CN218477397U - Air outlet mode switching structure of automobile air conditioning box - Google Patents
Air outlet mode switching structure of automobile air conditioning box Download PDFInfo
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- CN218477397U CN218477397U CN202223191883.8U CN202223191883U CN218477397U CN 218477397 U CN218477397 U CN 218477397U CN 202223191883 U CN202223191883 U CN 202223191883U CN 218477397 U CN218477397 U CN 218477397U
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Abstract
The utility model discloses a vehicle air conditioner case air-out mode switches structure, on the air door driver plate of air conditioner case, the orbit groove section that is the V-arrangement has in the orbit groove that the defrosting air door corresponds, and is located the face of blowing and blows between the position node that the foot mode corresponds and the position node that the foot mode corresponds, the driving lever that the defrosting air door corresponds passes through the orbit groove section that is the V-arrangement can drive the defrosting air door and accomplish switching. When the air door drive plate rotates, the air conditioner box is switched to the in-process of the foot blowing mode by the foot blowing mode, the defrosting air door is opened firstly and then is closed, namely, the defrosting air door is opened temporarily for pressure relief, and high-speed airflow is formed between narrow and small gaps when the foot blowing air door is closed, so that vortex whistle is avoided, the service life of the automobile air conditioner box can be effectively prolonged, and the use experience of a user is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of vehicle air conditioner, concretely relates to vehicle air conditioner case air-out mode switches structure.
Background
The automobile air conditioner is a device for refrigerating, heating, ventilating and purifying air in an automobile cabin, can provide comfortable riding environment for passengers, reduces the fatigue strength of drivers and improves the driving safety. As shown in fig. 1 and 2, an air conditioning cabinet 1 of the automobile air conditioner is provided with three air ports, namely a face blowing air port 2, a defrosting air port 3 and a foot blowing air port 4, wherein a face blowing air door 5, a defrosting air door 6 and a foot blowing air door 7 are respectively arranged in air channels corresponding to the three air ports, and the three air doors are driven by a driving structure to rotate to switch the corresponding air channels into ventilation, semi-ventilation and choke states, so that the automobile air conditioner forms five different air outlet modes, namely a face blowing mode, a face blowing foot blowing mode, a foot blowing defrosting mode and a defrosting mode.
In order to realize synchronous driving of three air doors, improve the stability of air outlet mode switching and reduce the space and cost occupied by a driving structure, the applicant adopts an automobile air conditioner air door movement mechanism disclosed in chinese patent CN201935343U, as shown in fig. 2 and 3, one end of each of the three air doors is rotatably connected with the inner wall of the air conditioner box 1, the other end is provided with an air door dial 8 perpendicular to the air door rotation axis, the air door dial 8 is rotatably arranged in the air conditioner box 1 and is driven by a motor or other power sources, three track grooves 9 smoothly extending along the circumferential direction of the air door dial 8 are arranged on the surface of the air door dial 8 facing each air door, the three track grooves 9 correspond to the three air doors one by one, each track groove 9 has five position nodes uniformly distributed along the circumferential direction of the air door dial 8 and corresponds to the five air outlet modes, and the distance between the five position nodes of the same track groove 9 and the rotation center of the air door dial 8 has at least three values to correspond to ventilation, half ventilation and choke states; all be equipped with connecting rod 10 between each air door and the corresponding orbit groove 9, the one end of connecting rod 10 has the driving lever towards 8 archs of air door driver plate and extend to corresponding orbit inslot 9, driving lever and orbit groove 9 sliding fit, the other end of connecting rod 10 is connected with the tip transmission that corresponds the air door, 8 rotations of air door driver plate make three driving lever slide in corresponding orbit inslot 9 in step, make the driving lever change apart from the distance of 8 centre of rotation of air door driver plate, it rotates to correspond connecting rod 10 and drive and corresponds the air door and rotate, thereby switch vehicle air conditioner's air-out mode.
In order to ensure the use experience of a user, the switching speed of the air outlet mode is high and is generally 4-5 s; when blowing the foot mode by blowing the face and switching to when blowing the foot mode, when blowing the face air door and close completely promptly, blow the foot air door and open completely, because it is comparatively long and narrow to blow the foot wind channel, the flow field pressure loss that blows the foot mode is greater than and blows the foot mode by blowing the face, consequently in the twinkling of an eye that blows the face air door and close, the amount of wind inertia that comes from the air-blower can lead to the pressure rising in the flow field, form high-speed air current between the narrow and small gap when blowing the face air door and close easily, not only can produce the vortex whistle, make vehicle air conditioner produce the abnormal sound when switching the air-out mode, can influence the life who blows face air door and relevant structure simultaneously, seriously influence user's use experience.
Therefore, it is necessary to design a switching structure of the air outlet mode of the air conditioning box of the vehicle, which can eliminate the whistle generated when the foot blowing mode is switched from the face blowing mode to the foot blowing mode, so as to improve the service life of the air conditioning box of the vehicle and the user experience.
Disclosure of Invention
An above-mentioned not enough to prior art, the utility model aims to provide a vehicle air conditioner case air-out mode switches structure solves present vehicle air conditioner case and blows the foot mode by blowing the face and switch to the technical problem who blows the foot mode and produce the whistle easily, gains high vehicle air conditioner case life and user and uses the effect of experiencing.
In order to solve the technical problem, the utility model adopts the following technical scheme:
an air outlet mode switching structure of an automobile air conditioning box comprises an air conditioning box, wherein the air conditioning box is provided with a face blowing air port, a defrosting air port and a foot blowing air port, a face blowing air door, a defrosting air door and a foot blowing air door are respectively arranged in an air duct corresponding to each air port, one end of each air door is rotatably connected with the inner wall of the air conditioning box, the other end of each air door is provided with an air door drive plate perpendicular to the rotation axis of each air door, the air door drive plate is rotatably arranged in the air conditioning box, three track grooves which smoothly extend along the circumferential direction of the air door drive plate are formed in the face, facing each air door, of the air door drive plate, the three track grooves correspond to the three air doors one by one, and each track groove is provided with five position nodes which are uniformly distributed along the circumferential direction of the air door drive plate; a connecting rod is arranged between each air door and the corresponding track groove, one end of each connecting rod is provided with a shifting rod which is protruded towards the air door driving plate and extends into the corresponding track groove, the shifting rod is in sliding fit with the track groove, and the other end of each connecting rod is in transmission connection with the end part of the corresponding air door; the track groove corresponding to the defrosting air door is provided with a V-shaped track groove section, the V-shaped track groove section is positioned between the position node corresponding to the face blowing foot mode and the position node corresponding to the foot blowing mode, and the deflector rod corresponding to the defrosting air door can drive the defrosting air door to complete one-time opening and closing through the V-shaped track groove section.
Furthermore, the blowing surface air door is provided with a resistance rib to avoid generating vortex when the blowing surface air door is closed.
Furthermore, lightening holes penetrating through the air door drive plate are formed in each position node in each track groove.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. in the air-out mode switching structure of the automobile air-conditioning box, in the track groove corresponding to the defrosting air door, the track groove section between the position node corresponding to the face-blowing foot-blowing mode and the position node corresponding to the foot-blowing mode is V-shaped, and the deflector rod corresponding to the defrosting air door can drive the defrosting air door to complete one-time opening and closing through the V-shaped track groove section; when the air door driving plate rotates to switch the air-conditioning box from the face-blowing foot-blowing mode to the foot-blowing mode, the defrosting air door is temporarily opened to release pressure, so that high-speed airflow can be prevented from being formed in narrow gaps when the face-blowing air door is closed, and vortex whistle is prevented from being generated; the service life of the automobile air conditioning box can be effectively prolonged, and the use experience of a user can be effectively improved.
2. A vehicle air conditioner case air-out mode switches structure sets up the resistance muscle on blowing a face air door, and when blowing a face air door and closing, the resistance muscle changes the air current direction, the vortex of disturbing to further avoid producing the whistle.
3. In the air-out mode switching structure of the automobile air-conditioning box, lightening holes which penetrate through the air door driving plate are formed at each position node in each track groove; the weight of the air door driving plate can be reduced, the influence of inertia of the air door driving plate on the air outlet mode switching speed is reduced, and meanwhile, the distance between the node at the corresponding position and the rotation center of the air door driving plate is conveniently measured through the lightening holes during production and manufacturing.
