JP5508345B2 - Fitting - Google Patents

Description

  The present invention relates to a fixture, and more particularly to a fixture for connecting a scaffold to a steel frame or the like when building a steel structure.

  When constructing a steel building, there is one disclosed in Patent Document 1 as one form of a fixture for connecting a scaffold to a steel frame or the like. In other words, the fixture disclosed in Patent Document 1 includes an engagement clamp on a support having a U-shaped cross section that extends straight in one direction. The engaging and sandwiching body is arranged so as to be slidable on the other end side of the support and fixed side engaging and sandwiching piece fixed to one end side of the support body, and opposed to the fixed side engaging sandwiching piece. And a movable engagement pinching piece that can be moved toward and away from each other. Further, a rod-like male screw body for adjusting the slide position of the movable side engaging and holding piece is disposed in the support body, and the movable side engaging and holding piece is interlocked and connected to the middle part of the male screw body. . The operating body for rotating the male screw body is formed in a hexagonal cylindrical shape and has a female threaded portion for connection on the inner peripheral surface to hold one side end of the male screw body, that is, the fixed side engaging clamp Coaxially connected to one side.

  With this configuration, for example, the lower flange of the H steel beam is clamped by the engagement clamp body, and one side end of the connection body is screwed and connected to the female thread portion of the operating body, The other end portion of the connecting body can be connected to a pipe which is a constituent member of the scaffold. At this time, the engaging and clamping body engages the fixed-side engaging and clamping piece with one side edge of the lower flange of the H steel beam, and rotates the operating body to rotate the male screw body around its axis. The movable side engaging and holding piece is engaged with the other side edge portion of the flange, thereby holding the lower flange of the H steel beam.

  Moreover, there exists what was disclosed by patent document 2 as one form of the fixture for connecting a scaffold to the standing wall part of the veranda of a building. That is, the fixture disclosed in Patent Document 2 includes a horizontal member, a short vertical member that hangs downward from one end of the horizontal member, and a long vertical that hangs downward from the other end of the horizontal member. The fixture body is formed from the members, the outer surface side abutting bodies are attached to the upper and lower portions of the inner side surface of the long vertical member, and the pipes which are the constituent members of the scaffold are connected to the upper and lower portions of the outer side surface of the long vertical member. On the other hand, an advancing / retracting means for advancing and retracting the inner surface side abutting body is provided on the short vertical member.

  With this configuration, the fixture body is placed on the rising wall of the veranda, and the advancing / retracting means is tightened so that the abutting body on the inner surface of the advancing / retracting means contacts the inner surface of the rising wall. At the same time, the outer surface side abutment body of the upper and lower portions is brought into contact with the outer surface of the rising wall portion, the fixture body is fixed at three points, and the clamp is connected to the pipe which is a constituent member of the scaffold. Yes.

JP-A-2003-343083 JP-A-8-240009

  However, in the above-described fixtures, there is a need to prepare two types of fixtures to be attached to the H steel beam and separate fixtures to be attached to the rising wall portion of the veranda, and use them separately. Moreover, in the fixture disclosed in Patent Document 2, since the advancing / retracting means is provided on the inner side of the veranda that is opposite to the scaffolding side with the rising wall portion in between, the worker is required to move from the scaffolding side each time. There is a problem that it is necessary to move to the inside of the veranda and to operate the forward / backward tightening means from the inside of the veranda.

  Therefore, the present invention provides a fixture that can be attached to an H steel beam or can be attached to a rising wall portion of a veranda and can be easily attached from the scaffold side. For the purpose.

  The invention according to the first aspect of the present invention is a mounting tool in which an engagement sandwiching body and a press-contacting sandwiching body are offset by 180 degrees on a support body that extends straight in one direction. A fixed engagement pinching piece fixed to one side end of the support, and a slidably attached to the other end of the support via a slide body, approaching the fixed engagement pinching piece A movable-side engaging and holding piece that is separable, and the pressure-contacting holding body includes a fixed-side pressure-contacting holding piece fixed to one end side of the support body and the slide body on the other side end side of the support body. A movable-side pressure-contacting clamping piece that is slidably attached to the fixed-side engagement clamping piece and is movable toward and away from the fixed-side engagement clamping piece, and a slide for adjusting the slide position of the slide body in the support body A position adjustment mechanism is provided, and an operating body that operates the slide position adjustment mechanism is arranged on the other end side of the support. And, the operating body, characterized in that a connecting body.

  In such a fixture, the lower flange of the H steel beam can be attached to the H steel beam by sandwiching it with the engagement sandwiching body, and the rising wall portion can be secured by sandwiching the rising wall portion of the veranda with the press sandwiching body. Can be attached to.

  In other words, the engaging sandwiching body engages the fixed-side engaging sandwiching piece with one side edge of the lower flange of the H steel beam and slides the operating body through the slide position adjusting mechanism by rotating the operating body. By adjusting the slide position of the body, the lower side flange of the H steel beam can be held by engaging the movable side engaging and holding piece with the other side edge of the flange. At this time, since the operating body for operating the slide position adjusting mechanism is arranged on the other end side of the support body, that is, on the movable side engaging / holding piece side, and the operating body is provided with a connecting body, The operating body can be operated on the side, and the connecting body can be connected to the constituent members of the scaffold.

  In addition, the press-clamping body has a fixed-side press-contacting clamping piece arranged inside the rising wall portion of the veranda, and a movable-side pressing-contacting clamping piece arranged outside the rising wall portion, and the operating body is rotated to slide. By adjusting the slide position of the slide body via the position adjusting mechanism, the movable side pressure-contacting clamping piece can be pressed against the outside of the rising wall portion. As a result, the rising wall portion can be clamped by pressing the both pressing and clamping pieces on the inner and outer sides of the rising wall portion. At this time, as described above, the operating body for operating the slide position adjusting mechanism is disposed on the other side end side of the support body, that is, the movable side press-contacting and clamping piece side, and the operating body is provided with the connecting body. The operator can operate the operating body on the scaffold side, and can connect the connecting body to the constituent members of the scaffold.

  The invention related to the fixture of claim 2 is the fixture of claim 1, characterized in that a second coupling body is provided on the movable side engaging and clamping piece.

  In such a fixture, the structural member of the scaffold can be connected to either the first connecting body provided on the operating body or the second connecting body provided on the movable side engagement holding piece via the connecting tool. . That is, it is possible to select the first or second connecting body according to the interval between the structural member of the scaffold and the mounting tool, and to connect the connecting tool to any one of the connecting bodies. Therefore, it is possible to reduce the trouble of adjusting the expansion / contraction length of the connector one by one.

  The present invention has the following effects. That is, according to the present invention, one fixture can be attached to the H steel beam, or can be attached to the rising wall portion of the veranda. Moreover, such a fixture can be easily and firmly attached from the scaffold side.

Cross-sectional front explanatory drawing of the fixture which concerns on this embodiment. Explanatory drawing of the left side of the fixture which concerns on this embodiment. Explanatory drawing of the right side of the fixture which concerns on this embodiment. Plane explanatory drawing of the fixture which concerns on this embodiment. The bottom explanatory view of the fixture concerning this embodiment. Use state explanatory drawing to H steel beam. The use condition explanatory drawing to a standing wall part.

  Embodiments of the present invention will be described below in detail with reference to the drawings. That is, 1 shown in FIGS. 1 to 5 is a fixture of the present embodiment, and the fixture 1 is formed of a metal material such as stainless steel and is directly in one direction (left and right in this embodiment). On the upper and lower portions of the support body 10 extending in a shape, the engagement sandwiching body 20 and the press-contacting sandwiching body 60 are offset 180 degrees from each other.

  The support body 10 is formed in a left and right side portal structure from a belt-like ceiling surface portion 11 extending in the left-right direction and front and rear surface portions 12 and 13 respectively suspended from front and rear end edges of the ceiling surface portion 11. . That is, the support 10 is open on the left and right sides and below.

  The engagement sandwiching body 20 includes a fixed-side engagement sandwiching piece 30 fixed to one side end side (the right end side in this embodiment) of the support body 10 and the other side end side (in this embodiment) of the support body 10. A movable side engaging and holding piece 50 is slidably attached to the left end portion side via a slide body 40.

  The fixed engagement pinching piece 30 is formed of a rectangular plate-shaped fixed connection piece 31 and front and rear fixed engagement pieces 32 and 33 formed by rising from the front and rear side edges of the fixed connection piece 31. And formed from. The outer end faces (right end faces) 34, 35 of the front and rear fixed engagement pieces 32, 33 are formed in an arcuate shape, while the inner end faces (left end faces) 36, 37 are inclined to the left high, right and low. There is a face to face. And the fixed side connection piece 31 is continuously provided in the superposition | polymerization state in the one side edge part of the ceiling surface part 11 of the support body 10. As shown in FIG.

  The slide body 40 is formed in the shape of a rectangular tube that is slidably fitted to the support body 10 in the axial direction (extension direction). That is, the slide body 40 is formed by a rectangular plate-shaped slide ceiling surface portion 41 and a slide bottom surface portion 42 facing in the vertical direction, and a square plate-shaped slide front surface portion 43 and a slide rear surface portion 44 facing in the front-rear direction. Yes.

  The movable side engaging and holding piece 50 is formed of a rectangular plate-like movable side connecting piece 51 and front and rear movable side engaging pieces 52 and 53 formed by rising from the front and rear side edges of the movable side connecting piece 51, respectively. And formed from. The outer end surfaces (left end surfaces) 54 and 55 of the front and rear movable side engaging pieces 52 and 53 are formed to be curved in an arc shape, while the inner end surfaces (right end surfaces) 56 and 57 are inclined to the right high left low. There is a face to face. And the movable side connection piece 51 is connected to the slide ceiling surface part 41 of the slide body 40 in the superposition | polymerization state. In other words, the movable side engaging / holding piece 50 can be slidably moved on the support body 10 integrally with the slide body 40, so that the movable side engaging / holding piece 50 can be moved toward and away from the fixed side engaging / holding piece 30. Yes.

  The pressing and clamping body 60 includes a fixed-side pressing and clamping piece 70 fixed to one side portion (right side portion in the present embodiment) of the support body 10 and the other side portion (left end portion in the present embodiment) of the support body 10. A movable side pressure contact clamping piece 80 slidably attached via a slide body 40 is provided.

  The fixed-side pressure-contact clamping piece 70 has a front-rear width that can be fitted into the support 10 from below, and is formed in a rectangular cylinder shape that extends straight in the vertical direction. That is, the fixed-side press-contacting clamping piece 70 includes a belt-like fixed-side front surface portion 71 and a fixed-side rear surface portion 72 facing in the front-rear direction, and a belt-shaped fixed-side left surface portion 73 and a fixed-side right surface portion 74 facing in the left-right direction. Forming. And the upper end part of the fixed side press-contacting clamping piece 70 is inserted in the one side part of the support body 10 from the downward direction, and is connected in the orthogonal state. In other words, the fixed-side press-contacting and clamping piece 70 is hanged downward on one side of the support 10. Reference numeral 75 denotes a right pressing surface portion that is provided continuously to the lower half portion of the fixed-side left surface portion 73, and is formed of an elastic rubber material.

  The movable-side pressure contact clamping piece 80 is formed in substantially the same shape as the above-described fixed-side pressure contact clamping piece 70, and the upper end surface is connected to the slide bottom surface portion 42 of the slide body 40. In other words, the movable-side pressure-contacting clamping piece 80 is suspended downward from the slide body 40 so that the movable-side pressure-contacting clamping piece 80 can be slidably moved on the support body 10 integrally with the slide body 40. It can be approached and separated in the facing state. Further, the movable-side press-contacting clamping piece 80 includes a strip-shaped movable front surface 81 and a movable rear surface 82 facing in the front-rear direction, and a strip-shaped movable left surface 83 and a movable right surface 84 facing in the left-right direction. Forming. Reference numeral 85 denotes a left pressing surface portion provided continuously with the lower half portion of the movable right surface portion 84, and is formed of an elastic rubber material.

  Here, the left pressing surface portion 85 and the right pressing surface portion 75 facing each other in the left-right direction are formed in substantially the same shape to maintain a substantially constant thickness, and the movable-side right surface portion 84 and the fixed-side left surface portion 73 The interval W1 is wider than the interval W2 between the pressing surface portions 85 and 75. By forming in this way, the upper projecting portions 150 and 150 (see FIG. 7) of the object sandwiched by the movable right surface portion 84 and the fixed left surface portion 73 via the left pressing surface portion 85 and the right pressing surface portion 75 and the movable side Interference with the right surface portion 84 and / or the fixed-side left surface portion 73 is avoided.

  A slide position adjustment mechanism 90 for adjusting the slide position of the slide body 40 is disposed in the support body 10. As shown in FIG. 1, the slide position adjusting mechanism 90 is formed with through holes 76 and 77 penetrating in the left-right direction in the upper part of the fixed-side left surface portion 73 and the fixed-side right surface portion 74 of the fixed-side pressure contact clamping piece 70. Yes. The right end portion 92 of the rod-like male screw body 91 extending in the left-right direction is passed through both the through holes 76 and 77. A locking female screw body 93 having a hexagonal cylindrical shape and having a female screw portion on the inner peripheral surface thereof is screwed to the right end portion 92 and continuously provided, and the locking female screw body 93 is fixed to the fixed-side right surface portion 74. The left end face can be locked. That is, the movement (sliding) of the rod-shaped male screw body 91 to the right side is restricted via the locking female screw body 93. The left end 94 of the rod-shaped male screw body 91 protrudes from the support 10 to the left, and an operating body 95 having a hexagonal cylindrical shape and having an internal thread on the inner peripheral surface is screwed to the left end 94. Has been established. Reference numeral 96 denotes a regulating piece which is horizontally mounted with the axis line in the front-rear direction between the front and rear surface portions 12 and 13 of the support 10 on the right side of the locking female screw body 93, and the rod-shaped male screw body 91 is moved to the right side. The movement is restricted.

  Then, a sliding female screw body 98 having a hexagonal cylindrical shape and a female screw portion on the inner peripheral surface is screwed into the middle portion of the rod-shaped male screw body 91, and the forward rotation a of the rod-shaped male screw body 91 (this embodiment). The slide female screw body 98 slides to the left side b in conjunction with the left rotation), while the slide female screw body 91 interlocks with the reverse rotation c of the rod-shaped male screw body 91 (right rotation in the present embodiment). 98 slides to the right side d. The slide female screw body 98 is integrally connected to the inner surface of the slide bottom surface portion 42 of the slide body 40. That is, the slide body 40 slides in the left-right direction integrally with the slide female screw body 98 in conjunction with the forward / reverse rotation operation of the rod-shaped male screw body 91. On the lower surface of the slide bottom surface portion 42, a slide body fixing female screw portion 99 is opened in a vertical direction so as to communicate with each other. A slide body fixing male screw portion 100 which is a bolt with an adjustment knob is detachably screwed to the slide body fixing female screw portion 99. The slide body fixing male screw portion 100 is screwed into the slide body fixing female screw portion 99 in a direction of advancing upward, and the tip end portion is pressed against the peripheral surface of the rod-like male screw body 91, whereby the rod-like male screw portion 100 is pressed. The slide body 40 can be fixed to the screw body 91. Further, the slide body fixing male screw portion 100 is screwed in the downward retreating direction from the slide body fixing female screw portion 99 and the tip portion is separated from the peripheral surface of the rod-like male screw body 91, so that the rod-like male screw portion 100 is separated. The slide body 40 can be released from the screw body 91. Reference numeral 101 denotes an operation knob piece.

  The left side portion of the female thread portion formed on the inner peripheral surface of the operating body 95 is a first connecting body 110, and a connecting tool 120 (see FIGS. 6 and 7) such as a wall joint is attached to and detached from the connecting body 110. It can be freely screwed and connected. Further, between the front and rear movable side engaging pieces 52 and 53 of the movable side engaging and holding piece 50 described above, a second connecting body 130 having a hexagonal cylindrical shape and a female thread portion on the inner peripheral surface is provided in the left-right direction. The opening is arranged. Further, the connector 120 is also detachably screwed to the second connector 130 so as to be connectable. That is, the connector 120 can be appropriately connected to either the first or second connector 110, 130.

  As shown in FIGS. 6 and 7, the connector 120 includes a connector main body 121 that is adjustable in a turnbuckle manner, and one end of the connector main body 121 (the right end in the present embodiment). The formed male screw piece 122 for connection and the other end portion (left end portion in the present embodiment) of the connector main body 121 are attached to a clamp portion 123. The connecting male screw piece 122 can be detachably screwed into the female screw portions of the first or second connecting members 110 and 130. The clamp part 123 can be detachably connected to a pipe 124 or the like which is a constituent member of the scaffold.

  Next, the usage pattern of the fixture 1 configured as described above will be described with reference to FIGS. 6 and 7. That is, as shown in FIG. 6, when assembling a scaffold on the outer periphery of a reinforcing steel structure of a steel building, the lower flange 141 of the H steel beam 140 is clamped by the engagement clamp 20 so that the H steel beam The attachment 1 can be easily and firmly attached to 140. 142 is an upper flange, and 143 is a web. At this time, the engagement clamping body 20 engages the fixed-side engagement clamping piece 30 with one side edge portion of the lower flange 141 of the H steel beam 140 and the operation body 95 with an appropriate rotating tool (FIG. The slide body 40 is slid using the rod-shaped male screw body 91 to adjust the slide position. Then, the slide body fixing male screw portion 100 is screwed into the slide body fixing female screw portion 99 in the direction of advancement to the slide body fixing female screw portion 99, and the tip portion is pressed against the peripheral surface of the rod-like male screw body 91. By doing so, the slide body 40 is fixed to the rod-shaped male screw body 91. By doing so, the lower side flange 141 of the H steel beam 140 can be held by engaging the movable side engaging and holding piece 50 with the other side edge of the flange 141. At this time, the operating body 95 for operating the rod-shaped male screw body 91 is disposed on the movable side engaging / holding piece 50 side of the support body 10, and the operating body 95 is provided with the first coupling body 110. On the side of the scaffold, the operator can operate the operating body 95, and the male thread piece 122 for coupling of the coupling tool 120 is screwed and coupled to the female thread portion of the coupling body 110. The clamp part 123 of the connector 120 can be connected to a certain pipe 124.

  Here, since the support body 10 is formed in a side view portal shape and the upper surface is closed by the ceiling surface portion 11, dust, dust, and the like accumulate on the rod-shaped male screw body 91 from the lower flange 141 and the like of the H steel beam 140. Thus, it is possible to prevent the occurrence of a problem that hinders the slide movement of the slide body 40. In other words, the slide movement performance of the slide body 40 can be ensured satisfactorily.

  Moreover, as shown in FIG. 7, the upper part of the rising wall part Wa of the veranda which is a part of a building is clamped by the press-contacting clamping body 60, so that the fixture 1 can be easily and firmly attached to the rising wall part Wa. it can. At this time, the press-clamping body 60 has a fixed-side press-contacting / clamping piece 70 disposed inside the rising wall portion Wa of the veranda, and a movable-side press-contacting / clamping piece 80 disposed outside the rising wall portion Wa. The movable-side pressure-contacting / clamping piece 80 can be brought into pressure contact with the outside of the rising wall portion Wa by adjusting the slide position of the slide body 40 via the rod-shaped male screw body 91 by rotating the. As a result, the upper portion of the rising wall portion Wa can be held by pressing the pressure-contacting clamping pieces 70 and 80 on the inner and outer sides of the rising wall portion Wa. As described above, the operating body 95 for operating the rod-shaped male screw body 91 is disposed on the movable-side press-contacting and clamping piece 80 side of the support body 10, and the operating body 95 is provided with the first connecting body 110. Therefore, the operator can operate the operating body 95 on the side of the scaffold, and the male thread 122 for coupling of the coupling tool 120 is screwed and coupled to the female thread portion of the coupling body 110, while the scaffold The clamp part 123 of the connector 120 can be connected to the pipe 124 which is a constituent member.

  The connecting tool 120 can also be connected by screwing the connecting male screw piece 122 to the second connecting body 130. Therefore, in the fixture 1, the first structural member 110 provided on the operation body and the second structural body 130 provided on the movable side engagement holding piece 50 are connected to the scaffold component member via the connection tool 120. Can be connected. In other words, the first connecting body 110 or the second connecting body 130 is selected according to the distance between the scaffold component and the fixture, and the connecting tool 120 is connected to any of the connecting bodies 110 or 130. be able to. Therefore, it is possible to reduce the trouble of adjusting the extension / contraction length of the connector 120 one by one. In addition, when removing the fixture 1, it can remove simply by following the above-mentioned attachment procedure reversely.

DESCRIPTION OF SYMBOLS 1 Attachment 10 Support body 20 Engagement clamping body 30 Fixed side engagement clamping piece 40 Slide body 50 Movable side engagement clamping piece 60 Pressure contact clamping body 70 Fixed side pressure contact clamping piece 80 Movable side pressure contact clamping piece 90 Slide position adjustment mechanism 100 Male screw part 110 for fixing a slide body 110 1st connection body 120 connection tool 130 2nd connection body

Claims (2)

A fixture provided with a support body extending in a straight line in one direction, with the engagement clamp body and the press-contact clamp body offset by 180 degrees,
The engagement sandwiching body is fixedly attached to one side end of the support body, and is fixedly slidably attached to the other end side of the support body via the slide body. A movable engagement pinching piece that is opposed to and can be separated and separated,
The press-clamping body is fixedly attached to one side end of the support body and fixedly attached to the other side end of the support body via the slide body so as to be slidable and opposed to the fixed-side engagement clamp piece. And a movable side pressure contact clamping piece that can be approached and separated freely,
In the support body, a slide position adjusting mechanism for adjusting the slide position of the slide body is provided, and an operating body for operating the slide position adjusting mechanism is disposed on the other end side of the support body. A fixture characterized by providing.   The fixture according to claim 1, wherein the movable coupling pinching piece is provided with a second coupling body.

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