Injection molding magnet structure for motor

Abstract

The utility model discloses an injection-molded magnet structure for a motor, and particularly relates to the technical field of injection-molded magnet structures, the injection-molded magnet structure comprises a motor shell, an outer sleeve shell and an injection-molded magnet main body, the inner side wall of the motor shell is provided with a through groove, the outer side wall of the motor shell is provided with the outer sleeve shell, and the outer sleeve shell is internally provided with a slot. And an injection molding magnetic main body is arranged in the slot. According to the utility model, through the arrangement of the slot, during installation, the injection-molded magnetic main body can be clamped into the slot at the inner side of the outer sleeve shell for installation, then the locking bolt at the outer side of the outer sleeve shell is tightened, the pressing plate is pushed to press the surface of the injection-molded magnetic main body, and the injection-molded magnetic main body is fixed in the slot, so that the fixed installation operation of the injection-molded magnetic main body is realized; when the locking bolt is screwed to be loose, the pressing plate loosens the fixation of the injection molding magnetic body, and at the moment, the injection molding magnetic body can be pulled out of the slot, so that the injection molding magnetic body of the injection molding magnet structure for the motor is convenient to disassemble, assemble and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of injection-molded magnet structures, in particular to an injection-molded magnet structure for a motor. Background Art

[0002] Injection molded magnets are a type of permanent magnet made of magnetic powder and adhesive, called injection molded magnets. Like plastic products, injection molding can produce magnets with complex shapes. The molded parts have unique size, shape, magnetic properties and mechanical properties. This device is an injection molded magnet structure for motors.

[0003] The injection-molded magnet structure for motors is inconvenient to disassemble and maintain the injection-molded magnet body, so it needs to be improved to make it more convenient to use. Utility Model Content

[0004] The utility model aims to provide an injection molded magnet structure for a motor, so as to solve the problem in the above-mentioned background technology that the injection molded magnet structure for a motor is not convenient for disassembly, assembly and maintenance of the injection molded magnet body.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection molded magnet structure for a motor, comprising a motor shell, an outer shell and an injection molded magnet body, the inner wall of the motor shell is provided with a through groove, the outer wall of the motor shell is installed with an outer shell, the inner wall of the outer shell is fixed with a partition, the interior of the outer shell is provided with a slot, the interior of the slot is provided with an injection molded magnet body, the outer wall of the outer shell is provided with a locking groove, the bottom end of the locking groove is provided with a slide groove, the bottom end of the slide groove extends to the interior of the slot, the interior of the locking groove is provided with a locking bolt, the bottom end of the locking bolt is movably installed with a pressure plate, connecting rings are provided at both ends of the interior of the outer shell, a sealing ring is fixed to one end of the connecting ring, and the outer wall of the sealing ring is provided with an auxiliary hole.

[0006] Preferably, a plurality of the slots are arranged inside the outer shell, and the plurality of the slots are distributed in a ring shape.

[0007] Preferably, the cross-section of the injection-molded magnetic body is smaller than the cross-section of the slot, and the injection-molded magnetic body and the slot form a detachable structure.

[0008] Preferably, the cross section of the pressing plate is smaller than the cross section of the sliding groove, and the pressing plate and the sliding groove form a sliding structure.

[0009] Preferably, an outer side wall of the outer shell is provided with an air slot, a protective plate is installed inside the air slot, a heat dissipation net is installed inside the protective plate, a heat dissipation slot is provided inside the air slot, and a heat dissipation fin is fixed inside the heat dissipation slot.

[0010] Preferably, a plurality of heat sinks are fixed inside the heat sink, and the plurality of heat sinks are distributed in parallel.

[0011] Preferably, the surface of the connecting ring is provided with an external thread, the interior of the outer shell is provided with an internal thread, and the connecting ring is connected to the outer shell via the thread.

[0012] Preferably, four groups of auxiliary holes are provided on the outer side wall of the sealing ring, and the four groups of auxiliary holes are symmetrically distributed.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: by providing a slot, the injection molded magnetic body can be inserted into the slot inside the outer shell for installation, and then the locking bolt on the outer shell is tightened to push the pressure plate to press on the surface of the injection molded magnetic body, so that the injection molded magnetic body is fixed inside the slot, and the fixed installation operation of the injection molded magnetic body is realized; when the locking bolt is loosened, the pressure plate releases the fixation of the injection molded magnetic body, and at this time, the injection molded magnetic body can be pulled out from the slot, so that the injection molded magnetic body can be conveniently disassembled and maintained when the injection molded magnetic body is used for the motor;

[0014] By providing a heat sink, multiple groups of heat sinks are located inside the heat sink slots, and the internal heat is transferred to the outside. After being transferred to the surface of the multiple groups of heat sinks, the outside air flows through the wind slots and the heat sink slots to contact the heat sink, and can take away the heat on the surface of the heat sink, thereby achieving auxiliary heat dissipation of the inside. The heat dissipation net on the outside prevents the operator from being injured by contact with the multiple groups of heat sinks, thereby enhancing the heat dissipation of the injection molded magnet structure for the motor when in use;

[0015] By providing a sealing ring, a connecting ring at the side end of the sealing ring can be connected and installed by cooperating with the thread between the outer shell. The sealing ring is installed at the opening of the side end of the outer shell to prevent debris from entering the outer shell, thereby achieving the protectiveness of the injection molded magnet structure for the motor when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0018] Figure 3 For the utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0019] Figure 4 It is a schematic diagram of the front cross-sectional structure of the heat sink of the utility model.

[0020] In the figure: 1. motor housing; 2. through groove; 3. outer housing; 4. partition; 5. slot; 6. injection molded magnetic body; 7. locking groove; 8. slide groove; 9. locking bolt; 10. pressure plate; 11. air groove; 12. protective plate; 13. heat dissipation net; 14. heat dissipation groove; 15. heat sink; 16. connecting ring; 17. sealing ring; 18. auxiliary hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 , the utility model provides an embodiment: an injection molded magnet structure for a motor, comprising a motor shell 1, an outer shell 3 and an injection molded magnet body 6, the inner side wall of the motor shell 1 is provided with a through slot 2, the outer side wall of the motor shell 1 is installed with an outer shell 3, the inner side wall of the outer shell 3 is fixed with a partition 4, the inner side wall of the outer shell 3 is provided with a slot 5, the slot 5 is provided with a plurality of slots 5 inside the outer shell 3, the plurality of slots 5 are distributed in an annular shape, the inner side of the slot 5 is provided with an injection molded magnet body 6, the cross section of the injection molded magnet body 6 is smaller than the cross section of the slot 5, the injection molded magnet body 6 and the slot 5 form a detachable structure, the outer side wall of the outer shell 3 is provided with a locking groove 7, the bottom end of the locking groove 7 is provided with a slide groove 8, the bottom end of the slide groove 8 extends to the inside of the slot 5, the locking groove 7 is provided with a locking bolt 9, the bottom end of the locking bolt 9 is movably installed with a pressing plate 10, the cross section of the pressing plate 10 is smaller than the cross section of the slide groove 8, the pressing plate 10 and the slide groove 8 form a sliding structure;

[0023] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, when in use, after the injection-molded magnetic body 6 is inserted into the interior of the slot 5, the operator can rotate the outer locking bolt 9 to push the pressing plate 10 to press on the surface of the injection-molded magnetic body 6, and fix the injection-molded magnetic body 6 to the inner side of the slot 5 with the help of the pressing plate 10;

[0024] The outer wall of the outer shell 3 is provided with an air slot 11, a protective plate 12 is installed inside the air slot 11, a heat dissipation net 13 is installed inside the protective plate 12, a heat dissipation slot 14 is provided inside the air slot 11, a heat dissipation fin 15 is fixed inside the heat dissipation slot 14, and a plurality of heat dissipation fins 15 are fixed inside the heat dissipation slot 14, and the plurality of heat dissipation fins 15 are distributed in parallel;

[0025] Specifically, Figure 1 and Figure 4As shown, when in use, after the heat is transferred to the surface of the heat sink 15, the airflow contacts the heat sink 15 through the wind slot 11 and the heat sink 14. Multiple groups of heat sinks 15 are matched, and the surface connection is larger, so that heat exchange can be performed more quickly.

[0026] Both ends of the outer shell 3 are provided with connecting rings 16, the surface of the connecting ring 16 is provided with external threads, the inner part of the outer shell 3 is provided with internal threads, the connecting ring 16 is connected to the outer shell 3 through threads, a sealing ring 17 is fixed to one end of the connecting ring 16, and the outer side wall of the sealing ring 17 is provided with auxiliary holes 18, and the auxiliary holes 18 are provided in four groups on the outer side wall of the sealing ring 17, and the four groups of auxiliary holes 18 are symmetrically distributed;

[0027] Specifically, Figure 2 As shown, when in use, after the connecting ring 16 at the side end of the sealing ring 17 is connected to the side end opening of the outer shell 3, the sealing ring 17 is rotated, and the sealing ring 17 can be installed at the opening of the outer shell 3 through the threaded cooperation between the connecting ring 16 and the outer shell 3.

[0028] Working principle: When in use, the operator inserts the injection molded magnetic body 6 into the slot 5 inside the outer shell 3, then tightens the outer locking bolt 9 and pushes the pressure plate 10 to press on the surface of the injection molded magnetic body 6, thereby fixing the injection molded magnetic body 6 inside the slot 5, completing the installation operation of the slot 5, and then docking the connecting ring 16 at the side end of the sealing ring 17 with the open end of the outer shell 3, rotating the sealing ring 17, and through the threaded cooperation between the connecting ring 16 and the outer shell 3, the sealing ring 17 can be installed in the opening position of the outer shell 3, which can prevent debris from entering the interior of the outer shell 3. When in use, the heat inside is directed to When the air flowing outside contacts the heat sink 15 through the wind slot 11 and the heat sink 14, the contact surface of the multiple heat sinks 15 is large, and the heat dissipation process can be performed relatively quickly. The heat dissipation net 13 on the outside prevents the operator from contacting the heat sink 15 on the inside. If the injection molded magnetic body 6 needs to be replaced and maintained, the operator can rotate the sealing ring 17 with the help of the cooperation between the rod body and the auxiliary hole 18. After removing the sealing ring 17, the locking bolt 9 at the corresponding position of the injection molded magnetic body 6 is loosened. As the pressure plate 10 loosens the fixation of the injection molded magnetic body 6, the injection molded magnetic body 6 can be pushed out of the slot 5.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An injection molded magnet structure for a motor, comprising a motor housing (1), an outer housing (3) and an injection molded magnet body (6), characterized in that: The inner wall of the motor housing (1) is provided with a through groove (2), the outer wall of the motor housing (1) is provided with an outer shell (3), the inner wall of the outer shell (3) is fixed with a partition (4), the interior of the outer shell (3) is provided with a slot (5), the interior of the slot (5) is provided with an injection-molded magnetic body (6), the outer wall of the outer shell (3) is provided with a locking groove (7), the bottom end of the locking groove (7) is provided with a slide groove (8), the bottom end of the slide groove (8) extends to the interior of the slot (5), the interior of the locking groove (7) is provided with a locking bolt (9), the bottom end of the locking bolt (9) is movably provided with a pressure plate (10), both ends of the interior of the outer shell (3) are provided with connecting rings (16), one end of the connecting ring (16) is fixed with a sealing ring (17), and the outer wall of the sealing ring (17) is provided with an auxiliary hole (18).

2. The injection-molded magnet structure for a motor according to claim 1, characterized in that: A plurality of the slots (5) are arranged inside the outer shell (3), and the plurality of the slots (5) are distributed in a ring shape.

3. The injection molded magnet structure for a motor according to claim 1, characterized in that: The cross section of the injection-molded magnetic body (6) is smaller than the cross section of the slot (5), and the injection-molded magnetic body (6) and the slot (5) form a detachable structure.

4. The injection-molded magnet structure for a motor according to claim 1, characterized in that: The cross section of the pressing plate (10) is smaller than the cross section of the sliding groove (8), and the pressing plate (10) and the sliding groove (8) form a sliding structure.

5. The injection-molded magnet structure for a motor according to claim 1, characterized in that: The outer wall of the outer shell (3) is provided with an air slot (11), a protective plate (12) is installed inside the air slot (11), a heat dissipation net (13) is installed inside the protective plate (12), a heat dissipation slot (14) is provided inside the air slot (11), and a heat dissipation fin (15) is fixed inside the heat dissipation slot (14).

6. The injection-molded magnet structure for a motor according to claim 5, characterized in that: A plurality of heat sinks (15) are fixed inside the heat sink (14), and the plurality of heat sinks (15) are distributed in parallel.

7. The injection-molded magnet structure for a motor according to claim 1, characterized in that: The surface of the connecting ring (16) is provided with an external thread, the interior of the outer shell (3) is provided with an internal thread, and the connecting ring (16) and the outer shell (3) are connected via the thread.

8. The injection-molded magnet structure for a motor according to claim 1, characterized in that: Four groups of auxiliary holes (18) are arranged on the outer side wall of the sealing ring (17), and the four groups of auxiliary holes (18) are symmetrically distributed.

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