KR102547576B1 - A scaffolding clamp - Google Patents

Abstract

The present invention relates to a scaffolding clamp with improved fixing power of a pipe for scaffolding installation as well as improved reinforcing force for the durability of the scaffolding clamp for fixing the pipe, and more particularly, to a scaffolding clamp used to connect pipes during construction scaffolding. In the scaffold clamp, a reinforcing body bent to form the lower and rear surfaces of the scaffolding clamp, a pair of side wall bodies fixed to be adjacent to each other on both sides of the reinforcing body, and the reinforcing body and the side wall body A rotating body rotatably coupled to any one of a plurality of fastening means for fixing each other to press and fix the pipe together with the pair of side wall bodies, and a rotating body rotatably coupled to the pair of side wall bodies by rotation It includes a pressing body inserted into and fixing the rotating body by pressing, characterized in that embossing is formed on the outer surface of at least one of the reinforcing body and the rotating body to improve the reinforcing force of the scaffold clamp.

Description

Scaffolding clamp {A scaffolding clamp}

The present invention relates to a scaffolding clamp having improved fixing power of a pipe for scaffolding installation as well as improved reinforcing force for durability of the scaffolding clamp for fixing the pipe.

In general, after building a frame, the outdoor construction of the building is done first, followed by the indoor construction. make it possible

The scaffolding installed for the exterior wall construction of the above-mentioned building has a truss structure made of vertical, horizontal, or diagonal pipes (PIPE), and the above-mentioned A clamp is provided to firmly couple them to each other.

These scaffolding clamps are usually used by inserting the scaffold into the clamp and tightening it with bolts to fix the clamp into the scaffold. As an example, the scaffolding clamp as shown in FIG. 1 is disclosed, and the castle is briefly looked at A clamp body that forms a curve inside and has a first hinge and a second hinge at both ends, and the first hinge and one end of the above-described clamp body are rotatably fastened to form a curve inside and a fastening groove is formed at the other end A cover, a rotation screw having one end rotatably fastened to the above-described second hinge, and a female screw having a thread formed therein so as to be fastened to the other end of the above-mentioned rotation screw. A rotation handle is provided at the top of the above-mentioned female screw. It is formed of a configuration including a fastener to be.

However, since the clamp body 10 and the inner circumferential surface of the cover 20, which substantially pressurize and fix the outer circumferential surface of the scaffold with a smooth surface, the clamp of the prior art also has smooth surface contact, respectively, so that the operator's skill or work site When the screw coupling of the fastener 40 is loosened due to frequent vibration, a problem occurs in that the fixing force of the scaffold and the scaffolding clamp itself is lowered.

In addition, the prior art is a method of fixing the outer circumferential surface of the scaffold by interlocking the inner circumferential surface of the clamp body 10 and the cover 20 when the scaffold and the scaffold clamp are mutually fastened, so due to frequent use, the body 10 and the cover 20 ), the strength of the bite part is lowered, and when an external impact occurs, problems such as severe tearing occur, which is accompanied by a problem that can cause a safety accident.

Korean Patent Publication No. 10-2007-0056757 (published date: 2007.06.14.) Domestic Public Utility No. 20-2022-0000014 (Public Date: 2022.01.04.) Domestic Registered Utility No. 20-0386763 (Announcement date: 2005.06.16.)

In order to solve the above-mentioned conventional problems, an object of the present invention is to provide a scaffold clamp with improved fixing force and durability against the bite between the outer circumferential surface of the scaffold and the inner circumferential surface of the clamp to be interviewed.

In order to solve the technical problems of the prior art problems described above, the scaffolding clamp according to the present invention is a scaffolding clamp used for connecting pipes during construction scaffolding, wherein the scaffolding clamp is bent to form the lower and rear surfaces of the scaffolding clamp. The formed reinforcing body 100, a pair of side wall bodies 200 fixedly installed adjacent to each other on both sides of the reinforcing body 100, and a plurality of mutually fixing the reinforcing body 100 and the side wall body 200. The rotating body 300 and the pair of side wall bodies 200 for pressurizing and fixing the pipe P together with the pair of side wall bodies 200 by being rotatably coupled with any one of the fastening means B of It includes a pressing body 400 rotatably coupled but inserted into the rotating body 300 by rotation to fix the rotating body 300 by pressing, but the reinforcing body 100 or the rotating body 300 ), characterized in that embossing (M) is formed on at least one outer surface of the scaffold clamp to improve the reinforcing force.

In addition, it is preferable that the reinforcing body 100 is formed bent in an 'b' shape, but at both ends, fitting protrusions 110 fitted with the side wall body 200 are formed.

In addition, the side wall body 200 is formed in an arc shape corresponding to the insertion hole 210 formed through which the fitting protrusion 110 of the reinforcing body 100 is inserted, and the circumferential surface of the pipe P. It is preferable to include a plurality of first protrusions 221 formed in the longitudinal direction of the curved portion 220 in order to prevent the curved portion 220 and the pipe P being pressurized and fixed from slipping.

In addition, the side wall body 200 further includes a spacer pipe 230 into which the fastening means B is inserted, but the spacer pipe 230 is a pair of coupled to both sides of the reinforcing body 100. It is preferable to have the same length as the distance between the side wall bodies 200.

In addition, the rotary body 300 has a curved shape, but the embossing (M) is formed on the outer surface, and the pipe (P) together with the side wall body 200 is formed with the fastening means (B) inserted through the lower part as an axis A rotating body 310 that rotates to pressurize the outer surface, a bent portion 320 bent to have an arc shape in the direction of the reinforcing body 100 at both ends of the rotating body 310, and the side wall body In order to prevent the pipe P, which is pressurized and fixed together with the 200, from slipping, a plurality of second protrusions 321 formed in the longitudinal direction at the end of the bent portion 320 and formed on the upper part of the rotating body 310 to rotate It is preferable to include a coupling groove 330 through which the pressing body 400 enters and exits.

In addition, the pressing body 400 is inserted into the upper portion of the pair of adjacent side wall bodies 200, the rotating shaft 410, and the rotating shaft 410 to be located between the pair of side wall bodies 200 It is rotatably inserted into the rotation bar 420, which is inserted into and out of the coupling groove 330 by rotation, and fastened so that it can be screwed with the screw thread formed on the outer surface of the rotation bar 420, depending on the degree of tightening. A fixing nut 430 for pressing and fixing the outer surface of the rotating body 310 and at least one or more of the rotating bar 420 are inserted through the outer surface of the rotating shaft 410 so that the rotating bar 420 can be provided on both sides. It is preferable to include a washer 440 to prevent the rotating shaft 410 from flowing in the longitudinal direction.

According to the present invention, due to the embossing formed in the form of intaglio and embossing differently from the prior art, it has an effect of maintaining durability even when external physical force is applied to the reinforcing body and the rotating body.

In addition, unlike the prior art, a pair of sidewall bodies can be detachably coupled to both sides by fastening means based on the reinforcing body, so that the effect of providing convenience in maintenance through replacement of individual components is realized. do.

In addition, through the first protrusion formed on the curved portion and the second protrusion formed on the bent portion, differentiated from the prior art, an effect that can be easily applied by pressing the outer surface of the pipe is realized.

In addition, unlike the prior art, a plurality of washers can be inserted into the rotating shaft together with the rotating bar, so that the rotating bar does not flow in the longitudinal direction of the rotating shaft when rotating and is stably inserted into the coupling groove so that the fixing nut stably moves the rotating body It also has the effect of being pressurized with.

1 is a perspective view showing a scaffold clamp according to the present invention.
Figure 2 is an exploded perspective view of Figure 1;
Figure 3 is a side view of Figure 1;
Figure 4 is another embodiment of a reinforcing body for the scaffold clamp according to the present invention.
5 is an exemplary view in which a pair of scaffold clamps of FIG. 4 are combined;

Hereinafter, various embodiments will be described in more detail with reference to the accompanying drawings. The embodiments described in this specification may be modified in various ways. Certain embodiments may be depicted in the drawings and described in detail in the detailed description. However, specific embodiments disclosed in the accompanying drawings are only intended to facilitate understanding of various embodiments. Therefore, the technical idea is not limited by the specific embodiments disclosed in the accompanying drawings, and it should be understood to include all equivalents or substitutes included in the spirit and technical scope of the invention.

Terms including ordinal numbers, such as first and second, may be used to describe various components, but these components are not limited by the above terms. The terminology described above is only used for the purpose of distinguishing one component from another.

In this specification, terms such as "comprise" or "having" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded. It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it should be understood that no other element exists in the middle.

In addition, in describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be abbreviated or omitted.

Hereinafter, the scaffolding clamp 1 according to the present invention will be described in detail with reference to the accompanying drawings.

First, as shown in FIGS. 1 to 3, the scaffolding clamp 1 according to the present invention largely includes a reinforcing body 100, a side wall body 200, a rotating body 300 and a pressing body 400, , The reinforcing body 100 and the rotating body 300 may be embossed (M) formed to improve durability by resisting the physical force generated when pressing and fixing the outer surface of the pipe (P).

In more detail, the reinforcing body 100 is configured to be detachably coupled between a pair of side wall bodies 200 to be described later to reinforce the spacing of the side wall bodies 200 so that they do not change.

To this end, the reinforcing body 100 is formed by bending to have an 'L' shape as a whole using a steel material, so that the bottom and rear surfaces of the scaffold clamp 1 according to the present invention can be formed with a pair of side wall bodies ( 200) and combined.

At both ends of the reinforcing body 100, fitting protrusions 110 are formed to be inserted through the side wall body 200, respectively, and the fitting protrusions 110 are fitted and combined with the insertion hole 210 by shape fitting to form one reinforcement. A pair of side wall bodies 200 are fastened to the body 100 so as to have a structure.

At this time, the pair of side wall bodies 200 coupled to both sides of the reinforcing body 100 may be fixed to the reinforcing body 100 by the penetration of fastening means (B) composed of rivets or bolts and nuts. Description will be described in more detail in the side wall body 200 to be described later.

On the other hand, the embossing (M) formed on the outer surface of the reinforcing body 100 is such that when a physical external force is applied to the reinforcing body 100 for fixing the pipe (P), the reinforcing body 100 is damaged or the shape deformation does not occur. It is molded to have a shape of intaglio (M-1) or embossed (M-2) on the outer surface of the reinforcing body 100 for the purpose of reinforcing it.

In addition, through-holes 10 are perforated on the outer surface of the reinforcing body 100 so that they can be mutually coupled by the separate scaffolding clamp 1' and the fastening means B (see Figs. 4 and 5).

Thus, a plurality of pipes (P) to form a scaffold are crossed with each other and coupled to a pair of scaffolding clamps (1, 1') connected to each other by the fastening means (B) according to the direction of the pipe (P) Fixing of the corresponding pipe P can be easily implemented.

In addition, the side wall body 200 is fixedly coupled by the fastening means (B) to be adjacent to each other on both sides of the above-described reinforcing body 100, and pressurizes and fixes the outer surface of the pipe (P) together with the rotating body 300 described later. It includes an insertion hole 210, a curved portion 220, and a space maintaining pipe 230 as a configuration for doing so.

For example, as shown, the insertion hole 210 is perforated on the outer surface of the side wall body 200 opposite to the fitting protrusion 110 protruding from both ends of the reinforcing body 100 and coupled with the fitting protrusion 110 in a form-fitting manner. make it possible

At this time, the upper part of the pair of side wall bodies 200 is preferably formed bent so that the gap is narrowed so that the pressurizing body 400 to be described later is installed at a predetermined position so that the flow distance is relatively narrowed and installed.

In addition, the curved part 220 is formed to have an arc shape on the outer surface of the side wall body 200 in contact with the pipe (P), but the circumferential surface of the curved part 220 is the first protrusion 221 adjacent to each other in the longitudinal direction A plurality of protrusions are formed so that the first protrusion 221 has a structure capable of stably pressing and fixing the outer surface of the pipe P without being pushed when pressing.

Here, it is preferable that the first protrusion 221 is not simply protruding, but that the end face to be interviewed corresponding to the circumferential surface of the pipe P is formed in an arc shape, and the plurality of first protrusions 221 At least one of them has a circular cross section by varying the protruding length so that the pipe P can be stably fixed by pressing.

As shown as an example, the length of the first protrusion 221 formed at one end and the other end of the curved portion 220 among the plurality of first protrusions 221 can be formed longer so that the fixing force of the pipe P can be improved. there is.

In addition, the space keeping pipe 230 is provided on the outer surface of the plurality of fastening means (B) for fixing the pair of side wall bodies 200 to the reinforcing body 100, and the pair of side walls when fixing the pipe (P) The distance D between the bodies 200 is maintained at all times.

That is, the pair of side wall bodies 200 provided on both sides of the reinforcing body 100 are fixedly coupled to the reinforcing body 100 by a plurality of fastening means B inserted through the through hole 10. The holding pipe 230 is provided on the outer surface of at least one of the plurality of fastening means (B) and is installed so that both ends can contact each of the side wall bodies 200 facing each other, so that the gap ( D) to be maintained.

To this end, the length of the spacing pipe 230 is molded to have the same length as the distance D between the pair of side wall bodies 200.

In addition, the rotating body 300 is rotatably fastened between the above-described pair of side wall bodies 200 and rotates to a configuration for pressing and fixing the outer surface of the pipe P together with the side wall body 200 by its rotation. It includes the whole 310, the bent part 320 and the coupling groove 330.

For example, as shown, the rotating body 310 is molded to have an arc shape as a whole using a steel material, but the lower part is any of a plurality of fastening means (B) for fixing a pair of side wall bodies 200. One is inserted through so that the rotating body 310 can be used as an axis during rotation.

On the outer surface of the rotating body 310, embossings M having intaglio and embossed shapes formed on the above-described reinforcing body 100 are molded to reduce durability due to physical force generated when pressurizing and fixing the pipe P. Reinforcement to prevent this is possible.

At this time, the embossing (M) is formed in the rotating body 310, as well as the above-described reinforcing body 100, the shape of the embossing (M) is also possible to be molded in plurality as necessary.

In addition, as shown, the bent portion 320 is formed by bending at right angles on both sides of the rotating body 310, but the bent portion 320 is molded to have an arc shape in the same way as the curved portion 220 described above. It is so that the pipe (P) can be pressurized and fixed together with the first protrusion 221 formed on the curved portion 220.

To this end, a second protrusion 321 having the same shape as the first protrusion 221 is formed at the end of the bent portion 320 having an arc shape so that the pipe P can be stably pressurized and fixed. , The second protrusion 321 interviewing the outer surface of the pipe P may also be formed in an arc shape at an end interviewed in correspondence with the circumferential surface of the pipe P.

In addition, the coupling groove 330 is formed to have a predetermined length on the upper part of the rotating body 310, and after the pressing body 400 to be described later is inserted by rotation, the rotating body according to the tightening degree of the fixing nut 430 (310) Pressurizes the outer surface to enable pressurization and fixation of the pipe (P).

Here, the pressing body 400 includes a rotating shaft 410, a rotating bar 420, a fixing nut 430 and a washer 440, as shown.

As described above, the rotating shaft 410 is fastened so that it can be connected to each other through the upper part of the pair of side wall bodies 200, the distance of which is relatively narrowed so as to minimize the moving distance of the rotating bar 420.

One side of the rotating bar 420 is installed so that it can be rotatably inserted into the rotating shaft 410, and a screw thread is formed on the outer surface of the fixing nut 430 and is coupled to each other, so that the fixing nut 430 Depending on the degree of tightening, the outer surface of the rotating body 310 is pressed so that the pressing force on the pipe P in a state of being bitten by the first and second protrusions 221 and 321 can be varied.

That is, in order to install the scaffold, the operator first rotates the rotating body 310 in a state in which the first protrusion 221 formed on the pair of curved parts 220 can face the outer surface of the pipe P. It is installed so that the second protrusion 321 can be interviewed on the other outer surface of the pipe (P).

In this state, the operator rotates the rotation bar 420 with the rotation shaft 410 as an axis in the direction of the rotation body 310, and when the rotation bar 420 is inserted into the coupling groove 330, the rotation of the fixing nut 430 While moving in the direction of the rotation body 310 through the, the outer surface of the rotation body 310 is tightened so as to be pressurized.

Then, according to the degree of tightening of the fixing nut 430, the second protrusion 321 formed on the rotating body 310 presses the outer surface of the pipe P to be interviewed, and at the same time, the rotating shaft through which the rotating bar 420 is inserted. (410) A pair of side wall bodies 200 connected to both sides are equally tightened in the direction of the rotating body 310, so that the first protrusion 221 is also interviewed in the same way as the second protrusion 321. Pipe ( P) As the outer surface is pressed, the pipe (P) can be firmly fastened to the scaffolding clamp (1).

Of course, if the above contents are performed in reverse order, when the tightening is performed to pressurize the outer surface of the pipe P, the pressing force of the first and second protrusions 221 and 321 decreases, and the pipe P is separated.

At this time, the rotating bar 420 rotates inside the coupling groove 330 and is stably inserted into the coupling groove 330 on both sides around the rotating bar 420 inserted through the outer surface of the rotating shaft 410. It is preferable that a plurality of washers 440 are further provided so that the rotation bar 420 does not flow in the longitudinal direction of the rotation shaft 410.

As described above, the scaffolding clamp (1) according to the present invention is different from the prior art due to the embossing (M) formed in the form of an intaglio (M-1) and an embossed (M-2) external physical force Even if applied to the reinforcing body 100 and the rotating body 300, it has an effect of maintaining durability.

In addition, unlike the prior art, a pair of side wall bodies 200 can be detachably coupled to both sides by the fastening means (B) based on the reinforcing body 100, so the convenience of maintenance through replacement of individual components. It will implement the effect that can provide.

