CN217502408U

CN217502408U - Shock absorber

Info

Publication number: CN217502408U
Application number: CN202220841353.4U
Authority: CN
Inventors: 潘松; 王育阳
Original assignee: Suzhou Meisheng Electronics Co ltd
Current assignee: Suzhou Meisheng Electronics Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-09-27
Anticipated expiration: 2032-04-12

Abstract

The utility model relates to a shock absorber, it includes the casing, the supporting legs, a pedestal, the casing has the accommodation space, be provided with first magnet in this space, second magnet and supporter, first magnet sets up with second magnet relative from top to bottom, keep the clearance between first magnet and the second magnet, second magnet sets up on the supporter, first magnet is the same towards the polarity of one side of second magnet and the polarity of one side of second magnet towards first magnet with second magnet, the supporter is made by the metal material, the supporter is connected with supporting legs one end, the supporting legs other end is connected with the base. The utility model provides a shock absorber, through setting up first magnet, second magnet and supporter, utilize magnet homopolarity repulsion principle mutually to make casing inner structure be in the suspended state, keep apart audio equipment and supporting surface, prevent that the acoustic energy from arousing the vibration of holding surface and room structure through the bearing structure conduction, reduce resonance, the damping is effectual.

Description

Shock absorber

Technical Field

The utility model relates to a shock absorber.

Background

The stereo set is generally all placed on floor or desktop, because the particularity of stereo set can produce the vibration when the broadcast, and this kind of vibration is the vibration of audio amplifier box or other audio equipment shells that the sound that loudspeaker were emitted brought, for the influence of the vibration that reduces audio equipment itself or external vibration to audio equipment tone quality effect, three or four spike of moving away to avoid possible earthquakes can be placed at the stereo set bottom at least generally. The existing shock-absorbing brad generally adopts hard supporting legs and is internally provided with a spring, and a shock-absorbing method is achieved by utilizing the principle that the contact area of a pointed cone is small, but the vibration generated by low frequency is easily transmitted to a supporting surface and causes the room structure to resonate to generate unpleasant noise, so that the sound equipment is not only influenced to play the best sound effect, but also the neighbors are usually interfered; when the vibration comes, the spring may have multiple redundant vibrations, which is sometimes suitable for the contrary, and the existing rigid supporting leg structure is shown in fig. 7 and includes a housing 12, a metal supporting leg 13, a metal foot pad 14, and a rubber gasket 15.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shock absorber to solve the problem that current shock absorber can't reduce the vibration that the low frequency produced.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a shock absorber, its includes casing, supporting legs, base, the casing have the accommodation space, be provided with first magnet, second magnet and supporter in this space, first magnet with second magnet set up relatively from top to bottom, first magnet with the second magnet between keep the clearance, the second magnet set up the supporter on, first magnet orientation second magnet one side polarity with the second magnet orientation first magnet one side polarity the same, the supporter make by the metal material, the supporter with supporting legs one end connect, the supporting legs other end with the base connect.

Preferably, the first magnet and the second magnet are both neodymium iron boron magnets.

Preferably, the support body is provided with a groove which is recessed inwards, and the second magnet part is positioned in the groove.

Preferably, the housing includes a first housing and a second housing, the first housing is connected to the second housing to form an accommodating space, the first magnet is located in the first housing, and the support and the second magnet are both located in the second housing.

Preferably, the first magnet is bonded in the first housing, and the second magnet is bonded on the support.

Preferably, one end of the supporting body, which is connected with one end of the supporting foot, extends out of the bottom of the shell; the supporting body is in threaded connection with the supporting legs.

Preferably, a silica gel ring is arranged between the support body and the inner wall of the shell.

Preferably, the housing is cylindrical.

Preferably, the housing is made of metal.

Preferably, the base include callus on the sole and gasket, the callus on the sole with the supporting legs be connected, the callus on the sole on be provided with supporting legs other end assorted recess, the gasket connect under the callus on the sole.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model provides a shock absorber, through setting up first magnet, second magnet and supporter, utilize magnet homopolarity repulsion principle mutually to make casing inner structure be in the suspended state, keep apart audio equipment and supporting surface, prevent that the acoustic energy from arousing the vibration of holding surface and room structure through the bearing structure conduction, reduce resonance, the damping is effectual.

Drawings

FIG. 1 is a cross-sectional view of a shock absorber according to the present invention;

FIG. 2 is a front view of the shock absorber provided by the present invention;

FIG. 3 is a perspective view of the shock absorber provided by the present invention;

FIG. 4 is a perspective view of the shock absorber and the speaker provided by the present invention;

FIG. 5 is an enlarged view of FIG. 4;

FIG. 6 is a top view of FIG. 4;

FIG. 7 is a cross-sectional view of a conventional shock absorber.

In the drawings above: 1-a first magnet, 2-a second magnet, 3-a support body, 4-a support foot, 5-a foot pad, 6-a gasket, 7-a nut, 8-a shell, 81-a first shell, 82-a second shell, 9-a sound, 10-a silica gel ring and 11-a support strip.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope 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 as a specific case by those skilled in the art.

Referring to the shock absorber shown in fig. 1 to 6, the shock absorber is disposed on a supporting surface (such as the ground or a table), and the shock absorber can be applied to various speaker boxes, foot stands and related audio and video equipment.

The structure of the shock absorber is as follows: it includes the casing, supporting legs 4, the base, the casing is the column, the casing has hollow accommodation space, be provided with first magnet 1 in the space, second magnet 2 and supporter 3, first magnet 1 is located 2 tops of second magnet, first magnet 1 sets up with second magnet 2 relatively, and keep the clearance between first magnet 1 and the second magnet 2, second magnet 2 sets up on supporter 3, first magnet 1 towards one side of second magnet 2 polarity with second magnet 2 towards the polarity of one side of first magnet 1 the same, the polarity that the polarity of one side of first magnet 1 towards second magnet 2 and the polarity of one side of second magnet 2 towards first magnet 1 are N utmost point or S utmost point, the benefit of setting up first magnet 1 and second magnet 2 is: utilize magnet homopolarity repulsion principle to make casing inner structure be in the suspended state, keep apart stereo set 9 equipment and supporting surface, prevent that the sound energy from arousing the vibration of holding surface and room structure through the bearing structure conduction, reduce resonance, the damping is effectual.

In this embodiment, it is preferable that the first magnet 1 and the second magnet 2 are both ndfeb magnets, and the ndfeb magnets are tetragonal crystals formed of neodymium, iron, and boron, and have high magnetic force, thereby preferably achieving a resonance reduction effect.

First magnet 1, second magnet 2 bond in the casing through glue respectively, and in the use, first magnet 1, second magnet 2 can not drop.

The structure of the support body 3 is as follows: be equipped with the recess of inside concave yield on the

supporter

3, 2 parts of second magnet are located the recess, are convenient for fix second magnet 2, and further, second magnet 2 passes through glue bonding in the recess, and the fastness is connected in the reinforcing, prevents that in the use second magnet 2 from removing and not relative with first magnet 1. The support body 3 is used for supporting the second magnet 2, is matched with the first magnet 1 and the second magnet 2, and reduces resonance by utilizing the principle that magnetic force repels each other.

In this example, the support body 3 is partially located in the housing, and partially extends out of the housing to be connected with one end of the support foot 4, so that the support body 3 is conveniently connected with the support foot 4.

In this embodiment, one end of the supporting leg 4 is connected to the supporting body 3, for example, through a threaded connection, an external thread is provided outside the supporting leg 4, an opening is provided in the supporting body 3, an internal thread matching with the external thread of the supporting leg 4 is provided in the opening, the other end of the supporting leg 4 is connected to the base, for example, through a threaded connection, further, a nut 7 is sleeved on the supporting leg 4, and the nut 7 is close to a connection portion between the supporting leg 4 and the supporting body 3, so that the connection strength between the two is increased, and the sealing performance is improved.

As shown in fig. 1, the other end of the supporting foot 4 is tapered, the diameter thereof gradually decreases from top to bottom, the tip with the smallest diameter releases the resonance frequency, and the supporting foot 4 is used to reduce the vibration force transmission area to the maximum extent, thereby further reducing the vibration diffusion.

In addition, the support body 3 is made of a metal material, such as steel/aluminum; the supporting legs 4 are made of metal materials; the housing is made of a metal material, such as aluminum.

Further, a silica gel ring 10 is arranged between the outer wall of the support body 3 and the inner wall of the shell, so that the effect of reducing friction to protect the support body 3 can be achieved in the work of the sound box 9, and vibration energy can be consumed. The silica gel ring 10 can be provided in plurality, and a plurality of silica gel rings 10 are arranged along the axial direction of the support body 3 or the height direction of the support body 3.

The base includes callus on the sole 5 and gasket 6, and callus on the sole 5 is connected with supporting legs 4, can open on the callus on the sole 5 be equipped with the supporting legs 4 other end assorted recess, set up the internal thread in the recess, the supporting legs 4 other end be provided with outward with this internal thread complex external screw thread, realize supporting legs 4 and callus on the sole 5 screw thread. The gasket 6 is connected under the foot pad 5, and the gasket 6 contacts with the ground or the desktop, and is optimal with the rubber material.

In one embodiment, the housing is divided into two parts, namely a first housing 81 and a second housing 82, and the first housing 81 is connected to the second housing 82 to form an accommodating space. First casing 81 includes annular side wall and roof, and the roof is connected with annular side wall and encloses to close and form the chamber that holds that has one end open-ended, and first magnet 1 is located the chamber that holds of first casing 81, makes its fixed connection in first casing 81 at 1 one side coating glue of first magnet, and when first magnet 1 was in first casing 81, first magnet 1 still keeps certain interval apart from first casing 81 opening. Second casing 82 includes annular side wall and diapire, and the diapire is connected with annular side wall and encloses to close and form the cavity that holds that has open-top, and supporter 3 and second magnet 2 all are located the cavity that holds of second casing 82, and the trompil is seted up to the diapire of second casing 82, and supporter 3 one end is passed through this trompil and is stretched out outside the casing.

In the above embodiment, the first housing 81 is detachably connected to the second housing 82, for example, a fastening member is disposed on one of the annular side wall of the first housing 81 and the annular side wall of the second housing 82, and a locking groove matched with the fastening member is disposed on the other, so that the assembly is facilitated.

When installing the shock absorber of this application on other audio-visual appliances such as stereo set 9, need a plurality of shock absorbers, still need to connect support bar 11 simultaneously, set up the through-hole on connecting support bar 11, two shock absorbers can correspond a support bar 11, and the support bar 11 is transversal personally submits the trapezoidally.

During installation, the shell and the supporting legs 4 are integrated, the shell and the base are separated and independent, the supporting legs 4 penetrate through the through holes of the connecting supporting bars 11 until the supporting bars 11 are contacted with the bottom of the shell, the supporting legs 4 are inserted into the base, and finally the sound box 9 is placed on the supporting bars 11. If the sound box 9 is a square body, four shock absorbers are arranged and are respectively positioned at the top corners of the sound box 9.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a shock absorber, its characterized in that, includes casing, supporting legs, base, the casing have the accommodation space, be provided with first magnet, second magnet and supporter in this space, first magnet with second magnet set up relatively from top to bottom, first magnet with the second magnet between keep the clearance, the second magnet set up the supporter on, first magnet orientation the polarity of one side of second magnet with the second magnet orientation the polarity of one side of first magnet the same, the supporter make by the metal material, the supporter with supporting legs one end connect, the supporting legs other end with the base connect.

2. A shock absorber according to claim 1, wherein said first magnet and said second magnet are neodymium iron boron magnets.

3. A shock absorber according to claim 1, wherein said support body is provided with an inwardly recessed groove, said second magnet portion being located in said groove.

4. A shock absorber according to claim 1, wherein said housing includes a first housing and a second housing, said first housing is connected to said second housing to form an accommodating space, said first magnet is located in said first housing, and said support and said second magnet are located in said second housing.

5. A shock absorber according to claim 4, wherein said first magnet is bonded within said first housing and said second magnet is bonded to said support.

6. A shock absorber according to claim 1, wherein one end of the support body connected to one end of the support foot extends out of the bottom of the housing; the supporting body is in threaded connection with the supporting legs.

7. A shock absorber according to claim 1, wherein a silicone ring is provided between the support body and the inner wall of the housing.

8. A shock absorber according to claim 1, wherein said housing is cylindrical.

9. A shock absorber according to claim 1, wherein said housing is made of metal.

10. A shock absorber according to claim 1, wherein the base includes a foot pad and a gasket, the foot pad is connected to the supporting legs, the foot pad is provided with a groove matched with the other end of the supporting legs, and the gasket is connected under the foot pad.