CN1417479A - Special rotary-vane vacuum pump - Google Patents
Special rotary-vane vacuum pump Download PDFInfo
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- CN1417479A CN1417479A CN 01134329 CN01134329A CN1417479A CN 1417479 A CN1417479 A CN 1417479A CN 01134329 CN01134329 CN 01134329 CN 01134329 A CN01134329 A CN 01134329A CN 1417479 A CN1417479 A CN 1417479A
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- pump case
- special rotary
- rotor
- vane vacuum
- vacuum pump
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Abstract
The special rotary-vane vacuum pump has cylindrical high rotor fixed to inner pump casing cavity via front and back shaft couplers and front and back end boards and the outer arc is made to contact with the inner arc of the pump casing. The high rotor fins are installed inside the center slot of the high rotor. The outside of the front shaft coupler has belt wheel attached. Compared with available technology, the present invention has compact and simple structure, no need of oil and water for the pump to operate and no influence of temperature and the pump can pump gas with water and steam and corrosive gas.
Description
Type of the present invention relates to a kind of special rotary-vane vacuum pump, is widely used in the vacuum pump of the industry such as vacuum distillation, crystallization, drying, evaporation, filtration and vacuum smelting, vacuum infiltration of departments such as chemical industry, medicine, food, light industry, grain at present.Be that reciprocating type, rotary sheet type, roots-type vacuum pump all essentially adopt that oil seal is lubricated, circulating water cooling and serviceability temperature must not surpass 40 ℃, can not take out band moisture content gas, corrosive gas and dust-containing airflow etc. use to receive limitation greatly.The cooling unit of the hermetic rotary vacuum pump of patent application 95120139, though its service condition is expanded to some extent, but still unresolved root problem.
Purpose of the present invention, be to provide a kind of be seal lubrication need not oil, cool off not water, the serviceability temperature wide ranges, can take out the special rotary-vane vacuum pump of band water vapour, band corrosive gas simultaneously.
For reaching this purpose, the present invention is fixed on a side of pump case inner chamber with cylindrical trough of belt high rotor by forward and backward shaft coupling and forward and backward end plate, and the external arc that makes high rotor between the inlet hole of pump case and exhaust port with it in the tangent and sealing of circular arc.The high rotor sheet is loaded in the high rotor central channel, and can radially slide in groove with the rotation of high rotor, and belt pulley also is equipped with in the outer end of preceding shaft coupling.Compare with prior art and to have structure and tightly play simple, in light weight, the height of layer and change in sheet and seal without oil lubrication in the rotation of pump case inner chamber, shell is without cooling water circulation, use and be not subjected to temperature limitation, and can extract gas such as band water vapour etc., be a kind ofly collect energy-conservation, water saving, environmental protection is the special rotary-vane vacuum pump of one.
Be described further below in conjunction with exemplary embodiments and accompanying drawing:
Fig. 1 is the principle assumption diagram of single-stage special rotary-vane vacuum pump,
Fig. 2 is that Figure 1A is to cuing open to view.
Fig. 3 is a twin-stage special rotary-vane vacuum pump principle assumption diagram,
Fig. 4 is that Fig. 3 B is to cross section view.
Number in the figure and title are as follows: 1-fastening foot 2-screw
1Shaft coupling 7-screw behind the 3-back shroud 4-bearing 5-oil seal washer 6-
28-seal ring 9-end plate 10-screw
3The solid muscle 12-screw of 11-
413-sucking pipe 14-radiating fin
115-pump case 16-high rotor sheet 17-wearing piece
118-spring 19-seal ring 20-radiating fin
2Wear-resisting of 21-
1Shaft coupling 24-high rotor 25-front shroud 26-belt pulley 27-exhaust port before the 22-front end-plate 23-
128-vent panel 29-screw
530-exhaust big envelope 31-outlet pipe 32-high vacuum chamber 33-inlet hole 34-wear rib
135-low rotor sheet 36-wearing piece
2Wear-resisting of 37-low rotor 38-dividing plate 39-air flue 40-low vacuum chamber 41-
2The 42-wear rib
2The 43-exhaust port
2
In Fig. 1 and Fig. 2, high rotor (24) is the cylindrical of middle trough of belt, is made up of two long pieces of not a half circle, and screw is passed through at its left and right two ends
2(7) connect and compose concentricity spline shaft with back shaft coupling (6) and preceding shaft coupling (23) respectively, both sides respectively are equipped with one wear-resisting in the groove
1(21), high rotor sheet (16) can be in groove two wear-resisting
1(21) radially be free to slide in the middle of.The other end of forward and backward shaft coupling (23,6) is equipped with bearing (4) and oil seal washer (5) respectively, and is admittedly in the eccentric inner hole of forward and backward end plate (22,9) by bearing (4).Forward and backward end plate (22,9) passes through screw again
3(10) be fixed on pump case (15) two ends, and make high rotor (24) when pump case (15) inner chamber one side is rotated, its external arc is at the exhaust port of pump case (15) inner chamber
1(27) and inlet hole (33) in the middle of with its in circular arc tangent.Belt pulley (26) is contained in the outer end of preceding shaft coupling (23).Forward and backward cover plate (25,3) passes through screw
1(2) be separately fixed at outside the eccentric opening of forward and backward end plate (22,9).Appropriate location, the outside at forward and backward end plate (22,9) is provided with radiating fin
2(20).
High rotor sheet (16) is rectangular plate shaped, has in the middle of four end limits and lays wearing piece
1(17) equal angles is equipped with the hole of laying spring (18) in the groove, groove.
Pump case (15) is a tubular shape, encloses the appropriate location at cylindrical and is provided with radiating fin
1(14) and solid muscle (11), under be equipped with many row's exhaust ports in axial direction the shell wall
1(27), at exhaust port
1The two ends of both sides (27) and pump case (15) are respectively equipped with four fastening foot (1); With exhaust port
1(27) parallel and also be equipped with many row's inlet holes (33) less than the right side of an angle of 90 degrees degree.Have the installation wear rib in the external arc of high rotor (24) and the tangent place of interior circular arc of pump case (15)
1(34) axial groove.
Be loaded on exhaust port
1The cross-section of the vent panel (27) (28) is isosceles " V " fonts, and both sides are equipped with exhaust port, and two ends is provided with shrouding, and the waist base is provided with the fixedly flange of usefulness.The cross-section of exhaust big envelope (30) also is isosceles " V " fonts, and its base angle has air vent, and the waist base also is provided with the fixedly flange of usefulness.Exhaust big envelope (30) is enclosed within on the vent panel (28), uses screw again
5(29), together be fixed on the exhaust port of pump case (15) by outlet pipe (31)
1(27) on.
Sucking pipe (13) passes through screw
4(12) be contained on the inlet hole (33) of pump case (15).
In Fig. 3 and Fig. 4, after pump case (15) and high rotor (24) prolonged, in the inner chamber appropriate location of pump case (15) and pass high rotor (24) and establish a dividing plate (38) and promptly constitute low vacuum chamber (40) and low rotor (37).Low rotor (37) radially has the groove of laying low rotor sheet (35) along center line, and the groove of laying high rotor sheet (16) of this groove and high rotor (24) is orthogonal, also is equipped with wear-resisting in the both sides of groove
2(41).High and low rotor (24,37) go up and and dividing plate (38) between be provided with the round groove that two seal rings (8) are installed, the round and tangent place of low rotor (37) cylindrical has axial installation wear rib pump case (15) in
2(42) groove is at the shell wall of pump case (15) and the exhaust port of high vacuum chamber (32)
1(27) opposite position also has exhaust port
2(43).Outlet pipe and vent panel and exhaust flange prolong shared by (31,28,30).Low rotor sheet (35) also is plate shaped, also has in the middle of the four end limits and lays wearing piece
2(36) equal angles is equipped with the hole of laying spring (18) in the groove, groove.
Dividing plate (38) is plate shaped for circle, has the circular hole that passes low rotor (37) at eccentric position, and makes the interior circular arc of the circular arc in this hole and pump case (15) tangent.Appropriate location on the outer nose circle of dividing plate (38) limit has air flue (39), and the suction port of this air flue (39) is opened the exhaust port in high vacuum chamber (32)
1(27) opposite position, air outlet are opened at low vacuum chamber (40) and are located and corresponding with the position of the inlet hole (33) of high vacuum chamber (32).
Other theory structure is with Fig. 1 and Fig. 2
In the theory structure of Fig. 1～4, pump case (15) and high and low rotor (24,37), high and low rotor sheet (16,35) and forward and backward end plate (22,9) all adopt aluminium and alloy material thereof to manufacture, and increase hard processing through the modification that electrochemistry or electrochemistry combine with physics.The outside of pump case (15) and forward and backward end plate (22,9) also can not carried out modification and be increased hard processing; Other parts are manufactured with ferrous material; When if pump is used to extract corrosive gas, the shell wall of pump case (15) can be made into double layer construction, promptly outer with aluminium and alloy thereof, the internal layer steel, and high and low rotor (24,37) and high and low rotor sheet (16,35) and forward and backward end plate (22,9) all can adopt ferrous material to manufacture, and, adopt electrochemistry or chemical method lining one deck is wear-resisting, non-corrosive metal (NCM) coating with after the ferrous material machining; Wearing piece
1(17), wear-resisting
1(21), wear rib
1(34), wearing piece
2(36), wear-resisting
2(41), wear rib
2(42) parts such as adopt that to mould with fluorine be tackiness agent, and the nonmetal sulphide of solid is that oiling agent and metallic oxide are that additive forms its combination back compacting; Exhaust big envelope (30) adopts fluorine rubber or nitrile rubber material to manufacture.
Theory structure of the present invention also can be used for gas compressor.
Working principle of the present invention is, driving belt pulley (26) by small belt pulley and belt behind the electrical power turns clockwise, and then drive high rotor (24) rotates along the direction of arrow, the high rotor sheet (16) that is contained in high rotor (24) groove rotates along circle sealing in the pump case (15), because high rotor (24) off-centre is contained in the inner chamber of pump case (15), and the interior circle of its outer ring and pump case (15) is tangent all the time and sealing, cause two " crescent moon " cavitys, one increases gradually and bleeds, another dwindles and exhaust gradually, the rotation that goes round and begins again, and constitute bleed vacuum pump or compression pump.
Claims (10)
1, a kind of special rotary-vane vacuum pump, it is characterized in that: a side that cylindrical trough of belt high rotor is fixed on the pump case inner chamber by forward and backward shaft coupling and forward and backward end plate, and the external arc that makes high rotor between the inlet hole of pump case and exhaust port with it in the tangent and sealing of circular arc, the high rotor sheet is loaded in the high rotor central channel, and can radially slide in groove with the rotation of high rotor, belt pulley also is equipped with in the outer end of preceding shaft coupling.
2, special rotary-vane vacuum pump according to claim 1 is characterized in that: high rotor (24) is made up of two long pieces of not a half circle, and screw is passed through at its left and right two ends
2(7) connect and compose concentricity spline shaft with forward and backward shaft coupling (23,6) respectively, both sides respectively are equipped with one wear-resisting in the groove
1(21), its diaxon the other end respectively is equipped with bearing (4) and oil seal washer (5), and is fixed on by bearing (4) in the eccentric inner hole of forward and backward end plate (22,9), and its two end plates is passed through screw again
3(10) be fixed on pump case (15) two ends.
3, special rotary-vane vacuum pump according to claim 1 is characterized in that: high and low rotor sheet (16,35) is plate shaped, has in the middle of four end limits and lays wearing piece
1,2Equal angles is equipped with the hole of laying spring (18) in the groove of (17,36), groove.
4, special rotary-vane vacuum pump according to claim 1 and 2 is characterized in that: pump case (15) is a tubular shape, encloses the appropriate location at cylindrical and is provided with radiating fin
1(14) and solid muscle (11), under be equipped with many row's exhaust ports in axial direction the shell wall
1,2(27,43) are respectively equipped with four fastening foot (1) in the both sides of exhaust port and the two ends of pump case (15), with exhaust port
1(27) parallel and also be equipped with many row's inlet holes (33),, have the installation wear rib at the external arc of high and low rotor (24,37) and the tangent place of interior circular arc of pump case (15) less than the right side of an angle of 90 degrees degree
1,2The groove of (34,42).
5, special rotary-vane vacuum pump according to claim 1, it is characterized in that: the cross-section of vent panel (28) is isosceles " V " fonts, both sides are equipped with exhaust port, two ends is provided with shrouding, the waist base is the fixing flange of usefulness not, and the cross-section of exhaust big envelope (30) also is isosceles " V " fonts, and its base angle has air vent, the waist base also is provided with the fixedly flange of usefulness, and adopts fluorine (fourth is fine) rubber to manufacture.
6, special rotary-vane vacuum pump according to claim 1 or 5 is characterized in that: exhaust big envelope (30) is enclosed within on the vent panel (28), uses screw again
5(29) together be fixed on the exhaust port of pump case (15) by outlet pipe (31)
1,
2On (27,43), sucking pipe (13) passes through screw
4(12) be contained on the inlet hole (33) of pump case (15).
7, special rotary-vane vacuum pump according to claim 1, it is characterized in that: pump case (15) and high and low rotor (24,37), high and low rotor sheet (16,35) and forward and backward end plate (22,9) all adopt aluminium and alloy material thereof to manufacture, and modification increases hard processing through electrochemistry (physics).
8, according to claim 1 or 7 described special rotary-vane vacuum pumps, it is characterized in that: pump case (15) also can be made into double layer construction, outer with aluminium and alloy thereof, the internal layer steel, and high and low rotor (24,37), high and low rotor sheet (16,35) and forward and backward end plate (22,9) all can adopt ferrous material to manufacture, and lining one deck is wear-resisting, non-corrosive metal (NCM) coating.
9, special rotary-vane vacuum pump according to claim 1, it is characterized in that: dividing plate (38) is plate shaped for circle, have the circular hole that passes low rotor (37) at eccentric position, and make the interior circular arc of the circular arc in this hole and pump case (15) tangent, appropriate location on the outer nose circle of dividing plate (38) limit has air flue (39), and the suction port of this air flue (39) is opened the exhaust port in high vacuum chamber (32)
1(27) opposite position, air outlet are opened at low vacuum chamber (40) and are located, and corresponding with the position of the inlet hole (33) of high vacuum chamber (32).
10, according to claim 1 or 2 or 3 described special rotary-vane vacuum pumps, it is characterized in that: wearing piece
1,2(17,36), wear-resisting
1,2(21,41), wear rib
1,2(34,42) adopt fluorine mould for tackiness agent, the nonmetal sulphide of solid be that oiling agent and metallic oxide are that additive forms its combination back compacting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01134329 CN1417479A (en) | 2001-10-31 | 2001-10-31 | Special rotary-vane vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01134329 CN1417479A (en) | 2001-10-31 | 2001-10-31 | Special rotary-vane vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1417479A true CN1417479A (en) | 2003-05-14 |
Family
ID=4672420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01134329 Pending CN1417479A (en) | 2001-10-31 | 2001-10-31 | Special rotary-vane vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1417479A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928923A (en) * | 2010-05-11 | 2010-12-29 | 赫得纳米科技(昆山)有限公司 | Vacuum sputtering coating equipment with vacuum pump protecting structure |
| CN102927009A (en) * | 2012-11-29 | 2013-02-13 | 张一健 | Low-noise roots vacuum pump |
| CN104612973A (en) * | 2015-03-02 | 2015-05-13 | 镇江博昊科技有限公司 | Dual vacuum air pump |
| CN109707628A (en) * | 2018-12-17 | 2019-05-03 | 陈鑫 | The aluminium alloy pump body structure of vacuum pump and the honing head processed for the pump housing |
-
2001
- 2001-10-31 CN CN 01134329 patent/CN1417479A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928923A (en) * | 2010-05-11 | 2010-12-29 | 赫得纳米科技(昆山)有限公司 | Vacuum sputtering coating equipment with vacuum pump protecting structure |
| CN101928923B (en) * | 2010-05-11 | 2012-06-27 | 赫得纳米科技(昆山)有限公司 | Vacuum sputtering coating equipment with vacuum pump protecting structure |
| CN102927009A (en) * | 2012-11-29 | 2013-02-13 | 张一健 | Low-noise roots vacuum pump |
| CN104612973A (en) * | 2015-03-02 | 2015-05-13 | 镇江博昊科技有限公司 | Dual vacuum air pump |
| CN109707628A (en) * | 2018-12-17 | 2019-05-03 | 陈鑫 | The aluminium alloy pump body structure of vacuum pump and the honing head processed for the pump housing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |