CN201615056U - Rotor pump with high self-priming performance - Google Patents
Rotor pump with high self-priming performance Download PDFInfo
- Publication number
- CN201615056U CN201615056U CN2009203110046U CN200920311004U CN201615056U CN 201615056 U CN201615056 U CN 201615056U CN 2009203110046 U CN2009203110046 U CN 2009203110046U CN 200920311004 U CN200920311004 U CN 200920311004U CN 201615056 U CN201615056 U CN 201615056U
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- pump
- trochanter
- greater trochanter
- high self
- rotor pump
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Abstract
The utility model discloses a rotor pump with high self-priming performance. The rotor pump comprises a pump body and a fluid transmission mechanism located between an inlet and an outlet of the pump, wherein a greater trochanter is mounted on a large axle inside the pump body, and a plurality of rotary vanes capable of stretching and moving in the radial direction are arranged at the outer circumference of the greater trochanter; a lesser trochanter is arranged on a small axle meshed and driven with the large axle, and circular arc grooves used for meshing with the protruding rotary vanes capable of stretching and moving in the radial direction are formed at the outer circumference of the lesser trochanter; and the pump body is provided with a slipway zone, which is in sealed contact with at least two rotary vanes at the same time and is used for conveying the fluid at the inlet of the pump to the outlet of the pump through the slipway zone. By adopting the T-shaped rotary vanes capable of stretching and moving in the radial direction, and an end face sealing and radial sealing structure, the rotor pump well solves the problems of sealing, abrasion and efficiency of positive displacement pumps; the rotors adopt the mode of symmetrically circular cylindrical surface grooving, thereby having the advantages of simple structure, easy processing and good dynamic balance performance. Therefore, the rotor pump provided by the utility model has the advantages of high efficiency, strong self-priming capability, long service life, low manufacturing cost, wide medium application range and the like.
Description
Technical field
The utility model relates to a kind of positive displacement pump of FLUID TRANSPORTATION, relates in particular to a kind of rotor pump of high self-priming performance.
Background technique
At present, pump of a great variety divided blade type pump and positive displacement pump by working principle and structure.As centrifugal pump, peripheral pump, axial-flow pump and mixed flow pump, belong to vane type oil pump, be characterized in: simple in structure, cost is low, volume is little, light weight, installation and maintenance are convenient, be applicable to the low viscosity fluid conveying, but generally there is not suction capacity, even also there is poor, the bulky deficiency of suction capacity in self-priming centrifugal pump.As reciprocating pump, belong to positive displacement pump, characteristics are: suction capacity is strong, but have that volumetric efficiency is low, complex structure, vibration is big, volume is big, the high deficiency of cost.Belong to displacement pump as gear pump, screw pump, Roots pump etc., characteristics are: mechanical efficiency and volumetric efficiency height, fluid pulsation is little, operational noise is little, suction capacity is stronger.But because its molded lines of rotor accuracy of manufacturing requires height, in use, be difficult to the long-term very high running precision that guarantees, be restricted working life; Owing to have the gap between rotor, generally be used for high viscosity liquid and carry, suction capacity is poor when being used for the conveying of low-viscosity (mobile) liquid such as gasoline, volumetric efficiency is low.Sliding vane pump belongs to positive displacement pump, and the slide plate of sliding vane pump contacts with the motion that pump housing inner chamber can keep not having radial clearance, has integrated abrasion compensation, and it is strong therefore to have suction capacity, the volumetric efficiency advantages of higher.But because the rotor of sliding vane pump is done eccentric rotation, unbalanced force is big during rotation, and bearing life is limited; Slide plate is done radially accelerated motion, the bump pump housing, and noise is big, and is easy to wear, influences the sliding vane pump life-span.Chinese patent: pump with half-round cam rotor (CN86105874A), pump with bottle gourd-shaped rotor (CN1300905A), slide block rotor pumps (CN1693707A) etc. belong to positive displacement pump, adopt rotor and radially slide sealing configuration, and it is strong to have suction capacity, the volumetric efficiency advantages of higher, but have rotor and pump housing inner-cavity structure complexity, difficulty of processing is big, the manufacture cost height, it is easy to wear to radially slide sealing, shortcoming such as is restricted working life.
