CN105927707B - A kind of Small electronic component double-layer damper based on flat spring - Google Patents
A kind of Small electronic component double-layer damper based on flat spring Download PDFInfo
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- CN105927707B CN105927707B CN201610409152.6A CN201610409152A CN105927707B CN 105927707 B CN105927707 B CN 105927707B CN 201610409152 A CN201610409152 A CN 201610409152A CN 105927707 B CN105927707 B CN 105927707B
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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
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- General Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention relates to a kind of Small electronic component double-layer damper based on flat spring, it includes flat spring, intermediate mass block, at least one two-level spring and the installing plate that damper element is treated for installing, and the installing plate is located at the top of the flat spring；The through hole for providing deformation space for the two-level spring is provided with the flat spring, one end of the two-level spring is arranged on the lower surface of the installing plate；The intermediate mass block is installed on the downside of the flat spring；The other end of the two-level spring couples through the through hole on the flat spring with the intermediate mass block.It realizes the effect of double-layer shock-absorbing in single damper, and small with size in short transverse, barycenter is low, the advantages of can effectively reducing vibration coupling.
Description
Technical field
The present invention relates to cushion technique field, more particularly to a kind of Small electronic component double-layer shock-absorbing based on flat spring
Device.
Background technology
In vibration engineering, damper is resisting vibratory impulse, protection equipment knot as the separate absorption device of vibrational energy
Had a wide range of applications in terms of structure.
Electronic component damping is used as damper usually using flexible members such as General Purpose Rubber, sponge rubber, steel wire ropes.With
The development of technology, the requirement more and more higher of the electronic component to damping effect, traditional design such as airborne synthetic aperture radar crystal oscillator
In generally in combination and rack room design one-level damping, combine the design one-level damping between plug-in unit, plug-in unit and crystal oscillator electron-like member
The mode that one-level damping is designed between part carries out isolating technique.Because intermediate mass is the quality of combination or plug-in unit in itself, it is difficult to adjust
Section, causes damping effect not optimize so that damping effect is had a greatly reduced quality；And because intermediate mass (combination or plug-in unit) rigidity compared with
It is low, cause design rigidity to there is deviation, the damping effect actually measured is far short of what is expected compared with Theoretical Design value, does not reach crystal oscillator class
The design requirement of element.The damping effect of this kind of design has been mined the limit, is typically only capable to using reduction dampers at different levels
The mode of rigidity further reduce system frequency, this will cause shock mitigation system blastic deformation excessive, the stability of a system
Reduction.
The flexible member of traditional shock absorber is typically based on elastic caoutchouc, metal-rubber, helical spring, steel wire rope, gas, liquid
Body, electromagnetic force etc., it is larger based on the usual height dimension of this design, such as carry out double-layer shock-absorbing, only can be suitably used for installing space compared with
Big occasion, is typically applicable only to the positive damping of the equipment such as dynamic power machine, air-conditioning, there is typically further height of center of mass height, shakes
The problem of coupling is serious is moved, this causes double-layer shock-absorbing to be difficult to apply in the passive Aseismatic Design of Miniature component；In addition, traditional
Double-layer shock-absorbing design usually require to be respectively mounted multiple dampers in two-stage quality and combine, shock mitigation system is more multiple
It is miscellaneous.
The content of the invention
It is low based on the small-sized of flat spring that the technical problems to be solved by the invention are to provide a kind of good damping effect, barycenter
Electronic component double-layer damper.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of Small electronic component based on flat spring is double-deck
Damper, it includes flat spring, intermediate mass block, at least one two-level spring and the installing plate that damper element is treated for installing,
The installing plate is located at the top of the flat spring；It is provided with the flat spring empty for providing deformation for the two-level spring
Between through hole, one end of the two-level spring is arranged on the lower surface of the installing plate；The intermediate mass block is installed on institute
State on the downside of flat spring；The other end of the two-level spring passes through through hole and the intermediate mass block on the flat spring
Connection.
The beneficial effects of the invention are as follows：The present invention is designed using double-layer shock-absorbing principle, is realized in single damper
The effect of double-layer shock-absorbing, with the characteristics of barycenter is low, intermediate mass block is adjustable, damping effect is far superior to traditional individual layer and subtracted
Shake system；By using flat spring as main damper element, the size in short transverse is reduced, barycenter is low, can effectively reduced
Vibration coupling so that double-layer shock-absorbing can be promoted in Small electronic component.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, in addition at least one adjustment mass, the adjustment mass is installed on the intermediate mass block
On lower surface.
Beneficial effect using above-mentioned further scheme is：By setting adjustment mass, adjustment can be changed as needed
The quantity of quality, so as to change the mass ratio of double-layer shock-absorbing, optimizes damping effect.
Further, the adjustment mass is multiple, and multiple adjustment masses are installed on the intermediate mass successively
On the lower surface of block.
Beneficial effect using above-mentioned further scheme is：Multiple adjustment masses can be set as needed, it is double to change
The mass ratio of layer damping, optimizes damping effect.
Further, the intermediate mass block is cylinder, its upper surface is provided with groove, and the groove is provided centrally with
Centre bore, the centre bore is connected with the through hole；It is provided with the cylindrical intermediate mass block for installing described
The second installation screw for installing the two-level spring is provided with first installation screw of spring, the groove.
Beneficial effect using above-mentioned further scheme is：By setting groove on the intermediate mass block of cylinder, profit
Intermediate mass block is connected with two-level spring with the second installation screw on groove, the same of the weight of the intermediate mass block is being reduced
When, it can also reduce the size of the damper in the height direction；By the centrally disposed centre bore in groove, it can also reduce in this
Between mass weight, so as to reduce the overall weight of damper.
Further, the flat spring includes square body and three arc strips being arranged in the square body, three
A circumferential surface of the arc strip around the outside of the through hole is set and tangent with the outer peripheral face of the through hole；It is described square
The side of the remote through hole on body in the arc strip is additionally provided with arcuate socket.
Beneficial effect using above-mentioned further scheme is：, can be by adjusting the thickness of arc strip by setting arc strip
The rigidity of flat spring is adjusted with width.
Further, be provided with the arc strip for install the intermediate mass block and with the first installation screw phase
Corresponding multiple first connecting holes, multiple first connecting holes are set around the circumference that through hole week surveys.
Beneficial effect using above-mentioned further scheme is：By setting multiple first connecting holes on arc strip, utilize
Intermediate mass block is fixed on flat spring by screw by the first connecting hole and the first installation screw.
Further, the two-level spring is multiple, and multiple two-level springs are distributed on the downside of the square body
On.
Beneficial effect using above-mentioned further scheme is：By being uniformly arranged multiple two-level springs, damper can be improved
The stability of overall load-bearing.
Further, the through hole is one, and multiple two-level springs are connected by the through hole with intermediate mass block.
Beneficial effect using above-mentioned further scheme is：By setting a through hole, multiple two-level springs are passed through this
Through hole is connected with intermediate mass block, and the elastic deformation being easy to as two-level spring provides the space of abundance.
Further, be provided with the first end of the two-level spring on the first screw, the installing plate be provided with it is described
The second corresponding connecting hole of first screw；It is provided with and matches with second installation screw on second end of the two-level spring
The second stud closed.
Beneficial effect using above-mentioned further scheme is：Installing plate is fastened by the first screw on two-level spring
In on the two-level spring, intermediate mass block is tightly fixed on two-level spring by the stud on two-level spring so that middle
The connection of mass, two-level spring and installing plate is orderly and saves space, so as to reduce the chi of the damper in the height direction
It is very little.
Further, the material of the two-level spring is rubber or metal-rubber.
Brief description of the drawings
Fig. 1, the structure of the 2 Small electronic component double-layer dampers based on flat spring provided for the embodiment of the present invention one are shown
It is intended to；
Fig. 3 to Fig. 8 is the knot for the Small electronic component double-layer damper based on flat spring that the embodiment of the present invention two is provided
Structure schematic diagram.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, flat spring, 2, intermediate mass block, 3, two-level spring, 4, installing plate, 5, adjustment mass, 1-1, mounting hole, 1-
2nd, the first connecting hole, 1-3, arc strip, 1-4, arcuate socket, 1-5, through hole, 2-1, the first installation screw, 2-2, second install spiral shell
Hole, 3-1, stud, 3-2, the first screw, 4-1, the second connecting hole, 4-2, the 3rd connecting hole, 5-1, the 4th connecting hole.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.It should be noted that in the case where not conflicting, in embodiments herein and embodiment
Feature can be mutually combined.
Embodiment one
As shown in Figure 1, 2, the Small electronic component double-layer damper based on flat spring that the present embodiment is provided, it includes piece
Spring 1, intermediate mass block 2, at least one two-level spring 3 and the installing plate 4 that damper element is treated for installing, the installing plate position
In the top of the flat spring 1；The through hole for providing deformation space for the two-level spring 3 is provided with the flat spring 1,
One end of the two-level spring 3 is arranged on the lower surface of the installing plate 4；The intermediate mass block 2 is installed on described bullet
On the downside of spring 1；The other end of the two-level spring 3 passes through through hole 1-5 and the intermediate mass block on the flat spring 1
2 connections.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 is provided, it uses double-layer shock-absorbing principle to enter
Row design, realizes the effect of double-layer shock-absorbing, damping effect is much better than traditional individual layer shock mitigation system, changed in single damper
It has been apt to the vibration environment of the electronic components such as crystal oscillator；By using flat spring as main damper element, reduce in short transverse
Size, barycenter is low, can effectively reduce vibration coupling.
In one of embodiment in the present embodiment, the Small electronic component based on flat spring that it is provided is double-deck
Damper also includes at least one adjustment mass 5, and the adjustment mass 5 is installed on the lower surface of the intermediate mass block 2
On, adjustment mass 5 is multiple, and multiple adjustment masses 5 are installed on the lower surface of the intermediate mass block 2 successively.
By setting adjustment mass 5, the quantity of adjustment mass 5 can be changed as needed, so that change the mass ratio of double-layer shock-absorbing,
Optimize damping effect.
Embodiment two
As shown in Fig. 3 to 8, the Small electronic component double-layer damper based on flat spring that the present embodiment is provided, it includes
Flat spring 1, intermediate mass block 2, at least one two-level spring 3 and the installing plate 4 that damper element is treated for installing, the installing plate
Positioned at the top of the flat spring 1；It is provided with the flat spring 1 for providing the logical of deformation space for the two-level spring 3
Hole 1-5, one end of the two-level spring 3 is arranged on the lower surface of the installing plate 4；The intermediate mass block 2 is installed on institute
On the downside for stating flat spring 1；The other end of the two-level spring 3 passes through through hole 1-5 and the centre on the flat spring 1
Mass 2 couples.It also includes at least one adjustment mass 5, and the adjustment mass 5 is installed on the intermediate mass block 2
Lower surface on.
Adjustment mass 5 therein can be to be provided with disc structure, adjustment mass 5 for connecting with intermediate mass block 2
The multiple 4th connecting hole 5-1 connect, multiple 4th connecting hole 5-1 are distributed in the card of adjustment mass 5, so that convenient adjustment
The fixation of mass 5 and intermediate mass block 2.
Wherein, intermediate mass block 2 includes cylinder, and its upper surface is provided with groove, in being provided centrally with of the groove
Heart hole, the centre bore is connected with the through hole 1-5；It is provided with the cylindrical intermediate mass block 2 described for installing
The second installation screw for installing the two-level spring 3 is provided with first installation screw 2-1 of flat spring 1, the groove
2-2.Groove is set by the upper surface of the intermediate mass block 2 in cylinder, using the second installation screw 2-2 on groove by
Between mass 2 be connected with two-level spring 3, reduce the intermediate mass block 2 weight while, can also reduce the damper in height
The size spent on direction；By the centrally disposed centre bore in groove, the weight of the intermediate mass block 2 can be also reduced, so as to subtract
The overall weight of few damper.
Flat spring 1 therein includes square body and three arc strip 1-3 being arranged in the square body, three institutes
A circumferential surfaces of the arc strip 1-3 around the outside of the through hole 1-5 is stated to set, and it is tangent with the outer peripheral face of the through hole 1-5；
The side of the remote through hole 1-5 in the square body in the arc strip 1-3 is additionally provided with arcuate socket 1-4.By setting
Arc strip 1-3 is put, the rigidity of flat spring 1 can be adjusted by adjusting arc strip 1-3 thickness and width.The arc strip 1-3
On be provided with multiple first connecting holes corresponding with the first installation screw 2-1 for installing the intermediate mass block 2
1-2, multiple first connecting hole 1-2 are set around the through hole 1-5.Connected by setting multiple first on arc strip 1-3
Hole 1-2 is met, intermediate mass block 2 is fixed on by flat spring 1 by the first connecting hole 1-2 and the first installation screw 2-1 using screw
On.
For the stability of the overall load-bearing of lifting damper, multiple two-level springs 3, multiple two-level springs 3 also can be set
On the downside for being distributed on the square body；Through hole 1-5 therein is alternatively one, and multiple two-level springs 3 are by described
Through hole 1-5 is connected with the intermediate mass block 2.By setting a through hole 1-5, multiple two-level springs are passed through into through hole 1-5
It is connected with intermediate mass block, the elastic deformation being easy to as two-level spring 3 provides the space of abundance.
Be provided with the first end of two-level spring 3 therein on first screw 3-2, the installing plate 4 be provided with it is described
The second corresponding first screw 3-2 connecting hole 4-1；It is provided with and is installed with described second on second end of the two-level spring 3
The stud 3-1 that screw 2-2 is engaged.For ease of the installation of element to be damped, it can also be provided for installing on installing plate 4 and wait to subtract
Shake multiple 3rd connecting hole 4-2 of element, will treat that damper element is installed on installing plate 4 by multiple 3rd connecting hole 4-2.For
It is easy to damper being installed on the basis of vibration, multiple mounting hole 1-1 is also set in the square body of flat spring 1, it is the plurality of
Mounting hole 1-1 can be distributed on the two ends of the square body respectively, and the vibrator is stable in into vibration basis by mounting hole 1-1
On.
Damper according to the main frequency of vibration before use, first calculate the intrinsic frequency of the two-stage damping of damper；It is conservative
The main frequency of design requirement vibration is more than damper second-order intrinsic frequencyMore than times；Then it is appropriate as needed to increase
Subtract the quantity of adjustment mass 5, optimize damping transport, then each part spiral shell in shock absorber is connected as a single entity, then determine to be subtracted
The sensitive direction of element is shaken, by multiple 3rd connecting hole 4-2 on installing plate 4, installing plate 4 will be installed on by damper element
On；Damper is connected with vibration basis by multiple mounting hole 1-1 in the square body of flat spring 1.
The Small electronic component double-layer damper based on flat spring that the present embodiment is provided, it uses double-layer shock-absorbing principle to enter
Row design, realizes the effect of double-layer shock-absorbing, damping effect is much better than traditional individual layer shock mitigation system, changed in single damper
It has been apt to the vibration environment of the electronic components such as crystal oscillator；By using flat spring as main damper element, reduce in short transverse
Size, barycenter is low, can effectively reduce vibration coupling.
In the description of the invention, it is necessary to explanation, term " top ", " bottom ", " " interior ", the orientation of instruction such as " outer " or
Position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, without
It is that instruction or the signified device of hint or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In addition, term " first ", " second ", " the 3rd ", " the 4th " are only used for describing purpose, and
It is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.In addition, in the description of the invention, unless otherwise indicated, " multiple " are meant that two or two
More than.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of Small electronic component double-layer damper based on flat spring, it is characterised in that including flat spring (1), middle interstitial
Gauge block (2), at least one two-level spring (3) and the installing plate (4) that damper element is treated for installing, the installing plate is located at described
The top of flat spring (1)；
The through hole (1-5) for providing deformation space for the two-level spring (3), described two are provided with the flat spring (1)
One end of level spring (3) is arranged on the lower surface of the installing plate (4)；The intermediate mass block (2) is installed on described bullet
On the downside of spring (1)；The other end of the two-level spring (3) through the through hole (1-5) on the flat spring (1) with it is described in
Between mass (2) couple.
2. the Small electronic component double-layer damper according to claim 1 based on flat spring, it is characterised in that also include
At least one adjustment mass (5), the adjustment mass (5) is installed on the lower surface of the intermediate mass block (2).
3. the Small electronic component double-layer damper according to claim 2 based on flat spring, it is characterised in that the tune
Whole mass (5) is multiple, and multiple adjustment masses (5) are installed on the lower surface of the intermediate mass block (2) successively.
4. the Small electronic component double-layer damper according to claim 3 based on flat spring, it is characterised in that in described
Between mass (2) be cylinder, its upper surface is provided with groove, and the groove is provided centrally with centre bore, the centre bore
Connected with the through hole (1-5)；It is provided with the cylindrical intermediate mass block (2) for installing the flat spring (1)
The second installation screw (2-2) for installing the two-level spring (3) is provided with first installation screw (2-1), the groove.
5. the Small electronic component double-layer damper according to claim 4 based on flat spring, it is characterised in that described
Spring (1) includes square body and three arc strips (1-3) being arranged in the square body, three arc strip (1-
3) circumferential surface successively around the outside of the through hole (1-5) is set and tangent with the outer peripheral face of the through hole (1-5)；Institute
State in square body and to be additionally provided with arcuate socket (1-4) in the side of the remote through hole of the arc strip.
6. the Small electronic component double-layer damper according to claim 5 based on flat spring, it is characterised in that the arc
It is provided with shape bar (1-3) for installing the intermediate mass block (2) and corresponding with first installation screw (2-1) many
Individual first connecting hole (1-2), multiple first connecting holes (1-2) are set around the circumference of the through hole (1-5) the week side of boss.
7. the Small electronic component double-layer damper according to claim 5 based on flat spring, it is characterised in that described two
Level spring (3) is multiple, and multiple two-level springs (3) are distributed on the downside of the square body.
8. the Small electronic component double-layer damper according to claim 7 based on flat spring, it is characterised in that described logical
Hole (1-5) is one, and multiple two-level springs (3) are connected by the through hole (1-5) with the intermediate mass block (2).
9. the Small electronic component double-layer damper according to claim 4 based on flat spring, it is characterised in that described two
It is provided with the first screw (3-2), the installing plate (4) and is provided with and the first screw (3- in the first end of level spring (3)
2) corresponding the second connecting hole (4-1)；It is provided with second end of the two-level spring (3) and second installation screw
The stud (3-1) that (2-2) is engaged.
10. the Small electronic component double-layer damper based on flat spring according to claim 1 to 9 any of which, its
It is characterised by, the material of the two-level spring (3) is rubber or metal-rubber.
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| 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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| 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 true CN105927707B (en) | 2017-11-07 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107509331B (en) * | 2017-08-11 | 2023-07-04 | 中国电子科技集团公司第三十八研究所 | Low-phase-noise missile-borne vibration-resistant frequency source and vibration-damping pad |
| CN109630602B (en) * | 2019-01-18 | 2020-01-07 | 上海大学 | An Electromagnetic Quasi-Zero Stiffness Vibration Isolation System Based on Stewart Platform |
| GB2612183B (en) * | 2021-09-15 | 2024-06-19 | Bae Systems Plc | Resonator, resonator array, vibration control system and method |
| GB2610822B (en) * | 2021-09-15 | 2025-07-23 | Bae Systems Plc | Resonator, resonator array, vibration control system and method |
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| CN2403604Y (en) * | 2000-01-14 | 2000-11-01 | 上海同捷科技有限公司 | Vibration-damper valve |
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