CN213752158U

CN213752158U - Insulating sleeve

Info

Publication number: CN213752158U
Application number: CN202023054080.9U
Authority: CN
Inventors: 张庭军; 惠东宇
Original assignee: Renazhi Insulation Materials Suzhou Co ltd
Current assignee: Renazhi Insulation Materials Suzhou Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-07-20
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses an insulating sleeve, which is a hollow tubular structure and comprises a braided tube body and an insulating layer coated on the peripheral surface of the braided tube body, wherein the insulating layer is silica gel; the weaving body is woven by many warps, many wefts and many supporting wires along insulation support's extending direction spiral crisscross and is formed, wherein, warp and weft alternately form a plurality of tie points that interweave, and the supporting wire sets up between warp and weft, and each supporting wire contacts with a plurality of tie points that interweave that are located same insulation support's length direction, and the length direction of each supporting wire is parallel with insulation support's length direction, warp and weft all with the supporting wire between keep the contained angle. The utility model provides an insulating sleeve which is added with a supporting line in the vertical direction between the warp and the weft and is used for supporting the integral structure of the sleeve and improving the strength of the sleeve; the inner diameter of the sleeve is stable in size in the production process, the using amount of raw materials is small, the sleeve is light in weight, and the material cost is saved.

Description

Insulating sleeve

Technical Field

The utility model relates to a sleeve pipe field especially relates to an insulation support.

Background

The conventional silica gel glass fiber sleeve is woven by alkali-free glass fiber raw yarns or bulked yarns, has excellent characteristics of chemical resistance, flame retardance, insulation, fire prevention, heat insulation and the like, and is widely applied to the fields of industrial electronic wiring, coil wrapping, electromechanical matching, terminal connection, electric instruments, electric power communication, aerospace, photoelectric communication, automobiles, war industry, electric power and the like, but the inner diameter and the size of the sleeve can be supported only by densely weaving common glass fibers, so that the raw materials are used more and the waste is more, and in addition, the impact resistance of the common glass fibers is poorer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide an insulation support, technical scheme is as follows:

the utility model provides an insulating sleeve, which is of a hollow tubular structure and comprises a braided tube body and an insulating layer coated on the outer circumferential surface of the braided tube body, wherein the insulating layer is silica gel; the weaving pipe body is formed by spirally and alternately weaving a plurality of warps, a plurality of wefts and a plurality of supporting wires along the extending direction of the insulating sleeve, wherein the warps and the wefts are crossed to form a plurality of interweaving connection points, the supporting wires are arranged between the warps and the wefts, each supporting wire is in contact with the interweaving connection points on the insulating sleeve in the length direction, the length direction of each supporting wire is parallel to the length direction of the insulating sleeve, and included angles are kept between the warps and the wefts and between the supporting wires.

Further, the warp, the weft and the supporting line are all made of polyester fibers.

Further, the twist of the warp and weft is greater than the twist of the support thread.

Furthermore, the structure points formed by the crossing of the warp and the weft are two upper parts and two lower parts.

Further, a plurality of the supporting wires are evenly distributed along the circumferential direction of the braided tube body.

Further, the distance between two adjacent supporting lines is larger than 3 mm.

Furthermore, the number of the crossing points of the warp and the yarn of the braided tube body in the length of three centimeters in the axial direction of the insulating sleeve is more than or equal to five.

Further, the outer surface of the braided tube body has a herringbone texture.

The utility model provides a beneficial effect that technical scheme brought as follows:

a. the utility model provides an insulating sleeve which is added with a supporting line in the vertical direction between the warp and the weft and is used for supporting the integral structure of the sleeve and improving the strength of the sleeve; the inner diameter of the sleeve in the production process is stable in size, the raw material consumption is low, the weight is reduced, the material and the cost are saved, the environmental pollution is reduced, and the scrappage in the weaving process is reduced by 20-30%;

b. the utility model discloses an insulation support not only has good heat preservation, insulation, consolidates the protective properties, can carry out electrical insulation and consolidate the protection to the object that the quilt cover was established, has good extensibility moreover, can be applied to cable junction, pipe connection etc. extensively.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a perspective view of an insulation bushing according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along the line A-A in FIG. 1;

fig. 3 is a schematic structural view of a braided tube according to an embodiment of the present invention.

Wherein the reference numerals include: 1-weaving tube body, 11-warp, 12-weft, 13-supporting wire and 2-insulating layer.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.

In an embodiment of the present invention, an insulation sleeve is provided, see fig. 1 to 2, which is a hollow tubular structure.

The specific structure of the insulating sleeve is as follows: it is including weaving body 1 and coat in weave the insulating layer 2 of the outer peripheral face of body 1, insulating layer 2 is silica gel, and silica gel has good high temperature resistance, insulating properties for the sleeve pipe is whole to have thermal-insulated and electrically insulating performance, and the better compliance in silica gel layer more makes whole sleeve pipe have good extensibility.

The specific structure of the braided tube body 1 is as follows: the insulating sleeve is formed by spirally and alternately weaving a plurality of warps 11 and a plurality of wefts 12 along the extending direction of the insulating sleeve, wherein the warps 11 and the wefts 12 are crossed to form a plurality of interweaving connection points, each supporting wire 13 is in contact with the interweaving connection points positioned on the same insulating sleeve in the length direction, the length direction of a connecting line of the interweaving connection points positioned on the same vertical line is consistent with the length direction of the insulating sleeve, and the length direction of each supporting wire 13 is parallel to the length direction of the insulating sleeve.

The braided tube body 1 is of a hollow tubular structure, and the supporting wires 13 are uniformly distributed along the circumferential direction of the braided tube body 1, namely, are arranged at equal intervals. The optimal distance between two adjacent supporting lines 13 is larger than 3mm, the supporting lines 13 are arranged in a plurality of interweaving connection points in the same annular direction at intervals of one interweaving connection point, namely, no supporting line is arranged at the interweaving connection point in the middle of the three interweaving connection points.

The extending direction of each supporting line 13 is parallel to the extending direction (i.e. the axial direction) of the insulating sleeve, the included angle is kept between the warp 11 and the weft 12 and the supporting lines 13, i.e. the included angle is kept between the warp 11 and the length direction of the insulating sleeve, the included angle is kept between the weft 12 and the length direction of the insulating sleeve, and the warp 11 and the weft 12 are preferably arranged perpendicularly. The utility model provides a support line in the vertical direction is added between the warp and the weft in the braided tube body of the insulating sleeve, which is used for supporting the whole structure of the sleeve and improving the strength of the sleeve; the sleeve can be supported without being densely woven, and the required raw materials are relatively reduced.

Preferably, the warp 11 and weft cross to form the weave point, preferably two upper and two lower, and the outer surface of the woven tube 1 has a herringbone pattern.

The warp 11, the weft 12 and the supporting wire 13 are all multifilament made of PET polyester fiber material, and the polyester fiber has excellent wrinkle resistance, elasticity and dimensional stability, good electrical insulation performance, sunlight resistance, friction resistance, no mildew or moth resistance, good chemical reagent resistance, and weak acid and weak alkali resistance.

The number of the intersections of the warp 11 and the yarns of the braided tube body 1 in the three-centimeter length of the insulating sleeve in the axial direction is more than or equal to five, and the number of the intersections is large, so that the insulating sleeve is integrally firm and wear-resistant.

The twist of the warp 11 and the weft 12 is larger than that of the supporting wire, the supporting wire is thin, the effect of the integral structure of the supporting sleeve can be achieved only by relatively few raw materials, and raw materials are greatly saved.

The utility model provides an insulation support's preparation process as follows: weaving to form a woven pipe body, and then gluing the outer surface of the woven pipe body to form an insulating layer.

The utility model provides an insulating sleeve which is added with a supporting line in the vertical direction between the warp and the weft and is used for supporting the integral structure of the sleeve and improving the strength of the sleeve; the inner diameter of the sleeve in the production process is stable in size, the raw material consumption is low, the weight is reduced, the material and the cost are saved, the environmental pollution is reduced, and the scrappage in the weaving process is reduced by 20-30%. The silica gel layer is arranged, so that the strength of the sleeve can be enhanced, the sleeve is not easy to deform when being pulled, and the insulation performance of the sleeve is improved due to the insulation characteristic of the silica gel layer, the withstand voltage level can reach 4.0KV, and the abrasion resistance can reach several times or even ten times of that of a common silica gel product. The withstand voltage grade can reach 4.0 KV: and when the boosting rate is 500V/S, observing the voltage value for breaking down the sleeve, namely the voltage-resistant grade.

The utility model discloses an insulation support not only has good heat preservation, insulation, consolidates the protective properties, can carry out electrical insulation and reinforcement protection to the object that the quilt cover was established, has good extensibility moreover, can be applied to connection such as cable junction, pipe connection widely.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The insulating sleeve is of a hollow tubular structure and is characterized by comprising a braided tube body (1) and an insulating layer (2) coated on the outer circumferential surface of the braided tube body (1), wherein the insulating layer (2) is silica gel; the weaving pipe body (1) is formed by spirally and alternately weaving a plurality of warps (11), a plurality of wefts (12) and a plurality of supporting lines (13) along the extending direction of the insulating sleeve, wherein the warps (11) and the wefts (12) are crossed to form a plurality of interweaving connection points, the supporting lines (13) are arranged between the warps (11) and the wefts (12), each supporting line (13) is in contact with the interweaving connection points in the length direction of the insulating sleeve, the length direction of each supporting line (13) is parallel to the length direction of the insulating sleeve, and included angles are kept between the warps (11) and the wefts (12) and between the supporting lines (13).

2. An insulation bushing according to claim 1, characterized in that the material of the warp (11), weft (12) and support wire (13) is polyester fiber.

3. An insulating sleeve according to claim 1, characterized in that the warp (11) and weft (12) have a twist greater than the twist of the support wire.

4. An insulating sleeve according to claim 1, characterized in that the warp threads (11) and the weft threads cross to form two upper and two lower weave points.

5. Insulating sleeve as claimed in claim 1, characterized in that a plurality of said supporting wires (13) are uniformly distributed circumferentially along the braided tubular body (1).

6. An insulating bushing according to claim 1, characterized in that the spacing between two adjacent supporting wires (13) is larger than 3 mm.

7. Bushing according to claim 1, characterized in that the number of crossing points of the warp threads (11) with a yarn of the braided tubular body (1) over a length of three centimeters in the axial direction of the bushing is greater than or equal to five.

8. Insulating sleeve as claimed in claim 1, characterized in that the outer surface of the braided tubular body (1) has a herringbone texture.