CN220483038U - Inside and outside circulation switching driving structure of automobile air conditioner box - Google Patents
Inside and outside circulation switching driving structure of automobile air conditioner box Download PDFInfo
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- CN220483038U CN220483038U CN202321873823.6U CN202321873823U CN220483038U CN 220483038 U CN220483038 U CN 220483038U CN 202321873823 U CN202321873823 U CN 202321873823U CN 220483038 U CN220483038 U CN 220483038U
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- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000004378 air conditioning Methods 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses an internal and external circulation switching driving structure of an automobile air conditioner box, which is arranged in an air inlet shell of the automobile air conditioner box, and comprises an internal and external circulation motor and a connecting mechanism arranged at the driving end of the internal and external circulation motor, wherein the connecting mechanism is connected with an internal and external circulation air door of the automobile air conditioner box, and is driven by the internal and external circulation motor to switch the opening and closing state of an air inlet of the automobile air conditioner box, so that the internal and external circulation switching is realized.
Description
Technical Field
The utility model relates to the technical field of automobile air conditioners, in particular to an inside and outside circulation switching driving structure of an automobile air conditioner box.
Background
The rapid development of new energy automobiles drives the market demand of automobile air conditioners to be greatly increased, the continuous perfection and improvement of automobile air conditioner structures are promoted, and the structural improvement brings more possibility for the design of automobile bodies and in-automobile spaces, so that the pursuit of consumers on personalized products is satisfied.
The traditional air conditioning box has the advantages that the internal and external circulating motors are arranged on two sides of the air inlet, the motors can switch internal and external circulating modes by directly driving the air door, certain space is reserved for the arrangement of the motors, and the air inlet unit occupies a larger space; when limited by space, the area of the internal and external circulating air inlets is required to be compressed to arrange a reserved space for the motor, so that the air inlet resistance is increased, the load of the blower is increased, and the air outlet volume of the air conditioner box is influenced.
Disclosure of Invention
The technical purpose is that: aiming at the defects of the existing automobile air conditioning box, the utility model discloses an automobile air conditioning box internal and external circulation switching driving structure which breaks through space limitation, increases arrangement convenience, reduces the Z-direction and Y-direction dimensions of an air inlet unit, thereby reducing the volume of the air conditioning box and improving the space utilization rate of a cockpit.
The technical scheme is as follows: in order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a drive structure is switched in inner and outer circulation of automobile air conditioning case, sets up in the air inlet casing of automobile air conditioning case, automobile air conditioning case includes the spiral case, outer circulation air intake and inner circulation air intake, and the spiral case adopts symmetrical double-volute structure, and inner circulation air intake corresponds with the impeller of spiral case, and the both sides of symmetrical distribution air inlet casing are switched in inner and outer circulation structure includes inner and outer circulation motor and the coupling mechanism of setting at inner and outer circulation motor drive end, coupling mechanism is connected with the inner and outer circulation air door of automobile air conditioning case, drives through inner and outer circulation motor, switches the wind gap open-close state of automobile air conditioning case, realizes the switching of inner and outer circulation.
Preferably, the connecting mechanism comprises a crank fixedly connected with the driving end of the internal and external circulating motor, and two ends of the crank are respectively connected with the corresponding internal and external circulating air door through connecting rod assemblies.
Preferably, the connecting rod assembly comprises a first connecting part connected with the end part of the crank, a second connecting part connected with the corresponding internal and external circulating air doors, and a third connecting part connected with the first connecting part and the second connecting part, wherein the first connecting part and the crank are arranged in the same plane, the second connecting part is perpendicular to the rotation axis of the internal circulating air door, the end part of the second connecting part is connected with the internal and external circulating air doors through a connecting block, the second connecting part is connected with the connecting block through a universal ball head embedded in the connecting block in a matched manner, the connecting assemblies of the two internal and external circulating air doors are distributed in a central symmetry manner relative to the rotation axis of the internal and external circulating motor, and when the internal and external circulating motor drives the crank to rotate, the two internal and external circulating air doors are driven to reversely rotate, so that the internal circulating air inlet and the external circulating air inlet are synchronously opened and closed.
Preferably, an outer circulation air inlet of the automobile air conditioner box is opposite to a shell on the side face of the volute, and an inner circulation motor and an outer circulation motor are fixed on the volute and correspond to the outer circulation air inlet.
The beneficial effects are that:
1. the internal and external circulation switching driving structure of the automobile air conditioner provided by the utility model solves the defect of the arrangement mode of the internal and external circulation motors of the traditional air conditioner, the internal and external circulation motors are arranged at the inner side of the external circulation air inlet, the internal and external circulation motors are fixed on the volute and positioned between the volute and the crank, the arrangement space of the HVAC in the Z direction and the Y direction is reduced, and the arrangement convenience is improved.
2. According to the utility model, the connecting rod assemblies which are symmetrically distributed in the center of the crank drive the two internal and external circulating air doors to synchronously and reversely rotate, so that synchronous closing and opening are realized, and the opening and closing angle is arbitrarily controllable.
3. In the external circulation mode, fresh air enters the air cavity through the external circulation air door opening, and the fresh air flows through the crank and the internal and external circulation motor, so that heat dissipation is facilitated, the reliability of the motor is improved, and the service life of equipment is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model 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.
FIG. 1 is a diagram of the overall structure of an air conditioning unit for a vehicle in accordance with the present utility model;
FIG. 2 is a block diagram of a linkage mechanism of the present utility model;
the air conditioner comprises a 1-automobile air conditioning box, a 2-air inlet shell, a 3-volute, a 4-external circulation air inlet, a 5-internal circulation air inlet, a 6-internal and external circulation motor, a 7-internal and external circulation air door, an 8-crank, a 9-first connecting part, a 10-second connecting part, a 11-third connecting part, a 12-connecting block and a 13-universal ball head.
Description of the embodiments
The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the utility model are shown, but in which the utility model is not so limited.
As shown in fig. 1-2, the utility model discloses an internal and external circulation switching driving structure of an automobile air conditioner box, which is arranged in an air inlet shell 2 of the automobile air conditioner box 1, wherein the automobile air conditioner box 1 comprises a volute 3, an external circulation air inlet 4 and an internal circulation air inlet 5, the volute 3 adopts a symmetrical double-volute structure, the internal circulation air inlet 5 corresponds to impellers of the volute 3, two sides of the air inlet shell 2 are symmetrically distributed, the internal and external circulation switching driving structure comprises an internal and external circulation motor 6 and a connecting mechanism arranged at the driving end of the internal and external circulation motor 6, the connecting mechanism is connected with an internal and external circulation air door 7 of the automobile air conditioner box, and is driven by the internal and external circulation motor 6 to switch the opening and closing states of the air inlet of the automobile air conditioner box 1 so as to realize the internal and external circulation switching.
Specifically, the connecting mechanism comprises a crank 8 fixedly connected with the driving end of an internal and external circulation motor 6, two ends of the crank 8 are respectively connected with corresponding internal and external circulation air doors 7 through connecting rod assemblies, each connecting rod assembly comprises a first connecting part 9 connected with the end of the crank 8, a second connecting part 10 connected with the corresponding internal and external circulation air doors 7, and a third connecting part 11 connected with the first connecting part 9 and the second connecting part 10, the first connecting part 9 and the crank 8 are arranged in the same plane, the second connecting part 10 is perpendicular to the rotation axis of the internal and external circulation air doors 7, the end part of the second connecting part 10 is connected with the internal and external circulation air doors 7 through a connecting block 12, the second connecting part 10 is connected with the connecting block 12 through a universal ball head 13 embedded in the connecting block in a matched mode, the connecting assemblies of the two internal and external circulation air doors 7 are distributed in a central symmetry mode about the rotation axis of the internal and external circulation motor 6, and when the internal and external circulation motor 6 drives the crank 8 to rotate, the two internal and external circulation air doors 7 are driven to reversely rotate, and the internal and external circulation air inlets 5 and the external circulation air inlets 4 are synchronously opened and closed.
According to the utility model, the outer circulation air inlet 4 of the automobile air conditioning box 1 is opposite to the shell on the side face of the volute 3, the inner and outer circulation motors 6 are fixed on the volute 3 and correspond to the outer circulation air inlet 4, and heat dissipation can be carried out on equipment such as motors and the like through air inlet in an outer circulation mode, so that the reliability of the motors is improved, and the service life of the equipment is prolonged.
According to the internal and external circulation switching driving structure of the automobile air conditioner box, in an external circulation mode, according to the direction shown in fig. 2, the internal and external circulation motor 6 rotates anticlockwise, the crank 8 rotates synchronously with the motor, the connecting rod assembly on the right side drives the corresponding internal and external circulation air door 7 to rotate anticlockwise, the internal circulation air inlet 5 is blocked, the internal and external circulation air door 7 on the other side rotates clockwise, the other internal circulation air inlet 5 on the same side is blocked, external circulation air inlet is realized, meanwhile, in the external circulation mode, fresh air enters an air inlet shell through the external circulation air inlet, and the fresh air flows through the crank and the internal and external circulation motor, so that heat dissipation is facilitated, and the reliability of the internal and external circulation motor is improved; when the air inlet mode is switched, the inner and outer circulating motors 6 rotate clockwise, the distance between the first connecting part 9 and the second connecting part 10 is reduced along with rotation, the third connecting part 11 pulls the second connecting part to move to the side where the outer circulating air inlet 4 is located, the inner circulating air inlet 5 is driven to rotate around the rotation center, the air inlet shell 2 is matched to seal the air channel of the outer circulating air, the corresponding two inner circulating air inlets 5 are opened, and air enters from the inner circulating air inlets 5 at the two sides, so that the air inlet mode is switched.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (4)
1. The utility model provides a drive structure is switched in inner and outer circulation of car air conditioning case, sets up in air inlet casing (2) of car air conditioning case (1), car air conditioning case (1) include spiral case (3), outer circulation air intake (4) and inner circulation air intake (5), spiral case (3) adopt symmetrical double-volute structure, inner circulation air intake (5) are corresponding with the impeller of spiral case (3), the both sides of symmetrical distribution air inlet casing (2), its characterized in that, inner and outer circulation switch drive structure include inner and outer circulation motor (6) and set up the coupling mechanism at inner and outer circulation motor (6) drive end, coupling mechanism is connected with inner and outer circulation air door (7) of car air conditioning case, drives through inner and outer circulation motor (6), switches the wind gap open-close state of car air conditioning case (1), realizes the switching of inner and outer circulation.
2. The internal and external circulation switching driving structure of an automobile air conditioner according to claim 1, wherein the connecting mechanism comprises a crank (8) fixedly connected with the driving end of the internal and external circulation motor (6), and two ends of the crank (8) are respectively connected with the corresponding internal and external circulation air door (7) through connecting rod assemblies.
3. The internal and external circulation switching driving structure of an automobile air conditioner according to claim 2, wherein the connecting rod assembly comprises a first connecting part (9) connected with the end part of the crank (8), a second connecting part (10) connected with the corresponding internal and external circulation air door (7), and a third connecting part (11) connected with the first connecting part (9) and the second connecting part (10), the first connecting part (9) and the crank (8) are arranged in the same plane, the second connecting part (10) is perpendicular to the rotation axis of the internal circulation air door (7), the end part of the second connecting part (10) is connected with the internal and external circulation air door (7) through a connecting block (12), the connecting parts of the second connecting part (10) and the connecting block (12) are in matched connection through universal ball heads (13) embedded in the connecting block, the connecting assemblies of the two internal and external circulation air doors (7) are distributed in a central symmetry mode about a rotation shaft, and when the internal and external circulation motor (6) drives the crank (8) to rotate, the two internal and external circulation air doors (7) are driven to reversely rotate, and the internal and external circulation air doors (5) and an air inlet opening of the external circulation air inlet (4) are synchronously realized.
4. The internal and external circulation switching driving structure of the automobile air conditioner box according to claim 1, wherein an external circulation air inlet (4) of the automobile air conditioner box (1) is opposite to a shell on the side face of the volute (3), and an internal and external circulation motor (6) is fixed on the volute (3) and corresponds to the external circulation air inlet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321873823.6U CN220483038U (en) | 2023-07-17 | 2023-07-17 | Inside and outside circulation switching driving structure of automobile air conditioner box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321873823.6U CN220483038U (en) | 2023-07-17 | 2023-07-17 | Inside and outside circulation switching driving structure of automobile air conditioner box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220483038U true CN220483038U (en) | 2024-02-13 |
Family
ID=89831391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321873823.6U Active CN220483038U (en) | 2023-07-17 | 2023-07-17 | Inside and outside circulation switching driving structure of automobile air conditioner box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220483038U (en) |
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2023
- 2023-07-17 CN CN202321873823.6U patent/CN220483038U/en active Active
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