Title:
DIVING SNORKEL HAVING HIGHER SAFETY
Document Type and Number:
WIPO Patent Application WO/2021/036090
Kind Code:
A1
Abstract:
Disclosed in the present utility model is a diving snorkel having higher safety, comprising a tube head, a bent tube, a breathing tube, an air inlet head, and a mouthpiece. An air inlet channel is formed among the air inlet head, the breathing tube, the bent tube, the tube head, and the mouthpiece; an exhaust channel is further provided inside the snorkel, and the exhaust channel and the air inlet channel are isolated from each other; a one-way air inlet valve is provided in the air inlet channel; an inlet of the exhaust channel is provided between the one-way air inlet valve and the mouthpiece and is provided with a one-way exhaust valve; and an outlet of the exhaust channel is provided with a one-way exhaust valve. According to the present utility model, an isolation sheet is provided in the snorkel; an exhaust channel is isolated in the snorkel; meanwhile, the one-way air inlet valve is provided in the air inlet channel, the one-way exhaust drain valve is provided at the inlet of the exhaust channel, and the one-way exhaust valve is provided at the outlet of the exhaust channel, so that inlet air and exhaust air can be isolated, carbon dioxide is prevented from remaining in the tube, and the use comfort and safety of a user are improved.
More Like This:
| JPH0715498 | [Name of device] Snorkel |
| WO/2020/178529 | DIVING MASK WITH PRESSURE-BALANCING MEANS |
Inventors:
HUANG GUANHAO (CN)
Application Number:
PCT/CN2019/124172
Publication Date:
March 04, 2021
Filing Date:
December 10, 2019
Export Citation:
Assignee:
DONGGUAN HONGHAO SPORT PRODUCTS CO LTD (CN)
International Classes:
B63C11/16
Foreign References:
| CN202953156U | 2013-05-29 | |||
| DE102004062556A1 | 2005-08-04 | |||
| CN208630830U | 2019-03-22 | |||
| US20110168173A1 | 2011-07-14 | |||
| CN106741751A | 2017-05-31 |
Attorney, Agent or Firm:
BEIJING KEYI INTELLECTUAL PROPERTY FIRM (CN)
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