Automobile side opening door driver and automobile

Abstract

The utility model discloses an automobile side opening door driver and an automobile, the automobile side opening door driver comprises a lead screw and nut transmission unit (1), a transmission pair (2) and a transmission shaft (3), an input tooth part (21) in the transmission pair is connected to the transmission shaft (3), and one of a first lead screw (11) and a first nut (12) is connected with an output tooth part (22); a first driving motor (4) and a first worm and gear mechanism (5), the first driving motor is connected with a first worm, and a first worm gear (51) penetrates through the transmission shaft; when the electric switching assembly is at the first working position, the worm gear is in transmission connection with the input tooth part; and when the electric switching assembly is at the second working position, the worm gear and the input tooth part release transmission connection. Certain automobile door hovering holding force is provided through the worm and gear mechanism, the cost is low, when the whole automobile is powered off through the arrangement of the electric switching assembly, passengers do not need to overcome the automobile door hovering force, the automobile door can be manually opened with small force, and the escape difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a vehicle side door driver and a vehicle. Background Art

[0002] The existing car side door opening drive can meet the needs of the car side door electric switch, but it usually needs to set a brake or damping mechanism at the output end of the drive motor to provide a hovering force for the door, which is costly. In addition, when the power of the whole vehicle is cut off and the motor cannot provide driving force, the occupants must overcome the hovering force to open the door, which increases the difficulty of escape.

[0003] Therefore, how to provide a car side door opening drive and vehicle, so that when the power of the whole vehicle is cut off and the motor cannot provide driving force, the occupants can manually open the door with less force to reduce the difficulty of escape, is a technical problem that technical personnel in this field urgently need to solve. Utility Model Content

[0004] The utility model aims to provide a car side door opening driver and a vehicle, when the whole vehicle is powered off and the motor cannot provide driving force, the occupants can manually open the door with less force, thereby reducing the difficulty of escape.

[0005] In order to solve the above technical problems, the utility model provides a vehicle side door driver, comprising:

[0006] A screw-nut transmission unit, a transmission pair and a transmission shaft, wherein the screw-nut transmission unit comprises a first screw and a first nut which are threadedly connected, the transmission pair comprises an input tooth portion and an output tooth portion, the input tooth portion is connected to the transmission shaft, and one of the first screw and the first nut is connected to the output tooth portion;

[0007] a first drive motor and a first worm gear mechanism, wherein the first worm gear mechanism comprises a first worm and a first worm wheel meshing with each other, an output shaft of the first drive motor and the first worm are torsionally connected, and the first worm wheel passes through the transmission shaft;

[0008] It also includes an electric switching component, which is arranged on the transmission shaft. The electric switching component has a first working position and a second working position. When the electric switching component is in the first working position, the first worm gear and the input tooth portion are transmission connected, and the vehicle side door opening driver is driven by the first drive motor; when the electric switching component is in the second working position, the first worm gear and the input tooth portion are released from the transmission connection, and the vehicle side door opening driver is driven manually.

[0009] The present application designs special parameters for the first worm gear mechanism to give it a stable holding force. When the automobile side door opening drive is installed on the vehicle body, the first worm gear mechanism can provide a certain hovering force for the door, eliminating the brake or damping mechanism in the traditional automobile side door opening drive and reducing the structural cost. At the same time, the setting of the electric switching assembly makes it possible for the occupants to manually open the door with less force without having to overcome the hovering force of the door when the power of the entire vehicle is cut off and the motor cannot provide driving force, thereby reducing the difficulty of escape and ensuring the safety of the occupants.

[0010] Optionally, the input tooth portion and the transmission shaft are circumferentially limitedly connected, and the electric switching assembly includes:

[0011] A planetary gear mechanism, the planetary gear mechanism comprises a sun gear, a planetary gear, a planetary carrier and a ring gear, the sun gear is rotatably mounted on the transmission shaft, the first worm gear is mounted on the sun gear and is circumferentially limited, the planetary carrier is fixedly connected to the transmission shaft, the planetary gear is rotatably mounted on the corresponding planetary carrier, and the sun gear, the planetary gear and the ring gear are meshed in sequence from inside to outside along the radial direction;

[0012] A locking release structure, the locking release structure comprising a power component and a locking shoe, the locking shoe being at least partially located inside the gear ring, the power component being configured to drive the locking shoe to move radially along the gear ring so that the locking shoe switches between a locking position and a release position,

[0013] When the electric switching assembly is in the first working position, the locking shoe is in the locking position, and the locking shoe abuts against the inner circumferential wall of the gear ring; when the electric switching assembly is in the second working position, the locking shoe is in the releasing position, and the locking shoe is disengaged from the inner circumferential wall of the gear ring.

[0014] Optionally, the locking and releasing structure further comprises a fixing plate, a locking cam and an elastic member, wherein:

[0015] The fixing plate is relatively fixed to the mechanism housing, the locking cam is arranged on one side of the fixing plate and can rotate relatively, the locking shoe is arranged on one side of the fixing plate, and the outer contour of the locking cam fits the inner contour of the locking shoe;

[0016] The power component is configured to drive the locking cam to rotate within the plane of the fixed plate. When the power component moves forward, the locking shoe approaches the inner circumferential wall of the gear ring under the pushing action of the locking cam, and the elastic member gradually accumulates energy. When the power component moves reversely, the locking shoe moves away from the inner circumferential wall of the gear ring under the action of the restoring force of the elastic member.

[0017] Optionally, the locking and releasing structure further includes a toggle plate, which is disposed on the other side of the fixed plate, the locking cam and the toggle plate are fixedly connected, and the power component and the toggle plate are connected.

[0018] Optionally, the number of the locking shoes is two, the two locking shoes are arranged opposite to each other on one side of the fixing plate, and the locking cam is located between the two locking shoes.

[0019] When the power component moves forward, the two locking shoes move relatively away from each other under the pushing action of the locking cam; when the power component moves backward, the two locking shoes move relatively close to each other under the restoring force of the elastic member.

[0020] Optionally, the locking shoe can move radially along the gear ring under the pushing action of the locking cam.

[0021] Optionally, one of the locking shoe and the fixing plate is provided with at least one guide groove, and the other is provided with at least one limit pin, and the limit pin is inserted into the corresponding guide groove. The limit pin can slide along the extension direction of the guide groove to realize the radial movement of the locking shoe along the gear ring.

[0022] Optionally, one end of the locking shoe is hinged to the fixing plate, and the locking shoe can rotate around the hinge under the pushing action of the locking cam to approach or move away from the inner circumferential wall of the gear ring.

[0023] Optionally, the power component includes a second drive motor, a second worm gear mechanism and a screw nut mechanism, the second worm gear mechanism includes a second worm and a second worm wheel meshing with each other, and the screw nut mechanism includes a second screw and a second nut threadedly connected.

[0024] The output shaft of the second drive motor is torsionally connected to the second worm, the second worm wheel is mounted on the second lead screw and is circumferentially limited, the second lead screw is rotatably mounted on the mechanism housing, the second nut is transmission-connected to the toggle plate, and the transmission direction is perpendicular to the rotation direction of the toggle plate.

[0025] The utility model also provides a vehicle, comprising a vehicle door and a vehicle body, and also comprising the aforementioned vehicle side door opening driver, in which a first screw rod and a first nut are both installed in the vehicle door and can rotate relative to each other, and one end of the other of the first screw rod and the first nut is directly or indirectly connected to the vehicle body.

[0026] The vehicle of the utility model includes the aforementioned automobile side door driver, and therefore has the same technical effects as the aforementioned automobile side door driver, which will not be described in detail herein. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic structural diagram of a specific embodiment of the vehicle side door opening driver provided by the utility model;

[0028] Figure 2 for Figure 1 A cross-sectional view of a vehicle side door driver along the axial direction of a transmission shaft;

[0029] Figure 3 for Figure 1 A schematic structural diagram of a first specific embodiment of a locking and releasing structure in a vehicle side door driver;

[0030] Figure 4 for Figure 4 A split diagram of the locking and releasing structure;

[0031] Figure 5 for Figure 1 A schematic structural diagram of a second specific embodiment of a locking and releasing structure in a vehicle side door driver;

[0032] Figure 6 for Figure 1 A schematic diagram of the structure of the power components in the vehicle side door drive;

[0033] Figure 7 for Figure 6 Exploded diagram of power components;

[0034] in, Figure 1-Figure 7 The reference numerals in the figures are described as follows:

[0035] 1-screw-nut transmission unit; 11-first screw; 12-first nut;

[0036] 2-transmission pair; 21-input gear portion; 22-output gear portion;

[0037] 3- Transmission shaft;

[0038] 4- first drive motor;

[0039] 5-first worm gear mechanism; 51-first worm gear;

[0040] 6-Electric switching assembly;

[0041] 61-planetary gear mechanism; 611-sun gear; 612-planet gear; 613-planet carrier; 614-ring gear;

[0042] 62-locking release structure; 621-locking shoe; 622-fixing plate; 622a-first mounting hole; 623-locking cam; 624-elastic member; 625-sliding plate; 625a-second mounting hole; 626-limiting pin; 627-hanging spring pin; 628-rotating shaft; 629-connecting pin; 620-hinge shaft; 6210-second driving motor; 6211-second worm gear mechanism; 6211a-second worm; 6211b-second worm wheel; 6212-screw nut mechanism; 6212a-second screw; 6212b-second nut; 6213-connecting shaft; a-fixing hole;

[0043] 7-Door installation assembly. DETAILED DESCRIPTION

[0044] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0045] The “plurality” mentioned herein generally means more than two; and when “plurality” is used to indicate the number of certain components, it does not indicate the relationship between the quantities of these components.

[0046] Please refer to Figure 1-Figure 2 , Figure 1 A schematic structural diagram of a specific embodiment of the vehicle side door opening driver provided by the utility model; Figure 2 for Figure 1 A cross-sectional view of a vehicle side door drive along the axial direction of the transmission shaft.

