CN205881495U - Flexible cable and utilize terminal equipment of this flexibility cable - Google Patents

Abstract

The utility model belongs to the cable field, aim at provides a flexible cable and utilize terminal equipment of this flexibility cable to the cable toughness of solving among the prior art is poor, the problem of easy breaking occur when buckling. Include a plurality of heart yearn units and the outer tube that is used for a plurality of heart yearn units of cladding, the heart yearn unit includes the elastic layer of wire and cladding wire, and the outer tube is provided with ties up layer, buffer layer, shielding layer and inoxidizing coating, ties up to bond between layer and the buffer layer, bonds between buffer layer and the shielding layer, bonds between shielding layer and the inoxidizing coating, is provided with the toughness of flexible ball in order to improve the cable in the buffer layer. The terminal equipment who utilizes this flexibility cable includes flexible cable, base plate, probe and connecting portion, and flexible cable passes through connecting portion and substrate connection, and the one end and the probe connection of connecting portion are kept away from to the base plate. Beneficial effect lies in: toughness is good, difficult rupture when buckling.

Description

A kind of flexible cable and utilize the terminal unit of this flexible cable

Technical field

This utility model belongs to field of cables, especially relates to a kind of flexible cable and utilizes the terminal of this flexible cable to set Standby.

Background technology

Existing data cable be internally provided with power cable and signal cable.Generally these power cables and letter Number cable is rigid line, and the power line being i.e. made up of metal (mainly selecting copper material) material or holding wire and protection outer layer are constituted Corresponding power cable and signal cable.This kind of data cable hardness is big, easily ruptures when bending, is not suitable for surveying The device of the frequently movement such as amount, control circuit, machinery, machine tool, robot, and the working environment that bending is more.Existing Cable terminating equipment in technology includes multi-cable, but owing to cable exists the problem being prone to fracture, thus cause electricity Cable terminal unit easily lost efficacy.

To sum up, the subject matter that flexible cable of the prior art exists is: easily rupture when poor toughness, bending. The subject matter that cable terminating equipment of the prior art exists is；Lost efficacy due to fractureing of cable.

Utility model content

One of the purpose of this utility model is to provide a kind of flexible cable, to solve cable toughness of the prior art Difference, the problem being susceptible to fracture during bending.

The two of the purpose of this utility model are to provide a kind of terminal unit utilizing this flexible cable, to solve existing skill The problem that cable terminating equipment in art easily occurs because of fractureing of cable to lose efficacy.

Based on above-mentioned first purpose, this utility model provides a kind of flexible cable, including multiple heart yearn unit and for Being coated with the trocar sheath of multiple described heart yearn unit, described heart yearn unit includes wire and is coated with the elastic layer of described wire, described Trocar sheath is disposed with binding layer, cushion, screen layer and overcoat from the inside to the outside, described binding layer and described cushion it Between bonding, bonding between described cushion with described screen layer, bonding between described screen layer and described overcoat, described buffering It is provided with the flexible ball toughness with raising cable in Ceng, is positioned at three heart yearn unit in the middle part of cable and forms trigonums, be positioned at Multiple heart yearn unit annular array outside trigonum form annulus.

Further, it is provided with circular passage in described cushion.

Further, being provided with multiple flexible ball in described circular passage, multiple described flexible balls can be in buffering Roll in layer.

Further, the material of described flexible ball is rubber.

Further, the material of described wire is copper.

Further, the material of described elastic layer is rubber.

Further, the heart yearn unit in described annulus is provided with 10.

Based on above-mentioned second purpose, this utility model provides a kind of terminal unit utilizing this flexible cable, including soft Property cable, substrate, probe and connecting portion, described flexible cable is connected with described substrate by described connecting portion, and described substrate is remote It is connected with described probe from one end of described connecting portion.

Further, described substrate is provided with multiple for connecting heart yearn unit near one end of described flexible cable Draw-in groove, described probe and described substrate clamping.

Further, described connecting portion includes multiple heart yearn unit, described heart yearn unit one end and described flexible cable Connection, the described heart yearn unit other end connects with described substrate.

In conjunction with above technical scheme,

For one of above-mentioned purpose, having the beneficial effects that of a kind of flexible cable that this utility model provides: good toughness, curved It is not easily broken during folding；

For the two of above-mentioned purpose, the useful effect of a kind of terminal unit utilizing this flexible cable that this utility model provides Fruit is: avoids the problem lost efficacy because of cable breakdown and occurs.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, below by right In detailed description of the invention or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below In accompanying drawing be embodiments more of the present utility model, for those of ordinary skill in the art, g is not paying creativeness On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

The structural representation of the flexible cable that Fig. 1 provides for embodiment 1；

The structural representation of the terminal unit utilizing this flexible cable that Fig. 2 provides for embodiment 2.

Reference

1-heart yearn unit；2-trocar sheath；3-trigonum；

4-annulus；5-flexible cable；6-substrate；

7-pops one's head in；8-connecting portion；11-wire；

12-elastic layer；21-binding layer；22-cushion；

23-screen layer；24-overcoat；221-flexibility ball.

Detailed description of the invention

Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality Novel protected scope.

In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Language concrete meaning in this utility model.

Embodiment 1

Present embodiment discloses a kind of flexible cable 5, including multiple heart yearn unit 1 with for being coated with multiple heart yearn unit 1 Trocar sheath 2.

Heart yearn unit 1 includes the elastic layer 12 of wire 11 and coated wire 11.The cross section of heart yearn unit 1 can be but not limit Being set to circle or positive six deformation, circular heart yearn unit 1 is readily produced manufacture, and orthohexagonal heart yearn unit 1 is piled up closely, Orthohexagonal heart yearn unit 1 can effectively reduce the sectional area of cable.Preferably, the flexible cable 5 that the present embodiment provides Cross section is provided in round, and the heart yearn unit 1 of multiple circular cross-sections is the most stranded and is arranged in default shape to adapt to actual life Produce the demand lived.

Heart yearn unit 1 includes the elastic layer 12 of wire 11 and coated wire 11, and wire 11 is by the excellent copper of electric conductivity, aluminum Or many wires material that other alloys etc. are constituted is twisted.Preferably, the material of wire 11 is set to copper.For improving core The electric conductivity of line unit 1 and the efficiency of conduction, carried out improving further to wire 11, specifically, and wire 11 table The coating such as face tin coating, silver or nickel, the method for coating is not limited to vacuum vapor deposition and plating.Elastic layer 12 is by having elasticity Material make.Specifically, elastic layer 12 by tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer (PFA), tetrafluoroethene- The fluororesin such as hexafluoropropylene copolymer (FEP) or ethylene-tetrafluoroethylene copolymer (ETFE) are constituted.The dielectric constant of fluororesin and Dielectric loss angle is little, and therefore by using fluororesin as the material of elastic layer 12, it can suppress the increase of dielectric loss.? In the technical scheme that this application claims, it is fixedly connected by adhesive linkage between wire 11 and elastic layer 12.Concrete and Speech, adhesive linkage can be but be not limited to hot-melt adhesive, and bonding agent is preferably arranged to the polyesters hot melt that cementability is high Bonding agent.Specifically painting method is such as: at one layer of hot-melt adhesive of wire 11 outer surface, be coated with by extrinsion pressing It is covered with conductor outside surfaces one layer of elastic layer 12 of coating of bonding agent, by caking agent so that wire 11 and elastic layer 12 are mutual Bonding.

For further improving the toughness of heart yearn unit 1, the material of elastic layer 12 is set to rubber, and elastomeric material is a kind of Light material, its pliability is good, and when by External Force Acting, the wire 11 being wrapped within elastic layer 12 can be played by rubber The effect of buffering, it is to avoid wire 11 is sustained damage by external mechanical influence power.

Further, the thickness of elastic layer 12 is preferably more than 4um, below 6um, this is because when the thickness of elastic layer 12 When degree is less than 4um, elastic layer 12 is susceptible to breakage, and when more than 6um, the integral thickness of flexible cable 5 is excessive, when bending Easy and surrounding cable occurs interference to cause the breakage of self.

In the alternative of this embodiment, heart yearn unit 1 is provided with multiple, and multiple heart yearn unit 1 define trigonum 3 He Annulus 4, wherein, is positioned in the middle part of cable three heart yearn unit 1 and forms trigonum 3, the multiple heart yearn lists being positioned at outside trigonum 3 Unit 1 annular array forms annulus 4, and the end of trigonum 3 offsets with the internal layer of annulus 4.Wherein three in annulus 4 The outer surface of individual heart yearn unit 1 is tangent, and the line of the geometric center of three heart yearn unit 1 is equilateral triangle.The phase of annulus 4 Adjacent two heart yearn unit 1 are tangent, and the heart yearn unit 1 of trigonum 3 is formed the heart yearn unit 1 of annulus 4 clamping force so that triangle Three heart yearn unit 1 in district 3 are in close contact, and form relative interaction force between the heart yearn unit 1 of annulus 4 and make ring The structure of the heart yearn unit 1 in shape district 4 is the most stable.It is emphasized that the design of annulus 4 and trigonum 3 is permissible Ensure to be reserved with enough gaps so that flexible cable 5 is in the feelings by external mechanical influence power between annulus 4 and trigonum 3 There are enough deformation spaces under condition, reduce and be positioned at the probability that the heart yearn unit 1 of trigonum 3 sustains damage.

In the alternative of this embodiment, heart yearn unit 1 quantity in trigonum 3 could be arranged to 1,2 or 4 Deng, certainly, when the quantity of heart yearn unit 1 is less than 3, the gap between the heart yearn unit 1 of trigonum 3 and annulus 4 is minimum, Now, the heart yearn unit 1 being positioned at center is increased by the probability of outside mechanicals efforts；When the quantity of heart yearn unit 1 is more than 3 Individual, e.g. 4, now, the distance between the heart yearn unit 1 of trigonum 3 and annulus 4 is relatively big, the heart yearn list in trigonum 3 Unit 1 is reduced by the probability of outside mechanicals efforts, but, the composition of 4 heart yearn unit 1 is unstable, takes this, the present embodiment The heart yearn unit 1 of the claimed trigonum 3 in technical scheme is preferably arranged to 3.

The quantity of the heart yearn unit 1 of annulus 4 can be according to the requirements set of actual production life, it is preferable that annulus 4 The quantity of heart yearn unit 1 is set to 10.Refer to Fig. 1, the annular that one of them heart yearn unit 1 of trigonum 3 is adjacent A heart yearn unit 1 in district 4 is tangent, two in the annulus 4 that two other heart yearn unit 1 of trigonum 3 is adjacent Heart yearn unit 1 is tangent.

It should be pointed out that, that above is only the preferred implementation of the present embodiment, for those of ordinary skills, not On the premise of departing from the present embodiment principle, it is also possible to making some improvements and modifications, these improvements and modifications also should be regarded as this reality Execute the protection domain of example.Such as, the quantity of the heart yearn unit 1 in annulus 4 could be arranged to 6,8,12 etc..

Trocar sheath 2 is disposed with binding layer 21, cushion 22, screen layer 23 and overcoat 24 from the inside to the outside.

The inner periphery of binding layer 21 offsets with the heart yearn unit 1 of annulus 4, and binding layer 21 is by having resilient material system Becoming, the elastic acting force of binding layer 21 provides a contining function power to the multiple heart yearn unit 1 in annulus 4 so that multiple core Line unit 1 is in close contact.

In the alternative of this embodiment, binding layer 21 is made by having resilient resin material, and resin material preferably sets It is set to PET (polyethylene terephthalate), PET amount light, and good weatherability, it is possible to be pointed within binding layer 21 is multiple Heart yearn unit 1 plays good protective action.

In the alternative of this embodiment, it is outside that binding layer 21 is sleeved on whole heart yearn unit 1 in the way of winding.Specifically , it being positioned at the binding layer 21 outside whole heart yearn unit 1 and could be arranged to string configuration, it is around the axis of flexible cable 5 Carry out spiral wrap, until the outer surface of whole heart yearn unit 1 in overlay length direction.It should be noted that with winding side The binding layer 21 that formula is centered around outside whole heart yearn unit 1 overlaps, it is ensured that all of heart yearn unit 1 is all tied layer 21 Cover.

Further, the thickness of binding layer 21 is preferably more than 4um, below 6um, this is because when the thickness of binding layer 21 When degree is less than 4um, binding layer 21 is susceptible to breakage, when the thickness of binding layer 21 is more than 6um, and the overall thickness of flexible cable 5 Spend big, when bending easily with around cable occur to disturb and cause the breakage of self.

It is outside that cushion 22 is arranged on binding layer 21, is provided with circular passage in cushion 22.It is provided with in circular passage Multiple flexible balls 221, multiple flexible balls 221 can roll in cushion 22.

In the alternative of this embodiment, the material of cushion 22 can be but be not limited to resin material, resin material It is preferably arranged to PET (polyethylene terephthalate), PET amount light, and good weatherability, it is possible to carry out well with binding layer 21 Coupling.

It should be noted that and be coated with bonding agent between cushion 22 and binding layer 21, cushion 22 and binding layer 21 lead to Crossing bonding agent bonding, the bonding agent of the technical scheme that the present embodiment is claimed is preferably arranged to the polyesters hot melt that cementability is high Property bonding agent.

Flexible ball 221 is arranged in the circular passage of cushion 22, and flexible ball 221 is provided with multiple, multiple flexibilities Ball 221 can roll in cushion 22.Arrange between ball and ball and be reserved with space.In the alternative of this embodiment, Flexible ball 221 is shaped to spherical, certainly, elliposoidal or other shapes flexible ball 221 also should be in this reality Execute within the scope of the technical scheme that example is claimed.Preferably, flexible ball 221 is set to spherical, spherical flexible ball The good fluidity of 221, is easier in circular passage roll.Elliposoidal ball mobility is poor, but stability is preferable, elliposoidal Ball may be uniformly dispersed in circular passage.The material of flexible ball 221 is preferably arranged to rubber.Elastomeric material is a kind of light Amount material, and its pliability is good, and when by External Force Acting, rubber can play buffering and acted on, it is to avoid wire 11 is by outside Mechanicals efforts and sustain damage.

Cushion 22 is accessible to be had the beneficial effects that: when flexible cable 5 is by external mechanical influence power, cushion 22 Interior flexible ball 221 deforms upon to absorb applied external force, it is to avoid external mechanical influence power continues to be delivered to flexible cable 5 Heart yearn unit 1 in, when outside mechanicals efforts disappears, the flexible ball 221 in cushion 22 is returned to initial condition.

Further, the thickness of cushion 22 is preferably more than 4um, below 6um, this is because when the thickness of cushion 22 When degree is less than 4um, cushion 22 is susceptible to breakage, when the thickness of cushion 22 is more than 6um, and the overall thickness of flexible cable 5 Spend big, when bending easily with around cable occur to disturb and cause the breakage of self.

It is outside that screen layer 23 is sheathed on cushion 22, and in the alternative of this embodiment, screen layer 23 is compiled by multiple wire rods Knit and form, the wire rod used as screen layer 23, it is preferably arranged to copper foil wire, copper foil wire is not susceptible to fracture when bending, Wherein, the central hair of copper foil wire is made up of polyester or aromatic polyamides etc., and its outer surface is provided with the foil-like being wound around in the shape of a spiral Copper sheet

Overcoat 24 is made up of medical insulating resin.So-called medical insulating resin be avirulence, with organism Resin that will not cause the allergic symptoms such as inflammation during contact, that there is organism adaptability (biocompatibility is strong), also referred to as Medical resin, the resin of medical grade.In the present embodiment, the medical insulating resin used as overcoat 24, It is preferably arranged to the PVC (polrvinyl chloride) of medical grade.

It should be noted that the manufacture method of the flexible cable 5 of this embodiment offer, comprise the following steps:

Step S1, draws out copper conductor 11 by wire-drawing die；

Step S2, carries out annealing to improve toughness after being heated by the copper conductor 11 in step S1；

Step S3, utilizes on extrusion moulding copper conductor 11 in step s 2 coating rubber with prepared heart yearn unit 1；

Step S4, stranded three heart yearn unit 1 are to form trigonum 3, and stranded many heart yearn unit 1 also make many heart yearn lists Unit 1 around trigonum 3 annular array to form annulus 4, annulus 4 outer cladding trocar sheath 2.

What the flexible cable 5 that this embodiment provides can reach has the beneficial effects that: on the one hand, owing to heart yearn unit 1 has Wire 11 and the elastic layer 12 being coated on outside wire 11 form, and elastic layer 12 is preferably arranged to rubber, the elastic layer of quality of rubber materials 12 can play buffering when flexible cable 5 is by external mechanical influence power is acted on.On the other hand, due in trocar sheath 2 extremely It is disposed with outward binding layer 21, cushion 22, screen layer 23 and overcoat 24, in cushion 22, is provided with circular passage, ring Being filled with flexible ball 221 in shape passage, flexible ball 221 is preferably arranged to spherical or the rubber ball of elliposoidal, rubber Ball can play acting on of buffering when flexible cable 5 is by the mechanicals efforts of outside, prevents the core within flexible cable 5 Line unit 1 sustains damage.In conjunction with two above aspect, the flexible cable 5 that the present embodiment provides can increase the toughness of cable, keep away Exempt from cable to fracture when bending.

Embodiment 2

Present embodiments provide the terminal unit of a kind of flexible cable 5 utilizing embodiment 1, including: flexible cable 5, base Plate 6, probe 7 and connecting portion 8.

Probe 7 is set to have certain thickness semicircular structure, and the arch section of probe 7 is towards testee, probe 7 Straight line portion is connected with substrate 6, and connected mode is not limited to be flexibly connected or fixing connection, it is preferred that probe 7 blocks with substrate 6 Connecing, probe 7 is being provided with draw-in groove on the side of substrate 6.In the alternative of this embodiment, probe 7 still further comprises IRDS.Concrete, it is internal that IRDS is arranged at probe 7, and probe 7 is provided with near the end of testee Infrared detection head and signal receiving device, IRDS electrically connects with substrate 6, and IRDS receives control signal After, infrared detection head sends infrared ray, and infrared ray radiation to testee is also reflected on testee surface, and signal receives Device receives the infrared ray reflected, and signal is passed to the imaging system of outside, imaging system by flexible cable 5 It is preferably arranged to CCD imaging system.

Substrate 6 is set to plate-like structure, and substrate 6 can be such as but be not limited to PCB or FPC, and substrate 6 is integrated with Circuits System and control system.The two ends of substrate 6 are connected with flexible cable 5 and probe 7 respectively, and one end of substrate 6 is provided with many The individual draw-in groove for connecting heart yearn unit 1.

Connecting portion 8 includes that multiple heart yearn unit 1, described heart yearn unit 1 one end connect with described flexible cable 5, described core Line unit 1 other end connects with described substrate 6.The heart yearn unit 1 of connecting portion 8 is connected in the draw-in groove on substrate 6, flexible cable 5 signals of telecommunication passed over, control signal pass to substrate 6, by the integrated circuit on substrate 6 and control by heart yearn unit 1 After system processed processes, signal passing to pop one's head in 7, probe 7 launches infrared light after receiving control signal, and testee will Infrared light reflection returns probe 7, and the process of the control system through probe 7, and by flexible cable 5, signal is passed to outside Image processing apparatus.

The present embodiment is the terminal unit prepared on the basis of embodiment 1, the flexible cable 5 prepared due to embodiment 1 Add the toughness of cable, it is to avoid cable fractures when bending.Thus, the terminal unit good toughness that the present embodiment provides, And the generation of the problem of fractureing can be avoided when bending.

Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new The scope of type each embodiment technical scheme.

Claims (10)

1. a flexible cable, it is characterised in that include multiple heart yearn unit (1) and be used for being coated with multiple described heart yearn unit (1) trocar sheath (2), described heart yearn unit (1) includes wire (11) and is coated with the elastic layer (12) of described wire (11), described Trocar sheath (2) is disposed with binding layer (21), cushion (22), screen layer (23) and overcoat (24) from the inside to the outside, described Between binding layer (21) with described cushion (22) bonding, bonding between described cushion (22) with described screen layer (23), institute State between screen layer (23) and described overcoat (24) bonding, be provided with flexible ball (221) in described cushion (22) to carry The toughness of high cable, is positioned at three heart yearn unit (1) in the middle part of cable and forms trigonum (3), is positioned at trigonum (3) outward multiple Heart yearn unit (1) annular array forms annulus (4).

A kind of flexible cable the most according to claim 1, it is characterised in that be provided with annular in described cushion (22) logical Road.

A kind of flexible cable the most according to claim 2, it is characterised in that be provided with multiple flexibility in described circular passage Ball (221), multiple described flexible balls (221) can roll in cushion (22).

A kind of flexible cable the most according to claim 3, it is characterised in that the material of described flexible ball (221) is rubber Glue.

A kind of flexible cable the most according to claim 4, it is characterised in that the material of described wire (11) is copper.

A kind of flexible cable the most according to claim 5, it is characterised in that the material of described elastic layer (12) is rubber.

A kind of flexible cable the most according to claim 6, it is characterised in that the heart yearn unit (1) in described annulus sets It is equipped with 10.

8. the terminal unit of the flexible cable utilized described in any one of claim 1-7, it is characterised in that: include flexible electrical Cable (5), substrate (6), probe (7) and connecting portion (8), described flexible cable (5) is by described connecting portion (8) and described substrate (6) connecting, described substrate (6) is connected with described probe (7) away from one end of described connecting portion (8).

Terminal unit the most according to claim 8, it is characterised in that described substrate (6) is near described flexible cable (5) One end is provided with multiple draw-in groove for connecting heart yearn unit (1), described probe (7) and described substrate (6) clamping.

Terminal unit the most according to claim 9, it is characterised in that described connecting portion (8) includes multiple heart yearn unit (1), described heart yearn unit (1) one end connects with described flexible cable (5), described heart yearn unit (1) other end and described substrate (6) connection.