KR20060071682A - Collapsible work-table - Google Patents

Abstract

The present invention relates to a folding worktable, and in particular, a pair of scaffolds to be folded are firmly fixed in an unfolded state so as to withstand the vertical load applied from the scaffolding top, and a section for easily folding such scaffolds. It is about a folding workbench.

Such a folding worktable includes a pair of footrests 110 having protruding pins 112 formed at both inner end sides of the folding worktable, and legs 120 which are rotatably fixed to the outer ends of the footrest 110. ); And, the fixing means 160 for fixing the protruding pin 112 to be fixed in a state in which the footrest 110 is inserted from both ends, the guide hole 134 for limiting the moving distance of the sliding footrest 110, and the footrest It is achieved by including a scaffolding folded portion 130 is formed with a cutting groove at both ends to be folded in a state in which the 110 is drawn out.

Folding, worktable

Description

Folding work table {Collapsible work-table}

1 is a perspective view of a conventional workbench,

2 is a perspective view of the present invention folding worktable,

3 is an exploded perspective view of the present invention folding worktable,

Figure 4a, 4b, 4c is a front view showing a folded state of the present invention folding worktable,

FIG. 5A is a cross-sectional view illustrating a coupling state of a portion “a” of FIG. 2;

5B and 5C are cross-sectional views of the portion “a” of FIG. 2;

6A is a cross-sectional view illustrating a coupling state of a portion “b” of FIG. 2;

FIG. 6B is a front view showing the folding effect of the portion “b” of FIG. 2;

7 is a side cross-sectional view showing the action of the "c" part of FIG.

8A and 8B are cross-sectional views showing the operation of the portion “d” in FIG. 4C.

※ Explanation of code for main part of drawing

110: foot 112: protrusion pin 120: leg

121: support angle 122: horizontal bar 123: secondary leg

130: scaffolding 132: accommodation space 134: guideman

136: incision groove 140: leg fold 141: first government

142: Second fixing part 143: Hinge shaft 144: Locking pin

146: fixing link 150: height adjustment unit 152: insertion pin

154: handle 156: elastic spring 160: fixing means

162: latch 164: torsion spring 166: fixed body

168: jamming spring

The folding worktable of the present invention relates to a folding worktable which is firmly fixed in a state where a pair of scaffolds to be folded are unfolded so as to withstand the vertical load applied from the scaffold upper part, and to easily fold such scaffolds.

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

However, for example, when the room and the ceiling is painted, the narrow chair or the ladder alone is very inconvenient. Therefore, in the case of the drawing holes, the work table is placed on the work table, which is made to be uniformly long along the horizontal direction, and moves on the work table.

Such a conventional workbench is shown in FIG. 1. As shown in this figure, the conventional work table is provided on both sides of the long plate-shaped stepping plate 410 made long along the horizontal direction, the stepping plate 410 to support the stepping plate 410 against the ground while the stepping plate 410 Has a pair of legs 420 that are collapsible.

A folding portion 440 is formed between each leg portion 420 and the tread plate 410 as a means for supporting and folding the leg portion 420 with respect to the tread plate 410. The folding portion 440 has a first link 441 having one end fixed to a support bar 430 connecting the pair of legs 420, one end fixed to the lower portion of the tread 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 work table can be easily carried in a state in which the folding portion 440 is folded and the pair of leg portions 420 are folded toward the lower portion of the tread plate 410. If the work table is to be used, the first and second links 441 and 442 of the fold part 440 are straightened to each other so that the leg part 420 is disposed on the ground with the foot 420 almost perpendicular to the tread plate 410. You can use

However, such a conventional work table is inconvenient because only the legs should be folded and stored in the footrest formed with a long length, which is inconvenient, and since the height of the stepboard is fixed, the work of only the height position corresponding to the length of the leg is inevitably performed.

Therefore, the volume of the folded state is easy to carry and storage, the folding action is made easily, the need for a stepping board that can vary the length of the stepping board and the height of the leg according to the height of the space to use .

The present invention is a pair of scaffold to be folded to solve the above problems is firmly fixed in the unfolded state to be able to withstand the vertical load applied from the top of the scaffold well, and to easily fold such scaffold The purpose is to provide a folding workbench.

In addition, the folding worktable of the present invention is firmly fixed so as not to cause a folding action arbitrarily in the unfolded state, and the fixing means for fixing such a foothold so as to be caught in the middle when switching from the unlocking direction to the fixed direction Its purpose is to provide a folding workbench that does not have to hold onto.

In addition, it is also an object to provide a folding worktable that can be easily folded in the outer end of the footrest to be folded easily and firmly fixed in the unfolded or folded state to improve the safety and portability of the work There is this.

In addition, it is possible to adjust the height of the workbench according to the work position by providing the auxiliary leg which can adjust the length at the bottom of the leg, and also work on the irregular surface of the work position such as slope or stairway. Its purpose is to provide a folding workbench.

The folding work table of the present invention for achieving the above object is a folding work table, a pair of scaffolding protruding pins on both sides of the inner end; and legs fixed to the outer end of the scaffold rotatably respectively; And fixing means for fixing the protruding pins to be fixed in the inserted state from the both ends, guide holes for limiting the moving distance of the sliding foot, and incision grooves formed at both ends to be folded in the state in which the footstool is drawn out. It is achieved by providing a folding worktable that includes a scaffolding portion.

The fixing means of the folding worktable of the present invention comprises a hook formed at both ends of the latch to be rotatably fixed to the side of the footrest folding portion, and a torsion spring to elastically fix the latch to the footrest folding portion so as to recover when rotating. It is preferable.

The fixing means of the present invention folding worktable is formed in the receiving groove and the fixing pin and the receiving groove on both sides of the fixing body fixed to the inner surface of the clamp, and the end is inserted in the fixing pin It is supported on the inner side of the groove and the other end is further provided with a locking spring exposed to the outside through the opening groove, the end of the locking spring bent on the protruding pin of the inserted footrest when the release is caught, It is desirable to prevent the return to a fixed state.

The folding worktable of the present invention preferably further includes a leg folding portion for fixing the leg 120 that is rotatably fixed to one side of the scaffold in an unfolded state.

The leg folding unit of the present invention folding worktable, the first fixing part fixed to the outer end of the footrest, the second fixing part fixed to the upper end of the leg, the hinge shaft connecting the first, second fixing parts, It is preferable that the rear end penetrating the leg is elastically fixed by the elastic spring, and the front end is made of a fixing pin which is selectively inserted into the pin insertion hole of the scaffold.

Preferably, the leg folding portion of the folding worktable of the present invention forms a fixing link to which the engaging piece formed at the front end is caught in the fixing hole of the opposite leg in a state where the rear end is rotatably fixed to the leg.

The leg of the present invention folding worktable is preferably to form a height adjustment portion for fixing the insertion leg and the insertion position of the auxiliary leg to the lower support angle.

The height adjustment portion of the present invention folding worktable is preferably made of an insertion pin inserted into the insertion hole formed in a plurality of spaced intervals on the auxiliary leg, a handle formed at the rear end of the insertion pin, and an elastic spring to elastically support the insertion pin. Do.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of the present invention folding worktable will be described in detail.

Figure 2 of the accompanying drawings is a perspective view of the present invention folding worktable, Figure 3 is an exploded perspective view of the present invention folding worktable.

The folding worktable of the present invention as shown in the drawings is largely installed between a pair of footrests 110, legs 120 fixed to the outer ends of the footrests 110, and a pair of footrests 110, respectively. Scaffolding folded portion 130 to fix or fold the scaffold 110 in an unfolded state, and the leg folded portion is installed between the scaffold 110 and the leg 120 to fold the leg 120 from the scaffold 110 130 and the height adjusting unit 150 for adjusting the height of the leg 120 is configured.

The scaffold 110 is composed of a plate material that can withstand the load of the operator, forming the protruding pins 112 on both sides of the inner end, and forms a pin insertion hole 114 on one side of the opposite side end.

The leg 120 has a plurality of horizontal bars 122 connecting the pair of support angles 121 and the support angles 121 at regular intervals, and the insertion hole 123a in the longitudinal direction at regular intervals. It is formed of a plurality of auxiliary legs 123 to be inserted into the lower end of the support angle 121. On the other hand, the upper part of the support angle 121, the mounting hole (121c) and the long hole (121a) is inserted and the front end of the fixing pin 144 is installed to the rear end of the fixing pin 144 of the leg folded portion 140 to be described later and inserted The shaft hole 121b is formed, and the fixing hole 121d is formed on the opposite side. In addition, the horizontal bar 122 at the bottom end forms a through hole 122a in which a handle 154 for operating the height adjusting part 150 is installed.

The scaffold folding portion 130 is formed of a hollow rectangular frame having a receiving space 132 therein, protruding pins 112 of the scaffold 110 on both sides to limit the withdrawal distance of the scaffold 110 inserted from both sides The guide hole 134 penetrates and the cutting grooves 136 are formed at both ends of the lower end so as to be folded in the drawn state.

In the center of both sides of the scaffold folding portion 130 and the hook 162b having the inclined surface 162a on the outside at both ends and the latch 162 is rotatably fixed to the side of the scaffold folding portion 130 The torsion spring 164 resiliently secures the latch 162 to the scaffold folding portion 130 so that it rests upon rotation, and the front of the receiving groove 166a and the high information 166b and the receiving groove 166a. An opening groove 166c is formed at both sides thereof, and a fixed body 166 fixed to the inner side surface of the latch 162 and one end thereof is supported on the inner side surface of the receiving groove 166a while being inserted into the high information 166b. The other end is provided with fixing means 160, each of which is composed of the engaging spring 168 exposed to the outside through the opening groove 166c bent the end.

The leg folded portion 140 is the first fixing part 141 fixed to the footrest 110 and the second fixing part 142 fixed to the leg 120, and the first, second fixing parts (141, 142) The hinge shaft 143 and the length of both ends are bent in a substantially "c" shape different from each other so that the rear end is elastically fixed to the support angle 121 of the leg 120 by the elastic spring 145 and the tip is A fixing pin 144 penetrating through the support angle 121 of the leg 120, and one end of the fixing pin 144 is rotatably inserted into the front end side of the fixing pin 144, and the other end of the fixing pin 144a has an annular locking piece 146a. It consists of a fixed link (146).

The height adjusting unit 150 is inserted into the insertion hole 123a of the auxiliary leg 123, the handle 154 formed on the rear end of the insertion pin 152, and the insertion pin 152 Consists of an elastic spring 156 to elastically support the fixing position of the auxiliary leg 123 is inserted into the lower end of the support angle (121).

Hereinafter, the operation of the present invention folding work table having the above configuration.

Figures 4a, 4b, 4c is a front view showing the folded state of the present invention folding worktable, Figure 5a is a cross-sectional view showing a coupling state of the "a" portion of Figure 2, Figures 5b, 5c is "a" of FIG. Fig. 6A is a cross-sectional view showing the engaged state of the " b " portion of Fig. 2, Fig. 6B is a front view showing the folding action of the " b " portion of Fig. 2, and Fig. 7 is the " c " 8A and 8B are cross-sectional views illustrating the action of the portion “d” in FIG. 4C.

As shown in the drawings, the protruding pins 112 protruding on both sides of the scaffold 110 are inserted into the guide holes 134 formed on both sides of the scaffold folding portion 130 to accommodate the scaffold folding portion 130. In the space 132, the scaffold 110 may slide by the length of the guide hole 134.

Here, when the footrest 110 is inserted into the inside of the foothold folding unit 110, the protrusion pin 112 moving along the guide hole 134 is rotatably installed in the center of the footrest folding unit 130 ( The inclined surface 162a of the 162 is pushed up and moved. At this time, the torsion spring 164 elastically installed between the latch 162 and the footrest folding unit 130 is compressed and the protrusion pin 112 is latched 162. When it is located in the hook 162b of the () and the claw is retracted in the locking direction so that the protruding pin 112 of the footrest 110 is caught by the hook 162b of the fixing means 160 fixed to the footrest folding portion 130 As a result, the footrest 110 is not detached from the footrest in a state where it is inserted into the footrest folding portion.

As such, the scaffold 110 which is moved into the receiving space 132 of the scaffold folding part 130 along the guide hole 134 on both sides of the scaffold folding part 130 is fixed by the scaffold folding part 130. It is fixed in an unfolded state, the leg end portion 140 is installed between the leg 120 and the outer end of the foot plate 110 is folded leg 120 from the foot plate 110.

That is, the first fixing part 141 fixed to the side of the outer end of the footrest 110 and the second fixing part 142 fixed to the upper end of the support angle 121 of the leg 120, the hinge shaft 143 It is connected to the hinge shaft 143 is rotated about the center while the leg 120 is fixed to the footrest 110 to be rotatable.

When the leg 120 is fixed in an unfolded state, one end thereof passes through the installation hole 121c of the leg 120 and pulls the fixing pin 144 supported by the elastic spring 145 to insert the tip into the shaft shaft ( 121b), when the leg 120, which is rotatably fixed to the outside of the foot plate 110, is unfolded, the insertion shaft hole 121b of the leg 120 and the pin insertion hole 114 of the foot plate 110 coincide with each other. When the fixing pin 144 is held at this time, the fixing pin 144 is retracted by the compression force of the elastic spring 145 and the tip of the fixing pin 144 penetrates the insertion shaft hole 121b to allow the footing 110 to come out. Inserted into the pin insertion hole 114 formed on the side of the leg 120 is fixed to the footrest 110 in an unfolded state.

On the other hand, when folding the present invention folded worktable unfolded as described above, by pulling the fixing pin 144 in the leg 120 is fixed to the footrest 110 by the fixing pin 144 in the first unfolded state The first fixing part 141 fixed to the foot plate 110 by compressing the elastic spring 145 installed at the rear end of the pin 144 and allowing the tip to be separated from the pin insertion hole 114 of the foot plate 110. The second fixing part 142 connected to the hinge shaft 143 is rotated so that the legs 120 fixed to the second fixing part 142 are folded.

After the leg 120 is folded, the hook 162b of the latch 162 restrains the protruding pin 112 of the scaffold 110 by rotating the fixing means 160 of the scaffold folding portion 130 in the unlocking direction. ) Is released from the protruding pin 112, in which the rear end is fixed to the inner side of the receiving groove 166a while the center is fixed to the high information 166b of the fixing body 166 located at the rear of the fixing 162. The end of the supported and bent end elastically rides the protruding pin 112 through the action that the tip of the engaging spring 168 exposed through the opening groove 166c contacts the protruding pin 112 and contracts elastically. It is passed.

Here, when the user releases the fixing means 160 in a state in which the fixing means 160 is rotated in the unlocking direction, the latch 162 is rotated in the fixing direction by the torsion spring 164, wherein the protrusion pin 112 is rotated. The fixing means 160 is supported by the protruding pins 112 by the tip of the locking spring 168 that rides elastically and is caught in the protruding pins 112 without being completely returned to the fixed position.

Therefore, the user can withdraw the scaffold 110 from the scaffold folding portion 130 by using both hands, and when the protruding pin 112 moves in the guide hole 134 as the scaffold 110 is withdrawn, The distal end of the locking spring 168 supported by the protruding pin 112 is released and at the same time the fixing means 160 is restored to its original position by the torsion spring 164.

As such, when the user pulls out the footrest 110 released from the fixing means 160 to the outside in the receiving space 132 of the footrest folding unit 130, the protruding pin 112 formed on the outside of the footrest 110 is formed. It moves within the guide hole 134 and is caught on the outer end, by the cutting groove 136 formed in the outer lower portion of the footrest folding portion 130 is folded while rotating about the protruding pin 112 Done.

As described above, in the state in which both the footrest 110 and the leg 120 are folded from both sides of the footrest folding unit 130, the front end side of the fixing pin 144 rotated along the long hole 121a of the leg 120. Rotating the fixing link 146 that is rotatably inserted into the inserting the engaging piece 146a formed at the tip of the fixing link 146 into the fixing hole 121d formed in the opposite side leg 120 When the 144 is rotated in the original direction along the long hole 121a, the locking piece 146a of the fixing link 146 is caught while being fixed to the inner end of the fixing hole 121d and at the same time, the front end of the fixing pin 144 is elastic spring. Since the insertion shaft hole 121b is penetrated by the elastic force of 145, the position of the fixing pin 144 is also fixed.

On the other hand, the leg 120 of the present invention folding worktable that is folded as described above is provided with a height adjustment unit 150 that can adjust the height.

That is, a plurality of insertion holes 123a are formed in the auxiliary leg 123 inserted into the lower support angle 121 of the leg 120 at regular intervals in the longitudinal direction, between the support angles 121. The tip of the insertion pin 152 inserted into the formed horizontal bar 122 is inserted into the insertion hole 123a, and its position is fixed. The insertion pin 152 is fixed to the position of the auxiliary leg 123 by the user to adjust the handle 154 formed on the rear end or release, the rear end of the insertion pin 152 elastic spring 156 is elastically supported Therefore, the insertion pin 152 is always elastically supported in the fixed direction.

The height adjustment unit 150 is installed on both sides in the horizontal bar 122 so as to fix the position of the auxiliary leg 123 inserted into the pair of support angles 121, respectively, the horizontal bar 122 through the hole ( 122a) is formed so that the handle 154 formed at the rear end of the insertion pin 152 is exposed to the outside.

Therefore, the user moves the handle 154 of the height adjusting part 150 to the rear to withdraw the insertion pin 152 from the insertion hole (123a) of the auxiliary leg 123, and then the support leg 123 is supported angle It moves within the 121 to adjust to the desired height, when the handle 154 is released, the insertion pin 152 is advanced by the elastic spring 156 while the tip of the insertion pin 152 is inserted into the auxiliary leg 123 The position of the auxiliary leg 123 is fixed to the ball 123a.

Through this action, by adjusting the height of each of the auxiliary legs 123 inserted into the lower portion of the support angle 121, it is possible to work stably even on irregular floors such as inclined surfaces or stairs, and the working height can also be adjusted. .

The folding work table of the present invention as described above has a structure in which the scaffold slides into the scaffold folding portion having the shape of a square frame so that it can be firmly fixed to withstand the load applied to the scaffolding portion. You can easily fold it by moving the scaffold in, which is convenient to use.

In addition, since the footrest is fixed in the state where the footrest is inserted into the footrest, it is safe because it prevents any detachment, and the locking means for fixing the footrest is automatically restored to the fixed direction when it is released, but the locking spring prevents it from being fixed at random. There is also an effect that does not have to take out the scaffold in the state of holding the fixing means by hand for folding.

In addition, it is also effective to improve the safety and portability of the work by making it easy to fold the legs fixed to the outer end of the scaffolding and firmly fixed in the unfolded or folded state.

On the other hand, it is possible to adjust the height of the workbench according to the height of the work location by providing the auxiliary leg which can adjust the length at the bottom of the leg, and also the effect that the work can be done even in the irregular surface of the work position such as the slope or the stairs. have.

Claims (8)

In the folding workbench, A pair of footrests 110 having protruding pins 112 formed at both inner end sides thereof; Legs 120 are respectively rotatably fixed to the outer end of the footrest 110; And, Fixing means 160 for fixing the protruding pin 112 to be fixed in the state in which the footrest 110 is inserted from both ends, guide hole 134 for limiting the moving distance of the sliding footrest 110, and footrest 110 Folding platform including a scaffolding folded portion 130 is formed in the lower end of both ends to be folded in a state that is drawn). The method of claim 1, The fixing means 160 is provided with hooks 162b at both ends thereof so that the latch 162 is rotatably fixed to the side of the scaffold folding portion 130, and the latch 162 is elastic to the scaffold folding portion 130. Foldable worktable, characterized in that consisting of a torsion spring (164) to be fixed to the rotation when the rotation. The method of claim 2, The fixing means 160 has a fixing body fixed to the inner surface of the latch 162 by forming the opening grooves (166c) on both sides of the receiving groove (166a) and the fixing pin (166b) and the receiving groove (166a) on the front surface ( 166 and the locking spring 168 exposed to the outside through the opening groove 166c, one end of which is supported by the inner surface of the receiving groove 166a and the other end of which is inserted into the fixing pin 166b. Further provided, the front end of the locking spring 168 bent to the projecting pin 112 of the inserted footrest 110 when the release is caught, characterized in that to prevent the latch 162 is returned to the fixed state arbitrarily Folding worktable. The method of claim 1, The folding worktable further comprises a leg folding portion (140) for fixing in a state in which the leg (120) rotatably fixed to one side of the footrest (110). The method of claim 4, wherein The leg folded portion 140 is the first fixing part 141 fixed to the outer end of the footrest 110, the second fixing part 142 fixed to the upper end of the leg 120, and the first and second The hinge shaft 143 connecting the fixing parts 141 and 142 and the rear end penetrating the leg 120 are elastically fixed by the elastic spring 145 and the tip is selectively inserted into the pin insertion hole 114 of the foot plate 110. Folding worktable, characterized in that consisting of a fixing pin 144 is inserted into. The method of claim 4, wherein The leg fold portion 140 is a fixed link 146 to which the engaging piece 146a formed at the front end is fixed to the fixing hole 121d of the opposite side leg 120 in a state where the rear end is rotatably fixed to the leg 120. Folding work table characterized in that). The method of claim 1, The leg 120 is a folding work table, characterized in that to form a height adjustment unit 150 for fixing the auxiliary leg 123 and the insertion position of the auxiliary leg 123 is inserted into the lower support angle (121). The method of claim 7, wherein The height adjustment unit 150 is inserted into the insertion hole 123a formed in a plurality of spaced apart at regular intervals on the auxiliary leg 123, the handle 154 formed on the rear end of the insertion pin 152 and , The folding worktable, characterized in that made of an elastic spring 156 to elastically support the insertion pin (152).

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