CN104973110B - A kind of wheel universal structure and children trolley - Google Patents
A kind of wheel universal structure and children trolley Download PDFInfo
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- CN104973110B CN104973110B CN201510386351.5A CN201510386351A CN104973110B CN 104973110 B CN104973110 B CN 104973110B CN 201510386351 A CN201510386351 A CN 201510386351A CN 104973110 B CN104973110 B CN 104973110B
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Abstract
The present invention relates to a kind of wheel universal structure and children trolley, wheel universal structure, including wheel, wheel mount, for connecting the bindiny mechanism of wheel mount and vehicle frame, bindiny mechanism includes the oscillating bar assembly that one end is mutually fixedly connected with wheel mount, rotated the slide assemblies being connected with wheel mount, the pedestal being mutually fixedly connected with vehicle frame, pedestal includes the first element for extending in left-right direction and the second element for extending along the longitudinal direction, the other end of oscillating bar assembly is coordinated with the second element and relative second element is slided along the longitudinal direction, slide assemblies coordinate with the first element and relative first element is slided in left-right direction, when the other end of oscillating bar assembly and slide assemblies are coordinated with the second element and the first element respectively and slide, wheel and wheel mount can be turned to.The distance of the median plane of the touchdown point of wheel and vehicle frame when the present invention can reduce wheel steering such that it is able to ensure the stability of children trolley well.
Description
Technical field
The present invention relates to a kind of wheel universal structure and children trolley.
Background technology
The wheel link structure of perambulator of the prior art（If publication No. is CN103029739A, date of publication is 2013-4-
10）, on a link, link is substantially rotatably connected on the car of perambulator to wheel by one in the rotary shaft being vertically arranged
Below frame so that wheel can realize universal rotational around rotary shaft.Due to traditional children's three-wheeled cart be all using above-mentioned
Wheel link structure so that in front-wheel universal rotational, front wheel landing point deviate the median plane of vehicle frame, have a strong impact on the steady of go-cart
Qualitative.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of different wheel universal structure of structure and children trolley.
In order to solve above-mentioned technical problem, a kind of technical scheme that the present invention is adopted is：
A kind of wheel universal structure, rotates including wheel and described wheel and connects the wheel energy so that described
Enough wheel mounts for rolling, for connecting described wheel mount and vehicle frame is so that described wheel and described wheel mount can
With respect to the bindiny mechanism of described frame-steering, described bindiny mechanism includes that one end is mutually fixedly connected with described wheel mount
Oscillating bar assembly and described wheel mount rotate the pedestal that the slide assemblies of connection are mutually fixedly connected with described vehicle frame, institute
The pedestal that states includes the first element for extending in left-right direction and the second element for extending along the longitudinal direction, described oscillating bar assembly
The other end coordinate with second element and relative second element is slided along the longitudinal direction, described slide assemblies with
First element coordinates and relatively described first element is slided in left-right direction, when described oscillating bar assembly the other end and
Described slide assemblies are coordinated with the second described element and described the first element when sliding respectively, described wheel and described
Wheel mount can be turned to.
Specifically, the center line at the place that is connected of described oscillating bar assembly and the second described element and described wheel
The distance between seat and the described rotational axis line of slide assemblies are less than or equal to described wheel mount and described Slide Group
The rotational axis line of part and the distance between described wheel and the described rotational axis line of wheel mount.
Specifically, the bearing of trend of the first described element is vertical with the bearing of trend of the second described element.
Specifically, the second described element is provided with the chute for extending along the longitudinal direction, and described oscillating bar assembly includes one end
Portion and the fork that described wheel mount is mutually fixedly connected, be arranged on described fork the other end and can be with described chute
Coordinate the first sliding part for sliding.
More specifically, the center line of described chute is located in the median plane of described vehicle frame.
Specifically, the first described element is connecting rod, and described slide assemblies include to rotate with described wheel mount
The tumbler of connection be mutually fixedly connected with described tumbler and the slip that can match with described connecting rod second slip
Part.
More specifically, described connecting rod and the second described sliding part all have two and are symmetricly set on described rotation
Both sides before and after part.
Specifically, described wheel mount include to rotate with described wheel be connected front fork assembly, be fixedly installed on institute
The upper end of the front fork assembly that states and vertically extending universal drive shaft, described oscillating bar assembly are upper with described universal drive shaft
End is mutually fixedly connected, and described universal drive shaft is rotated with described slide assemblies and is connected and can be around described universal drive shaft
Axial line is rotated.
A kind of children trolley, including described vehicle frame, above-mentioned wheel universal structure.
Specifically, described children trolley is three-wheeled cart, and described vehicle frame includes that front lower place is provided with described wheel
The fore-stock of universal structure, after-poppet, described children trolley also include two groups of the back lower place of the after-poppet for being arranged on described
Wheel assembly.
Referred to above to all around go up the inferior noun of locality, be that the orientation when children trolley is normally used is defined
's.
The scope of the present invention, however it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, while should also contain
Other technical schemes that lid is combined and is formed by above-mentioned technical characteristic or its equivalent feature.Such as features described above and sheet
Disclosed in application（But it is not limited to）Technical scheme that technical characteristic with similar functions is replaced mutually and formed etc..
As technique scheme is used, the present invention has following advantages compared with prior art：The present invention is by arranging
Oscillating bar assembly and slide assemblies, the distance of the median plane of the touchdown point of wheel and vehicle frame when can reduce wheel steering, or even make
The touchdown point for obtaining wheel is always positioned in the median plane of vehicle frame such that it is able to ensure the stability of children trolley well.
Description of the drawings
Accompanying drawing 1 is the stereogram of the present invention；
Accompanying drawing 2 is the stereogram of vehicle frame and pedestal；
Accompanying drawing 3 is top view of the present invention when wheel is moved forwardly；
Accompanying drawing 4 is the top view of vehicle frame and pedestal；
Accompanying drawing 5 is the profile of accompanying drawing 3；
Accompanying drawing 6 is the profile of accompanying drawing 4；
Accompanying drawing 7 is the stereogram of wheel and wheel mount；
Accompanying drawing 8 is the side view of wheel and wheel mount；
Accompanying drawing 9 is the top view of wheel and wheel mount；
Accompanying drawing 10 is the front view of wheel and wheel mount；
Accompanying drawing 11 is the side view of slide assemblies；
Accompanying drawing 12 is the front view of slide assemblies；
Accompanying drawing 13 is the top view of slide assemblies；
Accompanying drawing 14 is top view of the present invention when wheel is in left movement；
Accompanying drawing 15 is top view of the present invention when wheel is in motion backward；
Accompanying drawing 16 is that the present invention is in top view when moving right in wheel；
Wherein：1st, vehicle frame；2nd, wheel；3rd, wheel mount；4th, pedestal；5th, fork；6th, the first sliding part；7th, tumbler；8th,
Two sliding parts；9th, wheel shaft；31st, front fork assembly；32nd, universal drive shaft；41st, base body；42nd, chute；43rd, connecting rod；X, chute
Center line；Y, the center line of the first sliding part；Z, the axial line of universal drive shaft；M, the direction of motion in the axle center of tumbler；N, wheel shaft
Axial line.
Specific embodiment
A kind of children trolley, including the wheel universal structure that vehicle frame 1 is connected with vehicle frame 1.The children trolley can be three
Wheel barrows or four wheel barrows, when for three-wheeled cart, the vehicle frame 1 of three-wheeled cart includes that front lower place is provided with wheel universal structure
Fore-stock, after-poppet, children's three-wheeled cart also includes two groups of wheel assemblies for being arranged on the back lower place of after-poppet, this wheel ten thousand
To structure as three-wheeled cart front component when, the position relationship of front wheel landing point and vehicle frame median plane can be adjusted, certainly,
This wheel universal structure is also used as the vehicle wheel component that other need to realize wheel steering.
As shown in the drawings, a kind of wheel universal structure, rotates connection so that wheel including wheel 2 and wheel 2
Wheel mount 3 that 2 can roll, for connecting wheel mount 3 and vehicle frame 1 so that wheel 2 and wheel mount 3 being capable of relative frame 1
The bindiny mechanism of steering, bindiny mechanism include that the oscillating bar assembly that one end is mutually fixedly connected with wheel mount 3 is turned with 3 phase of wheel mount
The pedestal 4 that the slide assemblies being dynamically connected mutually are fixedly connected with vehicle frame 1, pedestal 4 include the pedestal sheet being mutually fixedly connected with vehicle frame 1
Body 41, the first element for being formed on base body 41 and extending in left-right direction, it is formed on base body 41 and along in front and back
The second element that direction extends, the other end of oscillating bar assembly is coordinated with the second element and relative second element is slided along the longitudinal direction
Dynamic, slide assemblies coordinate with the first element and relative first element is slided in left-right direction, when oscillating bar assembly the other end with
When slide assemblies coordinate slip with the second element and the first element respectively, wheel 2 and wheel mount 3 can be turned to, so as to reality
The steering of existing children trolley.
Wheel mount 3 includes to rotate the front fork assembly 31 being connected, the upper end for being fixedly installed on front fork assembly 31 with wheel 2
And vertically extending universal drive shaft 32, oscillating bar assembly is mutually fixedly connected with the upper end of universal drive shaft 32, universal drive shaft 32 with sliding
Dynamic component rotates and connects and can rotate around the axial line of universal drive shaft 32.
In the present embodiment, the bearing of trend of the first element is perpendicular with the bearing of trend of the second element, and the second element is provided with
The chute 42 for extending along the longitudinal direction, the first element are connecting rod 43, and the center line X of chute 42 is located in the median plane of vehicle frame 1.
Certainly, the first element can also be provided with chute, and the second element can also be connecting rod, can be with as long as slide assemblies can be realized
First element coordinates slip, and oscillating bar assembly can coordinate slip with the second element.
Oscillating bar assembly includes one end and wheel mount 3（Specifically, the upper end with the universal drive shaft 32 of wheel mount 3）Mutually fix
The fork 5 of connection, the first sliding part 6 for being arranged on the other end of fork 5 and can sliding with the cooperation of chute 42, first slides
Part 6 can be the roller being connected that is mutually fixedly connected with fork 5 or rotates.Certainly, the side of being slidably connected of oscillating bar assembly and pedestal 4
Formula is not limited to aforesaid way, and when the second element is connecting rod, the first sliding part 6 can be sliding sleeve etc..
Slide assemblies include and wheel mount 3（Specifically, the universal drive shaft 32 with wheel mount 3）Rotate connection tumbler 7,
Mutually be fixedly connected with tumbler 7 and can be matched with connecting rod 43 second sliding part 8 of slip.Preferably, 43 He of connecting rod
Second sliding part 8 all has two and is symmetricly set on the both sides in front and back of tumbler 7.In the present embodiment, tumbler 7 is the axis of rolling
Hold, the second sliding part 8 is sliding bearing, and certainly, tumbler 7 and the second sliding part 8 are also not limited to rolling bearing and slip
Bearing, or sliding sleeve etc., certainly, slide assemblies and pedestal 4 are also not necessarily limited to said structure, when the first element is chute,
Second sliding part 8 can be can be in the roller of slip in chute or projection etc..
The center line at the place that is connected of oscillating bar assembly and the second element（Specifically, the center line Y of the first sliding part 6）With
Wheel mount 3 and the rotational axis line of slide assemblies（Specifically, the axial line Z of universal drive shaft 32）The distance between A be less than or equal to
Wheel mount 3 and the rotational axis line of slide assemblies（Specifically, the axial line Z of universal drive shaft 32）Rotation with wheel 2 and wheel mount 3
Axial line（Specifically, the axial line N of wheel shaft 9）The distance between B.Also, the center line Y and universal drive shaft when the first sliding part 6
When the distance between 32 axial line Z A is equal to the distance between the axial line Z of universal drive shaft 32 and the axial line N of wheel shaft 9 B, wheel
2 around universal drive shaft 32 turned to when, the touchdown point of wheel 2 is always positioned in the median plane of vehicle frame 1, so that children trolley
Stability more preferable.
Operation principle：During the use of children trolley, under the driving of external force, eccentric throw B of front-wheel turns wheel
To, the first sliding part 6 of oscillating bar assembly slide anteroposterior in the chute 42 is driven, the second sliding part 8 of slide assemblies is along connection
Bar 43 horizontally slips.The movement locus of wheel 2 and the contact point on ground be centered on O point, with B as major axis radius, with A as short
The ellipse of axle radius, wherein, O point is the intersection point of direction of motion M in the axle center of the center line X and tumbler 7 of chute 42, and B is car
Wheel seat 3 and the rotational axis line of slide assemblies（Specifically, the axial line Z of universal drive shaft 32）With wheel 2 and the rotary shaft of wheel mount 3
Heart line（Specifically, the axial line N of wheel shaft 9）The distance between, A is the center at the place that is connected of oscillating bar assembly and the second element
Line（Specifically, the center line Y of the first sliding part 6）With wheel mount 3 and the rotational axis line of slide assemblies（Specifically, universal drive shaft
32 axial line Z）The distance between, i.e. the effective length of fork 5.When the difference of A and B gets over hour, during universal rotational,
The distance that the touchdown point of wheel 2 deviates vehicle frame median plane is less, and when B is equal to A, touchdown point is located in vehicle frame median plane, now
The stability of children trolley is best.
As described above, we are illustrated fully according to spirit of the invention, but the present invention is not limited to above-mentioned reality
Apply example and implementation.The practitioner of correlative technology field can carry out different in the range of the license of the technological thought of the present invention
Change and enforcement.
Claims (10)
1. a kind of wheel universal structure, including wheel（2）, and described wheel（2）Rotate and connect the car so that described
Wheel（2）The wheel mount that can be rolled（3）, for connecting described wheel mount（3）And vehicle frame（1）So that described wheel
（2）With described wheel mount（3）Vehicle frame that can be relatively described（1）The bindiny mechanism of steering, it is characterised in that：Described connection
Mechanism includes one end with described wheel mount（3）The oscillating bar assembly being mutually fixedly connected and described wheel mount（3）The company of rotating
The slide assemblies for connecing and described vehicle frame（1）The pedestal being mutually fixedly connected（4）, described pedestal（4）Including prolonging in left-right direction
The first element that stretches and the second element for extending along the longitudinal direction, the other end of described oscillating bar assembly and second element
Coordinate and relatively described second element is slided along the longitudinal direction, described slide assemblies are coordinated with first element and relative institute
State the first element to slide in left-right direction, when the other end of described oscillating bar assembly and described slide assemblies respectively with described
The second element and described the first element coordinate when sliding, described wheel（2）With described wheel mount（3）Can carry out turning
To.
2. wheel universal structure according to claim 1, it is characterised in that：Described oscillating bar assembly and described second yuan
The center line at the place that is connected of part and described wheel mount（3）The distance between with the described rotational axis line of slide assemblies
Less than or equal to described wheel mount（3）With the rotational axis line of described slide assemblies and described wheel（2）With described
Wheel mount（3）The distance between rotational axis line.
3. wheel universal structure according to claim 1, it is characterised in that：The bearing of trend of the first described element and institute
The bearing of trend of the second element that states is vertical.
4. wheel universal structure according to claim 1, it is characterised in that：The second described element is provided with along the longitudinal direction
The chute of extension（42）, described oscillating bar assembly includes one end with described wheel mount（3）The fork being mutually fixedly connected（5）、
It is arranged on described fork（5）The other end and can be with described chute（42）Coordinate the first sliding part for sliding（6）.
5. wheel universal structure according to claim 4, it is characterised in that：Described chute（42）Center line（X）Position
In described vehicle frame（1）Median plane in.
6. wheel universal structure according to claim 1, it is characterised in that：The first described element is connecting rod（43）,
Described slide assemblies include and described wheel mount（3）Rotate the tumbler of connection（7）, and described tumbler（7）Phase
It is fixedly connected and can be with described connecting rod（43）Match the second sliding part of slip（8）.
7. wheel universal structure according to claim 6, it is characterised in that：Described connecting rod（43）With described second
Sliding part（8）All there are two and be symmetricly set on described tumbler（7）Before and after both sides.
8. wheel universal structure according to claim 1, it is characterised in that：Described wheel mount（3）Including with described
Wheel（2）Rotate the front fork assembly of connection（31）, be fixedly installed on described front fork assembly（31）Upper end and vertically
The universal drive shaft that direction extends（32）, described oscillating bar assembly and described universal drive shaft（32）Upper end be mutually fixedly connected, described
Universal drive shaft（32）Rotate with described slide assemblies and be connected and can be around described universal drive shaft（32）Axial line rotate.
9. a kind of children trolley, it is characterised in that：Including vehicle frame（1）, wheel ten thousand as any one of claim 1 to 8
To structure.
10. children trolley according to claim 9, it is characterised in that：Described children trolley is three-wheeled cart, described
Vehicle frame（1）Fore-stock, the after-poppet of described wheel universal structure is provided with including front lower place, and described children trolley also includes
It is arranged on two groups of wheel assemblies of the back lower place of described after-poppet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386351.5A CN104973110B (en) | 2015-07-03 | 2015-07-03 | A kind of wheel universal structure and children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386351.5A CN104973110B (en) | 2015-07-03 | 2015-07-03 | A kind of wheel universal structure and children trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104973110A CN104973110A (en) | 2015-10-14 |
| CN104973110B true CN104973110B (en) | 2017-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510386351.5A Active CN104973110B (en) | 2015-07-03 | 2015-07-03 | A kind of wheel universal structure and children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104973110B (en) |
Families Citing this family (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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2853294B1 (en) * | 2003-04-07 | 2006-04-28 | Ampafrance | CHILDREN'S CAR WITH DIRECTIONAL WHEELS SOLIDARIZED IN PIVOTE BY SEMI-RIGID MEANS |
| TWM281866U (en) * | 2005-07-12 | 2005-12-01 | Link Treasure Ltd | Direction control device for swivel wheels of baby stroller |
| CN202703664U (en) * | 2012-07-03 | 2013-01-30 | 中山市隆成日用制品有限公司 | Steering positioning mechanism for front wheel set of three-wheeled cart for infants |
| CN103552585A (en) * | 2013-11-06 | 2014-02-05 | 福建强兴婴童用品有限公司 | Four-wheel steering mechanism for baby stroller |
| CN203681618U (en) * | 2013-11-28 | 2014-07-02 | 东莞市智乐堡儿童玩具有限公司 | Baby carriage with universal wheels |
| CN204871129U (en) * | 2015-07-03 | 2015-12-16 | 好孩子儿童用品有限公司 | Universal structure of wheel and children's shallow |
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2015
- 2015-07-03 CN CN201510386351.5A patent/CN104973110B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104973110A (en) | 2015-10-14 |
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