CN207093644U - A kind of air bag vibration isolator - Google Patents
A kind of air bag vibration isolator Download PDFInfo
- Publication number
- CN207093644U CN207093644U CN201720741598.9U CN201720741598U CN207093644U CN 207093644 U CN207093644 U CN 207093644U CN 201720741598 U CN201720741598 U CN 201720741598U CN 207093644 U CN207093644 U CN 207093644U
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- rubber
- vibration isolator
- air bag
- cord shell
- supporting construction
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Abstract
The utility model discloses a kind of air bag vibration isolator, including upper plate (1), lower shoe (2), rubber cord shell (3), air chamber (4) and rubber-metal supporting construction (6), the upper plate (1), lower shoe (2) is fixed on rubber cord shell (3), the rubber-metal supporting construction (6) is placed in the rubber cord shell (3), the air chamber (4) is made up of the gap between rubber cord shell (3) and rubber-metal supporting construction (6), the rubber-metal supporting construction (6) is respectively provided with some symmetrical strong points up and down, the left and right sides is similarly provided with the symmetrical strong point, each strong point front end is close to the inner surface of the rubber cord shell (3).Vibration isolator of the present utility model, there is good anti-vibration performance, stability and security, and do not need limiter, save installing space, the damping that can solve the problems, such as narrow space device.
Description
Technical field
The utility model belongs to damping noise reduction technical field, more particularly, to a kind of air bag vibration isolator.
Background technology
Plant equipment can produce vibration and noise, vibrated conference cause the damage of equipment, can also lead when working operating
Cause vibration to be transmitted toward basis, and then influence surrounding environment quality.Vibration control is an important branch in vibration engineering field.
Wherein passive vibration isolation is simple as traditional vibration isolation means, device, it is not necessary to outside resources, effectiveness in vibration suppression under many occasions with
Anti-vibration performance is preferable, has obtained extensive use.
Patent CN106567901 discloses a kind of pincushion low frequency air bag vibration isolator, and pincushion low frequency air bag vibration isolator includes gas
Capsule, upper cover plate, upper clasp, lower cover, supporting plate one, supporting plate two, supporting plate one, supporting plate two are respectively positioned in air bag, support
Plate one and supporting plate two are installed on lower clasp, and air bag includes be connected in turn from the inside to the outside three layers, inner glue layer, in
Between casing ply, outer glue-line.Supporting plate one and supporting plate two are fixedly mounted on lower clasp, and limited block is fixed on upper cover plate and upper buckled
On ring.Pincushion low frequency air bag vibration isolator structure is compact, size is small, light weight for this；The natural frequency of vibration is low, and it is good to subtract vibration isolating effect, cost
It is low.
But pincushion low frequency air bag vibration isolator disclosed in patent CN106567901 uses supporting plate and limited block, common limitation
Vibration isolator compression, ensures security during vibration isolator burst gas leakage, and the wherein use of limiter increases installation difficulty, increase
The space of installation, adds cost.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, the utility model provides a kind of air bag vibration isolator, its purpose
It is that rubber-metal supporting construction includes two kinds of materials of rubber and metal, had not only played a part of elastic original paper but also can provide just
Degree, limits the compression of vibration isolator, improves the anti-vibration performance under change impacts power, add the stability of vibration isolator；
When the situation that air bag vibration isolator leaks air, rubber-metal supporting construction can also play a part of rigid support, improve gas
The security of capsule vibration isolator；Rubber-metal supporting construction has liberated the dependence to limiter simultaneously, saves installing space, can solve
The certainly damping problem of narrow space device.
To achieve these goals, the utility model provides a kind of air bag vibration isolator, including upper plate, lower shoe, rubber
Cord shell, air chamber and rubber-metal supporting construction；
Wherein described upper plate, lower shoe are fixed on rubber cord shell, and the rubber-metal supporting construction is placed in institute
State in rubber cord shell, the air chamber is made up of the gap between rubber cord shell and rubber-metal supporting construction；
The rubber-metal supporting construction is formed by two kinds of material structures of rubber and metal, for as elastic original paper and carrying
For rigidity, the rubber-metal supporting construction is respectively provided with some symmetrical strong points up and down, and the left and right sides is similarly provided with symmetrical
The strong point, each strong point front end is close to the inner surface of the rubber cord shell, for support rubber cord shell and
By device for vibration insutation.
Further, the upper plate, lower shoe are same rectangle metal structure, four angles of the upper plate and
Four angles of lower shoe are all respectively equipped with bolt hole, and for fixing upper and lower bottom plate, the surface of the upper plate and lower shoe is symmetrical
Provided with some bolts hole, for fixing bottom plate and rubber cord shell；The upper plate and lower shoe are horizontal, longitudinal direction is provided with crossbeam
Structure, it is easy for installation and removal.
Further, the closing space and the rubber-metal that the size of the air chamber is surrounded by the rubber cord shell
The shape size of supporting construction determines that the inlet end of the aerating device is located at the centre of air bag vibration isolator bottom, and inlet end is worn
Cross the lower shoe, rubber cord shell is extend into air chamber, for inputting pressure-air by inflatable end.
Further, the upper plate and lower shoe are fixed with the rubber cord shell by screw bolt and nut, described
Spring washer is provided between nuts and bolt, the spring washer is used for the air-tightness for increasing the air bag vibration isolator.
In general, by the contemplated above technical scheme of the utility model compared with prior art, can obtain down
Row beneficial effect：
(1) air bag vibration isolator of the present utility model, rubber-metal supporting construction include two kinds of materials of rubber and metal, both risen
Effect to elastic original paper can provide rigidity again, limit the compression of vibration isolator, improve under change impacts power every
Shake performance, add the stability of vibration isolator；When the situation that air bag vibration isolator leaks air, rubber-metal supporting construction also can
Play a part of rigid support, improve the security of air bag vibration isolator；Rubber-metal supporting construction has been liberated to spacing simultaneously
The dependence of device, saves installing space, can solve the problems, such as the damping of narrow space device.
(2) air bag vibration isolator of the present utility model, upper plate, lower shoe are rectangular metallic plate, are fixed on rubber cord
Outside upper, the rectangle structure of air bag vibration isolator causes easier for installation, and use is more flexible, can be used for local vibration isolation or whole
Machine vibration isolation, on bottom plate laterally, longitudinal direction be provided with crossbeam, be easy for installation and removal；
(3) air bag vibration isolator of the present utility model, can inflation/deflation formula air bag vibration isolator, in use can basis
The difference of working environment and load, is adjusted to air pressure, it is ensured that more preferable vibration isolating effect.
(4) air bag vibration isolator of the present utility model, the intrinsic frequency of air bag vibration isolator is smaller, disclosure satisfy that low frequency equipment
Vibration isolation requirement, efficiently avoid the resonance problem of some low-frequency vibration equipment.
(5) air bag vibration isolator of the present utility model, is fixed, it is ensured that device using spring washer, screw bolt and nut
Air-tightness.
Brief description of the drawings
Fig. 1 is a kind of structural representation of air bag vibration isolator of the utility model embodiment；
Fig. 2 is a kind of air bag vibration isolator cut away left side view of the utility model embodiment；
Fig. 3 is a kind of structural representation of air bag vibration isolator upper plate of the utility model embodiment.
In all accompanying drawings, same reference represents identical structure and part, wherein：1- upper plates, 2- lower shoes,
3- rubber cords shell, 4- air chambers, 5- aerating devices, 6- rubber-metals supporting construction, 7- fixing bolts, 8- fixing nuts.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.It is in addition, involved in each embodiment of the utility model disclosed below
As long as and to technical characteristic each other do not form conflict can be mutually combined.
Fig. 1 is a kind of structural representation of air bag vibration isolator of the utility model, as shown in figure 1, the air bag vibration isolator is from upper
And lower upper plate 1, rubber cord shell 3, rubber-metal supporting construction 6, rubber cord shell 3 and the rubber-metal of including supports knot
Air chamber 4 and aerating device 5, the upper plate 2 formed between structure 6；Upper plate 1, lower shoe 2 are rectangular metallic plate, solid respectively
It is scheduled on rubber cord shell 3, the rectangle structure of air bag vibration isolator causes easier for installation, and use is more flexible, can be with
For local vibration isolation or complete machine vibration isolation；Rubber-metal supporting construction 6 is placed with inside rubber cord shell 3, the rubber-metal branch
Support structure 6 includes two kinds of materials of rubber and metal, had not only played a part of elastic original paper but also can provide rigidity, and had added vibration isolator
Stability；The rubber-metal supporting construction is respectively provided with some symmetrical strong points about 6, the left and right sides is similarly provided with support
Point, each strong point front end are close to the inner surface of rubber cord shell 3, played a supporting role, and the compression for limiting vibration isolator becomes
Shape, the anti-vibration performance under change impacts power is improved, when the situation that air bag vibration isolator leaks air, can also play rigid branch
The effect of support, improve the security of air bag vibration isolator.
The air chamber 4 of the air bag vibration isolator is made up of the space between rubber cord shell 3, rubber-metal supporting construction 6, gas
The closing space and the shape size of rubber-metal supporting construction that the size of room is surrounded by rubber cord shell determine, pass through inflation
Device 5 is filled with pressure-air into air chamber, and the inlet end of aerating device 5 is located at the middle of the air bag vibration isolator bottom, air inlet
End is extend into air chamber 4 through lower shoe 2, rubber cord shell 3, inputs pressure-air by inflatable end, and carry according to work
Lotus calculates the amount of input pressure-air.Can inflation/deflation formula air bag vibration isolator, in use can according to working environment and
The difference of load, is adjusted to air pressure, it is ensured that more preferable vibration isolating effect.
Fig. 2 is a kind of air bag vibration isolator cut away left side view of the utility model, as shown in Fig. 2 bolt 7 is from rubber cord shell
3 through upper plate 1, lower shoe 2, and stretches out outside metallic plate one section, and 8 times placement spring washers of nut are fixed on bolt 7, are passed through
Upper and lower bottom plate is secured firmly on rubber cord shell 3 by the collective effect of bolt 7 and nut 8, the use increase of spring washer
The air-tightness of device, prevents gas leakage.
Fig. 3 is a kind of air bag vibration isolator base arrangement schematic diagram of the utility model, as shown in figure 3, on the air bag vibration isolator
Bottom plate 1, lower shoe 2 are same rectangle metal structure, and four angles of upper plate 1 and lower shoe 2 are all respectively equipped with bolt hole,
For the fixation between upper and lower bottom plate；Horizontal on bottom plate, longitudinal direction is provided with crossbeam, is easy for installation and removal；It is arranged with bottom plate
Some bolts hole, for the fixation between bottom plate and rubber cord shell.
Drawn a conclusion by table 1, it is substantially linear between vibration isolator rated load and the blowing pressure, in air bag vibration isolator
Air pressure it is substantially linear to quiet, dynamic stiffness, air pressure is higher, and rigidity is bigger.
Air bag vibration isolator intrinsic frequency test is as follows, and such as table 1, the intrinsic frequency of air bag vibration isolator is with intracapsular air pressure relation
Less, it is and smaller, the vibration isolation requirement of low frequency equipment is disclosure satisfy that, the resonance that efficiently avoid some low-frequency vibration equipment is asked
Topic.
The vibration isolator intrinsic frequency test result of table 1
As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not
For limiting the utility model, any modification of all made within spirit of the present utility model and principle, equivalent substitution and change
Enter, should be included within the scope of protection of the utility model.
Claims (4)
1. a kind of air bag vibration isolator, it is characterised in that including upper plate (1), lower shoe (2), rubber cord shell (3), air chamber
And rubber-metal supporting construction (6) (4)；
Wherein described upper plate (1), lower shoe (2) are fixed on rubber cord shell (3), the rubber-metal supporting construction
(6) it is placed in the rubber cord shell (3), the air chamber (4) is by rubber cord shell (3) and rubber-metal supporting construction
(6) the gap composition between；
The rubber-metal supporting construction (6) is formed by two kinds of material structures of rubber and metal, for as elastic original paper and carrying
For rigidity, the rubber-metal supporting construction (6) is respectively provided with some symmetrical strong points up and down, and the left and right sides is similarly provided with pair
The strong point of title, each strong point front end is close to the inner surface of the rubber cord shell (3), for supporting outside rubber cord
Shell (3) and by device for vibration insutation.
2. air bag vibration isolator according to claim 1, it is characterised in that the upper plate (1), lower shoe (2) are same
Rectangle metal structure, four angles of the upper plate (1) and four angles of lower shoe (2) are all respectively equipped with bolt hole, use
In fixed upper and lower bottom plate, the surface of the upper plate (1) and lower shoe (2) is arranged with some bolts hole, for fixing bottom plate
With rubber cord shell；The upper plate (1) and lower shoe (2) transverse direction, longitudinal direction are provided with beam structure, are easy for installation and removal.
3. air bag vibration isolator according to claim 1, it is characterised in that the size of the air chamber (4) is by the rubber curtain
The shape size decision of closing space and the rubber-metal supporting construction that cloth shell (3) surrounds, the air inlet of aerating device (5)
End is located at the centre of air bag vibration isolator bottom, and inlet end extend into air chamber through the lower shoe (2), rubber cord shell (3)
(4) in, for inputting pressure-air by inflatable end.
4. air bag vibration isolator according to claim 1 or 2, it is characterised in that the upper plate (1) and lower shoe (2) with
The rubber cord shell (3) is fixed by bolt (7) and nut (8), and spring is provided between the nut (8) and bolt (7)
Packing ring, the spring washer are used for the air-tightness for increasing the air bag vibration isolator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720741598.9U CN207093644U (en) | 2017-06-23 | 2017-06-23 | A kind of air bag vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720741598.9U CN207093644U (en) | 2017-06-23 | 2017-06-23 | A kind of air bag vibration isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207093644U true CN207093644U (en) | 2018-03-13 |
Family
ID=61554065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720741598.9U Active CN207093644U (en) | 2017-06-23 | 2017-06-23 | A kind of air bag vibration isolator |
Country Status (1)
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| CN (1) | CN207093644U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916288A (en) * | 2018-08-24 | 2018-11-30 | 中国人民解放军海军工程大学 | Non-axis symmetry abnormity air bag vibration isolator |
| CN110439960A (en) * | 2019-07-19 | 2019-11-12 | 中国船舶重工集团公司第七一九研究所 | A kind of small-sized air bag |
| CN111320097A (en) * | 2018-12-13 | 2020-06-23 | 株洲飞马橡胶实业有限公司 | Square hoisting air cushion and hoisting assembly comprising same |
| CN114290722A (en) * | 2021-11-30 | 2022-04-08 | 陕西特种橡胶制品有限公司 | Manufacturing method of fabric reinforced drum-type membrane vibration isolator |
| CN114658798A (en) * | 2022-02-24 | 2022-06-24 | 中船澄西船舶修造有限公司 | Frequency modulation damping device and method for mounting marine auxiliary machinery equipment |
| CN115305968A (en) * | 2022-09-16 | 2022-11-08 | 山东高速集团有限公司 | Side-extensible vibration isolation air bag and using method thereof |
-
2017
- 2017-06-23 CN CN201720741598.9U patent/CN207093644U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916288A (en) * | 2018-08-24 | 2018-11-30 | 中国人民解放军海军工程大学 | Non-axis symmetry abnormity air bag vibration isolator |
| CN111320097A (en) * | 2018-12-13 | 2020-06-23 | 株洲飞马橡胶实业有限公司 | Square hoisting air cushion and hoisting assembly comprising same |
| CN110439960A (en) * | 2019-07-19 | 2019-11-12 | 中国船舶重工集团公司第七一九研究所 | A kind of small-sized air bag |
| CN114290722A (en) * | 2021-11-30 | 2022-04-08 | 陕西特种橡胶制品有限公司 | Manufacturing method of fabric reinforced drum-type membrane vibration isolator |
| CN114658798A (en) * | 2022-02-24 | 2022-06-24 | 中船澄西船舶修造有限公司 | Frequency modulation damping device and method for mounting marine auxiliary machinery equipment |
| CN114658798B (en) * | 2022-02-24 | 2023-12-26 | 中船澄西船舶修造有限公司 | Frequency modulation damping device and damping method for installation of marine auxiliary equipment |
| CN115305968A (en) * | 2022-09-16 | 2022-11-08 | 山东高速集团有限公司 | Side-extensible vibration isolation air bag and using method thereof |
| CN115305968B (en) * | 2022-09-16 | 2023-11-28 | 山东高速集团有限公司 | Side-expandable vibration isolation air bag and application method thereof |
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