JP5263852B1 - Fall prevention device - Google Patents

Abstract

Provided is a fall prevention device in which the adhesive force of an adhesive member to the upper surface of furniture is increased as much as possible while preventing material collapse of the adhesive member due to excessive compressive force as much as possible.
A first pressing member 5 having a pressing surface that presses an upper surface of furniture, a column that is erected on the first pressing member 5, and a pressing surface that presses a ceiling surface is fixed to the column. And a jack mechanism for generating a vertical tension between the first pressing member 5 and the second pressing member, and an adhesive member is provided on the pressing surface 14 of the first pressing member 5. 15 is formed, and the adhesive member 15 is formed with a crushing margin 17 that is crushed when the first pressing member 5 presses the upper surface of the furniture. The escape allowance 18 is secured in which a part of the adhesive member 15 escapes when the collapse allowance 17 is crushed.
[Selection] Figure 3

Description

  The present invention relates to a tipping prevention device that prevents indoor installations such as furniture and office equipment from tipping over due to an earthquake.

  Conventionally, there has been known a fall prevention device that prevents the furniture from falling down due to the shaking of an earthquake by installing it in the gap between the upper surface of the furniture installed facing the wall and the ceiling surface of the room. ing. This fall prevention device can adjust the vertical dimension according to the gap between the upper surface and the ceiling surface of furniture (see, for example, Patent Documents 1 to 6). In addition, some of such fall prevention devices have a function of stretching vertically between the upper surface of the furniture and the ceiling surface (see, for example, Patent Documents 3 and 6).

  In the fall prevention device described in paragraph 0024 of patent document 1, paragraph 0016 of patent document 2, paragraph 0011 of patent document 3, paragraph 0016 of patent document 4, paragraph 0014 of patent document 5, and the like, An adhesive sheet or a similar sheet (hereinafter referred to as “adhesive material”) is inserted between the fall prevention device and the lower surface of the fall prevention device is fixed to the upper surface of the furniture by the adhesive force of the adhesive material. I have to.

JP 2008-206716 A Japanese Patent Laid-Open No. 10-257935 JP-A-8-266354 JP-A-8-336433 Utility Model Registration No. 3074852 JP-A-55-81611

  By the way, the present application is based on the knowledge that, when the adhesive material is used and the lower surface of the fall prevention device is fixed to the upper surface of the furniture, compared to the case where the adhesive material is not used, the furniture falls more effectively. Applicant has obtained from experiments. When a huge force is generated in the vertical direction as in the Kobe offing earthquake, or when furniture and the ceiling are greatly shaken up and down at different periods, the fall prevention devices of Patent Documents 2 and 5 The supporting column is contracted up and down beyond the holding force of the function of locking the column to a desired length, and in the fall prevention devices of Patent Documents 1, 3, and 4, the members of the height adjustment mechanism are deformed. It shrinks up and down. When the fall prevention device shrinks up and down, a gap is formed between the top surface of the fall prevention device and the ceiling, and the fall prevention device itself cannot maintain its independence due to shaking, and falls on furniture, and furniture It will no longer perform the kind of fall prevention function.

  When furniture installed with its back to the wall is toppled by an earthquake, the lower front end of the furniture serves as a fulcrum and the furniture is tilted forward. Therefore, even if a gap is formed between the top surface of the fall prevention device and the ceiling, if the fall prevention device can maintain a self-supporting state on the furniture, the fall operation can be stopped halfway. . In other words, even if the furniture starts the above-described overturning operation, if the overturn prevention device maintains its independence on the furniture, if the furniture is tilted a little, the overturn prevention device acts like a stick. Indeed, the tilting operation of the furniture stops and it becomes difficult to fall down.

  By the way, it is effective to increase the area of the lower surface of the fall prevention device or to fix the lower surface of the fall prevention device to the upper surface of the furniture in order to make the fall prevention device independent on the furniture. However, if the area of the lower surface of the fall prevention device is increased, it becomes difficult to use the upper surface of furniture as a storeroom, resulting in inconvenience in life. Although it is conceivable to fix the fall prevention device to the upper surface of the furniture using nails, screws or the like, there is a problem that the furniture is scratched. On the other hand, if the adhesive material is inserted between the upper surface of the furniture and the lower surface of the fall prevention device and the fall prevention device is made to stand on the furniture by the adhesive force of the adhesive material, the above two problems are solved. The

  However, if the adhesive material is not used under appropriate conditions, it loses its adhesive strength and the self-supporting effect cannot be obtained. For example, in an apparatus that can generate a tensile force up and down between the upper surface and the ceiling surface of furniture, such as the overturn prevention device disclosed in Patent Document 3, an excessive compressive force is applied to the adhesive sheet. As a result, the material of the adhesive material collapses (the molecular arrangement of the material is destroyed), and the adhesive force and elasticity of the adhesive material are lost. On the other hand, if the thrust tension is too small, the tension force rigidity itself as the overturn prevention device is weakened, and the originally intended function is impaired.

  The present invention was devised in view of such problems, and in the fall prevention device installed on the upper surface of indoor installations such as furniture, while preventing the material collapse of the adhesive member due to excessive compression force as much as possible, An object of the present invention is to provide a fall prevention device capable of increasing the adhesive force of an adhesive member to the upper surface of an indoor installation as much as possible.

The fall prevention device of the present invention includes a first pressing member having a pressing surface that presses an upper surface of an indoor installation, a support column erected on the first pressing member, and a building facing the upper surface of the indoor installation. A second pressing member that is fixed to the column and has a pressing surface that presses a part of the lower part of the member, and by generating a vertical tension between the first pressing member and the second pressing member. And a thrust generation means for pressing the pressing surface of the first pressing member against the upper surface of the indoor installation and pressing the pressing surface of the second pressing member against a lower part of the building. Further, when the concave portion accommodating the adhesive member is formed on the pressing surface of the first pressing member, and the first pressing member does not press the upper surface of the indoor installation object on the adhesive member. Projecting downward from the pressing surface of the first pressing member On the other hand, a crushing margin is formed that is crushed when the first pressing member presses the upper surface of the indoor installation object, and the adhesive member is formed in the recess when the crushing margin is crushed. The escape allowance for a part of the interior to be escaped is secured, and the thrust generation means generates the thrust, whereby the pressing surface of the first pressing member presses the upper surface of the indoor installation, and the adhesive member Even if the crushing allowance is completely crushed, the depression amount of the recess, the thickness of the adhesive member, and the capacity of the escape allowance are set so that the adhesive member does not cause material collapse. It is characterized by.

According to the overturn prevention device having such a configuration, the adhesive member is provided in the recess, and a clearance for the adhesive member is provided in the recess, so that the recess is provided on the pressing surface of the first pressing member. The maximum compressive force applied to the adhesive member can be reduced as compared with the case where the adhesive member is directly attached to the pressing surface, and the material collapse of the adhesive member can be suppressed. Moreover, even if the crushing cost of the adhesive member is completely crushed, the recess amount, the thickness of the adhesive member, and the capacity of the escape allowance are set so that the adhesive member does not cause material collapse. Therefore, the adhesive force between the first pressing member and the upper surface of the indoor installation can be increased by applying a high compressive force to the adhesive member without worrying about the material collapse of the adhesive member.

The first pressing member has a longitudinal direction and a lateral direction as viewed from the bottom, and the recess may be formed at a position biased to one of the longitudinal directions in the first pressing member. .
Moreover, the fall prevention device of the present invention is opposed to the first pressing member having a pressing surface that presses the upper surface of the indoor installation object, the support column erected on the first pressing member, and the upper surface of the indoor installation object. A second pressing member that is fixed to the column and has a pressing surface that presses a lower part of a part of the building that is to be pressed, and a vertical tension is generated between the first pressing member and the second pressing member. And a thrust generating means for pressing the pressing surface of the first pressing member against the upper surface of the indoor installation and pressing the pressing surface of the second pressing member against a lower part of the building. On the premise of the above, when the concave portion accommodating the adhesive member is formed on the pressing surface of the first pressing member, the first pressing member does not press the upper surface of the indoor installation object on the adhesive member. While projecting downward from the pressing surface of the first pressing member, A crushing margin that is crushed when the first pressing member presses the upper surface of the indoor installation object is formed, and in the concave portion, when the crushing margin is crushed, The first pressing member has a longitudinal direction and a lateral direction as viewed from the bottom, and the concave portion is biased to one of the longitudinal directions of the first pressing member. It may be characterized by being formed at a different position.
All of the above-described recesses may be formed on one side with respect to the center position in the longitudinal direction of the first pressing member.

