阅读说明：本技术 回转型叶片泵 (Rotary vane pump ) 是由 张龙兆 于 2018-07-04 设计创作，主要内容包括：本发明涉及一种叶片式转子泵及马达的技术领域。该回转型叶片泵,其特征包括内转子(2)、外转子(3)、叶片(4)、叶片内转子轴(5)、叶片外转子轴(6)、月牙形空腔(11)。叶片(4)径向两端各有一个叶片内转子轴(5)和叶片外转子轴(6),叶片内转子轴(5)嵌入在内转子轴孔内,叶片外转子轴(6)嵌入在外转子轴孔内。内转子(2)和外转子(3)、叶片(4)相互牵着转动,叶片(4)的打开是靠内、外转子轴孔牵动叶片内转子轴(5)、叶片外转子轴(6)实现。内转子(2)与外转子(3)形成平行轴,并形成月牙形空腔(11)。该发明具有叶片双端轴铰链、高转速、高密封、高效率、功率体积比大等优点。(The invention relates to the technical field of a vane type rotor pump and a motor. The rotary vane pump is characterized by comprising an inner rotor (2), an outer rotor (3), vanes (4), a vane inner rotor shaft (5), a vane outer rotor shaft (6) and a crescent cavity (11). The radial two ends of each blade (4) are respectively provided with a blade inner rotor shaft (5) and a blade outer rotor shaft (6), the blade inner rotor shaft (5) is embedded in the inner rotor shaft hole, and the blade outer rotor shaft (6) is embedded in the outer rotor shaft hole. The inner rotor (2), the outer rotor (3) and the blades (4) are mutually dragged to rotate, and the blades (4) are opened by dragging the inner rotor shaft (5) and the outer rotor shaft (6) of the blades through shaft holes of the inner rotor and the outer rotor. The inner rotor (2) and the outer rotor (3) form parallel shafts and form a crescent cavity (11). The invention has the advantages of blade double-end-shaft hinge, high rotating speed, high sealing, high efficiency, large power-volume ratio and the like.)

1. A rotary vane pump is composed of an inner rotor spindle hole (1), an inner rotor (2), an outer rotor (3), vanes (4), a vane inner rotor shaft (5), a vane outer rotor shaft (6), a stator (7), a ball bearing (8), a suction inlet (9), a discharge outlet (10) and a crescent cavity (11). The outer rotor (3) and the stator (7) coaxially rotate through a ball bearing (8), and the inner rotor (2) is rotatably connected with the shell through a shaft in the inner rotor main shaft hole (1). The inner rotor (2) and the outer rotor (3) form a parallel shaft form, a suction inlet (9) is formed in the outer rotor, a discharge outlet (10) is formed in the inner rotor, a vane inner rotor shaft (5) and a vane outer rotor shaft (6) are respectively arranged at the radial two ends of each vane (4), the vane inner rotor shaft (5) is embedded in a shaft hole of the inner rotor (2), and the vane outer rotor shaft (6) is embedded in a shaft hole of the outer rotor (3).

2. The rotary vane pump of claim 1, wherein the inner rotor (2) and the outer rotor (3) are in the form of parallel shafts, the inner rotor (2) is closely attached to the proximal side of the outer rotor (3) to form a sealing structure, the distal sides of the inner rotor (2) and the outer rotor (3) are deviated to form a crescent cavity (12), the crescent cavity (12) is provided with a suction port (9) on the side surface of the outer rotor (3), the side surface of the inner rotor (2) is provided with a discharge port (10), and the shape of the crescent cavity (12) and the circumferential relative position of the crescent cavity and the stator (7) are always kept unchanged when the inner rotor (2) rotates.

3. Rotary vane pump according to claim 1, wherein the vanes (4) have an inner vane rotor shaft (5) and an outer vane rotor shaft (6) at their respective radial ends.

4. The rotary vane pump of claim 1, wherein the vanes (4) are movably connected to the inner rotor (2) by the vane inner rotor shaft (5) being inserted into the axial hole of the inner rotor (2), and movably connected to the outer rotor (3) by the vane outer rotor shaft (6) being inserted into the axial hole of the outer rotor (3), when the inner rotor (2) rotates, the inner rotor (2) drives the outer rotor (3) to rotate together by the vanes (4), and likewise, the outer rotor (3) can drive the inner rotor (2) to rotate together by the vanes (4), and the vanes (4) can also drive the inner rotor (2) and the outer rotor (3) to rotate together.

5. Rotary vane pump according to claim 1, characterized in that the lobed inner rotor shaft (5) is embedded in the inner rotor (2) shaft bore and the lobed outer rotor shaft (6) is embedded in the outer rotor (3) shaft bore, both the shaft and the shaft bore being in rotational connection and radially sealing the divided crescent-shaped cavities (12).

6. Rotary vane pump according to claim 1, characterized in that when the vanes (4) are turned into the crescent-shaped cavity (12), which is the end of the inner rotor (2) remote from the outer rotor (3), the outer rotor shaft hole draws the vane outer rotor shaft (6) and the inner rotor shaft hole draws the vane inner rotor shaft (5), which opens the vanes (4), and the vanes (4) separate the crescent-shaped cavity (12) into two sealed cavities.

7. Rotary vane pump according to claim 1, characterized in that the inner rotor (2) is rotated clockwise by an external force, and the gas or liquid working medium is sucked in through the suction inlet (9) on the side of the outer rotor (3) and discharged through the discharge outlet (10) on the inner rotor (2); and when the pump rotates anticlockwise, gas or liquid working medium is sucked by a discharge port (10) on the side surface of the inner rotor (2) and is discharged by a suction port (9) on the side surface of the outer rotor (3), and the pump can work in two directions.

8. The rotary vane pump of claim 1, characterized in that when the pressure of the working medium at the suction port (9) on the side of the outer rotor (3) is greater than the pressure of the working medium at the discharge port (10) on the side of the inner rotor (2), the vanes (4) drive the inner rotor (2) and the outer rotor (3) to rotate clockwise; when the working medium pressure of an exhaust port (10) on the inner rotor (2) is greater than the working medium pressure of a suction port (9) on the side surface of the outer rotor left (3), the blades (4) drive the inner rotor (2) and the outer rotor (3) to rotate anticlockwise, and the motor can rotate in two directions.

9. Rotary vane pump according to claim 1, characterized in that a plurality of rotor pumps can be stacked coaxially in the axial direction on the axis of the inner rotor (2).