CN213877613U

CN213877613U - Twist-resistant and turn-resistant stretch-resistant cable

Info

Publication number: CN213877613U
Application number: CN202022694241.4U
Authority: CN
Inventors: 戴琪; 杨杰; 杨军华
Original assignee: Jiangsu Xinfeng Cable Co ltd
Current assignee: Jiangsu Xinfeng Cable Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-08-03
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a twist-resistant turning stretch-resistant cable, which belongs to the field of electric wires and cables and comprises a cable core, a protective inner sleeve, a filling layer and a cable outer layer, wherein the cable core is arranged between the protective inner sleeve which is arranged inside the cable outer layer, the filling layer is arranged between the protective inner sleeve and the cable outer layer, a stretch-resistant rope is arranged between the filling layers, the cable outer layer comprises a protective outer layer, a metal protective layer, an isolation layer and a protective inner layer, the isolation layer is extruded outside the protective inner layer, the metal protective layer is sheathed outside the isolation layer, and the metal protective layer outer layer is provided with a protective outer layer; the utility model discloses not only make the cable can bear stronger pulling force, improved the tensile strength of cable, still increased the performance of cable compressive resistance for the cable ensures the cable core throughout and bears less power at the winding in-process, guarantees the stable safety of cable core.

Description

Twist-resistant and turn-resistant stretch-resistant cable

The technical field is as follows:

the utility model relates to a wire and cable field, concretely relates to stretch-proofing cable of resistant turning.

Background art:

cables are characterized by internal electrical conduction and external insulation, and are generally rope-like cables formed by stranding several or several groups of conductors, each group being insulated from the other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. Cables are very versatile and are also the primary form of power transmission and signal transmission. The cable needs to be bent and stretched frequently in the use process, and the problems of cable skin cracking, cable core disconnection and the like exist in the bending and stretching process of the existing cable. Therefore, the utility model provides a to solve the not enough and shortcoming that prior art exists.

The utility model has the following contents:

the utility model aims at overcoming the shortcomings of the prior art and providing a twist-resistant and anti-stretching cable.

The utility model adopts the technical proposal that:

the utility model provides a resistant turn stretch-proofing cable that turns round, includes cable core, protection endotheca, filling layer and cable skin, the cable core sets up between the protection endotheca, the protection endotheca sets up inside the cable skin, the protection endotheca with be equipped with between the cable skin the filling layer is located be equipped with the stretch-proofing rope between the filling layer, the cable skin is including protection skin, metal protection layer, isolation layer and protection inlayer, the outside crowded package of protection inlayer is equipped with the one deck the isolation layer, the outside armor one deck of isolation layer the metal protection layer, the metal protection layer skin is equipped with the one deck the protection skin.

Preferably, the cable core comprises a cable core outer layer, a cable core inner layer and a metal conductor, the outer layer of the metal conductor is wrapped with the cable core inner layer, and the outer portion of the cable core inner layer is wrapped with the cable core outer layer.

Preferably, the cable core outer layer and the cable core inner layer are both crosslinked polyethylene layers.

Preferably, the metal protective layer is a metal copper mesh.

Preferably, the protective outer layer and the protective inner layer are polyurethane layers.

Preferably, the isolation layer is a polyvinyl chloride layer.

Preferably, the protective inner sleeve is H-shaped, and the cable cores are respectively arranged on two sides inside the protective inner sleeve.

The utility model has the advantages that: the utility model discloses a protection to the cable core has effectively been accomplished through the setting of protection endotheca, filling layer and cable skin, not only makes the cable bear stronger pulling force, has improved the tensile strength of cable, the utility model discloses the setting of protection endotheca is still showing the performance that has increased the cable compressive resistance, makes the cable guarantee the cable core all the time and bears less power in the process of winding, guarantees the stable safety of cable core; the utility model discloses a layer structure is showing strengthens the tensile strength and the resistant bending property of cable, simple structure for the cable has the practicality of showing.

Description of the drawings:

FIG. 1: the utility model discloses a three-dimensional structure schematic diagram.

FIG. 2: the utility model discloses a local cross-sectional view.

FIG. 3: the cross-sectional view of the utility model.

In the figure: 001. the cable comprises a cable core, 101, a cable core outer layer, 102, a cable core inner layer, 103, a metal conductor, 002, a protective inner sleeve, 003, a filling layer, 004, a cable outer layer, 401, a protective outer layer, 402, a metal protective layer, 403, an isolation layer, 404, a protective inner layer, 005 and a tensile rope.

The specific implementation mode is as follows:

the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1-3, a twist-resistant anti-stretching cable that turns, including cable core 001, protection endotheca 002, filling layer 003 and outer 004 of cable, cable core 001 sets up between protection endotheca 002, protection endotheca 002 sets up inside outer 004 of cable, be equipped with filling layer 003 between protection endotheca 002 and outer 004 of cable, it is equipped with stretch-proofing rope 005 to be located between filling layer 003, outer 004 of cable includes protection outer 401, metal protection layer 402, isolation layer 403 and protection inner 404, the outside of protection inner 404 is crowded package and is equipped with one deck isolation layer 403, the outside armor of isolation layer 403 is one deck metal protection layer 402, metal protection layer 402 is the outer layer that is equipped with one deck protection layer 401.

