CN203739935U - Foldable stroller - Google Patents
Foldable stroller Download PDFInfo
- Publication number
- CN203739935U CN203739935U CN201320884286.5U CN201320884286U CN203739935U CN 203739935 U CN203739935 U CN 203739935U CN 201320884286 U CN201320884286 U CN 201320884286U CN 203739935 U CN203739935 U CN 203739935U
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- Prior art keywords
- wheel support
- rod
- rear wheel
- strut bar
- latch hook
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- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000001276 controlling effect Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 208000018747 cerebellar ataxia with neuropathy and bilateral vestibular areflexia syndrome Diseases 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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Abstract
A foldable stroller comprises a foldable stroller which comprises a stroller frame provided with an unfolding position and a folding position, front wheels, rear wheels and a sitting canvass mechanism. The stroller frame comprises a push rod frame, front wheel supports, rear wheel supports, supporting rods, connection rods and locking mechanisms, wherein the upper portions of the front wheel supports are connected with the push rod frame, the front wheels are arranged at the lower portions of the front wheel supports, the upper portions of the rear wheel supports are in rotating connection with the front wheel supports, the rear wheels are arranged at the lower portions of the rear wheel supports, one end of each of the supporting rods is in rotating connection with the lower portion of the corresponding front wheel support, one end of each of the connection rod is in rotating connection with the corresponding rear wheel support, and the other end of each of the connection rod is in rotating connection with the corresponding supporting rod. When the stroller frame is at the unfolding position, the supporting rods are connected with the rear wheel supports through a first locking assembly. The supporting rod, the front wheel supports and the rear wheel supports form a triangular structure. When the stroller frame is at the folding position, the supporting rods are connected with the rear wheel supports through a second locking assembly, and the supporting rods, the front wheel supports, the rear wheel supports and the connection rods are drawn together. The foldable stroller is convenient to fold and can be folded through single-hand operation.
Description
Technical field
the utility model relates to a kind of folding children's barrow.
Background technology
in prior art, children trolley generally comprises has the vehicle frame of expanded position and folding position, the front-wheel that is arranged at front portion at the bottom of vehicle frame, the trailing wheel that is arranged at rear portion at the bottom of vehicle frame, the lockout mechanism that is arranged at the Zuo Dou mechanism on vehicle frame and vehicle frame is locked in to expanded position and folding position.The vehicle frame of existing children trolley is of a great variety, and the rod member quantity of vehicle frame is different, the annexation between each rod member, connection location difference, thus folding principle and folding mode are different.
Summary of the invention
for the problems referred to above, the purpose of this utility model is to provide a kind of folding children's barrow, its folding convenient, and one-handed performance is collapsible.
for solving the problems of the technologies described above, the utility model adopts following technical scheme:
a folding children's barrow, comprises vehicle frame, front-wheel, trailing wheel and the Zuo Dou mechanism with expanded position and folding position, and described vehicle frame comprises:
push-rod frame;
front-wheel support, its top is connected in described push-rod frame, and described front-wheel is installed on the bottom of front-wheel support;
rear wheel support, its top is rotationally connected with described front-wheel support, and described trailing wheel is installed on the bottom of rear wheel support;
strut bar, one end is rotationally connected with front-wheel support bottom;
connecting rod, its one end is rotationally connected with rear wheel support, the other end is rotationally connected with strut bar;
lockout mechanism, it comprises the first locked component and the second locked component that is respectively used to described vehicle frame to be locked in expanded position and folding position, when vehicle frame is during in expanded position, described strut bar is connected with rear wheel support by the first locked component, described the second locked component is in released state, described strut bar, front-wheel support, rear wheel support basic comprising triangular structure, when vehicle frame is during in folding position, described strut bar is connected with rear wheel support by the second locked component, described the first locked component is in released state, described strut bar, front-wheel support, rear wheel support, connecting rod is drawn close mutually.
preferably, described the first locked component comprises and is fixedly installed on first lock pin on rear wheel support top and is arranged at slidably the first latch hook on strut bar along strut bar length direction, described the second locked component comprises and is fixedly installed on the second lock pin of rear wheel support and is arranged at slidably the second latch hook on strut bar along strut bar length direction, described the second lock pin is positioned at the below of the first lock pin, described the first latch hook self-supporting bar is to downward-extension, and the second latch hook self-supporting bar extends upward.
more preferably, described lockout mechanism also comprises the handle rod sliding for controlling the first latch hook and the second latch hook, and the end of described handle rod is fixedly connected on the first latch hook and the second latch hook.
further, described lockout mechanism also comprises for by the second lock mechanism of handle rod locking or release.
further, described second lock mechanism comprises securing rod, is arranged at the lockplate on described securing rod rotationally, and the two ends of described securing rod are fixedly connected with strut bar respectively, has the projection for stopping that handle rod slides on described lockplate.
more preferably, described the first latch hook has opening towards the fore shaft of front-wheel support, and described the second latch hook has opening towards the fore shaft of front-wheel support.
preferably, described push-rod frame is slidably inserted in front-wheel support.
more preferably, the bottom of described push-rod frame is movably set with the first bullet pin, push-rod frame top arranges a unlock button moving for controlling the first lock pin, the top of described front-wheel support has first lockhole matching with the first bullet pin, when vehicle frame is during in expanded position, described the first bullet pin is inserted in the first lockhole.
preferably, described Zuo Dou mechanism comprises sliding and is arranged at seat pocket bar on front-wheel support and for regulating the regulating mechanism of sitting pocket bar height.
more preferably, described regulating mechanism comprises the second bullet pin being movably arranged on seat pocket bar, the adjusting button moving for controlling the second bullet pin, described front-wheel support is gone up spaced apart a plurality of the second lockholes that match with the second bullet pin that are provided with along its length, when vehicle frame is during in expanded position, described the second bullet pin is inserted in one of them second lockhole.
the utility model adopts above structure, tool has the following advantages: by strut bar and connecting rod, respectively front-wheel support and rear wheel support are rotationally connected, the tractive strut bar that makes progress when folding can fold front-wheel support, rear wheel support, strut bar, connecting rod, folding convenient, and one hand can operate; Lockout mechanism is carried out to twice locking, and safety in utilization is better; Sit pocket bar and be movably set on front-wheel support, sit pocket Height Adjustable; When folding push-rod frame slidably to take in front-wheel support in, folding after the little and folding convenient of car load volume.
Accompanying drawing explanation
fig. 1 is the block diagram of vehicle frame of the present utility model when expanded position;
fig. 2 is the partial enlarged drawing at A place in Fig. 1;
fig. 3 is the lateral plan of vehicle frame of the present utility model when expanded position;
fig. 4 be the utility model at vehicle frame the block diagram in folding process;
fig. 5 be the utility model at vehicle frame the lateral plan in folding process;
fig. 6 block diagram during in folding position that is the utility model at vehicle frame;
fig. 7 is the partial enlarged drawing at B place in Fig. 3;
fig. 8 lateral plan during in folding position that is the utility model at vehicle frame;
fig. 9 is the block diagram of the utility model Zuo pocket mechanism when second gear height;
figure 10 is the block diagram of the utility model Zuo pocket mechanism when fourth gear height.
wherein, 10, vehicle frame; 1, push-rod frame; 11, unlock button; 2, front-wheel support; 3, rear wheel support; 4, strut bar; 5, connecting rod; 6, lockout mechanism; 61, the first latch hook; 62, the first lock pin; 63, the second latch hook; 64, the second lock pin; 7, handle rod; 8, second lock mechanism; 81, securing rod; 82, lockplate; 821, projection;
20, front-wheel;
30, trailing wheel;
40, Zuo Dou mechanism; 41, sit pocket bar; 42, the second lockhole; 43, regulate button.
The specific embodiment
below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be those skilled in the art will recognize that, protection domain of the present utility model is made to more explicit defining.
shown in Fig. 1, a kind of folding children's barrow, comprise there is the vehicle frame 10 of expanded position and folding position, two front-wheels 20, two trailing wheels 30 and Zuo Dou mechanisms 40, described vehicle frame 10 comprises:
push-rod frame 1, it is inverted U-shaped that push-rod frame 1 is roughly;
front-wheel support 2, it is two ends that the top of two and each front-wheel support 2 is connected to described push-rod frame 1, described front-wheel 20 is installed on respectively the bottom of front-wheel support 2;
rear wheel support 3, it is the top that the top of two and each rear wheel support 3 is rotationally connected with respectively a front-wheel support 2, described trailing wheel 30 is installed on respectively the bottom of rear wheel support 3;
strut bar 4, it is that one end portion of two and each strut bar 4 is rotationally connected with respectively front-wheel support 2 bottoms;
connecting rod 5, its approximate mid-section position, other end that is one end of two and each connecting rod 5 is rotationally connected with rear wheel support 3 is rotationally connected with between two ends of strut bar 4;
lockout mechanism 6, it comprises two the first locked components and two the second locked components that are respectively used to described vehicle frame 10 to be locked in expanded position and folding position, in conjunction with Fig. 1, shown in 3, when vehicle frame 10 is during in expanded position, described strut bar 4 is connected with rear wheel support 3 by the first locked component, described the second locked component is in released state, described strut bar 4, front-wheel support 2, triangle of rear wheel support 3 basic comprising, in conjunction with Fig. 6, shown in 8, when vehicle frame 10 is during in folding position, described strut bar 4 is connected with rear wheel support 3 by the second locked component, described the first locked component is in released state, described strut bar 4, front-wheel support 2, rear wheel support 3, connecting rod 5 is drawn close mutually.
in conjunction with Fig. 1, shown in 2, described the first locked component comprises and is fixedly installed on first lock pin 62 on rear wheel support 3 tops and is arranged at slidably the first latch hook 61 on strut bar 4 along strut bar 4 length directions, described the second locked component comprises and is fixedly installed on the second lock pin 64 of rear wheel support 3 and is arranged at slidably the second latch hook 63 on strut bar 4 along strut bar 4 length directions, described the second lock pin 64 is positioned at the below of the first lock pin 62, described the first latch hook 61 self-supporting bars 4 are to downward-extension, the second latch hook 63 self-supporting bars 4 extend upward, described the first latch hook 61 has opening towards the fore shaft of front-wheel support 2, described the second latch hook 63 has opening towards the fore shaft of front-wheel support 2.
in conjunction with Fig. 6, shown in 7, described lockout mechanism 6 also comprises the handle rod 7 sliding for controlling the first latch hook 61 and the second latch hook 63, be used for the second lock mechanism 8 of handle rod 7 lockings or release, two ends of described handle rod 7 are fixedly connected on the first latch hook 61 and the second latch hook 63 on a strut bar 4 respectively, described second lock mechanism 8 comprises securing rod 81, be arranged at rotationally the lockplate 82 on described securing rod 81, the two ends of described securing rod 81 are fixedly connected with the other end of a strut bar 4 respectively, on described lockplate 82, there is the projection 821 for stopping that handle rod 7 slides, described protruding 821 self-locking plates 82 extend upward.
shown in Fig. 4,5, described push-rod frame 1 is slidably inserted in front-wheel support 2, described front-wheel support 2 has the inner chamber of hollow, when vehicle frame 10 is folding, push-rod frame 1 down sliding is contained in this cavity, the bottom of described push-rod frame 1 is movably set with the first bullet pin, push-rod frame 1 top arranges a unlock button 11 moving for controlling the first lock pin 62, the top of described front-wheel support 2 has first lockhole matching with the first bullet pin, when vehicle frame 10 is during in expanded position, described the first bullet pin is inserted in the first lockhole.
shown in Fig. 1,2, described Zuo Dou mechanism 40 comprises sliding and is arranged at seat pocket bar 41 on front-wheel support 2 and for regulating the regulating mechanism of sitting pocket bar 41 height.Described regulating mechanism comprises the second bullet pin being movably arranged on seat pocket bar 41, the adjusting button 43 moving for controlling the second bullet pin, described front-wheel support 2 is gone up spaced apart four the second lockholes 42 that match with the second bullet pin that are provided with along its length, corresponding to four the second lockholes, Zuo Dou mechanism 40 has successively fourth gear height under upper, when vehicle frame 10 is during in expanded position, described the second bullet pin is inserted in one of them second lockhole 42, and Zuo Dou mechanism 40 is positioned at first grade of height.
shown in Fig. 9, when the second lock pin 64 is inserted in second the second lockhole 42 from top to bottom, Zuo Dou mechanism 40 is positioned at second gear height; Shown in Figure 10, when the second lock pin 64 is inserted in nethermost the second lockhole 42, Zuo Dou mechanism 40 is positioned at fourth speed height.
working process of the present utility model is as follows:
when vehicle frame 10 is folding, press and regulate button Jiang Zuo pocket mechanism 40 to be adjusted to extreme lower position, press unlock button 11 push-rod frame 1 is pushed into push-rod frame 1 latched position downwards, press lockplate 82 by handle rod 7 releases, tractive handle rod 7 makes the first latch hook 61 depart from the first lock pins 62 and carries securing rod 81 on backward backward, strut bar 4, front-wheel support 2, rear wheel support 3, connecting rod 5 are drawn close mutually, until the second latch hook 63 is while arriving the second lock pin 64 place, the second latch hook 63 is stuck on the second lock pin 64, vehicle frame 10 is locked under folding position.
above-described embodiment is only explanation technical conceive of the present utility model and feature; it is a kind of preferred embodiment; its object is that person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformations of doing according to Spirit Essence of the present utility model or modification, within all should being encompassed in protection domain of the present utility model.
Claims (10)
1. a folding children's barrow, comprises vehicle frame, front-wheel, trailing wheel and the Zuo Dou mechanism with expanded position and folding position, it is characterized in that: described vehicle frame comprises
Push-rod frame;
Front-wheel support, its top is connected in described push-rod frame, and described front-wheel is installed on the bottom of front-wheel support;
Rear wheel support, its top is rotationally connected with described front-wheel support, and described trailing wheel is installed on the bottom of rear wheel support;
Strut bar, one end is rotationally connected with front-wheel support bottom;
Connecting rod, its one end is rotationally connected with rear wheel support, the other end is rotationally connected with strut bar;
Lockout mechanism, it comprises the first locked component and the second locked component that is respectively used to described vehicle frame to be locked in expanded position and folding position, when vehicle frame is during in expanded position, described strut bar is connected with rear wheel support by the first locked component, described the second locked component is in released state, described strut bar, front-wheel support, rear wheel support basic comprising triangular structure, when vehicle frame is during in folding position, described strut bar is connected with rear wheel support by the second locked component, described the first locked component is in released state, described strut bar, front-wheel support, rear wheel support, connecting rod is drawn close mutually.
2. folding children's barrow according to claim 1, it is characterized in that: described the first locked component comprises and is fixedly installed on first lock pin on rear wheel support top and is arranged at slidably the first latch hook on strut bar along strut bar length direction, described the second locked component comprises and is fixedly installed on the second lock pin of rear wheel support and is arranged at slidably the second latch hook on strut bar along strut bar length direction, described the second lock pin is positioned at the below of the first lock pin, described the first latch hook self-supporting bar is to downward-extension, and the second latch hook self-supporting bar extends upward.
3. folding children's barrow according to claim 2, is characterized in that: described lockout mechanism also comprises the handle rod sliding for controlling the first latch hook and the second latch hook, and the end of described handle rod is fixedly connected on the first latch hook and the second latch hook.
4. folding children's barrow according to claim 3, is characterized in that: described lockout mechanism also comprises for by the second lock mechanism of handle rod locking or release.
5. folding children's barrow according to claim 4, it is characterized in that: described second lock mechanism comprises securing rod, is arranged at the lockplate on described securing rod rotationally, the two ends of described securing rod are fixedly connected with strut bar respectively, have the projection for stopping that handle rod slides on described lockplate.
6. folding children's barrow according to claim 2, is characterized in that: described the first latch hook has opening towards the fore shaft of front-wheel support, and described the second latch hook has opening towards the fore shaft of front-wheel support.
7. folding children's barrow according to claim 1, is characterized in that: described push-rod frame is slidably inserted in front-wheel support.
8. folding children's barrow according to claim 7, it is characterized in that: the bottom of described push-rod frame is movably set with the first bullet pin, push-rod frame top arranges a unlock button moving for controlling the first lock pin, the top of described front-wheel support has first lockhole matching with the first bullet pin, when vehicle frame is during in expanded position, described the first bullet pin is inserted in the first lockhole.
9. folding children's barrow according to claim 1, is characterized in that: described Zuo Dou mechanism comprises sliding and is arranged at seat pocket bar on front-wheel support and for regulating the regulating mechanism of sitting pocket bar height.
10. folding children's barrow according to claim 9, it is characterized in that: described regulating mechanism comprises the second bullet pin being movably arranged on seat pocket bar, the adjusting button moving for controlling the second bullet pin, described front-wheel support is gone up spaced apart a plurality of the second lockholes that match with the second bullet pin that are provided with along its length, when vehicle frame is during in expanded position, described the second bullet pin is inserted in one of them second lockhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884286.5U CN203739935U (en) | 2013-12-31 | 2013-12-31 | Foldable stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884286.5U CN203739935U (en) | 2013-12-31 | 2013-12-31 | Foldable stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203739935U true CN203739935U (en) | 2014-07-30 |
Family
ID=51339773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320884286.5U Expired - Fee Related CN203739935U (en) | 2013-12-31 | 2013-12-31 | Foldable stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203739935U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527757A (en) * | 2014-12-09 | 2015-04-22 | 好孩子儿童用品有限公司 | Umbrella stroller |
| WO2018014437A1 (en) * | 2016-07-18 | 2018-01-25 | 林朝熙 | Foldable baby stroller |
| CN113730122A (en) * | 2021-09-27 | 2021-12-03 | 浙江爱司米电气有限公司 | Locking mechanism of foldable wheelchair |
-
2013
- 2013-12-31 CN CN201320884286.5U patent/CN203739935U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527757A (en) * | 2014-12-09 | 2015-04-22 | 好孩子儿童用品有限公司 | Umbrella stroller |
| CN104527757B (en) * | 2014-12-09 | 2017-04-05 | 好孩子儿童用品有限公司 | child umbrella handle vehicle |
| WO2018014437A1 (en) * | 2016-07-18 | 2018-01-25 | 林朝熙 | Foldable baby stroller |
| CN113730122A (en) * | 2021-09-27 | 2021-12-03 | 浙江爱司米电气有限公司 | Locking mechanism of foldable wheelchair |
| CN113730122B (en) * | 2021-09-27 | 2024-04-09 | 浙江爱司米电气有限公司 | Locking mechanism of foldable wheelchair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 |