KR101551337B1 - Adjust the height of desk - Google Patents

Adjust the height of desk Download PDF

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Publication number
KR101551337B1
KR101551337B1 KR1020150056501A KR20150056501A KR101551337B1 KR 101551337 B1 KR101551337 B1 KR 101551337B1 KR 1020150056501 A KR1020150056501 A KR 1020150056501A KR 20150056501 A KR20150056501 A KR 20150056501A KR 101551337 B1 KR101551337 B1 KR 101551337B1
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KR
South Korea
Prior art keywords
plate
hole
shaft
bracket
slide
Prior art date
Application number
KR1020150056501A
Other languages
Korean (ko)
Inventor
이상진
정동현
Original Assignee
이상진
정동현
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Publication date
Application filed by 이상진, 정동현 filed Critical 이상진
Priority to KR1020150056501A priority Critical patent/KR101551337B1/en
Application granted granted Critical
Publication of KR101551337B1 publication Critical patent/KR101551337B1/en
Priority to PCT/KR2016/004229 priority patent/WO2016171511A1/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B23/00—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else
    • A47B23/04—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else supported from table, floor or wall
    • A47B23/042—Book-rests or note-book holders resting on tables
    • A47B23/043—Book-rests or note-book holders resting on tables adjustable, foldable
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B23/00—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else
    • A47B23/04—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else supported from table, floor or wall
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B37/00—Tables adapted for other particular purposes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B23/00—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else
    • A47B23/04—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else supported from table, floor or wall
    • A47B2023/049—Desk stand for laptop computer

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  • Tables And Desks Characterized By Structural Shape (AREA)

Abstract

The present invention relates to a height adjustable desk which allows a person to sit on or stand on a common desk or table without having to worry about height, and to conveniently perform computer work as well as general work.
The height adjustable desk according to the present invention includes an upper plate 10 on which a monitor is installed, a left upper bracket 20 attached to the left side of the lower surface of the upper plate, A left lower bracket 20 'attached to the upper left side of the upper plate, a right upper bracket 30 attached to the lower right side of the upper plate, and an upper bracket 30 attached to the upper right side of the lower plate facing the right upper bracket And the left and right ends of the left and right upper and lower brackets are connected to each other by a right lower bracket 30 'that intersects the two links 41 and 41' Link member 40 of the left and right brackets and the link members 41 and 41 'of the left and right brackets are crossed in "x " A lock member 50 'for adjusting the degree to which the upper plate is raised and lowered, , Is characterized in that comprises a traction spring 60 (60 ') provided to give the rotation to the link member on the display.

Description

Adjust the height of desk

The present invention relates to a height adjustable desk, and more particularly, to a height adjustable desk which allows a person to sit on a common desk or table without disturbing the height, .

[0002] Conventionally, there has been known a so-called " lower body " which comprises a lower body formed to constitute a lower portion of a desk and provided with a pair of guide grooves vertically parallel to the inside thereof, And a folding member provided between the lower main body and the upper main body and folded so as to raise and lower the upper main body, wherein the upper main body has a guide groove at the time of folding and folding of the folding member, And a height adjustable desk (Open Utility Model No. 20-2011-0000209) which is configured to be lifted and lowered by a guide post guided along with the user's body so that the height of the desk can be adjusted according to the user's body condition, .

However, such a height adjustment desk has the effect of adjusting the height of the desk according to the user's physical condition, but since it is made only for a computer, it is not necessary to use a desk or a table There is a problem in that a separate space is required as well as a burden of a lot of cost because it must be purchased and used, and it becomes impossible to use it when the space is not available.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and its object is to provide a computer system which can be conveniently used for sitting or standing on a common desk or table And a height adjustable desk for adjusting the height of the desk.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a height adjustable desk which is very simple to adjust the height and does not occupy a lot of space and can be moved and stored very easily.

In order to attain the above object, the present invention provides an upper plate for mounting a monitor on an upper surface, a lower plate corresponding to the upper plate, a left and right push- And a hinge shaft hole formed at the rear end of the post, and a left upper bracket attached to the left side of the upper surface of the slide plate, the slide hole being located forward of the slide hole, A left lower bracket that is formed in the same manner as the upper bracket and is mounted on the left side of the upper surface of the lower plate so as to face the upper bracket symmetrically with the body slidably facing rearward, And a pair of left and right protruding holes which are perforated so as to face each other and a horizontal hole A left upper bracket formed to have a slide hole and a shaft pin hole drilled at a rear end of the seat, the slide bracket being attached to the right side of the lower surface of the upper plate at a front side thereof, A right lower bracket attached to the upper right side of the lower plate so as to face the upper bracket so as to face the upper bracket in a rearward position, and a lower bracket crossing the two links in " The upper end of one of the links is installed as a hinge shaft in the hinge shaft hole of the left upper bracket and the lower end of the link is installed as a hinge shaft in the hinge shaft hole located in front of the lower bracket, Is mounted on a slide shaft which is inserted into the slide slot of the left upper bracket and moved forward and backward, A left link member provided on an axis of a slide shaft which is inserted through a slide slot positioned rearward of the slide shaft and moved forward and backward; And the upper end of one of the links is installed on the shaft pin hole of the right upper bracket as a hinge shaft and the lower end of the link is provided on the shaft pin hole located on the front side of the lower right bracket as another hinge shaft, The upper end of the link is inserted into the slide hole of the right upper bracket and is provided on the slide shaft to be moved forward and backward. The lower end of the slide shaft is inserted into the slide hole positioned on the rear side of the lower bracket, And the front end is connected to the upper end of the link and the slide shaft through the slide slot, A left lock member provided with a lock plate, a coil spring, a lock pin, a spring, and an operation lever, the lock plate having a plurality of lock holes drilled at regular intervals, a lock member provided on the left side of the lock member, A height adjustable desk including a movable lock plate which is installed at the top of the link and which is provided as a slide shaft and in which a plurality of lock holes are perforated at regular intervals, a coil spring, a lock pin, a spring, and a right lock member having a spring and an operation lever do.

The height adjustable desk according to the present invention allows anyone to sit on a normal desk or table without being distracted by the height, and to adjust the height easily and easily, so that it can conveniently perform sitting and standing as well as computer work And at the same time, it does not occupy a lot of space, so that it can be moved and stored very easily.

1 is a perspective view of a height adjustable desk according to the present invention;
FIG. 2 is a side view showing an example of use of the height adjustable desk of FIG.
Fig. 3 is a perspective view of the lumbar vertebrae shown in Fig. 1,
Fig. 4 is a perspective view of the left part of Fig.
Fig. 5 is a perspective view of the right part of Fig. 3,
6A and 6B are views showing a right side view of the elevation adjustment table of FIG. 1,
Figs. 7A and 7B are front views partially enlarged and enlarged in the operating state of the left lock member in Fig.
Fig. 8 is a perspective view of the keyboard plate in Fig. 1,
9A and 9B are right side views showing the state in which the keyboard board of Fig. 8 is drawn in and out
Fig. 10 is a perspective view of the elevation adjustment desk shown in Fig. 1,
Fig. 11 is a plan view showing a state in which the left link member is superimposed on Fig. 10

Hereinafter, a height adjusting desk according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a height adjustable desk according to the present invention, FIG. 2 is a side view showing an example of a height adjustable desk of FIG. 1, and FIG. 3 is a perspective view, FIG. 4 is a perspective view showing an enlarged view of the left part in FIG. 3, FIG. 5 is a perspective view showing an enlarged and enlarged right part of FIG. 3, FIGS. 7A and 7B are front views showing a partially cut-away enlarged view of the operation state of the left lock member in FIG. 1; FIG.

1 to 7 (a) and 7 (b), each of the upper and lower plates 10, 10 ', the left and right upper and lower brackets 20, 20', the right upper and lower brackets 30, Left and right link members 40, 40 ', left and right lock members 50, 50', and traction springs 60, 60 '.

The upper plate 10 is formed in a rectangular shape having a predetermined thickness and size and the lower plate 10 'corresponding to the upper plate includes a rear portion 11 and left and right side portions 12 12 ").

The formation of the lower plate 10 'so as to have a "C" shape is intended to minimize the use amount and weight of the material, thereby reducing cost and handling.

The left and right widths and the front and back lengths of each of the left and right portions 12 and 12 'of the lower plate are the same as the left and right widths of the upper and lower plates 10 and 10' The left and right lower brackets can be stably fixed on the upper surfaces of the left and right portions in proportion to the left and right widths and the front and rear lengths of the lower brackets 20 'and 30'.

The front and rear widths of the upper and lower plates 10 and 10 'are proportional to the front and rear widths of a general desk 1 or table widely used for business purposes or the like, It is preferable to set the size to such an extent that a stand can be installed.

In order to do so, the height adjustable desk according to the present invention is placed on a common desk 1 or a table so that it can be used both standing and standing.

The upper and lower brackets 20 and 20 'on the left side are horizontally extended to the left and right at the upper ends of the left and right post 211 and 212 of the body, respectively, Left and right projecting portions 23 and 23 'which are pierced to face each other in the middle portion of the left and right sides of the post, and fixing portions 22 and 22' And a hinge shaft hole 25 formed at the rear end of the post so as to be positioned on the same horizontal line as the slide hole.

The left and right upper and lower brackets 20 and 20 'formed in this manner are mounted on the left side of the lower surface of the upper plate 10 and the upper surface of the left side 12 of the lower plate 10'

That is, the upper bracket 20 is fixed to the upper side of the upper plate 10 with the fixing pieces 22 and 22 'upward, Attach the screws to the top plate.

The lower bracket 20 'is turned over 180 ° so that the positions of the front and rear ends of the lower bracket 20 are reversed with respect to the upper bracket 20 so that the slide slots 24 are located on the right rear side and the fixing pieces 22 and 22' The screw is stuck on the left side of the fixing piece from the upper side through the screw holes formed at predetermined intervals in the fixed pieces.

The upper and lower brackets 20 and 20 'on the left side are installed on the upper left side of the lower plate 10' and the lower left side of the upper plate 10 so as to face each other symmetrically with respect to the upper and lower sides.

The upper and lower brackets 30 and 30 'on the right side are horizontally extended left and right respectively at the upper ends of the left and right plates 311 and 312 of the main body, Left and right projecting holes 33 and 33 'formed in the middle of the left and right side plates to face each other, and a pair of left and right projecting holes 33 and 33' And a shaft pin hole 35 formed in the same horizontal line as the slide hole at the rear end of the seat plate.

The right and left upper and lower brackets 30 and 30 'formed in this manner are respectively mounted on the lower right side of the upper plate 10 and the upper side of the right side 12' of the lower plate 10 'so as to face each other.

That is, in the upper bracket 30, the fixing plates 32 and 32 'are brought into close contact with the lower right side of the upper plate 10 with the upper plate 32 upward, Attach it to the top plate.

The upper and lower ends of the lower bracket 30 'are turned upside down by 180 ° so as to be shifted from the upper bracket 30 so that the slide holes 34 are located on the left rear side and the fixing plates 32 and 32' The screws are inserted and attached to the fixing plates through the screw holes drilled at regular intervals on the fixing plates.

The upper and lower brackets 30 and 30 'on the right side are installed on the lower right side of the upper plate 10 and the upper side of the right side 12' of the lower plate 10 'so as to face each other symmetrically.

The front and rear lengths of the brackets 20 and 20 'and the brackets 30 and 30' that are installed in this manner are equal to each other and the lengths of the protrusions 23 and 23 'and the protrusions 33 and 33' The drilling positions and lengths of the slide slots 24 and the slide holes 34 and the drilling positions of the hinge shaft holes 25 and the shaft pin holes 35 are equal to each other.

The left and right link members 40 and 40 'are two links 41 and 41' each having a predetermined length formed of a steel plate. In the middle of each of the links, a long shaft hole 411 is formed, And a hinge hole 413 is drilled at each lower end of the hinge hole 412.

The left link member 40 formed in this way connects the left and right upper and lower brackets 20 and 20 'attached to the lower left side of the upper plate 10 and the upper side of the left side 12 of the lower plate 10' The link member 40 connects the upper and lower brackets 30 and 30 'on the right side attached to the lower right side of the upper plate 10 and the upper side of the right side 12' of the lower plate 10 ' Let's give it.

That is, when the left link member 40 connects the left side of the upper plate 10 with the left side upper and lower brackets 20 and 20 'provided on the left side 12 of the lower plate 10', two links 41 The upper hinge hole 412 of the link 41 intersects the hinge shaft hole 25 located at the rear end of the post 212 of the upper bracket 20 provided on the upper plate 10 And the hinge hole 413 at the lower end is provided with a hinge shaft hole 25 which is located at the front end of the post 212 of the lower bracket 20 'provided at the seat portion 12' of the lower plate 10 ' ) With a hinge shaft 42 '.

The upper hinge hole 412 of the link 41 'is inserted into the slide slot 24 which is located on the front side of the post 212 of the upper bracket 20 provided on the left side of the upper plate 10, And the hinge hole 413 at the lower end is disposed on the rear side of the post 212 of the lower bracket 20 'provided on the seat portion 12' of the lower plate 10 ' And is mounted on a slide shaft 43 'which is inserted into the slot 24 and moves forward and backward.

In addition, the long axis holes 411 in the middle of the links 41 and 41 'which intersect with each other in the "x" shape and coincide with each other are provided at the left end of the long axis 44.

On the other hand, when connecting the right side upper and lower brackets 30 and 30 'provided on the right side of the upper plate 10 and the right side 12' of the lower plate 10 'with the right side link member 40' The upper hinge hole 412 of the link 41 intersects the shaft pin hole 35 at the rear end of the seat plate 311 of the upper bracket 30 provided on the upper plate 10 And the hinge hole 413 at the lower end is disposed at the front end of the left plate 311 of the lower bracket 30 'provided at the right portion 12' of the lower plate 10 ' The pin hole 35 is provided with a shaft as a hinge shaft 42 '.

The upper hinge hole 412 of the link 41 'is inserted into the slide hole 34 which is positioned on the front side of the post 311 of the upper bracket 30 provided on the upper plate 10, And the hinge hole 413 at the lower end is disposed on the slide shaft 43 which is located on the rear side of the seat 311 of the lower bracket 30 'provided on the right side portion 12' And is mounted on a slide shaft 43 'which is inserted into the slide shaft 34 and moves forward and backward.

In addition, the long axis holes 411 in the middle of the links 41 and 41 'which intersect with each other in the shape of "X" and coincide with each other are provided on the right end of the long axis 44.

When the left and right upper and lower brackets 20 and 20 'and the right upper and lower brackets 30 and 30' are connected to the left and right link members 40 and 40 ', respectively, Quot; X ", the links 41 and 41 ', which are axially installed in an intersecting manner, are raised and lowered in proportion to the degree of folding and unfolding.

In the above description, the middle of the links 41 and 41 'intersecting with each other in the shape of a letter' 'is axially coupled to the left and right ends of the long shaft 44, respectively, although the left and right link members 40 and 40' But the present invention is not limited thereto. If necessary, the intermediate shaft may be axially coupled with each shaft, and the present invention is also included in the scope of the present invention.

The left and right lock members 50 and 50 'are provided with the movable lock plates 51 and 51', the coil springs 52 and 52 ', the support plates 53 and 53', the cover plates 54 and 54 The lock pins 55 and 55 ', the springs 56 and 56', and the operation levers 57 and 57 '.

The slide lock plate 51 of the left lock member 50 is formed of a steel plate so as to have a predetermined length of " C "shape and includes a slide shaft hole 511 formed at the middle of the front end thereof, A plurality of lock holes 512 formed at predetermined intervals and support pieces 513 extending horizontally to the left at upper and lower ends.

The movable lock plate 51 is inserted into the body 21 of the left upper bracket 20 so that the slide shaft hole 511 is inserted through the slide slot 24 formed in the post 212 to the left side of the left link member 40 The link 41 'is coincident with the upper hinge hole 412 and is provided with a shaft as the slide shaft 43, thereby moving back and forth by the link as described later.

At this time, the up and down height of the movable lock plate 51 and the width of the support pieces 513 in the left and right directions are proportional to the height and the width of the inside of the body 21 of the left upper bracket 20, To move back and forth.

The coil spring 52 pulls the movable lock plate 51 backward to smoothly move backward. To this end, the front end is hooked to the movable lock plate, the rear end is hooked to the upper end hinge of the link 41 of the left link member 40, The hole 412 is provided to be hooked on the inner end of the hinge shaft 42 which is axially engaged with the hinge shaft hole 25 formed at the rear end of the body 21 of the upper bracket 20.

With this arrangement, the coil spring 52 is stretched when the movable lock plate 51 is fully charged, and a tension generated thereby acts to pull the movable lock plate rearward, thereby allowing the movable lock plate to smoothly move backward.

The support plate 53 includes a vertical portion 531, a horizontal portion 532 extending from the lower end of the vertical portion, and a protrusion 23 'formed in the left side 211 of the upper bracket 20, And a through hole 533 that is formed to coincide with the through hole 533.

The cover plate 54 may be provided with front and rear pieces 541 that are folded and extended in two stages corresponding to each other and an exposure hole 542 formed in the rear side to be punched in accordance with the through hole 533.

One end of the lock pin 55 is coupled through the exposure hole 542 to be exposed to the outside of the cover plate 54 and the other end is coupled to the through hole 533 and the protruding / An interlocking shaft 551 which is installed in such a manner as to penetrate through the protruding and retreating opening 23 'in order to be exposed to the outside of the post 212 of the body 21 and to be inserted through the intermediate portion in the forward and backward directions, And an interlocking roller 522 provided on the shaft.

The rear end of the interlocking shaft 551 is coupled to and supported by the supporting elongated hole 543 formed horizontally in the rear portion of the cover plate 54 so as to be pushed by the operation lever 57, So that deformation does not occur.

The spring 56 is provided at one end portion interposed between the ears engaging with one end portion of the lock pin 55 and the exposure hole 542. The elasticity of the spring 56 is a force for always moving the lock pin to the right side The other end thereof is exposed to the outside of the post 212 of the body 21 through one of the lock holes 512 and the protruding / retracting opening 23 'to hang the movable lock plate 51, The movement of the movable lock plate by the lock plate is not arbitrarily released and the phenomenon that the weight of the monitor 2 installed on the upper plate 10 or the upper plate which is raised even if the upper plate is pressed during use is lowered arbitrarily Do not occur.

The operation lever 57 is installed on the vertical portion 531 with a pin shaft 571. The front end portion of the operation lever 571 passes through the front piece 541 to be exposed forward and is inclined downward toward the vertical portion 531 And a movable piece 572 which is formed such that a groove through which the lock pin 55 passes orthogonally is opened downward.

7A, the movable piece 572 rises and the elasticity of the spring 56 causes the elastic force of the spring 56 to move the lock pin 55. As a result, The other end is moved to the post 212 side and is hooked through one of the lock holes 512 and the protruding / retracting opening 23 ', so that the movable lock plate 51 is stopped so as not to be moved back and forth, and the interlocking roller 522 And is brought into close contact with the lower end surface of the movable piece.

However, when the front end is raised and the operation lever 57 is correctly rotated about the pin shaft 571, the movable piece 572 is lowered and pushes the interlocking roller 522, so that the other end of the lock pin 55 The spring 56 is compressed and the stationary state of the movable lock plate 51 is released as shown in 7b so that the movable lock plate 51 can be moved forward and backward, (522) is brought into close contact with the upper end surface of the movable piece.

The lock member 50 on the left side is provided with a lock pin 55, a spring 56 and operation levers 57 mounted between the support plate 53 and the cover plate 54, A coupling bolt 502 is coupled to the coupling holes so as to penetrate the coupling holes and the gap maintaining pipe in a state where the gap maintaining pipe 501 is interposed between the supporting plate and the cover plate at the binding holes located at the lower side, The front and rear ends of the front and rear ends 541 and the vertical portion 531, which are fastened and assembled together, are attached together by screws together to the front side of the left side of the left side 211.

The slide lock plate 51 'of the right lock member 50' is elongated by a steel plate so as to have a "C" shape and has a slide shaft hole 511 formed at the middle of the front end thereof, A plurality of locking holes 512 formed at upper and lower ends of the locking holes 512 and extending horizontally to the right at the upper and lower ends.

The slide lock shaft 511 is inserted through the slide hole 34 formed in the seat plate 311 of the right upper bracket 30 in a state where the slide lock shaft 51 ' Is provided with the slide shaft 43 coinciding with the hinge hole 412 at the upper end of the link 41 'of the member 40', thereby moving back and forth by the link as described later.

At this time, the upper and lower height of the movable lock plate 51 'and the left and right widths of the support pieces 513 are made proportional to the height and the width of the inside of the main body 31 of the upper bracket 30, To move back and forth.

The coil spring 52 'is the same as the coil spring 52 and pulls the movable lock plate 51' backward to smoothly move backward. To this end, the front end is hooked to the movable lock plate, A hinge shaft 412 of the upper end of the link 41 'of the member 40' coincides with the shaft pin hole 35 formed at the rear end of the main body 31 of the upper bracket 30, .

With this arrangement, the coil spring 52 'is stretched when the movable lock plate 51' is fully charged, and the tension generated thereby acts to pull the movable lock plate backward, thereby allowing the movable lock plate to smoothly move backward.

The lock pin 55 'has the same structure as that of the lock pin 55 except that the lock pin 55' passes through the exposure hole 542 and is exposed to the outside of the cover plate 54 ' And is provided with a hole 533 and a protruding and retracting hole 33 'so as to penetrate through one of the lock holes 512 and the protruding and retracting hole 33 and to be exposed to the outside of the seat 311 of the main body 31, And an interlocking roller 522 provided on the rear end of the interlocking shaft.

The rear end of the interlocking shaft 551 is pivotally supported by the support slot 543 horizontally perforated in the rear portion of the cover plate 54 'so as to be pushed by the operation lever 57' So that horizontal movement and deformation do not occur.

The spring 56 'is provided at one end portion interposed between the ears engaging with one end of the lock pin 55' and the exposure hole 542, and the resilience thereof is such that the lock pin 55 ' The other end thereof is exposed to the outside of the seat 311 of the main body 31 through one of the lock holes 512 and the protruding and retracting holes 33 to hang the movable lock plate 51 ' The stopping state of the movable lock plate by the lock pin is not arbitrarily released and the weight of the monitor 2 installed on the upper plate 10 or the upper plate which is raised even if the upper plate is pressed during use is lowered arbitrarily So that the phenomenon does not occur.

The operation lever 57 'is provided on the vertical portion 531 with a pin shaft 571. The front end portion of the operation lever 571 passes through the front piece 541 and is exposed forward, And a movable piece 572 extending obliquely and having a groove through which the lock pin 55 'passes at right angles to open downward.

When the operation lever 57 'is rotated counterclockwise about the pin shaft 571 and the front end portion thereof is lowered, the movable piece 572 rises and the other end of the lock pin 55' The movable lock plate 51 'is stopped so as not to be moved back and forth and the interlocking roller 522 is moved upward by the movement of the movable lock plate 51' And is brought into close contact with the lower end surface of the movable piece.

However, when the front end portion is raised and the operation lever 57 'is properly rotated about the pin shaft 571, the movable piece 572 is lowered and pushes the interlocking roller 522 so that the other end of the lock pin 55' The spring 56 'is compressed and the stationary state of the movable lock plate 51' is released so that it can be moved back and forth, and at the same time, the movable roller 51 ' 522 are brought into close contact with the upper surface of the lowered movable piece.

The lock member 50 'on the right side is provided with a lock pin 55', a spring 56 'and an operation lever 57' mounted between the support plate 53 'and the cover plate 54' A coupling bolt 502 is inserted through the coupling holes and the gap maintaining pipe in a state in which the gap maintaining pipe 501 is interposed between the supporting plate and the cover plate at the binding holes located at the midway between the supporting plate and the cover plate The front and rear ends of the front and rear end pieces 541 and the vertical portion 531 which are tightly joined to each other by tightening the nut at the end portion are attached together with screws on the front side portion of the right side plate of the right side plate 312 together.

The front end of the traction spring 60 is connected to the hinge shaft 42 'or the lower bracket 20' for axially coupling the lower end of the link 41 of the right link member 40 to the hinge shaft hole 25 of the lower bracket 20 ' And the rear end is hooked to a slide shaft 43 'which is inserted into the slide slot 24 located at the rear side of the lower bracket 20' do.

When the slide shaft 43 'is moved to the rear end of the slide slot 24, the pulling spring 60 is extended, and the elasticity of the pulling spring 60 acts as a force for pulling the slide shaft forward. Smoothly moving forward.

The front end of the traction spring 60 'is connected to a hinge shaft 42 or a lower bracket (not shown) for axially coupling the lower end of the link 41 of the left link member 40' to the shaft pin hole 35 of the lower bracket 30 ' And a rear end of the slide shaft 43 'is connected to one of the caps 10a that are coupled to the front end or the front end of the lower bracket 30' and the rear end is connected to the slide hole 34 positioned at the rear side of the lower bracket 30 ' .

In this case, the pulling spring 60 'is extended when the slide shaft 43' moves to the rear end of the slide hole 34, so that its elasticity acts as a force for pulling the slide shaft forward. So that it smoothly moves forward.

The front ends of the traction springs 60 and 60 'are provided with a screw shaft 71 which is not engaged with the inner surface of the cap 10a but which is idly coupled through the center of the caps, And a nut tube 72 which is moved forward and backward in accordance with the rotation direction of the screw shaft, the nut is guided to the inner end of the nut tube of the tension adjusting means 70 so that the screw shaft is rotated in the tightening direction, It is preferable to make it possible to adjust the tension so that the tensile force is weakened as the tensile force is increased.

Fig. 8 is a perspective view of the keyboard plate taken in an enlarged and enlarged manner in Fig. 1, and Figs. 9a and 9b are right side views showing a state in which the keyboard plate of Fig.

FIGS. 8 to 9A and 9B are diagrams for explaining the construction of the height adjusting desk according to the present invention. The height adjusting desk according to the present invention further comprises a keyboard plate 80 installed on the bottom surface of the upper plate 10 in such a manner as to draw- will be.

The keyboard plate 80 includes left and right brackets 81 attached to the left and right sides of the lower surface of the upper plate 10 in the front-rear direction, rails 82 attached to the inner surfaces of the brackets, And the upper horizontal portion 841 extending to the rear are attached to the front end portion of the moving piece respectively and the upper surface of the lower horizontal portion 842 extending forward is provided with the supporting plate 83, And a moving base 84 for attaching the left and right lower surfaces of the base 85 to each other.

The keyboard plate 80 may be pulled forward by pulling it when it is used, and may be pulled backward when it is not being used.

The height adjusting desk according to the present invention is configured such that when the computer is standing upright, the height of the top board 10 on which the monitor 2 is mounted is placed on a general desk 1 or a table, The keyboard board 80 is taken out and the keyboard 3 and the mouse are placed on the upper surface.

Further, when the upper plate 10 is completely lifted for use, the links 41 and 41 'of the left and right link members 40 and 40' are completely unfolded to form the respective slide shafts 43, Are located at the rear ends of the slide holes 34 of the left upper bracket 20 and the right upper bracket 30 which are located on the same line and conversely the respective slide shafts 43 ' The slide slots 24 and the slide holes 34 are positioned at the front ends of the slide holes 34 so as to be advanced by the contraction of the left and right lower brackets 60 and 60 'and positioned on the same line of the left and right lower brackets 20' do.

At this time, since the movable lock plates 51 and 51 'of the left and right lock members 50 and 50' are retracted, the coil springs 52 and 52 'are contracted, The other ends of the lock pins 55 and 55 'are hooked by the other ends. Therefore, even if the upper plate 10 is pressed, the slide shaft 43 does not move forward and is not lowered.

When the upper plate 10 is lowered in this state, when the operation levers 57 and 57 'are operated to lower the movable pieces 572 to push the interlocking rollers 552, the lock pins 55 'Are released from the protruding / retracting opening 23' and the protruding / retracting hole 33, respectively, so that the stopping state of the movable lock plates 51 and 51 'is released.

At this time, the springs 56 and 56 'are compressed and their elasticity acts as a force to push the lock pins 55 and 55' toward the protruding and retracting holes 23 'and the protruding and retracting holes 33, respectively.

Since the slide shafts 43 are moved forward to the front end positions of the slide slots 24 and the slide holes 34 by depressing the upper plate 10 in this way, the left and right link members 40, The links 41 and 41 'of the coil spring 40' are reversely rotated so that the upper plate 10 is lowered and the coil springs 52 and 52 'and the traction springs 60 and 60' And act as a force for pulling the lock pins 55 and 55 'and the slide shafts 43 and 43', respectively.

When the operation levers 57 and 57 'are released in this process, any one of the lock holes 512 of the movable lock plates 51 and 51', which are moved forward together by the slide shafts 43, The lock pins 55 and 55 'are pushed toward the protruding and retreating holes 23' and the protruding and retracting holes 33 by the elasticity of the springs 56 and 56 ' So that the movable lock plate and the slide shaft are prevented from moving forward, so that the forward movement of the movable lock plate and the movement of the left and right link members 40 and 40 ' The lowering of the upper plate is stopped and the height is adjusted.

Therefore, the height of the upper plate 10 can be adjusted in multiple steps according to the number and the interval of the lock holes 512 formed in the movement lock plates 51, 51 '.

On the other hand, when the left and right operating levers 57 and 57 'are released in a state in which the upper plate 10 is completely lowered, the lock pins 55 and 55' are released by the elasticity of the compressed springs 56 and 56 ' The other ends of the lock plates 51 and 51 'pass through the lock holes 512 formed at the rear end of the lock plates 51 and 51', respectively, and are hooked on the protrusions 23 'and the protrusions 33.

Even if the coil springs 52 and 52 'and the traction springs 60 and 60' act as a force for pulling the lock pins 55 and 55 'and the slide shafts 43' Since the lock plates 51 and 51 'are stopped by the lock pins 55 and 55' and stopped, the upper plate 10 is overlapped with the lower plate 10 'without arbitrarily rising.

When the upper plate 10 is raised in this state, the operation levers 55 and 55 'are first operated to lower the respective movable pieces 572 to push the interlocking rollers 552 so that the lock pins 55 55 'to come out of the protruding and retracting opening 23' and the protruding and retracting opening 33 '.

The lock pins 55 and 55 'are moved backward by the retraction force of the coil springs 52 and 52' which are simultaneously extended as the movable lock plates 51 and 51 ' The slide shafts 43 'are moved forward by the contracting force of the left and right link members 40 and 40' so that the upper and lower link members 40 and 40 ' .

In order to adjust the height of the upper plate 10 in multiple steps, the upper plate is lowered by operating the left and right lock members 50 and 50 ' do.

FIG. 10 is a perspective view partially illustrating another example of the left and right link members applied to the height adjustable desk of FIG. 1, and FIG. 11 is a plan view showing an overlapping state of the left link members in FIG.

Another example of the left and right link members according to Figs. 10 and 11 is to prevent the phenomenon that the link 41 (41 ') inadvertently overlapped when the upper plate 10 is lowered, .

In order to do this, the upper and lower ends of the links 41 and 41 'are respectively bent in two steps in the same direction as the inclined plane 41a and the flat plane 41b and at the same time, The lengths of the links are shorter than the slopes of the other links, and when the links overlap each other in proportion to the difference in length, a gap is formed between the links so that the fingers are not caught.

Accordingly, when the middle of the links 41 and 41 'is provided on the long axis 44, a support ring 41c having a thickness proportional to the distance between the links is provided.

The height control desk according to the present invention allows a person to sit on a common desk or table without having to worry about burden and height, It is very easy to adjust the height and it does not occupy a lot of space, so that it can be moved and stored very easily.

10,10 ': upper and lower plates 20, 20': upper left and lower brackets
21: Body 22, 22 ': Fixing piece
23,23 ': left and right protrusion 24: slide slot
25: Hinge shaft hole 30, 30 ': Right upper and lower brackets
31: main body 32, 32 ': fixed plate
33,33 ': left and right haunching ball 34: slide ball
35: shaft pin hole 40, 40 ': left and right link member
41, 41 ': Link 42: Hinge axis
43, 43 ': slide shaft 44:
41a: slope surface 41b: flat surface
41c: support ring 50, 50 '; Left and right lock members
51, 51 ': movement lock plate 52, 52': coil spring
53, 53 ': Support plate 54, 53': Cover plate
55,55 ': Lock pin 56,56': Spring
57,57 ': Operation lever 60, 60': Traction spring
70: tension adjusting means 71: screw shaft
72: nut tube 80: keyboard plate
81: left and right brackets 82: rail
83: moving piece 84: moving piece
85:

Claims (5)

An upper panel (10) for installing a monitor;
A lower plate 10 'corresponding to the upper plate 10;
A fixing piece 22 and 22 'horizontally extending leftward and rightward from the upper ends of the left and right halves 211 and 212 of the body 21 and the left and right halves 211 and 212 A left and right projecting and retracting openings 23 and 23 'are formed in the intermediate portion of the post 212 so as to be slid horizontally between the front end of the postal 212 and the left and right projecting portions 23' And a hinge shaft hole 25 formed at the rear end of the post 212 to be positioned on the same horizontal line as the slide slot 24, A left upper bracket 20 attached to the left side of the lower surface of the upper plate 10;
Is formed in the same manner as the left upper bracket 20 and the body 21 is turned upside down while the slide slot 24 is positioned to face the upper bracket 20 symmetrically to the upper bracket 20 ' A left lower bracket 20 'attached and attached;
A main body 31 and fixing plates 32 and 32 'horizontally extending left and right from the upper ends of the left and right plates 311 and 312 of the main body 31 and left and right plates 311 and 312 And a slide hole 334 which is horizontally perforated between the front end of the seat plate 311 and the left and right eye protruding holes 33, And a shaft pin hole 35 formed at the rear end of the right plate 312 to be positioned on the same horizontal line as the slide hole 34. The slide hole 34 is disposed in front of the upper plate 10 A right upper bracket 30 attached to a lower right side of the lower bracket 30;
Is formed on the right side of the upper surface of the lower plate 10 'so as to face the upper bracket 30 so as to face the upper bracket 30 while the main body 31 is turned upside down, A right lower bracket 30 'attached and installed;
The upper end of the link 41 is connected to a hinge shaft hole (not shown) of the upper bracket 20. The upper end of the link 41 is connected to the left end of the long shaft 44, 25 is provided with a hinge shaft 42 and the lower end is provided with another hinge shaft 42 at a hinge shaft hole 25 located at the front end of the post 212 of the lower bracket 20 ' The upper end of the upper bracket 20 is inserted into the slide slot 24 of the upper bracket 20 so as to be axially mounted on the slide shaft 43 to be moved forward and backward and the lower end thereof is positioned on the rear side of the lower bracket 20 ' A left link member 40 provided on an axis of the slide shaft 43 'which is inserted into the slide slot 24 and moved forward and backward;
The upper end of the link 41 is connected to a shaft pin hole (not shown) of the upper bracket 30, 35 is provided with a hinge shaft 42 and the lower end is provided on the shaft pin hole 35 located at the front end of the seat plate 311 of the lower bracket 30 'with another hinge shaft 42, The upper end of the lower bracket 30 'is inserted into the slide hole 34 of the upper bracket 30 so that the lower end of the slide bracket 30' A right link member 40 'provided on an axis of the slide shaft 43' to be inserted and moved forward and backward;
The front end of the link 21 is connected to the upper end of the link 41 'through the slide slot 24 and the slide shaft 43. A plurality of lock holes 512 are formed in the body 21, A coil spring 52 installed to pull the movable lock plate 51 backward and a horizontal portion 532 extending from the lower ends of the vertical portion 531 and the vertical portion 531 A supporting plate 53 having a through hole 533 formed in the rear portion thereof in conformity with the protruding and retreating opening 23 'and a front and rear portions 541 extending in two stages corresponding to each other, A cover plate 54 which is closely attached to the front and rear ends of the cover plate 54 and attached to the post 211 and which is provided with a through hole 533 at the rear thereof with an exposure hole 542, The other end is exposed through the through hole 533, the protruding / retracting opening 23, the lock hole 512 and the protruding / retracting opening 23 ' ) And others A lock pin 55 having an interlocking shaft 551 which is coupled to the intermediate portion so as to be penetrated forward and rearward and an interlocking roller 522 which is installed on the interlocking shaft and is provided at one end of the lock pin 55, A spring 56 fixed to the vertical portion 531 by a pin shaft 571 and having a front end passing through the front piece 541, The movable piece 572 is exposed to the front and the movable piece 572 is provided with the operation lever 57 extending downwardly inclined toward the vertical part 531 so as to push the interlocking roller 522 perpendicularly to the lock pin 55, The lock member 50 of the first embodiment,
The front end of the link 41 'is connected to the upper end of the link 41' through the slide hole 34 and the slide shaft 43. A plurality of lock holes 512 are formed in the body 31, A coil spring 52 'installed to pull the movable lock plate 51'rearward; a horizontal spring 53 'extending from the lower ends of the vertical part 531 and the vertical part 531, A supporting plate 53 'which is formed with a through hole 533 formed in a rear portion thereof in correspondence with the protruding and retreating hole 33 and a front and rear portion 541 which is bent and extended in two steps corresponding to each other, A cover plate 54 'which is closely attached to the front and rear ends of the portion 531 and attached together with the right plate 311 and has an opening hole 542 formed in the rear side thereof in conformity with the through hole 533, Exposed through the exposure hole 542 and exposed to the outside of the cover plate 54 'and the other end is passed through the through hole 533, the protruding and retracting hole 33', one of the lock holes 512, And the outside of the main body 31 A lock pin 55 'which is installed so as to be exposed to the side of the lock pin 55' and which has an interlocking shaft 551 which penetrates through the intermediate part in the front and rear direction and an interlocking roller 552 which is installed on the interlocking shaft 551; A spring 56 'which is interposed between the ears and the exposure hole 542 which are engaged with one end of the support plate 53' and the support plate 53 ' 541 and exposed at the front end and a groove at which the lock pin 55 'is orthogonal to the rear end is opened downwardly and the movable piece 572 pushing the interlocking roller 552 is extended downwardly toward the vertical portion A right lock member 50 'formed with an operation lever 57'
The front end of the left link member 40 is connected to the front end or the front end of the hinge shaft 42 'or the lower bracket 20' that axially connects the lower end of the link 41 of the left link member 40 to the hinge shaft hole 25 of the lower bracket 20 ' A trailing spring 60 attached to a slide shaft 43 'which is engaged with any one of the coupling caps and the rear end of which is inserted into the slide slot 24 located at the rear side of the lower bracket 20';
The front end of the lower link member 40 'is connected to the lower end of the link 41 of the right link member 40' by the front end or front end of the hinge shaft 42 or the lower bracket 30 ' And a trailing spring 60 'which is installed by hanging on a slide shaft 43' which is engaged with a cap coupled to the slide shaft 34 and the rear end of which is inserted into the slide hole 34 located on the rear side of the lower bracket 30 ' Wherein the height adjustable desk is configured to adjust the height of the desk. The method according to claim 1,
Screw shafts 71 which pass through the centers of the caps which respectively engage with the front ends of the lower brackets 20 'and 30' and are idly coupled to each other, Tensioning means 70 (70) which is provided to move back and forth along the direction of rotation of the shafts 71 and which has a nut tube 72 for hanging the front ends of the traction springs 60 and 60 '≪ RTI ID = 0.0 > 1, < / RTI > The method according to claim 1,
Further comprising a keyboard plate (80) installed on the lower surface of the upper plate (10) so as to be pulled forward or rearward. The method according to claim 1,
The links 41 and 41 'of the left and right link members 40 and 40' are formed by extending the upper and lower ends of the left and right link members 40 and 40 'in two directions in the same direction so as to form an inclined face 41a and a flat face 41b, The inclined surface 41a of the link 41 is formed to be shorter than the inclined surface 41a of the link 41 'and the length of the inclined surface 41a of the link 41 is proportional to the length difference of the inclined surface 41a And a shaft is provided on the long shaft (44) with a support ring (41c) having a thickness that is substantially equal to the thickness of the support ring (41c). The method of claim 3,
The keyboard plate 80 includes left and right brackets 81 attached to the left and right sides of the lower surface of the upper plate 10 in the front and rear direction and rails 82 attached to the inner surfaces of the brackets 81, The moving pieces 83 which are respectively connected to the rails 82 so as to move forward and backward and the upper horizontal portions 841 extending to the rear respectively adhere to the front end of the moving piece 83, And a moving base (84) for attaching the left and right lower surfaces of the receiving plate (85) to the upper surface of the extending lower side horizontal portion (842).
KR1020150056501A 2015-04-22 2015-04-22 Adjust the height of desk KR101551337B1 (en)

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PCT/KR2016/004229 WO2016171511A1 (en) 2015-04-22 2016-04-22 Height adjustable desk

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CN108143095A (en) * 2017-12-27 2018-06-12 乐歌人体工学科技股份有限公司 Lifting work table
KR101902769B1 (en) * 2016-08-31 2018-10-01 이상진 Height adjustable table desk
WO2019117686A1 (en) * 2017-12-15 2019-06-20 주식회사 삼홍사 Height-adjustable table
KR20200025512A (en) * 2018-08-30 2020-03-10 엘지전자 주식회사 Refrigerator

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CN206079596U (en) * 2016-07-15 2017-04-12 余亦枢 Liftable stand -type desk
CN107149286A (en) * 2017-06-28 2017-09-12 陈工 Same table and its supporting construction
USD913019S1 (en) 2019-03-07 2021-03-16 Key Ovation, Llc Desk

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
KR101902769B1 (en) * 2016-08-31 2018-10-01 이상진 Height adjustable table desk
WO2019117686A1 (en) * 2017-12-15 2019-06-20 주식회사 삼홍사 Height-adjustable table
CN108143095A (en) * 2017-12-27 2018-06-12 乐歌人体工学科技股份有限公司 Lifting work table
CN108143095B (en) * 2017-12-27 2024-04-12 乐歌人体工学科技股份有限公司 Lifting work table
KR20200025512A (en) * 2018-08-30 2020-03-10 엘지전자 주식회사 Refrigerator
KR102542609B1 (en) 2018-08-30 2023-06-12 엘지전자 주식회사 Refrigerator

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