Assist device

Abstract

To provide an assist device enabling detachable removal of a support member for receiving a part of the body of a care receiver, and capable of effectively preventing careless falling.SOLUTION: An assist device is configured such that: a support member 90 is constituted to be attachable / detachable to / from a rod-like member 60; the support member 90 includes a groundwork member 50 having a cylindrical part 51 insertable along an axial direction X of a rod-like member 60; a positioning mechanism 80 for positioning a fitting position in the axial direction X of the support member 90 and a lock mechanism 70 for fixing the support member 90 to remain at the fitting position are provided; the positioning mechanism 80 includes a locking part 81 and a locked part 82; and the lock mechanism 70 includes a lock member 72 having a protrusion 71 projecting from an outer peripheral surface of the rod-like member 60 in an outward radial direction and capable of entering the inside of the rod-like member 60, and a lock hole part 73 disposed in the groundwork member 50 and allowing the protrusion 71 to be inserted.SELECTED DRAWING: Figure 6

Description

[Technical field]

[0001] The present invention relates to a care device, and more particularly to a care device in which a support member for receiving a body part of a person being assisted is detachably attached to a rod-shaped member. [Background technology]

[0002] When a person being assisted, such as a disabled person or an elderly person, is unable to maintain a sitting position by himself / herself when seated on a sit-down toilet (Western-style toilet), it is desirable to stabilize the upper half of the body of the person being assisted. For this reason, in the past, assistance devices have been proposed that support the upper half of the person being assisted from the left and right sides and from the front when the person being assisted, seated on the seat of a sit-down toilet or the like, is unable to maintain a sitting position by himself / herself (see, for example, Patent Document 1).

[0003] Specifically, in the assistance device of Patent Document 1, a pair of left and right side frame sections that prevent the person being assisted seated on the seat from falling sideways are supported on a base member arranged behind the seat so that they can swing up and down, and a front arm section that supports the front part of the upper body of the person being assisted is supported on these side frame sections so that it can rotate. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2020-188882 A Summary of the Invention [Problem to be solved by the invention]

[0005] A cushion member for receiving the upper body of the person being assisted is attached to the front arm of the assistance device disclosed in Patent Document 1. This cushion member is a support member for receiving a part of the body of the person being assisted, and is detachably attached to a rod-shaped member such as a pipe that constitutes the front arm of the assistance device.

[0006] Here, as described above, the assistance device disclosed in Patent Document 1 can be set to a waiting position in which the tip of the front arm is facing upward by rotating the front arm, and in this state, the person being assisted can sit on or leave the seat of the sit-down toilet with the assistance of a caregiver as necessary. Here, there has been a request from the person being assisted and the caregiver who uses the assistance device disclosed in Patent Document 1 to use the front arm in the waiting position as a handrail and as a gripping aid when the person being assisted transfers. On the other hand, as described above, the front arm may be attached with a support member for receiving a part of the body of the person being assisted, and it has been desired that such a support member be easily removable for the convenience of cleaning the assistance device.

[0007] The present invention has been made to solve the above problems. The present invention provides an assistance device having a detachable support member for receiving a part of the body of a person being assisted, which can easily remove the support member as needed and can effectively prevent the support member from accidentally falling off. [Means for solving the problem]

[0008] According to the present invention, there is provided an assist device as described below.

[0009] [1] A care device in which a support member for receiving a part of the body of a person being assisted is detachably attached to a rod-shaped member, the support member includes a base member having a tubular portion into which the rod-shaped member can be inserted in an axial direction of the rod-shaped member, a positioning mechanism for positioning an axial mounting position of the support member relative to the rod-shaped member, and a locking mechanism for fixing the support member at the mounting position, the positioning mechanism includes a locking portion provided on one of an outer periphery of the rod-shaped member and an inner periphery of the base member, and a locked portion provided on the other of the outer periphery of the rod-shaped member and to which the locking portion is locked, the locking mechanism includes a locking member having a protrusion that protrudes radially outward from an outer circumferential surface of the rod-shaped member and can be recessed into the rod-shaped member, and a locking hole portion that is provided in the base member and into which the protrusion can be inserted, When the support member is positioned at the mounting position in the axial direction by the positioning mechanism, the convex portion of the locking member is inserted into the locking hole portion and fixed to remain in the mounting position, and when the support member is pressed by an operator, the convex portion detaches from the locking hole portion and the fixation in the axial direction is released.

[0010] [2] The locking member biases the protrusion in a radially outward direction, The assistance device described in [1], wherein when the support member is attached to the rod-shaped member, the locking member enables the base member to move in the axial direction with the convex portion pressed into the inside of the rod-shaped member by the inner surface of the base member.

[0011] [3] The assistance device described in [1] or [2], wherein the support member is attached in a rotatable state in the circumferential direction of the rod-shaped member, and the lock hole portion extends along the circumferential direction so as to restrict the rotation of the support member within a predetermined angle range.

[0012] [4] The assistance device described in [3], wherein the engaged portion of the positioning mechanism extends along the circumferential direction so as to restrict rotation of the support member within the specified angle range.

[0013] [5] A base member disposed near a seat on which the person being assisted is seated; a side member attached to the base member and positioned on a side of the person being assisted seated on the seat portion, The assistance device according to [1] or [2], wherein the rod-shaped member is attached to the side member or the base member. Effect of the Invention

[0014] According to the present invention, in an assistance device in which a support member for supporting part of the body of a person being assisted is removably attached, the support member can be easily removed when necessary and the support member can be effectively prevented from falling off inadvertently. [Brief description of the drawings]

[0015] [Figure 1] 1 is a plan view of an assistance device according to an embodiment of the present invention installed on a seat-type toilet bowl. [Diagram 2] FIG. 2 is a side view showing the assistance device shown in FIG. 1 in a used state in which the front arm member is in a use position and supports the upper body of a person being assisted who is seated on the sit-down toilet. [Diagram 3] 2 is a perspective view of the care device shown in FIG. 1, showing a state in which a front arm member is in a retracted position. FIG. [Figure 4] 2 is an enlarged perspective view of a main portion of a support member attached to a rod-shaped member of a front arm member in the care device shown in FIG. 1, as viewed from the front side. FIG. [Diagram 5] 5 is a partially cutaway perspective view of the support member shown in FIG. 4, as viewed from the rear side. [Figure 6] FIG. 13 is an enlarged perspective view of a main portion for explaining a state in which a support member is attached to a front arm member. [Figure 7] FIG. 11 is a cross-sectional view taken perpendicular to the axis of the forearm member, illustrating that the support member can rotate in the circumferential direction of the rod-shaped member. [Figure 8] FIG. 8 is a cross-sectional view taken along the axis of the forearm member shown in FIG. [Figure 9] FIG. 13 is a perspective view of a care device according to a modified embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0016] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. It should be understood that the present invention is not limited to the following embodiment, and that appropriate design changes, improvements, etc. may be made based on the ordinary knowledge of a person skilled in the art without departing from the spirit of the present invention.

[0017] 1 to 3 show an example of an assistance device K according to an embodiment of the present invention. Fig. 1 to 3 show an example in which the assistance device K is installed on a seat-type toilet 1. Fig. 1 is a plan view showing an example of a toilet in which the assistance device K is installed on the seat-type toilet 1, Fig. 2 is a side view showing a state in which the assistance device K is in use supporting the upper body of a person being assisted P who is seated on the seat-type toilet 1, and Fig. 3 is a perspective view showing a state in which a front arm member 30 of the assistance device K is in a retracted position.

[0018] Here, Fig. 1 shows an example of a toilet (toilet room or toilet booth) that is wheelchair accessible. In Fig. 1, reference numeral 1 denotes a seat-type toilet. Also, a handrail device T is provided on the right side of the seat-type toilet 1. The handrail device T is for enabling a person P to be assisted to maintain an upright position.

[0019] The assistance device K comprises a base member 10 arranged near a seat (e.g., seat 1a of a sit-down toilet 1) on which the person being assisted P sits, and a side member 20 attached to the base member 10 and positioned to the side of the person being assisted P seated on the seat 1a.

[0020] The base member 10 has a mounting portion 13 placed on the floor, a pair of left and right vertical support members 11 erected on each mounting portion 13, and a cross member 12 extending in the left-right direction to connect the upper ends of the pair of left and right vertical support members 11, and is generally formed into a gate-like shape. Each member constituting the base member 10 is formed of a metal square pipe. The rear part of the sit-down toilet 1 is disposed in the space below the cross member 12 between the pair of left and right vertical support members 11. The base member 10 is a floor-standing type that is not affected by the structure of the sit-down toilet 1 (flush valve and low tank). The base member 10 (the mounting portion 13) only needs to be disposed near the sit-down toilet 1, and can be fixed to the sit-down toilet 1 or fixed to the floor surface. In addition, a gap adjustment member 14 that fills the gap between the sit-down toilet 1 and the pair of left and right vertical support members 11 is attached.

[0021] The side members 20 of the care device K have a pair of left and right side frame portions 21 and a pair of left and right front arm members 30. The side frame portions 21 and the front arm members 30 form a support member in the care device K. In this embodiment, the care device K further has a rear frame portion 23 and a movable connecting mechanism 40.

[0022] A pair of side frame parts 21 are provided on the left and right sides, and each is bent in a U-shape that opens backward. The lower end of the side frame part 21 is connected to a movable connecting mechanism 40. The pipe material described below is, for example, made of a metal core material and a synthetic resin covering material, but is not limited to this. Each side frame part 21 has, broadly speaking, an upper frame part 27 extending in the front-rear direction, a lower frame part 28 extending downward from the front end of the upper frame part 27 and then extending backward, and a vertical frame part 29 connecting the upper frame part 27 and the lower frame part 28. The rear end of the lower frame part 28 is attached to the vertical support member 11 via the movable connecting mechanism 40 so as to be able to swing.

[0023] Of the pair of left and right side frame parts 21, the rear ends of the upper frame parts 27 are connected to each other by the rear frame part 23 that extends in the left-right direction in a horizontal state. In this embodiment, the side frame parts 21 and the rear frame part 23 are integrally formed by bending the same pipe material. The side frame parts 21 and the rear frame part 23 may be formed as separate parts and assembled by connecting them. By connecting the pair of left and right side frame parts 21 and the rear frame part 23, the rigidity as a whole is improved, and by swinging one side frame part 21, the other side frame part 21 also swings in conjunction with this. A back support member 25 is attached to the rear frame part 23.

[0024] The movable connecting mechanism 40 has a connecting bracket 41 fixed to the vertical support member 11 of the base member 10. The side frame portion 21 (the rear end of the lower frame portion 28 therein) is connected to the connecting bracket 41 by a connecting portion 42 so as to be swingable in the up-down direction. The side frame portion 21 can be swung about the connecting portion 42 to change its forward downward angle (forward tilt angle).

[0025] Next, the front arm member 30 includes a rod-shaped member 60 formed into a substantially L-shape by bending a pipe material, and a support member 90 attached to the rod-shaped member 60. The rod-shaped member 60 has a main body 61 to which the support member 90 is attached, and an attachment portion 62 that constitutes the side that is attached to the connecting bracket 41. That is, the rod-shaped member 60 has the attachment portion 62 that is along the upper frame portion 27 of the side frame portion 21, and the main body portion 61 that is bent at approximately 90 degrees and extends from the attachment portion 62. Such a front arm member 30 is provided for each of the left and right side frame portions 21. A cap 63 that is substantially hemispherical or R-chamfered is provided at the tip of the main body portion 61. A joint member (not shown) is attached to the rear end of the attachment portion 62. The joint member is formed of, for example, metal, and is fixed to the attachment portion 62 made of a pipe material by a fastener such as a bolt. The support member 90 is for receiving a part of the body of the person being assisted P, and is detachably attached to the rod-shaped member 60. For example, as shown in Fig. 2, the support member 90 is attached to the rod-shaped member 60 so as to be located in front of the person being assisted P seated on the seat 1a. In addition, an arm rest member 24 is attached to the connecting bracket 41 and the attachment portion 62 of the rod-shaped member 60.

