Telescopic sofa bed
By designing the accommodating cavity and guide rails in the sofa bed, combined with the drive components, the retractable function of the sofa bed is realized, solving the problem of limited length after deployment, and improving the comfort and convenience of use.
Patent Information
- Application Number
- CN202422582615.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-10-24
AI Technical Summary
The existing sofa bed is limited in length after being unfolded and cannot meet user needs.
A retractable sofa bed is designed. By providing a receiving cavity in the backrest, the folding part can be stored in the receiving cavity, and the sliding of the bed body is achieved through the support frame body and the guide rail, and the driving component is combined to switch the bed body between the sofa state and the bed state.
The expanded bed length is enhanced, providing convenient state transitions, and increasing comfort and structural strength.
Smart Images
Figure CN223111337U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of sofas, and in particular to a retractable sofa bed. Background Art
[0002] A sofa bed is a multi-purpose furniture that can be converted between a sofa state and a bed state, and is popular among more and more consumers. In related technologies, a sofa bed includes a base and a bed body that slides on the base. When one end of the bed body close to the base is slid into the base, the sofa bed can be changed from the bed state to the sofa state. When the bed body is slid away from the base, the sofa bed can be converted from the sofa state to the bed state. However, due to the limited internal space of the base, the length of the unfolded bed is small, and there is room for improvement. Summary of the Utility Model
[0003] In order to increase the length of the unfolded bed, this application provides a retractable sofa bed.
[0004] This application provides a retractable sofa bed, adopting the following technical solutions:
[0005] A retractable sofa bed includes a base, a backrest and a bed body. The backrest is connected to the base; the bed body includes a seat cushion part and a folding part. The folding part is movably connected to the seat cushion part. The seat cushion part is slidably arranged on the base, and the folding part can respectively abut against the base and the backrest.
[0006] By adopting the above technical solutions, when the folding part abuts against the backrest, the retractable sofa bed is in the sofa state. Slide the seat cushion part on the base so that the folding part abuts against the base. At this time, the retractable sofa bed is in the bed state, which is convenient for users to lie down and rest. Since the length of the unfolded bed body is the sum of the length of the seat cushion part and the length of the folding part, the length of the unfolded bed is increased.
[0007] Optionally, a receiving cavity is provided inside the backrest, and the folding part can be located inside the receiving cavity.
[0008] By adopting the above technical solutions, when in the sofa state, the folding part is received in the receiving cavity, and the receiving cavity can provide protection for the folding part.
[0009] Optionally, a support frame body is provided inside the base.
[0010] By adopting the above technical solutions, the support frame body can provide support for the base and improve the structural strength of the base.
[0011] Optionally, a guiding track is provided on the support frame body, and the bed body is slidably arranged on the guiding track.
[0012] By adopting the above technical solution, the bed body can slide stably and smoothly along the guiding track, improving the convenience and comfort of use.
[0013] Optionally, the guiding track includes a straight track and a guiding track. Both the straight track and the guiding track are connected to the support frame body. The cushion part is slidably connected to the straight track, and the folding part is slidably connected to the straight track and the guiding track respectively. The guiding track is used to guide the folding part from the straight track into the accommodating cavity.
[0014] By adopting the above technical solution, when the retractable sofa bed is transformed from the sofa state to the bed state, the cushion part slides along the straight track, and the folding part slides from the guiding track onto the straight track, making the cushion part and the folding part flush, so that it can be used as a bed. When the retractable sofa bed is transformed from the bed state to the sofa state, the cushion part slides along the straight track and resets, and the guiding track guides the folding part from the straight track into the accommodating cavity for storage.
[0015] Optionally, a guiding groove is provided on the guiding track, and a pulley is provided on the bed body. The pulley is rollably arranged in the guiding groove.
[0016] By adopting the above technical solution, the guiding groove can play a certain limiting role in the movement of the roller. The pulley rolls in the guiding groove, which can reduce the resistance of the bed body moving on the base, making the moving process smoother.
[0017] Optionally, a driving component is provided between the support frame body and the bed body. The driving component is used to make the support frame body and the bed body move relatively.
[0018] By adopting the above technical solution, when the driving component is started, the driving component can make the bed body move on the base, so as to switch between the sofa state and the bed state.
[0019] Optionally, the driving component includes a pushing driving source and a hinge seat. The pushing driving source is connected to the support frame body, the hinge seat is connected to the cushion part, and the output end of the pushing driving source is hinged to the hinge seat.
[0020] By adopting the above technical solution, when the pushing driving source is started, the pushing driving source can drive the cushion part to move, so as to make the bed body move on the base.
[0021] Optionally, rollers are provided on the bottom side of the cushion part.
[0022] By adopting the above technical solution, the rollers on the bottom side of the cushion part can abut against the ground. When the cushion part moves on the base, the rollers can roll on the ground, reducing the resistance during the moving process.
