CN209641384U - A kind of resist bending cable - Google Patents
A kind of resist bending cable Download PDFInfo
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- CN209641384U CN209641384U CN201920445588.XU CN201920445588U CN209641384U CN 209641384 U CN209641384 U CN 209641384U CN 201920445588 U CN201920445588 U CN 201920445588U CN 209641384 U CN209641384 U CN 209641384U
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- elastomer
- outer protecting
- soft outer
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Abstract
The utility model discloses a kind of resist bending cables, including soft outer protecting layer and cable core, the outside of elastomer is arranged in the cable core, the elastomer and cable core are wrapped in the inside of inner insulating layer, the outside of the inner insulating layer is surrounded with shielded layer, the outside of the shielded layer is disposed with external insulation layer and soft outer protecting layer, is equipped with flexible component inside the soft outer protecting layer.The utility model prepares soft outer protecting layer by polyurethane rubber, it is wear-resisting, oil resistant, corrosion-resistant good, fatigue resistance is excellent, it is able to carry out alternating bending, it is arranged inside flexible protective layer by the way that flat spring and support ring are combined into detour component, flexible component will not deform in use, structural stability is high, be conducive to cable upon bending using flat spring, automatically it is restored, while cooperating the intracorporal cavity of elasticity at cable bend position, be conducive to cable and stretch automatically, to avoid conducting wire there is a phenomenon where winding, the long service life of cable.
Description
Technical field
The utility model belongs to field of cable technology, and in particular to a kind of resist bending cable.
Background technique
The main material of cable is metallic conductor and sheath, and the self weight of conductor itself is larger, and is arranged in conductor periphery
Metal tape, and in order to improve the tensile strength of cable, partial cables also add steel wire strengthening core, and not flexible, in order to
Improve the above problem, application No. is the patents of CN201220338490.2, and it discloses a kind of resist bending cables, it includes having
The conductor of insulation, is successively surrounded by inner sheath and oversheath outside conductor, and the conductor is four groups, and every group includes four conductors, and four groups
Conductor takes upper and lower, left and right mode to arrange, and filler is equipped among four groups of conductors；The insulation and inner sheath are PVC insulation；
The oversheath is TPU elastomer.Above-mentioned utility model improves the resistance to bend(ing) energy of cable, and solution is frequently bended occasion electric energy
With the transmission of signal.
But above scheme is had following defects that in use especially in mechanical production devices, it is some to need to carry out
The mechanism of reciprocating motion during the motion can be bent connecting cable, and cable will keep curved shape after cable bend
The phenomenon that state, long-time service is not only easy to happen cable winding, it can also reduce the service life of cable.
Utility model content
The purpose of this utility model is to provide a kind of resist bending cables, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of resist bending cable, including prevents outside flexibility
The outside of elastomer is arranged in sheath and cable core, the cable core, and the elastomer and cable core are wrapped in the inside of inner insulating layer, institute
The outside for stating inner insulating layer is surrounded with shielded layer, and the outside of the shielded layer is disposed with external insulation layer and flexible outer protection
Layer, the soft outer protecting layer inside are equipped with flexible component.
This setting increases the resistance to bend(ing) energy of cable using flat spring by flexible component, so that cable adaptation is repeatedly curved
Bent working condition.
Preferably, the flexible component includes flat spring and support ring, and the axial line of the flat spring and soft outer protecting layer is flat
It goes, the card slot for clamping support ring is equidistantly provided on the flat spring.
This setting can form protection structure using flat spring and support ring, carry out to cable inside in bending cable
Protection, and restored automatically under the action of flat spring.
Preferably, the inner insulating layer inner space is equipped with obturator, and the obturator is PVC flexible rubber obturator.
This setting utilizes the flexibility energy of PVC flexible rubber, can avoid cable in alternating bending cable
The case where fracture, improves the toughness of cable.
Preferably, it is provided with the card slot for placing cable core on the elastomer, is provided at the axle center of the elastomer
Mutually independent cavity.
This, which is provided with, is conducive to that cable core is fixed, and improves the stability of cable core, avoids phase inside in bending cable
Mutually squeeze.
Preferably, the cable core includes conductor and the oversheath that is wrapped in outside conductor, the outside of the conductor also around
It is surrounded by several corpus fibrosums.
This setting is wrapped to conductor progress using corpus fibrosum, is conducive to protect conductor, utilizes the resistance to of corpus fibrosum
The resistance to bend(ing) of bending property enhancing cable.
Preferably, the soft outer protecting layer is polyurethane rubber layer.
This is arranged using polyurethane rubber as material, and soft outer protecting layer is facilitated to be formed, oil resistant, corrosion-resistant.
Preferably, the elastomer is TPU elastomer.
This setting utilizes the characteristic of TPU elastic material, increases the elasticity of cable, is conducive to cable and is answered upon bending
It is former.
The technical effect and advantage of the utility model:
The utility model prepares soft outer protecting layer, wear-resisting, oil resistant, corrosion-resistant good, fatigue resistance by polyurethane rubber
It is excellent, it is able to carry out alternating bending, is arranged inside flexible protective layer by the way that flat spring and support ring are combined into detour component, is scratched
Property component will not deform in use, structural stability is high, be conducive to cable upon bending using flat spring, automatically into
Row restores, while cooperating the intracorporal cavity of elasticity at cable bend position, is conducive to cable and stretches automatically, so that conducting wire be avoided to send out
The phenomenon that raw winding, the long service life of cable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the flexible component structural schematic diagram of the utility model；
Fig. 3 is the cable core structure schematic diagram of the utility model.
In figure: 1 soft outer protecting layer, 2 flexible components, 201 flat springs, 202 card slots, 203 support rings, 3 external insulation layers, 4 screens
Cover layer, 5 cavitys, 6 elastomers, 7 cable cores, 701 oversheaths, 702 corpus fibrosums, 703 conductors, 8 obturators, 9 inner insulating layers.
Specific embodiment
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, fall within the protection scope of the utility model.
As shown in Figure 1-3, a kind of resist bending cable, including soft outer protecting layer 1 and cable core 7, the cable core 7 are arranged in bullet
The outside of property body 6, the elastomer 6 and cable core 7 are wrapped in the inside of inner insulating layer 9, and the outside of the inner insulating layer 9 is surrounded with
Shielded layer 4, the outside of the shielded layer 4 are disposed with external insulation layer 3 and soft outer protecting layer 1, the soft outer protecting layer 1
Inside is equipped with flexible component 2.
The flexible component 2 includes flat spring 201 and support ring 203, the axle center of the flat spring 201 and soft outer protecting layer 1
Line is parallel, and the card slot 202 for clamping support ring 203 is equidistantly provided on the flat spring 201.Card slot 202 is by bending to
Type, flat spring 201 have been placed equidistant with 6-8 group, select 6 groups in the present embodiment, and inlay card is on the periphery of support ring 203, so that flat
Spring 201 and support ring 203 form an entirety, to be restored when cable bends using flexible component 2, improve
The repeated bending performance of cable.
9 inner space of inner insulating layer is equipped with obturator 8, and the obturator 8 is PVC flexible rubber obturator.
It is provided with the card slot for placing cable core 7 on the elastomer 6, is provided at the axle center of the elastomer 6 mutually
Independent cavity 5.The inside of cavity 5 is atmospheric air, when bending cable, it will the cavity 5 of crooked position is formed and is squeezed,
So that pressure increase in the cavity 5 of crooked position is conducive to cable recovery after cancelling external force.
The cable core 7 includes conductor 703 and the oversheath 701 that is wrapped in conductor 703 outside, the conductor 703 outside
Portion is also surrounded with several corpus fibrosums 702.Corpus fibrosum 702 uses glass fibre, and structural strength is high, the performance with flame-resistant insulation,
Tensile strength and flexible resistance are high, meet with the winding of conductor 703 in the resistance to bend(ing) for after entirety, effectively increasing conductor 703.
The soft outer protecting layer 1 is polyurethane rubber layer.
The elastomer 6 is TPU elastomer.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of resist bending cable, including soft outer protecting layer (1) and cable core (7), it is characterised in that: cable core (7) setting
In the outside of elastomer (6), the elastomer (6) and cable core (7) are wrapped in the inside of inner insulating layer (9), the inner insulating layer
(9) outside is surrounded with shielded layer (4), and the outside of the shielded layer (4) is disposed with external insulation layer (3) and flexible outer protection
Layer (1), the soft outer protecting layer (1) is internal to be equipped with flexible component (2).
2. a kind of resist bending cable according to claim 1, it is characterised in that: the flexible component (2) includes flat spring
(201) and support ring (203), the axis parallel of the flat spring (201) and soft outer protecting layer (1), on the flat spring (201)
It is placed equidistant with the card slot (202) for clamping support ring (203).
3. a kind of resist bending cable according to claim 1, it is characterised in that: inner insulating layer (9) inner space is set
Have obturator (8), the obturator (8) is PVC flexible rubber obturator.
4. a kind of resist bending cable according to claim 1, it is characterised in that: be provided with and be used on the elastomer (6)
The card slot of cable core (7) is placed, is provided with mutually independent cavity (5) at the axle center of the elastomer (6).
5. a kind of resist bending cable according to claim 1, it is characterised in that: the cable core (7) include conductor (703) with
And it is wrapped in the external oversheath (701) of conductor (703), the outside of the conductor (703) is also surrounded with several corpus fibrosums
(702)。
6. a kind of resist bending cable according to claim 1, it is characterised in that: the soft outer protecting layer (1) is poly- ammonia
Ester rubber layer.
7. a kind of resist bending cable according to claim 1, it is characterised in that: the elastomer (6) is TPU elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920445588.XU CN209641384U (en) | 2019-04-03 | 2019-04-03 | A kind of resist bending cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920445588.XU CN209641384U (en) | 2019-04-03 | 2019-04-03 | A kind of resist bending cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209641384U true CN209641384U (en) | 2019-11-15 |
Family
ID=68497249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920445588.XU Active CN209641384U (en) | 2019-04-03 | 2019-04-03 | A kind of resist bending cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209641384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466529A (en) * | 2020-11-30 | 2021-03-09 | 韩玉权 | Anti-interference and anti-stretching cable for communication equipment |
-
2019
- 2019-04-03 CN CN201920445588.XU patent/CN209641384U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466529A (en) * | 2020-11-30 | 2021-03-09 | 韩玉权 | Anti-interference and anti-stretching cable for communication equipment |
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