CN202468303U - Single-cavity blade pump capable of obtaining combined compensation through flat springs and air bags - Google Patents
Single-cavity blade pump capable of obtaining combined compensation through flat springs and air bags Download PDFInfo
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- CN202468303U CN202468303U CN2011204946813U CN201120494681U CN202468303U CN 202468303 U CN202468303 U CN 202468303U CN 2011204946813 U CN2011204946813 U CN 2011204946813U CN 201120494681 U CN201120494681 U CN 201120494681U CN 202468303 U CN202468303 U CN 202468303U
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- enclosing cover
- blade
- main shaft
- face
- pump housing
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Abstract
The utility model discloses a single-cavity blade pump capable of obtaining a combined compensation through flat springs and air bags. The single-cavity blade pump comprises a main shaft drum, flat springs, ring air bags, an end face compensation disc, sliding blades, a front outer cover, end cover bolts, a pump body, and a back outer cover, wherein a rotary drum of the main shaft drum is at least provided with two blade slots, each blade slot is provided with one sliding blade, the end face compensation disc is arranged between the rotary drum and the front outer cover, an eccentric distance between the outer circle of the end face compensation disc and an eccentric hole of the compensation disc is T, one lateral surfaces of the ring air bags are arranged on a concave surface at the back of the compensation disc, the other lateral surfaces of the ring air bags are pressed on the inner lateral surface of the front outer cover, flat spring holes of the flat springs are fixed on sliding piece lug bosses of the sliding blades, and flat spring edges are supported on bottom planes of the blade slots. According to a radial bounce of the flat springs and the axial bounce of the ring air bags, a dynamic closed space formed by the sliding blades, the outer circle of the rotary drum and an inner hole of the pump body can be always in a combined compensation and sealing state.
Description
Technical field
The utility model belongs to mechanical engineering field, and International Classification of Patents is the F04D non-varactor pump, relate to a kind of with mechanical energy convert into fluid pressure can the transformation of energy rotary volume pump, be meant a kind of flat spring air bag combined compensation list chamber vane pump especially.
Background technique
Rotary volume pump has the high advantage of efficient, but all exists its efficient of long-time running wearing and tearing back obviously to reduce, and causes 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.
In all rotary volume pumps, vane pump is applied to each industry and commerce field because of plurality of advantages such as its compact structures by wide.Perplexing its problem that always can not get effectively solving is: behind the long-term high speed operation, must wearing and tearing of its end face can not get effective compensation.China's license notification number: CN1059019C pendulum rotary vane pump; China's license notification number: CN100374725C rotating vane pump; China's license notification number: the arc toothed mesohigh gear pump of CN1316162C asymmetric double; The sliding blade pump of China's license notification number: CN1081750C band plastic shell; China's license notification number: CN101120175B and China's license notification number: a CN101403382B gear pump for micro-miniature turbojet engine etc.; All do not see method and measure that practicable effective compensation is arranged, come to solve simultaneously the rotary volume pump end wear and replenish and the gauge wear compensation problem.
Summary of the invention
The purpose of the utility model provides a kind of flat spring air bag combined compensation list chamber vane pump; The technology that possesses end wear sealing compensation and gauge wear sealing compensation simultaneously; To realize being in the compensation sealing state all the time between hyperbaric chamber and the low pressure chamber; Remedy the deficiency of existing technology, fill up the technological gap that rotary volume 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 flat spring air bag combined compensation list chamber vane pump; Comprise main shaft drum, flat spring, annulus air bag, end-face compensate dish, sliding blade, front end enclosing cover, bolts, the pump housing, rear end enclosing cover; The both ends of the surface of the described pump housing are vertical each other with pump housing endoporus, all have three end cap screws on each end face at least, and front end enclosing cover that is stamped respectively on the both ends of the surface and rear end enclosing cover use bolts fastening respectively; The band seal groove bonnet hole of the band seal groove protecgulum hole of described front end enclosing cover and rear end enclosing cover is on the coaxial line, and the eccentric distance of band seal groove protecgulum hole and pump housing endoporus is T, and the eccentric distance of band seal groove bonnet hole and pump housing endoporus also is T; Have two blade flutings on the rotary drum of described main shaft drum at least; In every blade fluting a slice sliding blade is housed; The sheet spring perforate of flat spring is fixed on the slide plate boss of sliding blade, and sheet spring limit pin is supported on the bottom plane of blade fluting, and the slide plate outer rim is being pasted pump housing endoporus; Rotary drum is together with in the pump housing endoporus of sliding blade integral body between front end enclosing cover and rear end enclosing cover; The main shaft of main shaft drum has key section and band seal groove protecgulum hole to be slidingly matched; The main shaft of main shaft drum does not have the key section and is slidingly matched with band seal groove bonnet hole; As improvement: between described rotary drum and the front end enclosing cover end-face compensate dish is arranged; The eccentric distance of the cylindrical of described end-face compensate dish and compensating disc eccentric opening also is T; And the side that the annulus air bag is laid at compensating disc back of the body concave surface place; The another side of annulus air bag is pressed against the inboard face of front end enclosing cover, and the sheet spring perforate of described flat spring is fixed on the slide plate boss of sliding blade, and sheet spring limit pin is supported on the bottom plane of blade fluting.
As further improvement: the back side of described end-face compensate dish has an end of positioning hole and locating stud to be slidingly matched, and the other end of locating stud is fixedly connected with the inboard face of front end enclosing cover.
Structural principle:
External force is through the input of main shaft keyway; Drive the rotation of whole main shaft drum; Relatedly order about the sliding blade that each slip is inserted in the blade fluting and rotate synchronously; Rely on centrifugal force and the radially acting in conjunction of rebounding force of flat spring, make the slide plate outer rim of sliding blade be close to all the time on the pump housing endoporus, constitute the radial compensation sealing.
One sideslip sheet end face of sliding blade both sides is pasting the inboard face of rear end enclosing cover; Opposite side slide plate end face is pasting straight and even of end-face compensate dish; The annulus air bag of using compensating disc back of the body concave surface place is pressed against the axial rebounding force of the inboard face generation of front end enclosing cover, constitutes the nose balance sealing.
Constitute dynamic confined space with rotary drum cylindrical and pump housing endoporus between each sliding blade and be in the combined compensation sealing state all the time.
Each dynamic confined space progressively diminishes when being rotated in exhaust port one side, progressively becomes big when being rotated in suction port one side, goes round and begins again, realize continuously from suction port inhalant liquid body medium, after the supercharging from exhaust port drain medium.
The beneficial effect of the utility model is: rely on the radially rebounding force of flat spring and the axial rebounding force of annulus air bag; Realized possessing simultaneously the technology of end wear sealing compensation and gauge wear sealing compensation, guaranteed that constituting dynamic confined space with rotary drum cylindrical and pump housing endoporus between each sliding blade is in the combined compensation sealing state all the time.
Description of drawings
Fig. 1 is the sectional drawing of the utility model integral body through axis, and the N-N sectional view among Fig. 2;
Fig. 2 is the sectional drawing in P-P cross section among Fig. 1;
Fig. 3 is that Fig. 1 revolves the sectional drawing of integral body through axis after turning 90 degrees, and the M-M sectional view among Fig. 4;
Fig. 4 is the sectional view in Q-Q cross section among Fig. 3;
Fig. 5 is the stereogram of sliding blade 50 and flat spring 20 positions relation;
Fig. 6 is the stereogram of main shaft drum 10.
Embodiment
In conjunction with accompanying drawing and embodiment, further structure and the working principle to the utility model elaborates.
A kind of flat spring air bag combined compensation list chamber vane pump; Comprise main shaft drum 10, flat spring 20, annulus air bag 30, end-face compensate dish 40, sliding blade 50, front end enclosing cover 60, bolts 70, the pump housing 80, rear end enclosing cover 90; The both ends of the surface of the described pump housing 80 are vertical each other with pump housing endoporus 85; All have three end cap screws 87 on each end face at least, the front end enclosing cover 60 and the rear end enclosing cover 90 that are stamped respectively on the both ends of the surface use bolts 70 fastening respectively; The band seal groove protecgulum hole 61 of described front end enclosing cover 60 is on the coaxial line with the band seal groove bonnet hole 91 of rear end enclosing cover 90; Band seal groove protecgulum hole 61 is T with the eccentric distance of pump housing endoporus 85, and band seal groove bonnet hole 91 also is T with the eccentric distance of pump housing endoporus 85; Have two blade flutings 15 on the rotary drum 18 of described main shaft drum 10 at least; Every the blade fluting is equipped with a slice sliding blade 50 for 15 li; The sheet spring perforate 25 of flat spring 20 is fixed on the slide plate boss 55 of sliding blade 50; Sheet spring limit pin 21 is supported on the bottom plane of blade fluting 15, and slide plate outer rim 58 is being pasted pump housing endoporus 85; Rotary drum 18 is together with in the pump housing endoporus 85 of sliding blade 50 integral body between front end enclosing cover 60 and rear end enclosing cover 90; The main shaft of main shaft drum 10 has key section 11 and band seal groove protecgulum hole 61 to be slidingly matched; The main shaft of main shaft drum 10 does not have key section 13 and is slidingly matched with band seal groove bonnet hole 91; As improvement: between described rotary drum 18 and the front end enclosing cover 60 end-face compensate dish 40 is arranged; The eccentric distance of described end-face compensate dish 40 cylindricals and compensating disc eccentric opening 41 also is T; And the side that annulus air bag 30 is laid at compensating disc back of the body concave surface 44 places; The another side of annulus air bag 30 is pressed against the inboard face of front end enclosing cover 60, and the sheet spring perforate 25 of described flat spring 20 is fixed on the slide plate boss 55 of sliding blade 50, and sheet spring limit pin 21 is supported on the bottom plane of blade fluting 15.
As further improvement: the back side of described end-face compensate dish 40 has a positioning hole 42 and an end of locating stud 46 to be slidingly matched, and the other end of locating stud 46 is fixedly connected with the inboard face of front end enclosing cover 60.
Embodiment's installation steps and working procedure are following.
Installation steps:
In Fig. 1, Fig. 3, it is 2 that embodiment selects slide plate boss 55 numbers of every sliding blade 50; End cap screw 87 numbers of each side of the pump housing 80 are 4; There is compensating disc back of the body concave surface 44 at end-face compensate dish 40 back sides; 6 blade flutings 15 are arranged on the rotary drum 18.
Between the end face of rear end enclosing cover 90 and the pump housing 80 1 sides the pad put gasket seal 98, pass rear end cover step hole 97 with 4 bolts 70 after, rear end enclosing cover 90 is fixed on the end cap screw 87 of the pump housing 80 1 sides.At 15 li a slice sliding blades 50 of packing into successively of 6 blade flutings, the sheet spring perforate 25 of flat spring 20 is fixed on the slide plate boss 55 of sliding blade 50, and sheet spring limit pin 21 is supported on the bottom plane of blade fluting 15.Again with main shaft drum 10 and sliding blade 50 integral body
Be placed in the pump housing endoporus 85, wherein main shaft does not have key section 13 and penetrates in the band seal groove bonnet hole 91 and be slidingly matched.
With straight and even the slide plate end face 51 towards sliding blade 50 of end-face compensate dish 40, letting compensating disc eccentric opening 41 flip sleeves go into main shaft has key section 11.The back side of end-face compensate dish 40 has positioning hole 42 and locating stud 46 to be slidingly matched, and locating stud 46 is fixedly connected with front end enclosing cover 60, thereby end-face compensate dish 40 has key section 11 can only make axial slip with respect to main shaft.On compensating disc back of the body concave surface 44, put annulus air bag 30; Pad is put gasket seal 68 on the opposite side end face of the pump housing 80; Cover after front end enclosing cover 60 back passes front cover step hole 67 with 4 bolts 70; Front end enclosing cover 60 is fixed on the end cap screw 87 of the pump housing 80 opposite sides, makes the another side of annulus air bag 30 be pressed against the inboard face of front end enclosing cover 60.
The back side of end-face compensate dish 40 has a positioning hole 42 and an end of locating stud 46 to be slidingly matched, and the other end of locating stud 46 is fixedly connected with the inboard face of front end enclosing cover 60, thereby end-face compensate dish 40 has key section 11 can only make axial slip with respect to main shaft.
Between the end face of front end enclosing cover 60 and the pump housing 80 opposite sides the pad put gasket seal 68, pass rear end cover step hole 67 with 4 bolts 70 after, front end enclosing cover 60 is fixed on the end cap screw 87 of the pump housing 80 opposite sides.
There is preceding seal ring 16 at band 61 places, seal groove protecgulum hole, and there is back seal ring 19 at band 91 places, seal groove bonnet hole.
During the work operation:
In Fig. 2, Fig. 4; External force is through 12 inputs of main shaft keyway; Drive whole main shaft drum 10 rotations; Relatedly order about the sliding blade 50 that each slip is inserted in the blade fluting 15 and rotate synchronously, rely on centrifugal force and the radially acting in conjunction of rebounding force of flat spring 20, make the blade outer rim 58 of sliding blade 50 be close to formation radial compensation sealing state on the pump housing endoporus 85 all the time.
One sideslip sheet end face 51 of sliding blade 50 is affixed to the inboard face of rear end enclosing cover 90; Opposite side slide plate end face 51 is affixed to straight and even of end-face compensate dish 40; The inboard face that the annulus air bag 30 of using compensating disc back of the body concave surface 44 places is pressed against front end enclosing cover 60 produces axial rebounding force, constitutes the nose balance sealing.The both sides slide plate end face 51 of guaranteeing each sliding blade 50 all is in the compensation sealing state.
A, B, C, D, E and six dynamic confined spaces of F that six sliding blades 50 and rotary drum 18 cylindricals and pump housing endoporus 85 are constituted are in all the time and have the wear compensation sealing state.
Dynamic confined space A, dynamic confined space B and dynamic confined space C progressively diminish when being rotated in exhaust port 84 1 sides, progressively become big when dynamically confined space D, dynamic confined space E and dynamic confined space F are rotated in suction port 86 1 sides.Six dynamic confined spaces increase successively again and again and diminish again, realize continuously from suction port 86 inhalant liquid body mediums, after the supercharging from exhaust port 84 drain media.
Claims (2)
1. flat spring air bag combined compensation list chamber vane pump; Comprise main shaft drum (10), flat spring (20), annulus air bag (30), end-face compensate dish (40), sliding blade (50), front end enclosing cover (60), bolts (70), the pump housing (80), rear end enclosing cover (90); The both ends of the surface of the described pump housing (80) are vertical each other with pump housing endoporus (85); All have three end cap screws (87) on each end face at least, front end enclosing cover (60) that is stamped respectively on the both ends of the surface and rear end enclosing cover (90) use bolts (70) fastening respectively; The band seal groove protecgulum hole (61) of described front end enclosing cover (60) is on the coaxial line with the band seal groove bonnet hole (91) of rear end enclosing cover (90); Band seal groove protecgulum hole (61) is T with the eccentric distance of pump housing endoporus (85), and band seal groove bonnet hole (91) also is T with the eccentric distance of pump housing endoporus (85); Have two blade flutings (15) on the rotary drum (18) of described main shaft drum (10) at least; Every a slice sliding blade (50) is equipped with in blade fluting (15) lining; The sheet spring perforate (25) of flat spring (20) is fixed on the slide plate boss (55) of sliding blade (50); Sheet spring limit pin (21) is supported on the bottom plane of blade fluting (15), and slide plate outer rim (58) is being pasted pump housing endoporus (85); Rotary drum (18) is arranged in the pump housing endoporus (85) between front end enclosing cover (60) and the rear end enclosing cover (90) together with sliding blade (50) integral body; The main shaft of main shaft drum (10) has key section (11) and band seal groove protecgulum hole (61) to be slidingly matched; The main shaft of main shaft drum (10) does not have key section (13) and is slidingly matched with band seal groove bonnet hole (91); It is characterized in that: between described rotary drum (18) and the front end enclosing cover (60) end-face compensate dish (40) is arranged; The eccentric distance of described end-face compensate dish (40) cylindrical and compensating disc eccentric opening (41) also is T; And the side that compensating disc back of the body concave surface (44) locates to lay annulus air bag (30); The another side of annulus air bag (30) is pressed against the inboard face of front end enclosing cover (60), and the sheet spring perforate (25) of described flat spring (20) is fixed on the slide plate boss (55) of sliding blade (50), and sheet spring limit pin (21) is supported on the bottom plane of blade fluting (15).
2. a kind of flat spring air bag combined compensation list according to claim 1 chamber vane pump; It is characterized in that: the back side of described end-face compensate dish (40) has a positioning hole (42) and an end of locating stud (46) to be slidingly matched, and the other end of locating stud (46) is fixedly connected with the inboard face of front end enclosing cover (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204946813U CN202468303U (en) | 2011-11-23 | 2011-11-23 | Single-cavity blade pump capable of obtaining combined compensation through flat springs and air bags |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204946813U CN202468303U (en) | 2011-11-23 | 2011-11-23 | Single-cavity blade pump capable of obtaining combined compensation through flat springs and air bags |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468303U true CN202468303U (en) | 2012-10-03 |
Family
ID=46916464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204946813U Expired - Fee Related CN202468303U (en) | 2011-11-23 | 2011-11-23 | Single-cavity blade pump capable of obtaining combined compensation through flat springs and air bags |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005956A (en) * | 2014-05-30 | 2014-08-27 | 卞雨花 | Novel sliding plate pressing device of compressor |
-
2011
- 2011-11-23 CN CN2011204946813U patent/CN202468303U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005956A (en) * | 2014-05-30 | 2014-08-27 | 卞雨花 | Novel sliding plate pressing device of compressor |
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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: 20121003 Termination date: 20131123 |