CN202839045U - Probe cable - Google Patents

Probe cable Download PDF

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Publication number
CN202839045U
CN202839045U CN 201220400622 CN201220400622U CN202839045U CN 202839045 U CN202839045 U CN 202839045U CN 201220400622 CN201220400622 CN 201220400622 CN 201220400622 U CN201220400622 U CN 201220400622U CN 202839045 U CN202839045 U CN 202839045U
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CN
China
Prior art keywords
stretching resistance
fixed
resistance body
equal
sheath
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Expired - Fee Related
Application number
CN 201220400622
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Chinese (zh)
Inventor
田中正人
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Sumitomo Electric Industries Ltd
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Sumitomo Electric Industries Ltd
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Abstract

The utility model provides a probe cable which is capable of maintaining high reliability and has excellent tension resistance. The probe cable (1) comprises a multi-core cable (4). The multi-core cable (4) comprises a plurality of fine wires (10), tension resistance fibers (18) configured along the fine wires (10) and a sheath (3) covering around the fine wires (10) and the tension resistance fibers (18). The tension resistance fibers (18) are made of aromatic polyamide fibers which are greater than or equal to 1600 denier. The fine wires (10) and the tension resistance fibers (18) expose from an end of the sheath (3) on an end of the multi-core cable (4). A fixed part (24) is fixed on an end of the sheath (3). The part of the tension resistance fibers (18) exposed from the sheath (3) is fixed on the fixed part (24) in a tension state of the tension-resistance fibers.

