CN2850994Y - Inner and outer circulation air throttle device for automobile air conditioner - Google Patents
Inner and outer circulation air throttle device for automobile air conditioner Download PDFInfo
- Publication number
- CN2850994Y CN2850994Y CN 200520034633 CN200520034633U CN2850994Y CN 2850994 Y CN2850994 Y CN 2850994Y CN 200520034633 CN200520034633 CN 200520034633 CN 200520034633 U CN200520034633 U CN 200520034633U CN 2850994 Y CN2850994 Y CN 2850994Y
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- China
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- air
- air door
- air inlet
- circulation air
- door
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Abstract
The utility model discloses an inner and outer circulation air door device for automobile air conditioners, which comprises an air conditioner box and an air door, wherein an outer circulation air inlet and an inner circulation air inlet on the air conditioner box are ranged along a circumference. The utility model also comprises a rotor, wherein one end of which is installed in the center of circle of the circumference followed by the outer circulation air inlet and the inner circulation air inlet and the other end of which is fixed on the air door, and the rotor can drive the air door to rotate along the center of circle and to switch over between the outer circulation air inlet and the inner circulation air inlet. The air door can rotate from the inner circulation air inlet to the outer circulation air inlet, with a rotational angle of beta which is equal to the degree of a centre angle corresponding to a minor arc DD', and because the minor arc DD' is smaller than one fourth of the circumference, the beta is an acute angle. Compared with the rotational angle theta of the air door in the prior art, the utility model can switch over between the outer circulation air inlet and the inner circulation air inlet only by rotating in an acute angle, with smaller rotation in the air conditioner box with the same dimension, and the air door has the advantages of smaller abrasion and longer service life.
Description
Technical field
The utility model relates to a kind of automobile air conditioning internal-external cycle throttle device.
Background technology
Air conditioning for automobiles progressively develops into the integrated mode of present changes in temperature by traditional unitary system cold-peace heating mode, not only need to keep the temperature and humidity in the car stable within the specific limits, also to guarantee with fresh air in the car, therefore, automotive air-conditioning system is equipped with the ventilation system of introducing fresh air outside.
As shown in Figure 1, external circulation air inlet 20 on the air conditioning for automobiles case and interior circulation ventilation inlet 30 are in juxtaposition along circumference, the boundary of external circulation air inlet 20 and interior circulation ventilation inlet 30 is a crossbeam 60, the lower edge of the upper end of air door 40 and crossbeam 60 flexibly connects, air door 40 serves as that axle rotates with the lower edge of crossbeam 60, switches between external circulation air inlet 20 and interior circulation ventilation inlet 30.
Air door 40 turns to external circulation air inlet 20 from interior circulation ventilation inlet 30, and the angle of rotation is θ, and as shown in Figure 1, θ is the cooresponding angle in circular segment of major arc AA ', so θ is the obtuse angle.Thus, air door switches to be needed to rotate bigger angle, to having relatively high expectations of air door, and adopts such structure, and the sealing property of air door is not good.
Summary of the invention
The purpose of this utility model is exactly in order to overcome the above problems, and a kind of automobile air conditioning internal-external cycle throttle device is provided.
The utility model realizes that the above-mentioned purpose scheme is: a kind of automobile air conditioning internal-external cycle throttle device, comprise air-conditioning box and air door, external circulation air inlet on the air-conditioning box and interior circulation ventilation inlet are arranged side by side along circumference, also comprise tumbler, one end of described tumbler be installed in external circulation air inlet and interior circulation ventilation inlet along on the center of circle of circumference, the other end is fixed on the air door, and tumbler drives air door and rotates along the center of circle, and switches between external circulation air inlet and interior circulation ventilation inlet.
Also comprise tumbler, an end of tumbler is installed on the center of circle, and the other end is fixed on the air door, and tumbler drives air door and rotates along the center of circle.
Described tumbler is rotating shaft.
Also comprise sealing mechanism, described sealing mechanism is positioned at air door edge.
Described sealing mechanism and air door one.
Described sealing mechanism comprises first seal ring and second seal ring, and first seal ring is positioned at a lateral edges place of air door, and second seal ring is positioned at the opposite side edge of air door.
Described first seal ring is first V-shaped groove, and second seal ring is second V-shaped groove.
Adopt the beneficial effect of above scheme:
1, as shown in Figure 4, air door turns to external circulation air inlet from interior circulation ventilation inlet, the angle of rotating is β, β equals the pairing center of circle of minor arc DD ' degree of an angle, because minor arc DD ' is less than quarter turn, therefore, β is an acute angle, for the angle θ that air door in the prior art rotates, of the present utility model needs rotate an acute angle and just can switch between external circulation air inlet and interior circulation ventilation inlet, in the air-conditioning box of same size, rotate less, littler, the longer service life of the wearing and tearing of air door.
2, sealing mechanism can further seal air door and ventilation inlet, and the energy-conservation energy can also play a protective role to the device in the air-conditioning box.
3, in the air door both sides of the edge seal ring is set all, the sealing property of air door is better.
4, adopt V-slot as seal ring, can realize the two way seal of air door, simple in structure, practicality is good.
Description of drawings
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
Fig. 1 is the cutaway view of the internal-external cycle throttle of prior art.
Fig. 2 is the cutaway view under the utility model outer circulation pattern.
Fig. 3 is the partial enlarged drawing of B part among Fig. 2.
Fig. 4 is the cutaway view under the circulation pattern in the utility model.
Fig. 5 is the cutaway view of interior circulation time transmission device.
The cutaway view of transmission device when Fig. 6 is outer circulation.
The specific embodiment
Embodiment, shown in Fig. 2 to 4, a kind of automobile air conditioning internal-external cycle throttle device comprises air door 4.
External circulation air inlet 2 on the air conditioning for automobiles case and interior circulation ventilation inlet 3 are in juxtaposition along circumference, and the boundary of external circulation air inlet 2 and interior circulation ventilation inlet 3 is a crossbeam 6.Air door 4 is a fulcrum with external circulation air inlet 2 and 3 centers of circle 0 along circumference of interior circulation ventilation inlet, switches between external circulation air inlet 2 and interior circulation ventilation inlet 3.
Tumbler is set, and an end of tumbler is installed on the O of the center of circle, and the other end of tumbler is fixed on the air door 4, and tumbler drives air door 40 rotation along the center of circle.In the present embodiment, tumbler is rotating shaft 5.
Transmission device comprises drive crank 7, transmission rocking bar 10 and carries out rocking bar 12, drive crank 7 is by motor-driven, first boss 8 on the drive crank 7 cooperates with transmission rocking bar 10, and transmission rocking bar 10 cooperates with second boss 11 on carrying out rocking bar 12, carries out rocking bar 12 and drives rotating shafts 5 rotations.
Shown in Fig. 5,6, working process:
When the needs fresh air, air door 4 turns to interior circulation ventilation inlet 3, and external circulation air inlet 2 is opened fully, and interior circulation ventilation inlet 3 is closed fully, the blower fan import 15 that air enters air-conditioning from automobile external, and the air intake pattern of this moment is interior circulation pattern; When the automobile inner air quality good, when perhaps the automobile external air is muddy, air door 4 turns to external circulation air inlet 2, interior circulation ventilation inlet 3 is opened fully, external circulation air inlet 2 is closed fully, air directly enters the blower fan import 15 of air-conditioning from automotive interior, the air intake pattern of this moment is the outer circulation pattern.
The outer circulation mode switch is to interior circulation pattern: driven by motor drive crank 7 rotates counterclockwise, drive crank 7 drives transmission rocking bar 10 and clockwise rotates, transmission rocking bar 10 drives execution rocking bar 12 and rotates counterclockwise, carrying out rocking bar 12 drive rotating shafts 5 rotates counterclockwise, thereby air door 4 rotates counterclockwise external circulation air inlet 2 from interior circulation ventilation inlet 3, and the air intake pattern of air conditioning for automobiles has been switched to interior circulation by outer circulation.
Accordingly, switch to the outer circulation pattern by interior circulation pattern, driven by motor drive crank 7 clockwise rotates, drive crank 7 drives transmission rocking bar 10 and rotates counterclockwise, transmission rocking bar 10 drives execution rocking bar 12 and clockwise rotates, carry out rocking bar 12 and drive rotating shafts 5 and clockwise rotate, thereby air door 4 clockwise rotates interior circulation ventilation inlet 3 from external circulation air inlet 2, the air intake pattern of air conditioning for automobiles has been switched to outer circulation by interior circulation.
By air door 4 moment of torsion is passed to transmission rocking bar 10 as external force, transmission rocking bar 10 masterpiece is in addition used on first boss 8, the direction of this power F has been passed through the rotating shaft of motor, owing to do not produce moment, therefore drive crank 7 can not rotate, air door 4 just can not rotate yet like this, thereby realizes the purpose of air door self-locking; Simultaneously, because external force can not pass to motor by air door 4, motor has further been protected motor also with regard to the effect that can not be subjected to the external force moment of torsion and destroyed; In addition, air door 4 can not rotate under the effect of external force, helps the sealing of air door 4.
4 edges are provided with sealing mechanism at air door, sealing mechanism comprises first seal ring and second seal ring, first seal ring is positioned at the left side edge place of air door 4, second seal ring is positioned at the right side edge place of air door 4, shown in Fig. 2,3, in the present embodiment, first seal ring is that first V-shaped groove, 16, the second seal rings are second V-shaped groove 17.Sealing mechanism and air door 4 one are difficult to throw off better tightness.
Working process:
As shown in Figure 2, under the outer circulation pattern, the trailing edge of first V-shaped groove 16 and crossbeam 6 fit tightly, and the lower edge of the trailing edge of second V-shaped groove and interior circulation ventilation inlet 3 fits tightly; As shown in Figure 3, under the interior circulation pattern, the lower edge of the leading edge of first V-shaped groove 16 and external circulation air inlet 2 fits tightly, and the leading edge of second V-shaped groove and crossbeam 6 fit tightly.The sealing mechanism that adopts first V-shaped groove 16 and second V-shaped groove 17 to cooperate can be realized the two way seal of air door.
Claims (6)
1, a kind of automobile air conditioning internal-external cycle throttle device, comprise air-conditioning box and air door (4), external circulation air inlet on the air-conditioning box (2) and interior circulation ventilation inlet (3) are arranged side by side along circumference, it is characterized in that: also comprise tumbler, one end of described tumbler be installed in external circulation air inlet (2) and interior circulation ventilation inlet (3) along on the center of circle (0) of circumference, the other end is fixed on the air door (4), tumbler drives air door (4) (0) rotation along the center of circle, and switches between external circulation air inlet (2) and interior circulation ventilation inlet (3).
2, a kind of automobile air conditioning internal-external cycle throttle device according to claim 1 is characterized in that: described tumbler is rotating shaft (5).
3, a kind of automobile air conditioning internal-external cycle throttle device according to claim 1 and 2 is characterized in that: also comprise sealing mechanism, described sealing mechanism is positioned at air door (4) edge.
4, a kind of automobile air conditioning internal-external cycle throttle device according to claim 3 is characterized in that: described sealing mechanism and air door (4) one.
5, a kind of automobile air conditioning internal-external cycle throttle device according to claim 4, it is characterized in that: described sealing mechanism comprises first seal ring and second seal ring, first seal ring is positioned at a lateral edges place of air door (4), and second seal ring is positioned at the opposite side edge of air door (4).
6, a kind of automobile air conditioning internal-external cycle throttle device according to claim 5 is characterized in that: described first seal ring is first V-shaped groove (16), and second seal ring is second V-shaped groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520034633 CN2850994Y (en) | 2005-06-23 | 2005-06-23 | Inner and outer circulation air throttle device for automobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520034633 CN2850994Y (en) | 2005-06-23 | 2005-06-23 | Inner and outer circulation air throttle device for automobile air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2850994Y true CN2850994Y (en) | 2006-12-27 |
Family
ID=37584958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520034633 Expired - Lifetime CN2850994Y (en) | 2005-06-23 | 2005-06-23 | Inner and outer circulation air throttle device for automobile air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2850994Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375879A (en) * | 2012-04-27 | 2013-10-30 | 比亚迪股份有限公司 | In-vehicle air conditioner control system and method |
| CN104309446A (en) * | 2014-09-28 | 2015-01-28 | 博耐尔汽车电气系统有限公司 | Automobile air conditioner inside and outside circulation system |
| CN105865104A (en) * | 2016-05-25 | 2016-08-17 | 南方英特空调有限公司 | Automatic heating compensation air conditioning box |
| CN110103664A (en) * | 2019-04-23 | 2019-08-09 | 浙江合众新能源汽车有限公司 | A kind of energy-saving control method and device of air conditioning for automobiles |
| CN110329040A (en) * | 2019-08-22 | 2019-10-15 | 重庆松芝汽车空调有限公司 | A kind of on-board air conditioner inlet box air door structure |
-
2005
- 2005-06-23 CN CN 200520034633 patent/CN2850994Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375879A (en) * | 2012-04-27 | 2013-10-30 | 比亚迪股份有限公司 | In-vehicle air conditioner control system and method |
| CN103375879B (en) * | 2012-04-27 | 2016-04-13 | 比亚迪股份有限公司 | Air-conditioner control system and method in a kind of car |
| CN104309446A (en) * | 2014-09-28 | 2015-01-28 | 博耐尔汽车电气系统有限公司 | Automobile air conditioner inside and outside circulation system |
| CN104309446B (en) * | 2014-09-28 | 2016-08-24 | 博耐尔汽车电气系统有限公司 | A kind of air conditioning for automobiles storing tank |
| CN105865104A (en) * | 2016-05-25 | 2016-08-17 | 南方英特空调有限公司 | Automatic heating compensation air conditioning box |
| CN110103664A (en) * | 2019-04-23 | 2019-08-09 | 浙江合众新能源汽车有限公司 | A kind of energy-saving control method and device of air conditioning for automobiles |
| CN110329040A (en) * | 2019-08-22 | 2019-10-15 | 重庆松芝汽车空调有限公司 | A kind of on-board air conditioner inlet box air door structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BYD Automobile Co., Ltd Assignor: Biyadi Co., Ltd. Contract fulfillment period: 2008.4.25 to 2013.11.18 Contract record no.: 2008440000072 Denomination of utility model: Inner and outer circulation air throttle device for automobile air conditioner Granted publication date: 20061227 License type: General permission Record date: 20080504 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: COMMON LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.4.25 TO 2013.11.18 Name of requester: BYD AUTOMOBILE CO., LTD. Effective date: 20080504 |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150623 Granted publication date: 20061227 |