CN214837244U

CN214837244U - Energy-saving exhaust fan

Info

Publication number: CN214837244U
Application number: CN202120609368.3U
Authority: CN
Inventors: 麦伟雄
Original assignee: Foshan Shunde Qidelai Electric Appliance Co ltd
Current assignee: Foshan Shunde Qidelai Electric Appliance Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-11-23
Anticipated expiration: 2031-03-25

Abstract

The utility model discloses an energy-saving exhaust fan, which comprises an outer body, wherein the inner body is arranged inside the outer body, two wind grooves are arranged inside the inner body, a transmission shaft is arranged in the two wind grooves, both ends of the transmission shaft are provided with mounting plates, the transmission shaft is movably mounted inside the inner body through the mounting plates, the outer side of the transmission shaft is fixed with fan blades, the number of the fan blades is two, a first gear is arranged between the fan blades, a second gear is meshed below the first gear, a transmission rod is connected below the second gear, the utility model discloses needs to connect an external controller for integral control, when in starting, a motor is started through the external controller, when the motor is started, the transmission rod is driven to rotate, when the transmission shaft is rotated, the fan blades at both sides are driven to rotate, the rotated fan blades draw indoor air out of the room, thereby achieving the air-drawing effect, the motor drives the fan blades at both ends to rotate through the second gear on the transmission rod, thereby achieving the effect of energy conservation.

Description

Energy-saving exhaust fan

Technical Field

The utility model relates to an air exhausting technical field specifically is an energy-conserving exhaust fan.

Background

The exhaust fan is an air conditioning appliance, which drives the fan blades to rotate by the motor to drive airflow so as to exchange indoor air and outdoor air.

However, in the prior art, when the exhaust fan is used, the energy-saving use effect cannot be achieved, dust on the fan blades needs to be detached and cleaned after the practical end time of the exhaust fan, the exhaust fan is very troublesome, and serious noise can be generated under the condition that the rotating speed of the fan blades is too high. Therefore, the utility model provides an energy-conserving exhaust fan to solve the problem that proposes among the above-mentioned background art.

Disclosure of Invention

The utility model aims at providing an energy-conserving exhaust fan to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an energy-saving exhaust fan comprises an outer fan body, wherein an inner fan body is arranged inside the outer fan body, two air grooves are formed inside the inner fan body, transmission shafts are arranged in the two air grooves, mounting plates are arranged at two ends of each transmission shaft, the transmission shafts are movably mounted on the inner side of the inner fan body through the mounting plates, fan blades are fixed on the outer sides of the transmission shafts, the number of the fan blades is two, a first gear is arranged between the two fan blades, a second gear is meshed below the first gear, and a transmission rod is connected below the second gear;

the two ends of the transmission rod penetrate through the inner machine body and are provided with a second gear, the middle of the transmission rod is provided with a motor, a movable shaft is arranged on one side wall of the motor, one end of the movable shaft is movably arranged on the side wall of the motor, and the other end of the movable shaft is fixed on the inner side wall of the outer machine body.

As a further proposal, the air inlet hole, two, has all been seted up on the upper and lower both ends lateral wall of outer fuselage the air inlet hole position corresponds with the flabellum.

As the utility model discloses scheme further again, the vent has all been seted up on another lateral wall in the upper and lower both ends of outer fuselage, is fixed with the installing frame on the lateral wall of outer fuselage.

As the utility model discloses the scheme of furthering again, the upper and lower both ends that come of motor all are equipped with gear three, and gear three is installed and is had the ring gear in the meshing of gear three one side on the transfer line.

As the utility model discloses scheme further again, electric telescopic handle is installed to ring gear one end, and the mounting groove has been seted up at another lateral wall middle part of outer fuselage, and electric telescopic handle installs inside the mounting groove.

As the utility model discloses scheme further again, the spacing groove has all been seted up on the outer wall of interior fuselage both sides, and the spacing inslot side is equipped with the spacing ring, and is a plurality of the spacing ring is all fixed on the outer fuselage lateral wall.

As the utility model discloses scheme further again, the cover is equipped with soundproof cotton on the lateral wall around the interior fuselage, the vent one end of outer fuselage is connected with the wind channel, and the wind channel middle part is connected with the tuber pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses need connect external controller and carry out overall control, through external controller starter motor during the start, it is rotatory to rotate the drive transfer line during motor start, two rotatory gears at rotatory transfer line drive both ends are rotatory, two meshing drive gear of rotatory gear rotate, drive the transmission shaft when gear is rotatory and rotate, the flabellum of driving both sides during the transmission shaft dwang rotates, the pivoted flabellum is indoor with indoor air extraction, thereby reach the effect of induced drafting, the flabellum that the motor drove both ends through two gears on the transfer line rotates, thereby reach energy-conserving effect.

2. The utility model discloses an external controller starts electric telescopic handle, and electric telescopic handle removes when starting and drives the ring gear with the ring gear and mesh in three one sides of gear, and the restart motor, thereby the motor start make the motor pass through three meshing ring gears of gear and atress and be the annular rotation to horizontal with interior fuselage through the loose axle, reach the convenient clear effect that carries on.

Drawings

Fig. 1 is a schematic structural diagram of an energy-saving exhaust fan according to a first embodiment.

Fig. 2 is a schematic structural view of an inner body of an energy-saving exhaust fan.

Fig. 3 is a schematic cross-sectional view of the interior of an energy-saving exhaust fan.

Fig. 4 is an enlarged schematic view of a position a of an energy-saving exhaust fan.

Fig. 5 is an enlarged schematic view of a position B of an energy-saving exhaust fan.

Fig. 6 is a schematic view of a soundproof cotton structure of a second embodiment of an energy-saving exhaust fan.

In the figure: 1. an outer fuselage; 2. an air inlet hole; 3. installing a frame; 4. an inner fuselage; 5. a drive shaft; 6. mounting a plate; 7. a fan blade; 8. a vent; 9. a first gear; 10. a second gear; 11. a transmission rod;

12. a motor; 13. a movable shaft; 14. a third gear; 15. a toothed ring; 16. an electric telescopic rod; 17. mounting grooves; 18. a limiting groove; 19. a limiting ring; 20. sound insulation cotton; 21. an air duct; 22. and (7) an air pipe.

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 first embodiment is as follows: referring to fig. 1 to 5, in an embodiment of the present invention, an energy-saving exhaust fan includes an outer body 1, an inner body 4 is disposed inside the outer body 1, two wind grooves are disposed inside the inner body 4, transmission shafts 5 are disposed in the two wind grooves, mounting plates 6 are disposed at two ends of the transmission shafts 5, the transmission shafts 5 are movably mounted inside the inner body 4 through the mounting plates 6, fan blades 7 are fixed outside the transmission shafts 5, the number of the fan blades 7 is two, a first gear 9 is disposed between the two fan blades 7, a second gear 10 is engaged below the first gear 9, and a transmission rod 11 is connected below the second gear 10;

two ends of the transmission rod 11 penetrate through the inner machine body 4 and are provided with a second gear 10, the middle part of the transmission rod 11 is provided with a motor 12, one side wall of the motor 12 is provided with a movable shaft 13, one end of the movable shaft 13 is movably arranged on the side wall of the motor 12, and the other end of the movable shaft 13 is fixed on the inner side wall of the outer machine body 1;

an air inlet hole 2 is formed in one side wall of the upper end and the lower end of the outer machine body 1, two air inlet holes 2 are arranged corresponding to the fan blades 7, a vent hole 8 is formed in the other side wall of the upper end and the lower end of the outer machine body 1, a mounting frame 3 is fixed on the outer side wall of the outer machine body 1, a gear III 14 is arranged at the upper end and the lower end of the motor 12, the gear III 14 is mounted on a transmission rod 11, a gear ring 15 is meshed with one side of the gear III 14, an electric telescopic rod 16 is mounted at one end of the gear ring 15, a mounting groove 17 is formed in the middle of the other side wall of the outer machine body 1, the electric telescopic rod 16 is mounted in the mounting groove 17, limiting grooves 18 are formed in the outer walls of the two sides of the inner machine body 4, limiting rings 19 are arranged on the inner sides of the limiting grooves 18, the limiting rings 19 are fixed on the side walls of the outer machine body 1, soundproof cotton 20 is sleeved on the side walls of the periphery of the inner machine body 4, one end of the vent hole 8 of the outer machine body 1 is connected with an air duct 21, the middle part of the air duct 21 is connected with an air pipe 22;

