JPH10262738A - Portable collapsible table - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable collapsible table which can be collapsed extremely compactly so as to be easily carried, has a sufficient strength after assembled with easy disassembling and assembling workability, and can be used in stable state. SOLUTION: Since a plurality of strip plates having a prescribed length are closely bonded in cross direction, and a sheet is stuck to the reverse side, a collapsible table 2 can be rolled and collapsed so as to be easily carried. Since a pair of support shafts 7 are installed to locking means 6 arranged in four corners with elastic pressure, the extended table 2 can be stably held in flat state. Further, since a pair of members are mutually crossed and fixed in such a manner as to be pivotally movable for a leg part 3, the table can have a strength even after assembled.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable folding table, and more particularly to a leg which is constructed so that a plurality of members can be pivotably connected to each other and can be folded. And a portable folding table comprising a table.

[0002]

2. Description of the Related Art In recent years, chairs, tables, and the like used for outdoor use have been put on the market in small and foldable configurations for easy carrying, and the number of general users is increasing.

[0003]

Although such chairs and tables are conventionally configured to be freely foldable, many of them are difficult to disassemble and assemble by folding. Due to the complexity of workability, there is also a limit in terms of structure, and since it has a predetermined size even after folding, a large storage space is required, and it has been difficult for children and women to carry it. . Further, there is a material which is lighter in material in order to improve transportability, but has a problem in that the strength is weak and unstable after assembly.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and can be folded extremely compactly, is easy to carry, has easy disassembly and assembling workability, and has sufficient strength even after assembling. It is another object of the present invention to provide a portable folding table that can be used in a stable state.

[0005]

SUMMARY OF THE INVENTION According to the present invention, there is provided a leg having a plurality of members pivotally connected by a pin joint so as to be foldable, and a foldable table which is locked and held by the leg. A portable folding table comprising: a plurality of strips of a predetermined length which are closely joined in a width direction, a sheet is stuck on a back surface, and locking means are provided at four corners of the sheet. The pair of support shafts are resiliently mounted on the opposing locking means, and the legs are
A pair of main cross members that are pivotally pivotally connected to each other by crossing a pair of members and that are disposed to face each other; and a pair of members that are pivotally pivotally connected to each other by crossing each other, A pair of auxiliary cross members which are pivotally connected to the upper and lower ends of the upper and lower portions and are disposed opposite to each other on both sides of the main cross member, and at each upper end of the main cross member and the auxiliary cross member; Is characterized in that it has a locking member for pivotally attaching the members in a direction perpendicular to the plan view, and the locking member includes locking portions that can be locked to both ends of the support shaft. With this feature, the folding table is formed by closely bonding a plurality of strips of a predetermined length in the width direction and affixing the sheet to the back surface, so that the folding table can be rolled and folded, so that it is easy to carry. . In addition, when the folding table is assembled, a pair of support shafts are resiliently attached to locking means disposed at four corners, so that the developed table is stably held in a flat state. Further, the legs are pivotally connected to each other with a pair of members crossing each other, and the upper ends of the cross members are provided with locking portions that can be locked to both ends of the support shaft. Folding and assembling work become easy, and strength after assembling can be provided.

The locking means is attached to four corners of the sheet on the back surface of the folding table in parallel with the band plate, and is foldable inwardly facing each other, and is pivotally held vertically to the back surface of the band plate. A plurality of locking holes are arranged at predetermined intervals in the longitudinal direction of the piece. With this feature, the pivoting pieces of the locking means disposed at the four corners of the sheet of the folding table are foldably attached to the inside facing each other, so that the locking means protrudes when the folding table is folded. And can be folded compactly without interference when rolling round. In addition, since a plurality of locking holes are provided at predetermined intervals in the longitudinal direction of the pivot piece, the support shaft can be selectively locked in the locking holes, thereby increasing the height of the leg. Can be selectively adjusted.

[0007] The support shaft has a resilient pressure locking portion which is urged toward the outside in the axial direction and is fitted in an extendable manner at both ends of a cylindrical body having a predetermined length, and is separated from the center of the cylindrical body. A plurality of stoppers disposed near and inside both ends in the axial direction, and the resilient locking portion is configured to be selectively lockable in a locking hole of the locking means. And According to this feature, the cylindrical body has a resilient pressure locking portion which is urged toward the outside in the axial direction and is inserted into the cylinder so as to be extendable and contractible. The operation can be performed extremely easily, and a stable holding state can be obtained even after locking.

The locking member has one end curved upward to form a locking portion, and the locking portion corresponds to each of the support shafts by moving outward from the inside of the opposed support shaft. The stopper is configured to be inserted and locked by being brought into contact with the stopper from the inside in the axial direction. With this feature, since the locking portion is formed by bending one end of the locking member upward, it can be easily mounted by simply moving outward from the inside of the opposing support shaft. . In addition, since the locking portions are adapted to be selectively inserted and locked by being brought into contact with the corresponding stoppers from the inside, when changing the height position of the leg portions, the locking portions correspond. It can be performed by a simple operation of merely abutting the stopper and inserting and locking the support shaft.

[0009] The pivot portion at the lower end of the main cross member and the auxiliary cross member is configured to be pivotally connected to the end of an L-shaped bracket by pin connection. . Due to this feature, the pivoting portion at the lower end of the main cross member and the auxiliary cross member uses an L-shaped fitting that is pivotally attached to each end by a pin joint. Since the bracket pivots about the pin together with the pivotal movement of each member, it can be folded extremely compactly.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments and the drawings. First, an embodiment of the present invention will be described with reference to FIGS. 1 is a perspective view of a folding table showing a state in which a main cross member and an auxiliary cross member are assembled, FIG. 2 is a perspective view of a folding table showing a partially folded state, and FIG. 3A is a folding table. FIG. 4B is an explanatory view showing a state in which a support shaft is locked in a locking hole of locking means provided on the back surface of the table, and FIG. 4 is an upper part pivotally connecting upper and lower ends of each member. 5 (a) is an explanatory view of a state where the height of the leg is set at a low position, and FIG. 5 (b) is the height of the leg. FIG. 6 is a perspective view showing a state where the bundled main cross member and auxiliary cross member are surrounded by a folding table.

In FIG. 1, reference numeral 1 denotes a portable folding table. The portable folding table 1 comprises a folding table 2 and legs 3, and the folding table 2
As shown in FIG. 2, a plurality of strips 4 having a predetermined length are closely joined in the width direction, and a canvas-like sheet 5 is adhered to the back surface, and locking means 6 are provided at four corners of the sheet 5. The pair of support shafts 7 are resiliently mounted on the opposing locking means 6, respectively.

The locking means 6 is attached in parallel with the band plate 4 on a sheet 5 adhered to the back surface of the folding table 2,
The pivot piece PL is foldable inward from a position perpendicular to the plane of the strip 4, and two locking holes 6a and 6b are arranged at predetermined intervals in the longitudinal direction of the pivot piece PL. .

The support shaft 7 has a resilient pressure locking portion K which is urged toward the outside in the axial direction and is elastically inserted at both ends of a cylindrical body 7a of a predetermined length made of a material such as aluminum. Body 7
a, a plurality of stoppers 14a, 14b and 15 are provided near and at both ends of the cylindrical body 7A.
a and 15b are provided respectively.

On the other hand, the leg 3 has a first main cross member 8 pivotally connected via a pin P so that the pair of members 8a and 8b cross each other, and a pair of members 9a and 9b.
And a second main cross member 9 pivotally mounted via a pin P so as to cross each other, and are disposed opposite to each other, and on both sides of the first and second main cross members 8 and 9. Is provided with first and second auxiliary cross members 10 and 11 facing each other.

The first and second auxiliary cross members 1
0, 11 are a pair of members 10a, 10b and 11 that are pivotally connected via a pin P to cross each other.
The upper and lower ends are pivotally mounted on the first and second main cross members 8 and 9 so as to be pivotable above and below, respectively. A cap D made of a rubber-like elastic body is attached to each lower end of the first and second main cross members 8 and 9 to constitute a grounding portion.

The first and second main cross members 8, 9;
At each upper end of the first and second auxiliary cross members 10 and 11, there is provided a locking member 12 for pivotally connecting the respective oblique members in a direction perpendicular to the plan view. Member 12
Is bent upward to form a locking portion 13, and the locking portion 13 moves from the inside toward the outside with respect to each of the support shafts 7 disposed opposite to each other, and the corresponding stopper 14 a, 1
4b or 15a, 15b is formed so as to be abutted from the inside in the axial direction and inserted and locked.

Each lower part of the first and second main cross members 8 and 9 has a pin P formed by an L-shaped fitting 16 at the lower end of each of the first and second auxiliary cross members 10 and 11. It is pivotally connected via a pivot.

Next, the assembly and folding operation of the portable folding table of the present invention will be described. First, when folding the folding table 1, the portable folding table 1 assembled as shown in FIG. 1 includes first and second main cross members 8 and 9, which are legs, and first and second legs.
When the auxiliary cross members 10 and 11 are pivoted in the contracting direction about the pin P, the locking portions 13 of the upper end locking members 12
Is separated from the support shaft 7.

As a result, the folding table 2 and the legs 3
Is cut off, and the folding table 2 is as shown in FIG.
As shown in (b), when the pair of support shafts 7 pull out the projecting portions K1 of the repressing locking portions K at both ends from the respective locking holes 6a of the locking means 6 and remove them, respectively, The pivot piece PL of the stopping means 6 is folded from a vertical state to a horizontal state.

As described above, since the pivot pieces PL of the locking means 6 are foldably attached to the insides facing each other, the locking means 6 does not protrude when the folding table 2 is folded, and is rounded. It can be folded compactly without interference when stacked.

On the other hand, the legs are formed by the first and second main cross members 8 and 9 and the first and second auxiliary cross members 1 respectively.
When the pins 0 and 11 are pivoted about the pin P, they can be further reduced to be in a bundled state. As described above, since each end of each cross member is pivotally attached to the L-shaped fitting 16 and the locking member 12, the fitting 16 itself also pivots around the pin so that it can be folded extremely compactly. Can be.

Then, the folding table 2 is wound around the bundled members as shown in FIG.
Each member is surrounded by a folded folding table 2 as shown in FIG. In this way, the folding table can be rolled up and folded, and all bundled members can be wound, so that it can be easily transported.

Next, when assembling the portable folding table 1, as shown in FIG. 6, the bundled main cross members 8, 9 and auxiliary cross members 10, 11 are bundled and surrounded. The pivoting piece PL of each locking means 6 is vertically erected in a state where the folding table 2 is opened and unfolded and turned upside down.

Next, as shown in FIGS. 3 (a) and 3 (b), one of the engagement holes 6a of the pivot piece PL is provided with a pair of support shafts 7 at both ends of which are pressed against each other. , And the two support shafts 7 are attached to the back surface of the folding table 2.

As described above, since the support shaft 7 has the resilient pressure locking portions K which are urged toward the outside in the axial direction and are inserted and contracted at both ends of the cylindrical body 7a, the locking means 6 are provided. Lock hole 6
It is possible to extremely easily perform the selective locking operation on the a and 6b, and it is possible to stably hold the locking after the locking. Further, when assembling the folding table, the pair of support shafts 7 are resiliently attached to the locking means 6 arranged at the four corners, so that the developed table 2 is stably held in a flat state. .

Next, the bundled main cross members 8,
9 and the auxiliary cross members 10, 11 are set in the state shown in FIG.

The locking portion 13 of each locking member 12 is
Each stopper 14a, 14b disposed outside the support shaft 7
When the support shaft 7 moves outward from the inside of the support shaft 7 so as to contact the inside of the support shaft 7, the support shaft 7 is inserted and locked in the state shown in FIG. 4.

As described above, since the locking member 12 has the locking portion formed by curving one end upward, it can be easily operated only by moving from the inside of the opposing support shaft 7 to the outside. Can be attached to

Next, the case where the height of the leg 3 is changed will be described. That is, FIG. 5A shows a state in which the legs 3 are assembled at the low height h as described above, and the locking members 1 at the upper ends of the main cross members 8 and 9 are shown.
2, the width w in the width direction is set wide, and the distance b in the length direction of the locking member 12 between the main cross members 8 and 9 disposed opposite to each other is also set long.

FIG. 5B shows a state in which the legs are assembled to the height H. In this state, the width between the locking members 12 at the upper ends of the main cross members 8 and 9 is shown. The interval W in the direction is set to be small, and the interval B in the length direction between the locking members 12 of the main cross members 8 and 9 arranged opposite to each other is set to be short.

That is, in this case, the support shaft 7 projects from the locking hole 6b located inside each other among the two locking holes 6a and 6b of the pivot piece PL shown in FIG. K1 is inserted and locked. Similarly, the locking members 12 of the main cross members 8 and 9 lock the locking portions 13 such that the locking portions 13 abut against a pair of stoppers 15a and 15a disposed inside the support shaft 7 from inside. Let it.

As described above, since the plurality of locking holes 6a and 6b are arranged at predetermined intervals in the longitudinal direction of the pivot piece PL, the support shaft 7 can be selectively moved to the locking holes 6a and 6b. Since the stoppers 14a, 14b and 15a, 15b are arranged at predetermined intervals in the axial direction of the support shaft 7, the locking member 12 can be fixed to the stopper 14a,
The height of the leg portion can be selectively adjusted by inserting and locking into 14b and 15a, 15b.

[0033]

The present invention has the following effects.

(A) According to the first aspect of the present invention, since the folding table is formed by closely bonding a plurality of strips of a predetermined length in the width direction and adhering the sheet to the back surface, the folding table is rounded. It is easy to carry because it can be folded. In addition, when the folding table is assembled, a pair of support shafts are resiliently attached to locking means disposed at four corners, so that the developed table is stably held in a flat state. Further, the legs are pivotally connected to each other with a pair of members crossing each other, and the upper ends of the cross members are provided with locking portions that can be locked to both ends of the support shaft. Folding and assembling work become easy, and strength after assembling can be provided.

(B) According to the second aspect of the present invention, the pivoting pieces of the locking means disposed at the four corners of the seat of the folding table are foldably attached to the inside facing each other. The locking means does not protrude at the time of folding, and can be folded compactly without interference when overlapping and rolling. Also, since a plurality of locking holes are arranged at predetermined intervals in the longitudinal direction of the pivot piece,
The support shaft can be selectively locked in the locking hole, so that the height of the leg can be selectively adjusted.

(C) According to the third aspect of the present invention, since the elastic member is provided at both ends of the cylindrical body so as to be urged toward the outside in the axial direction and is inserted so as to be extendable and contractible, A selective locking operation to the locking hole of the means can be performed very easily, and a stable holding state can be obtained even after locking.

(D) According to the fourth aspect of the invention, since the locking portion is formed by bending one end of the locking member upward, the locking member moves outward from the inside of the opposing support shaft. It can be easily mounted with just a simple operation. In addition, since the locking portions are adapted to be selectively inserted and locked by being brought into contact with the corresponding stoppers from the inside, when changing the height position of the leg portions, the locking portions correspond. It can be performed by a simple operation of merely abutting the stopper and inserting and locking the support shaft.

(E) According to the fifth aspect of the present invention, the pivot portions at the lower ends of the main cross member and the auxiliary cross member are formed in an L-shape which is pivotally connected to each end by a pin joint. Since the metal fittings are used, the metal fittings pivot about the pins together with the pivotal movement of each member during folding, so that the folding can be made extremely compact.

[0039]

[Brief description of the drawings]

FIG. 1 is a perspective view of a folding table showing an embodiment of the present invention and showing a state where a main cross member and an auxiliary cross member are assembled.

FIG. 2 is a perspective view of a folding table showing a partially folded state.

FIG. 3A is an exploded view of a folding table,
(B) is an explanatory view showing a state in which the support shaft is locked in a locking hole of locking means provided on the back surface of the table.

FIG. 4 is a partially enlarged perspective view showing an upper locking member which pivotally connects upper and lower ends of each member and a lower pivoting portion.

FIG. 5A is an explanatory diagram of a state where a leg is set at a low position, and FIG. 5B is an explanatory diagram of a state where a leg is set at a low position.

FIG. 6 is a perspective view showing a state where the bundled main cross member and auxiliary cross member are surrounded by a folding table.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Portable folding table 2 Folding table 3 Leg part 4 Strip plate 5 Sheet 6 Locking means 6a, 6b Locking hole 7 Support shaft 7a Cylindrical body 8 First main cross member 8a, 8b, 9a, 9b Member 9 Second Main cross member 10 first auxiliary cross member 10a, 10b member 11 second auxiliary cross member 11a, 11b member 12 locking member 13 locking portion 14a, 14b, 15a, 15b stopper 16 metal fitting D cap K elastic pressure locking Part K1 Projecting part P Pin PL Swinging piece

Claims (5)

[Claims] 1. A portable folding table comprising a leg configured to be foldable by pivotally pivoting a plurality of members by a pin joint, and a foldable table locked and held by the leg. The table has a plurality of strips of a predetermined length tightly joined in the width direction, a sheet is stuck on the back surface, and locking means are provided at four corners of the sheet, and the opposite locking means is provided. Each pair of support shafts is resiliently mounted, and the leg portion is a pair of main cross members that are pivotally pivotally connected to each other by crossing the pair of members and that are disposed to face each other. A pair of auxiliary crosses which are pivotally connected to each other by crossing the members, upper and lower ends of which are pivotally connected to the upper and lower portions of the main cross member, and which are disposed opposite to both sides of the main cross member. Member and the main cross member Each of the upper ends of the auxiliary cross member has a locking member that pivotally connects the members in a direction perpendicular to the plane, and the locking member includes locking portions that can be locked to both ends of the support shaft. A portable folding table, comprising: 2. The locking means is attached to four corners of a sheet on the back surface of a folding table in parallel with the band plate, and is foldable inside facing each other, and is pivotally held vertically to the back surface of the band plate. 2. The portable folding table according to claim 1, wherein a plurality of locking holes are arranged at predetermined intervals in a longitudinal direction of the pivoting piece. 3. The supporting shaft has a resilient pressure locking portion which is urged outward in the axial direction and is inserted in a stretchable manner at both ends of a cylindrical body having a predetermined length, and is distributed from the center of the cylindrical body. And a plurality of stoppers disposed near and at both ends in the axial direction, respectively, and the resilient pressure locking portion is configured to be selectively lockable in a locking hole of the locking means. The portable folding table according to claim 1, wherein: 4. The locking member forms a locking portion by bending one end thereof upward, and the locking portion moves to the support shaft by moving outward from the inside of the opposing support shaft. The portable folding table according to claim 1, wherein each of the stoppers is configured to be abutted against the corresponding stopper from the inside in the axial direction so as to be inserted and locked. 5. A pivoting portion at a lower end portion of each of the main cross member and the auxiliary cross member is configured to be pivotally connected to an end portion of an L-shaped bracket by pin connection. The portable folding table as described.