CN214944081U - Multi-point locking mechanism of door system - Google Patents

Abstract

The utility model discloses a door system multipoint locking mechanism, which comprises a driving mechanism, a guide mechanism, a transmission mechanism and a side locking component, wherein the driving mechanism and the guide mechanism are positioned above a door system, the driving mechanism is movably connected with the guide mechanism, and the driving mechanism is restrained by the guide mechanism to rotate for a certain angle at the final stage of closing and the early stage of opening the door leaf, so that the local locking and unlocking of the door system by the driving mechanism are realized; the door system is provided with a side locking assembly at least on one side, one end of the transmission mechanism is connected with the side locking assembly, and the other end of the transmission mechanism is positioned near the driving mechanism; the driving mechanism drives the transmission mechanism to move in the process of rotating, locking and unlocking, and controls the side locking assembly to be locked and unlocked through the transmission mechanism. The utility model realizes the multi-point locking of the upper side and the side of the door leaf through the dead point passing of the driving mechanism, the restraint between the driving mechanism and the guide rail and the restraint of the side locking component to the side of the door leaf; the locking structure has the advantages of good locking effect, simple and reliable structure, small occupied space and easy maintenance.

Description

Multi-point locking mechanism of door system

Technical Field

The utility model relates to a door system multiple spot locking mechanism belongs to track traffic technical field.

Background

Vehicle door systems are usually provided with a locking device on the support drive, by means of which the door leaf is locked when it is closed. When the vehicle speed grade is higher and the requirement on the locking strength of the door system is higher, an additional locking device is added on the side surface of the door system. The common side locking modes include two types, one type adopts an electric or pneumatic element to drive the locking device to lock or unlock, and the locking device needs an additional power source, has high energy consumption, complex structure, large occupied space and poor reliability.

And the other type adopts a mode that the side locking device is linked with a mechanism driving device or other moving parts, and the mechanism driving device drives the door leaf to move and simultaneously drives the side locking device to lock and unlock, so that an independent power source is not needed, and the energy consumption is reduced.

However, the existing linkage related structure has the following defects:

usually, the door leaf movement and the lateral locking device movement are performed synchronously, in order to avoid movement interference, the locking and unlocking movement of the locking device is required to be faster than that of the door leaf, the method has higher requirements on installation and adjustment of the locking device, the risk of movement interference exists, the maintenance is difficult, and the locking effect is poor.

SUMMERY OF THE UTILITY MODEL

The purpose is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a door system multiple spot locking mechanism improves door system bearing capacity, satisfies higher speed grade requirement to overcome in the current door system multiple spot locking mechanism structure complicacy, the locking effect is poor, occupation space is big, installation and debugging difficulty scheduling problem.

The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme does:

a multi-point locking mechanism of a door system comprises a driving mechanism, wherein the driving mechanism is restrained by a guide rail to rotate for a certain angle at the final stage of closing a door leaf and the early stage of opening the door leaf, so that the driving mechanism can lock and unlock the local part of the door system; meanwhile, the rotary driving mechanism drives the transmission mechanism to generate displacement, and the transmission mechanism drives the side locking assembly to lock and unlock through the displacement, so that the side of the door system has multi-point constraint.

Preferably, the transmission mechanism comprises a transmission shaft, a transmission fork is fixed on the transmission shaft, the transmission shaft is connected with one end of a first rotating arm, the other end of the first rotating arm is connected with one end of a first connecting rod, and the other end of the first connecting rod is connected with one end of a second rotating arm; the transmission shaft is also provided with an installation block, the installation block is provided with a limiting post, and the transmission fork is contacted with the limiting post when resetting; the side locking assembly comprises a lock body, a rotatable lock fork is arranged in the lock body, a torsion spring is arranged in the lock fork, the lock fork is initially in a reset state under the action of the torsion spring, and a second roller is arranged at the rear end of the lock fork; the lock body is also internally provided with a rotating shaft, an inner swing arm is arranged on the rotating shaft, the rotating shaft drives the inner swing arm to rotate, when the inner swing arm rotates in place, the front end of the inner swing arm is contacted with the second roller, one end of the rotating shaft is connected with one end of the driving shaft through a universal joint, and the other end of the driving shaft is connected with the other end of the second swing arm; the driving mechanism is used for driving the transmission fork to rotate.

