CN215120311U

CN215120311U - Built-in permanent magnet driving motor

Info

Publication number: CN215120311U
Application number: CN202121161928.XU
Authority: CN
Inventors: 王聪; 开志宏; 周康林; 赵仪
Original assignee: Jiangsu Leader Standard Motors Co ltd
Current assignee: Jiangsu Leader Standard Motors Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-12-10
Anticipated expiration: 2031-05-27

Abstract

The utility model relates to a permanent-magnet machine technical field just discloses a built-in permanent-magnet machine, comprising a main body, the fixed stator that is equipped with in inside of main part, the rotor has been cup jointed in the inside activity of stator, the fixed output shaft that is equipped with in left end of rotor, the left end of output shaft is rotated through the left side wall of first bearing and main part and is connected, the left side wall that the left end of output shaft runs through the main part extends to the main part outside, the right side wall of rotor is seted up flutedly, the spacing groove has been seted up to the left side wall of recess, the opening has been seted up to the right side wall of main part, the right side of main part is connected with the end cover through coupling mechanism, the left side wall of end cover is equipped with drive mechanism, the left side wall of end cover has cup jointed stop gear through the drive mechanism activity. The utility model discloses can be quick dismantle permanent magnet drive motor, and the convenience is changed the permanent magnet, reduces maintenance assembly cost, promotes motor life.

Description

Built-in permanent magnet driving motor

Technical Field

The utility model relates to a permanent-magnet machine technical field especially relates to a built-in permanent magnet drive motor.

Background

The permanent magnet driving motor mainly comprises a stator, a rotor, an end cover and the like, is simple in structure, reduces the processing and assembling cost, improves the running reliability of the motor, and improves the efficiency and the power density of the motor.

The permanent magnet inside the existing built-in permanent magnet driving motor is generally fixedly arranged inside the rotor, when the built-in permanent magnet driving motor is used for a long time, the magnetism of the permanent magnet is easy to reduce or disappear, the permanent magnet inside the built-in permanent magnet driving motor is not easy to replace, and the maintenance and assembly cost is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving inside the general built-in permanent magnet driving motor among the prior art, inside its inside permanent magnet is generally fixed to be located the rotor, is difficult for dismantling and changing it, has improved the expense of its maintenance assembly by a wide margin, for the ease of dismantling the change to the inside permanent magnet of rotor, promotes permanent magnet driving motor's life, and the built-in permanent magnet driving motor who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a built-in permanent magnet driving motor comprises a main body, a stator is fixedly arranged in the main body, the interior of the stator is movably sleeved with a rotor, the left end of the rotor is fixedly provided with an output shaft, the left end of the output shaft is rotatably connected with the left side wall of the main body through a first bearing, the left end of the output shaft penetrates through the left side wall of the main body and extends to the outside of the main body, the right side wall of the rotor is provided with a groove, the left side wall of the groove is provided with a limit groove, the right side wall of the main body is provided with an opening, the right side of the main body is connected with an end cover through a connecting mechanism, the left side wall of the end cover is provided with a transmission mechanism, the left side wall of the end cover is movably sleeved with a blocking mechanism through the transmission mechanism, the fan is characterized in that a cavity is formed in the end cover, the cavity is connected with the fan through a transmission mechanism, and heat dissipation holes are formed in the left side wall and the right side wall of the cavity.

Preferably, the connecting mechanism comprises four baffles and two bolts, the four baffles are fixedly connected with the upper outer wall and the lower outer wall of one end, close to the main body and the end cover, of the end cover, threaded holes are formed in the two baffles on each side, the threaded holes on each side are matched, and the two bolts are in threaded connection with the two corresponding threaded holes on each side respectively.

Preferably, drive mechanism includes bull stick and spring, the right-hand member pole wall of bull stick rotates through the left side wall of second bearing and end cover to be connected, the left end pole wall of bull stick extends to the limiting groove inside outwards, the spring cup joints with the pole wall activity of bull stick, the right-hand member of spring and the left side wall fixed connection of end cover, the right-hand member pole wall of bull stick runs through the left side wall of cavity, the right-hand member pole wall fixed connection of fan and bull stick.

Preferably, the blocking mechanism comprises a sleeve and a blocking net, the sleeve is movably sleeved at the left end of the rod wall of the rotating rod, the right side wall of the sleeve is fixedly connected with the left end of the spring, the blocking net is fixedly sleeved with the outer wall of the sleeve, and the outer wall of the blocking net is matched with the groove.

Preferably, the left side wall of the groove is provided with a plurality of permanent magnet grooves, and a permanent magnet is movably inserted in each permanent magnet groove.

Preferably, the inside symmetry of spacing groove is equipped with the spout, two equal sliding connection in the inside of spout has the slider, two a lateral wall that the slider is close to mutually is respectively with the pole wall fixed connection of bull stick.

Compared with the prior art, the utility model provides a built-in permanent magnet drive motor possesses following beneficial effect:

1. according to the built-in permanent magnet driving motor, the permanent magnet is movably inserted into the permanent magnet groove by arranging the permanent magnet groove in the rotor, the blocking mechanism blocks the permanent magnet groove through the end cover, the permanent magnet is prevented from being separated from the permanent magnet groove when the motor is used, and the permanent magnet can be taken out only by detaching the end cover during detachment, so that the permanent magnet is convenient to replace.

2. According to the built-in permanent magnet driving motor, the blocking mechanism is arranged to be in a screen mesh shape, when the blocking mesh blocks the permanent magnet groove, the permanent magnet groove is not sealed, the motor can be enabled to work, meanwhile, the fan can effectively dissipate heat inside the permanent magnet groove, and demagnetization caused by overhigh temperature of the permanent magnet is avoided.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can be quick dismantle permanent magnet drive motor, and the convenience is changed the permanent magnet, reduces maintenance assembly cost, promotes motor life.

Drawings

Fig. 1 is a schematic structural diagram of an interior permanent magnet driving motor according to the present invention;

FIG. 2 is a schematic side view of the shield and the sleeve of FIG. 1;

FIG. 3 is a schematic side view of the rotor of FIG. 1;

fig. 4 is an enlarged view of a portion a of fig. 1.

In the figure: the motor comprises a body 1, a stator 2, a rotor 3, an output shaft 4, an end cover 5, a fan 7, a baffle 8, a bolt 9, a rotating rod 10, a spring 11, a sleeve 12, a baffle net 13, a permanent magnet 14, a sliding block 15 and a groove 16.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a built-in permanent magnet driving motor comprises a main body 1, a stator 2 is fixedly arranged inside the main body 1, a rotor 3 is movably sleeved inside the stator 2, an output shaft 4 is fixedly arranged at the left end of the rotor 3, the left end of the output shaft 4 is rotatably connected with the left side wall of the main body 1 through a first bearing, the left end of the output shaft 4 penetrates through the left side wall of the main body 1 and extends to the outside of the main body 1, a groove 16 is formed in the right side wall of the rotor 3, a limit groove is formed in the left side wall of the groove 16, an opening is formed in the right side wall of the main body 1, the right side of the main body 1 is connected with an end cover 5 through a connecting mechanism, a transmission mechanism is arranged on the left side wall of the end cover 5, a blocking mechanism is movably sleeved on the left side wall of the end cover 5 through the transmission mechanism, a cavity is formed inside the end cover 5, a fan 7 is connected inside the cavity through the transmission mechanism, and the left side of the cavity, the right side wall is provided with heat dissipation holes.

Coupling mechanism includes four baffles 8 and two bolts 9, and four baffles 8 are close to one end upper and lower outer wall fixed connection with main part 1 and end cover 5 respectively mutually, and threaded hole is all seted up to two baffles 8's of every side inside, and two threaded hole homogeneous phases of every side match, and two bolts 9 are respectively with two threaded hole threaded connection that correspond of every side.

Drive mechanism includes bull stick 10 and spring 11, and the right-hand member pole wall of bull stick 10 rotates through the left side wall of second bearing and end cover 5 to be connected, and the left end pole wall of bull stick 10 outwards extends to the spacing inslot, and spring 11 cup joints with the pole wall activity of bull stick 10, and the right-hand member of spring 11 and the left side wall fixed connection of end cover 5, and the right-hand member pole wall of bull stick 10 runs through the left side wall of cavity, fan 7 and the right-hand member pole wall fixed connection of bull stick 10.

The blocking mechanism comprises a sleeve 12 and a blocking net 13, the sleeve 12 is movably sleeved with the left end of the rod wall of the rotating rod 10, the right side wall of the sleeve 12 is fixedly connected with the left end of the spring 11, the blocking net 13 is fixedly sleeved with the outer wall of the sleeve 12, and the outer wall of the blocking net 13 is matched with the groove 16.

The left side wall of the groove 16 is provided with a plurality of permanent magnet grooves, and a permanent magnet 14 is movably inserted in each permanent magnet groove.

The inside symmetry of spacing groove is equipped with the spout, and the equal sliding connection in inside of two spouts has slider 15, and a lateral wall that two sliders 15 are close to mutually respectively with the pole wall fixed connection of bull stick 10.

In the utility model, when in use, the permanent magnet 14 is inserted into the permanent magnet slot in sequence, the left side wall of the end cover 5 is jointed with the right side wall of the body 1, the end cover 5 drives the rotating rod 10 to be inserted into the limiting slot, the two sliding blocks 15 limit the rotating rod 10 through the sliding slots, so that the rotating rod 10 can be synchronously driven to rotate when the rotor 3 rotates, the baffle net 13 is also synchronously inserted into the groove 16 after the rotating rod 10 is inserted into the limiting slot, the baffle net 13 blocks the permanent magnet slot, the baffle net 13 can prevent the permanent magnet 14 from sliding off from the permanent magnet slot when in installation, the end cover 5 is continuously jointed with the right end of the body 1, the spring 11 is contracted, the rotating rod 10 is continuously inserted into the limiting slot until the two baffles 8 on each side are jointed with each other, the two bolts 9 can be respectively passed through the corresponding threaded holes, the body 1 and the end cover 5 are fixed through the two baffles 8, when the stator 2 works, a magnetic field is generated by the stator 2, the rotor 3 is driven to rotate by the interaction of the magnetic field and the permanent magnet 14, when the rotor 3 rotates, the fan 7 can be driven to rotate synchronously through the rotating rod 10, and then the permanent magnet 14 can be cooled when the rotor works.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A built-in permanent magnet driving motor comprises a main body (1) and is characterized in that a stator (2) is fixedly arranged inside the main body (1), a rotor (3) is movably sleeved inside the stator (2), an output shaft (4) is fixedly arranged at the left end of the rotor (3), the left end of the output shaft (4) is rotatably connected with the left side wall of the main body (1) through a first bearing, the left end of the output shaft (4) penetrates through the left side wall of the main body (1) and extends to the outside of the main body (1), a groove (16) is formed in the right side wall of the rotor (3), a limiting groove is formed in the left side wall of the groove (16), an opening is formed in the right side wall of the main body (1), the right side of the main body (1) is connected with an end cover (5) through a connecting mechanism, a transmission mechanism is arranged on the left side wall of the end cover (5), a blocking mechanism is movably sleeved on the left side wall of the end cover (5), the fan end cover is characterized in that a cavity is formed in the end cover (5), the cavity is connected with a fan (7) through a transmission mechanism, and heat dissipation holes are formed in the left side wall and the right side wall of the cavity.

2. The interior permanent magnet driving motor according to claim 1, wherein the connecting mechanism comprises four baffle plates (8) and two bolts (9), the four baffle plates (8) are respectively fixedly connected with the upper and lower outer walls of the end, close to the main body (1) and the end cover (5), of each side, threaded holes are formed in the two baffle plates (8) on each side, the two threaded holes on each side are matched, and the two bolts (9) are respectively in threaded connection with the two corresponding threaded holes on each side.

3. The interior permanent magnet driving motor according to claim 1, wherein the transmission mechanism comprises a rotating rod (10) and a spring (11), a right end rod wall of the rotating rod (10) is rotatably connected with a left side wall of the end cover (5) through a second bearing, a left end rod wall of the rotating rod (10) extends outwards to the inside of the limiting groove, the spring (11) is movably sleeved with a rod wall of the rotating rod (10), a right end of the spring (11) is fixedly connected with the left side wall of the end cover (5), the right end rod wall of the rotating rod (10) penetrates through the left side wall of the cavity, and the fan (7) is fixedly connected with the right end rod wall of the rotating rod (10).

4. The interior permanent magnet driving motor according to claim 1, wherein the blocking mechanism comprises a sleeve (12) and a blocking net (13), the sleeve (12) is movably sleeved with the left end of the rod wall of the rotating rod (10), the right side wall of the sleeve (12) is fixedly connected with the left end of the spring (11), the blocking net (13) is fixedly sleeved with the outer wall of the sleeve (12), and the outer wall of the blocking net (13) is matched with the groove (16).

5. The interior permanent magnet drive motor according to claim 1, wherein the left side wall of the groove (16) is provided with a plurality of permanent magnet slots, and a permanent magnet (14) is movably inserted into each permanent magnet slot.

6. The interior permanent magnet driving motor according to claim 1, wherein sliding grooves are symmetrically formed in the limiting grooves, sliding blocks (15) are slidably connected to the insides of the two sliding grooves, and one side wall of each of the two sliding blocks (15) close to the inside is fixedly connected with the rod wall of the rotating rod (10).