JP3230612U - Seismic damping device with magnetic damping function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seismic isolation device having a magnetic damping function for rapidly canceling residual vibration. A vibration damping device has a housing 10, a first magnetic member 12 in an accommodation installation space 11, a first cushioning member 13 at the top, an inner base 20, and a base 21. It is installed in the accommodation installation space, has an extension part 22, projects to the top of the housing, installs the second magnetic member 23 on the base, is positioned relative to the first magnetic member, causes a damping action, and causes the base and housing. When the second cushioning member 24 and the first cushioning member are installed between the tops of the housing and the inside and outside face each other, and the object and the extension portion are fixedly connected, the first cushioning member is sandwiched between the object and the top of the housing to form a gap G. Hold it, sandwich the second cushioning member between the top of the housing and the base, and when the object receives a vibration, the vibration of the object is buffered by the first cushioning member and the second cushioning member, and then the inner base creates residual vibration by the damping action. Offset and quickly reinstate. [Selection diagram] Fig. 3

Description

The present invention relates to a vibration damping device having a magnetic damping function, and more particularly to a device that causes a damping action by a magnetic member to provide a vibration damping function to an object.

In a conventional holder for fixing an object, for example, a mobile phone holder for a motorcycle is attached to a rearview mirror installation position on a motorcycle steering stem.
In the process of fixing the mobile phone to the mobile phone holder and driving the motorcycle, the driver can see and operate the mobile phone while the vehicle is stopped.
As a result, it is possible to eliminate the inconvenience of holding it by hand and to maintain safety when driving a motorcycle.

However, the problem often seen with the above-mentioned conventional holders is that, for example, when a motorcycle starts up, it causes a vibration, but when a vibration occurs at the mounting position, this vibration is transmitted to the mobile phone holder, and the fixed mobile phone also It means that it sways accordingly.
When the mobile phone shakes, it is difficult for the driver to see the screen clearly.
Moreover, since the structure of the camera lens of the current mobile phone is very minute and precise, it is easily damaged by shaking.
These situations often occur not only in motorcycles, but also in situations where automobiles or other vibrations occur.
Therefore, how to solve the problem of the conventional swinging motion of the holder is a priority issue of the present invention.

In the above-mentioned prior art, when a tremor occurs at the mounting position, the tremor is transmitted to the mobile phone holder, the fixed mobile phone shakes, and the driver cannot clearly see the screen, and the camera of the current mobile phone. Since the structure of the lens is very minute and precise, there is a drawback that it is easily damaged by shaking.

The present invention relates to a seismic isolation device having a magnetic damping function that provides a cushioning function by a cushioning member and achieves a seismic damping effect by a damping action generated by the magnetic member.

The seismic isolation device having a magnetic damping function according to the present invention is used for installing an object to reduce the vibration, and has a housing and an inner base.
The housing has a storage installation space, and the housing has a first magnetic member installed at the bottom of the housing installation space, and a first cushioning member is installed at the top of the housing.
The inner base has a base, is installed in a storage installation space, and has an extension portion, projects to the top of the housing, and a second magnetic member is installed on the base, relative to the position of the first magnetic member. And produces a damping action.
Moreover, a second cushioning member is installed between the base and the top of the housing, the second cushioning member faces the inside and outside of the first cushioning member in the accommodation installation space, and the object and the extension portion are the housing. It protrudes and is fixed and connected to the top position.
Moreover, a first cushioning member is sandwiched between the object and the top of the housing to retain a gap, and a second cushioning member is sandwiched between the top of the housing and the base.

When an object receives a vibration, the first buffer member and the second cushioning member cushion the vibration of the object, alleviate the shaking motion condition of the object, and the residual vibration transmitted to the inner table after the cushioning is the first magnetic member and the second magnetic member. The damping action generated by the members cancels out and the object can be quickly repositioned, the vibration is effectively reduced so as not to affect its use, and an effective vibration damping effect on the object is achieved.

It is a three-dimensional appearance view of the first embodiment of the present invention. It is an exploded layout drawing of the 1st Embodiment of this invention. It is sectional drawing of the 1st Embodiment of this invention. In the schematic view of the usage state of the first embodiment of the present invention, the fixed base in the drawing vibrates on the steering stem. It is a schematic diagram of the seismic isolation function of the first embodiment of the present invention, and shows the moment when the inner stand sways according to the mobile phone holder in the figure. The width of the inner stand swaying according to the mobile phone holder is large, but this is for convenience of explanation and does not indicate the actual width of the swaying movement. It is sectional drawing of the 2nd Embodiment of this invention.

(One Embodiment)
In order to explain the central idea of the present invention shown above, a specific embodiment will be described.
Each object in the embodiment is shown as an example and is not based on the actual ratio.

As shown in FIGS. 1 to 6, the seismic isolation device 100 having the magnetic damping function according to the present invention is used to install an object and reduce the vibration.
In the present embodiment, the above object is, for example, a mobile phone holder 200 for a motorcycle.
The seismic isolation device 100 has a housing 10 and an inner base 20.

1 to 5 show the first embodiment.
As shown in FIGS. 1 to 5, the housing 10 has a storage installation space 11.
The first magnetic member 12 is installed in the bottom of the housing 10 in the accommodation installation space 11.
In the present embodiment, the first magnetic member 12 is a permanent magnet, and the first cushioning member 13 is installed on the top of the housing 10.
The material of the first buffer member 13 is polyurethane (polyurethane, PU) in this embodiment.

The inner base 20 has a base 21, is installed in the accommodation installation space 11, has an extension portion 22, and projects to the top of the housing 10.
The second magnetic member 23 is installed on the base 21.
The second magnetic member 23 is a permanent magnet in this embodiment.
The positions of the second magnetic member 23 and the first magnetic member 12 face each other in the accommodation installation space 11, and a damping action is generated.
A second cushioning member 24 is installed between the base 21 and the top of the housing 10, and the material of the second cushioning member 24 is polyurethane in this embodiment.
The second cushioning member 24 faces the inside and outside of the first cushioning member 13 in the accommodation installation space 11.

Both the first buffer member 13 and the second buffer member 24 in the present embodiment use polyurethane as an embodiment, but the present invention is not limited thereto.
As the first buffer member 13 and the second buffer member 24, an object having a spring or another elastic buffer can also be adopted.
In the present embodiment, the first magnetic member 12 and the second magnetic member 23 are both permanent magnets, but the present invention is not limited to this, and an electromagnet or a magnetic material capable of causing a damping action can be used.

In this embodiment, the housing 10 further has a lower base 14 and a lid 15.
The lid 15 has an annular shape and has an inner ring 151 near the top of the lid 15.
At the top of the lid 15, the ring tank 152 is formed according to the position of the inner ring portion 151.
The first buffer member 13 is installed in the ring tank 152, and the height of the first buffer member 13 is larger than the depth of the ring tank 152.
As a result, the first cushioning member 13 slightly protrudes onto the lid 15.
The lid 15 has a perforation 153 in the inner ring portion 151, and the extension portion 22 extends from the perforation 153 and is exposed to the lid 15.
The first buffer member 13 and the second buffer member 24 come into contact with the inner ring portion 151 both inside and outside the inner ring portion 151, respectively.

Preferably, the lower base 14 of the present embodiment has a first annular groove 141 and a second annular groove 211 at the bottom of the base 21.
The second annular groove 211 and the first annular groove 141 face each other, and the first magnetic member 12 and the second magnetic member 23 both exhibit an annular shape, and are accommodated and installed in the first annular groove 141 and the second annular groove 211, respectively. To.
In the present embodiment, the inner base 20 is installed relative to each other by the same magnetic pole (N pole) in the accommodation installation space 11 (see FIG. 3), and the inner base 20 is relative to the housing 10 according to the damping action of the same pole repulsion. , Floats in the accommodation installation space 11.

The lower base 14 of the present embodiment has a first joint portion 142.
The lid 15 has a second joint 154 in this embodiment.
The second joint 154 is installed corresponding to the first joint 142.
The first joint 142 of the embodiment is an outer thread, and the second joint 154 is an inner thread.
The lower base 14 is screwed and fixed to the second joint portion 154 by the first joint portion 142 and is joined to the lid body 15 to form the accommodation installation space 11.
In addition, in the present embodiment, the screw joint hole 143 is provided at the center position of the lower base 14.

In the present embodiment, the extension portion 22 has a through hole 221.
In the present embodiment, the through hole 221 is threaded through the screw fixing member 30 and screwed into the screw hole 201 in which the mobile phone holder 200 is installed, whereby the mobile phone holder 200 is fixed to the extension portion 22. Connect and project to the top of the housing 10.
At this time, the first buffer member 13 is sandwiched between the mobile phone holder 200 and the inner ring portion 151, and the height of the first buffer member 13 is larger than the depth of the ring tank 152, so that the mobile phone holder 200 is , A gap G is secured between the tops of the housing 10 (see FIGS. 3 and 6).
A second cushioning member 24 is sandwiched between the top of the housing 10 and the base 21.
Therefore, the inner base 20 of the present embodiment does not come into direct contact with the housing 10, but is localized in the housing 10 with the first buffer member 13 and the second buffer member 24 separated from each other.

In the vibration damping device 100 of the above-described embodiment, the fixing base 300 is made to correspond to the mobile phone holder 200 and fixed on the steering stem 400 in advance in actual use.
At this time, the mobile phone holder 200 is fixedly connected to the top of the housing 10 at the top of the extension portion 22, and the fixing base 300 is screw-joined to the screw joint hole 143 of the lower base 14 by the bolt 301.
As a result, the seismic isolation device 100 can be connected between the mobile phone holder 200 and the fixing base 300, and the smartphone 500 can be fixed to the mobile phone holder 200 (see FIG. 4).

When the steering stem 400 generates a vibration according to the activated state of a motorcycle (not shown), this vibration is transmitted to the fixed base 300 and the housing 10 to which it is fixedly connected, and when the vibration is transmitted to the mobile phone holder 200, first. This vibration is buffered by the first buffer member 13 and the second buffer member 24.
As shown in FIG. 5, at the moment when the mobile phone holder 200 sways to the left side in the figure according to the vibration, the mobile phone holder 200 presses the left side of the first buffer member 13, and the base 21 is interlocked according to the mobile phone holder 200. (Ii) The right side of the cushioning member 24 is pressed.
In this way, the first buffer member 13 and the second buffer member 24 receive the vibration and buffer the shaking motion of the mobile phone holder 200.
Subsequently, the inner pedestal 20 sways in the accommodation installation space 11 due to the vibration remaining after buffering.
As shown in FIG. 5, the moment the inner table 20 sways and the left side approaches the lower table 14, the first magnetic member 12 and the second magnetic member 23 immediately cause the inner table 20 to sway due to the damping action of the same pole repulsion. Offsetting, thus the inner pedestal 20 quickly repositions within the accommodation installation space 11.

As can be seen from the above description, the features of the present invention are as follows.
When the seismic isolation device 100 is installed on the object (the mobile phone holder 200 of the above-described embodiment) and receives a vibration, the seismic isolation device 100 causes the first buffer member 13 and the second buffer member 24 to respond to the vibration of the object. Buffer.
As a result, the situation in which the object sways is alleviated, and the vibration transmitted to the inner base 20 after buffering and remaining is further offset by the damping action generated by the first magnetic member 12 and the second magnetic member 23.
In this way, the object is quickly repositioned, which effectively reduces the vibration received by the object, stabilizes the object and does not affect its use, and can achieve an effective vibration reduction effect on the object.

As shown in FIG. 6, the second embodiment of the present invention has a housing 10 and an inner base 20 as in the first embodiment.
The main difference from the first embodiment is that the first magnetic member 12A and the second magnetic member 23A are installed as opposite magnetic poles (one is N pole and the other is S pole) in the accommodation installation space 11.
When the two polarities are attracted to each other, a damping action is generated, and thus an effective vibration damping effect on the object can be achieved as in the first embodiment.

The above-described embodiment of the present invention does not limit the present invention, and the scope protected by the present invention is based on the scope of the utility model registration claim described later.

100 Seismic damping device 200 Mobile phone holder 201 Screw hole 300 Fixed base 301 Bolt 400 Steering stem 500 Smartphone 10 Housing 11 Storage installation space 12 First magnetic member 13 First cushioning member 14 Lower base 141 First annular groove 142 First joint 143 Screw joint hole 15 Lid body 151 Inner ring part 152 Ring tank 153 Perforation 154 Second joint part 20 Inner base 21 Base 211 Second annular groove 22 Extension part 221 Through hole 23 Second magnetic member 24 Second cushioning member 30 Screw Joint fixing member 12A First magnetic member 23A Second magnetic member G Gap N magnetic pole S magnetic pole

Claims (8)

A seismic damping device with a housing and an inner base that is used to install an object and reduce the vibration, and has a magnetic damping function.
The housing has a storage installation space, in which the first magnetic member is installed at the bottom of the housing installation space, and the first cushioning member is installed at the top of the housing.
The inner base has a base, is installed in the accommodation installation space, has an extension portion, projects to the top of the housing, and a second magnetic member is installed on the base, and the first magnetic member. A second cushioning member is installed between the base and the top of the housing, and the second cushioning member is the first cushioning member in the accommodation installation space. Facing the inside and outside, the object and the extension portion project and are fixedly connected to the position of the top of the housing, and a first cushioning member is sandwiched between the object and the top of the housing to hold a gap. The second cushioning member is sandwiched between the top of the housing and the base, and when the object receives a vibration, the first cushioning member and the second cushioning member cushion the vibration of the object, and the inside of the first cushioning member and the second cushioning member cushion the vibration of the object. The platform is further characterized in that the residual vibration is offset by the damping action and the position is quickly restored.
Seismic damping device with magnetic damping function. The housing has a lower base and a lid, the lid has an annular shape, has an inner ring near the top thereof, and at the top of the lid, a ring tank is provided according to the position of the inner ring. The first cushioning member is formed and installed in the ring tank, the height is larger than the depth of the ring tank, and the lid has a perforation in the inner ring portion to project the extension portion. The seismic damping device having a magnetic damping function according to claim 1, wherein the first buffer member and the second buffer member each come into contact with the inner ring portion inside and outside the inner ring portion. The seismic damping device having a magnetic damping function according to claim 2, wherein both the first buffer member and the second buffer member are made of polyurethane. The lower base has a first annular groove, a second annular groove is provided at the bottom of the base, and the first magnetic member and the second magnetic member are both annular to the first annular groove. The seismic damping device having a magnetic damping function according to claim 2, wherein the first annular groove and the second annular groove are accommodated and installed, respectively. Since the first magnetic member and the second magnetic member are installed by the same magnetic pole and the magnetic force repels the same poles, the inner base floats in the accommodation installation space with respect to the housing. The seismic isolation device having the magnetic damping function according to claim 4. The vibration damping device having a magnetic damping function according to claim 5, wherein both the first magnetic member and the second magnetic member are permanent magnets. The lower base has a first joint, the lid has a second joint, corresponds to the first joint, and one of the first joint and the second joint is outside. The seismic isolation device having a magnetic damping function according to claim 2, wherein the seismic isolation device is screwed and joined with a thread and an internal thread on the other side. The extension portion has a through hole, is passed through the through hole by a screw fixing member, and is screw-joined to the screw hole of the object, and the lower base has a screw joint hole at a central position and is a fixing base. The seismic isolation device having a magnetic damping function according to claim 2, wherein the anti-vibration device is screw-joined with bolts.