CN215096912U

CN215096912U - Air door mechanism

Info

Publication number: CN215096912U
Application number: CN202023336386.3U
Authority: CN
Inventors: 陈永彬; 孔建平; 陈文瀚; 蒋师伟
Original assignee: Mind Electronics Appliance Co Ltd
Current assignee: Mind Electronics Appliance Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-12-10
Anticipated expiration: 2030-12-31

Abstract

The utility model provides an air door mechanism, which comprises a housin, air door and transmission structure, a plurality of wind gaps of adjacent arrangement have on the casing, in the casing was located to the air door, the both ends of air door are retrained to slide for can following the spout of constructing on the casing, so that the air door switches between the wind gap, and be equipped with the air door rocking arm on the air door, transmission structure rotates and locates in the casing, and have and stretch out the linkage end that links to each other with external drive device outside the casing, and be equipped with in the transmission structure with air door rocking arm transmission complex driving arm, and can be in external drive device's ordering about down, it slides to drive the air door by transmission structure. The utility model discloses an air door mechanism slides in making the spout of air door on the casing to and make the air door rocking arm transmission cooperation on transmission structure's driving arm and the air door, with the realization orders about to the air door is gliding, can reduce whole mechanism from this and occupy in the ascending space of Z, thereby can do benefit to arranging thereof.

Description

Air door mechanism

Technical Field

The utility model relates to an automobile air conditioner technical field, in particular to air door mechanism.

Background

At present, in an air door mechanism of an automobile air conditioner, for example, an internal and external circulation air door mechanism, traditional internal and external circulation air doors in the market are all drum-type air doors, and switching between an internal circulation mode and an external circulation mode is realized by rotating the air doors at two different positions. The rotating angle and the rotating radius of the drum-type internal and external circulating air door determine the area of an internal and external circulating air inlet, and the larger the rotating angle and the rotating radius of the air door are, the larger the area of the air inlet is. However, the air conditioner occupies the space in the Z direction (height direction) by increasing the rotation radius of the air door, but the air conditioner is inconvenient to arrange due to the limitation of the arrangement space of the internal and external circulation air door shell. In addition, the sealing mode of the traditional internal and external circulation air door is realized by the extrusion between the sealing sponge bonded on the air door and the sealing surface of the shell, the sponge needs to be bonded on the air door manually, the labor intensity of workers is high, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an air door mechanism to can reduce and occupy in Z space to, do benefit to and arrange.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a damper mechanism comprising:

the shell is provided with a plurality of air ports which are adjacently arranged;

the air door is arranged in the shell, two ends of the air door are restrained to slide along a sliding groove formed in the shell so that the air door can be switched among the air ports, and an air door rocker arm is arranged on the air door;

the transmission structure is rotatably arranged in the shell and provided with a linkage end extending out of the shell and connected with an external driving device, a transmission arm matched with the rocker arm of the air door in a transmission manner is arranged in the transmission structure, and the transmission structure drives the air door to slide under the driving of the external driving device.

Further, the air door is the arc, the spout be with the arc wall that the air door set up along with the shape.

Furthermore, two ends of the air door are respectively provided with a convex sliding body, and the air door slides along the sliding groove through the sliding bodies.

Furthermore, the transmission structure includes a transmission rod rotatably arranged in the shell, the linkage end is formed by one end of the transmission rod, and the transmission arm is fixedly connected to the transmission rod.

Furthermore, a slide rail is arranged on the transmission arm, a slide block is arranged on the air door rocker arm, and the slide block is slidably arranged in the slide rail to form transmission fit between the transmission arm and the air door rocker arm.

Furthermore, the air door rocking arm is located for relatively two at air door both ends, the driving arm with the air door rocking arm sets up one-to-one.

Furthermore, elastic sealing bodies are arranged on two sides of the air door respectively, corresponding to the air ports, and first sealing surfaces which are respectively in one-to-one corresponding butt joint with the elastic sealing bodies on the two sides are arranged on the shell.

Furthermore, the elastic sealing body is a sealing glue which is integrated with the air door in an injection molding mode.

Furthermore, air door sealing surfaces are respectively arranged at two ends of the air door, the air door sealing surfaces corresponding to the ends are arranged on the shell, second sealing surfaces are arranged on the shell, and the air door sealing surfaces at the ends are in sliding butt joint with the corresponding second sealing surfaces.

Further, the casing includes left casing and right casing that the lock links to each other together, corresponding to that the air door both ends set up the spout branch is located left side casing with on the right side casing, just transmission structure rotates and locates left side casing with between the right side casing.

Compared with the prior art, the utility model discloses following advantage has:

air door mechanism slide in through making the spout of air door on the casing to and make the air door rocking arm transmission cooperation on transmission structure's driving arm and the air door, with the realization orders about to the air door is gliding, can reduce whole mechanism from this and occupy in the ascending space of Z, thereby can do benefit to arranging thereof.

Furthermore, the utility model discloses a slide rail on the driving arm to and the cooperation between the slider on the air door rocking arm, with by the transmission of driving arm and air door rocking arm, realize ordering about the slip of air door, also can make the air door operation in-process atress even, it is little influenced by external wind pressure, and can do benefit to and reduce the noise.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of a housing of an air door mechanism according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a left housing according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an air door according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the damper according to the embodiment of the present invention at another viewing angle;

fig. 5 is a schematic view of a transmission structure according to an embodiment of the present invention;

FIG. 6 is a schematic view of the mating of the damper seal surface and the second seal surface according to an embodiment of the present invention;

fig. 7 is a schematic view of the damper mechanism according to the embodiment of the present invention in an internal circulation state;

fig. 8 is a schematic view of an air door mechanism according to an embodiment of the present invention in an external circulation state;

fig. 9 is a schematic view of an applied state of the damper mechanism according to the embodiment of the present invention;

description of reference numerals:

1. a left housing; 2. a right housing; 3. a damper; 4. a transmission structure; 5. a filter; 6. an impeller; 7. a motor;

101. an inner circulation sealing surface; 102. an outer circulation seal face; 103. a chute; 104. an external circulation tuyere; 105. an internal circulation tuyere; 106. a second sealing surface;

301. a sliding body; 302. a damper rocker arm; 303. a slider 304, an elastic sealing body; 305. an abutting structure;

401. a transmission rod; 402. a drive arm; 403. a slide rail.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a damper mechanism, which comprises a shell, a damper 3 and a transmission structure 4 in the overall design.

Wherein, have a plurality of tuyeres of adjacent arrangement on the casing, air door 3 locates in the casing, and its both ends are retrained to be can follow the spout 103 slip that constructs on the casing to make air door 3 switch between each tuyere. In addition, the damper 3 is further provided with a damper rocker 302, the transmission structure 4 is rotatably disposed in the housing and has a linkage end extending outside the housing and connected to an external driving device, and the transmission structure 4 is also provided with a transmission arm 402 in transmission fit with the damper rocker 302, so that the damper 3 can be driven by the external driving device to slide by the transmission structure 4.

Based on the above overall structure, an exemplary structure of the damper mechanism of the present embodiment is shown in fig. 1 to 6, and in this exemplary structure, the number of the air ports located on the housing is specifically two, and is an inner circulation air port 104 and an outer circulation air port 105 in the automobile air conditioner, respectively. As a preferred embodiment, in this exemplary structure, the housing also specifically includes a left housing 1 and a right housing 2 connected together by snap fit, the sliding slots 103 corresponding to the two ends of the damper 3 are respectively disposed on the left housing 1 and the right housing 2, and the transmission structure 4 is rotatably disposed between the left housing 1 and the right housing 2.

In this embodiment, the left casing 1 and the right casing 2 can be connected together by a snap-fit connection, and form an inner circulation wind opening 104 and an outer circulation wind opening 105 respectively along with the connection. In addition, oppositely arranged mounting holes are also arranged on the side walls of the left shell 1 and the right shell 2, and the mounting holes on the two sides are used for arranging the transmission structure 4 in the shells.

As a preferred embodiment, the damper 3 of the present embodiment is also specifically arc-shaped, and the sliding slots 103 corresponding to the two ends of the damper 3 are correspondingly arc-shaped slots following the shape of the damper 3. At this time, the damper 3 slides along the sliding grooves 103 on both sides, so as to respectively close one of the inner circulation air opening 104 and the outer circulation air opening 105, or the damper 3 can slide between the two air openings, thereby simultaneously opening the inner circulation air opening 104 and the outer circulation air opening 105, so as to realize the air mixing of the inner circulation and the outer circulation.

As an exemplary embodiment, the sliding arrangement of the two ends of the damper 3 in the sliding groove 103 is embodied in a manner that convex sliding bodies 301 are respectively configured at the two ends of the damper 3, and the damper 3 slides along the sliding groove 103 through the sliding bodies 301. In practice, the sliding body 301 may be a cylindrical sliding column as shown in fig. 3 or fig. 4, or a conical sliding column may be used instead of the cylindrical sliding column. Instead of the columnar structure, the sliding body 301 may be a plate-like structure such as a sliding plate.

In this embodiment, as a preferred embodiment, the transmission structure 4 includes a transmission rod 401 rotatably disposed in the housing, the above-mentioned linkage end for connecting with the external driving device is formed by one end of the transmission rod 401, and the above-mentioned transmission arm 402 is also fixedly connected to the transmission rod 401. At this time, in detail, two ends of the transmission rod 401 are rotatably mounted in mounting holes on the side walls of the left casing 1 and the right casing 2, the external driving device is generally a damper control motor in an automobile air conditioner, and the transmission connection between the damper drive motor and the transmission rod 401 is implemented in a conventional manner.

In the transmission matching between the transmission arm 402 and the air door rocker arm 302, the embodiment also specifically includes that the transmission arm 402 is provided with a slide rail 403, the air door rocker arm 302 is correspondingly provided with a slide block 303, and the slide block 303 is slidably disposed in the slide rail 302, so as to form the transmission matching between the transmission arm 402 and the air door rocker arm 302. In practical implementation, the sliding rail 403 is preferably disposed through the actuator arm 302 and extends along the length direction of the actuator arm 302, and the sliding block 303 may have a generally circular cross section to reduce friction with the inner wall of the sliding rail 403.

Of course, in addition to the above-mentioned cooperation, the driving arm 402 and the damper rocker arm 302 of the present embodiment may also adopt other conventional structures to realize power transmission therebetween. In addition, in the embodiment, preferably, the two damper rocker arms 302 may be oppositely disposed at two ends of the damper 3, and the transmission arms 402 may be disposed in one-to-one correspondence with the damper rocker arms 302. In this way, when the external driving device drives the transmission rod 401 to transmit, the transmission arm 402 rotates along with the transmission rod, and thus the sliding of the sliding block 303 in the sliding rail 403 is performed, so as to drive the sliding of the damper 3.

In this embodiment, in order to ensure the sealing performance of the air door 3 during the use of the mechanism, the two sides of the air door 3 are also respectively provided with the elastic sealing bodies 304, and the shell is provided with the first sealing surfaces which are respectively in one-to-one abutting connection with the elastic sealing bodies 304 on the two sides, corresponding to the air ports. At this time, in the exemplary structure of the present embodiment, the first sealing surfaces, specifically, the inner circulation sealing surface 101 and the outer circulation sealing surface 102, which are provided corresponding to the respective tuyeres, that is, the inner circulation tuyere 104 and the outer circulation tuyere 105, respectively. And the inner circulation sealing surface 101 and the outer circulation sealing surface 102 are respectively arranged on two sides of the tuyere where the inner circulation sealing surface and the outer circulation sealing surface are respectively arranged, so as to be respectively abutted with the elastic sealing bodies 304 on two sides of the air door 3.

In specific implementation, the inner circulation sealing surface 101 and the outer circulation sealing surface 102 are respectively directly formed on the housing as shown in fig. 2, and the left housing 1 and the right housing 2 are respectively provided with one end of the inner circulation sealing surface 101 and one end of the outer circulation sealing surface 102, and form an integral sealing surface along with the engagement of the housings on the two sides. In addition, foretell elastic sealing body 304 then adopt with air door 3 secondary injection moulding become integrative sealed glue alright, and utilize this preparation mode, compare in the traditional mode of bonding the sponge sealing strip on air door 3, can reduce artifical intensity to do benefit to and promote production efficiency.

In addition to the sealing structure formed by the elastic sealing bodies 304 on both sides and the corresponding first sealing surfaces, the present embodiment further includes damper sealing surfaces respectively provided at both ends of the damper 3, and the second sealing surface 106 is also provided on the housing corresponding to the damper sealing surfaces at each end. Also referring to fig. 6, in particular implementations, the damper sealing surface at the end of the damper 3 may generally be formed by the end of an abutment structure 305 on the damper 3, with the damper sealing surface at each end in sliding abutment with the corresponding second sealing surface 106 to achieve a sealing effect with 0mm contact between the two sealing surfaces.

In the fan mechanism of the present embodiment, still taking the inner and outer circulation damper structure as an example, when in use, the inner circulation state can be as shown in fig. 7, and the outer circulation state can be as shown in fig. 8. In the two states, the elastic sealing bodies 304 on the two sides of the damper 3 are abutted against the corresponding first sealing surfaces, and the damper sealing surfaces on the two ends are abutted against the second sealing surface 106, so that a good sealing effect can be realized.

Meanwhile, as shown in fig. 9, when the impeller 6 is driven by the motor 7 to rotate, and the air current entering the air door mechanism flows downwards through the filter 5, due to the negative pressure generated at the impeller 6, the inner circulation air opening 104 or the outer circulation air opening 105 which is blocked and closed can also generate the acting force of the air door 3 which is pressed downwards, and the sealing abutting positions can be better connected, so that a better sealing effect is achieved.

It should be noted that, in addition to two air ports including the inner circulation air port 104 and the outer circulation air port 105, the air ports on the casing of the present embodiment may be designed in other numbers and also controlled to open and close by the sliding damper 3. Besides the structure of the internal and external circulation air door, the air door mechanism of the present embodiment can be used for the structures of the air door such as the face blowing, foot blowing, defrosting and cooling/heating air door in the automobile air conditioner.

The air door mechanism of this embodiment is through making air door 3 slide in the spout 103 on the casing to and make transmission structure 4's driving arm 402 and the air door rocking arm 302 transmission cooperation on the air door 3, in order to realize the gliding driving about to air door 3, can reduce whole mechanism from this and occupy in the ascending space of Z, can do benefit to its arranging, and have better practicality.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A damper mechanism, characterized in that: the method comprises the following steps:

the air door (3) is arranged in the shell, two ends of the air door (3) are constrained to slide along a sliding groove (103) formed in the shell so as to enable the air door (3) to be switched among the air ports, and an air door rocker arm (302) is arranged on the air door (3);

transmission structure (4), rotate locate in the casing to have stretch in the casing is outer in order to link to each other with external drive device's linkage end, just be equipped with in transmission structure (4) with air door rocking arm (302) transmission complex transmission arm (402), in under external drive device's the driving, transmission structure (4) can pass through transmission arm (402) drive air door (3) slide.

2. The damper mechanism of claim 1, wherein: the air door (3) is arc-shaped, and the sliding groove (103) is an arc-shaped groove arranged along with the air door (3).

3. The damper mechanism of claim 2, wherein: two ends of the air door (3) are respectively provided with a convex sliding body (301), and the air door (3) slides along the sliding groove (103) through the sliding body (301).

4. The damper mechanism of claim 1, wherein: drive structure (4) include in transfer line (401) that the casing internal rotation set up, the linkage end by the one end of transfer line (401) constitutes, just drive arm (402) link firmly in on transfer line (401).

5. The damper mechanism of claim 4, wherein: be equipped with slide rail (403) on driving arm (402), be equipped with slider (303) on air door rocking arm (302), just slider (303) slide and locate in slide rail (403) and constitute driving arm (402) with the transmission cooperation between air door rocking arm (302).

6. The damper mechanism of claim 5, wherein: the air door rocker arms (302) are oppositely arranged at two ends of the air door (3), and the transmission arms (402) are arranged in one-to-one correspondence with the air door rocker arms (302).

7. The damper mechanism of claim 1, wherein: elastic sealing bodies (304) are respectively arranged on two sides of the air door (3), and first sealing surfaces which are respectively in one-to-one corresponding butt joint with the elastic sealing bodies (304) on the two sides are arranged on the shell corresponding to the air openings.

8. The damper mechanism of claim 7, wherein: the elastic sealing body (304) is a sealing glue which is integrated with the air door (3) in an injection molding mode.

9. The damper mechanism of claim 7, wherein: and air door sealing surfaces are respectively arranged at two ends of the air door (3), the air door sealing surfaces corresponding to the ends are provided with second sealing surfaces (106) on the shell, and the air door sealing surfaces at the ends are in sliding butt joint with the corresponding second sealing surfaces (106).

10. The damper mechanism of any one of claims 1 to 9, wherein: the casing includes left casing (1) and right casing (2) that the lock links to each other together, corresponding to that air door (3) both ends set up spout (103) branch is located left side casing (1) with on right side casing (2), just transmission structure (4) rotate to be located left side casing (1) with between right side casing (2).