CN107975464A - A kind of Miniature vacuum pump without oil - Google Patents
A kind of Miniature vacuum pump without oil Download PDFInfo
- Publication number
- CN107975464A CN107975464A CN201610938387.4A CN201610938387A CN107975464A CN 107975464 A CN107975464 A CN 107975464A CN 201610938387 A CN201610938387 A CN 201610938387A CN 107975464 A CN107975464 A CN 107975464A
- Authority
- CN
- China
- Prior art keywords
- piston
- cylinder body
- vacuum pump
- piston rod
- component
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
- F04B39/0022—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
- F04B39/041—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod
- F04B39/042—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod sealing being provided on the piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The present invention provides a kind of Miniature vacuum pump without oil, including housing, cylinder body, piston component and drive component, the cylinder body, piston component and drive component are arranged in housing, the front end of the cylinder body is equipped with air inlet and exhaust outlet, the air inlet and exhaust ports are respectively equipped with intake valve and air bleeding valve, and the air inlet is connected by pipeline with by pumping container；The piston component includes piston head and piston rod, and the rear side of the piston head is equipped with the storage tank of indent, and the front end of the piston rod is connected with the slot bottom of storage tank, and the spring being set on the outside of piston rod is equipped with the storage tank；The driving component is arranged on the rear of cylinder body, it includes coil and iron core, and the coil is fixed on case inside, and the iron core sleeve is loaded on the outside of piston rod.It is the configuration of the present invention is simple, compact, have that the speed of exhaust is big, vacuum is high, vibration and noise are small, it is low in energy consumption, the advantages that long lifespan easy to carry and use.
Description
Technical field
The present invention relates to a kind of equipment vacuumized, and in particular to a kind of Miniature vacuum pump without oil.
Background technology
Oilless vacuum pump be it is a kind of without it is any oil make lubrication can operation oil-sealed rotary pump.At the nineties
There have been oilless vacuum pump, traditional piston type oilless vacuum pump is by cylinder, piston component and drive component three parts group
Into drive component drives the piston component in cylinder past using motor drive or the interaction of electromagnetic attraction and spring force
Multiple movement, structure is as shown in Figure 1, during work, and when coil add 50Hz, 220V alternating current positive half cycle, ferromagnetic to produce iron core electric
Magnetic attraction, then armature actuation, band piston move right, and at this moment intake valve is opened, the shape due to the constantly increase of pump housing volume
Into breathing process, i.e. gas (or steam) enters the pump housing from air inlet, then by the electromagnetic coil of drive part, guide pipe,
Gas with drive part machinery heat enters compression cylinder, when piston reaches cylinder body location right, completes whole air-breathing mistake
Journey, in whole breathing process, air bleeding valve is closed always.In the negative half period of voltage, electromagnetic coil no current is by iron core
Electromagnetic attraction disappears, and armature discharges under the action of guide pipe and spring, and piston moves from right to left, the gas in cylinder body with
Piston moves from right to left gradually to be compressed, and after the pressure in cylinder body reaches slightly larger than an atmospheric pressure, air bleeding valve is opened, cylinder
Internal gas compressed is discharged in air, and in whole exhaust process, intake valve is closed, and this completes a job to follow
Ring.Above-mentioned circulation is repeated, untill the gas pressure intensity being evacuated in device reaches requirement.Above-mentioned oil-free vacuum pump configuration letter
It is single, vacustat, service life length.But intake valve is arranged on piston head bottom by the oilless vacuum pump of the structure, taking out
During vacuum, gas (or steam) is introduced into housing, is then entered via intake valve in cylinder body, exhaust can be caused to be not thorough,
Residual fraction gas in housing, causes to vacuumize efficiency low.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of Miniature vacuum pump without oil, and work efficiency is high, and vacuum is high, body
Product is small, and vibration and noise are small.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of Miniature vacuum pump without oil, including housing, cylinder
Body, piston component and drive component, the cylinder body, piston component and drive component are arranged in housing, the front end of the cylinder body
Equipped with air inlet and exhaust outlet, the air inlet and exhaust ports are respectively equipped with intake valve and air bleeding valve, and the air inlet passes through
Pipeline is connected with by pumping container；
The piston component includes piston head and piston rod, and the rear side of the piston head is equipped with the storage tank of indent, described
The front end of piston rod is connected with the slot bottom of storage tank, and the spring being set on the outside of piston rod, the work are equipped with the storage tank
The outside of chock plug is equipped with two circle arc grooves, and O-ring seals are embedded with the arc groove；
The driving component is arranged on the rear of cylinder body, it includes coil and iron core, and the coil is fixed on case inside, institute
State the outside that iron core sleeve is loaded on piston rod；
The rear of the coil is equipped with guide plate, and the outer rim of the guide plate is fixedly connected with inner walls, the guiding
Plate is equipped with the pilot hole being slidably matched with piston rod.
Preferably, the piston rod is hollow aluminium alloy bar.
Wherein, the front end face of the cylinder body is equipped with heat sink.
Further, the front end face of the cylinder body is equipped with the heat sink that multi-turn is set in a ring.
Wherein, silencing cotton layer is covered with the inner surface of the housing.
Wherein, it is described that vacuum detecting table is equipped with by pumping container.
The above-mentioned technical proposal of the present invention has the beneficial effect that：It is the configuration of the present invention is simple, compact, there is the speed of exhaust
Greatly, the advantages that vacuum is high, vibrate and noise is small, low in energy consumption, long lifespan easy to carry and use.
Brief description of the drawings
Fig. 1 is the structure diagram of existing Miniature vacuum pump without oil in background of invention；
Fig. 2 is the structure diagram of the embodiment of the present invention one.
Description of reference numerals：
1st, housing；2nd, cylinder body；200th, air inlet；201st, exhaust outlet；3rd, by pumping container；4th, vacuum detecting table；5th, piston head；
6th, piston rod；7th, spring；8th, O-ring seals；9th, coil；10th, iron core；11st, guide plate；12nd, heat sink；13rd, silencing cotton layer.
Embodiment
To make the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention is for the problems such as existing oilless vacuum pump pumping efficiency is low, vacuum is not high, there is provided a kind of miniature nothing
Oil vacuum pump.
As shown in Fig. 2, the embodiment of the present invention provides a kind of Miniature vacuum pump without oil, including housing 1, cylinder body 2, piston group
Part and drive component, are covered with silencing cotton layer 13 on the inner surface of the housing 1.
Cylinder body 2, piston component and the drive component are arranged in housing 1, and the front end of the cylinder body 2 is equipped with air inlet
200 and exhaust outlet 201, intake valve and air bleeding valve, the air inlet 200 are respectively equipped with the air inlet 200 and exhaust outlet 201
It is connected by pipeline with by pumping container 3, it is described that vacuum detecting table 4 is equipped with by pumping container 3.
The front end face of the cylinder body 2 is equipped with the heat sink 12 that multi-turn is set in a ring.
The piston component includes piston head 5 and piston rod 6, and the rear side of the piston head 5 is equipped with the storage tank of indent, institute
State the front end of piston rod 6 with the slot bottom of storage tank to be connected, the spring 7 for being set in the outside of piston rod 6, institute are equipped with the storage tank
The outside for stating piston head 5 is equipped with two circle arc grooves, and O-ring seals 8 are embedded with the arc groove.In the present embodiment, institute
It is hollow aluminium alloy bar to state piston rod 6, light-weight.
The driving component is arranged on the rear of cylinder body 2, it includes coil 9 and iron core 10, and the coil 9 is fixed on housing 1
Inner side, the iron core 10 are set in the outside of piston rod 6.
The rear of the coil 9 is equipped with guide plate 11, and the outer rim of the guide plate 11 is fixedly connected with 1 inner wall of housing, institute
State guide plate 11 and be equipped with the pilot hole being slidably matched with piston rod 6.
The present invention operation principle be：It is ferromagnetic iron core is produced electromagnetism when coil adds 50Hz, 220V alternating current positive half cycle
Suction, then armature actuation, band piston move right, and at this moment intake valve is opened, and gas (or steam) enters cylinder from air inlet
In vivo, when piston reaches cylinder body location right, whole breathing process is completed, in whole breathing process, air bleeding valve closes always
Close.In the negative half period of voltage, electromagnetic coil no current is by the way that the electromagnetic attraction of iron core disappears, and piston rod is in guide plate and bullet
Being discharged under the action of spring, piston moves from right to left, and the gas in cylinder body is gradually compressed as piston moves from right to left, when
After pressure in cylinder body reaches slightly larger than one atmospheric pressure, air bleeding valve is opened, and gas compressed is discharged in air in cylinder body,
In whole exhaust process, intake valve is closed, and this completes a working cycles.Above-mentioned circulation is repeated, until being evacuated device
Untill interior gas pressure intensity reaches requirement.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of Miniature vacuum pump without oil, including housing, cylinder body, piston component and drive component, the cylinder body, piston component and
Drive component is arranged in housing, it is characterised in that the front end of the cylinder body is equipped with air inlet and exhaust outlet, the air inlet with
Exhaust ports are respectively equipped with intake valve and air bleeding valve, and the air inlet is connected by pipeline with by pumping container；
The piston component includes piston head and piston rod, and the rear side of the piston head is equipped with the storage tank of indent, the piston
The front end of bar is connected with the slot bottom of storage tank, and the spring being set on the outside of piston rod, the piston head are equipped with the storage tank
Outside be equipped with two circle arc grooves, is embedded with O-ring seals in the arc groove；
The driving component is arranged on the rear of cylinder body, it includes coil and iron core, and the coil is fixed on case inside, the iron
Core retainer plate is loaded on the outside of piston rod；
The rear of the coil is equipped with guide plate, and the outer rim of the guide plate is fixedly connected with inner walls, on the guide plate
Equipped with the pilot hole being slidably matched with piston rod.
2. Miniature vacuum pump without oil according to claim 1, it is characterised in that the piston rod is hollow aluminium alloy bar.
3. Miniature vacuum pump without oil according to claim 1, it is characterised in that the front end face of the cylinder body is equipped with heat dissipation
Piece.
4. Miniature vacuum pump without oil according to claim 3, it is characterised in that the front end face of the cylinder body is equipped with multi-turn
The heat sink set in a ring.
5. Miniature vacuum pump without oil according to claim 1, it is characterised in that be covered with and disappear on the inner surface of the housing
Sound cotton layer.
6. Miniature vacuum pump without oil according to claim 1, it is characterised in that described that vacuum detecting is equipped with by pumping container
Table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610938387.4A CN107975464A (en) | 2016-10-24 | 2016-10-24 | A kind of Miniature vacuum pump without oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610938387.4A CN107975464A (en) | 2016-10-24 | 2016-10-24 | A kind of Miniature vacuum pump without oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107975464A true CN107975464A (en) | 2018-05-01 |
Family
ID=62005052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610938387.4A Pending CN107975464A (en) | 2016-10-24 | 2016-10-24 | A kind of Miniature vacuum pump without oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107975464A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799054A (en) * | 2018-08-10 | 2018-11-13 | 合肥市恒昌自动化控制有限责任公司 | A kind of intelligent vacuum pump with vacuum detecting function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089989U (en) * | 1990-11-26 | 1991-12-04 | 东南大学 | Miniature vacuum pump without oil |
| CN2218842Y (en) * | 1994-11-29 | 1996-01-31 | 张志威 | Reciprocating oil-free vacuum pump |
| CN2779106Y (en) * | 2005-03-24 | 2006-05-10 | 广东风华高新科技集团有限公司 | Oil-less vacuum pump |
| US20060120899A1 (en) * | 2004-12-07 | 2006-06-08 | Depuy Mitek, Inc. | Reusable pump cartridge |
| CN206280209U (en) * | 2016-10-24 | 2017-06-27 | 陶智军 | A kind of Miniature vacuum pump without oil |
-
2016
- 2016-10-24 CN CN201610938387.4A patent/CN107975464A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089989U (en) * | 1990-11-26 | 1991-12-04 | 东南大学 | Miniature vacuum pump without oil |
| CN2218842Y (en) * | 1994-11-29 | 1996-01-31 | 张志威 | Reciprocating oil-free vacuum pump |
| US20060120899A1 (en) * | 2004-12-07 | 2006-06-08 | Depuy Mitek, Inc. | Reusable pump cartridge |
| CN2779106Y (en) * | 2005-03-24 | 2006-05-10 | 广东风华高新科技集团有限公司 | Oil-less vacuum pump |
| CN206280209U (en) * | 2016-10-24 | 2017-06-27 | 陶智军 | A kind of Miniature vacuum pump without oil |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799054A (en) * | 2018-08-10 | 2018-11-13 | 合肥市恒昌自动化控制有限责任公司 | A kind of intelligent vacuum pump with vacuum detecting function |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180501 |
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| WD01 | Invention patent application deemed withdrawn after publication |