JP2003278409A - Vibration control device for residence - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dynamic damper type vibration control device with a drop out preventive mechanism composed of a simple constitution. <P>SOLUTION: A base member 3 as a mounting section to a beam 9 and a mass support member 5 integrally installed to a rubber section 1 on the reverse side to the side, on which the base member 3 is mounted, holding the rubber section 1 between the mass support member 5 and used for securing the mass 2 are set up while using a dynamic damper 10 composed of the rubber section 1 forming an elastic body and the mass 2 forming a mass body as a foundation. An engaging hole 55 is formed to a part of the mass support member 5. An engaging section 33 in which a front end section 333 is formed in a hooked form is fitted to a part of the base member 3. The engaging section 33 is inserted into the engaging hole 55, and the mass drop out preventive mechanism 7 is formed. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration damping device used for damping a beam in a steel-frame house, and more particularly to a mass having a predetermined mass and an elastic body having a predetermined spring constant. The present invention relates to a dynamic damper type vibration damping device for a house.

[0002]

2. Description of the Related Art Generally, in a steel-frame house, an iron frame material made of H-section steel or C-section steel is used for columns, beams, etc. forming the skeleton. Therefore, there is a problem that the damping force (damping characteristic) is inferior with respect to the floor and ceiling of the wooden house and the like. In consideration of such a point, a dynamic damper type vibration damping device provided on the beam or the like is disclosed in, for example, Japanese Patent Laid-Open No. 12-3.
It has been already publicly known by being published in Japanese Patent No. 55994.

[0003]

By the way, in the above-mentioned conventional device, the mechanism for preventing the falling of the mass forming the dynamic damper type vibration damping device is provided on the hook portion provided on the base plate side and on the mass side. It is composed of a combined recess portion and the like, and its structure has a complicated structure. Therefore, there is a problem that the productivity is not good and the manufacturing cost is inevitably high. In order to solve such a problem, each member (part) that forms the dynamic damper including the fall prevention mechanism section
The purpose of the present invention is to provide a dynamic damper type vibration damping device for a house, which is made of a simple shape, thereby reducing the overall manufacturing cost.
It is an object (problem) of the present invention.

[0004]

In order to solve the above-mentioned problems, the following measures are taken in the present invention. That is, according to the first aspect of the present invention, the dynamic damper type vibration damper for a house is provided at a beam of a steel frame house and includes a rubber portion forming an elastic body and a mass forming a mass body. Regarding the apparatus, a base member that serves as a base to which a rubber portion forming the dynamic damper is attached and also serves as a mounting bracket for attaching the dynamic damper to a beam, and a rubber member having a predetermined spring constant at the base member. And a mass receiving member that integrally holds the mass with the rubber portion is provided on the side of the rubber portion opposite to the side on which the base member is provided. An engaging hole is provided on one side of the member and the mass is inserted into the remaining member on the other side by the engaging hole. It was decided to adopt a configuration in which the provided engagement means for engaging so as not dropped.

By adopting such a constitution, in the present invention, the manufacturing cost of the entire vibration damping device can be reduced. That is, in the present invention, a mass having a simple shape is held by a mass receiving member, and at the same time, either one of the mass receiving member or the base member that functions as an attachment member to the beam is provided. A mass drop-off prevention mechanism is formed by engaging an engaging portion provided on the remaining member on the other side, for example, an engaging means including a hook portion, with an engaging hole provided in the member. As a result, the entire configuration including the mass dropout prevention mechanism can be formed with a simple mechanism. As a result, the manufacturing cost of the entire dynamic damper type vibration damping device for a house can be reduced.

Next, the invention according to claim 2 will be described. This one is also the same as the one described in claim 1 in the basic point. That is, according to the present invention, in the dynamic damper type vibration damping device for a house according to claim 1, the dynamic damping type vibration damping device is attached to the beam on each of the base member and the mass receiving member forming the dynamic damper. For mounting the mounting bolts provided on the beam and having a larger hole diameter than that formed on the base member while being formed on the mass receiving member. An insertion hole formed as described above is provided, and after the mounting bolt is inserted into the insertion hole having such a configuration, a predetermined nut is fastened to the insertion hole formed in the base member side. This dynamic damper is fixed to the beam. By adopting such a configuration, also in the case of the present invention, the manufacturing cost of the entire dynamic damper type vibration damping device for a house can be reduced as in the case of the first aspect. Particularly, in the present invention, the mounting bolts provided upright on the beam side are inserted into the insertion holes provided in the base member and the mass receiving member, and The dynamic damper can be attached to the beam by tightening a predetermined fastening nut. In addition, this makes it possible to form a mass dropout prevention mechanism,
It is possible to reduce the manufacturing cost of the entire dynamic damper type vibration damping device for a house having a mass dropout prevention mechanism.

[0007]

DETAILED DESCRIPTION OF THE INVENTION An embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the first embodiment is based on a dynamic damper 10 composed of a rubber portion 1 forming an elastic body and a mass 2 forming a mass body. And at such a dynamic damper 10,
A base member 3 that serves as a mounting bracket for mounting at a beam 9 made of steel, and a rubber member 1 integrated with the rubber member 1 on the side opposite to the side where the base member 3 is provided. And the above-mentioned mass 2
A mass receiving member 5 is provided for mounting. The mass receiving member 5 is provided with an engaging hole 55 having a predetermined shape at the protruding portion formed by protruding a part of the mass receiving member 5. There is. Further, an engaging portion having a hook-shaped tip portion 333 formed by protruding a part of the base member 3 upward and bending the tip portion thereof into a hook shape in a part of the base member 3. 33 is provided. The hook-shaped engaging portion 33 having such a configuration
The mass drop prevention mechanism 7 is formed by inserting the above into the engaging hole 55.

In such a structure, each member (part) forming the above-mentioned dynamic damper 10
The specific configuration of the above will be described with reference to FIG. First, the mass 2 is made of cast iron, an iron plate having a predetermined thickness, or the like, and has a block-like shape formed by cutting this into a predetermined size. Then, as shown in FIG. 1A, the mass receiving member 5 for holding the mass 2 is formed by forming a predetermined steel plate into a predetermined form by a press forming means or the like, and at the same time, The clip-shaped mass holding portion 51 is formed integrally with the portion. An engaging hole 55, which has a predetermined shape and into which an engaging portion (engaging means) 33 described later is inserted, is formed in a part of the mass holding portion 51.
Is to be provided.

Further, as shown in FIG. 1 (A), the base member 3 provided so as to make a pair with the mass receiving member 5 having the above-mentioned structure, like the mass receiving member 5, has a predetermined base on a steel plate. It is formed by press molding means or the like, and is formed by bending and forming a base portion 35 that is a base to which the rubber portion 1 forming the spring system is attached and the base portion 35 at a right angle. And a mounting portion 31 that contributes to mounting the dynamic damper 10 on the beam 9. In such a configuration, the engaging portion 33 is provided so as to project upward from the part of the base portion 35 in an upright state with respect to the base portion 35. The tip portion 333 of the engaging portion 33 is bent in a hook shape, and the main engaging portion 33 is shown in FIG.
As shown in FIG. 5, the engaging hole 5 provided in the mass receiving member 5
It is adapted to engage at this point in the state of being inserted into the member 5. Therefore, by engaging the engaging portion 33 in such an engaging hole 55, the mass drop prevention mechanism 7 of the dynamic damper 10 is formed (see (C) of FIG. 1).

As shown in FIG. 1A, a rubber portion 1 having a predetermined spring constant is provided between the mass receiving member 5 having such a structure and the base member 3. . As shown in FIG. 1B, the rubber part 1 is provided between the mass receiving member 5 and the base member 3 by using a predetermined vulcanizing adhesive means or the like so as to be integrated with these members 3 and 5. It is designed to be formed. When forming the rubber portion 1 by the vulcanizing and bonding means, the engaging portion 33 provided on the base member 3 side is attached to the mass receiving member 5.
The engaging hole 55 provided on the side is inserted in advance. In this way, although the mass receiving member 5 and the base member 3 are integrated with the rubber portion 1 therebetween, the clip-shaped mass holding portion 51 formed in the mass receiving member 5 Meanwhile, as shown in FIG. 1B, the mass 2 is mounted and the mass holding portion 51
Using a predetermined welding means 8, the two 2, 51 are connected to each other at the contact portion between the above and the mass 2. Further, the protector 6 made of a predetermined rubber material or soft plastic material is attached to the tip portion 333 of the engaging portion 33 formed in a part of the base member 3 thus integrated. To do. As a result, the dynamic damper 10 is formed (see FIG. 1C).

Next, a procedure for mounting the dynamic damper 10 having such a structure on the beam 9 will be described with reference to FIGS. 2 and 3. First, as shown in FIG. 2, the dynamic damper 10 having the above structure is brought to the beam 9, and the mounting hole 319 is provided at the mounting portion 31 of the base member 3 forming the dynamic damper 10. Then, the mounting bolt 91 provided on the beam 9 is inserted. Then, in such a state, a predetermined fastening nut 92 is attached to the attachment bolt 91 and is tightened. As a result, this dynamic damper 1
0 is attached to the beam 9 to form a dynamic damper type vibration damping device for a house (see FIG. 3). In this vibration damping device for a house, as shown in FIG. 3, the engaging portion (engaging means) 33 having the hook-shaped tip portion 333 provided at the base member 3 is integrated with the mass 2. The engaging hole 55 provided in the mass receiving member 5 formed at 1 is always engaged, and the drop-out prevention mechanism 7 for the mass 2 is formed. Further, a protector 6 made of a soft plastic material or the like is provided at the tip portion 333 of the engaging portion 33,
When the dynamic damper 10 is actuated, generation of metal contact noise from around the engaging portion 33 is suppressed.

Next, regarding the second embodiment of the present invention,
Description will be made with reference to FIGS. 4 and 5. This one is also the same as the first embodiment in the basic point. The difference lies in the mass drop prevention mechanism 7. That is, according to the present embodiment, the flat plate-shaped base member 3 made of a punched member such as a steel plate, the mass receiving member 5 also made of a press-formed product made of a steel plate, and the vulcanization provided between these members 3, 5 are provided. A rubber portion 1 provided integrally with both members 3 and 5 by an adhesive means and a mass having a predetermined mass, which is integrally attached to the mass receiving member 5 via welding means 8 and the like. It is basically composed of 2.

In such a structure, a part of the mass receiving member 5 and the base member 3, specifically, the side end portions of the flat plate-shaped portions of the both members 3 and 5,
As shown in FIG. 4, the insertion holes 59 and 39 are provided at the same pitch. As shown in FIGS. 4A and 4B, the through holes 59 and 39 have a hole diameter value provided on the mass receiving member 5 side (5
9) is provided on the base member 3 side (39)
It is set larger than. In particular,
What is provided on the base member 3 side (39) may be one having a diameter sufficient for inserting the mounting bolt 91 shown in FIG. 5, but what is provided on the mass receiving member 5 side (59) is It is necessary to set so that the fastening nut 92 attached to the mounting bolt 91, the nut runner socket for fastening the fastening nut 92, and the like have a sufficient diameter of the stupid hole.

The rubber portion 1 is interposed between the mass receiving member 5 and the base member 3 having such a structure by vulcanizing adhesive means.
And the mass holding portion 5 forming the mass receiving member 5 having the above-mentioned structure.
As shown in FIG. 4 (B), a mass 2 having a predetermined shape is mounted at the position 1, and a predetermined welding means 8 is applied to the mounting portion, so that a predetermined uniqueness is obtained. The dynamic damper 10 having the frequency is formed (see (C) of FIG. 4).

Next, the procedure for mounting the dynamic damper 10 according to the present embodiment having such a structure on the beam 9 will be described with reference to FIG. That is, the dynamic damper 10 is brought to the beam 9, and the dynamic damper 10 is mounted to the mounting bolt 91 provided upright on the bracket 99 provided on the beam 9. Specifically, as shown in FIG. 5A, the beam 9 is provided in both insertion holes 39 and 59 provided in the base member 3 and the mass receiving member 5 forming the dynamic damper 10. The mounting bolt 91 is inserted. Then, in such a state, the fastening nut 9 is placed at the mounting bolt 91 and at the insertion hole 39 formed on the base member 3 side.
Wear (fasten) 2. As a result, the dynamic damper 10 is mounted on the beam 9. In this state, as shown in FIG. 5B, the protector 6 made of a rubber material or a soft plastic material is attached to the attachment bolt 91. As a result, the portion of the mounting bolt 91 to which the protector 6 is mounted always engages with the insertion hole 59 provided in the mass receiving member 5, and the mass drop prevention is performed by these members 91 and 59. The mechanism 7 will be formed. In this way
Finally, as shown in FIG. 5C, the dynamic damper type housing damping device having the mass dropout prevention mechanism 7 is mounted on the beam 9.

[0016]

According to the present invention, a dynamic damper type vibration damper for a house, which is provided at a beam of a steel-framed house and comprises a rubber portion forming an elastic body and a mass forming a mass body, is provided. Regarding the apparatus, a base member that serves as a base to which a rubber portion that forms the dynamic damper is attached and that serves to attach the dynamic damper to a beam, and a rubber portion having a predetermined spring constant are integrally provided at the base member. A mass receiving member that holds the mass integrally with the rubber portion is provided on the side of the rubber portion opposite to the side on which the base member is provided.
Further, engaging means for providing an engaging hole on one side of the base member or the mass receiving member and engaging the remaining member on the other side with the engaging hole so as not to drop the mass. Since it is decided to adopt the configuration in which the above-mentioned configuration is adopted, the mass dropout prevention mechanism is formed in the engaging hole provided in one member and the hook-shaped engaging portion provided in the other member. As a result, it has become possible to form (manufacture) a dynamic damper type home vibration damping device having a mass dropout prevention mechanism with a simple mechanism at low cost.

Further, in the present invention, regarding the dynamic damper type vibration damping device for a house, each of the base member and the mass receiving member forming the dynamic damper is
A hole diameter for mounting the dynamic damper type vibration damping device on a beam, which is formed so that a mounting bolt provided on the beam is inserted and is formed on the mass receiving member, has a larger hole diameter. An insertion hole formed so as to have the above-mentioned configuration is provided, and after the mounting bolt is inserted into the insertion hole having such a configuration, a predetermined nut is inserted into the insertion hole formed on the base member side. Since the dynamic damper is fastened and fixed to the beam, the mass drop prevention mechanism can be formed with a simple structure. It has become possible to reduce the manufacturing cost.

[Brief description of drawings]

FIG. 1 is a developed perspective view showing the overall structure of a first embodiment of the present invention.

FIG. 2 is a view showing a procedure of mounting the thing according to the first embodiment on the beam.

FIG. 3 is a view showing a state in which the thing according to the first embodiment is attached to a beam.

FIG. 4 is a developed perspective view showing the overall structure of the second embodiment.

FIG. 5 is a view showing a procedure of mounting the thing according to the second embodiment on the beam.

[Explanation of symbols]

1 rubber part 2 trout 3 Base member 31 Mounting part 319 mounting hole 33 Engaging part (engaging means) 333 tip 35 Base 39 insertion hole 5 Mass receiving member 51 Mass holding unit 55 Engagement hole 59 insertion hole 6 protectors 7 Mass dropout prevention mechanism 8 Welding means 9 beams 91 Mounting bolt 92 Fastening nut 99 bracket 10 Dynamic damper

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Tatsuo Suzuki             Aichi Prefecture Kasuga-cho, Nishikasugai-gun Ochiai character Nagahata 1             Address within Toyoda Gosei Co., Ltd. (72) Inventor Minoru Toyoda             Aichi Prefecture Kasuga-cho, Nishikasugai-gun Ochiai character Nagahata 1             Address within Toyoda Gosei Co., Ltd. (72) Inventor Osamu Nakagaki             Aichi Prefecture Kasuga-cho, Nishikasugai-gun Ochiai character Nagahata 1             Address within Toyoda Gosei Co., Ltd. (72) Inventor Kei Tsubokawa             1 Toyota Town, Toyota City, Aichi Prefecture Toyota Auto             Car Co., Ltd. F-term (reference) 2E001 DG01 EA05 FA01 FA11 GA01                       HB02 HE01 KA01 LA01                 3J048 AA06 AD06 AD12 BF02 EA38

Claims (2)

[Claims] 1. A dynamic damper type vibration damping device for a house, which is provided at a beam of a steel-framed house and comprises a rubber portion forming an elastic body and a mass forming a mass body, wherein the dynamic damper is used. A base member that serves as a mounting bracket for mounting the dynamic damper to the beam, and a rubber portion having a predetermined spring constant integrally formed at the base member. A mass receiving member that holds the mass integrally with the rubber portion is provided on the side of the rubber portion opposite to the side where the base member is provided, and either one of the base member and the mass receiving member is provided. Engagement hole is formed in the other side and the other member on the other side is inserted into the engaging hole and engages so that the mass does not fall off. A vibration damping device for a house, characterized in that a means is provided. 2. The dynamic damper type vibration damping device for a house according to claim 1, wherein the dynamic damping vibration damping device is mounted on a beam for each of a base member and a mass receiving member forming the dynamic damper. Which is formed so that the mounting bolts provided on the beam can be inserted, and the one formed on the mass receiving member side has a larger hole diameter than the one formed on the base member side. An insertion hole formed as described above is provided, and after the mounting bolt is inserted into the insertion hole having such a configuration, a predetermined nut is fastened to the insertion hole formed in the base member side. A vibration damping device for a house, characterized in that the dynamic damper is fixed to a beam.