CN2287591Y - Cart capable of climbing stairs - Google Patents
Cart capable of climbing stairs Download PDFInfo
- Publication number
- CN2287591Y CN2287591Y CN 97207285 CN97207285U CN2287591Y CN 2287591 Y CN2287591 Y CN 2287591Y CN 97207285 CN97207285 CN 97207285 CN 97207285 U CN97207285 U CN 97207285U CN 2287591 Y CN2287591 Y CN 2287591Y
- Authority
- CN
- China
- Prior art keywords
- cart
- wheel
- driving wheel
- wheels
- driven wheels
- 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 - Fee Related
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- Handcart (AREA)
Abstract
The utility model relates to a cart capable of climbing stairs, which comprises a cart body and wheels, wherein a bearing frame and an axle are installed on the cart body, and the wheels are composed of a square driving wheel and circular driven wheels installed on the four corners of the driving wheel; the outer edge of each of the circular driven wheels projects out from the corresponding corner of the square driving wheel, the side length of the square driving wheel ranges from 20 to 40 centimeters and the diameter of each of the circular driven wheels ranges from 4 to 12 centimeters. When the cart goes upstairs, the square driving wheel is engaged with stairs and rotates, the circular driven wheels perform adjustment function, and then, the cart body moves; when the cart moves on a flat ground, the square driving wheel does not rotate and the circular driven wheels drive the cart body to move. The process of the cart in going upstairs is the process of the continuous movement of the wheels, a cart rod does not need pressing and lifting, the cart body can always be kept stable and the utility model is laborsaving and convenient in use.
Description
The utility model relates to a kind of smaller vehicle, particularly a kind of car of going upstairs that can upwards push away along the step stair.
In the prior art, as No. 85201000, Chinese patent, the hand barrow that can go upstairs is equipped with the front and back wheel that varies in size.The problem that exists is: need ceaselessly press, lift the car bar in the process of going upstairs; When crossing platform, body inclination needs again to regulate, and uses effort, and is extremely inconvenient.
The purpose of this utility model is at the deficiencies in the prior art, and proposing the square female wheel of a kind of usefulness is the car of going upstairs of wheel with circular son wheel combination.
Task of the present utility model is to realize like this, the utility model is a kind of hand barrow upstairs, comprise the vehicle body that bearing frame and axletree are housed, it is characterized in that wheel is made of square female wheel and circular son wheel, circular son wheel is contained in four bights of square female wheel, outer rim exceeds square female wheel bight, and the length of side of square female wheel is 20-40 centimetre, and the diameter of circular son wheel is 4-12 centimetre.Upstairs the time, square female wheel and stair engagement, square female wheel rotates, and circular son has been taken turns corrective action, the car body operation; When moving on the level land, square female wheel does not rotate, and car body is by the operation of circular son wheel.
Described car of going upstairs is characterized in that the limit portion of square female wheel makes interchangeable elastic spacer.Like this, can play buffer action, to guarantee that wheel can not damage the stair edge, also protect the main body of square female wheel, elastic spacer then can often be replaced as consumable accessory.
Described car of going upstairs is characterized in that vehicle body is equipped with the folded handle of fold-down.When handlebar is converted into the right angle downwards, can work to support car body.
The utility model compared with prior art, the process that hand barrow is gone upstairs is the process of wheel continuous movement, does not need to press, lift the car bar; Vehicle body is steady all the time, uses laborsaving, convenient.
Fig. 1 is a main TV structure scheme drawing of the present utility model.
Fig. 2 is a side-looking structural representation of the present utility model.
Fig. 1 and Fig. 2 are an embodiment of the present utility model.Contrast Fig. 1, Fig. 2 below, further describe technology implementation scheme of the present utility model, the car of going upstairs among the figure, comprise the vehicle body (1) that bearing frame (3) and axletree (8) are housed, wheel (2,4) is made of square female wheel (4) and circular son wheel (2), and circular son wheel (2) is contained in four bights of square female wheel (4), and outer rim exceeds square female wheel (4) bight, the length of side of square female wheel (4) is 34 centimetres, and the diameter of circular son wheel (2) is 10 centimetres.The limit portion of square female wheel (4) makes interchangeable elastic spacer (5).Vehicle body (1) is equipped with the folded handle (7) of fold-down.Upstairs the time, square female wheel (4) and stair (6) engagement, square female wheel (4) rotates, and circular son wheel (2) plays corrective action, car body (1) operation; When moving on the level land, square female wheel (4) does not rotate, and car body (1) is by circular son wheel (2) operation.When handlebar (7) when being converted into the right angle downwards, can work to support car body (1).
Claims (3)
1, a kind of car of going upstairs, comprise the vehicle body (1) that bearing frame (3) and axletree (8) are housed, it is characterized in that wheel (2,4) is made of square female wheel (4) and circular son wheel (2), circular son wheel (2) is contained in four bights of square female wheel (4), outer rim exceeds square female wheel (4) bight, the length of side of square female wheel (4) is 20-40 centimetre, and the diameter of circular son wheel (2) is 4-12 centimetre.
2, car of going upstairs according to claim 1 is characterized in that the limit portion of square female wheel (4) makes interchangeable elastic spacer (5).
3, car of going upstairs according to claim 1 is characterized in that vehicle body (1) is equipped with the folded handle (7) of fold-down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97207285 CN2287591Y (en) | 1997-02-28 | 1997-02-28 | Cart capable of climbing stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97207285 CN2287591Y (en) | 1997-02-28 | 1997-02-28 | Cart capable of climbing stairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2287591Y true CN2287591Y (en) | 1998-08-12 |
Family
ID=33927087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97207285 Expired - Fee Related CN2287591Y (en) | 1997-02-28 | 1997-02-28 | Cart capable of climbing stairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2287591Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963403A (en) * | 2012-12-05 | 2013-03-13 | 吴延超 | Climbable cargo carrying trolley |
-
1997
- 1997-02-28 CN CN 97207285 patent/CN2287591Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963403A (en) * | 2012-12-05 | 2013-03-13 | 吴延超 | Climbable cargo carrying trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |