CN219891939U - Flame-retardant PVC sheath material - Google Patents

Flame-retardant PVC sheath material Download PDF

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Publication number
CN219891939U
CN219891939U CN202321113973.7U CN202321113973U CN219891939U CN 219891939 U CN219891939 U CN 219891939U CN 202321113973 U CN202321113973 U CN 202321113973U CN 219891939 U CN219891939 U CN 219891939U
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CN
China
Prior art keywords
flame
retardant
sheath material
outside
pipe
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Active
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CN202321113973.7U
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Chinese (zh)
Inventor
叶惠清
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Suzhou Chengdebao Plastic Co ltd
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Suzhou Chengdebao Plastic Co ltd
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Priority to CN202321113973.7U priority Critical patent/CN219891939U/en
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Abstract

The utility model discloses a flame-retardant PVC sheath material, which relates to the technical field of wires and cables and comprises an inner flame-retardant pipe and a delamination prevention component, wherein an insulating sheet is arranged on the outer surface of the inner flame-retardant pipe, a copper wire shielding net is arranged on the outer surface of the insulating sheet, an outer flame-retardant pipe is sleeved outside the copper wire shielding net, the delamination prevention component for preventing sheath delamination is arranged outside the outer flame-retardant pipe, the delamination prevention component comprises a connecting strip, a connecting groove, an outer sheath and a wear-resistant spray layer, the connecting groove is arranged outside the connecting strip, the outer sheath is arranged outside the connecting groove, and the wear-resistant spray layer is arranged on the surface of the outer sheath. The flame-retardant PVC sheath material is made of PVC materials through the inner flame-retardant pipe and the outer flame-retardant pipe, has a flame-retardant effect, so that the cable sheath material has a high flame-retardant effect, and the insulating sheet and the copper wire shielding net play a role in insulating and shielding.

