KR101435160B1 - Multi-functional bed - Google Patents

Abstract

The present invention relates to a multi-functional cot and, more particularly, to a multi-functional cot, in which an angle of a back support part can be adjusted if necessary and the back support part can rotate so as to be used as a table. To this end, the present invention includes a cot body provided with a mattress thereon and provided with support legs thereunder to be spaced apart from the ground; a pair of rotating rods whose one ends are respectively combined to both sides of one side of the cot body in the longitudinal direction using hinges and rotatable by a rotating unit; a back support part for supporting the upper body of a user, wherein the other ends of the rotating rods are combined to both sides of one side of the back support part using hinges such that the back support part can rotate clockwise or counterclockwise; a rotating rod connection bar for connecting the rotating rods to each other such that the rotating rods can simultaneously operate; a rotation restriction protrusion protruding from both lateral sides of the back support part to limit the rotation of the back support part in the clockwise or counterclockwise direction within a predetermined angle; and a downward movement restriction part installed at one side of the cot body and including one of the rotating rods, the back support part and the rotating rod connection bar mounted thereon so as to restrict the downward movement of the back support part.

Description

Multi-functional bed

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a multifunctional lighter bed, and more particularly, to a multifunctional lighter bed which can be used as a table by adjusting the angle of a back part as needed and rotating the back part.

Generally, a bunk bed is used for resting in a hospital, an office, an office room, a studio, a home, or a home. Such a crib is not required to have a complicated auxiliary device when installed in an indoor / outdoor space, so that it is easy to operate and easy to store and the demand is increasing.

Most of the cribs used in hospitals are usually used by the caregiver who cares for the patient. When the crib is not used, it is stored under the bed that the patient uses, The length must be shorter than the bed used by the patient.

As shown in FIG. 1, the conventional structure of the protector cushion includes a frame 10 forming an outer appearance of a bed, a leg 10 fixed to a lower portion of the frame 10 to support the frame 10 in a horizontal state, (20), and a mattress (30) fixed on the frame (10) to provide a cushion force.

However, since the conventional crib bed is pushed into the lower space of the bed used by the patient, the length of the crib bed is shorter than that of the bed used by the patient, There was a problem. In addition, since the mattress is formed integrally with the protector cradle, the protector can not rest properly by resting in a squat or lying state if the protector wants to relax. Especially when reading or eating, There is a problem in that it is inconvenient in use because the user is bent on the back of the mattress and inconveniently to read a book or eat or work.

Meanwhile, in recent years, various techniques have been devised and used, such as providing a head support portion on one side or improving the length of a guardian bed by improving the cot, and storing the folded structure.

However, there were still inconveniences in use when taking a rest in the care bed, reading, eating or working.

In addition, as shown in FIG. 2, a first bed frame and a first bed frame are folded through an intermediate frame so as to be easily used or stored by being folded, A technique of having a body massage function is disclosed.

However, although the above-mentioned technique is designed to reduce the volume by folding the middle through the intermediate frame, the intermediate portion may be folded up while being in use, thereby causing a risk of a safety accident. In addition, Were not used, so they were limited to use.

Patent Document 1: Registration Practical Utility Model No. 0426845 (2006.09.12, a care bed for a hospital equipped with a head support) Patent Document 2: Registration No. 0700114 (March 20, 2007, a care bed for a hospital) Patent Document 3: Registration Practical Utility Model No. 0421199 (2006.07.04, structure of a guardian bed for a hospital) Patent Document 4: Registration Utility Model No. 0356761 (2004.07.08, a folding bed)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide an apparatus and a method for adjusting the angle of a backrest, And the backrest can be used as a table by rotating the backrest portion and the backrest can be moved to the upper surface of the mattress of the bed body to adjust the angle.

The present invention also provides a multifunctional cushion which can be easily moved and stored because the backrest and the support leg can be folded on the bed body to reduce the overall volume of the cushion.

According to an aspect of the present invention, there is provided a bed comprising: a bed main body provided with a mattress on an upper portion thereof and a support leg provided on the lower portion thereof so as to be spaced apart from the ground; A pair of pivoting rods that are coupled and rotatably provided by pivoting means and a pair of pivoting rods that are hinged to both sides of one side of the pivoting rod to be rotated clockwise and counterclockwise, A rotating rod connecting rod connecting the pair of pivoting rods to each other so as to allow the respective pivoting rods to be operated simultaneously; and a pivoting rod connecting rod projecting from both side surfaces of the backrest portion so that clockwise or counterclockwise rotation of the backrest portion When the backrest is laid down on one side of the bed main body, And a lowering restricting portion for restraining a downward movement of the backrest portion by supporting one of the pivoting rod, the backrest portion, and the pivoting rod connecting rod on the upper portion.

Wherein the pivoting means includes a plurality of engaging grooves formed in one peripheral edge of the pivoting rod and a coupling protrusion formed on one side of the pivoting rod so as to control the pivotal movement of the pivoting rod, And a lever connecting rod connecting the pair of levers to each other.

The backrest includes a back frame of a rectangular or square plate, a back mattress provided to cover the top of the back frame when the back frame is laid down to provide a cushion force, And a table plate constituting an upper surface of the table when the part is rotated counterclockwise.

The supporting rod is provided with a projection receiving recess for receiving the rotation restricting projection when the backrest is rotated counterclockwise and used as a table.

The pivoting rod connecting rod is disposed below the other side of the backrest so as to be brought into contact with or not in contact with the other bottom surface of the backrest according to the formation position of the backrest restricting projection, Thereby blocking clockwise rotation.

The lowering restricting portion may be a protrusion formed on one side edge of the bed main body, and a rod seating groove may be formed on the upper portion of the bed main body so that the turning rod connecting rod is inserted and seated.

And a supporting frame protrudes from one side of the bed main body to support the back of the back when the back is laid down.

The downward restricting portion is a seating surface formed on an upper surface of the support frame or one side of the support frame, and the rotation rod connecting rod is seated and supported.

In the vicinity of the lower edge of the bed main body, four or more leg brackets are provided to respectively couple the support legs, and a caster is installed at the ends of two or more support legs.

The leg bracket is rotatably provided on the leg bracket so as to be folded or unfolded on the bed body. A bracket shaft is formed on one side of the leg bracket for pivoting the support leg, and an arc- The bracket is provided with a first seating groove and a second seating groove extending from the upper and lower ends of the elongated hole and the bracket elongated hole, respectively, And a leg shaft which is fitted to the bracket elongated hole and is mounted on the first seating groove or the second seating groove while being moved on the bracket elongated hole is formed at a position spaced apart from the leg elongated hole.

A spring is provided between the support leg and the bracket shaft to apply an elastic force to the support leg. Two support legs of the support leg, which are rotated in the same direction, are connected to the connection rod and rotated together.

And a leg bracket installed near one side edge of the bed main body among the leg brackets is formed integrally with the downward restricting portion.

The support leg is provided on one side of a leg bracket formed on the bed main body so as to be pivotally connected to the bracket shaft so as to be folded or unfolded on the bed main body and a support leg stopper is provided on the other side of the leg bracket, Is formed.

Wherein the caster shaft of the caster is connected to the end of the support leg, and the shaft coupling hole is formed in a rectangular shape so as to be movable up and down. When the caster shaft is located at one side of the shaft coupling hole, The rotation restricting stopper is formed so that the rotation is limited.

And a magnetic body is provided on the bottom surface of the main body frame of the bed main body so that the coupling member is attached when the supporting leg is folded down to the lower portion of the main body of the bed.

According to the present invention, the backrest can be used as a sofa by adjusting the angle of the backrest, or can be used as a table through rotation of the backrest, and also can be used as a chair by moving the backrest to the upper surface of the mattress of the bed. So that it can be used as a sofa as well as a bed, a table and a chair through a simple operation in a narrow space. Further, the overall volume of the rolled bed can be reduced, so that it can be easily moved and stored. There is an effect that it can be kept up according to the circumstances of the storage place.

