KR20000020220U - A device for adjusting hight of desk and chair - Google Patents

A device for adjusting hight of desk and chair Download PDF

Info

Publication number
KR20000020220U
KR20000020220U KR2019990007263U KR19990007263U KR20000020220U KR 20000020220 U KR20000020220 U KR 20000020220U KR 2019990007263 U KR2019990007263 U KR 2019990007263U KR 19990007263 U KR19990007263 U KR 19990007263U KR 20000020220 U KR20000020220 U KR 20000020220U
Authority
KR
South Korea
Prior art keywords
gripping
block
height
holding pipe
hole
Prior art date
Application number
KR2019990007263U
Other languages
Korean (ko)
Inventor
최화순
윤종규
우옥주
차동렬
Original Assignee
이구택
포항종합제철 주식회사
신현준
재단법인 포항산업과학연구원
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 이구택, 포항종합제철 주식회사, 신현준, 재단법인 포항산업과학연구원 filed Critical 이구택
Priority to KR2019990007263U priority Critical patent/KR20000020220U/en
Publication of KR20000020220U publication Critical patent/KR20000020220U/en

Links

Classifications

    • 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
    • A47B9/08—Tables with tops of variable height with clamps acting on vertical rods
    • 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
    • A47B95/00—Fittings for furniture
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A47C3/28—Chairs or stools with vertically-adjustable seats with clamps acting on vertical rods

Landscapes

  • Tables And Desks Characterized By Structural Shape (AREA)

Abstract

본 고안은 책걸상의 높낮이조절장치에 관한 것으로, 특히 책상판(20) 또는 걸상판(17)을 지지하는 상부지주관(2)이 하부지주관(1)의 내주면을 따라 상하이동되면서 상기 책상판(20) 또는 걸상판(17)의 높낮이를 조절하는 책걸상의 높낮이조절장치에 있어서, 상기 상부지주관(2)과 하부지주관(1)을 삽입하는 상하축방향의 소경부(9-1)와 대경부(9-2)가 연이어 형성되고, 좌우축방향의 파지홀(6)이 상기 소경부(9-1)와 연결되도록 형성되며, 전후축방향의 삽입홀(10-1,10-2)이 상기 파지홀(6)을 관통하도록 형성되는 조절블록(3)과; 상기 파지홀(6)에 삽입되면서 그 전면에 형성된 파지홈(6-2)이 상기 상부지주관(2)의 외주면에 밀착되도록 설치되는 파지블록(4)과; 그 전후단이 각각 상기 삽입홀(10-1,10-2)에 끼워지면서 편심부(5-3)가 상기 파지블록(4)의 조절홀(4-1)에 삽입되어 회전시 상기 파지블록(4)을 전후진하도록 설치되는 캠블록(5)으로 구성되는 것을 특징으로 하는 책걸상의 높낮이조절장치에 관한 것이다.The present invention relates to a height-adjusting device on a bookshelf, and in particular, the upper support pipe 2 supporting the desk plate 20 or the bench plate 17 moves along the inner circumferential surface of the lower support pipe 1 while the desk plate 20 is moved. Or in the height adjustment device on the stool for adjusting the height of the stool plate 17, the small diameter portion 9-1 and the large diameter portion in the vertical axis direction for inserting the upper holding pipe (2) and the lower holding pipe (1) 9-2) are successively formed, and the gripping hole 6 in the left and right axial directions is formed to be connected to the small diameter portion 9-1, and the insertion holes 10-1 and 10-2 in the front and rear axial directions are formed as described above. An adjusting block 3 formed to penetrate the holding hole 6; A gripping block (4) inserted into the gripping hole (6) and installed so that the gripping groove (6-2) formed on the front surface thereof is in close contact with the outer circumferential surface of the upper holding pipe (2); The front and rear ends thereof are fitted into the insertion holes 10-1 and 10-2, respectively, and the eccentric portion 5-3 is inserted into the adjustment hole 4-1 of the gripping block 4 and rotates the gripping block. It relates to a height-adjusting device on a bookshelf, characterized in that the cam block (5) is installed to move forward and backward (4).

Description

책걸상의 높낮이조절장치{A DEVICE FOR ADJUSTING HIGHT OF DESK AND CHAIR}Height adjustment device of bookshelf {A DEVICE FOR ADJUSTING HIGHT OF DESK AND CHAIR}

본 고안은 책걸상의 높낮이조절장치에 관한 것으로, 특히 책상판 또는 걸상판의 높낮이를 사용자의 체형에 맞게 용이하고도 효율적으로 조절할 수 있는 책걸상의 높낮이조절장치책걸상의 높낮이조절장치에 관한 것이다.The present invention relates to a height adjustment device on a desk, particularly to a height adjustment device on a desk, which can easily and efficiently adjust the height of a desk or a table according to the user's body type.

종래의 책,걸상 높낮이 조절장치는 도1에 도시한 바와같이 책,걸상판을 지지하는 4개의 상부지주관(25)에 각각 높이조절봉(22)이 2개의 지지커버(21)와 볼트(23) 및 너트(24)에 의해 고정되도록 삽입되어 있다.Conventional book, stool height adjustment device, as shown in Figure 1, the height adjustment rods 22, respectively, on the four upper support pipes 25 for supporting the book, the stool plate, two support covers 21 and bolts ( 23) and the nut 24 to be fixed.

이때, 책상판의 높낮이 조정은 먼저 지지커버(21)와 높이조절봉(22)을 차례로 관통하는 볼트(23)를 해체한 다음, 자유로워진 상부지주관(25)을 상하이동시키면서 책상판의 높이를 조정한 후, 상부지주관의 하단이 지지커버(21)의 내측턱에 의해 지지되도록 지지커버를 볼트(23) 및 너트(24)를 이용하여 상부지주관과 높이조절봉(22)의 결합부위에 고정 부착시키게 된다.At this time, to adjust the height of the desk plate, first dismantle the bolt 23 through the support cover 21 and the height adjustment rod 22 in turn, and then adjust the height of the desk while moving the free upper holding pipe (25). Then, using the bolt 23 and the nut 24 to support the lower end of the upper support pipe by the inner jaw of the support cover 21 to the coupling portion of the upper support pipe and the height adjustment rod 22. It will be fixed.

이처럼, 종래의 책,걸상 높낮이 조절장치는 책,걸상판의 높낮이 조절시 여러개의 볼트(23)와 너트(24), 지지커버(21)를 해체 조립하는 작업이 매우 번거롭고, 사용중 볼트나 너트가 망실되는 등 부품관리가 어려우며, 볼트 및 너트 등이 외부로 노출되어 있어 외관상 단정치 못한 문제점이 있다.As such, the conventional book, stool height adjustment device is very cumbersome to dismantle and assemble a number of bolts 23 and nuts 24, the support cover 21 when adjusting the height of the book, stool plate, the bolt or nut during use Parts management is difficult, such as the loss, and the bolt and nut is exposed to the outside there is a problem in appearance not neat.

본 고안은 캠축을 간단히 회전시켜 파지블록을 전후진시킴으로써 상부지주관의 높낮이 조절이 가능하고, 이로써 책상판 또는 걸상판의 높낮이를 사용자의 체형에 맞게 용이하고도 효율적으로 조절할 수 있는 책걸상의 높낮이조절장치책걸상의 높낮이조절장치를 제공함에 그 목적이 있다.The present invention is capable of adjusting the height of the upper holding pipe by simply rotating the camshaft to move the grip block forward and backward, and thus the height adjustment device of the bookshelf that can easily and efficiently adjust the height of the desk plate or the stool plate to the user's body shape. The purpose is to provide a height adjustment device on the bookshelf.

