CN217778527U - Magnetic suspension type buffer device - Google Patents

Abstract

The utility model provides a magnetic suspension type buffer device, it includes a pedestal, a first moving part and a second moving part. The seat body is provided with an accommodating space, and a first buffer piece and a second buffer piece which are oppositely arranged are arranged in the accommodating space of the seat body; the first movable piece is provided with a first magnetic end which is movably arranged in the accommodating space, and the first movable piece is abutted against the first buffer piece; the second moving part is provided with a second magnetic end which is movably arranged in the accommodating space, and the second magnetic end is arranged opposite to the first magnetic end face and can repel magnetically, so that the second moving part is abutted against the second buffer part. Therefore, the utility model discloses can absorb the shaking force according to the preface through first bolster and second bolster, and can reach the shock attenuation purpose.

Description

Magnetic suspension type buffer device

Technical Field

The present invention relates to a buffer device, and more particularly to a magnetic suspension buffer device for effectively damping vibrations.

Background

With the popularization of the smart phone, the smart phone is used as navigation during driving, or various information is acquired during driving, or the smart phone is temporarily placed on a fixed support, so that the inconvenience of holding the smart phone by hand is avoided, and the smart phone is a common scene.

The smart phone is usually mounted on the front of the motorcycle by a fixing bracket or fixed on a front platform of the motorcycle. However, the smart phone includes a plurality of precise electronic components, and vibrations generated when the vehicle travels on a road surface are easily and indirectly transmitted to the smart phone, thereby causing damage to the electronic components (such as an optical lens module); in addition, because the vibrations of vehicle also can lead to the fixed bolster to vibrate thereupon, so make smart mobile phone be difficult to see clearly its screen display's content because of vibrations, consequently, how effectively to solve this kind of problem, be one of the purpose that the utility model discloses want to solve.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the present invention provides a magnetic suspension type buffering device to achieve the purpose of shock absorption by the magnetic repulsion effect of two magnet pieces.

An embodiment of the present invention provides a magnetic suspension buffer device, which includes a base, a first movable member and a second movable member. The seat body is provided with an accommodating space, and a first buffer piece and a second buffer piece which are oppositely arranged are arranged in the accommodating space of the seat body; the first movable piece is provided with a first magnetic end and a first mounting end on two opposite sides, the first magnetic end is movably arranged in the accommodating space, and a first bearing part is arranged between the first magnetic end and the first mounting end and used for bearing against the first buffer piece; and the second moving part is provided with a second magnetic end and a second mounting end on two opposite sides, the second magnetic end is movably arranged in the accommodating space, a second bearing part is arranged between the second magnetic end and the second mounting end, and the second magnetic end and the first magnetic end face are oppositely arranged and can be magnetically repelled, so that the second moving part is abutted against the second buffer part.

Therefore, the utility model discloses a first bolster and second bolster layering setting for carry out twice absorption to the shaking force, in order to reach the purpose of double-deck shock attenuation, buffering, and the first magnetism end of first moving part and the second magnetism end magnetism of second moving part repel each other, make first moving part, second moving part receive vibrations to influence the back, can also reach the effect that resets.

In another embodiment, the base includes a lower shell and an upper shell connected to each other, the lower shell has a first inner ring portion, the first inner ring portion has a first inner wall, the first buffer member is disposed between the first inner wall and the first supporting portion, the upper shell has a second inner ring portion, the second inner ring portion has a second inner wall, and the second buffer member is disposed between the second inner wall and the second supporting portion.

In another embodiment, the first movable member has a first shaft portion and a first disk portion extending from the first shaft portion, the first magnetic end is disposed on the first disk portion, and the first mounting end is disposed on the first shaft portion away from the first disk portion; the second movable piece is provided with a second shaft part and a second disc part extending out of the second shaft part, the second magnetic end is arranged on the second disc part, and the second mounting end is far away from the second disc part and is arranged on the second shaft part.

In another embodiment, the first inner ring portion has a first through hole communicated with the accommodating space, and the first through hole is used for the first shaft portion to pass through; the second inner ring portion is provided with a second through hole communicated with the accommodating space, and the second through hole is used for the second shaft portion to penetrate and extend.

In another embodiment, the height of the upper shell is less than that of the lower shell, and the upper shell and the lower shell are screwed with each other; the first mounting end is provided with a locking hole for connecting and fixing a fixing seat, and the second mounting end is provided with a mounting hole for connecting and fixing a support.

In another embodiment, the first disk portion has a first groove, so that an annular first magnet is embedded in the first groove; the second disk part is provided with a second groove, so that an annular second magnet is embedded in the second groove, the depths of the first groove and the second groove are the same, and the first magnet and the second magnet are permanent magnets.

In another embodiment, the outer side of the first inner ring portion has a first outer ring groove, so that a third buffer member is disposed; the depth of the first outer ring groove is smaller than the height of the third cushion member.

In another embodiment, the outer side of the second inner ring portion has a second outer ring groove, so that a fourth buffer member is disposed; the depth of the second outer ring groove is smaller than the height of the fourth buffer piece.

Another embodiment of the present invention provides a magnetic suspension buffer device, which includes a base and a movable seat. The base body is provided with an accommodating space, and a first buffer piece and a first magnetic piece which are oppositely arranged are arranged in the accommodating space of the base body; one side of the movable seat is provided with a movable end and a mounting end, the movable end is provided with a second magnetic part, the movable end is movably arranged in the accommodating space, the second magnetic part and the first magnetic part are arranged face to face and can repel magnetically, and a bearing part is arranged between the movable end and the mounting end and used for bearing against the first buffer part.

Therefore, the purpose of buffering vibration is achieved by utilizing the magnetic repulsion effect of the second magnetic part and the first magnetic part.

In another embodiment, the base includes a lower shell and an upper shell connected to each other, the lower shell has an inner ring portion, the inner ring portion has an inner wall, and the first buffer member is disposed between the inner wall and the supporting portion.

In another embodiment, the movable seat has a shaft portion and a disk portion extending from the shaft portion, the second magnetic member is disposed on the disk portion, and the mounting end is disposed on the shaft portion away from the disk portion; the inner ring portion is provided with a through hole communicated with the accommodating space, and the through hole is used for the shaft portion to penetrate and extend.

In another embodiment, the height of the upper shell is less than that of the lower shell, and the upper shell and the lower shell are screwed with each other; the mounting end is provided with a lock hole for connecting and fixing a fixed seat, and the upper shell is provided with a fixed part for fixedly connecting with a bracket.

In another embodiment, the inner ring portion has an outer wall, such that a second buffer is disposed, and the first magnetic element and the second magnetic element are permanent magnets.

Drawings

Fig. 1 is a perspective view of a magnetic suspension buffer device according to a first embodiment of the present invention disposed between a fixing base and a support, and showing a smart phone clamped on the support;

fig. 2 is an external view schematically illustrating a magnetic levitation type buffering device according to a first embodiment of the present invention;

fig. 3 is an exploded view of a magnetic suspension buffer device according to a first embodiment of the present invention;

fig. 4 is a schematic cross-sectional view illustrating a magnetic suspension buffer device disposed between a fixing base and a bracket according to a first embodiment of the present invention;

FIG. 5 is a schematic view of the magnetic suspension buffer device according to the first embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of a magnetic suspension buffer device according to a second embodiment of the present invention.

Description of the reference numerals

100 magnetic suspension type buffer device 1 fixed seat

1a bolt 2 support

2a screw hole 3 intelligent mobile phone

4: fixing seat 401: bolt

5: support 501: bolt

10 seat body 10a seat body

11 accommodating space 11a accommodating space

12 first buffer 13 second buffer

12a first cushioning member 13a second cushioning member

14 lower case 14a lower case

141 male screw 141a female screw

142a first inner ring portion 142a first inner wall

142b a first through hole 143 a first outer ring groove

15: upper shell 151: internal thread

15a upper shell 151a external thread

152 second inner ring portion 152a second inner wall

152b second through hole 153 second outer ring groove

154 fixed part 16 first magnetic member

17 inner ring part 171 inner wall

172 outer wall 173 perforated

20: a first movable member 21: a first magnetic end

22 first mounting end 23 first bearing part

24 first shaft portion 241 locking hole

25 first disk portion 251 first recess

26 first magnet 30 second moving part

31 second magnetic end 32 second mounting end

33 second bearing part 34 second shaft part

35 second disk part 351 second groove

36 second magnet 37 mounting hole

38, screw 40, third buffer

50 fourth cushion member 60 Movable seat

61, movable end 62, mounting end

621 locking hole 63 and second magnetic member

64 bearing part 65 shaft part

66 disk part G distance

N is magnetic pole S is magnetic pole

100a, a magnetic suspension type buffer device.

Detailed Description

For the purpose of illustrating the invention, the following detailed description will be given with reference to the accompanying drawings. The various elements of the embodiments are drawn to scale as appropriate for the illustrations and not to scale as actual elements.

Please refer to fig. 1 to 5, the utility model provides a magnetic levitation type buffer 100's first embodiment, magnetic levitation type buffer 100 is disposed between a fixing base 1 and a support 2, fixing base 1 sets firmly on the vehicle, for example, the leading one side of motorcycle, support 2 is used for pressing from both sides and establishes a smart mobile phone 3, and when the vehicle went through the road and produce vibrations, its shaking force passes through fixing base 1 and transmits extremely the utility model discloses, through the utility model discloses and can play the effect of suppressing the vibrations to smart mobile phone 3, thereby avoid smart mobile phone 3 to produce harmful effects or influence the watching of knight to smart mobile phone 3 because of vibrations. The magnetic suspension type buffering device 100 includes a base 10, a first movable member 20 and a second movable member 30, wherein the first movable member 20 is connected to the fixed base 1, and the second movable member 30 is connected to the bracket 2.

The base 10 has a receiving space 11, and a first buffer 12 and a second buffer 13 are oppositely disposed in the receiving space 11 of the base 10. In the present embodiment, the first buffer 12 and the second buffer 13 are annular, and are made of Polyurethane (PU), or are made of a spring or other materials with elastic buffering.

In the embodiment of the present invention, the seat body 10 includes a lower shell 14 and an upper shell 15 connected to each other, the outer shapes of the lower shell 14 and the upper shell 15 are ring-shaped, and both are screwed together in a screwing manner, for example, the lower shell 14 includes an external thread 141 screwed to an internal thread 151 of the upper shell 15. The lower shell 14 has a first inner ring portion 142, the first inner ring portion 142 has a first inner wall 142a and a first through hole 142b, the first inner wall 142a is located at one side of the interior of the accommodating space 11, and the first through hole 142b is communicated with the accommodating space 11. The height of the upper shell 15 is less than that of the lower shell 14, the upper shell 15 has a second inner ring portion 152, the second inner ring portion 152 has a second inner wall 152a and a second through hole 152b, the second inner wall 152a is located at the other side of the interior of the accommodating space 11, and the second through hole 152b is communicated with the accommodating space 11.

The first movable member 20 has a first magnetic end 21 and a first mounting end 22 disposed on opposite sides thereof, the first magnetic end 21 is movably disposed in the accommodating space 11, and a first bearing portion 23 is disposed between the first magnetic end 21 and the first mounting end 22. The first buffering member 12 is disposed between the first inner wall 142a and the first supporting portion 23 of the first movable member 20, so that the first movable member 20 is supported against the first buffering member 12 through the first supporting portion 23, and the buffering effect of the first movable member 20 when the first movable member 20 vibrates is provided.

In the embodiment of the present invention, the first movable member 20 has a first shaft portion 24 and a first disc portion 25 extending from the first shaft portion 24, and the first mounting end 22 has a locking hole 241, which can be fixedly connected to the bolt 1a of the fixing base 1, so that the first movable member 20 is connected to the fixing base 1. The first magnetic end 21 is provided on the first disk portion 25, and the first mounting end 22 is provided on the first shaft portion 24 away from the first disk portion 25. The first disk portion 25 has a first groove 251 for embedding the first magnet 26 therein for providing magnetism. The first magnet 26 is a permanent magnet. The first through hole 142b of the lower case 14 is for the first shaft portion 24 to pass through.

The second movable member 30 has a structure substantially the same as that of the first movable member 20, and has a second magnetic end 31 and a second mounting end 32 disposed on opposite sides thereof, the second magnetic end 31 is movably disposed in the accommodating space 11, and a second supporting portion 33 is disposed between the second magnetic end 31 and the second mounting end 32. The second buffer 13 is disposed between the second inner wall 152a and the second receiving portion 33 of the second movable element 30, and the second magnetic end 31 and the first magnetic end 21 are disposed opposite to each other and magnetically repulsed from each other, so that the second receiving portion 33 of the second movable element 30 is abutted against the second buffer 13, thereby providing a buffering effect when the second movable element 30 vibrates.

In the embodiment of the present invention, the second movable member 30 has a second shaft portion 34 and a second disk portion 35 extending from the second shaft portion 34. The second magnetic end 31 is provided on the second disk portion 35, and the second mounting end 32 is provided on the second shaft portion 34 away from the second disk portion 35. The second disk portion 35 has a second groove 351, so that the second magnet 36 is embedded in the second groove 351 to provide magnetism. The second magnet 36 is a permanent magnet, and the second through hole 152b of the lower case 14 is penetrated by the second shaft portion 34. The facing sides of the first and second magnets 26 and 36 are opposite to each other with N poles, so that the second movable member 30 is in a magnetic levitation state in the accommodating space 11 relative to the first movable member 20, and a gap G is maintained between the two in a normal state, as shown in fig. 4. In addition, the second shaft portion 34 and the second disk portion 35 are provided with a mounting hole 37, which can be matched with a screw 38 to connect the screw hole 2a of the bracket 2, so that the utility model is disposed between the bracket 2 and the fixing base 1, and the smart phone 3 is kept in a magnetic suspension state in a normal state, so as to buffer the vibration generated by the vehicle.

In the embodiment of the present invention, the depth of the first groove 251 is the same as that of the second groove 351, and the thickness of the first magnet 26 is the same as that of the second magnet 36.

In the embodiment of the present invention, the outer side of the first inner ring portion 142 of the lower casing 14 is further provided with a first outer annular groove 143 for the third cushion member 40 to be disposed, and the depth of the first outer annular groove 143 is smaller than the height of the third cushion member 40, so that the third cushion member 40 protrudes from the bottom surface of the lower casing 14, so that after the first movable member 20 is connected to the fixing base 1, the lower casing 14 does not directly contact with the fixing base 1, but separates the first and the second cushion members 40.

In the embodiment of the present invention, a second outer ring groove 153 is further disposed outside the second inner ring portion 152 of the upper housing 15 for a fourth buffering member 50 to be disposed, and the depth of the second outer ring groove 153 is smaller than the height of the fourth buffering member 50, so that the fourth buffering member 50 protrudes from the top surface of the upper housing 15, so that after the second movable member 30 is connected to the bracket 2, the upper housing 15 is not in direct contact with the back side of the bracket 2, but is separated from the back side of the bracket 2 by the fourth buffering member 50. The third and fourth cushion members 40 and 50 are annular, and are made of Polyurethane (PU), or a spring or other elastic cushion.

As shown in fig. 5, a schematic diagram illustrating the practical use state of the present invention is shown. When the vehicle passes through the road and vibrates due to the bumpy road, the vibration force (as the arrow in the figure) is transmitted from the fixed seat 1 to the first moving part 20, and the second moving part 30 is in a magnetic suspension state in the accommodating space 11 relative to the first moving part 20 due to the fact that the first magnet 26 and the second magnet 36 are magnetically repelled from the opposite surfaces, so that the vibration force cannot be directly transmitted to the second moving part 30 from the first moving part 20, the support 2 cannot be directly influenced by the vibration force, and the influence of the vibration force on objects on the support 2 is reduced. When the vibration force is transmitted to the first moving part 20, the first moving part 20 can absorb the vibration force for the first time through the first buffer part 12, so that the transmission of the vibration force is reduced, and when the reduced vibration force is transmitted to the second moving part 30 through the lower shell 14 and the upper shell 15, the second moving part 30 absorbs the reduced vibration force for the second time through the second buffer part 13, so that the situation that the second moving part 30 shakes is further reduced, and therefore the vibration influence of the second moving part 30 caused by the walking of the vehicle is greatly reduced, and the adverse effect of the vibration force on the object fixed on the bracket 2 is buffered.

It should be noted that when the vibration force is too large to cause the first moving part 20 or the second moving part 30 to sway and roll and approach the two, the vibration force can be counteracted by the magnetic repulsion between the first magnet 26 and the second magnet 36, so that the first moving part 20 or the second moving part 30 returns to the original magnetic floating position, thereby keeping the bracket 2 in a stable state and maintaining normal use.

In addition, in the embodiment of the present invention, the third buffer member 40 is disposed between the lower shell 14 and the fixing base 1, so that the lower shell 14 does not directly contact with the fixing base 1, and the fourth buffer member 50 is disposed between the upper shell 15 and the bracket 2, so that the upper shell 15 does not directly contact with the bracket 2, thereby increasing the absorption of the vibration force, and providing the effect of reducing and reducing the vibration force transmitted to the bracket 2.

Therefore, the utility model discloses a first moving part 20 sets up with the activity of second moving part 30 to the first bolster 12 of cooperation and the layered structure of second bolster 13 for to the twice absorption of vibrations power, in order to reach double-deck absorbing purpose, the harmful effects that buffering vibrations power brought to the fixed intelligent cell-phone 3 of support 2 reduces the damage that intelligent cell-phone 3 took place because of vibrations.

Referring to fig. 6, a second embodiment of the magnetic suspension buffer device 100a of the present invention is shown, in this embodiment, the magnetic suspension buffer device 100a includes a base 10a and a movable base 60, the base 10a is connected to the fixed base 4, the base 10a is connected to the support 5, and the support 5 is used to clamp the smart phone of the previous embodiment.

The base 10a has a receiving space 11a, a first buffer 12a and a first magnetic element 16 are oppositely disposed in the receiving space 11a of the base 10a, and the first magnetic element 16 is a permanent magnet. In the second embodiment, the base 10a includes a lower shell 14a and an upper shell 15a connected to each other, the lower shell 14a is screwed to the external thread 151a of the upper shell 15a by the internal thread 141a, and the height of the upper shell 15a is smaller than that of the lower shell 14 a. The lower shell 14a has an inner ring portion 17, the inner ring portion 17 has an inner wall 171 and an outer wall 172, the inner wall 171 is disposed with a first buffer member 12a, the outer wall 172 is disposed with a second buffer member 13a, and the first magnetic member 16 is embedded in a groove of the upper shell 15 a.

A movable end 61 and a mounting end 62 are disposed on one side of the movable seat 60, a second magnetic member 63 is embedded in a groove of the movable end 61, the second magnetic member 63 is a permanent magnet, the movable end 61 is movably disposed in the accommodating space 11a, the second magnetic member 63 and the first magnetic member 16 are disposed in a face-to-face manner and can magnetically repel each other, a bearing portion 64 is disposed between the movable end 61 and the mounting end 62 for bearing against the first cushion member 12a, i.e., the first cushion member 12a is disposed between the inner wall 171 and the bearing portion 64. In this embodiment, the movable seat 60 has a shaft portion 65 and a disk portion 66 extending from the shaft portion 65, the second magnetic member 63 is disposed on the disk portion 66, the mounting end 62 is disposed on the shaft portion 65 away from the disk portion 66, the inner ring portion 17 has a through hole 173 communicating with the accommodating space 11a, and the through hole 173 is used for the shaft portion 65 to extend through.

In addition, the mounting end 62 has a locking hole 621 for fixedly connecting with the bolt 401 of the fixing base 4, and the upper shell 15a has a fixing portion 154, and the fixing portion 154 is a screw hole for fixedly connecting with the bolt 501 of the bracket 5.

Therefore, due to the fact that the second magnetic member 63 and the first magnetic member 16 repel each other magnetically, the movable seat 60 is in a magnetic suspension state in the accommodating space 11a relative to the base body 10a, and the vibration force is not directly transmitted to the upper shell 15a through the movable seat 60, so that the bracket 5 is not directly influenced by the vibration force, and the influence of the vibration force on the object on the bracket 5 is reduced; and the whole vibration can be offset by the magnetic repulsion action of the second magnetic part 63 and the first magnetic part 16, so that the bracket 5 is reset on the original magnetic suspension position due to the vibration, and the stable state of the object is ensured. In addition, the second cushion 13a prevents the lower shell 14a from directly contacting the fixed seat 4, thereby increasing the absorption of the vibration force and providing the effect of reducing and reducing the transmission of the vibration force to the bracket 5.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the scope of the present invention. All modifications and variations that do not depart from the spirit of the invention are intended to be covered by the scope of the invention.

Claims (13)

1. A magnetic suspension type buffer device is characterized by comprising:

the base body is provided with an accommodating space, and a first buffer piece and a second buffer piece which are oppositely arranged are arranged in the accommodating space;

a first moving part, which is provided with a first magnetic end and a first mounting end on two opposite sides, wherein the first magnetic end is movably arranged in the accommodating space, and a first bearing part used for abutting against the first buffer part is arranged between the first magnetic end and the first mounting end; and

and a second movable member having a second magnetic end and a second mounting end on opposite sides thereof, the second magnetic end being movably disposed in the accommodating space, a second receiving portion being disposed between the second magnetic end and the second mounting end, and the second magnetic end being opposite to the first magnetic end and magnetically repelling each other, so that the second movable member abuts against the second buffer member.

2. A magnetic levitation buffer as recited in claim 1, wherein the base comprises a lower shell and an upper shell connected to each other, the lower shell having a first inner ring portion, the first inner ring portion having a first inner wall, the first buffer member being disposed between the first inner wall and the first bearing portion, the upper shell having a second inner ring portion, the second inner ring portion having a second inner wall, the second buffer member being disposed between the second inner wall and the second bearing portion.

3. A magnetic levitation buffer as recited in claim 2 wherein the first movable member has a first axle portion and a first disk portion extending from the first axle portion, the first magnetic end is disposed on the first disk portion, and the first mounting end is disposed on the first axle portion away from the first disk portion; the second movable piece is provided with a second shaft part and a second disc part extending out of the second shaft part, the second magnetic end is arranged on the second disc part, and the second mounting end is far away from the second disc part and is arranged on the second shaft part.

4. A magnetic levitation buffer as recited in claim 3 wherein the first inner ring portion has a first through hole communicating with the receiving space, the first through hole allowing the first shaft portion to extend therethrough; the second inner ring portion is provided with a second through hole communicated with the accommodating space, and the second through hole is used for the second shaft portion to penetrate through.

5. A magnetic suspension buffer unit as claimed in claim 4, wherein the height of the upper casing is less than that of the lower casing, the upper casing and the lower casing are screwed together; the first mounting end is provided with a locking hole, and the second mounting end is provided with a mounting hole.

6. A magnetic levitation buffer as recited in claim 5, wherein the first disk portion has a first recess, such that an annular first magnet is embedded in the first recess; the second disk part is provided with a second groove, so that an annular second magnet is embedded in the second groove, the depth of the first groove is the same as that of the second groove, and the first magnet and the second magnet are permanent magnets.

7. A magnetic levitation buffer as recited in claim 5, wherein the first inner ring portion has a first outer ring groove on the outside thereof for accommodating a third buffer member; the depth of the first outer ring groove is smaller than the height of the third buffer piece.

8. The magnetic levitation cushion apparatus as recited in claim 7, wherein the second inner ring portion has a second outer ring groove on the outer side thereof for disposing a fourth cushion member; the depth of the second outer ring groove is smaller than the height of the fourth buffer piece.

9. A magnetic suspension type buffer device is characterized by comprising:

the base body is provided with an accommodating space, and a first buffer piece and a first magnetic piece which are oppositely arranged are arranged in the accommodating space of the base body; and

a movable seat, one side of which is provided with a movable end and a mounting end, the movable end is provided with a second magnetic piece, the movable end is movably arranged in the containing space, the second magnetic piece and the first magnetic piece are arranged face to face and can repel magnetically, and a bearing part is arranged between the movable end and the mounting end.

10. A magnetic levitation buffer as recited in claim 9, wherein the base comprises a lower shell and an upper shell connected to each other, the lower shell having an inner ring portion, the inner ring portion having an inner wall, the first buffer member being disposed between the inner wall and the supporting portion.

11. A magnetic levitation buffer as recited in claim 10, wherein the movable base has a shaft portion and a disk portion extending from the shaft portion, the second magnetic member is disposed on the disk portion, and the mounting end is disposed on the shaft portion away from the disk portion; the inner ring portion is provided with a through hole communicated with the accommodating space, and the through hole is used for the shaft portion to penetrate and extend.

12. A magnetic levitation buffer as recited in claim 11, wherein the height of the upper housing is less than the height of the lower housing, the upper housing and the lower housing are in threaded engagement with each other; the mounting end has a locking hole, and the upper case has a fixing portion.

13. A magnetic levitation buffer as recited in claim 12, wherein the inner ring portion has an outer wall, such that a second buffer member is disposed, and the first and second magnetic members are permanent magnets.

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