JP4559674B2 - Bed equipment - Google Patents

Description

[0001]
BACKGROUND 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]
[Prior art]
Generally, a bed apparatus has a bed frame, and a floor plate body is provided on the bed frame, and a mattress is placed on the floor plate body. The user lies on the mattress.
[0003]
When the bed apparatus is used 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, catching the user when he / she stands up, or falling off the bedding on the user.
[0004]
On the other hand, when the user gets off the mattress or receives a doctor's examination or caregiver's care, the side fence becomes an obstacle, and in such a case, the user removes it from the bed frame.
[0005]
[Problems to be solved by the invention]
Conventionally, in order to detachably attach the side fence to the side of the bed frame, a pair of legs is provided on the side fence, while a holding member is provided on the side of the bed frame, and the leg is provided on the holding member. An insertion hole is formed in which the lower end of is inserted. The side fence is detachably provided on the side portion of the bed frame by inserting the leg portion into the insertion hole.
[0006]
However, if the side rail is simply inserted into the insertion hole of the holding member and the side rail is detachably provided, if an inadvertent force is applied to the side fence, the lower end of the leg will be There was a risk that the side fence would come off through the insertion hole.
[0007]
When the side fence is provided on the side of the bed frame, the present invention not only inserts the leg of the side fence into the insertion hole of the holding member but also prevents the inserted leg from coming out of the insertion hole. An object of the present invention is to provide a bed apparatus that can be used.
[0008]
[Means for Solving the Problems]
The invention of claim 1 includes a bed frame,
A holding member having an insertion hole provided in a side portion of the bed frame;
A locking member is provided in the middle part of the pair of legs and legs, and a side fence provided detachably on the side of the bed frame by inserting the lower end of the legs into the insertion hole,
A connecting member provided with a first attachment portion and a second attachment portion, and engaging the first attachment portion with the locking member;
An intermediate portion and a pair of side portions provided at both ends of the intermediate portion and having engaging portions formed at the lower ends thereof are integrally formed by a wire rod having elasticity, and the intermediate portion is a second attachment portion of the connecting member. The pair of side sides are elastically deformed and the lower end engaging portion is engaged with the lower surface of the holding member, so that the leg portion of the side fence is removed from the insertion hole of the holding member. in bed apparatus characterized by comprising an exit and stopper plate member to prevent the output.
[0009]
In the invention of claim 2, the lower end portion of the leg portion of the side fence inserted into the insertion hole of the holding member protrudes to the lower surface side of the holding member,
2. The bed apparatus according to claim 1, wherein the engaging portion of the retaining member is engaged with a lower end portion of the leg portion protruding from the insertion hole on the lower surface of the holding member.
[0010]
The invention according to claim 3 is the bed apparatus according to claim 1 or 2, wherein the engaging portion of the retainer is formed by bending a wire in an annular shape.
[0011]
According to a fourth aspect of the present invention, in the bed apparatus according to any one of the first to third aspects, the connecting member has a length extending over the entire length of the intermediate portion of the retaining member.
[0012]
According to this invention, when the leg portion 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 disconnection connected to the locking member of the side fence via the connecting member. By engaging the engaging portion of the stopper with the lower surface of the holding member, the side fence can be held by the holding 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]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described below with reference to the drawings.
[0014]
FIG. 1 is a side view of a bed apparatus, which includes a base frame 1. The base frame 1 is formed in a rectangular frame shape, and casters 2 with stoppers (only two are shown) are provided on the lower surfaces of the four corners.
[0015]
At the four corners of the base frame 1, mounting members 3 (only two are shown) are erected. One end of an upper / lower 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 can be rotated to a pair of first mounting portions 6 a provided on the lower surface of one end portion 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 are rotatably connected to a second mounting portion 6b provided on the lower surface of the other end portion of the bed frame 5. .
[0016]
Each of the vertical arms 4 is rotationally driven in the direction of the arrow by the vertical drive mechanism 10. Thereby, the bed frame 5 is driven in the upward direction on the base frame 1.
[0017]
A headboard frame 7 is provided at one end of the bed frame 5 in the longitudinal direction, and a footboard frame 8 is provided at the other end. A floor plate body 11 is provided on the bed frame 5. The floor plate body 11 is divided into first to fourth floor portions 12a to 12d. The floor portions 12 a to 12 d are connected to each other so as to be rotatable, and the third floor portion 12 c that is the third surface from the headboard frame 7 side is fixed to the bed frame 5.
[0018]
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) that is driven to rotate. The first and second floor portions 12 a and 12 b are driven up and down by a back raising arm of the back raising mechanism 13.
[0019]
A mattress (not shown in FIG. 1) is placed on the upper surface of the floor plate body 11, and a user lies on the mattress.
[0020]
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 is provided with an insertion hole 16 penetrating in the thickness direction. And the side fence 18 is detachably attached to the side part of the bed frame 5 by inserting the lower ends of the pair of legs 17 into the insertion holes 16 of the pair of holding members 15.
[0021]
As shown in FIG. 2, the side fence 18 has a frame-like member 21 whose upper side is formed on a handle portion 19 for a user to hold or put a hand on. The leg portions 17 are provided at the same interval as the holding member 15, and the lower end portion protrudes downward from the lower side of the frame-shaped member 21.
[0022]
As shown in FIG. 3, the outer dimensions of the portion excluding the lower ends of the pair of legs 17 are set larger than the inner diameter of the insertion hole 16 of the holding member 15, and the lower ends of the legs 17 are The outer dimension is formed in the insertion portion 17 a slightly smaller than the inner diameter dimension of the insertion hole 16. The length of the insertion portion 17 a is set so that the lower end slightly protrudes from the insertion hole 16 when the insertion portion 17 a is inserted into the insertion hole 16.
[0023]
A hook-shaped locking member 22 is installed in the middle of the pair of leg portions 17 protruding from the frame-shaped portion 21. The locking member 22 is provided with a stopper 23 for preventing the side fence 18 from falling off the holding member 15 via a connecting member 31.
[0024]
As shown in FIG. 4 (a), the retainer 23 is bent at an angle of approximately 90 degrees between the intermediate portion 24 and both ends of the intermediate portion 24 by a wire material having a predetermined thickness having elasticity, for example, a steel wire. It has a pair of side part 25 formed. At the end of each side portion 25, an engagement portion 26 formed by bending a wire rod in an annular shape is formed outward. The intermediate portion 24 is set to have substantially the same length as the distance between the pair of leg portions 17 of the side fence 18.
[0025]
As indicated by L in FIG. 2, the dimension between the outer ends of the pair of engaging portions 26 and the dimension between the outer side surfaces of the pair of holding members 15 are set to be substantially the same.
[0026]
As shown in FIGS. 3 and 4B, the connecting member 31 is formed into a hollow C-shaped cross section as shown in FIGS. 3 and 4B, and a first mounting groove 32 is formed at one end in the height direction in the hollow portion. A second mounting groove 33 is formed at the other end. The length dimension 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 shapes of the mounting grooves 32 and 33 are formed in an arc shape that is substantially the same as or slightly smaller than the outer dimensions of the wire members of the locking member 22 and the retaining member 23.
[0027]
In order to hold the side fence 18 so as not to fall out of the holding member 15, that is, the bed frame 5, by the stopper 23, the first mounting groove 32 of the connecting member 31 is engaged with the locking member 22 of the side fence 18. Combine. In this state, the connecting member 31 is pivotably attached to the locking member 22.
[0028]
Next, the intermediate portion 24 of the retainer 23 is engaged with the second mounting groove 33 of the connecting member 31. The retainer 23 is also rotatably attached to the connecting member 31.
[0029]
Thus, if the retainer 23 is attached to the side fence 18 via the connecting member 31, the insertion portion 17 a formed at the lower end of the leg portion 17 of the side fence 18 is inserted into the insertion hole of the holding member 15. 16 is inserted. At this time, the stopper 23 is in a state where the engaging portion 26 hits the tip of the holding member 15.
[0030]
Next, the pair of side portions 25 of the retainer 23 are elastically deformed inward in the width direction as indicated by a chain line in FIG. 2, and the retainer 23 is held in this state as indicated by an arrow in FIG. Rotate in the direction of the member 15. 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 portions 25 Release elastic deformation.
[0031]
Accordingly, the engaging portion 26 at the lower end of the side portion 22 is engaged with the lower surface of the holding member 15, and the retaining member 23 is rotated forward by the insertion portion 17 a protruding from the lower surface, whereby the engaging portion. 26 is prevented from coming off the lower surface of the holding member 15, the engagement state between the engaging portion 26 and the holding member 15 is reliably maintained.
[0032]
Thus, by engaging the engaging portion 26 of the retainer 23 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. Therefore, even if an inadvertent external force is applied to the side rail 18, the side rail 18 does not come off the bed frame 5.
[0033]
When removing the side fence 18 from the bed frame 5, the pair of side portions 25 are elastically deformed inward, and the engagement portion 26 is removed from the lower surface of the holding member 15, contrary to the attachment. If the stopper 23 is rotated in the direction away from the bed frame 5, the engaging portion 26 is removed from the lower surface of the holding member 15, and the elastic deformation of the pair of side portions 25 is released in this state. Good.
[0034]
That is, since the pair of side portions 25 of the retaining member 23 can be attached to or detached from the bed frame 5 of the side fence 18 simply by elastic deformation, the side fence 18 can be attached or detached. It can be done easily and quickly.
[0035]
Since the engaging part 26 at the lower end of the side part 15 of the retaining member 23 is formed in an annular shape, a pair of side parts 25 are provided to engage the engaging part 26 with the lower surface of the holding member 15. When elastically deforming inward, a finger can be put into the annular engaging portion 26.
Therefore, the pair of side portions 25 can be easily elastically deformed. And since the lower end of the side part 25 is cyclic | annular, it becomes difficult to catch clothes, fingers, etc., and it can improve safety | security.
[0036]
Since the connecting member 31 has a length that covers the entire length of the intermediate portion 24 of the stopper 23, the intermediate portion 24 is reinforced by the connecting member 31. For this reason, when the pair of side portions 25 are elastically deformed inward, the intermediate portion 24 is prevented from being bent by the stress, so that the engaging portion 26 of the retaining member 23 is attached to the holding member 15. The operation of engaging with the lower surface can be performed reliably and easily.
[0037]
The retainer 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 is not lost, and the retainer 23 Management becomes easy.
[0038]
In the above-described embodiment, the engagement state is maintained by engaging the engagement portion 26 of the retainer 23 with the insertion portion 17a of the leg portion 17 protruding from the lower surface of the holding member 15. When the insertion portion 17a does not protrude from the lower surface of the holding member 15, a protrusion may be provided on the lower surface of the holding member 15 to maintain the engagement state of the engagement portion 26.
[0039]
In addition, in a state where the engaging portion 26 is engaged with the lower surface of the holding member 15, the retaining member 23 rotates and the holding member does not come off from the lower surface of the holding member 15. Even if the leg portion does not protrude from the lower surface of 15, the engagement state can be reliably maintained.
[0040]
【The invention's effect】
As described above, according to the present invention, when the leg portion 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 interposed via the connecting member. By elastically engaging the engaging part of the connected retaining member to the lower surface of the holding member, the side fence is held by the retaining member by the retaining member, and the leg part of the side fence comes out of the insertion hole. I was able to prevent.
[0041]
Therefore, the side fence can be reliably held with a simple configuration without being detached from the bed frame. Moreover, since the retainer is elastically engaged with the holding member, the side fence can be held on the bed frame, and the operation of releasing the holding state can be easily performed.
[Brief description of the 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 a bed frame.
FIG. 3 is an enlarged sectional view of a portion attached to a holding member of a leg portion.
4A is a front view showing a retainer, and FIG. 4B is a side view.
[Explanation of symbols]
5 ... Bed frame 15 ... Holding member 16 ... Insertion hole 17 ... Leg part 18 ... Side fence 23 ... Retaining stopper 24 ... Intermediate part 25 ... Side part 26 ... Engagement part 31 ... Connecting member 32 ... First attachment Part 33 ... second attachment part

Claims (4)

A bed frame,
A holding member having an insertion hole provided in a side portion of the bed frame;
A locking member is provided in the middle part of the pair of legs and legs, and a side fence provided detachably on the side of the bed frame by inserting the lower end of the legs into the insertion hole,
A connecting member provided with a first attachment portion and a second attachment portion, and engaging the first attachment portion with the locking member;
An intermediate portion and a pair of side portions provided at both ends of the intermediate portion and having engaging portions formed at the lower ends thereof are integrally formed by a wire rod having elasticity, and the intermediate portion is a second attachment portion of the connecting member. The pair of side sides are elastically deformed and the lower end engaging portion is engaged with the lower surface of the holding member, so that the leg portion of the side fence is removed from the insertion hole of the holding member. bed and wherein the provided with the omission and stopper plate member to prevent the output. The lower end of the leg portion of the side fence inserted into the insertion hole of the holding member protrudes to the lower surface side of the holding member,
The bed apparatus according to claim 1, wherein the engaging portion of the retaining member is engaged with a lower end portion of the leg portion protruding from the insertion hole on the lower surface of the holding member. The bed apparatus according to claim 1 or 2, wherein the engaging portion of the retainer is formed by bending a wire into an annular shape. The bed device according to any one of claims 1 to 3, wherein the connecting member has a length over the entire length of the intermediate portion of the retaining member.

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