JP2008301973A - Connecting device between study desk and book shelf - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connecting device between a study desk and a book shelf, which is capable of easily connecting them with each other when providing the book shelf together in back of or on the side of the study desk and using it, and similarly connecting the book shelf even to the study desk whose depth width of a top plate can be adjusted. <P>SOLUTION: The connecting device between the study desk and the book shelf connects the study desk A in which both side parts of the top plate 1 are supported by leg bodies 2 and the book shelf B provided with a fixed shelf plate 4 whose upper surface is at the same height as the top plate. To the lower surface front edge part of the fixed shelf plate of the shelf, one or more connecting metal fittings 5 with an upward engaging piece 6 at the tip end are detachably attached in such a state that the engaging piece projects forward. At least in the lower surface rear edge part of the top plate of the study desk, an engaging groove 7 for engaging the engaging piece of the connecting metal fitting in a state of joining the rear end part of the top plate and the front end part of the fixed shelf plate of the book shelf is formed. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a connecting device for a learning desk and a bookshelf, and more particularly to a connecting device for a learning desk and a bookshelf in the case where a book shelf is used in the rear or side of the learning desk.

  2. Description of the Related Art Various learning furniture that combines a learning desk and a bookshelf has been provided. For example, one side of the top of the desk is inserted between the two sides of the bookshelf and connected to the shelf of the bookshelf, etc., or the upper shelf is placed behind the top of the learning desk. A desk that can be fixed and used as a study desk with shelves is provided. In addition, a learning desk and a bookshelf that are used independently are often combined, and the bookshelf is installed in close contact with the rear edge of the learning desk.

  When using a book shelf at the back or side of the learning desk, it is desirable that they are connected to each other from the viewpoint of stability of arrangement. Patent Document 1 and Patent Document 2 describe a structure in which screws are directly screwed in a state where a rear edge or one side edge of a tabletop plate is overlapped on an upper surface of a fixed shelf plate of a book shelf. However, in this case, the book shelf fixed shelf and the tabletop are partially overlapped and connected, so a step is created between the fixed shelf and the tabletop, not only deteriorating the appearance, but also the tabletop Since a part of the space has entered the storage space of the bookcase, the effective area of the top plate is reduced and the storage efficiency of the bookcase is also deteriorated.

On the other hand, depending on the purpose of use and preference, there are demands for a tabletop with a wide depth, or conversely, requirements for a tabletop with a narrow depth, and those requirements may change after purchasing a learning desk. In order to provide a learning desk suitable for many users, a learning desk that can adjust the depth of the top board according to the situation is desired. In the case where a bookcase is also provided behind the learning desk that can adjust the depth width of the top board, it is desirable that the learning desk and the bookcase can be easily connected, but such a thing has not been provided in the past.
Utility Model Registration No. 2552334 Japanese Patent No. 2703852

  Therefore, in view of the above-mentioned situation, the present invention intends to solve the problem that when a book shelf is used in the rear or side of the learning desk, they can be easily connected to each other, and the top plate It is in providing the connection device of the learning desk and bookshelf which can connect a bookshelf similarly even if it is a learning desk which can adjust the depth width of.

  In order to solve the above-mentioned problems, the present invention provides a learning desk in which both sides of the top board are supported by legs and a book shelf provided with a fixed shelf with the same height as the top board. A device for connecting a desk and a book shelf, wherein the engagement piece protrudes forward from a front edge portion of the lower surface of the fixed shelf plate of the book shelf, the connection piece having an upward engagement piece at the tip. The connecting bracket is attached in a state where the rear end portion of the top plate and the front end portion of the fixed shelf plate of the book shelf are joined to at least the rear edge of the lower surface of the top plate of the learning desk. A connecting device for a learning desk and a bookshelf, characterized in that an engaging groove for engaging the combined piece is formed (claim 1).

  Here, the learning desk is set so that the rear ends of both legs do not protrude rearward from the rear end of the top plate, and directly or indirectly via another member to the top plate or the leg. An extended top plate is provided, and the extended top plate is continuous with the rear end of the top plate so that the top plate and the top surface are flush with each other, and the retracted posture that does not protrude rearward from the rear end of the top plate. An engagement groove that engages an engagement piece of the connecting metal fitting is formed in the lower surface rear edge portion of the top plate and the lower surface rear edge portion of the extended top plate. (Claim 2).

  In addition, the engaging piece of the connecting bracket is engaged with the lower side edge of the top of the learning desk with the side edge of the top and the front end of the fixed shelf of the bookcase joined. It is preferable to form an engaging groove (claim 3).

  Specifically, the connecting metal fitting is formed by bending a metal plate into a U-shape when viewed from the side, and has the engagement piece at the front end of the substrate and the same as the engagement piece at the rear end of the substrate. The mounting piece is formed upward, a horizontally long mounting groove for engaging the mounting piece is formed on the lower surface of the fixed shelf plate of the bookcase, and a distance equal to the interval between the engaging piece and the mounting piece is formed. A use mode in which a relief groove is formed at a rear position of the mounting groove, the mounting piece is engaged with the mounting groove, and the connecting bracket is screwed to the lower surface of the fixed shelf plate so that the engaging piece protrudes forward. In the storage mode, the engagement piece and the attachment piece are engaged with the attachment groove and the escape groove, and the connecting fitting is screwed to the lower surface of the fixed shelf (Claim 4).

  The learning desk / bookshelf connecting apparatus according to the first aspect of the present invention includes a learning desk that supports both sides of the top board with legs, and a fixed shelf board that has the same height as the top board. A learning desk / bookshelf linking device for connecting the bookcases to each other, comprising a single or a plurality of linking brackets provided with an upward engagement piece at the front end at the lower front edge of the fixed shelf of the bookcase. Attach the rear end of the top plate and the front end of the fixed shelf of the book shelf to at least the rear edge of the lower surface of the top plate of the learning desk. Since the engagement groove for engaging the engagement piece of the connection fitting is formed in the state, the back of the top of the learning desk is lifted and placed on the front protrusion of the connection fitting attached to the fixed shelf of the bookcase As a result, the engagement groove of the top plate is engaged with the engagement piece of the coupling metal, and the rear end of the top plate and the front end of the fixed shelf plate are in contact with each other. It can be connected in a state. Normally, only the external force that moves along the floor surface acts on the learning desk, so the learning desk can be connected to the bookshelf simply by dropping the engaging groove of the top plate into the engaging piece of the connecting bracket and engaging it. The state can be maintained. In addition, when the learning desk and bookcase are connected, the top of the learning desk and the fixed shelf of the bookshelf are flush with each other, so the appearance is excellent and the top can be used widely. Is not reduced.

  According to claim 2, in the state where the extended top plate is in the retracted position, the extended top plate does not protrude rearward from the rear end of the top plate, so that the rear end of the top plate is joined to the front end of the fixed shelf of the bookshelf, When the extended top plate is in a horizontal position, the top plate and the extended top plate are integrated to form a top plate having a wide depth. The ends can be joined to the front end of the fixed shelf of the bookshelf and can be connected to each other by the connecting fitting.

  According to the third aspect, the top side of the learning desk is lifted and placed on the front protruding portion of the connection fitting attached to the fixed shelf of the bookshelf, so that the engagement piece of the connection fitting is attached to the engagement piece of the connection fitting. By engaging the engaging groove, the side end of the top plate and the front end of the fixed shelf plate can be connected.

  According to claim 4, when the learning desk and the book shelf are connected, the engagement piece is engaged with the attachment groove and the board is screwed to the lower surface of the fixed shelf plate, thereby the engagement piece. When the learning desk and the bookshelf are used independently, the engagement piece and the attachment piece of the coupling metal are engaged with the attachment groove and the relief groove. By screwing the substrate to the lower surface of the fixed shelf plate, the connecting bracket can be in a storage mode hidden behind the lower surface of the fixed shelf plate.

  Next, the present invention will be described in more detail based on the embodiments shown in the accompanying drawings. 1 to 4 show an embodiment of a connecting device for a learning desk and a book shelf according to the present invention, FIGS. 5 and 6 show a learning desk capable of adjusting the depth width of the top board, and FIGS. 7 to 13 show the present invention. In the figure, A is a learning desk, B is a bookshelf, 1 is a top board, 2 is a leg, 3 is an extended top board, 4 is a fixed shelf board, and 5 is a connecting bracket.

  The learning desk A of the present embodiment supports both sides of the top board 1 with the legs 2 and 2 and sets the rear ends of both legs 2 so as not to protrude rearward from the rear end of the top board 1. An extension top plate 3 is provided on the top plate 1 or the leg body 2 directly or indirectly through another member, and the extension top plate 3 is connected to the top plate 1 continuously to the rear end of the top plate 1. It is possible to take a horizontal posture in which the upper surface is flush and a retracted posture that does not protrude backward from the rear end of the top plate 1.

  Moreover, as shown in FIG.1 and FIG.2, the bookshelf B of this embodiment is equipped with the lower bookshelf B1 provided with the fixed shelf 4 with the same height as the top plate 1, and the lower bookshelf B1. It consists of an upper shelf B2 which is placed and fixed in a separable manner.

  In the present invention, the engaging piece 6 protrudes forward from a single or a plurality of connecting metal fittings 5 provided with an upwardly facing engaging piece 6 at the front end of the lower surface of the fixed shelf 4 of the book shelf B. In a state where it is detachably attached in a state, the rear end portion of the top plate 1 and the front end portion of the fixed shelf plate 4 of the book shelf B are joined to at least the rear lower edge portion of the top plate 1 of the learning desk A. The engaging groove 7 for engaging the engaging piece 6 of the connecting metal fitting 5 is formed.

  In addition, when the extended top plate 3 is in a horizontal posture, the rear end portion of the extended top plate 3 and the front end portion of the fixed shelf plate 4 of the book shelf B can be joined to each other. Engagement grooves 8 for engaging the engagement pieces 6 of the connection fitting 5 are also formed on the rear edge of the lower surface of the extension top plate 3 so that the extension top plate 3 and the fixed shelf 4 can be connected. . Further, the connection bracket 5 is engaged with the side edge of the top board 1 and the front edge of the fixed shelf 4 of the book shelf B joined to the lower edge of the top board 1 of the learning desk A. An engaging groove 9 for engaging the joining piece 6 is formed.

  In the present embodiment, the connection brackets 5 and 5 can be attached to two locations near the both sides of the fixed shelf 4 of the book shelf B, and the top 1 and the extension of the learning desk A are accordingly expanded. Engaging grooves 7 and 7 and engaging grooves 8 and 8 are formed near both sides of the rear edge of the top plate 3. On the other hand, on both sides of the top 1 of the learning desk A, an engagement groove 9 is formed at one location in the substantially central part of the width, and one side of the learning desk A is connected to the left and right sides of the front of the bookshelf B. In the case of being joined together, the one connecting fitting 5 is used for connection.

  More specifically, as shown in FIGS. 1, 3, 5, and 6, the learning desk A pivots the extended top 3 up and down on both legs 2 and 2 via support arms 10 and 10, respectively. A recessed portion 11 or a recessed step portion for accommodating the extended top plate 3 in a retracted posture substantially perpendicular to the rear portion of the leg body 2 is provided. Further, elongated holes 13 parallel to the upper surface of the extended top plate 3 are formed in the base end side protruding portions 12 and 12 of the support arms 10 and 10 fixed to both sides of the lower surface of the extended top plate 3 in parallel with the depth direction. In addition, a support hole 14 that vertically penetrates the extended top plate 3 from the long hole 13 is formed, and a support hole 15 that penetrates left and right is formed in the support arm 10 below the extended top plate 3. A support shaft 16 passed through the long hole 13 is fixed to the inner surface side of the leg 2 so that it can be turned up and down, and a fixing screw 17 passed through the support hole 14 in a state where the extended top 3 is in a horizontal posture. Is screwed to the lower surface of the top plate 1 and the fixing screw 17 passed through the support hole 15 is screwed to the inner surface of the leg plate 2 while the extended top plate 3 is in the retracted posture to maintain the posture.

  Further, projecting pieces 18, 18 project from the lower surface to the front at both sides of the extended top plate 3, and receiving metal fittings 19 for fitting the projecting pieces 18 at the rear edge of the lower surface at both sides of the top plate 1, 19 is attached, and when the extended top plate 3 is in a horizontal posture, the protruding pieces 18 and 18 are fitted into the receiving brackets 19 and 19 to prevent the expansion top plate 3 from being bent in the vertical direction. Yes.

  Further, in order to form the engagement grooves 9 and 9 on the lower side edge on both sides of the top board 1 of the learning desk A, a notch 20 is formed in the center of the upper end of each leg 2 to form the top. The lower surface of the plate 1 is opened, and the engagement groove 9 is formed on the opened lower surface. Since the notches 20 and 20 are formed on both sides of the top board 1, finger hooks are formed on both sides of the learning desk A, so that the side edges of the top board 1 and the outer surface of the leg 2 The learning desk A can be easily lifted even if there are few steps or no step.

  Further, embodiments of the present invention will be specifically described. As shown in FIGS. 7, 8, and 13, the connecting metal 5 is formed by bending a metal plate into a U-shape in side view, and has the engagement piece 6 at the front end of the substrate 21. An attachment piece 22 similar to the engagement piece 6 is formed on the rear end of the substrate 21 so as to face upward, and a horizontally long attachment groove 23 for engaging the attachment piece 22 with the lower surface of the fixed shelf plate 4 of the book shelf B. And an escape groove 24 is formed at a position behind the mounting groove 23 by a distance equal to the distance between the engagement piece 6 and the mounting piece 22. Then, the mounting piece 22 is engaged with the mounting groove 23 and the board 21 is screwed to the lower surface of the fixed shelf plate 4 so that the engaging piece 6 is in a forward projecting state. It is possible to realize a storage mode of the connecting fitting 5 in which the engagement piece 6 and the attachment piece 22 are engaged with the groove 23 and the escape groove 24 and the board 21 is screwed to the lower surface of the fixed shelf plate 4.

  2, 8, and 10, a book shelf B is provided at the rear of the learning desk A with the extended top 3 in the retracted position, and the rear end of the top 1 and the front end of the fixed shelf 4 are joined together. Moreover, the state which mutually connected with the connection metal fitting 5 is shown. In order to realize this connected state, the rear part of the top board 1 of the learning desk A is simply lifted and placed on the front protruding part of the connecting metal fitting 5 attached to the fixed shelf board 4 of the book shelf B. The engagement piece 6 of the metal fitting 5 is engaged with the engagement groove 7 of the top plate 1 so that the rear end of the top plate 1 and the front end of the fixed shelf plate 4 are joined.

  4, 9, and 11, a book shelf B is provided at the rear of the learning desk A with the extended top 3 placed in a horizontal posture, and the rear end of the extended top 3 and the front end of the fixed shelf 4 are joined together. In addition, a state is shown in which the connecting metal fittings 5 are connected to each other. In order to realize this connected state, it is only necessary to lift the rear part of the top board 1 of the learning desk A and place the extended top board 3 on the front projecting part of the connecting metal fitting 5 attached to the fixed shelf board 4 of the book shelf B. As a result, the engagement piece 6 of the coupling metal 5 is engaged with the engagement groove 8 of the extension top plate 3 so that the rear end of the extension top plate 3 and the front end of the fixed shelf plate 4 are joined.

  In order to connect the book shelf B to the side portion of the learning desk A, first, the connecting piece 5 is connected to the left and right sides of the book shelf B to which the side portion of the learning desk A is connected. It attaches so that it may protrude, and it attaches so that the connection metal fitting 5 may not protrude from the fixed shelf board 4 to an other side part. Then, by simply lifting the side of the top plate 1 of the learning desk A and placing it on the forward projecting portion of the connection bracket 5 attached to the fixed shelf 4 of the book shelf B, the engagement piece 6 of the connection bracket 5 can be By engaging with the engagement groove 9 of the plate 1, the side end of the top plate 1 and the front end of the fixed shelf plate 4 can be connected. Here, when the extended top plate 3 is in a horizontal posture, it is necessary to connect the learning desk A to the center side of the bookshelf B relatively. The mounting groove 23 is extended toward the center so that it can be mounted close to the center.

  Further, as shown in FIGS. 10 and 11, the front grounding member 25 is attached to the lower end of the leg 2 and the front grounding member 26 can be attached to and detached from the rear part so that the front and rear mounting positions can be changed. Installed on. The front side grounding member 25 and the rear side grounding member 26 have substantially the same rectangular cross-section, and when the rear side grounding member 26 is attached to the front side of the leg 2, the front side grounding member 25. The adjusters 28 are provided in the recessed portions 27 formed on the lower surface of the front end portion of the front side grounding member 25 and the lower surface of the rear end portion of the rear side grounding member 26 so as to absorb the unevenness of the floor surface. . As a result, the height of the engagement piece 6 of the connecting metal fitting 5 is adjusted so that the engagement piece 6 is securely engaged with the engagement grooves 7 and 9 of the top plate 1 of the learning desk A and the engagement groove 8 of the extended top plate 3. be able to.

It is a perspective view which shows the state before connecting the learning desk and bookcase which made the extended top plate the storing attitude | position. It is a perspective view of a state where a book shelf is also provided at the rear of the learning desk and the top plate and fixed shelf are connected to each other. It is a perspective view which shows the state before connecting the learning desk and bookcase which made the extended top plate the horizontal attitude | position. It is a perspective view of a state where a book shelf is also provided at the rear of the learning desk and the extension top plate and the fixed shelf are connected to each other. It is a principal part longitudinal cross-sectional view of a state in which the extended top plate is in the retracted posture. It is a principal part longitudinal cross-sectional view of a state with an extended top plate in a horizontal posture. It is an expanded sectional view which shows the connection part of the top plate of the learning desk with an extended top plate of a storage posture, and the fixed shelf board of a bookshelf. It is a top view of the connection state of FIG. It is a top view of the connection state of FIG. It is a fragmentary longitudinal cross-section of the connection state of FIG. It is a fragmentary longitudinal cross-section of the connection state of FIG. It is a top view of the state which attached the book shelf to the side part of the learning desk, and connected the top plate and the fixed shelf. It is a longitudinal cross-sectional view which shows the relationship between a lower bookcase and a connection metal fitting.

Explanation of symbols

A study desk, B bookcase,
B1 lower bookcase, B2 upper bookcase,
1 top plate, 2 legs,
3 Expansion top plate, 4 Fixed shelf plate,
5 connecting brackets, 6 engaging pieces,
7 engaging groove, 8 engaging groove,
9 engaging groove, 10 support arm,
11 recessed portion, 12 proximal side protruding portion,
13 long holes, 14 support holes,
15 support holes, 16 spindles,
17 fixing screws, 18 projecting pieces,
19 bracket, 20 notch,
21 substrate, 22 mounting piece,
23 mounting groove, 24 relief groove,
25 front side grounding member, 26 rear side grounding member,
27 recesses, 28 adjusters.

Claims (4)

  A learning desk / bookshelf linking device for connecting a learning desk supporting both sides of the top board with legs and a book shelf provided with a fixed shelf board having the same height as the top board, the book shelf At the front edge of the lower surface of the fixed shelf plate, a single or a plurality of connecting brackets provided with an upward engagement piece at the tip are detachably attached with the engagement piece protruding forward, and the top of the learning desk An engagement groove for engaging the engagement piece of the connecting metal fitting is formed at least on the rear edge of the lower surface of the plate in a state where the rear end of the top plate and the front end of the fixed shelf of the book shelf are joined. A connecting device for learning desks and bookcases.   The learning desk is set so that the rear ends of both legs do not protrude rearward from the rear end of the top plate, and is directly extended to the top plate or the leg body or indirectly through another member. The extended top plate has a horizontal posture in which the top surface of the top plate is flush with the rear end of the top plate, and a retracted posture that does not protrude rearward from the rear end of the top plate. The engagement groove which engages the engagement piece of the said coupling metal is formed in the lower surface rear edge part of the said top plate, and the lower surface rear edge part of the said extended top plate of Claim 1. Connecting device for learning desk and bookcase.   Engagement that engages the engagement piece of the connecting bracket with the side edge of the top plate and the front end of the fixed shelf of the book shelf joined to the lower side edge of the top of the learning desk 3. The learning desk / bookcase coupling device according to claim 1 or 2, wherein a groove is formed. The connecting metal fitting is formed by bending a metal plate into a U-shape when viewed from the side, and has the engagement piece at the front end of the board and the attachment piece similar to the engagement piece upward at the rear end of the board. A horizontally long mounting groove for engaging the mounting piece is formed on the lower surface of the fixed shelf plate of the bookcase, and the rear of the mounting groove by a distance equal to the interval between the engaging piece and the mounting piece. A use mode in which an escape groove is formed at a position, the mounting piece is engaged with the mounting groove, and the connecting bracket is screwed to the lower surface of the fixed shelf plate so that the engaging piece protrudes forward; and the mounting groove; The learning desk and bookcase connection according to any one of claims 1 to 3, wherein a storage mode in which the engagement piece and the attachment piece are engaged with an escape groove to connect the fitting to the lower surface of the fixed shelf is realized. apparatus.

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