CN108105305A - A kind of vibration isolator - Google Patents
A kind of vibration isolator Download PDFInfo
- Publication number
- CN108105305A CN108105305A CN201711333000.3A CN201711333000A CN108105305A CN 108105305 A CN108105305 A CN 108105305A CN 201711333000 A CN201711333000 A CN 201711333000A CN 108105305 A CN108105305 A CN 108105305A
- Authority
- CN
- China
- Prior art keywords
- mandrel
- vibration
- vibration isolator
- gauze pad
- wire gauze
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
Abstract
The invention discloses a kind of vibration isolators.The vibration isolator includes pedestal, cap, mandrel, cylindrical spring, the first wire gauze pad, the second wire gauze pad；Wherein, the cap is closed with the base cover, so as to form a cavity；Mandrel is arranged in the cavity, and the cavity is separated into the first chamber and the second chamber by the mandrel；The first woven wire cushion cover is located on the mandrel and is arranged on first intracavitary；Second woven wire cushion cover is located on the mandrel and is provided in the second intracavitary；Cylindrical spring is set on the second wire gauze pad and is arranged on the first intracavitary；Cylindrical spring one end is against cap, and the other end is against pedestal；One end of the separate pedestal of mandrel is used to be connected with by device for vibration insutation.The vibration isolator of the application cylindrical spring, the first wire gauze pad, the second wire gauze pad combination by way of form elastic buffer vibration insulation structure, so as to meet needs bearing capacity, additionally it is possible to realize the purpose of low frequency vibration damping.
Description
Technical field
The present invention relates to vibration isolation technique field, more particularly to a kind of vibration isolator.
Background technology
As the speed of service of the vehicles such as aircraft, vehicle improves and so that the magnitude of its knot vibration is increasing, be
Cabin, the riding comfort of vehicle environment and the control accuracy for the precision instrument and equipment being installed on aircraft vehicle are improved,
It needs to carry out vibration isolation installation to airborne equipment, floor compartment and precision instrument etc..
Since the bearing capacity that structure limits existing wire mesh vibration isolator only has tens kilograms, and its intrinsic frequency is more than
10Hz, it is impossible to meet some low frequency (5Hz) environment, the installation application requirement of big load (tonne load) equipment.In order to meet one
The use installation question of a little low frequency environments, big load equipment, therefore urgently design a kind of new construction vibration isolator and set suitable for such
Standby vibration isolation installing area.
Thus, it is desirable to have a kind of technical solution is come at least one drawbacks described above for overcoming or at least mitigating the prior art.
The content of the invention
It is an object of the invention to provide a kind of vibration isolators to overcome or at least mitigate at least one above-mentioned of the prior art
Defect.
To achieve the above object, the present invention provide a kind of vibration isolator include pedestal, cap, mandrel, cylindrical spring,
First wire gauze pad, the second wire gauze pad；Wherein, the cap is closed with the base cover, so as to form a cavity；
The mandrel is arranged in the cavity, and the cavity is separated into the first chamber and the second chamber by the mandrel；First gold medal
Belong to mesh pad to be set on the mandrel and be arranged on first intracavitary；The second woven wire cushion cover is located at the mandrel
It goes up and is provided in second intracavitary；The cylindrical spring is set on the second wire gauze pad and is arranged on described
One intracavitary；Described cylindrical spring one end is against the cap, and the other end is against the pedestal；The separate bottom of the mandrel
One end of seat is used to be connected with by device for vibration insutation.
Preferably, the mandrel includes the boss being connected with each other and shaft body, and one end of the shaft body is used for and institute
It states and is connected by device for vibration insutation, the boss is provided on the other end.
Preferably, the mandrel be used for and the riveting of described one end be connected by device for vibration insutation and the cap.
Preferably, the cylindrical spring is multiple, each mutual tandem array of cylindrical spring.
Preferably, the middle of the base is provided with second boss, the second boss by pedestal be divided into the first branch and
Second portion；
Boss on the mandrel is separated by setting with the second boss, so as to form second chamber.
Preferably, it is provided with pressure sensor in the first wire gauze pad.
Preferably, it is provided with pressure sensor in the second wire gauze pad.
Preferably, the mandrel for being provided with V-groove on one end for being connected with the cap；
The cap for being provided with V-groove on the part that is connected with mandrel.
Preferably, ring flange is provided on the pedestal, the ring flange is used to be connected with basis.
The vibration isolator of the application cylindrical spring, the first wire gauze pad, the second wire gauze pad combination by way of
Elastic buffer vibration insulation structure is formed, so as to the bearing capacity for meeting needs, additionally it is possible to realize the purpose of low frequency vibration damping, solve
It can not meet low frequency environments, the needs of problems of big load equipment in the prior art.
Description of the drawings
Fig. 1 is the structure diagram of the vibration isolator of the application first embodiment.
Fig. 2 is the schematic cross-section of vibration isolator shown in FIG. 1.
Reference numeral：
Specific embodiment
To make the purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, the technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or there is same or like element.Described embodiment is the present invention
Part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without creative efforts, belong to the scope of protection of the invention.Under
Face is described in detail the embodiment of the present invention with reference to attached drawing.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown is for only for ease of the description present invention and simplifies description rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the present invention is protected
The limitation of scope.
Fig. 1 is the structure diagram of the circular ring metal rubber shock absorber of the application first embodiment.Fig. 2 is shown in Fig. 1
Circular ring metal rubber shock absorber schematic cross-section.
Circular ring metal rubber shock absorber as shown in Figure 1 includes metallic inner 1, metal outer shroud 2, curved metal rubber and subtracts
Shake item 3 and sunk screw 4；One in metallic inner 1 or metal outer shroud 2 is used to install by device for vibration insutation；Metallic inner 1 with
Metal outer shroud 2 surrounds, so as to form a cavity；Curved metal rubber damping item 3 is provided in cavity；Curved metal rubber subtracts
The item 3 that shakes is fastened in a manner of preload between metallic inner 1 and metal outer shroud 2；It is provided on metallic inner 1 or metal outer shroud 2
Threaded hole, threaded hole are used to set sunk screw 4；Sunk screw 4 is used to prevent that curved metal rubber damping item 3 is sliding in cavity
It is dynamic.It is understood that can be the internal diameter connection device for vibration insutation of metallic inner 1, the outer diameter connection of metal outer shroud 2 be basic,
Can be the internal diameter connection device for vibration insutation of metal outer shroud 2, the internal diameter connection of metallic inner 1 is basic.
The circular ring metal rubber shock absorber of the application is simple in structure, and number of parts is few, easy to use.Circular ring metal rubber
Glue vibration isolator passes through close fit, and sectional dimension is smaller, easy for installation.The radial dimension of annulus can as the case may be into
Row design can be suitble to the needs of a variety of cylindrical equipment vibration damping installations.Metal-rubber shock absorption bar has good damping behavior,
Bearing capacity is strong, good damping result, and service life is long.The intrinsic frequency of circular ring metal rubber shock absorber can be by adjusting gold
Belong to the density of rubber damping item to be adjusted, disclosure satisfy that the requirement of harsh environment.
Referring to Fig. 1 to Fig. 2, in the present embodiment, the section of metallic inner is U-shaped；Metal outer shroud is divided into two sections, and one section sets
U-type groove 5 is equipped with, another section is arranged to L-type；Sunk screw is arranged in the L-type section.Specifically, it is designed on metallic inner 1
Outwardly open U-type groove 5.The inwardly open U-type grooves 6 of 60 ο are designed on metallic inner 2, remaining 300 ο is open L-type.
Referring to Fig. 2, in the present embodiment, the U-type groove tool of metal outer shroud there are two it is opposite while and during connection two
Bending section.In the present embodiment, metal outer shroud is a sealing ring, which is in 360 degree, at this point, wherein 60 degree of length (arc
It is long) on be provided with U-type groove, and other 300 degree are L-type slot.
Referring to Fig. 2, in the present embodiment, the quantity of sunk screw is multiple, and each sunk screw is separated by setting.
It is understood that the quantity of curved metal rubber damping item is multiple.By the difference of quantity, it can control and subtract
Effect of shaking and density.
In the present embodiment, the quantity of curved metal rubber damping item is 4.
In the present embodiment, the pretightning force that curved metal rubber damping item is fastened between metallic inner and metal outer shroud is
0.5 millimeter.The sectional dimension of this structure is smaller, therefore required installation space is smaller, suitable for compact cylindrical device every
It shakes installation.It is understood that the control of assembly pretightening power is in 0.5mm or so.The axial direction of metallic inner 1 and metal outer shroud 2
Leave the radial clearance of 2mm or so in the edge of end face.
Referring to Fig. 2, in the present embodiment, for metal outer shroud 1 with leaving cavity therebetween after the concentric placement of metallic inner 2, this is empty
Uniformly filled with four curved metal rubber damping items 3, what metal-rubber shock absorption bar 3 can be effectively isolated that basis transmits shakes intracavitary
Dynamic and impact.
In the present embodiment, the cross section of curved metal rubber damping item 3 is quadrangle, and radian is 89 ο, is divided into four sections.
Shock absorption bar coiling is uniform, and Mass Distribution is uniform, is suppressed using particular manufacturing craft.
In the present embodiment, metal-rubber shock absorption bar 3 is stuck in the U type grooves of metallic inner, metal outer shroud during assembling,
The L-type section of metal outer shroud 2 limits sliding axially for metal-rubber shock absorption bar 3 with sunk screw 4.Outside metallic inner 1 and metal
Leave the radial clearance of 2mm or so in the edge of the axial end face of ring 2.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Pipe is with reference to the foregoing embodiments described in detail the present invention, it will be understood by those of ordinary skill in the art that：It is still
It can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is equally replaced
It changes；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from the essence of various embodiments of the present invention technical solution
God and scope.
Claims (9)
1. a kind of vibration isolator, which is characterized in that the vibration isolator includes pedestal (1), cap (2), mandrel (3), cylindrical spring
(4), the first wire gauze pad (5), the second wire gauze pad (6)；Wherein,
The cap (2) is closed with the pedestal (1) lid, so as to form a cavity；
The mandrel (3) is arranged in the cavity, and the cavity is separated into the first chamber (71) and second by the mandrel (3)
Chamber (72)；
The first wire gauze pad (5) is set on the mandrel (3) and is arranged in first chamber (71)；
The second wire gauze pad (6) is set on the mandrel (3) and is provided in second chamber (72)；
The cylindrical spring (4) is set on the second wire gauze pad (5) and is arranged in first chamber (71)；
Described cylindrical spring (4) one end is against the cap (2), and the other end is against the pedestal (1)；
One end away from the pedestal (1) of the mandrel (3) is used to be connected with by device for vibration insutation.
2. vibration isolator as described in claim 1, which is characterized in that the mandrel (3) include be connected with each other boss (31) with
And shaft body (32), one end of the shaft body (32) are provided with described for being connected with described by device for vibration insutation on the other end
Boss (31).
3. vibration isolator as claimed in claim 2, which is characterized in that the mandrel (3) is used to by device for vibration insutation be connected with described
The one end connect is riveted with the cap (2).
4. vibration isolator as described in claim 1, which is characterized in that the cylindrical spring is multiple, and each cylindrical spring is mutual
Tandem array.
5. vibration isolator as described in claim 1, which is characterized in that be provided with second boss (11), institute in the middle part of the pedestal (1)
It states second boss (11) and pedestal is divided into first portion and second portion；
Boss (31) on the mandrel (3) is separated by setting with the second boss (11), so as to form second chamber (72).
6. vibration isolator as described in claim 1, which is characterized in that be provided with pressure sensing in the first wire gauze pad
Device.
7. vibration isolator as described in claim 1, which is characterized in that be provided with pressure sensing in the second wire gauze pad
Device.
8. vibration isolator as described in claim 1, which is characterized in that the mandrel (3) is used to be connected with the cap (2)
One end on be provided with V-groove；
The cap (2) for being provided with V-groove on the part that is connected with mandrel (3).
9. vibration isolator as described in claim 1, which is characterized in that be provided with ring flange (12), the method on the pedestal (1)
Blue disk (12) is used to be connected with basis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711333000.3A CN108105305B (en) | 2017-12-13 | 2017-12-13 | A kind of vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711333000.3A CN108105305B (en) | 2017-12-13 | 2017-12-13 | A kind of vibration isolator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108105305A true CN108105305A (en) | 2018-06-01 |
| CN108105305B CN108105305B (en) | 2019-11-29 |
Family
ID=62216876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711333000.3A Active CN108105305B (en) | 2017-12-13 | 2017-12-13 | A kind of vibration isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108105305B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692609A (en) * | 2018-07-27 | 2018-10-23 | 山西尼尔耐特机电技术有限公司 | A kind of compound vibration-damper of built-in metal silk screen |
| CN109281971A (en) * | 2018-10-24 | 2019-01-29 | 华中科技大学 | A kind of high-performance vibration reduction device |
| CN111365398A (en) * | 2020-03-16 | 2020-07-03 | 中国飞机强度研究所 | Vibration isolator |
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|---|---|---|---|---|
| CN201739411U (en) * | 2009-12-23 | 2011-02-09 | 中国飞机强度研究所 | Bidirectional independent rigidity wire mesh vibration isolator |
| CN202176651U (en) * | 2011-08-18 | 2012-03-28 | 中国飞机强度研究所 | Laterally hanging type vibration isolator |
| CN202991983U (en) * | 2012-12-10 | 2013-06-12 | 中国飞机强度研究所 | Side-mounted metal mesh vibration isolator |
| CN202991989U (en) * | 2012-12-10 | 2013-06-12 | 中国飞机强度研究所 | Integral installation type metal mesh vibration isolator |
| CN203702979U (en) * | 2013-12-04 | 2014-07-09 | 中国飞机强度研究所 | Wire mesh vibration isolator with independent damping |
| CN104696410A (en) * | 2013-12-06 | 2015-06-10 | 中国飞机强度研究所 | Adjustable vibration isolator |
| CN204533325U (en) * | 2015-03-31 | 2015-08-05 | 中国飞机强度研究所 | A kind of wire mesh vibration isolator |
| CN204784421U (en) * | 2015-07-10 | 2015-11-18 | 郝大伟 | Electromagnetism damping spring |
| CN205173354U (en) * | 2015-11-10 | 2016-04-20 | 中国飞机强度研究所 | Composite damping isolator |
| CN205173328U (en) * | 2015-11-10 | 2016-04-20 | 中国飞机强度研究所 | Compound isolator of closed spring metal rubber |
| CN106678239A (en) * | 2015-11-10 | 2017-05-17 | 中国飞机强度研究所 | Composite structure vibration isolator with rubber and wire mesh combined |
-
2017
- 2017-12-13 CN CN201711333000.3A patent/CN108105305B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201739411U (en) * | 2009-12-23 | 2011-02-09 | 中国飞机强度研究所 | Bidirectional independent rigidity wire mesh vibration isolator |
| CN202176651U (en) * | 2011-08-18 | 2012-03-28 | 中国飞机强度研究所 | Laterally hanging type vibration isolator |
| CN202991983U (en) * | 2012-12-10 | 2013-06-12 | 中国飞机强度研究所 | Side-mounted metal mesh vibration isolator |
| CN202991989U (en) * | 2012-12-10 | 2013-06-12 | 中国飞机强度研究所 | Integral installation type metal mesh vibration isolator |
| CN203702979U (en) * | 2013-12-04 | 2014-07-09 | 中国飞机强度研究所 | Wire mesh vibration isolator with independent damping |
| CN104696410A (en) * | 2013-12-06 | 2015-06-10 | 中国飞机强度研究所 | Adjustable vibration isolator |
| CN204533325U (en) * | 2015-03-31 | 2015-08-05 | 中国飞机强度研究所 | A kind of wire mesh vibration isolator |
| CN204784421U (en) * | 2015-07-10 | 2015-11-18 | 郝大伟 | Electromagnetism damping spring |
| CN205173354U (en) * | 2015-11-10 | 2016-04-20 | 中国飞机强度研究所 | Composite damping isolator |
| CN205173328U (en) * | 2015-11-10 | 2016-04-20 | 中国飞机强度研究所 | Compound isolator of closed spring metal rubber |
| CN106678239A (en) * | 2015-11-10 | 2017-05-17 | 中国飞机强度研究所 | Composite structure vibration isolator with rubber and wire mesh combined |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692609A (en) * | 2018-07-27 | 2018-10-23 | 山西尼尔耐特机电技术有限公司 | A kind of compound vibration-damper of built-in metal silk screen |
| CN109281971A (en) * | 2018-10-24 | 2019-01-29 | 华中科技大学 | A kind of high-performance vibration reduction device |
| CN109281971B (en) * | 2018-10-24 | 2019-12-06 | 华中科技大学 | high-performance shock absorber |
| CN111365398A (en) * | 2020-03-16 | 2020-07-03 | 中国飞机强度研究所 | Vibration isolator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108105305B (en) | 2019-11-29 |
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