CN218826302U

CN218826302U - Resistance to compression shielded wire structure

Info

Publication number: CN218826302U
Application number: CN202223501718.8U
Authority: CN
Inventors: 黄天辉
Original assignee: Dongguan Wenchang Electronic Products Co ltd
Current assignee: Dongguan Wenchang Electronic Products Co ltd
Priority date: 2022-12-24
Filing date: 2022-12-24
Publication date: 2023-04-07
Anticipated expiration: 2032-12-24

Abstract

The utility model belongs to the technical field of the shielded wire, a resistance to compression shielded wire structure is related to, it includes the wire body, the surface cladding of wire body has the insulating layer, resistance to compression shielded wire structure still includes the interval support, be provided with the installing zone that is used for placing the wire body on the interval support, the interval support is close to the installing zone be provided with card line piece on the surface, card line piece and wire body butt mutually, the outside of interval support is provided with the wall, it has the buffer to fill between wall and the interval support, the wall is kept away from the outside of support and is stamped the shielding layer, the outside that the wall was kept away from to the shielding layer is provided with the outer protective sheath, be provided with the resistance to compression layer between outer protective sheath and the shielding layer. The shielding wire has the effect of reducing the condition that the shielding wire is exposed outside and damaged due to extrusion of external force.

Description

Resistance to compression shielded wire structure

Technical Field

The application relates to the technical field of shielded wire, especially, relate to resistance to compression shielded wire structure.

Background

The shielding wire is a transmission wire which wraps the signal wire by using a metal mesh braid and has the functions of shielding interference signals and reducing the loss of transmission signals. The shielding wire comprises a wire body and an insulating layer wrapping the surface of the wire body, wherein a shielding layer is arranged on the outer surface of the insulating layer, and an outer protective sleeve covers the outer surface of the shielding layer.

The line specially used for public address and sound box connection in the sound equipment is called audio line, the audio line passes through the signal of low current and low power, and impedance is high, easily receives the interference, generally uses the shielded wire. One end of the audio cable is connected with the sound output device, the other end of the audio cable is connected with the sound box, and the audio cable is exposed on the ground due to the fact that the sound output device and the sound box are separated by a certain distance, and the audio cable is easily treaded, and the cable body can be mutually extruded and damaged when the audio cable receives external force.

SUMMERY OF THE UTILITY MODEL

In order to reduce the situation that the shielding wire is exposed to the outside and damaged by being squeezed by an external force, the application provides a pressure-resistant shielding wire structure.

The application provides a resistance to compression shielded wire structure adopts following technical scheme:

resistance to compression shielded wire structure, including the wire body, the surface cladding of wire body has the insulating layer, resistance to compression shielded wire structure still includes the interval support, be provided with the installing zone that is used for placing the wire body on the interval support, the interval support is close to the installing zone be provided with card line piece on the surface, card line piece and wire body butt mutually, the outside of interval support is provided with the wall, it has the buffer to fill between wall and the interval support, the wall is kept away from the outside of support and is stamped the shielding layer, the outside that the wall was kept away from to the shielding layer is provided with the overcoat, be provided with the resistance to compression layer between overcoat and the shielding layer.

Through adopting above-mentioned technical scheme, the setting of support makes spaced apart each other between the wire body to be provided with the card line piece of fixed wire on the support, make the firm fixing on the support of wire body. When the shielded wire receives external force extrusion, the support can make and to separate apart each other between the wire body, can not extrude each other because of receiving external force, and then has reduced because the shielded wire receives external force and causes and to extrude each other between the wire body, and then the condition of wearing and tearing damage, has improved the life of shielded wire. And a buffer is filled between the spacing layer and the spacing support, so that the pressure of external force on the mounting area is relieved. The shielding layer is in a grid layered shape, the anti-compression layer is arranged on the shielding wire and can relieve the influence of external pressure when the shielding wire receives external force, and therefore the shielding effect of the shielding wire is guaranteed due to the fact that the shielding layer is damaged.

Optionally, one end of the spacing bracket, which is close to the spacing layer, is provided with a supporting block which is matched with the spacing layer, and one end of the supporting block, which is close to the spacing layer, is abutted to the spacing layer.

Through adopting above-mentioned technical scheme, the setting of supporting shoe can be better dispersion external force, reduces the extrusion. In addition, the supporting block can also reduce the condition that the spacer layer is damaged by the spacer bracket when the shielding wire is subjected to external force, so that the service life of the shielding wire is prolonged.

