CN203081701U - Buffering filter device of vacuum pump extraction opening - Google Patents
Buffering filter device of vacuum pump extraction opening Download PDFInfo
- Publication number
- CN203081701U CN203081701U CN 201320051249 CN201320051249U CN203081701U CN 203081701 U CN203081701 U CN 203081701U CN 201320051249 CN201320051249 CN 201320051249 CN 201320051249 U CN201320051249 U CN 201320051249U CN 203081701 U CN203081701 U CN 203081701U
- Authority
- CN
- China
- Prior art keywords
- baffle
- vacuum pump
- bleeding point
- baffle plate
- bleeder hole
- 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
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
A buffering filter device of a vacuum pump extraction opening comprises a first baffle and a second baffle, wherein a side wall is fixedly connected with a first baffle edge and a second baffle edge. The first baffle, the second baffle and the side wall form a sealed cavity. The vacuum pump extraction opening is completely shielded by the first baffle. The first baffle and the second baffle are respectively provided with an extraction hole which enables the cavity to be communicated with the outside world. The position of the extraction hole of the first baffle and the position of the extraction hole of the second baffle are staggered in the axial direction of the extraction opening. According to the buffering filter device of the vacuum pump extraction opening, flow of suction air can be reduced when a vacuum pump is operated, then acting force of airflow on objects in a vacuum chamber is reduced, and damage of dust and sundries to a vacuum pump spiral slice is reduced.
Description
Technical field
The utility model relates to a kind of buffering filtrating equipment, particularly relates to a kind of buffering filtrating equipment that is used in the vacuum pump bleeding point.
Background technique
At present, vacuum lines utilizes vacuum pump carrying out the conversion of atmosphere, vacuum into and out of vacuum chamber always.Prior art directly stretches in the vacuum chamber with the bleeding point of vacuum pump, air is extracted out reach vacuum environment.
But when opening vacuum pump, air is directly discharged by bleeding point in vacuum chamber, because the speed of exhaust may well cause the loading in the vacuum chamber to move, or drives loading or dust is extracted in the vacuum pump, damages the working life that blade reduces pump.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of vacuum pump bleeding point buffering filtrating equipment, suck the flow of air in the time of can reducing the vacuum pump running, and then reduce the active force of air flows, and reduce of the infringement of dust foreign material to Vacuum pump rotary vane to object in the vacuum chamber.
For solving the problems of the technologies described above, the utility model provides a kind of vacuum pump bleeding point buffering filtrating equipment, comprise between first baffle edge and the second baffle edge and be fixedly connected with sidewall, first baffle plate, second baffle and sidewall constitute a cavity, and first baffle plate blocks the vacuum pump bleeding point fully; Have respectively on first baffle plate and the second baffle to make cavity and the extraneous bleeder hole that communicates, the bleeder hole of first baffle plate and the bleeder hole of second baffle stagger in the position of bleeding point axial direction.
After adopting above technological scheme, air in the vacuum chamber enters cavity by the bleeder hole on the second baffle earlier, make air dispersion enter cavity, reduce the active force of air flows to loading, can prevent that also big dust or foreign material from flying in cavity and the vacuum pump, be drawn in the vacuum pump by the bleeder hole on first baffle plate again, further reduce the air mass flow that the air in the cavity enters vacuum pump, because first baffle plate bleed with second baffle on bleeder hole stagger in the position of bleeding point axial direction, the dust loading major part that enters cavity is blocked on first baffle plate, reaches the effect that buffering is filtered.
The sidewall of this vacuum pump bleeding point buffering filtrating equipment has extension at the bleeding point axial direction to bleeding point, and vacuum pump bleeding point buffering filtrating equipment is socketed on the outer wall of bleeding point.
Flanging is arranged at the extension bottom of this vacuum pump bleeding point buffering filtrating equipment, and mounting hole is arranged on the flanging, can make whole device be fixedly connected on external bracing portion by mounting hole.
Description of drawings
Fig. 1 is the sectional view of vacuum pump bleeding point buffering filtrating equipment embodiment one plan view.
Fig. 2 is the sectional view of vacuum pump bleeding point buffering filtrating equipment embodiment two plan views.
Fig. 3 is the sectional view of vacuum pump bleeding point buffering filtrating equipment embodiment three plan views.
Fig. 4 is the sectional view of vacuum pump bleeding point buffering filtrating equipment embodiment four plan views.
Embodiment
Embodiment one
As shown in Figure 1, vacuum pump bleeding point buffering filtrating equipment comprises two baffle plates, be welded with sidewall 3a between the first baffle plate 1a edge and the second baffle 2a edge, the area of the first baffle plate 1a is greater than the cross section of suction opeing, the area of the first baffle plate 1a equals the area of second baffle 2a, the first baffle plate 1a is parallel with second baffle 2a, the first baffle plate 1a, second baffle 2a and sidewall 3a constitute an airtight cylindrical cavity 6, the first baffle plate 1a area is long-pending greater than vacuum pump bleeding point 5 radial cross sections, first baffle plate 1a bottom and the welding of bleeding point 5 upper ends; The first baffle plate 1a has 12 to make cavity 6 and the extraneous bleeder hole 4a that communicates, seven bleeder hole 4a that communicate with the external world are arranged respectively on the second baffle 2a, the bleeder hole 4a of the first baffle plate 1a is identical with the bleeder hole 4a sectional area of second baffle 2a, and the bleeder hole 4a of the first baffle plate 1a and the bleeder hole 4a of second baffle 2a stagger in the position of bleeding point 5 axial directions.
Embodiment two
As shown in Figure 2, vacuum pump bleeding point buffering filtrating equipment comprises two baffle plates, be welded with sidewall 3b between the first baffle plate 1b edge and the second baffle 2b edge, the area of the first baffle plate 1b equals the area of second baffle 2b, the first baffle plate 1b is parallel with second baffle 2b, the first baffle plate 1b, second baffle 2b and sidewall 3b constitute an airtight cylindrical cavity 6, the first baffle plate 1b area is long-pending greater than vacuum pump bleeding point 5 radial cross sections, sidewall 3b has extension 7 at bleeding point 5 axial directions to bleeding point 5, make bleeding point 5 be socketed in the extension 7 of sidewall 3b, flanging 8 is arranged at the bottom of extension 7, by bolt 9 flanging 8 is fixedlyed connected with vacuum chamber wall 10; The first baffle plate 1b has six to make cavity 6 and the extraneous bleeder hole 4b that communicates, ten bleeder hole 4b that communicate with the external world are arranged respectively on the second baffle 2b, the bleeder hole 4b of the first baffle plate 1b is identical with the bleeder hole 4b sectional area of second baffle 2b, and the bleeder hole 4b of the first baffle plate 1b and the bleeder hole 4b of second baffle 2b stagger in the position of bleeding point 5 axial directions.
Embodiment three
As shown in Figure 3, vacuum pump bleeding point buffering filtrating equipment comprises two baffle plates, be welded with sidewall 3c between the first baffle plate 1c edge and the second baffle 2c edge, the area of the first baffle plate 1c equals the cross section of bleeding point 5, the area of the first baffle plate 1c equals the area of second baffle 2c, the first baffle plate 1c is parallel with second baffle 2c, the first baffle plate 1c, second baffle 2c and sidewall 3c constitute an airtight cylindrical cavity 6, it is long-pending that the first baffle plate 1c area equals vacuum pump bleeding point 5 radial cross sections, the inwall welding of sidewall 3c and bleeding point 5; The first baffle plate 1c has four to make cavity 6 and the extraneous bleeder hole 4c that communicates, three bleeder hole 4c that communicate with the external world are arranged respectively on the second baffle 2c, the bleeder hole 4c of the first baffle plate 1c is identical with the bleeder hole 4c sectional area of second baffle 2c, and the bleeder hole 4c of the first baffle plate 1c and the bleeder hole 4c of second baffle 2c stagger in the position of bleeding point 5 axial directions.
Embodiment four
As shown in Figure 4, vacuum pump bleeding point buffering filtrating equipment comprises two baffle plates, be welded with sidewall 3d between the first baffle plate 1d edge and the second baffle 2d edge, the area of the first baffle plate 1d is greater than the cross section of bleeding point 5, the area of the first baffle plate 1d is greater than the area of second baffle 2d, the first baffle plate 1d and second baffle 2d are not parallel, the first baffle plate 1d and second baffle 2d have 5 ° inclination angle in the radial direction of bleeding point, the first baffle plate 1d, second baffle 2d and sidewall 3d constitute an airtight cavity 6, the first baffle plate 1d area is long-pending greater than vacuum pump bleeding point 5 radial cross sections, first baffle plate 1d bottom and the welding of bleeding point 5 upper ends; The first baffle plate 1d has one to make cavity 6 and the extraneous bleeder hole 4d that communicates, a bleeder hole 4d who communicates with the external world is arranged respectively on the second baffle 2d, the bleeder hole 4d of the first baffle plate 1d is less than the bleeder hole 4d sectional area of second baffle 2d, and the bleeder hole 4d of the first baffle plate 1d and the bleeder hole 4d of second baffle 2d stagger in the position of bleeding point 5 axial directions.
Because four embodiments' principle and using method are basic identical, following using method by elaboration enforcement one specifies, and other embodiments is not illustrated one by one.
During use, the vacuum pump running is outwards bled, air in the vacuum chamber is earlier by the bleeder hole 4a on the second baffle 2a, enter cavity 6, reduce the air mass flow (pressing arrow sign direction among the figure) that enters cavity 6, can prevent that also big dust or foreign material from flying in cavity 6 and the vacuum pump, be drawn in the vacuum pump by the bleeder hole 4a on the first baffle plate 1a again and (press arrow sign direction among the figure), further reduce the air mass flow that the air in the cavity 6 enters vacuum pump, because the first baffle plate 1a bleed with second baffle 2a on bleeder hole 4a stagger in the position of bleeding point 5 axial directions, the dust loading major part that enters cavity 6 is blocked on first baffle plate 1, reaches the effect that buffering is filtered.
Above-described only is four kinds of mode of executions of the present utility model.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. the vacuum pump bleeding point cushions filtrating equipment, it is characterized in that: described vacuum pump bleeding point buffering filtrating equipment comprises between first baffle edge and the second baffle edge and is fixedly connected with sidewall, first baffle plate, second baffle and sidewall constitute a cavity, and first baffle plate blocks the vacuum pump bleeding point fully; Have respectively on first baffle plate and the second baffle to make cavity and the extraneous bleeder hole that communicates, the bleeder hole of first baffle plate and the bleeder hole of second baffle stagger in the position of bleeding point axial direction.
2. vacuum pump bleeding point buffering filtrating equipment according to claim 1, it is characterized in that: described sidewall has extension at the bleeding point axial direction to bleeding point.
3. vacuum pump bleeding point buffering filtrating equipment according to claim 2 is characterized in that: flanging is arranged at described extension bottom, and mounting hole is arranged on the flanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051249 CN203081701U (en) | 2013-01-30 | 2013-01-30 | Buffering filter device of vacuum pump extraction opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051249 CN203081701U (en) | 2013-01-30 | 2013-01-30 | Buffering filter device of vacuum pump extraction opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203081701U true CN203081701U (en) | 2013-07-24 |
Family
ID=48827543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320051249 Expired - Fee Related CN203081701U (en) | 2013-01-30 | 2013-01-30 | Buffering filter device of vacuum pump extraction opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203081701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062062A (en) * | 2013-01-30 | 2013-04-24 | 安徽省蚌埠华益导电膜玻璃有限公司 | Buffering and filtering device for air exhaust port of vacuum pump |
-
2013
- 2013-01-30 CN CN 201320051249 patent/CN203081701U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062062A (en) * | 2013-01-30 | 2013-04-24 | 安徽省蚌埠华益导电膜玻璃有限公司 | Buffering and filtering device for air exhaust port of vacuum pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203861141U (en) | Dust collector with suction-loss-free multistage cyclone filtration system | |
| CN201922160U (en) | Plasma cutting table of robot | |
| CN203081701U (en) | Buffering filter device of vacuum pump extraction opening | |
| CN105221304A (en) | Efficient low-resistance integrated air filter cleaner | |
| CN202192545U (en) | Grinding wheel machine with dust removal device | |
| CN103062062A (en) | Buffering and filtering device for air exhaust port of vacuum pump | |
| CN203540221U (en) | Rotary drum type dust removal device | |
| CN206764922U (en) | One kind is used for plastic pipe processing dust exhaust apparatus | |
| CN104069693A (en) | Road air cleaning device | |
| CN204140339U (en) | Air compressor | |
| CN102252395A (en) | Workshop ventilating device | |
| CN204402708U (en) | A kind of deduster | |
| CN205445805U (en) | Gas turbine air cleaner | |
| CN204207673U (en) | The dust exhaust apparatus that a kind of dust arrester is external | |
| CN106012931A (en) | Fallen leaf collecting device | |
| CN203803893U (en) | Dust suction device in stator production line | |
| CN107020660A (en) | One kind is used for plastic pipe processing dust exhaust apparatus | |
| CN106113090A (en) | A kind of antidumping robot palletizer | |
| CN101871317A (en) | Anchor rod drilling machine | |
| CN201669020U (en) | Compact air box bag-type dust collector | |
| CN210598877U (en) | Novel jumbolter drilling mechanism | |
| CN203619471U (en) | Dust collector | |
| CN203809375U (en) | Filter barrel for gas model blower | |
| CN103495721A (en) | Shakeout machine dust cover | |
| CN203371391U (en) | Polishing machine with dust removing device |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20200130 |