JP2000083764A - Elevating type side fence in bed or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a holding mechanism from being simply released beyond control by lifting a side fence at need and holding the same by the holding mechanism. SOLUTION: This fence includes a strut part 5 provided to be projected from below the bottom above the side of the bottom and stored, a fence part 6 rotatably provided on the strut part 5 and a stopper mechanism 7 adapted to bind the fence part 6 and the strut part 5 to hold the fence part 6 above the side of the bottom 3. An operating lever 8 for operating the stopper mechanism 7 is covered with a cover member 9 so that the external force is not applied to the lever from the directions other than the operating direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a side fence for covering a side surface of a bed by lifting it when necessary and holding it by a holding mechanism, wherein the holding mechanism is not easily released by force majeure. It is related to the lifting side fence.

[0002]

2. Description of the Related Art Conventionally, regardless of a medical bed or a general bed, a side fence is provided on a side surface of the bed to prevent the bed from falling. Although there are various types of side fences, recently, a so-called full-surface fence capable of covering the entire side surface of a bed has been proposed. Further, there is also proposed an elevating type side fence that is stored below the floor when it is not needed, and is lifted and held above the floor when needed and used as a fence. In such a vertical fence, when the fence is lifted and held above the floor, the holding mechanism, that is, a stopper mechanism is used.

[0003]

However, the stopper mechanism is usually located at the end of the fence for easy operation, and is exposed. There is a concern that unlocking may occur due to force majeure such as a collision with a foot or contact with equipment or equipment around the bed. The present invention has been proposed in order to solve such inconvenience, and when necessary, lifts up and holds by a holding mechanism to cover the side surface of the bed.
An object of the present invention is to provide an elevating type side fence in a bed or the like, wherein the holding mechanism is not easily released due to force majeure.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a vertically movable side fence in a bed or the like, which is provided on a frame supporting a bottom so as to be protrudable from below the bottom to above the side surface of the bottom. The stopper includes a support portion, a fence rotatably attached to the support portion, and a stopper mechanism configured to restrain the fence portion and the support portion to hold the fence portion above the bottom side surface. An operation lever for operating the mechanism is covered by a cover member so that external force is not applied from directions other than the operation direction. In the above-described configuration, the support portion performs a parallel link operation.
A second link, wherein the fence is rotatably attached to the tip of the first link and the second link, and the stopper mechanism is provided near the attachment of the first link and the second link to the fence, The restricting shaft is engaged with the first link or the second link side from the fence side to the first link or the second link side by a biasing means to restrict the fence part and the first link or the second link. The shaft is disengaged from the first link or the second link side against the urging force of the urging means by the operation lever to release the restrained state between the fence and the first link or the second link. The fence has a straight main frame member, and a vertical frame member that is orthogonal to the vicinity of both ends of the main frame member and that is axially fixed to the first link or the second link at the distal end side. A fence frame member protrudes from the main frame member, and a main frame An end fence frame member is provided between the material and the vertical frame members near both ends of the main frame member, and the main frame member or the end fence frame member is protruded in the longitudinal direction with the end side of the main frame member as an open end. The open end of the frame member or the end fence frame member is covered by the cover member, and the operation lever is covered by the cover member so that external force is not applied from directions other than the operation direction.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, one embodiment of a vertically movable side fence in a bed or the like according to the present invention will be described.
This will be described below with reference to the accompanying drawings. A bed 1 shown in FIG. 1 is a so-called gatch bed, which supports a main frame (not shown) on a base frame 2 with casters via, for example, a link (not shown) constituting an elevating mechanism. The divided bottom 3 is placed on the main frame on which the
The side surface is configured to be covered by the elevating side fence 4. That is, as shown in FIGS. 2 and 4, the up-and-down type side fence 4 is, for example, provided on a main frame (not shown) supporting the bottom 3 so as to protrude from below the bottom 3 to above the side of the bottom 3 so as to be retractable. 5, a fence part 6 rotatably provided on the support part 5, and a stopper mechanism 7 for holding the fence part 6 above the bottom 3 side surface by restraining the fence part 6 and the support part 5. The operation lever 8 for operating the stopper mechanism 7 is covered by the cover member 9 so that external force is not applied from directions other than the operation direction.

The column 5 performs a parallel link operation.
It has first and second links 10 and 11, and the fence 6
The first link 10 and the second link 11 are rotatably attached to the distal ends. Such first and second links 10, 11
In order to guard almost the whole body except for the patient's head on the bottom 3, the fence 6 is paired at a corresponding interval,
The base end is rotatably attached to the main frame side. Then, the pair of first links 10 are connected by a connection frame 12 so as to be able to rotate simultaneously, and a synthetic resin bumper member 13 formed by extrusion molding is fitted to the connection frame 12 from above. I have.

