CN2233868Y - Chain type trolley for travelling up stairs - Google Patents
Chain type trolley for travelling up stairs Download PDFInfo
- Publication number
- CN2233868Y CN2233868Y CN 95210441 CN95210441U CN2233868Y CN 2233868 Y CN2233868 Y CN 2233868Y CN 95210441 CN95210441 CN 95210441 CN 95210441 U CN95210441 U CN 95210441U CN 2233868 Y CN2233868 Y CN 2233868Y
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- CN
- China
- Prior art keywords
- chain
- utility
- model
- trolley
- stairs
- 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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Abstract
The utility model discloses a chain type trolley for travelling up stairs, which comprises a flat ground wheel, a trolley hopper and a trolley armrest. The utility model is characterized in that the bottom of the trolley hopper is provided with a kind of outer-seal chain and a front guiding chain wheel and a back guiding chain wheel matched with the chain. The utility model performs in the mode of push-and-pull, and slide. Compared with the triangular three wheeled type guiding chain wheel at present, the utility model has the advantages of saving half labor. In addition, the utility model also has the advantages of stable and safe going upstairs and downstairs. The utility model is suitable for children and disabled people.
Description
The utility model belongs to a kind of hand barrow---be mainly used in the compact car of stair activity.
Existing in the market a kind of stair activity car, its crawler body are by an axle, and three steamboats are housed respectively at its two ends, have constituted an equilateral triangle.(or going up when going downstairs) changes upset to overtake by three wheel human relations during walking, but vibration is big, very not steady.This car also comprises wagon box, the car handrail, its work done form is last act formula, thus require great effort very much upstairs the time, in the time of downstairs because vibration is therefore very uncomfortable, also dangerous.Especially children and disabled person can't use.
The purpose of this utility model is a kind of chain-type stairs clambing handcart of design, by the special tectonic of chain, when walking (going up downstairs), stairway step is paved into the ramp type level road, thereby car can be moved up and down by comfortable pulsation-free.
The utility model realizes that with following technical proposal it comprises level walking wheel 3, wagon box 4, car handrail 5 and fixing vehicle wheel framework 6, the front and back jockey sprocket 2 that is provided with a kind of external closing type chain 1 and matches with chain on the framework 6 of wagon box bottom.This outer closure chain is formed by connecting by axle 9 and axle sleeve 10 by grooved chain link 7 and grooved chain link 8.
The utility model is the chain-type stairs clambing handcart, and it is paved into the ramp type level road to the step of stair by the special tectonic of chain, make steadily comfortable operation up and down of car, this car is laborsaving in addition, it than three wheeled car for going upstairs and downstairs laborsaving near half, so the most suitable children and disabled person use.
Description of drawings of the present utility model:
Fig. 1 is the front view of the utility model profile scheme drawing.
Fig. 2 is the front view of the utility model chain.
Fig. 3 is the birds-eye view of chain.
Fig. 4 is the front view of grooved chain link 7 in the chain.
Fig. 5 is the lateral plan of chain link 7.
Fig. 6 is the birds-eye view of chain link 7.
Fig. 7 is the front view of grooved chain link 8 in the chain.
Fig. 8 is the side-looking of chain link 8.
Fig. 9 is the birds-eye view of chain link 8.
Figure 10 is chain and jockey sprocket operation scheme drawing.
Figure 11 is the A-A section-drawing of Figure 10.
Figure 12 is the annexation scheme drawing between jockey sprocket, level land wheel and framework.
Figure 13 is the lateral plan of Figure 12.
In conjunction with Figure of description integral structure of the present utility model is described in further detail:
Shown in Figure 1: this car for going upstairs and downstairs is made up of chain 1, jockey sprocket 2, level walking wheel 3, wagon box 4, car handrail 5 and connecting frame 6.Its middle frame 6 has two, makes the bottom of its secured in parallel at wagon box by bolt respectively.Handrail 5 is by being bolted to framework two outsides.Shown in Fig. 1,12,13, framework 6 is a grooved, chain 1 and jockey sprocket 2 by axle mounting in two frame slots, level walking wheel 3 is installed in the outside of two grooved frameworks respectively by adapter shaft.Fig. 4～6 and Fig. 7～9 have been showed the structure of chain link 7 and chain link 8 respectively, chain link 8 is less than chain link 7, Fig. 2～3 and shown in Figure 11: chain link 7 is inserted mutually by rivet shaft 9 and sleeve pipe 10 more pieces with chain link 8 and has been connected and composed a kind of external closing type chain 1, and the spacing of 0.2mm is arranged at two chain internodes.Figure 10 has represented chain and jockey sprocket mode of operation when going downstairs on this stairs clambing handcart, stressed when going up downstairs because of chain, jockey sprocket 2 motions before and after making, self paves the way front-wheel, and trailing wheel is rolled chain, because each edge, baseplane matches when connecting between the chain link, chain a straight line, also just constitute the external closing type chain, can only inwardly rotate during work, as long as just form two ramp type tracks, but make travelling of car safety and steady to two fulcrums of outerplanar.Work when level walking wheel 3 just walk on the plane, at this moment chain is static, and when going up downstairs mainly be chain and jockey sprocket in work, the level land is taken turns 3 and is played simple support.
Claims (2)
1, a kind of chain-type stairs clambing handcart, comprise level walking wheel (3), wagon box (4), car handrail (5) and fixing vehicle wheel framework (6), it is characterized in that the front and back jockey sprocket (2) that is provided with an external closing type chain (1) and matches in the framework (6) of wagon box (4) bottom with chain.
2, chain-type stairs clambing handcart according to claim 1 is characterized in that this external closing type chain (1) is formed by connecting by axle (9) and axle sleeve (10) by grooved chain link (7) and grooved chain link (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95210441 CN2233868Y (en) | 1995-05-03 | 1995-05-03 | Chain type trolley for travelling up stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95210441 CN2233868Y (en) | 1995-05-03 | 1995-05-03 | Chain type trolley for travelling up stairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2233868Y true CN2233868Y (en) | 1996-08-28 |
Family
ID=33861163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95210441 Expired - Fee Related CN2233868Y (en) | 1995-05-03 | 1995-05-03 | Chain type trolley for travelling up stairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2233868Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372040A (en) * | 2011-07-25 | 2012-03-14 | 深圳职业技术学院 | Weight loading device for climbing up stairs |
-
1995
- 1995-05-03 CN CN 95210441 patent/CN2233868Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372040A (en) * | 2011-07-25 | 2012-03-14 | 深圳职业技术学院 | Weight loading device for climbing up stairs |
| CN102372040B (en) * | 2011-07-25 | 2013-11-27 | 深圳职业技术学院 | Weight loading device for climbing up stairs |
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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 |