JP2007117479A - Seat housing type rollator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seat housing type rollator whose seat is housed safely and easily while the seat is not used. <P>SOLUTION: The rollator 2 has: a leg frame 7 capable of travelling on a floor surface 6; arm supports 8; arm receivers 9; the seat 3; and a seat support part 4 whose lower part 4b is fixed to the leg frame 7 and whose upper part 4a is fixed to the seat 3. The seat support part 4 is composed of a seat upper-side support implement 5 and a seat lower-side support implement 18. The lower part 5b of the seat upper-side support implement 5 is detached from the leg frame 7, and the seat 3 and the seat upper-side support implement 5 are moved to a housing position while being turned around the lower part 18b of the seat lower-side support implement 18. Thus, the seat part 3 and the seat support part 4 are housed outside the walking area 12 of the rollator 2. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a seat-part-accommodating walking vehicle that performs a walking exercise for a person having a disorder in lower limb function (hereinafter referred to as a patient).

The prior art discloses a saddle detachable lifting vehicle in which a lifting part that lifts and lowers the saddle is detachably provided on the frame.
JP 2005-21327 A

  The conventional device can remove the elevating part supporting the saddle from the frame so that the saddle does not get in the way during walking, but the work of removing the saddle and parallel link etc. is troublesome, and the removed saddle and parallel link etc. There is a problem that a storage place is also required.

  An object of the present invention is to provide a seat-part storing type walking vehicle that can be safely and easily stored when the seat part is not used.

That is, according to the present invention, the leg frame (7), the elbow strut (8), the elbow support (9), the seat (3), and the lower part (4b) that can travel on the floor surface (6) are provided with the leg frame (7). ) And the upper part (4a) has a seat support part (4) attached to the seat part (3).
The seat part support part (4) is composed of a seat part upper support tool (5) and a seat part lower support tool (18), and the lower part (5b) of the seat part upper support tool (5) is connected to the leg frame (7). The seat (3) and the seat upper support (5) are moved to the storage position while rotating about the lower part (18b) of the seat lower support (18), and the seat (3 ) And the seat support portion (4) are stored outside the walking area (12) of the walking vehicle (2).
Further, the front frame (10) is erected on the front side (7c) of the leg frame (7), and when the seat (3) is in the use position, the lower part (5b) of the seat upper support (5) is the front. The frame (10) can be screwed into a predetermined position, and the storage position can be screwed into another predetermined position of the front frame (10).
Furthermore, a temporary fastener (20) for temporarily securing the lower part (5b) of the seat upper support (5) is provided on the front frame (10), and when the seat (3) is set to the use position, the seat After temporarily lowering the lower part (5b) of the upper support (5) to the temporary fastener (20), the seat upper support (5) is screwed to the front frame (10).

  The seat support 4 according to the present invention is composed of a seat upper support 5 and a seat lower support 18, and the lower part 5b of the seat support 5 is detached from the leg frame 7 so as to support the seat lower support. The seat 3 and the seat upper support 5 are moved to the storage position while rotating around the lower portion 18b of the motor 18, and the seat 3 and the seat support 4 are stored outside the walking area 12 of the walking vehicle 2. Therefore, the seat part 3 and the seat part support part 4 can be removed from the walking area 12 by an easy operation of removing the lower part 5b of the seat part upper support 5 which is a part of the seat part support part 4. It is possible to move to (a place where it does not interfere with standing walking) and easily change the presence or absence (use position or storage position) of the seat 3 according to the walking ability level of the patient, and the patient can walk appropriately. Convenient.

  Further, the place where the seat portion 3 is required in the prior art is unnecessary because only a part of the seat support portion 4 is detached and the seat portion 3 is accommodated in the front portion of the walking vehicle 2 in the present invention. Yes, convenient.

  In the present invention, the front frame 10 is erected on the front side 7c of the leg frame 7, and when the seat portion 3 is in the use position, the lower portion 5b of the seat portion upper support 5 can be screwed into a predetermined position of the front frame 10, In the storage position, since it is configured to be able to be screwed to another predetermined position of the front frame 10, the seat portion 3 and the seat portion support portion 4 can be reliably fixed to the use position or the storage position by an easy screwing operation, Convenient.

  A temporary fastener 20 for temporarily securing the lower part 5b of the seat upper support 5 according to the present invention is provided on the front frame 10, and when the seat 3 is set to the use position, the lower part 5b of the seat upper support 5 is Since the seat upper support 5 is screwed to the front frame 10 after being temporarily fixed to the temporary fastener 20, the operation of attaching the lower part 5b of the seat upper support 5 to a predetermined position of the front frame 10 is performed. Convenient, safe and convenient.

1 to 5 show a first embodiment of the present invention.
The seat storage type walking vehicle 1 according to the first embodiment stores the seat 3 and the seat support 4 with an operation of detaching the seat upper support 5 in the walking car 2 in which the patient performs a walking motion and a standing motion. It is what you do.
The seat storage type walking vehicle 1 includes a leg frame 7 running on the floor surface 6, an elbow support 8 standing on the leg frame 7, an elbow support 9 supported by the elbow support 8, and the front of the leg frame 7. It comprises a front frame 10 erected on the side 7 c, a seat support 4 attached to the front frame 10, and a seat 3 attached to the upper part 4 a of the seat support 4.

The leg frame 7 is formed of a U-shaped frame body in plan view with wheels 11 provided in the lower part.
The leg frame 7 includes a left side 7a, a right side 7b, and a front side 7c. An area surrounded by the left side 7a, the right side 7b, and the front side 7c is a walking area 12.

The elbow strut 8 includes left and right elbow struts 8a and 8b, and the left and right elbow struts 8a and 8b are erected on the left side 7a and the right side 7b, respectively.
The elbow strut 8 includes an outer cylinder 13 standing on the leg frame 7 and an inner cylinder 14 fitted inside the outer cylinder 13.

The inner cylinder 14 is inserted into the outer cylinder 13 in a telescopic manner, and the outer cylinder 13 is provided with a column lock 15.
The elbow support 9 can be changed / adjusted to an appropriate height by the helper extending and retracting the elbow post 8.
The left and right elbow struts 8a and 8b and the front frame 10 are connected by a reinforcing frame 16.

  A vertical piece 17 on which the lower part 4b of the seat support 4 is fixed is attached to the front frame 10 erected on the front side 7c.

The seat portion 3 in the use position is advanced to the approximate center in a plan view in the walking area 12 of the seat portion-type walking vehicle 1.
The seat part support part 4 supports the seat part 3 and includes a seat part upper support tool 5 and a seat part lower support tool 18.
The upper part 4 a of the seat part support part 4 supports the seat part 3, and the lower part 4 b of the seat part support part 4 is screwed to the front frame 10.

When the seat portion 3 is in the use position, the lower portion 5b of the seat portion upper support 5 is screwed to the upper rear wall 10b (= predetermined position) of the front frame 10 with the knob bolt 19.
A temporary fastener 20 that temporarily secures the lower portion 5 b of the seat upper support 5 to the front frame 10 is provided on the front frame 10.
The temporary fastener 20 is a hook-like protrusion provided on the upper rear wall 10b of the front frame 10 so as to protrude rearward. When the seat portion 3 is set to the use position, the lower portion 5b of the seat portion upper support 5 is once hooked on the temporary fastener 20 and temporarily fixed, and then the seat upper support 5 is screwed to the front frame 10.

The seat part 3 and the seat part support part 4 are stored outside the walking area 12 of the seat-part-accommodating walking vehicle 1 in the storage position.
If the knob bolt 19 is removed, the lower part 5b of the seat upper support 5 screwed to the upper rear wall 10b (= predetermined position) of the front frame 10 can be detached from the front frame 10.
The seat lower support 18 can rotate around its lower portion 18b, and the seat 3 and seat upper support 5 can be rotated forward of the leg frame 7 and moved to the storage position.

A fixing piece 21 is provided on the upper front wall 10c (= other predetermined position) of the front frame 10 facing forward. The fixed piece 21 is attached to the upper front wall 10c by a hinge 22.
When the seat portion 3 is in the storage position, the lower portion 5b of the seat portion upper support 5 is to the fixed piece 21 that protrudes forward to the upper front wall 10c (= other predetermined position) of the front frame 10. Screwed with a knob bolt 19.
When the lower part 5b of the seat upper support 5 is not fixed to the fixed piece 21, the fixed piece 21 is in a suspended state.

  The seat upper support 5 is suspended between the front frame 10 and the seat frame 23. An upper part 5 a is attached to the seat frame 23 and a lower part 5 b is a four-bar link 24 configured to be attached to the vertical piece 17, and the vertical piece 17 is attached to the front frame 10.

The four-bar link 24 includes two parallel arms (= upper and lower parallel arms 26 and 27), a seat frame 23 on which each upper portion of the parallel arms 26 and 27 is fixed, and an upper and lower parallel arm 26. -It consists of the vertical piece 17 by which each lower part of 27 is axially fixed.
As shown in FIG. 5, the lower portion of the upper parallel arm 26 is fixed to the upper end of the vertical piece 17 by a shaft 34. The lower part of the lower parallel arm 27 is fixed to the lower end of the vertical piece 17 by a shaft 34. A female screw 28 is formed at the center.

The upper and lower parallel arms 26 and 27 are fitted inside the vertical piece 17, and the vertical piece 17 is screwed to the front frame 10 by screwing the knob bolt 19 with the female screw 28.
When the seat portion 3 is changed to the storage position, the vertical piece 17 is detached from the front frame 10 and moved to the front portion of the front frame 10. With this movement, the four-bar link 24 and the seat lower support 18 move to the front part of the seat retractable walking vehicle 1.

  The seat lower support 18 is a stretchable body 41 having an upper part 18a attached to the seat part frame 23 and a lower part 18b attached to the lower part 10d of the front frame 10.

The elastic body 41 is a member that expands and contracts, and the elastic body 41 incorporates a lock mechanism (not shown) that locks the expansion and contraction of the elastic body 41.
The elastic body 41 has a biasing force in the extending direction when the lock is released, and biases the seat frame 23 upward. A specific example of the elastic body 41 is a gas spring.

The release tool 25 is provided in the seat frame 23 and is in a position where an assistant can hold it together with the seat 3 with one hand.
The release tool 25 is configured at a portion where the elastic body 41 and the seat frame 23 are connected, and includes a lever 29 and a link fitting 30. The link fitting 30 is rotated by a lever 29 and presses a push rod (not shown) of the stretchable body 41 to release the locking action of the stretchable body 41.

When the release tool 25 is moved upward, the link fitting 30 pushes in and retracts the push rod of the expansion / contraction body 41, and the expansion / contraction body 41 becomes in a telescopic state.
When the release tool 25 is released and moved downward by a spring (not shown), the link fitting 30 is separated from the push rod of the elastic body 41, the push rod protrudes back, and the expansion / contraction action of the elastic body 41 is in an inoperable state (locked state). )

The seat 3 is composed of a seat frame 23 attached to the front portion of the seat support 4 and a seat surface 31 attached to the upper portion of the seat frame 23, on which a patient sits. The planar view shape of the seat portion 3 is similar to the front view shape of the substantially Erlenmeyer flask.
The seat portion 3 is supported by a seat portion support portion 4 composed of a four-bar link 24 and a telescopic body 41, and a use position where the seat portion 3 has advanced into the walking area 12 in the center of the seat portion storage type walking vehicle 1 and a seat portion storage type walking. It is configured to be movable to a storage position that approaches the front of the vehicle 1.

  Further, the seat 3 is in the use position, and the seat is attached to the upper portions of the upper and lower parallel arms 26 and 27 by rotating in the vertical direction around the lower portions of the upper and lower parallel arms 26 and 27. Part 3 moves up and down.

The elbow rest 9 is for a patient to put an elbow on, and the elbow rest 9 is attached to the top of the elbow support 8 in a forward tilting posture in which the elbow support 9 is slightly lowered forward and in an inclining posture in which the inward tilt is slightly lowered inward. Is done.
On the left and right of the front part of the elbow support 9, grip portions 32 that are gripped by the patient are provided in an obliquely upward direction.

  A back support 33 is provided at the rear of the elbow support 9 so as to be in contact with the back of the patient as needed and to support the back of the patient.

A walking motion and a standing motion are performed using the seat-part-accommodating walking vehicle 1 according to the first embodiment of the present invention.
When Example 1 is used for walking exercise, the patient sits on the seat 3 and puts his elbow on the elbow support 9 set to the forward tilted posture and the inward tilted posture.
The height of the elbow rest 9 is adjusted, the patient is placed in a standing posture suitable for walking, and walking motion is performed.

  Adjustment of the height of the elbow support 9 allows the inner cylinder 14 to freely move up and down while releasing the locking action of the column lock 15. The elbow support 9 is adjusted to a suitable height, the support lock 15 is operated, the inner cylinder 14 is tightened with the outer cylinder 13, and the vertical movement of the elbow support 9 is fixed.

The seat part support part 4 supports the seat part 3 so that raising and lowering is possible.
The height of the seat 3 is adjusted by an assistant who lifts the lever 29 slightly to unlock the telescopic body 41 and lifts or pushes the seat 3 upward to adjust the height to a suitable height. Thereafter, the lever 29 is released and fixed at the height.

The stretchable body 41 is contracted by the assistant as the seat portion 3 is lowered, and is extended as the seat portion 3 is raised.
The release tool 25 releases the fixing action that prevents the elastic body 41 from always expanding and contracting when the height of the seat portion 3 is changed.
The seat portion 3 can be moved from the use position to the storage position and can be adjusted in height at the use position.

At this time, the seat portion 3 moves while the seat surface portion 31 is kept horizontal by the parallel movement of the four-bar link 24, and the relative position of the lever 29 to the seat portion 3 is related to the height of the seat portion 3. It is constant.
When the patient walks, the wheel 11 rotates and Example 1 assists walking.

  If the patient's walking ability is at a high level and the seat portion 3 becomes obstructive during walking motion, the seat portion 3 is moved to the front portion of the seat housing type walking vehicle 1 and moved to the stowed position.

When the seat portion 3 is in the use position, the vertical piece 17 is screwed to the upper portion 10a (= predetermined position) of the front frame 10.
When changing to the storage position, the assistant first removes the vertical piece 17 from the front frame 10 by loosening the knob bolt 19.
Next, the vertical piece 17 is lifted and moved to the front of the front frame 10.
The seat part 3 and the seat part upper support tool 5 are moved to the storage position by rotating around the shaft 34 of the lower part 18b of the seat part lower support tool 18.

Lower the vertical piece 17 to the bottom. The four-bar link 24 moves while deforming, and the upper and lower parallel arms 26 and 27 become vertical.
There is a seat 3 at the top of the upper and lower parallel arms 26 and 27 in the above-mentioned posture, and the seat surface 31 is vertical.
The seat part support part 4 stands up, and the seat part 3 and the seat part support part 4 are brought out of the walking area 12 of the seat part storage type walking vehicle 1 and stored.

The vertical piece 17 is fixed to a fixing piece 21 (= in another predetermined position) protruding forward from the front frame 10 with a knob bolt 19, and the four-bar link 24 is fixed.
In this state, the seat portion 3 and the seat portion support portion 4 are in the storage position.

When the seat portion 3 is returned to the use position, the vertical piece 17 is removed from the fixed piece 21, moved to the rear of the seat-part-accommodating walking vehicle 1, and screwed to the upper rear wall 10 b of the front frame 10. The upper support 5 is set to a predetermined position.
At that time, the vertical piece 17 is temporarily fixed to the temporary fastener 20, and then the vertical piece 17 is screwed to the front frame 10 with the knob bolt 19. The seat portion 3 is positioned approximately at the center of the leg frame 7 in plan view and set to the use position.

When Example 1 is used for a standing motion, the rotation of the wheel 11 is locked, and the patient sits on the seat 3 and puts his elbow on the elbow support 9.
The patient grasps the grip portion 32, stands up while moving the upper body forward, and shifts from the sitting posture to the standing posture. Subsequently, the standing posture is changed to the sitting posture. These operations are repeated as appropriate.

In the second embodiment shown in FIG. 6, the four-bar link 24 of the first embodiment is replaced with the upper straight frame 35, and the stretchable body 41 is replaced with the lower straight frame 40.
In the second embodiment, the lower part of the upper frame 35 is attached to the vertical piece 17 and the upper part is attached to the seat portion 3.
When the seat portion 3 is in the use position, the vertical piece 17 is screwed to the upper rear wall 10 b of the front frame 10.

  When the seat portion 3 is in the storage position, the vertical piece 17 is removed from the upper rear wall 10 b and moved to the front portion of the front frame 10, and the lower straight frame 40 and the seat portion 3 are rotated about the shaft 34. Next, the vertical piece 17 is screwed to the front wall of the front frame 10 with a knob bolt 19.

  A slide pipe 36 is suspended and attached to the lower portion 4b of the seat portion 3. The slide pipe 36 is provided on the seat frame 23 so as to be slidable in the vertical direction, and is fixed at an appropriate position by a fastener 37. The height of the seat portion 3 is changed / set by adjusting the fixed position of the slide pipe 36.

In Example 3 shown in FIG. 7, the front frame 10 of Example 2 is replaced with a hanging frame 38 attached to the leg frame 7 in a hanging shape.
In the third embodiment, the lower part of the lower frame 40 is pivotally supported on the lower part of the hanging frame 38. The temporary fastener 20 is formed by projecting a short bar member having a rounded tip upward on the leg frame 7.
In the use position, the lower part of the upper frame 35 is screwed to the leg frame 7.

  When setting the lower part of the upper frame 35 to the leg frame 7, first, the small hole 39 of the upper frame 35 is externally fitted to the temporary fastener 20, and then the upper frame 35 is fixed to the leg frame 7 with the knob bolt 19, Set the seat 3 to the use position.

  When changing to the storage position, the knob bolt 19 is removed from the leg frame 7, the upper straight frame 35 is moved in front of the leg frame 7, and the lower part of the lower straight frame 40 is rotated around the lower part frame 40. 7 is moved to a position above the front side 7c, and the middle part of the upper frame 35 is screwed to the front wall of the front side 7c.

  The leg frame 7 that can run on the floor surface 6, the elbow support 8, the elbow support 9, the seat portion 3, and the lower portion 4 b are attached to the leg frame 7, and the upper portion 4 a is attached to the seat portion 3. In the walking vehicle 2 having the supporting seat support section 4, the sitting section support section 4 includes a sitting section upper support tool 5 and a sitting section lower support tool 18, and the lower part 4 b of the sitting section upper support tool 5 is legged. Detach from the frame 7, rotate around the lower portion 18b of the seat lower support 18 and move the seat 3 and seat upper support 5 to the storage position, and seat 3 and seat support 4 seated. The present invention can be applied to an item stored outside the walking area 12 of the partially retractable walking vehicle 1.

It is a right view of the walking vehicle with the seat part which concerns on Example 1 of this invention in use. It is a right view of the walking vehicle in which the seat part which concerns on Example 1 of this invention is stored. It is a front view of the walking vehicle of Example 1 of this invention. It is a top view of the walking vehicle of Example 1 of this invention. It is a figure which shows the vertical piece which concerns on Example 1 of this invention. It is a right view of the walking vehicle of Example 2 of this invention. It is a right view of the walking vehicle of Example 3 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Seat part storing type walking vehicle 2 Walking car 3 Seat part 4 Seat part support part 4a upper part 4b lower part 5 Seat part upper support tool 5b lower part 6 Floor surface 7 Leg frame 7c Front side 8 Elbow support 9 Elbow support 10 Front frame 12 Walking Area 18 Seat lower support 18a upper 18b lower 20 temporary fastener

Claims (3)

The leg frame (7), the elbow support (8), the elbow support (9), the seat (3), and the lower part (4b) that can run on the floor (6) are attached to the leg frame (7). In the walking vehicle (2), the upper part (4a) has a seat support part (4) attached to the seat part (3).
The seat support part (4) comprises a seat part upper support tool (5) and a seat part lower support tool (18),
The lower part (5b) of the seat upper support (5) is detached from the leg frame (7) and is rotated around the lower part (18b) of the lower support (18) of the seat while the seat (3) and Move the seat upper support (5) to the storage position,
A seat-part storing type walking vehicle that stores the seat part (3) and the seat support part (4) from the walking area (12) of the walking car (2). The front frame (10) is erected on the front side (7c) of the leg frame (7),
When the seat (3) is in the use position, the lower part (5b) of the seat upper support (5) can be screwed into a predetermined position of the front frame (10), and in the stowed position, the other part of the front frame (10) The seat-retractable walking vehicle according to claim 1, wherein the seat-retractable walking vehicle is configured to be screwed into a predetermined position. A temporary fastener (20) for temporarily securing the lower part (5b) of the seat upper support (5) is provided on the front frame (10),
When setting the seat (3) to the use position, the lower part (5b) of the seat upper support (5) is temporarily secured to the temporary fastener (20), and then the seat upper support (5) is moved forward. The seat-retractable walking vehicle according to claim 1, wherein the vehicle is screwed to the frame (10).

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