Impeller and power cavity structure of energy-saving water pump

Abstract

The utility model discloses an impeller and power cavity structure of an energy-saving water pump, which relates to the field of water pumps and comprises an impeller body, an arc-shaped surface is arranged at one end of the impeller body, a plurality of large blades and small blades are arranged on the outer side of the arc-shaped surface at equal intervals, the small blades and the large blades are alternately arranged, two pressure relief holes are formed in each large blade in a penetrating manner, and the pressure relief holes are communicated with the arc-shaped surface. Through the arrangement of the pressure reducing holes, part of liquid can naturally flow along with the vortex phenomenon after passing through the pressure reducing holes, the conveying efficiency of the liquid is guaranteed, meanwhile, the load of the large blades is reduced, then the load of the driving motor is reduced, and the service life of the driving motor is prolonged. And the liquid passing through the pressure reducing holes can be in contact with the small blades and the corresponding large blades to push the passing liquid, so that the load is reduced, and meanwhile, the conveying of the liquid is ensured.

Description

Technical Field

[0001] The utility model relates to the field of water pumps, in particular to an impeller and a power chamber structure of an energy-saving water pump. Background Art

[0002] The impeller of an energy-saving water pump is one of the core components of a water pump. Its main function is to drive the flow of liquid through the rotation of the blades, generate a certain pressure and flow rate, and thus lift the liquid from a low place to a high place. It is widely used in agriculture, urban water supply, industry, and shipping. The impeller of a water pump generally moves inside the power chamber, and the two are closely related.

[0003] When the impeller is in use, its blades generally transport liquid by rotating. However, the blades are generally set as curved metal plates to use the speed of the impeller to transport the liquid. However, in actual use, due to the setting of the water outlet, only a fixed amount of liquid can be discharged. The load of the blades during rotation is large, which affects the use of the motor.

[0004] Therefore, it is necessary to propose an impeller and power chamber structure of an energy-saving water pump to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an impeller and a power chamber structure of an energy-saving water pump, so as to solve the problem that the load on the blades is relatively large when rotating, which affects the use of the motor.

[0006] To achieve the above object, the utility model provides the following technical solutions: an impeller and power chamber structure of an energy-saving water pump, comprising an impeller body, one end of the impeller body is provided with an arc surface, a plurality of large blades and small blades are equidistantly provided outside the arc surface, and the small blades and large blades are arranged alternately;

[0007] Two pressure relief holes are formed through the large blade, and a conformal groove is formed at one end of the large blade and the small blade corresponding to the arc surface;

[0008] The large blades and the small blades are arranged in a wave shape.

[0009] The utility model also discloses a power chamber structure of an energy-saving water pump, comprising a water pump shell, a power chamber body is opened on the inner side of the water pump shell, a plurality of vortex grooves are opened on the inner side of the power chamber body, the vortex grooves are spirally arranged, a plurality of the vortex grooves are arranged in a circular array, and the inner diameter of the vortex grooves is gradually reduced.

[0010] Preferably, an end cover is provided on the outside of the water pump housing, a water inlet is provided at one end of the end cover, a water outlet is provided on the outside of the water pump housing, and the water outlet is connected to the power chamber body.

[0011] Preferably, an output rod is movably provided inside the power chamber body, and a driving key is fixedly provided outside the output rod.

[0012] Preferably, a driving motor is fixedly provided at one end of the water pump housing, and an output end of the driving motor is fixedly connected to one end of an output rod.

[0013] Preferably, a transmission hole is formed through one end of the impeller body, and the output rod and the drive key are cooperatively connected with the transmission hole.

[0014] Preferably, a mounting bracket is fixedly provided on the outer side of the water pump housing.

[0015] Technical effects and advantages of the utility model:

[0016] 1. Through the setting of the pressure reducing hole, a part of the liquid can flow naturally with the eddy current phenomenon after passing through the pressure reducing hole, thereby reducing the load of the large blades while ensuring the liquid delivery efficiency, thereby reducing the load of the driving motor, and the liquid passing through the pressure reducing hole will contact the small blades and the corresponding large blades to push the passing liquid, thereby ensuring the delivery of the liquid while reducing the load;

[0017] 2. Through the setting of the vortex groove, part of the liquid enters the vortex groove, and the liquid rotates in a spiral manner, which increases the centrifugal force of the liquid during flow. By increasing the centrifugal force, the flow rate and rotational force of the liquid are increased, the loss during the flow of the liquid is reduced, and the flow of the liquid is facilitated;

[0018] 3. By gradually reducing the inner diameter of the vortex groove, the force on the liquid can be increased when the liquid passes through the vortex groove, thereby increasing the flow rate of the liquid and further improving the fluidity of the liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the impeller structure of the utility model.

[0020] Figure 2 This is a schematic diagram of the structure of the water pump of the utility model.

[0021] Figure 3 This is a schematic diagram of the internal structure of the power chamber of the utility model.

[0022] Figure 4 This is a schematic diagram of the output rod structure of the utility model.

[0023] In the figure: 1. impeller body; 2. arc surface; 3. large blade; 301. pressure relief hole; 4. small blade; 5. conformal groove; 6. water pump housing; 7. power chamber body; 8. vortex groove; 9. end cover; 11. water inlet; 12. water outlet; 13. mounting frame; 14. drive motor; 15. output rod; 16. drive key; 17. transmission hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides Figure 1 - Figure 4 The impeller and power chamber structure of an energy-saving water pump shown in the figure include an impeller body 1. An arc surface 2 is provided at one end of the impeller body 1, and the arc surface 2 is used to facilitate the transportation of liquid. A plurality of large blades 3 and small blades 4 are equidistantly provided on the outside of the arc surface 2, and the small blades 4 and the large blades 3 are alternately arranged.

[0026] Through the small blades 4, the small blades 4 can suppress the separation of the airflow inside the cascade, reduce the secondary flow loss, thereby improving the performance and efficiency of the turbine, and the small blades 4 can control the diffusion of the airflow on the surface of the large blades 3, reduce the adverse pressure gradient on the suction surface of the large blades 3, and improve the ability of the airflow to resist separation, thereby suppressing the development of the large blade boundary layer and enhancing the flow capacity of the rotor;

[0027] Two pressure relief holes 301 are formed through the large blade 3 .

[0028] By setting the pressure reducing hole 301, a part of the liquid can flow naturally with the eddy current phenomenon after passing through the pressure reducing hole 301, thereby reducing the load of the large blade 3 while ensuring the liquid transportation efficiency, thereby reducing the load of the driving motor, and the liquid passing through the pressure reducing hole 301 will contact the small blade 4 and the corresponding large blade 3 to push the passing liquid, thereby ensuring the liquid transportation while reducing the load.

[0029] The large blades 3 and the small blades 4 are arranged in a wave shape.

[0030] A conforming groove 5 is provided at one end of the arc surface 2 corresponding to the large blade 3 and the small blade 4 . Through the setting of the conforming groove 5 , its shape follows the shape of the large blade 3 and the small blade 4 .

[0031] The utility model also discloses a power chamber structure of an energy-saving water pump, including a water pump shell 6, a power chamber body 7 is opened inside the water pump shell 6, a plurality of vortex grooves 8 are opened inside the power chamber body 7, the vortex grooves 8 are spirally arranged, and the plurality of vortex grooves 8 are arranged in a circular array, and the inner diameter of the vortex grooves 8 is gradually reduced. Through the arrangement of the vortex grooves 8, when the impeller rotates, the liquid driven by the impeller contacts the vortex grooves 8, and part of the liquid enters the vortex grooves 8. Through the shape of the vortex grooves 8, part of the liquid is spirally rotated when the liquid flows, so as to increase the centrifugal force of the liquid when it flows, and by increasing the centrifugal force, the flow rate and the rotational force of the liquid are increased, so as to facilitate the flow of the liquid.

[0032] By gradually reducing the inner diameter of the vortex groove 8, the force on the liquid can be increased when the liquid passes through the vortex groove 8, thereby increasing the flow rate of the liquid and further improving the fluidity of the liquid.

[0033] An end cover 9 is provided on the outside of the water pump housing 6 , and a water inlet 10 is provided at one end of the end cover 9 for pumping water. A water outlet 12 is provided on the outside of the water pump housing 6 for discharging water, and the water outlet 12 is connected to the power chamber body 7 .

[0034] A driving motor 14 is fixedly provided at one end of the water pump housing 6 , and an output end of the driving motor 14 is fixedly connected to one end of an output rod 15 . The output rod 15 is movably provided inside the power chamber body 7 , and a driving key 16 is fixedly provided outside the output rod 15 .

[0035] A transmission hole 17 is formed through one end of the impeller body 1, and the output rod 15 and the driving key 16 are connected with the transmission hole 17. The driving key 16 is used to drive the impeller body 1 to rotate. The driving key 16 is a prior art and will not be described in detail here.

[0036] A mounting bracket 13 is fixedly provided on the outer side of the water pump housing 6, and the water pump housing 6 is fixed by the mounting bracket 13, wherein the mounting bracket 13 is a prior art and will not be described in detail here.

[0037] Working principle: the operator turns on the driving motor 14, so that the driving motor 14 drives the output rod 15 to rotate, and then the output rod 15 drives the driving key 16 to rotate, and then the output rod 15 drives the impeller body 1 to rotate through the driving key 16, and then the impeller body 1 drives the large blades 3 and the small blades 4 to rotate, and then the liquid is transported, and then part of the liquid passes through the pressure reducing hole 301, so that it contacts the corresponding large blades 3 and small blades 4, so as to reduce the load of the impeller body 1;

[0038] The liquid is then driven by the impeller body 1 to rotate, so that the liquid contacts the vortex groove 8 to increase the flow force of the liquid and improve the extraction effect of the liquid.

Claims

1. An impeller for an energy-saving water pump, comprising an impeller body (1), characterized in that: One end of the impeller body (1) is provided with an arcuate surface (2), a plurality of large blades (3) and small blades (4) are equidistantly arranged outside the arcuate surface (2), and the small blades (4) and the large blades (3) are arranged alternately; The large blade (3) is provided with two pressure relief holes (301) extending therethrough, and one end of the large blade (3) and the small blade (4) corresponding to the arc-shaped surface (2) is provided with a conformal groove (5); The large blades (3) and the small blades (4) are arranged in a wave shape.

2. A power chamber structure, characterized in that: The impeller of the energy-saving water pump according to claim 1 comprises a water pump casing (6), a power chamber body (7) is provided on the inner side of the water pump casing (6), a plurality of vortex grooves (8) are provided on the inner side of the power chamber body (7), the vortex grooves (8) are arranged in a spiral, a plurality of the vortex grooves (8) are arranged in a circular array, and the inner diameter of the vortex groove (8) is gradually reduced.

3. A power chamber structure according to claim 2, characterized in that: An end cover (9) is provided on the outside of the water pump housing (6), a water inlet (10) is provided at one end of the end cover (9), and a water outlet (12) is provided on the outside of the water pump housing (6), and the water outlet (12) is connected to the power chamber body (7).

4. A power chamber structure according to claim 2, characterized in that: An output rod (15) is movably provided inside the power chamber body (7), and a driving key (16) is fixedly provided outside the output rod (15).

5. A power chamber structure according to claim 4, characterized in that: A driving motor (14) is fixedly mounted on one end of the water pump housing (6), and an output end of the driving motor (14) is fixedly connected to one end of an output rod (15).

6. A power chamber structure according to claim 4, characterized in that: A transmission hole (17) is formed through one end of the impeller body (1), and the output rod (15) and the driving key (16) are connected in cooperation with the transmission hole (17).

7. A power chamber structure according to claim 2, characterized in that: A mounting frame (13) is fixedly provided on the outer side of the water pump housing (6).

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