CN105292350A - Foldable push cart - Google Patents
Foldable push cart Download PDFInfo
- Publication number
- CN105292350A CN105292350A CN201510755678.5A CN201510755678A CN105292350A CN 105292350 A CN105292350 A CN 105292350A CN 201510755678 A CN201510755678 A CN 201510755678A CN 105292350 A CN105292350 A CN 105292350A
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- folding
- trailing wheel
- upper frame
- wheel
- vehicle frame
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Abstract
The invention discloses a foldable push cart. The foldable push cart comprises a lower cart frame, an upper cart frame, a front-wheel folding device, connecting rods and rear-wheel folding structures, the upper cart frame is pivoted to the rear end of the lower cart frame, the front-wheel folding device is pivoted to the front end of the lower cart frame, each rear-wheel folding structure is arranged between the lower end of the upper cart frame and a corresponding rear wheel, the front ends of the connecting rods are pivoted to the front-wheel folding device, and the rear ends of the connecting rods are pivoted to the upper cart frame. When the foldable push cart is folded, the upper cart frame is rotated downward, the front-wheel folding device is driven to move through the connecting rods, so that a front wheel is folded inward for being flattened, and meanwhile the rear wheels are folded inward for being flattened through the rear-wheel folding structures. The foldable push cart has the advantages of being simple in structure, convenient to fold and small in size after being folded.
Description
Technical field
The present invention relates to a kind of folded bicycle, particularly relate to a kind of Folding trolley that simultaneously can be folded flat front and rear wheel.
Background technology
Foldable wheelbarrow is all much Three-wheel type structure, namely has a front-wheel and two trailing wheels, by arranging Folding device on front-wheel and trailing wheel, just can realize the folding to car body; But the folding structure of existing go-cart is all independent operation substantially, namely when folding, need first to operate front-wheel Folding device to front-wheel folding, then it is folding to trailing wheel to operate trailing wheel Folding device, such control step is many, and folding is extremely inconvenient.
And wheel is just drawn close to vehicle body by the folding result of existing Folding device, reach the object reducing volume, but, after vehicle body folding becomes flat form, because wheel is still in vertical state, therefore, car load volume still seems very large, and the volume after folding reduces unsatisfactory.
Based on above-mentioned deficiency, need a kind of folding simple, convenient, the Folding trolley that after folding, volume is little.
Summary of the invention
The object of the present invention is to provide a kind of folding simple, convenient, the Folding trolley that after folding, volume is little.
To achieve these goals, Folding trolley provided by the invention comprises lower vehicle frame, upper frame, front wheel retracting apparatus, connecting rod and trailing wheel folding structure, described upper frame is articulated in the rear end of described lower vehicle frame, described front wheel retracting apparatus is articulated in the front end of described lower vehicle frame, between the lower end that described trailing wheel folding structure is arranged at described upper frame and trailing wheel, the front end of described connecting rod is articulated in described front wheel retracting apparatus, and the rear end of described connecting rod is articulated in described upper frame; During folding, described upper frame rotates, and drives described front wheel retracting apparatus action by described connecting rod, to make the inside folding of described front-wheel and to be folded flat, meanwhile, by described trailing wheel folding structure, described trailing wheel is inwardly folded flat.
Compared with prior art, because the present invention arranges front wheel retracting apparatus in the front end of described lower vehicle frame, in the lower end of described upper frame, trailing wheel folding structure is set, and by arranging a connecting rod, the front end of described connecting rod is made to be articulated in described front wheel retracting apparatus, the rear end of described connecting rod is articulated in described upper frame, thus make described upper frame rotate and by while described trailing wheel folding structure folding trailing wheel by described front wheel retracting apparatus folding front-wheel, effectively reduce folding step, folding is simple, convenient, and all wheel foldings can be made to become horizontality, greatly reduce and take volume, it is very convenient to make to carry.
