CN221074671U - Gas pressurizing centrifugal fan - Google Patents
Gas pressurizing centrifugal fan Download PDFInfo
- Publication number
- CN221074671U CN221074671U CN202322857573.3U CN202322857573U CN221074671U CN 221074671 U CN221074671 U CN 221074671U CN 202322857573 U CN202322857573 U CN 202322857573U CN 221074671 U CN221074671 U CN 221074671U
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- sliding blocks
- casing
- centrifugal fan
- shaped frames
- sliding
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- 239000000428 dust Substances 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000009467 reduction Effects 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000013016 damping Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Abstract
The utility model provides a gas pressurizing type centrifugal fan which comprises a casing, wherein a rotating shaft is rotatably arranged in the casing of the casing, a fan is arranged in the middle of the rotating shaft, the fan rotating shafts are connected through keys, an air outlet is formed in the side end of the casing, an air inlet is formed in the upper end of the casing, a first dust screen is fixedly arranged at the top of the air inlet, and an elastic mechanism is arranged at the bottom of the casing. The gas pressurized centrifugal fan provided by the utility model not only can reduce the noise of the gas pressurized centrifugal fan and increase the work enthusiasm of workers, but also can perform the damping function on the gas pressurized centrifugal fan, so that the single working cycle is prolonged, and the overall use effect and use efficiency are improved.
Description
Technical Field
The utility model belongs to the technical field of centrifugal fans, and particularly relates to a gas pressurization type centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which is widely used for ventilation, dust discharge and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induced air of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household appliances, drying and selection of grains, inflation and propulsion of wind tunnel wind sources and air cushion ships and the like, and the gas pressurizing centrifugal fan is a device for increasing the pressure of gas, and pressurizes and discharges the gas entering the fan through centrifugal force so as to meet specific pressure requirements.
The existing gas pressurized centrifugal fan can generate a large amount of noise and vibration in the running process, and the generated vibration and noise can affect the human body, so that the enthusiasm of workers is affected, and the connection of the structure is loosened, so that the overall use effect and the use result are affected.
Disclosure of utility model
In view of the defects in the prior art, the utility model provides the gas pressurized centrifugal fan, which not only can reduce the noise of the gas pressurized centrifugal fan and increase the work enthusiasm of workers, but also can perform the shock absorption function on the gas pressurized centrifugal fan, thereby prolonging the single period of work and further improving the overall use effect and use efficiency.
In order to solve the technical problems, the technical scheme adopted by the utility model is that the gas pressurized centrifugal fan comprises a shell, a rotating shaft is rotatably arranged in the shell of the shell, a fan is arranged in the middle of the rotating shaft, the rotating shafts of the fan are connected through keys, an air outlet is formed in the side end of the shell, an air inlet is formed in the upper end of the shell, a first dust screen is fixedly arranged at the top of the air inlet, and an elastic mechanism is arranged at the bottom of the shell.
As a further improvement of the utility model, the elastic mechanism comprises a connecting platform arranged at the bottom of the casing, the connecting platform is in welded connection with the casing, the bottoms of the connecting platform are respectively provided with a first U-shaped frame along the front-back direction, the bottoms of the two first U-shaped frames are in welded connection with the connecting platform, the side ends of the two first U-shaped frames are provided with first round holes, the middle parts of the two first U-shaped frames are respectively hinged with connecting rods, the two ends of the two connecting rods are respectively provided with second round holes, the other ends of the two connecting rods are respectively hinged with a second U-shaped frame, the side parts of the two second U-shaped frames are provided with third round holes, the bottoms of the two second U-shaped frames are respectively provided with sliding blocks, the side ends of the two sliding blocks are respectively connected with the two second U-shaped frames through welding, the bottoms of the two sliding blocks are jointly provided with sliding grooves, the sliding grooves are externally provided with fixed blocks containing the sliding grooves, the front ends and the rear ends of the fixed rods are respectively sleeved with a first spring, the middle part of the fixed rods is sleeved with a second round hole, the bottom plate is respectively provided with a second spring, the bottoms of the two sliding blocks are respectively arranged at the two sides of the bottom plates are respectively provided with sliding grooves, the left side bodies and the two sliding bodies are respectively arranged at the two sides of the two sliding bodies are respectively, and the two sliding bodies are respectively arranged at the left sides and the two sliding bodies are respectively.
As a further improvement of the utility model, the bottom of the bottom plate is provided with a box bottom sleeved outside, the side end of the box is provided with a vent, the top of the box is provided with a box door, the right side end of the box door is provided with a hinge connected with the box, the inside of the box is provided with a sound insulation plate, the inner side wall of the box is provided with a noise reduction device, the box door is provided with a second dustproof net, and the right side end of the top of the box door is provided with a handle.
Compared with the prior art, the utility model has the following beneficial effects:
The centrifugal machine comprises a shell, and is characterized in that a connecting platform is arranged at the bottom of the shell, first U-shaped frames are arranged at the bottom of the connecting platform, connecting rods are hinged to the middle parts of the two first U-shaped frames respectively, second U-shaped frames are arranged at the other ends of the two connecting rods, sliding blocks are arranged at the bottoms of the two second U-shaped frames respectively, the sliding blocks are arranged inside sliding grooves, fixing rods are further arranged inside the sliding grooves, springs I are arranged on the front side and the rear side of the fixing rods respectively, springs II are arranged in the middle of the fixing rods, vibration generated when the centrifugal machine starts to run is transmitted to the connecting rods through the platform and is transmitted to the sliding blocks through the connecting rods, at the moment, the sliding blocks move left and right through the fixing rods, and force of the left and right movement is converted into elastic force through the springs and is converted into power of up-down movement of the device.
And secondly, the top of the shell is provided with a first dustproof net, and dust is prevented from entering the shell by the arrangement of the first dustproof net, so that the integral operation of the device is influenced.
Third, the top of chamber door is provided with the second dust screen, and the top right side of chamber door is provided with the hinge, can open the chamber door through the handle when the dust is collected on the second dust screen to can hit down the dust, and conveniently look over the inside condition of box.
Fourth, be provided with noise reducer on the inside lateral wall of box, thereby noise reducer's setting can follow inside noise reduction device's noise and improve operational environment, and the inside of box is provided with the acoustic celotex board, thereby the setting of acoustic celotex board can secondary noise reduction improves workman's work enthusiasm.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the case of the present utility model;
FIG. 3 is a schematic diagram of a top view of the present utility model;
Fig. 4 is a schematic structural diagram of a noise reduction device according to the present utility model.
In the figure: 101. a housing; 102. an air inlet; 103. an air outlet; 104. a rotation shaft; 105. a fan; 106. a first dust screen; 107. a connecting platform; 108. a first U-shaped frame; 109. a connecting rod; 110. a second U-shaped frame; 111. a slide block; 112. a fixed block; 113. a chute; 114. a fixed rod; 115. a first spring; 116. a second spring; 201. a support rod; 202. a slide body; 203. a bottom plate; 204. a case; 205. a vent; 206. a door; 207. a hinge; 208. a second dust screen; 209. a handle; 210. noise reduction means.
Detailed Description
For a better understanding of the present utility model, the following examples are set forth to further illustrate the utility model, but are not to be construed as limiting the utility model. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details.
As shown in fig. 1, the gas pressurizing centrifugal fan comprises a casing 101, a rotary shaft 104 is rotatably arranged in the casing 101 of the casing 101, a fan 105 is arranged in the middle of the rotary shaft 104, the rotary shafts 104 of the fan 105 are connected through keys, an air outlet 103 is arranged at the side end of the casing 101, an air inlet 102 is arranged at the upper end of the casing 101, a first dust screen 106 is fixedly arranged at the top of the air inlet 102, and an elastic mechanism is arranged at the bottom of the casing 101.
As shown in fig. 1 and 2, the elastic mechanism includes a connection platform 107 disposed at the bottom of the casing 101, a first U-shaped frame 108 is disposed at the bottom of the connection platform 107 along the front-rear direction, two first U-shaped frames 108 are connected with the connection platform 107 by welding, first round holes are disposed at the side ends of the two first U-shaped frames 108, connecting rods 109 are respectively disposed at the middle parts of the two first U-shaped frames 108 in a hinged manner, second round holes are disposed at the two ends of the two connecting rods 109 respectively, second U-shaped frames 110 are respectively disposed at the other ends of the two connecting rods 109 in a hinged manner, sliding blocks 111 are disposed at the bottoms of the two second U-shaped frames 110 respectively, fourth round holes are disposed at the side ends of the two sliding blocks 111 respectively, sliding blocks 111 are connected with the two second U-shaped frames 110 by welding, sliding blocks 113 are disposed at the bottoms of the two sliding blocks 111 together, fixing blocks 112 containing sliding blocks 113 are disposed outside the sliding blocks 113, supporting rods 114 penetrating through the two fourth round holes are disposed inside the sliding blocks, supporting rods 114 are disposed at the two bottoms of the two sliding blocks 202, two sliding blocks 114 are disposed at the two sides of the bottoms of the two sliding blocks, two sliding blocks 114 are disposed at the bottoms of the two sliding blocks 101 respectively, two sliding blocks are disposed at the bottoms of the two sliding blocks 201, two sliding blocks 114 are disposed at the bottoms of the two sliding blocks are disposed at the bottoms of the two sides of the two sliding blocks respectively, and the two sliding blocks are disposed at the bottoms of the two sliding blocks 114 and the two sliding blocks 114 are disposed at the bottoms of the two sides of the two sliding blocks and the two sliding blocks respectively, and the two sliding blocks are respectively and the two sliding blocks are respectively and the two and are respectively and the two sliding blocks and are respectively and mounted.
As shown in fig. 1 and 3, the bottom of the bottom plate 203 is provided with a bottom of a box 204 sleeved outside, a side end of the box 204 is provided with a ventilation opening 205, a top of the box 204 is provided with a box door 206, a right side end of the box door 206 is provided with a hinge 207 connected with the box 204, a sound insulation plate is arranged inside the box 204, a noise reduction device 210 is arranged on an inner side wall of the box 204, a second dust screen 208 is arranged on the box door 206, and a handle 209 is arranged at the right side end of the top of the box door 206.
The user can see at first that the bottom of casing 101 is provided with connection platform 107, the bottom of connection platform 107 is provided with first U-shaped frame 108, the middle part of two first U-shaped frames 108 articulates respectively and is provided with connecting rod 109, the other end of two connecting rods 109 is provided with second U-shaped frame 110, the bottom of two second U-shaped frames 110 is provided with slider 111 respectively, slider 111 sets up the inside at spout 113, the inside of spout 113 still is provided with dead lever 114, the front and back both sides of dead lever 114 are provided with spring one 115 respectively, the middle part of dead lever 114 is provided with spring two 116, the vibrations that produce when the centrifuge begins the operation will be transmitted to connecting rod 109 through the platform, and on being transmitted to slider 111 through connecting rod 109, slider 111 is through the motion about dead lever 114, at this moment the power of controlling the motion is converted into elastic force through the spring, thereby the power of device that reciprocates, the top of casing 101 is provided with first dust screen 106, thereby the inside that prevents to get into casing 101 influences the operation of device, the top of chamber door 206 is provided with second dust screen 208, the top 206 is provided with the second dust screen 208, thereby the inside can be provided with the noise reduction box 204 through the inside of the device is provided with the noise reduction box door 204 when the inside the device is provided with the noise reduction plate 204, can be opened the noise reduction device is convenient for the inside the noise reduction box device is provided with the noise reduction box 204, the noise reduction device is easy to be opened from the inside the device is provided with the noise reduction box 204.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides a gas pressurization formula centrifugal fan, includes casing (101), its characterized in that: the inside rotation of casing (101) is provided with rotation axis (104), and the middle part of rotation axis (104) is provided with fan (105), and the side of casing (101) is provided with air outlet (103), and the upper end of casing (101) is provided with air intake (102), and air intake (102) top is fixed to be provided with first dust screen (106), and the bottom of casing (101) is provided with elastic mechanism.
2. The gas pressurized centrifugal fan according to claim 1, wherein: the elastic mechanism comprises a connecting platform (107) arranged at the bottom of the casing (101), first U-shaped frames (108) are respectively arranged at the bottom of the connecting platform (107) along the front-back direction, first round holes are formed in the side ends of the two first U-shaped frames (108), connecting rods (109) are respectively hinged at the middle parts of the two first U-shaped frames (108), second round holes are respectively formed in the two ends of the two connecting rods (109), second U-shaped frames (110) are respectively hinged at the other ends of the two connecting rods (109), third round holes are respectively formed in the side parts of the two second U-shaped frames (110), sliding blocks (111) are respectively arranged at the bottoms of the two second U-shaped frames (110), fourth round holes are formed in the side ends of the two sliding blocks (111), sliding grooves (113) are jointly arranged at the bottoms of the two sliding blocks (111), fixed blocks (112) containing the sliding grooves (113), fixed rods (114) penetrating through the two fourth round holes are respectively arranged at the inner parts of the sliding grooves (113), springs (115) are respectively sleeved at the front ends and the rear ends of the fixed rods (114), springs (115) are respectively sleeved at the front ends and the two ends of the fixed blocks and are respectively provided with springs (115), the bottoms of the two sliding blocks (112) are respectively arranged at the bottoms of the sliding blocks (113) and are respectively, two sliding blocks (112) and the bottoms are respectively and the two ends of the sliding blocks are respectively and one side of the sliding blocks are respectively and the sliding blocks are respectively. The insides of the two slide ways are respectively provided with a sliding body (202) in a sliding way, and the two sliding bodies (202) are fixedly arranged on the left side and the right side of the shell (101).
3. The gas pressurized centrifugal fan according to claim 2, wherein: the bottom of the bottom plate (203) is provided with a bottom of a box body (204) sleeved outside, and a side end of the box body (204) is provided with a ventilation opening (205).
4. A gas pressurized centrifugal fan according to claim 3, wherein: the top of box (204) is provided with chamber door (206), and the right side end of chamber door (206) is provided with hinge (207) that are connected with box (204).
5. The gas pressurized centrifugal fan according to claim 4, wherein: the inside of box (204) is provided with the acoustic celotex board, is provided with noise reduction device (210) on the inside wall of box (204), is provided with second dust screen (208) on chamber door (206), and the top right side end of chamber door (206) is provided with handle (209).
6. The gas pressurized centrifugal fan according to claim 5, wherein: the fan (105) is connected with the rotating shaft (104) through keys, the connecting platform (107) is connected with the machine shell (101) through welding, and the two first U-shaped frames (108) are connected with the connecting platform (107) through welding.
7. The gas pressurized centrifugal fan according to claim 6, wherein: the two sliding blocks (111) are respectively connected with the two second U-shaped frames (110) through welding.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221074671U true CN221074671U (en) | 2024-06-04 |
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| GR01 | Patent grant |