CN217982881U

CN217982881U - Tensile connecting wire harness

Info

Publication number: CN217982881U
Application number: CN202222025533.8U
Authority: CN
Inventors: 吴文科; 唐开虎
Original assignee: Meizhou Daxton Precision Industry Co ltd
Current assignee: Meizhou Daxton Precision Industry Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-06
Anticipated expiration: 2032-08-03

Abstract

The utility model belongs to the technical field of tensile type wiring harness, a tensile type connecting wire harness is disclosed, including outer protective layer, the internal surface of outer protective layer bonds there is the tensile layer, the inside of tensile layer is provided with the shape variable chamber, the inside of outer protective layer is provided with the strengthening rib, the surface of outer protective layer has seted up the arc wall, the internal surface of tensile layer is provided with the band layer, the internal surface of band layer is provided with the fire prevention mud layer, the internal surface of fire prevention mud layer is provided with the mica tape layer, the internal surface of mica tape layer is provided with the insulating layer, the inside of insulating layer is provided with the sinle silk; the cooperation through above structure can improve the bending resistance and the tensile resistance that the user drew this pencil, improves life.

Description

Tensile connecting wire harness

Technical Field

The utility model belongs to the technical field of tensile molded lines restraints, specifically be a tensile type connecting harness.

Background

With the rapid development of the electronic industry, the traditional wire harness process cannot meet the current consumption requirements, the use frequency of the wire harness is increased day by day, the applied equipment type is today compared with the equipment type, the field is expanded with the generation and use range of the newly invented equipment, and the wire harness is rapidly expanded and is indicated by a relevant reliability authority data table. The pencil that average everyone will use every day is minimum 20 times, this data is constantly refreshing also, can use the pencil more than 3 years in the past, can only be used now and fill 1 year or half a year, or life is shorter, and 90% pencil can not carry out normal work reason is that pencil bending resistance performance itself is not strong, the consumer is when using the pencil, pencil itself all can be buckled very naturally, this using-way is very big to the damage of the inside heart yearn of pencil, and the pencil is because often put in daily use, the friction to the production of the line body of pencil itself is great, and the rubber that ordinary pencil surface commonly used set up can not be fine play wear-resisting effect, cause the condition such as electric wire exposure easily.

Simultaneously, prior art's insulating layer surface sets up to glossy curved surface usually, also has in the prior art through set up the knitting in insulating layer surface in order to improve tensile strength, however glossy surface does not do benefit to the fixed of knitting, and market causes the phenomenon that the knitting drops or the fold. Therefore, a wire harness having both superior tensile and bending resistance becomes a practical market ball.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to improve the bending resistance and tensile resistance of a user pulling the wire harness and prolong the service life, the tensile type connecting wire harness is provided.

The utility model adopts the technical scheme as follows:

the utility model provides a tensile type connecting wire harness, includes the outer protective layer, the internal surface of outer protective layer bonds and has the tensile layer, the inside on tensile layer is provided with the shape chamber that becomes, the inside of outer protective layer is provided with the strengthening rib, the arc wall has been seted up to the surface of outer protective layer, the internal surface on tensile layer is provided with the band layer, the internal surface on band layer is provided with the fire prevention mud layer, the internal surface on fire prevention mud layer is provided with mica tape layer, mica tape layer's internal surface is provided with the insulating layer, the inside of insulating layer is provided with the sinle silk.

Through adopting above-mentioned technical scheme, when the user takes place to bend dragging this pencil, the deformation chamber on the rubber material tensile layer can provide the space for the deformation of tensile layer, and the arc wall also can provide the space for bending of outer protective layer simultaneously, and the strengthening rib has certain hardness, can prevent to bend when the pencil excessively drags and cause the damage, can improve the user through the cooperation of above structure and drag anti-bending nature and the pull resistance of this pencil, improves life.

Optionally, the number of the deformation cavity and the arc-shaped groove is a plurality, and the deformation cavity and the arc-shaped groove are all arranged in an annular shape.

Through adopting above-mentioned technical scheme, the deformation chamber can provide the space for the deformation of tensile layer, and the arc wall also can provide the space for bending of outer protective layer simultaneously.

Optionally, the number of the reinforcing ribs is a plurality, and the length of the reinforcing ribs is consistent with that of the outer protective layer.

Through adopting above-mentioned technical scheme, the strengthening rib has certain hardness, can prevent to bend when pencil excessively drags and cause the damage.

Optionally, the thickness of the belting layer is 1mm-1.5mm, the thickness of the fireproof mud layer is 1mm-2mm, and the thickness of the mica belting layer is 0.8mm-1.7mm.

Through adopting above-mentioned technical scheme, when this pencil met outside high temperature, mica tape layer had good high temperature resistance and combustion resistance, and the fire endurance on fire prevention mud layer is also higher, can reduce insulating layer and sinle silk and receive from outside high temperature influence, and the band layer can expand rapidly when contact flame and form the carbomorphism body, prevents that flame from igniting to insulating layer inside, can carry out multiple fire-retardant protection to the pencil through the cooperation of above structure, improves the flame retardant efficiency of pencil.

Optionally, the tensile layer is a rubber tensile layer, and the thickness of the tensile layer is 2mm-3mm.

Through adopting above-mentioned technical scheme, the deformation chamber on the rubber material tensile layer can provide the space for the deformation of tensile layer.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, when the user took place to bend dragging this pencil, the deformation chamber on the rubber material tensile layer can provide the space for the deformation of tensile layer, and the arc wall also can provide the space for bending of outer protective layer simultaneously, and the strengthening rib has certain hardness, can prevent to bend when the pencil excessively drags and cause the damage, can improve the anti-bending nature and the pull resistance that the user dragged this pencil through the cooperation of above structure, improves life.

2. The utility model discloses in, when this pencil met outside high temperature, mica tape layer had good high temperature resistance ability and combustion resistance ability, and the fire endurance on fireproof mud layer is also higher, can reduce insulating layer and sinle silk and receive and come from outside high temperature influence, and the band layer can expand rapidly when contact flame and form the carbomorphism body, prevents that flame from igniting to insulating layer inside, can carry out multiple flame retardant protection to the pencil through the cooperation of above structure, improves the flame retardant efficiency of pencil.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention;

fig. 3 is a cross-sectional view of the utility model discloses band layer, fire prevention mud layer, mica tape layer, insulating layer and sinle silk.

The labels in the figure are: 1-outer protective layer, 2-tensile layer, 3-reinforcing rib, 4-deformation cavity, 5-arc groove, 6-belting layer, 7-fire-proof mud layer, 8-mica belting layer, 9-insulating layer and 10-wire core.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

A tensile-type connecting wire harness according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Example (b):

the embodiment of the application discloses tensile type connecting wire harness. Referring to fig. 1, a tensile connecting wire harness includes an outer protective layer 1, a tensile layer 2 is bonded on an inner surface of the outer protective layer 1, the tensile layer 2 is a rubber tensile layer, the thickness of the tensile layer 2 is 2mm-3mm, a deformation cavity 4 is arranged inside the tensile layer 2, and the deformation cavity 4 on the rubber tensile layer 2 can provide a space for deformation of the tensile layer 2; the reinforcing ribs 3 are arranged inside the outer protection layer 1, the number of the reinforcing ribs 3 is a plurality, the length of each reinforcing rib 3 is consistent with that of the outer protection layer 1, and the reinforcing ribs 3 have certain hardness, so that damage caused by bending when a wire harness is excessively pulled can be prevented; the outer surface of the outer protection layer 1 is provided with an arc-shaped groove 5, and the arc-shaped groove 5 can also provide a space for bending the outer protection layer 1; the quantity that becomes chamber 4 and arc wall 5 all is a plurality of, and a plurality of deformation chamber 4 and arc wall 5 all are cyclic annular setting, and the cooperation through above structure can improve the user and drag the bending resistance and the tensile nature of this pencil, improves life.

Referring to fig. 1-3, the inner surface of the tensile layer 2 is provided with a belting layer 6, the thickness of the belting layer 6 is 1mm-1.5mm, and the belting layer 6 can rapidly expand to form a carbonized body when contacting with flame; the inner surface of the belting layer 6 is provided with a fireproof mud layer 7, the thickness of the fireproof mud layer 7 is 1mm-2mm, and the fireproof limit of the fireproof mud layer 7 is higher; the inner surface of the fireproof mud layer 7 is provided with a mica tape layer 8, the thickness of the mica tape layer 8 is 0.8mm-1.7mm, and the mica tape layer 8 has excellent high temperature resistance and combustion resistance; an insulating layer 9 is arranged on the inner surface of the mica tape layer 8, and a wire core 10 is arranged inside the insulating layer 9; when this pencil meets outside high temperature, the cooperation of above structure can reduce insulating layer 9 and sinle silk 10 and receive from outside high temperature influence, prevents that flame from igniting to insulating layer 9 inside, realizes carrying out multiple fire-retardant protection to the pencil, improves the flame retardant efficiency of pencil.

The implementation principle of a tensile type connecting wire harness of the embodiment of the application is as follows:

when the user is dragging this pencil and takes place to bend, deformation chamber 4 on the rubber material tensile layer 2 can provide the space for tensile layer 2's deformation, and arc wall 5 also can provide the space for bending of outer protective layer 1 simultaneously, and strengthening rib 3 has certain hardness, can prevent to bend when the pencil excessively pulls and cause the damage, can improve the user through the cooperation of above structure and drag anti-bending nature and the pull resistance of this pencil, improves life.

On the other hand, when this pencil met outside high temperature, mica tape layer 8 had good high temperature resistance and fire resistance, and the fire clay layer 7's fire endurance is also higher, can reduce insulating layer 9 and sinle silk 10 and receive from outside high temperature influence, and band layer 6 can expand rapidly when contact flame and form the carbomorphism body, prevents that flame from igniting to insulating layer 9 inside, can carry out multiple fire-retardant protection to the pencil through the cooperation of above structure, improves the flame retardant efficiency of pencil.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A tensile-type connecting wire harness includes an outer protective layer (1), characterized in that: the utility model discloses a fireproof coating, including outer protective layer (1), inner surface bonding has tensile layer (2), the inside of tensile layer (2) is provided with becomes chamber (4), the inside of outer protective layer (1) is provided with strengthening rib (3), arc wall (5) have been seted up to the surface of outer protective layer (1), the inner surface of tensile layer (2) is provided with band layer (6), the inner surface of band layer (6) is provided with fire prevention mud layer (7), the inner surface of fire prevention mud layer (7) is provided with mica tape layer (8), the inner surface of mica tape layer (8) is provided with insulating layer (9), the inside of insulating layer (9) is provided with sinle silk (10).

2. A tension-resistant connecting harness as claimed in claim 1, wherein: the number of the deformation cavity (4) and the arc-shaped grooves (5) is a plurality, and the deformation cavity (4) and the arc-shaped grooves (5) are arranged in an annular mode.

3. A tension-resistant connecting harness as claimed in claim 1, wherein: the number of the reinforcing ribs (3) is a plurality, and the length of the reinforcing ribs (3) is consistent with that of the outer protection layer (1).

4. A tension-resistant connecting harness as claimed in claim 1, wherein: the thickness of the belting layer (6) is 1mm-1.5mm, the thickness of the fireproof mud layer (7) is 1mm-2mm, and the thickness of the mica belting layer (8) is 0.8mm-1.7mm.

5. A tension-resistant connecting harness as claimed in claim 1, wherein: the tensile layer (2) is a rubber tensile layer, and the thickness of the tensile layer (2) is 2mm-3mm.