CN204003537U - Centrifugal blower - Google Patents
Centrifugal blower Download PDFInfo
- Publication number
- CN204003537U CN204003537U CN201420432511.6U CN201420432511U CN204003537U CN 204003537 U CN204003537 U CN 204003537U CN 201420432511 U CN201420432511 U CN 201420432511U CN 204003537 U CN204003537 U CN 204003537U
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- CN
- China
- Prior art keywords
- fan casing
- casing
- motor
- fan
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of centrifugal blower, its technological scheme main points are that the relative intake grill opposite side of described Fan casing is provided with the fan outlet that is not less than centrifugal cutter diameter, described fan outlet and fan coaxially arrange, the relative intake grill opposite side of described Fan casing is provided with sliding device, described sliding device comprises slidable bar, slide part, described slidable bar is provided with sliding recess, described slide part endwisely slips in sliding recess, described slidable bar one end is fixedly connected on the relative intake grill opposite side of Fan casing, the relative axle center of described sliding device is arranged with 2, described slide part is fixedly connected on motor outer peripheral surface, described motor apparent wind casing one end is fixedly connected with sealing cover, conflict at Fan casing sidewall in described sealing cover apparent wind casing one end, the fixing described motor apparent wind casing the other end is provided with locking device, described locking device is detachably fixedly connected on 2 slidable bars.
Description
Technical field
The utility model relates to a kind of blower fan, and more particularly, it relates to a kind of centrifugal blower.
Background technique
Centrifugal blower is the mechanical energy that relies on input, improves supply gas the side by side machinery of body of gas pressure, and it is a kind of driven fluid machinery.Centrifugal blower is widely used in ventilation, the dust discharge and cooling of factory, mine, tunnel, cooling tower, vehicle, boats and ships and building; The ventilation of boiler and industrial furnace and air inducing; Cooling and ventilation in the apparatus of air conditioning and domestic electric appliance; The oven dry of cereal and selecting and recommending; The inflation of wind-tunnel wind regime and Hovercraft and propelling etc.
Because common centrifugal blower is provided with installing ring on Fan casing intake grill, people need to back out bolt one by one, people are torn open and caused compared with burden, and dismantle frequently and easily make installing ring damage, cause entry port air inlet chaotic, affect the using effect of centrifugal blower, after pulling down installing ring, more inner centrifugal cutter is keeped in repair, changed, because the less people of making in space in Fan casing are difficult to keep in repair, change, and in large-scale centrifugal blower, centrifugal cutter is larger, and weight is larger, people is difficult to centrifugal cutter to move in Fan casing and install.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of convenient installation, dismounting, and is difficult for causing the centrifugal blower of damage in maintenance, Renewal process.
For achieving the above object, the utility model provides following technological scheme: a kind of centrifugal blower, comprise Fan casing, the motor with motor shaft, centrifugal cutter, described centrifugal cutter is arranged in Fan casing, described Fan casing one side is provided with axis hole, described motor shaft is through axis hole, described centrifugal cutter is fixedly connected on motor shaft, the relative axis hole the other end of described Fan casing is provided with intake grill, described Fan casing outer peripheral surface is provided with exhaust outlet, the relative intake grill opposite side of described Fan casing is provided with the fan outlet that is not less than centrifugal cutter diameter, described fan outlet and fan coaxially arrange, the relative intake grill opposite side of described Fan casing is provided with sliding device, described sliding device comprises slidable bar, slide part, described slidable bar is provided with sliding recess, described slide part endwisely slips in sliding recess, described slidable bar one end is fixedly connected on the relative intake grill opposite side of Fan casing, the relative axle center of described sliding device is arranged with 2, described slide part is fixedly connected on motor outer peripheral surface, described motor apparent wind casing one end is fixedly connected with sealing cover, conflict at Fan casing sidewall in described sealing cover apparent wind casing one end, the fixing described motor apparent wind casing the other end is provided with locking device, described locking device is detachably fixedly connected on 2 slidable bars.
By adopting technique scheme, when needs carry out maintain and replace, opening locking device can endwisely slip freely slide part in sliding recess, by slip slide part, motor is slided to the Fan casing the other end, because sealing cover is fixedly connected on motor, centrifugal cutter is fixed on motor shaft, when sliding, motor drives sealing cover and centrifugal cutter, make also axial slip of sealing cover, centrifugal cutter exits Fan casing, make centrifugal cutter depart from easily Fan casing, people are keeped in repair, during replacing, be not subject to the spatial constraints of Fan casing, facilitated people's maintenance, change, and when large-scale centrifugal blower need to not installed centrifugal cutter in Fan casing yet, facilitated the installation of centrifugal cutter, when people keep in repair outward at Fan casing, after replacing, centrifugal cutter is aimed to fan outlet, motor is promoted to Fan casing one side, centrifugal cutter is entered in Fan casing by fan outlet, sealing cover is conflicted on Fan casing, for Fan casing seals, by locking device fixed electrical machinery position, prevent that motor from sliding, effectively avoid twisting a plurality of bolts and caused parts damages, and improved maintenance, change efficiency.
The utility model is further set to: described slide part comprises fixed plate, slide plate, described fixed plate one side is fixedly connected on motor outer peripheral surface, described fixed plate opposite side is provided with the first circular groove, described slide plate one side is provided with the second circular groove, in described the first circular groove, be provided with thrust-bearing, the relative fixed plate opposite side of described thrust-bearing is conflicted in the second circular groove, described slide plate and fixed plate gap arrange, the relative fixed plate the other end of described slide plate is provided with slide blocks, and described slide blocks is connected with sliding recess slippage.
By adopting technique scheme, slide blocks endwisely slips in sliding recess, effectively guaranteed that motor slides steady, prevented that slip hour offset from causing centrifugal cutter to produce collision, when centrifugal cutter skids off after Fan casing, owing to being provided with thrust-bearing between fixed plate and slide plate, making motor take thrust-bearing rotates as axle center, after skidding off Fan casing, centrifugal cutter by rotary electric machine, centrifugal blower is produced, make centrifugal blower in producing state, be convenient for people to maintenance, change, make maintenance, change and do not need slide blocks to release sliding recess, improve maintenance, change efficiency.
The utility model is further set to: described locking device comprises fixing column, lock nut, on described slidable bar, be equipped with fixed via, described fixing column is through 2 fixed vias, described fixing column central position is provided with tapped through hole, and described lock nut is conflicted on motor through tapped through hole.
By adopting technique scheme, centrifugal cutter is pushed to Fan casing, sealing cover is conflicted on Fan casing, by rotational lock screw rod, make screw axial push down motor, make sealing cover closely be attached on Fan casing, improve the sealing of sealing cover, and effective fixed electrical machinery, make easy for installation, and the vibrations of the motor effectively reducing.
The utility model is further set to: described fixing column two ends are respectively equipped with fixed groove, and described fixed groove and fixed via sidewall are suitable.
By adopting technique scheme, when fixing column inserts after fixed via, make anchor truss on the sidewall of fixed via, while effectively preventing screw rod rotation, fixing column is offset, the validity of the installation effectively improving.
The utility model is further set to: described sealing cover apparent wind casing one side is provided with ring packing groove, in described ring packing groove, is provided with O-ring seal.
By adopting technique scheme, O-ring seal has improved the sealing of sealing cover greatly, and prevents that the direct conflict of sealing cover from causing component wear on Fan casing, improved the working life of Fan casing and sealing cover.
Accompanying drawing explanation
Fig. 1 is the utility model centrifugal blower embodiment's explosive view;
Fig. 2 is the utility model centrifugal blower embodiment's structural drawing;
Fig. 3 is the stereogram of the utility model centrifugal blower embodiment sealing;
Fig. 4 is the utility model centrifugal blower embodiment's the phase diagram of producing.
Reference character: 1, Fan casing; 11, intake grill; 12, exhaust outlet; 13, fan outlet; 2, motor; 21, motor shaft; 3, centrifugal cutter; 4, sliding device; 41, slidable bar; 42, sliding recess; 43, slide part; 431, slide plate; 432, fixed plate; 433, slide blocks; 434, the first circular groove; 435, thrust-bearing; 436, the second circular groove; 5, locking device; 51, fixing column; 52, lock nut; 53, tapped through hole; 54, fixed groove; 55, fixed via; 6, sealing cover; 61, ring packing groove; 62, O-ring seal.
Embodiment
Referring to figs. 1 through Fig. 4, the utility model centrifugal blower embodiment is described further.
A kind of centrifugal blower, comprise Fan casing 1, the motor 2 with motor shaft 21, centrifugal cutter 3, described centrifugal cutter 3 is arranged in Fan casing 1, described Fan casing 1 one sides are provided with axis hole, described motor shaft 21 is through axis hole, described centrifugal cutter 3 is fixedly connected on motor shaft 21, the relative axis hole the other end of described Fan casing 1 is provided with intake grill 11, described Fan casing 1 outer peripheral surface is provided with exhaust outlet 12, relative intake grill 11 opposite sides of described Fan casing 1 are provided with the fan outlet 13 that is not less than centrifugal cutter 3 diameters, described fan outlet 13 coaxially arranges with fan, relative intake grill 11 opposite sides of described Fan casing 1 are provided with sliding device 4, described sliding device 4 comprises slidable bar 41, slide part 43, described slidable bar 41 is provided with sliding recess 42, described slide part 43 endwisely slips in sliding recess 42, described slidable bar 41 one end are fixedly connected on relative intake grill 11 opposite sides of Fan casing 1, the relative axle center of described sliding device 4 is arranged with 2, described slide part 43 is fixedly connected on motor 2 outer peripheral surfaces, described motor 2 apparent wind casing 1 one end are fixedly connected with sealing cover 6, conflict at Fan casing 1 sidewall in described sealing cover 6 apparent wind casing 1 one end, fixing described motor 2 apparent wind casing 1 the other ends are provided with locking device 5, described locking device 5 is detachably fixedly connected on 2 slidable bars 41, described slide part 43 comprises fixed plate 432, slide plate 431, described fixed plate 432 1 sides are fixedly connected on motor 2 outer peripheral surfaces, described fixed plate 432 opposite sides are provided with the first circular groove 434, described slide plate 431 1 sides are provided with the second circular groove 436, in described the first circular groove 434, be provided with thrust-bearing 435, relative fixed plate 432 opposite sides of described thrust-bearing 435 are conflicted in the second circular groove 436, described slide plate 431 arranges with fixed plate 432 gaps, relative fixed plate 432 the other ends of described slide plate 431 are provided with slide blocks 433, described slide blocks 433 is connected with sliding recess 42 slippages, described locking device 5 comprises fixing column 51, lock nut 52, on described slidable bar 41, be equipped with fixed via 55, described fixing column 51 is through 2 fixed vias 55, described fixing column 51 central positions are provided with tapped through hole 53, described lock nut 52 is conflicted on motor 2 through tapped through hole 53, described fixing column 51 two ends are respectively equipped with fixed groove 54, described fixed groove 54 is suitable with fixed via 55 sidewalls, described sealing cover 6 apparent wind casing 1 one sides are provided with ring packing groove 61, in described ring packing groove 61, be provided with O-ring seal 62.
When needs carry out maintain and replace, opening locking device 5 can endwisely slip freely slide part 43 in sliding recess 42, by slip slide part 43, motor 2 is slided to Fan casing 1 the other end, because sealing cover 6 is fixedly connected on motor 2, centrifugal cutter 3 is fixed on motor shaft 21, when sliding, motor 2 drives sealing cover 6 and centrifugal cutter 3, make also axial slip of sealing cover 6, centrifugal cutter 3 exits Fan casing 1, make centrifugal cutter 3 depart from easily Fan casing 1, people are keeped in repair, during replacing, be not subject to the spatial constraints of Fan casing 1, facilitated people's maintenance, change, and when large-scale centrifugal blower need to not installed centrifugal cutter 3 in Fan casing 1 yet, facilitated the installation of centrifugal cutter 3, when people are in the outer maintenance of Fan casing 1, after replacing, centrifugal cutter 3 is aimed to fan outlet 13, motor 2 is promoted to Fan casing 1 one sides, centrifugal cutter 3 is entered in Fan casing 1 by fan outlet 13, sealing cover 6 is conflicted on Fan casing 1, for Fan casing 1 seals, by locking device 5 fixed electrical machinery 2 positions, prevent that motor 2 from sliding, effectively avoid twisting a plurality of bolts and caused parts damages, and improved maintenance, change efficiency, slide blocks 433 endwisely slips in sliding recess 42, effectively guaranteed that motor 2 slides steady, prevented that slip hour offset from causing centrifugal cutter 3 to produce collision, when centrifugal cutter 3 skids off after Fan casing 1, owing to being provided with thrust-bearing 435 between fixed plate 432 and slide plate 431, making motor 2 take thrust-bearing 435 rotates as axle center, after skidding off Fan casing 1, centrifugal cutter 3 by rotary electric machine 2, centrifugal blower is produced, be convenient for people to maintenance, change, make maintenance, change and do not need slide blocks 433 to release sliding recess 42, improve maintenance, change efficiency, centrifugal cutter 3 is pushed to Fan casing 1, sealing cover 6 is conflicted on Fan casing 1, by rotational lock screw rod 52, make screw axial push down motor 2, sealing cover 6 is closely attached on Fan casing 1, improve the sealing of sealing cover 6, and effective fixed electrical machinery 2, make easy for installation, and the vibrations of the motor 2 effectively reducing, when fixing column 51 inserts after fixed via 55, make 54 of fixed grooves on the sidewall of fixed via 55, while effectively preventing screw rod rotation, fixing column 51 is offset, the validity of the installation effectively improving.
O-ring seal 62 has improved the sealing of sealing cover 6 greatly, and prevents that the direct conflict of sealing cover 6 from causing component wear on Fan casing 1, improved the working life of Fan casing 1 and sealing cover 6.
Claims (5)
1. a centrifugal blower, comprise Fan casing, the motor with motor shaft, centrifugal cutter, described centrifugal cutter is arranged in Fan casing, described Fan casing one side is provided with axis hole, described motor shaft is through axis hole, described centrifugal cutter is fixedly connected on motor shaft, the relative axis hole the other end of described Fan casing is provided with intake grill, described Fan casing outer peripheral surface is provided with exhaust outlet, it is characterized in that: the relative intake grill opposite side of described Fan casing is provided with the fan outlet that is not less than centrifugal cutter diameter, described fan outlet and fan coaxially arrange, the relative intake grill opposite side of described Fan casing is provided with sliding device, described sliding device comprises slidable bar, slide part, described slidable bar is provided with sliding recess, described slide part endwisely slips in sliding recess, described slidable bar one end is fixedly connected on the relative intake grill opposite side of Fan casing, the relative axle center of described sliding device is arranged with 2, described slide part is fixedly connected on motor outer peripheral surface, described motor apparent wind casing one end is fixedly connected with sealing cover, conflict at Fan casing sidewall in described sealing cover apparent wind casing one end, the fixing described motor apparent wind casing the other end is provided with locking device, described locking device is detachably fixedly connected on 2 slidable bars.
2. centrifugal blower according to claim 1, it is characterized in that: described slide part comprises fixed plate, slide plate, described fixed plate one side is fixedly connected on motor outer peripheral surface, described fixed plate opposite side is provided with the first circular groove, described slide plate one side is provided with the second circular groove, in described the first circular groove, be provided with thrust-bearing, the relative fixed plate opposite side of described thrust-bearing is conflicted in the second circular groove, described slide plate and fixed plate gap arrange, the relative fixed plate the other end of described slide plate is provided with slide blocks, described slide blocks is connected with sliding recess slippage.
3. centrifugal blower according to claim 2, it is characterized in that: described locking device comprises fixing column, lock nut, on described slidable bar, be equipped with fixed via, described fixing column is through 2 fixed vias, described fixing column central position is provided with tapped through hole, and described lock nut is conflicted on motor through tapped through hole.
4. centrifugal blower according to claim 3, is characterized in that: described fixing column two ends are respectively equipped with fixed groove, and described fixed groove and fixed via sidewall are suitable.
5. centrifugal blower according to claim 4, is characterized in that: described sealing cover apparent wind casing one side is provided with ring packing groove, in described ring packing groove, is provided with O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420432511.6U CN204003537U (en) | 2014-08-01 | 2014-08-01 | Centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420432511.6U CN204003537U (en) | 2014-08-01 | 2014-08-01 | Centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204003537U true CN204003537U (en) | 2014-12-10 |
Family
ID=52043544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420432511.6U Expired - Fee Related CN204003537U (en) | 2014-08-01 | 2014-08-01 | Centrifugal blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204003537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032058A (en) * | 2020-09-10 | 2020-12-04 | 安徽银龙泵阀股份有限公司 | Centrifugal pump convenient to dismantle maintenance |
-
2014
- 2014-08-01 CN CN201420432511.6U patent/CN204003537U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032058A (en) * | 2020-09-10 | 2020-12-04 | 安徽银龙泵阀股份有限公司 | Centrifugal pump convenient to dismantle maintenance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20180801 |