[0023] Optionally, a connecting member is provided on the base, and adjacent bases are connected by the connecting member.
[0024] By adopting the above technical solution, the connecting member connects adjacent bases, so that adjacent retractable sofa beds are combined into a whole.
[0025] In summary, the present application includes at least one of the following beneficial effects:
[0026] 1. The cushion part slides on the base, and the folding part can slide along the guiding track onto the straight track. The folding part is flush with the cushion part and can be used as a bed, increasing the length of the bed.
[0027] 2. The accommodating cavity can accommodate the folding part and provide protection for the folding part.
[0028] 3. The pushing driving source can push the cushion part to move, improving the convenience of operation and facilitating the conversion of the retractable sofa bed between the sofa state and the bed state. Description of the Drawings
[0029] Figure 1 is the overall structural schematic diagram of the retractable sofa bed according to Embodiment 1 of the present application;
[0030] Figure 2 is the structural schematic diagram of the support frame body, the driving component and the guiding track according to Embodiment 1 of the present application;
[0031] Figure 3 is the structural schematic diagram of the bottom side of the retractable sofa bed according to Embodiment 1 of the present application;
[0032] Figure 4 is Figure 1 the enlarged structural schematic diagram of part A in
[0033] Figure 5 is the structural schematic diagram of the support frame body, the driving component and the guiding track according to Embodiment 2 of the present application;
[0034] Figure 6 is the structural schematic diagram of the straight track and the pulley according to Embodiment 2 of the present application.
[0035] Description of the Reference Numerals: 1. Base; 2. Backrest; 21. Accommodating Cavity; 3. Bed Body; 31. Cushion Part; 32. Folding Part; 4. Support Frame Body; 5. Driving Component; 51. Pushing Driving Source; 52. Hinge Seat; 6. Guiding Track; 61. Straight Track; 62. Guiding Track; 63. Guiding Groove; 7. Pulley; 8. Roller; 9. Connecting Member; 91. Connecting Piece; 92. Insert Piece. Detailed Embodiments
[0036] The following is combined with the attachedFigures 1-6 Further detailed description of the present application will be provided below.
[0037] Embodiment 1:
[0038] Embodiment 1 of the present application provides a retractable sofa bed.
[0039] Referring to Figure 1 , the retractable sofa bed includes a base 1, a backrest 2 and a bed body 3. The backrest 2 is fixedly connected to one side of the base 1, and the bed body 3 is slidably disposed on the base 1.
[0040] Referring to Figure 2 , a support frame body 4 is fixedly connected inside the base 1. A guiding track 6 is provided on the support frame body 4. The guiding track 6 includes a linear track 61 and a guiding track 62. Both the linear track 61 and the guiding track 62 are fixedly connected to the support frame body 4, and the end of the linear track 61 and the end of the guiding track 62 are fixedly connected.
[0041] Referring to Figure 1 , the bed body 3 includes a seat cushion part 31 and a folding part 32. The seat cushion part 31 and the folding part 32 are movably connected. Specifically in this embodiment, the seat cushion part 31 and the folding part 32 are hinged. The seat cushion part 31 is slidably connected to the linear track 61, and the folding part 32 is slidably connected to the guiding track 62. The folding part 32 can slide on the guiding track 62 and the linear track 61.
[0042] Referring to Figure 1 and Figure 2 , an accommodation cavity 21 is provided inside the backrest 2. The folding part 32 can be located inside the accommodation cavity 21. The guiding track 62 is arc-shaped, and the arc-shaped guiding track 62 is used to guide the folding part 32 into the accommodation cavity 21. When the retractable sofa bed is changed from the sofa state to the bed state, the seat cushion part 31 slides along the linear track 61, and the folding part 32 slides from the guiding track 62 to the linear track 61. At this time, the folding part 32 and the seat cushion part 31 are flush, so as to facilitate the user to lie flat and rest. When the retractable sofa bed is changed from the bed state to the sofa state, the guiding track 62 guides the folding part 32 into the accommodation cavity 21 for storage, and the seat cushion part 31 moves along the linear track 61 and returns to its original position.
[0043] Referring to Figure 2 and Figure 3, a driving component 5 is arranged between the support frame body 4 and the seat cushion part 31. The driving component 5 includes a pushing driving source 51 and a hinge seat 52. In this embodiment, the pushing driving source 51 specifically adopts an electric push rod. The body of the electric push rod is fixedly connected to the support frame body 4, the hinge seat 52 is fixedly connected to one end of the seat cushion part 31, and the output end of the electric push rod is hinged to the hinge seat 52. When the pushing driving source 51 is started, the pushing driving source 51 can push the seat cushion part 31 to move, so that the bed body 3 moves, and thus the retractable sofa bed can be switched between the sofa state and the bed state. In other embodiments of this embodiment, the pushing component may only include one pushing driving source 51. The pushing driving source 51 specifically adopts an electric push rod. The body of the pushing driving source 51 is fixedly connected to the support frame body 4, and the output end of the pushing driving source 51 is fixedly connected to the seat cushion part 31, which can also make the pushing driving source 51 push the seat cushion part 31 to move.
[0044] Reference Figure 1 and Figure 3 , a roller 8 is rotatably connected to the bottom end of the seat cushion part 31, and the roller 8 is in contact with the ground. During the process of the pushing driving source 51 pushing the seat cushion part 31 to move, the roller 8 rolls, reducing the resistance of the seat cushion part 31 during the movement. When the retractable sofa bed is transformed into the bed state, the roller 8 can provide a supporting force for the seat cushion part 31.
[0045] Reference Figure 1 and Figure 4 , a connecting piece 9 is fixedly connected to the side wall of the base 1. The connecting piece 9 includes a connecting piece 91 and an inserting piece 92. The inserting piece 92 and the connecting piece 91 are fixedly connected. The connecting piece 91 is arc-shaped and forms a plugging groove. When there are multiple retractable sofa beds, the adjacent bases 1 are both fixedly connected with the connecting pieces 9, and the inserting pieces 92 between the adjacent bases 1 are inserted into the plugging grooves of the connecting pieces 91 and are buckled together, so that the adjacent retractable sofa beds are combined into a whole.
[0046] The implementation principle of the retractable sofa bed in Embodiment 1 of this application is as follows: Start the pushing driving source 51, the pushing driving source 51 drives the seat cushion part 31 to move, and the folding part 32 slides from the accommodating cavity 21 onto the linear track 61, and the retractable sofa bed is transformed from the sofa state to the bed state. When the pushing driving source 51 drives the seat cushion part 31 to move and reset, the folding part 32 is guided by the guiding track 62 into the accommodating cavity 21, and the retractable sofa bed is transformed from the bed state to the sofa state.
[0047] Embodiment 2:
[0048] Embodiment 2 of this application provides a retractable sofa bed.
[0049] Reference Figure 5 and Figure 6, the difference between Embodiment 2 and Embodiment 1 of this application is that: guiding grooves 63 are provided on the top walls of the straight track 61 and the guiding track 62, and pulleys 7 are rotatably connected to the bottom sides of the seat portion 31 and the folding portion 32. The pulleys 7 are located in the guiding grooves 63, and the pulleys 7 can roll in the guiding grooves 63, thereby reducing the resistance when the bed body 3 and the base 1 move.
[0050] The above are all preferred embodiments of this application, and the protection scope of this application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.
Claims
1. A retractable sofa bed, characterized in that, It includes a base (1), a backrest (2) and a bed body (3), and the backrest (2) is connected to the base (1); the bed body (3) includes a seat cushion part (31) and a folding part (32), the folding part (32) is movably connected to the seat cushion part (31), the seat cushion part (31) is slidably arranged on the base (1), and the folding part (32) can respectively abut against the base (1) and the backrest (2).
2. The retractable sofa bed according to claim 1, characterized in that, An accommodation cavity (21) is arranged inside the backrest (2), and the folding part (32) can be located inside the accommodation cavity (21).
3. The retractable sofa bed according to claim 2, characterized in that, A support frame body (4) is arranged inside the base (1).
4. The retractable sofa bed according to claim 3, characterized in that, A guiding track (6) is arranged on the support frame body (4), and the bed body (3) is slidably arranged on the guiding track (6).
5. The retractable sofa bed according to claim 4, characterized in that, The guiding track (6) includes a linear track (61) and a guiding track (62), both the linear track (61) and the guiding track (62) are connected to the support frame body (4); the seat cushion part (31) is slidably connected to the linear track (61), the folding part (32) is respectively slidably connected to the linear track (61) and the guiding track (62), and the guiding track (62) is used to guide the folding part (32) from the linear track (61) into the accommodation cavity (21).
6. A retractable sofa bed according to claim 4, characterized in that, A guiding groove (63) is arranged on the guiding track (6), a pulley (7) is arranged on the bed body (3), and the pulley (7) is rotatably arranged inside the guiding groove (63).
7. A retractable sofa bed according to claim 4, characterized in that, A driving assembly (5) is arranged between the support frame body (4) and the bed body (3), and the driving assembly (5) is used to make the support frame body (4) and the bed body (3) move relatively.
8. A retractable sofa bed according to claim 7, characterized in that, The driving assembly (5) includes a pushing driving source (51) and a hinge seat (52), the pushing driving source (51) is connected to the support frame body (4), the hinge seat (52) is connected to the seat cushion part (31), and the output end of the pushing driving source (51) is hinged to the hinge seat (52).
9. A retractable sofa bed according to claim 1, characterized in that, Rollers (8) are arranged on the bottom side of the seat cushion part (31).
10. A retractable sofa bed according to claim 1, characterized in that, Connectors (9) are arranged on the base (1), and adjacent bases (1) are connected through the connectors (9).