Electric sliding door driving mechanism

By adopting a geared motor and rack and pinion guide structure in the electric sliding door drive mechanism, the problem of wear under high load in existing electric sliding door drive mechanisms has been solved, achieving stable operation and long service life for electric sliding door drives.

CN223813998UActive Publication Date: 2026-01-20JINHU YIZHONG CONTROL SYST CO LTD
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Patent Information

Application Number
CN202520100522.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-01-20
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Existing electric sliding door drive mechanisms are prone to wear under high loads, have short service life, and low transmission efficiency, requiring regular maintenance or replacement of timing belts or wire ropes.

Method used

The electric sliding door adopts a geared motor drive mechanism and uses a gear, rack, guide rail and sliding structure design to realize the translation and sliding of the electric sliding door, reduce friction and wear, and improve transmission efficiency and service life.

Benefits of technology

It achieves stable operation of electric sliding doors, extends service life, improves transmission efficiency, has a simple and reliable structure, is easy to install, and is highly adaptable.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223813998U_ABST
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Abstract

The utility model discloses an electric sliding door driving mechanism, which relates to the technical field of electric sliding doors and comprises a mounting plate, a speed reducing motor is fixedly mounted on the upper surface of the mounting plate, the output end of the speed reducing motor is fixedly connected with an output shaft, and a bearing seat is fixedly mounted on the upper surface of the mounting plate. A rotating shaft is rotatably installed on the outer wall of the bearing seat, the output shaft is in transmission connection with the rotating shaft through a bevel gear, the outer wall of the rotating shaft is fixedly sleeved with a gear, and the lower surface of the gear is meshed with a rack. The sliding structure drives the door connecting plate to move leftwards through the mounting support, so that translation sliding of the door connecting plate is achieved, compared with lead screw driving, the transmission efficiency is higher, compared with synchronous belt driving, the service life is longer, operation is more stable, and the electric sliding door driving mechanism is simple and reliable in structure, convenient to mount and high in adaptability.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric sliding door technical field especially relates to a kind of electric sliding door drive mechanism. BACKGROUND

[0002] With the maturity and development of electronic technology, car gradually develops towards intelligent and comfortable direction, and more and more business car, passenger car adopts electric sliding door, to make electric sliding door side open convenient and labor-saving.

[0003] For example, the Chinese patent document with publication number CN201502258U discloses an electric sliding door drive mechanism, which records "containing a shell seat, a transmission unit arranged in the shell seat, a sliding unit combined with the shell seat, the sliding unit contains a movable pulley combined with the transmission unit, and a fixed pulley arranged in the shell seat and located at the two ends of the transmission unit, and first and second pulling units are arranged around the movable pulley and the fixed pulley respectively. Thus, it can be combined with the required door body, and the output length is doubled and enlarged when the movable pulley and the first and second pulling units are in action, to meet the full stroke of the door body action", the mechanism is simple in structure, and can save setting space.

[0004] For example, the Chinese patent document with publication number CN215443716U discloses an intelligent electric sliding door, which records "a sliding door body and a door frame, the sliding door body is slidingly connected to the door frame, further comprising a lead screw, a motor for driving the lead screw to rotate, and a moving block for driving the sliding door body to move transversely, the moving block and the lead screw are threadedly connected", the scheme realizes electric driving of the sliding door, without manual pushing and pulling, and is simple and convenient to operate.

[0005] However, the existing technology still has the following defects or problems: the above-mentioned electric sliding door drive mechanism is driven by a lead screw, which is prone to generate large friction and wear under high load, and needs regular maintenance, otherwise the service life is short, and the lead screw transmission efficiency is low; the other is to realize the opening and closing of electric sliding door by using synchronous belt or steel wire rope traction, which is driven by synchronous belt or steel wire rope traction, and the service life of synchronous belt and steel wire rope is shorter and is prone to wear, and needs regular replacement, therefore it is urgent to develop an electric sliding door drive mechanism which is simple and reliable in structure, easy to install, stable in operation, strong in adaptability and long in service life. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the shortcomings in the prior art, and provides an electric sliding door drive mechanism.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] The utility model provides an electric sliding door drive mechanism, including the mounting plate, the upper surface of mounting plate is fixedly installed with speed reducer, the output end of speed reducer is fixedly connected with output shaft, the upper surface of mounting plate is fixedly installed with bearing seat, the outer wall of bearing seat is rotatably installed with rotating shaft, output shaft and rotating shaft are connected through bevel gear transmission, the outer wall of rotating shaft is fixedly sleeved with gear, the lower surface of gear is engaged with rack, the lower surface of rack is fixedly connected with first connecting plate, the lower surface of first connecting plate all installs the sliding structure, the other end of sliding structure all is fixedly connected with the mounting support, the outer wall of mounting plate is equipped with the installation mouth, the guide rail structure is fixedly installed in the installation mouth of mounting plate, sliding structure and guide rail structure are connected.

[0009] Preferably, the guide rail structure, installation mouth, first connecting plate, sliding structure and mounting support are two, the two guide rail structures are located on both sides of the mounting plate, and the two first connecting plates are located at both ends of the rack.

[0010] Preferably, the guide rail structure includes a linear guide rail and an arc-shaped guide rail, one end of the linear guide rail is welded to one end of the arc-shaped guide rail, a fixing plate is fixedly connected to the outer wall of the linear guide rail and the arc-shaped guide rail, the fixing plate is fixedly connected to the mounting plate, an upper guide groove is formed in the upper surface of the linear guide rail and the arc-shaped guide rail, and a lower guide groove is formed in the lower surface of the linear guide rail and the arc-shaped guide rail.

[0011] Preferably, the sliding structure includes a sliding block, the sliding block is located in the linear guide rail, a cam follower is fixedly installed on both sides of the sliding block, the cam follower is in contact with the inner wall of the linear guide rail, an upper connecting rod is rotatably connected to the upper surface of the cam follower, the other end of the upper connecting rod extends to the upper surface of the linear guide rail through the upper guide groove, the other end of the upper connecting rod is fixedly connected to the first connecting plate, a lower connecting rod is rotatably connected to the lower surface of the cam follower, the other end of the lower connecting rod extends to the lower surface of the linear guide rail through the lower guide groove, and the other end of the lower connecting rod is fixedly connected to the mounting support.

[0012] Preferably, the mounting support includes a second connecting plate, the second connecting plate is fixedly connected to the lower connecting rod, a connecting support is fixedly connected to the lower surface of the second connecting plate, the connecting support is L-shaped, and a third connecting plate is fixedly connected to the other end of the connecting support.

[0013] Preferably, a hinged door plate is arranged between the two mounting supports, and the two third connecting plates are fixedly connected through the hinged door plate.

[0014] The utility model discloses an electric sliding door drive mechanism, including the mounting plate, the upper surface of mounting plate is fixedly installed with speed reducer, the output end of speed reducer is fixedly connected with output shaft, the upper surface of mounting plate is fixedly installed with bearing seat, the outer wall of bearing seat is rotably installed with rotating shaft, output shaft and rotating shaft are connected through bevel gear transmission, the outer wall of rotating shaft is fixedly sleeved with gear, the lower surface of gear is engaged with rack, the lower surface of rack is fixedly connected with first connecting plate, the lower surface of first connecting plate all installs the sliding structure, the other end of sliding structure all is fixedly connected with the mounting support, the outer wall of mounting plate is equipped with the installation mouth, the guide rail structure is fixedly installed in the installation mouth of mounting plate, sliding structure and guide rail structure are connected.

[0015] The utility model discloses a gear, rack, guide rail structure, first connecting plate, sliding structure, the design of mounting support, start deceleration motor, deceleration motor drives output shaft rotation, and output shaft drives rotation axle rotation through bevel gear, and rotation axle drives gear rotation, and gear drives rack to left side movement, and rack drives sliding structure to left side movement through first connecting plate, and sliding structure drives link plate to left side movement through mounting support, thereby realize the translation sliding of link plate, compare lead screw drive, and transmission efficiency is higher, and compare synchronous belt drive, and service life is longer, and running is more stable, and the structure of the electric sliding door drive mechanism is simple and reliable, and convenient installation is strong in adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a top view of a kind of electric sliding door drive mechanism of the utility model.

[0017] Figure 2 It is a bottom view of a kind of electric sliding door drive mechanism of the utility model.

[0018] Figure 3 It is a top view of the guide rail structure of a kind of electric sliding door drive mechanism of the utility model.

[0019] Figure 4 It is the structure schematic view of a kind of electric sliding door drive mechanism of the utility model Figure 3 sectional view of A-A.

[0020] Figure 5 It is the structure schematic view of sliding structure, mounting support of a kind of electric sliding door drive mechanism of the utility model.

[0021] Mark in drawing:1, mounting plate;2, deceleration motor;3, output shaft;4, bearing seat;5, rotation axle;6, gear;7, rack;8, guide rail structure;801, linear guide rail;802, arc guide rail;803, fixed plate;804, upper guide groove;805, lower guide groove;9, mounting port;10, first connecting plate;11, sliding structure;1101, sliding block;1102, cam follower;1103, upper connecting rod;1104, lower connecting rod;12, mounting support;1201, second connecting plate;1202, connecting support;1203, third connecting plate;13, link plate. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] As shown in the accompanying drawings Figure 1 to the accompanying Figure 5 As shown in the accompanying drawings

[0024] The utility model provides an electric sliding door drive mechanism, including the mounting plate 1, the upper surface fixed mounting of mounting plate 1 has reduction motor 2, the output end fixed connection of reduction motor 2 has output shaft 3, the upper surface fixed mounting of mounting plate 1 has bearing seat 4, the outer wall rotationally installed of bearing seat 4 has rotary shaft 5, output shaft 3 and rotary shaft 5 are connected through bevel gear transmission, the outer wall fixed sleeve of rotary shaft 5 has gear 6, the lower surface of gear 6 is engaged with rack 7, the lower surface fixed connection of rack 7 has first connecting plate 10, the lower surface of first connecting plate 10 all installs sliding structure 11, another end of sliding structure 11 all fixed connection has installation support 12, the outer wall of mounting plate 1 is set up with the installation mouth 9, and the guide rail structure 8 is fixedly installed at the installation mouth 9 of mounting plate 1, and sliding structure 11 is connected with guide rail structure 8 slidingly.

[0025] In the above technical solution, start reduction motor 2, reduction motor 2 drives output shaft 3 to rotate, output shaft 3 drives rotary shaft 5 to rotate through bevel gear, rotary shaft 5 drives gear 6 to rotate, gear 6 drives rack 7 to move to left side, rack 7 drives sliding structure 11 to move to left side through first connecting plate 10, sliding structure 11 drives catch door plate 13 to move to left side through installation support 12, to realize the translation sliding of catch door plate 13.

[0026] As shown in the accompanying drawings Figure 1 to the accompanying Figure 5 It is shown that guide rail structure 8, installation mouth 9, first connecting plate 10, sliding structure 11, installation support 12 are two, two guide rail structures 8 are located at the both sides of mounting plate 1 respectively, and two first connecting plates 10 are located at the both ends of rack 7 respectively.

[0027] In the above technical solution, by setting two guide rail structures 8, first connecting plate 10, sliding structure 11, installation support 12, and setting first connecting plate 10 at the both ends of rack 7, ensure that when guide rail structure 8 rotates, guide rail structure 8 can drive rack 7 to slide stably, realize the drive of electric sliding.

[0028] The guide rail structure 8 comprises a linear guide rail 801 and an arc-shaped guide rail 802, one end of the linear guide rail 801 is welded with one end of the arc-shaped guide rail 802, the outer walls of the linear guide rail 801 and the arc-shaped guide rail 802 are fixedly connected with a fixed plate 803, the fixed plate 803 is fixedly connected with the mounting plate 1, the upper surfaces of the linear guide rail 801 and the arc-shaped guide rail 802 are provided with an upper guide groove 804, and the lower surfaces of the linear guide rail 801 and the arc-shaped guide rail 802 are provided with a lower guide groove 805; the sliding structure 11 comprises a sliding block 1101, the sliding block 1101 is located in the interior of the linear guide rail 801, the two sides of the sliding block 1101 are fixedly provided with a cam follower 1102, the cam follower 1102 is in contact with the inner wall of the linear guide rail 801, the upper surface of the cam follower 1102 is rotatably connected with an upper connecting rod 1103, the other end of the upper connecting rod 1103 extends to the upper surface of the linear guide rail 801 through the upper guide groove 804, the other end of the upper connecting rod 1103 is fixedly connected with the first connecting plate 10, the lower surface of the cam follower 1102 is rotatably connected with a lower connecting rod 1104, the other end of the lower connecting rod 1104 extends to the lower surface of the linear guide rail 801 through the lower guide groove 805, and the other end of the lower connecting rod 1104 is fixedly connected with the mounting bracket 12; the mounting bracket 12 comprises a second connecting plate 1201, the second connecting plate 1201 is fixedly connected with the lower connecting rod 1104, the lower surface of the second connecting plate 1201 is fixedly connected with a connecting bracket 1202, the connecting bracket 1202 is L-shaped, and the other end of the connecting bracket 1202 is fixedly connected with a third connecting plate 1203.

[0029] In the above technical scheme, the rack 7 drives the upper connecting rod 1103 to move to the left through the first connecting plate 10, the upper connecting rod 1103 drives the sliding block 1101 and the cam follower 1102 to slide in the linear guide rail 801, the sliding block 1101 drives the second connecting plate 1201 to move to the left through the lower connecting rod 1104, and the second connecting plate 1201 drives the hinged door plate 13 to move to the left through the connecting bracket 1202 and the third connecting plate 1203, so as to realize the translational sliding of the hinged door plate 13; when the sliding structure 11 moves into the arc-shaped guide rail 802, the sliding structure 11 continues to slide along the direction of the arc-shaped guide rail 802, that is, the sliding block 1101 and the cam follower 1102 drive the mounting bracket 12 to move forward.

[0030] Two mounting brackets 12 are provided with the hinged door plate 13, and two third connecting plates 1203 are fixedly connected through the hinged door plate 13, and the hinged door plate 13 is used for mounting the electric sliding door plate.

[0031] The specific use mode and effect of the embodiment are as follows:

[0032] The utility model discloses a sliding door structure, including the sliding door 1, the sliding door 1 is provided with the first connecting plate 10, the first connecting plate 10 is provided with the upper connecting rod 1103, the upper connecting rod 1103 is provided with the sliding block 1101 and the cam follower 1102, the sliding block 1101 is provided with the lower connecting rod 1104, the lower connecting rod 1104 is provided with the second connecting plate 1201, the second connecting plate 1201 is provided with the connecting support 1202 and the third connecting plate 1203, the third connecting plate 1203 is provided with the hinged door plate 13, the hinged door plate 13 is provided with the arc-shaped guide rail 802 and the straight guide rail 801, the straight guide rail 801 is provided with the arc-shaped guide rail 802, the utility model discloses when using, start the deceleration motor 2, the deceleration motor 2 drives the output shaft 3 rotation, the output shaft 3 drives the rotation axle 5 rotation through bevel gear, the rotation axle 5 drives the gear 6 rotation, the gear 6 drives the rack 7 to the left movement, the rack 7 drives the upper connecting rod 1103 to the left movement through the first connecting plate 10, the upper connecting rod 1103 drives the sliding block 1101, the cam follower 1102 slide in the straight guide rail 801, the sliding block 1101 drives the second connecting plate 1201 to the left movement through the lower connecting rod 1104, the second connecting plate 1201 drives the hinged door plate 13 to the left movement through the connecting support 1202 and the third connecting plate 1203, to realize the translation sliding of the hinged door plate 13 accordingly,

[0033] When the sliding structure 11 moves to the arc-shaped guide rail 802, the sliding structure 11 continues to slide along the direction of the arc-shaped guide rail 802, that is, the sliding block 1101 and the cam follower 1102 drive the mounting bracket 12 and the hinged door plate 13 to move forward, thereby realizing the plug-in action of the hinged door plate 13, which facilitates the closing of the electric sliding door.

[0034] The above structure and process please refer to Figures 1-5 .

[0035] The above, only for the utility model discloses a preferred specific implementation, but the protection scope of the utility model does not limit to this, any skilled in the art technical personnel in the utility model discloses the technical range, according to the utility model technical scheme and the utility model concept of the utility model, equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. An electrically driven sliding door drive mechanism comprising a mounting plate (1), characterized in that The upper surface of the mounting plate (1) is fixedly installed with a speed reducer (2), the output end of the speed reducer (2) is fixedly connected with an output shaft (3), the upper surface of the mounting plate (1) is fixedly installed with a bearing seat (4), the outer wall of the bearing seat (4) is rotatably installed with a rotating shaft (5), the output shaft (3) and the rotating shaft (5) are drivingly connected through bevel gears, the outer wall of the rotating shaft (5) is fixedly sleeved with a gear (6), the lower surface of the gear (6) is engaged with a rack (7), the lower surface of the rack (7) is fixedly connected with a first connecting plate (10), the lower surface of the first connecting plate (10) is installed with sliding structures (11), the other ends of the sliding structures (11) are fixedly connected with mounting brackets (12), the outer wall of the mounting plate (1) is provided with a mounting opening (9), the mounting plate (1) is fixedly installed with guide rail structures (8) at the mounting opening (9), and the sliding structures (11) and the guide rail structures (8) are slidingly connected.

2. An electrically powered sliding door drive mechanism according to claim 1, wherein, The guide rail structures (8), the mounting opening (9), the first connecting plates (10), the sliding structures (11) and the mounting brackets (12) are all two, the two guide rail structures (8) are located on the two sides of the mounting plate (1), and the two first connecting plates (10) are located at the two ends of the rack (7).

3. An electrically powered sliding door drive mechanism according to claim 2, wherein, The guide rail structure (8) comprises straight line guides (801) and arc-shaped guides (802), one end of the straight line guide (801) and one end of the arc-shaped guide (802) are mutually welded, the outer walls of the straight line guide (801) and the arc-shaped guide (802) are fixedly connected with fixed plates (803), the fixed plates (803) are fixedly connected with the mounting plate (1), the upper surfaces of the straight line guide (801) and the arc-shaped guide (802) are provided with upper guide grooves (804), and the lower surfaces of the straight line guide (801) and the arc-shaped guide (802) are provided with lower guide grooves (805).

4. An electrically powered sliding door drive mechanism according to claim 3, wherein, The sliding structure (11) comprises a sliding block (1101), the sliding block (1101) is located in the interior of the straight line guide (801), the two sides of the sliding block (1101) are fixedly installed with cam followers (1102), the cam followers (1102) are in contact with the inner walls of the straight line guides (801), the upper surfaces of the cam followers (1102) are rotatably connected with upper connecting rods (1103), the other ends of the upper connecting rods (1103) extend to the upper surfaces of the straight line guides (801) through the upper guide grooves (804), the other ends of the upper connecting rods (1103) are fixedly connected with the first connecting plates (10), the lower surfaces of the cam followers (1102) are rotatably connected with lower connecting rods (1104), the other ends of the lower connecting rods (1104) extend to the lower surfaces of the straight line guides (801) through the lower guide grooves (805), and the other ends of the lower connecting rods (1104) are fixedly connected with the mounting brackets (12).

5. An electrically powered sliding door drive mechanism according to claim 4, wherein, The mounting support (12) comprises a second connecting plate (1201), the second connecting plate (1201) is fixedly connected with the lower connecting rod (1104), and the lower surface of the second connecting plate (1201) is fixedly connected with a connecting support (1202); the connecting support (1202) is L-shaped, and the other end of the connecting support (1202) is fixedly connected with a third connecting plate (1203).

6. An electrically powered sliding door drive mechanism according to claim 5, wherein, Two mounting supports (12) are provided with a catch plate (13), and two third connecting plates (1203) are fixedly connected through the catch plate (13).

Citation Information

Patent Citations

  • Drive mechanism for power-operated sliding door

    CN201502258U

  • Intelligent electric sliding door

    CN215443716U