Mechanical clutch driving assembly of automobile side sliding door

Through the combined design of the motor assembly, actuator assembly and clutch switch, combined with the arc-shaped tooth structure and worm drive, the complexity and high failure rate of the existing automobile side sliding door drive mechanism are solved, the control logic is simplified and the convenience of door use is improved, thereby enhancing the reliability of the door and the riding experience.

CN223459277UActive Publication Date: 2025-10-21HANGZHOU RUIYI AUTOMOBILE TECH CO LTD
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Patent Information

Application Number
CN202422992168.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-10-21
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

The existing automobile side sliding door drive mechanism has complex structure, high cost, high failure rate, complex control logic and is prone to wire tangling and breakage problems, which affects the convenience of door use.

Method used

The system adopts a combined design of a motor assembly, an actuator assembly and a clutch switch, uses a cable connection, combines an arc-shaped tooth structure, a synchronous belt and a worm drive, and realizes mechanical clutching through a clutch lever and a micro switch, simplifying the control logic and improving reliability.

Benefits of technology

It achieves a simple structure, low failure rate, simplified control logic, improves the convenience of door use, reduces noise, optimizes space layout, and enhances the riding experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile side sliding door mechanical clutch driving assembly which comprises a motor assembly, an actuator assembly and a clutch switch, and the motor assembly comprises a driving motor, a driving motor installation plate, an output shaft, a clutch gear, a first transmission wheel, a motor end cover and a clutch shifting rod. The actuator assembly comprises a speed reducing mechanism, a hinge assembly, a synchronous belt, a front synchronous belt mounting seat and a rear synchronous belt mounting seat; the speed reducing mechanism comprises a steel wire hose assembly, a worm assembly and a gear box; the worm assembly comprises a steel wire flexible shaft, a coupler, a worm and a turbine, the steel wire hose assembly comprises a front connecting sleeve, a steel wire hose sheath and a rear connecting sleeve, and the hinge assembly comprises a mounting support, a fixing cover, a synchronous pulley, a fixing shaft and a hinge. The driving assembly is reliable in work and low in failure rate, the worm gear and the worm are adopted for transmission and integrated into the vehicle door hinge, the arrangement space is optimized, and the driving assembly is convenient to install.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of automobile side sliding door mechanical clutch drive assembly. BACKGROUND

[0002] The use and operation of automobile gradually develop towards intelligent and automatic, and in the use of business car, the opening of middle door or side sliding door is also partly realized automatically. In the process of automatic opening of door, driving mechanism is generally used to control the opening and closing movement of door.

[0003] At present, the driving motor of middle door in most business cars on the market is realized by electromagnetic clutch to realize the manual and electric switching of electric middle door, and its design structure is relatively complex, the cost of parts is higher, the manufacturing process is relatively difficult, and the clutch has the risk of slipping in the working process, and additional program is needed to control its clutch, and the operation is relatively complex, and the electronic control logic is more difficult. At the same time, most of the current actuators are pull wire driven, which has the risk of wire twisting and breaking, thereby causing problems in the use of door, so a new type of driving assembly for door needs to be developed. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to provide a kind of automobile side sliding door mechanical clutch drive assembly with simple structure, reliable work, reduced failure rate, simplified control logic and increased convenience in use, which has practicality and wide applicability.

[0005] To solve the above problems, the utility model adopts the following technical scheme:

[0006] A kind of automobile side sliding door mechanical clutch drive assembly, including motor assembly, actuator assembly and clutch switch, clutch switch is connected by pull wire between motor assembly, the motor assembly includes driving motor, driving motor mounting plate, output shaft, clutch gear, transmission wheel one, motor end cover and clutch lever, driving motor, motor end cover is installed on driving motor mounting plate, the output shaft is installed on driving motor, motor transmission spline structure is installed on output shaft, spline connection is established between motor transmission spline structure and clutch gear, spring is provided between motor transmission spline structure and clutch gear, spline connection is established between clutch gear and transmission wheel one, driving motor drives motor transmission spline structure, clutch gear, transmission wheel one rotates in turn by output shaft.

[0007] Preferably, the actuator assembly includes a reduction mechanism, a hinge assembly, a synchronous belt, a front synchronous belt mounting seat and a rear synchronous belt mounting seat, and the actuator assembly is connected to the front and rear synchronous belt mounting seats by a synchronous belt; the reduction mechanism includes a steel wire hose assembly, a worm assembly and a gear box.

[0008] Preferably, the worm assembly comprises a steel wire flexible shaft, a shaft coupling, a worm and a turbine, the shaft coupling connects the steel wire flexible shaft and the worm, the worm is connected with the turbine, one end of the steel wire flexible shaft is provided with a square structure, the square structure is connected with a transmission wheel one, and the transmission wheel one drives the steel wire flexible shaft to rotate through the square structure.

[0009] Preferably, the steel wire flexible tube assembly comprises a front connecting sleeve, a steel wire flexible tube sheath and a rear connecting sleeve, the front connecting sleeve, the steel wire flexible tube sheath and the rear connecting sleeve are sequentially connected, the front connecting sleeve is connected with a motor end cover, the rear connecting sleeve is connected with a gear box, the steel wire flexible shaft passes through the front connecting sleeve, the steel wire flexible tube sheath and the rear connecting sleeve, and the steel wire flexible shaft drives the worm and the turbine to rotate in sequence through the shaft coupling.

[0010] Preferably, the hinge assembly comprises a mounting bracket, a fixing cover, a synchronous pulley, a fixing shaft and a hinge, the fixing shaft passes through the hinge, the turbine and the synchronous pulley are mounted on the fixing shaft, the turbine is connected with the synchronous pulley in a spline mode, the turbine drives the synchronous pulley to rotate, and the synchronous pulley rolls along a synchronous belt.

[0011] Preferably, the clutch lever is movably connected with the motor end cover, and a torsional spring is arranged between the clutch lever and the motor end cover; a lever rocker is arranged on the clutch lever, and the lever rocker is connected with a clutch gear.

[0012] Preferably, a lever microswitch is mounted on the motor end cover.

[0013] Preferably, a transmission wheel two, a guide wheel one, a guide wheel two and a pulley are mounted on the hinge.

[0014] Preferably, the front synchronous belt mounting seat comprises a screw one, an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are connected through the screw one; one end of the synchronous belt is fixed between the upper cover plate and the lower cover plate.

[0015] Preferably, a synchronous belt compression spring is arranged on the lower cover plate.

[0016] Preferably, the rear synchronous belt mounting seat comprises a screw two, an adjusting sliding block, a rear mounting seat and a pressing plate, the adjusting sliding block and the pressing plate are connected through the screw, one end of the synchronous belt is fixed between the adjusting sliding block and the pressing plate; the adjusting sliding block and the pressing plate are mounted on the rear mounting seat through the screw two, and a spring is arranged between the screw two and the adjusting sliding block.

[0017] Preferably, one side of the lower cover plate and the pressing plate is provided with an arc tooth structure.

[0018] The utility model discloses have the beneficial effect that: 1, through arc tooth structure, have facilitated the lower cover plate, the pressing plate complete to the installation, the fixing of synchronous belt, make synchronous belt not easy to come off.

[0019] 2、Through the cooperation of the adjusting slide, rear mounting seat and pressing plate, the installation and fixation of one end of the synchronous belt are facilitated, and through the action of the spring, the synchronous belt is given a certain tensioning force, so that the synchronous belt cannot be slackened, and the work of the entire drive assembly is facilitated.

[0020] 3、Through the action of the upper cover plate, lower cover plate and synchronous belt compression spring, the installation and fixation of one end of the synchronous belt are facilitated, the convenience of synchronous belt installation is increased, and the tightness or length of the synchronous belt is facilitated to adjust.

[0021] 4、Through the action of the second transmission wheel, the slipping of the synchronous belt is effectively prevented, the tightness of the connection between the synchronous belt and the synchronous belt wheel and the second transmission wheel is increased, through the action of the first guide wheel and the second guide wheel, the movement of the actuator assembly along the synchronous belt is facilitated, the resistance in the movement of the door is reduced, through the action of the pulley, the connection of the actuator assembly and the middle guide rail of the vehicle body is facilitated, and the actuator assembly moves along the middle guide rail.

[0022] 5、Through the action of the dial lever microswitch, the position or state of the clutch dial lever is detected, so that whether the opening of the mechanical clutch is executed in place is judged.

[0023] 6、Through the action of the torsion spring, the reset of the pull wire is facilitated, through the action of the clutch rocker arm, when the clutch dial lever executes the clutch command, the clutch rocker arm pushes the clutch gear to move, so that the clutch gear is separated from the first transmission wheel, so that the purpose of clutching is achieved.

[0024] 7、Through the action of the motor assembly, the actuator assembly and the clutch switch, the entire drive assembly is reliable in work, simple in structure, low in failure rate, and the control logic is simplified, the actuator assembly part adopts turbine and worm transmission, and is integrated into the door hinge, the space is optimized, the synchronous belt and the belt wheel transmission are stable, the working noise is small, the passengers have a better riding experience, the driving motor is installed in the door, and the actuator part is installed on the outside of the side wall of the vehicle body, so that the installation of the drive assembly is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced, but it is not a limitation on the protection scope of the present application.

[0026] Figure 1 It is a schematic diagram of the composition structure of the present application;

[0027] Figure 2 It is a schematic diagram of the motor assembly mechanism of the present application;

[0028] Figure 3 It is an installation schematic diagram of the clutch dial lever of the present application;

[0029] Figure 4 This is a schematic diagram of the installation of the clutch gear of the present utility model;

[0030] Figure 5 This is a schematic diagram of the gearbox installation of the present invention;

[0031] Figure 6 This is a schematic diagram of the worm installation of the present utility model;

[0032] Figure 7 This is a schematic diagram of the turbine installation of the present utility model;

[0033] Figure 8 This is a schematic diagram of the pulley installation of the utility model;

[0034] Figure 9 This is a schematic diagram of the connection between the turbine and the synchronous pulley of the utility model;

[0035] Figure 10 This is a schematic diagram of the structure of the front synchronous belt mounting seat of the utility model;

[0036] Figure 11 This is a schematic diagram of the structure of the rear synchronous belt mounting seat of the utility model;

[0037] Figure 12 This is a schematic diagram of the installation position of the utility model.

[0038] Among them, 1. Motor assembly, 2. Actuator assembly, 3. Clutch switch, 4. Front synchronous belt mounting seat, 5. Rear synchronous belt mounting seat, 6. Synchronous belt, 7. Cable sleeve, 8. Mounting bracket, 9. Fixed cover, 10. Drive motor, 11. Plug port, 12. Drive motor mounting plate, 13. Output shaft, 14. Motor transmission spline structure, 15. Compression spring, 16. Clutch gear, 17. Drive wheel 1, 18. Motor end cover, 19. Cable sleeve mounting slot, 20. Cable fixing slot, 21. Clutch lever, 22. Lever rocker arm, 23. Lever micro switch, 24. Torsion spring, 25. Front connecting sleeve, 26. Wire hose sheath, 27. Rear connecting sleeve, 28. .Gearbox, 29. Square structure, 30. Steel wire flexible shaft, 31. Coupling, 32. Bearing, 33. Worm, 34. Turbine, 35. Synchronous pulley, 36. Fixed shaft, 37. Hinge, 38. Transmission wheel 2, 39. Guide wheel 1, 40. Guide wheel 2, 41. Pulley, 42. Screw 1, 43. Upper cover, 44. Synchronous belt compression spring, 45. Lower cover, 46. Arc tooth structure, 47. Screw 2, 48. Spring, 49. Adjustment slider, 50. Rear mounting seat, 51. Pressure plate, 52. Upper guide rail, 53. Middle guide rail, 54. Lower guide rail, 55. B-pillar switch, 56. Car door, 57. Car body, 58. Assembly installation, 59. Pull wire. DETAILED DESCRIPTION

[0039] Referring to Figures 1 to 12 The mechanical clutch driving assembly of a side sliding door of a vehicle shown in the figure comprises a motor assembly 1, an actuator assembly 2 and a clutch switch 3, the clutch switch 3 is connected with the motor assembly 1 through a pull wire 59, the motor assembly 1 comprises a driving motor 10, a driving motor mounting plate 12, an output shaft 13, a clutch gear 16, a transmission wheel one 17, a motor end cover 18 and a clutch lever 21, the driving motor 10 and the motor end cover 18 are mounted on the driving motor mounting plate 12, the output shaft 13 is mounted on the driving motor 10, a motor transmission spline structure 14 is mounted on the output shaft 13, the motor transmission spline structure 14 is spline-connected with the clutch gear 16, a compression spring 15 is arranged between the motor transmission spline structure 14 and the clutch gear 16, the clutch gear 16 is spline-connected with the transmission wheel one 17, the driving motor 10 drives the motor transmission spline structure 14, the clutch gear 16 and the transmission wheel one 17 to rotate in sequence through the output shaft 13.

[0040] Further, the actuator assembly 2 comprises a speed reduction mechanism, a hinge assembly, a synchronous belt 6, a front synchronous belt mounting seat 4 and a rear synchronous belt mounting seat 5, the actuator assembly is connected with the front synchronous belt mounting seat 4 and the rear synchronous belt mounting seat 5 through the synchronous belt 6; the speed reduction mechanism comprises a steel wire hose assembly, a worm assembly and a gear box 28;

[0041] The worm assembly comprises a steel wire flexible shaft 30, a shaft coupling 31, a worm 33 and a turbine 34, the shaft coupling 31 connects the steel wire flexible shaft 30 and the worm 33, the worm 33 is connected with the turbine 34, one end of the steel wire flexible shaft 30 is provided with a square structure body 29, the square structure body 29 is connected with the transmission wheel one 17, the transmission wheel one drives the steel wire flexible shaft to rotate through the square structure body;

[0042] Further, the steel wire hose assembly comprises a front connecting sleeve 25, a steel wire hose sheath 26 and a rear connecting sleeve 27, the front connecting sleeve 25, the steel wire hose sheath 26 and the rear connecting sleeve 27 are connected in sequence, the front connecting sleeve 25 is connected with the motor end cover 18, the rear connecting sleeve 27 is connected with the gear box 28, the steel wire flexible shaft 30 passes through the front connecting sleeve, the steel wire hose sheath and the rear connecting sleeve, the steel wire flexible shaft 30 drives the worm 33 and the turbine 34 to rotate in sequence through the shaft coupling 31;

[0043] Further, the shaft coupling 31 is provided with a bearing 32 between the shaft coupling 31 and the gear box 28.

[0044] Further, the hinge assembly comprises a mounting bracket 8, a fixing cover 9, a synchronous pulley 35, a fixing shaft 36, and a hinge 37, the fixing shaft 36 is penetrated by the hinge 37, the turbine 34 and the synchronous pulley 35 are mounted on the fixing shaft 36, the turbine 34 is splined with the synchronous pulley 35, the turbine 34 drives the synchronous pulley 35 to rotate, and the synchronous pulley 35 rolls along the synchronous belt 6.

[0045] Further, the mounting bracket is two, two mounting brackets are respectively mounted on two ends of the fixing shaft, and the hinge assembly is installed and fixed through the mounting bracket.

[0046] Further, the clutch lever 21 is movably connected with the motor end cover 18, a torsion spring 24 is arranged between the clutch lever 21 and the motor end cover 18, a lever rocker arm 22 is arranged on the clutch lever 21, the lever rocker arm 22 is connected with the clutch gear 16, the clutch switch 3 pulls the clutch lever 21 to rotate through a pull wire 59, the clutch lever 21 pushes the clutch gear 16 to move, so that the clutch gear is separated from the transmission wheel, and the effect of clutching is achieved.

[0047] Further, the motor end cover 18 is provided with a lever microswitch 23.

[0048] Further, the hinge 37 is provided with a transmission wheel two 38, a guide wheel one 39, a guide wheel two 40 and a pulley 41.

[0049] Further, the front synchronous belt mounting seat 4 comprises a screw one 42, an upper cover plate 43 and a lower cover plate 45, the upper cover plate 43 and the lower cover plate 45 are connected through the screw one 42, and one end of the synchronous belt 6 is fixed between the upper cover plate 43 and the lower cover plate 45.

[0050] Further, the lower cover plate 45 is provided with a synchronous belt compression spring 44.

[0051] Further, the rear synchronous belt mounting seat 5 comprises a screw two 47, an adjusting sliding block 49, a rear mounting seat 50 and a pressing plate 51, the adjusting sliding block and the pressing plate are connected through a screw, one end of the synchronous belt 6 is fixed between the adjusting sliding block 49 and the pressing plate 51, the adjusting sliding block 49 and the pressing plate 51 are mounted on the rear mounting seat 50 through the screw two 47, and a spring is arranged between the screw two 47 and the adjusting sliding block 49.

[0052] Further, one side of the lower cover plate 45 and the pressing plate 51 is provided with an arc-shaped tooth structure 46.

[0053] Further, the clutch lever 21 is provided with a pull wire fixing groove 20, one end of the pull wire 59 is fixed in the pull wire fixing groove 20, an outer side of the pull wire is sleeved with a pull wire sleeve 7, the motor end cover is provided with a pull wire sleeve mounting groove 19, and one end of the pull wire sleeve is mounted in the pull wire sleeve mounting groove.

[0054] Furthermore, a plug-in port 11 is provided on one side of the driving motor.

[0055] Furthermore, the turbine is sleeved on a synchronous pulley, and a bearing (not shown) is provided between the synchronous pulley and the fixed shaft.

[0056] Furthermore, the fixed cover is arranged on the outside of the synchronous pulley, and the fixed cover 9 is installed on the hinge.

[0057] When the utility model is implemented, an upper guide rail 52, a middle guide rail 53, a lower guide rail 54 and a B-pillar switch 55 are set on the vehicle body 57; the front timing belt mounting seat and the rear timing belt mounting seat are installed at both ends of the middle guide rail (such as Figure 12 As shown), the timing belt is in a relatively straightened state; the motor assembly, the reduction mechanism of the actuator assembly, and the hinge assembly are installed in the vehicle door 56 or at the assembly installation location 58 on the vehicle door, and the clutch switch (mechanical switch or electric switch) is connected to the clutch lever through a pull wire.

[0058] During operation, the driving motor drives the motor transmission spline structure to rotate through the output shaft, the motor spline structure drives the clutch gear and transmission wheel 1 to rotate, the transmission wheel 1 drives the coupling and worm to rotate through the steel wire flexible shaft, the worm drives the turbine to rotate, the turbine drives the synchronous pulley to rotate, and is affected by the synchronous belt setting. The synchronous pulley drives the hinge assembly and the car door to move, thereby realizing the opening and closing movement of the car door.

[0059] When clutching, the clutch switch pulls the cable, the cable pulls the clutch lever to rotate, and the clutch rocker arm of the clutch lever pushes the clutch gear to move axially, so that the clutch gear is separated from the transmission wheel, thereby isolating the power output path of the drive motor and realizing the clutch effect.

[0060] When the clutch is engaged, after the clutch switch cable is reset, the torsion spring drives the clutch lever to reset. At the same time, under the action of the compression spring, the compression spring pushes the clutch gear to move axially, so that the clutch gear is connected to the transmission wheel, realizing the conduction of the drive motor power transmission path, making the drive motor work and realizing the normal opening and closing of the car door.

[0061] The above are only specific embodiments of the present invention, but the scope of protection of the present invention is not limited to them. Any changes or substitutions that do not require creative work should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection defined in the claims.

Claims

1. A mechanical clutch drive assembly for a side sliding door of an automobile, characterized in that: The clutch switch is connected with the motor assembly through a pull wire, the motor assembly comprises a driving motor, a driving motor mounting plate, an output shaft, a clutch gear, a transmission wheel one, a motor end cover and a clutch lever, the driving motor and the motor end cover are mounted on the driving motor mounting plate, the output shaft is mounted on the driving motor, a motor transmission spline structure is mounted on the output shaft, the motor transmission spline structure is spline-connected with the clutch gear, a compression spring is arranged between the motor transmission spline structure and the clutch gear, the clutch gear is spline-connected with the transmission wheel one, and the driving motor drives the motor transmission spline structure, the clutch gear and the transmission wheel one to rotate in sequence through the output shaft; The actuator assembly comprises a speed reduction mechanism, a hinge assembly, a synchronous belt, a front synchronous belt mounting seat and a rear synchronous belt mounting seat, the actuator assembly is connected with the front synchronous belt mounting seat and the rear synchronous belt mounting seat through the synchronous belt, and the speed reduction mechanism comprises a steel wire hose assembly, a worm assembly and a gear box; The worm assembly comprises a steel wire flexible shaft, a shaft coupling, a worm and a turbine, the shaft coupling connects the steel wire flexible shaft and the worm, the worm is connected with the turbine, one end of the steel wire flexible shaft is provided with a square structure body, the square structure body is connected with the transmission wheel one, and the transmission wheel one drives the steel wire flexible shaft to rotate through the square structure body; The steel wire hose assembly comprises a front connecting sleeve, a steel wire hose sheath and a rear connecting sleeve, the front connecting sleeve, the steel wire hose sheath and the rear connecting sleeve are connected in sequence, the front connecting sleeve is connected with the motor end cover, the rear connecting sleeve is connected with the gear box, the steel wire flexible shaft passes through the front connecting sleeve, the steel wire hose sheath and the rear connecting sleeve, and the steel wire flexible shaft drives the worm and the turbine to rotate in sequence through the shaft coupling. The hinge assembly comprises a mounting bracket, a fixing cover, a synchronous pulley, a fixing shaft and a hinge, the fixing shaft passes through the hinge, the turbine and the synchronous pulley are mounted on the fixing shaft, the turbine is spline-connected with the synchronous pulley, the turbine drives the synchronous pulley to rotate, and the synchronous pulley rolls along the synchronous belt.

2. A mechanical clutch drive assembly for a side sliding door of a vehicle as claimed in claim 1, wherein: The clutch lever is movably connected with the motor end cover and is provided with a torsional spring between the clutch lever and the motor end cover; a lever rocker arm is arranged on the clutch lever and connected with the clutch gear.

3. A mechanical clutch drive assembly for a side sliding door of a vehicle as defined in claim 2, characterized in that: A lever microswitch is mounted on the motor end cover.

4. A mechanical clutch drive assembly for a side sliding door of an automobile as set forth in claim 1, characterized in that: Transmission wheel two, guide wheel one, guide wheel two and a pulley are mounted on the hinge.

5. A mechanical clutch drive assembly for a side sliding door of an automobile as set forth in claim 1, wherein: The front synchronous belt mounting seat comprises a screw one, an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are connected through the screw one, and one end of the synchronous belt is fixed between the upper cover plate and the lower cover plate.

6. A mechanical clutch drive assembly for a side sliding door of a vehicle as defined in claim 5, wherein: A synchronous belt compression spring is arranged on the lower cover plate.

7. A mechanical clutch drive assembly for a side sliding door of an automobile as set forth in claim 5, characterized in that: The rear synchronous belt mounting seat comprises a screw two, an adjusting sliding block, a rear mounting seat and a pressing plate, the adjusting sliding block and the pressing plate are connected through the screw, one end of the synchronous belt is fixed between the adjusting sliding block and the pressing plate, the adjusting sliding block and the pressing plate are mounted on the rear mounting seat through the screw two, and a spring is arranged between the screw two and the adjusting sliding block.

8. A mechanical clutch drive assembly for a side sliding door of a vehicle as defined in claim 7, characterized in that: Arc-shaped tooth structures are arranged on one side of the lower cover plate and the pressing plate.