도1은 종래의 책걸상의 높낮이조절장치를 나타내는 단면도,1 is a cross-sectional view showing a height adjustment device on a conventional bookcase;

도2는 본 고안에 따른 책걸상의 높낮이조절장치를 나타내는 분해사시도,Figure 2 is an exploded perspective view showing the height adjustment device on the bookshelf according to the present invention,

도3은 본 고안에 따른 책걸상의 높낮이조절장치의 해체상태를 나타내는 일측면도(a)와 단면도(b),Figure 3 is a side view (a) and cross-sectional view (b), showing the dismantling state of the height adjustment device on the bookshelf according to the present invention,

도4는 본 고안에 따른 책걸상의 높낮이조절장치의 체결상태를 나타내는 일측면도(a)와 단면도(b),Figure 4 is a side view (a) and a cross-sectional view (b) showing the fastening state of the height adjustment device on the bookshelf according to the present invention,

도5는 본 고안에 따른 높낮이조절장치가 장착된 책상을 나타내는 사시도,5 is a perspective view showing a desk equipped with a height adjusting device according to the present invention,

도6은 본 고안에 따른 높낮이조절장치가 장착된 걸상을 나타내는 단면도이다.Figure 6 is a cross-sectional view showing a stool mounted height adjustment apparatus according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

16: 수평지지판 17: 걸상판 18: 수평지지관 19: 수납함 20: 책상판16: Horizontal support plate 17: Stool plate 18: Horizontal support tube 19: Storage box 20: Desk plate

상기한 목적을 달성하기 위하여 본 고안은 책상판 또는 걸상판을 지지하는 상부지주관이 하부지주관의 내주면을 따라 상하이동되면서 상기 책상판 또는 걸상판의 높낮이를 조절하는 책걸상의 높낮이조절장치에 있어서, 상기 상부지주관과 하부지주관을 삽입하는 상하축방향의 소경부와 대경부가 연이어 형성되고, 좌우축방향의 파지홀이 상기 소경부와 연결되도록 형성되며, 전후축방향의 삽입홀이 상기 파지홀을 관통하도록 형성되는 조절블록과; 상기 파지홀에 삽입되면서 그 전면에 형성된 파지홈이 상기 상부지주관의 외주면에 밀착되도록 설치되는 파지블록과; 그 전후단이 각각 상기 삽입홀에 끼워지면서 편심부가 상기 파지블록의 조절홀에 삽입되어 회전시 상기 파지블록을 전후진하도록 설치되는 캠블록으로 구성되는 것을 특징으로 하는 책걸상의 높낮이조절장치를 제공한다.In order to achieve the above object, the present invention provides a height adjustment device of a bookcase for adjusting a height of the desk plate or a stool plate while the upper supporter supporting the desk plate or a stool plate is moved along the inner circumferential surface of the lower supporter. The small diameter portion and the large diameter portion in the up-and-down axial direction for inserting the secondary support pipe and the lower support pipe are successively formed, and the gripping holes in the left and right axial directions are formed to connect with the small diameter portions, and the insertion holes in the front and rear axial directions penetrate the gripping holes. A control block formed; A gripping block inserted into the gripping hole and installed to hold the gripping groove formed on the front surface of the gripping hole in close contact with an outer circumferential surface of the upper holding pipe; The front and rear ends are inserted into the insertion hole, respectively, and the eccentric portion is inserted into the adjustment hole of the gripping block provides a height adjustment device on the bookcase, characterized in that consisting of the cam block is installed to advance back and forth the gripping block. .

도면을 참조하여 본 고안의 구성을 설명한다.The configuration of the present invention will be described with reference to the drawings.

도2는 본 고안에 따른 책걸상의 높낮이조절장치를 나타내는 분해사시도이고, 도3은 본 고안에 따른 책걸상의 높낮이조절장치의 해체상태를 나타내는 일측면도(a)와 단면도(b)이며, 도4는 본 고안에 따른 책걸상의 높낮이조절장치의 체결상태를 나타내는 일측면도(a)와 단면도(b)이고, 도5는 본 고안에 따른 높낮이조절장치가 장착된 책상을 나타내는 사시도이며, 도6은 본 고안에 따른 높낮이조절장치가 장착된 걸상을 나타내는 단면도이다.Figure 2 is an exploded perspective view showing a height adjustment device on a ledge according to the present invention, Figure 3 is a side view (a) and a cross-sectional view (b) showing a dismantled state of the height adjustment device on a ledge according to the present invention, Figure 4 One side view (a) and a cross-sectional view (b) showing the fastening state of the height adjustment device on the bookshelf according to the present invention, Figure 5 is a perspective view showing a desk equipped with a height adjustment device according to the present invention, Figure 6 is the present invention Cross-sectional view showing a stool mounted with a height adjustment apparatus according to.

본 고안에 따른 조절블록(3)에는 상하방향의 내주면에 소경부(9-1)와 대경부(9-2)가 단턱(9)을 이루면서 연이어 형성되어 있고, 그 좌측면에 수평방향의 파지홀(6)이 소경부(9-1)와 연결되도록 형성되어 있다.In the control block 3 according to the present invention, the small diameter portion 9-1 and the large diameter portion 9-2 are successively formed on the inner circumferential surface of the up and down direction, forming the step 9, and the gripping in the horizontal direction on the left side thereof. The hole 6 is formed to connect with the small diameter part 9-1.

또한, 조절블록(3)에는 그 전후측면에 각각 동일축상의 삽입홀(10-1,10-2)이 파지홀(6)과 연결되도록 형성되어 있고, 특히 삽입홀(10-1)의 직경은 상대적으로 삽입홀(10-2)의 직경보다 크게 형성되어 있다.In addition, the adjustment block (3) is formed on the front and rear sides thereof so that the insertion holes (10-1, 10-2) on the same axis are connected to the holding hole (6), in particular the diameter of the insertion hole (10-1) Is relatively larger than the diameter of the insertion hole (10-2).

이때, 조절블록(3)의 대경부(9-2)에는 하부지주관(1)이 단턱(9)에 밀착되도록 삽입되어 있고, 상부지주관(2)은 조절블록의 소경부(9-1)를 따라 상하강되도록 삽입되면서 그 하단부에 용접되는 부시(7)가 단턱(9)에 걸리게 되어 조절블록으로부터 이탈이 방지된다.At this time, the lower support pipe 1 is inserted into the large diameter portion 9-2 of the control block 3 so as to be in close contact with the step 9, and the upper support pipe 2 is the small diameter portion 9-1 of the control block. Inserted so as to move up and down along the bush 7 is welded to the lower end is caught on the step (9) is prevented from being separated from the control block.

그리고, 조절블록(3)의 파지홀(6)에 끼워지는 파지블록(4)은 그 전면에 형성되는 오목한 파지홈(4-2)이 소경부(9-1)에 삽입된 상부지주관(2)의 외주면에 밀착되면서 상부지주관(2)의 상하이동을 체결하게 된다.In addition, the gripping block 4 fitted into the gripping hole 6 of the adjustment block 3 has an upper holding pipe having a concave gripping groove 4-2 formed in its front surface inserted into the small diameter portion 9-1. It is in close contact with the outer circumferential surface of 2) is to conclude the Shanghai-dong of the upper holding pipe (2).

여기서, 파지블록(4)의 중단부에 형성되는 조절홀(4-1)에는 삽입홀(10-1)을 통해 삽입되는 캠축(5)이 끼워지게 된다.Here, the cam shaft 5 inserted through the insertion hole 10-1 is fitted into the adjustment hole 4-1 formed at the stop of the gripping block 4.

이때, 캠축(5)은 편심부(5-3)의 양단에 중심헤드부(5-1)와 중심테일부(5-2)가 형성되어 있고, 동일축상의 중심헤드부와 중심테일부는 편심부(5-3)의 축중심을 달리하도록 형성되어 있다.At this time, the camshaft 5 has a center head portion 5-1 and a center tail portion 5-2 formed at both ends of the eccentric portion 5-3, and the center head portion and the center tail portion on the same axis are separated. It is formed so that the center of gravity of the core part 5-3 may differ.

다시말하면, 삽입홀(10-1)을 통해 캠축(5)을 끼우면 중심헤드부(5-1)의 턱이 걸리면서 중심헤드부와 중심테일부(5-2)가 각각 삽입홀(10-1,10-2)에 끼워지는 동시에 캠축(5)의 편심부(5-3)가 조절홀(4-1)에 삽입되고, 중심테일부측의 삽입홈(12)에 분할링(12-1)을 끼우면 캠축(5)이 삽입홀(10-1,10-2)로부터 이탈되는 현상을 방지할 수 있게 된다.In other words, when the cam shaft 5 is inserted through the insertion hole 10-1, the jaw of the center head portion 5-1 is caught and the center head portion and the center tail portion 5-2 are respectively inserted into the insertion hole 10-1. 10-2), the eccentric portion 5-3 of the camshaft 5 is inserted into the adjustment hole 4-1, and the split ring 12-1 is inserted into the insertion groove 12 on the side of the center tail portion. ), The camshaft 5 can be prevented from being separated from the insertion holes 10-1 and 10-2.

여기서, 동일축상의 중심헤드부(5-1)와 중심테일부(5-2)를 회전시키게 되면 편심되는 편심부(5-3)가 조절홀(4-1)에 회전되면서 파지블록(4)을 전후진시키게 된다.Here, when the center head portion 5-1 and the center tail portion 5-2 on the same axis are rotated, the eccentric portion 5-3, which is eccentric, is rotated in the adjustment hole 4-1, and the holding block 4 Is advanced).

그리고, 중심헤드부(5-1)에는 그 전면 중심에 육각형의 조절홈(8)이 형성되어 있고, 그 전면 일측에 편심부(5-3)의 편심방향을 가리키는 지시눈금(11-2)이 표시되어 있다.The center head portion 5-1 has a hexagonal adjustment groove 8 formed at the center of the front face thereof, and an indication scale 11-2 indicating the eccentric direction of the eccentric portion 5-3 on one side of the front face thereof. Is indicated.

이때, 조절블록(3)의 전면에는 조절홈(8)의 우측편으로 파지블록(4)에 의한 상부지주관(2)의 체결상태를 나타내는 체결눈금(11-1)이 표시되어 있고, 지시눈금(11-2)이 체결눈금을 가리키면 파지홈(4-2)이 상부지주관에 밀착된 상태임을 나타내지만 지시눈금이 체결눈금의 반대측을 가리킬 경우 상부지주관과 파지홈이 분리된 상태임을 나타내게 된다.At this time, the front of the control block (3) is shown on the right side of the adjusting groove 8, the fastening scale (11-1) indicating the fastening state of the upper holding pipe (2) by the holding block (4) is indicated, If the scale 11-2 points to the fastening scale, the gripping groove 4-2 is in close contact with the upper holding pipe, but if the indicating scale is pointing to the opposite side of the fastening scale, the upper holding pipe and the gripping groove are separated. Will be displayed.

이하, 본 고안의 작용을 설명한다.Hereinafter, the operation of the present invention.

책상판(20) 또는 걸상판(17)의 높낮이 조절시 조절홈(8)에 육각머리의 공구를 삽입하여 캠축(5)을 회전시키게 되는데, 이때 캠축(5)이 180。회전되면서 체결눈금(11-1)을 가르키던 지시눈금(11-2)이 반대측으로 이동하게 되면 회전을 멈추게 된다.When the height of the desk plate 20 or the stool plate 17 is adjusted, a hex head tool is inserted into the adjustment groove 8 to rotate the cam shaft 5, wherein the cam shaft 5 is rotated 180 ° and the fastening scale 11 When the indication scale 11-2 pointing at -1) moves to the opposite side, the rotation stops.

