JPH0716631U - Desk top plate support structure - Google Patents

Abstract

(57) [Abstract] [Purpose] By devising the attachment of the damper mechanism, the entire storage space of the bookshelf can be utilized and articles can be easily taken in and out. [Structure] A desk body having a bookshelf portion that opens to the front and a fixed top plate 4 is swingably switched between a lying posture that projects forward in a state of being connected to the fixed top plate 4 and a standing posture that closes the opening of the bookshelf portion. A flexible movable top plate 8 is pivotally mounted, and a damper mechanism B that cushions the swinging motion of the movable top plate 8 from the standing posture to the lying posture is provided between the movable top plate 8 and the desk body. This damper mechanism B is installed on the lower surface of the fixed top plate 4 in the recess 4
The connecting member 16 on the movable portion side of the damper mechanism B is attached to the side portion 8a of the movable top plate 8 located below when the posture is switched to the standing posture.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 According to the present invention, a desk main body having a bookshelf portion that opens to the front and a fixed top plate has a tilted posture in which it projects forward in a state of being connected to the fixed top plate and a standing posture that closes the opening of the bookshelf portion. A movable top plate whose swing can be switched is pivotally mounted, and a damper mechanism is provided between the movable top plate and the desk body to buffer the swinging motion of the movable top plate from the standing posture to the lying posture. The present invention relates to a desk top plate support structure.

[0002]

[Prior art]

 Conventionally, a first bracket is attached to each of the inner surfaces of the left and right side plates of the bookshelf section, and a second bracket is attached to each of the left and right upper surface portions of the movable top plate. The above-mentioned damper mechanism was installed over the first bracket and the second bracket.

[0003]

[Problems to be solved by the device]

 In this conventional top plate support structure, not only each of the brackets but also the damper mechanism projects into the storage space of the bookcase, so not only does it hinder the loading and unloading of articles on the left and right sides, but also the effective storage space. Has the disadvantage of becoming narrow. The present invention has been made in view of the above-mentioned circumstances, and by devising the mounting of the damper mechanism, the entire storage space of the bookshelf can be utilized, and at the same time, articles can be easily taken in and out. The point is to be able to do.

[0004]

[Means for Solving the Problems]

 In order to achieve the above object, according to the present invention, a desk main body having a book shelf portion that opens to the front and a fixed top plate is provided with a lying posture that projects forward while being connected to the fixed top plate and an opening of the book shelf portion. A movable top plate that is swingable and switchable between an upright posture and a closed posture is pivotally mounted, and a damper that cushions the swinging motion of the movable top plate from the upright posture to the lying posture between the movable top plate and the desk body. A top plate support structure of a desk provided with a mechanism, wherein the damper mechanism is attached to the lower surface side of the fixed top plate, and the connecting member on the movable part side of the damper mechanism is switched to a standing posture. It is characterized in that it is sometimes attached to the side part of the movable top plate located below, and the actions and effects due to it are as follows.

[0005]

[Action]

 Since the damper mechanism is arranged on the lower surface side of the fixed top plate of the desk body, the damper mechanism itself does not project into the storage space of the bookshelf, and the movable top plate is switched to the lying position. In the state, the connecting member can be covered by the movable top plate.

[0006]

[Effect of device]

 Therefore, compared to the conventional top plate support structure, the entire storage space of the bookshelf can be effectively utilized, articles can be easily put in and taken out, and the appearance is finished well. be able to. Further, as described in claim 2, when the damper mechanism is disposed so as to enter the recess formed in the lower surface of the fixed top plate, the amount of protrusion of the damper mechanism to the lower side is reduced. be able to. Therefore, it is possible to place a drawer etc. close to the lower surface of the fixed top plate, and it is possible to utilize the space on the lower surface side of the fixed top plate, and when the movable top plate is switched to the standing posture. There is an effect that the front side of the exposed fixed top plate can be finished in a good appearance.

[0007]

【Example】

 [First Embodiment] FIGS. 7 to 9 show a home desk, in which a desk main body A is provided with a pair of glass doors 1A and 1B which can be slidably opened in the left-right direction, and an upper bookshelf section 1, which is fixed in the front-back direction. Lighting fixture 2 that can slide freely within the range, lower bookcase 3 that opens to the front (chair side), fixed top plate 4 in a horizontal position, slideable within a certain range in the front-back direction, and a pair of left and right The movable drawer frame 6 including the drawers 5A and 5B, and the drawers 7A, 7B and 7C in three upper and lower stages are arranged from the upper side to the lower side. At the front end of the fixed top plate 4, a movable top plate 8 capable of closing the opening of the lower bookshelf part 3 has a hinge 9, as shown in FIGS. 1 (a), 1 (b) and 3. It is pivotally attached about the first horizontal axis P1 via the first horizontal axis P1 and is horizontally inclined forward in a state of being connected to the upper surface of the fixed top plate 4 and the opening of the lower bookcase 3. It is structured so that it can be shaken and switched between a standing posture and a closed posture. A damper mechanism B is provided between the movable top plate 8 and the fixed top plate 4 of the desk body A to buffer the swinging motion of the movable top plate 8 from the standing posture to the lying posture. The damper mechanism B is configured as follows. That is, as shown in FIGS. 5 and 6, in the case 10 having the mounting plate portion 10a, the compression coil spring 11 which can be expanded and contracted in the front-rear direction and the front-rear direction are slidable along the inner surface of the case 10. A pair of front and rear U-shaped spring receivers 12A and 12B which are movable and receive the respective end portions of the compression coil spring 11 in the front-rear direction are internally provided. Further, on the left and right side walls 10b of the case 10, there is provided a movable member 13 made of synthetic resin, which has a semi-arcuate end surface 13a that abuts on a spring receiver 12A located in the front, and a second lateral member along the left-right direction. It is attached via a first pivot pin 15 so as to be vertically swingable around an axis P2 and slidably movable in the front-rear direction within the range of the long holes 14 formed in the both side walls 10b. At the tip of the member 13, there is provided a connecting member 16 having a mounting plate portion 16a for the side portion 8a of the movable top plate 8 located below when the standing posture is switched to the third horizontal axis along the horizontal direction. It is pivotally connected via a second pivot pin 17 so as to be vertically swingable around P3. Further, on the rear wall 10c of the case 10, an adjusting bolt 18 for adjusting the spring pressure of the compression coil spring 11 by expanding and contracting the compression coil spring 11 in the front-rear direction via a spring receiver 12B located at the rear side. Are screwed together. Then, as shown in FIGS. 1 and 2, the case 10 of the damper mechanism B configured as described above is inserted into the recess 4a formed in the center of the lower surface of the fixed top plate 4 in the left-right direction. The fixing plate portion 16a of the connecting member 16 is fixed to the side edge portion 8a of the movable top plate 8 with the screw 19. Therefore, when the movable top plate 8 in the upright posture is switched to the lying posture around the first horizontal axis P1, the connecting member 16 attached to the side portion 8a of the movable top plate 8 also has the first horizontal axis core. The movable member 13 rotates integrally around P1, and the movable member 13 slides rearward along the elongated holes 14 formed in both side walls 10b of the case 10. At this time, by pressing the spring receiver 12A by the semi-circular end surface 13a of the movable member 13 to compress the compression coil spring 11, the swinging motion of the movable top plate 8 to the lying posture is buffered, and The top 8 is switched to the lying posture at a slow speed. Therefore, when the movable couchtop 8 in the standing posture is switched to the lying posture, the movable couchtop 8 has a slow speed from the beginning of the switching, so that even if a child operates, the movable couchtop 8 can be switched to the lying posture. The head or the like is not hit by the plate 8. The depth of the recess 4a is the same as or slightly larger than the height of the case 10, and the front-rear length of the recess 4a is larger than the front-rear length of the case 10. Thus, the entire case 10 is placed in the recess 4a. An operation space S for rotating the adjustment bolt 18 is formed between the rear end surface of the recess 4a and the rear wall 10c of the case 10. Furthermore, as shown in FIGS. 3 and 4, the movable drawer frame 6 is slid forward in association with the swinging of the movable top plate 8 from the upright posture to the fallen posture, and the movable top plate 8 is moved. An interlocking mechanism C for sliding the movable drawer frame 6 to the rear in conjunction with swinging from the lying posture to the standing posture is provided, and the load of the movable top plate 8 applied during use in the lying posture is moved forward. It is configured to be received and supported by the upper surface of the movable drawer frame 6 that has been slid. The interlocking mechanism C is provided on each of the left and right side portions 8b of the movable top plate 8 with an interlocking link 20, which is substantially in the shape of a side view, so as to be swingable around a third pivot pin 21 along the left-right direction. The attached mounting seat plate 22 is fixed with screws 19, and the tip ends of the both interlocking links 20 are fixed to the left and right side portions of the movable draw frame 6 with the brackets 23 fixed with screws 19. In addition, it is configured to be swingably pivoted around a fourth pivot pin 24 along the left-right direction. Then, in the state where only the load of the movable top plate 8 itself in the lying posture acts on the hinge 9, the lower surface of the movable top plate 8 in the lying posture and the upper surface of the movable drawer frame 6 pulled out forward. A minute gap W (for example, about 2 mm in the present embodiment) as shown in FIG. 3 is formed between them. In this state, when the weight of a book, a pressing force of a person, or the like is applied to the movable top plate 8, the movable top plate 8 swings downward around the first horizontal axis P1, and the movable drawer frame 6 is pulled out. Received on the upper surface of. As shown in FIG. 4, the left and right side plates 6A of the movable drawer frame 6 can be slid forward and backward along fixed rails 26 attached to the inner surfaces of the left and right side plates 25 of the desk body A. A movable rail 27 is attached.

Second Embodiment In the first embodiment described above, as shown in FIG. 3, when the movable top plate 8 is in the lying posture, the bracket mounting groove portion formed on the side plate 6A of the movable drawer frame 6 is shown. Since 6a is exposed to the outside from the upper side of the interlocking link 20 of the driving mechanism C, the movable top plate 8 is switched to the standing posture while the fingers are inserted into the mounting groove 6a where the child is particularly exposed. There is a risk. Therefore, as shown in FIG. 10, when the movable top plate 8 is in the laid-down posture, the bracket mounting groove 6a may be closed by the interlocking link 20. [Other Embodiments] In the above-described embodiments, only one damper mechanism B is provided in the center of the lower surface of the fixed top plate 4 in the left-right direction. Mechanism B may be attached and implemented. In the above-described embodiment, the damper mechanism B has been described by using the compression coil spring 11 as an example. However, the damper mechanism B is not limited to this structure. It may be configured by using a combined fluid spring. Although the home desk provided with the upper bookshelf section 1 has been described in the above embodiment, the technique of the present invention may be applied to a home desk not provided with such an upper bookshelf section 1.

It should be noted that reference numerals are added to the claims of the utility model for convenience of comparison with the drawings, but the present invention is not limited to the configuration of the accompanying drawings by the entry.

[Brief description of drawings]

[Fig. 1] (a) is a cross-sectional side view of the damper mounting portion when the movable top is raised, and (b) is a cross-sectional side view of the damper mounting portion when the movable top is folded.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a cross-sectional side view of the attachment portion of the interlocking mechanism.

FIG. 4 is a sectional front view of a mounting portion of the interlocking mechanism.

FIG. 5 is a side view of the damper mechanism.

FIG. 6 is a horizontal sectional view of a damper mechanism.

[Fig. 7] Overall front view of the home desk when the movable top is laid down

FIG. 8 is an overall side view of the home desk when the movable top is raised.

[FIG. 9] Overall side view of the home desk when the movable top is laid down

FIG. 10 is a sectional side view of an attachment portion of the interlocking mechanism showing the second embodiment.

[Explanation of symbols]

 A desk main body B damper mechanism 3 bookcase part 4 fixed top plate 4a recessed part 8 movable top plate 8a side part 16 connecting member

Claims (2)

[Scope of utility model registration request] 1. A desk body (A) having a bookcase (3) and a fixed top plate (4) that are open to the front, and a lying posture that projects forward in a state of being connected to the fixed top plate (4). A movable top plate (8) whose swing can be switched to a standing posture in which the opening of the bookcase (3) is closed is pivotally mounted, and is movable between the movable top plate (8) and the desk body (A). A top support structure for a desk provided with a damper mechanism (B) for buffering swinging motion of the top (8) from an upright posture to a lying posture, wherein the damper mechanism (B) is the fixed top panel. The side portion of the movable top plate (8) which is attached to the lower surface side of (4) and is located below when the connecting member (16) on the movable portion side of the damper mechanism (B) is switched to the standing posture. Desk top plate support structure attached to (8a). 2. The desk top supporting structure for a desk according to claim 1, wherein the damper mechanism (B) is arranged so as to be inserted into a recess (4a) formed in the lower surface of the fixed top plate (4).