CN203920857U - Doll carriage - Google Patents
Doll carriage Download PDFInfo
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- CN203920857U CN203920857U CN201420287445.8U CN201420287445U CN203920857U CN 203920857 U CN203920857 U CN 203920857U CN 201420287445 U CN201420287445 U CN 201420287445U CN 203920857 U CN203920857 U CN 203920857U
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- Prior art keywords
- rod
- support rod
- rotationally
- bar
- push
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- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of doll carriage.It comprises the vehicle frame with expanded position and folding position, and described vehicle frame comprises: pulling handle rod; Front support rod, its upper end is connected in the lower end of pulling handle rod rotationally; Front rod, its front portion is connected in the lower end of front support rod rotationally; Rear linking rod, its front portion is connected in front rod slidably, rear end is provided with wheel assembly; Back support rod, its upper end is connected in the top of front support rod, the front portion that lower end is connected in rear linking rod rotationally rotationally; Seatpost, it is arranged on back support rod, and back support rod can rotate relative to seatpost; When expanded position, pulling handle rod is relative with front support rod to launch, and the front end of front rod and the front end of rear linking rod are away from, triangle of anterior basic comprising of front support rod, back support rod, front rod and rear linking rod; , pulling handle rod, front support rod, back support rod, seatpost and front rod are drawn close mutually when the folding position, and the front end of front rod is mutually close with the front end of rear linking rod.
Description
Technical field
the utility model relates to a kind of doll carriage, particularly a kind of Foldable baby go-cart.
Background technology
in prior art, doll carriage generally comprise have expanded position and folding position vehicle frame, be arranged at front portion at the bottom of described vehicle frame front component, be arranged at the wheel assembly at rear portion at the bottom of described vehicle frame, described vehicle frame be locked in to frame locking mechanism under expanded position, be arranged at the seat pocket on described vehicle frame.The vehicle frame of existing doll carriage is of a great variety, annexation, connection location difference between number difference, each rod member of the rod member of vehicle frame, thus folding principle and folding mode are different.Folding convenient, volume after folding are little is the target that doll carriage designer pursues.
Summary of the invention
for the problems referred to above, the purpose of this utility model is to provide a kind of doll carriage, its folding convenient, and vehicle frame compactness, volume after folding are small and exquisite.
for solving the problems of the technologies described above, the utility model adopts following technical scheme:
a kind of doll carriage, comprises the front component and the wheel assembly that have the vehicle frame of expanded position and folding position, be arranged at respectively front portion and rear portion, the end at the bottom of described vehicle frame, and described vehicle frame comprises:
pulling handle rod;
front support rod, its upper end is connected in the lower end of described pulling handle rod rotationally;
front rod, its front portion is connected in the lower end of described front support rod rotationally;
rear linking rod, its front portion is connected in described front rod slidably, rear end is provided with described wheel assembly, and described rear linking rod can be along the axially front rod slip relatively of described front rod;
back support rod, its upper end is connected in the top of described front support rod or the lower end of described pulling handle rod, lower end and is connected in rotationally the front portion of described rear linking rod rotationally;
seatpost, it is arranged on described back support rod, and described back support rod can rotate relative to described seatpost;
when described vehicle frame is during at expanded position, described pulling handle rod is relative with described front support rod to launch, and the front end of described front rod and the front end of described rear linking rod are away from, triangle of anterior basic comprising of described front support rod, back support rod, front rod and rear linking rod; When described vehicle frame is during in folding position, described pulling handle rod, front support rod, back support rod, seatpost and front rod are drawn close mutually, and the front end of described front rod is mutually close with the front end of rear linking rod.
preferably, described vehicle frame also comprises that rear end is connected in the side handrail bar of described pulling handle rod bottom, top and is connected in rotationally the pallet connecting rod of described side handrail bar front end rotationally, the lower end of described pallet connecting rod is connected between the top and bottom of described front support rod rotationally, the front portion of described seatpost is connected between the top and bottom of described pallet connecting rod rotationally, when described vehicle frame is during in folding position, described side handrail bar and pallet connecting rod are drawn close in opposite directions, and described pallet connecting rod is relative with seatpost to launch.
preferably, described pulling handle rod comprises push-up handle bar and push-down handle bar, and described push-up handle bar can be along the axially push-down handle bar slip relatively of push-down handle bar, and described front support rod is rotationally connected with the lower end of described push-down handle bar.
more preferably, described push-down handle bar is sheathed on described upper push pedal bar slidably, described push-up handle bar axially and axially the paralleling of push-down handle bar.
preferably, described rear linking rod is sheathed on described front rod slidably, described front rod axially and axially the paralleling of rear linking rod.
preferably, the upper end of described back support rod is connected in the upper end of described front support rod rotationally.
preferably, described front component is arranged at the front end of described front rod.
preferably, the front end of described front rod has upwardly extending extension, and the lower end of described front support rod is connected in described extension rotationally.
more preferably, described side handrail bar, pallet connecting rod, front support rod and pulling handle rod form first four-bar linkage, described pallet connecting rod, front support rod, back support rod and seatpost form second four-bar linkage, and described front support rod, front rod, rear linking rod and back support rod form the 3rd four-bar linkage.
further, when described go-cart folds, described first, second and third four-bar linkage is folding successively.
the utility model adopts above structure, tool has the following advantages compared to existing technology: rotate forward pulling handle rod, front support rod and back support rod rotate backward and draw close to rear linking rod, rear linking rod thereupon to front slide make the front portion of rear linking rod and the front portion of front rod mutually close, folding convenient is light, and vehicle frame compactness, volume after folding is small and exquisite, is convenient for carrying.
Brief description of the drawings
fig. 1 is the lateral plan of vehicle frame of the present utility model at expanded position;
fig. 2 is the block diagram of vehicle frame of the present utility model in the time of expanded position;
fig. 3 is the lateral plan of vehicle frame of the present utility model in folding process;
fig. 4 is the block diagram of vehicle frame of the present utility model in folding process;
fig. 5 is the lateral plan of vehicle frame of the present utility model in folding position;
fig. 6 is the block diagram of vehicle frame of the present utility model in folding position.
wherein, 1, push-up handle bar; 2, push-down handle bar; 3, front support rod; 4, front rod; 41, extension; 5, rear linking rod; 6, back support rod; 7, seatpost; 8, side handrail bar; 9, pallet connecting rod;
20, front component; 30, wheel assembly.
Detailed description of the invention
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.
in conjunction with shown in Fig. 1 to Fig. 6, a kind of doll carriage, comprises the front component 20 and the wheel assembly 30 that have the vehicle frame of expanded position and folding position, be arranged at respectively front portion and rear portion, the end at the bottom of described vehicle frame, and seat pocket or the sleeping basket etc. taken for baby are set on vehicle frame.Below in narration, upper and lower, the front and rear mentioned are respectively the usual viewpoint definition to doll carriage according to those skilled in the art and user of service, correspond respectively to upper and lower, the left and right of paper in Fig. 1.
shown in Fig. 1, described vehicle frame comprises: pulling handle rod, and described pulling handle rod comprises push-up handle bar 1 and push-down handle bar 2, described push-up handle bar 1 can slide along the axially relative push-down handle bar 2 of push-down handle bar 2; Front support rod 3, its upper end is connected in the lower end of described pulling handle rod rotationally, particularly, the upper end of described front support rod 3 is rotationally connected with the lower end of described push-down handle bar 2, described push-down handle bar 2 is sheathed on described upper push pedal bar slidably, described push-up handle bar 1 axially and axially the paralleling of push-down handle bar 2; Front rod 4, its front portion is connected in the lower end of described front support rod 3 rotationally, and described front component 20 is arranged at the front end of described front rod 4; Rear linking rod 5, its front portion is connected in described front rod 4 slidably, rear end is provided with described wheel assembly 30, described rear linking rod 5 can slide along the axially relative front rod 4 of described front rod 4, particularly, described rear linking rod 5 is sheathed on described front rod 4 slidably, described front rod 4 axially and axially the paralleling of rear linking rod 5; Back support rod 6, its upper end is connected in the top of described front support rod 3 or the lower end of described pulling handle rod, lower end and is connected in rotationally the front portion of described rear linking rod 5 rotationally, in the present embodiment, the upper end of described back support rod 6 is connected in the upper end of described front support rod 3 rotationally; Seatpost 7, it is arranged on described back support rod 6 for mount pad pocket, and described back support rod 6 can rotate relative to described seatpost 7.
shown in Fig. 1 and Fig. 2, when described vehicle frame is during at expanded position, the expansion relative to described front support rod 3 of described pulling handle rod, the front end of the front end of described front rod 4 and described rear linking rod 5 is away from, triangle of anterior basic comprising of described front support rod 3, back support rod 6, front rod 4 and rear linking rod 5; Shown in Fig. 5 and Fig. 6, when described vehicle frame is during in folding position, described pulling handle rod, front support rod 3, back support rod 6, seatpost 7 and front rod 4 are drawn close mutually, and the front end of described front rod 4 is mutually close with the front end of rear linking rod 5.
described vehicle frame also comprises that rear end is connected in the side handrail bar 8 of described push-down handle bar 2 bottoms, top and is connected in rotationally the pallet connecting rod 9 of described side handrail bar 8 front ends rotationally, the lower end of described pallet connecting rod 9 is connected between the top and bottom of described front support rod 3 rotationally, the front portion of described seatpost 7 is connected between the top and bottom of described pallet connecting rod 9 rotationally, when described vehicle frame is during in folding position, described side handrail bar 8 and pallet connecting rod 9 are drawn close in opposite directions, the expansion relative to seatpost 7 of described pallet connecting rod 9.
above-mentioned push-up handle bar 1, push-down handle bar 2, front support rod 3, front rod 4, rear linking rod 5, back support rod 6, side handrail bar 8, pallet connecting rod 9 and seatpost 7 are two, and be arranged in respectively the left and right sides of children trolley, the described each rod member that is positioned at the same side connects by above-mentioned connection mode.Wherein, the upper end of two push-up handle bars 1 is connected and is used for facilitating go-cart person's application of force by a cross bar, the upper end of two pallet connecting rods 9 is connected for supporting tray by a cross bar, the rear end of two seatposts 7 by a cross bar be connected and three between form half shaped as frame for mount pad pocket, the bottom of two front support rods 3 is connected foot-operated for arranging by a cross bar, and the rear portion of the front portion of two front rods 4, two rear linking rods 5, two back support rods 6 are connected for further strengthening the stability of doll carriage by a cross bar respectively.
the front end of described front rod 4 has upwardly extending extension 41, and the lower end of described front support rod 3 is connected in described extension 41 rotationally.Arranging is like this in order to make vehicle frame when folding, between front support rod 3 and rear linking rod 5, is formed with the space that can hold back support rod 6, makes the three after folding more compact.
described side handrail bar 8, pallet connecting rod 9, front support rod 3 and pulling handle rod form first four-bar linkage, described pallet connecting rod 9, front support rod 3, back support rod 6 and seatpost 7 form second four-bar linkage, and described front support rod 3, front rod 4, rear linking rod 5 and back support rod 6 form the 3rd four-bar linkage.When described go-cart folds, described first, second and third four-bar linkage is folding successively.
shown in Fig. 3 and Fig. 4, in the time that described vehicle frame is converted to folded state by deployed condition, first push-up handle bar 1 being slided down to push-up handle bar 1 is farthest accommodated in push-down handle bar 2, rotate forward again push-up handle bar 1, front support rod 3, back support rod 6 rotates backward thereupon and draws close to rear linking rod 5 gradually, side handrail bar 8 is drawn close with under tractive and pallet connecting rod 9 expansion relative to seatpost 7 in the promotion of push-down handle bar 2 and back support rod 6 in opposite directions with pallet connecting rod 9, rear linking rod 5 slides into forward front rod 4 and is farthest accommodated in rear linking rod 5 under the tractive of back support rod 6, shown in Fig. 5 and Fig. 6, after having folded, pulling handle rod is relative with front support rod 3 folding, front support rod 3 is relative with back support rod 6 folding, back support rod 6 is relative with rear linking rod 5 folding, pulling handle rod shrinks, front rod 4 and rear linking rod 5 shrink, vehicle frame compactness after folding, volume is small and exquisite, be convenient to deposit and carry, and folding process is convenient and simple.
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 doll carriage, comprises the front component and the wheel assembly that have the vehicle frame of expanded position and folding position, be arranged at respectively front portion and rear portion, the end at the bottom of described vehicle frame, it is characterized in that, described vehicle frame comprises:
Pulling handle rod;
Front support rod, its upper end is connected in the lower end of described pulling handle rod rotationally;
Front rod, its front portion is connected in the lower end of described front support rod rotationally;
Rear linking rod, its front portion is connected in described front rod slidably, rear end is provided with described wheel assembly, and described rear linking rod can be along the axially front rod slip relatively of described front rod;
Back support rod, its upper end is connected in the top of described front support rod or the lower end of described pulling handle rod, lower end and is connected in rotationally the front portion of described rear linking rod rotationally;
Seatpost, it is arranged on described back support rod, and described back support rod can rotate relative to described seatpost;
When described vehicle frame is during at expanded position, described pulling handle rod is relative with described front support rod to launch, and the front end of described front rod and the front end of described rear linking rod are away from, triangle of anterior basic comprising of described front support rod, back support rod, front rod and rear linking rod; When described vehicle frame is during in folding position, described pulling handle rod, front support rod, back support rod, seatpost and front rod are drawn close mutually, and the front end of described front rod is mutually close with the front end of rear linking rod.
2. doll carriage according to claim 1, it is characterized in that: described vehicle frame also comprises that rear end is connected in the side handrail bar of described pulling handle rod bottom, top and is connected in rotationally the pallet connecting rod of described side handrail bar front end rotationally, the lower end of described pallet connecting rod is connected between the top and bottom of described front support rod rotationally, the front portion of described seatpost is connected between the top and bottom of described pallet connecting rod rotationally, when described vehicle frame is during in folding position, described side handrail bar and pallet connecting rod are drawn close in opposite directions, and described pallet connecting rod is relative with seatpost to launch.
3. doll carriage according to claim 1, it is characterized in that: described pulling handle rod comprises push-up handle bar and push-down handle bar, described push-up handle bar can be along the axially push-down handle bar slip relatively of push-down handle bar, and described front support rod is rotationally connected with the lower end of described push-down handle bar.
4. doll carriage according to claim 3, is characterized in that: described push-down handle bar is sheathed on described upper push pedal bar slidably, described push-up handle bar axially and axially the paralleling of push-down handle bar.
5. doll carriage according to claim 1, is characterized in that: described rear linking rod is sheathed on described front rod slidably, described front rod axially and axially the paralleling of rear linking rod.
6. doll carriage according to claim 1, is characterized in that: the upper end of described back support rod is connected in the upper end of described front support rod rotationally.
7. doll carriage according to claim 1, is characterized in that: described front component is arranged at the front end of described front rod.
8. doll carriage according to claim 1, is characterized in that: the front end of described front rod has upwardly extending extension, and the lower end of described front support rod is connected in described extension rotationally.
9. doll carriage according to claim 2, it is characterized in that: described side handrail bar, pallet connecting rod, front support rod and pulling handle rod form first four-bar linkage, described pallet connecting rod, front support rod, back support rod and seatpost form second four-bar linkage, and described front support rod, front rod, rear linking rod and back support rod form the 3rd four-bar linkage.
10. doll carriage according to claim 9, is characterized in that: when described go-cart folds, described first, second and third four-bar linkage is folding successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287445.8U CN203920857U (en) | 2014-05-30 | 2014-05-30 | Doll carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287445.8U CN203920857U (en) | 2014-05-30 | 2014-05-30 | Doll carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203920857U true CN203920857U (en) | 2014-11-05 |
Family
ID=51816717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420287445.8U Expired - Fee Related CN203920857U (en) | 2014-05-30 | 2014-05-30 | Doll carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203920857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12016804B2 (en) | 2020-08-09 | 2024-06-25 | Shanghai Bangbang Robotics Co., Ltd | Collapsible wheelchair |
-
2014
- 2014-05-30 CN CN201420287445.8U patent/CN203920857U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12016804B2 (en) | 2020-08-09 | 2024-06-25 | Shanghai Bangbang Robotics Co., Ltd | Collapsible 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 |