CN100576633C - Wire-connecting device - Google Patents

Wire-connecting device Download PDF

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Publication number
CN100576633C
CN100576633C CN200610153947A CN200610153947A CN100576633C CN 100576633 C CN100576633 C CN 100576633C CN 200610153947 A CN200610153947 A CN 200610153947A CN 200610153947 A CN200610153947 A CN 200610153947A CN 100576633 C CN100576633 C CN 100576633C
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China
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wire
coaxial cable
connecting device
fixed part
pressure contact
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CN1941507A (en
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大沼雅则
坂口忠久
内田纯
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Yazaki Corp
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Yazaki Corp
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Abstract

A kind of wire-connecting device, but comprise tab terminal and thermal contraction part, this tab terminal is used to connect the inner wire of coaxial cable and the heart yearn of electric wire, but should thermal contraction part be used to cover this tab terminal at least and exposes side cut at the coaxial cable gauze at this tab terminal place.

Description

Wire-connecting device
The cross reference of related application
The application is based on Japanese patent application No.2005-292121 and No.2005-283396, and its content in this combination as a reference.
Technical field
The present invention relates to a kind of wire-connecting device, particularly have the wire-connecting device of tab terminal, this tab terminal is used for the inner wire of coaxial cable is electrically connected in the heart yearn of electric wire.
Background technology
Fig. 7 is the fragmentary, perspective view of traditional wire jockey.Fig. 8 is the decomposition diagram of wire-connecting device among Fig. 7.Shown in Fig. 7 and 8, wire-connecting device 100 comprises coaxial cable 110, lead 120, crimp contact 130, ground plate 140, housing 150, insulator 160.
Coaxial cable 110 for example is the cable that is used to be mounted on the antenna on the vehicle.Coaxial cable 110 is known to comprise inner wire 111, around the gauzes 112 of conductor 111, the insulator 113 that is inserted between conductor 111 and the gauze 112 and makes by for example polyethylene and around gauze 112 and the coating 114 made by for example synthetic resin.
Lead 120 comprises many heart yearns of being made by copper, aluminium or analog 121, and the insulator 122 that covers this heart yearn 121.Crimp contact 130 is formed by the metal hollow cylindrical body.In this cylinder, the inner wire 111 of coaxial cable 110 and the heart yearn of lead 120 121 face-to-face and crimping (crimp) be in the same place, thereby inner wire 111 and heart yearn 121 are electrically connected each other.
Ground plate 140 comprises roughly foursquare fixed head 141, and it for example forms by compacting conductive metal plate.Hole 142 is formed in the middle of the fixed head, is used for the unshowned screw of ground plate 140 usefulness in for example car body.Hollow cylindrical body 143 is formed on the edge of fixed head 141.The internal diameter of cylinder 143 is substantially equal to the external diameter of housing 150, thereby this housing 150 can insert this cylinder 143.Be used for the hole that ground plate 140 is welded in housing 150 is formed on the center of cylinder 143.
Housing 150 is hollow cylindrical bodies of being made by conductive metal.An opening 151 of housing 150 is made as littler than the internal diameter of housing 150.This insulator 160 is housed in this housing 150.This insulator 160 comprises from the first outwards outstanding cylinders 161 of opening 151, has greater than first cylinder 161 and be substantially equal to second cylinder 162 and the stage portion 163 between first and second cylinders 161,162 of the external diameter in footpath within the housing 150.
Next the assembled embodiment of this wire-connecting device 100 is described.At first, lead 120 inserts in succession and passes housing 150 and insulator 160.Then, coaxial cable 110 and lead 120 are inserted in the crimp contact 130, thereby heart yearn 121 and inner wire 111 are face-to-face in crimp contact 130.Then, crimp contact 130 is crimped, thereby coaxial cable 110 and lead 120 are electrically connected each other.
After coaxial cable 110 is inserted in the insulating sleeve 170, gauze 112 folding these sleeve pipes 170 that cover.Then, insulator 160 covers crimp contact 130, and housing 150 covers insulator 160, thus the edge of stage portion 163 contact openings 151.Therefore, when first cylinder was outwards outstanding from housing 150, insulator 160 was housed in the housing 150.Simultaneously, when housing 150 contact gauzes 112, coaxial cable 110 partly is housed in the housing 150.
