CN210164647U

CN210164647U - Vortex type oil gas recovery vacuum pump

Info

Publication number: CN210164647U
Application number: CN201920880641.9U
Authority: CN
Inventors: 李江涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-03-20
Anticipated expiration: 2029-06-13

Abstract

The utility model relates to a vortex type oil gas recovery vacuum pump, which comprises a frame, a static disc, a movable disc, an anti-rotation mechanism, a thrust plate, an eccentric shaft and the like, it is characterized in that a static disc is fixed on a frame and is mutually occluded with a movable disc, the movable disc is driven by an eccentric shaft and is restricted by an anti-rotation mechanism, the movable disc rotates around the center of a base circle of the static disc in a plane with a small radius, volatile oil gas is sucked into the periphery of a molded line of the static disc through an air inlet, the volatile oil gas is gradually compressed in a plurality of crescent compression cavities formed by mutually occluding molded lines of the static disc and the movable disc along with the rotation of the eccentric shaft, and then the volatile oil gas is continuously discharged from an axial exhaust hole at the center of the static disc, because only the main parts of the vacuum pump are meshed and not contacted, the vacuum pump has the advantages of continuous and stable gas transmission, small vibration, low noise, small energy consumption, clean gas source and the like, and is more suitable for popularization and use in the industry field of oil and gas recovery of volatile oils.

Description

Vortex type oil gas recovery vacuum pump

Technical Field

The utility model relates to a vacuum pump, in particular to be used for volatile oils to carry out the vapor recovery link, essential vapor recovery vacuum pump when bleeding and carrying.

Background

With the rapid development of the current automobile industry, the remaining amount of motor vehicles is rapidly increasing, and meanwhile, the pollution of oil gas to the environment is increasing day by day, especially in the processes of filling, transporting, storing and sending fuel oil, a large amount of oil gas which volatilizes to the atmosphere is generated to form photochemical smog, that is, the natural environment is polluted, and great resource waste is caused, and meanwhile, serious potential safety hazards which easily cause fire and explosion exist, for example, in order to eliminate the potential safety hazards, an oil gas recovery system must be installed on a fuel filling machine, an oil gas recovery vacuum pump is adopted in the system to absorb and convey the volatilized oil gas to recover the oil gas into an underground oil storage tank, and then the oil gas is converted into liquid fuel oil through a special process, so that the environment is protected, the energy is greatly saved, but the domestic oil gas recovery technology is started, particularly, the existing oil gas recovery vacuum pump as a key component is divided into a piston pump and a scraper pump, and due to structural defects, even if the processing precision is higher, the piston and the scraper must always keep high-speed and tight friction motion with a cylinder sleeve, so that the oil gas recovery vacuum pump has the defects of large abrasion, large noise, large power consumption, easy heating of a motor and a pump body, easy damage, difficult maintenance, short service life and the like in the working process.

Disclosure of Invention

To prior art's not enough, in order to thoroughly solve foretell problem, the utility model provides a vortex formula vapor recovery vacuum pump, this vapor recovery vacuum pump be by a fixed involute scroll dish and one be the involute motion scroll dish that the translation was convoluteed to the off-centre, two bifunction equation molded lines on driving disk, the quiet dish interlock each other, but do not have the contact.

The utility model discloses a solve above-mentioned technical problem, the concrete technical scheme who adopts is: the utility model provides a vortex type oil gas recovery vacuum pump, which comprises a frame, a static disc, a movable disc, an anti-rotation mechanism, a thrust plate, an eccentric shaft and the like, during the working process of air suction, compression and exhaust, the static disc is fixed on the frame and mutually meshed with the movable disc, the movable disc is driven by the eccentric shaft and restricted by the anti-rotation mechanism to rotate around the center of the base circle of the static disc in a plane with a small radius, air is sucked into the periphery of the molded line of the static disc through the air inlet, and the air is gradually compressed in a plurality of crescent compression cavities formed by mutually meshing the molded lines of the movable disc and the static disc along with the rotation of the eccentric shaft, and then the oil gas is continuously discharged from an axial exhaust hole in the center of the static disc, the volatile oil gas is recovered into an underground oil storage tank by matching with an oil gas recovery device, and the oil gas is converted into liquid fuel oil by a special process, so that the environment-friendly and energy-saving oil gas recovery process is completed.

The beneficial effects of the utility model are that, because only the meshing does not have the contact between this vacuum pump work operation's the essential element driving disk and the quiet dish, consequently have that the gas transmission is steady in succession, the vibration is little, the noise is low, the energy consumption is little, longe-lived, the operation is reliable, characteristics such as air supply is clean for this vacuum pump can obtain more extensive use in a great deal of trades such as chemical industry, medical treatment, food, printing, electron, war industry.

Drawings

FIG. 1 is a schematic view of the assembly structure of the present invention

FIG. 2 is a cross-sectional view of the stationary plate structure and the molded line A-A of the present invention

FIG. 3 is a sectional view of the moving disk structure and the molded line of the present invention

Fig. 4 is a sectional view of the profile B-B of the moving disk in fig. 3 according to the present invention

FIG. 5 is a drawing of the thrust plate structure of the present invention

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

1. As shown in fig. 1, the utility model comprises: the anti-rotation device comprises a frame 1, a static disc 2, a movable disc 3, a sealing ring 5, a sealing strip 6, an anti-rotation ring 7, an anti-rotation pin 8, a thrust plate 9, a translational bearing 10, an eccentric shaft 11, a front bearing 12, a rear bearing 13, a balancing weight 14, a framework oil seal 15, a coupling 16 and the like, and is characterized in that an installation spigot 19 at the bottom end of the frame 1 is matched and tightly installed with a spigot of a motor of a power source, the coupling 16 connects a motor shaft with the straight end of the eccentric shaft 11, the eccentric shaft 11 is supported and installed on a rotation center of an inner cavity of the frame 1 by the framework oil seal 15, the rear bearing 13 and the front bearing 12 together, the balancing weight 14 is fixedly installed on the eccentric shaft 11, the translational bearing 10 is installed at the eccentric end of the eccentric shaft 11 and is inserted into a bearing hole installed at the bottom of the movable disc 3, six anti-rotation, prevent that the other end of rotation round pin 8 passes the axle hole of crossing on the thrust plate 9, and insert in preventing the hole of rotation ring 7, thrust plate 9 is prevented rotation round pin 8 and passes, two terminal surfaces are respectively with the top face of frame 1 and the back end face of driving disk 3 pastes tight installation, it has sealing strip 6 to inlay in the molded lines top recess of quiet dish 2 and driving disk 3, the molded lines part interlock installation of each other of quiet dish 2 and driving disk 3, it has sealing ring 5 to inlay in the annular groove on quiet dish 2 top face, the exposed terminal surface of sealing ring 5 and the preceding terminal surface sealing contact of driving disk 3, quiet dish 2 utilizes fastening screw 4 and frame 1 fastening connection to form complete pump body together.

2. As shown in fig. 2, the profile side of the stationary disc 2 of the present invention is provided with an air suction port 20, the profile center of the stationary disc 2 is provided with an air exhaust port 21, and the sealing strip 6 and the sealing ring 5 embedded in the groove at the top end of the profile are made of super wear-resistant self-lubricating polymer material.

3. As shown in fig. 3 and 4, the utility model discloses the interior sealing strip 6 of inlaying of molded lines top recess of well driving disk 3 is made by super wear-resisting self-lubricating polymeric material, has the superhard wear-resisting self-lubricating cladding material of one deck on the surface of driving disk 3.

4. As shown in fig. 5, the outer surface of the middle thrust plate 9 of the present invention has a wear-resistant self-lubricating coating.

5. As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, the present invention is a vacuum pump with compressible volume, which is composed of a fixed involute vortex static disc 2 and an involute motion vortex dynamic disc 3 with eccentric convolution translation, two bifunction equation type lines on the dynamic disc 3 and the static disc 2 are mutually occluded but not contacted, in the working process of air suction, compression and exhaust, the static disc 2 is fixed on a frame 1 and is mutually occluded with the dynamic disc 3, the dynamic disc 3 is driven by an eccentric shaft 11 and is restricted by an anti-rotation mechanism, and rotates around the base circle center of the static disc 2 in a plane with small radius, air is sucked into the periphery of the type line of the static disc 2 through an air inlet 20, along with the rotation of the eccentric shaft 11, the air is gradually compressed in a plurality of crescent tooth-shaped compression cavities formed by mutually engaging the dynamic disc 3 and the static disc 2 type line, and then is continuously exhausted from an axial exhaust hole 21 at the center of the static disc 2, the volatile oil gas is recovered to an underground oil storage tank by matching with an oil gas recovery device, and the oil gas is converted into liquid fuel oil by a special process, so that the environment-friendly and energy-saving oil gas recovery process is completed.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope and the embodiments of the present invention, and it should be appreciated by those skilled in the art that various modifications and equivalent substitutions made by the present invention and illustrated in the drawings and drawings are included in the scope of the present invention.

Claims

1. A vortex type oil gas recovery vacuum pump comprises a frame 1, a static disc 2, a movable disc 3, a sealing ring 5, a sealing strip 6, an anti-rotation ring 7, an anti-rotation pin 8, a thrust plate 9, a translation bearing 10, an eccentric shaft 11, a front bearing 12, a rear bearing 13, a balancing weight 14, a framework oil seal 15, a coupling 16 and the like, and is characterized in that an installation spigot 19 at the bottom end of the frame 1 is matched and fastened with a spigot of a power source motor, the coupling 16 connects a motor shaft with the straight end of the eccentric shaft 11, the eccentric shaft 11 is supported and installed on a rotation center of an inner cavity of the frame 1 by the framework oil seal 15, the rear bearing 13 and the front bearing 12, the balancing weight 14 is fixedly installed on the eccentric shaft 11, the translation bearing 10 is installed at the eccentric end of the eccentric shaft 11 and inserted into a bearing hole installed at the bottom of the movable disc 3, six anti-rotation rings 7 are uniformly embedded on the rear end face of, prevent that the other end of rotation round pin 8 passes the axle hole of crossing on the thrust plate 9, and in inserting the hole of preventing rotation ring 7, thrust plate 9 is prevented rotation round pin 8 and passes, two terminal surfaces are respectively with the top face of frame 1 and the back end face of driving disk 3 pastes tight installation, it has sealing strip 6 to inlay in the molded lines top recess of quiet dish 2 and driving disk 3, the molded lines part interlock installation of each other of quiet dish 2 and driving disk 3, it has sealing ring 5 to inlay in the annular recess on quiet dish 2 top face, the exposed terminal surface of sealing ring 5 and the preceding terminal surface sealing contact of driving disk 3, screw 4 forms complete pump body together with quiet dish 2 and frame 1 fastening connection.

2. The scroll type oil and gas recovery vacuum pump according to claim 1, wherein: the connecting motor end equipartition of frame 1 is equipped with a plurality of ventilation hole 17, still the equipartition is equipped with a plurality of fin 18.

3. The scroll type oil and gas recovery vacuum pump according to claim 1, wherein: the side surface of the molded line of the static disc 2 is provided with an air suction port 20, and the center of the molded line of the static disc 2 is provided with an air exhaust port 21.

4. The scroll type oil and gas recovery vacuum pump according to claim 1, wherein: the surface of the movable disc 3 is provided with a superhard wear-resistant self-lubricating coating.

5. The scroll type oil and gas recovery vacuum pump according to claim 1, wherein: the sealing ring 5 is made of super wear-resistant self-lubricating polymer material.

6. The scroll type oil and gas recovery vacuum pump according to claim 1, wherein: the sealing strip 6 is made of super wear-resistant self-lubricating polymer material.

7. The scroll type oil and gas recovery vacuum pump according to claim 1, wherein: the matching orbiting radius between the anti-rotation ring 7 and the anti-rotation pin 8 is the same as the gyration radius of the eccentric shaft 11.

8. The scroll type oil and gas recovery vacuum pump according to claim 1, wherein: the surface of the thrust plate 9 is provided with a wear-resistant self-lubricating coating.