JP2000135121A - Table - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a table capable of simply switching the height of a top plate and easily assembling the top plate and supporting legs. SOLUTION: This table is provided with supporting legs 20 capable of switching the height of the top plate 10 to two steps each of the legs 20 is integrally formed of a bar-state fixing part 24 of a nearly circular cross section to be rotatably fitted to the plate 10, a first leg part 22 to be provided for the part 24 and a second leg part 21 to be provided for the part 24 or the part 22. In the case when the part 22 is at a using position forming a nearly erected angle with respect to the plate 10, the part 21 is at a using position in contact with the top plate or a floor surface but in the case when the part 22 is at the housing position, the part 21 is at the using position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a technique for reducing the height of a top plate to two.
For a table that can be switched between stages.

[0002]

2. Description of the Related Art Conventionally, as a table of this kind, FIG.
Are known. In this table, as shown in FIG. 10A, a first support leg 120 serving as a table height and a second support table height serving as a table height are provided on a top plate 100.
The support legs 110 are rotatably mounted on the same support shaft 130. The second support leg 110 has a U-shaped cross section as shown in FIG. 10B, and the first support leg 120 is housed inside the second support leg 110. Then, the first support leg 120 is moved to the second position as shown in FIGS.
By rotating in the direction of the opening of the support leg 110, the top plate 100 can be changed from a table height to a table height. As described above, in the table shown in FIG. 10, to change the height of the top plate, it is only necessary to rotate the first support leg 120 with respect to the top plate 100, and the height of the top plate 100 can be changed by a simple operation. Can switch.

[0003]

However, FIG.
In the table shown in FIG. 1, the first support leg 120 is housed inside the second support leg 110 and is rotatably mounted on the same support shaft 130. Therefore, the first support legs 120
In addition, since the position of each support bearing formed on the second support leg 110 is adjusted and the support shaft 130 is inserted into this support bearing, the top plate 100 and each support leg (110, 1
There is a problem that the assembling work of 20) is troublesome.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems, and an object of the present invention is to easily change the height of a top plate and to assemble a combination of a top plate and support legs. An object of the present invention is to provide a table that can be easily attached.

[0005]

According to a first aspect of the present invention, there is provided a table having support legs capable of switching a height of a top plate in two stages. The support leg includes a rod-shaped mounting portion having a substantially circular cross section that is rotatably mounted on the top plate, a first leg provided on the mounting portion, and one of the mounting portion and the first leg. The second leg portion is integrally formed, and when the first leg portion is in a use position at an angle of being substantially upright with respect to the top plate, the second leg portion is placed on the top plate or the floor surface. And the second leg is in the use position when the first leg is in the storage position. In the above table, the first leg is formed on the mounting portion rotatably mounted on the top plate, and the second leg is formed on either the mounting portion or the first leg. Attachment of the support legs to the top plate only requires attaching the attachment portion to the top plate, and there is no need to perform any troublesome work. When switching the height of the top plate, when the first leg is in the use position, the second leg can be brought into the use position by rotating the first leg to the accommodation position. When the second leg is in the use position, the first leg can be set in the use position by rotating the second leg to the storage position. Therefore,
Since the height of the top plate can be switched simply by rotating the first leg portion or the second leg portion with respect to the top plate, the switching operation is simple.

According to a second aspect of the present invention, there is provided the table according to the first aspect, wherein the second leg is provided on the mounting portion, and the first leg is in a use position. The second leg is in a storage position where the second leg is in contact with the top plate, and is configured to regulate the rotation of the first leg when the table is placed on the floor surface. When the table is placed on the floor, the first leg is in a storage position where the first leg is in contact with the top plate, and the rotation of the second leg is restricted when the table is placed on the floor. According to the above table, when the first leg is in the use position, the second leg abuts on the top plate to restrict the rotation of the first leg, and when the second leg is in the use position. The first leg contacts the top plate and the second
Since the rotation of the leg is restricted, the table can be used in a stable state with only the first leg and the second leg.

According to a third aspect of the present invention, in the table according to the first aspect, the second leg is provided with the first leg.
When the first leg is in the use position, the second leg is in the accommodation position where it abuts on the floor surface, and the second leg is in the use position. In some cases,
The first leg is in a storage position where the first leg is in contact with the top plate, and is configured to restrict the rotation of the second leg when the table is placed on the floor. According to the above table, the second
Since the leg is provided at the tip of the first leg, when the second leg is in the use position, the contact portion between the second leg and the top plate may be different from the mounting portion. it can.

According to a fourth aspect of the present invention, in the table according to the third aspect, a fixing portion is provided on a mounting portion of the support leg, the first leg portion is in a use position, and the second leg portion is in a use position. When the portion is in the storage position where it abuts on the floor surface, the fixing portion abuts on the top plate and restricts the rotation of the first leg in a state where the table is placed on the floor surface. According to the above table, when the first leg is in the use position,
Since the fixing portion is configured to abut on the top plate to restrict the rotation of the first leg, the table is used in a stable state even if the second leg is provided at the tip of the first leg. be able to.

According to a fifth aspect of the present invention, in the table according to any one of the first to fourth aspects, the top plate is mounted on a square center top plate and on both side surfaces of the center top plate. The top plate is configured to be rotatable between a folded position folded on the center top plate and a horizontal position that is horizontal with the center top plate. You. According to the above table, since the top is constituted by the center top and the side top rotatably attached to the center top between the horizontal position and the folding position, the side The area of the top plate can be made variable only by rotating with respect to the plate.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A table according to an embodiment of the present invention will be described below with reference to FIGS. FIG. 1 shows the height of the top plate used when using a chair (hereinafter referred to as the first height).
FIG. 2 is a perspective view of the table when the height is set to the height of the table (hereinafter referred to as a second height).
FIG. 3 is a side view of the table shown in FIG. 1, FIG. 4 is a side view of the table shown in FIG. 2, and FIG. 5 is a mounting portion between the table and the support legs. FIG. 6 is an enlarged perspective view of a bracket used for mounting the table and the support legs.

As shown in FIGS. 1 and 2, the table comprises a top plate 10 and support legs 20 rotatably mounted on the top plate 10.
Having. The top 10 includes a central top 14 and side tops 12a and 12b, which will be described in detail later. The support leg 20 is shown in FIG.
As shown in FIG. 4, a horizontal rod portion 24 attached to the back surface of the central top plate 14, a fixed portion 23 formed at the center of the horizontal rod portion 24, and formed near both ends of the horizontal rod portion 24. A first leg 22 and a second leg 21 formed at the tip of the first leg 22
Are integrally formed. Such a support leg may be formed integrally, or may be appropriately divided and formed to be assembled. The horizontal rod portion 24
As shown in FIGS. 5 and 6, it is made of a pipe material having a substantially circular cross section, and is attached to the back surface of the central top plate 14 by the leg rotating bracket 30. As described above, since the horizontal rod portion 24 has a substantially circular cross section, it is a rotating portion that can freely rotate with respect to the top plate 10, and also functions as a mounting portion to the top plate 10.

As shown in FIG. 6, the leg rotation fitting 30 has a receiving portion 38 formed in accordance with the cross-sectional shape of the horizontal rod portion 24, and mounting surfaces 34a, 34b which are in contact with the central top plate 14 on both sides thereof.
Are formed. Screw holes 3 on mounting surfaces 34a and 34b
2 is formed, and a screw is screwed into the top plate 10 through the screw hole 32 to fix the center top plate 14 and the leg rotation fitting 30. That is, as shown in FIG. 6, the leg rotation fitting 30 is held in the center top plate 1 while the horizontal rod portion 24 is held in the receiving portion 38.
4, the center top plate 14 and the support legs 20 are assembled. In this manner, the leg rotation fitting 30 is attached to the top plate 10.
Since the support legs 20 can be attached to the top plate 10 simply by attaching and fixing the support legs 20 to the top plate 10, the support legs 20 can be attached to the top plate 10 with no complicated work and only simple operations. Further, one of the mounting surfaces 34a formed on both sides of the receiving portion 38 has a guide portion 36 partially cut away.
The fixing portion 23 is guided by the guide portion 36 in a state where the support leg 20 is attached to the top plate 10. The guide portion 36 does not displace the positional relationship between the central top plate 14 and the support leg 20, and the support leg 20 is guided by the guide portion 36 and rotated with respect to the top plate 10. Therefore, the guide portion 36 functions as a position shift preventing means for preventing the position relationship of the support leg 20 with respect to the top plate from shifting.

A fixing portion 2 formed substantially at the center of the horizontal rod portion 24
3, a screw hole 25 is formed at the tip as shown in FIG. On the back surface of the central top plate 14, a top plate screw hole 18 is formed at the position of the screw hole 25 when the fixing portion 23 is in contact with the central top plate 10. Then, the leg fixing screws 40 are screwed into the top plate screw holes 18 formed on the back surface of the central top plate 14 through the screw holes 25, so that the support legs 20 for the top plate 10 are formed.
Is secured. When the first leg portion 22 is in the use position where the first leg portion 22 is substantially upright with respect to the top plate, the second leg portion 21 is in the accommodation position where it comes into contact with the floor surface as shown in FIG. Therefore, in this state, the table cannot be used stably. Therefore, the fixing portion 23 is formed on the horizontal rod portion 24, and the fixing portion 23 is fixed to the central top plate 14, so that the table can be used in a stable state. It is something that can be done.

A first rod is formed near both ends of the horizontal rod 24.
The leg 22 is provided with a second leg 21 at its tip,
When the leg portion 21 is in the use position, the second leg portion is configured to be in the storage position where it comes into contact with the floor surface. Also, the second
When the leg 21 is in the use position where the leg 21 is substantially upright with respect to the table, as shown in FIGS. 2 and 4, the first leg 22 is in the storage position where it comes into contact with the top plate 10. Have been. The angle at which the first leg portion 22 is formed on the horizontal rod portion 24 is attached so as to spread outward, thereby stabilizing the table. In addition, the second leg 21
Is in the use position, as shown in FIG. 2 and FIG.
The leg portions 21 support the back surfaces of the side top plates 12a and 12b, and can be used stably with the side top plates 12a and 12b spread. Thus, the first leg 22
By providing the second leg 21 at the tip of the second leg 2
When 1 is used, the contact portion between the second leg 21 and the top plate 10 can be the side top plates 12a and 12b,
The table can be used in a stable state.

The angle between the second leg 21 and the first leg 22, the angle between the first leg 22 and the horizontal rod 24, and the angle between the second leg 21 and the first rod 22.
1. By adjusting the length of the first leg 22 appropriately, the height of the table when the first leg 22 functions as a leg of the table (FIGS. 1 and 3) and the second leg 21 The height of the table when it functions as a table leg (FIGS. 2 and 4) can be adjusted. In the present embodiment, the case where the first leg portion 22 is in the use position is, for example, for a small number of people (for four people) who use chairs in the outdoors such as camping, and the second leg portion 21 is in the use position. The case is, for example, for a large number of people (for eight people) who sit and use the room.

Next, the configuration of the top plate 10 will be described.
As shown in FIGS. 1 and 2, the top plate 10 is hinged on both left and right sides of the center top plate 14, and is horizontally level with the center top plate 14, and is folded on the center top plate 14. A side top plate 12a and a side top plate 12b rotatable between the upper and lower sides are mounted. When the height of the top is used as the first height as shown in FIGS.
2 a and 12 b are folded on the central top plate 14. Also,
When the height of the top plate is used as the second height as shown in FIGS. 2 and 4, the side top plates 12a and 12b are opened and used. When used in the state of FIG. 1 and FIG. 2, the side top plate 12a
The size of 12b and the center top plate 14 is 1: 2, that is, the side top plates 12a and 12b are obtained by dividing the center top plate 14 into two. Note that, even when the top plate is used as the first height as shown in FIGS. 1 and 3, the side top plate 12a,
12b can be used with it opened, but in this case, the top plate 10 becomes unstable due to the relationship with the support legs 20, so care must be taken when using it.

Next, a procedure for changing the height of the tabletop of the table configured as described above from the first height (FIGS. 1 and 3) to the second height (FIGS. 2 and 4). Will be described.
First, the leg fixing screw 40 that fixes the fixing portion 23 and the central top plate 14 is loosened, and the support leg 20 is set in a state where it can be rotated with respect to the top plate 10. Next, the top plate 10 is lifted and the first leg 2 is lifted.
2 is rotated to a position (accommodation position) at which the first leg portion 22 contacts the central top plate 14. When the first leg 22 comes to the storage position, the second leg 21 is in the use position and functions as a table leg. After a while, the side top plate 12a,
2 and 4 are obtained by opening 12b. Conversely, changing from the state of FIGS. 2 and 4 to the state of FIGS. 1 and 3 may be performed by reversing the above procedure.

As described above in detail, in the tables shown in FIGS. 1 to 4, the first leg portion 22 or the second leg portion 21 is simply rotated with respect to the top plate 10 to raise the table height to the first height. The second height can be set from the height. Therefore, the height of the table can be changed easily and in a short time. In addition, since the support leg 20 is formed integrally with the top plate 10, the support leg 20 is integrally formed. Therefore, it is only necessary to fix the horizontal rod portion 24 to the top plate 10 without any troublesome work. The top plate 10 and the support legs 20 can be attached by work.

Next, a table according to another embodiment of the present invention will be described with reference to FIGS. 7 is a perspective view of the table when the height of the top plate is set to the first height, FIG. 8 is a perspective view of the table when the height of the top plate is set to the second height, and FIG. 3 is a diagram for explaining attachment of a support leg 20 to a plate 10. In the table according to this embodiment, the point that the height of the table is changed by rotating the legs is the same, but the point that the top plate 10 is formed integrally and the area thereof cannot be changed, and Are different from each other in two points. Hereinafter, differences will be mainly described.

Next, the shape of the support leg 20 and the mounting state of the top plate 10 and the support leg 20 will be described with reference to FIG. The support leg 20 is attached to the mounting portion 5 of the substantially U-shaped first leg 50.
The second leg portion 52 is formed so as to protrude at a predetermined angle from the first leg portion 52a. That is, the mounting portion 50a of the first leg 50 is
Corresponds to the horizontal rod portion 24 in the embodiment shown in FIG. The first leg portion 50 is rotatably mounted on the top plate 10 by the mounting bracket 60 at the mounting portion 50a. Further, in the table according to this embodiment, unlike the table shown in FIG. 1, the first leg 50 and the second leg 52 have screw holes (5
1, 53) is formed, and the leg fixing screw 40 is
1, 53) and the top plate screw hole 5 formed in the top plate 10
5, the support leg 20 and the top plate 10 can be fixed. Therefore, when changing the height of the table (change from the state of FIG. 7 to the state of FIG. 8), the leg fixing screw 40 is pulled out from the screw hole 53 and the first leg 50 is turned until it comes into contact with the top plate 10. And then the leg fixing screw 40
Is screwed into the top plate screw hole 55 through the screw hole 51, thereby fixing the top plate 10 and the support leg 20.

As described above, the support leg of the table according to the present embodiment, when the first leg 50 is in the use position,
The leg portion 52 is configured to restrict the rotation of the first leg portion 50 in a state where the leg portion 52 is in a storage position where the top leg 10 abuts and the table is placed on the floor. Further, when the second leg 52 is in the use position, the rotation of the second leg is restricted in a state where the first leg 50 is in the storage position where the first leg 50 contacts the top plate 10 and the table is placed on the floor surface. It is configured to be. Therefore, the table can be used in a stable state using only the first leg 50 and the second leg 52. Further, unlike the table shown in FIG. 1, it is not necessary to form the fixing portion 23, and the structure of the support legs is simply formed.

[0022]

As described above, according to the present invention,
When the height of the top plate is changed, it can be changed simply by rotating the support leg, so that the change operation can be easily performed, and since the support leg is integrally formed, the top plate is formed. It can be easily attached to the device.

[Brief description of the drawings]

FIG. 1 is a perspective view when a table according to an embodiment of the present invention is used using a chair.

FIG. 2 is a perspective view of the table when the user uses the table while sitting down.

FIG. 3 is a side view of the table shown in FIG.

FIG. 4 is a side view of the table shown in FIG. 2;

FIG. 5 is an enlarged side view showing a connecting portion between a top plate and a leg.

FIG. 6 is an enlarged perspective view of a fitting used for connecting the top plate and the legs.

FIG. 7 is a perspective view of a table according to another embodiment of the present invention when a height of a top plate is increased.

8 is a perspective view of the table of FIG. 7 when the height of the top plate is reduced.

FIG. 9 is a drawing for explaining a mounting state of legs on a top plate of the table of FIG. 7;

FIG. 10 is a view illustrating a mechanism for adjusting the height of a tabletop of a conventional table.

[Explanation of symbols]

 10 top plate 12a, 12b side top plate 14 center top plate 20 support leg 21 first leg 22 second leg 24 horizontal rod 30 leg rotation bracket 40 leg fixing screw 50 first leg 52 second leg 60 mounting bracket

Claims (5)

[Claims] 1. A table having a support leg capable of switching a height of a top plate in two stages, wherein the support leg is a rod-like mounting having a substantially circular cross section and rotatably mounted on the top plate. Part, a first leg provided on the mounting part, and a second leg provided on either the mounting part or the first leg are integrally formed, and the first leg is provided on the top plate. The second leg is in a storage position in contact with a top plate or a floor surface when the first leg is in the storage position, and the second leg is in the storage position where the second leg is in the storage position. A table configured with the legs in the use position. 2. The table according to claim 1, wherein the second leg is provided on the mounting portion, and when the first leg is in a use position, the second leg is mounted on the top plate. Is configured to restrict rotation of the first leg in a state where the table is placed on the floor surface, and when the second leg is in the use position, A table configured to restrict rotation of the second leg in a state where the leg is in a storage position where the leg is in contact with the top plate and the table is placed on the floor. 3. The table according to claim 1, wherein the second leg is provided at a tip of the first leg, and the second leg is provided when the first leg is in a use position. Is in the storage position where it contacts the floor surface, and when the second leg is in the use position, the first leg is in the storage position where it contacts the top plate and the table is placed on the floor surface. A table configured to restrict the rotation of the second leg in the state. 4. The table according to claim 3, wherein a fixing portion is provided on a mounting portion of said support leg, said first leg portion is in a use position, and said second leg portion is in a storage position in contact with a floor surface. A table configured to restrict rotation of the first leg in a state where the fixing portion is in contact with the top plate and the table is placed on the floor surface. 5. The table according to claim 1, wherein the top plate comprises a square center top plate and side top plates attached to both side surfaces of the center top plate. A table configured to be rotatable between a folding position where the top plate is folded on the center top plate and a horizontal position where the top plate is horizontal with the center top plate.