CN201503812U - Annular gravity pressing type power switch - Google Patents
Annular gravity pressing type power switch Download PDFInfo
- Publication number
- CN201503812U CN201503812U CN2009201656756U CN200920165675U CN201503812U CN 201503812 U CN201503812 U CN 201503812U CN 2009201656756 U CN2009201656756 U CN 2009201656756U CN 200920165675 U CN200920165675 U CN 200920165675U CN 201503812 U CN201503812 U CN 201503812U
- Authority
- CN
- China
- Prior art keywords
- outer casing
- circular ring
- metal
- shell
- center shaft
- 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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- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses an annular gravity pressing type power switch, which is provided with an outer casing. A metal center shaft arranged on the outer casing is connected with a conducting wire and insulated with the outer casing, the periphery of the metal center shaft is provided with a small metal circular ring connected with the conducting wire, the small metal circular ring is connected with the outer casing through a spring, the periphery of the small metal circular ring is provided with a relatively large circular ring, and when the outer casing is in a horizontal state or approaches the horizontal state, the small metal circular ring and the metal center shaft are disconnected and keep a certain distance. When generating gravity, the outer casing is vertical or approaches a vertical state, and then the small metal circular ring on the outer casing is abutted with the center shaft due to pressing action by aid of gravity generated by the large circular ring, thereby leading a circuit of an alarming device to be in a closing state to send alarming signals.
Description
Technical field the utility model relates to automatic warning appurtenance, directly relates to annular gravity push type mains switch.
Background technology is present, and the method that first-aid patients is commonly used generally is by calling out or call emergency, be in state of necessity when crying for help owing to patient, usually can not in time succouring.
The summary of the invention the purpose of this utility model will provide a kind of annular gravity push type mains switch exactly, it can make people sick or in danger connect warning device automatically when falling down, people can rescue after receiving the sound and light signal that warning device sends as soon as possible.
The purpose of this utility model is achieved in that to have shell, the metal center axle is arranged on the shell, the metal center axle connect lead and and casing insulation, the metal small circle ring that is connected with lead is arranged around the metal center axle, the metal small circle ring is connected with shell by spring, around the metal small circle ring a bigger annulus is arranged, when shell is in level or during near level, the metal small circle ring is not connected with the metal center axle, and keeps certain distance.
Appended drawings is the structure principle chart of the utility model annular gravity push type mains switch, and the utility model is described in further detail below in conjunction with accompanying drawing.
The embodiment accompanying drawing shows structure of the present utility model, has shell 1, metal center axle 2 is arranged on the shell 1, metal center axle 2 connects lead and insulate with shell 1, the metal small circle ring 3 that is connected with lead is arranged around the metal center axle 2, metal small circle ring 3 is connected with shell 1 by spring 4, a bigger annulus 5 is arranged around the metal small circle ring 3, it is characterized in that: when shell 1 is in level or during near level, metal small circle ring 3 is not connected with metal center axle 2, and keeps certain distance.When the plane of shell is in vertical state or angle of inclination when big, the outer large circle of small circle ring 3 because of the effect that is subjected to gravity to lower slider, thereby to small circle ring 3 generations pressing force from top to bottom, because the gravity of this large circle is greater than the holding power of the fixing spring on the small circle ring 34, and small circle ring 3 is contacted with central shaft 2, so warning device forms closed circuit, make warning device form operating state, send alarm signal.
Claims (1)
1. annular gravity push type mains switch, has shell (1), metal center axle (2) is arranged on the shell (1), metal center axle (2) connects lead and insulate with shell (1), the metal small circle ring (3) that is connected with lead is arranged around the metal center axle (2), metal small circle ring (3) is connected with shell (1) by spring (4), a bigger annulus (5) is arranged around the metal small circle ring (3), it is characterized in that: when shell (1) is in level or during near level, metal small circle ring (3) is not connected with metal center axle (2), and keeps certain distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201656756U CN201503812U (en) | 2009-07-23 | 2009-07-23 | Annular gravity pressing type power switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201656756U CN201503812U (en) | 2009-07-23 | 2009-07-23 | Annular gravity pressing type power switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201503812U true CN201503812U (en) | 2010-06-09 |
Family
ID=42454741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201656756U Expired - Fee Related CN201503812U (en) | 2009-07-23 | 2009-07-23 | Annular gravity pressing type power switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201503812U (en) |
-
2009
- 2009-07-23 CN CN2009201656756U patent/CN201503812U/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: 20100609 Termination date: 20100723 |