CN105114298A - Three-rotor displacement pump - Google Patents
Three-rotor displacement pump Download PDFInfo
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- CN105114298A CN105114298A CN201510584052.2A CN201510584052A CN105114298A CN 105114298 A CN105114298 A CN 105114298A CN 201510584052 A CN201510584052 A CN 201510584052A CN 105114298 A CN105114298 A CN 105114298A
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Abstract
The invention relates to the technical field of displacement pumps and particularly relates to a three-rotor displacement pump. The three-rotor displacement pump comprises a pump shell, wherein a main rotor, a first secondary rotor and a second secondary rotor are arranged in the pump shell; the first secondary rotor and the second secondary rotor are arranged at two sides of the main rotor and can be in contact with the main rotor all the time; the first secondary rotor and the second secondary rotor are in contact with the inner wall of the pump shell all the time in the rotation process; a first liquid inlet, a first liquid outlet, a second liquid inlet and a second liquid outlet are formed in the outer wall of the pump shell in sequence; the first liquid inlet and the first liquid outlet are formed in one side of the main rotor; the second liquid inlet and the second liquid outlet are formed in the other side of the main rotor; the first liquid inlet and the first liquid outlet are formed in two sides of the first secondary rotor respectively; the second liquid inlet and the second liquid outlet are formed in two sides of the second secondary rotor respectively. Through the three-rotor displacement pump, the liquid is sucked and discharged for four times by the pump when the main rotor rotates a circle; both the output flow and the working efficiency of the pump are improved.
Description
Technical field
The present invention relates to displacement pump technical field, especially relate to a kind of triple-spool displacement pump.
Background technique
Displacement pump refers to and utilizes the change of pumping cylinder internal volume to carry the pump of liquid, as reciprocating pump, rotor pump etc.
Reciprocating pump:
Reciprocating pump utilizes the to-and-fro motion of piston to carry the pump of liquid, and energy is directly transmitted liquid with the form of static energy by the to-and-fro motion by piston.Because liquid is incompressible, so when piston pressurization liquid, liquid can be made to bear very high pressure, thus obtain very high lift.
Rotor pump:
Rotor pump is made up of the rotor of static pump case and rotation, energy is directly acted on liquid with static pressure form by the side by the rotor in the pump housing and liquid comes into contact, and borrows the squeezing action of rotor to discharge liquid, simultaneously at opposite side slot milling, form low pressure, liquid is sucked continuously.Rotor pump head is higher, and flow is usually less, and discharge opeing is even, is applicable to transport viscosity high, has lubricity, but not solids-laden fluid.The type of rotor pump has gear pump, screw pump, sliding vane pump, and flexible-impeller pump, Roots pump, rotary piston pump etc., wherein, gear pump and screw pump are modal rotor pumps.
But, traditional displacement pump comprises pump case, a main rotor and a secondary rotor is provided with in pump case, pump case is provided with a water intake and a water outlet, pump case is divided into an admission chamber and one to go out sap cavity by main rotor and secondary rotor, main rotor rotates a circle, and pump is to outer liquid outlet holes twice, and the flow exported within the unit time is little, efficiency is low.
Summary of the invention
The object of the present invention is to provide a kind of triple-spool displacement pump, to solve the little technical problem of displacement pump flow of the prior art.
The invention provides a kind of triple-spool displacement pump, comprise pump case, main rotor, the first secondary rotor and the second secondary rotor is provided with in described pump case, described first secondary rotor and the second secondary rotor are positioned at the both sides of described main rotor and can contact with described main rotor all the time, described first secondary rotor and the second secondary rotor in the process rotated all the time with the contact internal walls of described pump case;
The outer wall of described pump case is provided with successively the first liquid entering hole, the first liquid outlet, the second liquid entering hole and the second liquid outlet; Wherein, described first liquid entering hole and the first liquid outlet are positioned at the side of described main rotor, and described second liquid entering hole and the second liquid outlet are positioned at the opposite side of described main rotor; Described first liquid entering hole and described first liquid outlet lay respectively at the both sides of described first secondary rotor; Described second liquid entering hole and described second liquid outlet lay respectively at the both sides of described second secondary rotor.
Further, described first secondary rotor and the second secondary rotor are symmetrical arranged about the rotation axis of described main rotor.
Further, described first liquid entering hole and the second liquid entering hole are symmetrical about the rotation axis of described main rotor.
Further, described first liquid outlet and the second liquid outlet are symmetrical about the rotation axis of described main rotor.
Further, described triple-spool displacement pump also comprises the first one-way valve and the second one-way valve, and described first one-way valve is communicated with described first liquid outlet; Described second one-way valve is communicated with described second liquid outlet, described first one-way valve and the outside of the second one-way valve for making liquid can only flow to this pump case from the inside of described pump case.
Further, also comprise the 3rd one-way valve and the 4th one-way valve, described 3rd one-way valve is communicated with described first liquid entering hole, and described 4th one-way valve is communicated with described second liquid entering hole, and described 3rd one-way valve and the 4th one-way valve are used for liquid can only be flowed in this pump case from described pump case.
Further, described pump case is also provided with the first suction port, described first suction port is arranged near described first liquid entering hole, with suction gas while enter in described pump case at liquid;
And/or
Described pump case is also provided with the second suction port, and described second suction port is arranged near described second liquid entering hole, with suction gas while enter in described pump case at liquid.
Further, two projections that described main rotor comprises main drive shaft and arranges about the axisymmetrical of this main drive shaft, the axis of described main drive shaft is the rotation axis of described main rotor;
Two the first grooves that described first secondary rotor comprises the first counter drive shaft and arranges about the axisymmetrical of this first counter drive shaft, the axis of described first counter drive shaft is the rotation axis of described first secondary rotor;
Two the second grooves that described second secondary rotor comprises the second counter drive shaft and arranges about the axisymmetrical of this second counter drive shaft, the axis of described second counter drive shaft is the rotation axis of described second secondary rotor.
Further, described first groove and described second groove are circular groove, and described projection is arc-shaped convex, and the radius of curvature of described circular groove is equal with the radius of curvature of described arc-shaped convex.
Further, described first groove and described second groove are circular groove, and described projection is T-shaped projection.
Triple-spool displacement pump provided by the invention, comprise main rotor, the first secondary rotor and the second secondary rotor totally three rotors, pump case is divided into two admission chambers and two to go out sap cavity by main rotor, the first secondary rotor and the second secondary rotor jointly, wherein, the side of main rotor and the first secondary rotor is the first admission chamber, and opposite side is first go out sap cavity; The side of main rotor and the second secondary rotor is the second admission chamber, and opposite side is second go out sap cavity.Main rotor rotates a circle, and pump sucks liquid four times, and four times are discharged liquid, improve the output flow of pump and the working efficiency of pump.In addition, the displacement pump in the present invention comprises main rotor, the first secondary rotor and the second secondary rotor totally three rotors, and the first secondary rotor and the public main rotor of the second secondary rotor, element usage is high, and cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The overall diagram of the triple-spool displacement pump that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the exploded view of Fig. 1;
A kind of phase diagram (having removed end cap) of the triple-spool displacement pump that Fig. 3 provides for the embodiment of the present invention;
The another kind of phase diagram (having removed end cap) of the triple-spool displacement pump that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the main rotor that Fig. 5 provides for the embodiment of the present invention, the first secondary rotor and the second secondary rotor;
The structural representation of the main rotor that Fig. 6 provides for another embodiment of the present invention;
Fig. 7 is the structural representation of main rotor in Fig. 6 and the first secondary rotor.
Reference character:
1-pump case; 2-main rotor;
The secondary rotor of 3-first; The secondary rotor of 4-second;
5-first one-way valve; 6-second one-way valve;
7-bearing; 8-bolt;
9-liquid inlet pipe; 10-drain pipe;
1a-first admission chamber; 1b-first goes out sap cavity;
1c-second admission chamber; 1d-second goes out sap cavity;
11-first liquid entering hole; 12-first liquid outlet;
13-second liquid entering hole; 14-second liquid outlet;
15-shell; 16-end cap;
21-main drive shaft; 22-is protruding;
23-master gear; 31-first counter drive shaft;
32-first groove; 33-first pinion;
41-second counter drive shaft; 42-second groove;
43-second width gear; 221-T shape is protruding;
222-breach.
Embodiment
Be clearly and completely described technological scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.Wherein, term " primary importance " and " second place " are two different positions.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
The overall diagram of the triple-spool displacement pump that Fig. 1 provides for the embodiment of the present invention; Fig. 2 is the exploded view of Fig. 1; A kind of phase diagram (having removed end cap 16) of the triple-spool displacement pump that Fig. 3 provides for the embodiment of the present invention; The another kind of phase diagram (having removed end cap 16) of the triple-spool displacement pump that Fig. 4 provides for the embodiment of the present invention.
As Figure 1-Figure 4, the invention provides a kind of triple-spool displacement pump, comprise pump case 1, main rotor 2, first secondary rotor 3 and the second secondary rotor 4 is provided with in pump case 1, first secondary rotor 3 and the second secondary rotor 4 are positioned at the both sides of main rotor 2 and can contact with main rotor 2 all the time, the first secondary rotor 3 and the second secondary rotor 4 in the process rotated all the time with the contact internal walls of pump case 1; The outer wall of pump case 1 is provided with successively the first liquid entering hole 11, first liquid outlet 12, second liquid entering hole 13 and the second liquid outlet 14; Wherein, the first liquid entering hole 11 and the first liquid outlet 12 are positioned at the side of main rotor 2, and the second liquid entering hole 13 and the second liquid outlet 14 are positioned at the opposite side of main rotor 2; First liquid entering hole 11 and the first liquid outlet 12 lay respectively at the both sides of the first secondary rotor 3; Second liquid entering hole 13 and the second liquid outlet 14 lay respectively at the both sides of the second secondary rotor 4.
Triple-spool displacement pump provided by the invention comprises main rotor 2, first secondary rotor 3 and the second secondary rotor 4 totally three rotors, the secondary rotor 3 of main rotor 2, first and the second secondary rotor 4 be common is divided into two admission chambers and two to go out sap cavity by pump case 1, wherein, the side of main rotor 2 and the first secondary rotor 3 is the first admission chamber 1a, and opposite side is first go out sap cavity 1b; The side of main rotor 2 and the second secondary rotor 4 is the second admission chamber 1c, and opposite side is second go out sap cavity 1d.Main rotor 2 rotates a circle, and pump sucks liquid four times, and four times are discharged liquid, improve the output flow of pump and the working efficiency of pump.In addition, the displacement pump in the present invention comprises main rotor 2, first secondary rotor 3 and the second secondary rotor 4 totally three rotors, and the first secondary rotor 3 and public main rotor 2 of the second secondary rotor 4, element usage is high, and cost is low.
Wherein, main rotor 2 rotates under the drive of drive unit, and the first secondary rotor 3 and the second secondary rotor 4 rotating in same direction, main rotor 2 and the first secondary rotor 3 rotate backward.
The present embodiment is the original state of this triple-spool displacement pump with state shown in Fig. 4, when this triple-spool displacement pump is started working, this pump sucks liquid from the first liquid entering hole 11 and the second liquid entering hole 13 respectively, along with main rotor 2, the rotation of the first secondary rotor 3 and the second secondary rotor 4, pump compressed liquid, when main rotor 2 is clockwise to position shown in Fig. 3, pump begins through the first liquid outlet 12 gradually and liquid is discharged by the second liquid outlet 14, when main rotor 2 turn clockwise about 180 ° time, pump starts again to suck liquid from the first liquid entering hole 11 and the second liquid entering hole 13, by the first liquid outlet 12 and the second liquid outlet 14, liquid is discharged afterwards.As can be seen here, pump rotates a circle, first liquid entering hole 11 and the second liquid entering hole 13 suck liquid equal twice, first liquid outlet 12 and the second liquid outlet 14 discharge liquid equal twice, that is, pump rotates a circle and sucks liquid totally four times, discharges liquid four times, the flow of visible pump expands one times, and the working efficiency of pump is also improved.
Preferably, as shown in Figure 3, the first secondary rotor 3 and the second secondary rotor 4 are symmetrical arranged about the rotation axis of main rotor 2.That is, not only Dimensions is identical for first secondary rotor 3 and the second secondary rotor 4, and positional symmetry, therefore, the volume that the first admission chamber 1a, first goes out sap cavity 1b, the second admission chamber 1c and second goes out sap cavity 1d tetra-chambeies is equal, in the process that pump rotates, the fluid flow that pump is discharged by the first liquid outlet 12 and the second liquid outlet 14 is equal, and the constant total quantity of liquid that pump is discharged at every turn, the working stability of pump, stable flow can be obtained, be conducive to the working life extending pump.In addition, it is equal that the first secondary rotor 3 and the second secondary rotor 4 are symmetrical arranged the active force also making the first secondary rotor 3 and the second secondary rotor 4 pairs of main rotors 2 apply, and main rotor 2 uniform force, slow-roll stabilization, the life-span is long.
Preferably, as shown in Figure 3, the first liquid entering hole 11 and the second liquid entering hole 13 are symmetrical about the rotation axis of main rotor 2.First liquid entering hole 11 and the second liquid entering hole 13 make about the rotation axis symmetry of main rotor 2, and while pump starts to suck liquid from the first liquid entering hole 11, the second liquid entering hole 13 also sucks liquid; While pump stops sucking liquid from the first liquid entering hole 11, the second liquid entering hole 13 also stops sucking liquid.When this symplex structure makes pump work, the work of the first liquid entering hole 11 and the second liquid entering hole 13 is synchronous, and convenient processing.
Preferably, as shown in Figure 3, the first liquid outlet 12 and the second liquid outlet 14 are symmetrical about the rotation axis of main rotor 2.First liquid outlet 12 and the second liquid outlet 14 make about the rotation axis symmetry of main rotor 2, and while pump starts to discharge liquid from the first liquid outlet 12, the second liquid outlet 14 also discharges liquid; While pump stops discharging liquid from the first liquid outlet 12, the second liquid outlet 14 also stops discharging liquid.When this symplex structure makes pump work, the work of the first liquid outlet 12 and the second liquid outlet 14 is synchronous, and convenient processing.
Further, as shown in Figure 4, triple-spool displacement pump also comprises the first one-way valve 5 and the second one-way valve 6, first one-way valve 5 is communicated with the first liquid outlet 12; Second one-way valve 6 is communicated with the second liquid outlet 14, the first one-way valve 5 and the outside of the second one-way valve 6 for making liquid can only flow to this pump case 1 from the inside of pump case 1.That is, the liquid in pump case 1 can only be discharged outside pump case 1 by the first liquid outlet 12 and the second liquid outlet 14, prevents the liquid outside pump case 1 from being entered in pump case 1 by the first liquid outlet 12 and the second liquid outlet 14, guarantees the normal work of this triple-spool displacement pump.
Further, triple-spool displacement pump also comprises the 3rd one-way valve and the 4th one-way valve (not shown), 3rd one-way valve is communicated with the first liquid entering hole 11,4th one-way valve is communicated with the second liquid entering hole 13, and the 3rd one-way valve and the 4th one-way valve are used for liquid can only be flowed in this pump case 1 from pump case 1.That is, the liquid outside pump case 1 can only be sucked in pump case 1 by the first liquid entering hole 11 and the second liquid entering hole 13, prevents the liquid in pump case 1 from being drained into outside pump case 1 by the first liquid entering hole 11 and the second liquid entering hole 13, guarantees the normal work of this triple-spool displacement pump.
Further, pump case 1 is also provided with the first suction port (not shown), the first suction port is arranged near the first liquid entering hole 11, with suction gas while enter in pump case 1 at liquid.
Further, pump case 1 is also provided with the second suction port (not shown), the second suction port is arranged near the second liquid entering hole 13, with suction gas while enter in pump case 1 at liquid.
The gas that first suction port and the second suction port suck can be air also can be other not with the gas (such as nitrogen) of the liquid reactions sucked.First suction port and the second suction port are arranged on pump case 1 outer wall, respectively near the first suction port and the second suction port.
Because liquid can not to compress and gas can compress, therefore this triple-spool displacement pump is while sucking liquid by the first liquid entering hole 11 and the second filler opening, gas is sucked by the first suction port and the second suction port, the low pressure area of mixture in pump case 1 of gas and liquid sucks, zone of high pressure in pump case 1 is compressed, compression " vapour-liquid " out mixes jet flow, substantially increases mechanical efficiency.When this triple-spool displacement pump uses as jet pump, " vapour-liquid " mixes jet flow, can produce larger thrust, thus improves the range of pump.In addition, after adding appropriate air, the resistance that this triple-spool displacement pump rotates reduces, faster rotational speed, and efficiency improves.
Wherein, the ratio of the gas (such as air) added can set as required, such as, add the air of 15%-40%, can increase the efficiency of 20%-35%.
Particularly, when the first liquid entering hole 11 of this triple-spool displacement pump and the upper surface of the second liquid entering hole 13 and liquid to be sucked are in sustained height, or time below the liquid level being positioned at liquid to be sucked, the self-suction of this triple-spool displacement pump is zero, can add maximum air.
When the first liquid entering hole 11 of this triple-spool displacement pump and the second liquid entering hole 13 are positioned at more than the liquid level of liquid to be sucked, then the first liquid entering hole 11 of this triple-spool displacement pump and the height difference between the second liquid entering hole 13 and the liquid level of liquid to be sucked larger, the liquid inlet pipe 9 of this triple-spool displacement pump is longer, self-suction is larger, then can add less air; Otherwise, the first liquid entering hole 11 of this triple-spool displacement pump and the height difference between the second liquid entering hole 13 and the liquid level of liquid to be sucked less, liquid inlet pipe 9 is shorter, and self-suction is less, then can add more air.
In addition, the first suction port can be connected suction tude with the second suction port, and the first end of suction tude is communicated with the inside of pump case 1, and the second end of suction tude is communicated with air.That is, the inside of air with pump case 1 is communicated with by suction tude.
Further, suction tude is provided with valve.Whether valve can control gas and enter in pump case 1, and when valve opening, the inside of air with pump case 1 is communicated with by suction tude, and it is inner that air can enter pump case 1; When the valve is closed, suction tude is by the internal insulation of air and pump case 1, and it is inner that air cannot enter pump case 1.Valve can be various applicable valves, such as mechanical valve, solenoid valve; Manually operated valve, self-acting valve; Flow control valve etc.
The ratio of the air added can be regulated by the cross-section area changing suction tude, also can be regulated by control valve.When valve is also for controlling the flow of the gas in suction tude, can be flow control valve or other can realize the valve of flow regulating function.
The structural representation of the secondary rotor 3 of main rotor 2, first that Fig. 5 provides for the embodiment of the present invention and the second secondary rotor 4, as shown in Figure 5, two projections 22 that main rotor 2 comprises main drive shaft 21 and arranges about the axisymmetrical of this main drive shaft 21, the axis of main drive shaft 21 is the rotation axis of main rotor 2; First secondary rotor 3 comprises the first counter drive shaft 31 and the axis of two the first groove 32, first counter drive shafts 31 that arranges about the axisymmetrical of this first counter drive shaft 31 is the rotation axis of the first secondary rotor 3; Second secondary rotor 4 comprises the second counter drive shaft 41 and the axis of two the second groove 42, second counter drive shafts 41 that arranges about the axisymmetrical of this second counter drive shaft 41 is the rotation axis of the second secondary rotor 4.Main rotor 2 rotates around the axis of main drive shaft 21, and the first secondary rotor 3 rotates around the axis of the first counter drive shaft 31, and the second secondary rotor 4 rotates around the axis of the second counter drive shaft 41.In the process that main rotor 2 rotates, the projection 22 on main rotor 2 can contact with the second groove 42 with the first groove 32.
Further, as shown in Figure 5, the first groove 32 and the second groove 42 are circular groove, and protruding 22 is arc-shaped convex 22, and the radius of curvature of circular groove is equal with the radius of curvature of arc-shaped convex 22.The present embodiment is convenient processing main rotor 2, second width rotor and the second width rotor not only, and arc-shaped convex 22 can with can relative smooth and easy cooperation between circular groove, to make main rotor 2, second width rotor and all smooth and easy rotation of the second width rotor, ensure the smooth and easy rotation of this triple-spool.
The structural representation of the main rotor 2 that Fig. 6 provides for another embodiment of the present invention; Fig. 7 is the structural representation of main rotor 2 in Fig. 6 and the first secondary rotor 3, and as shown in Figure 6 and Figure 7, the first groove 32 and the second groove 42 are circular groove, and protruding 22 is T-shaped projection 221.T-shaped projection 221 in the present embodiment is compared with upper embodiment's arc-shaped convex 22, what the arranged on left and right sides of cam was corresponding is provided with breach 222, the object arranging breach 222 is the weight alleviating cam, increase the volume of pump simultaneously, thus can suck and discharge more fluid, improve the flow of pump.
Further, the end cap 16 that the pump housing in the present embodiment comprises shell 15 and is connected with this shell 15, shell 15 and end cap 16 preferably removably connect mode, such as, connected by bolt 8.First liquid entering hole 11, first liquid outlet 12, second liquid entering hole 13 and the second liquid outlet 14 are all arranged on shell 15.
The two ends of main drive shaft 21, first counter drive shaft 31 and second driving shaft are all arranged with bearing 7, to reduce the frictional force in rotation process.
In addition, main rotary shaft is also connected with master gear 23, and the first counter drive shaft 31 and second driving shaft are connected to the first pinion 33 and the second pinion 43.Master gear 23 first pinion 33 and the second pinion 43 outer gearing respectively.Master gear 23, first pinion 33 and the second pinion 43 correspondence are set on master gear 23, first pinion 33 and the second pinion 43, master gear 23, first counter drive shaft 31 and second driving shaft are all arranged on outside pump case 1, and by being connected with pump case 1 with the bolt 8 at the center of the second pinion 43 through master gear 23, first pinion 33.
Master gear 23 can be connected with motor, motor drives master gear 23 to rotate, master gear 23 drives the first pinion 33 of engaging with it and the second pinion 43 to rotate, wherein, the rotation of master gear 23 drives main drive shaft 21 and protruding 22 to rotate successively, the rotation of the first pinion 33 drives the first counter drive shaft 31 to rotate, and the rotation that the second pinion 43 rotates drives the second counter drive shaft 41 to rotate.
In addition, as shown in Figure 4, the triple-spool displacement pump in the present embodiment also comprises liquid inlet pipe 9 and drain pipe 10, and liquid inlet pipe 9 is communicated with the second liquid entering hole 13 with the first liquid entering hole 11 respectively; Drain pipe 10 is communicated with the second liquid outlet 14 with the first liquid outlet 12 respectively; Liquid enters in pump case 1 by liquid inlet pipe 9, first liquid entering hole 11 and the second liquid entering hole 13, is then drained in drain pipe 10 by the first liquid outlet 12 and the second liquid outlet 14.
In order to seal cage, in the triple-spool displacement pump that the present embodiment provides, be equipped with oil sealing between pump case and each bearing, oil sealing is set on main drive shaft 21, first counter drive shaft 31 and the second counter drive shaft 41 respectively.Oil sealing is arranged between the side of the outer surface of pump case and the close pump case of bearing, and oil sealing can seal cage well, ensures that pump case is not revealed, this triple-spool displacement pump is operated well.
Last it is noted that above each embodiment is only in order to illustrate technological scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technological scheme.
Claims (10)
1. a triple-spool displacement pump, is characterized in that, comprises pump case,
Main rotor, the first secondary rotor and the second secondary rotor is provided with in described pump case, described first secondary rotor and the second secondary rotor are positioned at the both sides of described main rotor and can contact with described main rotor all the time, described first secondary rotor and the second secondary rotor in the process rotated all the time with the contact internal walls of described pump case;
The outer wall of described pump case is provided with successively the first liquid entering hole, the first liquid outlet, the second liquid entering hole and the second liquid outlet; Wherein, described first liquid entering hole and the first liquid outlet are positioned at the side of described main rotor, and described second liquid entering hole and the second liquid outlet are positioned at the opposite side of described main rotor; Described first liquid entering hole and described first liquid outlet lay respectively at the both sides of described first secondary rotor; Described second liquid entering hole and described second liquid outlet lay respectively at the both sides of described second secondary rotor.
2. triple-spool displacement pump according to claim 1, is characterized in that, described first secondary rotor and the second secondary rotor are symmetrical arranged about the rotation axis of described main rotor.
3. triple-spool displacement pump according to claim 2, is characterized in that, described first liquid entering hole and the second liquid entering hole are symmetrical about the rotation axis of described main rotor.
4. triple-spool displacement pump according to claim 3, is characterized in that, described first liquid outlet and the second liquid outlet are symmetrical about the rotation axis of described main rotor.
5. the triple-spool displacement pump according to any one of claim 1-4, is characterized in that, also comprises the first one-way valve and the second one-way valve, and described first one-way valve is communicated with described first liquid outlet; Described second one-way valve is communicated with described second liquid outlet, described first one-way valve and the outside of the second one-way valve for making liquid can only flow to this pump case from the inside of described pump case.
6. the triple-spool displacement pump according to any one of claim 1-4, it is characterized in that, also comprise the 3rd one-way valve and the 4th one-way valve, described 3rd one-way valve is communicated with described first liquid entering hole, described 4th one-way valve is communicated with described second liquid entering hole, and described 3rd one-way valve and the 4th one-way valve are used for liquid can only be flowed in this pump case from described pump case.
7. the triple-spool displacement pump according to any one of claim 1-4, is characterized in that, described pump case is also provided with the first suction port, and described first suction port is arranged near described first liquid entering hole, with suction gas while enter in described pump case at liquid;
And/or
Described pump case is also provided with the second suction port, and described second suction port is arranged near described second liquid entering hole, with suction gas while enter in described pump case at liquid.
8. the triple-spool displacement pump according to any one of claim 1-4, is characterized in that,
Two projections that described main rotor comprises main drive shaft and arranges about the axisymmetrical of this main drive shaft, the axis of described main drive shaft is the rotation axis of described main rotor;
Two the first grooves that described first secondary rotor comprises the first counter drive shaft and arranges about the axisymmetrical of this first counter drive shaft, the axis of described first counter drive shaft is the rotation axis of described first secondary rotor;
Two the second grooves that described second secondary rotor comprises the second counter drive shaft and arranges about the axisymmetrical of this second counter drive shaft, the axis of described second counter drive shaft is the rotation axis of described second secondary rotor.
9. triple-spool displacement pump according to claim 8, it is characterized in that, described first groove and described second groove are circular groove, and described projection is arc-shaped convex, and the radius of curvature of described circular groove is equal with the radius of curvature of described arc-shaped convex.
10. triple-spool displacement pump according to claim 8, is characterized in that, described first groove and described second groove are circular groove, and described projection is T-shaped projection.
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| CN201510584052.2A CN105114298A (en) | 2015-09-14 | 2015-09-14 | Three-rotor displacement pump |
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|---|---|---|---|
| CN201510584052.2A CN105114298A (en) | 2015-09-14 | 2015-09-14 | Three-rotor displacement pump |
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| CN105114298A true CN105114298A (en) | 2015-12-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545728A (en) * | 2016-02-18 | 2016-05-04 | 陈洪亮 | Two-cavity positive displacement pump |
| CN107989791A (en) * | 2018-01-06 | 2018-05-04 | 邓荣 | More rotor compression inhalation machines |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3951575A (en) * | 1972-07-10 | 1976-04-20 | Kabushiki Kaisha Komatsu Seisakusho | Controlled output gear pump and motor |
| EP0183422A2 (en) * | 1984-11-26 | 1986-06-04 | Borg-Warner Automotive, Inc. | Offset three-gear, two-system pump |
| CN101029641A (en) * | 2007-04-05 | 2007-09-05 | 刘爱诗 | Large-flow high-pressure pump |
| CN202867188U (en) * | 2012-10-28 | 2013-04-10 | 张意立 | Flanged external-thread cylindrical spring gear pump |
| CN204226184U (en) * | 2014-11-14 | 2015-03-25 | 阜新德尔汽车部件股份有限公司 | ATF pump |
| CN205064258U (en) * | 2015-09-14 | 2016-03-02 | 陈洪亮 | Triple -spool displacement pump |
-
2015
- 2015-09-14 CN CN201510584052.2A patent/CN105114298A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3951575A (en) * | 1972-07-10 | 1976-04-20 | Kabushiki Kaisha Komatsu Seisakusho | Controlled output gear pump and motor |
| EP0183422A2 (en) * | 1984-11-26 | 1986-06-04 | Borg-Warner Automotive, Inc. | Offset three-gear, two-system pump |
| CN101029641A (en) * | 2007-04-05 | 2007-09-05 | 刘爱诗 | Large-flow high-pressure pump |
| CN202867188U (en) * | 2012-10-28 | 2013-04-10 | 张意立 | Flanged external-thread cylindrical spring gear pump |
| CN204226184U (en) * | 2014-11-14 | 2015-03-25 | 阜新德尔汽车部件股份有限公司 | ATF pump |
| CN205064258U (en) * | 2015-09-14 | 2016-03-02 | 陈洪亮 | Triple -spool displacement pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545728A (en) * | 2016-02-18 | 2016-05-04 | 陈洪亮 | Two-cavity positive displacement pump |
| CN107989791A (en) * | 2018-01-06 | 2018-05-04 | 邓荣 | More rotor compression inhalation machines |
| CN107989791B (en) * | 2018-01-06 | 2024-03-26 | 邓荣 | Multi-rotor compression suction machine |
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Effective date of registration: 20160328 Address after: 100048, room two, building 6, building 17, North Hospital, three tiger Road South Road, Haidian District, Beijing, 204 Applicant after: Beijing MIIT LIAN Technology Co., Ltd. Address before: 100024 Beijing city Chaoyang District Changying wanxiangxintian District No. 231 Building 2 Room 401 Applicant before: Chen Hongliang |
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Application publication date: 20151202 |