JPH042572Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention provides a small top plate in front of the desk top plate in an OA desk, and allows the small top plate to be moved in and out of the desk top plate in the depth direction. , and relates to a desk which is movable up and down and can be stored under the top board with a keyboard etc. placed on the small top board.

[Conventional technology]

Conventionally, some office automation desks have a small top plate installed in front of the desk top plate. This small top plate is fixed to the desk top plate, or its angle can be adjusted.

[Problem that the invention attempts to solve]

However, in the case of such a desk with a small top plate, there is a desire to be able to freely set the position of the small top plate when the keyboard is placed on the small top plate and a display etc. is arranged on the desk top plate. At the same time, it is desirable to be able to store the small top plate and a support such as a keyboard mounted on the small top plate under the top plate when not in use.

The present invention aims to provide a desk with a small top plate that is convenient for the conventional OA desks.

[Means for solving problems]

In order to achieve the above object, the present invention provides a desk having a top plate and side legs, a small top plate placed in front of the desk top plate and supporting a keyboard, etc., and a lower part of the desk top plate. a depth guide means comprising rails arranged oppositely at a certain distance from each other and a beam installed on the rails via moving rolling tools; and an upper end of a connecting part fixed to the beam of the depth guide means The base ends of a pair of angle holding fittings are pivotally attached, and the tips are pivoted to the lower surface of the small top plate either directly or through a member, and at the bottom of the tip of the connecting part is a pair of members that overlap with the holding fittings. The proximal end of the support metal fitting has a surface and a long guide hole corresponding to the locus of the overlapping portion of the holding metal plate is provided on the surface, and the base end of the support metal fitting is pivotally mounted, and the tip is located on the lower surface of the small top plate and is located at a position lower than the mounting position of the tip of the support metal fitting. Pivotally attached to the lower part directly or through a member, penetrating the holding metal fitting and the supporting metal fitting and rotatably connected by a connecting shaft, and the shaft end is provided with a pressing force in the length direction of the connecting shaft. It is an object of the present invention to provide a table with a small top plate comprising vertical movement guide means and the following.

[Effect]

As described above, the present invention arranges a small top plate in front of the desk top plate, and enables movement in the depth direction between the table top plate and the desk top plate using the depth guide means provided under the desk top plate. By using the vertical movement guide means, the small top plate can be freely set above the top plate, at the same position as the top plate, or even below the top plate, and each set state can be maintained stably and with no pressure applied. When the desk with a small top plate of the present invention is used as an OA desk, it is possible to not only set the operating conditions of the keyboard etc. to the best possible condition, but also to fix the small top plate of the keyboard etc. after use. The objects on top can be stored under the top plate, making the entire desk more compact.

〔Example〕

The details of the invention will be explained based on further illustrated embodiments. The drawings are diagrams for explaining examples of a desk with a small top plate, and 1 in the figure is a desk that has a top plate 2 and side legs 3, and has desk functions compatible with various OA equipment. There is. Reference numeral 4 denotes a small top plate located in front of the desk top plate 2 for supporting a keyboard, etc., and a protrusion 5 on the front side of the top surface of the small top plate 4 for regulating the position of a supported object such as a keyboard. It is set up. Next, reference numeral 6 denotes a depth guide means provided under the desk top plate 2, and the details of this device are shown in FIG. The depth direction guide means 6 is a guide means that allows the small top plate 4 to be moved in the depth direction with respect to the desk top plate 2, and is configured to move the rails 7, 7 at a certain distance from the lower surface of the top plate 2 of the desk 1, for example. The openings of the channel material are arranged to face each other, and a beam 9 is constructed on the rail 7 via a moving rolling tool 8 such as a roller. In order to stabilize the movement of the beam 9 with respect to the rail 7, two rolling tools 8 are pivotally mounted on each side in this embodiment. Next, 10 in the figure attaches one end to the depth direction guide means 6 provided under the desk top plate 2,
It is a vertical movement guide means as a connection means between the top plate and the small top plate, the other end of which is related to the small top plate 4, and the details of the vertical movement guide means 10 are explained in FIGS. 2 and 3. As shown, the base end side is attached to the connecting portion 11 fixed to the beam 9 of the depth guide means 6. At the top of the tip of the connecting portion 11, a pair of doglegs are pivotally attached 14 to the base end of an angle holding fitting 13 having a through hole in the bent portion 12, and the tip is directly attached to the lower surface of the small top plate (not shown). or via a member 15
However, there is a pair of members at the lower end of the connecting part 11,
The proximal end of a support fitting 17 having a surface that overlaps with the bending part 12 of the holding fitting 13 and having a long guide hole 16 corresponding to the locus of the bending part 12 on the surface is pivoted 18, and the tip is the lower surface of the small top plate 4, and is pivoted directly (not shown) or via a member 19 below the pivot position 15 for attaching the tip of the holding metal fitting 13, and penetrates the holding metal fitting 13 and the supporting metal fitting 17. They are rotatably connected by a connecting shaft 20, and a pressing force 21 is provided at the end of the shaft to press the connecting shaft 20 in the length direction. As shown in the figure, the pair of dogleg-shaped angle holding fittings 13 have a portion that overlaps with the supporting fitting 17 at an intermediate portion thereof, and pivot points 14, 18 at each proximal end.
15 and 19 mutually form a parallelogram, and each of the pivot points 15 and 19 at the tip of the angle holding fitting 13 and the support fitting 17 can rotate up and down about the proximal pivot points 14 and 18. . For this purpose, as in the embodiment, the angle holding fittings 13 are a pair of dogleg-shaped fittings, and the other supporting fitting 17 is a plate material having a triangular side shape as shown in the figure. Also,
A washer 22 and an elastic inclusion 2 are attached to one end of a connecting shaft 20 that passes through both metal fittings 13 and 17 and is attached.
3 and tighten the nut 29, and the other end is connected to the operating handle 24 in order to compress the elastic inclusion 23 and press the connecting shaft 20 in the axial direction, and the other end is connected to the operating handle 24, and the other end is a pressing surface. A pressure adjustment means 27 adjacent to the pressure release surface 25 and a pressure release surface 26 is located on the outer surface of the support fitting 17 and is pivotally mounted 28 to the end of the connecting shaft 20.
That is, as shown in FIG.
By moving the solid line state and the imaginary line state,
Pressure surface 25 and pressure release surface 26 of pressure adjustment means 27
is selectively brought into contact with the outer surface of the support fitting 17 around its 28 pivot points, and at this time, the distance from the 28 pivot points to the pressing surface 25 and the distance to the pressing surface 26 are made longer. , by setting the latter short, when the pressing surface 25 is positioned as shown in the figure, the connecting shaft 20 is pulled in the length direction, especially to the right in the figure, and the pressing surface 25 of the pressing force adjustment means 27 and the side end are pulled. The angle holding fitting 13 and the supporting fitting 17 are clamped and pressed between the elastic inclusion 23, that is, the washer 22, and the nut 29, and their mutual rotation is restricted. Also,
When the operating handle 24 is moved to the imaginary line state and the press release surface 26 is located on the side of the support metal fitting 17, the distance between the 28 pivot points and the press release surface 26 is equal to the distance between the angle holding metal fitting 13 and the support metal fitting 17. Therefore, the pressure from the connecting shaft 20 on each metal fitting 13, 17 is released, and the metal fitting 1
The small top plate 4 supported by the tips 3 and 17 can move up and down between the positions shown by solid lines and imaginary lines in FIG. That is, by moving the operating handle 24, it is possible to lock and release the small top plate 4, and the vertical position of the small top plate 4 can be adjusted.

Next, although such a vertical motion guide means 10 may be attached to the small top plate 4 directly or with another member interposed, the horizontal motion guide means 30 as shown in the figure
By attaching the small top plate 4 with the above-mentioned angle, the small top plate 4 can be rotated in the horizontal direction at an appropriate vertical position, and the small top plate 4 itself can be rotated. As shown in FIGS. 2 and 4, this horizontal motion guide means 30 is overlapped inwardly with both ends of a stay receiver 31 to which the tip of the vertical motion guide means 10 as a connecting means is fixed, and is slidable. The rear ends of the left stay 33 and the right stay 34 with extending guide brake plates 32 that meet each other are pivoted to the rear ends 3
5, 36, and at the front ends of the left and right stays 33, 34,
Both sides of the retaining plate 37 are pivotally mounted, and shaft holes 40 are formed in the retaining plate 37 at positions equidistant from the pivot joints 38 and 39 on both sides, and the brake plates 32 and 32' of the left and right stays 33 and 34 are connected to each other. are formed with elongated holes 41, 41' whose radii are the distance between the pivot parts 38, 39 of the retaining plate 37 and the shaft hole 40, centering on the respective front end pivot parts 38, 39, and the small top plate 4. A connecting shaft 42 protruding from the center of the lower surface is inserted into both the elongated holes 41 and the shaft hole 40 of the holding plate 37, and a brake means 43 capable of holding both the brake plates 32 and the holding plate 37 is provided at the other end. It is what it is. Here, the stay receiver 31 is a single vertical plate 44 as shown in the figure.
The top and bottom are bent backwards into a U-shape, and a projecting piece 45 for pivoting is provided at the side end thereof, and two opposing standing walls 46 are formed from the inside to the rear, and an axis rod 47 is attached to the standing wall 46. is provided, and the tip of the vertical movement guide means 10 serving as the connection means is pivotally connected to the shaft rod 47. Therefore, as can be understood from FIG. 2, the base end and the distal end of the vertical movement guide means 10 as a connecting means form a parallelogram with each rotation midpoint, and the small top plate 4
vertical movement is possible. Also, each stay 3
3 and 34, as shown in FIG. 4, the guide brake plates 32 and 32' are configured in a fan shape with a slight protrusion toward the front side, and the guide elongated holes 41 and 34 overlap each other on the tip side thereof. 41, and the holding plate 37 has an axial hole 40 formed in the holding plate 37 at a position where it can overlap with the position where the guide elongated holes 41, 41 overlap with each other. Therefore, in order to satisfy the above-mentioned conditions, the retaining plate 37 is made of a plate having a triangular shape in plan view. The imaginary line in the figure shows the holding plate 37 in a vertically inverted state for the purpose of explanation. The brake means 43 allows the small top plate 4 to move horizontally from side to side and at the same time rotate itself,
As shown in the figure, a connecting shaft 42 is vertically installed below the small top plate 4 via a top plate mounting plate 48, and the connecting shaft 42 is connected to the guide brake plate 32, Elastic spacer 4 placed on the top surface of 32'
It is inserted into the guiding elongated holes 41, 41' through the through hole 50 of No. 9, and is connected to each lower member through the shaft hole 40 of the holding plate 37 and each shaft hole of the pressing means 51. Here, as shown in the figure, each half of the surface of the pressing means 51 has sliding surfaces 52, 52' that are inclined in opposite directions in the circumferential direction, and at the boundary position, a position regulating step 53 is formed. , 53' are used. One disk 54
is fixed to the lower surface of the upper holding plate 37 facing downward, and the other disk 54' is positioned with its sliding surface 52' facing upward. The connecting shaft 42 is
The shaft hole 4 of the holding plate 37 passes through the elastic spacer 49 and the two guiding brake plates 32, 32'.
0, passes through the upper disk 54, then passes through the lower disk 54', and fastens a nut 55 to the lower end of the connecting shaft 42 to fix each member. That is, by rotating the lower disk 54' using the sliding surfaces 52, 52' of the disk 54 on the lower surface of the holding plate 37 and the lower disk 54', the upper disk 5
4, the connecting shaft 42 that connects them together is strongly pulled downward, and the elastic spacer 49 is compressed or released. Loosely connect each other. and,
In order to rotate the lower disk 54' as the pressing means 51, it has a cylindrical shape that is open upward and has an opening 56 into which a nut 55 for tightening the lower end of the connecting shaft 42 is loosely fitted. The spacer 57 is operated by integrally fixing the mounting plate 59, the spacer 57 and the lower disk 54' with bolts 60 via the mounting plate 59 at the tip of the handle 58.
The operating handle 58 and the upper connecting shaft 42 can freely rotate with respect to each other via the lower disk 54'.
They are connected in the vertical direction. Under this condition, if the operating handle is rotated in the direction in which the upper and lower disks 54 are separated, that is, in the direction in which the pressing means 51 is pressed, the connecting shaft 42 is pulled downward, the elastic spacer 49 is compressed, and the guiding brakes are brought into contact with each other. The plates 32 and 32' are brought into pressure contact. Therefore, the left and right stays 33 attached to the stay receiver 31,
34 are in a state where the brakes are applied to their brake plates 32, 32' and cannot rotate,
When the pressing means 51 are operated in the direction of opening, that is, in the direction of approaching each other, the elastic spacers 4
9 is released, and the two overlapping guide brake plates 32, 32' become slidable. Then,
When the small top plate 4 is moved left and right, the connecting shaft 42 is moved through the guide slots 41 and 41' of the guide brake plates 32 and 32', and the small top plate 4 can be moved left and right. It also enables the rotation of the connecting shaft 42, that is, the rotation of the small top plate 4 itself.

As described above, the desk with a small top plate according to the present invention is provided with a guide means 6 in the depth direction under the desk top plate 2, and a vertical movement guide means 10 associated with the guide means 6. Since the small top plate 4 is located at the tip, the small top plate 4 can be freely moved between the upper position and the lower position by selective operation of the pressing force tool 21, and can also be moved as desired. When you want to fix it at a suitable position, that is, at an appropriate height, by bringing the pressing surface 25 of the pressing force tool 21 into contact with the side surface of the support metal fitting 17, the angle holding metal fitting 13 and the support metal fitting 17 are fixed to each other in the longitudinal direction of the connecting shaft 20. , the brake is applied, the rotation of each other is disabled and the position is fixed, and the pressing force 21 of the vertical movement guide means 10 is released, that is, the pressing release surface 26 is pressed against the side surface of the support fitting 17. By positioning the small top plate 4 at the lowest position and releasing the pressing force, the small top plate 4 can be set to the lowest position shown in FIG. It is also possible to place the small top plate 4 on the small top plate 4 and store the small top plate 4 under the top plate 2 by the depth guide means 6 with the object placed thereon. Also, small top plate 4
The support by the vertical motion guide means 10 as a connecting means is supported by a pair of angle holding fittings 13 and a pair of supporting fittings 17, respectively, so the support is stable and vertical movement is free. Top plate 4
Even if a heavy object is placed on top, it can strongly support it and is easy to operate.

[Effect of idea]

As described above, the desk with a small top plate according to the present invention allows the small top plate attached to the depth direction guide means via the vertical movement guide means to be attached to the depth direction guide means provided under the top plate of the desk. It can be moved forward from under the top plate and used by supporting a keyboard or the like on its top surface, and when not in use, it can be moved under the top plate and stored. In addition, the vertical movement guiding means has the base ends of a pair of angle holding fittings pivotally attached to the upper end of the connecting part fixed to the beam of the depth direction guiding means, and the tips thereof are pivoted to the lower surface of the small top plate directly or through a member. At the bottom of the connection tip, the base end of the support metal fitting, which is a pair of members and has a surface that overlaps with the holding metal fitting, and which has a guiding elongated hole corresponding to the trajectory of the overlapping portion of the holding metal fitting, is pivoted. At the same time, the tip is pivoted directly or via a member to the lower surface of the small top plate below the tip mounting position of the holding metal fitting, and the holding metal fitting and the supporting metal fitting are penetrated and connected rotatably with a connecting shaft. At the end of the shaft, a pressing force in the length direction of the connecting shaft is provided, so by operating the pressing force, the small top plate can be moved up and down stably without sideways vibration, and the small top plate can be moved up and down stably without sideways vibration. It can be set and fixed at an appropriate height, and since the vertical movement guide means does not have any members that protrude in the vertical direction of the angle holding metal fittings and supporting metal fittings, it is possible to reduce the vertical width, and the top plate The space below, especially the part that protrudes into the foot space, is reduced, so there is no problem in putting the user's feet in.
It is possible to provide a desk with a small top plate that is convenient as an OA desk.

[Brief explanation of drawings]

Fig. 1 is an external perspective view of a desk with a small top plate according to the present invention, Fig. 2 is a plan view of the main part, Fig. 3 is a side view thereof,
FIG. 4 is an exploded perspective view showing the relationship between the small top plate and the horizontal movement guide means. 1...Desk, 2...Top plate, 3...Side legs, 4...Small top plate, 5...Protrusion, 6...Depth direction guide means, 7
...Rail, 8...Rolling part, 9...Beam, 10
... Vertical movement guide means, 11 ... Connection section, 12 ...
Bending part, 13... Angle holding fitting, 14... Pivoting joint,
15... Pivot, 17... Support metal fitting, 18... Pivot, 19... Pivot, 20... Connection shaft, 21... Pressing attachment, 22... Washer, 23... Elastic inclusion, 24... Operation handle, 25... Pressing surface,
26...Press release surface, 27...Press adjustment means, 2
8... Pivot, 29... Nut, 30... Horizontal movement guide means, 31... Stay receiver, 32... Guide brake plate, 33... Left stay, 34... Right stay, 35... Pivotal 36... Pivotal attachment, 37... Holding plate, 39... Pivotal attachment, 40... Shaft hole, 41... Elongated hole, 42... Connection shaft, 43... Brake means, 4
4... Vertical plate, 45... Protruding piece, 46... Vertical wall, 4
7... Axis rod, 48... Top plate mounting plate, 49... Elastic spacer, 50... Through hole, 51... Pressing means,
52...Sliding surface, 53...Step, 54...Disk, 55...Nut, 56...Opening, 57...Spacer, 58...Operation handle, 59...Mounting plate, 60...Bolt.

Claims (1)

[Scope of claim for utility model registration] A desk that has a top plate and side legs, a small top plate that is located in front of the desk top plate and supports a keyboard, etc., and a certain distance below the top plate of the desk. a depth guide means comprising rails arranged opposite to each other, and a beam installed on the rails via moving rolling tools; The base end of the angle holding fitting is pivotally attached, and the tip thereof is pivoted to the lower surface of the small top plate either directly or through a member, and the lower end of the connecting portion has a pair of members that overlap with the holding fitting, The proximal end of the support fitting, which has a long guiding hole corresponding to the locus of the overlapping portion of the holding fitting on this surface, is pivotally mounted, and the tip is located directly or on a member below the lower surface of the small top plate and below the mounting position of the tip of the holding fitting. The vertical movement guide means is pivotally connected through the holding metal fitting and the supporting metal fitting, and is rotatably connected by a connecting shaft that passes through the holding metal fitting and the supporting metal fitting. , A desk with a small top plate.