JP2006307874A - Suspension rod and its tightening method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a suspension rod capable of improving the aesthetic appearance and having rust preventive effect and to provide its tightening method. <P>SOLUTION: In this suspension rod 1 provided with a turn buckle part 4 to bring a pair of rods 2, 3 close to each other or let them leave and separate from each other between the pair of rods 2 and 3 arranged on the same shaft, a cover pipe 15 having a cylindrical shape for covering the turn buckle part 4 and having a cross sectional outer shape similar to a cross sectional outer shape of the pair of rods 2, 3 is provided between the pair of rods 2 and 3. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a suspension rod provided with a turn buckle portion for bringing the pair of rods close to and away from each other between a pair of rods arranged on the same axis, and a tightening method thereof.

  As shown in FIG. 9, a conventional turnbuckle 61 includes a turnbuckle body 63 having a right female screw 62a and a left female screw 62b formed at both ends, and a right male screw 64a screwed to the right female screw 62a. Is formed at one end and a first rod portion 66a provided with an attachment piece 65a at the other end, and a left male screw 64b screwed to the left female screw 62b is formed at one end and an attachment piece at the other end. And a second rod portion 66b provided (not shown).

  When this turnbuckle 61 is used as a building material, there is no particular problem when it is embedded in a wall, but when it is used in a portion that is visible to the outside, there is a problem that the aesthetics are impaired. there were.

In order to improve the appearance of the turnbuckle, there is a structure in which a cover body 72 having a U-shaped cross section is attached to the outside of the turnbuckle 71 as shown in FIG. 10 (see, for example, Patent Document 1). Further, as shown in FIG. 11, a right female screw 74a and a left female screw 74b are formed at the ends of a pair of fixed rods 73a and 73b, and rods 73a and 73b are formed between the rods 73a and 73b. There is a structure in which a body 75 having the same diameter is provided, and a right male screw 76a and a left male screw 76b that are respectively engaged with the right female screw 74a and the left female screw 74b are formed at both ends of the body 75. (For example, refer to Patent Document 2).
Japanese Utility Model Publication No. 2-18951 (FIG. 1) JP-A-6-313411 (FIG. 1)

  However, in the structure shown in FIG. 10, although the cover body 72 is attached, since the cover body 72 has a U-shaped cross section, the turnbuckle 71 itself is exposed, and the appearance is not improved.

  On the other hand, in the structure shown in FIG. 11, since the rods 73a and 73b and the body 75 having the same diameter are exposed to the outside, the screws 74a, 74b, 76a, There was a problem that the portion 76b rusted due to rain.

  Therefore, the present invention has been devised to solve the above-described problems, and an object thereof is to provide a suspension rod that improves aesthetics and has a rust-preventing effect and a tightening method thereof.

  In order to solve the above-mentioned problem, the invention according to claim 1 is a suspension rod provided with a turnbuckle portion for bringing the pair of rods close to and away from each other between a pair of coaxially arranged rods. The suspension rod is characterized in that a cylindrical cover pipe that covers the turnbuckle portion is provided between the pair of rods.

  Here, the turnbuckle part is one in which a male screw is formed on the rod side, a female screw is formed on the turnbuckle body side provided between the rods, and a female screw is formed on the rod side. Includes both of which have a male thread on the side.

  According to the above configuration, since the turnbuckle portion is covered with the cover pipe, the turnbuckle portion can be completely hidden and the aesthetic appearance can be improved, and the turnbuckle portion can be prevented from raining. Rust can be prevented.

  The invention according to claim 2 is the suspension rod according to claim 1, wherein the cover pipe is configured to have a cross-sectional outline similar to that of the pair of rods.

  Here, the cross-sectional outer shape similar to the cross-sectional outer shape of the rod is a similar shape slightly larger than the rod, and indicates a shape in which the cover pipe can be fitted to the outer peripheral surface of the rod in a watertight and slidable manner.

  According to the said structure, the unification feeling of the external shape of a rod and a cover pipe is obtained, and aesthetics can be improved further.

  According to a third aspect of the present invention, there is provided a suspension rod tightening method in which a turnbuckle portion provided between a pair of rods arranged on the same axis is tightened to bring the pair of rods close to and away from each other. Cover the body of one of the rods with a cover pipe in advance and retract it. After tightening the turnbuckle part, move the cover pipe to the periphery of the turnbuckle part. This is a method of tightening a suspension rod, which covers the part.

  According to the tightening method, by covering the rod with the cover pipe in advance, the turnbuckle portion can be covered by moving the cover pipe to the periphery of the turnbuckle portion after the turnbuckle portion is tightened. it can. Therefore, the cover pipe can be integrally formed beforehand in a cylindrical shape without being divided, and the waterproofness of the cover pipe can be greatly enhanced.

  According to the present invention, it is possible to improve the aesthetics of the suspension rod and to exhibit an excellent effect that a rust prevention effect can be obtained.

  Next, the best mode for carrying out the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a perspective view showing the best mode for carrying out the suspension rod according to the present invention, FIG. 2 is an exploded perspective view showing the best mode for carrying out the suspension rod according to the present invention, and FIG. It is process explanatory drawing which showed the fastening method of the suspension rod which concerns on this invention.

  First, the configuration of the hanging rod according to the present embodiment will be described. Such a suspension rod is provided, for example, to suspend a cage attached to the wall surface of the building from above, and is provided above the fixture on the upper surface of the cage and the cage on the wall surface of the building. It is arrange | positioned so that it may be spanned between the attached mounting brackets.

  As shown in FIGS. 1 and 2, the suspension rod 1 has a pair of rods 2 and 3 arranged coaxially and a turnbuckle portion 4 provided between the rods 2 and 3. . The turnbuckle part 4 is provided to bring the pair of rods 2 and 3 close to and away from each other.

  Each rod 2 and 3 is comprised from the cylindrical member made from aluminum alloy or stainless steel. One end of each rod 2, 3 is formed into a flat plate shape by press working, and a bolt hole 12 is formed in the flat plate portion 11. The rods 2 and 3 are formed to have the same diameter.

  The turnbuckle 4 is provided at the end of one rod (hereinafter referred to as “first rod”) 2 and the other end of the left rod (hereinafter referred to as “second rod”) 3. And a connecting nut 7 for connecting the left male screw 5 and the right male screw 6, and a fixing nut 8 for fixing the connecting nut 7. The left male screw 5 and the right male screw 6 are respectively provided with screw heads (see FIG. 2) 14. By inserting and screwing the screw heads 14 into the cylindrical ends of the first rod 2 and the second rod 3, the left male screw 5 becomes the first rod 2 and the right male screw 6 becomes the second rod 3. Each is fixed. The connecting nut 7 has a left female screw 9 formed at one end with a predetermined depth (slightly longer than the fastening allowance of the suspension rod 1), and a right female screw 10 with a predetermined depth at the other end. It is formed coaxially with the screw 9. The fixing nut 8 is formed through the right female screw 10.

  A cylindrical cover pipe 15 that covers the turnbuckle portion 4 is provided between the first rod 2 and the second rod 3 (a pair of rods). The cover pipe 15 is composed of an aluminum alloy or stainless steel cylindrical member equivalent to the first rod 2 and the second rod 3. The surface of the cover pipe 15 is subjected to finish processing equivalent to the surfaces of the first rod 2 and the second rod 3 (for example, hairline processing and mirror surface processing). If the surface of the first rod 2 and the second rod 3 is subjected to hairline processing, if the processing is performed so that the line comes out along the longitudinal direction, even if the cover pipe 15 slides, The scratches are less noticeable and preferable.

  The cover pipe 15 is configured to have a cross-sectional outline (cross-sectional circle) similar to the cross-sectional outline (circular cross-section) of the first rod 2 and the second rod 3. Specifically, the cover pipe 15 has an inner diameter of the first rod 2 and the second rod so that the cover pipe 15 can be fitted in a watertight and slidable manner along the outer peripheral surface of the first rod 2 or the second rod 3. It is formed to be larger than the outer diameter of 3 by a predetermined clearance. Therefore, the outer diameter of the cover pipe 15 is larger than the outer diameters of the first rod 2 and the second rod 3 by the clearance and the thickness of the cover pipe 15. That is, the outer shape of the cover pipe 15 is a similar shape slightly larger than the outer shapes of the first rod 2 and the second rod 3.

  A screw hole 16 is formed in the vicinity of one end of the cover pipe 15 (in the present embodiment, the end on the second rod 3 side). On the other hand, the second rod 3 is formed with a screw hole 17 in a portion corresponding to the screw hole 16 of the cover pipe 15 when the cover pipe 15 is moved to the position when the hanging rod 1 is used. The cover pipe 15 is fixed to the second rod 3 by, for example, screwing a pan head screw 18 (see FIG. 1) into the screw holes 17 and 16.

  Next, a method for tightening the suspension rod 1 according to the present embodiment will be described with reference to FIGS. 1 and 3.

  First, as shown in FIG. 3A, the cover pipe 15 is put on the body portion 19 of the first rod 2 in advance and retracted. At this time, the cover pipe 15 is slid to a position where the left male screw 5 fixed to the first rod 2 is almost exposed. Then, the fixing nut 8 is screwed into the right male screw 6 of the second rod 3 and moved to the base end side of the right male screw 6, and the connecting nut 7 is moved to the left male screw 5 or the right male screw. The screw 6 is screwed and attached. And the flat plate part 11 side of the 1st rod 2 is fixed to one fixed side (for example, attachment bracket provided in the upper surface of a collar) with fastening members (not shown), such as a bolt and a nut. On the other hand, the flat plate portion 11 side of the second rod 3 is fixed to the other fixed side (for example, a mounting bracket provided on the wall surface of the building) by fastening members (not shown) such as bolts and nuts.

  Next, as shown in FIG. 3B, the left male screw 5 and the right male screw 6 are respectively screwed into the left female screw 9 and the right female screw 10 (see FIG. 2) of the connecting nut 7, The coupling nut 7 is tightened while rotating. At this time, since the first rod 2 and the second rod 3 are respectively attached with screws 5 and 6 which are opposite to each other, by rotating the connecting nut 7 in one direction, the first rod 2 and the second rod 3 The rod 3 is attracted to each other. When the first rod 2 and the second rod 3 are drawn so that the suspension rod 1 obtains a desired length or a desired tensile force, the fixing nut 8 is rotated and pressed against the connecting nut 7. As a result, the rotation of the connecting nut 7 is restricted and fixed to the left male screw 5 and the right male screw 6.

  Finally, as shown in FIG. 1, the cover pipe 15 that has been retracted to the body portion 19 of the first rod 2 is slid to the second rod 3 side to completely cover the turnbuckle portion 4. By the way, the pan-head screw 18 is inserted and screwed into the screw holes 17 and 16 to fix the cover pipe 15 to the second rod 3, thereby completing the tightening of the suspension rod 1.

  Hereinafter, the operation of the suspension rod 1 according to the present embodiment will be described.

  According to the said structure, since the turnbuckle part 4 is covered with the cover pipe 15 over the whole, the turnbuckle part 4 can be hidden completely. Therefore, screws and nuts can be concealed, and the cover pipe 15 having the same surface treatment as that of the first rod 2 and the second rod 3 is exposed on the surface of the turnbuckle portion 4. Can be improved. In particular, the cover pipe 15 has a similar shape whose outer shape is slightly larger than the outer shapes of the first rod 2 and the second rod 3, and the same surface as the first rod 2 and the second rod 3 on its surface. Since it has been processed, it is possible to ensure a sense of unity with the first rod 2 and the second rod 3, and when viewed from a remote location, the suspension rod 1 appears to be composed of a single rod.

  Moreover, since the cover pipe 15 is provided so as to block the turnbuckle portion 4 from the outside, it is possible to prevent the turnbuckle portion 4 from raining. Therefore, it can prevent that the turnbuckle part 4 provided with a screw and a nut rusts. In particular, since the cover pipe 15 is fitted in a watertight and slidable manner along the outer peripheral surface of the first rod 2 or the second rod 3, the rain that has traveled along the surface of the first rod 2 or the second rod 3. Such water does not flow into the cover pipe 15 and the rust prevention effect of the turnbuckle portion 4 is enhanced.

  Furthermore, according to the tightening method of the suspension rod 1 according to the embodiment, the cover pipe 15 is retracted by covering the first rod 2 in advance, so that the cover pipe 15 is tightened after the turnbuckle portion 4 is tightened. Is moved to the periphery of the turnbuckle portion 4 so as to cover the turnbuckle portion 4. Therefore, it is not necessary to form the cover pipe separately as in the case where the cover pipe is sandwiched from the outside in the radial direction of the suspension rod, and the cover pipe 15 can be integrally formed in advance in a cylindrical shape. Can greatly increase.

  In this embodiment, the male rods 5 and 6 are attached to the first rod 2 and the second rod 3, and the fixing nuts 8 having the female screws 9 and 10 are interposed therebetween. A member having a female screw formed on the rod and a male screw formed on both sides may be interposed between the rods.

  4 is a plan view and a side view showing a bifurcated mounting bracket for supporting the suspension rod according to the present invention in a bifurcated shape, and FIG. 5 is a plan view and a side view showing a mounting state of the suspension rod according to the present invention. is there.

  As shown in FIG. 5, when the suspension rod 1 is bifurcated, a bifurcated fitting 21 shown in FIG. 4 is used. As shown in FIGS. 4 and 5, the bifurcated mounting bracket 21 is formed with a bracket mounting portion 22 for mounting a fixed mounting bracket (for example, a mounting bracket protruding from the wall of a building) 29 at one end and suspended at the other end. A suspension rod attachment portion 23 that fixes and supports the end portion of the rod 1 is formed.

  The suspension rod attachment portion 23 has a pair of leg portions 24 that are bifurcated at an opening angle A that opens symmetrically with respect to the center line L1 of the attachment bracket 29 on the fixed side. The suspension rod attachment portion 23 has a pair of bolt holes 25 provided in each forked leg portion 24 and a pair of nut accommodation pockets 26. The nut accommodation pocket 26 is configured to support a nut (see FIG. 5) 27 that is a fastening member so that the nut 27 does not rotate around its axis. The nut accommodating pockets 26 are formed symmetrically inside the pair of forked legs 24, and bolt holes 25 are formed outside the nut accommodating pockets 26. Here, the inside of the pair of leg portions 24 refers to the side of each leg portion 24 facing each other, and the outside refers to the side facing away from the inside of each leg portion 24.

  When the suspension rod 1 is supported using the bifurcated mounting bracket 21, first, nuts 27 are inserted into the nut receiving pockets 26, and the flat plate portion 11 of the suspension rod 1 is aligned with the outside of each leg portion 24. Then, the bolt 28 is inserted into the bolt hole 12 of the flat plate portion 11 and screwed into the nut 27 in the nut receiving pocket 26. At this time, since the nut 27 is supported so as not to rotate, the fixing operation can be easily performed by simply rotating the bolt 28 without supporting the nut 27. Further, since the nut 27 is supported inside the pair of forked legs 24, the bolts 28 can be tightened smoothly outside the pair of legs 24 with sufficient space. it can.

  Further, according to the bifurcated mounting bracket 21, the plurality of suspension rods 1 can be supported symmetrically at a constant opening angle, so that the load can be evenly distributed, and the load is locally applied to the hanging rod 1 and the bifurcated mounting bracket 21. It can prevent concentration.

  The opening angle of the bifurcated portion is appropriately set according to the attachment site and the support load. It is convenient to produce a bifurcated mounting bracket having a plurality of types of opening angles, and to select and use a bifurcated mounting bracket having a suitable opening angle according to the mounting state.

  FIG. 6 is a cross-sectional view before tightening and a cross-sectional view after tightening showing the second best mode for carrying out the suspension rod according to the present invention.

  As shown in FIG. 6, the suspension rod 31 according to the present embodiment is provided with a water stop ring 33 made of an elastic body such as rubber on the inner peripheral surface of one end of the cover pipe 32. A small-diameter portion 37 having a diameter smaller than that of the body portion 36 of the first rod 34 and the second rod 35 is provided at an end portion on the left male screw 5 side of the first rod 34 and an end portion on the right male screw 6 side of the second rod 35. Each is formed. The small diameter portion 37 is formed so that its outer diameter is smaller than the inner diameter of the water stop ring 33 by the moving clearance. Inside each small diameter portion 37, screw heads 14 of the left male screw 5 and the right male screw 6 are inserted and fixed by welding. A boundary portion between the body portion 36 and the small-diameter portion 37 is processed into a tapered shape, and an inclined portion 38 whose outer diameter continuously decreases toward the turnbuckle 4 side end portion is formed. In the present embodiment, the water stop ring 33 is provided to prevent water from entering the turnbuckle portion 4, so that the inner diameter of the cover pipe 32 is slightly larger than that of the cover pipe 15 shown in FIG. And you may comprise so that the movement with respect to each rod 34 and 35 may be performed smoothly.

  Since the configuration other than the portion described above is the same as that of the suspension rod 1 shown in FIG. 1, the same reference numerals are given and description thereof is omitted.

  In tightening the suspension rod 31 according to the present embodiment, first, the first rod 34 is installed so as to be below the second rod 35. Then, as shown in FIG. 6A, the cover pipe 32 is retracted to the body portion 36 of the first rod 34. At this time, the cover pipe 32 is put on the first rod 34 so that the water stop ring 33 of the cover pipe 32 is positioned on the turnbuckle part 4 side of the first rod 34. Here, according to the said structure, since the water stop ring 33 is located in the surrounding part of the small diameter part 37 of the 1st rod 34, the cover pipe 32 can be moved to the position which exposes the left male screw 5 completely. it can.

  Then, after tightening the turnbuckle part 4, as shown in FIG. 6 (b), the cover pipe 32 retracted in the body part 36 of the first rod 34 is moved to the second rod 35 side. When the turnbuckle portion 4 is completely covered, a pan head screw (not shown) is inserted into and screwed into the screw hole to fix the cover pipe 32 to the second rod 35.

  At this time, since the water stop ring 33 is pressed against the inclined portion 38 of the second rod 35, it functions as a seal and can improve the water tightness of the joint portion between the second rod 35 and the cover pipe 32. The water stop ring 33 is provided on the upper side of the turnbuckle portion 4 and can prevent water such as rainwater that has fallen on the second rod 35 from entering the inside of the cover pipe 32. Water does not flow through 4, and the rust prevention effect can be enhanced.

  Further, if the cover pipe 32 is configured to be fixed to the second rod 35 by the frictional force between the water stop ring 33 and the inclined portion 38 of the second rod 35, the pan head screw 18 in FIG. The aesthetics can be further enhanced.

  FIG. 7 is a sectional view showing the third best mode for carrying out the suspension rod according to the present invention.

  As shown in FIG. 7, the suspension rod 41 according to the present embodiment has a female screw 44 formed on the inner peripheral surface of one end of the cover pipe 43. A small-diameter portion 48 having a diameter smaller than that of the body portion 47 of the first rod 45 and the second rod 46 is provided on the left male screw 5 side end portion of the first rod 45 and the right male screw 6 side end portion of the second rod 46. Each is formed. The small diameter portion 48 is formed so that its outer diameter is smaller than the inner peripheral diameter of the female screw 44. The screw heads 14 of the left male screw 5 and the right male screw 6 are inserted and fixed to the inside of each small diameter part 48, respectively. When the suspension rod 41 is used, a male screw with which a female screw 44 formed on the cover pipe 43 is screwed onto the outer peripheral surface of the small-diameter portion 48 of the rod (second rod 46 in the present embodiment) disposed on the upper side. 49 is formed. In the present embodiment, since the cover pipe 43 is fixed to the second rod 46 by screwing the female screw 44 and the male screw 49, a screw hole for fixing the cover pipe 43 to the second rod 46 is provided. It is not necessary.

  In this embodiment, the male screw 49 is formed only on the small diameter portion 48 of the second rod 46 disposed on the upper side. However, the male screw 49 is also formed on the small diameter portion 48 of the first rod 45. Also good. In this case, either the first rod 45 or the second rod 46 can be disposed on the upper side.

  Since the configuration other than the portion described above is the same as that of the suspension rod 1 shown in FIG. 1, the same reference numerals are given and description thereof is omitted.

  According to the suspension rod 41 having the above-described configuration, the cover pipe 43 is secondly connected by screwing the female screw 44 formed on the cover pipe 43 and the male screw 49 formed on the small-diameter portion 48 of the second rod 46. Since it is fixed to the rod 46, the water tightness of the joint portion between the second rod 46 and the cover pipe 43 can be enhanced. Therefore, the same effect as the embodiment shown in FIG. 6 can be obtained.

  Moreover, since the screw hole for fixing the cover pipe 43 to the 2nd rod 46 is unnecessary, and it is not necessary to use a pan head screw further, aesthetics can be improved further.

  FIG. 8 is a plan view showing the fourth best mode for carrying out the suspension rod according to the present invention.

  As shown in FIG. 8, the suspension rod 51 according to the present embodiment includes a flat plate portion 53 in which the bolt hole 12 of at least the first rod or the second rod (second rod 52 in the present embodiment) is formed. Is bent at a predetermined angle. The flat plate portion 53 is bent at the rod portion more than the portion where the bolt holes 12 are formed, and the suspension rod 51 is bent and supported by the mounting bracket 29 protruding from the wall surface of the building. It is configured.

  When using the suspension rod 51 having the above-described configuration, the pair of suspension rods 51 are attached to the left and right sides of the mounting bracket 29. The suspension rod 51 is attached in a bifurcated manner with the attachment bracket 29 as a base point. The flat plate portion 53 of each suspension rod 51 is arranged so as to sandwich the mounting bracket 29, and the bolt 55 is inserted into the bolt hole 12 of each suspension rod 51 and the bolt hole 54 of the mounting bracket 29 and tightened with a nut 56. .

  According to the said structure, it becomes possible to attach a pair of suspension rod 51 to a bifurcated shape easily, without using the bifurcated mounting bracket 21 shown to FIG. 4 and FIG. Further, if a tool for bending the flat plate portion 53 is used, it is possible to finely adjust the bending angle at the installation site.

  As mentioned above, although the form for implementing this invention was demonstrated, this invention is not limited to the said embodiment, In the range which does not deviate from the meaning of this invention, a design change is possible suitably. For example, in the above-described embodiment, the cover pipes 15, 32, and 43 are formed of aluminum alloy or stainless steel. However, the present invention is not limited to this, and may be formed of a resin or an elastic body. In this case, the surface of the cover pipe may be a surface treatment similar to the surface of each rod, or may be a completely different surface treatment or a design accent as a color.

It is the perspective view which showed the best form for implementing the suspension rod which concerns on this invention. It is the disassembled perspective view which showed the best form for implementing the hanging rod which concerns on this invention. (A) which showed the fastening method of the suspension rod which concerns on this invention is 1st process explanatory drawing, (b) is 2nd process explanatory drawing. FIG. 2A is a plan view and FIG. 2B is a side view showing a bifurcated mounting bracket for supporting a hanging rod according to the present invention in a bifurcated shape. (A) which showed the attachment state of the suspension rod which concerns on this invention is a top view, (b) is a side view. (A) which showed the best 2nd form for implementing the hanging rod which concerns on this invention is sectional drawing before clamping, (b) is sectional drawing after clamping. It is sectional drawing which showed the best 3rd form for implementing the hanging rod which concerns on this invention. It is the top view which showed the best 4th form for implementing the hanging rod which concerns on this invention. It is the side view which showed the conventional turnbuckle. It is the perspective view which showed the other conventional turnbuckle. It is sectional drawing which showed other conventional turnbuckles.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hanging rod 2 (1st) Rod 3 (2nd) Rod 4 Turn buckle part 15 Cover pipe 19 Trunk part

Claims (3)

In a suspension rod provided with a turnbuckle portion for bringing the pair of rods close to and away from each other between a pair of rods arranged on the same axis,
A suspension rod comprising a cylindrical cover pipe that covers the turnbuckle portion between the pair of rods.   The suspension rod according to claim 1, wherein the cover pipe is configured to have a cross-sectional outline similar to that of the pair of rods. In the tightening method of the suspension rod that tightens the turnbuckle portion provided between the pair of rods arranged on the same axis and moves the pair of rods close to and away from each other,
Cover the body of either one of the pair of rods with a cover pipe in advance and retract, tighten the turnbuckle part, then move the cover pipe to the periphery of the turnbuckle part, A method for tightening a suspension rod, comprising covering the turnbuckle portion.

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