JPH024628Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Field of Application> This invention relates to a folding platform with an improved cross-leg support device for a platform for displaying merchandise.

<Prior Art> Generally, the number and location of display stands installed on the floor of a store and having a flat stand for displaying products on the top surface varies depending on the season, events, etc.

Therefore, this flat base stably supports the flat base on the top surface when in use, and is equipped with crossed legs that can be opened and closed in an X-shape that can be folded into a small size to reduce the volume when moving or storing. I got a foldable flatbed.

Such a folding type flat table is conventionally constructed as shown in FIGS. 4 to 6, and the conventional folding type flat table will be explained based on these drawings.

The flat base 1 is made of rectangular thick plywood, and a net-like part 1a made of wire mesh is formed surrounding the outer periphery of the upper surface. A pair of guide members 55 having a U-shaped cross section are provided on the bottom surface of the flat table 1 so as to extend in the longitudinal direction thereof.
are parallel to each other and are fixed with their openings facing inward.

The guide member 55 has a side surface 55a having a locking hole 18 at one end into which a protrusion 8a of a locking member 8, which will be described later, can be inserted, and a similar locking hole 18 at the other end. A hole 18 is bored. When the pair of guide members 55 are disposed opposite each other, the locking hole 18 of the guide member 55 on one side and the locking hole 18 of the guide member 55 on the other side are formed to face each other. ing.

The cross leg 2 is formed from a pair of sliding legs 3, and the sliding leg 3 is composed of a pair of parallel pillars, the lower ends of which are connected by a connecting member 4 having two casters 20 at the bottom. has been done. Further, a sliding member 6, which will be described later, is fixed to its upper end. The pair of sliding legs 3 are pivoted at substantially the center thereof by a pivot member 5 to form an X-shaped crossed leg 2.

The sliding member 6 is made of a circular tubular member, and is disposed in a cross-section between a pair of guide members 55 disposed opposite each other, and both ends thereof are supported by the pair of guide members 55, respectively. , and are guided to slide in the longitudinal direction of the guide member 55. Further, a locking means 57 is fitted into the sliding member 6 so as to penetrate through the sliding member 6.

The locking means 57 is formed from a pair of locking members 8 having a protrusion 8a at one end, and a compression coil-shaped spring 11 disposed between the pair of locking members 8. Then, the spring 11 is fitted into the sliding member 6,
A pair of locking members 8 are fitted to both ends thereof, with the bottom surfaces 8b abutting and the protrusions 8a directed outward.

When the sliding member 6 incorporating the locking means 57 is disposed between the pair of guide members 55, it is urged outward by the spring 11, and the protrusions 8a are pushed from both ends of the sliding member 6. protrudes and can be fitted into the locking hole 18.

Then, when the sliding member 6 is slid outward of the guide member 55, the locking means 57 locks the guide member 55.
, and the protrusion 8a is in elastic contact with the side surface 55a of the guide member 55. Then, the tips of the pair of sliding legs 3 move outward, and the cross legs 2 are closed into a substantially flat shape as shown by the two-dot chain line in FIG.
It is stored in close contact with the bottom of the flat table 1. Normally, the intersecting legs 2 and the flat base 1 are held in close contact by fitting a separate fixing member to restrict the swinging of the intersecting legs 2.

Further, when the sliding member 6 is slid inward of the guide member 55, the pair of protrusions 8a are inserted into the locking holes 18, respectively.
When the sliding member 6 is inserted into the holder, the sliding member 6 is locked. Then, the tips of the pair of sliding legs 3 slide inward,
The cross legs 2 are opened in an X-shape, and the flat base 1 is supported at a predetermined height.

In addition, in order to close the crossed legs 2 opened in an X-shape, press 4.
This is done by pressing the head of the protrusion 8a fitted into each locking hole 18 and moving the cross leg 2 in the direction of closing.

<Problems to be solved by the invention> However, in the case of such a conventionally configured folding flat platform, the engagement between the four protrusions 8a and the locking hole 18 must be released at the same time when folding. However, the work was troublesome.

Furthermore, when moving with the legs closed, the cross legs 2 tend to swing and hang down, necessitating a separate fixing member to restrain them.

<Means for solving the problem> This invention was made in order to solve the above problems, and consists of a pair of sliding legs that are crossed in an X shape so that they can be folded, and A flat base placed on the upper surface of the leg, a pair of sliding members fixed to the upper end of the sliding leg, and a pair of sliding members provided parallel to the bottom surface of the flat base so that both ends of the sliding member are slidable. A foldable flat table comprising a pair of guide members for guiding and supporting, and a locking means that is installed inside the sliding member and is locked in a locking hole provided in the guide member, wherein the guide member It has a plurality of locking holes for locking the locking means at each of the open and closed positions of the crossed legs, and the locking means is biased outwardly to form the locking hole in the locking hole. The foldable flat base has a locking member that can be fitted into the locking member, and an operating rod that is fixed to the bottom surface of the locking member and that operates to disconnect and release the locking member from the locking hole.

<Operation> This device is constructed as described above. First, the locking member and the locking hole are released from each other by pulling the operating rod, and the pair of sliding members are moved outward from each other. the locking member to lock the locking member in the locking hole on the outside. Due to this locking, the cross leg is housed in a closed state on the bottom surface of the flat base in a close state, and this state is maintained.

Next, pull the operating rod to release the lock between the locking member and the locking hole, and slide the pair of sliding members inward toward each other, so that the locking member is inserted into the inner locking hole. to lock. By this locking, the cross legs support the flat base at a predetermined height in the open leg state and maintain this state.

<Example> Hereinafter, an example of this invention will be shown in Figures 1 to 3.
This will be explained based on the diagram. In the following description, the same components as in the conventional example are given the same reference numerals, and the description thereof will be omitted.

The guide members 15 are U-shaped in cross section, and a pair of guide members 15 are fixed in parallel to the bottom surface of the flat base 1 so as to extend in the longitudinal direction thereof, with their openings facing inward.

One end of the side surface 15a of the guide member 15 has an elongated hole 16 through which an operating rod 9 (described later) can pass through and has a predetermined length, and a tip end of the operating rod 9 is located inwardly of the elongated hole 16. A housing hole 17 is provided through which the housing can be inserted. Further, at the other end, a locking hole 19 into which the protrusion 8a of the locking member 8 can fit, and a similar locking hole 18 are formed at a predetermined distance inward of the locking hole 19. ing. When the pair of guide members 15 are disposed opposite each other, the elongated hole 16 of the guide member 15 on one side and the locking holes 18 and 19 of the guide member 15 on the other side are formed to face each other. has been done.

The locking means 7 includes a locking member 8 having a protrusion 8a at one end, an operating rod 9 having one end fixed to the bottom surface 8b of the locking member 8 and a hook-shaped portion 9a formed at the other end, and an operating rod. 9 and a compressed coil-shaped spring 11 provided in a wound manner.

When the locking means 7 is fitted into the sliding member 6 and disposed between the pair of guide members 15,
The spring 11 is sandwiched between the side surface 15a of the guide member 15 and the bottom surface 8a of the locking member 8.
is biased outward. Therefore, the protrusion 8a of the locking member 8 protrudes from one end of the sliding member 6 and can be fitted into the locking hole 18 or 19, and the hook-shaped portion 9a of the operating rod 9 protrudes from the other end to fit into the elongated hole 16.
penetrated by. Furthermore, the hook-shaped portion 9a is formed to have an oval cross section, and is configured to move along the elongated hole 16 while maintaining the same posture. When the hook-shaped portion 9a is pulled in the direction of the arrow in FIG. 3, the spring 11 is compressed and the protrusion 8a can be released from fitting into the locking hole 18 or 19.

Then, when the sliding member 6 is slid outward of the guide member 15, the operating rod 9 of the locking means 7 moves to the outer end of the long hole 16 of the guide member 15 on one side,
The tip of the hooked portion 9a is housed in the elongated hole 16. Further, the protrusion 8a of the locking member 8 is connected to the guide member 15 on the other side.
The sliding member 6 is fitted into the locking hole 19 to lock the sliding member 6. Furthermore, the sliding member 6 on the other side is operated in the same manner as described above, so that the tips of the pair of sliding legs 3 move outward, and the crossed legs 2 are moved approximately as shown by the two-dot chain line in FIG. It is closed in a flat shape and is stored in close contact with the bottom surface of the flat table 1.

Further, when the sliding member 6 is slid inward of the guide member 15, the operating rod 9 moves to the inner end of the elongated hole 16 of the guide member 15 on one side, and the tip of the hooked portion 9a is It is stored in the storage hole 17, and the protrusion 8a is fitted into the locking hole 18 of the guide member 15 on the other side, so that the sliding member 6 is locked. The sliding member 6 on the other side is operated in the same manner as described above, so that the tips of the pair of sliding legs 3 move inward, and the crossed legs 2 open in an X-shape.
A flat table 1 is supported at a predetermined height.

It should be noted that this invention is not limited to the above-mentioned explanation and illustrations, and its embodiments can be changed within a range that does not depart from the technical idea of this invention.

<Effects of the invention> As explained above, the foldable flat table of this invention has a pair of sliding legs crossed in an X shape, a flat table placed on the upper surface of the crossing legs, and a sliding a guide member that guides and supports a sliding member provided on the leg;
In a folding flat platform equipped with a locking means built into a sliding member and locked in a locking hole of a guide member, the guide member locks the locking means in each of the open and closed positions of the crossed legs. The locking means includes a locking member that can be pushed outward and fit into the locking hole, and a locking member that is fixed to the bottom surface of the locking member and that is inserted into the locking hole. Since the configuration includes an operating rod for removing the locking member locked to the latching member, the locking means and the locking hole can be released by pulling the two operating rods, and the closing leg of the crossed leg can be released by pulling the two operating rods. Folding work can be done extremely easily and quickly.

In addition, since the intersecting legs are locked by the locking means even when the legs are closed, there is no need for a separate restraining member to prevent the intersecting legs from swinging, and the folding platform can be moved easily.
It is easy to stack, and the foldable flat platform can be quickly installed and stored.

[Brief explanation of the drawing]

Figure 1 is a front view of a folding flat platform according to an embodiment of this invention, Figure 2 is a side view of the same, Figure 3 is a sectional view taken along line A--A in Figure 1, and Figure 4 is a conventional folding type. FIG. 5 is a front view of the flat base, FIG. 5 is a side view, and FIG. 6 is a sectional view taken along the line of FIG. 4. 1...Flat platform, 2...Cross legs, 6...Sliding member,
7... Locking means, 8... Locking member, 9... Operating rod, 15... Guide member, 18, 19... Locking hole.

Claims (1)

[Claims for Utility Model Registration] A pair of sliding legs crossed in an X-shape so that they can be folded; a flat base placed on the upper surface of the sliding legs; a pair of fixed sliding members; a pair of guide members provided parallel to the bottom surface of the flat base and slidably guiding and supporting both ends of the sliding member; In the folding flat table, the guide member is provided with a locking means that locks in a locking hole provided in the guide member, and the guide member locks the locking means in each of the open and closed positions of the crossed legs. The locking means has a plurality of locking holes for locking, and the locking means includes a locking member that can be pushed outward and fit into the locking hole, and a locking member that is fixed to the bottom surface of the locking member. A folding flat platform, comprising an operating lever for engaging and removing the engagement with the engagement hole.