JP4441097B2 - Mounting structure for the rear panel of the table top - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a mounting structure for a top plate rear member in a desk.
[0002]
[Prior art]
There is a desk in which a wiring duct portion for storing wiring codes of OA devices placed on the desk is provided at the rear end of the top plate. Conventionally, in such a desk, the melanin finishing desk upper part of the top plate and the wiring duct part are fixed to each other as one rigid body, and the top plate constitutes the whole.
[0003]
[Problems to be solved by the invention]
In the conventional configuration as described above, since the desk surface and the wiring duct surface are connected, it is firmly screwed so that the top plate is not twisted or broken when the end of the top plate is lifted, It must be made into a sturdy structure, which is heavy in weight and complicated, and the cost is high.
[0004]
In view of the above-described problems, an object of the present invention is to provide a structure that allows a desk provided with a wiring duct part at the rear part to have a simple structure and be manufactured at low cost.
[0005]
[Means for Solving the Problems]
According to the present invention, the above problem is solved as follows.
(1) A rear plate is disposed at the rear end portion between the left and right top plate supports, and a top plate having a short depth dimension is disposed on the upper surface of the top plate support so as to leave a space in the rear portion. In the desk which arrange | positions a top-plate rear member in the rear-end part of an upper surface, and forms the opening for wiring introduction between the rear-end part of the said top plate, and the said top-plate rear member, The lower surface of the intermediate part of the member is locked to the upper surface of the rear plate and the top plate support so as to be immovable in the vertical and front-rear directions with a locking means, and the left and right end portions are fixed to the top plate support. Stick.
[0006]
(2) In the above item (1), the locking means includes a stepped pin provided on one of the top plate rear member, the top plate support and the rear plate, and a large diameter circular hole provided on the other. Part and a small-diameter oblong hole part continuous in the left-right direction, the stepped pin is inserted into the large-diameter circular hole, and the step part is moved to the small-diameter oblong hole and locked together. It is comprised by the dharma hole made to carry out.
[0007]
(3) In the above item (1) or (2), the top plate rear member is configured by joining the injection molded resin end members to the left and right ends of the extruded resin intermediate material.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a perspective view of a desk (A) embodying the present invention, and a top board (2) is attached to the upper surface of a top board support (1) such as a sleeve desk arranged side by side with a space between them. ing. The top plate (2) has a short depth, its front end projects slightly forward from the front of the top plate support (1), and its rear end is the rear of the top plate support (1). The wiring space or the opening (3) is left behind.
[0009]
A rear plate (4) is attached between the rear ends of the left and right top plate supports (1). As shown in FIG. 2, the upper end of the rear plate (4) made of a steel plate is bent inward at a right angle to form an upper surface (4a) at the same height as the upper surface of the top plate support (1). Yes.
[0010]
As shown in FIGS. 1 and 4, a plurality of dharma holes (5) are formed in the upper surface (4a) of the rear plate (4) and the rear end of the upper surface of the top plate support (1). . As shown in FIG. 4, the dharma hole (5) is composed of a large-diameter circular hole portion (5a) and a small-diameter oblong hole portion (5b) continuous thereto, and the small-diameter oblong hole portion (5a). Are arranged in a row with their orientations aligned in the horizontal direction of the desk.
[0011]
On the rear edge of the desk, that is, the rear end of the upper surface of the top plate support (1) and the upper surface (4a) of the rear plate (4), the top plate rear member (FIG. 1, FIG. 2 and FIG. 3) 6) is attached. This is a molded product of synthetic resin material, and has the same thickness or height as the top plate (2). The long intermediate material (7) is formed by extrusion molding, and the intermediate material (7) The end member (8) joined by fitting the insertion part (8a) to both ends is formed by injection molding.
[0012]
As shown in FIGS. 2 and 3, a stepped pin (9) is planted on the lower surface of the top plate rear member (6) so as to protrude downward. The stepped pin (9) includes a head (9a) having a slightly smaller diameter than the large-diameter circular hole (5a) of the aforementioned Dalma hole (5) and a slightly smaller diameter than the small-diameter long circular hole (5b). The intermediate member (7) and the end member (8) are arranged in a row at intervals corresponding to the dharma hole (5).
[0013]
Further, a projecting piece (10) extending forward is integrally formed at the front lower end portion of the end member (8) of the top plate rear member (6), and a small hole (11) is bored at substantially the center thereof. It is installed. On the other hand, a screw hole (12) corresponding to the small hole (11) is formed in the rear end portion of the upper surface of the top plate support (1).
[0014]
Because of this configuration, the top plate rear member (6) is positioned so that the stepped pins (9) planted on the lower surface thereof are aligned with the dharma holes (5). Lowering vertically, the head (9a) of the stepped pin (9) is inserted into the large-diameter circular hole (5a) of the Dharma hole (5).
[0015]
This is done by aligning the entire length of the top plate rear member (6) at the same time. After insertion, the top plate rear member (6) is placed in the direction of the oblong hole portion (5b) of the Dharma hole (5) (left side of FIG. 1). When pulled in the direction), the stepped portion (9b) of the stepped pin (9) is engaged with the oblong hole portion (5b) of the dharma hole (5) as shown in FIG.
[0016]
At this time, the small holes (11) of the projecting pieces (10) (FIG. 2) formed in the front part of the end members (8) at both ends of the top plate rear member (6) are used as the top plate support (1). , And a tapping screw (13) (FIG. 1) is screwed into the top plate rear member (6) as the top plate support ( Fix to the upper surface of 1).
[0017]
In this way, the intermediate member (7) of the top plate rear member (6) is provided on the upper surface of the top plate support (1) by engaging the stepped pins (9) and the dharma holes (5) at a plurality of locations. At the same time, the end member (8) joined to both ends of the intermediate member (7) is firmly fixed to the upper surface (4a) of the rear plate (4), and is attached to the upper surface of the top plate support (1). The screw is securely screwed, and the movement of the stepped pin (9) in the direction of coming out of the long circular hole (5b) of the Dalma hole (5) is also reliably prevented.
[0018]
In the above embodiment, the stepped pin (9) is on the top plate rear member (6), and the dharma hole (5) is on the top plate support (1) and the upper surface (4a) of the rear plate (4). Although provided, these relationships can be reversed.
Further, an L-shaped hook can be used instead of the stepped pin, and a slit into which the tip of the hook can be inserted instead of the dharma hole.
[0019]
Further, as shown in FIGS. 5 and 6, as locking means, there are downward locking claws (15) that can be elastically bent on four side surfaces of the upper half (14) of a rectangular parallelepiped shape, and the upper half On the front and rear surfaces of the lower half (16) of the rectangular parallelepiped that is larger than the section (14), a plurality of fasteners (18) made of a synthetic resin having upwardly locking latching claws (17) that can be elastically bent are provided. The upper half (14) is fitted into a plurality of square holes (19) drilled at appropriate positions on the lower surface of the intermediate member (7) in the top plate rear member (6), and each locking claw ( 15) is engaged with the upper edge of the square hole (19), and the lower half (16) is opposed to the square hole (19) and is placed on the upper surface of the rear plate (4) or the upper surface of the top plate support. The top plate rear member is fitted into a larger square hole (20) than the drilled square hole (19), and each locking claw (17) is locked to the lower edge of the square hole (20). The intermediate part of (6) may be locked to the upper surface of the rear plate (4) or the upper surface of the top plate support so as to be immovable back and forth, left and right, and up and down. There.
[0020]
【The invention's effect】
According to the first aspect of the present invention, the top plate rear member is separated from the top plate having a short depth up to the front of the wiring space, and is securely attached to the top plate support and the rear plate over its entire length. By closely contacting and locking, the desk top surface can be configured flat without unevenness while leaving a space for the wiring duct with good appearance without misalignment, etc., although they are separate components. In addition, this makes it possible to simplify the structure of the top plate, reduce the cost of the top plate, and provide products at low cost.
[0021]
According to invention of Claim 2, reliable latching can be performed by simple structure.
[0022]
According to invention of Claim 3, a long top-plate rear member can be manufactured at low cost by the structure where an edge part is complicated.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a desk to which the present invention is applied.
FIG. 2 is a partially enlarged vertical side view showing a locked state of a desk rear plate and a top plate rear member.
FIG. 3 is a front view of the top plate rear member.
FIG. 4 is an enlarged plan view showing the upper surface of the rear portion of the top plate support and the upper surface of the rear plate.
FIG. 5 is an exploded front view of main parts showing a modification of the present invention.
FIG. 6 is a longitudinal side view of the assembled state.
[Explanation of symbols]
(A) Desk
(1) Top plate support
(2) Top plate
(3) Wiring space (opening)
(4) Rear plate
(4a) Top surface
(5) Dharma hole
(5a) Large diameter circular hole
(5b) Small-diameter oblong hole
(6) Top plate rear member
(7) Intermediate material (intermediate part)
(8) End member (end)
(8a) Insertion part
(9) Stepped pin
(9a) Head
(9b) Step
(10) Protruding piece
(11) Small hole
(12) Screw hole
(13) Set screw
(14) Upper half
(15) Locking claw
(16) Lower half
(17) Locking claw
(18) Locking tool
(19) (20) Square hole

Claims (3)

A rear plate is disposed at the rear end between the left and right top plate supports, and a top plate having a short depth is disposed on the top surface of the top plate support so as to leave a space in the rear portion. In the desk which arrange | positions a top-plate rear member in an edge part and forms the opening for wiring introduction between the rear-end part of the said top plate, and the said top-plate rear member,
The lower surface of the intermediate portion of the rear member of the top plate is locked to the upper surface of the rear plate and the top plate support body so as to be immovable in the vertical and front-rear directions by the locking means, and the left and right end portions are supported by the top plate An attachment structure for a rear member of a top plate in a desk, characterized by being fixed to a body. The locking means includes a stepped pin provided on any one of the top plate rear member, the top plate support and the rear plate, and a small diameter continuous hole member provided on the other side and the large diameter circular hole portion. It is formed by an oval hole portion, and the stepped pin is inserted into the large-diameter circular hole, and the step portion is moved to the small-diameter oval hole so as to be locked together. The mounting structure of the top plate rear member in the desk of Claim 1. The mounting structure of the top plate rear member in a desk according to claim 1 or 2, wherein the top plate rear member is configured by joining end members made of injection molded resin to left and right ends of an intermediate material made of extruded resin.

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