CN210933452U - Rotary constant magnetic device for magnetic therapy - Google Patents

Abstract

The utility model discloses a rotary constant magnetic device for magnetic therapy, which comprises a machine body and a shell; the machine body comprises a motor and a permanent magnet; the permanent magnet is sleeved on the motor shaft; the motor drives the permanent magnet to rotate; a bearing is fixed on the motor shaft; the shell comprises a first shell and a second shell; a first groove is formed in the first shell; a second groove is formed in the second shell; a third groove is also formed in the first shell; a fourth groove is also formed in the second shell; the third groove and the fourth groove clamp and fix the bearing; the first groove and the second groove clamp and fix the end surface of the motor; the axes of the motor, the permanent magnet and the bearing are positioned on the same straight line. The first groove of the first shell is matched with the second groove of the second shell to clamp the end of the motor, the third groove of the first shell and the fourth groove of the second shell clamp the bearing, and the axes of the motor, the permanent magnet and the bearing are located on the same straight line, so that the concentricity of the whole device is ensured, and the swing amplitude of dynamic balance rotation is reduced.

Description

Rotary constant magnetic device for magnetic therapy

Technical Field

The utility model relates to a physiotherapy equipment technical field specifically is a rotatory permanent magnetism device for magnetotherapy.

Background

Modern people often sit for a long time, lack of movement and are added with emotional fluctuation caused by increasing working pressure, so that the blood circulation of the body is slowed, the metabolic rate is slowed, and a plurality of blood diseases, such as blood circulation disorder, cardiovascular and cerebrovascular diseases and the like, follow the blood. At present, medicines, bridges or stents are mainly adopted for treating vascular diseases, and the treatment methods bring great pain to patients and also bring great economic burden to families of the patients.

Compared with the pharmacotherapy, the physiotherapy becomes a better choice for people, and the existing rotating magnetic field physiotherapy devices have two types, one type is electromagnetic equipment, the defect is that electromagnetic radiation exists, and the electromagnetic radiation is very unfavorable for the health; the other mode is that a rotating permanent magnet is adopted, the rotating permanent magnet does a motion of cutting magnetic induction lines relative to a human body, blood circulation is promoted, radiation is avoided, the permanent magnet consists of two magnets with opposite polarities, concentricity is insufficient, the structure is easy to cause uneven gravity distribution for a rotating body, dynamic balance rotation swing amplitude is large, motor running resistance is large, noise and shaking are easy to generate during working, and the whole structure is unstable.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem to above-mentioned prior art exists provides a magnetotherapy is with rotatory permanent magnetism device.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a rotary constant magnetic device for magnetic therapy comprises a machine body and a shell;

the machine body comprises a motor and a permanent magnet; the permanent magnet is sleeved on the motor shaft; the motor drives the permanent magnet to rotate; a bearing is fixed on the motor shaft;

the housing comprises a first shell and a second shell; a first groove and a third groove are formed in the first shell; a second groove and a fourth groove are formed in the second shell;

the third groove and the fourth groove clamp and fix the bearing; the first groove and the second groove clamp and fix the end face of the motor; the axes of the motor, the permanent magnet and the bearing are positioned on the same straight line.

Furthermore, a shaft pin is arranged on one side of the motor shaft relative to the permanent magnet, and a nut is arranged on the other side of the motor shaft; the shaft pin and the nut are used for fixing the permanent magnet.

Further, a flat gasket is arranged between the permanent magnet and the nut.

Furthermore, a clamp groove is formed in the shell.

Further, the motor is a speed-adjustable motor.

Furthermore, a clamp spring groove is formed in the motor shaft, and the clamp spring is arranged in the clamp spring groove and used for limiting and fixing the bearing.

The utility model has the advantages that:

the utility model provides a rotary permanent magnet device for magnetic therapy, which is convenient and fast because the whole machine body is encapsulated in the shell after the end part of the motor shaft is provided with the bearing and can be directly installed on a chair, a bed and other positions; the shell divide into first casing and second casing, the tip of motor is carried out the centre gripping with the second recess that sets up in the first recess cooperation second casing that sets up in the first casing, the third recess that sets up in the first casing carries out the centre gripping with the fourth recess that sets up in the second casing to the bearing, make whole organism stable fixation in the shell, and the motor, the axle center of permanent magnet and bearing is located same straight line, the concentricity of whole device has been guaranteed, when making whole device rotatory, gravity distribution is more even, reduce the rotatory range of swing of dynamic balance, the motor running resistance has been reduced, the difficult production of device during operation is rocked.

Drawings

FIG. 1 is a schematic view of the structure of the rotary constant magnetic device for magnetic therapy of the present invention;

FIG. 2 is a schematic view of the internal structure of the rotary constant magnetic device for magnetic therapy of the present invention;

FIG. 3 is an exploded view of the rotary constant magnetic device for magnetic therapy of the present invention;

fig. 4 is a schematic structural view of a first casing of the present invention;

fig. 5 is a schematic view of a second housing structure of the present invention.

In the figure: 1-a second shell, 2-a power line, 3-a wire outlet hole, 4-a first shell, 42-a first groove, 421-a circular arc groove, 43-a third groove, 45-a fifth groove, 5-a hoop groove, 6-a motor, 61-a motor end face, 7-a permanent magnet, 71-an N pole, 72-an S pole, 8-a flat pad, 9-a nut, 10-a bearing, 11-a motor shaft, 111-a first through hole, 12-a snap spring, 13-a shaft pin, 61-a motor end face, 17-a second groove, 171-another circular arc groove, 18-a fourth groove, and 19-a sixth groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-5, a rotary constant magnetic device for magnetic therapy comprises a body and a shell.

The machine body comprises a motor 6 and a permanent magnet 7, wherein the motor 6 drives the permanent magnet 7 to rotate, and the human body is cut into magnetic induction lines.

The permanent magnet 7 is an NdFeB permanent magnet and consists of an N pole 71 and an S pole 72, the constant magnetic field intensity of the permanent magnet is 4000 to 20000 gausses, and the motor 6 is a direct current 24V motor.

The permanent magnet 7 is provided with a channel, the motor shaft 11 passes through the channel and then is in interference fit with the permanent magnet 7, and when the motor shaft 11 rotates, the permanent magnet 7 rotates along with the channel.

First through-hole 111 has been seted up to one of them side that lies in permanent magnet 7 on motor shaft 11, and pivot 13 sets up in first through-hole 111, and the opposite side that lies in permanent magnet 7 on motor shaft 11 is equipped with the screw thread, and nut 9 closes through above-mentioned screw thread twist and connects on motor shaft 11, and pivot 13 and nut 9 mutually support, fix permanent magnet 7 on motor shaft 11 firmly.

A flat pad groove is formed in the position, located between the nut 9 and the permanent magnet 7, of the motor shaft 11, a flat pad 8 is arranged in the flat pad groove, the flat pad 8, the nut 9 and the permanent magnet 7 are pressed tightly, and the flat pad 8 is arranged between the nut 9 and the permanent magnet 7 and used for preventing the nut 9 from loosening and dispersing pressure of the nut 9 on the permanent magnet 7.

The end of the motor shaft 11 is provided with a bearing groove, the bearing 10 is fixed in the bearing groove, and the bearing groove can prevent the bearing 10 from sliding relative to the motor shaft 11.

The shell is used for encapsulating the organism, the shell includes first casing 4 and second casing 1, the opening outer fringe of first casing 4 is equipped with the outer boss of round, the opening inner fringe of second casing 1 is equipped with the boss in the round, first casing 4 and second casing 1 are through above-mentioned boss and outer boss lock, later first casing 4 and second casing 1 carry out seamless seal weld through ultrasonic welding technique, seamless seal weld can play dustproof damp-proofing effect, the protection organism is not corroded, the material of first casing 4 and second casing 1 is plastics.

Be equipped with first boss in first casing 4, seted up first recess 42 on the first boss, the middle part of first recess 42 is sunken to first casing 4 bottom surface and is formed circular arc groove 421, and during the lower extreme of motor terminal surface 61 inserted first recess 42, the fuselage lower part of motor 6 was placed in circular arc groove 421.

Be equipped with the second boss in the second casing 1, seted up second recess 17 on the second boss, the middle part of second recess 17 is sunken to second casing 1 bottom surface and is formed another circular arc groove 171, and during the upper end of motor end face 61 inserted second recess 17, the fuselage upper portion of motor 6 was placed in another circular arc groove 171.

When first casing 4 and second casing 1 lock, first recess 42 and second recess 17 mutually support, fix motor end face 61 restriction in the shell, can not take place to rock when motor 6 moves, and is more stable, the production of noise reduction.

Still be equipped with the third boss in the first casing 4, be equipped with third recess 43 on the third boss, third recess 43 is used for holding the lower extreme of bearing 10, and third recess 43 has first lateral wall, has seted up fifth recess 45 on the first lateral wall, and fifth recess 45 is used for holding the lower extreme of motor shaft 11. Still be equipped with the fourth boss in the second casing 1, be equipped with fourth recess 18 on the fourth boss, fourth recess 18 is used for holding the upper end of bearing 10, and fourth recess 18 has the second lateral wall, has seted up sixth recess 19 on the second lateral wall, and sixth recess 19 is used for holding the upper end of motor shaft 11.

The third boss and the fourth boss are normally disposed in close proximity to the housing wall to provide more structural stability.

When the first housing 4 and the second housing 1 are engaged, the third groove 43 and the fourth groove 18 clamp and fix the bearing 10, and the fifth groove 45 and the sixth groove 19 receive the end of the motor shaft 11.

In the above arrangement, the axes of the motor 6, the permanent magnet 7 and the bearing 10 are located on the same straight line, so that the concentricity of the whole device is ensured, when the whole device rotates, the gravity distribution is more uniform, the dynamic balance rotation swing amplitude is reduced, the motor running resistance is reduced, the device is not easy to shake during working, a clamp spring groove is further formed in the motor shaft 11, and the clamp spring 12 is arranged in the clamp spring groove and used for limiting the fixing of the bearing 10 and preventing the bearing 10 from moving towards the nut 9.

The first shell 4 and the second shell 1 are fixedly packaged through a technical ultrasonic technology, and a power line 2 of a motor 6 extends out through a wire outlet hole 3 formed in the shell and is connected with an external power supply.

Still be equipped with the clamp groove 5 that is used for the card to establish the clamp on the shell, be convenient for install and use.

The working principle of the utility model is as follows:

the utility model provides a rotatory permanent magnetism device is used to magnetotherapy, the device passes through below such as clamp direct mount bed, chair, it should be noted during the installation, permanent magnet 7 is at the during operation, the direction of line is felt to magnetism should be perpendicular with the human body, behind the switch on, motor 6 drive permanent magnet 7 rotates, form the magnetic field of stable change, the line is felt to magnetism is by human body cutting back, produce the lorentz force, the lorentz force acts on the internal body fluid of human body, promote blood circulation.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (6)

1. The utility model provides a magnetotherapy is with rotatory permanent magnetism device which characterized in that: comprises a machine body and a shell;

the machine body comprises a motor (6) and a permanent magnet (7); the permanent magnet (7) is sleeved on the motor shaft (11); the motor (6) drives the permanent magnet (7) to rotate; a bearing (10) is fixed on the motor shaft (11);

the housing comprises a first shell (4) and a second shell (1); a first groove (42) and a third groove (43) are arranged in the first shell (4); a second groove (17) and a fourth groove (18) are arranged in the second shell (1);

the third groove (43) and the fourth groove (18) clamp and fix the bearing (10); the first groove (42) and the second groove (17) clamp and fix the end surface (61) of the motor; the axes of the motor (6), the permanent magnet (7) and the bearing (10) are positioned on the same straight line.

2. The rotary constant magnetic apparatus for magnetic therapy according to claim 1, characterized in that: a shaft pin (13) is arranged on one side of the motor shaft (11) relative to the permanent magnet (7), and a nut (9) is arranged on the other side; the shaft pin (13) and the nut (9) are used for fixing the permanent magnet (7).

3. The rotary constant magnetic apparatus for magnetic therapy according to claim 2, characterized in that: and a flat gasket (8) is arranged between the permanent magnet (7) and the nut (9).

4. The rotary constant magnetic apparatus for magnetic therapy according to claim 1, characterized in that: the shell is provided with a clamp groove (5).

5. A rotary constant magnetic device for magnetic therapy according to any one of claims 1 to 4, characterized in that: the motor (6) is a speed-adjustable motor.

6. The rotary constant magnetic apparatus for magnetic therapy according to claim 5, characterized in that: a clamp spring groove is further formed in the motor shaft (11), and a clamp spring (12) is arranged in the clamp spring groove and used for limiting and fixing the bearing (10).

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