CN205533071U - Pneumatic reversible vacuum pump - Google Patents

Pneumatic reversible vacuum pump Download PDF

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Publication number
CN205533071U
CN205533071U CN201620110520.2U CN201620110520U CN205533071U CN 205533071 U CN205533071 U CN 205533071U CN 201620110520 U CN201620110520 U CN 201620110520U CN 205533071 U CN205533071 U CN 205533071U
Authority
CN
China
Prior art keywords
cavity
main air
blow vent
air cavity
plug
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
Application number
CN201620110520.2U
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Chinese (zh)
Inventor
张红星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Xingyou Hardware Machinery Co Ltd
Original Assignee
Zhongshan Xingyou Hardware Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhongshan Xingyou Hardware Machinery Co Ltd filed Critical Zhongshan Xingyou Hardware Machinery Co Ltd
Priority to CN201620110520.2U priority Critical patent/CN205533071U/en
Application granted granted Critical
Publication of CN205533071U publication Critical patent/CN205533071U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a pneumatic reversible vacuum pump, including a pump body, be provided with a main air cavity and a pressure boost chamber in the pump body, the upper portion and the lower part of main air cavity communicate with external through a first blow vent and a second blow vent respectively, the pressure boost chamber be located main air cavity the side and through an at least supercharging hole and main air cavity intercommunication, supercharging hole incline outwards downwards from last, the pressure boost chamber on be provided with the interface that admits air that is used for with external high pressurized air source intercommunication, the pump body on be provided with a commutator that can seal first blow vent. The utility model discloses simple structure is reliable, can convenient switching inhale the material and blow the function, and application scope is wide, convenient to use.

Description

A kind of pneumatic reversible vacuum pump
Technical field
This utility model relates to a kind of pneumatic vacuum pump.
Background technology
Compressed air as a kind of conventional drive energy, have cleaning, efficiently, the conveniently, safely advantage such as use, be widely used in commercial Application.Pneumatic vacuum pump is by guiding compressed air and accelerating, vacuum can be produced in the bottom of main air cavity, it is thus possible to generation suction, it is commonly used to suction or fluid etc., often coordinating oil storage barrel to use as oil header, existing pneumatic vacuum pump can only produce unidirectional suction, can only suction or fluid in one direction, there is certain limitation in actually used, be not convenient to use.
Utility model content
In order to solve the problems referred to above, the purpose of this utility model be to provide a kind of can switch flexibly suction and blow, applied widely, the pneumatic reversible vacuum pump that is easy to use.
This utility model the technical scheme is that for solving its technical problem
A kind of pneumatic reversible vacuum pump, including a pump housing, a main air cavity and a booster cavity it is provided with in the pump housing, the upper and lower of main air cavity is in communication with the outside by one first blow vent and one second blow vent respectively, described booster cavity is positioned at the side of main air cavity and is connected 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 connecting with extraneous high-pressure air source;The reversing switch that can close the first blow vent it is provided with on the described pump housing.
Preferably, described reversing switch includes one first plug and a mobile device, described mobile device is movably disposed on the pump housing, the first described plug is slidably arranged in mobile device, being provided with a pressure release spring between first plug and mobile device, this pressure release spring is for being pressed on the first blow vent to close the first blow vent by the first plug.
Preferably, described mobile device includes that be screwed onto on the pump housing one moves bar and is fixed on this and moves on bar and be positioned at the handwheel outside the pump housing.
Preferably, being additionally provided with a cushion chamber in the described pump housing, the first described blow vent is positioned at this cushion chamber, and the bottom of described cushion chamber is in communication with the outside by some air vents.
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 close the second blow vent.
Preferably, the described pump housing being additionally provided with a venting cavity, the second described blow vent is positioned at this venting cavity, the sidewall of venting cavity is provided with the air inlet/outlet being in communication with the outside;The second described plug is slidably arranged in this venting cavity.
Preferably, also including 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 is uniformly distributed around main air cavity circumference.
Preferably, it is provided with a vacuum generator in described main air cavity, this vacuum generator is tubular, the annular groove of an indent it is provided with on outer wall in the middle part of it, the lateral wall of its upper and lower is close to the medial wall of main air cavity and is made 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 beneficial effects of the utility model are: in this utility model, only need to be passed through compressed air at intake interface, compressed air is via booster cavity and the acceleration of pressurized hole and guiding, the high velocity air upwards sprayed can be produced in the middle and upper part of main air cavity, bigger suction can be produced at the second blow vent, can effectively carry out suction, when needing commutation, only need to close the first blow vent by reversing switch can make the air-flow in main air cavity spray from the second blow vent, it is achieved blow function;This utility model is simple and reliable for structure, can easily switch suction and blow function, applied widely, it is simple to use.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is decomposition chart of the present utility model;
Fig. 2 is perspective structure schematic diagram of the present utility model;
Fig. 3 is the perspective structure schematic diagram of vacuum generator in this utility model;
Fig. 4 is application example figure of the present utility model.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, a kind of pneumatic reversible vacuum pump, including a pump housing 10, main air cavity 11 and a booster cavity 12 it is provided with in the pump housing 10, the upper and lower of main air cavity 11 is in communication with the outside by one first blow vent 111 and one second blow vent 112 respectively, booster cavity 12 is positioned at the side of main air cavity 11 and is connected 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 connecting with extraneous high-pressure air source;The reversing switch that can close the first blow vent 111 it is provided with on the pump housing 10.In this utility model, only need to be passed through compressed air at intake interface 13, compressed air is via booster cavity 12 and the acceleration of 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, bigger suction can be produced at the second blow vent 112, can effectively carry out suction, when needing commutation, only need to close the first blow vent 111 by reversing switch can make the air-flow in main air cavity 11 spray from the second blow vent 112, it is achieved blow function;This utility model is simple and reliable for structure, can easily switch suction and blow function, applied widely, it is simple to use.
Reversing switch includes one first plug 21 and a mobile device, mobile device is movably disposed on the pump housing 10, first plug 21 is slidably arranged in mobile device, being provided with a pressure release spring 22 between first plug 21 and mobile device, this pressure release spring 22 is for being pressed on the first blow vent 111 to close the first blow vent 111 by the first plug 21.This structure can play the effect of an insurance, when use blows function, if the second blow vent 112 or the liquid storing barrel etc. communicated therewith block, pressure in main air cavity 11 can overcome the pressure of pressure release spring 22 and jack-up the first plug 21 after reaching certain limit, gas in the most main air cavity 11 can be discharged from the first blow vent 111, avoid pressure excessive and cause this vacuum pump and liquid storing barrel to damage or the situation of blast, ensure and use safety.
In the present embodiment, mobile device includes that be screwed onto on the pump housing 10 one moves bar 23 and is fixed on this and moves on bar 23 and be positioned at the handwheel 24 outside the pump housing 10, user can rotate handwheel 24 makes the first plug 21 move up and down, simple and reliable for structure, it is simple to produce and use.Certainly, in actual application, this mobile device can also select the structure of other any suitable such as connecting rod, it is not limited to this.Reversing switch can also use other the most conventional enclosed constructions such as knob structure, baffle arrangement, it is not limited to this.
Due to bigger from the first blow vent 111 expellant gas pressure, for avoiding it that user is damaged, a cushion chamber 14 it is additionally provided with in the pump housing 10, first blow vent 111 is positioned at this cushion chamber 14, the bottom of cushion chamber 14 is in communication with the outside by some air vents 141, and such first blow vent 111 expellant gas is via the diffusion of cushion chamber 14, and pressure, temperature etc. are all greatly lowered, air vent 141 bottom cushion chamber 14 is discharged afterwards, it is possible to ensures and uses safety.
Slide on the pump housing 10 and be provided with one second plug 30, this second plug 30 can by liquid buoyancy promote and on move to close the second blow vent 112, so, be connected with liquid storing barrel use as washing liquid device time, if the liquid level in liquid storing barrel is too high, will promote and move on the second plug 30 and close the second blow vent 112, in preventing from drawing fluid into main air cavity 11 and be ejected into outside, ensure and use safety, it is simple to use.Being additionally provided with a venting cavity 15 on the pump housing 10, the second blow vent 112 is positioned at this venting cavity 15, and the sidewall of venting cavity 15 is provided with the air inlet/outlet 151 being in communication with the outside;Second plug 30 is slidably arranged in this venting cavity 15, so 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, air inlet/outlet 151 will not be caused obstruction, simultaneously, expellant gas at air inlet/outlet 151 also can be slowed down diffusible by this structure, prevents the air-flow in main air cavity 11 from directly jetting liquid level and causes liquid level to splash, and ensures the normal use of this vacuum pump.
The present embodiment also includes a pressure regulator valve 40, 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 easily, such that it is able to regulate the suction of main air cavity 11 easily and blow the size of power, it is simple 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 is uniformly distributed around main air cavity 11 circumference, it is possible to makes the air-flow in winner's air cavity 11 more uniformly, steadily, reduces noise, improve pumping efficiency;In the present embodiment, preferably, a vacuum generator 50 it is provided with in main air cavity 11, this vacuum generator 50 is in tubular, being provided with the annular groove 51 of an indent on outer wall in the middle part of it, the lateral wall of its upper and lower is close to the medial wall of main air cavity 11 and is made 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, it is simple to process and assemble.
With reference to Fig. 4, a kind of application example of the present utility model, this vacuum pump is connected with an oil drum 60, additionally mounted on oil drum 60 have a fuel sucking pipe 61, and pressure regulator valve 40 is also associated with a switch valve 70.
When carrying out oil suction, first plug 21 is moved to departing from the first blow vent 111, it is passed through compressed air at intake interface 13, pull of vacuum can be produced at air inlet/outlet 151, air in oil drum 60 is discharged to the outside by this vacuum pump, thus can produce suction at fuel sucking pipe 61, such that it is able to be drawn in oil drum 60 by extraneous fluid;When fluid overfill during the bottom of this vacuum pump of submergence, under the buoyancy of fluid, the second plug 30 can block the second blow vent 112, prevents from extracting the fluid in oil drum 60 out, ensures and use safety.
When carrying out oil extraction, being moved by the first plug 21 to closing the first blow vent 111, the gas in the most main air cavity 11 can only be discharged in oil drum 60 via air inlet/outlet 151 from the second blow vent 112 such that it is able to is discharged from fuel sucking pipe 61 by the fluid in oil drum 60;If blocking in flowline or oil drum 60, when in main air cavity 11, pressure is excessive, its internal air-flow can back down the first plug 21 and carries out pressure release, prevents pressure excessive and bursts, ensures use safety.
The foregoing is only preferred embodiments of the present utility model, as long as realizing within the technical scheme of this utility model purpose broadly falls into protection domain of the present utility model with essentially identical means.

Claims (9)

1. a pneumatic reversible vacuum pump, it is characterized in that: include a pump housing (10), a main air cavity (11) and a booster cavity (12) it is provided with in the pump housing (10), the upper and lower of main air cavity (11) is in communication with the outside by one first blow vent (111) and one second blow vent (112) respectively, described booster cavity (12) is positioned at the side of main air cavity (11) and is connected with main air cavity (11) by least one pressurized hole (121), described pressurized hole (121) is from up to down towards outer incline, the intake interface (13) for connecting it is provided with extraneous high-pressure air source on described booster cavity (12);It is provided with, on the described pump housing (10), the reversing switch that the first blow vent (111) can be closed.
One the most according to claim 1 pneumatic reversible vacuum pump, it is characterized in that: described reversing switch includes one first plug (21) and a mobile device, described mobile device is movably disposed on the pump housing (10), described the first plug (21) is slidably arranged in mobile device, being provided with a pressure release spring (22) between first plug (21) and mobile device, this pressure release spring (22) is for being pressed on the first blow vent (111) to close the first blow vent (111) by the first plug (21).
One the most according to claim 2 pneumatic reversible vacuum pump, it is characterised in that: described mobile device includes that be screwed onto on the pump housing (10) one moves bar (23) and is fixed on this handwheel (24) moving on bar (23) and being positioned at the pump housing (10) outside.
One the most according to claim 1 pneumatic reversible vacuum pump, it is characterized in that: in the described pump housing (10), be additionally provided with a cushion chamber (14), described the first blow vent (111) is positioned at this cushion chamber (14), and the bottom of described cushion chamber (14) is in communication with the outside by some air vents (141).
One the most according to claim 1 pneumatic reversible vacuum pump, 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 close the second blow vent (112).
One the most according to claim 5 pneumatic reversible vacuum pump, it is characterized in that: on the described pump housing (10), be additionally provided with a venting cavity (15), described the second blow vent (112) is positioned at this venting cavity (15), and the sidewall of venting cavity (15) is provided with the air inlet/outlet (151) being in communication with the outside;Described the second plug (30) is slidably arranged in this venting cavity (15).
One the most according to claim 1 pneumatic reversible vacuum pump, it is characterised in that: also include that a pressure regulator valve (40), this pressure regulator valve (40) are connected on described intake interface (13).
One the most according to claim 1 pneumatic reversible vacuum pump, 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 is uniformly distributed around main air cavity (11) circumference.
One the most according to claim 1 pneumatic reversible vacuum pump, 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, the annular groove (51) of an indent it is provided with on outer wall in the middle part of it, the lateral wall of its upper and lower is close to the medial wall of main air cavity (11) and is made 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).
CN201620110520.2U 2016-02-03 2016-02-03 Pneumatic reversible vacuum pump Expired - Fee Related CN205533071U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620110520.2U CN205533071U (en) 2016-02-03 2016-02-03 Pneumatic reversible vacuum pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620110520.2U CN205533071U (en) 2016-02-03 2016-02-03 Pneumatic reversible vacuum pump

Publications (1)

Publication Number Publication Date
CN205533071U true CN205533071U (en) 2016-08-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620110520.2U Expired - Fee Related CN205533071U (en) 2016-02-03 2016-02-03 Pneumatic reversible vacuum pump

Country Status (1)

Country Link
CN (1) CN205533071U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105570083A (en) * 2016-02-03 2016-05-11 中山市星友五金机械有限公司 Pneumatic reversible vacuum pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105570083A (en) * 2016-02-03 2016-05-11 中山市星友五金机械有限公司 Pneumatic reversible vacuum pump

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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: 20160831

Termination date: 20220203