JP6512403B2 - Buffer closing device for sliding door - Google Patents

Description

  The present invention relates to a sliding door buffer closing device which can be quietly closed by reducing the sliding door speed just before closing.

  JP, 2014-206037, A

  Conventionally, a buffer closing device such as a soft closeer for a hanging door that can be closed quietly by reducing the speed of the hanging door just before closing is already known as described in JP-A-2014-206037, etc. is there.

  The main configuration of the invention disclosed in JP-A-2014-206037 is to slide an appropriate region in a casing that is fitted to a guide rail that is suspended and moved by a hanging door that rolls a guide rail. The hook member is rotatably attached to the sliding member, and the sliding member controlled via the hook member is biased to the door closing side via the coil spring by the trigger provided on the sliding door side, and the guide rail A reciprocating damper is provided to move the sliding region of the sliding member in the door closing direction from the state where the door wheel traveling along is locked to the hook member, and to reduce the moving speed by the elastic force of the coil spring. It was characterized by

  The buffer closing device with such a configuration is usually used for a sliding door, and for a sliding door, it is excellent in appearance because it is not necessary to lay a rail on a sill only by providing a swinging metal stopper of the sliding door. Since all the sliding door loads are applied to the guide rails, there is a limit to the load capacity, and there is a problem that it is not possible to use a very heavy sliding door.

  Therefore, when using a buffer closing device with the above configuration on the upper side of the sliding door as a lower load sliding door that uses a sill rail to withstand heavy loads such as heavy sliding doors, sliding occurs each time the sliding door is opened and closed. Since the hook member of the sliding member abuts on the trigger that controls the member and resistance is applied, the advancing direction side of the sliding door floats up, and in a severe case there is a risk that the door roller will be released from the rail. It was necessary to provide a buffer closure device.

Object of the invention

  The first object of the present invention is to provide a buffer closing device for sliding door which can prevent the door roller from coming off the rail even if the buffer closing device used for the sliding door is used as it is for a lower load sliding door It is to do.

  A second object of the present invention is to provide a sliding door buffer closing device capable of combining one type of buffer closing device for a sliding door and a lower load sliding door.

Means to solve the problem

  A buffer closing device for a sliding door according to a first aspect of the present invention relates to a sliding member which slides an appropriate area in a casing provided at an end portion with a guide roller which travels along a guide rail provided on the side of a window. A hook member is rotatably mounted, and a sliding member controlled via the hook member is provided with a trigger provided on the side of the roof and biased toward the door closing side via a coil spring and locked to the hook member A sliding door for a lower load provided with a buffer closing device provided with a reciprocating damper for moving the sliding region of the sliding member in the door closing direction from the state and reducing the moving speed by the elastic force of the coil spring The guide roller is characterized in that the spring biases the sliding door in a direction to push it down in order to prevent the sliding door from rising.

  A buffer closing device for a sliding door according to a second aspect of the present invention is characterized in that the guide roller described in the buffer closing device for a sliding door according to the first aspect is detachably provided at a casing end. is there.

Action of the invention

  In the cushioning device for sliding doors according to the first aspect of the present invention, the guide roller is biased in the direction of pushing down the sliding door by the spring, so that the door tip side of the sliding door is lifted by contact of the hook member with the trigger. Can be prevented.

  In the buffer closing device for sliding doors according to the second aspect of the present invention, the guide roller is detachably mounted on the end of the casing, so that the guide roller can be changed to a hanging door and used for a low load hanging door it can.

  1 is a schematic front view of the device of the present invention, FIG. 2 is an enlarged front view of the main part of FIG. 1, FIG. 3 is a side view of FIG. 2; a front view of the left closed state of the sliding door, FIG. 6 is a front view of the sliding door in a right closed state, and FIG. 7 is an exploded perspective view showing the relationship between a guide roller device, a connecting member, and a hook member.

  In the drawing, 1 is a sliding door which travels left and right on the sill rail by doors A and A, A is a guide rail, and 3 is a guide roller connected to a casing of a buffer closing device described later via a connecting member 4-1. 4A is fitted.

  The guide roller device 4A connected via the connecting member 4-1 moves up and down via the spring 4-4 to the shaft 4-3 of the base provided with the roller 4-3 in the case 4-2. The configuration is as follows.

  The connection member 4 integrates the casing 5-1 of the buffer closing device 5 with a screw or the like by inserting the part 4-1 into the insertion groove a formed in the wheel support member 4-1. A locking piece 4-2 is formed to be engaged with the hook member 5-3 of the buffer closing device 5, and is used to prevent the buffer closing device from rising by hitting the surface of the guide rail 3 opposite to the roller rolling surface. The contact piece 4-3 is formed.

  Denoted at 6 is a fixed projection attached to the guide rail 3. During the opening and closing movement of the sliding door 1, the recessed portion 5-3a of the hook member 5-3 is fitted, the springs 5-4 and 5-4 are pulled and the spring is restored. The force is accumulated, and the hook 5-3b of the hook member 5-3 is engaged with the locking piece 4-2 of the connecting member 4 during the opening and closing movement of the sliding door 1, so that the spring 5-4, The state in which the recovery power is accumulated in 5-4 is maintained.

  Reference numeral 7 denotes a guide roller attached to the casing 5-1 on the opposite side of the guide roller of the buffer closing device 5 via the same connection member 4 as described above, and between the door roller 2 and the guide roller 7 the guide rail 3 The buffer closing device 5 is moved while keeping the inside horizontal.

  According to the mounting method and operating state of the sliding door according to the present invention, first, the connecting members 4 are integrated with screws or the like at both ends of the casing 5-1 of the buffer closing device 5. The door roller 2 and the buffer closed by inserting -1 into the insertion groove 2-1 a formed in the wheel support member 2-1 of one guide roller device 4 A attached to the left and right of the sliding door 1 and the wheel support member of the guide roller 7 The device 5 and the guide roller 7 are integrated via the connecting members 4, 4.

  Next, the set parts are inserted from the end of the guide rail 3 to which the two triggers 6, 6 for operating the hook member 5-3 of the buffer closing device 5 are attached in advance, The main bodies of the guide roller devices 4A and 4A at both ends which can roll can be fitted and fixed in the digging holes formed at the left and right ends of the sliding door 1.

  The mounting position of the fixing projection to be attached to the guide rail 3 is determined depending on from which position it is to be gently closed, and the mounting position can be set according to the user's request.

  In the state of FIG. 4, the hook member 5-3 on the guide roller 7 side of the buffer closing device 5 is engaged with the locking piece 4-2 of the connection member 4 and is in a fixed state, and the hook on the guide roller device 4A side One trigger 6 of the guide rail 3 is fitted in the recess 5-3a of the member 5-3.

    When the sliding door 1 is moved in the right direction, that is, in the direction of the arrow from this state, the hook member 5-3 on the guide roller device 4A side, that is, the left side is stopped. While the restoring force is accumulated in the spring, the state shown in FIG. 5 is obtained through the state shown in FIG.

  When this state is reached, the inclined surface 5-4b of the hook member 5-3 on the right side is pushed by the other fixing projection 7 and the hook member 5-3 is rotated, and the locking piece 4-2 in an engaged state The spring 5-4 starts to contract, and even if the hand is released from the sliding door 1, the spring 5-4 moves to the left by this restoring force of the spring 5-4, but the sliding door is slowly moved by the action of the buffer damper 5-2. 1 closes as shown in FIG.

  The operation after the above is the same as the operation state described in JP-A-2014-206037, so a detailed explanation of the operation will be omitted, but the sliding door is closed whenever the trigger 6 abuts the hook member 5-3 each time the sliding door 1 is opened or closed. The sliding door 1 is always pushed downward by the action of the spring 4-4 provided on the shaft 4-3 of the base provided with the roller 4-3 even if the end in the traveling direction of 1, i.e. So it won't lift up.

  In the cushioning device for sliding door according to claim 1 of the present invention, since the guide roller is urged in the direction to push down the sliding door by the spring during the opening and closing operation, the door of the sliding door It is possible to prevent the front side from rising.

  According to a second aspect of the present invention, there is provided a cushioning device for sliding door according to the second aspect of the present invention, in which the hook member engages with the wheel supporting member of the door wheel attached to the digging hole of the sliding door end. Since the buffer closing device is integrated through the connecting member forming the stop portion, the guide roller device is detachably mounted on the end of the casing, so the guide roller is changed to a hanging door It can be used for a low load hanging door.

  It is a schematic front view of this invention apparatus.   It is a principal part enlarged front view of FIG.   It is a side view of FIG.   ~   Front view of the sliding door moving to the right,   It is a front view of the right closing state of a sliding door.   It is a disassembled perspective view showing the relationship of a guide roller apparatus, a connection member, and a hook member.

1 sliding door 2 doors wheel 3 guide rail 4 connecting member 5 buffer closing device 6 fixing projection 7 guide roller

Claims (2)

The hook member is rotatably mounted on a sliding member which slides an appropriate area in a casing provided at an end portion with a guide roller which travels along a guide rail provided on the side of the side, and provided on the side of the side The sliding member controlled by the hook member via the hook member is biased toward the door closing side via the coil spring, and moved from the state of being locked by the hook member in the door closing direction of the sliding region of the sliding member The sliding door buffer closing device is provided with a reciprocating damper that reduces the moving speed of the coil spring due to the elastic force of the coil spring, and when used in a lower load sliding door provided with a door wheel that travels a threshold rail guide rollers in order to prevent the floating of the lower load sliding door, buffering closure device for sliding doors being characterized in that so as to bias in a direction to push down the lower load sliding door by the spring.   The sliding door cushioning closing device according to claim 1, wherein the guide roller described in the sliding door cushioning closing device is detachably attached to an end of the casing.

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