JP2578073B2 - Connection mechanism between the top plate and the legs in the folding table - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanism for connecting a top plate and legs in a folding table, and more particularly to a mechanism for connecting a top plate and legs in a folding table used outdoors such as a campsite.

[0002]

2. Description of the Related Art A conventional folding table of this type is:
It is composed of a top plate 100 and legs 200 supporting the top plate 100. The top plate 100 is formed by connecting two plate members foldably with hinges or the like. The leg 200 is also foldable. As shown in FIG. 4, the leg 200 includes a support leg 210 and the support leg 21.
And two horizontal support bars 220 that are bridged over the leading end of the zero.

The support leg 210 has four support legs 211A.
To 211D and four sets of X-shaped connecting bars 212A to 212D for interconnecting the support legs 211A to 211D.
And four fitting members 213A to 213D attached to the upper ends of the support legs 211A to 211D.

[0004] The four support legs 211A to 211D are portions that serve as legs of the folding table, and have, for example, rubber stone feet attached to the lower ends thereof.

[0005] The connecting bar 212A is provided between the support leg 211A and the support leg 211B, and has two bars 212A ₁ , 21 which are pivotally supported at a substantially central portion so as to be openable and closable.
And 2A _2, the bar 212A _1, attached to one end of 212A _2, the support leg 211A and the support legs 211B slidably mounted and two sliders 212A
_3, and a 212A _4. Bar 212A ₁ , 21
The other end of the 2A _2, i.e. the slider 212A _3, 212A
_On the side opposite to the side where ₄ is provided, each fitting member 213
A, 213B.

[0006] Other three sets of connecting bars 212B to 212D
Are the same as the connection bar 212A described above.

The four fitting members 213A to 213D are made of an elastic synthetic resin or the like, and are formed in such a size and shape that the horizontal support rod 220 is fitted.

The horizontal support bar 220 is attached to the back side of the top plate 100 and connects the top plate 100 and the support leg 210 of the leg 200. There are the following two types of structures for connecting the lateral support bar 220 and the top plate 100.

First, as shown in FIG. 5, the first type is a top plate-side connecting member 120 which covers a concave portion 130 formed on the back surface of the top plate 100, and a support rod inserted into the lateral support rod 220. It has a side connecting member 230 and a bolt 240 screwed to the support rod side connecting member 230. In the case of the first type, the lateral support bar 220 is a simple round pipe.

The top plate side connecting member 120 has a wide portion 1
A substantially T-shaped opening 121 composed of 21A and a narrow portion 121B connected to the wide portion 121A is opened.

On the other hand, the support rod side connecting member 230 is provided with a through hole 231 into which the lateral support rod 220 is inserted, and can be inserted into the wide portion 121A, but cannot be inserted into the narrow portion 12B. A pair of left and right flanges 232 are provided. The bolt 240 is connected to the through hole 231.
In addition, the tip comes to face.

In the first type, the flange portion 232 of the support rod-side connecting member 230 into which the lateral support bar 220 is inserted is inserted into the recess 130 through the wide portion 121A of the opening 121 of the top plate-side connecting member 120. Then, as shown in FIG. 5B, the support rod side connecting member 230 is slid toward the narrow portion 121B. As a result, the support rod side connecting member 230 is attached to the top plate 100. After that, the lateral support bar 220 is fixed to the support bar side connecting member 230 with the bolt 240.

As shown in FIGS. 4 and 6, the lateral support bar 220 according to the second type has a projecting portion 250 having a substantially T-shaped cross section as viewed in cross section over substantially the entire length excluding the end portion. . This spike portion 250 is formed in a cross section substantially T
The horizontal support rod 2 is inserted into the T-shaped
20 is attached to the top plate 100. The reason why the projecting portion 250 is not provided at the end of the lateral support bar 220 is that a rubber cap is fitted into the end to prevent danger.

[0014]

However, the above-mentioned conventional folding table has the following problems. In the first type, since the support bar side connection member is merely fitted into the opening of the top plate side connection member, the support bar side connection member may easily come off from the top plate side connection member. . In particular, those used repeatedly are more likely to come off. Further, in the first type, the number of components such as the supporting rod side connecting member, the top plate side connecting member, the bolts, and the like is increased, which is a factor of increasing the cost of the folding table.

On the other hand, in the second type, since the projecting portion of the lateral support rod is inserted into the T-slot, there is no possibility that the projecting portion will come off as in the first type. Inconvenient.
That is, since the lateral support bar must always be inserted straight into the T-slot, it requires some skill and is difficult to assemble especially for children.

The present invention has been made in view of the above circumstances, and the connection between the lateral support bar and the top plate is easy, there is no possibility of being detached, the safety is high, the number of parts is reduced, and the cost is reduced. An object of the present invention is to provide a connection mechanism between a top plate and a leg in a folding table that can be lowered.

[0017]

In the folding table according to the present invention, the connecting mechanism between the top plate and the legs is provided with a T
What is claimed is: 1. A folding table having a top plate having a groove and a leg supporting the top plate, wherein the leg is attached to a foldable support leg and a tip of the support leg. A T-slot bolt having a T-slot nut attached to the tip thereof penetrates the T-slot nut, and the T-slot nut is inserted into the T-slot.
By tightening the groove bolt, the horizontal support bar and the top plate are connected.

Further, the connecting mechanism between the top plate and the legs in the folding table according to the present invention is a folding table having a top plate having a T-groove formed on the back surface and a leg supporting the top plate. And a connecting member having a connecting member inserted into the T-groove and a connecting claw provided on the inserting member.
When the lateral support bar of the leg portion is pressed into the connecting claw while being inserted into the groove, the overhang portion of the T-groove is clamped by the insert and the lateral support bar, thereby connecting the lateral support bar and the top plate. It has become. .

Further, the connecting mechanism between the top plate and the legs in the folding table according to the present invention is provided in a folding table having a top plate having a concave portion formed on the back surface and a leg supporting the top plate. A connection mechanism between the top plate and the leg portion, comprising: a top plate-side connection member that covers the concave portion; and a connection member that has a connection claw that is pressed into the lateral support bar.
The top plate-side connecting member has a substantially T-shaped opening including a wide portion and a narrow portion connected to the wide portion, and the connecting member can be inserted into the wide portion, but the narrow portion has Has an insertion portion that cannot be inserted, and the insertion portion press-fits the lateral support bar into the connecting claw of the connecting member inserted into the narrow portion through the wide portion, thereby connecting the lateral support bar and the top plate. It is designed to be connected.

[0020]

FIG. 1 is a schematic perspective view of a connecting mechanism between a top plate and legs in a folding table according to a first embodiment of the present invention, and FIG. 2 is a folding view according to a second embodiment of the present invention. FIG. 3 is a schematic perspective view of a coupling mechanism between the top plate and the legs in the folding table according to the third embodiment. FIG. 3 is a schematic perspective view of a coupling mechanism between the top plate and the legs in the folding table according to the third embodiment. It is to be noted that parts and the like that are substantially the same as those of the related art are denoted by the same reference numerals and described.

The connection mechanism between the top plate and the legs in the folding table according to the first embodiment includes a top plate 100 having a T-groove 110 formed on the back surface, and a leg 200 supporting the top plate 100. A foldable table having a support leg 210, wherein the leg 200 is foldable;
Lateral support bar 2 attached to the tip of this support leg 210
And a T-slot bolt 30 having a T-slot nut 310 attached to the tip thereof.
0 penetrates the T-slot nut 310 and the T-slot 110
The lateral support bar 220 and the top plate 100 are connected by tightening the T-slot bolt 300 in a state where the top plate 100 is inserted.

First, the top plate 100 will be described. This top plate 100 is, for example, two plate materials connected by hinges, and two of them are provided on the back side (however, 1
(Only a book is shown).

The dimension of the upper opening of the T-groove 110, that is, the reference dimension, is set smaller than the diameter of the lateral support rod 220.

On the other hand, the leg 200 is
It is a round pipe as in the case of the first type described in the section of the prior art. Therefore, the ridge is not formed unlike the second type described in the section of the prior art.

A T-slot bolt 300 penetrates through two lateral support rods 220 constituting the leg 200 together with the support leg 210. The tip of the T-slot bolt 300 has a T
The groove nut 310 is screwed. This T-slot nut 31
No. 0 prevents the tip of the T-slot bolt 300 from dropping out of the T-slot bolt 300 by crushing the tip.

In the drawings, the T-slot bolt 300 is a butterfly bolt so as to be easily turned. However, the present invention is not limited to this, and the T-slot bolt having a knurled peripheral surface of the head is used. It may be.

Although two T-slot bolts 300 and the like are attached to one lateral support bar 220, one or three or more T-slot bolts may be provided. The more, the more
The connection between 00 and the leg 200 becomes strong.

Next, the operation of the connecting mechanism between the top plate and the legs in the folding table having the above-described configuration will be described. First, the gap between the T-slot nut 310 and the lateral support bar 222 is maximized, and the T-slot nut 310 is
Insert When all the T-slot nuts 310 are inserted into the T-slots 110, the T-slot bolts 310 are tightened.

By tightening the T-slot bolt 300, the gap between the T-slot nut 310 and the lateral support bar 220 is reduced, and the overhang portion 111 of the T-slot 110 is sandwiched between them. At the same time, the lateral support bar 220 fits into the opening above the T-groove 110, so that the connection between the top plate 100 and the horizontal support bar 220 is more stable.

The fitting member 213A of the expanded support leg 210
By inserting each horizontal support bar 220 into ~ 213D,
The folding table is completed.

Next, the connection mechanism between the top plate and the legs in the folding table according to the second embodiment will be described with reference to FIG.

The connection mechanism between the top plate and the legs in the folding table according to the second embodiment includes a top plate 100 having a T-groove 110 formed on the back surface, and a leg 200 supporting the top plate 100. A coupling mechanism for connecting a top plate and a leg in a foldable table having: an insertion member 410 inserted into a T-slot 110; and a connection claw 4 provided on the insertion member 410.
20. When the horizontal support bar 220 of the leg 200 is press-fitted into the connection claw 420 in a state where the insert is inserted into the T-slot 110, the insert 410
The horizontal support bar 220 is configured so that the overhang portion 111 of the T-shaped groove 110 is sandwiched.

The top plate 100 in the second embodiment is the same as that in the first embodiment, and the legs 200 are the same as those in the first embodiment except for the T-slot bolt 300 and the like.

The insert 410 of the connecting member 400 corresponds to the T-slot nut 310 in the first embodiment, and is movable along the T-slot 110 in the T-slot 110. It is configured so that it cannot be rotated in the T groove 110. However, this insert 410 has a T-slot 110
It can move up and down slightly inside.

The connecting pawl 4 provided on the insert 410
Reference numeral 20 denotes a pair of substantially C-shaped members arranged so as to face each other. When the horizontal support bar 220 is press-fitted, the horizontal support bar 220 is held. For this reason, the connecting claws 420 are formed of an elastic synthetic resin or metal.

In order to connect the top plate 100 and the leg 200 using the connecting member 400, first, the connecting member 400 is
Insert into groove 110. It is preferable to insert two connecting members 400 into one T-groove 110 from the viewpoint of strength and labor, but it may be one or three or more.

The lateral support bar 220 is press-fitted into the connecting claw 420 protruding from the opening of the T groove 110. Then, the insert 410 is slightly lifted (moves to the back side of the top plate 100), and the overhang portion 111 is sandwiched between the insert 410 and the lateral support bar 220. Thus, the top plate 100 and the horizontal support bar 220 are connected. And this horizontal support rod 2
20 is a fitting member 213A of the supporting leg 210 of the leg 200.
When it is fitted into ２213D, the folding table is completed.

Next, with reference to FIG. 3, a description will be given of a connection mechanism between the top plate and the legs in the folding table according to the third embodiment.

The connection mechanism between the top plate and the legs in the folding table according to the third embodiment includes a top plate 100 having a recess 130 formed on the back surface and a leg 200 supporting the top plate 100. A connection mechanism between the top plate and the legs in the folding table having a top plate-side connection member 120 that covers the recess 130 and a connection member 400 that has a connection claw 420 that is pressed into the lateral support bar 220. The top plate-side connecting member 120 has a substantially T-shaped opening 121 formed by a wide portion 121A and a narrow portion 121B connected to the wide portion 121A.
0 can be inserted into the wide portion 121A, but the narrow portion 12
1B has an insertion portion 410 that cannot be inserted, and the insertion portion 410 is attached to the connection claw 420 of the connection member 400 inserted into the narrow portion 121B via the wide portion 121A.
The horizontal support bar 220 and the top plate 100 are connected by press fitting 0.

The connecting member 400 in the third embodiment is
Since it is the same as the connecting member 40 in the second embodiment, a detailed description thereof will be omitted. Also, the top plate side connecting member 120
Is the same as the top plate side connection member 120 described in the section of the related art.

In the connection mechanism between the top plate and the legs in such a folding table, the insertion portion 4 of the connection member 400 is used.
10 is inserted from the wide portion 121A into the concave portion 130 (see FIG. 3A), and the connecting member 4 is moved toward the narrow portion 121B.
Slide 00. Then, as shown in FIG. 3B, the connecting claw 420 protrudes from the narrow portion 121B. When the lateral support bar 220 is press-fitted into the connecting claw 420, the insert 4
10 is slightly lifted (moves to the back side of the top plate 100), and the top plate side connecting member 120 is sandwiched between the insert 410 and the lateral support bar 220. Thus, the top plate 100 and the horizontal support bar 220 are connected. Subsequent assembly of the folding table is as described above.

[0042]

As described above, the connecting mechanism between the top plate and the legs in the folding table according to the present invention includes a top plate having a T-groove formed on the back surface and a leg supporting the top plate. A linking mechanism between the top plate and the legs in the folding table, the legs having a foldable support leg and a lateral support bar attached to the tip of the support leg. And a T-slot bolt having a T-slot nut attached to the tip thereof penetrates the lateral support bar.
By tightening the T-slot bolt with the slot nut inserted in the T-slot, the lateral support bar and the top plate are connected. Therefore, even if the T-slot nut of the lateral support bar is inserted into the T-slot, the T-slot bolt rotates, so that it is not necessary to insert the lateral support bar straight into the T-slot. Therefore, the connection between the lateral support bar and the top plate is very easy. In addition, since the horizontal support bar and the top plate are connected by tightening the T-slot bolt, there is no danger that the horizontal support bar will come off from the top plate as long as the T-slot bolt is properly tightened. It can be an expression table.

The connecting mechanism between the top plate and the legs in this folding table has fewer parts than the conventional one, and can contribute to the cost reduction of the folding table.

Further, according to the connecting mechanism of the top plate and the legs in the folding table according to the second aspect, the top plate having the T-groove formed on the back surface and the legs supporting the top plate. A connection mechanism for connecting the top plate and the legs in the folding table, comprising a connecting member having an insert inserted into the T-slot and a connecting claw provided on the insert. When the lateral support bar of the leg portion is pressed into the connecting claw while being inserted into the T groove, the overhang portion of the T groove is sandwiched by the insert and the lateral support bar, so that the lateral support bar and the top plate are connected. If they are connected, T
Since the work of tightening the groove bolt is not required, the assembly becomes easier.

In the case of the folding table according to the third aspect of the present invention, the work of tightening the T-slot bolt is not required, so that the assembling is further simplified.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a connection mechanism between a top plate and a leg in a folding table according to one embodiment of the present invention.

FIG. 2 is a schematic perspective view of a coupling mechanism between a top plate and a leg in a folding table according to a second embodiment of the present invention.

FIG. 3 is a schematic perspective view of a coupling mechanism between a top plate and a leg in a foldable table according to a third embodiment.

FIG. 4 is a schematic perspective view of a leg used for a folding table.

FIG. 5 is a schematic perspective view of a connection mechanism between a top plate and a leg in a conventional folding table.

FIG. 6 is a schematic perspective view of a connection mechanism between a top plate and a leg in a conventional folding table.

[Explanation of symbols]

 REFERENCE SIGNS LIST 100 Top plate 110 T-slot 200 Leg 210 Support leg 220 Lateral support bar 300 T-slot bolt 310 T-slot nut

Claims (3)

(57) [Claims] 1. A connecting mechanism for connecting a top plate and a leg in a folding table having a top plate having a T-shaped groove formed on a back surface and a leg supporting the top plate, wherein the leg is foldable. And a lateral support bar attached to the tip of the support leg. A T-slot bolt with a T-slot nut attached to the tip penetrates the lateral support bar. And a connecting mechanism for connecting the horizontal support bar and the top plate by tightening the T-slot bolt with the T-slot nut inserted into the T-slot, wherein the horizontal plate and the top plate are connected. 2. A mechanism for connecting a top plate and a leg in a folding table having a top plate having a T-groove formed on the back surface and a leg supporting the top plate, the insertion being inserted into the T-groove. A connecting member having a body and a connecting claw provided on the insert, and when the lateral support bar of the leg is pressed into the connecting claw with the insert inserted into the T-groove, the insert A coupling mechanism between a top plate and a leg in a folding table, wherein the lateral support bar and the top plate are connected by sandwiching the overhang portion of the T-groove with the lateral support bar. 3. A connecting mechanism for connecting a top plate and a leg in a foldable table having a top plate having a recess formed on a back surface and a leg supporting the top, the top being covered with the recess. A connection member having a connection claw that is press-fitted into the lateral support bar, wherein the top plate-side connection member has a substantially T-shaped opening including a wide portion and a narrow portion connected to the wide portion. The connection member has an insertion portion that can be inserted into the wide portion, but cannot be inserted into the narrow portion, and the insertion portion is inserted into the narrow portion through the wide portion. A lateral support rod is press-fitted into a connecting claw of the connected member, whereby the top plate side connecting member is sandwiched between the insertion portion and the lateral support rod to connect the horizontal support rod to the top plate. The connection mechanism between the top plate and the legs in the expression table.