阅读说明：本技术 一种无缝绕包线及其制备方法 (Seamless lapped wire and preparation method thereof ) 是由 周正平 吴金宾 陈太平 于 2021-10-19 设计创作，主要内容包括：本发明涉及一种无缝绕包线及其制备方法,属于线缆制备技术领域,其技术方案包括导体线芯,设置于所述导体线芯外侧的绝缘层,所述绝缘层外侧包裹有绕包线层；沿所述导体线芯长度方向,且位于所述绝缘层和所述绕包线层之间设置有锁定环；所述绕包线层包括缠绕于所述锁定环外侧、相邻所述锁定环之间、以及位于所述绝缘层外侧的防裂层、以及缠绕于所述防裂层外侧的致密层。通过上述方案,能够提高绕包线的抗压能力和防止绕包线发生断裂,提高绕包线的使用寿命。(The invention relates to a seamless lapped wire and a preparation method thereof, belonging to the technical field of cable preparation, and the technical scheme comprises a conductor wire core and an insulating layer arranged on the outer side of the conductor wire core, wherein a lapped wire layer is wrapped on the outer side of the insulating layer; a locking ring is arranged along the length direction of the conductor wire core and between the insulating layer and the wrapping wire layer; the wrapping wire layer comprises an anti-cracking layer and a compact layer, wherein the anti-cracking layer is wound outside the locking ring, between the adjacent locking rings and outside the insulating layer, and the compact layer is wound outside the anti-cracking layer. Through above-mentioned scheme, can improve the compressive capacity around the package and prevent around the package fracture, improve the life around the package.)

1. The utility model provides a seamless lapped wire which characterized in that: the cable comprises a conductor wire core (100) and an insulating layer (200) arranged on the outer side of the conductor wire core (100), wherein a wrapping wire layer (300) is wrapped on the outer side of the insulating layer (200);

a locking ring (400) is arranged along the length direction of the conductor wire core (100) and between the insulating layer (200) and the wrapping wire layer (300);

the wrapping wire layer (300) comprises an anti-cracking layer (310) wound outside the locking rings (400), between the adjacent locking rings (400) and outside the insulating layer (200), and a compact layer (320) wound outside the anti-cracking layer (310).

2. The seamless lapped wire of claim 1 wherein: the locking ring (400) comprises a positioning ring (410) sleeved outside the conductor fiber core and a limiting plate (420) positioned on the circumferential direction of the positioning ring (410);

the positioning ring (410) is provided with a plurality of communication ports (411) along the circumferential direction; the limiting plates (420) are arranged at intervals along the circumferential direction of the positioning ring (410).

3. The seamless lapped wire of claim 1 wherein: the insulation layer (200) comprises an inner insulation layer (210) and an outer insulation layer (220), the inner insulation layer (210) is located on the inner side of the positioning ring (410) and wraps the conductor wire core (100);

the outer insulating layer (220) covers the positioning ring (410), the limiting plate (420) and the inner insulating layer (210), and is integrally formed with the inner insulating layer (210).

4. The seamless lapped wire of claim 1 wherein: the limiting plates (420) are arranged at intervals along the length direction of the conductor wire core (100), and the width of the limiting plates (420) along the radial direction of the positioning ring (410) is 0.5-2 mm.

5. The seamless lapped wire of claim 1 wherein: and a connecting piece (500) is detachably arranged on the outer side of the wrapping wire layer (300) and positioned on the locking ring (400).

6. The seamless lapped wire of claim 1 wherein: the connecting piece (500) comprises a first arc-shaped plate (510) and a second arc-shaped plate (520) with semicircular sections, wherein the first arc-shaped plate (510) and the second arc-shaped plate (520) are respectively provided with reinforcing strips (530) at intervals along the circumferential direction;

the first curved plate (510) and the second curved plate (520) are connected to each other.

7. The seamless lapped wire of claim 1 wherein: the fixing plates (540) are respectively arranged on two side edges of the first arc-shaped plate (510) and the second arc-shaped plate (520) in the length direction, and mounting holes (541) are formed in the fixing plates (540).

8. The seamless lapped wire of claim 1 wherein: and a mounting plate (550) is arranged on one side surface of the first arc-shaped plate (510) or the second arc-shaped plate (520) which deviates from each other.

9. A preparation method of a seamless lapped wire is characterized by comprising the following steps: the method comprises the following steps:

firstly, positioning a plurality of locking rings (400) on the same axis, and controlling a conductor wire core (100) to pass through the locking rings (400);

step two, processing and molding an insulating layer (200) at the outer side of the conductor wire core (100) and covering a locking ring (400);

thirdly, winding the anti-cracking layer (310) and the dense layer (320) on the outer side of the insulating layer (200), wherein the winding directions of the anti-cracking layer (310) and the dense layer (320) are opposite;

and step four, mounting the connecting piece (500) on the formed lapped wire.

Technical Field

The invention belongs to the technical field of cable preparation, and particularly relates to a seamless lapped wire and a preparation method thereof.

Background

It is well known that wire and cable insulation, one of the main forms of electrical insulation, is actually a combination of electrical, thermal and mechanical properties, including wear resistance, cut resistance, chemical resistance, flame retardancy, smoke generation, operating temperature rating, dielectric properties, etc.

When the insulating lapped wire is processed, the perfect matching among the wire diameter of the edge lapped wire, the width and the thickness of the lapped film, the lapping rate, the lapping pitch and the lapping angle must be realized, and meanwhile, the stretching of the film must be considered during the structural design.

At some special operating modes, around the package, in the use, its outside can bear relatively great pressure, receives comparatively under the effect of pressure around the package, can take place the deformation of equidimension around the package bearing great pressure, and the insulating layer in its outside cracks easily, and inside wire is out of shape, is cracked easily simultaneously, and then influences the life around the package.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a seamless lapped wire, which can improve the pressure resistance of the lapped wire, prevent the lapped wire from being broken and prolong the service life of the lapped wire.

In order to achieve the above object, the present invention provides a technical solution as follows:

a seamless lapped wire comprises a conductor wire core and an insulating layer arranged on the outer side of the conductor wire core, wherein a lapped wire layer is wrapped on the outer side of the insulating layer; a locking ring is arranged along the length direction of the conductor wire core and between the insulating layer and the wrapping wire layer; the wrapping wire layer comprises an anti-cracking layer and a compact layer, wherein the anti-cracking layer is wound outside the locking ring, between the adjacent locking rings and outside the insulating layer, and the compact layer is wound outside the anti-cracking layer.

Preferably, the locking ring comprises a positioning ring sleeved outside the conductor fiber core and a limiting plate located in the circumferential direction of the positioning ring; the positioning ring is provided with a plurality of communication ports along the circumferential direction; the limiting plates are arranged along the circumferential direction of the positioning ring at intervals.

Preferably, the insulating layer comprises an inner insulating layer and an outer insulating layer, and the inner insulating layer is positioned on the inner side of the positioning ring and wraps the conductor wire core; the outer insulating layer covers the positioning ring, the limiting plate and the inner insulating layer and is integrally formed with the inner insulating layer.

Preferably, the limiting plates are arranged at intervals along the length direction of the conductor wire core, and the width of the limiting plates along the radial direction of the positioning ring is 0.5mm-2 mm.

Preferably, the connecting piece is detachably arranged on the outer side of the wrapping wire layer and on the locking ring.

Preferably, the connecting piece comprises a first arc-shaped plate and a second arc-shaped plate with semicircular cross sections, and the first arc-shaped plate and the second arc-shaped plate are respectively provided with reinforcing strips at intervals along the circumferential direction; the first arc-shaped plate and the second arc-shaped plate are connected with each other.

Preferably, the two side edges of the first arc-shaped plate and the second arc-shaped plate in the length direction are respectively provided with a fixing plate, and the fixing plates are provided with mounting holes.

Preferably, a mounting plate is arranged on one side face of the first arc-shaped plate or the second arc-shaped plate, which faces away from each other.

A method for preparing a seamless lapped wire comprises the following steps: firstly, positioning a plurality of locking rings on the same axis, and controlling a conductor wire core to pass through the locking rings; processing and forming an insulating layer on the outer side of the conductor wire core, and covering a locking ring; winding an anti-cracking layer and a compact layer on the outer side of the insulating layer, wherein the winding directions of the anti-cracking layer and the compact layer are opposite; and step four, mounting the connecting piece on the formed lapped wire.

The invention provides a seamless lapped wire and a preparation method thereof. When receiving external force extrusion around the cable, can bear the extrusion force through the limiting plate that the holding ring set up on with, play the effect of protective insulation layer, avoided the phenomenon of package line fracture to a certain extent through its anti extrusion ability, very big improvement the compressive capacity and the life of cable.

Drawings

FIG. 1 is a schematic structural view of a seamless lapped wire according to the present invention;

FIG. 2 is a cross-sectional view of a seamless lapped wire of the present invention;

FIG. 3 is a schematic view of a protruding locking ring in a seamless lapped wire of the present invention;

FIG. 4 is an end view of a protruding locking ring in a seamless lapped wire of the present invention;

FIG. 5 is a cross-sectional view of a seamless lapped wire of the present invention.

Reference numbers in the figures:

100. a conductor core;

200. an insulating layer; 210. an inner insulating layer; 220. an outer insulating layer;

300. wrapping a wire layer; 310. an anti-cracking layer; 320. a dense layer;

400. a locking ring; 410. a positioning ring; 411. a communication port; 420. a limiting plate;

500. a connecting member; 510. a first arc-shaped plate; 520. a second arc-shaped plate; 530. a reinforcing strip; 540. a fixing plate; 541. mounting holes; 550. and (7) mounting the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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.

Examples

The invention provides a seamless lapped wire, which is shown in figures 1-5 and comprises a conductor core 100 and an insulating layer 200 arranged outside the conductor core 100, wherein a lapped wire layer 300 is wrapped outside the insulating layer 200. Along the length direction of the conductor core 100, a locking ring 400 is arranged between the insulating layer 200 and the wrapping wire layer 300. Set up in the inboard locking ring 400 of insulating layer 200 through the insulating layer 200 and the interval that set up, in the use, when receiving great pressure around the package, can play the fixed effect of support through inside locking ring 400, avoid promptly around the excessive deformation of package, carry out spacing fixed to inboard insulating layer 200 simultaneously, avoid taking place the fracture.

The wrapping wire layer 300 comprises an anti-cracking layer 310 and a dense layer 320, wherein the anti-cracking layer 310 is wound outside the locking rings 400, between the adjacent locking rings 400 and outside the insulating layer 200, and the dense layer 320 is wound outside the anti-cracking layer 310. The locking ring 400 is located on the inner side of the insulating layer 200 and used for supporting and preventing cracking of the insulating layer 200, and the anti-cracking layer 310 and the compact layer 320 on the outer side play a role in cracking prevention, wherein the anti-cracking layer 310 is formed by winding glass fibers with a winding angle of 25-40 degrees, and the compact layer 320 on the outer side is formed by winding the glass fibers with a winding angle of 1.5-3 degrees.

The locking ring 400 comprises a positioning ring 410 sleeved outside the conductor fiber core and a limiting plate 420 positioned in the circumferential direction of the positioning ring 410; the positioning ring 410 is provided with a plurality of communication ports 411 along the circumferential direction; the plurality of the position limiting plates 420 are provided at intervals in the circumferential direction of the positioning ring 410. The insulation layer 200 comprises an inner insulation layer 210 and an outer insulation layer 220, wherein the inner insulation layer 210 is positioned at the inner side of the positioning ring 410 and wraps the conductor wire core 100; the outer insulation layer 220 covers the positioning ring 410, the limiting plate 420 and the inner insulation layer 210, and is integrally formed with the inner insulation layer 210. Through the plurality of communicating mouths 411 and the plurality of limiting plates 420, the anti-cracking layer 310 and the compact layer 320 on the inner side and the outer side of the positioning ring 410 can be connected more precisely and can be integrally formed. The positioning ring 410 does not affect the connection precision of the crack prevention layer 310 and the dense layer 320, and can provide a supporting effect and a crack prevention effect.

The plurality of limiting plates 420 are arranged at intervals along the length direction of the conductor wire core 100, and the width of the limiting plates 420 along the radial direction of the positioning ring 410 is 0.5mm-2 mm.

The connecting member 500 is detachably disposed around the outside of the wrapping wire layer 300 and on the locking ring 400. Can support fixedly around the covering wire through the connecting piece 500 that can dismantle the setting, conveniently connect fixedly around the covering wire, through setting up hookup location in the locking collar 400 outside, can avoid taking place the phenomenon of deformation or fracture around the covering wire in the long-term use of covering wire.

The connector 500 comprises a first arc-shaped plate 510 and a second arc-shaped plate 520 with semicircular cross sections, wherein the first arc-shaped plate 510 and the second arc-shaped plate 520 are respectively provided with reinforcing strips 530 at intervals along the circumferential direction; the first arc 510 and the second arc 520 are connected to each other. Limiting plate 420 mutually perpendicular that sets up on the spacing ring through the stiffener 530 that sets up can improve the area of contact of locking ring 400 and first arc 510, second arc 520 after the installation, guarantees then that connecting piece 500's effort acts on locking ring 400, and then avoids excessively deforming around the covering, guarantees around the intact of the inboard conductor sinle silk 100 of covering, has avoided simultaneously to a certain extent around the covering fracture.

The fixing plates 540 are respectively arranged on two sides of the first arc-shaped plate 510 and the second arc-shaped plate 520 in the length direction, the fixing plates 540 are provided with mounting holes 541, and a mounting plate 550 is arranged on one side surface of the first arc-shaped plate 510 or the second arc-shaped plate 520 which deviates from each other.

The embodiment also provides a preparation method of the seamless lapped wire, which comprises the following steps:

firstly, positioning a plurality of locking rings 400 on the same axis, and controlling the conductor core 100 to pass through the plurality of locking rings 400.

Step two, processing and molding the insulating layer 200 outside the conductor wire core 100, and covering the locking ring 400.

And thirdly, winding the anti-cracking layer 310 and the dense layer 320 on the outer side of the insulating layer 200, wherein the winding directions of the anti-cracking layer 310 and the dense layer 320 are opposite.

And step four, mounting the connecting piece 500 on the formed lapped wire.

The invention provides a seamless lapped wire and a preparation method thereof.A certain supporting effect is formed by a locking ring 400 arranged on the inner side of an insulating layer 200, and meanwhile, the connection between an inner insulating layer 210 and an outer insulating layer 220 is tighter by the interval between a communication port 411 arranged on the locking ring 400 and a limiting plate 420. When receiving external force extrusion around the cable, can bear the extrusion force through holding ring 410 and the limiting plate 420 that sets up on it, play the effect of protective insulation layer 200, avoided the phenomenon of the fracture around the cable to a certain extent through its anti extrusion ability, very big improvement the compressive capacity and the life of cable.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.