Preferably, described trailing wheel folding structure comprises pull bar, bottom reversed from trailing wheel to described lower vehicle frame be articulated in described lower vehicle frame, described pull bar is arranged between the lower end of described trailing wheel and described upper frame, is respectively equipped with ball head universal between the two ends of described pull bar and described trailing wheel and described upper frame; During folding, described upper frame rotates, and the lower end of described upper frame drives described pull bar by described ball head universal, drives described trailing wheel to be inwardly folded flat to make described pull bar.Due to by bottom reversed from described trailing wheel to described lower vehicle frame be articulated in described lower vehicle frame, therefore by arranging a pull bar, described pull bar is made to connect the lower end of described upper frame and described trailing wheel, and, by being respectively equipped with ball head universal between described pull bar and described trailing wheel and between described pull bar and described upper frame, described ball head universal and described pull bar can realize when described upper frame lower end is rotated the inside pulling force of described trailing wheel, thus while described upper frame rotates folding, described trailing wheel is driven inwardly to be folded flat by pull bar, realize the folding of described trailing wheel, folding structure is very simple, convenient folding.
Preferably, described trailing wheel is provided with tumbler, described trailing wheel and described tumbler pivot joint, and described lower vehicle frame is fixed with connecting element, and described tumbler is articulated in described connecting element, and pivot joint center shaft is arranged along the fore-and-aft direction of folded bicycle.By arranging described tumbler and described connecting element, the realization of described trailing wheel can be made to be articulated in described lower vehicle frame to the bottom reversed of described lower vehicle frame.
Particularly, described tumbler has limiting section described in upper and lower two, and described limiting section rotates tumbler described in limit at described tumbler relative to described connecting element, switches between vertical state or horizontality to make described trailing wheel.By arranging described limiting section, described trailing wheel can be made to realize the conversion of two kinds of different conditions fast, structure is simple, and ensures the accuracy of conversion.
Preferably, the rear end of described lower vehicle frame is provided with the first holder, and when the relatively described lower vehicle frame of described upper frame launches, described first holder clamps the lower end of described upper frame.
Particularly, the rear end of described lower vehicle frame is fixed with stacker, the upper end of described stacker and described upper frame pivot joint, and the lower end of described stacker is provided with described first holder.
Preferably, described front wheel retracting apparatus comprises rotation fixed block, anchor shaft, gear, fluted disc and front wheel carrier, on the axostylus axostyle that described rotation fixed block is articulated in the front end of described lower vehicle frame and one end and described connecting rod pivot joint, described gear is fixed on described axostylus axostyle, described anchor shaft is fixed on described rotation fixed block, and described fluted disc is socketed on described anchor shaft rotationally, and described fluted disc and described gears meshing, described front wheel carrier and described fluted disc are fixed, and described front wheel carrier installs described front-wheel.
Preferably, described upper frame has the first cross bar, and described first cross bar is provided with pivot connecting seat, the rear end pivot joint of described pivot connecting seat and described connecting rod.
Particularly, described lower vehicle frame has the second cross bar, and the rear end of described rotation fixed block has the second holder, and described second holder is held on described second cross bar.
Accompanying drawing explanation
Constitution diagram when Fig. 1 is the expansion of Folding trolley of the present invention.
Fig. 2 is the plan structure figure of Folding trolley of the present invention.
Fig. 3 is the constructional drawing of the trailing wheel of Folding trolley of the present invention.
Fig. 4 is the enlarged drawing of part A in Fig. 3.
Fig. 5 is the enlarged drawing of part B in Fig. 2.
Constitution diagram when Fig. 6 is the complete folding of Folding trolley of the present invention.
Detailed description of the invention
For describing technology contents of the present invention, structural attitude, the effect that realizes in detail, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
As shown in Figure 1 and Figure 2, Folding trolley 100 of the present invention comprises lower vehicle frame 1, upper frame 2, front wheel retracting apparatus 3, connecting rod 4 and trailing wheel folding structure 5, described upper frame 2 is articulated in the rear end of described lower vehicle frame 1, described front wheel retracting apparatus 3 is articulated in the front end of described lower vehicle frame 1, the front end of described connecting rod 4 is articulated in described front wheel retracting apparatus 3, and the rear end of described connecting rod 4 is articulated in described upper frame 2; Described trailing wheel folding structure 5 is arranged between trailing wheel 7 and described upper frame 2, described Folding trolley 100 has two trailing wheels 7, therefore, use two groups of trailing wheel folding structures 5, and, by making the lower end of described upper frame 2 extend both ends to trailing wheel folding structure 5 described in two, thus make described upper frame 2 control trailing wheel folding structure 5 described in two simultaneously; During folding, described upper frame 2 rotates, and drives the action of described front wheel retracting apparatus 3 by described connecting rod 4, to make the inside folding of described front-wheel 6 and to be folded flat, meanwhile, by trailing wheel folding structure 5 described in two, trailing wheel 7 described in two is inwardly folded flat.
Again as shown in Figures 3 and 4, particularly, described trailing wheel folding structure 5 comprises pull bar 51, described pull bar 51 is arranged between described trailing wheel 7 and the lower end of described upper frame 2, the first ball head universal 52 is provided with between one end of described pull bar 51 and described trailing wheel 7, described trailing wheel 7 is provided with tumbler 54, described trailing wheel 7 and the pivot joint of described tumbler 54, one end of described first ball head universal 52 is connected with described tumbler 54, and the other end of described first ball head universal 52 is connected with one end of described pull bar 51; The second ball head universal 53 is provided with between the other end of described pull bar 51 and described upper frame 2, the other end of described pull bar 51 is connected with one end of described second ball head universal 53, and the other end of described second ball head universal 53 is connected with the lower end of described lower vehicle frame 1.Described lower vehicle frame 1 is fixed with connecting element 55, and described tumbler 54 is articulated in described connecting element 55, and pivot joint center shaft is arranged along the fore-and-aft direction of folded bicycle.By arranging described tumbler 54 and described connecting element 55, can make described trailing wheel 7 realize to described lower vehicle frame 1 bottom reversed be articulated in described lower vehicle frame 1.During folding, described upper frame 2 rotates, and the lower end of described upper frame 2 drives described pull bar 51 by described second ball head universal 53, drives described trailing wheel 7 to be inwardly folded flat to make described pull bar 51.
Refer to Fig. 4 again, described tumbler 54 has limiting section 54a described in upper and lower two, and described limiting section 54a rotates tumbler 54 described in limit at described tumbler 54 relative to described connecting element 55; When described tumbler 54 is left and right state with described connecting element 55, the limiting section 54a and the described connecting element 55 that are positioned at top are supported, and at this moment described trailing wheel 7 is in vertical state; When described tumbler 54 is up/down state with described connecting element 55, the limiting section 54a and the described connecting element 55 that are positioned at below are supported, and at this moment described trailing wheel 7 is the level of state.By arranging described limiting section 54a, described trailing wheel 7 can be made to realize the conversion of two kinds of different conditions fast, structure is simple, and ensures the accuracy of conversion.
Refer to Fig. 4 again, the rear end of described lower vehicle frame 1 is fixed with stacker 11, the upper end of described stacker 11 and described upper frame 2 pivot joint, pivoting point is a, the lower end of described stacker 11 is provided with described first holder 11a, when the relatively described lower vehicle frame 1 of described upper frame 2 launches, described first holder 11a clamps the lower end of described upper frame 2.
For another example Fig. 2 and Fig. 5, described front wheel retracting apparatus 3 comprises rotation fixed block 31, anchor shaft 32, gear 33, fluted disc 34 and front wheel carrier 35, the axostylus axostyle 12 that described rotation fixed block 31 is articulated in the front end of described lower vehicle frame 1 states one end and described connecting rod 4 pivot joint of rotating fixed block 31, described gear 33 is fixed on described axostylus axostyle 12, described anchor shaft 32 is fixed on described rotation fixed block 31, described anchor shaft 32 is vertical with described axostylus axostyle 12, described fluted disc 34 is socketed on described anchor shaft 32 rotationally, the card of described fluted disc 34 and the plane orthogonal of described gear 33, described fluted disc 34 is engaged with described gear 33, described front wheel carrier 35 is fixed with described fluted disc 34, described front wheel carrier 35 installs described front-wheel 6.
Refer to Fig. 2 and Fig. 5 again, described upper frame 2 has the first cross bar 21, and described first cross bar 21 is positioned on described pivoting point a, and described first cross bar 21 is provided with pivot connecting seat 22, the rear end pivot joint of described pivot connecting seat 22 and described connecting rod 4.Described lower vehicle frame 1 has the second cross bar 13, and the rear end of described rotation fixed block 31 has the second holder 31a, and described second holder 31a is held on described second cross bar 13.
Comprehensively above-mentioned and composition graphs 6, is described in detail the folding principle of Folding trolley 100 of the present invention below, as follows:
During folding, rotate described upper frame 2, described upper frame 2 is drawn close to described lower vehicle frame 1, at this moment, described first cross bar 21 promotes described connecting rod 4, described connecting rod 4 is moved forward, described connecting rod 4 drives described rotation fixed block 31, described rotation fixed block 31 is rotated around described axostylus axostyle 12, thus described front wheel carrier 35 and front-wheel 6 are overturn to the bottom surface of described lower vehicle frame 1, meanwhile, described fluted disc 34 drives described front wheel carrier 35 and front-wheel 6 to rotate around described anchor shaft 32 under the driving of described gear 33; When described front wheel carrier 35 and front-wheel 6 overturn completely in described lower vehicle frame 1 time, described front-wheel 6 rotates 90 degree, becomes horizontality roughly from vertical State Transferring.In addition, while described upper frame 2 rotates, the lower end of described upper frame 2 is upwards rotated, at this moment the lower end of described upper frame 2 drives described tumbler 54 by described second ball head universal 53, pull bar 51 and the first ball head universal 52, described tumbler 54 turns to the below of described connecting element 55, thus described trailing wheel 7 is folded flat from vertical state to the lower bottom part of described lower vehicle frame 1, be namely converted into horizontality roughly.Described Folding trolley 100 completely folding time, described in described front-wheel 6 and two, trailing wheel 7 is positioned at the lower bottom part of described lower vehicle frame 1 and is in horizontality.
Compared with prior art, due to the present invention by bottom reversed from described trailing wheel 7 to described lower vehicle frame 1 be articulated in described lower vehicle frame 1, therefore by arranging a pull bar 51, described pull bar 51 is made to connect lower end and the described trailing wheel 7 of described upper frame 2, and, by being respectively equipped with the first ball head universal 52 and the second ball head universal 53 between described pull bar 51 and described trailing wheel 7 and between described pull bar 51 and described upper frame 2, two ball head universals and described pull bar 51 can realize when described upper frame 2 lower end is rotated the inside pulling force of described trailing wheel 7, thus while described upper frame 2 rotates folding, described trailing wheel 7 is driven inwardly to be folded flat by pull bar 51, realize the folding of described trailing wheel 7, in addition, again front wheel retracting apparatus 3 is set in the front end of described lower vehicle frame 1, by a connecting rod 4, described upper frame 2 is connected with described front wheel retracting apparatus 3, thus the front-wheel of folding simultaneously 6 when making described upper frame 2 rotate folding trailing wheel 7, decrease folding step, folding is simple, convenient, and all wheel foldings can be made to become horizontality, greatly reduce and take volume, it is very convenient to make to carry.
Above disclosedly be only preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (9)
1. a Folding trolley, it is characterized in that: comprise lower vehicle frame, upper frame, front wheel retracting apparatus, connecting rod and trailing wheel folding structure, described upper frame is articulated in the rear end of described lower vehicle frame, described front wheel retracting apparatus is articulated in the front end of described lower vehicle frame, between the lower end that described trailing wheel folding structure is arranged at described upper frame and trailing wheel, the front end of described connecting rod is articulated in described front wheel retracting apparatus, and the rear end of described connecting rod is articulated in described upper frame; During folding, described upper frame rotates, and drives described front wheel retracting apparatus action by described connecting rod, to make the inside folding of described front-wheel and to be folded flat, meanwhile, by described trailing wheel folding structure, described trailing wheel is inwardly folded flat.
2. Folding trolley as claimed in claim 1, it is characterized in that: described trailing wheel folding structure comprises pull bar, bottom reversed from trailing wheel to described lower vehicle frame be articulated in described lower vehicle frame, described pull bar is arranged between the lower end of described trailing wheel and described upper frame, is respectively equipped with ball head universal between the two ends of described pull bar and described trailing wheel and described upper frame; During folding, described upper frame rotates, and the lower end of described upper frame drives described pull bar by described ball head universal, drives described trailing wheel to be inwardly folded flat to make described pull bar.
3. Folding trolley as claimed in claim 2, it is characterized in that: described trailing wheel is provided with tumbler, described trailing wheel and described tumbler pivot joint, described lower vehicle frame is fixed with connecting element, described tumbler is articulated in described connecting element, and pivot joint center shaft is arranged along the fore-and-aft direction of folded bicycle.
4. Folding trolley as claimed in claim 3, it is characterized in that: described tumbler has limiting section described in upper and lower two, described limiting section rotates tumbler described in limit at described tumbler relative to described connecting element, switches between vertical state or horizontality to make described trailing wheel.
5. Folding trolley as claimed in claim 1, is characterized in that: the rear end of described lower vehicle frame is provided with the first holder, and when the relatively described lower vehicle frame of described upper frame launches, described first holder clamps the lower end of described upper frame.
6. Folding trolley as claimed in claim 5, it is characterized in that: the rear end of described lower vehicle frame is fixed with stacker, the upper end of described stacker and described upper frame pivot joint, the lower end of described stacker is provided with described first holder.
7. Folding trolley as claimed in claim 1, it is characterized in that: described front wheel retracting apparatus comprises rotation fixed block, anchor shaft, gear, fluted disc and front wheel carrier, on the axostylus axostyle that described rotation fixed block is articulated in the front end of described lower vehicle frame and one end and described connecting rod pivot joint, described gear is fixed on described axostylus axostyle, described anchor shaft is fixed on described rotation fixed block, described fluted disc is socketed on described anchor shaft rotationally, and described fluted disc and described gears meshing, described front wheel carrier and described fluted disc are fixed, and described front wheel carrier installs described front-wheel.
8. Folding trolley as claimed in claim 1, it is characterized in that: described upper frame has the first cross bar, described first cross bar is provided with pivot connecting seat, the rear end pivot joint of described pivot connecting seat and described connecting rod.
