Cam-driven electric air outlet for vehicle

Abstract

The utility model provides a cam-driven electric air outlet for a vehicle, which comprises a shell, an outer air guide component and an adjusting mechanism, and two air outlet ends are arranged on the shell; the outer air guide assembly comprises air guide blades, and connecting rods are arranged at the ends of the air guide blades and can rotate synchronously. The adjusting mechanism comprises a push rod, a cam disc and a motor, the push rod is fixed between the two connecting rods, a shifting rod parallel to the connecting rods is arranged on the side wall of the push rod, a shifting part is arranged at the end of the shifting rod, the cam disc is installed at the output end of the motor, the rotating axis of the cam disc is perpendicular to the length direction of the shifting rod, and the cam disc is connected with the motor. An annular guide groove is eccentrically formed in the disc face of the cam disc, and the shifting part is arranged in the guide groove in a sleeved mode. The cam-driven electric air outlet for the vehicle is compact in structure, small in size, high in assembly precision, stable and reliable in operation, high in motor arrangement flexibility and wide in application range.

Description

Technical Field

[0001] The utility model relates to an automobile air-conditioning outlet, in particular to an automobile electric air outlet driven by a cam. Background Art

[0002] The air outlet of the automobile air conditioner is one of the important interior parts of the automobile. It is generally arranged in the cabin of the automobile or diagonally above the passenger seat. When the temperature in the car needs to be adjusted, the air conditioner can be turned on for cooling or heating, and the wind will blow out from the air outlet of the automobile air conditioner. The air outlet assembly of the automobile air conditioner usually includes a shell and horizontal blades and vertical blades installed in the shell. The vertical blades are used to adjust the wind direction in the horizontal direction, and the horizontal blades are used to adjust the wind direction in the vertical direction. There are multiple vertical blades and they are arranged at intervals. A connecting rod is installed in the shell to connect all the vertical blades to achieve linkage between the vertical blades.

[0003] The existing electric air outlets on the market use a direct connection between the motor and the blades to achieve transmission. It is necessary to ensure that the rotation direction of the motor is consistent with the rotation direction of the blades. The motor layout has poor flexibility, high precision requirements, and inconvenient installation. At the same time, it increases the occupied space and the product compactness is not ideal. Utility Model Content

[0004] [1] Technical issues to be solved

[0005] The technical problem to be solved by the utility model is to provide a cam-driven electric air outlet for a vehicle which has a compact structure, is easy to install, has flexible arrangement and reliable operation.

[0006] 【2】Technical solutions to solve the problem

[0007] The utility model provides a cam-driven electric air outlet for a vehicle, which comprises:

[0008] A housing 1, wherein two air outlets 101 are provided on the housing 1, and the air outlets 101 are strip-shaped and parallel to each other;

[0009] The outer air guide assembly 2 comprises an air guide blade 22 rotatably mounted on the air outlet end 101, wherein the air guide blade 22 is arranged equidistantly along the length direction of the air outlet end 101, and a connecting rod 6 is provided at the end of the air guide blade 22 so as to realize synchronous rotation;

[0010] The adjusting mechanism is installed on the side wall of the shell 1 and is located between the two air outlet ends 101, and includes a push rod 3, a cam plate 5 and a motor. The push rod 3 is fixed between the two connecting rods 6 and can make the two connecting rods 6 move synchronously. The side wall of the push rod 3 is provided with a lever 31 parallel to the connecting rod 6, and the end of the lever 31 is provided with a toggle portion 311. The cam plate 5 is installed at the output end of the motor, and its rotation axis is perpendicular to the length direction of the lever 31. An annular guide groove 510 is eccentrically provided on the disc surface of the cam plate 5, and the toggle portion 311 is sleeved on the guide groove.

[0011] Furthermore, the push rod 3 is perpendicular to the connecting rod 6 and is fixed on the connecting rod 6 through a slot.

[0012] Furthermore, the shifting rod 31 is located at the center of the push rod 3 .

[0013] Furthermore, the end of the lever 31 is bent 90 degrees toward the housing to form the shifting portion 311 .

[0014] Furthermore, the rotation axis of the cam plate 5 is perpendicular to and intersects with the axis of the shifting rod 31 .

[0015] Furthermore, the cam disc 5 includes a disc body 51 , a shaft body 52 is disposed on a first end surface of the disc body 51 , and the guide groove 510 is disposed on a second end surface of the disc body 51 and is eccentric to the axis of the shaft body 52 .

[0016] Furthermore, a drive assembly shell 4 is fixed to the side wall of the shell 1, and a drive wheel 41 is rotatably installed in the drive assembly shell 4. The end of the drive wheel 41 is provided with a sleeve hole 410 which has the same cross-sectional shape as the shaft body 52 and can accommodate the axial insertion of the shaft body 52 and realize radial limitation. The motor is installed in the drive assembly shell, and its output end is connected to the drive wheel 41 and can drive the drive wheel 41 to rotate.

[0017] Furthermore, the side wall of the drive assembly housing 4 is provided with a plurality of mounting holes 40, the side wall of the housing 1 is provided with a positioning shaft 112 and a mounting column 111 corresponding to the mounting holes 40, a screw hole is opened at the end of the mounting column 111, and the drive assembly housing 4 is fixed to the mounting column by bolts.

[0018] Furthermore, a first limiting portion 53 is provided at the root of the shaft body 52 , and a second limiting portion 42 capable of contacting with the first limiting portion 53 and achieving rotation angle limitation is provided on the side wall of the driving assembly housing 4 .

[0019] 【3】Beneficial effects

[0020] The cam-driven electric air outlet for a vehicle of the utility model is driven by a cam push rod, has a compact structure, a small size, is easy to assemble, and the motor configuration direction and the blade rotation direction do not need to be completely in the same direction, the motor arrangement is flexible, and the movement is reliable and stable; an integrated driving structure is adopted, which has a small size, is convenient and labor-saving for loading and unloading, and has a high installation precision; a limit structure is provided to prevent the cam disc from rotating over the stroke, has a limit protection function, operates reliably and stably, and has a long service life; the cam-driven electric air outlet for a vehicle of the utility model has a compact structure, a small size, high assembly precision, stable and reliable operation, and high flexibility in motor arrangement, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the cam-driven electric air outlet for vehicles of the utility model;

[0022] Figure 2 It is a cross-sectional view of the cam-driven electric air outlet for a vehicle of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the mounting column of the cam-driven vehicle electric air outlet of the utility model;

[0024] Figure 4 for Figure 3 Enlarged view of part A in the middle;

[0025] Figure 5 It is a structural schematic diagram of the driving assembly housing of the cam-driven vehicle electric air outlet of the utility model;

[0026] Figure 6 It is a schematic diagram of the installation of the adjustment mechanism of the cam-driven electric air outlet for vehicles of the utility model;

[0027] Figure 7 It is a schematic diagram of another angle of installation of the adjustment mechanism of the cam-driven electric air outlet for a vehicle of the utility model;

[0028] Figure 8 It is a structural schematic diagram of the adjustment mechanism of the cam-driven electric air outlet for a vehicle of the utility model;

[0029] Fig. 9 The utility model is a schematic diagram of the exploded structure of the adjustment mechanism of the cam-driven vehicle electric air outlet. DETAILED DESCRIPTION

[0030] The following is a detailed description of the embodiments of the present utility model in conjunction with the accompanying drawings.

[0031] See also Figure 1-Figure 9 The utility model provides a cam-driven electric air outlet for a vehicle, which comprises a shell 1, an outer air guide component 2 and an adjustment mechanism.

[0032] An air cavity 10 is formed in the shell 1, and an air inlet end and an air outlet end are provided on the side wall of the shell 1. There are two air outlet ends, which are strip-shaped hole structures. In the present application, there are two air outlet ends 101 and they are arranged in parallel, and a Y-shaped structure is formed between the air inlet end and the two air outlet ends. An internal air guide assembly is provided in the air cavity 10, including a driving motor arranged at the outer end of the shell 1 and an internal air guide blade rotatably installed in the air cavity 10, and the internal air guide blade is used to control the connection or blocking state of the two air outlet ends.

[0033] The outer wind guide component 2 is installed at the air outlet end and is used to adjust the wind direction at the air outlet end. Specifically, it includes a bracket frame 21 and an air guide blade 22. The bracket frame 21 is a strip structure, which is installed on the air outlet end. The air guide blade 22 is rotatably installed on the bracket frame 21, and its rotation axis is perpendicular to the air outlet direction. The air guide blade 22 is multiple and equidistantly arranged along the length direction. A connecting rod 6 is provided at the end of the air guide blade 22. Specifically, a rotating shaft is provided on the air guide blade 22, and a connecting rod 221 is provided at the end of the rotating shaft. The connecting rod 221 is perpendicular to the rotating shaft. A cam is provided at the end of the connecting rod, and the cam is parallel to the rotating shaft. The cam is sleeved on the connecting rod 6. By moving the connecting rod, all the air guide blades on the bracket frame can rotate synchronously, thereby realizing wind direction adjustment.

[0034] The adjustment mechanism is installed on the side wall of the shell 1 and is located between the two air outlet ends 101. It is used to drive the connecting rod to move and realize the electric adjustment of the wind direction. It includes a push rod 3, a cam plate 5 and a motor. The push rod 3 is fixed between the two connecting rods 6, which can make the two connecting rods 6 move synchronously. Specifically, the length direction of the push rod 3 is perpendicular to the length direction of the connecting rod 6. A connecting portion 32 is provided at the end of the push rod 3, and strip grooves are symmetrically opened on both sides of the connecting portion. At the same time, a card slot is provided on the side wall of the connecting rod 6, and the connecting portion is clamped in the card slot to realize quick connection; a lever 31 is provided on the side wall of the push rod 3, and the lever 31 is parallel to the connecting rod 6. It is set on the push rod 3 The center of the cam plate 5 is perpendicular to and intersects with the rotation axis of the cam plate 5. The end of the lever 31 is bent 90 degrees toward the shell to form a toggle portion 311. The cam plate 5 is installed at the output end of the motor. Specifically, the cam plate 5 includes a disc body 51, which is a circular plate-like (sheet-like) structure. A shaft body 52 is provided on the first end face of the disc body 51. The cross section of the shaft body is non-circular, usually a regular polygon or a polygon. A guide groove 510 is provided on the second end face of the disc body 51, that is, the other end face. The guide groove 510 is an annular groove and is eccentric to the axis of the shaft body 52. ​​The toggle portion 311 at the end of the lever can be inserted into the guide groove and can be driven by rotation. The push rod reciprocates; in this embodiment, a drive assembly shell 4 is fixed to the side wall of the shell 1, and the drive assembly shell 4 is located between the two air outlet ends. A drive wheel 41 is rotatably installed in the drive assembly shell 4, and the rotation axis of the drive wheel 41 is perpendicular to and intersects with the axis of the push rod 31. A sleeve hole 410 is opened at the end of the drive wheel 41. The cross-sectional shape of the sleeve hole 410 is the same as the cross-sectional shape of the shaft body 52, and can just accommodate the axial insertion of the shaft body 52, thereby realizing radial limitation. Therefore, the rotation of the drive wheel 41 can drive the shaft body (cam disc) to rotate. The motor is installed in the drive assembly shell, and the output end of the motor is connected to the drive wheel 41. The cam plate is connected to the drive assembly 41 and can drive the drive wheel 41 to rotate. Usually, a worm is provided on the output shaft of the motor, and gear teeth are provided on the side wall of the drive wheel to form a worm wheel, which meshes with the worm. Therefore, the output shaft of the motor is perpendicular to the rotation axis of the cam plate, and it can be arranged arbitrarily on the vertical plane of the cam plate, with high arrangement flexibility, which is conducive to achieving a compact structure. The drive assembly housing 4 is a rectangular parallelepiped structure as a whole, and a plurality of mounting holes 40 are provided on its side wall, four in this embodiment, and at the same time, two positioning shafts 112 and two mounting columns 111 corresponding to the mounting holes 40 are provided on the side wall of the housing 1, and the two positioning shafts 112 and the two mounting columns 111 are arranged diagonally, see Figure 3 The end of the positioning shaft can be inserted into the mounting hole, and a step surface is provided on the positioning shaft to achieve precise positioning and support of the drive assembly housing. A screw hole is provided at the end of the mounting column 111. During installation, the bolt is passed through the mounting hole and connected to the screw hole, thereby achieving fixed installation of the drive assembly housing 4.

[0035] In order to improve operational reliability and stability, a first limiting portion 53 is provided at the root of the shaft body 52. ​​The first limiting portion is a strip-shaped or rod-shaped structure, and its length direction is perpendicular to the axis of the shaft body. At the same time, a second limiting portion 42 is provided on the side wall of the drive assembly housing 4. The second limiting portion is a raised structure that faces the cam plate and can contact the side wall of the first limiting portion 53, thereby limiting the rotation angle of the cam plate, avoiding over-travel, and playing a role of limiting protection.

[0036] The cam-driven electric air outlet for a vehicle of the utility model is driven by a cam push rod, has a compact structure, a small size, is easy to assemble, and the motor configuration direction and the blade rotation direction do not need to be completely in the same direction, the motor arrangement is flexible, and the movement is reliable and stable; an integrated driving structure is adopted, which has a small size, is convenient and labor-saving for loading and unloading, and has a high installation precision; a limit structure is provided to prevent the cam disc from rotating over the stroke, has a limit protection function, operates reliably and stably, and has a long service life; the cam-driven electric air outlet for a vehicle of the utility model has a compact structure, a small size, high assembly precision, stable and reliable operation, and high flexibility in motor arrangement, and has a wide range of applications.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A cam-driven electric air outlet for a vehicle, It is characterized in that include: A shell, wherein two air outlets are provided on the shell, and the air outlets are strip-shaped and parallel to each other; An external air guide assembly, comprising an air guide blade rotatably mounted on the air outlet end, wherein the air guide blades are arranged equidistantly along the length direction of the air outlet end, and the ends of the air guide blades are provided with connecting rods and can realize synchronous rotation; The adjusting mechanism is installed on the side wall of the shell and is located between the two air outlet ends, and includes a push rod, a cam plate and a motor. The push rod is fixed between the two connecting rods and can make the two connecting rods move synchronously. The side wall of the push rod is provided with a lever parallel to the connecting rod, and the end of the lever is provided with a toggle part. The cam plate is installed at the output end of the motor, and its rotation axis is perpendicular to the length direction of the lever. An annular guide groove is eccentrically provided on the disc surface of the cam plate, and the toggle part is sleeved in the guide groove.

2. The cam-driven electric air outlet for a vehicle as claimed in claim 1, Features: The push rod is perpendicular to the connecting rod and is fixed on the connecting rod through a clamping groove.

3. The cam-driven electric air outlet for a vehicle as claimed in claim 1, Features: The shift rod is located at the center of the push rod.

4. The cam-driven electric air outlet for a vehicle as claimed in claim 1, Features: The end of the lever is bent 90 degrees toward the housing to form the shifting portion.

5. The cam-driven electric air outlet for a vehicle as claimed in claim 1, Features: The rotation axis of the cam plate is perpendicular to and intersects with the axis of the shifting rod.

6. The cam-driven electric air outlet for a vehicle as claimed in claim 1, Features: The cam disc comprises a disc body, a shaft body is arranged on a first end surface of the disc body, and the guide groove is arranged on a second end surface of the disc body and is eccentric to the axis of the shaft body.

7. The cam-driven electric air outlet for a vehicle as claimed in claim 6, Features: A drive assembly shell is fixed to the side wall of the shell, a drive wheel is rotatably mounted in the drive assembly shell, a sleeve hole having the same cross-sectional shape as the shaft body and capable of accommodating axial insertion of the shaft body and achieving radial limitation is opened at the end of the drive wheel, the motor is mounted in the drive assembly shell, and an output end thereof is connected to the drive wheel and can drive the drive wheel to rotate.

8. The cam-driven electric air outlet for a vehicle as claimed in claim 7, Features: The side wall of the drive assembly housing is provided with a plurality of mounting holes, and the side wall of the housing is provided with positioning shafts and mounting columns corresponding to the mounting holes, and the end of the mounting column is provided with a screw hole, and the drive assembly housing is fixed to the mounting column by bolts.

9. The cam-driven electric air outlet for a vehicle as claimed in claim 7, Features: A first limiting portion is provided at the root of the shaft body, and a second limiting portion is provided on the side wall of the driving assembly housing that can contact the first limiting portion and achieve rotation angle limitation.

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