In addition, unlike the prior art, through the first protrusion 221 formed on the curved portion 220 and the second protrusion 321 formed on the bent portion 320, fixing by pressing the outer surface of the pipe P can be easily applied. achieve possible effects.

In addition, unlike the prior art, a plurality of washers 440 together with the rotating bar 420 can be inserted through the rotating shaft 410, so that the rotating bar 420 rotates in the longitudinal direction of the rotating shaft 410. It is stably inserted into the coupling groove 330 without flow, so that the fixing nut 430 can stably press the rotating body 310 together.

As described above, the present invention has been described by specific details such as specific components and limited embodiments and drawings, but these are provided to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , Those skilled in the art in the field to which the present invention belongs can make various modifications and variations from these descriptions.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and it will be said that not only the claims to be described later, but also all modifications equivalent or equivalent to these claims belong to the scope of the present invention. .

1: scaffolding clamp according to the present invention
10: through hole
100: reinforcement body
110: fitting protrusion
200: side wall body
210: insertion hole 220: curved part
221: first protrusion 230: spacing pipe
300: rotating body
310: rotating body 320: bending part
321: second projection 330: coupling groove
400: pressurized body
410: rotation axis 420: rotation bar
430: fixing nut 440: washer
B: fastening means
M: embossed
P: pipe

Claims (6)

In the scaffolding clamp used to connect pipes during construction scaffolding,
The scaffolding clamp
A reinforcing body 100 formed by bending to form a lower surface and a rear surface of the scaffold clamp;
A pair of side wall bodies 200 fixedly installed adjacent to each other on both sides of the reinforcing body 100;
The reinforcing body 100 and the side wall body 200 are rotatably coupled to any one of a plurality of fastening means (B) for fixing each other to press the pipe (P) together with the pair of side wall bodies (200). Rotating body 300 for fixing; and
A pressing body 400 rotatably coupled to a pair of side wall bodies 200 and inserted into the rotating body 300 by rotation to fix the rotating body 300 by pressing; including,
The reinforcing body 100 is bent in a 'b' shape, and at both ends, fitting protrusions 110 fitted with the side wall body 200 are formed.
The side wall body 200 has a curved portion 220 formed in an arc shape corresponding to the insertion hole 210 and the circumferential surface of the pipe (P) through which the fitting protrusion 110 of the reinforcing body 100 is inserted. ),
The fitting protrusion 110 is fitted and coupled with the insertion hole 210 in a shape fit,
Scaffold clamp, characterized in that the embossing (M) is formed on the outer surface of at least one of the reinforcing body 100 or the rotating body 300 to improve the reinforcing force of the scaffold clamp.
delete According to claim 1,
The side wall body 200 is
A scaffold clamp comprising a plurality of first protrusions 221 formed in the longitudinal direction of the curved portion 220 to prevent the pipe P being pressurized and fixed from slipping.
According to claim 1,
The side wall body 200 is
It further includes; a space maintaining pipe 230 into which the fastening means (B) is inserted through;
The spacing pipe 230 is a scaffold clamp, characterized in that formed to have the same length as the distance between the pair of side wall bodies 200 coupled to both sides of the reinforcing body 100.
According to claim 1,
The rotating body 300 is
It has a curved shape, but the embossing (M) is formed on the outer surface, and the side wall body 200 is rotated to press the outer surface of the pipe (P) together with the side wall body 200 with the fastening means (B) inserted through the lower part as an axis. rotating body 310;
Bent parts 320 bent at both ends of the rotating body 310 to have an arc shape in the direction of the reinforcing body 100;
Second protrusions 321 formed in plurality in the longitudinal direction at the end of the bent portion 320 to prevent the pipe P being pressurized and fixed together with the side wall body 200 from slipping; and
The scaffolding clamp, characterized in that it comprises a; coupling groove 330 formed on the upper part of the rotating body 310, through which the rotating pressing body 400 enters and exits.
According to claim 1,
The pressing body 400 is
Rotating shafts 410 inserted through upper portions of the pair of side wall bodies 200 adjacent to each other;
A rotation bar 420 rotatably inserted into the rotation shaft 410 so as to be positioned between the pair of side wall bodies 200 and fastened to the rotation body 300 by rotation;
A fixing nut 430 that is fastened so as to be screwed with a thread formed on an outer surface of the rotation bar 420 and pressurizes and fixes the rotation body 300 according to the degree of tightening; and
At least one washer 440 inserted through the outer surface of the rotating shaft 410 so as to be provided on both sides of the rotating bar 420 to prevent the rotating bar 420 from flowing in the longitudinal direction of the rotating shaft 410; Scaffolding clamp comprising a.

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