CN210106198U - Filtering type centrifugal fan with adjustable air intake - Google Patents
Filtering type centrifugal fan with adjustable air intake Download PDFInfo
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- CN210106198U CN210106198U CN201920950112.1U CN201920950112U CN210106198U CN 210106198 U CN210106198 U CN 210106198U CN 201920950112 U CN201920950112 U CN 201920950112U CN 210106198 U CN210106198 U CN 210106198U
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Abstract
The utility model discloses an air intake adjustable filtration formula centrifugal fan, including the fan spiral case, fan spiral case outer wall welding go-between, laminating apron on the go-between, joint clamp between apron and go-between outer wall, it has the air intake to open on the apron, the welded fastening dish on the air intake inner wall, cup joint the pivot on the fixed disk, cup joint the rolling disc in the pivot, evenly cut apart into a plurality of sectorial regions on fixed disk and the rolling disc, stagger on adjacent sectorial region and have a plurality of filtration mouths, form between the filtration mouth in the same sectorial region and keep off the ring, install adjustment mechanism in the pivot. The apron passes through the clamp joint and fixes on the go-between, the dismouting of being convenient for, the air intake carries out the shutoff through the fixed disk and the rolling disc of inseparable laminating, it has the filter opening to be convenient for air inlet and filtration to open on fixed disk and the rolling disc, drives the pivot through adjustment mechanism and rotates to make the filter opening and the fender ring on rolling disc and the fixed disk crisscross or the coincidence, thereby the opening size of control air intake, be convenient for adjust the intake.
Description
Technical Field
The utility model relates to a centrifugal fan technical field specifically is an intake adjustable filtration formula centrifugal fan.
Background
Centrifugal fan relies on the mechanical energy of input, improve gas pressure and discharge gaseous machinery, centrifugal fan has the spiral case usually, the open end of spiral case passes through bolt installation apron, it has the air intake to open on the apron, install the filter screen in the air intake, however, current air intake size is not adjustable, thereby the intake of centrifugal fan can not be adjusted as required, and the apron passes through a plurality of bolted connection spiral cases, need rotate a plurality of bolts repeatedly during the dismouting, be unfavorable for the apron dismouting when the impeller overhauls, and apron and spiral case pass through bolted connection leakproofness poor, make the fan easy follow apron and spiral case junction leak out when moving, we propose a filtration formula centrifugal fan of intake adjustable for this reason and be used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an intake adjustable filtration formula centrifugal fan to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an intake adjustable filtration formula centrifugal fan, includes the fan spiral case, the fixed welding go-between of open end outer wall of fan spiral case, closely laminate the apron on the go-between, the joint clamp between apron and go-between outer wall, it has the air intake to open on the apron, fixed welding fixed disk on the air intake inner wall, it cup joints the pivot to rotate on the fixed disk, the pivot slides near the one end of fan spiral case and cup joints the rolling disc, evenly cut apart into a plurality of sectorial regions on fixed disk and the rolling disc, it is adjacent stagger on the sectorial region has a plurality of filtration mouths, and is same form the fender ring between the filtration mouth in the sectorial region, install adjustment mechanism in the pivot.
Preferably, the go-between is cavity T type structure, the diameter of apron equals the T type main aspects diameter of go-between, the clamp includes two snap rings, two the one end of snap ring is articulated each other, two equal fixed mounting take-up plate on the other end outer wall of snap ring, through the bolt between the take-up plate, open the snap ring inner wall has the draw-in groove, draw-in groove sliding clamping is on apron and go-between, and equal fixed mounting sealing washer on the both sides inner wall of draw-in groove, apron and go-between are closely laminated to the sealing washer.
Preferably, the fixed mounting air-supply line on the apron in the air intake outside, the air-supply line is hopper-shaped structure, the width that filter opening and fender ring are along diameter direction is the same, fixed mounting stainless steel filter screen in the filter opening.
