KR100650200B1 - Shock-preventing-floor member using dual structure with elasticity and damper function - Google Patents

Abstract

A flooring member for preventing impact sound using a dual structure having elasticity and damper function is provided to absorb heavy weight and lightweight impact sounds using damper spaces, to cut down on expenses by using inexpensive materials and making a structure simple, to improve work efficiency and quality of a finishing work. A flooring member for preventing impact sound using a dual structure having elastic and damper functions comprises: an upper member(21) composed of primary supports(211), secondary supports(212) and damper spaces(213); and a lower member formed to have the optimum thickness and coupled to the primary supports of the upper member to have shock absorber and damper functions. Hereon the damper spaces are connected to circulation grooves formed on the bottom of the secondary supports.

Description

Shockproof flooring material using dual structure with elastic function and damper function {Shock-preventing-floor member using dual structure with elasticity and damper function}

1 is an exploded perspective view showing a shock absorbing flooring material according to the present invention;

Figure 2 is a perspective view showing a shock-absorbing flooring material according to the present invention,

Figure 3 is a bottom view showing a shock absorbing upper material according to the present invention,

4 is a cross-sectional view showing a line A-A according to the present invention;

5 is a cross-sectional view showing a line B-B according to the present invention;

6 is a cross-sectional view showing a C-C line according to the present invention,

Figure 7 is a cross-sectional view of the use state showing the impact sound preventing upper material according to the present invention,

8 is a perspective view showing a main body formed on the upper material of the flooring according to the present invention,

9 is a cross-sectional view illustrating a state in which a main body is formed in an upper material of a flooring material according to the present invention;

10 is a structural analysis result showing the main stress including the deformation of the flooring according to the present invention,

Figure 11 is a perspective view showing another embodiment of the flooring according to the present invention.

* Explanation of symbols for main parts of drawings *

1: upper finishing member 2: flooring

21: upper material 211: first support portion

212: second support portion 213: space for damper

214: distribution home 22: lower part

23: main body 3: concrete layer

The present invention relates to an impact sound prevention floor using a double structure having an elastic function and a damper function, and more particularly, to a double structure using different materials, the lower member is made of a material having excellent elasticity and resilience as a soft material than the upper material. The upper material is a structure in which a step is formed by varying the length of a portion of the damper space portion and the support portion in contact with the lower member so that the damper action occurs on the surface in contact with the lower member. Resonance is suppressed as much as possible due to the impulse impact on the lower part due to the step difference, and the damping function is dampened by the damper function in the damper space for damping action and the elasticity of the lower part. Sound insulation is provided by the air layer in the space for the use of low cost materials and the structure is simplified To reduce the cost and to improve the quality of the top finishing work with the increase of the work efficiency of the field construction by the dry method, and to prevent the impact sound floor using the double structure having the elastic function and the damper function. .

The noise between floors of apartments, such as apartments, which are currently a social problem, can be divided into heavy impact sound and light impact sound, and heavy impact sound is mainly composed of low frequency components. Condition, etc.), and the lightweight impact sound is heavily influenced by the floor surface material as the center of the sound of the high frequency components is the center.

In order to prevent the impact sound, the floor surface can be divided into a method of changing the characteristics of the impact source, a method of reducing vibration of the flooring material due to the impact, and a method of preventing transmission of vibration by the impact. The method of changing the characteristics of the impact source using a soft material such as carpet and the method of preventing the vibration caused by the impact of the floating floor structure and the double floor structure are effective for the heavy impact sound, but the effect is fine or rather bad for the light impact sound. In this case, the method of reducing the vibration of the flooring material due to the thickening of the thickness of the flooring material (bottom plate) or the reinforcement of the beam around the floor is effective for the heavy impact sound but not for the light impact sound.

As such, it is difficult to effectively reduce the sound effect of the heavy and light impact sound at the same time by only one method, and to reduce the vibration of the floor due to the impact that is effective for the heavy impact sound, and to change the characteristics of the impact source that is effective for the light impact sound or by the impact. The best way is to use the method of preventing vibration transmission, but the method of changing the characteristics of the impact source is not suitable for the reality of Korea, where the hard floor surface such as the ondol structure is centered. Method to reduce the thickness of the flooring material (applied to the standard floor thickness of 21cm from July 2005), and to easily apply the ondol structure to prevent vibration transmission by shock using the floating floor structure, which is currently widely used. It is the fact that the improvement plan of the proposal has been proposed centrally.

However, the method of reducing the vibration of the flooring material due to the thickening of the flooring material is structurally limited in the case of multi-unit houses in Korea, where the wall structure is the center. While there is an excellent soundproofing effect in the middle and high frequency region, the low frequency region, which is the center of heavy impact sound, has no effect, and the resonance phenomenon occurs in the low frequency region.

The problem of the method of preventing vibration transmission due to the impact is that the resonance is possible in the low frequency region due to the structural characteristics, and the soundproof and dustproof materials used do not restrain the amplitude in the resonance state by only acting as a spring having little damper function. Because of this, there is a need for a solution to solve this problem.

In order to solve this problem, Utility Model Registration No. 20-315770, which is previously filed, blocks the impact sound of the bottom plate to the air layer, disperses the noise in the air layer and absorbs the sound by the protrusion, blocks the sound of air transmission by the sound insulation layer (mat body), and the nonwoven fabric. It is pointed out that the sound absorbing structure that is used and the soundproof structure like this are advantageous for light impact sound, but have no effect on heavy impact sound, and have a high possibility of resonance of air layer for sound insulation.

In addition, the above-mentioned utility model has a problem that the function of alleviating shock is significantly low.

In addition, although it may have a function of alleviating the impact sound by using the protruding portion, preventing the depression of the protruding stone by inserting the hard core is used only as a structure for dispersing the impact noise in the pure sound absorbing material and the air layer. It does not have a shock absorbing function and only functions as a pillar for forming an air layer, and the upper and lower planes of this protrusion receive the concentrated load of the impact through the protrusion, but there is no large elastic deformation due to the shock absorbing function. It is.

Therefore, the double bottom structure has a problem in that the resonance phenomenon easily occurs and the soundproofing effect cannot be expected for both the heavy impact sound and the light impact sound.

The present invention is to solve the problem of the method of preventing vibration transmission by impact as described above, the object of the present invention is a dual structure using a different rigid material, the lower member is a soft material than the upper material elasticity and resilience The flat material of this excellent material, the upper material is a structure in which a step is formed by varying the length of the portion of the damper space portion and the support portion in contact with the lower member so that the damper action occurs on the surface in contact with the lower member, The heavy impact sound suppresses the resonance as much as possible by the impulse impact on the lower member due to the step difference of the support part, and the shock sound is alleviated by the damper function in the damper space for damping action and elasticity of the lower member. It is soundproofed by air layer in the space for sound absorption and damper of Not only can reduce the cost by purifying, but also provides a soundproof floor using a double structure with elastic function and damper function, which can improve the quality of the upper finishing work while increasing the work efficiency of the construction work by the dry method. It is to

The present invention is a means for achieving the above object,

The columnar first support part is spaced apart from each other at appropriate intervals to form a plurality of continuous parts, and integrally forms a second support part connecting the first support parts to each other, and the upper and lower parts to the center of the second support parts. A lattice plate-shaped upper member having a space for a damper penetrating formed therein, and a lower member having a lower member elastically acted on the lower end of the upper member by first and second support members; The upper material, the bottom surface of the first support portion and the bottom surface of the second support portion to form a step of an appropriate height so that when the impact is applied to the gap, and the grooves formed in the bottom surface of the second support portion damper spaces Are formed to communicate with each other; The upper member integrally forms a plate-shaped insulating plate which selectively insulates the upper portion according to the place and the use used therein; When the material of the flooring material is not formed in the upper material, the upper material is relatively rigid and optionally formed of any one of plastic or polyurethane resin in consideration of strength and structural stability, and the lower member It is made by forming a dual structure by selectively forming any one of polyurethane sponge or synthetic rubber sponge to have a small rigidity and excellent elasticity and resilience.

In addition, when the bottom material is integrally formed with the upper body, the upper material is formed of a relatively high rigidity styrofoam, and the lower member is selectively made to have a low rigidity and excellent elasticity and resilience. It is formed of any one of urethane sponge or synthetic rubber sponge to form a double structure; The flooring material, the overall thickness of the upper material is formed in 0.5 ~ 1cm, the total thickness of the lower member is formed in 0.8 ~ 1.5cm, and the step between the first support and the second support to form a step of 0.1 ~ 0.3cm ; The damper space portion formed in the upper material of the flooring material has a volume of 20 to 40 cm 3 and a space between 2 to 3 cm so that the heavy shock sound and the light impact sound have excellent damper action.

In addition, the shape of the damper space formed in the upper material is formed by forming any one of an octagonal pillar or a circular pillar shape.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view showing a shock-absorbing flooring according to the present invention, Figure 2 is a combined perspective view showing a shock-absorbing flooring according to the present invention, Figure 3 is a bottom view showing a shock-absorbing upper material according to the invention, 4 is a cross-sectional view showing a line AA according to the present invention, Figure 5 is a cross-sectional view showing a line BB according to the present invention, Figure 6 is a cross-sectional view showing a CC line according to the present invention, Figure 7 is the present invention Figure 8 is a cross-sectional view showing a state of use of the upper material for preventing impact sound according to the present invention, Figure 8 is a combined perspective view showing that the main body is formed in the upper material of the flooring according to the present invention, Figure 9 Fig. 10 is a cross-sectional view showing the state of use, which is a structural analysis result showing the main stress including deformation of the flooring material according to the present invention, and Fig. 11 shows another embodiment of the flooring material according to the present invention. Timed combination perspective view.

First, the characteristic of the construction of the flooring according to the present invention is to block the low frequency, that is, the sound absorbing material having a soundproofing effect used for the wall has a configuration that deviated from the high frequency that is to solve the high frequency air waves such as human voice, The configuration has a problem in solving the low frequency which is a solid wave.

That is, the present invention is to constitute a flooring material that prevents low frequency caused by impact.

As shown in Figures 1 to 7, in order to more easily explain the flooring structure according to the invention, the upper finishing member (1) and the flooring material (2) and the concrete layer (3), and the flooring material (2) ) Is composed of an upper member 21 having a first support portion 211 and a second support portion 212 and a damper space portion 213 having a step) and a lower member 22 having a buffering and damping effect. will be.

In this case, the damper spaces 213 are formed to communicate with each other by the distribution groove 214 formed on the bottom surface of the second support 212.

In more detail, the upper finishing member (1) used in the present invention is to have a structure such as floor or ondol to be used in the finishing process of the floor finishing work during the interior construction of the building, it is possible to apply the existing construction method ; As shown in Figures 7 and 9, where the installation and use, that is, when the upper finishing material (1) does not include a heat insulating material has a heat insulating function of the appropriate thickness on the upper surface of the upper material 21 of the flooring material (2) The plate-shaped body 23 may be selectively formed integrally with the upper material 21 to add a heat insulating function.

In addition, as shown in FIGS. 2 to 6, the flooring material 2 includes a plurality of first support parts 211 directly contacting the lower member 22 and second support parts 212 having a step thereon. The upper member 21 is formed in a grid-shaped plate body, and the upper member 21 is formed between the damper space portion 213 in the form of an octagonal pillar or a circular pillar, and the first support portion at the lower end of the upper member 21. The lower member 22 of the plate shape having an appropriate thickness coupled to the elastic action (211) is coupled to form.

At this time, the upper material 21 and the lower member 22 of the flooring material (2) is effective to form integrally to maximize the convenience and working effect of the work, but separate and separate work according to the installation place or situation You can also do

The double material flooring material 2 is formed of plastic or polyurethane resin in consideration of strength and structural stability of the upper material 21 relatively, and the lower member 22 is rigid. It may be desirable to form the polyurethane foam or synthetic rubber sponge having excellent elasticity and resilience. The thickness of the upper member 21 is 0.5 to 1 cm, and the thickness of the lower member 22 is 0.8 to 1.5. It is formed in the cm, the step between the first support portion 212 and the second support portion 213 on the surface in contact with the lower member 22 to 0.1 ~ 0.3cm, the damper space portion 214 of 20 ~ 40 cm 3 It would be desirable to form a volume and a spacing of 2 to 3 cm from each other.

As described above, the damper space portion 213 having a damper function formed by the first support part 211 and the second support part 212 formed on the upper material 21 of the flooring material 2 is a lower member 22. It is possible to make a triangular, square, octagonal, circular column, etc. with a volume of 20 to 40 cm3 to allow sufficient damper function for the elasticity and deformation degree of the cylinder. It may be desirable to form a circle.

At this time, the size and depth of the damper space portion 214 is formed by the diameter of the flooring material (2) mentioned above to 8cm, the depth is formed to 0.7cm by volume of about 35 cm 3 and the space between Most preferably, the spacing is 2 cm.

Thus, when the main body 23 is integrally formed on the upper material 21 of the flooring material 2, the material having the main body 211 and the first and second support parts 212 in the case of the upper material 21 The upper material 21 has a larger elastic modulus than the lower member 22, and easy to process such as the formation of the damper space portion 213, but excellent styrofoam having excellent heat insulation effect, etc. In consideration of this, it would be desirable to set the thickness of the upper material 21 to 3 to 5 cm, and the lower member 22 is superior in elasticity and restoring ability as well as the upper material 21 and the upper material 21. It may be appropriate to form a material that is elastically deformable, such as ordinary polyurethane sponge or synthetic rubber sponge, which is a material having a smaller elastic modulus, and its thickness may be about 0.8-1.5 cm.

In addition, when the total thickness of the flooring material 2 is 3.5cm, the thickness of the upper material 21 is 2.8cm, the thickness of the first support part 212 is 0.7cm, and the step between the first and second support parts is 0.2cm. It will be most preferable to set the thickness of the lower member 22 to 1.2 cm.

Accordingly, in order to help the dynamic understanding of the damper function of the present invention in more detail, according to the structural analysis results shown in FIG. 10, the main stress diagram including the deformation that analyzes the static structure at the time of heavy impact using the finite element method, 2) compression deformation and stress are concentrated in the load direction at the portion where the upper member 21 and the lower member 22 are interviewed, and the lower member 22 is expanded and raised in the damper space 214. It is deformed into a shape, and the stress distribution shows the distribution in the load direction and the vertical direction.

Due to this, the lower member 22 in the damper space 214 is capable of inherently buffering capacity, and at the same time, the expanded portion absorbs a part of the load to absorb the impact according to the load, and in the process of being restored to its original form. It is formed to disperse the impact of load and to enable damper function.

As mentioned above, the bottom and the conventional example (Type B, sound insulation space and the lower member is applied to the hard material) and the flooring according to the present invention (Type A, the damper space and the lower member having elasticity and damper function) When comparing the results of the weight and light impact test with Comparative Table 1 and Table 2 and Comparative Graph 1 and Graph 2 below,

[Comparison Table 1]

[Comparison Table 2]

[Comparison Graph 1]

[Comparison Graph 2]

In the case of the heavy impact sound, the present invention is slightly less efficient at the low frequency of 63 Hz than the bottom, but the overall effective soundproofing effect is recognized. Is admitted to be bad.

In the case of light impact sound, both of the above cases are more effective (particularly more effective at higher frequencies) and the same tendency of the impact sound level by frequency, but in the case of the present invention, it is confirmed that the lower member absorbs sound more effectively.

As described above, the present invention has a dual structure having an elastic function and a damper function, and in the heavy shock sound, the resonance is suppressed as much as possible by the impulse impact on the lower member due to the step of the first and second support parts, and the elastic force and the damper action of the lower member. The damper function in the damper space for the purpose of damping the impact sound, and the lightweight impact sound not only enables sound absorption of each material and the sound insulation by the air layer in the space for the damper. There is an effect that can reduce the convenience and production cost of the production.

In addition, construction work except for the floor finishing work of indoor construction such as typical ondol construction is possible by the Korean situation, so that the workers at the installation site can work easily to improve the work efficiency and quality of the finishing work. It has an effect.

Claims (8)

The columnar first support portion 211 is formed in a plurality of consecutively spaced apart appropriately spaced horizontally and horizontally, integrally forming a second support portion 212 connecting the first support portion 211 with each other, The upper member 21 of the grid-shaped plate body shape formed with a damper space portion 213 penetrating the upper and lower portions to the center of the second support portion 212,  Dual structure having an elastic function and a damper function, characterized in that consisting of the bottom member 2 is laminated to the lower member 22 by the first and second support parts (211,212) at the lower end of the upper material 21 Impact sound flooring using. The method of claim 1, The upper member 21 forms a step with an appropriate height between the bottom surface of the first support portion 211 and the bottom surface of the second support portion 212 so that an offset occurs when an impact is applied, and the second support portion ( 212) A shock absorbing floor using a dual structure having a damper function and an elastic function, characterized in that the damper space portion 213 formed in communication with each other by a distribution groove 214 formed on the bottom surface. The method of claim 1, The upper member 21 has a double structure having an elastic function and a damper function, characterized in that the plate-shaped heat insulating plate 23 to selectively heat insulation according to the place and the purpose of use is integrally formed. Impact sound flooring using. The method of claim 1, The material of the flooring material 2 is that when the main body 23 is not formed in the upper material 21, the upper material 21 is relatively rigid, and in consideration of strength and structural stability, optionally, plastic or polyurethane It is formed of any one of the resin, and the lower member 22 has a resilient function and a damper function, characterized in that it is selectively formed of any one of polyurethane sponge or synthetic rubber sponge to have a low rigidity and excellent elasticity and resilience Impact sound floor using double structure. The method of claim 1, When the material of the flooring material 2 is integrally formed with the main body 23 on the upper material 21, the upper material 21 and the main body 23 are formed of a stiffer foam having a relatively high rigidity, Floor member for impact sound prevention using a dual structure having a damping function and the elastic function, characterized in that the member 22 is formed of any one of polyurethane sponge or synthetic rubber sponge selectively so as to have a small rigidity and excellent elasticity and resilience. The method of claim 1, The bottom member 2 is formed in the overall thickness of the upper member 21 to 0.5 ~ 1cm, the total thickness of the lower member 22 to 0.8 ~ 1.5cm, the first support portion 211 and the first Flooring for preventing the impact sound using a dual structure having an elastic function and a damper function, characterized in that the step between the two support portion 212 is formed in 0.1 ~ 0.3cm. The method of claim 1, The damper space portion 213 formed on the upper material 21 of the flooring material 2 has a volume of 20 to 40 cm 3 so that both the heavy impact sound and the light impact sound are excellently damped, and the space between the spaces is 2 to 3 cm. Flooring for preventing impact sound using a dual structure having an elastic function and a damper function, characterized in that formed in 3cm. The method according to any one of claims 1 and 4 to 6, Shape of the damper space portion 214 formed in the upper material 21 for the impact sound prevention using a dual structure having an elastic function and a damper function, characterized in that it is selectively formed in any one of an octagonal pillar shape or a circular pillar shape. Flooring.

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