CN214956096U

CN214956096U - Anti-extrusion cable with flame retardant effect

Info

Publication number: CN214956096U
Application number: CN202120906061.XU
Authority: CN
Inventors: 白松涛; 余扬
Original assignee: Kunshan Hanjiang Wire Co ltd
Current assignee: Kunshan Hanjiang Wire Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-11-30
Anticipated expiration: 2031-04-28

Abstract

The utility model relates to the technical field of cables, specifically be an anti extrusion cable with flame retardant efficiency, establish the outside protective rubber cover of sinle silk including six mutual parallel arrangement's sinle silk and cover, the outside of six sinle silks silk and the inboard cover that is located protective rubber cover are equipped with the compressive layer, the transversal regular hexagon of personally submitting of compressive layer, six turnings of surface on compressive layer all with the inner wall contact of protective rubber cover, the inside on compressive layer is equipped with supporting mechanism, supporting mechanism includes a pipe and six backing sheets along sinle silk axial distribution, six backing sheets equipartitions in the periphery wall of pipe, and separate into six installation cavities with the inside on compressive layer, six sinle silks are arranged respectively in six installation cavities. The utility model discloses the outside cover at the sinle silk is equipped with the anti-pressure layer, and the transversal regular hexagon of personally submitting of anti-pressure layer consequently can improve the resistance to compression protective properties of traditional electrical apparatus cable.

Description

Anti-extrusion cable with flame retardant effect

Technical Field

The utility model relates to the technical field of cables, specifically be an anti extrusion cable with flame retardant efficiency.

Background

The cable is a wire which is made of one or more mutually insulated conductors and an outer-coated insulating elastic layer and is used for transmitting power or information from one place to another place, and has the characteristics of internal electrification and external insulation. With the rapid development of social economy in China, important engineering facilities such as subways, airports, railways, tunnels and the like and personnel-intensive occasions such as intelligent districts, large supermarkets, public places and the like are more and more, and the requirements of people on power cables are higher and higher in order to guarantee the life and property safety of people. At present, the cable applied to the field of electrical equipment has the characteristics of simple structure and low transmission voltage, so that the attention degree of people to the electrical cable is not enough in the daily use process. Because the compression-resistant protection performance and the flame retardant performance of the electric appliance cable are insufficient, the cable is easy to have some damage phenomena along with the accumulation of the service time, and even unnecessary safety accidents can be caused in severe cases. To this end, we propose an anti-extrusion cable with flame retardant effect to solve the above drawbacks well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti extrusion cable with flame retardant efficiency for improve the resistance to compression protective properties and the flame retardant property of traditional electrical apparatus cable, reduce the probability that the incident takes place.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an anti-extrusion cable with a flame retardant effect comprises six wire cores arranged in parallel and a protective rubber sleeve sleeved outside the wire cores, wherein a pressure resistant layer is sleeved outside the six wire cores and on the inner side of the protective rubber sleeve, the cross section of the pressure resistant layer is in a regular hexagon shape, six corners on the outer surface of the pressure resistant layer are in contact with the inner wall of the protective rubber sleeve, a supporting mechanism is arranged inside the pressure resistant layer, the supporting mechanism comprises a guide pipe and six supporting pieces which are axially distributed along the wire cores, the six supporting pieces are uniformly distributed on the outer peripheral wall of the guide pipe and divide the inside of the pressure resistant layer into six installation cavities, and the six wire cores are respectively arranged in the six installation cavities;

the outside cover of protection gum cover is equipped with the buffer protection layer, the outside cover of buffer protection layer is equipped with the wearing layer, and leaves the space between buffer protection layer and the wearing layer, and it has fire-retardant granule to fill between the space of the two.

Preferably, the periphery wall equipartition of buffering protective layer has many support archs that distribute along sinle silk axial, support the arch all with the inner wall contact of wearing layer, form the elasticity space between buffering protective layer and the wearing layer.

Preferably, six sides of the surface on anti-pressure layer all are equipped with the location strip that mandrel along the line distributes axially, the internal perisporium of protection gum cover and all be equipped with the stop collar with the corresponding position of location strip, the stop collar is inside sunken arc surface just to one side of location strip, the location strip all laminates with the stop collar that corresponds mutually.

Preferably, the wire core sequentially comprises a conductor, a glass winding layer, an inner insulating layer and an outer insulating layer from inside to outside.

Preferably, the flame-retardant particles are made of ceramic silicon rubber.

Compared with the prior art, the utility model provides an anti extrusion cable with flame retardant efficiency possesses following beneficial effect:

1. the utility model is provided with the pressure-resistant layer outside the wire core, and the cross section of the pressure-resistant layer is regular hexagon, thus improving the pressure-resistant protection performance of the traditional electric appliance cable;

2. the utility model is filled with flame-retardant particles between the buffer protection layer and the wear-resistant layer, which is used for preventing the cable from being blown when the cable is subjected to high temperature, thereby improving the flame-retardant property of the cable;

3. the utility model discloses be provided with many supporting protrusion at the outer wall of buffer protection layer, consequently formed the elasticity space between buffer protection layer and wearing layer, further improved the anti extrusion performance of cable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the structure of the present invention.

In the figure: 1. a wire core; 101. a conductor; 102. a glass wrap layer; 103. an inner insulating layer; 104. an outer insulating layer; 2. a pressure resistant layer; 3. a support mechanism; 4. protecting the rubber sleeve; 5. a buffer protection layer; 6. a wear layer; 7. a support boss; 8. a positioning bar; 9. a limiting sleeve; 10. flame retardant particles.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-2, an anti-extrusion cable with flame retardant effect comprises six wire cores 1 arranged in parallel and a protective rubber sleeve 4 sleeved outside the wire cores 1, wherein the wire cores 1 sequentially comprise a conductor 101, a glass winding layer 102, an inner insulating layer 103 and an outer insulating layer 104 from inside to outside, the conductor 101 is a copper core, the glass winding layer 102 is made of glass fiber, the inner insulating layer 103 and the outer insulating layer 104 are made of PVC, the protective rubber sleeve 4 is made of PE, an anti-extrusion layer 2 is sleeved outside the six wire cores 1 and on the inner side of the protective rubber sleeve 4, the anti-extrusion layer 2 is made of PVC, the cross section of the anti-extrusion layer 2 is in a regular hexagon shape, six corners of the outer surface of the anti-extrusion layer 2 are in contact with the inner wall of the protective rubber sleeve 4, a support mechanism 3 is arranged inside the anti-extrusion layer 2, the support mechanism 3 and the anti-extrusion layer 2 are integrally formed, the support mechanism 3 comprises a guide tube and six support sheets axially distributed along the wire cores 1, six backing sheets are evenly distributed on the peripheral wall of the guide pipe, the included angles of two adjacent backing sheets are the same, the six backing sheets divide the interior of the pressure-resistant layer 2 into six installation cavities, and the six wire cores 1 are respectively arranged in the six installation cavities.

The outside cover of protection gum cover 4 is equipped with buffer protection layer 5, and the outside cover of buffer protection layer 5 is equipped with wearing layer 6, and the two is the insulating rubber material, and leaves the space between buffer protection layer 5 and the wearing layer 6, and it has fire-retardant granule 10 to fill between the space of the two, and fire-retardant granule 10 adopts ceramic silicon rubber material, has high temperature resistant attribute, consequently can strengthen the flame retardant efficiency of cable. A plurality of supporting protrusions 7 distributed along the axial direction of the wire core 1 are uniformly distributed on the outer peripheral wall of the buffering protective layer 5, the supporting protrusions 7 and the buffering protective layer 5 are integrally formed, the supporting protrusions 7 are all in contact with the inner wall of the wear-resistant layer 6, and an elastic space is formed between the buffering protective layer 5 and the wear-resistant layer 6 and used for enhancing the compression resistance of the cable; six sides of surface on anti-pressure layer 2 all are equipped with along sinle silk 1 axial distribution's location strip 8, the internal perisporium of protection gum cover 4 and all be equipped with stop collar 9 with the corresponding position of location strip 8, anti-pressure layer 2 and location strip 8 integrated into one piece, stop collar 9 and protection gum cover 4 integrated into one piece, stop collar 9 is inside sunken arc surface just to one side of location strip 8, location strip 8 all laminates mutually with corresponding stop collar 9, the effect is the position of injecing anti-pressure layer 2, avoid anti-pressure layer 2 to twist reverse in the inside production of protection gum cover 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti extrusion cable with flame retardant efficiency, includes six mutual parallel arrangement's sinle silk (1) and cover and establish at sinle silk (1) outside protection gum cover (4), its characterized in that: the pressure-resistant layer (2) is sleeved outside the six wire cores (1) and on the inner side of the protective rubber sleeve (4), the cross section of the pressure-resistant layer (2) is in a regular hexagon shape, six corners of the outer surface of the pressure-resistant layer (2) are in contact with the inner wall of the protective rubber sleeve (4), a supporting mechanism (3) is arranged inside the pressure-resistant layer (2), the supporting mechanism (3) comprises a guide pipe and six supporting sheets which are axially distributed along the wire cores (1), the six supporting sheets are uniformly distributed on the outer peripheral wall of the guide pipe and divide the inside of the pressure-resistant layer (2) into six installation cavities, and the six wire cores (1) are respectively arranged in the six installation cavities;

the outside cover of protection gum cover (4) is equipped with buffer protection layer (5), the outside cover of buffer protection layer (5) is equipped with wearing layer (6), and leaves the space between buffer protection layer (5) and wearing layer (6), and it has fire-retardant granule (10) to fill between the space of the two.

2. The extrusion-resistant cable having flame retardant effect as claimed in claim 1, wherein: the periphery wall equipartition of buffering protective layer (5) has many support arch (7) along sinle silk (1) axial distribution, support arch (7) all with the inner wall contact of wearing layer (6), form the elasticity space between buffering protective layer (5) and wearing layer (6).

3. The extrusion-resistant cable having flame retardant effect as claimed in claim 1, wherein: six sides of surface on anti-pressure layer (2) all are equipped with along sinle silk (1) axial distribution's location strip (8), the internal perisporium of protection gum cover (4) and all be equipped with stop collar (9) with location strip (8) corresponding position, stop collar (9) just are inside sunken arc surface to the one side of location strip (8), location strip (8) all laminate mutually with corresponding stop collar (9).

4. The extrusion-resistant cable having flame retardant effect as claimed in claim 1, wherein: the cable core (1) comprises a conductor (101), a glass winding layer (102), an inner insulating layer (103) and an outer insulating layer (104) from inside to outside in sequence.

5. The extrusion-resistant cable having flame retardant effect as claimed in claim 1, wherein: the flame-retardant particles (10) are made of ceramic silicon rubber.