CN103029730B - Folding mechanism of handcart - Google Patents
Folding mechanism of handcart Download PDFInfo
- Publication number
- CN103029730B CN103029730B CN201210404084.6A CN201210404084A CN103029730B CN 103029730 B CN103029730 B CN 103029730B CN 201210404084 A CN201210404084 A CN 201210404084A CN 103029730 B CN103029730 B CN 103029730B
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- Prior art keywords
- connecting rod
- hinged
- hand
- bar
- front bar
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- 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.)
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- 230000007246 mechanism Effects 0.000 title claims abstract description 44
- 230000000694 effects Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Handcart (AREA)
Abstract
The invention discloses a folding mechanism of a handcart. The handcart comprises a front wheel group and a rear wheel group at least. The folding mechanism comprises a connecting rod, a first connecting rod, a second connecting rod, a carrier frame, a front rod and a bottom connecting rod, wherein the connecting rod is connected between the front wheel group and the rear wheel group; one ends of the first connecting rod and the second connecting rod are respectively hinged with the connecting rod, the carrier frame is hinged with the other end of the first connecting rod, and the front rod is hinged with the other end of the second connecting rod; the bottom end of the front rod is hinged with the bottom connecting rod; the carrier frame is hinged with the front rod; and the other end of the bottom connecting rod is hinged with the connecting rod or a shaft rod in the front wheel group. The folding mechanism further comprises a folding control mechanism for controlling and maintaining a folding state after the front rod, the carrier frame, the first connecting rod, the second connecting rod and the bottom connecting rod are folded in a linkage way. As the folding control mechanism is arranged in the folding mechanism, the handcart is more convenient to fold and carry. The folding mechanism can be conveniently controlled through the arrangement of a press key. The main body as well as a push handle can be folded, so that the space can be saved to an utmost extent.
Description
Technical field
The present invention relates to a kind of hand barrow, especially relate to hand barrow fold mechanism.
Background technology
Hand barrow can place seat, hand basket or automobile seat on skeleton, is mainly used in taking or placing articles for child.Existing handcart frame includes vehicle frame, front-wheel connecting rod, front bar and hand handle, front-wheel connecting rod is provided with front wheels, be provided with rear wheels bottom Rear frame, front-wheel connecting rod is connected by bottom bar with Rear frame, hand handle and front vehicle frame can be folded to Rear frame rotation.But there is folding inconvenient problem in these fold mechanisms.For a long time, how hand barrow is folded, folding and open conveniently, so that carry, is hand barrow industry, the problem that all the time will solve.
Summary of the invention
For the deficiency that prior art exists, the invention provides a kind of hand barrow fold mechanism that car body can be folded.
The present invention adopts following technical scheme to realize: a kind of hand barrow fold mechanism, and described hand barrow at least comprises: front wheels; Rear wheels; Described fold mechanism comprises: be connected to the pipe link between front wheels and rear wheels; First connecting rod, second connecting rod that one end is hinged with pipe link respectively, the luggage carrier hinged with the first connecting rod other end, the front bar hinged with the second connecting rod other end, the end connecting rod hinged with its bottom of front bar, luggage carrier and front bar hinged, the end connecting rod other end and pipe link is hinged or hinged with the axostylus axostyle in front wheels; Also comprise front bar, luggage carrier, first connecting rod, second connecting rod, end connecting rod together interlock folding after, control the folding control mechanism keeping folded state.
Wherein, described folding control mechanism by the hook groove be located on second connecting rod, and can be movable, the hook that can hook described hook groove forms.
Wherein, its inner hollow of described front bar, front bar is provided with pull bar in its inside, and hook is located at pull bar one end, and hook stretches out the external world from the opening being located at front bar outer wall, and the pull bar other end and handle are connected together, and handle exposes to outside front bar.
Wherein, folding control mechanism also comprises button, and button is connected with interlock bar, and described handle is provided with the sliding tray that interlock bar can be allowed to stretch into and then make handle energy movable after interlock bar moves.
Wherein, described pipe link is provided with bearing, and its one end of described first connecting rod is hinged by described bearing and pipe link, its one end of described second connecting rod pass through described bearing and pipe link hinged.
Wherein, described bearing is provided with mobilizable inserts, and inserts is provided with semicircle groove, and front bar is provided with and stretches into part when what embed described semicircle groove after front bar activity.
Wherein, elastic component is provided with between bearing and inserts.
Wherein, front bar is provided with and can limits hand-pushing handle rotational angle and realize the folding rotation controling mechanism of hand-pushing handle.
Wherein, rotation controling mechanism is shaken hands to form with the locating part be located on hand-pushing handle by mobilizable hand-pushing handle, and described locating part is provided with to be shaken hands to contact with hand-pushing handle and can limit the projection that hand-pushing handle rotates.
Compared with prior art, the present invention has following beneficial effect:
Fold mechanism of the present invention is provided with folding control mechanism, make front bar, luggage carrier, first connecting rod, second connecting rod, the end connecting rod folding rear maintenance locking folded state of interlock together, after folding control mechanism activity, front bar, luggage carrier, first connecting rod, second connecting rod, end connecting rod just can open recurrence normal condition, hand push machine is folded, carry convenient.Be provided with button and conveniently can control fold mechanism.Main body of the present invention can fold, and hand-pushing handle also can fold, can conserve space to greatest extent.
Accompanying drawing explanation
Fig. 1, Fig. 2 are the perspective view of the different vision of hand barrow;
Fig. 3, Fig. 4 are the perspective view of the different folded state of hand barrow;
Fig. 5, Fig. 6, Fig. 7 are the structural representation of hand barrow under section components decomposing state.
Detailed description of the invention
Shown in composition graphs 1, Fig. 2 and Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the hand barrow that the present invention proposes comprises: front wheels; Rear wheels; Described fold mechanism comprises: be connected to the pipe link 1 between front wheels and rear wheels; First connecting rod 2, second connecting rod 3 that one end is hinged with pipe link 1 respectively, the luggage carrier 6 hinged with first connecting rod 1 other end, the front bar 4 hinged with second connecting rod 3 other end, the end connecting rod 5 hinged with its bottom of front bar 4, luggage carrier 6 is hinged with front bar 4, end connecting rod 5 other end and pipe link 1 is hinged or hinged with the axostylus axostyle 7 in rear wheels; Also comprise front bar 4, luggage carrier 6, first connecting rod 2, second connecting rod 3, end connecting rod 5 together interlock folding after, control the folding control mechanism keeping folded state.
Described folding control mechanism is formed by being located at second connecting rod 3 groove 8 of rising to the bait, and can be movable, and the hook 9 that can hook described hook groove 8 after front bar 4, luggage carrier 6, first connecting rod 2, second connecting rod 3, end connecting rod 5 together interlock fold is formed.Described its inner hollow of front bar 4, front bar 4 is provided with pull bar 10 in its inside, and hook 9 is located at pull bar 10 one end, and hook 9 stretches out the external world from the opening being located at front bar 4 outer wall, and pull bar 10 other end is connected together with handle 11, and handle 11 exposes to outside front bar 4.Such handle 11 can be located at the convenient place controlled.
Folding control mechanism also comprises button 13, and button 13 is connected with interlock bar 15, and described handle 11 is provided with after interlock bar 15 moves and interlock bar 15 can be allowed to stretch into, and then the sliding tray 16 making handle 11 energy movable.Like this, only have button 13 to after pulling, interlock bar 15 could aim at sliding tray 16, and interlock bar 15 just can stretch into sliding tray 16, and handle 11 just can be made from the stop of interlock bar 15, and handle 11 could be pulled by external force.
In the shell that hand-pushing handle 12 is installed on shell 141, shell 142 is formed, front bar 4 is provided with and can limits hand-pushing handle 12 rotational angle and realize the folding rotation controling mechanism of hand-pushing handle 12, described rotation controling mechanism by mobilizable hand-pushing handle shake hands 19 be located at hand-pushing handle 12 upper limit part 14 and form, described locating part 14 is provided with to shake hands with hand-pushing handle 19 to contact the projection that can limit hand-pushing handle 12 and rotate.After hand-pushing handle handle 19 pulls, hand-pushing handle 12 could rotate, and could fold hand-pushing handle 12.
Wherein, pipe link 1 is provided with bearing 17, described its one end of first connecting rod 2 and described bearing 17 hinged, described its one end of second connecting rod 3 and described bearing 17 hinged.
Wherein, bearing 17 is provided with mobilizable inserts 18, and inserts 18 is provided with semicircle groove, and what front bar 4 was provided with after front bar 4 the is opened described semicircle groove of embedding stretches into part.After hand barrow is opened, stretch into part and be embedded in semicircle groove.Be provided with spring between inserts 18 and bearing 17, can play reset role.
As Fig. 3, when Fig. 4 needs Folding trolley, button 13 to movable on one side, such handle can to the stop from interlock bar 15, can be upwards movable, at this moment can handle 11 to pull-up, handle 11 drives with the pull bar 10 of its interlock toward rising, now the semicircle groove stretched on part disengaging inserts 18 in front bar 4 is impelled in pull bar 10 bottom, by front bar 4 toward pressing down, by front bar 4, luggage carrier 6, first connecting rod 2, second connecting rod 3, end connecting rod 5 together interlock folding after, hook 9 hooks in hook groove 8, then hand-pushing handle is pulled to shake hands 19, rotate hand-pushing handle 12, so just achieve the folded state of hand barrow.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a hand barrow fold mechanism, described hand barrow at least comprises: front wheels; Rear wheels; It is characterized in that, described fold mechanism comprises: be connected to the pipe link between front wheels and rear wheels; First connecting rod, second connecting rod that one end is hinged with pipe link respectively, the luggage carrier hinged with the first connecting rod other end, the front bar hinged with the second connecting rod other end, the end connecting rod hinged with its bottom of front bar, luggage carrier and front bar hinged, the end connecting rod other end and pipe link is hinged or hinged with the axostylus axostyle in front wheels; Also comprise front bar, luggage carrier, first connecting rod, second connecting rod, end connecting rod together interlock folding after, control the folding control mechanism keeping folded state.
2. hand barrow fold mechanism according to claim 1, is characterized in that, described folding control mechanism by the hook groove be located on second connecting rod, and can be movable, the hook that can hook described hook groove forms.
3. hand barrow fold mechanism according to claim 2, it is characterized in that, its inner hollow of described front bar, front bar is provided with pull bar in its inside, hook is located at pull bar one end, hook stretches out the external world from the opening being located at front bar outer wall, and the pull bar other end and handle are connected together, and handle exposes to outside front bar.
4. hand barrow fold mechanism according to claim 3, it is characterized in that, folding control mechanism also comprises button, and button is connected with interlock bar, and described handle is provided with interlock bar to be allowed after interlock bar moves to stretch into and then make sliding tray that handle can be movable.
5. hand barrow fold mechanism according to claim 1, it is characterized in that, described pipe link is provided with bearing, and its one end of described first connecting rod is hinged by described bearing and pipe link, its one end of described second connecting rod pass through described bearing and pipe link hinged.
6. hand barrow fold mechanism according to claim 5, it is characterized in that, described bearing is provided with mobilizable inserts, and inserts is provided with semicircle groove, and front bar is provided with and stretches into part when what embed described semicircle groove after front bar activity.
7. hand barrow fold mechanism according to claim 6, is characterized in that, be provided with elastic component between bearing and inserts.
8. hand barrow fold mechanism according to claim 1, is characterized in that, front bar is provided with and can limits hand-pushing handle rotational angle and realize the folding rotation controling mechanism of hand-pushing handle.
9. hand barrow fold mechanism according to claim 8, it is characterized in that, rotation controling mechanism is shaken hands to form with the locating part be located on hand-pushing handle by mobilizable hand-pushing handle, and described locating part is provided with to be shaken hands to contact with hand-pushing handle and can limit the projection that hand-pushing handle rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210404084.6A CN103029730B (en) | 2012-10-22 | 2012-10-22 | Folding mechanism of handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210404084.6A CN103029730B (en) | 2012-10-22 | 2012-10-22 | Folding mechanism of handcart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103029730A CN103029730A (en) | 2013-04-10 |
| CN103029730B true CN103029730B (en) | 2015-06-03 |
Family
ID=48017259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210404084.6A Expired - Fee Related CN103029730B (en) | 2012-10-22 | 2012-10-22 | Folding mechanism of handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103029730B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002002B (en) * | 2019-04-24 | 2024-01-16 | 新乡市永安机械设备有限公司 | Folding bracket for helicopter |
| US11897534B2 (en) | 2020-10-14 | 2024-02-13 | Graco Children's Products, Inc. | Wagon stroller, systems, and methods |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159913Y (en) * | 1993-04-02 | 1994-03-30 | 罗嘉 | Folding stair climbing multi-purpose luggage cart |
| DE10204478A1 (en) * | 2002-02-05 | 2003-08-21 | Peter Hirschmann | Multi-function mobile device has handle and front and rear part with wheels and convertible between scooter position with step board and a trolley and caddy position with operating handle |
| CN201533975U (en) * | 2009-09-29 | 2010-07-28 | 王本寰 | Folding golf cart |
| DE202010003434U1 (en) * | 2010-03-10 | 2011-08-02 | Resint N.V. | Mobile device |
| CN202294895U (en) * | 2011-09-28 | 2012-07-04 | 李从道 | Full-foldable trolley |
| CN202345740U (en) * | 2011-11-10 | 2012-07-25 | 李从道 | Hand-pushing wheel group folding mechanism |
| CN202911769U (en) * | 2012-10-22 | 2013-05-01 | 李从道 | Handcart folding mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0022104D0 (en) * | 2000-09-08 | 2000-10-25 | Crisp David | Collapsible pushchair/carrier |
| AU2003902058A0 (en) * | 2003-04-30 | 2003-05-15 | Golias, Matthew | Collapsible supporting structure |
-
2012
- 2012-10-22 CN CN201210404084.6A patent/CN103029730B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159913Y (en) * | 1993-04-02 | 1994-03-30 | 罗嘉 | Folding stair climbing multi-purpose luggage cart |
| DE10204478A1 (en) * | 2002-02-05 | 2003-08-21 | Peter Hirschmann | Multi-function mobile device has handle and front and rear part with wheels and convertible between scooter position with step board and a trolley and caddy position with operating handle |
| CN201533975U (en) * | 2009-09-29 | 2010-07-28 | 王本寰 | Folding golf cart |
| DE202010003434U1 (en) * | 2010-03-10 | 2011-08-02 | Resint N.V. | Mobile device |
| CN202294895U (en) * | 2011-09-28 | 2012-07-04 | 李从道 | Full-foldable trolley |
| CN202345740U (en) * | 2011-11-10 | 2012-07-25 | 李从道 | Hand-pushing wheel group folding mechanism |
| CN202911769U (en) * | 2012-10-22 | 2013-05-01 | 李从道 | Handcart folding mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103029730A (en) | 2013-04-10 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170413 Address after: 523000 Guangdong City, Dongguan Province, the town of Dali Village, Tai Po Star Road, building G, building No. two, building No. 39 Patentee after: DONGGUAN HONGSHUO CHILDREN PRODUCTS CO., LTD. Address before: 523000 room, power supply building, Qingxi Town, Guangdong, Dongguan, China, 1203 Patentee before: Li Congdao |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20181022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |