WO2007071190A1

WO2007071190A1 - Combined adjustable table and chair

Info

Publication number: WO2007071190A1
Application number: PCT/CN2006/003509
Authority: WO
Inventors: Hon Kit Chui
Original assignee: Hon Kit Chui
Priority date: 2005-12-22
Filing date: 2006-12-21
Publication date: 2007-06-28

Abstract

An adjustable chair (table) includes chair (table) legs(2) and a chair (table) top(1) which can movably connect to the chair legs(2). The adjustable chair (table) further includes fine adjustment components for chair (table) legs(2) connecting to the chair (table) legs(2). The components include sleeves with joints. The joints can directly insert in pre-moded holes in the chair (table) legs(2). There could be a leg(2) in the middle of the said chair (table). Furthermore, the adjustable table top(1) is composed with several separate partial table tops which can cooperate with one another. The said table top(1) is connected to the table legs(2) by connecting pieces. The connecting pieces include plurality of chapiters on the bottom of the table top(1) and corresponding to the table legs(2). The adjustable table further includes a sleeve with an upper open and a lower open. The volumes of the chapiters and the table legs(2) is appreciably smaller than that of the sleeve and they are installed in the upper and lower open, respectively. With the structure, because the chair (table) top(1) is movable to the chair (table) legs(2), the height of the chair (table) can be adjusted by replacing the legs with different lengths. Specially the height of the chair (table) can be finely adjusted by the fine adjustment components. Because the middle leg(2), the bearing power of the chair (table) top(1) is enhanced.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a table and chair, and more particularly to a combined height-adjustable table and chair. BACKGROUND OF THE INVENTION Existing tables and chairs are respectively fixedly connected by corresponding faces and legs, so that labor-intensive enterprises or schools that have a large demand for the same type of tables and chairs have encountered a common problem: that is, people with different heights must use The same height of tables and chairs makes some workers who are not suitable for the height of the table and chair due to long-term work, easy to fatigue and lead to inefficiency, students are long-term desks, easy to hunchback or nearsightedness. Although there are adjustable tables and chairs on the market, they are used to adjust the height through spiral columns or hydraulic pressure and steam pressure devices. They are not only costly, inconvenient to transport, but also highly unstable after adjustment. They cannot be used in most factories or Schools are popular. In addition, in order to reduce costs, factories and chairs are often made of some poor quality materials, such as plastics. The central load-bearing capacity of tables and chairs is low, and some obese people are more vulnerable to damage when used, especially due to the cost of purchase. Most of the chairs do not have the function of rotation or storage, and cannot meet the various needs of the factory. In addition, for low-priced plastic tables, due to the limitations of molding technology, the desktop should not be too large to meet the requirements of workers' centralized operations, so the application is not extensive. SUMMARY OF THE INVENTION The technical problem solved by the present invention is to overcome the above disadvantages and provide the society with a combined, height-adjustable, easy-to-transport table and chair.

The technical problem further solved by the utility model is to provide the society with an adjustable table and chair with a central leg and a strong bearing capacity.

The technical problem further solved by the present invention is to provide the society with an adjustable chair that can accommodate or rotate.

The technical problem further solved by the present invention is to provide the society with an adjustable table which is composed of a plurality of actively connected desktop components.

In order to achieve the object of the present invention, the adjustable chair comprises a chair leg and a seat surface, and the leg is movably connected to the seat surface. In particular, the adjustable chair further comprises a leg trimming member that is engaged with the leg. , the leg trimming member includes a sleeve with a joint, the joint can be directly

1

Confirmation Insert into the reserved hole of the leg or seat. Alternatively, the leg trimming member may also include an upper open hollow sleeve having a volume that is slightly larger than the volume of the leg, the leg extending into the sleeve cavity.

As a modification of the above solution, the chair surface of the novel adjustable chair is divided into two layers of a top layer and a bottom layer, and a plurality of balls are placed between the top layer and the bottom layer so that the top layer can slide relative to the bottom layer.

Alternatively, the seat surface of the adjustable chair is divided into two layers that are detachable, forming a cavity between the contents.

Alternatively, the adjustable chair may further include a leg located at the center of the bottom of the seat surface, and a hollow lower opening sleeve is connected to the center of the bottom of the seat surface, and the upper end of the leg directly extends into the sleeve cavity, and the seat surface can Rotate around the leg. As a further improvement of the above solution, in the sleeve cavity, there is an interference mounted bearing and a load-bearing plug, and the load-bearing plug is inserted into a reserved hole at the upper end of the leg, and the bearing is connected with the load-bearing plug, and the seat edge is The bearing rotates around the leg.

The adjustable table technology solution for the adjustable chair is: Adjustable table including table legs, table top, table legs and tabletop active connection. In particular, the adjustable chair further includes a table leg trimming member that engages the table leg. The table leg trimming member comprises a sleeve with a joint, and the joint can be directly inserted into a reserved hole of the table leg or the table top. Further, the fine adjustment member further includes an adjusting ring, and the adjusting ring can be set in the sleeve On the connector of the barrel.

Further, as a further technical improvement, the table top is composed of a plurality of independent, mutually compatible partial tables, which are connected to the legs by connectors.

As a further improvement of the above technology, the connecting member comprises a plurality of studs at the bottom of the table top and corresponding to the legs of the table, the adjustable table further comprising a sleeve that is open and closed, the stigma and the legs are slightly smaller than the volume The volume of the sleeve is respectively fitted to the upper and lower openings of the sleeve. In addition, there may be more than one leg, at least one of which is located in the center of the table.

After adopting the above structure, the table (chair) surface and the table (chair) legs are movably connected, which is easy to transport, and each of the adjustable tables (chairs) is provided with a plurality of table (chair) legs of different lengths, as needed With the seat surface displacement, it is easy to adjust the height, and once adjusted, it is highly stable. In particular, after the table (chair) has fine-tuning members, the height of the table (chair) can be finely adjusted. If the table is made of plastic, it is inexpensive and suitable for use in factories or schools that control costs. The chair can be easily rotated when the adjustable shaft or the ball structure is adjustable. In addition, the seat can be divided into two layers, and the cavity can be formed to facilitate the placement of common items by workers or students. When the legs are installed in the center of the table (chair), the table (chair) made of materials with poor shield capacity can overcome the disadvantage of low bearing capacity, and is especially suitable for certain obese people or when heavy objects need to be placed. Finally, because the desktop is spliced and combined by splitting several pieces, the desktop is easy to process and transport, thereby reducing the cost and satisfying the small work. Factory or school needs. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a first embodiment of a chair of the present invention;

Figure 2 is a side exploded view of Figure 1;

Figure 3 is a perspective view of a second embodiment of the chair of the present invention;

Figure 4 is a side exploded view of Figure 3;

Figure 5 is a side exploded view of the third embodiment of the chair of the present invention; Figure 6 is a perspective exploded view of Figure 5;

^{7 is} a side exploded view of a fourth embodiment of the chair of the present invention; FIG. 8 is a perspective view of a fifth embodiment of the chair of the present invention;

Figure 9 is a perspective exploded view of Figure 8;

Figure 10 is a perspective view showing an embodiment of a table matched with the chair of the present invention; Figure 11 is a perspective exploded view of Figure 11;

Figure 12: is an enlarged schematic view of the mark E in Figure 11. 1 and 2, which is a first embodiment of the chair of the present invention, the chair of the embodiment includes a seat surface 1, a base 3, a leg 2 that is movably connected with the seat surface and the base, and the base 3 There is a through hole 31 extending from an upper opening of a sleeve 26 communicating with the base through hole 31. In order to adjust the height of the seat surface 1, the adjustable chair is equipped with a plurality of universal leg legs of different lengths, which can be replaced and installed as needed. For the purpose of fine adjustment, the adjustable chair also includes an adjustment of the thick ring 22 and the thin ring 21, The thick ring 22 or the thin ring 21 can be placed in the cylindrical sleeve 26 and the through hole 31 of the base 3. The diameter of the thick ring or the thin ring coincides with the diameter of the leg 2, and the leg 2 can extend into the base 3. In the sleeve 26, and through the height of the thick ring 22 or the thin ring 21 in the sleeve 26, the height adjustment function is performed. A hollow sleeve 27 is also connected to the center of the bottom of the seat surface 1. The upper end of the leg 2 can extend into the sleeve 27. To enhance the bearing capacity of the seat surface 1, there is a reserved hole at the upper end of the leg 2 A load-bearing plug 24 may be installed in the hole, the diameter of the plug surface is slightly smaller than the diameter of the sleeve 27, and the bearing 25 is mounted on the load-bearing plug 24, and the bearing 25 is installed in the sleeve 27 by interference, and the seat surface 1 is The sleeve 27 is rotatable about the leg along the bearing 25. Of course, the embodiment is not limited thereto, and the bottom end of the leg can be directly inserted into the through hole 31 of the base without adjusting the ring, and the height can be adjusted directly by replacing the legs 2 of different lengths.

Please refer to FIG. 3 and FIG. 4 , which is a second embodiment of the chair of the present invention. The embodiment chair comprises a seat surface 1, a base 3, a leg 2 movably connected to the seat surface and the base, and the base 3 has a through hole 31. Unlike the first embodiment, the adjusting thick ring 22 or the thin ring 21 is disposed at The upper end of the leg 2 is directly inserted into the through hole 31 of the base 3 and the sleeve 26 that is in contact therewith, and the height is adjusted by replacing the spare leg with unequal lengths, the upper end of the leg 2 There is a reserved hole, which is connected with a sleeve 28 with a cylindrical joint respectively. The diameters of the upper and lower cylindrical joints are slightly smaller than the reserved holes at the upper end of the leg 2 and the adjustment of the thick ring 22 or the thin ring 21 The diameter, the lower cylindrical joint 28a is inserted into the reserved hole at the upper end of the leg 2, and the upper ring joint 28b can be optionally placed with a thick ring 22 or a thin ring 21, which is placed to serve as a cushioning leg and then extended into the chair. In the sleeve 27 in which the face 1 is centrally joined, the seat surface 1 can now be rotated directly around the upper cylindrical joint 28b of the sleeve 28.

Referring to FIG. 5 and FIG. 6 , it is a third embodiment of the chair of the present invention. The difference from the first two embodiments is that the legs 2 of the present example are four, and one leg is not shown in the figure. One of the legs 2 is located at the bottom center of the seat surface 1, and can increase the bearing capacity of the seat surface 1. A sleeve 26 communicating with the base through hole 31 is respectively protruded around the four through holes 31 in the base 3. The adjusting thick ring 22 and the adjusting thin ring 21 are placed in the cylindrical sleeve 26 and the through hole 31 of the base as in the first embodiment, so that the leg can be raised to play a fine adjustment of the height. The biggest feature of this embodiment is that the seat surface 1 is divided into two layers of a top layer 12 and a bottom layer 11, and the bottom layer has a plurality of grooves, and the inlay has a plurality of balls 13, and the top layer 12 can slide relative to the bottom layer 11. In order to enhance the bearing capacity, there is another thicknessed panel 14 at the lower part of the seat surface, the seat surface can be placed in the cavity, and the panel 14 has a hole relative to the position of the leg 2, and the leg is movably connected to the panel. . Of course, the present invention is not limited to this embodiment, and a panel 14 that is not used for load bearing can be used, and the leg 2 can be directly inserted into the bottom layer 11 of the chair without the adjustment ring. Of course, the adjustable chair can also be constructed as one or more leg legs.

Referring to FIG. 7, which is a fourth embodiment of the chair of the present invention, the base 3 has a through hole 31, and the through hole 31 is connected to a cylindrical sleeve 26a. Unlike the foregoing embodiment, the sleeve 26a The diameter of the sleeve is slightly smaller than the reserved hole in the lower part of the leg. The cylindrical sleeve 26a can be optionally placed with a thick and thick ring 22 or a thin ring 21 of an adjustable chair, the diameter of the thick ring 22 or the thin ring 21 and the leg The diameter of the leg tube 2 is slightly smaller than the diameter of the leg 2, and the cylindrical sleeve 26a extends into the reserved hole in the lower portion of the leg 2, so that the lower portion of the leg 2 is placed behind the thick ring 22 or the thin ring 21, which can be fine Adjust the effect of height. The seat surface is divided into two layers, which are composed of two panels 15 and 16 which are fastened up and down. The cavity formed can accommodate the object, and the bottom of the bottom of the seat has a shaft 23 which can extend into the reserved hole at the upper end of the leg 2 , the seat surface 1 can be rotated directly around the leg 2 .

Referring to FIG. 8 and FIG. 9, which is a fifth embodiment of the chair of the present invention, different from the foregoing embodiment, the legs 2 are five, one of which is located in the middle of the seat surface, and the seat 1 is connected with a chair. Back 4, adjustable chair Each leg 2 has a sleeve 29 with a cylindrical joint. The diameter of the cylindrical joint is slightly smaller than the reserved hole in the lower part of the leg. The cylindrical joint can be optionally fitted with an adjustable chair. Thick and thick thick ring 22 or thin ring 21, the thick ring 22 Or the diameter of the thin ring 21 matches the diameter of the leg, and after being placed, it functions as a cushioning leg, and the cylindrical joint is inserted into the reserved hole in the lower part of the leg 2 after the thick ring or the thin ring is attached. . With this structure, the legs are movably connected to the seat surface, and it is possible to replace the legs of different lengths, and the sleeve, the thick ring ²² or the thin ring 21 as the fine adjustment member can be placed to finely adjust the chair. the height of.

Of course, the adjustable chair is not limited to the above embodiment, as long as the seat and the leg are movably connected, and the height is adjusted by adjusting the leg length of the chair, in particular, a sleeve for fine-tuning the height or The chair of the fine adjustment member such as the adjustment ring or other similar adjustment block constitutes the protection scope of the present invention.

Referring to FIG. 10 to FIG. 10, it is an embodiment of a table matched with the chair of the present invention. Like the matching chair, the adjustable table also has a table top la and a table leg 2a movably connected with the table top la. There are five legs, the legend is not all drawn, and one of the legs 2a is located at the center of the bottom of the table top la, used to increase the load-bearing capacity, the legs can be removed from the table, and according to the different adjustment table The length of the legs is replaced to adjust the height. Each leg has a fine adjustment member, that is, a sleeve 29a with a cylindrical joint, the diameter of the joint is slightly smaller than the reserved hole at the bottom of the leg, and the cylindrical joint can be selected to be thick and thick. The ring 22a or the thin ring 21a, the diameter of the thick ring 22a or the thin ring 21a coincides with the diameter of the leg, and after being placed, acts as a high leg, and the cylindrical joint of the sleeve 29a is fitted with the thick ring 22a. Or, after the thin ring 21a, it protrudes into the reserved hole in the lower portion of the leg, thereby raising the table leg 2a by the sleeve 29a itself or the thick ring 22a or the thin ring 21a, thereby finely adjusting the height of the table. In addition, the desktop la is composed of four triangular components, and the end of each triangle is connected with a joint 12a. According to the enlarged view of E shown in Fig. 12, when the desktop la is spliced, the joint 12a of the end point is inserted into it. In the upper opening of the other sleeve 23a, the lower portion of the sleeve 23a is also connected with a cylindrical joint, which can directly extend into the reserved hole of the leg to achieve the purpose of the movable connection between the leg and the table.

Of course, the adjustable table is not limited to the above embodiment, and the desktop may be a single piece or a combination. The table top may be round or square, the table legs may be one or more, and one table may be located at the bottom of the table. Central, with or without a base, as long as the table top and the legs are movably connected, and the height is adjusted by adjusting the length of the table with different lengths of the table, in particular, a sleeve or an adjustment ring fine-tuning member for fine-tuning the height is provided. The tables constitute the protection scope of the present invention.

Claims

The invention provides an adjustable chair, comprising a leg and a seat surface, wherein: the leg is movably connected to the seat surface. The adjustable chair according to claim 1, further comprising a leg trimming member engaged with the leg, the trimming member comprising a sleeve with a joint, the joint being directly insertable into the chair Inside the reserved hole of the leg or chair. The adjustable chair according to claim 1, further comprising a leg trimming member engaged with the leg, the trimming member comprising an open hollow sleeve, the volume of the sleeve Slightly larger than the volume of the leg, the leg can extend into the sleeve cavity. The adjustable chair according to any one of claims 1 to 3, wherein: the seat surface is divided into two layers of a top layer and a bottom layer, and a plurality of balls are disposed between the top layer and the bottom layer, so that the top layer can be opposite to the bottom layer. slide. The adjustable chair according to any one of claims 1 to 3, characterized in that the seat surface is divided into two detachable layers, and a cavity is formed between the seats. The adjustable chair according to any one of claims 1 to 3, characterized in that: the adjustable chair comprises a leg located at the center of the bottom of the seat surface, and a hollow lower open sleeve is connected at the center of the bottom of the seat surface. The upper end of the leg directly extends into the sleeve cavity, and the seat surface can rotate around the leg. The adjustable chair according to claim 6, wherein: in the sleeve cavity, there is an interference mounted bearing, a load-bearing plug, and the load-bearing plug is inserted into a reserved hole at an upper end of the leg The bearing is connected to the load-bearing plug, and the seat surface rotates around the leg along the bearing. The adjustable chair according to claim 7, characterized in that: a protruding joint on the seat bottom plate is connected to the legs of different lengths, or a fine adjustment ring is added to change the height. An adjustable table matched with the adjustable chair of claim 1, comprising a table leg and a table top, wherein: the leg is movably connected to the table top. 0. The adjustable table according to claim 8, wherein: the adjustable table further comprises a table leg fine adjustment member coupled to the table leg, the fine adjustment member comprising a sleeve with a joint, wherein the joint can be Insert directly into the reserved hole of the table leg. '

1. An adjustable table according to claim 9, wherein: said fine adjustment member further comprises an adjustment ring, said adjustment ring being engageable on the joint of said sleeve.

2. The adjustable table according to any one of claims 8 to 10, characterized in that: the table top is composed of several independent, mutually compatible partial desktops, and the table top passes through the connecting piece and the table leg connection.

3. The adjustable table of claim 11 wherein: said connector package a plurality of studs at the bottom of the table top and corresponding to the legs of the table, the adjustable table further comprising a sleeve that is open and closed, the head and the legs are slightly smaller than the volume of the sleeve, and are respectively set on the sleeve Open up and down.

The adjustable table according to claim 13, wherein: a projection joint on the table top plate is attached to the legs of different lengths, or a fine adjustment ring is added to change the height.