JP3180983B2 - Low resistance connection terminal - Google Patents
Low resistance connection terminalInfo
- Publication number
- JP3180983B2 JP3180983B2 JP00888693A JP888693A JP3180983B2 JP 3180983 B2 JP3180983 B2 JP 3180983B2 JP 00888693 A JP00888693 A JP 00888693A JP 888693 A JP888693 A JP 888693A JP 3180983 B2 JP3180983 B2 JP 3180983B2
- Authority
- JP
- Japan
- Prior art keywords
- neck
- terminal
- connection terminal
- electric contact
- vicinity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 12
- 238000005452 bending Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000013011 mating Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010067482 No adverse event Diseases 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【産業上の利用分野】本発明は、相手端子に対する電気
接触部と電線に対する接続部との間に形成される幅狭な
首部の発熱を防止した低抵抗接続端子に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a low-resistance connection terminal for preventing a narrow neck formed between an electric contact portion with a mating terminal and a connection portion with an electric wire from generating heat .
【０００２】[0002]
【従来の技術】図６は、従来の接続端子を示す平面図、
図７は同じく縦断面図である。該接続端子１５は、一枚
の銅や黄銅等の薄板材を用いて打抜き折曲げにより、一
方に相手雌端子１６（図８）に対する雄型電気接触部１
７、他方に電線１８（図８）対する接続部１９をそれぞ
れ形成すると共に、該電気接触部１７と電線接続部１９
との間に幅狭な首部２０を絞り形成して成るものであ
る。そして該電線接続部１９に電線１８を圧着接続した
状態で、図８の如く相手雌端子１６の電気接触部２１に
該雄型電気接触部１７を嵌入させる。2. Description of the Related Art FIG. 6 is a plan view showing a conventional connection terminal.
FIG. 7 is a longitudinal sectional view of the same. The connection terminal 15 is formed by punching and bending a single sheet of copper or brass or the like to form a male electrical contact 1 with the mating female terminal 16 (FIG. 8).
7, the other end is formed with a connecting portion 19 for the electric wire 18 (FIG. 8), and the electric contact portion 17 and the electric wire connecting portion 19 are formed.
And a narrow neck portion 20 is formed by drawing. Then, with the electric wire 18 crimped and connected to the electric wire connection portion 19, the male electric contact portion 17 is fitted into the electric contact portion 21 of the mating female terminal 16 as shown in FIG.
【０００３】しかしながら、上記従来の接続端子１５に
おいては、相手端子１６と通電した際に幅狭な首部２０
が発熱しやすく、端子１５を収容する図示しない合成樹
脂製のコネクタハウジングに悪影響を及ぼすという問題
があった。 However, in the above-described conventional connection terminal 15, when a current is supplied to the mating terminal 16, the narrow neck portion 20 is formed.
Tends to generate heat, which adversely affects a synthetic resin connector housing (not shown) that accommodates the terminal 15.
was there.
【０００４】[0004]
【発明が解決しようとする課題】発明は、上記した点に
鑑み、首部の発熱を抑え、コネクタハウジングへの悪影
響をなくすことのできる低抵抗端子を提供することを目
的とする。SUMMARY OF THE INVENTION In view of the foregoing, it is an object of the present invention to provide a low-resistance terminal capable of suppressing heat generation at a neck and eliminating an adverse effect on a connector housing.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、一方に電気接触部、他方に電線接続部が
形成され、該電気接触部と該電線接続部との間に幅狭な
首部が形成された接続端子において、前記首部とその近
傍の板厚がその他の部位よりも厚く形成され、該首部と
その近傍の導通抵抗が低減されたことを特徴とする低抵
抗接続端子（請求項１）、及び、一方に電気接触部、他
方に電線接続部が形成され、該電気接触部と該電線接続
部との間に幅狭な首部が形成され、該首部とその近傍が
底板部と該底板部の両側に立ち上げられた側板部とで構
成された接続端子において、前記首部とその近傍との前
記底板部と前記側板部とがその他の部位よりも高導電率
な材料で一体に形成されたことを特徴とする低抵抗接続
端子（請求項２）を併せて採用する。In order to achieve the above object, the present invention provides an electric contact portion on one side and an electric wire connection portion on the other side, and a width between the electric contact portion and the electric wire connection portion. In a connection terminal having a narrow neck portion, a plate thickness of the neck portion and the vicinity thereof is formed to be thicker than other portions, and a conduction resistance of the neck portion and the vicinity thereof is reduced. (Claim 1) An electric contact portion is formed on one side, and an electric wire connection portion is formed on the other side, and a narrow neck portion is formed between the electric contact portion and the electric wire connection portion. In a connection terminal constituted by a bottom plate portion and side plate portions raised on both sides of the bottom plate portion, a material in which the bottom plate portion and the side plate portion near the neck portion and the vicinity thereof have higher conductivity than other portions A low-resistance connection terminal, wherein the connection terminal is integrally formed with In addition to adopt.
【０００６】[0006]
【作用】請求項１記載の発明によれば、幅狭な首部とそ
の近傍の板厚が厚く形成されたことで、発熱しやすい首
部の導通抵抗が低減され、首部の発熱が防止される。 ま
た、請求項２記載の発明によれば、首部の底板部と側板
部との両方の導通抵抗が同じように低減されて、首部の
加熱が防止されると共に、首部とその近傍の側板部の折
り曲げ時における曲げ強度の低下が防止される。 According to the first aspect of the present invention, the narrow neck portion and the narrow neck portion are provided.
The neck thickness, which tends to generate heat, is increased due to the thick plate near the
The conduction resistance of the part is reduced, and heat generation at the neck is prevented. Ma
According to the second aspect of the present invention, the bottom plate of the neck and the side plate are provided.
The conduction resistance of both the neck and the
Heat is prevented, and the neck and side plate near it are folded.
A decrease in bending strength during bending is prevented.
【０００７】[0007]
【実施例】図１は、本発明に係る低抵抗接続端子の第一
実施例を示す平面図（鎖線は展開図）、図２は同じく縦
断面図である。該低抵抗接続端子１は従来同様に一方の
雄型電気接触部２と他方の電線接続部３との間に幅狭な
首部４を形成して成るものであるが、圧延厚さの違う異
形材を用いて、該首部４とその近傍を構成する底板部４
ａと側板部４ｂの板厚ｔ1 を電気接触部２や電線接続部
３の板厚ｔよりも厚く設定したことを特徴とする。FIG. 1 is a plan view showing a first embodiment of a low resistance connection terminal according to the present invention (a chain line is a development view), and FIG. 2 is a longitudinal sectional view of the same. The low resistance connection terminal 1 is formed by forming a narrow neck portion 4 between one male electrical contact portion 2 and the other electric wire connection portion 3 as in the prior art, but has a different rolling thickness. Using the material, the neck portion 4 and the bottom plate portion 4 constituting the vicinity thereof
a, and the plate thickness t 1 of the side plate portion 4 b is set to be larger than the plate thickness t of the electric contact portion 2 and the wire connection portion 3.
【０００８】ここで該首部４の板厚ｔ1 はその断面積Ｓ
1 （ｗ1 ×ｔ1 ）が電気接触部２の断面積Ｓ（ｗ×ｔ）
と同等ないし近似するように設定される。また厚板の該
首部４の長手方向前端側（幅狭な首部４の近傍）はなだ
らかなテーパ形状４ｃで電気接触部２側へ繋がる。なお
板厚の増加箇所は首部４に限定されず、該首部４からや
や幅狭な電線接続部３にかけて（首部４の近傍に）図２
の鎖線４′の如く延長させてもよい。板厚の増加手段と
しては異形材の使用が最適であり、薄板を二枚重ねにし
たものはその重合部が点接触になる等のために発熱しや
すく不適である。Here, the thickness t 1 of the neck 4 is determined by its cross-sectional area S
1 (w 1 × t 1 ) is the cross-sectional area S (w × t) of the electrical contact portion 2
It is set to be equal to or similar to. In addition, the front end side (in the vicinity of the narrow neck portion 4) of the neck portion 4 of the thick plate in the longitudinal direction is connected to the electric contact portion 2 side by a gentle tapered shape 4c. The place where the thickness is increased is not limited to the neck portion 4 but extends from the neck portion 4 to the slightly narrower wire connection portion 3 (in the vicinity of the neck portion 4) .
May be extended as indicated by a chain line 4 '. As a means for increasing the thickness of the sheet, the use of a deformed material is optimal, and a sheet obtained by stacking two thin sheets is unsuitable because it is likely to generate heat due to point contact at the overlapped portion.
【０００９】上記した首部４の板厚増加の効果は下記の
如く説明できる。すなわち抵抗Ｒ、 導電率Ｘ、断面積Ｓ、長さＬとして、Ｒ＝１／Ｘ・Ｌ／Ｓ …(1) 熱量Ｈ、電流Ｉ、時間Ｔとして、 Ｈ＝０.24 Ｉ2 ＲＴ …(2) (1) (2) 式でＬ、Ｉ、Ｔ、Ｘは一定、また従来の端子の
首部断面積Ｓ2 ＜本実施例の端子の首部断面積Ｓ1 よ
り、従来の端子の首部抵抗Ｒ2 ＞本実施例の端子の首部
抵抗Ｒ1 であるから、従来の端子の発熱量Ｈ2 ＞本実施
例の端子の発熱量Ｈ1 となると共に端子自体の通電容量
アップが可能となる。The effect of increasing the thickness of the neck 4 can be explained as follows. That is, as resistance R, conductivity X, cross-sectional area S, and length L, R = 1 / XLL / S (1) Heat quantity H, current I, and time T, H = 0.24 I 2 RT ( 2) (1) In Equation (2), L, I, T, and X are constant, and the neck cross-sectional area S 2 of the conventional terminal is smaller than the neck cross-sectional area S 1 of the conventional terminal. Since R 2 > the neck resistance R 1 of the terminal of the present embodiment, the calorific value of the conventional terminal H 2 > the calorific value of the terminal of the present embodiment H 1 and the current carrying capacity of the terminal itself can be increased.
【００１０】図３は、本発明に係る低抵抗接続端子の第
二実施例を示す展開状態（鎖線）の平面図、図４は同じ
く完成状態の平面図、図５はその縦断面図である。該低
抵抗接続端子５は、幅狭な首部６の導通抵抗を低減させ
るために該首部６とその近傍に高導電率材料７を使用し
たことを特徴とする。首部６（図４）とその近傍は第一
実施例と同様に底板部６ａと側板部６ｂとで構成され
る。 FIG. 3 is a plan view of a low resistance connection terminal according to a second embodiment of the present invention in an expanded state (dashed line), FIG. 4 is a plan view of the same completed state, and FIG. 5 is a longitudinal sectional view thereof. . The low resistance connection terminal 5 is characterized in that a high conductivity material 7 is used in the neck 6 and in the vicinity thereof in order to reduce the conduction resistance of the narrow neck 6. The neck 6 (FIG. 4) and its vicinity are first
It is composed of a bottom plate 6a and a side plate 6b as in the embodiment.
You.
【００１１】該高導電率材料７は、図３の如く端子５の
長手直交方向に帯状に配列させ、その前後に電気接触部
８及び電線接続部９に対応する通常の端子材料１０，１
０を超音波溶接等の手段で接合させる。特公平３−２８
０２２号には端子の長手方向に帯状の高導電率材料を配
列した例が記載されているが、本実施例は端子の長手直
交方向に高導電率材料７を配列させることにより、首部
６の折曲げ時に接合部１１から折曲げられないようにし
て端子強度を高めている。なお該高導電率材料７の使用
箇所は首部６に限定されることなく、首部６からやや幅
狭な電線接続部９にかけて（首部の近傍に）使用しても
よい。As shown in FIG. 3, the high-conductivity material 7 is arranged in a strip shape in the direction perpendicular to the longitudinal direction of the terminal 5, and before and after that, the normal terminal materials 10, 1 corresponding to the electric contact portion 8 and the wire connection portion 9 are arranged.
0 is joined by means such as ultrasonic welding. Tokuhei 3-28
No. 022 describes an example in which a strip-shaped high conductivity material is arranged in the longitudinal direction of the terminal. In this embodiment, the high conductivity material 7 is arranged in the direction perpendicular to the longitudinal direction of the terminal, so that the neck portion 6 is formed. The terminal strength is increased so as not to be bent from the joint portion 11 at the time of bending. In addition, the use location of the high conductivity material 7 is not limited to the neck portion 6 and may be used from the neck portion 6 to the slightly narrower wire connection portion 9 (near the neck portion ) .
【００１２】本実施例の効果も、従来の端子の首部導電
率Ｘ2 ＜本実施例の端子の首部導電率Ｘ1 であるから従
来の端子の首部抵抗Ｒ2 ＞本実施例の端子の首部抵抗Ｒ
1 となり、上記(1) (2) 式より従来の端子の発熱量Ｈ2
＞本実施例の端子の発熱量Ｈ1 となると共に端子自体の
通電容量アップが可能となる。The effect of the present embodiment is also that the neck conductivity X 2 of the conventional terminal <the neck resistance R 2 of the conventional terminal because it is the neck conductivity X 1 of the terminal of the present embodiment> Resistance R
From the above formulas (1) and (2), the heat value of the conventional terminal H 2
> Current carrying capacity up terminal itself is made possible with the heat value H 1 of the terminal of the present embodiment.
【００１３】[0013]
【発明の効果】以上の如くに、請求項１記載の発明によ
れば、幅狭な首部とその近傍の板厚が厚く形成され、首
部とその近傍の導通抵抗が低減したことで、首部の発熱
が確実に防止され、接続端子を収容する樹脂製のコネク
タハウジングへの悪影響（熱影響）がなくなる。 また、
請求項２記載の発明によれば、首部とその近傍の底板部
と側板部とが高導電率材料で一体に形成されたから、底
板部と側板部との両方の導通抵抗が低減して底板部と側
板部との両方の加熱が防止され、接続端子を収容する樹
脂製のコネクタハウジングへの悪影響（熱影響）がなく
なると共に、側板部の折り曲げ加工時における曲げ強度
の低下が防止される。 As described above, according to the first aspect of the present invention,
If it is, the narrow neck and the plate thickness in the vicinity are formed thick,
Heat generated in the neck due to reduced conduction resistance in and around the neck
Is securely prevented, and a resin connector housing the connection terminals
The adverse effect (heat influence) on the housing is eliminated. Also,
According to the invention described in claim 2, the neck portion and the bottom plate portion near the neck portion
And the side plate are integrally formed of a high conductivity material.
The conduction resistance of both the plate and the side plate is reduced, and the bottom plate and the side
The heating of both the board and the plate is prevented, and the
No adverse effects (heat effects) on the grease connector housing
And bending strength when bending the side plate
Is prevented from decreasing.
【図１】本発明に係る低抵抗接続端子の第一実施例を示
す平面図（鎖線は展開図）である。FIG. 1 is a plan view (a chain line is a developed view) showing a first embodiment of a low-resistance connection terminal according to the present invention.
【図２】同じく縦断面図である。FIG. 2 is a longitudinal sectional view of the same.
【図３】本発明に係る低抵抗接続端子の第二実施例を示
す展開状態の平面図（実線は端子形状）である。FIG. 3 is a developed plan view (solid line is a terminal shape) showing a second embodiment of the low resistance connection terminal according to the present invention.
【図４】同じく完成状態の接続端子の平面図である。FIG. 4 is a plan view of the connection terminal in a completed state.
【図５】同じく縦断面図である。FIG. 5 is a longitudinal sectional view of the same.
【図６】従来の接続端子を示す平面図である。FIG. 6 is a plan view showing a conventional connection terminal.
【図７】同じく縦断面図である。FIG. 7 is a longitudinal sectional view of the same.
【図８】同じく相手端子との接続状態を示す正面図であ
る。FIG. 8 is a front view showing a connection state with a partner terminal.
１，５ 低抵抗接続端子 ２，８ 電気接触部 ３，９ 電線接続部 ４，６ 首部 ７ 高導電率材料 1,5 Low resistance connection terminal 2,8 Electrical contact 3,9 Electric wire connection 4,6 Neck 7 High conductivity material
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭64−43980（ＪＰ，Ａ) 特開 昭64−60979（ＪＰ，Ａ) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-64-43980 (JP, A) JP-A-64-60979 (JP, A)
Claims (2)
形成され、該電気接触部と該電線接続部との間に幅狭な
首部が形成された接続端子において、前記首部とその近
傍の板厚がその他の部位よりも厚く形成され、該首部と
その近傍の導通抵抗が低減されたことを特徴とする低抵
抗接続端子。1. A connection terminal in which an electric contact portion is formed on one side and a wire connection portion is formed on the other side, and a narrow neck portion is formed between the electric contact portion and the wire connection portion. Characterized in that the plate thickness of the low resistance connection terminal is formed to be thicker than other portions, and conduction resistance in the neck portion and the vicinity thereof is reduced .
形成され、該電気接触部と該電線接続部との間に幅狭な
首部が形成され、該首部とその近傍が底板部と該底板部
の両側に立ち上げられた側板部とで構成された接続端子
において、前記首部とその近傍との前記底板部と前記側
板部とがその他の部位よりも高導電率な材料で一体に形
成されたことを特徴とする低抵抗接続端子。2. An electric contact portion is formed on one side, and an electric wire connection portion is formed on the other side, a narrow neck portion is formed between the electric contact portion and the electric wire connection portion, and the neck portion and its vicinity are formed as a bottom plate portion. In the connection terminal constituted by the side plate portions raised on both sides of the bottom plate portion, the neck portion and the bottom plate portion and the side plate portion in the vicinity thereof are integrally formed of a material having higher conductivity than other portions. A low-resistance connection terminal formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00888693A JP3180983B2 (en) | 1993-01-22 | 1993-01-22 | Low resistance connection terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00888693A JP3180983B2 (en) | 1993-01-22 | 1993-01-22 | Low resistance connection terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06223907A JPH06223907A (en) | 1994-08-12 |
| JP3180983B2 true JP3180983B2 (en) | 2001-07-03 |
Family
ID=11705169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP00888693A Expired - Lifetime JP3180983B2 (en) | 1993-01-22 | 1993-01-22 | Low resistance connection terminal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3180983B2 (en) |
-
1993
- 1993-01-22 JP JP00888693A patent/JP3180983B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06223907A (en) | 1994-08-12 |
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