CN201005194Y - Vibration-damping pulley special for staircase - Google Patents
Vibration-damping pulley special for staircase Download PDFInfo
- Publication number
- CN201005194Y CN201005194Y CNU2007200056765U CN200720005676U CN201005194Y CN 201005194 Y CN201005194 Y CN 201005194Y CN U2007200056765 U CNU2007200056765 U CN U2007200056765U CN 200720005676 U CN200720005676 U CN 200720005676U CN 201005194 Y CN201005194 Y CN 201005194Y
- Authority
- CN
- China
- Prior art keywords
- pulley
- damping
- utility
- shock absorption
- model
- 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 provides a pulley, specifically a single-purpose pulley of stairs shock absorption. The structure of the utility model comprises a central fixing shaft. An outer layer rotating wheel is connected to an outer layer of the central fixing shaft via a shaft bearing. At least three shock absorption sticks are equipped on the outer layer rotating wheel, and connecting rods are provided in the shock absorption sticks. One end of the connecting rod is connected to the bottom portion of the shock absorption stick via a spring, and the other end is connected with the pulley. Compared to the conventional technology, the utility model of the single-purpose pulley of stairs shock absorption has the advantages of reasonable design, simple structure, low production costs, convenient usage, extensive usage and the like.
Description
Technical field
The utility model relates to a kind of pulley, specifically provides a kind of stair special-purpose damping pulley.
Background technology
When people are carrying on the large volume leather trunk overline bridge or stair, can only be portable or pull, effort not only, and easily leather trunk is caused damage, and under the prior art, the pulley on the leather trunk can only be fit to it and drag on the level land, does not have suitable device to make it can adapt to different environment.
Summary of the invention
The utility model is at above deficiency, provide a kind of reasonable in design, simple in structure, cost of manufacture is low, the special-purpose damping pulley of stair easy to use and widely used.
The technical scheme that its technical problem that solves the utility model adopts is:
The special-purpose damping pulley of a kind of stair, comprise central fixed shaft, described central fixed shaft skin connects outer moving runner by bearing, described outer moving runner is provided with at least three damping rods, be provided with connecting rod in the damping rod, described connecting rod one end connects damping rod bottom by spring, and an end is connected with pulley.
Described damping rod is three, is equilateral triangle and is arranged on the outer moving runner.
Compared with prior art; the special-purpose damping pulley of a kind of stair of the present utility model; have reasonable in design, simple in structure, cost of manufacture is low, easy to use and characteristics such as be widely used; the special-purpose damping pulley of stair of the present utility model is applied on the leather trunk; the design of damping rod can alleviate when leather trunk is dragged on level road jolts; and have under the situation of step at stair etc., can help leather trunk one dragging successively, laborsaving and protection leather trunk is not damaged.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural front view of the special-purpose damping pulley of a kind of stair.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
Provide a most preferred embodiment below:
The special-purpose damping pulley of a kind of stair, comprise central fixed shaft 1, the described central fixed shaft 1 outer bearing 2 that passes through connects outer moving runner 3, described outer moving runner 3 is provided with at least three damping rods 4, be provided with connecting rod 5 in the damping rod 4, described connecting rod 5 one ends connect damping rod 4 bottoms by spring 6, and an end is connected with pulley 7.
Described damping rod 4 is three, is equilateral triangle and is arranged on the outer moving runner 3.
Above-described embodiment, the utility model specific embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (2)
1. the special-purpose damping pulley of stair, comprise central fixed shaft, described central fixed shaft skin connects outer moving runner by bearing, it is characterized in that, described outer moving runner is provided with at least three damping rods, be provided with connecting rod in the damping rod, described connecting rod one end connects damping rod bottom by spring, and an end is connected with pulley.
2. the special-purpose damping pulley of a kind of stair according to claim 1 is characterized in that described damping rod is three, is equilateral triangle and is arranged on the outer moving runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200056765U CN201005194Y (en) | 2007-03-13 | 2007-03-13 | Vibration-damping pulley special for staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200056765U CN201005194Y (en) | 2007-03-13 | 2007-03-13 | Vibration-damping pulley special for staircase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201005194Y true CN201005194Y (en) | 2008-01-16 |
Family
ID=39001128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200056765U Expired - Fee Related CN201005194Y (en) | 2007-03-13 | 2007-03-13 | Vibration-damping pulley special for staircase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201005194Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110742378A (en) * | 2019-10-21 | 2020-02-04 | 淮阴工学院 | Ladder-climbing multipurpose draw-bar box |
-
2007
- 2007-03-13 CN CNU2007200056765U patent/CN201005194Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110742378A (en) * | 2019-10-21 | 2020-02-04 | 淮阴工学院 | Ladder-climbing multipurpose draw-bar box |
| CN110742378B (en) * | 2019-10-21 | 2021-07-09 | 淮阴工学院 | Ladder-climbing multipurpose draw-bar box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080116 Termination date: 20130313 |