Interpolated permanent magnet glue blocking structure

Abstract

The utility model relates to the technical field of motor assembly, in particular to an internally-inserted permanent magnet glue blocking structure which can collect overflowing glue in a bonding groove, prevent the overflowing glue from flowing and bonding all around, guarantee normal use of a motor and is high in reliability and practicability. Comprising a rotor iron core and a plurality of permanent magnets, a plurality of bonding grooves which are communicated up and down are formed in the circumference of the rotor iron core, and the permanent magnets are bonded and fixed in the bonding grooves respectively; the motor also comprises a rubber blocking plate which is installed at the lower end of the rotor iron core.

Description

Technical Field

[0001] The utility model relates to the technical field of motor assembly, in particular to an in - serted permanent magnet glue - blocking structure. Background Art

[0002] When assembling the rotor core assembly on the motor, the permanent magnet needs to be adhesively fixed in the slots installed in the rotor core through glue. In order to ensure good magnetic flux of the permanent magnet on the iron core, the gap at the mating part between the permanent magnet and the rotor core assembly is very small. During the bonding process, glue overflow will occur and adhere to various parts of the iron core. When the rotor core is used in the motor, due to high - speed rotation, the overflow glue will fall off to various parts of the motor, which will affect the performance of the motor. Summary of the Utility Model

[0003] To solve the above - mentioned technical problems, the utility model provides an in - serted permanent magnet glue - blocking structure which can collect the overflow glue in the bonding slots, prevent the overflow glue from flowing around and sticking, ensure the normal use of the motor, and has high reliability and practicability.

[0004] The in - serted permanent magnet glue - blocking structure of the utility model includes a rotor core and a plurality of permanent magnets. A plurality of vertically - communicating bonding slots are circumferentially arranged on the rotor core, and the plurality of permanent magnets are respectively adhesively fixed in the plurality of bonding slots; it also includes a glue - blocking plate which is installed at the lower end of the rotor core. Through the above - mentioned setting, when the permanent magnet is adhesively fixed in the bonding slot and the rotor core is used in the motor, the overflow glue will gradually fall onto the glue - blocking plate through the bonding slot under the action of gravity for collection, preventing the overflow glue from flowing around and sticking, ensuring the normal use of the motor, and having high reliability and practicability; the number of the bonding slots and the permanent magnets is preferably 6.

[0005] Preferably, a plurality of buckles are arranged at the upper end of the glue - blocking plate, and the plurality of buckles are circumferentially and evenly distributed on the glue - blocking plate. A plurality of buckles are arranged at the lower end of the rotor core, and the plurality of buckles are used in cooperation with the plurality of buckles; when assembling the glue - blocking plate and the rotor core, the plurality of buckles on the glue - blocking plate are inserted into the plurality of buckles on the rotor core, which facilitates the positioning and installation of the glue - blocking plate, makes the stress of each part of the glue - blocking plate uniform, and fixes and installs the glue - blocking plate on the rotor core through the buckles; the number of the buckles is preferably 6.

[0006] Preferably, it further includes a plurality of positioning columns. A plurality of positioning holes are arranged on the rotor core, and the plurality of positioning columns are respectively inserted into the plurality of positioning holes of the rotor core, and the plurality of positioning columns are fixedly installed at the upper end of the glue - blocking plate. Through the above - mentioned setting, it is convenient for the positioning of the glue - blocking plate and the rotor core during installation.

[0007] Preferably, a plurality of glue storage grooves are provided on the glue baffle, and the plurality of glue storage grooves are respectively located below the plurality of bonding grooves; through the above setting, the overflow glue in the bonding groove falls into the glue storage groove under the action of gravity for collection, which facilitates the collection of glue; the number of the glue storage grooves is preferably 6.

[0008] Preferably, the side wall of the glue storage groove is an inclined surface, and the area of the upper opening of the glue storage groove is larger than the area of the lower end surface of the glue storage groove; the angle of the inclined surface on the side wall of the glue storage groove is 10 degrees; through the above setting, it is convenient to collect the glue in the glue storage groove.

[0009] Preferably, protrusions are provided in the plurality of glue storage grooves, and the protrusions are fixedly installed in the glue storage grooves; when the permanent magnet is installed on the rotor core, when the glue is not completely cured, the permanent magnet is supported by the protrusions, and the permanent magnet is supported and positioned, which facilitates the installation of the permanent magnet.

[0010] Preferably, the shapes of the positioning posts and the positioning holes on the rotor core are both conical; through the above setting, it is convenient for the positioning posts to be inserted into the positioning holes on the rotor core, improving the convenience.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the overflow glue in the bonding groove can be collected, preventing the overflow glue from flowing around and sticking, ensuring the normal use of the motor, and having high reliability and practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is an exploded view of the present invention;

[0013] Figure 2 is a schematic structural diagram of the glue baffle;

[0014] Figure 3 is Figure 2 a partially enlarged schematic structural diagram of part A in

[0015] Figure 4 is an isometric structural schematic diagram of the present invention;

[0016] Figure 5 is a front view structural schematic diagram of the present invention.

[0017] Reference numerals in the drawings: 1, rotor core; 2, permanent magnet; 3, bonding groove; 4, glue baffle; 5, buckle; 6, positioning post; 7, glue storage groove; 8, protrusion. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

[0019] Embodiment

[0020] As Figures 1 to 5 , the inserted permanent magnet glue blocking structure of the present utility model includes a rotor core 1, a glue blocking plate 4 and a plurality of permanent magnets 2. A plurality of vertically communicating bonding grooves 3 are circumferentially arranged on the rotor core 1, and the plurality of permanent magnets 2 are respectively bonded and fixed in the plurality of bonding grooves 3. The glue blocking plate 4 is installed at the lower end of the rotor core 1. Through the above settings, when the permanent magnets 2 are bonded and fixed in the bonding grooves 3, when the rotor core 1 is used in the motor, the overflow glue will gradually fall onto the glue blocking plate 4 through the bonding grooves 3 under the action of gravity for collection, preventing the overflow glue from flowing around and sticking, ensuring the normal use of the motor, and having high reliability and practicability. The number of the bonding grooves 3 and the permanent magnets 2 is preferably 6.

[0021] As Figure 1 and Figure 2 , a plurality of buckles 5 are arranged at the upper end of the glue blocking plate 4, and the plurality of buckles 5 are evenly distributed circumferentially on the glue blocking plate 4. A plurality of bayonets are arranged at the lower end of the rotor core 1, and the plurality of buckles 5 are used in cooperation with the plurality of bayonets. When assembling the glue blocking plate 4 and the rotor core 1, the plurality of buckles 5 on the glue blocking plate 4 are inserted into the plurality of bayonets on the rotor core 1, which facilitates the positioning and installation of the glue blocking plate 4, makes the force on each part of the glue blocking plate 4 uniform, and fixes and installs the glue blocking plate 4 on the rotor core 1 through the buckles 5. The number of the buckles 5 is preferably 6.

[0022] As Figure 2 , a plurality of positioning holes are arranged on the rotor core 1, and a plurality of positioning columns 6 are respectively inserted into the plurality of positioning holes of the rotor core 1, and the plurality of positioning columns 6 are fixedly installed at the upper end of the glue blocking plate 4. Through the above settings, it is convenient for the positioning of the glue blocking plate 4 and the rotor core 1 during installation.

[0023] As Figure 1 , a plurality of glue storage grooves 7 are arranged on the glue blocking plate 4, and the plurality of glue storage grooves 7 are respectively located below the plurality of bonding grooves 3. Through the above settings, the overflow glue in the bonding grooves 3 falls into the glue storage grooves 7 under the action of gravity for collection, which facilitates the collection of the glue. The number of the glue storage grooves 7 is preferably 6.

[0024] The side wall of the glue storage groove 7 is an inclined surface, and the area of the upper opening of the glue storage groove 7 is larger than the area of the lower end surface of the glue storage groove 7. The angle of the inclined surface on the side wall of the glue storage groove 7 is 10 degrees. Through the above settings, it is convenient for the collection of the glue in the glue storage groove 7.

[0025] As Figure 2 and Figure 3, projections 8 are provided in multiple glue storage grooves 7, and the projections 8 are fixedly installed in the glue storage grooves 7; when the permanent magnet 2 is installed on the rotor core 1, when the glue is not yet cured, the permanent magnet 2 is supported by the projections 8, and the permanent magnet 2 is supported and positioned, which facilitates the installation of the permanent magnet 2.

[0026] The shapes of the positioning posts 6 and the positioning holes on the rotor core 1 are both conical; through the above settings, it is convenient for the positioning posts 6 to be inserted into the positioning holes on the rotor core 1, improving the convenience.

[0027] The glue blocking plate 4 and the permanent magnet 2 of the internal plug-in permanent magnet glue blocking structure of the present utility model are both purchased on the market, and those skilled in the art only need to install and operate according to the attached user manual, without the need for those skilled in the art to perform creative labor.

[0028] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. An interpolation type permanent magnet rubber blocking structure, comprising a rotor core (1) and a plurality of permanent magnets (2), wherein a plurality of bonding grooves (3) communicating up and down are circumferentially arranged on the rotor core (1), and the plurality of permanent magnets (2) are respectively bonded and fixed in the plurality of bonding grooves (3); characterized in that, It further includes a rubber baffle (4), and the rubber baffle (4) is installed at the lower end of the rotor core (1).

2. The interpolation type permanent magnet rubber baffle structure according to claim 1, wherein A plurality of buckles (5) are provided at the upper end of the rubber baffle (4), and the plurality of buckles (5) are evenly distributed in a circumferential direction on the rubber baffle (4). A plurality of bayonets are provided at the lower end of the rotor core (1), and the plurality of buckles (5) are used in cooperation with the plurality of bayonets.

3. The interpolation type permanent magnet rubber baffle structure according to claim 2, characterized in that, It further includes a plurality of positioning posts (6). A plurality of positioning holes are provided on the rotor core (1), and the plurality of positioning posts (6) are respectively inserted into the plurality of positioning holes of the rotor core (1). The plurality of positioning posts (6) are fixedly installed at the upper end of the rubber baffle (4).

4. The interpolation type permanent magnet rubber blocking structure according to claim 1, wherein A plurality of glue storage grooves (7) are provided on the rubber baffle (4), and the plurality of glue storage grooves (7) are respectively located below the plurality of bonding grooves (3).

5. The interpolation type permanent magnet rubber baffle structure according to claim 4, characterized in that The side wall of the glue storage groove (7) is an inclined surface, and the area of the upper opening of the glue storage groove (7) is larger than the area of the lower end surface of the glue storage groove (7).

6. The insert type permanent magnet rubber stop structure according to claim 4, wherein Protrusions (8) are provided in the plurality of glue storage grooves (7), and the protrusions (8) are fixedly installed in the glue storage grooves (7).

7. The interpolation type permanent magnet rubber blocking structure according to claim 3, characterized in that, The shapes of the positioning posts (6) and the positioning holes on the rotor core (1) are both conical.

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