KR20190124611A - Foldable Table Tennis Table With Lower Space - Google Patents

Abstract

The present invention relates to a foldable table tennis table with a secured lower space, comprising: first to fourth vertical poles to be vertically fixed and provided with respect to the lower surfaces of left and right table tennis tables; supporting units obliquely provided between the outer surface around the upper portions of the first to fourth vertical poles and the lower surfaces of the left and right table tennis tables so as to contract or expand according to an applied force; first to third folding units provided at the lower surfaces of the facing surfaces of the left and right table tennis tables and linked with the folding and unfolding operations of the left and right table tennis tables so as to be folded and unfolded; first and second left link units, each having one end portion connected to the first and third folding units, respectively, and the other end portion facing the lower end portions of the first and second vertical poles, provided in parallel; a third left link unit connected to the respective end portions of the first and second left link units; first and second right link units, each having one end portion connected to the first folding unit and the third folding unit, respectively, and the other end portion facing the lower end portions of the third and fourth vertical poles, provided in parallel; and a third link unit connected to the respective end portions of the first and second link units.

Description

Foldable Table Tennis Table with Bottom Space

The present invention relates to a folding table tennis table that can secure the bottom space, and more particularly, left and right folding means are located on the bottom of the left and right table tennis table facing each other, the left and right folding means are staggered Through the link means and the right link means, the folding and unfolding operation of the left and right table tennis table can be made smoothly, and in the side view, one end of the left link means is connected to the lower part of the vertical leg located on the left side, and the other of the left link means The end is connected to the right folding means located on the bottom of the right table tennis table, on the contrary, one end of the right link means is connected to the lower part of the vertical leg located on the right side, and the left side of the left table tennis table is located on the bottom of the left table tennis table. Connected to the means, the left link means and the right link means Foldable ping pong table that can be secured in a new form of floor space that can be used as a separate use, for example, as an office or a meeting table, by securing enough space on the bottom of the ping-pong table by diagonally connecting the letter “S”. It is about.

A table tennis table is a device installed and used outdoors or indoors to enjoy table tennis.

However, the conventional ping pong table is made of two separate tables, and has to be uncomfortable because it must be assembled separately each time it is folded and folded. In addition, lifting and lowering the heavy table when unfolding and folding was a difficult problem.

Thus, a folding table tennis table as shown in FIG.

However, when the folding table tennis table of FIG. 9 is folded, both table tennis tables are not in close contact and a slight gap L is generated. The legs (especially the vertical legs) f1, f2, f3, f4 at the bottom of both table tennis tables are not in close contact with the bottom surface of the table tennis table, but are kept at a predetermined angle outward. Thus, if you want to store the folding table tennis as shown in Figure 1 is usually stored in a folded state, in this case occupies a large area. In particular, in the case of storing a plurality of folding table tennis table can not be kept in close contact with the table tennis table is required a lot of storage area.

In addition, the conventional folding ping pong table has a structure in which a plurality of link means are installed on the bottom of the ping pong table so that the space on the bottom cannot be used separately.

Prior Art Literature

Republic of Korea Patent No. 10-1439960 (Integral folding table tennis table with a link structure)

An object of the present invention can be smoothly folded and unfolding operation of the left and right table tennis table facing each other and interviewed to constitute one table tennis table, the left link means and the right link means in the form of a diagonal letter "s" By providing sufficient empty space at the bottom of the table tennis table connected, it is to provide a folding table tennis table that can secure a new type of floor space that can be used as a separate use in addition to the table tennis table, for example, office or conference table.

Folding table tennis table capable of securing the bottom space in accordance with an embodiment of the present invention for achieving the above object is the first to fourth vertical pillars fixedly installed perpendicular to the bottom left and right table tennis table;

Support means for contracting or expanding in accordance with a force applied obliquely between an outer surface near the upper portion of the first to fourth vertical pillars and a bottom surface of the left and right table tennis tables;

First to third folding means installed on a bottom surface of the left and right table tennis tables facing each other and being folded or unfolded in conjunction with the folding and unfolding operations of the left and right table tennis tables;

One end connected to each of the first folding means and the third folding means, and the other end of the left first and second link means installed in parallel while facing the lower ends of the first and second vertical pillars;

Left third link means connected to respective ends of the left first and second link means,

Right first and second link means having one end connected to each of the first folding means and the third folding means, and the other end being disposed in parallel while facing the lower ends of the third and fourth vertical pillars, and

And right third link means connected to respective ends of the right first and second link means.

Preferably,

Horizontal legs connected to lower ends of the first to fourth vertical pillars,

Ends of the horizontal legs are characterized in that the fixed wheels are rotatably fixed while being covered by a cover member.

Also, preferably,

The first to third folding means

The U-shaped and closed surface portions are fixed to the bottom surfaces of the left and right table tennis tables, respectively, and the left and right first to fourth link means are installed while crossing the open surface portions, respectively.

Also, preferably,

The first to third folding means

The left side of each open face portion is installed so that the ends of the left point means and the right folding means having an inclined surface on the pivot axis, and are positioned facing each other when the left and right table tennis table is fully folded In that some surfaces overlap and the straight surface with each inclined surface is no longer rotated by the other inclined surface.

Also, preferably,

The second folding means is provided with an elastic member on the center pivot shaft, both ends of the elastic member is located across the left and right folding means, both sides of the elastic member left and right to fold in a state in which the left and right table tennis table is unfolded It is characterized in that the folding while pulling up the table tennis table, it is characterized in that folded to give more than the elastic force of the elastic member.

Also, preferably,

The left first to third link means form a left c-shaped link means as a whole,

The right first to third link means also form a right c-shaped link means as a whole.

During the folding and unfolding operation of the left and right table tennis table, the left table tennis table is operated in connection with the right U-shaped link means,

During the folding and unfolding operation of the left and right table tennis table is characterized in that the right table tennis table is operated in connection with the left U-shaped link means.

According to the present invention as described above, there is an effect that the folding and unfolding operation of the left and right ping-pong table facing each other and interviewed to constitute one table tennis table can be made smoothly.

In addition, since the left link means and the right link means are diagonally connected to each other in the form of a letter “z”, sufficient empty space at the bottom of the table tennis table is secured. It has an effect.

1 is a schematic perspective view of a folding table tennis table capable of securing a bottom space according to the present invention.
2 is a bottom view and a partial detail view of FIG. 1.
3 is an exploded view of a part and a partial detail view of FIG. 1.
4 and 5 are perspective views showing an example of the folding means in the folded state in FIG.
6 is an operational state diagram showing a part folded state of the folding table tennis table that can secure the bottom space according to the present invention.
7 is another operation state diagram showing a part folded state of the folding table tennis table that can secure the bottom space according to the present invention.
8 is a side view showing a fully folded state of the folding table tennis table that can secure the bottom space according to the present invention.
9 is a perspective view schematically showing a table tennis table according to the prior art.

The present invention may be variously modified and may have various forms, and thus, embodiments (or embodiments) will be described in detail in the text. However, this is not intended to limit the present invention to the specific form disclosed, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

In each of the drawings, the same reference numerals, in particular, the tens and ones digits, or the same digits, tens, ones, and alphabets refer to members having the same or similar functions, and unless otherwise specified, each member in the figures The member indicated by the reference numeral may be regarded as a member conforming to these criteria.

In addition, in the drawings, the components are exaggerated in size (or thick) in size (or thick) in size (or thin) or simplified in consideration of the convenience of understanding and the like, thereby limiting the scope of protection of the present invention. It should not be.

The terminology used herein is for the purpose of describing particular embodiments (or embodiments) only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise.

In this application, the terms “comprises” or “consists” are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art.

Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

In the present specification, the first to second and the second to refer to different components are not limited to the order of manufacture, and their names are used in the detailed description and claims of the present invention. May not match.

Hereinafter, with reference to the accompanying drawings, a folding table tennis table capable of securing a bottom space according to the present invention will be described.

1 is a schematic perspective view of a folding table tennis table capable of securing a bottom space according to the present invention, FIG. 2 is a bottom view and a partial detail view of FIG. 1, and FIG. 3 is an exploded view and a partial detail view of FIG. 1. 4 and 5 is a perspective view showing an example of the folding means of the folded state in Figure 1, Figure 6 is an operating state diagram showing a part of a folded table tennis table that can be secured the bottom space according to the present invention, Figure 7 is the present invention Another operation state diagram showing a folded state of the folding table tennis table capable of securing the bottom space according to Figure 8 is a side view showing a fully folded state of the folding table tennis table capable of securing the bottom space according to the present invention.

1 to 8, the foldable table tennis table 100 capable of securing a bottom space according to an embodiment of the present invention is fixed to the bottom of the left and right table tennis tables 10 and 20 perpendicular to the bottom of the first to fourth Vertical pillars 31, 32, 33, 34;

Support that contracts or expands according to a force applied by being installed at an angle between an outer surface near the upper side of the first to fourth vertical pillars 31, 32, 33, and 34 and a bottom surface of the left and right table tennis tables 10 and 20. Means (41, 42, 43, 44);

First to third folding means which are installed on the bottom surface of the left and right table tennis table (10, 20) facing each other, folded or unfolded in conjunction with the folding and unfolding operation of the left and right table tennis table (10, 20) field;

One end is connected to the first folding means and the third folding means, respectively, and the other end is disposed in parallel to the lower ends of the first and second vertical pillars 31 and 32, respectively. , 53),

The left third link means 52 connected to respective ends of the left first and second link means 51 and 53,

One end is connected to each of the first folding means and the third folding means, and the other end of the right first and second link means 54 is disposed in parallel to face the lower ends of the third and fourth vertical pillars 43 and 44. , 56),

And right third link means 55 connected to respective ends of the right first and second link means 54, 56.

Horizontal legs 71, 72, 73, 74 connected to lower ends of the first to fourth vertical columns 31, 32, 33, 34, respectively;

The wheels 81, 82, 83, 84 fixed while being covered by the cover are fixed to the ends of the horizontal legs so as to be rotatable. The wheels can be easily detachably installed at the ends of the horizontal legs, and the connecting portion can be rotated even when the left and right table tennis tables are unfolded.

The first to third folding means

The U-shaped and closed surface part is fixed to the bottom of the left and right table tennis table, respectively. In addition, the left and right first to fourth link means (51, 53, 55, 56) are installed in the open surface portion of the first to the third folding means are respectively installed while crossing.

The first to third folding means

The left folding means 28-1 and the right folding means 28-2 having inclined surfaces on one side of each of them are installed while being overlapped with each other. It is installed so that it can rotate as it meets and folds. The closed long surface portions of the left point force means 28-1 and the right side folding means 28-2 are portions that are tightly fixed to the bottom surfaces of the left and right table tennis table 10.

When the left and right table tennis tables 10 and 20 are completely folded, they are positioned to face each other, but some surfaces overlap each other on one side of the pivot shaft 63 and the inclined surfaces 28-1d and 28- of the respective folding means. It is characterized in that the straight surfaces 28-1c and 28-2c having 2d) are configured so that they are no longer rotated by other inclined surfaces. Reference numerals 28-1a and 28-2a represent one side of each folding means, and 28-1b and 28-2b represent the other side of the respective folding means.

On the other hand, the pivot shaft 63 is positioned across the link means 53,56 intersecting with each other, in particular, is slightly inserted while being positioned over the engaging groove formed on the side surface 56a of the link means 53,56. (The left and right table tennis table is in an unfolded state, see FIG. 3).

6 to 8, when the folding table tennis table 100 capable of securing the bottom space according to the present invention first attempts to fold the folding table tennis table 100 unfolded as in the state of FIG. 1, in FIG. 6. It can be expected to be rotated as shown in FIG. 6, when a hand is applied to the bottoms of the opposite left and right table tennis tables 10 and 20 near the rotation shaft 63 so as to start the rotation, as shown in FIG. 6. In the state, the left and right table tennis tables 10 and 20 are lifted. Then, the left table tennis table 10 and the right table tennis table 20 are evenly and evenly applied to the bottom of the opposite left and right table tennis table 10 and 20 in the vicinity of the rotational axis 63 to give more force. As shown in FIG. 7, the left and right table tennis tables 10 and 20 are closer to each other. The left U-shaped link means (ie, the left first to third link means 51, 52, 53) are rotated at an end thereof interlocked with the pivot shaft 62, and a lower end thereof is connected to the vertical pillars 31, 32. In turn, the dampers (support means) 41 and 42 connected to the vertical pillars 31 and 32 are also operated, and the left table tennis table 10 is lowered further and closer to the right table tennis table 20. You lose.

The right U-shaped link means (ie, the right first to third link means 54, 55, 56) are rotated at an end thereof interlocked with the pivot shaft 61, and a lower end thereof is connected to the vertical pillars 33, 34. In turn, the dampers 43 and 43 connected to the vertical pillars 33 and 34 are also operated, and the right table tennis table 20 is lowered further and closer to the left table tennis table 10. As a result, the left and right ping pong tables 10 and 20 are positioned vertically and parallel to each other, and the left and right c-shaped link means are located between the left and right ping pong tables 10 and 20, respectively. Of course, the wheels and horizontal legs are exposed.

The second folding means (folded or unfolded while being rotated about the rotation shaft) may be selectively installed on the central rotation shaft, and both ends of the elastic member 110 may be interviewed with the left and right folding means. Positioned (not shown), the left and right table tennis table (10, 20) to be folded in the unfolded state to hold on the bottom of the left and right table tennis table (10, 20) when raised up the force is applied to the elastic member 110 is folded suddenly It can be folded slowly without being lost. However, the elastic member 110 is an optional configuration, it can be of course possible to be in a fully folded state to be raised up naturally giving up some pressure initially pushed up by the pressure set in the damper described above (Fig. 6, 7, 8).

The left first to third link means (51, 52, 53) form a left c-shaped link means as a whole,

The right first to third link means 54, 55 and 56 also form a right c-shaped link means as a whole.

During the folding and unfolding operation of the left and right table tennis tables 10 and 20, the left table tennis table 10 is operated in connection with the right U-shaped link means,

In the folding and unfolding operation of the left and right table tennis table (10, 20), the right table tennis table (20) is characterized in that the operation is connected to the left c-shaped link means.

Reference numeral 26 is a U-shaped bracket installed on the bottom of the left and right table tennis table (10, 20). Such a U-shaped bracket 26 may be installed on the outside or rotatably inside the U-shaped bracket 26.

Reference numerals 28a and 28b are circular grooves formed in the folding means, and the rotating shafts 61, 62 and 63 to be described later are installed.

According to the present invention, the folding and unfolding operations of the left and right table tennis tables that face each other and are interviewed to constitute one table tennis table can be performed smoothly.

In addition, since the left link means and the right link means are diagonally connected to each other in the form of a letter “z”, a sufficient space at the bottom of the table tennis table is secured, so that the left link means and the right link means may be used as separate applications, for example, an office or a meeting table. have.

In the above description of the present invention with reference to the accompanying drawings described with respect to the folding table tennis having a specific shape and structure, the present invention can be variously modified, changed and replaced by those skilled in the art, such modifications, changes and substitutions are present It should be interpreted as falling within the protection scope of the invention.

10,20: left and right table tennis table
26: Bracket
31,32,33,34: vertical column (vertical leg)
41, 42, 43, 44: damper (supporting means)
28-1, 28-2: Left and right folding means (bracket)
51, 52, 53: left first to third link means
54, 55, 56: right first to third link means
61,62,63: rotating shaft
71,72,73,74: horizontal leg
82: wheels

Claims (6)

First to fourth vertical pillars fixed vertically to the bottom of the left and right table tennis table;
Support means for contracting or expanding in accordance with a force applied obliquely between an outer surface near the upper portion of the first to fourth vertical pillars and a bottom surface of the left and right table tennis tables;
First to third folding means installed on a bottom surface of the left and right table tennis tables facing each other and being folded or unfolded in conjunction with the folding and unfolding operations of the left and right table tennis tables;
One end connected to each of the first folding means and the third folding means, and the other end of the left first and second link means installed in parallel while facing the lower ends of the first and second vertical pillars;
Left third link means connected to respective ends of the left first and second link means,
Right first and second link means having one end connected to each of the first folding means and the third folding means, and the other end being disposed in parallel while facing the lower ends of the third and fourth vertical pillars, and
A folding table tennis table capable of securing a bottom space including a right third link means connected to respective ends of the right first and second link means. The method of claim 1,
Horizontal legs connected to lower ends of the first to fourth vertical pillars,
Folding table tennis table capable of securing the bottom space, characterized in that the fixed wheels are rotatably fixed while being covered by a cover member at the ends of the horizontal legs. The method of claim 1,
The first to third folding means
The U-shaped and closed face part is fixed to the bottom of the left and right table tennis table, respectively, and the open face part is foldable to secure the bottom space, characterized in that the left and right first to fourth link means are installed while crossing each other Table tennis table. The method of claim 1,
The first to third folding means
The left side of each open face portion is installed so that the ends of the left point means and the right folding means having an inclined surface on the pivot axis, and are positioned facing each other when the left and right table tennis table is fully folded The folding table tennis table can be secured in the bottom space, characterized in that part of the overlapping surface and the straight surface with each inclined surface is no longer rotated by the other inclined surface. The method of claim 1,
The second folding means is provided with an elastic member on the central pivot, both ends of the elastic member is located across the left and right folding means, both ends of the elastic member left and right to fold in the unfolded left and right table tennis table The table tennis table is pulled up while folding, characterized in that the folding table tennis table to ensure the bottom space, characterized in that the folded to give a force greater than the elastic force of the elastic member. The method of claim 1,
The left first to third link means form a left c-shaped link means as a whole,
The right first to third link means also form a right c-shaped link means as a whole.
During the folding and unfolding operation of the left and right table tennis table, the left table tennis table is operated in connection with the right U-shaped link means,
The folding table tennis table can secure the bottom space, characterized in that when the folding and unfolding the left and right table tennis table is operated in connection with the left c-shaped link means.

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