Transmission case for opening and closing curtain

Abstract

The utility model relates to the technical field of electric curtains, and discloses an opening and closing curtain transmission case which is characterized by comprising a shell, an upper cavity and a lower cavity are formed in the shell, a transmission assembly connected with a belt and a motor is arranged in the lower cavity, and a first opening is formed in one side of the shell and used for communicating the upper cavity with a lamp groove of a track. The upper cavity and the lower cavity are formed in the shell, and in the upper cavity, wires can be routed to the first opening, so that connection with the lamp groove is facilitated; through the upper cavity and the lower cavity, the transmission assembly and the wiring are separated and do not interfere with each other, and a large space can be provided for designing a connecting structure between the motor and the lamp strip.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric curtain technical field more specifically relates to a transmission box of open and close curtain. BACKGROUND

[0002] Electric curtain is deeply loved by people, and it is connected with main transmission box through motor, and the motor drives the curtain to move through the transmission mechanism in the main transmission box, so as to realize the opening and closing function of the curtain; in order to increase the use experience of the curtain, the lamp strip is increased on the curtain track, and the lamp strip is generally directed to the indoor, so as to be used by the user in different scenes;

[0003] The motor supplies power to the lamp strip on the track through the transmission box, and the motor is connected with the transmission assembly to realize the opening and closing function of the curtain; the motor and the lamp strip need to be wired, which will interfere with the transmission assembly. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims at providing a transmission box of open and close curtain for avoiding the interference between wiring and transmission assembly.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a transmission box of open and close curtain, including the casing, the upper cavity and the lower cavity are formed in the casing, the transmission assembly for connecting the belt and the motor is arranged in the lower cavity, a first opening is formed in one side of the casing to communicate the upper cavity and the lamp groove of the track.

[0006] As a further improvement of the utility model, the casing includes an outer shell and an inner shell, the inner shell is detachably connected with the outer shell, and at least part of the inner shell extends into the outer shell, so that the upper cavity and the lower cavity are formed in the outer shell.

[0007] As a further improvement of the utility model, a second opening is formed in the side of the outer shell away from the motor, and at least part of the inner shell extends into the outer shell through the second opening.

[0008] As a further improvement of the utility model, a power supply plate is detachably connected in the upper cavity, and the power supply plate is electrically connected with the motor.

[0009] As a further improvement of the utility model, a pin header is electrically connected on the power supply plate, and the pin header is exposed from the casing.

[0010] As a further improvement of the utility model, an electric wire is electrically connected on the power supply plate, and a lamp strip connector is connected to one end of the electric wire away from the power supply plate.

[0011] As a further improvement of the utility model, the transmission assembly comprises an input shaft and an output gear, a transmission part is in transmission connection between the input shaft and the output gear, the central axis of the input shaft coincides with the central straight line of the motor, and the central axis of the output gear is perpendicular to the central axis of the motor.

[0012] As a further improvement of the utility model, the transmission part comprises a helical gear shaft, the helical gear shaft is in mutual perpendicular engagement with the input shaft, a first transmission gear is connected to the helical gear shaft, a second transmission gear is connected to the output gear, and the first transmission gear is in engagement with the second transmission gear.

[0013] As a further improvement of the utility model, an inner spline or an outer spline is formed on the end of the input shaft close to the motor.

[0014] As a further improvement of the utility model, a terminal hook is detachably connected to the shell.

[0015] The utility model discloses beneficial effects: the utility model discloses form upper cavity and lower cavity in the shell, in the upper cavity, can thread to first opening, be convenient for with the connection of lamp groove, through upper cavity and lower cavity, separate transmission assembly and thread, and the both do not interfere with each other, can have greater space and can design the connecting structure between motor and lamp strip. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic view that the utility model is connected with the rail;

[0017] Figure 2 It is the three-dimensional structure schematic view of the utility model;

[0018] Figure 3 It is the sectional view of the utility model;

[0019] Figure 4 It is the structure schematic view of the shell in the utility model;

[0020] Figure 5 It is the structure schematic view of transmission assembly in the utility model;

[0021] Figure 6 It is the structure schematic view of input shaft in the utility model.

[0022] Reference signs: 1, shell;11, upper cavity;12, lower cavity;13, first opening;14, outer shell;141, second opening;15, inner shell;21, input shaft;22, output gear;23, transmission part;231, helical gear shaft;232, first transmission gear;233, second transmission gear;3, power supply board;31, row of pins. DETAILED DESCRIPTION

[0023] The utility model is further explained in detail below in combination with the drawings and embodiments. Same parts are denoted by same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a specific part.

[0024] Referring to Figures 1 to 6 As shown in the drawings, the open-close curtain transmission box of the embodiment comprises a shell 1, an upper cavity 11 and a lower cavity 12 are formed in the shell 1, in an embodiment, a partition plate can be installed in the shell 1, the partition plate is detachably connected between the shell 1 through screws; in order to facilitate the installation of the partition plate, the shell 1 can be provided with an upper cover or a rear cover, the upper cover or the rear cover is detachable;

[0025] A transmission assembly connecting the belt and the motor is arranged in the lower cavity 12, a first opening 13 is formed in one side of the shell 1 to communicate the upper cavity 11 and the lamp groove of the track, wherein, in the upper cavity 11, wires can be routed to the first opening 13 to facilitate connection with the lamp groove; the transmission assembly and the wires are separated by the upper cavity 11 and the lower cavity 12, and do not interfere with each other, so that a larger space can be designed for the connection structure between the motor and the lamp strip;

[0026] The upper cavity 11 and the lower cavity 12 can be completely separated or have certain communicatability, which is selected according to requirements.

[0027] Referring to Figure 3 As shown in the drawings, the shell 1 comprises an outer shell 14 and an inner shell 15, the inner shell 15 is detachably connected with the outer shell 14, the inner shell 15 and the outer shell 14 are detachably connected through screws, at least part of the inner shell 15 extends into the outer shell 14 to form the upper cavity 11 and the lower cavity 12 in the outer shell 14, wherein the part of the inner shell 15 extending into the outer shell 14 can act as a partition plate.

[0028] For the first opening 13, a first communication hole is formed on the outer shell 14, and a second communication hole is formed on the inner shell 15, the first communication hole cooperates with the second communication hole to form the first opening 13;

[0029] Referring to Figure 4 As shown in the drawings, the outer shell 14 is provided with a second opening 141 on the side away from the motor, and at least part of the inner shell 15 extends into the outer shell 14 through the second opening 141;

[0030] The second opening 141 is arranged at the back of the outer shell 14 to facilitate the installation of the inner shell 15;

[0031] The inner shell 15 at least comprises a partition and a back plate, the partition is integrally formed with the back plate, when the inner shell 15 is installed into the outer shell 14, the space in the outer shell 14 is divided into the upper cavity 11 and the lower cavity 12 by the partition, and the back plate can cover the second opening 141;

[0032] The inner shell 15 further comprises a bottom plate, the bottom plate is connected with the back plate, the lower cavity 12 is formed between the bottom plate and the partition, so that the transmission assembly is connected to the inner shell 15, facilitating the disassembly and assembly between the inner shell 15 and the outer shell 14.

[0033] A plurality of support columns are formed on the side of the inner shell 15 facing the motor, threaded holes are formed in the support columns, and mounting holes corresponding to the support columns are formed on the side of the outer shell 14 facing the motor, so that the inner shell 15 and the outer shell 14 are fixed by screws through the mounting holes and the threaded holes;

[0034] The side of the outer shell 14 facing the motor is formed with a rail groove, and the rail groove is used for inserting a rail; wherein two transmission holes are formed between the rail groove and the lower cavity 12, and the two transmission holes are used for the belt to pass through.

[0035] Positioning grooves are formed at the bottom and top of the second opening 141, the length direction of the positioning grooves is parallel to the length direction of the rail, and the positioning grooves are used for positioning the installation position of the lamp strip to prevent misalignment of the lamp strip.

[0036] Referring to Figure 2 and Figure 5 , the upper cavity 11 is detachably connected with a power supply board 3, the power supply board 3 is electrically connected with the motor, and the power supply board 3 can be electrically connected with the main control board of the motor;

[0037] In an embodiment, the motor comprises a Hall plate, the power supply board 3 is electrically connected with the Hall plate, and the electrical connection can be achieved by providing an electrical connector between the two; the Hall plate is electrically connected with the main control board, and the main control board is connected with the power supply board;

[0038] The lamp strip is powered by the electrical connection between the power supply board 3 and the lamp strip.

[0039] In a preferred embodiment, referring to Figure 5 , the electrical connector is a pin 31 and a female connector, the pin 31 is electrically connected with the power supply board 3 and exposed outside the shell 1, and the female connector is electrically connected with the Hall plate;

[0040] Of course, the pin 31 can also be arranged on the Hall plate, and the female connector can be arranged on the power supply board 3;

[0041] When the motor is installed, the electrical connection between the Hall plate and the power supply board 3 is facilitated.

[0042] The power supply board 3 is connected to a wire, and the end of the wire away from the power supply board 3 is connected to a light strip connector. The light strip connector enables a detachable connection and power supply between the wire and the light strip, allowing the light strip to be installed later.

[0043] Preferably, the transmission assembly includes an input shaft 21 and an output gear 22. The input shaft 21 is rotatably connected to the outer casing 14 by a bearing. A first shaft is fixedly connected inside the inner casing 15, and the output gear 22 is sleeved on the first shaft. A transmission part 23 is connected between the input shaft 21 and the output gear 22. The central axis of the input shaft 21 coincides with the central line of the motor, which facilitates the docking between the input shaft 21 and the motor. The input shaft 21 and the motor can be connected by a spline or by a profile connection.

[0044] The central axis of the output tooth 22 is perpendicular to the central axis of the motor, which changes the output direction. After the motor is installed, the input shaft 21 is set horizontally, so that the central axis of the output tooth 22 is set vertically. The output tooth 22 is connected to the belt, which drives the belt to move horizontally.

[0045] The transmission unit 23 can be a gear set, which realizes the transmission between the input shaft 21 and the output gear 22.

[0046] Reference Figure 3 , Figure 5 and Figure 6 As shown, the transmission unit 23 includes a helical gear shaft 231, which meshes perpendicularly with the input shaft 21. Compared to a worm gear, this reduces the space occupied by the worm gear in the width direction. A first transmission tooth 232 is connected to the helical gear shaft 231, and the first transmission tooth 232 is integrally formed with the helical gear shaft 231. A second transmission tooth 233 is connected to the output tooth 22, and the output tooth 22 is integrally formed with the second transmission tooth 233. The first transmission tooth 232 and the second transmission tooth 233 mesh. When the input shaft 21 rotates, the input shaft 21 drives the helical gear shaft 231 to rotate, which synchronously causes the first transmission tooth 232 to rotate. The first transmission tooth 232 and the second transmission tooth 233 mesh with each other, thereby driving the second transmission tooth 233 to rotate. The second transmission tooth 233 rotates synchronously with the output tooth 22, and the belt moves through the output tooth 22.

[0047] Preferably, the input shaft 21 has an internal spline or an external spline at the end near the motor. In this embodiment, the input shaft 21 is configured with an external spline at the end near the motor and an internal spline at the end of the motor, which facilitates quick docking between the two.

[0048] The housing 1 is detachably connected to an end hook, which can be detachably connected to the housing 1 by means of screws or by means of clips.

[0049] Preferably, in the embodiment, a clamping groove is formed on the shell 1, and the terminal hanging buckle can be clamped into the clamping groove.

[0050] The preferred embodiments of the present application have been described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme falling within the idea of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principles of the present application, these improvements and decorations should also be considered as the protection scope of the present application.

Claims

1. An open / close curtain transmission box, characterized by: The shell (1) is internally formed with an upper cavity (11) and a lower cavity (12), the lower cavity (12) is internally provided with a transmission assembly connecting a belt and a motor, a first opening (13) is formed on one side of the shell (1) to communicate the upper cavity (11) with a lamp slot of a track.

2. An opening and closing curtain transmission box according to claim 1, characterized in that: The shell (1) comprises an outer shell (14) and an inner shell (15), the inner shell (15) is detachably connected with the outer shell (14), at least part of the inner shell (15) extends into the outer shell (14) to form the upper cavity (11) and the lower cavity (12) in the outer shell (14).

3. A curtain control box according to claim 2, wherein: A second opening (141) is formed on the side of the outer shell (14) away from the motor, at least part of the inner shell (15) extends into the outer shell (14) through the second opening (141).

4. A curtain transmission box according to any one of claims 1 to 3, characterized in that: A power supply board (3) is detachably connected in the upper cavity (11), the power supply board (3) is electrically connected with the motor.

5. An opening and closing curtain transmission box according to claim 4, characterized in that: A pin (31) is electrically connected on the power supply board (3), the pin (31) is exposed from the shell (1).

6. An opening and closing curtain transmission box according to claim 4, characterized in that: An electric wire is electrically connected on the power supply board (3), one end of the electric wire away from the power supply board (3) is connected with a lamp strip connector.

7. A curtain transmission box according to any one of claims 1 to 3, characterized in that: The transmission assembly comprises an input shaft (21) and an output gear (22), a transmission part (23) is drivingly connected between the input shaft (21) and the output gear (22), the central axis of the input shaft (21) coincides with the central axis of the motor, the central axis of the output gear (22) is perpendicular to the central axis of the motor.

8. An opening and closing curtain transmission box according to claim 7, characterized in that: The transmission part (23) comprises a helical shaft (231), the helical shaft (231) is perpendicularly engaged with the input shaft (21), a first transmission gear (232) is connected on the helical shaft (231), a second transmission gear (233) is connected on the output gear (22), the first transmission gear (232) is engaged with the second transmission gear (233).

9. An opening and closing curtain transmission box according to claim 7, characterized in that: An inner spline or an outer spline is formed on the end of the input shaft (21) close to the motor.

10. An opening and closing curtain transmission box according to claim 1, characterized in that: An end hook is detachably connected on the shell (1).

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