CN1303800A - Child tricycle - Google Patents

Child tricycle Download PDF

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CN1303800A
CN1303800A CN 00111435 CN00111435A CN1303800A CN 1303800 A CN1303800 A CN 1303800A CN 00111435 CN00111435 CN 00111435 CN 00111435 A CN00111435 A CN 00111435A CN 1303800 A CN1303800 A CN 1303800A
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frame
front fork
wheel
front wheel
handle
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CN1120783C (en
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贺新军
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Good Boy Group Ltd
Goodbaby Child Products Co Ltd
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Goodbaby Group Corp
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Abstract

一种儿童用三轮车,包括前车架、后车架[8]、前轮[10]、两个后轮[7]、车座[4];所述的前车架包括前叉[2]和手把[3],踏脚板[9]通过曲柄[1]连接于所述的前轮[10]的轴部;其特征在于:所述的前轮[10]的前轮轴心线[11]位于所述的前叉[2]上方的前叉转轴[12]的轴心线的后部,由于前轮的设置类似于一个万向轮,因此在后面推动三轮车时,可使任意转动三轮车的前进方向,省略了传动机构。

A tricycle for children, comprising a front frame, a rear frame [8], a front wheel [10], two rear wheels [7], and a seat [4]; the front frame includes a front fork [2] And the handle [3], the tread plate [9] is connected to the shaft portion of the front wheel [10] through the crank [1]; it is characterized in that: the front wheel axis of the front wheel [10] [ 11] Located at the rear of the axis line of the front fork shaft [12] above the front fork [2], since the front wheel is set like a universal wheel, when the tricycle is pushed from the back, it can be rotated arbitrarily. For the forward direction of the tricycle, the transmission mechanism is omitted.

Description

儿童三轮车children's tricycle

本发明涉及一种儿重三轮车。The invention relates to an infant tricycle.

现有技术中，儿童三轮车的结构包括前车架、与所述的前车架可转动连接的后车架、设置于所述的前车架下方的前轮、分别设置于所述的后车架的后部左右两侧的两个后轮、设置于所述的后车架上的车座；所述的前车架包括下方分叉的前叉和设置于上部左、右两侧的手把，所述的手把和所述的前叉刚性地连接为一体，所述的前轮设置于所述的前叉上，踏脚板通过曲柄连接于所述的前轮的轴部；所述的前轮的前轮轴心线位于所述的前叉上方的前叉转轴的轴心线的前部。儿童握住所述的手把时可自由地转动前叉，从而转动前轮的方向，使得儿童三轮车可改变行走方向，但是大人在推动儿童三轮车时不能控制前叉和前轮的方向，也即不能控制儿童三轮车的行走方向。现有技术中，为了大人能控制前叉的左、右移动方向，有一种后车架上的推杆的下端设有传动装置，该传动装置可以扭动、控制前轮叉左、右摆动，进而控制儿童三轮车的行走方向，但是这种结构很复杂。In the prior art, the structure of a children's tricycle includes a front frame, a rear frame rotatably connected to the front frame, a front wheel arranged under the front frame, and a rear wheel respectively arranged on the rear frame. The two rear wheels on the left and right sides of the rear part of the frame, and the vehicle seat arranged on the rear frame; The handle, the handle and the front fork are rigidly connected as a whole, the front wheel is arranged on the front fork, and the pedal is connected to the axle of the front wheel through a crank; The front wheel axis line of the front wheel is located in front of the axis line of the front fork rotating shaft above the front fork. Children can freely rotate the front fork when holding the handle, thereby turning the direction of the front wheels, so that the children's tricycle can change the walking direction, but adults cannot control the direction of the front fork and the front wheels when pushing the children's tricycle, that is, Cannot control the walking direction of children's tricycle. In the prior art, in order for adults to control the left and right movement direction of the front fork, there is a transmission device at the lower end of the push rod on the rear frame, which can twist and control the left and right swing of the front fork. And then control the walking direction of children's tricycle, but this structure is very complicated.

本发明的目的在于提供一种大人可以在后车架的后部控制儿童三轮车行走方向的儿童三轮车。The object of the present invention is to provide a children's tricycle in which an adult can control the walking direction of the children's tricycle at the rear of the rear frame.

