JP2008206722A - Fall preventer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fall preventer which can effectively prevent the falling and movement of utensils and information devices while maintaining the fall prevention effect for a longer period of time in case of the outbreak of a large-scale earth quake and even when a sudden accident occurs where working forces are instantaneously generated with people and objects bumping against them. <P>SOLUTION: The fall preventer 1 is provided with a deflectable rope body 2 formed by covering a metallic core material 2b with a synthetic resin 2a, a cylindrical male member 11 made of a synthetic resin, which is set up in the direction of one end of the rope body 2 and has its outer peripheral surface so formed as to be tapered in the direction of the tension of the rope body 2, a cylindrical male member 21 made of a synthetic resin, which is arrayed in the direction of the other end of the rope body 2 and has its outer peripheral surface so formed as to be tapered in the direction of the tension of the rope body 2, female members 12 and 22 respectively fitted onto the cylindrical male members 11 and 21 and fixing devices 13 and 23 which get the female members 12 and 22 rotatably pivoted by them while being securely tied onto an object. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a tipping prevention device that can effectively prevent not only the fixtures and information devices existing in offices and homes from falling, but also the movement.

  When a large-scale earthquake occurs, or when an unexpected accident occurs where people or objects collide with each other and momentary force is applied, fixtures and information devices existing in offices and homes can easily fall over. Since there are many, the fall prevention instrument is developed conventionally.

  The screw fixing type, which is a tributary as a fall prevention device, needs to make a mounting hole in the wall or ceiling that corresponds to the mounting position of the fixing brackets, so as a fall prevention device for fixtures and information equipment existing in offices and homes , It is shunned from the point of detracting from aesthetics. Therefore, for prevention of overturning of fixtures and information equipment, for example, as shown in Patent Document 1, a tipping prevention device comprising a plastic belt and a fixing portion having adhesive surfaces at both ends of the plastic belt. In general, a strap type is used in which one fixing portion is bonded and fixed to the installation surface, and the other fixing portion is bonded and fixed to a side surface or the back surface of a fixture or information device.

On the other hand, in recent years, it is important for corporations not to interrupt their business as much as possible when they encounter a major earthquake, and even if the business is unavoidably suspended, it will resume its business as soon as possible. Therefore, a plan to pursue business continuity, the “Business Continuity Plan (BCP)” is being promoted. According to the BCP guidelines, even if the building is safe in the event of an earthquake, it will take time to recover if equipment or incidental equipment is damaged. It is recommended that it is important to take measures to prevent falls. In particular, securing the safety of personnel from a fall prevention accident caused by fixtures and information equipment such as lockers in the office is an important factor in executing BCP, and it is necessary to proceed with fixing fixtures and information equipment.
JP 2005-31842 A

  However, in the invention described in Patent Document 1, for example, when a large earthquake with a seismic intensity of about 6 occurs, the plastic belt-like flat plate breaks or the hole of the bag housing part where the force concentrates breaks down. There were cases where it was not very effective in preventing the fall of furniture and information equipment.

  In addition, in the conventional strap type, even if a fall prevention device is provided and fixed at a plurality of places, if one place breaks, it will be broken in a chain, so it is not effective in preventing falls of furniture and information equipment. There was a case.

  Furthermore, with the conventional strap type, even if the fall prevention device is firmly fixed to the wall or desk and fixtures or information equipment, the fixing function will deteriorate over time and the fall prevention effect will be insufficient. There was a problem that there was also.

  On the other hand, changes in the layout of offices and homes are made as appropriate, and information equipment has a short life cycle, so it is often replaced in a short period of time. If it is firmly fixed to fixtures and information equipment, it is difficult to remove the fall prevention device, and if the fall prevention device is removed, the exterior of the fixtures and information device may be damaged, resulting in a loss of aesthetics. There was a case of becoming.

  The purpose of the present invention is that even if a large-scale earthquake occurs or an unexpected accident occurs in which a person or an object collides with an object and momentary force is applied, An object of the present invention is to provide a tipping prevention device that can effectively prevent movement and can retain a tipping prevention effect for a long period of time, and can be easily attached and detached.

  The inventors of the present invention have studied conventional fall prevention devices from various points to sort out the problems, and based on the following four conditions, the fall of furniture and information equipment in offices and homes is effective. A fall prevention tool was designed to prevent this. (1) Do not affect the functions and exterior of fixtures and information equipment. (2) It is necessary to improve as much as possible the elements related to the deterioration of the fixed function and to maintain the fall prevention effect over a long period of time. (3) It must be strong enough to withstand strong vibration earthquakes. (4) It has a function to change the mounting height corresponding to various installation environments.

  Then, the inventors of the present invention examine what is necessary for lifesaving, regarding a furniture overturning tool that can withstand the data of the “Japan Architecture Center (BCJ)”, which is capable of continuing business and has severe conditions. As a result of various studies and diligent efforts, the present invention has been completed.

  That is, the fall-preventing device of the present invention comprises a flexible cable body and a first cable body through hole that is installed in one end direction of the cable body and extends in the longitudinal direction to penetrate the cable body. A first cylindrical male member made of resin, a first female member having a first fitting hole for fitting with the first cylindrical male member, and the first female member being rotatable A first fixing tool that is pivotally supported and fastened to the first object, and a second cable body through hole that is installed in the other end direction of the cable body and extends in the longitudinal direction to penetrate the cable body A second cylindrical male member made of synthetic resin, a second female member having a second fitting hole for fitting with the second cylindrical male member, and a second female member rotating A fall prevention device including a second fixing device that is pivotally supported and fastened and fixed to a second object, wherein the cord body is a wire in which a metal core material is covered with a synthetic resin. The first The cylindrical male member has a first outer peripheral surface tapered in the tension direction of the cable body, and the second cylindrical male member has a second outer peripheral surface formed with a tension of the cable body. It is characterized by being formed in a tapered shape that tapers in the direction.

  In the overturn prevention device of the present invention, the first tubular male member is continuous with the first cord body through hole and communicates the first cord body through hole with the first outer peripheral surface. The second cylindrical male member is continuous with the second cord through hole, and the second cord through hole and the second outer peripheral surface are provided. A configuration in which one second slit that communicates with each other is provided can be employed.

  In the overturn prevention device of the present invention, the first female member has a metal on the inner surface of the first fitting hole, and the second female member has a metal on the inner surface of the second fitting hole. The configuration described above can be adopted.

  By using the fall-prevention device of the present invention, even when a large-scale earthquake occurs or when an unexpected accident occurs in which a person or an object collides with a momentary force, There is an advantage that a fall and a movement can be prevented effectively.

  The fall prevention tool of this invention has the advantage that it can hold | maintain the fall prevention effect over a long term.

  The overturn prevention device of the present invention has the advantage that it can be easily detached and cleaned.

  Embodiments of the present invention will be described with reference to the drawings. The fall prevention device 1 of the present invention includes a cable body 2, a first cylindrical male member 11 installed in one end direction of the cable body 2, and a first female member fitted to the first cylindrical male member 11. 12, a first fixture 13 that pivotally supports the first female member, a second cylindrical male member 21 installed in the direction of the other end of the cord body 2, and a second cylindrical male A second female member 22 fitted to the member 21 and a second fixture 23 that pivotally supports the second female member 22 are provided (FIGS. 1 and 2).

  The cord body 2 is a wire in which a metal core material 2b is covered with a synthetic resin 2a, and has flexibility. Examples of the synthetic resin 2a include nylon, polypropylene, and polyvinyl chloride. Examples of the metal core 2b include stainless steel wire. In addition, in order to improve safety | security, the front-end | tip part of the cable body 2 may provide protective latches, such as the aluminum cover 2c, for example.

  The first cylindrical male member 11 and the second cylindrical male member 21 are made of synthetic resin. The first cylindrical male member 11 is continuous with the first cable body through-hole 11a, the first outer peripheral surface 11b, and the first cable body through-hole 11a extending in the longitudinal direction that penetrates the cable body 2. The first cable body through hole 11a and the first outer peripheral surface 11b have one first slit 11c (FIG. 3). The second cylindrical male member 21 is continuous to the second cord body through hole 21a extending in the longitudinal direction that penetrates the cord body 2, the second outer peripheral surface 21b, and the second cord body through hole 21a. The second cable body through hole 21a and the second outer peripheral surface 21b have one second slit 21c.