여기서, 편심부(5-3)의 회전으로 파지블록(4)이 파지홀(4-1)을 따라 후진하게 되고, 이에 따라 상부지주관(2)의 외주면에 밀착되어 있던 파지블록의 파지홈(4-2)이 상부지주관의 외주면으로부터 떨어지게 된다.Here, the gripping block 4 is retracted along the gripping hole 4-1 by the rotation of the eccentric portion 5-3, and thus the gripping groove of the gripping block that is in close contact with the outer circumferential surface of the upper holding pipe 2. (4-2) is separated from the outer peripheral surface of the upper holding pipe.

따라서, 상부지주관(2)의 상하강이 자유롭게 되어 책상판(20) 또는 걸상판(17)의 높낮이 조절이 가능하게 된다.Therefore, the upper and lower pipes of the upper holding pipe 2 are free to adjust the height of the desk plate 20 or the stool plate 17.

그리고, 책상판(20) 또는 걸상판(17)의 높낮이를 조절한 후, 육각머리의 공구를 조절홈(8)에 끼워 지시눈금(11-2)이 체결눈금(11-1)을 가리키도록 캠축(5)을 회전시키게 된다.Then, after adjusting the height of the desk plate 20 or the stool plate 17, the tool of the hexagonal head is inserted into the adjustment groove 8 so that the indication scale 11-2 points to the fastening scale 11-1. The camshaft 5 is rotated.

이때, 편심부(5-3)가 조절홀(4-1)내에서 편심회전되면서 파지블록(4)을 파지홀(6)을 따라 전진시키게 되고, 이에 따라 파지홈(4-2)이 상부지주관(2)의 외주면에 밀착되면서 상부지주관의 상하이동을 체결하게 된다.At this time, while the eccentric portion 5-3 is eccentrically rotated in the adjustment hole 4-1, the gripping block 4 is advanced along the gripping hole 6, and thus the gripping groove 4-2 is raised. The close contact with the outer circumferential surface of the site owner (2) is to conclude the Shanghai-dong of the upper holding station.

본 고안은 책상판 또는 걸상판의 높낮이를 사용자의 체형에 맞게 용이하고도 효율적으로 조절할 수 있는 효과를 제공하게 된다.The present invention provides an effect that can easily and efficiently adjust the height of the desk or stool plate according to the user's body shape.

Claims (3)

책상판(20) 또는 걸상판(17)을 지지하는 상부지주관(2)이 하부지주관(1)의 내주면을 따라 상하이동되면서 상기 책상판(20) 또는 걸상판(17)의 높낮이를 조절하는 책걸상의 높낮이조절장치에 있어서,The upper holding pipe 2 supporting the desk plate 20 or the stool plate 17 moves along the inner circumferential surface of the lower holding pipe 1 to adjust the height of the desk plate 20 or the stool plate 17. In the height adjustment device, 상기 상부지주관(2)과 하부지주관(1)을 삽입하는 상하축방향의 소경부(9-1)와 대경부(9-2)가 연이어 형성되고, 좌우축방향의 파지홀(6)이 상기 소경부(9-1)와 연결되도록 형성되며, 전후축방향의 삽입홀(10-1,10-2)이 상기 파지홀(6)을 관통하도록 형성되는 조절블록(3)과;The small diameter portion 9-1 and the large diameter portion 9-2 in the vertical direction in which the upper holding pipe 2 and the lower holding pipe 1 are inserted are successively formed, and the gripping holes 6 in the left and right axial directions are formed. An adjusting block (3) formed to be connected to the small diameter portion (9-1), the insertion holes (10-1, 10-2) in the front and rear axial directions passing through the gripping hole (6); 상기 파지홀(6)에 삽입되면서 그 전면에 형성된 파지홈(6-2)이 상기 상부지주관(2)의 외주면에 밀착되도록 설치되는 파지블록(4)과;A gripping block (4) inserted into the gripping hole (6) and installed so that the gripping groove (6-2) formed on the front surface thereof is in close contact with the outer circumferential surface of the upper holding pipe (2); 그 전후단이 각각 상기 삽입홀(10-1,10-2)에 끼워지면서 편심부(5-3)가 상기 파지블록(4)의 조절홀(4-1)에 삽입되어 회전시 상기 파지블록(4)을 전후진하도록 설치되는 캠블록(5)으로 구성되는 것을 특징으로 하는 책걸상의 높낮이조절장치.The front and rear ends thereof are fitted into the insertion holes 10-1 and 10-2, respectively, and the eccentric portion 5-3 is inserted into the adjustment hole 4-1 of the gripping block 4 and rotates the gripping block. Height adjustment device on a bookcase, characterized in that consisting of a cam block (5) is installed to move forward and backward (4). 제 1 항에 있어서,The method of claim 1, 상기 캠블록(5)의 전단면 중앙에 회전공구를 삽입하는 다각형의 조절홈(8)이 형성되는 것을 특징으로 하는 책걸상의 높낮이조절장치.Height adjustment device on a bookcase, characterized in that the polygonal adjustment groove 8 for inserting the rotary tool in the center of the front end surface of the cam block (5) is formed. 제 1 항에 있어서,The method of claim 1, 상기 파지블록(4)에 의한 상부지주관(2)의 체결상태를 알 수 있도록 상기 캠블록(5)의 전단면과 조절블록(3)의 전면에 각각 지시눈금(11-2)과 체결눈금(11-1)이 표시되는 것을 특징으로 하는 책걸상의 높낮이조절장치.The indication scale 11-2 and the fastening scale on the front face of the cam block 5 and the front of the control block 3 so as to know the fastening state of the upper holding pipe 2 by the holding block 4, respectively. Height adjustment device on a bookcase, characterized in that (11-1) is displayed.
KR2019990007263U 1999-04-30 1999-04-30 A device for adjusting hight of desk and chair KR20000020220U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019990007263U KR20000020220U (en) 1999-04-30 1999-04-30 A device for adjusting hight of desk and chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019990007263U KR20000020220U (en) 1999-04-30 1999-04-30 A device for adjusting hight of desk and chair

Publications (1)

Publication Number Publication Date
KR20000020220U true KR20000020220U (en) 2000-11-25

Family

ID=54762295

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019990007263U KR20000020220U (en) 1999-04-30 1999-04-30 A device for adjusting hight of desk and chair

Country Status (1)

Country Link
KR (1) KR20000020220U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100700022B1 (en) * 2005-04-25 2007-03-26 우준식 The Tent and Height Adjusting Device for Tent

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100700022B1 (en) * 2005-04-25 2007-03-26 우준식 The Tent and Height Adjusting Device for Tent

Similar Documents

Publication Publication Date Title
CN211439035U (en) Clamp for bearing production
KR101583262B1 (en) Support Apparatus for Fishing Rods
KR20000020220U (en) A device for adjusting hight of desk and chair
CN105029935A (en) Rotary chair
CN213822125U (en) Novel multi-angle rotating wheelchair pushing handle structure
CN210929248U (en) Fishing rod with rotary support
CN213411914U (en) Special-shaped pipe clamping device
CN210168331U (en) Cabinet convenient to adjust
CN211091032U (en) Afforestation view tree fixing device
CN220255456U (en) Connecting support for fishing platform
KR200284350Y1 (en) Height adjustment device for books and stools
CN220384712U (en) Rotary structure of rotary sofa
KR200361642Y1 (en) A support for fishing rod
CN219234546U (en) Internal expansion type clamp of lathe
CN112894688B (en) Novel quick locking water pump pliers
CN220408571U (en) Inner hexagonal sleeve with variable inner diameter
CN217408239U (en) Non-detachable height-adjustable supporting leg for furniture
CN216743972U (en) Rotary table lamp
KR200361685Y1 (en) a fishing rod holder
CN214993272U (en) Municipal construction warning sign
CN218104536U (en) Fence is bred to poultry
CN209924310U (en) Connection structure of stair railing and upright post
CN215968343U (en) Frock clamp with fixity can be convenient for angle regulation
CN215806844U (en) Supporting structure for mounting pressure pipeline
CN216776666U (en) Novel curtain rod structure

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination