CN220734920U - Combined bed - Google Patents

Abstract

The utility model belongs to the technical field of household, and discloses a combined bed which comprises an adult bed, a baby bed and an electric sliding rail, wherein the electric sliding rail extends along the width direction of the adult bed, the fixed end of the electric sliding rail is connected with the bottom of the adult bed, the sliding end of the electric sliding rail is detachably connected with the baby bed, the electric sliding rail can drive a baby bed body to do sliding motion along the width direction of a baby bed board, so that the baby bed can be stored at the bottom of the adult bed or move to the side of the adult bed, when the baby bed needs to be used, the baby bed only needs to be started to slide out, and the baby bed only needs to be stored to be started to slide into the bottom of the adult bed, and meanwhile, the baby bed can be detached for independent use or used for storage, so that the operation is simple and convenient, and meanwhile, the space utilization can be effectively improved.

Description

Combined bed

Technical Field

The utility model relates to the technical field of home furnishing, in particular to a combined bed.

Background

The bed is an article for daily use which is necessary for people in daily life, but the common bed only has a single sleeping function and cannot realize the functions of multifunction and storage. With the development of socioeconomic performance, urban population increases, and small-sized houses are becoming more choices, and if a bed with only sleeping functions is placed, space utilization is insufficient.

The existing beds or storage beds with certain functions can not meet the demands of consumers, especially for families with infants, because the housing space is narrow and the space for placing the infant beds is not available, and inconvenience is brought to life.

Thus, there is a need for a combination bed to address the above problems.

Disclosure of Invention

One object of the present utility model is to:

the utility model provides a combination bed can be nimble place the crib in the bed bottom or the side of adult bed to take into account the demand of accomodating the crib and being convenient for take care of the baby, and the crib can dismantle with the exclusive use, and is used for accomodating the space of placing of adult bed bottom, effectively improves space utilization.

To achieve the purpose, the utility model adopts the following technical scheme:

a combination bed, comprising: adult's bed, crib and electric slide rail, electric slide rail is followed the width direction of adult's bed extends, electric slide rail's stiff end is connected the bottom of adult's bed, electric slide rail's active end with the crib can dismantle the connection, electric slide rail can drive the crib body is followed the width direction of adult's bed board slides, so that the crib can accomodate in the bottom of adult's bed or remove to the side of adult's bed.

Preferably, the baby crib further comprises a connecting block, wherein the connecting block is arranged between the baby crib and the electric sliding rails, at least two electric sliding rails are arranged along the length direction of the adult crib at intervals, each electric sliding rail is provided with a sliding block which slides along the electric sliding rail, one end of the connecting block is connected with the sliding block, the other end of the connecting block is connected with the baby crib, and the connecting block is detachably connected with the sliding block and/or the baby crib.

Preferably, the connecting block is detachably connected with the crib through a buckle structure.

Preferably, the crib comprises a bed body, the bed body comprises a bed board and a guardrail assembly, the guardrail assembly is wound on the periphery of the bed board and higher than the bed board, the guardrail assembly comprises a fixed guardrail and a telescopic guardrail, the fixed guardrail is connected with the bed board, the telescopic guardrail is in sliding connection with the fixed guardrail, and the telescopic guardrail can slide along the vertical direction.

Preferably, the fixed guardrail is provided with a telescopic installation groove with an upward opening, the telescopic guardrail is installed in the telescopic installation groove, the telescopic guardrail can slide along the height direction of the fixed guardrail, and the telescopic guardrail is not higher than the upper end opening of the telescopic installation groove when the telescopic guardrail is retracted.

Preferably, the guardrail assembly further comprises a lifting driving piece, wherein the lifting driving piece is in transmission connection with the telescopic guardrail, and the lifting driving piece can drive the telescopic guardrail to lift.

Preferably, the crib further comprises a supporting component, the supporting component comprises a first supporting plate, at least four supporting rods and at least four casters, the first supporting plate is arranged under the bed plate, the first supporting plate is used for supporting the bed body, the supporting rods are arranged at four corners of the first supporting plate, one ends of the supporting rods are connected with the first supporting plate, the other ends of the supporting rods are connected with the casters, and the casters are in butt joint with the ground and can slide on the ground.

