CN205371034U - Box centrifugal fan of improved generation - Google Patents
Box centrifugal fan of improved generation Download PDFInfo
- Publication number
- CN205371034U CN205371034U CN201620006774.XU CN201620006774U CN205371034U CN 205371034 U CN205371034 U CN 205371034U CN 201620006774 U CN201620006774 U CN 201620006774U CN 205371034 U CN205371034 U CN 205371034U
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- China
- Prior art keywords
- fixed
- tensioning
- impeller
- casing
- box
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Abstract
The utility model discloses a box centrifugal fan of improved generation, including box and impeller, the impeller setting is in the spiral case, and the spiral case is fixed in the box, exhaust vent on the air outlet of spiral case and the front bezel of box communicates with each other, is fixed with on the top surface of box to adjust the guide rail board, is fixed with the support frame on the inside bottom plate of box, and the motor setting is fixed with output tray on the output shaft of motor on adjusting the guide rail board, and the impeller is fixed on the connecting axle, the box is fixed with the tensioning piece on being close to the lateral wall of input dish, and the middle part of tensioning piece has the tensioning spout, and the slider plug bush is fixed with the tensioning main shaft on the slider in the tensioning spout, be fixed with the take -up pulley on the tensioning main shaft, and the take -up pulley presses on the drive belt, and the one end of tensioning spout is fixed with the spring. Its motor simple to operate, the position can the automatic fine tuning, and simultaneously, its take -up pulley that has can guarantee always that tension of the transmission belt on input dish and output tray, guarantees fan normal operating.
Description
Technical field:
This utility model relates to ventilation installation's technical field, more specifically to a kind of improved box-type centrifugal blower.
Background technology:
What existing centrifugal blower adopted is external motor-driven, motor is fixed on outside casing by it, by transmission V belt translation, but transmission is run after the time of one end due to abrasion and deformation with problem, the rate of tension effect making transmission band declines, thus easily skidding, impact uses, meanwhile, after external motor is arranged on track, it needs to ensure that input disc and output panel align, this makes punching in orbit need accurately, otherwise installation can produce skew, and impact uses so that installation difficulty increases.
Utility model content:
The purpose of this utility model is aiming at the deficiency of prior art, and a kind of improved box-type centrifugal blower is provided, its motor is easy for installation, position can automatic fine tuning, simultaneously, its regulating wheel having can ensure that transmission band is stretched on input disc and output panel always, it is ensured that blower fan is properly functioning.
Technology solution of the present utility model is as follows:
A kind of improved box-type centrifugal blower, including casing and impeller, impeller is arranged in spiral case, spiral case is fixed in casing, the air outlet of described spiral case communicates with the exhaust vent on the header board of casing, the end face of casing is fixed with adjustment guide-rail plate, the internal backplane of casing is fixed with bracing frame, motor is arranged on adjustment guide-rail plate, the output shaft of motor is fixed with output panel, impeller is fixed on connection axle, the air inlet all formed on the left side wall of spiral case and right side wall is stretched out at the two ends connecting axle, and on the bearing on the bracing frame that is provided with of the left and right sides being fixed on spiral case；The one end connecting axle is stretched out casing and is fixed with input disc, and transmission band is stretched on output panel and input disc, and the back plate of casing forms fresh air inlet, and fresh air inlet communicates with air inlet, and exhaust vent and fresh air inlet are in same direction；
Described casing is fixed with tensioning block on the lateral wall of input disc, the middle part of tensioning block has tensioning chute, slide block sleeve is in tensioning chute, slide block is fixed with tensioning main shaft, tensioning main shaft is fixed with regulating wheel, regulating wheel is pressed against on the belt, one end of tensioning chute is fixed with spring, the other end of tensioning chute is placed with compact heap, compact heap is fixed with buffer spring, compact heap is put forth effort in buffer spring one end, the other end of buffer spring is put forth effort on a sidewall of slide block, one end of spring is put forth effort on the medial wall, one end of tensioning chute, the other end of spring is put forth effort on another sidewall of slide block, tensioning block is bolted with adjusting bolt on a sidewall of compact heap, one end of adjusting bolt is fixed on compact heap, the head of adjusting bolt stretches out tensioning block.
The described adjustment guide-rail plate upper in-plane near one end of transmission band has regulating tank, regulating tank is inserted with adjusting screw rod, the two ends of adjusting screw rod are hinged on the medial wall, two ends of regulating tank, motor is fixed on slide plate, the bottom surface of slide plate leans against on adjustment guide-rail plate, and the sliding part sleeve that the bottom of slide plate is fixed with and is screwed onto in adjusting screw rod in regulating tank.
Described adjustment guide-rail plate has groove away from a middle side part of transmission band, the sidewall of groove is fixed with fine adjustment motor, being fixed with adjustment gear on the output shaft of fine adjustment motor, one end of adjusting screw rod is stretched in groove and is fixed with travelling gear, regulates gear and is meshed with travelling gear.
Described impeller is forward-type impeller, and the blade profile of impeller is arc-shaped, and the bending direction of blade is identical with impeller direction of rotation.
The base plate back side of described casing is fixed with two and connects channel-section steel.
The beneficial effects of the utility model are in that:
Its motor is easy for installation, position can automatic fine tuning, meanwhile, its regulating wheel having can ensure that transmission band is stretched on input disc and output panel always, it is ensured that blower fan is properly functioning.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model；
Fig. 2 is partial sectional view of the present utility model；
Fig. 3 is front view of the present utility model；
Fig. 4 is the partial sectional view that adjustment guide-rail plate of the present utility model is adjacent parts；
Fig. 5 is the partial structurtes schematic diagram of tensioning block of the present utility model and adjacent component；
Fig. 6 is the partial sectional view between slide block of the present utility model and tensioning block.
Detailed description of the invention:
Embodiment: see that Fig. 1 is to shown in 6, a kind of improved box-type centrifugal blower, including casing 1 and impeller 2, impeller 2 is arranged in spiral case 3, spiral case 3 is fixed in casing 1, the air outlet 31 of described spiral case 3 communicates with the exhaust vent 11 on the header board of casing 1, the end face of casing 1 is fixed with adjustment guide-rail plate 4, the internal backplane of casing 1 is fixed with bracing frame 5, motor 6 is arranged on adjustment guide-rail plate 4, the output shaft of motor 6 is fixed with output panel 61, impeller 2 is fixed on connection axle 7, the air inlet 32 all formed on the left side wall of spiral case 3 and right side wall is stretched out at the two ends connecting axle 7, and on the bearing 51 on the bracing frame 5 that is provided with of the left and right sides being fixed on spiral case 3；The one end connecting axle 7 is stretched out casing 1 and is fixed with input disc 71, and transmission band 8 is stretched on output panel 61 and input disc 71, and the back plate of casing 1 forms fresh air inlet 12, and fresh air inlet 12 communicates with air inlet 32, and exhaust vent 11 and fresh air inlet 12 are in same direction；
nullDescribed casing 1 is fixed with tensioning block 9 on the lateral wall of input disc 71，The middle part of tensioning block 9 has tensioning chute 91，Slide block 92 sleeve is in tensioning chute 91，Slide block 92 is fixed with tensioning main shaft 93，Tensioning main shaft 93 is fixed with regulating wheel 94，Regulating wheel 94 is pressed against on transmission band 8，One end of tensioning chute 91 is fixed with spring 95，The other end of tensioning chute 91 is placed with compact heap 96，Compact heap 96 is fixed with buffer spring 97，Compact heap 96 is put forth effort in buffer spring 97 one end，The other end of buffer spring 97 is put forth effort on a sidewall of slide block 92，One end of spring 95 is put forth effort on the medial wall, one end of tensioning chute 91，The other end of spring 95 is put forth effort on another sidewall of slide block 92，Tensioning block 9 is bolted with adjusting bolt 98 on a sidewall of compact heap 96，One end of adjusting bolt 98 is fixed on compact heap 96，The head of adjusting bolt 98 stretches out tensioning block 9.
Further, described adjustment guide-rail plate 4 has regulating tank 41 near the transmission upper in-plane with one end of 8, regulating tank 41 is inserted with adjusting screw rod 42, the two ends of adjusting screw rod 42 are hinged on the medial wall, two ends of regulating tank 41, motor 6 is fixed on slide plate 43, the bottom surface of slide plate 43 leans against on adjustment guide-rail plate 4, and sliding part 44 sleeve that the bottom of slide plate 43 is fixed with and is screwed onto in adjusting screw rod 42 in regulating tank 41.
Further, described adjustment guide-rail plate 4 away from transmission with 8 a middle side part there is groove 45, the sidewall of groove 45 is fixed with fine adjustment motor 46, the output shaft of fine adjustment motor 46 is fixed with adjustment gear 461, travelling gear 421 is stretched in groove 45 and be fixed with in one end of adjusting screw rod 42, regulates gear 461 and is meshed with travelling gear 421.
Further, described impeller 2 is forward-type impeller, and blade 2 cross section of impeller 2 is arc-shaped, and the bending direction of blade 21 is identical with impeller direction of rotation.
Further, the base plate back side of described casing 1 is fixed with two and connects channel-section steel 13.
Operation principle: air-flow enters from the fresh air inlet 11 of the back plate of casing 1, subsequently into the air inlet 32 of spiral case 3, then passes through impeller 2 and drives and discharge from air outlet 31.
Being run by fine adjustment motor 46 so that adjusting screw rod 42 rotates, moving along regulating guide-rail plate 4 thus realizing slide plate 43, motor 6 on slide plate 43 can be moved, so that output panel 61 can with input disc 71 consistency from top to bottom, it is ensured that normal operation, it is easy for installation.
And by rotating adjusting bolt 98, regulate compact heap 96 and be pressed against the power of buffer spring 97, so that the elastic force of buffer spring 97 is more than the spring 95 power to slide block 92, regulating wheel 94 is made to be pressed firmly against on transmission band 8, when transmission band 8 weares and teares after to a certain degree, slide block 92 can be made to automatically move by the active force of buffer spring 97, it is ensured that regulating wheel 94 is pressed against on transmission band 8, thus ensureing that blower fan is properly functioning, improve service life.
Claims (5)
- null1. an improved box-type centrifugal blower，Including casing (1) and impeller (2)，Impeller (2) is arranged in spiral case (3)，Spiral case (3) is fixed in casing (1)，It is characterized in that: the air outlet (31) of described spiral case (3) communicates with the exhaust vent (11) on the header board of casing (1)，The end face of casing (1) is fixed with adjustment guide-rail plate (4)，The internal backplane of casing (1) is fixed with bracing frame (5)，Motor (6) is arranged in adjustment guide-rail plate (4)，The output shaft of motor (6) is fixed with output panel (61)，Impeller (2) is fixed in connection axle (7)，The air inlet (32) all formed on the left side wall of spiral case (3) and right side wall is stretched out at the two ends connecting axle (7)、And on the bearing (51) on the bracing frame (5) that is provided with of the left and right sides being fixed on spiral case (3)；The one end connecting axle (7) is stretched out casing (1) and is fixed with input disc (71), transmission band (8) is stretched on output panel (61) and input disc (71), the back plate of casing (1) forms fresh air inlet (12), fresh air inlet (12) communicates with air inlet (32), and exhaust vent (11) and fresh air inlet (12) are in same direction；nullDescribed casing (1) is fixed with tensioning block (9) on the lateral wall of input disc (71)，The middle part of tensioning block (9) has tensioning chute (91)，Slide block (92) sleeve is in tensioning chute (91)，Slide block (92) is fixed with tensioning main shaft (93)，Tensioning main shaft (93) is fixed with regulating wheel (94)，Regulating wheel (94) is pressed against on transmission band (8)，One end of tensioning chute (91) is fixed with spring (95)，The other end of tensioning chute (91) is placed with compact heap (96)，Compact heap (96) is fixed with buffer spring (97)，Compact heap (96) is put forth effort in buffer spring (97) one end，The other end of buffer spring (97) is put forth effort on a sidewall of slide block (92)，One end of spring (95) is put forth effort on the medial wall, one end of tensioning chute (91)，The other end of spring (95) is put forth effort on another sidewall of slide block (92)，Tensioning block (9) is bolted with adjusting bolt (98) on a sidewall of compact heap (96)，One end of adjusting bolt (98) is fixed on compact heap (96)，The head of adjusting bolt (98) stretches out tensioning block (9).
- 2. a kind of improved box-type centrifugal blower according to claim 1, it is characterized in that: the described adjustment guide-rail plate (4) the upper in-plane near one end of transmission band (8) has regulating tank (41), regulating tank (41) is inserted with adjusting screw rod (42), the two ends of adjusting screw rod (42) are hinged on the medial wall, two ends of regulating tank (41), motor (6) is fixed on slide plate (43), the bottom surface of slide plate (43) leans against in adjustment guide-rail plate (4), sliding part (44) sleeve that the bottom of slide plate (43) is fixed with is in regulating tank (41) and is screwed onto in adjusting screw rod (42).
- 3. a kind of improved box-type centrifugal blower according to claim 2, it is characterized in that: described adjustment guide-rail plate (4) has groove (45) away from a middle side part of transmission band (8), the sidewall of groove (45) is fixed with fine adjustment motor (46), the output shaft of fine adjustment motor (46) is fixed with adjustment gear (461), travelling gear (421) is stretched in groove (45) and be fixed with in one end of adjusting screw rod (42), regulates gear (461) and is meshed with travelling gear (421).
- 4. a kind of improved box-type centrifugal blower according to claim 1, it is characterized in that: described impeller (2) is forward-type impeller, blade (21) cross section of impeller (2) is arc-shaped, and the bending direction of blade (21) is identical with impeller direction of rotation.
- 5. a kind of improved box-type centrifugal blower according to claim 1, it is characterised in that: the base plate back side of described casing (1) is fixed with two and connects channel-section steel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620006774.XU CN205371034U (en) | 2016-01-05 | 2016-01-05 | Box centrifugal fan of improved generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620006774.XU CN205371034U (en) | 2016-01-05 | 2016-01-05 | Box centrifugal fan of improved generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205371034U true CN205371034U (en) | 2016-07-06 |
Family
ID=56274973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620006774.XU Expired - Fee Related CN205371034U (en) | 2016-01-05 | 2016-01-05 | Box centrifugal fan of improved generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205371034U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704246A (en) * | 2016-12-20 | 2017-05-24 | 株洲联诚集团有限责任公司 | Machine frame structure of double-centrifugal-impeller draught fan of high-speed train |
| CN109026793A (en) * | 2018-10-10 | 2018-12-18 | 镇江市丹徒区粮机厂有限公司 | A kind of energy conservation low-leak type blower |
| CN109931281A (en) * | 2019-03-18 | 2019-06-25 | 深圳市创智联科技发展有限公司 | A kind of centrifugal fan that connection precision is high |
| CN109931280A (en) * | 2019-03-18 | 2019-06-25 | 深圳市创智联科技发展有限公司 | A kind of dust exhausting centrifugal ventilator with automatic adjustment rate of tension |
| CN110878757A (en) * | 2019-11-28 | 2020-03-13 | 浙江越舜风机有限公司 | Cabinet type fan of environmental protection |
| CN115264586A (en) * | 2022-07-11 | 2022-11-01 | 珠海格力电器股份有限公司 | Air conditioner casing assembly and air conditioner indoor unit |
-
2016
- 2016-01-05 CN CN201620006774.XU patent/CN205371034U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704246A (en) * | 2016-12-20 | 2017-05-24 | 株洲联诚集团有限责任公司 | Machine frame structure of double-centrifugal-impeller draught fan of high-speed train |
| CN106704246B (en) * | 2016-12-20 | 2022-08-16 | 湖南联诚轨道装备有限公司 | Rack structure of high-speed train double-centrifugal-impeller fan |
| CN109026793A (en) * | 2018-10-10 | 2018-12-18 | 镇江市丹徒区粮机厂有限公司 | A kind of energy conservation low-leak type blower |
| CN109931281A (en) * | 2019-03-18 | 2019-06-25 | 深圳市创智联科技发展有限公司 | A kind of centrifugal fan that connection precision is high |
| CN109931280A (en) * | 2019-03-18 | 2019-06-25 | 深圳市创智联科技发展有限公司 | A kind of dust exhausting centrifugal ventilator with automatic adjustment rate of tension |
| CN110878757A (en) * | 2019-11-28 | 2020-03-13 | 浙江越舜风机有限公司 | Cabinet type fan of environmental protection |
| CN115264586A (en) * | 2022-07-11 | 2022-11-01 | 珠海格力电器股份有限公司 | Air conditioner casing assembly and air conditioner indoor unit |
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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 |
Granted publication date: 20160706 Termination date: 20190105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |