CN213511390U

CN213511390U - Exhaust fan with good energy-saving and noise-reducing effects

Info

Publication number: CN213511390U
Application number: CN202021872598.0U
Authority: CN
Inventors: 范燕玲; 朱宇婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-06-22
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses an energy-conserving noise reduction is effectual air discharge fan, including L type mounting bracket, the top fixedly connected with base of L type mounting bracket, inner cavity of the base is provided with the movable plate, the equal fixedly connected with landing leg in both sides at movable plate top, the top of landing leg extends to the outside and the fixedly connected with loading board of base, the top fixedly connected with air discharge fan casing of loading board, the equal fixedly connected with slider in both sides of movable plate, the spout that the cooperation slider used has all been seted up to inner cavity of the base's both sides, the equal fixedly connected with fixed block in both sides of movable plate bottom. The utility model discloses a L type mounting bracket, base, movable plate, landing leg, loading board, air discharge fan casing, slider, spout, fixed block, connecting rod, sleeve pipe, riser and damping spring's cooperation is used, possesses the good advantage of noise reduction effect, and it is poor to have solved current air discharge fan noise reduction effect to can't satisfy the problem of user's demand.

Description

Exhaust fan with good energy-saving and noise-reducing effects

Technical Field

The utility model relates to an air discharge fan technical field specifically is an energy-conserving noise reduction effect is good air discharge fan.

Background

The exhaust fan, drive the rotatory drive air current of fan blade by the motor, make the air conditioning electrical apparatus of a kind of air exchange outside the room, also known as the ventilating fan, the carminative purpose is exactly will detach indoor dirty air, temperature regulation, humidity and sensation effect, the exhaust fan wide application is in family and public place, the exhaust fan can shake because the rotation of motor when using, can appear great noise because of the reason of vibrations, however current exhaust fan noise reduction effect is poor to can't satisfy user's demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an exhaust fan that energy-conserving noise reduction effect is good possesses the good advantage of noise reduction effect, and it is poor to have solved current exhaust fan noise reduction effect to can't satisfy the problem of user's demand.

In order to achieve the above object, the utility model provides a following technical scheme: an exhaust fan with good energy-saving and noise-reducing effects comprises an L-shaped mounting frame, wherein the top of the L-shaped mounting frame is fixedly connected with a base, a movable plate is arranged in an inner cavity of the base, two sides of the top of the movable plate are fixedly connected with supporting legs, the tops of the supporting legs extend to the outside of the base and are fixedly connected with a bearing plate, the top of the bearing plate is fixedly connected with an exhaust fan shell, two sides of the movable plate are fixedly connected with sliding blocks, two sides of the inner cavity of the base are respectively provided with a sliding groove matched with the sliding block for use, two sides of the bottom of the movable plate are respectively and fixedly connected with a fixed block, an inner cavity of the fixed block is movably connected with a connecting rod through a pin shaft, two sides of the bottom of the inner cavity of the base are respectively and fixedly connected with a, the equal fixedly connected with damping spring in top and the bottom of riser one side, damping spring keeps away from the one end and the sheathed tube inner wall fixed connection of riser.

Preferably, the inner chamber of air discharge fan casing is provided with energy-conserving air discharge fan body, the right side fixedly connected with safety cover of air discharge fan casing, the right side of safety cover is provided with the dust screen, equal threaded connection all around of dust screen has first bolt, the inner chamber that the dust screen and extended to the safety cover is run through to the one end of first bolt.

Preferably, the top and the bottom of one side of the L-shaped mounting frame are both in threaded connection with a second bolt, and one end of the second bolt penetrates through the L-shaped mounting frame and extends to the outside of the L-shaped mounting frame.

Preferably, the bottom of L type mounting bracket is provided with the stiffener, the both ends of stiffener all with L type mounting bracket fixed connection.

Preferably, the axle center of the bottom of the inner cavity of the base is fixedly connected with a damper body, and the top of the damper body is fixedly connected with the movable plate.

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

1. the utility model discloses a L type mounting bracket, base, movable plate, landing leg, loading board, air discharge fan casing, slider, spout, fixed block, connecting rod, sleeve pipe, riser and damping spring's cooperation is used, possesses the good advantage of noise reduction effect, and it is poor to have solved current air discharge fan noise reduction effect to can't satisfy the problem of user's demand.

2. The utility model discloses a set up the dust screen, can avoid the dust to get into the inner chamber of air discharge fan casing to the service life of the energy-conserving air discharge fan body of extension, through setting up the second bolt, can be convenient for install and fixed L type mounting bracket, through setting up the stiffener, can improve the stability of L type mounting bracket, through setting up the attenuator body, can be convenient for support the movable plate and the shock attenuation.

Drawings

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

FIG. 2 is a partial cross-sectional view of the base of the present invention;

fig. 3 is a partial side view of the present invention.

In the figure: 1. an L-shaped mounting bracket; 2. a base; 3. moving the plate; 4. a support leg; 5. a carrier plate; 6. an exhaust fan housing; 7. a slider; 8. a chute; 9. a fixed block; 10. a connecting rod; 11. a sleeve; 12. a vertical plate; 13. a damping spring; 14. an energy-saving exhaust fan body; 15. a protective cover; 16. a dust screen; 17. a first bolt; 18. a second bolt; 19. a reinforcing bar; 20. a damper body.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, an exhaust fan with good energy-saving and noise-reducing effects comprises an L-shaped mounting frame 1, a base 2 is fixedly connected to the top of the L-shaped mounting frame 1, a moving plate 3 is arranged in an inner cavity of the base 2, supporting legs 4 are fixedly connected to both sides of the top of the moving plate 3, tops of the supporting legs 4 extend to the outside of the base 2 and are fixedly connected with a bearing plate 5, an exhaust fan housing 6 is fixedly connected to the top of the bearing plate 5, sliders 7 are fixedly connected to both sides of the moving plate 3, sliding grooves 8 matched with the sliders 7 are formed in both sides of the inner cavity of the base 2, fixed blocks 9 are fixedly connected to both sides of the bottom of the moving plate 3, a connecting rod 10 is movably connected to an inner cavity of the base 9 through a pin shaft, sleeves 11 are fixedly connected to both, the top and the bottom of a vertical plate 12 are both connected with the inner wall of a sleeve 11 in a sliding way, the top and the bottom of one side of the vertical plate 12 are both fixedly connected with a damping spring 13, one end of the damping spring 13 far away from the vertical plate 12 is fixedly connected with the inner wall of the sleeve 11, the inner cavity of an exhaust fan shell 6 is provided with an energy-saving exhaust fan body 14, the right side of the exhaust fan shell 6 is fixedly connected with a protective cover 15, the right side of the protective cover 15 is provided with a dust screen 16, dust can be prevented from entering the inner cavity of the exhaust fan shell 6 by arranging the dust screen 16, so as to prolong the service life of the energy-saving exhaust fan body 14, the periphery of the dust screen 16 is all in threaded connection with first bolts 17, one ends of the first bolts 17 penetrate through the dust screen 16 and extend to the inner cavity of the protective cover 15, the top and the bottom of one side of an L-, one end of the second bolt 18 penetrates through the L-shaped mounting frame 1 and extends to the outside of the L-shaped mounting frame 1, the bottom of the L-shaped mounting frame 1 is provided with a reinforcing rod 19, the stability of the L-shaped mounting frame 1 can be improved by arranging the reinforcing rod 19, both ends of the reinforcing rod 19 are fixedly connected with the L-shaped mounting frame 1, the axle center of the bottom of the inner cavity of the base 2 is fixedly connected with a damper body 20, the movable plate 3 can be conveniently supported and damped by arranging the damper body 20, the top of the damper body 20 is fixedly connected with the movable plate 3, the L-shaped mounting frame 1, the base 2, the movable plate 3, the support legs 4, the bearing plate 5, the exhaust fan shell 6, the slide block 7, the sliding chute 8, the fixed block 9, the connecting rod 10, the sleeve 11, the vertical plate 12 and the damping spring 13 are matched for use, the noise reduction effect is good, thereby failing to satisfy the user's needs.

During the use, because energy-conserving air discharge fan body 14 can produce vibrations when using, vibrations can produce the noise, energy-conserving air discharge fan body 14 vibrations drive loading board 5 and remove, loading board 5 removes and drives landing leg 4 and remove, landing leg 4 removes and drives movable plate 3 and remove, movable plate 3 removes and drives slider 7 and slide at the inner chamber of spout 8, movable plate 3 removes and drives connecting rod 10 and remove, connecting rod 10 removes and exerts pressure to damping spring 13, make damping spring 13 produce deformation, because the elasticity that damping spring 13 itself has, in addition the elasticity of attenuator body 20, can carry out the shock attenuation buffering to movable plate 3, thereby carry out vibration/noise reduction to energy-conserving air discharge fan body 14.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an exhaust fan that energy-conserving noise reduction effect is good, includes L type mounting bracket (1), its characterized in that: the top of the L-shaped mounting frame (1) is fixedly connected with a base (2), the inner cavity of the base (2) is provided with a movable plate (3), both sides of the top of the movable plate (3) are fixedly connected with supporting legs (4), the tops of the supporting legs (4) extend to the outside of the base (2) and are fixedly connected with a bearing plate (5), the top of the bearing plate (5) is fixedly connected with an exhaust fan shell (6), both sides of the movable plate (3) are fixedly connected with sliders (7), both sides of the inner cavity of the base (2) are respectively provided with a chute (8) matched with the sliders (7) for use, both sides of the bottom of the movable plate (3) are respectively fixedly connected with a fixed block (9), the inner cavity of the fixed block (9) is movably connected with a connecting rod (10) through a pin shaft, both sides of, the one end that fixed block (9) were kept away from in connecting rod (10) extends to the inner chamber and the fixedly connected with riser (12) of sleeve pipe (11), the top and the bottom of riser (12) all with the inner wall sliding connection of sleeve pipe (11), the top and the equal fixedly connected with damping spring (13) in bottom of riser (12) one side, the one end of riser (12) and the inner wall fixed connection of sleeve pipe (11) are kept away from damping spring (13).

2. The exhaust fan with good energy-saving and noise-reducing effects as claimed in claim 1, wherein: the inner chamber of air discharge fan casing (6) is provided with energy-conserving air discharge fan body (14), the right side fixedly connected with safety cover (15) of air discharge fan casing (6), the right side of safety cover (15) is provided with dust screen (16), equal threaded connection all around of dust screen (16) has first bolt (17), the inner chamber of dust screen (16) and extension to safety cover (15) is run through to the one end of first bolt (17).

3. The exhaust fan with good energy-saving and noise-reducing effects as claimed in claim 1, wherein: the top and the bottom of L type mounting bracket (1) one side all have second bolt (18) threaded connection, the outside that L type mounting bracket (1) was run through and extend to L type mounting bracket (1) is run through to the one end of second bolt (18).

4. The exhaust fan with good energy-saving and noise-reducing effects as claimed in claim 1, wherein: the bottom of L type mounting bracket (1) is provided with stiffener (19), the both ends of stiffener (19) all with L type mounting bracket (1) fixed connection.

5. The exhaust fan with good energy-saving and noise-reducing effects as claimed in claim 1, wherein: the damper is characterized in that a damper body (20) is fixedly connected to the axis of the bottom of the inner cavity of the base (2), and the top of the damper body (20) is fixedly connected with the moving plate (3).