JP2019177079A - Walking support device - Google Patents

Abstract

To provide a walking support device which allows a user to easily perform standing/seating operation.SOLUTION: A walking support device comprises: a base 2; movement means 3; standing/seating operation support means 4; and coupling means 5 for coupling a mounting fixture which a user wears and the standing/seating operation support means 4. The standing/seating operation support means 4 comprises: a stationary pole 6 provided to stand in an oblique/front side of a front side of the base 2; a lifting means 7; and lifting drive means 8 for lifting up/down the lifting member 7 along the stationary pole 6. The lifting member 7 comprises: a lifting body coupled to the lifting drive means 8 for performing lifting operation; and a support member 20 attached to the lifting body for supporting a user. The support member 20 comprises: a movable pole 21 which is lifted up/down in a direction along the stationary pole 6 and is attached to the lifting body; and a support base 22 provided to extend rearward of an upper end side of the movable pole 21. The coupling means 5 is provided on a rear end part of the support base 22.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a walking support device having an upright seating movement support function.

2. Description of the Related Art Conventionally, a walking support device having a standing and sitting motion support function is known (see Patent Document 1).
The walking assist device disclosed in Patent Document 1 is attached such that one end thereof is swingable via a hinge (rotation center axis) provided on a standing portion of the base, and the other end is provided to be able to undulate in the front-rear direction. And the electric telescopic actuator that undulates the other end side of the tilting frame by swinging the tilting frame. In this electric telescopic actuator, the end (one end) of the case (cylinder) is connected to the front side of the base, and the end (other end) of the rod (piston) and the lower end on one end of the tilting frame are connected. ing.

JP 2012-125548 A

In the walking support device disclosed in Patent Document 1, the tilting frame (11, 51) and the lifting arm (16, 56) rotate during support of the standing and sitting movement, so that the hooked portion (18, 58) is rotated. The connected left and right waist portions of the user follow the locus of the circular arc when supporting the standing and sitting movement. In this case, the user stands up in a nearly vertical state when supporting the standing motion (see FIGS. 5 to 8 and FIGS. 14 to 17 of Patent Document 1), and is nearly vertical when supporting the sitting motion. Sit in a state.
However, when standing up from a seated state, it is natural to stand up diagonally forward, but it is difficult to stand up in the vertical direction. In addition, it is difficult for a user who does not have the freedom of the body to use the walking support device and whose leg strength has declined to stand up in the vertical direction.
The present invention provides a walking support device having a simple configuration that allows a user to easily perform a standing motion.

A walking support device for supporting a user's walking according to the present invention is a walking support device that supports a user's walking, and includes a base, a moving means provided in the base, and an upright seating operation provided in the base. A support means, and a connecting means for connecting the wearing tool worn by the user and the standing seating movement supporting means, wherein the standing seating motion supporting means is seated by the user who is connected to the connecting means via the wearing tool. It is means for supporting the operation when standing up from the state and the operation when the user connected to the connecting means through the wearing device is seated from the standing state. A fixed support provided to rise obliquely forward from the front side, an elevating member, and an elevating drive means for elevating the elevating member along the fixed support, and the elevating member is connected to the elevating drive means to move up and down I do A lowering body and a supporting member attached to the lifting body to support the user, the supporting member being attached to the lifting body and moving up and down in a direction along the fixed column, and an upper end side of the movable supporting column A support base that is provided so as to extend further rearward and support the user, and the connecting means is provided at the rear end of the support base. Thus, it is possible to provide a walking support device having a simple configuration that allows the user to easily perform the standing motion.
Further, the movable supporting column is provided with a lifting guide means attached to the fixed column, and the movable column is provided with a slider on the lower end side, and the central side in the vertical direction is connected to the lifting body via a hinge, and the vertical side is centered on the hinge as a rotation center. The lifting guide means includes a guide groove for guiding the slider provided on the lower end side of the movable support column when the support member is lifted, and the slider guides when the support member is lifted. By moving while being guided by the groove, the movable support column rotates through the hinge, and at the lowest position of the support member, the rear end portion of the support table provided with the connecting means connected to the mounting tool is the support table. Because the connecting means provided at the left and right rear ends of the support base are inclined obliquely forward and stand up when supporting the standing up motion. From moving to so that, should be able natural standing operation the user rises obliquely forward, it is possible to provide a walking assistance device of a simple structure that the user can be easily orthostatic operation.
In addition, a bearing provided on the movable support and receiving the rotation center axis of the hinge, or a slider provided on the movable support and engaged with the guide groove is detachably attached to the movable support. Since the distance between the rotation center axis of the slider and the slider is configured to be changeable, and the lifting guide means is configured to be able to change the mounting position with respect to the fixed column vertically, the support base at the lowest position of the support member It is possible to provide a walking support device that can change the position of the connecting means at the rear end of the rear end portion to one that suits the user's behavior and user's preference.
Further, as the lifting guide means, a plurality of lifting guide means having different guide groove forms are provided, and the plurality of lifting guide means having different guide groove forms are configured to be exchangeable with respect to the fixed support column. The movement trajectory of the connecting means that accompanies the movement at the time of raising and lowering can be selected according to the user's behavior and the user's preference, and the standing seating movement support that matches the user's behavior and the user's preference can be performed A walking support device can be provided.
In addition, the vertical guide means are provided on the left and right sides of the fixed column, the sliders are provided on the left and right sides of the movable column, and the left and right sliders are guided and moved by the guide grooves of the right and left vertical guide means. When the support member is lifted, the left and right sides of the movable support column are lifted and lowered with the slider and the guide groove being engaged, so that the lifting and lowering operation of the support member, that is, the upright seating support operation is stable and reliable. Can be provided.

The perspective view which looked at the walk assistance device from the diagonal rear side. The side view which looked at the walk assistance device from the left side. The figure which looked at the walking assistance apparatus from the back side. The perspective view seen from the diagonal front side which shows the state in which the support stand of a walking assistance device exists in the uppermost position, and the state in which a support stand is in the lowest position. Operation | movement explanatory drawing at the time of standing-up movement assistance of a walk assistance device. The figure which shows the motion of the support stand at the time of the raising / lowering of the support member of a walking assistance apparatus with an imaginary line. The perspective view which looked at the walk assistance device from the diagonal rear side. The side view which looked at the walk assistance device from the left side. The figure which looked at the walking assistance apparatus from the back side. The perspective view seen from the diagonal front side which shows the state in which the support stand of a walking assistance device exists in the uppermost position, and the state in which a support stand is in the lowest position. Operation | movement explanatory drawing at the time of standing-up movement assistance of a walk assistance device. The figure which shows the attitude | position change of the support stand at the time of raising / lowering of the support member of a walk assistance apparatus with an imaginary line. The side view which looked at the walk assistance device from the left side. The figure which shows the attitude | position change of the support stand at the time of raising / lowering of the support member of a walk assistance apparatus with an imaginary line. The side view which looked at the walk assistance device from the left side. The figure which shows the attitude | position change of the support stand at the time of raising / lowering of the support member of a walk assistance apparatus with an imaginary line.

Embodiment 1
As shown in FIG. 1, the walking support device 1 according to the first embodiment includes a base 2, a moving unit 3 provided on the base 2, a standing seating movement support unit 4 provided on the base 2, and a user A. For example, it comprises a connecting means 5 for connecting the wearing tool B such as trousers and the upright seating movement support means 4.
Hereinafter, the front side of the user A who uses the walking support device 1, such as a care recipient, a disabled person, and a rehabilitation trainer, is “front”, the left side is “left”, the right side is “right”, and the rear side is “ It is defined as “after”.

The base 2 is configured by a base frame in which, for example, an iron pipe having a circular cross section is formed in a shape such as a concave shape or a U shape. When the base frame is viewed from above, the lower side of the concave shape or U-shape is positioned in front of the walking support device 1, and the left and right upper ends of the concave shape or U-shape are the left and right sides behind the walking support device 1. It is comprised so that it may look like the reverse concave shape and reverse U-shape located in.
That is, the base 2 includes a base frame left part 2a that forms the left base, a base frame right part 2b that forms the right base, and a base frame front part 2c that forms the front base.

The moving means 3 is composed of, for example, a plurality of turning casters (universal casters) 31, 31.
The swivel caster 31 is attached to the fork 34 so that the wheel 32 can rotate via a central shaft (shaft) 33 that extends parallel (horizontally) to a road surface R such as a floor surface, and the fork 34 is mounted on the road surface. In this configuration, it is attached to the base 2 via a mounting seat 36 so as to be rotatable via a central axis (shaft) 35 extending perpendicularly to R.
For example, as the turning caster 31, a caster with a drum brake unit is used.
For example, as shown in FIG. 1, one swivel caster 31 is provided on each of the rear end side of the base frame left portion 2a, the rear end side of the base frame right portion 2b, and the left and right sides of the base frame front portion 2c. It has been.

The standing / sitting movement support means 4 is connected to the connection means 5 via the attachment tool B and the operation when the user A who is connected to the connection means 5 via the attachment tool B is seated and stands up. It is a means to support the operation | movement at the time of dressing from the state where the user A stood up.
The standing / sitting motion support means 4 includes a fixed column 6, a lifting member 7, and a lifting member 7 provided along the fixed column 6 so as to rise vertically from the left and right center sides of the base frame front portion 2 c of the base 2. Elevating drive means 8 for elevating and lowering and elevating guide means 9 detachably attached to the fixed column 6.

  The fixed column 6 is formed in, for example, a prismatic shape, and the lower end of the fixed column 6 is fixed to the left and right sides of the base frame front portion 2c so as to rise obliquely forward from the front side of the base 2 by fixing means such as a mounting bracket, bolts, and nuts. It is fixed to the center side.

  As shown in FIG. 2, the elevating member 7 is connected to the elevating drive means 8 to perform a lifting operation, and a nut 87 as a lifting body, and a support member 20 attached to a rear surface 89 of the nut 87 as the lifting body. Is provided.

As shown in FIGS. 2 and 3, the elevating drive means 8 is configured by, for example, a ball screw mechanism 81 provided on the rear surface 61 of the fixed support 6.
As shown in FIG. 3, the ball screw mechanism 81 includes a screw shaft 82 provided in parallel with the rear surface 61 of the fixed support 6 and extending in the vertical direction, and a motor 83 that rotates the screw shaft 82. A motor mount 84 to which the motor 83 is fixed and fixed to the fixed column 6; and a bearing device 85 that is fixed to the fixed column 6 and rotatably supports the rotary shaft portion formed at the lower end portion of the screw shaft 82; A coupling 86 that connects the lower end of the rotary shaft portion formed at the lower end portion of the screw shaft 82 and the rotary shaft of the motor 83, and a nut that is attached to the screw shaft 82 and moves up and down by the rotation of the screw shaft 82. 87. That is, the screw shaft 82 is provided so as to extend obliquely forward from the base 2 side.

  Accordingly, the rotation of the motor 83 of the ball screw mechanism 81 is transmitted to the screw shaft 82 via the coupling 86 and the screw shaft 82 rotates, so that the nut 87 as the lifting body moves up and down. As is well known, the ball screw mechanism 81 has a configuration in which a large number of unillustrated balls are interposed between the screw shaft 82 and the nut 87 to reduce friction between the screw shaft 82 and the nut 87. Therefore, the nut 87 as the lifting body moves up and down smoothly.

  The support member 20 is attached to a nut 87 as a lifting body and is moved up and down in a direction along the fixed column 6. The support member 20 is provided so as to extend rearward from the upper end side of the movable column 21. And a support base 22 for supporting the.

The movable column 21 is formed of, for example, a plate material that extends in the vertical direction. The horizontal width dimension of the plate material forming the movable column 21 is shorter than the horizontal width dimension of the fixed column 6 in the horizontal direction.
A front surface 25 on the lower end side of the movable support column 21 and a rear surface 89 of a nut 87 as a lifting body are connected and integrated, and the support member 20 is also lifted by lifting and lowering the nut 87 of the ball screw mechanism 81. Is configured to do.

On the upper surface 24 of the movable support column 21, a power key switch 41 for power on / off for turning on / off the power supply to each electrical component of the walking support apparatus 1, the walking support apparatus 1 is supported for standing motion, or a sitting motion support A changeover switch 42 is provided for switching whether to perform the operation.
In addition, the upper surface 24 of the movable support | pillar 21 is formed in the inclined surface extended below, for example toward the back from the front.

The support base 22 is configured such that the left and right sides extend rearward after extending in the left-right direction from the upper end side of the movable column 21. That is, the support base 22 is a part for the user A to place the left and right forearms or for the user A to hold with the left and right hands, and to support the user A from below. When the support base 22 is viewed from the upper side, like the base 2, the lower side of the concave shape or U-shape is positioned in front of the walking support device 1 and connected to the upper end side of the movable support column 21. The upper left and right ends of the character are configured to look like an inverted concave shape or an inverted U shape located behind the walking support device 1.
The support base 22 has an upper surface 22t formed on a flat surface, for example. When the support member 20 is moved up and down, as shown in FIGS. 4 to 6, the upper surface 22t always maintains a horizontal surface, for example. It is connected to. That is, the support base 22 is coupled to the upper end side of the movable support column 21 so that the angle formed by the upper surface 22t of the support table 22 and the central axis of the movable support column 21 is an acute angle.

  According to the walking assist device 1 configured as described above, the support member 20 moves up and down by driving the motor 83.

  As shown in FIG. 5, when the user A wearing the wearing tool B stands up from the state of being seated on the seat D such as a bed or a chair, the motor 83 is first driven. As shown in FIG. 5A, the movable column 21 and the support base 22 of the support member 20 are lowered to the lowest position. The connecting parts C, C, such as retaining rings and the support base 22, which are provided on the left and right sides of the waist of the user A that is provided on the left and right sides of the wearing tool B worn by the user A and seated on the seating part D, After connecting the connecting means 5 and 5 such as hooks provided at the left and right rear ends, the changeover switch 42 is set to the upper side (up). As a result, the motor 83 is driven, the nut 87 and the support member 20 connected to the screw shaft 82 are raised, and the user A connected to the support base 22 of the support member 20 also moves upward (FIG. 5B). ), (C)). That is, the standing support operation is performed.

  As shown in FIG. 6, when the support member 20 is raised, the connecting means 5, 5 such as hooks provided at the left and right rear ends of the support base 22 are obliquely forward in parallel with the fixed column 6. Move to incline and stand up.

  On the contrary, when the user A connected to the support base 22 via the connecting means 5 and 5 and the connecting portions C and C stands up and sits on the seating portion D, the changeover switch 42 is used. Set to down (down). Thereby, the motor 83 is driven, the nut 87 and the support member 20 connected to the screw shaft 82 are lowered, and the user A connected to the support base 22 of the support member 20 also moves downward. That is, the seating support operation opposite to that at the time of standing operation support is performed.

According to the walking assist device 1 according to the first embodiment, the connecting means 5 and 5 provided at the left and right rear ends of the support base 22 are directed obliquely forward in parallel with the fixed support 6 during the standing motion support. Therefore, the user A can perform a natural standing motion that rises diagonally forward, and the user A can easily perform the standing motion.
That is, according to the first embodiment, the user A can easily stand up with a simple configuration in which the support member 20 is moved up and down in parallel with the fixed support column 6 that rises obliquely forward. The walking support device 1 can be provided.

Embodiment 2
As shown in FIG. 8, the walking support device 1 according to the second embodiment includes a nut 87 that is attached to the screw shaft 82 of the ball screw mechanism 81 and moves up and down by the rotation of the screw shaft 82, and the rear surface of the nut 87. The movable body 21 is attached to the lift body 10 via a hinge 70. The lift body 10 includes a rotary support plate 88 that is attached to 89 and extends in the left-right direction. Further, as shown in FIG. 7, sliders 23, 23 provided so as to protrude from the left and right side surfaces 27, 27 on the lower end side of the movable column 21, and guide these sliders 23, 23 when the movable column 21 is raised and lowered. And elevating guide means 9 and 9 having guide grooves 91 and 91 to be configured.

As in the first embodiment, the fixed column 6 is formed in, for example, a prismatic shape, and the lower end side is fixed to the base 2 so as to rise obliquely forward from the front side of the base 2 by fixing means such as a mounting bracket, a bolt, and a nut (not shown). It is fixed to the left and right center sides of the frame front portion 2c.
The movable column 21 is formed of, for example, a plate material that extends in the vertical direction. The horizontal width dimension of the plate material forming the movable column 21 is shorter than the horizontal width dimension of the fixed column 6 in the horizontal direction.
The movable column 21 includes, for example, sliders 23 and 23 provided so as to protrude from the left and right side surfaces 27 and 27 on the lower end side, and the left and right front surfaces at the center side in the vertical direction are raised and lowered via a hinge 70. Connected to the body 10.

For example, as shown in FIGS. 8 and 9, the hinge 70 is provided on each of the left and right rear surfaces 89 of the rotation support plate 88 and faces a pair of bearing brackets 71, 71 and the vertical direction of the movable column 21. And the other pair of bearing brackets 72, 72 that are respectively provided on the front side 25 on the left and right sides at the center side of the center and face each other, and are provided so as to pass through the bearing holes of these four bearing brackets 71, 71, 72, 72. Thus, the rotation center shaft 73 is fixed to one pair of bearing brackets 71, 71 or fixed to the other pair of bearing brackets 72, 72.
Therefore, when the elevating body 10 is moved up and down, the bearing brackets 72 and 72 of the movable column 21 rotate around the rotation center shaft 73, so that the movable column 21 follows the vertical plane with the rotation center shaft 73 as the rotation center. As a result, the upper and lower sides of the movable column 21 move in the front-rear direction.
That is, the movable support column 21 is configured such that the center side in the vertical direction is connected to the lifting body 10 via the hinge 70, and the vertical side can swing in the front-rear direction around the hinge 70.
The upper surface 22t of the support base 22 is formed in a flat surface, for example, and when the upper base 22t reaches the uppermost position (see FIG. 10A, FIG. 11C, etc.) during elevation, the upper surface 22t forms a horizontal surface, for example. Further, it is connected to the upper end side of the movable column 21. That is, as in the first embodiment, the support base 22 is connected to the upper end side of the movable column 21 so that the angle formed between the upper surface 22t of the support table 22 and the central axis of the movable column 21 is an acute angle.

The raising / lowering guide means 9 includes a plate portion 90 and a guide groove 91 formed in the plate portion 90. That is, the plate surface is formed of a plate material extending in the front-rear direction and the vertical direction, and is attached to the side surface 62 of the fixed column 6 with a bolt 96 or the like in a state where the front plate surface and the side surface 62 of the fixed column 6 are in contact. The plate portion 90 includes a guide groove 91 that guides the slider 23 provided on the lower end side of the movable support column 21 when the support member 20 is raised and lowered.
That is, the lift guide means 9 is formed with a guide groove 91 that guides the vertical movement of the slide 23 when the support member 20 moves up and down when the slider 23 provided on the lower end side of the movable column 21 enters. Consists of plate material.

For example, as shown in FIG. 7, the lifting guide means 9 is attached to the side 62 of the fixed column 6 so that the screw 96 is formed on the side 62 of the fixed column 6 and the bolt 96 is passed therethrough. What is necessary is just to make it the structure provided with the through-hole or screw hole which is not shown in figure in the means 9, and the volt | bolt 96 which passes the said through-hole or screw hole, and is fastened by the screw hole 95 of the fixed support | pillar 6.
Alternatively, a screw shaft (not shown) provided so as to protrude from the side surface 62 of the fixed column 6, a through hole (not shown) formed in the lifting guide means 9 for passing the screw shaft, and the through hole are passed through. It is good also as an attachment structure of the raising / lowering guide means 9 comprised by the nut outside a figure screwed by the screw shaft which was made and fastened to the plate | board surface of the board part 90 of the raising / lowering guide means 9. FIG.

For example, as illustrated in FIG. 8, the guide groove 91 has a configuration in which an upper side guide groove 92, a center side guide groove 93, and a lower side guide groove 94 are continuous.
In a state where the plate portion 90 constituting the elevating guide means 9 is attached to the fixed column 6, the upper side guide groove 92 is formed by an inclined groove extending in the same direction as the extending direction of the fixed column 6 at a position away from the fixed column 6. The lower guide groove 94 is formed by an inclined groove that extends in the same direction as the extension direction of the fixed column 6 at a position closer to the fixed column 6 than the upper side guide groove 92, and the central side guide groove 93 is the upper side guide groove 93. It is formed by a groove connecting the lower end of the groove 92 and the upper end of the lower end side guide groove 94.

As shown in FIG. 7, the lifting guide means 9 is attached to the left and right side surfaces 62, 62 of the fixed column 6, and the slider 23 is respectively connected to the left and right side surfaces 27, 27 on the lower end side of the movable column 21. The left and right sliders 23, 23 are provided so as to protrude, and are configured to move while being guided by the guide grooves 91, 91 of the left / right lifting guide means 9, 9.
Accordingly, when the support member 20 is lifted and lowered, the left and right sides of the movable support column 21 are lifted and lowered with the slider 23 and the guide groove 91 being supported by engagement. It is possible to obtain the walking support device 1 in which the support operation is performed stably and reliably.

  According to the walking support device 1 according to the second embodiment configured as described above, the elevator body 10 is moved up and down by driving the motor 83 and is rotatably connected to the elevator body 10 via the hinge 70. The support member 20 moves up and down. During this lifting operation, the slider 23 provided on the lower end side of the movable column 21 of the support member 20 moves while being guided by the guide groove 91 of the lifting guide means 9.

  As shown in FIG. 11, when the user A wearing the wearing tool B stands up from the state of sitting on the seat D such as a bed or chair, the motor 83 is first driven. As shown in FIG. 11A, the support column 22 is tilted downwardly by lowering the movable support column 21 to the lowest position. The connecting parts C, C, such as retaining rings and the support base 22, which are provided on the left and right sides of the waist of the user A that is provided on the left and right sides of the wearing tool B worn by the user A and seated on the seating part D, After connecting the connecting means 5 and 5 such as hooks provided at the left and right rear ends, the changeover switch 42 is set to the upper side (up). Thereby, the motor 83 is driven and the nut 87 connected to the screw shaft 82 is raised. Accordingly, the support member 20 that is rotatably connected to the nut 87 via the rotation support plate 88 and the hinge 70 is also raised, so that the user A connected to the support base 22 of the support member 20 also moves upward (see FIG. 11 (b), (c)). That is, the standing support operation is performed.

As shown in FIG. 12, when the support member 20 moves up, the slider 23 of the movable column 21 is movable at the lower end of the guide groove 91 so that the upper end of the movable column 21 is positioned behind the lower end. The column 21 begins to rise from a state in which the upper surface 22t of the support base 22 is inclined backward and the support column 22 is inclined. When the slider 23 moves in the lower guide groove 94, the movable column 21 rises while moving slightly forward while being inclined, and the upper surface 22t approaches the horizontal plane while the support base 22 moves slightly forward. To rise. When the slider 23 moves in the central guide groove 93, the movable column 21 rises while rotating through the hinge 70 so as to gradually approach the state parallel to the fixed column 6 from the inclined state, and the support base. 22 rotates so that the upper surface 22t approaches the horizontal plane. When the slider 23 moves in the upper guide groove 92 from the upper end of the central guide groove 93, the movable support column 21 is maintained in a state parallel to the fixed support column 6 along the extending direction of the fixed support column 6. As it rises, the support 22 rises while the upper surface 22t maintains a horizontal plane.
That is, at the time of supporting the standing motion, the upper surface 22t gradually approaches the horizontal as the upper surface 22t rises from the state in which the upper surface 22t is inclined (inclined upward) from the rear end toward the front upper side. After becoming a horizontal plane, the upper surface 22t further rises while remaining in a horizontal plane.
That is, the support base 22 is raised while changing its posture as indicated by ea shown in FIG.

On the contrary, when the user A connected to the support base 22 via the connecting means 5 and 5 and the connecting portions C and C stands up and sits on the seating portion D, the changeover switch 42 is used. Set to down (down). As a result, the motor 83 is driven and the nut 87 connected to the screw shaft 82 is lowered. Accordingly, the support member 20 rotatably connected to the nut 87 via the rotation support plate 88 and the hinge 70 is also lowered, so that the user A connected to the support base 22 of the support member 20 also moves downward.
When the support member 20 is lowered, the support member 20 operates in the reverse direction to the support for the standing motion. That is, the support base 22 descends while changing its posture as shown by a to e shown in FIG.

  That is, in the lowest position of the support member 20 (see FIGS. 10B and 11A), the connection is connected to the connection parts C and C provided on the wearing tool B worn by the user A. The rear end portion of the support base 22 provided with the means 5 and 5 is configured to be positioned below the front end portion of the support base 22. Therefore, at the time of supporting the standing motion, the connecting means 5 and 5 provided at the rear end portion of the support base 22 can be brought close to the connecting portions C and C of the wearing tool B of the user A seated on the seating portion D. Therefore, the operation of connecting the connecting means 5 and 5 and the connecting portions C and C can be easily performed. Further, at the time of sitting operation support, the connecting means 5 and 5 provided at the rear end portion of the support base 22 can be brought close to the position close to the seating portion D, and until the user A is seated on the seating portion D, Since the user A is connected to the support base 22, the user A can perform the sitting operation with peace of mind. In addition, after the user A is seated on the seat portion D, the operation of releasing the connection between the connecting means 5 and 5 and the connecting portions C and C can be easily performed.

At the time of supporting the standing motion, the support base 22 of the supporting member 20 is lifted while changing its posture so as to gradually rise according to the standing motion of the user A from the state where the rear end portion is lowered. The person A can perform a natural standing motion.
In addition, when supporting the seating operation, the support member 20 gradually moves from the state in which the upper surface 22t of the support base 22 is horizontal or nearly horizontal to the rear end of the support base 22 in accordance with the seating operation of the user A. Since it descends while changing its posture so that it falls, the user A can perform a natural seating motion.

In other words, according to the second embodiment, the connecting means 5 and 5 provided at the left and right rear end portions of the support base 22 move so as to tilt and rise obliquely forward when supporting the standing motion. Therefore, it is possible to provide the walking support device 1 having a simple configuration that allows the user A to perform a natural standing motion that stands up diagonally forward and allows the user A to easily perform the standing motion.
Further, according to the second embodiment, when the support base 22 reaches the lowest position, the connecting means 5 and 5 provided at the rear end of the support base 22 can be brought close to a position close to the seating portion D. Thus, the operation of connecting the connecting means 5 and 5 and the connecting portions C and C and the operation of releasing the connection can be easily performed.
Furthermore, according to the second embodiment, the support member 20 includes a structure that is connected via a hinge 70 to a nut 87 that moves up and down by a ball screw mechanism 81 that is an elevating mechanism as an elevating drive unit, and includes a screw shaft 82 and a nut. Since the lifting and lowering operation of the supporting member 20 based on the screwing with the 87 and the rotating operation of the supporting member 20 via the hinge 70 are performed separately, the durability of the lifting mechanism and the lifting and lowering of the supporting member 20 are performed. It is possible to obtain the walking support device 1 in which the operation performance and the rotation operation performance of the support member 20 are improved.

