Corn bar

Abstract

We provide a cone bar that can be used with existing road cones and whose angle can be fixed. [Solution] A cone bar 10 having connecting ends 20 at both ends, wherein the connecting ends 20 have an annular portion 21 that fits onto the tip portion 32 of a road cone 30, and the annular portion 21 has one or more projections 22 that protrude in at least one of the vertical directions, and a recess 23 that engages with the projections 22, and by overlapping the annular portions 21 and engaging the projections 22 and the recess 23, two or more cone bars 10 can be fixed so as not to rotate relative to each other.

Description

Technical Field

[0001] The present disclosure relates to a cone bar installed between a plurality of load cones.

Background Art

[0002] A general cone bar has ring-shaped connecting parts at both ends, and this connecting part is used by covering the tip of a conical load cone. Such a general cone bar can rotate because the connecting part is only covered on the tip of the load cone.

[0003] If only connecting a pair of load cones with a cone bar, the rotation of the cone bar rarely becomes a problem. However, when connecting three or more load cones with a plurality of cone bars, there may be a case where it is desired to fix the angles of the plurality of cone bars. For example, in order to arrange the load cones straight and aligned, there may be a case where it is desired to arrange a plurality of cone bars in a straight line. Also, when it is desired to surround a specific area with a square using cone bars, there may be a case where it is desired to arrange the cone bars at right angles. Although there may be such a case where it is desired to fix the angle of the cone bar, it is difficult to determine the angle with a general cone bar, and there is also a problem that even if the angle is once determined, the load cone moves and the angle cannot be maintained.

[0004] Regarding this, Patent Document 1 discloses a configuration in which a three-dimensional fitting protrusion portion having a horizontal cross-section square is provided at the top of a load cone, and square fitting perforation portions are provided at both ends of the cone bar so that the fitting protrusion portion and the fitting perforation portion fit together. According to such a configuration, the angle of the cone bar can be fixed.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0006] However, the structure described in Patent Document 1 above had the problem that it was not possible to use a general-purpose road cone because a fitting projection had to be provided at the top of the road cone. In other words, there was a problem that the angle of the cone bar could not be fixed unless all existing road cones were replaced.

[0007] Therefore, the object of this disclosure is to provide a cone bar that can be used with existing road cones and whose angle can be fixed. [Means for solving the problem]

[0008] A cone bar according to one aspect of the present disclosure is a cone bar comprising a bar body and connecting ends provided at both ends of the bar body, wherein the connecting ends have an annular portion that fits onto the tip of a road cone, and the annular portion has one or more projections protruding in at least one of the vertical directions and recesses that engage with the projections, and two or more cone bars can be fixed so as not to rotate relative to each other by overlapping the annular portions and engaging the projections and recesses. [Effects of the Invention]

[0009] According to this disclosure, the annular portion fitted to the tip of the road cone has at least one projection protruding in either the up or down direction, and a recess that engages with the projection. By overlapping the annular portions and engaging the projection and recess, two or more cone bars can be fixed so as not to rotate relative to each other. Therefore, even when used with existing road cones, the angle of the cone bars can be fixed. [Brief explanation of the drawing]

[0010] [Figure 1] This diagram shows how cone bars are used. [Figure 2] These are (a) a front view, (b) a top view, (c) a rear view, and (d) a side view of the connection end. [Figure 3]This is a perspective view of the connection end. [Figure 4] This diagram shows connection configurations of connection ends using recesses, with (a) a diagram showing a connection at 180 degrees, (b) a diagram showing a connection at 135 degrees, and (c) a diagram showing a connection at 45 degrees. [Figure 5] The diagram shows the connection configuration of a connecting end using a sliding groove, and includes: (a) a diagram illustrating the relationship between the sliding groove and the projection; (b) a diagram showing the sliding groove and the recess engaged and rotated to reduce the angle; and (c) a diagram showing the sliding groove and the recess engaged and rotated to increase the angle. [Modes for carrying out the invention]

[0011] Embodiments of the present invention will be described with reference to the figures.

[0012] As shown in Figure 1, the cone bar 10 according to this embodiment is used by being erected between two road cones 30. Such road cones 30 and cone bars 10 are used as tools to prevent and restrict entry to specific areas at accident sites, construction sites, event venues, etc.

[0013] The road cone 30 can be a commercially available one. The road cone 30 comprises a base 33 that is placed on the ground and a cone body 31 that protrudes upward from the base 33. However, the shape of the road cone 30 is not limited to this and can be any shape.

[0014] As shown in Figure 1, the cone bar 10 comprises a bar body 11. The bar body 11 can be any long member. It may be a straight rod-shaped member, a bent rod-shaped member, or an elastically deformable member.

[0015] At both ends of the bar body 11, connection end portions 20 as shown in FIGS. 2 and 3 are provided. A pair of connection end portions 20 having the same shape are used and attached to both ends of the bar body 11. The pair of connection end portions 20 are fixed to the bar body 11 such that their surfaces 20a face the same direction. In the present embodiment, the surfaces 20a of the pair of connection end portions 20 constitute the same plane.

[0016] This connection end portion 20 includes a bar insertion portion 27 into which the end portion of the cone bar 10 can be inserted, an annular portion 21 that is fitted into the tip portion 32 of the load cone 30, and an intermediate portion 28 that connects the bar insertion portion 27 and the annular portion 21.

[0017] The bar insertion portion 27 is formed in a cylindrical shape. The hollow of this bar insertion portion 27 forms an insertion hole 27a into which the end portion of the cone bar 10 can be inserted. Since the cone bar 10 according to the present embodiment is a round bar having a circular cross section, the insertion hole 27a is also formed in a cylindrical shape having a circular cross section.

[0018] The cone bar 10 inserted into the insertion hole 27a and the connection end portion 20 are fixed so as not to easily fall off. For example, the connection end portion 20 may be fixed to the end portion of the cone bar 10 by a fixture such as a pin attached from the outside of the bar insertion portion 27. Also, by press-fitting the cone bar 10 into the insertion hole 27a (providing an interference fit between the two), the connection end portion 20 may be fixed to the end portion of the cone bar 10. Also, an adhesive may be used to fix the connection end portion 20 to the end portion of the cone bar 10.

[0019] The annular portion 21 is a ring-shaped portion as shown in FIG. 2 and is provided so as to project in the tip direction from the bar insertion portion 27. The bar insertion portion 27 and the annular portion 21 are connected by a fan-shaped intermediate portion 28.

[0020] At the center of the annular portion 21, a circular engagement hole 25 is formed. This engagement hole 25 is a hole that engages with the load cone 30. That is, by fitting the annular portion 21 onto the tip 32 of the cone body 21 from above, the engagement hole 25 engages with the taper of the cone body 21, and the end of the cone bar 10 can be attached to the load cone 30.

[0021] As shown in FIGS. 2(a), (c), and (d), the annular portion 21 has a front surface 20a and a back surface 20b parallel to the axis of the bar body 11. The front surface 20a and the back surface 20b form flat surfaces parallel to each other. On the front surface 20a and the back surface 20b, as shown in FIGS. 2(b) and 3, protrusions 22, recesses 23, and sliding grooves 24 are formed. In this embodiment, the shapes of the front surface 20a and the back surface 20b are the same. Therefore, the bottom view of the annular portion 21 appears the same as the plan view shown in FIG. 2(b). In other words, the protrusions 22, the recesses 23, and the sliding grooves 24 are provided in the same arrangement on the front and back of the annular portion 21 (the positional relationship of the protrusions 22, the recesses 23, and the sliding grooves 24 is the same on the front and back of the annular portion 21).

[0022] The protrusion 22 is a portion that protrudes in the vertical direction from the front surface 20a and the back surface 20b. The protrusion 22 is formed in a shape that fits into the recess 23 described later. The protrusion 22 according to this embodiment has a frustum shape with a slightly smaller diameter at the tip. By adopting such a shape, when fitting into the recess 23, it is guided along the taper of the side surface of the protrusion 22, so that the protrusion 22 can be smoothly fitted into the recess 23. Also, when the protrusion 22 is fitted into the recess 23, a wedging effect is exerted, and the two can be joined without rattling.

[0023] In this embodiment, one protrusion 22 is provided on each of the front surface 20a and the back surface 20b. However, it is not limited to this, and two or more protrusions 22 on the front surface 20a or the back surface 20b may be provided. Also, only one of the front surface 20a or the back surface 20b may be provided with the protrusion 22.

[0024] The recess 23 is a hole-shaped structure formed on the surface 20a and back surface 20b for the projection 22 to be fitted into. The recess 23 is formed in a cylindrical shape so that the projection 22 can be inserted into it. When the projection 22 is fitted into this recess 23, the recess 23 and the projection 22 are immovably coupled.

[0025] Multiple recesses 23 are arranged along the circumferential direction of the annular portion 21. These multiple recesses 23 are arranged on the same circumference as the projections 22. In other words, multiple recesses 23 and projections 22 are arranged on the circumference centered on the engagement hole 25. In this embodiment, as shown in Figure 2(b), recesses 23 are provided at 45-degree intervals when viewed circumferentially from the projection 22 (seven recesses 23 are provided on both the front surface 20a and the back surface 20b).

[0026] The aforementioned recess 23 can engage with the projection 22 of another cone bar 10 when the annular portion 21 of another cone bar 10 is superimposed on it. That is, when the annular portions 21 of multiple cone bars 10 are engaged with one road cone 30, the projection 22 of the overlapping annular portions 21 and the recess 23 can engage with each other. By superimposing the annular portions 21 in this way and engaging the projection 22 and the recess 23, two or more cone bars 10 can be fixed so that they do not rotate relative to each other. Therefore, two or more cone bars 10 can be fixed at a predetermined angle.

[0027] Since the annular portion 21 according to this embodiment has a plurality of recesses 23, the angle of the cone bar 10 can be easily changed by engaging the projection 22 with which recess 23. For example, as shown in Figure 4(a), two cone bars 10 can be connected in a straight line (at 180 degrees), as shown in Figure 4(b), two cone bars 10 can be connected to form an obtuse angle, or as shown in Figure 4(c), two cone bars 10 can be connected to form an acute angle.

[0028] In this embodiment, as shown in Figure 2(b), the annular portion 21 has projections 22 and a plurality of recesses 23 arranged on its circumference. When the position where the projection 22 is provided is considered to be the 12 o'clock position, at least the recesses 23 are formed at the 3 o'clock, 6 o'clock, and 9 o'clock positions. Therefore, by engaging the projection 22 with the recess 23 at the 6 o'clock position, the two cone bars 10 can be connected in a straight line (at 180 degrees), and by engaging the projection 22 with the recess 23 at the 3 o'clock or 9 o'clock position, the two cone bars 10 can be connected at a right angle (at 90 degrees).

[0029] In this embodiment, multiple recesses 23 are provided on both the front and back surfaces of the annular portion 21. However, the embodiment is not limited to this, and the recesses 23 may be provided only on either the front surface 20a or the back surface 20b of the annular portion 21. Alternatively, only one recess 23 may be provided.

[0030] The sliding groove 24 is an arc-shaped groove formed circumferentially between a plurality of recesses 23. This sliding groove 24 is independent of the recesses 23 and is not connected to them. This sliding groove 24 can engage with the projection 22, but unlike the recesses 23, the projection 22 is movable within the sliding groove 24. That is, as shown in Figure 5(a), the projection 22 engaged with the sliding groove 24 is movable along the longitudinal direction of the sliding groove 24 within the range from the position indicated by P1 to the position indicated by P2. Therefore, by overlapping the annular portions 21 and engaging the projection 22 with the sliding groove 24, two or more cone bars 10 can be connected so that they can rotate relative to each other within the range of the sliding groove 24. Specifically, while the annular portion 21 is superimposed and the projection 22 and sliding groove 24 are engaged, the annular portion 21 can be rotated from the state shown in Figure 5(b) (where the projection 22 is at the position indicated by P1) to the state shown in Figure 5(c) (where the projection 22 is at the position indicated by P2).

[0031] As described above, the annular portion 21 fitted into the tip portion 32 of the road cone 30 has at least one projection 22 protruding in either the up or down direction, and a recess 23 that engages with the projection 22. By overlapping the annular portions 21 and engaging the projection 22 and the recess 23, two or more cone bars 10 can be fixed so as not to rotate relative to each other. Therefore, even when used with existing road cones 30, the angle of the cone bars 10 can be fixed.

[0032] Furthermore, since the recesses 23 are arranged in multiple locations with spacing in the circumferential direction, the angle of the cone bar 10 can be easily changed by engaging which recess 23 with the projection 22.

[0033] Furthermore, since the projection 22 and the multiple recesses 23 are arranged on the same circumference, the angle of the cone bar 10 can be easily changed simply by rotating the annular portion 21 around the road cone 30 as an axis.

[0034] Furthermore, on the circumference where the projection 22 and the multiple recesses 23 are arranged, when the position where the projection 22 is provided is considered to be the 12 o'clock position, at least the recesses 23 are formed at the 3 o'clock, 6 o'clock, and 9 o'clock positions. Therefore, the angle of the cone bars 10 can be easily changed to frequently used angles (angles in which the two cone bars 10 are arranged in a straight line or at a right angle).

[0035] Furthermore, sliding grooves 24 are formed between the multiple recesses 23 along the circumferential direction, and by overlapping the annular portions 21 and engaging the projections 22 with the sliding grooves 24, two or more cone bars 10 can be connected so that they can rotate relative to each other within the range of the sliding grooves 24. In other words, if it is desired to connect two cone bars 10 with a certain range of motion rather than completely fixing their angles, the projections 22 and the sliding grooves 24 can be engaged.

[0036] Furthermore, the projections 22 and recesses 23 are provided on both the front and back surfaces of the annular portion 21. Therefore, the cone bars 10 can be connected without having to consider the front or back surface of the annular portion 21. In addition, since other annular portions 21 can be engaged with both the front and back surfaces of the annular portion 21, it is also possible to connect three or more cone bars 10. For example, it is possible to connect the cone bars 10 in a T-shape or an X-shape. [Explanation of Symbols]

[0037] 10 Cone Bar 11 Bar body 20 Connection End 20a surface 20b back side 21 Ring section 22 Protrusions 23 Recess 24 Sliding grooves 25 Engagement holes 27 Bar insertion section 27a Insertion hole 28 Middle section 30 Road Cones 31 Cone body 32 Tip 33 Daibu

Claims

1. The bar body and The connecting ends provided at both ends of the bar body, A cone bar equipped with, The aforementioned connecting end has an annular portion that fits into the tip of the road cone, The annular portion has at least one projection protruding in either the vertical or vertical direction, and a recess that engages with the projection. By overlapping the annular portions and engaging the projections and recesses, two or more cone bars can be fixed in place so that they do not rotate relative to each other. Cone bar.

2. The aforementioned recesses are arranged in multiple locations with intervals in the circumferential direction. The cone bar according to claim 1.

3. The aforementioned protrusion and the plurality of recesses are arranged on the same circumference. The cone bar according to claim 2.

4. In the circumference where the projection and the plurality of recesses are arranged, when the position where the projection is provided is defined as the 12 o'clock position, the recesses are formed at least at the 3 o'clock, 6 o'clock, and 9 o'clock positions. The cone bar according to claim 3.

5. A sliding groove is formed between the plurality of recesses along the circumferential direction. By overlapping the annular portions and engaging the projections with the sliding grooves, two or more cone bars can be connected so that they can rotate relative to each other within the range of the sliding grooves. The cone bar according to claim 2.

6. The aforementioned protrusions and recesses are provided on both the front and back surfaces of the annular portion. The cone bar according to claim 1.

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