JP4347623B2 - Closing device for opening of wiring in desk etc. - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a closing device for closing a cord insertion opening formed between a rear end portion of a top plate such as a desk (including a table) or opposed surfaces of front and back top plates.
[0002]
[Prior art]
As this type of conventional closing device, a wiring duct is provided below a cord insertion opening formed at the rear end portion of the top plate, and a cover support portion is provided at the inner bottom portion of the wiring duct. There is one in which a cover member (duct cover) that closes at least a part of the opening is supported and attached to the upper end (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 2000-287758
[Problems to be solved by the invention]
In the conventional device for closing an opening for wiring described in Patent Document 1, since a plurality of cover support portions are provided at the inner bottom portion of the wiring duct, it becomes an obstacle, and the wiring space of the cord is reduced. As a result, the wiring capacity of the cord is reduced and the wiring work may be disturbed.
[0005]
Further, since the cover support portion is locked to the lower surface of the top plate and the curtain plate and is prevented from moving in the left-right direction, it is necessary to provide a locking hole in the top plate and the curtain plate. The processing cost increases, and the top plate and curtain cannot be shared with those of ordinary desks that do not have openings for wiring insertion, so it is necessary to produce two types of top and curtain plates. is there.
[0006]
The present invention has been made in view of the above problems, eliminates the obstacle below the cord insertion opening in the top plate, forms a wide wiring space, and performs any processing on the top plate, curtain plate, etc. It is an object of the present invention to provide a device for closing a wiring opening in a desk or the like that can reduce the cost.
[0007]
[Means for Solving the Problems]
According to the present invention, the above problem is solved as follows.
(1) In a desk or the like in which a top plate is placed on a support rod facing the front-rear direction of the upper ends of the left and right legs, and an opening for inserting a wiring cord facing the left-right direction is provided on the top plate. A support member having a holding means on the upper side is attached to the opposing surfaces of the left and right support rods below the opening, and the holding means of both the support members project from the lower surfaces of the left and right ends of the cover member that closes the opening. A support part is detachably engaged and supported.
[0008]
(2) In the above item (1), the holding means is a pair of front and rear holding pieces facing in the left-right direction, and a pair of front and rear support legs that fits the inner and outer surfaces of the holding pieces. A piece.
[0009]
(3) In the above item (2), the supporting foot piece is provided so as to protrude over the entire length in the left-right direction of the cover member.
[0010]
(4) In the above item (2) or (3), at least one of the holding piece and the supporting foot piece can be elastically deformed in the front-rear direction and can be engaged with and disengaged from each other on their fitting surfaces. A concave portion and a convex portion that are fitted to each other are provided.
[0011]
(5) In any one of the above items (1) to (4), a plurality of engagement grooves that are substantially groove-shaped facing in the front-rear direction are provided on the inner surface of each support rod, and the plurality of insertion grooves are inserted into the engagement grooves. The support member is fixed to the inner side surface of the support rod by screwing screws in the left and right direction penetrating the front and rear ends of the support member into the plate nut.
[0012]
(6) In any one of the above items (1) to (5), a locking groove facing in the front-rear direction is provided on the upper surface of the support rod, and the locking groove projects outward from the upper end of the support member. The engaging claw at the side end of the engaging piece is engaged.
[0013]
(7) In any of the above items (1) to (6), the cover member is attached to at least one of the hard cover main body and the front and rear edges thereof, and is an edge that is elastically deformable in the vertical direction. It shall consist of materials.
[0014]
(8) In the above item (7), an engagement groove facing in the left-right direction is provided at the edge of the cover body, and the base end portion of the edge member is detachably fitted into the engagement groove.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of a connecting desk (1) to which the present invention is applied. The connecting desk (1) is a plurality of rectangular (4 Sheet top plate (2) and three legs (3) for supporting the left and right ends of each top plate (2).
[0016]
Each leg (3) has a pair of front and rear leg rods (4) and (4) facing the upper and lower ends of the pair of front and rear leg rods (4) facing each other in a plan view having a substantially rectangular cross section. It consists of a horizontal support rod (5) that faces between the front and back and faces in the front-rear direction.
[0017]
The length of the center leg (3) in the front-rear direction is shorter than that of the legs (3) at the left and right ends, and supports the center of the lower surface of the top plate (2) facing left and right. Yes.
[0018]
The opposing surfaces of the horizontal support rods (5) opposed to the left and right are joined by a pair of front and rear horizontal coupling rods (6).
[0019]
Each top plate (2) is placed and fixed on a horizontal support fitting (7) fixed to the upper end of each leg rod (4).
[0020]
Between the opposing surfaces of the front and rear top plates (2), an opening (8) for wiring cords such as OA equipment downward is formed continuously in the left-right direction. It is blocked by the closing device (9) of the invention.
[0021]
The closing device (9) includes two left and right cover members (10) and (10), and a pair of left and right support members (11) and (11) that support and fix both side ends thereof.
[0022]
As shown in the enlarged cross-sectional view of FIG. 2, the cover member (10) is fixed to the elongated flat plate-like cover body (12) formed by, for example, drawing of an aluminum alloy, and the front and rear edges thereof. It consists of a flexible synthetic resin rim material (13) (13), with the center of the lower surface of the cover body (12) facing left and right and inwardly facing the middle of the outer surface in the vertical direction A pair of front and rear support legs (15) and (15) having a locking groove (14) recessed into the bottom are projected downward.
[0023]
A short stopper piece (16) projects outwardly from the outer surface of the upper end portion of each support foot piece (15).
[0024]
Each edge member (13) has an inner base end portion fitted in outward U-shaped engagement grooves (17) formed at both front and rear ends of the cover body (12).
[0025]
Each edge member (13) is gradually thinned toward the tip, and is easily bent in the vertical direction.
[0026]
At the left and right ends of the cover body (12), mounting holes (not shown) for attaching the desktop panel (18) as an option as shown by the two-dot chain line in FIG. It is blocked.
[0027]
As shown in FIGS. 3 to 5, the pair of left and right support members 11 are made of hard synthetic resin so as to form a generally outward U shape in plan view with their opposing surfaces and lower ends opened. Vertical attachment pieces (20) and (20) are continuously formed outwardly at the front and rear edges formed.
[0028]
At the center of the upper piece (21) of the support member (11), a pair of front and rear holding pieces (22) and (22) facing each other in parallel with each other are erected integrally. The parts are connected by a horizontal piece (24) having a through hole (23) for supporting the desktop panel (18).
[0029]
In addition, at the upper ends of the front and rear mounting pieces (20), horizontal locking pieces (25) and (25) extending outward are integrally projected so as to be continuous with the upper surface of the upper piece (21). A locking claw (25a) is continuously provided downward at the tip of these.
[0030]
The dimension between the front and rear holding pieces (22) is almost the same as the dimension between the outer surfaces of the two supporting foot pieces (15) and (15) in the cover body (12), and both supports between the holding pieces (22). The foot pieces can be fitted from above (see FIG. 2).
[0031]
At the upper end of the front and rear holding pieces (22), a slit (26) with a U-shape facing downward is formed in a part of it, and elastically deformed in the front-rear direction inwardly surrounded by it. Possible engagement pieces (27) are formed, and the supporting foot pieces (15) and (15) are fitted between the holding pieces (22) at the upper ends of the opposing surfaces as shown in FIG. At this time, a locking protrusion (28) that elastically engages with the locking groove (14) is provided so as to protrude inward.
(29) is a reinforcing rib formed on the back surface of the support member (11).
[0032]
Through holes (30) and (30) are formed in the upper end portion of the front mounting piece (20) and the lower end portion of the rear mounting piece (20).
[0033]
Next, the attachment procedure of the closure device (9) will be described.
First, the support member (11) is attached between the opposed surfaces of the horizontal support rod (5) of the leg (3) between the openings (8) of the front and rear top plates (2) as follows.
[0034]
As shown in FIGS. 4 and 5, first, the lower surface of the front and rear locking pieces (25) of the support member (11) (only one is shown for left-right symmetry) is attached to the inner end of the horizontal support rod (5). Placed on the upper surface of the part, the locking claw (25a) at the tip is inward in a pair of left and right locking grooves (31) (31) facing the front-rear direction formed on the upper surface of the horizontal support rod (5). The support member (11) is supported in a state where the front and rear mounting pieces (20) are in contact with the inner side surface of the horizontal support rod (6).
[0035]
Next, on the inner side surface of the horizontal support rod (6), the width of the opening is smaller than the width of the back, and there are approximately two groove-shaped engagement grooves (32), (32) facing the front-rear direction. The front and rear dimensions are longer than the groove width at the back of the engaging groove (32), and the vertical dimension is a dimension that can be fitted into the back, and further, the bottom corner of the front end and the top corner of the rear end After inserting the plate nuts (33) (33) with chamfered parts, the screws (34) (34) inserted through the through holes (30) of the front and rear mounting pieces (20) Thread toward 33).
[0036]
At this time, the plate nut (33) rotates obliquely in the vertical direction, and the chamfered portion comes into contact with the upper and lower opposing surfaces at the back of the engagement groove (32) and is prevented from rotating. Can be easily tightened with one hand.
[0037]
Thus, the support member (11) is fixed to the inner side surface of the horizontal support rod (5) with the front and rear holding pieces (22) protruding from the upper surface of the horizontal support rod (5).
[0038]
After attaching the support member (11) to the opposing surfaces of the left and right horizontal support rods (5), fit the ends of both sides of the support foot (15) of the cover body (12) between the holding pieces (22). The cover member (10) is moved to the left and right by engaging the locking groove (14) formed on the locking protrusion (28) of the engaging piece (27) of the holding piece (22). The support member (11) is fixed, and the opening (8) is closed.
[0039]
Cords such as OA equipment placed on the top plate (2) are wired downward through the opening (8) by elastically deforming the edge member (13) of the cover member (10) in either the upper or lower direction. can do.
[0040]
It is also possible to provide a wiring duct (not shown) having an upward U-shape when viewed from the side between the left and right horizontal support rods (5), and cords can be placed on this duct for wiring. Further, in the space (S) facing in the left-right direction surrounded by the both supporting foot pieces (15) of the cover body (12), both holding pieces (22) of the supporting member (11), and the horizontal piece (24), It is also possible to accommodate and wire the cords.
[0041]
As described above, in the above-described embodiment, the support member (11) is attached to the opposing surfaces of the horizontal support rod (5) in the left and right legs (3), and thereby the left and right ends of the cover member (10) are attached. Since the portions are supported and fixed, there are no obstacles except for both end portions below the opening (8), and a wiring space having a wide range of cords is formed. As a result, the wiring work of the cords can be easily performed, and the wiring capacity of the cords increases.
[0042]
In addition, since it is not necessary to apply any processing for attaching the cover member (10) to the top plate (2), the leg (3), etc., the top plate (2) and the leg (3) are attached to the closure device. It can be shared with other desks that do not require (9), and the closure device (9) can be easily retrofitted or removed from an existing connecting desk.
[0043]
In addition to closing the opening (8) formed in the connecting desk (1), the closing device (9) of the present invention is used for inserting a cord formed between the rear end of the top plate and the curtain plate in the desk alone. It can also be applied when closing the opening.
[0044]
In this case, the left and right horizontal support rods on the desk leg may be the same horizontal support rod (5) as described above.
[0045]
In the above embodiment, the both supporting foot pieces (15) of the cover body (12) are fitted to the inner surfaces of the both holding pieces (22) of the supporting member (11). The interval may be increased to fit the outer surface of the holding piece (22).
[0046]
At this time, the locking groove (14) and the locking ridge (28) may be opposite in the front-rear direction.
Also, the cover body (12) is made of a hard synthetic resin, and the supporting foot piece (15) can be elastically deformed in the front-rear direction, or both holding pieces (22) can be elastically deformed in the front-rear direction. For example, it is only necessary to provide the fitting surface with a concave portion and a convex portion that are detachably fitted to each other.
[0047]
The support foot piece (15) of the cover body (12) may be provided only at the left and right ends.
[0048]
【The invention's effect】
According to the first aspect of the present invention, the support members are attached to the opposing surfaces of the support rods facing the front and rear directions of the left and right legs, and both end portions of the cover member are supported by the both support members. Below the opening of the plate, there is no obstacle and a wide wiring space for cords is formed, which facilitates the wiring work and increases the wiring capacity of the cords.
[0049]
In addition, since the cover member is attached to the support rod of the leg via the support member, it is not necessary to apply any processing for attaching the cover member to the top plate or the like. And can be shared.
[0050]
According to the second aspect of the present invention, the cover member can be easily attached by simply pressing the cover member toward the support member from above, and the cover member can be easily removed.
[0051]
According to the invention described in claim 3, since the supporting foot piece acts as a reinforcing rib, the bending rigidity of the cover body is increased.
[0052]
According to the fourth aspect of the present invention, the cover member is prevented from being easily detached from the support member.
[0053]
According to the fifth aspect of the present invention, the support member can be easily attached and removed easily without providing a female thread hole or the like in the support rod.
[0054]
According to the invention of claim 6, since the support member can be fixed to the side surface of the support rod while being supported by the support rod, workability is improved.
Moreover, since the load which acts on a support member is received also by the upper surface of a support rod via a locking piece, the support strength of a cover member becomes large.
[0055]
According to the seventh aspect of the present invention, a heavy object such as an OA device can be placed on the upper surface of the cover main body, and the rim material is elastically deformed in the vertical direction, so that the cords can be placed at arbitrary positions in the horizontal direction. Therefore, it is possible to easily wire downward through the opening.
[0056]
According to the eighth aspect of the invention, it is easy to attach the edge member, and it is possible to easily replace the edge member with a different size corresponding to the width of the opening.
[Brief description of the drawings]
FIG. 1 is a perspective view of a connecting desk to which the present invention is applied.
2 is an enlarged longitudinal sectional side view taken along the line II-II in FIG. 1; FIG.
FIG. 3 is a perspective view of a support member.
FIG. 4 is a perspective view of the horizontal support rod and the support member before attachment.
FIG. 5 is an enlarged vertical side view of the VV line after attachment in FIG. 4;
[Explanation of symbols]
(1) Connecting machine
(2) Top plate
(3) Leg
(4) Legs
(5) Horizontal support rod (support rod)
(6) Horizontal connection rod
(7) Support bracket
(8) Opening
(9) Occlusion device
(10) Cover member
(11) Support member
(12) Cover body
(13) Edge material
(14) Locking groove (concave)
(15) Support footpad
(16) Stopper piece
(17) Engaging groove
(18) Desktop panel
(19) Cap
(20) Mounting piece
(21) Upper piece
(22) Holding piece
(23) Through hole
(24) Horizontal piece
(25) Locking piece
(25a) Locking claw
(26) Slit
(27) Engagement piece
(28) Locking ridge (convex)
(29) Reinforcement rib
(30) Through hole
(31) Locking groove
(32) Engagement groove
(33) Plate nut
(34) Screw
(S) Space

Claims (8)

In a desk or the like in which a top plate is mounted on a support rod facing the front and rear direction of the upper end of the left and right legs, and an opening for inserting a wiring cord facing the left and right direction is provided on the top plate, below the opening A support member having a holding means on the upper side is attached to the opposing surfaces of the left and right support rods, and support parts projecting from the lower surfaces of the left and right ends of the cover member closing the opening are attached to the holding means of both support members. A device for closing a wiring opening in a desk or the like, characterized by being detachably engaged and supported. The desk or the like according to claim 1, wherein the holding means is a pair of front and rear holding pieces facing in the left-right direction, and the support portion is a pair of front and rear supporting feet that are fitted to an inner surface or an outer surface of the both holding pieces. Device for closing an opening for wiring. The device for closing an opening for wiring in a desk or the like according to claim 2, wherein the supporting foot piece is provided so as to protrude over the entire length in the left-right direction of the cover member. At least one of the holding piece and the supporting foot piece can be elastically deformed in the front-rear direction, and the fitting surface is provided with a concave portion and a convex portion that are detachably fitted to each other. A device for closing a wiring opening in a desk or the like according to claim 2 or 3. A substantially dovetail-shaped engagement groove facing in the front-rear direction is provided on the inner surface of each support rod, and a plurality of plate nuts inserted into the engagement groove are provided with a left-right direction penetrating the front and rear ends of the support member. The device for closing an opening for wiring in a desk or the like according to any one of claims 1 to 4, wherein the supporting member is fixed to the inner side surface of the supporting rod by screwing the facing screw. A locking groove facing in the front-rear direction is provided on the upper surface of the support rod, and a locking claw at the side end of a locking piece protruding outward from the upper end of the support member is engaged with the locking groove. A closing device for a wiring opening in a desk or the like according to any one of claims 1 to 5. A cover member consists of a hard cover main body and the edge material attached to at least any one of the front-and-rear end edges and elastically deformable in the up-down direction. Closing device for wiring in a desk or the like. 8. A device for closing a wiring opening in a desk or the like according to claim 7, wherein an engagement groove facing in the left-right direction is provided at an edge of the cover body, and a base end portion of the edge member is detachably fitted into the engagement groove.

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