On the other hand, the fence portion 6 is provided with a pair of second links 1.
The main frame 14 is a straight main frame member having a dimension longer than the interval between the main pipes 14. , A vertical frame member 15 to be fixed to the second link 11. Further, a sub-pipe 16 having a diameter smaller than the diameter of the main pipe 14 is provided in parallel with the main pipe 14. Further, the main pipe 14 is integrally provided with a fence pipe 17 which is a fence frame member substantially constituting a fence portion. The length and height of the fence pipe 17 are appropriate. Further, between the main pipe 14 and the vertical frame members 15 near both ends of the main pipe 14, an end fence frame member having a shape obtained by cutting the fence pipe 17 in the middle, that is, the end fence pipe 1
8 are provided. The end of the main pipe 14 that constitutes the fence 6 protrudes in the longitudinal direction as an open end, and the end fence pipe 18 is also parallel to the end of the main pipe 14 with the end as the open end. (See FIGS. 3 and 5).

[0008] The vertical frame member 15 of the fence 6 is provided with the front ends of the first and second links 10 and 11 constituting the support 5 as described above so as to be rotatable by support pins 19 and 20, respectively. While being connected, a stopper lever 21 constituting the stopper mechanism 7 is attached. The stopper lever 21 is swingably attached to the vertical frame member 15 at a mounting position of the support pin 19 for mounting the first link 10 from the opposite side by a screw 22 via an intermediate portion. That is, the stopper lever 21 is bent about 15 ° so as to be able to swing around an intermediate portion attached by a screw 22, and an operation lever 8 for swingingly displacing the stopper lever 21 is attached to one end side. ing. Then, a stopper pin 23 is attached to the other end of the stopper lever 21, and the stopper pin 23 is inserted into a guide pipe 24 formed through the vertical frame member 15, and is moved toward the first link 10 by a coil spring 25. It is urged to protrude. On the other hand, a stopper pin receiver 26 is provided on the first link 10 so that the stopper pin 23 is fitted by the urging force of the coil spring 25. That is, the first link 10 and the second link 11 that constitute the column 5 are restrained by fitting the stopper pin 23 to the stopper pin receiver 26 on the first link 10 side by the urging force of the coil spring 25. The fence 6 is held. Further, the stopper pin 23 is displaced from the stopper pin receiver 26 on the first link 10 side against the urging force of the coil spring 25 by displacing the stopper lever 21 by the operation lever 8, and the stopper section 23 and the fence section 6 are disengaged. 1 link 1
0 or the restrained state with the second link 11 is released.

The vertical frame member 1 at the end of the fence 6
5, a cover member 9 that covers the open ends of the main pipe 14 and the end fence pipe 18 and the operation lever 8 of the stopper mechanism 7 in an operable state as described above includes, for example, a blower. A hollow molded body formed by molding, which completely accommodates the open ends of the main pipe 14 and the end fence pipe 18, and has window portions 27 and 28 so that the operation lever 8 can be gripped and operated; The edge of the lower window 28 is cut out to expose the operation lever 8 obliquely downward. The cover member 9 is
The shape of the lower side of the figure is such that when the fence is lowered from the state in which the fence 6 is held above the bottom to the bottom of the bottom, it can be easily opened even by sandwiching a futon on a mattress. It has a large external shape.

The up / down fence of the bed or the like according to the present invention is constructed as described above. Next, the operation of the up / down fence 4 will be described. First, the main pipe 14 or the fence pipe 17 in the fence 6 is grasped and lifted from the state where the fence 6 is stored below the bottom 3. Then, the first and second links 10 and 11 constituting the support 5 perform a parallel link operation, and can bring the fence 6 to the highest position. When the fence 6 is lifted to the highest position, the first and second links 10 and 11 respectively stand up, and the stopper provided on the stopper lever 21 of the stopper mechanism 7 on the side of the vertical frame member 15 in the fence 6. When the stopper pin receiver 26 on the first link 10 side comes close to the pin 23 and brings the fence 6 to the highest position, the stopper pin 23 is biased by the coil spring 25 so that the stopper pin 23 on the first link 10 side Stopper pin receiver 2
6, the first link 10 and the second link 11 constituting the support 5 are restrained, and the fence 6 can be held (see FIGS. 3 and 7). As described above, when the fence 6 is held at the highest position, the main pipe 14 and the fence pipe 17 constituting the fence 6 can cover the side of the bed from the shoulder to the foot of the patient, so that almost the entire surface can be covered. The function as a fence can be exhibited (see FIG. 6).

Next, when the fence 6 is lowered below the bottom 3, the windows 27 and 28 of the cover member 9 are used.
The operation lever 8 exposed obliquely downward is squeezed and the stopper pin 23 is moved by the operation lever 8 to the stopper lever 21.
Is disengaged from the stopper pin receiver 26 on the first link 10 side against the urging force of the coil spring 25, and the restrained state between the fence 6 and the first link 10 or the second link 11 is released. To do it. In addition, fence part 6
Since the cover members 9 provided at both ends of the fence portion 6 have a relatively large outer shape, the cover members 9 can be easily opened even when sandwiching a futon on a mattress. As described above, the fence portion 6 can be held on the bottom 3 as necessary,
Since it can be stored below, it can be said that it is an easy-to-use elevating side fence 4.

By the way, the open ends of the main pipe 14 and the end fence pipe 18 at both ends of the fence 6 are completely housed in the cover member 9, so that the appearance is satisfactory. Has a structure in which the edge of the window 28 on the lower side of the cover member 9 is cut out and is exposed obliquely downward (see FIG. 3).
At most, devices and equipment around the bed only come into contact with the outer periphery of the cover member 9 to avoid a situation in which the operation lever 8 is unexpectedly operated and released.

[0013]

As described above, according to the present invention, the side surface of a bed or the like to be mounted can be covered almost entirely, so that the function as a whole fence can be exhibited and the operability can be improved. It can be said that it is a perfect side fence.
Moreover, since the main frame member constituting the fence and the open ends of the end fence frame members can be completely accommodated at both ends of the fence,
It looks good. Further, the operation lever of the stopper mechanism for holding the fence portion is partially exposed from the cover member, so that the release state of the operation lever due to force majeure can be avoided, and the side fence of high safety can be avoided. It can also be said that.

[0014]

[Brief description of the drawings]

FIG. 1 is an external perspective view showing one embodiment of a bed to which a vertically movable side fence according to the present invention is applied.

FIG. 2 is a configuration explanatory view showing an example of an elevating side fence applied to the bed shown in FIG. 1;

FIG. 3 is an enlarged sectional explanatory view of a fence end side of the elevating type side fence shown in FIG. 2;

FIG. 4 is an exploded perspective view of a vertically movable side fence applied to the bed shown in FIG. 1;

FIG. 5 is an enlarged exploded perspective view of a fence end side of the elevating side fence shown in FIG. 4;

FIG. 6 is an explanatory side view of the bed for explaining the elevating operation of the elevating side fence according to the present invention.

FIG. 7 is another side explanatory view of the bed for explaining the elevating operation of the elevating type side fence according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Bed 2 Base frame 3 Bottom 4 Elevating type side fence 5 Prop part 6 Fence part 7 Stopper mechanism 8 Operation lever 9 Cover member 10 First link 11 Second link 12 Connection frame 13 Bumper member 14 Main pipe 15 Vertical frame member 16 Sub pipe 17 fence pipe 18 end fence pipe 19, 20 support pin 21 stopper lever 22 screw 23 stopper pin 24 guide pipe 25 coil spring 26 stopper pin receiver 27, 28 window

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[Procedure amendment]

[Submission date] July 22, 1999 (July 7, 1999
2)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0004

[Correction method] Change

[Correction contents]

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to an elevating type side fence in a bed or the like, a column provided so as to protrude from a bottom lower portion to a bottom side upper portion, and a column portion. Yes and fence portion provided rotatably
And, by constraining the fence and the support portion, and a stopper mechanism which is adapted to hold the fence in the bottom side upwards, before
The strut portion is a first link and a second link that perform a parallel link operation.
And the stopper mechanism is arranged such that the middle portion is located on the side of the fence.
Stopper lever that is attached to
Attach to one end of the upper lever and swing the stopper lever
An operation lever for displacing the stopper lever;
Attach a stopper pin to the other end of the bar
Papin is moved to the first or second link side by spring force.
The first and the second are fitted by fitting the stopper pin receiver provided.
Holds the fence above the bottom side by restraining between links
And a stopper mechanism at the end of the fence.
And a part of the operating lever
Provide a cover member formed to expose the
Squeezing the exposed operation lever via the bar member
The cover member is provided with a window as much as possible.

Claims (2)

[Claims] 1. A lifting and lowering type side fence of a bed or the like, a column portion provided on a frame supporting the bottom so as to be protrudable from below the bottom to above the bottom side surface, and a fence portion rotatably attached to the column portion. A stopper mechanism for holding the fence part above the bottom side surface by restraining the fence part and the support part, and operating the operation lever for operating this stopper mechanism by an external force from a direction other than the operation direction. A lifting / lowering type side fence in a bed or the like, wherein the side wall is covered by a cover member so as not to be added. 2. The method according to claim 1, wherein the support has a first link and a second link that perform a parallel link operation, and the fence is rotatably attached to a tip of the first link and the second link. Is provided in the vicinity of attachment of the first link and the second link to the fence, by engaging a restraining shaft from the fence side to the first link or the second link side by urging means, And the first link or the second link is restrained, and the restraining shaft is disengaged from the first link or the second link side by the operating lever against the biasing force of the biasing means. And the first link or the second link is released from the restrained state. The fence is orthogonal to the straight main frame member near both ends of the main frame member, and the first link is provided at the distal end side. Or a vertical frame member that is fixed to the second link A fence frame member protrudes from the main frame member, and an end fence frame member is provided between the main frame member and the vertical frame members near both ends of the main frame member, and these main frame members or A direction in which the end of the end fence frame member is made to protrude in the longitudinal direction with an open end to cover the open end of the main frame member or the end fence frame member with a cover member, and the operation lever is operated in the direction of operation. 2. The up-and-down type side fence in a bed or the like according to claim 1, wherein the cover is covered by a cover member so as to prevent external force from being applied.