CN204387200U - Multidirectional elastic damping vibration isolator - Google Patents
Multidirectional elastic damping vibration isolator Download PDFInfo
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- CN204387200U CN204387200U CN201420796798.0U CN201420796798U CN204387200U CN 204387200 U CN204387200 U CN 204387200U CN 201420796798 U CN201420796798 U CN 201420796798U CN 204387200 U CN204387200 U CN 204387200U
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- vibration isolation
- isolation unit
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Abstract
The multidirectional elastic damping vibration isolator of the one that the utility model proposes, comprise all around around the boss support that hollow out edge plane is protruded, be placed in the vibration damping connecting box of described boss support hollow out framework and connect firmly the elastic vibration isolation unit on described boss support (1), wherein, elastic vibration isolation unit is by being arranged in damping cylinder (3), axially connect the damping slide block (8) of volute spring (4) and axially formed by the bolt of damping collet chuck plate, described bolt is by volute spring open top, spring collar (6) and described clamping plate connect firmly on the side plane of vibration damping connecting box (10), described elastic vibration isolation unit in the circumferential, connects firmly on the side plane of vibration damping connecting box around boss support boss side plane, forms one and points to vibration damping connecting box by the multidirectional elastic damping vibrating isolation system in vibration isolation space.The utility model well solves the problem of the independent components and parts of electronic equipment internal any one direction vibration isolation in space.There is stable integral vibration isolation performance and very high functional reliability.
Description
Technical field
The utility model relates to a kind of vibration isolator being mainly used in carrying out the independent components and parts of electronic equipment internal local isolation extraneous vibration, especially a kind of multidirectional elastic damping vibration isolator.
Background technique
In prior art, the vibration isolator that locally vibration isolation adopts is carried out to the independent components and parts of electronic equipment internal and be mainly rubber vibration isolator or steel-wire isolator.Rubber vibration isolator is the vibration isolator made with rubber.The great advantage of rubber vibration isolator has enough internal dampings, though be applicable to the little and of short duration very large situation of dynamic displacement of static displacement, and can make various shape, to adapt to the requirement in space.Rubber vibration isolator is when the components and parts very little to weight carry out vibration isolation, and owing to being subject to the restriction of material behavior, the natural frequency of itself is higher, and integral vibration damping effect is undesirable, does not often reach damping requirements, and can be aging, produces creep.Steel-wire isolator is a kind of typical nonlinear isolation device, and its dynamic stiffness can only reflect performance during low frequency, and there is very large wave phenomenon at high frequency treatment impedance curve, this is that the high frequency standing wave phenomena produced by metallic material in steel-wire isolator causes.Steel-wire isolator forms with the coiling of a stainless steel wire rope, and wirerope diameter number of share of stock, length, the number of turns, canoe and tightness are depended in its rigidity and damping, and damping characteristic is out of shape relevant with vibration isolator.When vibration isolator amplitude is enough large, silk is restricted between each stock and dry friction is occurred, and now dry-friction damping is large.Shown by the analysis of steel-wire isolator mechanical impedance, because itself damping of steel-wire isolator is less, the resonance transmissibility of whole system is comparatively large, can not realize carrying out desirable vibration isolation to components and parts.Above-mentioned prior art vibration isolator often can only comparatively ideal solution vibration insolation means one-dimensional square to vibration damping, and can not the desirable problem solving any one the direction vibration isolation in space of the independent components and parts of electronic equipment internal.
Model utility content
The purpose of this utility model is the deficiency existed for above-mentioned prior art, a kind of overall structure compact dimensions is provided, lower natural frequency can be realized, all can have again the multidirectional elastic damping vibration isolator of rational damping characteristic in a plurality of directions, to solve the problem of the independent components and parts of electronic equipment internal any one direction vibration isolation in space.
For achieving the above object, the utility model adopts following technological scheme: a kind of multidirectional elastic damping vibration isolator, comprise all around around the boss support that hollow out edge plane is protruded, be placed in the vibration damping connecting box of described boss support hollow out framework and connect firmly the elastic vibration isolation unit on described boss support 1, it is characterized in that: elastic vibration isolation unit is by being arranged in damping cylinder 3, axially connect the damping slide block 8 of volute spring 4 and axially formed by the bolt of damping collet chuck plate, described bolt is by volute spring 4 open top, spring collar 6 and described clamping plate connect firmly on the side plane of vibration damping connecting box 10, described elastic vibration isolation unit in the circumferential, connects firmly on the side plane of vibration damping connecting box around boss support 1 boss side plane, forms one and points to vibration damping connecting box by the multidirectional elastic damping vibrating isolation system in vibration isolation space.
The utility model has following beneficial effect compared to prior art.
Overall structure compact dimensions.The utility model adopt all around protrude around hollow out edge plane boss support, utilize and be placed in the vibration damping connecting box of boss support hollow out framework, connect four elastic vibration isolation unit on boss support 1, form the framework of integral vibration isolation system, reduce the overall structure size of vibration isolator, make vibration isolator structure size design compacter, reasonable.
There is stable integral vibration isolation performance.The utility model elastic vibration isolation unit in the circumferential, connects firmly on the side plane of vibration damping connecting box around boss support 1 boss side plane, forms one and points to vibration damping connecting box by the multidirectional elastic damping vibrating isolation system in vibration isolation space.To be fixed on vibration damping connecting box by vibration isolation components and parts, ensure that whole system has stable integral vibration isolation performance in omnirange.
There is very high functional reliability.The utility model primary clustering is Structural Hardware, and vibration isolator entirety is all-metal material, and overcoming prior art rubber vibration isolator can be aging, produces the defect of creep, can adapt to the working environment that various complexity is harsh, therefore have very high reliability.
Lower natural frequency can be realized, all can have again the multidirectional elastic damping vibration isolator of rational damping characteristic in a plurality of directions, the utility model is by being arranged in damping cylinder 3, the damping slide block 8 axially connecting volute spring 4 and the bolt composition elastic vibration isolation unit axially passing through damping collet chuck plate, there is enough internal dampings, by the parameter of selected elastic element, lower system frequency can be ensured; The damping slide block be arranged in damping cylinder constitutes frictional damping element, can provide reliable and stable, the system damping characteristic of size reasonable.
The utility model adopts degrees of freedom direction, 6, space all to point to vibration damping connecting box by the multidirectional elastic damping vibrating isolation system in vibration isolation space, make the damped elasticity vibrating isolation system that degrees of freedom direction, 6, space is formed jointly, all there is good damping property, the isolating technique to components and parts can be realized in any direction, the requirement of the independent components and parts of electronic equipment internal to high-performance local vibration isolation can be met.Thus well solve the problem of the independent components and parts of electronic equipment internal any one direction vibration isolation in space.And the performance overcome when steel-wire isolator dynamic stiffness can only reflect low frequency, and high frequency can not be applied to, at high frequency treatment, there is the defect of very large wave phenomenon in impedance curve.
Accompanying drawing explanation
Fig. 1 is the plan view that the multidirectional elastic damping vibration isolator of the utility model comprises broken section.
Fig. 2 is the side view of Fig. 1.
In figure: 1 boss support, 2 tubular-shank rivets, 3 damping cylinders, 4 volute springs, 5 bolts, 6 spring collars, 7 external splints, 8 damping slide blocks, 9 inner splints, 10 vibration damping connecting boxes, 11 nuts.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described.
Consult Fig. 1 Fig. 2.In embodiment described below, multidirectional elastic damping vibration isolator comprises: all around around boss support, the vibration damping connecting box being placed in described boss support hollow out framework and the elastic vibration isolation unit connected firmly on described boss support 1 that hollow out edge plane is protruded, wherein: elastic vibration isolation unit, by being arranged in damping cylinder 3, axially connects the damping slide block 8 of volute spring 4 and axially consists of the bolt of damping collet chuck plate.Bolt 5 connects firmly on the side plane of vibration damping connecting box 10 by volute spring 4 open top, spring collar 6 and described clamping plate; Described elastic vibration isolation unit in the circumferential, connects firmly on the side plane of vibration damping connecting box around boss support 1 boss side plane, forms one and points to vibration damping connecting box by the multidirectional elastic damping vibrating isolation system in vibration isolation space.
The volute spring 4 of elastic vibration isolation unit is equal helix angle conical helical compression spring, is positioned over bottom vibration isolation unit damping cylinder.Bolt 5 acts on volute spring 4 top by external splint 7, produces decrement in advance, provides the elastic characteristic of linear stable in vibration processes, and obtains lower system frequency.Spring collar 6 is placed between damping slide block 8 two ends external splint 7 and inner splint 9, and apply elastic pressure on damping slide block 8, damping slide block 8 produces damping by damping bore wall friction, obtains lower system resonance reduction factor.The damping unit of elastic vibration isolation unit is by the spring collar 6 be coaxially assemblied in damping cylinder 3 housing, external splint 7, damping slide block 8, inner splint 9 forms the elastic vibration isolation unit that has damping characteristic jointly, each vibration isolator adopts four elastic vibration isolation unit to form one around by the elastic vibration isolation unit group of vibration isolation components and parts, realizes the isolating technique to components and parts in any direction.
Four elastic vibration isolation unit symmetries are connected on a boss support.The top of each elastic vibration isolation unit is connected to a vibration damping connecting box by bolt 5 simultaneously, is fixed on vibration damping connecting box by vibration isolation components and parts, is placed between multiple elastic vibration isolation unit, ensures that whole system has stable integral vibration isolation performance in omnirange.Multiple elastic vibration isolation unit is all riveted on boss support 1 by tubular-shank rivet 2.Bolt 5 one end is processed with screw thread, and the other end is processed with the hole of turning over riveting.Bolt 5 is installed inner splint 9, spring collar 6, damping slide block 8, external splint 7 successively, then implement to turn over riveting at bolt 5 tail end, more incidentally volute spring 4 loads damping cylinder 3 together.Vibration damping connecting box 10 is connected to the threaded one end of bolt 5 by nut 11, and ensures that each volute spring 4 has certain decrement by design parameter, the multidirectional full-metallic Minisize integral vibration isolator that final formation is complete.
Treat that the independent entry device of vibration isolation is connected on vibration damping connecting box 10, when being moved along x or the y direction shown in accompanying drawing 1 relative to vibration isolator by the subsidiary vibration damping connecting box 10 of vibration isolation components and parts, external splint 7 along moving direction side elastic vibration isolation unit compresses volute spring 4, volute spring 4 movements along with external splint 7 of opposite side vibration isolation unit and recovering, the common elastic damping unit that formed; Meanwhile, damping slide block 8 moves along with inner splint 9 and external splint 7, with wall friction in damping cylinder 3 under the resilient force of spring collar 6, produces damping, and formation one has damped elasticity vibrating isolation system like this, realizes the isolating technique to components and parts.
When being moved along the z direction shown in accompanying drawing 2 relative to vibration isolator by the subsidiary vibration damping connecting box 10 of vibration isolation components and parts, bolt 5 on four elastic vibration isolation unit also will along with moving in the z-direction together, make volute spring 4 produce lateral deformation, produce elastic restoring force, form Flexible element; Inner splint 9 and external splint 7 produce relative movement with damping slide block 8, and under the effect of volute spring 4 precompressed elastic power, produce frictional damping, forming one has damped elasticity vibrating isolation system, realizes the isolating technique to components and parts.
Claims (10)
1. a multidirectional elastic damping vibration isolator, comprise all around around the boss support that hollow out edge plane is protruded, be placed in the vibration damping connecting box of described boss support hollow out framework and connect firmly the elastic vibration isolation unit on described boss support (1), it is characterized in that: elastic vibration isolation unit is by being arranged in damping cylinder (3), axially connect the damping slide block (8) of volute spring (4) and axially formed by the bolt of damping collet chuck plate, described bolt is by volute spring (4) open top, spring collar (6) and described clamping plate connect firmly on the side plane of vibration damping connecting box (10), described elastic vibration isolation unit in the circumferential, connects firmly on the side plane of vibration damping connecting box around boss support (1) boss side plane, forms one and points to vibration damping connecting box by the multidirectional elastic damping vibrating isolation system in vibration isolation space.
2. multidirectional elastic damping vibration isolator as claimed in claim 1, is characterized in that: the volute spring (4) of elastic vibration isolation unit is equal helix angle conical helical compression spring, is positioned over bottom vibration isolation unit damping cylinder.
3. multidirectional elastic damping vibration isolator as claimed in claim 1, it is characterized in that: bolt (5) acts on volute spring (4) top by external splint (7), produce decrement in advance, the elastic characteristic of linear stable is provided in vibration processes, and obtains lower system frequency.
4. multidirectional elastic damping vibration isolator as claimed in claim 1, it is characterized in that: spring collar (6) is placed between damping slide block (8) two ends external splint (7) and inner splint (9), apply elastic pressure on damping slide block (8), damping slide block (8) produces damping by damping bore wall friction, obtains lower system resonance reduction factor.
5. multidirectional elastic damping vibration isolator as claimed in claim 1, is characterized in that: each vibration isolator adopts four elastic vibration isolation unit to form one around by the elastic vibration isolation unit group of vibration isolation components and parts, realizes the isolating technique to components and parts in any direction.
6. multidirectional elastic damping vibration isolator as claimed in claim 5, it is characterized in that: four elastic vibration isolation unit are all riveted on boss support (1) by tubular-shank rivet (2), are placed between multiple elastic vibration isolation unit by vibration damping connecting box by vibration isolation components and parts.
7. multidirectional elastic damping vibration isolator as claimed in claim 1, it is characterized in that: the top of each elastic vibration isolation unit is connected to a vibration damping connecting box by bolt (5) simultaneously, be fixed on vibration damping connecting box by vibration isolation components and parts, be placed between multiple elastic vibration isolation unit.
8. multidirectional elastic damping vibration isolator as claimed in claim 1, it is characterized in that: when being moved along x or y direction by vibration isolation components and parts, along the external splint (7) compression volute spring (4) of moving direction side elastic vibration isolation unit, the volute spring (4) of opposite side vibration isolation unit then recovers along with the movement of external splint (7); Meanwhile, damping slide block (8) is along with inner splint (9) and external splint (7) motion, damping is produced, to the isolating technique of components and parts with wall friction in damping cylinder (3) under the resilient force of spring collar (6).
9. multidirectional elastic damping vibration isolator as claimed in claim 1, it is characterized in that: when being moved in the z-direction relative to vibration isolator by vibration isolation components and parts, bolt (5) on four elastic vibration isolation unit also will along with moving in the z-direction together, make volute spring (4) produce lateral deformation, produce elastic restoring force; Inner splint (9) and external splint (7) produce relative movement with damping slide block (8), under the effect of volute spring (4) precompressed elastic power, produce frictional damping, to the isolating technique of components and parts.
10. multidirectional elastic damping vibration isolator as claimed in claim 1, it is characterized in that: the damping unit of elastic vibration isolation unit is by the spring collar (6) be coaxially assemblied in damping cylinder (3) housing, external splint (7), damping slide block (8), inner splint (9) forms the elastic vibration isolation unit that has damping characteristic jointly, each vibration isolator adopts four elastic vibration isolation unit to form one around by the elastic vibration isolation unit group of vibration isolation components and parts, realizes the isolating technique to components and parts in any direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796798.0U CN204387200U (en) | 2014-12-16 | 2014-12-16 | Multidirectional elastic damping vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796798.0U CN204387200U (en) | 2014-12-16 | 2014-12-16 | Multidirectional elastic damping vibration isolator |
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| Publication Number | Publication Date |
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| CN204387200U true CN204387200U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420796798.0U Expired - Fee Related CN204387200U (en) | 2014-12-16 | 2014-12-16 | Multidirectional elastic damping vibration isolator |
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| CN (1) | CN204387200U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455195A (en) * | 2014-12-16 | 2015-03-25 | 中国电子科技集团公司第十研究所 | All-metal multidirectional vibration isolator |
| CN109683639A (en) * | 2018-12-06 | 2019-04-26 | 中国电子工程设计院有限公司 | A kind of control method and device of active vibration isolation |
| CN110785234A (en) * | 2018-04-24 | 2020-02-11 | 株式会社日立产机系统 | Biological safety cabinet and vibration isolation mechanism of fan filter unit |
| CN111252272A (en) * | 2020-02-26 | 2020-06-09 | 航天科工防御技术研究试验中心 | Vacuum vibration-proof cabin |
-
2014
- 2014-12-16 CN CN201420796798.0U patent/CN204387200U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455195A (en) * | 2014-12-16 | 2015-03-25 | 中国电子科技集团公司第十研究所 | All-metal multidirectional vibration isolator |
| CN104455195B (en) * | 2014-12-16 | 2016-06-15 | 中国电子科技集团公司第十研究所 | The multidirectional vibration isolator of all-metal |
| CN110785234A (en) * | 2018-04-24 | 2020-02-11 | 株式会社日立产机系统 | Biological safety cabinet and vibration isolation mechanism of fan filter unit |
| CN109683639A (en) * | 2018-12-06 | 2019-04-26 | 中国电子工程设计院有限公司 | A kind of control method and device of active vibration isolation |
| CN111252272A (en) * | 2020-02-26 | 2020-06-09 | 航天科工防御技术研究试验中心 | Vacuum vibration-proof cabin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20181216 |