JP2002000410A - Bed rotative component for foldaway baby bed - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide simplified assembly work, improve durability as well as reduce costs to a rotative component of a foldaway baby bed installed in the upward posture on the wall of a public washing room and folded out horizon tally when used for changing diaper. SOLUTION: An energizing means 5 is connectingly installed between the bed 3 and a mountable arm 4 mountable on the wall W and which is attached to the back end 3a of the bed 3, to energize the mountable arm 4 in the horizontal posture against the bed 3. This energizing device 5 is composed of an acceptor 3h of the back end 3a, a foldable body 5a that is press-contacted freely foldably onto the receptor 3h, a guiding tube 5b of the mountable arm 4 in which the receptor 3h is fit freely, and an elastic body 5d that presses the foldable body 5a downwards. By the foldable body 5a that is projected downwards from the guiding tube 5b due to the elastic body 5d and pressed onto the receptor 3h, the bed 3 is maintained in the upward posture Y when not used. The bed 3 is also maintained in the horizontal posture X for use by the acceptor 3h compressing the foldable body 5a moving above.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bed in a public facility or other lavatory, which is installed on a wall surface of the bed in a standing state by moving the bed up and down as required. The present invention relates to a bed rotating structure in a retractable infant bed used for changing diapers of infants and the like.

[0002]

2. Description of the Related Art Various types of retractable baby beds have already been disclosed, but these are illustrated in FIG. 7 (utility model registration No. 2582393) as shown in FIG. and a lower end b of a bed d pivotally supported by a hinge c so as to be rotatable in a vertical direction, a rear end of the bed d and the base a A biasing means such as a gas spring f is pivotally connected to the pivot brackets e and h by the respective pivots g and h. The gas spring f is provided so as to urge the bed d from the use lying state X indicated by the solid line to the non-use standing state Y direction indicated by the imaginary line, thus the bed d is in the non-use standing state. It is held at Y, and it is slowly turned down by pulling it down in the direction of arrow R, and the bed d comes into contact with a stopper (not shown) of the base a so that the bed d is It stops in the above-mentioned use lying state. Further, when the diaper replacement is completed, the bed d is rotated upward in the direction opposite to the arrow R, and the bed d is returned to a non-use standing state with a light force by the gas spring f. And this state will be maintained.

[0003]

When a conventional stowable baby bed is used, the bed d and the base a are pivotally supported by a hinge c, and both the beds d and a are constructed as described above. Is attached to the wall W by bolts, nuts, fastening screws, etc., so that the retractable baby bed having a considerable weight is lifted. The bed d and the hinge c must be kept apart from each other against the urging force of the gas spring f. For this reason, the above-mentioned installation work becomes difficult, and not only must a great deal of labor be spent, but also a considerable amount of time is required for the work, and considerable work is required when performing the removal work. And take time.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, the present invention is directed to a stowable infant bed which can be completed simply by attaching a lightweight and small attaching portion to a wall surface, and a bed as one component member thereof. With respect to the rotating structure, the present invention is characterized in that the rotating structure is formed by a bed portion, an attached arm portion pivotally attached to the bed portion, and any biasing means pivoted between the two portions,
Moreover, the urging means provided between the bed portion and the attached arm portion ensures durability and stable operability as compared with the conventional product using a simple spring, and uses a gas spring. In order to eliminate the defect that becomes expensive by doing, the elastic body inside the guide cylinder provided on the attached arm part,
The slider is allowed to protrude from the guide cylinder, and the slider is configured to press against a receiving body provided at the rear end of the bed.

[0005] Further, in claim 2, the above-mentioned claim 1
In addition to the above configuration, a stopper portion is provided at the rear end of the bed portion so that it can be pressed against the attached arm portion,
The bed part can be held in the lying-down state by itself, and the horizontal shaft having the rear end part pivotally attached to the attached arm part and the receiving body provided at the rear end part are parallel to each other. In this state, the receiving body is formed with an outer peripheral arc surface that is in sliding contact with the tip of the slider in the attached arm portion, so that there is no defect in the conventional spring biasing means for durability and failure. Correction, and furthermore, an unintended extension of the slider can be prevented by engaging a guide screw rod protruding from the slider with a guide groove provided in the guide cylinder of the urging means. .