Description

Flame-retardant PVC sheath material
Technical Field
The utility model relates to the technical field of wires and cables, in particular to a flame-retardant PVC sheath material.
Background
The wire and cable industry is in a rapid development stage. Typically, a cable having only one core and a relatively small diameter is referred to as a wire, the wire without an insulating sheath is referred to as a bare wire, and the other is referred to as a cable, which is made of one or more conductors insulated from each other and an outer insulating protective layer, and which transmits power or information from one place to another.
The utility model of application number CN202023168406.0 discloses a low smoke zero halogen environment-friendly flame-retardant cable sheath material, through wrapping the first sheath body and the second sheath body outside the cable to be protected, then pressing the limiting shaft post and enabling the limiting shaft post to slide in the communication hole, so that when the right-angle limiting bar frame is lapped on the top surface of the connecting frame, the limiting through hole and the limiting shaft post can be aligned, and the limiting shaft post can pop out under the action of spring reset, thereby the whole first sheath body and the second sheath body cover the outside of the wrapped cable, a sheath material structure capable of being quickly installed and detached is provided, the effect of adapting and installing the protective structure according to the protection requirement is achieved, the aim of improving safety is achieved, the application is more flexible, but when the cable performs high-load power transmission, too high heat is often generated, and the cable may generate spontaneous combustion.
Accordingly, in view of the above, research and improvement on the existing structure and defects have been made, and a flame retardant PVC sheathing compound is provided.
Disclosure of Invention
The utility model aims to provide a flame-retardant PVC sheath material for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire-retardant PVC sheath material, includes interior fire-retardant pipe and prevents layering subassembly, the surface of interior fire-retardant pipe is provided with the insulating piece, and the surface mounting of insulating piece has the copper wire shielding net, the outside cover of copper wire shielding net is equipped with outer fire-retardant pipe for prevent the sheath layering prevent layering subassembly setting in the outside of outer fire-retardant pipe, and prevent layering subassembly including connecting strip, spread groove, oversheath and wear-resisting spouting the layer, the outside of connecting strip is provided with the spread groove, and the outside of spread groove is provided with the oversheath, the surface of oversheath is provided with wear-resisting spouting the layer.
Further, a packing sheet is arranged in the inner resistance tube, and a filling material is arranged in the packing sheet.
Further, the inside of filler is provided with the cable conductor, and the internally mounted of cable conductor has the cable core.
Further, the outside of wear-resisting spouting the material layer is provided with the joint lag, and joint lag and oversheath cup joint connection.
Further, an inner limit groove is formed in the inner wall of the joint protecting sleeve, and an outer limit groove is formed in the outer surface of the joint protecting sleeve.
Further, the inner limit groove corresponds to the outer limit groove one by one, and the inside of the outer limit groove is provided with a binding steel wire.
The utility model provides a flame-retardant PVC sheath material, which has the following beneficial effects:
1. according to the utility model, the inner flame-retardant pipe and the outer flame-retardant pipe are both made of PVC materials, so that the cable sheath material has a high flame-retardant effect, the insulating sheet and the copper wire shielding net play a role in insulating and shielding, and the outer flame-retardant pipe and the connecting strip of the integrated structure are connected in a combined manner, so that the outer sheath and the outer flame-retardant pipe are connected more firmly after the connecting strip and the connecting groove are connected, and the protection effect is prevented from being influenced by splitting.
2. The joint protection sleeve is sleeved at the joint position of the sheath material, the inner limit groove is used for being clamped and limited with the surface of the outer sheath, the outer limit groove is used for limiting the steel wire, and the steel wire is fixedly arranged in the outer limit groove to play a role in fixedly protecting the end part of the sheath material, so that the connection reinforcement effect is achieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a flame retardant PVC sheathing compound of the present utility model;
FIG. 2 is a schematic diagram of a layered assembly of a flame retardant PVC sheathing compound of the present utility model;
FIG. 3 is a schematic view of the structure of a joint boot of a flame retardant PVC sheathing material according to the present utility model.
In the figure: 1. an inner flame retardant tube; 2. an insulating sheet; 3. a copper wire shielding net; 4. an outer flame retardant tube; 5. an anti-delamination assembly; 501. a connecting strip; 502. a connecting groove; 503. an outer sheath; 504. wear-resistant spray material layer; 6. wrapping; 7. a filler; 8. a cable; 9. a cable core; 10. a joint protecting sleeve; 11. an inner limit groove; 12. an outer limit groove; 13. and (5) binding and fixing the steel wire.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1, a flame retardant PVC sheath material, including inner flame retardant pipe 1 and anti-layering assembly 5, the surface of inner flame retardant pipe 1 is provided with insulating sheet 2, inner flame retardant pipe 1 and outer flame retardant pipe 4 all adopt PVC material to make, it has flame retardant effect and makes this cable sheath material have high flame retardant effect, and the surface mounting of insulating sheet 2 has copper wire shielding net 3, insulating sheet 2 and copper wire shielding net 3 play insulating shielding's effect, the outside cover of copper wire shielding net 3 is equipped with outer flame retardant pipe 4, outer flame retardant pipe 4 and connecting strip 501 are integrated structure, the inside of inner flame retardant pipe 1 is provided with package piece 6, and the inside of package piece 6 is provided with filler 7, the inside of filler 7 is provided with cable conductor 8, and the internally mounted of cable conductor 8 has cable core 9.
As shown in fig. 2, the delamination prevention component 5 for preventing sheath delamination is disposed outside the outer flame retardant pipe 4, and the delamination prevention component 5 includes a connecting bar 501, a connecting groove 502, an outer sheath 503 and a wear-resistant spray layer 504, the connecting bar 501 is disposed outside the connecting bar 502, the connecting bar 501 and the connecting groove 502 are connected, so that the outer sheath 503 and the outer flame retardant pipe 4 are connected more firmly, the anti-splitting effect is prevented, the outer sheath 503 is disposed outside the connecting groove 502, and the wear-resistant spray layer 504 is disposed on the surface of the outer sheath 503.
As shown in fig. 3, the wear-resistant spray layer 504 is provided with a joint protection sleeve 10 outside, the joint protection sleeve 10 is sleeved at the joint position of the sheath material, the inner limit groove 11 is used for being clamped and limited with the surface of the outer sheath 503, the joint protection sleeve 10 is connected with the outer sheath 503 in a sleeved mode, the inner limit groove 11 is formed in the inner wall of the joint protection sleeve 10, the outer limit groove 12 is formed in the outer surface of the joint protection sleeve 10, the outer limit groove 12 is used for limiting the steel wire 13, the inner limit groove 11 corresponds to the outer limit groove 12 one by one, the steel wire 13 is fixedly arranged in the outer limit groove 12, and the steel wire 13 plays a role in fixedly protecting the end portion of the sheath material in the outer limit groove 12 to play a role in connection reinforcement.
In summary, this fire-retardant PVC sheath material, firstly according to the structure shown in fig. 1-3, the internal resistance tube 1 and the outer fire-retardant tube 4 in this material cover all adopt PVC material to make, it has flame retardant effect and makes this cable sheath material have high fire-retardant effect, the insulating sheet 2 and the copper wire shielding net 3 that lie in its inside play insulating shielding's effect, the oversheath 503 is the outermost of material cover, connecting strip 501 and spread groove 502 close the connection, make oversheath 503 and the connection of outer fire-retardant tube 4 more firm, prevent that the splitting from influencing the protection effect, during the use, joint lag 10 suit is in the joint position of sheath material, interior spacing groove 11 is used for with oversheath 503 surface block spacing, and use to prick solid wire 13 to play the effect of pricking solid protection to sheath material tip in outer spacing groove 12, play the effect of connection reinforcement.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (6)

1. The utility model provides a fire-retardant PVC sheath material, includes interior fire-retardant pipe (1) and prevents layering subassembly (5), its characterized in that, the surface of interior fire-retardant pipe (1) is provided with insulating piece (2), and the surface mounting of insulating piece (2) has copper wire shielding net (3), the outside cover of copper wire shielding net (3) is equipped with outer fire-retardant pipe (4), is used for preventing the sheath layering prevent layering subassembly (5) to set up in the outside of outer fire-retardant pipe (4), and prevent layering subassembly (5) including spread strip (501), spread groove (502), oversheath (503) and wear-resisting spout layer (504), the outside of spread strip (501) is provided with spread groove (502), and the outside of spread groove (502) is provided with oversheath (503), the surface of oversheath (503) is provided with wear-resisting spout layer (504).
2. A flame retardant PVC sheathing compound according to claim 1, wherein the inner combustion tube (1) is internally provided with a sheathing (6), and the inside of the sheathing (6) is provided with a filler (7).
3. A flame retardant PVC sheath material according to claim 2, wherein the filler (7) is internally provided with a cable wire (8), and the cable wire (8) is internally mounted with a cable core (9).
4. A flame retardant PVC sheath material according to claim 1, wherein the wear resistant spray layer (504) is provided with a joint protection sleeve (10) on the outside, and the joint protection sleeve (10) is in a sleeve connection with the outer sheath (503).
5. The flame retardant PVC sheath material according to claim 4, wherein the inner wall of the joint boot (10) is provided with an inner limit groove (11), and the outer surface of the joint boot (10) is provided with an outer limit groove (12).
6. The flame-retardant PVC sheath material according to claim 5, wherein the inner limit groove (11) and the outer limit groove (12) are in one-to-one correspondence, and the inside of the outer limit groove (12) is provided with a binding steel wire (13).
CN202321113973.7U 2023-05-10 2023-05-10 Flame-retardant PVC sheath material Active CN219891939U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321113973.7U CN219891939U (en) 2023-05-10 2023-05-10 Flame-retardant PVC sheath material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321113973.7U CN219891939U (en) 2023-05-10 2023-05-10 Flame-retardant PVC sheath material

Publications (1)

Publication Number Publication Date
CN219891939U true CN219891939U (en) 2023-10-24

Family

ID=88402113

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321113973.7U Active CN219891939U (en) 2023-05-10 2023-05-10 Flame-retardant PVC sheath material

Country Status (1)

Country Link
CN (1) CN219891939U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A flame-retardant PVC sheath material

Granted publication date: 20231024

Pledgee: Bank of Jiangsu Co.,Ltd. Suzhou Branch

Pledgor: Suzhou chengdebao Plastic Co.,Ltd.

Registration number: Y2024980014411