CN201214440Y

CN201214440Y - two-way folding bike

Info

Publication number: CN201214440Y
Application number: CNU2008200361777U
Authority: CN
Inventors: 刘峰; 张炳泉
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2008-05-15
Filing date: 2008-05-15
Publication date: 2009-04-01
Anticipated expiration: 2018-05-15

Abstract

The utility model relates to a two-directional folding cart; the frame of the cart comprises a first front wheel support, a second front wheel support with the lower part connected with the lower part of the first front wheel support in a rotating way, a first push rod and a second push rod with the lower part connected with the upper part of the first front wheel support and the upper part of the second front wheel support in the rotating way, a rear wheel support which is formed by the connection of a first rear wheel support and a second rear wheel support in a cross rotation way, a connecting base connected with the first rear wheel support and the second rear wheel support in a rotating way, a first chassis and a second chassis with the rear end connected with the connecting base in a rotating way, and a locking device; the upper part of the first push rod and the upper part of the second push rod are arranged in a rotating way; the upper end of the first rear wheel support and the lower end of the first push rod are arranged in a rotating way; the upper end of the second rear wheel support and the second push rod are arranged in a rotating way; the front end of the first chassis and the first front wheel support are arranged in a rotating way; the front end of the second chassis and the second front wheel support are arranged in a rotating way; quite few bars of the cart frame are needed, so the cost is low.

Description

Bidirectional folding vehicle

Technical field

The present invention relates to a kind of children trolley, especially bi-directional folded children trolley.

Background technology

Bidirectional folding vehicle of the prior art comprises being used for the go-cart vehicle frame changed between open mode and folded state; Be separately positioned on first front component and second front component of the left and right sides of the following front portion of described go-cart vehicle frame; Be separately positioned on first wheel assembly and second wheel assembly of the left and right sides at the following rear portion of described go-cart vehicle frame.Described go-cart vehicle frame comprises first push rod, second push rod, first rear wheel support that the bottom of upper end and described first push rod is rotationally connected, second rear wheel support that the bottom of upper end and described second push rod is rotationally connected, first front-wheel support that the bottom of upper end and described first push rod is rotationally connected, second front-wheel support that the bottom of upper end and described second push rod is rotationally connected, be arranged at folding cross frame between described first rear wheel support and described second rear wheel support, two rod members are right-angled crossing and cross support after infall rotates bonded assembly, be arranged at the first connecting rod between described first front-wheel support and described first rear wheel support rotationally, be arranged at the second connecting rod between described second front-wheel support and described second rear wheel support rotationally, two rod members are right-angled crossing and cross support at the bottom of infall rotates bonded assembly, described back cross sets up and places first rear wheel support, second rear wheel support, first push rod, between second push rod, cross of the described end sets up and places described first front-wheel support, second front-wheel support, first rear wheel support, between second rear wheel support.The rod member of go-cart vehicle frame is more, and cost is higher.

Summary of the invention

The object of the invention provides a kind of bidirectional folding vehicle, and its go-cart body frame structure for automotive is simple, and cost is lower.

The technical solution used in the present invention is: a kind of bidirectional folding vehicle, comprise go-cart vehicle frame with open mode and folded state, and the go-cart vehicle frame of this bidirectional folding vehicle comprises

First front-wheel support, the bottom of described first front-wheel support is provided with first front component;

Second front-wheel support, the bottom of described second front-wheel support is provided with second front component, and described go-cart vehicle frame is when open mode is transformed into folded state, and described first front-wheel support and described second front-wheel support are all drawn close to the other side;

First push rod, the bottom of described first push rod rotate with the top of described first front-wheel support and are connected;

Second push rod, the bottom of described second push rod rotates with the top of described second front-wheel support and is connected, the top of the top of described first push rod and described second push rod is provided with rotatedly, described go-cart vehicle frame is when open mode is transformed into folded state, and described first push rod and described second push rod are all drawn close to the other side;

Rear wheel support, described rear wheel support is intersected by first rear wheel support and second rear wheel support and rotates by primary shaft at infall and is connected to form, the bottom of described first rear wheel support is provided with second wheel assembly, the bottom of described second rear wheel support is provided with first wheel assembly, the upper end of described first rear wheel support rotates with the bottom of described first push rod by first rotary joint and is connected, described first rotary joint makes can rotate on two crossing in-planes between the bottom of the upper end of described first rear wheel support and described first push rod at least, the upper end of described second rear wheel support rotates with described second push rod by second rotary joint and is connected, and described second rotary joint makes can rotate on two crossing in-planes between the bottom of the upper end of described second rear wheel support and described second push rod at least;

Connection Block, described Connection Block also rotate and are connected with described first rear wheel support, described second rear wheel support respectively by described primary shaft;

First underframe, the rearward end of described first underframe rotates with described Connection Block and is connected, the leading section of described first underframe rotates with described first front-wheel support by the 3rd rotary joint and is connected, and described the 3rd rotary joint makes can rotate on two crossing in-planes between the leading section of the bottom of described first front-wheel support and described first underframe at least;

Second underframe, the rearward end of described second underframe rotates with described Connection Block and is connected, the leading section of described second underframe rotates with described second front-wheel support by described the 4th rotary joint and is connected, and described the 4th rotary joint makes can rotate on two crossing in-planes between the leading section of the bottom of described second front-wheel support and described second underframe at least;

First connecting rod, an end of described first connecting rod is connected by second phase pivot with the bottom of described first front-wheel support;

Second connecting rod, an end of described second connecting rod is connected by the third axle phase pivot with the bottom of described second front-wheel support;

Pipe link, the both ends of described pipe link are connected with the other end phase pivot of the other end of described first connecting rod, described second connecting rod respectively by the 4th and the 5th;

Blocking device, described blocking device make described go-cart vehicle frame have the trend that stably is in open mode, and every lockout mechanism that the go-cart vehicle frame can be locked in expanded position can both use.When folding, earlier with the blocking device release, the top of the first push rod top and second push rod is all fallen forward, the bottom of the bottom of first push rod and second push rod drives the upper end of first rear wheel support respectively and the upper end of second rear wheel support is upwards moved, thereby the top of the rear wheel support of winning is drawn close mutually with the top of second rear wheel support, and first underframe rotates relative to Connection Block with second underframe, first underframe is drawn close mutually with second underframe and is drawn close with first front-wheel support and second front-wheel support, first front-wheel support is drawn close mutually with second front-wheel support, first connecting rod is folding with second connecting rod relative first front-wheel support of difference and second front-wheel support simultaneously, and makes pipe link protrude downwards.

The upper end of described first push rod is an end of bonded assembly push rod handle rotationally, and the other end of described push rod handle rotates with the upper end of described second push rod and is connected.

When described go-cart vehicle frame is under the open mode, described second, third axle, the 4th and described the 5th plane that is all constituted perpendicular to first front-wheel support, first connecting rod, pipe link, second connecting rod and second front-wheel support.

Described Connection Block is provided with first locating part and second locating part, and when described go-cart vehicle frame is under the open mode, described first underframe is against on described first locating part, and described second underframe is against on described second locating part.

Be provided with lockout mechanism between described first rear wheel support and described second rear wheel support.

The present invention compared with prior art has following advantage:

Between described first rear wheel support and described second rear wheel support, need not to use cross frame and go-cart vehicle frame also to save back cross support and end cross support, thereby go-cart vehicle frame rod member is less, reduced cost, after folding, first front component, second front component and described pipe link land simultaneously, thereby are able to support oneself behind the go-cart vehicle frame folding.

Description of drawings

Accompanying drawing 1 is the block diagram of opening of the present invention;

Accompanying drawing 2 is a folding front view of the present invention;

Accompanying drawing 3 is a folding block diagram of the present invention.

Wherein: 1, go-cart vehicle frame; 2, first front component; 3, second front component; 4, first wheel assembly; 5, second wheel assembly; 6, first front-wheel support; 7, second front-wheel support; 8, first rear wheel support; 9, second rear wheel support; 10, first underframe; 11, second underframe; 12, first push rod; 13, second push rod; 14, first rotary joint; 15, second rotary joint; 16, second; 17, third axle; 18, push rod handle; 19, first connecting rod; 20, second connecting rod; 21, pipe link; 23, Connection Block; 24, rear wheel support; 25, primary shaft; 26, the 4th; 27, the 5th; 29, first locating part; 30, second locating part.

The specific embodiment

Referring to each accompanying drawing, a kind of bidirectional folding vehicle comprises

Be used for the go-cart vehicle frame 1 between open mode and folded state, changed; Be arranged on the cloth cover on the described go-cart vehicle frame 1, cloth is enclosed within does not all have demonstration in each accompanying drawing, is separately positioned on first front component 2 and second front component 3 of the left and right sides of the following front portion of described go-cart vehicle frame 1; Be separately positioned on first wheel assembly 4 and second wheel assembly 5 of the left and right sides at the following rear portion of described go-cart vehicle frame 1.

Described go-cart vehicle frame 1 comprises

First front-wheel support 6, described first front component 2 is arranged at the bottom of described first front-wheel support 6;

Second front-wheel support 7, described go-cart vehicle frame 1 is when open mode is transformed into folded state, described first front-wheel support 6 is all drawn close to the other side with described second front-wheel support 7, and described second front component 3 is arranged at the bottom of described second front-wheel support 7;

First push rod 12, the bottom of described first push rod 12 rotate with the top of described first front-wheel support 6 and are connected;

Second push rod 13, the bottom of described second push rod 13 rotates with the top of described second front-wheel support 7 and is connected, shown in each accompanying drawing, the upper end of described first push rod 12 rotationally the bonded assembly push rod an end of 18, described push rod rotates the other end of 18 and is connected with the upper end of described second push rod 13, described go-cart vehicle frame 1 is when open mode is transformed into folded state, and described first push rod 12 is all drawn close to the other side with described second push rod 13;

Rear wheel support 24, shown in each accompanying drawing, described rear wheel support 24 is intersected by first rear wheel support 8 and second rear wheel support 9 and rotates by primary shaft 25 at infall and is connected to form, the upper end of described first rear wheel support 8 rotates with the bottom of described first push rod 12 by first rotary joint 14 and is connected, described first rotary joint 14 makes can rotate on two crossing in-planes between the bottom of the upper end of described first rear wheel support 8 and described first push rod 12 at least, the upper end of described second rear wheel support 9 rotates with described second push rod 13 by second rotary joint 15 and is connected, described second rotary joint 15 makes can rotate on two crossing in-planes between the bottom of the upper end of described second rear wheel support 9 and described second push rod 13 at least, described first wheel assembly 4 is arranged at the bottom of described second rear wheel support 9, and described second wheel assembly 5 is arranged at the bottom of described first rear wheel support 8;

Connection Block 23, described Connection Block 23 also rotate and are connected with described first rear wheel support 8, described second rear wheel support 9 respectively by described primary shaft 25;

First underframe 10, the rearward end of described first underframe 10 rotates with described Connection Block 23 by rotating shaft and is connected, the leading section of described first underframe 10 rotates with described first front-wheel support 6 by the 3rd rotary joint and is connected, and described the 3rd rotary joint makes can rotate on two crossing in-planes between the leading section of the bottom of described first front-wheel support 6 and described first underframe 10 at least;

Second underframe 11, the rearward end of described second underframe 11 rotates with described Connection Block 23 by rotating shaft and is connected, the leading section of described second underframe 11 rotates with described second front-wheel support 7 by described the 4th rotary joint and is connected, and described the 4th rotary joint makes can rotate on two crossing in-planes between the leading section of the bottom of described second front-wheel support 7 and described second underframe 11 at least;

First connecting rod 19, an end of described first connecting rod 19 is connected by second 16 phase pivot with the bottom of described first front-wheel support 6;

Second connecting rod 20, an end of described second connecting rod 20 is connected by third axle 17 phase pivots with the bottom of described second front-wheel support 7;

Pipe link 21, the both ends of described pipe link 21 are connected with the other end of described first connecting rod 19, the other end phase pivot of described second connecting rod 20 respectively by the 4th 26 and the 5th 27;

Blocking device, described blocking device makes described go-cart vehicle frame 1 have the trend that stably is in open mode, this blocking device can be to have locked groove on described first front-wheel support 6, second front-wheel support 7, on first push rod 12, second push rod 13, be provided with lock pin respectively slidably, when blocking device locked, described lock pin was inserted in the corresponding described locked groove.

When described go-cart vehicle frame 1 is under the open mode, described second 16, third axle 17, the 4th spool 26 and described the 5th 27 plane that is all constituted perpendicular to first front-wheel support 6, first connecting rod 19, pipe link 21, second connecting rod 20 and second front-wheel support 7.

As shown in Figure 1, described Connection Block 23 is provided with first locating part 29 and second locating part 30, when described go-cart vehicle frame 1 is under the open mode, described first underframe 10 is against on described first locating part 29, and described second underframe 11 is against on described second locating part 30.

Shown in accompanying drawing 3, accompanying drawing 4, be provided with first elastic component 22 between described first rear wheel support 8 and described second rear wheel support 9, described first elastic component 22 makes described go-cart vehicle frame 1 have the trend that is tending towards entering folded state.

Be provided with lockout mechanism between described first rear wheel support and described second rear wheel support, this lockout mechanism is used to make win rear wheel support and second rear wheel support rigidity under open mode better.

Described lockout mechanism can be to comprise first spline that is opened on described first rear wheel support 8, be opened in second spline on described second rear wheel support 9, the spline that all is provided with slidably mutually with described first rear wheel support 8 and described second rear wheel support 9, when described go-cart vehicle frame 1 is under the open mode, described spline is inserted in respectively in described first spline and described second spline, when described go-cart vehicle frame is under the folded state, described spline at least with described first spline, one in two grooves of described second spline is separated.

Leading section described in the present embodiment, rearward end, upper end and bottom etc. all are that to be in open mode at described go-cart vehicle frame 1 undefined.

Claims

1. A bidirectional folding cart, comprising a cart frame (1) with an open state and a folded state, characterized in that: the cart frame (1) of the bidirectional folding cart includes

A first front wheel bracket (6), the lower part of the first front wheel bracket (6) is provided with a first front wheel assembly (2);

The second front wheel bracket (7), the second front wheel assembly (3) is provided at the bottom of the second front wheel bracket (7), and the cart frame (1) is converted from an open state to a folded state , the first front wheel support (6) and the second front wheel support (7) are all moving closer to each other;

The first push rod (12), the bottom of the first push rod (12) is rotatably connected with the top of the first front wheel bracket (6);

The second push rod (13), the bottom of the second push rod (13) is rotatably connected with the top of the second front wheel bracket (7), and the top of the first push rod (12) Rotately arranged with the upper part of the second push rod (13), when the cart frame (1) is converted from the open state to the folded state, the first push rod (12) and the The second push rod (13) of each is all drawn closer to the other side;

Rear wheel support (24), described rear wheel support (24) is crossed by first rear wheel support (8) and second rear wheel support (9) and rotates by first shaft (25) phase at intersection Formed by connection, the lower part of the first rear wheel bracket (8) is provided with the second rear wheel assembly (5), and the lower part of the second rear wheel bracket (9) is provided with the first rear wheel assembly (4 ), the upper end of the first rear wheel support (8) is rotationally connected with the lower end of the first push rod (12) through the first pivot joint (14), and the first pivot joint ( 14) Make the upper end of the first rear wheel bracket (8) and the lower end of the first push rod (12) rotate at least in two intersecting plane directions, and the second The upper end of the rear wheel support (9) is rotatably connected with the second push rod (13) through a second swivel joint (15), and the second swivel joint (15) makes the second rear wheel The upper end of the bracket (9) and the lower end of the second push rod (13) can rotate at least in two intersecting plane directions;

Connecting seat (23), described connecting seat (23) is also respectively connected with described first rear wheel support (8), described second rear wheel support (9) through described first shaft (25) Phase rotation connection;

The first underframe (10), the rear end of the first underframe (10) is rotatably connected to the connecting seat (23), and the front end of the first underframe (10) passes through the first The three rotating joints are rotationally connected with the first front wheel bracket (6), and the third rotating joint makes the lower end of the first front wheel bracket (6) and the first chassis ( 10) The front ends can be rotated in at least two intersecting plane directions;

The second underframe (11), the rear end of the second underframe (11) is rotatably connected to the connecting base (23), and the front end of the second underframe (11) passes through the The fourth pivot joint is rotationally connected with the second front wheel bracket (7), and the fourth pivot joint makes the lower end of the second front wheel bracket (7) and the second front wheel bracket (7) The front ends of the chassis (11) can be rotated in at least two intersecting plane directions;

a first link (19), one end of the first link (19) is pivotally connected to the lower end of the first front wheel bracket (6) via a second shaft (16);

a second link (20), one end of the second link (20) is pivotally connected to the lower end of the second front wheel bracket (7) via a third shaft (17);

A connecting rod (21), the two ends of the connecting rod (21) are respectively connected with the other end of the first connecting rod (19) and the The other end of the second connecting rod (20) is pivotally connected;

A locking device, the locking device makes the cart frame (1) have a tendency to be in an open state stably.

2. The two-way folding vehicle according to claim 1, characterized in that: the upper end of the first push rod (12) is rotatably connected to one end of the push rod handle (18), and the push rod The other end of (18) is rotatably connected with the upper end of the second push rod (13).

3. The two-way folding cart according to claim 1, characterized in that: when the cart frame (1) is in the open state, the second shaft (16), the third shaft (17), The fourth axis (26) and the fifth axis (27) are all perpendicular to the first front wheel support (6), the first connecting rod (19), connecting rod (21), the second connecting rod (20) and The plane formed by the second front wheel bracket (7).

4. The two-way folding bicycle according to claim 1, characterized in that: the connecting seat (23) is provided with a first limiting member (29) and a second limiting member (30), when the said connecting seat (23) When the trolley frame (1) is in an open state, the first underframe (10) abuts against the first stopper (29), and the second underframe (11) abuts against the On the second limiter (30) mentioned above.

5. The two-way folding bicycle according to claim 1, characterized in that a locking mechanism is provided between the first rear wheel bracket (8) and the second rear wheel bracket (9).