JP5481096B2 - Scaffolding board - Google Patents

Description

  The present invention relates to a scaffolding baseboard attached in a standing posture on a side edge portion of a scaffolding plate temporarily installed at a construction site or the like.

  When working at a high place on a scaffolding board at a construction site, etc., various construction items and tools such as bolts, nuts, metal fittings, etc., and various materials and tools placed at the feet of the worker are accidentally dropped. And there is always a danger of accidents. Therefore, baseboards are attached on the side edges of the scaffolding board.

  As a conventional scaffolding baseboard, for example, there is one described in Patent Document 1 below. This is because a plurality of slide lock fittings are mounted on the outer surface side of the skirting board body so that each slide lock fitting slides up and down with respect to the skirting board body by rotating the lock bolt. The lower part of the base plate has a lock piece that faces the lower surface of the skirting board body, and the slide lock bracket is fitted with the side edge of the scaffolding plate between the lock piece and the lower surface of the skirting board body. By tightening the lock bolt so as to slide upward, the skirting board main body is fixed in a vertical posture.

JP 2002-227402 A

  The conventional scaffolding skirting board as described above has a problem that the production cost is high due to a large number of parts, and it takes time to mount the skirting board body to the scaffolding board.

  In view of the above circumstances, the present invention has an object to provide a baseboard for scaffolding that has a simple structure, a small number of parts, a low production cost, and an easy and easy attachment of the baseboard body to the scaffolding board. To do.

Means for solving the above problems will be described with reference numerals of the embodiments described later. The invention according to claim 1 is hung between the cross members 3 and 3 of the opposing building frames 2 and 2. A plurality of out guides 6 that are attached in a standing posture on the side edge of the passed scaffolding board 1 and are supported on the outer edge of the scaffolding board 1 are provided on the outer surface side of the baseboard body 5. The base metal body 5 is provided with a stopper metal 7 at the lower end of the base plate 5 and a latch metal 8 at the lower part of the other end. The stopper metal 7 can be freely attached to and detached from the cross member 3 of the scaffolding frame 2. A metal fitting body 9 attached to the inner surface of the skirting board main body 5 and an arcuate inner peripheral portion having the same diameter as that of the metal fitting main body 9. consists of a falling lock mounted so as to be vertically movable in its rear position in the inner side surface of the main metal member 9, the downward movement of the falling tablet 10 More, to grip the crosspiece 3 by an arc-shaped inner peripheral portion of the falling tablet with the engagement recess 9a of the fitting body 9 becomes locked state, being adapted to unlock by pulling the dropping tablets, anchor fitting 8 Has a locking recess 8a that is detachably locked to the cross member 3 of the scaffolding frame 2, and is attached to the inner surface side of the baseboard body 5 ,
The drop lock 10 of the locking bracket 7 is integrally extended in a downward U shape from the upper end to the rear, and the tip of the drop lock 10 is moved downward with respect to the bracket body 9 to be locked. A lower arm 15o is supported on the upper surface of the scaffold plate 1, and a support arm portion 15 is formed between the upper surface of the scaffold plate 1 and a finger insertion portion 16 for unlocking operation. A release state is achieved by inserting a finger into the insertion portion 16 and pulling up the support arm portion .

The effect of the invention by the above solution will be described with reference numerals in the embodiments to be described later. The scaffolding skirting board of the invention according to claim 1 has a metal fitting body 9 and a falling lock on one end side of the skirting board body 5. 10 is provided with a locking member 7 and a locking member 8 is provided on the other end side. Since the structure is simple and the number of parts is small, the manufacturing cost is low. When the attachment to the scaffold plate 1, down from a state in which lift the skirting body 5 on the side edges of the scaffolding board 1, while each out guide 6 abut supported by the outer edge surface 1a of the scaffolding board 1, the width The locking metal fitting 8 on one end side of the wooden body 5 is inserted between the cross member 3 of one scaffolding building frame 2 and the end portion of the scaffold plate 1, and the locking recess 8 a is formed in the cross member 3. If the locking metal fitting 7 on the other end is inserted between the cross member 3 of the other scaffold building frame 2 and the end of the scaffolding plate 1, the locking recess 9 a of the metal fitting body 9 is secured. together but engaged with the crosspiece 3, the engaging recess 9a substantially falling tablet 10 that have a circular arc-shaped inner peripheral portion 10a of the same diameter is guided to the crosspiece 3 drops tablets with vertical movement of the bracket body 9 Ten arcuate inner peripheral portions 10a are locked to the cross member 3 and are automatically locked. That is, the locking metal fitting 8 on one end side is inserted between the one horizontal member 3 and the scaffolding plate 1, and the locking metal fitting 7 on the other end side is inserted between the other horizontal member 3 and the scaffolding plate 1. Thus, the skirting board main body 5 can be easily and easily attached to the scaffold board 1 .

  In order to remove the baseboard attached to the scaffolding plate 1 as described above, the falling lock 10 of the locking bracket 7 is lifted and unlocked, and one end of the baseboard body 5 with the locking bracket 7 is lifted up. Then, after removing the retaining bracket 7 from between the cross member 3 and the scaffolding plate 1 of one scaffolding building frame 2, the other end of the retaining bracket 8 is lifted, and the retaining bracket 8 is secured to the other. By removing the scaffolding frame 2 from between the cross member 3 and the scaffold plate 1, the scaffolding skirting board 4 can be easily and easily removed.

The skirting body 5 is held in vertical position by out guide 6 is brought into contact with the outer edge surface of the scaffolding board 1. Further, in the skirting board body 5, the locking recess 8a of the locking bracket 8 on one end side is locked to the cross member 3, and the locking recess 9a of the bracket main body 9 of the release stopper 7 on the other end side is the cross member. 3 is prevented from moving in the longitudinal direction of the skirting board main body 5, and the falling lock 10 of the locking metal fitting 7 is moved down so that the arcuate inner peripheral portion 10 a of the falling lock 10 is the cross member 3. The baseboard body 5 is prevented from moving up and down, moving in the width direction, and falling down by exerting a gripping function of being held in a locked state and gripping the cross member 3. Thereby, the skirting board main body 5 is fixed to the standing posture on the side edge portion of the scaffold board 1.

In addition, according to the present invention , when the falling lock 10 is moved downward with respect to the metal fitting body 9 to be locked, the lower end 15o of the distal end portion of the support arm 15 is supported on the upper surface of the scaffold plate 1, and this support arm Since the unlocking operation finger insertion portion 16 is formed between the portion 15 and the upper surface of the scaffolding plate 1, a finger is inserted into the unlocking operation finger insertion portion 16 , and the support arm portion 15 is tilted upward. When pulled up, the falling lock 10 that was in the locked position moves upward and enters the unlocked state. In this way, one end side of the baseboard body 5 with the locking bracket 7 in which the falling lock 10 is unlocked is lifted, and the locking bracket 7 is attached to the cross member 3 of the scaffolding frame 2 and the scaffolding plate 1. After pulling out from between the ends, the other end of the skirting board body 5 with the locking bracket 8 is lifted in a state of being pulled to the end with the locking bracket 7, and the locking bracket 8 is moved to the other side. The baseboard 4 can be easily and easily removed from the scaffold board 1 by removing it from between the cross member 3 of the scaffold building frame 2 and the end of the scaffold board 1, and the unlocking operation of the falling lock 10 can be performed. Becomes easy.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view showing a state in which scaffolding baseboards according to the present invention are attached along both side edges of two continuous scaffolding plates, and FIG. (a) is a front view of the scaffolding skirting shown in FIG. 1, (b) is a plan view, (c) is an enlarged view of the part indicated by arrow A in (a), and (d) is (a) It is an enlarged view of the part shown by arrow B. (a) is a perspective view which shows the attachment state of the baseboard seen from the inner side of the scaffold board, (b) is an enlarged view of the part shown by the arrow C of (a) of FIG. (a) is the enlarged view of the part shown by the arrow D of (a) of FIG. 2, (b) is the EE sectional view taken on the line of (a). (a)-(c) is explanatory drawing explaining the method to cancel | release a fall lock and remove a scaffold board.

  A preferred embodiment of the present invention will be described below with reference to the drawings. As shown schematically in FIG. 1 (b) and FIG. 3, the scaffold plate 1 is a cross member of the opposing building frames 2 and 2. The scaffolding skirting board 4 according to the present invention is attached in a standing posture on the side edge of the scaffolding plate 1. At both ends of the scaffold plate 1, hooks F project from the left and right ends, respectively. As shown in FIGS. 3 and 4, the scaffolding skirting board 4 includes an inner wall 5a, an upper wall portion 5b, a lower wall portion 5c, and flanges 5d protruding inward from the upper and lower wall portions 5b and 5c, respectively. Is formed into a substantially C-shaped cross section, and has a baseboard body 5 to which end frame portions 5e having a U-shaped cross section are attached at both ends. The hook F of the scaffold plate 1 is composed of a hook body fa and a drop lock fb.

  A plurality of out guides supported on the outer end surface of the scaffolding plate 1 are provided on the outer surface side of the baseboard body 5 as shown in FIGS. 1 (a), 2 (b) and 4 (b). 6 is fixed so as to protrude from the lower end of the lower flange 5d, and the lower end protruding portion is indicated by 6a. Further, a detachment stopper 7 is provided at the lower end of the skirting board body 5, and a locking bracket 8 is provided at the lower end of the other end.

  As shown in FIGS. 2 and 3, the release stopper 7 has a substantially semicircular locking recess 9 a that is detachably locked to the cross member 3 of the scaffolding frame 2. The metal fitting body 9 attached to the inner surface of the one end, and the metal fitting body 9 is attached to the rear side of the locking recess 9a on the inner side surface of the metal fitting body 9 so as to be movable up and down. It consists of a drop lock 10 that is locked by holding the cross member 3 and unlocked by pulling it up.

  The metal fitting body 9 of the stopper metal fitting 7 is formed of a thick steel plate, and the upper end side is fixed to the inner side surface of the U-shaped end frame portion 5e forming one end portion of the skirting board main body 5 by welding or riveting. Has been. The falling lock 10 is formed of a steel plate thinner than the metal fitting body 9, and has an arcuate inner peripheral portion 10 a having substantially the same diameter as the engagement concave portion 9 a of the metal fitting body 9. At the rear position of 9a, it is attached to the metal fitting body 9 so as to be vertically movable by pins 13 and 14 penetrating through the long holes 11 and 12 provided vertically.

  Further, the dropping lock 10 is integrally extended downward from the upper end portion thereof in a U-shape, and the dropping lock 10 is moved downward with respect to the metal fitting body 9 as shown in FIG. At the same time, a lower end 15o of the distal end is supported on the upper surface of the scaffold plate 1 and a support arm portion 15 is formed between the upper surface of the scaffold plate and a finger insertion portion 16 for unlocking operation.

  Further, as shown in FIG. 2 (d), the locking metal fitting 8 provided at the lower end of the other end of the skirting board body 5 is substantially half which is detachably locked to the cross member 3 of the scaffolding frame 2. It has a circular locking recess 8 a and is attached to the inner surface of the skirting board body 5. As can be seen from FIG. 3 (b), this locking metal fitting 8 is the same as the metal fitting body 9 of the locking metal fitting 7, is formed of a thick steel plate, and the upper end side is one end of the skirting board main body 5. It is fixed to the inner surface of the U-shaped end frame portion 5e forming the portion by welding or riveting.

  As can be seen from FIG. 1 (b), the scaffolding skirting boards 4 and 4 attached to the both side edges of one scaffolding plate 1 are arranged such that the detachment stoppers 7 and the stoppers 8 are opposite to each other. Yes. This is because each scaffolding skirting board 4 has the same structure and the scaffolding skirting board 4 attached to one side edge of the scaffolding board 1 has the same structure on the other side edge. This is because 4 is attached by inverting it horizontally.

  In order to attach the scaffolding skirting board 4 configured as described above to the scaffolding board 1, the baseboard body 5 is lowered from the state of being lifted above the side edge of the scaffolding board 1, and each out guide 6 is moved. While the abutment board 1 is in contact with and supported by the outer end face 1 a, the locking bracket 8 on one end side of the baseboard body 5 is inserted between the end face of the scaffold board 1 and the cross member 3 of the scaffolding frame 2. Then, the locking recess 8a is pressed against the cross member 3 and locked, and the stopper metal fitting 7 on the other end side is left as it is between the cross member 3 of the other scaffold building frame 2 and the end of the scaffold plate 1. If inserted in between, the locking recess 9a of the metal fitting body 9 is locked to the cross member 3, and the lower end portion of the drop lock 10 in the locked state is dropped by its own weight while contacting the peripheral surface of the cross member 3. After being pushed up once, it is dropped and locked, and the cross member 3 is gripped. That is, the locking metal fitting 8 on one end side is inserted between the one horizontal member 3 and the scaffolding plate 1, and the locking metal fitting 7 on the other end side is inserted between the other horizontal member 3 and the scaffolding plate 1. It is easy and easy to install.

  Thereby, the skirting board main body 5 is fixed in the state hold | maintained on the side edge part of the scaffold board 1 in the standing posture, as shown in FIG.4 (b). Further, as can be seen from FIG. 4 (b), with the lower wall portion 5 c of the baseboard body 5 placed on the upper surface of the scaffold plate 1, the lower end protruding portion 6 a of the out guide 6 is formed on the scaffold plate 1. By being in contact with and supported by the outer end face, the baseboard body 5 is held in a standing posture, that is, in a vertical posture.

  In addition, the skirting board main body 5 has a locking recess 8a of the locking bracket 8 on one end side locked to the cross member 3, and a locking recess 9a of the bracket main body 9 of the locking bracket 7 on the other end side. Is locked to the cross member 3 to prevent the baseboard body 5 from moving in the longitudinal direction, and the falling lock 10 of the stopper metal fitting 7 is in a locked state so as to hold the cross member 3. By doing so, the baseboard body 5 is prevented from vertically moving and moving in the width direction, and the baseboard body 5 is prevented from falling. In this way, the skirting board main body 5 is fixed to the standing posture on the side edge of the scaffold board 1.

  FIG. 2 (d) shows the locking state of the locking bracket 8 with respect to the cross member 3, and FIG. 2 (c) shows the state where the bracket body 9 of the locking member 7 is locked to the cross member 3 and the falling lock. 10 shows the locked state. Further, as can be seen from FIG. 2 (c), when the falling lock 10 is moved downward with respect to the metal fitting body 9 to be locked, the lower surface 15o of the tip portion of the downward U-shaped support arm portion 15 is placed on the upper surface of the scaffold plate. Since it is supported and the finger insertion part 16 for unlocking operation which is a space is formed between the support arm part 15 and the upper surface of the scaffolding plate 1, the unlocking operation of the falling lock 10 is facilitated.

  FIG. 5 shows a method of unlocking the falling lock 10 of the locking stopper 7 and removing the scaffolding skirting board 4. When unlocking the falling lock 10, as shown in FIG. When the finger is inserted into the unlocking operation finger insertion portion 16 formed between the upper surface of the scaffolding plate 1 and the support arm portion 15 is lifted obliquely upward as indicated by the arrow in FIG. The falling lock 10 that is in the above position is moved up to the unlocked state. In this way, one end side of the baseboard body 5 with the locking bracket 7 in which the falling lock 10 is unlocked is lifted, and the locking bracket 7 is attached to the cross member 3 of the scaffolding frame 2 and the scaffolding plate 1. After pulling out from between the ends, the other end of the skirting board body 5 with the locking bracket 8 is lifted in a state of being pulled to the end with the locking bracket 7, and the locking bracket 8 is moved to the other side. By pulling out from between the cross member 3 of the scaffold building frame 2 and the end of the scaffold board 1, the scaffolding skirting board 4 can be easily and easily detached from the scaffold board 1.

DESCRIPTION OF SYMBOLS 1 Scaffolding board 2 Scaffolding frame 3 Cross member 4 Scaffolding baseboard 5 Baseboard body 6 Out guide 7 Detachment bracket 8 Locking bracket 9 Bracket body 10 Drop lock

Claims (1)

A baseboard mounted in an upright posture on the side edge portion of the scaffold Kenwaku crosspieces between the multiplied passed scaffolding plate facing the outer surface side of the skirting body, supported by the outer edge surface of the scaffolding plate A plurality of out guides are provided, a detachment bracket is provided at the lower end of the skirting board body, a locking bracket is provided at the lower end of the other end, and the detachment prevention bracket is attached to the transverse member of the scaffolding frame. A metal fitting body having a locking recess that is detachably locked and attached to the inner surface side of the skirting board main body, and an arc-shaped inner peripheral portion having substantially the same diameter as the locking recess of the metal fitting body. consists of a falling lock mounted so as to be vertically movable in its rear position in the inner side of the body, the downward movement of the falling tablet crosspiece by an arc-shaped inner peripheral portion of the falling tablet with the engagement recess of the fitting body It was to become a locked state grip, adapted to unlock by pulling the dropping tablets, locking bracket, Has a locking recess for detachably locking the crosspiece field for Kenwaku mounted on the inner surface of the skirting body,
The locking lock of the locking bracket is integrally extended in a U-shape downward from the upper end to the rear, and when the falling lock is moved downward with respect to the bracket main body, the lower surface of the distal end portion is the scaffolding plate. A scaffolding skirting board provided with a support arm that is supported on the top surface of the base plate and that forms a finger insertion part for unlocking operation between the top surface of the scaffolding plate .

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