High-strength water pump impeller

Abstract

The utility model provides a high-strength water pump impeller which comprises a lower wheel disc, lower blades, an upper wheel disc and upper blades, one sides of the lower blades are fixed to the lower wheel disc and evenly distributed along the axis of the lower wheel disc, one sides of the upper blades are fixed to the side, facing the lower wheel disc, of the upper wheel disc, and the other sides of the upper blades are evenly distributed along the axis of the lower wheel disc. The multiple upper blades are evenly distributed along the axis of the upper wheel disc, the sides, back to the lower wheel disc, of the lower blades are connected with a lower positioning plate, the sides, back to the upper wheel disc, of the upper blades are connected with an upper positioning plate, and the lower wheel disc is provided with a lower positioning groove where the upper positioning plate is embedded. And the upper wheel disc is provided with an upper positioning groove for embedding the lower positioning plate, so that the purpose of improving the structural strength is achieved.

Description

Technical Field

[0001] The utility model relates to the field of water pumps, in particular to a high-strength water pump impeller. Background Art

[0002] Water pumps are widely used in daily life and industrial production.

[0003] At present, a Chinese patent with authorization announcement number CN201730858U discloses a water pump impeller, including blades and a disc-shaped wheel. The center of the wheel has a connecting hole for the drive shaft to pass through. The blades are fixed on the wheel with the connecting hole as the center. The blades are arc-shaped and twisted to have a twist degree, and the twist degree is 5° to 70°.

[0004] This type of water pump impeller has a simple structure, but one side of the blade is fixed to the disc, while the other side of the blade is suspended. During the high-speed rotation of the disc, the suspended side of the blade is prone to deformation and damage, so the structural strength is not high. Utility Model Content

[0005] In view of this, the purpose of the utility model is to provide a high-strength water pump impeller to greatly improve the structural strength.

[0006] In order to solve the above technical problems, the technical solution of the utility model is: a high-strength water pump impeller, comprising a lower wheel disc, lower blades, one side of multiple lower blades is fixed on the lower wheel disc and evenly distributed along the axis of the lower wheel disc, and also comprises an upper wheel disc and upper blades, one side of multiple upper blades is fixed to the side of the upper wheel disc facing the lower wheel disc, and multiple upper blades are evenly distributed along the axis of the upper wheel disc, the side of the lower blades facing away from the lower wheel disc is connected with a lower positioning plate, the side of the upper blades facing away from the upper wheel disc is connected with an upper positioning plate, the lower wheel disc is provided with a lower positioning groove for embedding the upper positioning plate, and the upper wheel disc is provided with an upper positioning groove for embedding the lower positioning plate.

[0007] To implement the above technical solution, the upper positioning plate is embedded in the lower positioning groove, and at the same time, the lower positioning plate is embedded in the upper positioning groove. The inner wall of the lower positioning groove contacts the upper positioning plate, so that both sides of the upper blade can be supported at the same time. Similarly, both sides of the lower blade can also be supported at the same time. During the synchronous rotation of the upper and lower wheel discs, the upper and lower blades are not easily deformed, thereby greatly improving the structural strength.

[0008] As a preferred solution of the utility model, it also includes a fixing ring, which is connected to the upper wheel disc, and a fixing block is fixedly connected to the fixing ring, and a fixing groove is provided on the fixing block, and a fixing groove is provided on the side of the upper wheel disc facing away from the lower wheel disc, and the upper positioning groove is located in the fixing groove, and the fixing block is embedded in the fixing groove and the lower positioning plate is embedded in the fixing groove.

[0009] To implement the above technical solution, the fixing ring is fixedly connected to the upper wheel disc, the fixing block is fixedly connected to the fixing groove, and the lower positioning plate is embedded in the fixing groove, so that the lower positioning plate is not easily separated from the upper wheel disc, thereby further improving the structural strength.

[0010] As a preferred solution of the utility model, a curved surface is provided on a side of the fixing block facing away from the fixing groove, and the curved surface is flush with the surface of the upper wheel disc.

[0011] To implement the above technical solution, the setting of the arc surface improves the surface finish between the upper wheel disc and the fixed block, thereby reducing resistance and energy consumption.

[0012] As a preferred solution of the utility model, a placement groove is provided on the upper wheel disc, the fixing ring is embedded in the placement groove, and the surface of the fixing ring is flush with the surface of the upper wheel disc.

[0013] The above technical solution is implemented to ensure better smoothness between the upper wheel disc and the fixed ring, thereby reducing resistance and energy consumption.

[0014] As a preferred solution of the utility model, a slot is provided on the side of the lower wheel disc facing away from the upper wheel disc, a clamping block is embedded in the slot, a limiting groove is provided on the clamping block, and the upper positioning plate is embedded in the limiting groove.

[0015] To implement the above technical solution, the upper positioning plate is embedded in the lower positioning groove, the clamping block is embedded in the clamping groove, and the upper positioning plate is embedded in the limiting groove, so that the connection between the upper positioning plate and the lower wheel disc is more stable, further improving the structural strength.

[0016] As a preferred solution of the utility model, the side of the clamping block facing away from the limiting groove is flush with the surface of the lower wheel disc.

[0017] Implementing the above technical solution can improve the smoothness between the block and the lower wheel disc, and reduce resistance and energy consumption.

[0018] As a preferred solution of the utility model, a lower connecting groove is provided on the side wall of the lower positioning plate, an upper connecting block is integrally connected to the inner wall of the fixing groove, and the upper connecting block is embedded in the lower connecting groove.

[0019] To implement the above technical solution, the lower positioning plate is embedded in the upper positioning groove, and then the fixing block is set in the fixing groove by injection molding, a fixing groove is formed on the fixing block, and an upper connecting block is formed on the inner wall of the fixing groove. The upper connecting block is embedded in the lower connecting groove, so that the connection between the fixing block and the lower connecting plate is tighter and the structural strength is higher.

[0020] As a preferred solution of the utility model, an upper connecting groove is provided on the side wall of the upper positioning plate, a lower connecting block is integrally provided on the inner wall of the limiting groove, and the lower connecting block is embedded in the upper connecting groove.

[0021] To implement the above technical solution, the upper positioning plate is embedded in the lower positioning groove, and then a clamping block is formed in the lower positioning groove by injection molding, and a limiting groove is formed on the clamping block and a lower connecting block is formed on the inner wall of the limiting groove. The lower connecting block is embedded in the upper connecting groove, thereby making the connection between the clamping block and the upper positioning plate tighter and the structural strength higher.

[0022] As a preferred solution of the utility model, a steel driving pipe is connected to the lower wheel disc.

[0023] To implement the above technical solution, a steel drive tube is placed in a mold, and a lower wheel disc is obtained on the steel drive tube by injection molding. Since the steel drive tube is made of steel, it has a stronger structural strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0025] Figure 2 To reflect the structural diagram of the lower roulette;

[0026] Figure 3 A schematic diagram of the explosion structure of the utility model;

[0027] Figure 4 To reflect the structural schematic diagram of the fixed block;

[0028] Figure 5 Schematic diagram of the structure of the card slot.

[0029] Figure numerals: 1. lower wheel disc; 11. lower blade; 12. lower positioning plate; 13. lower positioning groove; 2. upper wheel disc; 21. upper blade; 22. upper positioning plate; 23. upper positioning groove; 31. placement groove; 32. fixing groove; 33. lower connecting groove; 4. fixing ring; 41. fixing block; 42. fixing groove; 5. arc surface; 61. clamping groove; 62. upper connecting groove; 7. clamping block; 71. limiting groove; 8. steel drive pipe. DETAILED DESCRIPTION

[0030] The specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings to make the technical solutions of the present invention easier to understand and grasp.

[0031] A high-strength water pump impeller includes a lower wheel disc 1 and lower blades 11. One side of four lower blades 11 is fixed on the lower wheel disc 1 and evenly distributed along the axis of the lower wheel disc 1. The lower wheel disc 1 and the lower blades 11 are obtained on the steel driving pipe 8 by mold injection molding, that is, the lower blades 11 are integrated with the lower wheel disc 1. The lower wheel disc 1 and the lower blades 11 are made of PPS material.

[0032] One side of the four upper blades 21 is fixed to the side of the upper wheel disc 2 facing the lower wheel disc 1, and the upper wheel disc 2 and the upper blades 21 are made of PPS material in one piece. The four upper blades 21 are evenly distributed along the axis of the upper wheel disc 2.

[0033] A lower positioning plate 12 is integrally connected to the side of the lower blade 11 facing away from the lower wheel disc 1, and an upper positioning plate 22 is integrally connected to the side of the upper blade 21 facing away from the upper wheel disc 2. A lower positioning groove 13 for embedding the upper positioning plate 22 is provided in the lower wheel disc 1, and an upper positioning groove 23 for embedding the lower positioning plate 12 is provided in the upper wheel disc 2. The lower positioning groove 13 is spaced apart from the lower blade 11, and the upper positioning groove 23 is spaced apart from the upper blade 21.

[0034] A placement groove 31 is provided on the side of the upper wheel disc 2 facing away from the lower wheel disc 1, and the placement groove 31 is coaxially arranged with the upper wheel disc 2. A fixing groove 32 is provided on the side of the upper wheel disc 2 facing away from the lower wheel disc 1, and the upper positioning groove 23 is located in the fixing groove 32.

[0035] A lower connecting groove 33 is formed on the side wall of the lower positioning plate 12 , and the lower connecting groove 33 is arranged along the length direction of the lower positioning plate 12 .

[0036] The upper positioning plate 22 is embedded in the lower positioning groove 13, and at the same time, the lower positioning plate 12 is embedded in the upper positioning groove 23, and then a fixing ring 4 is formed in the placement groove 31 by injection molding, and the surface of the fixing ring 4 is flush with the surface of the upper wheel disc 2. Four fixing blocks 41 are integrally connected to the fixing ring 4. A fixing groove 42 is formed on the fixing block 41, and the end of the lower positioning plate 12 is embedded in the fixing groove 42. An upper connecting block (not shown in the figure) is integrally formed on the inner wall of the fixing groove 42, and the upper connecting block is embedded in the lower connecting groove 33.

[0037] A curved surface 5 is formed on a side of the fixing block 41 facing away from the fixing groove 42 , and the curved surface 5 is flush with the surface of the upper wheel disc 2 .

[0038] A clamping groove 61 is provided on a side of the lower wheel disc 1 facing away from the upper wheel disc 2 , and the lower positioning groove 13 is located inside the clamping groove 61 .

[0039] An upper connecting groove 62 is formed on the side wall of the upper positioning plate 22 , and the upper connecting groove 62 is arranged along the length direction of the upper positioning plate 22 .

[0040] After the above-mentioned fixing ring 4 is injection molded, a clamping block 7 is formed in the clamping groove 61 by injection molding, and a limiting groove 71 is formed on the clamping block 7, the limiting groove 71 corresponds to the end of the upper positioning plate 22, and a lower connecting block (not shown in the figure) is integrally formed on the inner wall of the limiting groove 71, and the lower connecting block is embedded in the upper connecting groove 62.

[0041] The side of the clamping block 7 facing away from the limiting groove 71 is flush with the surface of the lower wheel disc 1 .

[0042] When in use, the upper wheel disc 2 is supported by the pump body of the water pump, and the lower wheel disc 1 is connected to the drive motor through the steel drive pipe 8 for rotation, so that the upper blades 21 and the lower blades 11 have extremely strong structural strength.

[0043] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A high-strength water pump impeller, comprising a lower wheel disc (1) and lower blades (11), wherein one side of a plurality of lower blades (11) is fixed to the lower wheel disc (1) and is evenly distributed along the axis of the lower wheel disc (1), wherein: It also comprises an upper wheel disc (2) and upper blades (21), one side of a plurality of the upper blades (21) being fixed to a side of the upper wheel disc (2) facing the lower wheel disc (1), and the plurality of the upper blades (21) being evenly distributed along the axis of the upper wheel disc (2), the side of the lower blades (11) facing away from the lower wheel disc (1) being connected to a lower positioning plate (12), the side of the upper blades (21) facing away from the upper wheel disc (2) being connected to an upper positioning plate (22), the lower wheel disc (1) being provided with a lower positioning groove (13) for embedding the upper positioning plate (22), and the upper wheel disc (2) being provided with an upper positioning groove (23) for embedding the lower positioning plate (12).

2. A high-strength water pump impeller according to claim 1, characterized in that: The invention also comprises a fixing ring (4), wherein the fixing ring (4) is connected to the upper wheel disc (2), a fixing block (41) is fixedly connected to the fixing ring (4), a fixing groove (42) is provided on the fixing block (41), a fixing groove (32) is provided on the side of the upper wheel disc (2) facing away from the lower wheel disc (1), the upper positioning groove (23) is located in the fixing groove (32), the fixing block (41) is embedded in the fixing groove (32) and enables the lower positioning plate (12) to be embedded in the fixing groove (42).

3. A high-strength water pump impeller according to claim 2, characterized in that: The fixing block (41) is provided with an arc-shaped surface (5) on a side facing away from the fixing groove (42), and the arc-shaped surface (5) is flush with the surface of the upper wheel disc (2).

4. A high-strength water pump impeller according to claim 2, characterized in that: The upper wheel disc (2) is provided with a placement groove (31), the fixing ring (4) is embedded in the placement groove (31), and the surface of the fixing ring (4) is flush with the surface of the upper wheel disc (2).

5. The high-strength water pump impeller according to claim 1 is characterized in that: A clamping groove (61) is provided on the side of the lower wheel disc (1) facing away from the upper wheel disc (2), a clamping block (7) is embedded in the clamping groove (61), a limiting groove (71) is provided on the clamping block (7), and the upper positioning plate (22) is embedded in the limiting groove (71).

6. A high-strength water pump impeller according to claim 5, characterized in that: The side of the clamping block (7) facing away from the limiting groove (71) is flush with the surface of the lower wheel disc (1).

7. A high-strength water pump impeller according to claim 2, characterized in that: A lower connecting groove (33) is provided on the side wall of the lower positioning plate (12), and an upper connecting block is integrally connected to the inner wall of the fixing groove (42), and the upper connecting block is embedded in the lower connecting groove (33).

8. The high-strength water pump impeller according to claim 5 is characterized in that: An upper connecting groove (62) is provided on the side wall of the upper positioning plate (22), and a lower connecting block is integrally provided on the inner wall of the limiting groove (71), and the lower connecting block is embedded in the upper connecting groove (62).

9. A high-strength water pump impeller according to any one of claims 1 to 8, characterized in that: The lower wheel disc (1) is connected with a steel driving pipe (8).

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