本发明的技术方案是：一种儿童三轮车，包括前车架、与所述的前车架可转动连接的后车架、设置于所述的前车架下方的前轮、分别设置于所述的后车架的后部左右两侧的两个后轮、设置于所述的后车架上的车座；所述的前车架包括下方分叉的前叉和设置于上部左、右两侧的手把，所述的前轮设置于所述的前叉上，踏脚板通过曲柄连接于所述的前轮的轴部；所述的前轮的前轮轴心线位于所述的前叉上方的前叉转轴的轴心线的后部，使得所述的前轮轴心线与所述的前叉转轴的轴心线的偏离距离为e，所述的前叉转轴的轴心线即为所述的前车架与所述的后车架的可转动连接轴的轴心线。The technical solution of the present invention is: a children's tricycle, comprising a front frame, a rear frame rotatably connected to the front frame, a front wheel arranged under the front frame, respectively arranged on the The two rear wheels on the left and right sides of the rear part of the rear frame, and the vehicle seat arranged on the rear frame; The handle on the side, the front wheel is arranged on the front fork, and the pedal board is connected to the axle of the front wheel through a crank; the front wheel axis of the front wheel is located at the front The rear part of the axis line of the front fork shaft above the fork, so that the deviation distance between the axis line of the front wheel and the axis line of the front fork shaft is e, and the axis line of the front fork shaft That is, the axis line of the rotatable connection shaft between the front frame and the rear frame.

本发明与现有技术相比具有下列优点：Compared with the prior art, the present invention has the following advantages:

由于前轮的设置类似于一个万向轮，因此在后面推动儿童三轮车时，可使任意转动儿童三轮车的前进方向，省略了传动机构。Since the setting of the front wheel is similar to a universal wheel, when the children's tricycle is pushed behind, the forward direction of the children's tricycle can be rotated arbitrarily, and the transmission mechanism is omitted.

下面结合附图及实施例对本发明作进一步的描述：Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

附图1为本发明的实施例一的结构主视图；Accompanying drawing 1 is the structural front view of Embodiment 1 of the present invention;

附图2为本发明的实施例二的结构主视图；Accompanying drawing 2 is the structure front view of embodiment two of the present invention;

附图3为本发明的实施例三的结构主视图；Accompanying drawing 3 is the structural front view of embodiment three of the present invention;

附图4为本发明的立体结构图；Accompanying drawing 4 is the three-dimensional structural diagram of the present invention;

附图5为本发明的手把与所述的前叉之间的锁定装置的结构剖视图(处于解锁状态时)；Accompanying drawing 5 is the structural sectional view of the locking device between the handle and the front fork of the present invention (when in the unlocked state);

附图6为附图5的A-A处剖视图；Accompanying drawing 6 is the sectional view of A-A place of accompanying drawing 5;

附图7为附图5的B-B处剖视图；Accompanying drawing 7 is the sectional view of B-B place of accompanying drawing 5;

附图8为本发明的手把与所述的前叉之间的锁定装置的结构剖视图(处于锁定状态时)；Accompanying drawing 8 is the structural sectional view of the locking device between the handle and the front fork of the present invention (when in the locked state);

附图9为附图8的C-C处剖视图；Accompanying drawing 9 is the sectional view of C-C place of accompanying drawing 8;

附图10为本发明的手把与所述的前叉之间的另一种锁定装置的结构剖视图；Accompanying drawing 10 is the structural cross-sectional view of another kind of locking device between handlebar and described front fork of the present invention;

[1]、曲柄；[2]、前叉；[3]、手把；[4]、车座；[5]、后推杆；[6]、锁定卡块；[7]、后轮；[8]、后车架；[9]、踏脚板；[10]、前轮；[11]、前轮轴心线；[12]、前叉转轴；[13]、前轮架；[14]、锁紧套；[15]、后车架连接套；[16]、锁紧孔；[e]、偏离距离；[1], crank; [2], front fork; [3], handle; [4], seat; [5], rear push rod; [6], locking block; [7], rear wheel; [8], rear frame; [9], pedal; [10], front wheel; [11], front wheel axis; [12], front fork shaft; [13], front wheel frame; [14] ], locking sleeve; [15], rear frame connecting sleeve; [16], locking hole; [e], deviation distance;

实施例：参见附图1至附图4，一种儿童三轮车，包括前车架、与所述的前车架可转动连接的后车架[8]、设置于所述的前车架下方的前轮[10]、分别设置于所述的后车架[8]的后部左右两侧的两个后轮[7]、设置于所述的后车架[8]上的车座[4]；所述的前车架包括下方分叉的前叉[2]和设置于上部左、右两侧的手把[3]，所述的前轮[10]设置于所述的前叉[2]上，踏脚板[9]通过曲柄[1]连接于所述的前轮[10]的轴部；所述的前轮[10]的前轮轴心线[11]位于所述的前叉[2]上方的前叉转轴[12]的轴心线的后部，使得所述的前轮轴心线[11]与所述的前叉转轴[12]的轴心线的偏离距离为附图中所标记的e，所述的前叉转轴[12]的轴心线即为所述的前车架与所述的后车架[8]的可转动连接轴的轴心线。Embodiment: See accompanying drawing 1 to accompanying drawing 4, a kind of tricycle for children, comprises front vehicle frame, the rear vehicle frame [8] that is rotatably connected with described front vehicle frame, is arranged on the described front vehicle frame below The front wheels [10], the two rear wheels [7] respectively arranged on the left and right sides of the rear part of the rear frame [8], the vehicle seat [4] arranged on the rear frame [8] ]; the front frame includes a front fork [2] forked below and a handle [3] arranged on the left and right sides of the upper part, and the front wheel [10] is arranged on the front fork [ 2], the tread plate [9] is connected to the axle of the front wheel [10] through the crank [1]; the front wheel axis [11] of the front wheel [10] is located at the front The rear part of the axis line of the front fork shaft [12] above the fork [2], so that the deviation distance between the front wheel axis line [11] and the axis line of the front fork shaft [12] is Marked e among the accompanying drawings, the axis line of the front fork shaft [12] is the axis line of the rotatable connection shaft between the front frame and the rear frame [8].

附图1为前叉[2]与手把[3]之间没有设置锁定装置的结构主视图；此时大人从后面控制儿童三轮车的行走方向时需要克服小孩手握手把[3]的扭力。Accompanying drawing 1 is the front view of the structure that no locking device is provided between the front fork [2] and the handle [3]; at this moment, an adult needs to overcome the torsion of the child's hand holding the handle [3] when controlling the walking direction of the children's tricycle from behind.

附图2为前叉[2]与手把[3]之间设有锁定装置的结构主视图，前叉[2]的前叉转轴[12]位于所述的前叉[2]的后部，但是前轮轴心线[11]仍位于所述的前叉转轴[12]的后部。Accompanying drawing 2 is the front view of the structure with a locking device between the front fork [2] and the handle [3]. The front fork shaft [12] of the front fork [2] is located at the rear of the front fork [2] , but the front wheel axis [11] is still positioned at the rear portion of the front fork rotating shaft [12].

所述的手把[3]与所述的前叉[2]之间设有锁定装置；所述的锁定装置有两种工作状态，第一工作状态是锁紧状态，此时所述的手把[3]与所述的前叉[2]之间通过所述的锁定装置刚性地连为一体，所述的手把[3]和所述的前叉[2]组成的前车架共同相对于所述的后车架[8]转动；此时小孩手握手把[3]时即可自己控制前轮[10]的方向，也可由后面的大人控制前轮[10]的转动方向。第二工作状态是解锁状态，此时所述的前叉[2]相对于所述的手把[3]及所述的后车架[8]都可以转动，其转动轴心线是所述的前叉转轴[12]的轴心线，即此时前叉[2]可以相对于手把[3]转动，前叉[2]也可以相对于后车架[8]转动，所述的手把[3]无法控制前叉[2]的转动，只有后面的大人可以转动儿童三轮车的行进方向。A locking device is provided between the handle [3] and the front fork [2]; the locking device has two working states, the first working state is a locked state, and the handle [3] and the front fork [2] are rigidly connected as a whole through the locking device, and the front frame composed of the handle [3] and the front fork [2] is in common Rotate with respect to described rear vehicle frame [8]; Now child can control the direction of front-wheel [10] when holding handlebar [3] now, also can control the rotation direction of front-wheel [10] by the adult of the back. The second working state is an unlocked state. At this time, the front fork [2] can rotate relative to the handle [3] and the rear frame [8], and its axis of rotation is the The axis line of the front fork shaft [12], that is, the front fork [2] can rotate relative to the handle [3] at this time, and the front fork [2] can also rotate relative to the rear frame [8]. Handlebar [3] can't control the rotation of front fork [2], only the adult at the back can turn the advancing direction of children's tricycle.

附图5、附图6、附图7中，所述的锁定装置呈解锁状态，所述的后车架连接套[15]与所述的后车架[8]焊接在一起，所述的锁紧套[14]与后车架连接套[15]不能相对转动(参见附图6)，所述的锁紧套[14]与所述的手把[3]也不能相对转动(参见附图7)，即手把[3]不能相对于后车架[8]转动，但是前叉[2]上的前叉转轴[12]却可以相对于后车架[8]以及手把[3]自由地转动(参见附图7)，此时前轮[10]起万向轮的作用，锁定装置处于解锁状态。In accompanying drawing 5, accompanying drawing 6, accompanying drawing 7, described locking device is in unlocked state, and described rear frame connecting sleeve [15] is welded together with described rear frame [8], and described The locking sleeve [14] and the rear frame connecting sleeve [15] cannot rotate relatively (see accompanying drawing 6), and the locking sleeve [14] and the handle [3] cannot relatively rotate (see accompanying drawing 6). Fig. 7), namely handle [3] can not be rotated relative to rear vehicle frame [8], but the front fork rotating shaft [12] on the front fork [2] but can be relative to rear vehicle frame [8] and handle [3] ] rotate freely (referring to accompanying drawing 7), now front-wheel [10] plays the effect of universal wheel, and locking device is in unlocked state.

附图8和附图9中，所述的后车架连接套[15]与所述的后车架[8]仍焊接在一起，但是前叉转轴[12]相对于所述的手把[3]却不能转动(参见附图9)，前叉[2]及手把[3]组成的前车架以所述的手把转轴为转动轴相对于所述的后车架[8]转动，此时锁定装置处于锁紧状态。In accompanying drawing 8 and accompanying drawing 9, described rear vehicle frame connection sleeve [15] is still welded together with described rear vehicle frame [8], but front fork rotating shaft [12] is relative to described handle [ 3] but can not rotate (referring to accompanying drawing 9), the front vehicle frame that front fork [2] and handle [3] are formed rotates relative to described rear vehicle frame [8] with described handle rotating shaft as rotation axis , the locking device is in the locked state at this time.

附图10是一种很简单的锁定装置，所述的前叉转轴[12]及手把[3]的转轴上均设有锁紧孔[16]，当两个孔内插入销子内时，前叉转轴[12]及手把[3]被连接为一体不能相对转动，锁定装置处于锁紧状态；当拔出销子时，所述的锁定装置处于解锁状态，手把[3]可以相对于前叉[2]自由转动，也可相对于所述的后车架[8]自由转动。Accompanying drawing 10 is a kind of very simple locking device, and described front fork rotating shaft [12] and the rotating shaft of handle [3] all are provided with locking hole [16], when two holes are inserted in the pin , the front fork shaft [12] and the handle [3] are connected as a whole and cannot be rotated relative to each other, and the locking device is in a locked state; when the pin is pulled out, the locking device is in an unlocked state, and the handle [3] can be Rotate freely with respect to front fork [2], also can freely rotate with respect to described rear vehicle frame [8].

所述的后车架[8]上设有向上竖立的后推杆[5]，便于大人在儿童三轮车的后部推动儿童三轮车行走和控制转向。Described rear vehicle frame [8] is provided with upright rear push rod [5], is convenient for adults to promote children's tricycle walking and control steering at the rear portion of children's tricycle.

参见附图1和附图2，所述的前叉转轴[12]垂直于用于支撑所述的前轮[10]及后轮[7]的地面，便于前轮[10]的转向，但是也可以如附图3所示，前叉转轴[12]与地面呈倾斜状。Referring to accompanying drawing 1 and accompanying drawing 2, described front fork rotating shaft [12] is perpendicular to the ground for supporting described front wheel [10] and rear wheel [7], is convenient to the steering of front wheel [10], but Also can as shown in accompanying drawing 3, front fork rotating shaft [12] and ground are inclined.

所述的前叉[2]的下端部向后延伸形成前轮架[13]，所述的前轮[10]设置于所述的前轮架[13]的后部。The lower end of the front fork [2] extends backwards to form a front wheel frame [13], and the front wheel [10] is arranged at the rear of the front wheel frame [13].

Claims (5)

1、一种儿童三轮车，包括前车架、与所述的前车架可转动连接的后车架[8]、设置于所述的前车架下方的前轮[10]、分别设置于所述的后车架[8]的后部左右两侧的两个后轮[7]、设置于所述的后车架[8]上的车座[4]；所述的前车架包括下方分叉的前叉[2]和设置于其上部左、右两侧的手把[3]，所述的前轮[10]设置于所述的前叉[2]上，踏脚板[9]通过曲柄[1]连接于所述的前轮[10]的轴部；其特征在于：所述的前轮[10]的前轮轴心线[11]位于所述的前叉[2]上方的前叉转轴[12]的轴心线的后部，使得所述的前轮轴心线[11]与所述的前叉转轴[12]的轴心线的偏离距离为[e]。1. A children's tricycle, comprising a front frame, a rear frame [8] rotatably connected to the front frame, a front wheel [10] arranged below the front frame, and a front wheel [10] arranged on the front frame respectively. Two rear wheels [7] on the left and right sides of the rear part of the rear frame [8], and the vehicle seat [4] arranged on the rear frame [8]; the front frame includes the following The bifurcated front fork [2] and the handle [3] arranged on the left and right sides of the upper part, the front wheel [10] is arranged on the front fork [2], and the pedal [9] Connected to the axle of the front wheel [10] through the crank [1]; it is characterized in that: the front wheel axis [11] of the front wheel [10] is located above the front fork [2] The rear portion of the axis line of the front fork shaft [12], so that the deviation distance between the front wheel axis line [11] and the axis line of the front fork shaft [12] is [e]. 2、根据权利要求1所述的儿童三轮车，其特征在于：所述的手把[3]与所述的前叉[2]之间设有锁定装置；所述的锁定装置有两种工作状态，第一工作状态是锁紧状态，此时所述的手把[3]与所述的前叉[2]之间通过所述的锁定装置连接成为一体，所述的手把[3]和所述的前叉[2]组成的前车架相对于所述的后车架[8]转动，所述的前车架的转动轴心线为所述的前叉转轴[12]的轴心线；第二工作状态是解锁状态，此时所述的前叉[2]相对于所述的手把[3]及所述的后车架[8]转动，所述的前叉[2]的转动轴心线是所述的前叉转轴[12]的轴心线。2. The children's tricycle according to claim 1, characterized in that: a locking device is provided between the handle [3] and the front fork [2]; the locking device has two working states , the first working state is a locked state. At this time, the handle [3] and the front fork [2] are connected into one body through the locking device, and the handle [3] and The front frame composed of the front fork [2] rotates relative to the rear frame [8], and the rotation axis of the front frame is the axis of the front fork shaft [12] line; the second working state is the unlocked state, at this time, the front fork [2] rotates relative to the handle [3] and the rear frame [8], and the front fork [2] The axis of rotation is the axis of the front fork rotating shaft [12]. 3、根据权利要求1所述的儿童三轮车，其特征在于：所述的后车架[8]上设有向上竖立的后推杆[5]。3. The children's tricycle according to claim 1, characterized in that: said rear frame [8] is provided with an upwardly erected rear push rod [5]. 4、根据权利要求1所述的儿童三轮车，其特征在于：所述的前叉转轴[12]垂直于用于支撑所述的前轮[10]及后轮[7]的地面。4. The children's tricycle according to claim 1, characterized in that: said front fork shaft [12] is perpendicular to the ground for supporting said front wheel [10] and rear wheel [7]. 5、根据权利要求1所述的儿童三轮车，其特征在于：所述的前叉[2]的下端部向后延伸形成前轮架[13]，所述的前轮[10]设置于所述的前轮架[13]的后部。5. The children's tricycle according to claim 1, characterized in that: the lower end of the front fork [2] extends backward to form a front wheel frame [13], and the front wheel [10] is set on the the rear part of the front wheel frame[13].
CN 00111435 2000-01-10 2000-01-10 Child tricycle Expired - Lifetime CN1120783C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 00111435 CN1120783C (en) 2000-01-10 2000-01-10 Child tricycle

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Application Number Priority Date Filing Date Title
CN 00111435 CN1120783C (en) 2000-01-10 2000-01-10 Child tricycle

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CN1303800A true CN1303800A (en) 2001-07-18
CN1120783C CN1120783C (en) 2003-09-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9150273B2 (en) 2011-08-12 2015-10-06 Smart Trike Mnf Pte Ltd Dual steerable vehicle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9150273B2 (en) 2011-08-12 2015-10-06 Smart Trike Mnf Pte Ltd Dual steerable vehicle
US9162727B2 (en) 2011-08-12 2015-10-20 Smart Trike Mnf Pte Ltd. Tricycle vehicle having a swivel wheel and a cart
US9371109B2 (en) 2011-08-12 2016-06-21 Yoram Baron Vehicle having a swivel wheel
US9610999B2 (en) 2011-08-12 2017-04-04 Smart Trike Mnf Pte Ltd Dual steerable vehicle
US10479432B2 (en) 2011-08-12 2019-11-19 Smart Trike Mnf Pte Ltd Vehicle having a swivel wheel
US10647375B2 (en) 2011-08-12 2020-05-12 Smart Trike Mnf Pte Ltd Dual steerable vehicle

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