CN216714769U

CN216714769U - Low-noise evaporation fan for automobile air conditioning system

Info

Publication number: CN216714769U
Application number: CN202123378788.4U
Authority: CN
Inventors: 徐晓忠
Original assignee: Suzhou Saizhong Electromechanical Co ltd
Current assignee: Suzhou Saizhong Electromechanical Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-10
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a low-noise evaporation fan for an automobile air conditioning system, which comprises a mounting plate, wherein the upper surface of the mounting plate is fixedly connected with a noise reduction shell, a plurality of heat dissipation holes are formed in two sides of the noise reduction shell, the outer wall of one side of the noise reduction shell is fixedly connected with two guide rods, sliding grooves are formed in the guide rods, an L-shaped frame is movably connected in the sliding grooves and is in contact with the noise reduction shell, the top of the L-shaped frame is fixedly connected with a spring, the spring is fixed with the guide rods, a motor is arranged in the noise reduction shell, and one end of an output shaft of the motor is fixedly connected with a connecting rod. The utility model not only can enable the L-shaped frame to clean the radiating holes on the noise reduction shell through the matching use of the L-shaped frame and the poke rod, thereby improving the radiating effect of the device, but also can reduce the vibration of the L-shaped frame through the vibration reducer, thereby improving the vibration reduction effect of the device, and also can prevent external impurities from being brought into the volute through the filter plate.

Description

Low-noise evaporation fan for automobile air conditioning system

Technical Field

The utility model relates to the technical field of evaporation fans, in particular to a low-noise evaporation fan for an automobile air conditioning system.

Background

Along with the development of science and technology and the improvement of people's standard of living, the car has gained popularity in people's daily life, and in the car driving process, the drive module driving motor produced a large amount of heats because of the power problem simultaneously, or because of the weather is comparatively hot makes the temperature in the passenger train higher, consequently need use the car air conditioner to cool down.

The automobile air conditioning system is an important component of an automobile, wherein the use of the low-noise evaporation fan improves the driving comfort, the common low-noise evaporation fan can cover the noise reduction shell for the motor to reduce the noise generated by the motor, but the heat dissipation holes in the noise reduction shell are easily blocked by impurities, the heat dissipation effect of the motor can be reduced, and the normal use of the automobile air conditioning system is influenced, so that the low-noise evaporation fan for the automobile air conditioning system is very necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a low-noise evaporation fan for an automobile air conditioning system.

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

a low-noise evaporation fan for an automobile air conditioning system comprises a mounting plate, wherein a noise reduction shell is fixedly connected to the upper surface of the mounting plate, a plurality of heat dissipation holes are formed in two sides of the noise reduction shell, two guide rods are fixedly connected to the outer wall of one side of the noise reduction shell, sliding grooves are formed in the guide rods, an L-shaped frame is movably connected in the sliding grooves and is in contact with the noise reduction shell, a spring is fixedly connected to the top of the L-shaped frame and is fixed to the guide rods, a motor is arranged in the noise reduction shell, a connecting rod is fixedly connected to one end of an output shaft of the motor, a rotating disc is fixedly connected to the outer side of the connecting rod, a poking rod is fixedly connected to one side of the rotating disc and is in contact with the L-shaped frame, a fixing seat is fixedly connected to the outer side of the connecting rod, a plurality of blades are fixedly connected to one side of the fixing seat, and a fixing ring is fixedly connected to one end of each blade, one end of the fixing seat is fixedly connected with a plurality of fan blades, and the fan blades are fixed with the fixing ring.

As a further scheme of the utility model, the upper surface of the mounting plate is fixedly connected with a volute, one side of the volute is provided with a mounting opening, and a filter plate is fixedly connected in the mounting opening.

As a further scheme of the utility model, sound insulation cotton is arranged on the outer side of the volute.

As a further scheme of the utility model, an air outlet is arranged inside the mounting plate.

As a further aspect of the present invention, a weight member is fixedly connected to one side of the rotating disc.

As a still further aspect of the present invention, a damping coating is fixedly connected to the inside of the noise reduction casing.

As a further scheme of the present invention, the upper surface of the mounting plate is fixedly connected with a damping pad, and the damping pad is in contact with the noise reduction shell.

As a further scheme of the utility model, the upper surface of the mounting plate is fixedly connected with a shock absorber, and the shock absorber is fixed with the L-shaped frame.

The utility model has the beneficial effects that:

1. through the cooperation use of L type frame and poker rod, the motor rotates and makes the connecting rod drive the poker rod and rotate to make the poker rod promote L type frame and reciprocate along the sliding tray, and the spring is flexible, and then make L type frame clear up the louvre of making an uproar on the shell of making an uproar, avoid making an uproar the louvre on the shell of making an uproar easily plug up by impurity and cause the motor radiating effect to reduce, influence vehicle air conditioning system's normal use, improved the radiating effect of device.

2. Through the setting at L type shelf location bumper shock absorber, the bumper shock absorber can carry out the shock attenuation to L type frame, avoids L type frame to influence the result of use of device greatly in the vibrations that the in-process that descends produced, has improved the shock attenuation effect of device.

3. The cooperation through fan leaf and blade is used, communicates air outlet and outside evaporation case mutually, and the connecting rod rotates and makes the fixing base drive the blade and rotate to make solid fixed ring drive the fan leaf and rotate, outside wind enters into inside the spiral case through the filter, and make wind pass through the air outlet through fan leaf and blade and discharge in the outside evaporimeter, improved the result of use of device.

Drawings

FIG. 1 is a schematic perspective view of a low noise evaporation fan for an automotive air conditioning system according to the present invention;

FIG. 2 is a schematic cross-sectional view of a volute of a low-noise evaporation fan for an automotive air conditioning system according to the present invention;

fig. 3 is a schematic sectional view of a fixing seat of a low-noise evaporation fan for an automotive air conditioning system according to the present invention.

Fig. 4 is an enlarged structural diagram of a portion a of a low-noise evaporation fan for an automotive air conditioning system according to the present invention.

Fig. 5 is a schematic cross-sectional structural view of a noise reduction casing of a low-noise evaporation fan for an automotive air conditioning system according to the present invention.

In the figure: 1. sound insulation cotton; 2. a volute; 3. a filter plate; 4. mounting a plate; 5. a noise reduction housing; 6. a shock pad; 7. a blade; 8. a fan blade; 9. a fixing ring; 10. a fixed seat; 11. an L-shaped frame; 12. a spring; 13. a shock absorber; 14. a guide bar; 15. a connecting rod; 16. an air outlet; 17. a balancing weight; 18. rotating the disc; 19. a poke rod; 20. a sliding groove; 21. a damping coating; 22. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-5, a low noise evaporation fan for an automobile air conditioning system comprises a mounting plate 4, a noise reduction shell 5 is fixed on the upper surface of the mounting plate 4 through bolts, a plurality of heat dissipation holes 22 are respectively formed on both sides of the noise reduction shell 5, two guide rods 14 are fixed on the outer wall of one side of the noise reduction shell 5 through bolts, sliding grooves 20 are formed in the guide rods 14, an L-shaped frame 11 is connected in the sliding grooves 20 in a sliding manner, the L-shaped frame 11 is in contact with the noise reduction shell 5, a spring 12 is welded on the top of the L-shaped frame 11, the spring 12 is fixed with the guide rods 14, a motor is arranged inside the noise reduction shell 5, a connecting rod 15 is fixed on one end of a motor output shaft through bolts, a rotating disc 18 is welded on the outer side of the connecting rod 15, a poking rod 19 is welded on one side of the rotating disc 18, the poking rod 19 is in contact with the L-shaped frame 11, the motor rotates to drive the connecting rod 15 to drive the poking rod 19 to rotate, thereby make poker rod 19 promote L type frame 11 and reciprocate along sliding tray 20, and spring 12 is flexible, and then make L type frame 11 clear up the louvre 22 of making an uproar on the shell 5 of making an uproar, it is easy to be stopped up by impurity to avoid the louvre 22 of making an uproar on the shell 5 of making an uproar to fall to cause the motor radiating effect to reduce, influence vehicle air conditioning system's normal use, the outside welding of connecting rod 15 has fixing base 10, one side of fixing base 10 has a plurality of blades 7 through the bolt fastening, the one end of blade 7 has solid fixed ring 9 through the bolt fastening, the one end welding of fixing base 10 has a plurality of fan blades 8, and fan blade 8 is fixed mutually with solid fixed ring 9.

In the utility model, it should be noted that, a volute 2 is fixed on the upper surface of a mounting plate 4 through bolts, a mounting opening is arranged on one side of the volute 2, a filter plate 3 is fixed in the mounting opening through bolts, the filter plate 3 can filter impurities doped in wind to prevent the impurities from being brought into the volute 2, soundproof cotton 1 is arranged on the outer side of the volute 2, the soundproof cotton 1 can insulate sound of the volute 2, an air outlet 16 is arranged in the mounting plate 4 to communicate the air outlet 16 with an external evaporation box, a connecting rod 15 rotates to drive a fixed seat 10 to drive blades 7 to rotate, so that a fixed ring 9 drives fan blades 8 to rotate, external wind enters the volute 2 through the filter plate 3 and is discharged into the external evaporator through the air outlet 16 through the fan blades 8 and the blades 7, a balancing weight 17 is welded on one side of a rotating disc 18, and the balancing weight 17 enables the rotating disc 18 to have certain gravity, make its pivoted more stable, the inside of making an uproar shell 5 of falling bonds and has damping coating 21, the last surface bonding of mounting panel 4 has shock pad 6, and shock pad 6 contacts with the shell 5 of making an uproar of falling, the upper surface of mounting panel 4 has bumper shock absorber 13 through the bolt fastening, and bumper shock absorber 13 is fixed mutually with L type frame 11, bumper shock absorber 13 can carry out the shock attenuation to L type frame 11, avoid the great influence device's of the vibrations that L type frame 11 produced at the in-process that descends result in use effect.

The working principle is as follows: when the noise reduction shell 5 needs to be cleaned, firstly, the air outlet 16 is communicated with an external evaporation box, the motor is started, the motor rotates to enable the connecting rod 15 to drive the poke rod 19 to rotate, so that the poke rod 19 pushes the L-shaped frame 11 to move up and down along the sliding groove 20, and the spring 12 stretches and contracts, further, the L-shaped frame 11 cleans the heat dissipation holes 22 on the noise reduction shell 5, thereby preventing the heat dissipation holes 22 on the noise reduction shell 5 from being easily blocked by impurities to reduce the heat dissipation effect of the motor and influence the normal use of the automobile air conditioning system, the shock absorber 13 absorbs the shock of the L-shaped frame 11, preventing the greater shock generated in the descending process of the L-shaped frame 11 from influencing the use effect of the device, and simultaneously the connecting rod 15 rotates to enable the fixed seat 10 to drive the blades 7 to rotate, thereby leading the fixed ring 9 to drive the fan blade 8 to rotate, leading the external wind to enter the volute 2 through the filter plate 3, and discharges the wind into the external evaporator through the wind outlet 16 by the fan blades 8 and the blades 7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a low noise evaporation fan for vehicle air conditioning system, includes mounting panel (4), its characterized in that, the last fixed surface of mounting panel (4) is connected with and falls the shell (5) of making an uproar, and the both sides of falling the shell (5) of making an uproar all seted up a plurality of louvres (22), fall one side outer wall fixedly connected with two guide bars (14) of shell (5) of making an uproar, seted up sliding tray (20) in guide bar (14), swing joint has L type frame (11) in sliding tray (20), and L type frame (11) and fall the shell (5) of making an uproar and contact, the top fixedly connected with spring (12) of L type frame (11), and spring (12) and guide bar (14) are fixed mutually, the inside of falling the shell (5) of making an uproar is equipped with the motor, the one end fixedly connected with connecting rod (15) of motor output shaft, the outside fixedly connected with rolling disc (18) of connecting rod (15), one side fixedly connected with poker rod (19) of rolling disc (18), and poker rod (19) and L type frame (11) contact, outside fixedly connected with fixing base (10) of connecting rod (15), a plurality of blades of one side fixedly connected with (7) of fixing base (10), the solid fixed ring of one end fixedly connected with (9) of blade (7), a plurality of fan leaf of one end fixedly connected with (8) of fixing base (10), and fan leaf (8) are fixed mutually with solid fixed ring (9).

2. The low-noise evaporation fan for the automobile air conditioning system according to claim 1, wherein the upper surface of the mounting plate (4) is fixedly connected with a volute (2), a mounting opening is formed in one side of the volute (2), and a filter plate (3) is fixedly connected in the mounting opening.

3. A low noise evaporation fan for an automotive air conditioning system according to claim 2, characterized in that the outside of said scroll casing (2) is provided with soundproof cotton (1).

4. The low-noise evaporation fan for the air conditioning system of the automobile as claimed in claim 1, wherein the mounting plate (4) is provided with an air outlet (16) therein.

5. A low noise evaporation fan for an air conditioning system of a vehicle according to claim 1, wherein a weight block (17) is fixedly connected to one side of the rotary disk (18).

6. A low noise evaporation fan for an automotive air conditioning system according to claim 1, characterized in that a damping coating (21) is fixedly attached to the inside of said noise reduction casing (5).

7. The low-noise evaporation fan for the automobile air conditioning system according to claim 4, wherein a shock pad (6) is fixedly connected to the upper surface of the mounting plate (4), and the shock pad (6) is in contact with the noise reduction shell (5).

8. The low-noise evaporation fan for the air conditioning system of the automobile as claimed in claim 1, wherein a damper (13) is fixedly connected to the upper surface of the mounting plate (4), and the damper (13) is fixed to the L-shaped frame (11).