TWI670032B - Storage mat - Google Patents

Abstract

A storage mat includes a first surface cushion body, a plurality of first inner cushion bodies, a plurality of second inner cushion bodies, and a second surface cushion body. The inner ring side edge and/or the outer ring side edge of the first inner cushion body are formed with a first joint portion, and the inner ring side edge and/or the outer ring side edge of the second inner cushion body are formed with a second joint The first inner cushion body and the first surface mat system are connected by a first connecting member, and the second inner mat body and the second surface mat system are connected by a second connecting member. The second inner cushion body and the first inner cushion systems are staggered from the inside to the outside centering on a common center, and the second joint portion and the first joint portion are relatively slidably engaged with each other. The second inner cushion body and the first inner cushion body can rotate around the common center without coming out of the storage mat.

Description

Storage mat

The present invention relates to a cushion body, and more particularly to a rotatable storage mat.

A lot of furniture ornaments or home appliances are usually placed in the average family. Furniture ornaments or home appliances will be placed according to people's habits, preferences and convenience. When people live in a place for a long time, there will be more and more things in the family, and people will buy new furniture ornaments or home appliances from time to time to meet the needs of life.

When new furniture or home appliances move into the house, extra space is required for placement. At this time, it is inevitable to change the position and orientation of the original furniture decoration or home appliance, so that the new furniture decoration or home appliance can be re-matched with the original furniture or home appliance on the visual or functional line.

However, some furniture ornaments or home appliances have a certain degree of weight, such as flower pots filled with soil, televisions, lamps, cabinets, etc. If you want to change the angle of the above furniture ornaments or home appliances, you often need to lift them all up. , switch to the desired angle and then put it down. Even if you want to change the placement angle many times, you need to repeat the lifting and lowering actions many times, which is very inconvenient for those who have little or no difficulty in lifting heavy objects.

Therefore, it is necessary to propose an invention to improve the above problems.

The technical means for solving the problems of the prior art is to provide a storage mat, comprising: a first surface pad body having a first outer surface and a first connecting surface, the first connecting surface is located An opposite side of the first outer surface; a plurality of first inner mats, the first inner mat system is annular and fixedly disposed on the first surface mat with a common center, the first inner mats The inner diameters are different from each other, and the outer diameters of the first inner cushions are different from each other. The first inner cushion systems are disposed from the inside to the outside centering on the common center, and the inner diameter is smaller. The inner diameter of the inner cushion body is smaller than the inner diameter of the first inner cushion body having a larger inner diameter, and the inner ring side edge and/or the outer ring side edge of the first inner cushion body are formed with a first joint portion, and The first inner cushion body and the first connecting surface are connected by a first connecting member; the plurality of second inner cushion bodies are also in the shape of a ring, and the inner diameters of the second inner cushion bodies are mutually Not identical, and the outer diameters of the second inner cushions are different from each other, and the inner diameter is small The outer diameter of the second inner cushion body is smaller than the inner diameter of the second inner cushion body having a larger inner diameter, and the inner ring side edge and/or the outer ring side edge of the second inner cushion body is formed with a second joint portion. In addition, the second inner cushion body and the first inner cushion systems are staggered from the inside to the outside centering on the common center, and the second joint portion and the first joint portion are slidably engaged with each other. The second inner cushion body and the first inner cushion body are rotatable around the common center without coming out of the storage mat; and a second surface mat body having a second outer surface and a second connection The second connecting surface is located on the second outer surface The second inner cushion body and the second connecting surface are connected by a second connecting member; wherein a friction coefficient of the first outer surface and the second outer surface is greater than the first a joint surface, the second joint surface, a surface of the first inner cushion body, a surface of the first joint portion, a surface of the second inner cushion body, and a friction coefficient of a surface of the second joint portion.

In an embodiment of the invention, a storage mat is further provided, further comprising a central cushion body having a circular outer circumference, the center of the central cushion body is located at the common center, and the central cushion system is internally Surrounding a first inner cushion body having a smallest diameter, a peripheral portion of the outer peripheral surface of the center cushion body is formed with a third joint portion, and the third joint portion is slidably engaged with the first joint portion, so that the The center pad body can be rotated about the common center and does not fall off from the storage pad. The center pad body and the second connection surface are connected by a third connecting member; wherein the first outer surface and the first outer surface The coefficient of friction of the outer surface of the second outer surface is greater than the friction coefficient of the surface of the central cushion body and the surface of the third joint portion.

In an embodiment of the invention, a storage mat is provided, wherein the central cushion system is formed by superposing and connecting two or more circular cushion bodies, and the circular cushion body and other circles stacked above or below The shaped body has a different diameter to form the third joint.

In an embodiment of the invention, a storage mat is provided, wherein the circular cushion body is made of a cardboard.

In an embodiment of the invention, a storage mat is provided, wherein the first inner cushion body and the second inner cushion system are composed of two or more rings The mat body is stacked and connected, and in the same first inner cushion body, the annular cushion body has different inner and outer diameters with other annular cushion bodies stacked above or below to form the first The joint portion, and in the same second inner cushion body, the annular cushion body and the other annular cushion body stacked above or below have different inner and outer diameters to form the second joint portion.

In an embodiment of the invention, a storage mat is provided, wherein the annular cushion body is made of a cardboard.

In an embodiment of the invention, a storage mat is provided, wherein the first surface mat and the second surface mat are circular.

In an embodiment of the invention, a storage mat is provided, wherein the first connecting member and the second connecting member are double-sided adhesive or adhesive.

In an embodiment of the invention, a storage mat is provided, wherein the third connecting member is a double-sided tape or a glue.

The present invention also provides another storage mat, comprising: a first surface pad body having a first outer surface and a first connecting surface, the first connecting surface being located on the opposite side of the first outer surface; An inner cushion body having a circular ring shape, a first joint portion of the inner ring side edge of the first inner cushion body, and the first inner cushion body and the first joint surface system Connected by a first connecting member; a center pad body having a circular outer circumference, the center position of the center pad body being the same as the center position of the first inner pad body, and the center pad The diameter of the body is smaller than the inner diameter of the first inner cushion body and surrounded by the first inner cushion body, and the outer peripheral surface of the central cushion body is formed with a third joint And the third joint portion and the first joint portion are slidably engaged, so that the center cushion body can be rotated around the center of the center and does not fall off from the storage mat; and a second surface cushion body has a second outer surface and a second connecting surface, the second connecting surface is located on the opposite side of the second outer surface, and the central mat body and the second connecting surface are connected by a third connecting member; The first outer surface and the second outer surface have a coefficient of friction greater than the first connecting surface, the second connecting surface, the surface of the first inner cushion, the surface of the first joint, and the center cushion The surface of the surface and the coefficient of friction of the surface of the third joint.

Through the technical means of the present invention, a rotatable storage mat is proposed, which is composed only of a circular or circular cushion body, has a simple structure and is easy to manufacture, and can be easily placed on a heavy furniture or home appliance. Simply adjust the angle of the furniture or appliance by simply moving the furniture or home appliances, which is very convenient to use.

Therefore, the invention should have fully complied with the statutory patent requirements such as industrial utilization, novelty and progressiveness, and file an application according to law, and request your office to approve the application for the invention patent to encourage creation.

100‧‧‧Storage mat

1‧‧‧First surface mat

11‧‧‧First outer surface

12‧‧‧ first connection surface

2‧‧‧First inner cushion

2a‧‧‧First inner cushion

2b‧‧‧First inner cushion

21‧‧‧First joint

DI2‧‧‧Down

DO2‧‧‧ OD

3‧‧‧Second inner cushion

3a‧‧‧Second inner cushion

3b‧‧‧Second inner cushion

31‧‧‧Second joint

DI3‧‧‧Inner diameter

DO3‧‧‧ OD

4‧‧‧Second surface mat

41‧‧‧Second outer surface

42‧‧‧second connection surface

5‧‧‧ center cushion

51‧‧‧ Third joint

D5‧‧‧ OD

61‧‧‧First connector

62‧‧‧Second connector

63‧‧‧ Third connector

7‧‧‧Circular pad

8‧‧‧Circular body

1 is a schematic perspective view of an embodiment of a storage mat of the present invention; FIG. 2 is a schematic cross-sectional view of the embodiment of the storage mat of the present invention; FIG. 3 is a first embodiment of the present invention. A top view of the surface pad, the first connector and the third connector.

Figure 4a is a schematic cross-sectional view showing an embodiment of the first inner cushion of the storage mat of the present invention.

Figure 4b is a schematic cross-sectional view showing an embodiment of the second inner cushion of the storage mat of the present invention.

Figure 4c is a schematic cross-sectional view showing an embodiment of the central body of the storage mat of the present invention.

Figure 5 is a schematic view showing the use of the storage mat of the present invention.

Figure 6 is a schematic cross-sectional view showing another embodiment of the storage mat of the present invention.

Embodiments of the present invention will be described below based on Figs. 1 to 6 . The drawings and the description are only for the purpose of understanding the invention, and are not intended to limit the embodiments of the invention.

Referring to Figures 1 and 2, a perspective view and a cross-sectional view of a spacer 100 are disclosed. The storage mat 100 includes a first surface cushion body 1, a plurality of first inner cushion bodies 2, a plurality of second inner cushion bodies 3, and a second surface cushion body 4.

The first surface pad 1 has a first outer surface 11 and a first connecting surface 12. The first outer surface 11 is a frictional surface. The first connecting surface 12 is located on the opposite side of the first outer surface 11. The shape of the first surface pad 1 is not limited and may be a circular shape, a square shape or the like. In this embodiment, the first surface pad body 1 is circular.

Please also refer to Figures 2, 3 and 4a, these An inner cushion body 2 is annularly shaped and fixed to the first surface cushion body 1 with a common center C. The inner diameters DI2 of the first inner cushion bodies 2 are different from each other, and the outer diameters DO2 of the first inner cushion bodies 2 are different from each other. The first inner cushion body 2 is disposed from the inside to the outside centering on the common center C, and the outer diameter of the first inner cushion body 2 having a smaller inner diameter is smaller than the first inner cushion body 2 having a larger inner diameter. The inner diameter. The first inner cushion body 2 and the first connecting surface 12 are connected by a first connecting member 61, so that the first inner cushion bodies 2 can be interlocked with the first surface mat body 1. In this embodiment, the first connecting member 61 is a double-sided tape or a glue.

In this embodiment, the number of the first inner cushion bodies 2 is two, which is convenient for the name and explanation, and is referred to herein as the first inner cushion body 2a and the first inner cushion body 2b, respectively.

The first inner cushion body 2a and the first inner cushion body 2b each have an inner diameter DI2 and an outer diameter DO2. Since the first inner cushion body 2a and the first inner cushion body 2b have similar structures, only the first inner cushion body 2b is selected. An internal cushion 2a is illustrated in Figure 4a. The inner diameter DI2 of the first inner cushion body 2a is different from the inner diameter DI2 of the first inner cushion body 2b, and the outer diameter DO2 of the first inner cushion body 2a is the outer diameter of the first inner cushion body 2b. DO2 is different. As shown in FIGS. 2 and 3, the first inner cushion body 2a and the first inner cushion body 2b are first inner and outer portions centered on the common center C, and the first inner portion having a small inner diameter DI2 is provided. The outer diameter DO2 of the cushion body 2a is smaller than the inner diameter DI2 of the first inner cushion body 2b having a larger inner diameter DI2, so that the first inner cushion body 2a is completely within the inner diameter range of the first inner cushion body 2b. .

Inner ring side edge and/or outer ring side edge shape of the first inner cushion body 2 A first joint portion 21 (shown in Fig. 4a with the first inner cushion body 2a as a representative) is formed.

Please refer to FIG. 2, FIG. 3 and FIG. 4b at the same time, and the second inner cushion bodies 3 are in the shape of a ring. The inner diameters DI3 of the second inner cushion bodies 3 are different from each other, and the outer diameters DO3 of the second inner cushion bodies 3 are different from each other.

In this embodiment, as shown in FIG. 2, FIG. 3 and FIG. 4b, the number of the second inner cushion bodies 3 is two, which is convenient for the name and explanation, and is referred to herein as the second inner cushion body 3a. And a second inner cushion body 3b.

The second inner cushion body 3a and the second inner cushion body 3b each have an inner diameter DI3 and an outer diameter DO3. Since the second inner cushion body 3a and the second inner cushion body 3b have similar structures, only the first innermost body 3a is selected. The second inner cushion body 3a is illustrated in the drawing of Fig. 4b. The inner diameter DI3 of the second inner cushion body 3a is different from the inner diameter DI3 of the second inner cushion body 3b, and the outer diameter DO3 of the second inner cushion body 3a and the outer diameter of the second inner cushion body 3b DO3 is different. As shown in FIGS. 2 and 3, the second inner cushion body 3a and the second inner cushion body 3b are second inner portions which are disposed inside and outside the common center C and have a small inner diameter DI3. The outer diameter DO3 of the pad body 3a is smaller than the inner diameter DI3 of the second inner pad body 3b having a larger inner diameter DI3, so that the second inner pad body 3a is completely within the inner diameter range of the second inner pad body 3b. .

The inner edge side edge and/or the outer edge side edge of the second inner cushion body 3 are formed with a second joint portion 31 (shown in FIG. 4b with the second inner cushion body 3a as a representative).

The second inner cushion body 3 and the first inner cushion bodies 2 are The common center C is interlaced from the inside to the outside, and the second joint portion 31 is slidably engaged with the first joint portion 21 so that the second inner cushion bodies 3 can be wound around the common The center C rotates and does not come out of the storage mat 100.

It should be understood that the first inner cushion body 2 and the second inner cushion body 3 are not limited to the number in the specification and the drawings. Generally, the knowledgeer can increase or decrease the number of the first inner cushion body 2 and the second inner cushion body 3 by the same principle according to the description and the teachings of the drawings to accomplish the same effect.

In this embodiment, as shown in FIGS. 4a and 4b, each of the first inner cushion body 2 and each of the second inner cushion bodies 3 are formed by superposing and connecting two or more annular cushion bodies 7 ( The first inner cushion body 2a and the second inner cushion body 3a are represented as shown in Figs. 4a and 4b, respectively.

As shown in Fig. 4a, in the same first inner cushion body 2 (the first inner cushion body 2a in the drawing), the annular cushion body 7 is different from the annular cushion body 7 stacked above or below. The inner diameter and the outer diameter are formed to form the first joint portion 21. Similarly, as shown in Fig. 4b, in the same second inner cushion body 3 (the second inner cushion body 3a in the drawing), the annular cushion body 7 and the annular cushion body 7 stacked above or below The inner and outer diameters are different to form the second joint portion 31. In this embodiment, the material of the annular pad body 7 is a cardboard.

The first joint portion 21 and the second joint portion 31 have a concavo-convex shape, so that the second inner cushion body 3 and each of the first inner cushion bodies 2 can be coupled to the first joint portion 31 and the first joint portion 31. The joint portion 21 can be relatively slidably matched And rotating around the common center C and not coming out of the storage mat 100.

The second surface pad body 4 has a second outer surface 41 and a second connecting surface 42. The second outer surface 41 is a frictional surface. The second connecting surface 42 is located on the opposite side of the second outer surface 41, and the second inner surface 3 and the second connecting surface 42 are connected by a second connecting member 62 to make the second The surface pad 4 can drive the second inner cushions 3 to rotate. In this embodiment, the second surface pad body 4 is circular, but may also be square or other shapes. In this embodiment, the second connecting member 62 is a double-sided tape or a glue.

In order to enable relative rotation between the first surface pad body 1 and the first inner pad body 2 and the second surface pad body 4 and the second inner pad body 3, the first outer surface 11 and the second surface The coefficient of friction of the outer surface 41 is greater than the first connecting surface 12, the second connecting surface 42, the surface of the first inner cushion 2, the surface of the first joint portion 21, and the surface of the second inner cushion body 3. And a coefficient of friction of the surface of the second joint portion 31. As such, the first outer surface 11 and the second outer surface 41 can be used as the placement surface of the article. When the first outer surface 11 or the second outer surface 41 is selected as the placement surface of the article, One side serves as the contact surface of the storage mat 100 with the table top or the ground. As shown in Fig. 5, in the case where the article has sufficient weight (e.g., lamp, flower pot, television, etc.), the user only has to pull the article, and the article can drive the second by friction. The surface pad body 4 and the second inner pad body 3 connected to the lower surface of the second surface pad body 4 and the center pad body 5 are rotated (when the article is placed on the second outer surface 41), the article can be made Steering to the desired angle of the user without having to lift the item all the way to change the angle Come. Alternatively, the storage mat 100 is turned over, and when the article is placed on the first outer surface 11, after the article is pulled, the article can drive the first surface pad 1 and connect to the first by frictional force. The first inner cushions 2 under the surface pad 1 rotate (the principle is the same, so it is not separately drawn in the drawing).

Please refer to FIG. 2, FIG. 3 and FIG. 4c at the same time. Further, in the embodiment, the storage mat 100 further includes a center pad body 5. The center pad body 5 has a circular outer circumference. The center of the center pad body 5 is located at the common center C. The outer diameter D5 of the center pad body 5 is smaller than the inner diameter of a first inner pad body 2 having the smallest inner diameter. DI2, and the center pad 5 is surrounded by a first inner pad 2 (shown as a first inner pad 2a) having the smallest inner diameter.

As shown in Fig. 4c, a third joint portion 51 is formed on the outer peripheral surface of the center pad 5. The third joint portion 51 is slidably engaged with the first joint portion 21 so that the center cushion body 5 can be rotated about the common center C and does not fall off from the storage mat 100.

The center pad body 5 and the second connecting surface 42 of the second surface pad body 4 are connected by a third connecting member 63. In this embodiment, the third connecting member 63 is a double-sided tape or a glue. In the same principle as described above, when the article placed on the second surface pad body 4 is pulled, the second surface pad body 4 and the center pad body 5 connected under the second surface pad body 4 are also driven. Rotate. The same principle as described above, the coefficient of friction of the first outer surface 11 and the second outer surface 41 is greater than the friction coefficient of the surface of the center pad 5 and the surface of the third joint portion 51, so that the center pad body 5 is easily rotated by the second surface pad 4.

As shown in FIG. 4c, in the present embodiment, the center pad body 5 is formed by stacking two or more circular pad bodies 8 in a superposed manner. The circular pad body 8 has a diameter different from that of the circular pad body 8 which is adjacently stacked above or below to form the third joint portion 51. In this embodiment, the material of the circular pad body 8 is a cardboard.

Referring to Figure 6, there is shown another embodiment of the storage mat 100a of the present invention. The storage mat 100a includes the first surface pad body 1, the first inner pad body 2a, the second surface pad body 4, and the center pad body 5. The storage mat 100a in Fig. 6 is the aspect in which the storage mat 100 in Fig. 2 omits the second inner cushion bodies 3.

For the same reason, the friction coefficient of the first outer surface 11 and the second outer surface 41 is greater than the first connecting surface 12, the second connecting surface 42, the surface of the first inner cushion 2a, and the first The surface of the joint portion 21, the surface of the center cushion body 5, and the friction coefficient of the surface of the third joint portion 51. Thus, when the article is placed on the second outer surface 41, the user only needs to pull the article, and the article can drive the second surface pad body 4 and the second surface pad body 4 by friction. The center pad 5 below rotates. Alternatively, the storage mat 100 is turned over to place the article on the first outer surface 11, and after the article is pulled, the article can be driven by the friction to drive the first surface pad 1 and connected to the first The first inner cushion bodies 2a under the surface pad 1 rotate.

Since the shapes, connection modes, and actuation modes of the respective elements in this embodiment are the same as those in the above-described embodiments, the above description and drawings are easily understood, and will not be described again.

In summary of the above embodiments, the storage mat of the present invention is composed of only a simple annular and circular sheet-like cushion body, which is relatively easy to manufacture and relatively inexpensive. The storage mat can be placed on a heavy item (such as a furniture decoration or home appliance), and when there is a need to re-adjust the angle of furniture or home appliances, people simply need to pull the furniture or home appliances to complete, and It is easy to use without lifting it up.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. The equivalent structural changes of the present invention and the contents of the drawings are all included in the scope of the present invention. , combined with Chen Ming.

Claims (16)

A storage mat includes: a first surface pad body having a first outer surface and a first connecting surface, the first connecting surface being located on opposite sides of the first outer surface; and a plurality of first inner cushion bodies The first inner pad system has a ring shape and is fixedly disposed on the first surface pad body at a common center. The inner diameters of the first inner pad bodies are different from each other, and the first inner pad bodies are different from each other. The outer diameters are different from each other, and the first inner pad systems are disposed from the inside to the outside centered on the common center, and the outer diameter of the first inner cushion having a smaller inner diameter is smaller than the first inner diameter. An inner diameter of the inner cushion body, a side edge of the inner ring and/or an outer ring side edge of the first inner cushion body are formed with a first joint portion, and the first inner cushion body and the first joint surface are a first connecting member is connected; a plurality of second inner cushion bodies are also in the shape of a ring, the inner diameters of the second inner cushion bodies are different from each other, and the outer diameters of the second inner cushion bodies are mutually The outer diameter of the second inner cushion body which is different and has a smaller inner diameter is smaller than the second inner inner cushion body having a larger inner diameter An inner diameter of the inner ring side edge and/or the outer ring side edge of the second inner cushion body is formed with a second joint portion, and the second inner cushion body and the first inner cushion systems are at the common center The second inner cushion body and the first inner cushion body are rotatable around the common center by the inner joint portion being staggered from the inside and the outer joint portion, and the second joint portion and the first joint portion are slidably engaged And not coming out of the storage mat; and a second surface mat having a second outer surface and a second connecting surface, the second connecting surface being located on the opposite side of the second outer surface, and the The second inner cushion body and the second connecting surface are connected by a second connecting member; The friction coefficient of the first outer surface and the second outer surface is greater than the first connecting surface, the second connecting surface, the surface of the first inner cushion, the surface of the first joint, and the second The coefficient of friction of the surface of the inner pad and the surface of the second joint. The storage mat of claim 1, further comprising a central cushion body having a circular outer circumference, the center of the central cushion body is located at the common center, and the central cushion system is defined by an inner diameter Surrounding a first one of the first inner cushion body, the outer peripheral surface of the center cushion body is formed with a third joint portion, and the third joint portion is slidably engaged with the first joint portion to make the center The pad body is rotatable about the common center and does not fall off the pad. The center pad body and the second connecting surface are connected by a third connecting member; wherein the first outer surface and the second surface are The coefficient of friction of the outer surface is greater than the coefficient of friction of the surface of the central body and the surface of the third joint. The storage mat of claim 2, wherein the central cushion system is formed by superposing and connecting two or more circular cushion bodies, and the circular cushion body and other circular circles stacked above or below The mat has a different diameter to form the third joint. The storage mat of claim 3, wherein the circular cushion body is made of a cardboard. The storage mat according to any one of claims 1 to 4, wherein the first inner cushion body and the second inner cushion system are formed by stacking two or more annular cushion bodies. In the same first inner cushion body, the annular cushion body has a different inner diameter from other annular cushion bodies stacked above or below And the outer diameter to form the first joint portion, and in the same second inner cushion body, the annular cushion body and the other annular cushion body stacked above or below have different inner and outer diameters, The second joint portion is formed. The storage mat of claim 5, wherein the annular cushion body is made of a cardboard. The storage mat of any one of claims 1 to 4, wherein the first surface mat and the second surface mat are circular. The storage mat of any one of claims 1 to 4, wherein the first connecting member and the second connecting member are double-sided tape or adhesive. The storage mat of any one of claims 2 to 4, wherein the third connector is a double-sided tape or a glue. A storage mat includes: a first surface pad body having a first outer surface and a first connecting surface, the first connecting surface being located on opposite sides of the first outer surface; a first inner cushion body, The first inner pad system has a ring shape, and the first inner pad body and the first connecting surface are formed by a first connecting portion. a central pad body having a circular outer circumference, the center position of the center pad body being the same as the center position of the first inner pad body, and the diameter of the center pad body is smaller than the first An inner diameter of the inner cushion body is surrounded by the first inner cushion body, and a peripheral surface of the inner cushion body is formed with a third joint portion, and the third joint portion and the first joint portion are relatively slidably Cooperating, the center cushion body can be rotated around the center of the center and does not fall off from the storage mat; a second surface pad body having a second outer surface and a second connecting surface, the second connecting surface being located on the opposite side of the second outer surface, wherein the central pad body and the second connecting surface are The third connecting members are connected; wherein the first outer surface and the second outer surface have a coefficient of friction greater than the first connecting surface, the second connecting surface, the surface of the first inner mat, and the first joint The surface of the portion, the surface of the center pad, and the coefficient of friction of the surface of the third joint. The storage mat according to claim 10, wherein the central cushion system is formed by superposing and connecting two or more circular cushion bodies, and the circular cushion body and other circular circles stacked above or below The mat has a different diameter to form the third joint. The storage mat of claim 11, wherein the circular cushion body is made of a cardboard. The storage mat according to any one of claims 10 to 12, wherein the first inner cushion system is formed by superposing and connecting two or more annular cushion bodies in the same first inner cushion body. The annular cushion body has different inner and outer diameters from the other annular cushions stacked above or below to form the first joint portion. The storage mat of claim 13, wherein the annular cushion body is made of a cardboard. The storage mat of any one of claims 10 to 12, wherein the first surface mat and the second surface mat are circular. The storage mat of any one of claims 10 to 12, wherein the first connecting member and the third connecting member are double-sided tape or adhesive.