CN1705169A - Terminal for cable - Google Patents
Terminal for cable Download PDFInfo
- Publication number
- CN1705169A CN1705169A CN 200410100030 CN200410100030A CN1705169A CN 1705169 A CN1705169 A CN 1705169A CN 200410100030 CN200410100030 CN 200410100030 CN 200410100030 A CN200410100030 A CN 200410100030A CN 1705169 A CN1705169 A CN 1705169A
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- pressure contact
- contact portion
- cable
- linking part
- main body
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Abstract
The present invention is purposed to improve mechanical strength against prying, warping, and others, and also high frequency characteristics of a terminal for a coaxial cable. The terminal for a cable comprises a crimping part 40, a shell body 20, and a connection part 30, where the connection part 30 is formed by a plurality of connection parts 31, 32, and the crimping part 40 and the shell body 20 are connected to each other at two or more points.
Description
Technical field
The present invention relates to terminal for cable (for example coaxial cable terminal), it has: be crimped on the pressure contact portion (for example external conductor pressure contact portion) on the end of cable (for example coaxial cable), the fitting portion main body (for example shell main body) that is provided with continuously with this pressure contact portion via linking part.
Background technology
Existing coaxial cable uses terminal 100 for example shown in Fig. 7 (a), by forming with lower member: the insulation sheath (crust) 3 of coaxial cable 1 is carried out the insulation sheath pressure contact portion 103 of crimping, the external conductor pressure contact portion 105 of crimping external conductor 5, the shell main body 109 that is provided with continuously integratedly with this external conductor pressure contact portion 105 via linking part 107.
Shell main body 109 forms roughly cylindric, and the insulator 111 roughly cylindraceous that keeps internal terminal (omitting diagram) is inserted and be fixed with to side within it, and aforementioned internal terminal is electrically connected with the heart yearn (center conductor) 7 of coaxial cable 1.
Shell main body 109 is installed in the coaxial connector (omitting diagram), be connected on the connector that matches if this coaxial connector is chimeric, then the external conductor 5 of coaxial cable 1 is through external conductor pressure contact portion 105, linking part 107 and shell main body 109, the ground connection via the earth terminal of the connector that matches, thereby by electromagnetic shielding.
, the prior art example shown in Fig. 7 (a) is because linking the linking part 107 of pressure contact portion 105 and shell main body 109 is 1 (1 place), so have following (1), the problem shown in (2).
(1) linking part 107 that links pressure contact portion 105 and shell main body 109 is present in 1 place, thus reverse or the mechanical strength of bending etc. a little less than.
For example, if pressure contact portion 103,105 is subjected to the effect of the external force F more than the setting (for example 7.5N (newton)) along direction shown in the arrow of Fig. 7 (a), the real estate shape of changing shown in this Fig. 7 (b) then.
(2) linking part 107 that links pressure contact portion 105 and shell main body 109 plays the effect of the ground connection of coaxial cable 1, because 107 of this linking parts are present in 1 place, so the high frequency performance variation.
For example, for the high-frequency signal of 5GHz, has the shortcoming of VSWR (voltage standing wave ratio) variation (for example VSWR=1.6).
If produce the distortion shown in Fig. 7 (b), then such high frequency performance can further worsen.
Summary of the invention
The present invention makes in view of the above-mentioned problems, and its purpose is to provide a kind of can the raising to reverse or the terminal for cable of the mechanical strength of bending etc.
The present invention also aims to provide a kind of terminal for cable that improves high frequency performance.
Technical scheme 4 described inventions are characterised in that: in technical scheme 1,2 or 3 described inventions, it is the roughly tubular of central shaft that the fitting portion main body forms with the axis direction of cable, n linking part be attached on the ora terminalis of aforementioned fitting portion main body with central angle roughly on the position of branch gained such as n, described central angle is the center with the end face of described ora terminalis with the intersection point that central shaft intersects.
Technical scheme 6 described inventions are characterised in that: in technical scheme 1,2,3 or 4 described inventions, it is configured to pressure contact portion, fitting portion main body and n linking part: a plurality of constituent parts that individually form by processing conductor metallic plate are engaged binding, thereby it is combined.
Technical scheme 8 described inventions are characterised in that: technical scheme 1,2,3,, in 4, the 5 or 6 described inventions, pressure contact portion is formed by p (p is the positive integer less than n) pressure contact portion, and a described p pressure contact portion comprises a pressure contact portion at least 2 linking parts that are attached in n the linking part.
The invention effect
Technical scheme 4 described inventions, in technical scheme 1,2 or 3 described inventions, because the fitting portion main body forms roughly tubular, n linking part be attached on the ora terminalis of fitting portion main body with central angle roughly on the position of branch gained such as n, described central angle is the center with the intersection point, so the external force that is applied on the pressure contact portion from various directions is disperseed, improves and reverse or the mechanical strength of bending etc.
Again, (be subordinated in invention under the situation of technical scheme 2 or 3 described inventions) under the situation with terminal with terminal or shielded cable as coaxial cable in application, n the linking part degree of being balanced that becomes grounding parts disposes well, so can further improve high frequency performance or shield effectiveness.
Technical scheme 6 described inventions, in technical scheme 1,2,3 or 4 described inventions, because it is configured to pressure contact portion, fitting portion main body and n linking part: a plurality of constituent parts that individually form by processing conductor metallic plate are engaged binding, thereby it is combined, even so the baroque terminal for cable of pressure contact portion, linking part also can easily be handled.
Technical scheme 8 described inventions, in technical scheme 1,2,3,4,5 or 6 described inventions, because pressure contact portion is formed by p (p is the positive integer less than n) pressure contact portion, a described p pressure contact portion comprises a pressure contact portion that is attached in n the linking part at least 2 linking parts, so pressure contact portion lacks than the bond sites of linking part with respect to the crimping position of cable, can improve mechanical strength or high frequency performance (or shield effectiveness).
Description of drawings
Fig. 1 represents an embodiment of terminal for cable of the present invention, the stereogram that be that a part is cut, a part has been omitted.
Coaxial cable in Fig. 2 presentation graphs 1 (a) is vertical view with terminal 10, (b) is front view, (c) is the left view of (a).
Fig. 3 is illustrated among Fig. 1, coaxial cable is connected the outward appearance of the invention sample that forms on the end of coaxial cable 1 and the figure of mechanical property with pressure contact portion 40 crimping of terminal 10, (a) be front view, (b) be vertical view, (c) be the intensity comparison diagram of mean intensity being compared gained with the existing product of Fig. 7, described mean intensity is the mean intensity along A, when the B direction applies external force, in (b) when the C direction applies external force in (a).
Fig. 4 is with the frequency of the invention sample of Fig. 3 (a) shown in (b) and the VSWR characteristic is compared gained with the existing product of Fig. 7 high frequency performance comparison diagram.
Fig. 5 is the figure of other embodiment of expression, (a) is vertical view, (b) is the left side view of (a).
Fig. 6 is the figure of the another embodiment of expression, (a) is vertical view, (b) is front view, (c) is rearview.
Fig. 7 is the figure of expression conventional example, (a) is front view, (b) is to be illustrated in the figure that is subjected to external force F effect in (a) and makes the state after coaxial cable is out of shape with terminal 100.
Embodiment
Fig. 1 and Fig. 2 represent an embodiment of terminal for cable of the present invention.Specifically, expression with coaxial cable the coaxial cable terminal example during as cable.
In Fig. 1, the 1st, as the coaxial cable of an example of cable, this coaxial cable 1 is by forming with lower member: heart yearn 7, be insulator 9, external conductor 5 and insulation sheath 3 that concentric circles ground coats the periphery of this heart yearn 7 successively, its characteristic impedance forms 75 Ω (or 50 Ω), the front end of heart yearn 7 is outstanding to be used for connecting, and the front end of external conductor 5 exposes and is used for crimping.
In Fig. 1 and Fig. 2, the 10th, coaxial cable terminal (or coaxial cable shield terminal).
Coaxial cable has with structures that forms as one such as the stamping-out of terminal 10 by the conductive metal plate, bending machining: be attached at the pressure contact portion 40 on the ora terminalis of a side (being the left side in (b) at Fig. 2 (a)) of this shell main body 20 integratedly as the shell main body 20 of an example that forms fitting portion main body roughly cylindraceous, via linking part 30.
Be formed with the expanding section 23～23 of slit 21～21 and expansion to the inside on the outer peripheral portion of the opposite side of shell main body 20 (being the right side in (b) at Fig. 2 (a)), described slit 21～21 makes shell main body 20 have towards elasticity radially.
Linking part 30 comprises: form roughly square tabular the 1st linking part 31, be that length direction forms substantial transverse the 2nd linking part 32 of long rectangular plate shape with the central axis direction of shell main body 20.
1st, the 2nd linking part 31,32 be attached at shell main body 20 1 sides (Fig. 2 (a) (b) in for the left side) ora terminalis on the position with central angle 2 five equilibriums (with branch central angles such as 180 degree 2) gained on, and to oblique inboard the extension, described central angle is the center with the intersection point K that the central shaft of the end face of shell main body 20 1 side edge and shell main body 20 intersects.
The 1st pressure contact portion 41 its cross sections vertical with the central shaft of shell main body 20 form circular, and are formed with gap 45 at front end.
2nd, the 3rd pressure contact portion 42,43 its cross sections vertical with the central shaft of shell main body 20 form roughly arc, U word shape roughly respectively.
What the gap 45 of the 1st pressure contact portion 41 was formed on the 1st pressure contact portion 41 links the opposed side of a side with the 1st linking part 31.
The semi-circular portions of the 3rd pressure contact portion 43 and the 2nd pressure contact portion 42 form and make internal face opposed, and are positioned on the roughly same cylinder that central shaft with shell main body 20 is common central shaft.
On the wall of the 1st, the 2nd, the 3rd pressure contact portion 41,42,43, be formed with the expanding section 46,47,47,48,48 of expansion to the inside.
Then, similarly on the heart yearn 7 of coaxial cable 1, be connected internal terminal (omitting diagram), this internal terminal is inserted and remains in the accepting hole that is installed on the insulating cover 111 in the shell main body 20 with conventional example.Thereafter, by fastening the 1st, the 2nd, the 3rd pressure contact portion 41,42,43 that pressurizes with press-connection machine, shown in Fig. 3 (a) and (b), 41,42,43 crimping of the 1st, the 2nd, the 3rd pressure contact portion are fixed on the external conductor 5 of coaxial cable 1, and both are electrically connected and mechanically connect.
At this moment, the 1st pressure contact portion 41 is crimped on the external conductor 5 of coaxial cable 1, and the 2nd, the 3rd pressure contact portion 42,43 is crimped on the insulation sheath 3 and external conductor 5 of coaxial cable 1.Therefore, shell main body 20 is installed in the coaxial connector (omitting diagram), be connected on the connector that matches if this coaxial connector is chimeric, then the external conductor 5 of coaxial cable 1 is through the 1st, the 2nd, the 3rd pressure contact portion 41,42,43 and the 1st, the 2nd linking part 31,32 and shell main body 20, the ground connection via the earth terminal of the connector that matches, thereby by electromagnetic shielding.
As previously mentioned, the linking part 30 that links shell main body 20 and pressure contact portion 40 is formed by 2 linking parts 31,32, these 2 linking parts 31,32 are shown in Fig. 2 (c), because be formed on the position of central angle 2 five equilibriums (with 180 degree, 2 central angles such as branch such as the grade) gained that will with intersection point K be the center, so can the degree of balance be disperseed by the external force that puts on pressure contact portion 40, raising is with respect to reversing or the mechanical strength of bending etc., and but the degree of balance is configured as the linking part 31,32 of grounding parts, raising high frequency performance (or shield effectiveness) well.
According to comparative test, under the situation that the existing product shown in the invention sample shown in Fig. 3 (a) and (b) and Fig. 7 (a) is compared, for mechanical strength, has the difference shown in Fig. 3 (c), for high frequency performance, having difference shown in Figure 4, all is that the invention sample is better than existing product from which aspect.
Promptly, shown in Fig. 3 (a) and (b), (c), on A direction (cable draw direction), the mean intensity of invention sample is 70.0N (newton), and is relative with it, and the mean intensity of existing product is 57.0N, on B, C direction (torsional direction of cable), the mean intensity of invention sample is 90.0N, 35.0N, and is relative with it, and the mean intensity of existing product is 7.5N, 13.5N.
Again, for high frequency performance, shown in the characteristic curve of the solid line H (invention sample) of Fig. 4 and dotted line J (existing product), in the relation of VSWR (voltage standing wave ratio) and frequency, the frequency of invention sample is up to 5.5GHz, and VSWR is below 1.3, relative with it, the frequency of existing product is to 3GHz, and VSWR is 1.3, and VSWR is more than 1.7 when frequency 5.5GHz.
In addition, invention sample in the above-mentioned comparative test and the existing product all processing such as stamping-out, bending of the conductive metal plate by the about 0.3mm of thickness of slab form, the about 19mm of entire axial length, and external diameter, the axial length of shell main body 20,109 form about 4mm, 12mm.
In the aforementioned embodiment, forming 2, pressure contact portion for linking part forms 3 situation and is illustrated, but the invention is not restricted to this, can in following situation, use: will be the central angle n five equilibrium and linking part is made as n (n is the integer 2 or more) roughly at center with intersection point K, pressure contact portion is made as m (m is the above integer of n) or p (p is the positive integer less than n).
For example can be applicable to the situation of n=3, m=3.Fig. 5 (a) and (b) are represented an example of this situation.
In Fig. 5 (a) and (b), the 50th, the coaxial cable terminal, this coaxial cable has with structures that forms as one such as the stamping-out of terminal 50 by the conductive metal plate, bending machining: be attached at the pressure contact portion 80 on the ora terminalis of a side (being the left side in Fig. 5 (a)) of this shell main body 60 integratedly as the shell main body 60 of an example that forms fitting portion main body roughly cylindraceous, via linking part 70.
Linking part 70 is made of the 1st, the 2nd, the 3rd linking part 71,72,73 that forms laterally long rectangular plate shape, and these 3 linking parts are that the length of length direction and length direction is elongated successively with the central axis direction of shell main body 60.
1st, the 2nd, the 3rd linking part 71,72,73 is attached on the position with central angle 3 five equilibriums (with 120 degree with central angle 3 five equilibriums) gained on the ora terminalis of shell main body 60 1 sides (in Fig. 5 (a) for left side), and to oblique inboard the extension, described central angle is the center with the intersection point K that the central shaft of the end face of shell main body 60 1 side edge and shell main body 60 intersects.
Pressure contact portion 80 is made of the 1st pressure contact portion the 81, the 2nd pressure contact portion the 82, the 3rd pressure contact portion 83 that is attached at the 1st, the 2nd, the 3rd linking part 71,72,73 front end one side separately, the 1st pressure contact portion the 81, the 2nd pressure contact portion the 82, the 3rd pressure contact portion 83 extends towards central axis direction from front end one side of shell main body 60, and forms mutually and do not overlap.
The 1st pressure contact portion the 81, the 2nd pressure contact portion the 82, the 3rd pressure contact portion 83 its vertical with the central shaft of shell main body 60 respectively cross sections form roughly U word shape, on its wall, are formed with the expanding section 86,87,88 of expansion to the inside.
In the aforementioned embodiment, in order to improve mechanical strength, pressure contact portion (for example 40 or 80), fitting portion main body (for example 20 or 60) and n linking part (for example 31,32 or 71～73) are the integrative-structures that is formed by the processing of conductive metal plate, this is illustrated, but the invention is not restricted to this, also can be applicable to following situation: a plurality of constituent part engagings that will be individually formed by the processing of conductive metal plate link together, thereby make combining structure.
For example, also can be applicable to following situation: shown in Fig. 6 (a) and (b), (c), shell main body 20 engages the constituent part 20A, the 20B that link gained by two with mutual engaging teat 28A, 28B and constitutes with engaging recessed part 29A, 29B, on a side constituent part 20A, link the 1st, the 2nd pressure contact portion 41,42 integratedly, on the opposing party's constituent part 20B, link the 3rd pressure contact portion 43 integratedly via the 2nd linking part 32 via the 1st linking part 31.In this case, even the complicated coaxial cable terminal of the structure of pressure contact portion, linking part also can easily be handled.
In the aforementioned embodiment, n linking part (for example 31,32 or 71～73) is attached at upper/lower positions: on the ora terminalis of fitting portion main body (for example 20 or a 60) side, to with intersection point K the position of central angle n five equilibrium (for example n the is 2 or 3) gained at center, this situation is illustrated, but the invention is not restricted to this, on the ora terminalis that n linking part is attached at fitting portion main body one side will not be also can use the present invention under the locational situation of central angle n five equilibrium at center with intersection point K.In this case, because compare, so the present invention has the raising that a plurality of linking parts still can be sought mechanical strength and high frequency performance with the conventional example of having only a linking part.
In the aforementioned embodiment, though to the characteristic impedance of cable is that the situation (being the situation of coaxial cable with terminal) of the coaxial cable of 75 Ω (or 50 Ω) is illustrated, but the invention is not restricted to this, also can be applicable to characteristic impedance is the situation of 75 Ω (or 50 Ω) coaxial cable, shielded cable or electric wire in addition.
For example, also can be applicable to the situation (being the situation of shielded cable) of shielded cable: though constitute the inner conductor and the external conductor disalignment of cable with terminal, but with the external conductor of metal forming or metallic strap etc. coat inner conductor (for example 2 heart yearns that 2 mutual twisteds of insulated wire are formed) around, thereby make it not be subjected to the interference of external noise.
With under situation of terminal, can similarly improve mechanical strength with the linking part of shielded cable and raising effectiveness with the situation of terminal in this shielded cable with coaxial cable.
Again, with electric wire (for example come coating conductor around general electric wire) with insulator as the electric wire of cable gained with under the situation of terminal, can improve mechanical strength with the linking part of electric wire.
Claims (8)
1. terminal for cable, the fitting portion main body (20 or 60) that has the pressure contact portion (40 or 80) of the cable end of being crimped on and be provided with continuously with this pressure contact portion (40 or 80) via linking part (30 or 70) is characterized in that: linking part (30 or 70) is formed by n (n is the integer more than 2) linking part (31,32 or 71～73).
2. terminal for cable as claimed in claim 1 is characterized in that, cable is coaxial cable (1), and pressure contact portion (40 or 80) is the external conductor pressure contact portion that the external conductor (5) of coaxial cable (1) is carried out crimping.
3. terminal for cable as claimed in claim 1 is characterized in that cable is a shielded cable, and pressure contact portion (40 or 80) is the shielding conductor pressure contact portion that the shielding conductor of shielded cable is carried out crimping.
4. as claim 1,2 or 3 described terminal for cable, it is characterized in that, it is the roughly tubular of central shaft that fitting portion main body (20 or 60) forms with the axis direction of cable, the linking part (31,32 or 71～73) of n be attached on the ora terminalis of fitting portion main body (20 or 60) with central angle roughly on the position of branch gained such as n, described central angle is the center with the end face of described ora terminalis with the intersection point (K) that central shaft intersects.
5. as claim 1,2,3 or 4 described terminal for cable, it is characterized in that pressure contact portion (40 or 80), fitting portion main body (20 or 60) and linking part (31,32 or 71～73) are the Construction integrations that the processing by the conductor metallic plate forms.
6. as claim 1,2,3 or 4 described terminal for cable, it is characterized in that, it is configured to pressure contact portion (40 or 80), fitting portion main body (20 or 60) and linking part (31,32 or 71～73): a plurality of constituent parts that individually form by processing conductor metallic plate are engaged binding, thereby it is combined.
7. as claim 1,2,3,4,5 or 6 described terminal for cable, it is characterized in that, pressure contact portion (40 or 80) is formed by the pressure contact portion of m (m is the above integer of n), and a described m pressure contact portion comprises each pressure contact portion that is provided with continuously with n linking part (31,32 or 71～73).
8. as claim 1,2,3,4,5 or 6 described terminal for cable, it is characterized in that, pressure contact portion (40 or 80) is formed by p (p is the positive integer less than n) pressure contact portion, and a described p pressure contact portion comprises a pressure contact portion at least 2 linking parts that are attached in n the linking part (31,32 or 71～73).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP165476/04 | 2004-06-03 | ||
| JP2004165476A JP3858034B2 (en) | 2004-06-03 | 2004-06-03 | Terminal for cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1705169A true CN1705169A (en) | 2005-12-07 |
| CN100394650C CN100394650C (en) | 2008-06-11 |
Family
ID=35499281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004101000306A Expired - Fee Related CN100394650C (en) | 2004-06-03 | 2004-11-30 | Terminal for cable |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3858034B2 (en) |
| CN (1) | CN100394650C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845215A (en) * | 2016-06-21 | 2016-08-10 | 重庆长安汽车股份有限公司 | Connecting structure for lead and terminal |
| CN107492771A (en) * | 2016-06-09 | 2017-12-19 | 德尔福技术有限公司 | Component of RF coaxial connector and its manufacture method |
| CN110021837A (en) * | 2017-12-26 | 2019-07-16 | 住友电装株式会社 | Terminal part and connector |
| US10608352B2 (en) | 2017-12-21 | 2020-03-31 | Molex, Llc | Connector and connector assembly |
| TWI705625B (en) * | 2017-12-21 | 2020-09-21 | 美商莫仕有限公司 | Connector and connector assembly |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5561970B2 (en) * | 2009-08-27 | 2014-07-30 | 矢崎総業株式会社 | Connector for coaxial cable |
| JP5192029B2 (en) | 2010-11-25 | 2013-05-08 | 日本航空電子工業株式会社 | Connector and connector unit |
| JP2024059340A (en) * | 2022-10-18 | 2024-05-01 | 住友電装株式会社 | Shielded wire and connectors |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5885104A (en) * | 1997-05-28 | 1999-03-23 | Molex Incorporated | Electrical plug connector |
| JP3532534B2 (en) * | 2001-05-29 | 2004-05-31 | 矢崎総業株式会社 | Coaxial connector |
-
2004
- 2004-06-03 JP JP2004165476A patent/JP3858034B2/en not_active Expired - Fee Related
- 2004-11-30 CN CNB2004101000306A patent/CN100394650C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492771A (en) * | 2016-06-09 | 2017-12-19 | 德尔福技术有限公司 | Component of RF coaxial connector and its manufacture method |
| CN105845215A (en) * | 2016-06-21 | 2016-08-10 | 重庆长安汽车股份有限公司 | Connecting structure for lead and terminal |
| US10608352B2 (en) | 2017-12-21 | 2020-03-31 | Molex, Llc | Connector and connector assembly |
| TWI705625B (en) * | 2017-12-21 | 2020-09-21 | 美商莫仕有限公司 | Connector and connector assembly |
| CN110021837A (en) * | 2017-12-26 | 2019-07-16 | 住友电装株式会社 | Terminal part and connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100394650C (en) | 2008-06-11 |
| JP2005347103A (en) | 2005-12-15 |
| JP3858034B2 (en) | 2006-12-13 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20181130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |