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Electric air pump

A technology of electric air pump and pump barrel, applied in the direction of pump, pump control, piston pump, etc., can solve problems such as low work efficiency and loud noise, and achieve the effect of improving work efficiency

Inactive Publication Date: 2021-11-09
魏磊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the asymmetric structure of the eccentric body, it will generate a lot of vibration and noise during operation, which limits its use in some environments that require quietness
[0003] As we all know, in a working cycle, the piston of the electric air pump only has one stroke to work, and the other stroke is to return without load. The piston of the existing electric air pump moves at the same speed in these two strokes, resulting in low work efficiency.

Method used

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  • Electric air pump
  • Electric air pump
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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] An electric air pump, comprising a pump barrel 1, the front end of the pump barrel 1 is provided with an intake check valve 2 and an air outlet check valve 3, the pump barrel 1 is provided with a piston 4, and the rear end of the pump barrel 1 is provided with a drive piston 4 to reciprocate The driving assembly includes a frame 5, a two-way screw shaft 6, a rail rod 7, a slider 8, a connecting rod 9, a motor 10, and a controller 11, and the frame 5 is fixedly arranged outside the rear of the pump cylinder 1. end, the two-way screw shaft 6 is rotated and arranged in the middle of the frame 5, the two-way screw shaft 6 is provided with a left helical groove 12 and a right helical groove 13, the pitch of the right helical groove 13 is greater than the pitch of the left helical groove 12, and the left helical groove 12 and the right helical groove 13 are connected ...

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Abstract

The invention discloses an electric air pump which comprises a pump cylinder. A piston is arranged in the pump cylinder; a driving assembly for driving the piston to reciprocate is arranged at the rear end of the pump cylinder; the driving assembly comprises a rack, a bidirectional screw shaft, a guide rail rod, a sliding part, a connecting rod, a motor and a controller; a left spiral groove and a right spiral groove are formed in the bidirectional screw shaft; and the pitch of the right spiral groove is larger than the pitch of the left spiral groove. The electric air pump provided by the invention can be used for air inflation and air exhaust, does not generate vibration in the operation process, has the advantages of being stable and mute, can ensure that large power is generated by low-speed feeding when the piston works no matter air inflation or air exhaust is carried out, and can rapidly return when the piston is in a no-load state, so that the working efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of electric tools, in particular to an electric air pump. Background technique [0002] Most of the existing electric air pumps are that the motor drives the eccentric body to rotate, and the eccentric body drives the piston to reciprocate. However, since the eccentric body has an asymmetric structure, it will generate a lot of vibration and noise during operation, which limits its use in some quiet environments. [0003] As we all know, the piston of the electric air pump has only one stroke to work in one working cycle, and the other stroke is to return without load. The piston of the existing electric air pump moves at the same speed in these two strokes, resulting in low work efficiency. Contents of the invention [0004] In order to solve the deficiencies of the prior art, the invention provides an electric air pump. [0005] The technical scheme adopted in the present invention is: an electric air ...

Claims

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Application Information

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IPC IPC(8): F04B35/04F04B39/00F04B39/12F04B49/06
CPCF04B35/04F04B39/0005F04B39/122F04B49/06
Inventor 魏磊
Owner 魏磊