JP3166584U - Shock absorber for sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shock absorber for a sliding door which can prevent a sudden hit of a vertical frame of an entrance / exit when the sliding door is closed and can prevent the generation of a loud impact sound to buffer the movement of the sliding door. SOLUTION: This is a shock absorber of a sliding door 1 slidably provided to open and close the entrance and exit of a building, and a bidirectional rotary damper 6 is attached to the upper end of the sliding door 1 near the door end of the bidirectional rotary damper 6. The lower end of the V-shaped claw member 8 is fixed to the rotating shaft 7 that protrudes horizontally from the center. Further, the V-shaped claw member 8 is formed with tip claw portions 9a and 9b bent inward at the upper left and right ends when viewed from the front, and is located at a position close to the vertical frame 5 where the door end of the sliding door at the doorway hits. An abutting member 10 that comes into contact with the tip claws 9a and 9b is attached to the lower surface of the upper frame 4. [Selection diagram] Fig. 4

Description

  The present invention relates to a shock absorber for a sliding door that alleviates a sudden contact of a doorway with a vertical frame when the sliding door is closed, for example.

  Many conventional sliding doors are supported by a device that automatically opens and closes as disclosed in, for example, Patent Document 1.

JP-A-5-231063

  The automatic opening / closing sliding door device disclosed in Patent Document 1 is configured to move the sliding door along the inclination of the hanger rail, but as a means for automatically closing the sliding door, a spring is used. The one using is also known.

  However, although it is clear that the sliding door is automatically closed by the above-described configuration, a problem with such a device is that a large impact sound is generated due to a sudden contact with the vertical frame of the doorway when the sliding door is closed. Is mentioned.

  The object of the present invention is to solve such a problem. For example, the sliding door can be prevented from abruptly hitting the vertical frame of the doorway when closing the sliding door, and the generation of a large impact sound can be prevented. An object of the present invention is to provide a sliding door shock absorber.

  The sliding door shock absorber according to claim 1 of the present invention is a sliding door shock absorber that is slidably provided to open and close the doorway of a building, and is provided on an upper end of the sliding door or a lower frame facing the horizontal direction of the doorway. A rotary damper is attached, and the lower end of the V-shaped claw member is fixed to a rotating shaft that protrudes horizontally from the center of the rotary damper. The upper end of the V-shaped claw member is placed on the upper frame of the doorway or the lower end of the sliding door. The contact member which contacts the front-end | tip part of this is attached.

  The sliding door shock absorber according to claim 2 is a sliding door shock absorber slidably provided to open and close the doorway of the building, and a rotary damper is provided on the lower frame of the sliding door or the upper frame facing the horizontal direction of the doorway. The upper end of the inverted V-shaped claw member is fixed to a rotating shaft that protrudes horizontally from the center of the rotary damper, and the lower end of the inverted V-shaped claw member is attached to the lower frame of the doorway or the upper end of the sliding door. A contact member that contacts the tip is attached.

  The shock absorber for a sliding door according to claim 3 is characterized in that a tip claw portion bent inward is formed at a tip portion of the claw member.

  As described above, the sliding door shock absorber according to the present invention is provided with a shock absorber on the door end side of the sliding door, for example, so that the tip of the claw member attached to the rotary damper contacts the abutting member when the sliding door is closed. Depending on the purpose, the sliding door will be buffered by touching it, preventing sudden contact with the vertical frame of the doorway when closing the sliding door, and also preventing the generation of loud impact sound. It is possible to provide a sliding door shock absorber capable of appropriately selecting the mounting position of the shock absorber.

It is a front view of the sliding door attachment part provided with the buffering device for sliding doors in one embodiment of this invention. It is an enlarged front view of the buffering device attachment part for the sliding door. It is an enlarged side view of the buffering device attachment part for the sliding door. It is an enlarged front view which shows the state at the time of the closing of the sliding door. It is an enlarged front view which shows the state of the opening start of the sliding door.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS.
In the figure, reference numeral 1 denotes a sliding door slidably provided to open and close the doorway 2 of the building. The lower end of the sliding door 1 is a lower frame 3 facing the horizontal direction of the doorway 2, and the upper end of the sliding door 1 is the doorway 2. Is supported by the upper frame 4 facing in the horizontal direction. When such a sliding door 1 closes the sliding door 1 strongly and vigorously, the door tip hits the vertical frame 5 of the doorway 2 to generate a large impact sound, and in particular, an automatic closing device (not shown) having a spring built in the upper end. In the case of the sliding door 1 provided with a), a phenomenon that a large impact sound is generated frequently occurs when the door end of the sliding door 1 hits the vertical frame 5 of the doorway 2 by the biasing force of the spring. Therefore, in the present embodiment, a bidirectional rotary damper 6 filled with oil and subjected to torque due to the resistance of the oil flow is attached to the upper end of the sliding door 1 in the vicinity of the door tip, and is horizontal from the center of the bidirectional rotary damper 6. The lower end of the V-shaped claw member 8 is fixed to the rotating shaft 7 protruding in the direction. When the V-shaped claw member 8 is viewed from the front, tip claw portions 9a and 9b bent inward are formed at the upper left and right ends. A torque is applied when the claw member 8 is tilted around the rotating shaft 7. By the way, the contact member 10 which contacts the tip claw portions 9a and 9b is attached to the lower surface of the upper frame 4 at a position close to the vertical frame 5 of the doorway 2. The bi-directional rotary damper 6 is attached to a plate portion 11a facing the up and down direction of the mounting bracket 11 having a substantially L-shaped side surface by screws 12 and nuts 13. The mounting bracket 11 is attached to the sliding door 1 by screws 14. It is fixed at the top near the door. The bidirectional rotary damper 6 and the V-shaped claw member 8 attached to the attachment fitting 11 are covered with a cover (not shown) attached to the attachment fitting 11.

  In the above configuration, when the sliding door 1 is opened, the left end claw portion 9a as viewed from the front abuts against the abutting member 10 and the claw member 8 rotates to tilt to the left as shown in FIG. The sliding door 1 is braked in a direction to be opened by the bidirectional rotary damper 6, and then the sliding door 1 is opened with the claw member 8 tilted to the left side. When the opened sliding door 1 is closed, the claw member 8 is closed while being tilted to the left side, but when the door of the sliding door 1 approaches the vertical frame 5 of the doorway 2, The rising claw portion 9b abuts against the abutting member 10 and the claw member 8 rotates so as to tilt to the right side as shown in FIG. 4. At that time, the sliding door 1 is closed in the direction closed by the bidirectional rotary damper 6. The brake is applied, and the door end of the sliding door 1 can be prevented from suddenly hitting the vertical frame 5 of the doorway 2.

  By the way, in this Embodiment, the bidirectional | two-way rotary damper 6 provided with the V-shaped nail | claw member 8 is attached to the door-end vicinity upper end of the sliding door 1, and when the sliding door 1 is closed, the door tip suddenly with respect to the vertical frame 5 is closed. The sliding door 1 is also provided with a bidirectional rotary damper 6 having a V-shaped claw member 8 and the abutting member 10 on the door bottom side of the sliding door 1 so that the sliding door 1 You may make it prevent the sudden collision of the door butt with respect to the vertical frame 15 which opposes the said vertical frame 5 when it opens. In this case, when the sliding door 1 is opened, the claw member 8 that is in contact with the contact member 10 provided on the lower surface of the upper frame 4 at a position close to the vertical frame 5 of the doorway 2 and tilted to the left side is tilted to the right. It is necessary to provide conversion means. When the sliding door 1 is fully opened, the claw member 8 is inclined to the left, and at the beginning of the closing of the sliding door 1, the claw member 8 abuts against the abutting member 10 and cushions the sliding door 1. The delay effect that temporarily delays the movement will be demonstrated, and it will be possible to pass through the entrances and exits of the elderly, disabled people, and wheelchairs.

  In this embodiment, the bidirectional rotary damper 6 provided with the V-shaped claw member 8 and the contact member 10 are provided on the upper end side of the sliding door 1, but can be provided on the lower end side. Further, the bidirectional rotary damper 6 provided with the V-shaped claw member 8 may be attached to the upper frame 4 or the lower frame 3 side, and the contact member 10 may be attached to the upper end side or the lower end side of the sliding door 1. When the bidirectional rotary damper 6 is attached to the upper end of the sliding door 1, the claw member 8 faces in a V shape. However, when the bidirectional rotary damper 6 is attached to the lower end of the sliding door 1, the claw member 8 has an inverted V shape. When the bidirectional rotary damper 6 is attached to the lower frame 3 side, the claw member 8 is V-shaped, but when the bidirectional rotary damper 6 is attached to the upper frame 4 side, the claw The member 8 comes to face in an inverted V shape.

  In the present embodiment, the bidirectional rotary damper 6 having the V-shaped claw member 8 is provided on the upper end side near the door tip of the sliding door 1 and on the lower surface of the upper frame 4 at a position close to the vertical frame 5 of the doorway 2. The contact member 10 is provided so that the door of the sliding door 1 can be prevented from abruptly hitting the vertical frame 5 of the doorway 2, but the length of the upper frame 4 is different from the contact member 10 similar to the above. By providing it in the vicinity of the central portion in the direction, the claw member 8 can be brought into contact with the two contact members 10 so as to have impact relaxation and a delay effect when the sliding door 1 is opened and closed. In this case as well, when the sliding door 1 is opened, the claw member 8 that is in contact with the contact member 10 provided on the lower surface of the upper frame 4 at a position close to the vertical frame 5 of the doorway 2 and tilted to the left is in the middle. It is necessary to provide conversion means for tilting to the right.

  The sliding door shock absorber may be appropriately selected according to the purpose in the manner described above. Further, a unidirectional rotary damper can be used instead of the bidirectional rotary damper 6.

DESCRIPTION OF SYMBOLS 1 Sliding door 2 Entrance / exit 3 Lower frame 4 Upper frame 5 Vertical frame 6 Bidirectional rotary damper 7 Rotating shaft 8 Claw member 9a, 9b Tip nail | claw part 10 Contact member 15 Vertical frame

Claims (3)

It is a sliding door shock absorber that is slidably provided to open and close the entrance of the building, and attaches a rotary damper to the upper frame of the sliding door or the horizontally facing lower frame of the entrance, and projects horizontally from the center of this rotary damper The lower end of the V-shaped claw member is fixed to the rotating shaft, and an abutting member that abuts the tip of the upper end of the V-shaped claw member is attached to the upper frame of the doorway or the lower end of the sliding door. A shock absorber for sliding doors. It is a sliding door shock absorber slidably provided to open and close the entrance of the building, and a rotary damper is attached to the lower end of the sliding door or the horizontal frame of the entrance and exits horizontally from the center of this rotary damper The upper end of the inverted V-shaped claw member is fixed to the rotating shaft, and a contact member that contacts the lower end of the inverted V-shaped claw member is attached to the lower frame of the doorway or the upper end of the sliding door. A shock absorber for sliding doors. The shock absorber for sliding doors according to claim 1 or 2, wherein a tip claw portion bent inward is formed at a tip portion of the claw member.

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