Description

Probe cable
Technical field
The utility model relates to a kind of probe cable that uses in Medical Devices etc.
Background technology
As the bunch of cables that in Medical Devices or measuring equipment etc., uses, use the multicore cable of many heart yearns with thin footpath.The end structure of known a kind of above-mentioned bunch of cables, that is, the crust that is configured in multicore cable by the fixed part with ring-type is also riveted the formation hexagon on every side, thereby many heart yearns and crust is fixed integratedly (for example, with reference to patent documentation 1).
Patent documentation 1: TOHKEMY 2009-110888 communique
The utility model content
When using diagnostic ultrasound equipment, the probe that sometimes is arranged on the probe cable end is firmly pulled, and probe cable is applied excessive pulling force.Like this, as noted above only to being configured in fixed part riveted joint around the crust in hexagonal situation, might so that the heart yearn of crust inside slide with respect to crust.If generation heart yearn as implied above slides, then might produce the problem such as connector in the probe comes off, transmission fault and cause reliability to reduce.
The purpose of this utility model is to provide a kind of probe cable of keeping high reliability and stretch-resistance excellence.
Can solve the probe cable of the present utility model of above-mentioned problem, it has multicore cable, and this multicore cable has: many thin footpath electric wires; The stretching resistance body, it disposes along described thin footpath electric wire; And sheath, it covers around described thin footpath electric wire and the described stretching resistance body,
This probe cable is characterised in that,
As described stretching resistance body, use the aromatic polyamide fibre more than or equal to 1600 daniers,
In the end of described multicore cable, expose described thin footpath electric wire and described stretching resistance body from the end of described sheath, and be fixed with fixed part in the end of described sheath,
The part that described stretching resistance body exposes from described sheath so that the state of stretching resistance body tensioning be fixed on the described fixed part.
The effect of utility model
According to the utility model, because as the aromatic polyamide fibre of stretching resistance body use more than or equal to 1600 daniers, and the state of this stretching resistance body with tensioning be fixed on the fixed part, therefore, even at multicore cable effect tensile force, also can suppress to apply pulling force to thin footpath electric wire or sheath, thereby prevent reliably the carefully directly slip of electric wire or sheath.Thus, can prevent following problems, that is, thin footpath electric wire slides and the connector in the probe is come off, and transmission fault occurs.That is, on one side can keep high reliability, Yi Bian significantly improve stretch-resistance.
Description of drawings
Fig. 1 is the end view of an execution mode of the related probe cable of expression the utility model.
Fig. 2 is the end view that the strain relief of the terminal part office of the probe side of the probe cable of Fig. 1 and probing shell are analysed and observe observation.
Fig. 3 is the general profile chart of the multicore cable that describes of the structure to the multicore cable in the probe cable of Fig. 1.
Fig. 4 is the fixed part end view of the fixed condition of expression stretching resistance fiber.
Fig. 5 is the fixed part oblique view of the fixed condition of expression stretching resistance fiber.
Fig. 6 is the end view of situation of the evaluation test of expression probe cable.
Fig. 7 represents other fixture constructions of stretching resistance fiber, is the end view of the terminal part office of probe side.
Fig. 8 represents other fixture constructions of stretching resistance fiber, is the oblique view of the terminal part office of probe side.
Embodiment
Below, with reference to accompanying drawing, the example of the execution mode of probe cable that the utility model is related and manufacture method thereof is described.
As shown in Figure 1, the related probe cable 1 of the utility model is connected with the housing 2 of Medical Devices such as the bunch of cables that is used as the Medical Devices such as diagnostic ultrasound equipment.One side end of this probe cable 1 is connected with probe P as supersonic detector.
As shown in Figure 2, probe cable 1 has multicore cable 4, and this multicore cable 4 has many of thin footpath thin footpath electric wires 10, will many thin footpath electric wire 10 harnesses, utilize the sheath 3 of tubulose cover many carefully directly electric wires 10 around.
In the end of multicore cable 4 strain relief 5 is installed, utilizes bonding and fixing between multicore cable 4 and the strain relief 5.In this strain relief 5 probing shell 6 that consists of probe P is installed, is covered the end of multicore cable 4 by probing shell 6.
As shown in Figure 3, multicore cable 4 for example has 12 wire unit 7A and 3 wire unit 7B.Electric wire unit 7A is stranded 16 thin footpath electric wires 10 and consisting of, and electric wire unit 7B is stranded 2 electric wires 10 and consisting of directly carefully.That is, multicore cable 4 is 198 core cables with 198 thin footpath electric wires 10.In addition, the thin directly quantity of electric wire 10 is not limited to 198.In this multicore cable 4, the resin strip 8 of around the bundle section of electric wire unit 7A, 7B, reeling, and in the periphery of resin strip 8 screen 9 is set.And, be coated with sheath 3 in the periphery of this screen 9.
This multicore cable 4 contains the stretching resistance fiber (stretching resistance body) 18 that is formed by aromatic polyamide fibre with the line density more than or equal to 1600 daniers around each electric wire unit 7A, 7B, this stretching resistance fiber 18 arranges as the crow flies along thin footpath electric wire 10.In addition, preferably with the line density that is less than or equal to 4300 daniers more than or equal to 1600 daniers this stretching resistance fiber 18 is set.
Thin footpath electric wire 10 is based on AWG(American Wire Gauge) AWG40 of standard or thinner coaxial cable, its external diameter forms and is less than or equal to about 0.4mm.Thin footpath electric wire 10 is formed by coaxial cable, has at the periphery order of the center conductor structure by insulating barrier, external conductor and crust covering.In addition, multicore cable 4 can also contain the insulated cable with external conductor except containing many coaxial cables.
