CN215637907U - Crank driving component, moving mechanism for air deflector and air conditioner - Google Patents

Abstract

The application relates to the technical field of air conditioning equipment and discloses a crank driving component. The crank drive member includes a crank having a rotating end and a free end; the driving element is in driving connection with the rotating end of the crank and is used for driving the crank to rotate bidirectionally; the crank driving component is used for being in sliding connection with the moving part of the air deflector so as to enable the air deflector to be opened or closed. The crank driving component has a simple structure and can be matched with a moving part of the air deflector to open or close the air deflector. The application also discloses a motion mechanism and an air conditioner for the aviation baffle.

Description

Crank driving component, moving mechanism for air deflector and air conditioner

Technical Field

The application relates to the technical field of air conditioners, in particular to a crank driving member, a moving mechanism for an air deflector and an air conditioner.

Background

At present, an air conditioner becomes an indispensable electric appliance in daily life and work of people, and people can meet the requirement of an air supply angle by adjusting the angle of an air deflector of the air conditioner.

In the prior art, a driving mechanism for adjusting an air supply angle of an air deflector generally comprises a driving component and a moving part, the driving component is connected with the moving part, the moving part is connected with the air deflector, a motor is arranged on the inner side wall of the air deflector, the driving part is used for driving the moving part to push the air deflector out of an air conditioner, the driving component is a driving structure with a gear, and after the air deflector extends out of the air conditioner, the motor rotates the air deflector, so that the air supply angle of the air deflector is adjusted.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

the driving component matched with the moving part of the air deflector has a complex structure, and no driving component with a simple structure matched with the moving part exists in the prior art, so that the air deflector can be opened or closed.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a crank driving component, a moving mechanism for an air deflector and an air conditioner, and aims to solve the problem of how to match the crank driving component with a moving part of the air deflector to open or close the air deflector.

In some embodiments, the crank drive member comprises a crank and a drive element, the crank having a rotational end and a free end; the driving element is in driving connection with the rotating end of the crank and is used for driving the crank to rotate bidirectionally; the crank driving component is used for being in sliding connection with the moving part of the air deflector so as to enable the air deflector to be opened or closed.

Optionally, a sliding column is arranged at a free end of the crank, and the sliding column is used for being in sliding connection with the moving part of the air deflector.

Optionally, the drive element comprises a bi-directionally driven stepper motor.

Optionally, the crank drive member further comprises a crank cover plate disposed between the crank and the drive element, the crank cover plate for defining a rotational trajectory of the crank.

Optionally, the inner side surface of the crank cover plate is provided with a first groove matched with the crank, and the free end of the crank abuts against the arc-shaped edge of the first groove.

Optionally, a connecting hole is formed in a central position of the first groove, and the connecting hole is used for fixing the crank and the driving element.

Optionally, a boss matched with the connecting hole is arranged at the rotating end of the crank, and the boss is clamped with the connecting hole.

Optionally, a second groove is formed in the boss, and the driving element is provided with a driving shaft fixed in the second groove, so that the driving element drives the crank to rotate.

In some embodiments, a motion mechanism for a wind deflector includes the crank drive member described above.

In some embodiments, the air conditioner includes the movement mechanism for the air deflector described above.

The crank driving component, the moving mechanism for the air deflector and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:

in an embodiment of the application, the crank driving member includes a crank and a driving element, the crank has a rotating end and a free end, the free end can rotate around the rotating end, the driving element is in driving connection with the rotating end of the crank, and the driving element can bidirectionally drive the crank, so that the crank can rotate along a first direction or a second direction, the crank can be in sliding connection with a moving part of the air deflector, and the moving part of the air deflector is connected with the air deflector. Therefore, the crank rotates to drive the moving part of the air deflector, so that the air deflector is opened or closed.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

FIG. 1 is a schematic view of a portion of a crank drive member provided in accordance with an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a crank provided in the embodiments of the present disclosure;

FIG. 3 is a schematic view of a portion of another crank drive member provided by an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of a link member provided in accordance with an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a link plate according to an embodiment of the present disclosure;

FIG. 6 is a schematic illustration of a portion of a link member according to an embodiment of the present disclosure;

FIG. 7 is a schematic structural view of a movement mechanism for an air deflection plate according to an embodiment of the present disclosure;

fig. 8 is a schematic view of a partial structure of an air conditioner according to an embodiment of the present disclosure.

Reference numerals:

10: a crank; 11: a sliding post; 12: a boss; 13: a second groove; 20: a first link; 21: a first sliding section; 211: a first slider; 212: a second slider; 213: a third slider; 22: a chute; 23: a first rotating shaft; 24: sinking a groove; 30: a second link; 31: a second sliding section; 311: a fourth slider; 312: a fifth slider; 32: a second rotating shaft; 40: a crank cover plate; 41: a first groove; 411: connecting holes; 50: a connecting rod bottom plate; 51: a rail portion; 511: a first track groove; 512: a second track groove; 513: a third track groove; 60: a drive element; 70: an air deflector.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

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

At present, a driving mechanism of the air deflector 70 generally includes a driving component and a moving part, the driving component is connected with the moving part, the moving part is connected with the air deflector 70, a motor is disposed on an inner side wall of the air deflector 70, the driving part is of a structure with a gear, the driving part is used for driving the moving part to push the air deflector 70 out of the air conditioner, and after the air deflector 70 extends out of the air conditioner, the motor can rotate the air deflector 70, so as to control an opening angle of the air deflector 70. The driving member has a complex structure, and the present application provides a driving member with a simple structure, i.e., a crank driving member, which can be slidably engaged with a simple moving part to open or close the air deflector 70. The crank driving member can be suitable for different types of air conditioners, such as household air conditioners or commercial air conditioners, and the embodiment of the application does not specifically limit the type of the air conditioner to which the crank driving member is adapted.

The disclosed embodiments provide a crank drive member, as shown in fig. 1-3.

In some embodiments, the crank drive member comprises a crank 10 and a drive element 60, the crank 10 having a rotational end and a free end; the driving element 60 is in driving connection with the rotating end of the crank 10, and the driving element 60 is used for driving the crank 10 to rotate bidirectionally; the crank drive member is adapted to slidably couple with the moving part of the air deflection plate 70 to open or close the air deflection plate 70.

In the embodiment of the present application, the crank driving member includes a crank 10 and a driving element 60, the crank 10 has a rotating end and a free end, the free end can rotate around the rotating end, the driving element 60 is drivingly connected to the rotating end of the crank 10, and the driving element 60 can bidirectionally drive the crank 10, so that the crank 10 can rotate in a first direction or a second direction, the crank 10 can be slidably connected to a moving part of the air deflector 70, and the moving part of the air deflector 70 is connected to the air deflector 70. Thus, the crank 10 rotates to drive the moving part of the air deflector 70, so that the air deflector 70 is opened or closed.

Optionally, the free end of the crank 10 is provided with a sliding post 11, the sliding post 11 being adapted to be slidably connected with the moving part of the air deflector 70.

As shown in fig. 2, the crank 10 is an integral structure having a rotating end and a free end, the free end can rotate around the rotating end, the rotating end is in driving connection with the driving element 60, the free end is provided with a sliding column 11, and the sliding column 11 can be in sliding connection with the moving part of the air deflector 70. Thus, by the rotation of the crank 10 around the rotation end, the free end of the crank 10 can drive the moving part of the air deflector 70 to move through the sliding column 11, so that the air deflector 70 is opened or closed.

Alternatively, the drive element 60 comprises a bi-directionally driven stepper motor.

In the embodiment of the present application, the driving element 60 may be a bi-directional driving stepping motor, and the stepping motor may control the rotation angle of the crank 10.

Optionally, the crank drive member further comprises a crank cover plate 40, the crank cover plate 40 being arranged between the crank 10 and the drive element 60, the crank cover plate 40 being adapted to define a rotational trajectory of the crank 10.

Crank apron 40 sets up between crank 10 and step motor, and the lateral surface of crank apron 40 is provided with step motor, and the medial surface of crank apron 40 is connected with crank 10, and crank 10's motion trail can be injectd to crank apron 40, makes crank 10's circular motion trail more accurate, can not receive the interference of other effort.

Optionally, the inner side of the crank cover plate 40 is provided with a first groove 41 matching the crank 10, and the free end of the crank 10 abuts the arc-shaped edge of the first groove 41.

As shown in fig. 3, the inner side surface of the crank cover plate 40 is provided with a first groove 41, and during the rotation of the crank 10, the free end of the crank 10 keeps a state of abutting against the arc-shaped edge of the first groove 41, wherein the abutting state does not cause a large friction force between the free end of the crank 10 and the arc-shaped edge of the first groove 41 to cause the crank 10 to be unable to rotate, but during the rotation of the crank 10, the free end of the crank 10 just contacts with the arc-shaped edge of the first groove 41, and the arc-shaped edge of the first groove 41 can ensure the circular motion track of the crank 10, so as to prevent the crank 10 from deviating the rotation track under the driving of other acting forces. It will be appreciated that the shape of the first recess 41 is a circular recess centered on the center of rotation of the crank 10.

Alternatively, a center position of the first recess 41 is provided with a coupling hole 411, and the coupling hole 411 is used to fix the crank 10 and the driving member 60.

The crank cover 40 is disposed between the crank 10 and the driving member 60, and a coupling hole 411 is formed at a central position of the first recess 41 of the crank cover 40 such that the crank 10 and the driving member 60 are coupled to the crank cover 40 through the coupling hole 411, and the coupling hole 411 serves to fix the crank 10 and the driving member 60.

Optionally, the rotating end of the crank 10 is provided with a boss 12 matching with the connecting hole 411, and the boss 12 is clamped with the connecting hole 411.

The rotating end of the crank 10 is connected with the crank cover plate 40, the rotating end of the crank 10 is provided with a boss 12 matched with the connecting hole 411, the boss 12 can be just clamped with the connecting hole 411 at the central position of the first groove 41, namely, the crank 10 can rotate around the connecting hole 411, and the crank cover plate 40 and the driving element 60 are fixed on the air conditioner during the rotation of the crank 10.

Optionally, a second recess 13 is provided in the boss 12, and the driving element 60 is provided with a driving shaft fixed in the second recess 13, so that the driving element 60 drives the crank 10 to rotate.

The second groove 13 is formed in the boss 12 of the crank 10, the driving element 60 is a stepping motor, and a driving shaft is disposed on a side surface of the stepping motor and can be fixed in the second groove 13, so that the stepping motor can drive the crank 10 to rotate and control the rotation angle of the crank 10.

As shown in fig. 2, the crank 10 has a free end and a rotating end, the rotating end of the crank 10 is provided with a boss 12, a second groove 13 is arranged in the boss 12, the second groove 13 of the crank 10 can be in driving connection with the driving shaft of the stepping motor, and the boss 12 of the crank 10 can be in clamping connection with the connecting hole 411 of the first groove 41, so that the crank cover plate 40 can be installed between the crank 10 and the stepping motor. The free end of the crank 10 is provided with a sliding column 11, the sliding column 11 can be matched with the sliding groove 22 on the moving part, the crank 10 is driven by the stepping motor to rotate, and the crank 10 drives the moving part to move while rotating, so that the air deflector 70 is opened or closed.

The disclosed embodiments also provide a moving part, i.e., a link member, cooperating with the crank driving member described above, as shown in fig. 4 to 6.

In some embodiments, the link member includes a first link 20, a second link 30, and a link base plate 50, the first link 20 being configured to be rotatably coupled to the air deflection plate 70 and slidably coupled to the driving member of the air deflection plate 70; the second connecting rod 30 is abutted against the first connecting rod 20, and the second connecting rod 30 is rotatably connected with the air deflector 70; the link base plate 50 is slidably connected to the first link 20 and the second link 30, and the link base plate 50 is used for defining a movement track of the first link 20 and the second link 30 to move the air deflector 70.

Alternatively, the first link 20 is provided with a first sliding portion 21, the link base plate 50 is provided with a rail portion 51, and the first sliding portion 21 is configured to move within the rail portion 51.

As shown in fig. 4, the first link 20 is shaped like a "T" and has a first side surface and a second side surface which are opposite to each other, the first side surface is provided with a sinking groove 24, the sinking groove 24 is provided with a first sliding portion 21, correspondingly, the link base plate 50 is provided with a track portion 51 which is matched with the first sliding portion 21, and the first sliding portion 21 can move in the track portion 51. Optionally, the first rotating shaft 23 is disposed at the end of the first connecting rod 20, and the first rotating shaft 23 is rotatably connected to the air deflector 70, so that the first connecting rod 20 can push the air deflector 70 to move through the connection of the first rotating shaft 23.

Optionally, the second side of the first link 20 is provided with a sliding slot 22, the sliding slot 22 being adapted to be slidably connected to the sliding post 11 of the crank 10. As shown in fig. 4, the sliding groove 22 is a straight line and is disposed at a lateral position of the T-shaped first link 20, i.e. at a top end of the first link 20, and the length of the sliding groove 22 can satisfy the sliding requirement of the sliding column 11. Under the driving of the crank driving member, the first link 20 can slide along the rail portion 51 of the link base plate 50, so that the air deflector 70 can be extended out of the air conditioner in a translational way along the extending direction of the rail portion 51 of the link base plate 50.

Alternatively, one side surface of the second link 30 abuts against the first link 20, and the other side surface of the second link 30 is provided with a second sliding portion 31, and the second sliding portion 31 is used for moving in the rail portion 51.

The second connecting rod 30 is disposed in the sinking groove 24 of the first connecting rod 20, one side surface of the second connecting rod 30 is abutted to the first connecting rod 20, the end of one side surface of the second connecting rod 30 is provided with a second rotating shaft 32, and the second rotating shaft 32 is rotatably connected to the air deflector 70. Alternatively, the other side surface of the second link 30 is provided with a second sliding portion 31, and the second sliding portion 31 is used for moving in the track portion 51. Thus, the first link 20 can move synchronously or relatively with the second link 30 by the driving means, and the air guide plate 70 can be moved.

Alternatively, the rail part 51 of the link base plate 50 includes a first rail groove 511, and a portion of the structures of the second sliding part 31 and the first sliding part 21 moves in the first rail groove 511 during the movement of the air deflection plate 70. Wherein, the first track groove 511 is disposed at the middle portion of the link base plate 50.

Optionally, the rail part 51 further includes a second rail groove 512 and a third rail groove 513, and the second rail groove 512 and the third rail groove 513 are respectively disposed at both sides of the first rail groove 511 and are parallel to the first rail groove 511. In the embodiment of the present application, the second track groove 512 and the third track groove 513 can be matched with the first track groove 511, thereby defining the translation direction of the first link 20, and at the same time, can provide a track for the relative movement of the first link 20 and the second link 30.

Alternatively, the length of the first rail groove 511 is greater than the length of the second rail groove 512 and the length of the third rail groove 513, respectively. Thus, the synchronous movement of the first link 20 and the second link 30 can be achieved during the translation of the wind deflector 70.

As shown in fig. 5, the track part 51 includes three tracks, namely a first track groove 511, a second track groove 512 and a third track groove 513, the three tracks are arranged in parallel, and the extending direction of the first track groove 511, the second track groove 512 and the third track groove 513 is the same as the direction in which the air deflector 70 is extended out of the air conditioner in a translation manner, that is, under the action of the driving member of the air deflector 70, the first link 20 and the second link 30 can move synchronously along the three tracks, so that the air deflector 70 is extended out of the air conditioner in a translation manner. The three track grooves of the link base plate 50 are simultaneously used to define the movement trace of the first link 20, and the first track groove 511 of the link base plate 50 is used to define the movement trace of the second link 30.

Alternatively, the first sliding portion 21 of the first link 20 includes a first slider 211, a second slider 212, and a third slider 213, the first slider 211 moving in the first track groove 511, the second slider 212 moving in the second track groove 512, and the third slider 213 moving in the third track groove 513.

As shown in fig. 6, the first side surface of the first link 20 is provided with a sinking groove 24, the top end in the sinking groove 24 is provided with a first sliding part 21 matched with the rail part 51 of the link base plate 50, the first sliding part 21 includes a first slider 211 matched with the first rail groove 511, a second slider 212 matched with the second rail groove 512, and a third slider 213 matched with the third rail groove 513, and the first slider 211, the second slider 212, and the third slider 213 are laterally arranged side by side.

Alternatively, the second sliding portion 31 of the second link 30 includes a fourth slider 311 and a fifth slider 312, and both the fourth slider 311 and the fifth slider 312 are disposed in the first track groove 511.

The second link 30 is disposed in the sinking groove 24 of the first link 20, one side surface of the second link 30 is abutted against the first link 20, the other side surface of the second link 30, that is, the side surface of the second link 30 adjacent to the link base plate 50 is provided with a second sliding portion 31, and the second sliding portion 31 is matched with the first track groove 511 of the link base plate 50. Alternatively, the second slider 31 includes a fourth slider 311 and a fifth slider 312, and both the fourth slider 311 and the fifth slider 312 are used to move within the first track groove 511. The fourth slider 311 and the fifth slider 312 are matched with the extending direction of the first track at the arrangement position of the second link 30.

Alternatively, when the air deflector 70 is closed, the first slider 211 is located at the beginning of the first track groove 511, the first slider 211 is located at the upper portion of the fourth slider 311, the second slider 212 is located at the beginning of the second track groove 512, and the third slider 213 is located at the beginning of the third track groove 513.

In the case where the air deflection plate 70 is closed, the first link 20 and the second link 30 are disposed at the following positions: the first slider 211, the second slider 212, and the third slider 213 of the first link 20 are located at the starting ends of the first track groove 511, the second track groove 512, and the third track groove 513, respectively, i.e., the first sliding portion 21 is located at the starting end of the track portion 51 of the link base plate 50. The fourth slider 311 of the second link 30 is disposed near the start end of the first track groove 511 and at the lower portion of the first slider 211, and the fifth slider 312 is disposed near the end of the first track groove 511. In the embodiment of the present application, the starting end of the track portion 51 is the end of the connecting rod base plate 50 away from the air deflector 70, and the tail end of the track portion 51 is the end of the connecting rod base plate 50 close to the air deflector 70.

The embodiment of the present disclosure further provides a moving mechanism for an air deflector, which includes the above-mentioned crank driving member, as shown in fig. 7.

In some embodiments, the movement mechanism for the air deflection plate 70 includes a crank drive member that cooperates with the moving components of the air deflection plate to translate the air deflection plate out of the air conditioner before rotating the air deflection plate.

Optionally, the crank drive member comprises a crank 10, a drive element 60 and a crank cover plate 40. Alternatively, the moving part of the air deflection plate may be a link member. The link member includes a first link 20, a second link 30, and a link base plate 50. Wherein, the connecting rod bottom plate 50 and the crank cover plate 40 are fixedly connected to form a shell which is fixed on the air conditioner. The crank 10 is arranged inside the housing, and the free end of the crank 10 is provided with a sliding post 11. The first connecting rod 20 and the second connecting rod 30 are partially arranged in the shell, a sliding groove 22 is formed in the top end of the first connecting rod 20, the sliding column 11 at the free end of the crank 10 can slide in the sliding groove 22, a first rotating shaft 23 is arranged at the tail end of the first connecting rod 20, the first rotating shaft 23 is rotatably connected with the air deflector 70, a second rotating shaft 32 is also arranged at the tail end of the second connecting rod 30, and the second rotating shaft 32 is rotatably connected with the air deflector 70. The link base plate 50 is provided with a rail portion 51, and the rail portion 51 can define the movement locus of the first link 20 and the second link 30.

In the embodiment of the present application, the movement track of the air deflector 70 is divided into two steps, first, the air deflector 70 is translated and extended out of the air conditioner to the maximum preset distance, and then, the air deflector 70 is rotated. The maximum preset distance is a distance that the air guide plate 70 can be opened upward or downward outside the air conditioner to a maximum angle.

The embodiment of the present disclosure also provides an air conditioner, as shown in fig. 8.

In some embodiments, the air conditioner includes the above-described movement mechanism for the air deflector 70. The motion mechanism for the air deflection plates 70 includes a crank drive member and may further include a motion component, which may be a link member, cooperating with the crank drive member. Optionally, the connecting rod member includes a first connecting rod 20, a second connecting rod 30 and a connecting rod bottom plate 50, the crank driving member includes a crank 10, a driving element and a crank cover plate 40, in the movement process of the air deflector 70, the connecting rod bottom plate 50 and the crank cover plate 40 are fixed to the air conditioner, and the crank 10 is driven by the driving element to rotate to drive the first connecting rod 20 and the second connecting rod 30 to move, so that the air deflector 70 is firstly translated and extended out of the air conditioner and then rotated.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A crank drive member for an air deflection plate, comprising:

a crank having a rotating end and a free end; and the combination of (a) and (b),

the driving element is in driving connection with the rotating end of the crank and is used for driving the crank to rotate bidirectionally;

the crank driving component is used for being in sliding connection with the moving part of the air deflector so as to enable the air deflector to be opened or closed.

2. Crank drive member according to claim 1,

and the free end of the crank is provided with a sliding column which is used for being in sliding connection with the moving part of the air deflector.

3. Crank drive member according to claim 1,

the driving element comprises a bi-directionally driven stepper motor.

4. A crank drive member as claimed in any one of claims 1 to 3, further comprising:

a crank cover plate disposed between the crank and the drive element, the crank cover plate for defining a rotational trajectory of the crank.

5. Crank drive member according to claim 4,

the inner side surface of the crank cover plate is provided with a first groove matched with the crank, and the free end of the crank is abutted to the arc-shaped edge of the first groove.

6. Crank drive member according to claim 5,

the first groove is provided with a connecting hole at a central position, and the connecting hole is used for fixing the crank and the driving element.

7. Crank drive member according to claim 6,

the rotary end of the crank is provided with a boss matched with the connecting hole, and the boss is clamped with the connecting hole.

8. Crank drive member according to claim 7,

the boss is internally provided with a second groove, the driving element is provided with a driving shaft, and the driving shaft is fixed in the second groove so that the driving element drives the crank to rotate.

9. A movement mechanism for a wind deflector, comprising a crank drive member according to any of claims 1 to 8.

10. An air conditioner comprising the moving mechanism for the air deflection plate according to claim 9.

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