JP2006257756A - Handrail supporting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a handrail supporting device capable of simply, efficiently and stably mounting a handrail. <P>SOLUTION: Connecting pieces 3a and 3b are formed in one end section of a pair of arcuate clamp arms 2a and 2b along the outer circumference of the handrail A, the connecting pieces 3a and 3b are connected with a pin 4 to form a clamp 1 enabling a pair of clamp arms 2a and 2b to open and close. A pair of clamp arms 2a and 2b are pushed toward the closing direction by a leaf spring 20. An engaging piece 8 is formed in the outside end section of each of the connecting pieces 3a and 3b. An insertion hole 14 of the connecting pieces 3a and 3b is formed in one end face of a bracket 10 mounted on a wall surface, and an engaging step section 16 is provided to the inner circumference of the insertion hole 14. The handrail A is held between a pair of clamp arms 2a and 2b of the clamp 1, a pair of connecting pieces 3a and 3b are inserted in the insertion hole 14 to engage the engaging piece 8 with the engaging step section 16, and the clamp 1 and the bracket 10 are held in a connecting state by the engagement to stabilize the mounting of the handrail A. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a handrail support used when attaching a handrail made of a round bar.

  When a handrail is attached along the wall surface, a handrail support is attached to the wall surface to support the handrail.

  As this type of handrail support, a mounting seat is provided at one end of a bracket having a bent portion of approximately 90 °, a support piece is integrally formed at the other end, the mounting seat is screwed to the wall surface, and the other end It is known that the handrail is supported by the support piece and the handrail is fixed by tightening a wood screw screwed into the handrail from below the support piece.

  However, in the handrail support tool described above, it is necessary to screw a wood screw into the handrail from below the support piece.

  In order to eliminate the inconvenience as described above, a bracket having a bent portion of approximately 90 ° is attached to a wall surface, and a clamp having a pair of clamp arms that can be opened and closed is provided at the upper end of the bracket. A handrail that puts a handrail on the clamp arm in an open state and swings the pair of clamp arms in the closing direction by rotating the tightening screw so that the handrail is clamped by the pair of clamp arms. Supports have been proposed.

  The handrail support tool is characterized in that it is not necessary to perform any processing on the handrail and the handrail can be fixed by rotating the tightening screw, so that the handrail can be easily attached.

  By the way, in the handrail support having a tightening screw, the tightening screw is likely to be loosened, and the looseness causes rattling of the handrail, so that a stable attachment cannot be maintained for a long time.

  An object of the present invention is to provide a handrail support that can easily and efficiently attach a handrail and can maintain a stable attachment over a long period of time.

  In order to solve the above-described problems, the present invention has a pair of arc-shaped clamp arms along the outer periphery of the bar-shaped handrail, and rotatably connects the connecting pieces formed at one end of each clamp arm. A clamp with a pair of clamp arms that can be opened and closed, a leaf spring that presses the pair of clamp arms in the closing direction, and a bent part of approximately 90 °, with one end facing upward The bracket comprises a bracket for attaching an end to a wall surface, and an engagement piece is formed at an outer end portion of each connection piece in the clamp. The bracket is provided with an insertion hole for inserting a connection piece that opens at one end surface thereof, and the insertion is performed. A configuration is adopted in which an engagement step portion that engages with the engagement piece is formed in a state in which a pair of clamp arms that sandwich the handrail is supported by one end surface of the bracket on the inner periphery of the hole.

  In the handrail support tool configured as described above, the bracket is screwed to the wall surface, the pair of clamp arms supported by the upper end of the bracket is opened against the elasticity of the leaf spring, and the After placing the bar-shaped handrail, the pair of clamp arms are swung in the closing direction by the elasticity of the leaf springs, the handrail is held between the pair of clamp arms, and the engagement piece is engaged with the engagement step. Connect the clamp to the bracket. Alternatively, after holding the handrail between the pair of clamp arms, the connecting piece is inserted into the insertion hole of the bracket, and the engaging piece is engaged with the engaging step portion to connect the clamp to the bracket.

  Here, each connecting piece is formed with a pin hole that matches with the pair of clamp arms sandwiching the handrail, and a screw hole corresponding to the pin hole is provided at one end of the bracket. By inserting the tip of the screw-engaged mounting screw into the pin hole and fixing the clamp, the pair of clamp arms can be locked in the closed state, and the engaging piece is engaged with the engaging step. Since it can hold | maintain in the state to match, a handrail can be reliably hold | maintained in an attachment state.

  In addition, the connecting piece is inserted into the insertion hole by forming a tapered surface on the inner circumference of the insertion hole to contact and guide the engaging piece when the connecting piece is inserted into the insertion hole to open the pair of clamp arms. The engaging piece can be automatically engaged with the engaging step portion by a simple operation.

  As described above, according to the present invention, the clamp can be attached to the bracket by inserting the connecting piece of the clamp into the insertion hole of the bracket, and the pair of clamp arms of the clamp are moved in the closing direction by pressing the leaf spring. Since the handrail can be held by swinging, the handrail can be attached very simply and efficiently.

  Moreover, since a pair of clamp arm is pressed by the leaf | plate spring in the closing direction, the stable attachment state can be maintained over a long period of time.

  Further, the pair of clamp arms can be locked in a closed state by inserting the tip of the mounting screw engaged with the screw hole of the bracket into the pin hole formed in the connecting piece, and the engaging piece can be engaged. Since it can hold | maintain in the state engaged with a stepped part, a handrail can be reliably hold | maintained in the stable attachment state.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in the figure, the handrail support tool according to the present invention includes a clamp 1 that holds a round bar-like handrail A, and a bracket 10 that supports the clamp 1.

  The clamp 1 is provided with a pair of left and right connecting pieces 3a and 3b at each end of a pair of arcuate clamp arms 2a and 2b along the outer periphery of the handrail A, and the connecting pieces 3a and 3b are connected by pins 4. The pair of clamp arms 2a and 2b can be freely opened and closed.

  A cushion material 5 is attached to each inner surface of the pair of clamp arms 2a, 2b. Further, a hole 6 extending from the outer peripheral surface to the inner peripheral surface is formed at the end of the pair of clamp arms 2a, 2b on the opening / closing center side.

  A U-shaped leaf spring 20 is provided between the pair of left and right connecting pieces 3b. Both ends of the leaf spring 20 are inserted into the holes 6 formed in the pair of clamp arms 2 a and 2 b, and bent pieces 21 provided at both ends of the leaf spring 20 are formed on the inner surfaces of the holes 6. The step 6a is engaged. The leaf spring 20 presses the pair of clamp arms 2a and 2b in the closing direction.

  Pin holes 7 and 7 are provided in the connecting pieces 3a and 3b formed in the pair of clamp arms 2a and 2b. The pin holes 7 and 7 are made to coincide with each other when the pair of clamp arms 2a and 2b sandwich the handrail A. Further, an engaging piece 8 is formed at the outer end of each connecting piece 3a, 3b.

  The bracket 10 has a bent portion 10a of approximately 90 °. The bracket 10 is fixed to the wall surface W by tightening a screw C screwed into an anchor B embedded in the wall surface W. At this time, the other end of the bracket 10 is attached to the wall surface W with one end facing upward. In order to conceal the head of the screw C, the bracket 10 is hollow inside, and a window 12 closed by a cover 11 is provided in the bracket 10, and the screw C is tightened from the window 12.

  An arc surface 13 is formed on the upper end surface of the bracket 10 along the outer periphery of each clamp arm 2a, 2b of the clamp 1, and the pair of connecting pieces 3a, 3b of the clamp 1 are inserted into the arc surface 13 A hole 14 is formed. In the inner periphery of the insertion hole 14, there are a tapered surface 15 that contacts and guides the engaging piece 8 to open the pair of clamp arms 2 a and 2 b when the pair of connecting pieces 3 a and 3 b are inserted, and a lower portion of the tapered surface 15. An engagement step portion 16 is formed with which the engagement piece 8 can be engaged. The engagement piece 8 is engaged with the engagement step portion 16 in a closed state in which the pair of clamp arms 2 a and 2 b sandwich the handrail A, and prevents the connection pieces 3 a and 3 b from coming out of the insertion hole 14.

  Further, a screw hole 17 is formed at one end of the bracket 10 at a position corresponding to the pin hole 7 formed in the connecting pieces 3a and 3b, and the tip of the mounting screw 18 screwed into the screw hole 17 is formed. Can be inserted into the pin hole 7.

  The handrail support tool shown in the embodiment has the above-described configuration. When attaching the handrail A, the handrail A is fixed in a state where the bracket 10 is fixed to the wall surface W and the clamp 1 is connected to one end of the bracket 10. A may be attached, or the clamp 1 may be connected to the bracket 10 with the clamp 1 attached to the handrail A.

  When attaching the handrail A with the clamp 1 connected to one end of the bracket 10, the pair of clamp arms 2a and 2b are opened as shown in FIG. 3, and the handrail A is placed thereon. After that, the pair of clamp arms 2a and 2b are closed by the elasticity of the leaf spring 20, and the handrail A is held between the pair of clamp arms 2a and 2b.

  Here, when the pair of clamp arms 2a and 2b are opened, the engagement piece 8 is disengaged from the engagement step portion 16, and the pair of clamp arms 2a and 2b swings in the closing direction by the elastic force of the leaf spring 20 and is handrailed. When A is clamped, the engagement piece 8 is engaged with the engagement step portion 16, and the clamp 1 is prevented from moving upward by the engagement.

  On the other hand, when attaching the clamp 1 to the handrail A in advance and connecting the clamp 1 to the bracket 10, the connecting pieces 3 a and 3 b are inserted into the insertion holes 14 of the bracket 10. At the time of insertion, the pair of clamp arms 2a, 2b are released by the contact movement of the engagement piece 8 with respect to the tapered surface 15, and when the pair of clamp arms 2a, 2b are supported by the arc surface 13, the elasticity of the leaf spring 20 is achieved. As a result, the pair of clamp arms 2a and 2b swings in the closing direction to clamp the handrail A. Further, the engagement piece 8 is engaged with the engagement step portion 16 to prevent the clamp 1 from moving upward.

  When the handrail A is supported by the bracket 10 as described above, the pin holes 7 formed in the connecting pieces 3a and 3b coincide. Therefore, when the mounting screw 18 is screwed into the screw hole 17 provided at one end of the bracket 10 and the mounting screw 18 is inserted into the pin hole 7, the pair of clamp arms 2a and 2b are in a closed state holding the handrail A. Since the engagement piece 8 is held in a state of being engaged with the engagement step portion 16 while being locked, the handrail A can be reliably held in the attached state.

Vertical side view showing an embodiment of a handrail support according to the present invention Partially cutaway front view of the handrail support shown in FIG. Sectional drawing which shows the open state of the clamp of the handrail support tool shown in FIG. Sectional view showing the connection between bracket and clamp

Explanation of symbols

A Handrail W Wall surface 1 Clamp 2a, 2b Clamp arm 3a, 3b Connection piece 7 Pin hole 8 Engagement piece 10 Bracket 10a Bending part 14 Insertion hole 15 Tapered surface 16 Engagement step part 17 Screw hole 18 Mounting screw 20 Leaf spring

Claims (3)

  A clamp having a pair of arc-shaped clamp arms along the outer periphery of the bar-shaped handrail, and a pair of connecting arms formed at one end of each clamp arm rotatably connected to open and close the pair of clamp arms; The clamp comprises a leaf spring that presses a pair of clamp arms in a closing direction, and a bracket that has a bent portion of approximately 90 ° and that has one end facing upward and the other end attached to the wall surface. A pair of clamps that form an engaging piece at the outer end of each connecting piece, the bracket is provided with an insertion hole for inserting a connecting piece that opens at one end surface, and a handrail is sandwiched between the inner periphery of the insertion hole A handrail support having an engagement step portion with which the engagement piece engages in a state where the arm is supported by one end surface of the bracket.   A pin hole is formed in each connecting piece so that a pair of clamp arms sandwich a handrail, and a screw hole corresponding to the pin hole is provided at one end of the bracket. The handrail support tool according to claim 1, wherein a clamp is fixed by inserting a tip end portion of a combined mounting screw into the pin hole.   The handrail support tool according to claim 1 or 2, wherein a taper surface is formed on an inner periphery of the insertion hole to contact and guide the engagement piece when the connection piece is inserted into the insertion hole to open a pair of clamp arms. .

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