An electric motor assembly and an automotive sunroof device

Abstract

This application provides a motor assembly and an automotive sunroof device. The motor assembly includes a beam, a mounting base, a motor, a transmission module, a winding reel, and a steel wire. The mounting base is detachably connected to the beam. The motor is mounted on and supported by the mounting base. The transmission module is mounted on the mounting base, with one end connected to the output end of the motor and the other end connected to a rotating shaft, driving the rotating shaft to rotate. The rotating shaft is located outside the mounting base. The rotating shaft has a flat end. The winding reel is sleeved on the rotating shaft and positioned on the flat end. The winding reel rotates with the rotation of the rotating shaft, facilitating engagement between the winding reel and the rotating shaft via the flat end, thus avoiding connection between the winding reel and the motor through a round hole and improving the connection stability of the winding reel. The winding reel has a first slot and a second slot, distributed at different positions on the winding reel. The steel wire is wound around the winding reel and connected to the external sunroof glass or sunshade.

Description

Technical Field

[0001] This utility model relates to the technical field of automotive sunroof devices, and more particularly to a motor assembly and an automotive sunroof device. Background Technology

[0002] With the development of technology, sunroof devices have been applied to automobiles. Sunroofs increase natural light inside the vehicle, improve visibility, and when the sunroof glass is opened, a negative pressure zone is created, aiding air circulation and quickly eliminating odors and harmful gases for ventilation. The motor assembly is part of this sunroof system. In existing technology, the motor assembly includes a beam, a motor, and a winding reel. The motor is connected to the beam and the winding reel, driving its rotation. However, the winding reel is connected to the motor through a circular hole, making it prone to detachment in existing motor assemblies. Utility Model Content

[0003] The purpose of this utility model is to provide a motor assembly and an automotive sunroof device. A mounting base is detachably connected to a beam. The motor is mounted on and supported by the mounting base. A transmission module is mounted on the mounting base, with one end connected to the output end of the motor and the other end connected to a rotating shaft, which drives the rotating shaft to rotate. This rotating shaft is located outside the mounting base. The rotating shaft has a flat end. A winding reel is sleeved on the rotating shaft and positioned on the flat end. The winding reel rotates with the rotating shaft, facilitating engagement between the winding reel and the rotating shaft via the flat end, preventing the winding reel from connecting to the motor through a round hole and improving the connection stability of the winding reel. Simultaneously, the winding reel has a first slot and a second slot, distributed at different positions on the winding reel. A steel wire is wound around the winding reel and connected to the external sunroof glass or sunshade. Corresponding fixing heads are connected to both ends of the steel wire, respectively fixing the first and second slots, ensuring the connection stability between the steel wire and the winding reel and preventing accidental detachment of the steel wire from the winding reel.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a motor assembly applied to an automotive sunroof device, the motor assembly comprising:

[0005] Beam structure;

[0006] Mounting base, detachably connected to the beam;

[0007] The motor is mounted on and supported by the mounting base;

[0008] A transmission module is mounted on the mounting base. One end of the transmission module is connected to the output end of the motor, and the other end of the transmission module is connected to the rotating shaft, which drives the rotating shaft to rotate. The rotating shaft is located outside the mounting base. The rotating shaft has a flat end.

[0009] A winding reel is sleeved on the rotating shaft and positioned and connected to the flat end; the winding reel rotates as the rotating shaft rotates; the winding reel is provided with a first slot and a second slot, the first slot and the second slot being distributed at different positions on the winding reel;

[0010] A steel wire is wound around the reel and connected to the external skylight glass or sunshade; each end of the steel wire is connected to a corresponding fixing head, and the two fixing heads are respectively fixedly connected to the first slot and the second slot.

[0011] Optionally, when the steel wire is connected to the external sunroof glass, the steel wire is the first steel wire; the motor and transmission module serve as the first power module; the external sunroof glass is connected to the beam via a first movable seat; the motor assembly further includes multiple first rollers, which are disposed at different positions on the beam and pull the first steel wire, which is driven by the first power module; the first movable seat is movably connected to the beam; the first movable seat is connected to the first steel wire and the external sunroof glass, and drives the external sunroof glass under the action of the first steel wire to open or close the opening of the beam;

[0012] Alternatively, when the steel wire is connected to an external sunshade, the steel wire is a second steel wire; the motor and transmission module serve as a second power module; the external sunshade is connected to the beam via a second movable seat; the motor assembly also includes multiple second rollers, which are positioned at different locations on the beam and pull the second steel wire, which is driven by the second power module; the second movable seat is movably connected to the beam; the second movable seat is connected to the second steel wire and the external sunshade, and drives the external sunshade under the influence of the second steel wire to open or close the opening in the beam.

[0013] Optionally, the first slot and the second slot are disposed on opposite side walls of the winding reel; the two fixing heads are a first fixing head and a second fixing head, the first fixing head is inserted into the first slot and engaged with the first slot for fixation; the second fixing head is inserted into the second slot and engaged with the second slot for fixation.

[0014] The winding reel has a platform through hole, which is located in the middle of the winding reel and passes through the winding reel;

[0015] The platform through hole is used for the flat end of the rotating shaft to pass through, so that the winding wheel is positioned and connected to the rotating shaft, and the winding wheel is stationary relative to the rotating shaft.

[0016] Optionally, the motor assembly further includes a retaining ring that elastically engages with the rotating shaft and is located on one side of the winding reel to limit the winding reel.

[0017] Optionally, the rotating shaft is provided with a third slot for engaging the retaining spring, which is mounted on the rotating shaft. The retaining spring is fixedly connected to the rotating shaft and can contact the side wall of the winding reel to prevent the winding reel from disengaging from the rotating shaft.

[0018] Optionally, the circumferential sidewall of the winding reel is provided with a plurality of pulley grooves, and the plurality of pulley grooves are arranged sequentially along the thickness direction of the winding reel.

[0019] Optionally, the steel wire is a single piece of steel wire, and is wound sequentially around multiple pulley grooves; the position of the steel wire is adjusted as the winding wheel rotates.

[0020] Optionally, the transmission module is a gear transmission module, a synchronous belt transmission module, or a worm gear transmission module.

[0021] Optionally, the mounting base is provided with multiple through holes, which are distributed at different positions on the mounting base and are for screws to pass through. The screws pass through the through holes and are screwed to the beam.

[0022] To achieve the above objectives, this utility model provides the following technical solution: a car sunroof device, including the aforementioned motor assembly.

[0023] Compared with the prior art, the beneficial effects of this utility model are:

[0024] This utility model provides a motor assembly and an automotive sunroof device. A mounting base is detachably connected to a beam. The motor is mounted on and supported by the mounting base. A transmission module is mounted on the mounting base, with one end connected to the motor's output and the other end connected to a rotating shaft, which rotates the shaft. This rotating shaft is located outside the mounting base. The rotating shaft has a flat end. A winding reel is fitted onto the rotating shaft and positioned on the flat end. The winding reel rotates with the rotating shaft, facilitating engagement between the winding reel and the rotating shaft via the flat end, preventing connection between the winding reel and the motor through a round hole, thus improving the connection stability. The winding reel also has a first and a second slot, distributed at different positions. A steel wire is wound around the winding reel and connected to the external sunroof glass or sunshade. Each end of the steel wire is connected to a corresponding fixing head, which is fixedly connected to the first and second slots, ensuring the connection stability between the steel wire and the winding reel and preventing accidental detachment of the steel wire from the winding reel. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings. In the following description, the same reference numerals denote the same parts.

[0027] Figure 1 A schematic diagram of a motor assembly according to an embodiment of this application is shown.

[0028] Figure 2 It shows Figure 1 A magnified view of a portion of point A in the middle.

[0029] Figure 3 An exploded view of a motor assembly according to an embodiment of this application is shown.

[0030] Figure 4 A schematic diagram showing the connection between the mounting base of the motor assembly and the motor according to an embodiment of this application is shown.

[0031] Figure 5 A schematic diagram of a winding reel of a motor assembly according to an embodiment of this application is shown.

[0032] Figure Labels

[0033] 10. Beam structure;

[0034] 20. Mounting base; 20a. Through hole;

[0035] 30. Electric motor;

[0036] 40. Transmission module; 41. Rotating shaft; 41a. Third slot; 411. Flat end;

[0037] 50. Winding reel; 50a. First slot; 50b. Second slot; 50c. Platform through hole; 50d. Pulley groove;

[0038] 60. Steel wire; 61. Fixing head; 611. First fixing head; 612. Second fixing head; 62. First steel wire; 63. Second steel wire;

[0039] 70. Snap ring;

[0040] 80. First roller;

[0041] 90. Second roller. Detailed Implementation

[0042] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0043] Please refer to the attached document. Figures 1-5 This application provides a motor assembly applied to an automotive sunroof device, which drives the sunroof glass to move automatically.

[0044] Please refer to the attached document. Figures 1-5In this embodiment, the motor assembly includes a beam 10, a mounting base 20, a motor 30, a transmission module 40, a winding reel 50, and a steel wire 60. The mounting base 20 is detachably connected to the beam 10; the motor 30 is mounted on and supported by the mounting base 20; the transmission module 40 is mounted on the mounting base 20, one end of which is connected to the output end of the motor 30, and the other end of which is connected to a rotating shaft 41, driving the rotating shaft 41 to rotate. The rotating shaft 41 is located outside the mounting base 20; the rotating shaft 41 has a flat end 411; the winding reel 50 is sleeved on the rotating shaft 41 and positioned and connected to the flat end 411; the winding reel 50 rotates with the rotation of the rotating shaft 41, so that the winding reel 50 can be engaged with the rotating shaft 41 through the flat end 411, avoiding the winding reel 50 from being connected to the motor 30 through a round hole, thus improving the connection stability of the winding reel 50. Meanwhile, the winding reel 50 is provided with a first slot 50a and a second slot 50b, which are distributed at different positions on the winding reel 50; the steel wire 60 is wound around the winding reel 50 and connected to the external sunroof glass or sunshade; the two ends of the steel wire 60 are respectively connected to corresponding fixing heads 61, which are respectively fixedly connected to the first slot 50a and the second slot 50b, ensuring the connection stability between the steel wire 60 and the winding reel 50 and preventing the two ends of the steel wire 60 from accidentally detaching from the winding reel 50.

[0045] Please refer to the attached document. Figures 1-5 In this embodiment, the beam 10 serves as a support component for the motor assembly, supporting the mounting base 20, the motor 30, the transmission module 40, the winding reel 50, and the steel wire 60.

[0046] The mounting base 20 is disposed on the upper side of the beam 10 and is detachably connected to the beam 10; so that the mounting base 20 can be connected to or detached from the beam 10, thereby improving the ease of installation and removal of the mounting base 20.

[0047] The motor 30 is located on the upper side of the mounting base 20. The motor 30 is mounted on the mounting base 20 and supported by the mounting base 20 so that the motor 30 can be fixed to the mounting base 20.

[0048] The transmission module 40 is mounted on the mounting base 20. One end of the transmission module 40 is connected to the output end of the motor 30, and the other end of the transmission module 40 is connected to a rotating shaft 41, driving the rotating shaft 41 to rotate. This allows the motor 30 to start and drive the rotating shaft 41 via the transmission module 40, thus facilitating the automatic rotation of the rotating shaft 41. The rotating shaft 41 is located on the outside of the mounting base 20; the rotating shaft 41 has a flat end 411 so that the flat end 411 is exposed on the outside of the mounting base 20. Optionally, the transmission module 40 can be a gear transmission module, a synchronous belt transmission module, or a worm gear transmission module.

[0049] A reel 50 is fitted onto a rotating shaft 41 and positioned on a flat end 411. The reel 50 rotates with the rotating shaft 41, allowing it to engage with the shaft 41 via the flat end 411, preventing the reel 50 from connecting to the motor 30 through a round hole and improving the connection stability. The reel 50 has a first slot 50a and a second slot 50b, located at different positions. A steel wire 60 is wound around the reel 50 and connected to the external skylight glass or sunshade. Each end of the steel wire 60 is connected to a corresponding fixing head 61, which is fixedly connected to the first slot 50a and the second slot 50b, ensuring the connection stability between the steel wire 60 and the reel 50 and preventing accidental detachment of the steel wire 60 from the reel 50.

[0050] Please refer to the attached document. Figure 1 In this embodiment, when the steel wire 60 is connected to the external sunroof glass, the steel wire 60 is the first steel wire 62; the motor 30 and the transmission module 40 serve as the first power module; the external sunroof glass is connected to the beam 10 via the first movable seat; the motor assembly also includes multiple first rollers 80, which are disposed at different positions on the beam 10 and pull the first steel wire 62, which is driven by the first power module; the first movable seat is movably connected to the beam 10; the first movable seat is connected to the first steel wire 62 and the sunroof glass, and drives the sunroof glass under the action of the first steel wire 62 to open or close the opening of the beam 10; thereby realizing the automated movement of the external sunroof glass and avoiding the external sunroof glass from being opened or closed by human intervention.

[0051] Alternatively, when the steel wire 60 is connected to the external sunshade curtain, the steel wire 60 is the second steel wire 63; the motor and transmission module serve as the second power module; the external sunshade curtain is connected to the beam 10 via the second movable seat; the motor assembly also includes multiple second rollers 90, which are positioned at different locations on the beam 10 and pull the second steel wire 63, which is driven by the second power module; the second movable seat is movably connected to the beam 10; the second movable seat is connected to the second steel wire 63 and the external sunshade curtain, and drives the external sunshade curtain under the action of the second steel wire 63 to open or close the opening of the beam 10, thereby realizing the automated movement of the external sunshade curtain and avoiding the external sunshade curtain from being opened or closed by human intervention.

[0052] Please refer to the attached document. Figures 1-5In this embodiment, the first slot 50a and the second slot 50b are disposed on opposite side walls of the winding reel 50 to facilitate separate arrangement of the first slot 50a and the second slot 50b. The two fixing heads 61 are the first fixing head 611 and the second fixing head 612, respectively. The first fixing head 611 is inserted into the first slot 50a and engages with the first slot 50a for fixation. The second fixing head 612 is inserted into the second slot 50b and engages with the second slot 50b for fixation, so that the first fixing head 611 and the second fixing head 612 engage with different side walls of the winding reel 50.

[0053] The winding reel 50 is provided with a platform through hole 50c, which is located in the middle of the winding reel 50 and passes through the winding reel 50. The platform through hole 50c is used for the flat end 411 of the rotating shaft 41 to pass through, so that the winding reel 50 is positioned and connected to the rotating shaft 41. The winding reel 50 is stationary relative to the rotating shaft 41, so that the winding reel 50 can be engaged with the flat end 411 through the space of the platform through hole 50c, thus ensuring the connection stability of the winding reel 50 relative to the rotating shaft 41.

[0054] Please refer to the attached document. Figures 1-4 In this embodiment of the application, the motor assembly also includes a retaining ring 70, which is elastically engaged with the rotating shaft 41 and located on one side of the winding wheel 50 to limit the winding wheel 50, prevent the winding wheel 50 from moving along the direction of the retaining ring 70, and ensure the position of the winding wheel 50 relative to the rotating shaft 41.

[0055] Please refer to the attached document. Figures 1-4 In this embodiment, the rotating shaft 41 is provided with a third slot 41a, which is used for engaging the snap ring 70. The snap ring 70 is installed on the rotating shaft 41 and is fixedly connected to the rotating shaft 41. It can contact the side wall of the winding wheel 50 to prevent the winding wheel 50 from disengaging from the rotating shaft 41. This allows the snap ring 70 to engage with the rotating shaft 41 through the third slot 41a, ensuring the connection stability between the rotating shaft 41 and the snap ring 70.

[0056] Please refer to the attached document. Figures 1-5 In this embodiment, the circumferential sidewall of the winding wheel 50 is provided with a plurality of pulley grooves 50d, which are arranged sequentially along the thickness direction of the winding wheel 50 so that the winding wheel 50 can accommodate the steel wire 60 through the space of the plurality of pulley grooves 50d.

[0057] Please refer to the attached document. Figures 1-4 In this embodiment of the application, the steel wire 60 is a single piece of steel wire, and is wound around multiple pulley grooves 50d in sequence; the position of the steel wire 60 is adjusted as the winding wheel 50 rotates, so that the multiple pulley grooves 50d separate the steel wire 60 and prevent the steel wire 60 from tangling together.

[0058] Please refer to the attached document. Figures 1-4 In this embodiment, the mounting base 20 is provided with a plurality of through holes 20a, which are distributed at different positions of the mounting base 20 and are for screws to pass through. The screws pass through the through holes 20a and are screwed to the beam 10, so that the mounting base 20 can be detachably connected to the beam 10 through the cooperation of the plurality of through holes 20a and the plurality of screws. The connection strength between the mounting base 20 and the beam 10 is increased by arranging the plurality of through holes 20a.

[0059] In the second embodiment of the application, a car sunroof device includes a motor assembly. As part of the car sunroof device, the motor assembly can increase natural light inside the car and improve visibility. At the same time, opening the sunroof glass can create a negative pressure zone, which helps the air inside the car to circulate, quickly eliminate odors and harmful gases, and facilitate ventilation inside the car.

[0060] Compared with the prior art, the beneficial effects of this utility model are:

[0061] This utility model provides a motor assembly and an automotive sunroof device. A mounting base 20 is detachably connected to a beam 10. A motor 30 is mounted on and supported by the mounting base 20. A transmission module 40 is mounted on the mounting base 20, with one end connected to the output end of the motor 30 and the other end connected to a rotating shaft 41, driving the rotating shaft 41 to rotate. The rotating shaft 41 is located outside the mounting base 20. The rotating shaft 41 has a flat end 411. A winding wheel 50 is sleeved on the rotating shaft 41 and positioned on the flat end 411. The winding wheel 50 rotates with the rotation of the rotating shaft 41, allowing the winding wheel 50 to engage with the rotating shaft 41 through the flat end 411, preventing the winding wheel 50 from connecting to the motor 30 through a round hole, thus improving the connection stability of the winding wheel 50. Meanwhile, the winding reel 50 is provided with a first slot 50a and a second slot 50b, which are distributed at different positions on the winding reel 50; the steel wire 60 is wound around the winding reel 50 and connected to the external sunroof glass or sunshade; the two ends of the steel wire 60 are respectively connected to corresponding fixing heads 61, which are respectively fixedly connected to the first slot 50a and the second slot 50b, ensuring the connection stability between the steel wire 60 and the winding reel 50 and preventing the two ends of the steel wire 60 from accidentally detaching from the winding reel 50.

[0062] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture. If the specific posture changes, the directional indicator will also change accordingly.

[0063] It should also be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or may be connected to an intermediary component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component through an intermediary component.

[0064] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0065] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A motor assembly, characterized in that, The motor assembly, used in automotive sunroof systems, includes: Beam structure; Mounting base, detachably connected to the beam; The motor is mounted on and supported by the mounting base; A transmission module is mounted on the mounting base. One end of the transmission module is connected to the output end of the motor, and the other end of the transmission module is connected to the rotating shaft, which drives the rotating shaft to rotate. The rotating shaft is located outside the mounting base. The rotating shaft has a flat end. A winding reel is sleeved on the rotating shaft and positioned and connected to the flat end; the winding reel rotates as the rotating shaft rotates; the winding reel is provided with a first slot and a second slot, the first slot and the second slot being distributed at different positions on the winding reel; A steel wire is wound around the reel and connected to the external skylight glass or sunshade; each end of the steel wire is connected to a corresponding fixing head, and the two fixing heads are respectively fixedly connected to the first slot and the second slot.

2. The motor assembly according to claim 1, characterized in that, When the steel wire is connected to the external sunroof glass, the steel wire is the first steel wire; the motor and transmission module serve as the first power module; the external sunroof glass is connected to the beam body via a first movable seat; the motor assembly also includes multiple first rollers, which are disposed at different positions on the beam body and pull the first steel wire, which is driven by the first power module; the first movable seat is movably connected to the beam body; the first movable seat is connected to the first steel wire and the external sunroof glass, and drives the external sunroof glass under the action of the first steel wire to open or close the opening of the beam body; Alternatively, when the steel wire is connected to an external sunshade, the steel wire is a second steel wire; the motor and transmission module serve as a second power module; the external sunshade is connected to the beam via a second movable seat; the motor assembly also includes multiple second rollers, which are positioned at different locations on the beam and pull the second steel wire, which is driven by the second power module; the second movable seat is movably connected to the beam; the second movable seat is connected to the second steel wire and the external sunshade, and drives the external sunshade under the influence of the second steel wire to open or close the opening in the beam.

3. The motor assembly according to claim 1, characterized in that, The first slot and the second slot are disposed on opposite side walls of the winding reel; the two fixing heads are a first fixing head and a second fixing head, the first fixing head is inserted into the first slot and engaged with the first slot for fixation; the second fixing head is inserted into the second slot and engaged with the second slot for fixation. The winding reel has a platform through hole, which is located in the middle of the winding reel and passes through the winding reel; The platform through hole is used for the flat end of the rotating shaft to pass through, so that the winding wheel is positioned and connected to the rotating shaft, and the winding wheel is stationary relative to the rotating shaft.

4. The motor assembly according to claim 3, characterized in that, The motor assembly also includes a retaining ring that elastically engages with the rotating shaft and is located on one side of the winding reel to limit the winding reel.

5. The motor assembly according to claim 4, characterized in that, The rotating shaft is provided with a third slot for engaging the retaining spring. The retaining spring is mounted on the rotating shaft and is fixedly connected to the rotating shaft. It can contact the side wall of the winding reel to prevent the winding reel from detaching from the rotating shaft.

6. The motor assembly according to claim 5, characterized in that, The circumferential sidewall of the winding reel is provided with multiple pulley grooves, which are arranged sequentially along the thickness direction of the winding reel.

7. The motor assembly according to claim 6, characterized in that, The steel wire is a single piece of steel wire, which is wound around multiple pulley grooves in sequence; the position of the steel wire is adjusted as the winding wheel rotates.

8. The motor assembly according to claim 1, characterized in that, The transmission module is a gear transmission module, a synchronous belt transmission module, or a worm gear transmission module.

9. The motor assembly according to claim 1, characterized in that, The mounting base is provided with multiple through holes, which are distributed at different positions on the mounting base and are for screws to pass through. The screws pass through the through holes and are screwed to the beam.

10. A car sunroof device, characterized in that, Includes the motor assembly as described in any one of claims 1 to 9.

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