CN108825860A - A kind of vacuum pump oil box ponding automatic releasing device - Google Patents
A kind of vacuum pump oil box ponding automatic releasing device Download PDFInfo
- Publication number
- CN108825860A CN108825860A CN201810964958.0A CN201810964958A CN108825860A CN 108825860 A CN108825860 A CN 108825860A CN 201810964958 A CN201810964958 A CN 201810964958A CN 108825860 A CN108825860 A CN 108825860A
- Authority
- CN
- China
- Prior art keywords
- float
- oil
- ponding
- vacuum pump
- water storage
- 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.)
- Granted
Links
- 239000003921 oil Substances 0.000 claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000010687 lubricating oil Substances 0.000 claims abstract description 28
- 238000003860 storage Methods 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 239000000446 fuel Substances 0.000 claims abstract description 8
- 230000007423 decrease Effects 0.000 claims abstract description 6
- 239000002828 fuel tank Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000002411 adverse Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N19/00—Lubricant containers for use in lubricators or lubrication systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
A kind of vacuum pump oil box ponding automatic releasing device, vacuum pump oil box include oil tank body, and type is intracavitary to set lubricating oil, and the lower section of lubricating oil is ponding, sets oil return hole and drain oil, feature on oil tank body：Ponding automatic releasing device includes additional cavity, it is located at the side for by oil tank body and being located at drain oil, fuel feed hole is set on the side wall body of additional cavity, fuel feed hole and drain oil penetrate through, the centre of additional cavity is water storage cavity, bottom sets dewatering orifice, float is set in water storage cavity, float is limited in the bottom of additional cavity by positioning screw and can float up and down, when there is no ponding in water storage cavity, float seals up dewatering orifice, when ponding is arranged at the lower part of water storage cavity, float can float up and open dewatering orifice, ponding is released outside water storage cavity, with the decline of water level, contact the fluid density decline of float, float is gradually reduced and dewatering orifice is sealed up.The adverse effect for avoiding moisture from generating vacuum pump, it is ensured that the greasy property of pump head saves cost.
Description
Technical field
The invention belongs to vacuum pump technology fields, and in particular to a kind of vacuum pump oil box ponding automatic releasing device.
Background technique
Oil lubrication rotary-vane vaccum pump is one of pumping equipment most basic in vacuum technique, the typical knot of fuel tank
For structure as disclosed in Fig. 1, it includes oil tank body 1, lubricating oil 2 is provided with the hollow type of oil tank body 1 is intracavitary, in oil tank body
Oil return hole 11 and drain oil 12 are offered on 1, oil discharge screw or valve 7 are provided in drain oil 12, and lubricating oil 2 passes through oil return
Hole 11 returns to pump head and continues to participate in work, and the oil gas being discharged returns to 21 surface of lubricating oil liquid level, reaches lubricating oil liquid level 21
One dynamic balance.Purge cock or valve 7 are opened when needing repairing and perhaps maintaining, is conveniently replaceable lubricating oil.
Deficiency existing for above structure is：After the vapor that vacuum pump has been handled more than design ability to bear, moisture
Liquid can be condensed into, remains in the bottom of oil tank body 1 after a period of time has passed.As shown in Fig. 2, when ponding 3 remains in oil
Behind the lower part of 1 type chamber of case ontology, lubricating oil 2 can float because density is small, as long as oil water surface 31 reaches oil return hole 11
When height and position, ponding 3 will replace lubricating oil 2 to be drawn back into pump head and participate in lubrication work, to destroy the lubrication work of pump head
Performance leads to the serious consequences such as the pump housing and rotor get rusty and blade cracks.If more oil change 2 not in time, vacuum pump is very
It will appear failure fastly.
In view of above-mentioned prior art, it is necessary to reasonably be improved existing pumping fluid box structure.For this purpose, this Shen
It asks someone to have made beneficial design, technical solution described below generates in this background.
Summary of the invention
It, can be by pumping fluid the task of the present invention is to provide a kind of vacuum pump oil box ponding automatic releasing device
Ponding in case discharges outward automatically, to effectively prevent the adverse effect that moisture generates vacuum pump, it is ensured that the profit of pump head
Sliding working performance, and without artificial frequently nurse more oil change, save labor cost.
The task of the present invention is come what is completed, a kind of vacuum pump oil box ponding automatic releasing device, described is true in this way
Empty pump oil case includes oil tank body, is provided with lubricating oil the hollow type of oil tank body is intracavitary, and the lower section of lubricating oil is ponding,
Oil return hole and drain oil are offered on oil tank body, it is characterised in that：The ponding automatic releasing device includes an additional chamber
Body, the additional cavity are arranged in the side for by oil tank body and being located at drain oil, open up on the side wall body of the additional cavity
Having through-hole is fuel feed hole, and the position of the fuel feed hole is corresponding with the position of the drain oil and the two is mutually communicated, described attached
The centre of cavity is added to offer dewatering orifice for hollow water storage cavity, bottom, the position in the water storage cavity and positioned at dewatering orifice
The place of setting is provided with a float, and the float is limited in the bottom of additional cavity by positioning screw and can float up and down, when
When not having ponding in water storage cavity, dewatering orifice is sealed up by float, and when ponding is arranged at the lower part of water storage cavity, float can be to floating
It rises and opens dewatering orifice, so that ponding is released outside water storage cavity, with the decline of water level, contact the fluid density decline of float
To the density of lubricating oil, float is gradually reduced and dewatering orifice is sealed up at this time, to complete the process that discharges water.
In a specific embodiment of the invention, the density of the float is between 0.93~0.95, lubricating oil
Density between 0.80~0.90, and the density of water be 1.
In another specific embodiment of the invention, pass through between the additional cavity and the oil tank body
Fastener connection solid or integral production form.
In another specific embodiment of the invention, the float is being contacted in bottom or with additional cavity
Gasket seal is had additional on position.
In another specific embodiment of the invention, the gasket seal is rubber sheet gasket.
In a specific embodiment in turn of the invention, the additional cavity is arranged on the open end of water storage cavity
There is a cover board, the cover board is used to ensure vacuum pump in the operating condition without the leakage of gas and oil.
The present invention with the above structure, it has the advantage that：Using the density variation of lubricating oil and water, in fuel tank sheet
A small additional cavity is added by body, which includes being provided with the dewatering orifice of water storage cavity bottom and for cooperating with dewatering orifice
Float, wherein the density of float is between water and lubricating oil, and when being water in water storage cavity, float floats up and by ponding
It discharges, and when there is no water either lubricating oil in water storage cavity, float then sinks and seals up anti-water hole, so as to incite somebody to action
Ponding below lubricating oil externally carries out automatic-discharging, not only effectively prevents the unfavorable shadow that moisture generates vacuum pump in this way
It rings, advantageously reduces friction, reduces abrasion, it is ensured that the greasy property of pump head extends the service life of vacuum pump, and is not necessarily to people
The numerous nurse of power frequency, more oil change, save labor cost.
Detailed description of the invention
Fig. 1 is the section plan of prior art intermediate pump fuel tank.
Fig. 2 is the section plan that prior art intermediate pump tank bottoms have ponding.
Fig. 3 is the structure sectional view of one embodiment of the invention.
In figure：1. oil tank body, 11. oil return holes, 12. drain oils；2. lubricating oil, 21. lubricating oil liquid levels；3. ponding, 31.
Oil water surface；4. additional cavity, 41. fuel feed holes, 42. dewatering orifices, 43. water storage cavities, 44. cover boards；5. positioning screw；6. floating
Son；7. oil discharge screw or valve.
Specific embodiment
Applicant will elaborate by way of examples below, but be not to this hair to the description of embodiment
The limitation of bright scheme, the made only formal but not substantive equivalent transformation of any design according to the present invention are all answered
It is considered as technical solution of the present invention scope.
Referring to Fig. 1, the present invention relates to a kind of vacuum pump oil box ponding automatic releasing device, the vacuum pump oil box
Including oil tank body 1, lubricating oil 2 is provided with the hollow type of oil tank body 1 is intracavitary, the lower section of lubricating oil 2 is ponding 3, in oil
Oil return hole 11 and drain oil 12 are offered on case ontology 1.Feature is：The ponding automatic releasing device includes an additional cavity
4,1 side of oil tank body is set and is located at the side of drain oil 12, is led between the additional cavity 4 and the oil tank body 1
It crosses fastener connection solid or both integral production to form, it is oil inlet that through-hole is offered on the side wall body of additional cavity 4
Hole 41, the position of the fuel feed hole 41 is corresponding with the position of drain oil 12 and the two is mutually communicated, the additional cavity 4
Centre be that hollow water storage cavity 43, bottom offer dewatering orifice 42, in the water storage cavity 43 and be located at dewatering orifice 42
Be provided with a float 6 at position, the float 6 by positioning screw 5 be limited in additional cavity 4 bottom and can on float downward
Dynamic, the density of the float 6 is between 0.93~0.95, and the density of lubricating oil is between 0.80~0.90, and the density of water is 1.
When not having ponding in water storage cavity 43, dewatering orifice 42 is sealed up by float 6, and when ponding is arranged at the lower part of water storage cavity 43, it floats
Son 6 can float up and open dewatering orifice 42, so that ponding 3 is released outside water storage cavity 43, with the decline of water level, contact is floating
The fluid density of son 6 drops to the density of lubricating oil, and float 6 is gradually reduced and dewatering orifice 42 is sealed up at this time, to complete
Discharge water process.
Further, the additional cavity 4 is provided with a cover board 44 on the open end on 43 top of water storage cavity, described
Cover board 44 is used to ensure vacuum pump in the operating condition without the leakage of gas and oil, so that additional cavity 4 becomes whole fuel tank
A part.
In work usually, the liquid level of inside cavity will receive the influence of pressure at expulsion, so that in additional cavity 4
Fluid pressure be more than an atmospheric pressure, but dewatering orifice 42 be to atmosphere aperture, as long as so vacuum pump is in work
State has under the working condition of flow, and the intracorporal fluid pressure of chamber just has additional air pressure, this air pressure causes to float
Son 6 will not open dewatering orifice 42.Only when vacuum pump stops working or works in the state of no exhaust, cavity it is interior
After outer air pressure balance, float 6 will under the density variation of water or lubricating oil natural reliably working.In order to enable float 6
Sealed reliable needs to maintain reliable sealing between the contact surface on 42 periphery of float 6 and dewatering orifice, generally can be in float
Gasket seal is had additional on 6 bottom or the position contacted with additional cavity 4, the material of the gasket seal is not by any
Limitation, preferably rubber sheet gasket, the rubber sheet gasket add the bottom in float 6 in the present embodiment.Due to float 6（It can float
Part）Density domination between 0.93 to 0.95, working effect will be very good and reliable.
Claims (6)
1. a kind of vacuum pump oil box ponding automatic releasing device, the vacuum pump oil box includes oil tank body (1), in fuel tank
The hollow type of ontology (1) is intracavitary to be provided with lubricating oil (2), and the lower section of lubricating oil (2) is ponding (3), is opened on oil tank body (1)
Equipped with oil return hole (11) and drain oil (12), it is characterised in that：The ponding automatic releasing device includes an additional cavity
(4), the additional cavity (4) setting is other in oil tank body (1) and is located at the side of drain oil (12), the additional cavity (4)
It is fuel feed hole (41), the position phase of the position of the fuel feed hole (41) and the drain oil (12) that through-hole is offered on the wall body of side
Corresponding and the two is mutually communicated, and the centre of the additional cavity (4) is hollow water storage cavity (43), bottom offers dewatering orifice
(42), a float (6), the float are provided in the water storage cavity (43) and at the position of dewatering orifice (42)
(6) it is limited in the bottom of additional cavity (4) by positioning screw (5) and can float up and down, do not accumulated when in water storage cavity (43)
When water, dewatering orifice (42) are sealed up by float (6), and when ponding is arranged at the lower part of water storage cavity (43), float (6) can be to floating
It rises and opens dewatering orifice (42), so that ponding (3) are released water storage cavity (43) outside, with the decline of water level, contact float (6)
Fluid density drop to the density of lubricating oil, float (6) is gradually reduced and dewatering orifice (42) is sealed up at this time, thus complete
At the process of discharging water.
2. a kind of vacuum pump oil box ponding automatic releasing device according to claim 1, it is characterised in that the float (6)
Density is between 0.93~0.95, and the density of lubricating oil is between 0.80~0.90, and the density of water is 1.
3. a kind of vacuum pump oil box ponding automatic releasing device according to claim 1, it is characterised in that the additional cavity
(4) solid is connect by fastener between the oil tank body (1) or integral production forms.
4. a kind of vacuum pump oil box ponding automatic releasing device according to claim 1, it is characterised in that the float (6) exists
Bottom has additional gasket seal on the position contacted with additional cavity (4).
5. according to a kind of claim 4 vacuum pump oil box ponding automatic releasing device, it is characterised in that the gasket seal
For rubber sheet gasket.
6. a kind of vacuum pump oil box ponding automatic releasing device according to claim 1, it is characterised in that the additional cavity
(4) it is provided on the open end of water storage cavity (43) cover board (44), the cover board (44) is for ensuring that vacuum pump is working
There is no the leakage of gas and oil under state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964958.0A CN108825860B (en) | 2018-08-23 | 2018-08-23 | Automatic accumulated water release device for vacuum pump oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964958.0A CN108825860B (en) | 2018-08-23 | 2018-08-23 | Automatic accumulated water release device for vacuum pump oil tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108825860A true CN108825860A (en) | 2018-11-16 |
| CN108825860B CN108825860B (en) | 2024-07-12 |
Family
ID=64150515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810964958.0A Active CN108825860B (en) | 2018-08-23 | 2018-08-23 | Automatic accumulated water release device for vacuum pump oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825860B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210017990A1 (en) * | 2019-07-15 | 2021-01-21 | Pfeiffer Vacuum Gmbh | Vacuum device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| JPH07197886A (en) * | 1993-12-28 | 1995-08-01 | Tokico Ltd | Oil-cooled type air compressor |
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-
2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210017990A1 (en) * | 2019-07-15 | 2021-01-21 | Pfeiffer Vacuum Gmbh | Vacuum device |
| US11668305B2 (en) * | 2019-07-15 | 2023-06-06 | Pfeiffer Vacuum Gmbh | Vacuum device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108825860B (en) | 2024-07-12 |
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