Drawings
FIG. 1 is a perspective view of an air conditioning box of a vehicle according to the background art;
FIG. 2 is a schematic cross-sectional view of a prior art air conditioning box for a vehicle;
FIG. 3 is a front view of the damper dial of the background art;
FIG. 4 is a schematic cross-sectional view illustrating an outlet air mode switching structure of an air conditioning box of an embodiment;
FIG. 5 is a front view of the damper dial in an embodiment;
FIG. 6 is a perspective view of the face blowing door in the embodiment;
FIG. 7 is a side view of the blow side damper in the embodiment;
the air conditioner comprises an air conditioner box 1, a face blowing air port 2, a defrosting air port 3, a foot blowing air port 4, a face blowing air door 5, a defrosting air door 6, a foot blowing air door 7, an air door driving plate 8, a track groove 9, a connecting rod 10, a V-shaped track groove section 11, a resistance rib 12 and a lightening hole 13.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1, 4 and 5, an air outlet mode switching structure of an automobile air conditioning box comprises an air conditioning box 1, wherein the air conditioning box 1 is provided with a face blowing air port 2, a defrosting air port 3 and a foot blowing air port 4, air channels corresponding to the air ports are respectively provided with a face blowing air door 5, a defrosting air door 6 and a foot blowing air door 7, one end of each air door is rotatably connected with the inner wall of the air conditioning box 1, the other end of each air door is provided with an air door dial plate 8 perpendicular to the rotation axis of each air door, the air door dial plate 8 is rotatably arranged in the air conditioning box 1, the face of each air door, facing towards the air door, of the air door dial plate 8 is provided with three track grooves 9 extending smoothly along the circumferential direction of the air door dial plate 8, the three track grooves 9 correspond to the three air doors one by one, and each track groove 9 is provided with five position nodes uniformly distributed along the circumferential direction of the air door dial plate 8; a connecting rod 10 is arranged between each air door and the corresponding track groove 9, one end of the connecting rod 10 is provided with a deflector rod (not shown in the figure) which protrudes towards the air door drive plate 8 and extends into the corresponding track groove 9, the deflector rod is in sliding fit with the track groove 9, and the other end of the connecting rod 10 is in transmission connection with the end part of the corresponding air door; the track groove 9 corresponding to the defrosting air door 6 is provided with a V-shaped track groove section 11, the V-shaped track groove section 11 is positioned between a position node corresponding to the face blowing and foot blowing modes and a position node corresponding to the foot blowing modes, and a shifting lever corresponding to the defrosting air door 6 can drive the defrosting air door 6 to complete one-time opening and closing through the V-shaped track groove section 11.
In the air-out mode switching structure of the automobile air-conditioning box, in the track groove 9 corresponding to the defrosting air door 6, the track groove section between the position node corresponding to the face-blowing foot-blowing mode and the position node corresponding to the foot-blowing mode is V-shaped, and the deflector rod corresponding to the defrosting air door 6 can drive the defrosting air door 6 to complete one-time opening and closing through the V-shaped track groove section 11; thus, when the air door driving plate 8 rotates to switch the air-conditioning box 1 from the face-blowing foot-blowing mode to the foot-blowing mode, the defrosting air door 6 is opened and then closed, namely the defrosting air door 6 is opened temporarily for pressure relief, so that high-speed airflow can be prevented from being formed in narrow gaps when the face-blowing air door 5 is closed, and vortex whistle is prevented from being generated; the service life of the automobile air conditioning box 1 can be effectively prolonged, and the use experience of a user can be effectively improved.
Referring to fig. 6 and 7, in order to further avoid the whistle generated during the process that the air door dial 8 drives the face blowing air door 5 to close and the foot blowing air door 7 to open; the resistance rib 12 is additionally arranged on the face blowing air door 5, and when the face blowing air door 5 is closed, the resistance rib 12 changes the direction of airflow and disturbs vortex flow, so that whistle is avoided.
Referring to fig. 4 and 5, lightening holes 13 penetrating through the air door dial 8 are formed at each position node in each track groove 9; therefore, the weight of the air door driving plate 8 can be reduced, the influence of inertia of the air door driving plate 8 on the air outlet mode switching speed is reduced, meanwhile, the lightening holes 13 correspond to the position nodes one to one, the distance between the corresponding position nodes and the rotation center of the air door driving plate 8 is conveniently measured through the lightening holes 13 during production and manufacturing, and when the driving rod is located at each position node, the connecting rod 10 can drive the corresponding air door to rotate and enable the corresponding air duct to be in a ventilation, semi-ventilation or choke state.
In the present embodiment, the arrangement of the track grooves 9 and the position nodes on the damper dial 8 is as shown in fig. 4 and 5;
taking fig. 4 as an example, the operation principle of the air-out mode switching structure of the air-conditioning box of the vehicle will be described, for convenience of description, the nodes at the positions in the track groove 9 corresponding to the foot-blowing damper 7 are sequentially denoted as A1, A2, A3, A4 and A5 clockwise, the distances from A1 and A5 to the rotation center of the damper dial plate 8 are the farthest, the distance from A3 to the rotation center of the damper dial plate 8 is the closest, and the distances from A2 and A4 to the rotation center of the damper dial plate 8 are between the two distances; the foot-blowing air door 7 is close to the air door drive plate 8, the number of the connecting rods 10 between the foot-blowing air door 7 and the air door drive plate 8 is one, and the foot-blowing air door 7, the corresponding air duct and the air door drive plate 8 are based on the position relation; when the deflector rods corresponding to the foot blowing air doors 7 are positioned at A1 and A5, the foot blowing air doors 7 are closed, namely the corresponding air channels are in a choke state, when the corresponding deflector rods are positioned at A3, the foot blowing air doors 7 are completely opened, namely the corresponding air channels are in a ventilation state, and when the corresponding deflector rods are positioned at A2 and A4, the foot blowing air doors 7 are not completely opened, namely the corresponding air channels are in a semi-ventilation state;
the nodes at the positions in the track groove 9 corresponding to the face blowing air door 5 are sequentially marked as B1, B2, B3, B4 and B5 according to the clockwise direction, wherein the distance from the B1 to the rotation center of the air door dial plate 8 is the farthest, the distances from the B3, the B4 and the B5 to the rotation center of the air door dial plate 8 are the closest, and the distance from the B2 to the rotation center of the air door dial plate 8 is between the two distances; the face blowing air door 5 is close to the air door dial plate 8, the number of the connecting rods 10 between the face blowing air door 5 and the air door dial plate 8 is one, and the position relationship among the face blowing air door 5, the corresponding air channel and the air door dial plate 8 is based on; when the shifting lever corresponding to the face blowing air door 5 is positioned at B1, the face blowing air door 5 is completely opened, namely the corresponding air channel is in a ventilation state, when the corresponding shifting lever is positioned at B3, B4 and B5, the face blowing air door 5 is closed, namely the corresponding air channel is in a choke state, and when the corresponding shifting lever is positioned at B2, the face blowing air door 5 is not completely opened, namely the corresponding air channel is in a semi-ventilation state;
recording the nodes at the positions in the track groove 9 corresponding to the defrosting air door 6 as C1, C2, C3, C4 and C5 in turn according to the clockwise direction; the C5 is farthest away from the rotation center of the air door dial plate 8, the C1, the C2 and the C3 are closest to the rotation center of the air door dial plate 8, and the C4 is between the rotation center of the air door dial plate 8 and the C4; the defrosting air door 6 is far away from the air door drive plate 8, the number of the connecting rods 10 between the defrosting air door 6 and the air door drive plate 8 is two, and the two connecting rods 10 are rotationally connected to form a connecting rod 10 mechanism based on the position relation of the face blowing air door 5, the corresponding air channel and the air door drive plate 8; when the corresponding shift lever is positioned at C5, the defrosting air door 6 is completely opened, namely the corresponding air channel is in a ventilation state, when the corresponding shift lever is positioned at C1, C2 and C3, the defrosting air door 6 is closed, namely the corresponding air channel is in a choke state, and when the corresponding shift lever is positioned at C4, the defrosting air door 6 is not completely opened, namely the corresponding air channel is in a semi-ventilation state;
because each position node in the same track groove 9 is uniformly distributed in the circumferential direction, namely the rotation angles between adjacent position nodes are the same, the air door drive plate 8 rotates to enable the three shift levers to synchronously slide in the corresponding track grooves 9; when the air door driving plate 8 rotates to enable the three driving levers to be located at A1, B1 and C1 respectively, the air blowing foot air door 7 corresponding to the air duct is in a choke state, the air blowing face air door 5 corresponding to the air duct is in a ventilation state, the defrosting air door 6 corresponding to the air duct is in a choke state, and then the air conditioning box 1 is in a face blowing mode; when the air door driving plate 8 rotates to enable the three driving levers to be respectively positioned at A2, B2 and C2, the air blowing foot air door 7 corresponding to the air channel is in a semi-ventilation state, the air blowing face air door 5 corresponding to the air channel is in a semi-ventilation state, the defrosting air door 6 corresponding to the air channel is in a choke state, and then the air conditioning box 1 is in a face blowing foot blowing mode; when the air door driving plate 8 rotates to enable the three driving levers to be located at A3, B3 and C3 respectively, the air channel corresponding to the foot blowing air door 7 is in a ventilation state, the air channel corresponding to the face blowing air door 5 is in a choke state, the air channel corresponding to the defrosting air door 6 is in a choke state, and then the air conditioning box 1 is in a foot blowing mode; when the air door driving plate 8 rotates to enable the three driving levers to be located at A4, B4 and C4 respectively, the foot blowing air door 7 corresponding to the air channel is in a semi-ventilation state, the face blowing air door 5 corresponding to the air channel is in a choke state, the defrosting air door 6 corresponding to the air channel is in a semi-ventilation state, and then the air conditioning box 1 is in a foot blowing defrosting mode; when the air door driving plate 8 rotates to enable the three driving levers to be located at A5, B5 and C5 respectively, the foot blowing air door 7 is in a choke state corresponding to the air channel, the face blowing air door 5 is in a choke state corresponding to the air channel, and the defrosting air door 6 is in a ventilation state corresponding to the air channel, so that the air-conditioning box 1 is in a defrosting mode at the moment;
as shown in fig. 4, since the track groove section between C2 and C3 is V-shaped and the opening faces the rotation center of the air door dial 8, when the defrosting air door 6 passes through the V-shaped track groove section 11 corresponding to the shift lever, the distance from the shift lever to the rotation center of the air door dial 8 is from near to far to near, so that the defrosting air door 6 completes one opening and closing; like this, when three driving lever passes through the orbit groove section between A2 and A3 respectively, the orbit groove section between B2 and B3 and the orbit groove section between C2 and C3, blow foot air door 7 by half open gradually rotate to opening completely, blow face air door 5 by half open gradually rotate to closing, when air conditioner case 1 blows foot mode switch to blow the foot mode by blowing the face promptly, defrost air door 6 accomplishes the switching once, avoid blowing the in-process that face air door 5 closed, the amount of wind inertia that comes from the air-blower leads to the pressure in the flow field to rise, thereby it leads to producing the vortex whistle to avoid blowing to form the high velocity air stream between the narrow and small gap that face air door 5 closed.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.
Claims (3)
1. An air outlet mode switching structure of an automobile air conditioning box comprises an air conditioning box, wherein the air conditioning box is provided with a face blowing air port, a defrosting air port and a foot blowing air port, a face blowing air door, a defrosting air door and a foot blowing air door are respectively arranged in an air duct corresponding to each air port, one end of each air door is rotatably connected with the inner wall of the air conditioning box, the other end of each air door is provided with an air door drive plate perpendicular to the rotation axis of each air door, the air door drive plate is rotatably arranged in the air conditioning box, three track grooves which smoothly extend along the circumferential direction of the air door drive plate are formed in the face, facing each air door, of the air door drive plate, the three track grooves correspond to the three air doors one by one, and each track groove is provided with five position nodes which are uniformly distributed along the circumferential direction of the air door drive plate; a connecting rod is arranged between each air door and the corresponding track groove, one end of each connecting rod is provided with a shifting rod which is protruded towards the air door driving plate and extends into the corresponding track groove, the shifting rod is in sliding fit with the track groove, and the other end of each connecting rod is in transmission connection with the end part of the corresponding air door; the method is characterized in that: the track groove corresponding to the defrosting air door is provided with a V-shaped track groove section, the V-shaped track groove section is positioned between the position node corresponding to the face blowing foot mode and the position node corresponding to the foot blowing mode, and the deflector rod corresponding to the defrosting air door can drive the defrosting air door to complete one-time opening and closing through the V-shaped track groove section.
2. The air outlet mode switching structure of the air conditioner box of the automobile as claimed in claim 1, wherein: the blowing surface air door is provided with a resistance rib to avoid generating vortex when the blowing surface air door is closed.
3. The air outlet mode switching structure of the air conditioner box of the automobile as claimed in claim 1, wherein: lightening holes penetrating through the air door driving plate are formed in each position node in each track groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223191883.8U CN218477397U (en) | 2022-11-30 | 2022-11-30 | Air outlet mode switching structure of automobile air conditioning box |
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|---|---|---|---|
| CN202223191883.8U CN218477397U (en) | 2022-11-30 | 2022-11-30 | Air outlet mode switching structure of automobile air conditioning box |
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| CN218477397U true CN218477397U (en) | 2023-02-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116901665A (en) * | 2023-08-30 | 2023-10-20 | 宁波继峰汽车零部件股份有限公司 | Air door motion structure on air outlet |
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2022
- 2022-11-30 CN CN202223191883.8U patent/CN218477397U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116901665A (en) * | 2023-08-30 | 2023-10-20 | 宁波继峰汽车零部件股份有限公司 | Air door motion structure on air outlet |
| CN116901665B (en) * | 2023-08-30 | 2024-01-30 | 宁波继峰汽车零部件股份有限公司 | Air door motion structure on air outlet |
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