JP3526214B2 - Connection terminal nut locking structure - Google Patents

Connection terminal nut locking structure

Info

Publication number
JP3526214B2
JP3526214B2 JP16234998A JP16234998A JP3526214B2 JP 3526214 B2 JP3526214 B2 JP 3526214B2 JP 16234998 A JP16234998 A JP 16234998A JP 16234998 A JP16234998 A JP 16234998A JP 3526214 B2 JP3526214 B2 JP 3526214B2
Authority
JP
Japan
Prior art keywords
nut
connection terminal
nut body
bolt
notch groove
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 - Fee Related
Application number
JP16234998A
Other languages
Japanese (ja)
Other versions
JPH11354179A (en
Inventor
圭司 牛山
利朗 望月
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yazaki Corp
Original Assignee
Yazaki Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yazaki Corp filed Critical Yazaki Corp
Priority to JP16234998A priority Critical patent/JP3526214B2/en
Publication of JPH11354179A publication Critical patent/JPH11354179A/en
Application granted granted Critical
Publication of JP3526214B2 publication Critical patent/JP3526214B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Description

【発明の詳細な説明】 【0001】 【発明の属する技術分野】本発明は、電源用の電線端部
に圧着された接続端子を電気的に接続するためのボルト
部材に固定するための接続端子用ナットに関し、詳しく
はボルト部材に螺合されたナット本体の振動等による緩
みを防止するための緩み止め構造に関する。 【0002】 【従来の技術】従来より自動車等のバッテリーに電源用
の電線端部に圧着されたLA端子等を接続するためにボ
ルト及びナットが一般的に使用されている。従来のナッ
ト付圧着端子として、実開昭54−35397号公報等
に記載されているものを説明する。 【0003】図7及び図8に示したようにナット付圧着
端子40は、接続舌部41にフランジ付ナット42を回
転自在に取り付けたものである。この接続舌部41は、
図示していない電線端部に圧着接続される口輪部43端
部に連続して設けられており、取付孔44を有してい
る。また、フランジ付ナット42は、接続舌部41の周
縁部に突設された複数の係止爪45によってフランジ4
6を係止させることで、接続舌部41に回転自在に保持
される。これにより、フランジ付ナット42は、端子取
付け作業中の脱落等を防止される。 【0004】また、別の従来例として図9及び図10に
示したような接続端子用ナットがある。この接続端子用
ナット52は、接続端子50を電気的に接続しようとす
るボルト51に固定するためのもので、接続端子50を
ボルト51に固定するナット本体53と、ナット本体5
3のボルト51への螺合方向先端側を覆うように設けら
れ、ナット本体53と接続端子50との間に介在するガ
イド部材54とを備えている。 【0005】このナット本体53の外側面には、ナット
本体53の周方向に沿って切り欠き溝55が形成されて
おり、ガイド部材54の先端部56が遊嵌されている。
このガイド部材54の先端部56の切り欠き溝55への
遊嵌により、ナット本体53はガイド部材54に回転自
在に保持され、端子取付け作業中のナット本体53の脱
落等が防止される。 【0006】 【発明が解決しようとする課題】しかしながら、上述し
た従来のナット付圧着端子40及び接続端子用ナット5
2では、フランジ付ナット42又はナット本体53を所
定の締付けトルクを以てボルト51に螺合させた場合で
も、振動等に起因してフランジ付ナット42又はナット
本体53の緩みが生じてしまうという問題があった。な
お、この緩みを防止するためには、フランジ付ナット4
2又はナット本体53の締付けトルクを大幅に増すこと
も考えられるが、ボルト51の強度によっては、締付け
トルクを大幅に増すことができないケースも多い。 【0007】本発明は、ナット本体の締付けトルクを増
すことなく、振動等に起因するナット本体の緩みを確実
に防止することができる接続端子用ナットの緩み止め構
造を提供することを目的としている。 【0008】 【課題を解決するための手段】 本発明に係わる上記課
題は、接続端子を電気的に接続しようとするボルト部材
に螺合されることにより、前記接続端子を前記ボルト部
材に固定するナット本体と、該ナット本体の前記ボルト
部材への螺合方向先端側を覆うように設けられ、前記ナ
ット本体と前記接続端子との間に介在するナット本体の
脱落防止用のガイド部材とを備えた接続端子用ナットに
おいて、前記ナット本体の周方向に沿ってかつ前記ナッ
ト本体の螺合方向に向けて徐々に深くなるテーパー状の
切り欠き溝が前記ナット本体の外側面に形成されている
とともに、前記ガイド部材に形成されたガイド爪部が前
記切り欠き溝に遊嵌されており、前記ガイド爪部が、前
記ナット本体のねじ込みに伴って前記切り欠き溝内の浅
くなる方向に移動して、前記切り欠き溝内の所定位置に
噛み込むこと、を特徴とする接続端子用ナットの緩み止
め構造によって解決することができる。 【0009】上記構成の接続端子用ナットの緩み止め構
造においては、ガイド部材のガイド爪部は、ナット本体
のボルト部材への螺合完了前の所定範囲内で、ナット本
体がナット本体の切り欠き溝内をボルト部材にねじ込ま
れるのに伴って浅くなる方向に移動する。そして、切り
欠き溝内の所定位置まで移動すると、ガイド爪部が切り
欠き溝に噛み込まれることで、振動等に起因するナット
本体の緩みが確実に防止される。 【0010】また、ナット本体のボルト部材への螺合開
始から螺合完了前の途中状態までは、ガイド部材のガイ
ド爪部は、ナット本体の切り欠き溝に遊嵌された状態に
あり、ナット本体のボルト部材への円滑な螺合を妨げる
ようなことはない。 【0011】 【発明の実施の形態】以下、本発明の接続端子用ナット
の緩み止め構造の第1実施形態を図1乃至図4に基づい
て詳細に説明する。図1は本実施形態の接続端子用ナッ
トの緩み止め構造を適用した接続端子用ナット及びLA
端子を示す斜視図、図2は図1における接続端子用ナッ
トのA−A断面図、図3は図1における接続端子用ナッ
トのボルトへの螺合開始状態を示す断面図、図4は図1
における接続端子用ナットのボルトへの螺合完了直前の
状態を示す断面図である。 【0012】図1及び図2に示すようにLA端子10に
は、圧着部11が一体的に形成されており、この圧着部
11を電線12の端部に圧着することで電線12と電気
的に接続される。また、LA端子10に設けられたボル
ト取付孔13には、LA端子10を電気的に接続しよう
とするボルト14が挿通される。 【0013】また、LA端子用ナット20は、ナット本
体21及びガイド部材22からなり、LA端子10に突
設された保持爪15によってボルト取付孔13上部に回
転自在に保持される。このナット本体21は、ボルト1
4に螺合されることによりLA端子10をボルト14に
固定する。また、ナット本体21の外側周方向に沿って
切り欠き溝23が形成されており、この切り欠き溝23
はボルト14への螺合方向(図2中下方)に向けて徐々
に深くなるテーパー面状に形成されている。 【0014】また、ガイド部材22は、図中略中央に設
けられた貫通孔24をナット本体21のボルト取付孔1
3に連通した状態で、ナット本体21とLA端子10と
の間に介在させるために、ナット本体21のボルト14
への螺合方向の先端面側を覆うように設けられている。
このガイド部材22は、ガイド爪部25をナット本体2
1の切り欠き溝23に遊嵌させることで、ナット本体2
1下部に保持される。 【0015】また、図3に示すようにガイド部材22の
ガイド爪部25は、ナット本体21のボルト14への螺
合開始状態では、ナット本体21の切り欠き溝23に遊
嵌された状態にある。したがって、ナット本体21のボ
ルト14への円滑な螺合を妨げるようなことはない。 【0016】更に、図4に示すようにガイド爪部25
は、ナット本体21のボルト14への螺合完了直前の所
定範囲で、ナット本体21がボルト14にねじ込まれる
のに伴って、切り欠き溝23内を溝深さが浅くなる方向
(図中上側方向)に相対移動可能であり、所定の位置ま
で移動した段階で切り欠き溝23に噛み込むように構成
されている。 【0017】次に、上述した本実施形態の接続端子用ナ
ットの緩み止め構造に関する作用を図3及び図4に基づ
いて説明する。図3に示すようにLA端子用ナット20
のナット本体21がボルト14に螺合される際、螺合開
始時は、ガイド爪部25が切り欠き溝23に遊嵌された
状態にあり、ナット本体21はボルト14に円滑に螺合
される。 【0018】そして、図4に示すようにナット本体21
が螺合完了直前の所定位置に達すると、ナット本体21
がボルト14にねじ込まれるのに伴って、ガイド爪部2
5が切り欠き溝23内の溝深さが浅くなる方向(図中上
側)に相対移動する。そして、所定の位置まで移動する
