WO2020166357A1 - 緩衝ゴム及びその反力調整方法及び台座 - Google Patents
緩衝ゴム及びその反力調整方法及び台座 Download PDFInfo
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- WO2020166357A1 WO2020166357A1 PCT/JP2020/003460 JP2020003460W WO2020166357A1 WO 2020166357 A1 WO2020166357 A1 WO 2020166357A1 JP 2020003460 W JP2020003460 W JP 2020003460W WO 2020166357 A1 WO2020166357 A1 WO 2020166357A1
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- Prior art keywords
- base
- rubber
- cushioning rubber
- flat plate
- plate portion
- Prior art date
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 199
- 239000005060 rubber Substances 0.000 title claims abstract description 199
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title claims description 32
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
- F16F1/3737—Planar, e.g. in sheet form
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/371—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by inserts or auxiliary extension or exterior elements, e.g. for rigidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
- F16F1/376—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape having projections, studs, serrations or the like on at least one surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
- F16F1/377—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape having holes or openings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
- F16F3/087—Units comprising several springs made of plastics or the like material
- F16F3/0873—Units comprising several springs made of plastics or the like material of the same material or the material not being specified
- F16F3/0876—Units comprising several springs made of plastics or the like material of the same material or the material not being specified and of the same shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0418—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall having a particular shape, e.g. annular, spherical, tube-like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2226/00—Manufacturing; Treatments
- F16F2226/04—Assembly or fixing methods; methods to form or fashion parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/02—Surface features, e.g. notches or protuberances
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/36—Holes, slots or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a cushion rubber, a reaction force adjusting method for adjusting the magnitude of a reaction force generated in the cushion rubber, and a pedestal provided with the cushion rubber.
- the sheet-shaped cushioning rubber 53 is laid on the base 51 and then the load 52 is loaded thereon.
- the cushioning rubber 53 not only exhibits heat transfer or heat insulation, but also as a cushioning material as its name suggests. By interposing the cushioning rubber 53 in this way, the cushioning rubber 53 is removed from the base 51. It is possible to suppress the propagation of vibration to the load 52 or from the load 52 to the base 51.
- the buffer rubber 53 is formed of a flat rubber sheet having a predetermined thickness as shown in the figure.
- the cushioning rubber 53 is made of a flat rubber having a predetermined thickness, the following disadvantages are pointed out.
- reaction force when rubber is crushed, a reaction force is generated and it behaves like a spring, so it is used as a cushioning material.
- the reaction force tends to increase as the crushing margin increases, and the slope of the graph line in the correlation graph depends on the rubber hardness.
- reaction force will also increase, so the counterpart component on the side receiving the reaction force must also have strength so that it can withstand the reaction force.
- the mating component is a component that does not have strength such as sheet metal, it is difficult to set a large crushing allowance, and therefore the cushioning rubber has a low reaction force characteristic so as to absorb a large displacement of the mating component. To be difficult.
- An object of the present invention is to provide a cushioning rubber capable of exhibiting characteristics of low reaction force even if a large crushing margin is set.
- the cushioning rubber of the present invention is a sheet-like cushioning rubber, in which a flat base portion and a three-dimensional shape that is formed by standing up from the base portion toward one of the sheet thickness directions are formed along one direction on the sheet plane.
- the three-dimensional shape is provided with hollow portions that open toward the other side in the sheet thickness direction.
- the reaction force adjusting method for the cushioning rubber of the present invention is a method for adjusting the magnitude of the reaction force generated in the cushioning rubber, wherein the side rising surface is the base portion when the cushioning rubber is manufactured. Forming a right angle with respect to the base, and forming a right angle between the side rising surface and the top surface, forming the side rising surface at a right angle to the base, Providing a rounded portion having an arcuate cross section between the surface and the top surface, and forming the side rising surface obliquely with a predetermined inclination angle with respect to a right-angled surface of the base. It is characterized in that the magnitude of the reaction force generated in the buffer rubber is adjusted by selecting one of them.
- the cushioning rubber is a sheet-like cushioning rubber, and is provided with a flat base portion and a three-dimensional shape that is formed by standing up from the base portion toward one side in the seat thickness direction along one direction on the seat plane.
- the three-dimensional shape has a hollow portion that opens toward the other side in the sheet thickness direction.
- the cushioning rubber is such that the three-dimensional shape integrally includes a rising surface continuous from the base portion, a top surface and a rising surface on the opposite side, and a pair of side direction rising surfaces in the width direction, and the hollow portion has a sheet thickness direction. The opening is only toward the other side.
- another cushion rubber of the present invention A flat plate part, A plurality of protruding portions protruding from the flat plate portion, A cushioning rubber comprising: The periphery of each of the plurality of protrusions is surrounded by the portion of the flat plate portion, and the inside of each of the plurality of protrusions is configured to be hollow, An exhaust passage is provided to allow the air inside each of the plurality of protrusions to be exhausted to the outside.
- the pedestal of the present invention With the base At least one cushion rubber arranged in a state of being positioned on the base, Equipped with The cushioning rubber has a pedestal including a flat plate portion and a plurality of protruding portions that project from the flat plate portion, The periphery of each of the plurality of protrusions is surrounded by the portion of the flat plate portion, and the inside of each of the plurality of protrusions is configured to be hollow, At least one of the base and the cushioning rubber is provided with an exhaust passage through which air inside each cavity of the plurality of protrusions can be exhausted to the outside.
- the exhaust passage is constituted by a plurality of grooves formed on the surface of the flat plate portion opposite to the side on which the plurality of projecting portions project from the inside of the cavity to the side surface of the flat plate portion. Good.
- the exhaust passage may be configured by a groove formed on the base.
- the cushioning rubber which can exhibit the characteristic of low reaction force, even if a big crushing margin is set can be provided. it can. Also, the magnitude of the reaction force generated in the cushion rubber can be adjusted by selecting and changing the shape of the side rising surface.
- FIG. 1 is an overall perspective view of the cushioning rubber of the first embodiment.
- 2A is a partially enlarged sectional view of the same cushioning rubber
- FIG. 2B is a partially enlarged sectional view showing a state in which a load acts on the same cushioning rubber.
- 3A and 3B are views showing a cushioning rubber according to a second embodiment.
- FIG. 3A is an overall perspective view of the cushioning rubber as viewed obliquely from above
- FIG. 3B is an overall perspective view of the cushioning rubber as viewed from obliquely below.
- 4A is a plan view of the cushioning rubber
- FIG. 4B is a sectional view of the cushioning rubber
- FIG. 5A is a sectional view of the same cushioning rubber, which is an enlarged sectional view taken along line DD in FIG. 4A
- FIG. 5B is a sectional view of the same cushioning rubber, which is E in FIG. 4A.
- -E line enlarged sectional view (C) is a partial sectional view of the same cushioning rubber and is a FF line sectional view in FIG. 5(B).
- 6A and 6B are explanatory views showing a deformed state of a three-dimensional shape in both FIGS. 7A and 7B are plan views showing another example of the arrangement of the reinforcing ribs.
- FIG. 8 is a perspective view showing a first example of the mounting structure of the cushioning rubber.
- FIG. 9A and 9B are views showing a frame body used in the mounting structure
- FIG. 9A is a plan view thereof
- FIG. 9B is a sectional view thereof, which is a sectional view taken along line GG in FIG. 9A. is there.
- FIG. 10 is a perspective view showing a second example of the cushion rubber mounting structure.
- 11A and 11B are views showing a frame body used in the same mounting structure.
- FIG. 11A is a plan view thereof
- FIG. 11B is a sectional view thereof
- a sectional view taken along line HH in FIG. 11 is a cross-sectional view thereof, which is a cross-sectional view taken along the line II in FIG. 11(A).
- FIG. 12 is a perspective view showing a third example of the cushion rubber mounting structure.
- FIG. 13A and 13B are views showing a frame body used in the mounting structure, FIG. 13A being a plan view thereof, FIG. 13B being a side view thereof, and FIG. 13C being a partially enlarged side view thereof.
- 13B is an enlarged view of the J section
- FIG. 13D is a partially enlarged side view of the J section, which is an enlarged view of the K section in FIG.
- FIG. 14 is an explanatory view (cross-sectional view) showing a reaction force adjusting method for the cushioning rubber.
- FIG. 15 is an explanatory diagram (graph diagram) showing a reaction force adjusting method for the cushioning rubber.
- FIG. 16 is an explanatory diagram of the cushioning rubber described in the background art.
- FIG. 17 is an external view of a pedestal according to the embodiment of the present invention.
- FIG. 18 is an external view of the cushioning rubber according to the embodiment of the present invention.
- FIG. 19 is a schematic cross-sectional view of the cushioning rubber according to the embodiment of the present invention.
- FIG. 20 is an external view of a cushioning rubber according to a modified example of the present invention.
- FIG. 21 is an external view of a base according to the first modification of the present invention. 22: is a figure which shows the base which concerns on the modification 2 of this invention.
- FIG. 23 is a diagram showing a base according to the modified example 3 of the present invention.
- the pedestal including the cushioning rubber according to the present embodiment described below can be suitably applied to load a load such as a secondary battery loaded on a vehicle body.
- a load such as a secondary battery loaded on a vehicle body.
- the load is not limited to the secondary battery, and the pedestal according to the present embodiment and the like can be applied to the use for loading load other than the load loaded on the vehicle body or the like.
- the pedestal according to the present embodiment and the like can be preferably used in a place where a shock is generated due to vibration or the like.
- the cushioning rubber 1 is formed as a rubber molded product having a sheet shape of a plane rectangular shape as a whole, and cushions an input load acting in the sheet thickness direction (z direction in FIG. 1). Exert. Since the planar shape and the planar size of the cushioning rubber 1 are determined exclusively by the shape and the size of the load, the cushioning rubber 1 shown in the figure is an example thereof.
- the cushioning rubber 1 includes a flat base portion 2 and a three-dimensional shape 3 that is formed from one end of the base portion 2 toward one side (upward in the drawing) in the sheet thickness direction. And are alternately and repeatedly provided along the seat length direction (the left-right direction in the drawing, the x direction in FIG. 1) which is one direction on the seat plane.
- the base 2 is formed in a flat plate shape.
- the three-dimensional shape 3 has a shape in which one rising surface 31, which is continuous from the end of the base 2, a top surface 32, and a rising surface 33 on the opposite side are integrally provided, and the other inside in the sheet thickness direction ( A hollow portion 34 that opens downward (in the figure) is provided.
- the pair of rising surfaces 31, 33 including the one rising surface 31 and the opposite rising surface 33 move toward one side (upward in FIG. 2A) in the sheet thickness direction. 33 are formed in an inclined surface shape (taper shape) so as to approach each other.
- the base 2 and the three-dimensional shape 3 are respectively provided over the entire width (the width direction in the drawing, the y direction in FIG. 1) in the sheet width direction.
- each of the base 2 and the three-dimensional shape 3 is provided as having a constant cross-sectional shape over the entire seat width direction (entire width). Therefore, as a result, the hollow portion 34 not only opens toward the other side in the sheet thickness direction, but also opens toward both sides in the sheet width direction.
- the cushioning rubber 1 is formed as a rubber molded product having a planar rectangular sheet shape as a whole, and is formed in the sheet thickness direction (z direction in FIG. 3A). It exerts a cushioning effect on the input load acting. Since the planar shape and the planar size of the cushioning rubber 1 are determined exclusively by the shape and the size of the load, the cushioning rubber 1 shown in the figure is an example thereof.
- the cushioning rubber 1 is formed so as to rise from the flat base portion 2 and one end (left side in FIG. 4B) of the seat thickness direction from the end portion of the base portion 2.
- the three-dimensional shape 3 is alternately and repeatedly provided along the sheet length direction (the vertical direction in FIG. 4B, the x direction in FIG. 3A) which is one direction on the seat plane.
- the base 2 is formed in a flat plate shape.
- the three-dimensional shape 3 includes one rising surface 31 connected from the end of the base 2, a top surface 32, a rising surface 33 on the opposite side, and further on both sides in the seat width direction (y direction in FIG. 3A).
- a side portion rising surface (side wall) 35 is integrally provided with a hollow portion 34 that opens toward the other side (the right side in FIG. 4B) in the sheet thickness direction. Therefore, since the hollow portion 34 is closed on both sides in the seat width direction by the side rising surfaces 35, it does not open to both sides in the seat width direction, but only opens to the other side in the seat thickness direction.
- the pair of rising surfaces 31, 33 including the one rising surface 31 and the opposite rising surface 33 move toward one side (left side in FIG. 4B) in the sheet thickness direction. , 33 are formed in an inclined surface shape (taper shape) so as to approach each other.
- the pair of side part rising surfaces 35 provided on both sides in the seat width direction rise toward one side (upward in FIG. 5(B)) in the seat thickness direction.
- the raising surfaces 35 are formed in an inclined surface shape (taper shape) so as to approach each other. Therefore, the three-dimensional shape 3 has a trapezoidal shape when viewed from the direction of FIG. 5(B) or (A).
- a reinforcing rib 36 that is connected to the three-dimensional shape 3 and that prevents the three-dimensional shape 3 from collapsing is integrally provided on the plane of the base 2.
- the three-dimensional shape 3 When the weight of the load 52, a load such as a vibration, or the like is input from above, the three-dimensional shape 3 is compressed in the seat thickness direction as shown in FIG. 2B, and only the abdomen thereof is located on both sides in the seat length direction. It is planned to elastically deform so as to bulge toward. On the other hand, the three-dimensional shape 3 is deformed so as to incline toward one side in the seat length direction, or as shown in FIG. 6A, the root of the three-dimensional shape 3 spreads toward both sides in the seat length direction. As described above, if the deformation is performed (the length of the root portion of the three-dimensional shape 3 increases from L 1 to L 2 ), it is difficult to generate a reaction force as designed.
- reinforcing ribs 36 are provided to support the three-dimensional shape 3 from the seat length direction, so that the three-dimensional shape 3 is deformed so as to fall toward one side of the seat length direction, or the root of the three-dimensional shape 3 is deformed. The part is prevented from being deformed so as to expand toward both sides in the seat length direction.
- the reinforcing rib 36 is arranged between a pair of three-dimensional shapes 3 adjacent to each other, extends in the seat length direction, and is connected to one three-dimensional shape 3 at one end and to the other three-dimensional shape 3 at the other end. ing.
- the reinforcing rib 36 is provided at the widthwise end of the base 2.
- the installation position is not particularly limited, and may be provided at the central portion in the width direction of the base 2.
- the reinforcing ribs 36 are provided at both ends in the width direction of the base 2, and one is provided at the center in the width direction.
- the reinforcing ribs 36 are provided at both ends in the width direction of the base 2, and two ribs 36 are provided at the center in the width direction.
- the reinforcing ribs 36 are provided at both widthwise ends of the base 2, that is, two reinforcing ribs 36 are provided.
- the number of installations is not particularly limited.
- FIG. 7A three reinforcing ribs 36 are provided, one at each widthwise end of the base portion 2 and one at the widthwise central portion.
- FIG. 7B four reinforcing ribs 36 are provided, one at each widthwise end of the base 2 and two at the widthwise center.
- a mounting substitute projection 37 used as a fitting margin for the cushioning rubber 1 is integrally formed from the widthwise end of the cushioning rubber 1 toward the direction of increasing the width of the cushioning rubber 1. It is provided.
- the mounting substitute protrusions 37 are provided at both ends of the cushioning rubber 1 in the width direction.
- the mounting substitute projection 37 is used as an engagement piece for positioning and retaining the cushion rubber 1 with respect to the frame body when mounting the buffer rubber 1 on the frame body.
- the following modes are conceivable as a combination with the frame body.
- the cushioning rubber 1 is inserted from one side in the length direction of the frame body 41, and the mounting substitute projection 37 is inserted into the mounting groove 43 provided on the inner surface of the side wall 42 of the frame body 41 to cushion the cushioning.
- the mounting grooves 43 are provided at both ends of the frame body 41 in the width direction. Further, the mounting grooves 43 are respectively provided long along the length direction of the frame body 41.
- the cushioning rubber 1 is press-fitted from above the frame body 41, and the mounting substitute projection 37 is press-fitted and engaged with the engagement projection 44 provided on the inner surface of the side wall 42 of the frame body 41.
- the cushioning rubber 1 is thereby positioned.
- the engagement protrusions 44 are provided at both ends of the frame body 41 in the width direction. Further, the engagement protrusions 44 are provided so as to be scattered at a plurality of positions (6 positions in the figure) in the length direction of the frame body 41.
- the cushioning rubber 1 is press-fitted from one side in the width direction of the frame body 41, and the pair of width direction reinforcing ribs 36 are provided in the frame body.
- the cushioning rubber 1 may be positioned by sandwiching the engagement protrusions 47 of the engagement portion 45 provided on the plane of 41 from both sides in the width direction.
- the engaging portion 45 is provided on the plane of the frame body 41 and at the center in the width direction.
- the engaging portion 45 includes a mounting groove 46 that accommodates the end portion of the base portion 2 with the cushioning rubber 1 mounted, and is sandwiched by the pair of reinforcing ribs 36 above the mounting groove 46.
- the engaging protrusion 47 is provided.
- the cushioning rubber 1 in the first and second embodiments having the above-mentioned configuration is formed as a three-dimensional rubber film body having a bellows shape or a wavy shape, rather than a rubber mass having a flat plate shape as a whole. Therefore, when a load such as the weight of the counterpart component (the above-mentioned load 52) acts on this three-dimensional film body, a reaction force is generated. The magnitude of the generated reaction force is generated when the rubber block is crushed. It is considered to be much smaller than the reaction force. Further, even if a large load acts and the rubber is crushed, the bending of the film body is only increased, so that the reaction force is gradually increased. Therefore, even if the crushing margin is set to a large value, the reaction force does not become extremely large with it, and thus the characteristic of low reaction force can be realized.
- the cushioning rubber 1 having the above configuration is suitable for filling gaps and coping with dimensional fluctuation due to heat when the mating component is a component having no strength such as sheet metal.
- the cushioning rubber 1 having the above-described structure that realizes a low reaction force characteristic can contribute to the improvement of the reliability and the degree of freedom in the device design.
- the pair of side rising surfaces 35 is provided as a part of the three-dimensional shape 3, but the side rising surfaces 35 are not inclined vertically but inclined. The reason is as follows.
- the side rising surface 35 into an inclined surface, the magnitude of the reaction force generated can be reduced, but since the reaction force does not become zero, the side rising surface 35 is provided. Comparing the cushioning rubber 1 according to the second embodiment and the cushioning rubber 1 according to the first embodiment in which the side rising surface 35 is not provided, the latter cushioning rubber 1 according to the first embodiment is compared. Has a lower reaction force.
- the magnitude of the reaction force generated in the cushioning rubber 1 can be adjusted by changing the shape of the three-dimensional side rising surface 35.
- the side rising can be selected from the following options. By selecting the shape of the surface 35, it is possible to adjust the magnitude of the reaction force generated in the cushioning rubber 1.
- the side rising surface 35 is formed so as to rise at a right angle with respect to the base 2, and a right angled corner 38 is provided between the side rising surface 35 and the top surface 32. (Vertical wall/right angle type).
- the side rising surface 35 is formed so as to rise at a right angle to the base 2, and a rounded portion having an arcuate cross section is formed between the side rising surface 35 and the top surface 32. 39 is provided (vertical wall/corner radius type).
- the side rising surface 35 is obliquely formed so as to have a predetermined inclination angle ⁇ 1 with respect to the right-angled surface (virtual surface) 2A of the base 2 (taper small type).
- the lateral rising surface 35 is formed obliquely so that the perpendicular surface of the base 2 with respect to (virtual surface) 2A with a predetermined inclination angle theta 2, the inclination angle theta 2 size Is set to be larger than the inclination angle ⁇ 1 in the third option (large taper type).
- the vertical wall/square radius type of the second option is effective (for the vertical wall/right angle type of the first option). Against the load begins to fall).
- the taper small type of the third option is effective (vertical wall/right angle of the first option). Since the load begins to drop for the type and the vertical wall/corner radius type of the second option), the large taper type of the fourth option is more effective (since the load further decreases for the small taper type of the third option).
- the cushioning rubber 1 according to the second embodiment provided with the side rising surface 35 is molded with a rubber mold, and after the mold release, the side rising surface 35 is cut (a blade, Laser, water jet, etc.) can be used to manufacture the buffer rubber 1 according to the first embodiment.
- the cushioning rubber is provided with a flat plate portion (flat plate-shaped base portion) and a plurality of projecting portions (three-dimensional portion) projecting from the flat plate portion, and the inside of these projection portions is provided.
- the structure is adopted so that the cavity becomes hollow.
- the cavity inside the protrusion is in a sealed state, and there is a concern that the pressure (internal pressure) of the gas contained in the cavity becomes high. Therefore, the desired repulsive force may not be obtained, or the repulsive force by the individual protrusions may become uneven.
- FIG. 17 is an external view of a pedestal according to the embodiment of the present invention.
- 17A is a plan view of the pedestal
- FIG. 17B is a side view of the pedestal (a view seen in the P direction in FIG. 17A)
- FIG. 17C is a pedestal. Is a part of the front view (a view seen in the Q direction in FIG. 3A)
- FIG. 3D is a part of the front view of the pedestal in a state in which a load is loaded.
- FIG. 18 is an external view of the cushioning rubber according to the embodiment of the present invention.
- 18(a) is a plan view of the cushion rubber
- FIG. 18(b) is a front view of the cushion rubber
- FIG. 18(c) is a rear view of the cushion rubber
- FIG. It is a side view of a cushioning rubber.
- FIG. 19 is a schematic cross-sectional view of the cushioning rubber according to the embodiment of the present invention. Note that FIG. 19A is a sectional view taken along the line AA in FIG. 18A, and FIG. 19B is a sectional view taken along the line BB in FIG. 18A.
- the pedestal 10 according to the present embodiment includes a cushioning rubber 100 made of various rubber materials and a base 200 made of a material having rigidity such as resin or metal.
- the cushioning rubber 100 is arranged in a state of being positioned on the base 200.
- three cushion rubbers 100 are arranged on one base 200.
- the number of buffer rubbers arranged on one base is not limited, and at least one buffer rubber may be arranged on one base.
- the base 200 includes a bottom plate portion 210 having a rectangular planar shape, a pair of long side wall portions 220 provided along a pair of long sides at both ends in the lateral direction of the bottom plate portion 210, and a longitudinal direction of the bottom plate portion 210. At one end thereof, and a short side wall portion 230 provided along the short side. Further, hook parts 221 and 231 are provided at the ends of the long side wall part 220 and the short side wall part 230 on the side opposite to the bottom plate part 210 so as to extend along the long side wall part 220 and the short side wall part 230. Each is provided.
- the buffer rubber 100 is slid in the direction of arrow P in FIG. 17A, so that the buffer rubber 100 is positioned with respect to the base 200.
- the buffer rubber 100 is slid in such a manner that the both ends in the lateral direction of the flat plate portion 110 of the buffer rubber 100 are sandwiched between the bottom plate portion 210 and the pair of hook portions 221 of the base 200, respectively.
- the cushion rubber 100 can be attached to the base 200.
- minute gaps S are formed between the side surfaces of the flat plate portion 110 of the cushioning rubber 100 and the inner wall surfaces of the pair of long side wall portions 220 of the base 200 (see FIG. 17 ( See b)).
- the cushioning rubber 100 includes a flat plate portion 110 and a plurality of protruding portions 120 that project from the flat plate portion 110.
- the periphery of each of the plurality of protrusions 120 is surrounded by the portion of the flat plate portion 110 (see FIGS. 18A and 18C), and each of the plurality of protrusions 120 is configured to be hollow. (See FIG. 19).
- the cushioning rubber 100 configured in this manner, when the cushioning rubber 100 is placed on a flat surface, the hollow portions inside the respective protrusions 120 become a sealed space. Therefore, when the projecting portion 120 is compressed by loading the load 500, the gas pressure (internal pressure) in the closed space may increase. Note that FIG.
- the pedestal 10 according to the present embodiment can be used even in a face-down state. That is, the pedestal 10 can also be used so that the plurality of protrusions 120 of the cushioning rubber 100 are placed on a flat surface and the load 500 is loaded on the base 200. Even in this case, the hollow portion inside the protrusion 120 becomes a sealed space by the load 500. Therefore, even in this case, when the protrusion 120 is compressed, the gas pressure (internal pressure) in the closed space may increase.
- At least one of the base 200 and the cushioning rubber 100 is provided with an exhaust passage through which the air inside each cavity of the plurality of protrusions 120 can be exhausted to the outside. ing.
- the cushion rubber 100 is mainly provided with an exhaust passage.
- a plurality of grooves formed on the surface of the flat plate portion 110 opposite to the side on which the plurality of protruding portions 120 project from the hollow portion to the side surface of the flat plate portion 110. 111 is provided (see FIGS. 18B and 18C and FIG. 19).
- the plurality of grooves 111 serve as an exhaust passage.
- the grooves 111 are provided on both ends of each of the protrusions 120 in the longitudinal direction.
- an adhesive tape is attached to the surface of the flat plate portion 110 of the cushioning rubber 100 opposite to the side where the plurality of protrusions 120 project. Even if the groove 111 is formed, both ends of the groove 111 (the end on the side communicating with the cavity and the end on the side of the flat plate 110) are not blocked. Therefore, the exhaust passage can be secured.
- the configuration in which the groove 111 is provided in the flat plate portion 110 in order to provide the exhaust passage in the cushioning rubber 100 has been shown.
- the configuration for providing the exhaust passage in the cushioning rubber 100 is not limited to this, and for example, as shown by the dotted line in FIG. 17D, the configuration in which the through hole 120a is provided in the protrusion 120 is adopted. You can also do it.
- this configuration is adopted, the gas in the cavity can be exhausted directly to the outside of the pedestal 10 through the through hole 120a without providing the gap S shown in FIG. 17(b).
- the through hole 120a needs to be provided at a position where the hole is not blocked by the load 500.
- the cushioning rubber 100 it is possible to adopt a configuration in which only the groove 111 is provided in the flat plate portion 110, a configuration in which only the through hole 120a is provided in the projecting portion 120, or the groove 111 and It is also possible to adopt a configuration in which the through holes 120a are used together.
- FIG. 20 shows a modified example of the cushion rubber.
- FIG. 20 is an external view of a cushioning rubber according to a modified example of the present invention.
- 20(a) is a rear view of the cushioning rubber
- FIG. 20(b) is a side view of the cushioning rubber.
- the buffer rubber 100a according to this modification also includes a flat plate portion 110 and a plurality of protruding portions 120 protruding from the flat plate portion 110, as in the buffer rubber 100 shown in the above-described embodiment.
- the configurations of the flat plate portion 110 and the protruding portion 120 are the same as those described in the above embodiment, and thus the description thereof will be omitted.
- only the pattern of the grooves provided on the surface of the flat plate portion 110 opposite to the side on which the plurality of protrusions 120 project is different from the case of the above embodiment.
- a plurality of grooves 111 are formed so as to extend from the hollow portion to the side surface of the flat plate portion 110, as in the case of the above embodiment.
- a plurality of grooves 114 are formed so as to extend from the hollow portion of the protruding portion 120 to the side surfaces of the flat plate portion 110 on both ends in the longitudinal direction.
- the cushioning rubber 100a configured as described above Even when the cushioning rubber 100a configured as described above is adopted, the same effect as in the above-described embodiment can be obtained. Further, when the cushioning rubber 100a according to the present modification is adopted, even if any of the grooves 111 is closed due to some influence, the air is exhausted through the cavity of the other protrusion 120. Therefore, the exhaust can be performed more reliably. Further, since the groove 114 is provided, the exhaust passage can be secured even if the gap S shown in FIG. 17 is not provided.
- the through hole 120a shown in FIG. 17D may be provided in the cushioning rubber 100a according to this modification.
- FIG. 21 is an external view of a base according to the first modification of the present invention.
- 21A is a plan view of the base according to the modified example 1
- FIG. 21B is a side view showing a state in which the cushion rubber 100 shown in the above-described example is arranged on the base according to the modified example 1. It is a figure.
- the base 200a according to the first modified example also includes a bottom plate portion 210, a pair of long side wall portions 220 each provided with a hook portion 221, and a short side wall portion 230 provided with a hook portion 231. Since these configurations are the same as the configurations of the base 200 shown in the above embodiment, the description thereof will be omitted.
- the groove 211 is provided on the surface of the bottom plate portion 210. According to the base 200a configured in this way, the groove 211 functions as an exhaust passage through which the air inside the cavities of the plurality of protrusions 120 can be exhausted to the outside.
- the exhaust passage can be secured without providing the buffer rubber 100 with the groove 111 or the through hole 120a.
- the groove 111 and the through hole 120a may be provided.
- the cushioning rubber 100a according to the above modification may be attached to the base 200a.
- FIG. 22 is a figure which shows the base which concerns on the modification 2 of this invention.
- 22A is a plan view showing a state in which the cushioning rubber 100 shown in the above embodiment is arranged on the base according to the modified example 2
- FIG. 22B is a plan view of the base according to the modified example 2.
- the base 200b according to the second modified example has a bottom plate portion 210 having a rectangular planar shape, a pair of both-end hook portions 240 provided at both ends in the longitudinal direction of the bottom plate portion 210, and a longitudinal direction of the bottom plate portion 210 being 3 minutes. And a pair of central hook portions 250 that are provided so as to
- the cushioning rubber 100 is provided from the upper side to the lower side of the paper surface in FIGS. 22(a) and (b).
- the cushion rubber 100 can be attached to the base 200b by sliding it from below to above.
- both ends of the cushioning rubber 100 in the longitudinal direction are sandwiched between the bottom plate portion 210 and one of the both-end hook portions 240 and the center hook portion 250, respectively, so that the cushioning rubber 100 is positioned.
- the attached state is attached to the base 200b. 22C, the dotted line shows the position of the flat plate portion 110 when the cushioning rubber 100 is attached.
- a groove 211 is provided on the surface of the bottom plate portion 210, and the pair of both end hook portions 240 and the pair of central hook portions 250 are cut. It is also possible to adopt a configuration in which the notches 241 and 251 are provided. If this configuration is adopted, the exhaust passage is formed by the groove 211 and the notches 241 and 251. Therefore, as in the case where the base 200a according to the first modification is adopted, the exhaust passage can be secured without providing the cushion rubber 100 with the groove 111 or the through hole 120a. Of course, the groove 111 and the through hole 120a may be provided. Further, the cushion rubber 100a according to the above modification may be attached to the base 200b.
- FIG. 23 is a diagram showing a base according to the modified example 3 of the present invention.
- FIG. 23A is a plan view showing a state in which the cushioning rubber 100 shown in the above embodiment is arranged on the base according to the modified example 3
- FIG. 23B is a plan view of the base according to the modified example 3.
- the figure (c) is a typical sectional view of the base concerning modification 3 (the DD sectional view in the figure (b))
- the figure (d) is a model of the base concerning modification 3.
- FIG. 3 is a schematic sectional view (EE sectional view in the same figure (b)). Note that, in FIGS. 23C and 23D, the position of the flat plate portion 110 in the state where the cushioning rubber 100 is arranged is shown by a dotted line.
- the base 200c according to the third modification has a bottom plate portion 210 having a rectangular planar shape, and a pair of long side wall portions 220 provided along a pair of long sides at both ends in the lateral direction of the bottom plate portion 210, At both ends of the bottom plate portion 210 in the longitudinal direction, a pair of short side wall portions 230 provided along the short sides are provided.
- a plurality of hooks are provided at the ends of the long side wall portions 220 on the side opposite to the bottom plate portion 210, at intervals.
- a section 222 is provided.
- the cushioning rubber 100 is changed from the front side to the back side of the paper surface in FIGS. 23(a) and (b).
- the cushioning rubber 100 can be attached to the base 200c by fitting it into the base 200c.
- both ends of the cushion rubber 100 in the lateral direction are sandwiched by the plurality of hook portions 222 and the bottom plate portion 210, so that the cushion rubber 100 is attached to the base 200c in a positioned state.
- grooves 211 and 232 are provided on the surface of the bottom plate portion 210 and the inner wall surfaces of the pair of short side wall portions 230, respectively.
- the grooves 211 and 232 form an exhaust passage. Therefore, as in the case where the base 200a according to the first modification is adopted, the exhaust passage can be secured without providing the cushion rubber 100 with the groove 111 or the through hole 120a.
- the groove 111 and the through hole 120a may be provided.
- the cushion rubber 100a according to the above modification may be attached to the base 200c.
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Abstract
Description
平板部と、
前記平板部から突出する複数の突出部と、
を備える緩衝ゴムであって、
前記複数の突出部の周囲はいずれも前記平板部の部分により囲まれており、かつ前記複数の突出部の内部はいずれも空洞となるように構成されると共に、
前記複数の突出部における各空洞内部の空気を外部に排気可能な排気通路が設けられていることを特徴とする。
土台と、
前記土台に位置決めされた状態で配される少なくとも一つの緩衝ゴムと、
を備え、
前記緩衝ゴムは、平板部と、前記平板部から突出する複数の突出部と、を備える台座あって、
前記複数の突出部の周囲はいずれも前記平板部の部分により囲まれており、かつ前記複数の突出部の内部はいずれも空洞となるように構成されると共に、
前記土台及び前記緩衝ゴムのうちの少なくともいずれか一方には、前記複数の突出部における各空洞内部の空気を外部に排気可能な排気通路が設けられていることを特徴とする。
図1に示すように、緩衝ゴム1は、全体として平面長方形のシート状を呈するゴム成形品として形成されており、シート厚み方向(図1におけるz方向)に作用する入力荷重に対して緩衝作用を発揮する。緩衝ゴム1の平面形状や平面的な大きさは専ら積載物の形状や大きさによって定められるので、図示する緩衝ゴム1はその一例とされる。
図3(A)(B)に示すように、緩衝ゴム1は、全体として平面長方形のシート状を呈するゴム成形品として形成されており、シート厚み方向(図3(A)におけるz方向)に作用する入力荷重に対して緩衝作用を発揮する。緩衝ゴム1の平面形状や平面的な大きさは専ら積載物の形状や大きさによって定められるので、図示する緩衝ゴム1はその一例とされる。
図8および図9に示すように、緩衝ゴム1をフレーム体41の長さ方向一方から差し込む態様とし、装着代用突起37をフレーム体41の側壁42内面に設けた装着溝43に差し込むことにより緩衝ゴム1を位置決めする。装着溝43はフレーム体41の幅方向両端部にそれぞれ設けられている。また装着溝43はそれぞれフレーム体41の長さ方向に沿って長く設けられている。
図10および図11に示すように、緩衝ゴム1をフレーム体41の上方から圧入する態様とし、装着代用突起37をフレーム体41の側壁42内面に設けた係合突起44に圧入し係合することにより緩衝ゴム1を位置決めする。係合突起44はフレーム体41の幅方向両端部にそれぞれ設けられている。また係合突起44はそれぞれフレーム体41の長さ方向複数箇所(図では6箇所)に点在するように設けられている。
また、装着代用突起37を用いるものではないが、図12および図13に示すように緩衝ゴム1をフレーム体41の幅方向一方から圧入する態様とし、幅方向一対の補強用リブ36がフレーム体41の平面上に設けた係合部45の係合突起47を幅方向両側から挟み込むことにより緩衝ゴム1を位置決めするようにしても良い。係合部45はフレーム体41の平面上であって幅方向中央に設けられている。係合部45は、緩衝ゴム1を装着した状態で基部2の端部を収容することになる装着溝46を備え、この装着溝46の上方に一対の補強用リブ36によって挟み込まれることになる係合突起47を備えている。
図14(A)に示すように、側部立ち上げ面35を基部2に対し直角に立ち上がるように形成し、側部立ち上げ面35と頂面32との間に直角の角部38を設ける(垂直壁・直角タイプ)。
図14(B)に示すように、側部立ち上げ面35を基部2に対し直角に立ち上がるように形成し、側部立ち上げ面35と頂面32との間に断面円弧形のアール部39を設ける(垂直壁・角アールタイプ)。
図14(C)に示すように、側部立ち上げ面35を基部2の直角面(仮想面)2Aに対し所定の傾斜角θ1を持つよう斜めに形成する(テーパー小タイプ)。
図14(D)に示すように、側部立ち上げ面35を基部2の直角面(仮想面)2Aに対し所定の傾斜角θ2を持つよう斜めに形成し、この傾斜角θ2の大きさを第3選択肢における傾斜角θ1よりも大きく設定する(テーパー大タイプ)。
(実施例)
図17~図19を参照して、本発明の実施例に係る緩衝ゴム及び台座について説明する。図17は本発明の実施例に係る台座の外観図である。なお、図17(a)は台座の平面図であり、同図(b)は台座の側面図(同図(a)中、P方向に見た図)であり、同図(c)は台座の正面図(同図(a)中、Q方向に見た図)の一部であり、同図(d)は積載物が積載された状態における台座の正面図の一部である。図18は本発明の実施例に係る緩衝ゴムの外観図である。なお、図18(a)は緩衝ゴムの平面図であり、同図(b)は緩衝ゴムの正面図であり、同図(c)は緩衝ゴムの背面図であり、同図(d)は緩衝ゴムの側面図である。図19は本発明の実施例に係る緩衝ゴムの模式的断面図である。なお、図19(a)は図18(a)中のAA断面図であり、図19(b)は図18(a)中のBB断面図である。
本実施例に係る台座10の全体構成について説明する。本実施例に係る台座10は、各種ゴム材料により構成される緩衝ゴム100と、樹脂や金属などの剛性を有する材料により構成される土台200とから構成される。緩衝ゴム100は、土台200に位置決めされた状態で配される。なお、本実施例においては、一つの土台200に、3つの緩衝ゴム100が配される構成を示している。しかしながら、本発明においては、一つの土台に配される緩衝ゴムの個数は限定されるものではなく、一つの土台に対して少なくとも一つの緩衝ゴムが配されればよい。
緩衝ゴム100は、平板部110と、平板部110から突出する複数の突出部120とを備えている。複数の突出部120の周囲はいずれも平板部110の部分により囲まれており(図18(a)(c)参照)、かつ複数の突出部120の内部はいずれも空洞となるように構成されている(図19参照)。このように構成される緩衝ゴム100によれば、平面上に緩衝ゴム100が載置されると、それぞれの突出部120の内部の空洞の部分は密閉された空間となる。そのため、積載物500が積載されることで、突出部120が圧縮されると、密閉空間内の気体の圧力(内圧)が高くなってしまうおそれがある。なお、図17(d)においては、平面上に土台200が載置されて、緩衝ゴム100における複数の突出部120側に積載物500が積載される様子を示している。しかしながら、本実施例に係る台座10は、裏向きの状態でも利用することができる。すなわち、台座10は、緩衝ゴム100における複数の突出部120側を平面上に載置して、土台200側に積載物500を積載するように利用することも可能である。この場合でも、積載物500によって、突出部120の内部の空洞の部分は密閉された空間となる。従って、この場合でも、突出部120が圧縮されると、密閉空間内の気体の圧力(内圧)が高くなってしまうおそれがある。
本実施例に係る緩衝ゴム100及び台座10によれば、積載物500が積載されることで、突出部120が圧縮しても(図17(d)参照)、突出部120の内部における空洞内の空気は排気通路から排気される。より具体的には、空洞内の空気は、溝111により平板部110の側面側へと排気され、更に、隙間Sを通って、台座10の外部へと排気される。そのため、突出部120内の内圧が高くなってしまうことはなく、突出部120による積載物500への反発力が、突出部120の内部の圧力に左右されることはない。従って、突出部120による積載物500への反発力を安定させることができる。これにより、緩衝ゴム100を備える台座10に要求される機能(衝撃をやわらげる機能など)を安定的に発揮させることができる。
上記の実施例においては、緩衝ゴム100に排気通路を設けるために、平板部110に溝111を設ける場合の構成を示した。しかしながら、緩衝ゴム100に排気通路を設けるための構成はこれに限定されるものではなく、例えば、図17(d)中の点線で示すように、突出部120に貫通孔120aを設ける構成を採用することもできる。この構成を採用した場合には、図17(b)に示す隙間Sを設けなくても、空洞内の気体を、貫通孔120aを介して、直接、台座10の外部に排気させることができる。ただし、図示のように、貫通孔120aは、積載物500により孔が塞がれない位置に設ける必要がある。なお、緩衝ゴム100に対しては、平板部110に溝111のみを設ける構成を採用することもできるし、突出部120に貫通孔120aのみを設ける構成を採用することもできるし、溝111と貫通孔120aを併用する構成を採用することもできる。
図20には、緩衝ゴムの変形例が示されている。ここでは、上記実施例で示した緩衝ゴムの平板部に設ける溝の変形パターンについて説明する。図20は本発明の変形例に係る緩衝ゴムの外観図である。なお、図20(a)は緩衝ゴムの背面図であり、同図(b)は緩衝ゴムの側面図である。
図21を参照して、土台の変形例1について説明する。図21は本発明の変形例1に係る土台の外観図である。なお、図21(a)は変形例1に係る土台の平面図であり、同図(b)は変形例1に係る土台に上記実施例に示した緩衝ゴム100が配された状態を示す側面図である。
図22を参照して、土台の変形例2について説明する。図22は本発明の変形例2に係る土台を示す図である。なお、図22(a)は変形例2に係る土台に上記実施例に示した緩衝ゴム100が配された状態を示す平面図であり、同図(b)は変形例2に係る土台の平面図であり、同図(c)は変形例2に係る土台の模式的断面図(同図(b)中のCC断面図)である。
図23を参照して、土台の変形例3について説明する。図23は本発明の変形例3に係る土台を示す図である。なお、図23(a)は変形例3に係る土台に上記実施例に示した緩衝ゴム100が配された状態を示す平面図であり、同図(b)は変形例3に係る土台の平面図であり、同図(c)は変形例3に係る土台の模式的断面図(同図(b)中のDD断面図)であり、同図(d)は変形例3に係る土台の模式的断面図(同図(b)中のEE断面図)である。なお、図23(c)(d)においては、緩衝ゴム100が配された状態における平板部110の位置を点線にて示している。
2 基部
3 立体形状
31,33 立ち上げ面
32 頂面
34 中空部
35 側部立ち上げ面
36 補強用リブ
37 装着代用突起
38 角部
39 アール部
41 フレーム体
42 側壁
43,46 装着溝
44,47 係合突起
45 係合部
51 ベース
52 積載物(相手部品)
10 台座
100,100a 緩衝ゴム
110 平板部
111,112,113,114 溝
120 突出部
120a 貫通孔
200,200a,200b,200c 土台
210 底板部
211 溝
220 長辺側壁部
221,222 フック部
230 短辺側壁部
231 フック部
232 溝
240 両端フック部
241 切り欠き
250 中央フック部
251 切り欠き
500 積載物
Claims (11)
- シート状の緩衝ゴムであって、
平面状の基部と前記基部からシート厚み方向の一方へ向けて立ち上げ形成された立体形状とをシート平面上の一方向に沿って交互に備え、
前記立体形状は、シート厚み方向の他方へ向けて開口する中空部を備えることを特徴とする緩衝ゴム。 - 請求項1記載の緩衝ゴムにおいて、
前記立体形状は、前記基部から連なる立ち上げ面、頂面および反対側の立ち上げ面を一体に備え、
前記中空部は、シート幅方向へ向けても開口していることを特徴とする緩衝ゴム。 - 請求項1記載の緩衝ゴムにおいて、
前記立体形状は、前記基部から連なる立ち上げ面、頂面および反対側の立ち上げ面ならびに幅方向一対の側部立ち上げ面を一体に備え、
前記中空部は、シート厚み方向の他方へ向けてのみ開口していることを特徴とする緩衝ゴム。 - 請求項1、2または3記載の緩衝ゴムにおいて、
前記立体形状に連結され前記立体形状の倒れを抑制する補強用リブが前記基部の平面上に一体に設けられていることを特徴とする緩衝ゴム。 - 請求項1、2または3記載の緩衝ゴムにおいて、
前記緩衝ゴムの装着代として用いられる装着代用突起が前記緩衝ゴムの幅方向端部から幅方向へ向けて突出するよう一体に設けられていることを特徴とする緩衝ゴム。 - 請求項3記載の緩衝ゴムに発生する反力の大きさを調整する方法であって、
前記緩衝ゴムを製造するときに、
前記側部立ち上げ面を前記基部に対し直角に形成し、前記側部立ち上げ面と前記頂面との間に直角の角部を設けること、
前記側部立ち上げ面を前記基部に対し直角に形成し、前記側部立ち上げ面と前記頂面との間に断面円弧形のアール部を設けること、
前記側部立ち上げ面を前記基部の直角面に対し所定の傾斜角を持つよう斜めに形成すること
のうちのいずれかを選択することにより前記緩衝ゴムに発生する反力の大きさを調整することを特徴とする緩衝ゴムの反力調整方法。 - 平板部と、
前記平板部から突出する複数の突出部と、
を備える緩衝ゴムであって、
前記複数の突出部の周囲はいずれも前記平板部の部分により囲まれており、かつ前記複数の突出部の内部はいずれも空洞となるように構成されると共に、
前記複数の突出部における各空洞内部の空気を外部に排気可能な排気通路が設けられていることを特徴とする緩衝ゴム。 - 前記平板部における前記複数の突出部が突出する側とは反対側の面に、前記空洞内部から前記平板部の側面に至るように形成される複数の溝によって、前記排気通路が構成されることを特徴とする請求項7に記載の緩衝ゴム。
- 土台と、
前記土台に位置決めされた状態で配される少なくとも一つの緩衝ゴムと、
を備え、
前記緩衝ゴムは、平板部と、前記平板部から突出する複数の突出部と、を備える台座あって、
前記複数の突出部の周囲はいずれも前記平板部の部分により囲まれており、かつ前記複数の突出部の内部はいずれも空洞となるように構成されると共に、
前記土台及び前記緩衝ゴムのうちの少なくともいずれか一方には、前記複数の突出部における各空洞内部の空気を外部に排気可能な排気通路が設けられていることを特徴とする台座。 - 前記平板部における前記複数の突出部が突出する側とは反対側の面に、前記空洞内部から前記平板部の側面に至るように形成される複数の溝によって、前記排気通路が構成されることを特徴とする請求項9に記載の台座。
- 前記土台に形成された溝によって、前記排気通路が構成されることを特徴とする請求項10に記載の台座。
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