Dual-mode side door hinge, vehicle and method

Abstract

The invention relates to the technical field of automobile door hinge structures, in particular to a dual-mode side door hinge, a vehicle and a method, horizontal-pushing type door opening is achieved in a motor mode, the influence on a side wall and sealing is small, meanwhile, a lever and a corresponding limiting block are additionally arranged, dual locking of a horizontal-pushing type door opening mode can be achieved, and the service life of the side door is prolonged. The reliability of lateral collision during scissor-type door opening of the vehicle door is improved; comprising a first movable hinge plate and a second movable hinge plate, the double-lock mechanism comprises a mounting seat arranged on the first movable hinge plate, a double-rack lifting mechanism is arranged in the middle of the mounting seat and comprises a first rack and a second rack with push rods at the bottom ends, and a lever is arranged below the double-rack lifting mechanism; a first locking unit and a second locking unit are arranged on the two sides of the mounting base correspondingly and used for achieving locking of scissor type door opening and locking of horizontal sliding type door opening correspondingly. The first movable hinge plate is further provided with a horizontal pushing driving piece, and the output end of the horizontal pushing driving piece is fixedly matched with a pin sleeve on the second movable hinge plate to achieve rotation of the second movable hinge plate.

Description

Technical Field

[0001] The present invention relates to the technical field of automotive door hinge structures, and in particular to a dual-mode side door hinge, a vehicle, and a method. Background Art

[0002] The door system usually adopts traditional opening methods. Although these designs meet the basic usage requirements, they have limitations in providing a spacious entry and exit space and enhancing the user experience. In the prior art, the Chinese invention patent with the publication number CN118881268A discloses a dual-mode door electric system and a vehicle having the electric system, which can achieve scissor-type door opening and push-type door opening. In this solution, since the side-opening drive mechanism is a push-rod structure, an extension plate needs to be provided on the door member, and the extension plate extends to the outside of the side wall, connecting the output end of the side-opening drive mechanism inside the door. This solution has the following problems:

[0003] First, as a cantilever structure, the extension plate needs to extend a relatively long length, and a groove for accommodating the extension plate needs to be correspondingly provided outside the side wall. This places higher requirements on the mold for side wall processing, increasing the overall processing cost. In addition, adding the groove also increases the difficulty of setting the sealing structure; at the same time, due to the long extension distance of this cantilever structure, its overall structural strength is reduced.

[0004] Second, in the above solution, when the scissor-type door is opened to the maximum opening, if the door is laterally collided, the reliability is poor, and the structure is easily damaged due to the lateral collision. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a dual-mode side door hinge, a vehicle, and a method. It uses a motor form to achieve push-type door opening, has less impact on the side wall and sealing, and at the same time adds a lever and corresponding limit blocks to achieve double locking in the push-type door opening mode, improving the reliability of the door against lateral collision during scissor-type door opening.

[0006] To achieve the above purpose, the present invention is realized through the following technical solutions:

[0007] In a first aspect, a dual-mode side door hinge includes:

[0008] A first movable page plate, rotatably connected to the vehicle body member to achieve scissor-type door opening;

[0009] A second movable page plate, both ends of which are rotatably connected to the edge of the first movable page plate through a pin sleeve and a positioning pin to achieve push-type door opening. A pair of limit blocks are provided inside the second movable page plate;

[0010] Double-lock mechanism, including a mounting base provided on the first movable page board. A double-rack lifting mechanism is arranged at the middle position of the mounting base, including a first rack and a second rack with a push rod at the bottom end. A lever is provided below the double-rack lifting mechanism. A first locking unit and a second locking unit are respectively arranged on both sides of the mounting base, which are respectively used to realize the locking of the scissors-type door opening and the locking of the push-type door opening; the first rack and the second rack cooperate with a gear to achieve reverse movement, and when the racks move downward, the locking units can be unlocked through the push rods. When the first rack moves downward, one end of the lever can be pushed by the push rod, so that the other end of the lever moves between the limit blocks to achieve double locking on the basis of the second locking unit; a push drive is also provided on the first movable page board, and the output end of the push drive is fixedly matched with a pin sleeve on the second movable page board to realize the rotation of the second movable page board.

[0011] As a further implementation method, pin sleeves are provided at the upper and lower ends of the second movable page board, and positioning pins that are rotationally matched with the pin sleeves are provided at the corresponding positions on the first movable page board.

[0012] As a further implementation method, the push drive is arranged on the side of the double-lock mechanism away from the first movable page board, and the top end of the transmission shaft of the push drive is fixedly matched with the bottom end of the pin sleeve at the upper end of the second movable page board in a spline form.

[0013] As a further implementation method, the mounting base is connected in a Z-shaped structure by a first side plate, a mounting plate and a second side plate in sequence. The mounting plate is located on one side of the second movable page board. The first side plate extends to the vehicle body part, and the second side plate is located inside the second movable page board.

[0014] As a further implementation method, the double-rack lifting mechanism, the lever and the gear are arranged on the mounting plate. The first rack and the second rack are arranged oppositely and cooperate with the gear so that the two racks can slide up and down on one side of the mounting plate. First push rods and second push rods respectively extend horizontally outside the bottom ends of the first rack and the second rack. The first push rod extends to the first side plate, and the second push rod extends to the second side plate.

[0015] As a further implementation method, the lever is arranged below the two racks and is rotatably connected to the mounting plate at the middle position. A torsion spring structure that can reset the lever is arranged at the rotation connection; when the first rack moves downward, the end of the lever can be pressed down by the first push rod, so that the other end of the lever moves between the limit blocks.

[0016] As a further implementation manner, a first locking unit is provided on the first side plate. The first locking unit includes a first pawl and a first locking block that cooperate with each other. Both the first pawl and the first locking block are rotatably connected to the first side plate. The first locking block is provided with a U-shaped groove that cooperates with a locking rod on the vehicle body part. A torsion spring for resetting is provided at the connection between the first pawl and the first side plate to lock the first locking block; the first pawl can be pushed down by a first push rod to unlock the first locking block.

[0017] As a further implementation manner, a locking pin is provided on the second movable flap. The second locking unit is provided on the second side plate and includes a second pawl and a second locking block having the same structural form as the first locking unit. The locking pin extends to the U-shaped groove of the second locking block, and the second pawl can be pushed down by a second push rod to unlock the second locking block.

[0018] In a second aspect, a vehicle includes the dual-mode side door hinge as described in any one of the above.

[0019] In a third aspect, a working method of a dual-mode side door hinge uses the dual-mode side door hinge as described in any one of the above, and includes the following steps:

[0020] When the scissors-type door opening mode is required, the gear rotates and drives the first rack and the first push rod to descend. The first push rod unlocks the first locking unit to realize unlocking of the scissors-type door opening mode. The second rack ascends, and the second pawl locks the flat-push door opening mode under the action of the torsion spring. The first push rod simultaneously pushes the lever so that the end of the lever moves between the limit blocks on the second movable flap to realize double locking of the flat-push door opening mode;

[0021] When the flat-push door opening mode is required, the gear rotates in the reverse direction, driving the first rack to ascend and the second rack to descend. The first pawl locks the scissors-type door opening mode under the action of the torsion spring. The second push rod descends to push the second pawl to unlock the second locking unit to realize unlocking of the flat-push door opening mode. Then, the output end of the flat-push driving member rotates to drive the second movable flap to rotate.

[0022] The beneficial effects of the present invention are as follows:

[0023] 1. The present invention changes the push-rod type side opening drive mechanism to a motor form, without the need to provide a long extension plate on the first movable flap, and without the need to additionally provide a groove structure on the outer side of the side wall, reducing the processing cost of the side wall and having little impact on the side wall and the corresponding sealing structure setting, and can achieve the layout with almost no movement of the side wall and the seal. In addition, since there is no need to provide an extension plate structure, it also solves the problem of the reduction of the overall structural strength caused by the excessive cantilever length in the prior art.

[0024] 2. The present invention realizes effectively reducing the risk of structural damage to the vehicle door caused by lateral collision during the scissor - type door opening mode by setting a lever and a corresponding limit - block structure.

[0025] 3. The first locking unit and the second locking unit of the present invention cooperate with the rack lifting mechanism to achieve a quick switch between the scissor - type door opening mode and the push - type door opening mode. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The attached drawings forming a part of this specification are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention.

[0027] Figure 1 It is a schematic structural view of the dual - mode side - door hinge in an embodiment of the present invention;

[0028] Figure 2 It is a partial structural view of the dual - mode side - door hinge in an embodiment of the present invention;

[0029] Figure 3 It is a schematic overall structural view of the dual - lock mechanism in an embodiment of the present invention;

[0030] Figure 4 It is a schematic structural view of the motor in an embodiment of the present invention;

[0031] Figure 5 It is a schematic structural view of the second movable page plate in an embodiment of the present invention.

[0032] In the figures, the distances or dimensions between each part are exaggerated for showing the positions of each part, and the schematic diagrams are only for illustration.

[0033] Wherein: 1. vehicle - body part, 2. first movable page plate, 3. second movable page plate, 4. first pusher, 5. second pusher, 6. fixed seat, 7. motor, 8. dual - lock mechanism, 21. upper positioning pin, 22. lower positioning pin, 31. upper pin sleeve, 32. lower pin sleeve; 33. locking pin, 34. limit block; 9. locking rod, 10. lever; 11. first pawl, 12. second pawl, 13. first lock block, 14. second lock block, 151. first rack, 152. second rack, 16. gear, 161. gear - driving motor, 17. guide block, 18. spring; 81. mounting plate, 82. first side plate, 83. second side plate; 141. first push rod, 153. second push rod, 154. convex block, 71. speed - reducer box, 72. transmission shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0034] It should be noted that the following detailed description is illustrative and aims to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention pertains.

[0035] Embodiment 1

[0036] In a typical implementation manner of the present invention, with reference to Figures 1-5 As shown, a dual-mode side door hinge includes a body part 1, a first movable flap 2, a second movable flap 3, a first pusher 4, and a second pusher 5. Among them, the body part 1 is a fixed part, which is directly fixed on the vehicle body and serves as the support structure of the side door hinge.

[0037] As Figure 1 shown, the top position of the first movable flap 2 is rotationally connected to the body part 1 to achieve scissor-type door opening. The upper end and the position near the lower end of the first movable flap 2 are respectively connected to the output ends of the first pusher 4 and the second pusher 5. The output ends of the first pusher 4 and the second pusher 5 can push the first movable flap 2 to move relative to the body part 1, thereby achieving the scissor-type door opening mode. The pusher is a prior art and can adopt an electric push rod or a pneumatic push rod.

[0038] The upper and lower ends of the second movable flap 3 are rotationally connected to the edge of the first movable flap 2 through a pin sleeve and a positioning pin to achieve flat-push door opening.

[0039] As Figure 1 and Figure 5 shown, the upper and lower ends of the second movable flap 3 are provided with pin sleeves, and the corresponding positions of the first movable flap 2 are provided with positioning pins that are rotationally matched with the pin sleeves, namely an upper positioning pin 21 and a lower positioning pin 22. The second movable flap 3 is correspondingly provided with an upper pin sleeve 31 and a lower pin sleeve 32. The top of the upper pin sleeve 31 is sleeved with the lower end of the upper positioning pin 21, and the lower pin sleeve 32 is sleeved with the upper end of the lower positioning pin 22. Thus, the second movable flap 3 can rotate relative to the first movable flap 2. When the second movable flap 3 rotates, it is in the flat-push door opening mode at this time.

[0040] As Figure 1 shown, the second movable flap 3 is connected to the edge of the first movable flap 2 and is arranged on the side of the first movable flap 2 away from the body part. Figure 1 In the perspective view, the right vertical edge of the first movable flap 2 is rotationally connected to the second movable flap 3, and a connection point for cooperating with the pusher is provided on the left edge of the first movable flap 2.

[0041] The double-lock mechanism 8 includes a mounting seat provided on the first movable flap 2. The mounting seat is fixed on the side of the first movable flap 2 away from the body part 1 and moves with the first movable flap 2.

[0042] On the side of the first movable flap 2 away from the vehicle body part 1, a fixed seat 6 is also fixedly provided. The fixed seat 6 is also arranged on the side (inner side) of the second movable flap 3 close to the first movable flap 2. At the top of the fixed seat 6 is a flat push driving member, and the top end of the flat push driving member is the output end for connecting to the upper pin sleeve 31.

[0043] Specifically, the flat push driving member is arranged on the side of the double-lock mechanism away from the first movable flap 2 through the fixed seat 6. The top end of the transmission shaft of the output end of the flat push driving member is fixedly fitted with the bottom end of the upper pin sleeve 31 at the upper end of the second movable flap 3 in a spline form.

[0044] As Figure 4 shown, the flat push driving member adopts a motor 7. A reduction gearbox 71 is arranged on the top of the motor 7. The transmission shaft 72 at the output end of the reduction gearbox 71 is fixedly fitted with the upper pin sleeve 31. The motor 7 amplifies the torque through the reduction gearbox 71, and then drives the second movable flap 3 to perform a flat push movement through the spline, realizing the operation of the flat push type door opening mode.

[0045] In this embodiment, compared with the prior art, the push rod type side opening driving mechanism is changed to a motor form. Therefore, there is no need to set a long extension plate on the first movable flap, and there is no need to additionally set a groove structure on the outer side of the side wall, which reduces the processing cost of the side wall and has little influence on the setting of the side wall and the corresponding sealing structure. It can be arranged with almost no movement of the side wall and the seal. In addition, since this embodiment does not need to set an extension plate structure, it also solves the problem that the overall structural strength is reduced due to the too large cantilever length in the prior art.

[0046] A double-rack lifting mechanism is arranged at the middle position of the mounting seat, including a first rack 151 and a second rack 152 with a push rod at the bottom end. A lever 10 is arranged below the double-rack lifting mechanism. The first locking unit and the second locking unit are respectively arranged on both sides of the mounting seat, which are respectively used to realize the locking of the scissors type door opening and the locking of the flat push type door opening.

[0047] As Figures 1-3 shown, the mounting seat is connected into a Z-shaped structure by a first side plate 82, a mounting plate 81 and a second side plate 83 in sequence. The mounting plate is located on one side of the second movable flap 3. The first side plate 81 extends to the vehicle body part 1. The first side plate 81 is located on the side of the mounting plate 81 away from the second movable flap and is arranged almost perpendicular to the first movable flap 2. The second side plate 83 is located inside the second movable flap 3 and is parallel to the second movable flap 3.

[0048] As Figure 2 and Figure 3 shown, the double-rack lifting mechanism, the lever 10 and the gear 16 are all arranged on the mounting plate and on the side of the mounting plate away from the first movable flap 2. The lever 10 is arranged below the double-rack lifting mechanism.

[0049] The first locking unit is provided on the side of the first side plate 82 away from the mounting plate, and the second locking unit is provided on the side of the second side plate 83 close to the mounting plate. As shown in the Figure 3 viewpoint, both locking units are provided at the left side position of the side plate.

[0050] As shown in the Figure 3 figure, the gear drive motor 161 is provided on the side of the mounting plate close to the first movable flap 2. A gear is provided on the other side of the mounting plate. The output end of the gear drive motor 161 passes through the mounting plate and is connected to the gear 16 to drive the gear to rotate.

[0051] As shown in the Figure 2 and Figure 3 figures, the double-rack lifting mechanism includes a first rack 151 and a second rack 152 with a push rod at the bottom. The first rack 151 and the second rack 152 are arranged oppositely and cooperate with the gear 16 together so that the two racks can slide up and down on one side of the mounting plate.

[0052] On the sides of the bottom ends of the first rack 151 and the second rack 152 away from each other, a first push rod 141 and a second push rod 153 extend horizontally respectively. The first push rod 141 extends to the first side plate 82, and the second push rod 153 extends towards the inner position of the second side plate 83.

[0053] Regarding the first locking unit, it is used to achieve the locking of the scissor-type door opening mode.

[0054] Specifically, the first locking unit is provided on the first side plate 81. The first locking unit includes a first pawl 11 and a first lock block 13 that cooperate with each other. Both the first pawl 11 and the first lock block 13 are rotatably connected to the fixed shaft on the first side plate 81. As shown in the Figure 3 figure, the first pawl 11 is located below the first lock block 13.

[0055] As shown in the Figure 2 figure, a locking rod 9 is provided on the vehicle body part 1 at the position corresponding to the first locking unit. The locking rod 9 is L-shaped, with the front end vertically fixed on the vehicle body part 1, and the end extends into the U-shaped groove of a lock block 13 on the left side of the first side plate 81 and is perpendicular to the first side plate 81.

[0056] Furthermore, as shown in the Figure 2 and Figure 3 figures, the first lock block 13 is provided with a U-shaped groove that cooperates with the locking rod 9 on the vehicle body part 1. The top end of the first lock block 13 is used to be rotatably connected to the first side plate 81. The U-shaped groove is provided at the lower end of the first lock block 13. The U-shaped groove is formed between the two side edges of the first lock block 13, and the length of the first side edge away from the vehicle body part 1 is greater than the length of the other side edge.

[0057] The rear end of the first pawl 11 is rotatably connected to the first side plate 81. At the connection of the first pawl 11 and the fixed shaft of the first side plate 82, there is a device to reset it to the state as shown in theFigure 3 The torsion spring in the locked state as shown.

[0058] A locking portion is provided at the front end of the first pawl 11 for abutting against the first side edge to achieve relative locking between the vehicle body part 1 and the first movable plate.

[0059] The bottom of the locking portion continues to extend in the direction away from the vehicle body part to form an unlocking portion. The unlocking portion extends to the side of the mounting plate away from the vehicle body part 1 and is in correspondence with the position of the first push rod 141.

[0060] As Figure 2 shown, vertical sliding grooves are formed on the first rack 151 and the second rack 152, and corresponding guide blocks 17 are provided on the mounting plate. The guide blocks 17 are fitted on the sliding grooves, and the guide blocks 17 are engaged with the sliding grooves, so that the first rack 151 and the second rack 152 can slide up and down under the limitation of the guide blocks. It can be understood that the sliding directions of the first rack 151 and the second rack 152 are opposite.

[0061] As Figure 3 shown, when the gear 16 rotates counterclockwise, the first rack 151 slides down, which drives the first push rod 141 to move downward. The first push rod 141 can press down the unlocking portion extended from the first pawl, so that the first pawl 11 rotates clockwise, and the abutting state between the locking portion and the first side edge of the first lock block 13 is released. At this time, the torsion spring on the first pawl 11 is in a state of storing energy and has a tendency to make the first pawl 11 rotate counterclockwise. After the first locking unit is unlocked, it is in a scissor-type door opening mode. When the output ends of the first pushing member 4 and the second pushing member 5 extend, they can drive the first movable flap 2 to act relative to the vehicle body part 1, and the second movable flap 3 follows the first movable flap 2 to act synchronously.

[0062] Since the first rack 151 moves downward, the second rack 152 moves upward. Therefore, when the first locking unit is unlocked, the second locking unit is in a locked state. Thus, it is realized that the scissor-type door opening mode and the flat-push type door opening mode can only operate in one mode. By driving the gear motor 161 to drive the gear to rotate forward and backward, the switching of the door opening mode can be realized.

[0063] When the first push rod 141 moves upward, the first pawl 11 rotates counterclockwise under the action of the torsion spring, and the locking portion abuts against the first side edge of the first lock block 13 again to realize the locking of the first locking unit. It should be noted that when the first pawl 11 is reset to the locked state, it cannot rotate counterclockwise anymore and can only rotate in the unlocking direction. This part can be realized by the prior art, specifically by adding a limiting structure at the rotation connection of the first pawl 11.

[0064] For the second locking unit, its unlocking principle is the same as that of the first locking unit, except that the two locking units are always in different states. That is, when the first locking unit is unlocked, the second locking unit is in the locked state, and when the second locking unit is unlocked, the first locking unit is in the locked state.

[0065] As Figure 2 and Figure 3 、 Figure 5 shown, since the second movable panel 3 is in a state close to perpendicular to the first movable panel when the vehicle door is in the closed state, a rod-shaped locking pin 33 is provided on the second movable panel.

[0066] The second locking unit is provided on the left side of the second side plate and includes a second pawl 12 and a second lock block 14 having the same structural form as the first locking unit. The locking pin 33 extends to the U-shaped groove of the second lock block 14, and the second pawl can be pushed down by the second push rod to unlock the second lock block.

[0067] Specifically, when wanting to switch to the flat-push type door opening, the gear 16 needs to rotate clockwise, causing the first rack 151 to rise and the second rack 152 to fall. At this time, the torsion spring drives the first pawl 11 to rotate counterclockwise to lock the first locking unit, while the second rack 152 drives the second push rod 153 to fall.

[0068] The second pawl 12 is also configured with corresponding locking and unlocking portions, but the extending direction is opposite to that of the first pawl 11. The longer first side at the bottom end of the second lock block is correspondingly located on the side of the first side plate close to the mounting plate.

[0069] The downward movement of the second push rod 153 can push the unlocking portion of the second pawl 12 to cause the second pawl 12 to rotate counterclockwise. A torsion spring is also provided at the rotational connection of the second pawl 12 with the fixed shaft of the second side plate 83. The counterclockwise rotation of the second pawl 12 unlocks the second lock block, and the locking portion of the second pawl 12 is disengaged from the abutting state with the first side of the first lock block. At this time, the second locking unit is unlocked, realizing the switching from the scissors type door opening mode to the flat-push type door opening mode. After that, the motor 7 operates to drive the second movable panel 3 to rotate relative to the first movable panel, realizing the flat-push type door opening, and the first movable panel 2 and the vehicle body part 1 are locked as a whole through the first locking unit.

[0070] It can be understood that when the second locking unit is unlocked, the second pawl 12 rotates counterclockwise, and the corresponding torsion spring is also energized, having a tendency to reset it (rotate clockwise) to the locked state.

[0071] When the second push rod 153 rises, under the action of the torsion spring, the second pawl 12 rotates clockwise. When it rotates to the locked state, due to the corresponding limiting structure, the second pawl 12 cannot continue to rotate clockwise.

[0072] By switching the unlocking states between the first locking unit and the second locking unit, the mutual switching between the scissor-type door opening mode and the push-type door opening mode is achieved.

[0073] It can be understood that the gear drive motor 161 in this embodiment has a self-locking function, aiming to prevent the torsion springs at the positions of the first pawl 11 and the second pawl 12 from causing the unlocking part of the pawl to push the push rod and change the position of the rack in the energy storage state, ensuring that the door opening mode will not switch unexpectedly.

[0074] For safety assurance, as Figure 3 shown, a fixing block is provided on the side of the mounting plate, and an elastic member is provided below the fixing block, which is the spring 18. The elastic member is sleeved on the shaft and can play a buffering role. A convex block 154 is correspondingly provided on the outside of the second push rod 153. When the convex block 154 moves upward to the corresponding position, buffering is achieved under the action of the spring.

[0075] Considering that when the scissor-type door is opened to the maximum opening, if the vehicle door is laterally collided, the reliability is poor, and the corresponding structure in the push-type door opening mode is easily damaged due to the lateral collision. That is, the locking reliability of a single set of the second locking unit for the push-type door opening mode is insufficient. Therefore, in this embodiment, a double-locking structure in the push-type door opening mode is added, which can lock the second movable flap 3 together with the second locking unit, increasing the reliability and preventing the damage of the second locking unit structure.

[0076] As Figure 5 shown, a pair of limit blocks 33 are provided inside the second movable flap 3, and the limit blocks are provided at a position below the locking pin 33.

[0077] As Figure 2 and Figure 3 shown, the lever 10 is provided below the two racks and is rotatably connected to the mounting plate at the middle position, and a torsion spring structure that can reset the lever 10 to the horizontal state is also provided at the rotation connection; when the lever 10 is in the horizontal state, only the left end can be pressed down by the first push rod 141 to rotate counterclockwise and cannot continue to rotate clockwise.

[0078] Specifically, when switching to the scissor-type door opening mode, the first push rod 141 presses down the left end of the lever 10. The left end of the lever 10 moves downward and the right end moves upward. The lever 10 rotates counterclockwise with the center point as the rotation point, so that the right end of the lever 10 moves between the limit blocks.

[0079] After the unlocking of the scissor-type door opening mode is completed, the right end of the lever 10 moves between the limit blocks. By relying on the limit of the limit block 34 on the end of the lever 10, the double locking of the second movable flap 3 with the second locking unit is realized, better realizing the locking of the push-type door opening mode and ensuring that the second locking unit structure will not be damaged due to the lateral collision after the scissor-type door is opened.

[0080] When the second push rod 153 moves upward, the torsion spring drives the lever 10 to reset to the horizontal state, the lever 10 disengages from the locking state with the limit block 34, and the second locking unit is unlocked synchronously.

[0081] It can be understood that in this embodiment, only the first push rod 141 needs to press down the lever 10. Therefore, the length of the first rack 151 is slightly greater than the length of the second rack 152. And when the second rack 152 moves downward, it will not interfere with the right end of the lever 10.

[0082] The limit block 34 is of an elastic structure to prevent the situation where the lever cannot be clamped due to manufacturing tolerances.

[0083] By setting the lever 10 and the corresponding limit block 34 structure, it is possible to effectively reduce the risk of structural damage to the vehicle door caused by lateral collision during the scissor - type door opening mode.

[0084] Embodiment 2

[0085] In a typical implementation manner of the present invention, referring to Figures 1-5 As shown, a vehicle includes a dual - mode side door hinge as described in Embodiment 1, which can realize the switching between the scissor - type door opening mode and the push - type door opening mode. The driving member of the push - type door opening mode adopts the form of a motor, so that the processing cost of the vehicle side - wall structure is low, the requirements for the mold are low, and the influence on the side - wall and sealing is small; at the same time, a lever structure is configured, and on the basis of the second locking unit, a double - locking of the push - type door opening mode can be realized.

[0086] Embodiment 3

[0087] In a typical implementation manner of the present invention, referring to Figures 1-5 As shown, a working method of a dual - mode side door hinge, using the dual - mode side door hinge as described in Embodiment 1, includes the following steps:

[0088] When it is necessary to switch to the scissor - type door opening mode, the vehicle control unit controls the gear - driven motor 161 to act, so that the gear 15 rotates counter - clockwise and drives the first rack and the first push rod to descend, the second rack ascends, the first push rod unlocks the first locking unit, and the scissor - type door opening mode is unlocked. At this time, the first pawl 11 rotates clockwise, and the corresponding torsion spring stores energy. The first pawl 11 and the first lock block 13 disengage from the locking state, and the scissor - type door opening mode switching is completed. And the second pawl 12 locks the push - type door opening mode under the action of the torsion spring. While the first push rod descends, it pushes the left end of the lever 10, causing the right end of the lever 10 to move between the limit blocks 34 on the second movable flap 3. Combining with the second locking unit, a double - locking of the push - type door opening mode is realized, and it can effectively reduce the risk of structural damage to the vehicle door caused by lateral collision during the scissor - type door opening mode.

[0089] When the flat-push door opening mode is required, the vehicle control unit controls the gear drive motor 161 to act, causing the gear to rotate in the reverse direction (clockwise), driving the first rack 151 to rise and the second rack 152 to fall. The first pawl 11 locks the scissors door opening mode of the first locking unit under the action of the torsion spring, and the second push rod descends to push the second pawl 12 to unlock the second locking unit, thus unlocking the flat-push door opening mode. When the flat-push door opening is required, the output end of the motor 7 rotates to drive the second movable panel 3 to rotate, realizing the flat-push door opening.

[0090] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A dual-mode side door hinge, characterized in that, Comprising: A first movable door panel, rotatably connected to the vehicle body member to achieve scissor-type door opening; A second movable door panel, with both ends rotatably connected to the edge of the first movable door panel through a pin sleeve and a positioning pin to achieve push-type door opening. A pair of limit blocks are provided on the inner side of the second movable door panel; A double-lock mechanism, including a mounting seat provided on the first movable door panel. A double-rack lifting mechanism is arranged at the middle position of the mounting seat, including a first rack and a second rack with a push rod at the bottom end. A lever is provided below the double-rack lifting mechanism. A first locking unit and a second locking unit are respectively arranged on both sides of the mounting seat, which are respectively used to lock the scissor-type door opening and the push-type door opening; The first rack and the second rack cooperate with a gear to achieve reverse movement, and when the rack moves downward, the locking unit can be unlocked through the push rod. When the first rack moves downward, one end of the lever can be pushed by the push rod, so that the other end of the lever moves between the limit blocks to achieve double locking on the basis of the second locking unit; A push drive member is also provided on the first movable door panel, and the output end of the push drive member is fixedly matched with the pin sleeve on the second movable door panel to realize the rotation of the second movable door panel.

2. The dual-mode side door hinge according to claim 1, wherein, Pin sleeves are provided at the upper and lower ends of the second movable door panel, and positioning pins rotatably matched with the pin sleeves are provided at the corresponding positions of the first movable door panel.

3. The dual-mode side door hinge according to claim 2, characterized in that, The push drive member is arranged on the side of the double-lock mechanism away from the first movable door panel, and the top end of the transmission shaft of the push drive member is fixedly matched with the bottom end of the pin sleeve at the upper end of the second movable door panel in a spline form.

4. The dual-mode side door hinge according to claim 1, wherein The mounting seat is connected in a Z-shaped structure by a first side plate, a mounting plate and a second side plate in sequence. The mounting plate is located on one side of the second movable door panel, the first side plate extends to the vehicle body member, and the second side plate is located on the inner side of the second movable door panel.

5. The dual-mode side door hinge according to claim 4, wherein The double-rack lifting mechanism, the lever and the gear are arranged on the mounting plate. The first rack and the second rack are arranged oppositely and cooperate with the gear so that the two racks can slide up and down on one side of the mounting plate. First push rods and second push rods respectively extend laterally outside the bottom ends of the first rack and the second rack. The first push rod extends to the first side plate, and the second push rod extends to the second side plate.

6. The dual-mode side door hinge according to claim 5, wherein The lever is arranged below the two racks and is rotatably connected to the mounting plate at the middle position. A torsion spring structure for resetting the lever is arranged at the rotation connection; When the first rack moves downward, the end of the lever can be pressed down by the first push rod, so that the other end of the lever moves between the limit blocks.

7. A dual-mode side door hinge according to claim 6, wherein, The first locking unit is provided on the first side plate. The first locking unit includes a first pawl and a first lock block that cooperate with each other. Both the first pawl and the first lock block are rotatably connected to the first side plate. A U-shaped groove for cooperating with the locking rod on the vehicle body member is provided on the first lock block. A torsion spring for resetting it is provided at the connection between the first pawl and the first side plate to lock the first lock block; The first pawl can be pushed down by the first push rod to unlock the first lock block.

8. A dual-mode side door hinge according to claim 7, characterized in that, A locking pin is provided on the second movable door panel. The second locking unit is provided on the second side plate, including a second pawl and a second lock block with the same structure as the first locking unit. The locking pin extends to the U-shaped groove of the second lock block, and the second pawl can be pushed down by the second push rod to unlock the second lock block.

9. A vehicle, characterized in that, The vehicle includes the dual-mode side door hinge as described in any one of claims 1-8.

10. A working method of a dual-mode side door hinge, characterized in that, Adopt the dual-mode side door hinge as described in claim 8, including the following steps: When the scissor door opening mode is required, the gear rotates and drives the first rack and the first push rod to descend. The first push rod unlocks the first locking unit to realize the unlocking of the scissor door opening mode. The second rack ascends, and the second pawl realizes the locking of the flat push door opening mode of the second locking unit under the action of the torsion spring. The first push rod simultaneously pushes the lever so that the end of the lever moves between the limit blocks on the second movable page plate to realize the double locking of the flat push door opening mode; When the flat push door opening mode is required, the gear rotates in the reverse direction, driving the first rack to ascend and the second rack to descend. The first pawl realizes the locking of the scissor door opening mode of the first locking unit under the action of the torsion spring. The second push rod descends to push the second pawl to unlock the second locking unit to realize the unlocking of the flat push door opening mode. Then, the output end of the flat push driving member rotates to drive the second movable page plate to rotate.

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