とガイド爪部25が切り欠き溝23に噛み込む。このガ
イド爪部25の切り欠き溝23への噛み込みにより、振
動等に起因するナット本体21の緩みが確実に防止され
る。 【0019】次に、本発明の接続端子用ナットの緩み止
め構造の第2実施形態を図5及び図6に基づいて詳細に
説明する。図5は本実施形態の接続端子用ナットの緩み
止め構造のナット本体を示す断面図、図6は図5におけ
るナット本体のB−B断面図である。 【0020】図5及び図6に示すように本実施形態のナ
ット本体30は、切り欠き溝31の溝深さが浅くなる側
(図5中上部側)の外周面にギヤ歯状の多数の突起32
が形成されている。この突起32は、切り欠き溝31へ
のガイド爪部25の噛み込みをより強固にするものであ
り、振動等に起因するナット本体30の緩みがより一層
確実に防止される。 【0021】上述したように上記実施形態の接続端子用
ナットの緩み止め構造によれば、ナット本体21、30
のボルト14への螺合完了直前の所定位置でナット本体
21、30のねじ込みに伴って、ガイド爪部25がナッ
ト本体21、30の切り欠き溝23、31内の溝深さが
浅くなる方向に相対移動する。そして、所定の位置まで
移動するとガイド爪部25が切り欠き溝23、31に噛
み込む。したがって、ナット本体21、30の締付けト
ルクを増すことなく、ナット本体21、30のボルト1
4への円滑な螺合作業を阻害されるようなことはなく、
しかも振動等に起因するナット本体21、30の緩みを
確実に防止することができる。 【0022】 【発明の効果】 以上説明したように本発明は、接続
端子用ナットの緩み止め構造を接続端子を電気的に接続
しようとするボルト部材に螺合されることにより、前記
接続端子を前記ボルト部材に固定するナット本体と、該
ナット本体の前記ボルト部材への螺合方向先端側を覆う
ように設けられ、前記ナット本体と前記接続端子との間
に介在するナット本体の脱落防止用のガイド部材とを備
えた接続端子用ナットにおいて、前記ナット本体の周方
向に沿ってかつ前記ナット本体の螺合方向に向けて徐々
に深くなるテーパー状の切り欠き溝が前記ナット本体の
外側面に形成されているとともに、前記ガイド部材に形
成されたガイド爪部が前記切り欠き溝に遊嵌されてお
り、前記ガイド爪部が、前記ナット本体のねじ込みに伴
って前記切り欠き溝内の浅くなる方向に移動して、前記
切り欠き溝内の所定位置に噛み込んだので、ナット本体
の周方向に沿ってかつナット本体の螺合方向に向けて徐
々に深くなるテーパー状の切り欠き溝がナット本体の外
側面に形成されているとともに、ガイド部材に形成され
たガイド爪部が切り欠き溝に遊嵌されており、ガイド爪
部がナット本体のねじ込みに伴って切り欠き溝内の浅く
なる方向に移動して、切り欠き溝内の所定位置に噛み込
む。したがって、ナット本体の締付けトルクを増すこと
なく、振動等に起因するナット本体の緩みを確実に防止
することができる。
Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection terminal for fixing a connection terminal crimped to an end of a power supply wire to a bolt member for electrically connecting the connection terminal. More particularly, the present invention relates to a locking mechanism for preventing a nut body screwed to a bolt member from being loosened due to vibration or the like. 2. Description of the Related Art Bolts and nuts have been generally used to connect an LA terminal or the like crimped to an end of a power supply wire to a battery of an automobile or the like. As a conventional crimp terminal with nut, one described in Japanese Utility Model Laid-Open Publication No. 54-35397 or the like will be described. [0003] As shown in FIGS. 7 and 8, a crimp terminal 40 with a nut has a nut 42 with a flange rotatably attached to a connecting tongue 41. This connecting tongue 41 is
It is provided continuously at the end of the collar portion 43 which is crimped to the end of the electric wire (not shown), and has a mounting hole 44. The flanged nut 42 is fixed to the flange 4 by a plurality of locking claws 45 projecting from the peripheral edge of the connection tongue 41.
6 is locked by the connecting tongue 41 so as to be freely rotatable. As a result, the nut with flange 42 is prevented from falling off during the terminal mounting operation. As another conventional example, there is a connection terminal nut as shown in FIGS. The connection terminal nut 52 is for fixing the connection terminal 50 to a bolt 51 that is to be electrically connected. The nut body 53 for fixing the connection terminal 50 to the bolt 51 and the nut body 5
A guide member 54 is provided so as to cover the distal end side in the screwing direction of the third bolt 51 with the bolt 51, and is interposed between the nut main body 53 and the connection terminal 50. [0005] A cutout groove 55 is formed on the outer surface of the nut main body 53 along the circumferential direction of the nut main body 53, and the tip end portion 56 of the guide member 54 is loosely fitted.
By loosely fitting the distal end portion 56 of the guide member 54 into the notch groove 55, the nut body 53 is rotatably held by the guide member 54, and the nut body 53 is prevented from dropping off during the terminal mounting operation. However, the above-described conventional crimp terminal 40 with nut and nut 5 for connection terminal described above.
In 2, the flanged nut 42 or the nut main body 53 may be loosened due to vibration or the like even when the flanged nut 42 or the nut main body 53 is screwed into the bolt 51 with a predetermined tightening torque. there were. In order to prevent this loosening, the nut with flange 4
Although it is conceivable to significantly increase the tightening torque of the nut 2 or the nut main body 53, there are many cases where the tightening torque cannot be significantly increased depending on the strength of the bolt 51. SUMMARY OF THE INVENTION An object of the present invention is to provide a connection terminal nut locking structure which can reliably prevent the nut body from loosening due to vibration or the like without increasing the tightening torque of the nut body. . Means for Solving the Problems The object of the present invention is to fix the connection terminal to the bolt member by screwing the connection terminal to a bolt member to be electrically connected. A nut main body, which is provided so as to cover a tip end side of the nut main body in the screwing direction with the bolt member, and which is provided between the nut main body and the connection terminal ;
A connection terminal nut having a guide member for preventing the nut from falling off , wherein a tapered notch groove gradually deepens along a circumferential direction of the nut body and in a screwing direction of the nut body. A guide claw formed on the guide member is loosely fitted in the notch groove, and the guide claw is formed in the notch groove with the screwing of the nut body. It can be solved by the structure for preventing the connection terminal nut from loosening , characterized in that it moves in a shallow direction in the inside and engages with a predetermined position in the notch groove. In the structure for preventing the connection terminal nut from being loosened, the guide claw of the guide member is provided within a predetermined range before screwing of the nut body to the bolt member is completed. It moves in a direction to become shallower as it is screwed into the bolt member in the groove. Then, when the guide claw is moved to a predetermined position in the notch groove, the guide claw portion is bitten into the notch groove, so that loosening of the nut body due to vibration or the like is reliably prevented. Further, from the start of the screwing of the nut body to the bolt member until the screwing is completed, the guide claw portion of the guide member is loosely fitted into the notch groove of the nut body. It does not prevent the body from being smoothly screwed into the bolt member. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of a structure for preventing a connection terminal nut from loosening according to the present invention will be described in detail with reference to FIGS. FIG. 1 shows a connection terminal nut and an LA to which a connection terminal nut locking structure according to the present embodiment is applied.
FIG. 2 is a perspective view showing the terminal, FIG. 2 is a cross-sectional view of the connection terminal nut taken along line AA in FIG. 1, FIG. 3 is a cross-sectional view of the connection terminal nut shown in FIG. 1
FIG. 5 is a cross-sectional view showing a state immediately before completion of screwing of the connection terminal nut to the bolt in FIG. As shown in FIGS. 1 and 2, a crimping portion 11 is formed integrally with the LA terminal 10, and the crimping portion 11 is crimped to an end of the electric wire 12 to electrically connect with the electric wire 12. Connected to. Further, a bolt 14 for electrically connecting the LA terminal 10 is inserted into a bolt mounting hole 13 provided in the LA terminal 10. The LA terminal nut 20 comprises a nut body 21 and a guide member 22 and is rotatably held above the bolt mounting hole 13 by a holding claw 15 protruding from the LA terminal 10. The nut body 21 is
4 to fix the LA terminal 10 to the bolt 14. A notch groove 23 is formed along the outer circumferential direction of the nut main body 21.
Is formed in a tapered shape that gradually becomes deeper in the direction of screwing into the bolt 14 (downward in FIG. 2). The guide member 22 has a through hole 24 provided substantially at the center in the figure and a bolt mounting hole 1 of the nut body 21.
3, the bolt 14 of the nut body 21 is inserted between the nut body 21 and the LA terminal 10.
It is provided so as to cover the distal end surface side in the screwing direction with respect to.
The guide member 22 is configured such that the guide claw portion 25 is
1 by loosely fitting into the notch groove 23 of the
1 held at the bottom. Further, as shown in FIG. 3, the guide claw portion 25 of the guide member 22 is in a state of being loosely fitted into the notch groove 23 of the nut body 21 when the screwing of the nut body 21 to the bolt 14 is started. is there. Therefore, the smooth engagement of the nut body 21 with the bolt 14 is not prevented. Further, as shown in FIG.
