JPH0352221Y2 - - Google Patents
Info
- Publication number
- JPH0352221Y2 JPH0352221Y2 JP1062486U JP1062486U JPH0352221Y2 JP H0352221 Y2 JPH0352221 Y2 JP H0352221Y2 JP 1062486 U JP1062486 U JP 1062486U JP 1062486 U JP1062486 U JP 1062486U JP H0352221 Y2 JPH0352221 Y2 JP H0352221Y2
- Authority
- JP
- Japan
- Prior art keywords
- drive cable
- seat belt
- cam
- guide tube
- connector
- 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
Links
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 229920003002 synthetic resin Polymers 0.000 claims description 5
- 239000000057 synthetic resin Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Automotive Seat Belt Assembly (AREA)
- Flexible Shafts (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は、シートに着座するとシートベルトが
自動的に装着され、降車するときは同じく自動的
に脱外されるようにした自動車のシートベルト自
動着脱装置における駆動ケーブルの端末部構造に
関する。[Detailed description of the invention] Industrial application field This invention is an automatic seatbelt attachment/detachment method for automobiles in which the seatbelt is automatically put on when a person is seated in the seat and automatically taken off when getting out of the vehicle. The present invention relates to a structure of a terminal portion of a drive cable in a device.
従来の技術及び考案が解決しようとする問題点
このようなシートベルト自動着脱装置は、自動
車の車体のドア開口に沿つて配設した軸方向の開
放溝を有する案内管に駆動ケーブルを摺動自由に
挿通してその基端をドア開口の後方部の下端に装
置した駆動ドラムに連結し、駆動ケーブルの先端
部に、案内管の開放溝を通して外方に突出する突
出部を有するコネクタとカムとを互いに所定の間
隔を空けて取り付け、このコネクタの突出部に、
シートに取り付けたシートベルトの巻取装置から
繰り出したシートベルトの先端部を連結し、一
方、ドア開口の後方部の内縁にはカムの突出部と
の係合により作動する連結装置を案内管の近傍に
取り付けた構成になり、シートに着座すると駆動
ドラムが駆動ケーブルを巻き取ることによりシー
トベルトの先端部がドア開口の後方部へ走行して
連結装置に到達し、このとき連結装置がカムとの
係合により作動することによつてシートベルトの
先端部がこの連結装置に離脱不能に連結され、ま
た、降車時には駆動ドラムが駆動ケーブルを送り
出すことによつて、カムとの係合により連結装置
によるシートベルトの先端部の連結が解除されて
シートベルトの先端部がドア開口の前方向に走行
して待機するようになつているが、駆動ケーブル
の先端部にコネクタ及びカムを取り付けるのに、
従来は、ケーブルの先端部に互いに所定の間隔を
空けてかしめ付けた２個の金具の内側にコネクタ
及びカムを嵌装するとともにこれらの間に多数個
のスペーサを相互の隣接部に適度な隙間が空くよ
うに嵌装して、駆動ケーブルのコネクタとカムの
間の部分が案内管のドア開口の角部において屈曲
した部分を走行するときに自由に屈曲し、かつ、
押し荷重による座屈を防止するようになつていた
が、コネクタとカムの間に嵌装される各スペーサ
の寸法精度を確保するのが困難であるためスペー
サの間に空けられる隙間にばらつきが生じ、この
隙間が小さい場合にはコネクタとカムの間の駆動
ケーブルが大きな曲率半径でしか曲げることがで
きず、したがつて、案内管の屈曲した部分で無理
に曲げられて摺動抵抗が過大となり、また、逆に
隙間が大き過ぎるとコネクタとカムとの離間距離
の遊びが大となるため連結装置のカムによる作動
が不確実となつて、シートベルトの先端部と連結
装置との連結不良やその連結の解除不良を生ずる
ことになり、さらに、コネクタとカムの間にスペ
ーサを嵌装するのに手間を要して作業能率が悪く
コスト高となる欠点があつた。Problems to be Solved by Conventional Technologies and Inventions Such an automatic seat belt attachment/detachment device is designed to allow a drive cable to freely slide into a guide tube having an axial open groove disposed along a door opening of an automobile body. a connector and a cam, the proximal end of which is inserted into the drive cable and connected to a drive drum installed at the lower end of the rear part of the door opening, and the drive cable has a protrusion that protrudes outward through the open groove of the guide tube at the distal end of the drive cable; spaced apart from each other, and attach the connector to the protruding part of the connector.
The leading end of the seat belt that is unwound from the seat belt retractor attached to the seat is connected to the seat belt, and a connecting device that is activated by engagement with the protruding part of the cam is attached to the inner edge of the rear part of the door opening on the guide tube. When a person sits on the seat, the drive drum winds up the drive cable, causing the tip of the seatbelt to travel toward the rear of the door opening and reach the coupling device. At this time, the coupling device connects with the cam. The distal end of the seat belt is irremovably connected to this coupling device by the engagement of the cam, and when the driver gets out of the vehicle, the drive drum sends out the drive cable and the coupling device is engaged with the cam. The seatbelt tip is now uncoupled and the seatbelt tip runs forward toward the door opening and waits, but it takes a long time to attach the connector and cam to the drive cable tip.
Conventionally, a connector and a cam are fitted inside two metal fittings that are caulked to the tip of the cable at a predetermined distance from each other, and a large number of spacers are placed between them to maintain appropriate gaps between adjacent parts. is fitted so that the drive cable is free, so that the portion of the drive cable between the connector and the cam bends freely when traveling through the bent portion of the guide tube at the corner of the door opening, and
This was designed to prevent buckling due to pushing loads, but it is difficult to ensure the dimensional accuracy of each spacer fitted between the connector and cam, resulting in variations in the gaps left between the spacers. If this gap is small, the drive cable between the connector and the cam can only be bent with a large radius of curvature, and the cable will be forced to bend at the bent part of the guide tube, resulting in excessive sliding resistance. On the other hand, if the gap is too large, there will be a large amount of play in the distance between the connector and the cam, making the operation of the cam of the coupling device uncertain, resulting in poor connection between the tip of the seat belt and the coupling device. This results in failure to release the connection, and furthermore, it takes time and effort to fit the spacer between the connector and the cam, resulting in poor work efficiency and high costs.
問題点を解決するための手段
本考案は、上記問題点を解決するための手段と
して、コネクタとカム、及び、これらを互いに連
結しかつ駆動ケーブルを案内管の中心に保持する
可撓性を有する連結筒とを合成樹脂の鋳込み成形
により駆動ケーブルの先端部に一体に形成した構
成とした。Means for Solving the Problems As a means for solving the above problems, the present invention has a connector, a cam, and a flexible structure that connects these to each other and holds the drive cable at the center of the guide tube. The connecting tube is integrally formed at the tip of the drive cable by casting synthetic resin.
作用及び効果
本考案の自動車のシートベルト自動着脱装置に
おける駆動ケーブルの端末部構造は上記構成にな
り、コネクタ、カム及び連結筒を一体に形成する
ようにしたから駆動ケーブルへの組付け作業を短
時間で行なうことができ、しかも、コネクタとカ
ムとの離間距離の寸法精度が高く維持されて連結
装置がカムとの係合により確実に作動し、また、
コネクタとカムとの間の駆動ケーブルが案内管の
屈曲した部分を走行する際、案内管に沿つて容易
に屈曲する連結筒により案内管の中心に保持され
つつ屈曲するため、案内管の外側や内側に擦り付
けられて駆動ケーブルが損傷したり摺動抵抗が増
大することがなく、駆動ケーブルを小さな操作力
で走行させることができる効果がある。Functions and Effects The structure of the end portion of the drive cable in the automatic seat belt attaching/detaching device for automobiles of the present invention has the above configuration, and since the connector, cam, and connecting tube are integrally formed, the assembly work to the drive cable is shortened. In addition, the dimensional accuracy of the separation distance between the connector and the cam can be maintained at a high level, and the coupling device can be operated reliably by engagement with the cam.
When the drive cable between the connector and the cam runs through the bent part of the guide tube, it is held at the center of the guide tube by the connecting tube that easily bends along the guide tube, and as a result, it bends while being held at the center of the guide tube. This has the effect that the drive cable can be run with a small operating force without being rubbed against the inside, causing damage to the drive cable or increasing sliding resistance.
実施例
以下、本考案の実施例を添付図面に基づいて説
明する。Embodiments Hereinafter, embodiments of the present invention will be described based on the accompanying drawings.
第１図において、１は数本の細鋼線を撚り合わ
せて形成したワイヤ２の周りを合成樹脂３で被覆
してなる駆動ケーブルであり、その端末部分の合
成樹脂３が所定長さにわたり切除されてケーブル
２が露出され、この露出したケーブル２の先端寄
りと後端寄りの２箇所に夫々リング形の金具５が
かしめ付けにより固着されており、この駆動ケー
ブル１の端末部分を鋳型の中に挿入してこの鋳型
内に溶融した合成樹脂を圧入することによつて、
第２図に鎖線で示すように、周面に軸方向の開放
溝６を有する案内管７の内径よりも外径が少し小
さい筒部８がワイヤ２の周りに同心に形成されて
いるとともに前後の金具５，５に対応する筒部８
の外周に、夫々、案内管７の開放溝６を通して外
方へ突出するコネクタ１０、カム１１が一体に突
成されており、これらのコネクタ１０とカム１１
の間の筒部８がこれらを互いに連結する連結筒１
２ａとなり、この連結筒１２ａの周面には、コネ
クタ１０、カム１１の突出方向と直角方向の両側
面に、夫々、ワイヤ２の外周に達する断面円形の
数個の窓孔１４が前後に一定間隔を空けて形成さ
れており、これにより、連結筒１２ａは第２図に
おいて案内筒７の開放溝６の開口方向と直角方向
における曲げ剛性が低くなつている。そして、こ
の駆動ケーブル１は図示しない自動車のドア開口
に沿つて配設した案内管７内に摺動自由に挿通さ
れてその他側の端末がドア開口の下端部に装置さ
れた駆動ドラムに連結され、案内管７の開放溝６
から突出したコネクタ１０にシートベルトの先端
部を連結するようになつており、駆動ドラムによ
り駆動ケーブル１を巻き取ることによつてシート
ベルトの先端部がドア開口の後方部に向つて走行
し、シートベルトの先端部がドア開口の内縁に固
定された連結装置に到達するとこれと同時に連結
装置がカム１１のカム面１３との係合により作動
してシートベルトの先端部が連結装置に離脱不能
に連結され、また、この状態で駆動ドラムから駆
動ケーブル１を送り出すとカム１１のカム面１３
との係合により連結装置のロツクが開除されてシ
ートベルトの先端部が連結装置から切り離されて
前方に走行するようになつているのであるが、本
実施例においては、コネクタ１０、カム１１及び
連結筒１２ａが鋳込み成形により一体に形成され
ているため、コネクタ１０とカム１１との離間距
離が製品相互間でばらつくことがなく常に一定の
寸法精度が確保され、これにより、連結装置がカ
ム１１のカム面１３との係合により確実に作動
し、また、案内管７はドア開口の角部においてそ
の開放溝６が常に同方向を向くように屈曲して配
設されるのであつて、一方、コネクタ１０とカム
１１の間の連結筒１２ａは前記したようにその案
内管７の屈曲方向に沿つた方向の曲げ剛性が低く
なつていることから、連結筒１２ａ案内管７の屈
曲部で容易に屈曲を生じつつ走行し、これによ
り、コネクタ１０とカム１１の間の駆動ケーブル
１が案内管７の屈曲部を円滑に通過する。なお、
本実施例においては、ワイヤ２に金具５をかしめ
付けた上に筒部８を成形するようにしたから、軸
方向の結合力が高まる利点がある。 In Fig. 1, reference numeral 1 denotes a drive cable made by covering a wire 2 formed by twisting several thin steel wires together with a synthetic resin 3, and the synthetic resin 3 at the end thereof is cut off over a predetermined length. The cable 2 is exposed, and ring-shaped metal fittings 5 are fixed by caulking to two locations of the exposed cable 2, one near the tip and the other near the rear end, and the terminal portion of the drive cable 1 is inserted into the mold. By inserting it into the mold and press-fitting the molten synthetic resin into the mold,
As shown by the chain line in FIG. 2, a cylindrical portion 8 having an outer diameter slightly smaller than the inner diameter of the guide tube 7 having an axial open groove 6 on the circumferential surface is formed concentrically around the wire 2 and Cylindrical portion 8 corresponding to the metal fittings 5, 5
A connector 10 and a cam 11 are integrally formed on the outer periphery of the guide tube 7 and project outward through the open groove 6 of the guide tube 7, respectively.
A connecting cylinder 1 in which a cylinder part 8 between them connects them to each other.
2a, and on the circumferential surface of this connecting cylinder 12a, several window holes 14 with a circular cross section reaching the outer periphery of the wire 2 are fixed in the front and back on both sides in the direction perpendicular to the protruding direction of the connector 10 and the cam 11. As a result, the connecting cylinder 12a has low bending rigidity in a direction perpendicular to the opening direction of the open groove 6 of the guide cylinder 7 in FIG. 2. The drive cable 1 is slidably inserted into a guide tube 7 (not shown) disposed along a door opening of an automobile, and the other end is connected to a drive drum installed at the lower end of the door opening. , open groove 6 of guide tube 7
The front end of the seat belt is connected to the connector 10 protruding from the seat belt, and by winding up the drive cable 1 with the drive drum, the front end of the seat belt travels toward the rear of the door opening. When the tip of the seat belt reaches the coupling device fixed to the inner edge of the door opening, the coupling device is simultaneously activated by engagement with the cam surface 13 of the cam 11, and the tip of the seat belt cannot be detached from the coupling device. In addition, when the drive cable 1 is sent out from the drive drum in this state, the cam surface 13 of the cam 11
When the connector 10, cam 11 and Since the connecting tube 12a is integrally formed by casting, the distance between the connector 10 and the cam 11 does not vary between products, and constant dimensional accuracy is always ensured. The guide tube 7 is bent at the corner of the door opening so that its opening groove 6 always faces in the same direction. As described above, the connecting cylinder 12a between the connector 10 and the cam 11 has low bending rigidity in the direction along the bending direction of the guide tube 7. As a result, the drive cable 1 between the connector 10 and the cam 11 passes smoothly through the bent portion of the guide tube 7. In addition,
In this embodiment, since the metal fitting 5 is caulked to the wire 2 and the cylindrical portion 8 is formed, there is an advantage that the bonding force in the axial direction is increased.
第３図乃至第７図は前記実施例の連結筒１２ａ
の変形例を示し、第３図に示す連結筒１２ｂは前
記連結筒１２ａの断面円形の窓孔１４に替えて周
方向に長い長円形の窓孔１５を形成し、第４図に
示す連結筒１２ｃは隣り合う窓孔１４，１４の中
間の外周に夫々案内管７の内周面に常に摺接する
幅狭の拡径段部１６を数個形成しかつ隣り合う拡
径段部１６同士の間の筒部８を少し薄肉としたも
のであつて、上記連結筒１２ｂ，１２ｃはいずれ
も前記連結筒１２ａよりさらに剛性が低くなつて
おり、第５図の連結筒１２ｄは断面円形の窓孔１
４を軸方向において交互に直角をなすように形成
し、第６図の連結筒１２ｅは前記連結筒１２ｄに
おける円形の各窓孔１４に替えて軸方向に長い長
円形の窓孔１７としたものであり、さらに、第７
図の連結筒１２ｆは窓孔に替えて、ワイヤ２に達
する１本の連続した溝１８を螺旋状に形成したも
のであつて、上記連結筒１２ｄ，１２ｅ，１２ｆ
においては、前記連結筒１２ａ，１２ｂ，１２ｃ
が曲げ剛性に方向性があるのに対してその方向性
がなくどの方向にも容易に屈曲するようになつて
いる。 3 to 7 show the connecting cylinder 12a of the above embodiment.
The connecting tube 12b shown in FIG. 3 has a circumferentially long oval window hole 15 instead of the circular cross-section window hole 14 of the connecting tube 12a, and the connecting tube 12b shown in FIG. 12c has several narrow diameter enlarged step portions 16 formed at the intermediate outer periphery of the adjacent window holes 14, 14 so as to be in constant sliding contact with the inner circumferential surface of the guide tube 7, and between the adjacent diameter enlarged step portions 16. The connecting cylinder 12b and 12c are both lower in rigidity than the connecting cylinder 12a, and the connecting cylinder 12d in FIG.
4 are formed alternately at right angles in the axial direction, and in the connecting tube 12e of FIG. 6, the circular window holes 14 in the connecting tube 12d are replaced by oval window holes 17 that are long in the axial direction. and furthermore, the seventh
The connecting cylinder 12f shown in the figure has one continuous groove 18 spirally formed to reach the wire 2 instead of a window hole, and the connecting cylinders 12d, 12e, 12f
, the connecting cylinders 12a, 12b, 12c
Although the bending rigidity of the flexure is directional, it is not directional and can be easily bent in any direction.
第１図は本考案の実施例の一部切欠側面図、第
２図は第１図のＡ−Ａ線拡大断面図、第３図乃至
第７図は連結筒の変形例を示す一部切欠側面図で
ある。
１：駆動ケーブル、６：開放溝、７：案内管、
１０：コネクタ、１１：カム、１２ａ，１２ｂ，
１２ｃ，１２ｄ，１２ｅ，１２ｆ：連結筒。
Fig. 1 is a partially cutaway side view of an embodiment of the present invention, Fig. 2 is an enlarged sectional view taken along the line A-A in Fig. 1, and Figs. 3 to 7 are partially cutaways showing modified examples of the connecting cylinder. FIG. 1: Drive cable, 6: Open groove, 7: Guide tube,
10: Connector, 11: Cam, 12a, 12b,
12c, 12d, 12e, 12f: connecting cylinders.
Claims (1)
た軸方向の開放溝を有する案内管に摺動自由に挿
通した駆動ケーブルの基端を前記ドア開口の後方
部の下端に装置した駆動ドラムに連結して該駆動
ドラムによる送り出しと巻き取りにより前記駆動
ケーブルを両方向に走行させるようにし、該駆動
ケーブルの先端部に前記案内管の開放溝を通して
外方に突出する突出部を有するコネクタとカムと
を互いに所定の間隔を空けて取り付け、前記コネ
クタの突出部にシートに取り付けたシートベルト
の巻取装置から繰り出した前記シートベルトの先
端部を連結し、前記駆動ドラムの巻き取りにより
前記シートベルトの先端部を前記ドア開口の後方
部へ走行させて、前記案内管の近傍に取り付けた
連結装置を前記カムの突出部との係合により作動
させて該連結装置に前記シートベルトの先端部を
連結するようにした自動車のシートベルト自動着
脱装置において、前記コネクタとカム、及び、こ
れらを互いに連結しかつ前記駆動ケーブルを前記
案内管の中心に保持する可撓性を有する連結筒と
を合成樹脂の鋳込み成形により前記駆動ケーブル
の先端部に一体に形成したことを特徴する自動車
のシートベルト自動着脱装置における駆動ケーブ
ルの端末部構造。 The proximal end of a drive cable, which is slidably inserted into a guide tube having an axial open groove disposed along the inner edge of a door opening of an automobile body, is connected to a drive drum installed at the lower end of the rear part of the door opening. a connector and a cam, which are connected to each other so that the drive cable runs in both directions by being fed out and wound up by the drive drum, and has a protrusion at the distal end of the drive cable that protrudes outward through the open groove of the guide tube; are attached to each other at a predetermined interval, and the leading end of the seat belt unwound from a seat belt retractor attached to the seat is connected to the protrusion of the connector, and the seat belt is retracted by the drive drum retracting the seat belt. The distal end of the seat belt is caused to run toward the rear of the door opening, and a coupling device attached near the guide tube is activated by engagement with the protrusion of the cam, thereby coupling the distal end of the seat belt to the coupling device. In the automatic seatbelt attachment/detachment device for an automobile, the connector, the cam, and a flexible connecting tube that connects these to each other and holds the drive cable at the center of the guide tube are made of synthetic resin. A drive cable terminal structure in an automatic seat belt attaching/detaching device for an automobile, characterized in that the drive cable is integrally formed at the distal end of the drive cable by casting molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1062486U JPH0352221Y2 (en) | 1986-01-28 | 1986-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1062486U JPH0352221Y2 (en) | 1986-01-28 | 1986-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62122756U JPS62122756U (en) | 1987-08-04 |
| JPH0352221Y2 true JPH0352221Y2 (en) | 1991-11-12 |
Family
ID=30797091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1062486U Expired JPH0352221Y2 (en) | 1986-01-28 | 1986-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352221Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009092608A1 (en) * | 2008-01-24 | 2009-07-30 | Meflex Telecontrol Gmbh & Co. Kg | Terminus cap for a drive cable, drive cable, method for the production of a terminus cap, and method for the production of a drive cable |
-
1986
- 1986-01-28 JP JP1062486U patent/JPH0352221Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62122756U (en) | 1987-08-04 |
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