CN203996371U - A kind of children trolley of bi-directional foldable - Google Patents
A kind of children trolley of bi-directional foldable Download PDFInfo
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- CN203996371U CN203996371U CN201420422022.2U CN201420422022U CN203996371U CN 203996371 U CN203996371 U CN 203996371U CN 201420422022 U CN201420422022 U CN 201420422022U CN 203996371 U CN203996371 U CN 203996371U
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- wheel support
- sliding part
- rear wheel
- fork
- cross bar
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Abstract
The utility model relates to a kind of children trolley of bi-directional foldable, comprise the trolley rack with deployed condition and folded state, front component and wheel assembly, trolley rack comprises the side stand that is positioned at both sides, side stand comprises that front portion, the end is provided with the front-wheel support of front component, bottom is provided with the rear wheel support of wheel assembly, push rod, leading section and the bottom of the push rod fork being connected that rotates, rearward end and the rear wheel support of fork are rotationally connected, the rearward end of front-wheel support rotates and is connected with rear wheel support, described front-wheel support is provided with first sliding part that can slide along its bearing of trend, push rod is provided with second sliding part that can slide along its bearing of trend, the second sliding part rotates and is connected with the upper end of rear wheel support, fork rotates and is connected and can slides along front-wheel support with the first sliding part.The utility model is simple in structure, easy to operate, and volume after folding is little, compact and can support oneself.
Description
Technical field
the utility model relates to a kind of children trolley of bi-directional foldable.
Background technology
say from point of theory merely, can be bi-directional folded in order to realize go-cart, only need two side stands being set to can folding and cross support is set between two side stands, but convenient in order to reach folding operation simultaneously in reality, folding volume is little, the objects such as rod member is simplified, and vehicle frame is stable good are very difficult.The Chinese patent ZL200820199669.8 being proposed by the applicant discloses a kind of children trolley of bi-directional foldable, its side stand comprise handspike that front foot lever, bottom be rotationally connected with the upper end of front foot lever, upper end and the upper end of front foot lever rotate the rear foot lever that is connected, along the bearing of trend of front foot lever be slidably arranged in the first sliding part on front foot lever, both ends respectively with the bottom of handspike and the first sliding part fork being connected that rotates; This go-cart vehicle frame also comprises the front cross support that the first connecting rod that is hinged by middle part and second connecting rod form, wherein the two ends of first connecting rod, second connecting rod respectively be positioned at the first sliding part of heteropleural and the bottom of front foot lever and be rotationally connected; In addition, go-cart also comprises the lockout mechanism for trolley rack being locked in to deployed condition.Although it is less that after this children trolley is folding, go-cart volume is compared previous go-cart, rod member is various, and complexity is set, and folding operation is not too convenient, after folding, is not able to support oneself.
Summary of the invention
technical problem to be solved in the utility model is to overcome the deficiencies in the prior art to provide a kind of children trolley of bi-directional foldable, this go-cart to arrange simply, easy to operate, and volume after folding is little, compact, can support oneself.
for solving above technical matters, the utility model adopts following technical scheme:
a kind of children trolley of bi-directional foldable, comprise the trolley rack with deployed condition and folded state, front component and wheel assembly, trolley rack comprises the side stand that is positioned at both sides, side stand comprises that front portion, the end is provided with the front-wheel support of front component, bottom is provided with the rear wheel support of wheel assembly, push rod, leading section and the bottom of the push rod fork being connected that rotates, rearward end and the rear wheel support of fork are rotationally connected, the rearward end of front-wheel support rotates and is connected with rear wheel support, described front-wheel support is provided with first sliding part that can slide along its bearing of trend, push rod is provided with second sliding part that can slide along its bearing of trend, the second sliding part rotates and is connected with the upper end of rear wheel support, fork rotates and is connected and can slides along front-wheel support with the first sliding part.
according to a concrete aspect of the present utility model: front-wheel support is rotated and is connected by the first pivot with rear wheel support, the leading section of fork is rotated and is connected by the second pivot with the bottom of push rod, the rear portion of fork is rotated and is connected by the 3rd pivot with the first sliding part, and the second sliding part is rotated and is connected by the 4th pivot with the upper end of rear wheel support.Preferably, go-cart is in the time of deployed condition, and the point of connection of fork and push rod is higher than the point of connection of fork and the first sliding part; The point of connection of the second sliding part and rear wheel support is higher than the point of connection of front-wheel support and rear wheel support.Preferably, the first pivot, the second pivot, the 3rd pivot, the 4th pivot are all parallel, and extend along the Width of trolley rack.
preferably, the side stand of both sides is symmetrical arranged.
particularly, the first sliding part and the second sliding part are sliding sleeve, and correspondence is set on front-wheel support and push rod respectively.
preferably, when folding, the first sliding part is along front-wheel support down sliding forward, and the second sliding part slides backward along push rod
further, described trolley rack also comprises and is arranged on the cross support between side stand described in two, this cross support is mutually rotationally connected and forms at middle part by the first bar and the second bar, the rearward end of the first bar, the second bar rotates and is connected with the bottom of the rear wheel support of both sides respectively, and the leading section of the first bar, the second bar rotates and is connected with the front portion of the fork of both sides respectively.Particularly, the first bar, the second bar are rotated and are connected with fork and rear wheel support by Wushu axle respectively.The axis direction of Wushu axle is perpendicular to cross support place plane.
further, described trolley rack also comprises the rear support assembly being arranged between the rear wheel support of both sides.
particularly, rear support assembly comprises and is positioned at middle part after go-cart, the vertical connecting rod vertically extending, be successively set on the upper connecting base on vertical connecting rod from top to bottom, middle Connection Block and lower connecting base, the first cross bar and the second cross bar that inner end is rotationally connected with relative two sides of upper connecting base respectively, the 3rd cross bar and the 4th cross bar that inner end is rotationally connected with relative two sides of lower connecting base respectively, first connecting rod and second connecting rod that upper end is rotationally connected with relative two sides of middle Connection Block respectively, the first cross bar, the second cross bar, the 3rd cross bar and the 4th cross bar are all horizontally disposed with, and their outer end all rotates and is connected with the rear wheel support of homonymy, the bottom of first connecting rod and second connecting rod rotates and is connected with the 3rd cross bar and the 4th cross bar respectively.Preferably, on the top of vertical connecting rod or upper connecting base, be provided with handle.On the bottom of vertical connecting rod or lower connecting base, be provided with stretcher.Rear support assembly the stability that has further strengthened on the one hand vehicle frame is set, on the other hand, rear support assembly has played the locking action to two side stands, prevents vehicle frame folding.
due to the enforcement of above technical scheme, the utility model compared with prior art tool has the following advantages:
the utility model go-cart bi-directional foldable, volume after folding is little, compact and can support oneself; In addition, it is less that the utility model go-cart relates to rod member, simple in structure, when folding, interferes without rod member, and folding operation is convenient.
Brief description of the drawings
fig. 1 is the schematic side view (deployed condition) according to children trolley of the present utility model;
fig. 2 is the schematic rear view (deployed condition) according to children trolley of the present utility model;
fig. 3 is the schematic perspective view (deployed condition) according to children trolley of the present utility model;
fig. 4 is the schematic side view (folded state) according to children trolley of the present utility model;
fig. 5 looks schematic diagram (folded state) according to the master of children trolley of the present utility model;
wherein: 1, front component; 2, wheel assembly; 3, side stand; 30, front-wheel support; 31, rear wheel support; 32, push rod; 33, fork; 4, cross support; 40, the first bar; 41, the second bar; 5, the first sliding part; 6, the second sliding part; 7, rear support assembly; 70, vertical connecting rod; 71, upper connecting base; 72, middle Connection Block; 74, the first cross bar; 75, the second cross bar; 76, the 3rd cross bar; 77, the 4th cross bar; 78, first connecting rod; 79, second connecting rod; 8, handle; 9, stretcher.
Detailed description of the invention
as shown in Fig. 1 to 5, this routine children trolley comprises trolley rack, front component 1 and the wheel assembly 2 with deployed condition and folded state.Trolley rack comprises at both sides and symmetrically arranged side stand 3, is arranged on cross support 4, rear support assembly 5 between two side stands 3.Side stand 3 comprises front-wheel support 30, rear wheel support 31, push rod 32, fork (or seat pocket bar) 33, on front-wheel support 30 and push rod 32, be provided with slidably respectively the first sliding part 5 and the second sliding part 6, the first sliding part 5 and the second sliding part 6 are sliding sleeve, are set in respectively on front-wheel support 30 and push rod 32.The rearward end of front-wheel support 30 is rotated and is connected with rear wheel support 31 by the first pivot a, upper (front) end of fork 33 is rotated and is connected with the bottom of push rod 32 by the second pivot b, the rear portion of fork 33 is rotated and is connected with the first sliding part 5 by the 3rd pivot c, and the rearward end of fork 33 rotates and is connected with rear wheel support 31.The second sliding part 6 is rotated and is connected by the 4th pivot d with the upper end of rear wheel support 31.Cross support 4 is mutually rotationally connected and forms at middle part by the first bar 40 and the second bar 41.The end, front and back of the first bar 40, the second bar 41 is rotated and is connected by Wushu axle e respectively with fork 33 and rear wheel support 31.Go-cart is in the time of deployed condition, and the point of connection of fork 33 and push rod 32 is higher than the point of connection of fork 33 and the first sliding part 5; The point of connection of the second sliding part 6 and rear wheel support 31 is the point of connection with rear wheel support 31 higher than front-wheel support 30.The 3rd pivot c is positioned at the front of the first pivot a.The first pivot a, the second pivot b, the 3rd pivot c, the 4th pivot d are all parallel, and extend along the Width of trolley rack.The axis direction of Wushu axle e is perpendicular to cross support 4 place planes.
rear support assembly 7 comprises and is positioned at middle part after go-cart, the vertical connecting rod 70 vertically extending, be successively set on the upper connecting base 71 on vertical connecting rod 70 from top to bottom, middle Connection Block 72 and lower connecting base, the first cross bar 74 and the second cross bar 75 that inner end is rotationally connected with relative two sides of upper connecting base 71 respectively, the 3rd cross bar 76 and the 4th cross bar 77 that inner end is rotationally connected with relative two sides of lower connecting base respectively, first connecting rod 78 and second connecting rod 79 that upper end is rotationally connected with relative two sides of middle Connection Block 72 respectively, the first cross bar 74, the second cross bar 75, the 3rd cross bar 76 and the 4th cross bar 77 are all horizontally disposed with, and their outer end all rotates and is connected with the rear wheel support 31 of homonymy, the bottom of first connecting rod 78 and second connecting rod 79 rotates and is connected with the 3rd cross bar 76 and the 4th cross bar 77 respectively.Be provided with handle 8 on the top of vertical connecting rod 70.On lower connecting base, be provided with stretcher 9.Between above-mentioned each cross bar and connecting rod and Connection Block, be all rotationally connected by pivot.Rear support assembly 7 the stability that has further strengthened on the one hand vehicle frame is set, on the other hand, rear support assembly has played the locking action to two side stands, prevents vehicle frame folding.
in the time will folding, upwards lift handle 8, make the inside closure of cross support 4 longitudinally elongated, band movable pendulum 33 bars are to lower swing; Fork 33 swings and makes the first sliding part 5 along front-wheel support 30 to front slide, thereby drive push rod 32 to rotate forward, the first sliding part 5 slides through forward fork 33 makes rear wheel support 31 rotate and draw close and slided in the rear of the second sliding part 6 along push rod 32 to push rod 32 to front-wheel support 30 around the first pivot a; Push rod 32 is in the proal while along with the 4th pivot d rotates and draws close to front-wheel support 30, and final car load is folding supports oneself, as shown in Figures 4 and 5.
in the time will opening, the step pedal 9 that tramps with one's feet when upwards lifting push rod 32, can open.
above the utility model is described in detail; its object is to allow the personage who is familiar with this art can understand content of the present utility model and be implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to Spirit Essence of the present utility model change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (10)
1. the children trolley of a bi-directional foldable, comprise the trolley rack with deployed condition and folded state, front component and wheel assembly, described trolley rack comprises the side stand that is positioned at both sides, described side stand comprises that front portion, the end is provided with the front-wheel support of described front component, bottom is provided with the rear wheel support of described wheel assembly, push rod, leading section and the bottom of the described push rod fork being connected that rotates, the rearward end of described fork and described rear wheel support are rotationally connected, the rearward end of described front-wheel support rotates and is connected with described rear wheel support, it is characterized in that: described front-wheel support is provided with first sliding part that can slide along its bearing of trend, described push rod is provided with second sliding part that can slide along its bearing of trend, described the second sliding part rotates and is connected with the upper end of described rear wheel support, described fork rotates and is connected and can slides along front-wheel support with the first described sliding part.
2. the children trolley of bi-directional foldable according to claim 1, it is characterized in that: described front-wheel support is rotated and is connected by the first pivot with described rear wheel support, the leading section of described fork is rotated and is connected by the second pivot with the bottom of described push rod, the rear portion of described fork is rotated and is connected by the 3rd pivot with described the first sliding part, and described the second sliding part is rotated and is connected by the 4th pivot with the upper end of described rear wheel support.
3. the children trolley of bi-directional foldable according to claim 2, is characterized in that: go-cart is in the time of deployed condition, and described fork and the point of connection of described push rod are higher than the point of connection of described fork and described the first sliding part; The second described sliding part and the point of connection of described rear wheel support are higher than the point of connection of described front-wheel support and described rear wheel support.
4. according to the children trolley of the bi-directional foldable described in claim 2 or 3, it is characterized in that: described the first pivot, the second pivot, the 3rd pivot, the 4th pivot are all parallel, and extend along the Width of described trolley rack.
5. the children trolley of bi-directional foldable according to claim 1, is characterized in that: described the first sliding part and the second sliding part are sliding sleeve, and correspondence is set on described front-wheel support and described push rod respectively.
6. the children trolley of bi-directional foldable according to claim 1, is characterized in that: when folding, described the first sliding part is along described front-wheel support down sliding forward, and described the second sliding part slides backward along described push rod.
7. the children trolley of bi-directional foldable according to claim 1, it is characterized in that: described trolley rack also comprises and is arranged on the cross support between side stand described in two, described cross support is mutually rotationally connected and forms at middle part by the first bar and the second bar, the rearward end of described the first bar, the second bar rotates and is connected with the bottom of the rear wheel support of both sides respectively, and the leading section of the first bar, the second bar rotates and is connected with the front portion of the fork of both sides respectively.
8. according to the children trolley of the bi-directional foldable described in claim 1 or 7, it is characterized in that: described trolley rack also comprises the rear support assembly being arranged between the rear wheel support of both sides.
9. the children trolley of bi-directional foldable according to claim 8, it is characterized in that: described rear support assembly comprises and is positioned at middle part after go-cart, the vertical connecting rod vertically extending, be successively set on the upper connecting base on described vertical connecting rod from top to bottom, middle Connection Block and lower connecting base, the first cross bar and the second cross bar that inner end is rotationally connected with relative two sides of described upper connecting base respectively, the 3rd cross bar and the 4th cross bar that inner end is rotationally connected with relative two sides of described lower connecting base respectively, first connecting rod and second connecting rod that upper end is rotationally connected with relative two sides of described middle Connection Block respectively, the first described cross bar, the second cross bar, the 3rd cross bar and the 4th cross bar are all horizontally disposed with, and their outer end all rotates and is connected with the described rear wheel support of homonymy, described first connecting rod and the bottom of second connecting rod rotate and are connected with described the 3rd cross bar and the 4th cross bar respectively.
10. the children trolley of bi-directional foldable according to claim 9, is characterized in that: top or the upper connecting base of described vertical connecting rod are provided with handle, and bottom or the lower connecting base of described vertical connecting rod are provided with stretcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420422022.2U CN203996371U (en) | 2014-07-29 | 2014-07-29 | A kind of children trolley of bi-directional foldable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420422022.2U CN203996371U (en) | 2014-07-29 | 2014-07-29 | A kind of children trolley of bi-directional foldable |
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| Publication Number | Publication Date |
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| CN203996371U true CN203996371U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420422022.2U Active CN203996371U (en) | 2014-07-29 | 2014-07-29 | A kind of children trolley of bi-directional foldable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859348A (en) * | 2021-09-17 | 2021-12-31 | 好孩子儿童用品有限公司 | Children's vehicle |
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2014
- 2014-07-29 CN CN201420422022.2U patent/CN203996371U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859348A (en) * | 2021-09-17 | 2021-12-31 | 好孩子儿童用品有限公司 | Children's vehicle |
| CN113859348B (en) * | 2021-09-17 | 2023-01-31 | 好孩子儿童用品有限公司 | Children's vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |