Split-type blade, fluid driving device and fluid driving proportional mixer

A split-type blade for serving as an accessory of a fluid driving device and converting a pressure energy of a fluid into a mechanical energy, comprising:

• a plurality of pushing rods, wherein the plurality of pushing rods are configured to be slidably disposed in a rotor of the fluid driving device along a radial direction;
• and
• two valve plates, wherein the two valve plates are respectively mounted on two end portions of the pushing rod in parallel, each of the two valve plates extends outwards along the pushing rod to form a split-type blade with a penetrating pushing rod structure, so that when the split-type blade drives the rotor to rotate under an effect of the fluid, each pushing rod of the split-type blade is slid along the radial direction of the rotor to ensure outer edge portions of the two valve plates abuts against an inner wall of a stator of the fluid driving device all long the inner wall of the stator;
• wherein the plurality of the pushing rods are evenly spaced, and two end portions of each of the plurality of pushing rods are respectively connected to inner edge portions of the two valve plates;
• wherein each of the two valve plates is provided with a matching groove in the inner edge portion, and each of the two end portions of each of the plurality of pushing rods is inserted in the matching groove of the two valve plates to rigidly or flexibly connect each of the plurality of pushing rods to the two valve plates;
• a reinforcing element, wherein the reinforcing element is correspondingly disposed on the two valve plates at a connection portion with the plurality of the pushing rods to reinforce a connection strength between the two valve plates and the plurality of the pushing rods;
• wherein the reinforcing element adopts a reinforced rib that is correspondingly disposed at a rear side of the matching groove of the two valve plates, and the reinforced rib extends from the inner edge portions of the two valve plates to the outer edge portions of the two valve plates.

A fluid driving device for partly converting a pressure energy of a fluid into a mechanical energy, comprising:

• at least one stator, wherein an inner chamber is provided in the at least one stator;
• at least one rotor, wherein the at least one rotor is rotatably provided in the corresponding inner chamber of the at least one stator;
• and
• at least two split-type blades, wherein the at least two split-type blades slidable in a radial direction are mounted in a corresponding one of the at least one rotor;
• and each of the at least two split-type blades comprises:
• a pushing rod, wherein the pushing rod is configured to be slidably disposed in the corresponding one of the at least one rotor of the fluid driving device along the radial direction;
• and
• two valve plates, wherein the two valve plates are respectively mounted on two end portions of the pushing rod in parallel, each of the two valve plates extends outwards along the pushing rod to form a split-type blade of the at least two split-type blades with a penetrating pushing rod structure, so that when the split-type blade drives the corresponding one of the at least one rotor to rotate under an effect of the fluid, the pushing rod of the at least two split-type blades is slid in the radial direction of the at least one rotor to ensure an outer edge portion of each of the two valve plates abuts against an inner wall of a corresponding one of the at least one stator of the fluid driving device all long the inner wall of the corresponding one of the at least one stator;
• wherein the at least one rotor is provided with at least two penetrating through holes, wherein each of the at least two penetrating through holes extends along the radial direction of the at least one rotor to penetrate the at least one rotor for being slidably mounted in the split-type blade;
• wherein each of the at least two penetrating through holes of the at least one rotor comprises a sliding hole and two retracting grooves, wherein the two retracting grooves are symmetrically provided on a periphery of the at least one rotor, the sliding hole extends from one retracting groove of the two retracting grooves to a second of the two retracting grooves, the pushing rod of the split-type blade is slidably mounted in the sliding hole of the at least one rotor, and each of the two valve plates is retractable mounted in the two retracting grooves of the at least one rotor.

A fluid driving device for partly converting a pressure energy of a fluid into a mechanical energy, comprising:

• at least one stator, wherein an inner chamber is provided in the at least one stator;
• at least one rotor, wherein the at least one rotor is rotatably provided in the corresponding inner chamber of the at least one stator;
• and
• at least two split-type blades, wherein the at least two split-type blades slidable in a radial direction are mounted in a corresponding one of the at least one rotor;
• and each of the at least two split-type blades comprises:
• a pushing rod, wherein the pushing rod is configured to be slidably disposed in the corresponding one of the at least one rotor of the fluid driving device along the radial direction;
• and
• two valve plates, wherein the two valve plates are respectively mounted on two end portions of the pushing rod in parallel, each of the two valve plates extends outwards along the pushing rod to form a split-type blade of the at least two split-type blades with a penetrating pushing rod structure, so that when the split-type blade drives the corresponding one of the at least one rotor to rotate under an effect of the fluid, the pushing rod of the at least two split-type blades is slid in the radial direction of the at least one rotor to ensure an outer edge portion of each of the two valve plates abuts against an inner wall of a corresponding one of the at least one stator of the fluid driving device all long the inner wall of the corresponding one of the at least one stator;
• wherein the at least one rotor is provided with a plurality of balance holes, each of the plurality of balance holes is positioned in the at least one rotor and is in communication with a bottom of a corresponding retracting groove, when at least one of the two valve plates of the split-type blade is slid to an inlet area and an outlet area of the at least one stator, the balance hole corresponding to the at least one of the two valve plates is configured to introduce the fluid in a retracting grooves to balance a pressure differential of the two valve plates along the radial direction.