[0026] The mounting portion 62 of the rod-shaped member 60 and the upper frame portion 27 of the side frame portion 21 are connected via the connecting bracket 26. The connecting bracket 26 is fixed to the side frame portion 21, and the front arm member 30 is rotatably attached thereto. This allows the rod-shaped member 60 to selectively take an in-use position (see, for example, FIG. 2) in which the main body portion 61 to which the support member 90 is attached extends horizontally, and a retracted position (see, for example, FIG. 1 and FIG. 3) in which the tip portion faces upward. The main body portion 61 of the rod-shaped member 60 can be locked by the connecting bracket 41 against rotation in the retracted position.

[0027] Here, support members 90 for receiving the upper body of the person being assisted P are attached to the main body parts 61 of the pair of left and right rod-shaped members 60. In this embodiment, the main configuration is particularly related to the attachment structure of such support members 90. Hereinafter, the attachment structure of the support members 90 to the rod-shaped members 60 (main body parts 61) will be described in further detail with reference to Figs. 4 to 8.

[0028] Here, Fig. 4 is an enlarged perspective view of a main part of the support member attached to the rod-shaped member of the forearm member in the assistance device shown in Fig. 1, as viewed from the front side (the side opposite to the side that receives the body of the person being assisted). Fig. 5 is a partially cutaway perspective view of the support member shown in Fig. 4, as viewed from the rear side (the side that receives the body of the person being assisted). Fig. 6 is an enlarged perspective view of a main part for explaining the attachment state of the support member to the forearm member. Fig. 7 is a cross-sectional view perpendicular to the axis of the forearm member for explaining that the support member can rotate in the circumferential direction of the rod-shaped member. Fig. 8 is a cross-sectional view along the axis of the forearm member shown in Fig. 7.

[0029] First, the support member 90 includes a base member 50 having a cylindrical portion 51 that can be inserted along the axial direction of the rod-shaped member 60. A pair of plate-like portions 52 protruding in a direction perpendicular to the axial direction of the cylindrical portion 51 are provided on the side of the cylindrical portion 51, and a support member 90 that receives a part of the body of the person being assisted P (for example, that may come into contact with a part of the body of the person being assisted P) is arranged so as to cover one side of the base member 50. In this embodiment, the support member 90 functions as a chest rest for the person being assisted P. Examples of the support member 90 include an elastic member (a member having elasticity such as rubber or synthetic resin), and a handrail member or armrest member for maintaining the posture of the person being assisted P. The support member 90 has a support surface 95 that receives a part of the body of the person being assisted P formed in a curved shape. On the side of the support member 90 opposite to the support surface 95, an attachment groove portion is formed having a curved groove portion 91 into which the back side portion 51B of the cylindrical portion 51 is fitted, and a shallow groove portion 92 into which the plate-like portion 52 is fitted. The support member 90 is configured so that, when fitted into (the back side portion 51B of) the cylindrical portion 51, the lock hole portion 73 provided in the front side portion 51A of the cylindrical portion 51 is exposed to the outside. The base member 50 can be made of metal, hard synthetic resin, or the like. The support member 90 and the base member 50 are fixed by adhesive.

[0030] The support member 90 is detachably attached to the rod-shaped member 60 by inserting the base member 50 (the cylindrical portion 51) along the axial direction X of the rod-shaped member 60. By attaching the support member 90 to the rod-shaped member 60, the support member 90 is disposed so as to face the person being assisted P seated on the sit-down toilet 1.

[0031] In this embodiment, the care assist device K has a positioning mechanism 80 that positions the mounting position of the support member 90 in the axial direction X, and a locking mechanism 93 that fixes the support member 90 so that it remains at the mounting position. With this configuration, the support member 90 can be easily removed as needed, and the support member 90 can be effectively prevented from accidentally falling off.

[0032] In this embodiment, as the positioning mechanism 80, a locking portion 81 is provided on the outer periphery of the rod-shaped member 60, and a locked portion 82 is provided on the inner periphery of the base member 50. The locking portion 81 of the rod-shaped member 60 is configured by fixing a guide pin made of a bolt and a part of it protruding from the outer periphery of the rod-shaped member 60. The locked portion 82 of the base member 50 is configured by a groove-shaped portion in which one end side of the tubular portion 51 of the base member 50 is partially cut out along the circumferential direction. By having the positioning mechanism 80 configured in this manner, when the support member 90 is inserted along the axial direction X of the rod-shaped member 60, movement beyond the mounting position in the axial direction X can be effectively restricted, and the support member 90 can be positioned at an appropriate mounting position in the axial direction X of the rod-shaped member 60.

[0033] The locking mechanism 70 is for fixing the support member 90 positioned by the positioning mechanism 80 so that it remains in an appropriate mounting position. In this embodiment, the locking mechanism 70 includes a locking member 72 that protrudes radially outward from the outer circumferential surface of the rod-shaped member 60 and has a protrusion 71 that can be recessed inside the rod-shaped member 60, and a locking hole 73 that is provided in the base member 50 and into which the protrusion 71 can be inserted.

[0034] When the support member 90 is positioned at the mounting position in the axial direction X by the positioning mechanism 80, the protrusion 71 of the locking member 72 is inserted into the locking hole 73 and fixed so as to remain at the mounting position. Then, when an operator such as the assisted person P using the assistance device K or an assistant (not shown) presses the support member 90, the protrusion 71 that has been recessed inside is released from the locking hole 73, and the support member 90 is released from the fixation in the axial direction X.

[0035] In this embodiment, the locking member 72 of the locking mechanism 70 is configured to bias the protrusions 71 radially outward. Therefore, when the support member 90 is attached to the rod-shaped member 60, the locking member 72 allows the base member 50 to move in the axial direction X in a buried state against the elastic biasing force by pressing the protrusions 71 against the inner circumferential surface of the base member 50 (the cylindrical portion 51 of the base member 50). With this configuration, the support member 90 can be attached to the rod-shaped member 60 and fixed in a state positioned by the positioning mechanism 80 in an extremely easy manner.

[0036] An example of the locking member 72 that biases the convex portion 71 radially outward is one that is made of an elastic piece 74 arranged inside the cylindrical rod-shaped member 60. The elastic piece 74 is, for example, a metal plate bent into a V-shape (or U-shape) with both ends separated, and the convex portion 71 that protrudes radially outward from the outer circumferential surface of the rod-shaped member 60 is arranged on one end side. The other end side of the elastic piece 74 is arranged in contact with the inner circumferential surface of the cylindrical rod-shaped member 60, thereby biasing the convex portion 71 arranged on the one end side radially outward.

[0037] The protrusion 71 is preferably arranged to avoid a portion of the support member 90 that may come into contact with a part of the body of the person being assisted P, and more preferably arranged in a portion that is difficult for the user to touch when the support member 90 attached to the rod-shaped member 60 is used as an auxiliary tool such as a handrail. For example, the protrusion 71 is arranged so as to protrude from the surface opposite to the side on which the support member 90 for receiving a part of the body of the person being assisted P is arranged during normal use of the assistance device K, and is preferably arranged in the middle portion from the insertion tip to the insertion end in the axial direction X of the base member 50 or closer to the insertion tip than the middle portion. By configuring in this way, it is possible to effectively suppress erroneous operation due to unintentional contact with the protrusion 71, both during normal use of the assistance device K and when the user grasps the support member 90 as an auxiliary tool such as a handrail. For this reason, even if the person being assisted P leans on the support member 90 when the forearm member 30 is in the use position, the support member 90 will not inadvertently come off from the rod-shaped member 60, and even if the person being assisted P grabs the support member 90 when the forearm member 30 is in the retracted position, the support member 90 will not inadvertently come off from the rod-shaped member 60. Furthermore, by having the locking mechanism 70 as described above, the support member 90 can be easily removed from the rod-shaped member 60 when cleaning, and the support member 90 can also be easily attached after cleaning.

[0038] In this embodiment, the support member 90 includes an elastic member (an elastic member such as rubber or synthetic resin) that is integrated with the base member 50 so as to cover one side of the base member 50. The upper body of the person being assisted is gently supported by the support member 90 (the elastic member) attached to the rod-shaped member 60.

[0039] The support member 90 is attached to the rod-shaped member 60 in a state in which it can rotate in the circumferential direction, and the lock hole portion 73 is formed to extend along the circumferential direction so as to restrict the rotation of the support member 90 within a predetermined angle range. Similarly to the lock hole portion 73, the locked portion 82 of the positioning mechanism 80 is also formed to extend along the circumferential direction so as to restrict the rotation of the support member 90 within the predetermined angle range. By configuring in this way, the support member 90 is made rotatable by a predetermined angle with respect to the circumferential direction of the rod-shaped member 60. Therefore, depending on the difference in the physique of the person being assisted, the support member 90 attached to the rod-shaped member 60 can be rotated in the circumferential direction as appropriate and always be in a posture state that is preferable for support. In FIG. 7, the support member 90 at the end of the rotation stroke is shown by a two-dot chain line.

[0040] Although the embodiment has been described above, the present invention is not limited to the embodiment, and appropriate modifications are possible within the scope of the claims. The front arm member 30 may be swung (swung in a horizontal plane) around an axis extending in the vertical direction, so that the position can be changed between the use position and the retreat position. In addition, in the care device K2 shown in FIG. 9, the lower frame portion 28α and the vertical frame portion 29α are arranged in a front-to-back manner from the above-mentioned embodiment, and the upper end portion of the vertical frame portion 29α is connected to the rear frame portion 23. In addition, the front arm member 30α of the care device K2 is integrally formed with the main body portion 61α of the rod-shaped member 60α and the upper frame portion 27α (side member), and the mounting portion 62α is extended downward from the rear end portion of the upper frame portion 27α. The mounting portion 62α of the front arm member 30α is swingably attached to the vertical frame portion 29α by the connecting bracket 26α. It is preferable that the forearm member 30 in the standby position is locked in a position extending vertically or horizontally toward the front or outside of the seat, so that the caregiver or the person being assisted can use the forearm member 30 in the standby position as a handrail. The forearm member 30 may be provided on only one of the pair of left and right side frame parts 21. The other parts of the care assisting device K2 shown in FIG. 9 are the same as those in the above-mentioned embodiment, so that the same reference numerals are used for the same configurations in the drawings and the description is omitted.

[0041] The support member 90 shown in Figs. 4 to 8 is formed so that the lock hole 73 and the engaged portion 82 provided in the tubular portion 51 of the base member 50 extend along the circumferential direction of the rod-shaped member 60. However, for example, the lock hole 73 may be large enough to fit the convex portion 71, and the engaged portion 82 may be large enough to fit the engaging portion 81, so that the support member 90 does not rotate a predetermined angle in the circumferential direction, and may be shaped to cover the entire circumference of the rod-shaped member 60. The support member 90 detachably attached to the rod-shaped member 60 may not have cushioning properties, and may be, for example, an armrest or handrail that covers a part of the rod-shaped member 60. There is no particular restriction on the material of such a support member 90, and it may be made of wood, synthetic resin, metal, etc., and it is preferable that the surface of the support member 90 is flat or smoothly curved so that it does not cause pain when pressed against a part of the body of the person being assisted P.

[0042] Although not shown, the rear frame section 23 may be provided with a rod-shaped member 60 having a protrusion 71 as shown in Figs. 4 to 8, and the back support member 25 provided on the rear frame section 23 may be the "support member" of the present invention. If the rear frame section 23 is not provided, the cross member 12 of the base member 10 may be provided with a rod-shaped member 60 having a protrusion 71, or the cross member 12 itself may be provided with a protrusion 71, and the "rod-shaped member" of the present invention may be provided. The arm support member 24 may be the "support member" of the present invention by providing the mounting section 62 of the rod-shaped member 60 with the "lock mechanism" of the present invention. Furthermore, the side member 20 may be provided with a rod-shaped member 60 having a protrusion 71, or the side member 20 may be provided with a protrusion 71, and the "rod-shaped member" of the present invention may be provided.

[0043] In addition, in this embodiment, a locking portion 81 is provided on the outer periphery of the rod-shaped member 60, and a locked portion 82 is provided on the inner periphery of the base member 50, but it is sufficient that the locking portion 81 as the positioning mechanism 80 is provided on either the outer periphery of the rod-shaped member 60 or the inner periphery of the base member 50, and the locked portion 82 to which the locking portion 81 is locked is provided on the other one.

[0044] Furthermore, the locking member 72 that biases the protrusion 71 radially outward is not limited to the elastic piece 74 made of a metal plate bent into a V-shape (or U-shape), and may be another member having spring elasticity, for example, a plunger with a built-in spring material and a protruding and retracting tip, embedded in the rod-shaped member 60. Furthermore, the rod-shaped member 60 is not limited to a pipe material, and may be a solid material.

[0045] The side frame portion 21 and the rear frame portion 23 may adopt an appropriate structure, for example, may be configured to form a surface (formed in a planar shape). When configured to form a surface, they may be configured only from plate material, or may be configured by combining plate material with pipe material. The plate material used may be a metal plate or a plastic plate (particularly a fiber-reinforced plastic plate), or a perforated plate.

[0046] The equipment having a seat to which the present invention is applicable is not limited to a sit-down toilet, but includes appropriate items such as a fixed chair for resting, a fixed chair in a viewing position, etc. Also, the assistance device of the present invention is not limited to the above-mentioned one disposed near the seat, so long as it is an assistance device in which a support member for receiving a part of the body of the person being assisted is detachably attached to a rod-shaped member, and may be, for example, an assistance device such as a handrail device T that allows the person being assisted P to maintain an upright position. [Industrial Applicability]

[0047] The present invention can be used as an assistance device for disabled people or elderly people who cannot maintain a standing or sitting position by themselves. [Explanation of symbols]

[0048] P: Assisted person, K: Assistive devices, T: Handrail device, 1: Sit-down toilet, 1a: seat, 10: base member, 11: Vertical support member, 12: Cross piece, 13: placement part, 14: Gap adjustment member, 20: Side member, 21: Side frame part, 23: Rear frame part, 24: Arm rest member, 25: Back support member, 26: connecting bracket, 27: Upper frame part, 28: Lower frame part, 29: Vertical frame section, 30: front arm member, 40: Movable connection mechanism, 41: connecting bracket, 42: Connection part, 50: Base material, 51: Cylindrical part, 52: plate-shaped portion, 60: rod-shaped member, 61: Main body, 62: mounting portion, 63: Cap, 70: Locking mechanism, 71: Convex part, 72: locking member, 73: Lock hole, 74: Elastic piece, 80: Positioning mechanism, 81: locking portion, 82:Locked part, 90: Support material, 91: curved groove portion, 92: Shallow groove, 95: Support surface.

Claims

1. A care device in which a support member for receiving a part of a body of a person being assisted is detachably attached to a rod-shaped member, the support member includes a base member having a tubular portion into which the rod-shaped member can be inserted in an axial direction of the rod-shaped member, a positioning mechanism for positioning an axial mounting position of the support member relative to the rod-shaped member, and a locking mechanism for fixing the support member at the mounting position, the positioning mechanism includes a locking portion provided on one of an outer periphery of the rod-shaped member and an inner periphery of the base member, and a locked portion provided on the other of the outer periphery of the rod-shaped member and to which the locking portion is locked, the locking mechanism includes a locking member having a protrusion that protrudes radially outward from an outer circumferential surface of the rod-shaped member and can be recessed into the rod-shaped member, and a locking hole portion that is provided in the base member and into which the protrusion can be inserted, When the support member is positioned at the mounting position in the axial direction by the positioning mechanism, the convex portion of the locking member is inserted into the locking hole portion and fixed to remain in the mounting position, and when the support member is pressed by an operator, the convex portion detaches from the locking hole portion and the fixation in the axial direction is released.

2. The locking member biases the protrusion in a radially outward direction, The assistance device according to claim 1, wherein the locking member enables the base member to move in the axial direction with the convex portion pressed toward the inside of the rod-shaped member by the inner surface of the base member when the support member is attached to the rod-shaped member.

3. 3. The assistance device according to claim 1 or 2, wherein the support member is attached in a circumferentially rotatable state to the rod-shaped member, and the lock hole portion extends along the circumferential direction so as to restrict rotation of the support member within a predetermined angle range.

4. The care device according to claim 3 , wherein the locked portion of the positioning mechanism extends in the circumferential direction so as to restrict rotation of the support member within the predetermined angle range.

5. A base member disposed near a seat on which the person being assisted is seated; a side member attached to the base member and positioned on a side of the person being assisted seated on the seat portion, 3. The assistance device according to claim 1 or 2, wherein the rod member is attached to the side member or the base member.

Images