CN209982202U - Rotor for microwave oven motor - Google Patents

Abstract

The utility model discloses a rotor for microwave oven motor in the technical field of motor, which comprises an iron core, wherein the front and back of the front side of the iron core are provided with shaft holes through, the front and back ends of a rotating shaft are fixedly provided with connecting bearings, the left and right sides of the top of a driving component are symmetrically and movably provided with elastic sheets, two groups of the elastic sheets are fixedly provided with pressing sheets at the opposite ends, and a magnetic block connecting cavity is formed between the adjacent two groups of driving components and the space on the iron core, the driving component is provided to conveniently adjust the fixed position according to the specification of the magnetic block, the arranged elastic sheets are L-shaped to provide resetting force for the pressing sheets, so that the pressing sheets tightly fix the magnetic block, when being disassembled, only a rotating rod needs to be rotated, the elastic sheets at the left and right sides drive the pressing sheets to be away from each other, the service life is long, and, the practicability is high.

Description

Rotor for microwave oven motor

Technical Field

The utility model relates to the technical field of motors, specifically a microwave oven is rotor for motor.

Background

The rotor is a part which is matched with a stator to realize magnetic line cutting, is a rotating part in a motor and mainly used for generating a rotating magnetic field, and is cut by the magnetic line in the rotating magnetic field to further generate (output) current.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a microwave oven is rotor for motor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rotor for microwave oven motor comprises an iron core, wherein the iron core is uniformly provided with winding slots, the iron core is uniformly provided with wiring ports, and the wiring port is positioned at the inner side of the winding slot, the center of the front side of the iron core is provided with a shaft hole in a front-back penetrating way, a rotating shaft is movably arranged in the shaft hole, the front end and the rear end of the rotating shaft are both fixedly provided with connecting bearings, the outer wall of the iron core is uniformly provided with arc-shaped fixed blocks through screws, the outer wall of one side of the arc-shaped fixed block, which is far away from the iron core, is fixedly provided with driving components with the same structure, elastic sheets are symmetrically and movably arranged at the left side and the right side of the top of the driving assembly, pressing sheets are fixedly arranged at the opposite ends of two groups of elastic sheets, a magnetic block connecting cavity is formed between the adjacent two groups of driving assemblies and the space on the iron core, the iron core is evenly provided with heat dissipation openings, and the heat dissipation openings are located between the two adjacent groups of winding grooves.

Further, drive assembly is including the fixed hollow block of assembly that sets up the rectangle at the arc fixed block outer wall, the horizontal activity in the hollow block inner chamber middle part of assembly is provided with two-way lead screw, the hollow block top of assembly is pegged graft and is provided with the dwang, the dwang is located two-way lead screw front side, the dwang bottom is through bearing and the hollow block rear end inner wall swing joint of assembly, the dwang outer wall has cup jointed the scroll bar, the fixed turbine that is provided with the scroll bar meshing in two-way lead screw outer wall middle part, the equal screw thread in two-way lead screw outer wall left and right sides has cup jointed the movable block, and controls the hollow block top of side all to run through the hollow block of assembly and be connected with the flexure strip on left and.

Further, two sets of the movable block bottom all is provided with the slider, and assembles hollow block bottom inner wall and be provided with the horizontal spout that matches with the slider, and in the slider embedding horizontal spout.

Furthermore, the vertical section of the elastic sheet is L-shaped, and the top surfaces and the bottom surfaces of the elastic sheet and the pressing sheet are both arc-shaped.

Furthermore, fixed screw holes are formed in the tops of the movable blocks, and the elastic pieces are fixedly connected with the movable blocks through fixing bolts.

Furthermore, arc-shaped grooves are uniformly distributed on the inner wall of a shaft hole which is formed in the center of the front side of the iron core in a penetrating mode, and the shaft hole is a flower-shaped hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses be provided with drive assembly, fixed position is adjusted according to the specification of magnetic path to the convenience, and the flexure strip of setting is L shape, provides the power that resets for the preforming to make the preforming tightly fix the magnetic path, when dismantling, only need rotate the dwang, make the flexure strip on left and right sides drive the flexure strip each other can, life is high, and the flexure strip adopts bolt and movable block fixed connection simultaneously, and the convenience is changed according to the use needs, and the utility model discloses use practicality is high, simultaneously the utility model discloses inner wall evenly distributed has the arc wall in the shaft hole, makes the shaft hole form flower shape hole, guarantees that the contact surface is interference fit, compares original full surface contact, has reduced the frictional contact area of iron core with the axle, has also reduced the production quantity of metal clastic when assembling simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the driving assembly of the present invention.

In the figure: 1. an iron core; 2. a winding slot; 3. a wiring port; 4. a rotating shaft; 5. connecting a bearing; 6. a heat dissipation port; 7. an arc-shaped fixed block; 8. a drive assembly; 81. assembling the hollow block; 82. a bidirectional lead screw; 83. a movable block; 84. a scroll bar; 85. a turbine; 86. rotating the rod; 87. mounting a screw hole; 9. an elastic sheet; 10. tabletting; 11. the magnetic block is connected with the cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a rotor for a microwave oven motor comprises an iron core 1, wherein the iron core 1 is cylindrical and is made of 40 chromium steel, winding grooves 2 are uniformly formed in the iron core 1 and used for winding wires required by the rotor therein to form a conductor, wiring ports 3 are uniformly formed in the iron core 1 and are positioned on the inner sides of the winding grooves 2 and used for wiring other components, shaft holes are formed in the front and back of the center of the front side of the iron core 1 and used for being in interference connection with a main shaft, a rotating shaft 4 is movably arranged in the shaft holes, connecting bearings 5 are fixedly arranged at the front end and the rear end of the rotating shaft 4, arc-shaped fixing blocks 7 are uniformly and fixedly arranged on the outer wall of the iron core 1 through screws, a driving assembly 8 with the same structure is fixedly arranged on the outer wall of one side, away from the iron core 1, of the arc-shaped fixing blocks 7 is fixedly provided with a driving assembly 8 used for, two sets of flexure strips 9 are carried on the back the other hand one end and are all fixed and be provided with preforming 10, and the space formation magnetic path between adjacent two sets of drive assembly 8 and on the iron core 1 is connected chamber 11, plays transitional coupling's effect, has evenly seted up heat dissipation opening 6 on the iron core 1, and heat dissipation opening 6 is located between adjacent two sets of wire winding grooves 2.

As shown in fig. 2: the driving assembly 8 comprises a rectangular assembly hollow block 81 fixedly arranged on the outer wall of the arc-shaped fixed block 7, a bidirectional screw 82 is transversely movably arranged in the middle of an inner cavity of the assembly hollow block 81 and used for driving the elastic sheets 9 on the left side and the right side to approach or separate from each other, a rotating rod 86 is inserted into the top of the assembly hollow block 81 and positioned on the front side of the bidirectional screw 82, the bottom end of the rotating rod 86 is movably connected with the inner wall of the rear end of the assembly hollow block 81 through a bearing, a worm 84 is sleeved on the outer wall of the rotating rod 86 and used for driving the bidirectional screw 82 to rotate, a worm wheel 85 meshed with the worm wheel 84 is fixedly arranged in the middle of the outer wall of the bidirectional screw 82, movable blocks 83 are respectively sleeved on the left side and the right side of the outer wall of the bidirectional screw 82 in a threaded manner, the tops of the left and right side, restricting the movement position of the movable block 83;

as shown in fig. 2: the bottoms of the two groups of movable blocks 83 are provided with sliding blocks, the inner wall of the bottom of the assembling hollow block 81 is provided with a transverse sliding chute matched with the sliding blocks, and the sliding blocks are embedded in the transverse sliding chutes, so that the movable blocks 83 are prevented from being driven to rotate by the bidirectional screw rod 82;

as shown in fig. 1: the vertical section of the elastic sheet 9 is L-shaped, and the top surfaces and the bottom surfaces of the elastic sheet 9 and the pressing sheet 10 are both arc-shaped, so that the magnetic block is conveniently fixed;

as shown in fig. 2: the top of the movable block 83 is provided with a fixed screw hole, and the elastic sheet 9 is fixedly connected with the movable block 83 through a fixed bolt, so that the movable block is convenient to disassemble, assemble and replace;

as shown in fig. 1: the inner wall of the shaft hole which is provided with the arc-shaped grooves which are uniformly distributed on the central front and back of the front side of the iron core 1 is provided with the flower-shaped holes, the contact surface is in interference fit, the original full-surface contact is compared, the friction contact area of the iron core 1 and the shaft is reduced, and the quantity of metal fragments generated during assembly is also reduced.

Example (b): during the use, twine on iron core 1 with the necessary wiring of rotor through wire winding groove 2 and wiring mouth 3, pass through the shaft hole with iron core 1 again and connect in pivot 4, when placing the magnetic path, rotate dwang 86, the cooperation through scroll bar 84 and turbine 85 makes two-way lead screw 82 rotate, thereby make the flexure strip 9 on left and right sides drive preforming 10 and be close to each other, put into the magnetic path with the magnetic path and connect in the chamber 11, outside pulling preforming 10, reverse rotation dwang 86 again, make the flexure strip 9 on left and right sides drive preforming 10 and keep away from each other, according to the specification of magnetic path, adjust suitable position, loosen preforming 10, flexure strip 9 drives preforming 10 and resets and compresses tightly the magnetic path and fix.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A rotor for a microwave oven motor, comprising an iron core (1), characterized in that: the iron core (1) is uniformly provided with a winding groove (2), the iron core (1) is uniformly provided with a wiring port (3), the wiring port (3) is positioned at the inner side of the winding groove (2), the center of the front side of the iron core (1) is penetrated and provided with a shaft hole, a rotating shaft (4) is movably arranged in the shaft hole, the front end and the rear end of the rotating shaft (4) are fixedly provided with connecting bearings (5), the outer wall of the iron core (1) is uniformly provided with arc-shaped fixed blocks (7) through screws, the outer wall of one side of each arc-shaped fixed block (7) far away from the iron core (1) is fixedly provided with driving components (8) with the same structure, the left side and the right side of the top of each driving component (8) are symmetrically and movably provided with elastic sheets (9), one end of each other of each two groups of the elastic sheets (9) is fixedly provided with a, heat dissipation opening (6) have evenly been seted up on iron core (1), and heat dissipation opening (6) are located between adjacent two sets of wire winding grooves (2).

2. A rotor for a microwave oven motor according to claim 1, wherein: the drive assembly (8) comprises an assembly hollow block (81) fixedly arranged on the rectangle of the outer wall of the arc-shaped fixed block (7), a bidirectional screw rod (82) is transversely movably arranged in the middle of the inner cavity of the assembly hollow block (81), a rotating rod (86) is inserted into the top of the assembly hollow block (81), the rotating rod (86) is positioned on the front side of the bidirectional screw rod (82), the bottom end of the rotating rod (86) is movably connected with the inner wall of the rear end of the assembly hollow block (81) through a bearing, a worm rod (84) is sleeved on the outer wall of the rotating rod (86), a turbine (85) meshed with the worm rod (84) is fixedly arranged in the middle of the outer wall of the bidirectional screw rod (82), movable blocks (83) are sleeved on the left side and the right side of the outer wall of the bidirectional screw rod (82) in a threaded manner, the tops of the left side and the right side movable, the assembly hollow block (81) is provided with a through hole matched with the movable block (83).

3. A rotor for a microwave oven motor according to claim 2, wherein: two sets of movable block (83) bottom all is provided with the slider, and assembles hollow block (81) bottom inner wall and be provided with the horizontal spout that matches with the slider, and in the slider embedding horizontal spout.

4. A rotor for a microwave oven motor according to claim 1, wherein: the vertical section of the elastic piece (9) is L-shaped, and the top surfaces and the bottom surfaces of the elastic piece (9) and the pressing piece (10) are both arc-shaped.

5. A rotor for a microwave oven motor according to claim 2, wherein: fixed screw holes are formed in the tops of the movable blocks (83), and the elastic pieces (9) are fixedly connected with the movable blocks (83) through fixing bolts.

6. A rotor for a microwave oven motor according to claim 1, wherein: arc-shaped grooves are uniformly distributed on the inner wall of a shaft hole which is formed in the center of the front side of the iron core (1) in a front-back penetrating mode, and the shaft hole is a flower-shaped hole.

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