CN211106860U

CN211106860U - Air door actuator

Info

Publication number: CN211106860U
Application number: CN201920941342.1U
Authority: CN
Inventors: 陈金; 曾陈辉; 郭向雷; 徐鑫; 张佳尔
Original assignee: Ningbo Jinghua Electronics Technology Co ltd
Current assignee: Ningbo Jinghua Electronics Technology Co ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-07-28
Anticipated expiration: 2029-06-21

Abstract

The utility model relates to an air door actuator, which comprises a shell and an upper cover covered on the shell, wherein the shell comprises a shell cavity, a transmission mechanism positioned in the shell cavity and a limiting mechanism positioned on the transmission mechanism, the limiting mechanism comprises a blocking pad capable of changing thickness, the upper cover comprises a blocking rib which is arranged on the inner surface of the upper cover and can limit the blocking pad, when the transmission mechanism rotates to a certain angle, the blocking rib on the upper cover is attached to the blocking pad on the transmission mechanism, the blocking rib limits the movement of the blocking pad, thereby the actuator stops rotating, the blocking pad capable of changing thickness is arranged on the transmission mechanism, the free switching of different rotation angles of the actuator can be realized, the design structure of the actuator which can meet various specifications can be provided for factories, the actuator can be rapidly sampled when being developed in earlier stage, and the development period can be reduced, and the development cost is reduced, and the production efficiency of a factory is improved.

Description

Air door actuator

Technical Field

The utility model belongs to the technical field of the automobile parts technique and specifically relates to an air door executor is related to.

Background

The air door actuator is an automobile part and is a part for controlling the opening and closing of an air door and the air output, the structure of the automobile air conditioner air door actuator comprises a shell and a cover, a direct current motor, a gear transmission mechanism and a contact spring brush are installed in the shell, the contact spring brush is fixed on an output gear in the gear transmission mechanism, a copper foil circuit containing a reversing circuit is fixedly arranged on the cover, and after the cover is closed on the shell, the contact spring brush and the copper foil circuit of the reversing circuit form good electric contact. The working principle is as follows: the micro motor is electrified and then runs at a high speed, the speed is reduced through the gear train, finally the output gear outputs the wind door at a certain torque and rotating speed, and the rotating rod pushes the related wind door to realize the functions of opening and closing and angle conversion of the wind door of the automobile air conditioner. In the prior art, when an air door actuator is designed in a factory, after the air door actuator of one specification is designed, when another air door actuator needs to be designed, workers need to redesign and sample, namely, the air door actuators of different specifications need to independently complete the design process, so that the development time is long, the development cost is high, and the production efficiency of the factory is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can make a design fast, reduce development cycle is provided to reduce development cost's air door executor.

The utility model provides an air door executor, close the upper cover on the casing including casing and lid, the casing includes the casing chamber, is located the drive mechanism of casing intracavity and is located the stop gear on the drive mechanism, stop gear includes that one can change the shelves pad of thickness, the upper cover is including setting up on the upper cover internal surface and can spacing shelves the fender muscle that fills up.

The utility model has the advantages that: by adopting the air door actuator with the structure, when the transmission mechanism rotates to a certain angle, the blocking rib on the upper cover is attached to the blocking pad on the transmission mechanism, the blocking rib limits the movement of the blocking pad, so that the actuator stops rotating, the blocking pad which can change into thickness and thinness is arranged on the transmission mechanism, the free switching of different rotation angles of the actuator can be realized, if the blocking pad is thickened, the blocking rib and the blocking pad can be quickly attached, and the angle of the rotation angle of the actuator is reduced; if with the shelves pad attenuate, just so can make fender muscle and shelves pad laminate a bit slowly together, lead to the rotatory angle increase of executor, through this project organization, can provide the executor project organization that can satisfy the different specifications of many varieties for the mill, can make the executor can make an appearance fast when development in earlier stage like this, reduce development cycle to reduce development cost, improved the production efficiency of mill.

Preferably, the transmission mechanism comprises a motor positioned in the cavity of the shell, a primary gear connected with the motor, a secondary gear connected with the primary gear, a tertiary gear connected with the secondary gear and an output shaft positioned on the tertiary gear and connected with the tertiary gear, the blocking pad is positioned on the output shaft, by adopting the structure, the motor is controlled to rotate forwards and backwards through an external controller, the motor drives the primary gear to rotate, the primary gear drives the secondary gear to rotate, the secondary gear drives the tertiary gear to rotate, the tertiary gear drives the output shaft to rotate, when the output shaft rotates to a certain angle, the blocking rib meets the blocking pad, the blocking rib limits the movement of the blocking pad, thereby limiting the rotation of the output shaft, thus the actuator stops rotating towards one direction, the rotating angle of the output shaft can be changed by changing the thickness of the blocking pad on the output shaft, and thus the operating stroke of the actuator is further controlled, the structure is simple, and the operation is flexible and convenient.

As the priority, stop gear still includes the dog that supplies the shelves pad to inlay, adopts this structure, only needs to change the thickness of the shelves pad of inlaying on the dog, just can realize the free switching of executor rotation angle, easy operation, convenience.

Preferably, the blocking pad comprises a protrusion capable of being embedded into the block and blocking pieces positioned on two sides of the protrusion, the protrusion and the blocking pieces are of an integrally formed structure, the protrusion of the blocking pad is embedded into the block by adopting the structure, and the blocking pieces on two sides of the protrusion can be changed into variable thicknesses, so that the rotation angle of the actuator can be freely switched, and the blocking pad is simple in structure and convenient to operate.

As the priority, the dog includes two fender walls and is located between the fender walls and supplies the protruding shrinkage pool of embedding, adopts this structure, with the protruding embedding of shelves pad in the shrinkage pool of dog, the washer is laminated with the surface that keeps off the wall this moment, just so can firmly fix the shelves pad on the dog to can also satisfy the condition of easily taking off the shelves pad, this simple structure, convenient operation.

As the priority, the output shaft includes gear post boss and gear post, stop gear is located the gear post boss, adopt this structure, when the output shaft rotated certain angle, keep off the muscle and fill up with the shelves and meet, it has restricted a shelves pad motion to keep off the muscle, thereby restricted the output shaft and rotated, just so make the executor stop to move towards a direction, through the thickness that changes the shelves pad on the output shaft, just can change the rotatory angle size of output shaft, just so further control executor moving stroke, the aforesaid simple structure, it is nimble convenient to move.

Preferably, the cushion is a rubber cushion, and the rubber cushion can be used, so that the thickness of the cushion can be flexibly changed, and the cost is low.

Drawings

Fig. 1 is a schematic structural diagram of a housing of an air door actuator according to the present invention;

fig. 2 is a schematic structural view of an upper cover of an air door actuator according to the present invention;

fig. 3 is a schematic structural view of a tertiary gear in the air door actuator according to the present invention;

fig. 4 is a schematic structural view of a damper pad in an air door actuator according to the present invention;

as shown in the figure: 1. a housing; 2. an upper cover; 3. a housing cavity; 4. a blocking pad; 5. blocking ribs; 6. a motor; 7. a primary gear; 8. a secondary gear; 9. a third-stage gear; 10. an output shaft; 11. a stopper; 12. a protrusion; 13. a baffle plate; 14. a retaining wall; 15. concave holes; 16. a gear post boss; 17. a gear column.

Detailed Description

The invention is further described below with reference to the accompanying drawings in combination with the embodiments so that those skilled in the art can implement the invention with reference to the description, and the scope of the invention is not limited to the embodiments.

The utility model relates to an air door executor, as shown in fig. 3, close upper cover 2 on casing 1 including casing 1 and lid, as shown in fig. 1, casing 1 includes casing cavity 3, is located the drive mechanism of casing cavity 3 and is located the stop gear on the drive mechanism, stop gear includes that one can change the shelves pad 4 of thickness, as shown in fig. 2, upper cover 2 is including setting up on the internal surface of upper cover 2 and can spacing shelves pad 4 keep off muscle 5.

As shown in fig. 1, the transmission mechanism includes a motor 6 located in the housing cavity 3, a primary gear 7 connected to the motor 6, a secondary gear 8 connected to the primary gear 7, a tertiary gear 9 connected to the secondary gear 8, and an output shaft 10 located on the tertiary gear 9 and connected to the tertiary gear 9, and the pad 4 is located on the output shaft 10.

As shown in fig. 1, the external controller controls the motor 6 to rotate forward and backward, the motor 6 drives the first-stage gear 7 to rotate, the first-stage gear 7 drives the second-stage gear 8 to rotate, the second-stage gear 8 drives the third-stage gear 9 to rotate, the third-stage gear 9 drives the output shaft 10 to rotate, the blocking pad 4 is positioned on the output shaft 10, when the output shaft 10 rotates to a certain angle, the blocking rib 5 meets the blocking pad 4, the blocking rib 5 limits the blocking pad 4 to move continuously, so that the output shaft 10 is limited to rotate, the actuator stops rotating in one direction, if the blocking pad is thickened, the blocking rib and the blocking pad can meet quickly, the rotation of the output shaft 10 is limited, and the angle of the rotating angle of the actuator is reduced; if the stop pad 4 is thinned, the stop rib 5 and the stop pad 4 are gradually attached together, and the angle of rotation of the actuator is increased. The rotating angle of the output shaft 10 can be changed by changing the thickness of the baffle pad 4 on the output shaft 10, so that the running stroke of the actuator is further controlled. Therefore, the actuator can be subjected to rapid proofing during early development, the development period is shortened, the development cost is reduced, and the production efficiency of a factory is improved.

As shown in fig. 1 and 3, the limiting mechanism further includes a stop block 11 for embedding the stop pad 4, and the rotation angle of the actuator can be freely switched only by changing the thickness of the stop pad 4 embedded in the stop block 11, so that the operation is simple and convenient.

As shown in fig. 4, the cushion 4 includes a protrusion 12 capable of being inserted into the stopper 11 and stopper pieces 13 located at both sides of the protrusion 12, the protrusion 12 and the stopper pieces 13 are integrally formed, the protrusion of the cushion 4 is inserted into the stopper 11, and the stopper pieces 13 at both sides of the protrusion 12 can be changed in thickness, so that the rotation angle of the actuator can be freely switched, and the structure is simple and the operation is convenient.

As shown in fig. 3, the stopper 11 includes two retaining walls 14 and a concave hole 15 located between the retaining walls 14 and for the protrusion 12 to be inserted into, the protrusion 12 of the stopper 4 is inserted into the concave hole 15 of the stopper 11, and at this time, the stopper 13 is attached to the outer surface of the retaining wall 14, so that the stopper 4 can be firmly fixed on the stopper 11, and the easy removal of the stopper 4 can be satisfied.

As shown in fig. 1 and 3, the output shaft 10 includes a gear column boss 16 and a gear column 17, the limiting mechanism is located on the gear column boss 16, when the output shaft 10 rotates to a certain angle, the blocking rib 5 meets the blocking pad 4, the blocking rib 5 limits the movement of the blocking pad 4, thereby limiting the rotation of the output shaft 10, so that the actuator stops operating towards one direction, the rotating angle of the output shaft 10 can be changed by changing the thickness of the blocking pad 4 on the output shaft 10, so that the operating stroke of the actuator is further controlled, the structure is simple, and the operation is flexible and convenient.

As shown in fig. 1, the cushion 4 is a rubber cushion, and the thickness of the cushion 4 can be flexibly changed by using the rubber cushion, and the cost is low.

Claims

1. A throttle executor, includes casing (1) and covers upper cover (2) that closes on casing (1), its characterized in that: casing (1) includes casing chamber (3), is located the drive mechanism of casing chamber (3) and is located the stop gear on the drive mechanism, stop gear includes that one can change the shelves pad (4) of thickness, upper cover (2) are including setting up on the internal surface of upper cover (2) and can spacing fender muscle (5) of shelves pad (4).

2. A damper actuator as set forth in claim 1 wherein: the transmission mechanism comprises a motor (6) positioned in the shell cavity (3), a primary gear (7) connected with the motor (6), a secondary gear (8) connected with the primary gear (7), a tertiary gear (9) connected with the secondary gear (8) and an output shaft (10) positioned on the tertiary gear (9) and connected with the tertiary gear (9), and the gear cushion (4) is positioned on the output shaft (10).

3. A damper actuator as set forth in claim 1 wherein: the limiting mechanism also comprises a stop block (11) for embedding the stop pad (4).

4. A damper actuator as claimed in claim 1 or claim 3, wherein: the blocking pad (4) comprises a protrusion (12) capable of being embedded into the blocking block (11) and blocking pieces (13) positioned on two sides of the protrusion (12), and the protrusion (12) and the blocking pieces (13) are of an integrally formed structure.

5. A damper actuator as set forth in claim 4 wherein: the stopper (11) comprises two retaining walls (14) and a concave hole (15) which is positioned between the retaining walls (14) and is used for embedding the protrusion (12).

6. A damper actuator as claimed in claim 1 or claim 3, wherein: the output shaft (10) comprises a gear column boss (16) and a gear column (17), and the limiting mechanism is located on the gear column boss (16).

7. A damper actuator as claimed in claim 1 or claim 3, wherein: the blocking pad (4) is a rubber blocking pad.