CN111536021A

CN111536021A - Diaphragm air pump

Info

Publication number: CN111536021A
Application number: CN202010347683.3A
Authority: CN
Inventors: 黄军明
Original assignee: Suzhou Nerd Electronic Technology Co ltd
Current assignee: Suzhou Nerd Electronic Technology Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-08-14

Abstract

The invention discloses a diaphragm air pump, comprising: the air-sea-type ship comprises a main ship shell and a bottom cover, wherein two magnet cores are arranged in the main ship shell, a wire bridge and an electromagnetic coil are arranged on the two magnet cores, a piston assembly and a diaphragm assembly are arranged between the two magnet cores in an embedded mode, the piston assembly comprises a piston arranged between the two magnet cores and two piston magnetic blocks arranged in the piston in an embedded mode, the diaphragm assembly comprises a diaphragm, an air sea and an air sea cover, the diaphragm is sleeved on a piston central shaft, a first air inlet hole, an air outlet hole and a ventilation pad are arranged in the air sea, the air sea cover is fixedly connected with the air sea through screws, the air sea is detachably arranged on the main ship shell, and after the air sea and the main ship shell are installed, the first air inlet hole is communicated with a second air inlet. According to the diaphragm air pump provided by the invention, the main ship shell is connected with the bottom cover in an inserting manner, and the magnetic core is directly clamped in the main ship shell without screws, so that the motion safety of the pump is greatly improved, and the service life of the pump is prolonged.

Description

Diaphragm air pump

Technical Field

The invention relates to the field of air pumps, in particular to a diaphragm air pump.

Background

The electromagnetic air pump is widely applied as a low-pressure low-flow air pressure source in medical occasions such as a portable electric suction device, a tourniquet, an air mattress bed and the like, the vacuum degree requirement of the air pump in the industries such as medical equipment, experimental instruments, automobile industry, beverage household appliances, environmental protection and the like is higher at present, the abrasion of an electric brush can exist in the driving of a general motor, the service life of the pump is influenced, and the volume of an electromagnetic driving body is slightly larger.

Disclosure of Invention

The invention mainly solves the technical problem of providing the diaphragm air pump, the main ship shell is connected with the bottom cover in an inserting mode, the magnet core is directly clamped in the main ship shell in a clamping mode, punching and fixing are not needed on the magnet core, the quality of the air pump is ensured, the motion safety of the pump is greatly improved, and the service life of the pump is prolonged.

In order to solve the technical problems, the invention adopts a technical scheme that: provided is a diaphragm air pump including: the bottom that the hull of the main ship body reaches and is connected with the hull of the main ship body in an inserting way, be equipped with two magnet cores that the parameter equals in the hull of the main ship, two be provided with wire bridge and solenoid on the magnet core, it is provided with piston assembly and diaphragm assembly to be located the embedding between two magnet cores, piston assembly sets up the piston magnetic path in the piston including setting up piston and two embeddings between two magnet cores, diaphragm assembly locates diaphragm, air sea and air sea lid on the piston center pin including the cover, be provided with first inlet port, venthole, pad of taking a breath in the air sea, the air sea lid pass through the screw with air sea fixed connection, air sea detachable install in on the hull of the main ship, after the air sea finishes with the hull of the main ship body installation, first inlet port is linked together with the second inlet port on the hull of the main ship body.

In a preferred embodiment of the present invention, the bottom cover has a plurality of positioning posts on an upper surface thereof, and the main hull has a plurality of positioning holes for engaging with the positioning posts.

In a preferred embodiment of the present invention, a bottom cap sealing ring is sleeved on the inner side of the bottom cap.

In a preferred embodiment of the present invention, four shock-proof feet are disposed on the lower surface of the bottom cover.

In a preferred embodiment of the present invention, a piston pad is sleeved inside the piston.

In a preferred embodiment of the invention, the back of the air sea is provided with an air sea sealing gasket.

In a preferred embodiment of the invention, a non-slip pad is arranged between the piston and the air-sea gasket.

In a preferred embodiment of the invention, the air vessel is detachably connected to the hull of the main vessel by means of screws.

In a preferred embodiment of the invention, the ventilation gasket is arranged on a rubber supporting pin on the air sea cover.

In a preferred embodiment of the invention, a thermal fuse is arranged on the wire bridge.

The invention has the beneficial effects that: according to the diaphragm air pump, the main ship shell and the bottom cover are connected in an inserting mode through the positioning columns and the positioning holes, the diaphragm air pump is convenient to install, the working efficiency of a user is improved, the main ship shell and the bottom cover are fixed through the nuts after being inserted, the magnet core is directly clamped in the main ship shell in a clamping mode, punching and fixing are not needed on the magnet core, magnetic field force generated by the magnet core cannot be damaged, the quality of the air pump is guaranteed, the motion safety of the pump is greatly improved, the service life of the air pump is prolonged, the production time is saved, and the productivity efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is an exploded schematic view of a diaphragm air pump of the present invention;

fig. 2 is a side view of a diaphragm air pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention includes: a diaphragm air pump comprising: the ship comprises a main ship shell 1 and a bottom cover 2 connected with the main ship shell in an inserting mode, wherein two magnet cores 3 with equal parameters are arranged in the main ship shell, a wire bridge 4 and an electromagnetic coil 5 are fixed on the two magnet cores, a piston assembly and a diaphragm assembly are embedded between the two magnet cores, the piston assembly comprises a piston 6 arranged between the two magnet cores and two piston magnetic blocks 8 embedded in the piston, the diaphragm assembly comprises a diaphragm 10 sleeved on a piston central shaft 9, a gas sea 11 and a gas sea cover 12, a first gas inlet 13, a gas outlet 14 and a gas exchange pad 15 are arranged on the gas sea, specifically, a rubber support pin 16 is fixed on the gas sea cover, the gas sea cover is sleeved on the rubber support pin, the gas sea cover is fixedly installed with the gas sea through screws, the gas sea is detachably installed on the main ship shell through gas sea screws 7, and after the gas sea and the main ship shell are installed, the first air inlet hole 13 is communicated with a second air inlet hole 17 on the shell of a main ship, a third air inlet hole 18 is usually arranged on the shell of the main ship, air can be conveyed into the air pump through the third air inlet hole and can be fed into the air sea through the second air inlet hole, the diaphragm air pump has the working principle that a magnetic field is formed by a magnet core, a wire bridge and an electromagnetic coil, when the electromagnetic coil is switched on with alternating current, the magnet core and the electromagnetic coil can generate positive and negative magnetic field forces, the positive and negative magnetic field forces act on a piston, so that the whole set of working diaphragm moves on a piston central shaft, the diaphragm connected with the central shaft can generate positive and negative air pressure along the axial reciprocating motion of the piston central shaft, a ventilation cushion can be sucked or pushed out to close or open the air outlet holes to work sequentially, and the produced air is sent out.

Further preferably, the upper surface of the bottom cover 2 is provided with a plurality of positioning columns 19, the main ship shell is provided with a plurality of positioning holes (not shown in the figure) matched with the positioning columns, the main ship shell is clamped on the bottom cover in a matched mode and then fixed through nuts, the magnetic core is directly fixed and clamped in the main ship shell, the punching installation is not needed, the installation and the operation of a user are convenient, and the work efficiency of the user is improved.

Further preferably, the inner side of the bottom cover is sleeved with a bottom cover sealing ring 20, so that the sealing performance of the air pump is further improved.

Preferably, four shock-proof feet 21 are arranged on the lower surface of the bottom cover and serve as shock-absorbing elements to protect the normal work of the pump body and the good surrounding environment of ground taking.

Preferably, a piston pad 22 is sleeved in the piston, a gas-sea sealing pad 23 is arranged on the back of the gas sea, and a non-slip pad 24 is arranged between the piston and the gas-sea sealing pad, so that the sealing performance of the gas sea is further improved.

Further preferably, a thermal fuse 25 is arranged on the wire bridge, and mainly plays a role in protecting electrical equipment from being burnt due to overheating, and the thermal fuse is utilized to protect the wire bridge, so that the thermal fuse can be fused when the current of the wire bridge is increased and the temperature is too high due to accidents, and the wire bridge is protected from being damaged.

In summary, the diaphragm air pump disclosed by the invention has the following beneficial effects:

(1) according to the diaphragm air pump, the main ship shell and the bottom cover are connected in an inserting mode through the positioning columns and the positioning holes, the mounting is convenient, the working efficiency of a user is improved, the main ship shell and the bottom cover are fixed through the nuts after the main ship shell and the bottom cover are connected in an inserting mode, the magnetic core is directly clamped in the main ship shell in a clamping mode, the magnetic core does not need to be punched and fixed, the magnetic core cannot be damaged to generate magnetic field force, and the quality of the air pump is guaranteed;

(2) greatly improves the motion safety of the pump, prolongs the service life of the air pump, saves the production time and improves the productivity efficiency.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A diaphragm air pump, comprising: the bottom that the hull of the main ship body reaches and is connected with the hull of the main ship body in an inserting way, be equipped with two magnet cores that the parameter equals in the hull of the main ship, two be provided with wire bridge and solenoid on the magnet core, it is provided with piston assembly and diaphragm assembly to be located the embedding between two magnet cores, piston assembly sets up the piston magnetic path in the piston including setting up piston and two embeddings between two magnet cores, diaphragm assembly locates diaphragm, air sea and air sea lid on the piston center pin including the cover, be provided with first inlet port, venthole, pad of taking a breath in the air sea, the air sea lid pass through the screw with air sea fixed connection, air sea detachable install in on the hull of the main ship, after the air sea finishes with the hull of the main ship body installation, first inlet port is linked together with the second inlet port on the hull of the main ship body.

2. The diaphragm air pump as claimed in claim 1, wherein the bottom cover has a plurality of positioning posts on the top surface thereof, and the main hull has a plurality of positioning holes thereon for engaging with the positioning posts.

3. The diaphragm air pump as claimed in claim 1, wherein a bottom cover sealing ring is sleeved on the inner side of the bottom cover.

4. The diaphragm air pump of claim 1, wherein the bottom cover is provided at a lower surface thereof with four shock-proof legs.

5. The diaphragm air pump of claim 1 wherein a piston pad is disposed within the piston sleeve.

6. The diaphragm air pump of claim 1 wherein the back of the air sea is provided with an air sea seal.

7. The diaphragm air pump of claim 1 wherein a non-slip pad is disposed between the piston and the air-sea seal.

8. The diaphragm air pump of claim 1, wherein the air sea is detachably connected to the main ship housing by screws.

9. The diaphragm air pump of claim 1 wherein said breather sleeve is disposed on a rubber support pin on the air sea cover.

10. The diaphragm air pump of claim 1 wherein a thermal fuse is disposed on said wire bridge.