KR101724693B1 - Desk for controlling height - Google Patents

Desk for controlling height Download PDF

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Publication number
KR101724693B1
KR101724693B1 KR1020160092924A KR20160092924A KR101724693B1 KR 101724693 B1 KR101724693 B1 KR 101724693B1 KR 1020160092924 A KR1020160092924 A KR 1020160092924A KR 20160092924 A KR20160092924 A KR 20160092924A KR 101724693 B1 KR101724693 B1 KR 101724693B1
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KR
South Korea
Prior art keywords
wire
frame
leg
upper plate
fixing block
Prior art date
Application number
KR1020160092924A
Other languages
Korean (ko)
Inventor
장근대
Original Assignee
주식회사 퍼맥스
장근대
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 퍼맥스, 장근대 filed Critical 주식회사 퍼맥스
Priority to KR1020160092924A priority Critical patent/KR101724693B1/en
Application granted granted Critical
Publication of KR101724693B1 publication Critical patent/KR101724693B1/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
    • A47B13/00—Details of tables or desks
    • A47B13/08—Table tops; Rims therefor
    • A47B13/081—Movable, extending, sliding table tops
    • 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
    • A47B17/00—Writing-tables
    • A47B17/02—Writing-tables with vertically-adjustable parts
    • 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
    • A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
    • A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
    • 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
    • A47B9/14—Tables with tops of variable height with pins coacting with holes
    • 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
    • A47B91/00—Feet for furniture in general
    • A47B91/02—Adjustable feet
    • 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
    • A47B95/00—Fittings for furniture
    • 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
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/004—Top adjustment
    • 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
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/005—Leg adjustment

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  • Tables And Desks Characterized By Structural Shape (AREA)

Abstract

An invention relating to a height adjusting desk is disclosed. The height adjusting desk includes a pair of leg portions, a support frame provided on the upper portion of the leg portion and supporting the upper plate, and a height adjusting portion provided on the leg portion to raise and lower the support frame. And an operation part for interrupting the operation of the elevating part and the elevating part for fixing the position of the support frame.

Figure R1020160092924

Description

Height adjustable desk {DESK FOR CONTROLLING HEIGHT}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a height adjusting desk, and more particularly, to a height adjusting desk capable of automatically adjusting a height of a top plate.

Typically, a desk is a piece of furniture used for office work or reading, with a top plate, a leg, and a drawer. From the past, the desk was a pretext for a pedestal, but it was not long ago that it was in the form of a desk for today.

And there is a desk and a western table on the desk. The sitting room is for reading writing for a traditional Korean oven room. Standing is a pair of chairs (or stools), usually a desk (or flat desk), a side sleeve desk, a sleeveless desk, a typing desk, and a computer desk.

Such a desk is composed of an upper plate, a support frame for supporting the upper plate, legs for supporting the support frame in the vertical direction, and the like, and is fixed through a fastening member such as a screw.

Related Prior Art Korean Patent Laid-Open Publication No. 2014-0118117 (Laid-open date: 2014.10.08, title: invention)

An object of the present invention is to provide a height adjusting desk capable of automatically adjusting the height of a top plate according to a user's physical condition or working conditions.

Another object of the present invention is to provide a height adjusting desk capable of automatically adjusting a height of a top plate without using electric power and preventing shaking due to improvement of a connection structure.

The height adjusting desk according to the present invention includes a pair of leg portions, a support frame provided on the leg portion to support the upper plate, and a height adjusting portion provided on the leg portion to raise and lower the support frame, The height adjusting portion includes an elevating portion for elevating and lowering the supporting frame, and an operating portion for interrupting the operation of the elevating portion and fixing the position of the supporting frame.

The support frame includes a main frame provided on the leg portion and contacting the upper plate, and a reinforcing frame connected to the main frame so as to be able to ascend and descend from the leg portion and to prevent the upper plate from shaking .

The reinforcing frame is formed in a shape of a letter 'A' that is bent to the inside of the leg portion.

The elevating portion is an elongated member having one end fixed to the leg portion and the other end fixed to the reinforcing frame.

Further, the stretching member is a gas cylinder.

The actuating part includes a multi-step hole formed in the longitudinal direction of the leg part, a position fixing block provided on the reinforcing frame and having a fixing protrusion elastically supported to the multi-hole side, and a switch part for operating the fixing protrusion .

The switch unit may include a wire connected to the fixing protrusion, a tube surrounding the wire and fixed to the position fixing block, and an operation lever part for causing the wire to be pulled toward the opposite side of the multi-step hole.

The operation lever portion is provided on the bottom surface of the upper plate, and the wire is branched by the branch member provided on the bottom surface of the upper plate and extends to both sides.

The height adjusting desk according to the present invention can automatically adjust the height of the upper plate according to the user's physical conditions and working conditions, thereby providing convenience in use.

Further, since the height of the upper plate can be adjusted without using an electric motor, the manufacturing cost can be reduced.

In addition, the present invention can provide a rigid desk capable of modularization of each part, facilitating disassembly and assembly, and preventing shaking due to the connection structure and shape of the frame.

1 is a perspective view of a height adjusting desk according to an embodiment of the present invention.
2 is an exploded perspective view of a height adjusting desk according to an embodiment of the present invention.
3 is a perspective view showing a reinforcing frame of a height adjusting desk according to an embodiment of the present invention.
4 is a cross-sectional view taken along the line AA in Fig.
5 is a sectional view taken along line BB of Fig.
6 is a cross-sectional view taken along the line CC of Fig.
7 is a cross-sectional view of a height adjusting desk according to an embodiment of the present invention.
8 is a view illustrating a position fixing block of a height adjusting desk according to an embodiment of the present invention.
9 is a view showing the operation of a height adjusting desk operation unit according to an embodiment of the present invention.
FIG. 10 is a view illustrating a height adjustment of a height adjusting desk according to an exemplary embodiment of the present invention.

Hereinafter, an embodiment of a height adjusting desk according to the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a perspective view of a height adjusting desk according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of a height adjusting desk according to an embodiment of the present invention, FIG. FIG. 4 is a sectional view taken along the line AA in FIG. 1, FIG. 5 is a sectional view taken along line BB in FIG. 1, FIG. 6 is a sectional view taken along line CC in FIG. FIG. 8 is a view showing a position fixing block of a height adjusting desk according to an embodiment of the present invention. FIG. 9 is a view showing the operation of a height adjusting desk operating unit according to an embodiment of the present invention. 10 is a perspective view illustrating a height adjustment of a height adjusting desk according to an embodiment of the present invention.

1 to 10, a height adjusting desk 100 according to an embodiment of the present invention includes a leg portion 110, a support frame 120, and a height adjusting portion 130.

The leg portion 110 supports the upper plate at a predetermined height from the bottom surface. Here, the top plate is formed in a flat plate shape on which the article can be placed, and the material thereof can be made of various materials such as wood and steel.

The leg portions 110 are formed as a pair provided on the edge of the upper plate. The leg portion 110 includes a support portion 112 that is in contact with the bottom surface and a support portion 114 that is formed upright from the support portion 112. The support part 112 is provided at its bottom surface with an adjustable foot 113 for adjusting the level of the support part 112 and the support part 114 is formed into a hollow tube shape.

The support frame 120 is provided on the upper portion of the leg portion 110 and supports the upper plate. The support frame 120 is provided on the upper portion of the leg portion 110 and connects the main frame 122 and the leg portion 110 so as to be able to ascend and descend, As shown in FIG. The main frame 122 is formed to have a "C" -shaped cross section with an open bottom, and is connected to the bottom edge of the upper plate by bolting.

3, the reinforcement frame 124 is formed in a '?' Shape that is bent to the inside of the leg portion 110. As shown in FIG. More specifically, the reinforcement frame 124 includes a guide frame 125 slidably engaged around the leg portion 110 and a reinforcement bracket 127 extending horizontally at the upper end of the guide frame 125. The reinforcing bracket 127 is integrally joined to the upper end of the guide frame 125 by welding. The reinforcing bracket 127 covers the upper end of the guide frame 125 and has an engaging piece portion 128 abutting on the engaging cutout portion 126. The engaging cutout portion 126 is formed at the upper end of the guide frame 125, Is formed. Therefore, the welded portion is formed to be wide by the joint cut-out portion 126 and the joint portion 128, so that the rigidity of the guide frame 125 and the reinforcement bracket 127 is improved.

The reinforcing frame 124 includes a supporting bar 129 arranged parallel to the bottom surface of the upper plate and interconnecting the supporting frames 120. At this time, the reinforcement frame 124 is provided with a plate nut 127a that coincides with the fastening hole of the support bar 129.

The height adjusting part 130 includes an elevating part 140 for elevating and lowering the supporting frame 120 and an actuating part 150 for interrupting the operation of the elevating part 140 and fixing the position of the supporting frame 120 . The elevating portion 140 is composed of a stretching member having one end fixed to the leg portion 110 and the other end fixed to the reinforcing frame 124. That is, as shown in Fig. 4, the lower end of the stretching member is fixed to the support portion 114, the upper end thereof is fixed to the reinforcement bracket 127, and is detachably coupled by a separate fastening member. At this time, the supporting pieces 114 and the reinforcing brackets 127 are provided with the mounting pieces 145 by welding so that the extension members are detachably coupled.

A through hole 125a is formed in the guide frame 125 to improve the assembling property of the extension member and the mounting piece 145. [

Such a stretching member is made of a gas cylinder. Although the stretching member is shown as a gas cylinder in the present embodiment, the present invention is not limited thereto, and various modifications such as a spring having a repulsive force in the upward direction are possible.

7, the operation unit 150 controls the height of the upper plate by interrupting the extension of the extension member, and includes a multi-stage hole 160 formed in the longitudinal direction of the leg unit 110, a reinforcing frame 124 And a switch unit 180 for operating the position fixing block 170 and the fixing protrusion 171 provided with a fixing protrusion 171 which is elastically supported on the side of the multi- That is, the slide movement of the guide frame 125 with the leg member 110 as a reference is interrupted by the selective engagement of the multi-stage hole 160 and the fixing protrusion 171 of the position fixing block 170 .

The switch unit 180 includes a wire 180 connected to the fixing protrusion 171 and a tube 184 and a wire 180 that surround the wire and are fixed to the position fixing block 170, And an operation lever part 185 for pulling it to the opposite side. The operating lever portion 185 is composed of a case 186 provided on the bottom surface of the upper plate and an operating piece 187 hinged to the case 186. That is, the wire 180 is pulled by the rotation of the operating piece 187, so that the binding of the multi-step hole 160 and the fixing protrusion 171 can be released.

The fixing block 170 is formed with a receiving hole 172 through which the fixing protrusion 171 can move and the fixing protrusion 171 provided in the receiving hole 172 is fixed to the elastic member 174, As shown in Fig. At this time, the fixing protrusions 171 are formed in two stages to be connected to the wires 180. In order to smoothly operate the wire 180, the wire 180 must maintain a straight line. For this purpose, the wire 180 forms a protrusion at the tip without bending and fixes the wire 180 inside the fixing protrusion 171. The pulling operation of the wire 180 can be smoothly performed by this assembling method.

A gap holding member 175 is provided between the position fixing block 170 and the wire 180 to minimize the gap between the position fixing block 170 and the wire 180. The clearance holding member 175 is fixed inside the position fixing block 170 and is fixed to the tube 184 surrounding the wire 180. Thus, in operation of the switch portion 180, the tube 184 is not moved and only the wire 180 can be moved, which allows precise operation of the wire 180.

At this time, the wire 180 is branched by the branch member 189 provided on the bottom surface of the upper plate and extends to both sides. That is, the wire 180 is branched from the single operation lever portion 185 to both sides and is connected to the fixing protrusion 171 of the position fixing block 170.

Meanwhile, a flow preventing member 190 for preventing the guide frame 125 from sliding when the guide frame 125 is extended due to extension of the stretching member is further provided. 2, a flow preventive member 190 is provided at the upper end of the support part 114 and the lower end of the guide frame 125 to minimize the occurrence of clearance when the guide frame 125 is moved, , And noise can be prevented.

Hereinafter, functions and effects of a height adjusting desk according to an embodiment of the present invention will be described.

The height adjustment desk 100 according to the present invention is simplified in parts by the leg portion 110 and the support frame 120 to improve the transportation and assembling performance. That is, the pair of leg portions 110 are formed integrally with the support portion 114 and the support portion 112, and the support frame 120 includes the main frame 122, the reinforcement frame 124, 129 are coupled to each other by welding so as to be modularized into one component.

The reinforcing frame 124 is provided with a plate nut 127a, so that the support bar 129 can be easily engaged.

The assembly of the height adjusting desk 100 according to the present invention will now be described with reference to the leg portions 110, the support frame 120 and the upper plate, Thereby joining the support frame 120.

At this time, a stretching member is inserted and fixed in the standing support portion 114. More specifically, as shown in FIG. 2, the mounting pieces 145 are fixed by welding to the respective receiving portions 112 and the reinforcing brackets 127, and each of the mounting pieces 145 is provided with a plurality of The upper and lower ends are coupled by the fastening member. At this time, the fastening member can be easily coupled through the through hole 125a of the guide frame 125. [

Then, the upper plate is raised and bolted to the upper part of the support frame 120, so that the assembly of the desk 100 is completed.

3, the reinforcing frame 124 is formed in a shape of a letter "A" consisting of a guide frame 125 and a reinforcing bracket 127, so that the main frame 122 and the reinforcing frame 124 are formed on the bottom surface of the upper plate By touching it in a "T" shape, it is possible to prevent back / forth, left / right rocking.

7, when the fixing protrusion 171 of the initial position fixing block 170 is inserted into the multi-hole 160, as shown in FIG. 7, the height adjusting operation of the height adjusting desk 100 according to the present embodiment will be described. The height of the top plate is fixed.

When the user desires to automatically adjust the height of the upper plate according to physical condition or work conditions, the height of the upper plate can be adjusted by pressing the operation piece 187 of the operation lever portion 185. 9, the wire 180 is pulled by the rotation of the operating piece 187, and when the fixing protrusion 171 is separated from the multi-hole 160 by the pulling of the wire 180, The stretching member made of the cylinder is stretched to raise the support frame 120 and the upper plate. Since the fixing protrusion 171 is resiliently supported by the elastic member 174 in the position fixing block 170, when the pulling of the wire 180 is released, the fixing protrusion 171 is restored to the initial position, The position of the upper plate can be fixed.

Conversely, if the height of the upper plate is to be lowered, the upper plate may be pressed in a state where the fixing protrusion 171 and the multi-hole 160 are separated by pressing the operating piece 187. [

As described above, according to the height adjusting desk according to the embodiment of the present invention, the height of the upper plate can be automatically adjusted according to the physical condition or working condition of the user, thereby providing convenience in use, and the electric motor It is possible to modulate the height of the upper plate, thereby reducing the manufacturing cost and facilitating the disassembly and assembly of each part, and preventing the shaking due to the connection structure and the shape of the frame.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand.

Accordingly, the true scope of protection of the present invention should be defined by the claims.

100: height adjustment desk 110: leg part
112: pedestal 113: adjustable foot
114: Support part 120: Support frame
122: main frame 124: reinforcing frame
125: guide frame 125a: through hole
126: engaging incision 127: reinforcement bracket
127a: Plate nut 128:
129: Support part 130:
140: elevating part 145: mounting part
150: Operation part 160: Multi-step hole
170: Position fixing block 171: Fixing projection
172: receiving hole 174: elastic member
175: Clearance holding member 180:
182: wire 184: tube
185: Operation lever part 186: Case
187: Actuation piece 189:
190:

Claims (8)

And a height regulating portion provided on the leg portion to raise and lower the support frame, the height regulating portion including a pair of leg portions, a height adjusting portion provided on the leg portion to support the upper plate, And an operating portion for interrupting the operation of the elevating portion and the elevating portion and fixing the position of the supporting frame;
Wherein the support frame is provided on the leg portion and includes a main frame in contact with the top plate; And
And a reinforcing frame connected to the main frame so as to be able to ascend and descend from the leg portion and to prevent the top plate from shaking;
Wherein the elevating portion comprises a stretching member having one end fixed to the leg portion and the other end fixed to the reinforcing frame;
Wherein the elongate member comprises a gas cylinder;
Wherein the leg portions and the reinforcing frame are provided with mounting pieces for detachably coupling the extension members;
Wherein the actuating part comprises: a multi-step hole formed in the longitudinal direction of the leg part;
A position fixing block provided on the reinforcing frame and having a fixing protrusion elastically supported to the multi-stage hole side; And
And a switch portion for operating the fixing protrusion;
Wherein the switch unit comprises: a wire connected to the fixing protrusion;
A tube that surrounds the wire and is fixed to the position fixing block; And
And an operating lever portion for causing the wire to be pulled to the opposite side of the multi-stepped hole;
And a clearance holding member is provided between the position fixing block and the wire to minimize clearance between the position fixing block and the wire and to fix the tube to the position fixing block.
delete The method according to claim 1,
Wherein the reinforcing frame is formed in a shape of a letter 'A' that is bent to the inside of the leg portion.
delete delete delete delete The method according to claim 1,
The operation lever portion is provided on the bottom surface of the upper plate;
Wherein the wire is branched by a branch member provided on a bottom surface of the upper plate and extends to both sides.
KR1020160092924A 2016-07-21 2016-07-21 Desk for controlling height KR101724693B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190031015A (en) 2017-09-15 2019-03-25 (주)다보스티엔지 Height Adjustable Desk
KR102061098B1 (en) * 2019-05-21 2019-12-30 (주)베스툴 Apparatus for folding type table
WO2021103638A1 (en) * 2019-11-28 2021-06-03 乐歌人体工学科技股份有限公司 Electric lifting table
KR102388743B1 (en) * 2021-07-28 2022-04-20 주식회사 퍼맥스 Automatic Height-Adjustable Iron Desk with Improved Structural Stability of Top Plate
KR20240082454A (en) 2022-12-01 2024-06-11 박동진 Laying type learning apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09262136A (en) * 1996-03-29 1997-10-07 Koizumi Sangyo Kk Top plate elevator device for furniture
KR20100012201A (en) * 2008-07-28 2010-02-08 서원호 Apparatus for adjusting board angle of table
KR101564873B1 (en) * 2015-02-17 2015-10-30 장근대 Desk

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09262136A (en) * 1996-03-29 1997-10-07 Koizumi Sangyo Kk Top plate elevator device for furniture
KR20100012201A (en) * 2008-07-28 2010-02-08 서원호 Apparatus for adjusting board angle of table
KR101564873B1 (en) * 2015-02-17 2015-10-30 장근대 Desk

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190031015A (en) 2017-09-15 2019-03-25 (주)다보스티엔지 Height Adjustable Desk
KR102061098B1 (en) * 2019-05-21 2019-12-30 (주)베스툴 Apparatus for folding type table
WO2021103638A1 (en) * 2019-11-28 2021-06-03 乐歌人体工学科技股份有限公司 Electric lifting table
KR102388743B1 (en) * 2021-07-28 2022-04-20 주식회사 퍼맥스 Automatic Height-Adjustable Iron Desk with Improved Structural Stability of Top Plate
KR20240082454A (en) 2022-12-01 2024-06-11 박동진 Laying type learning apparatus

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