KR20120057868A - A leg fastener of work table - Google Patents

A leg fastener of work table Download PDF

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Publication number
KR20120057868A
KR20120057868A KR1020100119401A KR20100119401A KR20120057868A KR 20120057868 A KR20120057868 A KR 20120057868A KR 1020100119401 A KR1020100119401 A KR 1020100119401A KR 20100119401 A KR20100119401 A KR 20100119401A KR 20120057868 A KR20120057868 A KR 20120057868A
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KR
South Korea
Prior art keywords
leg
leg members
footrest
lock
locking
Prior art date
Application number
KR1020100119401A
Other languages
Korean (ko)
Inventor
유수원
Original Assignee
유수원
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Publication date
Application filed by 유수원 filed Critical 유수원
Priority to KR1020100119401A priority Critical patent/KR20120057868A/en
Publication of KR20120057868A publication Critical patent/KR20120057868A/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/28—Scaffolds primarily resting on the ground designed to provide support only at a low height
    • E04G1/32—Other free-standing supports, e.g. using trestles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/34—Scaffold constructions able to be folded in prismatic or flat parts or able to be turned down
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/28—Scaffolds primarily resting on the ground designed to provide support only at a low height
    • E04G1/30—Ladder scaffolds
    • E04G2001/302—Ladder scaffolds with ladders supporting the platform
    • E04G2001/307—The ladders being self-supporting folding ladders

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)

Abstract

PURPOSE: A leg fastener of a footboard for a worktable is provided to enable a worker to safely stem a footboard by maintaining the unfolded state of the footboard. CONSTITUTION: A leg fastener of a footboard for a worktable comprises a footboard(100), a pair of leg members(300,300a), hinges(200), and link locks(400). The leg members are located at both sides of the bottom surface of the footboard. The hinges connect the leg members to the ends of the footboard. The link locks control the folding of the leg members when the leg members are unfolded.

Description

Leg fastener of work table {A leg fastener of work table}

The present invention relates to a work platform for the worker to step up to a certain height to work, more specifically, both legs of the footrest constituting the workbench to be able to easily maintain the position in the unfolded state can be safely stepped by the worker It relates to a leg lock of the footrest for the work platform.

In general, in order to replace a lighting lamp such as a fluorescent lamp installed in the home or office, or to repair or replace a separate facility on the ceiling, work on a ladder or use a chair.

However, when the room and the ceiling are papered, the narrow chair or ladder alone makes the work quite inconvenient. While doing the paper work.

Such a conventional work platform is generally composed of a long plate-shaped footstool elongated along the transverse direction and a pair of legs provided on both sides of the footstool to support the footstool against the ground while folding the footstool. A fold is formed between the legs to support and fold the legs with respect to the tread.

In addition, the folding part is composed of a first link, one end of which is fixed to a support bar connecting a pair of legs, one end of which is fixed to a lower portion of the footrest, and the other end of the second link, which is hinged to the first link. The workbench can be easily carried in the state where the folding part is folded and the pair of legs are folded toward the lower part of the footrest.

If such a conventional workbench is to be used, the first and second links of the folds may be straightened with each other so that the legs are placed at right angles to the scaffold, so that they can be used on the ground.

However, such a conventional workbench is inconvenient because only the legs are folded and stored / held in the scaffold formed with a long length, and since the height of the scaffold is constant, only the work at the height position corresponding to the length of the leg part can be performed.

In addition, the hinges are provided on both sides of the scaffold constituting the workbench to be folded to rotate the legs when carrying or storage, but this is simply configured to connect the legs hinged when the worker moves on the scaffold after moving There has been a problem that the scaffold flows to the left and right and inward to make the operator uneasy.

Thus, even when both legs of the scaffold in the unfolded state is applied to the work platform that the legs are not shaken or folded is required.

In order to solve this problem, Patent No. 10-0714993 "Folding Work Table" was registered and presented on April 27, 2007.

This allows both legs of the scaffold to spread outward more in the deployed state, and then locks through a separate locking device and then works.

However, in the case of the leg, there has been a problem in that the cost is increased by adding a separate locking device to the portion connecting the footrest and the leg.

In addition, the leg member folding device of the platform for the work platform has been disclosed by the applicant of the Patent Publication No. 10-2009-0088156.

This allows both leg members of the scaffold to be folded and fixed by the folding device.

However, even in the case described above, there are advantages in that the worker's work, movement and storage are convenient, but additional locking devices must be added to the footrest and both legs.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

The object of the present invention,

Legs hinged to both sides of the scaffold to ensure a safe deployment state.

The present invention to achieve the above object,

In the workbench which is connected to both sides of the scaffold through the hinge and has a leg member that can be horizontally folded and vertically deployed,

Link locks are provided at connection portions to which the foot member and the pair of leg members are coupled to be locked in a deployed state of the leg member;

The link lock is,

A first rotating bar having one end rotatably coupled to an end of the foot plate through a hinge shaft, and a second rotating bar having one end rotatably coupled to a bracket provided at an upper side or an upper side of the leg member, respectively. The other end of each of the first and second rotary bars is inserted into one side to connect the first and second rotary bars, and guide grooves are formed to link the ends thereof, respectively, and the other ends of the first and second rotary bars on the other side. It is composed of a locking frame is formed so that the locking end is locked during each rotation.

Here, the locking frame, it is preferable that the cross section is made of "∩" shape.

In addition, the bracket of the leg member may be provided with a stopper for adjusting the rotation angle of the second rotation bar.

The present invention has the effect of being able to fold and deploy the leg member of the operator's footrest as well as to keep the locked state impossible to be folded even when an external force is generated in the developed state of the leg member to safely protect the operator.

1 is a front view of the leg locking device of the work platform for the first embodiment according to the present invention,
Figure 2 is a front use state diagram showing the link lock in Figure 1,
3 is a cross-sectional view taken along the line “DD” of FIG. 2;
Figure 4 is a use state showing the folding and unfolding process of the platform for the work platform according to the invention,
5 is a state diagram showing the folding and unfolding process of the state applied to the scaffold having an intermediate hinge in the platform for the second embodiment according to the present invention.
Figure 6 is a state diagram showing the folding and unfolding process of the state applied to the leg member in the platform for the third embodiment according to the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, detailed description thereof will be omitted when it is determined that related arts may blur the gist of the present invention.

≪ Embodiment 1 >

1 to 4, a rectangular panel-shaped scaffold 100 and a bottom surface of the scaffold 100 are located on both sides of the scaffold 100 to allow horizontal folding and vertical deployment with respect to the scaffold 100. A pair of left and right leg members 300 and 300a which are positioned, hinges 200 and the leg members 300 and 300a connecting the end portions of the scaffold 100 and the leg members 300 and 300a to each other. It consists of a link lock (400) for controlling the folding of the leg member (300, 300a) in the deployed state.

Here, the scaffold 100, the leg members 300, 300a and the hinge 200 are the same as the known art and only one embodiment will be described.

The scaffold 100 has a rectangular panel shape and is made of metal, wood, and synthetic resin. And both ends are coupled to the fixing bracket for connecting the bridge member 300, 300a to be described later through the hinge 200.

The leg members 300 and 300a are horizontally adhered to the bottom surface of the scaffold 100 or perpendicular to the end of the scaffold so that the scaffold is fixed at a predetermined height from the ground, and the scaffold 100 Made of the same metal, wood and synthetic resin material, the upper end is coupled to the hinge bracket for hinge coupling to the fixing bracket through the hinge 200.

Here, the leg members (300, 300a) is made of a structure that can be contracted and deployed so that the height can be adjusted.

That is, the upper fixing portion 340 and the lower extension portion 360 is made of, the lower fixing portion 360 is coupled to the upper fixing portion 340 in the form of a slide inserted into the upper fixing portion 340. The lower extension 360 is selectively locked to the moving and locking tool 380 with respect to the lower extension 360.

The link lock 400 is a key technical element of the present invention to prevent the leg members 300 and 300a from being folded even when an external force is applied in the deployed state of the leg members 300 and 300a.

The link lock 400, the first rotating bar 420, one end is rotatably coupled to both sides of the scaffold 100, one end is rotated on the upper side of the leg members 300, 300a, respectively The other end of the first and second rotation bar 420, 440 on one side so as to connect the second rotating bar 440, both ends are connected to the first and second rotating bar 420, 440. The guide groove 482 is formed so that the ends are connected to the link 460, respectively, and the other end of the first and second rotary bars 420 and 440 on the other side is rotated 1-10 degrees from the coaxial line It consists of a lock frame 480 is formed so that the locking end 484 is locked.

The first rotating bar 420 is made of a plate-like material, one end is rotatably coupled to each of the both sides of the footrest 100 through the hinge shaft 422.

The second rotation bar 420 is made of a plate-like material, one end is rotatably coupled to the bracket 320 provided on the upper side of each of the leg members (300, 300a) through a hinge shaft (442).

The locking frame 480 has a first end and a second rotation bar 420 and 440 on one side thereof so that both ends thereof connect the first and second rotation bars 420 and 440 in a cross-sectional shape. Each other end of the) is inserted so that the guide groove 482 is formed so that each end is connected to the link 460, the other end of the first and second rotation bar 420, 440 is caught so that the other end is locked when rotating Stage 484 is formed.

Here, the first and second rotation bars 420 and 440 are hinged in a state where one end is inserted into the guide groove 482 in the locking frame 480, and then rotates in a direction by a predetermined angle. (Approximately 1-10 degrees) is caught by the locking end 484 of the lock frame 480.

That is, the first and second rotation bars 420 and 440 may lock the leg members when rotated in one direction on the coaxial line.

The coaxial line means that the first and second rotation bars 420 and 440 and the lock frame 480 are positioned in the same axial direction.

The stopper 500 is coupled to the bracket 320 in a protruding state.

The stopper 500 takes a shape protruding from a synthetic resin material and provides a rotation angle of the second rotation bar 420, that is, a locking state in a deployed state and a locking force in a folded state.

That is, the stopper 500 is the second rotation bar 440 in a state where the first and second rotation bars 420 and 440 are pushed in one direction by the locking frame 480 on the same axis line. It will take the form of supporting both sides of one side.

With reference to the accompanying drawings, a preferred embodiment of the leg locking device of the platform for working platform according to the present invention configured as described above will be described in detail.

As shown in FIG. 4, the locking frame 480 is pushed toward the end edge of the footrest 100 in one link lock 400. Then, the first and second rotation bars 420 and 440 hinged to both sides of the lock frame 480 are respectively in the direction of the end edge of the scaffold 100 around the hinge shafts 422 and 442. Will rotate. At this time, the leg members 300, 300a may be folded while pulling inward.

At the time of deployment, the leg members 300 and 300a are rotated outward. Then, as the lock frame 480 is moved by the rotation of the first and second rotation bars 420 and 440, the lock frame 480 and the first and second rotation bars 420 and 440 are moved. It is located in the same direction. At this time, when the locking frame 480 is pulled, the first and second rotation bars 420 and 440 are engaged with both end portions 484 of the locking frame 480, and the leg members 300 and 300a are engaged. To control the rotation of

Second Embodiment

By the illustration of Figure 5 the present invention is to apply to the scaffold for the worker that the middle portion of the scaffold 100 is folded around the intermediate hinge (110).

This, the middle portion of the footrest 100 can be folded around the middle hinge hole 110, and is connected through the hinge hole 200 on both sides and has a leg member (300, 300a) capable of horizontal folding and vertical deployment In addition, each of the intermediate hinges of the footrest 100 and the leg members 300 and 300a may be provided with link locks 400 so as to enable locking in the deployed state of the leg members 300 and 300a. .

The link lock 400, one end of the first rotating bar 420a, 420b, one end rotatably coupled to each of the intermediate hinge of the footrest 100 through the hinge shaft (422a, 422b), one end Second rotating bars 440a and 440b which are rotatably coupled to the lower sides of the leg members 300 and 300a through hinge shafts 442a and 442b, respectively, at both ends of the first and second rotating bars. 420a, 420b, 440a, 440b, the other end of the first and second rotation bar is inserted into one side, respectively, the guide groove 482 is formed so that the end is connected to the link 460, respectively, the other side The other end of the first and second rotation bar is composed of a locking frame 480 is formed so that the locking end 484 is formed so as to be engaged at each 1-10 degree angle rotation on the coaxial line.

Third Embodiment

6 is the present invention by the middle portion of the footrest 100 can be folded around the middle hinge hole 110, the hinge member 200 is connected to both sides through the horizontal hinge and vertically deployed leg member ( In the work table having 300 and 300a, a link lock 400 may be provided between the leg members 300 and 300a so as to be locked in the deployed state of the leg members 300 and 300a. .

The link lock 400, one end of the first rotary bar 420 is rotatably coupled to the one leg member 300 through the hinge shaft 422, one end hinge shaft to the other leg member (300a) Each of the first and second rotation bars on one side to connect the second rotation bar 440 rotatably coupled through the 442, the first and second rotation bars 420, 440 corresponding to each other A guide frame 482 is formed so that the other end is inserted so that the end is connected to the link 460, and the locking frame 484 is formed on the other side so that the locking end 484 is formed so that the other ends of the first and second rotation bars are rotated. 480).

100: scaffolding
200: hinge
300,300a: leg member
400: Link Lock
420: first rotation bar 440: second rotation bar
460: link 480: lock frame
500: stopper

Claims (4)

In the workbench, which is connected to both sides of the scaffold 100 through the hinges 200 and has leg members 300 and 300a that can be horizontally folded and vertically deployed,
Link locks (400) are provided at the connection portions to which the footrest (100) and the leg members (300) (300a) are coupled to enable locking in the deployed state of the leg members (300, 300a);
The link lock 400,
First rotating bar 420, one end of which is rotatably coupled to the end of the footrest 100 via a hinge shaft 422,
A second rotating bar 440 one end of which is rotatably coupled to the bracket 320 provided at an upper side or an upper side of the leg members 300 and 300a through a hinge shaft 442,
Opposite ends of the first and second rotation bars 420 and 440 are inserted into one side thereof so that both ends thereof connect the first and second rotation bars 420 and 440 so that the ends thereof are connected to the links 460, respectively. A guide groove 482 is formed, and the locking end 484 is formed so that the other ends of the first and second rotation bars 420 and 440 on the other side are respectively locked when rotated at an angle of 1-10 degrees on the coaxial line. Leg lock of the platform for the platform, characterized in that consisting of a frame (480).
Workbench having a middle portion of the footrest 100 can be folded about the middle hinge hole 110, and is connected to each other via the hinge hole 200 to have leg members 300 and 300a that can be horizontally folded and vertically deployed. To
Link locks (400) are provided on both sides of the intermediate hinge of the footrest (100) and the leg members (300) (300a) so as to enable locking in the deployed state of the leg members (300, 300a);
The link lock 400,
First rotating bars 420a and 420b, one end of which is rotatably coupled to both sides of the intermediate hinges of the scaffold 100 through hinge shafts 422a and 422b, respectively.
Second rotary bars 440a and 440b, one end of which is rotatably coupled to each of the lower ends of the leg members 300 and 300a through hinge shafts 442a and 442b.
The other ends of the first and second rotation bars are inserted into one side thereof so that both ends thereof connect the first and second rotation bars 420a, 420b, 440a, and 440b so that the ends thereof are connected to the link 460, respectively. Guide groove 482 is formed, the other end of the locking frame 480 is formed so that the other end of the first and second rotation bar is engaged with each other when the locking end 484 is formed when the angle is rotated 1-10 degrees on the coaxial line. Leg lock of the platform for the platform, characterized in that configured.
Workbench having a middle portion of the footrest 100 can be folded about the middle hinge hole 110, and is connected to each other via the hinge hole 200 to have leg members 300 and 300a that can be horizontally folded and vertically deployed. To
A link lock (400) is provided between the leg members (300) (300a) to enable locking in the deployed state of the leg members (300, 300a);
The link lock 400,
A first rotating bar 420 having one end rotatably coupled to the one leg member 300 through a hinge shaft 422,
A second rotating bar 440 whose one end is rotatably coupled to the other leg member 300a through a hinge shaft 442,
Guide grooves 482 are inserted such that the other ends of the first and second rotation bars are respectively inserted at one side to connect the first and second rotation bars 420 and 440 corresponding to each other. It is formed, the other end of the first and second rotary bar on the other side is characterized in that consisting of a locking frame 480 is formed so that the locking end 484 is formed so as to be locked each when rotated 1-10 degrees on the coaxial line Leg lock on alternate footrest.
The method according to any one of claims 1 to 3,
Work characterized in that the stopper 500 for adjusting the rotation angle of the second rotating bar is provided on the bracket 320 for coupling the second rotating bar to the hinge shaft 442 in the leg member (300) (300a). Leg lock on alternate footrest.
KR1020100119401A 2010-11-29 2010-11-29 A leg fastener of work table KR20120057868A (en)

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KR1020100119401A KR20120057868A (en) 2010-11-29 2010-11-29 A leg fastener of work table

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Application Number Priority Date Filing Date Title
KR1020100119401A KR20120057868A (en) 2010-11-29 2010-11-29 A leg fastener of work table

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KR20120057868A true KR20120057868A (en) 2012-06-07

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170016762A (en) 2015-08-04 2017-02-14 홍완식 A ladder of equipment
KR20210000960U (en) * 2019-10-28 2021-05-07 주식회사 쿨런바이크 Function ladder
KR102266791B1 (en) 2020-09-03 2021-06-17 신용락 A connecting apparatus between leg-parts for supporting structure and beam
KR20210120667A (en) * 2020-03-27 2021-10-07 안춘자 Ladder device
WO2023022301A1 (en) * 2021-08-17 2023-02-23 방응철 Dual bonded multi-purpose folding a-shaped support

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170016762A (en) 2015-08-04 2017-02-14 홍완식 A ladder of equipment
KR20210000960U (en) * 2019-10-28 2021-05-07 주식회사 쿨런바이크 Function ladder
KR20210120667A (en) * 2020-03-27 2021-10-07 안춘자 Ladder device
KR102266791B1 (en) 2020-09-03 2021-06-17 신용락 A connecting apparatus between leg-parts for supporting structure and beam
WO2023022301A1 (en) * 2021-08-17 2023-02-23 방응철 Dual bonded multi-purpose folding a-shaped support
KR20230026020A (en) * 2021-08-17 2023-02-24 방응철 Double-joint A-shaped foldable support

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