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五、發明説明（I ) 本發明係有關於一種兒童座椅之安全帶用收縮裝置， 特別是有關於一種包含有可強制鎖固安全帶之手動鎖固機 構之兒童座椅之安全帶用收縮裝置。 習知之兒童座椅之安全帶用收縮裝置，係包含有一用 以鎖固安全帶並使之呈拉出自如之狀態之緊急鎖固機構， 及一用以使该緊急鎖固機構強制作動之手動鎖固機構。 此時，該手動機構雖係藉由以引線連結之操作部而進 行操作，但於外力施加在操作部上時，該手動鎖固機構將 自動解除。如此一來，一旦手動鎖固機構自動解除，安全 帶即由緊急鎖固機構拉出而造成危險。 本發明即考慮此點而形成者，其目的在於提供一種不 會使緊急鎖固解除之兒童座椅之安全帶用收縮裝置。 本發明之兒童座椅之安全帶用收縮裝置係包含有：一 緊急鎖固機構，係用以鎖固安全帶並使之呈拉出自如之狀 態者；一手動鎖固機構，係用以使緊急鎮固機構強制作動 者，及，一操作部，係藉由引線而與手動鎖固機構相連結 者；且，該操作部係具有··框體，係具有導向槽者，該導 向槽則由一朝引線方向延伸之滑動槽，及一於該滑動槽之 端部以相對於該滑動槽呈銳角彎曲之卡止槽所構成；及， 滑動體，係配置於框體内而呈自由滑動之狀態，並具有一 可插入導向槽之銷且與引線相連結者；而，於框體内令滑 動體滑動而拉動引線，並使滑動體之銷由導向槽之滑動槽 移動至卡止槽而將滑動趙卡止。 本發明之兒童座椅之安全帶用收縮裝置，於前述滑動 本紙張尺度適用中國國家標準（CNs) A4規格（210X297公爱） (請先閲讀背面之注意事項再填寫本頁) -訂· -4- 587032 A7 B7 五、發明説明（2.) 體之銷位於導向槽之滑動槽中之狀態下，該滑動體係呈一 部分由框體朝外部突出之狀態，而，於前述滑動體之銷位 於導向槽之卡止槽中之狀態下，該滑動體全體沒入框體内。 本發明之兒童座椅之安全帶用收縮裝置中，前述滑動 體上係設有一用以插入導向槽之滑動槽内之追加銷。 本發明之兒童座椅之安全帶用收縮裝置中，前述引線 係藉由彈簧而與滑動體之銷相連結。 本發明之兒童座椅之安全帶用收縮裝置中，前述滑動 體之銷係突出於框體外，並於該銷之突出部上設有一手柄。 本發明之兒里座椅之安全帶用收縮裝置中，前述滑動 體係具有把手。 本發明之兒里座椅之安全帶用收縮裝置中，前述框體 上係設有一搖動桿，於前述滑動體之銷由導向槽至卡止槽 之狀態下該搖動桿之一端側係按壓前述銷，而該搖動桿之 另一端側係由該框體朝外突出，並藉由將該搖動桿之另一 端側朝該框體内按壓，使該滑動體於該框體内滑動，而使 前述銷由卡止槽移動至滑動槽。 本發明之兒童座椅之安全帶用收縮裝置中，前述搖動 桿係於框體上藉由搖動軸設置呈自由搖動之狀態。 本發明之兒童座椅之安全帶用收縮裝置中，前述引線 係藉由彈簧而與滑動體之銷相連結。 本發明之兒童座椅之安全帶用收縮裝置中，前述搖動 才干係藉由搖動彈簧賦予一使其另一端側沒入框體内之勢 能0V. Description of the invention (I) The present invention relates to a retractable device for a seat belt of a child seat, and more particularly to a retractable seat belt for a child seat including a manual locking mechanism capable of forcibly locking the seat belt. Device. The conventional child seat seat belt retracting device includes an emergency locking mechanism for locking the seat belt and pulling it out freely, and a manual operation for forcibly activating the emergency locking mechanism. Locking mechanism. At this time, although the manual mechanism is operated by an operation portion connected by a lead wire, the manual locking mechanism is automatically released when an external force is applied to the operation portion. In this way, once the manual locking mechanism is automatically released, the seat belt is pulled out by the emergency locking mechanism and causes danger. The present invention has been made in consideration of this point, and an object thereof is to provide a retractable device for a seat belt of a child seat that does not release the emergency lock. The retractable device for a child seat of the present invention includes: an emergency locking mechanism for locking the seat belt and pulling it out freely; a manual locking mechanism for enabling the Actors who are forced by the emergency stabilizing mechanism, and an operating unit that is connected to the manual locking mechanism by a lead; and, the operating unit has a frame body, a guide groove, and a guide groove It consists of a sliding groove extending in the direction of the lead, and a locking groove bent at an acute angle with respect to the sliding groove at the end of the sliding groove; and, the sliding body is arranged in the frame to slide freely And a pin that can be inserted into the guide groove and connected to the lead; and the slider is slid inside the frame to pull the lead, and the pin of the slide is moved from the slide groove of the guide groove to the locking groove And will slide Zhao Kazhi. The child seat seat belt retracting device of the present invention applies the Chinese national standard (CNs) A4 specification (210X297 public love) to the aforementioned sliding paper size (please read the precautions on the back before filling out this page)-Order ·- 4- 587032 A7 B7 V. Description of the invention (2.) In the state where the pin of the body is located in the sliding groove of the guide groove, the sliding system is partially protruding from the frame to the outside, and the pin of the sliding body is located In a state where the guide groove is in the locking groove, the whole sliding body is submerged into the frame body. In the seat belt retracting device of the present invention, the sliding body is provided with an additional pin for inserting into the sliding groove of the guide groove. In the retractable device for a seat belt of the present invention, the lead wire is connected to a pin of the sliding body by a spring. In the retractable device for a child seat of the present invention, the pin of the sliding body is protruded from the frame body, and a handle is provided on the protruding portion of the pin. In the retractable device for a seat belt of the child's seat of the present invention, the sliding system has a handle. In the retractable device for a seat belt of a child seat of the present invention, the frame is provided with a rocking lever, and one end of the rocking lever presses the aforementioned side when the pin of the sliding body moves from the guide groove to the locking groove. Pin, and the other end side of the rocker lever protrudes outward from the frame body, and the sliding body slides in the frame body by pressing the other end side of the rocker lever toward the frame body, so that The pin is moved from the locking groove to the sliding groove. In the retractable device for a safety belt of a child seat of the present invention, the aforementioned swing lever is attached to the frame and is set to swing freely by a swing axis. In the retractable device for a seat belt of the present invention, the lead wire is connected to a pin of the sliding body by a spring. In the retractable device for a safety belt of a child seat of the present invention, the aforementioned shaking ability is given a potential energy by which the other end side is sunk into the frame by a rocking spring.
-5- A7 B7 _ 五、發明説明（3_ ) — ^~ 本發明之兒童座椅之安全帶用收縮裝置中，前述搖動 體係具有把手。 本發明之兒童座椅之安全帶用收縮裝置中，前述滑動 體上係形成有一長孔，且前述銷可於該長孔内自由移動。 依據本發明，使導向槽之端部彎曲而形成卡止槽，並 可藉由在該卡止槽内插入銷而使滑動體保持在鎖固狀態， 因而使操作部之構造簡單化。且前述銷不易由導向槽之卡 止槽滑出。 依據本發明，可視滑動體是否由框體突出而辨識其是 否呈鎖固狀態，且縱使該滑動體上有外力施加作用時，滑 動體仍深鎖於框體内，因此可有效防止鎖固輕易解除之問 題。 依據本發明，則僅需將搖動桿壓入框體内即可進行鎖 固之解除。 以下為圖不之簡單說明。 第1圖所示者係本發明相關之兒童座椅之安全帶用收 縮裝置之一實施型態之部分切口透視圖。 第2(a)圖所示者係第1圖所示之安全帶用收縮裝置之 操作部之動作之概念截面圖，並呈非鎖固狀態，而第2 (b) 圖所示者為其鎖固狀態圖。 第3圖所示者係第1圖所示之安全帶用收縮裝置之操作 部之變形例透視圖。 第4圖所示者係本發明相關之兒童座椅之安全帶用收 縮裝置中操作部之另一實施型態之部分切口透視圖。 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） (請先閲讀背面之注-&事項再填寫本頁) 訂- -6- 、發明説明（ 第5(a)圖所示者係第4圖所示之安全帶用收縮裝置之 操作部之動作之概念截面圖，並呈非鎖固狀態，而第5(b) 圖所示者為其鎖固狀態圖。 第6 (a)圖所示者係兒童座椅之前面側之透視圖，而 第6 ( b )圖所示者為其背面側之透視圖。 第7圖所示者係兒童座椅之安全帶用收縮裝置之比較 例之透視圖。 以下，參照圖示說明本發明之實施型態。 第1圖至第6圖所示者係本發明所做之兒童座椅之安全 帶用收縮裝置。 首先，藉由第6圖說明設有安全帶用收縮裝置之兒童座 椅。 如第ό ( a ) 、（ b )圓所示，兒童座椅50係具備有一用 以收容幼兒之兒童座椅本體51，及一用以將該兒童座椅安 置於車輛之座椅上之底座52。該兒童座椅本體51之座部51a 上係設有一抵腹構件53，而由兒童座椅本體51之背部5 lb 拉出之肩帶54與固定於兒童座椅本體51上之腰帶55，係藉 由裝卸配件56與抵腹構件53相結合。肩帶54係於背部51b 之裏面側固定於板狀之安全帶調整配件57之一端上，而該 安全帶調整配件57之另一端上則固定有由安全帶用收縮裝 置60拉出之長度調整帶58。 使用前述兒童座椅時，係將底座52以車輛座椅安全帶 B固定於汽車之座位S上，並使幼兒坐在兒童座椅本餿51之 座部51a上。此時，幼兒之頭部係位於肩帶54、54間，而肩 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） -------------------裝------------------訂..................線. (請先閲讀背面之注意事項再填寫本頁) 587032 A7 B7 五、發明説明（5 ) 帶54則以按抵幼兒肩膀之狀態固定於抵腹構件53上。且， 前述抵腹構件53形成由幼兒之腹部覆住胸部之狀態，而兩 腳則由抵腹構件53之兩側朝前方伸出。 於Ά車正常行驶之狀態下’雖因安全帶用收縮襞置的 而使肩帶54對幼兒產生若干拉力，卻也隨著幼兒之活動而 拉出或拉回。因此，於幼兒活動而牽動肩帶54時，肩帶54 乃由兒童座椅本體51拉出，且於肩帶54鬆弛時即自動拉 回。如此一來，幼兒則可以微受限制之狀態坐在兒童座椅 本體51上。 另’於緊急煞車時，安全帶用收縮裝置60乃緊急作動。 即由方；焦急煞車寻以致幼兒身體突然向前探出，因此肩 f 5 4急遽拉動’且長度調整帶5 8亦急遽拉出。然而，於如 此情形下，安全帶用收縮裝置60將因此一加速作用而卡止 並緊急鎖固，而使長度調整帶58不再拉出。此一結果乃使 肩帶54之拉出受限，且幼兒亦藉由抵腹構件53及肩帶54按 住身體全體而可確保其安全。 而’兒童座椅於幼兒緩慢移動時，該安全帶用收縮裝 置60係不進行作動，因此安全帶可順利拉出，且幼兒可由 肩帶54脫離。 本發明之安全帶用收縮裝置60即用以防止此種安全帶 拉出之問題者。 如第1圖所示，該安全帶用收縮裝置60係包含有一緊急 鎖固部（緊急鎖固機構）A、一手動鎖固部（手動鎖固機 構）B及一操作部c，該緊急鎖固部a係用以鎖固長度調整 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） (請先閲讀背面之注意事項再墦寫本頁) ·、τ. · -8- 587032 A7 ---- -__ ( 6. ) _ "—-- 帶58並使之呈拉出自如之狀態者，該手動鎖固部3係用以 使緊急鎖固部A強制作動者，該操作部c係藉由引線而與手 動鎖固部B相連結者。 其中，緊急鎖固部A與手動鎖固部b係設置於第丨圖中 形成呈截面3字狀之框體61内，並由此處拉出引線而與 操作部C相連結。 ' 緊急鎖固部A係包含有一用以捲繞及放出長度調整帶 58之鼓輪63，一與該鼓輪63一體進行旋轉之齒輪64，及一 用以卡止該齒輪64之卡止爪65。 且’因相撞或緊急煞車等使長度調整帶58急遽拉動 時，藉其加速度而使卡止爪65進行作動，並使該卡止爪65 與齒輪64相卡合。因此，鼓輪63即行鎖固，並阻止長度調 整帶5 8拉出。而該緊急鎖固部a之構造本身即具有各種作 用。 手動鎖固部B係包含有一旋動板67及一彈簧69，該旋 動板係设於框體61上所設之軸66上，並呈自由旋動之狀態 者’而該彈簧69係拉設於框體61上所植入設置之銷μ與旋 動板67間者。旋動板67係藉由引線11與操作部c相連結， 而卡止爪65則固定於驅動板70上。 且，藉由操作部C之操作而拉動引線11，並使旋動板 67進行旋動。如此一來，則可藉由旋動板67驅動驅動板7〇， 並隨之使卡止爪65卡止於齒輪64上。因此，鼓輪63即被強 制進行鎖固。 又，如第1圖所示之操作部C係包含有一上方具有開口 本紙張尺度適用中國國家標準（CNS) A4規格（210 X 297公釐） •.......................裝…… {請先閲讀背面之注意事项再填窝本頁) -訂— :線· -9- 587032 A7 B7 五、發明説明（ 1之箱狀之框體2，且該框體2之兩側壁2a、2a上則形成有導 向槽3。該導向槽3係由一呈直線狀之滑動槽4，與一於該滑 動槽4之端部呈銳角彎曲之卡止槽5所構成者。 該操作部C並包含有一可沿框體2内移動之滑動體6。 該滑動體6係形成下方開口之η字狀，並於上部具有把手7。 且，各於滑動體6之兩側壁6a、6a之端部上，朝外突出設置 有銷8、9。而，該等銷8、9中，銷（追加銷）8係分別植入 設置於各側壁6a、6a上，銷9係跨兩側壁6a、6a而貫通設置。 且，銷8、9係插嵌於前述框體2之滑動槽4中，並藉此 引導滑動體6沿導向槽3滑動。 又，該操作部C之框體2上係與軟管1〇之一端相卡止， 且忒軟官10内之引線11之一端係藉由彈簧丨2而與銷9相連 1吉。 如此形成之操作部C，於手動鎖固機構B解除之狀態下 (即未作動之狀態），係呈第！圆及第2(a)圖所示之狀態。 即，藉由彈簧12賦予之勢能，滑動體6乃位於第2 (a)圖中 之左方。於此一狀態下，銷8、9係於導向槽3之滑動槽4内， 且滑動體6之把手7係由框體2之開口丨朝上方露出。 右由第2(a)圖所不之狀態將把手7朝箭頭方向拉動而 移動滑動體6,則銷9將進入卡止槽5内，隨之滑動體6乃如 第2(b)圖所示，以銷（追加消）8為中心朝順時針方向旋 動，而銷9則停止於卡止槽5之端部。於此一狀態下，引線 ㈣潛人框心1且滑動體6藉由彈簧12賦予之勢能而使 銷9止於卡止槽5之端部。藉此，銷9則保持呈該狀態，即鎖 本紙張尺度適用中國國家標準（CNS) A4規格(210X297公楚7 ......... ......---- (請先閲讀背面之注意事項再填寫本頁) .、tr— -10- 固狀態，且滑動體6之把手7呈沒入框體2内之狀態。 a此外，要解除如此之鎖固狀態時，只要如第2 ( b )圖 中箭頭所示般將滑動體6之把手7往上提，則可藉由彈簧12 賦予之·勢能將滑動體6回復成第2 U)圖之狀態，隨之引線 Η亦放鬆。 第3圖所示者係上述實施型態之變形例。 …4 ’交形例係將上述實施型態中之滑動體6之把手7，取 、為衣。又彳本作手柄1 J於銷9之端部上，其他點則與上述實 施型態相同。因此，第3圖中，與第1圖及第2圖所示之實施 型態相同之元件則標以同一符號並省略其說明。 該變形例中，銷9係朝框體2外突出，並於銷9之突出部 分上設有一操作手柄13。握住操作手柄13，藉由將滑動體6 之銷9導向卡止槽5而使滑動體6保持呈鎖固狀態，再握住操 作手柄13，將滑動體6之銷9由卡止槽5導向滑動槽4而使滑 動體6由鎖固狀態解除。 第4圖所示者係本發明之安全帶用收縮裝置6〇之操作 部c之另一實施型態，而第5(a)圖係顯示該操作部c之動 作狀態。 如第4圖及第5圖所示，操作部c係包含有一上方具有 開口 21之箱狀之框體22，且該框體22之兩側壁22a、22a上 形成有導向槽23、23。該等導向槽23係由一呈直線狀之滑 動槽24 ,與一於該滑動槽24之端部呈銳角彎曲之卡止槽25 所構成者。 又，該操作部c於框體内含有一與導向槽23之滑動槽 本紙張尺度適用中國國家標準（挪）A4規格（210X297公釐） -11- 587032 五、發明説明（9-) 24呈平打移動之滑動體26。滑動體％係呈下方開口之〕字 狀並於上口p具有把手27，且於兩側壁26a、26a上形成有 長孔28、28。❿，該等長孔28、28中插有㈣，進而使銷 29之兩端部插嵌於框體22之導向槽^中。 又幻木作邛c並包含有一鎖固解除桿（搖動桿）3〇。 該鎖固解除桿30係藉由使自該桿3〇朝外突設之軸(搖動轴) 、Μ㈣於框體22之側壁22a、22a上所形成之孔32、^ 中，而使之支持於框體22上並呈自由旋動之狀態。該续固 解除才干30係形成主l字狀，且一端側沿導向槽23跨越該導 向扎23之端。卩而延伸設置，另一端側則延伸設置至框體= 之上部’並於另一端側上形成有把手33。I，該鎖固解除 桿30’可藉由勢能賦予較弱之彈簧34，於非鎖固之狀態下’ 賦予一使把手33沒入框體22内之勢能。 又，該操作部C之框體22上係與軟管35之一端相卡 止，且該管35内之引線36之一端係藉由彈簧37而與銷”相 連結。 如此形成之操作部C ,於手動鎖固機構解除之狀態 下，係呈第4圖及第5(a)圖所示之狀態。即，藉由彈簧37 賦予之勢能，並透過銷29使滑動體26位於第5 (a)圖中之 左方。於此一狀態下，銷29係於導向槽23之滑動槽24内。 又，鎖固解除桿30藉由彈簧34賦予之勢能，則於第5 (a) 圖中朝反時針方向旋動，而把手33則呈沒入框艘22内之狀 態。 由第5(a)圖所示之狀態將把手27朝箭頭方向拉動而 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） -12- A7 ---------B7_______ 五、發明説明（10 ) 使滑動體26移動，並將銷29引導至卡止槽25之入口。如此 一來，銷29乃藉由彈簧37賦予之勢能導入卡止槽以内，並 如第5 (b)圖所示止於卡止槽25之端部。於此一狀態中， 引線36係拉入框體22内。又，鎖固解除桿3〇受銷29按壓而 朝第5 ( b )圖中之反時針方向旋動，而把手3 3則由框體^ 朝上方突出。 要解除如此之鎖固狀態時，係將第5 ( b )圓中鎖固解 除柃30之把手33朝下方壓入。如此一來，銷29則芘卡止螬 25之入口方向移動，並引導至滑動槽24。經此引導至滑動 槽24之銷29，藉由彈簧3 7賦予之勢能而如第5 ( a )圆所示， 矛夕動至非鎖固位置。隨之，滑動體2 6亦回復成第5 ( a )圆 所示之狀態。 另’上述貫施型態中之搖動彈簧34係用以賦予鎖固解 除桿30朝向一方之勢能，以使該鎖固解除桿3〇不會晃動 者，因此不一定需要對框體22賦予一摩擦阻力，並達使之 保持於該位置而不搖動之程度。 其次’以第7圖說明本發明之比較例。如第7圖所示， 作為比較例之操作部C係包含有一框鱧71，且該框體71之 側板71 a上形成有導向槽72。該導向槽72係具有一形成呈直 線狀之滑動槽72a，及相對於該滑動槽72&朝直角方向形成 之第1卡止槽72b、72c。又，框體71内係配置有滑動板73， 且該滑動板73可藉由彈簧74賦予一朝卡止槽72b、72c之延 伸設置方向之勢能。 又，操作部C並包含有一植入設置有銷75之滑動體 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公楚） --------------------裝—— (請先閲讀背面之注意事项再填寫本頁) -訂丨 線丨 -13- 五、發明説明（U ) 動體76係載置於滑動板73上，且使滑動體76之銷 入於導向槽72中，並使之沿導向槽”滑動。該 76則可藉由彈簧77與引線62之端部相結合。 —而，該操作部C之銷75位於第〗卡止槽72b時，銷”係 f藉彈簣74賦予之勢能而壓制於卡止槽72b之端部之狀 悲，且手動鎖固部B之旋動板67將離開驅動板％ (參照第1 圖）。於此一狀態T，若令銷75移動至滑動^仏，並使該 滑動槽72a上朝γ方向移動，則隨之拉動引線Q，並使旋動 板67抗拒彈簧69賦予之勢能而旋動。如此一來，旋動板⑺ 乃與驅動板7G相接觸，且使該驅動板顺動而使卡止瓜^ 卡止於齒輪64上。 、 彈簧 進而，若令銷75移動至第2卡止槽72c，則銷乃可藉由 74賦予之#能而移動至第2卡止槽72c之端^因^， 卡止爪65可維持呈卡止於齒輪64上之狀態。 而，上述操作部C之構造，為將銷75保持於操作位置， 即第2卡止槽72〇中，必須配置一彈簧74，又卡止槽係以 相對於滑動槽72a呈直角方向形成，若有任何外力施加作用 於銷75上，則銷75易於回到滑動槽72a，且容易使鎖固解除。 相對於此，依據第1圖所示之安全帶用收縮裝置，則 於拉住手動鎖固機構B之引線丨丨之操作部c之框體2上形成 有導向槽3’而該導向槽3係由一呈直線狀之滑動槽4與一於 該滑動槽4之端部上以相對於滑動槽4呈銳角彎曲之卡止槽 5所構成者，並令滑動體6之銷9插嵌於該導向槽3中而將滑 動體6設置呈可移動之狀態。又，令滑動體6於框體2内移動 本紙張尺度適用中國國家標準（CNS) A4規格（21〇><297公釐） -14- 587032 A7 ______B7__ 五、發明説明（12 ) 以拉動引線11並使之保持呈鎖固狀態。因此，僅需令導向 槽3之端部5彎曲即可使滑動體6保持於鎖固狀態，並使操作 部C之構造簡單化。又，藉由在導向槽3之卡止槽5内配置 有銷9將可保持鎖固狀態，且不易使卡止槽$内之銷9脫離。 此外，依據本發明之安全帶用收縮裝置60，則使滑動 體6形成呈於滑動槽4中由框體2朝外突出一部分7之狀態， 並於銷9位於卡止槽5中之狀態下使滑動體6全體埋入框體2 内。因此’可視滑動體6是否由框體2突出而輕忍坑識允是 否呈鎖固狀態，亦可防止其進行錯誤之動作。 (請先閱讀背面之注意事項存蜞寫本貢) 進而，依據本發明之安全帶用收縮裝置6〇，則於框趙 22上配置桿30，並令該桿3〇之一端惻與銷29相接觸，且使 桿30之另一端側33由框體22朝外突出而使桿3〇之另一端側 33進行作動。據此則可藉由將桿3〇之另一端側33壓入框體 22内而解除鎖固，因此使鎖固之解除易於達成。 【元件標號對照表】 A·.·緊急鎖固部 4···滑動槽 B…手動鎖固部 5···卡止槽 C…操作部 6...滑動體 B…車輛座椅安全帶 6a...側壁 S···汽車之座位 7…把手 1…開口 8、9…銷 2…框體 10...軟管 2a…側壁 11…引線 3…導向槽 12…彈簧 •線· 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） -15- 587032 A7 B7 五、發明説明（l3 ) 13.. .操作手柄 21…開口 22…框體 22a··.側壁 23.. .導向槽 24.. .滑動槽 25.. .卡止槽 26.. .滑動體 2 6 a…側壁 27…把手 2 8…長孑L 29…銷 30.. .鎖固解除桿 3 1 ·. ·軸（搖動軸） 32…孔 3 3...把手 34…搖動彈簧 35.. .軟管 36…引線 37…彈簧 50.. .兒童座椅 51.. .兒童座椅本體 51 a...座部 51b.··背部 52.. .底座 53…抵腹構件 54…肩帶 55…腰帶 56··.裝卸配件 57.. .安全帶調整配件 58.. .長度調整帶 60…安全帶用收縮裝置 61.. .框體 63.. .鼓輪 64.. .齒輪 ό 5…卡止爪 6 6 · · ·车山 6 7...旋動板 6 8…銷 69…彈簧 70…驅動板 71…框體 71a...側板 72··.導向槽 72a...滑動槽 72b...第1卡止槽 72c·.·第2卡止槽 73.. .滑動板 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） -16- 587032 A7 _B7_ 五、發明説明（l4 ) 74…彈簧 76...滑動體 75···銷 77···彈簧 (請先閲讀背面之注意事項再填'寫本頁) •裝丨 •、可| -線丨 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） •17--5- A7 B7 _ 5. Description of the invention (3_) — ^ ~ In the retractable device for a seat belt of the child seat of the present invention, the aforementioned swing system has a handle. In the retractable device for a child seat of the present invention, a long hole is formed in the sliding body, and the pin can move freely in the long hole. According to the present invention, the end portion of the guide groove is bent to form a locking groove, and the sliding body can be maintained in a locked state by inserting a pin into the locking groove, thereby simplifying the structure of the operation portion. In addition, the aforementioned pin cannot be easily slipped out of the locking groove of the guide groove. According to the present invention, whether the sliding body is protruded from the frame can be identified whether it is locked or not, and even if an external force is applied to the sliding body, the sliding body is still deeply locked in the frame, which can effectively prevent easy locking. Lifting the problem. According to the present invention, the lock can be released only by pressing the rocker lever into the frame. The following is a brief description of the picture. Fig. 1 is a partially cutaway perspective view showing an embodiment of a retractable device for a seat belt of a child seat according to the present invention. Figure 2 (a) is a conceptual cross-sectional view of the operation of the operating portion of the seatbelt retractor shown in Figure 1, and it is in an unlocked state, while Figure 2 (b) is its Locking state diagram. FIG. 3 is a perspective view showing a modified example of the operating portion of the seatbelt retractor shown in FIG. Fig. 4 is a partially cut-away perspective view of another embodiment of the operating portion of the retractable device for a seat belt of a child seat according to the present invention. This paper size is applicable to China National Standard (CNS) A4 specification (210X297 mm) (Please read the note on the back-& then fill out this page) Order-6-Description of the invention (shown in Figure 5 (a) This is a conceptual cross-sectional view of the operation of the operating portion of the retractable device for a seatbelt shown in Fig. 4 and is in an unlocked state, and the diagram shown in Fig. 5 (b) is its locked state. The person shown in the figure is a perspective view of the front side of the child seat, and the person shown in figure 6 (b) is the perspective view of the back side. The person shown in figure 7 is a seat belt retractor A perspective view of a comparative example of the device. Hereinafter, the embodiment of the present invention will be described with reference to the drawings. The figures 1 to 6 show the retractable device for a seat belt of a child seat made by the present invention. First, borrow A child seat provided with a retractable device for a seat belt is illustrated in Fig. 6. As indicated by circles (a) and (b), the child seat 50 is provided with a child seat body 51 for accommodating a child, and A base 52 for placing the child seat on a vehicle seat. A seat portion 51a of the child seat body 51 is provided with a seat 51a. The abdominal member 53, and the shoulder strap 54 pulled out from the back of the child seat body 51 by 5 lb and the waist belt 55 fixed on the child seat body 51 are combined with the abutting member 53 by the attachment and detachment fittings 56. The shoulder strap 54 is fastened to the inner side of the back 51b on one end of a plate-shaped seat belt adjusting accessory 57, and the other end of the seat belt adjusting accessory 57 is fixed with a length adjusting belt 58 pulled out by a seat belt retractor 60 When using the aforementioned child seat, the base 52 is fixed to the seat S of the car with the vehicle seat belt B, and the child is seated on the seat portion 51a of the child seat 51. At this time, the child's head The department is located between 54 and 54 shoulder straps, and the paper size of the shoulder bag applies to the Chinese National Standard (CNS) A4 specification (210X297 mm) ------------------- pack- ----------------- Order ........ line. (Please read the notes on the back before filling this page ) 587032 A7 B7 V. Description of the invention (5) The belt 54 is fixed to the abdomen member 53 in a state of resting on the child's shoulder. Moreover, the aforesaid abdomen member 53 forms a state in which the baby's abdomen covers the chest, and both feet Anti-abdominal component Both sides of 53 protrude forward. In the normal driving state of the cart, although the shoulder belt 54 generates some tension to the child due to the seat belt being contracted, it also pulls or pulls with the child's activities. Therefore, when the shoulder strap 54 is pulled when the child moves, the shoulder strap 54 is pulled out by the child seat body 51, and it is automatically pulled back when the shoulder strap 54 is loose. In this way, the child can be slightly restricted Sitting on the child seat body 51. In addition, during emergency braking, the seat belt retractor 60 is actuated in an emergency. That is, from the side; the anxious brake was found so that the infant's body suddenly protruded forward, so the shoulder f 5 4 was pulled suddenly and the length adjustment belt 5 8 was also pulled out suddenly. However, in this case, the seat belt shrinking device 60 will be locked due to an acceleration effect and locked in an emergency, so that the length adjustment belt 58 will no longer be pulled out. As a result, the pull-out of the shoulder strap 54 is restricted, and the infant can also ensure the safety by holding the entire body 53 against the abdominal member 53 and the shoulder strap 54. On the other hand, when the child seat moves slowly, the seatbelt retractor 60 does not operate, so the seatbelt can be pulled out smoothly, and the child can be detached by the shoulder strap 54. The retractable device 60 for a seat belt of the present invention is used to prevent such a problem that the seat belt is pulled out. As shown in FIG. 1, the retractable device 60 for a seat belt includes an emergency locking portion (emergency locking mechanism) A, a manual locking portion (manual locking mechanism) B, and an operating portion c. The emergency lock The fixing part a is used to adjust the length of the lock. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before writing this page) ·, τ. · -8- 587032 A7 ---- -__ (6.) _ " --- With 58 and making it free to pull out, the manual locking section 3 is used to make the emergency locking section A strong. The operation portion c is connected to the manual locking portion B by a lead. Among them, the emergency locking portion A and the manual locking portion b are provided in the frame 61 formed in the figure 3 in a cross-section in the figure, and the lead wires are pulled out to connect with the operation portion C. '' The emergency locking part A includes a drum 63 for winding and releasing the length adjustment belt 58, a gear 64 that rotates integrally with the drum 63, and a locking claw for locking the gear 64 65. When the length adjustment belt 58 is pulled sharply due to a collision or emergency braking, the acceleration claw 65 is actuated, and the claw 65 is engaged with the gear 64. Therefore, the drum 63 is locked and prevents the length adjustment belt 58 from being pulled out. The structure of the emergency locking part a has various functions. The manual locking part B includes a rotating plate 67 and a spring 69, and the rotating plate is provided on a shaft 66 provided on the frame 61 and is in a state of free rotation ', and the spring 69 is pulled It is provided between the pin μ implanted in the frame 61 and the rotating plate 67. The rotating plate 67 is connected to the operation portion c by a lead 11, and the locking claw 65 is fixed to the driving plate 70. Then, the lead wire 11 is pulled by the operation of the operation section C, and the rotation plate 67 is rotated. In this way, the driving plate 70 can be driven by the rotating plate 67, and the locking claw 65 can be locked on the gear 64 in accordance therewith. Therefore, the drum 63 is forcibly locked. In addition, the operating part C shown in Fig. 1 includes a paper sheet with an opening at the top. The paper size is applicable to the Chinese National Standard (CNS) A4 (210 X 297 mm) .......... ........... Packing ... {Please read the precautions on the back before filling in this page) -Order—: Line · -9- 587032 A7 B7 V. Description of the invention (box of 1 The frame body 2, and the two side walls 2a, 2a of the frame body 2 are formed with a guide groove 3. The guide groove 3 is formed by a linear sliding groove 4 and an acute angle with an end of the sliding groove 4. The operating portion C includes a sliding body 6 that can move along the inside of the frame body 2. The sliding body 6 is formed in an η shape with an opening at the bottom, and has a handle 7 on the upper part. On the ends of the two side walls 6a, 6a of the sliding body 6, pins 8 and 9 are protruded outwardly, and among the pins 8, 9, the pins (additional pins) 8 are respectively implanted and installed in each On the side walls 6a, 6a, a pin 9 is provided to penetrate through the two side walls 6a, 6a. Moreover, the pins 8, 9 are inserted into the sliding groove 4 of the frame 2 to guide the sliding body 6 along the guide groove 3 Slide. Also, the frame of the operation section C 2 The upper part is locked with one end of the hose 10, and one end of the lead 11 in the soft body 10 is connected to the pin 9 by a spring 丨 2. The operation part C thus formed is manually locked. In the state where the mechanism B is released (that is, the state in which it has not been moved), it is in the state shown in the first circle and the second figure (a). That is, by the potential energy given by the spring 12, the sliding body 6 is located at the second (a The left side of the figure. In this state, the pins 8 and 9 are in the sliding groove 4 of the guide groove 3, and the handle 7 of the sliding body 6 is exposed upward from the opening 丨 of the frame 2. 2 (a) In the state not shown in the figure, pull the handle 7 in the direction of the arrow to move the sliding body 6, and the pin 9 will enter the locking groove 5, and then the sliding body 6 is as shown in FIG. 2 (b). The pin (additional cancellation) 8 is rotated clockwise in the center, while the pin 9 stops at the end of the locking groove 5. In this state, the lead pinches the frame 1 and the slider 6 is supported by the spring 12 The potential energy is given to stop the pin 9 at the end of the locking groove 5. As a result, the pin 9 remains in this state, that is, the paper size of the lock is applied to the Chinese National Standard (CNS) A4 specification (210X297 Gong Chu 7 ... .........-- -(Please read the precautions on the back before filling in this page)., Tr— -10- solid state, and the handle 7 of the sliding body 6 is in the state of being submerged in the frame 2. a In addition, such a lock must be released In the solid state, as long as the handle 7 of the sliding body 6 is lifted up as shown by the arrow in FIG. 2 (b), the potential energy given by the spring 12 can be used to restore the sliding body 6 to the second U). With the state, the lead wire also relaxes. The one shown in FIG. 3 is a modification of the above-mentioned embodiment........ 4 'The cross-section is the case where the handle 7 of the sliding body 6 in the above-mentioned embodiment is taken as clothing. In addition, the handle 1J of the present invention is on the end of the pin 9, and the other points are the same as the above-mentioned embodiment. Therefore, in Fig. 3, the same components as those in the embodiment shown in Figs. 1 and 2 are denoted by the same reference numerals and their descriptions are omitted. In this modification, the pin 9 projects outward from the frame body 2, and an operating handle 13 is provided on the protruding portion of the pin 9. Hold the operating handle 13 and keep the sliding body 6 in a locked state by guiding the pin 9 of the sliding body 6 to the locking groove 5, and then hold the operating handle 13 to move the pin 9 of the sliding body 6 from the locking groove 5. The slide groove 4 is guided to release the slide body 6 from the locked state. Fig. 4 shows another embodiment of the operation portion c of the seatbelt retractor 60 of the present invention, and Fig. 5 (a) shows the operation state of the operation portion c. As shown in Figs. 4 and 5, the operation portion c includes a box-shaped frame 22 having an opening 21 at the top, and guide grooves 23 and 23 are formed on both side walls 22a and 22a of the frame 22. The guide grooves 23 are formed by a linear sliding groove 24 and a locking groove 25 bent at an acute angle at the end of the sliding groove 24. In addition, the operation part c includes a sliding groove with a guide groove 23 in the frame. The paper size is applicable to the Chinese national standard (Norway) A4 specification (210X297 mm) -11- 587032 5. Description of the invention (9-) 24 Slide the sliding body 26 flat. The sliding body% is in the shape of an opening] and has a handle 27 in the upper opening p. Long holes 28 and 28 are formed in both side walls 26a and 26a. Alas, ㈣ is inserted into these long holes 28, 28, so that both ends of the pin 29 are inserted into the guide groove ^ of the frame body 22. The phantom is made of c and contains a lock release lever (rocking lever) 30. The lock release lever 30 is supported by a shaft (a rocking shaft) protruding outward from the lever 30 and a hole 32, ^ formed in the side walls 22a, 22a of the frame 22 to support it. The frame 22 is in a state of free rotation. The renewal-fixing ability 30 is formed in a main I shape, and one end side of the guide groove 23 crosses the end of the guide bar 23. The other end is extended, and the other end side is extended to the frame body = upper part ', and a handle 33 is formed on the other end side. I. The lock release lever 30 'can impart weak energy to the weak spring 34 by the potential energy, and in a non-locked state', impart a potential energy that causes the handle 33 to sink into the frame 22. In addition, the frame 22 of the operation portion C is locked with one end of the hose 35, and one end of the lead 36 in the tube 35 is connected to the pin by a spring 37. The operation portion C thus formed When the manual locking mechanism is released, it is in the state shown in Fig. 4 and Fig. 5 (a). That is, the potential energy provided by the spring 37 and the sliding body 26 is located at the 5th position through the pin 29. a) Left in the figure. In this state, the pin 29 is in the sliding groove 24 of the guide groove 23. In addition, the potential energy given by the lock release lever 30 by the spring 34 is shown in FIG. 5 (a). Rotate counterclockwise in the direction of China and North Korea, and the handle 33 is in the state of being submerged into the frame vessel 22. From the state shown in Figure 5 (a), pull the handle 27 in the direction of the arrow, and this paper size applies the Chinese National Standard (CNS ) A4 size (210X297 mm) -12- A7 --------- B7_______ V. Description of the invention (10) Move the sliding body 26 and guide the pin 29 to the entrance of the locking groove 25. Then, the pin 29 is introduced into the locking groove by the potential energy given by the spring 37, and is stopped at the end of the locking groove 25 as shown in Fig. 5 (b). In this state, the lead 36 is pulled Inside the frame 22. The lock release lever 30 is pressed by the pin 29 to rotate counterclockwise in FIG. 5 (b), and the handle 33 is projected upward from the frame ^. In the locked state, the handle 33 of the locking release 柃 30 in the 5th (b) circle is pushed downward. In this way, the pin 29 moves toward the entrance of the 螬 25 and is guided to the sliding groove 24 After this, the pin 29 guided to the sliding groove 24 is moved to the non-locking position by the potential energy given by the spring 37, and the spear moves to the non-locking position. As a result, the sliding body 26 also returns to The state shown by the 5th (a) circle. In addition, the rocking spring 34 in the above-mentioned application mode is used to give the potential of the lock release lever 30 to one side so that the lock release lever 30 will not shake. Therefore, it is not necessary to provide a frictional resistance to the frame 22 and keep it at that position without shaking. Secondly, a comparative example of the present invention will be described with reference to FIG. 7. As shown in FIG. 7, for comparison The operation part C of the example includes a frame 鳢 71, and a side groove 71 a of the frame 71 is formed with a guide groove 72. The guide groove 72 has a A linear sliding groove 72a and first locking grooves 72b and 72c formed at right angles to the sliding groove 72 & are formed in the frame body 71, and the sliding plate 73 may Potential energy is imparted to the extending direction of the locking grooves 72b and 72c by the spring 74. In addition, the operation part C includes a sliding body implanted with a pin 75 and the paper size is in accordance with the Chinese National Standard (CNS) A4 specification ( 210X297 Gongchu) -------------------- Installation-(Please read the precautions on the back before filling this page) -Order 丨 line 丨 -13- V. DESCRIPTION OF THE INVENTION (U) The moving body 76 is placed on the sliding plate 73, and the pins of the sliding body 76 are inserted into the guide groove 72 and slide along the guide groove ". The 76 can be combined with the end of the lead 62 by a spring 77. -When the pin 75 of the operation portion C is located in the locking groove 72b, the pin "f is pressed by the potential energy given by the bullet 74 to be pressed against the end of the locking groove 72b, and the manual locking portion B is The rotating plate 67 will leave the driving plate% (refer to Fig. 1). In this state T, if the pin 75 is moved to slide ^ 仏 and the slide groove 72a is moved in the γ direction, the lead wire is pulled accordingly. Q, and make the rotating plate 67 rotate against the potential energy given by the spring 69. In this way, the rotating plate ⑺ is in contact with the driving plate 7G, and the driving plate is smoothly moved to lock the melons ^ Gear 64. Spring, if the pin 75 is moved to the second locking groove 72c, the pin can be moved to the end of the second locking groove 72c by the #energy given by 74, and the locking claw 65 can be maintained in the state of being locked on the gear 64. In addition, in the structure of the above-mentioned operation portion C, in order to keep the pin 75 in the operation position, that is, the second locking groove 72o, a spring 74 must be arranged and locked. The groove is formed at a right angle with respect to the sliding groove 72a. If any external force is applied to the pin 75, the pin 75 is easy to return to the sliding groove 72a, and it is easy to lock. In contrast, according to the retractable device for seat belts shown in FIG. 1, a guide groove 3 ′ is formed on the frame 2 of the operation portion c that pulls the lead of the manual locking mechanism B 丨 丨 and the guide The groove 3 is composed of a linear sliding groove 4 and an engaging groove 5 bent at an acute angle with respect to the sliding groove 4 on the end of the sliding groove 4, and the pin 9 of the sliding body 6 is inserted. It is embedded in the guide groove 3 to set the sliding body 6 in a movable state. In addition, the sliding body 6 is moved in the frame 2. 297 mm) -14- 587032 A7 ______B7__ 5. Description of the invention (12) Pull the lead 11 and keep it in a locked state. Therefore, only the end 5 of the guide groove 3 needs to be bent to hold the sliding body 6 In the locked state, and simplifies the structure of the operation portion C. Moreover, by arranging a pin 9 in the locking groove 5 of the guide groove 3, the locked state can be maintained, and it is not easy to make the pin in the locking groove $ 9 脱。 In addition, according to the seat belt shrinkage device 60 of the present invention, the sliding body 6 is formed in the sliding groove 4 by the frame body 2 A state in which a part 7 protrudes outwards, and the entire sliding body 6 is embedded in the frame 2 with the pin 9 in the locking groove 5. Therefore, it can be seen whether the sliding body 6 protrudes from the frame 2 or not. Whether it is in a locked state can also prevent it from performing erroneous actions. (Please read the precautions on the back to write the Ben Gong). Furthermore, according to the present invention, the seat belt shrinkage device 60 is equipped with a rod on the frame Zhao 22. 30, and one end of the lever 30 is brought into contact with the pin 29, and the other end side 33 of the lever 30 is protruded outward from the frame 22, so that the other end side 33 of the lever 30 is actuated. The lock is released by pressing the other end side 33 of the lever 30 into the frame 22, so that the release of the lock is easily achieved. [Comparison of component numbers] A ..... emergency locking section 4 ... slide groove B ... manual locking section 5 ... locking groove C ... operation section 6 ... sliding body B ... vehicle seat belt 6a ... side wall S ... seat of the car 7 ... handle 1 ... opening 8,9 ... pin 2 ... frame 10 ... hose 2a ... side wall 11 ... lead 3 ... guide groove 12 ... spring / wire ... Paper size applies Chinese National Standard (CNS) A4 specification (210X297 mm) -15- 587032 A7 B7 V. Description of the invention (l3) 13. .. operating handle 21 ... opening 22 ... frame 22a ... side wall 23. Guide groove 24 .. Slide groove 25 .. Locking groove 26 .. Slide body 2 6 a ... Side wall 27 ... Handle 2 8 ... Length L 29 ... Pin 30 .. Lock release lever 3 1 · · Shaft (rocking shaft) 32 ... hole 3 3 ... handle 34 ... rocking spring 35 ... hose 36 ... lead 37 ... spring 50 ... child seat 51 ... child seat body 51 a. .. Seat 51b ... Back 52. Base 53 ... Abutment member 54 ... Shoulder belt 55 ... Waist belt 56 ... Loading and unloading accessories 57 ... Belt adjustment accessories 58 ... Length adjustment belt 60 ... Safety Belt shrink device 61 .. Frame 63 .. Drum 64 .. Wheel 5 ... locking claw 6 6 ··· Cheshan 6 7 ... turning plate 6 8 ... pin 69 ... spring 70 ... drive plate 71 ... frame 71a ... side plate 72 ... guide groove 72a. ..Sliding groove 72b ... 1st locking groove 72c ... 2nd locking groove 73..Sliding plate (Please read the precautions on the back before filling in this page) The paper size applies to Chinese national standards ) A4 specification (210X297 mm) -16- 587032 A7 _B7_ V. Description of the invention (l4) 74 ... Spring 76 ... Sliding body 75 ... Pin 77 ... Spring 'Write this page) • Installed 丨 •, Available | -Line 丨 This paper size applies to China National Standard (CNS) A4 (210X297 mm) • 17-