JP6968352B2 - Table top plate - Google Patents

Description

The present invention relates mainly to a table top plate used for a folding table.

For the table top plate used for folding tables, etc., multiple elongated split top plates are connected appropriately in the lateral direction of the split top plate, and they are used as a top plate in parallel in a flat manner, and then folded at the connecting point. It is possible.

For example, in Patent Document 1, a connecting member having a connecting shaft projecting from the end of a square cylindrical split top plate is mounted, and a movable connecting body having shaft mounting portions at both ends is connected to the adjacent split top plates. A top plate that is attached to a shaft and can be folded freely is disclosed.

Further, in Patent Document 2, a connecting member having a shaft mounting portion bored at the end of a square tubular split top plate is mounted, and a movable connecting body having connecting shafts at both ends is provided with a shaft of an adjacent split top plate. A top plate that is mounted on a mounting portion and is freely foldable is disclosed.

Further, in Patent Document 3, a connecting member having a rubber string insertion hole at the end of a square tubular split top plate is attached, and a rubber string is inserted through the communication hole to connect the adjacent split top plates. A foldable top plate is disclosed.

Japanese Unexamined Patent Publication No. 2001-137501. Japanese Unexamined Patent Publication No. 2002-219022. Registered Utility Model No. 3068019.

As described above, the combination of the connecting member and the movable connecting body is adopted as the connecting structure that enables the folding of the split top plate of the square cylinder, or the rubber string connection is adopted. The latter rubber cord connection has the limitation that it cannot be used in the vicinity of fire when cutting due to deterioration of rubber or when using it outdoors such as camping.

Further, in the former case, it is necessary to adopt a connecting member having a specific structure, which leads to high cost, and also requires mounting work of the connecting member, which is complicated to manufacture.

Therefore, the present invention proposes a new table top plate with a reduced number of parts (connecting members).

The table top plate according to claim 1 of the present invention is a table top plate in which split top plates formed of a long plate body are formed in parallel, and is formed on the lower surface of the top plate portion of both end faces of the split top plate. , A screw in which a shaft mounting portion for connecting to an adjacent split top plate is integrally formed with the split top plate, and a connecting piece having a free hole corresponding to the shaft mounting portion at both ends is inserted into the free hole. The body is press-mounted on the shaft mounting portion and mounted on the split top plate, and the adjacent split top plates are rotatably connected to each other.

Therefore, by forming the top plate connecting part (connecting shaft or shaft mounting part) on the split top plate integrally with the split top plate by means such as extruding or pressing the member, it becomes a square cylinder as before. A foldable table top plate can be produced by directly mounting the pivot connection portion (shaft mounting portion or connecting shaft) to the top plate connecting portion without providing the connecting member to be mounted. Shaft mounting portion having a predetermined shape, especially the other pressing the extruded (to form the ends of the split top board in a flange shape subjected to drawing) even can be easily formed.

Further, in the table top plate according to claim 2 of the present invention, in particular, the split top plate is formed of an extruded material provided with a shaft mounting portion, and the top plate connecting portion can be formed at the same time when the split top plate is formed. ..

Further, the table top plate according to claim 3 of the present invention has a leg mounting protrusion having an appropriate gap with the back surface of the top plate portion inside the shaft mounting portion forming portion on the back surface of the top plate portion during extrusion molding. The table top plate according to claim 4 of the present invention is appropriately formed on the inner side of the shaft mounting portion forming portion on the back surface of the top plate portion with the back surface of the top plate portion during extrusion molding. A notch for mounting the legs having a gap is formed, and when the table is formed using the table top plate, the leg mounting member is fixed to the gap or the notch between the protrusion and the back surface of the top plate. The legs can be easily incorporated.

Further, in the table top plate according to claim 5 of the present invention, the top plate connecting portions at both ends of the divided top plate are further projected outward, and the protruding portions are bent to the back surface to form an end face portion. The strength of the split top plate is strengthened and the appearance impression of the side view of the top plate is improved.

The configuration of the present invention is as described above. When producing a foldable table top plate by connecting the split top plates, the top plate connecting portion is integrally formed with the split top plate to reduce the number of parts used. It realizes the simplification of.

The whole perspective view of the embodiment of this invention. The whole perspective view which shows the same folded state. Explanatory drawing which shows the manufacturing process of the same top plate (first example). The whole perspective view of the same leg mounting member (first embodiment). Explanatory drawing of the constituent members (leg plate and stop plate) of the same leg. The same built-in explanatory diagram. The same operation explanatory diagram. Illustration of connection of the split top plate. In the explanatory view when using the table, (a) is a partial front view and (b) is a back perspective view. Explanatory drawing of the same folding process. The figure (perspective view). Cross-sectional view after the same folding. Explanatory drawing which shows the manufacturing process of the same top plate (second example). The whole perspective view of the same leg mounting member (second embodiment). The built-in explanatory diagram (second embodiment).

Next, an embodiment of the present invention (a folding table using the table top plate of the present invention) will be described.

1 to 12 show an embodiment of a folding table using the divided top plate 11 of the first embodiment. The folding table is composed of a top plate 1 and folding legs 2, and the top plate 1 is each. It is formed of a plurality of divided top plates 11, a connecting piece 12, and a screw body 13.

The split top plate 11 faces the side edge portions 112 on both sides of the long top plate portion 111 with the shaft mounting portion (top plate connecting portion) 113 and the back surface of the top plate portion 111 at an appropriate interval (mounting gap 116). It is made of an extruded material having a leg mounting protrusion 114 protruding from the side edge side (FIG. 3a), and the side edge portion 112 at the tip is deleted to project the tip of the top plate portion 111 (FIG. 3). B) The protruding portion is bent upright on the back surface side to form the end face portion 115. The side edge portion 112 is formed at an appropriate height so as to secure the facing space A described later.

Further, the shaft mounting portion 113 is formed in a shape in which the screw body 13 can be fixed by press-inserting (pressure-screwing) the screw body 13.

The split top plate 11 is parallel to the front and rear, and the adjacent split top plate 11a is connected to the connecting piece 12 by using a screw body 13, and the shaft mounting portion of the split top plate 11a adjacent to the split top plate 11 is used. (Top plate connecting portion) 113 and a connecting piece 12 provided with a corresponding play hole (axial connection portion) 121 are passed between the split top plates, a screw body 13 is inserted through the free hole 121, and the screw body 13 is attached to the shaft. It is fixed to 113, and the parallel split top plates 11 are foldably connected to form the top plate 1.

Therefore, the top plate 1 is such that the adjacent split top plates 11 are foldably connected to each other, and is used as a table top plate in a flat plate state, and is folded according to the folding operation of the folding legs 2 described later. ..

The folding leg 2 is composed of a leg plate 21, a top plate support plate 22, and a leg mounting plate (leg mounting member) 23, and is provided on the split top plate 11 located at the front and rear ends in the present embodiment.

The leg mounting plate 23 is provided with a rising connecting surface 231 and is inserted into a mounting gap 116 formed between the back surface of the top plate portion 111 and the leg mounting protrusion 114 on the left and right sides of the split top plate 11 at the front and rear ends (end surface portion). 115 Insert it in advance before standing up), and fix it by caulking.

The leg plate 21 includes a leg surface portion 211 and side surface portions 212 having both sides of the leg surface portion bent, and the base end of the side surface portion 212 is pivotally connected along the rising connecting surface 231 to the back surface of the top plate portion 111. It is provided so that it can stand up and down freely.

Since the top plate support plate 22 connects the bases of the front and rear leg plates 21 on the left and right outer surface sides (outer surface side when the leg plate 21 is laid down), one end thereof is pivotally connected to one of the leg plates (coordinated shaft 221). It is rotatably connected and is provided with a locking protrusion 222 at the other end.

Further, in the connection / folding of the top plate support plate 22, the locking protrusion 222 is locked to the base end edge of the leg surface portion 211 of the leg plate 21 to be detached and connected by the rotation operation of the top plate support plate 22. A stop recess 213 is provided, and when the top plate support plate is laminated on the leg plate during folding and storage, the locking protrusion 222 is engaged with the relevant portion of the leg surface portion 211 of the leg plate 21 so as not to collide with the leg plate 21. A storage hole 214 for the stop portion 222 is formed.

Further, the height relationship between the folding leg 2 and the side edge portion 112 of the split top plate 11 is such that the leg plate 21 is laid down and the top plate support plate 22 is laminated on the leg plate 21 (when folded). When the split top plate 11 is covered with the adjacent disassembled top plate 11a, the split top plate 11 is formed to have a thickness that fits in the facing space A formed by the split top plates 11 and 11a.

Therefore, in the above-mentioned folding table, the divided top plate 11 is expanded to form a top plate, the bases of the front and rear leg plates 21 are connected by the top plate support plate 22 on the back surface of the top plate, and the top plate support plate is raised when the leg plate 21 is erected. 22 comes into contact with the back surface of the top plate 1 to stabilize the standing state of the folding legs 2 and is used as a table (FIGS. 1 and 9).

Explaining the folding operation, the entire folding leg 2 is laid down (FIG. 10A), the locking protrusion 222 of the top plate support plate 22 is removed from the locking recess 213, and the folding leg 2 is laid down (FIG. 10b). It rotates on the leg plate 21 and accommodates the locking protrusion 222 in the storage hole 214 (FIG. 10C).

When the split top plate 11 to which the folding legs 2 are attached is folded inward in the above state, the back surface of the split top plate 11 forms a facing space A with the back surface of the adjacent split top plate 11, and the facing space A is formed. The components of the folding legs (the leg plate 21, the top plate support plate 22, and the leg mounting plate 23 are housed inside (FIGS. 2 and 12).

13 to 15 show the embodiment of the folding table using the divided top plate 11A of the second embodiment, and the folding table using the divided top plate 11A is the same as the divided top plate 11 of the first embodiment. A folding table is formed by the structure of the above, and a leg mounting plate (leg mounting member) 23A corresponding to the split top plate 11A is adopted.

The split top plate 11A has a shaft mounting portion 113A having a shape that allows the screw body 13 to be fixed by press-inserting (pressure-screwing) the screw body 13 into the side edge portions 112 on both sides of the long top plate portion 111. It is formed of an extruded material provided with a notch (mounting gap) 116A for mounting a leg having an appropriate gap with the back surface of the top plate portion 111 on the inner side of the shaft mounting portion 113A (FIG. 13a).

Further, the side edge portion 112 at the tip of the extruded material is deleted to project the tip of the top plate portion 111, and a through hole 117 for fixing the leg mounting plate (leg mounting member) 23A is bored in the protruding portion (FIG. 3b), the protruding portion is raised and bent toward the back surface side to form the end face portion 115A. Of course, the side edge portion 112 is formed at an appropriate height in which the facing space A is secured.

Similar to the split top plate 11 of the first embodiment, the split top plate 11A is formed by connecting the adjacent split top plates 11a to the connecting piece 12 using a screw body to form the top plate 1, and the table top is in a flat plate state. It is used as a board and is folded according to the folding operation of the folding leg 2.

The leg mounting plate 23A corresponding to the split top plate 11A is provided with the rising connecting surface 231 as in the first embodiment, and also has a width to be fitted into the notches 116A on both sides of the back surface of the split top plate 11A, as appropriate. A projecting plate portion 232 having a length is provided, the tip of the projecting plate portion 232 is formed on an upright surface 233, and a connecting hole 234 is provided at a position corresponding to the fixing through hole 117.

The leg mounting plate 23A is inserted into the notches 116A on both sides of the back surface of the split top plate 11A (inserted before the end face portion 115A stands up), and is connected and fixed by attaching rivets to the fixing through holes 117 and the connecting holes 234. do.

Hereinafter, the folding table is formed by attaching the folding legs 2 in the same structure as the structure using the split top plate 11 of the first embodiment.

In the illustrated embodiment, four divided top plates 11 are adopted, and the divided top plates 11 at the front and rear ends are formed by incorporating the components of the folding legs 2, but the number of the divided top plates 11 is arbitrary (odd number). In the case of, the back surface of one of the split top plates 11 at the front and rear ends is bundled in an exposed state at the time of folding.) Further, the incorporation of the folding legs 2 is not limited to the back surface of the split top plate 11 at the front and rear ends.

Further, in the present embodiment, an extruded material is used for the divided top plate 11, but if the extruded material is limited, the shaft mounting portion 113 may be formed by the side edge portion 112 of the divided top plate 11 by drawing. ..

1 Top plate 11, 11A, 11a Divided top plate 111 Top plate portion 112 Side edge portion 113, 113A Shaft mounting portion (top plate connecting portion)
114 Leg mounting protrusions 115, 115A End face 116 Mounting gap 116A Notch 117 Fixing through hole 12 Connecting piece 121 Free hole (Pilot connection)
13 Screw body 2 Folding leg 21 Leg plate 211 Leg surface portion 212 Side surface portion 213 Locking recess 214 Storage hole 22 Top plate support plate 221 Pivot connection shaft 222 Locking protrusion 23, 23A Leg mounting plate (leg mounting member)
231 Rising surface 232 Protruding plate 233 Elevating surface 234 Connecting hole

Claims (5)

In a table top plate formed by parallelly forming split top plates formed of a long plate body, a shaft mounting portion for connecting to an adjacent split top plate on the lower surface of the top plate portion of both end faces of the split top plate. the formed integrally with the divided top plate, a connecting piece provided with a遊孔corresponding to the shaft mounting portion at both ends,圧挿attached to divide the top plate a threaded body which is inserted through the遊孔the shaft mounting portion A table top plate that is mounted on the table and is rotatably connected between adjacent split top plates. The table top plate according to claim 1, wherein the split top plate is formed of an extruded material provided with a shaft mounting portion. The table top plate according to claim 2, wherein a leg mounting protrusion having an appropriate gap from the back surface of the top plate portion is formed inside the shaft mounting portion forming portion on the back surface of the top plate portion. The table top plate according to claim 2, wherein a notch for mounting a leg having an appropriate gap from the back surface of the top plate portion is formed on the inner side of the shaft mounting portion forming portion on the back surface of the top plate portion. The table top plate according to any one of claims 1 to 4, wherein the protruding portion is projected outward between the top plate connecting portions at both ends of the divided top plate, and the protruding portion is bent to the back surface to form an end face portion.

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