JP2013028974A - Handrail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a handrail including a handrail mounting part in which mounting workability is improved and a connection strength is high with respect to a strong impulse load to a handrail body, when linearly or non-linearly installing the handrail body to be provided successively.SOLUTION: A handrail mounting part 4 is provided in a support part 6 for struts erected at predetermined intervals, and a terminal portion of a handrail body 3 connected and fixed to the handrail mounting part 4 is placed in a receiving part 7 by inserting an elastic sleeve 9 thereto. The terminal portion of the handrail body 3 is held between the receiving part 7 and a cover 8 by penetrating a boss 80 of the cover 8 from an upper side through the sleeve 9 and the handrail body 3 to position the receiving part 7 and both edges of the cover 8 inside of a flange 90 of the sleeve 9 and to prevent them from being exposed on an outer surface. A thread 11 is screwed and connected from a lower portion of the receiving part 7 to the boss 80 of the cover 8.

Description

  The present invention relates to a handrail installed in a public space such as a walking path / promenade of a park, a plaza, a riverbed, or an outdoor structure. It relates to the handrails you have.

  Conventionally, for the purpose of safely using public spaces, handrails for assisting walking of pedestrians are provided as necessary. The handrail has a handrail main body connected to a support portion fixed to a wall surface of a structure or a side surface of a support (Patent Document 1, Patent Document 4), and an upper end of the support. What is connected by the handrail attachment part provided (patent document 2, patent document 3) etc. is known.

  In Patent Document 1, a connecting member in which a female screw is formed is inserted inside the butted end portion of the handrail body mounted on the handrail receiving metal fitting, and the male screw is tightened to the female screw of the connecting member from below the handrail receiving metal fitting, A handrail structure is disclosed in which a butt end portion of a handrail main body provided continuously is fixed and a cover is provided on the butt end portion.

  In Patent Document 2, the elastic cylinder part main body of the clamping clamp is elastically deformed and slightly opened to the left and right, and after inserting the end part of the handrail main body provided continuously with the cylinder part main body, the clamping piece is secured with bolts and nuts. A handrail structure has been disclosed in which the inner diameter of the elastic cylinder portion main body is reduced by tightening firmly, and the holding piece is held and fixed to the bracket in an immobile state.

  In Patent Document 3, an end portion of a handrail body is fitted into a fitting hole of a handrail fixing body in which a taper portion that expands outward is formed at an open end, and the handrail body has an inclination angle of the taper portion. Disclosed is a handrail structure in which the handrail body is fixed to the handrail fixing body by tilting within the range, inserting a fixing screw into the through hole at the end of the handrail body, and screwing a cap nut to the protruding portion of the fixing screw Has been.

  In Patent Document 4, the end of each handrail main body connected to the handrail main body receiving portion of the handrail fixing bracket fixed to the mounting base with the bracket fixing screw is fastened and fixed by the handrail main body fixing screw. A handrail structure is disclosed in which a cover is fitted from above and fixed to an end portion of each handrail main body with a cover fixing screw.

JP-A-10-306566 JP 2002-322882 A Japanese Patent Laid-Open No. 10-159395 JP 2001-214591 A

The conventional handrail mounting part has a structure in which a connecting member such as a cover or a clamping clamp is in direct contact with the outer peripheral surface of the handrail main body. There was a thing.
In addition, when the handrail body is installed non-linearly, the center line of the handrail body is connected obliquely with respect to the center line of the handrail mounting section, so that the coupling force with the handrail mounting section tends to be insufficient, and the bolt Depending on the degree of tightening, it may cause impact and decrease in connection strength.
The present invention is provided with a handrail mounting portion that is excellent in mounting workability and has high connection strength against a strong impact load on the handrail main body when the handrail main body to be provided is installed linearly or non-linearly. To provide handrails.

The present invention is a handrail in which pillars are erected at predetermined intervals at an installation place, and a handrail main body is connected and fixed by a handrail attachment part provided on the pillar, wherein the handrail attachment part is fixed to a support part of the pillar, A receiving portion having a screw hole coinciding with a hole formed in an end portion of the handrail main body, and is formed to have the same length as the receiving portion, and the receiving portion is arranged with the handrail main body in between. A cover on which a boss having an internal thread is fixed in alignment with the screw hole of the receiving portion, and a flange that is in contact with both end surfaces of the receiving portion and the longitudinal direction of the cover, and an end portion of the handrail main body An elastic sleeve fitted to the outer periphery, and an end of the handrail body is placed on a receiving portion with the sleeve interposed therebetween, and the cover boss penetrates the sleeve and the handrail body from above. Let me Only clamping the end parts and the handrail main body by the cover, through the screw from the lower side of the receiving portion, and wherein the connecting threaded into the boss of the cover.
In the present invention, a semicircular ridge that is concentric with the sleeve and equal to the thickness of the receiving portion and the cover is formed on one half of the sleeve with a line passing through the screw hole of the receiving portion and the boss of the cover as a boundary. The other half is formed with a semi-elliptical hook at the center of the sleeve continuous with the hook, and the inside of the spread formed by the two handrail bodies installed non-linearly with the handrail mounting portion as a connection base point A semicircular scissors and a semi-elliptical scissors are arranged on the outside, and the handrail body is connected and fixed to the handrail mounting portion.

  According to the present invention, since the collar of the sleeve is in contact with both end faces of the receiving portion and the cover, slipping is suppressed by the elasticity of the sleeve, and it can be gripped securely and can walk safely and securely. In addition, since both edge portions of the cover are not exposed to the outer surface due to the sleeve collar, there is no injury even if the hand is slid while grasped. Furthermore, when a strong impact is applied to the handrail body, the sleeve's elasticity absorbs bending stress to the handrail body, minimizing damage to the receiving part and cover, and maintaining the handrail function. can do. Furthermore, since the boss with the internal thread is integrated with the cover and the handrail body, the receiving part and the cover can be attached in one step, the workability is improved and the internal thread boss and the screw of the cover are connected through the handrail body. Therefore, high impact strength and connection strength can be obtained.

FIG. 1 is a front view showing an installation state of the handrail of the present invention. FIG. 2 is a side view taken along the line AA in FIG. FIG. 3A is a front view of a handrail attachment portion. FIG. 3B is a side view of the handrail attachment portion. FIG. 4A is a partial cross-sectional view of a handrail attachment portion. 4B is a cross-sectional view taken along the line BB in FIG. 4A. FIG. 5A is a partial cross-sectional view of a handrail attachment portion. FIG. 5B is a side view of the components of the handrail mounting portion. FIG. 6A is a plan view of the sleeve. 6B is a cross-sectional view taken along the line CC of FIG. 6A. FIG. 7 is a partial cross-sectional view showing another embodiment of the handrail attachment portion. FIG. 8A is a plan view showing another embodiment of the sleeve. 8B is a cross-sectional view taken along the line DD of FIG. 8A.

In the present invention, the end of the handrail body is placed on the receiving portion by inserting an elastic sleeve into the end portion of the handrail body, and the end of the handrail body is inserted by the receiving portion and the cover through the sleeve boss and the handrail body from above. This is realized by holding the part, passing a screw from below the receiving part, and screwing and connecting to the boss of the cover, so that the sleeve collar does not expose the both end edges of the receiving part and the cover to the outer surface.
Embodiments of the present invention will be described below with reference to the drawings.

  1 is a front view showing an installation state of the handrail of the present invention, FIG. 2 is a side view taken along the line AA of FIG. 1, FIG. 3A is a front view of a handrail mounting portion, and FIG. 3B is a side view of the handrail mounting portion. It is. In the present embodiment, the handrail attachment portion for connecting the handrail main body will be described by a handrail provided on the side portion of the support column.

  The handrail 1 includes a support column 2, a handrail body 3, and a handrail attachment portion 4. The support column 2 is composed of a metal pipe, is erected by foundation concrete 5 at a predetermined interval at an installation location, and one or a plurality of support portions 6 are fixed to a predetermined height by welding or the like. The handrail body 3 is composed of a metal pipe, and a long hole 30 (see FIG. 4A) extending in the longitudinal direction for fixing to the handrail mounting portion is opposed to both ends and penetrates in the vertical direction. Is provided. The support portion 6 is fixed at substantially the center of the bowl-shaped receiving portion 7 having the same curvature as the outer peripheral surface of the handrail main body 3. The cover 8 cooperates with the receiving portion 7 to pinch and hold the end portion of the handrail main body 3 and is formed in a bowl shape having the same curvature as the outer peripheral surface of the handrail main body 3. The sleeve 9 has an end portion of the handrail main body 3 fitted therein, and the receiving portion 7 and the cover 8 are arranged on the outer periphery of the sleeve. A cap 10 is attached to the upper end of the column 2.

  Next, the handrail attachment portion will be described in detail. 4A is a partial cross-sectional view of the handrail mounting portion, FIG. 4B is a cross-sectional view along BB of FIG. 4A, FIG. 5A is a front view of the parts constituting the handrail mounting portion, and FIG. 6A is a plan view of the sleeve, and FIG. 6B is a cross-sectional view taken along the line CC of FIG. 6A.

  The receiving portion 7 has a mounting piece 71 fixed to the center of the lower surface by welding or the like, and two screw holes 70 are formed at predetermined positions inside from both ends in the longitudinal direction. The cover 8 has a boss 80 provided with a female screw facing the screw hole 70 of the receiving portion 7 and fixed to the inside by welding or the like. The corner portions of the edges of the receiving portion 7 and the cover 8 are rounded to prevent the edges from being injured when the pedestrian grips the portion.

  The sleeve 9 is molded into a cylinder with an elastic material such as rubber, and a flange 91 substantially equal to the thickness of the receiving portion 7 and the cover 8 is formed at both ends. It is equal to the length of the cover 8. A long hole 90 is formed in the sleeve 9 so as to coincide with the screw hole 70 of the receiving portion 7 and the boss 80 of the cover 8.

The assembly of the handrail of the present embodiment will be described.
An attachment piece 71 of the receiving portion 7 is fixed to the support portion 6 of the support column 2. The sleeve 9 is fitted and inserted into both ends of the handrail body 3 so as to align the positions of the holes. The handrail main body 3 is placed on the receiving portion 7 provided adjacently, and the end portion of the handrail main body 3 that is similarly provided is inserted from the opposite side of the sleeve 9 and the end surfaces of the handrail main bodies 3 are abutted against each other. After the boss 80 of the cover 8 is passed through the through-hole 90 of the sleeve 9, the cover 8 is attached to the outer periphery of the sleeve 9, and it is confirmed that the receiving portion 7 and the cover 8 are positioned inside the flange 90 of the sleeve 9. Then, the screw 11 is passed through the screw hole 70 of the receiving portion 7 from below, screwed into the female screw of the boss 80 of the cover 8, and tightened so that the sleeve 9 is interposed between the receiving portion 7 and the cover 8 and the end portion of the handrail body 3 is moved. Clamp and connect and fix. Similarly, the handrail body 3 is sequentially connected.

The effect | action of the handrail of a present Example is demonstrated.
When a pedestrian walks using the handrail 1, if the handrail mounting portion 4 is gripped, the sleeve 9 has hooks 91 between the both ends of the cover 8 and the handrail body 3, so that slippage is caused by the elasticity of the sleeve 9. It can be gripped securely and can walk safely and securely. Further, since both end edges of the cover 8 are not exposed to the outer surface by the flanges 91 of the sleeve 9, there is no injury even if the hand is slid while gripped. Further, when a large load, that is, a strong impact is applied to the handrail body 3, if the sleeve 9 is not provided, bending stress acts on the receiving portion 7 and the cover 8 to deform the member, or in some cases, the handrail body 3 However, if the sleeve 9 is present, the bending stress is absorbed by the elasticity of the sleeve 9, and the internally threaded boss 80 and the screw 11 of the cover 8 are connected through the handrail body 3, Since the impact resistance is enhanced, damage to the receiving portion 7 and the cover 8 can be minimized, and the function of the handrail can be maintained.

  Another embodiment of the present invention will be described. FIG. 7 is a partial cross-sectional view showing another embodiment of the handrail attachment portion, FIG. 8A is a plan view showing another embodiment of the sleeve, and FIG. 8B is a cross-sectional view taken along the line DD in FIG. 8A. A present Example is related with the sleeve used when connecting a handrail main body in a handrail attachment part as shown in FIG.

  When the two handrail main bodies 3 and 3 connected in series are installed in the handrail mounting portion 4 so that the directions of the respective centerlines are reversed and installed in a non-linear manner, the handrail mounting portion is used as a connection base point. The inner side and the outer side are formed by the spread formed by the two handrail main bodies. In such an installation specification, when the flange 91 of the sleeve 9 has the same thickness as the receiving portion 7 and the cover 8, the flange 91 of the sleeve 9 and the edge of the receiving portion 7 and the cover 8 are arranged on the outer side (upper side in FIG. 7). A step is formed between the first and second portions, and the end edge portion is exposed on the outer surface. Therefore, when the handrail attaching portion 4 is gripped, a sense of incongruity is given. In order to eliminate the step, the flange 91 of the sleeve 9 in a range where the step is generated is formed to be large by the amount corresponding to the step.

  As shown in FIG. 8B, the sleeve 9 is concentric with the sleeve 9 and has a receiving portion 7 on one half of the long hole 90, that is, a line passing through the screw hole 11 of the receiving portion 7 and the boss 80 of the cover 8. A semicircular collar 91 having a height t1 equal to the thickness of the cover 8 is formed, and a semi-elliptical collar 91 at the center of the sleeve is changed from the height t1 to t2 in the other half in a manner continuous to the collar 91. Is formed. Here, t1 <t2. The ellipse is designed so that the minor axis is equal to the diameter of the semicircular ridge 91 and the major axis is equivalent to the step.

The assembly of the handrail attachment part of a present Example is demonstrated.
The sleeve 9 is fitted and inserted into both ends of the handrail body 3 so as to align the positions of the holes. At this time, a semicircular ridge 91 is formed on the inner side and two semi-elliptical ridges 91 are formed on the outer side, which are formed by two handrail bodies installed in a non-linear manner. The handrail main body 3 is placed on the receiving portion 7 provided adjacently, and the end portion of the handrail main body 3 that is similarly provided is inserted from the opposite side of the sleeve 9, and the end surfaces of the two handrail main bodies 3 and 3 are non-linearly arranged. Match. After the boss 80 of the cover 8 is passed through the through-hole 90 of the sleeve 9, the cover 8 is attached to the outer periphery of the sleeve 9, and it is confirmed that the receiving portion 7 and the cover 8 are positioned inside the flange 90 of the sleeve 9. Then, the screw 11 is passed through the screw hole 70 of the receiving portion 7 from below, screwed into the female screw of the boss 80 of the cover 8, and tightened so that the sleeve 9 is interposed between the receiving portion 7 and the cover 8 and the end portion of the handrail body 3 is moved. Clamp and connect and fix.

DESCRIPTION OF SYMBOLS 1 Handrail 2 Support | pillar 3 Handrail main body 4 Handrail attachment part 5 Foundation concrete 6 Support part 7 Receiving part 8 Cover 9 Sleeve

Claims (2)

In a handrail in which pillars are erected at predetermined intervals at an installation location, and a handrail main body is connected and fixed by a handrail mounting portion provided in the pillar,
The handrail mounting portion is fixed to the support portion of the support column and has a receiving portion having a screw hole that matches a hole formed in an end portion of the handrail main body, and is formed to have the same length as the receiving portion. The receiving portion is arranged with the handrail main body interposed therebetween, and is in contact with a cover to which a boss having an internal thread is fixed in alignment with the screw hole of the receiving portion, and both end surfaces in the longitudinal direction of the receiving portion and the cover. And a sleeve having elasticity that is fitted to the outer periphery of the end portion of the handrail body, and a collar that is in contact therewith is formed.
An end portion of the handrail body is placed on a receiving portion with the sleeve interposed therebetween, and a boss of the cover is passed through the sleeve and the handrail body from above, and the end portion of the handrail body is moved by the receiving portion and the cover. A handrail characterized in that the handrail is sandwiched, passed through a screw from below the receiving portion, and screwed into and connected to a boss of the cover.   The sleeve has a semicircular ridge concentric with the sleeve and equal to the thickness of the receiving portion and the cover on one half of the line passing through the screw hole of the receiving portion and the boss of the cover. A semi-elliptical ridge at the center of the sleeve is formed continuously with the ridge, and a semicircular shape is formed on the inner side of the extension formed by the two handrail main bodies installed non-linearly with the handrail attachment portion as a connection base point. The handrail according to claim 1, wherein a semi-elliptical scissors are arranged on the outer side, and the handrail main body is connected and fixed to the handrail attaching portion.

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