Telescopic wooden sofa bed

Abstract

The utility model discloses a telescopic wooden sofa bed which comprises a backrest, handrails located on the two sides of the backrest and a seat block assembly located between the handrails on the two sides, the seat block assembly comprises a first seat block and a second seat block, the first seat block is vertically connected with the handrails on the two sides in a sliding mode, and lifting modules are arranged in the handrails. The lifting end of the lifting module is connected with the first seat block, the second seat block is located below the first seat block, the second seat block is horizontally and slidably connected with the armrests on the two sides, a moving device is arranged at the bottom of the second seat block, and the moving device can drive the second seat block to horizontally move so that the second seat block can move to the front side of the first seat block; according to the telescopic wooden sofa bed, through the innovative structural design, mechanical stretching and folding of the sofa bed are achieved, manual operation is not needed, and meanwhile the stability and attractiveness of furniture are guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of sofa bed technology, and more specifically to a telescopic wooden sofa bed. Background Technology

[0002] With the continuous updating of modern home design concepts and the increasing demands of people's lives, sofa beds, as a multifunctional piece of furniture, have become widely popular in the market due to their space-saving capabilities and ability to provide temporary rest or sleep. Sofa beds combine the comfort of a sofa with the practicality of a bed, making them especially suitable for small apartments, office lounges, or environments where the use of space frequently needs to be changed.

[0003] Traditional sofa beds come in a variety of designs, but most share some common problems. For example, many sofa beds require manual operation during conversion, which is not only time-consuming and laborious but also difficult for the elderly or people with disabilities to use. In addition, some designs lack stability during conversion, potentially leading to safety hazards during use. Furthermore, some designs have inconsistent bed heights when fully extended, affecting sleep quality.

[0004] Some existing designs simplify the operation process by adding mechanical structures, such as using hydraulic or pneumatic systems to assist in the unfolding and folding of sofa beds. However, these designs are often complex, costly, and difficult to maintain. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a telescopic wooden sofa bed. Through innovative structural design, it achieves mechanized extension and folding of the sofa bed without manual operation, while ensuring the stability and aesthetics of the furniture.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A retractable wooden sofa bed includes a backrest, armrests on both sides of the backrest, and a seat assembly between the armrests. The seat assembly includes a first seat block and a second seat block. The first seat block is vertically slidably connected to the armrests on both sides. A lifting module is provided inside the armrests. The lifting end of the lifting module is connected to the first seat block. The second seat block is located below the first seat block and is horizontally slidably connected to the armrests on both sides. A moving device is provided at the bottom of the second seat block. The moving device can drive the second seat block to move horizontally, so that the second seat block moves to the front of the first seat block.

[0008] Furthermore, the handrail is provided with an installation space. The moving device is located in the installation space and includes a lifting motor and a screw. The lifting motor is arranged vertically and fixed in the installation space. The screw is arranged vertically and one end is connected to the main shaft of the lifting motor, and the other end is rotatably connected to the handrail. The inner side of the handrail is provided with a lifting groove communicating with the installation space. Lifting blocks are provided on both sides of the first seat block. The lifting blocks are provided with threaded holes. The lifting blocks pass through the lifting groove and extend into the installation space, and are threadedly connected to the screw through the threaded holes.

[0009] Furthermore, the installation space is provided with several vertically arranged guide columns, the inner side of the handrail is provided with a sliding groove communicating with the installation space, several sliding blocks are provided on both sides of the first seat block, the sliding blocks are provided with sliding holes, the sliding blocks pass through the sliding grooves and extend into the installation space, and are fitted onto the guide columns through the sliding holes.

[0010] Furthermore, horizontally arranged sliding grooves are provided on opposite sides of both armrests, and sliders are provided on both sides of the second seat block, with the sliders extending into the sliding grooves.

[0011] Furthermore, a limiting block is provided at one end of the slide groove located on the front side of the handrail, and an anti-detachment block is provided on the side of the slider away from the second seat block. The anti-detachment block can contact the limiting block to prevent detachment.

[0012] Furthermore, the moving device includes a moving frame, a drive motor, and several rollers. The moving frame is installed on the bottom of the second base block, the drive motor is installed on the moving frame, and the several rollers are all installed on the bottom of the moving frame. The drive motor is drivenly connected to one set of rollers.

[0013] Furthermore, the anti-detachment block is provided with an installation groove, and a sensor is installed in the installation groove. The sensor is electrically connected to the drive motor.

[0014] Furthermore, a baffle plate is provided at the bottom front side of the second block.

[0015] Furthermore, the backrest, armrests, first seat block, and second seat block are all made of wood.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This invention features a backrest, armrests, and seat assembly. The seat assembly is configured as a first seat block and a second base. It also includes a lifting module and a moving device. The moving device allows the second base to be moved below the first seat block, and then the first seat block is lowered to align with the second seat block, thus achieving a mechanical extension and unfolding of the sofa bed. When folding back, the lifting module and moving device are activated sequentially to raise the first seat block and then move the second seat block back to its original position. Both unfolding and folding are completed mechanically, requiring no manual operation from the user, making it quite convenient. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:

[0019] Figure 1 A schematic diagram of the structure of a retractable wooden sofa bed. Figure 1 ;

[0020] Figure 2 A schematic diagram of the structure of a retractable wooden sofa bed. Figure 2 ;

[0021] Figure 3 A schematic diagram of the structure of a retractable wooden sofa bed. Figure 3 ;

[0022] Figure 4 A schematic diagram of the structure of a retractable wooden sofa bed. Figure 4 ;

[0023] Figure 5 This is a schematic diagram showing the connection between the handrail and the first seat block;

[0024] Figure 6 This is a schematic diagram of the interior of the handrail;

[0025] Figure 7 This is a schematic diagram of the structure of the limiting block and the anti-detachment block.

[0026] The following are marked in the diagram: 1. Backrest; 2. Armrest; 3. First seat block; 4. Second seat block; 5. Baffle plate; 6. Moving frame; 7. Drive motor; 8. Roller; 9. Slide groove; 10. Slider; 11. Limit block; 12. Anti-detachment block; 13. Sensor; 14. Slide groove; 15. Lifting groove; 16. Installation space; 17. Lifting motor; 18. Screw; 19. Lifting block; 20. Guide column. Detailed Implementation

[0027] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "a number" means two or more, unless otherwise explicitly specified.

[0029] A retractable wooden sofa bed, such as Figure 1-7 As shown, the device includes a backrest 1, armrests 2 located on both sides of the backrest 1, and a seat block assembly located between the armrests 2. The seat block assembly includes a first seat block 3 and a second seat block 4. The first seat block 3 is vertically slidably connected to the armrests 2 on both sides. A lifting module is provided inside the armrest 2. The lifting end of the lifting module is connected to the first seat block 3. The second seat block 4 is located below the first seat block 3 and is horizontally slidably connected to the armrests 2 on both sides. A moving device is provided at the bottom of the second seat block 4. The moving device can drive the second seat block 4 to move horizontally, so that the second seat block 4 moves to the front of the first seat block 3.

[0030] Preferably, the handrail 2 is provided with an installation space 16, the moving device is located in the installation space 16 and includes a lifting motor 17 and a screw 18. The lifting motor 17 is arranged vertically and fixed in the installation space 16. The screw 18 is arranged vertically and one end is connected to the main shaft of the lifting motor 17, and the other end is rotatably connected to the handrail 2. The inner side of the handrail 2 is provided with a lifting groove 15 communicating with the installation space 16. Lifting blocks 19 are provided on both sides of the first seat block 3. The lifting blocks 19 are provided with threaded holes. The lifting blocks 19 pass through the lifting groove 15 and extend into the installation space 16, and are threadedly connected to the screw 18 through the threaded holes.

[0031] Specifically, the lifting motor 17 is started, which drives the screw 18 to rotate, thereby causing the lifting block 19 to drive the first seat block 3 to rise and fall.

[0032] Preferably, the installation space 16 is provided with a plurality of vertically arranged guide posts 20, the inner side of the handrail 2 is provided with a sliding groove 14 communicating with the installation space 16, and the two sides of the first seat block 3 are provided with a plurality of sliding blocks 10, each sliding block 10 being provided with a sliding hole, the sliding block 10 passing through the sliding groove 14 and extending into the installation space 16, and being fitted onto the guide post 20 through the sliding hole;

[0033] Specifically, by setting guide post 20 and sliding block 10, the first seat block 3 can be vertically slidably connected to the handrail 2.

[0034] Preferably, horizontally arranged sliding grooves 9 are provided on opposite sides of the two handrails 2, and sliders 10 are provided on both sides of the second seat block 4. The sliders 10 extend into the sliding grooves 9, thereby enabling the second seat block 4 to slide horizontally with the handrail 2.

[0035] Preferably, a limiting block 11 is provided at one end of the slide groove 9 located on the front side of the handrail 2, and an anti-detachment block 12 is provided on the side of the slider 10 away from the second seat block 4. The anti-detachment block 12 can contact the limiting block 11 to prevent detachment.

[0036] Specifically, by setting a limiting block 11 and an anti-detachment block 12, when the second seat block 4 moves out of the first seat block 3, the anti-detachment block 12 can contact and abut against the limiting block 11 to prevent the second seat block 4 from detaching from the handrail 2.

[0037] Preferably, the moving device includes a moving frame 6, a drive motor 7, and a plurality of rollers 8. The moving frame 6 is mounted on the bottom of the second seat block 4, the drive motor 7 is mounted on the moving frame 6, and the plurality of rollers 8 are all mounted on the bottom of the moving frame 6. The drive motor 7 is drivenly connected to one set of rollers 8.

[0038] Specifically, when the second block 4 needs to extend under the first block 3, the drive motor 7 starts, driving a set of rollers 8 connected to it to rotate, thereby moving the second block 4 out of the first block 3. When it needs to move back to the first block 3, the drive motor 7 reverses, causing the rollers 8 to reverse, and driving the second block 4 back to the first block 3.

[0039] Preferably, the anti-detachment block 12 has an installation groove, and a sensor 13 is installed in the installation groove. The sensor 13 is electrically connected to the drive motor 7, so that when the second seat block 4 moves to the limit position (when it moves completely to the front and below the first seat block 3), the sensor 13 can detect that the anti-detachment block 12 is in contact with the limit block 11, thereby transmitting a signal to the control chip, and the control chip then controls the drive motor 7 to stop, so as to realize the limit control.

[0040] Preferably, the sensor 13 can be a contact sensor.

[0041] Preferably, a cover plate 5 is provided at the bottom front side of the second seat block 4 to cover the moving device at the bottom of the second seat block 4 and ensure aesthetics.

[0042] Preferably, the backrest 1, armrest 2, first seat block 3, and second seat block 4 are all made of wood.

[0043] The process of stretching and unfolding:

[0044] When the sofa bed needs to be unfolded, first activate the moving device to move the second seat block 4 completely out of the space below the first seat block 3 and to the front of the first seat block 3. Then activate the lifting module to lower the first seat block 3, so that the tops of the first seat block 3 and the second seat block 4 are aligned, thus allowing it to be fully unfolded and the user to lie down.

[0045] When the sofa bed needs to be retracted and folded, first activate the lifting module to raise the first seat block 3. After the first seat block 3 has fully risen to its upper limit position, activate the moving device to move the second seat block 4 back. Finally, the second seat block 4 moves completely below the first seat block 3 and is fully folded.

[0046] advantage:

[0047] This invention features a backrest 1, armrests 2, and a seat assembly. The seat assembly is configured as a first seat block 3 and a second seat block 4. It also includes a lifting module and a moving device. The moving device allows the second seat block 4 to be moved below the first seat block 3, and then the first seat block 3 is lowered until it is flush with the second seat block 4, thus achieving a mechanical extension and unfolding of the sofa bed. When folding back, the lifting module and moving device are activated sequentially to raise the first seat block 3 and move the second seat block 4 back to its original position. Both unfolding and folding are mechanically completed, requiring no manual operation from the user, making it quite convenient.

[0048] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A retractable wooden sofa bed, characterized in that: The device includes a backrest, armrests on both sides of the backrest, and a seat assembly between the armrests. The seat assembly includes a first seat block and a second seat block. The first seat block is vertically slidably connected to the armrests on both sides. A lifting module is provided inside the armrests. The lifting end of the lifting module is connected to the first seat block. The second seat block is located below the first seat block and is horizontally slidably connected to the armrests on both sides. A moving device is provided at the bottom of the second seat block. The moving device can drive the second seat block to move horizontally, so that the second seat block moves to the front of the first seat block.

2. The telescopic wooden sofa bed according to claim 1, characterized in that: The handrail has an installation space, and the moving device is located in the installation space and includes a lifting motor and a screw. The lifting motor is vertically arranged and fixed in the installation space. The screw is vertically arranged and one end is connected to the main shaft of the lifting motor, and the other end is rotatably connected to the handrail. The inner side of the handrail has a lifting groove that communicates with the installation space. Lifting blocks are provided on both sides of the first seat block. The lifting blocks have threaded holes. The lifting blocks pass through the lifting groove and extend into the installation space, and are threadedly connected to the screw through the threaded holes.

3. A retractable wooden sofa bed according to claim 2, characterized in that: The installation space is provided with several vertically arranged guide columns. The inner side of the handrail is provided with a sliding groove that communicates with the installation space. Several sliding blocks are provided on both sides of the first seat block. The sliding blocks are provided with sliding holes. The sliding blocks pass through the sliding groove and extend into the installation space, and are fitted onto the guide columns through the sliding holes.

4. A retractable wooden sofa bed according to claim 3, characterized in that: Both sides of the handrails are provided with horizontally arranged sliding grooves, and both sides of the second seat block are provided with sliders that extend into the sliding grooves.

5. A retractable wooden sofa bed according to claim 4, characterized in that: A limiting block is provided at one end of the slide groove on the front side of the handrail, and an anti-detachment block is provided on the side of the slider away from the second seat block. The anti-detachment block can contact the limiting block to prevent detachment.

6. A retractable wooden sofa bed according to claim 5, characterized in that: The moving device includes a moving frame, a drive motor, and several rollers. The moving frame is installed on the bottom of the second base block, the drive motor is installed on the moving frame, and the several rollers are all installed on the bottom of the moving frame. The drive motor is drivenly connected to one of the sets of rollers.

7. A retractable wooden sofa bed according to claim 6, characterized in that: The anti-detachment block has an installation groove, and a sensor is installed in the installation groove. The sensor is electrically connected to the drive motor.

8. A retractable wooden sofa bed according to claim 7, characterized in that: A baffle is provided at the bottom front side of the second block.

9. A retractable wooden sofa bed according to claim 8, characterized in that: The backrest, armrests, first seat block, and second seat block are all made of wood.

Images