CN201045043Y - Baby carriage wheel steering device - Google Patents
Baby carriage wheel steering device Download PDFInfo
- Publication number
- CN201045043Y CN201045043Y CNU2007201215519U CN200720121551U CN201045043Y CN 201045043 Y CN201045043 Y CN 201045043Y CN U2007201215519 U CNU2007201215519 U CN U2007201215519U CN 200720121551 U CN200720121551 U CN 200720121551U CN 201045043 Y CN201045043 Y CN 201045043Y
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- China
- Prior art keywords
- wall
- connector
- bearing
- pipe fitting
- bearing hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model relates to a baby carriage, in particular to a wheel steering device of a baby carriage. The utility model comprises a carriage body, a carriage fork and a connecting body, wherein wheels are arranged at the lower end of the carriage fork via shafts, the connecting body is provided with an upper wall and a lower wall which are parallel to each other, the upper wall is provided with an upper bearing hole, the lower wall is provided with a lower bearing hole, the upper bearing hole and the lower bearing hole are concentrically arranged, the lower end of the upper bearing hole is provided with bearing axial position steps, the upper end of the lower bearing hole is provided with bearing axial position steps, the connecting body is fixedly connected with the carriage body which is provided with a pipe fitting, and the pipe fitting is disposed between the upper wall of the connecting body and the lower wall of the connecting body and is fixedly and structurally connected the connecting body. The utility model provides one wheel steering device of the baby carriage which is swift in operation, smart in structure and durable in utilization.
Description
Technical field
The utility model relates to perambulator, relates in particular to a kind of stroller wheel steering hardware.
Background technology
Common stroller wheel steering structure substantially all adopts a rotating shaft to slide in a cover, and axle is connected with the car fork, and cover is connected with car body.During the work of the perambulator of this structure, the resistance of rotating shaft is very big, rotates dumbly, and is easy to wear and tear.Also there is employing between rotating shaft and cover, ball is set and realizes this rotation, this steering hardware is complex structure and heaviness on the one hand, increased the weight of car load, car body jolts and produces swing on the other hand, rotating shaft produces torsion, and to bear axial force because of load-bearing, the use of this device is received a mandate often very short.
The utility model content
The purpose of this utility model be to overcome above-mentioned the deficiencies in the prior art part and provide that a kind of moving commentaries on classics is flexible, structure is light and handy and durable stroller wheel steering hardware.
The purpose of this utility model can be achieved through the following technical solutions:
The stroller wheel steering hardware comprises car body and car fork, and car fork lower end is provided with wheel by axletree; Also comprise connector; Connector has two parallel walls, i.e. upper wall and lower wall up and down; Upper wall is provided with a head bearing hole, and lower wall is provided with bearing hole, and the head bearing hole is provided with the lower bearing hole is concentric; The lower end in head bearing hole has bearing axle to positioning step, and the upper end in lower bearing hole has bearing axle to positioning step; Connector is captiveed joint with car body; Car body has a pipe fitting, and pipe fitting is arranged between connector upper wall and the lower wall, constitutes with connector and captives joint; One antifriction-bearing box is set in the head bearing hole, an antifriction-bearing box that can bear axial force is set in the lower bearing hole; Car is stuck end captive joint one vertical pivot, and the vertical pivot upper end is by the nut that is threaded, and the lower end of vertical pivot has the bearing positioning step; Described two bearing carrier rings are located at vertical pivot, and two bearings are between bearing positioning step and nut.
The stroller wheel steering hardware is characterized in that, what be provided with in the head bearing hole is deep groove ball bearing.
The stroller wheel steering hardware is characterized in that, what be provided with in the lower bearing hole is angular contact ball bearing.
The stroller wheel steering hardware is characterized in that, what be provided with in the lower bearing hole is thrust baring.
The stroller wheel steering hardware is characterized in that, described connector is that sheet metal is converted into, and also has one section connecting wall between upper wall, the lower wall, and connecting wall is provided with upper wall and lower wall are vertical, and upper wall, lower wall, connecting wall have identical thickness; Upper wall is circular-arc away from an end of connecting wall, and lower wall also is same circular-arc away from an end of connecting wall; The diameter of described pipe fitting equals the distance between upper wall and the lower wall, and described pipe fitting has arc, and connector is located in outside the pipe fitting, and the arc of pipe fitting overlaps with the circular arc of the upper and lower wall of connector.
The stroller wheel steering hardware is characterized in that, described pipe fitting is captiveed joint by welding manner with described connector.
The stroller wheel steering hardware is characterized in that, two bearing holes of connector are the bearing holes that forms by the hardware stamping mode.
The stroller wheel steering hardware is characterized in that, what be provided with in the head bearing hole is deep groove ball bearing; What be provided with in the lower bearing hole is angular contact ball bearing; Connector is that sheet metal folds and forms, and also has one section connecting wall between upper wall, the lower wall, and connecting wall is provided with upper wall and lower wall are vertical, and upper wall, lower wall, connecting wall have identical thickness; Upper wall is circular-arc away from an end of connecting wall, and lower wall also is same circular-arc away from an end of connecting wall; The diameter of described pipe fitting equals the distance between upper wall and the lower wall, and described pipe fitting has arc, and connector is located in outside the pipe fitting, and the arc of pipe fitting overlaps with the circular arc of the upper and lower wall of connector; Pipe fitting is captiveed joint by welding manner with described connector; Two bearing holes of connector are the bearing holes that forms by the hardware stamping mode.
The stroller wheel steering hardware is characterized in that, described wheel is the front-wheel of three wheeled stroller.
The stroller wheel steering hardware is characterized in that, also comprises a wheel directional locking.
The stroller wheel steering hardware that the utility model relates to, adopt two bearings, and following bearing can bear axial force, thereby the torsion that jolts and produce because of car body can bear work effectively the time, and the axial force that produces because of the car body load-bearing, thereby stroller wheel steering hardware contrast prior art is not only rotated flexibly, and is not easy to wear, and durable.The connector that utility model adopts is a hollow, and two bearing holes are separately positioned on the upper wall and the lower wall of connector, when assurance is durable, has effectively alleviated the weight of device.Contrast prior art, stroller wheel steering hardware of the present utility model have moving changes flexibly, structure is light and handy and durable advantage.
Description of drawings
Fig. 1 is the scheme drawing that first embodiment of the utility model is applied to three-wheel vehicle.
Fig. 2 is first embodiment section-drawing of the utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
With reference to figure 1, Fig. 2, the stroller wheel steering hardware comprises car body 101 and car fork 102, and car is pitched 102 lower ends and by axletree wheel is set; Also comprise connector 104; Connector 104 has two parallel walls, i.e. upper wall and lower wall up and down; Upper wall is provided with a head bearing hole, and lower wall is provided with bearing hole, and the head bearing hole is provided with the lower bearing hole is concentric; The lower end in head bearing hole has bearing axle to positioning step, and the upper end in lower bearing hole has bearing axle to positioning step; Connector 104 is captiveed joint with car body 101; Car body 101 has a pipe fitting 1011, and pipe fitting 1011 is arranged between connector upper wall and the lower wall, constitutes with connector 104 and captives joint; One antifriction-bearing box 106 is set in the head bearing hole, an antifriction-bearing box 105 that can bear axial force is set in the lower bearing hole; Car is pitched 102 upper end captive joints, one vertical pivot 103, and vertical pivot 103 upper ends are by the nut 107 that is threaded, and the lower end of vertical pivot 103 has the bearing positioning step; Described two bearings (106 and 105) are sheathed on vertical pivot 103, two bearings between bearing positioning step and nut 107.What be provided with in the head bearing hole is deep groove ball bearing.What be provided with in the lower bearing hole is angular contact ball bearing.Described connector 104 is that sheet metal is converted into, and also has one section connecting wall between upper wall, the lower wall, and connecting wall is provided with upper wall and lower wall are vertical, and upper wall, lower wall, connecting wall have identical thickness; Upper wall is circular-arc away from an end of connecting wall, and lower wall also is same circular-arc away from an end of connecting wall; The diameter of described pipe fitting 1011 equals the distance between upper wall and the lower wall, and described pipe fitting 1011 has arc, and connector 104 is located in outside the pipe fitting 1011, and the arc of pipe fitting 1011 overlaps with the circular arc of connector 104 upper and lower walls.Pipe fitting 1011 and connector 104 are captiveed joint by welding manner.Two bearing holes of connector 104 are the bearing holes that form by the hardware stamping mode.What be provided with in the head bearing hole is deep groove ball bearing 106; What be provided with in the lower bearing hole is angular contact ball bearing 105; Connector 104 is that sheet metal folds and forms, and also has one section connecting wall between upper wall, the lower wall, and connecting wall is provided with upper wall and lower wall are vertical, and upper wall, lower wall, connecting wall have identical thickness; Upper wall is circular-arc away from an end of connecting wall, and lower wall also is same circular-arc away from an end of connecting wall; The diameter of described pipe fitting 1011 equals the distance between upper wall and the lower wall, and described pipe fitting 1011 has arc, and connector 104 is located in outside the pipe fitting 1011, and the arc of pipe fitting 1011 overlaps with the circular arc of connector 104 upper and lower walls; Pipe fitting 1011 and connector 104 are captiveed joint by welding manner; Two bearing holes of connector 104 are the bearing holes that form by the hardware stamping mode.The stroller wheel steering hardware of present embodiment is the front-wheel steering device of three wheeled stroller.The stroller wheel steering hardware of present embodiment also comprises a wheel directional locking.
This enforcement is four-wheel perambulator rear-axle steering device with later-model second embodiment, only is with the difference of first embodiment of the utility model, and lower bearing adopts thrust ball bearing, so that perambulator has better load-bearing effect.
