CN104864015B - Vibration absorber and electronic device and mobile device comprising the vibration absorber - Google Patents
Vibration absorber and electronic device and mobile device comprising the vibration absorber Download PDFInfo
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- CN104864015B CN104864015B CN201410064059.7A CN201410064059A CN104864015B CN 104864015 B CN104864015 B CN 104864015B CN 201410064059 A CN201410064059 A CN 201410064059A CN 104864015 B CN104864015 B CN 104864015B
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- vibration
- vibration absorber
- damping means
- absorber
- damping
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 119
- 238000013016 damping Methods 0.000 claims abstract description 97
- 230000008878 coupling Effects 0.000 claims description 37
- 238000010168 coupling process Methods 0.000 claims description 37
- 238000005859 coupling reaction Methods 0.000 claims description 37
- 230000035939 shock Effects 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 229920000965 Duroplast Polymers 0.000 claims description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 2
- 239000011368 organic material Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 24
- 230000001629 suppression Effects 0.000 description 11
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- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
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- 230000008569 process Effects 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
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- 230000005611 electricity Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 229920001875 Ebonite Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
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- 230000001050 lubricating effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000011990 functional testing Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Electronic device and mobile device the present invention relates to vibration absorber and comprising the vibration absorber.The vibration absorber includes bearing part, damping means and optional fixation member, the bearing part is for supporting the damping means, the fixation member is for fixing the vibration absorber, it is characterized by: at least part of the damping means is made of elastic organic material, and with damping means opening and the elastic damping structure being contained in damping means opening, the elastic damping structure is generally h-shaped, cross or Y-shaped structure.
Description
Technical field
The present invention relates to a kind of vibration absorbers.The invention further relates to a kind of electronic device comprising the vibration absorber and movements
Equipment.
Background technique
With the development of science and technology, more and more electronic products and sophisticated electronics incorporate in daily life.
Especially such as the electronic product of vehicle-mounted hard disk videocorder (DVR, Digital Video Record) etc. and/or precise electronic are set
It is standby to can be widely applied to public transport, long-distance passenger transportation, school bus, engineering truck, container car, tourist bus, logistics shipping, police law enforcement vehicle
, the mobile traffics such as train, subway, steamer, aircraft, it is real to carry out audio-visual synchronization video recording, global location, wireless audio and video
When transmission etc., provide more conveniences for people's lives.But these electronic products and/or precision are electric in many cases,
Sub- equipment is loaded in mobile machinery equipment, and machinery equipment can inevitably jolt in moving process because of road conditions etc.,
Cause to vibrate.And these electronic products and/or sophisticated electronics are often very sensitive to vibrating and impacting, excessive vibration can be led
It causes these electronic products and/or sophisticated electronics accelerated wear test, even damage.
In order to solve the problems, such as the vibration damping of electronic product and/or sophisticated electronics in mobile machine and/or equipment,
Develop many products, including such as spring damping structure, wirerope vibration-proof structure and liquid-springing structure etc..
A kind of hard disk damping shock absorber is disclosed in CN2678065Y, the hard disk damping shock absorber include outer support frame,
It is used to install the interior hanging bracket of Fixed disk mounted in outer support lower portion, is placed between interior hanging bracket and outer support frame
Resisting medium and eight damping springs, wherein the first segment of each damping spring is connected to eight interior angles of outer support frame
One of them on, second end is connected at the opposite position of the interior angle where with first end in interior hanging bracket.
CN201725577U discloses a kind of removable car-mounted hard disk vibration-absorbing system, the vibration insulating system include damping frame with
And hard disk plugs box core, wherein hard disk plug box core passes through the wire rope damping vibration damping of two lateral surface of hard-disk cartridge by hard-disk cartridge
Device is fixed in hard disk box support and is constituted, and is set in the damping frame in a manner of it can extract.
Liquid-springing structure is usually to use lubricating cup vibration damping.It is special that CN2396503Y discloses a kind of oil damping for circuit breaker
With lubricating cup, which includes cup body, plunger, spring, silicone oil and cup lid, and plunger, spring, silicone oil are loaded in cup body, cup body top
Fill cup lid.
CN201285657Y discloses a kind of vibration isolating apparatus for hard disc, which includes being fixed together shape
Sylphon is set at the upper fixed lid and bottom plate, multiple rectangular foam vibration isolators and rubber for the sylphon shape that can accommodate hard disk
On the internal perisporium of shape, the hard disk of receiving is enveloped to play the role of vibration isolation.
But still there is an urgent need to one kind to be not only simple in structure, and occupy little space, and install simple, long working life
The device of excellent vibration damping protecting against shock protection can be provided for electronic product and sophisticated electronics.
Summary of the invention
The present invention provides a kind of vibration absorber, can provide excellent vibration damping for electronic product and sophisticated electronics and prevent
Surge protection.Vibration absorber according to the present invention is not only simple in structure, and is occupied little space, and installs simple, long working life.
According to an aspect of the present invention, a kind of vibration absorber is provided comprising bearing part, damping means and optional
Fixation member, the bearing part are used to fix the vibration absorber for supporting the damping means, the fixation member,
In: at least part of the damping means is made of elastic material, and the damping means have damping means be open with
And it is contained in the elastic damping structure in damping means opening, the elastic damping structure is generally h-shaped, cross or Y
Shape structure.Preferably, the bearing part is equipped with bearing part opening and damping means opening is directed at the supporting part
Part opening.
In one embodiment, the vibration-proof structure has generally H-shaped structure, which includes being used as H-shaped two
The shock absorber section on side, as optional between the coupling part and the shock absorber section and the coupling part of H-shaped connecting line
Connector, the end of the shock absorber section are connected on the parameatal frame part of the damping means
In one embodiment, the center portion of the coupling part is provided with for receiving the fixation member (example
Such as fastener) mounting hole, so that the vibration absorber to be connected to the device of required vibration damping.
In one embodiment, the vibration absorber further includes interfix component, the interfix component setting
In the mounting hole and for accommodating the fixation member.
In one embodiment, the material hardness of the hardness of the material of the interfix component and the damping means
It is identical or higher than the material hardness of the damping means.
In one embodiment, it is provided with and is stretched out outward at least at the back side of the coupling part of the vibration-proof structure
One arc convex.
In one embodiment, the front of the coupling part of the vibration-proof structure be provided with stretch out outward it is convex
Edge is provided at least one arc convex stretched out outward at the back side of the coupling part of the vibration-proof structure.
In one embodiment, the shape of the coupling part is selected from following shape: square, rectangle, circle, ellipse
Round, polygon.
In one embodiment, at least one described arc convex is two.
In one embodiment, the damping means are substantially formed by rubber, and the bearing part is by metal, conjunction
At least one of gold, duroplasts are formed.
In one embodiment, the interfix component is formed by least one of metal, alloy, duroplasts,
The damping means are substantially formed by rubber.
In one embodiment, the damping means are set on the bearing part by lateral through-hole.
In one embodiment, the vibration-proof structure has substantially cross-shaped structure, including shock absorber section and centre
Coupling part, the end of the shock absorber section are connected on the parameatal frame part of the damping means.
In one embodiment, the vibration-proof structure has generally y-shaped structure, shock absorber section and centre including outside
Coupling part, the end of the shock absorber section is connected on the parameatal frame part of the damping means.
According to another aspect of the present invention, a kind of electronic device is provided, which includes: the sheet of electronic device
Body;Shell, for accommodating the ontology of electronic device;Foregoing vibration absorber, the vibration absorber are arranged on the electricity
Between the ontology and shell of sub-device.
According to a further aspect of the invention, a kind of mobile device is provided, the mobile device includes foregoing electricity
Sub-device.
Vibration absorber according to the present invention, due to using generally H-shaped vibration-proof structure, it can be ensured that payload ratings Shi electricity
Response frequency on tri- directions sub-device X, Y, Z is all very low, provides great protection zone for electronic device.
Vibration absorber according to the present invention, by the vibration-proof structure and inner frame sections of H-shaped, so that electronic device exists
X, deformation displacement all very littles in tri- directions Y, Z, have been greatly saved the inner space of product.
Vibration absorber according to the present invention, installation are simple, it is only necessary to which fastener (screw, bolt etc.) is fixedly connected i.e.
It can.
In addition, vibration absorber according to the present invention, can install as desired, shell X, Y, Z tri- of electronic device is realized
The installation requirements of a direction either direction.
In addition, vibration absorber according to the present invention, due to being additionally arranged interfix component in the mounting hole of coupling part,
It thus can be to avoid the usually metal or alloy of shock absorber section made of softer material (such as rubber) and fixed electronic device
Fastener (screw, bolt etc.) direct friction of material, it is thus possible to extend the service life of shock absorber section.
Detailed description of the invention
From description in more detail below and combine the attached drawing for being illustrated by way of example the principle of the present invention can be more clearly
Understand other features and advantages of the present invention.
Figure 1A is a kind of main view of the vibration absorber of illustrative embodiments according to the present invention.
Figure 1B is the rearview of vibration absorber shown in Figure 1A.
Fig. 1 C is the perspective view of vibration absorber shown in Figure 1A.
Fig. 1 D is the exploded perspective view of vibration absorber shown in Fig. 1 C.
Fig. 1 E is the partial perspective view in terms of the slave rear side of vibration absorber shown in Figure 1A.
Fig. 1 F shows the coordinate system for being suitable for the invention vibration absorber.
Fig. 2A shows the perspective view that vibration absorber according to the present invention is applied to electronic device.
Fig. 2 B shows the exploded view of Fig. 2A.
Fig. 3 A to Fig. 3 N shows a variety of modifications of the vibration-proof structure of vibration absorber according to the present invention.
Fig. 4 is to be passed using after vibration absorber according to the present invention by response frequency-vibration that vibration damping test method obtains
Pass rate curve graph.
Fig. 5 is the main view of the vibration absorber of another illustrative embodiments according to the present invention.
Fig. 6 is the main view of the vibration absorber of another illustrative embodiments according to the present invention.
Fig. 7 is the main view of the vibration absorber of another illustrative embodiments according to the present invention.
Specific embodiment
Embodiments of the present invention are shown in attached drawing to be illustrated.But those skilled in the art can manage
Solution, the present invention is not limited to wherein shown accurate arrangement and devices.According to specification, those skilled in the art can understand
Various modifications and changes in the spirit and scope of the present invention.
Vibration absorber according to the present invention and electronic device and shifting comprising the vibration absorber are described with reference to the accompanying drawings
Dynamic equipment.It note that attached drawing is not shown with precise proportions.Directional terminology mentioned herein, such as "upper", "lower",
"left", "right", " front ", " back side " etc. are to be subject to drawing, it is only for the convenience of description is not limited to this hair
It is bright.In the accompanying drawings, similar component, which is adopted, is identified with like reference numerals.
Figure 1A shows a kind of main view of the vibration absorber 1 of illustrative embodiments according to the present invention.The vibration absorber 1
Including bearing part 10 and the damping means 20 being arranged on bearing part 10.
Bearing part 10 is at least one opening 11 (referring to Fig. 1 D) for damping means 20 and for installation
The rectangular sheet structure of at least one mounting hole 12.In preferred embodiment shown in figure 1A, the rectangular sheet of bearing part 10
Shape structure is forming two rectangular apertures 11 respectively at two close end, and there are two mounting holes 12 in middle part formation.
Using the fastener (screw, bolt etc.) in insertion mounting hole 12, bearing part 10 can be fixed to corresponding shell
In structure.Certainly, the quantity and position of opening 11 and mounting hole 12 can be adjusted as needed.
Damping means 20 are rectangular or square laminated structure, have the opening 21 of rectangular or square in front, are opening
Flexible vibration-proof structure 22 is set in mouth 21.In addition, damping means 20 laterally have lateral through-hole 31 (such as Fig. 1 C and Fig. 1 D
It is shown), the width of lateral through-hole 31 is slightly wider than the thickness of the rectangular sheet structure of bearing part 10, so as to by 20 sets of damping means
It is located on bearing part 10, after in place, the rectangular aperture 11 of bearing part 10 and the opening 21 of damping means 20 are aligned.Certainly,
The connection type of damping means 20 and bearing part 10 is without being limited thereto.In alternate embodiments, damping means 20 have U
Type structure forms sidewise hole in the two side walls of U-shaped structure, so that bearing part 10 is inserted through the sidewise hole, from
And damping means 20 and bearing part 10 are linked together.Those skilled in the art, which will also be appreciated that, any other can will subtract
The mode that vibration component and bearing part fit together.
A kind of damping means 20 of preferred embodiment according to the present invention are described in detail referring to Fig. 1 C and Fig. 1 E.Vibration damping
For component 20 after outputing opening 21, remainder constitutes a frame part 26.Just setting is in opening 21 for vibration-proof structure 22, i.e.,
It is arranged into frame part 26.Vibration-proof structure 22 includes shock absorber section 23 and coupling part 25.Shock absorber section 23 and be located at centre
Coupling part 25 between have connector 24.So-called connector 24 refers to shock absorber section 23 and is located in the middle 25 phase of coupling part
In conjunction with part, can be individual component, be also possible to shock absorber section 23 and be located in the middle the combination of coupling part 25
Interface.In the illustrative embodiments shown in Figure 1A to Fig. 1 F, vibration-proof structure 22 is generally H-shaped structure.Wherein, the two of H-shaped
The part of side, i.e. two vertical section is shock absorber section 23, and intermediate part, i.e. lateral part are coupling part 25, H-shaped structure
Four ends of shock absorber section 23 be connected on the parameatal frame part 26 of damping means 20.
As shown in Figure 1A to Fig. 1 F, coupling part 25 is almost diamond, and diamond shape center has mounting hole 27.In a kind of implementation
In mode, mounting hole 27 can be used for directly accommodating fastener.Fastener can be to be well known in the prior art for connecting and fixing
Any element of two structures, bolt, screw etc..In use, fastener is for connecting and consolidating vibration absorber
Surely it arrives on equipment to be damped (such as vehicle-mounted hard disks etc.).In a preferred embodiment, during vibration absorber can be set
Between positioning element.The interfix component is arranged between the damping means 20 of vibration absorber and fastener, for reducing fastening
Part and vibration absorber 20 are directly connected to bring abrasion.As shown in figure iD, interfix component 35 is contained in mounting hole 27 simultaneously
With inner hole 36, inner hole 36 is for accommodating fastener (bolt, screw etc.).Interfix component 35 shown in Fig. 1 D is
Sleeve.The interfix component 35 can be made of the higher material of identical or hardness with 20 hardness of damping means.Work as interfix
When component 35 is worn, new interfix component could alternatively be, can be avoided the entire damping means of replacement or vibration absorber.
When intermediate positioning element 35 is made of the higher material of hardness, abrasion can be effectively reduced, prolonged the service life.Certainly, such as
Preceding described, interfix component 35 is not required, and fastener can be directly accommodated in mounting hole 27, is not interfered of the invention
Effectiveness in vibration suppression.
In a preferred embodiment, in order in the Y direction (referring to coordinate system shown in Fig. 1 F) on vibration damping, while preferably
The fastener being contained in mounting hole 27, enhancing fastness degree are kept, it can be in the front of the coupling part of damping means 20 25
With one in the back side upper or the two on for mounting hole 27 be formed with the flange protruded outward, with for energy-obsorbing and damping and
Auxiliary maintains to extend through the fastener of mounting hole 27.Fig. 1 C and Fig. 1 D show the coupling part of damping means 20 25 just
Face is the flange 28 that mounting hole 27 is formed with the annular protruded outward.Certainly, energy-obsorbing and damping and auxiliary keep the member of fastening
Part is not limited to flange, can also be in the front and back of the coupling part of damping means 20 25 according to a kind of alternate embodiments
In one upper or the two on for mounting hole 27 be formed at least two arc convex protruded outward.Fig. 1 E is shown
The feelings of two arc convex 29 protruded outward are formed in the back side of the coupling part 25 of damping means 20 for mounting hole 27
Shape.Certainly, the invention is not limited thereto, and different energy-absorbings can be arranged in the front and back of the coupling part of damping means 20 25
Vibration damping and the element for assisting keeping fastening such as form flange 28, overleaf formation arc convex 29 in front, or even
The front of socket part point 25 forms arc convex, and overleaf forms flange.The quantity of protrusion is also not necessarily limited to this, can be any conjunction
Suitable setting.Moreover, the energy-obsorbing and damping and auxiliary keep the element of fastening to can also be column etc..Those skilled in the art can
To expect other similar mode.
In addition, those skilled in the art are contemplated that the substantially H to vibration-proof structure 22 based on inventive concept of the invention
Shape structure carries out modification.Fig. 3 A to Fig. 3 N shows the various exemplary variations of the H-shaped structure of vibration-proof structure 22.Such as but
Be not limited to: the vertical shock absorber section 23 of two of H-shaped structure can be deformed into bending or arcuate shape, four end difference
It is connected to the frame part 26 of damping means 20, either being connected on transverse frame sections, also can connect to vertical frame
On frame part.Although attached drawing 3A to Fig. 3 N is not shown, H-shaped structure is also possible to landscape configuration.In addition, the transverse direction of H-shaped structure
Coupling part 25 also need not be diamond shape shown in Figure 1A to Fig. 1 F, can also the rectangle as shown in Fig. 3 A to Fig. 3 N, it is rectangular,
Circle, or even can also be ellipse and polygon not shown in the figure etc..As long as the coupling part 25 is provided with mounting hole 27
And it is connect with shock absorber section 23 and can transmit energy vibration damping.It similarly, can be in the front and/or the back side of coupling part 25
Corresponding energy-obsorbing and damping is set and auxiliary keeps the element of fastening, flange or arc convex or column etc..
Although especially excellent effectiveness in vibration suppression can be obtained using the generally H-shaped vibration-proof structure of the present invention, however, it is possible to manage
Solution, under the premise of not influencing goal of the invention, those skilled in the art can think under the teachings of the present invention according to actual needs
To more modifications.For example, perimeter frame part and the vibration-proof structure being set in frame part and the connection being attached thereto
Other partial settings also can achieve vibration damping purpose, cross vibration-proof structure as shown in Figure 5, Fig. 6 and shown in fig. 7 big
Y-shaped structure is caused, although their effectiveness in vibration suppression can be inferior to generally H-shaped structure.
The bearing part 10 and damping means 20 of vibration absorber 1 according to the present invention generally use different and/or identical
Material is made.The material that bearing part 10 can use metal, alloy, duroplasts, hard rubber etc is made.Damping means 20 can
To be made using materials such as soft elastic metallic, rubber.In addition, interfix component 35 can be identical as damping means 20 by hardness
And/or it is made than the material with high hardness of damping means 20, such as material system of metal, alloy, duroplasts, hard rubber etc
At.In a preferred embodiment, bearing part 10 and interfix component 35 are made of metal or alloy, damping means 20
It is made of rubber.Certainly, the invention is not limited thereto, those skilled in the art's inventive concept according to the present invention, it is contemplated that
The identical and/or various combination of the material between the other materials and these components of these components is made.
Vibration absorber according to the present invention is applicable to various electronic products and/or sophisticated electronics.Usual various electricity
Sub- product and/or sophisticated electronics are housed inside in shell, and shell is fixed to the mobile devices such as vehicle again.If by electric
Sub- product and/or sophisticated electronics are directly connected to shell, then mobile device is in moving process due to the emergency stops such as road conditions, top
Winnowing with a dustpan etc. will lead to vibration, impact etc. when vibrating and is directly passed to electronic product and/or sophisticated electronics, so that electronics produces
Product and/or sophisticated electronics are damaged.Vibration absorber of the invention can be set to be set in electronic product and/or precise electronic
It is standby between shell, to reduce vibration and impact that mobile device passes to electronic product and/or sophisticated electronics, play
Protect the effect of electronic product and/or sophisticated electronics.
Fig. 2A shows vibration absorber 1 according to the present invention and is installed on the ontology of electronic product and accommodates the electronic product
Perspective view between the shell of ontology.Fig. 2 B shows the exploded view of Fig. 2A.The exemplary embodiment party shown in Fig. 2A and Fig. 2 B
In formula, electronic product is hard disk, which is cuboid.It is because of current most of electronic products by taking cuboid as an example
Itself it is the cuboid or square of comparison rule, facilitates installation in place.But the present invention is applicable not only to this regular shape
Electronic product, and be suitable for irregular shape electronic product, as long as it is with installation position.Hard disk ontology 50 holds
It is contained in shell 60.The shell 60 can pass through fastener (screw, bolt, rivet etc.) mode, welding manner or bonding
Mode is fixed to the mobile devices such as vehicle.In a kind of illustrative embodiments being shown in further detail such as Fig. 2 B, shell 60
Including outer cover body 62 and lid 61, on the example wall of outer cover body 62 with the mounting hole pair of the bearing part 10 of vibration absorber 1
The position answered is provided with hole 63, is used for connected with outer casing 60 and vibration absorber 1.Preferably, it is arranged on the inner wall of outer cover body 62
There are the flange or protrusion for hole 63, the fastener for assisting that screw etc. is kept to pass through hole 63.According to mobile device row
Into the factors such as the direction of direction, vibration or impact etc., can choose vibration absorber 1 is opposite at two of hard disk ontology 50
Side is placed between hard disk ontology 50 and the inner wall of shell 60.Two in the vibration absorber to be installed 1 of hard disk ontology 50 are opposite
Side on be respectively formed with mounting hole 51.During installation, mounting hole 27 of the fastener 52 from the coupling part of vibration absorber 1 25
Or interfix component 35 is extended through into the corresponding mounting hole 51 of hard disk ontology 50, thus by vibration absorber 1
It is connected to hard disk ontology 50.
The hard disk of vibration absorber 1 of the invention is installed, when mobile device stops movement suddenly or is jolted, vibration
Kinetic energy is enough effectively to be absorbed or is reduced by vibration absorber 1.In order to describe conveniently, coordinate system as shown in Figure 1 F is set, wherein in figure
Horizontal direction be X-direction, vertical direction is Z-direction in figure, and the direction perpendicular to drawing is Y-direction.The vibration of Z-direction passes through
Connector 24 between coupling part 25 and shock absorber section 23 undertakes deformation to reduce, and connector 24 vibrates along the Z direction carries out deformation
Mechanical energy is transformed into low amounts grade thermal energy consumption mechanical energy, to realize the purpose of vibration damping.The vibration of X-direction passes through shock absorber section
23 vibrate progress deformation along the X direction is transformed into low amounts grade thermal energy consumption mechanical energy for mechanical energy, to realize the purpose of vibration damping.
The vibration of Y-direction is vibrated along the Y direction by two annular protrusions 29 and the flange of front below carries out deformation for mechanical energy
It is transformed into low amounts grade thermal energy consumption mechanical energy, to realize the purpose of vibration damping.The frame part 26 of vibration absorber 1 can be limited in
Issuable maximum displacement in vibration processes avoids hard disk ontology 50 from directly hitting shell 60.
Effectiveness in vibration suppression using vibration absorber of the invention is excellent.Carrying out test to effectiveness in vibration suppression in the art is root
According to " IEC68-2-6 test method Fc and guide: sinusoidal vibration ".IEC68-2-6 test method is designed to provide a standard
Sine vibration test program, with determine test specimen meet with simple harmonic oscillation mechanical weakness where and specific function degenerate case.It should
Test method(s) also can be used for determining test specimen structural integrity and/or Research on Dynamic Characteristic, meet with suitable for transport or use process
Element, equipment or other products of simple harmonic oscillation.According to IEC68-2-6 test method Fc and guide to being equipped with according to the present invention
The sinusoidal vibration of test specimen hard disk of vibration absorber 1 tested.Test process to vibration absorber of the invention includes as follows
Step:
Visual inspection, electrical property and mechanical inspection are executed to test specimen hard disk according to the regulation of related specifications before the test;
Test is executed by specification, and after completing axial all experiment works, just can be carried out the test (axis of another axial direction
To definition and test level, time all in accordance with related specifications);
According to the regulation of related specifications, functional test and every measurement tasks are executed in test;
Test terminates;
Before test specimen hard disk returns back to test after identical state, visual inspection, electrical property and mechanical inspection are executed.
The structure of vibration absorber for test is identical as shown in Figure 1A to Fig. 1 F.Test specimen hard disk is advised according to IEC68-2-47
Surely it is fixed on test platform, 100g load-carrying.Bite, control point are according to the specified configurations of related specifications.Experimental condition is 1g ' s
The sine sweep of input is tested, and swept-sine vibration is from 20Hz to 500Hz, and sweep speed is 1Oct./min. (per minute one
Frequency multiplication).It finally obtains in vibration-testing shown in the curve and table 1 of vibratory response frequency and vibration transmissibility shown in Fig. 4
Maximum vibration transport result.
1 Results of Vibration of table
Sweep speed sine sweep from 20Hz to 500Hz with a frequency multiplication per minute of test specimen hard disk is shown in Fig. 4
The horizontal axis of result curve, curve is response frequency, and the longitudinal axis is vibration transmissibility.From the point of view of in Fig. 4, due to subtracting for vibration absorber 1
The structure in X, Y, Z-direction (referring to coordinate system shown in Fig. 1 F) of structure 22 of shaking is not identical, therefore obtained vibration damping result is also omited
It is variant: Y, X-direction peak of curve occur ratio Z-direction peak of curve it is early, i.e., occurred as soon as in lower response frequency, from
From the point of view of the data of table 1, Y, X-direction peak of curve be to occur in 28Hz and 27Hz respectively.And the peak of curve of Z-direction occurs
It is later, it from the point of view of the data of table 1, is occurred in 47Hz.The maximum vibration transport of X-direction is 2.09;The maximum vibration of Y-direction
Dynamic transport is 1.9, and the maximum vibration transport of Z-direction is 1.93.
Maximum vibration transport is to measure an important indicator of effectiveness in vibration suppression.Maximum vibration transport=test specimen (hard disk)
On the acceleration value that is measured on test platform under maximum acceleration value/dot frequency for measuring (be herein 1g ' s).Transport
Smaller, electronic device, i.e. hard disk are safer.For response frequency, the maximum point of acceleration value on test curve, response frequency
Rate is lower, and the safety zone of electronic device, i.e. hard disk is bigger.As it can be seen that as it can be seen that the effectiveness in vibration suppression of Y-direction as shown in table 1 and Fig. 4
Preferably, not only maximum delivered rate is minimum, but also the corresponding response frequency of acceleration maximum of points of test curve is lower.It is overall and
Speech, the effectiveness in vibration suppression of vibration absorber according to the present invention is very good, and response frequency is greatly reduced.
As it can be seen that vibration absorber according to the present invention has extraordinary effectiveness in vibration suppression.Certainly, for shown in Figure 1A to Fig. 1 F
Preferred embodiment in vibration absorber 1 generally H-shaped vibration-proof structure 22 for, due to the structure less phase in X, Y, Z-direction
Together, thus in the effectiveness in vibration suppression of X, Y, Z-direction it is slightly different.When in use, those skilled in the art can be according to different directions
Vibration damping need to be arranged the generally H-shaped direction, such as it is generally H-shaped structure is laterally disposed etc..This is applied equally to substantially
The vibration-proof structure of cross and Y shape.
The electronic equipment and/or precision instrument of vibration absorber according to the present invention are installed, mobile device can be loaded into
On, the mounting hole on shell by the way that electronic equipment and/or precision instrument is arranged in, by fasteners such as screw, bolts
It is connected with the mobile device of vehicle etc., to realize excellent effectiveness in vibration suppression, is provided more preferably for the user of mobile device
The usage experience of ground electronic equipment and/or precision instrument.Certainly, it may occur to persons skilled in the art that it is other by electronic equipment
And/or the mode that precision instrument is connected with mobile device, welding, riveting, bonding etc..
A specific embodiment of the invention is illustrated above with reference to attached drawing, but these explanations should not be construed as to this
The limitation of invention protection scope.Different embodiments of the invention can be combined or tie according to any mode appropriate
It closes.Those skilled in the art are according to the present invention to instruct the improvement or modification made to above-mentioned specific embodiment, each falls within this
The protection scope of invention.
Claims (21)
1. a kind of vibration absorber being arranged between the ontology of electronic device and shell comprising bearing part, damping means and
Fixation member, the bearing part is for supporting the damping means, and the fixation member is for fixing the vibration absorber
To the electronic device, it is characterised in that:
At least part of the damping means is made of elastic material, and there are the damping means damping means to be open and hold
The elastic damping structure being contained in damping means opening, the elastic damping structure is generally h-shaped, cross or Y-junction
Structure, and the elastic damping structure includes that the shock absorber section in outside and intermediate coupling part, the end of the shock absorber section connect
It is connected on the parameatal frame part of the damping means and the coupling part is provided with for receiving the fixed part
The vibration absorber is fixed to the electronic device by the mounting hole of part.
2. vibration absorber as described in claim 1, wherein the bearing part is equipped with bearing part opening and the vibration damping
Component openings are directed at the bearing part opening.
3. vibration absorber as claimed in claim 1 or 2, wherein the vibration-proof structure has generally H-shaped structure, the H-shaped structure
Including the shock absorber section as two sides of H-shaped, the coupling part as H-shaped connecting line and the shock absorber section and the connection
Optional connector between part, the end of the shock absorber section are connected to the parameatal frame part of the damping means
On.
4. vibration absorber as claimed in claim 3, wherein the center portion of the coupling part is provided with described for receiving
The mounting hole of fixation member, so that the vibration absorber is connected to the electronic device.
5. vibration absorber as claimed in claim 3, wherein the coupling part is almost diamond.
6. vibration absorber as claimed in claim 4 further includes interfix component, the interfix component is arranged described
In mounting hole and for accommodating the fixation member.
7. vibration absorber as claimed in claim 6, wherein the hardness of the material of the interfix component subtracts not less than described
The material hardness of vibration component.
8. vibration absorber as claimed in claim 3, wherein be provided with outward at the back side of the coupling part of the vibration-proof structure
At least one arc convex that side is stretched out.
9. vibration absorber as claimed in claim 3, wherein be provided with outward in the front of the coupling part of the vibration-proof structure
It is convex to be provided at least one arc for stretching out outward at the back side of the coupling part of the vibration-proof structure for the flange that side is stretched out
It rises.
10. vibration absorber as claimed in claim 3, wherein the shape of the coupling part is selected from following shape: round, ellipse
Round, polygon.
11. vibration absorber as claimed in claim 10, wherein the polygon is square or rectangular.
12. vibration absorber as claimed in claim 6, wherein at least one described arc convex is two.
13. vibration absorber as described in claim 1, wherein the damping means are substantially formed by rubber, the supporting part
Part is formed by least one of metal, duroplasts.
14. vibration absorber as claimed in claim 13, wherein the metal is alloy.
15. vibration absorber as claimed in claim 7, wherein the interfix component is by least one in metal, duroplasts
Kind is formed, and the damping means are substantially formed by rubber.
16. vibration absorber as claimed in claim 15, wherein the metal is alloy.
17. vibration absorber as described in claim 1, wherein the damping means are set in the bearing by lateral through-hole
On component.
18. vibration absorber as described in claim 1, wherein the vibration-proof structure has substantially cross-shaped structure, including vibration damping
Part and intermediate coupling part, the end of the shock absorber section is connected to the parameatal frame part of the damping means
On.
19. vibration absorber as described in claim 1, wherein the vibration-proof structure has generally y-shaped structure, including outside
Shock absorber section and intermediate coupling part, the end of the shock absorber section is connected to the parameatal frame section of the damping means
On point.
20. a kind of electronic device comprising:
The ontology of electronic device;
Shell, for accommodating the ontology of electronic device;
Vibration absorber as described in any one of claim 1-19, the vibration absorber are arranged on the sheet of the electronic device
Between body and shell.
21. a kind of mobile device, the mobile device includes electronic device as claimed in claim 20.
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CN201410064059.7A CN104864015B (en) | 2014-02-21 | 2014-02-21 | Vibration absorber and electronic device and mobile device comprising the vibration absorber |
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CN201410064059.7A CN104864015B (en) | 2014-02-21 | 2014-02-21 | Vibration absorber and electronic device and mobile device comprising the vibration absorber |
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CN104864015B true CN104864015B (en) | 2019-07-19 |
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Families Citing this family (2)
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CN110030306B (en) * | 2019-03-25 | 2020-06-12 | 中国科学院长春光学精密机械与物理研究所 | Vibration isolation supporting structure and vibration isolator |
CN115388116A (en) * | 2021-05-25 | 2022-11-25 | 华为技术有限公司 | Vibration suppression assembly, preparation method thereof, electric drive system and vehicle |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3445491C1 (en) * | 1984-12-13 | 1986-04-10 | Wegu Gummi- und Kunststoffwerke Walter Dräbing KG, 3500 Kassel | Bearing for an exhaust system of a motor vehicle |
GB2355780A (en) * | 1999-10-26 | 2001-05-02 | Draftex Ind Ltd | A resilient support for a vehicle exhaust system |
CN2678065Y (en) * | 2004-02-18 | 2005-02-09 | 深圳市比特龙电脑技术有限公司 | Hard disk damping shock-absorbing mount |
CN201184385Y (en) * | 2008-04-15 | 2009-01-21 | 上海通用汽车有限公司 | Rigidity-changing buffer block |
CN201285657Y (en) * | 2008-11-06 | 2009-08-05 | 深圳市锐明视讯技术有限公司 | Vibration isolation apparatus for hard disc |
CN201725577U (en) * | 2010-03-22 | 2011-01-26 | 杭州海康威视***技术有限公司 | Removable car-mounted hard disk vibration-absorbing system |
CN202833838U (en) * | 2012-08-15 | 2013-03-27 | 凯迈(洛阳)测控有限公司 | Vibration damping device |
CN103363016B (en) * | 2013-07-31 | 2015-07-15 | 广州电力机车有限公司 | Dumper power assembly vibration isolator for mine |
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