9. Folding trolley as claimed in claim 7, it is characterized in that: described lower vehicle frame has the second cross bar, the rear end of described rotation fixed block has the second holder, and described second holder is held on described second cross bar.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755678.5A CN105292350B (en) | 2015-11-09 | 2015-11-09 | Folding trolley |
| US29/559,424 USD794896S1 (en) | 2015-11-09 | 2016-03-28 | Push cart for golf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755678.5A CN105292350B (en) | 2015-11-09 | 2015-11-09 | Folding trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105292350A true CN105292350A (en) | 2016-02-03 |
| CN105292350B CN105292350B (en) | 2017-11-21 |
Family
ID=55190349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510755678.5A Active CN105292350B (en) | 2015-11-09 | 2015-11-09 | Folding trolley |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | USD794896S1 (en) |
| CN (1) | CN105292350B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD787982S1 (en) * | 2015-12-08 | 2017-05-30 | Cutting Edge Products LLC | Self-balancing two-wheeled scooter |
| USD846221S1 (en) * | 2017-01-24 | 2019-04-16 | Bordeso B.V. | Trolley for golf bag |
| USD854773S1 (en) * | 2017-12-21 | 2019-07-23 | Björn Hillesheim | Golf trolley |
| USD870408S1 (en) * | 2018-06-29 | 2019-12-17 | Powakaddy International Limited | Collapsible golf cart |
| USD904713S1 (en) * | 2019-04-30 | 2020-12-08 | B & B Best Industrial Co., Ltd. | Frame for a hand cart |
| USD962580S1 (en) * | 2020-04-22 | 2022-08-30 | Powakaddy International Limited | Collapsible golf trolley |
| USD1001407S1 (en) | 2022-01-17 | 2023-10-10 | JANUS Golf Made (ShenZhen) CO., LTD | Golf push cart |
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| USD556414S1 (en) * | 2006-03-27 | 2007-11-27 | Ted Gold Equipment Co., Ltd. | Golf cart |
| USD570571S1 (en) * | 2007-06-04 | 2008-06-03 | Unique Product & Design Co., Ltd. | Golf cart |
| USD599522S1 (en) * | 2008-10-30 | 2009-09-01 | Sports World Enterprise Co., Ltd. | Golf cart |
| USD638601S1 (en) * | 2010-08-25 | 2011-05-24 | Wen-Tsan Lin | Golf cart |
| USD648913S1 (en) * | 2011-02-28 | 2011-11-15 | Ho Siu Fung | Golf trolley |
| USD657522S1 (en) * | 2011-07-18 | 2012-04-10 | Unique Product & Design Co., Ltd. | Golf cart |
| USD657524S1 (en) * | 2011-08-18 | 2012-04-10 | Unique Product & Design Co., Ltd. | Golf cart |
| USD664732S1 (en) * | 2011-11-07 | 2012-07-31 | Unique Product & Design Co., Ltd. | Golf cart |
| TWD156478S (en) * | 2012-11-05 | 2013-10-21 | 皇田工業股份有限公司; | Golf Cart |
| USD709663S1 (en) * | 2013-04-10 | 2014-07-22 | Seawest Technologies Pte Ltd | Foldable trolley |
| USD767845S1 (en) * | 2014-03-10 | 2016-09-27 | Kevin Kimberley | Golf cart |
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2015
- 2015-11-09 CN CN201510755678.5A patent/CN105292350B/en active Active
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2016
- 2016-03-28 US US29/559,424 patent/USD794896S1/en active Active
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| CN201350315Y (en) * | 2008-12-24 | 2009-11-25 | 稳正企业股份有限公司 | Golf bag cart front wheel retracting device |
| EP2514661B1 (en) * | 2011-04-19 | 2013-12-11 | Tim Ascheberg | Three wheel roller |
| CN202136756U (en) * | 2011-05-19 | 2012-02-08 | 稳正企业股份有限公司 | Front wheel folding device of golf bag cart |
| CN202654637U (en) * | 2012-04-06 | 2013-01-09 | 稳正企业股份有限公司 | Folding device for tri-folded three-wheeled golf bag vehicle |
| CN202892834U (en) * | 2012-05-29 | 2013-04-24 | 稳正企业股份有限公司 | Front wheel retracting device of three-wheel trolley |
| US20150076776A1 (en) * | 2013-09-13 | 2015-03-19 | Lerado (Zhong Shan) Industrial Co., Ltd. | Jogging stroller frame with a front wheel automatic flattening folding mechanism |
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Also Published As
| Publication number | Publication date |
|---|---|
| USD794896S1 (en) | 2017-08-15 |
| CN105292350B (en) | 2017-11-21 |
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