CN217950793U

CN217950793U - Low-noise low-vibration centrifugal blower

Info

Publication number: CN217950793U
Application number: CN202221403704.XU
Authority: CN
Inventors: 蒋志军
Original assignee: Jiangsu Lianwei Blower Co ltd
Current assignee: Jiangsu Lianwei Blower Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-12-02
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a centrifugal air-blower of low noise low vibration, concretely relates to air-blower field, the on-line screen storage device comprises a base, the air-blowing device is installed to the base upper end, the air-blowing device comprises runner assembly and the subassembly of making an uproar of falling, the subassembly of making an uproar of falling is installed in the runner assembly outside, the subassembly lower extreme of making an uproar of falling is installed in the base upper end, the runner assembly includes driving motor, protection housing, centrifugation piece, impeller, air-out pipeline, air inlet curb plate lid and support frame. A centrifugal blower of low noise low vibration, the noise is through making an uproar cotton sliver group absorb pass the second again after partly fall make an uproar housing and first fall the housing of making an uproar when making an uproar the housing through the second fall the housing and the first thickness of making an uproar housing outer wall of making an uproar carries out the amortization once more to the noise and falls, the noise is through the secondary fall the effectual propagation decibel of making an uproar after effectually reduced, fall the subassembly of making an uproar and fall the problem that the work of whole device produced the noise after making an uproar and effectively solve whole device.

Description

Low-noise low-vibration centrifugal blower

Technical Field

The utility model relates to an air-blower field, in particular to centrifugal air-blower of low noise low vibration.

Background

The air blower is a blade rotation type gas compression machine, gas is sucked from a suction chamber and is discharged through the rotation of an impeller, the existing air blower can generate large noise when the impeller rotates and the gas is sucked, and the air blower can generate certain damage to eardrums of surrounding workers due to the fact that the excessive noise is generated for a long time.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a low-noise low-vibration centrifugal blower which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a low noise low vibration's centrifugal blower, includes the base, the blower device is installed to the base upper end, the blower device comprises runner assembly and the subassembly of making an uproar that falls, it installs in the runner assembly outside to fall the subassembly of making an uproar, it installs in the base upper end to fall the subassembly lower extreme of making an uproar, runner assembly includes driving motor, protection housing, centrifugal piece, impeller, air-out pipeline, air inlet side plate lid and support frame, install at the protection housing lower extreme on one side of support frame, the driving motor lower extreme is installed in support frame opposite side upper end, the terminal fixed mounting of air-out pipeline is in protection housing one side, the driving motor output is installed in centrifugal piece one end, the impeller lower extreme is installed at the centrifugal piece outer wall, centrifugal piece and impeller install in the protection housing.

Preferably, the subassembly of making an uproar falls by the first cover shell of making an uproar, fall the cotton group of making an uproar, first auxiliary tank, the second falls the cover shell of making an uproar, second auxiliary tank, supplementary backing plate, sliding tray, spiral hole, sliding block, axis of rotation and screw rod are constituteed, screw rod front end fixed mounting is in the axis of rotation rear end, the rotatable installation in sliding block rear end of axis of rotation front end, sliding block upper end fixed mounting falls the cover shell lower extreme at the first noise reduction, sliding block lower extreme movable mounting is in the sliding tray, the sliding tray is seted up in supplementary backing plate upper end, spiral hole is seted up at supplementary backing plate one side end, the second falls cover shell lower extreme fixed mounting of making an uproar in supplementary backing plate one side upper end.

Preferably, sliding tray, spiral hole, sliding block, axis of rotation and screw rod all are equipped with two sets ofly, the screw rod with spiral hole adaptation, and the length of screw rod is greater than the length of sliding tray, the width of sliding tray is greater than the diameter of screw rod, the height and the width of sliding block are the same with the height and the width of sliding tray, it installs at the first encloser inner wall of making an uproar to fall cotton group of making an uproar.

Preferably, first supplementary groove is the same with the supplementary groove size of second, first supplementary groove and the equal semicircular in shape in second supplementary groove, the diameter sum in first supplementary groove and second supplementary groove is the same with the diameter of air-out pipeline, a plurality of bleeder vents have been seted up to the encloser one end of making an uproar is fallen to the second.

Preferably, the air inlet side plate cover is fixedly installed at one end of the protective housing, and the diameter of the air inlet side plate cover is larger than that of the protective housing.

Preferably, the first noise reduction housing and the second noise reduction housing are the same in height, and the first noise reduction housing and the second noise reduction housing are respectively arranged on two sides of the rotating assembly.

Preferably, the first noise reduction housing and the second noise reduction housing have the same width, and the length of the first noise reduction housing is greater than that of the second noise reduction housing.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. after the air enters the protective housing, the air can be discharged through the air outlet pipeline in a gathering mode through the re-rotation of the rotating impeller, after the air is discharged through the air outlet pipeline, the whole centrifugal air blowing work is completed by the device, and the centrifugal air blower drives the centrifugal block and rotates the impeller through the driving motor to generate the air blowing effect, so that the air blowing efficiency of the whole device is greatly improved.

2. The noise that the rotation component work sent is adsorbed the amortization to the cotton silver group of making an uproar that falls of accessible inside after the adjustment of the first cover piece position of making an uproar of falling is accomplished, the noise is through making an uproar cotton silver group of falling again pass the second after adsorbing partly fall the cover piece of making an uproar and fall the cover piece of making an uproar with the first thickness of making an uproar cover piece outer wall of falling through the second again the noise reduction and fall the noise, the noise falls the effectual propagation decibel of making an uproar that has reduced after making an uproar through the secondary, the problem of the work production noise of making an uproar whole device after making an uproar is fallen to whole device is effectively solved to the subassembly of making an uproar.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the overall structure of the present invention;

FIG. 3 is a schematic view of the overall structure of the blower of the present invention;

fig. 4 is the overall structure schematic diagram of the rotating assembly of the utility model:

fig. 5 is the overall structure diagram of the noise reduction assembly of the present invention.

In the figure: 1. a base; 2. a blower device; 21. a rotating assembly; 211. a drive motor; 212. a protective housing; 213. a centrifugal block; 214. rotating the impeller; 215. an air outlet pipeline; 216. a support frame; 217. an air inlet side plate cover; 22. a noise reduction assembly; 221. a first noise reduction housing; 222. a noise reducing cotton sliver group; 223. a first auxiliary groove; 224. a second noise reduction housing; 225. a second auxiliary groove; 226. an auxiliary backing plate; 227. a sliding groove; 228. a helical bore; 229. a slider; 220. a rotating shaft; 2201. a screw.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1-5, a low-noise low-vibration centrifugal blower includes a base 1, a blower device 2 is mounted at the upper end of the base 1, the blower device 2 is composed of a rotating component 21 and a noise reduction component 22, the noise reduction component 22 is mounted at the outer side of the rotating component 21, the lower end of the noise reduction component 22 is mounted at the upper end of the base 1, the rotating component 21 includes a driving motor 211, a protective cover 212, a centrifugal block 213, a rotating impeller 214, an air outlet duct 215, an air inlet side plate cover 217 and a support frame 216, the upper end of one side of the support frame 216 is mounted at the lower end of the protective cover 212, the lower end of the driving motor 211 is mounted at the upper end of the other side of the support frame 216, the tail end of the air outlet duct 215 is fixedly mounted at one side of the protective cover 212, the output end of the driving motor 211 is mounted at one end of the centrifugal block 213, the lower end of the rotating impeller 214 is mounted at the outer wall of the centrifugal block 213, the rotating impeller 213 and the rotating impeller 214 are mounted in the protective cover 212, the air inlet side plate cover 217 is fixedly mounted at one end of the protective cover 212, and the diameter of the air inlet side plate cover 217 is greater than the protective cover 212; when the centrifugal blower is used, the driving motor 211 can be opened to enable the driving motor 211 to drive the centrifugal block 213 and the rotating impeller 214 to rotate, after the centrifugal block 213 and the rotating impeller 214 rotate, external air can be sucked into the protective housing 212 in a rotating mode through the air inlet side plate cover 217, after the air enters the protective housing 212, the air can be collected and discharged through the air outlet pipeline 215 after the air is rotated again through the rotating impeller 214, after the air is discharged through the air outlet pipeline 215, the whole centrifugal blowing work of the device is completed, and the centrifugal blower drives the centrifugal block 213 and the rotating impeller 214 to rotate through the driving motor 211 to generate a blowing effect, so that the blowing efficiency of the whole device is greatly improved.

The noise reduction assembly 22 is composed of a first noise reduction cover shell 221, a noise reduction cotton sliver group 222, a first auxiliary groove 223, a second noise reduction cover shell 224, a second auxiliary groove 225, an auxiliary backing plate 226, a sliding groove 227, a spiral hole 228, a sliding block 229, a rotating shaft 220 and a screw rod 2201, wherein the front end of the screw rod 2201 is fixedly arranged at the rear end of the rotating shaft 220, the front end of the rotating shaft 220 is rotatably arranged at the rear end of the sliding block 229, the upper end of the sliding block 229 is fixedly arranged at the lower end of the first noise reduction cover shell 221, the lower end of the sliding block 229 is movably arranged in the sliding groove 227, the sliding groove 227 is arranged at the upper end of the auxiliary backing plate 226, the spiral hole 228 is arranged at one side end of the auxiliary backing plate 226, the lower end of the second noise reduction cover shell 224 is fixedly arranged at the upper end of one side of the auxiliary backing plate 226, two groups of the sliding groove 227, the

spiral holes

228, 229, the sliding block 229, the rotating shaft 220 and the screw rod 2201 are arranged at two groups, and are matched with the spiral hole 228, the length of the screw 2201 is greater than that of the sliding groove 227, the width of the sliding groove 227 is greater than that of the screw 2201, the height and the width of the sliding block 229 are the same as those of the sliding groove 227, the noise reduction cotton sliver group 222 is installed on the inner wall of the first noise reduction housing 221, the first auxiliary groove 223 and the second auxiliary groove 225 are the same in size, the first auxiliary groove 223 and the second auxiliary groove 225 are both semicircular, the sum of the diameters of the first auxiliary groove 223 and the second auxiliary groove 225 is the same as that of the air outlet pipeline 215, one end of the second noise reduction housing 224 is provided with a plurality of air vents, the first noise reduction housing 221 and the second noise reduction housing 224 are the same in height, the first noise reduction housing 221 and the second noise reduction housing 224 are respectively arranged on two sides of the rotating assembly 21, the widths of the first noise reduction housing 221 and the second noise reduction housing 224 are the same, and the length of the first noise reduction housing 221 is greater than that of the second noise reduction housing 224; before the device is used, the screw 2201 can be rotated clockwise when the device is assembled, when the screw 2201 rotates clockwise, the screw can move forward in the spiral hole 228, when the screw 2201 moves forward to drive the sliding block 229 at the front end and the rotating shaft 220 to move forward, when the sliding block 229 moves forward, the first noise reduction cover 221 at the upper end is driven to move forward, when the first noise reduction cover 221 moves forward to a certain position, the first noise reduction cover 221 can be attached to one side of the second noise reduction cover 224, when the second noise reduction cover 224 is attached to the first noise reduction cover 221, the first auxiliary groove 223 and the second auxiliary groove 225 are buckled on two sides of the air outlet pipeline 215, when the position of the first noise reduction cover 221 is adjusted, noise generated by the working of the rotating assembly 21 can be absorbed and silenced through the noise reduction cotton bar group 222 inside, when the noise passes through the second noise reduction cover 224 and the first noise reduction cover 221 after the noise reduction cotton bar group 222 absorbs a part of the noise, noise can be effectively reduced after the noise is absorbed for a second time, and the whole noise reduction device can effectively reduce the noise generated by the working decibels of the whole noise reduction device.

It should be noted that, the utility model relates to a centrifugal blower of low noise low vibration, accessible open driving motor 211 during the use makes driving motor 211 drive centrifugal piece 213 and rotate impeller 214 and rotate, accessible air inlet side board cover 217 rotates the outside air and inhales to protective housing 212 after centrifugal piece 213 rotates with rotating impeller 214, can discharge air set through air-out duct 215 after the air enters protective housing 212 through the rotation once more of rotating impeller 214, need assemble the device before the use, accessible clockwise rotation screw rod 2201 during the device equipment, can antedisplacement in spiral hole 228 after screw rod 2201 clockwise rotates, sliding block 229 and the rotation axis 220 that have driven the front end antedisplacement when screw rod 2201, first noise reduction housing 221 that has driven the upper end after sliding block 229 antedisplacement, can laminate with second noise reduction 224 one side after first noise reduction housing 221 has moved to a certain position, can laminate with second noise reduction housing 224 one side after second noise reduction housing 224 and first noise reduction housing 221 accomplish first supplementary buckle groove 223 and second noise reduction groove 221 after noise reduction housing 221 and pass through first noise reduction cotton noise reduction housing 224 after the noise reduction of first noise reduction set, the noise reduction is adjusted through first noise reduction housing 221 and the noise reduction set of second noise reduction is done again through first noise reduction cotton after second noise reduction housing 221 and noise reduction housing 224, the noise reduction set of the noise reduction is adjusted through first noise reduction outer wall after the noise reduction is done.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A low-noise low-vibration centrifugal blower comprises a base (1), and is characterized in that: the utility model discloses a fan, including base (1), blower device (2), noise reduction assembly (22), base (1), air outlet pipe (215), air inlet lateral plate cover (217) and support frame (216), support frame (216) one side upper end is installed at protection housing (212) lower extreme, driving motor (211) lower extreme is installed at support frame (216) opposite side upper end, air outlet pipe (215) terminal fixed mounting is in protection housing (212) one side, driving motor (211) output is installed in centrifugal piece (213) one end, rotation impeller (214) lower extreme is installed at centrifugal piece (213) outer wall, centrifugal piece (213) and rotation impeller (214) are installed in protection housing (212).

2. A low noise, low vibration centrifugal blower according to claim 1 wherein: the noise reduction assembly (22) is composed of a first noise reduction cover shell (221), a noise reduction cotton sliver group (222), a first auxiliary groove (223), a second noise reduction cover shell (224), a second auxiliary groove (225), an auxiliary backing plate (226), a sliding groove (227), a spiral hole (228), a sliding block (229), a rotating shaft (220) and a screw rod (2201), wherein the front end of the screw rod (2201) is fixedly installed at the rear end of the rotating shaft (220), the front end of the rotating shaft (220) is rotatably installed at the rear end of the sliding block (229), the upper end of the sliding block (229) is fixedly installed at the lower end of the first noise reduction cover shell (221), the lower end of the sliding block (229) is movably installed in the sliding groove (227), the sliding groove (227) is formed in the upper end of the auxiliary backing plate (226), the spiral hole (228) is formed in one side end of the auxiliary backing plate (226), and the lower end of the second noise reduction cover shell (224) is fixedly installed at the upper end of one side of the auxiliary backing plate (226).

3. A low noise, low vibration centrifugal blower according to claim 2 wherein: the noise reduction device comprises a sliding groove (227), a spiral hole (228), a sliding block (229), a rotating shaft (220) and a screw rod (2201), wherein the sliding groove (227), the spiral hole (228), the sliding block (229), the rotating shaft (220) and the screw rod (2201) are arranged in two groups, the screw rod (2201) is matched with the spiral hole (228), the length of the screw rod (2201) is larger than that of the sliding groove (227), the width of the sliding groove (227) is larger than the diameter of the screw rod (2201), the height and the width of the sliding block (229) are the same as those of the sliding groove (227), and the noise reduction cotton bar group (222) is arranged on the inner wall of a first noise reduction housing (221).

4. A low noise, low vibration centrifugal blower according to claim 2 wherein: the first auxiliary groove (223) and the second auxiliary groove (225) are identical in size, the first auxiliary groove (223) and the second auxiliary groove (225) are semicircular, the sum of the diameters of the first auxiliary groove (223) and the second auxiliary groove (225) is identical to the diameter of the air outlet pipeline (215), and a plurality of air holes are formed in one end of the second noise reduction housing (224).

5. A low noise, low vibration centrifugal blower according to claim 1 wherein: the air inlet side plate cover (217) is fixedly arranged at one end of the protective housing (212), and the diameter of the air inlet side plate cover (217) is larger than that of the protective housing (212).

6. A low noise, low vibration centrifugal blower according to claim 2 wherein: the first noise reduction cover shell (221) and the second noise reduction cover shell (224) are identical in height, and the first noise reduction cover shell (221) and the second noise reduction cover shell (224) are arranged on two sides of the rotating assembly (21) respectively.

7. A low noise, low vibration centrifugal blower according to claim 2 wherein: the widths of the first noise reduction cover shell (221) and the second noise reduction cover shell (224) are the same, and the length of the first noise reduction cover shell (221) is larger than that of the second noise reduction cover shell (224).