CN215927858U

CN215927858U - Exhaust fan convenient to installation

Info

Publication number: CN215927858U
Application number: CN202122523990.5U
Authority: CN
Inventors: 许盼; 王顺; 罗乔; 林丹丹; 苏鑫; 王子雨; 王强; 江磊; 刘博文
Original assignee: Nanjing Vocational University of Industry Technology NUIT
Current assignee: Nanjing Vocational University of Industry Technology NUIT
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-03-01
Anticipated expiration: 2031-10-20

Abstract

The utility model relates to the technical field of exhaust fans, and discloses an exhaust fan convenient to mount, which comprises a main body, wherein four square through holes are formed in the main body and are correspondingly arranged on the inner walls of the two sides of the main body, fixing plates are inserted into the four square through holes, fixing bolts are inserted into the upper sides of the four fixing plates, the four fixing plates are movably connected with the four fixing bolts respectively, the four fixing bolts are inserted into the main body, and the four fixing bolts are in threaded connection with the main body. The exhaust fan comprises a fan body, a fixing bolt, a square through hole, a fixing plate and a bolt, wherein the fixing bolt is arranged on the exhaust fan body, the square through hole is arranged on the fixing plate, the bolt is arranged on the fixing plate, the fixing plate is arranged on the bolt, and the bolt is arranged on the fixing plate.

Description

Exhaust fan convenient to installation

Technical Field

The utility model relates to the technical field of exhaust fans, in particular to an exhaust fan convenient to install.

Background

The exhaust fan is an air conditioning appliance, also called as a ventilating fan, which drives blades to rotate by a motor to drive airflow so as to exchange indoor air and outdoor air. The purpose of the exhaust is to remove dirty air from the room, regulate temperature, humidity and sensory effects. The exhaust fan is widely applied to families and public places. Exhaust fans, also known as negative pressure fans, and the like. The indoor air conditioner can keep the indoor in a negative pressure state by utilizing air convection to form a suction force, continuously suck outdoor air and discharge indoor sultry air, thereby achieving the effects of ventilation and cooling.

The existing exhaust fan has certain defects when in use, firstly, the existing exhaust fan is not convenient to install and cannot be flexibly adjusted according to the thickness of a reserved plate, and finally, after the existing exhaust fan is used for a long time, dust can be fully extruded inside the exhaust fan, the existing exhaust fan has the problem that the dust is difficult to clean, and therefore the exhaust fan convenient to install is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an exhaust fan convenient to mount, which can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides an air discharge fan convenient to installation, includes the main part, four square through holes have been seted up in the main part, and four square through hole correspond to set up on the both sides inner wall of main part, four all alternate in the square through hole and have a fixed plate, four the upside of fixed plate is all pegged graft and is had fixing bolt, and four fixed plates respectively with four fixing bolt swing joint, four fixing bolt all pegs graft in the main part, and four fixing bolt and main part are threaded connection.

Preferably, the exhaust pipe is fixedly mounted on the lower side of the main body, the motor is arranged in the main body and fixedly connected with the main body through four support plates, the four support plates are circumferentially arrayed and arranged, the motor rotating shaft is inserted in the motor, and the motor is movably connected with the motor rotating shaft.

Preferably, the sleeve is sleeved on the circumferential outer surface of the motor rotating shaft, the motor rotating shaft is fixedly connected with the sleeve, a fixed groove is formed in the circumferential outer surface of the sleeve, the rotary disc is sleeved on the circumferential outer surface of the sleeve, a mounting hole is formed in the rotary disc, the rotary disc is sleeved with the button through the mounting hole, the rotary disc is movably connected with the button, the mounting groove is formed in the button, the button is sleeved on the circumferential outer surface of the sleeve through the mounting groove, a spring is arranged on the upper side of the sleeve, and the upper end of the spring is fixedly connected with the button.

Preferably, the lower extreme fixed mounting of button has four connecting plates, four the connecting plate is two liang of arranging side by side, four oblique type through-hole has all been seted up on the connecting plate, oblique type through-hole is "Z" type, four the connecting plate is provided with the bolt between two liang, two all pegging graft on the bolt has the slide bar, and two bolts respectively with two slide bar fixed connection, two the both ends of slide bar all peg graft in oblique type through-hole, and two slide bars and four oblique type through-holes are sliding connection, set up two spouts in the mounting hole, two the one end of bolt is pegged graft in fixed recess, two the other end of bolt is pegged graft respectively at positioning groove, and two bolts respectively with two positioning groove swing joint.

Preferably, two positioning grooves are formed in the turntable, two positioning rods are fixedly mounted on the outer circumferential surface of the sleeve, the two positioning rods are respectively inserted into the two positioning grooves, and the two positioning rods are respectively movably connected with the two positioning grooves.

Preferably, six fan blades are fixedly mounted on the circumferential outer surface of the rotary table, and the six fan blades are circumferentially arrayed on the rotary table.

Preferably, the upside movable mounting of main part has the air inlet grille board, one side of air inlet grille board is provided with the mount, the mount is "L" type structure, mount and main part fixed connection, the opposite side of air inlet grille board is provided with the knob, the lower part of knob is pegged graft in the main part, and knob and main part swing joint, the upper portion of knob is the semi-circular disc.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arranged fixing bolt, the square through hole and the fixing plate, the problems that the existing exhaust fan is inconvenient to install and cannot be flexibly adjusted according to the thickness of a plate at an installation opening can be solved, after the main body of the exhaust fan is placed into the reserved opening of the ceiling, the fixing plate is inserted into the square through hole through the arranged square through hole, the exhaust fan can be clamped in the reserved opening through the matching of the fixing plate and the main body, the distance between one end of the fixing plate and the main body can be reduced through screwing the arranged fixing bolt according to the lever principle, so that the fixing bolt can be adjusted according to the thickness of the plate at the reserved opening, the exhaust fan is firmly clamped in the reserved opening, and the practicability of the exhaust fan is improved.

2. Through the bolt and the knob that set up, can solve the problem that is difficult to the clearance dust that current air discharge fan exists, when this air discharge fan needs to clear up, move the knob that sets up through twisting, twist the semicircle type breach of knob to correspond the position with the grid board that admits air, can follow knob one side and take off the grid board that admits air, then press the button to the direction of motor, the oblique type through-hole of seting up on simultaneously even connecting plate and the connecting plate removes, then slide the pole through the setting in oblique type through-hole, can drive the bolt and break away from fixed slot, treat that the bolt breaks away from fixed slot completely after, alright take off carousel and flabellum from the sleeve, then alright clear up with the dust to the flabellum and the inside of admitting air grid board and its main part, through the aforesaid setting, can make the inside of this air discharge fan keep clean, guarantee the safety and sanitation of this air discharge fan.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a schematic view of an overall structure of an exhaust fan convenient to install according to the present invention.

Fig. 2 is an internal view of an exhaust fan of the present invention for ease of installation.

Fig. 3 is a front sectional view of an exhaust fan of the present invention for easy installation.

Fig. 4 is a side sectional view of an exhaust fan of the present invention for ease of installation.

Fig. 5 is an enlarged view of a in fig. 2 of an exhaust fan of the present invention for easy installation.

Fig. 6 is an enlarged view of B of fig. 3 of an exhaust fan according to the present invention for easy installation.

Fig. 7 is an enlarged view of C of fig. 4 of an exhaust fan according to the present invention for easy installation.

In the figure: 1. a main body; 2. an exhaust pipe; 3. a square through hole; 4. a fixing plate; 5. fixing the bolt; 6. a support plate; 7. a motor; 8. a motor shaft; 9. a sleeve; 10. a turntable; 11. mounting holes; 12. a button; 13. installing a groove; 14. a spring; 15. a connecting plate; 16. an oblique through hole; 17. a bolt; 18. a slide bar; 19. fixing the groove; 20. a chute; 21. a positioning groove; 22. positioning a rod; 23. a fan blade; 24. an air intake grille panel; 25. a fixed mount; 26. a knob.

Detailed Description

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

As shown in fig. 1-7, an exhaust fan convenient to installation, including main part 1, four square through holes 3 have been seted up on main part 1, four square through holes 3 correspond and set up on the both sides inner wall of main part 1, all alternate fixed plate 4 in four square through holes 3, fixing bolt 5 has all been pegged graft to the upside of four fixed plates 4, and four fixed plates 4 respectively with four fixing bolt 5 swing joint, four fixing bolt 5 all peg graft at main part 1, and four fixing bolt 5 are threaded connection with main part 1.

In this embodiment, the fixing bolt 5 of setting, square through hole 3 and fixed plate 4, can solve current air discharge fan and be not convenient for install, and can not carry out the problem of nimble adjustment according to installing port panel thickness, after putting into the ceiling reservation mouth with the main part 1 of this air discharge fan, square through hole 3 through setting up, peg graft square through hole 3 with fixed plate 4, cooperation through fixed plate 4 and main part 1, can be with this air discharge fan card in the reservation mouth, through twisting the fixing bolt 5 who changes the setting, according to lever principle, can be with the one end that reduces fixed plate 4 and the distance of main part 1, consequently, can be according to reservation mouth panel thickness adjustment fixing bolt 5, make the joint of this air discharge fan firm in the reservation mouth, the usability of this air discharge fan has been increased.

As shown in fig. 1-7, an exhaust pipe 2 is fixedly mounted on the lower side of a main body 1, a motor 7 is arranged inside the main body 1, the motor 7 is fixedly connected with the main body 1 through four supporting plates 6, the four supporting plates 6 are arranged in a circumferential array, a motor rotating shaft 8 is inserted into the motor 7, and the motor 7 is movably connected with the motor rotating shaft 8.

Sleeve 9 has been cup jointed to motor shaft 8's circumference surface, motor shaft 8 and sleeve 9 fixed connection, fixed recess 19 has been seted up to sleeve 9's circumference surface, sleeve 9's circumference surface has been cup jointed carousel 10, mounting hole 11 has been seted up on carousel 10, carousel 10 has cup jointed button 12 through mounting hole 11, carousel 10 and button 12 swing joint, mounting groove 13 has been seted up to button 12's inside, button 12 cup joints on sleeve 9's circumference surface through mounting groove 13, sleeve 9's upside is provided with spring 14, spring 14's upper end and button 12 fixed connection.

The lower extreme fixed mounting of button 12 has four connecting plates 15, four connecting plates 15 are two liang of arranging side by side, oblique type through-hole 16 has all been seted up on four connecting plates 15, oblique type through-hole 16 is "Z" type, four connecting plates 15 are provided with bolt 17 between two liang, slide bar 18 has all been pegged graft on two bolt 17, and two bolt 17 respectively with two slide bar 18 fixed connection, two slide bar 18's both ends are all pegged graft in oblique type through-hole 16, and two slide bar 18 are sliding connection with four oblique type through-holes 16, seted up two spout 20 in the mounting hole 11, the one end of two bolt 17 is pegged graft in fixed slot 19, the other end of two bolt 17 is pegged graft respectively at positioning groove 21, and two bolt 17 respectively with two positioning groove 21 swing joint.

Two positioning groove 21 have been seted up on carousel 10, and the circumference surface fixed mounting of sleeve 9 has two locating levers 22, and two locating levers 22 are pegged graft respectively in the inside of two positioning groove 21, two locating levers 22 respectively with two positioning groove 21 swing joint, through two locating levers 22 that set up, can block carousel 10 when motor 7 is rotatory, and then can drive carousel 10 and its flabellum 23 rotation, make this air discharge fan normally work.

Six fan blades 23 are fixedly arranged on the circumferential outer surface of the rotary table 10, and the six fan blades 23 are circumferentially arrayed on the rotary table 10.

Upside movable mounting of main part 1 has air intake grid plate 24, one side of air intake grid plate 24 is provided with mount 25, mount 25 is "L" type structure down, mount 25 and 1 fixed connection of main part, air intake grid plate 24's opposite side is provided with knob 26, the lower part of knob 26 is pegged graft in main part 1, and

knob

26 and 1 swing joint of main part, the upper portion of knob 26 is semi-circular disc, through the "L" type structure mount 25 that falls who sets up, can block air intake grid plate 24 one side, through rotatory knob 26, stagger the corresponding air intake grid plate 24 of knob 26 semicircular notch, can block air intake grid plate 24's opposite side.

In this embodiment, the bolt 17 and the knob 26 are provided to solve the problem that the existing exhaust fan is difficult to clean dust, when the exhaust fan needs to be cleaned, the knob 26 is screwed to screw the semicircular notch of the knob 26 to the position corresponding to the air inlet grating plate 24, the air inlet grating plate 24 can be taken down from one side of the knob 26, the button 12 is then pressed towards the motor 7, the inclined through hole 16 formed on the connecting plate 15 and the connecting plate 15 is moved, the bolt 17 can be driven to be separated from the fixing groove 19 by sliding the slide rod 18 in the inclined through hole 16, the rotary disc 10 and the fan blade 23 can be taken down from the sleeve 9 after the bolt 17 is completely separated from the fixing groove 19, then the fan blade 23, the air inlet grating plate 24 and the dust inside of the main body 1 can be cleaned, and the inside of the exhaust fan can be kept clean by the above arrangement, the safety and the sanitation of the exhaust fan are ensured.

It should be noted that, the present invention is an exhaust fan convenient to install, when in use, firstly, the exhaust fan needs to be installed, firstly, the main body 1 of the exhaust fan is placed into the reserved opening of the ceiling of the house, then the four fixing plates 4 are respectively inserted into all the square through holes 3, next, the four fixing bolts 5 respectively penetrate through the fixing plates 4, the fixing bolts 5 are screwed to the main body 1, then the fixing bolts 5 are respectively screwed according to the thickness of the ceiling plate, so that the fixing plates 4 are matched with the main body 1, and the exhaust fan is firmly fixed on the ceiling.

After the exhaust fan is used for a long time, the interior of the exhaust fan can be fully squeezed with dust, when the exhaust fan needs to be cleaned, the arranged knob 26 is screwed, the semicircular notch of the knob 26 is screwed to the position corresponding to the air inlet grating plate 24, the air inlet grating plate 24 can be taken down from one side of the knob 26, then the button 12 is pressed towards the motor 7, meanwhile, the connecting plate 15 and the inclined through hole 16 arranged on the connecting plate 15 move, then the sliding rod 18 arranged slides in the inclined through hole 16 to drive the bolt 17 to be separated from the fixed groove 19, after the bolt 17 is completely separated from the fixed groove 19, the rotary disc 10 and the fan blade 23 can be taken down from the sleeve 9, then the fan blade 23, the air inlet grating plate 24 and the dust in the interior of the main body 1 can be cleaned, an operator needs to press the button 12 to enable the bolt 17 to slide into the bottom of the sliding groove 20, then correspond locating lever 22 through positioning groove 21, cup joint carousel 10 on sleeve 9, correspond fixed recess 19 when bolt 17 position, loosen button 12, by the spring action of spring 14, button 12 is at the in-process that moves to the original position, can produce the linkage and make bolt 17 slide in fixed recess 19, then according to above-mentioned operation, will admit air grid plate 24 and install on this exhaust fan, alright continue to use this exhaust fan after the completion.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An exhaust fan convenient to installation, includes main part (1), its characterized in that: four square through holes (3) have been seted up on main part (1), and four square through holes (3) correspond and set up on the both sides inner wall of main part (1), four fixed plate (4) have all been alternate in square through hole (3), four the upside of fixed plate (4) is all pegged graft and is had fixing bolt (5), and four fixed plate (4) respectively with four fixing bolt (5) swing joint, four fixing bolt (5) are all pegged graft in main part (1), and four fixing bolt (5) are threaded connection with main part (1).

2. An exhaust fan for ease of installation as claimed in claim 1, wherein: the exhaust pipe (2) is fixedly mounted on the lower side of the main body (1), a motor (7) is arranged inside the main body (1), the motor (7) is fixedly connected with the main body (1) through four supporting plates (6) and four supporting plates (6) are arranged in a circumferential array mode, a motor rotating shaft (8) is inserted into the motor (7), and the motor (7) is movably connected with the motor rotating shaft (8).

3. An exhaust fan for easy installation according to claim 2, wherein: sleeve (9) have been cup jointed to the circumference surface of motor shaft (8), motor shaft (8) and sleeve (9) fixed connection, fixed recess (19) have been seted up to the circumference surface of sleeve (9), carousel (10) have been cup jointed to the circumference surface of sleeve (9), mounting hole (11) have been seted up on carousel (10), button (12) have been cup jointed through mounting hole (11) in carousel (10), carousel (10) and button (12) swing joint, mounting groove (13) have been seted up to the inside of button (12), button (12) cup joint on the circumference surface of sleeve (9) through mounting groove (13), the upside of sleeve (9) is provided with spring (14), the upper end and the button (12) fixed connection of spring (14).

4. An exhaust fan for easy installation according to claim 3, wherein: the lower end of the button (12) is fixedly provided with four connecting plates (15), the four connecting plates (15) are arranged in pairs in parallel, the four connecting plates (15) are all provided with oblique through holes (16), the oblique through holes (16) are Z-shaped, bolts (17) are arranged between every two connecting plates (15), two bolts (17) are all inserted with sliding rods (18), the two bolts (17) are respectively and fixedly connected with the two sliding rods (18), two ends of the two sliding rods (18) are all inserted in the oblique through holes (16), the two sliding rods (18) are respectively and slidably connected with the four oblique through holes (16), the mounting hole (11) is internally provided with two sliding chutes (20), one ends of the two bolts (17) are inserted in the fixed groove (19), the other ends of the two bolts (17) are respectively inserted in the positioning grooves (21), and the two bolts (17) are respectively movably connected with the two positioning grooves (21).

5. An exhaust fan for easy installation according to claim 4, wherein: two positioning grooves (21) are formed in the turntable (10), two positioning rods (22) are fixedly mounted on the outer circumferential surface of the sleeve (9), the two positioning rods (22) are respectively inserted into the two positioning grooves (21), and the two positioning rods (22) are respectively movably connected with the two positioning grooves (21).

6. An exhaust fan for ease of installation as claimed in claim 5, wherein: six fan blades (23) are fixedly mounted on the outer circumferential surface of the rotary table (10), and six fan blades (23) are circumferentially arrayed on the rotary table (10).

7. An exhaust fan for easy installation according to claim 2, wherein: the utility model discloses a grid plate, including main part (1), upside movable mounting of main part (1) has air intake grid plate (24), one side of air intake grid plate (24) is provided with mount (25), mount (25) are "L" type structure, mount (25) and main part (1) fixed connection, the opposite side of air intake grid plate (24) is provided with knob (26), the lower part of knob (26) is pegged graft on main part (1), and knob (26) and main part (1) swing joint, the upper portion of knob (26) is the semi-circular disc.