CN210182164U

CN210182164U - Vertical pultrusion type core rod

Info

Publication number: CN210182164U
Application number: CN201921383455.0U
Authority: CN
Inventors: Chaofeng Chen; 陈超烽; Zejun Zhang; 章泽军; Wujie Chen; 陈悟捷
Original assignee: Zhejiang Kecheng Electric Co Ltd
Current assignee: Zhejiang Kecheng Electric Co Ltd
Priority date: 2019-08-24
Filing date: 2019-08-24
Publication date: 2020-03-24
Anticipated expiration: 2029-08-24

Abstract

The embodiment of the utility model provides a perpendicular pultrusion plug belongs to insulator plug technical field, perpendicular pultrusion plug includes: an inner core, the inner core comprising: the glass fiber is provided with a plurality of glass fibers, and the plurality of glass fibers are arranged in parallel; the glue part is positioned on the glass fibers, and the plurality of glass fibers are integrated into a whole through the glue part; the outer layer body is wrapped outside the inner core; the outer layer body is provided with a fracture relative to the inner core, and the outer layer body is clamped on the inner core through the fracture. The technical effect of producing the large-diameter core rod by a pultrusion type forming mode is achieved.

Description

Vertical pultrusion type core rod

Technical Field

The utility model relates to an insulator plug technical field especially relates to a perpendicular pultrusion formula plug.

Background

Most of the existing insulator core rods adopt a pultrusion processing mode, a single glass fiber is soaked in glue, then the glue is bundled and extruded together to form an integral core rod prefabricated member, and then the produced core rod prefabricated member is dried and processed into the core rod.

However, the diameter of the core rod manufactured by the method is small, the core rod with a large diameter cannot be manufactured, if the core rod with the large diameter is manufactured by the method, a plurality of layers of glass fibers are needed to be subjected to composite forming, and the produced core rod is easy to crack locally by only a glue dipping adhesion method, so that the produced core rod is unqualified.

Therefore, the technical problems of the prior art are as follows: the diameter of the pultrusion core rod is small, and the large-diameter core rod cannot be produced.

Disclosure of Invention

The embodiment of the application provides a vertical pultrusion type core rod, and solves the technical problems that the diameter size of the pultrusion type core rod is small and a large-diameter core rod cannot be produced in the prior art; the technical effect of producing the large-diameter core rod by a pultrusion type forming mode is achieved.

The embodiment of the application provides a perpendicular pultrusion type plug, perpendicular pultrusion type plug includes: an inner core, the inner core comprising: the glass fiber is provided with a plurality of glass fibers, and the plurality of glass fibers are arranged in parallel; the glue part is positioned on the glass fibers, and the plurality of glass fibers are integrated into a whole through the glue part; the outer layer body is wrapped outside the inner core; the outer layer body is provided with a fracture relative to the inner core, and the outer layer body is clamped on the inner core through the fracture.

Preferably, the glass fibers in the inner core are arranged in a layer-by-layer surrounding manner.

Preferably, the outer layer body is provided with protrusions on the inner side, and the protrusions are located in gaps between adjacent glass fibers.

Preferably, the bulges and the outer layer body are integrated, and the bulges are provided with a plurality of strips which are distributed at equal intervals on the circumference.

Preferably, the discontinuity is located between two adjacent projections.

Preferably, the fracture is an inclined plane.

One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:

1. in the embodiment of the application, the glass fiber bundle is soaked in glue by using a pultrusion production mode to form the inner core, then the outer layer body is clamped and coated on the inner core through the fracture, and then the fracture of the outer layer body is gradually folded under the action of extrusion equipment to achieve the purpose that the outer layer body coats the inner core, so that the inner core cannot be locally split; the technical problems that the diameter size of the core rod formed by pultrusion in the prior art is small and the large-diameter core rod cannot be produced are solved; the technical effect of producing the large-diameter core rod by a pultrusion type forming mode is achieved.

2. In the embodiment of the application, the inner core and the outer layer body are fixed stably by arranging the bulges, and the outer layer body does not slip relative to the inner core; and the outer layer body can easily form a complete ring shape with reliable connection under the action of glue through the inclined fracture.

Drawings

FIG. 1 is a schematic diagram of a vertically pultruded mandrel according to an embodiment of the present application;

FIG. 2 is a diagram of a process for producing a vertically pultruded core rod according to an embodiment of the present application;

FIG. 3 is a schematic structural view of an outer layer body covering an inner core according to an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of a vertically pultruded core rod according to an embodiment of the present application;

FIG. 5 is a schematic diagram of a vertically pultruded mandrel according to another embodiment of the present application;

fig. 6 is an enlarged view of a portion a in fig. 5.

Reference numerals: 1. glass fibers; 2. a glue part; 3. an outer layer body; 31. breaking off; 32. a protrusion; 4. a sealing part.

Detailed Description

The embodiment of the application provides a vertical pultrusion type core rod, which is characterized in that a glass fiber 1 bundle is soaked in glue by utilizing a pultrusion type production mode to form an inner core, then an outer layer body 3 is clamped and coated on the inner core through a fracture 31, and then the fracture 31 of the outer layer body 3 is gradually folded under the action of extrusion equipment to achieve the purpose that the outer layer body 3 coats the inner core, so that the inner core cannot be locally split; the technical problems that the diameter size of the core rod formed by pultrusion in the prior art is small and the large-diameter core rod cannot be produced are solved; the technical effect of producing the large-diameter core rod by a pultrusion type forming mode is achieved.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Example one

A vertically pultruded core rod, comprising: inner core and outer layer body 3 through the mode of outer layer body 3 cladding inner core for the inner core can be produced thicker, then guarantees the wholeness of inner core through outer layer body 3, avoids the split.

An inner core, the inner core comprising: glass fibers 1 and glue portions 2. The glass fiber 1 is provided with a plurality of glass fibers 1 which are parallel and are arranged in a surrounding way layer by layer; the glue part 2, the glue part 2 adhesion is in the outside of glass fiber 1, utilizes the glue part 2 to make and connect between the glass fiber 1, and fills the space between the glass fiber 1 to make a plurality of glass fiber 1 set as an organic whole through the glue part 2.

The outer layer body 3 is a glass fiber 1 prefabricated part, and the inner cavity is expanded before the inner core is coated so as to be coated on the inner core conveniently; the outer layer body 3 is provided with a fracture 31 having an inclined surface shape with respect to the inner core, and the outer layer body 3 is engaged with the inner core through the fracture 31.

Specifically, the inner side of the outer layer body 3 is provided with a bulge 32, two sides of the bulge 32 are concave cambered surfaces, and the bulge 32 is provided with a plurality of bulges which are distributed at equal intervals on the circumference; wherein the protrusions 32 and the outer layer body 3 are integrated, and the protrusions 32 are positioned in the gaps between the adjacent glass fibers 1. In order to facilitate rapid and stable closure of the two sides of the fracture 31 of the outer layer body 3, the fracture 31 is preferably located between two adjacent protrusions 32, so that the outer layer body 3 has strong wrapping strength on the inner core.

Specifically, in order to ensure the sealing property of the fracture 31, a cavity may be provided outside the fracture 31, and then the cavity may be filled with glass fiber glue to form the sealing portion 4, so as to enhance the connection strength of the fracture and achieve stable sealing of the annular structure of the outer layer body 3.

The working principle is as follows:

the core rod is characterized in that the glass fiber 1 bundle is soaked in glue by a pultrusion production mode to form an inner core, then the outer layer body 3 is clamped and coated on the inner core through the fracture 31, and then the fracture 31 of the outer layer body 3 is gradually folded under the action of extrusion equipment, so that the outer layer body 3 coats the inner core, the inner core cannot be locally split, and the core rod with a large diameter is produced.

The technical effects are as follows:

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A vertically pultruded mandrel, comprising:

an inner core, the inner core comprising:

the glass fiber is provided with a plurality of glass fibers, and the plurality of glass fibers are arranged in parallel;

the glue part is positioned on the glass fibers, and the plurality of glass fibers are integrated into a whole through the glue part;

the outer layer body is wrapped outside the inner core;

the outer layer body is provided with a fracture relative to the inner core, and the outer layer body is clamped on the inner core through the fracture.

2. The vertically pultruded core rod of claim 1, wherein the glass fibers in the inner core are arranged in a layer-by-layer circumferential arrangement.

3. The vertically pultruded mandrel of claim 1, wherein the inner side of the outer layer body is provided with protrusions, and the protrusions are located in the interstices between adjacent glass fibers.

4. The vertically pultruded mandrel of claim 3, wherein the protrusions are integral with the outer body, and wherein the protrusions are provided in a plurality of circumferentially equally spaced rows.

5. The vertically pultruded mandrel of claim 4, wherein the discontinuity is located between two adjacent projections.

6. The vertically pultruded mandrel of any of claims 1 to 5, wherein said discontinuity is an inclined surface.