Mute motor of electric curtain

Abstract

The utility model relates to a mute motor of an electric curtain, which comprises a motor assembly serving as a power source, a motor output head is arranged in front of the motor assembly, an aluminum pipe is connected onto the motor output head, the other end of the aluminum pipe is connected with a motor front insertion assembly, and the motor front insertion assembly comprises a motor inner end cover connected with a left side cover. The motor inner end cover is provided with a rear step and a front step, the rear step of the motor inner end cover is provided with a rolling bearing, the outer ring of the rolling bearing is connected with a crown, and the front step of the motor inner end cover is provided with a control part connecting piece. By arranging the rolling bearing on the inner end cover of the motor, the original rotation of the motor and the final driving of the aluminum pipe part to rotate are changed into rolling friction from the traditional plane friction between surfaces, so that the resistance is greatly reduced, the rotation of the aluminum pipe is smooth, the vibration of parts is avoided, the noise is finally reduced, the mute effect of the whole set of motor is realized, and the whole set of structure is simple.

Description

Technical Field

[0001] This utility model relates to the field of electric curtain manufacturing technology, and in particular to a silent motor for electric curtains. Background Technology

[0002] With the rapid development of the smart home industry and people's increasing pursuit of a high quality of life, electric curtains are now widely used. The core driving device of electric curtains is the motor, which drives the external winding structure to wind up the curtain fabric.

[0003] Currently, the vibrations inside the motor and the resonance of the motor contact parts generate noise when the motor is working.

[0004] Chinese Patent Publication (Announcement) No.: CN216981699U, Patent Title: Silent Motor and Electric Roller Shutter System Using Silent Motor, It discloses that "In order to achieve the above-mentioned purpose, the present utility model provides the following technical solution: a silent motor, the silent motor including: a motor, one end of the motor is connected to a gearbox through a second shock-absorbing structure, and one end of the gearbox is provided with a first shock-absorbing structure; The technical solution of “output shaft retainer, located at one end of the first damping structure, and sleeved on the outside of the output shaft; control component, located at the other end of the motor, one end of the control component is connected to the motor tailstock through the third damping structure; and outer tube, sleeved on the outside of the tube body composed of output shaft retainer, first damping structure, gearbox, motor, control component and third damping structure” achieves the technical effect of “0017] Compared with the prior art, the beneficial effect of this utility model is: the silent motor and the roller shutter using the silent motor proposed by this utility model isolate, block and absorb vibration through four different positions of the first damping structure, second damping structure, third damping structure and crown wheel accessories, so as to ensure that the resonance of the external roller shutter tube and the tubular motor is reduced, thereby reducing noise and vibration”.

[0005] However, it achieves noise and vibration reduction through three sets of damping structures, making the structure somewhat complex. Utility Model Content

[0006] The purpose of this invention is to provide a silent motor for electric curtains to solve the problems mentioned in the background art.

[0007] To solve the above-mentioned technical problems, this utility model is achieved through the following technical measures: a silent motor for an electric curtain, including a motor assembly as a power source, a motor output head provided at the front of the motor assembly, and an aluminum tube connected to the motor output head, characterized in that: the other end of the aluminum tube is connected to a motor front insertion assembly, the motor front insertion assembly includes a motor inner end cover connected to a left side cover, the motor inner end cover is provided with a rear step and a front step, a rolling bearing is provided on the rear step of the motor inner end cover, a crown is connected to the outer ring of the rolling bearing, and a control unit connector is installed on the front step of the motor inner end cover.

[0008] Compared with the prior art, the advantages of this utility model are: by setting a rolling bearing on the inner end cover of the motor, the original motor rotation eventually drives the aluminum tube to rotate, changing from the traditional surface friction to rolling friction, which greatly reduces the resistance, makes the aluminum tube rotate smoothly, and thus there is no vibration of the parts, which ultimately reduces the noise and achieves the effect of quiet operation of the entire motor. Moreover, the whole structure is simple.

[0009] As an improvement of this utility model, a guide groove is provided on the front step, and a guide rib is provided on the control unit connector. The purpose of this design is to achieve a fixed connection during installation by inserting the guide rib on the control unit connector into the guide groove on the front step of the motor inner end cover.

[0010] As an improvement of this utility model, a protruding retaining ring is provided on the end face of the control unit connector. The purpose of this design is that the protruding retaining ring can abut against the inner ring of the rolling bearing, thereby fixing the rolling bearing.

[0011] As an improvement of this utility model, a partition is provided inside the control unit connector, and a fixing hole is provided in the center of the partition. The purpose of this design is to fix the control unit connector to the positioning hole of the inner end cover of the motor using a locking screw through the fixing hole on the partition. Attached Figure Description

[0012] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0013] In the attached diagram:

[0014] Figure 1 This is a schematic diagram of the internal structure of the electric curtain described in this utility model.

[0015] Figure 2 Disassembly of the motor front insertion assembly described in this utility model Figure 1 .

[0016] Figure 3 Disassembly of the motor front insertion assembly described in this utility model Figure 2 .

[0017] Figure 4 This is a perspective view of the inner end cover of the motor described in this utility model.

[0018] Figure 5 This is a perspective view of the control unit connector described in this utility model.

[0019] Figure 6 is a perspective view of the aluminum tube described in this utility model.

[0020] Figure 7 is an exploded view of the electric curtain described in this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Motor assembly; 2. Motor output head; 3. Aluminum tube; 4. Motor front insertion assembly; 5. Left side cover; 6. Motor inner end cover; 7. Rear step; 8. Front step; 9. Rolling bearing; 10. Tubular motor; 11. Crown; 12. Control unit connector; 13. Guide groove; 14. Guide rib; 15. Retaining ring; 16. Tail insertion assembly; 17. Partition; 18. Fixing hole; 19. Locking screw; 20. Motor outer end cover; 21. Positioning hole; 22. Wedge-shaped buckle; 26. Right side cover; 27. Lithium battery; 28. Motor control module; 29. ​​Curtain cover. Detailed Implementation

[0022] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0023] Example 1

[0024] Please refer to Figure 1-7 .

[0025] This embodiment provides an electric curtain, including a curtain cover 29 as a cover. A left cover 5 and a right cover 26 are connected to the two ends of the curtain cover 29, respectively. An aluminum tube 3 connects the left cover 5 and the right cover 26. Specifically, the aluminum tube 3 is connected to the right cover 26 via a tail plug assembly 16. A tubular motor 10 is installed inside the aluminum tube 3. The tubular motor 10 includes a motor assembly 1 as a power source. The motor assembly 1 is controlled by a motor control module 28 to operate, stop, and rotate. A lithium battery 27, which provides energy, is connected to the rear of the motor assembly 1. A motor output head 2 is provided at the front of the motor assembly 1. An aluminum tube 3 (equivalent to a roller blind shaft) is connected to the motor output head 2. The other end of the aluminum tube 3 is connected to a front motor plug assembly 4 of the tubular motor 10. Further, a wedge-shaped buckle 22 is provided inside the aluminum tube 3, which engages and is fixed with a locking block 25 on the crown 11 of the front motor plug assembly 4, allowing for synchronous rotation.

[0026] In the embodiments of this utility model application, please refer to Figure 2 and Figure 3 The motor front insertion assembly 4 includes a motor inner end cover 6 connected to the left side cover 5. The motor inner end cover 6 is provided with a rear step 7 and a front step 8. A rolling bearing 9 is provided on the rear step 7 of the motor inner end cover 6. In this embodiment, there are two rolling bearings 9. A crown 11 is connected to the outer ring of the rolling bearing 9. A control unit connector 12 (which is connected to the motor control module 28) is installed on the front step 8 of the motor inner end cover 6.

[0027] In the embodiments of this utility model application, please refer to Figure 4 and Figure 5 The front step 8 is provided with two symmetrical guide grooves 13, and the control unit connector 12 is provided with two guide ribs 14. During installation, the guide ribs 14 on the control unit connector 12 are inserted into the guide grooves 13 on the front step 8 of the motor inner end cover 6 to achieve a preliminary fixed connection between the control unit connector 12 and the motor inner end cover 6.

[0028] Furthermore, a protruding retaining ring 15 is provided on the end face of the control unit connector 12. The protruding retaining ring 15 can abut against the inner ring of the rolling bearing 9, thereby fixing the lateral movement of the rolling bearing 9.

[0029] In the embodiments of this utility model application, please refer to Figure 5 The control unit connector 12 has a partition 17 inside, and a fixing hole 18 is provided in the center of the partition 17. The control unit connector 12 is fixed to the positioning hole 21 of the inner end cover 6 of the motor by using a locking screw 19 through the fixing hole 18 on the partition 17, thereby achieving the final fixation of the control unit connector 12 on the inner end cover 6 of the motor.

[0030] This embodiment provides a silent motor for an electric curtain. The motor output head 2 is connected as follows: it transmits rotational power by engaging with the crown 11 of the motor front insertion assembly 4 via a wedge-shaped buckle 22 inside the aluminum tube 3. One end of the motor inner end cover 6 is connected to the left side cover 5, and the other end of the motor inner end cover 6 is connected to the control unit connector 12. Furthermore, an outer end cover 20 is provided on the side of the motor inner end cover 6.

[0031] This embodiment provides a silent motor for an electric curtain. During operation, two rolling bearings 9 are installed on the inner end cover 6 of the motor, forming a rigid whole, resulting in a simple overall structure. When the motor output head 2 rotates, it can synchronously transmit the rotational power to the motor front insertion assembly 4. Compared to the traditional planar friction of the large and small head socket type, it becomes rolling friction. Even under the weight of the curtain, the motor front insertion assembly 4 can maintain its overall rigidity. In contrast, the concentricity of the traditional large and small head socket structure becomes uneven under the weight of the curtain over a long period, causing swaying or vibration during rotation, thus generating noise. This new structure changes from the traditional planar friction (large and small head socket type) to rolling friction, greatly reducing resistance and allowing the aluminum tube 3 to rotate smoothly, thus eliminating component vibration and ultimately reducing noise, achieving a silent motor effect.

[0032] In the description of this utility model, it should be noted that the terms "vertical", "up", "down", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0033] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A silent motor for an electric curtain, comprising a motor assembly (1) as a power source, a motor output head (2) disposed in front of the motor assembly (1), and an aluminum tube (3) connected to the motor output head (2), characterized in that: The other end of the aluminum tube (3) is connected to a motor front insertion assembly (4). The motor front insertion assembly (4) includes a motor inner end cover (6) connected to the left side cover (5). The motor inner end cover (6) is provided with a rear step (7) and a front step (8). A rolling bearing (9) is provided on the rear step (7) of the motor inner end cover (6). A crown (11) is connected to the outer ring of the rolling bearing (9). A control unit connector (12) is installed on the front step (8) of the motor inner end cover (6).

2. The silent motor for the electric curtain according to claim 1, characterized in that: The front step (8) is provided with a guide groove (13), and the control part connector (12) is provided with a guide rib (14).

3. The silent motor for the electric curtain according to claim 1, characterized in that: A protruding retaining ring (15) is provided on the end face of the control unit connector (12).

4. The silent motor for the electric curtain according to claim 1, characterized in that: The control unit connector (12) is provided with a partition (17), and a fixing hole (18) is provided in the center of the partition (17).

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