Preferably, a lifting mechanism is arranged between the bed body and the supporting component, the lifting mechanism comprises a second supporting plate and a linear driving piece, the linear driving piece is fixedly installed at the top of the first supporting plate, the output end of the linear driving piece is vertically upwards arranged, the output end of the linear driving piece is connected with the bottom surface of the second supporting plate, and the bed body is installed on the top surface of the second supporting plate.

Preferably, at least two guide mechanisms are arranged between the first support plate and the second support plate, each guide mechanism comprises a guide rod and a guide sleeve, each guide sleeve is fixedly connected with the first support plate, one end of each guide rod is connected with the second support plate, and the other end of each guide rod penetrates through each guide sleeve in the vertical direction.

Preferably, the crib further comprises a rotating mechanism, the rotating mechanism is arranged between the crib body and the supporting component, the rotating mechanism comprises a rotating driving piece and a gear transmission component, the output end of the rotating driving piece is in transmission connection with the input end of the gear transmission component, the output end of the gear transmission component is in transmission connection with the crib body, and the rotating driving piece can drive the crib body to rotate around the vertical direction through the gear transmission component.

The utility model has the beneficial effects that:

the utility model provides a combined bed, wherein a baby bed containing space is reserved at the bottom of an adult bed, so that the baby bed can be contained at the bottom of the adult bed, meanwhile, the bottom of the adult bed is provided with an electric sliding rail, and the electric sliding rail can drive the baby bed to slide along the width direction of the adult bed, so that the baby bed can be contained at the bottom of the adult bed or pushed to the side of the adult bed; in order to further improve the space utilization, the crib is detachably connected with the electric sliding rail, the crib can be detached for independent use, and the storage space of the bottom of the adult crib after the crib is detached can be used for storing other objects.

Drawings

The utility model is described in further detail below with reference to the drawings and examples;

FIG. 1 is an isometric view of a combination bed;

FIG. 2 is a cross-sectional view of a combination bed;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a top view of the combination bed;

fig. 5 is an enlarged view of a portion B in fig. 4.

In the figure:

1. baby crib; 2. an adult bed; 3. an electric slide rail; 4. a connecting block; 5. a buckle structure; 51. a clamping block; 52. a clamping groove; 31. a slide block; 10. a bed body; 11. fixing the guard rail; 111. a telescopic mounting groove; 12. a telescopic guardrail; 121. a support sheet; 122. guard bar; 123. a nut; 124. a screw rod; 125. a first motor lifting driving member; 126. guard rail cross bars; 13. a bed board; 14. a support assembly; 141. a first support plate; 142. a support rod; 143. casters; 15. a lifting mechanism; 151. a second support plate; 152. a linear driving member; 153. a guide rod; 154. a guide sleeve; 16. a rotating mechanism; 161. a first gear; 162. a second gear; 163. the driving member is rotated.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

The utility model provides a combined bed, which comprises an adult bed 2, a baby bed 1 and an electric sliding rail 3, wherein the baby bed 1 can be contained at the bottom of the adult bed 2 or can be moved to the side of the adult bed 2. As shown in fig. 1 to 5, the electric slide rail 3 extends along the width direction of the adult bed 2, the fixed end of the electric slide rail 3 is connected with the bottom of the adult bed 2, the movable end of the electric slide rail 3 is detachably connected with the infant bed 1, and the electric slide rail 3 can drive the infant bed 1 to slide along the width direction of the adult bed 2. The connection block 4 is exemplarily disposed between the electric sliding rail 3 and the crib 1, the electric sliding rail 3 is provided with a sliding block 31 slidably disposed along an extending direction thereof, one end of the connection block 4 is connected with the sliding block 31, the other end is connected with the crib 1, and in particular, the connection block 4 is detachably connected with the sliding block 31 and/or the crib 1.

In this embodiment, one end of the connecting block 4 is connected with the sliding block 31, the other end of the connecting block 4 is detachably connected with the crib 1 through the fastening structure 5, as shown in fig. 4 and 5, the fastening structure 5 comprises a clamping block 51 and a clamping groove 52 with an upward opening and capable of being used for embedding the clamping block 51, a yielding gap for allowing the clamping block 51 to pass through is formed in one side of the outer end of the clamping groove 52, one end of the clamping block 51 is connected with the crib 1, the other end of the clamping block can slide into the clamping groove 52 from top to bottom, when the crib 1 is connected with the connecting block 4 through the fastening structure 5, the height of the crib 1 is lower than the height of the bottom of the adult bed 2, the electric sliding rail 3 drives the connecting block 4 to slide along the electric sliding rail 3, the connecting block 4 pulls or pushes the crib 1 to move to the bottom of the adult bed 2 or the side of the adult bed 2, and when the crib 1 needs to be dismounted or the adult bed 2 is separated from the adult bed 1, the crib 1 and the adult bed 2 can be separated only by lifting the crib 1. After the crib 1 is disassembled, the bottom space of the adult bed 2 is also used as a storage space.

Illustratively, at least two electric sliding rails 3 are disposed at intervals along the length direction of the adult bed 2, each electric sliding rail 3 is provided with a sliding block 31 slidably disposed along the extending direction of the electric sliding rail 3, and two or more electric sliding rails 3 disposed in parallel ensure that the infant bed 1 can move along the electric sliding rails 3, so that the sliding blocks 31 are prevented from being deviated in the moving process and the electric sliding rails 3 are prevented from being blocked or worn by the electric sliding rails 3, and the service life of the electric sliding rails 3 is prolonged.

As shown in fig. 1 to 3, the crib 1 comprises a crib body 10, a lifting mechanism 15, a supporting component 14 and a rotating mechanism 16, wherein the crib body 10 comprises a bed plate 13 and a guardrail component, the guardrail component is wound on the periphery of the bed plate 13 and is higher than the bed plate 13, and the guardrail component can prevent a baby from falling from the crib 1 or climbing out of the crib 1, so that the crib 1 plays a role in protecting the baby; the support component 14 is arranged at the bottom of the crib 1 and is used for supporting the crib 1; the lifting mechanism 15 is arranged between the bed body 10 and the supporting component 14, and can push the bed body 10 to ascend or descend so as to adjust the height of the crib 1, thereby facilitating the care of adults; the rotating mechanism 16 can drive the bed body 10 to slightly rotate, and the slight shaking can accelerate the infant to fall asleep so as to realize the function of sleeping.

As shown in fig. 1 to 3, the guardrail assembly includes a fixed guardrail 11 and a telescopic guardrail 12, the fixed guardrail 11 is fixedly connected with the bed plate 13, the telescopic guardrail 12 is slidably connected with the fixed guardrail 11, and the telescopic guardrail 12 can slide along the vertical direction. Illustratively, the fixed rail 11 is provided with a telescopic mounting groove 111 with an opening facing upwards, the telescopic rail 12 is mounted in the telescopic mounting groove 111, the telescopic rail 12 can slide along the height direction of the fixed rail 11, and the telescopic rail 12 is not higher than the upper end opening of the telescopic mounting groove 111 when the telescopic rail 12 is retracted. The telescopic guardrail 12 can be on the basis of the fixed guardrail 11, the height of the guardrail assembly is increased, the protective capability of the guardrail assembly is further improved, and meanwhile, the telescopic guardrail 12 is hidden in the fixed guardrail 11 when being retracted and telescopic, so that the telescopic guardrail is neat and attractive.

Illustratively, an opening is provided on a side of the telescopic rail 12 facing the adult bed 2, and when the crib 1 moves to the side of the adult bed 2, the telescopic rail 12 extends out of the telescopic mounting groove 111 to increase the height of the rail assembly, and an adult can visit into the crib 1 through the opening of the telescopic rail 12 to take care of the baby.

In other embodiments, the telescopic rail 12 may be slidably mounted inside the fixed rail 11 or slidably connected to the outer periphery of the fixed rail 11.

As shown in fig. 3, the guardrail assembly further includes a telescopic driving member, which is in transmission connection with the telescopic guardrail 12, and is capable of driving the telescopic guardrail 12 to lift. In this embodiment, the bottom of flexible guardrail 12 is equipped with two at least installation through-holes, each installation through-hole corresponds installation nut 123, the bottom of flexible guardrail 12 is located to nut 123 and passes through mode fixed connection such as welding, riveting or bonding with flexible guardrail 12, every nut 123 one-to-one is provided with lead screw 124 and first motor, lead screw 124 is connected with the output of first motor, lead screw 124 vertical setting and with nut 123 threaded connection, first motor drive lead screw 124 rotates, with drive nut 123 moves along vertical direction, thereby drive flexible guardrail 12 and lift along vertical direction, the transmission structure that comprises lead screw 124 and nut 123 is equipped with two at least, guarantee that flexible guardrail 12 goes up and down the in-process keeps vertical direction to go up and down, the top of lead screw 124 is not higher than flexible mounting groove 111 simultaneously, in order to guarantee that the bulk height of crib 1 is not higher than adult bed 2's bottom, can accomodate in adult bed 2.

In other embodiments, a driving member capable of directly driving the telescopic fence 12 to be lifted in the vertical direction, such as a cylinder, a linear motor, or the like, may be employed as the telescopic driving member.

As shown in fig. 1 to 3, the telescopic guardrail 12 includes a supporting plate 121 and a plurality of guardrail bars 122, the supporting plate 121 is arranged at the bottom of the telescopic installation groove 111, a plurality of guardrail bars 122 are vertically arranged at the top of the supporting plate 121 at intervals, the guardrail bars 122 are fixedly connected with the supporting plate 121 in a manner of welding, bonding or threaded connection and the like, preferably, the telescopic guardrail 12 further includes a guardrail cross bar 126 arranged at the top of the telescopic guardrail 12, the guardrail cross bar 126 is parallel to the supporting plate 121, the guardrail cross bar 126 is connected with the plurality of guardrail bars 122, the guardrail bars 122 are arranged between the guardrail cross bar 126 and the supporting plate 121, and the guardrail cross bar 126 can effectively improve the structural stability of the telescopic guardrail 12, thereby improving the safety of the crib 1.

Illustratively, the guardrail bar 122 and the guardrail cross bar 126 are made of hollow steel pipes, so that on one hand, the manufacturing cost is reduced, and on the other hand, the dead weight of the telescopic guardrail 12 can be reduced, and the energy consumed in the lifting process of the telescopic guardrail 12 is reduced. Preferably, the guardrail bar 122 and the guardrail cross bar 126 are of round bar structures, so that the infants are prevented from being injured due to collision with the guardrail bar 122, and the protection effect of the guardrail assembly is further improved.

As shown in fig. 1 to 3, the support assembly 14 includes a first support plate 141, four support rods 142 and four casters 143, the first support plate 141 is disposed directly under the bed board 13, the first support plate 141 is used for supporting the bed body 10, the support rods 142 are disposed at four corners of the first support plate 141, one end of each support rod 142 is connected with the first support plate 141, the other end of each support rod 142 is connected with a caster 143, and the casters 143 are abutted to the ground and can slide on the ground. The truckle 143 can effectively reduce the frictional force that crib 1 removes the in-process and receives, makes things convenient for crib 1 to remove along electronic slide rail 3, and can not cause wearing and tearing to the bottom plate, also can lightly remove crib 1 under the circumstances that the frictional force increases that the carpet was laid on indoor ground.

In other embodiments, five, six or more support bars 142 and casters 143 may be provided to further enhance the structural stability of support assembly 14.

As shown in fig. 1 to 3, the lifting mechanism 15 is disposed between the bed body 10 and the support assembly 14, the lifting mechanism 15 includes a second support plate 151 and a linear driving member 152, the linear driving member 152 is fixedly mounted on the top of the first support plate 141, the output end of the linear driving member 152 is vertically disposed upwards, the output end of the linear driving member 152 is connected with the ground of the second support plate 151, and the bed body 10 is mounted on the top surface of the second support plate 151. The lifting mechanism 15 pushes the second supporting plate 151 to move upwards through the linear driving member 152, that is, the linear driving member 152 pushes the bed body 10 to move upwards, so as to adjust the height between the bed body 10 and the ground. The connecting block 4 is detachably connected with the bed body 10, when the bed body 10 moves upwards, the clamping block 51 is separated from the clamping groove 52, the crib 1 can be moved to a required position at any side of the adult bed 2, and when the bed body 10 moves to be flush with the bed board 13 of the adult bed 2, the adult can take care of the baby more, namely, the crib 1 can be adjusted to the required position and height, so that the adult can take care of the baby conveniently, and the use experience of a user is improved.

For example, the linear driving member 152 may implement a linear motion function using a linear motor or a cylinder.

Illustratively, four guide mechanisms are disposed between the first support plate 141 and the second support plate 151, each guide mechanism includes a guide rod 153 and a guide sleeve 154, the guide sleeve 154 is fixedly connected with the first support plate 141, one end of the guide rod 153 is connected with the second support plate 151, and the other end of the guide rod 153 is vertically penetrated with the guide sleeve 154. Because the baby can move when sleeping on the bed board 13, the gravity center of the bed body 10 is also changed along with the movement of the baby or different sleeping positions, the change of the gravity center of the bed body 10 easily leads to the inclination of the bed body 10, so that the linear driving piece 152 is blocked or damaged, meanwhile, the instability of the bed body 10 also affects the sleeping quality of the baby, the guiding mechanism can avoid the inclination of the bed body 10 caused by the change of the gravity center of the bed body 10, the stability of the bed body 10 is ensured, the blocking or damage of the linear driving piece 152 caused by the inclination of the bed body 10 is avoided, and the service life of the linear driving piece 152 is prolonged.

In other embodiments, two, three or more than four guide mechanisms may be provided.

As shown in fig. 1 to 3, the rotating mechanism 16 is disposed between the bed body 10 and the supporting assembly 14, the rotating mechanism 16 includes a rotation driving member 163 and a gear transmission assembly, the gear transmission assembly is composed of a first gear 161 and a second gear 162, the first gear 161 is connected with the bed body 10, the second gear 162 is meshed with the first gear 161, the diameter of the first gear 161 is larger than that of the second gear 162, the rotation driving member 163 is fixedly mounted on the top of the first supporting plate 141, the output end of the rotation driving member 163 is disposed through the second supporting plate 151 and connected with the second gear 162, the rotation driving member 163 can drive the second gear 162 to rotate around the vertical direction, the second gear 162 transmits rotation to the first gear 161 through meshed connection, and the first gear 161 drives the bed body 10 to rotate around the vertical direction. The rotation driving member 163 is a positive and negative motor, and the rotation driving member 163 drives the second gear 162 to reciprocate clockwise or counterclockwise, and the first gear 161 is larger than the second gear 162, so that the rotation speed of the first gear 161 is lower than that of the second gear 162, the faster rotation speed of the rotation driving member 163 is converted into the slower rotation speed of the bed 10 through the gear transmission, and the second gear 162 reciprocates clockwise or counterclockwise to drive the first gear 161 to rotate clockwise or counterclockwise by a small margin, i.e. the bed 10 swings by a small margin, so as to achieve the purpose of sleeping.

Illustratively, the combined bed further comprises a control member (not shown in the figure), the electric slide rail 3, the first motor, the linear driving member 152 and the rotation driving member 163 are in signal connection with the control member, and the control member is capable of controlling the movement of the crib 1, the lifting of the telescopic guardrail 12, the lifting of the bed body 10 and the rotation of the bed body 10, so that a user can operate various functions of the combined bed by operating the control member. Preferably, the control member may implement control of the electric slide rail 3, the first motor, the linear driving member 152 and the rotation driving member 163 in a remote control manner.

Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (9)

1. A combination bed, comprising: the baby crib comprises an adult crib (2), a baby crib (1) and an electric sliding rail (3), wherein the electric sliding rail (3) extends along the width direction of the adult crib (2), the fixed end of the electric sliding rail (3) is connected with the bottom of the adult crib (2), the movable end of the electric sliding rail (3) is detachably connected with the baby crib (1), and the electric sliding rail (3) can drive the baby crib (1) to slide along the width direction of the adult crib (2), so that the baby crib (1) can be contained in the bottom of the adult crib (2) or can be moved to the side of the adult crib (2);

the combined bed further comprises a connecting block (4), wherein the connecting block (4) is arranged between the crib (1) and the electric sliding rail (3), sliding blocks (31) which are arranged in a sliding mode along the extending direction of the electric sliding rail (3) are arranged on the electric sliding rail (3), one end of the connecting block (4) is connected with the sliding blocks (31), the other end of the connecting block is connected with the crib (1), and the connecting block (4) is detachably connected with the sliding blocks (31) and/or the crib (1).

2. Combination bed according to claim 1, wherein the connection block (4) is detachably connected to the crib (1) by means of a snap-in structure (5).

3. The combination bed according to claim 1, wherein the crib (1) comprises a bed body (10), the bed body (10) comprises a bed plate (13) and a guardrail assembly, the guardrail assembly is wound on the periphery of the bed plate (13) and is higher than the bed plate (13), the guardrail assembly comprises a fixed guardrail (11) and a telescopic guardrail (12), the fixed guardrail (11) is connected with the bed plate (13), the telescopic guardrail (12) is in sliding connection with the fixed guardrail (11), and the telescopic guardrail (12) can slide along the vertical direction.

4. A combination bed according to claim 3, wherein the fixed rail (11) is provided with a telescopic mounting groove (111) with an upward opening, the telescopic rail (12) is mounted in the telescopic mounting groove (111), the telescopic rail (12) can slide along the height direction of the fixed rail (11), and the telescopic rail (12) is not higher than the upper opening of the telescopic mounting groove (111) when the telescopic rail (12) is retracted.

5. The combination bed of claim 4, wherein the guardrail assembly further comprises a lift drive in driving connection with the telescoping guardrail (12), the lift drive being capable of driving the telescoping guardrail (12) up and down.

6. A combination bed according to claim 3, wherein the crib (1) further comprises a support assembly (14), the support assembly (14) comprises a first support plate (141), at least four support rods (142) and at least four casters (143), the first support plate (141) is arranged right below the bed plate (13), the first support plate (141) is used for supporting the bed body (10), the support rods (142) are arranged at four corners of the first support plate (141), one end of each support rod (142) is connected with the first support plate (141), the other end of each support rod (142) is connected with each caster (143), and each caster (143) is in butt joint with the ground and can slide on the ground.

7. The combination bed according to claim 6, wherein a lifting mechanism (15) is arranged between the bed body (10) and the supporting component (14), the lifting mechanism (15) comprises a second supporting plate (151) and a linear driving piece (152), the linear driving piece (152) is fixedly installed at the top of the first supporting plate (141) and the output end of the linear driving piece (152) is vertically upwards arranged, the output end of the linear driving piece (152) is connected with the bottom surface of the second supporting plate (151), and the bed body (10) is installed on the top surface of the second supporting plate (151).

8. The combination bed according to claim 7, wherein at least two guiding mechanisms are arranged between the first supporting plate (141) and the second supporting plate (151), the guiding mechanisms comprise a guiding rod (153) and a guiding sleeve (154), the guiding sleeve (154) is fixedly connected with the first supporting plate (141), one end of the guiding rod (153) is connected with the second supporting plate (151), and the other end of the guiding rod (153) penetrates through the guiding sleeve (154) along the vertical direction.

9. The combination cot according to claim 6, wherein the crib (1) further comprises a rotating mechanism (16), the rotating mechanism (16) is arranged between the cot body (10) and the supporting component (14), the rotating mechanism (16) comprises a rotating driving piece (163) and a gear transmission component, an output end of the rotating driving piece (163) is in transmission connection with an input end of the gear transmission component, an output end of the gear transmission component is in transmission connection with the cot body (10), and the rotating driving piece (163) can drive the cot body (10) to rotate around the vertical direction through the gear transmission component.