JP2003088559A - Bed device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bed device capable of preventing the careless slippage of a side fence attachably and detachably mounted on the side part of a bed frame. SOLUTION: This bed device comprises a holding member 15 having insert holes provided on the side part of the bed frame 5; the side fence 18 attachably and detachably provided on the side part of the bed frame by inserting the lower end part of a pair of leg parts 17 to the insert holes; a connecting member 31 comprising a first mounting part and a second mounting part, the first mounting part being engaged with a locking member 22 provided on the side fence; and a slippage preventing tool 23 comprising an intermediate part 24 and a pair of side edge parts 25 provided on both end parts of the intermediate part having an engagement part 26 formed at the lower end, which are integrally formed of an elastic wire rod. The slippage preventing tool 23 prevents the leg parts of the fence from being dropped out from the insert holes of the holding member by engaging the intermediate part with the second mounting part of the connecting member, and elastically deforming the side edge parts to elastically engage the engagement part at the lower end with the lower surface of the holding member.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bed apparatus in which a side fence is detachably provided on a side portion of a bed frame.

[0002]

2. Description of the Related Art Generally, a bed apparatus has a bed frame, a floor plate is provided on the bed frame, and a mattress is placed on the floor plate. The user lies on the mattress.

When the bed apparatus is for a hospital or the like, a side fence is detachably provided on a side portion of the bed frame in a predetermined range of the side portion. This side fence is used for various purposes, such as preventing the user from raising his / her upper body on the mattress, being caught when standing up, or preventing the bedding worn by the user from slipping off.

On the other hand, when the user gets off the mattress, receives a medical examination from a doctor, or receives nursing care from a caregiver, the side fence becomes an obstacle. In such a case, the side fence should be removed from the bed frame. There is.

[0005]

Conventionally, in order to detachably install the side fence on the side portion of the bed frame, a pair of legs are provided on the side fence, while a holding member is provided on the side portion of the bed frame. The holding member is provided with an insertion hole into which the lower end of the leg is inserted. Then, the side fence is detachably provided on the side portion of the bed frame by inserting the leg portion into the insertion hole.

However, if the side fences are simply inserted into the insertion holes of the holding member so that the side fences are detachably provided, if an inadvertent force is applied to the side fences, the leg parts of the side fences will be damaged. There was a risk that the lower end would come out of the insertion hole and the side fence would come off.

According to the present invention, when the side fence is provided on the side portion of the bed frame, not only the leg portion of the side fence is inserted into the insertion hole of the holding member, but also the inserted leg portion is pulled out from the insertion hole. The object is to provide a bed apparatus capable of preventing the above.

[0008]

According to a first aspect of the present invention, there is provided a bed frame, a holding member having an insertion hole provided on a side portion of the bed frame, a pair of legs and a middle portion of the legs. A side fence provided with a locking member and detachably provided on a side portion of the bed frame by inserting a lower end portion of the leg portion into the insertion hole, and a first mounting portion and a second mounting portion. And a connecting member provided by engaging the first mounting portion with the locking member, and a pair of intermediate portions and engaging portions formed at both ends of the intermediate portion at lower ends thereof. The side portions are integrally formed of a wire rod having elasticity, the intermediate portion is engaged with the second mounting portion of the connecting member, and the pair of side portions are elastically deformed to engage the engaging portions at the lower ends thereof. By elastically engaging the lower surface of the holding member, the leg portion of the side fence holds the holding member. In bed apparatus characterized by comprising a stopper prevention member prevents the that withdrawn from the insertion hole of the wood.

According to a second aspect of the present invention, the lower end portion of the leg portion of the side fence inserted into the insertion hole of the holding member projects toward the lower surface side of the holding member, and the engaging portion of the retaining member is the above-mentioned. The bed apparatus according to claim 1, wherein the lower surface of the holding member is engaged with a lower end portion of the leg portion protruding from the insertion hole.

A third aspect of the present invention is the bed apparatus according to the first or second aspect, wherein the engagement portion of the retaining member is formed by bending a wire rod in an annular shape.

The invention according to claim 4 is characterized in that the connecting member is formed to have substantially the same length dimension as the intermediate portion of the retaining member. It is in.

According to the present invention, when the leg portion of the side fence is inserted into the insertion hole of the holding member to provide the side fence on the bed frame, the side fence is connected to the locking member via the connecting member. By engaging the engaging portion of the retaining device with the lower surface of the holding member, the side fence can be held by the retaining member by the retaining member, so that the leg portion of the side fence can be prevented from coming out of the insertion hole. .

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a side view of a bed apparatus, which is equipped with a base frame 1. The base frame 1 is formed in a rectangular frame shape, and casters 2 (only two are shown) with stoppers are provided on the lower surfaces of the four corners thereof.

Mounting members 3 (only two are shown) are provided upright at the four corners of the base frame 1. One end of a vertical arm 4 is rotatably connected to the upper end of each mounting member 3. The other ends of the pair of upper and lower arms 4 provided on one end side in the longitudinal direction of the base frame 1 are rotatable to a pair of first mounting portions 6a provided on the lower surface of one end of the rectangular frame-shaped bed frame 5. The other ends of the pair of upper and lower arms 4 provided on the other end side of the bed frame 5 are rotatably connected to a second mounting portion 6b provided on the lower surface of the other end of the bed frame 5. .

Each of the vertical arms 4 is a vertical drive mechanism 1.
It is designed to be driven to rotate in the arrow direction by 0. As a result, the bed frame 5 is driven on the base frame 1 in the ascending direction.

A headboard frame 7 is provided at one longitudinal end of the bed frame 5, and a footboard frame 8 is provided at the other end. A floor board 11 is provided on the bed frame 5. The floor board 11 is divided into first to fourth floor portions 12a to 12d. Each floor 12
a to 12d are rotatably connected to each other, and the third floor portion 12c on the third surface from the headboard frame 7 side.
Is fixed to the bed frame 5.

A back raising mechanism 13 is provided on the lower surface of the bed frame 5. The back-raising mechanism 13 has a back-raising arm (not shown) driven to rotate. The first and second floor portions 12a and 12b are driven up and down by a back raising arm of the back raising mechanism 13.

A mattress (not shown in FIG. 1) is placed on the upper surface of the floor plate 11, and the user lies on the mattress.

A plurality of holding members 15 are provided at equal intervals in the longitudinal direction on both sides (only one side is shown) of the bed frame 5. As shown in FIG. 3, each holding member 15 has an insertion hole 16 penetrating in the thickness direction. Then, the lower ends of the pair of legs 17 are inserted into the insertion holes 16 of the pair of holding members 15 on the side portions of the bed frame 5 so that the side fence 1
8 is detachably attached.

As shown in FIG. 2, the side fence 18 has a frame-shaped member 21 whose upper side is formed in a hand-holding portion 19 for the user to grip or put a hand on. Is a pair of the leg portions 17 at the same interval as the holding member 15,
Moreover, the lower end portion is provided so as to project downward from the lower side of the frame-shaped member 21.

As shown in FIG. 3, the outer dimensions of the pair of leg portions 17 excluding the lower end portions are set to be larger than the inner diameter dimension of the insertion hole 16 of the holding member 15, and the lower end portions of the leg portions 17 are set. The portion is formed in the insertion portion 17a whose outer dimension is slightly smaller than the inner diameter dimension of the insertion hole 16. The length of the insertion portion 17a is the same as that of the insertion portion 17a.
It is set so that the lower end thereof slightly protrudes from the insertion hole 16 when it is inserted into the connector 6.

A rod-shaped locking member 22 is provided on a middle portion of the pair of legs 17 projecting from the frame-shaped portion 21.
The locking member 22 is provided with a retainer 23 for preventing the side fence 18 from falling off the holding member 15 via a connecting member 31.

As shown in FIG. 4A, the retaining member 23 is made of an elastic wire material having a predetermined thickness, for example, a steel wire, and an intermediate portion 24, and both ends of the intermediate portion 24 have an angle of about 90 degrees. It has a pair of side portions 25 bent and formed. An engaging portion 26 formed by bending a wire rod in an annular shape is provided at the end of each side portion 25.
Are formed toward the outside. The intermediate portion 24 is set to have substantially the same length dimension as the distance between the pair of leg portions 17 of the side fence 18.

As shown by L in FIG. 2, a pair of engaging portions 26
The dimension between the outer ends of the pair and the dimension between the outer side surfaces of the pair of holding members 15 are set to be substantially the same.

The connecting member 31 is made of synthetic resin as shown in FIG.
As shown in FIG. 4B, a C-shaped cross section is formed into a hollow. A first mounting groove 32 is formed at one end in the height direction and a second mounting groove 32 is formed at the other end in the hollow. A mounting groove 33 is formed. The length of the connecting member 31 is set to be substantially the same as that of the intermediate portion 24 of the retaining member 23. The cross-sectional shape of each of the mounting grooves 32 and 33 is formed in an arc shape that is substantially the same as or slightly smaller than the outer dimensions of the wire material of the locking member 22 and the retaining member 23.

In order to hold the side fence 18 by the retainer 23 so as not to fall out of the holding member 15, that is, the bed frame 5, the locking member 22 of the side fence 18 is attached to the first mounting groove of the connecting member 31. 32 is engaged. In this state, the connecting member 31 is rotatably attached to the locking member 22.

Next, the intermediate portion 24 of the retaining member 23 is engaged with the second mounting groove 33 of the connecting member 31. The retaining member 23 is also rotatably attached to the connecting member 31.

In this way, when the retaining device 23 is attached to the side fence 18 via the connecting member 31, the insertion portion 17a formed at the lower end of the leg portion 17 of the side fence 18 is held by the holding member 15.
Insert into the insertion hole 16 of. At this time, the retaining member 23 is in a state in which the engaging portion 26 is in contact with the tip of the holding member 15.

Next, the pair of side portions 2 of the retainer 23
2 is elastically deformed inward in the width direction as shown by a chain line in FIG. 2, and in that state, the retaining member 23 is rotated toward the holding member 15 as shown by an arrow in FIG. If the engaging portion 26 formed at the lower end of the side portion 22 enters inward from the insertion portion 17a of the leg portion 17 protruding from the lower end surface of the holding member 15, the pair of side portion 25 Release elastic deformation.

As a result, the engaging portion 26 at the lower end of the side portion 22 engages with the lower surface of the holding member 15, and the retaining member 23 pivots forward by the inserting portion 17a protruding from the lower surface thereof. Since the engagement portion 26 is prevented from coming off the lower surface of the holding member 15, the engagement state between the engagement portion 26 and the holding member 15 is reliably maintained.

As described above, the engaging portion 26 of the retaining member 23
By engaging with the lower surface of the holding member 15, the leg portion 17 of the side fence 18 is prevented from being pulled out from the insertion hole 16 of the holding member 15, so that an unexpected external force is applied to the side fence 18. Even if added, the side fence 18 does not come off from the bed frame 5.

When the side fence 18 is removed from the bed frame 5, the pair of side portions 25 is elastically deformed inward, and the engaging portion 26 is removed from the lower surface of the holding member 15, as opposed to the time of attachment. Then, the stopper 23 is rotated in the direction in which the lower end portion is separated from the bed frame 5, the engaging portion 26 is disengaged from the lower surface of the holding member 15, and in that state, the pair of side portions 2
The elastic deformation of 5 should be released.

That is, since the pair of side edges 25 of the retaining member 23 can be elastically deformed to be attached to or removed from the bed frame 5 of the side fence 18 without being pulled out, the side fence 18 can be removed. The attachment / detachment operation can be performed easily and quickly.

Since the engaging portion 26 at the lower end of the side portion 15 of the retaining member 23 is formed in an annular shape, a pair of side portions is formed to engage the engaging portion 26 with the lower surface of the holding member 15. When the part 25 is elastically deformed inward, the annular engaging part 26 is formed.
You can put your finger in. Therefore, the pair of side portions 2
5 can be easily elastically deformed. Moreover, since the lower end of the side portion 25 has an annular shape, it is difficult for clothes, fingers, and the like to be caught, and safety can be improved.

The connecting member 31 is the intermediate portion 2 of the retaining member 23.
Since it has a length dimension that extends over the entire length of 4, the intermediate portion 24
Are reinforced by the connecting member 31. Therefore, when the pair of side portions 25 is elastically deformed inward, the intermediate portion 24 is prevented from being bent due to the stress, so that the engaging portion 26 of the retainer 23 is retained in the holding member 15. The work of engaging the lower surface can be performed reliably and easily.

The retaining member 23 is attached to the side fence 18 via a connecting member 31. Therefore, even when the side fence 18 is removed from the bed frame 5, the retainer 23 is integrated with the side fence 18, so that the retainer 23 will not be lost and the retainer 23 will not be lost. Easy to manage.

In the above-described embodiment, the leg portion 17 in which the engaging portion 26 of the retaining member 23 is projected from the lower surface of the holding member 15.
The engagement state is maintained by engaging the insertion portion 17a of the insertion member 17a with the insertion portion 17a from the lower surface of the holding member 15.
If the protrusion does not protrude, a protrusion may be provided on the lower surface of the holding member 15 to maintain the engagement state of the engagement portion 26.

Further, with the engaging portion 26 engaged with the lower surface of the holding member 15, the retaining member 23 is rotated to rotate the engaging portion 2
When 6 does not disengage from the lower surface of the holding member 15, the engaged state can be reliably maintained even if the leg portion does not project from the lower surface of the holding member 15.

[0040]

As described above, according to the present invention, when the leg of the side fence is inserted into the insertion hole of the holding member and the side fence is provided on the bed frame, the locking member of the side fence is provided. By elastically engaging the engaging portion of the retaining member connected via the connecting member with the lower surface of the holding member, the side fence is held by the retaining member by the retaining member, and the leg portion of the side fence is inserted. Made it possible to prevent it from coming out of the insertion hole.

Therefore, it is possible to securely hold the side fences without coming off from the bed frame with a simple structure.
Moreover, since the retainer is elastically engaged with the holding member, it is possible to easily hold the side fence on the bed frame and release the held state.

[Brief description of drawings]

FIG. 1 is a side view of a bed apparatus showing an embodiment of the present invention.

FIG. 2 is an enlarged side view of a side fence portion attached to the bed frame.

FIG. 3 is an enlarged cross-sectional view of a portion of the leg portion attached to a holding member.

FIG. 4A is a front view showing the retainer, and FIG. 4B is a side view.

[Explanation of symbols]

5 ... Bed frame 15 ... Holding member 16 ... insertion hole 17 ... Legs 18 ... Side fence 23 ... retaining device 24 ... Middle part 25 ... Side part 26 ... Engagement part 31 ... Connecting member 32 ... First mounting portion 33 ... Second mounting portion

Claims (4)

[Claims] 1. A bed frame, a holding member having an insertion hole provided on a side portion of the bed frame, a pair of legs and a locking member provided at an intermediate portion of the legs, A side fence detachably provided on a side portion of the bed frame by inserting a lower end portion into the insertion hole, a first attachment portion and a second attachment portion are provided.
The connecting member provided by engaging the attachment portion of the above with the locking member, and the pair of side portions provided at the intermediate portion and both ends of the intermediate portion and having the engaging portions at the lower ends have elasticity. A wire rod provided integrally with the connecting member, the intermediate portion is engaged with the second mounting portion of the connecting member, and the pair of side portions are elastically deformed to engage the lower end engaging portion with the lower surface of the holding member. A bed device comprising: a stopper for preventing the leg portion of the side fence from being pulled out from the insertion hole of the holding member when combined. 2. The lower end portion of the leg portion of the side fence inserted into the insertion hole of the holding member projects to the lower surface side of the holding member, and the engaging portion of the retaining member is the lower surface of the holding member. The bed apparatus according to claim 1, wherein the bed apparatus is engaged with a lower end portion of the leg portion protruding from the insertion hole. 3. The bed apparatus according to claim 1, wherein the engagement portion of the retaining member is formed by bending a wire rod in an annular shape. 4. The bed apparatus according to claim 1, wherein the connecting member is formed to have substantially the same length dimension as an intermediate portion of the retaining member.