201144117 六、發明說明： 【發明所屬之技術領域】 種具有頭 本發明是有關於-種幼兒推4，特別是指一 部保護構造的幼兒推車。 【先前技術】 幼兒推車為一般幼兒昭嗜去恶益 0 , u者帶者幼兒外出時常備的用 二，為滿足幼兒平躺睡眠的需要，一般幼兒推車的椅座背 #，通常可以調整傾斜角度，提供坐臥兩用。201144117 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a child pusher 4, and more particularly to a child care cart having a protective structure. [Prior Art] The stroller is a general child who wants to go to the evil 0, and the u take the child to use when the child goes out. In order to meet the needs of the child's flat sleep, the chair back of the general stroller can usually Adjust the tilt angle to provide both sitting and lying.
然而，當背靠由坐立位置向下樞轉成平躺位置時，背 罪曰由幼兒推車後方凸,，因背#的周圍_般 幼兒頭部高度的護欄，因此幼 有门於 ^ K ^ ^ . 兄頭。卩方向未有保護措施， 動* i的顧慮’尤其推車在推行當中 不的安骨全動可能造成„移出推車的承載面以致造錢用上的 態幼兒推車上增加平 且不妨礙幼兒推車的 因此，在一般坐臥兩用的各種型 躺位置時對於幼兒頭部的保護措施， 收合性存在有一需求。 【發明内容】 種可在座臥兩用的 作的頭部保護構造 因此，本發明之㈣，即在提供— 幼兒推車轉換成平躺使用時提供一易操 的幼兒推車。 μ 依據本發明> ά 的幼兒推車，包乂 /㈣本^明具有頭部保護構造 靠件。車架包括：一車架，及附接至車架的-椅座及-背 、—侧框架，且椅座及背靠件設置於二側框 201144117 架之間，背靠件可相對椅座在一坐立使用位置與_平躺使 用位置間樞轉位移。幼兒推車還包含一設置於二側框架門 的頭部圍護機構，背靠件位於平躺使用位置時，頭部圍護 機構沿著背靠件周圍形成一向上延伸的護攔。 本發明之功效，藉由頭部圍護機構沿著背靠件周圍形 成-向上延伸的護攔可以防止幼兒頭部移出背靠件的推車 承載面’達到保護幼兒的目的。而且，其操作簡單方便， 容易使用及收合。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配α參考圖式之二個較佳實施例的詳細說明中，將可 清楚的呈現。 在本發明被詳細描述之前，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。 參閱圖1、圖2與圖3’本發明的幼兒 一較佳實施例包含：一車架！，及附接至車架1的-= 12、一背靠件15、及一頭部圍護機構。 處’而連接桿141上端與側扶+ 14後端連接，下端則是抵 靠於相對的後支腳⑴±，轉持車架i的展開狀態。手 推管13位於側扶手14外側，且手推管13的一端與後支腳 車架1包括二側框架i 0 11、一後支腳111、一側扶手 141。前支腳π及後支腳U1 111連接。 。各側框架1 〇具有一前支腳 14、一手推管13及一連接桿 上端樞接於側扶手14的前端 201144117 椅座12設置於二側框架1〇的前、後支腳u、⑴之 間’背靠件！5位於侧扶手14及連接桿141内側，且背靠 件15兩端分別樞接於侧㈣1〇料推# 13上並靠近椅座 12後側。背靠件15可相對椅座12樞轉，而在—坐立使用 位置(如圖3所示)及一平躺使用位置(如圖2所示则動， 以調整背靠件15相對於椅座12的傾斜角度，使幼兒能舒 適地乘坐。在本實施例中，背靠件15為U形管，背靠件15 上套設一座布2，以支撐幼兒，但是背靠件15也可以是一 板體’同樣可搭配座布2使用。 頭部圍護機構包括-撐持件3及—圍欄件4，樓持件3 在此貫施例中呈1J开> 且兩端分別樞設於兩側框架1 〇的側扶 手14後端處。圍攔件4設置於撐持件3與背靠件丨5之間 ，也就是說，園攔件4兩侧分別連接於撐持件3及背靠件 15。參閱圖2、圖4、圖5與圖6，標持件3具有一 ϋ形桿 件31及分別連接於桿件31兩端的樞接座32。桿件31與樞 接座32可分離地連接，以方便組裝圍欄件4，其卡合結構 將藉由下述第二較佳實施例再詳細說明。各樞接座32與其 對應的側框架1〇之間設有一限位機構，以限制撐持件3在 一第一位置（如圖5所示）與一第二位置（如圖6所示）所界定 的角度範圍内樞轉。限位機構包括設於側框架1〇的的側扶 手14後端處的—第一擋止件16及一第二擋止件π，以及 設於枢接座32的一第三擋止件321。在本實施例中，樞接 座32具有一本體320，且第三擋止件321為由本體320往 對應的側框架1〇凸伸的一凸塊321，第一擋止件16及第二 201144117 擋止件17分別為相間隔地凸伸於凸塊321移動路徑上的— 上擔塊16及—下擋塊17。參閱圖5,當凸塊321抿接上幹 ，16時’上播塊16限制凸塊32ι往上移動而使樓持件^ 疋位於第-位置<參閱圖6，當凸塊321抵接下擋塊”時 笛下擋塊Π限制凸塊321往下移動，而使樓持件3定位於 第二位置。再配合圖2與圖3,背靠件15位於撐持件3内 _轉’以避免樞轉時受到撑持件3干擾且背靠件1 轉的角度範圍大於樓持件3。如圖3所示，當背靠立 於坐立使用位置時，擋 位 對_二I :於第一位置 使用位置時，樓持：3 ’當背靠件15位於平躺 件3位於下側。立於第一位置’背靠件15相對樓持 再參閱圖1、圖2 . a 件3及背靠杜κ 圍攔件4的兩側分別與撐持 時，揮持ΓΓ ’因此當背靠件15相對椅座12枢轉 定撐持件3的攔件4帶動抱轉，且藉由限位機構界 間二二的」:轉角度使其僅能在第 第-位置，此, 使用位置時，撐持件3處於 造成其上乘坐料二件3/於前側’以避免 樞轉至平躺# " β老靠件15相對椅座12 動，二^ ^置時’圍爛件4的—側隨著背靠件”移 第二位置，此側所連'结的撑持件3柩轉並定位於 此時背罪件15移到撐拄姓， 持件3位於背靠件15上方的 ^ 3的下側。藉此，標 靠…張圍欄件4,使圍欄件J著處^ 卞4化者背靠件15周圍形成 201144117 ㈣ 、3襴’即可避免幼兒頭部移出背靠件15以外 p 7載面，達到保護幼兒的目的。而且，圍攔件4在 …、而附加操作動作下擇張形錢欄，如此在使用上簡單便 :欲收合幼兒推車時，因圍攔件4為軟質材料而能擠壓 摺且π佔空間’且撐持件3可枢轉至與手推管u大致相 同的角度，並位於手推管13内側’所以能順著嬰兒推車的 收合方向容易地收合。However, when the backrest is pivoted downward from the sitting position to the flat position, the back sin is protruded from the rear of the child's stroller, and because of the guardrail around the head of the child's head, the young child has a door. K ^ ^ . Brother. There is no protection in the direction of the ,, and the concern of the mobile phone is that the movement of the stroller in the implementation of the stroller may result in the removal of the carrying surface of the stroller. Therefore, there is a need for the protection of the child's head in the various types of lying positions in the general sitting and lying position. [The invention] The head protection structure that can be used in the seat and the bed Therefore, (4) of the present invention provides a child-friendly stroller when the child stroller is converted into a flat bed. μ According to the present invention, the child stroller, the bag/(4) has a head The structure comprises: a frame, and a seat and a back and a side frame attached to the frame, and the seat and the backrest are disposed between the two side frames 201144117, and the backrest The piece can be pivotally displaced relative to the seat in a sitting position and a lying position. The stroller further includes a head enclosure disposed on the two side frame doors, the backrest being in a flat position , the head enclosure around the backrest An upwardly extending barrier. The effect of the present invention is that the head restraint mechanism is formed along the backrest member to form an upwardly extending barrier to prevent the child's head from moving out of the backrest carrier's carrying surface to protect the child. Moreover, the operation is simple and convenient, easy to use and close. [Embodiment] The foregoing and other technical contents, features and effects of the present invention are detailed in the following two preferred embodiments of the reference pattern. In the description, the present invention will be clearly described. 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 to FIG. 1, FIG. 2 and FIG. 3' A preferred embodiment of the infant of the present invention comprises: a frame!, and -= 12 attached to the frame 1, a backrest member 15, and a head restraint mechanism. The upper end of the connecting rod 141 is The side support + 14 rear end connection, the lower end is against the opposite rear leg (1) ±, and the rotation of the frame i is expanded. The push tube 13 is located outside the side armrest 14 and the end of the hand push tube 13 and the rear The leg frame 1 includes two side frames i 0 11, The rear leg 111 and the one side armrest 141. The front leg π and the rear leg U1 111 are connected. Each side frame 1 has a front leg 14, a hand push tube 13 and a connecting rod upper end pivotally connected to the side armrest 14 Front end 201144117 The seat 12 is disposed between the front and rear legs u and (1) of the two side frames 1'. The backrest member 5 is located inside the side armrest 14 and the connecting rod 141, and the two ends of the backrest member 15 are respectively pivotally connected. On the side (four) 1 push push # 13 and close to the rear side of the seat 12. The backrest 15 can pivot relative to the seat 12, and in the sitting position (as shown in Figure 3) and a flat use position (such as 2, the movement is adjusted to adjust the inclination angle of the backrest member 15 with respect to the seat 12, so that the child can comfortably ride. In the embodiment, the backrest member 15 is a U-shaped tube, and the backrest member 15 is sleeved. A cloth 2 is provided to support the child, but the backrest 15 can also be a plate body which can also be used with the seat cloth 2. The head enclosure includes a support member 3 and a fence member 4, and the floor member 3 is 1J open in this embodiment and the two ends are respectively pivotally disposed at the rear ends of the side armrests 14 of the side frames 1 〇 . The retaining member 4 is disposed between the supporting member 3 and the backrest member 5, that is, the two sides of the gardening member 4 are respectively connected to the supporting member 3 and the backrest member 15. Referring to Figures 2, 4, 5 and 6, the holder 3 has a cymbal member 31 and a pivoting seat 32 coupled to each end of the member 31. The lever member 31 is detachably coupled to the pivot base 32 to facilitate assembly of the fence member 4, and the engagement structure will be described in detail by the second preferred embodiment described below. A limiting mechanism is disposed between each pivoting seat 32 and its corresponding side frame 1〇 to limit the supporting member 3 in a first position (as shown in FIG. 5) and a second position (as shown in FIG. 6). Pivot within a defined range of angles. The limiting mechanism includes a first stopping member 16 and a second stopping member π disposed at the rear end of the side armrest 14 of the side frame 1 , and a third stopping member 321 disposed at the pivoting seat 32 . . In this embodiment, the pivoting seat 32 has a body 320, and the third stopping member 321 is a protrusion 321 protruding from the body 320 toward the corresponding side frame 1 , the first stopping member 16 and the second The stoppers 17 are respectively the upper and lower stoppers 16 and 17 which are protruded from the movement path of the projections 321 at intervals. Referring to FIG. 5, when the bump 321 is spliced to dry, at 16 o'clock, the upper broadcast block 16 restricts the bump 32 from moving upward so that the holding member is located at the first position. Referring to FIG. 6, when the bump 321 abuts The lower stop" whistle lower stop Π restricts the projection 321 to move downward, and the holding member 3 is positioned at the second position. Referring to FIG. 2 and FIG. 3, the backrest member 15 is located in the support member 3 In order to avoid interference by the support member 3 during pivoting and the angle of rotation of the backrest member 1 is larger than that of the floor member 3. As shown in Fig. 3, when the backrest is standing at the sitting position, the gear position is _II I: When the position is used in the first position, the floor is held: 3 'When the backrest member 15 is located on the lower side of the flat member 3. Standing in the first position, the backrest member 15 is opposite to the floor. Referring to Figures 1 and 2, a piece 3 And when the two sides of the backrest of the κ 围 围 4 分别 撑 撑 撑 撑 撑 ΓΓ 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此 因此"Two in the inter-agency": the angle of rotation makes it only in the first position, and when the position is used, the support member 3 is placed on the front side of the support member 3/on the front side to avoid pivoting to the flat position# " β The supporting member 15 moves relative to the seat 12, and when the two parts are placed, the side of the surrounding member 4 is moved to the second position along with the backrest member, and the supporting member 3 connected to the side is turned and positioned at this time. The sinister member 15 is moved to the squat name, and the holding member 3 is located on the lower side of the ^3 above the backrest member 15. By this, the yoke member 4 is marked, so that the fence member J is located at the back of the shackle The formation of 201144117 (four), 3襕' around the piece 15 can prevent the child's head from moving out of the p 7 carrier surface other than the backrest member 15 to achieve the purpose of protecting the child. Moreover, the fence member 4 is selected under the action of additional operations. The money bar is so simple to use: when the child stroller is to be folded, the brace member 4 is soft and can be squeezed and π occupies the space 'and the support member 3 can be pivoted to the hand push tube u The same angle, and located inside the hand push tube 13 'so can be easily folded in the folding direction of the stroller.
參閲圖7 ffi| 8與圖9’本發明具有頭部保護構造的幼 兒推車的第：較佳實施例與第—較佳實施例大致相同，撐 持件3’兩端分別樞設於—對側扶手14，後端處，惟，第二較 佳實施例的限位機構與第一較佳實施例有所差異。在說明 第二較佳實施例的限位機構與第一較佳實施例的差異前， 先說明料件的桿件31，與樞接座32，可分離地連接的具 體結構。參閱圖8與圖9,撐持件3,的各樞接座32，具有一 本體320’、設於本體32〇,以容置桿件31，的一端的一插槽 324及位於插槽324’之一側的一第一卡合件（325,、326，） 。桿件31’的兩端分別設有與第一卡合件（325,、326,)相配 合且可分離地連接的一第二卡合件311、在本實施例中， 第一卡合件（325,、326，）包括一彈性臂325，及一由彈性臂 325’往插槽324,凸伸的卡塊326，，第二卡合件311，為配合 卡塊326’的一穿孔31Γ。藉此，使桿件31’與樞接座32，可 拆地連接。欲分離桿件31’與樞接座32,時，由於彈性臂 325具有彈性，只要按壓卡塊326,，將卡塊326,退出桿件 201144117 3Γ的穿孔311’，即可將桿件31，與樞接座32，分離。再組裝 時，將桿件31’插入插槽324，，桿件31，的前端可將卡塊 326’推開，卡塊326’可藉由彈性臂奶，㈣復力回復原位 而進入穿孔311’中完成卡合動作。藉由桿件31，與樞接座 32’可分離地連接，以將圍欄件（本實施例中未示出，可參考 圖1)裝設於撐持件3’上。 以下說明第二較佳實施例的限位機構，參閱圖9、圖 10與圖1卜樞接座32,還具有一由本體32〇,内側面往相對 應的側框架10,凸伸的凸伸部321，、一由本體32〇，内側面凹 陷並位於樞接座32,的轉動半徑上的弧形限位槽322，，及界 定限位槽322,的一端的一擋壁323’。在第二較佳實施例中 :凸伸部321’、限位槽322,及擋壁323,構成限位機構的第 三擋止件。而且第一擋止件16’及第二擋止件17，設置於側 框架1〇,與枢接座32,樞接處附近，第一擋止件16，為凸伸於 凸伸部321’往上移動路徑上的一上擋塊16，，第二擋止件 17’為凸伸於限位槽322’中且可抵接擋壁323，的一下擋塊 。參閱圖7與圖1〇，當背靠件15,位於坐立使用位置時 凸伸部321’抵接於上擋塊16’，上擋塊16，限制凸伸部 321’往上移動，而使撐持件3’定位於第一位置背靠件 相對撐持件3,位於前側。參閱® 11，與第一較佳實施例相 同地’當背靠件15,樞轉至平躺使用位置時，撐持件3，由圍 欄件連動，樞接座32,往下樞轉，限位槽322，可相對下擋塊 17’移動（如圓9所示方向，限位槽322,相對下擋塊π，逆時 針轉動）’直到擋壁323,抵接於下擋塊17,，下擋塊ι7，限制 201144117 擋：323,往下移動，而使撐持件3,定位於第二位置 月罪件15’相對#持件3,位於下側（參考圖卜2，不 圖示），藉此，撐持件3,位於背靠件15，上方的—定距離處卜 ，由撐持件3，與背靠件15，樓張圍欄件，使圍攔件沿 件15,周圍形成-向上延伸的護攔，以防止幼兒頭部移出： 靠件15,以外的推車承載面，以免產生危險。 出月Referring to FIG. 7 ffi|8 and FIG. 9', the preferred embodiment of the stroller having the head protection structure of the present invention is substantially the same as the first preferred embodiment, and the two ends of the supporting member 3' are respectively pivoted at - The opposite side armrest 14 is at the rear end, but the limiting mechanism of the second preferred embodiment is different from the first preferred embodiment. Before explaining the difference between the limiting mechanism of the second preferred embodiment and the first preferred embodiment, the specific structure in which the rod member 31 of the material member and the pivoting seat 32 are detachably connected will be described. Referring to FIG. 8 and FIG. 9 , each pivoting seat 32 of the supporting member 3 has a body 320 ′, a slot 324 disposed on the main body 32 容 to receive one end of the rod 31 , and a slot 324 ′ a first engaging member (325, 326,) on one side. The two ends of the rod 31' are respectively provided with a second engaging member 311 which is detachably coupled with the first engaging members (325, 326,). In the embodiment, the first engaging member (325, 326,) includes a resilient arm 325, and a latch 326 extending from the resilient arm 325' to the slot 324. The second latching member 311 is a through hole 31 of the engaging block 326'. . Thereby, the lever member 31' and the pivoting seat 32 are detachably connected. In order to separate the rod 31' from the pivoting seat 32, since the elastic arm 325 has elasticity, as long as the clamping block 326 is pressed, the clamping block 326 is ejected from the perforation 311' of the rod member 201144117 3Γ, and the rod member 31 can be Separated from the pivoting seat 32. When reassembling, the rod member 31' is inserted into the slot 324, and the front end of the rod member 31 can push the card block 326' away, and the card block 326' can enter the perforation by elastic arm milk, (4) returning to the original position by the restoring force. The engagement action is completed in 311'. The lever member 31 is detachably coupled to the pivoting seat 32' to mount the fence member (not shown in Fig. 1 in Fig. 1) on the supporting member 3'. The following describes the position limiting mechanism of the second preferred embodiment. Referring to FIG. 9, FIG. 10 and FIG. 1 , the pivoting seat 32 further has a body 32 〇, the inner side surface is corresponding to the corresponding side frame 10, and the convex protrusion is convex. The extending portion 321 is an arc-shaped limiting groove 322 which is recessed on the inner side surface and located on the rotating radius of the pivoting seat 32, and a blocking wall 323' defining one end of the limiting groove 322. In the second preferred embodiment, the projection 321', the limiting groove 322, and the blocking wall 323 constitute a third stopper of the stopper mechanism. Moreover, the first stopping member 16' and the second stopping member 17 are disposed on the side frame 1〇, and the pivoting seat 32 is adjacent to the pivoting portion, and the first stopping member 16 protrudes from the protruding portion 321' An upper stop 16 is moved upwardly, and the second stopper 17' is a lower stopper protruding in the limiting groove 322' and abutting against the blocking wall 323. Referring to FIG. 7 and FIG. 1A, when the backrest member 15 is in the sitting position, the protruding portion 321' abuts against the upper stopper 16', and the upper stopper 16 moves the restricting projection portion 321' upward. Positioning the support member 3' in the first position relative to the support member 3 is located on the front side. Referring to the same as the first preferred embodiment, 'when the backrest member 15 is pivoted to the flat use position, the support member 3 is interlocked by the fence member, pivoting the seat 32, pivoting downward, and limiting The groove 322 is movable relative to the lower block 17' (in the direction indicated by the circle 9, the limiting groove 322, relative to the lower block π, counterclockwise) until the retaining wall 323 abuts against the lower block 17, Block ι7, limit 201144117 block: 323, move down, and the support member 3, positioned in the second position, the sinister 15' relative to the #3, located on the lower side (refer to Figure 2, not shown), Thereby, the supporting member 3 is located at the top of the backing member 15, at a fixed distance, by the supporting member 3, and the backrest member 15, the floor fence member, so that the fence member is formed along the member 15, and extends upwardly. Barriers to prevent the child's head from moving out: The load-bearing surface of the cart outside the seat 15, to avoid danger. Moon
依據前述本發明幼兒推車的較佳實施例，在背靠件15 、15’位於平躺❹位置時，連接於料件卜3，與背靠件 15、15’之間的圍欄件4可連動料件3、3，，且撐持件3、 3’被定位在距離背靠# 15、15，上方_定距離的第二位置處 以將圍欄件4撑張形成護欄，可以防止幼兒頭部移出背 罪件15、15以外的推車承載面，達到保護幼兒的目的。而 且，其操作簡單方便，容易使用及收合。 惟以上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範圍，即大凡依本發明申請專利 範圍及發明說明内容所作之簡單的等效變化與修飾，皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1是說明本發明具有頭部保護構造的幼兒推車的第 一較佳實施例的立體圖。 圖2是類似圖1的立體圖，其中一圍欄件被移除且一 背靠件位於平躺使用位置。 圖3是說明該背靠支禮管位於坐立使用位置時的立體 圖。 201144117 圖4是說明一限位機構的部分立體分解圖。 圖^是說明-樓持件定位於第—位置時該限位機構的 結構關係的局部放大圖。 圖6是說明樓持件定位於第二位置時該限 構關係的局部放大圖》 圖7疋說明本發明具有頭部保護構造的幼兒推車 二較佳實施例的一撐持件與一 第 。 肖聽条的結合關係的立體圖 圖8是說明該樓持件 圖u w _扶手後端的立體圖。 圖9疋圖8的立體分解 圖10是說明該樓持件广標持件的結構。 結構關係的局部放大圖。疋立於第-位置時-限位機構的 圖η是說明該撐持件定位於 結構關係的局部放大圖。 置時該限位機構的 201144117 【主要元件符號說明】 1 ....... …·車架 10…… •…側框架 11…… •…前支腳 111… •…後支腳 12…… •…椅座 13…… •…手推管 14…… •…側扶手 141 ·· •…連接桿 15••… •…背靠件 16••… •…第一擋止件（上擋 塊） 17…·. •…第二擋止件（下擋 塊） 2 ....... -···座布 3…… •…撐持件 31··.·· …·桿件 32··.·. •…樞接座 320… •…本體 321 ··· …·第三擋止件（凸塊） 4 ..........圍棚件 10’........側框架 14’........側扶手 15’........背靠件 16’........第一擋止件（上擋 塊） 17’........第二擋止件（下擋 塊） 3’ .........撐持件 3Γ........桿件 311’……穿孔 32’........樞接座 320’……本體 321’……凸伸部 322’……限位槽 323’……擋壁 324’……插槽 325’……彈性臂 326’……卡塊 11According to the preferred embodiment of the foregoing child care cart of the present invention, when the backrest members 15 and 15' are in the lying position, the fence member 4 connected to the material member 3 and the backrest members 15 and 15' can be Linking the material members 3, 3, and the supporting members 3, 3' are positioned at a second position from the back of the #15, 15, upper _ fixed distance to support the fence member 4 to form a guardrail, which can prevent the child's head from being removed The carrying surface of the cart other than the criminals 15, 15 achieves the purpose of protecting the child. Moreover, its operation is simple and convenient, easy to use and close. The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing a first preferred embodiment of a stroller having a head restraining structure of the present invention. Figure 2 is a perspective view similar to Figure 1 with a fence member removed and a backrest member in a flat use position. Fig. 3 is a perspective view showing the back support tube in a sitting position. 201144117 Figure 4 is a partial exploded perspective view showing a limit mechanism. Fig. 2 is a partially enlarged view showing the structural relationship of the stopper mechanism when the floor member is positioned at the first position. Fig. 6 is a partially enlarged view showing the relationship of the structure when the floor member is positioned at the second position. Fig. 7 is a view showing a support member and a first embodiment of the child care cart of the present invention having a head protection structure. Fig. 8 is a perspective view showing the rear end of the floor member u w _ armrest. Fig. 9 is a perspective exploded view of Fig. 8. Fig. 10 is a view showing the structure of the wide holder of the building member. A partial enlarged view of the structural relationship. The figure η of the position limiting mechanism when standing at the first position is a partial enlarged view showing the positioning of the holder in a structural relationship. When the time limit mechanism is set 201144117 [Main component symbol description] 1 ....... ... frame 10... •... side frame 11... •... front leg 111... •... rear leg 12... ... •... Seat 13... •...Hand push tube 14... •...Side armrest 141 ·· •... Connecting rod 15••... •...Backing piece 16••... •...First stop (upper block) Block) 17...·.•...Second stop (lower stop) 2 ....... -··· Seat 3... •...Support 31······· Rod 32 ·····•...Pivot socket 320... •...body 321 ··· ...·third stop (bump) 4 .......... enclosure 10'.... .... side frame 14'........side armrest 15'........backrest member 16'........first stop member (upper stop) 17'........Second stop (lower stop) 3' .........Support 3Γ........Rod 311'...Perforated 32'........Pivot socket 320'...body 321'...protrusion 322'...restriction slot 323'...block wall 324'...slot 325'...elastic arm 326'...block 11