CN220797989U - Magnetic suspension high-speed DC brushless motor for juicer - Google Patents

Abstract

The utility model discloses a magnetic suspension high-speed direct current brushless motor for a juicer, which comprises a machine shell, a stator assembly, a rotor assembly and a magnetic suspension assembly, wherein the stator assembly and the rotor assembly are arranged in the machine shell, the rotor assembly comprises a rotating shaft, one end of the rotating shaft is matched with the machine shell, and the magnetic suspension assembly is connected with the machine shell. Through being equipped with the magnetic suspension subassembly, can inhale tightly through magnetic force the tool bit of cooking machines such as juice machine, soybean milk machine or broken wall machine through magnetic force, drive the common rotation of magnetic suspension subassembly when the pivot rotates, thereby the tool bit in the external cup rotates along with the pivot, the structure of whole motor has been simplified greatly, the pivot of motor need not with the tool bit lug connection, make motor and tool bit part be two independent parts, do benefit to simplifying overall structure, the volume reduces greatly, reduce the cost, conveniently carry, and realize through magnetic force that the motor is connected with outside needs driven tool bit, noise that the during the whole work produced has been reduced, to a great extent has reached the effect of silence.

Description

Magnetic suspension high-speed DC brushless motor for juicer

Technical Field

The utility model belongs to a motor, and particularly relates to a magnetic suspension high-speed direct current brushless motor for a juicer.

Background

At present, the food processors such as juicers, wall breaking machines, soymilk machines and the like in the market mainly comprise motor output shafts which are directly connected with blades to drive the blades to rotate for working; or the motor output shaft drives the speed change mechanism, and the speed change mechanism drives the blade to work, so that the size is large, the transmission efficiency is low, and the process is complex. The utility model discloses a juice extractor of application number 201720201911.X, a safe juice extractor of application number 202022782318.3, the motor in this type juice extractor remains connected state with the blade all the time, and the base part structure of whole motor is comparatively complicated, and is bulky.

Disclosure of utility model

The utility model aims to provide a magnetic suspension high-speed direct current brushless motor for a juicer, which can solve at least one of the problems.

According to one aspect of the utility model, a magnetic suspension high-speed direct current brushless motor for a juicer is provided, and comprises a machine shell, a stator assembly, a rotor assembly and a magnetic suspension assembly, wherein the stator assembly and the rotor assembly are arranged in the machine shell, the rotor assembly comprises a rotating shaft, one end of the rotating shaft is matched with the machine shell, the magnetic suspension assembly is connected with the machine shell, and the end face of one end of the rotating shaft is positioned below the upper end face of the magnetic suspension assembly.

The beneficial effects of the utility model are as follows: through being equipped with the magnetic suspension subassembly, can inhale tightly through magnetic force the tool bit of cooking machines such as juice machine, soybean milk machine or broken wall machine through magnetic force, drive the common rotation of magnetic suspension subassembly when the pivot rotates, thereby the tool bit in the external cup rotates along with the pivot, the structure of whole motor has been simplified greatly, the pivot of motor need not with the tool bit lug connection, make motor and tool bit part be two independent parts, do benefit to and simplify overall structure, make whole volume reduce greatly, reduce the cost, conveniently carry, and realize through magnetic force that the motor is connected with outside needs driven tool bit, the noise that produces when having reduced whole work greatly, the effect of silence has been reached to a great extent.

In some embodiments, the magnetic suspension assembly comprises an electromagnet seat, a framework and a coil, wherein the electromagnet seat is fixed at one end of the rotating shaft, the framework is arranged on the electromagnet seat, and the coil is wound on the framework. Therefore, the electromagnet seat is conveniently electrified, and magnetic force is conveniently generated by the electromagnet seat.

In some embodiments, an annular groove is formed in one side of the electromagnet seat, the framework is fixed in the annular groove, and the longitudinal section of the framework is U-shaped. Therefore, the annular groove is arranged, so that the framework is convenient to install on the electromagnet seat; the framework is U-shaped, so that the coil is conveniently wound on the framework.

In some embodiments, the top end of the casing is provided with a mounting hole, one end of the rotating shaft is sleeved in the mounting hole, the other side of the electromagnet seat is provided with a mounting groove, and the mounting groove is sleeved on the outer side of the casing and is fixed with the casing. Therefore, the electromagnet seat and the casing are fixed, and the casing is convenient to fix with the rotating shaft through the mounting hole.

In some embodiments, the magnetic suspension assembly comprises a magnet base and a first magnet, wherein a groove is formed in one side of the magnet base, the plurality of grooves are formed in one side of the magnet base, the plurality of first magnets correspond to the plurality of grooves, the first magnet is installed in the groove, and the magnet base is fixed with the rotating shaft. Therefore, the magnet base is arranged, so that the first magnet can be conveniently installed; by the aid of the first magnet, magnetic force can be generated, and the cutter head on the cup body is attracted and fixed through the magnetic force.

In some embodiments, the magnetic suspension high-speed direct current brushless motor for the juicer further comprises a connecting rod, one end of the connecting rod is fixed on the magnet base, the other end of the connecting rod is fixed on the shell, and the shell is sleeved at one end of the rotating shaft. Therefore, the connecting rod is arranged, so that the magnet base and the shell can be conveniently and fixedly connected, and the magnet base and the shell can be conveniently and synchronously rotated.

In some embodiments, the rotor assembly further comprises a second magnet secured to an inner wall of the housing. Therefore, the use requirement of the motor is met.

In some embodiments, the magnetic suspension high-speed direct current brushless motor for the juicer further comprises a support, the support is sleeved on the rotating shaft, the stator assembly comprises a stator core and windings, the stator core is sleeved on the outer side of the support, and the windings are wound on the stator core. Thereby facilitating installation of the stator assembly.

In some embodiments, the magnetic suspension high-speed direct current brushless motor for the juicer further comprises a first bearing and a second bearing, wherein the first bearing and the second bearing are respectively positioned at the matching positions of two ends of the bracket and the rotating shaft. Thus, by providing the first bearing and the second bearing, the friction force applied when the rotating shaft rotates is reduced.

In some embodiments, the magnetic suspension high-speed brushless direct current motor for the juicer further comprises a wire passing bearing, the rotating shaft is a hollow shaft, the wire passing bearing is arranged at two ends of the rotating shaft, a wire inlet groove is formed in the top end of the electromagnet seat, a wire inlet hole is formed in one side of the framework, the wire inlet groove is located on one side of the wire inlet hole, and the wire inlet groove is located on one side of the wire passing bearing. Therefore, the wiring of the external lead is convenient through each corresponding structure and is connected with the coil in the framework.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a magnetic levitation high-speed brushless dc motor for a juicer according to the present utility model.

Fig. 2 is a schematic view of the motor of fig. 1 in use with a fixed cutter head iron plate.

Fig. 3 is a schematic view of the bottom structure of fig. 1.

Fig. 4 is a schematic cross-sectional view of fig. 2.

Fig. 5 is a schematic diagram of the top view of another embodiment of a magnetic levitation high-speed dc brushless motor for juicer according to the present utility model.

Fig. 6 is a schematic view of a magnetic levitation high-speed dc brushless motor for a juicer according to another embodiment of the present utility model, which is combined with a magnet chassis for fixing a cutter head.

Fig. 7 is a schematic cross-sectional structure of fig. 6.

Fig. 8 is a schematic sectional view of the structure in the direction A-A of fig. 5.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

Reference is made to fig. 3 and 7. The utility model provides a high-speed DC brushless motor of magnetic suspension for fruit juice mixer, includes casing 1, stator module 2, rotor subassembly 3 and magnetic suspension subassembly 4, and in stator module 2 and rotor subassembly 3 all located casing 1, rotor subassembly 3 includes pivot 31, and the one end and the casing of pivot 31 cooperate, and magnetic suspension subassembly 4 is connected with the casing, and the below that the terminal surface of the one end place terminal surface of pivot 31 is located magnetic suspension subassembly 4 up end.

When the magnetic suspension high-speed direct current brushless motor for the juicer is electrified, the rotating shaft 31 rotates at a high speed under the action of the stator assembly 2 and the rotor assembly 3. When the magnetic suspension high-speed direct current brushless motor for the juicer is used on the juicer, the soymilk machine or the wall breaking machine, the cutter head is arranged on the cup bottom, so that the cup body is matched with the cup bottom, the cup bottom is sucked and fastened above the magnetic suspension assembly 4 through the magnetic force generated by the magnetic suspension assembly 4, the rotating shaft 31 drives the rotating shaft 31 to rotate, the rotating shaft 31 drives the machine shell 1 to rotate together, and the cutter head driving the cup bottom through the magnetic suspension assembly rotates together with the rotating shaft 31 at a high speed. Therefore, the magnetic suspension assembly 4 can be completely separated from the cutter head, namely, the rotating shaft 31 and the cutter head are completely separated, the mechanism of the motor is greatly simplified, and the size of the motor is reduced.

As shown in fig. 1 to 4, in one embodiment, the magnetic levitation assembly 4 includes an electromagnet holder 41, a frame 42, and a coil 43, wherein the electromagnet holder 41 is fixed at one end of the rotating shaft 31, the frame 42 is disposed on the electromagnet holder 41, and the coil 43 is wound on the frame 42. The electromagnet seat 41 is an electromagnet and is annular, and a through hole is formed in the middle of the electromagnet seat, so that the integral weight is reduced, materials required by processing the electromagnet seat 41 are reduced, and the aim of reducing the cost is fulfilled.

An annular groove 411 is formed in one side of the electromagnet seat 41, the framework 42 is fixed in the annular groove 411, the longitudinal section of the framework 42 (namely, the section along the axial direction of the rotating shaft 31) is U-shaped, and the coil 43 is conveniently clamped and wound on the framework 42. The framework 42 is tightly attached to the two inner walls of the annular groove 411, so that the framework 42 is conveniently clamped and fixed on the electromagnet base 41, and the framework 42 is conveniently installed.

When the cup bottom is used, the cup bottom is directly placed above the electromagnet seat 41, when the coil 43 is electrified, the electromagnet seat 41 has magnetism, the cup bottom is made of an iron chassis, and after the electromagnet seat 41 is electrified, the cup bottom is tightly sucked and fixed, so that the cup bottom can rotate together with the electromagnet seat 41. The outer diameter of the electromagnet seat 41 is larger than or equal to the outer diameter of the cup bottom, so that the electromagnet seat 41 is electrified to generate a magnetic field, the whole cup bottom can be firmly attracted to the electromagnet seat 41, and a cutter head on the cup bottom can rotate together with the rotating shaft 31; after the use is completed, the coil on the electromagnet seat 41 is powered off, the magnetic field of the electromagnet seat 41 acting on the cup bottom disappears, and at the moment, an operator can conveniently take the cup bottom and the cup body out of the electromagnet seat 41 together, and the cup bottom and the cup body are convenient to take out.

The upper end surface of the electromagnet seat 41 is a horizontal plane, the top end of the skeleton 42 does not exceed the upper end surface of the electromagnet seat 41, and the end surface of one end (i.e., the top end) of the rotating shaft 31 is located below the upper end surface of the electromagnet seat 41, so that the placement and fixation of the cup body on the electromagnet seat 41 are not affected by each structure of the stator assembly 2 and the rotor assembly 3, and the volume of the whole motor is reduced.

In this embodiment, in order to facilitate the electrical connection between the coil 43 and the external wire, the magnetic suspension high-speed dc brushless motor for a juicer further includes a bobbin 9, the rotating shaft 31 is a hollow shaft, the bobbin 9 is disposed at two ends of the rotating shaft 31, a wire inlet slot 413 is disposed at the top end of the electromagnet seat 41, a wire inlet hole 421 is disposed at one side of the skeleton 42, the wire inlet slot 413 is disposed at one side of the wire inlet hole 421, and the wire inlet slot 413 is disposed at one side of the bobbin 9. Thus, the terminal of the coil 43 extends out through the wire inlet hole 421 and is connected with an external power supply through a wire; the external lead wire passes through the bobbin 9 and the rotating shaft 31, is guided by the wire-feeding groove 413, and is connected to the terminal of the coil 43. Through being equipped with wire passing bearing 9, inlet wire groove 413 and inlet wire hole 421, can conveniently play the guide effect to the wire, avoid the wire to be mixed and disorderly to distribute, optimize the wiring.

The top of the casing 1 is provided with a mounting hole, one end of the rotating shaft 31 is sleeved and fixed in the mounting hole, the other side of the electromagnet seat 41 is provided with a mounting groove 412, and the mounting groove 412 is sleeved and arranged on the outer side of the casing 1 and fixed with the casing 1. Wherein, the internal diameter of mounting groove 412 is unanimous with the external diameter of casing 1 for casing 1 can be fixed with mounting groove 412 chucking, consequently, when pivot 31 rotates, can drive casing 1 and rotate, and casing 1 drives electro-magnet seat 41 and rotates, and then drives and attracts fixed tool bit rotation with the electro-magnet seat, satisfies the operation requirement of fruit juice mixer.

In this embodiment, the on-off condition of the electromagnet seat 41 can facilitate the matching and separation of the whole motor and the cup body, without directly matching the rotating shaft 31 with the cutter head, so that the complete separation of the motor and the cutter head can be realized, and the structure of the whole motor is greatly simplified.

In another embodiment, as shown in fig. 5 to 8, the magnetic levitation assembly 4 includes a magnet base 44 and a first magnet 45, one side of the magnet base 44 is provided with a plurality of grooves 441, the first magnet 45 corresponds to the grooves 441, the first magnet 45 is installed in the grooves 441, and the magnet base 44 is fixed with the rotating shaft 31. The first magnet 45 is a permanent magnet, and conveniently generates magnetic force.

When the cup bottom is used, the magnets with the number corresponding to that of the first magnets 45 are arranged on the cup bottom, the magnetic poles of the magnets on the cup bottom are arranged corresponding to the magnetic poles of the first magnets 45, specifically, the S poles of the first magnets 45 correspond to the N poles of the magnets on the cup bottom, the attraction between the first magnets and the different poles of the magnets on the cup bottom is realized, and the cup bottom can be attracted tightly through the first magnets 45.

Specifically, the first magnet 45 is divided into two inner and outer circles on the magnet base 44, each circle comprises a plurality of first magnets 45, the first magnets 45 are uniformly distributed on the inner circle and the outer circle, so that the stress is uniform when the whole magnet base 44 is fixedly attracted to the cup bottom, and the magnet base 44 can rotate stably. Preferably, four first magnets 45 are distributed on the inner ring of the magnet base 44, and eight first magnets 45 are distributed on the outer ring, so that magnetic force generated by the first magnets 45 can firmly attract the cup bottom, the cup bottom can rotate together with the magnet base 44, and sufficient binding force between the two magnets is ensured.

In this embodiment, since the magnetic levitation assembly 4 is attracted and fixed to the magnet on the cup bottom by the first magnet 45, a large external force is required to separate the cup bottom from the magnet base 44 after the juicer is used.

In order to facilitate placement of the cup bottom on the magnet base 44, the upper end surface of the magnet base 44 is a horizontal plane, and the upper end surface of the first magnet 45 is flush with the upper end surface of the magnet base 44. Therefore, when the magnetic levitation high-speed brushless dc motor for a juicer is used, the cup bottom is simply placed on the upper end surface of the magnet base 44.

The magnetic suspension high-speed direct current brushless motor for the juicer also comprises a connecting rod 5, one end of the connecting rod 5 is fixed on the magnet base 44, the other end of the connecting rod is fixed on the shell 1, and the shell 1 is sleeved at one end of the rotating shaft 31. The connecting rod 5 is a screw, a threaded hole is formed in the machine shell 1, one end of the connecting rod 5 penetrates through the magnet base 44 and then is matched with the threaded hole, and the magnet base 44 and the machine shell 1 are fixed. In order to further reduce the volume of the whole motor, the lower end surface of the magnet base 44 is a horizontal plane, the top end of the rotating shaft 31 is abutted with the bottom end of the magnet base 44, and the upper end surface of the casing 1 is abutted with the lower end surface of the magnet base 44.

As shown in fig. 3, 4 and 7, the rotor assembly 3 further includes a second magnet 32, and the second magnet 32 is fixed to the inner wall of the casing 1. In order to facilitate the installation of the second magnet 32, a fixing seat 10 is fixed on the inner wall of the casing 1, and the outer diameter of the fixing seat 10 is consistent with the inner diameter of the casing 1, so that the fixing seat 10 can be clamped in the casing 1; a plurality of U-shaped mounting positions are formed in the fixing base 10, and each second magnet 32 is correspondingly mounted on each mounting position, so that the second magnet 32 can be conveniently mounted and fixed.

The utility model discloses a magnetic suspension high-speed direct current brushless motor for a juicer, which also comprises a bracket 6, wherein the bracket 6 is sleeved on a rotating shaft 31, a stator assembly 2 comprises a stator core 21 and a winding 22, the stator core 21 is sleeved on the outer side of the bracket 6, and the winding 22 is wound on the stator core 21. The rotating shaft 31 penetrates through the whole stator core 21, when the winding 22 is electrified to work, the rotating shaft 31 is driven to rotate, and the rotating shaft 31 drives the shell 1 to rotate, so that the high-speed rotation function of the motor is realized.

The magnetic suspension high-speed direct current brushless motor for the juicer also comprises a first bearing 7 and a second bearing 8, wherein the first bearing 7 and the second bearing 8 are respectively positioned at the matching positions of two ends of the bracket 6 and the rotating shaft 31. Through being equipped with first bearing 7 and second bearing 8, can make things convenient for the installation that does not influence support 6 when pivot 31 rotates, avoid pivot 31 and support 6 direct contact to take place wearing and tearing simultaneously, reduced the frictional force that receives when pivot 31 rotates, the high-speed rotation of pivot 31 of being convenient for.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the present utility model.

Claims (10)

1. The utility model provides a high-speed direct current brushless motor of magnetic suspension for fruit juice machine, its characterized in that includes casing (1), stator module (2), rotor subassembly (3) and magnetic suspension subassembly (4), stator module (2) and rotor subassembly (3) are all located in casing (1), rotor subassembly (3) include pivot (31), the one end and the casing (1) of pivot (31) cooperate, magnetic suspension subassembly (4) are connected with casing (1), the below that the terminal surface that the one end of pivot (31) was located is located magnetic suspension subassembly (4) up end.

2. The magnetic levitation high-speed direct current brushless motor for juicer according to claim 1, wherein the magnetic levitation assembly (4) comprises an electromagnet seat (41), a framework (42) and a coil (43), the electromagnet seat (41) is fixed at one end of the rotating shaft (31), the framework (42) is arranged on the electromagnet seat (41), and the coil (43) is wound on the framework (42).

3. The magnetic levitation high-speed direct current brushless motor for juicer according to claim 2, wherein an annular groove (411) is formed on one side of the electromagnet base (41), the skeleton (42) is fixed in the annular groove (411), and the longitudinal section of the skeleton (42) is U-shaped.

4. A magnetic levitation high-speed brushless direct current motor for a juicer according to claim 3, wherein a mounting hole is formed at the top end of the housing (1), one end of the rotating shaft (31) is sleeved in the mounting hole, a mounting groove (412) is formed at the other side of the electromagnet seat (41), and the mounting groove (412) is sleeved on the outer side of the housing (1) and is fixed with the housing (1).

5. The magnetic levitation high-speed direct current brushless motor for juicer according to claim 1, wherein the magnetic levitation assembly (4) comprises a magnet base (44) and a first magnet (45), a groove (441) is formed in one side of the magnet base (44), the plurality of grooves (441) are formed, the plurality of first magnets (45) corresponds to the plurality of grooves (441), the first magnets (45) are installed in the grooves (441), and the magnet base (44) is fixed with the rotating shaft (31).

6. The magnetic levitation high-speed direct current brushless motor for juicer according to claim 5, further comprising a connecting rod (5), wherein one end of the connecting rod (5) is fixed on the magnet base (44), the other end of the connecting rod is fixed on the casing (1), and the casing (1) is sleeved at one end of the rotating shaft (31).

7. A magnetic levitation high-speed dc brushless motor for a juicer according to any one of claims 1-6, wherein the rotor assembly (3) further comprises a second magnet (32), the second magnet (32) being fixed to an inner wall of the housing (1).

8. The magnetic levitation high-speed direct current brushless motor for juicer of claim 7, further comprising a bracket (6), wherein the bracket (6) is sleeved on the rotating shaft (31), the stator assembly (2) comprises a stator core (21) and a winding (22), the stator core (21) is sleeved outside the bracket (6), and the winding (22) is wound on the stator core (21).

9. The magnetic levitation high-speed direct current brushless motor for juicer according to claim 8, further comprising a first bearing (7) and a second bearing (8), wherein the first bearing (7) and the second bearing (8) are respectively positioned at the matching positions of two ends of the bracket (6) and the rotating shaft (31).

10. The magnetic suspension high-speed direct current brushless motor for juicer according to claim 4, further comprising a wire passing bearing (9), wherein the rotating shaft (31) is a hollow shaft, the wire passing bearing (9) is arranged at two ends of the rotating shaft (31), a wire inlet groove (413) is arranged at the top end of the electromagnet seat (41), a wire inlet hole (421) is formed in one side of the framework (42), the wire inlet groove (413) is arranged on one side of the wire inlet hole (421), and the wire inlet groove (413) is arranged on one side of the wire passing bearing (9).