KR200392869Y1 - Worktable - Google Patents

Abstract

The present invention relates to a paper plate, and more particularly to a paper plate to be able to appropriately vary the length of the top plate in accordance with the width of the working space.

Such a doping plate is a doping plate, a plurality of length members 112 is fixed to the first spaced apart at a predetermined interval 110; and a plurality of length members 122 are fixed to be spaced apart at a predetermined interval and the first top plate A second upper plate 120 engaged between the length members 112 of the 110 and sliding; and a pair of support members 132 and a footrest 134 connecting the support members 132 to form the first and second agents. Leg member 130 for supporting the rear end lower portion of the two upper plate (110,120); And a hinge 140 disposed between the first and second upper plates 110 and 120 and the leg member 130 to enable the leg member 130 to be rotatable.

Description

Paperboards {Worktable}

The present invention relates to a paper plate, and more particularly to a paper plate to be able to appropriately vary the length of the top plate in accordance with the width of the working space.

In the home or office, to replace the fluorescent lamps provided on the ceiling, or to replace a separate facility on the ceiling to work on the ladder to climb or use a chair.

However, for example, if you want to paper the room and the ceiling, the work is very inconvenient with only a narrow chair or ladder. Accordingly, in the case of the drawing holes, the drawing work is carried out while placing a pedestal made of a predetermined length along the transverse direction and moving on the pedestal.

This conventional pedestal is shown in FIG. As shown in this figure, the conventional pedestal is provided on both sides of the long plate-shaped top plate 410 made long along the horizontal direction, the top plate 410 to support the top plate 410 against the ground while the top plate 410 Has a pair of legs 420 that are collapsible.

A folding portion 440 is formed between the leg portions 420 and the upper plate 410 as a means for supporting and folding the leg portion 420 with respect to the upper plate 410. The folding portion 440 has a first link 441 whose one end is fixed to the support bar 430 connecting the pair of legs 420, one end of which is fixed to the lower portion of the upper plate 410, and the other end of the folding portion 440. It has a second link 442 coupled to one link 441 and a hinge 443.

Accordingly, the folding unit 440 and the pair of legs 420 can be easily carried in the folded state toward the lower portion of the upper plate 410. If a pedestal is to be used, the first and second links 441 and 442 of the fold portion 440 are straightened with each other so that the leg portion 420 is disposed on the ground with the leg 420 almost perpendicular to the top plate 410. You can use

However, in the conventional pedestal, since the length of the top plate is fixed, there is a disadvantage that two or more pedestals must be used for the work of a relatively large room or living room. There is a difficult problem.

Therefore, there is a need for a pedestal capable of varying the length of the top plate in accordance with the width of the space to be used.

The present invention has been made to solve the above problems, the object of the present invention is to provide a prefabricated pedestal so that the length of the top plate can be appropriately changed in accordance with the width of the working space.

The invention devised plate for achieving the above object is a plate in the plate, a plurality of length members are fixed to be spaced apart a predetermined interval; And, a plurality of length members are fixed to be spaced apart a predetermined interval of the first top plate A second upper plate that slides in engagement with the length member; and a leg member supporting a rear end lower portion of the first and second upper plates by forming a pair of supports and a footing connecting the supports; And a doping plate comprising a hinge disposed between the first and second top plates and the leg member to enable the leg member to be rotatable.

Preferably, the second upper plate of the inventive design has a fixing means for limiting sliding at the tip.

The fixing means of the present invention plate consists of a pair of fixing plate which is fixed to protrude to both sides of the front end of the second upper plate, and bolts and nuts fixed to the fixing plate, respectively, while the interval of the fixing plate is narrowed or widened by the rotation of the bolt It is desirable to restrain / decompose the first top plate located between the fixed plates.

Preferably, the first and second top plates of the inventive design are formed on both sides of a frame into which the fixing portion of the hinge is inserted / fixed to the rear end.

It is preferable that the fixing part of the frame and the hinge of the design plate of the present invention respectively form guide grooves and protrusions corresponding to each other on the engaging surface.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of the invention devised scaffold will be described in detail.

Figure 2 of the accompanying drawings is a perspective view of the invention devised tread plate, Figure 3 is an exploded perspective view of the invention devised scaffold, Figure 4 is an exploded perspective view of part "a" of FIG.

The inventive design shown in the drawings is a first and second top plate (110,120) variable in length by sliding in engagement with each other, and the legs supporting the lower ends of the first and second top plate (110,120) from the ground The member 130 and the leg member 130 is composed of a hinge 140 to rotate from the first, second top plate (110, 120).

The first top plate 110 has a plurality of length members 112 disposed to be spaced apart by a predetermined interval, the fixing bar 114 is fixed to the rear end of the length member 112, and the fixing plate 116 fixed up and down the front end And a hollow frame 118 formed on both sides of the length member by forming guide grooves 118a in the longitudinal direction on the inner surface.

The second top plate 120 has a plurality of length members 122 which are spaced apart by a predetermined interval, a fixing bar 124 fixed to the rear end of the length member 122, and the guide groove in the longitudinal direction on the inner surface ( Forming a hollow frame 128 formed at both sides of the length member and fixing means 150 fixed to the tip;

Here, the fixing means 150 includes a pair of fixing plates 152 fixed up and down to protrude to both sides of the front end of the second upper plate 120, and bolts 154 and nuts 156 fixed to the fixing plates 152, respectively. Is done.

The leg member 130 includes a pair of support angles 132 supporting lower portions of the first upper plate 110 and the second upper plate 120, and a footrest 134 connecting the support angles 132. The inner surface of the support angle 132 forms a guide groove 132a.

The hinge 140 is inserted / fixed into the upper ends of the support angles 132 of the leg member 130 and both side frames 118 and 128 of the first upper plate 110 or the second upper plate 120 and the leg member 130. Is rotated and folded, consisting of a pair of rotating plate 142 extending from the fixed portion 144 to one side, and a hinge shaft 146 connected through the center of the rotating plate 142, the fixed portion On the plate surface of 144, protrusions 144a are inserted into guide grooves 118a and 128a of the frames 118 and 128 and guide grooves 132a of the support angle 132.

Meanwhile, through holes 118b, 128b and 132b are formed on the guide grooves 118a, 128a and 132a of the frames 118 and 128 and the support angle 132, and through holes 144b on the protrusions 144a of the hinge 140. Is formed, and the hinge 140 is firmly fixed to the frame 118, 128 and the support angle 132 through the fastening member S passing through the through holes 118b, 128b, 132b, and 144b. .

Hereinafter, the operation of the invention devised foot having the above configuration.

Figure 5a of the accompanying drawings is a cross-sectional plan view of the invention devised tread plate, Figure 5b is a side view of the devised dread plate of the present invention, Figure 6 is a cross-sectional view of the working devised plate of the present invention.

First, as shown in FIGS. 5A and 5B, the length member 122 of the second top plate 120 is inserted between the length members 112 of the first top plate 110 so that the second top plate from the first top plate 110. The overall length is variable while the 120 is sliding.

The first upper plate 110 is fixed to the rear end of the "c" shaped cross section (114) is fixed and a pair of fixing plate 116 is fixed up and down at the front end length member 112 is spaced at regular intervals The second upper plate 120 has a length of the second upper plate 120 inserted between the length members 112 of the first upper plate 110 and the fixing bar 124 of the “c” shaped cross section at the rear end thereof. The fixing plates 152 of the fixing means 150 are fixed up and down at the ends of the members 122 to fix the intervals of the length members 122.

The bolts 154 and the nuts 156 are fixed to the pair of fixing plates 152 protruding from both ends of the second upper plate 120, respectively, and fastened to each other to fix the bolts 152 according to the tightening / unfastening of the bolts. The first top plate 110 disposed between the two top plates 110 is constrained / released from the second top plate 120.

On the other hand, one side fixing portion 144 of the hinge 140 is inserted into the rear ends of both side frames 118 and 128 of the first upper plate 110 and the second upper plate 120, the other side fixing portion 144 is a leg member 130 The leg member 130 is fixed to the rear end side of the first and second upper plates 110 and 120, respectively, and is inserted into the support angle 132 of the upper side, and fixed to the frame 118 and 128 and the support angle 132 of both sides. As the pair of rotating plates 142 connected to the government 144 rotate about the hinge shaft 146 penetrating the center, the leg member 130 rotates from the first upper plate 110 or the second upper plate 120. Will be folded.

Here, the protrusions 144a formed on the plate surface of the fixing part 144 of the hinge 140 as the guide grooves 118a and 128a of the first and second upper plates 118 and 128 and the guide grooves 132a of the support angle 132. ) Are inserted to prevent spaced apart from the connecting portion, and the protrusions 144a of the through holes 118b and 128b and the fixing part 144 formed on the guide grooves 118a and 128a of the first and second upper plates 118 and 128. The through hole 144b formed in the through hole through the fastening member S to be firmly fixed, and the through hole 132b formed on the guide groove 132a of the support angle 132 into which the other side fixing part 144 is inserted. And through the fastening member (S) also through the through-hole (144b) formed in the protrusion (144a) of the fixing portion 144 is firmly fixed.

As shown in FIG. 6, when the second top plate 120 is pulled from the first top plate 110, the second top plate 120 is inserted between the length members 112 of the first top plate 110. Length member 122 of the) is moved while sliding to extend the length of the top plate.

At this time, the load of the worker concentrated on the connecting portion of the first top plate 110 and the second top plate 120 is applied to the front end of the fixed plate 116 and the second top plate 120 fixed to the front end of the first top plate 110. It is delivered to the fixing plate 152 of the fixed fixing means 150, each member is firmly fixed by welding so that it is not easily broken or bent.

In addition, when the first upper plate 110 and the second upper plate 120 are maximally extended, the fixing means fixed to the distal end of the second upper plate 120 to the fixing plate 116 fixed to the distal end of the first upper plate 110. The fixing plate 152 of the 150 is caught to prevent the second upper plate 120 from being separated from the first upper plate 110.

On the other hand, after adjusting the length by sliding the second top plate 120 from the first top plate 110 to fit the width of the working space to the end of the second top plate 120 as shown in FIG. The first upper plate 110 and the second upper plate 120 are fixed using the fixed fixing means 150.

That is, the bolts 154 are installed on the fixing plates 152 of the fixing means 150 respectively fixed above and below the tip of the second upper plate 120 to fasten the bolts 154 and the nuts 156 fastened to each other. As the space α between the fixing plates 152 is narrowed, the length member 112 of the first upper plate 110 is fixed between the fixing plates 152 to prevent the sliding of the length plate 112.

On the contrary, in the case where the length is to be changed again, the first upper plate may be opened by rotating the bolt 154 in the tightening direction to widen the interval between the fixing plates 152 that constrain the length member 112 of the first upper plate 110. After the length member 112 of the 110 is released, the length is adjusted again by sliding the second top plate 120 from the first top plate 110.

As described above, the present invention paperboard is convenient to use because the length of the top plate can be appropriately changed according to the width of the work space, the movement frequency of the paperboard is reduced, the work efficiency is improved.

In addition, since the length of the top plate is variable and the leg member is folded, there is also an effect that can be carried and stored in a small volume.

In addition, there is also an effect to prevent the occurrence of a safety accident in advance so that the length of the top plate adjusted through the fixing means is not changed arbitrarily.

1 is a perspective view of a conventional paper plate;

Figure 2 is a perspective view of the invention devised footing plate,

Figure 3 is an exploded perspective view of the invention design foot plate,

4 is an exploded perspective view of a portion “a” of FIG. 2.

Figure 5a is a plan cross-sectional view of the invention design foot plate,

Figure 5b is a side view of the invention design foot plate,

Figure 6 is a cross-sectional view of the working design of the invention devised foot plate,

7 is an enlarged cross-sectional view taken along the line A-A of FIG. 5A.

※ Explanation of code for main part of drawing

110: first top plate, 112: length member, 114: fixed bar, 116: fixed plate, 120: second top plate,

122: length member, 124: fixing bar, 130: leg member, 132: support angle, 134: scaffolding, 140: hinge,

142: rotating plate, 144: fixing part, 146: hinge shaft, 150: fixing means, 152: fixing plate, 154: bolt,

156: nuts

Claims (5)

In the paperboard, A plurality of length members 112 having a first top plate 110 fixed to be spaced apart from each other; A plurality of length members 122 fixed to be spaced apart at a predetermined interval and engaged with the length members 112 of the first top plate 110 for sliding; A leg member 130 which forms a pair of supports 132 and a foot plate 134 connecting the supports 132 to support the rear end lower portion of the first and second upper plates 110 and 120; And, The first and second upper plate (110, 120) and the footing plate comprising a hinge 140 is disposed between the leg member 130 is rotatable. The method of claim 1, The second top plate 120 is a doping plate, characterized in that to form a fixing means 150 for limiting the sliding at the tip The method of claim 2, The fixing means 150 comprises a pair of fixing plates 152 fixed to protrude to both ends of the second upper plate, and bolts 154 and nuts 156 fixed to the fixing plates 152, respectively. The doping foot, characterized in that to restrain / restrain the first upper plate 110 located between the fixed plate 152 while the interval of the fixed plate 152 is narrowed or widened by the rotation of the. The method of claim 1, The first and second top plates 110 and 120 are formed on both sides of the frame (118, 128) in which the fixing portion 144 of the hinge 140 is inserted / fixed to the rear end. The method of claim 4, wherein The frame 118, 128 and the fixing portion 144 of the hinge 140, the guide grooves (118a, 128a) and protrusions (144a) corresponding to each other on the mating surface, respectively, characterized in that the footing plate.