The model utility content
The purpose of this utility model is to provide a kind of high self-priming performance rotor pump, problems such as the unbalanced force of the radial and axial sealing of solution positive displacement pump, rotor eccentricity rotation and rotor structure complexity, thus suction capacity and working life improved, reduce volume, reduce cost, raise the efficiency.
For reaching this purpose, high self-priming performance rotor pump of the present utility model, comprise the pump housing, macro-axis, greater trochanter, little axle, lesser trochanter and safety valve etc., become the fluid delivery mechanism between described pump inlet and the outlet, described fluid delivery mechanism comprises: macro-axis, be installed in the described pump housing, which is provided with greater trochanter, on described trochiterian outer peripheral surface, be provided with a plurality of blades that move radially; Little axle, with the macro-axis engagement driving, described little axle is provided with lesser trochanter, and described trochantinian outer peripheral surface and described trochiterian outer peripheral surface are tangent, and described trochantinian circumferential surface is provided with for the arc groove that protrudes in the outer blade engagement of described greater trochanter circumferential surface; Wherein, have the slideway district that contacts with at least two blade sealings simultaneously in the described pump housing, be used for the fluid of described pump inlet is transported to described pump discharge through described slideway district.
High self-priming performance rotor pump of the present utility model, comprise the pump housing and the fluid delivery mechanism between described pump inlet and outlet, it is characterized in that be provided with the blade of a plurality of T shape structures on described trochiterian outer peripheral surface, blade can move radially in trochiterian T-slot.The blade base communicates with pump inlet.Be provided with the radial seal piece that can move radially on the lesser trochanter outer peripheral surface, the radial seal piece simultaneously is provided with spring, and communicates with pump inlet, and another side and trochantinian outer circumferential face match.Greater trochanter and trochantinian both ends of the surface are respectively equipped with can axially movable end face seal pad, and the end face seal pad simultaneously is provided with spring, and communicates with pump inlet, and another side contacts with the greater trochanter end face, seals.
High self-priming performance rotor pump of the present utility model is characterized in that, described blade, radial seal piece, end face seal pad, and before finishing the self-priming task, sealing contact friction face separately closely contacts, and plays seal action.Behind the one push start pump, the self-priming time of pump is shorter, is generally several seconds, and sealing surface wear is little.Finish the self-priming task, and after pump discharge is set up pressure minimum, entering long-time normal operation, this moment, sealing contact friction face separately all left certain distance under the effect of pump inlet outlet pressure differential, did not have the friction operation, thereby sealing surface do not have wearing and tearing, the mechanical efficiency height, and seal durability is long.
High self-priming performance rotor pump of the present utility model, trochiterian radial seal is main sealing, adopt T shape blade structure, greater trochanter and lesser trochanter axial seal, and high abrasion resisting material is adopted in the lesser trochanter radial seal, as silicon carbide or carbon graphite, and adopt movably wear automatic-compensation structure, long service life; Greater trochanter and lesser trochanter adopt cylndrical surface symmetrical grooving structure, and processing and fabricating is easy, and dynamic balance performance is good.Therefore high self-priming performance rotor pump of the present utility model has advantages such as efficient height, suction capacity are strong, long service life, low cost of manufacture.Be not only applicable to the transfer of highly viscous fluid,, and be applicable to the conveying low viscosity fluid,, have the wide characteristics of medium Applicable scope as water, diesel oil, kerosene, gasoline as crude oil, lubricant oil, fuel wet goods.
Be noted that the description and the following detailed description all are exemplary, being intended to provides further instruction to desired the utility model.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage, below with reference to accompanying drawings, other purpose of the present utility model, feature and effect is described in further detail.
Description of drawings
Constitute this specification a part, be used for further understanding accompanying drawing of the present utility model and show preferred embodiment and be used for illustrating principle of the present utility model with explanation.In the accompanying drawing:
Fig. 1 is the high self-priming performance rotor pump radial section figure according to the utility model preferred embodiment;
Fig. 2 is the schematic representation according to the simplification of high self-priming performance rotor pump shown in Figure 1, and it shows residing engaging position between greater trochanter and the lesser trochanter;
Fig. 3 is the schematic representation according to the simplification of high self-priming performance rotor pump shown in Figure 1, and it shows residing disengaged orientation between greater trochanter and the lesser trochanter;
Fig. 4 is the axial section of high self-priming performance rotor pump shown in Figure 1.
Embodiment
Below describe preferred embodiment of the present utility model in detail.In the accompanying drawings, identical parts are represented with same label.
In the employed term of the utility model " blade ", its shape should rationally determine that for example it is a T shape structure in the utility model preferred embodiment according to its role in the utility model.In describing hereinafter, though used " greatly " and " little " to describe some part, for example, macro-axis, greater trochanter, little axle, lesser trochanter, yet convenience just in order to describe, its real diameter concerns definite by actual demand.
Fig. 1 is the high self-priming performance rotor pump radial section figure according to the utility model preferred embodiment, as shown in the figure, the high self-priming performance rotor pump according to the utility model preferred embodiment mainly comprises the pump housing 1, is arranged in greater trochanter 2 and the lesser trochanter 4 and the safety valve 7 of the pump housing 1 inner chamber.Wherein, be evenly equipped with four blades 3 on the excircle of greater trochanter 2, symmetry has two arc grooves 501 on the trochantinian external peripheral surface, as can be seen, has a groove 501 and blade 3 to mesh together.In addition, radial seal piece 5 is installed above lesser trochanter 4, it is close to lesser trochanter 4 under the elastic force effect of spring 6, play the radial seal effect.Sealing block 5 adopts high abrasion resisting material, as silicon carbide or carbon graphite, long service life.
Fig. 2 shows residing engaging position between trochiterian blade and the trochantinian groove, as shown in the figure, the pump housing 1 comprise fluid input 101 and outlet 102, with the path 10 3, with fluid output identical path 10 4 of fluid input to connection, and between fluid input and fluid output, the inwall of the pump housing forms slideway district 105, wherein, and the slideway district 105 arc length long enoughs of the described pump housing, so that can contact simultaneously, thereby form effective FLUID TRANSPORTATION space with plural blade 3.
Fig. 3 shows residing disengaged orientation between greater trochanter and the lesser trochanter, as shown in the figure, when trochiterian blade 3 turns over position shown in Figure 2, greater trochanter external peripheral surface and trochantinian external peripheral surface contact, contact gap between them is very little, thereby makes that fluid is difficult for therefrom leaking.Greater trochanter and lesser trochanter rotate with specific velocity ratio, make between greater trochanter and the lesser trochanter it is not groove 501 and blade 3 engagements, be exactly that greater trochanter external peripheral surface and trochantinian external peripheral surface are tangent, thereby no matter when can both form the sealing contact between greater trochanter and the lesser trochanter, not influence relatively rotating between the large and small rotor simultaneously again.
Fig. 4 is the axial section of high self-priming performance rotor pump shown in Figure 1, and as shown in the figure, greater trochanter 2 is contained on the macro-axis 15 by key 17, and with usual technological means axially locating, for example, in this example, greater trochanter is by the shaft shoulder and nut 18 location.Lesser trochanter 4 is contained on the little axle 14 by key 13, uses usual technological means axially locating.Blade 16 is installed in the trochiterian T type groove.Be provided with left end seal (not marking reference number) on the left side of the pump housing, be provided with right-hand member seal (not marking reference number) on the right, macro-axis is by being installed on big bearing 22 supportings in the left and right end seal, little axle is by being installed on little bearing 9 supportings in the left and right end seal, and a side at the left end seal, on the little axle small gear 24 is installed, gearwheel 23 is installed on the macro-axis, large and small gear is intermeshing, corresponding with four blades and two grooves, velocity ratio is 1: 2, and promptly greater trochanter circles, and lesser trochanter changeed for two weeks.In the left side of left end seal is left end cap (not marking reference number), is right end cap (not marking reference number) on the right side of right-hand member seal, and macro-axis stretches out from right end cap, is used to connect power input device, for example motor etc.For preventing to leak, in right end cap, also be provided with lip seal.
Be provided with greater trochanter end face seal pad 19 in trochiterian both sides, be provided with lesser trochanter end face seal pad 12 in trochantinian both sides, greater trochanter end face seal pad 19 is sleeved on the macro-axis, lesser trochanter end face seal pad 12 is sleeved on the little axle, play the effect of end face seal respectively, greater trochanter sealing gasket and lesser trochanter sealing gasket are the cap shape, are pressed on greater trochanter and trochantinian two end faces with pressure spring 20,11 respectively.Two ends at large and small axle also are respectively equipped with axially extended big shaft sealing 21 and little shaft sealing 10, in case the fluid stopping body is to pump housing external leakage.Above-mentioned large and small rotor end-face sealing gasket 19,12 adopts high abrasion resisting material, as silicon carbide or carbon graphite, long service life.
As can be seen, in according to the pump housing of the present utility model, macro-axis drives greater trochanter and gearwheel rotates from top description, by gear transmission, small gear, little axle and lesser trochanter is rotated.The annular space that pump inner chamber, blade, greater trochanter and lesser trochanter surround changes from small to big in pump inlet place along with rotation, sucks fluid, at the pump discharge place from large to small, discharges fluid, realizes the purpose of conveyance fluid.When system pressure was excessive, safety valve was opened release, played the safety protection effect.
In above preferred embodiment, comprise a plurality of features of the prior art that are different from, yet, those skilled in the art are after reading this specification, be readily appreciated that these features can be respectively or be applied to other embodiment of the present utility model and other occasion in combination, and be not limited only in the preferred embodiment of the present utility model.
According to high self-priming performance rotor pump of the present utility model, described blade, radial seal piece, end face seal pad, before finishing the self-priming task, sealing contact friction face separately closely contacts, and plays seal action.Finish the self-priming task, and after pump discharge was set up pressure minimum, under the effect of pump inlet outlet pressure differential, sealing contact friction face separately all leaves certain distance, do not have the friction operation, reached the suction capacity that both improves pump, improve the purpose of reliability and efficient again.Rotor adopts cylndrical surface symmetrical grooving mode, simple in structure, easy processing, dynamic balance performance are good, therefore high self-priming performance rotor pump of the present utility model, advantage such as have that efficient height, suction capacity are strong, long service life, low cost of manufacture, medium Applicable scope are wide.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. one kind high self-priming performance rotor pump, comprise the pump housing, macro-axis, greater trochanter, little axle, lesser trochanter and safety valve etc., become the fluid delivery mechanism between described pump inlet and the outlet, it is characterized in that: on described trochiterian outer peripheral surface, be provided with the blade that a plurality of expandables move; On the lesser trochanter outer peripheral surface, be provided with the sealing block that can move radially; Little axle, with the macro-axis engagement driving, described little axle is provided with lesser trochanter, and described trochantinian outer peripheral surface and described trochiterian outer peripheral surface are tangent, and described trochantinian circumferential surface is provided with for the arc groove that protrudes in the outer blade engagement of described greater trochanter circumferential surface; Wherein, have the slideway district that contacts with at least two blades sealings simultaneously on the described pump housing, thereby, be used for the fluid of described pump inlet is transported to described pump discharge through described slideway district; Greater trochanter and trochantinian both ends of the surface are respectively equipped with greater trochanter end face seal pad and lesser trochanter end face seal pad.
2. high self-priming performance rotor pump according to claim 1 is characterized in that described blade is a T shape structure, and blade can move radially in trochiterian T-slot.
3. high self-priming performance rotor pump according to claim 1 is characterized in that described lesser trochanter radial seal piece simultaneously is provided with spring, and another side is close to described lesser trochanter.
4. high self-priming performance rotor pump according to claim 1, it is characterized in that the axial seal that described greater trochanter and lesser trochanter end face are provided with, comprising can axially movable end face seal pad, and the end face seal pad simultaneously is provided with pressure spring, another side contacts with the greater trochanter end face, seals.
5. according to each described high self-priming performance rotor pump in the claim 1 to 4, it is characterized in that the sealing contact friction face of described blade, radial seal piece, end face seal pad can closely contact, also can all leave certain distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203110046U CN201615056U (en) | 2009-09-22 | 2009-09-22 | Rotor pump with high self-priming performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203110046U CN201615056U (en) | 2009-09-22 | 2009-09-22 | Rotor pump with high self-priming performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201615056U true CN201615056U (en) | 2010-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203110046U Expired - Fee Related CN201615056U (en) | 2009-09-22 | 2009-09-22 | Rotor pump with high self-priming performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201615056U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400881A (en) * | 2011-11-07 | 2012-04-04 | 郑州飞机装备有限责任公司 | Transmission mechanism for swinging disc compressor |
| CN103671088A (en) * | 2013-12-24 | 2014-03-26 | 烟台恒邦泵业有限公司 | Cam rotor pump for conveying high-viscosity medium |
| CN104343681A (en) * | 2014-10-21 | 2015-02-11 | 宜兴市宙斯泵业有限公司 | Axisymmetrical curved surface rotary variable capacity pump |
| CN108980011A (en) * | 2018-08-15 | 2018-12-11 | 山东大学 | A kind of positive displacement pump volume variation structure and working method |
| CN109966577A (en) * | 2019-03-28 | 2019-07-05 | 云大信 | A kind of haemodialysis/filtering device and its implementation |
| CN109966578A (en) * | 2019-03-28 | 2019-07-05 | 云大信 | A kind of card slot pump balance feed flow liquid mixing system and balance feed flow match liquid method |
| CN110005606A (en) * | 2019-03-28 | 2019-07-12 | 云大信 | A kind of card slot pump installation and flow rate adjusting method |
-
2009
- 2009-09-22 CN CN2009203110046U patent/CN201615056U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400881A (en) * | 2011-11-07 | 2012-04-04 | 郑州飞机装备有限责任公司 | Transmission mechanism for swinging disc compressor |
| CN103671088A (en) * | 2013-12-24 | 2014-03-26 | 烟台恒邦泵业有限公司 | Cam rotor pump for conveying high-viscosity medium |
| CN104343681A (en) * | 2014-10-21 | 2015-02-11 | 宜兴市宙斯泵业有限公司 | Axisymmetrical curved surface rotary variable capacity pump |
| CN108980011A (en) * | 2018-08-15 | 2018-12-11 | 山东大学 | A kind of positive displacement pump volume variation structure and working method |
| CN108980011B (en) * | 2018-08-15 | 2024-03-08 | 山东大学 | Volume change structure for volumetric pump and working method |
| CN109966577A (en) * | 2019-03-28 | 2019-07-05 | 云大信 | A kind of haemodialysis/filtering device and its implementation |
| CN109966578A (en) * | 2019-03-28 | 2019-07-05 | 云大信 | A kind of card slot pump balance feed flow liquid mixing system and balance feed flow match liquid method |
| CN110005606A (en) * | 2019-03-28 | 2019-07-12 | 云大信 | A kind of card slot pump installation and flow rate adjusting method |
| CN109966577B (en) * | 2019-03-28 | 2023-09-08 | 云大信 | Hemodialysis/filtration device and implementation method thereof |
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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: 20101027 Termination date: 20110922 |