when the air-saving air-pumping device works, an external controller is required to be connected for integral control, the motor 12 is started through the external controller when the air-saving air-pumping device is started, the motor 12 rotates to drive the transmission rod 11 to rotate when the motor 12 is started, the rotating transmission rod 11 drives the two gears 10 at the two ends to rotate, the rotating gear 10 is meshed with the first gear 9 to drive the first gear 9 to rotate, the first gear 9 drives the transmission shaft 5 to rotate when the first gear 9 rotates, the transmission shaft 5 drives the fan blades 7 at the two sides to rotate when the transmission shaft 5 rotates, the rotating fan blades 7 pump indoor air out of a room, so that the air-pumping effect is achieved, and the motor 12 drives the fan blades 7 at the two ends to rotate through the second gear 10 on the transmission rod 11, so that the energy-saving effect is achieved;

during the rotation, start electric telescopic handle 16 through external controller, remove when electric telescopic handle 16 starts and drive the meshing with ring gear 15 in gear three 14 one side, restart motor 12, thereby motor 12 starts to be through gear three 14 meshing ring gear 15 and atress make motor 12 be the annular rotation to transversely with interior fuselage 4 through loose axle 13, reach the convenient clear effect that carries on.

Example two: referring to fig. 6, in the embodiment of the present invention, as a further improvement of the previous embodiment, a sound insulation device and an air duct device are added, a sound insulation cotton 20 is sleeved on the sidewall around the inner machine body 4, one end of the vent 8 of the outer machine body 1 is connected to an air duct 21, and the middle of the air duct 21 is connected to an air pipe 22.

When the air conditioner works, when the fan blades 7 rotate, indoor air is pumped into the ventilation opening 8 from the air inlet hole 2 and is intensively exhausted into the air inlet pipe 22 through the air duct 21 and is exhausted outdoors through the air inlet pipe 22, noise is generated inside the inner machine body 4 when the fan blades 7 rotate, and the soundproof cotton 20 achieves the effects of reducing noise and noise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An energy-saving exhaust fan comprises an outer fan body (1) and is characterized in that an inner fan body (4) is arranged inside the outer fan body (1), two air grooves are formed inside the inner fan body (4), transmission shafts (5) are arranged in the two air grooves, mounting plates (6) are arranged at two ends of each transmission shaft (5), the transmission shafts (5) are movably mounted on the inner side of the inner fan body (4) through the mounting plates (6), fan blades (7) are fixed on the outer side of each transmission shaft (5), the number of the fan blades (7) is two, a first gear (9) is arranged between the two fan blades (7), a second gear (10) is meshed below the first gear (9), and a transmission rod (11) is connected below the second gear (10);

the utility model discloses a mechanical transmission device, including transfer line (11), fuselage (4) and gear two (10), transfer line (11) both ends all run through in and install gear two (10), and transfer line (11) mid-mounting has motor (12), and motor (12) a side wall mounting has loose axle (13), loose axle (13) one end movable mounting is on motor (12) lateral wall, loose axle (13) other end is fixed on fuselage (1) inside wall outward.

2. An energy-saving exhaust fan as claimed in claim 1, wherein one side wall of the upper and lower ends of the outer body (1) is provided with air inlet holes (2), and the two air inlet holes (2) correspond to the fan blades (7).

3. An energy-saving exhaust fan as claimed in claim 1, wherein the other side wall of the upper and lower ends of the outer body (1) is provided with a ventilation opening (8), and the outer side wall of the outer body (1) is fixed with a mounting frame (3).

4. The energy-saving exhaust fan as claimed in claim 1, wherein a gear three (14) is arranged at each of the upper end and the lower end of the motor (12), and the gear three (14) is arranged on the transmission rod (11) and meshed with a gear ring (15) at one side of the gear three (14).

5. The energy-saving exhaust fan as claimed in claim 4, wherein the gear ring (15) is provided with an electric telescopic rod (16) at one end, the other side wall of the outer body (1) is provided with a mounting groove (17) at the middle part, and the electric telescopic rod (16) is mounted inside the mounting groove (17).

6. An energy-saving exhaust fan according to claim 1, characterized in that the outer walls of the two sides of the inner body (4) are respectively provided with a limiting groove (18), the inner side of the limiting groove (18) is provided with a limiting ring (19), and a plurality of limiting rings (19) are fixed on the side wall of the outer body (1).

7. An energy-saving exhaust fan according to claim 1, characterized in that the side wall around the inner body (4) is sleeved with soundproof cotton (20), one end of the ventilation opening (8) of the outer body (1) is connected with an air duct (21), and the middle part of the air duct (21) is connected with an air pipe (22).