CN209708659U - A kind of drag chain flat cable - Google Patents
A kind of drag chain flat cable Download PDFInfo
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- CN209708659U CN209708659U CN201920730104.6U CN201920730104U CN209708659U CN 209708659 U CN209708659 U CN 209708659U CN 201920730104 U CN201920730104 U CN 201920730104U CN 209708659 U CN209708659 U CN 209708659U
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- flat cable
- oversheath
- drag chain
- isolating frame
- cross
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Abstract
The utility model relates to a kind of drag chain flat cables, it includes multiple conductors being arranged side by side, conductor periphery wall is coated with insulating layer, insulating layer periphery wall is coated with flame retardant coating, flame retardant coating peripheral wall is coated with shielded layer, multiple shielded layer periphery walls are extruded with cross section in flat oversheath jointly, the reinforcing rib along conductor length direction is additionally provided between oversheath and shielded layer, oversheath peripheral wall is fitted with the support sleeve of frame-shaped along the sliding of conductor length direction interval, and support sleeve side is fixed with the isolating frame for two neighboring flat cable to be isolated.The utility model is kept apart flat cable in drag chain by isolating frame, guarantees that flat cable will not be interfered with each other in fold, and spaced support sleeve ensure that the minimum fold radius of flat cable as far as possible.
Description
Technical field
The utility model relates to the technical fields of special cable, more particularly, to a kind of drag chain flat cable.
Background technique
Drag chain cable, which is primarily adapted for use in, needs the occasion that moves back and forth in unit, in order to prevent cable tangle, wear,
It pulls, hang and at random, often cable is put into cable-pulling chain, cable is formed and is protected, and cable can also come with drag chain realization
Return is dynamic, this drag chain to be followed to be moved back and forth and nonabradable high flexibility private cable is just drag chain cable,
It can be referred to as trailing cable, tank chain cable.And flat cable has smaller minimum bending radius compared to circle cable, is more applicable in
The heat dissipation of flat cable when turning down scene and split conductor back and forth in drag chain is than round cable good heat dissipation.To guarantee the flat electricity of drag chain
Cable has longer service life, it usually needs the flat cable produced has stronger flexibility, to meet flex life 6,000,000
The secondary above requirement.
To solve the above problems, patent announcement number is the Chinese patent of CN208521637U, propose a kind of counter-bending tired
Labor flexibility flat cable, the conductor being arranged side by side including more, conductor is twisted in the same direction by more metallic conductors, outside conductor
It is extruded with high-temperature silicon disulfide rubber insulating layer, 0.4~0.5mm of thickness of insulating layer, insulating layer is coated with leading with a thickness of 0.3mm
Electric rubber layer is extruded with oversheath outside conductive rubber layer jointly, the oversheath be it is flat, oversheath outer wall is along cable axial direction
Being equidistantly spaced has annular groove, and the jacket thickness of annular groove bottom is 0.8mm, and the spacing between adjacent two annular groove is
5mm, annular groove width 10mm.The utility model is increased entire by the high-temperature silicon disulfide rubber insulating layer extruded outside conductor
The flexibility of flat cable, conductive rubber layer further increases the flexibility of flat cable, annular groove is arranged on flat oversheath, also into one
Step improves the flexibility of flat cable, to effectively contain flat cable oversheath under high-frequency local buckling, flat
The generation of phenomenon of rupture.
When prior art among the above has the following deficiencies: that cable is laid in drag chain, the cable in drag chain must not
It contacts with each other or ties together, need spaced apart, separated or penetrated in the separation cavity of bracket neutral gear with partition, it is electric in drag chain
Gap between cable at least should be the 10% of cable size, adjacent cable from mutually winding in prolonged fold movement to prevent and
Influence the normal operation of drag chain cable.
Utility model content
The purpose of the utility model is to provide it is a kind of can automatic spacing installation drag chain flat cable.
The purpose of this utility model has the technical scheme that
A kind of drag chain flat cable, including multiple conductors being arranged side by side, the conductor periphery wall is coated with insulating layer, described
Insulating layer periphery wall is coated with flame retardant coating, and the flame retardant coating peripheral wall is coated with shielded layer, and multiple shielded layer periphery walls are common
Cross section is extruded in flat oversheath, is additionally provided between the oversheath and the shielded layer along the conductor length
The reinforcing rib in direction, the oversheath peripheral wall is fitted with the support sleeve of frame-shaped along the sliding of conductor length direction interval, described
Support sleeve side is fixed with the isolating frame for two neighboring flat cable to be isolated.
By using above-mentioned technical proposal, insulating layer and flame retardant coating play insulation and fireproofing function to conductor, when conductor is to use
When transmission controls electric signal, shielded layer can be used for shielding interference of the external electromagnetic waves to conductor, to guarantee that drag chain is flat as far as possible
Cable has stronger electric property；Reinforcing rib is used to improve the axial tensile property of cable, is guaranteeing drag chain flat cable as far as possible
The tensile strength and bending strength of drag chain flat cable are improved under the premise of just having compared with small-bend radius；Support sleeve side it is fixed every
It is used to keep apart the multiple flat cables being laid in drag chain from frame, so that there are certain activity is empty between adjacent flat cable
Between, to prevent flat cable from overturning the normal operation that phase mutually wound and influenced drag chain cable in drag chain as far as possible；Interval setting
Support sleeve be avoided as much as possible influence of the support sleeve to flat cable minimum bending radius.
The utility model is further arranged to: the isolating frame include be fixed on the support sleeve cross section short side side and
It the first isolating frame for extending to its longitudinal direction and is fixed on the support sleeve cross section long side side and prolongs to its short side direction
The second isolating frame stretched, first isolating frame and second isolating frame are located at the ipsilateral of the oversheath.
By using above-mentioned technical proposal, when two flat cables are laid side by side, the first isolating frame is by two flat cables along water
Square to separating, when two flat cables overlappings are laid with, the second isolating frame is vertically spaced by two flat cables, so that adjacent
Activity space is reserved between flat cable, in case movement mutual when flat cable close installation is interfered.
The utility model is further arranged to: the cross section of first isolating frame and second isolating frame is " Z "
Font.
By using above-mentioned technical proposal, cross section is that first isolating frame of " Z " font and the second isolating frame are guaranteeing
Light-weight design is realized under the premise of isolation effect, reduces the overall quality of flat cable.
The utility model is further arranged to: the oversheath offers multiple water conservancy diversion along the length direction of the conductor
Slot, multiple diversion trenches are distributed in two long sides of the oversheath cross section.
By using above-mentioned technical proposal, diversion trench is used to carry out water conservancy diversion to the rainwater for spilling surface of outer sheath, to the greatest extent may be used
It is avoided that rainwater is deposited on oversheath for a long time and penetrates into inner conductor, influences the insulating properties of flat cable.
The utility model is further arranged to: lower end surface of first isolating frame far from described support sleeve one end and described
The upper surface that second isolating frame is parallel to the support sleeve cross section long side side is respectively and fixedly provided with to be adapted to the diversion trench grafting
Protrusion.
By using above-mentioned technical proposal, the protrusion on the first isolating frame and the second isolating frame is adapted to diversion trench grafting
When, strengthen the stability of isolation between adjacent flat cable.
The utility model is further arranged to: the oversheath cross section is in kidney ellipsoid.
By using above-mentioned technical proposal, oversheath cross section is in kidney ellipsoid, and compared to rectangular cross section, it is being tied
The buckle resistance energy of oversheath itself is improved on structure.
The utility model is further arranged to: there are two the reinforcing rib settings and is divided to the two of the column oversheath cross section
It holds at cambered surface.
By using above-mentioned technical proposal, the both ends of oversheath width direction are arranged in reinforcing rib, and flat cable is whole to be resisted
Draw the promotion of performance more uniform.
In conclusion the advantageous effects of the utility model are as follows:
1. the setting of the first isolating frame and the second isolating frame separates adjacent two flat cable, empty to provide enough activities
Between, not only met the laying requirement of drag chain flat cable but also had avoided interfering between adjacent flat cable as far as possible；
2. cross section is that first isolating frame of " Z " font and the second isolating frame realize light-weight design, reduce flat
The overall quality of cable；
3. the protrusion on the first isolating frame and the second isolating frame is adapted to diversion trench grafting, strengthen between adjacent flat cable
The stability of isolation.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the schematic cross-sectional view in the face A-A in Fig. 1;
Fig. 3 is the partial enlargement diagram of part B in Fig. 2.
In figure, 1, conductor；2, insulating layer；3, flame retardant coating；4, shielded layer；5, oversheath；6, reinforcing rib；7, support sleeve；8,
First isolating frame；9, the second isolating frame；10, diversion trench；11, raised.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Figure 1 and Figure 3, is a kind of drag chain flat cable disclosed by the utility model, including multiple conductors being arranged side by side
1,1 periphery wall of conductor is coated with insulating layer 2, and 2 periphery wall of insulating layer is coated with flame retardant coating 3, and 3 peripheral wall of flame retardant coating is coated with shielded layer
4, multiple 4 periphery walls of shielded layer are extruded with the oversheath 5 that cross section is in kidney ellipsoid jointly, also set between oversheath 5 and shielded layer 4
It is equipped with the reinforcing rib 6 along 1 length direction of conductor, there are two the settings of reinforcing rib 6 and divides the both ends cambered surface of 5 cross section of column oversheath
Place；For oversheath 5 preferably using being made of polyvinyl chloride butyronitrile composite material, shielded layer 4 is preferably proof copper-wire braided net, flame retardant coating 3
It is preferably made of low smoke and low halogen flame-proof PVC, insulating layer 2 is preferably made of crosslinked polyethylene, and reinforcing rib 6 preferably uses
More finer wires kink.
Oversheath 5 made of polyvinyl chloride butyronitrile composite material has stronger elasticity, provides for flat cable excellent
Buckle resistance energy, flame retardant coating 3 and insulating layer 2 ensure that the fire resistance and insulating properties of flat cable as far as possible, when conductor 1 is for passing
When defeated control electric signal, shielded layer 4 can be used for shielding interference of the external electromagnetic waves to conductor 1, and reinforcing rib 6 is for improving cable
Axial tensile property improves the anti-of drag chain flat cable under the premise of guaranteeing that drag chain flat cable just has compared with small-bend radius as far as possible
Tensile strength and bending strength are wanted in fold motion state repeatedly for a long time so that flat cable is laid on to be able to satisfy in drag chain
It asks.
Fig. 2 referring to Fig.1, oversheath 5 are opened in the periphery wall in two long sides of its cross section along the length direction of conductor 1
Equipped with multiple diversion trenches 10, for diversion trench 10 between two neighboring conductor 1 arranged side by side, 5 peripheral wall of oversheath is long along conductor 1
The sliding of degree direction interval is fitted with the support sleeve 7 of frame-shaped, its fixed oriented longitudinal direction of the short side side of 7 cross section of support sleeve is prolonged
The first isolating frame 8 stretched, the second isolating frame 9 that its fixed oriented short side direction of 7 cross section long side side of support sleeve extends, first
Ipsilateral and its cross section that isolating frame 8 and the second isolating frame 9 are located at oversheath 5 is " Z " font, and the first isolating frame 8 is far from branch
The upper surface that the lower end surface of 7 one end of support set and the second isolating frame 9 are parallel to 7 cross section long side side of support sleeve is respectively and fixedly provided with and leads
The protrusion 11 of 10 grafting of chute adaptation.
Diversion trench 10 is used to carry out water conservancy diversion to the rainwater for spilling 5 surface of oversheath, avoids rainwater long-time heap as far as possible
Product penetrates into inner conductor 1 on oversheath 5, to influence the insulating properties of flat cable；When two flat cables are laid side by side, first every
Two flat cables are separated in the horizontal direction from frame 8, when the overlapping of two flat cables is laid with, the second isolating frame 9 is by two flat cables
It is vertically spaced so that be reserved with activity space between adjacent flat cable, in order to avoid when flat cable close installation mutually it
Between movement be interfered, even mutually winding and influence the normal use of cable, while cross section is the of " Z " font
One isolating frame 8 and the second isolating frame 9 realize light-weight design under the premise of guaranteeing isolation effect, reduce the total of flat cable
Weight；When protrusion 11 on first isolating frame 8 and the second isolating frame 9 is adapted to 10 grafting of diversion trench, adjacent flat electricity is strengthened
The stability of isolation between cable；Spaced support sleeve 7 is avoided as much as possible when support sleeve 7 is plugged on flat cable pair
The influence of flat cable minimum bending radius.
The implementation principle of the present embodiment are as follows:
It include multiple conductors 1 being arranged side by side in flat cable, 1 outside of conductor is successively coated with insulating layer 2, flame retardant coating 3, screen
Layer 4 is covered, multiple 4 periphery walls of shielded layer are extruded with the oversheath 5 that cross section is in kidney ellipsoid jointly, and the both ends of oversheath 5 are also set up
There is the reinforcing rib 6 along 1 length direction of conductor, 5 peripheral wall of oversheath is fitted with the support of frame-shaped along the sliding of 1 length direction interval of conductor
7 are covered, is fixed on oversheath 5 for the first isolating frame 8 of level of isolation installation flat cable and for vertically-mounted flat electricity to be isolated
Second isolating frame 9 of cable.
First isolating frame 8 and the second isolating frame 9 keep apart the flat cable installed in drag chain, to guarantee flat electricity as far as possible
There are enough spaces when being bent overturning for cable, and the flat cable in drag chain is avoided mutually to tangle and influence flat cable just as far as possible
It is often used.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (7)
1. a kind of drag chain flat cable, including multiple conductors (1) being arranged side by side, conductor (1) periphery wall is coated with insulating layer
(2), it is characterised in that: insulating layer (2) periphery wall is coated with flame retardant coating (3), and flame retardant coating (3) peripheral wall is coated with shielding
Layer (4), multiple shielded layer (4) periphery walls are extruded with cross section in flat oversheath (5), the oversheath jointly
(5) reinforcing rib (6) along the conductor (1) length direction, the oversheath (5) are additionally provided between the shielded layer (4)
Peripheral wall is fitted with the support sleeve (7) of frame-shaped along the sliding of the conductor (1) length direction interval, and support sleeve (7) side is fixed
There is the isolating frame for two neighboring flat cable to be isolated.
2. drag chain flat cable according to claim 1, it is characterised in that: the isolating frame includes being fixed on the support sleeve
(7) cross section short side side and to its longitudinal direction extend the first isolating frame (8) and be fixed on the support sleeve (7) cross section
Long side side and the second isolating frame (9) extended to its short side direction, first isolating frame (8) and second isolating frame
(9) positioned at the ipsilateral of the oversheath (5).
3. drag chain flat cable according to claim 2, it is characterised in that: first isolating frame (8) and described second every
Cross section from frame (9) is " Z " font.
4. drag chain flat cable according to claim 3, it is characterised in that: length of the oversheath (5) along the conductor (1)
Degree direction offers multiple diversion trenches (10), and multiple diversion trenches (10) are distributed in two of the oversheath (5) cross section
In long side.
5. drag chain flat cable according to claim 4, it is characterised in that: first isolating frame (8) is far from the support
The lower end surface and second isolating frame (9) that cover (7) one end are parallel to the upper surface of the support sleeve (7) cross section long side side
It is respectively and fixedly provided with the protrusion (11) being adapted to the diversion trench (10) grafting.
6. drag chain flat cable according to claim 1, it is characterised in that: oversheath (5) cross section is in kidney ellipsoid.
7. drag chain flat cable according to claim 6, it is characterised in that: there are two reinforcing rib (6) settings and point column
At the both ends cambered surface of oversheath (5) cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730104.6U CN209708659U (en) | 2019-05-20 | 2019-05-20 | A kind of drag chain flat cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730104.6U CN209708659U (en) | 2019-05-20 | 2019-05-20 | A kind of drag chain flat cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209708659U true CN209708659U (en) | 2019-11-29 |
Family
ID=68651126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920730104.6U Active CN209708659U (en) | 2019-05-20 | 2019-05-20 | A kind of drag chain flat cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209708659U (en) |
-
2019
- 2019-05-20 CN CN201920730104.6U patent/CN209708659U/en active Active
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