CN203097545U - Pulley free of screws - Google Patents
Pulley free of screws Download PDFInfo
- Publication number
- CN203097545U CN203097545U CN 201320044510 CN201320044510U CN203097545U CN 203097545 U CN203097545 U CN 203097545U CN 201320044510 CN201320044510 CN 201320044510 CN 201320044510 U CN201320044510 U CN 201320044510U CN 203097545 U CN203097545 U CN 203097545U
- Authority
- CN
- China
- Prior art keywords
- pulley
- utility
- model
- screws
- sleeve
- 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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- Pulleys (AREA)
Abstract
The utility model provides a pulley free of screws. The pulley free of the screws comprises a pulley body and a pulley sleeve. A protruding check block is arranged on the upper portion of the pulley sleeve. The pulley free of the screws has the advantages of being simple in structure and convenient to install and use. The pulley body can not fall out of the pulley sleeve in the sliding process.
Description
Technical field
The utility model relates to the window field of accessories, specially refers to the no screw pulley that a kind of window is used.
Background technology
Along with improving constantly of science and technology, nowadays the window used always of people is can plug-type aluminum window, and this window needs to install pulley on framework.
Window generally has two kinds with pulley, and a kind of is band screw pulley, and a kind of is no screw pulley.At no screw pulley, traditional pulley drops out pulley sleeve easily in sliding process, install and use trouble.
Summary of the invention
In order to overcome the defective of prior art, the utility model provides following technical scheme:
A kind of no screw pulley comprises pulley and pulley sleeve, wears an outstanding block above pulley sleeve.
The beneficial effect that the utility model brought is: simple in structure, easy to install, the slip middle pulley can not drop out pulley sleeve.
Description of drawings
Fig. 1 is the utility model schematic diagram;
Fig. 2 is Fig. 1 schematic side view.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby protection domain of the present utility model is made more explicit defining so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that.
See also Fig. 1 and Fig. 2, a kind of no screw pulley comprises pulley 2 and pulley sleeve 1, wears an outstanding block 3 above pulley sleeve 1.
The utility model is simple in structure, and is easy to install, and the slip middle pulley can not drop out pulley sleeve.
The above; it only is the specific embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any those of ordinary skill in the art are in the disclosed technical scope of the utility model; variation or the replacement that can expect without creative work all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.
Claims (1)
1. a no screw pulley comprises pulley and pulley sleeve, it is characterized in that, wears an outstanding block above pulley sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320044510 CN203097545U (en) | 2013-01-28 | 2013-01-28 | Pulley free of screws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320044510 CN203097545U (en) | 2013-01-28 | 2013-01-28 | Pulley free of screws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203097545U true CN203097545U (en) | 2013-07-31 |
Family
ID=48848956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320044510 Expired - Fee Related CN203097545U (en) | 2013-01-28 | 2013-01-28 | Pulley free of screws |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203097545U (en) |
-
2013
- 2013-01-28 CN CN 201320044510 patent/CN203097545U/en not_active Expired - Fee Related
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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: 20130731 Termination date: 20140128 |