CN112078338A - Connecting structure of primary blade and shell, hidden air conditioner air outlet, motor vehicle and air guiding method - Google Patents
Connecting structure of primary blade and shell, hidden air conditioner air outlet, motor vehicle and air guiding method Download PDFInfo
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- CN112078338A CN112078338A CN202011065586.1A CN202011065586A CN112078338A CN 112078338 A CN112078338 A CN 112078338A CN 202011065586 A CN202011065586 A CN 202011065586A CN 112078338 A CN112078338 A CN 112078338A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/34—Nozzles; Air-diffusers
- B60H1/3414—Nozzles; Air-diffusers with means for adjusting the air stream direction
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Abstract
The connecting structure of the first-stage blades and the shell comprises the shell and a plurality of first-stage blades which are arranged in the shell in a linkage manner, wherein the first-stage blades comprise first-stage upper blades which are distributed at the front end of an air outlet of the air conditioner and first-stage lower blades which are arranged behind the first-stage upper blades; the front ends of the first-stage upper blades are fixedly arranged on two sides of the shell and can rotate up and down by taking the front end fixing shaft as the center, the rear ends of the first-stage upper blades are connected with the first-stage lower blades in a vertically rotating mode, and the first-stage lower blades are pulled by the first-stage upper blades and can be connected to the top and the bottom of the shell in a front-back sliding mode by the rear ends of the first-stage upper blades. Meanwhile, the hidden air outlet of the air conditioner is disclosed, the external design of the existing air outlet blades is cancelled and is arranged in the shell, so that the material cost is favorably reduced, the damage of the protrusions is avoided, the safety is improved, and the design of a front panel is beautified; in addition, the motor vehicle is provided with a hidden air outlet.
Description
Technical Field
The invention belongs to the technical field of air conditioner air outlets, and particularly relates to a connection structure of a primary blade and a shell, a hidden air conditioner air outlet, a motor vehicle with the hidden air conditioner air outlet and an air guiding method based on the hidden air conditioner air outlet structure
Background
The air guide blades arranged at the air outlet of the existing air conditioner usually comprise horizontal blades and vertical blades, and in the process of realizing the air guide blade structure, the inventor finds that at least the following problems exist in the prior art: the horizontal blades are often arranged in a protruding mode and are partially exposed outside the shell, such as an air outlet of an existing automobile air conditioner, the horizontal blades are mostly arranged externally and are fixedly provided with a shifting button for adjusting the wind direction, and the materials of the external blades, the shifting button and the air outlet panel are high in cost; the air-conditioning air outlet structure is visible from the outside, and the appearance of the air-conditioning air outlet structure is complex, so that the requirement of concise shape of an instrument panel cannot be met.
Technical personnel in the field research and develop aiming at the technical problems and specifically disclose a hidden air outlet structure, but the air outlet structure of the technical scheme is complex, air is consumed through a long air guide channel, and the air outlet efficiency is low.
Disclosure of Invention
For solving above-mentioned technical problem, on the one hand, provide the connection structure of one-level blade and casing, be applied to air-conditioning outlet, include: the air conditioner comprises a shell and a plurality of first-stage blades which are arranged in the shell in a linkage manner, wherein the first-stage blades comprise first-stage upper blades which are distributed at the front end of an air outlet of the air conditioner and first-stage lower blades which are arranged behind the first-stage upper blades; the front ends of the first-stage upper blades are fixedly arranged on two sides of the shell and can rotate up and down by taking the front end fixing shaft as the center, the rear ends of the first-stage upper blades are connected with the first-stage lower blades in a vertically rotating mode, and the first-stage lower blades are pulled by the first-stage upper blades and can be connected to the top and the bottom of the shell in a front-back sliding mode by taking the rear ends of the first-stage upper.
Furthermore, the shell is provided with sliding grooves extending in the front-back direction at the tops and the bottoms of the two sides, the rear end of the first-stage lower blade is provided with a protruding block which is matched with the sliding grooves in shape and is slidably arranged in the sliding grooves, and the first-stage lower blade is arranged on the inner side of the shell in a front-back movement mode through the protruding block.
Furthermore, the first-stage upper blades are flat sheet bodies provided with installation shafts in an extending mode along the length direction of the blades, the shell is provided with a first shaft hole matched with the installation shafts, the installation shafts penetrate through the first shaft hole and are fixedly connected with the same connecting rod on the outer side of the shell, and the plurality of first-stage upper blades are connected into parallel blade groups capable of rotating in a coordinated mode.
Further, the connecting rod is made by soft materials, and the casing inboard still is equipped with the mounting panel of making by soft materials, and the mounting panel is equipped with the second shaft hole that interference joint installation axle and intercommunication first shaft hole.
On the other hand, the hidden air-conditioning outlet is provided with a connecting structure of a first-stage blade and a shell, a central processing unit, a control motor connected with the central processing unit and a plurality of second-stage blades in linkage arrangement are further arranged in the shell, and the second-stage blades are vertically arranged at the rear end of the air-conditioning outlet and can be installed on the shell in a left-right rotating mode.
Furthermore, the control motor comprises a first control motor and a second control motor, the first control motor correspondingly drives the first-stage upper blade to rotate up and down, the second control motor correspondingly drives the second-stage upper blade to rotate left and right, the first control motor and the second control motor are provided with a driving gear and a connector meshed with the driving gear, and the connector is respectively and correspondingly connected with the first upper blade and the second-stage upper blade in a fixed connection mode.
Furthermore, the side wall part of the connector is provided with a driven gear meshed with the driving gear, and the connector is also provided with an embedded bolt and an elastic buffer device used for offsetting the redundant stroke of the motor.
Furthermore, the front end of the air outlet of the air conditioner is provided with a front panel, the front panel is provided with an air outlet which is arranged along the length direction of the front panel in a manner of extending corresponding to the first-stage upper blade, the front end of the first-stage upper blade which is arranged at the top position is correspondingly arranged on the upper edge of the inner side of the air outlet, and the first-stage upper blade which is arranged at the bottom position is correspondingly arranged on the lower edge of the inner side of the air outlet, so that the maximum air channel width formed by the first-.
In yet another aspect, a motor vehicle is disclosed having a concealed air conditioning outlet.
In addition, simultaneously, the air guiding method based on the hidden air conditioner air outlet is disclosed, and comprises the following steps:
when the air outlet of the air conditioner needs to guide air upwards or downwards, the control motor receives a control signal of the central processing unit and drives the linked first-stage upper blade to rotate up and down around the front end fixing shaft to form a first air channel capable of adjusting the air direction up and down at the front end of the air outlet of the air conditioner, the rear end of the first-stage upper blade can rotate up and down to be connected with the front end of the first-stage lower blade and pull the rear end of the first-stage lower blade to slide back and forth at the top or the bottom of the shell, and the rear end of the first-stage lower blade corresponds to the shell to form a second air channel with gradually reduced;
when the air outlet of the air conditioner needs to be closed or the air direction is adjusted left and right, the control motor receives the control signal and drives the secondary blades which are connected in an action mode, the secondary blades are driven to rotate transversely relative to the upper shell, the air direction is adjusted through transverse rotation, and the air outlet is closed.
One of the technical solutions discloses a connection structure of a first-stage blade and a shell, which comprises a shell, a front panel and at least two first-stage blades arranged on the inner side of the shell, wherein the first-stage blades comprise a first-stage upper blade arranged at the front end of an air-conditioning air outlet and a first-stage lower blade arranged behind the first-stage upper blade, the plurality of first-stage upper blades arranged in a linkage manner can be arranged at the air-conditioning air outlet in a vertically rotating manner and used for adjusting the air outlet direction, and the first-stage lower blade can be connected to the top or the bottom of the shell in a sliding manner and is pulled by the first-stage upper blade; another technical scheme in the technical scheme discloses a hidden air-conditioning air outlet, which cancels the external design of the existing air outlet blades and is arranged in a shell, thus being beneficial to reducing the material cost, avoiding the damage of protrusions, improving the safety and beautifying the design of a front panel; in addition, a motor vehicle and an air guiding method are also disclosed, and the motor vehicle is provided with a hidden air outlet.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a connection structure of a primary blade and a casing in embodiment 1;
FIG. 2 is an enlarged view of the portion A in FIG. 1;
fig. 3 is a schematic perspective view of a hidden air outlet of an air conditioner in embodiment 2;
fig. 4 is an exploded view of the hidden air outlet of the air conditioner in embodiment 2;
FIG. 5 is a schematic view of the operation state of the control blade when the air outlet of the hidden air conditioner is horizontally discharged;
FIG. 6 is a schematic view of the operation state of the control blade when the hidden air outlet of the air conditioner discharges air downwards;
fig. 7 is a schematic view of the operation state of the control blade when the hidden air outlet of the air conditioner discharges air upwards.
Description of the main element symbols:
1: a housing; 11: a chute; 12: a first shaft hole;
2: a front panel; 21: an air outlet;
3: a first stage blade; 31: a first-stage upper blade; 311: installing a shaft; 32: a first-stage lower blade; 321: a protruding block;
4: a connecting rod;
5: mounting a plate; 51: a second shaft hole;
6: a central processing unit;
7: controlling the motor; 71: a connector; 711: a driven gear; 712: embedding bolts in advance; 713: an elastic buffer device;
8: a secondary blade;
9: a back panel.
Detailed Description
The existing air-conditioning air outlet is generally provided with horizontal air guide blades at the front end of the air outlet, and the vertical air guide blades are installed behind the horizontal air guide blades to supply air in a directional mode, wherein an automobile-mounted air conditioner is taken as a common air conditioner type, and the air conditioner is limited by the space layout in the vehicle, so that the air conditioner has the following defects in structure: 1) the horizontal air guide blades are arranged externally, the adjusting shifting buttons are arranged on the blades and protrude out of the air outlet of the air conditioner, the safety is poor, the required materials of the blades and the shifting buttons have high strength, and the cost burden is increased; 2) the horizontal air guide blade has a simple structure and a single function, and cannot gather air to supply air, so that the air outlet efficiency is influenced; 3) the air outlet of the air conditioner has a complex appearance, and cannot meet the requirement of concise modeling of an instrument panel; 4) the wind direction and the air quantity are controlled by manually adjusting the toggle button.
Based on the technical problem, the invention discloses a connection structure of a primary blade and a shell, a hidden air-conditioning outlet, a motor vehicle with the hidden air-conditioning outlet and an air guiding method based on the hidden air-conditioning outlet structure.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the embodiment of the invention discloses a connecting structure of a first-stage blade and a shell, which comprises the shell, a front panel and at least two first-stage blades, and is different from the first-stage blades of the existing air-conditioning outlet. As shown in fig. 1-2, the connection structure of the first-stage blade and the casing in this embodiment includes a casing 1 and two first-stage blades 3 disposed inside the casing, the casing 1 is a hollow cylinder and has an inner cavity, the first-stage blades 3 include a first-stage upper blade 31 disposed at the front end of the air outlet of the air conditioner and a first-stage lower blade 32 rotatably mounted behind the first-stage upper blade in a one-to-one correspondence; wherein: the two first-stage upper blades 31 are arranged in a linkage manner, the front ends of the first-stage upper blades 31 are fixed on the two side shells 1, the front end fixing shafts of the first-stage upper blades can rotate up and down, a first air channel for adjusting the air direction is formed between the two first-stage upper blades, the front ends of the first-stage lower blades 32 are connected with the first-stage upper blades 31 in a vertically rotating manner through hinges, the rear ends of the first-stage lower blades 32 are slidably connected to the top or the bottom of the shells 1 arranged on the two sides and are pulled by the first-stage upper blades 31 to slide in the shells, and a second air channel for gathering air flow and increasing the speed is formed between the.
In order to rationalize the structure and control the cost, as shown in fig. 1-2, in the embodiment of the present invention, sliding grooves 11 extending in the front-rear direction are disposed at two sides of a casing 1 corresponding to the top and the bottom of the casing, a protruding block 321 adapted to the sliding grooves 11 is disposed at the rear end of a first-stage lower blade 32 extending in the blade length direction, the protruding block 321 is slidably mounted on the sliding grooves 11, the rear end of the first-stage lower blade 32 reciprocally slides in the casing 1 corresponding to the top and the bottom of the casing through the protruding block 321, and a second-stage lower blade 32 forms an air duct having a contraction type inner diameter, the inner diameter of which gradually decreases from the rear end to the front end of an air outlet of an air conditioner.
As shown in fig. 1-2, in the present embodiment, a front panel 2 is further disposed at the front end of the air-conditioning outlet, an air outlet 21 formed in the front panel 2 extends along the length direction of the housing 1 and is horizontally disposed, two primary upper blades 31 are vertically disposed at a predetermined interval and are linked to the front end of the air-conditioning outlet and correspondingly mounted inside the air outlet 21 of the front panel, wherein the front end of the primary upper blade 31 disposed at the top position is correspondingly mounted on the upper edge of the inner side of the air outlet 21, the primary upper blade 31 disposed at the bottom position is correspondingly mounted on the lower edge of the inner side of the air outlet 21, the width of the air duct formed by the primary upper blade group is adapted to the width of the air outlet 21, after flowing through the second air duct formed by the primary lower blade 32 and the first air duct formed by the primary upper blade 31, the airflow directly flows out through the air outlet formed in a directional manner by the front panel, which is favorable, the aesthetic degree of the air outlet of the air conditioner is integrally improved.
As shown in fig. 1-2, the first-stage upper blade 31 of the present embodiment is a flat sheet body with a mounting shaft 311 extending along a length direction of the blade, the housing 1 is correspondingly provided with a first shaft hole 12 matching with the mounting shaft 311, the mounting shaft 311 passes through the first shaft hole 12, and the plurality of first-stage upper blades 31 are fixedly connected to the same connecting rod 4 at an outer side of the housing 1 through the mounting shaft and are operatively connected to form a parallel blade group capable of rotating in cooperation. In this embodiment, the connecting rod 4 is made of a soft material, the mounting plate 5 made of a soft material is further arranged on the inner side of the casing 1, the mounting plate 5 is provided with a second shaft hole 51 which is communicated with the first shaft hole 12 and is in interference clamping with the mounting shaft 311, stable mounting of the blade and the casing on the first stage is facilitated, and system operation noise is effectively reduced.
Example 2:
the embodiment of the invention discloses a hidden air-conditioning air outlet on the basis of embodiment 1, as shown in fig. 3-4, the hidden air-conditioning air outlet is provided with a connecting structure of a first-stage blade and a shell, and is further provided with a central processing unit 6, a control motor 7 and a plurality of second-stage blades 8, the second-stage blades 8 are vertically arranged at the rear part of the air-conditioning air outlet and are integrally linked and connected to the shell 1 in a left-right rotating manner, a rear panel 9 is arranged at the rear end of the air-conditioning air outlet so as to further rationalize the structure, the central processing unit 6 is connected with the control motor 7, the control motor 7 comprises a first control motor correspondingly driving the first-stage upper blade 31 to rotate up and down and a second control motor correspondingly driving the second-stage blades 8 to rotate left and right. In order to rationalize the structure and reduce the cost, the first control motor and the second control motor are provided with a drive pulley and a connector 71 engaged with the drive pulley. In other embodiments, the driving wheels and the connectors of the first control motor and the second control motor can also be friction pairs which are matched with each other.
