TWM639141U - Lightweight motor rotor structure - Google Patents

Abstract

A light-weight motor rotor structure, which is equipped with a fan blade group at both ends of a rotor, each fan blade group is set on the two ends of the rotor by a ring seat, and the fan blade groups are respectively formed on the surface of the ring seat. A plurality of blades, wherein the height of the ring seat of the fan blade group does not exceed one-fourth of the height of the blade, and the ring seat has an inner ring edge and an outer ring edge, and the blade has a corresponding ring seat inside the inner ring edge The end surface and the outer end surface of a corresponding outer ring edge of the ring seat piece, the inner ring edge of the ring seat piece is indented compared with the inner end surface of the blade, and the width of the ring seat piece does not exceed three quarters of the width of the blade, thereby, Lightening the overall weight of the rotor can effectively reduce the load on the rotor when the rotor rotates at high speed, so as to reduce the energy consumption of operation, and achieve the effects of energy saving and cost reduction.

Description

Lightweight motor rotor structure

This creation belongs to the technical field of a motor rotor, and in particular refers to a lightweight motor rotor structure.

Press, the motor is a kind of electromagnetic induction, which converts electrical energy into kinetic energy of high-speed rotation. Its core components include a stator and a rotor that can rotate at a relatively high speed. The rotor with iron core rotates at high speed. The existing rotor system is composed of a rotor frame and an iron core arranged in the rotor frame, wherein the rotor frame system is shown in Figure 1 and Figure 2, and the rotor frame (10) includes a plurality of connecting columns (11) and a The end rings (15) at the two ends of the connecting columns (11), and the end rings (15) on both sides respectively have a plurality of blades (16), and the inner and outer edge surfaces of the blades (16) are respectively attached to the two ends. Ring (15) inner rim (151) and outer rim (152). In this way, when the rotor rotates at a high speed, the blades (16) on the rotor frame (10) will rotate around the axis, and then the gas between two blades (16) will be pushed outward, thereby generating centrifugal airflow.

However, the existing design of the end ring (15) and the blade (16) has a certain weight, and when the rotor rotates at a high speed, it will carry a relatively large load, thereby generating large energy consumption and reducing its operating efficiency. The demand for energy saving and cost reduction has adverse effects, so the above-mentioned problems need to be further resolved, and how to solve the above-mentioned problems is what the industry wants to think about, and it is also based on this creation The subject to be discussed.

In view of the disadvantages and needs of the above-mentioned shortcomings, the creator has been engaged in related technologies and product design and manufacturing for many years, researched and created the above-mentioned disadvantages and needs, and actively sought solutions. After continuous efforts in research and trial production, finally Successfully developed a lightweight motor rotor structure to overcome the existing problems and troubles due to heavy loads.

The main purpose of this creation is to provide a lightweight motor rotor structure, so as to reduce the weight of the rotor, reduce the load when the rotor rotates at high speed, reduce the energy consumption of its operation, and effectively save the operating cost.

The second main purpose of this creation is to provide a lightweight motor rotor structure, which can improve energy conversion efficiency, thereby enhancing its practicability.

For this reason, this creation mainly achieves the above-mentioned purpose and performance through the following technical means. The rotor has a silicon steel sheet group composed of a plurality of silicon steel sheets stacked together, and a through shaft hole is formed in the center of the silicon steel sheet group. The rotor There is a set of fan blades at both ends of the rotor, and the sets of fan blades are fixed on both ends of the rotor by a ring seat, and the sets of fan blades are respectively formed with a plurality of blades on the surface of the ring seat; The characteristic is that the fan blades are made of aluminum, and the height of the ring seat of the fan blades does not exceed a quarter of the height of each blade, and the ring seat has an inner ring edge and an outer rim, each of the blades has a pair of inner end surfaces of the inner rim of the ring seat piece and a pair of outer end surfaces of the outer rim of the ring seat piece, and the inner rim of the ring seat piece is compared with each of the blades The inner end surface is retracted, and the width of the ring seat piece is no more than three quarters of the width of each blade.

Through the specific realization of the aforementioned technical means, the lightweight motor rotor structure of this creation can use the design of the ring seat pieces of aluminum fan blades at both ends, whose height and width can be greatly reduced, making the overall weight of the rotor lightweight In this way, when the rotor rotates at high speed, the weight of the rotor is reduced, which can effectively reduce the load of the rotor when rotating at high speed, reduce the energy consumption of its operation, and at the same time improve the energy conversion efficiency, further and effectively save the operating cost , to achieve the effects of energy saving and cost reduction, greatly enhance the practicability of its use, and increase its added value and economic benefits.

And this invention further realizes the above-mentioned purpose and effect by using the following technical means; it includes: the ring seat has a pair of inner rings corresponding to the shaft hole of the silicon steel sheet group and a pair of outer rings corresponding to the outer diameter of the rotor, In addition, the inner and outer ring edges of the ring seat sheet respectively form an arc shape.

The outer diameter of the outer ring edge of the ring seat piece is smaller than the outer diameter of the rotor.

The outer ring edge of the ring seat piece is flush with the outer end surface of each blade.

In order to enable your review committee to further understand the composition, characteristics and other purposes of this creation, the following are some preferred embodiments, which are described in detail with the drawings, and at the same time allow those familiar with this technical field to implement it.

10: Rotor frame

11: Connecting column

15: End ring

151: inner ring edge

152: outer ring edge

16: blade

50: rotor

51: Silicon steel sheet group

52: shaft hole

54:Fan blade group

55: ring seat piece

551: inner ring edge

552: outer ring edge

56: blade

561: inner end face

562: Outer end face

A1: The height of the ring seat (55)

A2: the height of the blade (56)

L1: the width of the ring seat (55)

L2: the width of the blade (56)

A-A: blade section direction line

Figure 1: A schematic diagram of the appearance of the existing motor rotor.

Fig. 2: A schematic top plan view of an existing motor rotor.

Figure 3: A schematic diagram of the appearance of this creation, illustrating its components and their relative relationships.

Figure 4: A schematic top plan view of the creation of this work.

Fig. 5: A partially enlarged cross-sectional schematic diagram of the line A-A in Fig. 3 created by the present invention.

This creation is a light-weight motor rotor structure. The accompanying drawings illustrate the specific embodiments of this creation and its components, all references to front and rear, left and right, top and bottom, upper and lower, and horizontal and vertical , is for convenience of description only, and does not limit the invention, nor its components, to any position or orientation in space. The dimensions specified in the drawings and instructions can be changed according to the design and requirements of the specific embodiment of this creation without departing from the patent scope of this creation, so the patent application is not restricted by this structure. limit.

Regarding the detailed composition of the preferred embodiment of the light-weight motor rotor structure of this invention, as shown in Figure 3, the rotor (50) has a silicon steel sheet group (51) that is laminated and combined by a plurality of silicon steel sheets, and the silicon steel sheet group (51 ) center is formed with a through shaft hole (52) for the assembly of the rotation axis of the motor or generator (not shown in the figure), and the two ends of the silicon steel sheet group (51) are respectively provided with a fan blade group (54) , the blade group (54) is fixed on the surface of the outermost silicon steel sheet at both ends of the silicon steel sheet group (51) by a ring seat sheet (55), and each of the fan blade groups (54) is fixed on the ring seat sheet ( 55) A plurality of blades (56) are respectively formed on the surface outward; and the feature of this creation is shown in Figure 3, Figure 4 and Figure 5, the fan blade group (54) at the two ends of the rotor (50) is made of aluminum and the height (A1) of the ring seat piece (55) of the fan blade group (54) does not exceed a quarter of the height (A2) of the blade (56), and the ring seat piece (55) has A pair of inner ring edges (551) corresponding to the shaft hole (52) of the silicon steel sheet group (51) and a pair of outer ring edges (552) corresponding to the outer diameter of the rotor (50), and the outer ring edge of the ring seat sheet (55) (552) outer diameter is smaller than the turn The outer diameter of the child (50), and the inner and outer ring edges (551, 552) of the ring seat (55) are respectively arc-shaped to reduce the weight of the fan blade group (54) and allow the air flow to flow smoothly. Moreover, each of the blades (56) has a pair of inner end surfaces (561) of the inner edge (551) of the ring seat (55) and a pair of outer edges (552) of the outer ring (55) of the ring seat (55). end face (562), wherein the outer ring edge (552) of the ring seat (55) is flush with the outer end face (562) of each blade (56), and the inner ring edge (551) of the ring seat (55) ) is retracted, so that the inner diameter of the inner ring edge (551) of the ring seat (55) is greater than the inner diameter of the space enclosed by the inner end surface (561) of each of the blades (56), so that the ring seat (55) The width (L1) of each blade (56) is less than the width (L2) of each blade (56), and the width (L1) of the ring seat piece (55) of the fan blade group (54) does not exceed the width (L1) of each blade (56) Three-quarters, to reduce the volume of the ring seat sheet (55); thereby, a light-weight motor rotor structure that can reduce weight and improve operating efficiency is formed.

Through the aforementioned structural design, when the lightweight motor rotor structure of the present invention is used in practice, as shown in Figure 3, Figure 4 and Figure 5, the aluminum fan blades (54) at both ends of the rotor (50) are utilized. ) The height (A1) and width (L1) of the ring seat sheet (55) can be greatly reduced, so that the overall weight of the rotor (50) is light, so when the rotor (50) rotates at a high speed, due to the rotor ( 50) can effectively reduce the load of the rotor (50) when it rotates at a high speed, thereby reducing the energy consumption of its operation, and at the same time improving the energy conversion efficiency, which can further effectively save operating costs and achieve the effects of energy saving and cost reduction .

In summary, it can be understood that this creation is a new creation with excellent creativity. In addition to effectively solving the problems faced by practitioners, it also greatly improves the efficacy, and there is no identical or similar product creation in the same technical field. Or open use, and at the same time have the enhancement of efficacy, so this creation has met the requirements of "novelty" and "progressiveness" of a new patent, and an application for a new patent is filed according to law.

50: rotor

51: Silicon steel sheet group

52: shaft hole

54:Fan blade group

55: ring seat piece

551: inner ring edge

552: outer ring edge

56: blade

561: inner end face

562: Outer end face

A-A: blade section direction line

Claims (4)

A light-weight motor rotor structure, the rotor has a silicon steel sheet group composed of a plurality of silicon steel sheets laminated together, and a through shaft hole is formed in the center of the silicon steel sheet group, a fan blade group is provided at both ends of the rotor, and the fan blade The group is fixed on both ends of the rotor by a ring seat, and the fan blade group is respectively formed with a plurality of blades on the surface of the ring seat; wherein: the fan blade group is made of aluminum, and the fan blade The height of the ring seat piece of the group is not more than 1/4 of the height of each blade, the ring seat piece has an inner ring edge and an outer ring edge, and each of the blades has a pair of ring seat piece inner ring edges. The end surface and the outer end surface of the outer ring edge of the corresponding ring seat piece, and the inner ring edge of the ring seat piece is indented compared with the inner end surface of the blades, and the width of the ring seat piece does not exceed the width of the blades three-quarters of. The light-weight motor rotor structure as described in Claim 1, wherein the ring seat has a pair of inner rings of the shaft hole of the silicon steel sheet group and a pair of outer rings of the outer diameter of the rotor, and the ring seat The inner and outer rings are respectively arc-shaped. The light-weight motor rotor structure according to claim 1, wherein the outer diameter of the outer ring edge of the ring seat sheet is smaller than the outer diameter of the rotor. The lightweight motor rotor structure according to any one of claim 1, 2 or 3, wherein the outer ring edge of the ring seat is flush with the outer end surface of each blade.

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