JP3538839B2 - Top plate support structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a top plate support structure having a top plate and a support member detachably provided below the top plate.

[0002]

A top plate support structure of this type includes a top plate and a support member. As the top plate, there are a table plate, a chair seat plate, and a step plate of a stepping board. It is configured to be supported by supporting members such as legs. For example, in the portable assembly table disclosed in Japanese Utility Model Laid-Open Publication No. Hei 7-25834, recesses are formed at four positions relatively close to the four corners of the top plate, and engagement fittings are integrally mounted so as to cover the recesses. On the top of the top plate coupling member, there is a portable assembly table integrally formed with a horizontal claw that can be detachably engaged with the engagement hole of the engagement metal fitting. In order to lock the horizontal claw, the top plate must be turned over or turned over to perform the locking operation, and the assembling operation is complicated.
Japanese Patent Laid-Open Publication No. Hei 10-71024 discloses a portable table (Claim 1) in which a top plate and a leg portion are detachably connected, and the folded leg portion is opened to open the top plate and the top plate. The support member is fixed by a thumb screw or the like, and the top plate support member and the leg are connected by a fixing tool (JP-A 0018).
The operation of assembling the legs is complicated.

In view of the above, a small table disclosed in Japanese Patent No. 2945665 has a leg formed by connecting a pair of substantially U-shaped frames so as to be openable and closable in a substantially X-shape when viewed from the side, and an upper edge of the pair of frames. A sheet material stretched therebetween, and a top plate portion detachably mounted between the sheet material and an upper edge portion of the frame (claims). There is a joint member for connecting the top plate portion and the leg portion, the joint member is a seat plate portion, and a substantially C-shaped angle member in a side view formed integrally with the seat plate portion. (Japanese Patent Publication No. 0011). Then, since the top plate and the leg are connected by fitting the upper edge of the frame of the angle portion of the joint member (Japanese Patent Publication No. 0017), the connecting operation can be performed relatively easily.

[0004] However, the structure in which the upper edge of the frame is fitted into the angle portion simplifies the connecting operation. However, simply inserting the frame causes the upper edge to be displaced in the longitudinal direction or to be displaced. There is a possibility that rattling may occur due to displacement in the vertical direction. Further, in the above-mentioned small table, the top plate is covered with the distance between the upper edges of the legs narrowed, and the upper edge is widened and fitted into the angle portion (FIG. 3). While holding the top plate while operating the part,
It is necessary to operate the legs, and if the work is performed with the legs upright, the work may become unstable. Particularly on a table having a large top plate, the top plate itself is heavy and bulky. In addition, the work of connecting the top plate and the legs is complicated.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a top plate supporting structure which is easy to set the top plate and the leg and also regulates the lengthwise position of the supporting member and has excellent stability. .

[0006]

According to a first aspect of the present invention, there is provided a top plate support structure including a top plate and a support member detachably provided below the top plate, wherein the support member is locked. A stop portion is provided on the top plate, and a concave engagement portion is provided on one of the support member and the top plate, and the other is engaged with the concave engagement portion to regulate the longitudinal position of the support member. It is provided with a convex engagement portion.

According to the first aspect of the present invention, when the support member is locked from the width direction to the locking portion of the top plate, the support member is restricted in the lengthwise position by the concave / convex engagement portion. Linked to

Further, according to the invention of claim 2, the locking portion is
It has an insertion portion for inserting the support member, and a stopper for preventing the support member from coming out of the insertion portion is provided.

According to the configuration of the second aspect, if the support member is locked from the insertion portion to the locking portion, the support member does not come off the top plate by the stopper.

According to a third aspect of the present invention, the support member comprises a pair of leg rods, and the locking portions are provided corresponding to the leg rods, and the locking portions are respectively provided in the length direction. And a stopper for preventing the leg rod from coming out of the insertion portion.

According to the third aspect of the present invention, the locking portion has the insertion portion opened in the same direction.
By moving the top plate in the other direction, the pair of leg rods is locked from the insertion portion to the locking portion, and the stopper prevents the stopper from falling off. Thus, there is no need to move the legs, and the work can be performed simply by holding only the top plate.

Further, according to a fourth aspect of the present invention, the support member is a pair of leg rods pivotally connected in an intersecting state and configured to be foldable, and the locking portions correspond to the leg rods respectively. These locking portions have an insertion portion that opens in one side direction that intersects the length direction, and this insertion portion prevents the leg rod from coming out of the insertion portion of the locking portion on the top plate edge side. That is, a stopper is provided.

According to the structure of the fourth aspect, since the locking portion has the insertion portion opened in the same direction, the pair of legs is moved by moving the top plate toward the other side with respect to the support member. The rod is locked from the insertion portion to the locking portion, and the stopper prevents the stopper from coming off. After the legs are opened in this way, there is no need to move the legs, and the work can be performed simply by holding only the top plate. In addition, since the legs which are pivoted in the crossed state are used, it is not necessary to provide stoppers at the locking portions on both sides, and if the insertion portion is provided with a stopper corresponding to the locking portion on the edge of the top plate. In use, the leg does not come off the locking portion.

According to a fifth aspect of the present invention, the top plate is composed of a divided top plate portion which is assembled by abutting each other, and wherein the convex engagement portion is provided at a position where the divided top plate portion abuts. Department.

According to the structure of the fifth aspect, the wall portion at the abutting portion of the divided top plate portion is engaged with the concave engagement portion of the support member, and the support member is positioned in the longitudinal direction.

According to a sixth aspect of the present invention, the top plate comprises a divided top plate portion which is assembled by abutting each other, and wherein the convex engagement portion is provided at a position where the divided top plate abuts. Parts, each of which is provided on the divided top plate part,
These butted walls fit into the concave engaging portions.

According to this configuration, the two walls at the abutting portion of the divided top plate engage with the concave engagement portions of the support member, and the support member is positioned in the longitudinal direction. In addition, since the two wall portions are fitted into the concave engagement portions, abutting portions of the two divided plate portions provided with the both wall portions are prevented from being opened.

Further, the invention according to claim 7, wherein the top plate is:
It consists of divided top plates that are assembled with each other,
The projection engaging portion is a wall portion provided at an abutting portion of the divided top plate portion, and the locking portion and the stopper are provided on the divided top plate portion, respectively.

According to the structure of the seventh aspect, the support members are locked to the locking portions provided on the divided top plate portions, respectively, and are stopped by the stoppers, so that the divided top plate is favorably supported. can do.

[0020] Further, in the invention according to claim 8, the stopper has a retaining portion movable to a restricting position and a non-restricting position for preventing the support member from slipping out of the locking portion, and the restricting portion restricts the retaining member. Urging means for urging the retaining portion and allowing the retaining portion to move to the non-regulated position by pressing the retaining portion, and an operating portion for moving the retaining portion to the non-restricting portion. It is provided. According to the configuration of claim 8, it is possible to fix the support member, cover the top plate with the support member so as to push the retaining portion to the non-regulated position, and lock the support member to the locking portion of the top plate. it can. By operating the operation unit, the support member can be removed from the locking unit.

Further, the invention according to claim 9 is characterized in that a positioning display portion for performing mutual alignment is provided on the divided top plate portion, and an operation portion of the stopper is disposed near a peripheral edge of the lower surface of the top plate.

According to the ninth aspect of the present invention, the divided display units are aligned with each other by the positioning display unit while the upper surface of the divided top unit is kept upward, and the positioning display unit is supported by the top plate. It can be used for alignment when assembling the member.

According to a tenth aspect of the present invention, the top plate is made of a synthetic resin, and a reinforcing pipe is provided on a lower surface of the top plate, and the reinforcing pipe is in contact with the leg rod in a cross direction.

According to the tenth aspect of the present invention, since the leg rod is provided on the reinforcing pipe, the load can be favorably supported, and even if a relatively wide top plate made of synthetic resin is used, its thickness is reduced. The required strength can be obtained while suppressing the thickness dimension.

[0025]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 to FIG. 23 show an embodiment of the present invention, and FIG. This is an example used for a device, and a table device has a top plate 1 and this top plate 1
And a leg 2 as a supporting member. The top plate 1 is a supported member of the leg 2. The back of the backrest 102 of the seat 101
The storage unit 3 is provided in the storage unit 103. In use, the leg 2 is mounted on the back surface 103 of the backrest 102 serving as a mounting unit. In storage, the leg 2 and the top plate 1 are connected to the storage unit. 3 The top plate 1 is a storage item stored in the storage section 3, and the leg 2 is also a storage item.

As shown in FIG. 2 and FIG.
Are configured so that the pair of leg rods 21 and 21A cross each other, and can be folded by being pivotally connected at a pivoting portion 22. The leg 21,
21A is formed by forming a metal round pipe P into a square frame shape. In the leg rods 21 and 21A having a long side and a short side, the short sides are pivotally connected by the pivot portion 22, and in use, one of the long sides becomes the upper leg 23, 23A, which is the upper part, and the other is the lower part. The lower legs are 24 and 24A. As shown in FIG. 4 to FIG. 6, a concave engaging portion which constitutes one of the concave and convex engaging portions is provided at the longitudinal center of the leg upper portions 23, 23A of the leg rods 21, 21A. The portion is a groove 26 provided around the connecting member 25. The connecting member
25 has an insertion portion 251 inserted into the round pipe P of the leg rods 21 and 21A at both ends, and a flange portion 252 abutting on the end face of the round pipe P integrally provided. The groove 26 is formed in the groove 26, and a convex engagement portion of the top plate 1 described later engages with the groove 26. In this example, the connecting member 25 is made of metal, and is welded to the round pipe P. The one leg 21 is formed smaller than the other leg 21A. In the folded state shown in FIG. 1, the leg 21 is housed in the leg 21A, and the legs 21 and 21A are in the same plane. It is configured to form a shape.

The storage section 3 is provided with a storage plane 30 along which the legs 2 folded flatly are arranged. The storage plane 30 is a bottom surface of the storage section, and a backrest 102 is provided on the lower side of the backrest. Is provided with a connection fitting 31 serving as a connection part,
The lower leg 24 of the one leg 21 is rotatably connected to 31. On the upper side of the backrest, as shown in FIG. 8, use locking fittings 32A, 32, 32A serving as use locking portions are provided, and these use locking fittings 32, 32A are attached to the lower legs 24 of the other leg rod 21A.
A is detachably locked. In addition, the above-mentioned locking fitting 32,
32A has an insertion portion 321 opening toward the connection fitting 31 side. On both sides of the center used locking fitting 32, the used locking fittings 32A, 32A are provided, and the center used locking fitting 32 has a stepped portion 322 having a slightly narrower tip side. When the lower leg portion 24 is inserted from the insertion portion 321, the stepping portion 3
After the elastic deformation of the 22 in the direction away from the storage plane 30, it returns and locks to the leg lower part 24, so that the retaining action is obtained. A storage locking portion 33 is provided on the upper side close to the used locking fitting 32, and the leg upper portion 23 of one leg 21 is detachably locked to the storage locking portion 33.

The seat 101 is provided on an automobile, and the backrest 102 has a variable inclination angle, and can be set to a horizontal position with the rear surface 103 facing upward as shown in FIGS. ing.

Therefore, as shown in FIG.
Fold down 102 so that its back 103 is facing upward, and store it flat
In order to use the leg 2 which is folded along 30, the leg upper portion 23 of one leg 21 is lifted off from the storage locking portion 33, and the leg upper portion 23 is connected to the connecting bracket. 31
To rotate upwards. By this rotation, the leg 2 is opened, that is, the interval between the leg upper part 23 and the leg lower part 24 is opened, and when the leg 2 is opened a little more than the use state, the leg lower part 24A of the other leg rod 21A becomes It comes to the connection fitting 31 side and contacts the base 311 of the connection fitting 31. From here, when one leg upper portion 23 is pushed down, the other leg lower portion 24A is locked from the insertion portion 321 into the used locking fitting 32. After the setting of the leg 2 is completed in this way, even if a load of the top plate 1 is applied to the upper part of the leg 2, the used locking fitting 32 has a structure having the insertion portion 321 opened to the connecting fitting 31 side. As a result, the lower leg portions 24 and 24A do not spread, resulting in a structure that is stable against load. still,
In a state where the lower leg portion 24A is locked by the used locking fitting 32, the upper leg portions 23 and 23A are at the same height position.

On the other hand, to fold the leg 2 shown in FIG.
Conversely, if the lower leg portion 24A of the other leg is removed from the used lock fitting 32 and the upper leg portion 23 is locked to the storage locking portion 33, the leg 21 is stored in the leg 21A. The body 2 can be along the storage plane 30.

Next, the structure of the top plate 1 and the support structure between the top plate 1 and the legs 2 will be described. The top plate 1 is composed of divided top plate portions 11 and 11A divided into two substantially at the center in the length direction, and these divided top plate portions 11 and 11A have substantially the same shape. Then, as shown in FIG.
1, 11A are stored along the storage portion 3 in a state where the lower surfaces 111, 111 are overlapped, and in this storage state,
One of the divided top plates 11 is on the outside, and the other divided top plate 11A is on the inside.

Locking pieces 12, 12, 12A, 12A serving as locking portions are provided on the lower surfaces 111, 111 of the divided top plates 11, 11A, respectively, as shown in FIGS. The locking pieces 12, 12 are provided corresponding to the upper part 23, and the locking pieces 12A, 12A are provided corresponding to the leg upper part 23A, and both the locking pieces 12, 12A are provided on one side of the top plate 1 in the width direction. It has insertion portions 121 and 121A, and the insertion portion 121A of the locking piece 12A is opened at a position near the edge of the divided top plate portions 11 and 11A.

As shown in FIGS. 11 to 13, a plurality of reinforcing ribs 13H and 13L in the width direction and the length direction are provided on the lower surfaces 111 and 111 of the divided top plate portions 11 and 11A in a lattice shape. I have. Further, the lower surfaces 111, 111 of the divided top plate portions 11, 11A.
Is provided with a reinforcing pipe frame 14 made of metal, and the reinforcing pipe frame 14 serving as a reinforcing pipe has a substantially rectangular outer frame rod 141.
And a connecting rod 142 in the length direction provided in the outer frame rod 141. The fixing plate 143 is provided on the lower surface side of the outer frame rod 141 and the connecting rod 142.
And split both sides of this fixed plate 143 with screws 144
A boss 145 to which the screw 144 is screwed is formed on each of the divided top plates 11 and 11A.

The insertion portions 121, 1 of the locking pieces 12, 12A are also provided.
As shown in FIG. 12 and the like corresponding to 21A, guide reinforcing ribs 131 are provided on the lower surfaces 111, 111 of the divided top plates 11, 11A. And a slanted edge 132 inclined from lower surfaces 111, 111 of the portions 11, 11A toward the insertion portions 121, 121A.
The lower edge 133 is substantially parallel to the lower surface 111. The height of the lower edge 133 is substantially the same as the lower surface of the reinforcing pipe frame 14. Therefore, as shown in FIG.
The upper leg 23, 23A is locked to 12A and the top plate 1 is
The upper leg 23, 23A is supported by the reinforcement pipe frame 14 and the lower edge.
Since it is attached to 133, load support can be performed well. With such a configuration, the relatively wide top plate 1 is provided.
, For example, made of a synthetic resin or the like, it is possible to obtain the required strength while suppressing the wall thickness.

Further, the lower surfaces 111, 1 of the divided top plate portions 11, 11A.
As shown in FIG. 2, FIG. 3, FIG. 11, FIG. 13 and FIG. 14, a stopper 15 is provided on the leg 11 to prevent the leg upper portion 23A locked on the locking piece 12A from coming off. The stopper 15 is provided on the rotation center shaft 151 in the width direction of the top plate 1, an operation portion 152 in the cross direction formed by bending one end of the rotation center shaft 151, and the other end of the rotation center shaft 151. A driven portion 153 having a substantially L-shape in a plane, and a crossing portion 153A provided at the tip of the driven portion 153 and crossing the leg upper portion 23A in a crossing direction.
A retaining portion 154 provided at the tip of the crossing portion 153A is provided, and the rotation center shaft 151 is attached to the lower surfaces 111, 111 of the divided top plate portions 11, 11A by an attachment body 156 having bearing portions 155, 155.
The retaining portion 154 is rotatably supported in a state in which movement in the longitudinal direction is restricted, and the retaining portion 154 is divided by a resilient device such as a coil spring 157 as biasing means mounted on the rotation center shaft 151. Energizing in a direction away from the lower surfaces 111, 111 of the portions 11, 11A, an angle restricting portion 158 is projected from the rotation center shaft 151,
At a position where the angle regulating portion 158 contacts the mounting body 156,
The retaining portion 154 is in a restricting position corresponding to the height of the leg upper portion 23A locked to the locking piece 12A, and
A is prevented from slipping out, while the retaining portion 154 is
Assuming the non-restricted position rotated by a predetermined angle toward the
The upper leg portion 23A can be removed from the lower leg. Operation unit
An elastic cap 159 such as a synthetic resin is provided on each of the 152 and the intersection 153A. With this configuration, the upper portion 23A of the leg rod 21A is brought into contact with the crossing portion 153A, and the crossing portion 153A is pushed toward the lower surface 111.
1A is opened, and the upper leg portion 23A can be locked to the locking portion 12A while sliding on the crossing portion 153A and the guide reinforcing rib 131. Then, when the leg upper portion 23A is locked to the locking portion 12A, the retaining portion 154 is returned to the insertion portion 121A position by the coil spring 157, and the leg upper portion 23A does not come off from the locking portion 12A.
On the other hand, if the operation unit 152 is pushed toward the lower surface 111, the retaining portion 154 also moves toward the lower surface 111, and the locking portion 12A moves from the upper leg portion 23A.
Can be removed. The retaining portion 154 is located between the locking portions 12A. In addition, divided top plate parts 11, 11
A is set so that the top plate 1 is shifted in the longitudinal direction so that the stoppers 15 and the locking portions 23 and 23A do not interfere with each other in a state where the lower surface 111 side is overlapped.

As shown in FIGS. 2 and 3, butting walls 16, 16 serving as convex engaging portions are formed at the abutting portions of the divided top plates 11, 11 A, respectively. 16 around the top plate 11 and 11A
Is formed. The butted walls 16, 16 of the two divided top plates 11, 11A are convex engaging portions and engage with the grooves 26.

As shown in FIG. 11 and FIG. 14, on the upper surfaces of the divided top plates 11 and 11A,
Positioning display sections 17 and 17 are provided, respectively.
A can be positioned. Further, the positioning display portion 17 corresponds to the position of the intersection 153A of the stopper 15.

Therefore, as described above, when the leg 2 is set in the storage portion 3 in the used state and the divided top plates 11 and 11A are mounted on the leg 2, the leg upper portions 23 and 23A must be locked. 1
Divided top plate 11, 11A so that it comes to the insertion part 121 side of 2, 12A.
Is put on the leg 2. In this case, since the divided display portions 11 and 11A are provided with the positioning display portions 17, the leg upper portions 23A can be aligned using this as a guide. Also,
In the groove 26 of the leg 2, the butted wall 1 of the divided top plate 11, 11A
Match the sides 162,162 of 6,16. If the upper portion 23A of the leg is aligned and the divided top plates 11 and 11A are slightly pushed downward, the stopper 154 of the stopper 15 will be
After moving to the 11 side, the leg tops 23, 23A can be locked to the locking portions 12, 12A by sliding the divided top plates 11, 11A in the width direction. Note that, instead of pushing the crossing portion 153A of the stopper 15 with the leg upper portion 23A, the operation portion 152 may be manually operated so that the retaining portion 154 follows the lower surface 111. The butted walls 16, 16 of the divided top plates 11, 11 A are fitted into the grooves 26 of the leg 2. In the structure supporting the top plate 1 in this manner, the widthwise positions of the leg upper portions 23, 23A of the leg 2 with respect to the top plate 1 are regulated by the locking portions 12, 12A and the stopper 15, and The upper part of the leg
The longitudinal position of 23 and 23A is regulated, and a stable support structure is obtained. On the other hand, when removing the top 1, the user operates the operation unit 152 near the edge of the lower surface 111, and this operation can be performed by holding the edge by hand and holding the operation unit 152. If the user grips the top plates 11 and 11A and slides them in the opposite direction, the upper leg portions 23 and 23A can be removed from the locking portions 12 and 12A. Therefore, there is no need to operate the top plate 1 upside down or look down from below. In particular, this embodiment has a structure suitable for handling a relatively wide top plate 1.

Next, a seat back storage device provided on the back surface 103 of the backrest 102 will be described. As shown in FIG. 1, the backrest 102 has a frame 104 as a frame inside.
With the backrest 102 upright, the frame 104
An upper and lower fixing bracket 51 is fixed to the upper and lower cross sections 104U and 104D by fixing means 52 on the upper and lower sides, and the fixing brackets 51 and 51 are provided on the left and right. As shown in FIGS. 18 and 19, the fixing means 52 includes a through hole 105 of the upper and lower crosspieces 104U and 104D, a suspension nut 521 mounted in the through hole 105, and an upper and lower part of the fixing bracket 51. It consists of a fixed through hole 511 provided and a bolt 522 with washer,
As shown in FIG. 19, a bolt 522 is inserted into the fixing through-hole 511, and the bolt 522 is screwed into a female screw hole of the suspension nut 521, thereby fixing the fixing bracket 51.
The back surfaces of the fixing brackets 51, 51 are formed flat, and a seat back cover 106 serving as a back cover body is attached to the back opening 107 of the backrest 102 from outside the fixing brackets 51, 51. The seat back cover 106 is made of a synthetic resin or the like, and is provided on the backrest 102 in advance from the factory.

An upper bracket 53 is provided on an outer surface of the seat back cover 106, and the upper bracket 53 has a base body 54. A through hole 541 is provided in the base body 54, and a through hole 106K is formed in the seat back cover 106 corresponding to the through hole 541 as shown in FIG.
In order to fix the base body 54, a female screw hole 512 is provided at the upper part of the fixing bracket 51, and as shown in FIG.
The base body 54 is fixed to the fixing bracket 51 by being inserted into the K and screwed into the female screw hole 512. As shown in FIGS. 7 and 8, the base body 54 includes
The use locking fitting 32 and the storage locking portion 33 are provided integrally. Further, a step portion 542 is provided above the base body 54, a contact surface 543 is provided at the center of the step portion 542, and a rotation stopper 55 serving as a locking means is provided on the upper base portion 544 above the step portion 542. Has been. And this rotation stopper
55 is an upper stopper. In addition, the storage locking portion 33 and the step portion
The lower leg 24A and the upper leg 23 are housed side by side with the 542. The rotation stopper 55 fixes a fixed base 551 to the upper base part 544, and the fixed base 551 is provided with a fixed cylindrical part 552, and the fixed cylindrical part 552 is provided with a cylindrical part 554 of a rotation lock 553. It is rotatably inserted, a screw 555 serving as a center of rotation is inserted into the cylindrical portion 554, and the screw 555 is screwed to the upper base portion 544.
Is inserted into the hole 544K of the upper base portion 544. A knob 556 is provided on the outer surface of the rotation lock 553 in a direction crossing the screw 555, and one side 556M of the knob 556 is positioned at one side 551M of the fixed base 551 at the unlocked position.
When is rotated approximately 90 degrees, the lock position is reached. As shown in FIGS. 7 and 9, an arc groove 557 centering on a screw 555 is formed on the upper surface of the fixing table 551, and an engagement protrusion 558 that moves along the arc groove 557 is attached to the rotation lock 553. And a positioning recess 558A provided at the lower end of the engaging projection 558. The positioning projections 557R and 557F, which the positioning recess 558A engages and disengages stepwise, correspond to the lock position and the unlock position. Provided.

A support bracket 61 is provided below the outer surface of the seat back cover 106. The support bracket 61 has a base body 62. A through hole 611 is provided in the base body 62, and corresponding to the through hole 611, as shown in FIG.
A through hole 311 is provided in the connection fitting 31, and a through hole 106K is formed in the seat back cover 106 as shown in FIG. Also, in order to fix the base body 62,
A female screw hole 512 is provided at a lower portion of the fixing bracket 51,
As shown in FIG. 21, a bolt 513 with a washer is inserted into the through holes 611 and 106K and screwed into the female screw hole 512, so that the fixing bracket 51 and the base body 62 and the connecting metal
Thus, the connecting fitting 31 is integrally provided on the outer surface of the base body 62. The bolts 513 are screw means for fixing the upper bracket 53 and the support bracket 63 to the fixing bracket 51. Further, a step 622 is provided above the base body 62, and this step 6
A substantially U-shaped support portion 63 is provided at a lower portion of the support 22, and a tip portion 631 of the support portion 63 is upward and slightly outward.
Note that the leg upper portion 23A is located between the connection fitting 31 and the step portion 622.
Is stored.

Referring to FIGS. 15 to 21, the fixing bracket 51, the upper bracket 53, and the support bracket 61 will be described.
A method of mounting the storage device including the above will be described. First, lower the backrest 102 to make it easier to work,
Is upward. Then, from the backrest 102 before the storage device is attached, the seatback cover 10 on the back surface 103 is provided.
Perform work to remove 6. In this example, as shown in FIG. 15, the seat back cover 106 is fixed to the back surface 103 by a grommet 108, and the seat back cover 106 can be removed by removing the grommet 108. Then, when the seat back cover 106 covering the back opening 107 is removed, the upper and lower rails 104U and 104D of the frame frame 104 are exposed to the outside. As shown in FIG. 16, the through hole 106K is formed in the removed seat back cover 106 by an electric drill 41. Further, a plurality of upper through holes 106G are formed in the upper portion of the seat back cover 106, and a rubber grommet 109 is attached to the upper through hole 106G as shown in FIG. Note that the rubber grommet 109 has the seat back cover 106
When it is mounted on the rear panel 103, the upper part of the seat back cover 106 is locked to the rear panel 103 without any gap, by being locked to the rear panel 103 side. Then, as shown in FIG.
The suspension nut 521 is mounted at the position of the through hole 105 of the U and 104D, and the upper and lower sides of the fixing bracket 51 are fixed to the upper and lower cross sections 104U and 104D by bolts 522 as shown in FIG. The seat back cover 106 is put on the part 107. Thereafter, as shown in FIGS. 20 and 21, the upper bracket 53 and the support bracket 61 are fixed from above the seat back cover 106 by bolts 513. By fixing in this manner, the brackets 53, 61 are fixed to the frame 104, which is the skeleton of the backrest 102, via the fixing bracket 51, and thus have excellent strength against load. In addition, since the fixing bracket 51 is hidden by the seat back cover 106, the appearance design is not impaired.

Next, the structure of the top plate 1 to be stored on the back surface 103 of the backrest 102 by the storage device will be described, focusing on the points related to storage. As shown in FIGS.
A step portion 112 is formed around the upper surfaces of the divided top plate portions 11 and 11A, and a step surface 1 is formed between the step portion 112 and the peripheral edge.
A step 13 is formed, and the step 112 and the step surface 113 are provided except for the edge on the side of the butting wall 16. As shown in FIG. 1, the divided top plate portions 11 and 11A are provided with a butt wall portion 16 and a wall portion.
The lower ends of 16A, 16A are abutted to each other, and the abutting wall 16 is directed downward along the storage section 3. The lower part is supported by the support bracket 61, and the upper part is stored and fixed in the stopper state by the rotation stopper 55. As shown in FIG.
23, and the like, as shown in FIG.
An outer engaging recess 114 is formed in the step surface 113, and the rotation stopper 55 can be locked in the outer engaging recess 114. Further, a portion of the step surface 113 corresponding to the outer engagement recess 114 is formed in an arc-shaped step surface 113A. Further, as shown in FIG. 14 and the like, the upper step 542 of the step 542 of the base body 54 is provided on the step surface 113 of the divided top plate 11A on the inside.
A is formed, and the inner engaging recess 115 has substantially the same width as the upper step 542A. By engaging the outer engaging recess 115 with the upper step 542A, The horizontal position of the divided top plate portion 11A at the time is regulated, and the step surface 113 at the position of the inner engagement concave portion 115 contacts the contact surface 543 of the upper bracket 53.

As shown in FIGS. 1 and 11 and the like, an opening 161 is partially provided in the butting wall portion 16 of the divided top plate 11 on the outside corresponding to the support bracket 61. Corresponding to 161, a bracket 116 serving as a bracket locking portion is provided on the lower surface 111 of the divided top plate portion 11, and the distal end 631 of the support bracket 61 is locked to the bracket 116.

Therefore, after the legs 2 are stored in the storage portion 3, the divided top plates 11 and 11A are superimposed, and in this superimposed state, as shown in FIG. The mutual wall portions 16 and 16A are abutted, and these abutted wall portions 1
6, 16A and their upper surfaces form a box having a substantially closed cross section. Then, as shown in FIGS. 1 and 22, the butting wall portion 16 of the inner divided top plate portion 11A is locked so as to be placed on the support bracket 61, and the metal fittings 116 of the outer divided top plate portion 11 are engaged. On the tip 631 of the support bracket 61,
Further, the upper portions of the divided top plates 11 and 11A are shown in FIGS.
As shown in (5), the rotation lock 553 of the rotation stopper 55 is rotated and locked in the outer engagement recess 114, so that the lock in the retaining state is achieved. In this case, as shown in FIG.
The outer engagement recess 114, the walls 16A, 16A and the inner engagement recess 115
Since the lower ends of the wall portions 16A, 16A abut each other to form a substantially U-shaped closed cross section, the strength is improved as compared with the case where they are simply overlapped. Since the 553 is locked, the divided top plates 11 and 11A can be reliably pressed by the rotation lock 553. In addition, since the engaging recesses 114 and 115 are provided with step surfaces 113A and 113 having a U-shaped cross section continuously, the rotation locking
The portion where the 553 is locked becomes more excellent in strength.

As described above, in the present embodiment, according to the first aspect, in the top plate supporting structure including the top plate 1 and the legs 2 serving as support members detachably provided below the top plate 1. ,
The top plate 1 is provided with locking pieces 12 and 12A serving as locking portions for locking the leg 2, and the groove 2 serving as a concave engagement portion is provided in the leg 2 and the leg 2 which is one of the top plate 1. The other top plate 1 is provided with a butting wall portion 16 which is a convex engagement portion that engages with the groove portion 26 and regulates the longitudinal position of the leg 2.
When the leg upper portions 23, 23A of the leg 2 are locked to the 12A from the width direction, the leg 2 can be connected to the top plate 1 in a state in which the position in the length direction is regulated by the concave / convex engagement portion. 1 and leg 2
Can be easily assembled.

As described above, according to the present embodiment, claim 2
Corresponding to the above, the locking pieces 12, 12A as the locking portions are inserted into the insertion portions 121, 121A for inserting the leg upper portions 23, 23A of the leg 2 as the support member.
And the upper leg portion 23 of the leg 2 from the insertion portion 121, 121A.
Since the stopper 15 for preventing the A from coming off is provided, if the leg upper portion 23A is locked from the insertion portion 121A to the locking piece 12A, the stopper 15 does not remove the leg upper portion 23A from the top plate 1.

According to a third aspect of the present invention, the supporting member comprises a pair of leg rods 21 and 21A, and locking pieces 12 and 12A are provided corresponding to the leg rods 21 and 21A. Each of the locking pieces 12, 12A has an insertion portion 121, 121A that opens in one side direction intersecting with the length direction, and this insertion portion 12A
A stopper 15 is provided to prevent the leg rod 21A from slipping out of the shaft. Since the locking pieces 12, 12A have the insertion portions 121, 121A opened in the same direction,
By moving the top 1 in the other direction, the pair of legs
21 and 21A are locked from the insertion portions 121 and 121A to the locking pieces 12 and 12A, and the stopper 15 can prevent the slippage. As described above, there is no need to move the legs 21, 21A, and the work can be performed simply by holding only the top plate 1, which is convenient when the large top plate 1 is used.

As described above, in the present embodiment, claim 4
And a pair of leg rods 21 and 21A pivotally connected in a crossed state and configured to be foldable. Locking pieces 12 and 12A as locking portions corresponding to the leg rods 21 and 21A are respectively provided. The locking pieces 12 and 12A have insertion portions 121 and 121A that open in one side direction intersecting with the length direction, respectively.
A stopper 15 is provided to prevent the leg 21A from slipping out of A. Since the locking pieces 12, 12A have insertion portions 121, 121A opened in the same direction, By moving the top plate 1 in the other direction, the pair of leg rods 21 and 21A is locked from the insertion portions 121 and 121A to the locking pieces 12 and 12A, and the stopper 15 prevents the stopper 15 from coming off. As described above, there is no need to move the legs 21, 21A, and the work can be performed simply by holding only the top plate 1, which is convenient when the large top plate 1 is used. Further, since the legs 21 and 21A pivotally mounted in the crossed state are used, it is not necessary to provide stoppers on the locking pieces 12 and 12A on both sides, respectively, and the insertion portions 121 and 121A are not required.
Are stoppers 15 corresponding to the locking pieces 12A on the edge side of the top plate 1.
Is provided, the upper leg portions 23, 23A of the leg bars do not come off from the locking pieces 12, 12A in use.

As described above, in the present embodiment, claim 5
In response to the above, the top plate 1 is composed of divided top plate portions 11 and 11A assembled with each other, and the convex engagement portion is formed of a divided top plate portion.
The wall 16 is provided at the abutting portion of the support 11 and 11A. The wall 16 at the abutting portion of the divided top plates 11 and 11A is engaged with the groove 26 which is a concave engaging portion of the support member. Are positioned in the longitudinal direction.

As described above, in the present embodiment, claim 6
In response to the above, the top plate 1 is composed of divided top plate portions 11 and 11A assembled with each other, and the convex engagement portion is formed of a divided top plate portion.
A wall portion 16 is provided at the abutting portion of 11, 11A. The wall portion 16 is provided on each of the divided top plate portions 11, 11A, and the abutting wall portions 16, 16 are fitted into the groove portions 26. The two wall portions 16, 16 at the abutting portion of the divided top plate portions 11, 11A are engaged with the groove portions 26 of the support member, and the support member is positioned in the length direction. Also, since both the wall portions 16 and 16 fit into the groove portions 26,
Opening of the abutting portion between the two divided plate portions 11, 11A provided with the both wall portions 16, 16 is prevented.

Further, as described above, in the present embodiment, the top plate 1 is composed of the divided top plates 11 and 11A which are assembled by abutting each other. The wall portions 16, 16 provided at the abutting portions of the plate portions 11, 11A,
Locking pieces 12 and 12 serving as locking portions respectively on the divided top plates 11 and 11A.
A and a stopper 15 are provided.
Since the support members are locked to the locking pieces provided on the respective 11A and are respectively prevented from coming off by the stoppers 15, the divided top plate 1 can be favorably supported.

Further, the invention of claim 8 is characterized in that the stopper 15
Are retaining portions movable to a restricted position and a non-restricted position for preventing the support member from coming off from the retaining piece 12A serving as the retaining portion.
A coil spring 157 serving as an urging means for urging the retaining portion 154 toward the regulating portion and pressing the retaining portion 154 toward the non-regulating position by pressing the retaining portion 154; And an operating portion 152 for moving the retaining portion 154 to the non-restricting portion, and the leg 2 serving as a support member.
Is fixed, and the top plate 1 is covered so that the retaining portion 154 is pushed to the non-restricted position by the leg upper portion 23A of the leg.
A can lock the leg upper part 23A. Operation unit
By operating 152, the upper leg 23A of the leg 2 is moved from the locking piece 12A.
Can be removed.

As described above, in the present embodiment, the positioning display section 17 for performing mutual positioning is provided on the divided top plates 11 and 11A, and the operating section 15 of the stopper 15 is provided.
2 is arranged in the vicinity of the peripheral edge of the lower surface of the top 1, and the divided display 11, 11 A is aligned with the divided display 11, 11 A by the positioning display 17 while the upper surfaces of the divided tops 11, 11 A are on the upper side.
Further, the positioning display 17 can be used for positioning when assembling the top plate 1 and the support member.

Moreover, in this embodiment, the top plate 1 is made of a synthetic resin, and a reinforcing pipe frame 14 serving as a reinforcing pipe is provided on the lower surface of the top plate 1 according to the tenth aspect. The pipe frame 14 is in contact with the leg rods 21 and 21A in the cross direction. Since the leg rods 21 and 21A are provided on the reinforcing pipe frame 14, the load can be favorably supported, and a relatively wide synthetic resin is used. Even when the top plate 1 is used, the required strength can be obtained while suppressing the wall thickness.

It should be noted that the present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention. For example, the support member is not limited to the substantially X-shaped leg of the embodiment, and various types can be used, and the support member may not be foldable. Further, a convex engaging portion may be provided on the support member side, and a concave engaging portion engaging with the convex engaging portion may be provided on the lower surface of the top plate. Further, various types of stoppers 15 can be used. In the embodiment, the top plate is divided into two parts. However, the top plate may be divided into three or more parts, and the form of division may be appropriately selected.

[0057]

According to the first aspect of the present invention, in a top plate support structure including a top plate and a support member detachably provided below the top plate, the locking portion for locking the support member is provided. A convex engaging portion that is provided on the top plate and has a concave engaging portion provided on one of the support member and the top plate, and the other is engaged with the concave engaging portion and regulates a longitudinal position of the supporting member. This makes it easy to set the top plate and the leg portions, and also regulates the longitudinal position of the support member to provide a top plate support structure with excellent stability.

Further, according to the invention of claim 2, the locking portion is
It has an insertion portion for inserting the support member, and is provided with a stopper for preventing the support member from slipping out of the insertion portion. The setting of the top plate and the leg is easy, and the length of the support member is long. It is possible to provide a top plate support structure having excellent stability by regulating the direction position.

According to a third aspect of the present invention, the support member comprises a pair of leg rods, and the locking portions are provided corresponding to the leg rods, and the locking portions are respectively provided in the length direction. It has an insertion portion that opens in one direction intersecting with the stopper, and a stopper that prevents the leg rod from coming out of the insertion portion is provided, so that the top plate and the leg portion can be easily set,
The top plate supporting structure having excellent stability can be provided by regulating the position in the longitudinal direction of the supporting member.

According to a fourth aspect of the present invention, the support member is a pair of leg rods pivotally connected in an intersecting state and configured to be foldable, and the locking portions correspond to the leg rods respectively. These locking portions have an insertion portion that opens in one side direction that intersects the length direction, and this insertion portion prevents the leg rod from coming out of the insertion portion of the locking portion on the top plate edge side. The top plate and the legs are easily set, and the position of the support member in the longitudinal direction can be regulated to provide a top plate support structure with excellent stability.

According to a fifth aspect of the present invention, the top plate is formed of a divided top plate portion which is assembled by abutting each other, and the convex engagement portion is provided at a position where the divided top plate portion is abutted. This makes it easy to set the top plate and the legs, and also regulates the longitudinal position of the support member, thereby providing a top plate support structure with excellent stability.

According to a sixth aspect of the present invention, the top plate is composed of a divided top plate portion which is assembled by abutting each other, and wherein the convex engagement portion is provided at a position where the divided top plate portion abuts. Parts, each of which is provided on the divided top plate part,
These butted wall portions are fitted into the concave engagement portions, so that the top plate and the leg portions can be easily set, and the length of the support member is also restricted in the longitudinal direction, so that the top plate has excellent stability. A support structure can be provided.

Further, the invention according to claim 7 is characterized in that the top plate is
It consists of divided top plates that are assembled with each other,
The projection engaging portion is a wall portion provided at a butt portion of the divided top plate portion, and the locking portion and the stopper are provided on the divided top plate portion, respectively. It is possible to provide a top plate support structure which is easy to set the leg and the leg portion, regulates the longitudinal position of the support member, and has excellent stability.

Further, according to an eighth aspect of the present invention, there is provided the stopper, wherein the stopper is movable to a restricting position and a non-restricting position for preventing the support member from slipping out of the locking portion, and the stopper is formed by the restricting portion. Urging means for urging the retaining portion and allowing the retaining portion to move to the non-regulated position by pressing the retaining portion, and an operating portion for moving the retaining portion to the non-restricting portion. The top plate and the leg portions can be easily set, and the position of the support member in the longitudinal direction can be regulated to provide a top plate support structure with excellent stability. Further, the invention according to claim 9 is characterized in that a positioning display portion for performing mutual alignment is provided on the divided top plate portion, and an operation portion of the stopper is disposed near a peripheral edge of the lower surface of the top plate. The top plate supporting structure which is easy to set with the leg portion, regulates the longitudinal position of the supporting member, and has excellent stability can be provided.

Further, in the invention according to claim 10, the top plate is made of synthetic resin, and a reinforcing pipe is provided on a lower surface of the top plate, and the reinforcing pipe is in contact with the leg rod in a cross direction. It is easy to set the plate and the leg, and it is possible to provide a top plate supporting structure that is excellent in stability by regulating the longitudinal position of the supporting member.

[Brief description of the drawings]

FIG. 1 is an overall sectional view showing a stored state according to an embodiment of the present invention.

FIG. 2 is an overall cross-sectional view of the same in use.

FIG. 3 is an overall sectional view of a usage state before the top plate is assembled.

FIG. 4 is an overall cross-sectional view of a use state showing a cross section in the length direction of the top plate according to the first embodiment.

FIG. 5 is a plan view of the leg in the folded state according to the first embodiment;

FIG. 6 is a sectional view of a main part of the leg rod according to the first embodiment;

FIG. 7 is a cross-sectional view of the upper bracket.

FIG. 8 is a perspective view of the upper bracket.

FIG. 9 is an exploded perspective view of the fixed base of the rotation stopper and the rotation lock.

FIG. 10 is an overall explanatory diagram of a use state according to the embodiment.

FIG. 11 is a bottom view of one of the disassembled top plates.

FIG. 12 is a cross-sectional view of one of the disassembled top plates.

FIG. 13 is a plan view of a main part of one of the disassembled top plates.

FIG. 14 is a plan view of the other divided top plate according to the first embodiment;

FIG. 15 is a perspective view illustrating an operation of removing the seat back cover.

FIG. 16 is a perspective view illustrating an operation of forming a through hole in the seat back cover.

FIG. 17 is a perspective view illustrating an operation of attaching the grommet to the seat back cover.

FIG. 18 is a perspective view illustrating an operation of attaching a suspension nut to the frame according to the first embodiment.

FIG. 19 is a perspective view illustrating an operation of attaching the fixing bracket.

FIG. 20 is a perspective view for explaining the operation of attaching the upper bracket.

FIG. 21 is a perspective view for explaining the operation of attaching the support bracket and the connection fitting.

FIG. 22 is a perspective view for explaining a storing operation of the divided top plate part.

FIG. 23 is a perspective view illustrating a locking operation using a rotation stopper according to the third embodiment.

[Explanation of symbols]

1 Top plate 11, 11A Split top plate 14 Reinforcement pipe frame (reinforcement pipe) 2 legs (supporting members) 14 Reinforcement pipe frame (reinforcement pipe) 16 Butt wall (convex engagement part) 17 Positioning display 12,12A Locking piece (locking part) 121, 121A insertion part 15 Stopper 152 Operation unit 154 Retaining part 157 Coil spring (biasing means) 21 One leg 21A The other leg 26 Groove (concave engagement part)

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-10-165229 (JP, A) JP-A-11-244056 (JP, A) Fully open Showa 60-42128 (JP, U) Really open 118036 (JP, U) Actually open 1987-148066 (JP, U) Actually open 60-69038 (JP, U) Actually open 7-25834 (JP, U) Actually open 60-179535 (JP, U) J. 32-6347 (JP, Y1) Patent 2945665 (JP, B2) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47C 1/00-31/12 B60N 2/00-2/54 A47B 1/00-41/06

Claims (10)

(57) [Claims] In a top plate support structure comprising a top plate and a support member detachably provided below the top plate, a locking portion for locking the support member is provided on the top plate, A concave engaging portion is provided on one of the member and the top plate, and a convex engaging portion for engaging the concave engaging portion and regulating a longitudinal position of the support member is provided on the other. Top plate support structure. 2. The device according to claim 1, wherein the locking portion has an insertion portion for inserting the support member, and a stopper for preventing the support member from coming out of the insertion portion is provided. Top plate support structure. 3. The support member comprises a pair of leg bars, and the locking portions are provided corresponding to the leg bars, respectively.
2. The locking device according to claim 1, wherein each of the locking portions has an insertion portion that opens in one side direction intersecting with the length direction, and a stopper that prevents the leg rod from coming out of the insertion portion is provided. The top plate support structure as described. 4. The support member is a pair of leg rods pivotally connected in a crossed state and configured to be foldable, and the locking portions are provided corresponding to the leg rods, respectively. An insertion portion that opens in one side direction intersecting the length direction, and the insertion portion has a stopper that prevents the leg rod from coming off from the insertion portion of the locking portion on the edge of the top plate. The top plate support structure according to claim 1, wherein: 5. The top plate comprises a divided top plate portion which is assembled by abutting each other, and wherein the convex engagement portion is a wall provided at a position where the divided top plate portion abuts. The top plate support structure according to any one of claims 1 to 4. 6. The top plate is composed of a divided top plate that is assembled by abutting each other, and the convex engagement portion is a wall provided at a position where the divided top plate abuts. 5 is provided on each of the divided top plate portions, and the butted wall portions are fitted into the concave engagement portions.
The top plate support structure according to any one of the above. 7. The top plate is composed of a divided top plate that is assembled by abutting each other, wherein the convex engagement portion is a wall provided at a location where the divided top plate abuts, and The top plate support structure according to claim 2, wherein the locking portion and the stopper are provided on a plate portion, respectively. 8. The stopper, wherein the stopper is movable to a restricting position and a non-restricting position for preventing the support member from coming out of the engaging portion, and the stopper is urged toward the restricting portion. 2. An urging means for allowing the retaining portion to move to the non-restricted position by pressing the retaining portion, and an operating portion for moving the retaining portion to the non-restricting portion. , 3, 4 or 7. 9. The divided top plate portion is provided with a positioning display portion for performing mutual alignment, and an operation portion of the stopper is disposed near a peripheral edge of a lower surface of the top plate. Top plate support structure. 10. The top plate is made of a synthetic resin, and a reinforcing pipe is provided on a lower surface of the top plate, and the reinforcing pipe is in contact with the leg rod in a cross direction.
The top plate support structure as described.