CN220227312U

CN220227312U - Noise-reducing exhaust fan

Info

Publication number: CN220227312U
Application number: CN202321728739.5U
Authority: CN
Inventors: 江小林; 彭安华; 盛学斌; 蒯堂; 童宁
Original assignee: Wuhan Kluger Ventilation Equipment Co ltd
Current assignee: Wuhan Kluger Ventilation Equipment Co ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-12-22
Anticipated expiration: 2033-07-03

Abstract

The utility model relates to the technical field of exhaust fans and discloses a noise-reducing exhaust fan which comprises a shell, a motor and a mounting ring, wherein an installation frame is fixedly connected to the inside of the shell, a protection cover is fixedly connected to the rear side of the installation frame, the motor is positioned in the protection cover, a rotating rod is rotatably connected to the front face of the installation frame, the rotating rod and the mounting ring are arranged in a penetrating mode, one end of the rotating rod is connected with an output shaft of the motor, a plurality of fan blades are fixedly connected to the outer side of the rotating rod, an arc-shaped groove is formed in the front face of the shell, a protection mechanism is arranged in the arc-shaped groove and comprises a plurality of springs, an annular plate, a protection net I and two insertion blocks, and a plurality of springs are fixedly connected in the arc-shaped groove. The utility model is convenient to assemble, disassemble and clean, does not need to disassemble the whole exhaust fan, and is convenient to use.

Description

Noise-reducing exhaust fan

Technical Field

The utility model relates to the technical field of exhaust fans, in particular to a noise-reduction exhaust fan.

Background

The fan is an air-conditioning electric appliance which uses a motor to drive fan blades to rotate so as to generate air flow and make indoor and outdoor air exchange. The purpose of the exhaust is to remove the polluted air in the room or to adjust the temperature, humidity and feel effect. Exhaust fans are widely used in homes and public places.

At present, after the kitchen exhaust fan is used for a long time, oil dirt generated by vegetable making can be attached to a protective net and fan blades on the exhaust fan in a large quantity, and at the moment, if the protective net and the fan blades are required to be cleaned, the exhaust fan is required to be disassembled. However, because the exhaust fan is usually fixed with the wall body or the door and window through bolts, if the exhaust fan is directly disassembled and cleaned, the later installation is troublesome, and the time and the labor are wasted.

Disclosure of Invention

The utility model provides a noise-reducing exhaust fan, which aims to solve the problem that the exhaust fan is troublesome and laborious to disassemble and assemble when the kitchen exhaust fan is cleaned.

The utility model provides a noise-reduction exhaust fan which adopts the following technical scheme: the utility model provides an exhaust fan of making an uproar falls, includes shell, motor and collar, the inside fixedly connected with mounting bracket of shell, the rear side fixedly connected with protection casing of mounting bracket, just the motor is located the inside of protection casing, the front rotation of mounting bracket is connected with the dwang, the dwang alternates the one end that sets up and dwang and the output shaft of motor with the collar, the outside fixedly connected with a plurality of flabellums of dwang, the arc wall has been seted up in the front of shell, be provided with protection machanism in the arc wall.

The protection mechanism comprises a plurality of springs, annular plates, a first protection net and two inserting blocks, wherein the springs are fixedly connected in the arc-shaped groove, one end of each spring is fixedly connected with the same annular plate, one end of each annular plate is provided with the first protection net, and the upper end and the lower end of the first protection net are fixedly connected with the inserting blocks.

Preferably, the outside both ends of dwang are all fixedly connected with locating lever, the locating hole that uses with the locating lever cooperation is seted up to one side of collar, just locating lever and locating hole peg graft, the positive threaded connection of dwang has the spacer sleeve, just the one end and the collar butt of spacer sleeve.

Preferably, the socket is all offered to the front left and right sides of shell, just socket and arc groove intercommunication, spacing mouth has all been offered at both ends about the inside of shell, spacing mouth and arc groove intercommunication, just the inserted block is pegged graft with spacing mouth.

Preferably, the rear side of the shell is fixedly connected with a second protective net.

Preferably, the outer side of the shell is fixedly connected with a mounting block, and the mounting block is provided with a mounting hole.

Preferably, the mounting frame is formed by cross connection of two inclined plates.

Compared with the prior art, the utility model has the beneficial effects that: the protection mechanism is arranged in the arc-shaped groove, the shell is provided with a plurality of sockets and limiting openings, when the protection net I needs to be disassembled and cleaned, the protection net I is only required to be pressed to enable the plug block to move out of the limiting opening, then the protection net I is rotated to enable the plug block to move out of the socket, the protection net I can be disassembled conveniently, the protection net I is conveniently disassembled and cleaned, the installation ring is provided with the positioning rod and the positioning sleeve, and the positioning sleeve can be directly rotated to enable the positioning sleeve to be taken down from the rotating rod after the protection net I is disassembled, and then the installation ring is pulled to take down from the rotating rod to clean fan blades, so that the whole exhaust fan is not required to be disassembled.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial explosion structure in the present utility model;

FIG. 3 is a schematic view of the explosive connection of the annular plate to the housing in accordance with the present utility model;

FIG. 4 is a schematic view of an explosion connection structure of a rotating rod and a mounting ring in the present utility model.

Reference numerals illustrate: 1. a housing; 2. a motor; 3. a mounting ring; 4. a mounting frame; 5. a protective cover; 6. a rotating lever; 7. a fan blade; 8. an arc-shaped groove; 9. a protective mechanism; 901. a spring; 902. an annular plate; 903. a first protective net; 904. inserting blocks; 10. a positioning rod; 11. a positioning port; 12. a positioning sleeve; 13. a socket; 14. a limit opening; 15. a second protective net; 16. and (5) installing a block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the noise reduction exhaust fan disclosed by the embodiment of the utility model comprises a housing 1, a motor 2 and a mounting ring 3, wherein a mounting frame 4 is fixedly connected to the interior of the housing 1, a protection cover 5 is fixedly connected to the rear side of the mounting frame 4, the motor 2 is positioned in the protection cover 5, a rotating rod 6 is rotatably connected to the front surface of the mounting frame 4, the rotating rod 6 and the mounting ring 3 are arranged in a penetrating manner, one end of the rotating rod 6 is connected with an output shaft of the motor 2, a plurality of fan blades 7 are fixedly connected to the outer side of the rotating rod 6, an arc-shaped groove 8 is formed in the front surface of the housing 1, and a protection mechanism 9 is arranged in the arc-shaped groove 8;

the protection mechanism 9 comprises a plurality of springs 901, an annular plate 902, a protection net I903 and two inserting blocks 904, wherein the plurality of springs 901 are fixedly connected in the arc-shaped groove 8, one end of each of the plurality of springs 901 is fixedly connected with the same annular plate 902, one end of each of the annular plates 902 is provided with the protection net I903, and the upper end and the lower end of each of the protection net I903 are fixedly connected with the inserting blocks 904.

Referring to fig. 2 and 4, two ends of the outer side of the rotating rod 6 are fixedly connected with positioning rods 10, one side of the mounting ring 3 is provided with positioning openings 11 matched with the positioning rods 10, the positioning rods 10 are spliced with the positioning openings 11, the front side of the rotating rod 6 is in threaded connection with positioning sleeves 12, and one ends of the positioning sleeves 12 are abutted to the mounting ring 3.

Through adopting above-mentioned technical scheme for when installing collar 3, directly insert collar 3 on dwang 6, then make locating hole 11 and locating lever 10 peg graft, rotate locating sleeve 12 again and fix locating sleeve 12 on dwang 6 and with collar 3 butt, then can accomplish the installation to collar 3, simple and convenient also is convenient for dismantle collar 3 simultaneously.

Referring to fig. 3, sockets 13 are formed on both sides of the front surface of the housing 1, the sockets 13 are communicated with the arc-shaped groove 8, limit openings 14 are formed on both upper and lower ends of the interior of the housing 1, the limit openings 14 are communicated with the arc-shaped groove 8, and the plug 904 is inserted into the limit openings 14.

Through adopting above-mentioned technical scheme, when dismantling protection network one 903, directly press protection network one 903 and make the inserted block 904 shift out spacing mouth 14 through extrusion spring 901, then rotate inserted block 904 to socket 13 play, loosen inserted block 904 and can make inserted block 904 shift out socket 13 through the elastic force of spring 901, be convenient for dismantle protection network one 903.

Referring to fig. 1, a second protection net 15 is fixedly connected to the rear side of the housing 1.

By adopting the technical scheme, the damage of the fan blade 7 caused by the fact that some external sundries enter the shell 1 can be avoided through the second protective net 15.

Referring to fig. 1, the outer periphery of the housing 1 is fixedly connected with a mounting block 16, and mounting holes are formed in the mounting block 16.

By adopting the technical scheme, the shell 1 can be conveniently installed on a wall or a door or window for use through the installation holes on the installation blocks 16.

Referring to fig. 1, the mounting frame 4 is formed by cross-connecting two inclined plates.

By adopting the technical scheme, the motor 2 can stably work in the shell 1.

After the novel protective net is used for a period of time, when the protective net 903 and the fan blades 7 are required to be disassembled and cleaned, the protective net 903 is pressed firstly to extrude the annular plate 902, the annular plate 902 is extruded to extrude the springs 901, so that the protective net 903 can move in the arc-shaped grooves 8, the protective net 903 can drive the inserting blocks 904 to move out of the limiting openings 14 in the sliding process, limiting fixation of the protective net 903 is eliminated, at the moment, the protective net 903 is rotated to enable the inserting blocks 904 to rotate in the arc-shaped grooves 8, when the inserting blocks 904 rotate to be in contact with the inner walls of the arc-shaped grooves 8, the inserting blocks 904 are positioned at the inserting openings 13 at the moment, then the pressing of the protective net 903 is released, the inserting blocks 904 can be ejected out of the inserting openings 13 through elastic acting forces of the springs 901, and then the protective net 903 can be taken out of the shell 1, and the protective net 903 can be cleaned;

further, the positioning sleeve 12 can be rotated to be taken down from the rotating rod 6, limiting and fixing of the mounting ring 3 are eliminated, and the mounting ring 3 can be directly pulled to be taken down from the rotating rod 6, so that the fan blades 7 are conveniently cleaned, the whole powder discharge fan is not required to be detached, and further the exhaust fan is more convenient to clean and maintain.

When the fan is used, the first protection net 903 and the fan blades 7 are convenient to disassemble and assemble, so that the first protection net 903 and the fan blades 7 are convenient to clean, the whole exhaust fan is not required to be disassembled, and the fan is simple and convenient.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides an exhaust fan of making an uproar falls, includes shell (1), motor (2) and collar (3), its characterized in that: the novel electric motor is characterized in that a mounting frame (4) is fixedly connected to the inside of the shell (1), a protective cover (5) is fixedly connected to the rear side of the mounting frame (4), the motor (2) is located inside the protective cover (5), a rotating rod (6) is rotatably connected to the front side of the mounting frame (4), the rotating rod (6) is arranged in a penetrating mode with a mounting ring (3) and one end of the rotating rod (6) is connected with an output shaft of the motor (2), a plurality of fan blades (7) are fixedly connected to the outer side of the rotating rod (6), an arc-shaped groove (8) is formed in the front side of the shell (1), and a protection mechanism (9) is arranged in the arc-shaped groove (8);

protection machanism (9) are including a plurality of springs (901), annular plate (902), protection network one (903) and two inserts (904), fixedly connected with a plurality of springs (901) in arc groove (8), a plurality of the one end fixedly connected with same annular plate (902) of spring (901), the one end of annular plate (902) is provided with protection network one (903), the upper and lower both ends of protection network one (903) are all fixedly connected with inserts (904).

2. The noise-reducing exhaust fan according to claim 1, wherein: the utility model discloses a locating device for the electric motor of the electric motor car, including locating lever (10) is all fixedly connected with at the outside both ends of dwang (6), locating hole (11) with locating lever (10) cooperation use have been seted up to one side of collar (3), just locating lever (10) are pegged graft with locating hole (11), the front threaded connection of dwang (6) has locating sleeve (12), just the one end and collar (3) butt of locating sleeve (12).

3. The noise-reducing exhaust fan according to claim 1, wherein: the utility model discloses a shell, including shell (1), arc groove (8), plug (904), socket (13) have all been seted up to the front left and right sides of shell (1), just socket (13) and arc groove (8) intercommunication, spacing mouth (14) have all been seted up at both ends about the inside of shell (1), spacing mouth (14) and arc groove (8) intercommunication, just plug (904) are pegged graft with spacing mouth (14).

4. The noise-reducing exhaust fan according to claim 1, wherein: the rear side of the shell (1) is fixedly connected with a second protective net (15).

5. The noise-reducing exhaust fan according to claim 1, wherein: the outer side periphery of the shell (1) is fixedly connected with a mounting block (16), and mounting holes are formed in the mounting block (16).

6. The noise-reducing exhaust fan according to claim 1, wherein: the mounting frame (4) is formed by cross connection of two inclined plates.