JP4444137B2 - System rack - Google Patents

Description

  The present invention relates to a system rack having a storage unit for AV equipment such as a VTR, a DVD recorder, a BS tuner, a CS tuner, an audio device, and a table on which a thin display device such as a liquid crystal television is placed.

  AV devices such as VTRs, DVD recorders, BS tuners, CS tuners and audio devices are often used in connection with a display device such as a television, and various systems having a display device mounting portion and an AV device storage portion. Racks are commercially available, and various system racks with casters that can be moved have been proposed. Japanese Patent Application Laid-Open No. H10-228561 is disclosed as a rack on which a thin display device is mounted. In Patent Document 1, a video storage table with casters, a chair with a safety belt, a video deck device, a video monitor mounting rod, a video monitor provided at the tip of the mounting rod, and a pair of left and right speakers, Even if the infant is sitting away from the parent who is undergoing dental treatment, it is possible to enjoy watching the video monitor safely and safely, and to reduce the burden on the parent, dentist and staff. The mounting rod is fixed on the rack table and is provided so as to be adjustable in the vertical and horizontal directions.

  Further, Patent Document 2 is disclosed as a system rack for video conference in which a camera mounting arm is provided on a rack. The camera / rack device of Patent Document 2 is provided with a height adjustment mechanism on the upper surface on which the rack monitor TV is mounted. An arm base is attached to the rear edge of the rack, and a camera box containing a camera is attached to the tip of the rack. First, after the lever is loosened and the height position of the TV camera is adjusted, the camera position can be adjusted to the line-of-sight position of the subject by tightening the lever. If there is a space between the top surface of the monitor TV mounted on the rack and the bottom surface of the camera box, the height adjustment mechanism can be driven to raise the top surface of the monitor TV to a position where it touches the camera box and stop. it can. As a result, the parallax between the monitor TV and the camera is reduced, and the positions of the camera and the monitor TV can be easily adjusted near the horizontal line of sight of the subject, and the line of sight of the subject (person) with respect to the monitor TV of various sizes. It can be handled without changing the position, and can respond to the gaze position of many users.

Utility Model Registration No. 3070371 Japanese Patent Laid-Open No. 07-23361

  However, in the support structures described in Patent Documents 1 and 2 described above, a large thin display device can be mounted. However, when the left and right heights of the base on which the thin display device is mounted are different, the screen is inclined. It was structurally impossible to make a fine adjustment to correct horizontally. For this reason, when a large-sized thin display device, for which demand has been increasing in recent years, is mounted, the appearance of a system rack capable of adjusting the horizontal tilt of the screen has been desired. In addition, it has been desired to provide a mechanism that can finely adjust the tilt in the front-rear direction of the screen of the mounted thin display device. Accordingly, the present invention proposes a system rack that can adjust the inclinations of the left and right heights of the mounted thin display device with different heights and can finely adjust the inclination in the front-rear direction of the screen. It was aimed.

  In order to solve the above-described problems, a system rack according to the present invention includes a base having an upper surface as the lowest base, and a hollow support column that is erected at the center rear end position of the base and that has a hollow interior. , An elevating strut that is fitted to the hollow portion of the hollow strut so as to be able to move up and down, an uppermost base fixed in the horizontal direction to the upper end of the elevating strut, and an appropriate vertical distance in the front portion of the hollow strut One or more shelf plates that are detachably fixed, screw holes that are engraved on the side surfaces of the elevating columns at appropriate intervals in the vertical direction, and drilled on the side surfaces of the hollow columns that correspond to the screw holes And a fastening male screw that is inserted through the through hole and is selectively screwed into any one of the screw holes to fasten the lifting column to the hollow column.

  Further, according to the present invention, in the system rack, the cross-sectional shape of the hollow portion of the hollow column and the cross-sectional shape of the lifting column are rectangular in the width direction, and the through hole is formed in the side surface on the back side of the hollow column. And the screw holes are formed in the side surface on the back side of the lifting column.

  Further, the present invention provides the system rack, wherein a screw hole for front and rear tilt adjustment is formed on a rear side surface of the hollow support column, a front and rear direction push screw is screwed into the screw hole, and the fastening male screw is loosened. In this state, the side surface of the lifting column is pressed with the tip of the front / rear direction push screw to enable tilt adjustment in the front / rear direction of the lifting column.

  Further, the present invention provides the system rack, wherein the through hole is formed as a long hole that is long in the lateral direction, and screw holes for left and right tilt adjustment are formed on both or one of the left and right side surfaces of the hollow support column. It is possible to adjust the tilt of the lifting column in the horizontal direction by screwing the left and right direction pressing screw into the hole and pressing the side surface of the lifting column with the tip of the left and right direction pressing screw in the loosened state. Features.

  In the system rack according to the present invention, a resin cable holder having a C-shaped cross section is attached to a side surface of the hollow column, and a cable case having an upper opening is disposed on the back side of the base end of the hollow column. Is possible.

  Further, in the present invention, in the system rack, the planar shape of the uppermost platform may be a shape corresponding to the shape of the bottom surface of a device mounted thereon, and casters may be attached to the lower surface of the base.

  As described above, according to the present invention, it is possible to adjust the height by switching the position of the lifting column with respect to the hollow column in a state where the thin display device is mounted on the uppermost stage. In addition, with the thin display device mounted on the top platform, loosen the fastening male screw and adjust the screwing position of the front / rear direction push screw and the left / right direction push screw to tilt the thin display device in the left / right direction and the front / rear direction. Can be adjusted to an optimum angle.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing components constituting a system rack according to the present invention. In the figure, reference numeral 1 denotes a top plate which is the uppermost base, and is formed in a shape corresponding to the shape of a stand such as a liquid crystal television set. 2 and 3 are two shelf boards installed under the top plate 1. Reference numeral 4 denotes a base plate serving as a base, and four casters are attached to the lower surface of the base 4 (see FIG. 2). Reference numeral 5 denotes a rectangular column having a horizontally long cross section, in which a lower hollow column 6 and an upper lifting column 7 are detachably fitted.

  The base end portion of the hollow column 6 is fixed vertically to the center rear end position of the main plate 4. The center rear end portion of the top plate 1 is fixed to the upper end of the lifting column 7, and the shelf plates 2 and 3 are fixed to the front side surface portion of the hollow column 6. A cable holder 8 is attached to the side surface of the hollow column 6 and is divided into two in the lateral direction, and has a C-shaped cross section in the assembled state. A cable case 9 is attached to the back surface of the base end portion of the hollow column 6. Typically, these parts are assembled using screws by the user who purchased the system rack.

  2 is a perspective view showing a state in the middle of assembling the components shown in FIG. 1, and FIG. 3 is a longitudinal sectional view of the main part of FIG. As an assembling procedure, the top plate 1 and the base plate 4 are fastened to the upper and lower ends of the column 5 with screws, and then the shelf plates 2 and 3 are screwed to the front side surface of the hollow column 6. This state is the state of FIG. 2, and the assembly is completed by screwing the cable holder 8 and the cable case 9 further. As a mechanism for adjusting the height of the top plate 1, four through holes 12 are formed in the rear side surface of the hollow column 6, and screw holes 11 corresponding to the through holes 12 at the adjusted height are provided on the lifting column 7. A plurality of them are engraved on the back side of the portion inserted into the hollow support 6. The through-hole 12 is not a perfect circle but is a long hole that is long in the lateral direction. In addition, screw holes 13 for adjusting the tilt in the front-rear direction are formed between the vertical and horizontal pitches of the four through holes 12. Similarly, screw holes 14 for adjusting the tilt in the left-right direction are formed on the left and right side surfaces of the hollow support 6 having substantially the same height as the screw hole 13.

  At the time of assembly, the lifting column 7 is inserted / removed to a desired height with respect to the hollow column 6 and the screw 15 is inserted into the screw hole 11 corresponding to the position to be screwed. Thus, the lifting column 7 is fastened and fixed to the hollow column 6. As shown in FIG. 3, before tightening the screw 15, a lifting screw strut 16 is screwed into the screw hole 13 between the upper and lower through-holes 12, thereby pushing the lifting column. 7 can be adjusted. Similarly, it is possible to adjust the inclination of the lifting column 7 in the left-right direction by screwing and pressing the push screws 17 and 18 provided with knobs into the screw holes 14. For example, in FIG. 2 of four, four screws 15 are tightened to the lower stage of the four through holes 12 with about 80% tightening, the left and right inclinations are adjusted with the push screws 17 and 18, and then The angle can be adjusted by tightening the upper screws 15 of the four through holes 12 after adjusting the forward / backward inclination with the push screw 16.

  That is, when assembling these system racks, at least one screw 15 is temporarily fixed by adjusting the height of the lifting column 7 at the same time as assembling each component. In this state, a display device such as a liquid crystal television is mounted on the top board 1 and the screen is viewed from the front to confirm the unevenness of the left and right heights and the quality of the tilt in the front-rear direction. 16 is adjusted to adjust the tilt angle in the front-rear direction. Similarly, the tilt angle in the left-right direction is adjusted by adjusting the push-in amount of the push screws 17 and 18. When the adjustment work is completed, the angle of the top plate 1 is fixed by completely tightening the screws 15. The left and right tilt adjusting push screws 17 and 18 can be adjusted by only one of the left and right side surfaces, and one of them may be omitted. Further, the function of adjusting the tilt angle in the front-rear direction and the function of adjusting the tilt angle in the left-right direction do not necessarily have both functions.

  FIG. 4 is a perspective view showing a state in which the cable holder 8 is attached after the cable case 9 is attached after being assembled as shown in FIG. 2, but the shelf plates 2 and 3 are not shown. The cable case 9 is formed in a box shape with an open top, and is screwed to the lower end of the back surface of the hollow column 6. In the cable case 9, a power cord and a connection cable having an extra length are stored. The cable holder 8 is made of a resin and is divided into two in the lateral direction, and has a C-shaped cross section in a state where the screw is fixed to the hollow support 6. By storing the power cord and cable in the cable holder 8, the appearance of the system rack from the front side is not impaired. Further, in the longitudinal direction of the cable holder 8, a slit is provided in the vicinity corresponding to the position of the shelf plates 2 and 3, and the cable from the device placed on the shelf plates 2 and 3 is guided to the cable holder 8 with the shortest distance. Yes. The upper end of the cable holder 8 is arranged so as not to interfere with the push screws 17 and 18 shown in FIG.

  FIG. 5 is a perspective view of the state in which the liquid crystal television T is placed on the top plate 1 of the assembled system rack as seen from the back. After the liquid crystal television T is placed on the top plate 1, the power cord 21 and the connection cable 22 of the liquid crystal television T are engaged with the hooks 23 and 24 attached to the rear end of the top plate 1, and then the cable holder. If the length is excessive after turning inside 8, the excess is accommodated in the cable case 9 and wiring work is performed. As described above, since the cable holder 8 and the cable case 9 are provided in the system rack, the cords and the cables can be wired clearly, and the appearance from the front is improved. In addition, since the top plate 1 has a boomerang-like outer shape that matches the shape of the bottom of the stand of the liquid crystal television T in advance, the appearance of the stand portion of the liquid crystal television T is clear.

  FIG. 6 is a side view showing a final use state after the above-described system rack is assembled. A liquid crystal television T is mounted on the top plate 1, and AV devices A to C are mounted on the shelf plates 2 and 3 and the ground plate 4. In the figure, a system rack is installed with the wall W in the back. As an earthquake countermeasure, a string D is placed between the upper end of the lifting column 7 and the hook provided on the wall W. The system rack is prevented from tipping forward. Note that the system rack described above has two shelves, but can be attached and detached arbitrarily according to the number and size of equipment to be stored. The space between the base plate 4 and the shelves 2 and 3 is set to 105 mm, and when there are two shelves 2 and 3, two thin devices such as DVDs can be placed, In the case of a mini component, a compact speaker, etc., the dimension setting is suitable for mounting the equipment on the base plate 4 with the shelf boards 2 and 3 as one sheet. It is also possible to have three or more shelves.

  The present invention can be used for a system rack for mounting a liquid crystal television set or a PDP television set to adjust the front / rear tilt and left / right height of the screen as viewed from the front, a personal computer rack equipped with a thin monitor of a personal computer, etc. Also available.

It is a perspective view which shows the components which comprise the system rack which concerns on this invention. It is a perspective view which shows the state in the middle of assembling the components shown by FIG. It is a longitudinal cross-sectional view of the principal part of FIG. It is a perspective view which shows the state which attaches a cable holder to the system rack of FIG. It is the perspective view which looked at the state which mounted the liquid crystal television on the top plate of a stem rack from the back. It is a side view which shows the use condition of a system rack.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Top plate 2, 3 Shelf plate 4 Ground plate 5 Column 6 Hollow column 7 Lifting column 8 Cable holder 9 Cable case 11 Screw hole 12 Through hole 13, 14 Screw hole 15 Screw 16-18 Push screw 21 Power cord 22 Connection cable 23, 24 Hook A ~ C AV equipment D String T LCD TV W Wall

Claims (8)

  A base with the uppermost surface as the lowest base, a hollow strut standing on the base and having a hollow interior, a lifting strut fitted in a hollow portion of the hollow strut so as to be lifted and lowered, and the lifting The uppermost base fixed in the horizontal direction to the upper end of the support, one or more shelf plates that are detachably fixed to the hollow support with an appropriate vertical distance, and the vertical support on the side of the lifting support A threaded hole engraved with a hole, a through hole formed in the side surface of the hollow support column at a position corresponding to the threaded hole, and selectively threaded into any of the threaded holes inserted through the through hole. And a fastening screw for fastening the lifting column to the hollow column. The system rack according to claim 1, wherein
The cross-sectional shape of the hollow portion of the hollow column and the cross-sectional shape of the lifting column are rectangular, and the through hole is formed in the rear side surface of the hollow column, and the screw is formed on the rear side surface of the lifting column. A system rack that features holes. The system rack according to claim 2, wherein
A screw hole for front / rear tilt adjustment is formed in the side surface on the back side of the hollow column, and a front / rear direction push screw is screwed into the screw hole, and the fastening screw is loosened, and the front end of the front / rear direction push screw A system rack characterized in that tilting in the front-rear direction of the lifting column can be performed by pressing a side surface of the lifting column. The system rack according to claim 2 or 3,
The through-hole is formed into a long hole in the lateral direction and a screw hole for adjusting the right / left tilt is formed on both or one of the left and right side surfaces of the hollow support column, and a left / right direction push screw is screwed into the screw hole, A system rack, wherein the side of the elevating column is pressed with the tip of a left / right direction pushing screw in a state where the fastening screw is loosened, thereby enabling a tilt adjustment in the left / right direction of the elevating column. The system rack according to any one of claims 1 to 4,
A system rack comprising a resin cable holder having a C-shaped cross section attached to a side surface of the hollow column. The system rack according to any one of claims 1 to 5,
A system rack characterized in that a cable case having an upper opening is disposed on the back side of the base end of the hollow column. The system rack according to any one of claims 1 to 6,
The system rack according to claim 1, wherein a planar shape of the uppermost base is a shape corresponding to a bottom shape of a device mounted thereon. The system rack according to any one of claims 1 to 7,
A system rack comprising a caster attached to a lower surface of the base.

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