KR20090069190A - Opening and closing apparatus with lock - Google Patents

Abstract

An object of the present invention is to provide an opening and closing apparatus with lock with a simple and compact arrangement that enables secure locking of slide-apart type sliding doors and enables opening and closing and closed locking of the sliding doors to be performed with a single actuator. An opening and closing apparatus with lock includes: a rack and pinion mechanism, for opening and closing a pair of slide-apart type sliding doors; an actuator, functioning as an opening/closing drive source; a locking mechanism enabling to lock the sliding doors in a fully closed position by constraining movements of locking members, fixed to the respective sliding doors; a switching mechanism for the locking mechanism; and a planetary gear mechanism, into which a driving force of the actuator is input and which is enabled to output the driving force to the pinion and to the switching mechanism. When the sliding doors are in the fully closed position, the driving force is output to the switching mechanism.

Description

OPENING AND CLOSING APPARATUS WITH LOCK}

The present invention relates to an opening / closing device having a lock for reciprocatingly mounted a sliding-apart type sliding door on a housing to enable opening and closing and locking in a fully closed position.

Patent Document 1 (Japanese Unexamined Patent Publication No. 2000-142392), a conventional example of an opening and closing device having a lock for reciprocatingly mounting a sliding door mounted on a housing and enabling locking of the sliding door in a fully closed position. (S) there is a sliding door opening and closing device described as the second embodiment. In the structure of patent document 1, it is arrange | positioned as a sliding opening / closing door by combining two sliding doors through a rack and pinion mechanism, and the rail moving member which hangs a sliding door, and the linear motor for opening / closing drive of this sliding door. The armature is connected via a shock absorbing member comprising a shock absorbing spring. The sliding door is moved in the closing direction by driving the armature of the linear motor, and even when the sliding door reaches the fully closed state, the armature is further driven to tension the spring of the shock absorbing member. Thereafter, the metal compression member disposed at the tip of the armature moves the sliding cam device so as to slide against the return spring, and the cam follower, which descends with it, also latches the latch lock descend. Latch lock engages the holes formed in the rack and pinion mechanism, thereby realizing the locking of the sliding door in the fully closed position.

In such a configuration, the driving force of the linear motor is usually distributed to drive the opening and closing of the sliding door through the buffer spring of the buffer member, while the driving force of the linear motor is distributed to the sliding cam device when the sliding door reaches the fully closed position. Locking by latch lock is performed. Therefore, the driving force of a single linear motor (actuator) is used for both the opening and closing driving and the locking operation, providing an advantage of simplifying the configuration.

In the structure of patent document 1, a rack is arrange | positioned above and below a pinion gear, a pair of left and right sliding doors are respectively couple | bonded with a rack, and open and close a sliding sliding door, and the other sliding door is restrained through a pinion gear. Thus, there is a problem that when the pinion gear or rack is broken, the evil of the other door is released. Although the pinion gear and the rack can be strengthened, problems such as an increase in the installation space and an increase in cost arise.

In the structure of patent document 1, the shock absorbing member which is a mechanism which switches and distributes the driving force of a linear motor to the opening-closing drive of a sliding door, and the compression movement of a sliding cam apparatus is arrange | positioned so that it may slide with a sliding door. Therefore, the whole structure becomes complicated, it is necessary to secure the space for the movement stroke of the shock absorbing member, and the simple compact structure of the sliding door opening and closing lock device cannot be realized.

In addition, since the sliding cam device is urgently moved to pull the buffer spring of the shock absorbing member from the fully closed position of the sliding door, the load is applied to the door by wind pressure or the like (resistance to closing of the sliding door, for example, immediately before reaching the fully closed position). ) Is applied, the shock absorbing spring is elongated before the sliding door reaches its fully closed state. As a result, the metal compression member at the tip of the armature pushes the sliding cam device too early to lower the latch lock without aligning the latch of the lock with the hole in the rack, thereby destroying the latch lock or Alternatively, the sliding door may be restrained before reaching the fully closed position (in the open state).

Also, in the closed lock state of the sliding door, when the driving force is lost due to a failure of the linear motor, a power shortage due to a power failure, or other environment, the armature and the metal compression member are decompressed in the sliding cam device. As the pulled and sliding cam device is also returned by the return spring, the latch lock rises with the cam follower and the lock is released. This means that in the event of a failure or lack of power, the closed lock is accidentally released. If a sliding door is used as the slide door of a railroad vehicle, this means that the door is opened before the vehicle stops, which is also undesirable in terms of safety.

When the buffer spring is strengthened to prevent the latch lock from descending too quickly even when a slight load is applied to the sliding door, when the driving force of the linear motor is lost due to a power failure or the like, it acts in the direction of releasing the lock. Since the force also becomes stronger, the probability of unintended unlocking also increases. That is, the two problems mentioned above are in contradiction relationship, and the structure which can simultaneously solve both problems to a satisfying level is not proposed yet.

SUMMARY OF THE INVENTION The present invention has been made in view of such a situation, and an object thereof is to provide a simple and compact configuration which enables a safe locking of a sliding sliding door and at the same time enables opening and closing of the sliding door by a single actuator. It is to provide a switchgear having.

The present invention relates to an opening and closing device with a lock, which is capable of performing opening and closing movement of a sliding sliding door reciprocally mounted on a housing and locking in a fully closed position. In order to achieve the above object, the opening and closing device with lock according to the present invention has the following features. That is, the opening and closing device with lock according to the present invention has the following features in a single form or in a suitable combination form.

In order to achieve the above object, a first feature of the opening and closing device with a lock according to the present invention is a pair of racks, each mounted in a pair of sliding sliding doors, in which the opening and closing device with a lock is reciprocated with respect to the housing, A rack and pinion mechanism having pinions for engaging the pair of racks; An actuator acting as an opening / closing drive source of the sliding door; A locking mechanism mounted to the housing and capable of locking the pair of sliding doors to the fully closed position by inhibiting respective movements of the locking members respectively fixed to the respective sliding doors of the pair of sliding doors; A switching mechanism for switching the locking mechanism between the locked state and the released state; A satellite gear mechanism having an input portion to which the driving force of the actuator is input, a first output portion capable of outputting the driving force to the pinion, and a second output portion capable of outputting the driving force to the switching mechanism; When the sliding door is in the fully closed position, the driving force is output from the second output portion to the switching mechanism.

According to this structure, since the movement of the locking member respectively fixed to each sliding door of a pair of sliding doors is suppressed by the locking mechanism, respectively, each of a pair of sliding doors can be locked independently. Therefore, even when the rack and pinion mechanism are fixed, it is possible to maintain the state in which the movements of both sliding doors are locked. On the contrary, when the rack and pinion mechanism function normally, even if the lock of one of the sliding doors is released by failure or the like, since the one sliding door is connected to the other sliding door via the rack and the pinion mechanism, the other sliding door If the lock is effective, one sliding door can be kept locked. Thus, the sliding sliding door can be locked more securely.

In this configuration, the power of the actuator is distributed via the satellite gear mechanism, driving the pinion of the rack and pinion mechanism on the one hand and driving the switching mechanism on the other hand. Therefore, since the configuration for power transmission (distribution) from the actuator is accommodated in a small space, the configuration can be simplified and a small opening and closing device having a lock can be provided.

In addition, since the driving force from the actuator is distributed using the satellite gear mechanism instead of the shock absorbing spring as in Patent Document 1, the direction in which the lock is released in the state where the sliding door is locked in the closed position even if the driving force is lost due to an actuator failure or the like. Is not applied to the switching mechanism or the like, and unintentional unlocking is prevented.

A second feature of the opening and closing device with lock according to the present invention is that the switching mechanism includes a switching member capable of switching the locking member between the locked state and the unlocked state by moving in accordance with the drive of the second output unit. Is such that movement of the switching mechanism is prevented when the sliding door is in a position other than the fully closed position, and movement of the switching mechanism is allowed when the sliding door is in the fully closed position.

According to this configuration, since the movement of the switching member is prevented when the sliding door is in a position other than the fully closed position, the locking operation is performed when the sliding door reliably reaches the fully closed position. That is, the locking operation is prevented from being performed too early in the driving of the sliding door in the closing direction, thereby preventing the breaking of the locking mechanism and restraining of the sliding door before reaching the fully closed position.

A third feature of the opening and closing apparatus with lock according to the present invention is a locking mechanism comprising: a link mechanism capable of deforming between a straight state and a bent state in accordance with the movement of the switching member; When the sliding door is in a position other than the fully closed position, it is provided with a link holding mechanism for holding the link mechanism in a bent state, and when the sliding door is in the fully closed position, the link mechanism is deformed in a straight state to be fixed to the sliding door. It is to suppress the movement of the locking member.

According to this configuration, by bringing the link mechanism into a straight state, the sliding door can be locked in the fully closed position, and the link mechanism is held in a bent state by the link holding mechanism in a position other than the fully closed position, thereby sliding. The locking operation is performed after the door reaches the fully closed position. Therefore, since the driving mechanism is driven using the link mechanism, the locking mechanism can be formed compactly, and the locking mechanism can be driven mechanically, thereby achieving stable driving.

A fourth feature of the opening and closing apparatus with lock according to the present invention is that the locking pin is fixed to the sliding door so that each locking member extends in the vertical direction, and the locking holding mechanism is rotatable near both ends of the link mechanism. A pair of engagement members provided, the engagement member having a first engagement portion that engages the locking pin in the fully closed position and a second engagement portion that engages the end of the link mechanism in a straight state in the fully closed position, The engaging member prevents the movement of the switching member by preventing the link mechanism from shifting to a straight state when the sliding door is in a position other than the fully closed position, and is pressed by the locking pin to move in the closing direction of the sliding door. Rotation of the switching member to a position that allows engagement of the second engagement portion and the end of the link member .

According to this configuration, in the fully closed state, the engagement member is engaged with the locking pin. Thereafter, by the extension of the link mechanism to the straight state, the engagement member is engaged with the end of the link mechanism, and rotational movement is constrained. As a result, the locking pin is constrained in the engaged state with the engaging member. Therefore, the engagement member can prevent the transition of the link mechanism to the straight state at positions other than the fully closed position, and can suppress the movement of the locking pin at the fully closed position. Therefore, the number of parts required for forming the locking mechanism can be reduced, and a smaller locking mechanism can be arranged.

A fifth feature of the opening and closing apparatus with lock according to the present invention is that the switching member is constituted by a locking slider capable of sliding in one direction with respect to the locking mechanism and having a curved slit portion at the bottom thereof, and the link mechanism of the locking slider. It operates in a plane parallel to the bottom surface, has a connecting pin disposed at one connection point and inserted into the slit portion, and the link mechanism is deformed into a straight state and a bent state by the connecting pin moving along the slit portion.

According to this configuration, the link mechanism can be deformed into a straight state and a bent state by moving in one direction of the locking slider without interposing another member between the locking slide and the link mechanism. Therefore, the installation space of a locking mechanism can be made small.

A sixth feature of the opening and closing device with lock according to the present invention is that the link mechanism is deformable in a straight state and a bent state in a horizontal plane.

According to this configuration, when the sliding door reaches the fully closed position, the sliding door can be locked by driving the switching mechanism and deforming the link mechanism to a straight state in the horizontal plane. Therefore, since the locking mechanism keeps the sliding door in the locked state by using the link mechanism operating in the horizontal plane, the installation space of the locking mechanism can be reduced in the height direction.

A seventh feature of the opening and closing apparatus with lock according to the present invention is that the link mechanism has a link portion rotatably fixed to the housing, and movement of one end of the link mechanism is regulated by a straight guide groove provided in the housing.

According to this configuration, by rotatably fixing the link portion that is part of the link mechanism to the housing, the position of the link mechanism with respect to the housing can be fixed without disturbing the operation of the link mechanism. The movement of the end of the link mechanism is regulated in a straight line by the guide groove of the housing, so that the link mechanism that can be deformed into a straight state and a curved state can be formed with a simple configuration.

An eighth feature of the opening / closing device with lock according to the present invention is that the locking member is composed of locking pins fixed to the sliding doors so that each lock member extends in the vertical direction, and the locking mechanism is in a horizontal plane near one end of the link mechanism. And a rotatably provided engagement member, the engagement member comprising a first engagement portion that engages the locking pin in the fully closed position and a second engagement portion that engages the end of the link mechanism in a straight state in the fully closed position. Equipped.

According to this configuration, the locking pin extending in the vertical direction from the sliding door enables the locking mechanism operating in the horizontal plane to be easily engaged with the locking pin. In the fully closed position, since the movement of the locking pin can be regulated by regulating the rotation of the engagement member by the end of the link mechanism in a straight state, the rotation of the engagement member is regulated in the direction in which the link mechanism extends in a straight state. Can be set in any direction possible. Thus, for example, it can be easily designed to prevent the force that deforms the link mechanism from the straight state to the bent state in the locked state from acting from the engaging member, and the locked state can be more surely maintained.

A ninth feature of the lockable opening and closing device according to the present invention is that the switching mechanism has a switching member movable in a horizontal plane in accordance with the driving of the second output, and the link mechanism is disposed at a connection point of the link mechanism in accordance with the movement of the switching member. It can be transformed into a straight state and a bent state by the movement of the connecting pin.

According to this structure, since a switching member is movable in a horizontal plane, the installation space of a height direction can be made small. Moreover, since the switching member can switch the state of a link mechanism using the connection pin which comprises a link mechanism, the simple structure with few components is realizable.

A tenth feature of the opening and closing apparatus with lock according to the present invention is a locking slider having a slit portion having a curved shape on the bottom surface, which allows the switching member to slide in one direction in the horizontal plane according to the driving of the second output unit, The connecting pin arranged at one connection point of the link mechanism is inserted into the slit portion, and the link mechanism is arranged in a straight line by the connecting pin disposed at the connection point of the link mechanism and moved in accordance with the movement of the slit portion in accordance with the movement of the locking slider. It can be transformed into a curved state.

According to this configuration, the movement of the link mechanism can be restricted by using the slit portion on the bottom surface of the locking slider which can slide in the horizontal plane. Since the slit portion has a curved shape, a configuration for guiding the connecting pin in a direction different from the moving direction of the locking slider can be easily realized.

An eleventh aspect of the opening and closing apparatus with lock according to the present invention is that the opening and closing apparatus with lock includes: an elastic member; A collision detecting unit disposed in the housing and stopping the driving of the actuator when the deformation amount of the elastic member reaches a predetermined deformation amount during the closing operation of the sliding door, and the second output unit outputs the driving force of the actuator to the elastic member. It is possible to do that.

According to this configuration, during the closing operation of the sliding door (while moving from the fully open position to the fully closed position of the sliding door), when the running resistance of the sliding door is smaller than the predetermined running resistance, the rotation of the second output portion is made of an elastic member. Since it is suppressed by the elastic force of, the driving force of the actuator is transmitted from the first output unit to the pinion and the closing operation of the sliding door is performed. In the sliding door closing operation, when the passenger is caught or the sliding door collides with the passenger, a force greater than the normal traveling resistance is applied to the sliding door, and when the predetermined traveling resistance is exceeded, the second output unit is opposed to the elastic force of the elastic member. And the elastic member is elastically deformed. When this amount of elastic deformation reaches a predetermined amount, the driving of the actuator is stopped by the collision detection unit. Since the collision detection unit is disposed in the housing similarly to the actuator, the door door jamming or collision can be detected during the sliding door closing operation without complicated wiring. According to this structure, collision detection is possible irrespective of whether a sliding door is accelerated or decelerated, and collision detection can be performed in the whole range of the whole movement range of a sliding door.

A twelfth feature of the opening and closing apparatus with lock according to the present invention is that the elastic member is disposed between the second output portion and the switching member.

According to this structure, the output of a 2nd output part can be used to drive a switching member, to switch a locking mechanism, and to apply a force to an elastic member. Thus, for example, when the elastic member is installed at another position, the driving force from the second output portion at the time of switching of the locking mechanism is distributed between the switching member and the elastic member provided at another position, while the elastic member is output to the second output. When provided between the portion and the switching member, the force applied to the elastic member also acts on the switching member, thereby making it possible to efficiently perform the collision detection and locking operation.

A thirteenth feature of the opening / closing device having a lock according to the present invention is that the collision detection unit is constituted by a limit switch that stops driving of the actuator when the rotation angle of the second output unit is greater than the predetermined rotation angle.

According to this structure, a limit switch detects the rotation angle of the 2nd output part which rotates corresponding to a deformation | transformation of an elastic member, and stops driving of an actuator. Therefore, the collision detection unit can be arranged in a simple configuration.

A fourteenth feature of the opening and closing apparatus with lock according to the present invention is that the elastic member is disposed so as to balance the running resistance when the sliding door is in the normal closing operation.

According to this structure, "performing normal closing operation | movement" means the state in which the operation | movement of a sliding door does not act from the outside, and the elastic force which balances a running resistance during this normal closing operation | movement is made by the elastic member 2nd. Since it acts on an output part, the elastic force acting by an elastic member becomes small. Therefore, the elastic member can be easily installed in a deformable state. Thereby, since the elastic member can be easily deformed by increasing the running resistance of the sliding door, high sensitivity can be detected. Also in this case, in the collision process, the impact applied to the collision object from the sliding door can be significantly alleviated.

1 is a front view of a vehicle opening and closing door in which an opening and closing device having a lock according to an embodiment of the present invention is installed.

It is a front view of the principal part of the switching device which has a lock in an unlocked state.

3 is a schematic view of the locking mechanism as seen from the direction indicated by the arrow X in FIG. 2.

4 is a front view of an essential part of the opening and closing device with the lock in the locked state.

FIG. 5 is a schematic view of the locking mechanism as seen from the direction indicated by the arrow X in FIG. 4.

6 is a schematic view of the locking mechanism as seen from the direction indicated by the arrow Y in FIG. 4.

7 is a schematic partial cross-sectional view of the locking mechanism and locking slider seen in the horizontal direction.

8 is a schematic diagram of a state of a carrier during a normal closing operation.

9 is a schematic diagram of the state of the carrier when the running resistance of the sliding door during the closing operation increases.

10 is a diagram of a locking mechanism and locking slider in a released state according to a modification of the present embodiment.

11 is a diagram of the locking mechanism and the locking slider in the locked state according to the modification of the present embodiment.

Best Mode for Carrying Out the Invention The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. 1 is a front view of an embodiment in which an open / close device having a lock is installed in an open / close door of a vehicle. 2 is a front view of an essential part of the configuration of the opening and closing device having the lock in a released state. FIG. 3 is a schematic diagram of the configuration of the locking mechanism shown in FIG. 2, shown below (from the direction indicated by the arrow X in FIG. 2) of the locking mechanism. It is a front view of the principal part of the structure of the switching device which has the lock of a locked state. FIG. 5 is a schematic view of the locking mechanism shown in FIG. 4, shown from below the locking mechanism (from the direction indicated by arrow X in FIG. 4). Fig. 6 is a schematic partial cross-sectional view of the locking mechanism and the locking slider as seen in the moving direction of the locking slider (from the direction indicated by the arrow Y in Fig. 4). In Fig. 6, the satellite gear mechanism is located on the C1 side, and the sliding door is located on the C2 side.

As shown in FIG. 1, the vehicle opening / closing door 1 is arranged as a door capable of opening and closing an opening formed in a sidewall of a railroad car or another vehicle, and the pair of sliding left and right sliding doors 11A and 11B are provided. Equipped. These two sliding doors 11A and 11B are arranged to reciprocate along the guide rail 2 provided horizontally above the opening. More specifically, the hangers 3A and 3B are fixed to the upper edges of the sliding doors 11A and 11B, respectively, and the door rollers 4 are rotatably supported by the hangers 3A and 3B in the axial direction. do. Each door roller 4 is capable of rolling along the guide rail 2.

The vehicle opening and closing door 1 is opened and closed by an opening and closing device having a lock according to an embodiment of the present invention, and is arranged to automatically lock so as not to be inadvertently opened in a closed state. It is dangerous to open the doors of railroad cars or other vehicles when the vehicle is running, and it is necessary to securely lock such doors so as not to inadvertently open them while driving.

It will be described in detail below. The plate-shaped base 5 is fixed to the upper portion (upper side of the opening) of the side wall (housing) of the vehicle, and two racks 7A and 7B are supported by the rack support 6 fixed to the base 5. The racks 7A and 7B are arranged so that their longitudinal directions are aligned horizontally (parallel to the guide rail 2), and are supported by the slide support 8 so as to be slidable in the longitudinal direction (horizontal direction).

The two racks 7A and 7B are arranged in parallel with each other in a state where appropriate intervals are formed in the vertical direction, and their teeth are disposed so as to face each other. The pinion 9 is rotatably arranged to engage simultaneously with both teeth of the two racks 7A and 7B. The pinion 9 is disposed at a position which is a center position in the left and right direction on the opening of the opening / closing door 1 and a position that is pinched from the top and bottom by the two racks 7A and 7B.

Arm members 13A and 13B are respectively provided at one end of two racks 7A and 7B. The arm members 13A and 13B are respectively fixed to the hangers 3A and 3B through the connecting members 15a and 15b. The ends of the racks 7A and 7B are connected to the corresponding slider doors 11A and 11B, respectively, via arm members 13A and 13B. The rack and pinion mechanism 10 is constituted by the racks 7A and 7B and the pinion 9, and two sliding doors 11A and 11B are opened and closed by the rack and the pinion mechanism 10. By connecting the left and right sliding doors 11A and 11B to each other, the rack and pinion mechanism 10 also perform a function of realizing symmetrical opening and closing of the sliding doors 11A and 11B.

As shown in Figs. 2 and 4, the locking pins 14A and 14B (locking members) extending vertically upward are fixed to the pair of arm members 13A and 13B, respectively. By the locking pins 14A and 14B being restrained by the locking member 60 described later, the movement of the pair of sliding doors 11A and 11B is locked.

The satellite gear mechanism 20 is supported on the base 5 (see FIGS. 2 and 4). The satellite gear mechanism 20 is rotatably supported by the sun gear 21 (input part) and the outer periphery of the sun gear 21 rotatably, and can rotate and revolve while being engaged with the sun gear 21. A rotatable support for the satellite gear 24, an internal gear 22 (first output) having an internal tooth engaged with the satellite gear 24 on the outside of the satellite gear 24, and a satellite gear 24. The carrier 23 (second output part) is provided. The three components of the sun gear 21, the inner gear 22 and the carrier 23 are arranged along the same axis and are rotatably arranged with respect to each other. The axes of these three components also coincide with the axes of the pinion of the rack and pinion mechanism 10.

The sun gear 21 is connected to the output shaft of the direct drive type electric motor (actuator) which can be rotated forward and backward and not shown. The connection may be achieved via a suitable deceleration mechanism. The main unit portion of the electric motor is fixed to the side wall of the vehicle. The internal gear 22 is connected to the rack and pinion 9 of the pinion mechanism 10 through a bolt or the like not shown. Further, the carrier 23 is connected to a traction member 70 that pulls the locking slider 33 (switching member) for switching the locking mechanism 60 described later between the locked state and the released state.

The traction member 70 and the locking slider 33 are installed to be reciprocally movable in one direction along the guide shaft 72 fixed to the base 5 and extending parallel to the racks 7A and 7B. Configure a switching mechanism for switching of the mechanism. The traction member 70 is connected to the carrier 23 so as to be movable in one direction according to the rotation of the carrier 23. A torque limit spring 71 (elastic member) of the coil spring is disposed between the traction member 70 and the locking slider 33. The torque limit spring 71 exerts an elastic force on the traction member 70 and the locking slider 33 to press the traction member 70 against the locking slider 33. That is, the torque limit spring 71 is arranged to suppress the relative movement of the traction member 70 with respect to the locking slider 33.

The locking slider 33 has, at its upper end, a mounting portion 33a and a mounting portion 33b which are spaced apart at predetermined intervals in the moving direction and slidable relative to the guide shaft 72. Moreover, the locking slider 33 is a front part 33c which is connected downward from the mounting part 33a and the mounting part 33b, and from the lower end of this front part 33c to the inward direction from the paper surface of FIG. It has the bottom part 33d formed so that it may bend by 90 degrees (refer FIG. 3, 5, 6). The traction member 70 is mounted to the guide shaft 72 between the mounting portion 33a and the mounting portion 33b, and the torque limit spring 71 is positioned in the locking direction of the locking slider 33 (arrows in FIGS. 3 and 5). The direction indicated by A1) is hereinafter attached to the guide shaft 72 between the mounting portion 33b on the front end side of the locking direction A1 and the traction member 70. Since the torque limit spring 71 is mounted in the axially compressed state (elastic deformation state), the traction member 70 receives a pressing force toward the mounting portion 33a, and the end of the traction member 70 is mounted on the mounting portion 33a. Is kept in contact with

3 and 5, the locking slider 33 has a curved slit 33e (slit portion) at its bottom face portion 33d. The slit 33e is formed so as to be smoothly curved in a direction continuous to the first hole portion α and substantially perpendicular to the movement direction, extending in the direction parallel to the moving direction. The second hole β is provided.

Hereinafter, the locking mechanism 60 of the opening / closing door 1 will be described in detail. 7 is a schematic partial cross-sectional view of the locking mechanism 60 in the locked state when viewed in the horizontal direction. In Fig. 7, the satellite gear mechanism is located on the C1 side, and the sliding door is located on the C2 side. The locking mechanism 60 is a mechanism which operates in a horizontal plane, is adjacent to the upper side (the satellite gear mechanism 20 side) of the bottom surface portion 33d of the locking slider 33, and is installed such that the position is fixed to the base 5. (See FIGS. 2 and 4).

As shown in Figs. 3 and 5, the locking mechanism 60 is composed of a link mechanism 61 which can be deformed in a straight state and a bent state in a horizontal plane, and a link holding mechanism 65 that operates in the horizontal plane. . The link mechanism 61 is formed by connecting three links 62a, 62b, 62c. The central link 62a is rotatably fixed relative to the base 5 by the connecting pin 63a at the central portion in the longitudinal direction. One end of the central link is connected to one end of the link 62b by a connecting pin 63b. The other end of the center link 62a is connected to one end of the link 62c by the guide connecting pin 63c. The link 62b and the link 62c have pins 63d and 63e at the end opposite to the connection point with respect to the link 62a.

3, 5 and 7, the pins 63d and 63e located at the end of the link mechanism 61 are guide grooves 80A and 80B which are formed in a straight line in parallel with the moving direction of the locking slider 33. As shown in FIGS. (Indicated by double-dotted lines in Figs. 3 and 5), respectively, and have end portions inserted therein and are movably installed along the guide grooves 80A and 80B. That is, the movement of the pins 63d and 63e is regulated by the guide grooves 80A and 80B, respectively. The ends of the pins 63d and 63e inserted into the guide grooves 80A and 80B are formed as rollers (see Fig. 7) to reduce friction against the guide grooves 80A and 80B and to smoothly move the ends. To be. The ends of the pins 63d and 63e on the side of the locking slider 33 are also formed as rollers (see Fig. 7) to reduce friction during movement along the edges of the engaging members 66A and 66B described below and to stabilize the locking operation. To be able.

An end portion on the locking slider 33 side of the guide connecting pin 63c of the link mechanism 61 is formed as a roller and inserted into the slit 33e of the locking slider 33. Therefore, the position of the guide connecting pin 63c is regulated by the position of the locking slider 33. Thus, the link mechanism 61 can be switched between the straight state and the bent state by the movement of the locking slider 33.

The link retaining mechanism 65 is a pair of engagements rotatably provided in the horizontal plane symmetrically with respect to the linking mechanism 61 (with respect to the connecting pin 63a) at a position near each end of the linking mechanism 61. The member 66A, 66B and the connection spring 69 which connect a pair of engagement member with each other are comprised. The engaging members 66A and 66B each have a first engaging portion 67A and 67B and a second engaging portion 68A and 68B at its periphery, respectively, and the rotating shafts 81A and 81B of the engaging members 66A and 66B. ) Is fixed to the base 5 and installed (see FIG. 7). A spanning member 82 is fixed to the pair of rotation shafts 81A, 81B, and a connecting pin 63a for rotatably fixing the central link 62a of the link mechanism 61 is a spanning member. Supported by 82 (see FIGS. 2 and 4).

In the state where the link holding mechanism 65 is not subjected to an external force, the engaging members 66A and 66B are held in the state shown in FIG. 3 by the force from the connecting spring 69. In this state, the engaging members 66A and 66B suppress the extension movement of the link mechanism 61 in the straight state by the peripheral portion (the portion indicated by the arrow P2 in FIG. 3). When the link mechanism 61 is held in a bent state by the connecting members 66A and 66B, the movement of the locking slider 33 in the locking direction A1 is transferred to the slit 33e and the guide connecting pin 63c. Regulated by

On the other hand, the engaging members 66A and 66B are each in the closing direction of the locking pins 14A and 14B fixed to the sliding doors 11A and 11B (the direction indicated by the arrow B1 in FIG. 3; When the edges of the first engagement portions 67A and 67B (parts indicated by P1 in Fig. 3) are pressed by the movement to " ", the second engagement portion (2) against the pressing force of the connection spring 69 It is formed to be able to rotate 68A, 68B in the direction which approaches the link mechanism 61 (direction shown by arrow R1 in FIG. 3). With the sliding doors 11A and 11B in the fully closed position, the locking pins 14A and 14B and the first engagement portions 67A and 67B are engaged as shown in FIG. 5 and the second engagement portion 68A. , 68B is in a position where it is possible to engage with the pins 63d and 63e disposed at the end of the link mechanism 61. That is, the engagement members 66A and 66B enter a state in which deformation of the link mechanism 61 is not restricted. At this time, when the locking slider 33 moves in the locking direction A1, the link mechanism 61 changes from the bent state to the straight state by the guide connecting pin 63c moving along the slit 31e. Thereafter, the pins 63d and 63e located at the ends of the link mechanism 61 are engaged with the second engagement portions 68A and 68B of the engagement members 66A and 66B. Thereby, rotation of the engagement members 66A and 66B is suppressed. Therefore, the movement of the locking pins 14A and 14B in the opening direction (the direction indicated by the arrow B2 in FIGS. 3 and 5; hereinafter referred to as "opening direction B2") is the first engagement portions 67A and 67B. Suppressed by

The opening and closing operations of the sliding doors 11A and 11B will be described with reference to FIGS. 2 to 5. 2 illustrates a manner in which the sliding doors 11A and 11B move in the closing direction B1 and a state in which the locking mechanism 60 is released. In this state, the locking pins 14A and 14B are in a position away from the locking mechanism 60, and the locking mechanism 60 is maintained in the state shown in FIG.

In the unlocked state, the link mechanism 61 is in a thick state, and the linear extension movement of the link mechanism 61 is restricted by the engagement members 66A and 66B. Therefore, the movement of the locking slider 33 in the locking direction A1 is regulated through the guide connecting pin 63c and the slit 33e of the link mechanism 61.

Thus, during the unlocked state of FIGS. 2 and 3, the sun gear 21 of the satellite gear mechanism 20 is driven by an electric motor so that driving force is transmitted to the pin 9 via the internal gear 22, or It is transmitted to elastically deform the torque limit spring 71 through the carrier 23 which rotates according to the idle of the satellite gear 24.

Here, the torque limit spring 71 is a predetermined elastic force that suppresses rotation of the carrier 23 due to the revolution of the satellite gear 24 so as to balance the running resistance during the normal closing operation of the sliding doors 11A and 11B. In order to act on the carrier 23, the pulling member 70 connected to the carrier 23 is pressed. Therefore, during the normal closing operation, while the sun gear 21 of the satellite gear mechanism 20 is driven by the electric motor, the satellite gear 24 only rotates and does not idle, and thus the driving force of the entire sun gear 21 is reduced. It is transmitted to the pinion 9 via this internal gear 22, and the sliding doors 11A and 11B are opened and closed.

Further, even if the sliding doors 11A and 11B move in the closing direction B1, the engaging members 66A and 66B of the locking member 60 which engage the locking pins 14A and 14B are the elastic force of the connecting spring 69. 3 is maintained in the state shown in FIG. 3 and does not rotate to the locked position (position shown in FIG. 5) until the sliding doors 11A and 11B have reached the fully closed position. Thereby, the locking mechanism 61 can be prevented from operating too soon before the sliding doors 11A and 11B reach the fully closed position. Therefore, the failure of the locking mechanism 60 due to the collision of the engaging members 66A, 66B and the locking pins 14A, 14B having entered the locking position does not occur.

During the closing operation of the sliding doors 11A and 11B, when the running resistance of the sliding doors 11A and 11B becomes considerably large due to the pinching of passengers or the like, as described later, the carrier 23 is the torque limit spring 71. Rotation against the pressing force by (), the rotation of the carrier 23 is detected, the rotation of the electric motor is temporarily stopped, or other predetermined safety operation is performed accordingly.

Next, as a result of the drive of the sun gear 21 in the direction of closing the sliding doors 11A and 11B, the sliding doors 11A and 11B approach the fully closed position and access the sliding doors 11A and 11B. The locking pins 14A and 14B fixed relative to each other are judged to contact the engagement members 66A and 66B (see Fig. 3). When the sun gear 21 is driven from this state and the sliding doors 11A and 11B are further moved in the closing direction B1, the locking pins 14A and 14B move the engagement members 66A and 66B in FIG. 3. The engagement members 66A and 66B are made to enter the recesses of the first engagement portions 67A and 67B while rotating in the direction indicated by R1.

When the sliding doors 11, 11B approach the fully closed position, the engagement members 66A, 66B engage the locking pins 14A, 14B with the first engagement portions 67A, 67B, and the second engagement portion 68A. 68B is completed in the shifting to the locking position at which the pins 63d and 63e at the ends of the link mechanism 61 are opposed. As a result, the transition of the link mechanism 61 to the linear state is allowed. Therefore, when the sliding doors 11A and 11B are moved to the fully closed position, the locking slider connected to the link mechanism 61, which is allowed to move to a straight state, through the guide connecting pin 63c and the slit 33e. It is possible for 33 to move in the locking direction A1. As a result, rotation of the carrier 23 connected to the locking slider 33 via the torque limit spring 71 and the traction member 70 is allowed.

On the other hand, when the fully open position is reached, the sliding doors 11A and 11B become impossible to move in the closing direction B1. Thus, rotation of the inner gear 22 connected to the sliding doors 11A and 11B via the rack and pinion mechanism 10 is also prevented. Thus, the driving force of the continuously rotating sun gear 21 is now transmitted to the carrier 23 so that the carrier 23 rotates in the counterclockwise direction in FIG. 2, and the locking slider 33 is in contact with the torque limit spring 71. It moves in the locking direction A1 via the traction member 70. As the locking slider 33 moves in the locking direction A1, the link mechanism 61 shifts from the bent state (state shown in FIG. 3) to the straight state (state shown in FIG. 5). In the straight state, rotation of the engagement members 66A and 66B is restricted by the pins 63d and 63e of the link mechanism 61. Thus, the movement of the locking pins 14A, 14B that engages with the engagement members 66A, 66B is prevented. Thus, the movement of the sliding doors 11A and 11B is locked by the locking pins 14A and 14B. A locking spring 73 for urging the mounting portion 33a of the locking slider 33 in the locking direction A1 is provided on the guide shaft 72 to return the locking slider 33 to the unlocked position from the locked position. Is suppressed and the lock state can be maintained more securely.

Thus, as shown by the deformation from the state shown in FIGS. 2 and 3 to the state shown in FIGS. 4 and 5, the locking mechanism 60 is moved after the sliding doors 11A, 11B move to the fully closed position. Automatically switched to the locked state, the sliding doors 11A and 11B are locked in the closed state. Therefore, only by driving the sun gear 21 of the satellite gear mechanism 20 by a single actuator, locking in conjunction with the closing of the sliding doors 11A and 11B can be realized, and the driving configuration can be simplified. have.

Further, in the locked state shown in Figs. 4 and 5, the locking can be applied in duplicate. That is, the locking which suppresses rotation of the engagement member 66A, 66B by the link mechanism 61, and the locking which suppresses the deformation of the link mechanism 61 from a linear state to a curved state by the locking slider 33 are Can be applied. Therefore, even when the electric motor is not supplied to the motor due to a power failure or a failure of the vehicle, for example, and the rotation of the output shaft (sun gear 21) is free, the sliding doors 11A and 11B are provided by the double locking configuration. ) Is extremely surely prevented. This means that even if a power failure or the like occurs in the vehicle, inadvertent opening due to wind pressure or the like of the sliding doors 11A and 11B can be prevented.

In order to switch from the above-mentioned locked state to the unlocked state and to open the sliding doors 11A and 11B, it is sufficient to simply drive the sun gear 21 in the opposite direction to the closing process by the electric motor. In the locked state (FIGS. 4 and 5), since the sliding doors 11A and 11B are locked by the engagement members 66A and 66B, rotation of the internal gear 22 is prevented. On the other hand, the movement of the slider 33 in the unlocking direction (the direction indicated by the arrow A2 in FIGS. 3 and 5; hereinafter referred to as "unlock direction A2") is suppressed only by the pressing force of the locking spring 73. . That is, in this state, when the driving force opposite to the pressing force of the locking spring 73 is transmitted to the locking slider 33, the locking slider 33 can move in the unlocking direction A2. Therefore, from the locked state, when the sun gear 21 is driven in the direction opposite to the closing process, the entire driving force of the sun gear 21 is transmitted to the carrier 23, and the locking slider 33 is locked with the locking spring. Against the pressing force of 73, it moves in the unlocking direction A2 via the traction member 70. As shown in FIG. In accordance with this movement of the locking slider 33 in the unlocking direction A2, the guide connecting pin 63c of the link mechanism moves from the first hole α to the second hole (a) along the edge of the slit 33e. and the linkage mechanism 61 is shifted from the straight state to the bent state. As a result, the engagement between the second engagement portions 68A, 68B of the engagement members 66A, 66B and the pins 63d, 63e located at the ends of the link mechanism 61 is released. Thus, by the elastic force of the connecting spring 69 connecting the pair of engagement members 66A and 66B, the engagement members 66A and 66B are externally connected to the first engagement portions 67A and 67B (link mechanism 61). To the opposite side)). That is, the engagement members 66A and 66B receive a force for rotating this member in the direction R2 in FIG. 5. As a result, the lock pins 14A and 14B engaged with the second engagement portions 68A and 68B are allowed to move in the opening direction B2, and the sliding doors 11A and 11B are unlocked.

In the position shown in FIG. 2, the movement of the locking slider 33 in the unlocking direction A2 is suppressed by the deformation limit of the locking spring 73. The suppression of the movement of the locking slider 33 in the unlocking direction A2 is not suppressed by the deformation limit of the locking spring 73, but instead the contact of the carrier 23 and the base 5 at a predetermined position. Movement may be inhibited. The lengths of the guide grooves 80A and 80B into which the pins 63d and 63e of the link mechanism 61 are inserted are different from the pins 63d and 63e of the link mechanism 61 by the guide grooves 80A and 80B. May be appropriately set to be suppressed by suppression of movement of the "

As a result of the movement of the locking slider 33 in the unlocking direction A2 being constrained, the driving force of the sun gear 21 in the satellite gear mechanism 20 is now transmitted to the inner gear 22 side. Thus, the sliding doors 11A and 11B are driven in the opening direction B2 through the rack and the pinion mechanism 10. In this process, the engagement members 66A, 66B are sliding because the engagement members 66A, 66B receive the force (the force in the direction R2 in FIG. 5) to rotate the member from the connecting spring 69 to the unlocking position. The movement of the locking pins 14A and 14B fixed to the doors 11A and 11B is not suppressed.

The locking slider 33 and an unillustrated lever disposed at a position accessible from inside and outside of the vehicle are provided through a wire or other connecting member not shown, so that a person can operate the lever in an emergency. By releasing the lock by moving the sliding lever in the release direction, the sliding doors 11A and 11B can be manually opened. As a simpler configuration, the lever may be fixed directly to the locking slider 33.

8 and 9 for the case where the running resistance of at least one of the sliding doors 11A and 11B becomes considerably large during the closing operation of the sliding doors 11A and 11B (during the movement from the fully open position to the fully closed position of the sliding door). This will be described with reference to. For example, this corresponds to the case where the passenger is caught in the sliding doors 11A and 11B or when the passenger collides with one of the sliding doors. 8 is a schematic diagram of the state of the carrier 23 during the normal closing operation. 9 is a schematic diagram of the state of the carrier 23 when the running resistance of the sliding door increases during the closing operation.

As described above, when the closing operation of the sliding doors 11A and 11B is normally performed, that is, both of the sliding doors 11A and 11B are operating with normal running resistance without disturbing movement from the outside. The driving force of 21 is transmitted to the inner gear 22 side, and the sliding doors 11A and 11B are driven in the closing direction B1 through the rack and the pinion mechanism 10. This is because, as described above, the locking slider 33 is restrained when the sliding doors 11A and 11B are in positions other than the fully closed position. That is, in a state where the movement of the locking slider 33 is suppressed, the traction member 70 connected to the carrier 23 is applied to the torque limit spring 71 at a predetermined elastic force that can suppress rotation of the carrier 23. This is because it is pressurized by. In this embodiment, the elastic force which suppresses rotation of the carrier 23 acts on the carrier 23 via the traction member 70 so that the running resistance of the sliding doors 11A, 11B may be balanced. That is, during the closing operation, when a force greater than the normal running resistance acts on the sliding door 11A or 11B, the carrier 23 is elastically deformed while the torque limit spring 71 is fixed while the position of the locking slider 33 is fixed. May rotate to enter the state shown in FIG. 9.

The permanent magnet 83 is fixed to the outer circumference of the carrier 23, and the detection switch 84 (collision detection unit, limit switch) mounted on the base 5 side is a permanent magnet ( 83) to be switched by the movement. Specifically, during the operation of the sliding doors 11A and 11B at the normal running resistance, the detection switch 84 is in the OFF state at the position of the carrier 23. On the other hand, when the carrier 23 rotates by a predetermined amount as the running resistance of the sliding doors 11A and 11B increases, the detection switch 84 is turned ON (see Fig. 9). When the detection switch 84 is turned ON, a signal for stopping driving is transmitted to the electric motor, and the driving of the electric motor is stopped.

By the above configuration, during the closing operation of the sliding doors 11A and 11B, the sliding door in the closing direction B1 may be caused by a passenger being caught or one of the sliding doors of the sliding sliding door colliding with the passenger. When the running resistance increases, the driving of the electric motor can stop the driving of the electric motor in order to alleviate the impact force or the like applied to the passengers caught in the sliding doors 11A and 11B. The action performed when the detection switch 84 is turned ON (door jamming or collision is detected) is not limited to the stopping of the drive of the electric motor, but instead the control is performed to lower the drive output of the electric motor. May be done.

When the sliding doors 11A and 11B are in the fully closed position, the above-described signals for stopping the driving of the electric motor are not transmitted or the driving of the electric motor is not stopped even if the signals are transmitted. Therefore, the drive of the electric motor is not stopped during the movement operation of the lock slider 33 in the locking direction A1.

For example, when a lock state detection sensor for detecting whether the sliding door is in a locked state is installed, and a detection signal is transmitted from the detection switch 84, then the detection signal of the lock state detection sensor is not transmitted within a predetermined time. It is also possible to stop the driving of the electric motor by determining that a door jam or collision due to the sliding door has occurred. For example, the deceleration sensor which detects the deceleration of a sliding door can also be used together. In this case, when the sliding speed of the sliding door is high in the closing operation, the door switch or the collision can be judged by detecting the rotation of the carrier by the detection switch 84, and the sliding door comes close to the closing position and slides. When the moving speed of the door is lowered, it is possible to detect a door jam or collision by the deceleration sensor.

As described above, the opening / closing device having the lock according to the present invention includes a pair of racks 7A each mounted on a pair of sliding sliding doors 11A and 11B that are reciprocally movable with respect to the housing (wall surface) of the vehicle. A rack and pinion mechanism 10 having a pinion 9 engaged with the pair of racks 7A and 7B; An electric motor serving as an opening and closing drive source of the sliding doors 11A and 11B; A pair of sliding doors is mounted on the base 5 fixed to the housing and suppresses respective movements of the locking pins 14A and 14B respectively fixed to the respective sliding doors of the pair of sliding doors 11A and 11B. A locking mechanism 60 capable of locking the 11A, 11B to the fully closed position; A locking slider 33 for switching the locking mechanism 60 between a locked state and an unlocked state; It has the sun gear 21 into which the driving force of an electric motor is input, the internal gear 22 which can output a driving force to the pinion 9, and the carrier 23 which can output a driving force to the locking slider 33. A satellite gear mechanism 20; When the sliding doors 11A and 11B are in the fully closed position, they are arranged to output the driving force from the carrier 23 to the locking slider 33.

According to this structure, since the movement of the locking pins 14A and 14B fixed to each sliding door of the pair of sliding doors 11A and 11B is restrained by the locking mechanism 60, respectively, the pair of sliding doors Each of 11A and 11B can be locked independently. Therefore, even when the rack and pinion mechanism 10 fail, the movement of both sliding doors 11A and 11B can be kept locked. On the contrary, when the rack and pinion mechanism 10 are functioning normally, even if the lock of one sliding door 11A (11B) is released by failure or the like, the one sliding door 11A (11B) is held in the rack and pinion. Since it is connected to another sliding door 11B (11A) via the mechanism 10, as long as the lock of the other sliding door 11B (11A) is effective, one sliding door 11A (11B) is locked. Can be maintained at. Therefore, the sliding sliding doors 11A and 11B can be locked more securely.

Further, according to this configuration, the power of the electric motor is distributed through the satellite gear mechanism 20, driving the pinion 9 of the rack and pinion mechanism 10 on the one hand and locking slider 33 on the other hand. To drive. Therefore, since the structure for power transmission (distribution) from the electric motor is accommodated in a small space, the structure can be simplified and a small opening and closing device having a lock can be provided.

In addition, since the driving force from the electric motor is distributed using the satellite gear mechanism 20 without using the shock absorbing spring as in Patent Document 1, in the state where the sliding doors 11A and 11B are locked in the closed position, Even when the driving force is lost due to a motor failure or the like, unintentional unlocking is prevented.

Moreover, the opening / closing device with lock which concerns on this invention is provided with the locking slider 33 which can switch the locking mechanism 60 between a locked state and an unlocked state by moving according to the drive of the carrier 23. The locking mechanism 60 prevents the movement of the locking slider 33 when the sliding doors 11A and 11B are in positions other than the fully closed position, and when the sliding doors 11A and 11B are in the fully closed position. It is arranged to allow movement of the locking slider 33.

According to this configuration, since the movement of the locking slider 33 is prevented when the sliding doors 11A and 11B are in positions other than the fully closed position, the locking operation when the sliding doors 11A and 11B reaches the fully closed position. This is certainly done. That is, the locking operation is prevented from being performed too early in the driving of the sliding doors 11A and 11B in the closing direction B1, so that the locking mechanism 60 is broken and the sliding door (before the arrival of the fully closed position). Restraint of 11A, 11B) is prevented.

Moreover, with the opening-closing device with lock which concerns on this invention, the locking mechanism 60 is a link mechanism 61 which can deform | transform into a linear state and a bent state according to the movement of the locking slider 33, and a sliding door is completely closed. It is provided with the link holding mechanism 65 which hold | maintains the link mechanism 61 in the bending state when it exists in positions other than a position. By the locking mechanism 60, when the sliding doors 11A and 11B are in the fully closed position, the link mechanism 61 deforms to a straight state, and the locking pins 14A fixed to the sliding doors 11A and 11B, respectively. , 14B) inhibits movement.

According to this configuration, by making the link mechanism 61 in a straight state, the movement of the sliding doors 11A and 11B can be locked in the fully closed position, and the link mechanism 61 is linked at positions other than the completely closed position. Since it is held in a bent state by the holding mechanism 65, the locking operation is performed after the sliding doors 11A and 11B reach the fully closed position. Therefore, since the locking mechanism 60 is driven using the link mechanism 61, it can be formed compactly, and since the locking mechanism 60 is mechanically driven, stable driving can be realized.

In addition, the opening and closing apparatus according to the present invention has locking pins 14A and 14B fixed to the sliding doors 11A and 11B so as to extend in the vertical direction. The link retaining mechanism 65 is rotatably installed near each end of the link mechanism 61 and is completely closed with the first engagement portions 67A and 67B that engage the locking pins 14A and 14B in the fully closed position. It consists of a pair of engagement member 66A, 66B which has the 2nd engagement part 68A, 68B which engages the edge part of the link mechanism 61 in a linear state at the position. The engagement members 66A and 66B prevent the movement of the locking slider 33 by preventing the transition of the link mechanism 61 to the straight state when the sliding doors 11A and 11B are in positions other than the fully closed position. In addition, during the movement in the closing direction B1 of the sliding doors 11A and 11B, it is pressed by the locking pins 14A and 14B, so that the ends of the link mechanism 61 and the second engagement portions 68A and 68B are closed. Rotation to a position that enables engagement allows the movement of the locking slider 33.

According to this configuration, in the fully closed position, the engaging members 66A, 66B are engaged with the locking pins 14A, 14B. Thereafter, by the extension of the link mechanism 61 in the straight state, the engaging members 66A and 66B mesh with the end portions of the link mechanism 61, and the rotational movement is suppressed. As a result, the locking pins 14A and 14B are restrained from being engaged with the engaging members 66A and 66B. Therefore, the engagement members 66A and 66B can prevent the transition of the link mechanism 61 to a straight state at positions other than the fully closed position, and prevent the movement of the locking pins 14A and 14B at the fully closed position. It can be suppressed. Therefore, the number of parts required for forming the locking mechanism 60 can be reduced, and a smaller locking mechanism 60 can be arranged.

In addition, the opening and closing device with lock according to the present invention includes a locking slider 33 which is slidable in one direction with respect to the locking mechanism 60 and has a curved slit 33e at its bottom, and has a link mechanism 61. ) Acts in a plane parallel to the bottom of the locking slider 33, has a guide connecting pin 63c disposed at one connection point and inserted into the slit 33e, and the link mechanism 61 is a slit 33e. It is deformed into a straight state and a bent state by the guide connecting pin 63c moving along.

According to this configuration, the link mechanism 61 can be deformed in a straight state by moving in one direction of the locking slider 33 without interposing another member between the locking slider 33 and the link mechanism 61. Therefore, the installation space of the locking mechanism 60 can be reduced.

The locking slider 60 has a link mechanism 61 which is deformable in a straight state and a bent state in a horizontal plane, and the link mechanism 61 that is deformable in a straight state when the sliding doors 11A and 11B is in the fully closed position. By this, the locking member 60 enters the locked state by engaging the locking pins 14A and 14B fixed to the sliding door.

According to this configuration, when the sliding doors 11A and 11B reach the fully closed position, the locking doors 11A and 11B are driven, and the link mechanism 61 is deformed in a straight state in the horizontal plane, whereby the sliding door ( 11A, 11B) can be locked. Therefore, since the locking mechanism 60 keeps the sliding doors 11A and 11B locked using the link mechanism 61 operating in the horizontal plane, the installation space in the height direction of the locking mechanism 60 can be reduced. Can be. Therefore, by using the open / close device with lock according to the present invention, the open / close operation can be performed in a small installation space.

According to the opening / closing device having a lock according to the present invention, the link mechanism 61 has a link 62a rotatably fixed to the base 5, and the linear guide grooves 80A and 80B formed in the base 5 are provided. This restricts the movement of the pins 63d and 63e at the ends of the link mechanism 61.

According to this structure, by linkably fixing the link part 62a which is a part of the link mechanism 61 to the base 5, the link mechanism 61 with respect to the base 5 is not disturbed without interrupting the operation of the link mechanism 61. FIG. ) Position can be fixed. The movement of the pins 63d and 63e at the ends of the link mechanism 61 can be regulated in a straight line by the guide grooves 80A and 80B of the base 5 and can be deformed into a straight state and a bent state. The link mechanism 61 can be formed with a simple structure.

The opening and closing device with lock according to the present invention has locking pins 14A and 14B fixed to the sliding door so as to extend in the vertical direction. The locking mechanism 60 includes: first engaging portions 67A, 67B rotatably installed in a horizontal plane near the end of the link mechanism 61 and engaged with the locking pins 14A, 14B in the fully closed position; And engaging members 66A and 66B having second engaging portions 68A and 68B that engage with pins 63d and 63e at the ends of the link mechanism 61 in a straight state in the fully closed position.

According to this configuration, by the locking pins 14A and 14B extending in the vertical direction from the sliding doors 11A and 11B, the locking mechanism 60 operating in the horizontal plane is easily fitted with the locking pins 14A and 14B. Can be bitten. In the fully closed position, the movement of the locking pins 14A and 14B can be suppressed by suppressing rotation of the engaging members 66A and 66B by the pins 63d and 63e at the ends of the link mechanism 61 in a straight state. Therefore, the direction in which the link mechanism extends in a straight state can be set in any direction in which rotation of the engaging members 66A and 66B can be suppressed. As shown in FIG. 5, according to the present embodiment, the force received by the pins 63d and 63e at the end of the link mechanism 61 by the rotation of the engagement members 66A and 66B is determined by the pins 63d and 63e. Perpendicular to the longitudinal direction of these movable guide grooves 80A, 80B, the force exerted from the engaging members 66A, 66B is supported by the edges of the guide grooves 80A, 80B. Therefore, this force does not act to transfer the link mechanism 61 to the bent state, so that the locked state can be more surely maintained. In this case, the load on the links 62b and 62c is less, and the failure of the link mechanism 61 and the like can be suppressed.

In addition, the opening and closing device with lock according to the present invention has a locking slider 33 that is movable in a horizontal plane in accordance with the driving of the carrier 23. As the locking slider 33 moves, the link mechanism 61 can be deformed into a straight state and a bent state by the movement of the guide connecting pin 63c disposed at the connection point of the link mechanism 61.

According to this structure, since the locking slider 33 can move in a horizontal plane, the installation space in the height direction can be made small. Moreover, the locking slider 33 can switch the state of the link mechanism 61 by using the guide connection pin 63c which comprises the link mechanism 61, and can implement | achieve the simple structure with few components. .

Moreover, the opening-closing device with lock which concerns on this invention is slidable in a horizontal plane according to the drive of the carrier 23, and has the locking slider 33 which has the curved slit 33e in the bottom face. The guide connecting pin 63c disposed at one connection point of the link mechanism 61 is inserted into the slit 33e and, in accordance with the movement of the locking slider 33, the guide connecting pin disposed at the connection point of the link mechanism 61. As the 63c moves along the slit 33e, the link mechanism 61 can be deformed into a straight state and a bent state.

According to this structure, the movement of the link mechanism 61 can be suppressed by using the slit 33 of the bottom face of the locking slider 33 which can slide in a horizontal plane. Since the slit 33e has a curved shape, a configuration for guiding the guide connecting pin 63c in a direction different from the moving direction of the locking slider 33 can be easily realized. According to this embodiment, the deformation from the linear state to the curved state of the link mechanism 61 can be realized by the second hole portion β extending in a direction different from the moving direction of the locking slider 33. have.

In addition, the opening and closing apparatus with lock according to the present invention, during the closing operation of the sliding doors 11A, 11B, rotates the carrier 23 when the running resistance of the sliding doors 11A, 11B is smaller than the predetermined running resistance. A torque limit spring 71 for applying a predetermined elastic force to restrain the carrier 23; During the closing operation of the sliding doors 11A and 11B, the detection switch 84 disposed in the base 5 is provided to stop the driving of the electric motor when the deformation amount of the torque limit spring 71 reaches a predetermined deformation amount. do. Here, the carrier 23 can output the driving force of the electric motor to the torque limit spring 71.

According to this configuration, during the closing operation of the sliding doors 11A and 11B (during the movement from the fully open position of the sliding doors 11A and 11B to the fully closed position), the running resistance of the sliding doors 11A and 11B is predetermined. If it is smaller than the running resistance of, the rotation of the carrier 23 is suppressed by the elastic force of the torque limit spring 71, so that the driving force of the electric motor is transmitted from the internal gear 22 to the pinion 9, and the sliding door ( The closing operation of 11A, 11B is performed. In the closing operation of the sliding doors 11A and 11B, when a passenger is caught or the sliding doors 11A and 11B collide with the passengers, a force greater than the normal running resistance is applied to the sliding doors 1A and 11B, and the predetermined When the running resistance is exceeded, the carrier 23 rotates against the elastic force of the torque limit spring 71 and the torque limit spring 71 elastically deforms. When the amount of elastic deformation reaches a predetermined amount, the drive of the electric motor is stopped by the detection switch 84. As in the electric motor, since the detection switch 84 is disposed on the base 5 fixed to the housing side, the wiring is not complicated and door latches and collisions can be detected during the sliding door closing operation. According to this configuration, collision detection is possible regardless of whether the sliding doors 11A and 11B are accelerated or decelerated, and collision detection can be performed over the entire range of the dome of the sliding doors 11A and 11B.

Further, the opening and closing device with lock according to the present invention has a locking slider 33 which can switch the locking mechanism between the locked state and the unlocked state by moving. The torque limit spring 71 is disposed between the carrier 23 and the locking slider 33.

According to this configuration, the locking slider 33 can be driven by using the output of the carrier 23 to switch the locking mechanism 60, and a force can be applied to the torque limit spring 71. Thus, for example, when the torque limit spring 71 is installed at another position, the driving force from the carrier 23 at the time of switching of the locking mechanism 60 causes the torque limit spring 71 and the locking slider (installed at another position). 33) in parallel. Therefore, the force acting on each part becomes small. However, as in this embodiment, by providing the torque limit spring 71 between the carrier 23 and the locking slider 33, the force applied to the torque limit spring 71 is also in series with the locking slider 33. As a result, it is possible to efficiently perform the collision detection and locking operation.

According to the opening-closing device having a lock according to the present invention, the detection switch 84 is constituted by a limit switch that stops driving of the electric motor when it detects that the rotation angle of the carrier 23 is smaller than the predetermined rotation angle.

According to this structure, the limit switch detects the rotation angle of the carrier 23 which rotates corresponding to the deformation of the torque limit spring 71, and stops the drive of an electric motor. Therefore, the collision detection unit can be made simple.

Further, in the opening / closing device having a lock according to the present invention, when the sliding doors 11A and 11B perform a normal closing operation, a predetermined elastic force for suppressing rotation of the carrier 23 is balanced so as to be balanced with the running resistance. 23).

The expression "performs a normal closing operation" means that a force that prevents the operation of the sliding doors 11A and 11B does not work from the outside, and the elastic force that balances the running resistance during this normal closing operation is torque limit. The spring 71 acts on the carrier 23. Therefore, the elastic force acting by the torque limit spring 71 becomes small. Thereby, since the torque limit spring 71 can be deformed more easily by the increase of the running resistance of the sliding doors 11A, 11B, high sensitivity can be detected. Moreover, since it is the structure using a satellite gear mechanism, when the sliding doors 11A and 11B collide, the force corresponding to the elastic force of the torque limit spring 71 acts on a collision object, By reducing the elastic force acting by this, the impact applied to the collision object from the sliding doors 11A and 11B can be considerably relaxed.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various changes can be made within the scope of the claims. For example, the following changes are possible.

(1) In this embodiment, the sun gear 21 is connected to the output shaft of the electric motor, the inner gear 22 is connected to the pinion 9, and the carrier 23 is connected to the traction member, The invention is not limited to this configuration. That is, various modifications are possible such as connecting the sun gear 21 to the pinion 9 and connecting the internal gear 22 to the electric motor.

(2) In the said embodiment, although the connection between a locking slider and a link mechanism consists of a slit part formed in the bottom surface of a locking slider, and the connection pin of a link mechanism, this invention is not limited to this. For example, as shown in the unlocked state shown in FIG. 10 and the locked state shown in FIG. 11, a connecting pin 33f having a roller may be fixed to the bottom of the locking slider 33, and the link mechanism 61 The central link of may be arranged as a link 62a 'having a shape that is rotatable when pressed by the connecting pin 33f having a roller in accordance with the movement of the locking slider 33. As a result, the link mechanism 61 can be deformed into a curved state and a straight state in accordance with the movement of the locking slider 33 as described in the present embodiment.

(3) In the above embodiment, the carrier and the locking slider are connected with the traction member and the torque limit spring interposed therebetween, but instead the carrier may be directly connected to the locking slider.

Claims (14)

In the switchgear having a lock (lock), A rack and pinion mechanism including a pair of racks each mounted on a pair of sliding sliding doors reciprocating with respect to the housing, and a pinion engaging the pair of racks; An actuator functioning as an opening / closing drive source of the sliding door; A locking mechanism mounted on the housing and capable of locking the pair of sliding doors in the fully closed position by inhibiting respective movements of the locking members respectively fixed to the respective sliding doors of the pair of sliding doors; A switching mechanism for switching the locking mechanism between a locked state and an unlocked state; And A satellite gear mechanism having an input portion to which the driving force of the actuator is input, a first output portion capable of outputting the driving force to the pinion, and a second output portion capable of outputting the driving force to the switching mechanism; And a driving force is output from the second output to the switching mechanism when the sliding door is in the fully closed position. The method according to claim 1, The switching mechanism has a switching member capable of switching the locking mechanism between the locked state and the unlocked state by moving in accordance with the driving of the second output unit. The locking mechanism is configured to prevent movement of the switching mechanism when the sliding door is in a position other than the fully closed position and to allow movement of the switching mechanism when the sliding door is in the fully closed position. Having opening and closing device. The method according to claim 2, A link mechanism wherein the locking mechanism is deformable in a straight state and a bent state according to the movement of the switching member; A link holding mechanism for holding the link mechanism in a bent state when the sliding door is in a position other than the fully closed position; and when the sliding door is in the fully closed position, the link mechanism deforms to a straight state And an opening / closing device having a lock for suppressing movement of the locking member fixed to the sliding door. The method according to claim 3, Each locking member includes a locking pin fixed to the sliding door to extend in a vertical direction, The link retaining mechanism includes a pair of engaging members rotatably provided near both ends of the link mechanism, the engaging members comprising: a first engaging portion engaged with the locking pin in the fully closed position and a fully closed position; Each having a second engagement portion engaged with one end of the link mechanism in a straight state at the position, The engaging member prevents the movement of the switching member by preventing the transition of the link mechanism to a straight state when the sliding door is in a position other than the fully closed position, and during the movement in the closing direction of the sliding door, A lock opening and closing device that permits movement of the switching member by rotating to a position that is pressed by the locking pin to enable engagement of both ends of the link mechanism with the second engagement portion. The method according to claim 4, The switching member includes a locking slider which is slidable in one direction with respect to the locking mechanism and has a slit portion curved in a bottom surface thereof, The link mechanism operates in a plane parallel to the bottom surface of the locking slider, and has a connecting pin disposed at one connection point and inserted into the slit portion, And the link mechanism is deformed into a straight state and a bent state by a connecting pin moving along the slit in accordance with the movement of the locking slider. The method according to claim 3, And a lock, wherein the link mechanism is deformable in a straight state and a bent state in a horizontal plane. The method according to claim 6, The link mechanism has a link portion rotatably fixed to the housing, the opening and closing apparatus having a lock in which movement of one end of the link mechanism is suppressed by a linear guide groove provided in the housing. The method according to claim 6 or 7, Each locking member includes a locking pin fixed to the sliding door to extend in a vertical direction, The locking mechanism further comprises an engagement member rotatably installed in a horizontal plane near one end of the link mechanism, the engagement member comprising: a first engagement portion that engages the locking pin in the fully closed position and in the fully closed position; A lock opening and closing device, comprising: a second engagement portion engaged with an end portion of the link mechanism in a straight state. The method according to claim 6 or 7, The switching mechanism has a switching member that is movable in a horizontal plane in accordance with driving of the second output unit, And the link mechanism can be deformed into a straight state and a bent state by the movement of the connecting pin disposed at the connection point of the link mechanism in accordance with the movement of the switching member. The method according to claim 9, The switching member is a locking slider capable of sliding in one direction in a horizontal plane in accordance with the driving of the second output unit and having a slit portion having a curved shape on the bottom surface, A link pin arranged at one connection point of the link mechanism is inserted into the slit portion, and the link mechanism is straightened by a connection pin disposed at the connection point of the link mechanism and moving along the slit portion in accordance with the movement of the locking slider. An opening and closing device having a lock, which can be deformed into a state and a bent state. The method according to claim 1, An elastic member; A collision detection unit disposed in the housing and stopping the driving of the actuator when the deformation amount of the elastic member reaches a predetermined deformation amount during the closing operation of the sliding door, The said 2nd output part is a switching device with a lock which can output the driving force of the said actuator to the said elastic member. The method according to claim 11, The opening and closing device with lock, wherein the elastic member is disposed between the second output portion and the switching member. The method according to claim 11 or 12, And the collision detection unit includes a limit switch for stopping the driving of the actuator when detecting that the rotation angle of the second output portion is greater than a predetermined rotation angle. The method according to claim 11 or 12, And the elastic member is arranged to be in balance with running resistance when the sliding door is in a normal closing operation.

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