CN215552442U - Foot blowing air duct air outlet device for vehicle air conditioner - Google Patents

Abstract

The application relates to a blow sufficient wind channel air-out device for vehicle air conditioner includes: the foot blowing air door comprises an air door main body, wherein the air door main body comprises an arc surface and fan-shaped surfaces on two sides of the arc surface, and the fan-shaped surfaces are connected with the arc edges of the arc surface at a rounded angle and face the lower part of the arc surface; the foot blowing air duct comprises an air inlet and an air outlet; the air door main body is characterized in that the axis of the sector surface of the air door main body is movably connected with the top of the air inlet. The size of the arc surface of the air door main body is matched with the air inlet of the foot blowing air duct; wherein, the length of the radius of the sector surface is adapted to the size of the foot blowing air duct. The air outlet device of the foot blowing air duct has no air flow disorder phenomenon, and can be widely applied to air conditioning systems of vehicles.

Description

Foot blowing air duct air outlet device for vehicle air conditioner

Technical Field

The application relates to the field of automobile air conditioner air doors, in particular to a foot blowing air duct air outlet device for a vehicle air conditioner.

Background

A foot-blowing airflow distribution device for a vehicle air conditioner generally comprises a shell, a temperature air door, a foot-blowing air door, a hot air channel arranged on the shell, a foot-blowing air channel, an air door sealing structure and a foot-blowing air outlet. When the butterfly damper is used, as shown in fig. 3 and 4, when hot air passes through the foot blowing damper, air is concentrated around the damper, and air is likely to be disturbed on the wall surface of the damper, so that the ventilation resistance is higher, the air output is reduced, and similarly, the same phenomenon also exists in the flag-shaped damper structure. In addition, because the air door is a movable part, the two types of air door structures are easy to generate vibration excitation phenomenon due to airflow instability when the wind speed is high, so that abnormal sound is generated, and the use experience of customers is influenced.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application will be solved is that blow easily to produce higher windage when sufficient air door leads to the hot-blast among the present vehicle air conditioner, lead to the air output little, influence the problem of comfort level.

In order to solve the technical problem, according to an embodiment of the present application, the present application provides a blow sufficient wind channel air-out device for vehicle air conditioner, which is characterized by comprising:

the foot blowing air door comprises an air door main body, wherein the air door main body comprises an arc surface and fan-shaped surfaces on two sides of the arc surface, and the fan-shaped surfaces are connected with the arc edges of the arc surface at a rounded angle and face the lower part of the arc surface; the foot blowing air duct comprises an air inlet and an air outlet; the axis of the sector surface of the air door main body is movably connected with the top of an air inlet of the foot blowing air duct; the size of the arc surface of the air door main body is matched with the air inlet of the foot blowing air duct; wherein, the length of the radius of the sector surface is adapted to the size of the inside of the foot blowing air duct.

According to an embodiment of the present application, a surface of the damper main body is provided with a sealing material.

According to the embodiment of the application, the sealing material can be a sponge material adhered to the surface of the air door main body through an assembling process, and the sealing material can also be a thermoplastic elastomer material coated on the surface of the air door main body through an injection molding process.

According to the embodiment of the application, the top of the air inlet is provided with a first sealing structure, the bottom of the air inlet is provided with a second sealing structure, and the first sealing structure and the second sealing structure are respectively sealed with the first straight edge and the second straight edge of the arc surface.

According to an embodiment of the application, both the first sealing structure and the second sealing structure may be sealing strips.

According to the embodiment of the application, the top of the air inlet of the foot blowing air duct and the axis of the sector of the air door main body can be connected through a rotating shaft.

According to the embodiment of the application, the foot blowing air door can be integrally formed in an injection molding mode.

According to the embodiment of the application, the foot blowing air duct is arranged above the hot air duct.

According to the embodiment of the application, the air outlet device of the foot blowing air duct further comprises an actuator for controlling the closing and opening of the foot blowing air door.

Compared with the prior art, the utility model provides a blow sufficient wind channel air-out device for vehicle air conditioner has following beneficial effect:

this application will blow the rotating part design of sufficient air door and at the roof in the wind channel of blowing, and the air door face design is circular-arc. The air outlet device of the foot blowing air channel enlarges the air channel overflowing area, reduces the wind resistance, obviously increases the air outlet amount, and improves the comfort level of a user.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description only relate to some embodiments of the present application and are not limiting on the present application.

FIG. 1 is a schematic view of the wind direction of a foot-blowing air duct air outlet device for a vehicle air conditioner according to the present invention;

FIG. 2 is a schematic structural diagram of a foot blowing air door of the foot blowing air duct air outlet device for the vehicle air conditioner;

FIG. 3 is a schematic view of a wind direction of a foot-blowing duct wind outlet device for a vehicle air conditioner in the prior art;

fig. 4 is a schematic diagram of a butterfly damper according to the prior art.

The reference numerals are explained below:

10. a foot-blowing air door is arranged on the foot,

11. the arc surface is a circular arc surface,

12. the fan-shaped surface is a circular surface,

20. a foot-blowing air duct is arranged on the foot-blowing air duct,

21. an air inlet is arranged on the top of the air inlet,

22. an air outlet is arranged on the air outlet,

23. a first sealing structure is arranged at the bottom of the shell,

24. a second sealing structure is arranged on the outer wall of the shell,

30. a hot air duct is arranged on the upper portion of the hot air duct,

40. the direction of the wind.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and claims of this patent application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Embodiments of the present application are described below with reference to the drawings.

Fig. 1 is a schematic view of the wind direction of the air outlet device of the foot-blowing duct 20 for the vehicle air conditioner of the present invention.

As shown in fig. 1, the wind direction of the foot-blowing air duct 20 air outlet device for the vehicle air conditioner of the present application is schematically illustrated, and the foot-blowing air duct 20 air outlet device includes a foot-blowing air door 10 and a foot-blowing air duct 20.

As shown in fig. 1, the foot-blowing duct 20 includes an air inlet 21 and an air outlet 22, and the air inlet 21 is connected to the air outlet 22 of the hot air duct 30. The hot air duct 30 is designed below the foot blowing duct 20, so that hot air can enter the foot blowing duct 20 more conveniently.

Fig. 2 is a schematic structural diagram of a foot-blowing damper 10 of an air outlet device of a foot-blowing air duct 20 for a vehicle air conditioner.

As shown in fig. 1 and 2, the foot-blowing air door 10 is designed at the air inlet 21 of the foot-blowing air duct 20, and the foot-blowing air door 10 includes an air door main body, the air door main body includes an arc surface 11 and fan-shaped surfaces 12 on two sides of the arc surface 11, and the fan-shaped surfaces 12 are connected with the arc edge of the arc surface 11 at a rounded angle and face the lower side of the arc surface 11. The axial center of the sector 12 is a connecting portion of the foot blowing air door 10, the connecting portion of the foot blowing air door 10 is movably disposed at the top of the air inlet 21, and if a rotating shaft is used for connection, the foot blowing air door 10 can rotate in the foot blowing air duct 20 to open and close the air duct. The movable connection mode is not limited, and the movable connection mode commonly used by technicians in the field can be adopted according to actual conditions. The movable connecting part at the sector 12 drives the arc surface 11 of the foot blowing air door 10 to rotate in the air duct, the arc surface 11 is designed along the width direction of the foot blowing air duct 20, the size of the arc surface 11 is designed according to the size of the air inlet 21, and when the arc surface 11 rotates to the first straight edge and the second straight edge which are respectively connected with the top and the bottom of the air inlet 21 of the foot blowing air duct 20, the foot blowing air duct 20 is in a closed state; the diameter and the length of the sector 12 are designed according to the size of the air inlet 21, the arc surface 11 can be rotated to be close to the bottom of the air inlet 21 of the foot blowing air duct 20, the air inlet 21 is free from blocking, and the foot blowing air duct 20 is in an open state.

As shown in fig. 1, further, a first sealing structure 23 is disposed at a joint of the first straight edge of the arc surface 11 and the top of the air inlet 21, and a second sealing structure 24 is disposed at a joint of the second straight edge of the arc surface 11 and the bottom of the air inlet 21, so as to enhance the sealing performance of the air duct and position the position of the arc surface 11 of the foot blowing air door 10 for closing the foot blowing air duct 20. Meanwhile, when the arc surface 11 rotates to be close to the bottom of the air inlet 21, the first straight edge of the arc surface 11 can be sealed and positioned with the second sealing structure 24, so that hot air is prevented from dispersedly flowing out of the bottom of the foot blowing air duct 20, and the air volume is reduced. The sealing structure may be a sealing layer attached to the inner surface of the blow-by duct 20, but the present application is not limited thereto, and a sealing structure commonly used by those skilled in the art may be used.

Further, the surface of the damper main body of the blow-out damper 10 is provided with a sealing material, the sealing material may be a sponge material adhered to the surface of the damper main body through an assembly process, or the sealing material may be a thermoplastic elastomer material coated on the surface of the damper main body through an injection molding process, but the present invention is not limited thereto.

Further, the foot blow door 10 may be integrally injection molded.

Further, the foot-blowing duct 20 is disposed above the hot-air duct 30.

Further, the air outlet device of the foot-blowing air duct 20 further includes an actuator for controlling the opening and closing of the foot-blowing damper 10.

The working principle of the air outlet device of the foot blowing air duct 20 for the vehicle air conditioner is as follows: the heat exchanger converts cold air into hot air to enter the hot air duct 30, the foot blowing duct 20 is located above the hot air duct 30, the hot air enters the air inlet 21 of the foot blowing duct 20 from the outlet of the hot air duct 30 and is concentrated on the middle upper part of the air inlet 21 of the foot blowing duct 20, the foot blowing air door 10 rotates to an open state, the circular arc-shaped air door face is close to the bottom of the air inlet 21 of the foot blowing duct 20, the hot air is concentrated smoothly and can be smoothly blown out through the air outlet 22 of the foot blowing duct 20, the air outlet quantity is obviously improved, and better experience is brought to a user.

Fig. 3 is a schematic diagram of the wind direction of a prior art wind outlet device of a blow-down duct 20 for a vehicle air conditioner, fig. 4 is a structural diagram of a prior art butterfly damper, and reference numerals 40 represent the wind direction.

Through comparison between fig. 1 and fig. 3 and 4, it can be seen that when hot air passes through the butterfly-shaped air door 10 in the prior art, air is concentrated around the butterfly-shaped air door, and air is likely to be disturbed on the wall surface of the air door, so that the ventilation resistance is higher, and the air output is reduced.

Compared with the prior art, the air outlet device for the foot blowing air duct 20 of the vehicle air conditioner has the following beneficial effects:

this application will blow the design of the rotating part of sufficient air door 10 and at the roof in the wind channel of blowing, and the design of air door face is circular-arc. The air outlet device of the foot blowing air channel enlarges the air channel overflowing area, reduces the wind resistance, remarkably increases the air outlet quantity, and improves the comfort level of a user.

The above description is only exemplary of the present application and is not intended to limit the scope of the present application, which is defined by the appended claims.

Claims (10)

1. The utility model provides a blow sufficient wind channel air-out device for vehicle air conditioner which characterized in that includes:

the foot blowing air door comprises an air door main body, wherein the air door main body comprises an arc surface and fan-shaped surfaces on two sides of the arc surface, and the fan-shaped surfaces are connected with the arc edge of the arc surface at a rounded angle and face the lower part of the arc surface;

the foot blowing air duct comprises an air inlet and an air outlet;

and the axis of the sector surface of the air door main body is movably connected with the top of the air inlet.

The size of the arc surface of the air door main body is matched with the air inlet of the foot blowing air duct;

the length of the radius of the sector surface is adapted to the size of the foot blowing air duct.

2. The forced draft fan wind outlet device according to claim 1, wherein an angle formed by the fan-shaped surface and the circular arc surface is not more than 90 degrees.

3. The exhaust device of claim 1, wherein the surface of the damper body is provided with a sealing material.

4. The device for exhausting the foot-blowing air duct according to claim 3, wherein the sealing material is a sponge material adhered to the surface of the damper main body by an assembling process.

5. The exhaust device of the foot-blowing air duct according to claim 3, wherein the sealing material is a thermoplastic elastomer material coated on the surface of the damper main body through an injection molding process.

6. The exhaust device of the foot-blowing air duct according to claim 1, wherein a first sealing structure is arranged at the top of the air inlet, a second sealing structure is arranged at the bottom of the air inlet, and the first sealing structure and the second sealing structure respectively seal with a first straight edge and a second straight edge of the arc surface.

7. The forced draft fan of claim 1, wherein the first and second sealing structures are sealing layers attached to an inner surface of the forced draft fan.

8. The device as claimed in claim 1, wherein the top of the foot-blowing duct is connected to the axis of the sector of the damper body by a rotating shaft.

9. The foot-blowing duct air outlet device of claim 1, wherein the foot-blowing damper is integrally injection molded.

10. The foot-blowing duct outlet device of claim 1, further comprising an actuator that controls the closing and opening of the foot-blowing damper.

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