CN213151606U - Pre-twisted top binding wire structure - Google Patents

Abstract

The utility model provides a preformed helical top wiring structure, including insulated conductor and insulator, will through wiring structure insulated conductor fixes in the draw-in groove at insulator top, draw-in groove bottom one side is equipped with wiring mounting groove, wiring structure includes two wiring, two wiring middle part both sides fixed connection makes its middle part form the ring cover, ring cover accordant connection wiring mounting groove, the ring cover both sides two wiring spiral cross winding are in on the insulated conductor. The utility model discloses simple structure through which connection of returning to between tying up the line with two, forms the ring cover at the middle part and is connected with the wiring mounting groove at insulator top, will tie up line case insulator both sides winding extension again, makes the wiring atress even, increases the stability fixed to the insulator.

Description

Pre-twisted top binding wire structure

Technical Field

The utility model mainly relates to a bind line technical field, concretely relates to preformed helical top binding wire structure.

Background

At present, the traditional fixing method is used for fixing an insulated wire on an insulator on a tower in an overhead line, the wire is placed in a top groove of the insulator, and then the wire and the insulator are repeatedly wound by using a binding wire to fix the wire on the insulator.

The fixed two top wiring structures of PVC of using of wire as that patent number 201822255267.1 provides, this wiring structure uses a wiring, and its pot head is established at the insulator top, and the other end extends the winding to the other end of insulated wire, and this kind of wiring structure atress is uneven for fixed effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

Problem solved by utility model

The utility model provides a preformed helical top wiring structure for solve current wiring structure atress inequality, make the relatively poor technical problem of fixed effect.

Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does: the utility model provides a preformed helical top wiring structure, will through wiring structure insulating wire fixes in the draw-in groove at insulator top, draw-in groove bottom one side is equipped with wiring mounting groove, wiring structure includes two wiring, two wiring middle part both sides fixed connection makes its middle part form the ring cover, ring cover accordant connection wiring mounting groove, the ring cover both sides two wiring spiral cross winding be in on the insulating wire.

Furthermore, a sheath is arranged at the winding contact position of the binding wire and the insulated conducting wire, and the sheath is sleeved on the insulated conducting wire.

Further, the inside metal braid over braid that includes of line structure, the metal braid over braid outside is equipped with first elastic layer, the first elastic layer outside is equipped with the insulating layer, the insulating layer outside is equipped with the second elastic layer, the second elastic layer outside is equipped with the abrasionproof layer.

Furthermore, a first horizontal section is arranged on the contact surface of the bottom of the binding wire and the insulated conducting wire 1.

Furthermore, a second horizontal section is arranged at the contact position of the ring sleeve and the binding wire mounting groove and comprises the bottom surface and the side surface of the ring sleeve.

Furthermore, on one side far away from the ring sleeve, a fixing wire is arranged at the end part of the binding wire and is connected with a fixing groove at the end part of the binding wire in a matching manner.

Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model discloses simple structure through which connection of returning to between tying up the line with two, forms the ring cover at the middle part and is connected with the wiring mounting groove at insulator top, will tie up line case insulator both sides winding extension again, makes the wiring atress even, increases the stability fixed to the insulator.

Drawings

Fig. 1 is a plan view of the present invention in use;

FIG. 2 is a schematic view of the binding wire structure of the present invention;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is an enlarged schematic view of the area a of fig. 1 in the present invention;

fig. 5 is an enlarged schematic view of the area B of fig. 2 according to the present invention.

Reference numerals

1-an insulated wire; 2-an insulator; 21-binding wire mounting groove; 3-binding wire structure; 31-binding wires; 32-ring sleeve; 321-horizontal section I; 322-a fixation groove; 33-metal braided bands; 34-a first elastic layer; 35-an insulating layer; 36-a second elastic layer; 37-wear layer; 4-a sheath; 5-fixing the thread.

