CN105927707A - Small-sized electronic element double-deck shock absorber based on flat spring - Google Patents
Small-sized electronic element double-deck shock absorber based on flat spring Download PDFInfo
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- CN105927707A CN105927707A CN201610409152.6A CN201610409152A CN105927707A CN 105927707 A CN105927707 A CN 105927707A CN 201610409152 A CN201610409152 A CN 201610409152A CN 105927707 A CN105927707 A CN 105927707A
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- Prior art keywords
- flat spring
- spring
- hole
- level
- electronic component
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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
- 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
- F16F15/08—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 with rubber springs ; with springs made of rubber and metal
Abstract
The invention relates to a small-sized electronic element double-deck shock absorber based on a flat spring. The shock absorber comprises the flat spring, a middle mass block, at least one secondary spring and a mounting plate for mounting a to-be-damped element, wherein the mounting plate is positioned above the flat spring; a through hole for providing shape change space for the secondary spring is formed in the flat spring; one end of the secondary spring is mounted on the lower end face of the mounting plate; the middle mass block is mounted on the lower side face of the flat spring; the other end of the secondary spring penetrates through the through hole in the flat spring to be connected with the middle mass block. The small-sized electronic element double-deck shock absorber based on a flat spring realizes the double-deck effect in a single shock absorber and has the advantages of being small in size, low in centroid and effectively reducing vibrational coupling in the height direction.
Description
Technical field
The present invention relates to cushion technique field, particularly relate to a kind of Small electronic component based on flat spring double
Layer damper.
Background technology
In vibration engineering, damper as the separate absorption device of vibrational energy, resist vibratory impulse,
Protection device structure aspect has a wide range of applications.
Electronic devices and components damping generally uses the flexible member conducts such as General Purpose Rubber, sponge rubber, steel wire rope
Damper.Along with the development of technology, the electronic component such as airborne synthetic aperture radar crystal oscillator is to damping effect
Require more and more higher, generally at combination and rack room design one-level damping, combination and plug-in unit in traditional design
Between design one-level damping, the mode of plug-in unit and crystal oscillator electron-like interelement design one-level damping carry out vibrating every
From.Owing to intermediate mass is combination or the quality of plug-in unit itself, it is difficult to regulate, cause the damping effect cannot
Optimize so that damping effect is had a greatly reduced quality；And because intermediate mass (combination or plug-in unit) rigidity is relatively low, lead
Causing design rigidity and there is deviation, the damping effect that actual measurement is arrived is far short of what is expected compared with Theoretical Design value, reaches not
Design requirement to crystal oscillator class component.The damping effect of this kind of design has been mined the limit, the most only
The mode of the rigidity reducing dampers at different levels can be used to reduce system frequency further, and this will cause
Shock mitigation system blastic deformation is excessive, and the stability of a system reduces.
The flexible member of traditional shock absorber is typically based on elastic caoutchouc, metal-rubber, helical spring, steel wire
Rope, gas, liquid, electromagnetic force etc. are relatively big, as carried out bilayer based on the usual height dimension of this design
Damping, only can be suitably used for the occasion that installing space is bigger, normally only can apply to dynamic power machine, air-conditioning etc.
The positive damping of equipment, there is typically further the problem that height of center of mass is high, vibration coupling is serious, and this makes double
Layer damping is difficult to apply in the passive Aseismatic Design of Miniature component；Additionally, traditional double-layer shock-absorbing sets
Meter typically requires and is respectively mounted multiple damper in two-stage quality and combines, and shock mitigation system is the most multiple
Miscellaneous.
Summary of the invention
The technical problem to be solved be to provide a kind of good damping effect, barycenter low based on sheet bullet
The Small electronic component double-layer damper of spring.
The technical scheme is that a kind of miniature electric based on flat spring
Element double-layer damper, it includes flat spring, intermediate mass block, at least one two-level spring and for pacifying
The installing plate of damper element treated by dress, and described installing plate is positioned at the top of described flat spring；On described flat spring
Being provided with the through hole for providing deformation space for described two-level spring, one end of described two-level spring is installed
On the lower surface of described installing plate；Described intermediate mass block is installed on the downside of described flat spring；
The other end of described two-level spring couples through the through hole on described flat spring with described intermediate mass block.
The invention has the beneficial effects as follows: the present invention uses double-layer shock-absorbing principle to be designed, in single damping
Achieving the effect of double-layer shock-absorbing in device, have that barycenter is low, the adjustable feature of intermediate mass block, damping is imitated
Fruit is far superior to traditional individual layer shock mitigation system；By using flat spring as main damper element, reduce
Size in short transverse, barycenter is low, can effectively reduce vibration coupling so that double-layer shock-absorbing can be little
Type electronic component is promoted.
On the basis of technique scheme, the present invention can also do following improvement.
Further, also including that at least one adjusts mass, described adjustment mass is installed on described centre
On the lower surface of mass.
Above-mentioned further scheme is used to provide the benefit that: by arranging adjustment mass, can be as required
Change the quantity adjusting quality, thus change the mass ratio of double-layer shock-absorbing, optimize damping effect.
Further, described adjustment mass is multiple, and multiple described adjustment masses are installed on described successively
On the lower surface of intermediate mass block.
Above-mentioned further scheme is used to provide the benefit that: multiple adjustment mass can be set as required,
To change the mass ratio of double-layer shock-absorbing, optimize damping effect.
Further, described intermediate mass block is cylindrical, and its upper surface is provided with groove, described groove
Being provided centrally with centre bore, described centre bore connects with described through hole；The intermediate mass block of described cylinder
On be provided with the first installation screw for installing described flat spring, described groove is provided with for installing
Second installation screw of described two-level spring.
Above-mentioned further scheme is used to provide the benefit that: by arranging on cylindrical intermediate mass block
Groove, utilizes the second installation screw on groove to be connected with two-level spring by intermediate mass block, should reducing
While the weight of intermediate mass block, also can reduce this damper size in the height direction；By
The centrally disposed centre bore of groove, it is possible to reduce the weight of this intermediate mass block, thus reduce damper
Overall weight.
Further, described flat spring includes square body and three arcs being arranged on described square body
Bar, three described arc strips circumferential surface around the outside of described through hole arrange and with described through hole
Outer peripheral face is tangent；On described square body, the side away from described through hole at described arc strip is additionally provided with
Arcuate socket.
Above-mentioned further scheme is used to provide the benefit that: by arranging arc strip, can be by adjusting arc
The thickness of bar and width carry out the rigidity of trimmer spring.
Further, described arc strip is provided with for installing described intermediate mass block and pacifying with described first
Dress corresponding multiple first connecting holes of screw, multiple described first connecting holes are around surveying in described through hole week
Circumference is arranged.
Above-mentioned further scheme is used to provide the benefit that: to connect by arranging multiple first on arc strip
Hole, utilizes screw, by the first connecting hole and the first installation screw, intermediate mass block is fixed on flat spring
On.
Further, described two-level spring is multiple, and multiple described two-level springs are distributed on described square body
Downside on.
Above-mentioned further scheme is used to provide the benefit that: multiple two-level spring to be set by uniform, can carry
The stability of high damper entirety load-bearing.
Further, described through hole is one, and multiple described two-level springs are all by described through hole and middle interstitial
Gauge block connects.
Above-mentioned further scheme is used to provide the benefit that: by arranging a through hole, by multiple two grades of bullets
Spring is connected with intermediate mass block by this through hole, it is simple to for the sky that the elastic deformation offer of two-level spring is sufficient
Between.
Further, the first end of described two-level spring is provided with the first screw, described installing plate is arranged
There is second connecting hole corresponding with described first screw；Be provided with on second end of described two-level spring with
The second stud that described second installation screw matches.
Above-mentioned further scheme is used to provide the benefit that: will be installed by the first screw on two-level spring
Plate is tightly fixed on described two-level spring, is tightly fixed on by intermediate mass block by the stud on two-level spring
On two-level spring so that the connection of intermediate mass block, two-level spring and installing plate in order and saves space,
Thus reduce this damper size in the height direction.
Further, the material of described two-level spring is rubber or metal-rubber.
Accompanying drawing explanation
Fig. 1, the 2 Small electronic component double-layer shock-absorbings based on flat spring provided for the embodiment of the present invention one
The structural representation of device；
The Small electronic component bilayer based on flat spring that Fig. 3 to Fig. 8 provides for the embodiment of the present invention two subtracts
The structural representation of shake device.
In accompanying drawing, the list of parts representated by each label is as follows:
1, flat spring, 2, intermediate mass block, 3, two-level spring, 4, installing plate, 5, adjust quality
Block, 1-1, installing hole, 1-2, the first connecting hole, 1-3, arc strip, 1-4, arcuate socket, 1-5,
Through hole, 2-1, the first installation screw, 2-2, the second installation screw, 3-1, stud, 3-2, the first spiral shell
Hole, 4-1, the second connecting hole, 4-2, the 3rd connecting hole, 5-1, the 4th connecting hole.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining this
Invention, is not intended to limit the scope of the present invention.It should be noted that in the case of not conflicting, this
Feature in the embodiment of application and embodiment can be mutually combined.
Embodiment one
As shown in Figure 1, 2, the Small electronic component double-layer shock-absorbing based on flat spring that the present embodiment provides
Device, it includes flat spring 1, intermediate mass block 2, at least one two-level spring 3 and waits to subtract for installing
The installing plate 4 of shake element, described installing plate is positioned at the top of described flat spring 1；On described flat spring 1
It is provided with the through hole for providing deformation space for described two-level spring 3, one end of described two-level spring 3
It is arranged on the lower surface of described installing plate 4；Described intermediate mass block 2 is installed on described flat spring 1
On downside；The other end of described two-level spring 3 passes the through hole 1-5 on described flat spring 1 with described
Intermediate mass block 2 couples.Wherein the material of two-level spring 3 is rubber or metal-rubber.
The Small electronic component double-layer damper based on flat spring that the present embodiment provides, it uses bilayer to subtract
Shake principle is designed, and achieves the effect of double-layer shock-absorbing in single damper, and damping effect is much better than
Traditional individual layer shock mitigation system, improves the vibration environment of the electronic components such as crystal oscillator；By using flat spring
As main damper element, reducing the size in short transverse, barycenter is low, can effectively reduce vibration coupling.
In one of them embodiment in the present embodiment, its miniature electric based on flat spring provided
Element double-layer damper also includes that at least one adjusts mass 5, and described adjustment mass 5 is installed on institute
Stating on the lower surface of intermediate mass block 2, it is multiple for adjusting mass 5, multiple described adjustment masses 5
It is installed on successively on the lower surface of described intermediate mass block 2.By arranging adjustment mass 5, can basis
Need to change the quantity adjusting mass 5, thus change the mass ratio of double-layer shock-absorbing, optimize damping effect.
Embodiment two
If Fig. 3 is to shown in 8, the Small electronic component double-layer shock-absorbing based on flat spring that the present embodiment provides
Device, it includes flat spring 1, intermediate mass block 2, at least one two-level spring 3 and waits to subtract for installing
The installing plate 4 of shake element, described installing plate is positioned at the top of described flat spring 1；On described flat spring 1
It is provided with the through hole 1-5 for providing deformation space for described two-level spring 3, described two-level spring 3
One end is arranged on the lower surface of described installing plate 4；Described intermediate mass block 2 is installed on described flat spring
On the downside of 1；The other end of described two-level spring 3 through the through hole 1-5 on described flat spring 1 with
Described intermediate mass block 2 couples.It also includes that at least one adjusts mass 5, described adjustment mass
On 5 lower surfaces being installed on described intermediate mass block 2.
Adjustment mass 5 therein can be disc structure, adjust be provided with on mass 5 for centre
Multiple 4th connecting hole 5-1, multiple 4th connecting hole 5-1 that mass 2 connects are distributed on adjustment quality
In the card of block 5, thus convenient adjust the fixing of mass 5 and intermediate mass block 2.
Wherein, intermediate mass block 2 includes cylinder, and its upper surface is provided with groove, in described groove
The heart is provided with centre bore, and described centre bore connects with described through hole 1-5；The intermediate mass of described cylinder
It is provided with the first installation screw 2-1 for installing described flat spring 1 on block 2, described groove is arranged
There is the second installation screw 2-2 for installing described two-level spring 3.By at cylindrical intermediate mass
The upper surface of block 2 arranges groove, utilize the second installation screw 2-2 on groove by intermediate mass block 2 with
Two-level spring 3 connects, and while reducing the weight of this intermediate mass block 2, also can reduce this damper
Size in the height direction；By the centrally disposed centre bore at groove, it is possible to reduce this intermediate mass
The weight of block 2, thus reduce the overall weight of damper.
Flat spring 1 therein includes square body and three arc strips being arranged on described square body
1-3, a three described arc strip 1-3 circumferential surface around the outside of described through hole 2-1 is arranged, and
Tangent with the outer peripheral face of described through hole 2-1；On described square body at described arc strip 1-3 away from institute
The side stating through hole 2-1 is additionally provided with arcuate socket 1-4.By arranging arc strip 1-3, can be by adjusting
The thickness of arc strip 1-3 and width carry out the rigidity of trimmer spring 1.It is provided with on described arc strip 1-3
For installing multiple first corresponding with described first installation screw 2-1 of described intermediate mass block 2 even
Meet hole 1-2, multiple described first connecting hole 1-2 to arrange around described through hole 2-1.By at arc strip
Multiple first connecting hole 1-2 is set on 1-3, utilizes screw to pass through the first connecting hole 1-2 and first and install
Intermediate mass block 2 is fixed on flat spring 1 by screw 2-1.
For promoting the stability of damper entirety load-bearing, multiple two-level spring 3 also can be set, multiple described
Two-level spring 3 is distributed on the downside of described square body；Through hole 2-1 therein is alternatively one,
Multiple two-level springs 3 are all connected with described intermediate mass block 2 by described through hole 2-1.By arranging one
Multiple two-level springs are connected with intermediate mass block by individual through hole 2-1 by this through hole 2-1, it is simple to be two
The elastic deformation of level spring 3 provides sufficient space.
It is provided with the first screw 3-2 on first end of two-level spring 3 therein, described installing plate 4 sets
It is equipped with and described first the second corresponding for screw 3-2 connecting hole 4-1；The second of described two-level spring 3
The stud 3-1 matched with described second installation screw 2-2 it is provided with on end.For ease of element to be damped
Installation, also can be provided for installing multiple 3rd connecting hole 4-2 of element to be damped on installing plate 4,
To treat that damper element is installed on installing plate 4 by multiple 3rd connecting hole 4-2.For ease of by damper
On the basis of being installed on vibration, multiple installing hole 1-1 is also set on the square body of flat spring 1, the plurality of
Installing hole 1-1 can be distributed on the two ends of this square body respectively, by this installing hole 1-1 by this vibrator
On the basis of being stable in vibration.
Before damper uses, first calculate the intrinsic frequency of the two-stage damping of damper according to the main frequency of vibration
Rate；Conservative design requires that the main frequency of vibration is more than damper second-order intrinsic frequencyMore than Bei；
The most suitably increase and decrease adjusts the quantity of mass 5, optimizes damping transport, then by shock absorber
In each parts spiral shell be connected as a single entity, then determine by the sensitive direction of damper element, by installing plate 4
Multiple 3rd connecting hole 4-2, will be installed on installing plate 4 by damper element；Side by flat spring 1
Damper is connected by the multiple installing hole 1-1 on shape body with vibration basis.
The Small electronic component double-layer damper based on flat spring that the present embodiment provides, it uses bilayer to subtract
Shake principle is designed, and achieves the effect of double-layer shock-absorbing in single damper, and damping effect is much better than
Traditional individual layer shock mitigation system, improves the vibration environment of the electronic components such as crystal oscillator；By using flat spring
As main damper element, reducing the size in short transverse, barycenter is low, can effectively reduce vibration coupling.
In describing the invention, it should be noted that term " pushes up ", " end ", " " interior ", " outward "
It is based on orientation shown in the drawings or position relationship in the orientation indicated or position relationship, is for only for ease of
Describe the present invention and simplification description rather than instruction or the device of hint indication or element must have specific
Orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally,
Term " first ", " second ", " the 3rd ", " the 4th " are only used for describing purpose, and it is not intended that refer to
Show or imply relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term
" install ", " being connected ", " connection " should be interpreted broadly, and connect for example, it may be fixing, it is also possible to
It is to removably connect, or is integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be
It is joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.Right
For those of ordinary skill in the art, above-mentioned term tool in the present invention can be understood with concrete condition
Body implication.Additionally, in describing the invention, except as otherwise noted, " multiple " are meant that two
Or two or more.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all in the present invention
Spirit and principle within, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (10)
1. a Small electronic component double-layer damper based on flat spring, it is characterised in that include sheet
Spring (1), intermediate mass block (2), at least one two-level spring (3) and treat damper element for installation
Installing plate (4), described installing plate is positioned at the top of described flat spring (1)；
The through hole for providing deformation space for described two-level spring (3) it is provided with on described flat spring (1)
(1-5), one end of described two-level spring (3) is arranged on the lower surface of described installing plate (4)；In described
Between mass (2) be installed on the downside of described flat spring (1)；Another of described two-level spring (3)
End couples through the through hole (1-5) on described flat spring (1) with described intermediate mass block (2).
Small electronic component double-layer damper based on flat spring the most according to claim 1, its
Being characterised by, also including that at least one adjusts mass (5), described adjustment mass (5) is installed on described
On the lower surface of intermediate mass block (2).
Small electronic component double-layer damper based on flat spring the most according to claim 2, its
Being characterised by, described adjustment mass (5) is multiple, and multiple described adjustment masses (5) are installed on successively
On the lower surface of described intermediate mass block (2).
Small electronic component double-layer damper based on flat spring the most according to claim 3, its
Being characterised by, described intermediate mass block (2) is cylindrical, and its upper surface is provided with groove, described groove
Be provided centrally with centre bore, described centre bore connects with described through hole (1-5)；In described cylinder
Between be provided with the first installation screw (2-1) for installing described flat spring (1) on mass (2), described
The second installation screw (2-2) for installing described two-level spring (3) it is provided with on groove.
Small electronic component double-layer damper based on flat spring the most according to claim 4, its
Being characterised by, described flat spring (1) includes square body and three arcs being arranged on described square body
Shape bar (1-3), three described arc strips (1-3) are successively around a ring in the outside of described through hole (2-1)
Side face is arranged and tangent with the outer peripheral face of described through hole (2-1)；At described arc strip on described square body
The side away from described through hole be additionally provided with arcuate socket (1-4).
Small electronic component double-layer damper based on flat spring the most according to claim 5, its
Be characterised by, described arc strip (1-3) is provided with for install described intermediate mass block (2) and with institute
Stating multiple first connecting holes (1-2) that the first installation screw (2-1) is corresponding, multiple described first even
Connect the hole (1-2) circumference around described through hole (2-1) week side to arrange.
Small electronic component double-layer damper based on flat spring the most according to claim 5, its
Being characterised by, described two-level spring (3) is multiple, and multiple described two-level springs (3) are distributed on described square
On the downside of body.
Small electronic component double-layer damper based on flat spring the most according to claim 7, its
Being characterised by, described through hole (2-1) is one, and multiple described two-level springs (3) are all by described through hole
(2-1) it is connected with described intermediate mass block (2).
Small electronic component double-layer damper based on flat spring the most according to claim 4, its
It is characterised by, the first end of described two-level spring (3) is provided with the first screw (3-2), described peace
It is provided with second connecting hole (4-1) corresponding with described first screw (3-2) on dress plate (4)；
It is provided with on second end of described two-level spring (3) and matches with described second installation screw (2-2)
Stud (3-1).
10. according to the Small electronic component based on flat spring described in claim 1 to 9 any of which item
Double-layer damper, it is characterised in that the material of described two-level spring (3) is rubber or metal-rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610409152.6A CN105927707B (en) | 2016-06-12 | 2016-06-12 | A kind of Small electronic component double-layer damper based on flat spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610409152.6A CN105927707B (en) | 2016-06-12 | 2016-06-12 | A kind of Small electronic component double-layer damper based on flat spring |
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| CN105927707B CN105927707B (en) | 2017-11-07 |
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| CN107509331A (en) * | 2017-08-11 | 2017-12-22 | 中国电子科技集团公司第三十八研究所 | A kind of Low phase noise missile-borne antivibration frequency source and cushion blocking |
| CN109630602A (en) * | 2019-01-18 | 2019-04-16 | 上海大学 | A kind of quasi- zero stiffness vibrating isolation system of electromagnetism based on Stewart platform |
| GB2610822A (en) * | 2021-09-15 | 2023-03-22 | Bae Systems Plc | Resonator, resonator array, vibration control system and method |
| GB2612183A (en) * | 2021-09-15 | 2023-04-26 | Bae Systems Plc | Resonator, resonator array, vibration control system and method |
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| GB2612183A (en) * | 2021-09-15 | 2023-04-26 | Bae Systems Plc | Resonator, resonator array, vibration control system and method |
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| Publication number | Publication date |
|---|---|
| CN105927707B (en) | 2017-11-07 |
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