1 and 2 are a perspective view showing a conventional rolled bed,
FIG. 3A is a perspective view showing a multi-function portable bed according to the present invention,
FIG. 3B is a cross-sectional view of a multifunctional lighter according to the present invention,
FIG. 4 is a state diagram showing the rotating means in the multi-function loose bed according to the present invention,
FIG. 5A is a cross-sectional view illustrating an embodiment of a descent restricting portion on which a rotating rod connecting rod is seated in the multi-
FIG. 5B is a cross-sectional view showing another embodiment of the descent restricting portion on which the pivot rod connecting rod is seated in the multi-
FIG. 6A is a perspective view illustrating a state in which the backrest is used for a sofa by adjusting the angle of the backrest in the multi-
FIG. 6B is a side view of FIG. 6A,
7A is a perspective view of a multifunctional lighter according to the present invention in a state where a backrest is rotated to a top surface of a mattress of a bed main body and used as a chair,
FIG. 7B is a side view of FIG. 7A,
8A is a perspective view showing a state where a backrest is rotated and used as a table in a multifunctional lap-top according to the present invention,
FIG. 8B is a side view of FIG. 8A,
FIG. 9 is a view showing an example of a support leg formed by a folding type in a multi-function simplex bed according to the present invention,
FIG. 10A is a state in which the support legs formed by folding in FIG. 9 are folded in parallel to the bed frame,
FIG. 10B is a state in which the folding support leg of FIG. 9 is unfolded in the bed frame,
11A is a view showing a state in which the multi-function lap-top according to the present invention is laid down and stored,
FIG. 11B is a state in which the multifunctional lap belt according to the present invention is erected and stored. FIG.
FIG. 12A is a perspective view of a multi-function portable bed having a pivoting rod according to the present invention mounted on a lowering restricting portion and having a folding support leg,
FIG. 12B is a state in which the backrest is raised at a certain angle in FIG. 12A. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

3A and 3B, a multifunctional lap-top according to an embodiment of the present invention includes a bed body 100, a pivot rod 200, a backrest 300, a pivot rod connecting rod 400, A protrusion 500, and a falling limiter 600.

The bed main body 100 includes a main body frame 110 formed with a square frame and one or more supporting rods connected to each other and a mattress 120 provided at an upper portion of the main frame 110, A support leg 130 is installed on a lower portion of the bed main body 100 so that the bed main body 100 is positioned at a predetermined height from the ground.

The bed main body 100 is formed to have a length of approximately 1,000 mm to 1,300 mm to facilitate movement and storage. The reason why the length of the bed main body 100 can be shortened is because the backrest 300 is provided. When the backrest 300 is used, 100) to be used. The backrest 300 may have a length of approximately 300 mm to 700 mm.

A caster 140 is installed on the support leg 130 of the present invention to facilitate movement of the caster 140. The caster 140 may be installed on all support legs or only two support legs.

When the casters 140 are installed on all supporting legs, it is preferable to provide a structure for restricting rotation of the casters so that the moving bed can not easily move during use of the portable bed. Of course, it is of course also possible to use a castor with a separate locking means to prevent movement of the cot.

The backrest 300 is separated from the bed body 100 and is provided separately from the backrest 300. The backrest 300 is provided on one side of the bed main body 100, 300 can be used as a backrest when the seat is used as a sofa or a table can be rotated by rotating the backrest 300.

The backrest 300 can be moved to the upper surface of the mattress 120 of the bed main body 100 through the rotation of the tilt rod 200 so that the backrest 300 can be used as a chair.

The structure in which the present invention is used as a sofa or a table or a chair will be described later.

The bed main body 100 is formed so as to be shorter than the length of a conventional portable bed, and is provided so that the lower body portion of the user is in contact with the user when the user lies down or leans.

The pivoting rod 200 is provided to support the backrest part 300. The pair of pivoting rods 200 are hinged to one side of one side in the longitudinal direction of the bed main body 100, And is hinged to both sides of one side of the unit 300.

One end of the pivoting rod 200 is rotatably installed by the pivoting means while being connected to the bed main body 100. A plurality of engaging grooves 210 formed in one peripheral edge of the pivoting rod 200 to be engaged with the engaging grooves 210 to control the turning operation of the pivoting rod 200, And a pair of levers 212 and a lever connecting rod 215 which are hingedly coupled to both sides of the bed main body 100 and are rotatable.