Moreover, the fall prevention device of the present invention is arranged such that two columns in which the longitudinal direction and the short direction of the first pressing member are orthogonal to each other in the fall prevention device described above so that the columns are parallel to each other. It is good also as what has arrange | positioned the support | pillars with a horizontal axis | shaft material, and has arrange | positioned in the direction orthogonal to the said horizontal axis | shaft material seeing the longitudinal direction of those 1st press members from a plane.

  According to the present invention, the pressure-sensitive adhesive member is provided in the recess, and the clearance for the pressure-sensitive adhesive member is provided in the recess. Compared with the case where an adhesive member is provided on the surface, the adhesive member is less likely to cause material collapse. In particular, when setting the amount of depression, the thickness of the adhesive member and the capacity of the escape allowance so that the adhesive member does not cause material collapse, without worrying about the material collapse of the adhesive member, A high pressure can be applied to the adhesive member to increase the fixing force between the first pressing member and the upper surface of the indoor installation. As a result, the independence of the device is increased.

  In addition, according to the present invention, the adhesive member can be completely concealed from the outside and can be made less susceptible to ultraviolet rays, and therefore, a gel-like material that is greatly altered or deteriorated by ultraviolet rays is employed as the adhesive member. In such a case, the alteration and deterioration can be suppressed.

It is the figure which looked at the fall prevention apparatus installed between the upper surface of the furniture installed with the back toward the wall surface, and the indoor ceiling surface from the front side of the furniture. It is the figure which looked at the fall prevention apparatus installed between the upper surface of the furniture installed facing the wall surface, and the indoor ceiling surface from the left side of furniture. It is the figure which looked at the 1st press member etc. from the side, Comprising: It is the figure which made the adhesive member and its vicinity cross-sectional. It is the figure which looked at the 1st press member etc. from the back, Comprising: It is the figure which made the adhesive member and its vicinity sectional. It is the figure which looked at the 1st press member etc. from the bottom. It is the figure which looked at the 1st press member, the support | pillar lower part, etc. at the time of generating thrust, from the side surface, Comprising: It is the figure which made the adhesive member and its vicinity cross-sectional. FIG. 5 is a view of the fall prevention device installed between the upper surface of the furniture installed with its back facing the wall surface and the ceiling surface of the room viewed from the left side of the furniture, and the shape of the second pressing member is changed. FIG.

  Hereinafter, a fall prevention device according to an embodiment of the present invention will be described with reference to the drawings. Hereinafter, furniture will be described as an example of an indoor installation.

  As shown in FIGS. 1 and 2, the fall prevention device 1 according to the embodiment of the present invention is provided on a pair of left and right columns 2, a horizontal shaft member 3 connecting these columns 2, and above and below each column 2. The second pressing member 4, the first pressing member 5, the jack mechanism 6, and the like are mainly configured.

  The support column 2 has a structure in which the fall prevention device 1 can be vertically expanded and contracted according to the dimension between the upper surface 7 of the furniture and the ceiling surface 8. In this stretchable structure, each support column 2 includes an outer cylinder member 9, an inner cylinder member 11 fitted in the outer cylinder member 9 so as to be slidable in the axial direction, and the inner cylinder member 11 from the outer cylinder member 9. This is realized by including a screw-type fixing means 12 for fixing the exposed length. In the illustrated example, the inner cylinder member 11 can extend upward from the upper end of the outer cylinder member 9 (see FIG. 1). In addition, the said ceiling surface 8 is mentioned as an example of a part of building facing the upper surface 7 of furniture, and the ceiling surface 8 mentioned later is also the same.

  The horizontal shaft member 3 connects the two struts 2 to stabilize the self-supporting state of the fall prevention device 1 on the upper surface 7 of the furniture. The horizontal shaft member 3 has a structure that can be expanded and contracted in the horizontal direction, and the separation distance between the columns 2 can be adjusted. In order to achieve this telescopic structure, the horizontal shaft member 3 includes an outer cylinder member 10, two inner cylinder members 20 that are slidably fitted from both sides of the outer cylinder member 10, and the inner cylinder member 20 is externally connected. And a screw-type fixing means 12 for fixing the length exposed from both ends of the cylindrical member 10. Both end portions of the horizontal shaft member 3 (tip portions of the inner cylinder member 20) are connected to the support column 2 via the connecting members 13.

  The 2nd press member 4 presses the ceiling surface 8 with the press surface 4a, and in this embodiment, the board | plate material fixed to the upper end part of the support | pillar 2 is employ | adopted as this 2nd press member 4. As shown in FIG. Yes. Note that the pressing surface 4 a of the second pressing member 4 is substantially orthogonal to the axial direction of the support column 2.

  The first pressing member 5 presses the upper surface 7 of the furniture with the pressing surface 14. In the present embodiment, as the first pressing member 5, a plate material fixed to the lower end portion of the support column 2 is employed. Note that the pressing surface 14 of the first pressing member 5 against the upper surface 7 of the furniture is substantially orthogonal to the axial direction of the column 2.

  As shown in FIGS. 3 to 5, a recess 16 is formed in the pressing surface 14 of the first pressing member 5. The adhesive member 15 is formed in the recess 16. Contained. The adhesive member 15 illustrated in the figure is a sheet-like member having a gel-like elastic characteristic, and has an adhesive property as a whole. The adhesive member 15 protrudes downward from the pressing surface 14 of the first pressing member 5 when the first pressing member 5 does not press the upper surface 7 of the furniture, and the first pressing member 5 presses the upper surface 7 of the furniture. A crushing allowance 17 is formed which is crushed when it is done. In the recess 16, a space 18 (hereinafter referred to as “relief allowance 18”) in which a part of the adhesive member 15 escapes when the crush allowance is crushed is secured. In addition, although the adhesive member 15 in the present embodiment has been made to have adhesiveness as a whole, the adhesiveness of the adhesive member 15 only needs to be adhesive at least on the lower surface, The upper surface of the adhesive member 15 and the recess 16 may be fixed by an adhesive or other means.

  The concave amount L1 of the concave portion 16, the thickness L2 of the adhesive member 13, and the capacity of the escape allowance 18 are such that the pressing surface 14 of the first pressing member 5 presses the upper surface 7 of the furniture due to the occurrence of the thrust tension. Even if the crushing allowance 17 of the member 15 is completely crushed, the adhesive member 15 is set so as not to cause material collapse. Since the amount L1 of the concave portion 16, the thickness L2 of the adhesive member 13, and the capacity of the escape allowance 18 differ depending on the properties specific to the material of the adhesive member 15, it depends on the material of the adhesive member 15 to be employed. It is determined. As in the case of the vibration-proof rubber pad, the gel-like adhesive member currently on the market is assumed to have an area and thickness depending on the load to be received, and an applicable load range is set depending on the inherent characteristics of the material. Therefore, the dent amount L1 of the concave portion 16, the thickness L2 of the adhesive member 13 and the like can be determined based on this applied load range.

  The jack mechanism 6 functions as a projecting tension generating unit that causes the first pressing member 5 and the support column 2 to be separated from each other in the axial direction and generates a projecting tension in the vertical direction between the first pressing member 5 and the second pressing member 4. To do. As shown in FIG. 6, the jack mechanism 6 in the present embodiment includes a dial 19 that is rotatably fitted on the raised portion 5 a of the first pressing member 5 on the same axis as the column 2, and the center of the dial 19. And a nut 21 that is fixed to the bottom of the support 2 and a nut 22 that is embedded in the lower end of the column 2 and is screwed to the bolt 21. With this configuration, when the dial 19 is turned by hand, the support column 2 is lifted upward in the axial direction by a jacking action. As a result, the vertical dimension of the entire fall prevention device 1 becomes long, and the upper surface 7 and the ceiling surface 8 of the furniture are Thrust tension can be generated between them.

  In installing the fall prevention device 1 configured as described above between the upper surface 7 and the ceiling surface 8 of the furniture, first, the fall prevention device 1 is placed between the upper surface 7 of the furniture and the ceiling surface 8. Place. Next, the fixing means 12 of the horizontal shaft member 3 is released, the distance between the columns 2 can be adjusted, the horizontal position of each column 2 is determined, and then the length of the horizontal shaft member 3 is fixed. Fix by means 12. Next, the fixing means 12 of the column 2 is released, the length of each column 2 is extended as much as possible, and the first pressing member 5 and the second pressing member 4 are brought into contact with the upper surface 7 and the ceiling surface 8 of the furniture, respectively. After the contact, the length of each column 2 is fixed by the fixing means 12. Finally, the dial 19 is turned by hand to generate a thrust between the first pressing member 5 and the second pressing member 4. Thereby, the pressing surface 14 of the first pressing member 5 presses the upper surface 7 of the furniture, and the pressing surface 4 a of the second pressing member 4 presses the ceiling surface 8.

  In the fall prevention device 1 according to the present embodiment, the concave portion 16 is recessed so that the adhesive member 15 does not cause material collapse even when the crushing margin 17 of the adhesive member 15 is completely crushed by the above-described thrust. Since the amount L1, the thickness L2 of the adhesive member 13 and the capacity of the escape allowance 18 are set, a high pressure is applied to the adhesive member 15 without worrying about the material collapse of the adhesive member 15, The fixing force between the pressing member 5 and the upper surface 7 of the furniture can be increased. As a result, it is possible to improve the independence of the overturn prevention device 1 when a gap is formed between the second pressing member 4 and the ceiling surface 8 due to the pitching of the earthquake.

  Moreover, in the fall prevention device 1 according to the present embodiment, since the first pressing member 5 having higher rigidity than the adhesive member 15 can directly contact the upper surface 7 of the furniture, the fall prevention device in a more stable state. 1 can be placed on the upper surface 7 of furniture.

  Moreover, when the recessed part 16 is completely enclosed by the press surface 14 of the 1st press member 5 like the fall prevention apparatus 1 which concerns on this embodiment (refer FIG. 5), as shown in FIG. When the pressing surface 14 of the first pressing member 5 presses the upper surface 7 of the furniture, the adhesive member 15 is completely hidden from the outside, and the adhesive member 15 is not easily exposed to ultraviolet rays. In general, the gel-like material used for the adhesive member is extremely weak to ultraviolet rays, and when it is exposed to ultraviolet rays for a long period of time, it deteriorates (dissolves) and loses adhesive strength, etc., but the fall prevention according to this embodiment According to the apparatus 1, since the adhesive member 15 is completely hidden from the outside, such a concern is eliminated.

  In addition, although the fall prevention apparatus 1 which concerns on above-mentioned embodiment was provided with the two support | pillars 2, the application of this invention is possible even if the support | pillar 2 is a single type. For example, in the fall prevention device 1 shown in FIG. 1, even if one support column 2, the upper and lower pressing members 4, 5 of the one support column 2, and the horizontal shaft member 3 are omitted, the application of the present invention can be applied. Is possible.

  Further, in the overturn prevention device 1 according to the above-described embodiment, as shown in FIG. 5, the escape allowance 18 is secured over the entire circumference of the adhesive member 15, but the escape allowance 18 is not necessarily an adhesive member. It is not necessary to be ensured over the entire circumference of 15, and it is sufficient that the adhesive member 15 is ensured at any part in the recess 16 as long as the material does not collapse due to the maximum pressure. For example, the escape allowance 18 may be formed in a circular shape in the adhesive member 15 as viewed from below.

  Moreover, in the fall prevention device 1 according to the above-described embodiment, the pressing surface 4a of the second pressing member 4 is directly above the support column 2, but the pressing surface 4a of the second pressing member 4 is not necessarily the true position of the support column 2. There is no need to be on top. For example, like the fall prevention device 1A shown in FIG. 7, the second pressing member 4 is replaced with a second pressing member 4A having a shape as shown in the figure, and the pressing surface 4Aa is opposed to the beam 24 (the upper surface 7 of the furniture). The lower part of the building) may be pressed. Even in such a case, by providing the aforementioned pressure-sensitive adhesive member 15, concave portion 16, escape allowance 18 and the like (not shown in FIG. 7) on the pressing surface 14 of the first pressing member 5, the fall prevention device 1 is obtained. Note that the second pressing member 4A shown in FIG. 7 mainly includes a first horizontal plate portion 25 fixed to the upper end of the support column 2, a second horizontal plate portion 26 having the pressing surface 4Aa, and these horizontal plates. It comprises a vertical plate portion 27 installed between the portions 25 and 26.

DESCRIPTION OF SYMBOLS 1,1A Fall prevention apparatus 2 Support | pillar 4,4A 2nd press member 5 1st press member 6 Jack mechanism (impact tension generating means)
7 Upper surface of furniture (indoor installation) 8 Ceiling surface (lower part of building)
14 Pressing surface of first pressing member 15 Adhesive member 16 Recessed portion 17 Crushing margin 18 Escape margin 24 Beam (lower part of building)
L1 Depression amount of recess L2 Thickness of adhesive member

Claims (5)

A first pressing member having a pressing surface for pressing the upper surface of the indoor installation;
A column erected on the first pressing member;
A second pressing member fixed to the column, the pressing member having a pressing surface that presses a lower part of a part of the building facing the upper surface of the indoor installation;
By generating a thrust in the vertical direction between the first pressing member and the second pressing member, the pressing surface of the first pressing member is pressed against the upper surface of the indoor installation, and the second pressing Thrust generation means for pressing the pressing surface of the member to a lower part of a part of the building;
In the fall prevention device comprising:
On the pressing surface of the first pressing member, a recess containing the adhesive member is formed,
The adhesive member protrudes downward from the pressing surface of the first pressing member when the first pressing member does not press the upper surface of the indoor installation object, while the first pressing member of the indoor installation object A crushing margin is formed, which is crushed when pressing the upper surface,
In the recess, an escape allowance is secured to allow a part of the adhesive member to escape when the collapse allowance is crushed ,
Even if the pressing surface of the first pressing member presses the upper surface of the indoor installation and the crushing margin of the adhesive member is completely crushed, A fall prevention device , wherein the depression amount of the recess, the thickness of the adhesive member, and the capacity of the escape allowance are set so that the adhesive member does not cause material collapse . The fall prevention device according to claim 1,
The first pressing member has a longitudinal direction and a lateral direction when viewed from the bottom surface,
The overturn prevention device, wherein the concave portion is formed at a position biased to one side of the longitudinal direction of the first pressing member. A first pressing member having a pressing surface for pressing the upper surface of the indoor installation;
A column erected on the first pressing member;
A second pressing member fixed to the column, the pressing member having a pressing surface that presses a lower part of a part of the building facing the upper surface of the indoor installation;
By generating a thrust in the vertical direction between the first pressing member and the second pressing member, the pressing surface of the first pressing member is pressed against the upper surface of the indoor installation, and the second pressing Thrust generation means for pressing the pressing surface of the member to a lower part of a part of the building;
In the fall prevention device comprising:
On the pressing surface of the first pressing member, a recess containing the adhesive member is formed,
The adhesive member protrudes downward from the pressing surface of the first pressing member when the first pressing member does not press the upper surface of the indoor installation object, while the first pressing member of the indoor installation object A crushing margin is formed, which is crushed when pressing the upper surface,
In the recess, an escape allowance is secured to allow a part of the adhesive member to escape when the collapse allowance is crushed,
The first pressing member has a longitudinal direction and a lateral direction when viewed from the bottom surface,
The overturn prevention device, wherein the concave portion is formed at a position biased to one side of the longitudinal direction of the first pressing member. In the fall prevention apparatus of Claim 2 or 3,
All the said recessed parts are formed in one side rather than the center position of the said longitudinal direction in the said 1st press member, The fall prevention apparatus characterized by the above-mentioned. In the fall prevention device according to any one of claims 2 to 4, two of the first pressing members whose longitudinal direction and transverse direction are orthogonal to each other are arranged so that the columns are parallel to each other. A support apparatus for connecting a support shaft by a horizontal shaft member and arranging the first pressing members in a direction perpendicular to the horizontal shaft member as viewed in a plan view.

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