Preferably, adjustment mechanism includes the spline, pivot middle part outer wall fixed mounting spline, it has the keyway to open on the rolling disc, keyway slip joint is on the spline, the one end of pivot is rotated and is run through fixed disk and interference and cup joint the knob, the other end slip of pivot cup joints the gasket, one side of gasket is closely pressed on the terminal surface of spline, the gasket is close to a plurality of shell fragments of fixed mounting on the outer wall of one side of spline, the shell fragment closely presses on the rolling disc, through helicitic texture installation lock nut in the pivot of the opposite side of gasket, a plurality of dog of one side outer wall middle part fixed mounting that the rolling disc is close to the fixed disk, it has the locking groove to open on the fixed disk, dog slip joint is in the locking groove.
Preferably, one side of the spline close to one side of the knob is tightly pressed on two sides of the fixed disc, and the spring plate is of a triangular structure formed by bending the copper sheet.
Compared with the prior art, the beneficial effects of the utility model are that: the cover plate is quickly clamped and fixed on the connecting ring through the clamp, so that the cover plate is quickly disassembled and assembled, the fan is convenient to overhaul and clean, and the cover plate and the connecting ring are sealed by the sealing ring on the inner wall of the clamping groove, so that air leakage at the joint of the cover plate and the connecting ring when the fan runs is effectively avoided; the rotary shaft is driven to rotate through the knob, the rotary shaft drives the rotary disc to rotate through the spline and the key groove, and the mutual overlapping angle of the filter openings of the rotary disc and the fixed disc and the baffle ring is adjusted, so that the size of the opening of the air inlet is quickly adjusted, and the air inlet amount is convenient to adjust; the shell fragment compresses tightly the rolling disc on the fixed disk all the time for stop block joint locking groove, when the pivot drove the rolling disc and rotates, the stop block of hemisphere structure roll-off locking groove under the exogenic action, thereby promote the rolling disc, make the shell fragment compression, be convenient for adjust, adjust the back, the shell fragment promotes the rolling disc makes stop block card go into other locking grooves in, thereby fast with the rolling disc auto-lock, the rolling disc rotates by oneself when avoiding the fan operation, convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the present invention;
fig. 4 is an enlarged schematic structural diagram of the point B in fig. 2 according to the present invention.
In the figure: 1, a fan volute, 2 connecting rings, 3 cover plates, 4 hoops, 41 clamping rings, 42 clamping grooves, 43 sealing rings, 44 tensioning plates, 5 air inlets, 6 fixing discs, 7 rotating discs, 8 rotating shafts, 9 adjusting mechanisms, 91 knobs, 92 splines, 93 key grooves, 94 stop blocks, 95 gaskets, 96 elastic sheets, 97 locking nuts, 98 stop grooves, 10 air inlet pipes, 11 sectors, 12 filtering ports and 13 retaining rings.
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 without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an intake adjustable filtration formula centrifugal fan, including fan spiral case 1, fan spiral case 1's the fixed welding go-between 2 of open end outer wall, go-between 2 is close to the laminating apron 3, joint clamp 4 between apron 3 and go-between 2 outer walls, it has air intake 5 to open on the apron 3, fixed welding fixed disk 6 on the 5 inner walls of air intake, it cup joints pivot 8 to rotate on the fixed disk 6, pivot 8 is close to fan spiral case 1's one end slip cup joints rolling disc 7, evenly cut apart into a plurality of sectorial regions 11 on fixed disk 6 and the rolling disc 7, stagger on the adjacent sectorial region 11 and have a plurality of filtration mouths 12, form between the filtration mouth 12 in the same sectorial region 11 and keep off ring 13, install adjustment mechanism 9 on the pivot 8. Apron 3 passes through 4 joints of clamp and fixes on go-between 2, thereby be convenient for the dismouting, easy access and clearance fan, air intake 5 carries out the shutoff through the fixed disk 6 and the rolling disc 7 of inseparable laminating, it has filtration mouth 12 air inlet and filtration of being convenient for to open on fixed disk 6 and the rolling disc 7, it rotates to drive pivot 8 through adjustment mechanism 9, thereby make filtration mouth 12 and fender ring 13 on rolling disc 7 and the fixed disk 6 crisscross or the coincidence, thereby control air intake 5's opening size, be convenient for adjust the intake.
The connecting ring 2 is of a hollow T-shaped structure, the diameter of the cover plate 3 is equal to the diameter of the T-shaped large end of the connecting ring 2, the hoop 4 comprises two clamping rings 41, one ends of the two clamping rings 41 are hinged with each other, tensioning plates 44 are fixedly arranged on the outer walls of the other ends of the two clamping rings 41, the tensioning plates 44 are bolted with each other through bolts, the inner walls of the clamping rings 41 are provided with clamping grooves 42, the clamping grooves 42 are slidably clamped on the cover plate 3 and the connecting ring 2, sealing rings 43 are fixedly arranged on the inner walls of the two sides of the clamping grooves 42, the sealing rings 43 are tightly attached to the cover plate 3 and the connecting ring 2, the cover plate 3 is tightly attached to the large-diameter end of the connecting ring 2, the clamping rings 41 are clamped on the outer walls of the cover plate 3 and the connecting ring 2 through the bolts, the tensioning plates 44 are bolted with the tensioning plates 44, the cover plate 3 is rapidly installed, and, the cover plate 3 is convenient to disassemble, the cover plate 3 is convenient to overhaul and clean, and the sealing ring 43 on the inner wall of the clamping groove 42 seals the cover plate 3 and the connecting ring 2 to avoid air leakage.
Fixedly mounted air inlet pipe 10 on the apron 3 in the 5 outsides of air intake, air inlet pipe 10 is hopper-shaped structure, conveniently absorbs external air, and avoids in the foreign object drops filter 12, and filter 12 is the same with the width that keeps off ring 13 along diameter direction for keep off ring 13 on the rolling disc 7 just can be with the shutoff of filter 12 on the fixed disk 6, the size of the control air intake 5 of being convenient for, the fixed mounting stainless steel filter screen in the filter 12.
The adjusting mechanism 9 comprises a spline 92, the spline 92 is fixedly installed on the outer wall of the middle part of the rotating shaft 8, a key groove 93 is formed on the rotating disc, the key groove 93 is connected on the spline 92 in a sliding and clamping manner, one end of the rotating shaft 8 penetrates through the fixed disc 6 in a rotating manner and is sleeved with the knob 91 in an interference manner, the other end of the rotating shaft 8 is sleeved with a gasket 95 in a sliding and clamping manner, one side of the gasket 95 is tightly pressed on the end surface of the spline 92, a plurality of elastic sheets 96 are fixedly installed on the outer wall of one side, close to the spline 92, of the gasket 95, the elastic sheets 96 are tightly pressed on the rotating disc 7, a locking nut 97 is installed on the rotating shaft 8 of the other side of the gasket 95 through a threaded structure, a plurality of stop blocks 94 are fixedly installed on the middle part of the outer wall of one side, close to the fixed disc 6, of the rotating disc 7, a stop groove, then, the rotating shaft 8 is driven to rotate through the knob 91, the rotating shaft 8 drives the rotating disc 7 to rotate through the spline 92 and the key groove 93, the mutual overlapping angle of the filtering port 12 and the baffle ring 13 of the rotating disc 7 and the fixed disc 6 is adjusted, so that the opening size of the air inlet 5 is rapidly adjusted, the air inlet amount is convenient to adjust, furthermore, the rotating disc 7 is limited through the spline 92 and can only slide along the rotating shaft 8, when the rotating disc 7 rotates, the stop block 94 of the hemispherical structure slides out of the stop groove 98 under the action of external force, so that the rotating disc 7 is pushed, the elastic sheet 96 is compressed and convenient to adjust, after adjustment, the elastic sheet 96 pushes the rotating disc 7 to enable the stop block 94 to be clamped into other stop grooves 98, so that the rotating disc 7 is automatically locked, and the rotating disc 7.
The working principle is as follows: when the utility model is used, the cover plate 3 is tightly attached to the large diameter end of the connecting ring 2, the snap ring 41 is clamped on the outer walls of the cover plate 3 and the connecting ring 2 through the clamping groove 42, the tensioning plate 44 is bolted through the bolt, so that the tensioning plate 44 tensions and fixes the two snap rings 41 on the connecting ring 2, the cover plate 3 is rapidly installed, the clamp 4 can be detached by detaching the bolt at the tensioning plate 44, the cover plate 3 is convenient to detach, the cover plate 3 is convenient to disassemble and assemble during maintenance and cleaning, the sealing ring 43 on the inner wall of the clamping groove 42 seals the space between the cover plate 3 and the connecting ring 2, air leakage is avoided, the rotating shaft 8 is driven to rotate through the knob 91, the rotating shaft 8 drives the rotating disc 7 to rotate through the spline 92 and the key groove 93, the mutual coincidence angle of the filtering port 12 and the baffle ring 13 of the rotating disc 7 and the fixed disc 6 is adjusted, thereby rapidly adjusting the, and, the rolling disc 7 is limited by the spline 92 and can only slide along the rotating shaft 8, when the rolling disc 7 rotates, the stop block 94 of the hemispherical structure slides out of the stop groove 98 under the action of external force, so that the rolling disc 7 is pushed, the elastic sheet 96 is compressed, the adjustment is convenient, after the adjustment, the elastic sheet 96 pushes the rolling disc 7 to enable the stop block 94 to be clamped into other stop grooves 98, the rolling disc 7 is automatically locked quickly, and the rolling disc 7 is prevented from rotating automatically when the fan operates.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an intake adjustable filtration formula centrifugal fan, includes fan spiral case (1), its characterized in that: a connecting ring (2) is fixedly welded on the outer wall of the opening end of the fan volute (1), a cover plate (3) is tightly attached to the connecting ring (2), a clamping hoop (4) is clamped between the cover plate (3) and the outer wall of the connecting ring (2), an air inlet (5) is formed in the cover plate (3), a fixed disc (6) is fixedly welded on the inner wall of the air inlet (5), a rotating shaft (8) is rotatably sleeved on the fixed disc (6), one end of the rotating shaft (8) close to the fan volute (1) is slidably sleeved with a rotating disc (7), the fixed disc (6) and the rotating disc (7) are evenly divided into a plurality of fan-shaped areas (11), a plurality of filtering openings (12) are staggered on the adjacent fan-shaped areas (11), a baffle ring (13) is formed between the filtering openings (12) in the same fan-shaped area (11), and an adjusting mechanism (9) is installed on the rotating shaft (8).
2. The filtering centrifugal fan with the adjustable intake air of claim 1, wherein: go-between (2) are cavity T type structure, the diameter of apron (3) equals the T type main aspects diameter of go-between (2), clamp (4) include two snap rings (41), two the one end of snap ring (41) is articulated each other, two equal fixed mounting take-up plate (44) on the other end outer wall of snap ring (41), through the bolt joint between take-up plate (44), open snap ring (41) inner wall has draw-in groove (42), draw-in groove (42) slip joint is on apron (3) and go-between (2), and equal fixed mounting sealing washer (43) on the both sides inner wall of draw-in groove (42), sealing washer (43) closely laminate apron (3) and go-between (2).
3. The filtering centrifugal fan with the adjustable intake air of claim 1, wherein: the utility model discloses a filter, including air intake (5), fixed mounting air-supply line (10) on apron (3) in the air intake (5) outside, air-supply line (10) are funnel-shaped structure, filter opening (12) are the same with the width that keeps off ring (13) along diameter direction, filter opening (12) internal fixation installs the stainless steel filter screen.
4. The filtering centrifugal fan with the adjustable intake air of claim 1, wherein: the adjusting mechanism (9) comprises a spline (92), the spline (92) is fixedly installed on the outer wall of the middle of the rotating shaft (8), a key groove (93) is formed in the rotating disc, the key groove (93) is connected to the spline (92) in a sliding mode in a clamped mode, one end of the rotating shaft (8) penetrates through the fixed disc (6) in a rotating mode and is sleeved with the knob (91) in an interference mode, a gasket (95) is connected to the other end of the rotating shaft (8) in a sliding mode in a sleeved mode, one side of the gasket (95) is tightly pressed on the end face of the spline (92), a plurality of elastic pieces (96) are fixedly installed on the outer wall of one side, close to the spline (92), of the gasket (95), the elastic pieces (96) are tightly pressed on the rotating disc (7), a locking nut (97) is installed on the rotating shaft (8) of the other side of the gasket (95) through a threaded structure, a plurality, a stop groove (98) is formed in the fixed disc (6), and the stop block (94) is clamped in the stop groove (98) in a sliding mode.
5. The filtering centrifugal fan with the adjustable intake air of claim 4, wherein: one side of the spline (92) close to one side of the knob (91) is tightly pressed on two sides of the fixed disc (6), and the elastic sheet (96) is of a triangular structure formed by bending a copper sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950112.1U CN210106198U (en) | 2019-06-24 | 2019-06-24 | Filtering type centrifugal fan with adjustable air intake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950112.1U CN210106198U (en) | 2019-06-24 | 2019-06-24 | Filtering type centrifugal fan with adjustable air intake |
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| Publication Number | Publication Date |
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| CN210106198U true CN210106198U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920950112.1U Active CN210106198U (en) | 2019-06-24 | 2019-06-24 | Filtering type centrifugal fan with adjustable air intake |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561461A (en) * | 2020-05-25 | 2020-08-21 | 上海普泉优实业有限公司 | Environment-friendly axial-flow fan |
| CN112728773A (en) * | 2020-12-31 | 2021-04-30 | 广东超人节能厨卫电器有限公司 | Fan subassembly and water heater |
| CN113738670A (en) * | 2021-06-25 | 2021-12-03 | 镇江市丹徒区粮机厂有限公司 | Energy-saving fan for plateau environment |
| CN113775734A (en) * | 2020-06-10 | 2021-12-10 | 杭州凯临钒机械有限公司 | Auxiliary heat dissipation device for gear box |
| CN115013339A (en) * | 2022-04-29 | 2022-09-06 | 满洲里达赉湖热电有限公司 | Air blower inlet air volume adjusting and guiding device |
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2019
- 2019-06-24 CN CN201920950112.1U patent/CN210106198U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561461A (en) * | 2020-05-25 | 2020-08-21 | 上海普泉优实业有限公司 | Environment-friendly axial-flow fan |
| CN111561461B (en) * | 2020-05-25 | 2021-03-26 | 上海普泉优实业有限公司 | Environment-friendly axial-flow fan |
| CN113775734A (en) * | 2020-06-10 | 2021-12-10 | 杭州凯临钒机械有限公司 | Auxiliary heat dissipation device for gear box |
| CN113775734B (en) * | 2020-06-10 | 2023-09-05 | 凯临钒机械(杭州)有限公司 | Auxiliary heat dissipation device for gear box |
| CN112728773A (en) * | 2020-12-31 | 2021-04-30 | 广东超人节能厨卫电器有限公司 | Fan subassembly and water heater |
| CN112728773B (en) * | 2020-12-31 | 2022-05-06 | 广东超人节能厨卫电器有限公司 | Fan subassembly and water heater |
| CN113738670A (en) * | 2021-06-25 | 2021-12-03 | 镇江市丹徒区粮机厂有限公司 | Energy-saving fan for plateau environment |
| CN115013339A (en) * | 2022-04-29 | 2022-09-06 | 满洲里达赉湖热电有限公司 | Air blower inlet air volume adjusting and guiding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201117 Address after: Group 8, Wenjun village, Xingfu street, Gangzha District, Nantong City, Jiangsu Province, 226000 Patentee after: Nantong Hengrong roots blower Co., Ltd Address before: 226000 No.6, Bayi Industrial Park, Tiansheng Road, Gangzha District, Nantong City, Jiangsu Province Patentee before: Jiangsu Huanyu Fan Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |