CN220816081U - Big amount of wind double entry centrifugal fan - Google Patents
Big amount of wind double entry centrifugal fan Download PDFInfo
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- CN220816081U CN220816081U CN202322488564.1U CN202322488564U CN220816081U CN 220816081 U CN220816081 U CN 220816081U CN 202322488564 U CN202322488564 U CN 202322488564U CN 220816081 U CN220816081 U CN 220816081U
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- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 3
- 230000003584 silencer Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect 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 large-air-volume double-air-inlet centrifugal fan which comprises a fan body and a bottom plate, wherein a plurality of sleeves are fixedly connected to the outer wall of the bottom plate, a fixed plate is respectively connected with the sleeves through a connecting mechanism, the fixed plate is connected with the fan body through bolts, a piston is slidably connected to the inner wall of the sleeve, a first spring is fixedly connected to the outer wall of the piston, a pin is slidably connected to the outer wall of the sleeve, an elastic mechanism is arranged on the outer wall of the pin, and a device block is fixedly connected to the outer wall of the sleeve. According to the utility model, by arranging the pin, the piston, the sleeve and other devices, the piston and the first spring are limited by the arranged pin, so that the piston is prevented from sliding out of the sleeve due to the vibration amplitude process during use, and meanwhile, the pin can be pulled out to release the limitation of the pin, so that the first spring and the piston can be replaced, and compared with the mode of replacing all components, the buffer component replacement cost of the device is lower.
Description
Technical Field
The utility model relates to the technical field of centrifugal fans, in particular to a large-air-quantity double-air-inlet centrifugal fan.
Background
Centrifugal fans are machines that rely on input mechanical energy to increase gas pressure and discharge gas, which is a driven fluid machine, and are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings.
At present, a large-air-volume double-air-inlet centrifugal fan has certain defects, such as a double-air-inlet centrifugal fan provided by patent application number CN202220457743.1, when the device is used, through being provided with a buffer device and a silencer, the wind noise is effectively reduced after passing through a first silencer and a second silencer, the vibration of the fan during working is further reduced, and the buffer device is arranged, so that the whole vibration of the fan can be buffered, the fan is prevented from being damaged due to direct and rigid contact with the ground or a wall surface, certain defects exist during actual use, the buffer mechanism adopts a spring, after a period of use, the spring can be deformed by metal, and the spring is fixedly connected with the device, during replacement, the whole needs to be replaced, and the cost is high during replacement, so that the large-air-volume double-air-inlet centrifugal fan is required to be redesigned according to the problems.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a large-air-volume double-air-inlet centrifugal fan.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a big amount of wind double wind centrifugal fan, includes fan body and bottom plate, bottom plate outer wall fixedly connected with a plurality of sleeves, a plurality of the sleeve is connected with the fixed plate through coupling mechanism respectively, the fixed plate passes through bolt and fan body coupling, sleeve inner wall sliding connection has the piston, piston outer wall fixedly connected with first spring, sleeve outer wall sliding connection has the pin, elastic mechanism is installed to the pin outer wall, sleeve outer wall fixedly connected with device piece.
Preferably, the connecting mechanism comprises a connecting rod fixedly connected to the outer wall of the piston, and one end, far away from the piston, of the connecting rod is fixedly connected with the fixing plate.
Preferably, the elastic mechanism comprises a second spring fixedly connected to the outer wall of the pin, and one end, far away from the pin, of the second spring is fixedly connected with the sleeve.
Preferably, the outer wall of the device block is provided with an air groove which is communicated with the inside of the sleeve.
Preferably, the outer wall of the device block is rotationally connected with a baffle, the outer wall of the device block is annular, and the outer wall of the baffle is fan-shaped.
Preferably, the outer wall of the bottom plate is in threaded connection with two screws, and the two screws are symmetrically distributed on the outer wall of the bottom plate.
The utility model has the following beneficial effects:
According to the utility model, by arranging the pin, the piston, the sleeve and other devices, the piston and the first spring are limited by the arranged pin, so that the piston is prevented from sliding out of the sleeve due to the vibration amplitude process during use, and meanwhile, the pin can be pulled out to release the limitation of the pin, so that the first spring and the piston can be replaced, and compared with the mode of replacing all components, the buffer component replacement cost of the device is lower.
2. According to the utility model, by arranging the first spring, the piston, the baffle and other devices, the vibration of the fan body can be buffered through the first spring by using the first spring and the piston, the piston is synchronously driven to slide in the sleeve, and a certain resistance is provided when the piston slides, so that the acting force generated by the vibration is further relieved.
Drawings
FIG. 1 is a schematic diagram of a large air volume double air intake centrifugal fan;
Fig. 2 is a cross-sectional view of the sleeve of fig. 1.
Fig. 3 is a schematic diagram of the device block in fig. 1.
In the figure: 1 fan body, 2 bolts, 3 fixed plates, 4 bottom plates, 5 sleeves, 6 connecting rods, 7 screws, 8 pins, 9 second springs, 10 pistons, 11 first springs, 12 device blocks, 13 air grooves and 14 baffles.
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.
Referring to fig. 1-3, a large-air-volume double-air-intake centrifugal fan comprises a fan body 1 and a bottom plate 4, wherein the outer wall of the bottom plate 4 is fixedly connected with a plurality of sleeves 5, the plurality of sleeves 5 are respectively connected with a fixing plate 3 through a connecting mechanism, the fixing plate 3 is connected with the fan body 1 through bolts 2, the inner wall of each sleeve 5 is slidably connected with a piston 10, the outer wall of each piston 10 is fixedly connected with a first spring 11, the outer wall of each sleeve 5 is slidably connected with a pin 8, the outer wall of each pin 8 is provided with an elastic mechanism, the outer wall of each sleeve 5 is fixedly connected with a device block 12, and the connecting mode, the mounting means and the technical function of the fan body 1 are all mature technologies and are irrelevant to the design purpose of the scheme, so that detailed description is omitted.
The connecting mechanism comprises a connecting rod 6 fixedly connected to the outer wall of a piston 10, one end, far away from the piston 10, of the connecting rod 6 is fixedly connected with a fixed plate 3, the elastic mechanism comprises a second spring 9 fixedly connected to the outer wall of a pin 8, one end, far away from the pin 8, of the second spring 9 is fixedly connected with a sleeve 5, an air groove 13 is formed in the outer wall of a device block 12, the air groove 13 is communicated with the inside of the sleeve 5, a baffle 14 is rotationally connected to the outer wall of the device block 12, the outer wall of the device block 12 is annular, the outer wall of the baffle 14 is fan-shaped, two screws 7 are in threaded connection with the outer wall of a bottom plate 4, the two screws 7 are symmetrically distributed on the outer wall of the bottom plate 4, and the connecting rod 6 is required to be arranged to be disassembled, and meanwhile, when the connecting rod 6 slides in the sleeve 5, the piston 10 and the first spring 11 are driven to slide.
In the utility model, when the device is used, vibration of the fan body 1 is transmitted to the fixed plate 3, the fixed plate 3 drives the connecting rod 6 and the end part thereof to slide back and forth in the sleeve 5, in the sliding process, the first spring 11 can be used for reducing the direct acting force from the vibration, meanwhile, the piston 10 has a certain resistance when sliding, the acting force of the vibration is further reduced, the service life of the fan body 1 is prolonged, meanwhile, the position of the baffle 14 can be adjusted to adjust the notch width of the air groove 13, so that the sliding resistance of the piston 10 can be adjusted, further, the adjustment can be carried out at any time according to different vibration amplitudes of the fan body 1, when the piston 10 and the first spring 11 are worn, the pin 8 can be pulled outwards, the limit on the piston 10 and the first spring 11 is further released, so that the piston 10 and the first spring 11 and the piston 10 are separated from the sleeve 5 can be replaced, and compared with the mode of replacing all components, the device has greatly reduced cost.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a big amount of wind double wind centrifugal fan, includes fan body (1) and bottom plate (4), its characterized in that, bottom plate (4) outer wall fixedly connected with a plurality of sleeve (5), a plurality of sleeve (5) are connected with fixed plate (3) through coupling mechanism respectively, fixed plate (3) are connected with fan body (1) through bolt (2), sleeve (5) inner wall sliding connection has piston (10), piston (10) outer wall fixedly connected with first spring (11), sleeve (5) outer wall sliding connection has pin (8), elastic mechanism is installed to pin (8) outer wall, sleeve (5) outer wall fixedly connected with device piece (12).
2. The large-air-volume double-air-inlet centrifugal fan according to claim 1, wherein the connecting mechanism comprises a connecting rod (6) fixedly connected to the outer wall of the piston (10), and one end, far away from the piston (10), of the connecting rod (6) is fixedly connected with the fixed plate (3).
3. The large-air-volume double-air-inlet centrifugal fan according to claim 2, wherein the elastic mechanism comprises a second spring (9) fixedly connected to the outer wall of the pin (8), and one end, far away from the pin (8), of the second spring (9) is fixedly connected with the sleeve (5).
4. A large-air-volume double-air-inlet centrifugal fan according to claim 3, wherein an air groove (13) is formed in the outer wall of the device block (12), and the air groove (13) is communicated with the inside of the sleeve (5).
5. The large-air-volume double-air-inlet centrifugal fan according to claim 4, wherein the outer wall of the device block (12) is rotatably connected with a baffle plate (14), the outer wall of the device block (12) is annular, and the outer wall of the baffle plate (14) is fan-shaped.
6. The large-air-volume double-air-inlet centrifugal fan according to claim 5, wherein two screws (7) are connected to the outer wall of the bottom plate (4) in a threaded mode, and the two screws (7) are symmetrically distributed on the outer wall of the bottom plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322488564.1U CN220816081U (en) | 2023-09-13 | 2023-09-13 | Big amount of wind double entry centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322488564.1U CN220816081U (en) | 2023-09-13 | 2023-09-13 | Big amount of wind double entry centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220816081U true CN220816081U (en) | 2024-04-19 |
Family
ID=90673259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322488564.1U Active CN220816081U (en) | 2023-09-13 | 2023-09-13 | Big amount of wind double entry centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220816081U (en) |
-
2023
- 2023-09-13 CN CN202322488564.1U patent/CN220816081U/en active Active
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