Detailed Description

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but which are provided so as to render the disclosure of the invention more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Examples

Referring to the attached drawings 1-5, the pre-twisted top binding wire structure comprises an insulated conducting wire 1 and an insulator 2, the insulated conducting wire 1 is fixed in a clamping groove at the top of the insulator 2 through a binding wire structure 3, a binding wire mounting groove 21 is formed in one side of the bottom of the clamping groove, the binding wire structure 3 comprises two binding wires 31, two sides of the middle of each binding wire 31 are fixedly connected, a ring sleeve 32 is formed in the middle of each binding wire 31, the ring sleeve 32 is connected with the binding wire mounting groove 21 in a matching mode, and the two binding wires 31 on two sides of the ring sleeve 32 are spirally and crossly wound on the insulated conducting wire 1.

And a sheath 4 is arranged at the winding contact position of the binding wire 31 and the insulated conducting wire 1, and the sheath 4 is sleeved on the insulated conducting wire 1.

The inside metal braid over braid 33 that includes of wiring structure 3, the metal braid over braid 33 outside is equipped with first elastic layer 34, the first elastic layer 34 outside is equipped with insulating layer 35, the insulating layer 35 outside is equipped with second elastic layer 36, the second elastic layer 36 outside is equipped with abrasionproof layer 37.

In this embodiment, the first elastic layer 34 and the second elastic layer 36 may be made of SBS material, POE material or other materials with elasticity, and the metal braid 33 may be woven by steel wire or aluminum wire, so that the product performance is superior, the design is reasonable, and the strength of the binding wire is increased.

The contact surface of the bottom of the binding wire 31 and the insulated conductor 1 is provided with a horizontal tangent plane I321, the contact surface between the binding wire and the insulated conductor 1 can be enlarged by utilizing the horizontal tangent plane I321, and the stability is increased

The contact position of the ring sleeve 32 and the binding-wire mounting groove 21 is provided with a horizontal section II which comprises a bottom surface and a side surface, and the contact area of the ring sleeve 32 and the binding-wire mounting groove 241 is increased.

On the side far away from the loop 32, the end of the binding-wire 31 is provided with a fixing wire 5, the fixing wire 5 is matched and connected with the fixing groove 322 on the end of the binding-wire 31, and the end of the binding-wire 31 is fixed by the fixing wire 5.

To sum up, the utility model discloses simple structure through which connection of returning to between tying up the line with two, forms ring cover and is connected with insulator top draw-in groove at the middle part, will tie up line case insulator both sides winding extension again, makes the line atress of tying up even, increases the stability fixed to the insulator.

The above-mentioned embodiments only express a certain implementation manner of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention; therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (6)

1. Wire structure is tied up at preformed helical top, including insulated wire (1) and insulator (2), its characterized in that: it will to fix through wiring structure (3) insulating wire (1) in the draw-in groove at insulator (2) top, draw-in groove bottom one side is equipped with wiring mounting groove (21), wiring structure (3) include two wiring (31), two wiring (31) middle part both sides fixed connection makes its middle part form ring cover (32), ring cover (32) accordant connection wiring mounting groove (21), ring cover (32) both sides two wiring (31) spiral cross winding are in on insulating wire (1).

2. The pre-twisted top binding-wire structure according to claim 1, wherein: the winding contact part of the binding wire (31) and the insulated conducting wire (1) is provided with a sheath (4), and the sheath (4) is sleeved on the insulated conducting wire (1).

3. The pre-twisted top binding-wire structure according to claim 1, wherein: bind inside metal braid over braid (33) of including of line structure (3), metal braid over braid (33) outside is equipped with first elastic layer (34), first elastic layer (34) outside is equipped with insulating layer (35), insulating layer (35) outside is equipped with second elastic layer (36), second elastic layer (36) outside is equipped with abrasionproof layer (37).

4. The pre-twisted top binding-wire structure according to claim 2, wherein: the contact surface of the bottom of the binding wire (31) and the insulated conducting wire (1) is provided with a first horizontal section (321).

5. The pre-twisted top binding-wire structure according to claim 1, wherein: the contact part of the ring sleeve (32) and the binding wire mounting groove (21) is also provided with a horizontal tangent plane.

6. The pre-twisted top binding-wire structure according to claim 2, wherein: on one side far away from the ring sleeve (32), the end part of the binding wire (31) is provided with a fixing wire (5), and the fixing wire (5) is connected with a fixing groove (322) at the end part of the binding wire (31) in a matching way.

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