JP2006055496A - Desk mat for study desk with shelf - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a desk mat for a study desk with a shelf by which positioning is easily performed in installing onto a top board without falling backward and the upper surface of the top board is effectively utilized, concerning the desk mat to be used for the study desk with an on-desk shelf placed in the rear part of the top board. <P>SOLUTION: The desk mat 1 is used for the study desk 2 with the shelf where the on-desk shelf 4 having at least both side boards 5 is placed in the rear part of the top board 3. Notched parts 12 for receiving both the side boards of the on-desk shelf are formed in both the rear parts of a sheet. A horizontal width is made to substantially coincide with the effective horizontal width of the top board. Step parts 13 to be abutted onto the front end of each side board of the on-desk shelf are arranged in the both side rear parts so as to form the notched parts 12. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a desk mat in a learning desk with shelves, and more particularly to a desk mat used in a learning desk in which a desktop shelf is erected at the rear of the top board.

  2. Description of the Related Art Conventionally, a desk mat that is laid on the top surface of a desk top plate and used has a simple rectangular shape. As shown in FIG. 10, when a desktop shelf 102 is placed on the rear part of the top plate 101 of the learning desk 100, a rectangular shape having a width dimension that fits between the side plates 103, 103 on both sides constituting the desktop shelf 102. A desk mat 104 is used.

  In this case, the width of the desk mat 104 is narrower than the width of the top plate 101 minus the thickness of the at least two side plates 103, 103. Since the exposed portions 105, 105 are difficult to use for writing or the like, the effective use width of the top plate 101 is effectively the horizontal width of the desk mat 104, and the use efficiency is deteriorated. In addition, when the back plate 106 is present at the rear end portion of the both side plates 103, 103 of the desk shelf 102, even if the desk mat 104 is displaced backward, it is stopped by the back plate 106. Although there is also a desk shelf 102 having a structure in which the back plate 106 does not exist recently, the desk mat 104 is assumed to fall behind the learning desk 100.

In Patent Document 1, a desktop shelf constructed by connecting a plurality of storage bodies in the left-right direction at the rear part of the top plate is detachably installed on the rear part of the top plate via a connecting bracket, A gap is formed between the bottom surface of the adjuster at the raised position and the top plate, and the rear end of the desk mat is inserted into this gap, and the desk is placed on the top plate between the left and right side plates of the left and right storage bodies. It is disclosed that the mat is laid, the adjuster is then lowered, and the lower surface is pressed onto the desk mat to prevent the desk mat from being displaced. In this patent document 1, since the rear portion of the desk mat is positioned between both side plates of the desk shelf and pressed against the top plate by the adjuster, the misalignment of the desk mat can be surely prevented, but the adjuster is in the way of the document. This will hinder the operation of inserting the rear part of the device into the interior space of the desktop shelf.
JP 11-46891 A

  Therefore, in view of the above-mentioned situation, the present invention intends to solve the problem that a desk mat used for a learning desk in which a desk shelf is placed on the back of the top board is easily positioned when laid on the top board. In addition, the present invention is to provide a desk mat in a learning desk with a shelf that does not slip backward and can effectively use the top surface of the top plate.

  In order to solve the above-mentioned problem, the present invention provides a desk mat for use in a learning desk with shelves placed at the rear on a top plate, and a desk shelf having at least both side plates, on the desk on both sides of the seat. A desk mat in a learning desk with shelves, characterized in that a notch for receiving both side plates of the shelves is formed (claim 1).

  And it consists of an upper sheet and a lower sheet, it is preferred to form the notch which connects the back edge or front edge of both sheets, and receives the both sides board of the above-mentioned desk shelf at the both sides rear part of both sheets. 2).

  Alternatively, it consists of an upper sheet and a lower sheet, connecting the rear edges or front edges of both sheets, and forming notches to receive both side plates of the desk shelf at both sides of the upper sheet, and corresponding to the notches It is also preferable that the rear portions on both sides of the lower sheet to serve as clamping portions on which both side plates of the desktop shelf are placed (Claim 3).

  Here, it is preferable that the notch is formed by making the width substantially coincide with the effective width of the top plate, and providing a stepped portion that stops at the front end of the side plate of the desktop shelf at the rear of both sides. .

  In addition, it is also preferable that a corrugated edge that is elastically pressed against the inner surface of the side plate is formed on the edge portion of the notch corresponding to the inner surface of the side plate of the desk shelf.

  The desk mat in the learning desk with shelves according to the first aspect of the present invention as described above is laid on the top board because the both sides of the desk shelf are received in the notches formed in the rear portions on both sides and laid on the top board. The positioning at the time is easy, and the movement in the lateral direction is not restricted, and the upper surface of the top plate can be used effectively without slipping backward.

  According to claim 2, it is possible to use a sheet such as a character sheet or a timetable between the upper sheet and the lower sheet, and when the trailing edges of both sheets are connected, the sheets are inserted from the front. When the front edges of both sheets are connected, the upper sheet is turned forward and then the sheets are taken in and out. There is no.

  According to the third aspect, in addition to the effect of the second aspect, the rear side portions of the lower sheet corresponding to the notch portion of the upper sheet serve as the sandwiching portions for placing the both side plates of the desktop shelf. It can be completely prevented, and the sheets can be sandwiched between the lower sheet and the upper sheet. Furthermore, since the both side plates of the desk shelf are placed on the upper surface of the holding portion of the lower sheet, the side plate does not damage the upper surface of the top plate at all.

  According to the fourth aspect, since the width of the desk mat is made substantially equal to the effective width of the top plate, there are fewer exposed portions on both sides of the top surface of the top plate at the front, and the top surface of the top plate is effectively used. In addition, since the stepped portion of the notch is stopped against the front end of both side plates of the desktop shelf, further rearward movement is suppressed, and it is possible to reliably prevent the backward slipping, and both stepped portions are In the state where the front end of the both side plates of the shelf is stopped, the desk mat can restrict the rotational deviation in the left-right direction.

  According to the fifth aspect, when the rear portion of the desk mat is inserted between the both side plates of the desk shelf and the both side plates are received in the both notched portions, the corrugated edges formed on the side edges of the notched portions are the inner surfaces of the both side plates. Therefore, the desk mat can be prevented from being displaced by a large resistance against the displacement in the front-rear direction, the left-right direction, and the rotation direction of the desk mat.

  Next, the present invention will be described in more detail based on the embodiments shown in the accompanying drawings. FIG. 1 is an overall perspective view of a learning desk with shelves using a desk mat according to the present invention, FIG. 2 is a cross-sectional plan view of the main part, in which 1 is a desk mat, 2 is a learning desk, 3 is A top plate, 4 is a desktop shelf, and 5 is a side plate.

  The desk mat 1 according to the present invention exhibits its characteristics when used in a study desk with shelves. As shown in FIG. 1, the learning desk 2 to which the present invention is applied is a learning desk with a shelf in which a desk shelf 4 is placed on the rear portion of the top board 3. The desktop shelf 4 has at least both side plates 5 and 5 and usually also has a back plate 6 between the rear ends of the side plates 5 and 5. However, the present invention is not limited to this structure.

  The desktop shelf 4 is fixed by connecting members 9 and 9 with both side plates 5 and 5 being placed on the upper rear portion of the top plate 3. The top plate 3 forms a rounded chamfered portion 10 by router processing the front edge and both side edges. Accordingly, the plane portion on the top surface of the top plate 3 becomes the effective use surface 11. The desktop shelf 4 is placed and fixed on the effective use surface 11 of the top plate 3.

  As shown in FIG. 2, the desk mat 1 of the first embodiment is made of a polyolefin-based soft synthetic resin having pencil hardness, and has notches 12 for receiving both side plates 5 and 5 of the desk shelf 4 at the rear portions on both sides. , 12 are formed. Here, the width of the desk mat 1 is made to substantially coincide with the effective width of the top plate 3, that is, the width of the effective use surface 11, and the notches 12 and 12 are the front ends of the side plates 5 and 5 of the desktop shelf 4. Steps 13 and 13 are provided to stop against each other.

  Thus, by making the width of the desk mat 1 full of the effective width of the top plate 3, the exposed portions of the top plate 3 are reduced on both sides of the front portion of the top plate 3, and writing on the desk mat 1 is performed. The work area such as is maximized. Moreover, when the notches 12 and 12 are formed so as to receive the both side plates 5 and 5 of the desk shelf 4, the step portions 13 and 13 can be reliably formed, whereby the desk mat 1 is moved rearward. Even if it moves, the stepped portions 13, 13 are abutted against the front ends of the side plates 5, 5 of the desktop shelf 4, and further rearward movement is restricted. Also, in the case where the back plate 6 of the desktop shelf 4 is not present, or in the case where a space is provided between the back plate 6 and the top plate 3, the desk mat 1 is shifted backward and dropped. Can be prevented. Further, the edge portions 14 and 14 of the notches 12 and 12 abut against the inner surfaces of the side plates 5 and 5 of the desktop shelf 4 and the step portions 13 and 13 abut against the front ends of the side plates 5 and 5. Therefore, the movement in the left-right direction and the rearward direction is restricted, as well as the movement in the rotational direction.

  FIG. 3 shows a desk mat 1 according to the second embodiment. In the desk mat 1 of the present embodiment, a corrugated edge 15 that is elastically pressed against the inner surface of the side plate 5 is formed on the side edge portion 14 of the notch 12 corresponding to the inner surface of the side plate 5 of the desk shelf 4. FIG. 4 shows a desk mat 1 according to the third embodiment. In the desk mat 1 of the present embodiment, the notches 12 and 12 have a triangular shape in plan view, and the front ends of the side plates 5 and 5 may be arranged so as not to contact the inner surfaces of the side plates 5 and 5 of the desk shelf 4. If the stepped portions 13 and 13 are stopped at the same time, and the inclined side edge portions 16 and 16 of the notched portions 12 and 12 are in contact with the front end inner edge portions of the side plates 5 and 5, the horizontal direction is increased. Movement and backward movement can be restricted.

  FIG. 5 shows a desk mat 1 according to the fourth embodiment. In the desk mat 1 of the present embodiment, the notches 12 and 12 are formed in a slit-like groove shape that is opened rearward, and are located on the outer surfaces of the side plates 5 and 5 of the desk shelf 4 at both ends, and the top plate 3 The tongue pieces 17, 17 covering the exposed portion are left. The desk mat 1 is laid on the top plate 3 with the side plates 5 and 5 being received in the slit-shaped cutout portions 12 and 12, so that the desk mat 1 can be more reliably moved in the left-right direction and moved backward. Can be regulated.

  The desk mat 1 shown in FIG. 6 is a case where the desk mat 1 having the notches 12 and 12 according to the present invention is laid on the learning desk 2 without the desk shelf 4, that is, the top board 3 of the flat desk. The sheet pieces 18, 18 filling the notches 12, 12 are placed on the top plate 3, and a desk mat without the notches 12, 12 is configured. Here, the sheet piece 18 is made of an adhesive material, and the sheet piece 18 is adhered to the rear portions on both sides of the top plate 3, thereby moving the desk mat 1 in the left-right direction and moving backward. Movement can be regulated.

  In the above embodiment, the desk mat 1 having a single sheet configuration is shown. However, the following embodiment is a desk mat 1 having a two sheet configuration.

  7 and 8 show the desk mat 1 of the fifth embodiment. In the desk mat 1 of this embodiment, it consists of an upper sheet 19 and a lower sheet 20, and the rear edges (see FIGS. 7A and 7B) or the front edges (FIG. 8A, (B) is connected, and notches 12 and 12 for receiving both side plates 5 and 5 of the desk shelf 4 are formed in the same manner as described above at the rear portions on both sides of both sheets 19 and 20. Here, as a means for connecting the upper sheet 19 and the lower sheet 20, an appropriate connecting means such as heat welding, adhesion or fitting can be adopted, but in this embodiment, a rectangular unit heat welding pattern is used. It connects with the heat welding means which consists of. In the figure, 21 is a heat welding part. In addition, the configuration of the first to third embodiments described above can be combined with this embodiment.

  FIG. 9 shows a sixth embodiment. The desk mat 1 of the present embodiment includes an upper sheet 19 and a lower sheet 20, the rear edges of both the sheets 19, 20 are connected, and both side plates 5, 5 of the desk shelf 4 are connected to both side rear portions of the upper sheet 19. Are formed on the opposite sides of the lower sheet 20 corresponding to the notches 12 and 12 to be sandwiched portions 22 and 22 on which the side plates 5 and 5 of the desktop shelf 4 are placed. Is. In this embodiment, although the heat welding part 21 was formed and connected to the rear edge of the said upper sheet 19 and the lower sheet | seat 20, the front edge of both the sheets 19 and 20 can also be connected similarly. Moreover, you may combine the structure of above-mentioned 1st Embodiment-3rd Embodiment with this embodiment. In the present embodiment, the upper sheet 19 has the notches 12 and 12 even when the both side plates 5 and 5 of the desktop shelf 4 are placed on the sandwiching portions 22 and 22 of the lower sheet 20 and cannot move. The upper sheet 19 can be rolled up and the sheets can be easily sandwiched between the lower sheet 20.

It is a whole perspective view of the learning desk with a shelf using the desk mat of this invention. It is a cross-sectional top view of the principal part which shows the use condition of the desk mat of 1st Embodiment. It is a cross-sectional top view of the principal part which shows the use condition of the desk mat of 2nd Embodiment. It is a cross-sectional top view of the principal part which shows the use condition of the desk mat of 3rd Embodiment. It is a top view of the desk mat of 4th Embodiment. It is a top view which shows the modification of the desk mat of 1st Embodiment. The desk mat of 5th Embodiment is shown, (a) is a top view, (b) is a center sectional drawing. The modification of the desk mat of 5th Embodiment is shown, (a) is a top view, (b) is a center sectional drawing. The desk mat of 6th Embodiment is shown, (a) is a disassembled perspective view, (b) is a perspective view, (c) is a partial side view of a use condition. It is a cross-sectional top view of the principal part which shows a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Desk mat 2 Learning desk 3 Top board 4 Desk shelf 5 Side board 6 Back board 7 Standing board 8 Shelf board 9 Connector 10 Chamfer part 11 Effective use surface 12 Notch part 13 Step part 14 Edge part 15 Waveform edge 16 Inclined edge part 17 tongue piece 18 sheet piece 19 upper sheet 20 lower sheet 21 heat welding part 22 clamping part 100 learning desk 101 top board 102 desktop shelf 103 side board 104 desk mat 105 exposed part 106 back board

Claims (5)

  A desk mat for use in a learning desk with shelves placed at the rear on the top board, at least a desk shelf having both side boards, and a notch for receiving both sides of the desk shelf is formed on both sides of the sheet. Desk mat in a study desk with shelves characterized by.   The learning with a shelf according to claim 1, comprising a top sheet and a bottom sheet, connecting the rear edges or front edges of both sheets, and forming notches for receiving both side plates of the desktop shelf on both side rear parts of both sheets. Desk mat at the desk.   It consists of an upper sheet and a lower sheet, connects the rear edges or front edges of both sheets, and forms notches for receiving the both side plates of the desk shelf at the rear sides on both sides of the upper sheet, and corresponds to the notches The desk mat in a study desk with shelves according to claim 1, wherein the rear portions on both sides of the lower sheet serve as clamping parts for placing both side plates of the desktop shelf.   The width of a front part is made to correspond substantially with the effective width of the said top plate, and the notch part is formed in the back part of both sides by providing the step part which stops at the front end of the side plate of the said desk shelf. Desk mat in the study desk with shelf described. The desk mat in the learning desk with shelves according to any one of claims 1 to 4, wherein a corrugated edge that is elastically pressed against the inner surface of the side plate is formed on a side edge portion of the notch corresponding to the inner surface of the side plate of the desk shelf. .

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