As shown in fig. 3, the side wall portion of the connector 71 of this embodiment is provided with a driven gear 711 corresponding to the meshing of the driving gears and is engaged with the gear of the control motor through the connector, so as to realize the clutch type control of the first control motor and the second control motor on the rotation of the first-stage upper blade and the second-stage upper blade, so as to realize the precise control of the rotation angle, the connector 71 is provided with an embedded bolt 712, and an elastic buffer 713 is installed inside the connector, in this embodiment, the elastic buffer 713 is a spring, and the spring is disposed outside the embedded bolt 712, so as to offset the redundant stroke of the motor, thereby prolonging the service life of the motor. In this embodiment, the first control motor and the second control motor are controlled by the stepping motor, so that the rotation speed is high, the installation condition is loose, and the accurate position control and the noise reduction are facilitated.
Example 3:
the embodiment of the invention discloses a motor vehicle on the basis of the embodiment 2, and the motor vehicle is provided with a hidden air conditioner air outlet.
Example 4:
as shown in fig. 5 to 7, an embodiment of the present invention discloses a wind guiding method for a hidden air conditioner air outlet structure, which includes the following steps:
when the air outlet of the air conditioner needs to guide air upwards or downwards, the control motor receives a control signal of the central processing unit and drives the linked first-stage upper blade 31 to rotate up and down around the front end fixed shaft, so that a first air channel capable of adjusting the air direction up and down is formed at the front end of the air outlet of the air conditioner, the rear end of the first-stage upper blade 31 can rotate up and down to be connected with the front end of the first-stage lower blade 32 and pull the rear end of the first-stage lower blade 32 to slide back and forth at the top or the bottom of the shell 1, and a second air channel with the gradually reduced inner diameter is formed at the rear end of the first-;
when the air outlet of the air conditioner needs to be closed or the air direction is adjusted left and right, the control motor receives the control signal and drives the two-stage blades 8 which are connected in an action manner, the two-stage blades are driven to rotate transversely relative to the shell 1, the air direction is adjusted through transverse rotation, and the air outlet is closed.
The above detailed description is made on the connection structure of the first-stage blade and the casing, the hidden air-conditioning outlet, the motor vehicle and the wind guiding method, and a specific example is applied in the description to explain the principle and the implementation of the invention, and the description of the above embodiment is only used to help understand the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea and method of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. Connection structure of one-level blade and casing is applied to air conditioner air outlet, its characterized in that includes: the air conditioner comprises a shell and a plurality of first-stage blades which are arranged in the shell in a linkage manner, wherein the first-stage blades comprise first-stage upper blades which are distributed at the front end of an air outlet of the air conditioner and first-stage lower blades which are arranged behind the first-stage upper blades; the front ends of the first-stage upper blades are fixedly arranged on two sides of the shell and can rotate up and down by taking the front end fixing shaft as the center, the rear ends of the first-stage upper blades are connected with the first-stage lower blades in a vertically rotating mode, and the first-stage lower blades are pulled by the first-stage upper blades and can be connected to the top and the bottom of the shell in a front-back sliding mode by taking the rear ends of the first-stage upper.
2. The primary blade-casing coupling structure of claim 1, wherein the casing has sliding grooves extending in the front-rear direction at the top and bottom of both sides, the rear end of the primary lower blade has a protrusion block shaped to fit the sliding grooves and slidably fitted in the sliding grooves, and the primary lower blade is disposed to move back and forth inside the casing via the protrusion block.
3. The primary blade and casing connecting structure as claimed in claim 1, wherein the primary upper blade is a flat sheet body with an installation shaft extending along the length direction of the blade, the casing is provided with a first shaft hole matching with the installation shaft, the installation shaft passes through the first shaft hole and is fixedly connected with a same connecting rod on the outer side of the casing, and the plurality of primary upper blades are operatively connected to form a parallel blade group capable of rotating in coordination.
4. The primary blade and casing connection structure of claim 3, wherein the connecting rod is made of soft material, and a mounting plate made of soft material is further disposed inside the casing, and the mounting plate is provided with a second shaft hole which is in interference fit with the mounting shaft and is communicated with the first shaft hole.
5. A hidden air-conditioning outlet is characterized in that the hidden air-conditioning outlet is provided with a connecting structure of a primary blade and a shell as claimed in any one of claims 1 to 4, a central processing unit, a control motor connected with the central processing unit and a plurality of secondary blades in linkage arrangement are further arranged in the shell, and the secondary blades are vertically arranged at the rear end of the air-conditioning outlet and can be installed on the shell in a left-right rotating mode.
6. The hidden air outlet according to claim 5, wherein the control motor comprises a first control motor for driving the first-stage upper blade to rotate up and down and a second control motor for driving the second-stage upper blade to rotate left and right, the first control motor and the second control motor are provided with a driving gear and a connector engaged with the driving gear, and the connectors are respectively and fixedly connected to the first upper blade and the second upper blade.
7. The hidden air outlet according to claim 6, wherein the side wall of the connector is provided with a driven gear engaging with the driving gear, and the connector is further provided with a pre-embedded bolt and an elastic buffer device for counteracting the excessive stroke of the motor.
8. The hidden air outlet according to claim 5, wherein a front panel is disposed at a front end of the air outlet, the front panel has an outlet hole extending along a length direction of the front panel corresponding to the first-stage upper blade, a front end of the top-stage upper blade is correspondingly disposed at an upper inner edge of the outlet hole, and a front end of the bottom-stage upper blade is correspondingly disposed at a lower inner edge of the outlet hole, so that a maximum air duct width formed by the first-stage upper blade is adapted to a width of the outlet hole.
9. A motor vehicle, characterized in that it has a concealed air outlet according to any one of claims 5 to 8.
10. The air guiding method of the hidden air conditioner air outlet according to any one of claims 5 to 8, comprising the following steps:
when the air outlet of the air conditioner needs to guide air upwards or downwards, the control motor receives a control signal of the central processing unit and drives the linked first-stage upper blade to rotate up and down around the front end fixing shaft so as to form a first air channel capable of adjusting the air direction up and down at the front end of the air outlet of the air conditioner, the rear end of the first-stage upper blade can rotate up and down to be connected with the front end of the first-stage lower blade and pull the rear end of the first-stage lower blade to slide back and forth at the top or the bottom of the shell, and the rear end of the first-stage lower blade corresponds to the shell to form a second air channel with the inner diameter gradually;
when the air outlet of the air conditioner needs to be closed or the air direction is adjusted left and right, the control motor receives the control signal and drives the two-stage blades which are connected in an action mode, the two-stage blades are driven to rotate transversely relative to the upper shell, the air direction is adjusted through transverse rotation, and the air outlet is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011065586.1A CN112078338A (en) | 2020-09-30 | 2020-09-30 | Connecting structure of primary blade and shell, hidden air conditioner air outlet, motor vehicle and air guiding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011065586.1A CN112078338A (en) | 2020-09-30 | 2020-09-30 | Connecting structure of primary blade and shell, hidden air conditioner air outlet, motor vehicle and air guiding method |
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| Publication Number | Publication Date |
|---|---|
| CN112078338A true CN112078338A (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011065586.1A Pending CN112078338A (en) | 2020-09-30 | 2020-09-30 | Connecting structure of primary blade and shell, hidden air conditioner air outlet, motor vehicle and air guiding method |
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| CN (1) | CN112078338A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721576A (en) * | 2021-01-13 | 2021-04-30 | 滁州舜宇模具有限责任公司 | Automobile air conditioner air outlet and transmission mechanism of blades thereof |
| CN113650482A (en) * | 2021-08-26 | 2021-11-16 | 岚图汽车科技有限公司 | Air outlet structure of double-layer hidden type blade |
-
2020
- 2020-09-30 CN CN202011065586.1A patent/CN112078338A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721576A (en) * | 2021-01-13 | 2021-04-30 | 滁州舜宇模具有限责任公司 | Automobile air conditioner air outlet and transmission mechanism of blades thereof |
| CN113650482A (en) * | 2021-08-26 | 2021-11-16 | 岚图汽车科技有限公司 | Air outlet structure of double-layer hidden type blade |
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