Embodiment 3
The distance between the rotation center shaft 73 of the hinge 70 and the slider 23 can be changed.
For example, the mounting position of the bearing bracket 72 provided on the movable column 21 and connected to the rotation center shaft 73 of the hinge 70 or the mounting position of the slider 23 provided on the lower end side of the movable column 21 is set to the movable column 21. The distance between the rotation center shaft 73 of the hinge 70 and the slider 23 can be changed by configuring the mounting position of the lifting guide means 9 to the fixed column 6 so as to be changeable in the vertical direction. Configured.
The mounting position of the bearing bracket 72, the mounting position of the slider 23, and the mounting position of the elevating guide means 9 are the same as the mounting target positions of the bearing bracket 72, the slider 23, and the elevating guide means 9. For example, a plurality of screw holes for screwing bolts for attaching the guide means 9 may be formed.

For example, if the distance between the rotation center axis 73 of the hinge 70 and the slider 23 is shorter than the walking support device 1 of the second embodiment (see FIG. 8) as shown in FIG. In addition, at the lowest position of the support member 20, the inclination angle of the upper surface 22t of the support table 22 with respect to the horizontal plane can be made larger than that of the walking support device 1 of the second embodiment (that is, the inclination of the upper surface 22t of the support table 22 can be increased). Can be steeper). That is, the connecting means 5 at the rear end portion of the support base 22 can be made to reach further downward than the walking support device 1 of the second embodiment (see the state of e of the support base 22 in FIG. 14). It is possible to provide the walking support device 1 that can cope with the user A having a low level.
Conversely, if the distance between the rotation center shaft 73 of the hinge 70 and the slider 23 is made longer than the walking support device 1 of Embodiment 2 (see FIG. 8), at the lowest position of the support member 20, The inclination angle of the upper surface 22t of the support base 22 with respect to the horizontal plane can be made smaller than in the case of the walking support device 1 of the second embodiment. That is, it is possible to set the position of the connecting means 5 at the rear end portion of the support base 22 at the lowermost position of the support member 20 so as to provide the walking support device 1 that can cope with the user A having a high sitting height. it can.
That is, the position of the connecting means 5 at the rear end portion of the support base 22 at the lowest position of the support member 20 can be changed to suit the behavior of the user A and the preference of the user A.

  Moreover, according to the walking assistance apparatus 1 which concerns on Embodiment 3, the movement locus | trajectory of the connection means 5 accompanying the movement at the time of the raising / lowering of the support member 20 in Embodiment 2 does not match the behavior of the user A, or the user A The movement trajectory of the connecting means 5 associated with the movement of the support member 20 in the second embodiment when moving up and down can be changed (see FIG. 14). That is, the movement trajectory of the connecting means 5 accompanying the movement of the support member 20 when moving up and down can be changed to one that suits the behavior of the user A and the preference of the user A.

Embodiment 4
As shown in FIGS. 15 and 16, as the lifting guide means 9, a plurality of lifting guide means 9 having different forms of the guide grooves 91 are provided, and a plurality of lifting guide means 9 having different forms of the guide grooves 91 are provided. The fixed support 6 can be exchangeably attached. As a result, as shown in FIG. 16, it is possible to provide an upright seating operation according to the preference of the user A.
For example, as shown in FIG. 15, the mounting structure for detachably attaching the lifting guide means 9 to the fixed column 6 passes a screw hole 95 formed in the side surface 62 of the fixed column 6 and a bolt 96. For this purpose, the structure includes a through-hole or screw hole (not shown) formed in the lifting guide means 9 and a bolt 96 that passes through the through-hole or screw hole and is fastened to the screw hole 95 of the fixing column 8. That's fine.

  In the fourth embodiment, by changing to the lifting guide means 9 having a different shape of the guide groove 91, the movement trajectory of the connecting means 5 accompanying the movement of the support member 20 in the second or third embodiment during the lifting or lowering is changed to the user A. The movement trajectory of the connecting means 5 associated with the movement of the support member 20 in the second or third embodiment when the support member 20 is moved up and down can be changed. 16). Accordingly, since the movement trajectory of the connecting means 5 accompanying the movement of the support member 20 when moving up and down can be selected according to the behavior of the user A and the preference of the user A, the behavior of the user A and the user It is possible to provide the walking support device 1 that can support the standing and sitting motion that suits A's preference.

Embodiment 5
For example, in FIG. 8, a line connecting the central axis of one bolt 96 and the central axis of the other bolt 96 that fixes the lifting guide means 9 to the fixed column 6 is a radius, and the central axis of one bolt 96 is A plurality of mounting portions (screw holes 95 formed on the side surface 62 of the fixed column 6) of the other bolt 96 are provided on the arc centered on the center, or on the arc centered on the center axis of the other bolt 96 A plurality of mounting portions (screw holes 95 formed in the side surface 62 of the fixed column 6) of the one bolt 96 are provided at one location. In this way, by changing the mounting portion (mounting position) of the other bolt 96 or by changing the mounting portion (mounting position) of the one bolt 96, the direction of the guide groove 91 of the lifting guide means 9 can be changed. It is possible to change the movement trajectory of the connecting means 5 along with the movement of the support member 20 when the support member 20 moves up and down.
Therefore, according to the fourth embodiment, the mounting portion (mounting position) of the other bolt 96 that fixes the lifting guide means 9 to the fixed column 6 is changed, or the mounting portion (mounting position) of one bolt 96 is changed. Since the movement trajectory of the connecting means 5 accompanying the movement of the support member 20 when moving up and down can be changed to one that suits the behavior of the user A and the preference of the user A, the behavior of the user A and the user A It is possible to provide the walking support device 1 that can support the standing-sitting operation that suits the user's preference.

  The moving means 3 may be moving means other than wheels. For example, a moving means such as a caster or a caterpillar provided with a ball instead of a wheel may be used, and any moving means configured to be braked may be used.

1 walking support device, 2 base, 3 moving means, 4 standing seating movement supporting means,
DESCRIPTION OF SYMBOLS 5 Connection means, 6 Fixed support | pillar, 7 Lifting / lowering member, 8 Lifting / lowering drive means, 9 Lifting / lowering guide means, 10 Lifting body, 20 Support member, 21 Movable strut, 22 Support stand, 23 Slider
70 Hinge, 72 Bearing part, 87 Nut (lifting body), 91 Guide groove, A User, B Wearing tool.

Claims (5)

A walking support device for supporting a user's walking,
A base, a moving means provided on the base, an upright seating operation support means provided on the base, and a connecting means for connecting an installation tool to be installed by the user and the upright seating operation support means;
The standing / sitting motion support means is an operation when standing up from a state where a user connected to the connecting means via the wearing tool is seated, and a state where the user connected to the connecting means via the wearing tool stands up It is a means to support the movement when sitting from
The standing seating movement support means includes a fixed support provided to rise obliquely forward from the front side of the base, an elevating member, and an elevating drive means for elevating the elevating member along the fixed support,
The elevating member includes an elevating body that is connected to the elevating drive means to perform the elevating operation, and a support member that is attached to the elevating body and supports the user.
The support member includes a movable column that is attached to the lifting body and moves up and down in a direction along the fixed column, and a support base that is provided so as to extend rearward from the upper end side of the movable column and supports the user.
A walking support device characterized in that the connecting means is provided at the rear end of the support base. Elevating guide means attached to the fixed column,
The movable support column is provided with a slider on the lower end side, and is configured such that the center side in the vertical direction is connected to the lifting body via a hinge, and the vertical side can swing in the front-rear direction around the hinge.
The elevation guide means includes a guide groove for guiding a slider provided on the lower end side of the movable support column when the support member is elevated,
When the support member is raised and lowered, the slider is guided and moved by the guide groove, so that the movable support column rotates through the hinge. At the lowest position of the support member, a support provided with a connecting means connected to the mounting tool is provided. The walking support device according to claim 1, wherein the rear end portion of the base is positioned below the front end portion of the support base. The rotation of the hinge is achieved by detachably attaching the bearing portion provided on the movable support column to receive the rotation center axis of the hinge or the slider provided on the movable support column and engaging with the guide groove to the movable support column. The distance between the center axis and the slider is changeable,
The walking support device according to claim 2, wherein the elevating guide means is configured to be able to change a mounting position with respect to the fixed column in the vertical direction.   The elevating guide means includes a plurality of elevating guide means having different guide groove forms, and the plurality of elevating guide means having different guide groove forms are configured to be replaceable with respect to a fixed column. The walking support device according to claim 2 or claim 3.   Elevating guide means are provided on the left and right sides of the fixed column, and sliders are provided on the left and right sides of the movable column, and the left and right sliders are guided by the guide grooves of the left and right elevating guide means. The walking support device according to any one of claims 2 to 4.