KR20160061922A - Connection device for fixing device of scaffold and fixing device of scaffold - Google Patents

Abstract

The present invention relates to a connection device for a scaffold fixing device and a scaffold fixing device including the same and, more specifically, relates to a connection device for a scaffold fixing device capable of stably connecting a mounting unit and a clamp by being provided in a scaffold fixing device, and a scaffold fixing device including the same. The scaffold fixing device comprises: a mounting unit having an upper plate of which both ends extend in a transverse direction on which is mounted on one side of a scaffold supported to a supporting bar in a vertical direction or between adjacent scaffolds; and a clamp coupled to the supporting bar. The connection device for the scaffold fixing device comprises: a fixing pin connected to the upper portion of the clamp with a hollow hole having a screw thread on an inner circumferential surface thereof; and a fastening unit connecting the upper plate with a fixing pin.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a connecting device for a footrest fixing device,

The present invention relates to a connecting device for a footrest fastening device and a footrest fastening device having the same. More particularly, the present invention relates to a connecting device for a footrest fastening device, And more particularly to a connecting device for a footrest fixing device and a footrest fixing device provided with the footrest fixing device, which is provided in a footrest fixing device including a mounting part including an upper plate and a clamp coupled to the supporting bar, for stably connecting the mounting part and the clamp.

Generally, when drying a structure such as a ship or a building, a setter is installed for a high-altitude work, and the setter is connected to a large number of scaffolds such as a scaffold or a chieftain to provide a pathway to an operator.

However, in order to connect a plurality of scaffolds, it is necessary to connect the scaffolds adjacent to each other in the longitudinal direction so as to overlap each other, and then to bind the scaffolds extending in the longitudinal direction using wires. And disassembly is inconvenient.

In addition, there is a risk that a safety accident may occur due to carelessness or the like of the worker because the degree of binding of the wires connecting the foot plates is not uniform.

On the other hand, Korean Patent Registration No. 10-397522 discloses a workbench for building construction in which a plurality of foot plates are continuously connected to each other in a longitudinal direction intersecting with the longitudinal direction to realize a safe working space of an operator.

However, in the case of a work platform for building construction, there is a problem that the structure of the foot plate itself needs to be changed because flanges and channels corresponding to each other must be provided on both sides of the foot plate.

Korean Registered Patent No. 10-397522 (Aug. 28, 2003)

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a seat including a top plate which is extended in a lateral direction and which is seated between one side of a foot plate, And a foot fixing device provided in the foot fixing device including a clamp coupled to the supporting bar to stably connect the fixing part and the clamp, and a foot fixing device having the same.

The problems to be solved by the present invention are not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a seat assembly comprising: a seating part including a top plate having both ends extended in a lateral direction and seated between one side of a foot plate supported in a longitudinal direction or a foot plate adjacent to each other; And a clamp that has upper and lower portions coupled to the supporting bars, the clamping portion being connected to the upper portion of the clamp, the threaded portion being formed on the inner peripheral surface of the clamp, A fixing pin on which a hollow is formed; And a fastener for connecting the upper plate and the fixing pin, wherein the fastener comprises: a head portion seated on the upper plate; And an upper end portion connected to the head portion and a lower end portion passing through the upper plate and screwed to the hollow portion.

In addition, the present invention may further include a release preventing region for preventing the detachment of the fixing pin from the fastening hole, wherein the release preventing hole is coupled to the fastening hole so as to be positioned below the fixing pin.

The apparatus may further include protection means coupled to the fastener and protecting the fixing pin.

The protecting means according to the present invention is characterized in that the protection means comprises a protection plate which is located at the upper portion of the upper plate and through which the lower portion of the fastening hole is passed and a protective side plate extending downward from the protection plate, A protective member comprising; And a spring positioned between the upper plate and the protection member and coupled to the outer side of the fastener.

The body according to the present invention comprises: a first body having upper and lower ends and an upper end connected to the head; A second body having an upper end connected to a lower end of the first body, a lower end extending in a downward direction and having a thread formed on an outer circumferential surface thereof; And a third body having upper and lower ends, an upper end of which is connected to a lower end of the second body and to which the releasing restraint is coupled, the fixing pin being screwed to the second body, And the bushing is formed of a bushing coupled to the third body while having a hole penetrating in the vertical direction.

The second body according to the present invention may have a diameter larger than that of the third body, and may form a lift preventing jaw at a lower end thereof to prevent the separation preventing earth from being lifted from the third body.

The third body according to the present invention is characterized in that a thread is formed on the outer circumferential surface and the bush is screwed to the third body while a thread is formed on the inner circumferential surface forming the hole.

The second and third bodies according to the present invention are characterized in that the threads formed on the outer circumferential surface are formed in directions opposite to each other.

The body according to the present invention comprises: a first body having upper and lower ends and an upper end connected to the head; A second body having an upper end connected to a lower end of the first body, a lower end extending downward, a thread formed on an outer circumferential surface of the first body, And a third body having upper and lower ends, the upper end of which is connected to the lower end of the second body, and the release stop is coupled to the second body, the second body extending upward from the lower end, Wherein the third body is formed to have a smaller diameter than the second body and a stopper is provided at a lower end of the third body so as to prevent the separation of the separation stay from the idle rotation, Wherein the fixing pin is lowered in accordance with the rotation of the fastener so that the lowering of the fixing pin due to the rotation of the fastener is not performed, ; And a coil spring coupled to the third body so as to be positioned between the presser ring and the stopper and pressing the pressing ring to support the fixing pin positioned in the idle rotation section.

The body portion according to the present invention is characterized in that a stopper is provided at a lower end portion.

The present invention provides a footrest fixing device including a connecting device for a footrest fixing device according to the present invention.

According to the present invention, there is provided a footrest fixing device including a seat coupled to a support bar and a seat including a top plate extending at both ends in a transverse direction and mounted on one side of a footrest or a footrest supported in a longitudinal direction on the support bar, There is an effect that the seat portion and the clamp can be stably connected.

Accordingly, the footrest can be stably fixed to the support bar supporting the footrest in a longitudinal direction intersecting with the longitudinal direction transverse to the longitudinal direction, and the footrests adjacent to each other can be stably connected to each other.

The effects of the present invention are not limited to those mentioned above, and other solutions not mentioned may be clearly understood by those skilled in the art from the following description.

1 is a perspective view showing a connecting device for a footrest fixing device according to the present invention.
2 is a perspective view showing a footrest fixing device in a state where a connecting device for a footrest fixing device according to the present invention is coupled.
3 and 4 are exploded perspective views showing a protecting means in a connecting device for a footrest fixing device according to the present invention.
Fig. 5 is a front view showing the seating portion in Fig. 3; Fig.
6 is a perspective view showing a connecting device for a footrest fixing device according to the present invention.
FIG. 7 is a front view showing a state where the connecting device for a footrest fixing device according to the present invention is engaged with a seat part. FIG.
8 and 9 are a perspective view and an exploded perspective view showing a separation chamber in a connecting device for a footrest fixing device according to the present invention.
10 is a perspective view showing a bushing in a connecting device for a footrest fixing device according to the present invention.
11 is a front view showing a fastener in a connecting device for a footrest fixing device according to the present invention.
FIG. 12 is a perspective view showing another example of the releasing station in the connecting device for the footrest fixing device according to the present invention. FIG.
13 is a perspective view showing a fixing pin in the connecting device for a footrest fixing device according to the present invention.
14 is a state view showing a connecting device for a footrest fixing device according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 14, a connecting device (hereinafter referred to as "connecting device") 1 for a footrest fixing device according to the present invention includes a supporting bar 210, And a clamp 120 coupled to the supporting bar 210. The seating part 110 includes a top plate 111 which is seated between the supporting part 210 and the seating part 110, A fixing pin 10 to which the clamp 120 is rotatably coupled and which has a hollow 11 for forming a thread on an inner circumferential surface thereof and a fixing pin 10 for connecting the upper plate 111 and the clamp 120, And a fastener (20) for connecting the fixing pin (10).

As shown in FIGS. 1 to 4, the fastener 20 has a head 21 and an upper end connected to the head 21 and a lower end connected to the upper plate 111, And a body portion (22) threaded through the hollow (11).

The head portion 21 preferably protrudes outwardly from the periphery of the body portion 22, and may have a circular or hexagonal shape.

The fastener 20 may be provided at its lower end with a stopper 23 so as not to be detached from the hollow 11.

The stopper 23 protrudes outward from the lower end of the fastener 20 and is formed to pass through the hollow 11.

The footrest 220 is supported by the support bar 210 as shown in FIG. 14, and forms a stand 200 to be installed for a high-altitude operation when a structure such as a ship or a building is dried.

The footrest 220 has both ends and includes a general scaffold, a chieftain, etc. extending in both ends thereof. The footrests 220 form a footrest structure 230 functioning as a work passage while being arranged in a longitudinal direction or a transverse direction in which a plurality of footrests 220 intersect with the longitudinal direction.

The supporting bars 210 are formed in a general circular pipe shape and are connected to each other along the circumference of the structure to form a foundation frame of the suspended body 200 while supporting the footrest 220, To be installed.

The support bars 210 may be disposed on the lower side of the support bars 210. The support bars 210 may be disposed on the lower side of the support bars 210, have.

The footrest fixing device 100 may stably bind the footrest 220 to the support bar 210 that supports the footrest 220 while the footrest 220 So that mutual binding can be achieved.

As shown in FIGS. 3 to 4, the upper plate 111 has a pair of coupling holes 111a through which the lower ends of the coupling holes 20 pass, .

2, the lower end of the body portion 22 passes through the coupling hole 111a and is screwed to the hollow 11, while the head portion 21 And is seated on the upper plate 111 without passing through the coupling hole 111a.

14, one side of the upper plate 111 may be seated on a foot plate 220 disposed at an edge of the foot structure 230, or both side plates may be seated on two foot plates 220 adjacent to each other have.

A footrest disposed at an edge of the footrest structure 230 can be understood as a footrest disposed on both sides of the footrest structure 230.

3 or 5, when the footrest 220 is fixed to the support bar 210 at the edge of the footrest structure 230, 14, the connecting device 1 is connected to the upper plate 111 and the clamp 120 coupled to the supporting bar 210. As shown in Figure 14, do.

4 or 6, when the footrest fixing device 100 fixes the footrest 220 constituting the footrest structure 230 to the support bar 210, 14, the connecting device 1 is mounted on both the top plate 111 and the supporting bar 210, and the clamps 120 ).

Accordingly, the footrest fixing device 100 can fix the footrest 220 disposed at the edge of the footrest structure 230 to the support bar 210 as shown in FIG. 14, The supporting bar 210 can be fixed between the foot plates 220 constituting the structure 230. [

The seating part 110 is connected to the upper plate 111 as shown in FIG. 3 or FIG. 5 and prevents the upper plate 111 from flowing while contacting the supporting bar 210 or the foot plate 220. (Not shown).

One end of the upper plate 111 is seated on one side of the foot plate 220. The spacing part 112 extends downward from the other side of the upper plate 111 and is in contact with the support bar 210 A side plate 113 for supporting the other side of the upper plate 111 and at least one plate of the side plate 113 and the upper plate 111 and connected to at least one plate of the upper plate 111, And a gap holding plate 114 for preventing flow.

3, a through hole 114a through which the lower end of the body 22 passes may be formed on the space holding plate 114. [

At this time, it can be understood that the footrest fixing device 100 fixes one side of the footrest 220 to the support bar 210.

Alternatively, the spacing portion 112 may include a pair of center plates 115 extending downward from the front and rear surfaces of the upper plate 111 as shown in FIG. 4 or 6.

At this time, it can be understood that the footrest fixing device 100 fixes the footrest 220 to the support bar 210.

2 to 4, the clamp 120 is formed with a fastening hole 121a at an upper portion thereof and is rotatably coupled to the fixing pin 10, and a coupling groove 121b is formed at a lower portion thereof, A pair of side clamps 121 detachably coupled to the support bar 210 and a connection clamp 122 connecting the pair of side clamps 121.

The coupling groove 121b is formed at one end of the pair of side clamps 121 facing the support bar 210 and the connection clamp 122 is engaged with the pair of side clamps 121 Connect the ends.

The pair of side clamps 121 and the connection clamps 122 may be integrally connected to each other by bending or bending after being formed into the same surface by press working or the like on a metal plate.

The upper part of the clamp 120 is lifted and lowered together with the fixing pin 10 according to the fastening rotation of the fastening tool 20 and the lower part of the clamp 120 is positioned with the supporting bar 210 And is bound to the support bar 210. [

The upper portion of the clamp 120 is lowered together with the fixing pin 31 and the lower portion of the clamp 120 is lowered by the support bar 210 about the fixing pin 31, And is unbonded from the support bar 210 while rotating in the opposite direction.

Accordingly, the connecting device 1 may clamp the clamp 120 to the support bar 210 or unbind it from the support bar 210 according to the adjustment of the fastener 20 .

The footrest fixing device 100 can securely fix the footrest 220 to the support bar 210 according to the adjustment of the fastener 20, thereby providing a safe working environment to the operator.

The connecting device 1 may further include a protection means 30 for protecting the fixing pin 10. [

3 to 4 and 7, the protection means 30 includes a protection plate 32 on which a through hole 32a through which the lower end of the coupling 20 passes is formed, A protective member 31 extending downward and including a protective side plate 33 positioned outside the fixing pin 10 and a protective member 31 located between the top plate 111 and the protective member 31, And a spring (34) coupled to the outside of the sphere (20).

The protective side plates 33 are opposed to each other, and the upper end is connected to the protection plate 32 and the lower end is extended downward.

The protective side plate 33 is preferably bent in a direction in which the lower end portion is opposed.

The spring (34) presses the protection member (31) to protect the fixing pin (10).

The protection member 31 protects the fixing pin 10 which is raised and lowered in the longitudinal direction of the fastening hole 20 in accordance with the rotation of the fastening hole 20.

Thus, the protection means 30 blocks foreign substances or the like that may flow into the hollow 11 formed in the fixing pin 10, thereby preventing the loosening of the fastener 20 or the like.

8 to 12, the connecting device 1 is coupled to the fastener 20 so as to be positioned below the fixing pin 10, And may further include a region 40.

The body 22 has a first body 24 having upper and lower ends and an upper end connected to the head 21, an upper end connected to a lower end of the first body 24, A second body 25 formed with a thread on an outer circumferential surface of which the fixing pin 10 is screwed and an upper and a lower end, the upper end of which is connected to the lower end of the second body 25, And a third body 26 to which the region 40 is coupled.

The fixing pin 10 is screwed to the second body 25 through the third body 26 and is screwed into the first body 25, The lifting and lowering is restricted by the lifting unit 24 and the lifting and lowering is restricted by the lifting unit 40 and the lifting is prevented.

Therefore, it can be understood that the up and down movement of the fixing pin 10 according to the tightening or unclamping rotation of the fastener 20 is performed only in the second body 25.

9 or 11, the second body 25 has a diameter larger than that of the third body 26, and a lower end portion of the second body 25 forms an elevation preventing chin 25a.

The lifting and lowering restricting tails 25a abut against the escape chamber 40 to prevent the escape chamber 40 from being raised or lowered from the third body 26 to the second body 25. [

8 to 11, the escape chamber 40 may include a bushing 41 formed with a hole 42 penetrating inwardly in the vertical direction to be coupled to the third body 26 .

The bushing 41 may be screwed to the second body 25 while a thread is formed on the inner circumferential surface of the bushing 41. The second body 25 is formed with a thread on an outer circumferential surface thereof.

 As shown in FIG. 10, the bushing 41 may be provided with a pattern 41b on the outer circumferential surface thereof, which includes concavo-convex patterns, engraved patterns or embossed patterns.

