CN105065269B - Rotary-vane vaccum pump - Google Patents
Rotary-vane vaccum pump Download PDFInfo
- Publication number
- CN105065269B CN105065269B CN201510453313.7A CN201510453313A CN105065269B CN 105065269 B CN105065269 B CN 105065269B CN 201510453313 A CN201510453313 A CN 201510453313A CN 105065269 B CN105065269 B CN 105065269B
- Authority
- CN
- China
- Prior art keywords
- oil
- pump housing
- fuel tank
- offers
- connecting shaft
- 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.)
- Active
Links
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a kind of rotary-vane vaccum pump, including fuel tank, the pump housing of cavity is provided with located at the inside of fuel tank sidepiece, it is placed in the first exhaust part of pump body, the second exhaust part being placed in outside the pump housing and drive division, the pump housing top offers air inlet, one side end of the pump housing offers gas outlet, the cavity is communicated in air inlet to form inlet channel, cavity is communicated in gas outlet to form outlet passageway, first exhaust part is the rotor that the axial direction being placed in cavity is connected with radially movable blade, the blade end contacts in pump housing cavity inner wall, the top of oil-tank is provided with oil inlet pipe, the oil-feed tube end has been threaded connection oil cap, the fuel tank sidepiece offers oil-out, the pump body sidewall offers oil-in corresponding to fuel tank oil-out position.Present configuration is simple, easy to operate, and two pumping sections are arranged, and vacuum pumping rate is fast, high working efficiency；Oil returning tube and cooling piece ensure that pump body temperature is uniform.
Description
Technical field
The invention belongs to vacuum pump technology field, more particularly, to a kind of rotary-vane vaccum pump.
Background technology
Vacuum pump is referred to and is obtained to taking out container and being evacuated using machinery, physics, chemically or physically chemical method
The device or equipment of vacuum.Vacuum pump has extensively in cryogenic equipment, medication chemistry, food machinery, industrial furnace, electron trade etc.
General application.Vacuum pump can be divided into black vacuum degree, condition of high vacuum degree, ultrahigh vacuum degree according to according to vacuum, for extraction
The vacuum pump of condition of high vacuum degree can be divided into slide-valve vacuum pump, rotary-vane vaccum pump, Roots vaccum pump according to operation principle.Its
In, rotary-vane vaccum pump mainly passes through rotor and the multiple blades on rotor in pump housing cavity, along rotor
Move radially, and contact between cavity inner wall, a kind of rotary volume-variable product vacuum pump that pump chamber is divided into several variable volumes.
The air of the part of required extraction is extracted out by the effect of rotor and blade, obtain higher vacuum.In such work
Under principle, oil would generally be injected to seal which between blade and pump housing cavity so that the effect of evacuation is more preferable.But
Such setting causes rotary-vane vaccum pump when stopping is broken down, and the oil in pump housing cavity is easily because of the reason for pressure
The components interior of required extracting vacuum is entered into, part is polluted.During blade rotates, blade is in cavity inner wall
Between friction can produce heat so that oil temperature in cavity is raised, the pump housing of the prior art usually not oil return apparatus, the pump housing
Oil after internal intensification cannot pass through refrigeration.Of course, it is possible to pass through to put except internal warmed up oil, refill new oil to drop
The temperature of low latitude intracavity, but the oil consumption of such way is very big, waste of resource, and cost is very high.And the usual pump housing
Rotating part more, noise is larger.
Content of the invention
The present invention is in order to overcome the deficiencies in the prior art, there is provided a kind of there is simple structure, noise is little, can keep in pump chamber
The energy-efficient rotary-vane vaccum pump of temperature constant.
To achieve these goals, the present invention is employed the following technical solutions：A kind of rotary-vane vaccum pump, including fuel tank, sets
The pump housing of cavity, the first exhaust part for being placed in pump body, second taking out of being placed in outside the pump housing are provided with the inside of fuel tank sidepiece
Gas portion and drive division, the pump housing top offer air inlet, and one side end of the pump housing offers gas outlet, the cavity connection
In air inlet to form inlet channel, cavity is communicated in gas outlet to form outlet passageway, and first exhaust part is to be placed in
Axial direction in cavity is connected with the rotor of radially movable blade, and the blade end is contacted with pump housing cavity inner wall, described
Top of oil-tank is provided with oil inlet pipe, and the oil-feed tube end has been threaded connection oil cap, and the fuel tank sidepiece offers oil-out, goes out
Hydraulic fluid port side face extends outward fuel tank side and forms fixed base plate, and the fixed bottom boundary offers at least four to be used for fixing the pump housing
First fixing threaded hole, the pump body sidewall offer oil-in corresponding to fuel tank oil-out position, and the oil-in side face is connected with
Shape, size fixed charge method end plate corresponding with fixed base plate, and open up corresponding to the first fixing threaded hole position on fixed charge method end plate
There are the second fixing threaded hole, the fuel tank top to be provided with circular observation window, fuel tank internal is provided with the system for liquid in the fuel tank that freezes
Cold part, the pump housing sidepiece and bottom offer oil return and portal, and fuel tank also offers oil return corresponding to pump housing oil return hole site
Inlet hole, corresponding oil return are portalled and between oil return inlet hole are connected to form oil returning tube by oil pipe, and second exhaust part includes revolving
Turn connecting shaft, pumping flabellum, check ring, shield, the first locating piece, the shield side is opening setting, the rotation connecting shaft, takes out
Gas flabellum, check ring are placed in shield open side, and the shield open side is fixed in pump housing end by fastening screw,
Opposite side radially offers annular outlet groove along shield, and the rotation connecting shaft bottom is provided with the first magnetic piece, the rotor-end
Portion is provided with the second magnetic piece corresponding to the first magnetic piece position, and first magnetic piece is engaged to drive the second exhaust part with the second magnetic piece
Rotate, the pumping flabellum is sheathed on rotation connecting shaft, and the rotation connecting shaft end is extended pumping flabellum outer surface and is arranged bullet
Spring back-up ring, the rotation connecting shaft sidepiece offer the first location indentations, and pumping flabellum sidepiece corresponds to the first location indentations position
The second location indentations are offered, first locating piece is placed in first location indentations and the second location indentations, the drive
Dynamic portion includes motor casing, motor, shaft coupling, coupling band, barreled tooth flank, flange, the second locating piece and connecting shaft, the shaft coupling
One end of end is fixed in rotor, and the other end external peripheral surface is set to dentation, and the coupling band inner surface is also set to dentation, should
Shaft coupling dentated ends are placed in coupling band with barreled tooth flank, and between three, dentalation cooperates so that motor driving turns
Son is rotated, and the motor is placed in inside motor casing, and motor casing side is arranged for opening, and the connecting shaft wherein one end is placed in electricity
It is fixedly connected in casing opening and with motor, connecting shaft other end sidepiece offers the 3rd location indentations, the barreled tooth flank
It is sheathed in connecting shaft, the barreled tooth flank inner surface offers the 4th location indentations corresponding to the 3rd location indentations position, described
Two locating pieces are placed in the 3rd location indentations and the 4th location indentations, and the motor casing is fixed on the pump housing by flange.This
Bright simple structure, rotating part are less, and fuel tank is arranged at pump housing side so that overall pump housing small volume.By the first magnetic piece
It is engaged with the second magnetic piece so that two exhaust parts can be simultaneously driven by a drive division, saves power, and two pumpings
Asynchronously act on, more preferably, work efficiency is improved vacuumizing effect.Cooling piece in reflux line and fuel tank can be caused in the pump housing
Oil and fuel tank in oil realize backflow, continue to be passed through in pump chamber after freezing by fuel tank, it is ensured that constant stable in pump chamber, and
Realize that resources circulation is used, save oil consumption, reduces cost.
Once enter, the pump housing, motor casing are provided with lower margin, the lower margin is connected to the pump housing and electricity by joint screw thread
Casing, the pump housing, motor casing are column structure, and when plane is placed on, smoothness is relatively low, add lower margin and can increase what which landed
Smoothness so that the pump housing will not be toppled because of situations such as vibrations in the course of the work.And the setting of lower margin causes pump
Body grab tighter, the vibrations occurred in the course of work are subjected to displacement will not the pump housing.
Further, the lower margin bottom is connected with crash roll, can weaken the shock conditions of the pump housing so that when the pump housing works
Because the noise that vibrations are produced reduces.
Further, sealing member is provided between the fixed base plate and fixed charge method end plate contact surface, the sealing member pair
Through hole should be offered in the first fixing threaded hole and the second fixing threaded hole position so that the oil between fuel tank and the pump housing will not occur
Leakage.
Further, the cooling piece is helical form refrigerator pipes, and the refrigerator pipes are horizontally set at tank bottoms, and freeze pipe end
Portion is fixed in fuel tank sidewall, and oil in pump chamber can heat up because of frictional heat that blade rubbed is absorbed with cavity, after intensification
Oil can be back in fuel tank by oil returning tube and be freezed, and flowed back in pump chamber by oil returning tube by the oil after refrigeration, made
Obtain the temperature constant in pump chamber.Refrigerator pipes are spiral helicine to arrange the contact area increase caused between refrigerator pipes and oil, accelerates
Refrigerating speed, lifts refrigeration within the same time.
Further, the rotor, be provided with and the contact surface of the pump housing between at coupling connection for preventing in the pump housing
Oil reveal oily dynamic seal, by the setting of oily dynamic seal so that shaft coupling rotor driven rotate during, in pump chamber
Oil outwards will not leak.
Further, the air inlet is provided with valve, when the pump housing breaks down stopping, can closing air inlet in time
On valve so that the oil in pump chamber will not enter into the components interior of required extracting vacuum because of pressure reason.
In sum, the present invention has advantages below：This rotary-vane vaccum pump simple structure, rotating part are less, fuel tank
It is arranged at pump housing side so that overall pump housing small volume.It is engaged with the second magnetic piece by the first magnetic piece so that by one
Drive division can simultaneously drive two exhaust parts, save power, and two pumpings are acted on when different, and vacuumizing effect is more preferable, work
Make efficiency raising.Cooling piece in reflux line and fuel tank can cause the oil in the pump housing to realize backflow with the oil in fuel tank, lead to
Continue to be passed through in pump chamber after crossing fuel tank refrigeration, it is ensured that constant stable in pump chamber, and realize that resources circulation is used, save oil consumption,
Reduces cost.Sealing member between each contact surface can the effective guarantee pump housing sealing effectiveness, prevent the oil in pump chamber from leaking out.
Description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the present invention.
Fig. 2 is the structural representation of the pump housing of the present invention.
Fig. 3 is the enlarged drawing that B goes out in Fig. 1.
Fig. 4 is the enlarged drawing that D goes out in Fig. 1.
Specific embodiment
In order that those skilled in the art are better understood from the present invention program, below in conjunction with the embodiment of the present invention in
Accompanying drawing, to the embodiment of the present invention in technical scheme carry out clear, complete description.
As Figure 1-4, a kind of rotary-vane vaccum pump, is evacuated including fuel tank 1, located at the pump housing 2, first of 1 sidepiece of fuel tank
Portion 4, the second exhaust part 5 and drive division 6.The top of fuel tank 1 is provided with oil inlet pipe 11, and the end of the oil inlet pipe 11 passes through screw thread
It is connected with oil cap.The sidepiece of fuel tank 1 offers the oil-out 12 of a rectangle like, and the side face of oil-out 12 is extended outward
Fuel tank side forms fixed base plate 13, and four drift angles of the fixation base plate 13 are all offered to be fixed for fixing the first of the pump housing 2
Screw 14, the number of certain first fixing threaded hole 14 can also open up more so that fixed effect is more preferable.The pump housing 2 is located at
The sidepiece of fuel tank, the position on the side wall of the pump housing 2 corresponding to fuel tank oil-out 12 offer oil-in, and the side face of oil-in is affixed
There are a shape, size and 13 identical fixed charge method end plate 15 of fixed base plate, and spiral shell is fixed corresponding to first on fixed charge method end plate 15
The position in hole 14 offers the second fixing threaded hole 16.Fixed base plate 13 and fixed charge method end plate 15 are overlapped during installation so that the
One fixing threaded hole 14 and the second fixing threaded hole 16 are communicated, and proceed to spiral shell afterwards in the first fixing threaded hole 14 and the second fixing threaded hole 16
Bar, stretches out on the end of the second fixing threaded hole 16 set top nut afterwards, is then tightened in screw rod, realizes the pump housing and fuel tank
Fixed.Certainly, a sealing member 20 is also provided between fixed base plate 13 and the contact surface of fixed charge method end plate 15, seal
Part 20 offers through hole corresponding to the first fixing threaded hole 14 and the second 16 hole site of fixation spiral shell so that between fuel tank and the pump housing
Oil will not be leaked.Sealing member 20 can be paper washer or rubber ring etc..1 top of the fuel tank is provided with circular observation window 17,
Can be used for the oil mass for observing fuel tank internal, in good time carries out repairing to fuel tank.The inside of fuel tank 1 is additionally provided with for the fuel tank that freezes
The cooling piece of liquid in 1, cooling piece can be spiral helicine refrigerator pipes, and the refrigerator pipes are horizontally set at tank bottoms, refrigerator pipes
End is fixed in fuel tank sidewall.Oil in pump chamber can heat up because of frictional heat that blade rubbed is absorbed with cavity, after intensification
Oil can be back in fuel tank by oil returning tube and freezed, flowed back in pump chamber by oil returning tube by the oil after refrigeration,
So that the temperature constant in pump chamber.Refrigerator pipes are spiral helicine to arrange the contact area increase caused between refrigerator pipes and oil, accelerates
Refrigerating speed, lifts refrigeration within same time.
Drive division 6 is by motor casing 61, motor 62, shaft coupling 63, coupling band 64, barreled tooth flank 65, flange 66, second
Locating piece 67 and connecting shaft 68 are constituted.One of end of shaft coupling 63 is fixedly connected on rotor 41, outside the other end
Circumferential surface is set to dentation, and the inner surface of coupling band 64 is also set to dentation, and the dentated ends of shaft coupling 63 and barreled tooth flank 65 are all placed in
In coupling band 64, between three, dentalation cooperates so that motor 62 drives rotor 41 to rotate.Motor casing 61 its
Middle side is arranged for opening, and motor 62 is placed in the open side of motor casing 61, and wherein one end of connecting shaft 68 is placed in motor
Shell 61 is open interior and is fixedly connected with motor 62.The motor casing 61 is fixedly connected on the pump housing 2 by flange 66.Described
The oily dynamic sealing for preventing in the pump housing 2 oil to reveal is provided between rotor 41,63 junction of shaft coupling and the contact surface of the pump housing 2
Part.So that shaft coupling is during rotor driven rotation, the oil in pump chamber outwards will not be leaked.
Second exhaust part 5 is placed in the outside of the pump housing 2, and the second exhaust part 5 is by rotation connecting shaft 51, pumping flabellum 52, spring
Back-up ring 53, shield 54 and the first locating piece 55 are constituted.The wherein side of shield 54 is arranged for opening, the rotation connecting shaft 51,
Pumping flabellum 52, check ring 53 are placed in 54 open side of shield.54 open side of the shield is fixed in by fastening screw
2 end of the pump housing, opposite side offer annular outlet groove 56 along 54 radial direction of shield, for the aerofluxuss of the second exhaust part.Described take out
Gas flabellum 52 is set on rotation connecting shaft 51, and the outer surface of pumping flabellum 52 is extended in the end of the rotation connecting shaft 51, extends
51 end of rotation connecting shaft on be arranged check ring 53.
Preferably, the pump housing 2, the lower section of motor casing 61 are provided with lower margin 18, the lower margin 18 passes through 19 spiral shell of joint
Stricture of vagina is connected to the pump housing 2 and motor casing 61, and the pump housing, motor casing are column structure, and when plane is placed on, smoothness is relatively low, adds
Lower margin can increase the smoothness which lands so that the pump housing will not be toppled because of situations such as vibrations in the course of the work.And
And the setting of lower margin cause the pump housing grab tighter, the vibrations occurred in the course of work are subjected to displacement will not the pump housing.Can be with
Connect crash roll in lower margin bottom, the shock conditions of the pump housing can be weakened so that because the noise that vibrations are produced subtracts when the pump housing works
Little.
Specifically as shown in Fig. 2 the inside of the pump housing 2 is provided with cavity 3, the top of the pump housing 2 offers air inlet 7, and air inlet 7 sets
It is equipped with valve so that even if when machine breaks down stopping suddenly, valve closing air inlet 7 can be passed through so that in pump chamber
Oil will not enter into the components interior of required extracting vacuum because of pressure reason.Gas outlet 8, institute are offered in one side end of the pump housing
Stating cavity 3 and air inlet 7 being communicated in form inlet channel 9, cavity 3 is communicated in gas outlet 8 to form outlet passageway 10.First takes out
Gas portion 4 is the rotor 41 that the axial direction being placed in cavity 3 is connected with radially movable blade 42,42 end of blade and the pump housing
3 inwall of cavity contacts, by the movement and the rotation of rotor 41 of blade 42, so as to gas is transported to outlet by air inlet
Mouthful.The sidepiece of the pump housing 2 and bottom offer oil return and portal 21, and fuel tank 1 is also offered corresponding to pump housing oil return 21 positions of portalling
Oil return inlet hole, corresponding oil return are portalled and connected to form oil returning tube 22 by oil pipe between 21 and oil return inlet hole, the oil meeting in pump chamber
Heat up because of frictional heat that blade rubbed is absorbed with cavity, the oil after intensification can be back in fuel tank by oil returning tube
Row refrigeration, is flowed back in pump chamber by oil returning tube by the oil after refrigeration so that the temperature constant in pump chamber.
Concrete as shown in figure 3,51 bottom of rotation connecting shaft is provided with the first magnetic piece 57, in the rotor 41 of the first exhaust part 4
End is provided with the second magnetic piece 58 corresponding to the position of the first magnetic piece 57, and first magnetic piece 57 is engaged to drive in the second magnetic piece 58
Dynamic second exhaust part 5 is rotated.The sidepiece of the rotation connecting shaft 51 offers the first location indentations 511, is evacuated 52 sidepiece pair of flabellum
The second location indentations 521 should be offered in 511 position of the first location indentations, the first locating piece 55 is placed in first location indentations
511 and second in location indentations 521.First location indentations 511, the size of the second location indentations 521 are the first locating piece 55
1/2, when be evacuated flabellum 52 be enclosed within rotation connecting shaft 51 on when, the first locating piece 55 is embedded just below the first location indentations 511, second
In the recess that location indentations 521 are formed so that pumping flabellum 52 and rotation connecting shaft 51 are fixed into an entirety, in rotation connecting shaft 51
During rotation, pumping flabellum 52 will not occur slide displacement with rotation connecting shaft 51 so that pumping flabellum 52 is with rotation connecting shaft 51 together
Rotate.
Specifically as shown in figure 4, the other end sidepiece of connecting shaft 68 offers the 3rd location indentations 681, barreled tooth flank 65 is set
It is located in connecting shaft 68, to offer the 4th positioning recessed corresponding to the position of the 3rd location indentations 681 for the inner surface of the barreled tooth flank
Portion 651, second locating piece 67 are placed in the 3rd location indentations 681 and the 4th location indentations 651.3rd location indentations
681 and the 4th the size of location indentations 651 be the 1/2 of the second locating piece 67, when barreled tooth flank 65 is enclosed within connecting shaft 68,
Two locating pieces 67 are embedded just below in the recess that the 3rd location indentations 681 and the 4th location indentations 651 are formed so that 65 He of barreled tooth flank
Connecting shaft 68 becomes an entirety, and when connecting shaft is rotated, barreled tooth flank 65 will not occur slide displacement with connecting shaft 68 so that drum
Shape tooth 65 is together rotated with connecting shaft 68.
Obviously, described embodiment a part of embodiment only of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, should all belong to the scope of protection of the invention.
Claims (7)
1. a kind of rotary-vane vaccum pump, be provided with including fuel tank (1), located at the inside of fuel tank (1) sidepiece cavity (3) the pump housing (2),
It is placed in internal the first exhaust part (4) of the pump housing (2), is placed in outside the second exhaust part (5) of the pump housing (2) and drive division (6), institute
State the pump housing (2) top and offer air inlet (7), one side end of the pump housing offers gas outlet (8), cavity (3) be communicated in into
To form inlet channel (9), cavity (3) is communicated in gas outlet (8) to form outlet passageway (10) to QI KOU (7), and described first takes out
Gas portion (4) is connected with the rotor (41) of radially movable blade (42), the blade (42) for the axial direction that is placed in cavity (3)
End is contacted with pump housing cavity (3) inwall, is provided with oil inlet pipe (11) at the top of fuel tank (1), and the oil inlet pipe (11) end leads to
Cross and be threaded with oil cap, it is characterised in that：Fuel tank (1) sidepiece offers oil-out (12), oil-out (12) side face to
Extend outward fuel tank side and form fixed base plate (13), the fixation base plate (13) offers at least four to be used for fixing the pump housing (2)
The first fixing threaded hole (14), the pump housing (2) side wall offers oil-in corresponding to fuel tank oil-out (12) position, the oil-feed
It is corresponding fixed charge method end plate (15) with fixation base plate (13) and corresponding on fixed charge method end plate (15) that mouth side face is connected with shape, size
Second fixing threaded hole (16) is offered in the first fixing threaded hole (14) position, and fuel tank (1) top is provided with circular observation window
(17) cooling piece for the interior liquid of the fuel tank that freezes (1), is provided with inside fuel tank (1), and the pump housing (2) sidepiece and bottom open up
There is oil return to portal (21), fuel tank (1) also offers oil return inlet hole corresponding to pump housing oil return (21) position of portalling, corresponding oil return is portalled
(21) connect to form oil returning tube (22) between oil return inlet hole by oil pipe, described second exhaust part (5) include rotation connecting shaft
(51), pumping flabellum (52), check ring (53), shield (54), the first locating piece (55), shield (54) side are opening
Arrange, the rotation connecting shaft (51), pumping flabellum (52), check ring (53) are placed in shield (54) open side, the shield
(54) open side is fixed in the pump housing (2) end by fastening screw, and opposite side radially offers annular outlet along shield (54) and leads to
Groove (56), rotation connecting shaft (51) bottom are provided with the first magnetic piece (57), and rotor (41) end corresponds to the first magnetic piece
(57) position is provided with the second magnetic piece (58), and first magnetic piece (57) is engaged to drive the second exhaust part with the second magnetic piece (58)
(5) rotate, pumping flabellum (52) is sheathed in rotation connecting shaft (51), and pumping flabellum is extended in rotation connecting shaft (51) end
(52) outer surface sheathed spring back-up ring (53), rotation connecting shaft (51) sidepiece offer the first location indentations (511), are evacuated
Flabellum (52) sidepiece offers the second location indentations (521), first locating piece corresponding to the first location indentations (511) position
(55) it is placed in first location indentations (511) and the second location indentations (521), described drive division (6) include motor casing
(61), motor (62), shaft coupling (63), coupling band (64), barreled tooth flank (65), flange (66), the second locating piece (67) and
Connecting shaft (68), one end of shaft coupling (63) end are fixed in rotor (41), and the other end external peripheral surface is set to dentation, institute
State coupling band (64) inner surface and be also set to dentation, the shaft coupling (63) dentated ends are placed in coupling band (64) with barreled tooth flank (65)
Interior, between three, dentalation cooperates so that motor (62) drives rotor (41) rotation, the motor (62) to put
Internal in motor casing (61), motor casing (61) side is arranged for opening, and connecting shaft (68) wherein one end is placed in motor casing
(61) it is fixedly connected in being open and with motor (62), connecting shaft (68) other end sidepiece offers the 3rd location indentations
(681), barreled tooth flank (65) are sheathed in connecting shaft (68), and the barreled tooth flank inner surface corresponds to the 3rd location indentations (681)
Position offers the 4th location indentations (651), and the second locating piece (67) are placed in the 3rd location indentations (681) and the 4th and determine
In position recess (651), described motor casing (61) are fixed on the pump housing (2) by flange (66).
2. a kind of rotary-vane vaccum pump according to claim 1, it is characterised in that：The pump housing (2), motor casing (61) are
Lower margin (18) is provided with, the lower margin (18) is threadedly connected to the pump housing (2) and motor casing (61) by joint (19).
3. a kind of rotary-vane vaccum pump according to claim 2, it is characterised in that：Lower margin (18) bottom is connected with anti-
Shake pad.
4. a kind of rotary-vane vaccum pump according to claim 1, it is characterised in that：Fixed base plate (13) and fixing end
Sealing member (20) is provided between plate (15) contact surface, and described sealing member (20) correspond to the first fixing threaded hole (14) and second
Fixed spiral shell (16) hole site offers through hole.
5. a kind of rotary-vane vaccum pump according to claim 1, it is characterised in that：The cooling piece freezes for helical form
Pipe, the refrigerator pipes are horizontally set at tank bottoms, and refrigeration tube end is fixed in fuel tank sidewall.
6. a kind of rotary-vane vaccum pump according to claim 1, it is characterised in that：Rotor (41), shaft coupling (63) are even
The oily dynamic seal for preventing in the pump housing (2) oil to reveal is provided between the contact surface of the place of connecing and the pump housing (2).
7. a kind of rotary-vane vaccum pump according to claim 1, it is characterised in that：Air inlet (7) are provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510453313.7A CN105065269B (en) | 2015-07-29 | 2015-07-29 | Rotary-vane vaccum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510453313.7A CN105065269B (en) | 2015-07-29 | 2015-07-29 | Rotary-vane vaccum pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105065269A CN105065269A (en) | 2015-11-18 |
| CN105065269B true CN105065269B (en) | 2017-03-15 |
Family
ID=54494742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510453313.7A Active CN105065269B (en) | 2015-07-29 | 2015-07-29 | Rotary-vane vaccum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105065269B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216109A (en) * | 2021-05-10 | 2021-08-06 | 国家海洋局北海环境监测中心 | Air charging device for floating barrel of oil containment boom for recovering spilled oil on sea surface |
| CN114898653A (en) * | 2022-07-13 | 2022-08-12 | 深圳市泉天下智能装备科技有限公司 | Vacuum pump mechanism model demonstration device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5939982A (en) * | 1982-08-28 | 1984-03-05 | Kashiyama Kogyo Kk | Cooling mechanism of vacuum pump |
| JPS6187991A (en) * | 1984-10-05 | 1986-05-06 | Kashiyama Kogyo Kk | Oil rotary vacuum pump |
| JPS62182493A (en) * | 1986-02-04 | 1987-08-10 | Shimadzu Corp | Oil rotary vacuum pump |
| CN2238923Y (en) * | 1995-10-04 | 1996-10-30 | 张庆玉 | Self-cooled oil ring vacuum pump |
| EP0836007A1 (en) * | 1996-10-09 | 1998-04-15 | Machines Pneumatiques Rotatives Industries, MPRI | Vane vacuum pumps or compressors |
| CN201878428U (en) * | 2010-12-09 | 2011-06-22 | 北大方正集团有限公司 | Vacuumizing device |
| CN202811372U (en) * | 2012-09-28 | 2013-03-20 | 浙江飞越机电有限公司 | Cooling device for vacuum pump oil |
| CN103089635A (en) * | 2011-10-27 | 2013-05-08 | 南通龙鹰真空泵业有限公司 | Rotary-vane vacuum pump |
| CN202946385U (en) * | 2012-10-30 | 2013-05-22 | 南通金坤机械设备有限公司 | Spiral slice energy-efficient and environment-friendly vacuum pump |
-
2015
- 2015-07-29 CN CN201510453313.7A patent/CN105065269B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5939982A (en) * | 1982-08-28 | 1984-03-05 | Kashiyama Kogyo Kk | Cooling mechanism of vacuum pump |
| JPS6187991A (en) * | 1984-10-05 | 1986-05-06 | Kashiyama Kogyo Kk | Oil rotary vacuum pump |
| JPS62182493A (en) * | 1986-02-04 | 1987-08-10 | Shimadzu Corp | Oil rotary vacuum pump |
| CN2238923Y (en) * | 1995-10-04 | 1996-10-30 | 张庆玉 | Self-cooled oil ring vacuum pump |
| EP0836007A1 (en) * | 1996-10-09 | 1998-04-15 | Machines Pneumatiques Rotatives Industries, MPRI | Vane vacuum pumps or compressors |
| CN201878428U (en) * | 2010-12-09 | 2011-06-22 | 北大方正集团有限公司 | Vacuumizing device |
| CN103089635A (en) * | 2011-10-27 | 2013-05-08 | 南通龙鹰真空泵业有限公司 | Rotary-vane vacuum pump |
| CN202811372U (en) * | 2012-09-28 | 2013-03-20 | 浙江飞越机电有限公司 | Cooling device for vacuum pump oil |
| CN202946385U (en) * | 2012-10-30 | 2013-05-22 | 南通金坤机械设备有限公司 | Spiral slice energy-efficient and environment-friendly vacuum pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105065269A (en) | 2015-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204082557U (en) | Vacuum pump screw rotor cooling system | |
| CN104061317A (en) | Non-contact seal device for high-speed shaft of gear speed reducer | |
| CN105065269B (en) | Rotary-vane vaccum pump | |
| CN103925373B (en) | A kind of mazy type shuts down bilateral sealing device | |
| CN204827926U (en) | Novel rotary -vane vaccum pump | |
| CN103925368B (en) | A kind of mazy type shutdown sealing device | |
| CN203906018U (en) | Compressor end sealing structure of turbocharger | |
| CN210858818U (en) | Two-way spiral sealing system of steam turbine axle head | |
| CN102170189A (en) | Floating sealing ring bearing chamber of motor | |
| CN103090014B (en) | Cartridge counter-pressure-resshaftt shaftt seal | |
| CN103352865B (en) | Bearing anti-fouler and be provided with the centrifugal pump of bearing anti-fouler | |
| CN205805988U (en) | A kind of shield pump pump chamber sealing water device and pump chamber automatic developing machine | |
| CN103868269B (en) | A kind of contact seal inversion type air wave refrigerating device | |
| CN209370085U (en) | Centrifugal cryogenic liquid pump | |
| CN210769339U (en) | Assembled high-speed low-temperature centrifugal pump | |
| CN110661379B (en) | Cooling and heat dissipating device of wet motor | |
| CN206246417U (en) | Anti-caking CHP | |
| CN209340507U (en) | A kind of wear-resisting type rotating shaft lip-shaped sealing device of forced-convection heat transfer | |
| CN203394839U (en) | Shaft mechanical sealing device of main cooling medium pump of nuclear power plant | |
| CN105927542A (en) | Rotor shaft seal structure for double-screw compressor | |
| CN206175247U (en) | A starting feed water pump group for nuclear power station | |
| CN105179241A (en) | Horizontal fully-closed revolving compressor with oval rotor | |
| CN203796968U (en) | Labyrinth shutdown two-way seal device | |
| CN204984890U (en) | Horizontal totally closed oval rotor rotary compressor | |
| CN201215086Y (en) | Vacuum pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |