CN209781243U - three-element inlet blade centrifugal ventilator - Google Patents
three-element inlet blade centrifugal ventilator Download PDFInfo
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- CN209781243U CN209781243U CN201920296278.6U CN201920296278U CN209781243U CN 209781243 U CN209781243 U CN 209781243U CN 201920296278 U CN201920296278 U CN 201920296278U CN 209781243 U CN209781243 U CN 209781243U
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Abstract
The utility model discloses a ternary import blade centrifugal fan, the on-line screen storage device comprises a base, the upper end middle part of base is provided with the support frame, the upper end of base is close to one side of support frame is provided with the control box, the middle part of control box is provided with the operation button, be provided with on the control box with the timing device that the operation button is connected, motor one is kept away from the one end of control box is provided with the output shaft, the one end of motor one is provided with the casing, the inside middle part of casing is provided with the impeller, the middle part of casing be provided with the main shaft that the impeller cooperateed and connects, the main shaft with motor one cooperate through the shaft coupling and connect between the output shaft, one side of casing is provided with the air-supply line, upper end one side of base with be. Has the advantages that: the working reliability and the economy are good, the work is stable, the operation is reliable, and the cleaning is convenient.
Description
Technical Field
The utility model relates to a centrifugal fan technical field particularly, relates to a ternary import blade centrifugal fan.
Background
The ventilator is widely applied to the air supply and air induction in various industries such as metallurgy, chemical engineering, machinery, electric power and the like, particularly, the ventilator of a boiler matched with equipment of a thermal power plant is an important auxiliary machine, the working efficiency and the reliability of the ventilator are very important, in order to improve the working stability of the whole machine, the fan with a double suction structure is provided, but the span of a main shaft is large and thick, so the cost of the fan is high, after the fan is used for a period of time, when the dirt remained on an impeller is cleaned regularly, an air net and a fan air inlet chamber need to be disassembled, the cleaning and the maintenance are very inconvenient, and meanwhile, under the action of wind force or in the cleaning process, larger dust can slide down at the bottom end of an inner cavity of a centrifugal ventilator, and the cleaning is not.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem among the correlation technique, the utility model provides a ternary import blade centrifugal fan to overcome the above-mentioned technical problem that current correlation technique exists.
Therefore, the utility model discloses a specific technical scheme as follows:
A three-element inlet vane centrifugal ventilator comprises a base, wherein a support frame is arranged in the middle of the upper end of the base, a control box is arranged at one side of the upper end of the base close to the supporting frame, an operation key is arranged in the middle of the control box, the control box is provided with a timing device connected with the operation key, the top of the support frame is provided with a first motor matched and connected with the control box, an output shaft is arranged at one end of the first motor far away from the control box, a shell is arranged at one end of the first motor close to the output shaft, the middle part of the inside of the casing is provided with an impeller, the middle part of the casing is provided with a main shaft which is matched and connected with the impeller, the spindle and the output shaft of the motor I are connected in a matched mode through a coupler, an air inlet pipe is arranged on one side of the casing, and a dust collecting device is arranged between one side of the upper end of the base and the lower end through hole of the casing.
Furthermore, the lower extreme both sides of base all are provided with the vibration damping disk.
Furthermore, one side of the operation key is provided with a quick closing button.
Furthermore, a hanging ring is arranged in the middle of the upper end of the motor.
Furthermore, a front disc and a rear disc are respectively arranged at two ends of the impeller, the front disc is positioned at two sides of the impeller far away from the rear disc, the front disc and the impeller are fixedly installed on the main shaft, a plurality of blades are alternately arranged between the front disc and the rear disc in a circumferential manner, and the blades consist of ternary twisted blade profiles and binary blade profiles.
further, the dust collecting device comprises a dust collecting box positioned between the base and the through hole of the machine shell, a second motor is arranged on one side of the dust collection box, a driving gear is arranged on a driving shaft of the second motor, a clapboard is arranged in the middle of the upper end of the dust collection box, a rotating gear matched with the driving gear is arranged on the clapboard, a plurality of arc-shaped grooves are arranged on the rotating gear, a pin rod matched with the arc-shaped grooves is arranged between the partition board and the top of the dust collecting box, a fixing ring is arranged at the upper end of the middle round hole of the clapboard and below the through hole of the machine shell, the lower end of the fixing ring is movably connected with a plurality of hinges, driven connecting rods matched with the rotating gears are arranged between the hinges and the rotating gears, and a dust collecting and collecting plate matched with the sliding groove at the lower end of the dust collecting box is arranged below the hinge.
The utility model provides a three-element inlet blade centrifugal fan, beneficial effect as follows: the utility model discloses a control box accommodate motor changes the rotational speed of centrifugal fan impeller, and then control amount of wind and wind pressure, to opening and the closure of baffle under dust collecting device's effect, the handle on the collection board of collection dirt is pulled out simultaneously, be convenient for to the clearance of dust, blade through the impeller adopts the ternary to distort the blade profile, therefore impeller work efficiency is high, wearing and tearing are little, complete machine design main shaft span is less, the cost is lower, operational reliability and economic nature are all relatively good, and work is steady, the operation is reliable, the advantage of convenient clearance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a three-element inlet vane centrifugal fan according to an embodiment of the present invention;
Fig. 2 is a schematic view of an impeller of a three-element inlet vane centrifugal fan according to an embodiment of the present invention;
Fig. 3 is a schematic view of a dust collecting device of a three-element inlet vane centrifugal fan according to an embodiment of the present invention.
In the figure:
1. A base; 2. a support frame; 3. a control box; 4. operating a key; 5. a timing device; 6. a first motor; 7. an output shaft; 8. a housing; 9. an impeller; 10. a main shaft; 11. a coupling; 12. an air inlet pipe; 13. A dust collecting device; 14. a damper disc; 15. a quick close button; 16. a hoisting ring; 17. a front plate; 18. a rear disc; 19. a blade; 20. a dust collection box; 21. a second motor; 22. a drive gear; 23. a partition plate; 24. a rotating gear; 25. an arc-shaped slot; 26. a pin rod; 27. a fixing ring; 28. a hinge; 29. a driven connecting rod; 30. A dust collecting and collecting plate.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides a ternary import blade centrifugal fan.
The first embodiment is as follows:
As shown in fig. 1-3, the three-element centrifugal ventilator with inlet blades according to the embodiment of the present invention comprises a base 1, a supporting frame 2 is disposed in the middle of the upper end of the base 1, a control box 3 is disposed on one side of the upper end of the base 1 close to the supporting frame 2, an operation button 4 is disposed in the middle of the control box 3, a timing device 5 connected to the operation button 4 is disposed on the control box 3, a first motor 6 connected to the control box 3 is disposed on the top of the supporting frame 2, an output shaft 7 is disposed on one end of the first motor 6 away from the control box 3, a housing 8 is disposed on one end of the first motor 6 close to the output shaft 7, an impeller 9 is disposed in the middle of the housing 8, a main shaft 10 connected to the impeller 9 is disposed in the middle of the housing 8, the main shaft 10 is connected to the output shaft 7 of the first motor 6 by a coupling 11, an air inlet pipe 12 is arranged on one side of the machine shell 8, and a dust collecting device 13 is arranged between one side of the upper end of the base 1 and the through hole at the lower end of the machine shell 8.
by means of the above-mentioned technical scheme, change centrifugal fan impeller 9's rotational speed through control box 3 regulating motor 6, and then control amount of wind and wind pressure, to opening and closing of baffle 23 under dust collector 13's effect, the handle on collection dirt collecting plate 30 is pulled out simultaneously, be convenient for to the clearance of dust, blade 19 through impeller 9 adopts the ternary to distort the leaf type, therefore impeller work efficiency is high, wearing and tearing are little, the whole machine design main shaft span is smaller, the cost is lower, operational reliability and economic nature are all better, and job stabilization, the operation is reliable, the advantage of convenient clearance.
Example two:
as shown in fig. 1-3, the damping discs 14 are arranged on both sides of the lower end of the base 1. A quick closing button 15 is arranged on one side of the operating key 4. And a hanging ring 16 is arranged in the middle of the upper end of the motor. The impeller is characterized in that a front disc 17 and a rear disc 18 are respectively arranged at two ends of the impeller 9, the front disc 17 is located on two sides, far away from the rear disc 18, of the impeller 9, the front disc 17 and the impeller 9 are fixedly installed on the main shaft 10, a plurality of blades 19 are alternately arranged between the front disc 17 and the rear disc 18 in a circumferential mode, and the blades 19 are composed of a ternary twisted blade type and a binary blade type. The dust collecting device 13 includes a dust box 20 between the base 1 and the through hole of the housing 8, a second motor 21 is arranged at one side of the dust collection box 20, a driving gear 22 is arranged on a driving shaft of the second motor 21, a clapboard 23 is arranged in the middle of the upper end of the dust collection box 20, a rotating gear 24 matched with the driving gear 22 is arranged on the clapboard 23, a plurality of arc-shaped grooves 25 are arranged on the rotating gear 24, a pin 26 matched with the arc-shaped grooves 25 is arranged between the clapboard 23 and the top of the dust collection box 20, a fixing ring 27 is arranged at the upper end of the middle round hole of the clapboard 23 and below the through hole of the machine shell 8, the lower end of the fixed ring 27 is movably connected with a plurality of hinges 28, driven connecting rods 29 matched with the rotating gears 24 are arranged between the hinges 28 and the rotating gears 24, a dust collecting and collecting plate 30 matched with the sliding groove at the lower end of the dust collecting box 20 is arranged below the hinge 28.
The working principle is as follows: when the device is used, the device is electrically connected, the operation key 4 on the control box 3 starts the motor I6 to move, the output shaft 7 at the front end of the motor I6 is connected with the spindle 10 of the centrifugal ventilator shell 8 through the coupler 11, the rotating speed of the motor I6 is adjusted through the operation key 4 on the control box 3 to change the rotating speed of the centrifugal ventilator impeller 9, the air volume and the air pressure are further controlled, the impeller 9 is driven to rotate through the motor I6, the middle blade 19 of the impeller 9 rotates gas, the blades form work on the gas by the ternary twisted blade type and the binary blade type, the capacity is increased, the gas is thrown around under the action of centrifugal force, the gas is discharged from the impeller 9 under pressure and is discharged through the air outlet, meanwhile, under the action of the blades 19, larger dust slides to the bottom end of the shell 8 and finally slides to the dust collection plate 30, the electric two 21 of the dust collecting device 13 rotates the driving gear 22 to drive the rotating gear 24 to move on the arc-shaped groove 25, so that the rotating gear 24 and the fixed ring 27 move, the hinge 28 is driven by the driven connecting rod 29 to open and close, and the dust collecting and collecting plate 30 is sealed, when the dust collecting and collecting plate 30 has more dust, the handle on the dust collecting and collecting plate 30 can be pulled out, and the dust can be conveniently cleaned.
To sum up, with the help of the utility model discloses an above-mentioned technical scheme, change centrifugal fan impeller 9's rotational speed through 3 regulating motor 6 of control box, and then control amount of wind and wind pressure, to opening and being closed of baffle 23 under dust collector 13's effect, the handle on album dirt collecting plate 30 is pulled out simultaneously, be convenient for to the clearance of dust, blade 19 through impeller 9 adopts the ternary to distort the leaf type, therefore impeller work efficiency is high, wearing and tearing are little, the whole machine design main shaft span is smaller, the cost is lower, operational reliability and economic nature are all relatively good, and the steady operation, the operation is reliable, the advantage of convenient clearance.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The three-element inlet vane centrifugal ventilator is characterized by comprising a base (1), a support frame (2) is arranged in the middle of the upper end of the base (1), a control box (3) is arranged on one side, close to the support frame (2), of the upper end of the base (1), an operation key (4) is arranged in the middle of the control box (3), a timing device (5) connected with the operation key (4) is arranged on the control box (3), a first motor (6) matched and connected with the control box (3) is arranged at the top of the support frame (2), an output shaft (7) is arranged at one end, far away from the control box (3), of the first motor (6), a casing (8) is arranged at one end, close to the output shaft (7), of the first motor (6), an impeller (9) is arranged in the middle of the casing (8), the middle part of casing (8) be provided with main shaft (10) that impeller (9) cooperate to be connected, main shaft (10) with motor (6) cooperate through shaft coupling (11) between output shaft (7) to be connected, one side of casing (8) is provided with air-supply line (12), the upper end one side of base (1) with be provided with dust collecting device (13) between the lower extreme through-hole of casing (8).
2. The three-element inlet vane centrifugal fan according to claim 1, characterized in that the damping discs (14) are arranged on both sides of the lower end of the base (1).
3. a three-element inlet vane centrifugal ventilator according to claim 1, characterized in that one side of the operating button (4) is provided with a quick-closing button (15).
4. The three-element inlet vane centrifugal ventilator according to claim 1, characterized in that the upper middle part of the motor is provided with a hanging ring (16).
5. The three-element inlet vane centrifugal ventilator according to claim 1, characterized in that a front disc (17) and a rear disc (18) are respectively arranged at two ends of the impeller (9), the front disc (17) is positioned at two sides of the impeller (9) far away from the rear disc (18), the front disc (17) and the impeller (9) are both fixedly installed on the main shaft (10), a plurality of vanes (19) are alternately arranged between the front disc (17) and the rear disc (18) in a circumferential manner, and the vanes (19) are composed of a three-element twisted vane type and a two-element vane type.
6. The three-element inlet vane centrifugal ventilator according to claim 1, wherein the dust collecting device (13) comprises a dust collecting box (20) positioned between the base (1) and the through hole of the casing (8), one side of the dust collecting box (20) is provided with a second motor (21), a driving gear (22) is arranged on a driving shaft of the second motor (21), a partition plate (23) is arranged in the middle of the upper end of the dust collecting box (20), a rotating gear (24) matched with the driving gear (22) is arranged on the partition plate (23), a plurality of arc-shaped grooves (25) are arranged on the rotating gear (24), a pin rod (26) matched with the arc-shaped grooves (25) is arranged between the partition plate (23) and the top of the dust collecting box (20), a fixing ring (27) is arranged at the upper end of a middle round hole of the partition plate (23) and below the through hole of the casing (8), the lower end of the fixing ring (27) is movably connected with a plurality of hinges (28), driven connecting rods (29) matched with the rotating gears (24) are arranged between the hinges (28) and the rotating gears (24), and dust collection and collection plates (30) matched with sliding grooves at the lower ends of the dust collection boxes (20) are arranged below the hinges (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920296278.6U CN209781243U (en) | 2019-03-09 | 2019-03-09 | three-element inlet blade centrifugal ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920296278.6U CN209781243U (en) | 2019-03-09 | 2019-03-09 | three-element inlet blade centrifugal ventilator |
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| Publication Number | Publication Date |
|---|---|
| CN209781243U true CN209781243U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920296278.6U Active CN209781243U (en) | 2019-03-09 | 2019-03-09 | three-element inlet blade centrifugal ventilator |
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| CN (1) | CN209781243U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962606A (en) * | 2020-08-11 | 2020-11-20 | 黄长克 | Rainwater collection and purification system for Internet of things |
| CN113074125A (en) * | 2021-04-19 | 2021-07-06 | 宿迁苏博科技信息有限公司 | Novel centrifugal fan |
-
2019
- 2019-03-09 CN CN201920296278.6U patent/CN209781243U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962606A (en) * | 2020-08-11 | 2020-11-20 | 黄长克 | Rainwater collection and purification system for Internet of things |
| CN111962606B (en) * | 2020-08-11 | 2021-06-29 | 黄长克 | Rainwater collection and purification system for Internet of things |
| CN113074125A (en) * | 2021-04-19 | 2021-07-06 | 宿迁苏博科技信息有限公司 | Novel centrifugal fan |
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