JPH0734149U - Connector - Google Patents

Abstract

(57) [Abstract] [Purpose] A connector for connecting a curing sheet placed on a construction site to a support such as a scaffolding support, which can be used for supports with different thicknesses and different thicknesses. Be able to ensure the same bond strength for the columns. [Structure] A band body 3 is integrally provided on a base portion 1 provided with a shaft portion 2 for connecting a curing sheet. The band body 3 has a serrated engagement portion 33 and a coupling mechanism portion 4, and the coupling mechanism portion 4 can be engaged with any portion of the engagement portion 33 of the band body 3 only in the pulling-out direction of the band body 3. The engaging claw 46 is provided. By making the band body 3 long, it becomes possible to deal with the columns B having different thicknesses.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 INDUSTRIAL APPLICABILITY The present invention connects a support sheet and a support sheet such as a curing sheet, a protection net, or a panel used for scaffolding for construction and civil engineering, and connects two adjacent support sheets to each other. The invention relates to a connector used for the purpose of further connecting them to a column.

[0002]

[Prior art]

 Conventionally, when connecting the above-mentioned sheet-like body such as a curing sheet or a curing net to a vertical column, it is necessary to tie wires or strings such as binding wires that are passed through the eyelet fittings of sheets or wound around the column. It was performed (conventional example), and most of the work relied on manual work. Similar work was performed when connecting the panels used for temporary enclosures of scaffolds to the columns, and when connecting the curing sheets used in the ground improvement method to the columns.

[0003]

[Problems to be solved by the device]

 However, the above-mentioned manual connection work is not only troublesome and poor in workability, but also the knots may be loosened or unraveled afterwards, resulting in poor reliability. There was a problem that it became unsightly.

Therefore, the applicant of the present application has previously proposed a connector that can solve the above problems. The use state of this connecting tool (connecting tool of the comparative example) A is illustrated in FIG. The connecting tool A shown in the figure is used to connect the planar bodies to each other, for example, the two panels P1 and P2 arranged side by side, and to connect the panels P1 and P2 to the vertical support B. Has been. That is, a pair of left and right shaft portions 71, 71 provided at both ends of the base portion 7 at predetermined intervals are inserted into the hole portions 300, 300 formed in advance in the respective panels P1, P2, and the shaft portions are formed. 71, 71 are hinged to each other through the hinges 72, 72 so that the free ends 74, 74 of the hooking protrusions 73, 73 face the hole edges of the panels P1, P2. Panels P1 and P2 are connected. In addition, the base 7 is provided with a pair of left and right arc-shaped engaging pieces 83, 84 each of which is provided with serrated engaging portions 81, 82, respectively. The other engaging piece 84 is held in the circumferentially long recess 85 provided in the one engaging piece 83, and the other engaging piece 84 is inserted in the depth direction (arrow D) of the recess 85, and their engaging portions 81, 82 are engaged with each other.

When such a connecting tool A is used, the connecting work can be performed quickly and surely without using wires or strings, so that the workability is improved as compared with the conventional example, and compared with the conventional example. After that, the connection reliability will increase and the scenery will not become unsightly.

However, the connector A described with reference to FIG. 6 has a structure in which the support B is held by the pair of left and right arcuate engagement pieces 83 and 84, and the recess 85 of one engagement piece 83 is provided. Since the other engaging piece 84 is inserted in the depth direction (arrow D) of the recess 85, the range of the diameter dimension (thickness) of the column B that can be used is limited to a narrow range. In the case of the pillar B having a different thickness, the insertion margin of the other engaging piece 84 with respect to the recess 85 of the one engaging piece 83 is changed so that the length of the engaging portion between the engaging portions 81 and 82 is changed. Since there is a difference, it has been found that there is a problem that the engagement strength of the engaging portions 81 and 82 of both engaging pieces 83 and 84 (that is, the coupling strength to the supporting pillar) is not uniform depending on the thickness of the supporting pillar B. Was done.

The present invention has been made in view of the above problems, and not only can ensure the connection workability and the scenery of the use place which are the same as those of the conventional connecting tool described in FIG. It has general versatility so that it can be used for struts with various thicknesses compared to the connecting tool as an example, and even if the struts have different thicknesses, the coupling strength to the stanchions is uniform and the connection reliability is high. The object is to provide a connector that can improve

[0008]

[Means for Solving the Problems]

 In the connecting device according to the first aspect of the present invention, the base portion is integrally provided with a shaft portion which is inserted into the hole portion on the side of the planar body such as the curing sheet, and the shaft portion is provided with the latching projection through the hinge portion. The hinge is provided with an elastic force in the direction that causes the latching protrusion to project from the side of the shaft, and the hinge extends over a certain range in the longitudinal direction. A long band body made of a flexible material having a serrated engagement portion is provided at one end with a coupling mechanism section having an insertion section into which the band body can be inserted. The inner surface of the portion is provided with an engaging claw that can be engaged with an arbitrary portion of the engaging portion of the band body only in the pulling-out direction of the band body inserted into the inserting portion, and the predetermined portion of the band body is located at the base portion. It is said that they are integrally connected to each other.

According to a second aspect of the present invention, in the connecting tool according to the first aspect, a pair of shaft portions having hooking protrusions are provided at a base portion at predetermined intervals, and the band body is connected to the connecting device. The central axis of the loop formed by inserting it into the insertion portion of the structural portion extends in a direction orthogonal or substantially orthogonal to the facing direction of the pair of shaft portions.

[0010]

[Action]

 In the connector according to the invention as set forth in claim 1, when the shaft portion is inserted into the hole portion of the planar body such as the hole portion of the eyelet fitting provided on the curing sheet, the elastic force provided in the hinge portion is provided. The latching protrusion protruding from the side surface of the shaft part is pushed by the hole edge part of the hole part and displaced with the hinge part as a fulcrum, and after returning through the hole part, it is restored by the elastic force of the hinge part. The shaft portion faces the hole edge portion and prevents the shaft portion from coming out of the hole portion. On the other hand, when the band body wound around the column is inserted into the insertion part of the coupling mechanism part, the engagement claw of the insertion part engages with an arbitrary position of the serrated engagement part provided in the band body, and And the connection mechanism part are connected. In addition, the band body is tightly wound around the column by pulling the tip end side portion of the band body that is inserted into the insertion portion of the connection mechanism portion and protrudes from the insertion portion.

In the connector according to the second aspect of the present invention, when the pair of shaft portions are individually inserted into the respective hole portions of the two adjacent planar members, the hooking protrusions of the respective shaft portions are as described above. To face the hole edge of each separate hole to prevent the shaft from slipping out of each hole. As a result, the two planar bodies are connected to each other via the connecting tool.

[0012]

【Example】

 FIG. 1 is a side view of a connector A according to an embodiment of the present invention when it is connected to a curing net, FIG. 2 is a plan view of the connector A, and FIG. 3 is an enlarged sectional view of a main part of FIG. 4 is an enlarged plan view of the connector A according to the embodiment of the present invention at the stage of being connected to the support column, and FIG. 5 is a view on arrow V of FIG.

As shown in FIGS. 1 and 2, the connector A includes a pair of shaft portions 2 and 2 integrally provided on the base portion 1 with a predetermined gap, a long band body 3, and a band body 3. And a coupling mechanism portion 4 integrally provided at one end of the band body 3, and a longitudinal intermediate portion of the band body 3 is integrally connected to the base portion 1. Reference numeral 31 denotes a continuous location of the band body 3 with respect to the base 1. The connector A is integrally molded of synthetic resin.

As shown in detail in FIG. 3, in the shaft portion 2, a hooking protrusion 6 extending from the tip end portion of the shaft portion 2 toward the base end portion side is provided with the hinge portion 61 via the hinge portion 61. It is provided in a cantilever shape so as to be able to move in and out with respect to the second side surface 21 (see FIG. 1). The latching projection 6 is constantly urged in a direction projecting from the side surface 21 of the shaft portion 2 by an elastic force peculiar to the synthetic resin provided in the hinge portion 61. As shown in FIG. 3, the latching protrusion 6 of the illustrated example has a substantially right-angled triangular cross section, and when the latching protrusion 7 projects from the side surface 21 of the shaft portion 2, the end face 62 of the latching protrusion 7 is It is substantially perpendicular to the axis 60 of the shaft portion 6. Reference numeral 22 is a die-cutting hole provided in the shaft portion 2, and the latching projection 7 can be retracted into the die-cutting hole 22 against the elasticity of the hinge portion 61.

The band body 3 has flexibility peculiar to synthetic resin, and the tip 32 thereof is tapered. Further, a serrated engagement portion 33 is provided over a certain range of the longitudinal intermediate portion on the inner surface side of the band body 3, and further, the inner and outer surfaces on the tip side of the engagement portion 33 are uneven. It is a surface 34. Reference numeral 33a is a sawtooth portion of the engaging portion 33.

As shown in FIGS. 4 and 5, the connecting mechanism portion 4 includes a seat portion 41 formed by thickening one end portion of the band body 3 and a whole longitudinal direction (arrow a) of the seat portion 41. Over the entire width direction of the seat 41, a projecting piece 42, a retainer piece 43 provided on the projecting piece 42 and facing the seat 41, and a retainer piece 43. Has a rib portion 44 which is provided on the other end side in the width direction and faces the projecting piece portion 42, and also has the seat portion 41, the projecting piece portion 42, the pressing piece portion 43, and the rib portion 44. A portion surrounded by is a groove-shaped insertion portion 45, and a large number of engaging claws 46 ... Sawtooth-shaped are integrally provided on the inner surface of the insertion portion 45, specifically, the surface of the seat portion 41. Has been. When the band body 3 is inserted into the insertion portion 45, the band body 3 forms a loop as shown in FIG. 4, and the center axis of the loop is orthogonal to the facing direction of the pair of shaft portions 2 and 2. Direction or substantially orthogonal direction. Note that the facing distance H between the seat portion 41 and the pressing portion 43 is set so that the engaging portion 33 of the band body 3 and the engaging claws 46 always mesh when the band body 3 is inserted into the inserting portion 45. Has been.

Next, a case where the two curing sheets S1 and S2 are connected to the support B by using the connecting tool A will be described. The curing sheets S1 and S2 are provided with holes 100 and 200 by eyelet fittings. The pillar B is made of pipe material.

Regarding the connection between the curing sheets S1 and S2, as shown in FIGS. 1 and 2, the shaft portions 2 and 2 are respectively inserted into the hole portions 100 and 200 of the respective curing sheets S1 and S2, and the hooking sheets S1 and S2 are hooked. The end surfaces 62, 62 of the stopper projections 6, 6 face the hole edge portions as shown in FIGS. 1 and 3, and prevent the shaft portions 2, 2 from coming out of the hole portions 100, 200. As a result, the two curing sheets S1 and S2 are connected to each other by the shaft portions 2 and 2 and the base portion 5. The action of the hooking protrusion 6 when inserting the shaft portions 2 and 2 into the hole portions 100 and 200 is the same as that described in the comparative example in FIG. 6, and therefore detailed description thereof is omitted here. It should be noted that the shaft portion 2 can be pulled out from the hole portions 100 and 200 by pressing the hooking protrusion 6 with a finger and pushing it into the die-cutting hole 22. In FIG. 3, an imaginary line shows a state in which the hooking protrusion 6 is pushed by the hole edge portion of the hole portion 100 of the eyelet fitting F and displaced with the hinge portion 61 as a fulcrum, while the shaft portion is being inserted.

When connecting the two curing sheets S1 and S2 to the support B, the band body 3 wound around the support B is inserted into the insertion portion 45 of the connection mechanism unit 4 as shown in FIG. The band member 3 and the connecting mechanism portion 4 are connected to each other by engaging the engaging claw 46 of the inserting portion 45 with an arbitrary portion of the engaging portion 33. As a result, even if the band body 3 is pulled out, the engaging portion 33 of the band body 3 meshes with the engaging claw 46 and the pulling out is prevented. The engaging claw 46 can be engaged with the engaging portion 33 of the band body 3 only in the pull-out direction of the band body 3, so that the engaging claw 46 is inserted into the inserting portion 45 of the coupling mechanism portion 4 and protrudes from the inserting portion 45. The band body 3 is tightly wrapped around the support B by pulling the tip side portion of the band body 3 that has come out.

In this embodiment, since the tip side portion of the band body 3 has the uneven surface 34, it is necessary to grasp the tip side portion of the band body 3 by hand so as not to slip and to pull it strongly as indicated by the arrow b. You can

In the above, by increasing the length of the band body 3 and the range in which the serrated engagement portion 33 is provided, the band body 3 can be used for columns B having various thicknesses, and columns having different thicknesses can be used. Even when it is used, since the number of meshing teeth of the engaging portion 33 and the engaging claw 46 is the same, the coupling strength to the support column B becomes uniform.

In this embodiment, the base 1 is provided with the pair of shafts 2 and 2, but it is also possible to provide the base 1 with one shaft, and such a connector is used for the curing sheet. It is possible to connect such a sheet and the support. Further, although a large number of engaging claws 46 are provided in the embodiment, the number of the engaging claws 46 may be one or may be two or more. The connecting tool A of the present invention can be used not only for connecting a curing sheet, but also for connecting a support net, a panel, and various other sheet-like members to a column.

[0023]

[Effect of device]

 According to the invention as set forth in claim 1, by simply inserting the shaft portion into the hole portion of the planar body and winding the band body around the column and inserting the band body into the insertion portion of the coupling mechanism portion, Since it can be connected to the pillar, the workability of connection and the landscape of the use place can be secured in the same manner as in the connecting tool described as the comparative example. In addition, the length of the band body and the range in which the serrated engagement portion is provided can be lengthened, so that not only can it be used for columns with various thicknesses, Even if it is used for columns having different thicknesses, the coupling strength to the columns becomes uniform, and the versatility and connection reliability are improved compared to the coupling device described as a comparative example, which is an excellent effect. Furthermore, by increasing the length of the band body and the range in which the saw-tooth-shaped engaging portion is provided, it is possible to connect the column and the planar body even if they are separated from each other.

According to the second aspect of the present invention, it is possible to reliably connect the two adjacent sheet bodies with each other with good workability, and also to connect the sheet sheets and the support columns. .

[Brief description of drawings]

FIG. 1 is a side view of a connector according to an embodiment of the present invention when it is connected to a curing net.

FIG. 2 is a plan view of the connector.

FIG. 3 is an enlarged cross-sectional view of a main part of FIG.

FIG. 4 is an enlarged plan view of a connector according to an embodiment of the present invention when the connector is connected to a support column.

FIG. 5 is a view on arrow V in FIG.

FIG. 6 is a plan view showing a usage state of a connector as a comparative example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Base part 2 Shaft part 3 Band body 4 Connection mechanism part 6 Latching protrusion 21 Side surface of shaft part 33 Engagement part 45 Insertion part 46 Engaging claw 61 Hinge part 100,200 Hole part S1, S2 Curing sheet (planar body)

Claims (2)

[Scope of utility model registration request] 1. A shaft portion which is inserted into a hole on the side of a planar body such as a curing sheet is integrally provided on a base portion, and a latching protrusion is projected to a side surface of the shaft portion through a hinge portion on the shaft portion. In addition to being provided in a cantilever shape that can be retracted, the hinge portion is provided with an elastic force in a direction to cause the latching protrusion to protrude from the side surface of the shaft portion, and the engagement is serrated over a certain range in the longitudinal direction. The coupling mechanism portion having an insertion portion into which the band body can be inserted is connected to one end of a long band body made of a flexible material provided with the insertion portion, and the insertion portion is formed on the inner surface of the insertion portion in the coupling mechanism portion. Provided with engaging claws that can be engaged at any position of the engaging portion of the band body only in the pull-out direction of the band body inserted into
A connector, wherein a predetermined part of the band body is integrally connected to the base part. 2. A base is provided with a pair of shaft portions having hooking protrusions at predetermined intervals, and a central axis of a loop formed by inserting a band body into an insertion portion of a coupling mechanism portion is formed. The connector according to claim 1, wherein the connector extends in a direction orthogonal or substantially orthogonal to the facing direction of the pair of shaft portions.