Compression-resistant shielding cable

Abstract

The utility model relates to the technical field of cables, in particular to a compression-resistant shielding cable, which comprises a protection assembly, a shielding layer, a filling layer, a cable core and a wear-resistant layer. A plurality of wire cores are arranged, the shielding layer sleeves the outer sides of the plurality of wire cores, the filling layer is connected with the inner wall of the shielding layer, and the filling layer wraps the outer sides of the wire cores; the protection assembly is arranged on the outer side of the shielding layer in a sleeving mode, the protection assembly is of a double-layer structure, a plurality of buffering cavities are formed in the protection assembly and evenly distributed in the circumferential direction, and the wear-resisting layer is connected with the peripheral face of the protection assembly. According to the utility model, the outer side of the wire core is provided with the fireproof filling material, so that the fireproof filling material can fix the position of the wire core and can play a role in flame retardation; the protection assembly is of a double-layer structure, and a plurality of buffer cavities in the protection assembly can protect internal wire cores when the outer side of the cable is extruded and impacted.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely is a kind of pressure-resistant shielded cable. BACKGROUND

[0002] Cable is the general term of optical cable, cable and other articles, and cable has many purposes, mainly used for control installation, connecting equipment, transmitting power and other multiple functions, and it is a common and indispensable thing in daily life.Shielded cable is a transmission line wrapped with signal line by metal mesh braid layer.The braid layer is usually red copper or tin-plated copper.

[0003] The Chinese patent with the authorization announcement number CN220509734U discloses a kind of pressure-resistant cable, including first protective sleeve and second protective sleeve, first protective sleeve and second protective sleeve are connected by buffer connecting plate between, the inside of second protective sleeve is connected with connecting cable, the top and bottom of the top and bottom of second protective sleeve are fixedly connected with three buffer top plates, the top of the inner wall of first protective sleeve and the bottom of the inner wall are fixedly connected with three buffer top plates, one end of each buffer connecting plate is provided with buffer sliding groove, the inner wall between each buffer sliding groove is fixedly connected with positioning connecting rod, the outer side of each positioning connecting rod is sleeved with two connecting sleeve rings.The utility model is used when, when first protective sleeve shrinks due to the pressure outside, first protective sleeve is extruded buffer top plate, so that the bending amplitude of reset connecting plate is larger, then reset connecting plate pushes connecting sleeve ring to slide on positioning connecting rod at this time, so that positioning connecting rod can push buffer spring to shrink, thereby the vibration transmitted by first protective sleeve is buffered.

[0004] But the above-mentioned technical scheme has the following defects: the cable in the above-mentioned pressure-resistant cable is in the second protective sleeve, the cable is not completely filled in, so that the cable is easy to displace and entangle in it, there are multiple buffer top plates and reset connecting plates in the two protective sleeves, when the protective sleeve is impacted at high speed, the reset connecting plate is easy to be damaged and lose its function. UTILITY MODEL CONTENT

[0005] The utility model aims at the problems in the background art, and proposes a kind of pressure-resistant shielded cable.

[0006] The technical scheme of the utility model: a kind of pressure-resistant shielded cable, including protective assembly, shielding layer, filling layer, wire core and wear-resistant layer;

[0007] Wire core is provided with multiple, shielding layer is sleeved on the outside of multiple wire cores, filling layer connects shielding layer inner wall, and filling layer is wrapped on the outside of multiple wire cores.

[0008] Protective assembly is sleeved on the outside of shielding layer, and protective assembly is double-layer structure, and multiple buffer cavities are arranged in protective assembly, and multiple buffer cavities are evenly distributed in circumference, and wear-resistant layer is connected to the outer circumferential surface of protective assembly.

[0009] Preferably, the protection assembly comprises an outer protection sleeve, an inner protection sleeve and a support part;

[0010] The support part is provided with a plurality of outer circumferential surfaces connected to the inner protection sleeve, and the plurality of support parts are evenly distributed on the inner protection sleeve in the circumferential direction;

[0011] The outer protection sleeve is sleeved outside the inner protection sleeve, the other end of the plurality of support parts is connected to the inner circumferential surface of the outer protection sleeve, and a buffer cavity is formed between the outer protection sleeve and the inner protection sleeve.

[0012] Preferably, the inner circumferential surface of the inner protection sleeve is provided with a plurality of reinforcing ribs, the reinforcing ribs are annular and coaxially distributed with the inner protection sleeve, and the plurality of reinforcing ribs are evenly distributed along the axial direction of the inner protection sleeve.

[0013] Preferably, the outer circumferential surface of the inner protection sleeve is provided with a support ring, the support ring is coaxially distributed with the inner protection sleeve, the outer circumferential surface of the support ring is connected to the inner circumferential surface of the outer protection sleeve, and the support ring is vertically distributed with the support part.

[0014] Preferably, the wear-resistant layer is a mesh structure.

[0015] Preferably, the protection assembly is an integrated elastic structure.

[0016] Preferably, the filling layer is selected from fireproof filling materials.

[0017] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0018] 1. In the utility model, the fireproof filling material outside the core can not only fix the position of the core, but also has the function of flame retardation.

[0019] 2. In the utility model, the protection assembly is a double-layer structure, and the plurality of buffer cavities in the protection assembly can protect the internal core when the cable is subjected to extrusion impact. DETAILED DESCRIPTION

[0020] Figure 1 A perspective view of an anti-pressure shielding cable is provided for the utility model.

[0021] Figure 2 A structure schematic view of an anti-pressure shielding cable is provided for the utility model.

[0022] Figure 3 A sectional view of an anti-pressure shielding cable is provided for the utility model.

[0023] Figure 4 A structure schematic view of a protection assembly in an embodiment of the utility model is provided.

[0024] Marked: 1, shielding layer; 2, filling layer; 3, core; 4, outer protective sleeve; 5, wear-resistant layer; 6, inner protective sleeve; 7, support part; 8, reinforcing rib; 9, support ring; 10, buffer cavity. DETAILED DESCRIPTION

[0025] Example one

[0026] As Figures 1-4 shown, the utility model provides a kind of compression-resistant shielded cable, including protective assembly, shielding layer 1, filling layer 2, core 3 and wear-resistant layer 5;

[0027] Core 3 is equipped with multiple, shielding layer 1 is sleeved on the outside of multiple core 3, filling layer 2 connects shielding layer 1 inner wall, and filling layer 2 is wrapped in the outside of multiple core 3;

[0028] Further, filling layer 2 selects fireproof filling material;

[0029] Protective assembly is sleeved on the outside of shielding layer 1, and protective assembly is double-layer structure, and multiple buffer cavities 10 are located in protective assembly, and multiple buffer cavities 10 are evenly distributed in circumference, and wear-resistant layer 5 is connected to the outer peripheral surface of protective assembly;

[0030] Further, wear-resistant layer 5 is mesh structure.

[0031] In the utility model, the outside of core 3 has fireproof filling material, so that it can also play the role of flame retardation while fixing the position of core 3, and the multiple buffer cavities 10 in protective assembly can protect internal core 3 when cable outside is extruded and impacted.

[0032] Example two

[0033] As Figures 2-4 shown, the utility model provides a kind of compression-resistant shielded cable, compared with example one, the protective assembly in the embodiment includes outer protective sleeve 4, inner protective sleeve 6 and support part 7;

[0034] Support part 7 is equipped with multiple and is connected to the outer peripheral surface of inner protective sleeve 6, and multiple support parts 7 are evenly distributed in circumference on inner protective sleeve 6;

[0035] Outer protective sleeve 4 is sleeved on the outside of inner protective sleeve 6, and the other end of multiple support parts 7 is connected to the inner peripheral surface of outer protective sleeve 4, and buffer cavity 10 is between outer protective sleeve 4 and inner protective sleeve 6.

[0036] Further, the inner peripheral surface of inner protective sleeve 6 is equipped with multiple reinforcing ribs 8, reinforcing rib 8 is annular and is coaxially distributed with inner protective sleeve 6, and multiple reinforcing ribs 8 are evenly distributed along the axial direction of inner protective sleeve 6.

[0037] Further, the inner protective sleeve 6 is provided with a support ring 9, the support ring 9 is coaxially distributed with the inner protective sleeve 6, the outer periphery of the support ring 9 is connected with the inner periphery of the outer protective sleeve 4, and the support ring 9 is vertically distributed with the support part 7.

[0038] In the embodiment, the protective assembly is a double-layer structure, the inner protective sleeve 6 and the outer protective sleeve 4, and the cable is first extruded into the buffer cavity 10 when being extruded, the protective assembly is an elastic structure, so that the inner core 3 can be protected, and the inner periphery of the inner protective sleeve 6 is further provided with a plurality of reinforcing ribs 8, so that the structure of the protective assembly is more stable and firm.

[0039] Embodiment three

[0040] As shown in Figures 1-2 and Figure 4 the utility model discloses a kind of compression-resistant shielded cables, compared with embodiment one, in the embodiment, the protective assembly is integrated elastic structure, buffer cavity 10 projection shape is sector, and protective assembly can be selected rubber material.

[0041] In the embodiment, the integrated protective assembly is not easy to damage, and the protective assembly of rubber material is wrapped outside the inner core 3, which plays a buffering and protecting role.

[0042] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, within the knowledge range of the technical personnel in the technical field to which the utility model belongs, various changes can be made without departing from the purpose of the utility model.

Claims

1. A crush resistant shielded cable characterized by, The protective assembly, the shielding layer (1), the filling layer (2), the wire core (3) and the wear-resistant layer (5) are included. The wire core (3) is provided with a plurality of shielding layers (1) which are sleeved on the outer side of the plurality of wire cores (3), and the filling layer (2) is connected to the inner wall of the shielding layer (1), and the filling layer (2) is wrapped on the outer side of the plurality of wire cores (3). The protective assembly is sleeved on the outer side of the shielding layer (1), the protective assembly is a double-layer structure, the protective assembly is provided with a plurality of buffer cavities (10), the plurality of buffer cavities (10) are uniformly distributed in the circumferential direction, and the wear-resistant layer (5) is connected to the outer circumferential surface of the protective assembly.

2. A crush resistant shielded cable according to claim 1, wherein, The protective assembly includes an outer protective sleeve (4), an inner protective sleeve (6) and a support part (7). The support part (7) is provided with a plurality of inner protective sleeves (6) and is connected to the outer circumferential surface of the inner protective sleeve (6), and the plurality of support parts (7) are uniformly distributed in the circumferential direction on the inner protective sleeve (6). The outer protective sleeve (4) is sleeved on the outer side of the inner protective sleeve (6), the other end of the plurality of support parts (7) is connected to the inner circumferential surface of the outer protective sleeve (4), and the buffer cavity (10) is formed between the outer protective sleeve (4) and the inner protective sleeve (6).

3. A crush resistant shielded cable according to claim 2, wherein, The inner circumferential surface of the inner protective sleeve (6) is provided with a plurality of reinforcing ribs (8), the reinforcing ribs (8) are annular and coaxially distributed with the inner protective sleeve (6), and the plurality of reinforcing ribs (8) are uniformly distributed along the axial direction of the inner protective sleeve (6).

4. The crush resistant shielded cable of claim 2, wherein, The outer circumferential surface of the inner protective sleeve (6) is provided with a support ring (9), the support ring (9) is coaxially distributed with the inner protective sleeve (6), the outer circumferential surface of the support ring (9) is connected to the inner circumferential surface of the outer protective sleeve (4), and the support ring (9) is vertically distributed with the support part (7).

5. The crush resistant shielded cable of claim 1, wherein, The wear-resistant layer (5) is a mesh structure.

6. The crush resistant shielded cable of claim 1, wherein, The protective assembly is an integrated elastic structure.

7. The crush resistant shielded cable of claim 1, wherein, The filling layer (2) is selected from fireproof filling materials.

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