JPS6135046Y2 - - Google Patents
Info
- Publication number
- JPS6135046Y2 JPS6135046Y2 JP15122579U JP15122579U JPS6135046Y2 JP S6135046 Y2 JPS6135046 Y2 JP S6135046Y2 JP 15122579 U JP15122579 U JP 15122579U JP 15122579 U JP15122579 U JP 15122579U JP S6135046 Y2 JPS6135046 Y2 JP S6135046Y2
- Authority
- JP
- Japan
- Prior art keywords
- tongue
- frame
- engagement
- engaging
- lock
- 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
- 210000000078 claw Anatomy 0.000 claims description 11
- 210000005182 tip of the tongue Anatomy 0.000 description 4
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
Landscapes
- Buckles (AREA)
- Automotive Seat Belt Assembly (AREA)
Description
【考案の詳細な説明】
本考案は自動車等のシートベルト用バツクルの
改良に関するものであり、その目的は全体の小形
化を図ることができると共に、フレームに対する
タングの結合の解離性が良く、しかも部品点数が
比較的少なく組立作業性の向上を図ることができ
るシートベルト用バツクルを提供するにある。[Detailed description of the invention] The present invention relates to an improvement of a seat belt buckle for automobiles, etc., and its purpose is to reduce the overall size, and to improve the ease of disassembly of the tongue to the frame. To provide a seat belt buckle that has a relatively small number of parts and can improve assembly workability.
以下本考案の一実施例を図面に基づいて説明す
る。 An embodiment of the present invention will be described below based on the drawings.
１は二分割形のカバー２内に挿設されたフレー
ムで、これは略Ｕ字状をなし、その一端部には例
えばワイヤ（図示せず）を介して自動車の車体に
連結した連結具３が鋲４により取着されている。
５は車体に連結したシートベルト（図示せず）に
取着されたタングで、このタング５の先端部分は
前記カバー２の端部に形成した受入口６からフレ
ーム１内方に挿入されるようになつており、該先
端部の両側縁部には係合部として切欠部７を形成
している。８はフレーム１内に軸９を介して図示
上下方向に回動可能に枢支された係合部材として
の係合板で、その図示上部の左右両側のうち軸９
側には爪部８ａを一体に延設すると共に反軸９側
には爪部８ａよりも大なる突出長さをもつて被当
接部８ｂを一体に延設し、更に円弧状をなす反軸
９側の外縁部中央には切欠段部８ｃを形成してい
る。１０はフレーム１の対向両側壁１ａ，１ａに
形成した扇状の透孔１１，１１に挿通支持された
ロツク部材としてのロツクバーで、これは透孔１
１，１１内において上端縁部分を中心に図示左右
方向に回動し得るようになつている。そして、こ
のロツクバー１０の図示下端を係止部１０ａとし
ている。１２は第一のばね部材たる第一のばね片
１２ａ及び第二のばね部材たる第二のばね片１２
ｂを一体に有する略八字状の板ばねで、これは中
間の屈曲部分をフレーム１の両側壁１ａ，１ａ間
に架設した固定ピン１３に枢着しており、第一の
ばね片１２ａを係合板８の図示下面に当接させる
と共に、第二のばね片１２ｂをロツクバー１０の
図示右側面に当接させている。而して、係合板８
は第一のばね片１２ａにより常時矢印Ａ方向に回
動付勢され、常には第１図に示すようにフレーム
１の折返えし屈曲部１ｂに当接した位置（以下解
除位置という）に保持されている。また、ロツク
バー１０は第二のばね片１２ｂにより常時矢印Ｂ
方向に回動付勢され、常には第１図に示すように
解除位置にある係合板８に当接した位置（以下解
除位置という）に留められていて、係合板８を反
矢印Ａ方向に回動自由にしている。そして、前記
タング５を受入口６からフレーム１内に挿入する
と、その挿入途中でタング５の先端部が係合板８
の被当接部８ｂに当接するようになつており、こ
れにより係合板８は反矢印Ａ方向に回動され、第
４図に示すように爪部８ａをタング５の切欠部７
に係合させて該タング５を抜止め状態にする係合
位置に至るようになつている。一方、ロツクバー
１０は係合板８が反矢印Ａ方向に回動すると、該
係合板８が係合位置に至つたところでその切欠段
部８ｃに遭遇し、第二のばね片１２ｂの付勢力に
より第４図に示す如く切欠段部８ｃ内に侵入する
ように矢印Ｂ方向に回動（ロツク動作）して、係
合板８を係合位置にロツクするロツク位置に至る
ようになつている。１４は係合板８に対するロツ
クバー１０のロツクを解除する操作手段たる操作
レバーで、その一端部にはフレーム１の両外側方
に位置する一対の突片１４ａ，１４ａを折曲形成
していて、これら突片１４ａ，１４ａに前記透孔
１１，１１と同形状の扇状の透孔１４ｂ，１４ｂ
を形成し、フレーム１から外方に突出するロツク
バー１０の両端部を夫々透孔１４ｂ，１４ｂに挿
入している。そして、第４図の状態において操作
レバー１４の操作端たる他端部を図示下方に押下
げると、該操作レバー１４はロツクバー１０を第
二のばね片１２ｂの付勢力に抗して反矢印Ｂ方向
に回動させつつ図示下方に回動し、これにより係
合板８に対するロツクバー１０のロツクを解除せ
しめるようになつている。１５は操作レバー１４
の他端部に取着した飾り用の釦、１６は操作レバ
ー１４とフレーム１との間に介装され操作レバー
１４を常時図示上方に付勢する圧縮スプリングで
ある。而して、本実施例においては第４図に示す
ように係合板８の回動中心と切欠段部８ｃとの間
の寸法l2を係合板８の回動中心と爪部８ａとの間
の寸法l1より大（l2＞l1）に設定し且つロツクバー
１０の回動中心と操作レバー１４の操作部分即ち
釦１５との間の寸法l4をロツクバー１０の回動中
心と係止部１０ａとの間の寸法l3より大（l4＞
l3）に設定している。 Reference numeral 1 denotes a frame inserted into a two-part cover 2, which is approximately U-shaped, and has a connector 3 connected to the body of the automobile via, for example, a wire (not shown) at one end thereof. is attached with studs 4.
Reference numeral 5 denotes a tongue attached to a seat belt (not shown) connected to the vehicle body, and the tip of the tongue 5 is inserted into the frame 1 through a receiving opening 6 formed at the end of the cover 2. Notches 7 are formed as engaging portions on both side edges of the tip. Reference numeral 8 denotes an engagement plate as an engagement member rotatably supported in the frame 1 via a shaft 9 in the vertical direction as shown in the figure.
A claw portion 8a is integrally extended on the opposite shaft 9 side, and a contact portion 8b is integrally extended on the opposite shaft 9 side with a longer protruding length than the claw portion 8a. A cutout step 8c is formed at the center of the outer edge on the shaft 9 side. Reference numeral 10 denotes a lock bar as a locking member inserted and supported in fan-shaped through holes 11, 11 formed in opposite side walls 1a, 1a of the frame 1;
1 and 11, it can be rotated in the left-right direction in the drawing around the upper edge portion. The lower end of the lock bar 10 in the drawing is a locking portion 10a. 12 is a first spring piece 12a which is a first spring member and a second spring piece 12 which is a second spring member.
This is a substantially eight-shaped leaf spring having an integral part b, and its middle bent portion is pivotally connected to a fixing pin 13 installed between both side walls 1a, 1a of the frame 1, and the first spring piece 12a is engaged with the fixing pin 13. It is brought into contact with the lower surface of the plywood 8 in the drawing, and the second spring piece 12b is brought into contact with the right side surface of the lock bar 10 in the drawing. Therefore, the engagement plate 8
is always urged to rotate in the direction of arrow A by the first spring piece 12a, and is always held in a position where it contacts the folded bent portion 1b of the frame 1 (hereinafter referred to as the release position) as shown in FIG. has been done. Further, the lock bar 10 is always moved by the arrow B by the second spring piece 12b.
As shown in FIG. 1, the engagement plate 8 is normally held at a position in contact with the engagement plate 8 which is in the release position (hereinafter referred to as the release position), and the engagement plate 8 is rotated in the opposite direction of arrow A. It is free to rotate. When the tongue 5 is inserted into the frame 1 through the receiving opening 6, the tip of the tongue 5 is inserted into the engagement plate 8.
As a result, the engagement plate 8 is rotated in the opposite direction of arrow A, and the claw 8a is brought into contact with the notch 7 of the tongue 5 as shown in FIG.
When the tongue 5 is engaged with the tongue 5, the tongue 5 reaches an engagement position in which it is prevented from coming off. On the other hand, when the engagement plate 8 rotates in the opposite direction of the arrow A, the lock bar 10 encounters the notch step 8c when the engagement plate 8 reaches the engagement position, and the lock bar 10 encounters the notch step 8c due to the biasing force of the second spring piece 12b. As shown in FIG. 4, it rotates in the direction of arrow B (locking operation) so as to enter into the notch step 8c, and reaches the locking position where the engagement plate 8 is locked in the engagement position. Reference numeral 14 denotes an operating lever which is an operating means for releasing the lock of the lock bar 10 from the engagement plate 8. A pair of protrusions 14a, 14a located on both outer sides of the frame 1 are bent at one end thereof. Fan-shaped through holes 14b, 14b having the same shape as the through holes 11, 11 are provided in the projecting pieces 14a, 14a.
, and both ends of the lock bar 10 protruding outward from the frame 1 are inserted into the through holes 14b, 14b, respectively. In the state shown in FIG. 4, when the other end of the operating lever 14 is pushed down in the downward direction in the figure, the operating lever 14 moves the lock bar 10 against the biasing force of the second spring piece 12b in the direction indicated by arrow B. In this way, the lock bar 10 is unlocked from the engagement plate 8. 15 is the operating lever 14
A decorative button 16 attached to the other end is a compression spring that is interposed between the operating lever 14 and the frame 1 and always urges the operating lever 14 upward in the drawing. In this embodiment, as shown in FIG. is set to be larger than l 1 (l 2 > l 1 ), and the dimension l 4 between the rotation center of the lock bar 10 and the operating part of the operating lever 14, that is, the button 15, is locked to the rotation center of the lock bar 10. The dimension between part 10a is larger than l 3 (l 4 >
l 3 ).
次に上記構成の作用を説明する。タング５をフ
レーム１に連結すべく、該タング５をカバー２の
受入口６からフレーム１内に挿入してゆくと、そ
の途中でタング５の先端部が係合板８の被当接部
８ｂに当接し、以後タング５は係合板８を第一の
ばね片１２ａの付勢力に抗して反矢印Ａ方向に回
動させつつ挿入されてゆく。そして、係合板８が
爪部８ａをタング５の切欠部７に侵入させてこれ
と係合する係合位置に至ると、同時に係合板８の
切欠段部８ｃがロツクバー１０と遭遇するため、
ロツクバー１０は第二のばね片１２ｂの付勢力に
より矢印Ｂ方向に回動して切欠段部８ｃ内に侵入
し、係合板８を係合位置にロツクする（第４図参
照）。従つて第４図の状態においては、タング５
は係合位置にロツクされている係合板８の爪部８
ａとの係合により抜止めされてフレーム１に結合
した状態にある。次にフレーム１とタング５との
結合を解くには操作レバー１４を下方に押下げれ
ばよい。このようにすると、ロツクバー１０が操
作レバー１４により第二のばね片１２ｂの付勢力
に抗して反矢印Ｂ方向に回動されて係合板８の切
欠段部８ｃから抜出し、係合板８に対するロツク
を解除する。これにより係合板８が第一のばね片
１２ａの付勢力により矢印Ａ方向に回動してタン
グ５の切欠部７に対する爪部８ａの係合を解除す
るためタング５はフレーム１から抜出可能となり
フレーム１との結合が解除される。尚、本実施例
においては、係合板８が矢印Ａ方向に回動して解
除位置に復帰する際、その回動途中で係合板８の
被当接部８ｂがタング５の先端部に衝当してこれ
を抜出方向に突出すためフレーム１からのタング
５の抜出は自然に行われる。 Next, the operation of the above configuration will be explained. When the tongue 5 is inserted into the frame 1 from the receiving opening 6 of the cover 2 in order to connect the tongue 5 to the frame 1, the tip of the tongue 5 touches the abutted part 8b of the engagement plate 8 midway through the insertion. After this, the tongue 5 is inserted while rotating the engagement plate 8 in the opposite direction of arrow A against the biasing force of the first spring piece 12a. Then, when the engagement plate 8 reaches the engagement position where the claw portion 8a enters the cutout portion 7 of the tongue 5 and engages therewith, the cutout stepped portion 8c of the engagement plate 8 encounters the lock bar 10 at the same time.
The lock bar 10 is rotated in the direction of arrow B by the biasing force of the second spring piece 12b, enters the notch step 8c, and locks the engagement plate 8 in the engagement position (see FIG. 4). Therefore, in the state shown in FIG.
is the claw portion 8 of the engagement plate 8 that is locked in the engagement position.
It is in a state where it is prevented from coming off by engagement with a and is connected to the frame 1. Next, in order to release the connection between the frame 1 and the tongue 5, the operating lever 14 can be pushed down. In this way, the lock bar 10 is rotated by the operation lever 14 in the opposite direction of arrow B against the biasing force of the second spring piece 12b, and is pulled out from the notch step 8c of the engagement plate 8, and is locked against the engagement plate 8. Release. As a result, the engagement plate 8 is rotated in the direction of arrow A by the biasing force of the first spring piece 12a, and the engagement of the claw portion 8a with the cutout portion 7 of the tongue 5 is released, so that the tongue 5 can be pulled out from the frame 1. The connection with frame 1 is then released. In this embodiment, when the engagement plate 8 rotates in the direction of arrow A and returns to the release position, the abutted portion 8b of the engagement plate 8 hits the tip of the tongue 5 during the rotation. Since the tongue 5 is then projected in the extraction direction, the tongue 5 is naturally extracted from the frame 1.
