CN210859227U - Novel noise reduction device for low-frequency noise - Google Patents
Novel noise reduction device for low-frequency noise Download PDFInfo
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- CN210859227U CN210859227U CN201921867089.6U CN201921867089U CN210859227U CN 210859227 U CN210859227 U CN 210859227U CN 201921867089 U CN201921867089 U CN 201921867089U CN 210859227 U CN210859227 U CN 210859227U
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- silencing
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Abstract
The utility model discloses a novel make an uproar falls in low frequency noise device, including first bottom plate and second bottom plate, first bottom plate with be provided with a plurality of bumper shock absorber between the second bottom plate, a plurality of bumper shock absorber top with first bottom plate bottom contacts, a plurality of bumper shock absorber bottom with the second bottom plate top contacts, all is equipped with quantity between a plurality of bumper shock absorber and is two sets of square, and quantity is two sets of squares, and every group the square is fixed respectively first bottom plate with the corresponding one side of second bottom plate. Has the advantages that: the noise reduction effect is played to the noise that the during operation produced through the whistle box that sets up, and the hush pipe absorbs the noise and fall and make an uproar, inhales the noise to the cavity of whistle box inside again, and the noise that produces when the amortization layer that at last rethread set up was to fan and motor operation weakens, and the damping, the performance of making an uproar is better, and it is more convenient to use.
Description
Technical Field
The utility model relates to a roots's fan field particularly, relates to a novel make an uproar falls of low frequency noise device.
Background
The roots blower is used in the existing pressure swing adsorption oxygen production, belongs to a positive displacement blower, and has an impeller end face and front and rear end covers of the blower. With the continuous progress of the scientific and technical level of people and the continuous development of the technical field of the Roots blower, the Roots blower becomes a necessary tool for work and production gradually, and the Roots blower has the advantages of low cost and good working performance to enter the visual field of people according to the market requirements, but the existing Roots blower has the defects of overlarge noise during operation, easy damage to parts caused by vibration of a machine body and inconvenience in use.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem in the correlation technique, the utility model provides a novel make an uproar falls of low frequency noise device to overcome the above-mentioned technical problem that current correlation technique exists.
The technical scheme of the utility model is realized like this:
a novel noise reduction device for low-frequency noise comprises a first bottom plate and a second bottom plate, wherein a plurality of shock absorbers are arranged between the first bottom plate and the second bottom plate, the top ends of the shock absorbers are in contact with the bottom end of the first bottom plate, the bottom ends of the shock absorbers are in contact with the top end of the second bottom plate, two groups of square blocks are arranged between the shock absorbers, the number of the two groups of square blocks is two, the square blocks of each group are respectively fixed on one side of the first bottom plate corresponding to the second bottom plate, jacks are respectively arranged on the two groups of square blocks, first telescopic rods are respectively fixedly arranged on two sides of the top ends of the shock absorbers and two sides of the bottom ends of the shock absorbers, plug boards corresponding to the jacks are fixedly arranged at the other ends of the first telescopic rods, reset springs are fixedly arranged between the plug boards and the corresponding shock absorbers, the utility model discloses a silencer, including first telescopic link, second bottom plate, first bottom plate, reset spring cover, first bottom plate, fan, connector, fan interconnect, first bottom plate top, the reset spring cover is established on the first telescopic link, second bottom plate bottom mounting is equipped with the buffer layer, fixed motor and the fan of being equipped with of supporting seat that first bottom plate top is fixed respectively, install the connector on the first bottom plate, just the motor passes through the connector with fan interconnect, first bottom plate top is equipped with the whistle box, the inside cavity that is equipped with of whistle box, the whistle box inboard be equipped with the communicating a plurality of hush pipe of cavity, a plurality of hush pipe inner wall all fixed paste has the amortization cotton, the cavity.
Furthermore, the two groups of square blocks are provided with through grooves communicated with the jacks.
Furthermore, the shock absorption layer is made of PE foam cotton.
Furthermore, a second telescopic rod is fixedly connected to one side of the first bottom plate corresponding to one side of the second bottom plate.
Further, first bottom plate bottom with the second bottom plate top all is fixed and is equipped with the iron sheet, a plurality of bumper shock absorber bottom and a plurality of bumper shock absorber top all fixed be equipped with iron sheet assorted magnetic sheet, first bottom plate with set supporting mechanism between the second bottom plate.
The utility model provides a novel low frequency noise falls device, beneficial effect as follows:
the shock absorber is placed between the first bottom plate and the second bottom plate, the reset spring is manually pressed to shorten the reset spring, the plug board corresponds to the jack, the plug board is inserted into the jack through the reset of the reset spring, so that the shock absorber is installed, in the safety process, a supporting block is additionally arranged between the first bottom plate and the second bottom plate to play a role between the first bottom plate and the second bottom plate, so that the shock absorber is convenient to support, when the shock absorber is installed, the supporting block is removed, through the method, the shock absorber is convenient to install and dismantle, the shock absorption performance is greatly reduced when the shock absorber is prevented from being used for a long time, so that the shock absorption effect in the working process is influenced, the arranged shock absorber plays a shock absorption role in the working process of the whole device, the service life of the device is prolonged, the flow of surrounding air is accelerated during vibration, so that the noise is increased, and the shock absorption has a certain noise, the noise reduction effect is played to the noise that the during operation produced through the whistle box that sets up, and the hush pipe absorbs the noise and fall and make an uproar, inhales the noise to the cavity of whistle box inside again, and the noise that produces when the amortization layer that at last rethread set up was to fan and motor operation weakens, and the damping, the performance of making an uproar is better, and it is more convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a novel low-frequency noise reduction device according to an embodiment of the present invention;
fig. 2 is a schematic view of a sound muffling box of a novel noise reduction device for low-frequency noise according to an embodiment of the present invention.
In the figure:
1. a first base plate; 2. a second base plate; 3. a shock absorber; 4. a square block; 5. a jack; 6. a first telescopic rod; 7. inserting plates; 8. a return spring; 9. a shock-absorbing layer; 10. a supporting seat; 11. an electric motor; 12. a fan; 13. a connector; 14. a sound silencing box; 15. a cavity; 16. a sound-deadening tube; 17. silencing cotton; 18. a sound-deadening layer; 19. penetrating a groove; 20. a second telescopic rod; 21. iron sheets; 22. a magnetic sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings and specific embodiments:
the first embodiment is as follows:
referring to fig. 1-2, a novel noise reduction device for low frequency noise according to an embodiment of the present invention comprises a first bottom plate 1 and a second bottom plate 2, wherein a plurality of dampers 3 are disposed between the first bottom plate 1 and the second bottom plate 2, the top ends of the plurality of dampers 3 contact the bottom end of the first bottom plate 1, the bottom ends of the plurality of dampers 3 contact the top end of the second bottom plate 2, two sets of blocks 4 are disposed between the plurality of dampers 3, two sets of blocks 4 are disposed, the blocks 4 of each set are respectively fixed on one side of the first bottom plate 1 corresponding to the one side of the second bottom plate 2, two sets of blocks 4 are respectively provided with insertion holes 5, first telescopic rods 6 are respectively fixed on both sides of the top ends of the plurality of dampers 3 and both sides of the bottom ends of the plurality of dampers 3, the other ends of the first telescopic rods 6 are respectively fixed with insertion plates 7 corresponding to the insertion holes 5, fixed reset spring 8 that is equipped with between picture peg 7 and the corresponding a plurality of bumper shock absorber 3, reset spring 8 cover is established on first telescopic link 6, 2 bottom mounting of second bottom plate are equipped with buffer layer 9, 1 fixed motor 11 and fan 12 of being equipped with respectively on the top of first bottom plate 1, install connector 13 on the first bottom plate 1, just motor 11 passes through connector 13 with fan 12 interconnect, 1 top of first bottom plate is equipped with whistle box 14, the inside cavity 15 that is equipped with of whistle box 14, whistle box 14 inboard be equipped with the communicating a plurality of whistle pipe 16 of cavity 15, 16 inner walls of a plurality of whistle pipe are all fixed to be pasted and are had the amortization cotton 17, the 15 inner walls of cavity are fixed with amortization layer 18, amortization layer 18 adopts EPDM rubber material.
Example two:
referring to fig. 1, for the blocks 4, two groups of blocks 4 are provided with through slots 19 communicated with the insertion holes 5.
Through the above technical scheme of the utility model, beneficial effect: the insertion groove 19 is provided corresponding to the insertion hole 5, and a thin rod is additionally provided to insert, and the insert plate 7 is pushed out, thereby facilitating replacement of the damper 3.
Example three:
referring to fig. 1, for the shock absorbing layer 9, the shock absorbing layer 9 is made of PE foam.
Example four:
referring to fig. 1, for the first bottom plate 1, a second telescopic rod 20 is fixedly connected to a side of the first bottom plate 1 corresponding to a side of the second bottom plate 2.
Through the above technical scheme of the utility model, beneficial effect: the second telescopic rod 20 ensures that the shaking of the bottom plate is reduced during working.
Example five:
referring to fig. 1, for a first bottom plate 1, iron sheets 21 are fixedly disposed at the bottom end of the first bottom plate 1 and at the top end of a second bottom plate 2, magnetic sheets 22 matched with the iron sheets are fixedly disposed at the bottom ends of a plurality of shock absorbers 3 and at the top ends of a plurality of shock absorbers 3, and a supporting mechanism is disposed between the first bottom plate 1 and the second bottom plate 2.
Through the above technical scheme of the utility model, beneficial effect: place bumper shock absorber 3 between first bottom plate 1 and second bottom plate 2, the magnetic sheet 22 on the bumper shock absorber 3 and the iron sheet 21 actuation on the bottom plate reduce when subsequent installation, play the effect of support to bumper shock absorber 3, through supporting mechanism before the installation to play the supporting role between the bottom plate, supporting mechanism for bracing piece, supporting shoe etc. have the article that support the effect can.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the shock absorber 3 is placed between the first bottom plate 1 and the second bottom plate 2, the reset spring 8 is manually pressed to shorten the reset spring 8, the inserting plate 7 corresponds to the inserting hole 5, the inserting plate 7 is inserted into the inserting hole 5 through the reset of the reset spring 8, so that the shock absorber 3 is installed, in safety, a supporting block is additionally arranged between the first bottom plate 1 and the second bottom plate 2 to play a role between the first bottom plate and the second bottom plate, so that the supporting is convenient to support, when the shock absorber 3 is installed, the supporting block is removed, by the method, the shock absorber 3 is convenient to install and disassemble, when the shock absorber 3 is used for a long time, the shock absorption performance is greatly reduced, so that the shock absorption effect in work is influenced, the arranged shock absorber 3 plays a shock absorption role in the work of the whole device, the service life of the device is prolonged, and the flow of ambient air is accelerated in the vibration process, thereby increase the noise, consequently the shock attenuation also has certain noise reduction effect simultaneously, the noise that produces the during operation through the whistle box 14 that sets up plays the effect of making an uproar of falling, 16 absorb the noise and fall the noise, inhale the noise to the cavity 15 inside of whistle box 14 again, the noise that produces when the noise damping layer 18 that the rethread set up was last in operation fan 12 and motor 11 weakens, the damping, the performance of making an uproar is better, it is more convenient to use.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A novel noise reduction device for low-frequency noise is characterized by comprising a first bottom plate (1) and a second bottom plate (2), wherein a plurality of shock absorbers (3) are arranged between the first bottom plate (1) and the second bottom plate (2), the top ends of the shock absorbers (3) are contacted with the bottom end of the first bottom plate (1), the bottom ends of the shock absorbers (3) are contacted with the top end of the second bottom plate (2), two groups of square blocks (4) are arranged between the shock absorbers (3), two groups of square blocks (4) are arranged, the square blocks (4) in each group are respectively fixed on one side of the first bottom plate (1) corresponding to the second bottom plate (2), jacks (5) are respectively arranged on the two groups of square blocks (4), first telescopic rods (6) are fixedly arranged on two sides of the top ends of the shock absorbers (3) and two sides of the bottom ends of the shock absorbers (3), the other end of the first telescopic rod (6) is fixedly provided with a plugboard (7) corresponding to the jack (5), a reset spring (8) is fixedly arranged between the plugboard (7) and a plurality of corresponding shock absorbers (3), the reset spring (8) is sleeved on the first telescopic rod (6), the bottom end of the second bottom plate (2) is fixedly provided with a shock absorption layer (9), a support seat (10) which is respectively fixed at the top end of the first bottom plate (1) is fixedly provided with a motor (11) and a fan (12), the first bottom plate (1) is provided with a connector (13), the motor (11) is connected with the fan (12) through the connector (13), the top end of the first bottom plate (1) is provided with a silencing box (14), a cavity (15) is arranged inside the silencing box (14), the inner side of the silencing box (14) is provided with a plurality of silencing tubes (16) communicated with the cavity (15), the inner walls of the silencing tubes (16) are fixedly adhered with silencing cotton (17), the inner wall of the cavity (15) is fixedly provided with a silencing layer (18), and the silencing layer (18) is made of EPDM rubber material.
2. A novel noise reduction device for low-frequency noise according to claim 1, characterized in that two sets of blocks (4) are provided with through grooves (19) communicated with the insertion holes (5).
3. A novel low frequency noise reducing device according to claim 1, wherein said shock absorbing layer (9) is made of PE foam.
4. A novel noise reduction device for low frequency noise according to claim 1, wherein a second telescopic rod (20) is fixedly connected to a corresponding side of the first bottom plate (1) and the second bottom plate (2).
5. A novel noise reduction device for low-frequency noise according to claim 1, wherein iron sheets (21) are fixedly arranged at the bottom end of the first bottom plate (1) and the top end of the second bottom plate (2), magnetic sheets (22) matched with the iron sheets are fixedly arranged at the bottom ends of the plurality of shock absorbers (3) and the top ends of the plurality of shock absorbers (3), and a supporting mechanism is arranged between the first bottom plate (1) and the second bottom plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867089.6U CN210859227U (en) | 2019-11-01 | 2019-11-01 | Novel noise reduction device for low-frequency noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867089.6U CN210859227U (en) | 2019-11-01 | 2019-11-01 | Novel noise reduction device for low-frequency noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210859227U true CN210859227U (en) | 2020-06-26 |
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ID=71302688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921867089.6U Active CN210859227U (en) | 2019-11-01 | 2019-11-01 | Novel noise reduction device for low-frequency noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210859227U (en) |
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2019
- 2019-11-01 CN CN201921867089.6U patent/CN210859227U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new low frequency noise reduction device Effective date of registration: 20230214 Granted publication date: 20200626 Pledgee: Bank of China Limited Wuhan Qingshan sub branch Pledgor: Hubei Zhongchuan Gas Co.,Ltd. Registration number: Y2023980032575 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |