CN114013249A

CN114013249A - Vehicle-mounted air conditioner air outlet adjusting device

Info

Publication number: CN114013249A
Application number: CN202111545947.7A
Authority: CN
Inventors: 汶博; 颜磊; 石涛
Original assignee: Ningbo Jifeng Auto Parts Co Ltd
Current assignee: Ningbo Jifeng Auto Parts Co Ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-02-08

Abstract

The invention relates to the technical field of vehicle-mounted parts, and provides a vehicle-mounted air conditioner air outlet adjusting device, which comprises: the air conditioner comprises an outer shell and an inner shell, wherein two side air outlet channels are formed on the side wall of the inner shell and the inner wall of the outer shell, and a middle air outlet channel is formed in the middle of the inner shell; the wind direction adjusting mechanism is arranged in the inner shell and is provided with a plurality of swinging blocks, and each swinging block is rotatably arranged on the middle wind outlet channel; the air door adjusting mechanism is symmetrically provided with two air door plates, and the two air door plates are rotatably arranged on two sides of the lower part of the inner shell; the upper cover is provided with a plurality of through holes in a matrix distribution mode. Compared with the prior art, the adjusting device has the advantages that the air door plate rotates through the mutual matching of the first motor, the moving block and the universal joint, so that the opening and closing of the middle air outlet channel and the two side air outlet channels of the adjusting device are controlled, and the purpose of non-inductive air blowing is achieved through the through holes formed in the upper cover.

Description

Vehicle-mounted air conditioner air outlet adjusting device

Technical Field

The invention relates to the technical field of vehicle-mounted parts, in particular to a vehicle-mounted air conditioner air outlet adjusting device.

Background

The vehicle-mounted air duct adjusting device is a device which is installed on an automobile and used for adjusting an air outlet of a vehicle-mounted air conditioner, and is generally arranged at the rear sides of a center console and a front row seat, and as disclosed in a published Chinese invention patent (application publication number: CN113085491A), the vehicle-mounted air duct adjusting device and the automobile comprise: the air conditioner comprises a shell, a first air outlet and a second air outlet, wherein the shell is provided with a first air outlet and a second air outlet which are formed on two sides of the upper end of the shell; the front air door mechanism is arranged at the upper half part of the shell and can control the air outlet directions of the first air outlet port and the second air outlet port; and the rear air door mechanism is arranged on the lower half part of the shell and can be used for controlling the opening and closing of the first air outlet port and the second air outlet port. Compared with the prior art, the novel mechanism has the advantages that the step motor is adopted to drive the fully-hidden type blades to realize the air-conditioning wind sweeping function, the novel mechanism improves the attractiveness of the interior trim of the vehicle, eliminates an operation part of a conventional air port, solves the problem of a projection, reduces the action of a passenger needing to manually adjust the air conditioner, improves the comfort and safety of the passenger, and improves the use reliability.

However, the air outlet adjusting device can only adjust the opening and closing of the first air outlet and the second air outlet and the directional blowing of the first air outlet and the second air outlet, and the air blown out from the two air outlets cannot be blown in a non-sensible manner.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a vehicle-mounted air conditioner air outlet adjusting device.

The technical scheme adopted by the invention for solving the technical problems is as follows: the vehicle-mounted air conditioner air outlet adjusting device comprises:

the upper end and the lower end of the inner shell are both provided with an outer shell and an inner shell with openings, the inner shell is detachably connected inside the outer shell, two side air outlet channels are formed on the side wall of the inner shell and the inner wall of the outer shell, a middle air outlet channel is formed in the middle of the inner shell, and the middle air outlet channel and the two side air outlet channels are both communicated with the lower end opening of the outer shell;

the wind direction adjusting mechanism is arranged in the inner shell, a plurality of swinging blocks are arranged on the wind direction adjusting mechanism, each swinging block is rotatably arranged on the middle wind outlet channel, and the wind outlet direction of the middle wind outlet channel can be controlled when the swinging blocks are rotated;

the air door adjusting mechanism is symmetrically provided with two air door plates, the two air door plates are rotatably arranged on two sides of the lower part of the inner shell, and the lower ends of the two air door plates are movably abutted against the inner side wall of the outer shell;

the upper cover is detachably arranged on the outer shell and positioned at the upper ends of the two side air outlet channels, and a plurality of through holes are distributed on the upper cover in a matrix manner;

when the lower ends of the two air door plates are abutted against the inner wall of the outer shell, the two side air outlet channels are closed and the middle air outlet channel is opened;

when the lower ends of the two air door plates are mutually abutted, the two side air outlet channels are opened, and the middle air outlet channel is closed.

At foretell vehicle-mounted air conditioner air outlet adjusting device, air door adjustment mechanism still includes: rotate to be connected two dwangs and drive on the interior casing the first driving piece of dwang, every all be equipped with first convex tooth piece, every on the radial direction of dwang the inside wall of wind door plant all is equipped with the convex tooth piece of second, the convex tooth piece of second with first convex tooth piece intermeshing.

In the above vehicle-mounted air conditioner outlet adjusting device, the first driving member includes: the first motor is arranged on the outer side wall of the outer shell, and the output end of the first motor is provided with a driving wheel;

the moving block is movably arranged on the outer shell and positioned on the side of the first motor, a first gear rack meshed with the driving wheel is arranged on one side, close to the first motor, of the moving block, an arc-shaped slide way penetrating through the moving block in the thickness direction is arranged at the lower part of the moving block, a sliding block is arranged at one end of one rotating rod, and the sliding block is arranged in the arc-shaped slide way in a sliding mode;

the universal joint, its rotatable setting is in on the interior casing, the lower part of universal joint is equipped with ring gear, two one side that the dwang is relative all is equipped with third circular arc shape tooth piece, two third circular arc shape tooth piece all with ring gear intermeshing.

At foretell vehicle-mounted air conditioner air outlet adjusting device, wind direction adjustment mechanism still includes:

two fixed rods arranged on the inner side wall of the inner shell, wherein two sides of each swinging block are rotatably connected to the two fixed rods;

the same side of the lower part of each swinging block is provided with a driving block, and each driving block is connected through a first connecting rod;

the second driving piece is arranged on the outer shell and connected to one of the swinging blocks, and the second driving piece can drive the swinging block to rotate on the fixed rod.

In the above vehicle-mounted air conditioner outlet adjusting device, the second driving member includes: a second motor;

one end of the rotating shaft is provided with a buckle, one of the swinging blocks is provided with a clamping groove, and the buckle is clamped in the clamping groove;

the rotating block is vertically connected to the other end of the rotating shaft, a swinging groove penetrating through the rotating block in the thickness direction is formed in the rotating block, a swinging rod is arranged at the output end of the second motor in a rotating mode, and the side wall of the swinging rod is movably abutted to the inner wall of the swinging groove.

At foretell vehicle-mounted air conditioner air outlet adjusting device, wind direction adjustment mechanism still including rotate to be connected just set up on the interior casing a plurality of swing board of swing piece top, every the swing board all connects through the second connecting rod, one of them the one end of swing board is equipped with the convex tooth piece of fourth, rotate on the shell body and be equipped with the first gear and the second gear of two coaxial settings, first gear with the convex tooth piece intermeshing of fourth, the movable block is kept away from one side of first motor is equipped with the second rack, the second rack with second gear intermeshing.

In the vehicle-mounted air conditioner air outlet adjusting device, the moving block is further provided with a vertical slideway communicated with the arc slideway.

In the vehicle-mounted air conditioner air outlet adjusting device, the moving block is provided with a guide groove, the guide groove is arranged between the first gear rack and the second gear rack, the shell is provided with a guide block, and the guide block and the guide groove are slidably abutted.

The vehicle-mounted air conditioner air outlet adjusting device further comprises a decorative plate, and the decorative plate is rotatably arranged at the upper end of the upper cover.

Compared with the prior art, the air conditioner has the advantages that the air door plate rotates through the mutual matching of the first motor, the moving block and the universal joint, so that the opening and closing of the middle air outlet channel and the two side air outlet channels of the adjusting device are controlled, cold and hot air flow blown out from the vehicle-mounted air conditioner is uniformly distributed from the two side air outlet channels through the through holes formed in the upper cover, and the purpose of non-inductive air blowing is achieved.

Drawings

FIG. 1 is a perspective view of an air outlet adjusting device of a vehicle air conditioner of the present invention;

FIG. 2 is a partial cross-sectional view of FIG. 1;

fig. 3 is a sectional view when the middle exhaust duct is opened;

FIG. 4 is a cross-sectional view of the air outlet channels at two sides when opened;

FIG. 5 is a perspective view of the damper adjustment mechanism in connection with the damper panel;

fig. 6 is a perspective view of the two swivelling levers when connected;

figure 7 is a perspective view of the moving block;

FIG. 8 is a perspective view showing a partial structure of a wind direction adjusting mechanism;

FIG. 9 is a perspective view of the swing block, the first driving member and the fixing lever when connected;

FIG. 10 is a perspective view of the swing block as mounted with the first link;

FIG. 11 is a perspective view of the shaft coupled to the rotating block;

FIG. 12 is a perspective view of the upper cover;

in the figure, 100, the outer shell; 110. a side air outlet channel; 120. a first gear; 130. a second gear; 140. a guide block; 200. an inner housing; 210. a middle air outlet channel; 300. a wind direction adjusting mechanism; 310. a swing block; 311. driving the block; 312. a card slot; 320. fixing the rod; 330. a first link; 340. a second motor; 341. a swing rod; 350. a rotating shaft; 351. buckling; 360. rotating the block; 361. a swing groove; 370. a swing plate; 371. a fourth arc-shaped tooth block; 380. a second link; 400. a damper adjustment mechanism; 410. a wind door panel; 411. a second circular arc-shaped tooth block; 420. rotating the rod; 421. a first circular arc-shaped tooth block; 422. a slider; 423. a third arc-shaped tooth block; 430. a first motor; 431. a driving wheel; 440. a moving block; 441. a first gear rack; 442. a second gear rack; 443. a circular arc-shaped slideway; 444. a vertical slideway; 445. a guide groove; 450. a universal joint; 451. a ring gear; 500. an upper cover; 510. a through hole; 600. a decorative panel.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, an air outlet adjusting device for a vehicle air conditioner according to the present invention includes: an outer case 100, an inner case 200, a wind direction adjusting mechanism 300, a damper adjusting mechanism 400, and an upper cover 500.

Specifically, openings are formed at the upper end and the lower end of the outer shell 100 and the inner shell 200, the lower end opening of the outer shell 100 is used for being connected with a vehicle-mounted air conditioner, the upper end opening of the outer shell 100 faces the inside of a carriage, the inner shell 200 is detachably connected inside the outer shell 100, the detachable connection between the inner shell 200 and the outer shell 100 can facilitate the dismounting of the adjusting device, two side air outlet channels 110 are formed by the side wall of the inner shell 200 and the inner wall of the outer shell 100, a middle air outlet channel 210 is formed in the middle of the inner shell 200, and the middle air outlet channel 210 and the two side air outlet channels 110 are both communicated with the lower end opening of the outer shell 100; the wind direction adjusting mechanism 300 is arranged in the inner shell 200, the wind direction adjusting mechanism 300 is provided with a plurality of swinging blocks 310, each swinging block 310 is rotatably arranged on the middle wind outlet channel 210, and the wind outlet direction of the middle wind outlet channel 210 can be controlled when the swinging blocks 310 are rotated, so that the purpose of directional wind blowing is achieved; the air door adjusting mechanism 400 is characterized in that two air door plates 410 are symmetrically arranged on the air door adjusting mechanism 400, the two air door plates 410 are rotatably arranged on two sides of the lower part of the inner shell 200, and the lower ends of the two air door plates 410 are movably abutted against the inner side wall of the outer shell 100; the upper cover 500, the upper cover 500 is detachably disposed on the outer casing 100 and is located at the upper end of the two lateral air outlet channels 110, and a plurality of through holes 510 are distributed on the upper cover 500 in a matrix manner.

When the adjusting device is used, wind blown out from the vehicle-mounted air conditioner enters the adjusting device from an opening at the lower end of the outer shell 100, and then the trend of the wind is controlled through the air door adjusting mechanism 400, specifically as shown in fig. 3, when the lower ends of two air door plates 410 are abutted against the inner wall of the outer shell 100, the side wind outlet channel 110 is closed and the middle wind outlet channel 210 is opened, the wind blown out from the vehicle-mounted air conditioner is blown into a carriage through the middle wind outlet channel 210, and the wind direction adjusting mechanism 300 controls the wind outlet direction of the middle wind outlet channel 210 by driving the swinging block 310 arranged on the wind direction adjusting mechanism, so that the purpose of directional wind blowing is achieved; as shown in fig. 4, when the lower ends of the two air door panels 410 rotate to abut against each other, the two side air outlet channels 110 are opened and the middle air outlet channel 210 is closed, the air blown out from the vehicle air conditioner blows into the two side air outlet channels 110, and finally the air is uniformly blown into the compartment through the through holes 510 arranged in a matrix on the upper cover 500, so that the effect of blowing without feeling is achieved.

As shown in fig. 2, 5 and 6, the damper adjustment mechanism 400 further includes: two dwang 420 and the first driving piece of drive dwang 420 of rotating the connection on interior casing 200 all are equipped with first circular arc tooth piece 421 in every dwang 420's the radial direction, and the inside wall of every wind door plant 410 all is equipped with second circular arc tooth piece 411, second circular arc tooth piece 411 and first circular arc tooth piece 421 intermeshing.

During the use, two dwang 420 rotations are driven to first driving piece, and when two dwang 420 rotated, drive two wind door plant 410 and rotate in outer casing 100 through the second convex tooth piece 411 with the first convex tooth piece 421 intermeshing that sets up on it respectively, and when two wind door plant 410 rotated, the different positions that are in outer casing 100 through its lower extreme changed middle air-out passageway 210 and two lateral part air-out passageways 110 open and close.

Specifically, the first driving member includes: a first motor 430 disposed on an outer sidewall of the outer case 100, an output end of the first motor 430 being provided with a driving wheel 431; a moving block 440 movably disposed on the outer housing 100 and located at a side of the first motor 430, wherein a first gear rack 441 engaged with the driving wheel 431 is disposed at a side of the moving block 440 close to the first motor 430, an arc-shaped slideway 443 penetrating through the moving block 440 in a thickness direction is disposed at a lower portion of the moving block 440, a sliding block 422 is disposed at one end of one of the rotating rods 420, and the sliding block 422 is slidably disposed in the arc-shaped slideway 443; the universal joint 450 is rotatably disposed on the inner housing 200, a ring gear 451 is disposed at a lower portion of the universal joint 450, third arc-shaped tooth blocks 423 are disposed at opposite sides of the two rotating rods 420, and the two third arc-shaped tooth blocks 423 are engaged with the ring gear 451.

As shown in fig. 5, when the first motor 430 drives the driving wheel 431 to rotate in the counterclockwise direction of the illustrated direction, the moving block 440 moves downward under the driving of the first gear rack 441 engaged with the driving wheel 431, when the moving block 440 moves downward, the moving block 422 is driven by the circular arc slideway 443 to move leftward in the circular arc slideway 443, when the moving block 422 moves, the rotating rod 420 on the right side of the illustration is driven to rotate counterclockwise, when the rotating rod 420 on the right side rotates, the air door panel 410 on the right side of the illustration is driven to rotate toward the middle position of the two air door panels 410 by the first circular arc toothed block 421 and the second circular arc toothed block 411 engaged with each other, and simultaneously, when the rotating rod 420 on the right side rotates, the universal joint 450 is driven to rotate by the third circular arc toothed block 423 and the ring gear 451 provided on the rotating rod 420 on the left side of the illustration, and when the universal joint 450 rotates, the third circular arc toothed block 423 on the rotating rod 420 on the left side of the illustration can drive the rotating rod 420 to rotate the rotating rod 420 on the left side to rotate the left side of the illustration to rotate the rotating rod 420 to rotate together with the rotating rod 420 When the rotating rod 420 on the left side of the figure rotates, the first arc-shaped tooth block 421 arranged on the rotating rod and the second arc-shaped tooth block 411 arranged on the wind gate plate 410 on the left side of the figure drive the wind gate plate 410 on the left side of the figure to rotate towards the middle position of the two wind gate plates 410, and when the lower ends of the two wind gate plates 410 abut against each other, the first motor 430 stops driving the driving wheel 431 to rotate, and at this time, the adjusting device of the invention is in the state shown in fig. 4, that is, the middle wind outlet channel 210 is closed and the two side wind outlet channels 110 are opened.

When the side air outlet channel 110 needs to be opened, only the first motor 430 needs to be rotated in the reverse direction, and the rotation directions of other components are opposite to the above process, which is not described herein again.

As shown in fig. 2, 9 and 10, the wind direction adjustment mechanism 300 further includes: two fixing bars 320 disposed on the inner sidewall of the inner case 200, both sides of each swing block 310 being rotatably connected to the two fixing bars 320; the same side of the lower part of each swinging block 310 is provided with a driving block 311, and each driving block 311 is connected through the first connecting rod 330; and a second driving member disposed on the outer casing 100 and connected to one of the swing blocks 310, wherein the second driving member can drive the swing block 310 to rotate on the fixing rod 320.

When the directional blowing fan is used, the second driving piece drives one of the swing blocks 310 to swing on the fixed rod 320, and since one side of each swing block 310 is connected together through the first connecting rod 330, when one swing block 310 rotates, all the swing blocks 310 can be driven to rotate, and when the swing blocks 310 rotate, the air outlet direction of the middle air outlet channel 210 can be changed, so that the directional blowing purpose is achieved.

Specifically, as shown in fig. 9 and 11, the second driving member includes: a second motor 340; the swing device comprises a rotating shaft 350, wherein one end of the rotating shaft 350 is provided with a buckle 351, one of the swing blocks 310 is provided with a clamping groove 312, the buckle 351 is clamped in the clamping groove 312, and the connection relationship between the swing rod 341 and the swing block 310 can be simplified by the buckle 351 arranged at one end of the rotating shaft 350 and the clamping groove 312 arranged on the swing block 310; the rotating block 360 is vertically connected to the other end of the rotating shaft 350, a swinging groove 361 penetrating through the rotating block 360 in the thickness direction is formed in the rotating block 360, a swinging rod 341 is rotatably arranged at the output end of the second motor 340, and the side wall of the swinging rod 341 is movably abutted against the inner wall of the swinging groove 361.

During the use, second motor 340 drives pendulum rod 341 and rotates, thereby pendulum rod 341's lateral wall promotes the inner wall of swing groove 361 and drives the turning block 360 and rotate when pendulum rod 341 rotates, and with the setting of the turning block 360 of pivot 350 mutually perpendicular, certain distance can be separated between the axis direction of the output of second motor 340 and pivot 350 to make the light drive pivot 350 that second motor 340 can be more rotate.

As shown in fig. 2, 7 and 8, the wind direction adjusting mechanism 300 further includes a plurality of swing plates 370 rotatably connected to the inner housing 200 and disposed above the swing block 310, each swing plate 370 is connected through a second connecting rod 380, one end of one swing plate 370 is provided with a fourth circular arc-shaped tooth block 371, the outer housing 100 is rotatably provided with two first gears 120 and second gears 130 coaxially disposed, the first gears 120 and the fourth circular arc-shaped tooth block 371 are engaged with each other, one side of the moving block 440 away from the first motor 430 is provided with a second gear rack 442, and the second gear rack 442 and the second gear 130 are engaged with each other.

When the first motor 430 drives the moving block 440 to move, the first gear 120 is driven to rotate by the second gear rack 442 and the second gear 130 meshed with the second gear rack 442, when the first gear 120 rotates, the fourth circular arc-shaped tooth block 371 meshed with the first gear rack is driven to rotate, when the fourth circular arc-shaped tooth block 371 rotates, the swinging plates 370 are driven to rotate, because each swinging plate 370 is connected by the second connecting rod 380, when the fourth circular arc-shaped tooth block 371 drives one of the swinging plates 370 to rotate, all the swinging plates 370 can rotate on the inner housing 200, and when the swinging plates 370 rotate, the air outlet direction of the middle air outlet channel 210 can be changed along the left-right direction in fig. 2, so that the purpose of directional blowing is achieved.

As shown in fig. 5, 7 and 8, the moving block 440 is further provided with a vertical slideway 444 communicated with the circular-arc slideway 443.

When the first motor 430 drives the sliding block 422 to move from the arc-shaped sliding channel 443 to the vertical sliding channel 444 and continuously drives the moving block 440 to move, because the sliding block 422 is also in the vertical state right now, the rotating rod 420 can not rotate when the moving block 440 continuously moves, and the second gear 130 still drives the first gear 120 to rotate under the driving of the second gear rack 442, and the first gear 120 drives the swing plate 370 to rotate through the fourth arc-shaped tooth block 371 when rotating, so that the wind direction blown out from the middle air outlet channel 210 is adjusted, and finally the purpose of directional blowing is achieved.

As shown in fig. 1, 7 and 8, the moving block 440 is provided with a guide groove 445, the guide groove 445 is provided between the first gear rack 441 and the second gear rack 442, the outer housing 100 is provided with a guide block 140, the guide block 140 slidably abuts against the guide groove 445, and the guide block 140 and the guide groove 445 are provided so that the moving direction of the moving block 440 can be always kept the same as the longitudinal direction of the moving block 440.

The adjusting device of the present invention further includes a decorative plate 600, the decorative plate 600 is rotatably disposed at the upper end of the upper cover 500, as shown in fig. 1, when the middle air outlet channel 210 is opened and the two side air outlet channels 110 are closed, the decorative plate 600 rotates to the upper cover 500 to shield the through hole 510 on the upper cover 500, so that the whole adjusting mechanism is more beautiful, as shown in fig. 4, when the middle air outlet channel 210 is closed and the two side air outlet channels 110 are opened, the rotating plate rotates to the two sides of the outer casing 100, and the air is blown out from the through hole 510 on the upper cover 500.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the invention as defined by the accompanying claims.

Claims

1. The utility model provides a vehicle-mounted air conditioner air outlet adjusting device which characterized in that includes:

2. The on-board air conditioning outlet adjustment device of claim 1, wherein the damper adjustment mechanism further comprises: rotate to be connected two dwangs and drive on the interior casing the first driving piece of dwang, every all be equipped with first convex tooth piece, every on the radial direction of dwang the inside wall of wind door plant all is equipped with the convex tooth piece of second, the convex tooth piece of second with first convex tooth piece intermeshing.

3. The on-board air conditioning outlet adjustment device of claim 2, wherein the first driving member comprises: the first motor is arranged on the outer side wall of the outer shell, and the output end of the first motor is provided with a driving wheel;

4. The air outlet adjusting device for the vehicle air conditioner as claimed in claim 1, wherein the air direction adjusting mechanism further comprises:

5. The on-board air conditioning outlet adjustment device of claim 4, wherein the second driving member comprises: a second motor;

6. The air outlet adjusting device of claim 3, wherein the air direction adjusting mechanism further comprises a plurality of swing plates rotatably connected to the inner housing and disposed above the swing blocks, each of the swing plates is connected via a second connecting rod, one end of one of the swing plates is provided with a fourth circular arc-shaped tooth block, the outer housing is rotatably provided with two first and second gears coaxially disposed, the first and fourth circular arc-shaped tooth blocks are engaged with each other, one side of the moving block away from the first motor is provided with a second gear rack, and the second gear rack is engaged with the second gear rack.

7. The air outlet adjusting device for the vehicle-mounted air conditioner as claimed in claim 6, wherein a vertical slideway communicated with the arc slideway is further arranged on the moving block.

8. The air outlet adjusting device for the vehicle-mounted air conditioner as claimed in claim 7, wherein a guide groove is formed in the moving block, the guide groove is formed between the first gear rack and the second gear rack, a guide block is arranged on the outer shell, and the guide block is in sliding contact with the guide groove.

9. The air outlet adjusting device for the vehicle air conditioner as claimed in claim 1, further comprising a decorative plate rotatably disposed at an upper end of the upper cover.