M363503 五、新型說明： 【新型所屬之技術領域】 本新型是關於一種窗簾’特別是涉及一種以拉繩來疊 收及垂放遮光單元，同時在危險發生時該拉繩可以自動鬆 脫的拉繩可安全鬆脫的窗簾。 【先前技術】 在已知的技藝中，用來遮擋光線的遮光物種類及形式 φ 有很多’其中圖1、2所揭露之窗簾1基本上包含：一個可 以懸掛在窗戶上緣處的樑座η、一個垂放在樑座u下方的 遮光幕12、一個安裝在遮光幕12上的疊收組件13，以及 一條連接所述疊收組件13的拉繩14。該遮光幕12具有一 . 個可以被疊收的遮光部121，在遮光部121上具有數個間隔 的組裝槽122。而所述疊收組件13具有數支橫向穿設在組 裝槽122内的橫架桿131、數個間隔且左右對稱地固定在遮 光部121上的連接帶132，以及數個分別穿套在連接帶132 φ 上的扣環U3。所述拉繩14具有一個位在遮光幕12前方並 方便使用者操作的操控段141，以及兩段穿過所述疊收組件 13上同側的扣環133後繫結在最下面之扣環133上的連動 段 142。 ， 使用時只要拉動該拉繩14，就可以同步牽動最下方的 ^ 兩個扣環133上移’也就是讓最下方的扣if 133逐漸上移 後和相鄰的扣冑133靠在-起，如此-來，位在相靠近的 4裒133間的遮光冑121就會形成疊收狀，藉此達到疊收 • 遮光幕12的目的°習知窗簾i為了達到疊收遮光幕12的 3 M363503 目的，該拉繩14的連動段142必須牢固地繫結在最下方的 扣環133上’因為兩者如果脫離，拉繩14就無法帶動遮光 幕12執行疊收的動作。這種習知窗簾i的設計固然可以確 保操作的順暢性，但是窗簾丨通常都是安震在幼兒活動的 室内’家中的幼兒也容易在窗簾丨周圍玩耍，當幼兒拿著 拉繩14玩耍並且將拉繩14套設在脖子上時，結構強度很 好的拉繩14就可能緊緊的纏繞在幼兒的脖子上，並且引發 致命的危險性，因此，f知窗簾丨在使用時存在不可預期 的危險性。 【新型内容】 新型之目的是在提供一種可以提高使用安全性之担 繩可安全鬆脫的窗簾。 本新型的窗簾包含：-個樑座、一個垂掛在樑座下方 的遮光單元，以及一個拉繩單元，該遮光單元具有一個垂 放部，所述拉繩單元包括—條絲疊收及錢遮光單元的 拉繩’以及至少-個連接在拉繩及遮光單元之垂放部間的 扣座，上述扣座具有一個組裝在拉繩上的第一扣件、一個 組裝在遮光單元之垂放部上的第二扣件，以及一個可鬆脫 地扣合該第-扣件及第二扣件且扣合力大於遮光單元的垂 放重量的卡合機構。 本新31的有皿功效在於：當遮光單元在正常垂放以及 疊收時1由拉繩及扣座的連接，可以帶動遮光單元的垂 放P進行叠收及垂放，而當不正常拉扯拉繩單元且拉扯力 大於卡合機構的扣合力時，該第-扣件及第二扣件將自動 M363503 鬆脫。由於本新型在危險發生時該拉繩單元可以自動鬆脫 ，因此，该窗簾確實具有較佳的使用安全性。 【實施方式】 有關本新型之前述及其他技術内容、特點與功效，在 以下配合參考圖式之較佳實施例的詳細說明中，將可清楚 的呈現。 在本新型被詳細描述之前，要注意的是，在以下的說 明内容中，類似的元件是以相同的編號來表示。 多閱圖3 4、5，本新型窗簾之第一較佳實施例適合安 裝在ϋ戶（圖未示）的上緣處，並且包含：一個橫向架設在窗 戶上緣處的標座2、一個垂掛在該樑座2下方的遮光單元3 ，以及一個用來疊收及垂放該遮光單元3的拉繩單元4。 該遮光單元3包括一片具有遮光效果的遮光幕31，以 及一個安裝在遮光幕31上的疊收組件32。該遮光幕31的 上方是固定地安裝在樑座2内，並具有一個由樑座2往下 垂放的垂放部311，該垂放部311具有一個靠近下方的垂放 端312，以及數個橫向設置的組裝槽3丨3。而所述疊收組件 32具有數條橫向裝設在組裝槽313内的橫穿桿321、數個 左右對稱地固定在垂放部311背面並且大致對應其中一支橫 穿桿321的連接帶322，以及數個穿套在所述連接帶322上 的扣環323，其中最下面的連接帶322上未穿設扣環323。 本實施例的拉繩單元4包括一條穿經樑座2的拉繩41 ’以及兩個左右對稱的扣座40，每個扣座40都具有一個和 拉繩41固定地結合的第一扣件42，以及一個鉤掛在最下面 5 M363503 之連接π 322上的第二扣件43。該拉繩4i具有一段自樑座 2往下垂放並位在遮光幕31前方的操控段4ΐι，以及兩段自 樑座2在下垂放並左右對應地位在遮光幕31後面的連動段 412 ’每個連動段412都具有—個連接端413。 本實施例之第-扣件42具有一個水平的第一基壁421 、一環自該第-基壁421往第二扣件43方向突出的第一扣 壁422,以及一個自第—基壁421往上突出並供拉繩μ t 連接端413繫結的第—掛環423，而該第二扣件43具有一 個水平的第一基壁431、一個自該第二基壁43ι往第一扣件 42方向突出的第二扣壁432，以及一個自該第二基壁如 往下突出並且扣設在遞光單元3最下方的連接帶322.上的 第二掛環433，在第二扣壁432上並界定出一個開口朝上的 空間434 ’而第一扣件42的第一扣壁422就是伸入扣合在 該空間434内。又本實施例為了提高第一扣件42及第二扣 件43扣合時的牢固性，該等扣座4〇還具有一個卡合機構 44,所述卡合機構44包括一個自該第二扣壁432的内環面 凹没的環槽441，以及一個自該第一扣壁422的外環面一體 突出並卡合在該環槽441内的突環442，上述卡合機構44 的扣合力量稍為大於遮光單元3的垂放重量，且所述突環 442及環槽441設置的位置也可以反向過來設置。 參閱圖3、5、6,本實施例的窗簾在正常垂放狀態時， 藉兩側對稱扣座40的連接，拉繩41可以同步拉動遮光單 元3最下面左右對稱的連接帶322上移’也就是說，本實 施例在實施時，是根據遮光單元3實際的垂放重量來決定 M363503 卡合機構44的扣合力，並使卡合機構44的扣力量稱為大 於遮光單7G 3的垂放重量，如此一來，當使用者拉動拉繩 41的操控段411時，可以同時拉動位在後面的兩個連動段 412同步上移，由於所述連動段412的連接端413是結合在 第一扣件42上，而第一扣件42和第二扣件43的扣合力又 大於遮光單元3的垂放重量，因此，在拉動拉繩41時，可M363503 V. New type description: [New technical field] The present invention relates to a kind of curtains, in particular, a method of stacking and hanging a shading unit with a drawstring, and the pull cord can be automatically released when a danger occurs. The rope can be safely released from the curtains. [Prior Art] In the known art, there are many kinds of shades and forms φ for shielding light. The curtain 1 disclosed in Figs. 1 and 2 basically comprises: a beam seat which can be hung at the upper edge of the window. η, a shading screen 12 suspended below the beam base u, a stacking assembly 13 mounted on the shading screen 12, and a drawstring 14 connecting the stacking assembly 13. The shading screen 12 has a light-shielding portion 121 which can be stacked, and has a plurality of spaced-apart assembly grooves 122 on the light-shielding portion 121. The stacking assembly 13 has a plurality of cross-bars 131 that are transversely disposed in the assembly groove 122, a plurality of connecting strips 132 that are spaced apart from each other and symmetrically fixed to the light-shielding portion 121, and a plurality of sleeves respectively connected With buckle U3 on 132 φ. The pull cord 14 has a control section 141 located in front of the shading screen 12 and convenient for the user to operate, and two buckles affixed to the lowermost buckle 133 passing through the same side of the stacking assembly 13 Linkage segment 142 on 133. As long as the pull cord 14 is pulled during use, the two lower buckles 133 can be moved up and down simultaneously, that is, the lowermost buckle if 133 is gradually moved up and the adjacent buckle 133 is brought up. So, the light-shielding 胄121 located between the adjacent 4裒133 will form a stacking shape, thereby achieving the purpose of stacking and shading the curtain 12. The conventional curtain i is to achieve the stacking of the shading screen 12 M363503 Objective, the interlocking section 142 of the drawstring 14 must be securely fastened to the lowermost buckle 133. 'Because the two are detached, the drawstring 14 cannot drive the shade 12 to perform the stacking action. The design of the conventional curtain i can ensure the smoothness of the operation, but the curtains are usually in the indoors of the children's activities. The children in the home are also easy to play around the curtains, when the children play with the drawstring 14 and When the drawstring 14 is set on the neck, the drawstring 14 with good structural strength may be tightly wrapped around the neck of the child and cause a fatal danger. Therefore, it is unpredictable when the curtain is in use. The danger. [New content] The new purpose is to provide a curtain that can be safely released from a rope that can improve the safety of use. The curtain of the present invention comprises: a beam seat, a shading unit hanging below the beam seat, and a pull cord unit having a hanging portion, the pull cord unit comprising - a wire stack and a money shading a pull cord of the unit and at least one buckle connected between the drawstring and the hanging portion of the shade unit, the buckle has a first fastener assembled on the drawstring, and a drop portion assembled in the shade unit And a second fastening member, and a locking mechanism for releasably fastening the first fastening member and the second fastening member and having a fastening force greater than a hanging weight of the light shielding unit. The function of this new 31 is that when the shading unit is normally placed and stacked, the connection between the pull cord and the buckle seat can drive the vertical P of the shading unit to be stacked and lowered, and when the pull is not normally pulled When the pulling cord unit has a pulling force greater than the engaging force of the engaging mechanism, the first fastening member and the second fastening member will automatically release the M363503. Since the cord pull unit can be automatically released when the danger occurs, the curtain does have better safety in use. The above and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments. Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals. Referring more to Figures 3 4 and 5, the first preferred embodiment of the present invention is adapted to be mounted at the upper edge of a Seto (not shown) and includes: a header 2 erected laterally at the upper edge of the window A shading unit 3 hanging below the beam base 2, and a drawstring unit 4 for stacking and lowering the shading unit 3. The shading unit 3 includes a shading screen 31 having a light blocking effect, and a stacking assembly 32 mounted on the shading screen 31. The upper surface of the light shielding screen 31 is fixedly mounted in the beam base 2, and has a vertical portion 311 which is suspended from the beam base 2. The vertical portion 311 has a vertical end 312 near the bottom, and a plurality of The assembly groove 3丨3 is disposed laterally. The stacking assembly 32 has a plurality of transverse rods 321 disposed laterally in the assembly groove 313, and a plurality of connecting strips 322 symmetrically fixed to the back of the hanging portion 311 and substantially corresponding to one of the crossing rods 321 And a plurality of buckles 323 that are sleeved on the connecting strap 322, wherein the lowermost connecting strap 322 is not provided with a buckle 323. The drawstring unit 4 of the present embodiment includes a pull cord 41' penetrating the beam base 2 and two left and right symmetric buckle seats 40, each of the buckle seats 40 having a first fastener fixedly coupled with the pull cord 41. 42, and a second fastener 43 hooked to the connection π 322 of the lowermost 5 M363503. The pull cord 4i has a control section 4ΐι which is placed down from the beam seat 2 and is located in front of the light shielding screen 31, and a linkage section 412′ of each of the two sections of the beam seat 2 which are placed down and left and right corresponding to the position behind the light shielding screen 31. Segment 412 has a connection 413. The first fastening member 42 of the embodiment has a horizontal first base wall 421, a first buckle wall 422 protruding from the first base wall 421 toward the second fastening member 43, and a self-first base wall 421. a first hanging loop 423 protruding upward and for the pull cord μ t connecting end 413, and the second fastening member 43 has a horizontal first base wall 431 and a second buckle 43 from the second base wall 43 a second buckle wall 432 protruding from the direction of the member 42 and a second hanging loop 433 protruding from the second base wall and protruding from the connecting belt 322 at the lowermost portion of the dimming unit 3, in the second buckle The wall 432 defines a space 434' with an opening upwardly and the first buckle wall 422 of the first fastener 42 extends into the space 434. In addition, in this embodiment, in order to improve the fastening of the first fastening member 42 and the second fastening member 43 , the fastening seat 4 〇 further has a locking mechanism 44 , and the locking mechanism 44 includes a second a ring groove 441 having a concave inner ring surface of the buckle wall 432, and a protruding ring 442 integrally protruding from the outer ring surface of the first buckle wall 422 and engaged in the ring groove 441, the buckle of the engaging mechanism 44 The combined force is slightly larger than the vertical weight of the shading unit 3, and the positions at which the collar 442 and the ring groove 441 are disposed may also be reversed. Referring to FIG. 3, FIG. 5 and FIG. 6, when the curtain of the embodiment is in the normal hanging state, the connection of the two sides of the symmetrical buckle 40 is used, and the pull cord 41 can synchronously pull the left and right symmetrical connection belt 322 of the light shielding unit 3 to move up. That is to say, in the implementation of the embodiment, the fastening force of the M363503 engagement mechanism 44 is determined according to the actual weight of the shading unit 3, and the buckle force of the engagement mechanism 44 is referred to as greater than the shading order 7G3. The weight is released. In this way, when the user pulls the control section 411 of the pull cord 41, the two interlocking sections 412 at the same time can be simultaneously moved up, since the connecting end 413 of the linking section 412 is combined. The fastening force of the first fastening component 42 and the second fastening component 43 is greater than the vertical weight of the light shielding unit 3, and therefore, when the pulling cable 41 is pulled,
以同步拉動遮光幕31的垂放端312上移，藉此達到疊收遮 光幕3 1的目的。 值得說明的是，當本實施例的窗簾安裝在窗戶的内部 ，且有幼兒在玩弄窗簾的拉繩41時，就算拉繩41不小心 纏繞在幼兒的脖子上，由於一般窗簾的遮光單元3的重量 都比已經會玩弄拉繩41的幼兒體重還要小，因此，被不當 拉扯的拉繩單凡4 ’就會從扣座40的位置自動地鬆脫，如 來就可以避免拉繩41纏繞玩耍的幼兒，故本實施例 的窗簾確實具有較佳的使用安全性。 一閱圖7、8，本新型窗簾的第二較佳實施例基本上和 包例類似，不同的只有扣座4〇的構造，以下僅說明 扣座4〇的結構。亦即，本新型第二較佳實施例之扣座40 同樣具有一個第-扣件42、-個和第一扣件42套合的第二 t件43以及一個讓第-扣件42及第二扣件43以可脫離 式扣合的卡合機構44，#中該第一扣件42的構造與第— 貫施例相同，不再簪、 賢述，該第二扣件43同樣具有一個界定 出-個開口朝上之空間434的第二扣壁❿ 本新型第二 貫例和第—實施例的差別在於：該扣座 M363503 4〇還具有-個束持機構45，上述束持機構45包括兩條設 在第二扣壁432上的剖槽451、數個設在第二扣壁432上並 由外環面往内凹的定位凹環452 ’以及一條彈性束持在其中 -個定位凹環452内的彈性束件453。本實施例藉在第二扣 件43上設置定位凹環452，以及利用彈性束件束持在 不同高度的定位凹帛452内，除了可以提供適當的 ’以提高第-扣件42及第二扣# 43扣合時的穩固性外， 也可以在第-扣件42及第二扣件43之間的扣合力逐漸降 低時，利用該彈性束件453的束持，來加強該第—扣件42 2第二扣件43扣合力，藉此延長扣座4g的使用壽命。在 設計上，本實施例的剖槽451及定位凹環452也可以設在 第一扣件42上，不再以圖例說明。 由以上》兒明可知，本新型在拉繩4丨的連動段412以及 遮光單元3靠近垂放端312的部位設置該扣座4〇的構造， 不但在窗簾的設計上是前所未有的創新，該項設計也可以 避免幼兒為玩弄拉繩41不慎引發❹±的危險性，故本 新型的窗簾確實具有使用更為安全之功效。 惟以上所述者，僅為本新型之較佳實施例而已，當不 能以此限定本新型實施之範圍，即大凡依本新対請專利 範圍及新型說明内容所作之簡單的等效變化與修飾，皆仍 屬本新型專利涵蓋之範圍内。 【圖式簡單說明】 圖1疋一種習知窗簾的後視立體圖； 圖2是該習知窗簾的側視疊收示意圖； M363503 圖3是本新型窗簾的第一較佳實施例的後視立體圖； 圖4疋該第一較佳實施例的一局部立體分解圖，單獨 顯示該窗簾的一個扣座； 圖5是該第一較佳實施例的一局部組合剖視圖，主要 顯示該扣座； 圖6疋該第一較佳實施例的一個組合側視示意圖，圖 中該窗簾位在一個疊收位置； &★圖7是一個類似圖4的局部立體分解圖，顯示本新型 窗簾的第二較佳實施例；及 疋孩第二較佳實施例的一個局部組合剖視圖。 M363503 【主要元件符號說明】 2 樑座 42 第一扣件 3 遮光單元 421 第一基壁 31 遮光幕 422 第一扣壁 311 垂放部 423 第一掛環 312 垂放端 43 第二扣件 313 組裝槽 431 第二基壁 32 疊收組件 432 第二扣壁 321 橫穿桿 433 第二掛環 322 連接帶 434 空間 323 扣環 44 卡合機構 4 拉繩單元 441 環槽 40 扣座 442 突環 41 拉繩 45 束持機構 411 操控段 451 剖槽 412 連動段 452 定位凹環 413 連接端 453 彈性束件 10The vertical end 312 of the shutter 31 is pulled up in synchronization to move up, thereby achieving the purpose of stacking the shutters 31. It should be noted that when the curtain of the present embodiment is installed inside the window, and the child is playing with the drawstring 41 of the curtain, even if the drawstring 41 is accidentally wrapped around the neck of the child, the shade unit 3 of the general curtain is The weight is smaller than that of the child who has already played the drawstring 41. Therefore, the improperly pulled pull cord will automatically loosen from the position of the buckle 40, so that the drawstring 41 can be prevented from being entangled. Therefore, the curtain of the present embodiment does have better safety in use. Referring to Figures 7 and 8, the second preferred embodiment of the present invention is substantially similar to the package. The only difference is the construction of the buckle 4, and only the structure of the buckle 4 is described below. That is, the buckle seat 40 of the second preferred embodiment of the present invention also has a first-fastener 42, a second t-piece 43 that is fitted with the first fastener 42, and a first-fastener 42 and a The second fastener 43 has the same structure as the first embodiment in the detachable snap-fit mechanism 44, #, which is no longer awkward, and the second fastener 43 also has a The second buckle wall defining the space 434 with the opening upwards is different from the first embodiment in that the buckle base M363503 4〇 further has a holding mechanism 45, and the above-mentioned holding mechanism The 45 includes two slits 451 disposed on the second buckle wall 432, a plurality of positioning concave rings 452' disposed on the second buckle wall 432 and recessed by the outer annular surface, and an elastic bundle held therein. The elastic bundle 453 within the concave ring 452 is positioned. In this embodiment, the positioning recess 452 is disposed on the second fastening member 43 and the positioning recess 452 is held at different heights by the elastic beam member, except that an appropriate 'can be provided' to improve the first fastening member 42 and the second portion. In addition to the stability of the buckle #43, the first buckle can be reinforced by the holding of the elastic bundle 453 when the fastening force between the first fastening member 42 and the second fastening member 43 is gradually lowered. The second fastener 43 of the member 42 2 is engaged, thereby extending the service life of the buckle 4g. In the design, the slit 451 and the positioning concave ring 452 of the embodiment may also be disposed on the first fastener 42 and will not be illustrated by way of illustration. It can be seen from the above that the structure of the present invention is such that the interlocking section 412 of the drawstring 4 and the portion of the shade unit 3 near the drop end 312 are provided, which is not only an unprecedented innovation in the design of the curtain. The design of the item can also prevent the child from inadvertently causing the risk of 拉± in order to play with the drawstring 41, so the curtain of the new type does have a safer use effect. However, the above is only the preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple equivalent change and modification of the patent scope and the new description content of the present invention. , are still within the scope of this new patent. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a rear perspective view of a conventional window covering; FIG. 2 is a side elevational view of the conventional window covering; M363503. FIG. 3 is a rear perspective view of the first preferred embodiment of the present invention. Figure 4 is a partial exploded perspective view of the first preferred embodiment, showing a single buckle of the curtain; Figure 5 is a partial cross-sectional view of the first preferred embodiment, mainly showing the buckle; 6A side view of a combination of the first preferred embodiment, wherein the curtain is in a stacked position; & Figure 7 is a partial exploded view similar to Figure 4, showing the second of the novel curtain Preferred Embodiments; and a partial combined cross-sectional view of a second preferred embodiment of the child. M363503 [Description of main components] 2 Beam base 42 First fastener 3 Shading unit 421 First base wall 31 Shading curtain 422 First buckle wall 311 Drop portion 423 First hanging loop 312 Drop end 43 Second fastener 313 Assembly groove 431 Second base wall 32 Stacking assembly 432 Second buckle wall 321 Crossing rod 433 Second hanging ring 322 Connecting belt 434 Space 323 Buckle 44 Engagement mechanism 4 Rope unit 441 Ring groove 40 Buckle seat 442 Ring ring 41 Pull cord 45 Holding mechanism 411 Control section 451 Groove 412 Linkage section 452 Positioning concave ring 413 Connection end 453 Elastic bundle 10