Optionally, the pressure-resistant layer is in a wave-shaped layer, and one side of the pressure-resistant layer, which is close to the shielding layer, is in contact with the shielding layer.

Through adopting above-mentioned technical scheme, the extrusion that external force caused can be better alleviated for smooth stratiform to the structure of wave stratiform, and then reduces the shielding layer and receive the condition of extrusion damage. The external force can be better born to wave layer structure, and when receiving external force, the external force that corresponds can be born through deformation in the wave layer. The pressure resistance of the pressure-resistant shielding line structure is improved.

Optionally, the spacer layer is a honeycomb layer.

Through adopting above-mentioned technical scheme, the lamellar structure of honeycomb is closely knit, and bearing capacity is strong, and the structure is exquisite. The condition that external force causes the influence to the wire body in the interval layer can be effectively reduced, and the external force is further dispersed. And is beneficial for thermal insulation.

Optionally, the spacing layer comprises a plurality of polyester fiber yarns, and the polyester fiber yarns are stacked to form a honeycomb layer.

By adopting the technical scheme, the polyester fiber has high strength and elastic recovery capability, and is firm and durable. Therefore, the polyester fiber is used as the spacing layer, so that the pressure resistance of the pressure-resistant shielding line structure is further improved, and the influence of external force on the lead body in the mounting area is reduced.

Optionally, the buffer comprises latex particles.

Through adopting above-mentioned technical scheme, latex particle's packing compactness is better to possess good elasticity resilience ability, when the shielded wire receives external force, latex particle can prevent the extrusion between wire body and the isolation support, and latex particle's the smooth surface can not cause wearing and tearing to the wire body. The service life of the pressure-resistant shielding line structure is prolonged.

Optionally, the insulating layer includes a polypropylene material layer, and the thickness is 0.3mm to 0.6mm.

By adopting the technical scheme, the polypropylene material has high toughness and good electrical insulation. Need buckle in the use of shielded wire and accomodate or tensile straightening of stroking down with fingers, the polypropylene material has good toughness, can the different service environment of adaptation, and then has improved the durable degree of resistance to compression shielded wire structure.

Optionally, the outer protective sheath is a PVC protective sheath.

By adopting the technical scheme, PVC has high mechanical strength, high external pressure resistance and high impact strength. When the shielding wire receives external force, the outer protective sleeve can effectively block part of the external force, and the pressure resistance of the pressure-resistant shielding wire structure is improved.

To sum up, the application comprises the following beneficial technical effects:

1. the interval support is provided with the installing zone, is provided with the card line piece in the installing zone, and the wire body is fixed with in the card line piece. The wire bodies can be spaced apart from each other, and can not be extruded mutually due to external force, so that the situation that the wire bodies are extruded mutually after being subjected to the external force and are abraded is reduced. The arrangement of the latex particles reduces the pressure abrasion between the lead body and the spacing support, and the pressure resistance is further improved.

2. The setting of the anti-compression layer of wave stratiform, the effectual influence of alleviating external pressure to the isolation layer reduces the damage of shielding layer, further improvement compressive capacity.

Drawings

Fig. 1 is a schematic structural diagram of the pressure-resistant shielding line structure of the present application.

Fig. 2 is a cross-sectional schematic view of a pressure resistant shield wire.

Description of reference numerals:

1. a lead body; 11. an insulating layer; 2. a spacer bracket; 21. a support block; 22. a wire clamping block; 23. an installation area; 3. latex particles; 4. a spacer layer; 5. a shielding layer; 6. a pressure resistant layer; 7. an outer protective sheath; 8. a wire placement area;

Detailed Description

The present application is described in further detail below.

The embodiment of the application discloses resistance to compression shielded wire structure, refer to fig. 1-2, including interval support 2, interval support 2 includes installing zone 23, installs the wire body 1 that the surface cladding has insulating layer 11 in the installing zone 23. And a buffer is filled between the lead body 1 and the spacing bracket 2.

Resistance to compression shielded wire structure includes that the wire places district 8, and the wire is placed and is provided with interval support 2 in the district 8, and the cross-section of interval support 2 is the cross form, and interval support 2 places the district 8 with the wire and separates into a plurality of installing zones 23, and wire body 1 installs in installing zone 23. The side face, close to the spacing area, of the spacing support 2 is provided with a wire clamping block 22, the wire clamping block 22 is an elastic block, and one end of the wire clamping block 22 is connected with the spacing support 2. The surface cladding of wire body 1 has insulating layer 11, and insulating layer 11 is the polypropylene material layer, and insulating layer 11 and card line piece 22 looks butt, and wire body 1 is fixed in installing zone 23 through card line piece 22.

The outer side of the spacing support 2 is provided with a spacing layer 4, the spacing layer 4 is a honeycomb layered structure formed by polyester fiber yarns in a pushing and overlapping mode, and a supporting block 21 is arranged between the spacing support 2 and the spacing layer 4. One side of the supporting block 21 close to the spacing layer 4 is arc-shaped and matched with the spacing layer 4, the other side of the supporting block 21 is connected with one end of the spacing bracket 2 close to the spacing layer 4, and one end of the supporting block 21 close to the spacing layer 4 is in contact with the surface of the spacing layer 4. The space between interval layer 4 and interval support 2 is filled with latex particle 3, and latex particle 3 has good elasticity recovery ability, and when the shielded wire received external force, latex particle 3 can prevent the extrusion between wire body 1 and the isolation support to the smooth surface that can not cause the wearing and tearing to wire body 1 of latex particle 3.

The outer side of the spacer layer 4 facing away from the spacer carrier 2 is provided with a pressure-resistant layer 6. The pressure-resistant layer 6 is in a wave-shaped layer and is in contact with the shielding layer 5. The outside on anti-compression layer 6 is provided with outer protective sheath 7, and outer protective sheath 7 is the PVC protective sheath, and the medial surface and the anti-compression layer 6 of outer protective sheath 7 contact.

The implementation principle of the compression-resistant shielding line structure of the embodiment of the application is as follows: the lead bodies 1 are spaced apart from each other by the arrangement of the bracket, and a wire clamping block 22 for fixing the lead is arranged on the bracket, so that the lead bodies 1 are stably fixed on the bracket. When the shielded wire receives external force extrusion, the support can make and to separate apart each other between the wire body 1, can not extrude each other because of receiving external force, and then has reduced because the shielded wire receives external force and causes and to extrude each other between the wire body 1, and then the condition of wearing and tearing damage, has improved the life of shielded wire. The latex particles 3 are filled between the spacing layer 4 and the spacing bracket 2, so that the pressure of external force on the installation area 23 is effectively relieved. The shielding layer 5 is in a grid layer shape, the pressure-resistant layer 6 is arranged on the shielding wire and receives external force, and the pressure-resistant layer 6 can relieve the influence of the external pressure, so that the shielding effect of the shielding wire is ensured by reducing the damage of the shielding layer 5.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Resistance to compression shielded wire structure, including wire body (1), the surface cladding of wire body (1) has insulating layer (11), its characterized in that: the compression-resistant shielding line structure further comprises an interval support (2), a mounting area (23) for placing the wire body (1) is arranged on the interval support (2), a line clamping block (22) is arranged on the surface, close to the mounting area (23), of the interval support (2), the line clamping block (22) is in butt joint with the wire body (1), an interval layer (4) is arranged on the outer side of the interval support (2), a buffer is filled between the interval layer (4) and the interval support (2), a shielding layer (5) covers the outer side, far away from the support, of the interval layer (4), an outer protective sleeve (7) is arranged on the outer side, far away from the interval layer (4), of the shielding layer (5), and a compression-resistant layer (6) is arranged between the outer protective sleeve (7) and the shielding layer (5).

2. The compression resistant shielded wire structure of claim 1, wherein: one end of the spacing bracket (2) close to the spacing layer (4) is provided with a supporting block (21) matched with the spacing layer (4), and one end of the supporting block (21) close to the spacing layer (4) is abutted to the spacing layer (4).

3. The compression resistant shielded wire structure of claim 1, wherein: the pressure-resistant layer (6) is in a wave-shaped layer, and one side, close to the shielding layer (5), of the pressure-resistant layer (6) is in contact with the shielding layer (5).

4. The compression resistant shielded wire structure of claim 1, wherein: the spacing layer (4) is in a honeycomb layer shape.

5. The compression resistant shielded wire structure of claim 4, wherein: the spacing layer (4) comprises a plurality of polyester fiber yarns, and the polyester fiber yarns are stacked to form a honeycomb layer shape.

6. The compression resistant shielded wire structure of claim 1, wherein: the buffer comprises latex particles (3).

7. The compression resistant shielded wire structure of claim 1, wherein: the insulating layer (11) comprises a polypropylene material layer, and the thickness of the polypropylene material layer is 0.3 mm-0.6 mm.

8. The compression resistant shielded wire structure of claim 1, wherein: the outer protective sleeve (7) is a PVC protective sleeve.