CN203698364U - Foldable child cart - Google Patents
Foldable child cart Download PDFInfo
- Publication number
- CN203698364U CN203698364U CN201420011566.XU CN201420011566U CN203698364U CN 203698364 U CN203698364 U CN 203698364U CN 201420011566 U CN201420011566 U CN 201420011566U CN 203698364 U CN203698364 U CN 203698364U
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- CN
- China
- Prior art keywords
- wheel support
- vehicle frame
- folding
- sliding sleeve
- rear wheel
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000005452 bending Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 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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- Handcart (AREA)
Abstract
The utility model relates to a foldable child cart which comprises a cart frame with a folding position and an unfolding position, front wheels, back wheels and a sitting pocket mechanism. The cart frame comprises a pushing rod frame, a front wheel support, a back wheel support, a sliding sleeve, a supporting rod and a first locking mechanism. The upper portion of the front wheel support is connected with the pushing rod frame. A front wheel component is arranged on the lower portion of the front wheel support. The upper portion of the back wheel support is in rotating connection with the front wheel support. A back wheel component is arranged on the lower portion of the back wheel support. The sliding sleeve is arranged on the back wheel support in a sliding-sleeved mode. One end of the supporting rod is in rotating connection with the lower portion of the front wheel support, and the other end of the supporting rod is in rotating connection with the sliding sleeve. The first locking mechanism is arranged on the sliding sleeve and/or the back wheel support. When the cart frame is in the unfolding position, the first locking mechanism locks the sliding sleeve and the back wheel support, and the supporting rod, the front wheel support and the back wheel support form a triangle structure stably. The foldable child cart is convenient to fold, and after being folded, the foldable child cart can stand on the ground by itself.
Description
Technical field
the utility model relates to a kind of folding children's barrow.
Background technology
in prior art, children trolley generally comprise have expanded position and folding position vehicle frame, be arranged at front portion at the bottom of vehicle frame front-wheel, be arranged at rear portion at the bottom of vehicle frame trailing wheel, be arranged at the Zuo Dou mechanism on vehicle frame and vehicle frame be locked in to the lockout mechanism of expanded position and folding position.The vehicle frame of existing children trolley is of a great variety, the rod member quantity difference of vehicle frame, and 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 capable of standing up after folding is on ground.
for solving the problems of the technologies described above, the utility model adopts following technical scheme:
a kind of 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 component is installed on the bottom of front-wheel support;
rear wheel support, its top is rotationally connected with described front-wheel support, and described wheel assembly is installed on the bottom of rear wheel support;
sliding sleeve, it is sheathed on described rear wheel support slidably;
strut bar, its one end is rotationally connected with described front-wheel support bottom, the other end is rotationally connected with described sliding sleeve;
the first lockout mechanism, it is arranged on described sliding sleeve and/or rear wheel support, and when vehicle frame is during at expanded position, described the first lockout mechanism is by sliding sleeve and rear wheel support locking, and described strut bar, front-wheel support, rear wheel support stably form triangular structure.
preferably, described the first lockout mechanism comprise be fixedly installed on rear wheel support latch hook, be mounted slidably the pull bar on sliding sleeve, when described vehicle frame is during at expanded position, described pull bar is stuck in latch hook.
more preferably, described the first lockout mechanism also comprises the second lock mechanism for pull bar is locked.
further, described second lock mechanism comprises fixed link, is arranged at the lockplate on described fixed link rotationally, and the two ends of described fixed link are fixedly connected with strut bar respectively, has the projection for stopping that pull bar slides on described lockplate.
more preferably, described pull bar can slide along the length direction of strut bar, and described latch hook has opening fore shaft backward.
preferably, described vehicle frame also comprises the second lockout mechanism for vehicle frame being locked in to folding position, described the second lockout mechanism comprises the securing rod extending along fore-and-aft direction, the lock pin that self-supporting bar extends to securing rod front end, described securing rod is formed with a bending part at its front end, rear end is fixedly connected on rear wheel support, the overbending direction of described bending part is consistent with the bearing of trend of lock pin, on described bending part, offer a groove matching with lock pin, when vehicle frame is during in folding position, described lock pin is inserted in groove.
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 bullet 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 multiple 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 one end and front-wheel support be rotationally connected, the other end is connected in rear wheel support actively by sliding sleeve, not only can slide along rear wheel support, but also can rotate relative to rear wheel support, when folding, upwards tractive sliding sleeve can fold front-wheel support, rear wheel support, strut bar, folding convenient, one hand can operate; The first lockout mechanism is carried out to secondary locking, and safety in utilization is better; The second lockout mechanism can be locked in folding position by go-cart, make go-cart after folding stable, can be on standing on ground.Sit pocket bar and be movably set on front-wheel support, sit pocket Height Adjustable; When folding, push-rod frame is slidably to being accommodated in front-wheel support, folding after the little and folding convenient of car load volume.
Accompanying drawing explanation
fig. 1 the first block diagram during at expanded position that is the utility model at vehicle frame;
fig. 2 the second block diagram during at expanded position that is the utility model at vehicle frame;
fig. 3 block diagram during in folding position that is the utility model at vehicle frame;
fig. 4 be the utility model at vehicle frame the first lateral plan 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.
wherein, 10, vehicle frame; 1, push-rod frame; 11, unlock button; 2, front-wheel support; 3, rear wheel support; 4, strut bar; 5, sliding sleeve; 6, the first lockout mechanism; 61, latch hook; 62, pull bar; 63, fixed link; 64, lockplate; 641, projection; 7, the second lockout mechanism; 71, securing rod; 72, bending part; 73, groove; 74, lock pin;
20, front component;
30, wheel assembly;
40, Zuo Dou mechanism; 41, sit pocket bar.
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. 1-6, a kind of folding children's barrow, comprise there is the vehicle frame 10 of expanded position and folding position, two front components 20, two wheel assemblies 30 and Zuo Dou mechanisms 40, described vehicle frame 10 comprises:
push-rod frame 1, it is roughly inverted U-shaped;
two front-wheel supports 2, its top is connected to a side of described push-rod frame 1, and described front component 20 is installed on respectively the bottom of front-wheel support 2;
two rear wheel supports 3, its top is rotationally connected with respectively the top of a front-wheel support 2, and described wheel assembly 30 is installed on respectively the bottom of rear wheel support 3;
two sliding sleeves 5, it is sheathed on respectively on a described rear wheel support 3 slidably;
two strut bars 4, its one end is rotationally connected with described front-wheel support 2 bottoms, the other end is rotationally connected with described sliding sleeve 5;
two the first lockout mechanisms 6, it is arranged on described sliding sleeve 5 and/or rear wheel support 3 respectively, when vehicle frame 10 is during at expanded position, described the first lockout mechanism 6 locks sliding sleeve 5 and rear wheel support 3, and described strut bar 4, front-wheel support 2, rear wheel support 3 stably form respectively a triangular structure.
shown in Fig. 2, Fig. 3, described the first lockout mechanism 6 comprise be respectively fixedly installed on rear wheel support 3 latch hook 61, be mounted slidably the pull bar 62 in sliding sleeve 5, described pull bar 62 can slide along the length direction of strut bar 4, described latch hook 61 has opening fore shaft backward, when described vehicle frame 10 is during at expanded position, described pull bar 62 is stuck in the fore shaft of latch hook 61.Two ends of pull bar 62 are slidably connected to respectively a sliding sleeve 5, concrete way is: on sliding sleeve 5, have respectively the elongated slot that extend front and back, the end of pull bar 62 is inserted in this elongated slot and can in elongated slot, slides along fore-and-aft direction, is also connected with the spring (not shown) for pull bar 62 is resetted between the end of pull bar 62 and sliding sleeve 5.
described the first lockout mechanism 6 also comprises the second lock mechanism for pull bar 62 is locked.Particularly, shown in Fig. 4-6, described second lock mechanism comprises fixed link 63, is arranged at the lockplate 64 on described fixed link 63 rotationally, the two ends of described fixed link 63 are fixedly connected with the rear end of strut bar 4 respectively, described lockplate 64 is arranged at the middle part of fixed link 63 rotationally, and on fixed link 63, be also provided with the torsion spring for lockplate 64 is resetted, on described lockplate 64, there is the projection 641 for stopping that pull bar 62 slides, described protruding 641 between pull bar 62 middle parts and securing rod middle part and self-locking plate 64 upwards extend.
described vehicle frame 10 also comprises that one for being locked in vehicle frame 10 the second lockout mechanism 7 of folding position, described the second lockout mechanism 7 comprises the securing rod 71 extending along fore-and-aft direction, a strut bar 4 in vehicle frame both sides extends the lock pin 74 of (to go-cart extension) to securing rod 71 front ends, described securing rod 71 is formed with a bending part 72 to go-cart extension at its front end, rear end is fixedly connected on a rear wheel support 3 of vehicle frame the same side, the overbending direction of described bending part 72 is consistent with the bearing of trend of lock pin 74, on described bending part 72, offer a groove 73 matching with lock pin 74, so that in the time that strut bar 4 and rear wheel support 3 are drawn close in opposite directions, lock pin 74 can progressively insert in groove 73 along with the inclined-plane of bending part 72, the slightly larger in diameter of the terminal part of lock pin 74 is in the height of groove 73, when vehicle frame 10 is during in folding position, described lock pin 74 is inserted in groove 73.
shown in Fig. 1, Fig. 4, described push-rod frame 1 is slidably inserted in front-wheel support 2.Described front-wheel support 2 has the inner chamber of hollow, and in the time that vehicle frame 10 is folding, push-rod frame 1 down sliding and its both sides are contained in respectively 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 bullet pin, unlock button 11 and the first bullet pin are connected, 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. 4, Fig. 5, 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 (not shown) 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 moving for controlling the second bullet pin, described front-wheel support 2 is gone up spaced apart multiple the second lockholes that match with the second bullet pin that are provided with along its length, when vehicle frame 10 is during in expanded position, described the second bullet pin is inserted in one of them second lockhole.
shown in Fig. 4-6, children trolley is when folding, press unlock button 11 push-rod frame 1 is pushed into push-rod frame 1 latched position downwards, press and regulate button that Zuo Dou mechanism 40 is adjusted to extreme lower position, press lockplate 64 by pull bar 62 releases, tractive pull bar 62 makes pull bar 62 depart from latch hook 61 and carries fixed link 63 on backward backward, and strut bar 4, front-wheel support 2, rear wheel support 3 are drawn close mutually, until lock pin 74 inserts, groove 73 is interior to be locked in vehicle frame 10 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 component, wheel assembly 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 component is installed on the bottom of front-wheel support;
Rear wheel support, its top is rotationally connected with described front-wheel support, and described wheel assembly is installed on the bottom of rear wheel support;
Sliding sleeve, it is sheathed on described rear wheel support slidably;
Strut bar, its one end is rotationally connected with described front-wheel support bottom, the other end is rotationally connected with described sliding sleeve;
The first lockout mechanism, it is arranged on described sliding sleeve and/or rear wheel support, and when vehicle frame is during at expanded position, described the first lockout mechanism is by sliding sleeve and rear wheel support locking, and described strut bar, front-wheel support, rear wheel support stably form triangular structure.
2. folding children's barrow according to claim 1, it is characterized in that: described the first lockout mechanism comprise be fixedly installed on rear wheel support latch hook, be mounted slidably the pull bar on sliding sleeve, when described vehicle frame is during at expanded position, described pull bar is stuck in latch hook.
3. folding children's barrow according to claim 2, is characterized in that: described the first lockout mechanism also comprises the second lock mechanism for pull bar is locked.
4. folding children's barrow according to claim 3, it is characterized in that: described second lock mechanism comprises fixed link, is arranged at the lockplate on described fixed link rotationally, the two ends of described fixed link are fixedly connected with strut bar respectively, have the projection for stopping that pull bar slides on described lockplate.
5. folding children's barrow according to claim 2, is characterized in that: described pull bar can slide along the length direction of strut bar, and described latch hook has opening fore shaft backward.
6. folding children's barrow according to claim 1, it is characterized in that: described vehicle frame also comprises the second lockout mechanism for vehicle frame being locked in to folding position, described the second lockout mechanism comprises the securing rod extending along fore-and-aft direction, the lock pin that self-supporting bar extends to securing rod front end, described securing rod is formed with a bending part at its front end, rear end is fixedly connected on rear wheel support, the overbending direction of described bending part is consistent with the bearing of trend of lock pin, on described bending part, offer a groove matching with lock pin, when vehicle frame is during in folding position, described lock pin is inserted in groove.
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 bullet 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 multiple 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 |
|---|---|---|---|
| CN201420011566.XU CN203698364U (en) | 2014-01-09 | 2014-01-09 | Foldable child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420011566.XU CN203698364U (en) | 2014-01-09 | 2014-01-09 | Foldable child cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203698364U true CN203698364U (en) | 2014-07-09 |
Family
ID=51048844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420011566.XU Expired - Fee Related CN203698364U (en) | 2014-01-09 | 2014-01-09 | Foldable child cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203698364U (en) |
-
2014
- 2014-01-09 CN CN201420011566.XU patent/CN203698364U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 |