JP3600788B2 - Desk with built-in display - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a desk incorporating a display of an OA device, wherein the display is stored below the top plate when not in use, and the display is movable so that it can be installed above the top plate when used. Regarding the built-in desk.
[0002]
[Prior art]
This type of display built-in desk is provided with a display movably supported by a vertically moving means as disclosed in, for example, Japanese Patent Publication No. Hei 6-22486 and Japanese Patent Application Laid-Open No. 2000-23759. A form in which the display is moved upward through the opening formed by opening the lid and providing a lid that opens and closes in a door format at a part of the rear end of the top while being stored in the storage section. There is.
[0003]
Further, as disclosed in, for example, JP-A-10-307645 and JP-A-2000-70048, the device can be housed in a case or a frame provided with a cover plate that covers the upper surface, and can be moved by a vertically moving unit. The display supported on the top plate is housed in a storage portion below the top plate, and an opening such as a hole or a cutout is provided in a part on the rear end side of the top plate, and the display is moved upward through the opening through the opening. There are forms.
[0004]
[Problems to be solved by the invention]
In these prior arts, when the display is moved above the top plate, the opening is in the open state as it is, or at least there is a gap on the inner peripheral surface of the opening, so it is placed on the top plate. There is a risk that documents or articles may fall into the interior or dust may enter from the surroundings.
[0005]
Further, when the display is stored in the storage section below the top plate, there is a possibility that a step or a gap may occur at the boundary between the top plate and the lid plate, and it is necessary to improve dimensional accuracy. There is a possibility that the appearance and the usability may be deteriorated as compared with the surface, documents and articles placed on the top plate may fall into the inside, and dust may enter from the periphery.
[0006]
Therefore, the present invention aims to provide a display built-in desk capable of solving the problems in the conventional technology, and not only in a state where the display is stored in a storage portion below the top plate, but also in a state where the display is moved upwards in the top plate. Provide a desk with a built-in display that can secure a flat top surface.
[0007]
[Means for Solving the Problems]
In the desk with a built-in display according to the present invention, the top plate can be moved between a fixed position (retracted position) and a forward position by a back-and-forth moving means, and an opening of a display storage portion formed below the top plate is moved to the rear end of the top plate. Side, the display attached to the support means can be moved to the installation position above the top plate by the elevating movement means, and the display raised to the installation position via the opening at the advance position is retracted to the fixed position. It is configured to be supported at the installation position above the top plate.
[0008]
In this desk with a built-in display, when the top plate is moved to the forward position by the back and forth moving means, an opening is formed above the display storage section, and the display can be easily raised to the installation position by the elevating movement means, and can be moved to the installation position. The raised display can be supported above the top plate that has been retracted to a fixed position.
[0009]
Thus, when the display is raised to the installation position and lowered to the storage position, the top plate retracted to the home position can close the opening without any steps or gaps. Problems in the prior art, such as a case where a document or article placed thereon falls into the inside or dust enters from the periphery, are solved.
[0010]
Also, unlike the prior art in which the lid member is fitted into the opening and closed, it is not necessary to improve the dimensional accuracy in order to align the lid member, and a flat top plate surface without steps or gaps is formed. Also, the problem in the prior art is solved in that the appearance and the usability are improved.
[0011]
The support means in the display built-in desk is provided with a locking holding portion which can be disengaged from the rear edge of the top plate, and engages with the rear edge of the top plate which has been retracted to a fixed position, and Can hold the display.
[0012]
In the desk with a built-in display according to this embodiment, the rear edge of the top plate retreated to the fixed position is engaged with the locking holding portion, so that the display is held at the set position even when an excessive pressing force is applied from the outside. In addition to this, it is possible to prevent an excessive pressing force from acting on the lifting / lowering moving means, thereby preventing damage.
[0013]
The elevating / moving means in the display-equipped desk is provided with a moving cylinder that can move up and down along an elevating guide shaft, and a rack is provided in parallel with the elevating guide shaft to engage with a binion, and the binion is mounted on the moving cylinder. It can be mounted on the rotating shaft of a rotary damper that exerts a braking action in the descending direction, and the movable cylinder can be operated by manually raising and lowering the support means to move the display up and down.
[0014]
The desk with a built-in display according to this embodiment can be provided at a lower cost than the electric operation. By using the rack and the binion together, it is possible to perform a reliable and smooth ascending and descending movement, and in particular, to brake in the descending direction. The use of the rotary damper that provides the function can ensure the safety of the user and protect the breakage of the lifting / lowering means.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, a desk with a built-in display according to the present invention will be described in detail with reference to the accompanying drawings of FIGS. 1 to 4 showing preferred embodiments. FIG. 1 is an overall perspective view of a desk with a built-in display to which the present invention is applied. 2 is a vertical cross-sectional view of the main part as viewed from the side, FIG. 3 is a vertical cross-sectional view of the main part from the back side, and FIG. 4 is a partially enlarged cross-sectional view of the lifting / lowering means.
[0016]
The illustrated embodiment is, for example, a desk with a built-in display in which the present invention is applied to a desk for two people used in a class such as a school, but can also be applied to a desk for one person or to a desk for three or more people. Also, the present invention can be applied to a company other than a class for school use and an OA desk at home.
[0017]
The desk 1 is provided with leg panels 3 (3A, 3B) erected on a footrest 2 (2A, 2B) having a height adjuster provided on the bottom surface, and arranged on the left and right, and a height adjuster on the bottom surface. A box-shaped CPU storage unit 4 provided with a center is arranged in the center, and a top panel 5 (5A, 5B) is mounted on the leg panel 3 and the CPU storage unit 4 in an erected state. 4, a drawer-type keyboard mounting table 6 (6A, 6B) and a box-shaped display storage section 7 (7A, 7B) are provided.
[0018]
The desk 1 has a CPU (not shown) in a CPU storage section 4 provided with a door 8 on the front, a keyboard (not shown) in a keyboard mounting table 6, and a display 9 (9A, 9B) in a display storage section 7. ) Is stored, but the display 9 stored in the display storage unit 7 can be used in a state where it is moved to an installation position above the top plate 5 as necessary.
[0019]
The left and right sides of the display storage unit 7 are partitioned by the side plate and the leg panel 3 of the PU storage unit 4, the front and rear are partitioned by the front panel 10 and the rear panel 11, the upper part is open, and the bottom part is provided with the bottom plate 12 at the bottom part. The rear panel 11 has a box shape, and the rear panel 11 is detachably attached to a rectangular rear frame 13 whose both sides are supported by the side plate of the PU storage unit 4 and the leg panel 3.
[0020]
When not in use, the display 9 is lowered to a storage position in the display storage unit 7 below the top 5 (as indicated by the phantom line in FIG. 2), and is raised to an installation position above the top 5 when in use (FIG. 2). (As shown by a solid line in FIG. 3), and is connected to the lifting / lowering moving means 14 while being attached to the supporting means 15.
[0021]
Further, since the upper opening side of the display storage unit 7 is closed by the top plate 5, the top plate 5 is moved so as to secure the opening 16 through which the display 9 can pass, and the display 9 is moved to the storage position. Alternatively, in a state where the top plate 5 has been moved to the installation position, it is necessary to restore the top plate 5 to a fixed position and close the opening 16, and the top plate 5 is moved forward (shown by phantom lines in FIG. 2) and moved back to the fixed position ( 2 (shown by a solid line in FIG. 2).
[0022]
The lifting / lowering moving means 14 arranges two inclined lifting / lowering guide shafts 18 having the lower end side fixed to the bottom plate 12 and the upper end side to the rear frame 13 via the connecting member in parallel to both sides of the display 9, A moving cylinder 19 is fitted around the outer periphery of each lifting guide shaft 18, and the moving cylinders 19 are connected to each other by a moving support plate 20 in an erected state. Are connected.
[0023]
The support means 15 has a U-shaped locking and holding portion 22 fitted on the rear end edge 21 of the top plate 5 above the movable support plate 20, and the locking and holding portion 22 is connected to the pipe via a connecting member 23. Is attached to the connecting member 23, and a guide roller 25 for guiding the fitting of the top plate 5 is provided on the connecting member 23 at the opening side of the locking and holding portion 22.
[0024]
The support arm 24 is provided with a mounting plate 26 for the display 9. The mounting plate 26 is connected to the back side of the display 9 via screws or other fixing means. The curved upper end of the support arm 24 moves the display 9. The handle 27 is a grip that is gripped when it is made to move.
[0025]
The lifting / lowering means may have a guide member for guiding the lifting / lowering as a minimum necessary configuration, and a moving member which is moved up / down along the guide member. As described above, in the case where the lifting / lowering guide shaft 18 and the movable barrel 19 are used, a smooth and stable lifting / lowering operation may not be easily obtained under the load of the display 9. Therefore, a means for assisting the lifting / lowering operation is added. .
[0026]
That is, the rotary dampers 28 that apply braking in one direction are mounted on the left and right sides of the moving support plate 20 via the mounting brackets 29, and the binions 30 are mounted on the rotary shafts of the rotary dampers 28. The binions 30 are engaged with racks 31 arranged in parallel on the left and right sides along the same.
[0027]
Thus, if the lifting / lowering moving means 14 is composed of only the lifting / lowering guide shaft 18 and the moving cylinder 19, it may be difficult to obtain a smooth and stable lifting operation under the load of the display 9, but the binion 30 and the rack 31 are used together. By doing so, on the one hand, the binion 30 moves along the rack 31, and on the other hand, the moving cylinder 19 performs a smooth and stable lifting operation along the lifting guide shaft 18.
[0028]
Further, as disclosed in, for example, Japanese Patent Application Laid-Open No. 2000-199536, a rotary damper that uses a viscous fluid and operates at a high torque in one direction and a low torque in the other direction is used as the rotary damper 28. In the descending direction, the braking action allows gentle and safe movement, and in the ascending direction, quick and smooth movement. Secure.
[0029]
In the lifting / lowering moving means 14, when the handle 27 is gripped and the support arm 24 is pulled up or down, the moving cylinder 19 engaged with the rack 31 can move the moving cylinder 19 along the elevating guide shaft 18 while rotating. The moving support plate 20, the locking and holding part 22, the mounting plate 26, the display 9 and the like connected to the unit 19 can be moved integrally between the storage position and the installation position.
[0030]
In the illustrated embodiment, the inexpensive and manually-operated elevating / moving means 14 is used as the elevating / moving means. However, the invention is not limited to this. Various known moving means can be used.
[0031]
For example, a motor may be attached in place of the rotary damper 28, or the lower end side may be connected to the motor by using the elevating guide shaft 18 as a feed screw. When the configuration is such that the binion 30 is omitted, the motor can be moved up and down electrically.
[0032]
In the case of an electric lifting / lowering moving means, the drive of the motor may be stopped when the display 9 is at the installation position. Therefore, a configuration in which a limit switch or the like which comes into contact with the moving cylinder 19 to detect the installation position is provided. be able to.
[0033]
In the illustrated embodiment, the locking and holding portion 22 provided on the support means 15 is formed in a U-shape in the illustrated embodiment, and is locked and held in a state where the rear end edge 21 of the top plate 5 is fitted. Although the top plate 5 is received by the top plate 5 via the upper piece of the stop holding unit 22, as another form, the rear end edge 21 of the slid top plate 5 is placed on the locking holding unit 22. It is also possible to form an inverted L shape without an upper piece so as to engage.
[0034]
The front-rear moving means 17 is constituted by a slide rail composed of a pair of fixed rails 32 and a movable rail 33 arranged in parallel to the left and right below the top plate 5, and a ball bearing or a roller is provided between the fixed rail 32 and the movable rail 33. The movable rail 33 is attached to the lower surface of the top plate 5 with a rolling member such as a member interposed therebetween, and is movable between a forward position and a fixed position (retracted position).
[0035]
When the top plate 5 is pulled out to the forward position, an opening 16 is formed at the rear end of the top plate 5 to allow the moving display 9 to pass therethrough. When restored to the position (retracted position), the opening 16 can be closed by the rear end side of the top plate 5.
[0036]
After the top plate 5 is pulled out to the forward position, the display 9 is raised to the installation position via the opening 16 and the top plate 5 is restored to a fixed position (retracted position). The rear end edge 21 is fitted to the locking holding portion 22, and the display 9 can be held above the top plate 5. When the top plate 5 is pulled out to the forward position again, the fitting with the locking holding portion 22 is performed. The display 9 is released, and the display 9 can be lowered to the storage position.
[0037]
The keyboard mounting table 6 has, for example, guide rails on which rolling rollers are mounted on both sides, as used in a drawer of a general metal desk, and has rollers on both sides of the keyboard mounting table 6. A drawer mechanism is used in which a guide groove that is guided along the guide rail in a sliding state is formed (or a guide groove member is attached).
[0038]
The back-and-forth moving means in the present invention is not limited to the fore-and-aft moving means 17 shown in the figure, and may be manually or electrically operated by using the same means as in the case of a well-known appropriate linear motion mechanism or up-and-down moving means. In the illustrated embodiment, the front and rear are moved horizontally. However, the front and rear may be moved upward and downward in an inclined manner depending on the mounting state of the top plate to the desk.
[Brief description of the drawings]
FIG. 1 is an overall perspective view of a desk with a built-in display to which the present invention is applied.
FIG. 2 is a longitudinal sectional view of a main part of the desk of FIG. 1 as viewed from a side.
FIG. 3 is a longitudinal sectional view of a main part of the desk of FIG. 1 from the back side.
FIG. 4 is a partially enlarged sectional view of a lifting / lowering moving means in the desk of FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Desk 2 Leg base 3 Leg panel 4 CPU storage part 5 Top plate 6 Keyboard mounting table 7 Display storage part 8 Door 9 Display 10 Front panel 11 Back panel 12 Bottom plate 13 Back frame 14 Elevating and moving means 15 (for display 9) Support means Reference Signs List 16 Opening part 17 Front and rear moving means 18 Elevating guide shaft 19 Moving cylinder 20 Moving support plate 21 Rear edge 22 (of top plate 5) Lock holding part 23 Connecting member 24 Support arm 25 Guide roller 26 Mounting plate 27 Handle 28 Rotary damper 29 Mounting hardware 30 Binion 31 Rack 32 Fixed rail 33 Movable rail

Claims (2)

The top plate can be moved between a fixed position (retracted position) and a forward position by a back-and-forth moving means, an opening of a display storage portion formed below the top plate is opened and closed at a rear end side of the top plate, and a supporting means is provided. The display mounted on the top plate can be moved to the installation position above the top plate by the elevating movement means, and the display that has been raised to the installation position via the opening at the advance position is retracted to the fixed position at the installation position above the top plate. The support means is provided with a locking and holding portion which can be engaged with and disengaged from the rear end edge of the top plate, and engages with the rear end edge of the top plate which has been retracted to a fixed position so as to be above the top plate. Desk with built-in display characterized by holding the display. The elevating / lowering means includes a movable cylinder that can be moved up and down along the elevating guide shaft, and a rack is provided in parallel with the elevating guide shaft to mesh with a binion, and the binion is braked in a descending direction mounted on the movable cylinder. 2. The desk with a built-in display according to claim 1 , wherein the desk is mounted on a rotating shaft of a rotary damper that provides an action, and the movable barrel is operated by lifting and pushing down the support means by manual operation, thereby moving the display up and down.

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