JP3602016B2 - Retractable baby bed - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention is applied to a lavatory of a public facility or the like, in which a bed portion set up on a wall surface of the bed portion is moved forward as required, and then the diaper is replaced on the bed portion. The present invention relates to a retractable baby bed to be used for such purposes.
[0002]
[Prior art]
Various types of stowable baby beds have already been disclosed, but these are illustrated in FIG. 7 (U.S. Pat. No. 5,582,393) as shown in FIG. The bed b has a bed d pivotally supported by a hinge c so as to be rotatable in a vertical direction, and a rear end of the bed d and a pivot fixed to the base a. A biasing means such as a gas spring f is connected to the support bracket e 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. When the bed d is pulled down in the direction of arrow R, the bed d is gently pivoted down, and the bed d comes into contact with a stopper (not shown) of the base a so that the bed d is moved. It stops in the above-mentioned use lying state.
Further, when the diaper is exchanged, the bed d is rotated upward in the direction opposite to the arrow R, and the gas spring f returns the bed d to a non-use standing state with a light force. And this state is maintained.
[0003]
Further, according to the above-described conventional example, the height of the bed portion d in the use lying state X is fixed after the installation work on the wall surface W is completed. Therefore, even if there is a request to move the height up and down, In order to satisfy this requirement, the stowable baby bed must be once removed from the wall surface W and newly attached, which requires a great deal of labor.
[0004]
[Problems to be solved by the invention]
In the case of the conventional stowable baby bed, the bed d and the base a are pivotally supported by the hinge c, and both d and a are pivoted by the gas spring f. Therefore, when this is attached to the wall surface W with bolts, nuts, fastening screws, etc., the retractable baby bed having a considerable weight is held in a raised state, and furthermore, the bed portion and the hinge are fixed. The part c must be kept separated from 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. I have to take time.
Further, as described above, since the bed cannot be freely adjusted, there is a defect that the retractable infant bed must be removed and reattached for the adjustment.
[0005]
The present invention has been made in view of the above-mentioned conventional problems. According to the first aspect, it is sufficient to attach only a lightweight and small attaching portion to a wall surface, while the bed portion is pivotally connected to the bed portion. The bed structure is formed by the attached arm portion and the arbitrary urging means connected between the two portions, and the attached arm portion is attached to the locking portion provided on the attachment portion. The operation of merely locking the locked portion provided in the bed allows the mounting of the bed structure to the mounting portion to be completed, making the retractable baby bed extremely quick and with only easy labor. The first purpose is to enable construction work.
[0006]
Further, according to the first aspect, the adjusting screw of the attached portion is screwed to press the adjusting screw against the receiving portion of the attached portion, whereby the attached arm portion is pressed. It is possible to adjust the height of the bed part to a desired position, thereby enabling the bed part to be easily adjusted to the most desirable height even if the position of the attachment part is somewhat unwilling. A second object is to enable quick adjustment only by operation.
[0007]
In the case of the second aspect, the locking portion of the first aspect is formed by a locking tongue protruding upward and separated from the pressing vertical plate of the attachment portion, and the locked portion of the first aspect is The above-mentioned pressed vertical portion is formed by opening a locking port on the pressed vertical plate in the mounted arm portion of the bed structure and inserting and locking a locking tongue into the locking port. By arranging the plate and the pressing vertical plate to be pressed, the stowable baby bed can be mounted more quickly and surely.
[0008]
According to the second aspect of the present invention, with regard to the height adjustment structure of the bed portion in the first aspect, a height adjustment screw is screwed into the upper horizontal plate portion of the attached arm portion, and the dropping portion projects from the attachment portion. The receiving plate with the motion-preventing upright portion is extended from the insertion hole provided in the pressed vertical plate of the attached arm portion, and the adjusting screw is pressed against the receiving plate. The height of the attached arm portion can be adjusted by doing so, and the height adjustment screw is prevented from being unintentionally dropped by the fall prevention erecting portion. Can be achieved by simple, quick and safe operation.
[0009]
Further, according to the fourth aspect, the urging means provided between the bed portion and the attached arm portion in the bed structure according to the first aspect ensures durability or stable operability in the case of a simple spring. In order to improve the quality of the gas spring and to eliminate the disadvantage that the gas spring becomes expensive, the slider is made to freely protrude from the guide cylinder by an elastic body provided inside the guide cylinder provided on the attached arm. A structure is used in which the moving element is pressed against a receiving body provided at the rear end of the bed portion.
[0010]
[Means for Solving the Problems]
In order to achieve the above object, according to the present invention, there is provided an attaching portion mounted on a wall surface, a rear end portion of a bed portion, and an attached arm portion pivotally attached to the rear end portion. A bed structure in which biasing means for biasing the attached arm portion to the bed portion so as to be in a prone and heavy loading state is connected to the bed portion, and the locking portion provided on the attachment portion In addition to locking the locked portion provided on the attached arm portion of the bed structure, the adjusting screw screwed into the attached arm portion is double-loaded, and the adjusting screw is By making the lower end portion freely pressable to the receiving portion of the attachment portion, the height of the attached arm portion with respect to the attachment portion can be freely adjusted by the screwing operation of the adjusting screw. Non-use standing state in which the bed portion is attached to the wall surface by the urging means, and use lying state in which the bed portion is rotated forward and lowered to be orthogonally arranged on the wall surface. There has been an attempt to provide a retractable Cots, characterized in that set to be freely held.
[0011]
Next, according to the second aspect, in the first aspect, the configuration of the locking portion and the locked portion is first specified, and the gap between the locking vertical portion and the pressing vertical plate at the mounting portion is engaged. A locking portion provided with a locking tongue protruding upward through the locking member has a locking opening formed in a pressed vertical plate in a mounting arm portion of the bed structure. By inserting and locking the portion, the pressed vertical plate can be pressed against the pressing vertical plate.
Further, the height adjusting mechanism of the bed component according to claim 1 is specified, and an adjusting screw screwed into an upper horizontal plate portion of the attached arm portion is vertically mounted, and the adjusting screw of the adjusting screw is mounted. The lower end portion is protruded from the pressing vertical plate of the attachment portion, is inserted forward through the insertion opening formed in the pressed vertical plate of the attached arm portion, and is located at the receiving portion of the extension. The height of the attached arm with respect to the attachment part is made adjustable by screwing the height adjusting screw by making it possible to press against the receiving plate with the fall prevention part. It has contents.
[0012]
According to a third aspect of the present invention, the configuration of the urging means in the first aspect is specified, and a receiving body fixed to a rear end portion of the bed portion and a sliding section with the receiving body are specified. A slider that freely presses, a guide cylinder provided on the attached arm portion in which the slider is slidably fitted, and an upper stop of the slider and the guide cylinder When the bed is not in use and the bed portion is not attached to the wall, the elastic member pushes the resilient slider against the receiving body in a state of protruding from the lower end opening of the guide cylinder. In this case, when the bed portion is rotated forward and downward and is in the use lying state in which the bed is orthogonally arranged on the wall surface, the elastic body is configured to be in a compressed state by the slider pressed by the receiving body. Is the content.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
The present invention will be described below in detail with reference to FIGS. 1 to 7. According to claim 1, the present invention comprises a mounting portion 1 mounted on a wall W and a bed structure 2 which can be locked to the mounting portion 1. ing.
Here, as shown in the front view in the state of attachment to the wall surface W in FIG. 5 (A), the attachment portion 1 is provided with a required number of locking portions 1a and 1b and projects laterally forward. The receiving portion 1c is provided. Of course, as shown in FIGS. 1 and 6, the mounting screw 1d, the nut 1e, and the fastening screw 1f protruding from the wall W are used to securely attach to the wall W. Since the mounting portion 1 is relatively lightweight and small, simple and quick mounting work is possible.
[0014]
Next, the bed structure 2 will be described. The bed structure 2 includes a bed portion 3, an attached arm portion 4, and a biasing means 5, as understood from FIGS. At the rear end 3a of the bed 3 at the rear end 3a, the proximal end 4a of the attached arm 4 is attached to the horizontal shaft 3b, which is fixed in parallel to the wall surface W. It is mounted so that it can rotate freely by °. Further, between the rear end portion 3a of the bed portion 3 and the attached arm portion 4, the attached arm portion 4 is laid flatly on the bed portion 3 as shown in FIGS. An urging means 5 for urging the state is provided.
[0015]
Here, the urging means 5 may adopt a special structure described later in claim 3, but may use a simple spring or a gas spring as described above.
Thus, according to the first aspect, the urging means 5 allows the bed portion 3 to maintain the non-use upright state Y as shown in FIG. Can be rotated forward and downward about the horizontal shaft 3b as shown by the arrow R, and the use lying state X in which the wall W is arranged orthogonally can be maintained.
In the illustrated example, in order to maintain the above-mentioned use lying state X, the lower end edge 4b of the attached arm portion 4 abuts on the protruding stopper portion 3c at the rear end portion 3a of the bed portion 3. It is configured as follows.
[0016]
Further, the attached arm portion 4 is provided with a locked portion 4A, and those illustrated in FIG. 1, FIG. 3, FIG. The opening on the vertical plate 4e allows the upper edge plate portion of the locking port 4c to serve as the locked portion 4A.
According to the first aspect of the present invention, the adjusting screw 4d screwed to the attached arm portion 4 is vertically mounted in correspondence with the receiving portion 1c of the attaching portion 1 described above. The lower end of the arm can be pressed against the receiving portion 1c, so that the height of the attached arm portion 4 with respect to the attaching portion 1 and thus the height of the bed portion 3 can be adjusted by screwing the adjusting screw 4d. It is configured to be. Thus, even when the mounting height of the mounting portion 1 is not appropriate, the bed portion 3 can be adjusted to the required height that is easy to use by screwing the adjusting screw 4d.
That is, in the case of the retractable baby bed according to the first aspect, if the lightweight and small attaching portion 1 is first attached to the wall surface W as shown in FIG. In the standing state, the operation is performed as indicated by the imaginary line L, and the above-mentioned locking portions 1a and 1b are simply inserted through the locking port 4c and lowered, and the locked portions are locked to the locking portions 1a and 1b. 4A is locked, so that it is possible to easily and quickly bring about the usable state as shown in FIG.
Moreover, in the present invention, the height of the bed portion 3 can be appropriately changed by rotating the adjusting screw 4d with a desired tool, so that the mounting position of the mounting portion 1 is not changed. The height of the bed 3 which is easy to use can be easily and appropriately adjusted.
[0017]
Next, in the case of the storage type infant bed according to the second aspect, the content of the first aspect is specified as follows in the locking configuration of the locking portions 1a and 1b and the locked portion 4A.
First, locking portions 1a and 1b as locking tongues are provided on the lower vertical side in the illustrated example so as to protrude upward from the pressing vertical plate 1g in the attaching portion 1 via the engaging gap 1h. In addition, the above-described locking opening 4c is opened in the pressed vertical plate 4e of the attached arm portion 4 of the bed structure 2 to form the locked portion 4A, and the locking portion 4A is formed. By locking the locked portion 4A to 1a, 1b, the pressed vertical plate 4e can be pressed against the pressing vertical plate 1g.
[0018]
Here, referring to FIG. 5 in more detail, the mounting portion 1 illustrated here is a horizontal mounting plate 1j provided with a vertical standing upper edge portion 1i at the top and bottom, and a rectangular mounting plate at both left and right ends thereof. And 1 g of the above-mentioned pressing vertical plate fixed to the above. On the left and right sides of the pressing vertical plate 1g, there is provided a vertical standing upper edge portion 1k which is also raised forward.
The locking tongues, which are the locking portions 1a and 1b described above, are formed by cutting out and bending the pressing vertical plate 1g, and the locking tongues are separated from the wall surface W upward. It is extended in the direction to be.
Therefore, since the engagement gap 1h has an acute downward angle, it is easy to engage when the locked portion 4A is locked to the locking portions 1a and 1b as described above, and in the locked state. It is possible to maintain a locked state without rattling in the front-back direction.
[0019]
In the illustrated example of the receiving portion 1c, a receiving plate 1m protruding from the upper side of the pressing vertical plate 1g in the mounting portion 1 and a curved portion formed from the front side thereof are provided. The receiving portion 1c is inserted forward through an insertion opening 4f formed in the pressed vertical plate 4e of the attached arm portion 4 while being formed in a hook shape by the falling prevention portion 1n. As a result, the lower end of the adjusting screw 4d screwed into the upper horizontal plate 4g of the attached arm 4 is pressed against the receiving plate 1m.
Therefore, according to the second aspect, not only can the height of the bed portion 3 be adjusted by operating the adjusting screw 4d as in the first aspect, but also when the bed structure 2 is locked to the attachment portion 1, The safety of the high screw 4d is improved without unintentionally detaching from the receiving plate 1m.
[0020]
In addition, if it is necessary to further improve the above-mentioned safety and to prevent the undesired movement of the bed structure 2, the pressed vertical plate 4e is stopped against the pressed vertical plate 1g as shown in FIG. You may make it screw by the screw 4h.
Also, as illustrated in FIG. 6, a lateral vibration prevention protrusion 4i is formed on the upper surface of the receiving plate 1m, and has an annular shape or the like into which the lower end of the adjustment screw 4d is fitted. It is also possible to prevent the screw 4d from being pushed unintentionally.
[0021]
Also, in the above-described locked state, in the illustrated example, it is located between the vertical upper edge portions 1k of the attachment portion 1 and is clearly shown in FIG. 3 from the left and right of the pressed vertical plate 4e of the attached arm portion 4. As described above, the vertical engagement upper edge 4j protruding forward is fitted and abutted, so that the undesired lateral swing of the bed structure 2 with respect to the attachment portion 1 is prevented. Here, FIGS. 2 to 4 show a state in which the floor plate 3d of the bed 3 disclosed in FIGS. 1 and 7 is removed, and 3e in FIGS. Reference numeral 3f denotes a screw fixing screw hole for fixing the floor plate portion 3d, and 3g denotes a bearing fixing portion fixed to the rear end 3a of the bed portion 3 for fixing both ends of the horizontal shaft 3b.
[0022]
The third aspect of the present invention will be described below. Here, the urging means 5 in the first aspect adopts a specific configuration.
Referring to FIGS. 1 to 4, the urging means 5 has a sliding contact body 3 h fixed to the rear end 3 a of the bed portion 3 and is slidable with respect to the sliding contact body 3 h. A slider 5a that is pressed, a guide cylinder 5b provided on the attached arm portion 4 in which the slider 5a is slidably fitted, and a guide that guides the slider 5a. An elastic body 5d such as a coil spring is provided between the cylinder 5b and 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. 1A, the slider 5a to be resiliently pressed by the elastic body 5d is connected to the lower end of the guide cylinder 5b. 5e, it is in a protruding state with a considerable length, and is pressed against the sliding member 3h. When the bed portion 3 is rotated forward and downward as indicated by the arrow R as described in the previous section, and when the bed portion 3 is in the use lying state X in which the bed portion 3 is orthogonally disposed on the wall surface W, the guide cylinder is rotated by the rotational displacement of the sliding contact body 3h. The elastic member 5d is configured to be in a considerably compressed state as shown in FIG. 1B by the slider 5a pushed into the inside of the elastic member 5b.
[0023]
Further, the urging means 5 will be described in detail with reference to the illustrated example. As described above with reference to FIGS. 1, 3, and 4, the sliding contact body 3h has a curved plate portion 3i on which a stopper portion 3c is formed. , A screw 3j, and is fixed to the rear end 3a, and is projected from the curved plate portion 3i so as to be in parallel with the horizontal shaft 3b. An outer peripheral arc surface 3k against which the tip of the child 5a is pressed is formed.
The slider 5a is made of a synthetic resin and is formed in a square rod shape, and is fitted so that it can freely enter and exit the square pipe-shaped guide cylinder 5b. Further, the slider 5a extends from the guide cylinder 5b without limitation. As can be understood from FIGS. 1 to 4, each guide locking screw 5 g protruding from the slider 5 a is fitted into a pair of left and right guide slots 5 f formed in the guide cylinder 5 b so as not to come out. Have been.
[0024]
Therefore, when the bed 3 is in the non-use upright state Y as shown in FIG. 1A, the slider 5a protrudes from the lower end 5e of the guide cylinder 5b. Engages with the lower end edge of the guide groove 5f. As a result, not only does the slider 5a not come out of the guide cylinder 5b, but also the tip of the slider 5a resiliently contacts the sliding body 3h and the elastic body 5d. Since no force is applied, when the bed component 2 is pivoted down from the non-use standing state Y in the direction of the arrow R, the elastic member 5d does not receive the elastic force from the beginning, and therefore, the initial movement operation is not performed. Is easier to do.
Then, as the rotation and lowering operation progresses, the sliding member 3h pushes the slider 5a into the guide cylinder 5b against the elastic force of the elastic body 5d, and the sliding member 3h is gradually moved by the bed component 2. As the rotational moment increases, the bed unit 3 descends toward the use lying state X, and even if a load is applied by placing an infant on the bed unit 3, the stopper unit 3 c is moved as described above. By hitting the lower edge 4b, further lowering is stopped.
[0025]
When the urging means 5 according to the fourth aspect is adopted, the pivotal structure of the belt structure 2 by the bed portion 3 and the attached arm portion 4 is more effective than when a simple coil spring is used. Is easy to assemble, the durability thereof can be improved, and it can be provided at a lower cost than the biasing means by the gas spring.
As a matter of course, as shown in FIG. 1 by a virtual line, a cover 6 made of a synthetic resin or the like is separately prepared as a product, and the cover 6 is placed outside the attached arm portion 4 of the head structure 2. After the mounting, the cover 6 is formed by means such as utilizing the mounting screw 1d extending from the wall mounting hole 1p formed in the pressing vertical plate 1g of the mounting portion 1 shown in FIG. Is fixed, so that the attached arm portion 4 and the attachment portion 1 fixed to the wall surface W are concealed by the cover 6.
[0026]
【The invention's effect】
Since the present invention is constructed as described above, when the portable telephone is to be attached to a wall surface as in the case of the conventional retractable baby bed according to the first aspect, the space between the base and the bed is used. Lightweight and compact attachment to the wall compared to the poor workability due to the fact that the gas spring was integrally connected to the base and lifted and attached to the wall of the base part. After attaching only the bed part, the bed structure consisting of the urging means connected between the bed part and the attached arm part attached to it is simply locked. , Because it can be used with a retractable baby bed attached, it can be used by simple and quick attachment work, and when it is necessary to remove it, extremely easy work, The purpose can be achieved.
[0027]
Further, according to the first aspect, not only the above-described locking of the bed constituent body with respect to the attachment portion, but also the height adjustment screw is screwed in the locked state to form the bed configuration with respect to the mounting portion. Since the body can be moved up and down freely, the bed can be adjusted to an optimum height by simple and quick operation, and the usability can be improved.
[0028]
Next, according to the second aspect, the locking structure between the engaging portion and the engaged portion in the first aspect is applied to the pressing vertical plate by the engagement between the engaging tongue and the locking opening. On the other hand, since the pressed vertical plate is pressed, the locking operation is easy, and the stability of the bed structure with respect to the mounting portion after the locking is improved, and the bed structure is also used as a height adjusting means. The height adjustment screw, which is screwed into the upper horizontal plate, is pressed against the receiving plate with the fall prevention upright, so that there is no worry that the bed component will detach from the attachment part unintentionally. The height adjustment operation according to claim 1 can be performed more safely.
Further, in the third aspect, in addition to the effect of the first aspect, as a biasing means in the first aspect, a sliding element which can be moved in and out of the guide cylinder by an elastic body against the sliding contact body in the bed portion is pressed. Since the joining is performed, the durability and the possibility of occurrence of a failure can be improved as compared with the urging means using a simple spring, and a gas spring that is inexpensive and easy to assemble can be provided.
[Brief description of the drawings]
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of a retractable infant bed according to the present invention attached to a wall surface, (A) is a longitudinal sectional side view of a partially cutout in a non-use standing state, and (B) is a partial side view in a use lying state. It is a longitudinal side view of a notch.
FIG. 2 is a part of the retractable baby bed in which a bed plate portion of a bed component is removed and an arm portion to be attached is set up with respect to the bed portion against a biasing force of a biasing means. It is the top view which notched.
FIG. 3 is a cross-sectional view taken along the line AA in FIG. 2;
FIG. 4 is a plan view of the storage-type infant bed, in which a floor plate portion of a bed component is removed and a part of the attached portion is in a prone and heavy loading state by an urging means, and is partially cut away.
FIG. 5 is a front view showing a mounting portion as one component member of the present invention in a state where a part of the mounting portion is pressed against a wall surface.
FIG. 6 is a partially cut-away longitudinal side view of an upper portion showing one example of the retractable baby bed in FIG. 1 (A).
FIG. 7 is a longitudinal sectional side view before a bed component is locked to an attachment portion attached to a wall surface in the present invention.
FIG. 8 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]
DESCRIPTION OF SYMBOLS 1 Attachment part 1a Locking part 1b Locking part 1c Receiving part 1g Pushing vertical plate 1h Engagement gap 1m Receiving plate 1n Falling prevention rising part 2 Bed structure 3 Bed part 3a Rear end part 3h Sliding contact Body 4 Attached arm portion 4A Locked portion 4c Locking opening 4d Adjusting screw 4e Pressed vertical plate 4f Insertion opening 4g Upper horizontal plate portion 5 Urging means 5a Slider 5b Guide cylinder 5c Upper stop portion 5d Elastic body 5e Lower end opening W Wall X Use lying down Y Not upright

Claims (3)

The mounting arm is located between the rear end of the bed and the rear end of the bed and the mounting arm pivotally attached to the rear end of the bed, and the mounting arm is laid flat on the bed. And a locking member provided on the attachment portion is provided on a mounting arm portion of the bed member. In addition to locking the locking portion, the adjusting screw screwed onto the attached arm portion is double-loaded, and the lower end portion of the adjusting screw can be pressed against the receiving portion of the mounting portion. Thereby, the height of the attached arm portion with respect to the attachment portion can be freely adjusted by the screwing operation of the adjusting screw, whereby the bed portion is attached to the wall surface by the urging means, and the non-use upright state, A retractable infant characterized in that the bed portion can be rotated forward and lowered so as to be freely held in a use lying state in which the bed portion is orthogonally arranged on a wall surface. Bed. The mounting arm is located between the rear end of the bed and the rear end of the bed and the mounting arm pivotally attached to the rear end of the bed, and the mounting arm is laid flat on the bed. And a bed to which a biasing means for biasing is provided so as to provide a locking tongue protruding upward through an engagement gap on the pressing vertical plate at the attachment portion. The locking portion having the locking opening formed in the pressed vertical plate of the mounting arm portion of the bed structure is inserted into and locked to the locking portion. A plate is pressed against the pressing vertical plate, and a height adjustment screw screwed into the upper horizontal plate portion of the attached arm portion is vertically mounted, and a lower end portion of the height adjustment screw is attached to the mounting portion. It is protruded from the pressing vertical plate, and is inserted forward through the insertion opening formed in the pressed vertical plate of the attached arm, and it is in the extension receiving part, with its falling prevention Press on a certain receiving plate The height of the attached arm with respect to the attachment portion can be freely adjusted by the screwing operation of the adjusting screw by making the adjusting screw freely, whereby the bed portion is not attached to the wall surface by the urging means. A retractable infant bed characterized in that it can be freely held in an upright state and in a use lying state in which the bed section is pivotally lowered forward and is orthogonally arranged on a wall surface. The mounting arm is located between the rear end of the bed and the rear end of the bed and the mounting arm pivotally attached to the rear end of the bed, and the mounting arm is laid flat on the bed. A bed structure in which biasing means for biasing the bed portion are connected. The biasing means includes a sliding contact body fixed to a rear end of the bed portion and a sliding contact with the sliding contact body. A slider that freely presses, a guide cylinder provided on the attached arm portion in which the slider is slidably fitted, and an upper stop of the slider and the guide cylinder When the bed is not in use and the bed part is not attached to the wall, the elastic member pushes the elastically pressed slider against the sliding contact body while projecting from the lower end of the guide cylinder. In the use lying state where the bed part rotates downward and moves perpendicularly to the wall surface, the elastic body is compressed by the slider pressed by the sliding contact body. And a locking portion provided on the mounting portion is configured to lock a locking portion provided on a mounting arm portion of the bed structure, and a screw is provided on the mounting arm portion. By vertically mounting the fitted adjusting screw and allowing the lower end of the adjusting screw to be able to be pressed against the receiving portion of the attaching portion, the screwing operation of the adjusting screw allows the adjusting screw to be removed from the attaching portion. The height of the arm is made adjustable, so that the urging means allows the bed to stand upright when the bed is not attached to the wall, and the bed is pivoted down and arranged perpendicular to the wall. A retractable infant bed characterized in that it can be freely held in a lying state.

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