As a preferred scheme, actuating mechanism includes driving motor, and driving motor drives the lead screw and rotates, has cup jointed screw-nut on the lead screw, and screw-nut one end is connected through first pivot rotation with driving frame one end, and the driving frame other end is articulated mutually with driving plate one end, be equipped with the gyro wheel on the driving plate, gyro wheel and guide rail removal are connected, and the guide rail includes straightway, curve section, recess section, and straightway, curve section, recess section connect gradually, screw-nut and transmission fork cooperate.

Preferably, the side locking assemblies are provided in plurality, the end of the rotating shaft of each side locking assembly is connected with the driving shaft of the next side locking assembly through a universal joint, and the driving shaft of the first side locking assembly is connected with the second rotating arm.

As the preferred scheme, still include release mechanism, release mechanism includes the unblock handle, and the unblock handle rotates with drive mechanism to be connected for drive mechanism reverse motion, the last unblock elastomeric element that is provided with of drive mechanism is used for resetting the unblock handle.

Preferably, the device further comprises a transmission fork position holding mechanism, wherein the transmission fork position holding mechanism comprises: the mounting plate is movably connected with a limiting connecting rod, and an elastic component is sleeved on the limiting connecting rod; the transmission shaft is provided with a rotating block, the free end of the rotating block is rotatably connected with one end of the limiting connecting rod, and the elastic component is used for keeping the acting force of the rotating block in the rotating direction.

According to a preferable scheme, the driving mechanism comprises a driving motor, the driving motor drives a screw rod to rotate, a screw rod nut is sleeved on the screw rod, one end of the screw rod nut is connected with a first shaft pin, a roller is arranged at the other end of the screw rod nut, the roller is movably connected with a guide rail, the guide rail comprises a straight line section and a groove section, and the straight line section and the groove section are sequentially connected; the first shaft pin drives the transmission mechanism to generate displacement.

Preferably, the transmission mechanism comprises a transmission shaft, a transmission fork is fixed on the transmission shaft and matched with the first shaft pin, the transmission shaft is connected with the middle part of the first rotating arm, and one end of the first rotating arm is connected with the first connecting rod through a universal joint; a shaft mounting plate at one end of the transmission shaft is provided with a limiting column, and the first rotating arm 203 is contacted with the limiting column when rotating; the side locking assembly comprises a driving shaft, one end of the driving shaft is connected with the first connecting rod through a universal joint, and a bolt is arranged on the driving shaft.

Preferably, the driving shaft is provided with a plurality of bolts.

As preferred scheme, still include release mechanism, release mechanism includes the unblock handle, be provided with the unblock handle on the drive shaft, the unblock handle drives the vertical direction of bolt and reciprocates on the drive shaft.

Preferably, the device further comprises a transmission fork position holding mechanism, wherein the transmission fork position holding mechanism comprises: the mounting panel, the swing joint has spacing connecting rod on the mounting panel, cup jointed the elastomeric element on the spacing connecting rod, spacing connecting rod rotates with the first commentaries on classics arm other end and is connected.

Has the advantages that: the utility model provides a multi-point locking mechanism of a door system, the upper part of a door leaf passes through a dead point through a driving mechanism, the driving mechanism is restrained by a groove section of a guide rail, and the locking of the upper part of the door leaf is realized; in addition, the side surface of the door leaf is restrained by the side locking assembly to the lock column or the lock catch, so that the other locking of the side surface of the door leaf is realized. Meanwhile, a plurality of side locking assemblies can be installed on the side face of the door leaf, and multipoint locking of the side face of the door leaf is achieved.

The utility model discloses utilize actuating mechanism to control door system side locking device locking and unblock at the displacement that rotatory locking and unblock stage produced, make the door system have the multiple spot restraint, the locking is effectual to side locking device locking and unblock action are gone on after the door leaf is closed and before opening a door, and the risk is interfered in no motion, and the locking is reliable.

The locking mechanism is simple in structure, small in occupied space and easy to maintain, the side locking devices can adopt universal joints, and one side of the door system can be connected with a plurality of locking devices in a crossing mode, so that different locking strength requirements are met. The locking mechanism is suitable for a flat door, a bent door, a single-door and a double-door, is suitable for a sliding door, and has good universality.

Drawings

FIG. 1 is a schematic side cross-sectional view of a first embodiment of a multi-point locking mechanism for a door system;

FIG. 2 is a schematic structural view of a driving mechanism of the first embodiment;

FIG. 3 is a schematic structural view of a transmission mechanism 1 according to a first embodiment;

FIG. 4 is a schematic structural view of a transmission mechanism of the first embodiment 2;

FIG. 5 is a schematic side locking assembly construction of the first embodiment;

figure 6 is a schematic structural view of a lock body of the first embodiment;

fig. 7 is a schematic structural view of an unlocking mechanism of the first embodiment;

FIG. 8 is a schematic structural view of a position maintaining mechanism of the drive fork of the first embodiment;

FIG. 9 is a schematic view showing the engagement of the driving mechanism, the transmission mechanism and the transmission fork position maintaining mechanism when the transmission fork is in contact with/separated from the first pivot in the door closing/opening state according to the first embodiment;

FIG. 10 is a schematic view showing the combination of the driving mechanism, the transmission mechanism and the transmission fork position maintaining mechanism after the door leaf is closed according to the first embodiment;

FIG. 11 is a schematic view of the first embodiment of the door leaf in a door leaf side locking cylinder engaged with the side locking assembly locking fork contact/disengagement pin in a critical state when the door leaf is closed/opened;

FIG. 12 is a schematic view of the first embodiment of the door leaf side locking cylinder engaging the side locking assembly locking fork when the door leaf is closed;

FIG. 13 is a schematic view of the first embodiment with the drive fork disengaged from the rear drive mechanism, the drive mechanism, and the drive fork position maintaining mechanism in the open position of the door leaf;

FIG. 14 is a schematic side cross-sectional view of a multipoint locking mechanism of a second embodiment of a door system;

FIG. 15 is a schematic structural view of a driving mechanism of the second embodiment;

FIG. 16 is a schematic view of the engagement of the drive mechanism, the gear train, and the gear fork position maintaining mechanism after the side latch assembly of the second embodiment has been latched;

FIG. 17 is a schematic view of the engagement of the drive mechanism, the gear train, and the gear fork position maintaining mechanism after the side latch assembly of the second embodiment is unlatched;

FIG. 18 is a schematic view of the side locking assembly and the unlocking mechanism of the second embodiment.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

A multi-point locking mechanism of a door system comprises a driving mechanism, wherein the driving mechanism is restrained by a guide rail to rotate for a certain angle at the final stage of closing a door leaf and the early stage of opening the door leaf, so that the driving mechanism can lock and unlock the local part of the door system; meanwhile, the rotary driving mechanism drives the transmission mechanism to generate displacement, and the transmission mechanism drives the side locking assembly to lock and unlock through the displacement, so that the side of the door system has multi-point constraint.

The first embodiment:

as shown in fig. 1-2, in the multi-point locking mechanism of a door system according to the first embodiment, the driving mechanism 1 includes a driving motor 101, the driving motor 101 is connected to one end of a lead screw 102 through a transmission belt, the lead screw 102 is sleeved with a lead screw nut 103, one end of the lead screw nut 103 is rotatably connected to one end of a transmission frame 104 through a first shaft pin 105, the other end of the transmission frame 104 is hinged to one end of a transmission plate 106, the other end of the transmission plate 106 is connected to a door carrying frame 107, and the door carrying frame 107 is connected to the door leaf 6. The driving plate 106 is provided with a roller 108, the roller 108 is movably connected with a guide rail 109, the guide rail 109 comprises a straight line section 1091, a curved section 1092 and a groove section 1093, the straight line section 1091, the curved section 1092 and the groove section 1093 are sequentially connected, when the roller 108 moves to the tail end of the groove section 1093, the door leaf 6 is closed in place, and the driving frame 104 rotates to retract; when the roller 108 starts to move from the end of the groove 1093, the door gradually opens through the curve 1092 and the straight line 1091, and the driving frame 104 rotates to open.

As shown in fig. 3-4, the transmission mechanism 2 includes a transmission shaft 201, a transmission fork 202 is fixed on the transmission shaft 201, the transmission fork 202 is engaged with one end of the first shaft pin 105, and when the first shaft pin 105 is retracted with the rotation of the feed screw nut 103, the transmission fork 202 rotates downward with the first shaft pin 105; when the first pivot pin 105 is opened by rotation of the spindle nut 103, the driving fork 202 rotates upward with the first pivot pin 105 until the driving fork 202 is disengaged from the first pivot pin 105. The transmission shaft 201 is connected with one end of a first rotating arm 203, the other end of the first rotating arm 203 is connected with one end of a first connecting rod 204, and the other end of the first connecting rod 204 is connected with one end of a second rotating arm 205. The transmission shaft 201 is further provided with a mounting block 206, the mounting block 206 is provided with a limiting post 207, and the transmission fork 202 is contacted with the limiting post 207 when rotating upwards.

As shown in fig. 5-6, the side locking assembly 3 includes a lock body 301, a rotatable locking fork 302 is disposed in the lock body 301, a torsion spring 303 is disposed in the locking fork 302, the locking fork 302 is initially in a reset state under the action of the torsion spring 303, and a second roller 304 is disposed at the rear end of the locking fork 302; the lock body 302 is further provided with a rotating shaft 305, the rotating shaft 305 is provided with an inner swing arm 306, the rotating shaft 305 drives the inner swing arm 306 to rotate, when the inner swing arm 306 rotates to a position, the front end of the inner swing arm 306 contacts with the second roller 304, one end of the rotating shaft 305 is connected with one end of a driving shaft 307 through a universal joint, and the other end of the driving shaft 307 is connected with the other end of the second swing arm 205.

As shown in fig. 7, the unlocking mechanism 4 includes an unlocking handle 401, the unlocking handle 401 is rotatably connected to the transmission mechanism for driving the transmission mechanism to move in the reverse direction, and the transmission mechanism is provided with an unlocking elastic component for resetting the transmission mechanism moving in the reverse direction. The unlocking handle 401 can be mounted on any one of the transmission mechanisms such as the transmission shaft, the first transmission arm and the first connecting rod, and only needs to drive one of the transmission mechanisms to move in the reverse direction, so that the driving shaft rotates to drive the side locking assembly to unlock. The unlocking elastic part 402 is sleeved on the transmission shaft 201 like a torsion spring, and is in a reset state after the unlocking handle is released under the action of the torsion spring.

As shown in fig. 8, the drive fork position holding mechanism 5 includes: the mounting panel 501, the last movable connection of mounting panel 501 has spacing connecting rod 502, has cup jointed elastomeric element 503 like on the spacing connecting rod 502: a pressure spring; the transmission shaft 201 is provided with a rotating block 504, the free end of the rotating block 504 is rotatably connected with one end of a limiting connecting rod 502, when the transmission fork 202 rotates upwards, the rotating block 504 is driven to rotate, the rotating block 504 drives the limiting connecting rod 502 to rotate, the transmission fork 202 cannot continue to rotate upwards due to the limiting column 207, meanwhile, the elastic part 503 is stretched to keep the rotating block 504 to continue to rotate upwards through the limiting connecting rod 502, and the transmission fork 202 is ensured to be stationary. When the transmission fork 202 rotates downwards, the rotation block 504 is driven to rotate, the rotation block 504 drives the limiting connecting rod 502 to rotate, the rotation point of the transmission fork 202 passes through the maximum rotation position where the transmission plate 106 is hinged with the transmission frame 104, and cannot rotate downwards continuously, and meanwhile, the elastic component 503 keeps the acting force of the rotation block 504 rotating downwards continuously through the limiting connecting rod 502, so that the transmission fork 202 is locked firmly.

Example 1:

when the door leaf is closed, the motor drives the screw rod nut on the screw rod to move towards the middle, the roller wheel moves into the curve section from the straight line section and is constrained by the curve section, the screw rod nut drives the transmission frame to move towards the middle and rotate downwards along the screw rod, as shown in fig. 9, until the first shaft pin is contacted with the transmission fork, the transmission fork is driven to rotate downwards together, the transmission fork drives the transmission shaft to rotate and drives the rotating block to rotate, and the rotating block drives the limiting connecting rod to rotate. As shown in fig. 10, when the roller enters the groove section, the lead screw nut completes rotation, the first shaft pin and the transmission fork stop rotating, the transmission plate is hinged with the transmission frame, the transmission frame is hinged with the lead screw nut through the first shaft pin, the position of the first shaft pin and the transmission fork is lower than the connecting line of the hinge point of the transmission plate and the transmission frame and the central point of the lead screw, namely the dead point is passed, moreover, the transmission fork is driven to the final position by the first shaft pin, and the first shaft pin and the transmission fork are locked under the dead point under the action of the transmission fork position maintaining mechanism, so that the outward pulling force and the upward movement force transmitted by the door leaf through the transmission frame can be effectively blocked, and the effect of locking the door leaf is achieved. In addition, the roller stops at the tail end of the groove section, and the left side and the right side of the roller are restrained by the groove section, so that the door leaf is locked along the direction of the screw rod.

As shown in fig. 11, when the door is closed, the lock cylinder 601 at the side of the door 6 contacts with the lock fork to drive the lock fork to rotate, and the second roller also rotates at the same time until the door is closed, as shown in fig. 12, the lock cylinder and the lock fork complete locking, and the second roller rotates to the position. The transmission shaft rotates along with the transmission fork and sequentially drives the first rotating arm, the first connecting rod and the second rotating arm to rotate, the second rotating arm drives the driving shaft to rotate, the driving shaft drives the rotating shaft to rotate through the universal joint, the rotating shaft drives the inner swing arm to rotate and to contact with the second roller, and therefore locking of the lock fork and the lock column is completed. In addition, a plurality of side locking assemblies can realize the series connection through universal joint, realize the locking of a plurality of lock fork points to the door leaf.

Example 2:

when the door leaf is opened, the motor drives the screw rod nut on the screw rod to move, the screw rod nut drives the transmission frame to rotate upwards due to the constraint of the groove section, the first shaft pin and the transmission fork are driven to rotate upwards, the first unlocking of the door leaf is achieved, the transmission plate can be kept still due to the fact that the transmission plate is hinged to the transmission frame, as shown in fig. 9, the first shaft pin and the transmission fork are prepared to be separated until the transmission fork stops at the limiting column, and the second unlocking of the door leaf is achieved. And in the upward rotating process of the transmission fork, the transmission shaft is driven to rotate, and the constraint of the inner swing arm on a second roller at the rear part of the lock fork is released through the first rotating arm and other components, so that the unlocking of the side locking assembly is completed. Meanwhile, the transmission fork keeps still under the action of the transmission fork position retaining mechanism.

As shown in fig. 13, after the first pin shaft is separated from the transmission fork, the lead screw nut continues to rotate upwards, the transmission frame rotates at the curve section, the door leaf is driven to be opened towards two sides through the transmission plate and the door carrying frame at the same time, the lead screw nut rotates until the roller completes the stroke of the curve section, and when the roller is in the straight section, the lead screw nut horizontally moves until the door leaf is completely opened.

As shown in fig. 11, when the door leaf is opened, the inner swing arm is disengaged from the second roller at the rear of the locking fork, the locking column 601 at the side of the door leaf 6 is ready to withdraw from the locking fork 302, and the locking fork is reset under the action of the torsion spring.

Example 3:

when the side door needs to be unlocked manually, the unlocking handle is rotated manually, the unlocking handle drives the transmission shaft to rotate and drives the first rotating arm, the first connecting rod and the second rotating arm to rotate in sequence, the second rotating arm drives the driving shaft to rotate, the driving shaft drives the rotating shaft to rotate, the rotating shaft drives the inner swing arm to rotate and is separated from the second roller, and the limit of the locking fork is released. Meanwhile, the transmission shaft drives the transmission fork to enable the transmission frame to rotate upwards to remove the dead point locking state, and the transmission fork synchronously rotating on the transmission shaft only causes the rotation of the screw rod nut and the transmission frame and does not move the transmission plate, so that the movement of the door leaf is not influenced. After the manual unlocking is finished, the door leaf can be manually opened outwards, and the unlocking handle is reset under the action of the torsion spring.

The second embodiment:

as shown in fig. 14-15, in the multipoint locking mechanism of a door system according to the second embodiment, the driving mechanism 1 includes a driving motor 101, the driving motor 101 is connected to one end of a lead screw 102, a lead screw nut 103 is sleeved on the lead screw 102, one end of the lead screw nut 103 is connected to a first axis pin 105, the front end of a driving frame 104 is rotatably connected to the lead screw nut 103, the rear end of the driving frame 104 is hinged to one end of a driving plate 106, the other end of the driving plate 106 is connected to a door carrying frame 107, and the door carrying frame 107 is connected to the door leaf 6. The other end of the screw nut 103 is provided with a roller 108, the roller 108 is movably connected with a guide rail 109, the guide rail 109 comprises a straight line section 1091 and a groove section 1093, the straight line section 1091 and the groove section 1093 are sequentially connected, when the roller 108 moves to the groove section 1093, one end of the roller 108 of the screw nut 103 rotates downwards until the roller 108 is clamped at the tail end of the groove section 1093; when the roller 108 starts to move from the end of the groove section 1093, one end of the roller 108 of the lead screw nut 103 rotates upwards, the lead screw nut 103 stops rotating after the top end of the groove section 1093, and the lead screw nut 103 moves horizontally through the straight line section 1091.

As shown in fig. 16-17, the transmission mechanism 2 includes a transmission shaft 201, a transmission fork 202 is fixed on the transmission shaft 201, the first pin 105 contacts with the transmission fork 202 before the lead screw nut 103 enters the groove section 1093, and the transmission fork 202 rotates upwards along with the first pin 105 when the first pin 105 moves from the top end to the end of the groove section 1093 along with the lead screw nut 103; when the first shaft pin 105 moves with the lead screw nut 103 from the end of the groove section 1093 to the top end, the transmission fork 202 rotates downward with the first shaft pin 105, the lead screw nut 103 exits the groove section 1093, and after entering the straight line section 1091, the first shaft pin 105 is separated from the transmission fork 202. The transmission shaft 201 is connected with the middle part of the first rotating arm 203, and one end of the first rotating arm 203 is connected with the first connecting rod 204 through a universal joint; the mounting plate at one end of the transmission shaft 201 is provided with a limit post 207, and the first rotating arm 203 contacts with the limit post 207 when rotating to one side.

As shown in fig. 18, the side locking assembly 3 includes a driving shaft 307, one end of the driving shaft 307 is connected to the first link 204 through a universal joint, a latch 308 is disposed on the driving shaft 307, and the first rotating arm 203 drives the latch 308 on the driving shaft 307 to move up and down in the vertical direction through the first link 204.

The unlocking mechanism 4 comprises an unlocking handle 401, the driving shaft 307 is provided with the unlocking handle 401, and the unlocking handle 401 drives the driving shaft 307 upper bolt 308 to vertically move up and down.

The drive fork position holding mechanism 5 includes: the mounting panel 501, the last movable connection of mounting panel 501 has spacing connecting rod 502, has cup jointed elastomeric element 503 like on the spacing connecting rod 502: a pressure spring; the limiting connecting rod 502 is rotatably connected with the other end of the first rotating arm 203. When the transmission fork 202 rotates upwards, the transmission shaft 201 drives the first rotating arm 203 to rotate, the first rotating arm 203 drives the limiting connecting rod 502 to rotate, the first rotating arm 203 limits the transmission fork 202 due to the limitation of the limiting column 207 and the restraint of the roller on the lead screw nut 103 in the groove section 1093, so that the first rotating arm 203 cannot rotate in the same direction continuously, meanwhile, the elastic component 503 keeps the acting force of the first rotating arm 203 rotating in the same direction continuously through the limiting connecting rod 502, the transmission fork 202 is ensured to be stationary, and meanwhile, the bolt 308 on the driving shaft 307 is also ensured to be stationary downwards. When the transmission fork 202 rotates downwards, the transmission shaft 201 drives the first rotating arm 203 to rotate, the first rotating arm 203 drives the limiting connecting rod 502 to rotate, the first rotating arm 203 cannot rotate in the same direction due to the limiting column 207, and meanwhile, the elastic component 503 keeps the acting force of the first rotating arm 203 rotating in the same direction through the limiting connecting rod 502, so that the transmission fork 202 is ensured to be stationary, and meanwhile, the bolt 308 on the driving shaft 307 is also ensured to be stationary upwards.

Example 4:

when the door leaf is closed, the motor drives the lead screw nut on the lead screw to move towards the tail end of the guide rail, the roller moves into the groove section from the straight line section, the lead screw nut drives the transmission frame, the transmission plate, the door carrying frame and the door leaf to move, and the door leaf is closed under the constraint of the door moving guide rail. As shown in FIG. 16, when the roller comes to the top of the groove section, the first axle pin contacts the driving fork; the gyro wheel begins the downwardly rotating under the restriction of recess section, drives the transmission fork and upwards rotates, and the transmission fork drives the transmission shaft and rotates, and the transmission shaft drives first rocking arm and rotates, and until the gyro wheel rotates terminal under the recess section, the gyro wheel left and right sides receives the restriction of recess section, has played the effect to the ascending locking of door leaf along the lead screw direction.

In addition, the first rotating arm drives the first connecting rod to move downwards in the vertical direction, the first connecting rod drives the bolt on the driving shaft to move downwards, and as the door leaf is closed at the moment, the lock catch 603 arranged on the side surface of the door leaf 6 is matched with the bolt guide plate 602 arranged on the vehicle body in place, and the bolt is inserted into the lock hole in the lock catch through the bolt guide plate, so that the locking effect on the side surface of the door leaf is realized. In order to better realize locking intensity and precision to the door leaf side, establish ties on the first connecting rod and have a plurality of bolts, still install the connecting rod deflector on the automobile body for first connecting rod reciprocates more stably, has realized the multiple spot locking effect to the door leaf side. Meanwhile, the other end of the first rotating arm drives the limiting connecting rod to rotate, the limiting of the idler wheel on the groove section of the lead screw nut limits the transmission fork, the first rotating arm cannot continue to rotate in the same direction, meanwhile, the elastic component keeps the acting force of the first rotating arm continuing to rotate in the same direction through the limiting connecting rod, the transmission fork is ensured to be static, and meanwhile, the bolt on the driving shaft is also ensured to be fixed downwards.

Example 5:

when the door leaf is opened, the motor drives the screw rod nut on the screw rod to move, and due to the fact that the motor is restrained by the groove section, as shown in fig. 17, the roller on the screw rod nut rotates upwards to drive the first shaft pin and the transmission fork to rotate downwards, and due to the fact that the roller comes to the top from the bottom of the groove section, the first unlocking of the door leaf is achieved. Meanwhile, when the transmission fork rotates downwards, the transmission fork drives the transmission shaft to rotate, the transmission shaft drives the first rotating arm to rotate, the first rotating arm drives the first connecting rod to move upwards in the vertical direction, the first connecting rod drives the bolt to move upwards, the bolt is separated from the door leaf side lock catch and the bolt guide plate, and unlocking of the side face of the door leaf is achieved. The screw rod nut is restrained to move horizontally along the straight line section under the action of the motor, is separated from the transmission fork and drives the door leaf to be opened under the restraint of the door moving guide rail.

In addition, the other end of the first rotating arm drives the limiting connecting rod to rotate, the first rotating arm cannot continue to rotate in the same direction due to the limiting column, meanwhile, the elastic component keeps the first rotating arm to continue to rotate in the same direction through the limiting connecting rod, the transmission fork is guaranteed to be static, and meanwhile, the bolt on the driving shaft is also guaranteed to be upward fixed.

Example 6:

when the side door needs to be unlocked manually, the unlocking handle is lifted manually, the unlocking handle drives the transmission shaft to move upwards, the first connecting rod drives the bolt to move upwards, the bolt is separated from the side lock catch and the bolt guide plate of the door leaf, the unlocking of the side face of the door leaf is realized, and due to the rotation of the first rotating arm, only the rotation of the screw rod nut can be brought, the horizontal movement of the screw rod nut cannot be brought, and the movement of the door leaf cannot be influenced. After the manual unlocking is finished, the door leaf can be manually opened outwards.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (15)

1. A multi-point locking mechanism for a door system, comprising: comprises a driving mechanism, a transmission mechanism, a guide mechanism and a side locking component; the driving mechanism and the guide mechanism are positioned above the door system, the driving mechanism is movably connected with the guide mechanism, and the driving mechanism is restrained by the guide mechanism to rotate for a certain angle at the final stage of closing the door leaf and the early stage of opening the door leaf, so that the driving mechanism can lock and unlock the local part of the door system; the door system has a side locking assembly on at least one side; the driving mechanism drives the transmission mechanism to move in the process of rotating, locking and unlocking, and controls the side locking assembly to be locked and unlocked through the transmission mechanism.

2. A door system multipoint locking mechanism as claimed in claim 1 wherein: the driving mechanism comprises a driving motor, the driving motor drives a screw rod to rotate, a screw rod nut is sleeved on the screw rod, one end of the screw rod nut is connected with one end of a transmission frame in a rotating mode through a first shaft pin, the other end of the transmission frame is hinged to one end of a transmission plate, rollers are arranged on the transmission plate and movably connected with a guide rail, the guide rail comprises a straight line section, a curve section and a groove section, and the straight line section, the curve section and the groove section are connected in sequence.

3. A door system multipoint locking mechanism as claimed in claim 1 wherein: the transmission mechanism comprises a transmission shaft, a first rotating arm and a transmission fork, the first rotating arm and the transmission fork are fixed on the transmission shaft and can rotate along with the transmission shaft, one end of the first rotating arm is connected with one end of a first connecting rod, and the other end of the first connecting rod is connected with one end of a second rotating arm; the other end of the second rotating arm is connected with a driving shaft of the side locking assembly.

4. A door system multipoint locking mechanism as claimed in claim 3 wherein: the transmission mechanism further comprises a limiting column, the limiting column is installed on the transmission shaft installation block, and the transmission fork is in contact with the limiting column when in reset.

5. A door system multipoint locking mechanism as claimed in claim 1 wherein: the side locking assembly comprises a lock body, a rotatable lock fork is arranged in the lock body, a torsion spring is arranged in the lock fork, the lock fork is initially in a reset state under the action of the torsion spring, and a second roller is arranged at the rear end of the lock fork; still be provided with the axis of rotation in the lock, install interior swing arm in the axis of rotation, the axis of rotation drives interior swing arm rotation, and after interior swing arm rotated to target in place, interior swing arm front end and second gyro wheel contact, axis of rotation one end is connected with drive shaft one end through universal joint.

6. A door system multipoint locking mechanism as claimed in claim 2 or 3 wherein: the side locking assemblies are arranged in a plurality, the tail end of a rotating shaft of each side locking assembly is connected with a driving shaft of the next side locking assembly through a universal joint, and the driving shaft of the first side locking assembly is connected with the second rotating arm.

7. A door system multipoint locking mechanism as claimed in claim 2 or 3 wherein: the unlocking mechanism comprises an unlocking handle, the unlocking handle is rotationally connected with the transmission mechanism and used for driving the transmission mechanism to move reversely, and an unlocking elastic component is arranged on the transmission mechanism and used for resetting the unlocking handle.

8. A door system multipoint locking mechanism as claimed in claim 3 wherein: still include driving fork position holding mechanism, driving fork position holding mechanism includes: the mounting plate is movably connected with a limiting connecting rod, and an elastic component is sleeved on the limiting connecting rod; the transmission shaft is provided with a rotating block, the free end of the rotating block is rotatably connected with one end of the limiting connecting rod, and the elastic component is used for keeping the acting force of the rotating block in the rotating direction.

9. A door system multipoint locking mechanism as claimed in claim 1 wherein: the driving mechanism comprises a driving motor, the driving motor drives a screw rod to rotate, a screw rod nut is sleeved on the screw rod, one end of the screw rod nut is connected with a first shaft pin, a roller is arranged at the other end of the screw rod nut, the roller is movably connected with a guide rail, the guide rail comprises a straight line section and a groove section, and the straight line section and the groove section are sequentially connected; the first shaft pin drives the transmission mechanism to generate displacement.

10. A door system multipoint locking mechanism as claimed in claim 9 wherein: the transmission mechanism comprises a transmission shaft, a transmission fork is fixed on the transmission shaft and matched with the first shaft pin, the transmission shaft is connected with the middle of the first rotating arm, and one end of the first rotating arm is connected with the first connecting rod through a universal joint.

11. A door system multipoint locking mechanism as claimed in claim 10 wherein: the shaft mounting plate at one end of the transmission shaft is provided with a limiting column, and the first rotating arm is in contact with the limiting column in an unlocking state.

12. A door system multipoint locking mechanism as claimed in claim 9 wherein: the side locking assembly comprises a driving shaft, one end of the driving shaft is connected with the first connecting rod through a universal joint, and a bolt is arranged on the driving shaft.

13. A door system multipoint locking mechanism as claimed in claim 12 wherein: the driving shaft is provided with a plurality of bolts.

14. A door system multipoint locking mechanism as claimed in claim 12 wherein: still include release mechanism, release mechanism includes the unblock handle, be provided with the unblock handle in the drive shaft, the unblock handle drives the vertical direction of bolt and reciprocates in the drive shaft.

15. A door system multipoint locking mechanism as claimed in claim 10 wherein: still include driving fork position holding mechanism, driving fork position holding mechanism includes: the mounting panel, the swing joint has spacing connecting rod on the mounting panel, cup jointed the elastomeric element on the spacing connecting rod, spacing connecting rod rotates with the first commentaries on classics arm other end and is connected.

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