KR101548002B1 - The driving device of the electric table height adjustment - Google Patents

The driving device of the electric table height adjustment Download PDF

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Publication number
KR101548002B1
KR101548002B1 KR1020150100492A KR20150100492A KR101548002B1 KR 101548002 B1 KR101548002 B1 KR 101548002B1 KR 1020150100492 A KR1020150100492 A KR 1020150100492A KR 20150100492 A KR20150100492 A KR 20150100492A KR 101548002 B1 KR101548002 B1 KR 101548002B1
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KR
South Korea
Prior art keywords
hole
housing
power transmission
guide
driving
Prior art date
Application number
KR1020150100492A
Other languages
Korean (ko)
Inventor
김시년
Original Assignee
(주)우진쿼터스
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Publication date
Application filed by (주)우진쿼터스 filed Critical (주)우진쿼터스
Priority to KR1020150100492A priority Critical patent/KR101548002B1/en
Application granted granted Critical
Publication of KR101548002B1 publication Critical patent/KR101548002B1/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
    • 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
    • A47B13/00—Details of tables or desks
    • A47B13/02—Underframes
    • 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
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/004—Top adjustment

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  • Tables And Desks Characterized By Structural Shape (AREA)

Abstract

The present invention relates to a height adjusting device of an electric table including: housings joined and fixated to a fixing frame by being inserted into spaces formed in a longitudinal direction of the fixing frame, including an installation hole penetrating a bottom; multi-stage supporting columns joined and installed in the lower sides of the housings; and a driving means composed of a rotary guide fixated and installed inside the housings by forming a seating groove on an inner circumference, a power transmission unit composed of a rotary port fitted into the seating groove of the rotary guide, bolt shafts protruding downwards through the installation holes of the housings and inserted into the multi-stage supporting columns, and an interlocking shaft protruding towards an upper side of the rotary shaft, lifting guides screw-joined to the bolt shafts by being installed inside the multi-stage, and a driving unit rotating a power transmission unit composed of a fixing body forming a rotary gear with a rotary hole wherein the interlocking shaft of the power transmission unit is inserted, fixated, and joined to the rotary guide and a motor integrally formed with the fixing body rotating the rotary gear. The present invention adjusts the length of the multi-stage supporting columns by rotating the power transmission unit while the power transmission unit is guided by the lifting guides when the driving unit is driven; thus adjusting the height of the fixing frame.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an electric table height adjusting apparatus,

The present invention relates to a height adjusting drive device for an electric table, and more particularly, to an advantage of not damaging or deforming even when a large load or a moving arrangement occurs due to a rigid fixed installation, And more particularly, to a height adjustment driving apparatus for a power table capable of easily and safely adjusting a height of a fixed frame by smoothly performing an elevating operation of a power transmitting portion according to driving.

Generally, the desk is formed of a top plate fixing frame formed in a rectangular shape so that the top plate and the top plate are fixedly supported, and a support column frame fixed to each corner of the top plate fixing frame to support the top plate fixing frame.

In recent years, an electric table capable of adjusting the height of the table has been developed as shown in Patent Publication No. 10-1033004.

1. Registration Patent No. 10-1033004 (Apr. 27, 2011) "Electric table height adjusting device" - Woo Sung Power Tech Co., Ltd.

 Such an electric table has a problem in that the supporting column frame is formed on both sides of the fixed frame for supporting the upper plate, so that the strength is weak. Therefore, when the electric table is moved and moved, frequent breakage due to concentrated load, There was a problem.

In addition, in the related art, since the driving device provided on the electric table for lifting and lowering the table is provided on the support leg provided on the lower side of the support post frame, the support post frame is damaged or deformed And frequent breakdowns were caused.

An object of the present invention is to provide an electric power steering apparatus in which a turning guide is fixed to the inside of a housing and then a bolt shaft of the power transmitting portion is inserted through a mounting hole of a rotating guide through a mounting hole of a rotating guide, The driving unit can be firmly fixed to the housing by fixing the driving unit to the rotating guide so that the rotating hole of the driving unit is fitted into the interlocking shaft of the power transmitting unit. And the housing can be firmly fixed to the fixed frame by only bolt-coupling, thereby preventing breakage or deformation even when a large load or moving arrangement is provided.

In addition, the present invention is characterized in that not only the fastening post of the multi-stage support post is bolted to the fastening protrusion of the housing, but also the lower end of the top post which is slidably engaged with the fastening post, And the height of the power transmitting portion is smoothened by driving the driving portion so that the height of the fixing frame can be adjusted safely and easily by the rotation of the power transmitting portion while being guided by the rotation guide. The purpose is to provide.

In order to achieve the above object, according to the present invention, there is provided a portable terminal comprising: a housing, which is inserted into and fixed to a space formed in a front and rear direction of a fixed frame, A multi-stage support column coupled to a lower portion of the housing; A rotatable guide which is formed in the inner periphery of the housing and which is fixed to the inside of the housing, a turning hole which is fitted in the seating groove of the rotatable guide, A power transmission portion having a bolt shaft and an interlocking shaft protruding upward from the turning hole; an elevating guide provided inside the multi-stage supporting column and screwed to the bolt shaft of the power transmitting portion; And a drive unit configured to rotate the power transmission unit, the drive unit comprising a fixed body fixedly coupled to the rotation guide and a motor configured to rotate integrally with the fixed body to rotate the power transmission unit. The power transmission portion is rotated by the operation of the driving portion while being guided by the elevation guide And a height of the fixed frame is adjusted by controlling the length of the multi-stage support column.

The height adjustment drive device of the electric table of the present invention is characterized in that the rotation guide is fixed to the inside of the housing and then the bolt axis of the power transmission portion is passed through the installation hole of the housing through the seat groove of the rotation guide, The driving means can be firmly fixed to the housing by fixing the driving portion to the rotating guide so that the rotating hole of the driving portion is inserted into the interlocking shaft of the power transmitting portion, Since the housing can be firmly fixed to the stationary frame by only bolt-fitting the stationary frame in a state where it is inserted into the space of the stationary frame, it is not damaged or deformed even under a large load or in a moving arrangement.

In addition, the present invention is characterized in that not only the fastening post of the multi-stage support post is bolted to the fastening protrusion of the housing, but also the lower end of the top post which is slidably engaged with the fastening post, Since the power transmitting portion is rotated while being guided by the turning guide, the elevation operation of the power transmitting portion due to the driving of the driving portion is smooth, so that the height adjustment of the fixing frame can be safely and easily performed.

1 and 2 are perspective views showing a state in which a height adjusting and driving device of the electric table of the present invention is fixed to a fixed frame.
3 is a partial cross-sectional view showing a state in which the height adjustment driving device of the electric table of the present invention is fixed to a fixed frame.
4 is a perspective view explaining a state in which the driving device of the present invention is coupled to the housing and the multi-stage support pillars.
5 is a perspective view of the height adjustment driving device of the electric power table according to the present invention.

Hereinafter, the structure of the present invention will be described.

1 to 5, the driving means 400 may be connected to the housing 200 and the multi-stage supporting pillars 300 to adjust the height of the power table, which can be fixedly coupled to the fixed frame 100. [ A drive unit 400 including a housing 200, a multi-stage support column 300, a rotation guide 410, a power transmission unit 420, an elevation guide 430, and a drive unit 440, The length of the multi-stage support pillar 300 is adjusted through the operation in which the power transmission unit 420 is rotated while being guided by the elevation guide 430 according to the driving of the driving unit 440, And the height thereof is adjusted, which will be described in more detail below.

First, the fixed frame 100 includes a supporting means 110 and supporting means 120 fixedly coupled to the supporting means 110 before and after the supporting means 110 so that the housing 200 can be fixedly installed The support means 110 is integrally formed at the lower portion of the support base 111 so as to connect the support base 111 to each other by forming a first coupling hole 111a and being spaced apart from each other, And a supporting plate 115 formed integrally on the upper surface of the supporting table 111 and protruding outward to form a second coupling hole 115a, And a reinforcing plate 117 integrally formed on the front and rear surfaces of the support base 111 and protruding outwardly to form a third coupling hole 117a.

The supporting means 120 may include a support plate 125 which is formed in the fourth coupling hole 125a corresponding to the second coupling hole 115a and is bolted to the top and rear upper surfaces of the support plate 115, And a reinforcing pedestal 127 formed integrally with the pedestal plate 125 and constituting a fifth engaging hole 127a corresponding to the third engaging hole 117a and bolted to the reinforcing plate 117. [

Second, the housing 200 is inserted and fixed in the space 113a formed in the forward and backward directions of the fixed frame 100. The housing 200 includes a hole 111a corresponding to the first coupling hole 111a of the support frame 111, 200a and is coupled by bolts. A receiving space 201 is formed inside the driving means 400, and the upper side is opened.

A mounting hole 210 for connecting the driving means 400 to the multi-stage support pillar 300 is formed in the lower portion of the accommodation space 201. The mounting hole 201 is formed in the lower portion of the housing 200 And the coupling protrusion 220 protruded downward around the center of the coupling protrusion 210 is further hollowed to enhance ease of coupling with the multi-stage support pillars 300. The coupling protrusion 220 has a multi- More preferably, a fastening hole 221 for bolt-joining the column 300 is further included.

The upper surface of the housing 200 fixed by bolts inserted into the space 113a of the fixed frame 100 is fixed to the upper surface of the support plate 115 formed in the support means 110 of the fixed frame 100 The support plate 125 of the support means 120 supporting the upper plate 600 is reinforced and supported by the housing in addition to the support plate 125 of the support means 110 It has the advantage of being able to withstand large loads.

Third, the multi-stage support pillar 300 is configured to be coupled to the coupling protrusion 220 formed at the lower portion of the housing 200 as described above, and has a multi-stage structure for height adjustment.

The multistage support pillar 300 includes a top pillar 310 located on the outer side and a pillar 310 located on the inside of the top pillar 310 and slidably coupled to the top pillar 310, The fastening column 320 includes a fastening hole 321 corresponding to the fastening hole 221 of the fastening protrusion 220. The fastening hole 321 may be formed by fastening the bolt It is preferable to more firmly fasten the fast column 320 to the housing 200.

Although not shown in the drawing, the fast columns 320 may be formed of one or more, that is, two or three, and the fast columns 320 may be formed as one, (Not shown) for guiding slide movement is formed on the inner surface of the top pillar 310 and the outer side surface of the pillar 320, Time) may be further included.

Fourth, the driving means 400 is connected to the multi-stage support pillar 300 in a state of being fixed to the accommodation space 201 of the housing 200 to move the pillar 320 of the multi-stage support pillar 300 up and down And includes a rotation guide 410, a power transmitting portion 420, an elevation guide 430, and a driving portion 440, which will be described below in detail.

The rotation guide 410 of the driving unit 400 is fixed to the accommodation space 201 formed inside the housing 200 by bolts to fix the driving unit 440 and rotate by the driving unit 440 A mounting groove 411 in which the turning portion 421 constituting the power transmitting portion 420 is seated is disposed at an inner periphery of the mounting hole 210 of the housing 200 And a communication hole 411a communicating with the mounting hole 210 is formed at the center of the mounting groove 411. [

The power transmitting portion 420 of the driving means 400 is rotated by the driving portion 440 in a state of being seated in the seating groove 411 of the turning guide 410, A rotary shaft 421 which is fitted in the seating groove 411 of the rotation guide 410 and a rotary shaft 421 which is inserted through the communication hole 411a and the installation hole 210, A bolt shaft 423 protruding from the lower side of the rotary shaft 421 and fitted into the multi-stage support pillar 300 and an interlocking shaft 425 protruding upward from the rotary shaft 421 do.

In order to facilitate the rotation of the power transmitting portion 420 by driving the driving portion 440, the bolt shaft 423 and the interlocking shaft 421 may be integrally formed with the power transmitting portion 420, And a bearing which is rotatably coupled between the first and second bearings 425 and 425.

The elevating guide 430 of the driving means 400 is installed inside the multi-stage support pillar 300 and is screwed to the bolt shaft 423 of the power transmission portion 420. The lower multi- And the upper inner side is screwed to the bolt shaft 423 of the power transmission unit 420 to move up and down the power transmission unit 420 It acts as a guide.

The elevating guide 430 may be fixedly coupled to the multi-stage supporting pillar 300 by various methods. In the present invention, the multi-stage supporting pillar 300 And a plurality of first and second through holes 311 and 312 are formed in a lower portion of the top pillar 310. The lower portion of the elevation guide 430 is formed to correspond to the first through hole 311 It is preferable to further include a screw hole 432 corresponding to the fitting protrusion 431 and the second through hole 312. According to this configuration, The elevating guide 430 is inserted into the lower portion of the top pillar 310 of the multi-stage supporting pillar 300 through the coupling screw 450 screwed into the screw hole 432 through the second through hole 312 So that it can be firmly fixed and installed.

The driving unit 440 of the driving unit 400 is configured to adjust the height of the upper plate 600 through the rotation of the power transmitting unit 420. The driving unit 440 of the driving unit 400 controls the height of the upper plate 600, A fixed body 445 fixed to the rotary guide 410 to form a rotary gear 443 having a rotary hole 441 in which the rotary gear 441 is inserted and a fixed body 445 integrally formed with the fixed body 445, And a motor 447 for rotating the motor 443.

When the driving shaft 440 is driven to rotate the interlocking shaft 425 of the power transmitting portion 420 fitted in the rotating hole 441 of the rotating gear 443, The rotation of the bolt shaft 423 is stably interlocked.

When the power transmission unit 420 is stably rotated, the elevation guide 430 screwed to the bolt shaft 423 of the power transmission unit 420 is supported by the multi-stage support pillar 300, The power transmitting portion 420 can be stably moved up and down while being guided by the elevation guide 430 while the power transmitting portion 420 is stably fixed to the top pillar 310 of the multi- The height of the housing 200 and the height of the fixed frame 100 and the top plate 600 can be stably interlocked with each other while the column 320 is stably lifted and operated while being guided by the top column 310. [

Hereinafter, the operation of the present invention will be described.

First, when the driving unit 440 is operated by the user's operation, the power transmitting unit 420 coupled to the turning gear 443 of the driving unit 440 receives the power and operates in conjunction with the power transmitting unit 420 Is rotated while being guided by the seating groove 411 of the rotation guide 410.

The bolt shaft 423 formed in the power transmitting portion 420 is screwed to the elevating guide 430 while the elevating guide 430 is rotated, Since the power transmission unit 420 is fixed in a fixed manner to the top pillar 310 of the multi-stage support pillar 300 while being guided by the elevation guide 430 that is threadedly engaged, A working action is achieved.

Accordingly, the rotation guide 410, the driving unit 440, the housing 200, and the stationary frame 100, which are connected to the power transmission unit 420, operate in conjunction with the lifting operation of the power transmission unit 420, .

When the lifting operation is performed, the upper portion of the fastening column 320, which is formed on the multi-stage support pillar 300 and is slidably coupled to the pillar 310, is firmly fixed to the coupling protrusion 220 of the housing 200 The elevation shaft 320 is moved upward and downward while being guided by the top pillar 310 so that the elevating and lowering operations of the power transmission portion 420 and the speed column 320 are performed Is stably achieved.

In the present invention, the housing 200 to which the driving means 400 is coupled is fixed to the space 113a of the fixed frame 100. In this case, The structure in which the elevation guide 430 engaged with the power transmitting portion 420 is combined with the top pillar 310 and the structure in which the top pillar 310 is coupled with the power transmitting portion 420, The durability of the fastening pillar 320 slidingly joined to the inner circumference of the housing 200 is increased by the double coupling structure in which the fastening pillar 320 is coupled to the coupling protrusion 220 of the housing 200. Thus, .

Therefore, there is an advantage that the maintenance is easy since the trouble is not generated even for a long time use.

100: fixed frame 113a: space
200: housing 200a: hole 201: accommodating space 210: mounting hole 220: engaging protrusion 221: engaging hole
300: multi-stage supporting column 310: top column 311, 312: first and second through holes 320: fast column 321: fastening hole
The present invention relates to a driving apparatus for an automotive vehicle, which comprises a driving unit, a driving unit, a rotating guide, a mounting groove, and a communication hole, Rotating hole 443: Rotating gear 445: Fixing body 447: Motor 450: Coupling screw

Claims (4)

A housing 200 inserted and fixed in a space 113a formed in the forward and backward directions of the fixed frame 100 and having an installation hole 210 penetrating the lower portion thereof;
A multi-stage support pillar 300 coupled to a lower portion of the housing 200;
A rotation guide 410 formed in the inner periphery of the housing 200 to form a seating groove 411,
The pivoting guide 410 includes a pivot hole 421 that is fitted in the mounting groove 411 and a mounting hole 210 that is formed in the mounting hole 210 of the housing 200, A power transmitting portion 420 having a bolt shaft 423 and an interlocking shaft 425 protruding upward from the turning hole 421,
An elevation guide 430 installed inside the multi-stage support column 300 and screwed to the bolt shaft 423 of the power transmission unit 420,
A fixed body 445 fixed to the rotation guide 410 and constituting a rotating gear 443 having a rotating hole 441 in which the interlocking shaft 425 of the power transmitting portion 420 is inserted, And a driving unit 440 including a motor 447 integrally formed with the driving gear 445 and rotating the rotating gear 443 to rotate the power transmitting unit 420,
The length of the multi-stage support pillar 300 is adjusted by the rotation of the power transmission unit 420 while being guided by the elevation guide 430 in accordance with the driving of the driving unit 440, Wherein the height adjustment mechanism comprises:
The apparatus according to claim 1, wherein the multi-stage support pillar (300) comprises a top pillar (310) positioned on the outer side and a middle pillar (320) slidably coupled to the top pillar (310)
The housing 200 and the fastening column 320 are coupled to each other by a coupling protrusion 220 formed at a lower portion of the housing 200 to fasten and fasten the fastening column 320. [ Driving device.
The power transmission table according to claim 2, wherein coupling holes (221, 321) corresponding to each other are bolted to the coupling protrusions (220) and the fast columns (320) of the housing (200) Height adjustment drive.
[2] The apparatus according to claim 1, wherein a plurality of first and second through holes (311, 312) are further formed in a lower portion of the multi-stage support pillar (300)
A fitting protrusion 431 corresponding to the first through hole 311 and a screw hole 432 corresponding to the second through hole 312 are formed at a lower portion of the elevation guide 430 formed in the driving means 400 Included,
The fitting protrusion 431 fitted into the first through hole 311 and the fitting screw 450 screwed into the threaded hole 432 through the second through hole 312 can be used to connect the elevating guide 430 to the multi- Wherein the support column (300) can be fixedly installed inside the support column (300).
KR1020150100492A 2015-07-15 2015-07-15 The driving device of the electric table height adjustment KR101548002B1 (en)

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KR1020150100492A KR101548002B1 (en) 2015-07-15 2015-07-15 The driving device of the electric table height adjustment

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Application Number Priority Date Filing Date Title
KR1020150100492A KR101548002B1 (en) 2015-07-15 2015-07-15 The driving device of the electric table height adjustment

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KR101548002B1 true KR101548002B1 (en) 2015-08-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE541193C2 (en) * 2015-10-30 2019-04-30 Timotion Technology Co Ltd Platform lift device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200349551Y1 (en) 2004-02-18 2004-05-04 명진실업 주식회사 Apparatus for controling high and low of desk

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200349551Y1 (en) 2004-02-18 2004-05-04 명진실업 주식회사 Apparatus for controling high and low of desk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE541193C2 (en) * 2015-10-30 2019-04-30 Timotion Technology Co Ltd Platform lift device

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