CN214341303U - Bed with tiltable backrest - Google Patents

Abstract

The utility model belongs to the technical field of furniture and discloses a bed with an inclinable backrest, which comprises a mattress, a bedstead component and a backrest component, wherein the bedstead component comprises a first bedstead and a second bedstead; the backrest assembly comprises a first backrest and a second backrest, the first backrest is hinged to the first bedstead, the second backrest is hinged to the second bedstead, and the first backrest is hinged to the second backrest. The first bed frame can slide on the second bed frame to enable the first backrest to be close to or far away from the second backrest, and when the first backrest is close to the second backrest, the backrest assembly is in a vertical state; when the first backrest is far away from the second backrest, the backrest assembly is in an inclined state, and then diversified requirements of users can be met.

Description

Bed with tiltable backrest

Technical Field

The utility model relates to the technical field of furniture, especially, relate to a bed that back is tiltable.

Background

The bed is generally used in places such as bedrooms, dormitories, wards, hotels and the like, is usually used for meeting the daily sleeping requirements of human beings, and has higher and higher requirements on the bed along with the increasing improvement of the life quality of people. In the prior bed on the market, the backrest is generally fixedly arranged, and when the rest posture of a user is switched between the leaning posture and the lying posture, the backrest cannot be switched therewith, so that the diversified requirements of the user cannot be met.

Based on the above situation, it is desired to design a bed with a tiltable backrest to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the utility model provides a bed that back is tiltable can switch the form of back subassembly, and then has satisfied user's diversified demand.

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

a bed with a tiltable backrest, comprising:

a mattress;

the bed frame assembly comprises a first bed frame and a second bed frame, the first bed frame is arranged on the second bed frame in a sliding mode, and the mattress is placed on one side, far away from the second bed frame, of the first bed frame;

a backrest assembly including a first backrest hinged to the first frame and a second backrest hinged to the second frame, the first backrest being hinged to the second backrest, the first frame being slidable on the second frame to bring the first backrest closer to or farther from the second backrest.

Preferably, the second frame comprises a support block and a frame body, the support block is fixed on the frame body, and the second backrest is hinged on the support block.

Preferably, the upper end surface of the supporting block is flush with the upper end surface of the first bed frame, and the heights of the first backrest and the second backrest are equal.

Preferably, a first limit block is arranged between the first backrest and/or the second backrest and the second bed frame, and the first limit block can limit the first backrest and/or the second backrest from rotating.

As a preferable scheme, the first limit blocks are arranged into at least two blocks with different heights, and at least two of the first limit blocks are detachably fixed on the second bed frame.

Preferably, the bed further comprises a cushion, the cushion covering the backrest module.

Preferably, a T-shaped groove is formed in the second bed frame, and a sliding member is arranged on the first bed frame and is slidably arranged in the T-shaped groove.

As a preferable scheme, a second limiting block is arranged at the bottom of the T-shaped groove, and the difference between the depth of the main groove of the T-shaped groove and the height of the second limiting block is greater than the height of the sliding member.

As a preferable aspect, the bed further comprises a linear driving mechanism, the linear driving mechanism comprising:

a drive mounted on the second bed frame;

the gear is connected to the output end of the driving part in a transmission mode, the rack is meshed with the gear, the rack is fixed on the first bedstead, and the extending direction of the rack is the sliding direction of the first bedstead.

Preferably, a pressure sensor is arranged on the sensing surface of the first backrest or the second backrest, and the pressure sensor is in communication connection with the driving member.

The utility model has the advantages that: providing a bed with a tiltable backrest, wherein when a first bed frame slides on a second bed frame to enable a first backrest to be close to a second backrest, a backrest assembly is switched from a tilting state to an upright state; when first bedstead slides on the second bedstead and makes first back keep away from the second back, the back subassembly is switched into the tilt state by vertical state, has realized the form switching of back subassembly, and then has satisfied user's diversified demand.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

FIG. 1 is a cross-sectional view of a bed according to an embodiment with a backrest assembly in an upright position;

FIG. 2 is a top plan view of the bed shown in FIG. 1;

FIG. 3 is a cross-sectional view of the bed of the embodiment with the backrest assembly in a reclined position;

FIG. 4 is a side view of the bed shown in FIG. 1;

fig. 5 is a partially enlarged view of a portion a shown in fig. 4.

In fig. 1 to 5:

1. a mattress;

2. a bed frame assembly; 21. a first bed frame; 211. a sliding member; 212. fixing grooves; 22. a second bed frame; 221. a support block; 222. a bed frame main body; 2221. a T-shaped groove; 22211. a main tank; 22212. a secondary groove; 2222. a second limiting block;

3. a backrest assembly; 31. a first backrest; 311. a sensing surface; 32. a second backrest; 33. a first stopper;

4. a soft cushion;

5. a linear drive mechanism; 51. a drive member; 52. a gear; 53. a rack.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, fig. 2 and fig. 3, the present embodiment provides a bed with a tiltable backrest, which comprises a mattress 1, a bed frame assembly 2 and a backrest assembly 3, wherein the bed frame assembly 2 comprises a first bed frame 21 and a second bed frame 22, the first bed frame 21 is slidably arranged on the second bed frame 22, and the mattress 1 is placed on the side of the first bed frame 21 away from the second bed frame 22; the backrest assembly 3 includes a first backrest 31 and a second backrest 32, the first backrest 31 is hinged to the first frame 21, the second backrest 32 is hinged to the second frame 22, the first backrest 31 is hinged to the second backrest 32, and the first frame 21 can slide on the second frame 22 to move the first backrest 31 closer to or away from the second backrest 32. In this embodiment, the first frame 21 is provided with a fixing groove 212, the mattress 1 is embedded in the fixing groove 212, the mattress 1 is installed on the first frame 21 through the fixing groove 212, and the hinge joint may be a rotating shaft or a hinge joint, the present embodiment uses a rotating shaft, the first backrest 31 is hinged to the head of the first frame 21 through the rotating shaft, the second backrest 32 is hinged to the head of the second frame 22 through the rotating shaft, and the first backrest 31 and the second backrest 32 are hinged through the rotating shaft at the top corners close to each other. When the bed is switched from the state shown in fig. 1 to the state shown in fig. 3, the first bed frame 21 slides on the second bed frame 22 in the direction of the bed head away from the second bed frame 22 to make the first backrest 31 move away from the second backrest 32, the second backrest 32 rotates around the hinge point on the second bed frame 22 and forms a certain angle with the second backrest 32, the backrest assembly 3 is switched from the vertical state to the inclined state, and the user can lean on the backrest assembly 3; when the state shown in fig. 3 is switched to the state shown in fig. 1, the first bed frame 21 slides on the second bed frame 22 along the direction of the bed head close to the second bed frame 22, the first backrest 31 is close to the second backrest 32 and folded with the second backrest 32, the backrest assembly 3 is switched from the inclined state to the vertical state, and the user can lie on the mattress 1 flatly, thereby meeting the diversified requirements of the user.

Specifically, the second frame 22 includes a supporting block 221 and a frame body 222, the supporting block 221 is fixed on the frame body 222, and the second backrest 32 is hinged on the supporting block 221. The second frame 22 is separately provided with the supporting block 221 and the frame body 222, the supporting block 221 is fixed on the head of the frame body 222, and the second backrest 32 is hinged to the second frame 22 through the supporting block 221, so that the manufacturing process of the second frame 22 can be simplified, and the manufacturing difficulty of the second frame 22 can be further simplified.

In the present embodiment, the upper end surface of the supporting block 221 is flush with the upper end surface of the first frame 21, and the heights of the first backrest 31 and the second backrest 32 are equal. The height described here is the height in the height direction shown in fig. 1, and it can be understood that, with the above arrangement and the size setting of the first backrest 31 and the second backrest 32, the structure of the bed can be more compact and the appearance can be more beautiful when the backrest module 3 is switched between states.

In this embodiment, a first stopper 33 is disposed between the second backrest 32 and the second frame 22, and the first stopper 33 can limit the rotation of the second backrest 32. When the bed is switched from the state shown in fig. 1 to the state shown in fig. 3, the first bed frame 21 slides on the second bed frame 22 in the direction of the bed head away from the second bed frame 22, so that the first backrest 31 is away from the second backrest 32, the second backrest 32 rotates around the hinge point on the second bed frame 22, the second backrest 32 can abut against the first stopper 33, and further, the second backrest 32 forms a certain included angle with the first backrest 31, and the backrest assembly 3 is switched from the vertical state to the inclined state, thereby improving the reliability. Of course, in other embodiments of the present invention, the first stopper 33 may also be disposed between the first backrest 31 and the second frame 22, the first backrest 31 may abut against the first stopper 33, the first stopper 33 may also be disposed between the first backrest 31 and the second backrest 32 and the second frame 22, and the first backrest 31 and the second backrest 32 may abut against the first stopper 33, so as to achieve the same function.

Specifically, the first stoppers 33 are disposed at least two different heights, and at least two first stoppers 33 are detachably fixed to the second frame 22. The first limiting blocks 33 can be set to be required number, the first limiting blocks 33 with different heights correspond to different included angles between the first backrest 31 and the second backrest 32 when the backrest component 3 is in an inclined state, namely different inclination angles of the first backrest 31, and then different leaning angles of users can be met. The first stopper 33 is detachably fixed on the second frame 22, the fixing manner can be set to be a screw or a clamp plate, and in this embodiment, the first stopper 33 is fixed on the second frame 22 by using a screw.

In this embodiment, the bed further comprises a cushion 4, and the cushion 4 covers the backrest module 3. The soft pad 4 can be a cotton pad, a down pad or a silica gel pad, and is not limited here as long as the comfort of the bed can be improved.

As shown in fig. 4 and 5, the second frame 22 is provided with a T-shaped groove 2221, the first frame 21 is provided with a sliding member 211, and the sliding member 211 is slidably disposed in the T-shaped groove 2221. The sliding pieces 211 can be configured as pulleys or sliding blocks, the sliding pieces 211 of this embodiment are configured as pulleys, which can improve the sliding fluency of the first frame 21, the pulleys are disposed in the T-shaped grooves 2221 and can roll in the T-shaped grooves 2221, and the T-shaped grooves 2221 can position and limit the pulleys, so as to prevent the first frame 21 from separating from the second frame 22, thereby improving the reliability.

Specifically, a second limit block 2222 is disposed at the bottom of the T-shaped groove 2221, and the difference between the depth of the main groove 22211 of the T-shaped groove 2221 and the height of the second limit block 2222 is greater than the height of the sliding member 211. The T-shaped slot 2221 includes a main slot 22211 and a sub slot 22212, and when the first frame 21 slides, the bracket connected to the first frame 21 moves in the sub slot 22212 and the pulley rolls in the main slot 22211. A second stopper 2222 is provided at the bottom of the main groove 22211, and when the first frame 21 is assembled to the second frame 22, the pulleys can be inserted into the T-shaped groove 2221 through a space between the second stopper 2222 and the auxiliary groove 22212; after the first frame 21 and the second frame 22 are assembled, the pulleys roll on the bottom of the main groove 22211, and the second stopper 2222 can limit the rolling of the pulleys, thereby limiting the movement of the first frame 21 and improving the reliability. The specific position of the second limiting block 2222 in the length direction is set as required, and is not limited here.

As shown in fig. 1, the bed further comprises a linear driving mechanism 5, the linear driving mechanism 5 comprises a driving member 51, a gear 52 and a rack 53, the driving member 51 is mounted on the second frame 22; the gear 52 is connected to the output end of the driving member 51 in a driving manner, the rack 53 is engaged with the gear 52, the rack 53 is fixed on the first frame 21, and the extending direction of the rack 53 is the sliding direction of the first frame 21. The driving member 51 can be configured as an electric motor or a pneumatic motor, in this embodiment, the driving member 51 is an electric motor, and the electric motor drives the first frame 21 to slide on the second frame 22 through the gear 52 and the rack 53, so as to realize the automatic sliding of the first frame 21.

In this embodiment, a pressure sensor is disposed on the sensing surface 311 of the first backrest 31, and the pressure sensor is connected to the motor in communication. It can be understood that, the pressure sensor can sense the pressure applied to the first backrest 31 by the second backrest 32, when the backrest assembly 3 is switched from the inclined state to the vertical state, the first backrest 31 is closed with the second backrest 32, the pressure sensor senses that the actual pressure value is greater than the preset pressure value, and then the motor is controlled to be turned off, so that the linear driving mechanism 5 stops driving, and the reliability is improved. Of course, in other embodiments of the present invention, the pressure sensor disposed on the second backrest 32 can also achieve the same function, and the description thereof is omitted here.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention 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 invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A bed with a tiltable backrest, comprising:

a mattress (1);

the bed frame assembly (2) comprises a first bed frame (21) and a second bed frame (22), the first bed frame (21) is arranged on the second bed frame (22) in a sliding mode, and the mattress (1) is placed on one side, away from the second bed frame (22), of the first bed frame (21);

a backrest assembly (3), said backrest assembly (3) comprising a first backrest (31) and a second backrest (32), said first backrest (31) being hinged to said first frame (21), said second backrest (32) being hinged to said second frame (22), said first backrest (31) being hinged to said second backrest (32), said first frame (21) being slidable on said second frame (22) to bring said first backrest (31) close to or away from said second backrest (32).

2. The back-tiltable bed according to claim 1, characterized in that the second bedframe (22) comprises a support block (221) and a bedframe body (222), the support block (221) being fixed to the bedframe body (222), the second back-rest (32) being hinged to the support block (221).

3. The back-tiltable bed according to claim 2, characterized in that the upper end face of the support block (221) is flush with the upper end face of the first bedframe (21), the height of the first back-rest (31) and the second back-rest (32) being equal.

4. The back-tiltable bed according to claim 1, characterized in that a first stopper (33) is arranged between the first back-rest (31) and/or the second back-rest (32) and the second bedframe (22), which first stopper (33) can limit the rotation of the first back-rest (31) and/or the second back-rest (32).

5. The back-tiltable bed according to claim 4, wherein said first stoppers (33) are provided in at least two different heights, at least two of said first stoppers (33) being detachably fixed to said second frame (22).

6. The backrest tiltable bed according to claim 1, further comprising a cushion (4), said cushion (4) wrapping said backrest module (3).

7. The bed with tiltable backrest according to claim 1, characterized in that the second frame (22) is provided with a T-shaped slot (2221), the first frame (21) is provided with a glide (211), the glide (211) is slidingly arranged in the T-shaped slot (2221).

8. The backrest tiltable bed as claimed in claim 7, wherein the bottom of said T-shaped groove (2221) is provided with a second stopper (2222), and the difference between the depth of said main groove (22211) of said T-shaped groove (2221) and the height of said second stopper (2222) is greater than the height of said slide member (211).

9. The back-tiltable bed according to claim 1, further comprising a linear drive mechanism (5), said linear drive mechanism (5) comprising:

an actuating member (51), the actuating member (51) being mounted on the second bed frame (22);

a gear (52) and a rack (53), wherein the gear (52) is in transmission connection with the output end of the driving part (51), the rack (53) is meshed with the gear (52), the rack (53) is fixed on the first bed frame (21), and the extending direction of the rack (53) is the sliding direction of the first bed frame (21).

10. The backrest tiltable bed according to claim 9, characterized in that a pressure sensor is arranged on the sensing surface (311) of the first backrest (31) or the second backrest (32), which pressure sensor is in communicative connection with the driving member (51).

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