CN218616162U - Automobile air conditioner air door actuator - Google Patents

Abstract

The application discloses an automobile air conditioner air door actuator, which comprises a plastic shell, a micro motor, a gear set, a position sensor, a large gear output shaft, a worm and a noise reduction layer, wherein the noise reduction layer is arranged on the inner wall of the plastic shell; the ventilation pipeline is arranged on the noise reduction layer and communicated with the inner cavity of the plastic shell and the outside, at least one pair of ventilation pipelines is arranged, and by adopting the technical scheme, in daily use, the noise is blocked in the plastic shell through the noise reduction layer, and the heat dissipation of the micromotor is ensured by matching with at least one pair of ventilation pipelines.

Description

Automobile air conditioner air door actuator

Technical Field

The utility model relates to an automobile air conditioner air door executor.

Background

The air door actuator of the automobile air conditioner, as the subsidiary part of the air conditioner, it is one of the indispensable spare parts of modern car, its function is mainly: according to different requirements of the wind direction of passengers in the automobile, the wind direction of the air outlet in the automobile is changed by adjusting the positions and the angles of different air doors of the automobile air conditioner. The existing automobile air conditioner air door actuator consists of a plastic shell, a micro motor, a gear set, a position sensor (a carbon film potentiometer), a gear wheel output shaft and other elements, wherein the output shaft of the micro motor is in transmission with the gear set, when the intensity of airflow flowing through an air conditioner air door is changed, the stress of a worm is also changed, the output shaft of a servo motor is caused to move to make a sound, and the comfort of passengers in an automobile is influenced;

the defect that does not solve aforementioned prior art and exists has appeared the chinese utility model patent that publication number is CNU a worm positioning mechanism of vehicle air conditioner air door executor, and it is through setting up butt part butt in the stopper, carries on spacingly to the free end of worm, and then limits servo motor's power output shaft's axial float, though it can be through setting up the output shaft float that the butt subassembly stops the motor by force, but its defect that exists is:

although can prevent the output shaft drunkenness of motor, nevertheless lead to the impact that the worm atress changes still to exist, long-time back of using, the stopper must be out of shape or loss because of friction and impact takes place, leads to the butt part rather than appearing the gap between, then, the output shaft of motor still can the drunkenness to butt part striking stopper still in the time of still can, produce bigger noise, can't solve the problem that prior art exists for a long time.

Disclosure of Invention

The utility model discloses aim at solving one of the technical problem who exists among the prior art.

The application provides an automotive air conditioning air door executor, including plastic casing, micromotor, gear train and position sensor, gear wheel output shaft and worm, still include:

the noise reduction layer is arranged on the inner wall of the plastic shell;

the air duct is arranged on the noise reduction layer and is communicated with the inner cavity of the plastic shell and the outside;

wherein, the air duct is equipped with at least a pair.

Further comprising:

the cushioning pad is fixedly arranged on the outer wall of the bottom of the plastic shell;

the mounting plate is provided with a plurality of mounting holes and is fixedly mounted on the bottom surface of the cushioning pad;

wherein, the shock absorption pad is mutually bonded with the plastic shell and the mounting plate.

The shock absorption pad is made of rubber.

The noise reduction layer is made of foamed aluminum.

Further comprising:

and the sound absorption grooves are arranged on the inner wall of the noise reduction layer.

Further comprising:

the plurality of partition plates are respectively arranged on the inner wall of each air duct in a staggered manner;

and air flow channels which are S-shaped and formed among the partition plates.

The utility model has the advantages as follows:

1. through the arrangement of the noise reduction layer made of foamed aluminum, the cushioning pad made of rubber and the mounting plate, consumed noise, vibration and impact are absorbed, and the influence of noise on passengers in the vehicle is reduced to the greatest extent;

2. through the arrangement of the air duct, the partition plate and the air flow channel, the heat dissipation of the micro motor is realized, and meanwhile, the noise reduction effect is ensured.

Drawings

FIG. 1 is a schematic structural diagram of an automotive air conditioning damper actuator according to an embodiment of the present application;

FIG. 2 isbase:Sub>A schematic cross-sectional view taken along the line A-A in FIG. 1;

fig. 3 is a schematic view of a part of the enlarged structure at B in fig. 1.

Reference numerals

1-plastic shell, 2-micromotor, 3-gear set, 4-position sensor, 5-big gear output shaft, 6-worm, 7-noise reduction layer, 8-air duct, 9-shock absorption pad, 10-mounting plate, 11-mounting hole, 12-sound absorption groove, 13-clapboard and 14-air flow channel.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application are capable of operation in sequences other than those illustrated or described herein, and that the terms "first," "second," etc. are generally used in a generic sense and do not limit the number of terms, e.g., a first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/", and generally means that the former and latter related objects are in an "or" relationship.

The server provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Example 1:

as shown in fig. 1 to fig. 3, an embodiment of the present application provides an automotive air conditioning damper actuator, which includes a plastic casing 1, a micro-motor 2, a gear set 3, a position sensor 4, a large gear output shaft 5, a worm 6, and a noise reduction layer 7, which is disposed on an inner wall of the plastic casing 1; and the air ducts 8 are arranged on the noise reduction layer 7 and are communicated with the inner cavity of the plastic shell 1 and the outside, and at least one pair of air ducts 8 are arranged.

Further, the shock absorption device also comprises a shock absorption pad 9 which is fixedly arranged on the outer wall of the bottom of the plastic shell 1; and the mounting plate 10 is provided with a plurality of mounting holes 11 and is fixedly mounted on the bottom surface of the shock absorption pad 9, and the shock absorption pad 9 is mutually bonded with the plastic shell 1 and the mounting plate 10.

Preferably, the shock absorption pad 9 is made of rubber.

In the embodiment of the application, due to the adoption of the structure, when the micro motor 2, the gear set 3 and the worm 6 are in matched transmission, the vibration generated by the micro motor 2 and the impact generated by the play of the output shaft of the micro motor 2 caused by the stress change of the worm 6 are buffered through the arrangement of the shock absorption pad 9, and the noise generated when the output shaft of the micro motor 2 moves and the noise generated when the worm wheel and the gear set 3 are in matched transmission is absorbed through the arrangement of the noise reduction layer 7, so that the comfort level of passengers in the vehicle is improved;

through the setting of vent pipe 8, make the air current can pass in and out 1 inner chamber of plastic housing, the unnecessary heat that produces when guaranteeing little motor 2 operation can be got rid of, avoids because of the setting of falling the noise floor 7, the heat that leads to little motor 2 operation to produce can't in time discharge, and the phenomenon that leads to little motor 2 life to shorten takes place.

Example 2:

in this embodiment, in addition to the structural features of the previous embodiments, the noise reduction layer 7 is preferably made of foamed aluminum.

Furthermore, the noise reduction device also comprises a plurality of sound absorption grooves 12 which are arranged on the inner wall of the noise reduction layer 7.

Furthermore, the device also comprises a plurality of baffle plates 13 which are respectively arranged on the inner wall of each ventilating pipeline 8 in a staggered way;

and air flow passages 14 formed between the respective partition plates 13 in an S-shape.

In the embodiment of the present application, due to the above structure, the foamed aluminum may be closed-cell foamed aluminum or through-hole foamed aluminum, so that the sound wave is reflected by the internal micropores to convert mechanical energy into heat energy to achieve the effect of noise reduction, and the effect of refraction consumption of the sound wave is further improved in cooperation with the sound absorption groove 12;

the sound waves entering the inner cavity of the ventilation pipeline 8 pass through the S-shaped air flow channel 14 and are refracted and consumed by the plurality of partition plates 13, so that the noise reduction effect is ensured under the condition of ensuring ventilation.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions recited, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. The utility model provides an automotive air conditioning air door executor, includes plastic casing (1), micromotor (2), gear train (3) and position sensor (4), gear wheel output shaft (5) and worm (6), its characterized in that still includes:

the noise reduction layer (7) is arranged on the inner wall of the plastic shell (1);

the ventilation pipeline (8) is arranged on the noise reduction layer (7) and is communicated with the inner cavity of the plastic shell (1) and the outside;

wherein at least one pair of the ventilation pipelines (8) is arranged.

2. An air conditioner door actuator for an automobile as set forth in claim 1, further comprising:

the shock absorption pad (9) is fixedly arranged on the outer wall of the bottom of the plastic shell (1);

the mounting plate (10) is provided with a plurality of mounting holes (11) and is fixedly mounted on the bottom surface of the cushioning pad (9);

wherein, the shock absorption pad (9) is mutually bonded with the plastic shell (1) and the mounting plate (10).

3. An air door actuator for an automobile air conditioner according to claim 2, wherein:

the shock absorption pad (9) is made of rubber.

4. An air door actuator for an automobile air conditioner according to any one of claims 1 to 3, wherein:

the noise reduction layer (7) is made of foamed aluminum.

5. An air conditioner door actuator for an automobile as set forth in claim 4, further comprising:

and the sound absorption grooves (12) are arranged on the inner wall of the noise reduction layer (7).

6. An air conditioner door actuator for an automobile as set forth in claim 4, further comprising:

the plurality of partition plates (13) are respectively arranged on the inner wall of each air duct (8) in a staggered manner;

and an air flow passage (14) formed between the separators (13) in an S-shape.

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