阅读说明：本技术 一种减震的联轴器结构及升降机构 (Damped shaft coupling structure and elevating system ) 是由 张飞 贠涛 于来水 于 2021-09-17 设计创作，主要内容包括：本发明涉及一种减震的联轴器结构及升降机构,其包括：第一联轴器本体,其一端部用于与电机的输出轴固定；联轴器缓冲垫,其设于所述第一联轴器本体内,且所述联轴器缓冲垫可与所述第一联轴器本体同步转动,所述联轴器缓冲垫用于减弱从所述电机的输出轴传递过来的振动；第二联轴器本体,其设于所述联轴器缓冲垫内,使所述联轴器缓冲垫夹设于所述第二联轴器本体与所述第一联轴器本体之间,且所述第二联轴器本体可与所述联轴器缓冲垫同步转动,所述第二联轴器本体用于与蜗杆的一端部固定,因此,通过第一联轴器本体、第二联轴器本体和联轴器缓冲垫隔断电机运行时的振动传递路径,可以降低整个升降机构运行的噪音。(The invention relates to a shock-absorbing coupling structure and a lifting mechanism, comprising: one end of the first coupling body is used for being fixed with an output shaft of the motor; a coupling cushion pad provided in the first coupling body and capable of rotating in synchronization with the first coupling body, the coupling cushion pad being configured to attenuate vibration transmitted from an output shaft of the motor; the second coupler body is arranged in the coupler cushion pad, so that the coupler cushion pad is clamped between the second coupler body and the first coupler body, the second coupler body can synchronously rotate with the coupler cushion pad, and the second coupler body is used for being fixed with one end of the worm, so that a vibration transmission path when the motor runs is separated through the first coupler body, the second coupler body and the coupler cushion pad, and the running noise of the whole lifting mechanism can be reduced.)

1. A damped coupling structure, comprising:

a first coupling body (1) having one end fixed to an output shaft (41) of a motor (4);

the coupling buffer cushion (3) is arranged in the first coupling body (1), the coupling buffer cushion (3) can synchronously rotate with the first coupling body (1), and the coupling buffer cushion (3) is used for weakening vibration transmitted from an output shaft (41) of the motor (4);

the second coupler body (2) is arranged in the coupler buffer pads (3), so that the coupler buffer pads (3) are clamped between the second coupler body (2) and the first coupler body (1), the second coupler body (2) can synchronously rotate with the coupler buffer pads (3), and the second coupler body (2) is used for being fixed with one end part of the worm (5).

2. The damped coupling structure according to claim 1, wherein the first coupling body (1) comprises:

the fixing part (11) is provided with a first synchronous hole, and the first synchronous hole is used for being in interference fit with an output shaft (41) of the motor (4);

the synchronous part (12) is fixed to the fixing part (11) on one side, the outer diameter of the synchronous part (12) is larger than that of the fixing part (11), a first synchronous groove (121) is formed in the other side of the synchronous part (12), the coupler buffer pad (3) is accommodated in the first synchronous groove (121), the shape of the inner contour of the first synchronous groove (121) is non-circular, and the shape of the inner contour of the first synchronous groove (121) is matched with the structure of the outer contour of the coupler buffer pad (3).

3. The damped coupling structure according to claim 2, wherein:

the shape of the inner contour of the first synchronization groove (121) is cross-shaped, and the structure of the outer contour of the coupling buffer pad (3) is cross-shaped.

4. The damped coupling structure according to claim 3, wherein:

the coupler buffer pad (3) is provided with a first buffer part (31) and a second buffer part (32), the first buffer part (31) and the second buffer part (32) are mutually perpendicular to form a cross structure, two end faces of the first buffer part (31) are respectively provided with a first arc surface, two end faces of the second buffer part (32) are respectively provided with the first arc surface, and a position corresponding to the first arc surface in a first synchronization groove (121) is provided with a second arc surface matched with the first arc surface.

5. The damped coupling structure according to claim 2, wherein:

and a gap is reserved between the outer side wall of the coupler buffer pad (3) and the inner side wall of the first synchronization groove (121).

6. The damped coupling structure according to claim 1, wherein:

second synchronization groove (33) have been seted up in shaft coupling blotter (3), the interior profile shape of second synchronization groove (33) is the cross, the outer profile structure of second shaft coupling body (2) is the cross structure, second shaft coupling body (2) insert in second synchronization groove (33).

7. The damped coupling structure according to claim 6, wherein:

the bottom surface of the second synchronous groove (33) is provided with a through hole (34), and the through hole (34) is coaxial with the first synchronous hole.

8. The damped coupling structure according to claim 6, wherein:

the inner contour wall of the second synchronization groove (33) is in contact with the outer contour wall of the second coupling body (2).

9. The damped coupling structure according to claim 1, wherein:

the second coupler body (2) is provided with a second synchronous hole (21), the second synchronous hole (21) is in a waist-shaped hole, and the second synchronous hole (21) is used for being fixed with one end of the worm (5).

10. A lifting mechanism, comprising:

a motor (4) for powering the lifting mechanism;

a first coupling body (1) fixed to an output shaft (41) of the motor (4);

the coupling buffer cushion (3) is arranged in the first coupling body (1), the coupling buffer cushion (3) can synchronously rotate with the first coupling body (1), and the coupling buffer cushion (3) is used for weakening vibration transmitted from an output shaft (41) of the motor (4);

the second coupler body (2) is arranged in the coupler buffer cushion (3), so that the coupler buffer cushion (3) is clamped between the second coupler body (2) and the first coupler body (1), and the second coupler body (2) and the coupler buffer cushion (3) can synchronously rotate;

a worm (5) having one end fixed to the second coupling body (2);

and the lifting structure is meshed with the worm (5) through a gear, and is used for driving the central control screen to ascend or descend.

Technical Field

The invention relates to the field of automobile parts, in particular to a damping coupling structure and a lifting mechanism.

Background

With the increasing year by year of new energy vehicle brands, the application range of electronic products in the vehicle is wider and wider, the large central control screen is used as a component with higher use frequency and attention of passengers, the appearance and the function of the large central control screen are different day by day, the size of the screen is larger and larger, and the integrated functions are more and more. Most of the central control screens of the traditional automobiles cannot be moved.

In the related art, a movable central control screen is developed by part of vehicle enterprises, for example, the central control screen of the audi a3 can realize the Z-direction lifting function, the central control screen of the bingli continental GT can realize the overturning function, and the central control large-size triple screen and the instrument panel of the lanqian tree can realize the lifting function with the angle up and down.

However, in the case of the movable center control panel, the noise level and sound quality during the movement directly affect the use feeling of passengers, and a considerable part of the noise is generated by the motor driving the movement of the center control panel. Generally, the larger the size of the moving part, the heavier the load, the higher the power of the motor, and the louder the motor is during movement. Taking lan chart FREE as an example, the length of a control screen in the vehicle exceeds 1 meter, the whole screen, a left air outlet, a right air outlet, an instrument panel upper coating part, a loudspeaker, a camera and other parts assembled on the upper part can move up and down together, the total weight of the parts exceeds 10kg, the integral running noise is higher, and the existing vehicle type in the market basically has no similar lifting mechanism capable of bearing, so that no scheme for reducing the running noise is provided.

Disclosure of Invention

The embodiment of the invention provides a damping coupler structure and a lifting mechanism, which are used for solving the problem of higher noise in the lifting process of a control screen in an automobile in the related technology.

In a first aspect, a damped coupling structure is provided, comprising: one end of the first coupling body is used for being fixed with an output shaft of the motor; a coupling cushion pad provided in the first coupling body and capable of rotating in synchronization with the first coupling body, the coupling cushion pad being configured to attenuate vibration transmitted from an output shaft of the motor; the second coupler body is arranged in the coupler cushion pad, so that the coupler cushion pad is clamped between the second coupler body and the first coupler body, the second coupler body can synchronously rotate with the coupler cushion pad, and the second coupler body is used for being fixed with one end part of the worm.

In some embodiments, the first coupling body comprises: the fixing part is provided with a first synchronous hole, and the first synchronous hole is used for being in interference fit with an output shaft of the motor; the synchronous part, its one side with the fixed part is fixed, the external diameter of synchronous part is greater than the external diameter of fixed part, first synchronization groove has been seted up to the opposite side of synchronous part, first synchronization groove holds the shaft coupling blotter, the shape of the profile in the first synchronization groove is non-circular, and the shape of the profile in the first synchronization groove with the structure phase-match of shaft coupling blotter outline.

In some embodiments, the first synchronization groove inner contour is cross-shaped, and the coupling cushion outer contour is cross-shaped.

In some embodiments, the coupler cushion pad has a first buffer portion and a second buffer portion, the first buffer portion and the second buffer portion are perpendicular to each other to form a cross structure, two end faces of the first buffer portion respectively have first arc surfaces, two end faces of the second buffer portion respectively have the first arc surfaces, and a second arc surface adapted to the first arc surface is disposed at a position corresponding to the first arc surface in the first synchronization groove.

In some embodiments, there is a gap between the outer sidewall of the coupling cushion and the inner sidewall of the first synchronization groove.

In some embodiments, the coupling cushion pad defines a second synchronization slot, an inner contour of the second synchronization slot is cross-shaped, an outer contour of the second coupling body is cross-shaped, and the second coupling body is inserted into the second synchronization slot.

In some embodiments, the bottom surface of the second synchronization groove is provided with a through hole, and the through hole is coaxial with the first synchronization hole.

In some embodiments, the inner contour wall of the second synchronizing slot conforms to the outer contour wall of the second coupling body.

In some embodiments, the second coupling body defines a second synchronization hole, the second synchronization hole is shaped as a kidney-shaped hole, and the second synchronization hole is configured to be fixed to an end of the worm.

In a second aspect, there is provided a lift mechanism comprising: the motor is used for providing power for the lifting mechanism; the first coupling body is fixed with an output shaft of the motor; a coupling cushion pad provided in the first coupling body and capable of rotating in synchronization with the first coupling body, the coupling cushion pad being configured to attenuate vibration transmitted from an output shaft of the motor; the second coupler body is arranged in the coupler buffer cushion, so that the coupler buffer cushion is clamped between the second coupler body and the first coupler body, and the second coupler body and the coupler buffer cushion can synchronously rotate; a worm having one end fixed to the second coupling body; and the lifting structure is meshed with the worm through a gear and is used for driving the central control screen to ascend or descend.

The technical scheme provided by the invention has the beneficial effects that:

the embodiment of the invention provides a shock-absorbing coupling structure and a lifting mechanism, wherein one end part of a first coupling body is fixed with an output shaft of a motor, a coupling buffer cushion is clamped between the first coupling body and a second coupling body, the first coupling body, the coupling buffer cushion and the second coupling body can synchronously rotate, when the motor drives the first coupling body to rotate, the vibration of the output shaft of the motor is transmitted to the coupling buffer cushion, and the coupling buffer cushion can weaken the vibration.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a shock-absorbing coupling structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a lifting mechanism according to an embodiment of the present invention.

In the figure:

1. a first coupling body; 11. a fixed part; 12. a synchronization section; 121. a first synchronization slot; 2. a second coupling body; 21. a second synchronization hole; 3. a coupling cushion; 31. a first buffer section; 32. a second buffer section; 33. a second synchronization slot; 34. a through hole; 4. a motor; 41. an output shaft; 5. a worm.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The embodiment of the invention provides a damping coupler structure and a lifting mechanism, which can solve the problem of higher noise in the lifting process of a control screen in an automobile in the related art.

Referring to fig. 1 and 2, a shock-absorbing coupling structure according to an embodiment of the present invention may include: one end part of the first coupling body 1 can be fixed with an output shaft 41 of the motor 4, and the first coupling body 1 can rotate along with the output shaft 41 of the motor 4; the coupling buffer cushion 3 can be arranged in the first coupling body 1, the coupling buffer cushion 3 can synchronously rotate with the first coupling body 1, the coupling buffer cushion 3 can be made of rubber materials, the rubber materials have good elasticity, can absorb external force deformation and can recover the original shape after the external force is removed, and the coupling buffer cushion 3 can be used for weakening vibration transmitted from the output shaft 41 of the motor 4; the second coupler body 2 can be arranged in the coupler cushion 3, the coupler cushion 3 can be clamped between the second coupler body 2 and the first coupler body 1, the second coupler body 2 can synchronously rotate with the coupler cushion 3, the second coupler body 2 can be fixed with one end of the worm 5, when the output shaft 41 of the motor 4 rotates, the first coupler body 1 can be driven to rotate, the vibration on the output shaft 41 of the motor 4 can be transmitted to the first coupler body 1, the first coupler body 1 can drive the coupler cushion 3 to synchronously rotate, the vibration can be transmitted to the coupler cushion 3 from the first coupler body 1, the coupler cushion 3 can weaken the vibration effect, so that the noise is reduced, and meanwhile, the coupler cushion 3 can drive the second coupler body 2 to synchronously rotate, the second coupler body 2 can drive the worm 5 to synchronously rotate, so that the coupler cushion pad 3 is clamped between the first coupler body 1 and the second coupler body 2, a vibration transmission path can be cut off when the motor 4 runs, vibration can be prevented from being transmitted to the central control screen, noise generated by the running of the whole lifting mechanism can be reduced, and the noise value of the whole running of the lifting mechanism can be reduced from 45dB (A) -53 dB (A) to 37dB (A) -42 dB (A).

Referring to fig. 1 and 2, in some embodiments, the first coupling body 1 may comprise: the fixing portion 11, in this embodiment, the fixing portion 11 may be a cylindrical structure, in other embodiments, the fixing portion 11 may be another structure, one end of the fixing portion 11 may be provided with a first synchronization hole, the first synchronization hole may be in interference fit with the output shaft 41 of the motor 4, and the fixing portion 11 may rotate synchronously with the output shaft 41 of the motor 4; the synchronizing part 12, one side of which can be fixed to the other end of the fixing part 11, in this embodiment, the synchronizing part 12 can be a cylindrical structure, in other embodiments, the synchronizing part 12 can be another structure, the outer diameter of the synchronizing part 12 can be larger than the outer diameter of the fixing part 11, one side of the synchronizing part 12 away from the fixing part 11 can be provided with a first synchronizing slot 121, the first synchronizing slot 121 can accommodate the coupling cushion 3, the shape of the inner contour of the first synchronizing slot 121 can be non-circular, and the shape of the inner contour of the first synchronizing slot 121 can be matched with the structure of the outer contour of the coupling cushion 3, when the first coupling body 1 rotates, the first synchronizing slot 121 can drive the coupling cushion 3 to rotate synchronously, and it can be ensured that the coupling cushion 3 and the output shaft 41 of the motor 4 rotate synchronously.

Referring to fig. 1, in some embodiments, the inner contour of the first synchronization slot 121 may have a cross shape, meanwhile, the outer contour structure of the coupler cushion pad 3 can be a cross structure, the coupler cushion pad 3 can be inserted into the first synchronization groove 121, the cross outer contour structure of the coupler cushion pad 3 can correspond to the cross inner contour of the first synchronization groove 121 one by one, when the first synchronization groove 121 rotates, the inner contour edge of the first synchronization groove 121 can push the outer contour edge of the coupler cushion pad 3, the first synchronization groove 121 can push the coupler cushion pad 3 to rotate, the synchronous rotation effect of the structure is good, in some embodiments, the inner contour shape of the first synchronization slot 121 may also be a non-circular shape, meanwhile, the outer contour structure of the coupling buffer 3 may be in a shape matched with the inner contour of the first synchronization groove 121, and the first coupling body 1 and the coupling buffer 3 may rotate synchronously.

Referring to fig. 1, in some embodiments, the coupling cushion 3 may have a first buffer portion 31 and a second buffer portion 32, the first buffer portion 31 may be disposed to intersect with the second buffer portion 32, and in this embodiment, the first buffer portion 31 and the second buffer portion 32 are perpendicular to each other to form a cross-shaped structure, in other embodiments, the first buffer portion 31 may not be perpendicular to the second buffer portion 32, the first buffer portion 31 and the second buffer portion 32 may intersect at an intermediate position of the first buffer portion 31 and the second buffer portion 32, two end surfaces of the first buffer portion 31 may respectively have a first arc surface, two end surfaces of the second buffer portion 32 may also respectively have a first arc surface, a position corresponding to the first arc surface in the first synchronization groove 121 may be provided with a second arc surface adapted to the first arc surface, and therefore, a portion of the coupling cushion 3 contacting with the first coupling body 1 is arc-to-arc contact, the synchronous rotation of the coupler buffer cushion 3 and the first coupler body 1 can be smoother during rotation.

Referring to fig. 1 and 2, in some embodiments, a gap may be provided between the outer sidewall of the coupling cushion 3 and the inner sidewall of the first synchronization groove 121, the gap is small, only the coupler cushion 3 can slightly shake, and the coupler cushion 3 can be attached to the bottom surface of the first synchronization groove 121, when the first coupling body 1 rotates, the first coupling body 1 drives the coupling buffer 3 to move synchronously, meanwhile, the vibration on the first coupling body 1 is transmitted to the coupling buffer 3, in the process of transmitting vibration, the gap between the outer side wall of the coupling buffer 3 and the inner side wall of the first synchronization groove 121 can counteract part of the vibration, further weaken the vibration transmitted from the output shaft 41 of the motor 4, the coupling buffer 3 can be attached to the bottom surface of the first synchronization groove 121, the synchronous rotating structure of the first coupling body 1 and the coupling buffer cushion 3 can be more stable.

Referring to fig. 1 and 2, in some embodiments, the coupler cushion pad 3 may be provided with a second synchronizing groove 33, and an opening of the second synchronizing groove 33 faces a direction away from the fixing portion 11, in this embodiment, an inner contour of the second synchronizing groove 33 may be cross-shaped, an outer contour of the second coupler body 2 may be cross-shaped, and the second coupler body 2 may be inserted into the second synchronizing groove 33, such that the coupler cushion pad 3 is interposed between the first coupler body 1 and the second coupler body 2, that is, a side wall of the second synchronizing groove 33 is interposed between a side wall of the first coupler body 1 and a side wall of the second coupler body 2, a bottom of the second synchronizing groove 33 is interposed between a bottom surface of the first synchronizing groove 121 and a bottom surface of the second coupler body 2, and the second synchronizing groove 33 may push the second coupler body 2 to rotate, meanwhile, the structure can enable the synchronous rotation structure to be more stable, and when the coupler cushion pad 3 rotates, the second synchronous groove 33 can enable the second coupler body 2 and the coupler cushion pad 3 to rotate synchronously.

Referring to fig. 1 and 2, in some embodiments, the bottom surface of the second synchronization groove 33 may be provided with a through hole 34, and the through hole 34 may be coaxial with the first synchronization hole, the through hole 34 may provide a deformation space for the coupling cushion 3, when the coupling cushion 3 receives vibration transmitted from the output shaft 41 of the motor 4, the coupling cushion 3 is deformed by force and contracts in a direction close to the axis of the through hole 34, so as to further reduce the vibration effect, and meanwhile, the through hole 34 may be coaxial with the first synchronization hole, so that the coupling cushion 3 and the first coupling body 1 rotate around the same axis, and the synchronous rotation effect of the coupling cushion 3 and the first coupling body 1 is further improved.

Referring to fig. 1 and 2, in some embodiments, the inner contour wall of the second synchronization groove 33 may be attached to the outer contour wall of the second coupling body 2, so that the connection structure between the coupling buffer 3 and the second coupling body 2 may be more stable, and when the coupling buffer 3 rotates, the coupling buffer 3 drives the second coupling body 2 to rotate synchronously, so that the synchronous rotation process is more stable.

Referring to fig. 1 and 2, in some embodiments, the second coupling body 2 may be provided with a second synchronization hole 21, the second synchronization hole 21 is a non-circular hole, the cross-sectional shape of the inner contour of the second synchronization hole 21 is similar to a rectangle, and two sides with smaller lengths are arc sections, that is, the second synchronizing hole 21 may be shaped as a kidney-shaped hole, one end portion of the worm 5 may be inserted into the second synchronizing hole 21, and is fixed with the second coupling body 2, when the second coupling body 2 rotates, the second coupling body 2 can drive the worm 5 to synchronously rotate through the second synchronous hole 21, and the axis of the second synchronizing hole 21 may coincide with the axis of the through hole 34 and the axis of the first synchronizing hole, the first coupler body 1, the coupler cushion pad 3 and the second coupler body 2 can rotate around the same axis, so that the whole coupler structure is more stable in the synchronous rotating process.

Referring to fig. 2, a lifting mechanism according to an embodiment of the present invention may include: the motor 4 can provide power for the lifting mechanism; the first coupler body 1 can be fixed with an output shaft 41 of the motor 4 in an interference fit manner, and the first coupler body 1 can synchronously rotate along with the output shaft 41 of the motor 4; the coupler buffer cushion 3, the coupler buffer cushion 3 can be arranged in the first coupler body 1, and the coupler buffer cushion 3 can rotate synchronously with the first coupler body 1, namely the coupler buffer cushion 3 and the output shaft 41 of the motor 4 can also rotate synchronously, the vibration of the output shaft 41 of the motor 4 can also be transmitted to the coupler buffer cushion 3, and the coupler buffer cushion 3 can play a role in weakening the vibration effect; the second coupler body 2 can be provided with a coupler cushion pad 3, so that the coupler cushion pad 3 is clamped between the second coupler body 2 and the first coupler body 1, and the second coupler body 2 and the coupler cushion pad 3 can synchronously rotate; one end of the worm 5 can be fixed with the second coupling body 2, and the worm 5 can synchronously rotate with the second coupling body 2; the lifting mechanism can cut off a vibration transmission path when the motor 4 runs through the first coupler body 1, the second coupler body 2 and the coupler cushion 3, so that the purpose of reducing the running noise of the whole lifting mechanism is achieved, and the noise value of the whole running of the lifting mechanism can be reduced from 45dB (A) -53 dB (A) to 37dB (A) -42 dB (A).

The principles of the shock-absorbing coupling structure and the lifting mechanism provided by the embodiment of the invention are as follows:

because the first coupling body 1 comprises the fixing portion 11 and the synchronizing portion 12, one side of the fixing portion 11 can be fixed with one side of the synchronizing portion 12, the fixing portion 11 is provided with a first synchronizing hole, the first synchronizing hole can be in interference fit with the output shaft 41 of the motor 4, the first coupling body 1 can synchronously rotate with the output shaft 41 of the motor 4, one side of the synchronizing portion 12 away from the fixing portion 11 can be provided with a first synchronizing groove 121, the inner contour of the first synchronizing groove 121 is cross-shaped, the coupling buffer 3 can be accommodated in the first synchronizing groove 121, the outer contour of the coupling buffer 3 is cross-shaped, the outer contour of the coupling buffer 3 is slightly smaller than the inner contour of the first synchronizing groove 121, a gap is formed between the inner side wall of the first synchronizing groove 121 and the outer side wall of the coupling buffer 3, the space of the gap is small, and only the coupling buffer 3 slightly shakes, through the above arrangement, the coupler cushion pad 3 and the first coupler body 1 can rotate synchronously, the coupler cushion pad 3 can be provided with a second synchronization groove 33, the inner contour shape of the second synchronization groove 33 can be cross-shaped, the opening of the second synchronization groove 33 faces the direction away from the fixing portion 11, the outer contour shape of the second coupler body 2 can also be cross-shaped, the second coupler body 2 can be inserted into the second synchronization groove 33, when the coupler cushion pad 3 rotates, the second synchronization groove 33 can enable the second coupler body 2 and the coupler cushion pad 3 to rotate synchronously, the coupler cushion pad 3 can be clamped between the second coupler body 2 and the first coupler body 1, the second coupler body 2 can be provided with a second synchronization hole 21, the second synchronization hole 21 can be a waist-shaped hole, and the second synchronization hole 21 can be fixed with one end portion of the worm 5, the lifting structure can be meshed with the worm 5 through a gear, the lifting structure can drive the first coupler body 1, the second coupler body 2 and the coupler cushion pad 3 to synchronously rotate through the power provided by the motor 4, the second coupler body 2 drives the worm 5 to synchronously rotate, the worm 5 drives the lifting structure to ascend or descend through the meshing with the gear, meanwhile, when the output shaft 41 of the motor 4 rotates, the vibration on the output shaft 41 of the motor 4 can be transmitted to the first coupler body 1, the first coupler body 1 can drive the coupler cushion pad 3 to synchronously rotate, the vibration can be transmitted to the coupler cushion pad 3 from the first coupler body 1, the coupler cushion pad 3 can weaken the vibration effect, and the noise is reduced, therefore, the coupler cushion pad 3 is clamped between the first coupler body 1 and the second coupler body 2, the path of vibration transmission can be cut off when the motor 4 runs, the vibration can be prevented from being transmitted to the central control screen, the noise generated by the running of the whole lifting mechanism can be reduced, and the noise value of the whole running of the lifting mechanism can be reduced from 45dB (A) -53 dB (A) to 37dB (A) -42 dB (A).

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.