上記のように構成した本実施例によれば、フレ
ーム１を略Ｕ字状に形成したので、タング５はフ
レーム１の折返えし屈曲部１ｂに沿つて挿入する
ことができ、この結果、従来のように係合板をタ
ングの両側に配設する必要がなく、１個の係合板
８でタング５をフレーム１に結合することができ
るため、全体の幅寸法（第１図において上下方向
の寸法）を小さく設定することができるようにな
る。また、切欠部７をタング５の側縁部に形成し
たので、係合板８をタング５と同一面に配置する
ことができ、全体の厚さ寸法（第２図において左
右方向の寸法）をも小さく設定することができ
る。また、係合板８、ロツクバー１０及び操作レ
バー１４をいずれも回動可能に枢設し且つ係合板
８の回動中心と切欠段部８ｃ及び爪部８ａとの間
の寸法l2，l1並びにロツクバー１０の回動中心と
操作レバー１４の釦１５及び係止部１０ａとの間
の寸法l4，l3を夫々l2＞l1，l4＞l3に設定したの
で、所謂レバー比（ｌ２／ｌ１×ｌ４／ｌ３）が大きく
なり、釦１
５に加えた操作力がてこの原理により拡大されて
ロツクバー１０に作用するようになる。このた
め、仮にタング５に大きな引張力が作用し、これ
により係合板８の切欠段部８ｃがロツクバー１０
の係止部１０ａに強く圧接されてここに大きな摩
擦力が生じていたとしても、この摩擦力に抗して
ロツクバー１０を解除位置へ回動させるに必要な
操作力即ち操作レバー１４の釦１５を押圧する力
は小さくて済み、解離性が良くなる。しかも上記
のように多大な効果を奏しながらも部品点数が比
較的少なく組立てを容易に行うことができる。 According to this embodiment configured as described above, since the frame 1 is formed into a substantially U-shape, the tongue 5 can be inserted along the folded bent portion 1b of the frame 1. There is no need to arrange engagement plates on both sides of the tongue as shown in Figure 1, and the tongue 5 can be connected to the frame 1 with one engagement plate 8. ) can be set smaller. Furthermore, since the notch 7 is formed on the side edge of the tongue 5, the engagement plate 8 can be placed on the same surface as the tongue 5, and the overall thickness dimension (the dimension in the left-right direction in FIG. 2) can be reduced. Can be set small. Furthermore, the engagement plate 8, the lock bar 10, and the operating lever 14 are all pivotally arranged to be rotatable, and the dimensions l 2 , l 1 and between the center of rotation of the engagement plate 8 and the cutout step portion 8c and the claw portion 8a are Since the dimensions l 4 and l 3 between the center of rotation of the lock bar 10 and the button 15 and locking portion 10a of the operating lever 14 are set to l 2 > l 1 and l 4 > l 3 , respectively, the so-called lever ratio ( l 2 /l 1 ×l 4 /l 3 ) increases, and the operating force applied to the button 15 is magnified by the principle of leverage and comes to act on the lock bar 10. Therefore, if a large tensile force is applied to the tongue 5, the cutout step 8c of the engagement plate 8 is pushed against the lock bar 10.
Even if the lock bar 10 is strongly pressed against the locking portion 10a and a large frictional force is generated there, the operating force required to rotate the lock bar 10 to the release position against this frictional force, that is, the button 15 of the operating lever 14 is The pressing force required is small, and the dissociation property is improved. Furthermore, while producing the great effects as described above, the number of parts is relatively small and assembly can be performed easily.
尚、上記実施例ではロツクバー１０と操作レバ
ー１４を別個に形成したが、これは例えばプラス
チツクの同時成形によつて一体に形成してもよ
い。 In the above embodiment, the lock bar 10 and the operating lever 14 are formed separately, but they may be formed integrally, for example, by simultaneous molding of plastic.
本考案は以上説明したように、全体の小形化を
図ることができると共に、フレームに対するタン
グの結合の解離性が良く、しかも部品点数が比較
的少なく組立作業性の向上を図ることができるシ
ートベルト用バツクルを提供し得る。 As explained above, the present invention is a seat belt that can be made smaller overall, has a tongue that can be easily separated from the frame, and has a relatively small number of parts, and can improve assembly workability. A buckle for use may be provided.
図面は本考案の一実施例を示し、第１図は解除
状態で示す全体の縦断側面図、第２図は第１図中
−線に沿う断面図、第３図は全体の横断面
図、第４図は結合状態で示す全体の縦断側面図で
ある。
図中、１はフレーム、５はタング、７は切欠部
（係合部）、８は係合板（係合部材）、８ａは爪
部、８ｃは切欠段部、１０ａは係止部、１０はロ
ツクバー（ロツク部材）、１２は板ばね、１２ａ
は第一のばね片（第一のばね部材）、１２ｂは第
二のばね片（第二のばね部材）、１４は操作レバ
ー（操作手段）である。
The drawings show an embodiment of the present invention, in which FIG. 1 is a vertical sectional side view of the entire body shown in a released state, FIG. 2 is a sectional view taken along the line - in FIG. FIG. 4 is a longitudinal cross-sectional side view of the entire assembly in a coupled state. In the figure, 1 is a frame, 5 is a tongue, 7 is a notch (engaging part), 8 is an engagement plate (an engagement member), 8a is a claw part, 8c is a notch step part, 10a is a locking part, and 10 is a Lock bar (lock member), 12 is a leaf spring, 12a
12b is a second spring piece (second spring member), and 14 is an operating lever (operating means).
Claims (1)
有し前記フレーム内に挿入されるタングと、爪部
及び切欠段部を有し前記フレームに爪部が前記タ
ングの係合部と係合する係合位置とその係合を解
く解除位置との間で往復回動可能に設けられ第一
のばね部材により常時解除位置方向に回動付勢さ
れていて前記タングの挿入に伴つて係合位置に回
動変位する係合部材と、係止部を有し前記フレー
ムに係止部が前記係合部材の切欠段部と係合して
係合部材を係合位置にロツクするロツク位置とそ
のロツクを解く解除位置との間で往復回動可能に
設けられ第二のばね部材により常時ロツク位置方
向に回動付勢されていて前記係合部材が係合位置
に至るとロツク動作するロツク部材と、前記フレ
ームに前記ロツク部材の回動中心を中心にして回
動可能に設けられロツク部材を解除位置方向に回
動変位させて前記係合部材に対するロツクを解除
せしめる操作手段とを具備し、前記係合部材の回
動中心と前記切欠段部との間の寸法を前記係合部
材の回動中心と前記爪部との間の寸法より大に設
定し且つ前記ロツク部材の回動中心と前記操作手
段の操作部分との間の寸法を前記ロツク部材の回
動中心と前記係止部との間の寸法より大に設定し
たことを特徴とするシートベルト用バツクル。 a frame having a substantially U-shape; a tongue having an engaging portion on a side edge and inserted into the frame; and a tongue having a claw portion and a notch step portion, the claw portion of which is attached to the frame and the engaging portion of the tongue. The tongue is provided so as to be rotatable back and forth between an engagement position where the tongue is engaged and a release position where the engagement is released, and is constantly biased to rotate in the direction of the release position by a first spring member. The frame includes an engaging member that is rotated to the engaging position, and a locking portion, and the locking portion engages with the notch step of the engaging member to lock the engaging member in the engaging position. It is provided so as to be rotatable back and forth between a lock position and a release position for releasing the lock, and is constantly urged to rotate in the direction of the lock position by a second spring member, and when the engagement member reaches the engagement position, the lock is locked. a locking member that operates, and an operating means that is rotatably provided on the frame to rotate about the rotational center of the locking member and that rotates the locking member toward a release position to release the lock on the engaging member. The dimension between the rotation center of the engagement member and the notch step portion is set to be larger than the dimension between the rotation center of the engagement member and the claw portion, and A buckle for a seat belt, characterized in that the dimension between the center of rotation and the operating portion of the operating means is set larger than the dimension between the center of rotation of the locking member and the locking portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15122579U JPS6135046Y2 (en) | 1979-10-30 | 1979-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15122579U JPS6135046Y2 (en) | 1979-10-30 | 1979-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5669008U JPS5669008U (en) | 1981-06-08 |
| JPS6135046Y2 true JPS6135046Y2 (en) | 1986-10-13 |
Family
ID=29382199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15122579U Expired JPS6135046Y2 (en) | 1979-10-30 | 1979-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6135046Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6091011U (en) * | 1983-11-30 | 1985-06-21 | 日本精工株式会社 | Batsukuru |
-
1979
- 1979-10-30 JP JP15122579U patent/JPS6135046Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5669008U (en) | 1981-06-08 |
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