CN218493868U

CN218493868U - Plastic-packaged magnetic pole impeller

Info

Publication number: CN218493868U
Application number: CN202222063110.5U
Authority: CN
Inventors: 石泰山
Original assignee: Jiangmen City Shuo Tai Electric Co ltd
Current assignee: Jiangmen City Shuo Tai Electric Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-02-17
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses a plastic envelope magnetic pole impeller, including magnet and impeller, the parcel of magnet plastic envelope shaping ground is provided with the cladding, the bottom side of impeller sets up the magnet upside on the cladding, the center of magnet is provided with the through-hole, the magnet still is provided with the axle sleeve in its through-hole. Compared with the prior art, the plastic package magnetic pole impeller has the advantages that no seam is left on the magnet by adopting the cladding wrapped by the plastic package, a sealing element is not required to be added in the assembly, the excellent sealing performance is ensured, the time consumption of the assembly is reduced, the durability is better, and the cost is low.

Description

Plastic package magnetic pole impeller

Technical Field

The utility model relates to a magnetic pole impeller technical field especially relates to a plastic envelope magnetic pole impeller.

Background

In the past, the impeller is directly connected with a motor rotating shaft, the existing magnetic induction impeller or magnetic pole impeller separates the impeller from the motor, and sets magnetic poles at the bottom of the impeller, so that the impeller rotates through magnetic induction transmission with the magnetic poles arranged on the motor rotating shaft, and the existing magnetic pole impeller wraps the magnet correspondingly through the shell of two half shells, so that a seam is left at a butt joint of the shell of the magnet of the structure, the shell is difficult to seal the magnet, particularly, the seam is enlarged or uneven and not attached due to tolerance, deformation and the like of the shell, so that a sealing element is often required to be arranged in the seam to ensure the sealing property, but the structure cost is naturally increased, the time consumption and the cost of assembly are high, in addition, the durability after long-time application is not good enough, and the improvement is required.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the plastic-sealed magnetic pole impeller is provided, a magnet can be completely sealed, the cost can be effectively reduced, and the durability is good.

The plastic-package magnetic pole impeller comprises a magnet and an impeller, wherein a cladding is wrapped on the magnet in a plastic package forming mode, the bottom side of the impeller is arranged on the cladding on the upper side of the magnet, a through hole is formed in the center of the magnet, and a shaft sleeve is further arranged in the through hole of the magnet.

As the utility model discloses a preferred scheme, the cladding sets up through twice plastic envelope parcel on the magnet, the bottom side plastic envelope parcel of cladding is formed with the butt in its through-hole department during the magnet the inward flange of the lower extreme perisporium of axle sleeve.

As a preferable aspect of the present invention, the impeller and the containment shell are integrally formed.

As a preferred aspect of the present invention, the upper end of the shaft sleeve is passed the through hole of the magnet and is extended into the inner side of the impeller, the inner side of the impeller is provided with a stepped hole corresponding to the shaft sleeve.

As the utility model discloses a preferred scheme, the downside of magnet sets up toper or notch cuttype in the inner wall of its through-hole edge, the outer wall correspondence of axle sleeve is provided with the bellied wall of toper or notch cuttype.

As the preferred scheme of the utility model, the axle sleeve is made for graphite.

As the preferred scheme of the utility model, the axle sleeve is the composite construction of outer plastics cladding inlayer rubber.

The embodiment of the utility model provides a plastic envelope magnetic pole impeller compares with prior art, and its beneficial effect lies in: the magnet adopts the cladding of plastic envelope parcel can not leave the seam, need not to add the sealing member in the equipment, has both ensured to have the splendid leakproofness can reduce the equipment again consuming time, and the incorruptibility is better moreover, and is with low costs also.

Drawings

Fig. 1 is a schematic view of an overall breaking structure according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the present invention;

fig. 3 is a sectional view showing the overall structure of another embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the machine or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1 and 2, the utility model discloses a plastic envelope magnetic pole impeller, including magnet 1 and

impeller

2, 1 plastic envelope shaping ground parcel of magnet is provided with cladding 3, impeller 2's bottom side sets up 1 upside of magnet on the cladding 3, magnet 1's center is provided with the through-hole, magnet 1 still is provided with axle sleeve 4 in its through-hole, because the direct plastic envelope shaping ground parcel of magnet 1 has cladding 3, and cladding 3 just can not leave the seam to need not to design the two halves casing that matches magnet 1, also need not to add the sealing member in the equipment, it is consuming time to both ensure to have the leakproofness of excellence in and can reduce the equipment, and impeller 2 accessible integrated into one piece or built-up connection's mode sets up on cladding 3, and cooperation axle sleeve 4 is installed in the through-hole at magnet 1's center, and the base of impeller lid can be installed to whole magnetic pole impeller, and axle sleeve 4 registrates the back shaft of base, thereby lets the impeller rotate along the base at magnet 1 in water pump magnetic induction drive action system.

Referring to fig. 1, as an example, the cladding 3 is disposed on the magnet 1 by two times of plastic package, when the magnet 1 is plastic-packaged and wrapped on the bottom side of the cladding 3, an inner edge 31 which is in sealing contact with the circumferential wall of the lower end of the shaft sleeve 4 is formed at the through hole, when the cladding 3 is plastic-packaged, one side of the magnet 1 is wrapped first, then the clamp is convenient to grasp the plastic-packaged cladding 3, then the other side of the magnet 1 is plastic-packaged and wrapped with the plastic-packaged cladding 3 for the second time, and an integral wrapping structure is formed with the plastic-packaged cladding 3, and meanwhile, the shaft sleeve 4 can be mounted in the through hole of the magnet 1 while the cladding 3 is plastic-packaged, so that the inner edge 31 and the shaft sleeve 4 form corresponding tight contact, thereby fixing the shaft sleeve 4 and forming a good sealing wrapping structure.

Referring to fig. 1, the impeller 2 and the housing 3 are exemplarily formed in an integral manner, so that the impeller 2 is formed by injection molding during the plastic molding process of the housing 3, and no additional structure such as a bolt, a screw, etc. is required for connection, thereby further reducing the processing cost and achieving good overall quality control.

Referring to fig. 1, for example, the upper end of the shaft sleeve 4 passes through the through hole of the magnet 1 and extends into the inner side of the impeller 2, and the inner side of the impeller 2 is provided with a stepped hole 21 corresponding to the shaft sleeve 4, so that the upper end and the lower end of the shaft sleeve 4 are correspondingly abutted against the containment shell 3 and the impeller 2, thereby forming a firmer structure, and meanwhile, the stepped hole 21 is convenient to connect the shaft sleeve 4 and is also convenient to be matched with a base with a supporting shaft.

Referring to fig. 1 and 3, exemplarily, the lower side of the magnet 1 is provided with a taper or a step at the inner wall of the edge of the through hole thereof, and the outer wall of the shaft sleeve 4 is correspondingly provided with a taper or a step convex wall, so that the taper outer wall of the shaft sleeve 4 is conveniently aligned and abutted with the inner wall of the through hole of the magnet 1, and the cladding 3 is extended along the inner wall of the through hole of the magnet 1 in the plastic package and forms a sealing abutting area with the shaft sleeve 4.

Referring to fig. 1 or 2, the sleeve 4 is made of graphite, so that the sleeve 4 has low frictional resistance as a whole, which effectively reduces the frictional resistance when the impeller rotates.

Referring to fig. 3, the shaft sleeve 4 is exemplarily a composite structure in which an outer layer of plastic is coated with an inner layer of rubber, so that the cost is low, and the inner layer of rubber has low friction when being soaked in water and is connected with a base or a supporting shaft, so that the cost performance is good.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.

Claims

1. A plastic package magnetic pole impeller is characterized in that: the magnetic device comprises a magnet and an impeller, wherein a cladding is wrapped and formed in a plastic package mode by the magnet, the bottom side of the impeller is arranged on the cladding on the upper side of the magnet, a through hole is formed in the center of the magnet, a shaft sleeve is further arranged in the through hole of the magnet, the cladding is arranged on the magnet through two times of plastic package wrapping, and an inner edge which is abutted against the peripheral wall of the lower end of the shaft sleeve is formed in the through hole when the magnet is wrapped and formed in the plastic package mode by the bottom side of the cladding.

2. The plastic package magnetic pole impeller of claim 1, characterized in that: the impeller and the cladding are integrally formed.

3. The plastic encapsulated pole impeller of claim 2, characterized in that: the upper end of the shaft sleeve penetrates through the through hole of the magnet and extends into the inner side of the impeller, and the inner side of the impeller is provided with a stepped hole corresponding to the shaft sleeve.

4. The plastic package magnetic pole impeller of claim 1, characterized in that: the lower side of the magnet is provided with a conical or step-shaped inner wall at the edge of the through hole, and the outer wall of the shaft sleeve is correspondingly provided with a conical or step-shaped convex wall surface.

5. The plastic package magnetic pole impeller of claim 1, characterized in that: the shaft sleeve is made of graphite.

6. The plastic package magnetic pole impeller of claim 1, characterized in that: the shaft sleeve is of a composite structure with an outer layer of plastic coated with an inner layer of rubber.