Light and thin shaded pole motor

Abstract

According to the light and thin shaded pole motor, the avoiding grooves are formed in the two end faces of the rotor body, and the diameter of the avoiding grooves is larger than that of the bearing chambers of the support, so that after the support is fixed to the stator body, the bearing chambers can be embedded into the avoiding grooves, and the bearing chambers can sink into the avoiding grooves to share the space with the rotor body; therefore, the support can be made to be shorter, the height of the support on the two faces is reduced, the whole shaded pole motor is lighter and thinner, the size is reduced, and lightweight design of products is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of shaded pole motor, especially relates to a light and thin shaded pole motor. BACKGROUND

[0002] The shaded pole motor is also called shaded pole motor, and is one kind of single-phase alternating current motor, and the shaded pole motor comprises a stator body, a rotor body and a winding coil, in order to fix the rotor body, a support is arranged on the two side faces of the stator body, a bearing chamber is formed in the support for fixing a bearing, the bearing is connected with the two ends of the rotor body, so that the rotor can be driven to rotate on the stator body, but the bearing chamber of the support of all the shaded pole motors in the industry is higher than the end face of the rotor body, so that the two components do not interfere with each other and the normal rotation of the rotor body is not affected, which causes the support part at the two ends to be high, thereby increasing the thickness of the whole machine, resulting in a large volume of the whole machine and occupying a large space, which is not convenient for the lightweight design of the product. SUMMARY

[0003] (I) Utility Model Objectives

[0004] In order to overcome the above shortcomings, the purpose of the utility model is to provide a light and thin shaded pole motor, so as to solve the technical problem that the thickness of the whole machine of the existing shaded pole motor is thick, the volume is large, a large space is occupied, and the lightweight design of the product is not convenient.

[0005] (II) Technical Solutions

[0006] In order to achieve the above-mentioned purpose, the technical solutions provided by the present application are as follows:

[0007] A light and thin shaded pole motor comprises a stator body provided with a first mounting groove, a rotor body rotatably arranged in the first mounting groove, two avoiding grooves formed by inwardly recessing the two ends of the rotor body, two supports arranged on the two sides of the stator body, a bearing chamber with a diameter smaller than the avoiding groove and capable of being embedded in the avoiding groove arranged on each support at a position corresponding to the avoiding groove, and a bearing arranged in the bearing chamber and rotatably matched with the rotor body.

[0008] The present application is characterized in that the avoiding grooves are formed on the two end faces of the rotor body, the diameter of the avoiding grooves is larger than the diameter of the bearing chamber of the support, so that the bearing chamber can be embedded in the avoiding groove after the support is fixed to the stator body, the bearing chamber can sink into the avoiding groove to realize space sharing with the rotor body, and the two components do not interfere with each other, so that the support can be made lower, the height of the two supports is reduced, the whole shaded pole motor is lighter and thinner, the volume is reduced, and the lightweight design of the product is facilitated.

[0009] In some embodiments, the depth of the avoiding groove is consistent with the height of the bearing chamber.

[0010] This allows the bearing housing to be completely lowered to a position coplanar with both ends of the rotor body, further enabling the motor to be made thinner and lighter.

[0011] In some embodiments, the bracket includes a fixing part that is horizontally provided with a bearing chamber and two locking parts that are respectively provided at both ends of the fixing part and extend vertically.

[0012] In some embodiments, the rotor body includes a rotor and a rotating shaft vertically passing through the rotor, wherein the rotating shaft passes into a bearing and rotates with the bearing.

[0013] In some embodiments, the locking part is provided with a threaded hole.

[0014] In some embodiments, a stepped second mounting groove for mounting springs and oil-absorbing felt is provided on the inner side wall of the bearing chamber. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the lightweight shaded pole motor of this utility model;

[0016] Figure 2 This is a cross-sectional view of the lightweight shaded pole motor of this utility model;

[0017] Figure 3 This is an exploded view of the lightweight shaded-pole motor of this utility model.

[0018] Figure 4 This is a schematic diagram of the rotor body in the lightweight shaded pole motor of this utility model;

[0019] Figure 5 This is a cross-sectional view of the rotor body in the lightweight shaded pole motor of this utility model.

[0020] Figure 6 This is a schematic diagram of the support structure in the lightweight shaded pole motor of this utility model.

[0021] Figure label:

[0022] 1. Stator body; 101. First mounting slot; 2. Rotor body; 201. Rotating shaft; 202. Rotor; 2021. Clearance slot; 3. Bracket; 301. Fixing part; 302. Locking part; 303. Bearing chamber; 3031. Second mounting slot. Detailed Implementation

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly understood, the utility model will be further described in detail below with specific embodiments and with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of the known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0024] The utility model provides a kind of light and thin cover pole motor, comprising: the stator main body 1 being opened with first installation groove 101, the winding coil being set on stator main body 1, rotatably set in the first installation groove 101 inside rotator body 2, the two ends of rotator body 2 are respectively inward recessed and form two avoidance grooves 2021, two supports 3 are respectively set on the both sides of stator main body 1, the bearing chamber 303 of the diameter less than avoidance groove 2021 for embedding into avoidance groove 2021 is set on each support 3 at the position corresponding to avoidance groove 2021, bearing is set in bearing chamber 303 and rotates with rotator body 2.

[0025] Specifically, rotator body 2 includes: cast aluminum rotor 202 and rotating shaft 201 passing through cast aluminum rotor 202, bearing is installed in the bearing chamber 303 of support 3, rotating shaft 201 can rotate on stator body 1 by passing through bearing, and stator body 1 is provided with winding coil.

[0026] Specifically, the two end faces of cast aluminum rotor 202 are provided with concave avoidance grooves 2021, after installing support 3, bearing chamber 303 can be embedded into avoidance groove 2021, bearing chamber 303 can sink into avoidance groove 2021 and realize space sharing with rotator body 2, and they do not interfere with each other (obstruct the rotation of rotor 202), so that support 3 can be made shorter, the height of two supports 3 is reduced, the entire cover pole motor is lighter and thinner, the volume is reduced, and it is beneficial to the lightweight design of product.

[0027] Preferably, the depth of avoidance groove 2021 can be set to be consistent with the height of bearing chamber 303, so that bearing chamber 303 can completely sink to the position coplanar with the two end faces of rotator body 2, and the motor is further made lighter and thinner.

[0028] Specifically, support 3 includes horizontal fixed part 301 provided with bearing chamber 303 and two locking parts 302 respectively provided at both ends of fixed part 301, bearing chamber 303 is arranged at the middle position of fixed part 301, locking part 302 extends vertically and is provided with threaded hole, and detachable connection is realized with stator main body 1.

[0029] Specifically, a second installation groove 3031 for installing spring and oil absorbing felt is formed on the inner wall of bearing chamber 303 in a stepped manner. The spring is used for fixing the bearing, and the oil absorbing felt can supply oil to the bearing.

[0030] Specifically, the depth and diameter of the avoidance groove 2021 need to be adjusted according to the required matching speed point of the motor. Based on the matching speed point, theoretically, the deeper the depth of the avoidance groove 2021 is, the smaller (high and small) the diameter of the avoidance groove 2021 needs to be set, so that the limit value of the speed of the rotor body 2 under load will be higher, but insufficient driving force will result in slow speed climbing. On the contrary, if the depth of the avoidance groove 2021 is shallower, the diameter of the avoidance groove 2021 needs to be set larger (short and large), which is better in the relatively low speed area, and the speed climbing is fast, but the depth of the avoidance groove 2021 also corresponds to the frequency of the power supply, generally 50 Hz frequency corresponds to small and high, 60 Hz frequency corresponds to short and large, but this is only a general design, and there are also high and large matching requirements for some different speeds.

[0031] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A thin and light shielded motor, characterized by, Include: The stator body (1) is provided with a first installation groove (101), the rotor body (2) is rotatably arranged in the first installation groove (101), both ends of the rotor body (2) are respectively inwardly recessed to form two avoiding grooves (2021), two supports (3) are respectively arranged on both sides of the stator body (1), each of the supports (3) is provided with a bearing chamber (303) with a diameter smaller than the avoiding groove (2021) and capable of being embedded in the avoiding groove (2021) at a position corresponding to the avoiding groove (2021), and a bearing is arranged in the bearing chamber (303) and rotatably matched with the rotor body (2).

2. The thin- and light- shielded pole motor according to claim 1, wherein, The depth of the avoiding groove (2021) is consistent with the height of the bearing chamber (303).

3. The thin- and light- shielded pole motor of claim 1, wherein, The support (3) includes a fixed part (301) provided with the bearing chamber (303) in the transverse direction and two locking parts (302) respectively arranged at both ends of the fixed part (301) and extending in the vertical direction.

4. The thin- and light- shielded pole motor of claim 1, wherein, The rotor body (2) includes a rotor (202) and a rotating shaft (201) vertically penetrating the rotor (202), wherein the rotating shaft (201) penetrates into the bearing and is rotatably matched with the bearing.

5. The thin- and light- shielded pole motor of claim 3, wherein, Threaded holes are formed in the locking parts (302).

6. The thin-pancake motor of claim 1, wherein, A second installation groove (3031) for installing a spring and an oil absorbing felt is formed in the inner wall of the bearing chamber (303) in a stepped manner.

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