CN218151424U

CN218151424U - Vacuum pump negative pressure back washing device

Info

Publication number: CN218151424U
Application number: CN202222178953.XU
Authority: CN
Inventors: 马连华; 马禄
Original assignee: Tongling Lingzhi Electric Appliance Co ltd
Current assignee: Tongling Lingzhi Electric Appliance Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-27
Anticipated expiration: 2032-08-18

Abstract

The utility model relates to a vacuum pump washing technical field, especially, relate to a vacuum pump negative pressure back flush device, including driving motor and gas purification case, driving motor and gas purification case transmission are connected, one side that the gas purification case kept away from driving motor is connected with the air inlet, one end top surface middle part that the gas purification case connects driving motor is connected with the gas outlet, the position that the gas purification case connects the air inlet is fixed with thin filter screen, the middle part of thin filter screen is worn to be equipped with the blow off pipe, the one end that the thin filter screen was kept away from to the blow off pipe extends to the gas purification case outside, the outer wall of one end that the blow off pipe is located the thin filter screen inboard is fixed with the dirt suction hopper that the ring shape equidistance was arranged, the one end that the dirt suction hopper was kept away from the blow off pipe faces the inner wall of thin filter screen perpendicularly; the utility model discloses can be through the blow off pipe with the inboard gas outgoing of gas purification case to realize taking out dirty fill and extract the exhaust function to the inboard impurity of thin filter screen, realized the inboard automatic clearance of thin filter screen, thereby improved the practicality of this device, and use the convenience.

Description

Vacuum pump negative pressure back-flushing device

Technical Field

The utility model relates to a vacuum pump washes technical field, especially relates to a vacuum pump negative pressure back washing unit.

Background

The vacuum pump is used for extracting vacuum equipment, in the working process of the vacuum pump, the motor is utilized to drive the eccentric rotor in the pump cavity to generate volume change through rotation so as to discharge gas out of the pump, thus realizing the function of generating vacuum for gas extraction, and in the process of extracting gas in a container, mainly in the process of gas suction, the volume of a gas suction cavity is increased, the vacuum degree is reduced, the gas in the container is sucked into the inner side of the pump cavity, the volume is reduced in the process of gas exhaust, the pressure is increased, and finally the sucked gas is discharged out of the pump through the oil seal.

At present, the vacuum pump is when extracting the inboard gas of container, because the inboard gaseous difference of various containers, consequently, the in-process of impurity granule in the gas can the adhesion in the pump body at the extraction inboard, and through long-time use, the inboard impurity of pump body can be more and more, can take place impurity jam for avoiding the pump body inboard, work to the vacuum pump produces the influence, generally can add the filter screen in the inboard of the pump body and be used for filtering gas self impurity, but filter screen and pump body self can't carry out self-cleaning, this will cause the pump body to take place gradually and block up in the use, need the manual work to remove the clearance, influence the work efficiency of the pump body.

Therefore, it is necessary to provide a vacuum pump negative pressure backwashing device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a vacuum pump negative pressure back flush device.

The utility model provides a pair of vacuum pump negative pressure back flush device includes:

driving motor and gas purification case, driving motor and gas purification case transmission are connected, one side that driving motor was kept away from to the gas purification case is connected with the air inlet, gas purification case connection driving motor's one end top surface middle part is connected with the gas outlet, the rigidity that the gas purification case connects the air inlet is equipped with thin filter screen, the blow off pipe is worn to be equipped with at thin filter screen middle part, the one end that thin filter screen was kept away from to the blow off pipe extends to the gas purification case outside, the blow off pipe is located the inboard one end outer wall of thin filter screen and is fixed with the dirt of taking out fill that ring shape equidistance was arranged, the one end vertical face that the blow off pipe was kept away from to the dirt of taking out fill is to thin filter screen inner wall.

Preferably, the position that the drive motor is connected to the gas purification case is fixed with the oil tank, and the position that the gas purification case is connected to the oil tank communicates with the gas purification incasement side, and the gas outlet is located oil tank top surface one side.

Preferably, a coarse filter disc is fixed on the inner wall of one end of the air inlet connected with the purified air box, and the coarse filter disc is embedded and buckled on the inner wall of the air inlet.

Preferably, one end of the sewage draining pipe penetrating through the outer side of the gas purifying box is sleeved with a sealing cover, and the sealing cover is screwed on the outer wall of the sewage draining pipe.

Preferably, a check valve is fixed at a position where the top surface of the oil tank is connected with the air outlet, the air outlet is connected to the top surface of the check valve, and the check valve is respectively communicated with the inner side of the oil tank and the inner side of the air outlet.

Compared with the prior art, the utility model provides a pair of vacuum pump negative pressure back washing unit has following beneficial effect:

1. the utility model discloses it wears to be equipped with the blow off pipe to be located thin filter screen inboard in the gas purification case inboard to there are a plurality of dirt hoppers of taking out at the outer wall connection of blow off pipe, make the adhesion at the inboard impurity of thin filter screen, when producing the jam to thin filter screen, can be through the gas outgoing of blow off pipe with the gas purification incasement side, thereby realize taking out dirt and fight and extract exhaust function to the inboard impurity of thin filter screen, realized the inboard automatic clearance of thin filter screen, thereby improved the practicality of this device, and the convenience of use.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a vacuum pump negative pressure backwashing device provided by the present invention;

FIG. 2 is a schematic view of the structure shown in FIG. 1, with a middle section;

FIG. 3 is a schematic view of the inside of the purge tank of FIG. 1, shown in phantom;

fig. 4 is a schematic view of a middle portion of the fine filter net shown in fig. 3.

Reference numbers in the figures: 1. a drive motor; 2. a purified gas tank; 3. an air inlet; 4. an air outlet; 5. a coarse filter disc; 6. fine filtering net; 7. a sewage discharge pipe; 8. a sewage pumping hopper; 9. a one-way valve; 10. a sealing cover; 11. and an oil tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The following detailed description is provided to illustrate specific embodiments of the present invention.

Referring to the drawings, an embodiment of the present invention provides a vacuum pump negative pressure backwashing device, which includes:

driving motor 1 and gas purification case 2, driving motor 1 is connected with 2 transmissions of gas purification case, one side that gas purification case 2 kept away from driving motor 1 is connected with air inlet 3, the one end top surface middle part that gas purification case 2 connects driving motor 1 is connected with gas outlet 4, the fixed position that gas purification case 2 connects air inlet 3 is equipped with thin filter screen 6, blow off pipe 7 is worn to be equipped with at thin filter screen 6 middle part, the one end that thin filter screen 6 was kept away from to blow off pipe 7 extends to the gas purification case 2 outside, the one end outer wall that blow off pipe 7 is located thin filter screen 6 inboard is fixed with the dirt of taking out fill 8 that ring shape equidistance was arranged, the one end vertical face that dirt of taking out fill 8 kept away from blow off pipe 7 is to thin filter screen 6 inner wall.

It should be noted that: the fixed position that driving motor 1 was connected to gas purification case 2 has oil tank 11, the position and the 2 inboard intercommunications of gas purification case 2 of gas purification case are connected to oil tank 11, and gas outlet 4 is located oil tank 11 top surface one side, the one end inner wall that gas purification case 2 was connected to air inlet 3 is fixed with coarse strainer 5, the embedded lock of coarse strainer 5 is in 3 inner walls of air inlet, the one end cover 10 that has been registrated in the gas purification case 2 outside is worn to locate by blow off pipe 7, the screw thread of sealed cover 10 connects in 7 outer walls of blow off pipe, the fixed position that oil tank 11 top surface and gas outlet 4 are connected has check valve 9, gas outlet 4 is connected in the top surface of check valve 9, and check valve 9 communicates with oil tank 11 inboard and gas outlet 4 inboard respectively.

In the present embodiment: the utility model discloses it wears to be equipped with blow off pipe 7 to be located thin filter screen 6 inboard at gas purification case 2 inboards, and there are a plurality of dirt hoppers 8 of taking out at the outer wall connection of blow off pipe 7, make the adhesion at the impurity of thin filter screen 6 inboards, when producing the jam to thin filter screen 6, can be through the gas outgoing of blow off pipe 7 with 2 inboards of gas purification case, thereby realize taking out dirt and fight 8 and extract exhaust function to the impurity of thin filter screen 6 inboards, the inboard automatic clearance of thin filter screen 6 has been realized, thereby the practicality of this device has been improved, and the convenience of use.

The use flow comprises the following steps:

when the air purifier is used, the air inlet 3 is hermetically connected with a container needing vacuum extraction, then the driving motor 1 is started, so that the driving motor 1 can drive an eccentric rotor positioned on the inner side of an oil tank 11 to rotate in a pump cavity, the air is discharged through the air outlet 4 by volume change generated by rotation, so that the air in the container is extracted towards the outer side, in the process of extracting the air on the inner side of the container, the air on the inner side of the container is sucked to flow towards the inner side of the air purifying tank 2 by the suction force on the inner side of the air purifying tank 2, when the air enters the air purifying tank 2, the air is firstly filtered by a coarse strainer, then the air is continuously driven by the driving motor 1, so that the air is filtered by a fine strainer 6, flows towards the position of the air outlet 4 and is finally discharged by the air outlet 4, after the use of the pump body is finished, if the inner side of the pump body needs to be cleaned, the air inlet can be directly closed, the check valve 9 on the position of the air outlet 4 is closed, at the moment, the sealing cover 10 on the top of the drain outlet is opened, when the sealing cover 10 is opened, impurities in the pump body can be automatically cleaned, the inner side of the air outlet 6, the inner side of the fine strainer 6 can be cleaned, and impurities in the inner side of the drain hopper 7 can be cleaned, and the inner side of the fine strainer 6 can be cleaned;

it should be noted that: when the inner side of the air purifying box 2 is subjected to pollution discharge, when air is introduced into the inner side of the air inlet 3, the air entering the inner side of the air purifying box 2 flows to the inner side of the sewage discharge pipe 7 through the sewage suction hopper 8, and when the air flows to the inner side of the sewage discharge pipe 7 through the sewage suction hopper 8, because the sewage suction hopper 8 and the fine filter screen 6 are positioned at the vertical position, when the air enters the inner side of the sewage suction hopper 8, cyclone can be generated at the outer side of the sewage suction hopper 8, when the air continuously flows, the cyclone generated at the outer side of the sewage suction hopper 8 can extract impurities on the inner wall of the fine filter screen 6 to the inner side of the sewage suction hopper 8, and the impurities which can be extracted most can be discharged to the outer side through the sewage discharge pipe 7, so that the cleaning of the impurities on the inner side of the fine filter screen 6 is completed;

it should be noted that: when 2 inboard clearance to the air-purifying box, through air inlet 3 to 2 inboard air conveyers of air-purifying box, owing to take out dirty 8 of fighting and be located the inboard of thin filter screen 6, consequently the inboard impurity of thin filter screen 6 will wave in the inboard of thin filter screen 6 through the blowing of air, and the clearance of the inboard thin filter screen 6 of air-purifying box is accomplished along with constantly flushing the discharge along with the air at last and following the outside that the air discharged to air-purifying box 2.

The utility model discloses in circuit and control that relate to be prior art, do not carry out too much repeated description here. The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a vacuum pump negative pressure back flush device, includes driving motor (1) and gas purification case (2), driving motor (1) and gas purification case (2) transmission are connected, one side that driving motor (1) was kept away from in gas purification case (2) is connected with air inlet (3), the one end top surface middle part that driving motor (1) was connected in gas purification case (2) is connected with gas outlet (4), a serial communication port, the rigidity that gas inlet (3) were connected in gas purification case (2) is equipped with thin filter screen (6), blow off pipe (7) are worn to be equipped with in thin filter screen (6) middle part, the one end that thin filter screen (6) were kept away from in blow off pipe (7) extends to gas purification case (2) outside, blow off pipe (7) are located the one end outer wall of thin filter screen (6) inboard and are fixed with the dirt pumping fill (8) that the equidistance circle was arranged, the one end perpendicular to thin filter screen (6) inner wall of blow off pipe (7) is kept away from in dirt pumping fill (8).

2. The vacuum pump negative-pressure backwashing device according to claim 1, wherein an oil tank (11) is fixed to a position where the purified gas tank (2) is connected to the driving motor (1), the position where the oil tank (11) is connected to the purified gas tank (2) is communicated with the inner side of the purified gas tank (2), and the air outlet (4) is located on one side of the top surface of the oil tank (11).

3. The vacuum pump negative pressure backwashing device of claim 1, wherein a coarse filter (5) is fixed on an inner wall of one end of the air inlet (3) connected with the purified air box (2), and the coarse filter (5) is embedded and buckled on the inner wall of the air inlet (3).

4. The vacuum pump negative-pressure backwashing device according to claim 1, wherein a sealing cover (10) is sleeved at one end of the discharge pipe (7) penetrating through the outer side of the purified air tank (2), and the sealing cover (10) is screwed on the outer wall of the discharge pipe (7).

5. The vacuum pump negative pressure backwashing device of claim 2, wherein a one-way valve (9) is fixed at a position where the top surface of the oil tank (11) is connected with the air outlet (4), the air outlet (4) is connected to the top surface of the one-way valve (9), and the one-way valve (9) is respectively communicated with the inner side of the oil tank (11) and the inner side of the air outlet (4).