M441578 五、新型說明： 【新型所屬之技術領域】 本新型涉及一種輪子快拆機構，尤其涉及一種用於實 現兒童車的前輪組件可拆卸連接的快拆機構。 【先前技術】 兒童車早已被廣泛用於有兒童的家庭中，通常兒童車 的前輪組件内都設置有一轉向機構，用於實現兒童車的輕 鬆轉向；且現有兒童車為了滿足包裝及運輸的需求，多設 計為可折疊的結構，車架與前輪之間還往往被設計為可拆 卸的結構，由用戶自行組裝後使用，因此，前輪組件的安 裝需達到簡單、便捷的要求，但現有兒童車的設計中前 輪組件的安裝多採用卡合連接方式，即在.前輪組件與車架 之間6又置相對應的卡合機構，以使前輪組件可卡合於車= 上，但複雜的轉向機構及卡合機構使得兒童車的結構較為 複雜’也造成人們組裝和拆卸的不便。 因此，急需一種結構簡單且拆裝方便的卡合機構來解 決上述現有技術的不足。 【新型内容】 因此，本新型之目的在於提供一種結構簡單的輪子快 拆機構，其使得兒童車前輪組件的拆裝更方便。 於是’為實現上述目的，本新型的技術方案為：提供 -種輪子快拆機構，適用於安裝在兒童車的—前輪組件，、 上，用於實現兒童車的該前輪組件與一前輪桿之間可拆卸 地活動連接，該前輪組件包括一輪座，及—安裝於該輪座 3 M441578 上的前輪，該輪子快拆機構包括一卡合組件及一前輪限位 件，該前輪限位件套設於該前輪桿的下端，該卡合組件安 裝於該輪座内，該前輪桿的下端與該輪座相連接，且該前 輪限位件與該卡合組件對應可拆卸地卡合連接。 較佳地，該前輪限位件具有一基部，及一從該基部上 凸伸形成的卡合部。該前輪限位件上開設有一貫穿該基部 及該卡合部的通孔。該前輪桿的下端穿過該通孔並與該前 輪限位件固定連接。 較佳地’該前輪限位件的卡合部上開設有一環形凹 槽。該輪座包括一呈令空結構的連接部，從該連接部延伸 形成二樞接部及一安裝部。該連接部的中空結構形成一連 接孔。該卡合組件安裝於該安裝部上並伸入該連接孔内， 該前輪桿的下端伸入該連接孔内並使該卡合部上的環形 凹槽與該卡合組件對應卡合連接。 較佳地，該輪座的安裝部上開設有一貫穿該連接部並 連通該連接孔的容置扎。該卡合組件滑動地設置於該容置 孔内並伸入該連接孔中。 較佳地，該卡合組件包括一快拆推鈕、一復位件及一 固定件。該固定件固定於該輪座的連接部與安裝部之間。 該快拆推鈕承載於該固定件上且前端伸入該連接孔内。該 復位件抵觸於該快拆推鈕與該容置孔的側壁之間。 較佳地，㉟快拆推知的前端具有一卡合凸部，該快拆 推鈕的後端具有-推移部，該快拆推鈕的背面的中部具有 一凸出的抵觸部。該抵觸部承載於該固定件上，該推移部 4 M441578 凸出該容置孔’該復位件容置於該抵觸部與該容置孔的側 壁之間。 較佳地’該卡合組件的復位件為彈簧。 較佳地，該前輪組件還包括一定向按紐。該定向按紐 滑動連接於該輪座的連接部上且其上端凸出該連接部。該 别輪限位件的基部上開設有一缺口，該定向按紐的上端與 該缺口相卡合，使該前輪組件定向連接於該兒童車上。 較佳地’該定向按紐的下端有一底部，該輪座的連接 部上開設有一安裝孔，當該定向按鈕的上端穿過該安裝孔 並凸出該安裝孔時，該定向按鈕的底部抵接於該連接部的 下端。 較佳地，該前輪組件還包括一套管，該套管從該輪座 的連接孔的下端伸入並支撐該定向按鈕。 較佳地，該輪座的每一樞接部上開設有一安裝槽。該 前輪滑動連接於該等安裝槽内。 較佳地，該前輪組件還包括二避震座及二避震彈簧’ 〜荨避震座刀別女裝於該則輪的樞接軸上，該等避震彈簧 分別容置於該等避震座與相對應的該等樞接部之間。 與現有技術相比，由於本新型的輪子快拆機構，其具 有該卡合組件及該前輪限位件，該前輪限位件安裝於該前 輪捽的下端，該卡合組件安裝於該輪座内，該前輪桿的下 鳊〃該輪座相連接，且該别輪限位件與該卡合組件對應卡 合連接’實現兩者的連接’需拆卸時’推動該卡合組件使 其與該前輪限位件之間的卡合連接解除，便可將該前輪組 5 件拆卸下來，而再 ^ 再組裝時，只需將該刖輪桿的下端插入該 ^則輪梓便可使其與該卡合組件相卡合，實 現兩者的組裝，对上 该卡合組件及該前輪限位件的結構簡單， 且使該前輪組件的拆裝操作更為方便快捷。籌簡早 【實施方式】 附圖中類似的元 現在參考附圖描述本新型的實施例 件標號代表類似的元件。 土如圖1至圖4所示，本新型輪子快拆機構安裝於一 兒童車的-前輪組件上，用於實現該兒童車的該前輪組件 與:前輪桿3G之間可拆卸地連接。其中，該前輪組件包括 :前輪、-輪座12、一定向按叙13、二避震組件Μ及一套 管15。該前輪枢接於該輪座12的下端該輪座12的一連接 部⑵與該前輪桿30連接’該定向按鈕13安裝於該輪座η 上用於實現該前輪的定位或轉向，該等避震組件14分別安 裝於該前輪的樞接轴處。該輪子快拆機構包括一卡合組件 20及一前輪限位件24，該前輪限位件24安裝於該前輪桿3〇 的下端。該卡合組件20安裝於該輪座12内，該前輪限位件 24的下端伸入該輪座12内，使該前輪限位件24與該卡合組 件20對應可拆卸地卡合連接，從而實現該前輪桿3〇與該前 輪組件之間的活動連接。 如圖2及圖5所示，該前輪限位件24具有一固定於該 前輪桿30上且呈圓形的基部241 ，從該基部241端面凸伸 形成一卡合部242 ’該卡合部242的周面開設有一環形凹 槽243 ，且該卡合部242的自由端形成傾斜面並具有弧形 M441578 倒角。在該基部241上還開設有一缺口 244。該基部24ι 及該卡合部242圍繞界定出一通孔，該前輪桿3〇的下端穿 過該通孔並與該前輪限位件24固定連接。在該前輪桿30的 下端還設置有-連接套31。該前輪桿3〇的下端穿設於該連 接套31上，且該前輪限位件24的基部241與該連接套Η相 抵觸。 參閱圖3至圖5，該輪座12包括一具有中空管狀結構 # ㈣接部121 ’及從該連接部⑵的兩侧向下傾斜延伸口形 成的二平行的樞接部122。該連接部121的中空管狀結構 為一連接孔124 ，在每一樞接部122上還沿豎直方向開設 有女裝槽丨27。該前輪設置於該等枢接部122之間並通 過樞接轴滑動連接於該等安裝槽127内.從該連接部ΐ2ι 的一側還延伸形成有一安裝部123 ，該安裝部123與該等 樞接部122設置於該連接部121的同一侧，且該安裝部 123設置於該等樞接部122的上方，該安裝部123呈片狀 φ 結構。在該安裝部123上貫穿開設有一容置孔120 ，該容 置孔126連通該連接孔124。 該卡合組件20包括一固定件21、一快拆推鈕22及一復 位件23。該快拆推鈕22具有一位於前端的卡合凸部部 221 、一位於後端的推移部222、一連接於該卡合凸部部 221與該推移部222之間的卡合區223 ，及一自該卡合區 223底面凸伸的抵觸部224。該卡合凸部部221的前端形 成傾斜的導向斜面。該卡合組件2〇可滑動地設置於該容置 孔126處，且該卡合組件2〇的快拆推鈕22的卡合凸部部 7 M441578 221前端可伸入該連接孔〗24内，快拆推鈕22的推移部 222凸出該容置孔126。該前輪桿3〇的下端伸入該連接孔 124内，並使該前輪限位件24上的該環形凹槽243與該卡 合組件20的卡合凸部部221對應卡合連接。 該卡合組件20安裝於該輪座12上時，該固定件2〗固定 於該連接部121與該安裝部123之間。該快拆推鈕22的抵 觸部224承載於該固定件21上，且使該卡合凸部部22ι凸 出於該固定件21後伸入連接孔124内。該快拆推鈕22的推 移部222凸出該容置孔126 ，該卡合區223卡持於該輪座 12上。該復位件23抵觸於該抵觸部224與該容置孔126的 側壁之間。本實施例中，該復位件23優選為彈簧，也可為 其他具有彈性恢復力材質的元件。 在該連接部121上相對於該安裝部123的另一側還 有一與該連接孔124平行排列地貫穿開設的安裝孔125 ， 用於安裝該定向按鈕13，可提供該輪座12固定其與該前輪 桿30之間的相對位置。 該定向按紐13的下端向外彎折形成一底部132 ，該定 向按紐13的上端131自下而上穿過該安裝孔125後並凸出 該安裝孔125 »該底部132與該連接部121的下端相抵 觸，進而將該定向按鈕13滑動連接于該安裝孔125内。 在該連接部121的下端還安裝有一套管15，該套管15 從該連接部121的下端伸入並套接於該連接孔ι24内。該 套管15的一上端並可與伸入該連接孔ι24内的該前輪桿3〇 的下端相套接’如此該定向按鈕13的底部132可被該套管 2支撑而保持於該安裝孔125之中滑動。當施加外力使該 定向按叙13的上端131卡合於該前輪限位件24上的缺口 244(如圖2所示）β ’從而對該前輪組件進行定位，若需 對該前輪組件進行轉向時，推動該定向㈣㈣其上端 131退出該前輪限位件24上的缺σ 244，便可使該前輪組 件自由轉向。前述該定向按紐13的結構簡單，且能便捷地 實現該前輪組件的定位或轉向。 在本實施例中，該輪座12與該前輪之間還安裝有該等 避震組件14，每-避震組件14包括—避震座⑷及一避震 仰簧42母避震座141上設置有承載台，該等避震座 141刀別女裝於該前輪的樞接轴端部。該等避震彈簧Μ〗 的下端分別承載於相對應的該等避震座141上，上端分別 抵觸於3玄輪座12的該等安裝槽127内。 合圖6至圖7，對本新型的前輪組件的拆裝工作過 程進行說明。 前輪組件安裝於該前輪桿3〇上時，該快拆推鈕22的該 卡合凸部部221卡合於該前輪限位件24上的該環形凹槽 243内，貫現兩者的卡合連接，使該前輪組件可以支揮該 前輪桿30並且相對於該前輪桿30進行旋轉達到控制兒童車 行進方向的目的’若需拆除該前輪組件時，對該快拆推紐 22的推移部222施加如圖6中箭頭方向所示的力，即向外 侧推動該快拆推鈕22使其向後滑動，進而使其前端的該卡 合凸部部221脫離該前輪限位件24上的環形凹槽243 ，從 而可將該前輪組件拆下。需重新安裝該前輪組件時，將該 M441578 刚輪桿30的下端插入該輪座12上的連接孔124内，在該前 輪限位件24的卡合部242上的傾斜面與該卡合凸部部221 的導向斜面的抵接及導向作用下，加上該復位件23的作 用’容易地使該快拆推紐22的卡合&部部221移動且自動 地卡合於該前輪限位件24上的環形凹槽243内，實現兩者 的卡合連接。 由於本新型的輪子快拆機構’其具有該卡合組件2〇及 該前輪限位件24 ’該前輪限位件24安裝於該前輪桿3〇的下 端’該卡合組件20安裝於該輪座12内，該前輪桿3〇的下端 伸入該輪座12内’且該前輪限位件24與該卡合組件2〇對應 卡合連接，推動該卡合組件20使其與該前輪限位件24之間 的卡合連接解除’便可將該前輪組件拆卸下來，而組裝 時’只需將該刖輪桿30的下端插入該輪座12内便可使其與 該卡合組件20相卡合，實現兩者的組裝，該卡合組件2〇及 該前輪限位件24的結構簡單，且使該前輪組件的拆裝操作 更為方便快捷。 本新型輪子快拆機構並不限於在兒童車的前輪組件中 安裝應用，還可根據實際需要，用於相類似的其他輪子元 件的安裝中。 以上所揭露的僅為本新型的優選實施例而已，當然不 能以此來限定本新型之權利範圍，因此依本新型申請專利 範圍所作的等同變化，仍屬本新型所涵蓋的範圍。 【圖式簡單說明】 圖1是本新型前輪組件的結構示意圖； 10 M441578 圖2是圖1中前輪組件拆卸後的結構示意圖； 圖3是圖1中輪座的仰視圖； 圖4是本新型輪子快拆機構的分解示意圖； 圖5是本新型輪子快拆機構的剖視放大圖； 圖6是本新型輪子快拆機構鎖定狀態的剖視圖；及 圖7是本新型輪子快拆機構釋鎖狀態的剖視圖。M441578 V. New description: [New technical field] The present invention relates to a quick release mechanism for a wheel, and more particularly to a quick release mechanism for realizing the detachable connection of a front wheel assembly of a children's bicycle. [Prior Art] Children's bicycles have long been widely used in families with children. Usually, the front wheel assembly of the children's car is equipped with a steering mechanism for easy steering of the children's car; and the existing children's car meets the packaging and transportation needs. It is designed as a foldable structure. The frame and the front wheel are often designed as a detachable structure, which is assembled by the user. Therefore, the installation of the front wheel assembly needs to be simple and convenient, but the existing children's car In the design of the front wheel assembly, the clamping connection is mostly adopted, that is, the corresponding locking mechanism is arranged between the front wheel assembly and the frame, so that the front wheel assembly can be engaged with the vehicle=, but the complicated steering The structure of the stroller and the mechanism of the stroller make the structure of the stroller more complicated, which also causes inconvenience in assembly and disassembly. Therefore, there is an urgent need for a snap mechanism having a simple structure and convenient assembly and disassembly to solve the above-mentioned deficiencies of the prior art. [New content] Therefore, the object of the present invention is to provide a wheel quick release mechanism with a simple structure, which makes the disassembly and assembly of the front wheel assembly of the child car more convenient. Therefore, in order to achieve the above object, the technical solution of the present invention is to provide a wheel quick release mechanism suitable for being mounted on a front wheel assembly of a children's bicycle, and for realizing the front wheel assembly and a front wheel rod of the children's bicycle. The front wheel assembly includes a wheel base, and a front wheel mounted on the wheel base 3 M441578. The wheel quick release mechanism includes a snap component and a front wheel limiter, the front wheel limiter sleeve The lower end of the front wheel bar is mounted in the wheel base. The lower end of the front wheel bar is connected to the wheel base, and the front wheel limiting member is detachably engaged with the engaging component. Preferably, the front wheel limiting member has a base portion and a engaging portion projecting from the base portion. A through hole penetrating the base portion and the engaging portion is defined in the front wheel limiting member. The lower end of the front wheel rod passes through the through hole and is fixedly coupled to the front wheel limiting member. Preferably, an annular groove is formed in the engaging portion of the front wheel limiting member. The wheel base includes a connecting portion in an empty structure, and the connecting portion extends to form two pivoting portions and a mounting portion. The hollow structure of the connecting portion forms a connecting hole. The engaging component is mounted on the mounting portion and extends into the connecting hole. The lower end of the front wheel bar extends into the connecting hole and the annular groove on the engaging portion is correspondingly engaged with the engaging component. Preferably, the mounting portion of the wheel base defines a receiving portion extending through the connecting portion and communicating with the connecting hole. The engaging component is slidably disposed in the receiving hole and protrudes into the connecting hole. Preferably, the snap assembly includes a quick release push button, a reset member and a fixing member. The fixing member is fixed between the connecting portion of the wheel base and the mounting portion. The quick release push button is carried on the fixing member and the front end projects into the connecting hole. The reset member is in contact with the quick release push button and the side wall of the receiving hole. Preferably, the front end of the 35 quick release inference has a snap protrusion, and the rear end of the quick release push button has a push-over portion, and the middle portion of the back surface of the quick release push button has a convex contact portion. The abutting portion is carried on the fixing member, and the pushing portion 4 M441578 protrudes from the receiving hole. The restoring member is received between the abutting portion and the side wall of the receiving hole. Preferably, the reset member of the snap assembly is a spring. Preferably, the front wheel assembly further includes a fixed button. The orientation button is slidably coupled to the connecting portion of the wheel base and the upper end thereof protrudes from the connecting portion. A notch is formed in the base of the wheel limiting member, and the upper end of the orientation button is engaged with the notch to orient the front wheel assembly to the stroller. Preferably, the lower end of the orientation button has a bottom portion, and a mounting hole is formed in the connecting portion of the wheel housing. When the upper end of the orientation button passes through the mounting hole and protrudes from the mounting hole, the bottom of the orientation button abuts Connected to the lower end of the connecting portion. Preferably, the front wheel assembly further includes a sleeve extending from the lower end of the connecting hole of the wheel base and supporting the orientation button. Preferably, a mounting slot is defined in each pivoting portion of the wheel base. The front wheel is slidably coupled to the mounting slots. Preferably, the front wheel assembly further includes two suspension seats and two suspension springs 〜 荨 荨 座 女装 女装 女装 女装 女装 女装 女装 女装 女装 女装 女装 女装 女装 , , , , , , , , , , , The seismic seat is between the corresponding pivoting portions. Compared with the prior art, the wheel quick release mechanism of the present invention has the engaging component and the front wheel limiting member. The front wheel limiting member is mounted on the lower end of the front rim, and the engaging component is mounted on the wheel seat. The wheel base of the front wheel bar is connected, and the wheel wheel limiting member is coupled with the engaging component to achieve a connection between the two to be disassembled to push the engaging component to When the engagement connection between the front wheel limiting members is released, the front wheel set 5 pieces can be removed, and when reassembling, the lower end of the front wheel bar can be inserted into the rim. The engagement with the engaging component realizes the assembly of the two, and the structure of the engaging component and the front wheel limiting component is simple, and the disassembly and assembly operation of the front wheel component is more convenient and quick. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [Embodiment] A similar element in the drawings will now be described with reference to the accompanying drawings. As shown in Figs. 1 to 4, the novel quick release mechanism of the present invention is mounted on a front wheel assembly of a stroller for detachably connecting the front wheel assembly of the stroller with the front wheel bar 3G. The front wheel assembly includes: a front wheel, a wheel base 12, a fixed direction 13, a second suspension component, and a set of tubes 15. The front wheel is pivotally connected to the lower end of the wheel base 12, and a connecting portion (2) of the wheel base 12 is connected with the front wheel bar 30. The orientation button 13 is mounted on the wheel base n for positioning or steering of the front wheel. The suspension assemblies 14 are respectively mounted at the pivot shafts of the front wheels. The wheel quick release mechanism includes a snap assembly 20 and a front wheel limit member 24, and the front wheel limit member 24 is mounted to the lower end of the front wheel bar 3〇. The engaging component 20 is mounted in the wheel base 12, and the lower end of the front wheel limiting member 24 extends into the wheel base 12, so that the front wheel limiting member 24 is detachably engaged with the engaging component 20, Thereby an active connection between the front wheel bar 3〇 and the front wheel assembly is achieved. As shown in FIG. 2 and FIG. 5, the front wheel limiting member 24 has a circular base portion 241 fixed to the front wheel bar 30, and an engaging portion 242 is formed to protrude from the end surface of the base portion 241. An annular groove 243 is defined in the circumferential surface of the 242, and the free end of the engaging portion 242 forms an inclined surface and has a curved M441578 chamfer. A notch 244 is also formed in the base 241. The base portion 241 and the engaging portion 242 define a through hole, and the lower end of the front wheel bar 3 穿 passes through the through hole and is fixedly connected to the front wheel limiting member 24. A - connecting sleeve 31 is also provided at the lower end of the front wheel bar 30. The lower end of the front wheel bar 3〇 is disposed on the connecting sleeve 31, and the base portion 241 of the front wheel limiting member 24 is in contact with the connecting sleeve. Referring to Figures 3 through 5, the wheel base 12 includes a two-parallel pivot portion 122 having a hollow tubular structure #(four) joint portion 121' and a downwardly extending extension port from both sides of the joint portion (2). The hollow tubular structure of the connecting portion 121 is a connecting hole 124, and a female groove 27 is further formed in each of the pivoting portions 122 in the vertical direction. The front wheel is disposed between the pivoting portions 122 and is slidably coupled to the mounting slots 127 by a pivoting shaft. A mounting portion 123 is further formed from a side of the connecting portion ,2ι, and the mounting portion 123 and the mounting portion 123 The pivoting portion 122 is disposed on the same side of the connecting portion 121, and the mounting portion 123 is disposed above the pivoting portion 122. The mounting portion 123 has a sheet-like φ structure. A receiving hole 120 is defined in the mounting portion 123, and the receiving hole 126 communicates with the connecting hole 124. The engaging assembly 20 includes a fixing member 21, a quick release push button 22 and a reset member 23. The quick release push button 22 has an engaging convex portion 221 at the front end, a pushing portion 222 at the rear end, and an engaging portion 223 connected between the engaging convex portion 221 and the pushing portion 222, and An abutting portion 224 projecting from a bottom surface of the engaging portion 223. The front end of the engaging convex portion 221 forms an inclined guiding slope. The engaging component 2 is slidably disposed at the receiving hole 126, and the front end of the engaging convex portion 7 M441578 221 of the quick release push button 22 of the engaging component 2 can extend into the connecting hole 24 The moving portion 222 of the quick release push button 22 protrudes from the receiving hole 126. The lower end of the front wheel bar 3 伸 extends into the connecting hole 124 , and the annular groove 243 of the front wheel limiting member 24 is engaged with the engaging convex portion 221 of the engaging assembly 20 . When the engaging component 20 is mounted on the wheel base 12, the fixing member 2 is fixed between the connecting portion 121 and the mounting portion 123. The abutting portion 224 of the quick release push button 22 is carried on the fixing member 21, and the engaging convex portion 22 is protruded from the fixing member 21 and protrudes into the connecting hole 124. The urging portion 222 of the quick release push button 22 protrudes from the accommodating hole 126, and the engaging portion 223 is clamped on the wheel base 12. The reset member 23 abuts between the abutting portion 224 and a sidewall of the receiving hole 126. In this embodiment, the reset member 23 is preferably a spring, and may be another member having an elastic restoring force material. A mounting hole 125 is formed in the connecting portion 121 opposite to the mounting portion 123, and is disposed in parallel with the connecting hole 124 for mounting the orientation button 13 to provide the wheel seat 12 to fix the same The relative position between the front wheel bars 30. The lower end of the orientation button 13 is bent outward to form a bottom portion 132. The upper end 131 of the orientation button 13 passes through the mounting hole 125 from below and protrudes from the mounting hole 125. The bottom portion 132 and the bottom portion 132 The lower end of the 121 is in contact with each other, and the directional button 13 is slidably coupled to the mounting hole 125. A sleeve 15 is further disposed at a lower end of the connecting portion 121. The sleeve 15 extends from the lower end of the connecting portion 121 and is sleeved in the connecting hole ι24. An upper end of the sleeve 15 is sleeved with a lower end of the front wheel rod 3〇 extending into the connecting hole ι24. Thus, the bottom 132 of the orientation button 13 can be supported by the sleeve 2 and held in the mounting hole. Slide in 125. When the external force is applied, the upper end 131 of the orientation 13 is engaged with the notch 244 (shown in FIG. 2) β' on the front wheel limiting member 24 to position the front wheel assembly, and if the front wheel assembly needs to be turned When the orientation (4) and (4) the upper end 131 is withdrawn from the missing σ 244 on the front wheel limiting member 24, the front wheel assembly can be freely steered. The aforementioned orientation button 13 has a simple structure and can easily realize the positioning or steering of the front wheel assembly. In this embodiment, the suspension assembly 14 is further mounted between the wheel base 12 and the front wheel, and each suspension assembly 14 includes a suspension seat (4) and a suspension back spring 42 on the female suspension seat 141. A carrying platform is provided, and the suspension seat 141 is attached to the end of the pivoting shaft of the front wheel. The lower ends of the suspension springs are respectively carried on the corresponding suspension seats 141, and the upper ends respectively abut against the mounting grooves 127 of the 3 wheelbases 12. Figure 6 to Figure 7 illustrate the disassembly and assembly process of the front wheel assembly of the present invention. When the front wheel assembly is mounted on the front wheel bar 3, the engaging convex portion 221 of the quick release push button 22 is engaged with the annular groove 243 of the front wheel limiting member 24, and the card of both ends is realized. The connection is such that the front wheel assembly can support the front wheel bar 30 and rotate relative to the front wheel bar 30 to achieve the purpose of controlling the traveling direction of the child car. If the front wheel assembly needs to be removed, the push portion of the quick release button 22 222 applies a force as shown by the direction of the arrow in FIG. 6, that is, the quick release push button 22 is pushed outward to slide backward, so that the engaging convex portion 221 at the front end thereof is disengaged from the ring on the front wheel limiting member 24. The groove 243 allows the front wheel assembly to be removed. When the front wheel assembly needs to be reinstalled, the lower end of the M441578 rigid wheel bar 30 is inserted into the connecting hole 124 of the wheel base 12, and the inclined surface on the engaging portion 242 of the front wheel limiting member 24 is engaged with the engaging convex portion. Under the action of the abutting and guiding of the guide slope of the portion 221, the action of the resetting member 23 is added to easily move the engaging and closing portion 221 of the quick release button 22 and automatically engage the front wheel limit. In the annular groove 243 on the bit member 24, the snap connection of the two is achieved. Since the wheel quick release mechanism of the present invention has the engaging component 2 and the front wheel limiting member 24', the front wheel limiting member 24 is mounted to the lower end of the front wheel bar 3'. The engaging component 20 is mounted to the wheel. In the seat 12, the lower end of the front wheel bar 3〇 extends into the wheel seat 12' and the front wheel limiting member 24 is correspondingly engaged with the engaging component 2〇 to push the engaging component 20 to the front wheel limit. The engagement connection between the position members 24 is released, and the front wheel assembly can be detached, and when assembled, the lower end of the ram gear 30 can be inserted into the wheel base 12 to be engaged with the engagement assembly 20 The assembly of the two components is achieved, and the structure of the engaging component 2 and the front wheel limiting member 24 is simple, and the disassembly and assembly operation of the front wheel assembly is more convenient and quick. The new wheel quick release mechanism is not limited to installation in the front wheel assembly of the stroller, and can be used for installation of similar other wheel components according to actual needs. The above description is only for the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and the equivalent changes made by the scope of the present invention are still within the scope of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the structure of a front wheel assembly of the present invention; 10 M441578 Fig. 2 is a schematic structural view of the front wheel assembly of Fig. 1 after disassembly; Fig. 3 is a bottom view of the wheel base of Fig. 1; Fig. 5 is a cross-sectional enlarged view of the quick release mechanism of the present invention; Fig. 6 is a sectional view showing the locked state of the quick release mechanism of the present invention; and Fig. 7 is a release state of the quick release mechanism of the present invention Cutaway view.
11 M441578 【主要元件符號說明】 11…… •…刖輪 20·..·· ——^合組件 12·..·· •…輪座 21 ···.. •…固定件 121… •…連接部 22•.… .....决拆推钮 122… 控接。P 221… ——^合凸部 123… •…安裝部 222… 推移CTp 124… •…連接孔 223… •…卡合區 125… •…安裝孔 224… •…抵觸部 126… •…容置孔 23·..·· •…復位件 127… •…安裝槽 24…·· •…前輪限位件 13…… •…定向按紅 241… •…基部 131 ... •…上端 242… ——^合部 132… •…底部 243… •…環形凹槽 14…… •…避震組件 244… .···缺口 141… …避震座 30…… •…前輪桿 142 ·.·. …·避震彈簧 31…… •…連接套 15…… …·套管 1211 M441578 [Description of main component symbols] 11...... •...刖轮20·..··——^合合组件12·····•...wheel base 21 ···.. •...fixing piece 121... •... Connection part 22•................Remove push button 122... Control connection. P 221... ——^ convex portion 123... •...mounting portion 222... Shift CTp 124... •...connection hole 223... •...engagement area 125...•...mounting hole 224...•...interference part 126...•...accommodation Hole 23·..··•...Reset 127... •...Installation groove 24...··•...Front wheel limiter 13... •...Directed by red 241... •...base 131 ... •...upper end 242... — - ^合部132... •...Bottom 243... •... Annular groove 14... •...Shocking assembly 244................................................................................................................................................................................................................................................................................................................................................................................................... ·Shock suspension spring 31... •...connection sleeve 15... ... casing 12