The direction in which the groove depth becomes shallower in the notch groove 23 as the nut body 21 is screwed into the bolt 14 within a predetermined range immediately before the screwing of the nut body 21 to the bolt 14 is completed (upper side in the figure) ), And is configured to bite into the cutout groove 23 when it has moved to a predetermined position. Next, the operation of the connection terminal nut according to the present embodiment will be described with reference to FIGS. 3 and 4. As shown in FIG.
When the nut body 21 is screwed into the bolt 14, the guide claw 25 is loosely fitted in the cutout groove 23 at the start of the screwing, and the nut body 21 is smoothly screwed into the bolt 14. You. Then, as shown in FIG.
Reaches the predetermined position immediately before the completion of the screwing, the nut body 21
As the screw is screwed into the bolt 14, the guide claw 2
5 relatively moves in the direction in which the groove depth in the notch groove 23 becomes shallower (upper side in the figure). When the guide claw 25 moves to a predetermined position, the guide claw 25 bites into the cutout groove 23. The biting of the guide claw 25 into the notch groove 23 reliably prevents the nut body 21 from loosening due to vibration or the like. Next, a second embodiment of the structure for preventing the connection terminal nut from loosening according to the present invention will be described in detail with reference to FIGS. FIG. 5 is a cross-sectional view showing a nut main body having a connection terminal nut locking structure according to the present embodiment, and FIG. 6 is a BB cross-sectional view of the nut main body in FIG. As shown in FIGS. 5 and 6, the nut body 30 of the present embodiment has a large number of gear teeth on the outer peripheral surface on the side where the depth of the notch groove 31 becomes shallower (upper side in FIG. 5). Protrusion 32
Is formed. The projections 32 serve to strengthen the engagement of the guide claws 25 into the notch grooves 31, and loosening of the nut body 30 due to vibration or the like is more reliably prevented. As described above, according to the structure for preventing the connection terminal nut from being loosened in the above-described embodiment, the nut main bodies 21 and 30 are provided.
As the nut bodies 21 and 30 are screwed in at predetermined positions immediately before the completion of the screwing of the nuts 14 into the bolts 14, the guide claws 25 are directed so that the groove depths in the cutout grooves 23 and 31 of the nut bodies 21 and 30 become shallower. Move relative to. When the guide claw 25 moves to a predetermined position, the guide claw 25 bites into the notch grooves 23 and 31. Therefore, without increasing the tightening torque of the nut bodies 21 and 30, the bolts 1 of the nut bodies 21 and 30
There is no hindrance to smooth screwing work to 4
Moreover, loosening of the nut bodies 21 and 30 due to vibration and the like can be reliably prevented. [0022] As described above, according to the present invention, electrically connecting the connection terminal of the locking structure of the nut connection terminal
By being screwed into the bolt member to be
A nut body for fixing a connection terminal to the bolt member;
Covers the distal end side of the nut body in the screwing direction with the bolt member
Provided between the nut body and the connection terminal.
A guide member for preventing the nut body from falling
In the connection terminal nut obtained above, the circumference of the nut body
Along the direction and in the screwing direction of the nut body.
The tapered notch groove that becomes deeper in the nut body
It is formed on the outer surface and has a shape
The formed guide claw is loosely fitted in the notch groove and
And the guide claw is screwed into the nut body.
Move in the direction to become shallower in the notch groove,
Since it has been bitten into a predetermined position in the notch groove, a tapered notch groove that gradually becomes deeper along the circumferential direction of the nut body and in the screwing direction of the nut body is formed on the outer surface of the nut body. The guide claw formed on the guide member is loosely fitted in the notch groove, and the guide claw moves in the shallower direction in the notch groove with the screwing of the nut body, and the notch is formed. It bites into a predetermined position in the groove. Therefore, loosening of the nut body due to vibration or the like can be reliably prevented without increasing the tightening torque of the nut body.

【図面の簡単な説明】 【図1】本発明の接続端子用ナットの緩み止め構造の第
1実施形態を適用した接続端子用ナット及びLA端子を
示す斜視図である。 【図2】図1における接続端子用ナットのA−A断面図
である。 【図3】図1における接続端子用ナットのボルトへの螺
合開始状態を示す作用説明図である。 【図4】図3における螺合完了直前の状態を示す作用説
明図である。 【図5】本発明の接続端子用ナットの緩み止め構造の第
2実施形態を適用した接続端子用ナットのナット本体を
示す断面図である。 【図6】図5におけるB−B断面図である。 【図7】従来のナット付圧着端子を示す側面図である。 【図8】図7におけるナット付圧着端子の断面図であ
る。 【図9】従来の接続端子用ナットの緩み止め構造を適用
した接続端子用ナット及びLA端子を示す斜視図であ
る。 【図10】図9における接続端子用ナットのC−C断面
図である。 【符号の説明】 10 LA端子(接続端子) 13 ボルト取付孔 14 ボルト 20 LA端子用ナット(接続端子用ナット) 21 ナット本体(第1実施形態) 22 ガイド部材 23 切り欠き溝 25 ガイド爪部 30 ナット本体(第2実施形態) 31 切り欠き溝 32 突起
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a connection terminal nut and an LA terminal to which a first embodiment of a connection terminal nut loosening prevention structure according to the present invention is applied. FIG. 2 is a sectional view of the connection terminal nut taken along line AA in FIG. 1; FIG. 3 is an operation explanatory view showing a state in which the connection terminal nut in FIG. 1 is screwed into a bolt. FIG. 4 is an operation explanatory diagram showing a state immediately before completion of screwing in FIG. 3; FIG. 5 is a sectional view showing a nut main body of a connection terminal nut to which a second embodiment of the connection terminal nut locking structure according to the present invention is applied. FIG. 6 is a sectional view taken along line BB in FIG. FIG. 7 is a side view showing a conventional crimp terminal with a nut. FIG. 8 is a cross-sectional view of the crimp terminal with a nut in FIG. 7; FIG. 9 is a perspective view showing a connection terminal nut and an LA terminal to which a conventional connection terminal nut loosening prevention structure is applied. 10 is a sectional view of the connection terminal nut taken along the line CC in FIG. 9; [Description of Signs] 10 LA terminal (connection terminal) 13 bolt mounting hole 14 bolt 20 LA terminal nut (connection terminal nut) 21 nut body (first embodiment) 22 guide member 23 notch groove 25 guide claw portion 30 Nut main body (second embodiment) 31 Notch groove 32 Projection

フロントページの続き (56)参考文献 特開 平7−197923(JP,A) 特開 平9−210039(JP,A) 実開 昭62−119519(JP,U) 実開 平6−6730(JP,U) 実公 昭4−7907(JP,Y1) (58)調査した分野(Int.Cl.7,DB名) H01R 11/26 H01M 2/30 H01R 4/38 F16B 39/26 Continuation of the front page (56) References JP-A-7-197923 (JP, A) JP-A-9-210039 (JP, A) JP-A 62-119519 (JP, U) JP-A 6-6730 (JP , U) Jikgyo 4-7907 (JP, Y1) (58) Fields investigated (Int. Cl. 7 , DB name) H01R 11/26 H01M 2/30 H01R 4/38 F16B 39/26

Claims (1)

(57)【特許請求の範囲】 【請求項1】 接続端子を電気的に接続しようとするボ
ルト部材に螺合されることにより、前記接続端子を前記
ボルト部材に固定するナット本体と、該ナット本体の前
記ボルト部材への螺合方向先端側を覆うように設けら
れ、前記ナット本体と前記接続端子との間に介在する
ット本体の脱落防止用のガイド部材とを備えた接続端子
用ナットにおいて、 前記ナット本体の周方向に沿ってかつ前記ナット本体の
螺合方向に向けて徐々に深くなるテーパー状の切り欠き
溝が前記ナット本体の外側面に形成されているととも
に、前記ガイド部材に形成されたガイド爪部が前記切り
欠き溝に遊嵌されており、前記ガイド爪部が、前記ナッ
ト本体のねじ込みに伴って前記切り欠き溝内の浅くなる
方向に移動して、前記切り欠き溝内の所定位置に噛み込
こと、を特徴とする接続端子用ナットの緩み止め構
造。
(1) A nut body for fixing the connection terminal to the bolt member by screwing the connection terminal to the bolt member to be electrically connected, and the nut. provided so as to cover the threaded forward end side to the bolt member of the body, Na interposed between the connecting terminal and the nut body
A connection terminal nut having a guide member for preventing the nut body from falling off , wherein a tapered notch groove gradually deepens along a circumferential direction of the nut body and in a screwing direction of the nut body. Is formed on the outer surface of the nut body, and a guide claw formed on the guide member is loosely fitted in the notch groove, and the guide claw is screwed into the nut body. Go to shallows direction of the notch groove, locking structure of a connection terminal nut, characterized in that, the biting position of the notch groove.
JP16234998A 1998-06-10 1998-06-10 Connection terminal nut locking structure Expired - Fee Related JP3526214B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16234998A JP3526214B2 (en) 1998-06-10 1998-06-10 Connection terminal nut locking structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16234998A JP3526214B2 (en) 1998-06-10 1998-06-10 Connection terminal nut locking structure

Publications (2)

Publication Number Publication Date
JPH11354179A JPH11354179A (en) 1999-12-24
JP3526214B2 true JP3526214B2 (en) 2004-05-10

Family

ID=15752881

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16234998A Expired - Fee Related JP3526214B2 (en) 1998-06-10 1998-06-10 Connection terminal nut locking structure

Country Status (1)

Country Link
JP (1) JP3526214B2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020054834A (en) * 2000-12-28 2002-07-08 이계안 Device for connection terminal
CN100373060C (en) * 2005-04-13 2008-03-05 谢秉誉 Anti-loosing and anti-assembling nut
WO2007033523A1 (en) * 2005-09-22 2007-03-29 Song Hong International Ltd A tightening assembly for preventing from loosing and guarding theft and its manufacturing method
DE102011014342A1 (en) * 2011-03-18 2012-09-20 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Cable lug for connecting an electrical cable to a component of a motor vehicle
JP2013219951A (en) * 2012-04-10 2013-10-24 Yaskawa Electric Corp Terminal block for rotary electric machine, rotary electric machine, and vehicle
CN110473994B (en) * 2018-05-10 2022-11-18 上海海拉电子有限公司 Storage battery bolt of vehicle-mounted storage battery

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH047907Y2 (en) * 1986-01-08 1992-02-28
JPS62119519U (en) * 1986-01-22 1987-07-29
JPH0716093Y2 (en) * 1992-06-25 1995-04-12 大阪フォーミング株式会社 Double lock nut
JP3182678B2 (en) * 1993-12-28 2001-07-03 日本発条株式会社 Simple fastening device
JPH09210039A (en) * 1996-02-06 1997-08-12 Alloy:Kk Detent nut

Also Published As

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