CN103072612B - A kind of can the children trolley of single double conversion - Google Patents
A kind of can the children trolley of single double conversion Download PDFInfo
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- CN103072612B CN103072612B CN201310002025.0A CN201310002025A CN103072612B CN 103072612 B CN103072612 B CN 103072612B CN 201310002025 A CN201310002025 A CN 201310002025A CN 103072612 B CN103072612 B CN 103072612B
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- push rod
- children trolley
- frame
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000012856 packing Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Handcart (AREA)
Abstract
The invention discloses a kind of can the children trolley of single double conversion, it comprises stroller frame, front and back wheel assembly, seat mechanism, stroller frame comprises front-wheel support, push rod, rear wheel support and lower supporter, wherein lower supporter comprises the bottom bar be connected with rear wheel support with front-wheel support, the bottom of push rod is connected with bottom bar, the upper end of rear wheel support is connected with push rod, and front component is arranged on the bottom of front-wheel support, and the spacing of front component and wheel assembly is adjustably arranged; Seat mechanism comprises front seats frame and back seat frame, front seats frame comprise be positioned at both sides front rack, be arranged on for connecting the front seats connecting portion of front seats on front rack, front rack to be arranged on lower supporter and to have the state packed up relative to lower supporter and open; Back seat frame comprises the back seat connecting portion being arranged on push rod, rear wheel support or the junction of the two.The switching of the present invention between go-cart one-seater and Double-seat is very simple, convenient, and folding volume is little.
Description
Technical field
The present invention relates to a kind of can the children trolley of single double conversion.
Background technology
Compare traditional one-seater children trolley and Double-seat children trolley, can the children trolley of single double conversion due in function and the advantage in economizing on resources, and be subject to the favor of more customers.Project organization is simple, easy to operate, cost is low can the children trolley of single double conversion be the target that this type of cart design person pursues, and is also the key making such go-cart product have the market competitiveness simultaneously.
Summary of the invention
Technical matters to be solved by this invention be to provide a kind of structure simple, easy to operate can the children trolley of single double conversion.
For solving above technical matters, the present invention adopts following technical scheme:
A kind of can the children trolley of single double conversion, comprise stroller frame, be separately positioned on front component and the wheel assembly of stroller frame front and rear part, seat mechanism, stroller frame comprises front-wheel support, be positioned at the push rod of both sides, be positioned at both sides and bottom is provided with the rear wheel support of wheel assembly, particularly, stroller frame also comprises lower supporter, described lower supporter comprises and is positioned at both sides and the bottom bar that is connected with rear wheel support with front-wheel support respectively of both ends, the bottom of push rod is connected with bottom bar, the upper end of rear wheel support is connected with push rod, front component is arranged on the bottom of front-wheel support, the spacing of front component and wheel assembly is adjustably arranged, seat mechanism comprises and to lay respectively on front side of stroller frame and the front seats frame of rear side and back seat frame, front seats frame comprise be positioned at both sides front rack, be arranged on for connecting the front seats connecting portion of front seats on front rack, front rack to be arranged on lower supporter and to have the state packed up relative to lower supporter and open, back seat frame comprises the back seat connecting portion being arranged on push rod, rear wheel support or the junction of the two.
Preferably, front rack comprise an end and bottom bar or front-wheel support rotate be connected shrinking connecting-rod, rotate with the other end of shrinking connecting-rod the front pressure pin be connected, front seats connecting portion is arranged on front pressure pin.
Further, front-wheel support has the side lever being positioned at both sides, and the rearward end of side lever can be arranged slidably along the length direction of bottom bar, and shrinking connecting-rod rotates with side lever and is connected, and the rotational axis line direction of the two is vertical with the direction of slip of side lever.When front rack relative to lower supporter from the state of packing up to the state variation opened time, the distance of front component and wheel assembly increases.
Preferably, front seats frame also comprise be arranged on both sides front rack between, by the front rack of both sides be connected tranverse connecting rod.
Preferably, front pressure pin and the rotational axis line between shrinking connecting-rod, rotational axis line between shrinking connecting-rod with side lever parallel.
An aspect concrete according to the present invention, front seats connecting portion with back seat connecting portion is respectively equipped with the front seats general purpose interface and back seat general purpose interface that can be connected seat.
Another aspect concrete according to the present invention, can rotate mutually between push rod with bottom bar with relative sliding be connected, the upper end of rear wheel support with rotate between push rod be connected, bottom to rotate with the rearward end of bottom bar and is connected.
Preferably, push rod to comprise between bottom with bottom bar and can rotate mutually and relative sliding the ground lower push-rod that is connected and the upper push-rod that can slide in lower push-rod.
More preferably, bottom bar being rotatably connected to adapter sleeve, through adapter sleeve, and can slide by adapter sleeve relatively in the bottom of push rod.
Due to the enforcement of above technical scheme, the present invention compared with prior art tool has the following advantages:
The present invention is respectively equipped with seat connecting portion in the side, front and back of go-cart, wherein the seat connecting portion of front side is designed to have and opens and collapsed state, simultaneously by adjustable for the distance between the front and back wheel assembly of go-cart, so, when children trolley is changed into Double-seat from one-seater, only front seats connecting portion is opened by the Distance geometry that need increase between front and back wheel assembly simultaneously, namely becomes Double-seat after connecting seat.The switching of go-cart between one-seater and Double-seat is very simple, convenient.Meanwhile, structure of the present invention is simple, and required rod member is less, particularly also easily realizes folding functional, and such as, according to the body frame structure for automotive that the present invention further provides, just conveniently go-cart can be folded into flat form, folding volume is little.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of children trolley according to the present invention when being in one-seater state;
Fig. 2 is the schematic front view of Fig. 1;
Fig. 3 be children trolley according to the present invention by one-seater state to the schematic perspective view in Double-seat state conversion process;
Fig. 4 is the schematic front view of Fig. 3;
Fig. 5 is the schematic perspective view of children trolley according to the present invention when being in Double-seat state;
Fig. 6 is the schematic front view of Fig. 5;
Fig. 7 is the schematic perspective view of children trolley according to the present invention when being in complete folded state;
Fig. 8 is the schematic front view of Fig. 7;
Wherein: 1, front component; 2, wheel assembly; 3, front-wheel support; 30, side lever; 4, push rod; 40, lower push-rod; 41, upper push-rod; 5, rear wheel support; 6, lower supporter; 60, bottom bar; 70, front rack; 700, shrinking connecting-rod; 701, front pressure pin; 71, front seats connecting portion; 710, front seats general purpose interface; 72, tranverse connecting rod; 80, back seat connecting portion; 800, back seat general purpose interface; 9, adapter sleeve.
Detailed description of the invention
As shown in Figures 1 to 8, the children trolley of single double conversion mainly stroller frame can be comprised according to the present embodiment; Be separately positioned on front component 1 and the wheel assembly 2 of stroller frame front and rear part; Seat mechanism.Wherein stroller frame comprises front-wheel support 3, be positioned at the push rod 4 of both sides, be positioned at both sides and bottom is provided with rear wheel support 5 and the lower supporter 6 of wheel assembly 2, described lower supporter 6 comprises and is positioned at both sides and the bottom bar 60 that is connected with rear wheel support 5 with front-wheel support 3 respectively of both ends, push rod 4 to comprise between bottom with bottom bar 60 and can rotate mutually and relative sliding the ground lower push-rod 40 that is connected and the upper push-rod 41 that can slide in lower push-rod 40, can rotate mutually between push rod 4 with bottom bar 60 with relative sliding be connected, the upper end of rear wheel support 5 is connected with rotating between push rod 4, bottom rotates with the rearward end of described bottom bar 60 and is connected, the upper end of rear wheel support 5 is connected with push rod 4, front component 1 is arranged on the bottom of front-wheel support 3, front component 1 is adjustably arranged with the spacing of wheel assembly 2.Seat mechanism comprises and to lay respectively on front side of stroller frame and the front seats frame of rear side and back seat frame, wherein front seats frame comprises the front rack 70 being positioned at both sides, be arranged on front rack 70 between the front seats connecting portion 71 that connects front seats and the front rack 70 being arranged on both sides, by the tranverse connecting rod 72 that the front rack 70 of both sides is connected, front rack 70 comprises an end and bottom bar 60 or front-wheel support 3 and to rotate the shrinking connecting-rod 700 be connected, with the other end of shrinking connecting-rod 700 rotate be connected before pressure pin 701, front seats connecting portion 71 is arranged on front pressure pin 701, front rack 70 to be arranged on lower supporter 6 and to have the state packed up relative to lower supporter 6 and open, back seat frame comprises the back seat connecting portion 80 being arranged on push rod 4, rear wheel support 5 or the junction of the two.
In this example, front-wheel support 3 has the side lever 30 being positioned at both sides, the rearward end of side lever 30 can be arranged slidably along the length direction of bottom bar 60, and shrinking connecting-rod 700 rotates with side lever 30 and is connected, and the rotational axis line direction of the two is vertical with the direction of slip of side lever.Front pressure pin 701 parallels with the rotational axis line between side lever with the rotational axis line between shrinking connecting-rod 700, shrinking connecting-rod 700.When front rack 70 relative to lower supporter 6 from the state of packing up to the state variation opened time, front component 1 increases with the distance of wheel assembly 2.Front seats connecting portion 71 with back seat connecting portion 80 is respectively equipped with the front seats general purpose interface 710 and back seat general purpose interface 800 that can be connected seat.Bottom bar 60 being rotatably connected to adapter sleeve 9, through adapter sleeve 9, and can slide by adapter sleeve 9 relatively in the bottom of push rod 4.
Of the present invention can the children trolley of single double conversion, again by deployed condition to folded state, whole operating process is very simple, smooth, specific as follows: as depicted in figs. 1 and 2, this state is that children trolley is in expansion and supplies the single state taken, when go-cart from single turn to double taking time, as shown in Figures 3 to 6, to be arranged on lower supporter by front rack and there is the state packed up relative to lower supporter and open, pressure pin before regulating also is in open mode, drive shrinking connecting-rod rotates, thus the side lever promoting to be connected with shrinking connecting-rod end moves along bottom bar length direction, increase the distance between front component and wheel assembly, and two seat pockets are connected on front seats connecting portion and back seat connecting portion, thus realize double taking same children trolley, simultaneously, when the double children trolley taken is from deployed condition to folded state, remove two seat pockets, the relative lower supporter of front rack is regulated to be in collapsed state, now shrinking connecting-rod restores to the original state, thus make to restore to the original state between front component and wheel assembly, then rear wheel support is slid into the bottom of lower push-rod, and upper push-rod is received in lower push-rod, rotate lower push-rod again, utilize the relation relatively rotating and slide between lower push-rod and bottom bar, lower push-rod is folded to lower supporter, thus complete the folding of whole vehicle frame, shape after folding as shown in Figure 7 and Figure 8.
In sum, the present invention is respectively equipped with seat connecting portion in the side, front and back of go-cart, wherein the seat connecting portion of front side is designed to have and opens and collapsed state, simultaneously by adjustable for the distance between the front and back wheel assembly of go-cart, so, when children trolley is changed into Double-seat from one-seater, only front seats connecting portion is opened by the Distance geometry that need increase between front and back wheel assembly simultaneously, namely becomes Double-seat after connecting seat.The switching of go-cart between one-seater and Double-seat is very simple, convenient.Meanwhile, structure of the present invention is simple, and required rod member is less, particularly also easily realizes folding functional, and such as, according to the body frame structure for automotive that the present invention further provides, just conveniently go-cart can be folded into flat form, folding volume is little.
Above to invention has been detailed description; its object is to allow the personage being familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; the equivalence change that all Spirit Essences according to the present invention are done or modification, all should be encompassed in protection scope of the present invention.
Claims (8)
1. one kind can the children trolley of single double conversion, comprise stroller frame, be separately positioned on front component (1) and the wheel assembly (2) of described stroller frame front and rear part, seat mechanism, described stroller frame comprises front-wheel support (3), be positioned at the push rod (4) of both sides, be positioned at both sides and bottom is provided with the rear wheel support (5) of described wheel assembly (2), it is characterized in that: described stroller frame also comprises lower supporter (6), described lower supporter (6) comprises and is positioned at both sides and the bottom bar (60) that is connected with described rear wheel support (5) with described front-wheel support (3) respectively of both ends, the bottom of described push rod (4) is connected with described bottom bar (60), the upper end of described rear wheel support (5) is connected with described push rod (4), described front component (1) is arranged on the bottom of described front-wheel support (3), described front component (1) is adjustably arranged with the spacing of described wheel assembly (2), described seat mechanism comprises and to lay respectively on front side of described stroller frame and the front seats frame of rear side and back seat frame, described front seats frame comprise be positioned at both sides front rack (70), be arranged on for connecting the front seats connecting portion (71) of front seats on described front rack (70), it is upper and have the state packed up relative to described lower supporter (6) and open that described front rack (70) is arranged on described lower supporter (6), described back seat frame comprises and is arranged on described push rod (4), the back seat connecting portion (80) of described rear wheel support (5) or the junction of the two, described front rack (70) comprises an end and described bottom bar (60) or described front-wheel support (3) and to rotate the shrinking connecting-rod (700) be connected, to rotate the front pressure pin (701) be connected with the other end of described shrinking connecting-rod (700), described front seats connecting portion (71) is arranged on described front pressure pin (701), described front seats connecting portion (71) with back seat connecting portion (80) is respectively equipped with the front seats general purpose interface (710) and back seat general purpose interface (800) that can be connected seat.
2. according to claim 1 can the children trolley of single double conversion, it is characterized in that: described front-wheel support (3) has the side lever (30) being positioned at both sides, the rearward end of described side lever (30) can be arranged slidably along the length direction of described bottom bar (60), described shrinking connecting-rod (700) rotates with described side lever (30) and is connected, and the rotational axis line direction of the two is vertical with the direction of slip of described side lever (30).
3. according to claim 1 can the children trolley of single double conversion, it is characterized in that: when described front rack (70) relative to described lower supporter (6) from the state of packing up to the state variation opened time, the distance of described front component (1) and described wheel assembly (2) increases.
4. according to claim 1 can the children trolley of single double conversion, it is characterized in that: described front seats frame also comprise be arranged on both sides front rack (70) between, tranverse connecting rod (72) that the front rack (70) of both sides is connected.
5. according to claim 2 can the children trolley of single double conversion, it is characterized in that: described front pressure pin (701) and the rotational axis line between described shrinking connecting-rod (700), rotational axis line between described shrinking connecting-rod (700) with described side lever (30) parallel.
6. any one of claim 1 to 5 described in claim can the children trolley of single double conversion, it is characterized in that: can rotate mutually between described push rod (4) with described bottom bar (60) with relative sliding be connected, the upper end of described rear wheel support (5) with rotate between described push rod (4) be connected, bottom to rotate with the rearward end of described bottom bar (60) and is connected.
7. according to claim 6 can the children trolley of single double conversion, it is characterized in that: described push rod (4) comprises and can to rotate mutually between bottom with described bottom bar (60) and relative sliding the ground lower push-rod (40) that is connected and the upper push-rod (41) that can slide in described lower push-rod (40).
8. according to claim 6 can the children trolley of single double conversion, it is characterized in that: described bottom bar (60) is rotatably connected to adapter sleeve (9), through described adapter sleeve (9), and can relatively described adapter sleeve (9) slide in the bottom of described push rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310002025.0A CN103072612B (en) | 2013-01-05 | 2013-01-05 | A kind of can the children trolley of single double conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310002025.0A CN103072612B (en) | 2013-01-05 | 2013-01-05 | A kind of can the children trolley of single double conversion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103072612A CN103072612A (en) | 2013-05-01 |
| CN103072612B true CN103072612B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310002025.0A Active CN103072612B (en) | 2013-01-05 | 2013-01-05 | A kind of can the children trolley of single double conversion |
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| Country | Link |
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| CN (1) | CN103072612B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3789269B1 (en) | 2018-05-03 | 2024-04-10 | Wonderland Switzerland AG | Child stroller apparatus |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201420312D0 (en) | 2014-11-14 | 2014-12-31 | Silver Cross Holdings Ltd | Carrier Mounting |
| CN105752144B (en) * | 2014-12-15 | 2018-05-11 | 中山阳光爱婴日用品有限公司 | Baby carriage |
| GB2545783B (en) | 2015-11-23 | 2019-04-10 | Wonderland Switzerland Ag | Infant stroller apparatus |
| ES2898945T3 (en) * | 2016-02-03 | 2022-03-09 | Wonderland Switzerland Ag | Pushchair apparatus having an extendable structure |
| CN106672050A (en) * | 2016-12-23 | 2017-05-17 | 好孩子儿童用品有限公司 | Stroller with one-baby and two-baby switching function |
| US10449987B2 (en) * | 2018-01-17 | 2019-10-22 | Evenflo Company, Inc. | Tandem stroller with sliding carriage |
| CN108327769B (en) * | 2018-01-23 | 2024-11-01 | 好孩子儿童用品有限公司 | Child cart |
| CN108674478B (en) * | 2018-05-21 | 2025-06-24 | 好孩子儿童用品有限公司 | A child stroller convertible into a single or double stroller |
| CN119317564A (en) * | 2022-06-02 | 2025-01-14 | 婴儿推车科技有限公司 | Baby stroller |
| CN115320693A (en) * | 2022-08-19 | 2022-11-11 | 广东乐美达集团有限公司 | Adjustable track frame for children's cycle |
| CN115320694B (en) * | 2022-08-19 | 2024-03-22 | 广东乐美达集团有限公司 | Shape changeable frame for baby carriage |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2783053A (en) * | 1956-02-15 | 1957-02-26 | Collier Keyworth Company | Collapsible stroller |
| US4725071A (en) * | 1987-03-02 | 1988-02-16 | Louis Shamie | Tandem stroller |
| US7451999B1 (en) * | 2006-07-14 | 2008-11-18 | Cheh-Kang Liu | Tandem jogging stroller |
| CN201761512U (en) * | 2010-06-25 | 2011-03-16 | 苏州威凯儿童用品有限公司 | Folding type baby stroller |
| CN203111248U (en) * | 2013-01-05 | 2013-08-07 | 好孩子儿童用品有限公司 | Stroller with single-child seat and double-child seat convertible |
-
2013
- 2013-01-05 CN CN201310002025.0A patent/CN103072612B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2783053A (en) * | 1956-02-15 | 1957-02-26 | Collier Keyworth Company | Collapsible stroller |
| US4725071A (en) * | 1987-03-02 | 1988-02-16 | Louis Shamie | Tandem stroller |
| US7451999B1 (en) * | 2006-07-14 | 2008-11-18 | Cheh-Kang Liu | Tandem jogging stroller |
| CN201761512U (en) * | 2010-06-25 | 2011-03-16 | 苏州威凯儿童用品有限公司 | Folding type baby stroller |
| CN203111248U (en) * | 2013-01-05 | 2013-08-07 | 好孩子儿童用品有限公司 | Stroller with single-child seat and double-child seat convertible |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3789269B1 (en) | 2018-05-03 | 2024-04-10 | Wonderland Switzerland AG | Child stroller apparatus |
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| Publication number | Publication date |
|---|---|
| CN103072612A (en) | 2013-05-01 |
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