CN220060042U - Low-noise centrifugal pipeline fan - Google Patents
Low-noise centrifugal pipeline fan Download PDFInfo
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- CN220060042U CN220060042U CN202321401624.5U CN202321401624U CN220060042U CN 220060042 U CN220060042 U CN 220060042U CN 202321401624 U CN202321401624 U CN 202321401624U CN 220060042 U CN220060042 U CN 220060042U
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- pipeline fan
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- centrifugal pipeline
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- 230000009467 reduction Effects 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000035939 shock Effects 0.000 claims abstract description 19
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- 238000013016 damping Methods 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a low-noise centrifugal pipeline fan, in particular to the technical field of noise reduction of the centrifugal pipeline fan, which comprises a shock absorption plate, wherein a centrifugal pipeline fan body is fixedly arranged on the upper surface of the shock absorption plate, a shock absorption and noise reduction mechanism is arranged right below the shock absorption plate and comprises symmetrically distributed connecting plates, the connecting plates are fixedly arranged on two sides of the lower surface of the shock absorption plate, symmetrically distributed fixing plates are fixedly arranged at two ends of the lower surface of the connecting plates, and a first rotating rod is arranged on one side of the fixing plate.
Description
Technical Field
The utility model relates to the technical field of noise reduction of centrifugal pipeline fans, in particular to a low-noise centrifugal pipeline fan.
Background
In the age of rapid industrial development nowadays, the number of factories is increased, a lot of polluted gas can be generated in the production and manufacture of the factories, and the centrifugal pipeline fan is widely used for ventilation of the factories, so that the polluted gas is discharged outdoors, and the harm of the polluted gas to human bodies is reduced;
however, the existing centrifugal pipeline fan has larger vibration force when in use, so that the vibration collision of the machine body generates larger noise, the surrounding environment is polluted greatly, the abrasion of parts is accelerated, and the service life of the centrifugal pipeline fan is shortened;
in the running process of the conventional centrifugal pipeline fan, air flow entering the fan at high speed can vibrate at an air inlet to form noise, and also can generate great noise pollution;
for this purpose, we propose a low noise centrifugal pipeline fan to solve the above problems.
Disclosure of Invention
The utility model aims to provide a low-noise centrifugal pipeline fan so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the low-noise centrifugal pipeline fan comprises a damping plate, wherein a centrifugal pipeline fan body is fixedly arranged on the upper surface of the damping plate, and a damping and noise reducing mechanism is arranged right below the damping plate;
the damping and noise reducing mechanism comprises symmetrically distributed connecting plates, wherein the connecting plates are fixedly arranged on two sides of the lower surface of the damping plate, symmetrically distributed fixing plates are fixedly arranged at two ends of the lower surface of the connecting plates, a first rotating rod is arranged at one side of each fixing plate, the fixing plates are rotatably arranged at one ends of the moving blocks and the first rotating rods, a rotating plate is rotatably arranged at one ends of the first rotating rods, which are far away from the fixing plates, a second rotating rod is arranged at one ends of the rotating plates, which are far away from the rotating plates, a moving block is rotatably arranged at one ends of the second rotating rods, a bearing plate is arranged under the connecting plates, symmetrically distributed sliding rods are arranged right above the bearing plate, fixing blocks are fixedly arranged at two ends of each sliding rod, the bottom ends of each fixing block are fixedly arranged on the upper surface of each bearing plate, each moving block is slidably arranged on the outer sides of each sliding rod, springs are arranged at the outer sides of the two ends of each sliding rod and the opposite sides of each moving block, dampers are fixedly arranged at four corners of the upper surface of each bearing plate, and the lower surface of each damper is fixedly arranged on the connecting plate;
the centrifugal pipeline fan comprises a centrifugal pipeline fan body, and is characterized in that a first noise reduction barrel is fixedly arranged at an air inlet of the centrifugal pipeline fan body, and noise reduction cotton is fixedly arranged at the inner side of the first noise reduction barrel.
Preferably, the first noise reduction barrel is fixedly provided with a second isolation plate at one end far away from the centrifugal pipeline fan body.
Preferably, a first isolation plate is fixedly arranged at the air outlet of the centrifugal pipeline fan body.
Preferably, the stabilizer plate is fixedly arranged on two sides of the outer part of the centrifugal pipeline fan body, and the bottom end of the stabilizer plate is fixedly arranged on the upper surface of the shock absorption plate.
Preferably, fixing plates are fixedly arranged at four corners of the lower surface of the bearing plate.
Preferably, the centrifugal pipeline fan body is far away from the outside one side of the first noise reduction barrel and is fixedly provided with a motor, the driving end of the motor is fixedly provided with the driving end of the centrifugal pipeline fan body, and the outside of the motor is fixedly provided with the second noise reduction barrel.
Compared with the prior art, the utility model has the beneficial effects that:
1. through having set up vibration/noise reduction mechanism and attenuator to reached the vibration force that centrifugal pipeline fan body produced when the operation and transmitted attenuator and vibration/noise reduction mechanism, attenuator and vibration/noise reduction mechanism cushion vibration force, avoided centrifugal pipeline fan body to vibrate violently and produce great noise when the operation.
2. Through setting up the first bucket of making an uproar and making an uproar cotton of making an uproar that falls, thereby reached when the air intake of centrifugal pipeline fan body is at the operation, reduced the noise intensity that produces at the during operation air intake to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a schematic diagram of a shock absorbing and noise reducing mechanism according to the present utility model.
Fig. 3 is a schematic diagram of a connection structure between a second noise reduction barrel and a centrifugal pipeline fan body in the utility model.
Fig. 4 is a schematic diagram of a connection structure between a first noise reduction barrel and noise reduction cotton in the present utility model.
Fig. 5 is a schematic structural view of a second noise reduction barrel according to the present utility model.
In the figure: 1. a shock absorbing plate; 2. a centrifugal pipeline fan body; 3. a connecting plate; 4. a first noise reduction barrel; 5. a first partition plate; 6. a stabilizing plate; 7. a fixed plate; 8. a motor; 9. a second noise reduction barrel; 10. a damper; 31. a fixing plate; 32. a first rotating lever; 33. a rotating plate; 34. a second rotating rod; 35. a moving block; 36. a fixed block; 37. a slide bar; 38. a spring; 39. a bearing plate; 41. noise reduction cotton; 410. and a second partition plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: as shown in fig. 1-5, the utility model provides a low-noise centrifugal pipeline fan, which comprises a shock absorption plate 1, wherein a centrifugal pipeline fan body 2 is fixedly arranged on the upper surface of the shock absorption plate 1, and a shock absorption and noise reduction mechanism is arranged right below the shock absorption plate 1.
The damping and noise reducing mechanism comprises symmetrically distributed connecting plates 3, wherein the connecting plates 3 are fixedly arranged on two sides of the lower surface of a damping plate 1, symmetrically distributed fixing plates 31 are fixedly arranged at two ends of the lower surface of the connecting plates 3, a first rotating rod 32 is arranged on one side of each fixing plate 31, each fixing plate 31 is rotatably arranged with one end of each first rotating rod 32, one end of each first rotating rod 32 far away from each fixing plate 31 is rotatably provided with a rotating plate 33, one end of each rotating plate 33 far away from each first rotating rod 32 is provided with a second rotating rod 34, each rotating plate 33 is rotatably arranged with one end of each second rotating rod 34, one end of each second rotating rod 34 far away from each rotating plate 33 is rotatably provided with a moving block 35, a bearing plate 39 is arranged under each connecting plate 3, symmetrically distributed sliding rods 37 are arranged right above each bearing plate 39, two ends of each sliding rod 37 are fixedly provided with a fixing block 36, the bottom ends of each fixing block 36 are fixedly arranged with the upper surface of each bearing plate 39, the outer sides of each moving block 35 and 37 are slidably arranged, the outer sides of each sliding rod 37 are provided with a spring 38, one end of each sliding rod 38 is rotatably arranged with a damper 10, and the two ends of each damper 10 are fixedly arranged on the upper surface of each bearing plate 10; when the low-noise centrifugal pipeline fan is used, the vibration plate 1 is driven to vibrate under the action of vibration force generated when the centrifugal pipeline fan body 2 is used, the vibration plate 1 moves downwards under the action of vibration, the vibration plate 1 drives the connecting plate 3 to move downwards, the connecting plate 3 drives the fixing plate 31 to move downwards, the rotating plate 33 rotates downwards under the action of the fixing plate 31, the moving block 35 moves oppositely on the sliding rod 37 under the action of rotation of the rotating plate 33 to enable the spring 38 to shrink, when the spring 38 shrinks to a certain limit, the spring 38 can rebound, the moving block 35 moves reversely under the action of the rebound force of the spring 38, the rotating plate 33 rotates upwards under the action of the reverse movement of the moving block 35, the rotating plate 33 drives the fixing plate 31 to upwards, the connecting plate 3 drives the vibration plate 1 to upwards move, the centrifugal pipeline fan body 2 is driven to upwards move through the vibration force generated when the centrifugal pipeline fan body 2 is operated, the vibration force generated when the centrifugal pipeline fan body is transmitted to the damper 10 and the noise reduction mechanism is in a certain limit, and the vibration force generated when the vibration reduction mechanism and the vibration reduction mechanism are operated, and the vibration reduction fan body is prevented from generating great vibration noise when the vibration reduction mechanism and the vibration reduction fan is operated.
A first noise reduction barrel 4 is fixedly arranged at the air inlet of the centrifugal pipeline fan body 2, and noise reduction cotton 41 is fixedly arranged on the inner side of the first noise reduction barrel 4; through setting up first barrel 4 of making an uproar and making an uproar 41 falls to reached when the air intake of centrifugal pipeline fan body 2 is in the operation, reduced the noise intensity that produces at the during operation air intake to a certain extent.
A second isolation plate 410 is fixedly arranged at one end of the first noise reduction barrel 4 far away from the centrifugal pipeline fan body 2; through having set up the second division board 410 to reached and prevented that solid form object from entering into centrifugal pipeline fan body 2 through the air intake, avoided the solid form object that drops when using to collide with the part of centrifugal pipeline fan body 2 and produce the noise.
A first isolation plate 5 is fixedly arranged at the air outlet of the centrifugal pipeline fan body 2; through setting up first division board 5 to reached and prevented that solid form object from entering into centrifugal pipeline fan body 2 through the air outlet, avoided the solid form object that drops when using to collide with the part of centrifugal pipeline fan body 2 and produce the noise.
The two sides of the outside of the centrifugal pipeline fan body 2 are fixedly provided with stabilizing plates 6, and the bottom ends of the stabilizing plates 6 are fixedly arranged on the upper surface of the shock absorbing plate 1; through setting up stabilizer plate 6 to strengthen the fixed effect between centrifugal pipeline fan body 2 and the shock attenuation board 1.
The four corners of the lower surface of the bearing plate 39 are fixedly provided with fixing plates 7; through having set up fixed disk 7, through fixed disk 7 and ground fixed mounting when using to reached when using a low noise centrifugal pipeline fan, vibration/noise reduction mechanism can be better make an uproar to it falls.
A motor 8 is fixedly arranged on one side, far away from the outer part of the first noise reduction barrel 4, of the centrifugal pipeline fan body 2, the driving end of the motor 8 is fixedly arranged with the driving end of the centrifugal pipeline fan body 2, and a second noise reduction barrel 9 is fixedly arranged on the outer part of the motor 8; through setting up the first bucket of making an uproar 4 that falls to reached when using motor 8, can reduce the noise that motor 8 produced to a certain extent.
Working principle: firstly, when a low-noise centrifugal pipeline fan is used, the vibration plate 1 is driven to vibrate under the action of vibration force generated by the centrifugal pipeline fan body 2 during use, the vibration plate 1 drives the connecting plate 3 to move downwards under the action of vibration, the connecting plate 3 drives the fixing plate 31 to move downwards, the rotating plate 33 rotates downwards under the action of the fixing plate 31, the moving block 35 moves oppositely on the sliding rod 37 under the action of the rotating plate 33 to enable the spring 38 to shrink, when the spring 38 shrinks to a certain limit, the spring 38 can rebound due to the action force of the spring 38, the moving block 35 moves reversely under the action force of the spring 38 rebound, the rotating plate 33 rotates upwards under the action force of the reverse movement of the moving block 35, the rotating plate 33 drives the fixing plate 31 to move upwards, the connecting plate 3 drives the vibration plate 1 to move upwards, the vibration plate 1 drives the centrifugal pipeline fan body 2 to move upwards to buffer and damp and reduce vibration, and the vibration force generated by the centrifugal pipeline fan body 2 is transmitted to the noise reduction mechanism 10 and the noise reduction mechanism 10 when the centrifugal pipeline fan body runs, and the vibration reduction mechanism is prevented from generating large vibration and noise reduction and vibration reduction when the vibration reduction mechanism is operated;
subsequently, when the air inlet of the centrifugal pipeline fan body 2 is in operation, the noise intensity generated by the air inlet during operation is reduced to a certain extent by the first noise reduction barrel 4 and the noise reduction cotton 41.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a low noise centrifugal pipeline fan, includes shock attenuation board (1), its characterized in that: the centrifugal pipeline fan body (2) is fixedly arranged on the upper surface of the shock absorption plate (1), and a shock absorption and noise reduction mechanism is arranged right below the shock absorption plate (1);
the damping and noise reducing mechanism comprises symmetrically distributed connecting plates (3), the connecting plates (3) are fixedly arranged on two sides of the lower surface of a damping plate (1), symmetrically distributed fixing plates (31) are fixedly arranged at two ends of the lower surface of the connecting plates (3), one side of each fixing plate (31) is provided with a first rotating rod (32), one ends of each fixing plate (31) and one end of each first rotating rod (32) are rotatably arranged, one ends of each first rotating rod (32) far away from the fixing plates (31) are rotatably arranged with rotating plates (33), one ends of each rotating plate (33) far away from the first rotating rods (32) are provided with second rotating rods (34), one ends of each rotating plate (33) and one end of each second rotating rod (34) are rotatably arranged with moving blocks (35), a bearing plate (39) is arranged under each connecting plate (3), two ends of each sliding rod (37) are rotatably arranged right above each bearing plate (39), two ends of each sliding rod (37) are fixedly arranged with fixing blocks (36), the bottom ends of each second rotating rod (34) far away from one end of each rotating plate (33) and one end of each second rotating plate (33) are rotatably arranged with one moving block (35), two ends of the spring (38) are fixedly arranged on opposite sides of the moving block (35), dampers (10) are fixedly arranged at four corners of the upper surface of the bearing plate (39), and the top ends of the dampers (10) are fixedly arranged on the lower surface of the connecting plate (3);
the centrifugal pipeline fan comprises a centrifugal pipeline fan body (2), and is characterized in that a first noise reduction barrel (4) is fixedly arranged at an air inlet of the centrifugal pipeline fan body (2), and noise reduction cotton (41) is fixedly arranged at the inner side of the first noise reduction barrel (4).
2. A low noise centrifugal ducted fan in accordance with claim 1, wherein: and a second isolation plate (410) is fixedly arranged at one end, far away from the centrifugal pipeline fan body (2), of the first noise reduction barrel (4).
3. A low noise centrifugal ducted fan in accordance with claim 1, wherein: the air outlet of the centrifugal pipeline fan body (2) is fixedly provided with a first isolation plate (5).
4. A low noise centrifugal ducted fan in accordance with claim 1, wherein: the centrifugal pipeline fan is characterized in that stabilizing plates (6) are fixedly arranged on two sides of the outer portion of the centrifugal pipeline fan body (2), and the bottom ends of the stabilizing plates (6) are fixedly arranged on the upper surface of the shock absorbing plate (1).
5. A low noise centrifugal ducted fan in accordance with claim 1, wherein: and fixing plates (7) are fixedly arranged at four corners of the lower surface of the bearing plate (39).
6. A low noise centrifugal ducted fan in accordance with claim 1, wherein: the centrifugal pipeline fan body (2) is far away from the outside one side fixed mounting of first barrel (4) of making an uproar that falls, the drive end of motor (8) and the drive end fixed mounting of centrifugal pipeline fan body (2), the outside fixed mounting of motor (8) has barrel (9) of making an uproar that falls of second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321401624.5U CN220060042U (en) | 2023-06-02 | 2023-06-02 | Low-noise centrifugal pipeline fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321401624.5U CN220060042U (en) | 2023-06-02 | 2023-06-02 | Low-noise centrifugal pipeline fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220060042U true CN220060042U (en) | 2023-11-21 |
Family
ID=88751128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321401624.5U Active CN220060042U (en) | 2023-06-02 | 2023-06-02 | Low-noise centrifugal pipeline fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220060042U (en) |
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2023
- 2023-06-02 CN CN202321401624.5U patent/CN220060042U/en active Active
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