CN112360777A

CN112360777A - Diversion supercharging energy-saving centrifugal fan

Info

Publication number: CN112360777A
Application number: CN202011192088.3A
Authority: CN
Inventors: 鲍岚; 臧龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-12

Abstract

The invention relates to the field of centrifugal fans, in particular to a flow-guiding pressure-boosting energy-saving centrifugal fan which comprises a shell mechanism, wherein an air draft mechanism is arranged inside the shell mechanism, the surface of the air draft mechanism is rotatably connected with a rotating mechanism, the surface of one side of the air draft mechanism is provided with a plurality of linkage mechanisms, the surface of the other side of the air draft mechanism is provided with an adjusting mechanism, a second annular rack is driven to rotate by an adjusting toothed ring, the second annular rack drives a rotating ring to rotate, the rotating ring drives a first annular rack to rotate, the first annular rack drives a gear to move when rotating, an L-shaped rod is driven to rotate around a fixed rod by the gear, and then a fixed square barrel is driven to push fan blades to rotate around the fixed rod, so that the inclination angle of the fan blades is changed, when the air pressure of the fan needs to be adjusted and the air volume is, thereby greatly reducing the use cost.

Description

Diversion supercharging energy-saving centrifugal fan

Technical Field

The invention relates to the field of centrifugal fans, in particular to a diversion supercharging energy-saving centrifugal fan.

Background

The centrifugal fan is a driven fluid machine which is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial kilns, cooling and ventilation of air conditioning equipment and household electrical equipment, drying and sorting of grains, air supply of wind tunnels and inflation and propulsion of air cushion boats and the like.

The current centrifugal fan has effects such as water conservancy diversion pressure boost is energy-conserving, but the fixed setting of blade on the centrifugal fan impeller, the distortion angle of fan blade is designed according to the demand of fan, wind pressure and the amount of wind that needs through the fan need decide, when fan inclination is big, the great amount of wind pressure is less, when fan inclination is little, the less amount of wind pressure is great, make the flabellum inclination of fan can cause the influence to the wind pressure and the amount of wind influence of fan, and fixed fan film makes the unable wind pressure and the amount of wind of adjusting output according to the demand of fan, need change different fans when the different wind pressure of needs and the amount of wind, make use cost greatly increased.

Disclosure of Invention

The invention provides a diversion supercharging energy-saving centrifugal fan, aiming at the problems that in the prior art, blades on a release fan impeller are fixedly arranged, the twisting angle of a fan blade is designed according to the requirements of the fan, the wind pressure and the wind volume required by the fan are determined, when the inclination angle of the fan is large, the wind pressure is large, the wind volume is small, when the inclination angle of the fan is small, the wind pressure is small, the wind volume is large, the influence of the inclination angle of fan blades on the wind pressure and the wind volume of the fan is caused, the fixed fan film enables the fan not to adjust the output wind pressure and wind volume according to the requirements, and when different wind pressures and wind volumes are required, different fans need to be replaced, so that the use cost is greatly increased.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an energy-conserving centrifugal fan of water conservancy diversion pressure boost, includes shell mechanism, shell mechanism is provided with exhaust mechanism on the surface, exhaust mechanism's rotation is connected with slewing mechanism on the surface, one side of exhaust mechanism is provided with a plurality of link gear on the surface, be provided with adjustment mechanism on the opposite side surface of exhaust mechanism.

Specifically, shell mechanism includes casing, apron, air intake, fender ring, annular spout, goes out the tuber pipe, the opening part joint of casing has the apron, the air intake has been seted up to the center department of apron, the apron is located the inside one side fixedly connected with of casing and keeps off the ring, keep off the ring and seted up annular spout on the surface, fixed intercommunication has the play tuber pipe on the excircle lateral wall of casing.

Specifically, convulsions mechanism includes motor, pivot, first bearing, carousel, dead lever, flabellum, slip ring, motor fixed connection is in the lateral wall center department of casing, the output fixedly connected with pivot of motor, the pivot is rotated through first bearing and is connected on the outer wall of casing, the pivot extends to the inside one end fixedly connected with carousel of casing, it is a plurality of dead levers of centre of a circle equidistance fixedly connected with around the carousel on the opposite side lateral wall of carousel, it is a plurality of the dead lever rotate on the surface and be connected with a plurality of flabellums, it is a plurality of the other end fixed connection of dead lever is on one side lateral wall of same slip ring.

It is specific, slewing mechanism includes first spout, ball, second spout, ring groove, change, first annular rack, second annular rack, first spout is seted up on the excircle lateral wall of carousel, the inside joint of first spout has a plurality of balls, and is a plurality of the opposite side joint of ball is inside the second spout, the inside at ring groove is seted up to the second spout, ring groove sets up on the inner wall of change, it has first annular rack to fix the cover on the one side inner wall that the change is close to the apron, it has second annular rack to fix the cover on the one side inner wall that the apron was kept away from to the change.

Specifically, the link gear includes fixed square tube, spring, L shape pole, gear, fixed square tube fixed connection is on a side surface of the flabellum that corresponds, the inside fixedly connected with spring of fixed square tube, the other end fixedly connected with L shape pole of spring, L shape pole is pegged graft inside fixed square tube with spring coupling's one end, the other end fixedly connected with gear of L shape pole.

Specifically, the adjusting mechanism comprises a fixing column, an adjusting toothed ring, a threaded hole, a bolt, a pressing plate and an extrusion ring, the fixing column is fixedly connected to the side wall, away from the cover plate, of the rotary table, the adjusting toothed ring is movably sleeved on the surface of the fixing column, the threaded hole is formed in one end, away from the rotary table, of the fixing column, the bolt is in threaded connection with the inner portion of the threaded hole, the pressing plate is movably sleeved on the surface of the bolt, the extrusion ring is fixedly connected to the side wall, away from the adjusting toothed ring, of the side wall, of the adjusting toothed ring, and.

Specifically, the gear is meshed with the first annular rack.

Specifically, the adjusting gear ring is meshed with the second annular rack.

The invention has the beneficial effects that:

(1) according to the diversion supercharging energy-saving centrifugal fan, the second annular rack is driven to rotate through the arranged adjusting toothed ring, the second annular rack drives the rotating ring to rotate, the rotating ring drives the first annular rack to rotate, the first annular rack drives the gear to move when rotating, the L-shaped rod is driven to rotate around the fixed rod through the gear, the fixed square cylinder is further driven to push the fan blades to rotate around the fixed rod, the inclination angle of the fan blades is further changed, when the wind pressure and the wind volume of the fan need to be adjusted, the inclination angle of the fan blades can be directly adjusted, the need of using a plurality of fans is avoided, and the use cost is greatly reduced.

(2) According to the flow-guiding supercharging energy-saving centrifugal fan, the bolt is rotated to drive the bolt to extrude the pressing plate, the extruding ring is not extruded through the pressing plate, the adjusting gear is extruded and fixed by the extruding ring, the rotating ring is prevented from rotating, the inclination angle of the fan blade is fixed, the cover plate is clamped and fixed at the opening of the shell, the sliding ring is connected inside the annular sliding groove in a sliding mode, the fan is only provided with the air inlet and the air outlet pipe, and the influence of air flow loss on the output air flow of the fan is prevented.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of a diversion supercharging energy-saving centrifugal fan provided by the invention;

FIG. 2 is a schematic side view of a centrifugal fan with diversion, pressurization and energy saving provided by the present invention;

FIG. 3 is an enlarged view of a portion A in FIG. 1 of a flow-guiding pressure-increasing energy-saving centrifugal fan provided by the present invention;

FIG. 4 is an enlarged view of a portion B in FIG. 1 of a flow-guiding pressure-increasing energy-saving centrifugal fan provided by the present invention;

FIG. 5 is an enlarged view of a portion C in FIG. 1 of a flow-guiding pressure-increasing energy-saving centrifugal fan provided by the present invention;

FIG. 6 is an enlarged view of a portion D in FIG. 2 of a flow-guiding pressure-increasing energy-saving centrifugal fan provided by the present invention;

fig. 7 is a schematic structural view of a rotating ring of the diversion supercharging energy-saving centrifugal fan provided by the invention.

In the figure: 1. a housing mechanism; 11. a housing; 12. a cover plate; 13. an air inlet; 14. a baffle ring; 15. an annular chute; 16. an air outlet pipe; 2. an air draft mechanism; 21. a motor; 22. a rotating shaft; 23. a first bearing; 24. a turntable; 25. fixing the rod; 26. a fan blade; 27. a slip ring; 3. a rotating mechanism; 31. a first chute; 32. a ball; 33. a second chute; 34. an annular neck; 35. rotating the ring; 36. a first annular rack; 37. a second annular rack; 4. a linkage mechanism; 41. fixing the square cylinder; 42. a spring; 43. an L-shaped rod; 44. a gear; 5. an adjustment mechanism; 51. fixing a column; 52. adjusting the gear ring; 53. a threaded hole; 54. a bolt; 55. pressing a plate; 56. the ring is pressed.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-7, the centrifugal fan comprises a housing mechanism 1, an air draft mechanism 2 is disposed on the surface of the housing mechanism 1, a rotating mechanism 3 is rotatably connected to the surface of the air draft mechanism 2, a plurality of linkage mechanisms 4 are disposed on the surface of one side of the air draft mechanism 2, an adjusting mechanism 5 is disposed on the surface of the other side of the air draft mechanism 2, the housing mechanism 1 comprises a housing 11, a cover plate 12, an air inlet 13, a baffle ring 14, an annular chute 15, and an air outlet pipe 16, a cover plate 12 is clamped at an opening of the housing 11, the air inlet 13 is disposed at the center of the cover plate 12, the baffle ring 14 is fixedly connected to one side of the cover plate 12 located inside the housing 11, the annular chute 15 is disposed on the surface of the baffle ring 14, the air outlet pipe 16 is fixedly communicated with the outer circumferential side wall of the housing 11, and the cover plate, make slip ring 27 sliding connection inside annular spout 15, and then make the fan only have two openings of air intake 13 and air-out pipe 56, prevent that the air current from running off and causing the influence to the output air current of fan.

Specifically, air drafting mechanism 2 includes motor 21, pivot 22, first bearing 23, carousel 24, dead lever 25, flabellum 26, sliding ring 27, motor 21 fixed connection is in the lateral wall center department of casing 11, motor 21's output fixedly connected with pivot 22, pivot 22 rotates through first bearing 23 and connects on casing 11's outer wall, pivot 22 extends to the inside one end fixedly connected with carousel 24 of casing 11, centre of a circle equidistance fixedly connected with a plurality of dead levers 25 around carousel 24 on the opposite side lateral wall of carousel 24, a plurality of dead levers 25 rotate on the surface and be connected with a plurality of flabellums 26, the other end fixed connection of a plurality of dead levers 25 is on one side lateral wall of same sliding ring 27, motor 21 drives pivot 22 and rotates, pivot 22 drives carousel 24 and rotates, carousel 24 drives dead lever 25 and flabellum 26 and rotates, and then make flabellum 26 extract the air current.

Specifically, slewing mechanism 3 includes first spout 31, ball 32, second spout 33, ring groove 34, change 35, first annular rack 36, second annular rack 37, first spout 31 is seted up on the excircle lateral wall of carousel 24, the inside joint of first spout 31 has a plurality of balls 32, the opposite side joint of a plurality of balls 32 is inside second spout 33, second spout 33 is seted up in ring groove 34's inside, ring groove 34 is seted up on change 35's inner wall, change 35 fixed the cup jointing has first annular rack 36 on being close to one side inner wall of apron 12, change 35 keeps away from fixed cup jointing has second annular rack 37 on one side inner wall of apron 12, prop open change 35 and carousel 24 through ball 32, produce the friction when preventing carousel 24 and change 35 from rotating, and then prevent change 35 and 24 impaired rocking, and then prevent that the flabellum from rocking.

Specifically, the linkage mechanism 4 includes a fixed square cylinder 41, a spring 42, an L-shaped rod 43, and a gear 44, the fixed square cylinder 41 is fixedly connected to a side surface of the corresponding fan blade 26, the spring 42 is fixedly connected to the inside of the fixed square cylinder 41, the other end of the spring 42 is fixedly connected to the L-shaped rod 43, one end of the L-shaped rod 43 connected to the spring 42 is inserted into the fixed square cylinder 41, the other end of the L-shaped rod 43 is fixedly connected to the gear 44, the first annular rack 36 drives the engaged gear 44 to rotate around the center of the first annular rack 36, the gear 44 drives the L-shaped rod 43 to swing around the fixing rod 25 when moving, the L-shaped rod 43 drives the fixed square cylinder 41 to swing around the fixing rod 25, the fixed square cylinder 41 drives the fan blade 26 to rotate around the fixing rod 25, so as to adjust the angle of inclination of the fan blade 26, and adjust the wind pressure and wind volume, when the wind pressure and the wind volume of the output wind flow need to be changed, the change can be completed without replacing the fan, when the gear 44 moves, the L-shaped rod 43 is extruded by the spring 42 to move from the inside of the fixed square tube 41 to the outside, and then the gear 44 and the first annular rack 36 are extruded by the L-shaped rod 43 to be always in a meshed state, so that the fan blade 26 is prevented from rotating freely.

Specifically, the adjusting mechanism 5 includes a fixed column 51, an adjusting toothed ring 52, a threaded hole 53, a bolt 54, a pressing plate 55, and a pressing ring 56, the fixed column 51 is fixedly connected to a side wall of the turntable 24 away from the cover plate 12, the adjusting toothed ring 52 is movably sleeved on a surface of the fixed column 51, the threaded hole 53 is formed in one end of the fixed column 51 away from the turntable 24, the bolt 54 is connected to an internal thread of the threaded hole 53, the pressing plate 55 is movably sleeved on a surface of the bolt 54, the pressing ring 56 is fixedly connected to a side wall of the adjusting toothed ring 52, the pressing ring 56 is arranged corresponding to the pressing plate 55, the gear 44 is engaged with the first annular rack 36, the adjusting toothed ring 52 is engaged with the second annular rack 37, the bolt 54 is rotated to release the pressing of the pressing plate 55 by the bolt 54, and further release the pressing of the pressing plate 55 against the pressing ring 56, so that the pressing ring 56 releases the pressing fixation, then, the adjusting gear ring 52 is rotated to rotate the engaged second annular rack 37 around the rotating shaft 22, the second annular rack 37 rotates the rotating ring 35, and the rotating ring 35 rotates to drive the first annular rack 36 to rotate.

When the fan is used, when the fan needs to adjust the wind pressure and the wind volume of the output wind current, the cover plate 12 is taken down from the opening of the fan 11, then the bolt 54 is rotated to remove the pressing of the bolt 54 on the pressing plate 55, and further the pressing of the pressing plate 55 on the pressing ring 56 is removed, so that the pressing ring 56 removes the pressing and fixing of the adjusting gear ring 52, and further the adjusting gear 52 can rotate, and then the adjusting gear ring 52 is rotated to drive the meshed second annular rack 37 to rotate around the rotating shaft 22, the second annular rack 37 drives the rotating ring 35 to rotate, when the rotating ring 35 rotates, the first annular rack 36 is driven to rotate, the meshed gear 44 is driven to rotate around the center of the first annular rack 36, when the gear 44 moves, the L-shaped rod 43 is driven to swing around the fixing rod 25, the L-shaped rod 43 drives the fixing square cylinder 41 to swing around the fixing rod 25, and the fixing square cylinder 41 drives the fan, further adjusting the inclination angle of the fan blade 26, adjusting the wind pressure and the wind volume of the fan output wind flow, further changing the wind pressure and the wind volume of the output wind flow without replacing the fan, when the gear 44 moves, the spring 42 extrudes the L-shaped rod 43 to move from the inside of the fixed square tube 41 to the outside, further the L-shaped rod 43 extrudes the gear 44 and the first annular rack 36 to be always in a meshed state, preventing the fan blade 26 from rotating randomly, after the adjustment is completed, the rotating bolt 54 drives the bolt 54 to extrude the pressing plate 55, and the pressing plate 55 does not extrude the extrusion ring 56, so that the extrusion ring 56 extrudes and fixes the adjusting gear 52, further preventing the rotation ring 35 from rotating, fixing the inclination angle of the fan blade 26, then clamping and fixing the cover plate 12 at the opening of the housing 11, and enabling the sliding ring 27 to be slidably connected inside the annular chute 15, and then make the fan only have two openings of air intake 13 and air-out pipe 56, prevent that the air current from losing and causing the influence to the output air current of fan.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a water conservancy diversion pressure boost energy-conserving centrifugal fan, includes shell mechanism (1), its characterized in that: the shell mechanism is characterized in that an air draft mechanism (2) is arranged on the surface of the shell mechanism (1), a rotating mechanism (3) is connected to the surface of the air draft mechanism (2) in a rotating mode, a plurality of linkage mechanisms (4) are arranged on the surface of one side of the air draft mechanism (2), and an adjusting mechanism (5) is arranged on the surface of the other side of the air draft mechanism (2).

2. The diversion supercharging energy-saving centrifugal fan according to claim 1, characterized in that: shell mechanism (1) includes casing (11), apron (12), air intake (13), keeps off ring (14), annular spout (15), goes out tuber pipe (16), the opening part joint of casing (11) has apron (12), air intake (13) have been seted up in the center department of apron (12), apron (12) are located one side fixedly connected with fender ring (14) of casing (11) inside, keep off ring (14) seted up annular spout (15) on the surface, fixed intercommunication has out tuber pipe (16) on the excircle lateral wall of casing (11).

3. The diversion supercharging energy-saving centrifugal fan according to claim 1, characterized in that: the air draft mechanism (2) comprises a motor (21), a rotating shaft (22), a first bearing (23), a rotating disc (24), a fixed rod (25), fan blades (26) and a sliding ring (27), the motor (21) is fixedly connected with the center of the outer side wall of the shell (11), the output end of the motor (21) is fixedly connected with a rotating shaft (22), the rotating shaft (22) is rotatably connected to the outer wall of the shell (11) through a first bearing (23), one end of the rotating shaft (22) extending to the interior of the shell (11) is fixedly connected with a rotating disc (24), circle center equidistance fixedly connected with a plurality of dead levers (25) around carousel (24) on the opposite side lateral wall of carousel (24), it is a plurality of the rotation is connected with a plurality of flabellums (26) on the surface of dead lever (25), and is a plurality of the other end fixed connection of dead lever (25) is on one side lateral wall of same slip ring (27).

4. The diversion supercharging energy-saving centrifugal fan according to claim 1, characterized in that: the rotating mechanism (3) comprises a first sliding chute (31), a round ball (32), a second sliding chute (33), an annular clamping groove (34), a rotating ring (35), a first annular rack (36) and a second annular rack (37), the first chute (31) is arranged on the outer circular side wall of the turntable (24), a plurality of round balls (32) are clamped in the first chute (31), the other sides of the round balls (32) are clamped in the second chute (33), the second sliding groove (33) is arranged in the annular clamping groove (34), the annular clamping groove (34) is arranged on the inner wall of the rotating ring (35), a first annular rack (36) is fixedly sleeved on the inner wall of one side of the rotating ring (35) close to the cover plate (12), and a second annular rack (37) is fixedly sleeved on the inner wall of one side of the rotating ring (35) far away from the cover plate (12).

5. The diversion supercharging energy-saving centrifugal fan according to claim 1, characterized in that: the linkage mechanism (4) comprises a fixed square cylinder (41), a spring (42), an L-shaped rod (43) and a gear (44), the fixed square cylinder (41) is fixedly connected to one side surface of the corresponding fan blade (26), the spring (42) is fixedly connected to the inside of the fixed square cylinder (41), the L-shaped rod (43) is fixedly connected to the other end of the spring (42), the L-shaped rod (43) is connected with the spring (42) in an inserting mode inside the fixed square cylinder (41), and the gear (44) is fixedly connected to the other end of the L-shaped rod (43).

6. The diversion supercharging energy-saving centrifugal fan according to claim 1, characterized in that: the adjusting mechanism (5) comprises a fixing column (51), an adjusting toothed ring (52), a threaded hole (53), a bolt (54), a pressing plate (55) and an extruding ring (56), wherein the fixing column (51) is fixedly connected to the side wall of one side, far away from the cover plate (12), of the rotary table (24), the adjusting toothed ring (52) is movably sleeved on the surface of the fixing column (51), the threaded hole (53) is formed in one end, far away from the rotary table (24), of the fixing column (51), the bolt (54) is connected with the internal thread of the threaded hole (53), the pressing plate (55) is movably sleeved on the surface of the bolt (54), the extruding ring (56) is fixedly connected to the side wall of one side of the adjusting toothed ring (52), and the extruding ring (56) and the pressing plate (55).

7. The diversion supercharging energy-saving centrifugal fan according to claim 5, characterized in that: the gear (44) is engaged with the first annular rack (36).

8. The diversion supercharging energy-saving centrifugal fan according to claim 6, characterized in that: the adjusting toothed ring (52) is meshed with the second annular rack (37).