CN205605457U - Vacuum pump structure of three cavities - Google Patents
Vacuum pump structure of three cavities Download PDFInfo
- Publication number
- CN205605457U CN205605457U CN201620354800.8U CN201620354800U CN205605457U CN 205605457 U CN205605457 U CN 205605457U CN 201620354800 U CN201620354800 U CN 201620354800U CN 205605457 U CN205605457 U CN 205605457U
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- CN
- China
- Prior art keywords
- chamber
- gear
- air flue
- cavity
- transition
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a vacuum pump structure of three cavities, including the circular shape pump body, separated into three cavity at a distance from 120 degrees baffle by three each other according to circular in the pump body, one of them cavity has the intake pipe as the air intake chamber intercommunication, and another cavity has the blast pipe as exhaust cavity intercommunication, and a third cavity rotates in the air flue between air intake chamber and the transition cavity and installs one -way valve plate as the transition cavity, also rotates the one -way valve plate of installation in the air flue between transition cavity and the exhaust cavity, still rotates respectively in every cavity and installs the impeller. The utility model discloses target gas can be fully taken out in the course of the work, the evacuation effect has been improved greatly.
Description
Technical field
This utility model relates to field of vacuum, the vacuum pump structure of a kind of three chambers.
Background technology
Vacuum pump is one of conventional pump class device, and it realizes the evacuation of target by wheel rotation in the pump housing, and will
The air extracted out is discharged.Prior art vacuum pump structure is simple, the air inlet pipe by the pump housing, being connected on the pump housing and exhaustor, turns
The dynamic impeller being arranged in the pump housing is constituted, and easily there is situation about collaborating in use, still has gas surplus after causing evacuation
Enter air inlet pipe, reduce vacuumizing effect.
Utility model content the purpose of this utility model is to provide the vacuum pump structure of a kind of three chambers, existing to solve
The problem of technology vacuum pump vacuumizing effect difference.
In order to achieve the above object, the technical scheme that this utility model is used is:
The vacuum pump structure of a kind of three chambers, includes the pump housing of circle, it is characterised in that: pump housing Nei Bei tri-road is by circle
The dividing plate being spaced 120 degree is separated into three chambers, and one of them chamber is communicated with as inlet plenum, inlet plenum sidewall
Air inlet pipe, another chamber is communicated with exhaustor as exhaust chamber, exhaust chamber's sidewall, and the 3rd chamber is as adapter cavity
Room, the dividing plate between inlet plenum and transition chamber thereof is provided with air flue, is rotatablely equipped with and beats to transition chamber thereof is unidirectional in air flue
The check valve sheet opened, the dividing plate between transition chamber thereof and exhaust chamber is also provided with air flue, transition chamber thereof and exhaust chamber it
Between dividing plate on air flue in be rotatablely equipped with to the unidirectional check valve sheet opened of exhaust chamber, each chamber rotates the most respectively
Impeller is installed, impeller is connected to multiple tracks blade, and three impeller blades are tilt toward the clockwise direction oblique
Blade, the described pump housing is also equipped with drive respectively the motor of three wheel rotation.
The vacuum pump structure of described a kind of three chambers, it is characterised in that: described air inlet pipe and exhaustor are respectively facing phase
Equidirectional, and altogether equipped with ring flange on air inlet pipe, exhaustor pipe end.
The vacuum pump structure of described a kind of three chambers, it is characterised in that: described motor by gear-box respectively with three
Impeller is in transmission connection, the built-in multistage intermeshing travelling gear of gear-box, and one of them travelling gear is as master gear and electricity
Machine is in transmission connection, and three gears connect respectively as from gear and three impeller one_to_one corresponding coaxial transmissions, remaining gear conduct
Transition gear transmission is engaged on master gear and between gear.
The vacuum pump structure of described a kind of three chambers, it is characterised in that: described check valve sheet one end and place air flue
Side is rotationally connected, and the end that the side that is connected with check valve sheet of air flue is in check valve sheet opening direction connects limited location list
To the limit base of valve plate.
In this utility model, the pump housing is divided into three independent chambers, and during work, gas enters inlet chamber from air inlet pipe
Room, the most unidirectional entrance transition chamber thereof, finally entered exhaust chamber by transition chamber thereof, do not have the problem collaborated, in work
During can fully extract object gas out, substantially increase vacuumizing effect.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Detailed description of the invention
Shown in Figure 1, the vacuum pump structure of a kind of three chambers, include the pump housing 1 of circle, the pump housing 1 Nei Bei tri-presses in road
Circle is spaced the dividing plate 2 of 120 degree and is separated into three chambers, and one of them chamber is as inlet plenum 3, inlet plenum 3 side
Wall is communicated with air inlet pipe 4, and another chamber is communicated with exhaustor 6 as exhaust chamber 5, exhaust chamber 5 sidewall, the 3rd chamber
As transition chamber thereof 7, the dividing plate between inlet plenum 3 and transition chamber thereof 7 is provided with air flue 81, air flue 81 is rotatablely equipped with
To the unidirectional check valve sheet 91 opened of transition chamber thereof, the dividing plate between transition chamber thereof 7 and exhaust chamber 5 is also provided with air flue
82, the air flue 82 on the dividing plate between transition chamber thereof 7 and exhaust chamber 5 is rotatablely equipped with and opens to exhaust chamber 5 is unidirectional
Check valve sheet 92, is rotatablely equipped with impeller 10 the most respectively in each chamber, impeller 10 is connected to multiple tracks blade 11, and three
Individual impeller 10 blade 11 is the oblique blade tilted toward the clockwise direction, the pump housing 1 is also equipped with drive three impellers respectively
The motor rotated.
Air inlet pipe 4 and exhaustor 6 are respectively facing on equidirectional, and air inlet pipe 4, exhaustor 6 pipe end altogether equipped with ring flange
12。
Motor is in transmission connection with three impellers respectively by gear-box, the built-in multistage intermeshing driving cog of gear-box
Wheel, one of them travelling gear is connected with motor-driven as master gear, and three gears are respectively as from gear and three impellers
One_to_one corresponding coaxial transmission connects, and remaining gear is engaged on master gear and between gear as transition gear transmission.
Check valve sheet one end is rotationally connected with the side of place air flue, and the side that air flue is connected with check valve sheet is unidirectional
End in valve plate opening direction connects the limit base 13 of limited location check valve sheet.
Claims (4)
1. a vacuum pump structure for three chambers, includes the pump housing of circle, it is characterised in that: pump housing Nei Bei tri-road by circular that
This dividing plate of 120 degree in interval is separated into three chambers, one of them chamber as inlet plenum, inlet plenum sidewall be communicated with into
Trachea, another chamber is communicated with exhaustor as exhaust chamber, exhaust chamber's sidewall, the 3rd chamber as transition chamber thereof,
It is provided with air flue on dividing plate between inlet plenum and transition chamber thereof, air flue is rotatablely equipped with and opens to transition chamber thereof is unidirectional
Check valve sheet, the dividing plate between transition chamber thereof and exhaust chamber is also provided with air flue, between transition chamber thereof and exhaust chamber
Air flue on dividing plate is rotatablely equipped with to the unidirectional check valve sheet opened of exhaust chamber, each chamber rotates installation the most respectively
There is impeller, impeller be connected to multiple tracks blade, and three impeller blades are the oblique blade tilted toward the clockwise direction,
It is also equipped with driving respectively the motor of three wheel rotation on the described pump housing.
The vacuum pump structure of a kind of three chambers the most according to claim 1, it is characterised in that: described air inlet pipe and exhaustor
It is respectively facing on equidirectional, and air inlet pipe, exhaustor pipe end altogether equipped with ring flange.
The vacuum pump structure of a kind of three chambers the most according to claim 1, it is characterised in that: described motor passes through gear-box
It is in transmission connection with three impellers respectively, the built-in multistage intermeshing travelling gear of gear-box, one of them travelling gear conduct
Master gear is connected with motor-driven, and three gears connect respectively as from gear and three impeller one_to_one corresponding coaxial transmissions, its
Remaining gear is engaged on master gear and between gear as transition gear transmission.
The vacuum pump structure of a kind of three chambers the most according to claim 1, it is characterised in that: described check valve sheet one end with
The side of place air flue is rotationally connected, and the end that the side that is connected with check valve sheet of air flue is in check valve sheet opening direction is even
It is connected to the limit base of spacing one-way valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620354800.8U CN205605457U (en) | 2016-04-22 | 2016-04-22 | Vacuum pump structure of three cavities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620354800.8U CN205605457U (en) | 2016-04-22 | 2016-04-22 | Vacuum pump structure of three cavities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205605457U true CN205605457U (en) | 2016-09-28 |
Family
ID=56970627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620354800.8U Expired - Fee Related CN205605457U (en) | 2016-04-22 | 2016-04-22 | Vacuum pump structure of three cavities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205605457U (en) |
-
2016
- 2016-04-22 CN CN201620354800.8U patent/CN205605457U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20170422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |