JP2014240563A - Staircase assist step and staircase assist step device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily install a staircase assist step on an existing staircase, and to easily remove it when not required.SOLUTION: A staircase assist step 2 is installed on a part of a tread surface in a width direction of a staircase, and has a foot placing surface 3 lower in height than a rise height of the staircase. An installation part 5 with respect to the tread surface of the staircase is provided in a lower part of an assist step body 4 having the foot placing surface 3 on an upper surface, and a connecting part 6 for detachably connecting a plurality of the assist step bodies 4 installed respectively on the tread surfaces vertically adjacent with each other in the staircase is provided on the assist step body 4.

Description

The present invention relates to a staircase assist step and a staircase assist step device that are installed on a part of the tread surface in the width direction of a staircase and have a footrest surface having a height lower than the raised height of the staircase.
In other words, for elderly people and users with limited mobility, when the stairs are lifted up and down, if the height of the stairs is high and the burden is high, the foot is lower than the height of the stairs. Since the auxiliary step having the mounting surface on the upper surface is formed in a part of the width direction of the staircase, the left and right feet are alternately placed on each tread surface of the staircase and each footrest surface of the auxiliary step, The lifting height for each step is small and can be lifted easily.

  The above-mentioned staircase auxiliary step, which has been conventionally considered, is formed integrally with each step of the staircase, or is configured so that it can be placed on the tread surface of each step of the staircase and fixed to each step. there were. (For example, refer to Patent Documents 1 and 2).

JP 2002-327521 A Japanese Utility Model Publication No.2-1336

In the conventional staircase auxiliary step described above, in order to form the auxiliary step in advance in each step of the staircase like the former, it is difficult to adapt to the existing staircase, and the staircase itself must be recreated, and the manufacturing cost In addition, there is a problem that it takes a lot of time and effort, and since it cannot be easily removed, the auxiliary step itself may become an obstacle when it becomes unnecessary.
On the other hand, the latter staircase auxiliary step can be easily adapted to an existing staircase because the auxiliary step placed on each tread surface of the staircase can be removed when not needed. However, the auxiliary steps placed on each tread of the stairs must be individually fixed to the stairs to prevent them from moving, requiring a lot of work for construction and removal. Similarly, there was a problem that required a lot of work.

  Accordingly, an object of the present invention is to eliminate the above-mentioned problems and to easily install a stair auxiliary step on an existing stair and easily remove it when unnecessary.

  A first characteristic configuration of the present invention is a staircase auxiliary step that is installed on a part of the tread surface in the width direction of the staircase and has a footrest surface having a height lower than the height of the staircase, A mounting part for the stepped surface of the staircase is provided in the lower part of the auxiliary stepped body with the footrest surface on the upper surface, and a plurality of the auxiliary stepped bodies mounted on the stepped surfaces adjacent to the top and bottom of the staircase are detachable. There is a connecting portion for connecting to the auxiliary step body.

According to the first characteristic configuration of the present invention, the auxiliary step main body places a mounting portion on each tread surface in the staircase, and a plurality of auxiliary step main bodies adjacent vertically are connected to each other (in the first embodiment, , The first connecting portion is connected to each other, and each auxiliary step body is difficult to move on the tread surface of each step of the stairs and the installation posture is stable. It becomes easy.
Therefore, it is easy to install the staircase auxiliary step for assisting the raising and lowering of the staircase on the existing staircase, and it becomes easy to secure the installation position in a stable state, and the safety can be easily improved.
Moreover, by removing each connecting portion, it can be easily removed from the stairs when unnecessary.

  According to a second characteristic configuration of the present invention, there is provided a first connection extending portion that protrudes upward from a back side portion of the footrest surface of the auxiliary step body, and a front lower portion of the auxiliary step body and the first connection portion. The connecting portion is formed by providing an engaging portion and an engaged portion that engage with each other on the extension portion.

According to the second characteristic configuration of the present invention, in addition to being able to achieve the above-described operation and effect of the first characteristic configuration of the present invention, the auxiliary step main body is moved upward from the back side portion of the footrest surface. Protruding first connecting extension portions are provided, and a front lower portion of the auxiliary step body and the first connecting extension portions are provided with engaging portions and engaged portions that engage with each other. Since the connecting portion is formed, the first connecting extension projecting from the lower auxiliary step main body and the adjacent upper auxiliary step main body are connected to the engaging portion and the engaged portion of the connecting portion. By combining, it is possible to easily connect and integrate, and the auxiliary steps adjacent to each other in the vertical direction can be maintained in a stable posture.
Further, by disengaging the engaging portion and the engaged portion at the connecting portion, it can be easily separated and removed easily.

  According to a third feature of the present invention, there is provided a second connection extending portion that protrudes downward from a lower portion on the near side of the auxiliary step body, and a back side portion of the footrest surface of the auxiliary step body and the second connection. The connecting portion is formed by providing an engaging portion and an engaged portion that engage with each other on the extension portion.

According to the third characteristic configuration of the present invention, the second connecting extension projecting downward from the upper auxiliary step main body and the adjacent lower auxiliary step main body are connected to the engaging portion of the connecting portion and the cover. By engaging the engaging portions, they can be easily connected and integrated, and the auxiliary steps adjacent in the vertical direction can be maintained in a stable posture.
Further, by disengaging the engaging part and the engaged part in the connecting part, it can be easily separated and removed easily.

  According to a fourth characteristic configuration of the present invention, there is provided a first connection extending portion that protrudes upward from a back side portion of the footrest surface of the auxiliary step body, and protrudes downward from a front lower portion of the auxiliary step body. The second connecting extension portion is provided, and the first connecting extension portion and the second connecting extension portion are provided with an engaging portion and an engaged portion that engage with each other, and the connecting portion. Is where it was formed.

According to the 4th characteristic structure of this invention, the 1st connection extension part which protrudes upwards from the lower auxiliary step main body which adjoins mutually up and down, and the 2nd connection protruding below from the upper auxiliary step main body The extension portion can be easily connected and integrated by connecting the engaging portion and the engaged portion of the connecting portion, and the auxiliary steps adjacent in the vertical direction can be maintained in a stable posture.
Further, by disengaging the engaging part and the engaged part in the connecting part, it can be easily separated and removed easily.

  According to a fifth characteristic configuration of the present invention, a staircase auxiliary step is installed on each tread surface below the uppermost step in the staircase, and the staircase auxiliary step is installed on the tread surface one step below the uppermost step. It is in the place where the fixing tool to fix it detachably is attached.

According to the fifth characteristic configuration of the present invention, the stair auxiliary step installed on the tread surface one step lower than the uppermost step is attached with a fixture that is detachably fixed to the staircase. By placing the staircase auxiliary steps on the treads and connecting the adjacent ones up and down via the connecting part, each of the staircase auxiliary steps can be stably installed in series. By fixing the fixing tool attached to the staircase auxiliary step to the staircase, a series of a plurality of staircase auxiliary steps can be fixed so as not to move reliably.
Accordingly, it is possible to improve the safety easily by ensuring the stability of each of the staircase auxiliary steps, and when not required, the series of staircase auxiliary steps can be easily removed by removing the fixing tool.

  According to a sixth feature of the present invention, there is provided a staircase auxiliary step that is provided on a part of the tread surface in the width direction of the staircase and has a footrest surface having a height lower than the raised height of the staircase. A support frame disposed along the side wall from the upper step portion to the lower step portion of the staircase is provided, and a connection support portion for the plurality of staircase auxiliary steps installed on the tread surface of each of the plurality of staircases is provided on the support frame. By the way.

According to the sixth characteristic configuration of the present invention, the stair auxiliary step installed on the tread of each step of the staircase is connected to the support frame arranged along the side wall from the upper step portion to the lower step portion in the plurality of steps. By connecting via a support part, it becomes easy to maintain each of the plurality of staircase auxiliary steps in a stable posture.
Therefore, safety can be improved while being easily installed on the existing stairs.

  According to a seventh characteristic configuration of the present invention, the support frame is provided with a detachable fixing portion with respect to the staircase.

  According to the seventh characteristic configuration of the present invention, by fixing the support frame to the stairs via the fixing portion, each of the plurality of staircase auxiliary steps connected to the support frame can reliably stabilize its installation position. It can be secured.

  An eighth characteristic configuration of the present invention is that a handrail along the slope of the stairs is provided on the support frame.

  According to the 8th characteristic structure of this invention, a staircase can be raised / lowered more safely only by installing the support frame which connects them with a staircase auxiliary step using the handrail provided in the support frame.

It is a perspective view which shows the installation state of the staircase assistance step of this invention. It is a perspective view of the staircase auxiliary step of the present invention. It is a disassembled perspective view of the staircase assistance step of this invention. It is a side view which shows the 1st installation state of the stair assistance step of this invention. It is a side view which shows the 2nd installation state of the staircase assistance step of this invention. It is a perspective view which shows the assembly | attachment description of another embodiment. It is a whole side view of another embodiment. (A), (b), (c) is the schematic which shows each another separate embodiment. It is a whole perspective view of another embodiment, (a) shows the installation state to a staircase, (b) is a state figure before installation or after removal, (c) is a perspective view which shows a stacked state.

Embodiments of the present invention will be described below with reference to the drawings.
[First embodiment]
This will be described with reference to FIGS.
The multi-step staircase 1 formed in the building is set to have a constant height, which is a heavy burden for elderly people and people with reduced mobility.
Therefore, for example, in order to halve the kicking height, the staircase auxiliary step 2 shown below is installed on the existing staircase 1, and one of the left and right feet is placed on the tread of the existing staircase 1, and the other The stairs 1 can be easily moved up and down while repeatedly performing the operation of placing the foot on the footrest surface 3 of the stairs auxiliary step 2.

  As shown in FIG. 2 and FIG. 3, the staircase auxiliary step 2 has a footrest surface 3 having a height lower than the raised height of the staircase 1, and a lower portion of the auxiliary step body 4 having the footrest surface 3 on the upper surface. Is provided with a mounting portion 5 on the tread surface of the staircase 1, and a first connection as a connecting portion for detachably connecting a plurality of auxiliary step bodies 4 placed on the tread surfaces adjacent to each other vertically in the staircase 1. The part 6 is provided in the auxiliary step body 4.

A first connecting extension portion 7 protruding upward from the back side portion of the footrest surface 3 of the auxiliary step body 4 is provided, and a second connecting extension portion protruding downward from the front lower portion of the auxiliary step body 4. 8, the first connecting extension portion 7 and the second connecting extension portion 8 are provided with an engaging portion 9 and an engaged portion 10 that engage with each other to form the first connecting portion 6. It is.
The first connecting extension portion 7 is configured by detachably attaching a first extension member 11, which is a member different from the auxiliary step body 4, to the auxiliary step body 4.
Similarly to the first extending member 11, the second extending member 12, which is a separate member from the auxiliary step body 4, is detachably attached to the auxiliary step body 4 in the second connecting extension portion 8. It consists of

  The first connecting portion 6 is provided with an engaging portion 9 at one end portion of the first extending member 11 in the first connecting extending portion 7, and the engaged portion 10 to which the engaging portion 9 is engaged is It is provided at one end portion of the second extending member 12 in the two connecting extending portions 8 and is configured to be slidably fitted to each other in the lateral direction of the tread surface of each stair 1 so as to be connectable.

The auxiliary step body 4 includes an upper member 17 composed of a first divided body 13 and a second divided body 14 that form the footrest surface 3 on the upper surface, a third divided body 15 that forms the mounting portion 5 on the lower surface, The lower member 18 formed of the four-divided main body 16 can be divided and integrally connected (FIGS. 2 and 3).
In the upper member 17, the first divided main body 13 and the second divided main body 14 are configured to be capable of being integrally connected and separated by providing a second connecting portion 19 that is slidably fitted to each other.
In addition, in order to ensure the connection state firmly, you may prevent the 2nd connection part 19 separating unexpectedly with a lock screw etc. as needed.
The first divided main body 13 and the third divided main body 15 are provided with a third connecting portion 20 so that the first divided main body 13 can be connected to and separated from the third divided main body 15 so as to be adjustable in height. The second divided main body 14 and the fourth divided main body 16 are provided with a fourth connecting portion 21, and the second divided main body 14 is connected to and separated from the fourth divided main body 16 so that the height can be freely adjusted. It is configured to be possible. Therefore, the height of the footrest surface 3 can be adjusted according to the height of the kicking up of the stairs 1.

  For attaching the first extending member 11 to the auxiliary step body 4, a fifth connecting portion 22 is formed so as to be detachable and the front and rear relative connecting positions can be changed. That is, specifically, a plurality of dovetail grooves 23 along the lateral direction of the tread surface are provided in the front and rear in the upper surface portion of the second divided main body 14, and the dovetail groove 23 can be slidably fitted from the side. By providing the protruding line 24 at the other end of the first extending member 11 and selectively slidingly engaging the protruding line 24 with the plurality of dovetail grooves 23, the first extending line with respect to the second divided body 14 is provided. The 5th connection part 22 which can change and adjust the front-and-rear attachment position of the member 11 is comprised.

  In addition, as shown in FIG. 4 or FIG. 5, the two dovetails 24 are provided with respect to the six dovetails 23, and the dovetail groove 23 which fits the two dovetails 24 can be selected. . That is, it can be adjusted according to the difference in the depth of each step of the stairs.

  The other end of the second extending member 12 and the front lower end of the first divided main body 13 are provided with dovetails 23 along the lateral direction and ridges 24 that can be fitted into the dovetails 23, and slide relative to each other. The 6th connection part 25 which can be fitted is comprised.

  In addition to the auxiliary step body 4 including the first divided body 13, the second divided body 14, the third divided body 15, and the fourth divided body 16, a first extending member 11 and a second extending member 12 are provided. All are manufactured by extrusion molding of metal such as aluminum, but the material may be made of synthetic resin, FRP, natural wood or ceramics.

  In order to further improve the safety of installing the staircase auxiliary step 2 on each step of the staircase 1 by assembling the plurality of members, the front side edge of the first divided body 13 is made of a stainless steel or aluminum core surface side. A non-slip member 26 having a phosphorescent soft resin bonded thereto is attached, or cushion rubber 27 is attached to the lower surfaces of the third divided body 15 and the fourth divided body 16.

  A resin cover 28 is attached to the fore end where the hollow portion is exposed on at least one of the left and right ends of the manufactured auxiliary step body 4 by extrusion molding, and the first connecting portion 6 and the second connecting portion 19 are attached. The third connecting portion 20, the fourth connecting portion 21, the fifth connecting portion 22, and the sixth connecting portion 25 are configured so as not to be detached.

The first connecting part 6, the second connecting part 19, the third connecting part 20, the fourth connecting part 21, the fifth connecting part 22, and the sixth connecting part 25 are detachably connected by slide fitting. Therefore, the stair auxiliary steps are prevented from rotating relative to each other in the direction of arrow A (left and right) shown in FIG.
Therefore, the safety at the time of raising / lowering using the stair auxiliary step can be ensured.

[Another embodiment]
Other embodiments will be described below.

<1> As shown in FIGS. 8A and 8C, the first embodiment has been described in which the first extending member 11 is a separate member from the auxiliary step body 4. Alternatively, the first connecting extension 7 may be configured as a single unit.
<2> As shown in FIGS. 8B and 8C, the second extending member 12 is integrally connected as a part of the auxiliary step body 4 in the same manner as the first extending member 11. You may comprise the extension part 8 for 2 connection.
<3> Instead of providing the first extending member 11 and the second extending member 12 separately, as shown in FIG. 8A, upward from the back side portion of the footrest surface 3 of the auxiliary step body 4. The first connecting extension portion 7 that protrudes integrally is provided, and the engaging portion 9 and the engaged portion 10 that engage with the lower portion on the near side of the auxiliary step body 4 and the first connecting extension portion 7 are mutually engaged. The first connecting part 6 is formed by providing the second connecting extension part 8 integrally protruding downward from the front lower part of the auxiliary step body 4 as shown in FIG. The first connecting portion is provided with an engaging portion 9 and an engaged portion 10 that are engaged with each other on the back side portion of the footrest surface 3 of the auxiliary step body 4 and the second connecting extending portion 8. 6 may be formed. Further, as shown in FIG. 8 (c), a first connecting extension portion 7 that integrally protrudes upward from the back side portion of the footrest surface 3 of the auxiliary step body 4 is provided, and in front of the auxiliary step body 4. A second connecting extension portion 8 that integrally protrudes downward from the lower side is provided, and an engaging portion 9 and a covered portion that engage with the first connecting extension portion 7 and the second connecting extension portion 8. The first connecting part 6 may be configured by providing the engaging part 10.
<4> In a multi-step staircase 1, a fixing tool that is detachably fixed to the staircase 1 is attached to the staircase auxiliary step 2 that is installed on the tread surface one step below the uppermost step, and a series of a plurality of staircase auxiliary steps 2 Can be installed on the staircase 1 more stably. The fixing to the staircase 1 with a fixture is not limited to fixing with screws or nails, but to the wall or side wall 30 on the top step of the staircase 1 It may be configured to be able to be engaged and fixed.

[Second Embodiment]
As shown in FIGS. 6 to 7, the staircase auxiliary step 2 having a footrest surface 3 which is installed on a part of the tread surface in the width direction of the staircase 1 and whose height is lower than the kicking height of the staircase 1. Provided with a long support frame 31 arranged along the side wall from the upper step portion to the lower step portion in the multi-step staircase 1, and connected to the plurality of staircase auxiliary steps 2 installed on the tread of each of the multi-step staircases 1 The support part 32 is provided in the support frame 31, and the staircase auxiliary step apparatus is comprised.

In the longitudinal direction of the support frame 31, the connection support portion 32 is integrally provided with an auxiliary frame 33 that protrudes in the horizontal direction at set intervals corresponding to the pitch of each step of the staircase 1, and the auxiliary frame 33 is used as a staircase assist. The fitting part formed in step 2 is internally fitted so as to be integrally connectable.
Therefore, the plurality of staircase auxiliary steps 2 are stably held by the support frame 31 in a state where the plurality of staircase auxiliary steps 2 are installed in the respective steps of the staircase 1 to ensure safety.
Note that a fixing portion 34 that is detachably fixed to the upper end portion of the staircase 1, the side wall portion 30, or the like is provided at the upper end portion of the support frame 31 so that the stability can be further improved.

(Another embodiment)
1. As shown in FIG. 6, the support frame 31 may be integrally provided with a handrail 35 along the slope of the stairs 1 or may be detachably attached.
2. As shown in FIG. 7, the support frame 31 is configured such that the lower end portion thereof can be fixed up and down freely and can be fixed to the floor surface portion, and when the step assist step 2 is unnecessary, the support frame 31 is swung upward. You may make it easy to remove from the tread surface of the stairs 1.

[Third embodiment]
As shown in FIGS. 9 (a), 9 (b) and 9 (c), a plurality of staircase auxiliary steps 2 placed on the treads of each of the plurality of staircases 1 are connected to form the connecting portion. A flexible connecting member 36 such as a wire may be provided.
In addition, the flexible connection member 36 may be a string, a rope or a chain in addition to the wire, and can be adopted if it is flexible.
In this case, after the staircase auxiliary step 2 is placed on the tread surface of the staircase, an anti-slip member is provided on the placement portion 5 or the auxiliary step body is attached to the staircase 1 so that the staircase auxiliary step 2 does not move easily. The flexible connecting member 36 such as a wire is extended upward in the uppermost staircase auxiliary step 2, and the flexible connecting member 36 is fixed to the staircase 1 and the side wall 30 with a fixing tool such as a screw 40. (FIG. 9A), and the plurality of staircase auxiliary steps are connected by the flexible connecting member 36, so that the installation work on the plurality of staircases 1 can be easily performed in a short time. As shown in Fig. 9 (a) ⇔ (b) ⇔ (c), they are stacked so that they do not fall apart. Convenient storage and transportation to save space It has the advantage that say that.
Further, the plurality of staircase auxiliary steps 2 connected by the flexible connecting member 36 may be combined with the structure of the above-described second embodiment so that the position of each of the staircase auxiliary steps 2 is stabilized on the tread surface of each staircase 1. good.
In addition, as mentioned above, although the code | symbol was written in order to make contrast with drawing convenient, this invention is not limited to the structure of an accompanying drawing by this entry. In addition, it goes without saying that the present invention can be carried out in various modes without departing from the gist of the present invention.

DESCRIPTION OF SYMBOLS 1 Stairs 2 Stairs auxiliary step 3 Footrest surface 4 Auxiliary step main body 5 Mounting part 6 Connection part (1st connection part)
7 First connection extending portion 8 Second connection extending portion 9 Engaging portion 10 Engaged portion 29 Fixing tool 31 Support frame 32 Connecting support portion 34 Fixing portion 35 Handrail

Claims (8)

A staircase auxiliary step that is installed on a part of the tread surface in the width direction of the staircase and has a footrest surface having a height lower than the raised height of the staircase,
Provide a mounting portion on the tread surface of the stairs at the bottom of the auxiliary step body having the footrest surface on the upper surface,
The staircase auxiliary step, wherein the auxiliary step body is provided with a connecting portion for detachably connecting the plurality of auxiliary step bodies placed on the tread surfaces adjacent to each other in the vertical direction on the staircase. Providing a first connecting extension that protrudes upward from the back side portion of the footrest surface of the auxiliary step body;
The connecting portion is formed by providing an engaging portion and an engaged portion, which are engaged with each other, in a lower portion on the near side of the auxiliary step body and the first extending portion for connection. Stair auxiliary step. Providing a second connecting extension projecting downward from the front lower part of the auxiliary step body;
The connecting portion is formed by providing an engaging portion and an engaged portion, which are engaged with each other, on a back side portion of the footrest surface of the auxiliary step body and the second connecting extending portion. The staircase auxiliary step according to Item 1. Providing a first connecting extension that protrudes upward from the back side portion of the footrest surface of the auxiliary step body;
Providing a second connecting extension projecting downward from the front lower part of the auxiliary step body;
The connecting portion is formed by providing an engaging portion and an engaged portion, which are engaged with each other, in the first connecting extending portion and the second connecting extending portion. Stair auxiliary step. The staircase auxiliary step according to any one of claims 1 to 4 is installed on each tread surface below the uppermost step in the staircase,
A staircase auxiliary step device in which a fixing tool that is detachably fixed to the staircase is attached to the staircase auxiliary step installed on the tread surface one step below the uppermost step. A staircase auxiliary step that is installed on a part of the tread surface in the width direction of the staircase and has a footrest surface having a height lower than the raised height of the staircase;
Provide a support frame to be arranged along the side wall from the upper step portion to the lower step portion in the multi-step staircase,
A staircase auxiliary step device in which a connection support portion for a plurality of the staircase auxiliary steps installed on the tread surface of each of a plurality of steps is provided on the support frame.   The staircase auxiliary step device according to claim 6, wherein the support frame is provided with a detachable fixing portion with respect to the staircase.   The staircase auxiliary step device according to claim 6 or 7, wherein a handrail along the slope of the staircase is provided on the support frame.

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