Cone bar fitting body, cone bar, and road cone / cone bar assembly set

Abstract

To provide a cone bar capable of easily and reliably removing an annular fitting body fitted from a cone upper part of a road cone.SOLUTION: A fitting body 20B includes an annular part 30B that is fitted to a cone upper part of the road cone, and a grip part 40B in which an attachment part 45B for attachment to a bar body 11B is internally provided. The annular part 30B is configured to be divided in a line symmetrical shape in the axial direction of the bar body 11B. Each annular portion 32B constituting the annular part 30B is bendable (rotatable) in the vertical direction with respect to the grip part 40B, and the annular portion 32B can be restored after bending by a coil spring 33B.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to a cone bar that is installed between road cones (so-called color cones: registered trademark). [Background technology]

[0002] Although road cones may be used on their own, they are often used by connecting two road cones with a cone bar (see, for example, Figure 5 of Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Utility Model Application Publication No. 2-89007 [Patent Document 2] Patent No. 7162316 Summary of the Invention [Problem to be solved by the invention]

[0004] FIG. 24 illustrates a state in which a cone bar 60 is installed between road cones 50 . The cone bars 60, 60, ... are successively installed between the road cones 50, 50. Therefore, the annular fitting bodies 62, 62 provided at both ends of the cone bar 60 always overlap with the fitting bodies 62, 62 of the adjacent cone bars 60.

[0005] When it becomes necessary to remove a specific cone bar 60 due to the entry and exit of people, changes to the traffic zone, etc., the fitting body 62 located on the upper side can be easily removed (fitting body 62 in Figure 14(2) shown by an "O" mark), but the fitting body 62 located on the lower side cannot be easily removed (fitting body 62 in Figure 14(3) shown by an "X" mark). In other words, in order to remove the fitting body 62 located on the lower side, it is necessary to first remove the fitting body 62 located on the upper side.

[0006] Therefore, the present inventors have completed the patented invention disclosed in Patent Document 2 in order to solve the problems of the conventional cone bars described above and provide a cone bar that allows the fitting body to be easily and reliably removed from the top of the road cone. The present inventors have further developed this invention to complete the present invention. [Means for solving the problem]

[0007] (Invention relating to cone bar fittings) The first invention of the present application is a cone bar fitting provided at both ends or one end of a rod-shaped bar body that constitutes a cone bar that is installed between road cones, and the cone bar fitting has a ring-shaped annular portion that fits into the upper part of the cone of the road cone, and is divided at the tip of the annular portion that forms the end of the cone bar, and by rotating the installed cone bar in the circumferential direction, the tip of the annular portion separates in the vertical direction, thereby releasing the fitting with the upper part of the cone of the road cone. The second invention is a cone bar fitting according to the first invention, characterized in that the cone bar fitting has a gripping portion with an attachment portion provided inside or outside for attachment to the bar body, and each of the divided annular portions can be bent in the vertical direction relative to the gripping portion and has the ability to restore itself after bending. The third invention is a cone-bar fitting according to the second invention, characterized in that each of the divided annular portions can be opened and closed in the left-right direction, and the grip portion is provided with an operating lever that controls a biasing member that biases the annular portions to a closed state. The fourth invention is a cone bar fitting according to the second or third invention, characterized in that the gripping portion and the mounting portion are connected via a connecting portion, and the connecting portion has a linkage control function that links the rotation of either the gripping portion or the mounting portion to the rotation of the other only when the other portion is rotated circumferentially by more than a certain angle. A fifth invention is a cone-bar fitting according to any one of the first to fourth inventions, characterized in that a magnet is provided on each of the contact surfaces at the tip of the divided annular portion.

[0008] (Invention relating to cone bars) The sixth aspect of the present invention is a cone bar that is installed between two road cones, and is characterized in that one or both of the cone bar fittings, which are provided at both ends of a rod-shaped bar body and have ring-shaped annular portions that fit into the upper part of the road cone, are separated at the tips of the annular portions that form the ends of the cone bar, and by rotating the installed cone bar in a circumferential direction, the tips of the annular portions separate in the vertical direction, thereby releasing the fitting with the upper part of the road cone. The seventh invention is a cone bar according to the sixth invention, characterized in that the cone bar has a gripping portion with an attachment portion provided inside or outside for attachment to the bar body, and each of the divided annular portions can be bent in the vertical direction relative to the gripping portion and has the ability to restore itself after bending. The eighth invention is a cone bar according to the seventh invention, characterized in that each of the divided annular portions can be opened and closed in the left-right direction, and the grip portion is provided with an operating lever that controls a biasing member that biases the annular portions to a closed state. The ninth invention is a cone bar according to the seventh or eighth invention, characterized in that the gripping portion and the mounting portion are connected via a connecting portion, and the connecting portion has a linkage control function that links the rotation of either the gripping portion or the mounting portion to the rotation of the other only when the other portion is rotated circumferentially by more than a certain angle. A tenth invention is a cone burr according to any one of the sixth to ninth inventions, characterized in that a magnet is provided on each of the contact surfaces at the tip of the divided annular portion.

[0009] (Invention of road cone and cone bar assembly set) An eleventh invention is a road cone / cone bar assembly set comprising a road cone and a cone bar according to any one of the sixth to tenth inventions.

[0010] (Invention when the bar body is an expandable bar) The twelfth invention is a cone bar fitting according to any one of the first to fifth inventions, characterized in that the bar body is formed by combining an outer tube and an inner tube, and when one of the outer tube or the inner tube is fixed, the other is free to expand and contract and rotate. The thirteenth invention is a cone bar according to any one of the sixth to tenth inventions, characterized in that the bar body is formed by combining an outer tube and an inner tube, and when one of the outer tube or the inner tube is fixed, the other is freely extendable and rotatable. The fourteenth invention is a road cone / cone bar assembly set comprising a road cone and the cone bar according to the thirteenth invention. [Effects of the Invention]

[0011] The present invention has the following advantages. (1) By simply rotating (twisting) the installed cone bar (or bar body, etc.) in the circumferential direction, the tips of the divided annular portions can be separated in the vertical direction, and the cone bar and the (upper cone of the road cone) can be released from their engagement (fitting). In other words, even if there is a cone bar fitting of an adjacent cone bar above the cone bar fitting, the presence of the upper cone bar fitting does not interfere with the removal of the cone bar fitting from the upper cone of the road cone. (2) Because each of the divided annular portions can be bent vertically relative to the grip portion of the cone bar fitting, the tips of the divided annular portions can be easily separated vertically, allowing the fitting to be removed from the road cone more smoothly. Furthermore, even if one cone bar fitting is still fitted to the top of the road cone and the other cone bar fitting is removed from the road cone and the bar body is lifted, the annular portion of the cone bar fitting that remains fitted bends, so the bent portion serves as a fulcrum, allowing the bar body to move smoothly, allowing people (such as workers) to pass through (enter and exit the cone bar) in a comfortable position. Furthermore, when the bar body is lifted and the cone bar is returned to its original state, the bent portion of the fitted cone bar fitting returns to its original state (it does not remain bent) without deformation due to its restoring force. (3) Each of the divided annular portions can be opened and closed in the left-right direction, and furthermore, by providing an operating lever in the grip portion that controls the biasing member that biases the annular portion to the closed state, it is possible not only to rotate the cone bar in the circumferential direction, but also to reverse the biasing force on the annular portion by operating the operating lever, thereby rotating the annular portion to the open state and removing the cone bar fitting portion from the road cone. (4) The gripping part and the mounting part are connected via a connecting part, and the connecting part has an "interlocking control function" that interlocks the rotation of either the gripping part or the mounting part with the other only when the other part is rotated circumferentially by a certain angle or more, creating "play (room)" for circumferential rotation between the cone bar fitting and the bar body. This allows one cone bar fitting to remain fitted on the top of the road cone while the other cone bar fitting can be smoothly removed from the top of the road cone. (5) By providing a magnet on each of the contact surfaces at the tip of the divided annular portions, the contact surfaces are more likely to contact each other when each annular portion that has been separated in the vertical or horizontal direction returns to its original state, and the alignment of the annular portions can be reliably restored. (6) The bar body is made up of an outer tube and an inner tube, and when either the outer tube or the inner tube is fixed, the other is free to rotate. This allows either the inner tube or the outer tube to exhibit an "interlocking control function," which allows one cone bar fitting to remain fitted to the top of the road cone while the other cone bar fitting can be smoothly removed from the top of the road cone. [Brief explanation of the drawings]

[0012] [Figure 1] FIG. 1 is an explanatory diagram (1) illustrating a first embodiment of the present invention. [Figure 2] FIG. 2 is an explanatory diagram (2) for explaining the first embodiment of the present invention. [Figure 3] FIG. 3 is an explanatory diagram (3) for explaining the first embodiment of the present invention. [Figure 4] FIG. 1 is an explanatory diagram (1) for explaining a second embodiment of the present invention. [Figure 5] FIG. 2 is an explanatory diagram (2) for explaining a second embodiment of the present invention. [Figure 6]FIG. 3 is an explanatory diagram (3) for explaining a second embodiment of the present invention. [Figure 7] FIG. 4 is an explanatory diagram (4) for explaining a second embodiment of the present invention. [Figure 8] FIG. 5 is an explanatory diagram (5) for explaining a second embodiment of the present invention. [Figure 9] FIG. 1 is an explanatory diagram (1) for explaining a third embodiment of the present invention. [Figure 10] FIG. 2 is an explanatory diagram (2) for explaining a third embodiment of the present invention. [Figure 11] FIG. 3 is an explanatory diagram (3) for explaining a third embodiment of the present invention. [Figure 12] FIG. 4 is an explanatory diagram (4) for explaining a third embodiment of the present invention. [Figure 13] FIG. 5 is an explanatory diagram (5) for explaining a third embodiment of the present invention. [Figure 14] FIG. 10 is an explanatory diagram (1) for explaining a fourth embodiment of the present invention. [Figure 15] FIG. 10 is an explanatory diagram (2) for explaining the fourth embodiment of the present invention. [Figure 16] FIG. 10 is an explanatory diagram (1) for explaining a fifth embodiment of the present invention. [Figure 17] FIG. 10 is an explanatory diagram (2) for explaining the fifth embodiment of the present invention. [Figure 18] FIG. 10 is an explanatory diagram (1) for explaining a sixth embodiment of the present invention. [Figure 19] FIG. 10 is an explanatory diagram (2) for explaining the sixth embodiment of the present invention. [Figure 20] FIG. 10 is an explanatory diagram (1) for explaining a seventh embodiment of the present invention. [Figure 21] FIG. 10 is an explanatory diagram (2) for explaining the seventh embodiment of the present invention. [Figure 22] FIG. 1 is an explanatory diagram (1) for explaining fourth to seventh embodiments of the present invention. [Figure 23] FIG. 2 is an explanatory diagram (2) for explaining the fourth to seventh embodiments of the present invention. [Figure 24] FIG. 1 is an explanatory diagram showing the problems of a conventional cone bar. DETAILED DESCRIPTION OF THE INVENTION

[0013] Hereinafter, an embodiment of the cone bar according to the present invention will be described with reference to the drawings. Note that the embodiment described below is an example of the present invention, and the present invention is not limited to this.

[0014] 1 to 3 are explanatory views illustrating a first embodiment of a cone bar according to the present invention. 1(a) shows a cone bar fitting 20A (hereinafter referred to as "fitting 20A") provided at one or both ends of a rod-shaped bar main body 11A that forms the main body of the road cone. The fitting 20A includes an annular portion 30A that fits over the top of the road cone, and an attachment portion 45A for attaching to the bar main body 11A. 1(b), the annular portion 30A has a divided tip 31A (the end of the cone bar). The annular portion 30A may be made of, for example, elastic plastic or rubber.

[0015] FIG. 2 illustrates how the fitting body 20A fitted to the cone upper portion 51 of the road cone 50 is removed. 2(b), when the cone bar (bar main body 11A or mounting portion 45A) is rotated (twisted) in its circumferential direction (the direction of rotation does not matter; this is the same in other embodiments), the annular portion 30A also rotates in conjunction with it. At that time, the inner diameter portion of the annular portion 30A abuts against the cone upper portion 51, causing "friction," and the divided tips 31A of the annular portion 30A separate, creating a gap (clearance). As a result, the fitting body 20A can be removed from the main body 51 as shown in FIG. 2(c).

[0016] FIG. 3 illustrates an example of use in which fitting bodies 20A, 20A are provided on both ends of a bar body 11A of a cone bar 10A. 3(a) shows a state in which both fitting bodies 20A, 20A of a cone bar 10A are located below the fitting body 20 of the adjacent cone bar 10. In this state, with a conventional cone bar, it would be impossible to remove the cone bar unless the fitting body 20 of the adjacent upper cone bar 10 was first removed. However, as shown in FIG. 3(b), the tip 31A of the annular portion 30A can be separated (opened) simply by rotating (twisting) the bar body 11A of the cone bar 10A in the circumferential direction. As shown in FIG. 3(c), the fitting bodies 20A, 20A can be removed from the cone upper parts 51, 51 while leaving the fitting bodies 20, 20 of the adjacent cone bars 10, 10 as they are. This usage example can also be explained in the same way in the second and third embodiments described later.

[0017] 4 to 8 are explanatory views illustrating a second embodiment of the cone bar according to the present invention. 4(a) shows a cone bar fitting 20B (hereinafter referred to as "fitting 20B") provided at one or both ends of a rod-shaped bar main body 11B that forms the main body of the cone bar. The fitting 20B includes an annular portion 30B that fits over the top of the road cone, and a gripping portion 40B that has an attachment portion 45B provided inside for attachment to the bar main body 11B. As shown in FIG. 4(b), the annular portion 30B is divided into parts symmetrically about the axial direction of the bar body 11B. Each annular part 32B constituting the annular portion 30B is vertically bendable (rotatable) relative to the grip portion 40B. Since the annular part 32B returns to its original shape after bending, it is aligned with the bar body 11B and the grip portion 40B when no stress is applied, forming an annular portion 30B with no gap (clearance) at the tip 31B. In the second embodiment, a coil spring 33B is used to restore the annular part 32B (the coil spring 33B may be either a tension spring or a compression spring), but this is not limiting as long as it provides a restoring force. A magnet 35B is provided on the tip abutment surface 34B of each annular part 32B constituting the tip 31B of the annular portion 30B (the same applies to the third embodiment). This makes it easier for the tip abutment surfaces 34B to abut against each other when the annular parts 32B separated in the vertical direction are restored, and the alignment state of the annular portion 30B can be reliably restored and maintained.

[0018] 4(a) and (b) also show that the grip portion 40B has an internal mounting portion 45B for mounting to one end of the bar body 11B. The relationship between the grip portion 40B and the mounting portion 45B will be explained in detail in FIG. 5. As shown in Figure 5, the mounting portion 45B has two rows of protrusions 48B, 49B parallel to the circumferential direction, which allows it to rotate stably within the gripping portion 40B, and the protrusions 49B abut against a C-shaped stopper 44B inserted into the gripping portion 40B, preventing the mounting portion 45B from coming off the gripping portion 40B. The mounting portion 45B has a torsion spring 47B on its distal end surface 46B, which is engaged with a locking projection 43B provided on the side surface 42B of the grip portion 40B. This torsion spring 47B provides play between the grip portion 40B and the mounting portion 45B. Rotation (twist) in one circumferential direction does not directly link to rotation (twist) in the other circumferential direction between the grip portion 40B and the mounting portion 45B. Instead, the torsion spring 47B absorbs rotations below a certain angle, providing an "interlock control function" that controls the interlocking of rotational motion. This can be said to function as the "play" found in a steering wheel of a car. The rotation angle absorbed by this interlock control function is referred to as the "play angle," and its detailed function will be explained in Figures 7 and 8 below. The play provided between the grip portion 40B and the mounting portion 45B and equipped with an interlock control function is not limited to a torsion spring.

[0019] FIG. 6 illustrates how the fitting body 20B fitted to the cone upper portion 51 of the road cone 50 is removed. When the gripping portion 40B is rotated (twisted) in its circumferential direction as shown in Fig. 6(b) from a state in which the annular portion 30B of the fitting body 20B is fitted into the cone upper portion 51 shown in Fig. 6(a), the annular portion 30B (annular parts 32B, 32B) also rotates in conjunction with it. At that time, the inner diameter portions of the annular portions 30B (annular parts 32B, 32B) abut against the cone upper portion 51, causing "friction," and the tips 31B of the divided annular portions 30B (annular parts 32B, 32B) separate, creating a gap (clearance). As a result, the fitting body 20B can be removed from the cone upper part 51 as shown in FIG. 6(c).

[0020] First, FIG. 7(a) explains the relationship between the rotation angle of the grip portion 40B and the rotation angle of the bar main body 11B. As shown in the figure, when the right-side grip portion 40B is gripped and the rotation angle is X degrees, and the angle of play absorbed by the grip portion 40B through the interlocking control function of the play portion 47B (not shown) is x degrees, the relationship with the rotation angle Y degrees of the bar main body 11B is as follows: "Rotation angle Y degrees of bar body 11B = X degrees - x degrees (however, when X degrees < x degrees, Y degrees = 0 degrees = no rotation)" Also, when holding the left grip portion 40B and setting the rotation angle to Z degrees, and setting the play angle absorbed by the interlocking control function of the play portion 47B (not shown) of the grip portion 40B to z degrees, the relationship with the rotation angle Y degrees of the bar body 11B is as follows. "Rotation angle Y degrees of bar body 11B = Z degrees - z degrees (however, when Z degrees < z degrees, Y degrees = 0 degrees = no rotation)"

[0021] And when shown in Fig. 7(b), when the right grip portion 40B is rotated 30 degrees, the right annular portion 30B can be removed from the cone upper part 51. However, when the play angle of 30 degrees is absorbed by the interlocking control function of the grip portion 40B, the rotation angle Y degrees of the bar body 11B is as follows. "Rotation angle Y degrees of bar body 11B = 30 degrees - 30 degrees = 0 degrees" Therefore, even if the grip portion 40B is rotated, the bar body 11B does not rotate. Since the bar body 11B does not rotate, the left annular portion 30B remains fitted to the cone upper part 51.

[0022] Next, as shown in Fig. 7(c), when the right grip portion 40B is rotated 80 degrees and the play angle of the grip portion 40B is 30 degrees by the interlocking control function, the 30 degrees is absorbed. Therefore, the rotation angle Y degrees of the bar body 11B is as follows. "Rotation angle Y degrees of bar body 11B = 80 degrees - 30 degrees = 50 degrees" The bar body 11B will rotate 50 degrees. However, then, when the left grip portion 40B has a play angle of 30 degrees by the interlocking control function, the 30 degrees will be absorbed. The rotation angle Z of the left grip portion 40B is as follows. "Rotation angle Z degrees of left grip portion 40B = 50 degrees (Y degrees) - 30 degrees (z degrees) = 20 degrees" That is, when the rotation angle Y of the bar main body 11B is 50 degrees, the rotation angle Z of the left grip part 40B becomes 20 degrees, and the annular part 30B can be removed from the cone upper part 51. Therefore, when the rotation angle Y of the bar main body 11B is 50 degrees, the right grip part 40B also rotates, and it is also possible to remove both annular parts 30B, 30B from the cone upper parts 51, 51.

[0023] FIG. 8 illustrates an example of how the cone bar 10B is used. As shown in Fig. 8(a), a cone bar 10B is erected between road cones 50 to form a restriction zone. A person A is attempting to move beyond this restriction zone. As shown in Figures 8(a) and 8(b), even if both mating bodies 20B, 20B are located below the mating bodies 20 of the adjacent cone bars 10, traveler A can grasp the gripping portion 40B of the mating body 20B that he wants to remove (the mating body 20B on the right side in the figure) and rotate (twist) it in the circumferential direction as shown in Figure 7(b), thereby removing only the mating body 20B of the gripping and rotated gripping portion 40B from the main body portion 51.

[0024] That is, the "interlocking control function" of play portion 47B shown in FIG. 7 absorbs the rotation angle of one of the rotating grip portions 40B (the right grip portion 40B in the illustration), so that bar body 11B does not rotate (no rotation), and naturally, the other grip portion 40B (the left grip portion 40B in the illustration) that is not being gripped also does not rotate (no rotation). Therefore, when fitting body 20B is disengaged from cone upper portion 51 due to the rotation of one grip portion 40B (the right grip portion 40B in the illustration), the other fitting body 20B (the left fitting portion 20B in the illustration) remains engaged with cone upper portion 51, and coil springs 33B, 33B (not shown) bend, and bar body 11B moves in an arc around this bend as a fulcrum. This ensures sufficient space for Passenger A to pass through, allowing him or her to move comfortably and safely outside the restricted zone.

[0025] 8(c), after traveler A has passed through the restriction zone, when bar main body 10B is returned to its original state, the restoring force of coil springs 33B, 33B (not shown), which served as the fulcrum, comes into play, and cone bar 10B, which was bent into an approximately V-shape, returns to its original state (straight state) without plastic deformation. As a result, without applying any particular force (stress), traveler A can smoothly fit fitting body 20B into cone upper part 51 by simply guiding fitting body 20B that he removed into cone upper part 51, and the restriction zone can be returned to its original state (the state of FIG. 8(a)). This example of use can also be explained in the same way in the third embodiment described later.

[0026] 9 to 13 are explanatory views illustrating a third embodiment of the cone bar according to the present invention. Figure 9(a) shows an exploded view of a cone bar fitting 20C (hereinafter referred to as "fitting body 20C") provided at both ends or one end of the rod-shaped bar body that forms the main body of the cone bar, and Figure 9(b) shows an assembly view of the fitting body 20C. The fitting body 20C includes an annular portion 30C that fits onto the upper part of the road cone, and a grip portion 40C that has an attachment portion 45C on its exterior for attachment to the bar body. The fitting body 20C differs from the fitting body 20B of the second embodiment in that each annular part 32C constituting the annular portion 30C is not only bendable (rotatable) in the vertical direction relative to the grip portion 40C (including the restoring force after bending), but also openable and closable in the horizontal direction. Specifically, a coil spring 36C (a compression spring is used in the illustration, but a pull spring is also acceptable) acting as a biasing member within the grip portion 40C transmits stress to each annular part 32C, 32C via an actuating member 37C, biasing each annular part 32C, 32C to a closed state. The coil spring 36C is controlled by an operating lever 38C, and the biasing force of the coil spring 36C can be reversed by operating the operating lever 38C. This rotates the tip 31C of the annular portion 30C to an open state, allowing the fitting body 20C to be removed from the road cone 50.

[0027] FIG. 10 illustrates the operations of the fitting body 20C described in FIG. 10(a) illustrates a state in which the annular parts 32C, 32C of the annular portion 30C are each movable in the up-down direction. This movement is achieved by the annular parts 32C, 32C having a "bending function" (bending force of the coil springs) that allows them to bend separately relative to the grip portion 40C by the coil springs 33C, 33C (the same applies to the annular parts 32B, 32B of the second embodiment). In addition, by having a "restoring function" (restoring force of the coil springs), the annular part 30C can maintain a closed annular shape at the tip 31C when no stress is applied to the annular parts 32C, 32C. Next, Figure 10(b) illustrates a state in which the annular parts 32C, 32C of the annular portion 30C are movable in the left-right direction. This movement is realized by the "opening and closing function" of the annular parts 32C, 32C, which allows them to open and close relative to the grip portion 40C. This "opening and closing function" is achieved by operating the operating lever 38C in a direction that compresses the coil spring 36C, which serves as a compression spring. This causes the annular parts 32C, 32C, which had previously been biased in a direction that closes the tip 31C, to reverse and move in a direction that opens the tip 31C.

[0028] FIG. 11 illustrates the same function as the "interlocking control function" of the second embodiment explained in FIG. An attachment portion 45C for attaching one end of the bar body 11C is provided outside the grip portion 40C, and a torsion spring 47C is interposed therebetween as a play portion. For this reason, between grip portion 40C and mounting portion 45C, the rotation (twist) of grip portion 40C in the circumferential direction does not directly link to the rotation (twist) of mounting portion 45C in the circumferential direction (and vice versa, the rotation of mounting portion 45C in the circumferential direction does not directly link to the rotation of grip portion 40C in the circumferential direction), and torsion spring 47C absorbs rotation below a certain rotation angle, providing an "interlock control function" that controls the interlocking of rotational motion. This can be said to play the role of so-called "play (room)" like that found in an automobile steering wheel, and the rotation angle absorbed by this interlock control function is referred to as the "play angle," and its role is the same as that in the second embodiment (FIGS. 5 to 8).

[0029] FIG. 12 illustrates how the fitting body 20C fitted to the cone upper portion 51 of the road cone 50 is removed. 12(a) , when the gripping portion 40C is rotated (twisted) in its circumferential direction, the annular parts 32C, 32C also rotate in conjunction with it, as shown in Fig. 12(b) . At this time, the inner diameter portions of the annular parts 32C, 32C abut against the cone upper part 51, causing "friction," and the tips 31C of the divided annular parts 32C, 32C separate, creating a gap (clearance). 12(c), the fitting body 20C can be removed from the cone upper part 51. Note that the rotation (twist) of the grip part 40C is not directly linked to the bar main body 11C or the other fitting body 20C (not shown) beyond it due to the interlocking control function, and only the fitting body 20C shown in the figure can be removed.

[0030] FIG. 13 illustrates a state in which the fitting body 20C fitted onto the cone upper portion 51 of the road cone 50 is removed by a method different from that shown in FIG. When the annular portion 30C of the fitting body 20C is fitted into the cone upper portion 51 shown in Figure 13(a), and the operating lever 38C is operated as shown in Figure 13(b), the annular portion 30C (annular parts 32C, 32C) moves left and right in conjunction with this, and the tips 31C of the divided annular portion 30C (annular parts 32C, 32C) separate, creating a gap (clearance). As a result, the fitting body 20C can be removed from the cone upper part 51 as shown in FIG. 13(c).

[0031] 14 and 15 are explanatory views illustrating a fourth embodiment of the cone bar according to the present invention. First, as shown in Fig. 14, the cone bar 10D of the fourth embodiment is the cone bar 10A of the first embodiment, in which the rod-shaped bar main body 11A forming the main body of the cone bar is replaced with a rod-shaped bar main body 11D formed by combining an outer cylinder 15D and an inner cylinder 16D. An attachment portion 45A of a fitting 20A provided at one end of the bar main body 11D is attached to the outer cylinder 15D, and an attachment portion 45A of the fitting 20A provided at the other end is attached to the inner cylinder 16D. In addition, when one of the outer tube 15D and the inner tube 16D of the bar main body 11D is fixed, the other is flexible and rotatable.

[0032] Next, FIG. 15 illustrates how the fitting body 20A fitted to the cone upper portion 51 of the road cone 50 is removed. When the annular portion 30A of the fitting body 20A is fitted into the main body portion 51 shown in Figure 15(a), and the mounting portion 45A or the inner tube 16D is rotated (twisted) in its circumferential direction as shown in Figure 15(b), the annular portion 30A also rotates in conjunction with it. As a result, as shown in FIG. 15(c), the fitting body 20A can be removed from the main body 51, just like in the first embodiment.

[0033] However, in the fourth embodiment, even if the mounting portion 45A or the inner tube 16D is rotated in its circumferential direction in FIG. 15(b), the outer tube 15D is not linked to the rotation (because the outer tube 15D and the inner tube 16D have a relationship in which when one is fixed, the other is free to rotate), and the rotation does not affect the fitting body 20A attached to the outer tube 15D (it will not come off the road cone 50). Furthermore, the explanation of the fourth embodiment so far has referred to the inner tube 16D and the fitting body 20A attached thereto, but the same applies when the outer tube 15D and the fitting body 20A attached thereto are rotated in their circumferential direction.

[0034] 16 and 17 are explanatory views illustrating a fifth embodiment of the cone bar according to the present invention. First, the cone bar 10E of the fifth embodiment is the cone bar 10B of the second embodiment, as shown in Fig. 16, in which the rod-shaped bar main body 11B forming the main body of the cone bar is replaced with a rod-shaped bar main body 11E formed by combining an outer cylinder 15E and an inner cylinder 16E. An attachment portion 45B of a fitting 20B provided at one end of the bar main body 11E is attached to the outer cylinder 15E, and an attachment portion 45B of the fitting 20B provided at the other end is attached to the inner cylinder 16E. In addition, when one of the outer tube 15E or the inner tube 16E of the bar main body 11E is fixed, the other is extendable and rotatable.

[0035] Next, FIG. 17 illustrates how the fitting body 20B fitted to the cone upper portion 51 of the road cone 50 is removed. When the annular portion 30B of the fitting body 20B is fitted into the main body portion 51 shown in Figure 17(a), and the grip portion 40B is rotated (twisted) in its circumferential direction as shown in Figure 17(b), the annular portion 30B also rotates in conjunction with it. As a result, as shown in FIG. 17(c), the fitting body 20B can be removed from the main body 51, just like the second embodiment.

[0036] In the fifth embodiment, as in the second embodiment, even if the gripping portion 40B is rotated in its circumferential direction in FIG. 17(b), an "interlocking control function" is provided between the gripping portion 40B and the mounting portion 45B (see paragraph

[0017] ), and therefore the mounting portion 45B absorbs the rotation, and the outer tube 15E does not interlock with the rotation of the inner tube 16E, so the fitting body 20B attached to the outer tube 15E is not affected by the rotation of the inner tube 16E (it will not come off the road cone 50). Here, in the fifth embodiment, the fitting body 20B of the second embodiment is used, but the fitting body 20C of the third embodiment may also be used. Furthermore, in the explanation of the fifth embodiment so far, reference has been made to the inner tube 16E and the fitting body 20B attached thereto, but the same applies when the outer tube 15E and the fitting body 20B (fitting body 20C) attached thereto are rotated in their circumferential direction.

[0037] 18 and 19 are explanatory views illustrating a sixth embodiment of the cone bar according to the present invention. First, as shown in Fig. 18, the cone bar 10F of the sixth embodiment is the cone bar 10B of the second embodiment, in which the rod-shaped bar body 11B forming the main body of the cone bar is replaced with a rod-shaped bar body 11F consisting of an outer cylinder 15F and two inner cylinders 16F, 16F. The two inner cylinders 16F, 16F are directly attached to the inside or outside of the gripping portions 40B of the fittings 20B, 20B provided at both ends of the bar body 11F (the mounting portions 45B shown in Fig. 16 do not exist). Fig. 18 illustrates the state in which the inner cylinder 16F is directly attached to the inside of the gripping portion 40B. In addition, the bar body 11F has inner cylinders 16F, 16F that are extendable relative to the outer cylinder 15F, and when one of the outer cylinder 15F or the inner cylinders 16F, 16F is fixed, the other is rotatable.

[0038] Next, FIG. 19 illustrates how the fitting body 20B fitted to the cone upper portion 51 of the road cone 50 is removed. When the annular portion 30B of the fitting body 20B is fitted into the main body portion 51 shown in Figure 19(a), and the grip portion 40B is rotated (twisted) in its circumferential direction as shown in Figure 19(b), the annular portion 30B also rotates in conjunction with it. As a result, as shown in FIG. 19(c), the fitting body 20B can be removed from the main body 51, just like the second embodiment.

[0039] However, in the sixth embodiment, even if the gripping portion 40B is rotated in its circumferential direction in FIG. 19(b), only the inner tube 16F attached to the gripping portion 40B rotates, and the outer tube 15F is not linked to that rotation (because the outer tube 15F and the inner tube 16F have a relationship in which when one is fixed the other becomes rotatable), and the rotation does not affect the fitting body 20B attached to the outer tube 15F (it will not come off the road cone 50). Although the sixth embodiment uses the fitting body 20B of the second embodiment, the fitting body 20C of the third embodiment may also be used. In this case, the inner cylinder 16F is attached directly to the grip portion 40C, not to the attachment portion 45C.

[0040] 20 and 21 are explanatory views illustrating a seventh embodiment of the cone bar according to the present invention. First, as shown in Figure 20, the cone bar 10G of the seventh embodiment is the cone bar 10F of the sixth embodiment, except that the rod-shaped bar body 11F forming the main body of the cone bar is replaced with a rod-shaped bar body 11G consisting of an outer tube 15G and one inner tube 16G. The outer tube 15G is directly attached to the outside or inside of the grip portion 40B of the fitting 20B provided at both ends of the bar body 11G (the mounting portion 45B shown in Figure 16 does not exist). Figure 20 illustrates a state in which the outer tube 15G is directly attached to the outside of the grip portion 40B. Furthermore, when one of the outer tube 15G or the inner tube 16G of the bar body 11G is fixed, the other is freely extendable and rotatable.

[0041] Next, FIG. 21 illustrates how the fitting body 20B fitted to the cone upper portion 51 of the road cone 50 is removed. When the annular portion 30B of the fitting body 20B is fitted into the main body portion 51 shown in Figure 21(a), and the gripping portion 40B (outer tube 15G) is rotated (twisted) in its circumferential direction as shown in Figure 21(b), the annular portion 30B also rotates in conjunction with it. As a result, as shown in FIG. 21(c), the fitting body 20B can be removed from the main body 51, just like the second embodiment.

[0042] However, in the seventh embodiment, even if the gripping portion 40B (outer tube 15G) is rotated in its circumferential direction in Figure 21 (b), only the outer tube 15G attached to the gripping portion 40B rotates, and the inner tube 16G is not linked to that rotation (because the outer tube 15G and the inner tube 16G have a relationship in which when one is fixed the other becomes rotatable), and the rotation does not affect the fitting body 20B attached to the inner tube 16G (it will not come off the road cone 50). Although the seventh embodiment uses the fitting body 20B of the second embodiment, the fitting body 20C of the third embodiment may also be used. In this case, the outer cylinder 15G is attached directly to the grip portion 40C, not to the attachment portion 45C. Furthermore, in the explanation of the seventh embodiment so far, reference has been made to the outer tube 15G and the fitting body 20B attached thereto, but the same applies when the inner tube 16G and the fitting body 20B (fitting body 20C) attached thereto are rotated in their circumferential direction.

[0043] 22 and 23 are other explanatory views illustrating the fourth to seventh embodiments of the present invention. In the fourth to seventh embodiments, the bar body 11 has been described as having one outer cylinder 15 and one inner cylinder 16 (fourth, fifth, and seventh embodiments) and one outer cylinder and two inner cylinders (sixth embodiment). The former has one joint, and the latter has two joints. Figure 22 shows the former case, but by grasping the joint (one location) with one hand and rotating it (Figure 22(b)), the outer tube 15 and inner tube 16 will rotate together, and the fittings 20, 20 at both ends can be removed from the cone top 51 of the road cone 50 at once. Figure 23 shows the latter case, but by grasping the outer tube 15 and inner tube 16 with both hands and rotating them across each of the joints (two locations) (Figure 23(b)), both the outer tube 15 and the inner tube 16 will rotate, and the fittings 20, 20 at both ends can be removed from the upper cone part 51 of the road cone 50 at once. [Industrial Applicability]

[0044] The cone bar according to the present invention can be widely used as a member that is continuously installed between road cones. [Explanation of symbols]

[0045] (First embodiment) 10A Cone Bar 11A Bar body 20A mating body (cone bar mating body) 30A Annular section 31A Tip 45A mounting part

[0046] (Second embodiment) 10B Cone Bar 11B Bar body 20B Fitting body (cone bar fitting body) 30B Annular section 31B Tip 32B Ring parts 33B Coil spring 34B Tip contact surface 35B Magnet 40B Grip part 42B Side 43B Locking protrusion 44B Stopper 45B mounting part 46B Tip surface 47B Torsion spring (play part) 48B convex part 49B Convex part Party A

[0047] (Third embodiment) 11C bar body 20C mating body 30C Annular section 31C tip 32C annular parts 33C coil spring 34C Tip contact surface 35C Magnet 36C coil spring 37C Actuating member 38C Operating lever 40C grip part 45C mounting part 47C Torsion spring (play)

[0048] (Fourth embodiment) 10D Cone Bar 11D bar body 15D outer cylinder 16D inner cylinder 20A mating body (cone bar mating body) 30A Annular section 31A Tip 45A mounting part

[0049] (Fifth embodiment) 10E Cone Bar 11E Bar body 15E outer barrel 16E Inner cylinder 20B Fitting body (cone bar fitting body) 30B Annular section 31B Tip 32B Ring parts 40B Grip part 45B mounting part

[0050] (Sixth embodiment) 10F Corner Bar 11F Bar 15F outer cylinder 16F inner cylinder 20B Fitting body (cone bar fitting body) 30B Annular section 31B Tip 32B Ring parts 40B Grip part

[0051] (Seventh embodiment) 10G Cone Bar 11G bar body 15G outer tube 16G inner cylinder 20B Fitting body (cone bar fitting body) 30B Annular section 31B Tip 32B Ring parts 40B Grip part

[0052] (Conventional and other examples) 50 Road Cones 51 Upper part of the cone 60 Cone Bar 62 Fitting body

Claims

1. A cone bar fitting is provided at both ends or one end of a rod-shaped bar body that constitutes a cone bar installed between road cones, The cone bar fitting body has a ring-shaped annular portion that fits into the upper part of the cone of the road cone, and is divided at the tip of the annular portion, which is the end of the cone bar.By rotating the erected cone bar in the circumferential direction, the tip of the annular portion separates in the vertical direction, thereby releasing the fitting with the upper part of the cone of the road cone.

2. The cone bar fitting according to claim 1, characterized in that the cone bar fitting has a gripping portion with an attachment portion provided inside or outside for attachment to the bar body, and each of the divided annular portions can be bent in the vertical direction relative to the gripping portion and has a restoring force after bending.

3. The cone bar fitting body according to claim 2, wherein each of the divided annular portions can be opened and closed in the left-right direction, and further, an operating lever is provided in the grip portion to control a biasing member that biases the annular portions to a closed state.

4. The cone bar fitting according to claim 2 or 3, wherein the gripping portion and the mounting portion are connected via a connecting portion, and the connecting portion has an interlocking control function that interlocks the rotation of either the gripping portion or the mounting portion with the rotation of the other only when the other is rotated circumferentially by more than a certain angle.

5. 4. The cone-bar fitting according to claim 1, wherein a magnet is provided on each of the contact surfaces of the tip ends of the divided annular portions.

6. A cone bar installed between road cones, This cone bar is characterized in that both or one of the cone bar fittings, which are provided at both ends of a rod-shaped bar body and have ring-shaped annular portions that fit into the upper part of the cone of the road cone, are divided at the tip of the annular portion, which forms the end of the cone bar, and by rotating the erected cone bar in the circumferential direction, the tip of the annular portion separates in the vertical direction, thereby releasing the fitting with the upper part of the cone of the road cone.

7. The cone bar according to claim 6, characterized in that the cone bar has a gripping portion with an attachment portion provided inside or outside for attachment to the bar body, and each of the divided annular portions can be bent in the vertical direction relative to the gripping portion and has a restoring force after bending.

8. The cone bar according to claim 7, wherein each of the divided annular portions can be opened and closed in the left-right direction, and the grip portion is provided with an operating lever for controlling a biasing member that biases the annular portions to a closed state.

9. A cone bar as described in claim 7 or 8, characterized in that the gripping portion and the mounting portion are connected via a connecting portion, and the connecting portion has a linkage control function that links the rotation of either the gripping portion or the mounting portion to the rotation of the other only when either one of the gripping portion or the mounting portion is rotated circumferentially by more than a certain angle.

10. 9. The cone burr according to claim 6, wherein a magnet is provided on each of the contact surfaces of the tip ends of the divided annular portions.

11. A road cone and cone bar assembly set comprising a road cone and the cone bar according to any one of claims 6 to 8.

12. The cone bar fitting body according to any one of claims 1 to 3, characterized in that the bar body is formed by combining an outer tube and an inner tube, and when one of the outer tube or the inner tube is fixed, the other is freely extendable and rotatable.

13. 9. A cone burr according to claim 6, wherein the burr body is formed by combining an outer tube and an inner tube, and when one of the outer tube or the inner tube is fixed, the other is freely extendable and rotatable.

14. A road cone and cone bar assembly set comprising a road cone and the cone bar according to claim 13.

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