JP2007077779A - Soundproof door roller and sound arrester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a soundproof door roller superior in durability and usability, and lightly opening and closing a sliding door, without substantially causing abrasion of a wheel. <P>SOLUTION: A wheel of the door roller is composed of a rotary cylindrical body rotatably pivoted on a fixed shaft for supporting the wheel by an installation frame body and a rotary ring composed of a metallic or hard synthetic resin for rolling in a door roller rolling groove of a rail for the door roller. A sound absorbing member such as rubber is integrally interposed between the rotary cylindrical body and the rotary ring. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a soundproof door pulley mainly attached to a sliding door, and also relates to a soundproofing device capable of obtaining a complete soundproofing effect by combination with a soundproof rail.

Known Document 1

  Utility Model Registration No.2531227

  Conventionally, as a device for preventing noise generated from a door car, there is a soundproof door car described in Japanese Utility Model Registration No. 25312727 and a soundproof rail shown in FIG.

  The former soundproof door is a structure made of a soft synthetic resin elastic ring that contacts the door rolling groove of the door rolling wheel of the rail body. It is used to prevent rotational noise generated by rolling of the door roller.

  The latter soundproof rail is a soundproof rail previously proposed by the applicant of the present invention. A rail body c having a door rolling section a on the upper surface and a cushioning material b such as rubber on the lower surface is provided in the casing d. The structure housed in the door prevents the sound generated from the door roller e rolling on the door rail from being transmitted directly to the floor or sill. The vibration from the rail body is alleviated to the downstairs.

  That is, both the above-mentioned soundproof door and soundproof rail are designed to prevent noise generated from the portion where the door and the rail come into contact.

  However, since the former soundproof door is a structure in which the portion of the rail body that contacts the door rolling groove of the rail that contacts the door rolling groove is an elastic ring made of soft synthetic resin, The elastic annulus is deformed by the load of the sliding door, the frictional resistance increases, the rolling of the wheel becomes heavy, and the opening and closing of the sliding door is heavy, and the soft synthetic resin constituting the elastic annulus is worn Since it is easy to do and has a property of deteriorating with time, there is a problem that it cannot be used over a long period of time, so that practical application is difficult.

Object of the invention

  A first object of the present invention is to provide a soundproof door with little wear of wheels, excellent durability, and light opening / closing of the sliding door.

  The second object of the present invention is to provide a soundproof housing in which a rail main body having a door rolling groove on which the soundproof doorroll rolls on the upper surface and a cushioning material such as rubber integrated on the lower surface is housed in a casing. An object of the present invention is to provide a soundproofing device that can substantially completely prevent noise generated by a doorcar by combining with a rail.

Means for solving the problem

  In order to achieve the first object of the present invention, a soundproof door according to claim 1 is a rotating cylindrical body in which a wheel of the door wheel is pivotally supported on a fixed shaft for supporting the wheel on a mounting frame. And a rotating ring made of a metal or hard synthetic resin that rolls on the rolling wheel of the door roller of the door roller, and integrated with a sound absorbing member such as rubber interposed between the rotating cylinder and the rotating ring. It is characterized by.

  In order to achieve the second object of the present invention, a soundproofing device according to a second aspect of the present invention is a rotating cylindrical body in which a wheel of a door wheel is pivotally supported by a fixed shaft for supporting the wheel on a mounting frame. And a rotating ring made of a metal or hard synthetic resin that rolls in the rolling groove of the door roller of the door roller, and is integrated with a sound absorbing member such as rubber interposed between the rotating cylinder and the rotating ring. A combination of a door wheel and a structure in which a rail body having a door wheel rolling groove on which the soundproof door wheel rolls on the upper surface and a cushioning material such as rubber is integrated on the lower surface is housed in a casing. It is.

Effect of the invention

  In the invention of claim 1, the wheel of the door wheel is made of a metal that rolls in the door wheel rolling groove of the rotating cylinder and the door wheel rail rotatably supported on a fixed shaft for supporting the wheel on the mounting frame. It is composed of a rotating ring made of hard synthetic resin, and a sound absorbing member such as rubber is interposed between the rotating cylinder and the rotating ring, so that when the rotating ring rolls in the door rolling groove of the door rail The sound generated from the wheels is not transmitted to the sliding door by being absorbed by the sound absorbing member until the generated sound is transmitted to the mounting frame that is directly attached to the sliding door.

  In the invention of claim 2, the soundproof door of the invention of claim 1 and the rail main body having an impeller rolling groove for rolling the soundproof door on the upper surface and integrated with a cushioning material such as rubber on the lower surface are provided in the casing. Since the soundproof rail stored in the door is combined, it is possible to prevent the sound generated from the wheels and the sound generated from the door roller rolling on the door rail from being transmitted directly to the floor or the sill.

  FIG. 1 is a front view of a soundproof door according to the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a longitudinal side view taken along line AA of FIG.

  In the drawing, 1 is a soundproof door of the present invention, 2 is a wheel constituting the door, 3 is an attachment frame for attaching to the lower end of a sliding door D that supports the wheel, and vertical side plates 3- 1 and 3-1, the wheel 2 is attached by a fixed shaft 3-2.

  The wheel 2 rolls on a rotating cylindrical body 2-1 rotatably supported via a bearing B on a fixed shaft 3-2 for supporting the wheel on the mounting frame 3, and a door rolling groove of a door rail. And a rotating ring 2-2 made of metal or hard synthetic resin, and a sound absorbing member 2-3 such as rubber is interposed between the rotating cylinder 2-1 and the rotating ring 2-2.

  Since the soundproof door pulley of the present invention is configured as described above, even if noise is generated from the rotating ring 2-2 that rolls on the rail for the door wheel, sound absorption is performed between the rotating ring 2-2 and the rotating cylindrical body 2-1. Since the member 2-3 is interposed, the generated noise is absorbed by the sound absorbing member 2-3 and is not transmitted to the fixed shaft 3-2, that is, the mounting frame 3. Therefore, the sound generated from the wheels is transmitted to the sliding door. In addition, the noise generated by the wheels is prevented.

  FIG. 4 is a longitudinal side view of a state in which the door rail that constitutes the soundproofing device according to the present invention is fitted into the groove of the floor or the sill, and FIG. 5 is a diagram of the door rail on the door rail that constitutes the soundproofing device according to the present invention. It is a vertical side view of the state which the soundproof door roller of Claim 1 rolls.

  In FIG. 4, reference numeral 4 denotes a door rail rail constituting the soundproofing device according to the present invention, which fits a rail body 5 and a protrusion 51 having an arbitrary shape such as a columnar shape formed on the lower surface of the rail body 5. Thus, the cushioning material 6 made of a rubber or the like, which is integrated by doing so, and a casing 7 that houses the rail body 5 in which the cushioning material 6 is integrated.

  Further, both side walls of the rail body 5 are inclined so as to be narrowed inwardly upward so that the rail body 5 does not come into contact with the inner wall of the casing even if the rail body 5 is swung to the right and left in use when the rail body 5 is fitted into the casing 7. .

  A plurality of serrated ridges 7-1 are formed on the outer side surface of the casing 7 so as to bite into the side wall of the groove when fitted into the groove formed on the floor or sill, and to prevent the inner side surface from being removed. A plurality of sawtooth-shaped ridges 7-2 are formed on the lower side of the rails so that when the cushioning material 6 integrated with the rail body 5 is fitted, the side walls of the cushioning material 6 are bitten and prevented from coming off. Yes.

  In addition, flanges 7-3 and 7 which cover the gap between the casing 7 and the groove when fitted in the groove of the floor or the sill at the left and right upper ends of the casing 7 and prevent foreign matters such as dust from entering. -3 is formed.

  Since the soundproof rail constituting the soundproofing device of the present invention according to claim 2 is configured as described above, a rail body having a door rolling groove on the upper surface and a cushioning material such as rubber integrated on the lower surface is provided in the casing. Since it is housed, it is possible to prevent the sound generated from the door roller rolling on the door rail from being transmitted directly to the floor or sill.

  Therefore, as shown in FIG. 5, if this soundproof rail and the soundproof door are combined, noise generated by the door can be eliminated.

The invention's effect

As described above, according to the soundproof door according to the first aspect of the present invention, the wheel of the door wheel and the door wheel are rotatably supported on the fixed shaft for supporting the wheel on the mounting frame. It is composed of a rotating ring made of metal or hard synthetic resin that rolls on the rolling wheel rolling groove of the rail, and a sound absorbing member such as rubber is interposed between the rotating cylinder and the rotating ring. The sound generated when rolling the door roller rolling groove of the rail is transmitted to the mounting frame that is directly attached to the sliding door and absorbed by the sound absorbing member, and the sound generated from the wheels is transmitted to the sliding door. In addition, the noise generated by the wheels is prevented.

  In addition, according to the soundproofing device of the present invention of claim 2, the soundproof door of the invention of claim 1, the door roller rolling groove on which the soundproof door roller rolls on the upper surface, and a cushioning material such as rubber on the lower surface Since the rail body that integrates the rail with the soundproof rail housed in the casing, the sound generated from the wheel rotation shaft and the sound generated from the door roller rolling on the door rail are not transmitted directly to the floor or sill. Thus, the noise generated by the door can be eliminated, and the living environment can be improved by eliminating the noise associated with the opening and closing of the sliding door.

  1 is a front view of a soundproof door according to the present invention.   It is the same top view.   It is a vertical side view in the AA line of FIG.   It is a vertical side view of the state which fitted the rail for door cars which constitutes the soundproofing device concerning the present invention in the groove of a floor or a sill.   It is a vertical side view of the state in which the soundproof door roller of Claim 1 rolls on the rail for the doorwheel which comprises the soundproofing device which concerns on this invention.   It is a perspective view of a soundproof rail.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Soundproof door pulley 2 Wheel 3 Mounting frame 4 Door rail

Claims (2)

  Rotating ring made of metal or hard synthetic resin that rolls in the door rolling groove of the door wheel rail and the rotating cylinder that rotatably supports the wheel of the door wheel on the fixed shaft for supporting the wheel on the mounting frame. A soundproof door pulley, wherein a sound absorbing member such as rubber is interposed between the rotating cylinder and the rotating ring.   Rotating ring made of metal or hard synthetic resin that rolls in the door rolling groove of the door wheel rail and the rotating cylinder that rotatably supports the wheel of the door wheel on the fixed shaft for supporting the wheel on the mounting frame. And a soundproof door wheel integrated with a sound absorbing member such as rubber interposed between the rotating cylinder and the rotating ring, a top wheel having a door roller rolling groove on which the soundproof door wheel rolls, and a rubber on the bottom surface. A soundproofing device, which is combined with a structure in which a rail main body integrated with a cushioning material such as is housed in a casing.

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