Automobile side door opening mechanism
By designing the automobile side door opening mechanism of guide rods, drive components and protective components, the problem of emergency braking of side doors in the prior art is solved, and effective protection of barriers and automatic operation of side doors is realized.
Patent Information
- Application Number
- CN202421317632.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The existing automobile side door opening drive mechanism cannot achieve emergency braking during the side door opening and closing process. When there is a barrier between the side door opening and the door frame, it may cause harm to personnel and pose a safety hazard.
An automobile side door opening mechanism is designed, including a guide rod, a drive assembly and a protective assembly. The guide tooth rod and drive assembly drive the side door panels to move through the servo motor and the gear plate to achieve automatic opening and closing. The protective components include a pressure sensor, a PLC controller and a dual-axis motor for detecting barriers and implementing emergency braking when the side door is opened and closed.
It realizes effective protection of barriers when the side door is closed, eliminates safety hazards, and ensures smooth movement and automated operation of the side door.
Smart Images

Figure CN222797330U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobiles, in particular to a side door opening mechanism for an automobile. Background Art
[0002] Car side sliding doors are generally found on MPV models, and can also be seen on many commercial vehicles.
[0003] In the prior art, a Chinese patent with announcement number CN219492056U discloses a vehicle side door drive mechanism, which adopts the scheme of "including: a transmission arm, one side of which has a rack arranged along its length direction; a gear, meshing with the rack on the transmission arm; and a power assembly, connected to the gear, used to drive the gear to rotate, so that the gear drives the transmission arm to move; wherein, it also includes: an L-shaped limiter, the limiter is divided into a horizontally arranged fixed plate and a vertically arranged slider, the transmission arm is slidably arranged on the slider, and the fixed plate is arranged on the power assembly". This scheme is based on some existing side door drive mechanisms. In order to increase the number of times the transmission arm is driven smoothly, a limiter with an L-shaped structure is provided. The limiter can not only solve the above-mentioned problem, but also make the entire side door drive mechanism compact in structure, more convenient to arrange, and have a significant mute effect.
[0004] However, the above scheme still has some shortcomings. For example, although the car side door driving mechanism can drive the car side door to open and close automatically, during the process of closing the car side door, when there is an obstacle between the side door and the door frame, such as the body, head or hand of the passenger, the side door driving mechanism cannot achieve emergency braking, which may easily cause harm to the personnel and pose a certain safety hazard.
[0005] In view of this, the utility model proposes a vehicle side door opening mechanism. Utility Model Content
[0006] The purpose of the utility model is to provide a vehicle side door opening mechanism to solve the problems raised in the above background technology.
[0007] To achieve the above purpose, the utility model provides the following technical solution: a vehicle side door opening mechanism, comprising:
[0008] An installation frame, wherein the installation frame is arranged inside the side door of the automobile, and an installation groove for installing the installation frame is provided inside the side door of the automobile;
[0009] A guide gear rod, both ends of which are fixed to the inner wall of the automobile frame;
[0010] A driving assembly, which is used to drive the side door of the automobile to open and close automatically, the driving assembly includes a servo motor fixedly mounted on the bottom wall of the mounting frame, and a connecting frame fixedly mounted on the top of the mounting frame, and the guide gear rod is slidably connected to the inner wall of the connecting frame, the output end of the servo motor is fixedly provided with a rotating rod extending into the interior of the connecting frame, and the top end of the rotating rod is fixedly provided with a toothed disc meshing with the guide gear rod;
[0011] A protection component, the protection component includes two pressure sensors fixed on the side of the installation frame, and a small PLC controller fixed on the top wall of the connecting frame. The protection component also includes a U-shaped rod slidably arranged on the inner wall of the connecting frame, and two tooth plates corresponding to the guide tooth rod are fixed at both ends of the U-shaped rod. The inner wall of the connecting frame is provided with a dual-axis motor for driving the U-shaped rod to move.
[0012] As a preferred technical solution, two symmetrical springs are fixedly provided on the side of the installation frame, and the two springs are respectively sleeved on the outer surfaces of the two pressure sensors.
[0013] As a preferred technical solution, the pressure sensor and the dual-axis motor are electrically connected to a small PLC controller via wires.
[0014] As a preferred technical solution, a rectangular groove is opened on the inner wall of the connection frame, and the dual-axis motor is fixed on the inner wall of the rectangular groove, and threaded columns are fixed on both output ends of the dual-axis motor.
[0015] As a preferred technical solution, two symmetrical sliders are slidably provided on the inner wall of the rectangular groove, and the surfaces of the two sliders are respectively provided with threaded holes threadedly connected to the outer surfaces of the two threaded columns. The surfaces of the two sliders are rotatably provided with push rods, and the end of the push rod away from the slider is rotatably connected to the surface of the U-shaped rod.
[0016] As a preferred technical solution, a T-shaped slide groove is provided on the surface of the guide gear rod, and a T-shaped slide bar slidably connected to the inner wall of the T-shaped slide groove is fixedly provided on the inner wall of the connecting frame.
[0017] As a preferred technical solution, the surface of the T-shaped slide bar is provided with three rotating grooves at equal intervals, and metal balls are rotatably arranged on the inner walls of the three rotating grooves, and the inner wall of the T-shaped slide groove is provided with a limiting slide groove for the metal balls to roll.
[0018] Beneficial Effects
[0019] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0020] 1. The utility model provides a guide gear rod and a driving assembly so that the automobile side door mechanism can realize the purpose of automatic opening and closing of the automobile side door when the automobile side door needs to be opened and closed, and can effectively ensure the stability of the automobile side door during translation under the action of the T-shaped slide groove, the T-shaped slide bar and the metal rolling ball.
[0021] 2. The utility model provides a protective component, and when a person blocks the side door of the car during the closing process, the purpose of emergency braking of the side door panel of the car can be achieved, thereby achieving effective protection for the person and eliminating the safety hazards existing in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0024] Figure 2 This is a rear view structural diagram of the utility model;
[0025] Figure 3 It is a schematic diagram of the top cross-sectional structure of the connection frame of the utility model;
[0026] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.
[0027] In the figure:
[0028] 100. Installation frame;
[0029] 200, guide gear rod; 201, T-shaped slide groove; 202, T-shaped slide bar; 203, metal rolling ball;
[0030] 300, driving assembly; 301, servo motor; 302, connecting frame; 303, rotating rod; 304, gear plate;
[0031] 400. Protection component; 401. Pressure sensor; 402. Small PLC controller; 403. U-shaped rod; 404. Tooth plate; 405. Spring; 406. Threaded column; 407. Slider; 408. Push rod; 409. Dual-axis motor. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0033] Embodiment 1
[0034] According to the attached Figure 1-4 As shown, the embodiment of the utility model provides a vehicle side door opening mechanism, comprising:
[0035] An installation frame 100, the installation frame 100 is arranged inside the side door of the vehicle, and the side door of the vehicle is provided with an installation slot for installing the installation frame 100;
[0036] A guide gear rod 200, both ends of which are fixed to the inner wall of the automobile frame;
[0037] The driving assembly 300 is used to drive the side door of the car to open and close automatically. The driving assembly 300 includes a servo motor 301 fixed to the inner bottom wall of the mounting frame 100, and a connecting frame 302 fixed to the top of the mounting frame 100. A T-shaped slide groove 201 is provided on the surface of the guide gear rod 200, and a T-shaped slide bar 202 is fixed on the inner wall of the connecting frame 302 and is slidably connected to the inner wall of the T-shaped slide groove 201.
[0038] The surface of the T-shaped slide bar 202 is provided with three rotating grooves at equal intervals, and metal balls 203 are rotatably arranged on the inner walls of the three rotating grooves. The inner wall of the T-shaped slide groove 201 is provided with a limiting slide groove for the metal balls 203 to roll.
[0039] The guide gear rod 200 is slidably connected to the inner wall of the connection frame 302, and the output end of the servo motor 301 is fixedly provided with a rotating rod 303 extending into the interior of the connection frame 302, and the top end of the rotating rod 303 is fixedly provided with a toothed disc 304 meshing with the guide gear rod 200;
[0040] In this embodiment, by setting a guide gear rod 200 and a driving assembly 300, when the vehicle side door needs to be opened and closed, the vehicle side door opening mechanism can drive the rotating rod 303 to rotate through the rotation of the servo motor 301, and the rotation of the rotating rod 303 drives the gear plate 304 to rotate. The rotation of the gear plate 304 drives the vehicle side door panel installed with the installation frame 100 to translate on the surface of the guide gear rod 200, thereby realizing the purpose of automatic opening and closing of the vehicle side door, and can effectively ensure the stability of the vehicle side door during translation under the action of the T-shaped slide groove 201, the T-shaped slide bar 202 and the metal rolling ball 203.
[0041] Embodiment 2
[0042] On the basis of the first embodiment, and different from the first embodiment,
[0043] A vehicle side door opening mechanism, further comprising:
[0044] The protection component 400 includes two pressure sensors 401 fixed on the side of the installation frame 100, and a small PLC controller 402 fixed on the inner top wall of the connecting frame 302. The protection component 400 also includes a U-shaped rod 403 slidably set on the inner wall of the connecting frame 302, and two tooth plates 404 corresponding to the guide gear rod 200 are fixed at both ends of the U-shaped rod 403. The inner wall of the connecting frame 302 is provided with a dual-axis motor 409 for driving the U-shaped rod 403 to move.
[0045] Two symmetrical springs 405 are fixedly disposed on the side of the mounting frame 100 , and the two springs 405 are respectively sleeved on the outer surfaces of the two pressure sensors 401 .
[0046] The pressure sensor 401 and the dual-axis motor 409 are both electrically connected to the small PLC controller 402 via wires.
[0047] A rectangular groove is formed on the inner wall of the connection frame 302 , and the dual-axis motor 409 is fixedly mounted on the inner wall of the rectangular groove. Both output ends of the dual-axis motor 409 are fixedly mounted with threaded columns 406 .
[0048] Two symmetrical sliders 407 are slidingly provided on the inner wall of the rectangular groove, and the surfaces of the two sliders 407 are respectively provided with threaded holes threadedly connected to the outer surfaces of the two threaded columns 406. The surfaces of the two sliders 407 are rotatably provided with push rods 408, and the ends of the push rods 408 away from the sliders 407 are rotatably connected to the surface of the U-shaped rod 403.
[0049] In this embodiment, by setting up the protection component 400, when a person blocks the side door during the closing process of the side door of the car, the surface of the side door contacts the person and cannot move. At this time, the servo motor 301 continues to rotate, which will drive the installation frame 100 to move in the installation groove in the side door panel of the car, so that the spring 405 is compressed, thereby achieving the purpose of buffering and realizing effective protection for the person. At the same time, when the spring 405 is compressed to a certain extent, the pressure sensor 401 contacts the inner wall of the installation groove. At this time, the pressure sensor 401 transmits the signal The small PLC controller 402 automatically controls the dual-axis motor 409 to rotate. The rotation of the dual-axis motor 409 drives the two threaded columns 406 to rotate. The rotation of the threaded columns 406 drives the two sliders 407 to move to both sides at the same time, so that the U-shaped rod 403 is pushed by the push rod 408, so that the tooth plates 404 at both ends of the U-shaped rod 403 can engage with the guide tooth rod 200, so as to achieve the purpose of emergency braking of the side door panel of the car, thereby realizing effective protection of personnel and eliminating the safety hazards existing in the prior art.
[0050] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A side door opening mechanism for an automobile, characterized in that: include, An installation frame (100), the installation frame (100) being arranged inside a side door of a vehicle, and an installation groove for installing the installation frame (100) being provided inside the side door of the vehicle; A guide gear rod (200), the two ends of which are fixedly mounted on the inner wall of the automobile frame; A driving assembly (300) for driving a side door of a vehicle to automatically open and close, the driving assembly (300) comprising a servo motor (301) fixedly mounted on the inner bottom wall of a mounting frame (100), and a connecting frame (302) fixedly mounted on the top of the mounting frame (100), the guide gear rod (200) being slidably connected to the inner wall of the connecting frame (302), a rotating rod (303) extending into the interior of the connecting frame (302) being fixedly mounted at the output end of the servo motor (301), and a toothed disc (304) meshing with the guide gear rod (200) being fixedly mounted at the top end of the rotating rod (303); A protection component (400) comprising two pressure sensors (401) fixedly mounted on the side of a mounting frame (100), and a small PLC controller (402) fixedly mounted on the inner top wall of a connecting frame (302); the protection component (400) further comprising a U-shaped rod (403) slidably mounted on the inner wall of the connecting frame (302), and two tooth plates (404) corresponding to the guide tooth rod (200) are fixedly mounted on both ends of the U-shaped rod (403); and a dual-axis motor (409) for driving the U-shaped rod (403) to move is disposed on the inner wall of the connecting frame (302).
2. The vehicle side door opening mechanism according to claim 1, characterized in that: Two symmetrical springs (405) are fixedly arranged on the side of the installation frame (100), and the two springs (405) are respectively sleeved on the outer surfaces of the two pressure sensors (401).
3. The automobile side door opening mechanism according to claim 1, characterized in that: The pressure sensor (401) and the dual-axis motor (409) are both electrically connected to a small PLC controller (402) via wires.
4. The automobile side door opening mechanism according to claim 1, characterized in that: The inner wall of the connection frame (302) is provided with a rectangular groove, and the dual-axis motor (409) is fixedly mounted on the inner wall of the rectangular groove. Both output ends of the dual-axis motor (409) are fixedly mounted with threaded columns (406).
5. The automobile side door opening mechanism according to claim 4, characterized in that: Two symmetrical sliders (407) are slidably arranged on the inner wall of the rectangular groove, and the surfaces of the two sliders (407) are respectively provided with threaded holes threadedly connected to the outer surfaces of the two threaded columns (406). The surfaces of the two sliders (407) are both rotatably arranged with push rods (408), and one end of the push rod (408) away from the slider (407) is rotatably connected to the surface of the U-shaped rod (403).
6. The automobile side door opening mechanism according to claim 1, characterized in that: The surface of the guide gear rod (200) is provided with a T-shaped slide groove (201), and the inner wall of the connection frame (302) is fixedly provided with a T-shaped slide bar (202) slidably connected to the inner wall of the T-shaped slide groove (201).
7. The automobile side door opening mechanism according to claim 6, characterized in that: The surface of the T-shaped slide bar (202) is provided with three rotating grooves at equal intervals, and metal rolling balls (203) are rotatably arranged on the inner walls of the three rotating grooves. The inner wall of the T-shaped slide groove (201) is provided with a limiting slide groove for the metal rolling balls (203) to roll.
Citation Information
Patent Citations
Automobile side opening door driving mechanism
CN219492056U