A circuit board mounting assembly of a motor and a curtain motor

By placing the circuit board horizontally and utilizing the design of the support column, threaded holes, and positioning holes, the space occupation problem caused by the vertical setting of the circuit board in the curtain motor is solved, achieving the effects of miniaturization and convenient installation.

CN224367684UActive Publication Date: 2026-06-16XIJIA (ZHEJIANG) INTELLIGENT TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XIJIA (ZHEJIANG) INTELLIGENT TECHNOLOGY CO LTD
Filing Date
2025-06-23
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

In existing curtain motors, the dual-motor structure results in the circuit board being set vertically, taking up a lot of space and making it difficult to adapt to miniaturized designs.

Method used

The circuit board was redesigned to be horizontally mounted. Through the design of the partition and bottom cover, the circuit board was horizontally mounted using support columns, threaded holes and positioning holes, and fixed with bolts, reducing the space occupied in the vertical direction.

🎯Benefits of technology

It enables horizontal mounting of the circuit board, reduces the vertical volume of the curtain motor, adapts to the width of the dual-motor structure, and makes the installation process simple and convenient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a window curtain motor technical field discloses a circuit board mounting assembly and window curtain motor of motor, and its technical scheme main points are including shell and bottom cover, shell and bottom cover detachable connection, the integrated baffle that has in shell, at least forms a gap between baffle and shell inner wall, first circuit board and second circuit board horizontal setting, with the output shaft center axis direction perpendicular of motor, has reduced first circuit board and second circuit board in vertical direction's occupation space, and the structure width of adaptation double motor, thereby the overall volume is smaller, in addition, during the installation process, first circuit board can install on the baffle first, then install second circuit board on the bottom cover, install the bottom cover with shell again, and installation is convenient.
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Description

Technical Field

[0001] This utility model relates to the field of curtain motor technology, and more specifically to a circuit board mounting assembly for a motor and a curtain motor. Background Technology

[0002] Electric curtains use a curtain motor to move the curtain fabric, thus opening and closing the curtains. This makes the curtains intelligent, allowing for remote control or voice control. The curtains consist of a left curtain and a right curtain. When controlling the left and right curtains individually, a dual-motor structure needs to be installed in the curtain motor. The dual motors can achieve single and / or dual control of the left and right curtains.

[0003] In dual-motor curtain motors, the circuit board is usually set vertically. This setup results in the curtain motor occupying a large amount of space in the vertical direction and being quite long. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a circuit board mounting assembly for an electric motor and a curtain motor, for laying the circuit board horizontally.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a circuit board mounting assembly for a motor, comprising a housing and a bottom cover, wherein the housing and the bottom cover are detachably connected, a partition is integrally formed inside the housing, and at least one notch is formed between the partition and the inner wall of the housing, a first circuit board is mounted on the side of the partition facing the bottom cover, and a second circuit board is mounted on the side of the bottom cover facing the partition, wherein both the first circuit board and the second circuit board are arranged parallel to the partition.

[0006] As a further improvement of this utility model, the inner side of the bottom cover is integrally formed with a plurality of first pillars, the first pillars having first threaded holes, and the partition plate having first through holes corresponding to the first threaded holes.

[0007] As a further improvement of this utility model, the second circuit board is provided with a plurality of clearance holes, and the first support column passes through the corresponding clearance holes.

[0008] As a further improvement of this utility model, the partition plate has a protruding ring on the side facing the bottom cover that corresponds to the first support column, and the first support column extends into the corresponding protruding ring.

[0009] As a further improvement of this utility model, the inner side of the bottom cover is integrally formed with a plurality of second pillars, the second pillars are provided with second threaded holes, and the second circuit board is provided with second through holes corresponding to the second threaded holes.

[0010] As a further improvement of this utility model, the partition plate is integrally formed with a plurality of third pillars on the side facing the bottom cover, and the third pillars are provided with third threaded holes, and the first circuit board is provided with third through holes corresponding to the third threaded holes.

[0011] As a further improvement of this utility model, the inner side of the bottom cover is integrally formed with a plurality of first positioning posts, and the second circuit board is provided with first positioning holes adapted to the first positioning posts.

[0012] As a further improvement of this utility model, a wire outlet hole is provided on the bottom cover, and a wire pressing block is detachably connected inside the bottom cover.

[0013] As a further improvement of this utility model, the partition plate is integrally formed with a plurality of second positioning posts on the side facing the bottom cover, and the first circuit board is provided with second positioning holes adapted to the second positioning posts.

[0014] A curtain motor includes a circuit board mounting assembly for the motor described above.

[0015] The beneficial effects of this utility model are as follows: In this utility model, the first circuit board and the second circuit board are arranged horizontally and perpendicular to the central axis of the output shaft of the motor, which reduces the space occupied by the first circuit board and the second circuit board in the vertical direction and adapts to the structural width of the dual motor, thus making the overall volume smaller; in addition, during the installation process, the first circuit board can be installed on the partition first, then the second circuit board can be installed on the bottom cover, and then the bottom cover and the outer shell can be installed, which is convenient for installation. Attached Figure Description

[0016] Figure 1 This is a cross-sectional view of the present invention;

[0017] Figure 2 This is a schematic diagram showing the installation positions of the bottom cover, the first circuit board, and the second circuit board in this utility model.

[0018] Figure 3 This is a schematic diagram of the outer shell structure in this utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the bottom cover of this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the second circuit board in this utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the first circuit board in this utility model.

[0022] Reference numerals: 1. Outer shell; 11. Partition plate; 111. First through hole; 12. Notch; 13. Third support column; 131. Third threaded hole; 14. Second positioning post; 2. Bottom cover; 21. First support column; 211. First threaded hole; 22. Second support column; 221. Second threaded hole; 23. First positioning post; 24. Cable outlet hole; 25. Wire clamping block; 3. First circuit board; 31. Third through hole; 32. Second positioning hole; 4. Second circuit board; 41. Clearance hole; 42. Second through hole; 43. First positioning hole. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Identical components are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0024] Reference Figures 1 to 6 As shown, a circuit board mounting assembly for a motor according to this embodiment includes a housing 1 and a bottom cover 2. The housing 1 and the bottom cover 2 are detachably connected, wherein the detachable connection between the housing 1 and the bottom cover 2 can be achieved by a snap-fit ​​mechanism.

[0025] The outer shell 1 has an integrally formed partition 11. At least one notch 12 is formed between the partition 11 and the inner wall of the outer shell 1, so that the partition 11 divides the space inside the outer shell 1 into an upper cavity and a lower cavity. The notch 12 allows the upper cavity and the lower cavity to communicate. The motor is installed in the upper cavity and the circuit board is installed in the lower cavity. Wiring can be run through the notch 12 so that the motor and the circuit board are electrically connected to realize control and power supply.

[0026] A first circuit board 3 is installed on the side of the partition 11 facing the bottom cover 2, and a second circuit board 4 is installed on the side of the bottom cover 2 facing the partition 11. Both the first circuit board 3 and the second circuit board 4 are arranged parallel to the partition 11. The first circuit board 3 can be a power board, and the second circuit board 4 can be a control board. The first circuit board 3 is located above the second circuit board 4.

[0027] The first circuit board 3 and the second circuit board 4 are horizontally arranged and perpendicular to the central axis of the motor's output shaft, which reduces the space occupied by the first circuit board 3 and the second circuit board 4 in the vertical direction and adapts to the structural width of the dual motors, thus making the overall volume smaller. In addition, during the installation process, the first circuit board 3 can be installed on the partition 11 first, then the second circuit board 4 can be installed on the bottom cover 2, and then the bottom cover 2 can be installed on the outer shell 1, which is convenient for installation.

[0028] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, preferably, the outer shell 1 and the bottom cover 2 are detachably connected by bolts. The bottom cover 2 has a plurality of first pillars 21 integrally formed on its inner side. The first pillars 21 are provided with first threaded holes 211. The partition 11 is provided with first through holes 111 corresponding to the first threaded holes 211. There are four first pillars 21, which form a rectangle. After the bolt passes through the first through hole 111, it is threadedly connected to the corresponding first threaded hole 211, thereby fixing the partition 11 and the bottom cover 2, and fixing the bottom cover 2 and the outer shell 1.

[0029] Reference Figure 5 and Figure 6 As shown, the second circuit board 4 has a plurality of clearance holes 41, and the number of clearance holes 41 is four. The first support 21 passes through the corresponding clearance holes 41. Preferably, the clearance holes 41 are formed on the side of the second circuit board 4 and are not closed circular holes, so as to facilitate the installation of the second circuit board 4. The first support 21 and the clearance holes 41 cooperate to limit the second circuit board 4.

[0030] In addition, multiple limiting holes are also provided on the first circuit board 3. The limiting holes correspond to the clearance holes 41, and there are four limiting holes. The first support column 21 passes through the corresponding limiting holes, which are also provided on the side of the first circuit board 3, thus limiting the first circuit board 3.

[0031] The partition 11 has a protruding ring on the side facing the bottom cover 2 that corresponds to the first support 21. The first support 21 extends into the corresponding protruding ring, and the protruding ring limits the first support 21 to prevent it from shaking and facilitates the connection of bolts.

[0032] Reference Figure 4 and Figure 5 As shown, the inner side of the bottom cover 2 is integrally formed with multiple second pillars 22. The second pillars 22 are provided with second threaded holes 221. The second circuit board 4 is provided with second through holes 42 corresponding to the second threaded holes 221. There are two second pillars 22, which are located on the diagonal of the second circuit board 4. The bottom cover 2 and the second circuit board 4 are installed by bolts. After the bolts pass through the second through holes 42, they are threadedly connected to the corresponding second threaded holes 221.

[0033] The bottom cover 2 has multiple first positioning posts 23 integrally formed on its inner side. The second circuit board 4 has first positioning holes 43 that are adapted to the first positioning posts 23. There are two first positioning posts 23, which are located on the diagonal of the second circuit board 4. The line connecting the two first positioning posts 23 intersects the line connecting the two second support posts 22. The cooperation between the first positioning posts 23 and the first positioning holes 43 realizes the installation and positioning of the second circuit board 4. Furthermore, the cooperation between the first positioning posts 23 and the first support posts 21 increases the stability of the installation of the second circuit board 4.

[0034] Reference Figure 3 and Figure 6 As shown, the partition 11 has a plurality of third pillars 13 integrally formed on the side facing the bottom cover 2. There are two third pillars 13, which are located on the diagonal of the first circuit board 3. The third pillars 13 are provided with third threaded holes 131. The first circuit board 3 is provided with third through holes 31 corresponding to the third threaded holes 131. The bolt passes through the third through holes 31 and is threadedly connected to the corresponding third threaded holes 131, thereby fixing the first circuit board 3.

[0035] The partition 11 has multiple second positioning posts 14 integrally formed on the side facing the bottom cover 2. The first circuit board 3 has a second positioning hole 32 adapted to the second positioning posts 14. There are two second positioning posts 14, which are located on the diagonal of the first circuit board 3. The line connecting the two second positioning posts 14 intersects the line connecting the two third pillars 13. The cooperation between the second positioning posts 14 and the second positioning hole 32 realizes the positioning of the first circuit board 3.

[0036] Reference Figure 1 and Figure 4 As shown, the bottom cover 2 has a cable outlet hole 24, through which the power cord can exit. The bottom cover 2 is detachably connected to a wire clamping block 25. The wire clamping block 25 has two through holes, forming two fourth pillars on the bottom cover 2. The fourth pillars have fourth threaded holes. Bolts pass through the through holes and are threaded into the corresponding fourth threaded holes to fix the wire clamping block 25, thereby pressing the power cord tightly.

[0037] A curtain motor includes a circuit board mounting assembly for the motor described above.

[0038] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within its protection scope.

Claims

1. A circuit board mounting assembly for an electric motor, characterized in that: The device includes an outer shell (1) and a bottom cover (2). The outer shell (1) and the bottom cover (2) are detachably connected. A partition (11) is integrally formed inside the outer shell (1). At least one notch (12) is formed between the partition (11) and the inner wall of the outer shell (1). A first circuit board (3) is installed on the side of the partition (11) facing the bottom cover (2). A second circuit board (4) is installed on the side of the bottom cover (2) facing the partition (11). Both the first circuit board (3) and the second circuit board (4) are arranged parallel to the partition (11).

2. The circuit board mounting assembly for a motor according to claim 1, characterized in that: The bottom cover (2) has a plurality of first pillars (21) integrally formed on its inner side. The first pillars (21) are provided with first threaded holes (211), and the partition (11) is provided with first through holes (111) corresponding to the first threaded holes (211).

3. The circuit board mounting assembly for a motor according to claim 2, characterized in that: The second circuit board (4) has a plurality of clearance holes (41), and the first support (21) passes through the corresponding clearance holes (41).

4. The circuit board mounting assembly for a motor according to claim 2, characterized in that: The partition (11) has a protruding ring on the side facing the bottom cover (2) that corresponds to the first support (21), and the first support (21) extends into the corresponding protruding ring.

5. The circuit board mounting assembly for a motor according to claim 1, characterized in that: The bottom cover (2) has multiple second pillars (22) integrally formed on its inner side. The second pillars (22) have second threaded holes (221) and the second circuit board (4) has second through holes (42) corresponding to the second threaded holes (221).

6. The circuit board mounting assembly for a motor according to claim 1, characterized in that: The partition (11) has a plurality of third pillars (13) integrally formed on the side facing the bottom cover (2). The third pillars (13) are provided with third threaded holes (131), and the first circuit board (3) is provided with third through holes (31) corresponding to the third threaded holes (131).

7. The circuit board mounting assembly for a motor according to claim 1, characterized in that: The bottom cover (2) has a plurality of first positioning posts (23) integrally formed on its inner side, and the second circuit board (4) has a first positioning hole (43) adapted to the first positioning posts (23).

8. The circuit board mounting assembly for a motor according to claim 1, characterized in that: The bottom cover (2) has a wire outlet hole (24), and a wire pressing block (25) is detachably connected inside the bottom cover (2).

9. The circuit board mounting assembly for a motor according to claim 1, characterized in that: The partition (11) has a plurality of second positioning posts (14) integrally formed on the side facing the bottom cover (2), and the first circuit board (3) has a second positioning hole (32) adapted to the second positioning posts (14).

10. A curtain motor, characterized in that: Includes a circuit board mounting assembly for an electric motor as described in any one of claims 1 to 9.