CN202250811U - Spring compensating three-dimensional space rotor pump - Google Patents
Spring compensating three-dimensional space rotor pump Download PDFInfo
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- CN202250811U CN202250811U CN2011203882142U CN201120388214U CN202250811U CN 202250811 U CN202250811 U CN 202250811U CN 2011203882142 U CN2011203882142 U CN 2011203882142U CN 201120388214 U CN201120388214 U CN 201120388214U CN 202250811 U CN202250811 U CN 202250811U
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- eccentric
- rotor
- compensating disc
- central axis
- rotor shaft
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Abstract
The utility model relates to a spring compensating three-dimensional rotor pump which comprises a pump body, a rotor shaft and a slave rotor, wherein the rotor shaft is arranged on a central through hole of the pump body; the slave rotor is arranged on an eccentric semi-hole of the pump body; an eccentric end closure is arranged on the outer end surface of the eccentric semi-hole and is sealed and fixed by using at least three screws; the outer end surface of the slave rotor is attached to the positive flat surface of a compensating disc; a locating pin and a pagoda-shaped spring are arranged between the back of the compensating disc and the eccentric end closure; an eccentric distance between the central axis of the rotor shaft and the central axis of the slave rotor is t; three contact points are synchronously generated between three equal cambered surface working sections of the rotor shaft and four equal cambered surfaces of the slave rotor; and the rotor shaft and the slave rotor form three axial outspread sealing belts after passing the contact points; the three axial outspread sealing belts are combined with the bottom surface of the eccentric semi-hole and the positive flat surface of the compensating disc to form A, B and C dynamic spaces; and the pagoda-shaped spring is supported on a convex plate arranged at the inner side of the eccentric end closure and bears the supporting rebounding force generated by the back of the compensating disc, thereby ensuring the end surface sliding in the three dynamic spaces to be always in effective sealing.
Description
Technical field
The utility model belongs to mechanical engineering field, relate to a kind of with mechanical energy convert into fluid pressure can the transformation of energy displacement pump, be meant that especially a kind of spring compensates three Space Rotor pumps.
Background technique
Known displacement pump main structure form has: plunger pump, screw pump, Roots pump and sliding vane pump.Have the high advantage of efficient as displacement pump, but all exist its efficient of long-time running wearing and tearing back obviously to reduce, cause the main cause of above-mentioned defective to be that movable isolation of end face between hyperbaric chamber and the low pressure chamber fail to play effective sealing.The undersized easy heat expansion of end face fit tolerance is stuck firmly; The end face fit tolerance is oversize then fails to play effective sealing; And long-time running wearing and tearing back sealing effect is poorer, and the production line of having to stop is changed pumping unit, causes very big direct waste and indirect loss.
Summary of the invention
The purpose of the utility model provides a kind of spring and compensates three Space Rotor pumps; The technology that possesses end wear sealing compensation and gauge wear sealing compensation simultaneously; To realize being in good movable isolating seal state for a long time between hyperbaric chamber and the low pressure chamber; Remedy the deficiency of existing technology, fill up the technological gap that displacement pump possesses end wear sealing compensation and gauge wear sealing compensation simultaneously.To achieve these goals, the utility model provides following technological scheme:
A kind of spring compensates three Space Rotor pumps; Comprise the pump housing and be installed on rotor shaft and off-centre half hole that is installed in the pump housing on the central through bore of the pump housing from rotor; Eccentric half outer end of hole face has eccentric end cap next airtight fixing with at least three screw; Pasting the horizontal frontal plane of compensating disc from the exterior edge face of rotor, locating stud and pagoda shape spring are arranged between the back side of compensating disc and the eccentric end cap, described rotor shaft comprises three five equilibrium cambered surface active sections and does not have the keyway shaft part and the shaft with keyway section; The inner end of three five equilibrium cambered surface active sections is pasting bottom surface, eccentric half hole, and the exterior edge face of three five equilibrium cambered surface active sections is being pasted by the horizontal frontal plane of compensating disc; Comprise complete section of four five equilibrium cambered surfaces from rotor, the size equal uniform of the width of full section both ends of the surface and the both ends of the surface width of three five equilibrium cambered surface active sections; The central axis of described rotor shaft and from eccentric distance t between the centre of rotor axis; Three five equilibrium cambered surface active sections of rotor shaft and from three point of contact of synchronized generation between four five equilibrium cambered surfaces of rotor; Cross point of contact and form three axially extended sealing strips; In conjunction with the horizontal frontal plane of eccentric bottom surface, half hole and compensating disc, constitute A, B and three dynamic spaces of C; Be with " O " type ring recess in the central through bore on the described pump housing; Eccentric distance t between the central axis in the central axis of central through bore and eccentric half hole; A crescent shape suction inlet on the bottom surface, eccentric half hole is being communicated with import, and another crescent shape row mouth is being communicated with and exports; Eccentric distance t between the central axis of the central axis of the band on the described compensating disc " O " type ring recess through hole and band " O " type ring recess cylindrical; The outer ring that can hold pagoda shape spring in the back side re-entrant angle of compensating disc; The inner ring of pagoda shape spring is enclosed within on the inboard boss of eccentric end cap, and the eccentric positioning hole and the locating stud of compensating disc are slidingly matched.
The beneficial effect of the utility model is: the support rebounding force that is supported on the inboard boss of eccentric end cap by means of pagoda shape spring and is asking the back side of compensating disc to produce, the end face of guaranteeing three dynamic spaces slides and is in effective sealing all the time.Rotor shaft and from three axially extended sealing strips of rotor synchronized generation, constitute A, B and three dynamic spaces of C and possessed the gauge wear sealing compensation simultaneously, guarantee to be in for a long time between hyperbaric chamber and the low pressure chamber good movable isolating seal state.Possess in the time of end wear sealing compensation and gauge wear sealing compensation, realize being in good movable isolating seal state for a long time between hyperbaric chamber and the low pressure chamber.
Description of drawings
Fig. 1 is the sectional drawing of the utility model integral body through axis;
Fig. 2 is the sectional drawing in W-W cross section among Fig. 1;
Fig. 3 is the relative position relation of inner rotor shaft 1 with respect to three dynamic spaces of synchronized generation that are in operation from rotor 2;
Fig. 4 is with respect to Fig. 3, and rotor shaft 1 is around central axis O
2Be rotated counterclockwise 40 the degree, from rotor 2 around eccentric axis O
1Be rotated counterclockwise 30 the degree after relative position relation;
Fig. 5 is with respect to Fig. 3, and rotor shaft 1 is around central axis O
2Be rotated counterclockwise 80 the degree, from rotor 2 around eccentric axis O
1Be rotated counterclockwise 60 the degree after relative position relation;
Fig. 6 is with respect to Fig. 3, and rotor shaft 1 is around central axis O
2Be rotated counterclockwise 120 the degree, from rotor 2 around eccentric axis O
1Be rotated counterclockwise 90 the degree after relative position relation;
Fig. 7 is with respect to Fig. 3, and rotor shaft 1 is around central axis O
2Be rotated counterclockwise 180 the degree, from rotor 2 around eccentric axis O
1Be rotated counterclockwise 135 the degree after relative position relation;
Fig. 8 is with respect to Fig. 3, and rotor shaft 1 is around central axis O
2Be rotated counterclockwise 240 the degree, from rotor 2 around eccentric axis O
1Be rotated counterclockwise 180 the degree after relative position relation;
Fig. 9 is with respect to Fig. 3, and rotor shaft 1 is around central axis O
2Be rotated counterclockwise 360 the degree, from rotor 2 around eccentric axis O
1Be rotated counterclockwise 270 the degree after relative position relation;
Figure 10 is with respect to Fig. 3, and rotor shaft 1 is around central axis O
2Be rotated counterclockwise 480 the degree, from rotor 2 around eccentric axis O
1Be rotated counterclockwise 360 the degree after relative position relation.
Figure 11 is the perspective view of rotor shaft 1.
Figure 12 is a rotor shaft 1 and from the camberline construction drawing of rotor 2.
Embodiment
In conjunction with the accompanying drawings and embodiments, further the structure and the operation principle of the utility model elaborated.
A kind of spring compensates three Space Rotor pumps; Comprise the pump housing 4 and be installed on rotor shaft 1 and off-centre half hole 42 that is installed in the pump housing 4 on the central through bore 41 of the pump housing 4 from rotor 2; 42 exterior edge faces, eccentric half hole have the screw 8 of at least three of eccentric end cap 5 usefulness airtight fixing; Pasting the horizontal frontal plane of compensating disc 6 from the exterior edge face of rotor 2; Locating stud 7 and pagoda shape spring 9 are arranged between the back side of compensating disc 6 and the eccentric end cap 5; It is characterized in that: described rotor shaft 1 comprises three five equilibrium cambered surface active sections 13 and does not have keyway shaft part 11 and exterior edge face that the inner end of 12, three five equilibrium cambered surfaces of shaft with keyway section active section 13 is pasting bottom surface, eccentric half hole 40, three five equilibrium cambered surfaces active section 13 is being pasted by the horizontal frontal plane of compensating disc 6; Comprise complete section of four five equilibrium cambered surfaces from rotor 2, the size equal uniform of the width of full section both ends of the surface and the both ends of the surface width of three five equilibrium cambered surface active sections 13; The central axis of described rotor shaft 1 and from eccentric distance t between the central axis of rotor 2; Three five equilibrium cambered surface active sections of rotor shaft 1 and from three point of contact of synchronized generation between four five equilibrium cambered surfaces of rotor 2; Cross point of contact and form three axially extended sealing strips; Horizontal frontal plane in conjunction with bottom surface, eccentric half hole 40 and compensating disc 6 constitutes A, B and three dynamic spaces of C; Central through bore on the described pump housing 4 is with " O " type ring recess for 41 li; Eccentric distance t between the central axis in the central axis of central through bore 41 and eccentric half hole 42; A crescent shape suction inlet 47 on the bottom surface, eccentric half hole 40 is being communicated with import 46, and another crescent shape row mouthfuls 48 is being communicated with and exports 49; Eccentric distance t between the central axis of band " O " the type ring recess through hole 61 on the described compensating disc 6 and the central axis of band " O " type ring recess cylindrical 62; The outer ring that can hold pagoda shape spring 9 in the back side re-entrant angle of compensating disc 6; The inner ring of pagoda shape spring 9 is enclosed within on the inboard boss of eccentric end cap 5, and the eccentric positioning hole 67 and the locating stud 7 of compensating disc 6 are slidingly matched.
" O " type circle in all " O " type ring recess plays the motive sealing effect at position of living in.
Installation steps and working principle:
The shaft with keyway section 12 of rotor shaft 1 is 40 1 sides from bottom surface, off-centre half hole, pass central through bore 41 and are slidingly matched with it, and the inner end of three five equilibrium cambered surface active sections 13 is pasting bottom surface, eccentric half hole 40.Be placed in eccentric half hole 42 from rotor 2 and be slidingly matched, also pasting bottom surface, eccentric half hole 40, make the central axis O of rotor shaft 1 from the inner end of rotor 2
2With eccentric axis O from rotor 2
1Between eccentric distance t; Three five equilibrium cambered surface active sections 13 of rotor shaft 1 and from three point of contact of synchronized generation between four five equilibrium cambered surfaces of rotor 2; Cross point of contact and form three axially extended sealing strips; Horizontal frontal plane in conjunction with bottom surface, eccentric half hole 40 and compensating disc 6 constitutes A, B and three dynamic spaces of C.Even can guarantee that still three axially extended sealing strips form synchronously after using uniform wear for a long time, guarantee the radially effectively sealing all the time of three dynamic spaces;
The central axis O of the band on the compensating disc 6 " O " type ring recess through hole 61
2Eccentric axis O with band " O " type ring recess cylindrical 62
1Between eccentric distance t, the outer ring that can hold pagoda shape spring 9 in the back side re-entrant angle of compensating disc 6, the eccentric positioning hole 67 of compensating disc 6 is slidingly matched with locating stud 7.The horizontal frontal plane of compensating disc 6 inwardly, band " O " type ring recess through hole 61 is inserted in from no keyway shaft part 11 1 ends of rotor shaft 1 and is slidingly matched, band " O " type ring recess cylindrical 62 is slidingly matched with eccentric half hole 42.
Locating stud 7 is fastened on the eccentric end cap 5 inboard faces, and the inner ring of pagoda shape spring 9 is enclosed within on the inboard boss of eccentric end cap 5, and band " O " the type ring recess through hole 51 on the eccentric end cap 5 is inserted in from no keyway shaft part 11 1 ends of rotor shaft 1 and is slidingly matched.At least three screw 8 along the outer circular edge of eccentric end cap 5, on the outside end face with airtight off-centre half hole 42 that is fixed on the pump housing 4 of eccentric end cap 5 shimmings 54.
The back side of compensating disc 6 has positioning hole 67 and locating stud 7 to be slidingly matched, and locating stud 7 is fixedly connected with eccentric end cap 5, thereby compensating disc 6 can only be made axial slip with respect to eccentric end cap 5." O " type circle in all " O " type ring recess plays the motive sealing effect at position of living in.
During work, external force drives rotor shaft 1 rotation through shaft with keyway section 12, stirs then from rotor 2 rotations.From both rotating center deviation distances of rotor 2 and rotor shaft 1 is t; Three five equilibrium cambered surface active sections 13 of rotor shaft 1 and from three axially extended sealing strips of synchronized generation between four five equilibrium cambered surfaces of rotor 2; Horizontal frontal plane in conjunction with bottom surface, eccentric half hole 40 and compensating disc 6 constitutes A, B and three dynamic spaces of C.During rotation, A, B and three dynamic spaces of C along with rotation will become a big side gradually and be crescent shape suction inlet 47, lead to import 46; One side that will diminish gradually along with rotation of A, B and three dynamic spaces of C is a crescent shape row mouth 48, leads to outlet 49.Rotor shaft 1 continuously rotation order about A, B and three dynamic spaces of C go round and begin again accomplish inhale, row's work.
Borrow Figure 12 that rotor shaft 1 is described and from the camberline working process of rotor 2:
Setting-out X of elder generation and vertical with it line Y1 and line Y2, intersection point is respectively O
1, O
2, O
1With O
2Be 6mm at a distance of get eccentric distance t distance here for eccentric distance t.;
With O
1Be the center of circle, R1 is that radius is made basic circle R1.Here getting the R1 radius is 60mm;
An intersection point with basic circle R1 and line X is the center of circle, and R2 is that radius is made arc section R2, again with O
1Be the center of circle, with arc section R2 around O
1Quartering annular display.Here getting the R2 radius is 40mm;
The distance that is extended to R3 with the intersection point of arc section R2 and line X is the center of circle, is that the intersection point that radius is crossed arc section R2 and line X is made arc section R3 with R3, again with O
2Be the center of circle, with arc section R3 around O
2Trisection annular display.Here getting the R3 radius is 120mm;
Choose two arc section R3 and an arc section R2 respectively, the three-way tangent arc section R4 that does gets the R4 radius here and is approximately 4.7mm;
With R5 is that radius is made two adjacent arc section R2 of arc section R5 connection respectively, and the R5 radius is 32mm here.
Article three, arc section R4 alternately with three point of contact of four arc section R2 synchronized generation, cross point of contact and form three axially extended sealing strips, constitute A, B and three dynamic spaces of C.Even after using uniform wear for a long time, three point of contact of synchronized generation form three axially extended sealing strips can guarantee that still three axially extended sealing strips form synchronously, and that guarantees three dynamic spaces radially is in effective sealing all the time.
The both ends of the surface width of three five equilibrium cambered surface active sections 13 of rotor shaft 1 and size equal uniform from the both ends of the surface width of rotor 2; Here getting the both ends of the surface width all is 50mm; The inner end of two rotors is all pasting bottom surface, eccentric half hole 40, and the horizontal frontal plane of compensating disc 6 is pasting the exterior edge face of two rotors simultaneously.The support rebounding force that is supported on the inboard boss of eccentric end cap 5 by means of pagoda shape spring 9 and is asking the back side of compensating disc 6 to produce; The horizontal frontal plane of compensating disc 6 is close to the exterior edge face of two rotors all the time; Then force the inner end of two rotors also to be close to bottom surface, eccentric half hole 40, guarantee that the end face slip of three dynamic spaces is in effective sealing all the time.
Claims (1)
1. a spring compensates three Space Rotor pumps; Comprise the pump housing (4) and be installed in the rotor shaft (1) on the central through bore (41) of the pump housing (4) and be installed on off-centre half hole (42) of the pump housing (4) from rotor (2); Exterior edge face, eccentric half hole (42) has eccentric end cap (5) next airtight fixing with at least three screw (8); Pasting the horizontal frontal plane of compensating disc (6) from the exterior edge face of rotor (2); Locating stud (7) and pagoda shape spring (9) are arranged between the back side of compensating disc (6) and the eccentric end cap (5); It is characterized in that: described rotor shaft (1) comprises three five equilibrium cambered surface active sections (13) and do not have keyway shaft part (11) and shaft with keyway section (12), and the inner end of three five equilibrium cambered surface active sections (13) is pasting bottom surface, eccentric half hole (40), and the exterior edge face of three five equilibrium cambered surface active sections (13) is being pasted by the horizontal frontal plane of compensating disc (6); Comprise complete section of four five equilibrium cambered surfaces from rotor (2), the size equal uniform of the width of full section both ends of the surface and the both ends of the surface width of three five equilibrium cambered surface active sections (13); The central axis of described rotor shaft (1) and from eccentric distance t between the central axis of rotor (2); Three five equilibrium cambered surface active sections of rotor shaft (1) and from three point of contact of synchronized generation between four five equilibrium cambered surfaces of rotor (2); Cross point of contact and form three axially extended sealing strips; In conjunction with the horizontal frontal plane of bottom surface, eccentric half hole (40) and compensating disc (6), constitute A, B and three dynamic spaces of C; " O " type ring recess is with in central through bore (41) lining on the described pump housing (4); Eccentric distance t between the central axis in the central axis of central through bore (41) and eccentric half hole (42); Crescent shape suction inlet (47) on the eccentric bottom surface, half hole (40) is being communicated with import (46), and another crescent shape row mouthful (48) is being communicated with outlet (49); Eccentric distance t between the central axis of band " O " the type ring recess through hole (61) on the described compensating disc (6) and the central axis of band " O " type ring recess cylindrical (62); The outer ring that can hold pagoda shape spring (9) in the back side re-entrant angle of compensating disc (6); The inner ring of pagoda shape spring (9) is enclosed within on the inboard boss of eccentric end cap (5), and the eccentric positioning hole (67) of compensating disc (6) is slidingly matched with locating stud (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203882142U CN202250811U (en) | 2011-09-30 | 2011-09-30 | Spring compensating three-dimensional space rotor pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203882142U CN202250811U (en) | 2011-09-30 | 2011-09-30 | Spring compensating three-dimensional space rotor pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202250811U true CN202250811U (en) | 2012-05-30 |
Family
ID=46112063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203882142U Expired - Fee Related CN202250811U (en) | 2011-09-30 | 2011-09-30 | Spring compensating three-dimensional space rotor pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202250811U (en) |
-
2011
- 2011-09-30 CN CN2011203882142U patent/CN202250811U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20120930 |