CN204055907U - A kind of children trolley - Google Patents
A kind of children trolley Download PDFInfo
- Publication number
- CN204055907U CN204055907U CN201420496116.4U CN201420496116U CN204055907U CN 204055907 U CN204055907 U CN 204055907U CN 201420496116 U CN201420496116 U CN 201420496116U CN 204055907 U CN204055907 U CN 204055907U
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- China
- Prior art keywords
- wheel support
- vehicle frame
- back brace
- children trolley
- sliding part
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- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
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Abstract
The utility model discloses a kind of children trolley, comprise there is expanded position and folding position vehicle frame 1, being arranged on front component 2 bottom described vehicle frame 1, being arranged on wheel assembly 3 bottom described vehicle frame 1, for described vehicle frame 1 being locked in the blocking device of expanded position, described vehicle frame 1 comprises front-wheel support 4, rear wheel support 5, sliding part 7, end cross 8, back brace bridge 9, because the upper end of back brace bridge of the present utility model is connected with front-wheel support by sliding part, thus make that body frame structure for automotive is simple, folding convenient, frame strength are high.
Description
Technical field
the utility model relates to a kind of children trolley.
Background technology
existing folding children's barrow has multiple folding mode, complicated fold mechanism easily makes the Stiffness of vehicle frame, and too much folding parts too increase the productive costs of children trolley, therefore, a kind of structure of current needs is simple, and frame strength is high, the children trolley of folding convenient.
Summary of the invention
it is simple that the purpose of this utility model is to provide a kind of structure, and frame strength is high, the children trolley of folding convenient.
for achieving the above object, the technical solution adopted in the utility model is: a kind of children trolley, comprise the vehicle frame with expanded position and folding position, the front component being arranged on described bottom of frame, be arranged on described bottom of frame wheel assembly, for described vehicle frame being locked in the blocking device of expanded position, described vehicle frame comprises:
front-wheel support, described front-wheel support bottom is connected with described front component, and upper end is fixedly installed handlebar;
rear wheel support, described rear wheel support bottom is connected with described wheel assembly, and top is connected by axis of rotation in the lateral direction with described front-wheel support;
back brace bridge, can slide along the length bearing of trend of described front-wheel support and can be connected on described front-wheel support rotationally by relatively described front-wheel support in the top of described back brace bridge, described back brace bridge bottom rotates with described rear wheel support and is connected;
when described vehicle frame is in expanded position, between described front-wheel support, described rear wheel support, described back brace bridge, form triangular structure; When described vehicle frame is in folding position, described rear wheel support, described back brace bridge are drawn close respectively to described front-wheel support.
preferably, the top of described back brace bridge is connected with sliding part rotationally, described sliding part is located on described front-wheel support along the length bearing of trend of described front-wheel support slidably, and described sliding part is slidably arranged in the position described front-wheel support is positioned at above described rotating shaft.
further preferably, described sliding part is sliding sleeve.
further preferably, described front-wheel support, described rear wheel support are symmetrically set with a pair respectively.
further preferably, described back brace bridge is rear cross assembly, two upper ends of described rear cross assembly are rotationally connected with sliding part described in a pair respectively, the middle part crossover pivot of described rear cross assembly connects, and the bottom of described back brace bridge is connected with the lower rotational of rear wheel support described in a pair respectively.
further preferably, vehicle frame also comprises end cross assembly, and two leading sections of cross assembly of the described end are connected with the lower rotational of front-wheel support described in a pair respectively, and the rear portion of cross assembly, the described end is connected with the lower rotational of pair of rear wheels support respectively.
further preferably, the bottom of described back brace bridge and the rear portion of cross assembly of the described end are connected to the same position of described rear wheel support.
further preferably, the mutual Uncrossed rod member of described back brace bridge, described rod member upper end is rotationally connected described sliding part and bottom is rotationally connected described rear wheel support.
because technique scheme is used, the utility model compared with prior art has following advantages:
because the top of back brace bridge of the present utility model is connected with front-wheel support by sliding part, thus make that body frame structure for automotive is simple, folding convenient, frame strength are high.
Accompanying drawing explanation
accompanying drawing 1 is the utility model expanded position schematic diagram;
accompanying drawing 2 is the utility model folding position schematic diagram;
accompanying drawing 3 is the utility model exploded perspective view;
accompanying drawing 4 is the utility model folding principle schematic diagram;
accompanying drawing 5 is the expanded position functional schematic of embodiment two;
accompanying drawing 6 is the folding process functional schematic of embodiment two;
accompanying drawing 7 is the expanded position functional schematic of embodiment two.
in above accompanying drawing: 1, vehicle frame; 2, front component; 3, wheel assembly; 4, front-wheel support; 5, rear wheel support; 6, rotating shaft; 7, sliding part; 8, end cross; 9, back brace bridge; 10, handlebar.
Detailed description of the invention
below in conjunction with embodiment shown in the drawings, the utility model is further described:
embodiment one: shown in accompanying drawing 1,3, a kind of children trolley, comprise there is expanded position and folding position vehicle frame 1, be arranged on front component 2 bottom vehicle frame 1, be arranged on wheel assembly 3 bottom vehicle frame 1, for vehicle frame 1 being locked in the blocking device of expanded position, vehicle frame 1 comprises:
a pair front-wheel support 4 that left and right is arranged, front-wheel support 4 bottom is connected with front component 2, and upper end is fixedly installed handlebar 10;
the pair of rear wheels support 5 that left and right is arranged, rear wheel support 5 bottom is connected with wheel assembly 3, and top and front-wheel support 4 are rotationally connected by rotating shaft 6 in the lateral direction;
the pair of sliders 7 that left and right is arranged, sliding part 7 is slidably arranged in position front-wheel support 4 is positioned at above rotating shaft 6, and in the present embodiment, sliding part 7 is sliding sleeve;
back brace bridge 9, in the present embodiment, back brace bridge 9 is rear cross assembly, and two upper ends of back brace bridge 9 are rotationally connected with pair of sliders 7 respectively, and the bottom of back brace bridge 9 is connected with the lower rotational of a pair after poppet 5 respectively;
end cross 8, two leading sections of end cross 8 are connected with the lower rotational of a pair front-wheel support 4 respectively, the rear portion of end cross 8 is connected with the lower rotational of pair of rear wheels support 5 respectively, and the rear portion of end cross assembly 8 and the bottom of back brace bridge 9 are connected to the same position of rear wheel support 5.
when vehicle frame 1 is in expanded position, between front-wheel support 4, rear wheel support 5, back brace bridge 9, form triangular structure; When vehicle frame 1 is in folding position, rear wheel support 5, back brace bridge 9 are drawn close respectively to front-wheel support 4.
when children trolley needs folding, blocking device is unlocked, as shown in Figure 4, by sliding part 7 along the upward sliding on front-wheel support 4 of A direction in figure, drive that end cross 8 is drawn close in direction mutually to B in figure, front-wheel support 4 rotates along C direction thus, children trolley is folded to as shown in Figure 2, when children trolley needs to launch, children trolley can be launched along reverse promotion by sliding part 7.
embodiment two: see a kind of children trolley shown in accompanying drawing 5-7, comprise there is expanded position and folding position vehicle frame 1, be arranged on front component 2 bottom vehicle frame 1, be arranged on wheel assembly 3 bottom vehicle frame 1, for vehicle frame 1 being locked in the blocking device of expanded position, vehicle frame 1 comprises:
front-wheel support 4, front-wheel support 4 bottom is connected with front component 2, and upper end is fixedly installed handlebar 10;
rear wheel support 5, rear wheel support 5 bottom is connected with wheel assembly 3, and top and front-wheel support 4 are rotationally connected by rotating shaft 6 in the lateral direction;
sliding part 7, sliding part 7 is slidably arranged in position front-wheel support 4 is positioned at above rotating shaft 6, and in the present embodiment, sliding part 7 is sliding sleeve;
back brace bridge 9, the top of back brace bridge 9 is connected with sliding part 7 rotationally, sliding part 7 is located on front-wheel support 4 along the length bearing of trend of front-wheel support 4 slidably, sliding part 7 is slidably arranged in position front-wheel support 4 is positioned at above rotating shaft 6, and back brace bridge 9 bottom rotates with rear wheel support 5 and is connected;
when vehicle frame 1 is in expanded position, as shown in Figure 5, triangular structure is formed between front-wheel support 4, rear wheel support 5, back brace bridge 9; When vehicle frame 1 needs folding, as shown in fig. 6-7, sliding part 7 is along front-wheel support 4 upward sliding, and rear wheel support 5, back brace bridge 9 are drawn close respectively to front-wheel support 4, complete folding, when children trolley needs to launch, children trolley can be launched along reverse promotion by sliding part 7.
above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (8)
1. a children trolley, comprise there is expanded position and folding position vehicle frame (1), be arranged on described vehicle frame (1) bottom front component (2), be arranged on described vehicle frame (1) bottom wheel assembly (3), for described vehicle frame (1) being locked in the blocking device of expanded position, it is characterized in that, described vehicle frame (1) comprising:
Front-wheel support (4), described front-wheel support (4) bottom is connected with described front component (2), and upper end is fixedly installed handlebar (10);
Rear wheel support (5), described rear wheel support (5) bottom is connected with described wheel assembly (3), and top and described front-wheel support (4) are rotationally connected by rotating shaft (6) in the lateral direction;
Back brace bridge (9), can slide along the length bearing of trend of described front-wheel support (4) and can relatively described front-wheel support (4) be connected on described front-wheel support (4) rotationally in the top of described back brace bridge (9), described back brace bridge (9) bottom rotates with described rear wheel support (5) and is connected;
When described vehicle frame (1) is in expanded position, between described front-wheel support (4), described rear wheel support (5), described back brace bridge (9), form triangular structure; When described vehicle frame (1) is in folding position, described rear wheel support (5), described back brace bridge (9) are drawn close respectively to described front-wheel support (4).
2. a kind of children trolley according to claim 1, it is characterized in that: the top of described back brace bridge (9) is connected with sliding part (7) rotationally, described sliding part (7) is located on described front-wheel support (4) along the length bearing of trend of described front-wheel support (4) slidably, and described sliding part (7) is slidably arranged in the position described front-wheel support (4) being positioned at described rotating shaft (6) top.
3. children trolley according to claim 2, is characterized in that: described sliding part (7) is sliding sleeve.
4. a kind of children trolley according to claim 2, is characterized in that: described front-wheel support (4), described rear wheel support (5) are symmetrically set with a pair respectively.
5. a kind of children trolley according to claim 4, it is characterized in that: described back brace bridge (9) is rear cross assembly, two upper ends of described rear cross assembly are rotationally connected with sliding part described in a pair (7) respectively, the middle part crossover pivot of described rear cross assembly connects, and the bottom of described back brace bridge (9) is connected with the lower rotational of rear wheel support described in a pair (5) respectively.
6. a kind of children trolley according to claim 5, it is characterized in that: vehicle frame (1) also comprises end cross assembly (8), two leading sections of described end cross assembly (8) are connected with the lower rotational of front-wheel support described in a pair (4) respectively, and the rear portion of described end cross assembly (8) is connected with the lower rotational of pair of rear wheels support (5) respectively.
7. a kind of children trolley according to claim 6, is characterized in that: the bottom of described back brace bridge (9) and the rear portion of described end cross assembly (8) are connected to the same position of described rear wheel support (5).
8. a kind of children trolley according to claim 4, is characterized in that: the mutual Uncrossed rod member of described back brace bridge (9), described rod member upper end is rotationally connected described sliding part (7) and bottom is rotationally connected described rear wheel support (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496116.4U CN204055907U (en) | 2014-08-29 | 2014-08-29 | A kind of children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496116.4U CN204055907U (en) | 2014-08-29 | 2014-08-29 | A kind of children trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204055907U true CN204055907U (en) | 2014-12-31 |
Family
ID=52197472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420496116.4U Active CN204055907U (en) | 2014-08-29 | 2014-08-29 | A kind of children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204055907U (en) |
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2014
- 2014-08-29 CN CN201420496116.4U patent/CN204055907U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |