JP2017109007A - Fitting structure of extension top board, furniture with top board including the same, and fitting method of extension top board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fitting structure of an extension top board configured to easily and quickly fit the extension top board, even when it is impossible to secure a sufficient working space for fitting the extension top board to a lateral side of the top board.SOLUTION: The fitting structure of the extension top board includes: a headed pin 12 provided at a lower face of an extension top board 11; a support bracket 7 that is provided on a lower face of a top board 2 such that a part thereof is retractably advanced laterally from a side end of the top board 2, that can support the extension top board 11 by the part advancing laterally from the side end of the top board 2, and that includes a keyhole-shaped engagement hole 8 to be engaged with the headed pin 12, at the part advancing laterally outward from the side end of the top board 2; and a fixing screw 13 for fixing the support bracket 7 to the top board 2, with the support bracket 7 drawn inward from the top board 2.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a mounting structure for an extended top plate to which an extended top plate is detachably attached to a side end of the top plate in a top plate-mounted fixture provided with a top plate on a support, and a fixture with a top plate provided with the same, and The present invention relates to a method for attaching an extension top plate.

  In order to secure a wider working plane or to close the gap between the indoor side wall and the top plate, such as a conventional tabletop fixture such as a desk, a table, a desk, etc. An extension top plate may be attached (for example, refer to Patent Documents 1 and 2).

JP 2008-119413 A JP 2014-090921 A

  However, according to the conventional means for attaching the extended top plate as described above, for example, as in Patent Document 1 (particularly, refer to FIG. 8), the lower surface of the extended top plate is projected outward from below the top plate. Since the tip of the auxiliary stay is screwed, there must be enough space for the installation work on the side of the top plate to which the extension top plate is to be attached, especially below the extension top plate to be installed. For example, if there is only a narrow gap between the side edge of the top plate of the fixture with a top plate and the side wall of the room, and if an extension top plate is to be installed there, ensure a sufficient working space. May not be possible, and attachment work may be substantially impossible.

  The present invention has been made in view of the above-described problems of the prior art, and even when it is not possible to secure a sufficient working space for mounting the expansion top plate on the side of the top plate. An object of the present invention is to provide an extended top plate mounting structure that allows an extended top plate to be mounted easily and quickly, a fixture with a top plate provided with the same, and a method for mounting the extended top plate.

According to the present invention, the above problem is solved as follows.
(1) In an extension top panel mounting structure in which an extension top panel is detachably attached to a side edge of the top panel in a fixture with a top panel provided with a top panel on a support, provided on the lower surface of the extension top panel The extended top plate is formed by an engaging portion and a part of the lower surface of the top plate that can be moved forward and backward outward from the side end of the top plate, and a portion that extends outward from the side end of the top plate. A support bracket provided with an engaged portion that can engage with the engaging portion at a portion that can be extended outward from a side end of the top plate, and the extended top plate. A fixing means for fixing the support bracket to the top plate in a state of being brought into contact with a side end of the top plate and pulling the support bracket toward the inside of the top plate is provided.

  According to such a configuration, after a part of the support bracket is advanced outward from the side edge of the top plate, the extended top plate is disposed thereon, and the engaging portion provided on the lower surface thereof is engaged with the support bracket. Place the support bracket on the top plate in a state where the extended top plate is brought into contact with the side edge of the top plate and the support bracket is pulled inward of the top plate. Even if it is not possible to secure a sufficient working space for attaching the extension top plate to the side of the top plate by fixing with the fixing means, the extension top plate can be attached easily and quickly.

(2) In the above item (1), the engaging portion is a headed pin having a shaft portion protruding from the lower surface of the extended top plate and having an enlarged head at the lower end of the shaft portion, and the engaged portion A large-diameter hole through which the enlarged head of the headed pin is allowed to pass, and an outer portion thereof, the shaft portion of the headed pin can be inserted, The engaging hole has a narrow hole that cannot be inserted.

  According to such a configuration, the extension head is protruded from the side end of the top plate by inserting the enlarged head of the headed pin through the large diameter hole of the engagement hole in the support bracket. Then, the shaft portion of the headed pin is engaged with the narrow hole of the engaging hole, and the enlarged head of the headed pin is expanded by pulling the support bracket inward of the top plate. Engage with the edge of the narrow hole on the lower surface of the support bracket, and the extended top plate moves in any of the top, bottom, left and right, front and back directions with its inner end in contact with the outer end of the top plate As impossible, firmly fixed to the top plate.

(3) In the above (1) or (2), an insertion hole penetrating inward and outward is provided at the upper end of the support that supports the top plate in the fixture with a top plate, and the support bracket is inserted through the insertion hole. Thus, the support bracket is slidably mounted on the lower surface of the top plate.

  According to such a configuration, the support bracket can be easily supported on the lower surface of the top plate such that a part of the support bracket can advance and retreat outward from the side end of the top plate.

(4) A fixture with a top plate is provided with the mounting structure for an extended top plate according to any one of (1) to (3) above.

  According to such a configuration, the fixture with a top plate that can easily and quickly attach the extension top plate even when a sufficient working space for attaching the extension top plate cannot be secured to the side of the top plate. Can be provided.

(5) In a method of attaching an extended top plate to a side end of the top plate in a fixture with a top plate provided with a top plate on a support, the extended top plate is detachably attached to a lower surface of the top plate. Is provided so that it can advance and retreat outward from the side end of the top plate, and a part of the support bracket is provided with an engaged portion in a portion that can advance outward from the side end of the top plate. After advancing so as to protrude outward from the side end of the top plate, the extended top plate is engaged with the engaged portion with the engaging portion provided on the lower surface thereof, and the support bracket in the support bracket It is placed on the part that has advanced outward from the side edge of the top plate, and then the extended top plate is brought into contact with the side end of the top plate, and the support bracket is pulled inward of the top plate. In this state, the support bracket is fixed to the top plate with fixing means.

  According to such a method, even when it is not possible to secure a sufficient working space for attaching the extension top plate to the side of the top plate, the extension top plate can be easily and quickly attached.

(6) In the above item (5), the engaging portion is a headed pin having a shaft portion protruding from the lower surface of the extended top plate and having an enlarged head at the lower end of the shaft portion, and the engaged portion A large-diameter hole through which the enlarged head of the headed pin can be freely inserted and an outer portion thereof, and only the shaft portion of the headed pin can be inserted, and the enlarged head Is an engagement hole having a narrow hole that cannot be inserted, and by fitting the headed pin into the large diameter hole from above, the expansion top plate is placed on the support bracket, By pulling the support bracket toward the inside of the top plate, the shaft portion of the headed pin is engaged with the narrow hole, and the enlarged head of the headed pin is engaged with the lower surface of the support bracket. Thus, the headed pin is prevented from coming out above the support bracket.

  According to such a method, the shaft portion of the headed pin engages with the narrow hole of the engagement hole, and the enlarged head of the headed pin engages with the edge of the narrow hole on the lower surface of the support bracket. The extended top plate is firmly fixed to the top plate in such a manner that it cannot move in any of the top, bottom, left and right, and front and rear directions with its inner end in contact with the outer end of the top plate.

  According to the present invention, even when a sufficient working space for attaching the extension top plate cannot be secured to the side of the top plate, the extension top plate can be easily and quickly attached. It is possible to provide a plate mounting structure, a fixture with a top plate including the plate mounting method, and a method for mounting an extended top plate.

It is the perspective view which looked at 1st Embodiment of the fixture with a top plate provided with the attachment structure of the extended top plate of this invention from diagonally upward. Similarly, it is an exploded perspective view of the right side. Similarly, it is an enlarged vertical front view of a main part when the extension top plate is vertically cut along the center line of one support bracket when the extension top plate is attached between the top plate and the indoor wall. It is a longitudinal front view similar to FIG. 3 which shows the state in the middle of attaching an expansion top plate. It is the perspective view which looked at another usage pattern of 1st Embodiment of the fixture with a top plate of this invention from diagonally upward. FIG. 6 is an enlarged longitudinal sectional front view taken along line VI-VI in FIG. 5. It is a longitudinal front view similar to FIG. 3 in 2nd Embodiment of the fixture with a top plate provided with the attachment structure of the extended top plate of this invention.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of an extended top plate mounting structure according to the present invention and a fixture with a top plate provided therewith will be described below with reference to the drawings.
FIGS. 1-6 shows 1st Embodiment of the fixture with a top plate provided with the attachment structure of the expansion top plate of this invention.

As shown in FIG. 1, this tabletop fixture is a table 1.
The table 1 includes a top plate 2 having a square shape in plan view and a support body 3 that supports the top board 2. In this example, the support body 3 is provided with an adjuster 4 for unevenness adjustment at the front and rear ends of the lower end. The pair of left and right side legs 5 and 5 in the shape of a plate facing in the front-rear direction, and a horizontal reed (not shown) facing in the left-right direction connecting the both side legs 5 and 5 below the top plate 2.

  As shown in FIG. 2 and FIG. 3, a pair of front and rear insertion holes 6, 6 penetrating in the left-right direction are provided at the front and rear portions at the upper end of each side leg 5. A plate-like support bracket 7 facing in the direction is fitted so that a part thereof can move forward and backward from the side end of the top plate 2 and can slide in the left-right direction along the lower surface of the top plate 2.

  At the right end portion of the support bracket 7 which can extend outward from the side end of the top plate 2, a trapezoidal engagement hole comprising a large-diameter hole 8 a and a narrow hole 8 b provided continuously to the right end portion. 8 is provided.

A screw insertion hole 9 is provided at the left end of the support bracket 7 located inside the side leg 5 so as to face in the vertical direction.
In addition, an operating portion that is a downward bent piece 7a is provided at the left end of the support bracket 7, and is gripped so that the support bracket 7 can easily move forward and backward along the lower surface of the top plate 2. It is.

  The extended top plate 11 for closing the gap S between the side end of the top plate 2 and the side wall 10 in the room facing the top plate 2 has a front and rear length and a side end shape that are different from each other. The same left and right width W is close to the size of the gap S.

  When the front and rear support brackets 7 and 7 are advanced on the lower surface of the extended top plate 11 by a predetermined distance outward from the side end of the top plate 2, the large-diameter holes 8 a in the engagement holes 8 are provided. Headed pins 12 and 12 are respectively projected downward at positions corresponding to the center of the head.

  Each headed pin 12 has a male screw portion 12b screwed into the lower surface of the top plate 2 connected to the upper end of the shaft portion 12a facing upward and downward, and an enlarged head portion 12c connected to the lower end of the shaft portion 12a. It has become more than a thing.

  The outer diameter of the shaft portion 12 a is smaller than the width of the narrow hole 8 b of the engagement hole 8 in the support bracket 7, and the outer diameter of the enlarged head portion 12 c is the narrow hole 8 b of the engagement hole 8 in the support bracket 7. The width is smaller than the inner diameter of the large-diameter hole 8a.

  Therefore, as shown in FIG. 4, the extended top plate 11 is provided on the lower surface of the front and rear support brackets 7, 7 in a state where the front and rear support brackets 7 and 7 are advanced by a predetermined distance outward from the side edges of the top plate 2. The enlarged head 12c of the headed pin 12 is fitted into the large-diameter hole 8a of the engagement hole 8 in each support bracket 7 from above so that the side edge of the top plate 2 and the indoor side wall 10 facing it. In the space S between the front and rear support brackets 7 and 7, the support brackets 7 and 7 are placed on the portion of the top bracket 2 that extends outward from the side end of the top plate 2. And the front and rear support brackets 7 and 7 are pulled inward of the top plate 2 so that the shaft portion 12a of the headed pin 12 engages with the narrow hole 8b of the engagement hole 8, and The enlarged head 12c of the head pin 12 is narrow on the lower surface of the support bracket 7. By fixing each support bracket 7 to the lower surface of the top plate 2 with a fixing screw 13 inserted from below into a screw insertion hole 9 provided at the left end of the support bracket 7 while being engaged with the edge of the hole 8b. The extended top plate 11 is firmly fixed to the side end of the top plate 2.

  The procedure for attaching the extension top plate 11 to the table 1 is one implementation procedure of the method for attaching the extension top plate of the present invention.

  In the first embodiment of the extended top plate mounting structure of the present invention as described above and the fixture with the top plate provided with the same, the shaft portion 12a projects from the lower surface of the extended top plate 11, and the shaft portion 12a. A headed pin 12 having an enlarged head 12c at the lower end of the head is an engaging portion provided on the lower surface of the extended top plate 11, and is drilled in the support bracket 7, so that the enlarged head 12c of the headed pin 12 is free to play. An engagement hole 8 having a large-diameter hole 8a and a narrow-width hole 8b, which is connected to the outer portion of the large-diameter hole 8a and allows the shaft 12a of the headed pin 12 to be inserted and the enlarged head 12c not to be inserted, The support bracket 7 is provided at a portion that can be extended outward from the side edge of the top plate 2 and is an engaged portion that can engage with the engaging portion. The support bracket 7 was brought into contact with the side edge of the top plate 2 and pulled inward of the top plate 2. In state, and has a fastening means for fastening the support bracket 7 to the top plate 2.

  Even when it is not possible to secure a sufficient working space for attaching the extended top plate 11 to the side of the top plate 2 by the engagement between the engaging portion and the engaged portion and the fastening means, Both the advancing / retreating operation of the support bracket 7 and the fixing operation of the support bracket 7 to the lower surface of the top plate can be performed below the top plate 2 inside the side legs 5, and the space below the extended top plate 11. Since it is not necessary to use as a work space, the extension top plate 11 can be easily and quickly attached.

  Further, as described above, the engaging portion is the headed pin 12 having the shaft portion 12a projecting from the lower surface of the extended top plate 11 and the enlarged head portion 12c at the lower end of the shaft portion 12a, and being engaged. A large-diameter hole 8a is formed in the support bracket 7 so that the enlarged head 12c of the headed pin 12 can pass therethrough, and the shaft 12a of the headed pin 12 can be inserted. When the enlarged head 12c is an engagement hole 8 having a narrow hole 8b that cannot be inserted, the shaft portion 12a of the headed pin 12 engages with the narrow hole 8b of the engagement hole 8, and the head When the enlarged head 12c of the pin 12 is engaged with the edge of the narrow hole 8b on the lower surface of the support bracket 7, the extended top plate 11 is in a state where the inner end thereof is in contact with the outer end of the top plate 2 Thus, it is immovable in any of the up / down, left / right, and front / rear directions and is firmly fixed to the top plate 2

  Furthermore, in the first embodiment, an insertion hole 6 that penetrates inward and outward is provided at the upper end of the support 3 that supports the top plate 2, and the support bracket 7 is inserted into the insertion hole 6, thereby supporting brackets. 7 is mounted on the lower surface of the top plate 2 so as to be slidable, so that the support bracket 7 can be easily supported on the lower surface of the top plate 2 so that a part of the support bracket 7 can move forward and backward from the side edge of the top plate 2. Can be made.

  According to one implementation point of the method of attaching the extended top plate of the present invention as described above, even if a sufficient work space for attaching the extended top plate 11 cannot be secured on the side of the top plate 2, the extension can be extended. Not only can the top plate 11 be easily and quickly attached, but the shaft portion 12a of the headed pin 12 engages with the narrow hole 8b of the engagement hole 8, and the enlarged head 12c of the headed pin 12 The extended top plate 11 engages with the edge of the narrow hole 8b on the lower surface of the support bracket 7, and the extension top plate 11 is in any of the top, bottom, left and right, front and back directions with the inner end in contact with the outer end of the top plate 2. However, it cannot be moved and is firmly fixed to the top plate 2.

  Further, using the support brackets 7 and 7, the headed pins 12, and the fixing screws 13, two tables 1 and 1 having the same shape are arranged side by side and connected as shown in FIGS. 5 and 6. be able to.

  That is, the two tables 1 and 1 are juxtaposed such that the side edges of the top plates 2 and 2 are in contact with each other, and at that time, the side legs of the supports 3 that are aligned in the left-right direction. The support bracket 7 is continuously inserted into the insertion holes 6, 6 at the upper end of 5, and one end of the support bracket 7 is inserted into the screw insertion hole 9 with the fixing screw 13. The other end of the support bracket 7 is fixed to the lower surface of the top plate 2, and the top end of the other table 1 is provided with a headed pin 12 in which the shaft portion 12 a is inserted into the narrow hole 8 b in the engagement hole 8. By being fixed to the lower surface of the plate 2, the two tables 1, 1 having the same shape can be arranged side by side and connected easily and firmly.

  Therefore, in the first embodiment of the mounting structure of the extended top plate, the two tables 1 and 1 having the same shape can be connected by using the components that support the extended top plate 11, Increased versatility.

FIG. 7 shows a second embodiment of a fixture with a top plate provided with an extension top plate mounting structure of the present invention. Note that the same or similar members as those in the first embodiment are denoted by the same reference numerals and illustrated, and detailed description thereof will be omitted.
In the second embodiment, on the lower surface of the extended top plate 11, an engaging portion is provided with a bowl-shaped hole 14 whose upper end faces the base end side of the extended top plate 11, that is, the left side in FIG. In addition, an engaged portion that is an upward saddle-shaped folded piece 16 is provided on the outer end portion of the support bracket 15 facing in the left-right direction.

  In the second embodiment, as shown by a two-dot chain line in FIG. 7, the extended top plate 11 is moved in a state where the support bracket 15 is advanced by a predetermined distance outward from the side end of the top plate 2. The hook-shaped hole 14 provided on the lower surface of the support bracket 15 is extended outward from the side edge of the top plate 2 in the support bracket 15 so as to be fitted to the upward hook-shaped folded piece 16 of the support bracket 15 from above. After that, the inner end of the extended top plate 11 is brought into contact with the outer end of the top plate 2 and the support bracket 15 is pulled inward of the top plate 2 so that the upward folding-back folded piece As shown by a solid line in FIG. 7, 16 is engaged with the hook-shaped portion of the hook-shaped hole 14, and in this state, the support bracket 15 is inserted through the screw insertion hole 9 provided at the left end portion from below. By fastening the fixing screw 13 to the lower surface of the top plate 2, The top plate 11 is firmly fixed to the side edge of the top plate 2.

The present invention is not limited only to the above-described embodiments, and can be implemented in the following modified modes, for example, without departing from the scope of the claims.
(1) The headed pin 12 is projected from the upper surface of the support bracket 7 to be used as an engaged portion, and a daruma-hole-like engagement hole 8 is provided on the lower surface of the top plate 2 to engage it. It is assumed to be a joint. In this case, the narrow hole 8b of the engagement hole 8 is continuously provided near the base end of the extended top plate 11 of the large diameter hole 8a.
(2) A stopper that abuts against the inner surface of the side leg 5 to prevent further advancement of the support bracket 7 when a part of the support bracket 7 is advanced from the side edge of the top plate 2 to a predetermined position. Is provided on the support bracket 7.
(3) The insertion hole 9 is a long hole extending in the left-right direction. By loosening the fixing screw 13 screwed into the screw hole provided in the lower surface of the top plate 2 so as to be inserted therethrough, the support bracket 7 is It can slide in the direction.

  The present invention can be applied not only to a table but also to a cabinet with a top plate and a fixture with a top plate such as a wagon.

S Gap W Left and right width of extended top plate 1 Table (Furniture with top plate)
2 Top plate 3 Support body 4 Adjuster 5 Side leg 6 Insertion hole 7 Support bracket 7a Downward bending piece (operation part)
8 engagement hole (engaged part)
8a Large-diameter hole 8b Narrow hole 9 Screw insertion hole 10 Side wall 11 Extended top plate 12 Headed pin (engaging part)
12a shaft portion 12b male screw portion 12c enlarged head 13 fixing screw (fixing means)
14 Saddle-shaped hole (engagement part)
15 Support bracket 16 Upward saddle type folded piece (engaged part)

Claims (6)

An extension top plate mounting structure for detachably attaching an extension top plate to a side end of the top plate in a fixture with a top plate provided with a top plate on a support,
An engaging portion provided on a lower surface of the extended top plate;
A part of the top plate is provided so as to be able to advance and retreat outward from the side edge of the top plate, and the extended top plate is supported by a portion that has advanced outward from the side end of the top plate. A support bracket provided with an engaged portion capable of engaging with the engaging portion in a portion that can be extended outward from the side end of the top plate;
Fastening means for fastening the support bracket to the top plate in a state where the extended top plate is brought into contact with a side edge of the top plate and the support bracket is pulled inward of the top plate. The mounting structure of the extended top plate characterized by this.   The engaging portion is a headed pin having a shaft projecting from the lower surface of the expansion top plate and having an enlarged head at the lower end of the shaft, and the engaged portion is drilled in a support bracket, A large-diameter hole through which the enlarged head of the headed pin can freely pass, and a narrow hole that is connected to the outer portion of the headed pin and through which the shaft of the headed pin can be inserted, and the enlarged head cannot be inserted. The mounting structure of the extended top plate according to claim 1, wherein the mounting holes are engaging holes.   An insertion hole penetrating inward and outward is provided at the upper end of the support that supports the top plate in the fixture with the top plate, and the support bracket is slid on the lower surface of the top plate by inserting the support bracket through the insertion hole. The mounting structure of the extended top plate according to claim 1 or 2, which is mounted as possible.   The fixture with a top plate provided with the attachment structure of the extended top plate in any one of Claims 1-3. An attachment method of the extension top plate, which attaches the extension top plate detachably to the side edge of the top plate in a fixture with a top plate provided with a top plate on a support,
On the lower surface of the top plate, a part is provided so as to be able to advance and retreat outward from the side end of the top plate, and an engaged portion is provided in a portion that can advance outward from the side end of the top plate. After the support bracket is advanced so that the part protrudes outward from the side edge of the top plate, the engaging portion provided on the lower surface of the extended top plate is engaged with the engaged portion. In this manner, the support bracket is placed on a portion of the support bracket that extends outward from the side end of the top plate, and then the extended top plate is brought into contact with the side end of the top plate, and the support bracket A method of attaching an extended top plate, wherein the support bracket is fixed to the top plate with a fixing means in a state in which the support bracket is pulled inward of the top plate.   The engaging portion is a headed pin having a shaft projecting from the lower surface of the expansion top plate and having an enlarged head at the lower end of the shaft, and the engaged portion is drilled in a support bracket, A large-diameter hole through which the enlarged head of the headed pin can freely pass, and a narrow hole that is connected to the outer portion of the headed pin, only the shaft part of the headed pin can be inserted, and the enlarged head cannot be inserted. The extended top plate is placed on the support bracket by fitting the headed pin into the large-diameter hole from above, and then the support bracket is placed inward of the top plate. By pulling the headed pin, the shaft portion of the headed pin is engaged with the narrow hole, and the enlarged head of the headed pin is engaged with the lower surface of the support bracket. 6. The method of attaching an extension top plate according to claim 5, wherein the extension top plate is prevented from coming off.

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