The further optimization of the scheme is set as follows: as shown in fig. 1 to 3, the cable core 001 includes a core outer layer 101, a core inner layer 102 and a metal conductor 103, the core inner layer 102 is wrapped around the outer layer of the metal conductor 103, and the core outer layer 101 is wrapped around the core inner layer 102.

The further optimization of the scheme is set as follows: as shown in fig. 1-3, the outer layer 101 of the cable core and the inner layer 102 of the cable core are both crosslinked polyethylene layers, and the crosslinked polyethylene has good insulating property and bending resistance, so that the outer layer 101 of the cable core can be bent without the problems of skin fraying and the like of the outer layer 101 of the cable core in the bending process.

The further optimization of the scheme is set as follows: as shown in fig. 1 to 3, the metal protective layer 402 is a metal copper mesh, and the metal copper mesh forms a skeleton structure of the cable, so that the compression resistance and the tensile resistance of the cable are improved, and the safety of the cable core 001 of the cable is ensured.

The further optimization of the scheme is set as follows: as shown in fig. 1-3, the protective outer layer 401 and the protective inner layer 404 are polyurethane layers, and the polyurethane layers have excellent weather resistance, flame resistance and bending resistance, so as to provide a stable internal environment for the cable core 001.

The further optimization of the scheme is set as follows: as shown in fig. 1-3, the barrier layer 403 is a polyvinyl chloride layer that separates an outer metallic armor layer 402 from a protective inner layer 404 disposed therein.

The further optimization of the scheme is set as follows: as shown in fig. 1-3, the inner protective sleeve 002 is H-shaped, the cable core 001 is disposed on two sides of the inner protective sleeve 002, and the H-shaped inner protective sleeve 002 can buffer vertical and horizontal forces, so that the cable core 001 bears the minimum external force on the inner protective sleeve 002, and the safety of the cable core 001 is ensured.

The utility model discloses an application principle does: the outer 004 layer of the cable comprises an outer 401 protective layer, a metal protective layer 402, an isolation layer 403 and an inner 404 protective layer, the outer 401 protective layer is the outermost layer of the cable, the outer 401 protective layer is a polyurethane layer, the polyurethane layer has excellent weather resistance, flame resistance and bending resistance, a stable internal environment is provided for the cable core 001, the metal protective layer 402 forms a skeleton structure of the cable, the compression resistance and tensile resistance of the cable are improved, the safety of the cable core 001 is ensured, the isolation layer 403 separates the metal protective layer 402 from the inner 404 protective layer, and the inner 404 protective layer ensures the safety and stability of the cable core 001; the H-shaped protective inner sleeve 002 can buffer forces in two directions, namely, the vertical direction and the horizontal direction, so that the cable core 001 bears the minimum external force in the protective inner sleeve 002, the safety of the cable core 001 is ensured, and the tensile resistance of the tensile rope 005 is improved between the filling layers 003.

In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A twist-resistant turn stretch-resistant cable is characterized in that: including cable core (001), protection endotheca (002), filling layer (003) and cable skin (004), cable core (001) sets up between protection endotheca (002), protection endotheca (002) sets up inside cable skin (004), protection endotheca (002) with be equipped with between cable skin (004) filling layer (003) are located be equipped with stretch-proofing rope (005) between filling layer (003), cable skin (004) is including protection skin (401), metal protection layer (402), isolation layer (403) and protection inner layer (404), the outside crowded package of protection inner layer (404) is equipped with the one deck isolation layer (403), isolation layer (403) outside armor one deck metal protection layer (402), metal protection layer (402) outer is equipped with the one deck protection skin (401).

2. The twist-resistant, turn stretch-resistant cable of claim 1, wherein: the cable core (001) comprises a core outer layer (101), a core inner layer (102) and a metal conductor (103), the core inner layer (102) is wrapped by the outer layer of the metal conductor (103), and the core outer layer (101) is wrapped by the outer layer of the core inner layer (102).

3. The twist-resistant, turn stretch-resistant cable of claim 2, wherein: the cable core outer layer (101) and the cable core inner layer (102) are both cross-linked polyethylene layers.

4. The twist-resistant, turn stretch-resistant cable of claim 1, wherein: the metal protective layer (402) is a metal copper net.

5. The twist-resistant, turn stretch-resistant cable of claim 1, wherein: the protective outer layer (401) and the protective inner layer (404) are polyurethane layers.

6. The twist-resistant, turn stretch-resistant cable of claim 1, wherein: the isolation layer (403) is a polyvinyl chloride layer.

7. The twist-resistant, turn stretch-resistant cable of claim 1, wherein: the protective inner sleeve (002) is H-shaped, and the cable core (001) is arranged on two sides inside the protective inner sleeve (002).