CN208915240U - A kind of pushchair and the perambulator with it - Google Patents
A kind of pushchair and the perambulator with it Download PDFInfo
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- CN208915240U CN208915240U CN201821378203.4U CN201821378203U CN208915240U CN 208915240 U CN208915240 U CN 208915240U CN 201821378203 U CN201821378203 U CN 201821378203U CN 208915240 U CN208915240 U CN 208915240U
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- Prior art keywords
- wheel
- wheel carrier
- connector
- pillar
- pushchair
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- 238000005096 rolling process Methods 0.000 claims abstract description 73
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000222712 Kinetoplastida Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of pushchair and with its perambulator, including wheel carrier, it is rotatably mounted at the wheel body of the wheel carrier bottom, and the wheel connector being connect with perambulator upper lever, in the wheel connector and described wheel carrier the two, one of them is equipped with the pillar extended vertically along the vertical direction, another one is equipped with groove corresponding with the pillar, the pillar can be plugged in the relative rotation in the groove around self-axis line, rolling bearing or rolling element are additionally provided between wheel connector and wheel carrier, the rolling bearing or rolling element is pressed in along the vertical direction between the wheel carrier and the wheel connector, so that wheel carrier and wheel connector are rolling friction when relatively rotating, the steering of wheel is more flexible smooth, also to take turns the connection height between connector and wheel carrier simultaneously to be greatly reduced, it is whole high to be conducive to pushchair The reduction of degree.The pushchair can be widely used as the front component of perambulator, so that the size of folded vehicle frame further reduces.
Description
Technical field
The utility model relates to a kind of pushchair and with its perambulator.
Background technique
In the prior art, such as the bottom front of children trolley perambulator usually will be installed the wheel for capableing of universal rotational, with reality
The steering of existing perambulator.Currently, such is capable of the pushchair of universal rotational, generally includes wheel carrier, is rotatably mounted at wheel carrier
The wheel body of bottom, and the wheel connector connecting with perambulator upper lever, have the wheel shaft vertically extended on wheel carrier, wheel carrier around
The axial line of the wheel shaft is rotationally connected to the lower section of wheel connector, although such pushchair meets need when perambulator turns to
Ask, but be so that wheel connector and wheel carrier between can be swimmingly with respect to universal rotational, the length of wheel shaft is often longer, leads to wheel carrier
Larger with the size of wheel connector in the height direction, the height dimension in turn resulting in entire pushchair is larger, is unfavorable for perambulator
The reduction of volume after folding.
Summary of the invention
The shortcomings that the purpose of this utility model is to overcome the prior arts provides a kind of new structural pushchair.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
First technical solution:
A kind of pushchair including wheel carrier, is rotatably mounted at the wheel body of the wheel carrier bottom, and is used for and perambulator
In the wheel connector that rod piece connects, the wheel connector and described wheel carrier the two, one of them is equipped with prolongs vertically along the vertical direction
The pillar stretched, another one are equipped with groove corresponding with the pillar, and the pillar can be around self-axis line with the relative rotation
It is plugged in the groove, rolling bearing is also ordinatedly arranged on the pillar, the rolling bearing is pressed along the vertical direction
Tightly between the wheel carrier and the wheel connector.
Preferably, the rolling bearing includes inner ring, outer ring, retainer and rolling element, the wheel carrier and the rolling element
Between, and/or, rollably cooperate between the wheel connector and the rolling element.
Preferably, the rolling bearing includes inner ring, outer ring, retainer and rolling element, the rolling bearing and the wheel
Between connector, and/or, gasket ring is additionally provided between the rolling bearing and the wheel carrier, the gasket ring is set on the pillar,
Rollably cooperate between the gasket ring and the rolling element.
Preferably, the container for accommodating the rolling bearing is formed between wheel connector and the wheel carrier, it is described
Rolling bearing is set on the pillar and is ordinatedly housed in the container.
Second technical solution:
A kind of pushchair including wheel carrier, is rotatably mounted at the wheel body of the wheel carrier bottom, and is used for and perambulator
In the wheel connector that rod piece connects, the wheel connector and described wheel carrier the two, one of them is equipped with prolongs vertically along the vertical direction
The pillar stretched, another one are equipped with groove corresponding with the pillar, and the pillar can be around self-axis line with the relative rotation
It is plugged in the groove, multiple rolling elements, multiple rollings is additionally provided between the wheel connector and described wheel carrier the two
Kinetoplast is in the circumferentially spaced about distribution that the axial line around the pillar is rotation center, and all rolling elements are along the vertical direction
It is compressed between the wheel carrier and the wheel connector.
Preferably, multiple holding tanks, the rolling are provided on one of both described wheel connector and the wheel carrier
Body, which is rollably embedded in the holding tank and rolls with another one, to be cooperated.
Further, the holding tank is set on the wheel carrier, offers annular groove, the rolling element on the wheel connector
Lower part be embedded in the holding tank and top is contained in the annular groove.
Further, the wheel carrier is equipped with annular flange, and all holding tanks are circumferentially evenly spaced apart to set
In on the upper end of the annular flange.
Preferably, the pillar is set on the wheel carrier and erects upward and extends, and the groove is set on the wheel connector,
The wheel connector is fixed along the vertical direction by rivet with the wheel carrier and is linked together.
The another object of the utility model is to provide a kind of perambulator with above-mentioned pushchair.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of perambulator, including vehicle frame, be set to it is described
The front component of vehicle frame bottom front and wheel assembly set on vehicle frame bottom rear portion, the front component are such as above-mentioned perambulator
Wheel.
Due to the application of the above technical scheme, the utility model has the advantage that this is practical new compared with prior art
The pushchair of type, wherein wheel connector and wheel carrier between use large end face short axle mating connection, and wheel connector and wheel carrier it
Between rolling bearing or rolling element are set so that the two is rolling friction when relatively rotating, the steering of wheel is more flexible suitable
Freely, while also to take turns the connection height between connector and wheel carrier to be greatly reduced, be conducive to the reduction of pushchair whole height.
The pushchair can be widely used as the front component of perambulator, so that the size of folded vehicle frame further reduces.
Detailed description of the invention
Attached drawing 1 is the schematic diagram of the perambulator of an embodiment of the present invention；
Attached drawing 2 is the stereoscopic schematic diagram of the pushchair of embodiment 1；
Attached drawing 3 is the structural decomposition diagram of the pushchair of embodiment 1；
Attached drawing 4 is the longitudinally cutting schematic diagram of the pushchair of embodiment 1；
Attached drawing 5 is the structural decomposition diagram of the pushchair of embodiment 2；
Attached drawing 6 is the longitudinally cutting schematic diagram of the pushchair of embodiment 2；
Wherein: 10, vehicle frame；20, front component；30, wheel assembly；
1, connector is taken turns；11, groove；12, it perforates；13, container；14, annular groove；
2, wheel carrier；21, pillar；22, annular flange；23, it perforates；24, holding tank；
3, wheel body；4, rolling bearing；4a, inner ring；4b, outer ring；4c, rolling element；
5, gasket ring；6, rivet；7, rolling element.
Specific embodiment
The technical solution of the utility model is further elaborated in the following with reference to the drawings and specific embodiments.
Embodiment 1
Referring to fig. 2 to pushchair shown in Fig. 4 comprising wheel carrier 2, the wheel body 3 for being rotatably mounted at 2 bottom of wheel carrier,
And the wheel connector 1 for being connect with perambulator upper lever, it takes turns and offers downward opening groove 11 on connector 1, wheel carrier 2 is equipped with
The pillar 21 extended vertically along the vertical direction, pillar 21 can be plugged in the relative rotation in groove 11 around self-axis line, make
Obtaining wheel carrier 2 drives wheel body 3 that can do 360 ° of rotations around the center line of vertical direction relative to wheel connector 1.
Certainly, in other examples, pillar 21 can also be set to the lower part of wheel connector 1 and opened up on wheel carrier 2
Opening up groove 11 equally can be realized 360 ° between wheel connector 1 and wheel carrier 2 by the cooperation of pillar 21 and groove 11
Rotation.
It is fixed and is linked together along the vertical direction by rivet 6 between wheel connector 1 and wheel carrier 2, wheel connector 1 is equipped with
12, wheel carrier 2 of perforating is equipped with perforation 23, and rivet 6 will take turns connector 1 and wheel carrier 2 across perforation 12 and perforation 23 along the vertical direction
It compresses along the vertical direction, so that being capable of steadily relative rotation between wheel carrier 2 and wheel connector 1.
Referring to shown in Fig. 3, Fig. 4, rolling bearing 4 is also ordinatedly arranged on pillar 21, the rolling bearing 4 is by vertically side
To be pressed on wheel carrier 2 and wheel connector 1 between.In this way, rolling bearing 4 includes inner ring 4a, outer ring 4b, retainer and rolling element
4c both can to take turns when connector 1 and wheel carrier 2 are rotated around 21 axial line of pillar it by the rolling element 4c on rolling bearing 4
Between friction be rolling friction, wheel body 3 turn to when it is more flexible smooth.Meanwhile the rotation connection mode of this kind big counterface,
But also wheel carrier 2 and wheel connector 3 rotation shaft portion (i.e. the length of pillar 21) can be set it is smaller can be realized as compared with
To be smoothly rotatably assorted, so that wheel carrier 2 and the connection structure of wheel connector 1 are greatly reduced in the height direction.
When specific setting, can to take turns between connector 1 and rolling element 4c, between wheel carrier 2 and rolling element 4c directly
Roll cooperation.It in the present embodiment, is then provided between rolling bearing 4 and wheel carrier 2, between wheel connector 1 and rolling bearing 4
Gasket ring 5, the gasket ring 5 preferably use the becket of such as steel loop hard.Gasket ring 5 is set on pillar 21, and in wheel connector 1 and wheel
It keeps being formed between rolling element 4c under the squeezing action of frame 2 along the vertical direction and be in rolling contact.It can reduce significantly in this way
Abrasion of the rolling element 4c to wheel carrier 2 and wheel connector 1.
The container 13 for accommodating rolling bearing 4 is formed between connector 1 and wheel carrier 2 referring to taking turns shown in Fig. 3, Fig. 4, is rolled
Dynamic bearing 4 is set on pillar 21 and is ordinatedly housed in container 13.In the present embodiment, container 13 is opened in wheel connector
1 lower part, opening down setting；There is annular flange 22, rolling bearing 4 is set on pillar 21 and is supported on wheel carrier 2
The top of annular flange 22, annular flange 22 can be plugged in the relative rotation in container 13 around 21 axial line of pillar, so that
Rolling bearing 4 is steadily housed in container 13.
Embodiment 2
Referring to shown in Fig. 5, Fig. 6, difference of the present embodiment compared to embodiment 1 is essentially consisted in, wheel connector 1 and wheel carrier 2 this
It is provided with multiple rolling elements 7 between the two, between multiple rolling element 7 is on the circumference that the axial line around pillar 21 is rotation center
Every distribution, and all rolling elements 7 are compressed in along the vertical direction between wheel carrier 2 and wheel connector 1.In this way, make take turns connector 1 with
When wheel carrier 2 is around the axial line relative rotation of pillar 21, rolling friction is formed by rolling element 7 between the two, rotation is unusual
It is flexibly smooth.
When specific setting, multiple holding tanks 24 are provided on one of both wheel connector 1 and wheel carrier 2, rolling element 7 rolls
It is embedded in the holding tank 24 and is rolled with another one dynamicly and cooperated.In the present embodiment, wheel carrier 2 is equipped with annular flange 22, institute
Some holding tanks 24 are circumferentially evenly spaced apart on the upper end that annular flange 22 is arranged in；Opening court is offered on wheel connector 1
Under annular groove 14, the lower part of rolling element 7 is embedded in corresponding holding tank 24, and upper part is contained in annular groove 14, and
The top of the rolling element 7 is resisted against on the top cell wall of annular groove 14 and is formed and be in rolling contact between wheel connector 1.
Perambulator shown in Figure 1, herein specially a kind of children trolley comprising vehicle frame 10, before being set to 10 bottom of vehicle frame
The front component 20 in portion and wheel assembly 30 set on 10 bottom rear portion of vehicle frame, wherein front component 20 is above-mentioned pushchair.
Using such as above-mentioned pushchair as front component 20, front component 20 can not only be made more flexible when turning to, additionally it is possible to
So that the height dimension of front component 20 is greatly reduced, so that the size of folded vehicle frame further reduces.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of pushchair including wheel carrier, is rotatably mounted at the wheel body of the wheel carrier bottom, and is used for and perambulator upper boom
The wheel connector of part connection, it is characterised in that: in the wheel connector and described wheel carrier the two, one of them is equipped with vertically side
To the pillar extended vertically, another one is equipped with groove corresponding with the pillar, and the pillar can be around self-axis line phase
To being rotatably plugged in the groove, rolling bearing is also ordinatedly arranged on the pillar, the rolling bearing is vertically
Direction is pressed between the wheel carrier and the wheel connector.
2. pushchair according to claim 1, it is characterised in that: the rolling bearing includes inner ring, outer ring, retainer
And rolling element, between the wheel carrier and the rolling element, and/or, rollably cooperate between the wheel connector and the rolling element.
3. pushchair according to claim 1, it is characterised in that: the rolling bearing includes inner ring, outer ring, retainer
And rolling element, between the rolling bearing and the wheel connector, and/or, it is additionally provided between the rolling bearing and the wheel carrier
Gasket ring, the gasket ring are set on the pillar, are rollably cooperated between the gasket ring and the rolling element.
4. pushchair according to claim 1, it is characterised in that: formed and be used between the wheel connector and the wheel carrier
The container of the rolling bearing is accommodated, the rolling bearing is set on the pillar and is ordinatedly housed in the container
In.
5. a kind of pushchair including wheel carrier, is rotatably mounted at the wheel body of the wheel carrier bottom, and is used for and perambulator upper boom
The wheel connector of part connection, it is characterised in that: in the wheel connector and described wheel carrier the two, one of them is equipped with vertically side
To the pillar extended vertically, another one is equipped with groove corresponding with the pillar, and the pillar can be around self-axis line phase
To being rotatably plugged in the groove, multiple rolling elements are additionally provided between the wheel connector and described wheel carrier the two, it is more
A rolling element is on the circumferentially spaced about distribution that the axial line around the pillar is rotation center, all rolling element edges
Up and down direction is compressed between the wheel carrier and the wheel connector.
6. pushchair according to claim 5, it is characterised in that: one in the wheel connector and described wheel carrier the two
Multiple holding tanks are provided on person, the rolling element, which is rollably embedded in the holding tank and rolls with another one, to be cooperated.
7. pushchair according to claim 6, it is characterised in that: the holding tank is set on the wheel carrier, the wheel
Annular groove is offered on connector, the lower part of the rolling element is embedded in the holding tank and top is contained in the annular groove
In.
8. pushchair according to claim 6, it is characterised in that: the wheel carrier is equipped with annular flange, all institutes
Holding tank is stated circumferentially to be evenly spaced apart on the upper end of the annular flange.
9. pushchair according to any one of claims 1 to 8, it is characterised in that: the pillar is set on the wheel carrier
And erect extend upward, the groove is set on the wheel connector, and the wheel connector and the wheel carrier pass through rivet vertically
Direction, which is fixed, to link together.
10. a kind of perambulator, including vehicle frame, set on the front component of vehicle frame bottom front and behind the rear portion of the vehicle frame bottom
Wheel assembly, which is characterized in that the front component is pushchair as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821378203.4U CN208915240U (en) | 2018-08-24 | 2018-08-24 | A kind of pushchair and the perambulator with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821378203.4U CN208915240U (en) | 2018-08-24 | 2018-08-24 | A kind of pushchair and the perambulator with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208915240U true CN208915240U (en) | 2019-05-31 |
Family
ID=66704101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821378203.4U Active CN208915240U (en) | 2018-08-24 | 2018-08-24 | A kind of pushchair and the perambulator with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208915240U (en) |
-
2018
- 2018-08-24 CN CN201821378203.4U patent/CN208915240U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |