WO2018173642A1 - Dispositif de prévention de basculement - Google Patents

Dispositif de prévention de basculement Download PDF

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Publication number
WO2018173642A1
WO2018173642A1 PCT/JP2018/007095 JP2018007095W WO2018173642A1 WO 2018173642 A1 WO2018173642 A1 WO 2018173642A1 JP 2018007095 W JP2018007095 W JP 2018007095W WO 2018173642 A1 WO2018173642 A1 WO 2018173642A1
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WO
WIPO (PCT)
Prior art keywords
furniture
prevention device
damper
fall prevention
ceiling
Prior art date
Application number
PCT/JP2018/007095
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English (en)
Japanese (ja)
Inventor
将也 畦
太田　晶久
伸一 関根
敦士 豊内
武志 南澤
Original Assignee
Ｋｙｂ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ｋｙｂ株式会社 filed Critical Ｋｙｂ株式会社
Publication of WO2018173642A1 publication Critical patent/WO2018173642A1/fr

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  • the present invention relates to a fall prevention device.
  • Patent Document 1 discloses a conventional fall prevention device.
  • This overturn prevention device includes a damper and a pair of bases.
  • the damper is attached between the upper surface of the furniture installed on the floor and the ceiling.
  • the pair of base portions pivotally support both end portions of the damper so as to be rotatable around a rotation axis.
  • One base part contacts the upper surface of the furniture, and the other base part contacts the ceiling.
  • this fall prevention apparatus can make the damping force of a damper act on furniture, can suppress the inclination of furniture, and can prevent the fall of furniture.
  • the present invention has been made in view of the above-described conventional situation, and it is an object to be solved to provide an overturn prevention device that satisfactorily prevents overturn of an article installed on an installation surface.
  • the fall prevention device of the present invention is A pair of fall prevention device main bodies attached between the left and right ends of the upper surface of the article installed on the installation surface and the ceiling; A pair of anti-slip members sandwiched between the installation surface and the left and right ends of the lower surface of the article; It is characterized by having.
  • the anti-slip member of the fall prevention device of the present invention can be formed of a thermoplastic elastomer.
  • the fall prevention device main body of the fall prevention device of the present invention has an extension member that extends and is attached between the upper surface of the article and the ceiling, and the extension member can generate a biasing force in the extension direction.
  • the fall prevention device has at least one fall prevention device main body 20 attached between the upper surface of the furniture F and the ceiling C, and the floor surface G and the furniture F that are installation surfaces. At least one anti-slip member 38 is attached between the two.
  • the furniture F is installed on the floor surface G with the back surface facing a wall surface W extending in the vertical direction from the floor surface G.
  • the furniture F has a rectangular parallelepiped shape, and has a door, a drawer, etc. (not shown) on the front (right side in FIG. 1), and can store clothes, accessories, and the like inside.
  • the furniture F has a rectangular shape in which the horizontal cross-sectional shape is long in the left-right direction (the depth direction in FIG. 1). When the fall prevention device is not attached, the furniture F may be tilted forward (rightward in FIG. 1) due to shaking such as an earthquake.
  • the fall prevention device includes a fall prevention device main body 20 and an anti-slip member 38.
  • the fall prevention device main body 20 includes a damper 10 that is an extension member and a pair of base portions 30A and 30B.
  • the damper 10 includes a cylinder 11, a rod guide (not shown), a piston (not shown), a rod 13, and two joints 15 provided at both ends. ing.
  • the cylinder 11 has a bottomed cylindrical shape.
  • the rod guide seals the opening of the cylinder 11.
  • the piston is slidably inserted into the cylinder 11.
  • the rod 13 has a base end connected to the piston. Further, the rod 13 is inserted through the rod guide, and the tip side protrudes to the outside of the cylinder 11.
  • the cylinder 11 encloses hydraulic oil and compressed gas.
  • each joint portion 15 is formed by bending a flat metal fitting.
  • Each joint portion 15 is connected to the bottom of the cylinder 11 and the tip of the rod 13.
  • Each joint portion 15 is formed with a through hole 15 ⁇ / b> A penetrating in a direction orthogonal to the axis of the damper 10.
  • the damper 10 is a pressure damper in which the damping force generated during the contraction operation is larger than the damping force generated during the extension operation.
  • the extension operation of the damper 10 means an operation in which the length of the rod 13 protruding from the cylinder 11 (the entire length of the damper 10) becomes longer.
  • the contraction operation of the damper 10 means an operation in which the length of the rod 13 protruding from the cylinder 11 (the entire length of the damper 10) is shortened.
  • the expansion force of the compressed gas sealed in the cylinder 11 acts on the damper 10 in the extending direction. That is, the damper 10 generates a biasing force in the extending direction.
  • the mechanism (mechanism) in which the damping force of the damper 10 is generated is a well-known structure, and will not be described.
  • the cylinder 11 is partitioned into a rod-side pressure chamber in which the base end portion of the rod 13 is housed and an anti-rod-side pressure chamber by a piston inside.
  • the piston is formed with an orifice which is a throttle valve for communicating between the two pressure chambers.
  • the orifice functions as a damping force generator that generates a damping force by applying resistance to the flow of hydraulic oil between the rod-side pressure chamber and the non-rod-side pressure chamber accompanying the expansion / contraction operation of the damper 10.
  • the piston is formed with a communication passage that communicates between the pressure chambers via a check valve.
  • the check valve allows the flow of hydraulic oil from the rod side pressure chamber to the anti rod side pressure chamber, and prevents the reverse flow. For this reason, when the damper 10 is extended, the flow path of the hydraulic oil from the rod-side pressure chamber to the non-rod-side pressure chamber is a path between the orifice and the communication path. On the other hand, during the contraction operation of the damper 10, the flow path of the hydraulic oil from the non-rod side pressure chamber to the rod side pressure chamber is only the orifice. For this reason, the damping force generated during the extension operation of the damper 10 is smaller than the damping force generated during the contraction operation.
  • the pair of base portions 30 ⁇ / b> A and 30 ⁇ / b> B is a first base portion 30 ⁇ / b> A that connects the joint portion 15 connected to the bottom portion of the cylinder 11, and is connected to the distal end portion of the rod 13.
  • This is a second base portion 30B to which the joint portion 15 is connected.
  • the first base portion 30A is placed in contact with the upper surface of the furniture F, and the second base portion 30B is in contact with the ceiling C.
  • the first base portion 30A and the second base portion 30B have the same form and structure.
  • each of the base portions 30A and 30B includes a base portion main body 31, a bolt 45 and a nut 47 that are rotating shaft members, a bush 35, and an anti-slip member.
  • a portion 37 is provided.
  • the base portion main body 31 In a plan view when the first base portion 30A is viewed from above in a state of being placed in contact with the upper surface of the furniture F, the base portion main body 31 has a rectangular outer shape (hereinafter, the base portion main body 31 in the plan view).
  • the direction in which the long side extends in the outer shape is referred to as “long side direction”, and the direction in which the short side extends is referred to as “short side direction”.
  • the lower end edge of the base body 31 is linearly parallel to the upper surface of the furniture F.
  • the upper end edge has an arcuate outer shape that swells upward from both sides of the lower end edge (see FIG. 1).
  • the base body 31 has a substantially trapezoidal outer shape in which the upper edge is shorter than the lower edge when the first base 30A is viewed in the long side direction while being placed in contact with the upper surface of the furniture F. (See FIGS. 2 and 3).
  • the base portion main body 31 has a long side direction (the left-right direction in FIG. 1 and the depth direction in FIGS. 2 and 3) on the upper surface.
  • An elongated groove 41 is formed.
  • the groove portion 41 has a bottom surface 41A extending on a horizontal plane, and an inner wall surface 41B rising substantially vertically on both sides of the bottom surface 41A.
  • the bottom surface 41 ⁇ / b> A of the groove portion 41 extends substantially at the center in the vertical direction of the base portion main body 31.
  • the bottom surface 41A of the groove portion 41 is formed to have a constant width except for a portion where a pair of convex portions 43, 43 described later is formed.
  • the groove portion 41 is formed with a pair of convex portions 43 and 43 protruding from the bottom surface 41 ⁇ / b> A of the groove portion 41 and the inner wall surfaces 41 ⁇ / b> B and 41 ⁇ / b> B at the center in the long side direction.
  • a space in which the joint portion 15 of the damper 10 and a bush 35 described later are fitted is formed between the convex portions 43 and 43. This space communicates with the groove 41.
  • the distance between the inner wall surfaces 43A, 43A of the pair of convex portions 43, 43 (the length in the short side direction of the space) is slightly larger than the length of the bush 35 described later.
  • the pair of convex portions 43, 43 has an insertion hole 43B through which a shaft portion 45B of a bolt 45 (described later) is inserted in the upper center in the short side direction.
  • the base portion main body 31 is formed with depressions 42 at the center portion in the long side direction and on both sides of the groove portion 41. Yes.
  • the recess 42 is open outward in the upward direction and the short side direction.
  • an insertion hole 43 ⁇ / b> B penetrating the convex portion 43 is opened in the side surface of the hollow portion 42.
  • a head 45A of a bolt 45 described later and a nut 47 screwed into the bolt 45 are arranged in the recess 42.
  • this hollow part 42 is formed so that it may expand in a long side direction as it goes upwards. Thereby, it is easy to fit the tool to the head 45A of the bolt 45 and the nut 47 from above.
  • the base body 31 is hollow as shown in FIG.
  • the base portion main body 31 opens downward in the first base portion 30A in a state where it is placed in contact with the upper surface of the furniture F.
  • the rotating shaft member is composed of a bolt 45 inserted from one of the insertion holes 43B of the base body 31 and a nut 47 screwed into the shaft 45B of the bolt 45. ing.
  • the central axis of the bolt 45 becomes the rotation axis of the damper 10 in each base portion 30A, 30B.
  • a configuration may be adopted in which a cylindrical pin (pin) is used instead of the bolt 45 and a push nut is used instead of the nut 47.
  • the bush 35 is substantially cylindrical as shown in FIG.
  • the bush 35 is an elastic body.
  • the length of the bush 35 is slightly smaller than the interval between the inner wall surfaces 43A and 43A of the pair of convex portions 43 and 43 provided on the base portion main body 31.
  • the bush 35 is formed with a recess 35 ⁇ / b> A that goes around the outer peripheral surface of the central portion.
  • the outer diameter of the recess 35 ⁇ / b> A is slightly smaller than the inner diameter of the through hole 15 ⁇ / b> A formed in the joint portion 15 of the damper 10.
  • the outer diameter of the portion rising from both ends of the recess 35 ⁇ / b> A of the bush 35 is larger than the inner diameter of the through hole 15 ⁇ / b> A formed in the joint portion 15 of the damper 10. Moreover, the outer peripheral surface 35B of the both ends of the bush 35 is reduced in diameter outward. For this reason, the bush 35 is inserted into the through hole 15 ⁇ / b> A formed in the joint portion 15 of the damper 10 while being elastically deformed. The bush 35 is attached to the joint portion 15 of the damper 10 with the recess 35A fitted in the through hole 15A.
  • the inner diameter of the bush 35 is slightly larger than the outer diameter of the shaft part 45B of the bolt 45. Further, the bush 35 has inner peripheral surfaces 35C at both ends that are expanded in the outward direction. For this reason, the bush 35 is rotatable around the shaft portion 45 ⁇ / b> B of the bolt 45. Further, the bush 35 can be inclined with respect to the shaft portion 45B of the bolt 45 as long as the inner peripheral surfaces 35C of both end portions whose diameters have been expanded come into contact with the outer peripheral surface of the shaft portion 45B of the bolt 45. That is, the damper 10 having the bush 35 attached to the joint portion 15 is rotatable around the shaft portion 45B of the bolt 45 and is swingable in a direction crossing the rotation direction. Specifically, the rocking occurs due to the dimensional allowance and the diameter increase of the inner peripheral surface 35C. Furthermore, the elastic deformation of the bush 35 allows the damper 10 to swing more greatly in the direction crossing the rotational direction.
  • the anti-slip portion 37 has a similar (rectangular) outer shape slightly larger than the outer shape of the base portion main body 31.
  • the anti-slip portion 37 is made of rubber, flexible thermoplastic resin, or the like. Further, the anti-slip portion 37 is fitted into the lower end opening of the base portion main body 31 in the first base portion 30 ⁇ / b> A in a state of being placed in contact with the upper surface of the furniture F.
  • skid part 37 is a substantially flat plate. Specifically, the anti-slip portion 37 is formed such that the upper surface of the furniture F or the surface that contacts the ceiling C is flat.
  • the anti-slip member 38 has a plate-like square outer shape. Specifically, the anti-slip member 38 has a flat plate thickness of about 3 mm and a side length of about 70 mm.
  • the anti-slip member 38 is made of a flexible styrene-based thermoplastic elastomer.
  • the thermoplastic elastomer has a flexibility such as rubber, resilience, and a larger coefficient of friction than other synthetic resins, and can be molded in the same manner as other synthetic resins. It is.
  • the anti-slip member 38 is installed between the floor surface G and the furniture F.
  • bushes 35 are fitted into the through holes 15A formed in the two joint portions 15 provided at both ends of the damper 10, and the bushes 35 are attached to the joint portions 15 of the damper 10.
  • one of the joint portions 15 of the damper 10 to which the bush 35 is attached is inserted between the pair of convex portions 43 and 43 formed on the base portion main body 31.
  • the shaft portion 45B of the bolt 45 is inserted into the insertion hole 43B and the bush 35 of the base portion main body 31, and the nut 47 is screwed into the shaft portion 45B of the bolt 45.
  • the base portion main body 31 is connected to one of the joint portions 15 of the damper 10.
  • the base portion main body 31 is connected to the other joint portion 15 of the damper 10.
  • the head 45 ⁇ / b> A and the nut 47 (both ends of the rotating shaft member) of the bolt 45 are positioned symmetrically with respect to the central axis of the damper 10 in the recess 42 of the base body 31.
  • skid part 37 is fitted to each base part main body 31 connected with the both ends of the damper 10, and the assembly
  • the fall prevention device main body 20 is configured.
  • each base part 30A, 30B has the joint part 15, and has connected each of the both ends of the damper 10 so that rotation around the rotating shaft is possible.
  • the bush 35 has inner peripheral surfaces 35C at both end portions that are expanded in the outward direction.
  • the bush 35 can be tilted with respect to the rotation shaft in a range in which the inner peripheral surfaces 35C of both end portions of the bush 35 whose diameters are expanded are in contact with the outer peripheral surface of the shaft portion 45B of the bolt 45. Specifically, the rocking occurs due to the dimensional allowance and the diameter increase of the inner peripheral surface 35C. Further, the bush 35 is an elastic body, and the damper 10 can swing more greatly in the direction intersecting the rotation direction by being elastically deformed. As described above, the damper 10 connected to each of the base portions 30A and 30B can swing in a direction crossing the rotation direction.
  • the non-slip member 38 is installed between the floor G and the furniture F. At this time, the non-slip member 38 is installed between the floor G and the lower end of the front end of the furniture F.
  • the first base portion 30A is placed with the non-slip portion 37 in contact with the upper surface of the furniture F on the wall surface W side.
  • the shaft portion 45B (rotating shaft) of the bolt 45 of the first base portion 30A is in a direction in which the furniture F tilts due to shaking such as an earthquake. It extends in the direction perpendicular to the direction. That is, when the furniture F is tilted forward (rightward in FIG.
  • the first base portion 30A can be kept in contact with the upper surface of the furniture F.
  • the base portion 30A is placed on the upper surface of the furniture F.
  • the position where the first base portion 30A is brought into contact with the upper surface of the furniture F is directly above the anti-slip member 38 in the front view of the furniture F viewed from the front (see FIG. 2).
  • the damper 10 of the fall prevention device main body 20 is compressed.
  • the damper 10 is compressed to such an extent that a gap is provided between the second base portion 30B and the ceiling C.
  • the damper 10 is tilted.
  • the inclination angle of the damper 10 is set between 15 ° and 25 ° with respect to the vertical direction.
  • the second base portion 30B is arranged such that the shaft portion 45B (rotation shaft) of the bolt 45 of the second base portion 30B is parallel to the shaft portion 45B (rotation shaft) of the bolt 45 of the first base portion 30A. Correct the direction of.
  • each 1st base part 30A of a pair of fall prevention apparatus main body 20 is the right-and-left both ends of the upper surface of the furniture F, Comprising: In the front view which looked at the furniture F from the front, it arrange
  • the pair of fall prevention device main bodies 20 are attached between the left and right ends of the upper surface of the furniture F installed on the floor G and the ceiling C.
  • each damper 10 is set at an angle of 15 ° to 25 ° with respect to the vertical direction.
  • the second base portion 30B is arranged such that the shaft portion 45B (rotation shaft) of the bolt 45 of the second base portion 30B is parallel to the shaft portion 45B (rotation shaft) of the bolt 45 of the first base portion 30A. The direction of is corrected and brought into contact with the ceiling C.
  • the axis of the damper 10 extending from the ceiling C side to the upper surface side of the furniture F is inclined downward, and is a plan view viewed from above.
  • the damper 10 is attached in a state in which the axis of the damper 10 extends in parallel with the direction in which the furniture F is inclined due to shaking such as an earthquake (right direction in FIG. 1). For this reason, when the furniture F is tilted forward (rightward in FIG. 1) due to shaking such as an earthquake and the upper surface of the furniture F approaches the ceiling C, the damper 10 reliably contracts and attenuates. Generate power.
  • this fall prevention device can make the damping force which generate
  • the anti-slip member 38 installed between the floor G and the lower end of the front end of the furniture F can prevent the lateral position of the furniture from shifting due to shaking such as an earthquake.
  • this fall prevention device the pair of anti-slip members 38 are sandwiched between the floor G and the left and right ends of the lower surface of the furniture F.
  • this fall prevention device can prevent the position in which the furniture F was installed by shaking, such as an earthquake, shifting.
  • the fall prevention device main body 20 of this fall prevention device deviates from the state initially attached between the upper surface of the furniture F and the ceiling C, and the effect
  • the fall prevention device of the present invention can favorably prevent the furniture F installed on the floor G from toppling over.
  • the anti-slip member 38 of this overturn prevention device is formed of a thermoplastic elastomer. For this reason, since the anti-slip member 38 of this fall prevention device is hard to change in quality as compared with rubber or the like, it is difficult to stick to furniture F or the floor G, and components such as oil components do not ooze out (shift). Thereby, the anti-slip
  • the fall prevention device main body 20 of the fall prevention device has a damper 10 that extends and attached between the upper surface of the furniture F and the ceiling C, and the damper 10 generates a biasing force in the extending direction. For this reason, this fall prevention device can press the furniture F against the anti-slip member 38 sandwiched between the floor G and the furniture F by the urging force generated by the fall prevention device main body 20. Thereby, this fall prevention device can suppress more favorably that the position of the furniture F shifts
  • the fall prevention device is attached to the furniture, but may be attached to an article such as a bookcase or a refrigerator that may fall over due to shaking such as an earthquake.
  • the fall prevention device is attached to the furniture placed on the floor with the back face facing the wall, but the furniture placed on the floor without being adjacent to the wall May be attached to.
  • each base portion is connected to both ends of the damper so as to be rotatable around the rotation axis and swingable in a direction crossing the rotation direction. It is not necessary to connect, and it is not necessary to connect so that rocking is possible.
  • a pressure-effective damper is used.
  • a dual-effect damper may be used as long as it exhibits a predetermined damping force during a contracting operation.
  • a damper in which hydraulic oil and compressed gas are sealed in a cylinder is used.
  • a liquid pressure damper in which another liquid is sealed is used as long as it generates a predetermined damping force during a contracting operation.
  • other types of dampers may be used.
  • the compressed gas is sealed in the cylinder so that the expansion force of the compressed gas acts in the extension direction.
  • the force acting in the extension direction may be generated by other methods such as a coil spring. .
  • each base part is not limited to the form of the embodiment.
  • the dimension of one side of the anti-slip member may be smaller than 70 mm or larger than 70 mm.
  • the plate thickness of the anti-slip member may be smaller than 3 mm or larger than 3 mm.
  • it does not need to be a square shape, and may be a disk shape or a polygonal shape.
  • the position where the first base portion is brought into contact with the upper surface of the furniture is directly above the anti-slip member in the front view of the furniture viewed from the front, but is not limited thereto.
  • the anti-slip member is formed of a styrene-based thermoplastic elastomer, but may be formed of other thermoplastic elastomers such as a polyurethane or a polyester polyester. Further, the anti-slip member may be formed of rubber or the like.

Abstract

L'invention concerne un dispositif de prévention de basculement qui permet d'empêcher de manière satisfaisante le basculement de meubles placés sur une surface de sol. Le dispositif de prévention de basculement est équipé : d'une paire de corps de dispositif de prévention de basculement (20) fixés respectivement entre un plafond (C) et les extrémités gauche/droite de la surface supérieure du meuble (F) placé sur une surface de sol (G) ; et une paire d'éléments antidérapants (38) pris respectivement en sandwich entre la surface de sol (G) et les extrémités gauche/droite de la surface inférieure du meuble (F).
PCT/JP2018/007095 2017-03-22 2018-02-27 Dispositif de prévention de basculement WO2018173642A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-055471 2017-03-22
JP2017055471A JP2018157877A (ja) 2017-03-22 2017-03-22 転倒防止装置

Publications (1)

Publication Number Publication Date
WO2018173642A1 true WO2018173642A1 (fr) 2018-09-27

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Application Number Title Priority Date Filing Date
PCT/JP2018/007095 WO2018173642A1 (fr) 2017-03-22 2018-02-27 Dispositif de prévention de basculement

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3021136U (ja) * 1995-07-31 1996-02-16 セイヨー電子株式会社 転倒防止具、横滑り防止具及び耐震用家具保定具
JP3121425U (ja) * 2006-02-22 2006-05-18 浅香工業株式会社 家具等の転倒防止具および家具等の転倒防止装置
JP2006333921A (ja) * 2005-05-31 2006-12-14 Takanori Sato 家具転倒防止方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3021136U (ja) * 1995-07-31 1996-02-16 セイヨー電子株式会社 転倒防止具、横滑り防止具及び耐震用家具保定具
JP2006333921A (ja) * 2005-05-31 2006-12-14 Takanori Sato 家具転倒防止方法
JP3121425U (ja) * 2006-02-22 2006-05-18 浅香工業株式会社 家具等の転倒防止具および家具等の転倒防止装置

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