JPH09650A - Slow descent device for wheelchair - Google Patents

Abstract

PURPOSE: To provide a small-size wheelchair descending system requiring less expenditure and area for construction by building a simple-structure device inside or outside the building that automatically descends with the physically handicapped person aboard in case of fire or earthquake. CONSTITUTION: A rope is wound around a rotation direction changing unit attached on a shaft 9 at the top of a pillar 3 erected on the downstair location K' to reach the upstair location K. A descending box 1 is attached tight to an end of the rope, and a balancing weight 13 is attached tight to the other end of the rope. The weight G' of the balancing weight 13 serves as a brake by working to counter the weight G to be created when the physically handicapped person in a wheelchair gets on the descending box 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheelchair slow-moving device, which has a simple structure and can be installed outdoors or indoors of a building so that persons with disabilities can move from the upper floor to the lower floor when a disaster such as a fire or an earthquake occurs. And he was allowed to descend by himself with the wheelchair.

[0002]

2. Description of the Related Art A person with a disability who has a lower body is difficult to walk, and therefore may move using a wheelchair.
And when a person in a wheelchair moves from upstairs to downstairs or downstairs to upstairs, it is difficult to use the stairs to descend and rise. , Usually used an elevator to climb or descend. In addition, some modern buildings have modern facilities such as dedicated slopes for running only wheelchairs between different floors, but it has yet to become widespread. Not in. In order to build such a large-scale facility in a building, a large installation area was required, and a great amount of construction cost and facility cost were required.

[0003]

[Problems to be Solved by the Invention] In the event of a disaster such as a fire or an earthquake, people with disabilities using wheelchairs routinely use it to evacuate from the upper floor to the lower floor. The elevator that is running may break down, or may be inadvertently left stopped at another level, and then moved to a desired level and stopped. Therefore, there was an inconvenience that it was not possible to evacuate urgently in the event of a disaster.

The present invention has been made in view of the above-mentioned conventional points, and in the event of a disaster, if an elevator in use breaks down on a daily basis, a person with a disability can move by himself / herself while riding in a wheelchair. The purpose of the present invention is to easily and surely descend from the upper floor to the lower floor, to use a relatively small-scale facility, to reduce the installation area, and to reduce the facility cost.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and includes a drop box which is formed to have a size to accommodate at least a wheelchair with a disabled person, and a side surface of the drop box. A plurality of columns vertically erected from the downstairs to the upper floor, a rotation direction changing part mounted on a rotation shaft installed above the column, and both left and right ends wound around the rotation direction changing part. The side is suspended, and one end is fixed to the drop box so that it can be lifted up and the balance weight is fixed to the other end, and the weight of a person with a wheelchair gets into the drop box. The weight of the balance weight is applied as a braking force when the descent box descends.

Further, the present invention employs a means in which the rotating direction changing component is a sprocket and the cord is a chain wound around the sprocket.

Further, the present invention employs a means in which a plurality of columns are provided on one of the left and right sides of the drop box and the drop box is cantilever-supported to the columns via guide support means. .

Further, the present invention employs a means in which a plurality of columns are provided at at least four corners on the left, right, front and rear of the descent box, and the descent box is supported on the columns by means of guide supporting means so as to be able to descend. .

Further, the present invention employs a means in which the guide supporting means is provided so as to surround a guide strut or a guide strut provided between the strut so that the roller can be rotatably provided in the descending box so as to be contactable from the front and rear and the right and left.

Further, the present invention employs a means of providing the rotating shaft with a speed adjusting means capable of adjusting the rotating speed gradually.

Further, according to the present invention, the rotational speed of the rotating shaft is adjusted slowly by utilizing the frictional force of the rotating plate which the speed adjusting means is rotatably provided to the viscous fluid enclosed in the airtight container. The means to do was adopted.

Further, the present invention employs a means in which a door at the entrance to the hall is provided so as to be openable and closable in response to a drop box located on a predetermined floor surface on the upper or lower floor.

[0013]

[Function] When a person with a disability is on a wheelchair from the upper floor and moves into the descent box, the descent box descends. At this time, the drop box is one end of the rope body wound around the rotation direction changing component mounted on the rotation shaft installed on the upper part of the plurality of columns standing from the lower floor to the upper floor along the side surface. Since the balance weight is fixed to the other end of the rope, when the weight of the balance weight is applied to the weight of the person with a wheelchair riding in the drop box, And the descent box descends gently. Also, since the rotation direction changing part at the upper part of the column is the sprocket and the rope is a chain wound around the sprocket, the chain does not slip due to meshing with the sprocket, so the drop box Surely descends from upstairs to downstairs. Further, since the drop box is provided with a plurality of columns on one of the left and right sides and cantilevered with respect to the columns via the guide support means so as to be cantilevered,
The drop box is lowered from the upper floor to the lower floor with a simple structure to prevent rolling. Further, the drop box is provided with a plurality of columns at at least four corners in the front and rear and on the left and right, and the drop box is supported on both sides so as to be able to descend through the guide supporting means, so that the structure is robust and lateral. The drop box is lowered from the upper floor to the lower floor while preventing shaking. And the guide support means, to the pillar or the guide pillar provided between the pillars, front and rear,
Since the lower box is provided with the rollers surrounding the right and left sides so as to be able to contact with each other, the lower box is guided by the rollers coming into contact with the support columns from the front and rear and the left and right, and is smoothly lowered without rolling. Moreover, the rotation speed of the rotation shaft on which the rotation changing component around which the cord is wound is attached is adjusted by the speed adjusting means. In this speed control means, a viscous fluid is enclosed in a closed container, and the rotational speed of the rotary shaft is adjusted slowly by utilizing the frictional force of the rotary plate against this fluid. Therefore, the structure of the procurement means is simplified. It is easy to manufacture and assemble, has few failures, and is easy to maintain and manage. Furthermore, when a drop box is located on a predetermined floor above or below the floor, the corresponding door at the entrance to the hall can be opened and closed. Therefore, when the door is opened, the drop box is definitely waiting. As a result, a person with a disability can securely move into the descent box while riding on a wheelchair, and can move from the descent box to the hall entrance when the descent box reaches downstairs.
It is safe.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. Reference numeral 1 is a descent box formed in a substantially bottomed box shape having a bottom portion 1a, and this descent box 1 is formed in a size capable of accommodating a wheelchair (not shown) on which a disabled person is aboard. The drop box 1 includes vertical rods 2a arranged at four corners using a metal frame made of a material that is lightweight, has corrosion resistance, and has rigidity, for example, stainless steel, titanium alloy, aluminum alloy, and the like. The vertical length L ₁ is approximately 1200 from the appropriate number of horizontal rod portions 2b and 2c installed between 2a and 2a.
mm, lateral length L ₂ is about 1200 mm, height H
Is formed to have a size of about 2000 mm.

The reference numeral 3 designates a plurality of, for example, two columns which are erected from the lower floor K'to the upper floor K on one of the left and right sides of the lowering box 1 along the side surface S of the lowering box 1. 3 is made of a material having rigidity and corrosion resistance, for example, stainless steel, and is formed into a substantially quadrangular prism shape. Reference numeral 3a is a horizontal rod portion provided above the columns 3 and 3.

In FIG. 6 and FIG. 7, reference numeral 4 is a guide supporting means, and the guide supporting means 4 is provided with respect to the support column 3 in the descent box 1.
Is for cantilever support so as to be able to descend. The guide support means 4 includes rollers R ₁ , R ′ ₁ ; R ₂ , R ₂ that surround the pillar 3 in the front-rear and left-right directions and can contact the pillar 3 on the side facing the pillar 3. Are rotatably mounted on the mounting plates 5 and 5 which are vertically opposed to each other so as to sandwich the column 3 on the left and right. The upper and lower guide supporting means 4 and the lower guide supporting means 4 are installed such that the rollers R _{1 and} R ′ ₁ arranged at the front and rear are oriented in opposite directions. Of these, the roller R ₁ has a length that extends over substantially the entire width of the side surface of the support column 3 and is rotatably mounted on the mounting plates 5 and 5 using bearings 6 and 6 and a shaft 7. Further, the roller R ₂ is provided with recesses 5a, 5a provided in the mounting plates 5, 5.
Pivot bolts 8a to the mounting plate 5a ₁ of the inner and該枢supporting bolt 8a
It is rotatably mounted by means of a nut 8b screwed to. Further rollers R _'1 is rotatably pivoted with the pivot bolt 8a and a nut 8b in the mounting plate 5,5.

Reference numeral 9 denotes a rotary shaft rotatably installed on the upper portion of the support column 3 by supporting both left and right ends by using bearings 10 and 10. The rotary shaft 9 serves as a rotating direction changing component. Two sprockets 11 are mounted in the figure.

Reference numeral 12 is a chain as a cord body which is wound around the sprocket 11 as a rotation changing part and is hung at both left and right ends thereof. The chain 12 is fixed to the chain 12 so that it can be hung on the descent box 1. The balance weight 13 is fixed to the other end, and the weight G'of the balance weight 13 is multiplied by the weight G when the disabled person gets into the descent box 1 together with the wheelchair. It is designed to exert braking force when descending to 1.
In this embodiment, the weight of the drop box 1 is about 200 kg, the weight of persons with disabilities including wheelchairs is set to about 40 kg, and the weight G'of the balance weight 13 is about 2 kg.
It is set to about 20 kg. The weight G'of the balance weight 13 is arbitrarily set in consideration of the weight of the disabled person. Further, it is safe if the balance weight 13 is moved up and down by a guide plate having guide grooves on its left and right so that the balance weight 13 can be smoothly moved up and down.

Reference numeral 14 is a speed control means for the rotating shaft 9. As the speed control means 14, for example, a viscous fluid 16 is enclosed in a sealed container 15 as shown in FIGS. Rotating plate 17 rotatably provided with respect to the fluid 16
By utilizing the frictional force of the above, the rotation of the rotary shaft 9 is braked and the rotational speed is adjusted gradually. The speed adjusting means 14 winds a rotational torque from the output shaft 18 by winding a chain 21 as a power transmission component between a sprocket 19 provided on the output shaft 18 side and a sprocket 20 mounted on the rotary shaft 9. The rotation shaft 9 is transmitted through the sprockets 19 and 20 and the chain 21. Further, a brake mechanism (for example, a brake plate (not shown) is provided on the output shaft 18 of the procurement means 14, and this brake plate is provided on the upper floor K or the lower floor K'of the landing entrance I, I'of the descent box 1 side. When a person with a disability opens the door 22 on the K side of the upper floor and moves on to the descent box 1 while riding on a wheelchair by interlocking with the door 22 described later, the brake mechanism applies the brakes and the descent box 1 does not descend. When the door 22 on the side of the descent box 1 is closed after the disabled person has completely transferred to the descent box 1, the brake mechanism is released and the descent box 1 is lowered.

Reference numeral 22 denotes a door provided at the hall entrances I and I'provided outdoors, for example, at the upper floor K or the lower floor K ',
The door 22 is provided so as to be openable and closable corresponding to the position of the drop box 1 on a predetermined floor surface Y, Y'on the side of the upper floor K or the lower floor K '. As the door 22, for example, a sliding door that can be opened and closed manually is used, and the door 22 is locked by a locking means such as a bar, etc., to ensure safety, although not shown in the figure, and manually operated as necessary. The lock is released by.

An embodiment of the present invention has the above-mentioned configuration,
In the event of a disaster such as a fire or an earthquake, a person with disabilities can move from the upper floor K to the lower floor K'in a wheelchair to evacuate. By unlocking, the door 22 on the upper floor K side is manually opened.

When the door 22 is opened, the floor portion 1a of the descent box 1 is positioned so as to coincide with the predetermined floor surface Y on the upper floor K side, so that the disabled person stands by while sitting in a wheelchair. Transfer to the drop box 1 with the wheelchair. At this time, while the disabled person opens the door 22 on the K side of the upper floor and transfers to the descent box 1 while riding on the wheelchair, the brake is applied by the brake mechanism (not shown) and the descent box 1 does not descend. After the disabled person has transferred to the descent box 1, the door 22 on the upper floor K is manually closed.

When a person with a disability moves into the descent box 1 and the door 22 is closed while the user is in a wheelchair, the brake mechanism shown in the drawing linked to the door 22 is released. Has one end fixed to and suspended from a chain 12 as a cord wound around a sprocket 11 provided on a rotating shaft 9 provided above the support column 3, and a balance weight 13 is provided at the other end of the chain 12. Since it is fixed, the weight difference G, that is, the weight G-
A weight corresponding to the weight G ′ acts as a braking force when the descent box 1 descends. Therefore, the descent box 1 gently descends from the upper floor K to the lower floor K '.

Further, as shown in FIG. 5, the rotating shaft 9 uses, for example, a speed adjusting means utilizing the frictional force of a rotating plate 17 rotatably provided for a viscous fluid 16 enclosed in a hermetically sealed container 15. 14 is provided, the friction force received by the rotating plate 17 from the viscous fluid 16 acts on the rotating shaft 9 as a braking force, and the lowering box 1 lowers the descending speed than the case where only the weight G ′ of the balance weight 13 operates. Will fall more slowly. Therefore, there is no anxiety when descending.

Moreover, the descent box 1 includes a plurality of columns provided on one of the left and right sides, two columns 3 in FIGS. 1, 2 and 3.
3 is supported so as to be able to descend via the guide supporting means 4 provided on the side surface S of the descending box 1, so that the descending box 1 is lowered by the guide of the guide supporting means 4 with respect to the columns 3 and 3. .

[0026] At this time, the guide support means 4, the roller R _1, R _'1, which is rotatably disposed before and after the roller R ₂ which is rotatably disposed on the left and _right, R ₂ and the front and rear, the right and left Around the pillars 3 and 3 of a substantially square pole, the roller R
_{1, R '1; R 2} , R 2 is longitudinal struts 3,3, since in contact with the left and right side surfaces, drop box 1 back and forth during descent downstairs K from upstairs K without shaking and rattling in the left and right It is descended while being guided in a straight line to ′. Moreover 'and _1, guide support means R _1, R provided in the lower' roller R _1, R a guide support means 4 provided in the upper stage are positioned in opposite back and forth as shown in FIGS. 6 and 7 with ₁ Since the rollers R ₁ and R ′ ₁ arranged on the upper and lower stages are formed to have a length that extends over substantially the entire width of the side surfaces of the columns 3 and 3, the weight of the wheelchair and the handicapped person in addition to the drop box 1. Even if the drop box 1 is cantilevered with respect to the columns 3 and 3 in a state of being hit, the drop box 1 is lowered without shaking or rattling.

When the descending box 1 reaches the predetermined floor surface Y'on the downstairs K'side by descending the descending box 1, the handicapped person manually opens the door 22 at the hall entrance I'on the downstairs K'side. By wheelchair from the drop box 1 to the floor K ′ on the K ′ side
Move to and evacuate. At this time, while the disabled person opens the door 22 on the downstairs K'side and evacuates to the outside from the descent box 1 while riding on a wheelchair, a brake mechanism (not shown) provided in conjunction with the door 22 on the procurement means 14 is provided. Drop box 1
Is prevented from being inadvertently raised by the weight G'of the balance weight 13.

When a person with a disability descends from the descent box 1 and closes the door 22, the brake mechanism is released. Therefore, the empty descent box 1 is lighter than the balance weight 13, and therefore the weight G'of the balance weight 13 causes The drop box 1 rises from the downstairs K'to the upstairs K and returns to the old position. In this way, the evacuation work is completed.

FIGS. 8 to 10 show another embodiment of the present invention. In this embodiment, the support column 3 is provided with four support columns 3 in at least four corners on the front and rear and on the left and right of the descent box 1.
A roller R ₃ which is configured to support the descending box 1 so as to be capable of descending through a guide supporting means 4 with respect to a guide column 3 ′ provided therebetween, and which has both ends of a rotating shaft rotatably supported by bearings 6 ′. , R ₃ are brought into contact with the guide columns 3 ′ from the left and right, so that the falling box 1 can be supported with a strong structure, unlike the above-described embodiment in which it is supported in a cantilever manner. Also 30,3
Reference numeral 0'denotes an impact cushioning component provided appropriately below the drop box 1 and the balance weight 13, and as the impact cushioning component 30, 30 ', a coil spring exhibiting elasticity is shown in the drawing. However, in addition to the coil spring, rubber,
It may be formed into a substantially trapezoidal shape or a columnar shape using an elastic material such as a synthetic resin. The shock absorbing parts 30, 30 'soften the shock when the drop box 1 or the balance weight 13 is lowered.

In the above-mentioned embodiment, the case where the support column 3 is constructed outside the building and the descent box 1 is lowered is explained, but the present invention is not limited to the outdoor construction and can be constructed indoors.

In the present invention, the upper floor K is the second floor in the figure,
Although the lower floor K'represents the first floor as a representative, the present invention is not limited to this, and the upper floor K can be applied to a multi-storey floor of two or more floors.

[0032]

As described above, according to the present invention, in the event of a disaster, if the elevator in use is out of order, a person with a disability can move from the upper floor to the lower floor by moving to the descent box by himself / herself while sitting in a wheelchair. It is possible to easily and surely descend. Moreover, unlike the conventional method of constructing a slope with a gentle slope in a building, a small-scale facility is sufficient, the installation area is small, and the manufacturing cost and the facility cost are low.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a rear view of the same.

FIG. 3 is a side view of the same.

FIG. 4 is an enlarged sectional view taken along line AA of FIG.

FIG. 5 is a sectional view showing the internal structure of the speed governing means of this embodiment as well.

FIG. 6 is an enlarged sectional view taken along line BB of FIG.

7 is an enlarged sectional view taken along line CC of FIG.

FIG. 8 is a side view showing a second embodiment of the present invention.

FIG. 9 is a front view of the same.

FIG. 10 is a plan view of the same.

[Explanation of symbols]

1 Drop Box 3 Support 4 Guide Support Means 9 Rotating Shaft 11 Sprocket 12 Chain 13 Balance Weight 14 Speed Control Means 15 Container 16 Fluid R ₁ Roller R ′ ₁ Roller R ₂ Roller Y Floor Y ′ Floor

Claims (8)

[Claims] 1. A descent box formed to accommodate at least a wheelchair in which a disabled person is aboard, and a plurality of columns that are erected from the lower floor to the upper floor along the side surface of the descent box. , A rotation direction changing part mounted on a rotation shaft erected on the upper part of the column, and both left and right side ends are wound around the rotation direction changing part and one end is fixed to the descent box so as to be lifted. At the other end, the balance weight is fixed to the cord body, and the weight of the balance weight is applied to the weight of the person with a wheelchair who gets into the drop box together with the wheelchair. A slow-moving device for wheelchairs characterized by having a braking force. 2. The wheelchair slow-moving device according to claim 1, wherein the rotation direction changing component is a sprocket, and the rope is a chain wound around the sprocket. 3. A plurality of columns are provided on one of the left and right sides of the drop box, and the drop box is cantilevered and supported on the columns via guide support means. Item 1. The wheelchair slowing-down device according to item 1. 4. A plurality of pillars are provided at at least four corners of the front and rear and right and left of the drop box, and the drop box is supported on both sides of the drop box via guide supporting means so as to be lowered. Item 1. The wheelchair slowing-down device according to item 1. 5. The roller supporting the guide supporting means is rotatably provided in a descending box so as to surround a support pillar or a guide support pillar provided between the support pillars so as to be able to come into contact with the support pillar from front, rear, left and right. The wheelchair slowing-down device according to claim 4. 6. The wheelchair slowing-down device according to claim 1, wherein the rotating shaft is provided with a speed adjusting means capable of adjusting a rotational speed slowly. 7. The rotational speed of the rotary shaft is adjusted slowly by utilizing the frictional force of a rotary plate rotatably provided by the speed control means with respect to a viscous fluid enclosed in a closed container. The slowing-down device for wheelchairs according to claim 6, wherein: 8. The wheelchair loosen according to claim 1, wherein a landing door is provided so as to be openable / closable in response to a drop box located on a predetermined floor above or below the floor. Descending device.