CN1327089C - Sound-inhibiting dewing-proof structure of cistern and washing table with said structure - Google Patents

Abstract

This sound suppressing and dew condensation preventing structure for the sink 2 is provided with the sound suppressing sheet 20 stuck to the outer surface of a bottom part 26 of a sink body 22, and the dew condensation preventing cover 21 stuck to the outer surface 23 of the sink body while covering the sound suppressing sheet. The dew condensation preventing cover is integrally formed on the whole having a recessed part 24 for fitting the sound suppressing sheet. According to this invention, it can provide a sound suppressing and dew condensation preventing structure for a water tank of a sink or the like free from the damage of a dew condensation preventing cover exhibiting a dew condensation preventing function while covering a sound suppressing sheet exhibiting a sound suppressing function.

Description

Sound suppression and dew condensation prevention structure of water tank and sink having the same structure

technical field

The present invention relates to a structure for suppressing sound and preventing dew condensation installed in sinks such as kitchens, and a sink having the structure.

Background technique

As the washing table, there are kitchens (such as integrated kitchens), face-washing and dressing tables, etc., and a sink is provided in the washing table. The sinks in the kitchen and the dressing table are usually called "sinks, washbasins" respectively.

In recent years, open kitchens designed to face the dining room and living room have gradually become popular. Therefore, when cooking or tidying up in the kitchen, if the water sprayed from the faucet comes into contact with the sink strongly, or the bottom of the sink is thermally deformed rapidly due to hot water, in this case, impact sound, echo (see below) referred to as "impact noise, etc."). In the kitchen of the above-mentioned design, since the impact sound etc. are easily transmitted directly to the dining room and the living room, it will affect people's dialogue and viewing of TV when it takes a long time for cooking or tidying up.

Then, as a technique for reducing impact sound and the like, for example, JP Publication No. 7-28215 describes a technique in which an elastic sheet for anti-vibration is bonded to the outside of a water tank such as a sink, From the upper surface of the anti-vibration elastic sheet, a cover for preventing dew condensation was attached to the outside of the water tank to cover the whole circumference of the elastic anti-vibration sheet.

In the technique described in the aforementioned JP Publication No. 7-28215, since the entire circumference of the anti-vibration elastic sheet is covered by the anti-condensation cover, there is a tendency that the bottom surface of the water tank , The thickness of the dew condensation prevention cover is often increased, especially at the peripheral portion of the anti-vibration elastic sheet, the dew condensation prevention cover is easily damaged, and its holding strength is also reduced.

The condensation prevention cover is integrally formed as a whole. When filling the anti-condensation cover into the sink body from the elastic sheet for anti-vibration, the opening side of the anti-condensation cover is forcibly enlarged, and there is a risk of damage. Installation work is difficult.

If the installed dew condensation prevention cover has a thin portion, there is a risk that the dew condensation prevention cover will be damaged during transportation and construction of the washing machine or the like. Moreover, since the surface of the foam of a dew condensation prevention cover is exposed, it also has the subject that an external appearance deteriorates.

Contents of the invention

The present invention is proposed to solve such problems, and an object of the present invention is to provide a structure for suppressing sound and preventing dew condensation of a water tank such as a sink, which is not covered with a sound suppressing sheet having a function of suppressing sound, and has the function of preventing dew condensation. The function prevents the risk of damage to the condensation cover.

Another object of the present invention is to easily attach the condensation prevention cover to the water tank by easily engaging the opening side with the sink body without damaging the condensation prevention cover. In addition, it is possible to provide a sound suppression and dew condensation prevention structure with a high sound suppression effect.

In order to achieve the above object, the structure for suppressing sound and preventing dew condensation of a sink such as a sink of the present invention is characterized in that it includes a sound suppressing sheet, and the sound suppressing sheet is fixed on the outside of the bottom of the sink body of a sink such as a sink; An anti-condensation cover, the anti-condensation cover covers the sound suppression sheet, and is fixed on the outer surface of the above-mentioned sink body; the anti-condensation cover has a recess for filling the above-mentioned sound suppression sheet, and is integrally formed as a whole , the recess has a planar bottom; the above-mentioned anti-condensation cover is filled in a surplus manner, the planar shape of the recess of the above-mentioned anti-condensation cover is larger than the planar shape of the above-mentioned sound suppression sheet, and the surrounding wall of the recess and the There is a gap along the entire circumference or a part of the circumference between the outer peripheral portions of the sound suppression sheet. That is, the sound suppressing and dew condensation preventing structure of the water tank includes a sound suppressing sheet for fixing to the outside of the bottom of the sink main body such as a sink, and a condensation preventing cover for covering The sound suppressing sheet is fixed on the outer surface of the water tank main body. The condensation prevention cover has a recess filled with the sound suppressing sheet and is integrally formed as a whole. The recess has a planar bottom.

Preferably, the above-mentioned anti-condensation cover can be filled in a surplus manner, the planar shape of the concave portion of the above-mentioned anti-condensation cover is larger than the planar shape of the above-mentioned sound sheet, and the gap between the peripheral wall of the concave portion and the surrounding of the sound suppression sheet Between the outer peripheral edge parts, there is a gap along the entire circumference or a part of the circumference.

Preferably, the above-mentioned anti-condensation cover body includes a cover bottom formed with a concave portion and an upright portion, and the upright portion stands up from the outer peripheral edge of the above-mentioned cover bottom so as to be fixed on the side outer peripheral surface of the above-mentioned water tank body and integrally integrated. The cover body is formed, and at least one rib-shaped bent portion is formed on the upright portion so that the opening side of the upright portion can be forcibly enlarged against elastic force when the dew condensation prevention cover is installed.

Preferably, the planar bottom of the above-mentioned concave portion has a corrugated or predetermined-shaped concavo-convex portion and is integrally formed as a whole so as to increase the rigidity of the concave portion.

In addition, the noise suppression and dew condensation prevention structure of a water tank such as a washing table according to another invention of the present invention includes a sound suppression sheet fixed to the outer surface of the bottom of the water tank main body such as a washing table; The anti-condensation cover is used to cover the sound suppressing sheet, and is fixed on the outer surface of the above-mentioned water tank body. The anti-condensation cover has a bottom of the cover and an upright part, and the upright part stands up from the outer periphery of the bottom of the cover so that It is fixed on the side outer peripheral surface of the above-mentioned water tank main body, and the cover main body is integrally formed as a whole, and at least one bent part that is bent in a rib shape is formed on the upright part, so as to resist the elastic force when the condensation prevention cover is installed, The opening side of the above-mentioned standing portion may be forcibly enlarged.

Preferably, in the sound suppressing and dew condensation prevention structure of a water tank such as a washing table, each of the above dew condensation prevention covers is an independent body having a certain strength before installation.

In addition, the sound suppressing sheet has a multi-layer structure, and in the multi-layer structure, the elastic layer for fixing the outer surface of the bottom of the tank body is bonded to the constraining layer on the outer surface of the elastic layer. In addition, it is preferable that the above-mentioned dew condensation prevention cover has a multi-layer structure, and in this multi-layer structure, the resin foam layer on the outer surface of the above-mentioned water tank body and the resin on the outer surface side of the resin foam layer are fixed. The non-foam layer is bonded together.

The washing table of the present invention is a washing table having the above-mentioned structure for suppressing sound and preventing dew condensation. The above-mentioned sound-suppressing sheet is fixed on the bottom surface of the sink main body of the washing table. The above-mentioned anti-condensation cover covers the above-mentioned sound-suppressing sheet and is fixed on above the outside of the sink body. For example, set up the sink in the kitchen.

Since the sink of the sink such as the sink of the present invention has a structure for suppressing sound and preventing dew condensation, the sink having this structure has a recessed portion, and the dew condensation prevention cover is integrally formed as a whole, so the sound suppressing sheet is filled into the recessed portion, There is no risk of damage to the condensation prevention cover.

In addition, by integrally forming at least one bent portion bent in a rib shape on the upright portion of the dew condensation prevention cover as a whole, the elastic force can be resisted when the dew condensation prevention cover is installed, and the area can be forcibly expanded. The open side of the upright. Then, without damaging the dew condensation prevention cover, the opening side can be easily engaged with the water tank main body, and it can be easily attached to the water tank.

Description of drawings:

Figures 1 to 17 are diagrams of embodiments of the present invention, and Figure 1 is a perspective view of an integrated kitchen;

Fig. 2～Fig. 11 are the figures that represent an embodiment of the present invention, and Fig. 2 is the oblique view of the sink of above-mentioned integral kitchen;

Fig. 3 is an oblique view of the pool shown in Fig. 2 in an inverted state;

Fig. 4 is a sectional view along line IV-IV in Fig. 2;

Fig. 5 is the exploded oblique view of above-mentioned pool;

Fig. 6 is the oblique view of suppressing sound sheet;

Fig. 7 is a sectional view along line VII-VII in Fig. 6;

Figure 8 is a plan view of the anti-condensation cover;

Fig. 9 is a perspective view of the above-mentioned anti-condensation cover;

Figure 10 is a perspective view of the above-mentioned anti-condensation cover in an upside-down state;

Fig. 11 is a sectional view along the line XI-XI in Fig. 9;

Fig. 12 is a perspective view of the washing tray of the first modified example of this embodiment, which corresponds to Fig. 2;

Fig. 13 is a cross-sectional view of a washing tray of a second modified example, which corresponds to Fig. 4;

Fig. 14 is an exploded oblique view of the sound suppression sheet and the condensation prevention cover of the second modified example;

Fig. 15 is a perspective view of the pool of the third modified example, which corresponds to Fig. 3;

Figure 16 is a cross-sectional view of the washing tray shown in Figure 15, which corresponds to Figure 4;

FIG. 17(A) is a diagram showing experimental results related to impact sound and the like, and FIG. 17(B) is an explanatory diagram showing measurement positions.

Detailed ways

In the following embodiments, the dew condensation prevention cover is formed with a recess for filling the sound suppressing sheet, and at least one bent portion bent in a rib shape is formed integrally with the dew condensation prevention cover as a whole. The upright portion thereby achieves the purpose of preventing damage to the condensation cover.

In addition, in the embodiment, it was carried out on a sink of a sink or a kitchen, but it may also be a washstand or the like. That is, the sound suppression and dew condensation prevention structure of the present invention may be used in a washbasin of a water tank of a vanity vanity.

Example

Embodiments of the present invention will be described below with reference to FIGS. 1 to 17 .

Fig. 1 is a perspective view of an integrated kitchen using the present invention. As shown in FIG. 1, in this embodiment, as a sink (sink) 2 of an integrated kitchen 1 installed in a kitchen (sink), the noise suppression and dew condensation prevention of sinks such as sinks according to the present invention are adopted. structure.

In addition, for the convenience of description, D1, D2, D3, D4 in FIG. 1 are respectively described as the left side, the right side, the front side, and the rear side of the integrated kitchen 1.

The integrated kitchen 1 includes cabinets 3 arranged on the ground. In the cabinet 3, a plurality of drawers (drawers 4, 5, etc.) of various shapes and structures are provided in a freely extractable manner.

The cabinet 3 is composed of the following cabinets, that is, from left to right, a stove cabinet 6, a cooking table cabinet 7, a sink cabinet 8, and another cooking table cabinet 9, as well as the work surface covering the top of the cabinets 6-9 10.

In the stove cabinet 6, a stove 13 is assembled. The work surface 10 on the top of one of the cooking table kitchen cabinets 7 constitutes a cooking table 11 . On the work top 10 at the top of the cabinet 8, the sink 2 (or the sinks 2a, 2b, 2c) having the sink is provided. In another cooking table kitchen cabinet 9 , a tableware washing and drying machine 12 is installed, and the work table portion 10 on the top constitutes a cooking table 11 .

In this way, the stove 13, a plurality of drawers, and the like are installed in the stove cabinet 6 to constitute independent kitchen furniture. In the same way, the other cabinets 7 and 8 each have a pool 2 (or pools 2a-2c), drawers, etc., and the cabinet 9 also has a tableware washing and drying machine 12 and a drawer. The integrated kitchen 1 is composed of separate kitchen furniture. composite kitchen furniture.

2 to 11 are diagrams showing an embodiment of the present invention. Fig. 2 is an oblique view of the pool 2 of the integral kitchen 1, Fig. 3 is an oblique view of the pool 2 shown in Fig. 2 in an upside-down state, Fig. 4 is a cross-sectional view along line IV-IV in Fig. 2 , and Fig. 5 is a view of the pool 2 Figure 6 is a perspective view of the sound suppressing sheet, Figure 7 is a cross-sectional view along line VII-VII in Figure 6, Figure 8 and Figure 9 are a plan view and a perspective view of the anti-condensation cover, Figure 10 FIG. 11 is a cross-sectional view along line XI-XI in FIG. 9 , which is a perspective view of the above-mentioned anti-condensation cover in an upside-down state.

Fig. 12 is an oblique view of the pool 2a of the first modified example of this embodiment, which corresponds to Fig. 2, Fig. 13 is a cross-sectional view of the pool 2b of the second modified example, which corresponds to Fig. 4, and Fig. 14 is the second embodiment Figure 15 is an oblique view of the pool 2c of the third modified example, which corresponds to Figure 3, and Figure 16 is a cross-sectional view of the pool 2c shown in Figure 15, which corresponds to in Figure 4.

The pools 2, 2a to 2c and the sound suppressing and dew condensation preventing structures of the present embodiment and various modified examples will be described below.

In the pools 2, 2a-2c, a sound-suppressing sheet 20 with a sound-suppressing function is provided, and a dew-condensation preventing cover 21, 21a-21c with a dew-condensation function is provided to form a sound-suppressing and dew-condensing prevention structure.

The sound suppressing sheet 20 is fixed to the outer surface of the bottom 26 of the sink main body 22 as the sink main body with an adhesive. The anti-condensation covers 21, 21a-21c cover the sound suppressing sheet 20, and are fixed on the outer surface (the outer surface of the sink main body) 23 of the pool body 22 by an adhesive. The covers 21, 21a-21c also have the following functions , That is, the sound suppressing sheet 20 is pressed against the pool body 22 to prevent the sound suppressing sheet 20 from falling off. In addition, the dew condensation prevention covers 21, 21a to 21c are also fixed to the sound suppressing sheet 20 with an adhesive.

In the pools 2, 2a-2c, the structure of the sound suppressing sheet 20 is basically the same or similar, but the structures of the condensation prevention covers 21, 21a-21c are slightly different.

That is, the cover bottom 40 of the anti-condensation cover 21 of the pool 2 of the present embodiment ( FIGS. 2 to 11 ) is integrally formed with the concave portion 24 and has a relatively high upright portion 41 with a height H1. A curved portion 42 is formed on the upright portion 41 .

The cover bottom 40 of the condensation prevention cover 21a of the pool 2a in the first modified example (FIG. 12) is integrally formed with the recessed portion 24 in the same manner as the above-mentioned condensation prevention cover 21, but the height of the upright portion 41a is Reduced to H2. As a result, no bent portion is formed on the upright portion 41 .

In the second modified example ( FIG. 13 , FIG. 14 ), the anti-condensation cover 21b of the pool 2b is integrally mounted on a part of the outer surface of the bottom 26 of the pool 22, and the recess 24 is also integrally formed. Then, the upright portion and the curved portion are not provided on the dew condensation prevention cover 21b.

In the dew condensation prevention cover 21c of the pool 2c of the third modified example (FIG. 15, FIG. 16), there is an upright portion 41 having a high height H1, and a curved portion 42 is formed on the upright portion 41. The same concave portion as the concave portion 24 of the present embodiment, the first modification example, and the second modification example is not formed on the cover bottom portion 40c of the dew condensation prevention cover body 21c.

In this embodiment and various variants, the pool main body 22 is a predetermined shape with an upper opening, a hollow cylindrical shape with a bottom, and is integrally formed as a whole. Viewed from a plane, the pool body 22 has a nearly rectangular shape with a circular radius as a whole.

The pool main body 22 includes a substantially flat bottom 26, in which a discharge port 25 is opened; a side 27, which rises upwards from the entire periphery of the bottom 26; a flange 28, The flange 28 extends integrally outward in the horizontal direction from the entire circumference of the top outer peripheral edge of the side surface 27 .

The dew condensation prevention covers 21, 21a, 21c have a predetermined shape close to a rectangle with a radius of a circle as a whole when viewed in plan, and are integrally formed as a whole.

The dew condensation prevention cover 21, 21a includes a cover bottom 40 formed with a concave portion 24, and upstanding portions 41, 41a. The upright portions 41 , 41 a stand up from the entire outer peripheral edge of the cover bottom 40 so as to be fixed to the outer peripheral surface of the side surface 27 of the pool main body 22 .

The condensation prevention covers 21 , 21 a , 21 b have recesses 24 for filling the sound suppression sheet 20 . Since the sound suppression sheet 20 is filled in the recesses 24 of the dew condensation prevention covers 21, 21a, 21b, there is no risk of breakage due to the small thickness of the dew condensation prevention cover extended.

Since the planar bottom of the concave portion 24 has the corrugated (or predetermined shape) concavo-convex portion 29 and is integrally formed as a whole, the rigidity of the concave portion 24 is improved.

The sound suppressing sheet 20 has a rectangular shape (or a predetermined shape), and is fixed on the outer surface of the bottom 26 of the pool main body 22 .

Given above on the pool main body 22, the occasion of fixing a rectangular sound suppressing sheet 20, but also can be rectangular, or multi-block (such as 2, 4, 6) sound suppressing sheets of prescribed shape It is fixed on the outside of the bottom 26 of the pool main body 22 . In this case, a plurality of recesses for filling the sound suppression sheets are formed in the condensation prevention covers 21, 21a, 21b corresponding to the shape, number, and installation positions of the sound suppression sheets.

The planar shape of the concave portion 24 of the condensation prevention covers 21, 21a, 21b is slightly larger than that of the sound suppressing sheet 20 so that the sound suppressing sheet 20 can be filled therein with a margin.

The recesses 24 of the dew condensation prevention covers 21, 21a, 21b and the sound suppressing sheet 20 are respectively rectangular, and between the peripheral wall of the recess 24 and the outer peripheral edge around the sound suppressing sheet 20, along the entire circumference or a part of the periphery with gap d. Accordingly, it is possible to suppress the entire sound sheet 20 from filling the recess 24 with a margin without remaining on the condensation prevention covers 21 , 21 a , and 21 b.

The gap d is 10 mm over the entire circumference of the sound suppressing sheet 20 , and in this embodiment, the gap d is a so-called play, which can be changed according to the positional relationship between the concave portion 24 and the sound suppressing sheet 20 .

In the pools 2, 2a, 2b, since a gap d is formed between the concave portion 24 and the sound suppressing sheet 20, the gap d absorbs the dimensional error of the sound suppressing sheet 20 and the condensation prevention cover 21, 21a, 21b. , This suppresses the installation accuracy of the sound sheet and the anti-condensation cover, and suppresses the influence of expansion and contraction of the sound sheet and the anti-condensation cover.

Therefore, when installing the condensation prevention covers 21, 21a, 21b, since the concave portion can be easily engaged with the sound suppressing sheet 20, the installation work of the condensation prevention covers 21, 21a, 21b is simple. Stablize.

The pool 2c (FIG. 15, FIG. 16) includes a sound suppressing sheet 20 and a condensation preventing cover 21c.

The anti-condensation cover 21c includes a cover bottom 40c and an upright portion 41, integrally forming the cover 21 as a whole, and the upright portion 41 stands up from the entire outer periphery of the cover bottom 40c so as to be fixed on the side of the pool main body 22 27 on the peripheral surface.

In the condensation prevention covers 21, 21c of the pools 2, 2c, at least one (here, four) curved portions 42 curved in a vertically long rib shape are formed on the upright portion 41 . The curved portion 42 protrudes outward from the outer peripheral surface of the dew condensation prevention covers 21 and 21c, and has a cross-sectional shape such as arc shape (for example, arc shape), V shape, W shape, or rectangle shape.

The curved portions 42 are respectively provided at the four corners of the upright portion 41 with smaller curvature radii. Then, when the opening side 43 of the upright portion 41 is stretched outward, since the force is concentrated on the curved portion 42 at the corner, the four curved portions 42 are mainly elastically deformed, and the sides of the opening side 43 can be expanded in a well-balanced manner.

In addition, the figure only shows the case where a total of four bent portions 42 are formed on the dew condensation prevention cover 21, 21c, but the present invention is not limited thereto, and any number of bending portions 42 may be formed at any position of the dew condensation prevention cover. bend 42 .

For example, at other corners where the radius of curvature of the anti-condensation cover is smaller, a curved portion 42 can also be formed, and when a total of six curved portions are formed, the curved portion 42 can be formed between the corners to form A total of seven, nine, ten, fourteen, etc. bends.

Since the curved portion 42 is formed on the upright portion 41 in the pool 2, 2c, the pool body 22 is absorbed by the bent portion 42, and the size error of the dew condensation prevention cover 21, 21c is prevented. The installation accuracy of the cover bodies 21, 21c is to prevent the effects of expansion and contraction of the condensation cover bodies 21, 21c.

Therefore, since the dew condensation prevention covers 21, 21c can be enlarged and easily and satisfactorily engaged with the pool body 22, the installation operation of the dew condensation prevention covers 21, 21c is simple and stable.

The anti-condensation covers 21, 21a, 21c have an upright portion 41 and have a certain strength. They can be separated from each other before installation, and can be installed as a whole to form a whole. Therefore, handling operations such as transportation and storage of the dew condensation prevention covers 21, 21a, and 21c, and installation operations for filling them in a water tank are easy.

The sound suppressing sheet and the anti-condensation cover body can also be single-layer structure respectively, but, the pool 2 of the present embodiment and each modified example, the sound suppressing sheet 20 of 2a～2c is multi-layer structure (here is double-layer structure) , wherein, the elastic layer 50 formed for fixing on the outer surface of the bottom 26 of the pool main body 22, and the constraining layer 51 on the outer side of the elastic layer 50 (refer to FIGS. 5 to 7, FIG. 14 ) are attached.

When the pool body 22 vibrates due to impact or the like, the elastic layer 50 deforms together with the pool body 22 and has a function of suppressing the vibration of the pool body 22 . The constraining layer 51 has a function of constraining deformation of the elastic layer 50 due to vibration.

The adhesive layer on the bottom side of the elastic layer 50 is fixed to the top surface of the constraining layer 51 , whereby the elastic layer 50 and the constraining layer 51 are integrated. Before the sound suppressing sheet 20 is attached to the pool body 22, the entire adhesive layer on the top side of the elastic layer 50 is covered with a protective cover (not shown).

If the protective cover is removed before the sound suppression sheet 20 is installed on the bottom 26 of the pool main body 22, the adhesive layer on the top surface side of the elastic layer 50 is exposed, and it can be bonded to the bottom 26 of the pool main body 22. On the outside, the sound suppressing sheet 20 is fixed on the bottom outside of the pool main body 22 .

The elastic layer 50 itself is a three-layer structure with an adhesive layer attached to the top surface and the bottom surface of the adhesive elastic layer, and it is a plate with a thickness of about 6mm, and its material is made of hard or soft rubber (preferably Butyl rubber), synthetic rubber, inorganic fillers and softeners, etc.

The constraining layer 51 is a metal plate made of stainless steel (such as SUS304) with a thickness of about 0.1 mm. In addition, the constraining plate 51 may also be made of other metals (such as aluminum) or resin plates.

The vibration suppressing material such as rubber constituting the elastic layer 50 is a material with a particularly large internal loss, and it is directly attached to the vibration transmission part, thereby converting vibration energy into thermal energy and reducing vibration at the time of resonance. The resulting solid-borne sound.

The thickness ratio of the vibration suppressing material has a large influence on the energy loss coefficient, but has a characteristic that the loss coefficient saturates at a relatively constant thickness. Typically, effective use is achieved where the thickness of the vibration dampening material is about 1 to 3 times the thickness of the substrate (in this case the bottom 26 of the pool body 22).

A sheet-like single-layer vibration-suppressing material or a non-constrained vibration-suppressing sheet stacked between sheet-like vibration-suppressing materials has only an elastic layer without a constrained layer, and the elastic layer stretches and deforms due to vibration, but The vibration suppression effect is not obvious. Thus, if the non-constrained type is intended to achieve the vibration suppression effect and the thickness of the vibration suppression sheet is more than necessary, the weight of the vibration suppression sheet will increase, and the weight acting on the bonding portion of the sheet and the pool body will be increased. Increase.

Therefore, according to the present invention, the sound suppressing sheet 20 has a multilayer structure (here, a two-layer structure) in which a constraining layer 51 for restraining deformation of the elastic layer 50 is bonded to the elastic layer 50 formed of a vibration suppressing material.

In this sound suppressing sheet 20, the constraining layer 51 is provided to constrain the deformation of the elastic layer 50 and absorb the energy of "sliding deformation", thereby reducing vibration and effectively reducing solid-borne sound, impact sound, and the like.

In addition, compared with the unconstrained type, the overall thickness of the suppressing sound sheet 20 can be reduced, and the weight can be reduced, so the burden on the bonding part can be reduced.

When the pool body 22 is made of metal, it is preferable that the constraining layer 51 of the sound suppressing sheet 20 is also made of the same metal.

When the pool main body 22 is made of stainless steel (such as SUS304), the constraining layer 51 is made of stainless steel (such as SUS304) which is the same metal. In this way, even when the constraining layer 51 is in direct contact with the pool body 22, corrosion of dissimilar metals due to galvanic corrosion can be prevented by suppressing errors in the attaching operation of the acoustic sheet 20.

The condensation prevention covers 21 of the pools 2, 2a-2c, 21a-21c are multi-layer structures (here, a double-layer structure), wherein the outer surface 23 for fixing the pool main body 22 (in addition, the sound suppression sheet 20 ) on the resin foam layer 55, and the resin non-foam layer 56 on the outer side of the resin foam layer 55 (refer to FIG. 11 ).

As the material of the dew condensation prevention covers 21, 21a to 21c, there are synthetic resins such as polypropylene (PP), polystyrene (PS), polyethylene (PE), etc., because these materials have low thermal conductivity, so sufficient anti-condensation function.

As shown in the figure, the anti-condensation cover 21, 21a-21c is a double-layer structure, wherein, for example, a cross-linked polypropylene resin is used as a material. The resin foam layer 55 on the pool main body 22 side is formed of a relatively soft polypropylene foam (thickness t=3 mm). The outer resin non-foamed body layer 56 is formed of relatively hard polypropylene non-foamed body (thickness t=0.33mm), and the foamed body layer 55 and the non-foamed body 56 are vacuum molded parts.

In this way, the relatively soft resin foam layer 55 and the relatively hard resin non-foam layer 56 are laminated, so the resin non-foam layer 56 functions as a reinforcing material. Therefore, the dew condensation prevention covers 21, 21a to 21c are difficult to break, have a certain strength, and can be independent before installation. Since the non-foamed resin layer 56 is located outside and forms the appearance surface, the foam surface is not exposed and the appearance is good.

Since the sound suppressing sheet 20 and the anti-condensation covers 21, 21a to 21c are each of a two-layer structure (multilayer structure), even if there is a temperature difference between the inside and the outside of the pool 2, 2a to 2c, the sound suppressing sheet 20 and the anti-condensation cover is still difficult to warp and fall off.

Next, the steps of installing the sound suppressing sheet 20 and the condensation preventing covers 21, 21a to 21c on the pool main body 22 will be described.

With regard to the pools 2, 2a to 2c, first, the parts on the outer surface 23 of the pool body 22 where the sound suppressing sheet 20 and the condensation prevention cover are fixed are degreased and the surface is cleaned. Next, fill in the positioning piece for installing the sound suppression sheet in the pool main body 22 . Next, the protective cover of the rectangular sound suppressing sheet 20 cut to a predetermined size is removed to expose the adhesive layer of the elastic layer 50 .

Since the adhesive has been coated on the adhesive layer, the sound suppressing sheet 20 is attached to the bottom 26 of the pool main body 22 . Due to the use of positioning parts, the sound suppressing sheet 20 can be attached to a prescribed position with high precision. When performing the above-mentioned attachment, it is preferable to perform fitting from the end while pumping out the air on the bonding surface.

After taking off the positioning piece, the adhesive agent for attaching the anti-condensation cover is applied to the outside of the bottom 26 of the pool main body 22, the outer peripheral surface of the side 27, and the surface of the sound sheet 20 (constraint layer 51). Surface) and other predetermined fixed parts. Similarly, in the case of the pools 2a, 2b, an adhesive is applied to a predetermined position to be fixed in accordance with the shape of the dew condensation prevention covers 21, 21a to 21c.

Then, if the anti-condensation covers 21, 21a-21c are covered with the sound suppressing sheet 20 and fixed on the outer surface 23 of the pool main body 22 and the sound suppressing sheet 20, the pools 2, 2a-2c are formed.

In the upright portion 41 of the dew condensation prevention covers 21, 21a to 21c, the curved portion 42 is integrally formed as a whole. Therefore, in the case of installing the anti-condensation covers 21, 21a-21c, if the opening side is pulled outward, the upright portion 41 resists the elastic force, and the bending portion 42 is easily elastically deformed, and the opening side can be enlarged. 43.

In this state where the opening 43 side is enlarged, the condensation prevention covers 21, 21c can be engaged with the pool main body 22, and the condensation prevention covers 21, 21c can be easily attached to the pools 2, 2c without being damaged.

When installing the anti-condensation cover 21, 21c, since the adhesive has been applied to the pool body 22, etc., at the initial stage when the anti-condensation cover 21, 21c enters, the anti-condensation cover 21, 21c and the When the adhesive applied on the side surface outer peripheral surface of the pool main body 22 comes into contact with it, it is pasted there, and the entry operation is interrupted.

Then, since the anti-condensation cover body 21, 21c of the present invention is provided with the curved portion 42, the opening side 43 of the upright portion 41 can be easily enlarged, so it is easy to perform the entry operation of the anti-condensation cover body 21, 21c, and the adhesive workability is improved. good.

Since the bent portion 42 is formed, the condensation prevention covers 21 and 21c are less prone to deformation such as wrinkles after installation. In addition, the anti-condensation cover 21, 21c can be made of a hard material that is difficult to stretch, so it is not easily deformed.

Since the assembled anti-condensation covers 21 and 21c can be restored to their original shape by virtue of elasticity, the upright portion 41 is in close contact with the outside of the pool main body 22 without gaps. As a result, the dew condensation prevention function is effectively realized, and the appearance is also good.

Since the dew condensation prevention covers 21, 21a to 21c have a certain strength and are integrally formed as a whole, there is no part stretched and thinned after installation, so necessary plate thickness is ensured and it is difficult to be damaged.

Since the resin foam layer 55 of the dew condensation prevention covers 21, 21a to 21c is fixed to the pool body 22, it not only has the dew condensation prevention function but also has the sound suppression function. In addition, since the resin-made non-foam layer 56 is provided in the dew condensation prevention covers 21, 21a-21c, the weight increases, so the vibration of the pools 2, 2a-2c is reduced, and a noise reduction effect is achieved.

If the anti-condensation covers 21, 21a-21c are installed, the sound-suppressing sheet 20 is filled in the recess 24 of the anti-condensation covers 21, 21a-21c, so it is firmly fixed on the outer surface 23 of the pool main body 22. Therefore, a part of the dew condensation prevention covers 21, 21a to 21c will not be peeled off or floated.

In addition, the sound suppressing sheet 20 may be fixed in advance to the recesses 24 of the condensation prevention covers 21 , 21 a , 21 c to be integrally formed as a whole, and then they may be attached to the pool main body 22 . In this case, the planar shape of the concave portion 24 is substantially the same as that of the sound suppressing sheet 20 or slightly larger to reduce the size of the gap d between the sound suppressing sheet 20 and the peripheral wall of the concave portion 24 .

The experiments carried out for the present invention are described below. FIG. 17(A) is a diagram showing experimental results related to impact sound, and FIG. 17(B) is an explanatory diagram showing measurement positions.

The test objects of this experiment are the pools of "Past A", "Past B", and "Invention", and the sound of water splashing from each pool, the sound of dropping a cup, and the sound of boiling hot water were measured respectively. The measurement was performed in a state where each test body (sink) was installed in the kitchen S.

The numerical value in FIG. 17(A) shows the average value of the measured value after repeating 3 times under the same conditions for each test body. The experimental conditions are as follows, and the symbol t represents the thickness.

Existing A (pool): only thin anti-condensation cover (foamed PE (t=3mm)

· Existing B (pool): only suppress sound sheet (rubber (t=3mm)

・The present invention (pool 2): sound suppressing sheet (mixture of rubber etc. (t=6mm) + SUS304 (t=0.1mm) 20 + anti-condensation cover (t=3mm) 21

·Measurement position: Install the noise meter G vertically above the front side edge in the middle of the pool and at a height of 155cm from the ground to measure impact sounds, etc.

In conventional A pool, only the thin anti-condensation cover is fixed to the pool main body, and in conventional B pool, only the sound suppression sheet is fixed to the pool main body. The pool of the present invention adopts the pool 2 given in the above-mentioned embodiments.

For the sound of splashing water, the impact sound and the like when a certain amount of water is sprayed from the faucet into the sink are measured. For the sound when the cup is dropped, the impact sound when the cup of 142.7 g is dropped from a height of 2.5 cm, etc. is measured. Regarding the boiling sound of hot water, when hot water suddenly flows into the pool, or when hot water and cold water are alternately flowed into the pool, whether or not the pool undergoes thermal deformation and produces sound is measured.

17 (A), in the pool 2 of the present invention, the sound of water splashing and the sound of the cup falling are smaller than in the past A and past B. In addition, the sound of boiling hot water does not occur once. . Thus, according to the present invention, impact sound and the like generated in the pool can be reduced.

According to the present invention, the sound suppression sheet 20 and the condensation prevention covers 21, 21a to 21c can be easily installed on the pool body 22, and the sound suppression sheet 20 and the condensation prevention covers 21, 21a to 21c can be held more easily. Strength and durability, and realize the soundproof effect, achieved the silent effect.

The embodiments (including various modified examples) of the present invention have been described above, however, the present invention is not limited to the above-described embodiments, and various modifications and additions are possible within the scope of the present invention.

In addition, the same code|symbol in each drawing represents the same, corresponding part.

The present invention is not only applicable to sinks such as integrated kitchens, but also applicable to wash basins of face-washing counters and the like.

Claims (14)

1. A sound-suppressing and dew-condensing structure for sinks such as washstands, characterized in that it comprises, Suppressing the sound sheet (20), the sound suppressing sheet (20) is fixed on the outside of the bottom (26) of the sink body (22) of the sink (1) or the like; An anti-condensation cover (21, 21a, 21b), the anti-condensation cover (21, 21a, 21b) covers the sound suppression sheet (20), and is fixed on the outer surface (23) of the above-mentioned water tank main body (22); The anti-condensation cover (21, 21a, 21b) has a recess (24) for filling the above-mentioned sound suppressing sheet (20), which is integrally formed as a whole, and the recess (24) has a planar bottom; The above-mentioned anti-condensation cover (21, 21a, 21b) is filled with a surplus, and the planar shape of the concave part (24) of the above-mentioned anti-condensation cover (21, 21a, 21b) is larger than that of the above-mentioned sound suppression sheet (20). The planar shape has a gap (d) along the entire circumference or a part of the circumference between the peripheral wall of the concave portion (24) and the peripheral edge portion around the sound suppressing sheet (20). 2. The structure for suppressing sound and preventing condensation of water tanks such as washstands according to claim 1, characterized in that: the above-mentioned sound suppressing sheet (20) is a multi-layer structure, and in the multi-layer structure, it is used to be fixed on The elastic layer (50) on the outside of the bottom of the tank body (22) is attached to the constraining layer (51) on the outer side of the elastic layer (50). 3. The structure for suppressing sound and preventing dew condensation of sinks such as washing stations according to claim 1, characterized in that: the above-mentioned dew condensation prevention cover (21, 21a, 21b) is a multi-layer structure, and in the multi-layer structure Among them, the resin foam layer (55) for fixing on the outer surface of the above-mentioned water tank body and the resin non-foam layer (56) on the outer side of the resin foam layer (55) are bonded together. 4. A sink with a sound suppression and dew condensation prevention structure for a sink such as a sink, which is a sink with a sound suppression and dew condensation prevention structure for a sink such as a sink according to claim 1, characterized in in: Outside the bottom of the sink main body (22) of the sink (1), a sound suppressing sheet (20) is fixed, and the above-mentioned anti-condensation cover (21, 21a, 21b) covers the above-mentioned sound suppressing sheet (20), and is fixed on the On the outside (23) of above-mentioned tank main body (22). 5. A sink having a sound suppression and dew condensation prevention structure for a sink such as a sink, which is a sink with a sound suppression and dew condensation prevention structure for a sink such as a sink as claimed in claim 2 or 3, It is characterized in that the above-mentioned sound suppression sheet (20) is fixed outside the bottom of the sink body (22) of the washing table (1), and the above-mentioned anti-condensation cover (21, 21a, 21b) covers the above-mentioned sound suppression sheet (20) , be fixed on the outside (23) of above-mentioned tank main body (22). 6. A sound-suppressing and dew-condensing structure for sinks such as washstands, characterized in that it comprises, Suppressing the sound sheet (20), the sound suppressing sheet (20) is fixed on the outside of the bottom (26) of the sink body (22) of the sink (1) or the like; An anti-condensation cover (21, 21a, 21b), the anti-condensation cover (21, 21a, 21b) covers the sound suppression sheet (20), and is fixed on the outer surface (23) of the above-mentioned water tank main body (22); The anti-condensation cover (21, 21a, 21b) has a recess (24) for filling the above-mentioned sound suppressing sheet (20), which is integrally formed as a whole, and the recess (24) has a planar bottom; The above-mentioned anti-condensation cover (21, 21a, 21b) includes a cover bottom (40) formed with a concave part (24) and an upright part (41), and the upright part (41) stands up from the outer periphery of the cover bottom (40). , so as to be fixed on the outer peripheral surface of the side surface of the above-mentioned water tank main body (22), and form the cover main body integrally as a whole; At least one bent portion (42) that is rib-shaped and bent is formed on the upright portion (41), so that when the condensation prevention cover (21, 21a, 21b) is installed, the above-mentioned upright portion can be forcibly enlarged by resisting the elastic force. The opening side (43) of the part (41). 7. The structure for suppressing sound and preventing condensation of water tanks such as washstands according to claim 6, characterized in that: the above-mentioned sound suppressing sheet (20) is a multi-layer structure, and in the multi-layer structure, it is used to be fixed on The elastic layer (50) on the outside of the bottom of the tank body (22) is attached to the constraining layer (51) on the outer side of the elastic layer (50). 8. The sound-suppressing and dew-condensing structure for sinks such as washstands according to claim 6, characterized in that the above-mentioned dew-condensing cover (21, 21a, 21b) is a multi-layer structure, and in the multi-layer structure Among them, the resin foam layer (55) for fixing on the outer surface of the above-mentioned water tank body and the resin non-foam layer (56) on the outer side of the resin foam layer (55) are bonded together. 9. A sink with a sound suppression and dew condensation prevention structure for a sink such as a sink, which is a sink with a sound suppression and dew condensation prevention structure for a sink such as a sink as claimed in claim 6, characterized in in: Outside the bottom of the sink main body (22) of the sink (1), a sound suppressing sheet (20) is fixed, and the above-mentioned anti-condensation cover (21, 21a, 21b) covers the above-mentioned sound suppressing sheet (20), and is fixed on the On the outside (23) of above-mentioned tank main body (22). 10. A sink having a sound suppression and dew condensation prevention structure for a sink such as a sink, which is a sink with a sound suppression and dew condensation prevention structure for a sink such as a sink according to claim 7 or 8, It is characterized in that the above-mentioned sound suppression sheet (20) is fixed outside the bottom of the sink body (22) of the washing table (1), and the above-mentioned anti-condensation cover (21, 21a, 21b) covers the above-mentioned sound suppression sheet (20) , be fixed on the outside (23) of above-mentioned tank main body (22). 11. A sound-suppressing and dew-condensing structure for sinks such as washstands, characterized in that it comprises, Suppressing the sound sheet (20), the sound suppressing sheet (20) is fixed on the outside of the bottom (26) of the sink body (22) of the sink (1) or the like; An anti-condensation cover (21c), the anti-condensation cover (21c) covers the sound suppression sheet (20), and is fixed on the outer surface (23) of the above-mentioned water tank main body (22); The anti-condensation cover (21c) has a cover bottom (40c) and an upright portion (41). The upright portion (41) stands up from the outer peripheral edge of the cover bottom (40) so as to be fixed to the above-mentioned sink body (22). On the outer peripheral surface of the side surface, the cover main body is integrally formed as a whole; At least one bent portion (42) that is rib-shaped and bent is formed on the upright portion (41), so that when the anti-condensation cover (21c) is installed, the above-mentioned upright portion (41) can be forcibly enlarged by resisting the elastic force open side (43). 12. The structure for suppressing sound and preventing condensation of water tanks such as washstands according to claim 11, characterized in that: the above-mentioned sound suppressing sheet (20) is a multi-layer structure, and in the multi-layer structure, it is used to be fixed on The elastic layer (50) on the outside of the bottom of the tank body (22) is attached to the constraining layer (51) on the outer side of the elastic layer (50). 13. The structure for suppressing sound and preventing dew condensation of sinks such as washstands according to claim 11, characterized in that: the above-mentioned dew condensation prevention cover (21c) is a multi-layer structure, and in the multi-layer structure, for The resin foam layer (55) fixed to the outer surface of the water tank body is bonded to the resin non-foam layer (56) on the outer surface of the resin foam layer (55). 14. A washing stand having a structure for suppressing sound and preventing dew condensation of a water tank such as a washing stand, which is a washing stand having a structure for suppressing sound and preventing dew condensation of a water tank such as a washing stand according to claim 11, characterized in in: On the outside of the bottom of the sink main body (22) of the sink (1), a sound suppressing sheet (20) is fixed, and the above-mentioned anti-condensation cover (21c) covers the above-mentioned sound suppressing sheet (20), and is fixed on the above-mentioned sink main body ( 22) on the outside (23).

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