JP3640036B2 - Duct device on the top plate - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a structure of a duct formed at the rear part of a desk top for cord wiring, board attachment, and the like, and more particularly to a duct structure that prevents the members constituting the duct from being lifted.
[0002]
[Prior art]
The duct provided at the rear part of the top plate of the desk is formed by attaching the rear edge frame member to the rear part of the top plate with a connecting member with a gap. By covering the cover material made of the material, the appearance is improved. In addition, a duct covering material such as a duct cover is attached between the rear portion of the top plate and the cover material to conceal the wiring in the duct.
[0003]
In conventional duct system, the cover material, by utilizing the elasticity of the cover member itself has are attached, et al by fitting the outer surface of the trailing edge frame member.
[0004]
[Problems to be solved by the invention]
However, the conventional duct structure has the following problems.
mounting of the cover member to (a) the trailing edge frame material, because it is made by only the elasticity of the cover member, or deformed during the cover material is prolonged, easily deformed by a slight external force, this deformation There is a possibility that the cover material peels off from the trailing edge frame material and floats upward.
[0005]
(b) When a duct closing material is used, the duct closing material is engaged with the cover material and is mounted. Therefore, when removing the duct closing material, the cover material is likely to be lifted off at the same time, and the duct closing material is difficult to remove. .
[0006]
(c) Since the duct closing material is simply engaged with the cover material , the duct closing material is easily lifted from the cover material , and this lifting makes it impossible to conceal the duct.
[0007]
In view of the above-described problems of the conventional duct structure, the present invention provides a duct device for a top board that reliably prevents the members of the duct such as a cover material and a duct closing material from being lifted. It is aimed.
[0008]
[Means for Solving the Problems]
According to the present invention, the above problem is solved as follows.
(1) A rear edge frame member attached to the rear part of the top plate with a gap for a duct, a cover material covering the outer surface excluding the front part of the rear edge frame member, and a front part of the rear edge frame member And a lifting prevention tool that engages with the upper front surface of the cover member to prevent the cover member from lifting.
[0009]
(2) In the above item (1), the anti-lifting device can be mounted on the rear edge frame member by reversing the front and back, and the engagement piece that engages with the upper front surface of the cover member at the time of each reversal mounting. Is provided at the opposite part of the lifting prevention tool.
[0010]
(3) In the above paragraph (1) or (2), a duct closing material is provided which covers the duct by being hung over the rear part of the top plate and the cover material, and the duct closing material is lifted by engaging with the duct closing material. An engagement lip portion to be prevented is projected from the lifting prevention tool.
[0011]
(4) In any one of the above items (1) to (3), two or more duct closing materials having different structures can be attached, and the locking pieces are engaged with the rear end portions of the respective duct closing materials. Is projected on the upper front surface of the cover material.
[0012]
(5) In the above item (4), the cover member locking piece serves as a receiving surface for supporting the rear end portion of one duct closing material, and the rear end portions of other duct closing materials are engaged. The holding surface prevents the other duct closing material from lifting.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
1 to 4 show an embodiment of the present invention, and a rear edge frame member (2) is attached to the rear portion of a desk top plate (1). The cover material (3) can be covered from the rear.
[0014]
(4) is a lifting prevention tool for attaching the cover material (3) in a lifting prevention state, and details thereof will be described later.
[0015]
The rear edge frame material (2) is formed with a frame body (8) having a forward U-shaped cross section, and a bracket (9) formed into a forward U-shape and fitted and fixed from the front surface of the frame body (8). The bracket (9) is fixed with a set screw (6) to the rear end of the connecting member (5) mounted at appropriate intervals in the left-right direction at the rear end of the top plate (1). Yes.
[0016]
By this connecting material (5), the rear edge frame material (2) is spaced from the top plate (1), and the space between the rear edge of the top plate (1) and the rear edge frame material (2). However, a duct (7) for wiring a cord (not shown) or the like is provided.
[0017]
The lifting prevention tool (4) is mounted on the bracket (9) provided on the front surface of the rear edge frame member (2). In order to perform this mounting, a cut-and-raised hook (10) that is partially cut and raised is formed on the bottom piece of the bracket (9) at intervals in the left-right direction and corresponds to the cut-and-raised hook (10) forming portion. On the rear piece of the bracket (9), as shown in FIG. 2, a through window (11) through which the lifting prevention tool (4) partially penetrates is formed.
[0018]
As shown in FIGS. 1 and 2, the anti-lifting device (4) is formed by extending an upper piece of a block portion (12) having a hollow rectangular cross-sectional shape when viewed from the side in the front-rear direction. Both ends of the armature are raised and then bent horizontally in the opposite directions to form a first engagement piece (14) and a second engagement piece (15).
[0019]
Both engagement pieces (14) and (15) are symmetrically located with respect to the center line of the block portion (12), and hook pieces (17) formed on the front edge of the upper piece of the cover material (3), respectively. It can be engaged with.
[0020]
The first engaging piece (14) is provided with an engaging lip portion (16) extending horizontally in the opposite direction to the engaging piece (14).
[0021]
The bottom surface of the block portion (12), the engaging hole (18) is provided in the engaging hole (18), is cut and bent engaging hooks (10) of the trailing edge frame member (2) Rukoto By doing so, the lifting prevention tool (4) is fixed to the trailing edge frame member (2).
[0022]
The cover material (3) is made of a forward-facing U-shaped decorative material having an open front surface, and is placed on the rear edge frame material (2) from the rear side of the rear edge frame material (2), thereby removing the front surface portion. entire outer surface of the trailing edge frame member (2) is more covered with the cover member (3), the exposed portion of the trailing edge frame member (2) is no longer the appearance is improved.
[0023]
Top front of the cover member (3) along the left-right direction, are formed on the anteriorly facing U-shaped, the lower piece that can engage with the first engagement piece of floating prevention member (4) (14) has a hook piece (17), likewise upper piece is made long locking piece than hooks (17) and (19).
[0024]
The lifting prevention tool (4) of this embodiment is attached to the trailing edge frame member (2) as shown in FIG. 2 or inverted as shown in FIG.
[0025]
In the embodiment of FIG. 2, the anti-lifting device (4) is inserted into the front surface portion of the rear edge frame member (2) from the second engagement piece (15) side, and the second engagement piece ( 15), as well as through the bracket (9) through windows (11), engages with the engaging hole (18) of the cut-and-raised hook (10) is floating prevention member of the bracket (9) (4), The wearing is made.
[0026]
In this state, the first engagement piece (14) and the engagement lip portion (16) of the lifting prevention tool (4) are extracted in front of the rear edge frame member (2). (3) is fitted from the rear side of the rear edge frame member (2).
[0027]
The hook piece (17) formed on the upper front surface of the cover material (3) is engaged with the first engagement piece (14) of the lifting prevention tool (4), and the cover material (3) is firmly fixed. , That lift is prevented.
[0028]
In the embodiment of FIG. 2, the first duct cover material (20), by passing over the rear and the cover member of the top plate (1) (3), are we row hiding duct (7).
[0029]
FIG. 3 shows the first duct covering member (20), and the connecting portion (21) in which the end portion on the front end side (left end side) is connected directly or indirectly to the top plate (1). The end on the rear end side is a contact portion (22) that contacts the locking piece (19) of the cover material (3) from the upper surface. A plurality of partition portions (23) and (23) depending on the space are formed, and a cord is passed through a space portion partitioned by the partition portions (23) and (23).
[0030]
In such a structure, as shown in FIG. 2, the contact portion of the rear end portion of the first duct cover member (20) (22), from the upper surface to the engaging piece of the cover member (3) (19) Thus, the locking piece (19) serves as a receiving surface for supporting the first duct covering member (20), and the sinking of the duct covering member (20) is prevented by this support.
[0031]
Furthermore, a contact piece (24) is formed at the rear end portion of the first duct covering member (20) by bending the lower end portion of the partition piece (23) located on the rear side upward at an acute angle. The contact piece (24) is in contact with the engagement lip portion (16) of the lifting prevention tool (4) from the lower surface. This abutment, since the first duct cover member (20) is restrained, that the first duct cover member (20) is prevented from inadvertently floating not name.
[0032]
FIG. 4 shows a mode in which a second duct covering material (25) having a structure different from that of the first duct covering material (20) is used.
Second duct cover member (25), like the first duct cover member (20), by being passed over the rear and the cover member of the top plate (1) (3), hides a duct (7) doing.
[0033]
The anti-lifting device (4) located at the mounting site of the second duct covering material (25) is reversed front and back with respect to the state of FIG. Therefore, the first engagement piece (14) and the engagement lip (16) extends through the through window of the cover member (3) (11), while being accommodated in the cover member (3) within the The engagement piece (15) of 2 is located outside the cover material (3), and the hook piece (17) of the cover material (3) is engaged with the second engagement piece (15). As in FIG. 2, the cover material (3) is prevented from being lifted.
[0034]
Thus, even if the anti-lifting device (4) is turned upside down, it engages with the cover material (3) to prevent the uplifting. The lifting of the material (3) can be surely prevented.
[0035]
A socket (26) is attached to the center of the second duct covering material (25), and a plug (27) from an electronic device is attached to the socket (26) so as to make an electrical connection. It has become.
[0036]
The connecting portion (28) at the front end of the second duct covering member (25) is directly or indirectly attached to the top plate (1), while a contact portion (29) is formed at the rear end. The contact portion (29) is in contact with the locking piece (19) of the cover material (3) from below.
[0037]
By such contact, the locking piece (19) of the cover member (3) serves as a holding surface that prevents the second duct covering member (25) from being lifted, and when the plug (27) is removed. even pulling force acts on the second duct cover member (25), it is not name that the second duct cover member (25) is lifted.
[0038]
【The invention's effect】
According to the present invention, the following effects can be achieved.
(a) According to the first aspect of the present invention, since the lifting prevention tool mounted on the trailing edge frame member engages with the upper front surface of the covering member that covers the trailing edge frame member, the lifting of the covering member is prevented.
[0039]
(b) According to the invention of claim 2, the lifting prevention tool can be reversed in the front-rear direction, and even during this reversal, since it is engaged with the cover material, the lifting of the cover material can be reliably prevented.
[0040]
(c) According to the invention of claim 3, since the engaging lip portion formed on the lifting prevention tool engages with the duct covering member, the lifting of the duct covering member can be prevented.
[0041]
(d) According to the invention of claim 4, since the locking pieces of the cover material are engaged with the plurality of duct covering materials having different structures, the plurality of duct covering materials can be attached.
[0042]
(e) According to the invention of claim 5, the sinking of one duct covering material can be prevented, while the rising of the other duct covering material can be prevented.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of an embodiment of the present invention.
FIG. 2 is a longitudinal sectional side view showing a mounting state of one duct covering member.
FIG. 3 is a longitudinal side view of one duct covering member.
FIG. 4 is a longitudinal sectional side view showing a mounting state of another duct covering material.
[Explanation of symbols]
(1) Top plate
(2) Trailing edge frame material
(3) Cover material
(4) Lifting prevention device
(5) Connecting material
(6) Set screw
(7) Duct
(8) Frame body
(9) Bracket
(10) Cut and raise hook
(11) Through window
(12) Block part
(13) Extension part
(14) First engagement piece
(15) Second engagement piece
(16) Engagement lip
(17) Hook piece
(18) Engagement hole
(19) Locking piece
(20) First duct covering material
(21) Connecting part
(22) Contact part
(23) Partition
(24) Contact piece
(25) Second duct covering material
(26) Socket
(27) Plug
(28) Connecting part
(29) Contact part

Claims (5)

  The rear edge frame material attached with a gap for the duct at the rear part of the top plate, the cover material covering the outer surface excluding the front surface part of the rear edge frame material, and the front edge part of the rear edge frame material, A duct device for a top board, comprising: a lifting prevention tool that engages with an upper front surface of a cover material to prevent the cover material from lifting.   The lifting prevention tool can be reversed and attached to the rear edge frame material, and an engagement piece that engages with the upper front surface of the cover material is provided at the opposite part of the lifting prevention tool at each reverse mounting. The duct apparatus for a top plate according to claim 1.   Provided with a duct closing material that covers the duct by being hung over the rear part of the top plate and the cover material, and an engagement lip portion that engages with the duct closing material to prevent the duct closing material from lifting up is provided on the lifting prevention tool. The duct apparatus for a top plate according to claim 1 or 2, wherein   Two or more duct closing materials having different structures can be mounted, and a locking piece that engages the rear end portion of each duct closing material protrudes from the upper front surface of the cover material. The duct apparatus in the top plate in any one of claim | item 1-3.   The cover piece is a receiving surface that supports the rear end of one duct closing material, and the rear end of the other duct closing material engages to prevent the other duct closing material from lifting. The duct device for a top plate according to claim 4, wherein the duct device is a pressing surface.

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