[0006]

According to the present invention, there is provided a bed portion and an attached arm portion which is pivotally attached to a rear end of the bed portion and which can be attached to a wall surface. And, between the attached arm portion and the bed portion, a biasing means for biasing the attached arm portion to the bed portion so as to be in a prone state of heavy loading is continuously provided, and the biasing means is provided. A receiving member provided at the rear end of the bed portion, a slider that slidably presses the receiving member, and the above-described receiving member in which the slider is slidably fitted. The guide tube provided on the arm portion and the elastic member housed between the slider and the upper stop portion of the guide tube, wherein the bed portion is in a non-use upright state of being attached to a wall surface. The resilient member presses against the receiving member of the bed portion in a state where the sliding member of the elastic pressure protrudes from the lower end opening of the guide cylinder, and the bed portion rotates forward and descends and the wall surface A bed in a retractable infant bed, wherein the elastic body is configured to be in a compressed state by a slider pressed by the receiving body in a use lying state in which the orthogonal arrangement is provided; An attempt is being made to provide a pivoting arrangement.

[0007] According to a second aspect, the first aspect is provided.
As a supplementary configuration to the above, a receiving body in a biasing means is a horizontal shaft pivotally connecting the rear end portion having a stopper portion for holding the bed portion in the used reclined state to an attached arm portion. The receiving body is formed so as to be in parallel with the rod, the receiving body is formed with an outer peripheral arc surface that comes into sliding contact with the tip of the slider, and a pair of guide grooves formed in the guide cylinder. To
The guide stop screw rod protruded from the slider is engaged with the slider so that the slider can move up and down so that the slider can extend from the guide cylinder by a required length.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIG. 1 to FIG. 8, a retractable baby bed is provided with a mounting portion 1 mounted on a wall W and a locking portion mounted on the mounting portion 1. FIG. And a bed rotating structure 2 which is enabled. Here, as shown in the perspective view and the front view showing the state of attachment to the wall surface W in FIG. 2 and FIG.
A required number of locking portions 1a, 1b, 1c are provided. Of course, as shown in FIGS. 1 and 8, an attachment screw 1d, a nut 1e, and a fastening screw 1f projecting from the wall surface W are used. Thus, the mounting portion 1 is relatively lightweight and small, so that simple and quick mounting work is possible.

Next, the bed rotating structure 2 according to the present invention will be described with reference to FIGS. 1 to 8, which show a bed 3, an attached arm 4, and a biasing means 5.
And is constituted by. Rear end 3a of bed 3
In the horizontal shaft 3b fixed in parallel to the wall surface W, the base end 4a of the attached arm 4 is substantially 90
It is mounted to be rotatable by ゜. Further, between the rear end 3a of the bed portion 3 and the attached arm portion 4, FIG.
(A), as shown in FIG. 6, an urging means 5 for urging the attached arm portion 4 to the bed portion 3 so as to be in a prone and heavy loading state is continuously provided.

The urging means 5 allows the bed portion 3 to maintain the non-use upright state Y as shown in FIG. 1A in which the bed portion 3 is attached to the wall surface W, and the bed portion 3 is moved forward by the arrow R. As described above, it is possible to maintain the use lying state X in which the pivot shaft 3b is pivoted and lowered about the horizontal shaft 3b and is arranged orthogonally to the wall surface W. According to a second aspect of the present invention, as shown in FIG.
The lower end edge 4b of the attached arm portion 4 is configured to abut against a protruding stopper portion 3c at the rear end portion 3a.

The attached arm 4 has a locked portion 4
A is provided, and the one illustrated in FIGS. 1, 5, 6 and the like is configured such that the locking openings 4c, 4d are vertically pressed against the pressed vertical plate 4e.
The upper edge plate portions of the locking ports 4c and 4d have a role as the locked portion 4A. That is, in the case of the stowable baby bed shown in the drawing, if the lightweight and small attaching portion 1 is first attached to the wall surface W as shown in FIG. 8, then the bed rotating structure 2 is folded as shown in FIG. Operate like a virtual line L while standing,
The above-mentioned locking portions 1a, 1b, 1c are provided in the locking openings 4c, 4d.
1A, the locked portion 4A is locked to the locking portions 1a, 1b, and 1c. Therefore, it is possible to easily and quickly bring the device into a usable state as shown in FIG. it can.

In the above-mentioned stowable baby bed, another example is shown with respect to the locking structure between the locking portions 1a, 1b, 1c and the locked portion 4A. The locking portions 1a, 1 as locking tongues are upwardly directed to the pressing vertical plate 1g in the portion 1 via the engagement gap 1h.
b, 1c are protruded, and the bed rotating structure 2
In the vertical plate 4e to be pressed in the attached arm 4, the above-mentioned locking openings 4c, 4d are opened to form the locked portion 4A, and the locking portions 1a, 1b, 1c are formed. The locked vertical plate 4e can be pressed against the pressed vertical plate 1g by locking the locked portion 4A.

Referring to FIG. 7A in detail, the mounting portion 1 illustrated here is composed of a horizontal mounting plate 1j provided with a vertical standing upper edge 1i at the top and bottom, and a left and right mounting plate 1j. It has the above-mentioned pressing vertical plate 1g fixed at both ends and orthogonally. The left and right sides of the pressing vertical plate 1g are provided with a vertical standing upper edge 1k which is also raised forward, and extend in a state flush with the vertical standing upper edge 1k. Is provided. The locking parts 1a, 1b of the previous theory,
Each of the locking tongues 1c is formed by cutting out and bending the pressing vertical plate 1g, and the locking tongues extend upward in a direction away from the wall surface W. I have. Therefore, since the engagement gap 1h has a downward acute angle, the engaging portions 1a, 1b,
When the locked portion 4A is locked to 1c, the locked portion 4A can be easily engaged, and in the locked state, there can be maintained a locked state in which there is no back and forth play.

Further, in the above-mentioned locked state, as shown in FIG. 5, the left and right sides of the pressed vertical plate 4e of the attached arm portion 4 are located between the vertically standing upper edges 1k of the attachment portion 1. As clearly shown, the vertical engagement upper edge 4f protruding forward is fitted and abutted, so that undesired lateral swing of the bed rotating structure 2 with respect to the attachment portion 1 is prevented. I have. Here, in FIGS. 4 to 6, the bed portion 3 disclosed in FIGS.
4 to 6 show a rib 3d of the bed portion 3, 3f a screw screw hole for fixing the floor plate portion 3d, and 3g a horizontal shaft 3d.
9B shows a bearing fixing portion fixed to the rear end 3a of the bed portion 3 to fix both ends of the b.

Further, the locking portions 1a, 1b, 1c as described above
In addition to locking the locked portion 4A in FIG.
As shown in FIG. 2B, a rectangular fixing plate 1n is prepared, and mounting holes 1p are provided opposite to the left and right ends in the longitudinal direction. As shown in the figure, the cover 6 used for concealing the attached portion 4 and the attached portion 1 is attached to the mounting hole 6a of the cover 6.
So that it can be attached with screws (not shown)
A fixing screw hole 1q is engraved. A fixing plate 1m extends outward from a pair of vertical standing upper edges 1k raised from a pressing vertical plate 1g provided on the attachment portion 1, and these fixing tongues are provided. Each 1m has a fastening screw hole 1
r is provided. Then, with the fixing plate 1n straddled and stacked on the fixing tongue piece 1m, the screw 1s shown in FIG. 1 is inserted through the mounting hole 1p and screwed into the fastening screw hole 1r. Thus, the fixing plate 1n is fixed to the attachment portion 1. At this time, as shown in FIGS. 1 and 8, the fixing plate 1 n is attached to the attached arm 4 in the vertical upright edge 4 f for engagement.
Is fixed in a state where it is pressed against the retaining notch 4g formed on the free end side of. As a result, in the illustrated example, the fixing plate 1n
8 is pressed against the vertical edge 4b of the retaining notch 4g, which is shown in FIG. 8, and the horizontal edge 4i is in contact with the lower edge of the fixing plate 1n. The arm portion 4 is fixed to the attachment portion 1 and can eliminate the fear of falling off. By doing so, the bed rotating structure 2 locked with respect to the attachment portion 1 can be locked.
1b and 1c, it is possible to prevent unintentional sliding to the left and right or swinging up and down, so that the locking portion 1a is inclined as described above as shown. When extended, the reliability of the locked state is more reliable.

Here, the urging means 5 in the bed rotating structure 2 according to the first aspect will be described in detail. Referring to FIGS. 1 to 6, the urging means 5 is fixed to the rear end 3a of the bed portion 3. A receiving member 3h provided, a slider 5a pressed against the receiving member 3h so as to be slidable, and a slider 5a
The attached arm portion 4 in which the inner arm 4 is slidably fitted.
The guide tube 5b provided in the
b and an elastic body 5d such as a coil spring housed between the upper stop 5c. In the non-use standing state Y in which the bed portion 3 is attached to the wall surface W as shown in FIG.
The slider 5a to be resiliently pressed by d protrudes from the lower end 5e of the guide cylinder 5b with a considerable length and presses against the receiving body 3h. Then, as described above, when the bed portion 3 is rotated forward and downward as shown by the arrow R, and the above-mentioned use lying state X in which the bed portion 3 is arranged orthogonally to the wall surface W, the rotation of the receiving body 3h is changed. The elastic body 5d is moved by the slider 5a pushed into the guide cylinder 5b as shown in FIG.
It is configured to be in a considerably compressed state as shown in FIG.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, the receiving body 3h with respect to the urging means 5 can be understood as shown in FIGS. 1, 3, 4, and 5, In the illustrated example, the curved plate portion 3i having the stopper portion 3c is fixed to the rear end portion 3a by a screw 3j, and is protruded from the curved plate portion 3i so as to be parallel to the horizontal shaft 3b. Therefore, the slider 5a is attached to the receiver 3h.
Is formed on the outer peripheral arc surface 3k against which the front end is pressed. In the case of the illustrated example, the slider 5a is made of a synthetic resin in the shape of a square rod, and is fitted so that it can freely enter and exit the square pipe-shaped guide cylinder 5b. Each of the guides projecting from the slider 5a into a pair of left and right guide grooves 5f formed in the guide cylinder 5b so as to be understood from FIGS. The set screw 5g is fitted.

Therefore, when the bed portion 3 is in the non-use upright state Y as shown in FIG.
In this case, the guide screw 5g engages with the lower edge of the guide groove 5f, and as a result, the slider 5a comes out of the guide cylinder 5b. There is no. Then, from the non-use standing state Y to the arrow R
When the bed rotating component 2 is pivoted down in the direction, the receiving body 3h guides the slider 5a against the elastic force of the elastic body 5d as the above-mentioned pivoting descending operation proceeds. The bed part 3 is pushed down into the cylinder 5b, and the turning moment by the bed rotating component 2 gradually increases, so that the bed part 3 descends toward the use lying state X, and the infant is put on the bed part 3. As described above, even if a load is applied, the further lowering is stopped by the stopper portion 3c abutting on the lower edge 4b. In FIG. 1, what is indicated by a virtual line is a cover 6 separately formed of a synthetic resin or the like as described with reference to FIG. The bed portion 3 is used in the state shown in FIG. 3.

[0019]

As described above, the present invention is constructed as described above, so that a light-weight mounting portion is attached to the wall surface, and the bed is rotated easily and detachably in the retractable baby bed. In the structure, in claim 1, this is constituted by a bed portion, an attached plate portion pivotally attached to the bed portion, and a biasing means pivotally connected between the bed portion and the urging means. Instead of using springs or gas springs,
The slider is made to protrude from the guide cylinder by the elastic body inside the guide cylinder of the attached arm so that the slider can be pressed against the receiver provided at the rear end of the bed. Therefore, compared to the conventional example using a spring, the assembling work can be performed easily and quickly, durability can be improved, stable operation can be ensured, and defects that make the gas spring expensive can be solved. it can.

Further, in the case of the bed rotating structure according to the second aspect, not only can the effect of the first aspect be exerted, but also by providing the bed with a stopper, the bed can be reliably used in the lying state. It can be held by itself, and the outer circumferential surface of the receiving body slides on the tip of the slider, so that durability and smooth operation are guaranteed, and the slider slides its guide screw into the guide groove of the guide cylinder. By engaging with the hole so as to be able to move up and down, undesired extension of the slider is prevented, and high reliability can be ensured for smooth rotation of the bed with respect to the attached arm.

[Brief description of the drawings]

1A and 1B show a state in which a retractable infant bed provided with a bed rotating structure according to the present invention is attached to a wall surface, and FIG. () Is a longitudinal sectional side view of a partially cutout in the use recline state.

FIG. 2 is an exploded perspective view of the retractable baby bed.

FIG. 3 is a perspective view showing a use state of the retractable baby bed;

FIG. 4 shows a case where the floor plate portion of the bed rotating component of the retractable baby bed is removed, and the arm portion to be attached is set up against the bed portion against the urging force of the urging means. It is the top view which cut out some.

FIG. 5 is a cross-sectional view taken along the line AA in FIG. 2;

FIG. 6 is a plan view in which the floor plate portion of the bed rotating component of the above-mentioned retractable baby bed is removed, and a part of the attached portion is in a prone and heavy loading state by the urging means;

FIG. 7A is a front view showing a mounting portion as one component member of the retractable type infant bed, in which a part of the mounting portion is pressed against a wall, and FIG. 7B is a front view of the mounting portion. It is a front view of the fixing plate separately attached by screwing.

FIG. 8 is a longitudinal sectional side view immediately before the bed rotating component is locked to an attachment portion attached to a wall surface according to the present invention.

FIG. 9 is an explanatory side view schematically showing an example of a conventional stowable baby bed, showing a state of attachment to a wall surface.

[Explanation of symbols]

 2 Bed rotating structure 3 Bed part 3a Rear end part 3b Lateral shaft 3h Receptor 3k Outer arc surface 4 Arm to be attached 5 Urging means 5a Slider 5b Guide cylinder 5c Upper stop 5d Elastic body 5e Lower end port W Wall X Use lying down Y Not upright

Claims (2)

[Claims] 1. A bed portion, an attached arm portion pivotally attached to a rear end portion thereof and attachable to a wall surface, and is provided between the attached arm portion and the bed portion to be attached to the bed portion. A biasing means for biasing the arm portion so as to be in a prone state of heavy loading is continuously provided,
A receiving body provided at a rear end of the bed portion,
A slider that slidably presses the receiving body, a guide cylinder provided on the attached arm in which the slider is slidably fitted, And an elastic body housed between the upper stop portions of the guide cylinder, and when the bed portion is in an upright non-use state in which the bed is not attached to the wall surface, the elastic body causes the elastically slidable slider to move to the lower end of the guide cylinder. When the bed portion is pressed against the receiving body of the bed portion in a protruding state, and the bed portion is rotated downward and becomes orthogonally arranged on the wall surface in the use reclining state, the bed portion is pressed by the receiving body. A bed rotating structure in a retractable baby bed, wherein the elastic body is configured to be in a compressed state by a slider. 2. A bed portion, an attached arm portion pivotally attached to a rear end portion thereof and attachable to a wall surface, and located between the attached arm portion and the bed portion. A biasing means for biasing the arm portion so as to be in a prone state of heavy loading is continuously provided,
A receiving body provided at a rear end of the bed portion,
A slider that slidably presses the receiving body, a guide cylinder provided on the attached arm in which the slider is slidably fitted, And an elastic body housed between the upper stop portions of the guide cylinder, and when the bed portion is in an upright non-use state in which the bed is not attached to the wall surface, the elastic body causes the elastically slidable slider to move to the lower end of the guide cylinder. When the bed portion is pressed against the receiving body of the bed portion in a protruding state, and the bed portion is rotated downward and becomes orthogonally arranged on the wall surface in the use reclining state, the bed portion is pressed by the receiving body. The elastic body is brought into a compressed state by the slider, and a receiving body of the urging means is moved to cover the rear end on which the stopper for holding the bed in the used lying state is formed. It is projected so as to be in parallel with the horizontal shaft that is pivotally attached to the mounting arm, and the receiving body is pressed against the tip of the slider. An outer peripheral arc surface that is in sliding contact is formed, and a guide stop screw rod protruding from the slider is engaged with a pair of guide grooves formed in the guide cylinder so as to be able to move up and down. Is extended freely from the guide tube by a required length.