Water pump impeller

Abstract

The utility model discloses a water pump impeller which comprises an impeller body and a driving wheel, a plurality of magnets are evenly distributed on one end face of the impeller body and one end face of the driving wheel with a circle point as the axis and magnetically attract each other, the impeller body is provided with a first sealing end cover and covers the magnets of the impeller body, and the driving wheel is provided with a second sealing end cover. The first sealing end cover is provided with a magnet and covers the magnet located on the driving wheel, the second sealing end cover is provided with a counter bore, and the first sealing end cover is provided with a protruding cylinder and abuts against the counter bore, so that a distance is kept between the impeller and the driving wheel. According to the utility model, through mutual magnetic attraction of the magnets, power on the driving wheel is transmitted to the impeller through magnetic force to drive the impeller to rotate; when the impeller is blocked by a foreign matter, the driving wheel continues to rotate and is not influenced by blocking of the impeller, and therefore the situation that the motor is burnt down is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump technical field especially relates to a water pump impeller. BACKGROUND

[0002] Water pump impeller is made of cast iron. The blade on the water pump impeller plays a major role, and the shape and size of the water pump impeller are closely related to the performance of the water pump. The water pump impeller can be generally divided into single-suction type and double-suction type, the single-suction type impeller is single-side water suction, and the small-flow water pump impeller is mostly of this type. The double-suction type impeller is two-side water suction, and the large-flow water pump impeller adopts the double-suction type impeller; the impeller is the core component of the water pump and is the main influencing factor of the working efficiency.

[0003] When the water pump is actually used, if the water or fluid contains fiber-like filaments or hard rod-like branches, the impeller will be stuck, and the motor connected in transmission will be burned, and the water pump will be scrapped. Therefore, the applicant has made beneficial design, found a method to solve the above problems, and the technical scheme to be introduced below is generated in this background. SUMMARY

[0004] The utility model discloses a kind of products of preventing motor burnout to overcome the deficiency of the design of the above-mentioned traditional water pump impeller.

[0005] To solve the above problems, the utility model adopts the following technical scheme.

[0006] A kind of water pump impeller, including impeller, driving wheel, the end face of the impeller and driving wheel is evenly distributed with a plurality of magnets with round dot as pivot, and mutually magnetic attraction, the impeller is equipped with first sealing end cap, and covers the magnet of the impeller, the driving wheel is equipped with second sealing end cap, and covers the magnet located in the driving wheel, the second sealing end cap is equipped with counterbore, the first sealing end cap is equipped with the protruding cylinder, and abuts the counterbore, so that the impeller and driving wheel keep spacing.

[0007] Preferably, the first sealing end cap, second sealing end cap are evenly distributed with a plurality of fixed holes with round dot as pivot, the end face of the fixed hole is equipped with sink groove, the fixed hole is equipped with fastening screw, and is connected in screw thread with the impeller and driving wheel.

[0008] Preferably, the end face of the impeller and driving wheel is equipped with sealing ring, and abuts the first sealing end cap, second sealing end cap, the sealing ring and magnet are in the same end face.

[0009] Preferably, the other end of the driving wheel is equipped with fixed column, and the fixed column is equipped with threaded hole.

[0010] Preferably, the other end of the impeller is uniformly provided with a plurality of blades with the round dot as the axis.

[0011] Preferably, the impeller and the driving wheel are provided with blind holes accommodating the magnets.

[0012] Preferably, the magnet is a neodymium magnet.

[0013] Advantages:

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] The utility model discloses, through magnetism mutual magnetic attraction, the power on the driving wheel is given the impeller through magnetic drive, and the impeller is rotated, and when the impeller is stuck by foreign matter, the driving wheel continues to rotate, and is not influenced by the impeller stuck, thereby preventing the motor from burning. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the side surface profile structure schematic diagram of a water pump impeller of the utility model;

[0017] Figure 2 It is the exploded structure schematic diagram of a water pump impeller of the utility model;

[0018] The corresponding relationship between the annotations of various drawings and the names of components in the drawings is as follows:

[0019] Mark: 1, impeller;2, driving wheel;3, magnet;4, first sealing end cover;5, second sealing end cover;6, fixed hole;7, sealing ring;8, blind hole;11, blade;21, fixed column;22, screw hole;41, cylinder;51, counterbore;61, sink groove;62, fastening screw. DETAILED DESCRIPTION

[0020] The technical solutions of the utility model will be described below in conjunction with the embodiments, and obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] In the description of the utility model, it should be understood that the directions or position relations indicated by the terms such as "upper", "lower", "left", "right" are the directions or position relations shown based on the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated devices or elements must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as a limitation on the utility model.

[0022] In the embodiments of the present application, "and / or" is merely a description of the association relationship of the associated objects, and indicates that three relationships can exist, for example, A and / or B can represent the following three cases: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally represents an "or" relationship between the front and rear associated objects.

[0023] Reference example Figure 1 、 Figure 2 A water pump impeller, comprising an impeller 1, a driving wheel 2, a plurality of magnets 3 are uniformly distributed on one end surface of the impeller 1 and the driving wheel 2 with a round dot as an axis, and are magnetically attracted to each other, the impeller 1 is provided with a first sealing end cover 4, and the magnets 3 of the impeller 1 are covered, the driving wheel 2 is provided with a second sealing end cover 5, and the magnets 3 located on the driving wheel 2 are covered, the second sealing end cover 5 is provided with a counterbore 51, the first sealing end cover 4 is provided with a protruding cylinder 41, and the counterbore 51 is abutted, so that the impeller 1 and the driving wheel 2 maintain a spacing, this spacing not only facilitates the separation of the impeller 1 and the driving wheel 2, but also can place the driving wheel 2 on the outer wall of the pump body, and the impeller 1 is placed in the inside of the pump body, the power on the driving wheel 2 is transmitted to the impeller 1 through magnetic force transmission by the mutual magnetic attraction of the magnets 3, and the impeller 1 is driven to rotate; when the impeller 1 is blocked by foreign matter, the driving wheel 2 continues to rotate and is not affected by the blocking of the impeller 1, thereby preventing the motor from burning out;

[0024] It is worth mentioning that the first sealing end cover 4 and the second sealing end cover 5 are uniformly distributed with a plurality of fixing holes 6 with a round dot as an axis, the end surface of the fixing hole 6 is provided with a sink groove 61, the fixing hole 6 is provided with a fastening screw 62, and is threadedly connected to the impeller 1 and the driving wheel 2, the fastening screw 62 not only fixes the magnet, but also applies downward pressure to the sealing ring 7, and the sink groove 61 makes the head of the fastening screw 62 flush with the first sealing cover and the second sealing cover;

[0025] It is worth mentioning that one end surface of the impeller 1 and the driving wheel 2 is provided with a sealing ring 7, and abuts against the first sealing end cover 4 and the second sealing end cover 5, the sealing ring 7 is located at the same end surface as the magnet 3, the sealing ring 7 is extruded by the first sealing cover and the second sealing cover, expands and deforms to the surrounding, and fills the gap between the first sealing cover, the second sealing cover, the impeller 1 and the driving wheel 2, preventing water, small particles and humid air from eroding the magnet 3, and ensuring that the magnetism is not affected;

[0026] It is worth mentioning that the other end of the driving wheel 2 is provided with a fixing column 21, the fixing column 21 is provided with a threaded hole 22, and the threaded hole 22 is connected and fixed with the rotating shaft of the motor;

[0027] It is worth mentioning that a plurality of blades 11 are uniformly distributed on the other end of the impeller 1 with a round dot as an axis, the blades 11 transmit the mechanical energy of the motor to the liquid medium by rotating, thereby realizing the transportation of the liquid medium;

[0028] It is worth mentioning that the impeller 1 and the driving wheel 2 are provided with the blind hole 8 containing the magnet 3;

[0029] It is worth mentioning that the magnet 3 is a neodymium magnet 3, which is the strongest permanent magnetic material, and since the impeller 1 is in the liquid medium, the rotating resistance is large, thus the magnetic transmission loss is reduced through the neodymium magnet 3.

[0030] The above is further detailed description of the utility model in combination with specific embodiments, which cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can also be made, which should be considered to belong to the protection scope determined by the claims submitted by the utility model.

Claims

1. A water pump impeller comprising an impeller (1), a driving wheel (2), characterized in that: The impeller (1) and one end surface of the driving wheel (2) are uniformly provided with a plurality of magnets (3) with a circular dot as the center, and are magnetically attracted to each other, the impeller (1) is provided with a first sealing end cover (4), and covers the magnets (3) of the impeller (1), the driving wheel (2) is provided with a second sealing end cover (5), and covers the magnets (3) located on the driving wheel (2), the second sealing end cover (5) is provided with a counterbore (51), the first sealing end cover (4) is provided with a protruding cylinder (41), and abuts against the counterbore (51), so that the impeller (1) and the driving wheel (2) maintain a distance.

2. The water pump impeller of claim 1, wherein: The first sealing end cover (4) and the second sealing end cover (5) are uniformly provided with a plurality of fixing holes (6) with a circular dot as the center, the end surface of the fixing hole (6) is provided with a sink groove (61), the fixing hole (6) is provided with a fastening screw (62), and is threadedly connected to the impeller (1) and the driving wheel (2).

3. The water pump impeller of claim 2, wherein: One end surface of the impeller (1) and the driving wheel (2) is provided with a sealing ring (7), and abuts against the first sealing end cover (4) and the second sealing end cover (5), the sealing ring (7) is located at the same end surface as the magnet (3).

4. The water pump impeller of claim 3, wherein: The other end of the driving wheel (2) is provided with a fixing column (21), and the fixing column (21) is provided with a threaded hole (22).

5. The water pump impeller of claim 2, wherein: The other end of the impeller (1) is uniformly provided with a plurality of blades (11) with a circular dot as the center.

6. The water pump impeller of claim 5, wherein: The impeller (1) and the driving wheel (2) are provided with a blind hole (8) for accommodating the magnet (3).

7. The water pump impeller of any one of claims 2 to 6, wherein: The magnet (3) is a neodymium magnet (3).

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