JP3554493B2 - Bed side fence device and bed device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a bed side fence device and a bed device provided on a side portion of a bed frame.
[0002]
[Prior art]
The bed device is provided with side fences on the side of the bed frame to prevent a user lying on the mattress from falling or a futon from slipping off. The side fence has a fixed fence member fixedly provided on the bed frame, and a state in which the side of the bed frame is closed so that a user (patient) can get on and off the mattress or receive a medical examination. There is a movable fence member that can be rotated to the open position, and usually both fence members are provided on the side of the bed frame.
[0003]
In the case of a user who has a disability or weakness, when getting off the mattress, first, the movable fence member is rotated to open the side of the bed frame. Next, the user sits down on one end in the width direction of the mattress, descends his / her legs, and gets up by grasping the movable fence member. That is, the movable fence member is used when standing up.
[0004]
Conventionally, the movable fence member is provided rotatably, and is configured to be held non-rotatably by a hook or the like in a state where the side portion of the bed frame is closed, but in an open state where the hook is removed and rotated. , Can be freely rotated.
[0005]
Therefore, when the user stands up from the state of sitting on the mattress, if the user catches on the movable fence member, the movable fence member rotates, and the user may not be able to stand up in a stable state.
[0006]
[Problems to be solved by the invention]
As described above, conventionally, when the user opens the movable fence member and gets off the mattress and gets up, the user may grab the movable fence member, but since the conventional movable fence member is rotatable in the opened state. In some cases, it was impossible to get up in a stable state because it would rotate if you grabbed it when you got up.
[0007]
The present invention provides a bed side fence device and a bed device that prevent the movable fence member from rotating even if the user grasps on the movable fence member whose side portion of the bed frame is open when standing up. It is in.
[0008]
[Means for Solving the Problems]
The invention according to claim 1 is a bed side fence device provided on a side portion of a bed frame,
A fixed shaft attached to the bed frame,
A movable cylinder body rotatably and axially slidably mounted on the fixed shaft,
A movable fence member attached to the movable cylinder and rotatable with the movable cylinder about the fixed axis,
Holding means for non-rotatably holding the movable fence member in a state substantially parallel to the side of the bed frame and in a state rotated at a predetermined angle,
The holding means includes a plurality of engaging portions formed at predetermined intervals in a circumferential direction on a portion of the fixed shaft located inside the movable tubular body, and engages with the engaging portions provided on the movable tubular body. Then, the movable cylinder is held unrotatably, and the movable cylinder is slid upward along the fixed axis, thereby disengaging from the engaging portion and enabling the movable cylinder to rotate. A bed fence device for a bed, characterized in that it is constituted by an engaging member.
[0010]
The invention according to claim 2 is a bed device in which a side fence is provided on a side portion of a bed frame on which a mattress is placed,
A recess formed in the side of the mattress inward in the width direction and formed with a predetermined length in the longitudinal direction,
A fixed shaft attached to a portion corresponding to one longitudinal end of the concave portion of the mattress of the bed frame,
A movable cylinder body rotatably and axially slidably mounted on the fixed shaft,
A movable fence member attached to the movable tubular body and rotatable with the movable tubular body about the fixed axis and bent inward in the width direction of the bed frame so as to follow the recess;
Holding means for non-rotatably holding the movable fence member in a state substantially parallel to the side of the bed frame and in a state rotated at a predetermined angle,
The holding means includes a plurality of engaging portions formed at predetermined intervals in a circumferential direction on a portion of the fixed shaft located inside the movable tubular body, and engages with the engaging portions provided on the movable tubular body. Then, the movable cylinder is held unrotatably, and the movable cylinder is slid upward along the fixed axis, thereby disengaging from the engaging portion and enabling the movable cylinder to rotate. The bed device is constituted by an engagement member .
[0011]
According to the first aspect of the present invention, the movable fence member is held non-rotatably in a state substantially parallel to the side of the bed frame and in a state rotated at a predetermined angle. Even if the movable fence member rotated at a predetermined angle is grasped by the movable fence member while standing up from the sitting state, the movable fence member does not rotate.
[0012]
In addition, since the holding means capable of holding the movable fence member in a predetermined state so as to be non-rotatable by using a fixed shaft for rotatably mounting the movable fence member is configured, a simple configuration can be achieved. Can be easily configured.
