CN218549605U - Rotary mute magnetic field generator - Google Patents

Abstract

The utility model belongs to the technical field of magnetic field generator, especially, relate to a rotatory silence magnetic field generator, establish at the epaxial magnet of plastics, set up the stator module and the rotor subassembly of setting in the magnet bottom of shell cavity bottom including the shell that is tubular structure, the plastics axle, the cover that set up in the shell. The plastic shaft is characterized by further comprising a bearing sleeve and two ball bearings, one end of the plastic shaft is connected with the bottom of the inner cavity of the shell, the other end of the plastic shaft is connected with the top of the inner cavity of the shell, and the two ball bearings are respectively sleeved at two ends of the plastic shaft. The bearing sleeve is arranged between the plastic shaft and the magnet, and the magnet is sleeved on the bearing sleeve. And two buffer assemblies are further arranged in the inner cavity of the shell, the two buffer assemblies are respectively arranged at two ends of the plastic shaft, and each buffer assembly is respectively abutted to each ball bearing. Compared with the traditional method of using a motor to drive the magnet to rotate, the magnet is more silent. The two buffer assemblies are arranged at two ends of the plastic shaft, so that the magnet is prevented from vibrating in the rotating process, collision is generated between the plastic shaft and the shell, and abnormal sound is caused.

Description

Rotary mute magnetic field generator

Technical Field

The utility model belongs to the technical field of magnetic field generator, especially, relate to a rotatory silence magnetic field generator.

Background

Research shows that the magnetic flux brought to human body by the dynamic permanent magnet magnetic field is far larger than that of the static permanent magnet magnetic field, and modern magnetic therapy gradually evolves from static permanent magnet magnetic field magnetic therapy to dynamic permanent magnet magnetic field magnetic therapy. The dynamic permanent magnet magnetic field is that the magnet in the magnetic therapy apparatus generates various motions, such as rolling motion, rotating motion, reciprocating motion and the like, so as to generate better blood circulation promoting effect and obtain better magnetic therapy health care effect.

With the wide popularization of magnetic therapy technology, gyromagnetic devices are mostly used in magnetic therapy equipment such as gyromagnetic beds, gyromagnetic pillows, gyromagnetic cushions, gyromagnetic waistbands and the like. The power of the gyromagnetic device in the prior art mostly adopts a motor to drive a linkage mechanism to move so as to drive a gyromagnetic unit to rotate, the traditional mechanical linkage mechanism has an inevitable impedance effect, the energy consumption is high, meanwhile, noise is easily caused, and when the rotating speed required by the gyromagnetic device is high, the requirement on the rotating speed of the motor is correspondingly high, so that the cost is increased, and the brought noise is relatively increased; most of the magnetic therapy devices are attached to the body of a patient, and the comfort of the patient is affected by the defects brought by the power source of the existing gyromagnetic device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatory silence magnetic field generator aims at solving the big technical problem of noise of rotatory silence magnetic field generator among the prior art.

In order to achieve the above object, an embodiment of the present invention provides a rotating mute magnetic field generator, which comprises a cylindrical housing, a plastic shaft disposed in the housing, a magnet disposed on the plastic shaft, a stator assembly disposed at the bottom of the inner cavity of the housing, and a rotor assembly disposed at the bottom of the magnet. The plastic shaft is characterized by further comprising a bearing sleeve and two ball bearings, one end of the plastic shaft is connected with the bottom of the inner cavity of the shell, the other end of the plastic shaft is connected with the top of the inner cavity of the shell, and the two ball bearings are sleeved at two ends of the plastic shaft respectively. The bearing sleeve is arranged between the plastic shaft and the magnet, and the magnet is sleeved on the bearing sleeve. And two buffer assemblies are further arranged in the inner cavity of the shell, the two buffer assemblies are respectively arranged at two ends of the plastic shaft, and each buffer assembly is respectively abutted to each ball bearing.

Further, the buffering subassembly includes silica gel cushion and ebonite pad, and the silica gel cushion is and opens the cavity structure, and ebonite pad is located the intracavity of opening of silica gel cushion, the one end butt shell of silica gel cushion, the one end butt ball bearing of ebonite pad.

Furthermore, the lower extreme of bearing housing still is equipped with first suspension magnet, and the bottom of shell inner chamber is equipped with the second suspension magnet corresponding with first suspension magnet, and first suspension magnet is different with second suspension magnet magnetic pole.

Further, still include a plastic set casing, the fixed shell cover of plastic is established on two ball bearing, is equipped with a plurality of on the plastic set casing and places the position, and magnet setting is on placing the position.

Furthermore, the bottom end of the plastic fixed shell is provided with a plurality of layers of iron plates.

Further, stator module includes circuit board, 9 polar coils and power connecting wire, and the circuit board setting is in the bottom of shell cavity, 9 polar coils and circuit board electric connection, power connecting wire and circuit board electric connection, and the power connecting wire extends to the outside of shell.

Further, the rotor component is a plurality of 12-pole magnetic rings, and the 12-pole magnetic rings are distributed at the bottom end of the iron plate in an annular array mode around the plastic shaft.

Further, the shell comprises a bottom shell and an upper cover, the bottom shell is of an open cavity structure with an upward opening, and the upper cover is pressed at the opening of the bottom shell and detachably connected with the bottom shell.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the rotatory silence magnetic field generator has one of following technological effect at least:

1. magnet cover is established on the bearing housing, and the both ends of plastics axle are equipped with ball bearing, and two ball bearing cooperate with the bearing housing, and when using, stator module circular telegram produces magnetic field, and drive rotor subassembly rotates, and the rotor subassembly drives magnet and rotates around the plastics axle to produce magnetotherapy health care effect, the combination drive magnet who uses stator module and rotor subassembly rotates, and the contrast tradition uses motor mode drive magnet to rotate more for the silence. The two buffer assemblies are arranged at two ends of the plastic shaft, one end of each buffer assembly is connected with the plastic shaft in an abutting mode, the other end of each buffer assembly is connected with the shell in an abutting mode, and magnets are prevented from vibrating in the rotating process, so that collision is generated between the plastic shafts and the shells, abnormal sound is caused, and the mute effect is further improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is an exploded schematic view of a rotating silent magnetic field generator according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a rotating silent magnetic field generator according to an embodiment of the present invention.

Reference numbers: 100. a housing; 110. a buffer assembly; 111. a silica gel cushion; 112. a hard rubber pad; 120. a second levitation magnet; 130. a bottom case; 140. an upper cover; 200. a plastic shaft; 300. a magnet; 400. a stator assembly; 410. a circuit board; 420. a 9-pole coil; 430. a power connection line; 500. a rotor assembly; 510. a 12-pole magnetic ring; 600. a bearing housing; 610. a first levitation magnet; 700. a ball bearing; 800. a plastic fixed shell; 810. placing a bit; 820. an iron plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the embodiments of the present invention, and should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, referring to fig. 1 to 2, a rotational silent magnetic field generator is provided, which comprises a casing 100 having a cylindrical structure, a plastic shaft 200 disposed in the casing 100, a magnet 300 sleeved on the plastic shaft 200, a stator assembly 400 disposed at the bottom end of the inner cavity of the casing 100, and a rotor assembly 500 disposed at the bottom end of the magnet 300. The plastic shaft comprises a bearing sleeve 600 and two ball bearings 700, one end of the plastic shaft 200 is connected with the bottom of the inner cavity of the shell 100, the other end of the plastic shaft is connected with the top of the inner cavity of the shell 100, and the two ball bearings 700 are respectively sleeved at the two ends of the plastic shaft 200. The bearing housing 600 is disposed between the plastic shaft 200 and the magnet 300, and the magnet 300 is fitted over the bearing housing 600. Two buffer assemblies 110 are further disposed in the inner cavity of the housing 100, the two buffer assemblies 110 are respectively disposed at two ends of the plastic shaft 200, and each buffer assembly 110 is respectively abutted to each ball bearing 700. In this embodiment, magnet 300 cover is established on bearing housing 600, and the both ends of plastics axle 200 are equipped with ball bearing 700, and two ball bearing 700 cooperate with bearing housing 600, and when using, stator module 400 circular telegram produces magnetic field, and drive rotor subassembly 500 rotates, and rotor subassembly 500 drives magnet 300 and rotates around plastics axle 200 to produce magnetotherapy health care effect, use stator module 400 and rotor subassembly 500's combination drive magnet 300 to rotate, it is more silent to use motor mode drive magnet 300 to rotate than the tradition. Two buffering subassemblies 110 set up the both ends at plastic shaft 200 in addition, buffering subassembly 110 one end butt plastic shaft 200, and the other end butt shell 100 avoids magnet 300 to produce vibrations at rotatory in-process, leads to producing the collision between plastic shaft 200 and the shell 100, causes the abnormal sound, further promotes the silence effect.

Specifically, referring to fig. 1 to 2, the cushion assembly 110 includes a silicone cushion 111 and a hard cushion 112, the silicone cushion 111 is in an open cavity structure, the hard cushion 112 is located in the open cavity of the silicone cushion 111, one end of the silicone cushion 111 abuts against the housing 100, and one end of the hard cushion 112 abuts against the ball bearing 700. In this embodiment, silica gel cushion 111 is the structure of opening the chamber, hard cushion 112 is located the intracavity that opens of silica gel cushion 111, the one end butt shell 100 of silica gel cushion 111, the one end butt ball bearing 700 of hard cushion 112, hard cushion 112 and ball bearing 700 butt, avoid magnet 300 to drive ball bearing 700 at the pivoted in-process and rotate, lead to ball bearing 700 to take place the skew, the open end parcel hard cushion 112 of silica gel cushion 111, the other end and shell 100 butt, avoid magnet 300 to drive ball bearing 700 vibrations at the pivoted in-process, lead to ball bearing 700 and shell 100 to bump, produce the abnormal sound.

Specifically, referring to fig. 1 to 2, a first levitation magnet 610 is further disposed at a lower end of the bearing housing 600, a second levitation magnet 120 corresponding to the first levitation magnet 610 is disposed at a bottom end of the inner cavity of the housing 100, and magnetic poles of the first levitation magnet 610 and the second levitation magnet 120 are different. In this embodiment, the first levitation magnet 610 and the second levitation magnet 120 have different magnetic poles, and attract each other, so as to play a positioning role in the assembly process, so that the assembly is more convenient, and the probability of misalignment caused by vibration generated by rotation of the bearing sleeve 600 in the rotation process of the magnet 300 can be reduced.

Specifically, referring to fig. 1 to 2, the ball bearing further includes a plastic fixing housing, the plastic fixing housing is sleeved on the two ball bearings 700, the plastic fixing housing is provided with a plurality of placing positions 810, and the magnet 300 is disposed on the placing positions 810. In this embodiment, the plastic fixing shell is sleeved on the two ball bearings 700, the plastic fixing shell is provided with a plurality of placing positions 810, the magnet 300 is arranged on the placing positions 810, and the magnet 300 is placed into different placing positions 810, so that different dynamic permanent magnet magnetic fields can be obtained, and different magnetic therapy health care effects can be achieved.

Specifically, referring to fig. 1 to 2, the bottom end of the plastic fixing case 800 is provided with a plurality of layers of iron plates 820. In this embodiment, the bottom end of the plastic fixing shell 800 is provided with a plurality of layers of iron plates 820, and the iron plates 820 can effectively isolate the influence of the magnetism of the rotor assembly 500 on the magnetism of the magnet 300.

Specifically, referring to fig. 1 to 2, the stator assembly 400 includes a circuit board 410, a 9-pole coil 420 and a power connection line 430, the circuit board 410 is disposed at the bottom end of the inner cavity of the casing 100, the 9-pole coil 420 is electrically connected to the circuit board 410, the power connection line 430 is electrically connected to the circuit board 410, and the power connection line 430 extends to the outside of the casing 100. In the present embodiment, the 9-pole coil 420 is electrically connected to the circuit board 410, the power connection line 430 is electrically connected to the circuit board 410, and the power connection line 430 extends to the outside of the housing 100, and the circuit board 410 controls the magnetic transformation of the stator assembly 400 and the magnetic material of the rotor assembly 500 to interact with each other to drive the rotor assembly 500 to rotate back and forth at a predetermined amplitude.

Specifically, referring to fig. 1 to 2, the rotor assembly 500 is a plurality of 12-pole magnetic rings 510, and each 12-pole magnetic ring 510 is distributed at the bottom end of the iron plate 820 in an annular array around the plastic shaft 200. In this embodiment, the 12-pole magnetic rings 510 are distributed at the bottom end of the iron plate 820 in an annular array around the plastic shaft 200, so that the plastic fixing shell 800 is uniformly stressed, thereby preventing the ball bearing 700 from bearing excessive radial force due to uneven stress, causing the ball bearing 700 to be worn, and increasing the friction force between the ball bearing 700 and the bearing sleeve 600.

Specifically, referring to fig. 1 to 2, the housing 100 includes a bottom case 130 and an upper cover 140, the bottom case 130 is an open-cavity structure with an upward opening, and the upper cover 140 covers the opening of the bottom case 130 and is detachably connected to the bottom case 130. In this embodiment, the housing 100 includes a bottom case 130 and an upper cover 140, the bottom case 130 is an open cavity structure with an upward opening, the upper cover 140 covers the opening of the bottom case 130 and is detachably connected to the bottom case 130, so as to facilitate observing whether parts are damaged inside the housing 100, and facilitating replacing the parts.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. A rotary mute magnetic field generator comprises a shell in a cylindrical structure, a plastic shaft arranged in the shell, a magnet sleeved on the plastic shaft, a stator component arranged at the bottom end of an inner cavity of the shell and a rotor component arranged at the bottom end of the magnet; the method is characterized in that: the plastic shaft is characterized by further comprising a bearing sleeve and two ball bearings, wherein one end of the plastic shaft is connected with the bottom of the inner cavity of the shell, the other end of the plastic shaft is connected with the top of the inner cavity of the shell, and the two ball bearings are respectively sleeved at two ends of the plastic shaft; the bearing sleeve is arranged between the plastic shaft and the magnet, and the magnet is sleeved on the bearing sleeve; and two buffering assemblies are further arranged in the inner cavity of the shell, the two buffering assemblies are respectively arranged at two ends of the plastic shaft, and each buffering assembly is respectively abutted to each ball bearing.

2. A rotating silent magnetic field generator as claimed in claim 1, characterized in that: the buffering subassembly includes silica gel cushion and ebonite, the silica gel cushion is open cavity structure, the ebonite pad is located the intracavity of opening of silica gel cushion, the one end butt of silica gel cushion the shell, the one end butt of ebonite pad ball bearing.

3. A rotating silent magnetic field generator as claimed in claim 1, characterized in that: the lower extreme of bearing housing still is equipped with first suspension magnet, the bottom of shell inner chamber be equipped with the corresponding second suspension magnet of first suspension magnet, first suspension magnet with the second suspension magnet magnetic pole is different.

4. A rotating silent magnetic field generator as claimed in claim 1, characterized in that: still include a plastic set casing, the fixed shell cover of plastic is established two on the ball bearing, it places the position to be equipped with a plurality of on the plastic set casing, magnet sets up place on the position.

5. A rotating silent magnetic field generator as claimed in claim 4, characterized in that: the bottom end of the plastic fixing shell is provided with a plurality of layers of iron plates.

6. A rotating silent magnetic field generator as claimed in claim 5, characterized in that: stator module includes circuit board, 9 polar coils and power connecting wire, the circuit board sets up the bottom of shell inner chamber, 9 polar coils with circuit board electric connection, the power connecting wire with circuit board electric connection, just the power connecting wire extends to the outside of shell.

7. A rotating silent magnetic field generator as claimed in claim 5, characterized in that: the rotor assembly is a plurality of 12-pole magnetic rings, and the 12-pole magnetic rings are distributed at the bottom end of the iron plate in an annular array mode around the plastic shaft.

8. A rotating silent magnetic field generator as claimed in any of claims 1 to 7, characterized in that: the shell comprises a bottom shell and an upper cover, the bottom shell is of an open cavity structure with an upward opening, and the upper cover covers the opening of the bottom shell and is detachably connected with the bottom shell.

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