Title:
CONVERTIBLE INFLATION NOZZLE AND AIR PUMP USING INFLATION NOZZLE
Document Type and Number:
WIPO Patent Application WO/2021/056660
Kind Code:
A1
Abstract:
Provided is a convertible inflation nozzle, comprising an air outlet tube (1) and a locking tube (2) connected to one end of said air outlet tube (1); a core tube (3) is slidably connected inside the outlet pipe (1), the core tube (3) and the outlet tube (1) being arranged coaxially; a spring (11) is connected between the core tube (3) and the outlet tube (1); on the inner wall of one end of the locking tube (2) away from the air outlet tube (1), a first internal thread (21) threadedly engaged with a US-American air pump and a second internal thread (22) threadedly engaged with a French air pump are arranged in sequence, from the outside to the inside; connected between the air outlet tube (1) and the locking tube (2) is a positioning assembly (4), which protrudes from the first internal thread (21) and the second internal thread (22) and which is used for positioning the core nozzle of the core tube (3); when the spring (11) is in its natural state, the core nozzle of the core tube (3) protrudes from the first internal thread (21). Also disclosed is an air pump using the inflation nozzle, comprising an inflation assembly (6), the inflatable assembly (6) being in communication with the air outlet pipe (1). The arrangement is such that the air pump enables common use of US-American and French nozzles, and is convenient for a user to switch flexibly according to actual requirements.
More Like This:
| WO/2018/155209 | COMPRESSOR PISTON, COMPRESSOR, AND HEAT PUMP UNIT |
Inventors:
REN CHENYAN (CN)
Application Number:
PCT/CN2019/113199
Publication Date:
April 01, 2021
Filing Date:
October 25, 2019
Export Citation:
Assignee:
DONGGUAN JIAGUAN SPORTS EQUIPMENT CO LTD (CN)
International Classes:
F04B39/12
Foreign References:
| CN106089654B | 2018-06-05 | |||
| CN205877476U | 2017-01-11 | |||
| DE102014110792B3 | 2015-11-19 | |||
| US20130186490A1 | 2013-07-25 |
Attorney, Agent or Firm:
BEIJING KEYI INTELLECTUAL PROPERTY FIRM (CN)
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