[0013]
According to the second aspect of the present invention, when a concave portion that is recessed inward in the width direction is formed on the side portion of the mattress, the movable fence member that can open and close the side portion of the bed frame corresponding to the concave portion at a predetermined rotation angle. By being configured to be able to be held so as not to rotate, when the user stands up using the recess, the user can reliably stand up using the movable fence member.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0015]
The bed device shown in FIG. The base frame 1 is formed in a rectangular frame shape, and casters 2 with stoppers are provided at four corners thereof. Thereby, the base frame 1 has a movable configuration.
[0016]
A bed frame 4 formed in a rectangular frame shape via an arm 3 is provided on the base frame 1 so as to be vertically movable. The bed frame 4 is driven vertically by a vertical drive mechanism 5 and is held at a predetermined height position. The bed frame 4 has a pair of vertical rods 4a separated in parallel at a predetermined interval with a headboard 6 standing on one longitudinal end and a footboard 7 standing on the other end.
[0017]
A floor plate 9 is provided on the upper surface of the bed frame 4, and a mattress 10 is finely formed on the floor plate 9.
[0018]
First recesses 9a and 10a are formed in the middle part of both sides of the floor plate 9 and the mattress 10 in the width direction.
[0019]
The interval between the pair of vertical rods 4a of the bed frame 4 is set so as not to be exposed to the concave portion 10a of the mattress 10.
[0020]
A pair of brackets 12 are provided at predetermined intervals in the longitudinal direction on both sides in the width direction at one longitudinal end of the bed frame 4. A side fence device 13 is detachably attached to both sides or one side (one side in this embodiment) of the bed frame 4 using the pair of brackets 12.
[0021]
As shown in FIG. 3, the side fence device 13 includes a fixed fence 14 and a movable fence 15 attached to one end of the fixed fence 14 in the width direction. The fixed fence 14 has a fixed fence member 17 provided above the horizontal member 16 and a pair of leg members 18 provided below. The leg member 18 is inserted into the holding hole 12a of the bracket 12, and the fixing knob 19 is screwed to one or both leg members 12a, so that the leg member 18 is detachably attached to the bed frame 4.
[0022]
The movable fence 15 has a fixed shaft 21 having a lower end fixed to one longitudinal end of the horizontal member 16 of the fixed fence 14 and vertically suspended. The fixed shaft 21 includes a large-diameter shaft portion 22a and a small-diameter shaft portion 22b formed on an upper end side of the large-diameter shaft portion 22a. An upper end portion of the small-diameter shaft portion 22b is formed in a screw portion 22c. .
[0023]
A stopper shaft 24 having the same diameter as the large-diameter shaft portion 22a and having a nut 23 embedded therein is attached to the upper end of the small-diameter shaft portion 22b by screwing the nut 23 to the screw portion 22c. Have been.
[0024]
As shown in FIG. 2, a space 25 is formed between the upper end of the large-diameter shaft portion 22a and the lower end of the stopper shaft 24, and a holding member 26 is provided in the space 25 for the small-diameter shaft portion 22b. It is externally fitted to the lower end and is fixed by a pin 26a. On the upper end side of the holding member 26, first to fourth four engaging grooves 27a to 27d as opening portions opened to the upper end surface are formed at 90-degree intervals in the circumferential direction.
[0025]
A movable cylinder 28 is rotatably fitted to the fixed shaft 21 so as to be rotatable and vertically movable.
An engagement shaft 29 as an engagement member is provided on the peripheral wall of the movable cylindrical body 28 so that the tip end projects into the space 25. The movable shaft 28 engages with one of the four engaging grooves 27 a to 27 d of the holding member 26 by sliding the movable cylinder 28 in the downward direction along the fixed shaft 21. Thereby, the movable cylinder 28 is held by the fixed shaft 21 so as not to rotate.
[0026]
A bush 21a for smoothly rotating the movable cylinder 28 is provided above the fixed shaft 21.
[0027]
The movable cylindrical member 28 has a movable fence member 30 having a substantially U-shaped side surface shape and a substantially U-shaped bent planar shape corresponding to the planar shape of the first concave portion 8 of the bed frame 4. It is fixed.
[0028]
In a state where the engagement shaft 29 is engaged with the first engagement groove 27a of the holding member 26, the movable fence member 30 of the movable fence 15 is connected to the first fence of the bed frame 4 as shown by a solid line in FIG. Is positioned substantially parallel to the side of the bed frame 4 on the recess 8 of the bed frame 4, and the side of the bed frame 4 is closed by the fixed fence 14.
[0029]
The movable tubular body 28 of the movable fence 15 is raised together with the movable fence member 30 and rotated by about 90 degrees as shown by a chain line in FIG. 6, and the side of the bed frame 4 closed by the movable fence member 30 is opened in a half-open state. When released, the engagement shaft 29 is engaged with the second engagement groove 27b, and the movable fence 15 is held so as not to rotate.
[0030]
Similarly, if the side of the bed frame 4 is fully opened by rotating the movable fence member 180 by 180 degrees as also indicated by a solid line in the same figure, the engagement shaft 29 engages with the third engagement groove 27b. In combination, the movable fence member 30 is held so as not to rotate.
[0031]
The floor plate 9 is composed of a plurality of rotatably divided floor portions, and a drive device 31 for raising and lowering the floor portion corresponding to the back of the user is provided on the lower surface side of the bed frame 4. Have been.
[0032]
According to the bed apparatus having such a configuration, when the user lies on the mattress 10, the rotation angle of the movable fence member 30 of the movable fence 15 is set to 0 °, and the side of the bed frame 1 is fixed to the fixed fence of the fixed fence 14. It is closed by the member 17. In this state, as shown in FIG. 4A, the engagement shaft 29 is engaged with the first engagement groove 27a of the holding member 26, and the movable fence member 30 is held so as not to rotate. Therefore, it is possible to prevent the user lying on the mattress 10 or the futon on which the user hangs from falling.
[0033]
When the user descends from the mattress 10 and stands up, first, the movable fence member 30 of the movable fence 15 is raised to disengage the engagement shaft 29 from the first engagement groove 27a, and the movable fence member 30 is fixed. By rotating the shaft 29 approximately 90 degrees along the shaft 21, the engagement shaft 29 is engaged with the second engagement groove 27a as shown in FIG. Thereby, the movable fence 15 is in a semi-open state in which the movable fence member 30 is rotated substantially at right angles to the side of the bed frame 4 to open the side of the bed frame 4. This operation is often performed by a caregiver.
[0034]
Next, the user moves to the portion of the mattress 10 where the concave portion 10a is formed, sits down on the portion, and lowers the leg from the location of the concave portion 10a to the floor. Then, it is possible to stand up relatively easily by being gripped by the movable fence member 30 of the movable fence 15, and furthermore, by being gripped by the fence member 29 until the legs and legs are in the upright posture, it is possible to prevent staggering. it can.
[0035]
The movable fence member 30 of the movable fence 15 is held in a non-rotatable state in a half-open state in which it is rotated by 90 degrees. Therefore, even if the user grasps when standing up, it does not rotate, so that it is possible to reliably assist the user to stand up.
[0036]
In addition, when the user lowers the leg at the concave portion 10a of the mattress 10 and stands up, the portion close to the buttocks of the user's leg when standing up, that is, the portion on the back side of the thigh is the concave portion 10a. And the first and second concave portions 8 and 9a are supported, so that the user's body is prevented from swinging laterally or backward.
[0037]
Therefore, when the user stands up, the thighs are supported by the inner surface of the concave portion 10a, thereby preventing the legs from wobbling. It is possible to easily stand up in a stable state.
[0038]
When the user on the mattress 10 is to be transferred to a wheelchair, for example, the movable fence member 30 of the movable fence 15 is rotated by 180 degrees and the engagement shaft 29 is moved to the third position as shown in FIG. The movable fence member 30 is non-rotatably held in the fully opened state by engaging with the engagement groove 27c. Thereby, when the user is moved from the mattress 10 to the wheelchair, the movable fence member 30 can be performed without obstruction.
[0039]
Further, by providing the pair of brackets 12 on both sides of the bed frame 4, the side fence device 13 can be transferred from one side of the bed frame 4 to the other side. At this time, since the movable fence member 30 of the movable fence 15 is bent in a U-shape, the movable fence member 30 can be coped with by being replaced with the fixed shaft 21 upside down.
[0040]
The side fence device 13 may be provided not only on one side of the bed frame but also on both sides. Further, the side fence device 13 is constituted by the fixed fence 14 and the movable fence 15, but the movable fence 15 may be provided without the fixed fence 14. In this case, the fixed shaft 21 of the movable fence 15 may be erected directly on the bed frame 4 or via a bracket.
[0041]
Furthermore, although the concave portions are formed on the side portions of the floor plate 9 and the mattress 10, the side fence device 13 of the present invention can be used even in a bed device having no concave portions. In that case, the plane shape of the movable fence member 30 of the movable fence 15 only needs to be linear.
[0042]
【The invention's effect】
According to the first aspect of the present invention, the movable fence member of the movable fence can be non-rotatably held in a rotating state in which the side of the bed frame is closed and opened.
[0043]
Therefore, even when the user stands on the end of the mattress and rises from the state where the user stands, the movable fence member rotated at a predetermined angle does not rotate, so that the user is stable. It is possible to stand up reliably in the state where it was done.
[0044]
Also, a holding means capable of holding the movable fence member in a non-rotatable manner at a predetermined rotation angle by using a cylinder of the movable fence and a fixed shaft provided rotatably with the cylinder.
[0045]
Therefore, the holding means can have a simple configuration. Moreover, by raising the cylindrical body along the fixed axis, the movable fence member can be released from the process state and rotated, so that the operability is good.
[0046]
According to the second aspect of the present invention, when a concave portion that is inwardly depressed in the width direction is formed on a side portion of the bed frame, the movable fence member that can open and close a portion corresponding to the concave portion is rotated at a predetermined rotation angle. Impossible to hold.
[0047]
Therefore, when the user stands up using the concave portion, the user can not only stand up reliably using the movable side fence, but also the leg portion is supported by the concave portion. It is possible to get up.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a fixed shaft portion of a movable fence showing one embodiment of the present invention.
FIG. 2 is a longitudinal sectional view of a fixed shaft part.
FIG. 3 is a front view of the side fence device.
FIG. 4 is an explanatory view showing a holding state when the movable side fence member is rotated.
FIG. 5 is a side view of the bed device.
FIG. 6 is a plan view of the same.
[Explanation of symbols]
4 bed frame 8 recess 21 fixed shaft 26 holding member (holding means)
27a to 27d: engagement groove (holding means)
28 movable cylinder 29 engagement shaft (holding means)
30 ... Movable fence member

Claims (2)

In the bed side fence device provided on the side of the bed frame,
A fixed shaft attached to the bed frame,
A movable cylinder body rotatably and axially slidably mounted on the fixed shaft,
A movable fence member attached to the movable cylinder and rotatable with the movable cylinder about the fixed axis,
Holding means for non-rotatably holding the movable fence member in a state substantially parallel to the side of the bed frame and in a state rotated at a predetermined angle,
The holding means includes a plurality of engaging portions formed at predetermined intervals in a circumferential direction on a portion of the fixed shaft located inside the movable tubular body, and engages with the engaging portions provided on the movable tubular body. Then, the movable cylinder is held unrotatably, and the movable cylinder is slid upward along the fixed axis, thereby disengaging from the engaging portion and enabling the movable cylinder to rotate. A side fence device for a bed , comprising: an engaging member . In a bed device in which a side fence is provided on a side of a bed frame on which a mattress is placed,
A recess formed in the side of the mattress inward in the width direction and formed with a predetermined length in the longitudinal direction,
A fixed shaft attached to a portion corresponding to one longitudinal end of the concave portion of the mattress of the bed frame,
A movable cylinder body rotatably and axially slidably mounted on the fixed shaft,
A movable fence member attached to the movable tubular body and rotatable with the movable tubular body about the fixed axis and bent inward in the width direction of the bed frame so as to follow the recess;
Holding means for non-rotatably holding the movable fence member in a state substantially parallel to the side of the bed frame and in a state rotated at a predetermined angle,
The holding means includes a plurality of engaging portions formed at predetermined intervals in a circumferential direction on a portion of the fixed shaft located inside the movable tubular body, and engages with the engaging portions provided on the movable tubular body. Then, the movable cylinder is held unrotatably, and the movable cylinder is slid upward along the fixed axis, thereby disengaging from the engaging portion and enabling the movable cylinder to rotate. A bed device comprising an engaging member .

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