CN212615252U

CN212615252U - Vibration isolation and noise reduction device and air pump component with same

Info

Publication number: CN212615252U
Application number: CN202021578442.1U
Authority: CN
Inventors: 马军; 张彦军; 田涛; 宋振兴; 石梅生
Original assignee: Institute of Medical Support Technology of Academy of System Engineering of Academy of Military Science
Current assignee: Institute of Medical Support Technology of Academy of System Engineering of Academy of Military Science
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-02-26
Anticipated expiration: 2030-08-03

Abstract

The utility model provides a device of making an uproar and having this device of making an uproar falls in vibration isolation's air pump component, this device of making an uproar falls in vibration isolation is equipped with the bottom plate and installs the mechanism of making an uproar falls in the vibration isolation on the bottom plate, the mechanism of making an uproar falls in the vibration isolation includes mounting flange and wears to overlap in a plurality of dead levers of mounting flange periphery and the cylinder spring of suit on the dead lever, the dead lever is fixed on the bottom plate, the cover is worn on the dead lever in the mounting flange slip, the upper end of cylinder spring is fixed on the. The utility model supports the air pump through the vibration isolation and noise reduction mechanism, the cylindrical spring takes the fixed rod as the support guide mechanism, and the cylindrical spring has smaller rigidity and better flexibility and has better vibration isolation effect of longitudinal vibration; the circular through groove of the mounting flange is internally provided with the annular elastic pad, so that the vibration of the air pump in the horizontal direction is weakened due to the buffering of the annular elastic pad, and the noise reduction effect is realized.

Description

Vibration isolation and noise reduction device and air pump component with same

Technical Field

The utility model relates to an air pump technical field, concretely relates to vibration isolation and noise reduction device and have this vibration isolation and noise reduction device's air pump component.

Background

The air pump is used very extensively in industrial production, and it is generally through providing high-pressure gas through circulation compressed air, and at compressed gas's in-process, the inner assembly of air pump can inevitably produce the vibration, and then sends the noise, and the influence lies in staff around the air pump, can cause staff's attention not to concentrate, influences production efficiency, can influence staff's healthy even.

For example, an air pump applied to an indoor oxygen supply system has relatively large vibration during operation, relatively obvious resonance during installation on a casing, vibration transmission to the casing, and resonance caused by force excitation and sound excitation due to the thin-wall structure of the casing, so that noise is caused and the noise is radiated outwards, and the stability of the air pump during long-time operation is seriously affected.

An air pump in the existing indoor oxygen supply system is generally fixed on a bottom plate connected with a machine shell, the vibration reduction effect is realized through a spring arranged at the bottom of an air pump foot seat of the air pump, the weight of the air pump is directly born by the spring at the bottom and the vibration of the air pump is absorbed by the spring, so that the vibration is reduced and is transmitted to the machine shell from the bottom plate; in order to support the weight of the air pump, the spring is required to have higher rigidity so as to ensure that the air pump keeps a certain levelness, and the spring with higher rigidity has poor vibration absorption effect compared with the spring with lower rigidity.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a vibration isolation and noise reduction device.

The utility model adopts the following technical scheme:

the utility model provides a device of making an uproar falls in vibration isolation, is equipped with bottom plate (1) and installs the mechanism of making an uproar falls in vibration isolation on bottom plate (1), the mechanism of making an uproar falls in vibration isolation includes mounting flange (3) and wears to overlap in peripheral a plurality of dead levers (6) of mounting flange and cylindrical spring (7) of suit on the dead lever, and dead lever (6) are fixed on bottom plate (1), and the cover is worn on the dead lever in mounting flange (3) slip, and the upper end of cylindrical spring (7) is fixed on the upper portion of dead lever (6), lower extreme fixed connection mounting flange (3), and there is the interval between mounting flange (.

In the vibration isolation and noise reduction device, the lower end of the cylindrical spring (7) is fixedly connected with the mounting flange (3) through the lower positioning pins (10), the upper ends of the lower positioning pins (10) are provided with pin holes, the lower end of the cylindrical spring (7) penetrates through the pin holes of the lower positioning pins (10), and the lower end of the lower positioning pins (10) penetrates through the mounting flange (3) and is fastened by nuts.

In the vibration isolation and noise reduction device, the bottom plate (1) positioned below the lower positioning pin (10) is correspondingly provided with the anti-interference groove (2).

In the vibration isolation and noise reduction device, the upper end of the cylindrical spring (7) is fixed on the upper part of the fixing rod (6) through an upper gasket (9), a positioning nut (14) and an upper positioning pin (11), and the upper gasket (9) is sleeved on the fixing rod (6) in a penetrating manner and is positioned between the two positioning nuts (14) in threaded connection with the fixing rod (6); the lower end of the upper positioning pin (11) is provided with a pin hole, the upper end of the cylindrical spring (7) penetrates through the pin hole of the upper positioning pin (11), and the upper end of the upper positioning pin (11) is fastened through a nut.

In the vibration isolation and noise reduction device, the mounting flange (3) is provided with an annular elastic pad (12) in a through hole for penetrating and sleeving the fixing rod (6), and the inner diameter of the annular elastic pad (12) is larger than the outer diameter of the fixing rod (6).

Among the above-mentioned vibration isolation noise reduction device, the perforation that mounting flange (3) are used for wearing cover dead lever (6) is circular logical groove (4), and the internal periphery of circular logical groove (4) is wide down the narrow interior step that forms, and the periphery of annular elastic pad (12) is wide down the narrow outer step that forms, and annular elastic pad (12) nestification is in circular logical groove (4), and the laminating of its outer step and the interior step of circular logical groove (4).

In the vibration isolation and noise reduction device, a lower gasket (8) is further arranged at the circular through groove (4) of the mounting flange (3), the lower gasket (8) is provided with a through hole with the inner diameter smaller than the outer diameter of the annular elastic pad (12), the lower gasket (8) is sleeved on the fixing rod (6) in a penetrating manner and is fixedly attached to the upper surface of the mounting flange (3), and the through hole of the lower gasket (8) is coaxially arranged with the circular through groove (4); preferably, the lower end of the annular elastic cushion (12) extends out of the circular through groove (4).

In the vibration isolation and noise reduction device, each fixing rod (6) is provided with a fixing rod fastening nut (13) at the upper end face of the bottom plate (1).

Above-mentioned vibration isolation noise reduction device still is equipped with stop gear, stop gear is including setting up spacing seat (15) and spacing arch (5) in mounting flange (3) outside, spacing seat (15) are equipped with spacing groove (16) of opening orientation spacing arch (5), spacing arch (5) are the arch of mounting flange (3) outside extension, or the arch of snap-on mounting flange (3), spacing arch (5) stretch into spacing groove (16), the flexible range limit value phase-match of size and cylindrical spring (7) of spacing groove (16).

The utility model also provides an air pump component with vibration isolation and noise reduction device, including air pump and above-mentioned vibration isolation and noise reduction device, air pump footstand (18) at air pump both ends are fixed respectively on mounting flange (3) that are equipped with of vibration isolation and noise reduction device.

Be different from prior art, the utility model discloses following beneficial effect has:

the utility model discloses vibration isolation and noise reduction device has the vibration isolation function of longitudinal vibration and the vibration damping and noise reduction function of horizontal vibration, and the vibration isolation refers to the longitudinal vibration of air pump and the bottom plate of fixing on the casing keep apart to realize the vibration isolation effect of air pump longitudinal vibration and casing, compare with the scheme that the damping was realized to the spring that utilizes to set up in air pump foot stool bottom in the prior art, the influence to the casing is littleer, is difficult for forming resonance; the noise reduction means that the horizontal vibration of the air pump is buffered and absorbed through the elastic cushion, so that the vibration reduction and noise reduction effects are realized. The device supports the air pump through a mounting flange, a plurality of fixing rods penetrating the periphery of the mounting flange and a vibration isolation and noise reduction mechanism formed by cylindrical springs sleeved on the fixing rods, the cylindrical springs take the fixing rods as a support and guide mechanism, the mounting flange is spaced from a bottom plate, longitudinal vibration of the air pump is absorbed by the cylindrical springs, the vibration of the air pump is prevented from being transmitted to a casing through the bottom plate, resonance is avoided, and therefore the vibration isolation function is achieved; a mounting flange suit for installing the air pump is on the dead lever and fix the lower extreme at cylindrical spring, and is provided with annular elastic pad in mounting flange's the circular logical inslot for the vibration of the horizontal direction of air pump weakens because annular elastic pad's buffering, thereby realizes making an uproar the effect of falling.

Drawings

Fig. 1A is a schematic structural view of the vibration isolating and noise reducing device of the present invention;

fig. 1B is a partial sectional view of the vibration isolating and noise reducing device of the present invention;

FIG. 2A is an enlarged view of region G of FIG. 1B;

FIG. 2B is an enlarged view of region H in FIG. 1B;

fig. 3 is a schematic structural view of the air pump with vibration isolation and noise reduction device of the present invention.

The main reference numbers:

100-vibration and noise reduction devices;

1-a bottom plate, 2-an interference-preventing groove, 3-a mounting flange, 4-a circular through groove, 5-a limiting bulge, 6-a fixing rod, 7-a cylindrical spring, 8-a lower gasket, 9-an upper gasket, 10-a lower positioning pin, 11-an upper positioning pin, 12-an annular elastic pad, 13-a fixing rod fastening nut, 14-a positioning nut, 15-a limiting seat and 16-a limiting groove; 17-air pump, 18-air pump foot stool.

Detailed Description

The following describes the vibration isolation and noise reduction device and the air pump component with the vibration isolation and noise reduction device in detail with reference to the accompanying drawings and specific implementation examples.

Fig. 1A and fig. 1B are schematic structural diagrams of the vibration and noise reduction device of the present invention. In this embodiment, the vibration isolation and noise reduction device 100 is suitable for an air pump installed on a housing, and has the vibration isolation and noise reduction functions, and includes a bottom plate 1 for supporting and a vibration isolation and noise reduction mechanism installed on the bottom plate 1, wherein:

the vibration and noise isolation device 100 is fixed on the casing through the bottom plate 1. On the basis of satisfying the bearing requirement, the bottom plate 1 is preferably hollow out (for example, the middle part is provided with square through hole) to alleviate the weight of bottom plate 1.

The vibration isolation and noise reduction mechanism comprises a mounting flange 3, a plurality of fixing rods 6 which are sleeved on the periphery of the mounting flange 3 and cylindrical springs 7 which are sleeved on the fixing rods 6, the fixing rods 6 are fixed on the bottom plate 1, the mounting flange 3 is used for fixedly mounting an air pump 17, the mounting flange slides to be sleeved on the two fixing rods 6, the upper ends of the cylindrical springs 7 are fixed on the upper portions of the fixing rods 6, the lower ends of the cylindrical springs are fixedly connected with the mounting flange 3, a space is reserved between the mounting flange 3 and the bottom plate, and the space is not smaller than the amplitude of. The weight of the air pump 17 is transmitted to the cylindrical spring 7 through the mounting flange 3, and the longitudinal vibration generated when the air pump 17 works can be absorbed by the cylindrical spring 7, so that the transmission to the bottom plate 1 is avoided, the longitudinal vibration of the air pump 17 is isolated from the casing, and the longitudinal vibration isolation function is realized.

Further, referring to fig. 2A and 2B, the lower end of the cylindrical spring 7 is fixed on the mounting flange 3 by a plurality of lower positioning pins 10, the upper end of the lower positioning pin 10 is provided with a pin hole, the lower end of the cylindrical spring 7 passes through the pin hole of the lower positioning pin 10, and the lower end of the lower positioning pin 10 passes through the mounting flange 3 and is fastened by a nut; the upper end of the cylindrical spring 7 is fixed on the upper part of the fixing rod 6 through an upper gasket 9, positioning nuts 14 and an upper positioning pin 11, the upper gasket 9 is sleeved on the fixing rod 6 and positioned between the two positioning nuts 14, and the positioning nuts 14 are in threaded connection with the fixing rod 6, so that the upper gasket 9 is fixed on the upper part of the fixing rod 6; the lower end of the upper positioning pin 11 is provided with a pin hole, the upper end of the cylindrical spring 7 penetrates through the pin hole of the upper positioning pin 11, and the upper end of the upper positioning pin 11 is fastened through a nut, so that the cylindrical spring 7 is limited between the upper gasket 9 and the mounting flange 3.

Because dead lever 6 and mounting flange 3 are the rigid component, the horizontal direction vibration that air pump 17 during operation produced can't be absorbed by the rigid component, the rigid component collision can produce the noise, simultaneously when air pump 17 longitudinal vibration is great, the nut of lower locating pin 10 probably touches bottom plate 1, and produce the noise, in order to cushion horizontal direction vibration and longitudinal great vibration, mounting flange 3 is used for wearing to set up annular elastic cushion 12 in the perforation of cover dead lever 6, the internal diameter of annular elastic cushion 12 is greater than the external diameter of dead lever 6, make annular elastic cushion 12 can slide from top to bottom along dead lever 6, annular elastic cushion 12 is preferably the annular rubber pad. Specifically, the through hole of the mounting flange 3 for penetrating and sleeving the fixing rod 6 is a circular through groove 4, the inner circumference of the circular through groove 4 is wide at the top and narrow at the bottom to form an inner step, the outer circumference of the annular elastic pad 12 is wide at the top and narrow at the bottom to form an outer step, the annular elastic pad 12 is nested in the circular through groove 4, and the outer step of the annular elastic pad is attached to the inner step of the circular through groove 4. In this manner, horizontal and longitudinal vibrations may be isolated or damped while noise is reduced.

Further, in order to prevent the annular elastic pad 12 from slipping out of the circular through groove 4 of the mounting flange 3, a lower gasket 8 is further arranged at the circular through groove 4 of the mounting flange 3, the lower gasket 8 is provided with a through hole with the inner diameter smaller than the outer diameter of the annular elastic pad 12, the lower gasket 8 sleeved on the fixed rod 6 in a penetrating mode is attached to the upper surface of the mounting flange 3, and the through hole of the lower gasket 8 is coaxially arranged with the circular through groove 4; lower gasket 8 compresses tightly fixedly through locating pin 10 and mounting flange 3 down, and simultaneously lower gasket 8 compresses tightly the up end of annular elastic pad 12, and annular elastic pad 12 is spacing, and cylindrical spring 7 is spacing between last gasket 9 and lower gasket 8 (mounting flange 3) simultaneously.

Preferably, each of the fixing bars 6 is provided at the upper end surface of the base plate 1 with a fixing bar fastening nut 13 for reinforcing the strength of the fixing bar 6.

Furthermore, an anti-interference groove 2 is correspondingly formed in the bottom plate 1 below the lower positioning pin 10 and used for preventing a nut arranged at the lower end of the lower positioning pin 10 from colliding with the bottom plate 1 to generate noise in the working process of the air pump; the diameter and depth of the interference preventing groove 2 are determined according to the size of the nut mounted on the lower end of the lower positioning pin 10 and the range of the vibration longitudinal vibration of the air pump 17. Preferably, the lower end of the annular elastic pad 12 extends out of the circular through groove 4, and when the air pump 17 generates large longitudinal vibration, the annular elastic pad 12 contacts the bottom plate 1 to prevent the mounting flange 3 from directly contacting the bottom plate 1 or the nut of the lower positioning pin 10 from directly contacting the bottom plate 1 to generate vibration noise.

During installation, the vibration isolation and noise reduction mechanism in the vibration isolation and noise reduction device 100 of the present invention is installed in the installation sequence from bottom to top, which is described by taking the embodiment shown in fig. 1A and 1B as an example, i.e. first installing four fixing rods 6 at predetermined positions of the bottom plate 1, and respectively fastening the four fixing rods 6 on the bottom plate 1 by using the fixing rod fastening nuts 13; then, annular elastic pads 12 are arranged in the circular through grooves 4 at the two ends of the mounting flange 3, then the lower gasket 8 is respectively clung to the upper end faces of the circular through grooves 4 at the two ends of the mounting flange 3, so that the circular through grooves 4 of the mounting flange 3 are coaxial with the through holes of the lower gasket 8, the mounting flange 3 and the lower gasket 8 are arranged together in a penetrating way by using the lower positioning pin 10, then the lower end of a cylindrical spring 7 is arranged in the pin hole at the upper end of the lower positioning pin 10 in a penetrating way, the lower end of the lower positioning pin 10 is fixed by screwing a nut, then the mounting flange 3 and the cylindrical spring 7 which are assembled are sleeved on the fixing rods 6, the upper end of each fixing rod 6 is sequentially sleeved with a positioning nut 14 and an upper gasket 9, the upper gasket 9 is fixed at a preset position at the upper part of the fixing rod 6, the upper positioning pin 11 penetrates through the upper gasket 9, the upper end of the cylindrical spring 7, thus completing the installation of the vibration isolation and noise reduction mechanism.

Further, the vibration isolation and noise reduction device 100 is further provided with a limiting mechanism for limiting the longitudinal vibration amplitude of the mounting flange 3, so that the vibration isolation and noise reduction device 100 is prevented from being damaged by the mounting flange 3 along with the overlarge vibration amplitude of the air pump 17 under abnormal conditions. Referring to fig. 1A and fig. 1B, the limiting mechanism includes a limiting seat 15 and a limiting protrusion 5, the limiting protrusion 5 and the limiting seat 15 are disposed on the outer side of the mounting flange 3 (on the side away from the air pump 17 in fig. 3), the limiting seat 15 is provided with a limiting groove 16 with an opening facing the limiting protrusion 5, the limiting protrusion 5 may be a protrusion extending outward from the mounting flange 3 or a protrusion directly fixed on the mounting flange 3, the limiting protrusion 5 extends into the limiting groove 16, and the size of the limiting groove 16 is determined according to the maximum vibration amplitude of the air pump 17 in the working process (i.e., the size of the limiting groove 16 is matched with the limit value of the expansion amplitude of the cylindrical spring 7).

Preferably, an elastic cushion is laid on the inner wall of the limiting groove 16 to reduce noise generated by collision between the limiting protrusion 5 and the inner wall of the limiting groove 16.

The air pump with the vibration isolation and noise reduction device is used in an indoor oxygen supply system, as shown in fig. 3, the bottom plate 1 is fixed on a casing of the indoor oxygen supply system, the air pump foot seats 18 at two ends of the air pump 17 are respectively fixed on the mounting flanges 3 arranged in the vibration isolation and noise reduction device 100, when the air pump works, the vibration isolation and noise reduction device 100 isolates the longitudinal vibration of the air pump from the casing of the indoor oxygen supply system, so as to avoid the resonance between the air pump and the casing, meanwhile, the annular elastic pads 12 are arranged in the circular through grooves 4 of the mounting flanges 3, so that the vibration in the horizontal direction of the air pump is weakened due to the buffering of the annular elastic pads 12, thereby realizing the vibration isolation and noise reduction effect, further ensuring the stability of the long-time work of the air pump.

Specifically, when the air pump 17 is not in operation, the upper end of the cylindrical spring 7 is fixed on the upper part of the fixing rod 6 through the upper gasket 9, the lower end of the cylindrical spring 7 is fixed on the lower gasket 8 and the mounting flange 3, the cylindrical spring 7 is in a stretching state and is used for bearing the weight of the air pump 17 mounted on the mounting flange 3, at this time, the bottom of the mounting flange 3 is away from the bottom plate 1 by a certain distance, the air pump 17 is hung by the cylindrical spring 7, compared with a damping spring at the bottom of the air pump, the rigidity of the cylindrical spring can be very small, because of the guiding effect of the fixing rod 6, the lateral stress of the cylindrical spring is borne by the fixing rod 6 during vibration, the cylindrical spring only bears the longitudinal gravity of the air pump, the damping spring at the bottom of the air pump also bears the lateral force generated during vibration except the longitudinal gravity of, therefore, the utility model discloses cylindrical spring 7 has better vibration absorption effect, can effectively keep apart the vibration of air pump to avoid air pump 17 and casing resonance. When the air pump 17 works, longitudinal vibration generated by the air pump 17 is transmitted to the cylindrical spring 7 through the mounting flange 3, the cylindrical spring 7 converts the longitudinal vibration into spring potential energy, so that the longitudinal vibration of the air pump 17 is isolated from the bottom plate 1, and when the longitudinal vibration of the air pump 17 is large, the annular elastic pad 12 contacts the bottom plate 1 to play a role in buffering and damping; the horizontal vibration of the air pump 17 is contacted with the fixed rod 6 through the annular spring pad 12, so that the buffering and vibration reduction effects are achieved. The cylindrical spring 7 is sleeved on the fixing rod 6 in a penetrating manner, the fixing rod 6 plays a role in supporting and guiding, and has lower rigidity compared with the existing spring arranged at the bottom of the air pump foot seat 18 of the air pump 17, so that longitudinal vibration generated by the air pump 17 can be better absorbed; the horizontal vibration of the air pump 17 acts on the fixing rod 6 through the mounting flange 3, and due to the buffering effect of the annular elastic cushion 12 in the circular through groove 4 of the mounting flange 3, the horizontal vibration generated by the air pump 17 is basically absorbed by the annular elastic cushion 12, and meanwhile, the noise is reduced; the limiting mechanism is matched with the limiting protrusion 5 arranged on the mounting flange 3 through the limiting seat 15, so that the vibration amplitude of the mounting flange 3 is limited within a certain range, and the vibration isolation and noise reduction device 100 is prevented from being damaged due to overlarge vibration amplitude of the air pump 17.

Obviously, the application object of the vibration isolation and noise reduction device 100 of the present invention is not limited to the air pump 17, and can also be applied to other devices that are easy to generate vibration, and the changes of the device structure size and the spatial layout due to the different sizes of the devices also belong to the concept of the present invention.

The utility model discloses above-mentioned vibration isolation noise reduction device and have vibration isolation noise reduction device's air pump has following characteristics:

1) the vibration isolation and noise reduction device 100 supports the air pump through a mounting flange, a plurality of fixing rods penetrating the periphery of the mounting flange and a vibration isolation and noise reduction mechanism formed by cylindrical springs sleeved on the fixing rods, the cylindrical springs 7 take the fixing rods 6 as a support guide mechanism, the mounting flange 3 is spaced from the bottom plate, longitudinal vibration of the air pump is absorbed and isolated by the cylindrical springs, the vibration of the air pump is prevented from being transmitted to the shell through the bottom plate, resonance is avoided, and therefore the vibration isolation function is achieved, and compared with the existing vibration reduction springs installed at the bottom of the air pump, the cylindrical springs 7 have smaller rigidity and better flexibility, and therefore the vibration isolation and noise reduction device has a better absorption effect on; the mounting flange 3 suit for installing the air pump is on dead lever 6 and fix the lower extreme at cylindrical spring 7, and is provided with annular elastic pad 12 in the circular logical groove 4 of mounting flange 3 for the horizontal direction's of air pump vibration weakens because annular elastic pad 12's buffering, thereby realizes the effect of vibration isolation and noise reduction.

2) The vibration isolation and noise reduction device 100 is provided with a limiting mechanism on the outer side of the mounting flange 3, namely, the limiting protrusion 5 arranged on the outer side of the mounting flange 3 extends into the limiting groove 16 arranged on the limiting seat 15, the amplitude of the vertical vibration of the mounting flange 3 is limited by the height of the limiting groove 16, and the vibration isolation and noise reduction device 100 is protected from being damaged due to the overlarge abnormal vibration amplitude.

3) Annular elastic cushion 12 and mounting flange 3's circular logical groove 4 pass through the step cooperation, and annular elastic cushion 12's upper end compresses tightly through gasket 8 down for annular elastic cushion 12 is firm spacing in circular logical groove 4, and annular elastic cushion 12 lower extreme stretches out annular logical groove 4, plays the cushioning effect at cylindrical spring 7 along with the air pump vibration and flexible in-process from top to bottom, prevents that mounting flange 3 from striking bottom plate 2 and producing vibration and noise.

3) The lower end of each cylindrical spring 7 is fixed on the mounting flange 3 through a lower positioning pin 10, the lower portion of the lower positioning pin 10 is fixed through a nut, an interference preventing groove 2 is correspondingly formed in the bottom plate 1 located below the lower positioning pin 10, and the cylindrical springs 7 are prevented from vibrating and generating noise due to the fact that the nuts at the lower ends of the lower positioning pins 10 impact the bottom plate 2 in the vertical stretching process along with the vibration of the air pump.

It will be understood by those skilled in the art that these examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention, and that various equivalent modifications and adaptations of the invention are intended to fall within the scope of the invention disclosed herein.

Claims

1. The utility model provides a device of making an uproar falls in vibration isolation, is equipped with bottom plate (1) and installs the mechanism of making an uproar falls in vibration isolation on bottom plate (1), a serial communication port, the mechanism of making an uproar falls in vibration isolation includes mounting flange (3) and wears to overlap in peripheral a plurality of dead levers (6) of mounting flange and cylinder spring (7) of suit on the dead lever, dead lever (6) are fixed on bottom plate (1), mounting flange (3) slip is worn to overlap on the dead lever, the upper portion at dead lever (6), lower extreme fixed connection mounting flange (3) are fixed to the upper end of cylinder spring (7), and there is the interval between mounting flange (3) and.

2. The vibration and noise isolation device according to claim 1, wherein the lower end of the cylindrical spring (7) is fixedly connected with the mounting flange (3) through a plurality of lower positioning pins (10), pin holes are formed in the upper ends of the lower positioning pins (10), the lower end of the cylindrical spring (7) penetrates through the pin holes of the lower positioning pins (10), and the lower end of the lower positioning pin (10) penetrates through the mounting flange (3) and is fastened by nuts.

3. The vibration isolation and noise reduction device according to claim 2, wherein the bottom plate (1) below the lower positioning pin (10) is correspondingly provided with an anti-interference groove (2).

4. The vibration isolation and noise reduction device according to claim 1, wherein the upper end of the cylindrical spring (7) is fixed on the upper part of the fixing rod (6) through an upper gasket (9), a positioning nut (14) and an upper positioning pin (11), the upper gasket (9) is sleeved on the fixing rod (6) and is positioned between the two positioning nuts (14) in threaded connection with the fixing rod (6); the lower end of the upper positioning pin (11) is provided with a pin hole, the upper end of the cylindrical spring (7) penetrates through the pin hole of the upper positioning pin (11), and the upper end of the upper positioning pin (11) is fastened through a nut.

5. The vibration and noise isolation and reduction device according to any of claims 1 to 4, wherein said mounting flange (3) is used for inserting an annular elastic pad (12) in a through hole of the fixing rod (6), and the inner diameter of the annular elastic pad (12) is larger than the outer diameter of the fixing rod (6).

6. The vibration isolation and noise reduction device according to claim 5, wherein the through hole of the mounting flange (3) for penetrating and sleeving the fixing rod (6) is a circular through groove (4), the inner circumference of the circular through groove (4) is wide at the top and narrow at the bottom to form an inner step, the outer circumference of the annular elastic pad (12) is wide at the top and narrow at the bottom to form an outer step, the annular elastic pad (12) is nested in the circular through groove (4), and the outer step of the annular elastic pad is attached to the inner step of the circular through groove (4).

7. The vibration isolation and noise reduction device according to claim 6, wherein a lower gasket (8) is further arranged at the circular through groove (4) of the mounting flange (3), the lower gasket (8) is provided with a through hole with an inner diameter smaller than the outer diameter of the annular elastic pad (12), the lower gasket (8) is sleeved on the fixing rod (6) in a penetrating manner and is fixedly attached to the upper surface of the mounting flange (3), and the through hole of the lower gasket (8) is coaxial with the circular through groove (4).

8. The vibration and noise insulation and reduction device according to any of claims 1 to 4, wherein each fixing rod (6) is provided with a fixing rod fastening nut (13) at the upper end face of the bottom plate (1).

9. The vibration isolation and noise reduction device according to any one of claims 1 to 4, wherein a limiting mechanism is further provided, the limiting mechanism comprises a limiting seat (15) and a limiting protrusion (5) which are arranged outside the mounting flange (3), the limiting seat (15) is provided with a limiting groove (16) which is opened towards the limiting protrusion (5), the limiting protrusion (5) is a protrusion which extends outwards from the mounting flange (3) or is directly fixed on the mounting flange (3), the limiting protrusion (5) extends into the limiting groove (16), and the size of the limiting groove (16) is matched with the limit value of the expansion and contraction amplitude of the cylindrical spring (7).

10. An air pump component with vibration and noise isolation and reduction device, comprising an air pump and the vibration and noise isolation and reduction device as claimed in any one of claims 1 to 9, wherein air pump foot seats (18) at two ends of the air pump are respectively fixed on a mounting flange (3) of the vibration and noise isolation and reduction device.