CN101672275B - Swinging-bucket type rotor pump - Google Patents
Swinging-bucket type rotor pump Download PDFInfo
- Publication number
- CN101672275B CN101672275B CN2008102120464A CN200810212046A CN101672275B CN 101672275 B CN101672275 B CN 101672275B CN 2008102120464 A CN2008102120464 A CN 2008102120464A CN 200810212046 A CN200810212046 A CN 200810212046A CN 101672275 B CN101672275 B CN 101672275B
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- rotor
- pump
- arc surface
- bucket
- support arm
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Abstract
The invention provides a swinging-bucket type rotor pump. The swinging-bucket type rotor pump comprises a cylinder-shaped shell, a rotor, a crankshaft, a plurality of support arms and a plurality of swinging buckets, wherein the rotor is eccentrically positioned relatively to the axis of the cylinder-shaped shell and provided with a plurality of radial notches that divide the rotor into a plurality of parts, one end, which is arranged along the circumferential direction, of each part is a connecting end, and the other end is provided with a circular arc surface; the crankshaft comprises a first part and a second part, the first part is coaxial with the central shaft of the rotor and supported by the central shaft of the rotor, and the second part is coaxial with the cylinder-shaped shell; one end of the each support arm is pivotally connected with the second part fixing the crankshaft; and each swinging bucket is arranged on the notch of the corresponding rotor respectively, one end of the swinging bucket is pivotally connected with the connecting end of one part of the rotor, and the other end of the swinging bucket is pivotally connected with the other end of the corresponding support arm, the other end of the swinging bucket comprises two sections of circular arc surfaces which are mutually tangential, one section of circular arc surface is matched with the circular arc surface of the adjacent part, and the radius of the other section of circular arc surface is equal to the length difference of the internal diameter of the cylinder-shaped shell and the support arm.
Description
Technical field
The present invention relates to a kind of displacement fluid pump, especially a kind of swinging-bucket type rotor pump, its rotor does not directly contact with housing.
Background technique
Existing industrial pump mainly contains vane pump and displacement pump two big classes, and vane type oil pump can be divided into centrifugal pump, peripheral pump, mixed flow pump, axial-flow pump etc., and displacement pump also has reciprocating type and rotator type two big classes.The characteristics of vane pump are that flow is big and lift is relatively little, and the characteristics of displacement pump are that lift is big and flow is relatively little.And to produce the pump of high-lift big flow with smaller volume, also be difficult at present accomplish.
A kind of sliding vane pump is arranged in rotor-type pump, and the slide plate of this type of pump is unfixed, power direct driving rotor during rotation, and rotor drives slide plate again, and slide plate contacts with inner walls under built-in spring and action of centrifugal force and forms the hydraulic fluid chamber.Like this, when it turns round in the slow-speed of revolution, can not form high-liftly, use occasion is restricted; And rotating speed is when high, and the centrifugal force of slide plate is very big, and provides the reaction force balance this centrifugal force by inwall, makes that the interaction force between slide plate and the housing is just very big, and the wearing and tearing between the two are just very serious, and machine run is unreliable, and the life-span is short.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, provide a kind of and can produce high-lift relatively, big flow, reliable pump turns round.
Above-mentioned purpose realizes by following scheme: a kind of pump comprises: chamber and two ends that cylindrical outer casing, this cylindrical outer casing have a constant volume are separately installed with front cover and rear end cover; Rotor, this rotor with respect to the eccentric axis of cylindrical outer casing be positioned in the above-mentioned chamber, one end of centre of rotor axle extends to pass to receive from the power of outside from front cover to be imported and is supported by front cover by means of bearing, rotor has a plurality of radial slots, thereby rotor is divided into a plurality of parts, each part is a connecting end along a circumferential end, and the other end has arc surface; Fixed crankshaft, this fixed crankshaft maintains static moving in the operation process of pump and is divided into first portion and second portion, first portion is coaxial and supported by the centre of rotor axle by means of bearing with the centre of rotor axle, and second portion is coaxial and be fixed in rear end cover with cylindrical housing; A plurality of support arms, an end of each support arm is connected pivotly with the second portion of fixed crankshaft; A plurality of pendulum buckets, each pendulum bucket is installed in respectively in the respective rotor otch, and an end of each pendulum bucket is connected pivotly with the connecting end of a part of rotor, and the other end of each pendulum bucket is connected pivotly with the other end of a corresponding support arm; The other end of wherein said pendulum bucket comprises two sections tangent arc surfaces, wherein thereby one section arc surface cooperates the canned rotor otch with the arc surface of the adjacent portion of a described part of rotor, the radius of another section arc surface equals the poor of cylindrical housing internal diameter and arm length, thereby described another section arc surface is tangent with outer casing inner wall all the time during the assurance oscillating motion, like this, described a plurality of pendulum bucket is divided into a plurality of active chambers with the space between rotor and the shell.
In addition, described pump transverse to enclosure axis to direction on have entrance and exit.
When power was imported by rotor, the rotor rotation drove described a plurality of pendulum buckets, and drove described a plurality of support arm rotation.The volume of the active chamber that is made up of housing, rotor, pendulum bucket this moment just is among the continuous variation, forms suction in the ingress, the outlet port forms pressure, and fluid is just from the ingress suction, extrude from the outlet port.
Rotational speed and structural strength according to rotor pump of the present invention all are improved, and compare with other pump with volume, and lift and flow also significantly improve, and itself can be done the two-way pump use again.
Preferably, the quantity of described otch, support arm and pendulum bucket is three.
Preferably, above-mentioned all pivoted connections all realize by pivot pin.
Preferably, the arc surface of described adjacent portion is the center with described pivot pin.
Description of drawings
With reference to the accompanying drawings embodiments of the invention are elaborated, in the accompanying drawing
Fig. 1 is the partial cut-away perspective view of swinging-bucket type rotor pump according to an embodiment of the invention;
Fig. 2 is the axial schematic representation of swinging-bucket type rotor pump according to an embodiment of the invention, has shown the situation with minimum working chamber volume and maximum functional chamber volume respectively;
Fig. 3 is rotor and bent axle assembling view;
Fig. 4 is the perspective view of pendulum bucket;
Fig. 5 is the perspective view of support arm;
Fig. 6 is the perspective view of bent axle.
Embodiment
Be the exemplary embodiment according to a kind of swinging-bucket type rotor pump of the present invention shown in Fig. 1, it has cylindrical outer casing 15, this cylindrical outer casing has the chamber that is used to hold rotor 1. Front cover 13 and 14 and rear end cover 16 and 18 be contained in the both sides, front and back of shell 15 respectively vertically, be integral and by finger setting with bolton.
The external equipment of rotor pump such as motor, input device (as the axle coupling) and intake-outlet take over and with the equipment of rotor pump etc. be well known to those of ordinary skill in the art, so the descriptions thereof are omitted at this.
Continuation is referring to Fig. 1, and cylindrical rotor 1 is arranged in the chamber of cylindrical outer casing 15 prejudicially, and rotor 1 not with the inwall otch of the shell that defines described chamber.One end 1a of the central shaft of rotor 1 passes front cover 13,14 and stretches out accepting power from the power input device (not shown), and is bearing on the front cover 13,14 by bearing 2.
As shown in Figure 3, rotor is along circumferentially have otch 1c in the pre-position.For example, rotor shown in Figure 3 has otch in evenly spaced three positions that make progress in week, thereby rotor is divided into three parts.Each part is a connecting end along a circumferential end, and the other end has arc surface.Certainly, the quantity and the layout of otch are not limited thereto, but can according to circumstances suitably select.
Come back to Fig. 1, the pendulum bucket 12 (for example three) be arranged among the otch 1c of rotor 1.One end 12a of pendulum bucket 12 is connected with the connecting end of the part of rotor 1 by bearing pin 1.Pendulum bucket 12 can be around the described part rotation of bearing pin 19 with respect to rotor 1.
The 4a of first portion and the rotor coaxial of one bent axle 4, and utilize bearing 5 or other device to be bearing in the following manner on the centre of rotor axle, promptly bent axle 4 maintains static moving in the operation process of pump.The second portion 4b of bent axle 4 is coaxial with shell 15, and by fixedly end cap 17 and unshowned bearing are bearing on the rear end cover 16.
Incidentally, rear end cover 18 is a closed end cap for example, is used for a side relative with the rotor dynamic input side of closed casing.
One end of support arm 6,7,8 can be installed on the second portion 4b of fixed crankshaft 4 by bearing 9,10 with articulating, and in that axially outermost is fixing by retainer ring 11, prevents axial motion.The other end of support arm 6,7,8 is hinged pivotly with the other end 12b of pendulum bucket 12 by bearing pin 20.
Referring to Fig. 1-3, the other end 12b of pendulum bucket 12 has two sections tangent arc surfaces, wherein one section arc surface cooperates with the arc surface of the other end of the adjacent portion (described adjacent portion defines described otch with a described part) of the described part of rotor 1, thereby the otch 1c of canned rotor 1, the radius of curvature of another section arc surface equals length poor of the internal diameter of cylindrical outer casing 15 and support arm, thereby described another section arc surface is tangent with the internal face of shell 15 all the time during guaranteeing oscillating motion.Therefore, the bearing pin of the connection support arm the other end and the pendulum bucket the other end is positioned at the centre of curvature of described another section arc surface.
Fig. 3 is the perspective view of embodiment's rotor 1, and as can be seen from Figure, rotor for example can be formed by connecting with bolt by two entities, and this is the technological requirement in order to assemble.The connecting end of each part of rotor is provided with pin shaft hole (for example three), and the arc surface of the other end is the center with this pin shaft hole center.
Fig. 4 is the perspective view of embodiment's pendulum bucket 12.This pendulum bucket 12 has two groups of parallel pin shaft holes, wherein the pin shaft hole on the connecting end of the appropriate section of one group of pin shaft hole (for example two) and rotor 1 is hinged by bearing pin 19, and another group pin shaft hole (for example 5) is hinged by bearing pin with the pin shaft hole on the support arm 6,7,8.
Fig. 5 is the perspective view of three support arms of embodiment.The lower end circular hole matches with the second portion of fixed crankshaft by bearing, and the pin shaft hole of upper end is hinged by bearing pin and pendulum bucket.
Both can the design and installation bearing in the pin shaft hole on above-mentioned rotor 1, pendulum bucket 12 and the support arm 6,7,8 so that each bearing pin 19,20 is rolling friction, bearing pin 19,20 also can directly be installed and produce sliding friction.
Fig. 6 is the perspective view of embodiment's fixed crankshaft 4.The throw of eccentric that its two-part throw of eccentric forms when installing with rotor and housing equates fully.
Certainly the concrete pivot linkage structure between rotor, pendulum bucket and the support arm etc. also can be any other suitable structures, and this here no longer illustrates within those of ordinary skills' ability.
Below with reference to the axial schematic representation of Fig. 2 running according to rotor pump of the present invention is described.
When the power input, during rotor 1 rotation, under the connection of bearing pin 19, drive three groups and put 12 motions that struggle against, and pendulum bucket 12 three groups of support arms 6,7,8 of drive under the connection of bearing pin 20 rotate together, entire mechanism is got up with regard to action like this.Make the rotor sense of rotation for clockwise in this hypothesis power input earlier, also allow counterclockwise certainly.
Fig. 2 (A) shows that active chamber that the pendulum bucket, rotor 1 and the housing 15 that are connected by support arm 6,7 are formed is in the state of volume minimum, and promptly this active chamber just finishes draining by water outlet a, be in soon absorb water from water sucking mouth b in.At this moment, pendulum bucket that support arm 6 is connected and the joint of water outlet a have just been closed, and the joint of pendulum bucket that support arm 7 is connected and water sucking mouth b is about to open.When rotor 1 continues rotation, the volume of this active chamber will slowly increase, and water is inhaled into into.Continue rotation, working chamber volume constantly increases, and promptly this pump continues suction.When going to position shown in Fig. 2 (B), the active chamber that the pendulum bucket that support arm 6,7 is connected is formed then is in the volume maximum.At this moment, pendulum bucket that support arm 6 is connected and the joint of water sucking mouth b have just been closed, and the joint of pendulum bucket that support arm 7 is connected and water outlet a is about to open, and water will be discharged from from water outlet a.When rotor 1 continued rotation, the active chamber volume that support arm 6,7 is formed will constantly diminish, and until changing to minimum, gets back to the position of the volume minimum shown in Fig. 2 (A).Like this, in the one-period of rotor 1 rotation, finish to absorb water and the process of draining successively by three groups of pendulum bucket 12 three active chambers forming, finished the purpose of pump water.
From above-mentioned introduction as can be seen, embodiments of the invention rotor, support arm all are supported in the fixed position in the housing, guarantee its tolerance man-hour adding, just can be so that rotor and inner walls leave certain clearance (size in gap according to the function of pump, media type etc. different and do not wait), realized not contacting of rotor and housing, promptly do not have wearing and tearing, improved the working life of machine.And also because each parts is all fixed, and around center rotation separately, the dynamic change of its rotary inertia is also less, mechanism just can be in higher rotational speed, produces high relatively lift and flow.In addition in above-mentioned introduction, set turning to clockwise of pump, if set the turning to counterclockwise of pump, be that power is imported when reverse, each parts running respective opposed then, this moment, the water sucking mouth became water outlet, water outlet becomes the water sucking mouth, thereby this pump has just been realized the function of two-way pump water.
Though invention has been described with reference to embodiment, according to noted earlier, should be understood that, comprise in the above-mentioned explanation or accompanying drawing shown in all objects should be interpreted as illustrative and not restrictive; The present invention can have various remodeling and variant under the situation that does not break away from the scope of the present invention that is limited by appended claims.Therefore, be to be understood that variant and the remodeling that other are possible.
Claims (6)
1. pump, comprising: chamber and two ends that cylindrical outer casing, this cylindrical outer casing have a constant volume are separately installed with front cover and rear end cover; Rotor, this rotor with respect to the eccentric axis of cylindrical outer casing be positioned in the above-mentioned chamber, one end of centre of rotor axle extends to pass to receive from the power of outside from front cover to be imported and is supported by front cover by means of bearing, rotor has a plurality of radial slots, thereby rotor is divided into a plurality of parts, each part is a connecting end along a circumferential end, and the other end has arc surface; Fixed crankshaft, this fixed crankshaft maintains static moving in the operation process of pump and is divided into first portion and second portion, first portion is coaxial and supported by the centre of rotor axle by means of bearing with the centre of rotor axle, and second portion is coaxial and be fixed in rear end cover with cylindrical housing; A plurality of support arms, an end of each support arm is connected pivotly with the second portion of fixed crankshaft; A plurality of pendulum buckets, each pendulum bucket is installed in respectively in the respective rotor otch, and an end of each pendulum bucket is connected pivotly with the connecting end of a part of rotor, and the other end of each pendulum bucket is connected pivotly with the other end of a corresponding support arm; The other end of wherein said pendulum bucket comprises two sections tangent arc surfaces, wherein thereby one section arc surface cooperates the canned rotor otch with the arc surface of the adjacent portion of a described part of rotor, this adjacent portion and a described part define described otch, the radius of another section arc surface equals the poor of cylindrical housing internal diameter and arm length, thereby described another section arc surface is tangent with outer casing inner wall all the time during the assurance oscillating motion, like this, described a plurality of pendulum bucket is divided into a plurality of active chambers with the space between rotor and the shell.
2. according to the pump of claim 1, wherein, the quantity of described otch, support arm and pendulum bucket is three.
3. according to the pump of claim 1, wherein, an end of each pendulum bucket is connected by pivot pin with the connecting end of a described part of rotor.
4. according to the pump of claim 3, wherein, the arc surface of described adjacent portion is the center with described pivot pin.
5. according to the pump of claim 1, wherein, the other end of each pendulum bucket is connected by pivot pin with the other end of a corresponding support arm.
6. each pump in requiring according to aforesaid right, wherein, described pump transverse to enclosure axis to direction on have entrance and exit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102120464A CN101672275B (en) | 2008-09-12 | 2008-09-12 | Swinging-bucket type rotor pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102120464A CN101672275B (en) | 2008-09-12 | 2008-09-12 | Swinging-bucket type rotor pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101672275A CN101672275A (en) | 2010-03-17 |
| CN101672275B true CN101672275B (en) | 2011-07-06 |
Family
ID=42019637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102120464A Expired - Fee Related CN101672275B (en) | 2008-09-12 | 2008-09-12 | Swinging-bucket type rotor pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101672275B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536809B (en) * | 2011-12-12 | 2014-12-03 | 马燕翔 | Vane pump without stator wear, hydraulic motor and trailing suction slurry pump |
| CN110296074A (en) * | 2019-07-22 | 2019-10-01 | 杨啟波 | Low friction occlusion pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1645069A (en) * | 1927-01-15 | 1927-10-11 | Peterson & Nethaway | Rotary pump |
| CN1191275A (en) * | 1997-12-05 | 1998-08-26 | 王振忠 | Swing vane-type pump |
| CN1260859A (en) * | 1997-06-11 | 2000-07-19 | 德莱弗技术有限公司 | Rotary positive-displacement fluid machines |
-
2008
- 2008-09-12 CN CN2008102120464A patent/CN101672275B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1645069A (en) * | 1927-01-15 | 1927-10-11 | Peterson & Nethaway | Rotary pump |
| CN1260859A (en) * | 1997-06-11 | 2000-07-19 | 德莱弗技术有限公司 | Rotary positive-displacement fluid machines |
| CN1191275A (en) * | 1997-12-05 | 1998-08-26 | 王振忠 | Swing vane-type pump |
Non-Patent Citations (1)
| Title |
|---|
| JP昭60-111077A 1985.06.17 |
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| Publication number | Publication date |
|---|---|
| CN101672275A (en) | 2010-03-17 |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20190912 |