CN104960558A - Front wheel mechanism of three-wheeled child cart and three-wheeled child cart - Google Patents
Front wheel mechanism of three-wheeled child cart and three-wheeled child cart Download PDFInfo
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- CN104960558A CN104960558A CN201510385543.4A CN201510385543A CN104960558A CN 104960558 A CN104960558 A CN 104960558A CN 201510385543 A CN201510385543 A CN 201510385543A CN 104960558 A CN104960558 A CN 104960558A
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- wheel mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 230000005465 channeling Effects 0.000 claims description 2
- 230000009194 climbing Effects 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The invention relates to a front wheel mechanism of a three-wheeled child cart. The front wheel mechanism comprises a sliding guiding module and a double-connecting rod mechanism, which are mounted on a frame, wherein a front fork module is connected with the sliding guiding module; the front fork module and the front wheel module can slide in a left-right direction of the child cart under the guiding of the sliding guiding module; the double-connecting rod mechanism comprises a first connecting rod and a second connecting rod which are rotationally connected with each other; the end part of the first connecting rod is connected with a rotating shaft; the the first connecting rod can rotate with the rotating shaft; and the end part of the second connecting rod is rotationally connected with the frame through a pivot. According to the front wheel mechanism of the three-wheeled child cart provided by the invention, as the front wheel mechanism is arranged as a structure capable of moving in the left-right direction of the three-wheeled child cart, the supporting point of the front wheel module can move so that a supporting system of the child cart formed by the front wheel module and a rear wheel module is high in stability and can adapt to different road situations; the climbing performance is stable in places with slopes; and the three-wheeled child cart cannot turn over.
Description
Technical field
the present invention relates to a kind of children's three-wheeled cart front-wheel mechanism and children's three-wheeled cart.
Background technology
in the prior art, children's three-wheeled cart comprises vehicle frame and the front component be arranged on below vehicle frame and wheel assembly substantially, and front component is Universal wheel structure, and wheel assembly is fixed wheel.Two wheel assemblies and front component form children's three-wheeled cart.Current this children's three-wheeled cart in use, because a place for front component and wheel assembly is fixed, cannot be tackled different condition of road surfaces, run into acclive road surface and easily overturn, and this just likely endangers the safety of children.
Summary of the invention
the technical problem to be solved in the present invention is to provide the front-wheel mechanism that a kind of structure is simple, adapt to children's three-wheeled cart that polymorphic type road conditions use.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of front-wheel mechanism of children's three-wheeled cart, comprise front fork assembly and front component, the upper end of described front fork assembly is fixed with rotating shaft, described front fork assembly is rotationally connected by the vehicle frame of rotating shaft and children trolley, and described front component is installed in the lower end of described front fork assembly.Described front-wheel mechanism also comprises and is installed in slide-and-guide assembly on described vehicle frame and two connecting rod mechanisms, described front fork assembly is connected with described slide-and-guide assembly, described front fork assembly and front component can slide with the left and right directions of the guiding of slide-and-guide assembly along children trolley, described two connecting rod mechanisms comprise the first connecting rod and second connecting rod that an end is rotationally connected mutually, the other end of described first connecting rod is fixedly connected with rotating shaft, and the other end of described second connecting rod is connected by pivot with vehicle frame.
concrete, described slide-and-guide assembly comprises the sliding part be fixedly connected with front fork assembly, the sliding guide piece be installed on described vehicle frame, described sliding part is slidably arranged on sliding guide piece, and described sliding part slides and drives front fork assembly and front component to move along the left and right directions of children trolley on sliding guide piece.
preferably, sliding part is corresponding with sliding guide piece forms a slide-and-guide external member, and described slide-and-guide assembly comprises multiple slide-and-guide external member.
preferred further, described sliding part is sliding sleeve, and described sliding sleeve is fixedly connected with described front fork assembly, and described sliding guide piece is pilot bar, described pilot bar extends along the left and right directions of children trolley and is fixedly installed on described vehicle frame, and described sliding sleeve is on the guide bar sheathed slidably.
preferably another kind of, described sliding part is slide block, described slide block is fixedly connected with described front fork assembly, described sliding guide piece is the pilot bar offering guide groove, described pilot bar extends along the left and right directions of children trolley and is fixedly installed on described vehicle frame, described guide groove is offered along the bearing of trend of guide bars, is installed in guide groove described skid.
another is preferred, described sliding part is roller, described roller is arranged on front fork assembly, described sliding guide piece is the pilot bar offering guide groove, described pilot bar extends along the left and right directions of children trolley and is fixedly installed on described vehicle frame, described guide groove is offered along the bearing of trend of guide bars, and described roller is installed in guide groove and also can rolls along the bearing of trend of guide groove.
further, described sliding part is the one in sliding sleeve, slide block and roller three kinds of parts, and be pilot bar with the sliding guide piece of sliding sleeve Corresponding matching, described sliding sleeve is on the guide bar sheathed slidably; Be the pilot bar offering guide groove with the sliding guide piece of slide block Corresponding matching, be installed in guide groove described skid; With the sliding guide piece of roller Corresponding matching also for offering the pilot bar of guide groove, described roller is installed in guide groove and also can rolls along the bearing of trend of guide groove, sliding sleeve and pilot bar combine, slide block and the pilot bar that offers guide groove combines, roller and the pilot bar that offers guide groove combine and can form three kinds of slide-and-guide external members, described slide-and-guide assembly comprise in described three kinds of slide-and-guide external members one or more.
concrete, the end of described second connecting rod is connected to the anterior side place of described vehicle frame by pivot, when front component deflection, described first connecting rod rotates and drives second connecting rod motion, described sliding part slides along the channeling direction of sliding guide piece and drives front fork assembly and front component to slide along the left and right directions of children trolley, and the place of propping up of described front component is moved along the left and right directions of children trolley.
concrete, when front component is towards the left side of children trolley or right side deflection, described sliding part is towards direction, the side slip that front component deflect.
a kind of children's three-wheeled cart, comprise vehicle frame, be installed in the front-wheel mechanism of vehicle frame front end and be installed in the wheel assembly of vehicle frame rear end, described front-wheel mechanism is the front-wheel mechanism of above-mentioned children's three-wheeled cart.
involvedly above go up the inferior noun of locality all around, is that the orientation work when children's three-wheeled cart normally uses defines.
scope of the present invention, is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain other technical scheme of being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme etc. formed.
because technique scheme is used, the present invention compared with prior art has following advantages: front-wheel mechanism is arranged to by the present invention can along the structure of the left and right directions movement of children's three-wheeled cart, a place for front component is moved, thus the support system stability of the children trolley making front component and wheel assembly form is high, different use road conditions can be adapted to, stablize at the acclive local grade climbing performance of tool, children's three-wheeled cart can not overturn.
Accompanying drawing explanation
fig. 1 is the structural representation of children's three-wheeled cart of the present invention;
fig. 2 is the enlarged diagram at A place in Fig. 1;
fig. 3 is the view that the front-wheel mechanism of children's three-wheeled cart of the present invention deflects towards D direction;
fig. 4 is the enlarged diagram at B place in Fig. 3;
fig. 5 is the view that the front-wheel mechanism of children's three-wheeled cart of the present invention deflects towards E direction;
fig. 6 is the enlarged diagram at C place in Fig. 5.
wherein: 1, front component; 2, front fork assembly; 3, vehicle frame; 4, slide-and-guide assembly; 5, two connecting rod mechanisms; 6, rotating shaft; 7, wheel assembly; 41, sliding part; 42, sliding guide piece; 51, first connecting rod; 52, second connecting rod.
Detailed description of the invention
as shown in Figures 1 to 6, a kind of children's three-wheeled cart of the present invention, comprises vehicle frame 3, is installed in the front-wheel mechanism of vehicle frame 3 front end and is installed in the wheel assembly 7 of vehicle frame 3 rear end.
described front-wheel mechanism comprises front fork assembly 2, front component 1, is installed in slide-and-guide assembly 4 on described vehicle frame 3 and two connecting rod mechanisms 5.The upper end of described front fork assembly 2 is rotationally connected by the vehicle frame 3 of rotating shaft 6 with children trolley, and described front component 1 is installed in the lower end of described front fork assembly 2.
described slide-and-guide assembly 4 comprises two groups of slide-and-guide external members be made up of sliding part 41 and sliding guide piece 42.Wherein the sliding part 41 of one group of slide-and-guide external member is sliding sleeve, and described sliding guide piece 42 is pilot bar.Described sliding sleeve is fixedly connected with the rear side of described front fork assembly 2, and described pilot bar extends along the left and right directions of children trolley and is fixedly installed on described vehicle frame 3, and described sliding sleeve is on the guide bar sheathed slidably.The sliding part 41 of another group slide-and-guide external member is slide block, and described sliding guide piece 42 is for offering the pilot bar of guide groove.Described slide block is fixedly connected with the front side of described front fork assembly 2, described pilot bar extends along the left and right directions of children trolley and is fixedly installed on described vehicle frame 3, described guide groove is offered along the bearing of trend of guide bars, is installed in guide groove described skid.
described sliding sleeve slides on the guide bar, and described slide block slides in guide groove, and two groups of slide-and-guide external members drive described front fork assembly 2 and front component 1 to move along the left and right directions of children trolley together.
described two connecting rod mechanisms 5 comprise the first connecting rod 51 and second connecting rod 52 that an end is rotationally connected mutually, the other end of described first connecting rod 51 is fixedly connected with rotating shaft 6, and the other end of described second connecting rod 52 is connected to the anterior side place of described vehicle frame 3 by pivot.
when children's three-wheeled cart normally works, when ground, road conditions change, and in the situations such as such as upward slope, pavement roughness, front component 1 are deflected, and then the rotating shaft 6 on front fork assembly 2 drives first connecting rod 51 to rotate, described first connecting rod 51 rotates and drives second connecting rod 52 to move.Described sliding sleeve slides on the guide bar, and described slide block slides in guide groove, and two groups of slide-and-guide external members drive described front fork assembly 2 and front component 1 to move along the left and right directions of children trolley together.When front component 1 is towards the left side of children trolley or right side deflection, described sliding part 41 is towards direction, the side slip that front component 1 deflect.Like this, the present invention just can according to the difference of ground road conditions, and a place of the described front component 1 of adjustment is in the position of children trolley left and right directions automatically, decreases the possibility that children's three-wheeled cart overturns under the road conditions such as upward slope.
in the embodiment of foregoing invention, described slide-and-guide external member can also be roller by sliding part 41, and sliding guide piece 42 is for offering the pilot bar composition of guide groove.Described roller is arranged on front fork assembly 2, described pilot bar extends along the left and right directions of children trolley and is fixedly installed on described vehicle frame 3, described guide groove is offered along the bearing of trend of guide bars, and described roller is installed in guide groove and also can rolls along the bearing of trend of guide groove.
as mentioned above, we are illustrated according to aim of the present invention completely, but the present invention is not limited to above-described embodiment and implementation method.Different changes and enforcement is carried out in the scope that the practitioner of correlative technology field can permit at technological thought of the present invention.
Claims (10)
1. the front-wheel mechanism of children's three-wheeled cart, comprise front fork assembly (2) and front component (1), the upper end of described front fork assembly (2) is fixed with rotating shaft (6), described front fork assembly (2) is rotationally connected by the vehicle frame (3) of rotating shaft (6) with children trolley, described front component (1) is installed in the lower end of described front fork assembly (2), it is characterized in that: described front-wheel mechanism also comprises and is installed in slide-and-guide assembly (4) on described vehicle frame (3) and two connecting rod mechanisms (5), described front fork assembly (2) is connected with described slide-and-guide assembly (4), described front fork assembly (2) and front component (1) can slide with the left and right directions of the guiding of slide-and-guide assembly (4) along children trolley, described two connecting rod mechanisms (5) comprise the first connecting rod (51) and second connecting rod (52) that an end is rotationally connected mutually, the other end of described first connecting rod (51) is fixedly connected with rotating shaft (6), the other end of described second connecting rod (52) is connected by pivot with vehicle frame (3).
2. the front-wheel mechanism of children's three-wheeled cart according to claim 1, it is characterized in that: described slide-and-guide assembly (4) comprises the sliding part (41) be fixedly connected with front fork assembly (2), the sliding guide piece (42) be installed on described vehicle frame (3), described sliding part (41) is slidably arranged on sliding guide piece (42), and described sliding part (41) drives front fork assembly (2) and front component (1) to move along the left and right directions of children trolley upper slip of sliding guide piece (42).
3. the front-wheel mechanism of children's three-wheeled cart according to claim 2, it is characterized in that: sliding part (41) is corresponding with sliding guide piece (42) forms a slide-and-guide external member, and described slide-and-guide assembly (4) comprises multiple slide-and-guide external member.
4. the front-wheel mechanism of the children's three-wheeled cart according to Claims 2 or 3, it is characterized in that: described sliding part (41) is sliding sleeve, described sliding sleeve is fixedly connected with described front fork assembly (2), described sliding guide piece (42) is pilot bar, described pilot bar extends along the left and right directions of children trolley and is fixedly installed on described vehicle frame (3), and described sliding sleeve is on the guide bar sheathed slidably.
5. the front-wheel mechanism of the children's three-wheeled cart according to Claims 2 or 3, it is characterized in that: described sliding part (41) is slide block, described slide block is fixedly connected with described front fork assembly (2), described sliding guide piece (42) is for offering the pilot bar of guide groove, described pilot bar extends along the left and right directions of children trolley and is fixedly installed on described vehicle frame (3), described guide groove is offered along the bearing of trend of guide bars, is installed in guide groove described skid.
6. the front-wheel mechanism of the children's three-wheeled cart according to Claims 2 or 3, it is characterized in that: described sliding part (41) is roller, described roller is arranged on front fork assembly (2), described sliding guide piece (42) is for offering the pilot bar of guide groove, described pilot bar extends along the left and right directions of children trolley and is fixedly installed on described vehicle frame (3), described guide groove is offered along the bearing of trend of guide bars, and described roller is installed in guide groove and also can rolls along the bearing of trend of guide groove.
7. the front-wheel mechanism of children's three-wheeled cart according to claim 3, it is characterized in that: described sliding part (41) is sliding sleeve, one in slide block and roller three kinds of parts, be pilot bar with the sliding guide piece (42) of sliding sleeve Corresponding matching, described sliding sleeve is on the guide bar sheathed slidably; With the sliding guide piece (42) of slide block Corresponding matching for offering the pilot bar of guide groove, be installed in guide groove described skid; With the sliding guide piece (42) of roller Corresponding matching also for offering the pilot bar of guide groove, described roller is installed in guide groove and also can rolls along the bearing of trend of guide groove, sliding sleeve and pilot bar combine, slide block and the pilot bar that offers guide groove combines, roller and the pilot bar that offers guide groove combine and can form three kinds of slide-and-guide external members, described slide-and-guide assembly (4) comprise in described three kinds of slide-and-guide external members one or more.
8. the front-wheel mechanism of children's three-wheeled cart according to claim 2, it is characterized in that: the end of described second connecting rod (52) is connected to the anterior side place of described vehicle frame (3) by pivot, when front component (1) deflection, described first connecting rod (51) rotates and drives second connecting rod (52) motion, described sliding part (41) slides along the channeling direction of sliding guide piece (42) and drives front fork assembly (2) and front component (1) to slide along the left and right directions of children trolley, the place of described front component (1) is moved along the left and right directions of children trolley.
9. the front-wheel mechanism of children's three-wheeled cart according to claim 8, is characterized in that: when front component (1) is towards the left side of children trolley or right side deflection, described sliding part (41) slides towards the direction, side that front component (1) deflects.
10. children's three-wheeled cart, comprise vehicle frame (3), be installed in the front-wheel mechanism of vehicle frame (3) front end and the wheel assembly (7) being installed in vehicle frame (3) rear end, it is characterized in that: described front-wheel mechanism is the front-wheel mechanism of the children's three-wheeled cart described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510385543.4A CN104960558B (en) | 2015-06-30 | 2015-06-30 | The front-wheel mechanism and child's three-wheeled cart of child's three-wheeled cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510385543.4A CN104960558B (en) | 2015-06-30 | 2015-06-30 | The front-wheel mechanism and child's three-wheeled cart of child's three-wheeled cart |
Publications (2)
| Publication Number | Publication Date |
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| CN104960558A true CN104960558A (en) | 2015-10-07 |
| CN104960558B CN104960558B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510385543.4A Active CN104960558B (en) | 2015-06-30 | 2015-06-30 | The front-wheel mechanism and child's three-wheeled cart of child's three-wheeled cart |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620109A (en) * | 2022-03-16 | 2022-06-14 | 好孩子儿童用品有限公司 | Children's barrow |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20116192U1 (en) * | 2001-10-02 | 2002-02-21 | Lan Red | Folding stroller |
| CN103723224A (en) * | 2012-10-11 | 2014-04-16 | 叶礼发 | Tricycle with novel steering mechanism for children |
| CN203623758U (en) * | 2013-10-29 | 2014-06-04 | 中山市隆成日用制品有限公司 | Deflection mechanism for putting away baby carriage front wheel set |
| CN104340253A (en) * | 2013-08-02 | 2015-02-11 | 明门香港股份有限公司 | Stroller frame |
| CN204871131U (en) * | 2015-06-30 | 2015-12-16 | 好孩子儿童用品有限公司 | Front -wheel mechanism and shallow of children's tricycle of shallow of children's tricycle |
-
2015
- 2015-06-30 CN CN201510385543.4A patent/CN104960558B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20116192U1 (en) * | 2001-10-02 | 2002-02-21 | Lan Red | Folding stroller |
| CN103723224A (en) * | 2012-10-11 | 2014-04-16 | 叶礼发 | Tricycle with novel steering mechanism for children |
| CN104340253A (en) * | 2013-08-02 | 2015-02-11 | 明门香港股份有限公司 | Stroller frame |
| CN203623758U (en) * | 2013-10-29 | 2014-06-04 | 中山市隆成日用制品有限公司 | Deflection mechanism for putting away baby carriage front wheel set |
| CN204871131U (en) * | 2015-06-30 | 2015-12-16 | 好孩子儿童用品有限公司 | Front -wheel mechanism and shallow of children's tricycle of shallow of children's tricycle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620109A (en) * | 2022-03-16 | 2022-06-14 | 好孩子儿童用品有限公司 | Children's barrow |
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| Publication number | Publication date |
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| CN104960558B (en) | 2017-04-05 |
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