As shown in Figure 2, multicore cable 4 is removed sheath 3 in the end and is exposed many thin footpath electric wires 10.Be connected with connector (omitting diagram) in the end of the thin footpath electric wire 10 that exposes, this connector is connected with the connector (omitting diagram) of the ultrasound examination section side that is arranged on probing shell 6 inboards.
Strain relief 5 has: plastic protective cover 12, and it forms tubulose, and the end is formed with the bulge 11 towards the hole enlargement of end face side; And metal metalwork 13, it is installed on the protective cover 12 in the mode that the end face from this protective cover 12 protrudes.Metalwork 13 has: the base portion 15 of tubular, and it is included in the inside of protective cover 12; The restriction section 16 of apertureddise shape, its outside diameter and internal side diameter to this base portion 15 protrudes; And the resettlement section 17 of tubular, its opposition side to base portion 15 under observing from this restriction section 16 protrudes.The internal diameter of restriction section 16 is slightly larger than the external diameter of multicore cable 4.
By holding section 21 is chimeric with the slot 20 of the ring-type of strain relief 5, thereby probing shell 6 engages with strain relief 5, and wherein, slot 20 is formed between the outside diameter and protective cover 12 of restriction section 16 of metalwork 13.
In the related ultrasonic probe cable 1 of present embodiment, around the end of the sheath 3 of multicore cable 4, dispose the fixed part 24 of the metal ring-types such as copper.
Fixed part 24 has: fastening part 25, and it forms cylindric; And flange part 26, it is positioned at the distolateral of fastening part 25, protrudes to outer circumferential side.25 periphery is formed with external screw thread 25a in the fastening part.In addition, this fastening part 25 forms slit (omitting diagram) vertically at circumferential a plurality of positions.On the fastening part 25 of this fixed part 24, from the end side relative with flange part 26 dead ring 27 is installed.Inner peripheral surface at this dead ring 27 is formed with internal thread 27a, and 25 external screw thread 25a screws togather to the fastening part by making this internal thread 27a, thereby dead ring 27 is installed on the fastening part 25.If 25 install dead ring 27 in the fastening part, then the interval of the slit of fastening part 25 narrows down, fastening part 25 undergauges.That is, with the central side pressurization of fastening part 25 to multicore cable 4, thereby securely be fixed on the end of multicore cable 4.
Be fixed on the inboard of resettlement section 17 that dead ring 27 on the multicore cable 4 is housed in the metalwork 13 of strain relief 5.And, the internal side diameter part butt of this dead ring 27 and restriction section 16, thus limit this dead ring 27 to the movement of protective cover 12 sides.
In addition, on the flange part 26 of fixed part 24, a plurality of screw 26a upwards being formed with across the interval in week vertically are screwed into the screw 32 that passes pad 31 in these screws 26a.To be split as from the stretching resistance fiber 18 that the sheath 3 of multicore cable 4 is pulled out many groups and harness respectively, above-mentioned stretching resistance fiber 18 is wound on the screw 32 that is screwed among the screw 26a by the bundle section after splitting and is fixed.In addition, the stretching resistance fiber 18 that is split as multi beam utilizes the band section 33 that sticks on its front end, carries out boundling so that they can not scatter.
In addition, stretching resistance fiber 18 is fixed on the fixed part 24 to have applied the state that is less than or equal to the pulling force of 150N more than or equal to 130N, thus, becomes the state with respect to multicore cable 4 tensionings.
After probing shell 6 is fixing with multicore cable 4 to extracting in the situation that direction (among Fig. 2 right-hand) pulls, fixed part 24 limits the movement of multicore cable 4 with metalwork 13 butts.Thin footpath electric wires 10 in the probing shell 6 can not be continued to pull, and can not make excessive power be applied to thin footpath electric wire 10 or are positioned on the connector of thin footpath electric wire 10 front ends and cause their to damage.In with probing shell 6 situation that left pulls in Fig. 2, also in the same manner because fixed part 24 and metalwork 13 butts, thereby prevent that excessive power is applied to thin footpath electric wire 10 or is positioned on the connector of thin footpath electric wire 10 front ends.
Stretching resistance fiber 18 in the same manner as described above, is fixed with respect to being arranged on the fixed part 24 on the joint 1a that is connected with housing 2 in the connection side that is connected with housing 2 of probe cable 1.In addition, in the situation of the structure that probe cable 1 is directly drawn from housing 2, stretching resistance fiber 18 is fixed on the fixed part 24 of housing 2 sides.
In the situation that the end that carries out above-mentioned ultrasonic probe cable 1 is processed, at first, dead ring 27 and fixed part 24 are passed in the end of multicore cable 4.In addition, the end side in that probing shell 6 is installed before passing dead ring 27 and fixed part 24, makes multicore cable 4 pass strain relief 5 in advance, and the end of multicore cable 4 is protruded from metalwork 13.
Then, sheath 3 is cut off and the removal specific length, many thin footpath electric wires 10 and stretching resistance fiber 18 are exposed.
Then, fixed part 24 is configured in the position of the end of sheath 3, dead ring 27 is fastening with the fastening part 25 of fixed part 24.Thus, fixed part 24 is fixed on the place, end of sheath 3.On the end side of multicore cable 4, also be fixed with fixed part 24 for fixing stretching resistance fiber 18 etc.
Under the state of the pulling force that has applied 130N to 150N to stretching resistance fiber 18, the end of stretching resistance fiber 18 is fixed on the flange part 26 of fixed part 24.In the situation of fixing stretching resistance fiber 18, at first, on flange part 26 grades with a distolateral fixed part 24 that is fixed on a side of stretching resistance fiber 18.Then, by pulling the other end of this stretching resistance fiber 18, apply the pulling force of 130N to 150N with respect to multicore cable 4 to stretching resistance fiber 18, stretching resistance fiber 18 is fixed on fixed part 24 grades of opposite side.
To fixed part 24 fixedly during stretching resistance fiber 18, at first, as shown in Figure 4, so that form the mode in gap between pad 31 and the flange part 26, be screwed into mounting screw 32 to the screw 26a of flange part 26, this screw 32 is fixed on the flange part 26.Then, as shown in Figure 5, reeling between the pad 31 on the screw 32 and the flange part 26 for 1 week about half by making the stretching resistance fiber 18 that is applied with pulling force, thereby stretching resistance fiber 18 is nipped between pad 31 and the flange part 26 and be fixed.At this moment, the mode of the resin strip 8 of multicore cable 4 is firmly turned back stretching resistance fiber 18 so that stretching resistance fiber 18 is nipped.In addition, also can be on being wound on screw 32 after, utilize bonding agent that the position that stretching resistance fiber 18 is wound on the screw 32 is adhesively fixed.In addition, can screw 32 be adhesively fixed on the flange part 26 yet, but behind coiling stretching resistance fiber 18, be screwed into screw 32, utilize pad 31 and flange part 26 that stretching resistance fiber 18 is gripped.Utilize bonding agent that screw 32 is fixed on the fixed part 24.
In addition, in the connection side to the P that pops one's head in, after connecting connector to the thin footpath electric wire 10 that exposes from sheath 3, adhesive-applying on the part of exposing from strain relief 5 of sheath 3, and multicore cable 4 is moved to extracting direction with respect to strain relief 5.Like this, dead ring 27 is housed in the resettlement section 17 of metalwork 13 of strain relief 5, and with restriction section 16 butts of metalwork 13, thereby can limit multicore cable 4 with respect to the movement on the direction of extracting of strain relief 5.Under this state, bonding agent is entered between sheath 3 and the strain relief 5, under this state, make the binding agent sclerosis.
In addition, in above-mentioned cable assembly probing shell 6 is installed.Specifically, the thin footpath electric wire 10 that will be connected with connector makes holding section 21 engage with the slot 20 of the ring-type of strain relief 5 in the 21 insertion probing shells 6 of holding section, and wherein, this slot 20 is between the restriction section 16 and protective cover 12 of metalwork 13.And the connector in making the connector that is connected on the thin footpath electric wire 10 and being arranged on probing shell 6 is connected.
When using diagnostic ultrasound equipment, the probe P that sometimes is arranged on the end of probe cable 1 is firmly pulled, and has applied excessive pulling force at probe cable 1, and in recent years, it is strict that the requirement of stretch-resistance becomes.Specifically, even require to have applied the pulling force of about 100N, about the slip of the thin footpath electric wire 10 of probe P side will suppress for maximum 2mm.
In the present embodiment, as stretching resistance fiber 18, use is more than or equal to the aromatic polyamide fibre of 1600 daniers, this stretching resistance fiber 18 has been applied the pulling force of 130N to 150N and be fixed on the fixed part 24 with the state of tensioning, therefore, even act on tensile force at multicore cable 4, also can prevent reliably the slip of thin footpath electric wire 10 or sheath 3.Thus, can prevent following problems, that is, thin footpath electric wire 10 slides and the connector in the probe P is come off, and transmission fault occurs.That is, significantly improve stretch-resistance while can keep high reliability.
In addition, in the above-described embodiment, by making dead ring 27 fastening with the fastening part 25 of fixed part 24, thereby fixed part 24 is fixed on the sheath 3 of multicore cable 4, but also can fixed part 24 is fixed on the sheath 3 of multicore cable 4 by the fastening part 25 of fixed part 24 is riveted.
Be that 5.9mm and external diameter are that the probe cable 1 of the multicore cable 4 of 8.5mm is estimated for the internal diameter with screen 9, wherein, this multicore cable 4 has the thin footpath electric wire 10 of 204 AWG 40 and AWG 42.
Specifically, as shown in Figure 6, the P that will pop one's head in towards fixing, at probe cable 1 and end mounting spring scale 40 probe P opposition side, on one side by spring scale 40 sensing leads, applied the tensile force of 100N on one side with level to probe cable 1 in 1 minute.Then, unload the probing shell 6 of probe P, confirm thin footpath electric wire 10 and sheath 3 has fricton-tight and stretching resistance fiber 18 has or not breakage.
Putting into the stretching resistance fiber 18 that formed by aromatic polyamide fibre with the line density of 1600 daniers and carrying out in the fixing situation at two ends with the state of tensioning, thin footpath electric wire 10 and sheath 3 do not slide, and in addition, stretching resistance fiber 18 does not have breakage.In addition, even putting into stretching resistance fiber 18 with the line density of 2840 daniers and carrying out in the fixing situation at two ends with the state of tensioning, thin footpath electric wire 10 and sheath 3 do not slide yet, and in addition, stretching resistance fiber 18 does not have breakage yet.
Relative therewith, putting in the situation of stretching resistance fiber 18 with the line density of 1420 daniers, even fix at two ends with the state of tensioning, also cause thin footpath electric wire 10 and sheath 3 to slide, or stretching resistance fiber 18 produce damaged.In addition, even putting into stretching resistance fiber 18 with the line density of 2840 daniers, but in the situation that stretching resistance fiber 18 relaxes, thin footpath electric wire 10 and sheath 3 can slide.
According to this situation as can be known, multicore cable 4 for probe cable 1, use the stretching resistance fiber 18 that is formed by the aromatic polyamide fibre more than or equal to 1600 daniers as the stretching resistance body, and this stretching resistance fiber 18 is fixed on the fixed part 24 with the state of tensioning gets final product.
Below, other fixed form example in the end of multicore cable 4 is described.
In fixture construction shown in Figure 7, reel as the metal tape 41 of fixed part at the front end of strain relief 5, by this metal tape 41 of reeling, strain relief 5 is fixed on the sheath 3 of multicore cable 4.In this fixture construction, turn back under the state of the stretching resistance fiber 18 that exposes from sheath 3 with the pulling force that applied 130N to 150N, be wound on the projection 42 of junction of metal tape 41 and be fixed.
Fixture construction shown in Figure 8 is at the fixing example of stretching resistance fiber of the fixed part of probing shell.Sectional fixture 51 on strain relief 5.These anchor clamps 51 are fixed on the fixture bracket 52.Fixture bracket 52 is fixed parts of probing shell.Be screwed into screw 54 at fixture bracket 52.And the stretching resistance fiber 18 that exposes from sheath 3 is wound on the screw 54 with the state of the pulling force that applied 130N to 150N, is fixed under the state in the gap between pad 55 and the fixture bracket 52 of nipping.In addition, paste padded coamings 56 at fixture bracket 52, prevent that stretching resistance fiber 18 from contacting with fixture bracket 52 and the breakage that causes.

Claims (9)

1. probe cable, it has multicore cable, and this multicore cable has: many thin footpath electric wires; The stretching resistance body, it disposes along described thin footpath electric wire; And sheath, it covers around described thin footpath electric wire and the described stretching resistance body,
This probe cable is characterised in that,
As described stretching resistance body, use the aromatic polyamide fibre more than or equal to 1600 daniers,
In the end of described multicore cable, expose described thin footpath electric wire and described stretching resistance body from the end of described sheath, and be fixed with fixed part in the end of described sheath,
The part that described stretching resistance body exposes from described sheath so that the state of stretching resistance body tensioning be fixed on the described fixed part.
2. probe cable according to claim 1 is characterized in that,
Described stretching resistance body is the aromatic polyamide fibre that is less than or equal to 4300 daniers.
3. probe cable according to claim 1 and 2 is characterized in that,
Described fixed part has: the fastening part, and it forms cylindric; And flange part, it distolaterally protrudes to outer circumferential side in one of this fastening part,
Be screwed into screw in described flange part, described stretching resistance body is wound on the described screw and is fixed.
4. probe cable according to claim 3 is characterized in that,
The position that described stretching resistance body is wound on the described screw utilizes bonding agent to fix.
5. probe cable according to claim 3 is characterized in that,
Described screw is a plurality of,
Described stretching resistance body is wound on each screw and is fixed.
6. probe cable according to claim 1 and 2 is characterized in that,
Described stretching resistance body is to be fixed under the state that has applied the pulling force that is less than or equal to 150N more than or equal to 130N.
7. probe cable according to claim 3 is characterized in that,
Described stretching resistance body is to be fixed under the state that has applied the pulling force that is less than or equal to 150N more than or equal to 130N.
8. probe cable according to claim 4 is characterized in that,
Described stretching resistance body is to be fixed under the state that has applied the pulling force that is less than or equal to 150N more than or equal to 130N.
9. probe cable according to claim 5 is characterized in that,
Described stretching resistance body is to be fixed under the state that has applied the pulling force that is less than or equal to 150N more than or equal to 130N.
CN 201220400622 2011-08-11 2012-08-13 Probe cable Expired - Fee Related CN202839045U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-175490 2011-08-11
JP2011175490A JP5699850B2 (en) 2011-08-11 2011-08-11 Probe cable and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN202839045U true CN202839045U (en) 2013-03-27

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Application Number Title Priority Date Filing Date
CN 201220400622 Expired - Fee Related CN202839045U (en) 2011-08-11 2012-08-13 Probe cable

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JP (1) JP5699850B2 (en)
CN (1) CN202839045U (en)
AT (1) AT13750U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116779225A (en) * 2023-07-12 2023-09-19 苏州良沃电子科技有限公司 Anti-off-line probe communication cable and processing technology thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017124028A1 (en) * 2017-10-16 2019-04-18 Phoenix Contact E-Mobility Gmbh Cable assembly with a cooling line and strain relief

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Publication number Priority date Publication date Assignee Title
JPS5683704A (en) * 1979-12-13 1981-07-08 Nippon Telegr & Teleph Corp <Ntt> Self-supporting type optical fiber cable
FR2678763A1 (en) * 1991-07-02 1993-01-08 Thomson Csf Connection cable, especially for an intracavitary probe
US5751879A (en) * 1995-12-28 1998-05-12 Lucent Technologies Inc. Wound optical fiber cable including robust component cable(s) and a system for manufacture of the cable
JP3325784B2 (en) * 1996-10-15 2002-09-17 ジーイー横河メディカルシステム株式会社 Ultrasonic probe
JPH10326527A (en) * 1997-05-26 1998-12-08 Sumitomo Electric Ind Ltd Moving cable
JP3152666U (en) * 2009-05-29 2009-08-06 住友電気工業株式会社 cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116779225A (en) * 2023-07-12 2023-09-19 苏州良沃电子科技有限公司 Anti-off-line probe communication cable and processing technology thereof

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AT13750U1 (en) 2014-08-15
JP5699850B2 (en) 2015-04-15
JP2013038033A (en) 2013-02-21

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130327

Termination date: 20200813

CF01 Termination of patent right due to non-payment of annual fee