JP3462421B2 - Opening / closing lid structure for furniture - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening / closing lid structure for furniture in which an opening formed in furniture for storing or inserting articles can be opened and closed by a lid plate pivotally attached to the peripheral edge of the opening. The present invention is particularly effective when applied to a top plate of an office desk on which OA equipment is placed.

[0002]

2. Description of the Related Art If the power supplies of OA equipment placed on the top plate of an office desk and cables such as signal lines and telephone lines are messed around on the top plate, the appearance will be poor and the work efficiency will be improved. Is reduced. Therefore, a cable duct is installed under the top plate,
It is known that cables are drawn into a cable duct through an opening provided on a top plate surface.

[0003]

In this case, since the appearance of the cable is not good if it is left open,
Although the inlet is closed with a lid plate that is flush with the top plate surface, the conventional lid plate is generally simply removable, and it is necessary to remove the lid plate when using it. And it's not easy to use. Furthermore, if the cover plate is left removed when the cable is pulled in, it may be lost or damaged.

These problems can be solved by making the cover plate pivotally attached so that it can be opened and closed.
In this case, a lock means for holding the lid plate in the opening direction by a torsion coil spring and holding it in a fully closed state and a means for releasing it are required, which increases the number of parts and the number of assembling steps, and the release knob is required. Since it is installed on the top plate surface, the appearance is impaired and the operability is not good.

The present invention has been devised to solve the above-mentioned problems of the prior art, and its main purpose is to:
The opening and closing lid structure of furniture that can open and close the opening opened in furniture such as office desks with the lid plate pivotally attached to the peripheral edge,
The manufacturing cost is low, the usability is good, and the appearance is good.

[0006]

In order to achieve such an object, according to the present invention, an opening / closing of furniture in which an opening formed in the furniture can be opened / closed by a cover plate pivotally attached to a peripheral portion of the opening. In the lid structure, the opening is elongated in one direction.
The lid plate has a side edge in the longitudinal direction that is the periphery of the opening.
Is pivotally secured to the part, and biasing retained in the state of the fully closed and fully opened by a spring member spring bias is reversed at the opening and closing intermediate position of their
And the lid plate is a part of the opening.
Is provided in a manner to close the
The edge of the opening or the edge of the lid plate facing the
Cover with an elastically deformable eaves plate protruding from the
The lid plate and the eaves along the longitudinal direction of the opening.
A plate was provided . According to this, the lid plate can be held in the fully closed and fully opened states with a simple configuration,
The usability can be improved without significantly increasing the manufacturing cost.

In particular, the spring member in the opening / closing lid structure of the furniture includes the first spring receiving portion provided on the lid plate side and the second spring receiving portion provided on the main body side member facing the first spring receiving portion. The spring receiving portion is configured to include a pair of mounting portions that engage with the spring receiving portion, and a resilient portion that connects the mounting portions to each other. The mounting portion is provided with respect to each of the first and second spring receiving portions. It is possible to adopt a configuration in which the lid plate is urged by the resilient portion while being pivotally mounted and pivoting about the second spring receiving portion on the main body side as a fulcrum with the swing of the lid plate. According to this, the lid plate can be smoothly opened and closed. In this case, it suffices to bring the spring bearing portion and the mounting portion into contact with each other through a cylindrical surface having an axis line parallel to the pivot axis that supports the lid plate. Therefore, the manufacturing cost can be reduced.

Further, the spring member in the opening / closing lid structure of the furniture is integrally formed of a highly elastic synthetic resin material, and the resilient portion is formed in a ring shape with one side open. At the same time, the mounting portion may be provided on each of a pair of legs that extend outward in the radial direction from the open end of the resilient portion, which facilitates manufacturing. The manufacturing cost can be further reduced.

Furthermore, in the opening / closing lid structure for furniture, the first spring receiving portion is integrated with the lid plate,
The second spring receiving portion is integrated with a member on the main body side,
It is possible to adopt a structure formed in a constant cross section in the axial direction of the pivot shaft that supports the lid plate, respectively. According to this, since it can be obtained by extrusion molding or roll molding of an aluminum alloy or the like, the manufacturing cost is further improved. It can be reduced.

Further, the lid plate is provided in such a manner that a part of the opening is closed, and the remaining opening portion is projected from the peripheral edge portion of the opening facing the lid plate or the tip edge portion of the lid plate. The structure is such that it is covered with an elastically deformable eaves plate .
By pushing the eaves board with a finger, it can be elastically deformed into an appropriate shape and the finger can be pulled open by putting the finger on the side edge of the lid plate. No cutouts or cutouts are required, resulting in a better appearance.

In addition, when inserting the cable,
When the cover plate is fully closed, the eaves plate is elastically deformed into an appropriate shape so that the cable can be inserted, and the cover plate does not get in the way when the cable is inserted, and the appearance is good. Further, by providing the lid plate and the eaves plate along the longitudinal direction of the opening formed to be long in one direction, the cable can be inserted at any position in the longitudinal direction of the opening, which is easy to use. Become.

[0012]

DETAILED DESCRIPTION OF THE INVENTION The configuration of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 shows an office desk to which an opening / closing lid structure according to the present invention is applied. Here, a cable duct assembly having a cable duct A in which a cable such as a power supply / signal cable of an OA device placed on the top plate 1 and a telephone line is housed inside the rear edge of the top plate 1 is provided. Two are provided.

On the upper surface of the cable duct assembly 2,
An elongated opening 3 is provided along the longitudinal direction, and the opening 3 can be opened and closed by a strip-shaped lid plate 4. The lid plate 4 is pivotally attached at its longitudinal side edge to the peripheral edge of the opening 3, and a large number of cables can be stored in the cable duct A by opening the lid plate 4 upward. The cable drawn into the cable duct A can be drawn downward from a hole formed in the lower surface of the cable duct assembly 2.

As shown in detail in FIG. 2, the cable duct assembly 2 has a case body 6 having an open upper surface,
A cable duct A is defined therein. Case body 6
A holder 7 that holds the lid plate 4 is housed therein.
The case body 6 is composed of an outer plate 9 and an inner plate 10, and is fastened to the top plate frame 11 with screws 12, so that the holder 7
Are fastened to the inner plate 10 of the case body 6 with screws 13. The outer plate 9 and the inner plate 10 forming the case body 6 are
It can be obtained by bending a steel plate. Holder 7
Has a groove-shaped cross section in which the lid plate 4 side is opened, and the spring urging force is reversed inside the lid plate 4 at the intermediate position of opening and closing to keep the lid plate 4 in the fully closed and fully opened states. Spring 15
Is housed.

The lid plate 4 has a pivotally attached portion 1 having a C-shaped cross section.
6 is provided, and this pivotally attached portion 16 is fitted to a pivot shaft 17 having a circular cross section formed at the upper edge portion of the open portion of the holding body 7, so that the cover plate 4 has a required angular range (here, It is possible to swing at 60 °. The lid plate 4 is provided so as to close a part of the opening 3 of the case body 6, and the remaining opening portion is covered with a canopy plate 18 protruding from the facing opening edge. The lid plate 4 and the eaves plate 18 are provided such that their surfaces are flush with the top plate surface 20.

The eaves plate 18 is made of a soft synthetic resin material or rubber material so as to be hollow, so that the cable can be elastically deformed into an appropriate shape and the cable can be drawn into the cable duct A at an arbitrary position. Has become. Further, by pushing the eaves plate 18 with a finger, the cover plate 4 can be elastically deformed into an appropriate form and the finger can be pulled on the side edge of the lid plate 4 to pull out the lid plate 4. It doesn't have to be provided on the top of the
It looks good. The eaves plate 18 is fitted and fixed in the mounting groove 23 of the mounting member 22. The mounting member 22 is fixed by press fitting into a mounting groove 25 of a mounting plate 24 interposed between the case body 6 and the top plate frame 11.

The spring 15 housed inside the holder 7 is
A ring-shaped elastic member 27 with one side open, and this elastic member 2
7 has a split ring shape consisting of a pair of legs 28 and 29 extending outward in the radial direction from the open end of 7, and is integrally molded of a synthetic resin material rich in elasticity. One (upper) leg portion 28 is engaged with the first spring receiving portion 31 protruding from the pivotally attached portion 16 of the lid plate 4 to the pivot shaft 17, and the other (lower side) leg portion 29 is The first spring receiving portion 31 is engaged with the second spring receiving portion 32 formed at the lower edge portion of the opening of the holding body 7 so as to protrude from the bottom surface of the cable duct so as to face the first spring receiving portion 31.・ Second double spring receiving portions 31.3
A spring 15 is mounted between the two in a compressed state.

Both spring receiving portions 31 and 32 have a circular cross section, and correspondingly, the leg portions 28 and 29 are provided with mounting portions 33 and 34 having a substantially C-shaped cross section.
The concave surface of 3.34 and the outer peripheral surface of the spring receiving portions 31, 32 are in contact with each other via the cylindrical surface so as to be slidable in the circumferential direction. By forming the mounting portions 33 and 34 with a required width in the axial direction of the spring receiving portions 31 and 32, the spring 15 can be stably expanded and contracted.

The spring 15 is a movable first spring receiving portion 31.
Is contracted most at an intermediate position located on a straight line connecting the centers of the pivot 17 and the second spring receiving portion 32, and the spring biasing force is reversed at this intermediate position. That is, if the first spring receiving portion 31 is on the lid plate 4 side from the intermediate position, the lid plate 4 is elastically urged in the closing direction, and the first spring is placed on the side opposite to the lid plate 4 with the intermediate position interposed therebetween. If the receiving portion 31 is provided, the lid plate 4 is elastically biased in the opening direction. In the fully closed state, the pivot 1
The edge of 6 on the side opposite to the cover plate 4 is regulated by the base of the pivot 17 so that the cover plate 4 is held at a predetermined angle flush with the top plate surface 20. In the fully opened state, the connecting portion of the pivotally attached portion 16 with the lid plate 4 is restricted by the base portion of the pivot shaft 17 to hold the lid plate 4 at a predetermined angle, so that the cables can be stored or taken out efficiently.

The cover plate 4, the pivotally connecting portion 16, and the first spring receiving portion 3
1 and 1 are integrally formed, and these cover plate 4 and pivotally attached portion 16
The lid 36 including the first spring receiving portion 31 is formed in a constant cross section in the longitudinal direction. In addition, also in the holding body 7, the pivot 17 and the second spring receiving portion 32 have the spring 1
The side of the lid plate 4 for housing 5 is integrated through an open groove portion 37 and is formed in a constant cross section in the longitudinal direction. Therefore, the lid 36 and the holder 7 can be obtained by extrusion molding of an aluminum alloy or the like.

FIG. 3 shows a modification of the opening / closing lid structure for furniture according to the present invention.
It applies to the office desk shown in. Here, similarly to the above-described embodiment, the lid plate 43 is provided in such a manner as to partially close the opening 42 of the case body 41, and the remaining opening portion is closed by the elastically deformable eaves plate 44. However, unlike the above-described embodiment, the eaves plate 44 projects from the tip edge of the lid plate 43. The eaves plate 44 is fitted and fixed to a mounting groove 45 formed at the tip of the lid plate 43.

The lid plate 43 is integrally formed with the pivotally attached portion 16 and the first spring receiving portion 31 as in the above-described embodiment. The lid plate 43, the pivotally attached portion 16 and the first spring bearing portion 31 are integrally formed. A lid 46 including the portion 31 is formed in a constant cross section in the longitudinal direction. In addition, the pivot portion 16, the first spring receiving portion 31, the pivot 17, the second spring receiving portion 32, and the spring 15 have the same forms as those in the above-described embodiment.
The same reference numerals are given and the description is omitted.

Further, in this embodiment, the case body 41 is also formed with a constant cross section in the longitudinal direction, and can be obtained by extrusion molding of an aluminum alloy or the like. The case body 41 includes a first division body 50 that is fastened to the top plate frame 48 with a screw 49, and a screw 51.
And a second split body 52 fastened at. The second spring receiving portion 32 is provided on the first divided body 50, and the pivot 17 is provided on the second divided body 52.

Further, in this embodiment, in order to hold the cover plate 43 in a predetermined fully opened state, the stopper 54 hangs from the upper wall 53 of the second divided body 52 which constitutes the case body 41. As a result, the spring 15 is restricted from tilting upward. In the fully closed state, the spring 15 causes the second split body 5 to
The lid plate 43 is held at a predetermined angle that is flush with the top plate surface 20 by being regulated by the lower wall 55.

The example in which the present invention is applied to an office desk has been described above, but the present invention is not limited to this, and can be applied to, for example, a partition set up indoors, a so-called partition or cabinet. Is. Further, the present invention is not limited to the purpose of inserting cables, but can be widely applied to the openings provided for the purpose of accommodating and inserting various other articles.

[Brief description of drawings]

FIG. 1 is a perspective view showing an office desk to which an opening / closing lid structure for furniture according to the present invention is applied.

FIG. 2 is an enlarged vertical cross-sectional view of the opening / closing lid structure shown in FIG.

FIG. 3 is a sectional view similar to FIG. 2, showing a modified example of the opening / closing lid structure for furniture according to the present invention.

[Explanation of symbols]

1 Top plate 2 cable duct assembly 3 openings 4 lid plate 6 case body 7 Holder 9 outer plate 10 Inner plate 11 Top plate frame 12.13 screws 15 springs 16 pivot 17 Axis 18 eaves board 20 Top plate surface 22 Mounting member 23 mounting groove 24 Mounting plate 25 mounting groove 27 firing section 28.29 legs 31 ・ 32 Spring receiving part 33/34 mounting part 36 Lid 37 Groove 41 case body 42 opening 43 lid plate 44 eaves board 45 mounting groove 46 lid 48 Top plate frame 50/52 division 51 screws 53 Upper wall 54 Stopper 55 Lower wall A cable duct

Claims (4)

(57) [Claims] 1. An opening / closing lid structure for furniture in which an opening formed in the furniture can be opened and closed by a cover plate pivotally attached to a peripheral portion of the furniture, wherein the opening is elongated in one direction, The lid plate
A side edge in the longitudinal direction is pivotally attached to the peripheral edge of the opening, and is biased to a fully closed or fully open state by a spring member whose spring biasing force is reversed at the intermediate position of opening and closing. If you try to keep it
In addition, the lid plate is provided so as to close a part of the opening.
The remaining opening to the perimeter of the opening facing the lid plate.
Elastic deformations protruding from the edge or the edge of the lid plate.
In the longitudinal direction of the opening, cover it with a shapeable eaves board.
An opening / closing lid structure for furniture, characterized in that the lid plate and the eaves plate are provided along the lid plate . 2. The spring member is engaged with a first spring receiving portion provided on the lid plate side and a second spring receiving portion provided on a body side member facing the first spring receiving portion, respectively. And a resilient part that connects the mounting parts to each other. The mounting part is pivotally attached to the first and second spring receiving parts, and the lid plate is provided. 2. The elastic member biases the lid plate with a spring while the second spring bearing portion on the main body side is rotated as a fulcrum in accordance with the swinging of the body. Opening / closing lid structure for furniture. 3. The spring member is integrally formed of a synthetic resin material having high elasticity, the resilient portion is formed in a ring shape with one side open, and the mounting portion is resilient. The opening / closing lid structure for furniture according to claim 2, wherein the opening / closing lid structure is provided on each of a pair of legs extending radially outward from an open end of the starting portion. 4. The axis line of a pivot for supporting the cover plate, wherein the first spring support part is integrated with the cover plate, and the second spring support part is integrated with a main body side member. The opening / closing lid structure for furniture according to claim 2 or 3, wherein the opening / closing lid structure is formed with a constant cross section in a direction.