sleeves 11, that is, on the side plane, the concave portions 131 and the convex portions 132 are arranged in one-to-one correspondence, each concave portion 131 is engaged with the corresponding convex portion 132, the connection positions of two adjacent wire sleeves 11 form a connection section similar to a zigzag shape, and pressure is applied to the outer side of the wire sleeves 11 to make the wire sleeves 11 closely fit with each other, so that the four wire sleeves 11 are spliced to form a. When a radially outward pulling force is applied to the wire sleeve 11, the concave portion 131 and the convex portion 132 can be separated, the wire sleeve 11 and other wire sleeves 11 can be separated along the arrangement paths of the concave portion 131 and the convex portion 132, the wire pair separation operation can be completed by pulling with hands, and the structure that the concave portion 131 is meshed with the convex portion 132 can also realize the quick separation between the wire pairs, so that the operation is convenient and the wire core 2 cannot be damaged.

Furthermore, in the present embodiment, the cross section of the convex portion 132 is rectangular, semicircular or triangular, the concave portion 131 is matched with the convex portion 132, and the convex portion 132 with the above shape can make the concave portion 131 and the convex portion 132 tightly attached to each other, and is easy to separate and process when being pulled radially outward.

Above-mentioned two kinds of embodiments that divide the body structure all can realize the quick separation between the adjacent line cover 11, and can realize through the hand, can improve wiring efficiency, need not the instrument cutting, can not damage sinle silk 2.

Furthermore, in this embodiment, a circular through hole is disposed at the axial center of the wire sheath 1, and the through hole penetrates along the axial center of the wire sheath 1, so that the through hole can prevent the four wire sleeves 11 from being connected with each other at the axial center, and the wire sleeves 11 can be separated more easily.

Further, in the present embodiment, the ratio of the aperture of the through hole to the outer diameter of the wire sheath 1 is 0.12 to 0.13. The aperture of the through-hole can be made moderate, so that the connection between the wire covers 11 is kept relatively stable, and at the same time, the wire covers are easy to separate when being pulled outwards.

Further, in the present embodiment, four peeling grooves 14 are provided at equal intervals on the outer circumferential surface of the wire sheath 1, the peeling grooves 14 extend along the axial direction of the wire sheath 1, the peeling grooves 14 are recessed inward from the outer circumferential surface of the wire sheath 1 along the radial direction of the wire sheath 1, and the four peeling grooves 14 correspond to the connection positions of the four wire sleeves 11, respectively. The stripping slot 14 facilitates the application of force by the operator when stripping the wire pair, and facilitates the wire pair separation process.

Further, in this embodiment, the peeling groove 14 is an arc-shaped groove, which facilitates the application of force and is easy to process.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse explanation, these directional terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present application.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (9)

1. A splittable twisted pair comprises a sheath and a wire core wrapped in the sheath, wherein the wire core comprises four groups of wire pairs, the sheath is characterized in that the sheath comprises four wire sleeves, the cross section of each wire sleeve is 1/4 fan-shaped, a wire cavity is arranged in each wire sleeve, and the four groups of wire pairs are respectively arranged in the wire cavities of the four wire sleeves; the four wire sleeves are arranged in a coaxial manner, and the adjacent wire sleeves are detachably connected through a split structure.

2. The splittable twisted pair of claim 1, wherein the splitting structure comprises a plurality of tear notches, the tear notches are arranged at intervals along a connecting position between adjacent wire sleeves, and the tear notches penetrate through the wire sleeves along an axial direction of the wire sleeves, so that the wire sleeves can be separated from other wire sleeves along an arrangement path of the tear notches.

3. The splittable twisted pair of claim 2, wherein a ratio of a length of said tear notch to an outer diameter of said sheath is 0.06-0.07.

4. The splittable twisted pair of claim 1, wherein the splitting structure comprises a plurality of concave portions and convex portions, the concave portions are matched with the convex portions, the concave portions and the convex portions are respectively disposed at the connecting positions of two adjacent wire sleeves, the concave portions and the convex portions are in one-to-one correspondence, and the concave portions are engaged with the convex portions, so that the wire sleeves can be separated from other wire sleeves along the disposing paths of the concave portions and the convex portions.

5. The splittable twisted pair of claim 4, wherein said male portion has a rectangular, semi-circular or triangular cross-section, and said female portion is adapted to said male portion.

6. The splittable twisted pair of any one of claims 1-5, wherein a hole is formed in an axial position of the sheath, and the hole penetrates in an axial direction of the sheath.

7. The splittable twisted pair of claim 6, wherein a ratio of a diameter of said through-hole to an outer diameter of said sheath is 0.12-0.13.

8. The splittable twisted pair of any one of claims 1-5, wherein four peeling grooves are formed on the outer circumferential surface of the sheath at equal intervals, the peeling grooves extend in the axial direction of the sheath, and the four peeling grooves correspond to the connection positions of the four sheaths, respectively.

9. The splittable twisted pair of claim 8, wherein the peel groove is an arcuate groove.

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