According to the present invention, when the tilting rod 200 is at an angle of more than a vertical angle with respect to the bed main body 100, the number of the tilting grooves 210 is determined depending on the rotation angle of the tilting rod 200, And the coupling protrusion 213 is not caught at an angle within a vertical angle with respect to the bed main body 100. [

The lever 212 is fixed to the main body frame 110 by a fixing shaft 214.

The pivoting means may be provided on the inner side of the bracket so as not to be exposed to the outside so as to prevent a safety accident that may occur during use, and may be installed in a case or the like.

In this case, since the lever 212 is installed on both sides of the main body frame 110, the two levers are connected to each other to prevent the parts from being damaged due to twisting or the like, The lever connecting rod 215 is installed.

The lever connecting rod 215 is provided in an inner space formed by the main body frame 110. When the lever connecting rod 215 is installed, the two levers are simultaneously operated by connecting the levers 212 to each other, It is possible to operate the levers of both sides together, so that it can be used conveniently.

The backrest 300 is separated from the bed main body 100 and is horizontally disposed on one side of the bed main body 100 in accordance with the rotation of the tilting rod 200 to form a simple bed , And the upper body part (head, back part) of the user is supported on the backrest part 300 when used as a crib bed.

The other end of the rotating rod 200 is hingedly coupled to both sides of one side of the backrest 300, and is rotated clockwise and counterclockwise.

Specifically, the backrest 300 includes a back frame 310 of a rectangular or rectangular plate, a backrest mattress 320 provided to cover an upper portion of the backrest frame 310 when the backrest frame 310 is laid down to provide a cushion force, And a table plate 330 provided to cover the lower portion of the backrest frame 310 when the backrest frame 310 is laid down.

The backrest mattress 320 is provided to provide a cushion force to the backrest mattress 320 so that the backrest mattress 320 can rest comfortably when resting. The backrest mattress 320 supports the mattress and supports the backrest 300 ) Is used as a table, the upper surface of the table is formed.

When the backrest 300 is used as a table, pads are formed on the surface of the table plate 330 to prevent slippage of objects such as a book or a plate, Can be scratch processed.

Further, the edge portion of the table plate 330 may be formed with a step higher than the surface.

The backrest 300 of the present invention is connected to the main body frame 110 by the pivoting rod 200 and is rotated by the pivoting rod 200 which is pivotally operated by the lever 212, So that the angle is adjusted.

Accordingly, when the backrest 300 is simply used as a backrest instead of a table, the user adjusts the backrest 300 to be inclined so as to have a desired angle while rotating the backrest 300 clockwise, When used as a table, the backrest unit 300 may be rotated in a counterclockwise direction so that the table plate 330 may face the upper side.

FIGS. 6A and 6B illustrate a state in which the backrest is erected at a predetermined angle and used for a sofa. FIG. 7A and FIG. 7B illustrate a state in which the backrest is used as a chair by rotating the backrest on the upper surface of the mattress. 8A and 8B are views showing a state in which the backrest is rotated and used as a table.

The pivoting rod connecting rod 400 is provided to connect the two pivoting rods 200 to each other so that the two pivoting rods 200 are operated simultaneously to prevent the pivoting rods 200 from being warped, The backrest 300 is installed to support the backrest 300 while blocking the backward rotation of the backrest 300 while being in contact with the other bottom surface of the backrest 300 according to the position of the rotation restricting projection 500. [

Therefore, distortion of the backrest 300 is prevented during the adjustment of the angle of the backrest 300, thereby preventing breakage or damage of the pivoting rod and the like, as well as improving convenience in use due to smooth operation.

At this time, the pivoting rod connecting rod 400 is provided in contact with or not in contact with the other bottom surface of the backrest 300 according to the position of the rotation restricting projection 500.

When the pivot rod connecting rod 400 is in contact with the other side of the backrest 300, the backrest 300 supports the backrest 300, Clockwise rotation of the backrest 300 is prevented even if the clockwise rotation of the backrest 300 is not blocked.

Therefore, the reliability of the backrest 300 can be improved through the stable support of the backrest 300.

When the backrest 300 is horizontally provided on one side of the bed main body 100 to be used as a simple bed, any one of the tilting rod 200, the backrest 300 and the tilting rod connecting rod 400 And a downward restricting portion 600 is provided to limit the descent of the backrest 300. As shown in FIG.

3A and 1B of the accompanying drawings, the pivoting rod connecting rod 400 is shown to be seated and supported on the downward restricting portion 600, and FIGS. 12A and 12B show that the pivoting rod 200 is supported on the downward restricting portion 600 As shown in FIG.

The downward restricting portion 600 formed to support the pivoting rod connecting rod 400 will be described later. When the downward restricting portion 600 is formed to support the pivoting rod 200, And the groove 600 may be formed so as to protrude outward to support the pivoting rod 200, and the groove may be formed on the upper surface to insert a part of the pivoting rod 200.

The structure of the lowering restricting portion 600 configured to support the pivoting rod 200 is the same as or similar to the structure of the seating bracket 610 formed to support the pivoting rod connecting rod 400 shown in FIG. .

The lowering restricting portion 600 formed to support the pivoting rod connecting rod 400 may include a seating bracket 610 or a seating surface 620 as shown in FIGS. 5A and 5B.

The seating bracket 610 is formed to protrude from one side of the bed main body 100 and is provided with a shuttle bar seating groove 610 so as to be seated on the upper surface of the rotation rod connecting rod 400 612 are formed on the backrest 300 and support the pivot rod connecting rod 400 to stop the descending movement of the backrest 300 to maintain the horizontal position of the backrest 300 as it is.

When the seating surface 620 is formed of the seating surface 620, the seating surface 620 is formed at an upper surface of the support frame 160 to be described later so that the rotation rod connecting rod 400 is seated and supported.

In addition to forming the upper surface of the support frame 160 at an end, the seating surface 620 is formed by connecting another frame to one side of the support frame 160 so that the upper surface of the frame is formed as a seating surface, So that the connecting rod 400 is seated.

When the backrest 300 is horizontally disposed on one side of the bed main body 100 and the backrest 300 is used as a simple bed, the supporting frame 160 protrudes to be supported while being in contact with the other bottom surface of the backrest 300 Respectively.

It is possible to more reliably support the backrest 300 due to the installation of the support frame 160 and to prevent the components of the rotation rod connecting rod 400 and the rotation limiting protrusions 500 from being damaged .

The rotation restricting protrusions 500 protrude from both sides of the backrest 300 to restrain the rotation of the backrest 300 in a clockwise or counterclockwise direction, As shown in FIG.

The restricting of the backrest 300 in the clockwise direction is for restricting the turning operation of the backrest 300 so that the user can lean against the backrest 300 for use in the sofa use, The counterclockwise rotation restriction is for restricting the backrest 300 from further rotating at a certain angle when the backrest 300 is used as a table.

The rotation restricting projection 500 may be integrally formed with the backrest 300 or may be detachably coupled. The backrest 300 may be formed at a position where the backrest 300 can be leveled at a specific angle of the pivoting rod 200. When the backrest 300 is formed to be detachably coupled to the backrest 300, After two or more holes are formed so as to be coupled and fixed, the rotation angle of the tilting rod 200 may be adjusted according to the fixing position to match the level of the backrest 300.

At this time, the pivoting rod 200 is provided with a support piece 220 having a projection receiving groove 222 formed therein so that the rotation restricting projection 500 can be seated and supported when the rotation restricting projection 500 is caught.

By supporting the rotation restricting projection 500 while supporting the rotation restricting projection 500 due to the formation of the support piece 220, breakage of the rotation restricting projection 500 can be minimized, and reliability of use can be enhanced through stable support .

As shown in FIGS. 9 to 10B, the support legs 130 may be folded so that the support legs 130 are unfolded when used, and folded when not in use.

A leg bracket 150 is installed on the main body frame 100 for mounting the support leg 130.

9, a bracket shaft 151 (not shown) is attached to one side of the leg bracket 150, like a coupling structure of a support leg provided on the right side of the bed main body 100 of FIG. 9, And an arc-shaped bracket elongated hole 152 is formed on the other side of the bracket elongated hole 152. The first and second seating grooves 153 and 154 extend to the upper and lower ends of the bracket elongated hole 152, Respectively.

A leg hole 131 is formed in the support leg 130 in the longitudinal direction of the support leg so as to pass through the bracket shaft 151. The support leg 130 is inserted into the bracket elongate hole 152 and is moved on the bracket elongate hole 152 A leg shaft 132 is formed to be seated in the first seating groove 153 or the second seating groove 154.

The support leg 130 is folded or unfolded on the main body frame 110 while being rotated about the bracket shaft 151 that is inserted through the leg hole 130 to change the height of the bed main body 100 .

10A, when the support leg is folded side by side with the bed frame 100, the bracket shaft 151 is connected to the caster 140 at one side of the leg hole 131 located at a distance from the caster 140 And the leg shaft 132 is positioned at the lower end of the bracket elongate hole 152. [

In this state, if the height of the bed main body 100 is increased by lifting the support legs, the main body frame 110 is lifted upward and then the support legs 130 are pulled so that the second legs 154 132 and then the leg shaft 132 is moved upward through the bracket elongate hole 152 to be inserted into the first seating groove 153 to unfold the support leg. When the support legs are to be folded in a horizontal state, the reverse order of the above procedure may be used.

In order to reinforce the strength of the support leg 130 and effectively operate simultaneously, two support legs, which are rotated in the same direction among a total of four support legs provided on the main body frame 110, So that they can be rotated together.

A spring 170 may be installed between the support leg 130 and the bracket shaft 151 to apply an elastic force to the support leg 130 to facilitate the folding and unfolding operation of the support leg 130. [ have.

Therefore, when the support leg 130 is folded, the leg shaft 132 is inserted into the second seat groove 154 by the elastic force of the spring 170, thereby blocking the rotation of the support leg 130 The leg shaft 132 is inserted into the first seating groove 153 by the elastic force of the spring 170 to block the pivotal motion of the support leg 130 when the support leg 130 is unfolded.

A spring ring 133 is formed on the support leg 130 to install the spring 170 on the support leg 130. Also, the spring may be connected to the connection rod 180 without separately forming the spring ring.

The leg bracket installed near the one side edge of the bed main body 100 of the leg bracket installed on the main body frame 110 is formed integrally with the downward restricting part 600.

The leg bracket and the downward restricting portion may be formed separately from each other, but they may be formed as one bracket because their appearance is not so good, and one upper portion is used as a portion where the pivot rod connecting rod 400 is seated and supported, And can be used as a portion where the support leg is installed.

9, the support leg 130 may be formed to have a substantially U-shaped cross-sectional shape as shown in FIG. 9, And a support leg stopper 156 may be formed on the other side of the leg bracket 150 to restrict rotation of the support leg.

The position where the support leg stopper 156 is formed may be formed in consideration of the spreading angle of the support leg during the initial production because it determines the angle of spreading of the support leg. Of course, the support leg stopper 156 may not be integrally formed on the leg bracket 150, but may be separated or moved so that the support leg stopper 156 may be changed in its position to change the support angle of the support leg.

At this time, when the support leg is folded on the main body frame 110, the main frame 110 is provided with fixing means for fixing the support leg so that the support leg is not lowered due to its own weight.

The fixing means may be a magnetic body 190 mounted on the lower surface of the main body frame 110 so that the supporting leg 130 is attached to the lower surface of the main body frame 110. The supporting leg 130 may be formed of a metal material, A metal piece 137 is formed on the magnetic body 190 and is attached to the magnetic body 190.

The support legs may be designed to engage all the support legs with the support bracket in an engagement structure of one embodiment, or may be designed to engage with an engagement structure of another embodiment, and as shown in FIG. 9 of the accompanying drawings, It may be designed to combine the support legs in combination with the joint structure of one embodiment and another embodiment.

Here, the caster 140 is installed on the supporting legs. When the caster 140 is installed on all the supporting legs, there is a problem that the moving bed unexpectedly moves during use.

Therefore, when the support leg is unfolded and used, it is preferable that the rotation of the caster 140 is blocked so as not to move. To this end, the casters provided on one side of the bed main body 100, . Of course, all casters can also be used as casters with locking means.

Also, in the case of using a castor not provided with a locking device, as shown in Fig. 10B of the accompanying drawings, it is possible to lock and use the castor so as not to rotate.

A shaft coupling hole 135 through which the caster shaft 141 of the caster 140 is inserted is formed at an end of the support leg 130 in order to restrict the rotation of the caster, The caster shaft 141 is formed on the upper side of the shaft coupling hole 135 in the vicinity of the shaft coupling hole 135 so that the caster is in contact with the rotation limiting stopper 136 Is formed.

The caster shaft 141 is moved to the upper portion of the shaft coupling hole 135 by the own weight of the bed main body 100 and the caster 140 is also moved along with the caster shaft 141, The outer surface of the main body 140 is in contact with the rotation restricting stopper 136. In this state, even if the user pushes the bed main body 100 in one direction, it is not smoothly pushed.

According to the present invention configured as described above, when the bed is used as a simple bed, the backrest 300 can be used in a state where the backrest 300 is lowered to have the same height as the bed body 100 (see FIG. 4) The backrest 300 is adjusted to a desired angle so that the backrest 300 can be supported by the backrest of the sofa (refer to FIGS. 6A and 6B).

In the case of reading, eating, or using a notebook computer, the backrest 300 may be rotated so as to face the upper portion of the table 330 to be used as a table (see FIGS. 8A and 8B) The backrest unit 300 can be used while being inclined so that the backrest unit 300 is moved to the upper surface of the mattress of the bed body 100 7a and 7b).

As described above, the present invention can be used not only for sleeping but also for resting and other tasks conveniently.

In addition, the present invention can reduce the overall volume of the bed by folding the backrest and the supporting leg, thereby facilitating the movement of the bed and facilitating storage of the bed.

Particularly, since the rollaway bed can be laid down or stored, it can be stored effectively in accordance with the space of the storage place.

100: bed main body 110: main frame
120: mattress 130: support leg
131: leg hole 132: leg shaft
133: spring ring 135: shaft coupling hole
136: rotation restricting stopper 137: metal piece
140: Caster 141: Caster shaft
150: leg bracket 151, 155: bracket shaft
152: bracket long hole 153: first seat groove
154: second seating groove 156: support leg stopper
160: support frame 170: spring
180: connection rod 190: magnetic body
200: tilt rod 210:
212: Lever 213: Coupling protrusion
214: fixed shaft 215: lever connecting rod
220: support piece 222: projection seating groove
300: backrest part 310: backrest frame
320: Backrest mattress 330: Table plate
400: Rotating rod connecting rod 500: Rotation restricting projection
600: lowering restricting portion 610: seating bracket
612: shut-off bar seat groove 620: seat face

Claims (15)

A bed main body 100 provided with a mattress 120 at an upper portion thereof and a supporting leg 130 at a lower portion thereof and spaced apart from the ground;
A pair of tilting rods 200 hinged to one side of one side in the lengthwise direction of the bed main body 100 and rotatable by pivoting means,
A backrest 300 hinged to one side of the other end of the pivoting rod 200 to rotate clockwise and counterclockwise and to support a user's upper body,
A rotating rod connecting rod 400 connecting the pair of pivoting rods 200 to each other so that the pivoting rods 200 are operated simultaneously,
A rotation restricting protrusion 500 protruding from both sides of the backrest 300 to limit the rotation of the backrest 300 in a clockwise or counterclockwise direction at a predetermined angle,
When the backrest 300 is laid down on one side of the bed main body 100, any one of the pivoting rod 200, the backrest part 300 and the pivoting rod connecting rod 400 is seated and supported on the upper part, And a lowering restricting part (600) for restricting the downward movement of the part (300).
The method according to claim 1,
The pivoting means includes a plurality of engaging grooves 210 formed in one peripheral edge of the pivoting rod 200 and a plurality of engaging protrusions 210 at one side for controlling the turning operation of the pivoting rod 200, And a lever connecting rod 215 connecting the pair of levers 212 to each other so as to be hinged to both sides of the bed main body 100. The lever connecting rods 215 And a multifunctional cradle.
The method according to claim 1,
The backrest 300 includes a back frame 310 of a rectangular or square plate and a backrest mattress 320 provided to cover the top of the backrest frame 310 when the backrest frame 310 is laid down to provide cushioning force, And a table plate (330) configured to cover the lower portion when the frame (310) is laid down and forming the upper surface of the table when the backrest portion (300) is rotated in the counterclockwise direction.
The method according to claim 1,
The pivoting rod 200 is provided with a support piece 220 having a projection receiving groove 222 formed therein to support the rotation limiting projection 500 when the backrest part 300 is rotated counterclockwise, A multi-functional crib which is characterized by being installed.
The method according to claim 1,
The pivoting rod connecting rod 400 is provided below the other side of the backrest 300 and is provided in contact with or not in contact with the other bottom surface of the backrest 300 according to the position of the pivoting restricting projection 500,
And supports the backrest part (300) when it contacts the other side of the backrest part (300), thereby blocking the clockwise rotation of the backrest part (300).
The method according to claim 1,
The lowering restricting portion 600 is protruded from one side edge of the bed main body 100 and has a seating bracket 610 formed with a rod seating groove 612 for receiving the rotating rod connecting rod 400 thereon, Wherein the multi-functional crib is characterized by being a multi-functional crib.
The method according to claim 1,
Wherein the support frame (160) is protruded from one side of the bed body (100) so that the back side of the backrest (300) is supported while being contacted with the other side of the backrest (300) .
8. The method of claim 7,
The lowering restricting portion 600 is a seating surface 620 formed at an upper surface of the support frame 160 or at one side of the support frame 160 to support the pivoting rod connecting rod 400. Multifunctional rollaway bed.
The method according to claim 1,
The support leg 130 is pivotally mounted on the leg bracket 150 formed on the bed main body 100 and is folded or unfolded on the bed main body 100,
A bracket shaft 151 is formed on one side of the leg bracket 150 and a bracket elongated hole 152 and a bracket elongate hole 152 are formed on the other side of the leg bracket 150, 152 and a second seating groove 154 in which a leg shaft 132 is inserted and seated is formed on the support leg 130. The bracket shaft 151 The bracket 110 is inserted into the bracket elongated hole 152 at a position spaced apart from the leg hole 131 and is moved on the bracket elongated hole 152, Characterized in that a leg shaft (132) is seated in the seating groove (153) or the second seating groove (154).
10. The method of claim 9,
Wherein a spring (160) is provided between the support leg (130) and the bracket shaft (151) to apply an elastic force to the support leg (130).
10. The method of claim 9,
Characterized in that the leg bracket installed near one side edge of the bed main body (100) of the leg bracket is formed integrally with the downward restricting portion (600).
The method according to claim 1,
The support leg 130 is coupled to one side of a leg bracket 150 formed on the bed main body 100 by a bracket shaft 155 so as to be pivoted and folded or unfolded on the bed main body 100,
A support leg stopper 156 is formed on the other side of the leg bracket 150 to restrict the rotation of the support leg 130 and the support leg 130 is attached to the body frame 110 of the bed body 100 Characterized in that a fixing means is provided to fix the support leg when the main frame (110) is folded.
The method according to claim 9 or 12,
A caster (140) is provided at an end of two or more support legs of the support leg,
Wherein the two support legs of the support legs 130, which are rotated in the same direction, are connected to each other by the connection rod 180 and rotated together.
14. The method of claim 13,
A caster shaft 141 of the caster 140 is inserted into an end of the support leg 130 and a shaft coupling hole 135 is formed in a rectangular shape so as to be movable up and down. Characterized in that a rotation restricting stopper (136) is formed such that when the caster shaft (141) is positioned on one side of the shaft engagement hole (135), the caster (140) is contacted and its rotation is restricted.
13. The method of claim 12,
The fixing means is a magnetic body 190 provided with a support leg 130 attached to the lower surface of the main body frame 110,
Wherein the support leg (130) is formed of a metal material or a metal piece (137) is formed at a portion facing the magnetic body (190).

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