[0047] The utility model provides a vehicle side door driver, comprising:

[0048] A screw-nut transmission unit 1, a transmission pair 2 and a transmission shaft 3, wherein the screw-nut transmission unit 1 comprises a first screw 11 and a first nut 12 which are threadedly connected, and the transmission pair 2 comprises an input tooth portion 21 and an output tooth portion 22, wherein the input tooth portion 21 is connected to the transmission shaft 3, and the output tooth portion 22 is connected to the first nut 12;

[0049] A first drive motor 4 and a first worm gear mechanism 5, wherein the first worm gear mechanism 5 comprises a first worm 52 and a first worm wheel 51 meshing with each other, wherein the output shaft of the first drive motor 4 is torsionally connected to the first worm 52, and the first worm wheel 51 passes through the transmission shaft 3;

[0050] It also includes an electric switching component 6, which is arranged on the transmission shaft 3. The electric switching component 6 has a first working position and a second working position. When the electric switching component 6 is in the first working position, the first worm gear 51 and the input tooth portion 21 are connected in transmission, and the vehicle side door opening drive is driven by the first drive motor 4; when the electric switching component 6 is in the second working position, the first worm gear 51 and the input tooth portion 21 are released from the transmission connection, and the vehicle side door opening drive is driven manually.

[0051] The present application uses special parameter design to make the first worm gear mechanism 5 have a stable holding force. When the automobile side door driver is installed on the vehicle body, the first worm gear mechanism 5 can provide a certain suspension force for the door, and then when the vehicle body is in a slope or tilt state, the door switch can remain in the current position after reaching a certain angle. Therefore, the automobile side door driver of the present application can omit the brake or damping mechanism in the traditional automobile side door driver, reducing the structural cost.

[0052] For different car doors, the hovering holding force is usually between 10 N and 40 N. In practice, the tooth profile parameters of the first worm gear mechanism 5 can also be adjusted and customized according to the requirements of the main car manufacturer to achieve the required hovering holding force.

[0053] When the automobile side door opening driver of the utility model is installed on the vehicle body, one end of the first screw rod 11 is connected to the vehicle door through the vehicle door installation component 7 and can rotate relatively, the other end of the first screw rod 11 is connected to the vehicle body and can rotate relatively, and the first screw nut 12 is rotatably installed inside the vehicle door. At the same time, an electric button can be set inside the vehicle body, such as the inside of the door. The electric button is electrically connected to the electric switching component 6. When the electric button is pressed, the vehicle controller receives the start signal and performs two actions in sequence: controlling the electric switching component 6 to switch, and controlling the first drive motor 4 to work.

[0054] When the door is in a closed state, the vehicle controller can control the electric switching component 6 to automatically switch to the second working position, and the first worm gear 51 and the input tooth portion 21 are released from the transmission connection. When the door needs to be opened and closed electrically normally, the electric button is pressed to control the electric switching component 6 to switch to the first working position. The first worm gear 51 and the input tooth portion 21 are transmission connected, and the car side door opening drive is driven by the first drive motor 4. At this time, the transmission process is: the first drive motor 4→the first worm gear mechanism 5→the transmission shaft 3→the transmission pair 2→the first nut 12→the first screw rod 11. Since one end of the first screw rod 11 is connected to the vehicle body, the axial movement of the first screw rod 11 relative to the first nut 12 can be achieved by controlling the first drive motor 4 to rotate forward or reverse, thereby realizing the opening or closing of the door.

[0055] If an emergency such as a car accident, falling into water, or a fire occurs when the door is closed, causing the entire vehicle to lose power, and the vehicle side door opening drive cannot be electrically driven normally, the occupants can manually push and pull the door. Since the electric switching assembly 6 is in the second working position at this time, the first worm gear 51 and the input tooth portion 21 are released from the transmission connection, that is, the transmission pair 2 and the first worm gear mechanism 5 are released from the transmission connection. Therefore, the driving force acting on the door is only transmitted to the transmission pair 2 by the first screw 11. The occupants do not need to overcome the hovering holding force of the first worm gear mechanism 5, and can manually open the door with very little force, thereby reducing the difficulty of escape for the occupants.

[0056] In summary, the automobile side door opening drive of the present application provides door hovering retention force through a simple mechanical structure, bringing better comfort experience to the occupants at a very low cost. At the same time, the setting of the electric switching component 6 enables the occupants to manually open the door with less force when the power of the entire vehicle is cut off and the motor cannot provide driving force, thereby reducing the difficulty of escape and ensuring the safety of the occupants' lives.

[0057] As can be seen from the foregoing, in this embodiment, the output tooth portion 22 and the first screw nut 12 are integrally formed, and the electric opening and closing of the door is realized by the lateral displacement of the first screw rod 11, that is, the vehicle side door opening driver in this embodiment is a screw-type vehicle side door opening driver. In practice, the output tooth portion 22 can also be connected to the first screw rod 11. When the vehicle side door opening driver is installed on the vehicle body, both ends of the first screw rod 11 are connected to the vehicle door and can rotate relatively. The first screw nut 12 is indirectly connected to the vehicle body through the transferred push rod, and the vehicle side door opening driver is a push rod type vehicle side door opening driver.

[0058] Please continue to refer to Figure 2-Figure 5 , Figure 3 for Figure 1 A schematic structural diagram of a first specific embodiment of a locking and releasing structure in a vehicle side door driver; Figure 4 for Figure 4 A split diagram of the locking and releasing structure; Figure 5 for Figure 1 A schematic structural diagram of a second specific embodiment of the locking and releasing structure in a vehicle side door actuator.

[0059] In this embodiment, the input tooth portion 21 and the transmission shaft 3 are circumferentially limitedly connected, and the electric switching assembly 6 includes:

[0060] The planetary gear mechanism 61 includes a sun gear 611, a planetary gear 612, a planet carrier 613 and a ring gear 614. The sun gear 611 is rotatably mounted on the transmission shaft 3. The first worm gear 51 is mounted on the sun gear 611 and is circumferentially limited. The planet carrier 613 is fixedly connected to the transmission shaft 3. The planetary gear 612 is rotatably mounted on the corresponding planet carrier 613. The sun gear 611, the planetary gear 612 and the ring gear 614 are meshed in sequence from inside to outside in the radial direction.

[0061] The locking release structure 62 includes a power component and a locking shoe 621. The locking shoe 621 is at least partially located inside the ring gear 614. The power component is configured to drive the locking shoe 621 to move along the radial direction of the ring gear 614, so that the locking shoe 621 switches between the locking position and the release position.

[0062] When the electric switching assembly 6 is in the first working position, the locking shoe 621 is in the locking position, and the locking shoe 621 abuts against the inner circumferential wall of the ring gear 614; when the electric switching assembly 6 is in the second working position, the locking shoe 621 is in the releasing position, and the locking shoe 621 and the inner circumferential wall of the ring gear 614 are disengaged.

[0063] As set above, when the door is in the closed state, the vehicle controller can control the electric switching assembly 6 to automatically switch to the second working position, the locking shoe 621 is in the released position, the locking shoe 621 and the inner peripheral wall of the ring gear 614 are disengaged, if the first drive motor 4 is started, the first drive motor 4 drives the first worm 52 to rotate, under the meshing action of the first worm 52 and the first worm wheel 51, the first worm wheel 51 rotates around the transmission shaft 3, because the first worm wheel 51 is fitted with the sun gear 611 and is circumferentially limited, therefore, The sun gear 611 will also rotate synchronously around the transmission shaft 3. Since the sun gear 611, the planetary gears 612 and the ring gear 614 are meshed in sequence from the inside to the outside in the radial direction, the planetary gear 612 will rotate around the axis of the planet carrier 613, and the ring gear 614 will also rotate around its axis. The planet carrier 613 is in a stationary state. Since the planetary carrier 613 and the transmission shaft 3 are fixedly connected, the transmission shaft 3 is also in a stationary state, and then the input tooth portion 21 is in a stationary state, that is, the first worm gear 51 and the input tooth portion 21 are released from the transmission connection.

[0064] When the vehicle door needs to be opened and closed electrically normally, the occupant can press the electric button to control the electric switching assembly 6 to switch to the first working position, and the locking shoe 621 switches to the locking position, and the locking shoe 621 abuts against the inner circumferential wall of the gear ring 614 to achieve relative fixation of the gear ring 614; the vehicle side door opening drive is driven by the first drive motor 4, and the first drive motor 4 drives the first worm 52 to rotate. Under the meshing action of the first worm 52 and the first worm wheel 51, the first worm wheel 51 rotates around the transmission shaft 3. Since the first worm wheel 51 is fitted with the sun gear 611 and is circumferentially limited Therefore, the sun gear 611 will also rotate synchronously around the transmission shaft 3. Since the sun gear 611, the planetary gears 612 and the ring gear 614 are meshed in sequence from the inside to the outside in the radial direction, and the ring gear 614 is in a relatively fixed state, the planetary gear 612 will rotate around the axis of the transmission shaft 3 while rotating around the axis of the planet carrier 613. Since the planet carrier 613 and the transmission shaft 3 are fixedly connected, the transmission shaft 3 will rotate around the axis and drive the input tooth portion 21 to rotate synchronously, thereby realizing the transmission connection between the first worm gear 51 and the input tooth portion 21.

[0065] If an emergency such as a car accident, falling into water, or a fire occurs when the vehicle door is closed, causing a power outage for the entire vehicle, the electric switching assembly 6 is in the second working position at this time, and the vehicle side door opening drive cannot be electrically driven normally, the occupants can manually push and pull the door, and the transmission process of the driving force is: first screw 11 → transmission pair 2 → transmission shaft 3. The occupants do not need to overcome the hovering holding force of the first worm gear mechanism 5, and can manually open the door with very little force.

[0066] To sum up, in the automobile side door opening drive of the present application, the electric switching component 6 adopts the structural form of a planetary gear mechanism 61, and realizes the transmission connection between the transmission pair 2 and the first worm gear mechanism 5, or releases the transmission connection between the transmission pair 2 and the first worm gear mechanism 5 by controlling the ring gear 614 to be in a relatively fixed state or a rotatable state, thereby realizing the switching of the automobile side door opening drive between electric drive and manual drive. The structure is simple and the transmission is reliable.

[0067] Furthermore, in this embodiment, the number of locking shoes 621 is two, and the locking release structure 62 further includes a fixing plate 622, a locking cam 623, an elastic member 624 and a toggle plate 625, wherein:

[0068] The fixed plate 622 is relatively fixed to the mechanism housing, and the two locking shoes 621 are relatively arranged on one side of the fixed plate 622 and can rotate relatively. The locking shoe 621 is arranged on one side of the fixed plate 622 and is located between the two locking shoes 621. The outer contour of the locking cam 623 fits the inner contour of the locking shoe 621. The toggle plate 625 is arranged on the other side of the fixed plate 622. The locking cam 623 and the toggle plate 625 are fixedly connected, and the power component is connected to the toggle plate 625.

[0069] The power component is constructed to drive the locking cam 623 to rotate within the plane of the fixed plate 622. When the power component moves forward, the two locking shoes 621 move relatively away from each other under the push of the locking cam 623, and gradually approach the inner circumferential wall of the ring gear 614, and the elastic member 624 gradually accumulates energy; when the power component moves backward, the two locking shoes 621 move relatively close to each other under the restoring force of the elastic member 624, and gradually move away from the inner circumferential wall of the ring gear 614.

[0070] In which, along the radial direction of the gear ring 614, the direction close to the radial inner end of the gear ring 614 is “inside”, and the direction close to the radial outer end of the gear ring 614 is “outside”.

[0071] As configured above, in the locking and releasing structure 62 of the present embodiment, the fixed plate 622 plays an integrated role, and other structures are installed on the fixed plate 622 to form a whole; the locking cam 623 and the toggle plate 625 are respectively arranged on both sides of the fixed plate 622 and are fixedly connected, and the toggle plate 625 connects the locking cam 623 and the power component to play a power transmission role, and transmits the driving force from the power component to the locking cam 623, so as to realize the rotation of the locking cam 623; at the same time, the present embodiment sets the number of locking shoes 621 to be two. When the car side door opening drive is in the electric drive mode, the two locking shoes 621 are simultaneously in contact with the inner circumferential wall of the ring gear 614, thereby increasing the contact area between the locking shoes 621 and the ring gear 614, and ensuring that the ring gear 614 can be stably in a relatively fixed state, thereby ensuring the reliable transmission of the first drive motor 4.

[0072] It can be understood that, in practice, there is no limit to the number of locking shoes 621. On the basis of ensuring the fixed state of the ring gear 614, the number of locking shoes 621 can also be one. When the number of locking shoes 621 is one, the power component moves forward, and the locking shoe 621 approaches the inner circumferential wall of the ring gear 614 under the push of the locking cam 623, and the elastic member 624 gradually accumulates energy; the power component moves in the reverse direction, and the locking shoe 621 moves away from the inner circumferential wall of the ring gear 614 under the action of the restoring force of the elastic member 624.

[0073] Depend on Figure 3-Figure 5 It can be seen that in this embodiment, the locking release structure 62 further includes a rotating shaft 628, the fixed plate 622 is correspondingly provided with a first mounting hole 622a, the rotating shaft 628 passes through the first mounting hole 622a, and is fixedly connected to the fixed plate 622, the toggle plate 625 is correspondingly provided with a second mounting hole 625a, the rotating shaft 628 can movably pass through the second mounting hole 625a; the locking cam 623 is correspondingly provided with a third mounting hole, the rotating shaft 628 can movably pass through the third mounting hole. In short, the rotating shaft 628 is fixedly connected to the fixed plate 622, and the locking cam 623 and the toggle plate 625 can both rotate around the rotating shaft 628.

[0074] like Figure 4 As shown, the locking release structure 62 also includes a connecting pin 629, which is fixedly connected to the locking cam 623. The fixed plate 622 is correspondingly provided with an avoidance groove 622b. The connecting pin 629 passes through the avoidance groove 622b and is fixedly connected to the toggle plate 625, thereby realizing relative fixation of the locking cam 623 and the toggle plate 625 for power transmission.

[0075] Of course, in practice, the rotating shaft 628 is fixedly connected to the locking cam 623 and the toggle plate 625 , and it is also feasible that the rotating shaft 628 rotatably passes through the first mounting hole 622 a .

[0076] In addition, the present embodiment is provided with a toggle plate 625 to connect the locking cam 623 and the power component, which plays a role in power transmission. In practice, it is also feasible for the power component to directly drive the locking cam 623, that is, the toggle plate 625 is eliminated, the rotating shaft 628 can movably pass through the first mounting hole 622a, the rotating shaft 628 is fixedly connected to the locking cam 623, the output shaft of the power component is directly connected to the rotating shaft 628 to prevent torsion, and the driving of the locking cam 623 is realized through the rotating shaft 628.

[0077] like Figure 3 and Figure 4 As shown, in the locking release structure 62 of the first embodiment, one of the locking shoe 621 and the fixing plate 622 is provided with two limit grooves, and the other is provided with two limit pins 626. The limit pins 626 are inserted into the corresponding limit grooves. The limit pins 626 can slide along the extension direction of the limit grooves to realize the radial movement of the locking shoe 621 along the ring gear 614.

[0078] In this way, the matching relationship between the limiting groove and the limiting pin 626 can guide and limit the locking shoe 621, ensuring that the locking shoe 621 can only move along the radial direction of the gear ring 614, thereby ensuring the movement accuracy of the locking shoe 621.

[0079] Of course, in actual applications, there is no restriction on the number of limit pins 626 and limit slots provided on the locking shoe 621 and the fixing plate 622. For example, the number of the limit pin 626 and the limit slot can be at least one, and the two are correspondingly plug-in matched.

[0080] In addition, there may be other structural forms to achieve the guiding and limiting effect on the locking shoe 621, such as providing a guide groove on the corresponding side wall of the fixed plate 622, and slidingly installing the locking shoe 621 inside the corresponding guide groove. The guide groove can guide and limit the locking shoe 621, ensuring that the locking shoe 621 can only move radially along the gear ring 614.

[0081] like Figure 3 and Figure 4 As shown, in this embodiment, the locking shoe 621 is provided with spring pins 627 at both ends in the length direction, and the elastic member 624 includes a tension spring, and both ends of the tension spring are hooked on the spring pins 627 at the corresponding ends of the two locking shoes 621. The tension spring is located between the two locking shoes 621. When the locking shoe 621 moves toward the direction close to the inner circumferential wall of the ring gear 614, the two tension springs are stretched to store energy.

[0082] In this way, the two tension springs can drive the locking shoe 621 to switch from the locking position to the releasing position under the action of the restoring force, and the two tension springs are correspondingly arranged at both ends of the locking shoe 621 in the length direction to ensure the force balance at both ends of the locking shoe 621 and avoid the position of the locking shoe 621 from being offset.

[0083] In practice, the elastic member 624 is not limited to the structural form of the above-mentioned tension spring. For example, the elastic member 624 can also be an elastic rope, etc.

[0084] In addition, when the number of the locking shoe 621 is one, the tension spring can be connected to the spring pin 627 at the corresponding end of the locking shoe 621 at one end, and directly connected to the fixing plate 622 at the other end.

[0085] like Figure 5 As shown, in the locking release structure 62 of the second embodiment, one end of the locking shoe 621 is hinged to the fixing plate 622 , and the locking shoe 621 can rotate around the hinge under the push of the locking cam 623 to approach or move away from the inner circumferential wall of the ring gear 614 .

[0086] Among them, the locking shoe 621 is specifically hinged to the fixed plate 622 through the hinge shaft 620. A hinge hole is set in the locking shoe 621 and the fixed plate 622, and the hinge shaft 620 is connected to the hinge shaft 620. The hinge shaft 620 can be rotatably inserted inside the hinge hole to realize the hinge connection of the locking shoe 621 and the fixed plate 622.

[0087] In this embodiment, the locking shoe 621 is provided with spring pins 627 at both ends in the length direction, and the elastic member 624 includes a tension spring. The two ends of the tension spring are hooked on the spring pins 627 at the corresponding ends of the two locking shoes 621. The tension spring is located between the two locking shoes 621. When the locking shoe 621 moves toward the inner circumferential wall of the gear ring 614, the tension spring near the hinge is compressed to store energy, and the tension spring away from the hinge is stretched to store energy.

[0088] In this way, the two tension springs can work together to drive the locking shoe 621 to switch from the locked position to the released position under the action of the restoring force. In practice, since the tension spring away from the hinge is stretched to store energy, the elastic member 624 away from the hinge is not limited to the structural form of the above tension spring, and can also be an elastic rope, etc.

[0089] In addition, the number of the elastic member 624 is not limited. For example, the number of the elastic member 624 can be at least one, and it is connected to at least one end of the two locking shoes 621 .

[0090] Please refer to Figure 1 , Figure 6-Figure 7 , Figure 6 for Figure 1 A schematic diagram of the structure of the driving mechanism in the vehicle side door driver; Figure 7 for Figure 6 Schematic diagram of the drive mechanism.

[0091] In this embodiment, the power component includes a second drive motor 6210, a second worm gear mechanism 6211 and a screw nut mechanism 6212. The second worm gear mechanism 6211 includes a second worm 6211a and a second worm wheel 6211b meshing with each other. The screw nut mechanism 6212 includes a second screw 6212a and a second screw nut 6212b threadedly connected.

[0092] The output shaft of the second drive motor 6210 is torsionally connected to the second worm 6211a, the second worm wheel 6211b is installed on the second screw rod 6212a and is circumferentially limited. The second screw rod 6212a is rotatably installed on the mechanism housing, and the second nut 6212b is transmission connected to the toggle plate 625, and the transmission direction is perpendicular to the rotation direction of the toggle plate 625.

[0093] As set above, when the door is in the closed state, the vehicle controller automatically controls the second drive motor 6210 to move in the reverse direction, and the second drive motor 6210 drives the second worm 6211a to rotate in the reverse direction synchronously, and the second worm wheel 6211b rotates in the reverse direction under the meshing action of the second worm 6211a and the second worm wheel 6211b. Since the second worm wheel 6211b is installed on the second screw rod 6212a and is circumferentially limited and connected, and the second screw rod 6212a is rotatably installed on the mechanism housing, the second screw rod 6212a rotates in the reverse direction around the axis. Rotation, under the action of the threaded cooperation of the second screw rod 6212a and the second nut 6212b, the second nut 6212b moves in the opposite direction along the axial direction of the second screw rod 6212a. Since the second nut 6212b and the toggle plate 625 are transmission connected, and the transmission direction is perpendicular to the rotation direction of the toggle plate 625, the toggle plate 625 rotates in the opposite direction driven by the second nut 6212b, and drives the locking cam 623 to rotate in the opposite direction synchronously. The locking shoe 621 is disengaged from the inner circumferential wall of the ring gear 614 under the push of the locking cam 623.

[0094] When the vehicle door needs to be opened and closed electrically normally, the occupant can press the electric button and control the second drive motor 6210 to move in the forward direction. The second drive motor 6210 drives the second worm 6211a to rotate in the forward direction synchronously. The second worm wheel 6211b rotates in the forward direction under the meshing action of the second worm 6211a and the second worm wheel 6211b. Since the second worm wheel 6211b is installed on the second screw rod 6212a and is circumferentially limited and connected, and the second screw rod 6212a is rotatably installed on the mechanism housing, the second screw rod 6212a rotates in the forward direction around the axis. Under the action of the thread of the second nut 6212b, the second nut 6212b moves forward along the axial direction of the second screw rod 6212a. Since the second nut 6212b and the toggle plate 625 are transmission connected, and the transmission direction is perpendicular to the rotation direction of the toggle plate 625, the toggle plate 625 rotates forward under the drive of the second nut 6212b, and drives the locking cam 623 to rotate forward synchronously. The locking shoe 621 approaches the inner circumferential wall of the ring gear 614 under the push of the locking cam 623 until the locking shoe 621 abuts against the inner circumferential wall of the ring gear 614, and the door can be opened electrically at this time.

[0095] If an emergency such as a car accident, falling into water, or a fire occurs when the door is closed, causing the entire vehicle to lose power and the vehicle's side door opening drive cannot be driven normally, the occupants can open and close the door manually.

[0096] like Figure 5 and Figure 7 As shown, the toggle plate 625 is connected to the connecting shaft 6213, the outer wall of the second nut 6212b has a protrusion, and the protrusion is correspondingly provided with a fixing hole a, and the connecting shaft 6213 is fixedly inserted inside the fixing hole a to achieve the transmission connection between the toggle plate 625 and the second nut 6212b.

[0097] It can be understood that, in practice, the power component is not limited to the above-mentioned embodiments. For example, the power component can be a cylinder / hydraulic cylinder / electric cylinder with two output rods. The cylinder / hydraulic cylinder / electric cylinder is directly installed on the fixed plate, and the output rod of the cylinder / hydraulic cylinder / electric cylinder is connected to the locking shoe 621. The extension or retraction of the output rod can drive the locking shoe 621 to move radially along the ring gear 614.

[0098] In addition, in practice, the structural form of the electric switching component 6 is not limited to the implementation method of the above-mentioned planetary gear mechanism 61 and the power component. For example, the transmission shaft 3 includes a first shaft portion and a second shaft portion coaxially arranged, and the electric switching component 6 includes two electromagnetic devices. The first shaft portion and the second shaft portion are respectively connected to an electromagnetic device at one end close to each other, and the input tooth portion 21 is installed on the first shaft portion and is circumferentially limited. The first worm gear 51 is installed on the second shaft portion and is circumferentially limited. When the vehicle door is in a closed state, the two electromagnetic devices are powered off, the first shaft portion and the second shaft portion are separated, and the first worm gear 51 and the input tooth portion 21 are released from the transmission connection. When the vehicle door needs to be opened and closed electrically normally, the two electromagnetic devices are powered on and magnetically attracted, the first shaft portion and the second shaft portion are connected as a whole, and can rotate synchronously, the first worm gear 51 and the input tooth portion 21 are transmission connected, and the vehicle side door opening drive is driven by the first drive motor 4 to realize the opening or closing of the vehicle door.

[0099] If an emergency such as a car accident, falling into water, or a fire occurs when the door is closed, causing the entire vehicle to lose power, and the vehicle side door opening drive cannot be electrically driven normally, the occupants can manually push and pull the door. Since the electromagnetic device is powered off, the first shaft portion and the second shaft portion are separated, the first worm gear 51 and the input tooth portion 21 are released from the transmission connection, and the driving force acting on the door is only transmitted to the first shaft portion. The occupants also do not need to overcome the hovering holding force provided by the first worm gear mechanism 5, and can manually open the door with very little force, thereby reducing the difficulty of escape for the occupants.

[0100] The utility model also provides a vehicle, including a vehicle door and a vehicle body, and also includes the aforementioned vehicle side door opening driver. In the vehicle side door opening driver, a first screw rod 11 and a first nut 12 are both installed in the vehicle door and can rotate relative to each other, and one end of the other of the first screw rod 11 and the first nut 12 is directly or indirectly connected to the vehicle body.

[0101] The vehicle of the utility model includes the aforementioned automobile side door opening drive, and therefore has the same technical effects as the aforementioned automobile side door opening drive, which will not be described in detail here.

[0102] The above is a detailed introduction to a vehicle side door driver and a vehicle provided by the utility model. This article uses specific examples to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A vehicle side door driver, characterized in that: include: A screw-nut transmission unit (1), a transmission pair (2) and a transmission shaft (3), wherein the screw-nut transmission unit (1) comprises a first screw (11) and a first nut (12) which are threadedly connected, the transmission pair (2) comprises an input tooth portion (21) and an output tooth portion (22), the input tooth portion (21) is connected to the transmission shaft (3), and one of the first screw (11) and the first nut (12) is connected to the output tooth portion (22); a first drive motor (4) and a first worm gear mechanism (5), wherein the first worm gear mechanism (5) comprises a first worm wheel (51) and a first worm (52) meshing with each other, an output shaft of the first drive motor (4) and the first worm (52) being torsionally connected, and the first worm wheel (51) passing through the transmission shaft (3); It also includes an electric switching component (6), which is arranged on the transmission shaft (3), and has a first working position and a second working position. When the electric switching component (6) is in the first working position, the first worm gear (51) and the input tooth portion (21) are in transmission connection, and the vehicle side door opening driver is driven by the first drive motor (4); when the electric switching component (6) is in the second working position, the first worm gear (51) and the input tooth portion (21) are released from transmission connection, and the vehicle side door opening driver is driven manually.

2. The vehicle side door driver according to claim 1, characterized in that: The input tooth portion (21) and the transmission shaft (3) are circumferentially limitedly connected, and the electric switching assembly (6) comprises: A planetary gear mechanism (61), the planetary gear mechanism (61) comprising a sun gear (611), a planetary gear (612), a planetary carrier (613) and a ring gear (614), the sun gear (611) being rotatably mounted on the transmission shaft (3), the first worm gear (51) being mounted on the sun gear (611) and being circumferentially limited, the planetary carrier (613) and the transmission shaft (3) being fixedly connected, the planetary gear (612) being rotatably mounted on the corresponding planetary carrier (613), the sun gear (611), the planetary gear (612) and the ring gear (614) being meshed in sequence from inside to outside in a radial direction; A locking release structure (62), the locking release structure (62) comprising a power component and a locking shoe (621), the locking shoe (621) being at least partially located inside the gear ring (614), the power component being configured to drive the locking shoe (621) to move along the radial direction of the gear ring (614), so that the locking shoe (621) switches between a locking position and a release position, When the electric switching assembly (6) is in the first working position, the locking shoe (621) is in the locking position, and the locking shoe (621) and the inner circumferential wall of the ring gear (614) are in contact; when the electric switching assembly (6) is in the second working position, the locking shoe (621) is in the releasing position, and the locking shoe (621) and the inner circumferential wall of the ring gear (614) are disengaged.

3. The vehicle side door driver according to claim 2, characterized in that: The locking release structure (62) further comprises a fixing plate (622), a locking cam (623) and an elastic member (624), wherein: The fixing plate (622) is relatively fixed to the mechanism housing, the locking cam (623) is arranged on one side of the fixing plate (622) and can rotate relatively, the locking shoe (621) is arranged on one side of the fixing plate (622), and the outer contour of the locking cam (623) fits the inner contour of the locking shoe (621); The power component is configured to drive the locking cam (623) to rotate within the plane of the fixed plate (622). When the power component moves in the forward direction, the locking shoe (621) approaches the inner circumferential wall of the gear ring (614) under the pushing action of the locking cam (623), and the elastic member (624) gradually accumulates energy. When the power component moves in the reverse direction, the locking shoe (621) moves away from the inner circumferential wall of the gear ring (614) under the action of the restoring force of the elastic member (624).

4. The vehicle side door driver according to claim 3, characterized in that: The locking release structure (62) further comprises a toggle plate (625), wherein the toggle plate (625) is arranged on the other side of the fixed plate (622), the locking cam (623) and the toggle plate (625) are fixedly connected, and the power component and the toggle plate (625) are connected.

5. The vehicle side door driver according to claim 3, characterized in that: The number of the locking shoes (621) is two, and the two locking shoes (621) are arranged opposite to each other on one side of the fixing plate (622), and the locking cam (623) is located between the two locking shoes (621). When the power component moves forward, the two locking shoes (621) move relatively away from each other under the pushing action of the locking cam (623); when the power component moves backward, the two locking shoes (621) move relatively close to each other under the restoring force of the elastic member (624).

6. The vehicle side door driver according to claim 3, characterized in that: The locking shoe (621) can move radially along the gear ring (614) under the pushing action of the locking cam (623).

7. The vehicle side door driver according to claim 6, characterized in that: One of the locking shoe (621) and the fixing plate (622) is provided with at least one guide groove, and the other is provided with at least one limit pin (626). The limit pin (626) is inserted into the corresponding guide groove. The limit pin (626) can slide along the extension direction of the guide groove to realize the radial movement of the locking shoe (621) along the gear ring (614).

8. The vehicle side door driver according to claim 3, characterized in that: One end of the locking shoe (621) is hinged to the fixing plate (622), and the locking shoe (621) can rotate around the hinge under the pushing action of the locking cam (623) to approach or move away from the inner peripheral wall of the gear ring (614).

9. The vehicle side door driver according to claim 4, characterized in that: The power component comprises a second drive motor (6210), a second worm gear mechanism (6211) and a screw nut mechanism (6212); the second worm gear mechanism (6211) comprises a second worm (6211a) and a second worm wheel (6211b) meshing with each other; the screw nut mechanism (6212) comprises a second screw (6212a) and a second nut (6212b) threadedly connected; The output shaft of the second drive motor (6210) and the second worm (6211a) are torsionally connected, the second worm wheel (6211b) is mounted on the second screw (6212a) and is circumferentially limitedly connected, the second screw (6212a) is rotatably mounted on the mechanism housing, the second nut (6212b) and the toggle plate (625) are transmission-connected, and the transmission direction is perpendicular to the rotation direction of the toggle plate (625).

10. A vehicle, comprising a door and a body, characterized in that: It also includes the vehicle side door opening driver as described in any one of claims 1 to 9, in which the first screw rod (11) and the first nut (12) are both installed in the vehicle door and can rotate relative to each other, and one end of the other of the first screw rod (11) and the first nut (12) is directly or indirectly connected to the vehicle body.

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