JP2009045424A - Foldable table - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a foldable able which can be easily assembled and folded and has high strength in an assembled condition. <P>SOLUTION: The foldable table includes: almost U-shaped first, second and third leg bodies 11a-11c of the same shape; pivoting members 17, 18 facing each other provided on the end parts of respective longitudinal direction members 14 of the first, second and third leg bodies; connection members 15, 16 which have connection parts turnably connecting one side longitudinal direction members 14 of the first, second and third leg bodies 11a-11c, and connect the first, second and third leg bodies 11a-11c in a foldable manner into an arranged condition and in a developable manner into an almost Y-shape in plan view with the connection parts support points; and a top plate 12 which includes first, second and third top plate constituent members 12a-12c in a same shape and whose neighboring sides are connected in a zigzag shape via hinge members 23, 24, wherein the middle part of the top plate constituent members 12a-12c in the longitudinal direction are pivoted turnably on the pivoting members 17, 18. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a folding table that is easy to assemble and fold, for example, and is convenient to be carried outdoors and used outdoors.

  There is known a folding table that is easy to assemble and fold, and is convenient to be carried outdoors and used outdoors (see Patent Document 1, for example). Patent Document 1 includes a pair of left pedestal, right pedestal, and intermediate pedestal, and a top support bar is installed horizontally on the upper end of these pedestals via a fixing member. Further, the pair of left pedestal column, right pedestal column and intermediate pedestal column are connected to each other by an X-shaped link, and between the left limb column and intermediate pedestal column and between the right limb column and intermediate pedestal column. Are connected by an X-shaped crossing link.

The top plate support bar can be equipped with a foldable top plate and grill so that it can be used for barbecue surrounding the table. When not in use, the left pedestal, right pedestal, intermediate pedestal and top plate By separating the support bar and folding the link, the left pedestal, the right pedestal, and the intermediate pedestal can be folded together.
JP 2002-95530 A

  However, in Patent Document 1, the left pedestal column, the right pedestal column, the intermediate pedestal column, and the top plate support bar are separate members. In this structure, plate support bars are inserted and connected. Further, since the plurality of pedestal columns are connected to each other by an X-shaped link and a movable member, the link is rotated while sliding the movable member fitted to the pedestal column.

  Therefore, assembly and folding operations are difficult. Further, when chairs are arranged around the table and seated in a state surrounding the table, there is an inconvenience that the knee hits a link that intersects in an X shape, and it is particularly inconvenient for a person with a large body.

  The present invention has been made paying attention to the above circumstances, and an object thereof is to provide a folding table that is easy to assemble and fold and has high strength in the assembled state.

  In order to achieve the above object, the present invention comprises a transverse member 13 and a longitudinal member 14 projecting in parallel with the vertical direction from both ends of the transverse member 13, and is substantially U having the same shape. A plurality of letter-shaped legs 11, pivot members 17 and 18 provided opposite to each other at the ends of the longitudinal members 14 of the legs 11, and one longitudinal direction of the legs 11. A connecting member 15 that has a connecting part that rotatably connects the member 14, and that can be folded into a state in which the plurality of legs 11 are aligned with the connecting part as a fulcrum and that can be expanded radially in plan view; 16 and a plurality of top plate constituent members having the same shape, adjacent one side portions are connected in a zigzag manner via hinge members 23, 24, and the longitudinal intermediate portions of the top plate constituent members are A top plate pivotally supported by pivot members 17 and 18 2 and when the plurality of legs 11 are folded, the plurality of top plate constituting members constituting the top plate 12 are folded in an overlapped state, and interlocked with the operation of expanding the plurality of legs 11. In the folding table, the plurality of top plate constituent members constituting the top plate 12 are developed into a polygonal shape or a circular shape in plan view.

 According to a second aspect of the present invention, the plurality of legs according to the first aspect include first, second, and third legs 11a to 11c, and the plurality of top plate constituting members constituting the top plate 12 are the first The first, second and third top plate constituting members 12a to 12c are pivotally supported by the first, second and third leg bodies 11a to 11c, respectively.

 According to a third aspect of the present invention, the plurality of legs according to the first aspect include first to fifth legs 41a to 41e, and a plurality of top plate constituent members constituting the top plate 12 are the first to first legs. It consists of the 1st-5th top-plate structural member 42a-42e pivotally supported by the 5 leg bodies 41a-41e individually so that rotation is possible.

 According to a fourth aspect of the present invention, the end of the longitudinal member 14 on the connecting portion side of the first and third legs 11a and 13c of the second aspect of the second leg 11b is supported on a pivot shaft. A rotation member 20 that is rotatable in the direction of the longitudinal member 14 is provided, and the pivot member 17 is provided on the rotation member 20.

 According to a fifth aspect of the present invention, both end portions of the plurality of top plate constituent members connected in a zigzag manner by the hinge members 53a to 53e of the third aspect are provided by a lock mechanism 62 that maintains the state when the top plate 12 is deployed. It is characterized by being connected.

  According to the present invention, since the leg and the top plate are connected, and the top plate is deployed from the folded state in conjunction with the development of the leg, folding and assembly can be performed easily and smoothly. Furthermore, since the leg and the top plate can be folded and assembled in a connected state, there is an effect that there is no loss of members as in the case of assembling and assembling a plurality of separate members as in the prior art. Furthermore, since the folding table of the present invention has high strength at the time of assembly, it can be used as a storage table, is compact when folded, requires no space for storage, and is easy to transport and carry.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 to 5 show a first embodiment, FIG. 1 is a plan view of a folding table, FIG. 2 is a sectional view taken along line A-O-B in FIG. 1, and FIG. 3 is a perspective view in a folded state. 4 is a view seen from the direction of arrow C in FIG. 3, and FIG. 5 is a cross-sectional view taken along the line DD in FIG.

  As shown in FIGS. 1 and 2, the folding table 10 includes a leg 11 and a top plate 12. The leg 11 is composed of first, second, and third legs 11a, 11b, and 11c having the same shape, which are formed by bending a hollow square pipe made of a light metal material such as aluminum, and thereby laterally moving. The member 13 and the longitudinal member 14 projecting parallel to the vertical direction from both ends of the transverse member 13 are formed in a substantially U shape.

  A connecting member 15 comprising a hinge for rotatably connecting the first and second legs 11a, 11b to the longitudinal member 14 on the inner side of the first, second and third legs 11a, 11b, 11c. And the connection member 16 which consists of a hinge which connects the 2nd and 3rd leg 11b, 11c rotatably is provided. The first, second, and third legs 11a, 11b, and 11c can be folded with the connecting members 15 and 16 as fulcrums, and are substantially Y-shaped in plan view (each leg is 120). (° interval).

   An inner pivot member 17 and an outer pivot member 18 are provided at the ends of the longitudinal members 14 of the first, second, and third legs 11a, 11b, and 11c so as to face each other. The inner pivot member 17 will be described. As shown in FIGS. 3 and 4, a pivot shaft 19 penetrates the end of the longitudinal member 14 of the first and third legs 11a and 11c in the lateral direction. The pivot shaft 19 is provided with a rotating member 20 that is rotatable in the direction of the longitudinal member 14 of the second leg 11b. A pivot pin 21 is provided on the rotating member 20 so as to project toward the outer pivot member 18. A pivot shaft 19 is also provided penetrating in the lateral direction at the end of the longitudinal member 14 of the second leg 11b. The pivot shaft 19 is provided with a fixing member 20a having the same shape as the rotating member 20. The fixed member 20a is provided with a pivot pin 21 projecting toward the outer pivot member 18. A pivot pin 22 projects from the outer pivot member 18 of the first, second, and third legs 11a, 11b, and 11c toward the pivot pin 21.

 Next, the top plate 12 will be described. As shown in FIGS. 1 and 3, the first, second, and third top plate constituting members 12a, 12b, and 12c made of a plate-like body such as plastic, aluminum, and wood are used. It is constituted by. The first, second and third top plate constituent members 12a, 12b and 12c are pentagons of the same size, and the first and second top plate constituent members 12a and 12b are rotatably connected by a hinge member 23. The second and third top plate constituting members 12b and 12c are rotatably connected by a hinge member 24.

 The first and second top plate constituting members 12a and 12b are mountain-folded by the hinge member 23, and the second and third top plate constituting members 12b and 12c are valley-folded by the hinge member 24, and the first, second and second The third top plate constituting members 12a, 12b, and 12c are connected in a zigzag shape. Therefore, the first, second, and third top plate constituent members 12a, 12b, and 12c can be folded into a three-layered state, and become a regular hexagonal top plate 12 when unfolded.

 Further, as shown in FIG. 5, a notch 25 is provided on the lower surface of the corner that becomes the apex of the first, second, and third top plate constituting members 12 a, 12 b, 12 c, An L-shaped mounting bracket 26 is provided. A fitting portion 27 is provided on the inner side surface of the mounting bracket 26 so as to be pivotably fitted to the pivot pin 21. In addition, a fitting portion 28 that is pivotably fitted to the pivot pin 22 is provided on the outer edge of the first, second, and third top plate constituting members 12a, 12b, and 12c on the opposite side to the apex. ing.

 Accordingly, the first top plate component 12a is pivotally supported by the first leg 11a, the second top plate component 12b is pivotally supported by the second leg 11b, and the third leg 11c. A third top plate constituting member 12c is pivotally supported by the. When the first, second and third legs 11a, 11b and 11c are folded with the connecting members 15 and 16 as fulcrums, the first, second and third top plate constituting members constituting the top plate 12 are used. 12a, 12b, and 12c are folded in an overlapped state. When the first, second, and third legs 11a, 11b, and 11c are deployed with the connecting members 15 and 16 as fulcrums, the first, second, and third top plate constituting members 12a, 12b and 12c become a horizontal state, and are developed on the regular hexagonal top plate 12 in plan view.

 Furthermore, the top plate 12 is unfolded at both ends of the top plate 12, that is, on the side opposite to the hinge member 23 of the first top plate component 12a and on the opposite side of the hinge member 24 of the third top plate component 12c. A coupling member 29 is provided for coupling to. The coupling member 29 is provided on the lower surface of the first top plate constituting member 12a and the lower surface of the third top plate constituting member 12c. The engaging claw 31 engages with the lock pin 30. It is comprised so that the 1st top-plate structural member 12a and the 3rd top-plate structural member 12c can be couple | bonded.

 The folding table 10 configured as described above has a structure in which the legs 11 and the top plate 12 are combined, and the first, second, and third top plate constituent members are interlocked with the development of the legs 11. 12a, 12b, and 12c automatically become a horizontal state from the folded state to form a regular hexagonal top plate 12.

 In the above-described embodiment, the case where the top plate 12 is a regular hexagon has been described. However, the top plate 12 is not limited to a regular hexagon, and may be other polygons, as in the second embodiment shown in FIG. The circular top plate 32 may be constituted by the first, second and third top plate constituent members 32a, 32b and 32c. Furthermore, although the leg body 11 was comprised with the square pipe, a round pipe may be sufficient and it is not limited.

  7 to 11 show a third embodiment, FIG. 7 is a plan view of a folding table, FIG. 8 is a side view thereof, FIG. 9 is a perspective view in a folded state, and FIG. 10 is a perspective view in the middle of folding.

  As shown in FIGS. 7 to 10, the folding table 40 includes a leg body 41 and a top plate 42. The leg body 41 will be described with first to fifth leg bodies 41a to 41e having the same shape, which are formed by bending a hollow square pipe made of a light metal material such as aluminum, thereby causing the lateral member 43 and the lateral body 43 to be bent. The directional member 43 is formed in a substantially U shape by a longitudinal member 44 protruding in parallel with the vertical direction from both ends of the directional member 43.

  A connecting member 45 made of a hinge for rotatably connecting the adjacent legs 41a to 41e is provided on the inner longitudinal member 44 of the first to fifth legs 41a to 41e. The first to fifth legs 41a to 41e can be folded together with the connecting member 45 as a fulcrum, and can be expanded radially (each leg is spaced by 72 °) in plan view.

  An inner pivot member 47 and an outer pivot member 48 are provided opposite to each other at the ends of the longitudinal members 44 of the first to fifth legs 41a to 41e. Since the inner pivot member 47 has the same structure as the inner pivot member 17 of the first embodiment, the description thereof is omitted.

 Next, the top plate 42 will be described. As shown in FIGS. 7 and 10, the top plate 42 includes first to fifth top plate constituting members 42 a to 42 e made of a plate-like body such as plastic, aluminum, and wood. . The first to fifth top plate constituting members 42a to 42e are pentagons of the same size, and the first and second top plate constituting members 42a and 42b are rotatably connected by a hinge member 53a. Similarly, the second and third top plate constituting members 42b and 42c, the third and fourth top plate constituting members 42c and 42d, and the fourth and fifth top plate constituting members 42d and 42e are also hinge members 53b to 53d. Are pivotally connected.

 The first and second top plate constituting members 42a and 42b are mountain-folded by the hinge member 53a, and the second and third top plate constituting members 42b and 42c are valley-folded by the hinge member 53b, and the third and fourth The top plate constituting members 42c and 42d are mountain-folded by the hinge member 53c, and the fourth and fifth top plate constituting members 42d and 42e are valley-folded by the hinge member 53d, and the first to fifth top plate constituting members 42a to 42d. 42e is connected in a zigzag shape. Accordingly, the first to fifth top plate constituent members 42a to 42e can be folded in a stacked state, and become a regular decagonal top plate 42 when unfolded.

 Furthermore, the connecting structure of the first to fifth top plate constituent members 42a to 42e at the corners which are the apexes of the first to fifth top plate constituent members 42a to 42e, that is, the central portion of the top plate 42 is the first. Since the structure is basically the same as that of the embodiment, description thereof is omitted.

 Accordingly, the first leg 41a is pivotally supported by the first top plate constituting member 42a, and the second leg 41b is pivotally supported by the second top board constituting member 42b. The leg 41c has a third top plate constituting member 42c, the fourth leg 41d has a fourth top plate constituting member 42d, and the fifth leg 41e has a fifth top plate constituting member 42e. It is pivotally supported. And when the 1st-5th leg 41a-41e is folded by using the connection member 45 as a fulcrum, it folds in the state where the 1st-5th top plate component members 42a-42e which constitute the top plate 42 were piled up. It is. When the first to fifth legs 41a to 41e are deployed with the connecting member 45 as a fulcrum, the first to fifth top plate constituting members 42a to 42e are in a horizontal state in conjunction with the deploying operation, and are sufficient in plan view. A square top plate 42 is developed.

 Further, the top plate 42 is unfolded at both ends of the top plate 42, that is, on the side opposite to the hinge member 53a of the first top plate constituting member 42a and on the side opposite to the hinge member 53d of the fifth top plate constituting member 42e. A coupling member 59 for coupling to is provided. As in the first embodiment, the coupling member 59 includes a lock pin 60 and an engaging claw 61 that engages with the lock pin 60. The first top plate constituting member 42a and the fifth top It is comprised so that the board | plate structural member 42e can be couple | bonded.

 Further, the first top plate constituting member 42a and the second top plate constituting the first top plate constituting member 42a and the second top plate constituting member 42a are arranged at positions corresponding to the hinge members 53a pivotally supporting the first top plate constituting member 42a and the second top plate constituting member 42b. A lock mechanism 62 that locks the member 42b is provided. As shown in FIG. 11, the lock mechanism 62 is located on the outer peripheral edge of the first top plate constituting member 42a, and is provided with a slide groove 63 parallel to the upper surface thereof. A lock slot 64 is provided to face the slide groove 63. A lock pin 65 is inserted into the slide groove 63 so that its distal end can be inserted into and removed from the lock slot 64 so as to be movable forward and backward in the axial direction. An operation portion 66 is provided at the base end portion of the lock pin 65, and the first top plate component member 42a and the second top plate component member 42b are locked by holding the operation portion 66 and moving the lock pin 65 forward and backward. It can be done. The second top plate constituting member 42b and the third top plate constituting member 42c, the third top plate constituting member 42c and the fourth top plate constituting member 42d, the fourth top plate constituting member 42d and the fifth top plate constituting member 42d. A similar locking mechanism 62 is provided between the top plate constituting members 42e.

 The folding table 40 configured as described above has a structure in which the leg body 41 and the top plate 42 are coupled to each other, and the first to fifth top plate constituting members 42 a to 42 e are interlocked with the development of the leg body 41. Automatically becomes a horizontal state from the folded state to form a regular decagonal top plate 42. Note that the number of the top plate constituent members is not limited to five, and the top plate may be composed of six or seven.

  Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying constituent elements without departing from the scope of the invention in the implementation stage. Moreover, various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, you may combine the component covering different embodiment suitably.

The top view of the folding table which shows the 1st Embodiment of this invention. Sectional drawing which shows the same embodiment and follows the AOB line of FIG. The perspective view of the folded state which shows the embodiment. The figure which shows the same embodiment and was seen from the arrow C direction of FIG. Sectional drawing which shows the same embodiment and follows the DD line | wire of FIG. The perspective view of the folding process of the folding table which shows the 2nd Embodiment of this invention. The top view of the folding table which shows the 3rd Embodiment of this invention. The side view of the folding table which shows the same embodiment. The perspective view of the folded state which shows the embodiment. The perspective view in the middle of folding which shows the embodiment. Sectional drawing and side view of a lock mechanism which show the same embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10, 40 ... Folding table 11, 41 ... Leg, 12, 42 ... Top plate, 11a-11c ... 1st, 2nd and 3rd leg, 12a-12c ... 1st, 2nd and 3rd Top plate constituent members, 15, 16 ... connecting members, 17, 18 ... pivot members, 23, 24, 53a-53e ... hinge members, 41a-41e ... first to fifth legs, 42a-12e ... first -Fifth top plate constituting member, 62 ... Lock mechanism

Claims (5)

It consists of a transverse member 13 and a longitudinal member 14 projecting parallel to the vertical direction from both ends of the transverse member 13, and a plurality of substantially U-shaped legs 11 having the same shape;
Pivot members 17, 18 provided opposite to each other at the ends of the longitudinal members 14 of the plurality of legs 11;
Each of the legs 11 has a connecting portion that rotatably connects one longitudinal member 14, and the plurality of legs 11 can be folded together with the connecting portion as a fulcrum and radial in a plan view. Connecting members 15, 16 connected to each other in a deployable manner,
It is composed of a plurality of top plate constituent members having the same shape, and adjacent one side portions are connected in a zigzag manner via hinge members 23 and 24, and the intermediate portion in the longitudinal direction of each top plate constituent member is the pivot member. The top plate 12 is pivotally supported by 17 and 18, and
When the plurality of legs 11 are folded, the plurality of top plate constituent members constituting the top plate 12 are folded in a superimposed state,
A folding table, wherein a plurality of top plate constituting members constituting the top plate 12 are developed into a polygonal shape or a circular shape in a plan view in conjunction with an operation of expanding the plurality of legs 11.   The plurality of legs 11 include first, second and third legs 11a to 11c, and a plurality of top plate constituting members constituting the top plate 12 are the first, second and third members. The folding table according to claim 1, comprising first, second and third top plate constituting members (12a to 12c) pivotally supported by the legs (11a to 11c) individually.   The plurality of legs includes first to fifth legs 41a to 41e, and the plurality of top plate constituting members of the top board 12 are individually connected to the first to fifth legs 41a to 41e. The folding table according to claim 1, further comprising first to fifth top plate constituting members (42a to 42e) pivotally supported by each other.  The end of the longitudinal member 14 on the connecting portion side of the first and third legs 11a, 13c is rotatable in the direction of the longitudinal member 14 of the second leg 11b with a pivot shaft as a fulcrum. The folding table according to claim 2, wherein a rotating member is provided, and the pivot member is provided on the rotating member.  Both ends of the plurality of top plate components connected in a zigzag manner by the hinge members 53a to 53e are connected by a lock mechanism 62 that maintains the state when the top plate 12 is deployed. Item 4. The folding table according to item 3.

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