CN205149452U - Vehicle air conditioner air door assembly and vehicle air conditioner system - Google Patents

Abstract

The utility model provides an automobile air-conditioning damper assembly and an automobile air-conditioning system. The automobile air-conditioning damper assembly includes a blower air intake shell; The sealing rubber ring on the edge of the tuyere of the blower air inlet housing is provided with a sealing groove for the edge of the inner and outer circulation damper body to enter and exit. The sealing groove has a first lip that is sealingly matched with the inner and outer circulation damper body. When the damper assembly of the automobile air conditioner described in the utility model is sealed, the edge of the inner and outer circulation damper body enters the sealing groove of the sealing rubber ring, and achieves the sealing effect through the first lip. At this time, the inner and outer circulation damper body and the sealing rubber ring There is no gap between them. At the same time, the first lip is also made of rubber material, which has a certain degree of elasticity, which improves the sealing effect when the damper is opened or closed, thereby ensuring the airtightness of the whole vehicle, and it is also convenient for the edge of the inner and outer circulation damper body to enter and exit the sealing groove.

Description

Automobile air-conditioning damper assembly and automobile air-conditioning system

technical field

The utility model relates to the technical field of automobile manufacturing, in particular to an automobile air-conditioning damper assembly, and the utility model also relates to an automobile air-conditioning system having the above-mentioned automobile air-conditioning damper assembly.

Background technique

Automobile air-conditioning damper is the wind direction adjustment mechanism in the automobile air-conditioning system, which plays an important role in the automobile air-conditioning system.

When the damper of the automobile air conditioner is opened (outer circulation) and closed (inner circulation), it needs to achieve a sealing effect to ensure air tightness and sound insulation performance of the front wall. The damper of the automobile air conditioner includes the blower air intake housing and the internal and external circulation damper body. At present, the sealing between the internal and external circulation damper body and the blower air intake housing is only performed by the compression force of the rubber pad. Affected by the compression force, the rubber pad and the damper There are gaps between them, the sealing effect of the edge of the damper is poor, and the sealing structure at the shaft of the damper is also relatively weak, which easily causes a large amount of leakage and affects the sealing performance of the whole vehicle.

To sum up, how to improve the sealing effect of the air door to ensure the airtightness of the whole vehicle is a technical problem to be solved urgently by those skilled in the art.

Utility model content

In view of this, the utility model aims to provide an automobile air-conditioning damper assembly to improve the sealing effect of the damper, thereby ensuring the airtightness of the whole vehicle.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

An automobile air conditioner damper assembly, comprising a blower air intake housing and an internal and external circulation damper body rotatably arranged at the tuyere of the blower air intake housing; The sealing rubber ring is provided with a sealing groove for the edge of the internal and external circulation damper body to enter and exit, and the sealing groove has a first lip that is sealingly matched with the internal and external circulation damper body.

Further, the automobile air conditioner damper assembly also includes an outer sealing layer arranged on the edge of the tuyere of the air inlet housing of the blower and located on the outer side of the sealing rubber ring or on the outer side of the inner and outer circulation damper body edge, The air intake housing of the blower and the body of the internal and external circulation damper can be sealed and matched through the outer sealing layer.

Further, the outer sealing layer is a strip-shaped closed-cell sponge layer, and strip-shaped compression ribs are arranged on the outer surfaces of the two ends of the inner and outer circulation damper body, and the two sides of the strip-shaped compression ribs Both sides are provided with the strip-shaped closed-cell sponge layer.

Further, there are three first lips, which are respectively arranged on the two sides and the bottom of the sealing groove.

Further, the body of the internal and external circulation damper includes two fan-shaped flat plates oppositely arranged and an arc-shaped plate connecting the arc-shaped sides of the two fan-shaped flat plates, and the fan-shaped flat plate is rotatably connected with the blower inlet housing through a rotating shaft .

Further, there is an arc-shaped rib on the outer surface of the fan-shaped flat plate, and an arc-shaped rubber ring is provided on the air inlet housing of the blower. The arc-shaped sealing groove has a second lip sealingly engaged with the arc-shaped rib in the arc-shaped sealing groove.

Further, there are three second lips, which are respectively arranged on the two sides and the bottom of the arc-shaped sealing groove.

Further, the automobile air conditioner damper assembly also includes an arc-shaped sealing layer arranged on the outer surface of the fan-shaped flat plate or on the air inlet housing of the blower, and the arc-shaped sealing layer is located away from the arc-shaped rubber ring. On one side of the rotating shaft, the fan-shaped flat plate and the blower inlet housing can be sealed and matched through the arc-shaped sealing layer.

Further, the arc-shaped sealing layer is an arc-shaped closed-cell sponge strip, and is arranged on the outer surface of the fan-shaped flat plate.

Compared with the prior art, the automobile air conditioner damper assembly described in the utility model has the following advantages:

In the automobile air-conditioning damper assembly described in the utility model, under the two states of opening (outer circulation) and closing (inner circulation), the edges of the inner and outer circulation damper bodies respectively enter the sealing grooves at the corresponding positions of the sealing rubber rings, and pass through The first lip is in sealing fit with the blower air inlet casing. When sealing, the edge of the internal and external circulation air door body enters the sealing groove of the sealing rubber ring, that is, the edge of the internal and external circulation air door body extends into the inside of the sealing rubber ring, and achieves the sealing effect through the first lip. At this time, the internal and external circulation air door body and There is no gap between the sealing rubber rings, and at the same time, the first lip is also made of rubber material, which has certain elasticity, so the sealing effect when the damper is opened or closed is improved, thereby ensuring the airtightness of the whole vehicle.

In addition, because the utility model realizes the sealing fit between the body of the internal and external circulation damper and the air intake housing of the blower through the first lip, the size of the sealing groove of the sealing rubber ring is larger than the edge of the body of the internal and external circulation damper, which facilitates the entry of the edge of the internal and external circulation damper body Or move out of the sealing groove, which can avoid the leakage caused by the edge of the internal and external circulation damper body not entering the sealing groove, and improve the reliability of the sealing.

Another object of the present utility model is to provide an automobile air-conditioning system to improve the sealing effect of the air door, thereby ensuring the airtightness of the whole vehicle.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

An automobile air-conditioning system, comprising an air-conditioning damper assembly, the air-conditioning damper assembly being the automobile air-conditioning damper assembly described in any one of the above technical solutions.

The automobile air-conditioning system has the same advantages as the above-mentioned automobile air-conditioning damper assembly over the prior art, and will not be repeated here.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is the three-dimensional structural schematic diagram of the automobile air-conditioning damper assembly described in the embodiment of the present invention under the open (outer circulation) state;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is a sectional view along line A-A in Fig. 2;

Fig. 4 is a partial enlarged structural diagram of B in Fig. 3;

Fig. 5 is a schematic structural diagram of the body of the internal and external circulation damper described in the embodiment of the present invention.

Explanation of reference signs:

1-Internal and external circulation damper body, 11-Fan-shaped flat plate, 12-Arc-shaped plate, 13-Strip-shaped compression rib, 14-Arc-shaped rib, 2-Outer sealing layer, 3-Blower air intake shell, 4 -curved rubber ring, 5-sealing rubber ring.

detailed description

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Please refer to accompanying drawings 1-5, the automobile air-conditioning damper assembly provided by the embodiment of the utility model includes the air blower air intake housing 3 and the internal and external circulation damper body 1 rotatably arranged at the tuyere of the air blower air intake housing 3; It also includes a sealing rubber ring 5 arranged on the edge of the tuyere of the blower air intake housing 3. The sealing rubber ring 5 is provided with a sealing groove for the edge of the inner and outer circulation damper body 1 to enter and exit. Fitting first lip.

In the automobile air conditioner damper assembly of the present utility model, under the two states of opening (outer circulation) and closing (inner circulation), the edges of the inner and outer circulation damper body 1 respectively enter the sealing grooves at the corresponding positions of the sealing rubber ring 5, and pass through The first lip is in sealing fit with the blower inlet casing 3 . When sealing, the edge of the internal and external circulation air door body 1 enters the sealing groove of the sealing rubber ring 5, that is, the edge of the internal and external circulation air door body 1 extends into the inside of the sealing rubber ring 5, and the sealing effect is achieved through the first lip. There is no gap between the circulating damper body 1 and the sealing rubber ring 5, and the first lip is also made of rubber material with certain elasticity, so the sealing effect when the damper is opened or closed is improved, thereby ensuring the sealing performance of the whole vehicle.

In addition, because the utility model realizes the sealing fit between the internal and external circulation damper body 1 and the blower inlet housing 3 through the first lip, the sealing groove size of the sealing rubber ring 5 is larger than the edge of the internal and external circulation damper body 1, thereby facilitating the internal and external circulation damper The edge of the main body 1 enters or moves out of the sealing groove, which can avoid leakage caused by the edge of the internal and external circulation damper body 1 not entering the sealing groove, and improves the reliability of the sealing.

In order to further improve the sealing effect, the automobile air conditioner damper assembly also includes an outer sealing layer 2 which is arranged on the edge of the air outlet of the blower air intake housing 3 and is located on the outside of the sealing rubber ring 5 or on the outer surface of the edge of the inner and outer circulation damper body 1, and the blower The air intake housing 3 and the inner and outer circulation damper body 1 can be sealed and matched through the outer sealing layer 2 . The utility model utilizes the outer sealing layer 2 and the sealing rubber ring 5 to realize double sealing, and the sealing performance is more reliable. The utility model also can not be provided with the outer sealing layer 2, only through the sealing rubber ring 5 to achieve the sealing effect.

Preferably, the outer sealing layer 2 is a strip-shaped closed-cell sponge layer. The closed-cell sponge requires less compaction force for deformation, and is non-absorbent, moisture-proof, and water-resistant, and can achieve a good sealing effect. Alternatively, the above-mentioned outer sealing layer 2 is also made of polytetrafluoroethylene, rubber or open-pore sponge and other materials capable of achieving sealing.

As shown in Figure 5, strip-shaped compression ribs 13 are provided on the outer surfaces of both ends of the inner and outer circulation damper body 1, and strip-shaped closed-cell sponge layers are provided on both sides of the strip-shaped compression ribs 13. , the two ends of the internal and external circulation damper body 1 are provided with four closed-cell sponges in total by bonding. In this embodiment, the compression force is applied to the strip-shaped closed-cell sponge layer through the strip-shaped compression ribs 13, so that the sealing effect is achieved between the blower air inlet housing 3 and the internal and external circulation damper body 1. The above-mentioned strip-shaped compression ribs 13. It can apply a uniform compressive force to the strip obturator sponge to ensure the tightness of each place. Of course, the utility model can also use the clamps arranged on the blower air intake housing 3 to apply a compressive force to the strip-shaped closed-cell sponge layer, so as to achieve the same sealing effect.

In a preferred embodiment, there are three first lips, which are respectively arranged on the two sides and the bottom of the sealing groove. The utility model can respectively seal the outer surface, the inner surface and the end surface of the internal and external circulation damper body 1 through the three first lips, so as to achieve better sealing effect. Of course, the above-mentioned first lip may also be two provided on both sides of the sealing groove, or four evenly distributed in the sealing groove, which is not specifically limited in the present invention.

In a specific embodiment of the utility model, the internal and external circulation damper body 1 includes two fan-shaped flat plates 11 arranged oppositely and an arc-shaped plate 12 connecting the arc-shaped sides of the two fan-shaped flat plates 11. The body 3 is connected in rotation, as shown in Figure 5. The utility model relies on the action of the motor to drive the rotating shafts on both sides of the internal and external circulation damper body 1 to rotate to realize the opening or closing of the damper.

The two sides of the above-mentioned internal and external circulation damper body 1 are in contact with the blower inlet housing 3 through the fan-shaped flat plate 11, the contact area is relatively large, and a good sealing effect can be achieved at the rotating shaft, and the edge of the internal and external circulation damper body 1 is arc-shaped, It is convenient to make a sealing structure. Of course, the internal and external circulation damper body 1 can also be an integral arc damper or rectangular damper.

In order to further optimize the above-mentioned technical scheme, there is an arc-shaped rib 14 on the outer surface of the fan-shaped flat plate 11, and an arc-shaped rubber ring 4 is arranged on the air inlet housing 3 of the blower, and the arc-shaped rubber ring 4 is provided to slide with the arc-shaped rib 14. The matching arc-shaped sealing groove has a second lip edge sealingly matched with the arc-shaped rib 14 in the arc-shaped sealing groove. The utility model snaps the arc-shaped convex rib 14 into the arc-shaped sealing groove of the arc-shaped rubber ring 4, and uses the second lip to realize the sealing between the fan-shaped flat plate 11 and the blower air inlet shell 3, thereby ensuring the internal and external circulation damper Sealing between the rotating shafts on both sides of the main body 1 and the blower inlet housing 3 .

Preferably, there are three second lips, which are respectively arranged on the two sides and the bottom of the arc-shaped sealing groove. The utility model can respectively seal the two side faces and the end face of the arc-shaped rib 14 through the three second lips, so as to achieve better sealing effect. Of course, the above-mentioned second lips can also be two arranged on both sides of the arc-shaped sealing groove, or four evenly distributed in the arc-shaped sealing groove, which is not specifically limited in the present invention.

As shown in Figures 1 and 3, the automobile air conditioner damper assembly also includes an arc-shaped sealing layer arranged on the outer surface of the fan-shaped flat plate 11 or on the blower air intake housing 3, and the arc-shaped sealing layer is located on the arc-shaped rubber ring 4 away from the rotating shaft. On one side, the fan-shaped flat plate 11 and the blower inlet casing 3 can be sealed and fitted through the arc-shaped sealing layer. It should be noted that, in order to achieve a sealing effect, the above-mentioned arc-shaped sealing layer is squeezed between the outer surface of the fan-shaped flat plate 11 and the air inlet housing 3 of the blower. The utility model utilizes the arc-shaped sealing layer and the arc-shaped rubber ring 4 to realize double sealing on the rotating shafts on both sides of the internal and external circulation damper body 1, and the sealing performance is more reliable. Alternatively, the arc-shaped sealing layer can also be an L-shaped, V-shaped or other shaped sealing layer that can be arranged around the arc-shaped rubber ring 4 . The utility model can also not be provided with an arc-shaped sealing layer, and the sealing effect is only achieved through the arc-shaped rubber ring 4 .

Preferably, the arc-shaped sealing layer is an arc-shaped closed-cell sponge strip, and is arranged on the outer surface of the fan-shaped flat plate 11 . At this time, two arc-shaped closed-cell sponge strips are arranged on both sides of the internal and external circulation damper body 1 by bonding, and the arc-shaped closed-cell sponge strips are connected with strip-shaped closed-cell sponge layers to surround the edge of the internal and external circulation damper body 1 The entire circumferential arrangement. The compression force required for deformation of the closed-cell sponge is small, and it does not absorb water, is moisture-proof, and has good water resistance, which can achieve a better sealing effect. Alternatively, the above-mentioned arc-shaped sealing layer is also made of other materials capable of achieving sealing, such as polytetrafluoroethylene, rubber or open-pore sponge.

In addition, the damper assembly of the automobile air conditioner of the utility model has the advantages of relatively simple structure, not limited by space, easy engineering batch production, and low cost.

The embodiment of the utility model also provides an automobile air-conditioning system, including an air-conditioning damper assembly. The air-conditioning damper assembly is the automobile air-conditioning damper assembly provided in any one of the above-mentioned embodiments, which can improve the sealing effect of the damper, thereby ensuring the airtightness of the entire vehicle. Its advantages are brought by the damper assembly of the automobile air conditioner. For details, please refer to the relevant parts in the above embodiments, and details will not be repeated here.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. An automobile air-conditioning damper assembly, comprising a blower air intake housing (3) and an internal and external circulation damper body (1) rotatably arranged at the tuyere of the blower air intake housing (3); it is characterized in that , also includes a sealing rubber ring (5) arranged on the edge of the tuyere of the blower air inlet housing (3), and the sealing rubber ring (5) is provided with an edge for the inner and outer circulation damper body (1) to enter and exit There is a sealing groove in which there is a first lip sealingly engaged with the inner and outer circulation damper body (1). 2. The automobile air conditioner damper assembly according to claim 1, characterized in that, it also includes an air outlet edge arranged on the blower air inlet housing (3) and located outside the sealing rubber ring (5) or on the The outer sealing layer (2) on the outer surface of the edge of the internal and external circulation damper body (1), the blower air intake housing (3) and the internal and external circulation damper body (1) can pass through the outer sealing layer ( 2) Seal fit. 3. The automobile air conditioner damper assembly according to claim 2, characterized in that, the outer sealing layer (2) is a strip-shaped closed-cell sponge layer, and the outer edges of the two ends of the inner and outer circulation damper body (1) Strip-shaped pressing ribs (13) are arranged on the side surfaces, and the strip-shaped closed-cell sponge layers are arranged on both sides of the strip-shaped pressing ribs (13). 4. The automobile air conditioner damper assembly according to claim 1, wherein there are three first lips, which are respectively arranged on both sides and the bottom of the sealing groove. 5. The automobile air-conditioning damper assembly according to any one of claims 1-4, characterized in that, the internal and external circulation damper body (1) comprises two fan-shaped flat plates (11) arranged oppositely and connecting two said The arc-shaped plate (12) of the arc-shaped side of the fan-shaped flat plate (11), the fan-shaped flat plate (11) is rotatably connected with the blower air inlet casing (3) through a rotating shaft. 6. The automobile air-conditioning damper assembly according to claim 5, characterized in that, the outer surface of the fan-shaped flat plate (11) has arc-shaped ribs (14), and the blower fan inlet housing (3) An arc-shaped rubber ring (4) is provided, and an arc-shaped sealing groove that is slidingly matched with the arc-shaped rib (14) is provided on the arc-shaped rubber ring (4). The arc-shaped rib (14) seals the matched second lip. 7. The automobile air conditioner damper assembly according to claim 6, wherein there are three second lips, which are respectively arranged on both sides and the bottom of the arc-shaped sealing groove. 8. The automobile air conditioner damper assembly according to claim 6, further comprising an arc-shaped sealing layer arranged on the outer surface of the fan-shaped flat plate (11) or on the air inlet casing (3) of the blower , the arc-shaped sealing layer is located on the side of the arc-shaped rubber ring (4) away from the rotating shaft, and the fan-shaped flat plate (11) and the blower inlet housing (3) can be sealed through the arc Layer seal fit. 9. The automobile air conditioner damper assembly according to claim 8, characterized in that, the arc-shaped sealing layer is an arc-shaped closed-cell sponge strip, and is arranged on the outer surface of the fan-shaped flat plate (11). 10. An automobile air-conditioning system, comprising an air-conditioning damper assembly, characterized in that the air-conditioning damper assembly is the automobile air-conditioning damper assembly according to any one of claims 1-9.