JP3207431U - Reclining mechanism and bed equipped with this reclining mechanism - Google Patents

Abstract

A reclining mechanism that can be arranged in a limited space and a bed equipped with the reclining mechanism are provided. A reclining mechanism (23) provided in a bed (10) having a bed main body (13) provided with a side surface around a floor (14) and a support base on which the bed main body (13) is supported. An actuator 24 having a working body 26 provided with a frame 37, a transmission part 29 connected to the working pile 26, a beam part 30 coupled perpendicularly to the transmission part 29, and arm parts at both ends of the beam part 30 31, the rotating member 28 provided with the first rotating shaft portion 30 a at both ends in the axial direction of the beam portion 30, the pressing portion 34 that presses the reclining frame body 37 with the bent portion 35 interposed therebetween, The bending portion 35 includes a moving member 36, a lifting member 33 provided with a second rotating shaft portion 35 a higher than the first rotating shaft portion 30 a, and one end side 32 a of the swinging portion 36. The link where the other end 32b is connected to the arm 31. And a timber 32. [Selection] Figure 7

Description

  The present invention relates to a reclining mechanism that can be placed in a limited space, can operate stably, and suppresses problems such as failures, and a bed equipped with the reclining mechanism.

  To make the bed comfortable for the user, make it easier for the care recipient to receive care, or make it easier for the caregiver to care for the bed where the user goes to bed or the bed where the care recipient needs care There is a known structure in which the bed floor is inclined to perform reclining. Also, some nursing beds are provided with a structure that allows the care bed to take a bath when it is difficult for the care recipient to go to the bathroom. Further, a nursing bed that has both a mechanism for bathing and a mechanism for reclining is also known.

  As such a nursing bed, there is a nursing bed with a bathtub as disclosed in Patent Document 1 below. The nursing bed with a bathtub disclosed in the following Patent Document 1 is installed in a hollow portion of a frame that is formed in a box shape serving as a bed base, while the bathtub is detachably installed from the frame, The waterproof water mat is installed so that it can be raised and lowered via a lifting device, and is supported in a horizontal state by a support member provided on the frame in the raised position, and when lowered, it sinks into the bathtub while bending and tilting the backrest part. Is configured to do. A pair of reclining hydraulic cylinders are provided in the frame below the horizontal plate, and the piston rod of the hydraulic cylinder protrudes from an opening provided in the horizontal plate and has a semicircular arc-shaped saddle-like support attached to the tip thereof. The cradle is detachably engaged with a reed arranged on the back surface of the cradle, and the cradle is lifted by extension of the piston rod so that the head side of the water mat is in a reclining state.

  By adopting such a configuration, according to the nursing bed with a bathtub disclosed in Patent Document 1 below, the patient can take a bath in a laid posture without moving from the bed. Labor and burden can be greatly reduced. In addition, the patient can take a bath easily, and when used as a bed, the head side of the water mat can be lifted diagonally by a lifting device attached to the frame so that the patient can recline.

JP-A-5-237160

  In general, cylinders, actuators, jacks, etc. used as drive sources for the reclining mechanism have durability against external force in the pushing direction or pulling direction (front-rear direction), but against the force received in the lateral direction. It is known that they are not very durable. For this reason, in the care bed disclosed in Patent Document 1, since the reclining is performed by lifting the cradle directly by the reclining hydraulic cylinder, the care recipient moves during the reclining to support the cradle. If the support portion and the reed part swing in the lateral direction, a large load is applied to the reclining hydraulic cylinder, which may cause a failure. On the other hand, in order to suppress the failure of the reclining mechanism and the like, if it is manufactured ruggedly, the structure becomes large and the manufacturing cost increases. And such a subject is a subject applicable not only to a nursing bed but the normal bed provided with the reclining mechanism.

  An object of the present invention is to provide a reclining mechanism that can be placed in a limited space, can operate stably, and can suppress malfunctions such as failure, and a bed equipped with the reclining mechanism. .

In order to solve the above problems, the reclining mechanism of the first aspect of the present invention includes an actuator having an operating pile that is taken in and out by a driving means,
A transmission unit rotatably connected to the working pile, a beam unit coupled perpendicularly to the transmission unit and extending in a direction perpendicular to the transmission unit, and both ends of the beam unit A rotation member provided with a first rotation shaft portion that has a pair of arm portions extending in the axial direction of the transmission portion and is rotatably attached to both ends of the beam portion in the axial direction;
It is formed of a rod-like body having a bent portion bent at a predetermined angle, has a pressing portion that moves in the vertical direction on one side and sandwiches the bent portion, and a swinging portion on the other side. A pair of elevating members provided with a second rotation shaft portion which is higher than the first rotation shaft portion and is rotatably attached;
It is provided with.

  The reclining mechanism according to the second aspect is the reclining mechanism according to the first aspect, wherein one end side of the reclining mechanism is rotatably connected to the swinging portion of the elevating member, and the other end side is the arm of the rotating member. And a pair of link members rotatably connected to the portion.

  Further, the reclining mechanism of the third aspect is the reclining mechanism of the second aspect, wherein the link member is the rotating member when the operating pile of the actuator is retracted when the reclining mechanism is not reclining. The arm portion and the swinging portion of the elevating member are connected to each other.

A reclining mechanism according to a fourth aspect includes a bed body having a rectangular floor portion having a predetermined area, a side surface portion provided around the floor portion, and both ends in the longitudinal direction of the bed body are supported. A reclining mechanism provided on a bed having one and the other support base,
The floor is provided with a reclining frame in which one is rotatably attached and the other is raised and lowered,
An actuator having an operating pile to be taken in and out by a driving means;
A transmission unit rotatably connected to the working pile, a beam unit that is coupled perpendicularly to the transmission unit and extends horizontally with respect to the floor unit, and the transmission unit from both ends of the beam unit. A pair of arm portions extending in the axial direction, and a first rotation shaft portion rotatably attached to both longitudinal side surfaces of the bed body at both ends in the axial direction of the beam portion. A provided rotating member;
It is formed of a rod-like body having a bent portion bent at a predetermined angle. A pair of elevating members each provided with a second rotating shaft portion which is higher than the first rotating shaft portion and is rotatably attached to the side surface portion in the longitudinal direction; ,
It is provided with.

  The reclining mechanism according to the fifth aspect is the reclining mechanism according to the fourth aspect, wherein one end side of the reclining mechanism is rotatably connected to the swinging portion of the elevating member, and the other end side is the arm of the rotating member. And a pair of link members rotatably connected to the portion.

  Further, the reclining mechanism of the sixth aspect is the reclining mechanism of the fifth aspect, wherein the link member is the rotating member when the operating pile of the actuator is retracted when the reclining mechanism is not reclining. The arm portion and the swinging portion of the elevating member are connected to each other.

  The reclining mechanism according to a seventh aspect is the reclining mechanism according to any one of the fourth to sixth aspects, wherein the pressing portion of the elevating member is horizontal with respect to the floor portion of the bed body when not reclining. The reclining frame is placed on the pressing portion.

  The reclining mechanism according to an eighth aspect is the reclining mechanism according to any one of the fourth to seventh aspects, wherein the reclining frame body includes a pair of pressing portions pressed against the pressing portions of the elevating members. And an elevating frame that is provided inside the pushing portion and moves up and down the frame provided in the bed main body, and a plurality of connecting portions that connect the pushing portion and the elevating frame. One of the moving parts is rotatably attached to the floor part by a shaft.

  The reclining mechanism according to the ninth aspect is the reclining mechanism according to any one of the fourth to eighth aspects, wherein when the reclining is performed, the actuator is driven and the working pile is pushed out, whereby the rotating member When the transmission part is pressed toward the lower side of the beam part by the operating pile, the arm part is directed to the actuator with the first rotation shaft part of the beam part as a fulcrum. The link member is moved by rotating the other end of the link member connected to the pair of arm portions by the rotation of the rotation member in conjunction with the rotation of the arm portions. In addition, the swinging portion of the lifting member connected to one end side of the link member is also moved, and the swinging member of the lifting member is moved, so that the lifting member is moved in the second time. The pressing portion a shaft portion as a fulcrum, characterized in that it is rotated in a direction to increase.

  The reclining mechanism according to a tenth aspect is the reclining mechanism according to any one of the fourth to ninth aspects, wherein when the reclining is returned, the actuator is driven and the operating pile is pulled back, whereby the rotating member When the transmission part is pulled upward by the working pile, the turning member is turned away from the actuator with the first turning shaft part of the beam part as a fulcrum, and the turning member When the other end side of the link member connected to the pair of arm portions is moved in conjunction with the rotation of the arm portion, the link member is moved and one end side of the link member is moved. The oscillating part of the elevating member connected to the oscillating member is also moved, and the oscillating part of the elevating member is moved so that the elevating member has the second pivot shaft as a fulcrum. The pressing portion Te is characterized in that it is rotatable in the directions falling.

  Further, the reclining mechanism of the eleventh aspect is the reclining mechanism of any one of the first to tenth aspects, wherein the arm portion of the rotating member is in the direction opposite to the transmission portion from the end of the beam portion. It is formed in the direction.

  Furthermore, the bed of the twelfth aspect is characterized in that the reclining mechanism of any one of the first to third aspects is provided.

  Furthermore, the bed according to the thirteenth aspect is characterized in that the reclining mechanism according to any one of the fourth to tenth aspects is provided inside the bed main body.

  Further, the bed according to the fourteenth aspect is the bed according to the thirteenth aspect, wherein an inner side surface parallel to the side surface in the lateral direction surrounds each of the support bases inside the bed main body. The actuator of the reclining mechanism is rotatably attached to the inner side surface portion on the one support base side of the bed main body and a mounting portion provided on the side opposite to the working pile. And

  Further, the bed of the fifteenth aspect is the bed of the thirteenth or fourteenth aspect, wherein at least a reinforcing member is provided on the inner side of the inner side surface part on the one support base side and on the inner side of the side surface part in the longitudinal direction. The actuator mounting portion and the first rotating shaft portion of the rotating member are attached to the reinforcing member.

  Further, the bed of the sixteenth aspect is the bed of any one of the thirteenth to fifteenth aspects, wherein an opening is formed in the floor portion, and the opening side is opened inside the bed body, and the bottom portion A box-shaped water storage tank provided with an openable and closable drain port is provided, and a frame body divided into a plurality is detachably mounted on the upper side of the water storage tank so as to cover the opening, The reclining frame is provided between a floor and the frame.

  Further, the bed of the seventeenth aspect is the bed of the sixteenth aspect, wherein the water storage tank has an inclined part formed by inclining one of the longitudinal directions, and the back of the inclined part of the water storage tank At least one of the actuator and the rotating member is arranged.

  The bed of the eighteenth aspect is characterized in that in the bed of the sixteenth aspect, at least one of the actuator and the rotating part is disposed between the water storage tank and the side surface part. .

  According to the reclining mechanism of the first to third aspects, a large load is applied to the actuator serving as the power source of the reclining mechanism by transmitting the operation of the actuator to the elevating member via the rotating member or the rotating member and the link member. It becomes possible to perform reclining while suppressing giving.

  According to the reclining mechanism of the fourth to sixth aspects, the reclining mechanism is disposed on both sides of a bed or the like provided with a lifting member for performing reclining, and therefore the reclining mechanism is disposed even in a small space with limited height and width. Can do. Furthermore, stable reclining can be performed by pressing the reclining frame body which performs reclining from both sides with a raising / lowering member. Further, by using one actuator, it is possible to reduce the manufacturing cost and reduce the weight of the provided bed and the like. Further, by transmitting the operation of the actuator to the elevating member via the rotating member or the rotating member and the link member, it is possible to perform reclining while suppressing a large load from being applied to the actuator serving as the power source of the reclining mechanism. become able to.

  Further, according to the reclining mechanism of the seventh aspect, the reclining frame body that performs the reclining is arranged in a state of being placed on the pressing portion of the elevating member and is not fixed to each other, so the power of the actuator is the reclining frame. Does not work on the body. Therefore, when returning a reclining, when a caregiver or a care recipient is sandwiched between the reclining frame and the bed body, the reclining frame comes to float, so that safety can be improved.

  Further, according to the reclining mechanism of the eighth aspect, the frame body provided on the bed body can be easily moved up and down by the reclining frame body.

  Further, according to the reclining mechanism of the ninth and tenth aspects, the reclining mechanism is arranged in a limited space by the lifting members provided on both sides of the bed main body being moved up and down by one actuator. Even if it is done, it becomes possible to perform stable reclining.

  Further, according to the reclining mechanism of the eleventh aspect, since the transmission part and the arm part of the rotating member are formed in the opposite direction, the balance when the rotating member is installed is improved, and Can move smoothly.

  According to the bed of the twelfth aspect, it is possible to obtain a bed provided with a reclining mechanism that exhibits the effect of any one of the first to third aspects.

  According to the bed of the thirteenth aspect, a bed provided with a reclining mechanism that exhibits the effect of any one of the fourth to tenth aspects can be obtained.

  According to the bed of the fourteenth aspect, the reclining mechanism can be smoothly operated by pivotally attaching the actuator of the reclining mechanism to the inner side surface portion. Moreover, the space in a bed main body can be utilized effectively now by attaching to an inner side part.

  Further, according to the bed of the fifteenth aspect, for example, a metal reinforcing member is provided inside the side surface portion of the bed main body, and the mounting portion of the actuator and the first rotating shaft portion of the rotating member are provided on the reinforcing member. By attaching, the reclining mechanism can be firmly attached to the inside of the bed.

  Moreover, according to the bed of the 16th-18th aspect, it can be used as a care bed by providing a water storage tank in a bed. And even if it provides the water tank used as a bathtub separately, it can recline by providing the reclining mechanism which inclines the frame installed in order to cover this water tank, and bathing etc. are hygienic. A nursing bed can be obtained. Further, since the elevating members for performing the reclining of the reclining mechanism are provided on both side surfaces in the longitudinal direction of the bed main body, the reclining mechanism can be provided in a limited space even if a water storage tank is provided in the bed main body.

It is a perspective view of the bed concerning Embodiment 1. FIG. It is a disassembled perspective view of the bed concerning Embodiment 1. FIG. FIG. 3A is a side view showing a flat state of reclining of the bed according to the first embodiment, and FIG. 3B is a side view showing a state of reclining. FIG. 4A is a plan view showing a part of the bed with the frame and the mat removed, and FIG. 4B is a plan view of the bed with the floor removed. It is sectional drawing in the VV line | wire of FIG. 4B which showed the structure of the reclining mechanism of the state of FIG. 3A. It is sectional drawing corresponding to FIG. 5 which showed the state in the middle of reclining. It is sectional drawing corresponding to FIG. 5 which showed the structure of the reclining mechanism of the state of FIG. 3B. 8A is a perspective view corresponding to FIG. 1 of the bed of the second embodiment, and FIG. 8B is an exploded perspective view corresponding to FIG. 9A is a cross-sectional view taken along line IXA-IXA in FIG. 8A, and FIG. 9B is a cross-sectional view showing a state in which a drain pipe and a drain tank are provided. 10A is a perspective view showing another usage pattern of the bed of Embodiment 2, FIG. 10B is a perspective view showing a usage pattern different from FIG. 10A, and FIG. 10C shows a usage pattern further different from FIG. 10A. FIG. 10D and FIG. 10E show other examples of the frame. FIG. 11A to FIG. 11E are side views showing a partial cross section showing a use mode including a care recipient. 12A is a plan view showing a water tank of another shape, FIG. 12B is a cross-sectional view taken along line XIIB-XIIB in FIG. 12A, and FIG. 12C is a cross-sectional view taken along line XIIC-XIIC in FIG. 12D is a cross-sectional view taken along the line XIID-XIID in FIG. 12A. 13A is a plan view corresponding to FIG. 4A of the bed of the second embodiment, and FIG. 13B is a plan view corresponding to FIG. 4B. It is sectional drawing corresponding to FIG. 6 which showed the reclining mechanism concerning the application example 1. FIG. It is sectional drawing corresponding to FIG. 6 which showed the reclining mechanism concerning the application example 2. FIG. It is sectional drawing corresponding to FIG. 5 which showed the reclining mechanism concerning the application example 2. FIG.

  Embodiments of the present invention will be described below with reference to the drawings. However, the embodiment shown below exemplifies a reclining mechanism for embodying the technical idea of the present invention and a bed equipped with the reclining mechanism, and is intended to specify the present invention. Rather, the present invention is equally applicable to other embodiments within the scope of the utility model registration claim.

[Embodiment 1]
With reference to FIG.1 and FIG.2, the bed 10 provided with the reclining mechanism 23 of Embodiment 1 is demonstrated. As shown in FIGS. 1 and 2, the bed 10 according to the first embodiment includes a bed main body 13 for a user to sleep and a pair of support bases 11 and 12 on which the bed main body 13 is supported. It is arranged at both ends of the direction. The bed body 13 is provided with a lattice-like frame body 19 and a mat 22.

  As shown in FIGS. 1 and 2, the pair of support bases 11 and 12 are disposed at both ends in the longitudinal direction of the bed main body 13 and support the bed main body 13 upward. For example, the support bases 11 and 12 are formed in a rectangular parallelepiped. ing. In addition, since the bottom surface on the lower side of the support bases 11 and 12 is a portion that is installed on the floor surface such as a tatami mat, a floor mat, and flooring in the room, the bottom surface has some legs in contact with the floor surface. A portion may be provided. By providing the leg portion, it is possible to suppress the floor surface from being damaged.

  Next, the bed body 13 will be described. As shown in FIGS. 1 and 2, the bed main body 13 has a floor portion 14 formed in a rectangular shape with a predetermined area and thickness that allows a user to sleep, and on the floor portion 14, A grid-like frame body 19 and a mat 22 are detachably provided on the frame body 19. In addition, an insertion portion (not shown) such as a groove for arranging a part of an elevating member 33 of a reclining mechanism 23 described later is provided in a part of the periphery of the floor portion 14.

  Further, on each end side of the rectangular floor portion 14, there are provided longitudinal side portions 15 and 16 and lateral side portions 17 and 18 that hang downward, and one and the other support bases 11 and 12. It is provided to surround. At this time, inner side surface portions 17 ′ and 18 ′ are provided in parallel with the lateral side surface portions 17 and 18 so as to cover the support bases 11 and 12 on the inner side of the bed main body 13. Further, a headboard 13 a and a footboard 13 b formed higher than the floor portion 14 are provided in portions located above the support bases 11 and 12 on both sides in the longitudinal direction of the bed main body 13.

  A reclining frame 37 that is moved up and down by the reclining mechanism 23 is provided on the floor 14 of the bed body 13 as shown in FIGS. 2 and 4A. And the reclining frame 37 is provided in the side by which the upper body of the user at the time of sleeping is arrange | positioned, for example, the headboard 13a side of the bed main body 13. FIG. The structure of the reclining frame 37 includes a pressing portion 38 that is pressed by a pressing portion 34 of an oscillating member, which will be described later, and a lifting frame 40 that is lifted and lowered. They are connected to the connecting portion 39 and formed integrally. At this time, the elevating frame 40 arranged on the headboard 13a side is a part that is moved up and down, and the opposite side is rotatable to the floor part 14 of the bed body 13 by a shaft 37a formed on the pushing part 38. It is attached.

  Next, a grid-like frame body (hereinafter, also simply referred to as “frame body”) 33 is provided on the outer periphery of the frame body 19 formed on the floor portion 14 of the bed body 13 as shown in FIG. It is placed on the bed main body 13 by the locking portion 20. The frame body 19 is divided into a plurality of parts. For example, in the first embodiment, the frame body 19 is divided into three parts, that is, a frame body 19a of the user's upper body, a frame body 19b of the waist, and a frame body 19c of the lower limbs. Yes. In the first embodiment, the upper body frame 19 a is moved up and down by the reclining frame 37.

  Further, as shown in FIGS. 1 and 2, the mat 22 is a portion where the user goes to bed, and is detachably placed so as to cover the upper side of the lattice-shaped frame body 19. The mat 22 is divided into a plurality of pieces in the same manner as the lattice-like frame body 19 described above. For example, in the first embodiment, the user's upper body mat 22a, waist mat 22b, and lower limb mat 22c. It is divided into three. Note that the number of mats to be divided is not limited to three. For example, the upper body part may be divided into two to be four or more.

  Next, the reclining mechanism 23 of the bed 10 according to the first embodiment will be described with reference to FIGS. The reclining of the bed 10 according to the first embodiment is performed by operating the reclining mechanism 23 from the state shown in FIG. 3A to the state shown in FIG. 3B, or conversely from the state shown in FIG. 3B to the state shown in FIG. 3A. It is done by doing.

  The reclining mechanism 23 of the bed 10 according to the first embodiment includes an actuator 24 as a power source installed inside the bed 10 and a rotation rotated by the operation of the actuator 24 as shown in FIGS. 4B and 5 to 7. The moving member 28, the link member 32 moved in conjunction with the rotation of the rotating member 28, and the elevating member 33 that moves the reclining frame 37 provided with the bed main body 13 up and down. The reclining frame 37 is moved up and down by the elevating member 33, so that the frame and the mat placed on the reclining frame 37 are moved up and down together with the user to perform the reclining. Each configuration will be described below. In FIG. 4B, the reclining frame 37 is indicated by a dotted line as a reference, and in FIGS. 5 to 7, the frame and the mat are omitted.

  The actuator 24 has a driving means 25 serving as a power source and a rod-like working pile 26 that is taken in and out by the driving means 25, and is provided at a substantially central portion in the longitudinal direction of the bed main body 13. An attachment portion 27 is provided on the driving means 25 side of the actuator 24 and is attached to the inner side surface portion 18 ′ on the one support base 11 side of the bed main body 13, and this attachment portion 27 is connected to the inner side surface of the bed main body 13. It is rotatably attached to the part 18 '. Moreover, the front-end | tip part 26a connected with the power transmission part 29 of the rotation member 28 rotatably is provided in the front-end | tip of the action | operation pile 26 of the actuator 24. As shown in FIG.

  The rotating member 28 includes a transmission portion 29 that is rotatably connected to the working pile 26 of the actuator 24, a beam portion 30 that extends across the width direction of the bed body 13, and extends from both ends of the beam portion 30. It comprises a pair of arm portions 31 provided, and is formed so as to be integrated.

  The transmission portion 29 is formed of a rod-shaped body having a predetermined length, one of which is rotatably connected to the tip end portion 26 a of the operating pile 26 of the actuator 24, and the opposite side is perpendicular to the substantially central portion of the beam portion 30. Is bound to. The beam portion 30 is formed of a rod-like body having a predetermined thickness along the short direction of the bed main body 13 and is provided so as to be horizontal with the floor portion 14. Further, from the end portion of the beam portion 30, an arm portion 31 formed in a plate shape in the opposite direction to the actuator 24 side is formed along both side surface portions 15 and 16 in the longitudinal direction of the bed main body 13. Yes. The arm portion 31 is rotatably connected to the other end side 32b of a link member 32, which will be described later, on the opposite side of the beam portion 30. Moreover, the 1st rotation axis | shaft part 30a protruded toward the axial direction of the beam part 30 is formed in the both ends of the beam part 30, and it can rotate to the both-sides surface parts 15 and 16 of the bed main body 13. FIG. It is attached. In addition, the transmission part 29 can change the position provided according to the position where the actuator 24 is arrange | positioned.

  The link member 32 is formed of a rod-shaped body having a predetermined length, one end side 32 a is rotatably connected to the swinging portion 36 of the elevating member 33, and the other end side 32 b is rotated with the arm portion 31 of the rotating member 28. It is connected freely. Since the link members 32 are also provided on both sides of the bed main body 13, a pair is provided. The link members 32 are arranged symmetrically and have the same configuration. The link member 32 is formed with such a length that the arm portion of the rotating member and the swinging portion of the elevating member are connected in a state where the reclining mechanism is not reclining.

  The elevating member 33 is a rod-like body having a predetermined length, and is provided with a bent portion 35 bent at a predetermined angle between them, so-called alphabetic “V” shape or Japanese “he” or “ku”. It is formed to be a letter shape. And the bending part 35 is inserted | pinched, and it becomes the press part 34 which presses the reclining frame 37 by one side moving up and down, and the opposite side to the press part 34 is rotatable with the one end side 32a of the link member 32. The oscillating part 36 is connected to the. Further, the bent portion 35 is formed with a second rotating shaft portion 35a that is rotatably supported by the side surface portions 15 and 16 of the bed main body 13. The second rotation shaft portion 35a is provided at a position higher than the first rotation shaft portion 30a inside the bed main body 13, and is adjacent to the shaft 37a of the reclining frame body 37 in the first embodiment. Provided on the lower side. Similarly to the link member 32, the elevating member 33 is also provided on each side of the bed main body 13.

  Next, operation | movement of the reclining mechanism 23 of the bed 10 of Embodiment 1 is demonstrated. First, as shown in FIGS. 3A and 5, a case where the frame body 19a of the bed body 13 is reclined from a horizontal state will be described.

  As a state in which the reclining mechanism 23 is not performing reclining, the working pile 26 of the actuator 24 is retracted as shown in FIG. Further, the transmission portion 29 and the arm portion 31 of the rotating member 28 are substantially horizontal, and the pressing portion 34 of the elevating member 33 is horizontal with the floor portion 14 of the bed main body 13. The reclining frame 37 and the frame 19 of the bed body 13 are also placed horizontally on the floor 14.

  Further, there may be a gap between the pressing portion 34 and the reclining frame 37 and between the reclining frame 37 and the frame 19a, and by providing the gap, even if the user moves on the bed main body, Since vibration or the like is not transmitted to the reclining frame or the lifting member, failure or the like can be suppressed.

  When performing reclining, first, the actuator 24 is operated, and the driving means 25 is moved so as to push out the working pile 26. The actuating method of the actuator 24 may be performed by connecting an electric wire and operating a button or the like, or may be performed by remote operation using a remote control.

  When the working pile 26 is pushed out, as shown in FIG. 6, the transmission portion 29 of the rotating member 28 connected to the tip end portion 26 a of the working pile 26 moves toward the lower side of the beam portion 30. The rotation member 28 is rotated using the first rotation shaft portion 30a of the beam portion 30 as a fulcrum. Then, when the rotating member 28 is rotated, the arm portion 31 at the end of the beam portion 30 is directed upward from the beam portion 30 with the first rotation shaft portion 30a as a fulcrum, and the actuator 24 is provided. Moved to the other side. At this time, the rotation member 28 has the transmission portion 29 disposed below the beam portion 30 and the arm portion 31 disposed above. When the arm portion 31 is moved, the link member 32 connected to the arm portion 31 is also moved to the actuator 24 side in conjunction with it. In addition, since the attaching part 27 of the actuator 24 is rotatably attached to the inside of the bed body 13, the working pile 26 connected to the rotating transmission part 29 can move while drawing an arc. become.

  Further, as the link member 32 moves, the swinging portion 36 of the elevating member 33 connected to the one end side 32a of the link member 32 is moved to the actuator 24 side. At this time, the elevating member 33 is rotated about the second rotation shaft portion 35a of the bent portion 35 as a fulcrum. And when the raising / lowering member 33 rotates using the 2nd rotation shaft part 35a as a fulcrum, the pressing part 34 of the raising / lowering member 33 rises, and when this pressing part 34 raises, the reclining frame body 37, and A frame body and a mat (not shown) placed on the reclining frame body 37 rise, and reclining is performed as shown in FIG.

  At this time, in the reclining frame 37, the pressing portion 38 is pressed by the pressing portion 34, and at the same time, the elevating frame 40 connected to the pressing portion 38 and the connecting portion 39 is raised. Further, the positional relationship between the first rotation shaft portion 30a and the second rotation shaft portion 35a is provided at a position where the second rotation shaft portion 35a is higher than the first rotation shaft portion 30a. It will be able to move smoothly.

  Moreover, when returning reclining, it is performed in the reverse process of performing reclining mentioned above. That is, in the state shown in FIG. 7, the driving means 25 of the actuator 24 is operated, and the operating pile 26 is moved back. When the working pile 26 is pulled back, as shown in FIG. 6, the transmission portion 29 of the turning member 28 connected to the tip end portion 26a of the working pile 26 moves upward, and the turning member 28 is moved in accordance with this movement. Is rotated about the first rotation shaft 30a as a fulcrum.

  Then, when the turning member 28 is turned, the arm portion 31 at the end of the beam portion 30 moves downward with the first turning shaft portion 30a as a fulcrum and is moved away from the actuator 24. At this time, the transmission member 29 and the arm portion 31 are arranged so that the rotating member 28 is substantially horizontal to the beam portion 30. When the arm portion 31 is moved, the link member 32 connected to the arm portion 31 is also moved in a direction away from the actuator 24 in conjunction with it.

  Further, when the swinging portion 36 of the elevating member 33 connected to the one end side 32 a of the link member 32 is moved away from the actuator 24, the elevating member 33 is moved to the second rotation shaft portion 35 a of the bent portion 35. Is turned around the fulcrum. And the press part 34 of the raising / lowering member 33 moves to the direction which the press part 34 descend | falls by rotating using the 2nd rotation shaft part 35a as a fulcrum. As the pressing portion 34 is lowered, the reclining frame body 37 pressed by the pressing portion 34 and the frame body and mat (not shown) placed on the reclining frame body 37 are lowered, as shown in FIG. Thus, the reclining is returned, and the reclining frame 37 and the pressing portion 34 of the elevating member 33 are returned to the horizontal state. At this time, the reclining frame 37 is lowered while supporting the weight of the user when the user is using it.

  With such a configuration, the reclining mechanism 23 can be provided in a small space inside the bed main body 13. In addition, since the height of the reclining mechanism can be reduced, the reclining mechanism can be provided even if the bed or the like has a low profile. Furthermore, since the beam portion 30 and each arm portion 31 of the rotating member 28 can transmit the movement of the actuator 24 of the actuator 24 to and from the lifting member 33 evenly through the link member 32, more stable reclining is performed. Will be able to.

  4B and FIGS. 5 to 7, the actuator 24 is not only directly attached to the bed main body 13 but also provided with a strong reinforcing member 41 made of metal, for example, on the bed main body 13. You may make it attach the attaching part 27 to. Similarly, the rotating member 28 may not be directly attached to the side surface portions 15 and 16 but may be provided with a reinforcing member 41 and the first rotating shaft portion 30 a may be attached to the reinforcing member 41.

  Moreover, although the reclining frame body demonstrated what comprised the pushing part, the raising / lowering frame, and the connection part, it comprised not only this but only the raising / lowering frame, and the raising / lowering frame was comprised by the press part of the raising / lowering member of a reclining mechanism. It is also possible to perform reclining by pressing.

  The length of the link member 32 is such that when the reclining mechanism 23 is not reclining, that is, the actuator 24 is not pushed out, and the pressing portion 34 of the elevating member 33 is level with the floor portion 14. The arm portion 31 of the rotating member 28 and the swinging portion 36 of the elevating member 33 are connected to each other (see FIG. 5).

[Embodiment 2]
In the bed of the second embodiment, a case where a water storage tank is provided on the bed provided with the reclining mechanism of the first embodiment will be described with reference to FIGS. In addition, about the structure of the bed of Embodiment 2, the same code | symbol is attached | subjected about the structure which is common in the bed of Embodiment 1, and detailed description is abbreviate | omitted. 9 to 11, the reclining mechanism is omitted.

  As shown in FIGS. 8A and 8B, the bed 10A of the second embodiment is provided with an opening 14Aa having a predetermined size at the center of the floor 14A of the bed main body 13A. And in opening part 14Aa formed in this floor part 14A, the grid | lattice-like frame body 19 and the mat | matte 22 are provided in the upper side of this frame body 19 so that attachment or detachment is possible respectively. Further, a box-shaped water tank 42 is provided in the bed main body 13A corresponding to the opening 14Aa formed in the floor 14A. Thus, by providing the bed main body 13A with the water storage tank 42, the bed 10A can be used as a care bed.

  The water storage tank 42 is provided inside the bed main body 13A, and is formed as a box-shaped body having an upper opening corresponding to the opening 14Aa side of the floor portion 14A, a bottom portion below, and a periphery surrounded by side surfaces. Has been. The water storage tank 42 is provided with an inclined portion 42a formed with one longitudinal direction inclined (see FIG. 8B), and the actuator 24 and the rotating member 28 are provided on the back side of the inclined portion 42a. At least one of them is arranged. Note that at least one of the actuator 24 and the rotating member 28 may simply be disposed between the water storage tank 42 and the side surface parts 15 and 16. Further, on the upper side of the side surface of the water storage tank 42, a plate-like support fixing portion 43 extending toward the outside of the opening is provided along the outer periphery of the opening. The support fixing portion 43 is a portion that is supported and fixed to the back portion 14Ab of the floor portion 14A.

  On the other hand, support plate bodies 44 are provided across the side surface portions 15 and 16 so as to support the lower portion of the water storage tank 42 from the side surface portions 15 and 16 facing in the longitudinal direction of the bed main body 13A. 42 can be supported (see FIG. 9). The water storage tank 42 may be detachably provided inside the bed main body 13A. In that case, the floor of the bed body is removed and the water tank is attached or detached. By doing in this way, when a water tank is damaged, it can replace | exchange with the water tank provided with the other function, and also can attach a water tank later.

  Further, the water storage tank 42 is provided with a drain port 45 provided with an openable / closable plug member 45a. When the water storage tank 42 stores liquid such as water or hot water, the plug member 45a is closed, and when water is discharged. The plug member 45a can be opened. Further, a water pipe 46 is connected to the drain port 45, and the water pipe 46 can be connected to a drain tank to drain water. The water distribution pipe 46 may be directly connected to a sewer pipe or the like capable of draining the house. In the case of water supply, a water supply tank having the same capacity as the drainage, for example, about 5 liters to 30 liters, is provided, and a small pump is provided in the water supply tank. Can do. By using the water supply tank in this way, piping work such as a water supply pipe becomes unnecessary.

  Moreover, it can also be used as a toilet using the water tank 42 of the bed 10A. Therefore, the water storage tank 42 may be provided with a coating that is difficult to get dirty and easy to clean even if it gets dirty, in order to facilitate cleaning of excrement. Furthermore, since the water storage tank 42 is supported and fixed inside the bed main body 13A and the care recipient also takes a bath, it is possible to withstand the weight of the stored water and the weight of the care recipient. In addition, it is preferably formed of a lightweight material such as a synthetic resin material or a metal such as stainless steel. If it is a synthetic resin material, it will become easy to perform the coating for the purpose of contamination prevention, and if it is stainless steel, a high strength water tank can be obtained. Furthermore, the strength can be further increased by forming them in a wave pattern. Moreover, it is preferable that the water storage tank is subjected to antibacterial treatment. By performing the antibacterial treatment, the water storage tank can be kept clean, and infection to a care recipient and smell from the water storage tank can be suppressed.

  Next, as shown in FIG. 8B, a lattice-like frame body (hereinafter, also simply referred to as “frame body”) 33 covers the opening 14Aa formed in the floor portion 14A of the bed main body 13A, and the water storage tank. 42 is configured to be locked to the bed main body 13A by a locking portion 20 provided on the outer periphery of the frame body 19 so as to cover 42.

  Since the frame body 19 is often exposed to liquids such as water depending on how the bed 10A is used, the frame body 19 can support the weight of a care recipient, is resistant to rust and corrosion, and is easy to attach and detach. It is preferable to use a lightweight material such as a synthetic resin material such as reinforced plastic, a stainless material, an aluminum alloy, or the like. Further, it is preferable that the lattice portion 21 of the frame body 19 is formed with a width that does not fit even if the care recipient directly rides on the lattice portion 21 of the frame body 19. At this time, in the frame body 19b provided at the waist, an opening 21a ′ (see FIG. 10A) may be provided in the lattice so that excretion can be performed from this portion. You may make it form in the shape which is easy to excrete, for example, the shape (not shown) of a valve seat. By doing in this way, the possibility that excrement adheres to a frame at the time of excretion is suppressed, and a care recipient can perform excretion with peace of mind.

  8A and 8B, the mat 22 is a portion where a care recipient needs to go to bed, and is detachably placed so as to cover the upper side of the lattice-like frame body 19.

  Further, since the mat 22 is divided, mats having different materials and feels can be selected and changed in divided units according to the preference of the care recipient. For example, a material having a different coefficient of restitution, a material having good air permeability, a material having waterproofness, a material corresponding to a diseased part, and the like can be selected. Further, since the mat 22 is divided, washing and drying can be easily performed. By doing in this way, not only the sleeping comfort of the care recipient but also the caregiver's ease of care can be positively affected. The mat 22 is preferably subjected to antibacterial treatment, and the antibacterial treatment can keep the mat clean, and can suppress infection to a care recipient and smell from the mat.

  Here, a usage example of the bed 10A will be described. In the bed 10A shown in FIGS. 10A and 11A, only the mat 22b arranged on the waist of the care recipient 47 is removed so that a lattice-like frame 19b appears at the waist. By doing in this way, liquids, such as water, can be poured into the water storage tank 42 under the waist frame 19b. And by setting it as such a usage form, the care recipient can excrete. After excretion, the water storage tank 42 can be washed with water or hot water using a simple pump or the like. In addition, the diaper of the care recipient can be changed, and when it is dirty, the waist of the care recipient can be washed.

  Being able to easily wash the lower back for care recipients is effective not only for physical hygiene, but also for mental hygiene, and can also suppress bed slipping. In addition, since the waist of the care recipient can be easily washed, the burden on the caregiver and the care recipient is reduced even if the number of washing is increased, and as a result, unpleasant odor can be reduced. In addition, caregivers can easily perform cleaning because they can be easily washed.

  In addition, since the mat 22 is divided, the mat 22 can be removed simply by lifting a part of the body of the care recipient and pulling out the mat 22, so that the burden on the caregiver can be reduced. Become. In addition, it is preferable that the lattice is subjected to an antibacterial treatment. By performing the antibacterial treatment, the lattice can be kept clean, and infection to a care recipient and smell from the lattice can be suppressed.

  In addition to the lower back, the mat 22 can wash the hair of the care recipient 47 by removing the upper-body mat 22a (see FIGS. 10B and 11B), and the lower-limb mat 22c is removed. Thus, the feet of the care recipient 47 can be washed (see FIGS. 10C and 11C). Further, the foot bath can be performed by removing the lower limb mat 22c and the frame body 19c (see FIG. 8B) and filling the water storage tank 42 with hot water. In that case, a care recipient may be seated. Furthermore, as shown in FIG. 11D, all the mats 22 can be removed, and the entire body of the care recipient 47 can be showered. By performing the shower on the frame 19, the care recipient does not use the shower water or hot water that has flown, and thus it is hygienic. Moreover, as shown in FIG. 11E, the care recipient can take a bath by removing the mat 22 and the frame body 19 all together. As the frame body, in addition to the lattice-shaped frame body 19 described in the first embodiment, a frame body 19 ′ in which beam members are diagonally formed in the frame as shown in FIG. 10D, or as shown in FIG. 10E. Alternatively, a frame body 19 ″ having a square or rectangular beam member at the center may be used.

  Here, the drainage of the water storage tank 42 will be described with reference to FIG. 9B. The water storage tank 42 is provided with the drainage port 45 as described above, and the drainage port 45 is configured to be opened and closed. Yes. And the water distribution pipe 46 is connected to the drain port 45, it is piped inside the bed main body 13A, and the edge part is orient | assigned to the outer side of the bed main body 13A. At the end of the water distribution pipe 46, for example, a drainage tank or the like for draining is provided. The drainage accumulated in the water storage tank 42 is stored in a drainage tank (not shown) or the like through the drainage port 45 and the water distribution pipe 46 due to natural fall due to gravity due to the bed main body being disposed above. Thereafter, drainage tanks and the like are poured into sewage from household toilets and the like. At this time, the water distribution pipe 46 can be drained smoothly by having a slight inclination. It is also possible to connect the water distribution pipe 46 directly to the sewage without temporarily accumulating in a drain tank or the like. Furthermore, it is preferable that the drain outlet, drain pipe and drain tank are antibacterial treated, and the antibacterial treatment can keep the water tank clean and prevent infection and smell from the water tank. Can be suppressed.

  Moreover, although the water storage tank 42 is described as a box-shaped one, the present invention is not limited to this, and the water storage tank may be deformed. For example, in FIG. 12A to FIG. 12D, a plurality of ribs 42b for reinforcing the water storage tank 42 ′ are formed. Furthermore, a convex portion or the like may be provided in accordance with a configuration desired to be used, and structures such as a waist relief portion, a waist raising portion, an armrest portion, and a foot raising portion may be provided when the care recipient uses. Moreover, as shown to FIG. 12A, the narrowing-down part 42c which narrows gradually as it goes to the step of the care recipient who bathed as a convex part can also be formed. By doing in this way, when a care recipient takes a bath, it becomes possible to take a bath with a small water volume, and water and hot water to be used can be reduced.

  Moreover, the reclining mechanism provided in the bed of Embodiment 2 is the same as the reclining mechanism of Embodiment 1 as shown in FIGS. 8B and 13. In addition, the reclining mechanism 23 of Embodiment 2 is comprised so that it can arrange | position in the space except the part in which the water storage tank 42 inside 13 A of bed bodies was provided. At this time, the actuator of the reclining mechanism is preferably provided along the inclination of the inclined portion 42 a of the water storage tank 42. Note that the operation of the reclining mechanism is the same as that of the first embodiment, and thus detailed description thereof is omitted.

  As described above, the bed 10A of the second embodiment can be used as a care bed by providing the water storage tank. Moreover, since the reclining mechanism of Embodiment 2 is compact, even if a reservoir is provided in the bed, it can be provided in a limited space on both sides of the bed main body.

[Application Example 1]
The reclining mechanism is not limited to the structure described in the first and second embodiments, and the link member may be omitted as shown in FIG. That is, in the reclining mechanism 28B provided on the bed 10B of the application example 1, the arm portion 31 of the rotating member 28 and the swinging portion 36 of the elevating member 33 are rotatably connected. By doing in this way, a number of parts can be reduced and manufacturing cost can be held down. In addition, the same code | symbol is attached | subjected to the structure which is common in Embodiment 1, and detailed description is abbreviate | omitted.

[Application 2]
In application example 1, reclining is performed by rotating the rotation member 28 about the first rotation shaft portion 30a with the link member omitted. However, the rotation member is used like the link member of the first embodiment by fixing the first rotation shaft portion of the rotation member to the bed body and fixing the attachment portion of the actuator so as not to rotate. You can also. In addition, the same code | symbol is attached | subjected to the structure which is common in Embodiment 1, and detailed description is abbreviate | omitted.

  That is, as shown in FIG. 15, the reclining mechanism 23 </ b> C provided in the bed 10 </ b> C of the application example 2 does not include the link member, like the reclining mechanism 23 </ b> B of the application example 1. However, in the reclining mechanism 23C of the application example 2, the first rotating shaft portion is not formed on the beam portion 30C of the rotating member 28C and is not fixed to the bed body. The attachment portion 27C of the actuator 24C is fixed to the reinforcement member 41 so as not to rotate. Therefore, the rotation member 28C is configured such that the transmission portion 29 of the rotation member 28C and the distal end portion 26Ca of the working pile 26C of the actuator 24C are rotatably connected, and the arm portion 31 of the rotation member 28C and the lifting member 33 are connected. The swing part 36 is connected to be freely rotatable. The rotating member 28C is supported in a state of floating between the actuator 24C and the elevating member 33. In the state shown in FIG. 15, the rotating member 28 </ b> C can be kept in a tensioned state due to the weight of the elevating member 33 and the frame body.

  And in the reclining mechanism 23C of the application example 2, in order to change the reclining state shown in FIG. 16 from the reclining state of FIG. 15, the actuator 24C is driven and the working pile 26C of the actuator 24C is pushed out. Thus, the transmission portion 29 of the rotating member 28 </ b> C is pressed, the rotating member 28 </ b> C moves while rotating, and is disposed below the elevating member 33. At this time, the elevating member 33 is lowered by its own weight, and the actuator 24C is supported via the rotating member 28C.

  In the reclining mechanism 23C of the application example 2, when the reclining is performed, the reverse process is performed. That is, when the actuator 24C is driven from the reclining mechanism 23C in the state of FIG. 16 and the working pile 26C is pulled in, the transmission member 29 of the turning member 28C connected to the working pile 26C is drawn, so that the turning member 28C is It moves so as to be close to the actuator 24C while rotating. Then, when the arm portion 31 of the rotating member 28C draws the swinging portion 36 of the elevating member 33, the elevating member 33 rotates about the second rotating shaft portion 35a, and the pressing portion 34 moves upward. You will be able to recline. By doing so, the number of parts can be reduced and the range of design can be expanded.

  DESCRIPTION OF SYMBOLS 10, 10A, 10B, 10C ... Bed 11, 12 ... Support stand 13, 13A ... Bed main body 13a ... Head board 13b ... Foot board 14, 14A ... Floor part 14Aa ... Opening part 14Ab ... Back part 15-18 ... Side part 17 ', 18' ... Inner side surface portion 19 (19a, 19b, 19c), 19 ', 19 "... Frame body 20 ... Locking portion 21 ... Lattice portion 21a ... Opening portion 22 (22a, 22b, 22c) ... Mat 23, 23B, 23C ... Reclining mechanism 24, 24C ... Actuator 25 ... Driving means 26, 26C ... Working pile 26a, 26Ca ... Tip part 27, 27C ... Mounting part 28, 28C ... Turning member 29 ... Transmission part 30a ... First turning Shaft part 30, 30C ... Beam part 31 ... Arm part 32 ... Link member 32a ... One end side 32b ... Other end side 33 ... Elevating member 34 ... Press part 35 ... Bending part 35a ... Second rotating shaft part 36 ... Swing part 37 ... Reclining frame body 37a ... Shaft 38 ... Pushing part 39 ... Connecting part 40 ... Elevating frame 41 ... Reinforcing member 42 ... Water tank 42a ... Inclined part 42b ... Rib 42c ... Narrowing part 43 ... Support fixing part 44 ... Support plate 45 ... Drain port 45a ... Plug member 46 ... Water pipe 47 ... Care recipient

Claims (18)

An actuator having an operating pile to be taken in and out by a driving means;
A transmission unit rotatably connected to the working pile, a beam unit coupled perpendicularly to the transmission unit and extending in a direction perpendicular to the transmission unit, and both ends of the beam unit A rotation member provided with a first rotation shaft portion that has a pair of arm portions extending in the axial direction of the transmission portion and is rotatably attached to both ends of the beam portion in the axial direction;
It is formed of a rod-like body having a bent portion bent at a predetermined angle, has a pressing portion that moves in the vertical direction on one side and sandwiches the bent portion, and a swinging portion on the other side. A pair of elevating members provided with a second rotation shaft portion which is higher than the first rotation shaft portion and is rotatably attached;
A reclining mechanism characterized by comprising:   Furthermore, one end side is rotatably connected to the swinging portion of the elevating member, and the other end side is provided with a pair of link members rotatably connected to the arm portion of the rotating member. The reclining mechanism according to claim 1.   The link member is connected to the arm portion of the rotating member and the swinging portion of the elevating member when the operating pile of the actuator is retracted in a state where the link member is not reclining. The reclining mechanism according to claim 2, wherein the reclining mechanism is formed. A bed body having a rectangular floor portion having a predetermined area and having side portions provided around the floor portion; and one and the other support bases on which both ends in the longitudinal direction of the bed body are supported A reclining mechanism provided in a bed having
The floor is provided with a reclining frame in which one is rotatably attached and the other is raised and lowered,
An actuator having an operating pile to be taken in and out by a driving means;
A transmission unit rotatably connected to the working pile, a beam unit that is coupled perpendicularly to the transmission unit and extends horizontally with respect to the floor unit, and the transmission unit from both ends of the beam unit. A pair of arm portions extending in the axial direction, and a first rotation shaft portion rotatably attached to both longitudinal side surfaces of the bed body at both ends in the axial direction of the beam portion. A provided rotating member;
It is formed of a rod-like body having a bent portion bent at a predetermined angle, and has a pressing portion that sandwiches the bent portion and moves vertically on one side to press the reclining frame, and a swinging portion on the other side. A pair of elevating members each provided with a second rotating shaft portion which is higher than the first rotating shaft portion and is rotatably attached to the side surface portion in the longitudinal direction; ,
A reclining mechanism characterized by comprising:   Furthermore, one end side is rotatably connected to the swinging portion of the elevating member, and the other end side is provided with a pair of link members rotatably connected to the arm portion of the rotating member. The reclining mechanism according to claim 4.   The link member is connected to the arm portion of the rotating member and the swinging portion of the elevating member when the operating pile of the actuator is retracted in a state where the link member is not reclining. The reclining mechanism according to claim 5, wherein the reclining mechanism is formed. The pressing portion of the elevating member is arranged horizontally with respect to the floor portion of the bed body when not reclining,
The reclining mechanism according to claim 4, wherein the reclining frame is placed on the pressing portion. The reclining frame body includes a pair of pushing parts pressed by the pressing parts of the raising and lowering members, and raising and lowering the frame body provided on the bed body provided inside the pushing parts. It is composed of a frame and a plurality of connecting portions that connect the pushing portion and the lifting frame,
The reclining mechanism according to any one of claims 4 to 7, wherein one of the pushing portions is rotatably attached to the floor portion by a shaft. When performing reclining,
When the actuator is driven and the working pile is pushed out, the transmission part of the turning member is pressed toward the lower side of the beam part by the working pile, so that the turning member becomes the beam. The arm portion is rotated toward the actuator with the first rotation shaft portion of the portion as a fulcrum,
The link member is moved by moving the other end side of the link member connected to the pair of arm portions in conjunction with the rotation of the arm portion by the rotation of the rotation member, and the link The swinging portion of the elevating member connected to one end side of the member is also moved,
The said raising / lowering member is rotated by the said 2nd rotating shaft part as a fulcrum in the direction which the said press part raises by moving the said rocking | swiveling part of the said raising / lowering member. The reclining mechanism in any one of -8. When returning reclining,
When the actuator is driven and the working pile is pulled back, the transmission portion of the turning member is pulled upward by the working pile, so that the turning member is rotated first by the beam portion. Pivoted away from the actuator with the shaft as a fulcrum,
The link member is moved by moving the other end side of the link member connected to the pair of arm portions in conjunction with the rotation of the arm portion by the rotation of the rotation member, and the link The swinging portion of the elevating member connected to one end side of the member is also moved,
5. The elevating member is rotated in a direction in which the pressing portion descends with the second rotating shaft portion as a fulcrum by moving the swinging portion of the elevating member. The reclining mechanism in any one of -9.   The reclining mechanism according to any one of claims 1 to 10, wherein the arm portion of the rotating member is formed from an end portion of the beam portion in a direction opposite to the transmission portion.   A bed comprising the reclining mechanism according to claim 1.   A bed, wherein the reclining mechanism according to any one of claims 4 to 10 is provided inside the bed body. Inside the bed body, an inner side surface parallel to the side surface in the short direction is provided so as to surround each of the support bases,
The actuator of the reclining mechanism is characterized in that an attachment portion provided on the opposite side to the working pile is rotatably attached to the inner side surface portion on the one support base side of the bed body. The bed according to claim 13.   A reinforcing member is provided at least on the inside of the inner side surface portion on the one support base side and on the inner side of the longitudinal side surface portion, and the first mounting portion of the actuator and the first of the rotating member are provided. The bed according to claim 13 or 14, wherein the rotating shaft portion is attached to the reinforcing member. An opening is formed in the floor,
Inside the bed main body is provided with a box-shaped water tank in which the opening side is open and a drainage opening that can be freely opened and closed is provided at the bottom.
On the upper side of the water tank, a frame divided into a plurality is detachably placed so as to cover the opening,
The bed according to any one of claims 13 to 15, wherein the reclining frame is provided between the floor and the frame.   The water tank has an inclined part formed by inclining one of the longitudinal directions, and at least one of the actuator and the rotating member is disposed on a back surface of the inclined part of the water tank. The bed according to claim 16.   The bed according to claim 16, wherein at least one of the actuator and the rotating portion is disposed between the water storage tank and the side surface portion.

Images