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A convenient air pump air nozzle assembly

A pump and air nozzle technology, applied in pump components, variable volume pump components, liquid variable volume machinery, etc., can solve the problems of poor tightening force of tire air nozzles, inconvenient use, and inability to be used for high-pressure inflation, etc. To achieve the effect of convenient and fast use and lengthening the force arm

Active Publication Date: 2017-10-31
ANHUI XINDALU SPECIAL PAINT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But no matter what type of pump air nozzle, there are currently two main ways to tighten it with the tire air nozzle. One is the pull tightening type. The tightness is poor and cannot be used for high-pressure inflation; the other is spiral tightening. Although this method has strong tightening force, it requires the user to reach out to the tire during the connection process between the pump nozzle and the tire nozzle. Tighten the air nozzle of the pump by hand between the two steel wires, which is extremely inconvenient and inefficient to use in the small space of the tire

Method used

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  • A convenient air pump air nozzle assembly
  • A convenient air pump air nozzle assembly
  • A convenient air pump air nozzle assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: As shown in the figure, an easy-to-use air pump nozzle assembly includes a housing 1 and a valve core assembly 2 for threaded connection and fixation with the tire valve, the housing 1 and the gas outlet end of the pump (Fig. (not shown in ) is fixedly connected, the valve core assembly 2 includes a core body 21, a top core 22 and a third spring 23, the housing 1 is provided with a first inner chamber 11, and the core body 21 is sealed and plugged into the first inner chamber 11 , the shell 1 is provided with an air channel 12 for communicating with the first inner chamber 11 and the outlet end of the pump (not shown in the figure), and the core 21 is provided with a second inner chamber 211 communicating with the first inner chamber 11 , The top core 22 is located in the second inner cavity 211, the third spring 23 is connected between the top core 22 and the inner bottom of the first inner cavity 11, and the wall of the second inner cavity 211 is integral...

Embodiment 2

[0027]Embodiment 2: other structures are the same as Embodiment 1, the difference is that the ratchet transmission mechanism includes a ratchet, and the outer peripheral surface of the core body 21 is integrally provided with a ratchet 28, the ratchet is hinged in the shell 1, and the ratchet The pawl is engaged with the ratchet wheel 28, and when the housing 1 is rotated, the pawl pushes the core body 21 to rotate in one direction, and the core body 21 and the tire air nozzle are tightened and fixed.

[0028] In the above embodiment, the air nozzle core assembly 2 can also be a non-universal air nozzle, such as an American-style air nozzle that only matches the American-style tire air nozzle, or a French-style air nozzle that only matches the French-style tire air nozzle.

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PUM

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Abstract

The invention discloses an inflator air nozzle assembly convenient to use, characterized by comprising a housing and a nozzle element assembly for threaded connection with a tire nozzle, the housing is fixedly connected with an exhaust end of the inflator, the nozzle element assembly is rotatably disposed inside the housing and in communication with the exhaust end of the nozzle element assembly, a ratchet wheel transmission mechanism is disposed between the nozzle element assembly and the tire nozzle; the invention has the advantages that a user can inflate a tire without stretching hands between two steel wires of a tire so as to turn the inflator's nozzle and then just by holding a body of an inflating barrel or an exhaust pipe, facilitating and quickening the usage; an arm of force application is lengthened, saving labor to certain degree; in addition, the inflator nozzle assembly can be used in smaller tire spaces.

Description

technical field [0001] The invention relates to an air pump, in particular to an air nozzle assembly of the air pump which is convenient to use. Background technique [0002] At present, there are mainly two types of air nozzles on bicycles, baby carriages and other tires: American air nozzles and French air nozzles. Correspondingly, the air pumps mainly include American air nozzles, French air nozzles and two different types of tire air nozzles general-purpose nozzle. But no matter what type of pump air nozzle, there are currently two main ways to tighten it with the tire air nozzle. One is the pull tightening type. The tightness is poor and cannot be used for high-pressure inflation; the other is spiral tightening. Although this method has strong tightening force, it requires the user to reach out to the tire during the connection process between the pump nozzle and the tire nozzle. Tighten the air nozzle of the pump by hand between the two steel wires, which is extremel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B39/12
CPCF04B39/123
Inventor 蔡岳
Owner ANHUI XINDALU SPECIAL PAINT CO LTD
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