Claims (10)
1. a stroller wheel steering hardware comprises car body and car fork, and car fork lower end is provided with wheel by axletree; It is characterized in that,
Also comprise connector; Connector has two parallel walls, i.e. upper wall and lower wall up and down; Upper wall is provided with a head bearing hole, and lower wall is provided with bearing hole, and the head bearing hole is provided with the lower bearing hole is concentric; The lower end in head bearing hole has bearing axle to positioning step, and the upper end in lower bearing hole has bearing axle to positioning step;
Connector is captiveed joint with car body; Car body has a pipe fitting, and pipe fitting is arranged between connector upper wall and the lower wall, constitutes with connector and captives joint;
One antifriction-bearing box is set in the head bearing hole, an antifriction-bearing box that can bear axial force is set in the lower bearing hole;
Car is stuck end captive joint one vertical pivot, and the vertical pivot upper end is by the nut that is threaded, and the lower end of vertical pivot has the bearing positioning step; Described two bearing carrier rings are located at vertical pivot, and two bearings are between bearing positioning step and nut.
2. stroller wheel steering hardware according to claim 1 is characterized in that, what be provided with in the head bearing hole is deep groove ball bearing.
3. stroller wheel steering hardware according to claim 2 is characterized in that, what be provided with in the lower bearing hole is angular contact ball bearing.
4. stroller wheel steering hardware according to claim 2 is characterized in that, what be provided with in the lower bearing hole is thrust baring.
5. stroller wheel steering hardware according to claim 1, it is characterized in that described connector is that sheet metal is converted into, also have one section connecting wall between upper wall, the lower wall, connecting wall is provided with upper wall and lower wall are vertical, and upper wall, lower wall, connecting wall have identical thickness; Upper wall is circular-arc away from an end of connecting wall, and lower wall also is same circular-arc away from an end of connecting wall; The diameter of described pipe fitting equals the distance between upper wall and the lower wall, and described pipe fitting has arc, and connector is located in outside the pipe fitting, and the arc of pipe fitting overlaps with the circular arc of the upper and lower wall of connector.
6. stroller wheel steering hardware according to claim 5 is characterized in that, described pipe fitting is captiveed joint by welding manner with described connector.
7. stroller wheel steering hardware according to claim 5 is characterized in that, two bearing holes of connector are the bearing holes that forms by the hardware stamping mode.
8. stroller wheel steering hardware according to claim 1 is characterized in that, what be provided with in the head bearing hole is deep groove ball bearing; What be provided with in the lower bearing hole is angular contact ball bearing; Connector is that sheet metal folds and forms, and also has one section connecting wall between upper wall, the lower wall, and connecting wall is provided with upper wall and lower wall are vertical, and upper wall, lower wall, connecting wall have identical thickness; Upper wall is circular-arc away from an end of connecting wall, and lower wall also is same circular-arc away from an end of connecting wall; The diameter of described pipe fitting equals the distance between upper wall and the lower wall, and described pipe fitting has arc, and connector is located in outside the pipe fitting, and the arc of pipe fitting overlaps with the circular arc of the upper and lower wall of connector; Pipe fitting is captiveed joint by welding manner with described connector; Two bearing holes of connector are the bearing holes that forms by the hardware stamping mode.
9. stroller wheel steering hardware according to claim 1 is characterized in that, described wheel is the front-wheel of three wheeled stroller.
10. stroller wheel steering hardware according to claim 1 is characterized in that, also comprises a wheel directional locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201215519U CN201045043Y (en) | 2007-07-19 | 2007-07-19 | Baby carriage wheel steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201215519U CN201045043Y (en) | 2007-07-19 | 2007-07-19 | Baby carriage wheel steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201045043Y true CN201045043Y (en) | 2008-04-09 |
Family
ID=39308518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201215519U Expired - Lifetime CN201045043Y (en) | 2007-07-19 | 2007-07-19 | Baby carriage wheel steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201045043Y (en) |
-
2007
- 2007-07-19 CN CNU2007201215519U patent/CN201045043Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GOLDEN PROSPER (CHINA) BABY PRODUCTS CO., LTD. Free format text: FORMER OWNER: CHEN RONGCAI Effective date: 20130822 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130822 Address after: Dongguan City, Guangdong Province town 523000 village of Rome Huang Feng Ling Industrial Park Patentee after: JINWANG (CHINA) CHILDREN'S PRODUCTS CO., LTD. Address before: Dongguan City, Guangdong Province town 523000 village two lane road poly poly Fu No. Patentee before: Chen Rongcai |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Dongguan City, Guangdong Province town 523660 village of Rome Huang Feng Ling Industrial Park Patentee after: DONGGUAN JINWANG CHILDREN ARTICLE CO., LTD. Address before: Dongguan City, Guangdong Province town 523000 village of Rome Huang Feng Ling Industrial Park Patentee before: JINWANG (CHINA) CHILDREN'S PRODUCTS CO., LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080409 |