CN211449129U

CN211449129U - High-efficiency energy-saving negative pressure fan

Info

Publication number: CN211449129U
Application number: CN201922488802.2U
Authority: CN
Inventors: 胡小飞
Original assignee: Suzhou Jiayiqi Mechanical And Electrical Equipment Co ltd
Current assignee: Suzhou Jiayiqi Mechanical And Electrical Equipment Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-08
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an energy-efficient negative-pressure air fan relates to the negative-pressure air fan field, the power distribution box comprises a box body, the intermediate position department of box is provided with the runner, the outside of runner is provided with the flabellum, the motor is installed to the inside one corner department of box, the output of motor rotates and is connected with first gear, the inside one side that is located first gear of box rotates and is connected with the second gear with first gear engaged with, and the external diameter of first gear is greater than the external diameter of second gear, the front end of second gear is provided with the belt pulley, rotate through the belt between belt pulley and the runner and be connected. The utility model discloses a motor drives the gear wheel and rotates, and the gear wheel drives pinion rotation, and the pinion passes through the belt and drives the runner rotation, and the cooperation of pinion increases the rotational speed of fan, and the motor is under equal power, and the gear wheel rotates through the pinion rotation runner and directly drives the runner rotation fast than the gear wheel, multiplicable fan efficiency from this.

Description

High-efficiency energy-saving negative pressure fan

Technical Field

The utility model relates to a negative-pressure air fan field specifically is a high-efficient energy-saving negative-pressure air fan.

Background

The negative pressure fan is a machine which utilizes the cooling principle of air convection and negative pressure ventilation, and is a machine which can improve any problem of poor ventilation by naturally sucking fresh air from a gate or a window opposite to an installation place and quickly and forcibly discharging indoor hot air out of the room.

The belt is driven by the motor of the existing negative pressure fan, the belt drives the rotating wheel to rotate, so that the fan blades are driven to rotate, the rotation is slow, the efficiency is low, a large amount of dust is often accumulated on the net layer of the existing negative pressure fan, the net layer is not easy to detach and clean, and the louver cannot be directly closed when not used, so that the dust is easy to enter.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the existing negative pressure fan drives a belt through a motor, the belt drives a rotating wheel to rotate, so that fan blades are driven to rotate, the rotation is slow, the efficiency is low, a large amount of dust is often accumulated on a net layer of the existing negative pressure fan, the net layer is not easy to detach and clean, and when the louver is not used, the louver cannot be directly closed, so that the dust is easy to enter, and the high-efficiency energy-saving negative pressure fan is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency energy-saving negative pressure fan comprises a box body, wherein a rotating wheel is arranged in the middle of the box body, fan blades are arranged on the outer side of the rotating wheel, a motor is installed at one corner inside the box body, the output end of the motor is rotatably connected with a first gear, one side, positioned inside the box body, of the first gear is rotatably connected with a second gear meshed with the first gear, the outer diameter of the first gear is larger than that of the second gear, a belt pulley is arranged at the front end of the second gear, the belt pulley is rotatably connected with the rotating wheel through a belt, two groups of grooves are formed in the bottom of the front end of the box body, a frame is arranged at the front end of the box body, a net layer is arranged in the frame, a convex block is arranged in the middle of the top of the frame, threaded holes are formed in the convex block, the inside one end of keeping away from the frame of box rotates through the pivot and is connected with the multiunit tripe, multiunit the pivot all is connected through the dwang, and is a set of one side activity of pivot runs through to the outside of box and is connected with the carousel.

Preferably, the fixing rod is provided inside the case.

Preferably, one side of the belt pulley, which is far away from the second gear, is provided with a baffle, and both ends of the rotating wheel are provided with baffles.

Preferably, the top of the box body is provided with a threaded hole matched with the threaded hole.

Preferably, a through hole matched with the rotating shaft is installed at one side of the box body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a motor drives the gear wheel and rotates, and the gear wheel drives the pinion and rotates, and the pinion drives the runner through the belt and rotates, and the cooperation of pinion and pinion increases the rotational speed of fan, and the motor is under equal power, and the gear wheel rotates the runner through the pinion and rotates faster than the gear wheel directly drives the runner and rotates, can increase fan efficiency from this; the bottom of the front end of the box body is provided with two groups of clamping grooves, the bottom of the net layer is provided with the penetrating pins matched with the clamping grooves, the middle position of the top of the frame is provided with the convex block, the penetrating pins are inserted into the clamping grooves and upwards rotate the frame, the top of the frame is connected with the box body through the bolts, the disassembly and assembly of the net layer can be completed through one group of bolts, and the use is convenient; when the rotary table is not used, the rotary table drives the shutters to rotate, and the rotating shafts of the shutters are connected through the rotating rod, so that the shutters can be driven to rotate, the shutters are closed, and dust is prevented from entering the rotary table.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the gear and the box body of the present invention;

FIG. 3 is a schematic structural view of the louver and the box body of the present invention;

fig. 4 is a schematic structural view of a second gear of the present invention;

fig. 5 is a schematic structural view of the first gear and the second gear of the present invention;

fig. 6 is a schematic structural diagram of the mesh layer of the present invention.

In the figure: 1. a box body; 2. fixing the rod; 3. a motor; 4. a first gear; 5. a second gear; 6. a belt pulley; 7. a belt; 8. a rotating wheel; 9. a fan blade; 10. a groove; 11. pin penetration; 12. a bump; 13. a threaded hole; 14. louver blades; 15. rotating the rod; 16. a turntable; 17. a mesh layer; 18. a frame; 19. a rotating shaft.

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.

The motors (with the model of SC) mentioned in the utility model can be obtained by market or private ordering.

Referring to fig. 1-6, a high-efficiency energy-saving negative pressure fan comprises a box body 1, a rotating wheel 8 is arranged at the middle position of the box body 1, fan blades 9 are arranged on the outer side of the rotating wheel 8, a motor 3 is arranged at one corner inside the box body 1, the output end of the motor 3 is rotatably connected with a first gear 4, one side of the first gear 4 inside the box body 1 is rotatably connected with a second gear 5 meshed with the first gear 4, the outer diameter of the first gear is larger than that of the second gear, a belt pulley 6 is arranged at the front end of the second gear 5, the belt pulley 6 is rotatably connected with the rotating wheel 8 through a belt 7, two groups of grooves 10 are arranged at the bottom of the front end of the box body 1, a frame 18 is arranged at the front end of the box body 1, a net layer 17 is arranged in the frame 18, a convex block 12 is arranged at the middle position of the top of the frame 18, a threaded, the end of the interior of the box body 1 far away from the frame 18 is rotatably connected with a plurality of groups of shutters 14 through a rotating shaft 19, the rotating shafts 19 are all connected through a rotating rod 15, and one side of the rotating shaft 19 movably penetrates through the outer side of the box body 1 and is connected with a turntable 16.

The utility model discloses a motor 3 drives the gear wheel and rotates, and the gear wheel drives pinion rotation, and the pinion passes through belt 7 and drives 8 rotations of runner, and the cooperation of pinion increases the rotational speed of fan, and motor 3 is under equal power, and the gear wheel directly drives 8 rotations of runner fast than the gear wheel through 8 rotations of pinion rotation runner, multiplicable fan efficiency from this

Please refer to fig. 1, fig. 2 and fig. 3, a fixing rod 2 is disposed inside the box body 1, the present invention is provided with the fixing rod 2, and the rotating wheel 8 can be fixed on the fixing rod through the fixing rod 2.

Please refer to fig. 2 and fig. 4, a baffle is disposed on one side of the belt pulley 6 away from the second gear 5, and baffles are disposed at both ends of the rotating wheel 8, so as to prevent the belt 7 from falling.

Please refer to fig. 1 and fig. 2, the top of the box body 1 is provided with a threaded hole matching with the threaded hole 13, the utility model discloses a set up the threaded hole, can fix the net layer 17 and the box body 1 together.

Please refer to fig. 3, a through hole matching with the rotating shaft 19 is installed on one side of the box body 1, the utility model discloses a set of rotating shaft 19 can be connected with the turntable 16 through the through hole by setting up the through hole.

The working principle is as follows: when the negative pressure fan is used, the motor 3 is turned on, the motor 3 drives the first gear 4 to rotate, the first gear 4 drives the second gear 5 to rotate, the second gear 5 drives the belt pulley 6 to rotate, the belt pulley 6 drives the rotating wheel 8 to rotate through the belt 7, the rotating wheel 8 drives the fan blades 9 to rotate, the negative pressure fan can be used, the outer diameter of the first gear is larger than that of the second gear, the rotating speed of the fan is increased through the matching of the big gear and the small gear, the large gear drives the rotating wheel 8 to rotate through the small gear and is faster than that the large gear directly drives the rotating wheel 8 to rotate under the same power of the motor 3; two groups of grooves 10 are formed in the bottom of the front end of the box body 1, penetrating pins 11 matched with the grooves 10 are arranged at the bottom of the net layer 17, a convex block 12 is arranged in the middle of the top of the frame 18, the penetrating pins 11 are inserted into the grooves 10 and rotate the frame 18 upwards, the top of the frame 18 is connected with the box body 1 through bolts, the net layer 17 can be assembled and disassembled through a group of bolts, and the use is convenient; when the device is not used, a group of the louvers 14 are driven to rotate by the rotary disc 16, and the rotating shafts 19 of the group of the louvers 14 are connected by the rotating rod 15, so that the group of the louvers 14 can be driven to rotate, the group of the louvers 14 are closed, and dust is prevented from entering the louvers.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an energy-efficient negative-pressure air fan, includes box (1), its characterized in that: the improved structure of the solar water heater is characterized in that a rotating wheel (8) is arranged in the middle of the box body (1), fan blades (9) are arranged on the outer side of the rotating wheel (8), a motor (3) is installed at one corner of the interior of the box body (1), the output end of the motor (3) is rotatably connected with a first gear (4), one side of the interior of the box body (1) located at the first gear (4) is rotatably connected with a second gear (5) meshed with the first gear (4), the outer diameter of the first gear is larger than that of the second gear, a belt pulley (6) is arranged at the front end of the second gear (5), the belt pulley (6) is rotatably connected with the rotating wheel (8) through a belt (7), two groups of grooves (10) are arranged at the bottom of the front end of the box body (1), a frame (18) is arranged at the front end of the box body (1), and, the top intermediate position department of frame (18) is provided with lug (12), be provided with screw hole (13) in lug (12), the bottom of frame (18) is provided with two sets of round pins (11) of wearing with recess (10) matched with, the one end that frame (18) were kept away from to the inside of box (1) is rotated through pivot (19) and is connected with multiunit tripe (14), multiunit pivot (19) all are connected through dwang (15), and is a set of the outside of box (1) is run through in the activity of one side of pivot (19) and is connected with carousel (16).

2. The high-efficiency energy-saving negative pressure fan as claimed in claim 1, characterized in that: a fixing rod (2) is arranged in the box body (1).

3. The high-efficiency energy-saving negative pressure fan as claimed in claim 1, characterized in that: one side of the belt pulley (6) far away from the second gear (5) is provided with a baffle, and two ends of the rotating wheel (8) are provided with baffles.

4. The high-efficiency energy-saving negative pressure fan as claimed in claim 1, characterized in that: the top of the box body (1) is provided with a threaded hole matched with the threaded hole (13).

5. The high-efficiency energy-saving negative pressure fan as claimed in claim 2, characterized in that: and one side of the box body (1) is provided with a through hole matched with the rotating shaft (19).