A car seat track locking device

Abstract

This invention discloses a car seat track locking device, relating to the field of car seat device technology. It includes a mounting sheet metal, with a load-bearing connecting plate fastened to the top of the mounting sheet metal via self-tapping bolts connected by equally spaced threads. A sliding side rail is mounted on the top of the load-bearing connecting plate, and a locking component is slidably connected to the surface of the sliding side rail. A lower fixed track is welded to the side of the load-bearing connecting plate. Through the cooperation of the locking component, the damping locking end, and the locking connecting block, the overall device effectively reduces the risk of the internally connected flexible shaft pin breaking after wear when the track is subjected to impact or sudden braking under long-term high-intensity load-bearing operation of the seat and user, thus preventing jamming during subsequent track sliding. This ensures the stability of the seat sliding and the service life of the flexible shaft pin, as well as stability during driving, improving user comfort.

Description

Technical Field

[0001] This invention relates to the field of automotive seat tracks, and more specifically, to an automotive seat track locking device. Background Technology

[0002] With the development of the electric vehicle industry, customers have increasingly higher requirements for vehicle safety and comfort. Among these, car seats have a significant impact on vehicle safety and comfort. A car seat generally consists of a seat body and a sliding rail system. The seat body is mounted on the vehicle chassis via the sliding rail system. The sliding rail system typically includes a lower sliding rail fixed to the vehicle chassis and an upper sliding rail fixed to the seat body. The upper and lower sliding rails maintain a sliding fit. After the upper sliding rail moves along the lower sliding rail for a certain distance, it can be fixed to a predetermined position. For this purpose, the seat sliding rail has a sliding rail lock that is a locking device that fixes the position of the upper sliding rail relative to the lower sliding rail.

[0003] However, in the current technology, the traditional car seat rail locks are fixed by simply inserting a locking pin into the mounting hole of the upper rail. However, under long-term heavy loads, when subjected to impact or sudden braking, the internal connecting flexible shaft pin is prone to breakage after wear, causing jamming during subsequent rail sliding and shaking during driving, affecting user experience and failing to guarantee user safety. Therefore, there is a need to propose a car seat rail locking device. Summary of the Invention

[0004] To overcome the shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a car seat rail locking device. This addresses the issue that in the use of traditional car seat rail locks mentioned in the background art, the upper rail is fixed simply by inserting a locking pin into the mounting hole of the lower rail. However, under long-term high-intensity load-bearing operation, when subjected to impact or sudden braking, the internally connected flexible shaft pin is prone to breakage after wear, causing jamming during subsequent rail sliding and easy shaking during driving, affecting the user experience and failing to guarantee user safety.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] This invention provides an automotive seat track locking device, including a mounting sheet metal. A load-bearing connecting plate is threadedly connected to the top of the mounting sheet metal at equal intervals along its length using self-tapping screws. A sliding side rail is mounted on the top of the load-bearing connecting plate. A locking assembly is slidably connected to the surface of the sliding side rail. A lower fixed rail is welded to the side of the load-bearing connecting plate. A rail fastening end is mounted on the side of the lower fixed rail. Sliding guide grooves are symmetrically formed on both sides of the surface of the lower fixed rail. A receiving cavity is formed inside the sliding guide groove. A sliding rail is installed inside the lower fixed rail. An upper sliding guide rail is slidably connected to the receiving cavity, the sliding guide groove, and the lower fixed rail. A locking connecting block is installed inside the receiving cavity and the sliding guide groove. A damping locking end is fastened to the bottom of the locking connecting block.

[0007] The locking assembly includes a sliding locking sheet metal. A connecting side frame is welded to the side of the sliding locking sheet metal. A position motion sensor is installed on the top of the connecting side frame. A limit bearing end is installed on the side of the sliding locking sheet metal. A drive shaft is installed on the side of the limit bearing end. Positioning key teeth are provided on the circumferential surface of the drive shaft. A stop is connected to the side of the positioning key teeth. A locking key is provided on the top side of the stop. A dual-shaft drive cylinder is mounted on the side of the stop. A locking end is opened on the inner side of the sliding locking sheet metal. A locking pressure part is installed on the side of the stop. A clutch pin is embedded in the inner side of the sliding locking sheet metal.

[0008] In a preferred embodiment of the present invention, locking guide grooves are provided on both ends of the upper sliding guide rail. Damping pressure ends are installed on both the left and right ends of the locking guide grooves. The locking guide grooves facilitate the installation of the left and right support frames. When track locking is required, the left and right support frames drive the gearbox to move outside the drive threaded rod, ensuring the operation of the gearbox.

[0009] In a preferred embodiment of the present invention, a drive threaded rod is installed inside the sliding track, a gearbox is installed outside the drive threaded rod, a damping and noise-reducing sleeve is installed on the side of the gearbox, and a connecting transmission gear is installed on the top of the gearbox. Installing the damping and noise-reducing sleeve on the side of the gearbox makes it easier for the gearbox to slide outside the drive threaded rod, so that the damping and noise-reducing sleeve can minimize the noise generated and improve the user's comfort.

[0010] In a preferred embodiment of the present invention, a force-bearing tooth hole is formed on the side surface of the connecting transmission tooth, a flexible shaft pin is inserted into the inside of the force-bearing tooth hole, a buffer force-bearing plate is sleeved on the side of the flexible shaft pin, a connecting transmission component is installed on the side of the buffer force-bearing plate, and a drive motor is connected to the side end of the connecting transmission component. When the car seat track is moved, the starting control of the drive motor causes the connecting transmission component to drive the flexible shaft pin through the force-bearing tooth hole and transmit power inside the connecting transmission tooth. At the same time, with the cooperation of the buffer force-bearing plate, the rotation of the flexible shaft pin is guaranteed, and the toughness of the flexible shaft pin is protected, so that the stress generated by the torque on the flexible shaft pin is reduced, thus ensuring the service life of the flexible shaft pin.

[0011] In a preferred embodiment of the present invention, a protective component is installed on the bottom side of the drive motor, and a terminal is provided on the side end of the drive motor. The terminal is internally electrically connected to a control circuit, and a motor controller is connected to the side end of the control circuit. With the cooperation of the motor controller, it is convenient to transmit control signals from the terminal to the drive motor through the control circuit, so as to control and adjust the use of the drive motor, thereby enabling the car seat to slide inside the lower fixed track via the upper sliding guide rail.

[0012] In a preferred embodiment of the present invention, a claw plate is mounted on the top of the upper sliding guide rail. An elastic element is provided inside the claw plate, and a pin opening is provided on the side surface of the claw plate. The claw plate and the flexible shaft pin are inserted into each other. The claw plate is mounted on the top of the upper sliding guide rail, so that the pin opening and the force-bearing tooth hole are opposite each other. When the flexible shaft pin is inserted from the pin opening to the force-bearing tooth hole for transmission, the elastic element forms a sleeve around the flexible shaft pin, so that the elastic element inside the claw plate cooperates with the flexible shaft pin to rotate. That is, the flexible shaft pin is transmitted, and the elastic element remains stationary relative to the flexible shaft pin. Thus, when the flexible shaft pin is subjected to external forces, the elastic element provides buffer protection for the flexible shaft pin, avoiding hard deformation of the flexible shaft pin, the pin opening, and the inside of the force-bearing tooth hole, which could cause breakage.

[0013] In a preferred embodiment of the present invention, a left support frame and a right support frame are respectively installed on the sides of the gearbox. The sides of the left support frame and the right support frame are both installed inside the locking guide groove. With the cooperation of the left support frame and the right support frame, it is ensured that when the gearbox moves, it drives the upper sliding guide rail to move synchronously within the sliding rail inside the lower fixed rail.

[0014] In a preferred embodiment of the present invention, a locking tooth end is provided on the side of the lower fixed track, and a locking fork is installed inside the locking tooth end. A connecting member is connected to the side end of the locking fork, and a rotating member is connected to the side end of the connecting member. Under the action of the rotating member, the connecting member and the locking fork can be rotated at an angle of ±45°, so as to form a lock with the locking tooth end and stop the sliding guide rail.

[0015] In a preferred embodiment of the present invention, a handle is installed on the side end of the rotating component. The side of the handle passes through the rotating component and the connecting component and is fastened together. While the drive motor controls the operation, the handle can also be used to drive the connecting component to make the rotating component press down and rotate for adjustment, thereby facilitating the adjustment of the seat's sliding by manual operation.

[0016] In a preferred embodiment of the present invention, a pressing force-bearing part is provided on the side of the lower fixed track, and a connecting hole is provided on the side of the mounting sheet metal. Under the action of the pressing force-bearing part, the bending angle of the handle end can be adjusted, and the locking fork and locking tooth end can be adjusted and locked.

[0017] The beneficial effects of this invention are as follows:

[0018] This invention provides an automotive seat track locking device. Through the cooperation of a locking assembly, a damping locking end, and a locking connecting block, it facilitates the sliding of the seat onto the surface of an upper sliding guide rail as the seat moves synchronously with the upper sliding guide rail. This is achieved by the cooperation of the receiving cavity and the sliding guide groove, simultaneously using the damping locking end, the connecting side bracket, and the locking connecting block to drive the sliding locking sheet metal to slide on the surface of the sliding side rail. Furthermore, when the upper sliding guide rail stops moving the seat, the cooperation of a position sensor, a dual-axis drive cylinder, a limit bearing end, a locking key, a drive shaft column, and a positioning key causes a stop to engage the locking mechanism. The fixed pressure part is locked inwards towards the locking end. At the same time, the locking pressure part, in conjunction with the driving force of the dual-shaft drive cylinder, facilitates the force application of the clutch pin, thereby locking the clutch pin through the damping locking end. This ensures the locking stability of the car seat. The entire device effectively reduces the risk of the internally connected flexible shaft pin breaking after wear when the track is subjected to impact or sudden braking under the high-intensity load of the seat and user for a long time. This can cause jamming during subsequent track sliding and ensures stability during driving, improving user comfort.

[0019] By combining a buffer plate and an elastic element, the buffer plate ensures the rotational flexibility of the flexible shaft pin and protects its toughness. This reduces the stress caused by torque, ensuring the service life of the flexible shaft pin. Before operation, the flexible shaft pin is inserted sequentially from the pin opening into the force-bearing tooth hole. The elastic element forms a sleeve around the flexible shaft pin, allowing it to rotate within the claw plate. While the flexible shaft pin is in motion, the elastic element remains stationary relative to it. This buffers the flexible shaft pin when subjected to external forces, preventing hard deformation and breakage of the pin, pin opening, and force-bearing tooth hole.

[0020] With the aid of a damping and noise-reducing sleeve, it is easy to install the sleeve on the side of the gearbox. When the gearbox slides outside the drive threaded rod, the damping and noise-reducing sleeve minimizes the noise generated, improving user comfort. With the aid of the handle, when adjustment is needed, pressing the handle will cause the bending angle of the handle to be applied to the pressing force point. This allows the handle to drive the connecting piece, causing the rotating part to be adjusted by ±45° downward rotation. This facilitates the locking fork and locking tooth end to engage, stopping the sliding guide rail and ensuring the stability of the seat sliding. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the main structure of a car seat track locking device according to the present invention;

[0022] Figure 2 This is a top view of the structure of a car seat track locking device according to the present invention;

[0023] Figure 3 This is a schematic diagram showing the separation of the main body structure of the main body in the car seat track locking device of the present invention;

[0024] Figure 4 This is a schematic diagram of the installation position structure of the locking connecting block and the damping locking end in a car seat track locking device of the present invention.

[0025] Figure 5 This is a side view of the structure of a car seat track locking device according to the present invention;

[0026] Figure 6 This is a schematic diagram of the locking component in a car seat track locking device according to the present invention;

[0027] Figure 7 This is a schematic diagram of the separation structure of the locking component in a car seat track locking device of the present invention.

[0028] In the picture:

[0029] 1. Sheet metal installation; 2. Bearing connecting plate; 3. Sliding side rail; 4. Locking assembly; 41. Sliding locking sheet metal; 42. Connecting side frame; 43. Limiting bearing end; 44. Positioning key; 45. Drive shaft column; 46. Locking end; 47. Dual-shaft drive cylinder; 48. Stop; 49. Locking pressure part; 51. Clutch pin; 50. Locking key; 5. Lower fixed rail; 6. Rail fastening end; 7. Sliding guide groove; 8. Sliding rail; 9. Upper sliding guide rail; 10. Locking guide groove; 11. 12. Gearbox; 13. Connecting transmission gear; 14. Force-bearing tooth hole; 15. Damping silencer sleeve; 16. Flexible shaft pin; 17. Buffer force plate; 18. Connecting transmission component; 19. Drive motor; 20. Protective component; 21. Locking tooth end; 22. Rotating component; 23. Handle end; 24. Claw plate; 25. Pressing force part; 26. Wiring terminal; 27. Control circuit; 28. Motor controller; 29. ​​Locking connecting block; 30. Damping locking end; 31. Left support frame; 32. Right support frame. Detailed Implementation

[0030] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0031] like Figure 1-7As shown, the embodiment provides a car seat track locking device, including a mounting sheet metal 1. A bearing connecting plate 2 is threadedly connected to the top of the mounting sheet metal 1 at equal intervals along its length using self-tapping screws. A sliding side rail 3 is mounted on the top of the bearing connecting plate 2. A locking assembly 4 is slidably connected to the surface of the sliding side rail 3. A lower fixed rail 5 is welded to the side of the bearing connecting plate 2. A rail fastening end 6 is mounted on the side of the lower fixed rail 5. Sliding guide grooves 7 are symmetrically formed on both sides of the surface of the lower fixed rail 5. A receiving cavity is formed inside the sliding guide groove 7. A sliding rail 8 is installed inside the lower fixed rail 5. An upper sliding guide rail 9 is slidably connected to the receiving cavity, the sliding guide groove 7, and the interior of the lower fixed rail 5. A locking connecting block 29 is installed inside the receiving cavity and the sliding guide groove 7. The bottom of 29 is fastened with a damping locking end 30; the locking assembly 4 includes a sliding locking sheet metal 41, a connecting side frame 42 is welded to the side of the sliding locking sheet metal 41, a position motion sensor is installed on the top of the connecting side frame 42, a limit bearing end 43 is installed on the side of the sliding locking sheet metal 41, a drive shaft column 45 is installed on the side of the limit bearing end 43, a positioning key 44 is provided on the circumferential side of the surface of the drive shaft column 45, a stop 48 is connected to the side of the positioning key 44, a locking key 50 is provided on the top side of the stop 48, a dual-shaft drive cylinder 47 is mounted on the side of the stop 48, a locking end 46 is opened on the inner side of the sliding locking sheet metal 41, a locking pressure part 49 is installed on the side of the stop 48, and a clutch pin 51 is embedded in the inner side of the sliding locking sheet metal 41.

[0032] according to Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, locking guide grooves 10 are provided on both sides of the upper sliding guide rail 9. Damping pressure ends 11 are installed on both the left and right ends of the locking guide grooves 10. The locking guide grooves 10 at both ends of the upper sliding guide rail 9 facilitate the installation of the left support frame 31 and the right support frame 32. When the rail needs to be locked, the left support frame 31 and the right support frame 32 drive the gearbox 12 to move outside the drive threaded rod, ensuring the operation of the gearbox 12.

[0033] according to Figures 1-4 As shown, a drive threaded rod is installed inside the sliding track 8, and a gearbox 12 is installed outside the drive threaded rod. A damping and noise-reducing sleeve 15 is installed on the side of the gearbox 12, and a connecting transmission gear 13 is installed on the top of the gearbox 12. Installing the damping and noise-reducing sleeve 15 on the side of the gearbox 12 makes it easier for the gearbox 12 to slide outside the drive threaded rod, so that the damping and noise-reducing sleeve 15 can reduce the noise generated by the gearbox 12 to a minimum, thereby improving the user's comfort.

[0034] according to Figure 3 As shown, a force-bearing tooth hole 14 is provided on the side surface of the connecting transmission gear 13. A flexible shaft pin 16 is inserted into the force-bearing tooth hole 14. A buffer force-bearing plate 17 is sleeved on the side of the flexible shaft pin 16. A connecting transmission component 18 is installed on the side of the buffer force-bearing plate 17. A drive motor 19 is connected to the side end of the connecting transmission component 18. When the car seat track is moved, the starting control of the drive motor 19 causes the connecting transmission component 18 to drive the flexible shaft pin 16 through the force-bearing tooth hole 14 to transmit power inside the connecting transmission gear 13. At the same time, with the cooperation of the buffer force-bearing plate 17, the rotation of the flexible shaft pin 16 is guaranteed, and the toughness of the flexible shaft pin 16 is protected, so that the stress generated by the torque on the flexible shaft pin 16 is reduced, and the service life of the flexible shaft pin 16 is guaranteed.

[0035] according to Figures 1-3 As shown, a protective component 20 is installed on the bottom side of the drive motor 19, and a terminal 26 is provided on the side end of the drive motor 19. The internal electrical control of the terminal 26 is connected to a control line 27, and the side end of the control line 27 is connected to a motor controller 28. With the cooperation of the motor controller 28, the control signal can be transmitted from the terminal 26 to the drive motor 19 through the control line 27, so as to control and adjust the use of the drive motor 19, thereby allowing the car seat to slide inside the lower fixed track 5 via the upper sliding guide rail 9.

[0036] according to Figure 1 and Figure 3 As shown, a claw plate 24 is mounted on the top of the upper sliding guide rail 9. An elastic element is provided inside the claw plate 24, and a pin opening is provided on the side surface of the claw plate 24. The claw plate 24 and the flexible shaft pin 16 are inserted into each other. The claw plate 24 is mounted on the top of the upper sliding guide rail 9 so that the pin opening and the force-bearing toothed hole 14 are opposite each other. When the flexible shaft pin 16 is inserted from the pin opening into the force-bearing toothed hole 14 for transmission, the elastic element forms a sleeve on the periphery of the flexible shaft pin 16. The elastic element cooperates with the flexible shaft pin 16 to rotate inside the claw plate 24. That is, the flexible shaft pin 16 is transmitting power, and the elastic element remains stationary relative to the flexible shaft pin 16. Thus, when the flexible shaft pin 16 is subjected to external forces, the elastic element provides buffer protection for the flexible shaft pin 16, avoiding hard deformation of the flexible shaft pin 16, the pin opening, and the force-bearing toothed hole 14, which could cause breakage.

[0037] according to Figure 5 As shown, a left support frame 31 and a right support frame 32 are respectively installed on the sides of the gearbox 12. The sides of the left support frame 31 and the right support frame 32 are both installed inside the locking guide groove 10. With the cooperation of the left support frame 31 and the right support frame 32, the gearbox 12 is guaranteed to drive the upper sliding guide rail 9 to move synchronously within the sliding rail 8 inside the lower fixed rail 5 when it moves.

[0038] according to Figure 1 , Figure 3 and Figure 5 As shown, a locking tooth end 21 is provided on the side of the lower fixed track 5. A locking fork is installed inside the locking tooth end 21. A connecting piece is connected to the side end of the locking fork. A rotating piece 22 is connected to the side end of the connecting piece. Under the action of the rotating piece 22, the connecting piece and the locking fork can be rotated at an angle of ±45°, so as to form a lock with the locking tooth end 21 and stop the sliding guide rail 9.

[0039] according to Figure 1 and Figure 2 As shown, a handle end 23 is installed on the side of the rotating part 22. The side of the handle end 23 passes through the rotating part 22 and the connecting part and is fastened. While the drive motor 19 controls the operation, the handle end 23 can also be used to drive the connecting part to make the rotating part 22 press down and rotate for adjustment, so as to facilitate the adjustment of the seat sliding by manual operation.

[0040] according to Figure 1 As shown, a pressing force-bearing part 25 is provided on the side of the lower fixed track 5, and a connecting hole is provided on the side of the mounting sheet metal 1. Under the action of the pressing force-bearing part 25, the bending angle of the handle end 23 can be adjusted, and the locking fork and locking tooth end 21 can be adjusted and locked.

[0041] The wiring diagrams of the clutch pin 51, drive motor 19 and motor controller 28 in this invention are common knowledge in the field, and their working principles are known technologies. The appropriate model is selected according to actual use. Therefore, the control method and wiring layout of the clutch pin 51, drive motor 19 and motor controller 28 will not be explained in detail.

[0042] The usage and working principle of this device are as follows: First, during installation, the mounting sheet metal 1 and connecting holes facilitate the secure mounting of the entire device onto the surface of the car's interior floor. Next, before installation, the upper sliding guide rail 9 is installed inside the lower fixed rail 5, and the sliding side rail 3 is installed on the side of the lower fixed rail 5. When sliding control adjustment of the car seat is required, the motor controller 28 transmits the control signal through the control line 27 from the terminal 26 to the drive motor 19, facilitating the control and adjustment of the drive motor 19. The start control of the drive motor 19 causes the connecting piece 18 to drive the flexible shaft pin 16 through the force-bearing tooth hole 14 within the connecting transmission tooth 13, while simultaneously, the buffer force plate 17... With the cooperation of the claw plate 24, the rotation of the flexible shaft pin 16 is guaranteed, and the toughness of the flexible shaft pin 16 is protected. This reduces the stress generated by the torque on the flexible shaft pin 16, ensuring its service life. Before operation, the flexible shaft pin 16 is inserted sequentially from the pin opening into the force-bearing toothed hole 14. The elastic element forms a sleeve around the flexible shaft pin 16, allowing the elastic element to rotate within the claw plate 24 and engage with the flexible shaft pin 16. While the flexible shaft pin 16 is transmitting power, the elastic element remains stationary relative to the flexible shaft pin 16. This provides a buffer protection for the flexible shaft pin 16 when subjected to external forces, preventing hard deformation and breakage of the flexible shaft pin 16, the pin opening, and the force-bearing toothed hole 14. When the transmission is connected... When gear 13 rotates, it drives the gear set inside gearbox 12 to mesh and rotate synchronously. This causes gearbox 12 to drive the upper sliding guide rail 9 to move synchronously outside the drive threaded rod inside the lower fixed track 5 via the left support frame 31 and the right support frame 32. With the assistance of handle end 23, when adjustment is needed, pressing handle end 23 causes the bending angle of handle end 23 to be stressed at the pressing force part 25. This allows handle end 23 to drive the connecting piece, causing the rotating part 22 to rotate downwards at an angle of ±45° for adjustment. This facilitates the locking fork and locking tooth end 21 to engage, stopping the sliding guide rail 9. When the seat is mounted on the surface of the upper sliding guide rail 9, as the upper sliding guide rail 9 moves synchronously, it causes the seat to move synchronously within the receiving cavity and... With the cooperation of the sliding guide groove 7, the damping locking end 30, the connecting side frame 42, and the locking connecting block 29 are used to drive the sliding locking sheet metal 41 to slide on the surface of the sliding side rail 3. When the upper sliding guide rail 9 stops the seat, the stop action signal is transmitted to the position action sensor. The position action sensor then transmits the received signal to the dual-axis drive cylinder 47 in real time. After receiving the new control command signal, the dual-axis drive cylinder 47 drives the stop 48 to move and adjust at the limit bearing end 43. That is, with the cooperation of the locking key 50, it engages with the positioning key 44 set on the periphery of the surface of the drive shaft column 45. This causes the stop 48 to drive the locking pressure part 49 to be forcefully locked inward towards the locking end 46.Simultaneously, the locking pressure part 49, in conjunction with the driving force of the dual-shaft drive cylinder 47, facilitates the force application of the clutch pin 51, thereby locking the clutch pin 51 through the damping locking end 30. This ensures the locking stability of the car seat. The overall device effectively reduces the risk of the internally connected flexible shaft pin 16 breaking due to wear after impact or sudden braking under prolonged high-intensity load on the seat and user, which could cause jamming during subsequent track sliding. It also ensures stability during driving, improving user comfort.

[0043] Other techniques in this embodiment are based on existing technologies.

[0044] This invention has been described through preferred embodiments. Those skilled in the art will understand that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the invention. This invention is not limited to the specific embodiments disclosed herein; other embodiments falling within the scope of the claims are also within the protection scope of this invention.

Claims

1. A car seat track locking device, characterized in that: The system includes a mounting sheet metal (1), a bearing connecting plate (2) is threadedly connected to the top of the mounting sheet metal (1) at equal intervals along the length of the mounting sheet metal (1) by self-tapping screws, a sliding side rail (3) is installed on the top of the bearing connecting plate (2), a locking component (4) is slidably connected to the surface of the sliding side rail (3), a lower fixed rail (5) is welded to the side of the bearing connecting plate (2), a rail fastening end (6) is installed on the side of the lower fixed rail (5), sliding guide grooves (7) are symmetrically opened on both sides of the surface of the lower fixed rail (5), a receiving cavity is opened inside the lower fixed rail (5), a sliding rail (8) is installed inside the lower fixed rail (5), an upper sliding guide rail (9) is slidably connected inside the receiving cavity and the sliding guide groove (7), a locking connecting block (29) is installed inside the receiving cavity and the sliding guide groove (7), and a damping locking end (30) is fastened to the bottom of the locking connecting block (29). The locking assembly (4) includes a sliding locking sheet metal (41), a connecting side frame (42) welded to the side of the sliding locking sheet metal (41), a position motion sensor mounted on the top of the connecting side frame (42), a limit bearing end (43) mounted on the side of the sliding locking sheet metal (41), a drive shaft column (45) mounted on the side of the limit bearing end (43), and positioning key teeth (44) provided on the circumferential surface of the drive shaft column (45). A stop (48) is provided on the side of the positioning key (44), a locking key (50) is provided on the top side of the stop (48), a dual-shaft drive cylinder (47) is mounted on the side of the stop (48), a locking end (46) is provided on the inner side of the sliding locking sheet metal (41), a locking pressure part (49) is installed on the side of the stop (48), and a clutch pin (51) is embedded in the inner side of the sliding locking sheet metal (41). The upper sliding guide rail (9) has locking guide grooves (10) on both sides, and damping pressure end (11) is installed at both the left and right ends of the locking guide groove (10). A drive threaded rod is installed inside the sliding track (8), and a gearbox (12) is installed outside the drive threaded rod. A damping and noise-reducing sleeve (15) is installed on the side of the gearbox (12), and a connecting transmission gear (13) is installed on the top of the gearbox (12). The side surface of the connecting transmission tooth (13) is provided with a force-bearing tooth hole (14), a flexible shaft pin (16) is inserted into the inside of the force-bearing tooth hole (14), a buffer force-bearing plate (17) is sleeved on the side of the flexible shaft pin (16), a connecting transmission component (18) is installed on the side of the buffer force-bearing plate (17), and a drive motor (19) is connected to the side end of the connecting transmission component (18).

2. The automotive seat track locking device according to claim 1, characterized in that: A protective component (20) is installed on the bottom side of the drive motor (19), and a terminal (26) is provided on the side end of the drive motor (19). The terminal (26) is electrically connected to a control circuit (27), and a motor controller (28) is connected to the side end of the control circuit (27).

3. The automotive seat track locking device according to claim 1, characterized in that: The top of the upper sliding guide rail (9) is equipped with a claw plate (24), the inside of the claw plate (24) is provided with an elastic element, the side surface of the claw plate (24) is provided with a pin hole, and the claw plate (24) and the flexible shaft pin (16) are inserted into each other.

4. The automotive seat track locking device according to claim 1, characterized in that: The gearbox (12) is provided with a left support frame (31) and a right support frame (32) on its sides respectively. The sides of the left support frame (31) and the right support frame (32) are both installed inside the locking guide groove (10).

5. The automotive seat track locking device according to claim 1, characterized in that: The lower fixed track (5) is provided with a locking tooth end (21) on its side. A locking fork is installed inside the locking tooth end (21). A connecting piece is connected to the side end of the locking fork. A rotating piece (22) is connected to the side end of the connecting piece.

6. The automotive seat track locking device according to claim 5, characterized in that: A handle end (23) is installed on the side of the rotating part (22), and the handle end (23) passes through the rotating part (22) and the connecting part for fastening.

Images