CN105570083A - Pneumatic reversible vacuum pump - Google Patents
Pneumatic reversible vacuum pump Download PDFInfo
- Publication number
- CN105570083A CN105570083A CN201610076615.1A CN201610076615A CN105570083A CN 105570083 A CN105570083 A CN 105570083A CN 201610076615 A CN201610076615 A CN 201610076615A CN 105570083 A CN105570083 A CN 105570083A
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- China
- Prior art keywords
- cavity
- main air
- vacuum pump
- plug
- air cavity
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention discloses a pneumatic reversible vacuum pump. The pneumatic reversible vacuum pump comprises a pump body. A main air cavity and a pressurizing cavity are formed in the pump body. The upper portion and the lower portion of the main air cavity communicate with the outside through a first ventilation port and a second ventilation port. The pressurizing cavity is located beside the main air cavity and communicates with the main air cavity through at least one pressuring hole. The pressurizing holes are inclined outwards from top to bottom. The pressurizing cavity is provided with an air inlet connector used for communicating with an outside high-pressure air source. The pump body is provided with a reversing switch capable of closing the first ventilation port. The pneumatic reversible vacuum pump is simple and reliable in structure, the function of material sucking and the function of blowing can be conveniently switched, the application range is wide, and usage is convenient.
Description
Technical field
The present invention relates to a kind of pneumatic vacuum pump.
Background technique
Pressurized air, as a kind of conventional driving source, has the advantages such as clean, efficient, safe, easy to use, is widely used in commercial Application.Pneumatic vacuum pump is by leading to pressurized air and accelerating, vacuum can be produced in the bottom of main air cavity, thus can suction be produced, be commonly used to suction or fluid etc., frequent cooperation oil-storing barrel uses as oil header, and existing pneumatic vacuum pump can only produce unidirectional suction, can only towards a direction suction or fluid, there is certain narrow limitation in actual use, be not easy to use.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide a kind of can switch suction flexibly and blow, pneumatic reversible vacuum pump applied widely, easy to use.
The present invention is the technological scheme that its technical problem of solution adopts:
A kind of pneumatic reversible vacuum pump, comprise a pump housing, a main air cavity and a booster cavity is provided with in the pump housing, the upper and lower of main air cavity is in communication with the outside respectively by one first ventilating hole and one second ventilating hole, described booster cavity is positioned at the side of main air cavity and is communicated with main air cavity by least one pressurized hole, described pressurized hole, from up to down towards outer incline, described booster cavity is provided with the intake interface for being communicated with extraneous high-pressure air source; The described pump housing is provided with the reverser can closing the first ventilating hole.
Preferably, described reverser comprises one first plug and a shifter, described shifter is movably arranged on the pump housing, the first described plug is slidably arranged on shifter, be provided with a pressure release spring between first plug and shifter, this pressure release spring is for being pressed on the first plug on the first ventilating hole to close the first ventilating hole.
Preferably, described shifter comprises and is screwed onto a movement rod on the pump housing and is fixed on this movement rod and is positioned at a handwheel of pump housing outside.
Preferably, be also provided with a buffer cavity in the described pump housing, the first described ventilating hole is positioned at this buffer cavity, and the bottom of described buffer cavity is in communication with the outside by some relief openings.
Preferably, on the described pump housing slide be provided with one second plug, this second plug can by liquid buoyancy promote and on move to closed second ventilating hole.
Preferably, the described pump housing is also provided with a venting cavity, the second described ventilating hole is positioned at this venting cavity, the sidewall of venting cavity is provided with the air inlet/outlet be in communication with the outside; The second described plug is slidably arranged in this venting cavity.
Preferably, also comprise a pressure regulator valve, this pressure regulator valve is connected on described intake interface.
Preferably, described booster cavity is in the form of a ring and around described main air cavity, and the quantity of described pressurized hole is some each and be uniformly distributed around main air cavity circumference.
Preferably, a vacuum generator is provided with in described main air cavity, this vacuum generator is tubular, outer wall in the middle part of it is provided with the annular groove of an indent, the outer side wall of its upper and lower is close to the madial wall of main air cavity and makes this annular groove surround described booster cavity together with the inwall of main air cavity, and described pressurized hole is arranged on this vacuum generator.
The invention has the beneficial effects as follows: in the present invention, only need pass into pressurized air at intake interface, pressurized air is via the acceleration of booster cavity and pressurized hole and guiding, the high velocity air upwards sprayed can be produced in the middle and upper part of main air cavity, larger suction can be produced at the second ventilating hole, effectively can carry out suction, when needing commutation, only need close the first ventilating hole by reverser can make the air-flow in main air cavity spray from the second ventilating hole, realizes blowing function; The present invention is simple and reliable for structure, can easily switch suction and blow function, applied widely, easy to use.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is decomposition chart of the present invention;
Fig. 2 is perspective structure schematic diagram of the present invention;
Fig. 3 is the perspective structure schematic diagram of vacuum generator in the present invention;
Fig. 4 is application example figure of the present invention.
Embodiment
Referring to figs. 1 through Fig. 3, a kind of pneumatic reversible vacuum pump, comprise a pump housing 10, main air cavity 11 and a booster cavity 12 is provided with in the pump housing 10, the upper and lower of main air cavity 11 is in communication with the outside respectively by one first ventilating hole 111 and one second ventilating hole 112, booster cavity 12 is positioned at the side of main air cavity 11 and is communicated with main air cavity 11 by least one pressurized hole 121, and pressurized hole 121, from up to down towards outer incline, booster cavity 12 is provided with the intake interface 13 for being communicated with extraneous high-pressure air source; The pump housing 10 is provided with the reverser can closing the first ventilating hole 111.In the present invention, only need pass into pressurized air at intake interface 13, pressurized air is via the acceleration of booster cavity 12 and pressurized hole 121 and guiding, the high velocity air upwards sprayed can be produced in the middle and upper part of main air cavity 11, larger suction can be produced at the second ventilating hole 112, effectively can carry out suction, when needing commutation, only need close the first ventilating hole 111 by reverser can make the air-flow in main air cavity 11 spray from the second ventilating hole 112, realizes blowing function; The present invention is simple and reliable for structure, can easily switch suction and blow function, applied widely, easy to use.
Reverser comprises one first plug 21 and a shifter, shifter is movably arranged on the pump housing 10, first plug 21 is slidably arranged on shifter, be provided with a pressure release spring 22 between first plug 21 and shifter, this pressure release spring 22 is for being pressed on the first plug 21 on first ventilating hole 111 to close the first ventilating hole 111.This structure can play the effect of an insurance, when use blows function, if the second ventilating hole 112 or the liquid storage barrel etc. be communicated with it block, the pressure of pressure release spring 22 can be overcome and jack-up first plug 21 after pressure in main air cavity 11 reaches certain limit, gas now in main air cavity 11 can be discharged from the first ventilating hole 111, avoid pressure excessive and cause the situation that this vacuum pump and liquid storage barrel damage or explode, ensureing use safety.
In the present embodiment, shifter comprises the movement rod 23 that is screwed onto on the pump housing 10 and to be fixed on this movement rod 23 and to be positioned at a handwheel 24 of the pump housing 10 outside, user can rotate handwheel 24 makes the first plug 21 move up and down, simple and reliable for structure, is convenient to produce and use.Certainly, in practical application, this shifter also can select the structure of other any suitable such as connecting rod, is not limited thereto.Reverser also can adopt other enclosed constructions conventional arbitrarily such as knob structure, baffle arrangement, is not limited thereto.
Because the gas pressure of discharging from the first ventilating hole 111 is larger, for avoiding it, user is damaged, a buffer cavity 14 is also provided with in the pump housing 10, first ventilating hole 111 is positioned at this buffer cavity 14, the bottom of buffer cavity 14 is in communication with the outside by some relief openings 141, and the gas that such first ventilating hole 111 is discharged is via the diffusion of buffer cavity 14, and pressure, temperature etc. all significantly reduce, discharge from the relief opening 141 bottom buffer cavity 14 afterwards, can use safety be ensured.
The pump housing 10 slides and is provided with one second plug 30, this second plug 30 can by liquid buoyancy promote and on move to closed second ventilating hole 112, like this, be connected with liquid storage barrel use as washing liquid device time, if the liquid level in liquid storage barrel is too high, close the second ventilating hole 112 by promotion second plug 30 moves, prevent liquid to be pumped in main air cavity 11 and be ejected into outside, ensure use safety, easy to use.The pump housing 10 is also provided with venting cavity 15, second ventilating hole 112 and is positioned at this venting cavity 15, the sidewall of venting cavity 15 is provided with the air inlet/outlet 151 be in communication with the outside; Second plug 30 is slidably arranged in this venting cavity 15, like this when use blows function, second plug 30 can be blown into the bottom of venting cavity 15 by the high pressure draught in main air cavity 11, obstruction can not be caused to air inlet/outlet 151, simultaneously, this structure also can be carried out deceleration can spread the gas that air inlet/outlet 151 place discharges, and prevents the air-flow in main air cavity 11 from directly to jet liquid level and cause liquid level to splash, ensures the normal use of this vacuum pump.
A pressure regulator valve 40 is also comprised in the present embodiment, this pressure regulator valve 40 is connected on intake interface 13, utilize this pressure regulator valve 40 can regulate the stream pressure at intake interface 13 place easily, thus the suction of main air cavity 11 can be regulated easily and blow the size of power, easy to use.
Booster cavity 12 is in the form of a ring and around main air cavity 11, and the quantity of pressurized hole 121 is some each and be uniformly distributed around main air cavity 11 circumference, can make air-flow in winner's air cavity 11 more evenly, steadily, reduce noise, improve pumping efficiency; In the present embodiment, preferably, a vacuum generator 50 is provided with in main air cavity 11, this vacuum generator 50 is in tubular, outer wall in the middle part of it is provided with the annular groove 51 of an indent, the outer side wall of its upper and lower is close to the madial wall of main air cavity 11 and makes this annular groove 51 surround booster cavity 12 together with the inwall of main air cavity 11, and pressurized hole 121 is arranged on this vacuum generator 50, simplify the structure of the pump housing 10, be convenient to processing and assembling.
With reference to Fig. 4, a kind of application example of the present invention, is communicated with this vacuum pump with an oil drum 60, oil drum 60 is provided with in addition a fuel sucking pipe 61, pressure regulator valve 40 is also connected with a switch valve 70.
When carrying out oil suction, first plug 21 is moved to disengaging first ventilating hole 111, pressurized air is passed into from intake interface 13, pull of vacuum can be produced at air inlet/outlet 151 place, air in oil drum 60 is discharged to the outside by this vacuum pump, suction can be produced at fuel sucking pipe 61 place thus, thus can the fluid in the external world is drawn in oil drum 60; When fluid overfill during the bottom of this vacuum pump of submergence, under the floating function of fluid, the second plug 30 can block the second ventilating hole 112, prevents the fluid in oil drum 60 to extract out, ensures use safety.
When carrying out oil extraction, the first plug 21 is moved to closed first ventilating hole 111, the gas now in main air cavity 11 can only be discharged in oil drum 60 from the second ventilating hole 112 via air inlet/outlet 151, thus the fluid in oil drum 60 can be discharged from fuel sucking pipe 61; If block in oil outlet tube or oil drum 60, when main air cavity 11 internal pressure is excessive, the air-flow of its inside can back down the first plug 21 and carries out pressure release, prevents pressure excessive and bursts, guarantee use safety.
The foregoing is only preferred embodiments of the present invention, as long as the technological scheme realizing the object of the invention with basic same approach all belongs within protection scope of the present invention.
Claims (9)
1. a pneumatic reversible vacuum pump, it is characterized in that: comprise a pump housing (10), a main air cavity (11) and a booster cavity (12) is provided with in the pump housing (10), the upper and lower of main air cavity (11) is in communication with the outside respectively by one first ventilating hole (111) and one second ventilating hole (112), described booster cavity (12) is positioned at the side of main air cavity (11) and is communicated with main air cavity (11) by least one pressurized hole (121), described pressurized hole (121) is from up to down towards outer incline, described booster cavity (12) is provided with the intake interface (13) for being communicated with extraneous high-pressure air source, the described pump housing (10) is provided with the reverser can closing the first ventilating hole (111).
2. the pneumatic reversible vacuum pump of one according to claim 1, it is characterized in that: described reverser comprises one first plug (21) and a shifter, described shifter is movably arranged on the pump housing (10), described the first plug (21) is slidably arranged on shifter, be provided with a pressure release spring (22) between first plug (21) and shifter, this pressure release spring (22) is for being pressed on the first plug (21) on the first ventilating hole (111) to close the first ventilating hole (111).
3. the pneumatic reversible vacuum pump of one according to claim 2, is characterized in that: described shifter comprises the movement rod (23) that is screwed onto on the pump housing (10) and is fixed on this movement rod (23) to be gone up and is positioned at the outside handwheel (24) of the pump housing (10).
4. the pneumatic reversible vacuum pump of one according to claim 1, it is characterized in that: in the described pump housing (10), be also provided with a buffer cavity (14), described the first ventilating hole (111) is positioned at this buffer cavity (14), and the bottom of described buffer cavity (14) is in communication with the outside by some relief openings (141).
5. the pneumatic reversible vacuum pump of one according to claim 1, it is characterized in that: the upper slip of the described pump housing (10) is provided with one second plug (30), this second plug (30) can be promoted by the buoyancy of liquid and on move to closed second ventilating hole (112).
6. the pneumatic reversible vacuum pump of one according to claim 5, it is characterized in that: the described pump housing (10) is also provided with a venting cavity (15), described the second ventilating hole (112) is positioned at this venting cavity (15), the sidewall of venting cavity (15) is provided with the air inlet/outlet (151) be in communication with the outside; Described the second plug (30) is slidably arranged in this venting cavity (15).
7. the pneumatic reversible vacuum pump of one according to claim 1, is characterized in that: also comprise a pressure regulator valve (40), this pressure regulator valve (40) is connected on described intake interface (13).
8. the pneumatic reversible vacuum pump of one according to claim 1, it is characterized in that: described booster cavity (12) is in the form of a ring and around described main air cavity (11), and the quantity of described pressurized hole (121) is some each and be uniformly distributed around main air cavity (11) circumference.
9. the pneumatic reversible vacuum pump of one according to claim 1, it is characterized in that: in described main air cavity (11), be provided with a vacuum generator (50), this vacuum generator (50) is in tubular, outer wall in the middle part of it is provided with the annular groove (51) of an indent, the outer side wall of its upper and lower is close to the madial wall of main air cavity (11) and makes this annular groove (51) surround described booster cavity (12) together with the inwall of main air cavity (11), and described pressurized hole (121) is arranged on this vacuum generator (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610076615.1A CN105570083A (en) | 2016-02-03 | 2016-02-03 | Pneumatic reversible vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610076615.1A CN105570083A (en) | 2016-02-03 | 2016-02-03 | Pneumatic reversible vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105570083A true CN105570083A (en) | 2016-05-11 |
Family
ID=55880595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610076615.1A Pending CN105570083A (en) | 2016-02-03 | 2016-02-03 | Pneumatic reversible vacuum pump |
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| Country | Link |
|---|---|
| CN (1) | CN105570083A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6537036B1 (en) * | 2001-09-13 | 2003-03-25 | Illinois Tool Works | Flow amplifying pump apparatus |
| CN101178082A (en) * | 2007-09-05 | 2008-05-14 | 姜德宏 | Non-bladed jet-propelled suction machine |
| CN202612221U (en) * | 2012-04-16 | 2012-12-19 | 庞厚星 | Manual/ power-driven ball type bidirectional vacuum generator |
| CN103775394A (en) * | 2014-02-24 | 2014-05-07 | 余文凌 | Injection pump with anti-blockage annular nozzle |
| JP2015132212A (en) * | 2014-01-14 | 2015-07-23 | 東京都下水道サービス株式会社 | Air blower |
| CN205533071U (en) * | 2016-02-03 | 2016-08-31 | 中山市星友五金机械有限公司 | Pneumatic reversible vacuum pump |
-
2016
- 2016-02-03 CN CN201610076615.1A patent/CN105570083A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6537036B1 (en) * | 2001-09-13 | 2003-03-25 | Illinois Tool Works | Flow amplifying pump apparatus |
| CN101178082A (en) * | 2007-09-05 | 2008-05-14 | 姜德宏 | Non-bladed jet-propelled suction machine |
| CN202612221U (en) * | 2012-04-16 | 2012-12-19 | 庞厚星 | Manual/ power-driven ball type bidirectional vacuum generator |
| JP2015132212A (en) * | 2014-01-14 | 2015-07-23 | 東京都下水道サービス株式会社 | Air blower |
| CN103775394A (en) * | 2014-02-24 | 2014-05-07 | 余文凌 | Injection pump with anti-blockage annular nozzle |
| CN205533071U (en) * | 2016-02-03 | 2016-08-31 | 中山市星友五金机械有限公司 | Pneumatic reversible vacuum pump |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160511 |
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| RJ01 | Rejection of invention patent application after publication |