CN203876807U - Handcart folding and unfolding structure - Google Patents
Handcart folding and unfolding structure Download PDFInfo
- Publication number
- CN203876807U CN203876807U CN201420216759.9U CN201420216759U CN203876807U CN 203876807 U CN203876807 U CN 203876807U CN 201420216759 U CN201420216759 U CN 201420216759U CN 203876807 U CN203876807 U CN 203876807U
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- China
- Prior art keywords
- air pressure
- pressure rod
- vehicle
- garage
- knock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 48
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 241001397306 Proales Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007799 cork Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a handcart folding and unfolding structure which comprises handlebar pipes, a frame and wheels. The frame is connected with the handlebar pipes. The handlebar pipes are provided with seat connecting pipes. The handlebar pipes and the frame are connected through an upper handcart folding joint and a lower handcart folding joint. The upper ends of the handlebar pipes are provided with handcart folding handles which are connected with the upper handcart folding joint through steel wires. An air pressure rod is fixed on the frame. An air pressure rod guiding pipe is installed along the air pressure rod. The front end of the air pressure rod guiding pipe is movably connected with the lower ends of the handlebar pipes through rotating shafts. An air pressure rod guiding part is fixed to the rear of the air pressure rod guiding pipe. An air pressure core rod of the air pressure rod is fixedly connected with the air pressure rod guiding part. The handcart folding and unfolding structure is simple in structure and low in manufacturing cost; when a whole handcart is folded, only the handcart folding handles need to be rotated, and the handlebar pipes are pushed so that a handcart platform can be folded; when unfolded, the handcart platform can be unfolded automatically under the pushing effect of the air pressure rod only by separating handcart folding hinge pins from handcart folding hooks.
Description
Technical field
The utility model relates to articles for children apparatus technical field, is specifically related to folding and deployed configuration of a kind of hand barrow.
Background technology
The child utensil that hand barrow right and wrong are usually shown in, puts children onboard and by adult, is pushing away walking and not only can greatly facilitate adult's nurse to take action, and can also make children self more comfortable, and the while is also safer.Yet, traditional hand barrow common configuration more complicated, and mostly can not folding, like this, when car does not need to use, or need to carry time, car is placed need to take more space, will be stored or transport and bring very large inconvenience like this.In order to address this problem, have human hair understand can be folding hand barrow, but current Collapsible cart ubiquity complex structure, manufacturing cost high, pack up and launch to operate cumbersome, waste time and energy, especially the more difficult complete operation of old man.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple in structure, safe and reliable, easy to operate hand barrow and folds and deployed configuration.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of hand barrow folds and deployed configuration, comprise: handle pipe, vehicle frame and wheel, vehicle frame is connected with handle pipe, and wheel is installed on vehicle frame, and handle pipe is provided with seat and takes over, it is characterized in that: between handle pipe and vehicle frame, employing activity trolley folding joint is connected, this activity trolley folding joint comprises trolley folding joint and lower trolley folding joint, wherein goes up trolley folding joint and handle pipe is connected and fixed, and lower trolley folding joint and vehicle frame are connected and fixed; In handle pipe upper end, be provided with the handle that returns the vehicle to the garage and knock off, the handle that returns the vehicle to the garage and knock off connects trolley folding joint by steel cable; On vehicle frame, be fixed with air pressure rod, along air pressure rod, air pressure rod guide pipe is installed, air pressure rod guide pipe front end is flexibly connected with handle pipe lower end by turning cylinder, and air pressure rod guide pipe rear portion is fixed with air pressure rod guide, and the pneumatic core stick of air pressure rod and this air pressure rod guide are connected and fixed.
Further, in described upper trolley folding joint, be provided with the iron plate that returns the vehicle to the garage and knock off, the iron plate that returns the vehicle to the garage and knock off connects steel cable, and steel cable passes in the pipe of handle pipe; In lower trolley folding joint, be provided with the iron that returns the vehicle to the garage and knock off mating with the iron plate that returns the vehicle to the garage and knock off and prop up, the iron that returns the vehicle to the garage and knock off under ride deployed condition props up to be entrapped in and returns the vehicle to the garage and knock off in iron plate.
Further, described air pressure rod is installed on vehicle frame by air pressure rod connecting element, and air pressure rod guide pipe also overlaps in the inner through this air pressure rod connecting element.
Further, be provided with the hook that returns the vehicle to the garage and knock off on vehicle frame, handle pipe is provided with the pivot pin that returns the vehicle to the garage and knock off mating with the hook that returns the vehicle to the garage and knock off, and the pivot pin that returns the vehicle to the garage and knock off under ride collapsed state snaps in the hook that returns the vehicle to the garage and knock off.
Further, between the pipe shaft of handle pipe and vehicle frame, be provided with rotating auxiliary link span.
Further, described air pressure rod guide adopts plastic material to make.
Further, described air pressure rod connecting element adopts plastic material to make.
The External Force Acting rotation handle that returns the vehicle to the garage and knock off, by steel cable effect in handle pipe, the iron that returns the vehicle to the garage and knock off of return the vehicle to the garage and knock off iron plate and lower trolley folding joint in upper trolley folding joint prop up automatic trip from.Under external force, handle pipe produces the motion of both direction, and a direction is for moving downward, and another direction is for travelling forward, and the motion of both direction is carried out simultaneously.Handle pipe downwards with the proal while, under external force, pneumatic core stick shrinks to air pressure rod air pressure rod, pneumatic core stick shrinks and shortens; After ride has folded, return the vehicle to the garage and knock off hook and the pivot pin automatic fastening that returns the vehicle to the garage and knock off, after engaging, pneumatic core stick is in compressive state.While launching ride, only need apply the external force hook that makes to return the vehicle to the garage and knock off and depart from the pivot pin that returns the vehicle to the garage and knock off, utilize the return principle of air pressure rod, due to air pressure rod internal gas pressure pressure, pneumatic core stick automatic ejection, handle pipe is along with the effect of air pressure rod and vehicle frame four connecting rods, and ride slowly launches, until upper and lower folding/unfolding joint has engaged, ride launches completely.
The utlity model has following advantage: simple in structure, cheap for manufacturing cost; Car load folds only to be needed to rotate the handle that returns the vehicle to the garage and knock off, and promotes handle pipe, can realize and fold ride.The pivot pin that only need make to return the vehicle to the garage and knock off while launching ride departs from the hook that returns the vehicle to the garage and knock off, ride can be under the impetus of air pressure rod Automatic-expanding, whole operation is very easy, even old man also can complete very like a cork.
Accompanying drawing explanation
Fig. 1 is the utility model deployed condition constructional drawing;
Fig. 2 is trolley folding joint johning knot composition;
Fig. 3 is that the utility model folds process structure diagram;
Fig. 4 is the utility model collapse state structure.
In figure, 1 is handle pipe, and 2 is vehicle frame, 3 take over for seat, and 4 is air pressure rod guide pipe, and 5 is the handle that returns the vehicle to the garage and knock off, 6 is upper trolley folding joint, and 7 is lower trolley folding joint, and 8 is the hook that returns the vehicle to the garage and knock off, 9 is the pivot pin that returns the vehicle to the garage and knock off, and 10 is air pressure rod, and 11 is air pressure rod connecting element, 12 is pneumatic core stick, 13 is air pressure rod guide, and 14 for the iron that returns the vehicle to the garage and knock off props up, and 15 is the iron plate that returns the vehicle to the garage and knock off.
The specific embodiment
In the present embodiment, with reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, described hand barrow folds and deployed configuration, comprising: handle pipe 1, vehicle frame 2 and wheel, and vehicle frame 2 is connected with handle pipe 1, and wheel is installed on vehicle frame 2, and handle pipe 1 is provided with seat and takes over 3; Between handle pipe 1 and vehicle frame 2, employing activity trolley folding joint is connected, and this activity trolley folding joint comprises trolley folding joint 6 and lower trolley folding joint 7, wherein goes up trolley folding joint 6 and is connected and fixed with handle pipe 1, and lower trolley folding joint 7 is connected and fixed with vehicle frame 2; In handle pipe 1 upper end, be provided with the handle 5 that returns the vehicle to the garage and knock off, the handle 5 that returns the vehicle to the garage and knock off connects trolley folding joint 6 by steel cable; On vehicle frame 2, be fixed with air pressure rod 10, along air pressure rod 10, air pressure rod guide pipe 4 is installed, air pressure rod guide pipe 4 front ends are flexibly connected with handle pipe 1 lower end by turning cylinder, air pressure rod guide pipe 4 rear portions are fixed with air pressure rod guide 13, and pneumatic core stick 12 and this air pressure rod guide 13 of air pressure rod 10 are connected and fixed.
In described upper trolley folding joint 6, be provided with the iron plate 15 that returns the vehicle to the garage and knock off, the iron plate 15 that returns the vehicle to the garage and knock off connects steel cable, and steel cable passes in the pipe of handle pipe 2; In lower trolley folding joint 7, be provided with the iron that returns the vehicle to the garage and knock off mating with the iron plate 15 that returns the vehicle to the garage and knock off and prop up 14, the iron that returns the vehicle to the garage and knock off under ride deployed condition props up 14 and is entrapped in and returns the vehicle to the garage and knock off in iron plate 15.
Described air pressure rod 10 is installed on vehicle frame 2 by air pressure rod connecting element 11, and air pressure rod guide pipe 4 also overlaps in the inner through this air pressure rod connecting element 11.
On vehicle frame 2, be provided with the hook 8 that returns the vehicle to the garage and knock off, handle pipe 1 is provided with the pivot pin 9 that returns the vehicle to the garage and knock off mating with the hook 8 that returns the vehicle to the garage and knock off, and the pivot pin 9 that returns the vehicle to the garage and knock off under ride collapsed state snaps in the hook 8 that returns the vehicle to the garage and knock off.
Between the pipe shaft of handle pipe 1 and vehicle frame 2, be provided with rotating auxiliary link span.
Described air pressure rod guide 13 adopts plastic material to make.
Described air pressure rod connecting element 11 adopts plastic material to make.
The External Force Acting rotation handle 5 that returns the vehicle to the garage and knock off, by the interior steel cable effect of handle pipe 1, the iron that returns the vehicle to the garage and knock off of return the vehicle to the garage and knock off iron plate 15 and lower trolley folding joint 7 in upper trolley folding joint 6 prop up 14 automatic trips from.Under external force, the motion that handle pipe 1 produces both direction, a direction is for moving downward, and another direction is for travelling forward, and the motion of both direction is carried out simultaneously.Handle pipe 1 downwards with the proal while, under external force, pneumatic core stick 12 shrinks to air pressure rod 10 air pressure rod 10, pneumatic core stick 12 shrinks and shortens; After ride has folded, return the vehicle to the garage and knock off hook 8 and pivot pin 9 automatic fastenings that return the vehicle to the garage and knock off, after engaging, pneumatic core stick 12 is in compressive state.While launching ride, only need apply the external force hook 8 that makes to return the vehicle to the garage and knock off and depart from the pivot pin 9 that returns the vehicle to the garage and knock off, utilize the return principle of air pressure rod, due to air pressure rod 10 internal gas pressure pressure, pneumatic core stick 12 automatic ejections, handle pipe 1 is along with the effect of air pressure rod 10 and vehicle frame 2 four connecting rods, and ride slowly launches, until upper and lower folding/unfolding joint has engaged, ride launches completely.
Below the utility model is described in detail, the above is only the preferred embodiment of the utility model, when not limiting the utility model practical range, be allly according to the application's scope, to do impartial change and modify, all should still belong in the utility model covering scope.
Claims (7)
1. a hand barrow folds and deployed configuration, comprise: handle pipe, vehicle frame and wheel, vehicle frame is connected with handle pipe, wheel is installed on vehicle frame, handle pipe is provided with seat and takes over, and it is characterized in that: between handle pipe and vehicle frame, employing activity trolley folding joint is connected, and this activity trolley folding joint comprises trolley folding joint and lower trolley folding joint, wherein go up trolley folding joint and handle pipe is connected and fixed, lower trolley folding joint and vehicle frame are connected and fixed; In handle pipe upper end, be provided with the handle that returns the vehicle to the garage and knock off, the handle that returns the vehicle to the garage and knock off connects trolley folding joint by steel cable; On vehicle frame, be fixed with air pressure rod, along air pressure rod, air pressure rod guide pipe is installed, air pressure rod guide pipe front end is flexibly connected with handle pipe lower end by turning cylinder, and air pressure rod guide pipe rear portion is fixed with air pressure rod guide, and the pneumatic core stick of air pressure rod and this air pressure rod guide are connected and fixed.
2. hand barrow according to claim 1 folds and deployed configuration, it is characterized in that: in described upper trolley folding joint, be provided with the iron plate that returns the vehicle to the garage and knock off, the iron plate that returns the vehicle to the garage and knock off connects steel cable, and steel cable passes in the pipe of handle pipe; In lower trolley folding joint, be provided with the iron that returns the vehicle to the garage and knock off mating with the iron plate that returns the vehicle to the garage and knock off and prop up, the iron that returns the vehicle to the garage and knock off under ride deployed condition props up to be entrapped in and returns the vehicle to the garage and knock off in iron plate.
3. hand barrow according to claim 1 folds and deployed configuration, it is characterized in that: described air pressure rod is installed on vehicle frame by air pressure rod connecting element, and air pressure rod guide pipe also overlaps in the inner through this air pressure rod connecting element.
4. hand barrow according to claim 1 folds and deployed configuration, it is characterized in that: on vehicle frame, be provided with the hook that returns the vehicle to the garage and knock off, handle pipe is provided with the pivot pin that returns the vehicle to the garage and knock off mating with the hook that returns the vehicle to the garage and knock off, and the pivot pin that returns the vehicle to the garage and knock off under ride collapsed state snaps in the hook that returns the vehicle to the garage and knock off.
5. hand barrow according to claim 1 folds and deployed configuration, it is characterized in that: between the pipe shaft of handle pipe and vehicle frame, be provided with rotating auxiliary link span.
6. hand barrow according to claim 1 folds and deployed configuration, it is characterized in that: described air pressure rod guide adopts plastic material to make.
7. hand barrow according to claim 3 folds and deployed configuration, it is characterized in that: described air pressure rod connecting element adopts plastic material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420216759.9U CN203876807U (en) | 2014-04-29 | 2014-04-29 | Handcart folding and unfolding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420216759.9U CN203876807U (en) | 2014-04-29 | 2014-04-29 | Handcart folding and unfolding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203876807U true CN203876807U (en) | 2014-10-15 |
Family
ID=51677337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420216759.9U Expired - Lifetime CN203876807U (en) | 2014-04-29 | 2014-04-29 | Handcart folding and unfolding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203876807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394450A (en) * | 2018-04-01 | 2018-08-14 | 安徽顺康服饰有限公司 | A kind of foldable carriage for children |
-
2014
- 2014-04-29 CN CN201420216759.9U patent/CN203876807U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394450A (en) * | 2018-04-01 | 2018-08-14 | 安徽顺康服饰有限公司 | A kind of foldable carriage for children |
| CN108394450B (en) * | 2018-04-01 | 2024-03-01 | 乔爱河 | Folding baby carriage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHONGSHAN BAOBAOHAO CHILDREN PRODUCTS Co.,Ltd. Assignor: District Guangquan|Huang Guolai Contract record no.: X2020980001174 Denomination of utility model: Handcart folding and unfolding structure Granted publication date: 20141015 License type: Exclusive License Record date: 20200330 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |