CN86208201U - Low-noise oil-free air pump with dual-diaphragm driven by single-phase motor - Google Patents
Low-noise oil-free air pump with dual-diaphragm driven by single-phase motorInfo
- Publication number
- CN86208201U CN86208201U CN 86208201 CN86208201U CN86208201U CN 86208201 U CN86208201 U CN 86208201U CN 86208201 CN86208201 CN 86208201 CN 86208201 U CN86208201 U CN 86208201U CN 86208201 U CN86208201 U CN 86208201U
- Authority
- CN
- China
- Prior art keywords
- air pump
- free air
- pump
- diaphragms
- noise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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- Reciprocating Pumps (AREA)
Abstract
The utility model provides a single-phase low-noise oil-free air pump with two diaphragms. The single-phase low-noise oil-free air pump with the two diaphragms is characterized in that an eccentric shaft connected with a motor shaft is connected with two linking rods and two diaphragms by bearings to form two cylinder pumps which are symmetrically arranged in 180 DEG. The single-phase low-noise oil-free air pump with the two diaphragms adopts a single-phase motor, and is provided with a silencing cover. When the single-phase low-noise oil-free air pump with the two diaphragms normally operates, the noise is lower than 57.5 decibels, the rated pressure is 0.5 kilograms/square cm, the flow rate is 0.5 cubic meter/minute, and the power consumption is 0.75 kilowatts. Compressed air outputted by the single-phase low-noise oil-free air pump with the two diaphragms is clean and oil-free, and the temperature rise of the compressed air is below 25 DEG C. The single-phase low-noise oil-free air pump with the two diaphragms can be used for the industries of medical hygiene, medicines, foodstuffs, etc.
Description
The utility model belongs to the pump that has tabular flexure member and be adapted to elastic fluid especially.
Do not have the clean pressurized air of oil for obtaining, adopt piston type that oil gas pump air filter oil system is after filtration arranged usually, another kind is revolving blade air pump, but the low-pressure air temperature rise of this pump output is higher and contain mist of oil.China is comparatively desirable with the diaphragm type compressor pump of the oil-free lubrication of Guangzhou Medical Apparatus and Instruments Factory's development and production at present, and the low-pressure gas temperature rise of output is lower, yet it is the pump of a kind of single connecting rod, single-iris, single cylinder, and reaching the output rated pressure is 0.5 kilograms per centimeter
2, rated flow is 0.5 meter
3/ minute pressurized air need to adopt power be that 2.2 kilowatts motor drives, general single phase motor power is below 0.75 kilowatt, can only adopt three phase motor to match with compressor pump for this reason, this installation to the user brings very big inconvenience, and because the big power consumption of power is many, simultaneously owing to have only single connecting rod on the eccentric shaft, for center of gravity and the electrical axis that makes eccentric shaft overlaps, must on motor main shaft, dispose equilibrium block and overcome the centrifugal force that eccentric shaft produces, but it is steady inadequately that pump still turns round when work, vibrations are big, noise is big, reach 68 decibels at the noise that normal operation produced, surpassed the Ministry of Public Health and required noise to be lower than 65 decibels, install so pump does need to build pump house in addition when medical equipment use to the ministry standard of medical apparatus, the user uses inconvenience, the cost of investment height.
Do not have the shortcoming of oil gas pump for overcoming above-mentioned single-iris, the utility model provides a kind of single-phase pair of diaphragm low noise not have the oil gas pump, and it is in output rated pressure 0.5 kilograms per centimeter
2, 0.5 meter of flow
3/ timesharing is 0.75 kilowatt of wasted work rate only, then can adopt single phase motor.This low pressure does not have the oil gas pump can save energy consumption, not having the oil gas pump with above-mentioned single-iris compares, can save approximately 2/3 under same output pressure and flow, and the running of this air pump steadily, shakes little, noise is low, the noise of air pump when running well can reach below 57.5 decibels, meets the ministry standard requirement of medical apparatus, can enter the ward, need not to build in addition pump house, easy to install.
The utility model is to carry out like this: single phase motor connects the 220V power supply, start the back and drive the eccentric shaft rotation, drive two connecting rods by two bearings that are installed on the eccentric shaft, pressing plate is fastened on small end, the canvas filler rubber diaphragm is fastened between two block pressur plates reciprocating with connecting rod, when whenever circling, eccentric shaft make symmetrically arranged two cylinders of 180 degree finish an air inlet and exhaust, each is controlled each cylinder intake and exhaust by diaphragm type suction valve and outlet valve, pressurized gas by about two end caps be pooled to pump housing top, export by the gas transmission joint.
A flywheel has been installed before eccentric shaft, has been increased the inertia of eccentric shaft running, reduced energy consumption, reduced vibrations.
Double diaphragm pump provided by the utility model connects the position of two bearings of two connecting rods and eccentric shaft, can be in the both sides of the symmetry of motor main shaft line, and such two cylinders are the exhausts simultaneously of air inlet simultaneously, can make the pump running steadily, and vibrations reduce.The position of two bearings also can be the homonymy at the motor main shaft line, and the air intake-exhaust of such two cylinders is to intersect to carry out.
For the ministry standard noise that reaches medical apparatus below 65 decibels, noise is low as far as possible in the running to make air pump, can be on the air pump base pads rubber anti-vibration mounting, air pump is loaded onto supporting silencer cover outward, and ventilating fan is arranged on the cover, with helping the air pump heat radiation.
Do not have oil gas pump structure accompanying drawing below in conjunction with single-phase pair of diaphragm low noise of embodiment 0.5/0.5 type and be elaborated it.
Accompanying drawing 1. is the front longitudinal sectional view of pump, 180 degree symmetries about its structure.
Accompanying drawing 2. is the A-A sectional view.
See accompanying drawing 1,2, single phase motor (13) connects the 220V ac power supply, starts to drive eccentric shaft (3) rotation, by bearing (5) drive link (6) of installing, the position of two bearings carries out two cylinders (16) intake and exhaust in the symmetrical both sides of motor main shaft center line simultaneously.Between two block pressur plates that canvas filler rubber diaphragm (7) is fastened on and connecting rod joins, reciprocating with connecting rod.Cylinder intake is by diaphragm type air valve (8) control, and exhaust is controlled by diaphragm type air valve (9).When diaphragm (7) volume of cylinder increase when moving right, pressure reduces, wash suction valve (8) inflow cylinder open from the air that suction port (15) enters, when diaphragm (7) during to left movement volume of cylinder reduce, pressure increases, pressurized gas just close suction valve (8) and push open outlet valve (9) by about two end caps (10) and (1) be pooled to the pump housing (4) top, export by gas transmission joint (12).In order to reduce power, increase the inertia motion of eccentric shaft, a plate-like flywheel (2) has been installed before eccentric shaft.In order to make air pump when work reduce vibrations and noise, the air pump base is lined with rubber anti-vibration mounting (14) again.Air pump has supporting silencer cover (11) outward.
Air pump described in the utility model can adopt the part manufacturing process manufacturing in addition of common machinery by the accompanying drawing structure.
The single-phase diaphragm low noise of a kind of 0.5/0.5 type provided by the utility model does not have the oil gas pump, the clean pressurized gas that does not have oil of output, rated pressure 0.5 kilograms per centimeter
2, rated flow reaches 0.5 meter
3/ minute, use the 220V+10% ac power supply, 0.75 kilowatt of institute's wasted work rate, noise is lower than 57.5 decibels during proper functioning, and temperature rise is applicable to the air feed air pump of external counterpulsation apparatus below 25 ℃, it is a kind of air pressure pump commonly used, can make medical apparatus and instruments, enter ward usefulness, also can be used for industries such as medicine food for medical treatment.This air pump has the saving energy consumption, uses single-phase 220 volts of power supplys, and is easy for installation, and running steadily during work, vibrations are little, noise is low, is better than like product.
Claims (3)
1, a kind of low pressure oil-free air compressor pump of forming by motor, the pump housing, end cap, eccentric shaft, connecting rod, canvas filler rubber diaphragm, suction valve, outlet valve, suction port, gas transmission joint, before it is characterized in that adopting single phase motor, eccentric shaft a flywheel is installed, is connected double link, symmetrically arranged two cylinders of two diaphragm composition 180 degree by two bearings on the eccentric shaft.
2, low pressure oil-free air compressor pump according to claim 1 is characterized in that two bearings on the eccentric shaft are in the both sides of motor axis symmetry.
3, low pressure oil-free air compressor pump according to claim 1 is characterized in that the base of pump has rubber anti-vibration mounting, and pump has supporting silencer cover outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86208201 CN86208201U (en) | 1986-10-29 | 1986-10-29 | Low-noise oil-free air pump with dual-diaphragm driven by single-phase motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86208201 CN86208201U (en) | 1986-10-29 | 1986-10-29 | Low-noise oil-free air pump with dual-diaphragm driven by single-phase motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86208201U true CN86208201U (en) | 1987-12-12 |
Family
ID=4810466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86208201 Withdrawn CN86208201U (en) | 1986-10-29 | 1986-10-29 | Low-noise oil-free air pump with dual-diaphragm driven by single-phase motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86208201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101384459B (en) * | 2006-02-10 | 2010-10-13 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Motor pump assembly |
-
1986
- 1986-10-29 CN CN 86208201 patent/CN86208201U/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101384459B (en) * | 2006-02-10 | 2010-10-13 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Motor pump assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |