Electric sunshade curtain with gear box device

Abstract

The utility model relates to an electric sunshade curtain with a gear box device, which comprises a motor providing a power source, the motor transmits power to a driving wheel through a connecting rod, the driving wheel is meshed with a driven wheel in a gear box to transmit power, and the gear box comprises a box body serving as a shell. A bearing seat for accommodating a first rolling bearing on the synchronizing wheel is arranged on the inner wall of the box body, the synchronizing wheel is provided with a power transmission cavity, the power transmission cavity is connected with a transmission shaft of the driven wheel, the driven wheel is provided with an inner gear and a second step circular surface, and a second rolling bearing is assembled on the second step circular surface; the second rolling bearing is positioned through a bearing supporting ring of an upper cover plate, and the upper cover plate is connected with the box body through screws. According to the novel internal structure of the gearbox, due to the fact that gear transmission is of an internal meshing structure, certain inclusiveness is achieved, even if the internal structure changes greatly, normal rotation can be maintained, the gear penetration depth is high, and the mute performance is good.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent furniture, in particular to an electric sunshade with a gear box device. Background Art

[0002] Curtains are common decorations that have the functions of sunshade, heat insulation and indoor light adjustment. Curtains are of many types, such as opening and closing curtains, beaded roller curtains, accordion curtains, etc. Curtains are usually opened and closed manually. With the advancement of technology, people's requirements for the standard of home life are constantly improving, so electric curtains have come into being. Electric curtains include a motor assembly, a track, and a suspension member for hanging curtains. The motor can drive the suspension member to slide on the track to automatically control the opening and closing of the curtain. An existing electric curtain has curtain pieces hung on its suspension member, and the motor assembly can also drive the suspension member to rotate and adjust the angle of the curtain piece, thereby adjusting the indoor brightness. Usually, the power for the rotation of the suspension member is transmitted through a gear assembly.

[0003] Chinese Patent Publication (Announcement) No.: CN220275365U, Patent Title: Electric Curtain, which discloses that “

[0044] the transmission assembly also includes a transmission wheel 320, a gear assembly and a transmission shaft 330, the gear assembly includes a first bevel gear 340, a second bevel gear 350, a third bevel gear 360 and a fourth bevel gear 370, the transmission wheel 320 is arranged in a transmission box 510 and cooperates with a transmission belt 310, the first bevel gear 340 is arranged in a motor box 500 and installed on the output shaft of the transmission motor 300 The second bevel gear 350 is arranged at the upper end of the transmission wheel 320, the transmission shaft 330 is arranged between the first bevel gear 340 and the second bevel gear 350, one end of the transmission shaft 330 is located in the transmission box 510, and the other end of the transmission shaft 330 is located in the motor box 500, the third bevel gear 360 is arranged at one end of the transmission shaft 330 located in the motor box 500 and meshed with the first bevel gear 340, and the fourth bevel gear 370 is arranged at one end of the transmission shaft 330 located in the transmission box 510 and meshed with the second bevel gear 350.

[0004] This gear assembly is meshed through bevel gears and is an external meshing structure. The gear penetration depth and quietness are poor, and there is room for improvement. Summary of the invention

[0005] The purpose of the utility model is to provide an electric sunshade with a gear box device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model is achieved through the following technical measures: an electric sunshade with a gearbox device, including a motor providing a power source, the motor transmitting power to a driving wheel through a connecting rod, the driving wheel meshing with a driven wheel in the gearbox to transmit power, and its characteristics are: the gearbox includes a box body as an outer shell, the inner wall of the box body is provided with a bearing seat accommodating a first rolling bearing on a synchronous wheel, the synchronous wheel is provided with a power transmission cavity, the power transmission cavity is connected to the transmission shaft of the driven wheel, the driven wheel is provided with an internal gear, the driven wheel is provided with a second step circular surface, the second step circular surface is equipped with a second rolling bearing, the second rolling bearing is positioned by a bearing support ring of an upper cover plate, and the upper cover plate is connected to the box body by screws.

[0007] Compared with the prior art, the advantages of the utility model are: this new internal structure of the gearbox has a certain degree of tolerance because the gear transmission is an internal meshing structure. Even if the internal structure changes greatly, it can maintain normal rotation, the gear penetration depth is strong, and the quietness is good.

[0008] As an improvement of the utility model, the box body is provided with an oblique plug-in and a waist-shaped groove. The purpose of selecting this design is that the oblique plug-in is provided on the box body to fix the gear box to the aluminum profile through the oblique plug-in. The waist-shaped groove is provided on the box body to fix the other side of the gear box.

[0009] As an improvement of the utility model, the shape of the bearing support ring is a semi-closed shape. The purpose of selecting this design is to facilitate disassembly and assembly while ensuring sufficient force.

[0010] As an improvement of the utility model, the shape of the power transmission cavity is an inner hexagon, and the transmission shaft of the driven wheel and the power transmission cavity are interference fit. The purpose of selecting this design is to ensure stable power transmission without jitter.

[0011] As an improvement of the utility model, the synchronous wheel is provided with a first step circular surface. The purpose of selecting this design is that the first step circular surface is used to assemble the first rolling bearing as one end support of the transmission structure in the gear box. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0013] In the attached picture:

[0014] Figure 1 It is a three-dimensional schematic diagram of the gear box described in the utility model.

[0015] Figure 2 This is an exploded view of the gear box described in the present utility model.

[0016] Figure 3 It is a three-dimensional diagram of the box body described in the utility model.

[0017] Figure 4 It is a three-dimensional diagram of the upper cover plate described in the utility model.

[0018] Figure 5 It is a stereoscopic diagram of the synchronous wheel described in the utility model.

[0019] Figure 6 It is a stereoscopic view of the driven wheel described in the utility model.

[0020] Figure 7 This is a schematic diagram of the power transmission structure of the utility model.

[0021] Explanation of the accompanying drawings: 1. Motor; 2. Connecting rod; 3. Driving wheel; 4. Aluminum profile; 5. Driven wheel; 6. Box body; 7. Synchronous wheel; 8. First rolling bearing; 9. Bearing seat; 10. Power transmission chamber; 11. Transmission shaft; 12. Second step circular surface; 13. Second rolling bearing; 14. Upper cover plate; 15. Bearing support ring; 16. Screw; 17. Oblique plug-in; 18. Waist-shaped groove; 19. Internal gear; 20. First step circular surface; 21. Synchronous belt; 22. Mounting hole; 23. Synchronous tooth. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0023] Example 1

[0024] Please refer to Figure 1 -7. This embodiment provides an electric sunshade with a gearbox device, including a motor 1 providing a power source, wherein the motor 1 transmits power to a driving wheel 3 through a connecting rod 2, and the driving wheel 3 is an external gear structure, and the driving wheel 3 meshes with a driven wheel 5 in the gearbox to transmit power.

[0025] In the embodiments of the present utility model application, please refer to Figure 2The gearbox includes a housing 6 as an outer shell, the inner wall of the housing 6 is provided with a bearing seat 9 for accommodating a first rolling bearing 8 on a synchronous wheel 7, the synchronous wheel 7 is provided with a power transmission chamber 10, the power transmission chamber 10 is connected to a transmission shaft 11 of a driven wheel 5, the driven wheel 5 is provided with an internal gear 19, the driven wheel 5 is provided with a second step circular surface 12, the second step circular surface 12 is provided with a second rolling bearing 13, the second rolling bearing 13 is positioned by a bearing support ring 15 of an upper cover plate 14, and the upper cover plate 14 is connected to the housing 6 by screws 16 passing through mounting holes 22.

[0026] In the embodiments of the present utility model application, please refer to Figure 3 The housing 6 is provided with an oblique plug-in 17, which is used to fix the gearbox to the aluminum profiles on the left and right sides through the oblique plug-in 17, so that installation and removal are convenient. Furthermore, two waist-shaped grooves 18 are provided on the other side of the housing 6, so that the gearbox can be quickly installed and removed with the end cover 16.

[0027] In the embodiments of the present utility model application, please refer to Figure 4 A bearing support ring 15 is provided on the upper cover plate 14. The shape of the bearing support ring 15 is semi-closed. This structure is easy to disassemble and assemble while ensuring sufficient force.

[0028] In the embodiments of the present utility model application, please refer to Figure 2 The shape of the power transmission cavity 10 is an inner hexagon, and the transmission shaft 11 of the driven wheel 5 is an interference fit with the power transmission cavity 10. The interference fit can ensure stable power transmission without jitter.

[0029] In the embodiments of the present utility model application, please refer to Figure 5 The synchronous wheel 7 is provided with a first step circular surface 20. To assemble the first rolling bearing 8, as one end support of the transmission structure in the gear box. Please refer to Figure 6 A second rolling bearing 13 is mounted on the second step circular surface 12 of the driven wheel 5, serving as the other end support of the transmission structure in the gear box.

[0030] The present embodiment provides an electric sunshade with a gearbox device, which are connected as follows: the first rolling bearing 8 is sleeved on the bearing seat 9 of the box body 6, the second rolling bearing 13 is sleeved on the bearing support ring 15 of the upper cover plate 14, the first step circular surface 20 of the synchronous wheel 7 is equipped with the first rolling bearing 8, the second step circular surface 12 of the driven wheel 5 is equipped with the second rolling bearing 13, and the transmission shaft 11 of the driven wheel 5 is inserted into the power transmission cavity 10 of the synchronous wheel 7 to achieve a tight fit.

[0031] The present embodiment provides an electric sunshade with a gearbox device. When working, the motor 1 rotates, driving the connecting rod 2 to rotate, the connecting rod 2 drives the driving wheel 3 to rotate, the driving wheel 3 drives the driven wheel 5 in the gearbox to rotate, the driven wheel 5 drives the synchronous wheel 7 to rotate, and finally drives the curtain fabric to move up and down through the synchronous belt 21 attached to the synchronous teeth 23.

[0032] It should be noted that some electric curtains are equipped with two sets of upper and lower curtain fabrics, which require two sets of electric devices to control them separately. Therefore, in the accompanying drawings, corresponding reserved openings are provided on the box body 6, the upper cover plate 14, and the aluminum profile 4, which can be used according to actual needs.

[0033] The beneficial effects of the utility model are as follows: the internal structure of the new gearbox has a certain tolerance because the gear transmission is an internal meshing structure. Even if the internal structure changes greatly, it can maintain normal rotation, the gear penetration depth is strong, and the quietness is good. At the same time, when the gearbox is matched and fixed with the aluminum profile next to it, it is easy to disassemble and assemble.

[0034] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An electric sunshade with a gearbox device, comprising a motor (1) providing a power source, wherein the motor (1) transmits power to a driving wheel (3) through a connecting rod (2), and the driving wheel (3) meshes with a driven wheel (5) in the gearbox to transmit power, wherein: The gearbox comprises a housing (6) as an outer shell, the inner wall of the housing (6) is provided with a bearing seat (9) for accommodating a first rolling bearing (8) on a synchronous wheel (7), the synchronous wheel (7) is provided with a power transmission chamber (10), the power transmission chamber (10) is connected to a transmission shaft (11) of a driven wheel (5), the driven wheel (5) is provided with an internal gear (19), the driven wheel (5) is provided with a second step circular surface (12), a second rolling bearing (13) is mounted on the second step circular surface (12), the second rolling bearing (13) is positioned by a bearing support ring (15) of an upper cover plate (14), and the upper cover plate (14) is connected to the housing (6) by screws (16).

2. The electric sunshade with a gearbox device according to claim 1 is characterized in that: The box body (6) is provided with an oblique plug-in unit (17), and the box body (6) is provided with a waist-shaped groove (18).

3. The electric sunshade with a gearbox device according to claim 1, characterized in that: The shape of the bearing support ring (15) is semi-closed.

4. The electric sunshade with a gearbox device according to claim 1, characterized in that: The shape of the power transmission chamber (10) is an inner hexagon, and the fit between the transmission shaft (11) of the driven wheel (5) and the power transmission chamber (10) is an interference fit.

5. The electric sunshade with a gearbox device according to claim 1, characterized in that: The synchronous wheel (7) is provided with a first step circular surface (20).

Images