Title:
SUCTION CUP WITH ALARM FUNCTION
Document Type and Number:
WIPO Patent Application WO/2021/027030
Kind Code:
A1
Abstract:
Disclosed is a suction cup with an alarm function, comprising a suction cup body (1), a top cover (7), a shell (2), and a piston rod (3) assembled inside the shell (2) in a sliding and sealing manner, wherein a negative pressure cavity (22) is formed between one end of the piston rod (3) and the bottom wall of the shell (2); the negative pressure cavity (22) is in communication with an inner cavity of the suction cup body (1); and an elastic member is assembled between the piston rod (3) and the shell (2) in a jacking manner. The suction cup further comprises a travel switch (4), and an alarm system electrically connected with the travel switch (4). The piston rod (3) is provided in the journey thereof with an electricity conduction position where the travel switch (4) is triggered so as to enable the alarm system be powered on, and a power-off position where the piston rod is separated from the travel switch (4) so as to enable the alarm system to be powered off. When the piston rod (3) triggers the travel switch (4) to enable the alarm system to be in electricity conduction communication, a buzzer or an indication lamp (61) of the alarm system gives an alarm signal, and when the piston rod (3) is separated from the travel switch (4), the alarm system is powered off, the buzzer or the indication lamp (61) fails to give an alarm, and the alarm system actively give an alarm to people in the form of sounds or light, such that people can check gas leakage information.
More Like This:
| WO/2000/026548 | A SAFETY DEVICE |
Inventors:
QIN LING (CN)
Application Number:
PCT/CN2019/107736
Publication Date:
February 18, 2021
Filing Date:
September 25, 2019
Export Citation:
Assignee:
QIN LING (CN)
International Classes:
F16B47/00; B60R9/058
Foreign References:
| CN206830616U | 2018-01-02 | |||
| CN2276424Y | 1998-03-18 | |||
| CN206243051U | 2017-06-13 | |||
| CN207634498U | 2018-07-20 | |||
| CN2574927Y | 2003-09-24 | |||
| KR20090017950A | 2009-02-19 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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