This is to prevent the sliding of the bushing 41 due to the engagement of the bushing 41 with the third body 26 so that the bushing 41 can be grasped smoothly.

At this time, the second and third bodies 25 and 26 are preferably formed in a direction opposite to the thread formed on the outer circumferential surface.

That is, the fixing pin 10 and the releasing preventing portion 40 move in opposite directions to each other in accordance with the rotation of the body portion 22 in the left or right direction.

For example, the fixing pin 10 is lowered in accordance with the rightward rotation, while the bushing 41 is lifted and lowered in accordance with the rightward rotation.

The bushing 41 is moved up and down in the opposite direction in accordance with the rotation of the fixing pin 10 in the same direction so that the fixing pin 10 is not unclamped by the pressing of the lowering pin 10, Can be stably supported.

The bushing 41 is lowered along the rotation of the fastening hole 20 and is prevented from being separated from the third body 26 which may be generated while being rotated in the same direction together with the fixing pin 10 can do.

The stopper 23 may be a flange 23a extending outward from the lower end of the third body 26 as shown in FIG.

The flange 23a contacts the bushing 41 and prevents the bushing 41 from being separated from the third body 26. [

The flange 23a may protrude outwardly as the lower end of the third body 26 is pressed and the flange 23a may be integrally formed with the fixing pin 10 and the bushing 41 and the third body 26 Of course.

Accordingly, the bushing 41 is coupled to the third body 26 and can be kept in a stable state while being lifted and lowered by the lifting and lowering protrusion 25a and the flange 23a.

Alternatively, the release ring 40 may include a pressure ring 42 coupled to the third body 26 to be positioned below the fixing pin 10 and a pressure ring 42 coupled to the pressure ring 42, And a coil spring (43) coupled to the third body (26) to be positioned between the stopper (23).

The second body 25 may extend upward from the lower end and may have an idle rotation section 25b in which no thread is formed on the outer periphery.

Preferably, the third body 26 is not threaded on the outer circumferential surface.

Preferably, the stopper 23 includes a binding ring 23b fitted to the lower end of the third body 26. [

The idle rotation section 25b moves down the fixing pin 10 as the fixing pin 10 is lowered in accordance with the releasing rotation of the fixing hole 20 and the releasing rotation of the fixing hole 20 is performed .

The pressing ring 42 stably supports the fixing pin 10 while being in contact with the fixing pin 10 in accordance with the pressing of the coil spring 43 and is detached from the fastening hole 20 ≪ / RTI >

Accordingly, when the fixing pin 10 is positioned in the idling section 25b in accordance with the unclamping rotation, the fixing pin 10 is rotated in the idling state in which the lowering of the fixing pin 10 is not performed .

Therefore, the connecting device 1 can prevent the detachment of the fixing pin 10 due to the release rotation of the fastener 20.

13, the fixing pin 10 may be formed with a lead-in groove 12 communicating with the hollow 11 on the lower surface thereof and receiving the upper end of the releasing preventing portion 40.

The upper end of the escape chamber 40 is pulled in accordance with the descent of the fastener 20 and the rotation of the fastener 20 is stopped.

The inlet grooves 12 are not limited to those formed on the lower surface of the fastener 20 but may be formed on the upper and lower surfaces of the fastener 20, respectively.

This is because the upper surface of the fixing pin 10 may be directed downward and the lower surface thereof may be directed upward while the fixing pin 10 is coupled to the second body 25. In other words, the fixing pin 10 can be coupled to the second body 25 regardless of the fastening direction.

The connecting device 1 is configured such that the fixing pin 10 screwed to the fastening hole 20 is movably coupled in the longitudinal direction of the fastening hole 20, It is possible to stably connect the seating part 110 and the clamp 120. [0050] As shown in FIG.

Although the present invention has been fully described by way of example with reference to the accompanying drawings, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

1: connecting device 10: fixing pin
11: hollow 12: inlet groove
20: fastener 21: head
22: body portion 23: stopper
23a: flange 24: first body
25: second body 25a:
25b: idling section 26: third body
30: protection means 31: protective member
32: Protective plate 32a: Through hole
33: protective side plate 34: spring
40: Release room 41: Bushing
41a: Hole 41b: Glyph
42: pressurizing ring 43: coil spring
100: Footrest fixing device 110:
111: upper plate 111a: engaging hole
112: separation part 113: side plate
114: spacing plate 115: center plate
120: Clamp 121: Side clamp
121a: fastening hole 121b: engaging groove
122: connection clamp 200:
210: support bar 220: foot plate
230: scaffold structure

Claims (11)

A seating part including a top plate extending at both ends in a transverse direction and being mounted on one side of a foot plate supported in a longitudinal direction or a foot plate adjacent to each other in a longitudinal direction; And a clamp having an upper portion and a lower portion, the lower portion of the clamp being coupled to the support bar, the coupling device connecting the seating portion to the clamp,
A fixing pin connected to an upper portion of the clamp and having a hollow for forming a thread on an inner circumferential surface thereof; And
And a fastener for connecting the upper plate and the fixing pin,
The fastener includes:
A head portion seated on the upper plate; And
Wherein the upper end portion is connected to the head portion, and the lower end portion includes a body portion passing through the upper plate and screwed to the hollow portion. The method according to claim 1,
Further comprising an escape region for preventing the detachment of the fixing pin from the fastener,
The departure-
Wherein the fastening member is coupled to the fastener so as to be positioned below the fixing pin. The method according to claim 1,
Further comprising a protection unit coupled to the fastening member, for protecting the fixing pin. 4. The method of claim 3,
The protection means,
A protection member disposed on the upper surface of the upper plate and having a through hole through which the lower portion of the fastener passes, and a protective side plate extending downward from the protection plate and positioned outside the fixing pin; And
And a spring disposed between the upper plate and the protection member and coupled to an outer side of the fastener. 3. The method of claim 2,
The body portion
A first body having upper and lower ends and an upper end connected to the head;
A second body having an upper end connected to a lower end of the first body, a lower end extending in a downward direction and having a thread formed on an outer circumferential surface thereof; And
And a third body having an upper portion and an upper portion connected to a lower end portion of the second body,
Wherein the fixing pin includes:
A second body screw-engaged,
The departure-
And a bushing connected to the third body while being formed with a hole penetrating in the vertical direction. 6. The method of claim 5,
The second body may include:
Wherein the third body is larger in diameter than the third body, and the lower end of the third body forms an elevation preventing jaw that blocks the escape from the third body. The method according to claim 6,
The third body may include:
A thread is formed on the outer peripheral surface,
The bushing
And a screw thread is formed on an inner circumferential surface of the hole to be screwed to the third body. 8. The method of claim 7,
The second and third bodies
And the threads formed on the outer circumferential surface are formed in directions opposite to each other. 3. The method of claim 2,
The body portion
A first body having upper and lower ends and an upper end connected to the head;
A second body having an upper end connected to a lower end of the first body, a lower end extending downward, a thread formed on an outer circumferential surface of the first body, And
And a third body having an upper end and an upper end connected to the lower end of the second body and coupled with the release stop,
The second body may include:
An idling section which is formed to extend upward from the lower end and in which no thread is formed on the outer circumferential surface,
The third body may include:
A diameter of the stopper is smaller than a diameter of the second body,
In the idling period,
The lower end of the fixing pin is positioned in accordance with the rotation of the fastener, so that the lowering of the fixing pin due to the rotation of the fastener is prevented,
The departure-
A pressing ring coupled to the third body to be positioned below the fixing pin; And
And a coil spring coupled to the third body so as to be positioned between the pressing ring and the stopper and pressing the pressing ring to support the fixing pin positioned in the idling section, Device. The method according to claim 1,
The body portion
And a stopper is provided at a lower end of the connecting portion. A footrest securing device comprising the connecting device for the footrest fastening device of any one of claims 1 to 10.

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