JP3173029U - Stair railing - Google Patents

Abstract

A plurality of people can use a stair rail at the same time, and use a pulling force of a compression spring to assist the climbing of a stair easily without using a complicated device having a drive device or a drive transmission mechanism. Provide a handrail with a simple structure.
A plurality of grips 5 gripped by a person climbing the stairs 1 are arranged at intervals on the stair railing 3, and the grips 5 are pivotally attached to the upper part of a pair of support bars 7 in front and rear. At the same time, the lower part of each support bar 7 is pivotally attached to the stair handrail 3 so that the grip bar 6 can be moved in parallel up and down, and one end of the compression spring 11 is fixed to the fixing member 9 on the up-stairs side. Then, the other end is fixed to the support rod 7 on the stairs descending side, and pulling the grip portion 5 gives a pulling force to the person climbing the stairs.
[Selection] Figure 1

Description

  The present invention is a staircase that can assist each person to pull up the stairs and make it easy to climb up the stairs when multiple people try to grab the stairs handrail at the same time, such as a staircase in a station. Regarding handrails.

  For elderly people and people with physical disabilities, climbing stairs is hard and requires physical strength, and is often difficult. Therefore, various auxiliary devices have been proposed in order to assist climbing up the stairs and climb easily.

  For example, Patent Document 1 proposes a stair climbing assist device that makes it easy to climb to the second floor by gripping a grip when climbing a stair. This stair-climbing assisting device has a round-trip cableway stretched between the pulleys provided at the upper and lower ends of the staircase, and a lower portion of the round-trip cableway is provided with a gripping part that assists raising and lowering. A heavy object is attached, and the heavy object moves up and down in conjunction with the grip, and the center of gravity of the heavy object allows the user to move up and down the stairs with less energy.

  Patent Document 2 provides a stair railing that can be moved up and down safely. This stair handrail is composed of a handrail body, a lifting assist tool, and a drive wire. The handrail body is a cylindrical body having a slit-like opening formed in the side wall in the longitudinal direction. The sliding member is slidably inserted into the cylinder of the stair railing main body, the grip protrudes from the opening of the railing main body, and the driving wire connected to the driving device is connected to the driving rail. Another drive wire is connected to the upper end of the sliding member through the inside and connected to the lower end through the handrail main body, so that the raising / lowering assisting tool can be raised and lowered.

  In Patent Documents 1 and 2, a drive device such as a motor and a drive transmission mechanism for transmitting a driving force to the grip portion are required to drive the grip portion. Therefore, the structure is complicated and the cost is increased. However, there is a problem that safety measures are also required because the person who moves up is forcibly moved.

  Therefore, as shown in Patent Document 3, the applicant of the present application is a simple device that assists the climbing of the stairs with ease by using the pulling force of the spring without using a complicated device having a drive device or a drive transmission mechanism. A structure stair rail was proposed.

  FIG. 7 is a schematic diagram of a stair rail with an auxiliary device shown in Patent Document 3. In FIG. 7, both ends of the stair rail 23 supported between the upper and lower columns 22a and 22b of the stair 21 are shown. The support columns 24 of the respective columns 22a and 22b are slidably supported. One end of a connecting wire 25 is connected to both ends of the stair rail 23, and the other end of the connecting wire 25 is connected to the upper end of a compression spring 26 whose lower end is fixed to the lower part of the columns 22a and 22b.

  A connecting wire 25 connected to the upper end of the compression spring 26 extends vertically in the columns 22a and 22b, is further guided in the horizontal direction by a horizontal guide roller 27, and is connected to the end of the stair rail 23 in the support tube 24. Has been. The stair railing 23 is supported between the columns 22a and 22b while being maintained in a state of being pulled in opposite directions by the respective compression springs 26 disposed in both columns.

  In this stairs handrail with an auxiliary device, a person who goes up the stairs 21 holds the stairs handrail 23, puts one foot on the step one step above, moves his body upward while bending the arm and pulling the stairs handrail 23. Put your feet on one step or two steps. At that time, when the stair railing 23 is pulled, a force that pulls up the staircase 1 by the compression spring 26 is applied, and the pulling force is given as a force that pulls up the person who can move up. In this way, each time a step is taken, a force for pulling up the person to be climbed is obtained by grasping and pulling the stair rail 23 so that the stairs can be easily climbed.

JP 2008-214094 A JP 10-338442 A Utility Model Registration No. 3166070

  In the stair rail with an auxiliary device described in Patent Document 3, when one person grasps and pulls the stair rail 23, the other person cannot pull it, so that it cannot be used at the same time. There is a problem that it cannot be applied to stairs used by multiple people at the same time, such as stairs of public facilities such as footbridges.

  Therefore, the present invention can be used simultaneously by a plurality of persons and assists the climbing of the stairs easily by using the pulling force of the compression spring without requiring a complicated device having a drive device or a drive transmission mechanism. It is intended to provide a handrail with a simple structure that can be used.

  According to the first aspect of the present invention, a plurality of grip portions each having a grip bar gripped by a person climbing the stairs are arranged at intervals on the stair handrail, and the grip portion has the other end of a compression spring fixed at one end to the handrail. A stairs handrail characterized in that it is connected and biased to the upside of the stairs, and a pulling force is applied to a person who goes up the stairs by pulling the grip bar to the downside of the stairs.

  The invention of claim 2 is characterized in that the grip part is pivotally attached to the upper part of the pair of support bars at the front and rear of the grip bar, and the lower part of each support bar is pivotally attached to the stair rail. 2. The staircase according to claim 1, wherein the staircase is provided in a vertically movable manner, one end of the compression spring is fixed to the fixing member on the stair-up side, and the other end is fixed to the support rod on the down-side. It is a handrail.

  In the invention of claim 3, the grip portion is fixed to the upper portions of the pair of support rods at the front and rear of the grip rods, the lower ends of the respective support rods are connected by the guide rods, and the guide rods are fixed to the bottom portion of the handrail. The gripping part is slidably guided by the guide rollers provided on the upside and downside fixing members of the stairs, and the grip part is provided so as to be movable up and down the stairs. The stair railing according to claim 1, wherein one end of the compression spring is fixed to a fixing member on the lower side of the staircase.

  The stairs handrail of the present invention has a plurality of grip portions with grip bars arranged at intervals, so that when multiple people are going up the stairs, each person can grip a separate grip bar. When the grasping rod is grasped and pulled, a force that pulls up the stairs by the compression spring acts on the grip portion to raise the person who goes up, so that a plurality of people can easily climb the stairs at the same time.

  Moreover, since the stair rail of the present invention does not require a drive device or a drive transmission mechanism, a stair hand rail having a simple structure can be obtained.

It is the schematic which shows the whole 1st Example of this invention. It is an enlarged view of the grip part of FIG. It is a longitudinal cross-sectional view which shows the inside of the handrail of the grip part of FIG. It is the schematic which shows the whole 2nd Example of this invention. It is an enlarged view of the grip part of FIG. It is a longitudinal cross-sectional view which shows the inside of the handrail of the grip part of FIG. It is the schematic of the conventional stair railing with an auxiliary device.

  Embodiments of the present invention will be described with reference to the drawings.

<Example 1>
In FIG. 1 to FIG. 3, the stair rail of the present embodiment is arranged on one side or both sides of the staircase 1, and supports 2 a and 2 b erected on the uppermost and lowermost steps of the staircase 1, and the two struts 2 a and 2 b. It consists of a stair railing 3 supported in between. A grip portion 5 is arranged on the stair railing 3 at an interval. The stair railing may be attached to the wall.

  The grip portion 5 is formed in a gate shape by a grip rod 6 and a pair of support rods 7 pivotally attached to the front and rear of the grip rod 6. The front and rear of the grip bar 6 are pivotally attached to the upper parts of a pair of support bars 7 by pins 8, and the lower parts of the support bars 7 are fixed members on the upside and downside of the staircase 1 fixed to the bottom of the staircase handrail 3. 9 is pivotally attached to a pin 10 by a pin 10. The upper portion of the support bar 7 extends outwardly from a slit formed in the longitudinal direction of the handrail 3 on the upper surface of the handrail 3. With this structure, if the gripping rod 6 is gripped and pulled down the stairs, the gripping rod 6 can be translated downward from a fixed position.

  One end of the compression spring 11 is fixed to the fixing member 9 on the stair-up side, and the other end is fixed to the support rod 7 on the down-side of the staircase. The compression spring 11 generates a force by which the pulled grip bar 6 is pulled up to the stairs. In the present embodiment, the compression spring 11 is disposed between the front and rear support rods 7. However, the present invention is not limited to this arrangement, and the compression spring 11 is applied with a force that pulls the gripping rod 6 pulled upward on the stairs. What is necessary is just to arrange | position.

  The usage method of the stair railing of a present Example is demonstrated.

The person who goes up the stairs 1 holds the gripping rod 6, puts one foot on the step one step above, moves his body upward while bending the arm and pulling the gripping rod 6, and moves the other foot one step or two Place it on the step of the step. At that time, by pulling the grip rod 6, a pulling force is applied to the grip rod 6 pulled by the compression spring 11, and the pulling force is applied as a pulling force.

  Since the force which raises the person who goes up by giving and pulling the grip part 5 is given whenever it goes up, it becomes possible to go up the stairs 1 easily. A person who climbs later can also climb easily by holding and pulling the grip bar 6 in the same manner.

  In this embodiment, since a plurality of grip portions 5 are arranged at intervals, a plurality of persons can grip different grip bars 6 and the grip portions 5 do not interfere with each other. A plurality of persons can easily climb up by grasping the grip bar 6 independently.

<Example 2>
4 to 6, the stair rails of the present embodiment are arranged on one side or both sides of the staircase 1 as in the first embodiment, and support columns 2 a and 2 b erected on the uppermost and lowermost steps of the staircase 1. It is comprised by the stair railing 3 supported between these both support | pillars 2a and 2b, and the grip part 5 is arrange | positioned in the stair railing 3 at intervals.

  The grip portion 5 is configured in a rectangular shape by a grip rod 6, a pair of support rods 7 fixed to the grip rod 6, and a guide rod 12 connected to the support rod 7. The front and rear of the grip bar 6 are fixed to the upper part of the support bar 7, and the lower end of each support bar 7 is connected by a guide bar 12. The upper portion of the support bar 7 extends outward from a slit formed on the upper surface of the handrail 3.

  The guide rod 12 is sandwiched between guide rollers 13 provided on the upside and downside fixing members 9 of the staircase 1 fixed to the bottom of the staircase handrail 3, and the grip portion 5 is guided upside and downside.

  One end of the compression spring 11 is fixed to the support rod 7 on the stair ascending side of the grip portion 5, and the other end is fixed to the descent side fixing member 9. The compression spring 11 generates a force that returns the grip portion 5 to the upside of the staircase.

  The usage method of the stair railing of a present Example is demonstrated.

  The person who goes up the stairs 1 holds the gripping rod 6, puts one foot on the step one step above, moves his body upward while bending the arm and pulling the gripping rod 6, and moves the other foot one step or two Place it on the step of the step. At that time, by pulling the gripping rod 6, the gripping portion 5 moves along the guide roller 13, and the pulling force acts on the gripping rod 6 pulled by the compression spring 11 to the upside of the staircase 1. A pulling force acts in the direction, and the pulling force is applied as a pulling-up force.

  Since the force which raises the person who goes up by giving and pulling the grip part 5 is given whenever it goes up, it becomes possible to go up the stairs 1 easily. A person who climbs later can also climb easily by holding and gripping the grip portion 5 in the same manner.

  In this embodiment, since a plurality of grip portions 5 are arranged at intervals, a plurality of persons can grip different grip bars 6 and the grip portions 5 do not interfere with each other. A plurality of persons can climb easily using the grip portion 5 separately.

1: Stairs 2a, 2b: Prop 3: Stair railing
5: Grip part 6: Grip bar 7: Support bar 8: Pin 9: Fixing member 10: Pin 11: Compression spring 12: Guide bar 13: Guide roller 21: Stairs 22a, 22b: Posts 23: Grip bar 24: Support tube 25: Connecting wire 26: Compression spring 27: Horizontal guide roller

Claims (3)

  A plurality of grip portions having grip bars for gripping a person climbing the stairs are arranged at intervals on the stair handrail, and the grip portion is connected to the other end of the compression spring with one end fixed to the handrail, and the ascending side of the staircase A stairs handrail characterized in that a pulling force is given to a person who goes up the stairs by pulling the grip bar to the down side of the stairs.   The grip part is pivotally attached to the upper part of the pair of support bars at the front and rear of the grip bar, and the lower part of each support bar is pivotally attached to the stair rail so that the grip bar can be moved up and down in parallel. 2. The stair railing according to claim 1, wherein one end of the compression spring is fixed to the fixing member on the stair-up side, and the other end is fixed to the support rod on the down-side.   The grip part is fixed to the upper part of a pair of support bars at the front and rear of the grip bar, the lower ends of the support bars are connected by a guide bar, and the guide bar is fixed to the bottom part of the handrail. The gripping part is slidably guided by the guide roller provided on the fixing member of the gripping part so that the grip part can be moved up and down the stairs, and one end of the compression spring is attached to the support bar on the ascending side of the stairs of the grip part. The stair railing according to claim 1, wherein the stair railing is fixed, and the other end is fixed to a fixing member on the downside of the staircase.

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