The folding gauze 112 of coaxial cable 110 and the insulator 122 of lead 120 are crimped on together.Then, housing 150 is positioned at cylinder 143 inside, and scolder is admitted to the hole 144 of cylinder 143, thereby housing 150 and ground plate 140 are electrically connected each other.Therefore, the gauze 112 of coaxial cable 110 is connected to ground plate 140, and is connected in car body by ground plate 140.Subsidiary one carries, and does not have document to disclose this wire-connecting device 100.
In wire-connecting device 100, gauze 112 must be folding, otherwise short circuit is understood in the end of bursting forth of gauze 112, and the crimp strength between coaxial cable 110 and the lead 120 can reduce.In addition, coaxial cable 110 and lead 120 need be connected in cylinder 143, housing 150 and the insulator 160 of ground plate 140 usefulness.Need soldering in addition.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of wire-connecting device, it prevents that the bonding strength between coaxial cable 110 and the lead 120 from reducing, and reduces the quantity of its parts, and make connect and the ground connection process simple and easy.
In order to reach this purpose,, provide a kind of wire-connecting device according to the present invention.This wire-connecting device comprises tab terminal, and this tab terminal is used to connect the inner wire and the electric wire heart yearn of coaxial cable; But and the thermal contraction part, but thereby should be used for shrinking the side cut that covers tab terminal at least and be exposed to the coaxial cable gauze at tab terminal place by the thermal contraction part.
Preferably, but the thermal contraction part is transparent, so that it is inner as seen.
Preferably, this wire-connecting device also comprises ground plate.This ground plate has pressure contact portion, but this pressure contact portion is used for the gauze that crimping exposes from the thermal contraction part and is used for ground connection; And fixed part, this fixed part extends to be fixed on the counterpart from this pressure contact portion.
Preferably, this ground plate also comprises the clamping part of the coating that is used for clamping electric wire and coaxial cable, and is fixed and keeps the fixed part of coaxial cable and electric wire simultaneously.
Preferably, a pair of this clamping part extends from fixed part along coaxial cable and electric wire, and each described clamping part is identical with being set to of pressure contact portion.
Preferably, each clamping part have the extension that extends along coaxial cable and electric wire from fixed part, the base portion that extends from the edge-perpendicular of extension, grip block narrow and that extend from base portion and be arranged near the grip block recess than base portion.
According to the above, recess prevents the base portion distortion or breaks.
Preferably, the interval between the base portion of clamping part is narrower than the width of fixed part along coaxial cable and electric wire.
Description of drawings
These and other objects of the present invention, feature and advantage will become more apparent based on the detailed description of reading below in conjunction with appended accompanying drawing.
Fig. 1 is the fragmentary, perspective view that shows according to wire-connecting device of the present invention;
Fig. 2 is the decomposition diagram of wire-connecting device in the displayed map 1;
Fig. 3 is the top view of ground plate among Fig. 1;
Fig. 4 is the end view of ground plate among Fig. 3;
Fig. 5 is the schematic diagram of crimping wire-connecting device;
Fig. 6 is the schematic diagram of pressure contact portion with respect to the position of fixed part;
Fig. 7 is the fragmentary, perspective view that shows the traditional wire jockey; And
Fig. 8 is the decomposition diagram of wire-connecting device in the displayed map 7.
Embodiment
Wire-connecting device 1 according to the embodiment of the invention will make an explanation referring to figs. 1 to 6.
In Fig. 1 to 4, wire-connecting device 1 comprises coaxial cable 10, lead 20, tab terminal 30, ground plate 40, but and in order to coaxial cable 10 and lead 20 thermal contraction parts 50 connected to one another.
Coaxial cable 10 for example is to be connected in the cable that is installed in the antenna on the vehicle.As everyone knows, coaxial cable 10 comprises inner wire 11, the coating 14 of making and inserting the insulator 13 between conductor 11 and the gauze 12 and made and covered gauze 12 by for example synthetic resin around the gauze 12 of this conductor 11, by for example polyethylene.
Lead 20 comprises many heart yearns of being made by copper, aluminium or analog 21, and the coating 22 that covers heart yearn 21.Tab terminal 30 is the opening tubular terminals that are made of metal.In tab terminal 30, the inner wire 11 of coaxial cable 10 and the heart yearn of lead 20 21 also crimping each other face-to-face, thus inner wire 11 and heart yearn 12 are electrically connected each other.For example the various elements of hollow bushing or insulated tube can be used as tab terminal 30, as long as it can be electrically connected the inner wire 11 of coaxial cable 10 and the heart yearn 21 of lead 20 each other.
Ground plate 40 comprises and is arranged near the pressure contact portion 41 that is used for the gauze 12 of crimping coaxial cable 10 tab terminal 30; The clamping part 42,42 that is used for the coating 22 of the coating 14 of crimping coaxial cable 10 respectively and lead 20; And under the state of crimp type terminal 41,42,42 crimping gauzes 12 and coating 14,22, be fixed in for example conductivity fixed part 43 of car body.
Pressure contact portion 41 comprises connecting portion 411, a pair of base portion 412a, 412b and a pair of crimping piece 413a, 413b, and this pressure contact portion 41 is arranged on a side (being the left side among Fig. 1) of fixed part 43.Connecting portion 411 forms essentially rectangular, is extended to fixed part 43 and extends to coaxial cable 10 and lead 20 along the A direction among Fig. 1.The through hole 44 that is used for aftermentioned anvil and curler is formed near (Fig. 3) of connecting portion 411.
This to base portion 412a, 412b from the edge of fixed part 43 along A direction vertical extent.This is narrower and extend from base portion 412,412 than base portion 412,412 to crimping piece 413,413.Subsidiary one carries, and in the present embodiment, crimping piece 413,413 misplaces each other, thereby is not in contact with one another.Therefore, when this gauze 12 of crimping, the contact area between gauze and the crimping piece 413,413 is big, and this gauze 12 is ground connection effectively.
Connecting portion 411, this makes by the metallic plate that compacting is used for fixing portion 43 crimping piece 413,413 base portion 412,412 and this, as crimping or keep the terminal of gauze 12.
Each clamping part 42,42 comprises extension 421, a pair of base portion 422,422, a pair of grip block 423,423 and recess 424.Each extension 421 is connected in fixed part 43 and extends from the edge of fixed part 43.
This to base portion 422,422 from the edge of fixed part 43 along A direction vertical extent.This is narrower than base portion 422,422 to grip block 423,423 and extends from this base portion 422,422.Subsidiary one carries, and as pressure contact portion 41, grip block 423,423 misplaces each other, thereby is not in contact with one another.Therefore, crimping coating 14,22 o'clock, the contact area between coating 14,22 and the grip block 423,423 was big, and coaxial cable 10 and lead 20 be ground connection effectively.
Each recess 424 forms near the U-shaped otch the grip block 423.Subsidiary one carries, and recess 424 can form different shape, for example V-arrangement or square.In addition, in the present embodiment, recess 424 is formed on the roughly rectangular position, angle between base portion 422 and the grip block 423, is used to prevent shear.Yet recess 424 can be formed on obtuse-angulate position, this angle.Thereby when grip block 423 crimping, recess 424 prevents that base portion 422 from shearing.Therefore, crimping pressure can reduce and the crimping system can dwindle.
Extension 421, this makes by the metallic plate that compacting is used for fixing portion 43 grip block 423,423 base portion 422,422 and this, as being used for crimping and keeping the coating 22 of coaxial cable 10 and the terminal of the coating 22 of lead 20.
Shown in Fig. 3 and 4, the interval L between base portion on the A direction 422,422 is narrower than the width W of fixed part 43.Therefore, when grip block 423 crimping, base portion 422 prevents fixed part 43 distortion.
Subsidiary one carries, in the present embodiment, and coating 14 and one of clamping part 42 crimping, coating 22 and another clamping part 42 crimping.Yet, but thermal contraction part 50 is crimped, but maybe can being set, another clamping part 42 is used for this thermal contraction part 50 of crimping.
Fixed part 43 for example forms roughly square by compacting conductive metal plate.Hole 43a is formed on the centre of fixed part 43, is used for the unshowned screw of fixed part 43 usefulness in for example car body, so that fixed part 43 and pressure contact portion 41 ground connection.
But but thermal contraction part 50 is the insulation heat-shrinkable tube, and its inside comprises hot-melt adhesive.But should burst forth in order to prevent the gauze 12 that is exposed to tab terminal 30 by thermal contraction part 50, cover the side cut 12a and the tab terminal 30 of gauze 12, and do not cover the position of pressure contact portion 41 crimping.
But thermal contraction part 50 is transparent.Therefore, even but when thermal contraction part 50 covering side cut 12a and tab terminals 30, they also are visible, and the wire-connecting device 1 that defective wire-connecting device 1 for example disconnects can be eliminated.Because but thermal contraction part 50 covers side cut 12a, so folding gauze 12 is nonessential, thereby can reduce manufacturing cost.
But the bonding strength between thermal contraction part 50 decision coaxial cables 10 and the lead 20.Therefore, but but thermal contraction part 50 can come control connection intensity by the type or the size that change thermal contraction part 50.In addition, but because the existence of thermal contraction part 50, welding is nonessential for fixed part 43.Therefore, can reduce manufacturing cost and environmental pollution.
Next the embodiment of this wire-connecting device 1 is assembled in explanation.At first, inner wire 11 and heart yearn 21 are arranged on the tab terminal 30 Face to face.Then, this tab terminal 30 of crimping, thus coaxial cable 10 and lead 20 are electrically connected each other.
As shown in Figure 1, combination 2 is made up of coaxial cable 10 and lead 20, but the two covers by thermal contraction part 50.But this combination 2 is made by heating thermal contraction part 50, but should cover gauze 12, heart yearn 21, coating 22 and the tab terminal 30 that is positioned at side cut 12a place by thermal contraction part 50.
As shown in Figure 5, pressure contact portion 41 and clamping part 42,42 are arranged on the anvil 81 of terminal crimping machine (not shown).Subsidiary one carries, well-known, in the terminal crimping device, curler 82 is depressed to anvil 81 so that crimping piece 413,423,423 is crimped on coaxial cable 10 and lead 20.
In the present embodiment, combination is arranged on the ground plate 40, thereby but is positioned on the pressure contact portion 41 from the gauze 12 that thermal contraction part 50 comes out.Then, depress curler 82 gauze 12 is crimped on pressure contact portion 41 and coating 14,22 is crimped on clamping part 42,42.
Subsidiary one carries, and in the present embodiment, pressure contact portion 41 is arranged near one of them edge of fixed part 41.Yet the present invention is not limited only to this.This pressure contact portion 41 can be inserted in the optional position between the clamping part 42,42.
Fig. 6 is the schematic diagram of pressure contact portion 41 with respect to the position of fixed part 43.For fear of repetition, same parts will be represented and only illustrate with the foregoing description to compare difference by same Reference numeral.
As shown in Figure 6, pressure contact portion 41 is inserted in and this pressure contact portion 41 has between the clamping part 42,42 of same distance L1.Therefore, but be arranged on central authorities between the clamping part 42,42 of fixed part 43 from the gauze 12 that thermal contraction part 50 exposes.Therefore, combination 2 easily is located on the fixed part 43.
Therefore, the assembling flexibility is improved.For example, combination 2 can oppositely be arranged on the ground plate 40.In addition, the type of ground plate 40 can reduce and the versatility of ground plate 40 can be improved.Therefore, manufacturing cost can reduce.Subsidiary one carries, if pressure contact portion 41 is inserted in the central authorities between two edges 43a, the 43b, does not also have any problem for pressure contact portion 41.
In addition, in the present embodiment, pressure contact portion 41 and clamping part 42,42 these three parts are used for this combination 2 of crimping.Yet the quantity of clamping part 42 can increase and decrease.
In addition, in the present embodiment, the size of clamping part 42,42 differs from one another.Yet this size also can be identical.Thereby the versatility of the design flexibility of combination 2 and wire-connecting device 1 is improved.
In addition, in the present embodiment, but the external diameter of coaxial cable 10 and thermal contraction part 50 can be identical in certain error range.In this case, the crimping condition that is used for two clamping parts 42,42 is identical, and the combination of anvil 81 and curler 82 only is two kinds.Therefore, the versatility of maintainability and wire-connecting device 1 is improved.
In addition, in the present embodiment, adopt lead.Yet the present invention is not limited only to this.Can adopt various coaxial cables.In this case, but thermal contraction part 50 covers two side cut 12a of coaxial cable gauzes 12.
Though the present invention has carried out abundant description by means of the example with reference to appended accompanying drawing, is understandable that variations and modifications are conspicuous to those skilled in the art.Therefore, unless these variations and modification break away from the present invention's institute's restricted portion hereinafter, otherwise they will be believed to comprise therein.

Claims (6)

1, a kind of wire-connecting device comprises:
Tab terminal is used to connect the inner wire of coaxial cable and the heart yearn of electric wire;
But the thermal contraction part, thereby it is used for shrinking and covers this tab terminal at least and expose side cut at the coaxial cable gauze at this tab terminal place; And
Ground plate with fixed part and a pair of clamping part, described a pair of clamping part along coaxial cable and electric wire axially, extend outwardly beyond the edge of the fixed part of described ground plate, described a pair of clamping part is used for the coating of clamping coaxial cable and electric wire respectively,
The described edge that clamping part on the wherein said fixed part extends thus is the axial edge towards coaxial cable and electric wire.
2, wire-connecting device as claimed in claim 1, but wherein the thermal contraction part is transparent, so that it is inner as seen.
3, wire-connecting device as claimed in claim 1, described ground plate also has pressure contact portion, but this pressure contact portion is used for gauze that crimping exposes from the thermal contraction part so that ground connection, and this fixed part extends to be fixed on the counterpart from this pressure contact portion.
4, wire-connecting device as claimed in claim 3, wherein each described clamping part is identical with being set to of pressure contact portion.
5, wire-connecting device as claimed in claim 4, wherein each clamping part has the extension that extends from this fixed part along this coaxial cable and electric wire, the base portion that extends from the edge-perpendicular of this extension, is narrower than this base portion and the grip block that extends from this base portion and be arranged near this grip block recess.
6, wire-connecting device as claimed in claim 5, the interval between the base portion of wherein said a pair of clamping part are narrower than the width of fixed part along this coaxial cable and electric wire.
CN200610153947A 2005-09-29 2006-09-12 Wire-connecting device Active CN100576633C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005283396A JP4524238B2 (en) 2005-09-29 2005-09-29 Grounding member and wire connection unit
JP2005283396 2005-09-29
JP2005292121 2005-10-05

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Publication Number Publication Date
CN1941507A CN1941507A (en) 2007-04-04
CN100576633C true CN100576633C (en) 2009-12-30

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JP5213645B2 (en) * 2008-10-30 2013-06-19 矢崎総業株式会社 Cable connection structure on the grounding terminal
JP5334528B2 (en) 2008-10-30 2013-11-06 矢崎総業株式会社 Cable connection structure on the grounding terminal
JP5219877B2 (en) * 2009-02-16 2013-06-26 矢崎総業株式会社 Connector for coaxial cable
JP5760971B2 (en) * 2011-09-20 2015-08-12 株式会社オートネットワーク技術研究所 Earth connection device
DE112014002495T5 (en) * 2013-05-21 2016-03-03 Yazaki Corporation Connection structure for metal terminal fittings
US9306381B2 (en) * 2013-11-15 2016-04-05 Yazaki North America, Inc. Electrical device having busbar with flexible weld crimp
CN105990723B (en) * 2015-03-02 2023-07-07 安波福中央电气（上海）有限公司 Wire structure with anti-siphon function
JP6409672B2 (en) * 2015-05-14 2018-10-24 株式会社オートネットワーク技術研究所 Electric wire module
FR3060869B1 (en) * 2016-12-20 2020-12-25 Renault Sas ELECTRICAL TERMINAL FOR CRIMPING AT LEAST ONE COAXIAL CABLE

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US6677529B1 (en) * 1999-02-05 2004-01-13 John E. Endacott Wire connector
CN1725559A (en) * 2004-07-23 2006-01-25 住友电装株式会社 Connection structure between dissimilar wire

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JP3046782B2 (en) * 1997-05-30 2000-05-29 日本アンテナ株式会社 Cable fittings
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JP2004201419A (en) * 2002-12-19 2004-07-15 Toko Electric Corp Lead wire connection and method for forming same

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US3852517A (en) * 1972-06-12 1974-12-03 Raychem Corp Conductive insert for heat recoverable electrical connector
US6677529B1 (en) * 1999-02-05 2004-01-13 John E. Endacott Wire connector
CN1725559A (en) * 2004-07-23 2006-01-25 住友电装株式会社 Connection structure between dissimilar wire

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JP2007095489A (en) 2007-04-12
CN1941507A (en) 2007-04-04
JP4524238B2 (en) 2010-08-11

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