CN101138986A - Children's barrow - Google Patents

Children's barrow Download PDF

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Publication number
CN101138986A
CN101138986A CNA2007101337328A CN200710133732A CN101138986A CN 101138986 A CN101138986 A CN 101138986A CN A2007101337328 A CNA2007101337328 A CN A2007101337328A CN 200710133732 A CN200710133732 A CN 200710133732A CN 101138986 A CN101138986 A CN 101138986A
Authority
CN
China
Prior art keywords
wheel support
lock
lockout
rod
boxed rod
Prior art date
Application number
CNA2007101337328A
Other languages
Chinese (zh)
Other versions
CN100471743C (en
Inventor
宋郑还
Original Assignee
好孩子儿童用品有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 好孩子儿童用品有限公司 filed Critical 好孩子儿童用品有限公司
Priority to CNB2007101337328A priority Critical patent/CN100471743C/en
Publication of CN101138986A publication Critical patent/CN101138986A/en
Application granted granted Critical
Publication of CN100471743C publication Critical patent/CN100471743C/en

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Abstract

The present invention provides a children trammer, a frame of which includes a front wheel bracket, a slip seat that is slip and arranged at the front wheel bracket and lateral brackets which are placed at two sides of the front wheel bracket. The lateral bracket at each side all includes a back wheel bracket, a top part of which is rotationally connected with the front wheel bracket, a handspike, a lower link lever, one end part of which is rotationally connected with the back wheel bracket and another end part is rotationally connected with the slip seat, a third upper link lever, one end part of which is rotationally connected with the handspike and another end part is rotationally connected with the back of the front wheel bracket, a second upper link lever, one end part of which is rotationally connected with the lower part of the handspike and another end part is rotationally connected with the front wheel bracket, a first upper link lever, one end part of which is rotationally connected with the second upper link lever and another end part is rotationally connected with the slip seat, and a locking mechanism. The front wheel bracket, the second upper link lever, the handspike and the third upper link lever form a quadrangle mechanism. Because the trammer can realize self standing after being folded, and the top part of the handspike is still placed at the upside, the trammer is convenient for the operator to take, and the operation is quite convenient.

Description

Children trolley

Technical field

The present invention relates to a kind of children trolley.

Background technology

Children trolley of the prior art, as publication number is CN101032976, be called the Chinese invention patent application of children trolley in open day for 2007-9-12 and name, it comprises the go-cart vehicle frame equally, front-wheel, trailing wheel, the go-cart vehicle frame comprises the side stand that is positioned at both sides, front-wheel support between side stand, side stand comprises rear wheel support, the push-down handle bar, its structure comes down to: the bottom of push-down handle bar rotates with the rearward end of front-wheel support and is connected, be provided with slip cap on the front-wheel support slidably, the upper end of rear wheel support rotates with slip cap and is connected, side stand also comprises boxed rod, lower link, the rearward end of boxed rod rotates with the push-down handle bar and is connected, the leading section of boxed rod rotates with slip cap and is connected, the upper end of lower link rotates with Connection Block and is connected, the bottom of lower link rotates with rear wheel support and is connected, after folding, the front-wheel of leading section that is arranged on described front-wheel support is away from the trailing wheel of the bottom that is arranged on described rear wheel support, front-wheel and trailing wheel all land, can not realize supporting oneself, and described pulling handle rod overturns forward, the upper end of described pulling handle rod is near described front-wheel, the operator is when changing the go-cart vehicle frame between expanded position and folding position, operator's pulling handle rod of taking of need bending over, same, the carrying of operator under folded state also is inconvenience, need bend over to pick up or put down children trolley, operation is inconvenience.

Summary of the invention

The object of the invention provides a kind of children trolley, and the operator operates more convenient when it is changed between expanded position and folding position mutually.

The technical solution used in the present invention is: a kind of children trolley, comprise go-cart vehicle frame, front-wheel, trailing wheel with expanded position and folding position,

Described go-cart vehicle frame comprises front-wheel support, is slidably disposed on slide on the described front-wheel support along the length direction of described front-wheel support, is positioned at the side stand of the both sides of described front-wheel support,

The described side stand of every side all comprises rear wheel support, push rod,

Described front-wheel is arranged on the bottom of described front-wheel support rotationally, and described trailing wheel is arranged on the bottom of described rear wheel support rotationally,

The upper end of described rear wheel support connects mutually rotationally with the approximate mid-section of described front-wheel support or top, and the described side stand of every side also comprises

Lower link, an end of described lower link rotate with described rear wheel support and are connected, and the other end of described lower link rotates with described slide and is connected;

The 3rd boxed rod, an end of described the 3rd boxed rod rotate by second rotating shaft with described push rod and are connected, and the other end of described the 3rd boxed rod rotates by the 3rd rotating shaft with the rear portion of described front-wheel support and is connected;

Second boxed rod, one end of described second boxed rod rotates by the 4th rotating shaft with the bottom of described push rod and is connected, the other end of described second boxed rod rotates by the 5th rotating shaft with described front-wheel support and is connected, described the 4th rotating shaft is positioned at the place ahead of described second rotating shaft, and described the 5th rotating shaft is positioned at the place ahead of described the 3rd rotating shaft;

First boxed rod, an end of described first boxed rod rotate with described second boxed rod and are connected, and the other end of described first boxed rod rotates with described slide and is connected;

Be used for described go-cart vehicle frame is locked in the lockout mechanism of expanded position or folding position;

Described front-wheel support, described second boxed rod, described push rod and described the 3rd boxed rod constitute quadrangular mechanism.

Described lockout mechanism is arranged between described slide and the described front-wheel support, described lockout mechanism has lock-out state and released state, when described lockout mechanism is in the lock state down, described slide and described front-wheel support are provided with permanently, when described lockout mechanism is under the released state, described slide and described front-wheel support are provided with mutually slidably.

Described lockout mechanism comprise an end and described front-wheel support by first rotating shaft mutually rotationally the bonded assembly locking piece, be opened in lock hole on the described slide, be opened in the hole, lock section on the described front-wheel support, has the lock section on another end of described locking piece, described lock section is inserted in the hole, described lock section slidably, when described lockout mechanism is in the lock state down, described lock section is inserted in the described lock hole, when described lockout mechanism is under the released state, described lock section and described lock hole are separated.

Be provided with between the other end of described locking piece and the described front-wheel support and make described lock section stably be inserted in the elastic component in the described lock hole.

Described go-cart vehicle frame also comprises be used to control the control mechanism that described lockout mechanism is changed between lock-out state and released state.

Constitute parallel-crank mechanism between described front-wheel support, described the 3rd boxed rod, described push rod and described second boxed rod.

Described lockout mechanism is arranged between described push rod and described the 3rd boxed rod.

Described lockout mechanism is arranged between described push rod and described second boxed rod.

The present invention compared with prior art, has following advantage: because when folding, the front-wheel that is arranged on the leading section of described front-wheel support is drawn close mutually with the bottom trailing wheel that is arranged on described rear wheel support, described slide is to lower slider, at first boxed rod, under the effect of second boxed rod and the 3rd boxed rod, described push rod moves down, and after folding, when all contacting with ground with described trailing wheel, just can realize on described front-wheel supporting oneself, the upper end of push rod still is positioned at top and is convenient to the operator and takes, the operator operates more convenient when it is changed between expanded position and folding position mutually.

Description of drawings

Accompanying drawing 1 is an expansion front view of the present invention;

Accompanying drawing 2 is a half-lap front view of the present invention;

Accompanying drawing 3 is a folding front view of the present invention;

Accompanying drawing 4 is an open cube display of the present invention;

Accompanying drawing 5 is a half-lap block diagram of the present invention;

Accompanying drawing 6 is a folding block diagram of the present invention;

Accompanying drawing 7 is an expansion right elevation of the present invention;

Accompanying drawing 8 is a half-lap right elevation of the present invention;

Accompanying drawing 9 is a folding right elevation of the present invention;

Accompanying drawing 10 is the A-A direction cutaway view of accompanying drawing 7.

Wherein: 1, front-wheel support; 2, slide; 3, first Connection Block; 4, second Connection Block; 5, rear wheel support; 6, push rod; 7, lower link; 8, first boxed rod; 9, second boxed rod; 10, the 3rd boxed rod; 11, side stand; 12, go-cart vehicle frame; 13, front-wheel; 14, trailing wheel; 15, locking piece; 16, lock section; 17, lock hole; 18, hole, lock section; 19, traction piece; 20, lockout mechanism; 21, first rotating shaft; 22, elastic component; 23, control mechanism; 24, second rotating shaft; 25, the 3rd rotating shaft; 26, the 4th rotating shaft; 27, the 5th rotating shaft.

The specific embodiment

Shown in accompanying drawing 1-accompanying drawing 9, a kind of children trolley comprises go-cart vehicle frame 12, front-wheel 13, trailing wheel 14 with expanded position and folding position,

Described go-cart vehicle frame 12 comprises front-wheel support 1, is slidably disposed on slide 2 on the described front-wheel support 1 along the length direction of described front-wheel support 1, is positioned at the side stand 11 of the both sides of described front-wheel support 1,

The described side stand 11 of every side all comprises rear wheel support 5, push rod 6, and described push rod 6 can be an expansion link, can be according to operator's height regulated at will,

Described front-wheel 13 is arranged on the bottom of described front-wheel support 1 rotationally, and described trailing wheel 14 is arranged on the bottom of described rear wheel support 5 rotationally, and described front-wheel 13 is generally cardan wheel.

The upper end of described rear wheel support 5 connects mutually rotationally with the approximate mid-section or the top of described front-wheel support 1, the approximate mid-section of described front-wheel support 1 or top have first Connection Block 3, the upper end of described rear wheel support 5 rotates with described first Connection Block 3 and is connected, and the described side stand 11 of every side also comprises

Lower link 7, an end of described lower link 7 rotate with described rear wheel support 5 and are connected, and the other end of described lower link 7 rotates with described slide 2 and is connected;

The 3rd boxed rod 10, one end of described the 3rd boxed rod 10 rotates by second rotating shaft 24 with described push rod 6 and is connected, the other end of described the 3rd boxed rod 10 rotates by the 3rd rotating shaft 25 with the rear portion of described front-wheel support 1 and is connected, the rearward end of described front-wheel support 1 is second Connection Block 4, the other end of described the 3rd boxed rod 10 be with second Connection Block 4 of front-wheel support 1 by the 3rd rotating shaft 25 bonded assembly that rotates;

Second boxed rod 9, one end of described second boxed rod 9 rotates by the 4th rotating shaft 26 with the bottom of described push rod 6 and is connected, the other end of described second boxed rod 9 rotates by the 5th rotating shaft 27 with described front-wheel support 1 and is connected, the other end of described second boxed rod 9 is to rotate by the 5th rotating shaft 27 with first Connection Block 3 of described front-wheel support 1 to be connected, when described go-cart vehicle frame 12 is under the expanded position, described the 4th rotating shaft 26 is positioned at the place ahead of described second rotating shaft 24, and described the 5th rotating shaft 27 is positioned at the place ahead of described the 3rd rotating shaft 25;

First boxed rod 8, an end of described first boxed rod 8 rotate with described second boxed rod 9 and are connected, and the other end of described first boxed rod 8 rotates with described slide 2 and is connected;

Be used for described go-cart vehicle frame 12 is locked in the lockout mechanism 20 of expanded position or folding position;

Described front-wheel support 1, described second boxed rod 9, described push rod 6 and described the 3rd boxed rod 10 constitute quadrangular mechanism.

Described lockout mechanism 20 is arranged between described slide 2 and the described front-wheel support 1, described lockout mechanism 20 has lock-out state and released state, when described lockout mechanism 20 is in the lock state down, described slide 2 is provided with permanently with described front-wheel support 1, when described lockout mechanism 20 is under the released state, described slide 2 and described front-wheel support 1 are provided with mutually slidably.

As shown in Figure 10, described lockout mechanism 20 comprises that an end and described front-wheel support 1 are by first rotating shaft 21 bonded assembly locking piece 15 rotationally mutually, be opened in the lock hole 17 on the described slide 2, be opened in the hole, lock section 18 on the described front-wheel support 1, has lock section 16 on another end of described locking piece 15, described lock section 16 is inserted in the hole, described lock section 18 slidably, when described lockout mechanism 20 is in the lock state down, described lock section 16 is inserted in the described lock hole 17, when described lockout mechanism 20 is under the released state, described lock section 16 is separated with described lock hole 17.

Be provided with between the other end of described locking piece 15 and the described front-wheel support 1 and make described lock section 16 stably be inserted in the elastic component 22 in the described lock hole 17.

Described go-cart vehicle frame 1 also comprises be used to control the control mechanism that described lockout mechanism 20 is changed between lock-out state and released state.Described go-cart vehicle frame 1 also can not use control mechanism direct control lockout mechanism that it is changed between lock-out state and released state.As shown in Figure 10, described control mechanism can be traction control mechanism, traction control mechanism generally includes traction piece 19, operating parts etc., the bottom of described traction piece 19 is connected with the other end of locking piece 15, the operator can be by the described operating parts of operation, affect described traction piece 19, thereby control described locking piece 15, described lockout mechanism 20 is changed between lock-out state and released state.

Preferably constitute parallel-crank mechanism between described front-wheel support 1, described the 3rd boxed rod 10, described push rod 6 and described second boxed rod 9.Make that described go-cart vehicle frame 12 is less in volume after folding.

Described lockout mechanism 20 is arranged between described push rod 6 and described the 3rd boxed rod 10.

Described lockout mechanism 20 is arranged between described push rod 6 and described second boxed rod 9.

When folding, under the effect of described lower link 7, described first boxed rod 8, described second boxed rod 9, described the 3rd boxed rod 10, make described relatively respectively front-wheel support 1 folding the drawing close of described push rod 6, the described rear wheel support 5 of both sides, be that children trolley can not only laterally also can fold longitudinal folding, thereby volume after folding is less.

The nouns of locality such as the top that relates to, bottom, front portion, rear portion are under the expanded position at go-cart vehicle frame 12 and define.

Claims (8)

1. a children trolley comprises go-cart vehicle frame (12), front-wheel (13), trailing wheel (14) with expanded position and folding position,
Described go-cart vehicle frame (12) comprises front-wheel support (1), is slidably disposed on slide (2) on the described front-wheel support (1) along the length direction of described front-wheel support (1), is positioned at the side stand (11) of the both sides of described front-wheel support (1),
The described side stand (11) of every side all comprises rear wheel support (5), push rod (6),
Described front-wheel (13) is arranged on the bottom of described front-wheel support (1) rotationally, and described trailing wheel (14) is arranged on the bottom of described rear wheel support (5) rotationally,
It is characterized in that: the upper end of described rear wheel support (5) connects mutually rotationally with the approximate mid-section or the top of described front-wheel support (1), and the described side stand (11) of every side also comprises
Lower link (7), an end of described lower link (7) rotate with described rear wheel support (5) and are connected, and the other end of described lower link (7) rotates with described slide (2) and is connected;
The 3rd boxed rod (10), one end of described the 3rd boxed rod (10) rotates by second rotating shaft (24) with described push rod (6) and is connected, and the other end of described the 3rd boxed rod (10) rotates by the 3rd rotating shaft (25) with the rear portion of described front-wheel support (1) and is connected;
Second boxed rod (9), one end of described second boxed rod (9) rotates by the 4th rotating shaft (26) with the bottom of described push rod (6) and is connected, the other end of described second boxed rod (9) rotates by the 5th rotating shaft (27) with described front-wheel support (1) and is connected, described the 4th rotating shaft (26) is positioned at the place ahead of described second rotating shaft (24), and described the 5th rotating shaft (27) is positioned at the place ahead of described the 3rd rotating shaft (25);
First boxed rod (8), an end of described first boxed rod (8) rotate with described second boxed rod (9) and are connected, and the other end of described first boxed rod (8) rotates with described slide (2) and is connected;
Be used for described go-cart vehicle frame (12) is locked in the lockout mechanism (20) of expanded position or folding position;
Described front-wheel support (1), described second boxed rod (9), described push rod (6) and described the 3rd boxed rod (10) constitute quadrangular mechanism.
2. children trolley according to claim 1, it is characterized in that: described lockout mechanism (20) is arranged between described slide (2) and the described front-wheel support (1), described lockout mechanism (20) has lock-out state and released state, when described lockout mechanism (20) is in the lock state down, described slide (2) is provided with permanently with described front-wheel support (1), when described lockout mechanism (20) is under the released state, described slide (2) and described front-wheel support (1) are provided with mutually slidably.
3. children trolley according to claim 2, it is characterized in that: described lockout mechanism (20) comprises that an end and described front-wheel support (1) are by first rotating shaft (21) bonded assembly locking piece (15) rotationally mutually, be opened in the lock hole (17) on the described slide (2), be opened in the hole, lock section (18) on the described front-wheel support (1), has lock section (16) on another end of described locking piece (15), described lock section (16) is inserted in the hole, described lock section (18) slidably, when described lockout mechanism (20) is in the lock state down, described lock section (16) is inserted in the described lock hole (17), when described lockout mechanism (20) is under the released state, described lock section (16) are separated with described lock hole (17).
4. children trolley according to claim 3 is characterized in that: be provided with between the other end of described locking piece (15) and the described front-wheel support (1) and make described lock section (16) stably be inserted in the elastic component (22) in the described lock hole (17).
5. children trolley according to claim 3 is characterized in that: described go-cart vehicle frame (1) also comprises be used to control the control mechanism that described lockout mechanism (20) is changed between lock-out state and released state.
6. children trolley according to claim 1 is characterized in that: constitute parallel-crank mechanism between described front-wheel support (1), described the 3rd boxed rod (10), described push rod (6) and described second boxed rod (9).
7. children trolley according to claim 1 is characterized in that: described lockout mechanism (20) is arranged between described push rod (6) and described the 3rd boxed rod (10).
8. children trolley according to claim 1 is characterized in that: described lockout mechanism (20) is arranged between described push rod (6) and described second boxed rod (9).
CNB2007101337328A 2007-09-29 2007-09-29 Children's barrow CN100471743C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2007101337328A CN100471743C (en) 2007-09-29 2007-09-29 Children's barrow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2007101337328A CN100471743C (en) 2007-09-29 2007-09-29 Children's barrow

Publications (2)

Publication Number Publication Date
CN101138986A true CN101138986A (en) 2008-03-12
CN100471743C CN100471743C (en) 2009-03-25

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ID=39191135

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2007101337328A CN100471743C (en) 2007-09-29 2007-09-29 Children's barrow

Country Status (1)

Country Link
CN (1) CN100471743C (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101920716A (en) * 2010-05-07 2010-12-22 好孩子儿童用品有限公司 Stroller
CN102556136A (en) * 2011-12-30 2012-07-11 好孩子儿童用品有限公司 Child cart
CN105151105A (en) * 2015-07-07 2015-12-16 欧仕儿童用品(福建)有限公司 Automatic folding structure for baby bicycle wheels
CN105365874A (en) * 2015-11-10 2016-03-02 好孩子儿童用品有限公司 Stroller
CN106882224A (en) * 2017-03-19 2017-06-23 张新 For the multi-functional equipment of double suspensions and device of transporting children
CN106882220A (en) * 2017-03-19 2017-06-23 张新 For the multi-functional equipment and device of transporting children
CN106882222A (en) * 2017-03-19 2017-06-23 张新 For the equipment and device of transporting children
CN106891931A (en) * 2017-03-19 2017-06-27 张新 For the multi-functional equipment of many suspensions and device of transporting children
CN106891963A (en) * 2017-03-19 2017-06-27 张新 For the equipment and device of double suspensions of transporting children
CN106891927A (en) * 2017-03-19 2017-06-27 张新 For the multi-functional equipment and device of transporting children
CN106891932A (en) * 2017-03-19 2017-06-27 张新 For the multi-functional equipment of double suspensions and device of transporting children
CN106891928A (en) * 2017-03-19 2017-06-27 张新 For the multi-functional equipment and device of transporting children
CN106904200A (en) * 2017-03-19 2017-06-30 张新 For the multi-functional equipment of double suspensions and device of transporting children
CN106904203A (en) * 2017-03-19 2017-06-30 张新 For double suspensions of transporting children equipment capable of reversing and device
CN106965841A (en) * 2017-03-19 2017-07-21 张新 The multi-functional equipment of double suspensions and device for transporting children

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101920716A (en) * 2010-05-07 2010-12-22 好孩子儿童用品有限公司 Stroller
CN102556136A (en) * 2011-12-30 2012-07-11 好孩子儿童用品有限公司 Child cart
CN102556136B (en) * 2011-12-30 2014-05-07 好孩子儿童用品有限公司 Child cart
CN105151105A (en) * 2015-07-07 2015-12-16 欧仕儿童用品(福建)有限公司 Automatic folding structure for baby bicycle wheels
CN105151105B (en) * 2015-07-07 2017-10-17 福建欧仕儿童用品股份有限公司 Bassinet wheel auto-folder structure
CN105365874A (en) * 2015-11-10 2016-03-02 好孩子儿童用品有限公司 Stroller
CN105365874B (en) * 2015-11-10 2017-08-08 好孩子儿童用品有限公司 A kind of children trolley
CN106882224A (en) * 2017-03-19 2017-06-23 张新 For the multi-functional equipment of double suspensions and device of transporting children
CN106891931A (en) * 2017-03-19 2017-06-27 张新 For the multi-functional equipment of many suspensions and device of transporting children
CN106882222A (en) * 2017-03-19 2017-06-23 张新 For the equipment and device of transporting children
CN106891927A (en) * 2017-03-19 2017-06-27 张新 For the multi-functional equipment and device of transporting children
CN106891932A (en) * 2017-03-19 2017-06-27 张新 For the multi-functional equipment of double suspensions and device of transporting children
CN106891928A (en) * 2017-03-19 2017-06-27 张新 For the multi-functional equipment and device of transporting children
CN106904200A (en) * 2017-03-19 2017-06-30 张新 For the multi-functional equipment of double suspensions and device of transporting children
CN106904203A (en) * 2017-03-19 2017-06-30 张新 For double suspensions of transporting children equipment capable of reversing and device
CN106965841A (en) * 2017-03-19 2017-07-21 张新 The multi-functional equipment of double suspensions and device for transporting children
CN106882220A (en) * 2017-03-19 2017-06-23 张新 For the multi-functional equipment and device of transporting children
CN106891963A (en) * 2017-03-19 2017-06-27 张新 For the equipment and device of double suspensions of transporting children

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