CN108571448B - A kind of small size is without mist of oil vacuum pump - Google Patents
A kind of small size is without mist of oil vacuum pump Download PDFInfo
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- CN108571448B CN108571448B CN201810327066.XA CN201810327066A CN108571448B CN 108571448 B CN108571448 B CN 108571448B CN 201810327066 A CN201810327066 A CN 201810327066A CN 108571448 B CN108571448 B CN 108571448B
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- secondary chamber
- mist
- vacuum pump
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- 239000003595 mist Substances 0.000 title claims abstract description 60
- 239000003921 oil Substances 0.000 claims abstract description 105
- 230000006835 compression Effects 0.000 claims abstract description 45
- 238000007906 compression Methods 0.000 claims abstract description 45
- 239000010721 machine oil Substances 0.000 claims abstract description 27
- 239000002828 fuel tank Substances 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
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- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
-
- 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- 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
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
-
- 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
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
-
- 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
- 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
- F04C29/026—Lubricant separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a kind of small sizes without mist of oil vacuum pump.The vacuum pump includes motor, the compression chamber being connect with motor seal, the secondary chamber matched with compression chamber, the bulkhead seal pad matched with secondary chamber, and the end cap matched with bulkhead seal pad, compression chamber, secondary chamber, bulkhead seal pad and end cap surround a sump；A groove is formed in compression chamber, groove and the secondary chamber are tightly connected, are equipped in groove and are connected to the motor the rotor connect, and the blade being connected with rotor, and compression chamber side wall is equipped with oil cap and exhaust valve, and recess sidewall is equipped with the through-hole being connected with compression chamber；End cap is equipped with the air check valve entered for air, for observing the how many oily window of machine oil, and the oil mist separator for mist of oil separation.Using the above design, vacuum pump is minimized, external fuel tank is integrated into pump head, and solve the problems, such as oil spout.
Description
Technical field
The present invention relates to field of vacuum, more specifically, it is related to a kind of small size without mist of oil vacuum pump.
Background technique
Vacuum pump, which refers to, to be obtained using machinery, physics, chemically or physically chemical method to being evacuated by pumping container
The device or equipment of vacuum.For popular, vacuum pump is to improve, generate and maintain true in a certain enclosure space with various methods
Empty device.
By the working principle of vacuum pump, vacuum pump can substantially be divided into two types, i.e. gas trapping pump and gas passes
Defeated pump.It is widely used in the industries such as metallurgy, chemical industry, food, electronics plated film.
Since vacuum pump on the market has external fuel tank mostly, volume is big, (such as small-sized when being installed on some small devices
Manipulator, glue deaeration machine etc.) when compare occupied space.There are also the vacuum pump of small volume is although small in size, but arrange
Gas design is unreasonable, has the phenomenon that mist of oil sprays, and pollutes air.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of small size without mist of oil vacuum pump.
To achieve the above object, described true the present invention provides the following technical scheme that a kind of small size is without mist of oil vacuum pump
Sky pump includes motor, the compression chamber connecting with the motor seal, the secondary chamber matched with the compression chamber, with the second level
The bulkhead seal pad that chamber matches, and the end cap matched with the bulkhead seal pad, the compression chamber, the secondary chamber,
The bulkhead seal pad and the end cap surround a sump；A groove, the groove and described two are formed in the compression chamber
Grade chamber is tightly connected, and the rotor being connected with the motor, and the blade being connected with the rotor are equipped in the groove,
The compression chamber side wall is equipped with oil cap and exhaust valve, and the recess sidewall is equipped with the through-hole being connected with the compression chamber；
The end cap is equipped with the air check valve entered for air, divides for observing the how many oily window of machine oil, and for mist of oil
From oil mist separator；First passage is equipped between the air check valve and the groove, between the groove and sump
Equipped with second channel；Third channel is equipped between the through-hole and the oil mist separator.
In some embodiments, seal gasket is additionally provided between the bulkhead seal pad and end cap.
In some embodiments, the second channel includes that setting is equal with the secondary chamber bottom in secondary chamber bottom
The second oil pipe being connected on the upper surface of the secondary chamber bottom with first oil pipe is arranged in the first capable oil pipe, and
The third oil pipe and the 4th oil pipe being connected on the lower end surface of the secondary chamber bottom with first oil pipe are set；Described second
Oil pipe and third oil pipe are connected with the sump respectively, and the 4th oil pipe is connected with the groove.
In some embodiments, the secondary chamber is equipped with the oil delivery of isolating oil mist separator to the of groove
Four-way.
In some embodiments, the end cap is equipped with the Five-channel that matches with the air check valve, it is described every
Plate gasket is equipped with the 6th channel matched with the Five-channel, and the secondary chamber is equipped with and the 6th channel phase
Cooperation and the 7th channel being connected with the groove.
In some embodiments, the secondary chamber lower end is equipped with the secondary chamber sealing matched with the groove upper end opening
Lid, the 7th channel are arranged on the secondary chamber sealing cover, are connected by the secondary chamber sealing cover with the groove.
In some embodiments, five protrusions are equipped in the compression chamber, it is described raised by the groove and the compression
Five regions are separated between chamber side wall.
In some embodiments, the groove upper surface is equipped with circular ring shape notch, is equipped with and uses in the circular ring shape notch
The sealing ring sealed between the compression chamber and the secondary chamber.
In some embodiments, the bulkhead seal pad is equipped with second be connected between the secondary chamber and the end cap
Through-hole.
In some embodiments, the motor and the end cap are equipped with the pad for the vacuum pump to be horizontally arranged
Foot.
The present invention has an advantage that the present invention includes motor, the compression chamber connecting with the motor seal, with the pressure
The secondary chamber that contracting chamber matches, the bulkhead seal pad matched with the secondary chamber, and matched with the bulkhead seal pad
End cap, the compression chamber, the secondary chamber, the bulkhead seal pad and the end cap surround a sump；The compression chamber
One groove of interior formation, the groove and the secondary chamber are tightly connected, and turn being connected with the motor is equipped in the groove
Son, and the blade being connected with the rotor, the compression chamber side wall is equipped with oil cap and exhaust valve, in the recess sidewall
Equipped with the through-hole being connected with the compression chamber；The end cap is equipped with the air check valve entered for air, for observing
The how many oily window of machine oil, and the oil mist separator for mist of oil separation；It is equipped between the air check valve and the groove
First passage is equipped with second channel between the groove and sump；The is equipped between the through-hole and the oil mist separator
Triple channel.Using the above design, vacuum pump is minimized, external fuel tank is integrated into pump head, and solve the problems, such as oil spout.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the small size of present pre-ferred embodiments without mist of oil vacuum pump.
Fig. 2 is a kind of cross-sectional view of the small size of present pre-ferred embodiments without mist of oil vacuum pump first angle.
Fig. 3 is a kind of cross-sectional view of the small size of present pre-ferred embodiments without mist of oil vacuum pump second angle.
Fig. 4 is a kind of cross-sectional view of the small size of present pre-ferred embodiments without mist of oil vacuum pump third angle.
Fig. 5 is a kind of cross-sectional view of the small size of present pre-ferred embodiments without mist of oil vacuum pump fourth angle.
Fig. 6 is a kind of cross-sectional view of the small size of present pre-ferred embodiments without the 5th angle of mist of oil vacuum pump.
Fig. 7 is a kind of cross-sectional view of the small size of present pre-ferred embodiments without mist of oil vacuum pump hexagonal degree.
Fig. 8 is a kind of cross-sectional view of the small size of present pre-ferred embodiments without mist of oil vacuum pump heptangle degree.
Fig. 9 is a kind of cross-sectional view of the small size of present pre-ferred embodiments without mist of oil vacuum pump eighth angle.
Figure 10 is a kind of cross-sectional view of the small size of present pre-ferred embodiments without the 9th angle of mist of oil vacuum pump.
Figure 11 is a kind of cross-sectional view of the small size of present pre-ferred embodiments without the tenth angle of mist of oil vacuum pump.
Figure 12 is a kind of structural schematic diagram of the small size of present pre-ferred embodiments without compression chamber in mist of oil vacuum pump.
Figure 13 is a kind of structural schematic diagram of the small size of present pre-ferred embodiments without secondary chamber in mist of oil vacuum pump.
Figure 14 is that a kind of small size of present pre-ferred embodiments shows without the structure of another angle of secondary chamber in mist of oil vacuum pump
It is intended to.
Figure 15 is a kind of structural schematic diagram of the small size of present pre-ferred embodiments without partition gasket in mist of oil vacuum pump.
Figure 16 is a kind of structural schematic diagram of the small size of present pre-ferred embodiments without end cap in mist of oil vacuum pump.
Figure 17 is a kind of structural schematic diagram of the small size of present pre-ferred embodiments without backflow preventing structure in mist of oil vacuum pump.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
As shown in Fig. 1-Figure 17, present embodiment discloses a kind of small sizes without mist of oil vacuum pump, and the vacuum pump includes electricity
Machine 100, the compression chamber 200 being tightly connected with the motor 100, the secondary chamber 300 matched with the compression chamber 200, with institute
The bulkhead seal pad 400 that secondary chamber 300 matches, and the end cap 500 matched with the bulkhead seal pad 400 are stated, it is described
Compression chamber 200, the secondary chamber 300, the bulkhead seal pad 400 and the end cap 500 surround a sump；The compression chamber
A grooves 201 are formed in 200, the groove 201 is tightly connected with the secondary chamber 300, be equipped in the groove 201 with it is described
The rotor 202 that motor 100 is connected, and the blade 203 being connected with the rotor 202 are set on 200 side wall of compression chamber
There are oil cap 204 and exhaust valve 205,201 side wall of groove is equipped with the through-hole 206 being connected with the compression chamber 200；It is described
End cap 500 is equipped with the air check valve 501 entered for air, for observing the how many oily window 502 of machine oil, and for oil
The oil mist separator 503 of mist separation；First passage, the groove are equipped between the air check valve 501 and the groove 201
Second channel is equipped between 201 and sump；Third channel is equipped between the through-hole 206 and the oil mist separator 503.
Specifically, in use, needing for vacuum pump to be horizontally arranged, by air check valve 501 and the equipment for needing to vacuumize
It is connected, meanwhile, the air check valve 501 and oil cap 204 are set up, machine oil is poured into sump by oil cap 204,
The height of machine oil is observed by oily window 502.It should be noted that oily window 502 is a circular window, by close in window
Envelope is provided with a tempered glass, and the maximum value that the side of oily window 502 is equipped with machine oil alerts line, and the center location of tempered glass is machine
The minimum value of oil alerts point, during adding machine oil and use, alerts line and minimum value warning point by maximum value to protect
Machine oil in card sump is in normal value.
When normal use, motor 100 works, and rotor 202 is driven to rotate, and under the rotation of rotor 202, drives blade 203
Air in groove 201 is blown out to outside groove 201 by rotation by the through-hole 206 on groove 201, makes to be formed in groove 201 negative
Pressure, will be in air and machine oil inspiration groove 201.It should be noted that due to the control of machine oil height, so that on groove 201
Through-hole 206 is not covered by machine oil, meanwhile, the channel being equipped between second channel between groove 201 and sump is thinner, In
Under the action of machine oil surface tension, machine oil will not be entered in groove 201 under normal condition, meanwhile, air check valve 501 only has
It is just connected when there is negative pressure in groove 201, when blade 203 has just started rotation, air check valve 501 will not be opened, air
It can only be discharged along the through-hole 206 on groove 201, after forming negative pressure in it, air check valve 501 works, and will need to take out true
Air in empty equipment is drawn into groove 201, while machine oil being also drawn into groove 201, and machine oil plays herein
The effect of one lubrication, meanwhile, machine oil can be filled the gap between blade 203 and the inner sidewall of groove 201, increase
Its vacuum effectiveness.
After air and machine oil mix in groove 201, entered in sump again by through-hole 206, at this time due to rotation
Piece 203 is rotated always, and the state of a negative pressure is constantly in groove 201, and the machine oil in sump endlessly enters
It into groove 201, after air mixing, and is endlessly discharged in sump, when the mixture of air and machine oil enters
To after sump, along the third channel in sump, oil mist separator 503 is entered, is separated, it should be noted that
Oil mist separator 503 also known as mist of oil recycling machine, oil mist collector, only call is different.Oil mist separator 503 is a kind of installation
In on CNC machining center, all kinds of machining apparatus such as cleaning machine, die casting machine, CNC lathe, the mist of oil in processing cavity is absorbed, is reached
Air is purified, the purpose of worker's health is protected.Here oil mist separator 503 goes out air separation, and machine oil weight
It newly returns in sump, has the function that air is discharged.
In some embodiments, seal gasket is additionally provided between the bulkhead seal pad 400 and end cap 500.
Specifically, being also provided with seal gasket to reach better seal effect.
In some embodiments, the second channel includes being arranged in 300 bottom of secondary chamber and 300 bottom of secondary chamber
The first parallel oil pipe 301 of portion, setting are connected on the 300 bottom upper surface of secondary chamber with first oil pipe 301
The second oil pipe 302, and to be connected on the 300 bottom lower end surface of secondary chamber with first oil pipe 301 is set
Three oil pipes 303 and the 4th oil pipe 304；Second oil pipe 302 and third oil pipe 303 are connected with the sump respectively, institute
The 4th oil pipe 304 is stated to be connected with the groove 201.
Specifically, during the work time, due to two sides all organic oils of secondary chamber 300, in order to machine oil can faster into
Enter into groove 201, the second oil pipe 302 and third oil pipe are respectively set on the upper surface and lower end surface of 300 bottom of secondary chamber
303, it can be rapidly introduced into groove 201 convenient for machine oil.
In some embodiments, the secondary chamber 300 is equipped with the oil delivery of isolating oil mist separator 503 to recessed
The fourth lane 305 of slot 201.
Specifically, be additionally provided with backflow preventing structure in fourth lane 305, as shown in figure 17, when forming negative pressure in groove 201
When, ball 308 is inhaled downwards, meanwhile, ball 308 is blocked by bolt 309, at this point, the circular hole 310 of 308 top of ball is opened,
Machine oil is inhaled into groove 201 by negative pressure, when air pressure is normal in groove 201, it is assumed that organic oil reflux, then in machine oil
Under effect, ball 308 will be moved, and circular hole 310 is blocked, solves the problems, such as anti-backflow.
In some embodiments, the end cap 500 is equipped with the Five-channel matched with the air check valve 501
504, the bulkhead seal pad 400 is equipped with the 6th channel 401 matched with the Five-channel 504, the secondary chamber 300
It is equipped with the 7th channel 306 for matching and being connected with the groove 201 with the 6th channel 401.
In some embodiments, 300 lower end of secondary chamber is equipped with the second level matched with 201 upper end opening of groove
Chamber sealing cover 307, the 7th channel 306 are arranged on the secondary chamber sealing cover 307, pass through the secondary chamber sealing cover
307 are connected with the groove 201.
In some embodiments, five protrusions 207 are equipped in the compression chamber 200, described raised 207 by the groove
Five regions are separated between 201 and 200 side wall of the compression chamber.
In some embodiments, 201 upper surface of groove is equipped with circular ring shape notch 208, the circular ring shape notch 208
The interior sealing ring 209 being equipped with for being sealed between the compression chamber 200 and the secondary chamber 300.
In some embodiments, the bulkhead seal pad 400, which is equipped with, is connected to the secondary chamber 300 and the end cap 500
Between the second through-hole 402.
In some embodiments, the motor 100 and the end cap 500 are equipped with for the vacuum pump to be horizontally arranged
Feet 600.
In conclusion the invention proposes a kind of small sizes without mist of oil vacuum pump, the vacuum pump includes motor 100, with
The compression chamber 200 that the motor 100 is tightly connected, the secondary chamber 300 matched with the compression chamber 200, with the secondary chamber
The 300 bulkhead seal pads 400 matched, and the end cap 500 matched with the bulkhead seal pad 400, the compression chamber
200, the secondary chamber 300, the bulkhead seal pad 400 and the end cap 500 surround a sump；In the compression chamber 200
A groove 201 is formed, the groove 201 is tightly connected with the secondary chamber 300, is equipped with and the motor in the groove 201
100 rotors 202 being connected, and the blade 203 being connected with the rotor 202,200 side wall of compression chamber are equipped with oil
Lid 204 and exhaust valve 205,201 side wall of groove are equipped with the through-hole 206 being connected with the compression chamber 200；The end cap
500 are equipped with the air check valve 501 entered for air, divide for observing the how many oily window 502 of machine oil, and for mist of oil
From oil mist separator 503；First passage, the groove 201 are equipped between the air check valve 501 and the groove 201
Second channel is equipped between sump；Third channel is equipped between the through-hole 206 and the oil mist separator 503.Using
The above design, vacuum pump is minimized, external fuel tank is integrated into pump head, and solve the problems, such as oil spout.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of small size is without mist of oil vacuum pump, which is characterized in that the vacuum pump includes motor, is connect with the motor seal
Compression chamber, the secondary chamber matched with the compression chamber, the bulkhead seal pad matched with the secondary chamber, and with it is described
The end cap that bulkhead seal pad matches, the compression chamber, the secondary chamber, the bulkhead seal pad and the end cap surround a machine
Fuel tank；A groove is formed in the compression chamber, the groove and the secondary chamber are tightly connected, be equipped in the groove with it is described
The rotor that motor is connected, and the blade being connected with the rotor, the compression chamber side wall are equipped with oil cap and exhaust valve,
The recess sidewall is equipped with the first through hole being connected with the compression chamber；The end cap is equipped with the sky entered for air
Gas check valve, for observing the how many oily window of machine oil, and the oil mist separator for mist of oil separation；The air check valve and
It is equipped with first passage between the groove, second channel is equipped between the groove and sump；The first through hole with it is described
Third channel is equipped between oil mist separator；
Seal gasket is additionally provided between the bulkhead seal pad and end cap；
The second channel includes that the first oil pipe parallel with the secondary chamber bottom in secondary chamber bottom is arranged in, and setting exists
The second oil pipe being connected on the upper surface of the secondary chamber bottom with first oil pipe, and be arranged in the secondary chamber bottom
The third oil pipe and the 4th oil pipe being connected on lower end surface with first oil pipe；Second oil pipe and third oil pipe respectively with
The sump is connected, and the 4th oil pipe is connected with the groove；
Fourth lane of the secondary chamber equipped with the oil delivery for isolating oil mist separator to groove；
Secondary chamber bottom upper surface is the end face of the secondary chamber bottom far from motor side, secondary chamber bottom lower end surface
It is the secondary chamber bottom close to the end face of motor side.
2. small size according to claim 1 is without mist of oil vacuum pump, which is characterized in that the end cap is equipped with and the sky
The Five-channel that gas check valve matches, the bulkhead seal pad are equipped with the 6th channel matched with the Five-channel,
The secondary chamber is equipped with the 7th channel for matching and being connected with the groove with the 6th channel.
3. small size according to claim 2 is without mist of oil vacuum pump, which is characterized in that the secondary chamber lower end is equipped with and institute
The secondary chamber sealing cover that groove upper end opening matches is stated, the 7th channel is arranged on the secondary chamber sealing cover, passes through
The secondary chamber sealing cover is connected with the groove, and the secondary chamber lower end is the secondary chamber close to one end of motor side,
The groove upper end is the one end of the groove far from motor side.
4. small size according to claim 1 is without mist of oil vacuum pump, which is characterized in that convex equipped with five in the compression chamber
It rises, the protrusion will be separated into five regions between the groove and the compression chamber side wall.
5. small size according to claim 4 is without mist of oil vacuum pump, which is characterized in that the groove upper surface is equipped with circle
Annular notches, the interior sealing ring being equipped with for sealing between the compression chamber and the secondary chamber of the circular ring shape notch are described
Groove upper surface is end face of the groove far from motor side.
6. small size according to claim 1 is without mist of oil vacuum pump, which is characterized in that the bulkhead seal pad, which is equipped with, to be connected
Lead to the second through-hole between the secondary chamber and the end cap.
7. small size described in any one of -6 is without mist of oil vacuum pump according to claim 1, which is characterized in that the motor and
The end cap is equipped with the feet for the vacuum pump to be horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810327066.XA CN108571448B (en) | 2018-04-12 | 2018-04-12 | A kind of small size is without mist of oil vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810327066.XA CN108571448B (en) | 2018-04-12 | 2018-04-12 | A kind of small size is without mist of oil vacuum pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108571448A CN108571448A (en) | 2018-09-25 |
| CN108571448B true CN108571448B (en) | 2019-11-19 |
Family
ID=63574828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810327066.XA Active CN108571448B (en) | 2018-04-12 | 2018-04-12 | A kind of small size is without mist of oil vacuum pump |
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| Country | Link |
|---|---|
| CN (1) | CN108571448B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1454014A (en) * | 1973-10-29 | 1976-10-27 | Leybold Heraeus Verwaltung | Rotary sliding vane pump |
| CN1151486A (en) * | 1995-11-29 | 1997-06-11 | 日本真空技术株式会社 | Cooling device for oil-sealed rotary vacuum pump |
| CN201588782U (en) * | 2009-09-17 | 2010-09-22 | 通州市烽达真空设备厂 | Small-sized single-stage rotary vane type vacuum pump |
| CN104179661A (en) * | 2014-07-29 | 2014-12-03 | 江苏太平洋液压机械制造有限公司 | Mini vacuum pump |
| CN205315272U (en) * | 2016-01-16 | 2016-06-15 | 温岭市阳一机电有限公司 | Accurate rotary -vane vacuum pump is observed to fluid |
| CN205841196U (en) * | 2016-06-03 | 2016-12-28 | 蒋友荣 | A kind of rotary-vane vaccum pump with built-in oil mist trapping device |
-
2018
- 2018-04-12 CN CN201810327066.XA patent/CN108571448B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1454014A (en) * | 1973-10-29 | 1976-10-27 | Leybold Heraeus Verwaltung | Rotary sliding vane pump |
| CN1151486A (en) * | 1995-11-29 | 1997-06-11 | 日本真空技术株式会社 | Cooling device for oil-sealed rotary vacuum pump |
| CN201588782U (en) * | 2009-09-17 | 2010-09-22 | 通州市烽达真空设备厂 | Small-sized single-stage rotary vane type vacuum pump |
| CN104179661A (en) * | 2014-07-29 | 2014-12-03 | 江苏太平洋液压机械制造有限公司 | Mini vacuum pump |
| CN205315272U (en) * | 2016-01-16 | 2016-06-15 | 温岭市阳一机电有限公司 | Accurate rotary -vane vacuum pump is observed to fluid |
| CN205841196U (en) * | 2016-06-03 | 2016-12-28 | 蒋友荣 | A kind of rotary-vane vaccum pump with built-in oil mist trapping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108571448A (en) | 2018-09-25 |
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