Noise reduction and sound insulation casing for permanent magnet motor

Abstract

The utility model discloses a noise reduction and sound insulation casing for a permanent magnet motor, which relates to the technical field of permanent magnet motors and comprises a casing, a magnetic shoe is fixedly connected in the casing, a filter screen is fixedly connected at the end of the casing, and a plurality of radiating fins are fixedly connected around the outer side of the casing. The inner wall, located at the end of the magnetic tile, of the machine shell is fixedly connected with a connecting block, a spherical groove is formed in the connecting block, a ball is arranged in the spherical groove of the connecting block in a rolling mode, and a cavity is formed in the connecting block. The magnetic shoes provided by the utility model can ensure the use effect of the casing, the sound insulation base plate can ensure the noise reduction and sound insulation effects of the casing, the filter screen and the heat dissipation fins can ensure the heat dissipation effect of the casing, the balls in the connecting blocks can reduce the friction between the magnetic shoes and the motor rotor, and the springs push the sliding blocks to slide, so that the clamping plates extend into the clamping grooves. And the mounting stability of the connecting block in the shell is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet motors, in particular to a noise reduction and sound insulation casing for a permanent magnet motor. Background Art

[0002] A permanent magnet motor is a motor that uses permanent magnet materials to generate a magnetic field to achieve electrical energy conversion. Compared with traditional electromagnetic motors, permanent magnet motors have the advantages of simple structure, small size, and high efficiency. Permanent magnet motors usually consist of two parts: a stator and a rotor. The stator is equipped with a coil, which generates a magnetic field through current excitation, and the rotor is equipped with permanent magnet materials. The magnetic field interacts with the magnetic field of the stator to generate torque and achieve rotation.

[0003] In the prior art, after a permanent magnet motor casing is used for a long time, the magnetic tiles inside the casing may be worn out, which will affect the use of the casing and increase the noise impact. At the same time, it is not convenient to replace the structural parts inside the casing one by one, and overall replacement will increase maintenance costs. Utility Model Content

[0004] In view of the above problems existing in the existing permanent magnet motors, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a noise-reducing and sound-insulating casing for a permanent magnet motor, which solves the problem that after the casing for the permanent magnet motor is used for a long time, the magnetic tiles inside the casing may be worn and consumed, thereby affecting the use effect of the casing and increasing the noise impact. At the same time, it is inconvenient to replace the structural parts inside the casing one by one, and the overall replacement will increase the maintenance cost.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A noise reduction and sound insulation casing for a permanent magnet motor comprises a casing, wherein a magnetic tile is fixedly connected to the interior of the casing, a filter is fixedly connected to the end of the casing, a plurality of heat dissipation fins are fixedly connected around the outer side of the casing, a connecting block is fixedly connected to the inner wall of the casing at the end of the magnetic tile, a spherical groove is provided inside the connecting block, a ball is rolledly arranged inside the spherical groove, a cavity is provided inside the connecting block, two sliders are slidably arranged inside the cavity, clamping blocks are fixedly connected to the side walls of the two sliders, a clamping groove is provided inside the casing, the clamping block is clamped inside the clamping groove, springs are fixedly connected to the corresponding sides of the two sliders at the same time, and sound insulation pads are laid on the interior of the magnetic tile and the casing respectively.

[0008] Preferably, one side corresponding to the two sliders is fixedly connected with a first pull rope at the same time, and one end of the first pull rope facing away from the slider extends to the outside of the connecting block and is fixedly connected with a pull rod.

[0009] Preferably, the ends of the plurality of heat dissipation fins are respectively fixedly connected with plug-in blocks, a slot is provided inside the housing, and the plug-in blocks are plugged into the slot.

[0010] Preferably, a groove is provided inside the plug block, and the plug block is fixedly connected to a fixing rod inside the groove, a clamping plate and a torsion spring are movably sleeved on the rod wall of the fixing rod, one end of the torsion spring is fixedly connected to the inside of the clamping plate, and the other end of the torsion spring is fixedly connected to the inside of the plug block, a fan-shaped groove is provided inside the housing, and the clamping plate is clamped inside the fan-shaped groove.

[0011] Preferably, a second pull rope is fixedly connected to the side wall of the card plate, a recess is provided on the side wall of the heat dissipating fin, a guide groove is provided inside the recess of the heat dissipating fin, a guide block is slidably provided inside the guide groove, and the end of the second pull rope facing away from the card plate extends to the inside of the guide groove and is fixedly connected to the guide block.

[0012] Preferably, the heat dissipation fin is fixedly connected to an elastic plate inside the recess, and one end of the elastic plate is fixedly connected to the side wall of the guide block.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] 1. In the utility model, the magnetic tile can ensure the use effect of the casing, the sound insulation pad can ensure the noise reduction and sound insulation effect of the casing, the filter and the heat dissipation fins can ensure the heat dissipation effect of the casing, the ball inside the connecting block can reduce the friction between the magnetic tile and the motor rotor, and the spring pushes the slider to slide, so that the card plate extends to the inside of the card slot, thereby improving the stability of the connecting block installed inside the casing.

[0015] 2. In the utility model, pulling the pull rod can pull the first pull rope to move, so that the slider can move, so that the card plate can slide along the inside of the card slot, which is convenient for removal and replacement. The plug-in block extends to the inside of the slot, and the torsion spring can push the card plate to extend to the inside of the fan-shaped slot, so that the plug-in block and the heat dissipation fins can be stably installed to ensure subsequent heat dissipation.

[0016] 3. In the utility model, pressing the elastic plate can push the guide block to slide along the inner wall of the guide groove, so that the second pull rope can be moved, and the card plate can be pulled to shrink into the inside of the groove, so that the heat dissipation fins can be disassembled and replaced, reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a sectional side view of the utility model;

[0020] Figure 3 For the utility model Figure 2 A magnified schematic diagram of part A;

[0021] Figure 4 For the utility model Figure 2 An enlarged schematic diagram of part B.

[0022] Description of reference numerals:

[0023] 1. Casing; 2. Magnetic tile; 3. Filter; 4. Heat sink fin; 5. Connecting block; 6. Ball bearing; 7. Slider; 8. Clamping block; 9. Spring; 10. First pull rope; 11. Pull rod; 12. Insertion block; 13. Fixed rod; 14. Clamping plate; 15. Torsion spring; 16. Second pull rope; 17. Guide block; 18. Elastic plate; 19. Sound insulation pad. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model embodiment discloses a noise reduction and sound insulation casing for a permanent magnet motor.

[0026] The utility model provides Figure 1-4 A noise reduction and sound insulation casing for a permanent magnet motor shown in the figure includes a casing 1, a magnetic tile 2 is fixedly connected to the inside of the casing 1, a filter screen 3 is fixedly connected to the end of the casing 1, a plurality of heat dissipation fins 4 are fixedly connected around the outside of the casing 1, a connecting block 5 is fixedly connected to the inner wall of the casing 1 at the end of the magnetic tile 2, a spherical groove is provided inside the connecting block 5, a ball 6 is rolledly arranged inside the connecting block 5, a cavity is provided inside the connecting block 5, two sliders 7 are slidably provided inside the connecting block 5 inside the cavity, a clamping block 8 is fixedly connected to the side walls of the two sliders 7, a clamping groove is provided inside the casing 1, the clamping block 8 is clamped inside the clamping groove, a spring 9 is fixedly connected to the corresponding sides of the two sliders 7, and sound insulation pads 19 are respectively laid inside the magnetic tile 2 and the casing 1.

[0027] The first pull rope 10 is fixedly connected to the corresponding side of the two sliders 7 at the same time. The end of the first pull rope 10 facing away from the slider 7 extends to the outside of the connecting block 5 and is fixedly connected to the pull rod 11.

[0028] The ends of the plurality of heat dissipation fins 4 are respectively fixedly connected with plug blocks 12, a slot is provided inside the casing 1, the plug block 12 is plugged inside the slot, a groove is provided inside the plug block 12, the plug block 12 is located inside the groove and is fixedly connected with a fixing rod 13, a clamping plate 14 and a torsion spring 15 are movably sleeved on the rod wall of the fixing rod 13, one end of the torsion spring 15 is fixedly connected inside the clamping plate 14, and the other end of the torsion spring 15 is fixedly connected inside the plug block 12, a fan-shaped groove is provided inside the casing 1, and the clamping plate 14 is clamped inside the fan-shaped groove.

[0029] When in use, the magnetic tile 2 can ensure the use effect of the casing 1, the sound insulation pad 19 can ensure the noise reduction and sound insulation effect of the casing 1, the filter 3 and the heat dissipation fin 4 can ensure the heat dissipation effect of the casing 1, and the ball 6 inside the connecting block 5 can reduce the friction between the magnetic tile 2 and the motor rotor. The spring 9 pushes the slider 7 to slide, so that the card plate 8 extends to the inside of the card slot, which can improve the stability of the connection block 5 installed inside the casing 1. Subsequently, pulling the pull rod 11 can pull the first pull rope 10 to move, so that the slider 7 moves, so that the card plate 8 can slide along the inside of the card slot, which is convenient for removal and replacement. The plug-in block 12 extends to the inside of the slot, and the torsion spring 15 can push the card plate 14 to extend to the inside of the fan-shaped slot, so that the plug-in block 12 and the heat dissipation fin 4 can be stably installed to ensure subsequent heat dissipation.

[0030] In order to disassemble and replace the heat dissipation fins 4, Figure 1-4 As shown, a second pull rope 16 is fixedly connected to the side wall of the card plate 14, a recess is provided on the side wall of the heat sink fin 4, a guide groove is provided inside the recess of the heat sink fin 4, a guide block 17 is slidably provided inside the guide groove, one end of the second pull rope 16 facing away from the card plate 14 extends to the inside of the guide groove and is fixedly connected to the guide block 17, an elastic plate 18 is fixedly connected to the heat sink fin 4 inside the recess, and one end of the elastic plate 18 is fixedly connected to the side wall of the guide block 17.

[0031] Pressing the elastic plate 18 can push the guide block 17 to slide along the inner wall of the guide groove, move the second pull rope 16, pull the clamping plate 14 to shrink into the groove, and disassemble and replace the heat sink fins 4 to reduce maintenance costs.

[0032] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A noise reduction and sound insulation housing for a permanent magnet motor, comprising a housing (1), characterized in that: A magnetic tile (2) is fixedly connected inside the casing (1), a filter screen (3) is fixedly connected at the end of the casing (1), a plurality of heat dissipation fins (4) are fixedly connected around the outside of the casing (1), a connection block (5) is fixedly connected to the inner wall of the casing (1) at the end of the magnetic tile (2), a spherical groove is provided inside the connection block (5), a ball (6) is rolled inside the connection block (5) inside the spherical groove, a cavity is provided inside the connection block (5), two sliders (7) are slidably provided inside the cavity, a clamping block (8) is fixedly connected to the side walls of the two sliders (7), a clamping groove is provided inside the casing (1), the clamping block (8) is clamped inside the clamping groove, a spring (9) is fixedly connected to the corresponding sides of the two sliders (7), and the insides of the magnetic tile (2) and the casing (1) are respectively paved with sound insulation pads (19).

2. The noise reduction and sound insulation housing for a permanent magnet motor according to claim 1, characterized in that: The corresponding sides of the two sliders (7) are simultaneously fixedly connected with a first pull rope (10), and one end of the first pull rope (10) facing away from the slider (7) extends to the outside of the connecting block (5) and is fixedly connected with a pull rod (11).

3. The noise reduction and sound insulation housing for a permanent magnet motor according to claim 1, characterized in that: The ends of the plurality of heat dissipation fins (4) are respectively fixedly connected with plug blocks (12); a slot is provided inside the housing (1), and the plug block (12) is plugged into the inside of the slot.

4. The noise reduction and sound insulation housing for a permanent magnet motor according to claim 3, characterized in that: A groove is provided inside the plug block (12), and a fixing rod (13) is fixedly connected to the plug block (12) inside the groove. A clamping plate (14) and a torsion spring (15) are movably sleeved on the rod wall of the fixing rod (13), one end of the torsion spring (15) is fixedly connected to the inside of the clamping plate (14), and the other end of the torsion spring (15) is fixedly connected to the inside of the plug block (12). A fan-shaped groove is provided inside the housing (1), and the clamping plate (14) is clamped and arranged inside the fan-shaped groove.

5. The noise reduction and sound insulation housing for a permanent magnet motor according to claim 4, characterized in that: A second pull rope (16) is fixedly connected to the side wall of the card plate (14), a recess is provided on the side wall of the heat dissipation fin (4), a guide groove is provided inside the recess of the heat dissipation fin (4), a guide block (17) is slidably provided inside the guide groove, and one end of the second pull rope (16) facing away from the card plate (14) extends to the inside of the guide groove and is fixedly connected to the guide block (17).

6. The noise reduction and sound insulation housing for a permanent magnet motor according to claim 1, characterized in that: The heat dissipation fin (4) is located inside the recess and is fixedly connected to an elastic plate (18), and one end of the elastic plate (18) is fixedly connected to the side wall of the guide block (17).

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