JP7034839B2 - Bed device - Google Patents

Description

The present invention relates to a bed device in which a side fence can be detachably attached to a side portion of a bed frame.

For example, the bed device used in hospitals is used to prevent the comforter hung on the user from slipping off the bed device, to stand up when the user gets off the mattress, or to be caught when the user stands up and walks. The side fence used for the bed device is detachably provided on the side portion in the width direction of the bed frame of the bed device.

As a mounting structure for mounting a side fence on the side portion in the width direction of the bed frame, those shown in Patent Document 1 and Patent Document 2 are known.

In Patent Document 1, a pair of mounting tools are oscillatedly held on both ends of the mounting auxiliary frame under the urging force of a torsion spring about an axis orthogonal to the longitudinal direction of the mounting auxiliary frame. .. A lower receiver having a side fence holder and an upper receiver having an L-shaped cross section are integrally provided in the pair of the attachments, and are set so as to be displaced from each other in the longitudinal direction of the side frame of the bed device. Has been done. Further, the mounting tool is formed with a mounting hole in which the lower end portion of the side fence is inserted and supported.

As a result, even if the lower receiving tool and the upper receiving tool are integrally formed on the mounting tool, the mounting tool can be mounted on the side frame by swinging the mounting tool with respect to the mounting auxiliary frame. ing.

In Patent Document 2, one end of the upper member and the lower member is rotatably connected, and these members can be fixed in a joined state by a set screw. By fixing these members with the set screw, a recess for sandwiching the side member of the bed frame is formed at one end portion where the upper member and the lower member are joined.

Further, a rotating member having a support hole formed in which a lower end portion of the side fence is inserted and supported is provided at the front end portion of the upper member, and these members constitute a support device.

Japanese Unexamined Patent Publication No. 2000-166705 Japanese Unexamined Patent Publication No. 9-131242

According to the structure shown in Patent Document 1, the pair of attachments are only oscillatedly held by the urging force of the torsion spring with respect to the attachment auxiliary frame.

Therefore, when an external force is applied to the fixture due to a user being caught by the side fence supported by the side fence holder, the torsion spring is easily elastically deformed against the restoring force, so that the fixture is easily deformed. May easily shift with respect to the side frame.

As a result, it may become unstable because it is difficult for the user to maintain his / her posture when he / she gets up from the bed device or when he / she walks along the side fence.

Further, most of the mounting auxiliary frame and the mounting tool are provided so as to be exposed to the outside of the side frame, that is, to the outside. Therefore, the appearance of the bed device may be deteriorated, the bed device may be walked on the side, or the bed device may be easily hit when approached by a wheelchair.

According to the structure described in Patent Document 2, the upper member and the lower member, one ends of which are rotatably connected to each other, sandwich the side members of the bed frame by the recesses formed at the one ends thereof, and in that state, the above-mentioned It is fixed by a set screw provided on the other end side of each member. The set screw is located outside the side member, that is, outside the bed frame.

Therefore, there is a risk that the set screw may be inadvertently operated or may be hit and loosened. In such a case, when the user is caught by the side fence supported by the support hole of the rotating member connected to the side member, the support device supporting the side fence including the rotating member is a bed frame. There is a risk of rattling or shifting with respect to the side member of.

Therefore, in such a case, as in Patent Document 1, the posture may not be maintained and the user may become unstable when he / she gets up from the bed device or when he / she is caught by the side fence and walks along.

Moreover, since most of the support device is exposed to the outside of the side member of the bed frame, the appearance of the bed device is deteriorated, the side member of the bed device is walked, or the bed device is hit when approached by a wheelchair. Sometimes it's easy.

The present invention makes it possible to reliably support the side fence supported by the side portion of the bed frame without rattling, and the structure for supporting the side fence is large outward in the width direction of the bed frame. The purpose of the present invention is to provide a bed device that does not protrude and cause a deterioration in appearance or interfere with the appearance.

The present invention is a bed device having a bed frame to which side fences are attached via side members located at the widthwise ends of the bed frame.
A second unit that is indirectly or directly fixed to the bed frame on the inner surface side in the width direction of the side member, which is the same direction as the width direction of the bed frame, and is located on the upper surface and the lower surface of the side member, respectively. With an inner bracket having 1 engaging part,
The first side member is provided on the outer surface side in the width direction of the side member so as to be movable along the width direction of the side member, is located on the upper surface and the lower surface of the side member, respectively, and moves in the width direction of the side member . A second engaging portion that engages with the engaging portion, a pair of upper and lower extension portions extending from the upper surface and the lower surface of the side member toward the upper surface and the lower surface of the inner bracket, respectively, and an outer surface of the side member. An outer bracket having a support portion for supporting the side fence formed by opening on the upper surface of the portion located on the side, and
The outer bracket is driven in the width direction of the side member by the operation of the pair of extension portions located on the inner surface side in the width direction of the side member, and the second engaging portion is engaged with the first engaging portion. An operation of immovably fixing the outer bracket to the bed frame via the inner bracket in the width direction of the side member and the longitudinal direction orthogonal to the width direction by engaging the engaging portion of the side member. It is in a bed device characterized by being equipped with means.

According to the present invention, an operating means for immovably fixing the outer bracket to the inner bracket is provided on the inner surface side of the side member, and the outer bracket is driven by the operation of the operating means to engage the second bracket thereof. By engaging the portion with the first engaging portion of the inner bracket, the outer bracket having the support portion for supporting the side fence is fixed .

Therefore, since the operating means is provided on the inner surface side of the side member, that is, a place where the side member is not inadvertently hit or touched by a hand, not only the support state of the side fence by the support portion is not easily impaired. Since only the outer bracket is provided so as to project to the side of the bed frame, the appearance is also good.

FIG. 1 is a plan view showing a part of a floor unit of the bed device according to the embodiment of the present invention in cross section. The front view of the bed device as well. The plan view of the side fence mounting part provided in the side member of a bed frame. FIG. 3 is a cross-sectional view showing an inner bracket provided inside the side member and an outer bracket provided outside. The perspective view of the inner bracket and the outer bracket provided in the side member. FIG. 3 is a perspective view of a pair of outer brackets connected by a connecting member and a cover attached to these outer brackets. Front view of side fences attached to a pair of outer brackets.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

1 is a plan view showing a bed device, FIG. 2 is a side view, and the bed device includes a bed frame 1. The bed frame 1 is connected to a pair of side members 2 arranged in parallel and facing each other at predetermined intervals, a first board body 3 connected to one end in the longitudinal direction of the side members 2, and the other end. It is composed of a second board body 4.

A floor unit 6 is provided inside the bed frame 1 surrounded by the side member 2, the first board body 3, and the second board body 4. The floor unit 6 is provided with a pair of support members 7 provided on the inner surface side of the side member 2 in the width direction in parallel with each other at predetermined intervals and facing each other. One end of each support member 7 in the longitudinal direction is connected to the inner surface of both ends in the width direction of the first board body 3, and the other end is connected to the inner surface of the end portion in the width direction of the second board body 4. There is.

As shown in FIG. 1, a fixed floor portion 8 is provided at a central portion in the longitudinal direction of the pair of support members 7. The fixed floor portion 8 has a pair of horizontal rods 9 erected in the middle portion of the pair of support members 7 in the longitudinal direction so as to be spaced apart from each other at predetermined intervals with respect to the longitudinal direction. The net 11 is provided in a grid pattern on the pair of horizontal rods 9.

A back-raising frame 13 having a U-shaped plane is rotatably connected to one end of the horizontal rod 9 located on the side of the first board body 3 of the fixed floor portion 8. Has been done. A net 14 is stretched on the back-raising frame 13.

On the other horizontal rod 9 on the side of the second board body 4 of the fixed floor portion 8, the first leg frame 17 provided with the nets 15 and 16, respectively, and the second leg frame 18 are sequentially rotated. It is movably connected.

The tip of the back-raising frame 13 is a first lateral portion erected between the ends of the pair of support members 7 on the first board body 3 side when the back-raising frame 13 is horizontally laid down. Supported by rod 19a.

The tip of the second leg frame 18 is supported in a horizontal state by a second horizontal rod 19b erected between the ends of the pair of support members 7 on the side of the second board body 4. Further, the connecting portion between the first leg frame 17 and the second leg frame 18 is a pair of third members projecting from the inner surface of the pair of support members 7 on the second board body 4 side. It is supported by the horizontal rod 19c in a horizontal lying state.

As shown in FIG. 2, leg bodies 22 having casters 22a at the lower ends are vertically hung on the lower surfaces of both ends of the pair of support members 7 in the longitudinal direction. Thereby, the bed frame 1 provided with the floor unit 6 is movably supported by the casters 22a.

A linear drive source 25 such as a linear motor or a cylinder, and a link mechanism 25a driven by the linear drive source 25 are provided on the lower surface side of the fixed floor portion 8. When the link mechanism 25a is driven by the linear drive source 25, the back-raising frame 13 is driven in the rising direction. In conjunction with this, the first leg frame 17 and the second leg frame 18 are bent upward in a mountain shape.

The mattress M shown by the chain line in FIG. 2 is placed on the floor unit 6. The width dimension of the mattress M is set to be substantially the same as the width dimension of the bed frame 1, that is, the width dimension formed by the pair of side members 2.

When the floor unit 6 is driven by the linear drive source 25, the user lying on the mattress M raises his upper body while bending his legs together with the mattress M. As a result, the user raises his upper body while being supported by the first and second leg frames 17 and 18 which are bent in a mountain shape and stand up so that the buttocks do not shift forward.

The drive of the back-raising frame 13 by the linear drive source 25 and the drive of the first leg frame 17 and the second leg frame 18 can be selected by a switching mechanism (not shown). That is, only the back-raising frame 13 can be driven, or the first and second leg frames 17, 18 can be driven together.

A pair of leg portions 20a of the side fence 20 shown in FIG. 7 can be attached to and detached from a total of four locations (only one location is shown in FIG. 1) at one end and the other end of both sides of the bed frame 1 in the longitudinal direction. A side fence mounting portion 21 for holding the bed is provided.

The side fence mounting portion 21 has a pair of inner brackets 23 provided at predetermined intervals in the longitudinal direction on the outer surface in the width direction of the support member 7 of the floor unit 6, which is the inner surface side of the side member 2. In FIG. 1, of the four side fence mounting portions 21, only one location shows the whole, and the other three locations show only a pair of the inner brackets 23.

As shown in FIG. 3, the inner bracket 23 has a U-shaped planar shape, and the tips of both side surfaces 23a thereof are fixed to the outer surface of the support member 7 by means such as welding, and the upper and lower sides of the intermediate side 23b are above and below. A pair of first engaging portions 24, which are bent in an L shape at both ends of the ends and are located on the upper surface and the lower surface of the side member 2, are formed. The first engaging portion 24 has a rectangular shape.

The upper and lower pairs of the first engaging portions 24 are separated from each other by a predetermined interval between the upper surface and the lower surface of the side member 2 in the longitudinal direction of the side member 2.

On the outer surface side of the side member 2 in the width direction, an outer bracket 26 is provided at a position corresponding to the inner bracket 23 provided on the support member 7. The outer bracket 26 has a side side 26a, and an upper side 26b and a lower side 26c bent in an L shape at the upper and lower ends of the side side 26a.

At the tips of the upper side 26b and the lower side 26c of the outer bracket 26 , an extension portion 27 having a width dimension slightly smaller than the distance between the pair of upper and lower engaging portions 24 of the inner bracket 23 is formed so as to project. ing.

The outer bracket 26 sandwiches the upper and lower surfaces of the side member 2 between the upper side 26b and the lower side 26c, and the pair of extension portions 27 are located on the upper and lower surfaces of the side member 2. It is inserted between the engaging portions 24 of the above and is movably held along the width direction of the side member 2 indicated by the arrow X in FIG.

When the outer bracket 26 is slid in the direction of the support member 7 provided with the inner bracket 23, that is, inward in the width direction of the bed frame 1 (direction indicated by + X in FIG. 3), the outer bracket A pair of corners formed by the upper side 26b and the extension portion 27, and the lower side 26c and the extension portion 27 of 26 engage with the corner portions of the pair of first engaging portions 24. As a result, the outer bracket 26 is prevented from moving in the longitudinal direction of the side member 2 shown in FIG. Y, which intersects the + X direction and the + X direction.

Here, a pair of upper and lower corner portions formed by the upper side 26b and the extending portion 27 of the outer bracket 26, and the lower side 26c and the extending portion 27 are engaged with the first engaging portion 24. The second engaging portion 28.

The pair of upper and lower extension portions 27 of the outer bracket 26 project from the inner surface of the side member 2 in the width direction to the upper and lower surfaces of the inner bracket 23, and the protruding portion, that is, the inner surface of the side member 2 and the support member 7. As shown in FIG. 4, a pair of upper and lower mounting holes 29 are formed in the portions corresponding to the outer surface of the above.

A shaft-shaped transmission member 31 having a collar 31a at the upper end is inserted into the pair of mounting holes 29 by engaging the collar 31a with the peripheral portion of the mounting hole 29 above, and the lower end thereof is inserted into the mounting hole 29 below. It is inserted and supported in.

A female screw 32 is formed in the middle portion in the axial direction of the transmission member 31 so as to penetrate in the radial direction, and a screw member 33 having a handle portion 33a such as a thumb screw is formed in the support member 7. It is screwed through a pair of through holes 7a. A washer 32a is provided between the side surface of the support member 7 and the handle portion 33a.

When the screw member 33 is screwed in, the outer bracket 26 is driven in the direction of the inner bracket 23, that is, in the direction indicated by + X in FIG. 3, via the transmission member 31. As a result, the second engaging portion 28 is pressed into contact with the first engaging portion 24 in a state of being engaged, so that the outer bracket 26 is in the width direction of the side member 2 indicated by the arrow Y in FIG. It is held immovably with respect to the X direction, which is the longitudinal direction orthogonal to the width direction.

In this embodiment, the transmission member 31 and the screw member 33 drive the outer bracket 26 in the width direction of the side member 2, and are immovable in the width direction and the direction intersecting the width directions. It constitutes an operating means 34 for fixing. The operating means 34 is provided on the inner surface side of the side member 2 of the bed frame 1 in the width direction.

As shown in FIGS. 3 and 4, mounting holes 35 are formed at corresponding positions in the tip portions of the upper side 26b and the lower side 26c of the tip portion of the outer bracket 26 located on the outer surface side of the side member 2. ing. A cylindrical member 36 capable of inserting and supporting the leg portion 20a of the side fence 20 is held in the pair of upper and lower mounting holes 35. The leg portion 20a of the side fence 20 is detachably inserted and supported in the tubular member 36. The tubular member 36 forms a support portion for the leg portion 20a.

As shown in FIG. 6, the pair of outer brackets 26 of the side fence mounting portion 21 are connected by a strip-shaped connecting member 41. In this embodiment, one end and the other end of the connecting member 41 are connected and fixed to the cylindrical member 36 supported by the outer bracket 26.

In the pair of outer brackets 26 connected by the connecting member 41, the distance between the pair of cylindrical members 36 provided therein is the same as the distance between the pair of legs 20a of the side fence 20. It is set.

The side fence mounting portion 21, that is, the pair of outer brackets 26 and the connecting member 41 connecting them are covered with a cover 42 formed of, for example, synthetic resin. As shown in FIGS. 3, 4, and 6, the cover 42 has an open back surface, and both ends thereof in the longitudinal direction are detachably engaged with the pair of outer brackets 26 to be attached.

The cover 42 is formed with a through hole 43 at a position corresponding to the tubular member 36 provided on the outer bracket 26. Further, the front surface of the cover 42 is formed in a concave portion 44 having a concave curved surface shape inward in the width direction of the side member 2.

According to the bed device having such a configuration, the side fence 20 is supported on the side member 2 of the bed frame 1 via the outer bracket 26. The outer bracket 26 can be immovably held and fixed to the side member 2 via the inner bracket 23 by rotating the screw member 33 of the operating means 34.

The operating means 34 is provided on the inner surface side of the side member 2 in the width direction. Moreover, the screw member 33 of the operating means 34 for driving the outer bracket 26 has the width of the support member 7 of the floor unit 6 in which the handle portion 33a is located inward in the width direction of the side member 2. It protrudes toward the inner surface in the direction.

Therefore, when the user or the caregiver walks to the side of the bed device or moves in a wheelchair while the outer bracket 26 is fixed to the side member 2 by the operating means 34, the side member It is possible to prevent the screw member 33 located inward in the width direction from hitting the handle portion 33a or inadvertently operating the screw member 33. That is, it is possible to prevent the outer bracket 26 from being inadvertently impaired in the fixed state with respect to the side member 2.

Since the fixed state of the side fence 20 by the operating means 34 is not inadvertently impaired, the user of the bed device stands up by grasping the side fence 20 or walks along while holding the side fence 20. In such a case, it is possible to prevent the side fence 20 from rattling against the side member 2 and giving anxiety to the user.

The pair of outer brackets 26 of the side fence mounting portion 21 connected by the connecting member 41 are covered by the cover 42. Therefore, since the connecting member 41 and the outer bracket 26 are not exposed to the outside, it is possible to prevent the appearance of the bed device from being spoiled by the side fence mounting portion 21.

The front surface of the cover 42 is formed in the curved recess 44. Therefore, when the side fence 20 is removed from the side fence mounting portion 21 to take care of the user lying on the bed device, the caregiver can approach the user lying on the back by using the recess 44. Therefore, care such as nursing care can be easily performed.

Further, when the user of the bed device is using a wheelchair, the wheelchair can be easily approached to the bed device from the recess 44 of the cover 42, so that getting on and off the bed device can be done by the side fence. It can be done without being significantly damaged by the mounting portion 21.

When it is not necessary to provide the side fence 20 on the bed frame 1, the side fence mounting portion 21 can be removed from the bed frame 1.

That is, after removing the screw member 33 of the operating means 34 from the transmission member 31, the transmission member 31 inserted and supported in the pair of mounting holes 29 of the pair of extension portions 27 of the outer bracket 26 is pulled upward. If the side member 2 is removed from the extension portion 27, the outer bracket 26 held by engaging the upper side 26b and the lower side 26c with the side member 2 can be removed from the bed frame 1.

That is, since the pair of outer brackets 26 constituting the side fence mounting portion 21 connected by the connecting member 41 can be removed from the bed frame 1, if the side fence 20 is not required, the outer bracket 26 Does not get in the way.

Since the inner bracket 23 is provided on the inner surface side of the side member 2, when the outer bracket 26 is removed, it may be exposed to the outside and get in the way or spoil the appearance of the bed device. do not have.

The pair of outer brackets 26 are connected by the connecting member 41 at predetermined intervals, that is, at intervals corresponding to the pair of inner brackets 23 provided on the inner surface side of the side member 2 of the bed frame 1. That is, the pair of outer brackets 26 are positioned in advance at predetermined intervals.

Therefore, the work of attaching the pair of outer brackets 26 to the pair of inner brackets 23 can be easily and quickly performed.

The outer bracket 26 can be attached to or removed from the inner bracket 23 by attaching / detaching the transmission member 31 in a state where the screw member 33 is removed from the transmission member 31.

Therefore, the outer bracket 26 can be easily and quickly attached to and detached from the inner bracket 23.

The present invention is not limited to the above-described embodiment, and can be variously modified without departing from the gist of the invention.

For example, in the above-described embodiment, the outer bracket 26 is movably provided on the side member 2 of the bed frame 1, but the inner bracket 23 can be driven by the operating means 34, and the outer bracket 26 is mounted on the side member. 2 may be detachably provided, and the inner bracket 23 may be driven by the operating means 34 to immovably fix the outer bracket 26 to the side member 2.

Further, although the inner bracket 23 is provided on the support member 7 of the floor unit 6 provided inside the bed frame 1, the inner bracket 23 may be provided directly on the inner surface of the side member 2 of the bed frame 1. good.

1 ... Bed frame, 2 ... Side member, 6 ... Floor unit, 20 ... Side fence, 21 ... Side fence mounting part, 23 ... Inner bracket, 24 ... First engaging part, 26 ... Outer bracket, 27 ... Extension part , 28 ... second engaging portion, 31 ... transmission member, 33 ... screw member, 34 ... operating means, 36 ... tubular member (support portion), 41 ... connecting member, 42 ... cover, 44 ... recess.

Claims (5)

A bed device having a bed frame to which side fences are attached via side members located at the widthwise ends of the bed frame.
A second unit that is indirectly or directly fixed to the bed frame on the inner surface side in the width direction of the side member, which is the same direction as the width direction of the bed frame, and is located on the upper surface and the lower surface of the side member, respectively. With an inner bracket having 1 engaging part,
The first side member is provided on the outer surface side in the width direction of the side member so as to be movable along the width direction of the side member, is located on the upper surface and the lower surface of the side member, respectively, and moves in the width direction of the side member . A second engaging portion that engages with the engaging portion, a pair of upper and lower extension portions extending from the upper surface and the lower surface of the side member toward the upper surface and the lower surface of the inner bracket, respectively, and an outer surface of the side member. An outer bracket having a support portion for supporting the side fence formed by opening on the upper surface of the portion located on the side, and
The outer bracket is driven in the width direction of the side member by the operation of the pair of extension portions located on the inner surface side in the width direction of the side member, and the second engaging portion is engaged with the first engaging portion. An operation of immovably fixing the outer bracket to the bed frame via the inner bracket in the width direction of the side member and the longitudinal direction orthogonal to the width direction by engaging the engaging portion of the side member. A bed device characterized by being equipped with means. Inside the bed frame, a floor unit having a support member parallel to the side member of the bed frame is provided.
The bed device according to claim 1, wherein the inner bracket is fixedly provided to the side member of the bed frame or the support member of the floor unit . The operating means
A transmission member detachably supported by a tip portion of the pair of extension portions projecting toward the inner surface side in the width direction of the side member, and a transmission member.
It has a screw member provided on the inner surface side of the side member so as to be rotatable and immovable in the axial direction by crossing the axial direction with the transmission member and having a tip portion screwed to the transmission member.
By rotating the screw member, the outer bracket is driven inward in the width direction of the side member via the transmission member to engage the second engaging portion with the first engaging portion. The bed device according to claim 1 or 2 , wherein the outer bracket is made to be immovably held in the width direction and the longitudinal direction of the side member. The side fences are supported by the support portions of the pair of outer brackets separated at predetermined intervals, and the pair of outer brackets are connected by connecting members at intervals corresponding to the width dimension of the side fences. The bed device according to any one of claims 1 to 3, wherein the bed device is characterized by the above. The claim is characterized in that the pair of outer brackets and the connecting member connecting the outer brackets are covered by a cover formed in a concave portion whose front surface is recessed inward in the width direction of the bed frame. Item 4. The bed device according to item 4.

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