  The first outer peripheral surface 11 b of the first cylindrical male member 11 is formed in a tapered shape that tapers in the tension direction of the cable body 2. The second outer peripheral surface 21 b of the second cylindrical male member 21 is formed in a tapered shape that tapers in the tension direction of the cable body 2.

  By providing one first slit 11c in the first cylindrical male member 11 and providing one second slit 21c in the second cylindrical male member 21, the cord body 2 and the first cylinder Since the frictional force with the cylindrical male member 11 or the second cylindrical male member 21 becomes larger, the effect of preventing overturning of fixtures and information equipment is further increased.

  The 1st female member 12 has the 1st fitting hole 12a fitted to the 1st cylindrical male member 11, and the 1st rotating shaft penetration hole 12c (Drawing 4). The 2nd female member 22 has the 2nd fitting hole 22a fitted with the 2nd cylindrical male member 21, and the 2nd rotating shaft through-hole 22c.

  The inner surface 12b of the first fitting hole 12a and the inner surface 22b of the second fitting hole 22a are preferably made of metal, so that the first cylindrical male member 11 becomes the first female member 12. It becomes easy to bite and not only the frictional force between the first cylindrical male member 11 and the first female member 12 becomes larger, but also the surface roughness of the inner surface 12b of the first fitting hole 12a can be easily adjusted. In addition, the second cylindrical male member 21 can easily bite into the second female member 22, and not only the frictional force between the second cylindrical male member 21 and the second female member 22 becomes larger. The surface roughness of the inner surface 22b of the second fitting hole 22a can be easily adjusted. Examples of the metal mentioned here include stainless steel.

  The first rotating shaft through hole 12c is provided to allow a first rotating shaft 13e described later to penetrate in the width direction. The second rotating shaft through hole 22c is provided to allow a second rotating shaft 23e described later to penetrate in the width direction.

  In addition, in order to improve corrosion resistance etc., when the 1st female member 12 is metal, you may coat surfaces other than the inner surface 12b of the 1st fitting hole 12a, and the 2nd female member When 22 is made of metal, a surface other than the inner surface 22b of the second fitting hole 22a may be coated.

  When the first cylindrical male member 11 is fitted with the first female member 12, the first cylindrical male member 11 exhibits a function as a locking member for preventing the movement of the cable body 2, When the second cylindrical male member 21 is fitted with the second female member 22, the second cylindrical male member 21 functions as a locking member that prevents the movement of the cable body 2. That is, sudden force is generated in the fixtures and information equipment that perform the fall prevention measure, and the rope body 2 becomes the first cylindrical male member 11 (conical shape) or the second cylindrical male member 21 (conical shape). ) In a tapering direction and is fitted to the first female member 12 or the second female member 22, unlike the conventional tapered cylindrical member, the first cylindrical male member 11 or the second female member Since the first male male member 11 or the second male male member 21 comes to grip the cable body 2 by acting so that the inner diameter of the cylindrical male member 21 is reduced, The frictional force with the one cylindrical male member 11 or the second cylindrical male member 21 increases, and as a result, the stress increases, effectively preventing the fall and movement of fixtures and information equipment. Is possible.

  The first fixing tool 13 includes a first fixing plate 13a, a first frame 13b, a first rotation shaft passage hole 13c, and a first peeling hole 13d (FIG. 5). The second fixture 23 includes a second fixing plate 23a, a second frame body 23b, a second rotation shaft passage hole 23c, and a second peeling hole 23d.

  The first fixing tool 13 and the second fixing tool 23 are preferably made of metal such as stainless steel, for example, and thereby the strength of the first fixing tool 13 and the second fixing tool 23 is increased.

  In addition, in order to improve corrosion resistance etc., when the 1st fixing tool 13 is metal, you may coat surfaces other than the back side 13f of the 1st fixing board 13a, and the 2nd fixing tool 23 is the same. In the case of metal, the surface other than the back side 23f of the second fixing plate 23a may be coated.

  The first fixing plate 13 is fastened and fixed to the first object. The second fixing plate 23 is fastened and fixed to the second object. The surface of the first fixing plate 13a is joined to the lower surface of the first frame 13b. The surface of the second fixing plate 23a is joined to the lower surface of the second frame 23b.

  For the back surface 13f of the first fixing plate 13 and the back surface 23f of the second fixing plate 23, for example, an adhesive, a peelable pressure-sensitive adhesive sheet, and a high-tackiness gel are used in order to more securely fix the object to the object. A buffer material having an adhesive effect may be bonded.

  A first rotation shaft passage hole 13c for allowing the first rotation shaft 13e to pass in the width direction is provided on a side surface of the first frame 13b. A second rotation shaft passage hole 23c for passing the second rotation shaft 23e in the width direction is provided on a side surface of the second frame body 23b.

  The first rotation shaft passage hole 13c is, for example, in the longitudinal direction of the first fixing plate 13a from the center of the first rotation shaft passage hole 13c in order to apply a load as evenly as possible to the first fixing plate 13a. The distance to one end and the distance from the center of the first rotation shaft passage hole 13c to the other end in the longitudinal direction of the first fixing plate 13a are not equal. The second rotation shaft passage hole 23c is, for example, in the longitudinal direction of the second fixing plate 23a from the center of the second rotation shaft passage hole 23c in order to apply a load to the second fixing plate 23a as evenly as possible. The distance to one end and the distance from the center of the second rotation shaft passage hole 23c to the other end in the longitudinal direction of the second fixing plate 23a are not equal.

  13 d of 1st peeling holes are provided in the upper surface of the 1st frame 13b, and make it easier to peel the 1st fixing tool 13 from a 1st object. The second peeling hole 23d is provided on the upper surface of the second frame 23b, and makes it easier to peel the second fixture 23 from the second object.

  The first rotation shaft 13e passes through the first rotation shaft passage hole 13c provided in the first frame 13b and the first rotation shaft through hole 12c provided in the first female member 12. The first female member 12 is pivotally supported. The second rotation shaft 23e passes through the second rotation shaft passage hole 23c provided in the second frame 23b and the second rotation shaft through hole 22c provided in the second female member 22. Then, the second female member 22 is pivotally supported.

  For example, as shown in FIG. 6, the fall prevention device 1 of the present invention is installed on the top plate 32 a of the wall 31 and the fixtures 32 to fix the fixtures 32 as shown in FIG. 7. When installing on the side plate 32b of the wall 31 and the fixtures 32 and fixing the fixtures 32, or when installing on the information equipment 33 and the desk 34 and fixing the information appliance 33 as shown in FIG. Can be used.

  A plurality of the fall prevention tools 1 of the present invention may be used. As shown in FIG. 9, two fall prevention tools 1 are used, for example, an adhesive material is bonded to the back surface 23f of the second fixing plate 23a. In addition to being fastened and fixed to the wall 31, an adhesive is adhered to the back surface 13 f of the first fixing plate 13 a and fastened and fixed to the top plate 32 a of the fixtures 32 to fix the fixtures 32.

  The fall prevention tool 1 according to the present invention is, for example, after the installation of the fixtures or information devices and the wall or the desk for carrying out the fall prevention measures, before the cable body 2 is pulled due to the occurrence of sudden force. The second outer peripheral surface 21b of the second cylindrical male member 21 and the inner surface 22b of the second fitting hole 22a of the second female member 22 are not in surface contact (FIG. 10 (a)). Since the degree of freedom of the cylindrical male member 21 and the second female member 22 is very high, no load is applied to the second fixture 23. Similarly, the first outer peripheral surface 11b of the first cylindrical male member 11 and the inner surface 12b of the first fitting hole 12a of the first female member 12 are not in surface contact, and the first cylindrical shape Since the male member 11 and the first female member 12 have a very high degree of freedom, the first fixture 13 is not loaded. Therefore, the overturn prevention tool of the present invention can retain the overturn prevention effect over a long period of time without the fastening and fixing function decreasing over time.

  Here, when a sudden force is generated in the fixtures and information devices for preventing the fall and the cord body 2 is pulled toward the center of the cord body 2, the second female member 22 is not in surface contact and free. The second cylindrical male member 21 that has been in a high degree is pulled in the direction of entering the second female member 22, and sequentially the large diameter of the second fitting hole 22 a of the second female member 22. Move from direction to small diameter direction. When the second cylindrical male member 21 is fitted into the second fitting hole 22a of the second female member 22 (FIG. 10B), the second outer peripheral surface of the second cylindrical male member 21 is obtained. Although pressure is applied to 21b, the inner diameter of the second outer peripheral surface 21b of the second cylindrical male member 21 is reduced by the presence of the second slit 21c provided in the second cylindrical male member 21. Deform. At this time, since the inner diameter in contact with the cable body 2 penetrating the inside of the second cylindrical male member 21 in the axial direction is also reduced, a force acts so as to compress in the central axis direction of the cable body 2. Since the static frictional force is a product of the vertical load on the friction surface and the friction coefficient, the greater the tension applied to the cable body 2, the second cylindrical male member 21 becomes the second of the second female member 22. The fitting hole 22a is strongly pulled from the large diameter direction to the small diameter direction, and the frictional force between the cord body 2 and the second cylindrical male member 21 is increased. When the frictional force between the cable body 2 and the second cylindrical male member 21 is increased, the stress acting in the center direction of the cable body 2 is also increased, and this stress effectively prevents the fall and movement of furniture and information equipment. Can be prevented. In addition, also when the 1st cylindrical male member 11 and the 1st female member 12 fit, the effect similar to the case where the 2nd cylindrical male member 21 and the 2nd female member 22 which were mentioned above fit is the same. It is possible to effectively prevent overturning and movement of fixtures and information equipment.

  When the first peeling hole 13d is provided on the upper surface of the first frame 13b of the first fixing tool 13, a minus driver is inserted into the first peeling hole 13d, and then the minus driver is rotated. This makes it possible to more easily and cleanly attach and detach the first fixture 13 from fixtures and information equipment. When the second peeling hole 23d is provided on the upper surface of the second frame 23b of the second fixture 23, a minus driver is inserted into the second peeling hole 23d, and then the minus driver is rotated. As a result, it is possible to more easily and cleanly attach and detach the second fixture 23 from the fixtures and information equipment.

(Static load test)
Of the fall prevention tool 1 of the present invention shown in FIG. 1, the cable body 2, the first cylindrical male member 11, the first female member 12, and the first fixing tool 13 are used, and the first fixing plate 13a is used. A 2 mm-thick polyurethane high-viscosity gel is adhered to the back surface 13 f of the metal plate 32, and the side plate 32 b of the fixtures 32 (angle in the load direction: 0 degree) and the top plate 32 a of the fixtures 32 (angle in the load direction: 90 Degree). Then, a static load test was conducted to confirm the design theory, and the state of breakage of the fall prevention tool and peeling of the highly adhesive gel were observed for each angle in the load direction. The load in a state where the upper surface or side surfaces of the fixtures and the highly adhesive gel were peeled was defined as the breaking load.

As a result, the breaking load at 0 degrees was 15.7 (N / cm ² ), and the breaking load at 90 degrees was 15.8 (N / cm ² ). No breakage or deformation of the overturn prevention device was observed at any breaking load of 0 degree and 90 degrees.

(Dynamic load test)
Using the single fall prevention tool 1 of the present invention shown in FIG. 1, issued by the Tokyo Fire Department in March 2006, “Results of Investigation by the Research Committee on Prevention of Falling / Falling Office Furniture and Home Appliances” The dynamic load test was performed in accordance with “Method for performing vibration test of furniture and home appliances” described in the above. A 2 mm thick polyurethane-based high-adhesive gel is adhered to the back surface 13f of the first fixing plate 13a, and is attached to the upper surface of the apparatus that is likened to a business laser printer. On the back surface 23f of the second fixing plate 23a, A 2 mm thick polyurethane-based highly adhesive gel was adhered and attached to the wall 31. After that, the Hyogoken-Nanbu Earthquake Kobe Marine Meteorological Typhoon (NS wave) was added to conduct a dynamic test, and a confirmation experiment was conducted for the presence of damage.

  As a result, there was no movement of the device that was regarded as a commercial laser printer, and the fall prevention tool was not damaged.

  Based on the results of the static load test and heavy load test described above, the anti-falling measures using the anti-falling tool of the present invention can be used to instantly apply force when a large-scale earthquake occurs or people or objects collide. It has become clear that even if an unexpected accident occurs, it is possible to effectively prevent the fall and movement of fixtures and information equipment.

It is a perspective view which shows the outline of one Embodiment of the fall prevention tool of this invention. It is a perspective view which shows the outline of other one Embodiment of the fall prevention tool of this invention. It is a perspective view which shows the outline of an example of the 1st cylindrical male member used for the fall prevention tool of this invention. It is a perspective view which shows the outline of an example of the 1st female member used for the fall prevention tool of this invention. It is a perspective view which shows the outline of an example of the 1st fixing tool used for the fall prevention tool of this invention. It is a figure which shows the outline of an example at the time of fixing fixtures using the fall prevention tool of this invention. It is a figure which shows the outline of another example at the time of fixing fixtures using the fall prevention tool of this invention. It is a figure which shows the outline of an example at the time of fixing information equipment using the fall prevention tool of this invention. It is a perspective view which shows an example at the time of fixing fixtures using two or more fall prevention tools of this invention. (A) It is the schematic which shows an example of the positional relationship of the 2nd cylindrical male member and the 2nd female member before the wire in the fall prevention tool of this invention is pulled, (b) After the wire is pulled It is the schematic which shows an example of the positional relationship of a 2nd cylindrical male member and a 2nd female member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Fall prevention tool 2 Cable body 2a Synthetic resin 2b Core material 2c Aluminum cover 11 1st cylindrical male member 11a 1st cable body through-hole 11b 1st outer peripheral surface 11c 1st slit 12 1st female member 12a 1st One fitting hole 12b Inner surface 12c of the first fitting hole First rotating shaft through hole 13 First fixing tool 13a First fixing plate 13b First frame 13c First rotating shaft passing Hole 13d First peeling hole 13e First rotating shaft 13f Back surface 21 of first fixing plate Second cylindrical male member 21a Second cord body through hole 21b Second outer peripheral surface 21c Second slit 22 Second female member 22a Second fitting hole 22b Inner surface 22c of second fitting hole Second rotation shaft through hole 23 Second fixing tool 23a Second fixing plate 23b Second frame body 23c Second rotating shaft passage hole 23d Second peeling hole 23e Second rotating shaft 23f Second Backside 31 wall 32 fixtures such 32a top plate 32b side plate 33 information apparatus 34 desk Teiita

Claims (3)

A first tubular male member made of synthetic resin having a flexible cable body and a first cable body through-hole extending in the longitudinal direction that is installed in one end direction of the cable body and penetrates the cable body A first female member having a first fitting hole for fitting with the first cylindrical male member, and pivotally supporting the first female member so that the first object can be rotated. A first fixing tool to be fastened and fixed, and a second tube made of a synthetic resin, which is installed in the other end direction of the cord body and has a second cord body through-hole extending in the longitudinal direction for penetrating the cord body. A second female member having a second male member, a second female member having a second fitting hole for fitting with the second cylindrical male member, and a second female member pivotally supported; A fall prevention device comprising a second fixing device fastened and fixed to an object,
The cord is a wire in which a metal core is covered with a synthetic resin, and the first cylindrical male member is formed with a taper shape that tapers the first outer peripheral surface in the tension direction of the cord. The second cylindrical male member has a second outer peripheral surface formed in a tapered shape that tapers in the tension direction of the cord body. The first cylindrical male member has a first slit that is continuous with the first cable body through hole and communicates the first cable body through hole with the first outer peripheral surface. The second cylindrical male member is connected to the second cord body through hole and communicates with the second cord body through hole and the second outer peripheral surface. The fall prevention tool according to claim 1, wherein two slits are provided. The first female member has an inner surface of a first fitting hole made of metal, and the second female member has an inner surface of a second fitting hole made of metal. Or the fall prevention tool of 2.

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