Sofa bed with quick folding mechanism
The motor-driven quick folding mechanism and automatic cleaning component solve the problem of laborious folding of existing sofa beds, achieves quick folding and automatic cleaning without manual operation, and improves the user experience.
Patent Information
- Application Number
- CN202421844402.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-08-01
AI Technical Summary
Existing sofa beds with quick folding mechanisms are heavy or have complex designs, making it difficult for one person to fold them independently. Manual operation is laborious and inconvenient, especially for people with less strength or less flexible joints.
It adopts a motor-driven quick folding mechanism, which drives the connecting rod and gear to engage through the motor to achieve one-touch unfolding and folding. It is combined with a cleaning component to automatically clean the dust at the bottom, and uses a spring to keep the brush plate in close contact with the ground to achieve automatic cleaning.
It enables fast folding and folding operations without manual intervention, reduces physical exertion, improves ease of use, and automatically cleans dust at the bottom during the folding process, providing an intelligent and user-friendly experience.
Smart Images
Figure CN223438174U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sofa bed technical field especially sofa bed with quick folding mechanism. BACKGROUND
[0002] Sofa bed, also known as multifunctional sofa or folding bed, is a kind of furniture that integrates sofa and bed functions. It is fashionable in appearance design, can be used as comfortable rest sofa in daytime, and is easily converted into sleeping bed in night, and saves space. The mattress usually adopts spring or sponge material, provides good support and comfort.
[0003] In the prior art, although the sofa bed with quick folding mechanism is convenient for space saving, but its folding process often needs manual operation, and it is laborious and not very convenient for people with less strength or inflexible joints. Especially on the bed with heavy weight or complex design, a person cannot independently complete folding.
[0004] In view of the above problems, the sofa bed with quick folding mechanism is provided to solve the above problems. CONTENT OF UTILITY MODEL
[0005] In order to make up for the above shortcomings, the utility model provides sofa bed with quick folding mechanism, aims at improving the problems that the sofa bed with quick folding mechanism in the prior art is convenient for space saving, but its folding process often needs manual operation, and it is laborious and not very convenient for people with less strength or inflexible joints. Especially on the bed with heavy weight or complex design, a person cannot independently complete folding.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme: sofa bed with quick folding mechanism, including sofa bed body and pivot, the pivot outside rotatable connection has two connecting rods three, connecting rod three one end rotatable connection has sliding block, connecting rod three other end rotatable connection has push rod, the sliding block outside slide connection in push rod interior, push rod one side fixedly connected with sleeve, push rod other end fixedly connected with support base, the sleeve interior screw thread connection has two -way screw rod, two -way screw rod middle side fixedly connected with, The both sides of sofa bed body are fixedly connected with side baffle, one side fixedly connected with motor in one of side baffle, the motor output fixedly connected with connecting rod no.
[0007] As a further description of the above technical solution:
[0008] The cleaning assembly comprises a brush shell, the brush shell is fixedly connected to the bottom of the adapter block, a brush plate is slidably connected in the brush shell, and the brush plate is fixedly connected to the top of the spring.
[0009] As a further description of the above technical solution:
[0010] The connecting rod no. is rotatably connected in the sofa bed body.
[0011] As a further description of the above technical solution:
[0012] The top end of the spring is fixedly connected to the inner top wall of the brush shell.
[0013] As a further description of the above technical solution:
[0014] The support base is rotatably connected with two pulleys at the bottom end.
[0015] As a further description of the above technical solution:
[0016] The push block is slidably connected outside the sofa bed body, and the support base is slidably connected outside the sofa bed body.
[0017] Further description of the above technical solution:
[0018] The sofa bed body is provided with a support leg at each corner of the bottom.
[0019] Further description of the above technical solution:
[0020] The sliding block is slidably connected inside the push block.
[0021] The utility model has the following beneficial effects:
[0022] 1. In the utility model, the driving motor drives the connecting rod one to rotate, so that the belt pulley one and the worm one rotate, and then drive the rotation, and then drive the bidirectional screw rod to rotate, so that the two sleeves move to both sides, and then drive the two push blocks to move to both sides, and then drive the connecting rod three to rotate, so that the sliding block slides in the push block. At this time, the support base is pushed by the push block, and then unfolded. Since the belt pulley one and the belt pulley two are connected by a belt, the belt pulley two is driven to rotate, and then the connecting rod is driven to rotate, so that the bevel gear one rotates, and then drives the bevel gear two to rotate, so that the worm two rotates. The worm wheel two engaged with it also rotates, so that the connecting rod two rotates, so that the connecting block rotates, and then drives the rear baffle to lay flat. At the same time, one of the support bases extends to support the rear baffle, so that the sofa bed body and the two rear baffles lay flat to form a bed. The operation of laying flat and folding is realized without manual intervention. The one-key operation process simplifies the daily use, improves the work efficiency, reduces the physical consumption, and enables the user to easily enjoy the quick and convenient conversion experience, fully reflecting the intelligence and humanization of the design.
[0023] 2. In the utility model, when the two support bases move to both sides, the connecting block is driven to move, and then the cleaning assembly is pulled to move, so that the dust at the bottom of the sofa bed body is cleaned. Under the action of the spring, the brush plate always rubs against the ground, so that the dust at the bottom of the sofa bed body is cleaned while unfolding and folding. The sofa bed body does not need to be lifted for cleaning, and the cleaning is more clean under the action of the spring. DRAWINGS
[0024] Figure 1 The utility model provides a sofa bed with quick folding mechanism;
[0025] Figure 2 The utility model provides a sofa bed with quick folding mechanism;
[0026] Figure 3 Structure diagram of the worm gear two of the sofa bed with quick folding mechanism provided by the utility model;
[0027] Figure 4 For Figure 3 Enlarged view of A in the middle;
[0028] Figure 5 Structure diagram of the brush shell of the sofa bed with quick folding mechanism provided by the utility model;
[0029] Figure 6 Structure diagram of the spring of the sofa bed with quick folding mechanism provided by the utility model.
[0030] Legend:
[0031] 1, sofa bed body; 2, side baffle; 3, back baffle; 4, support base; 5, motor; 6, support leg; 7, pulley; 8, connecting rod one; 9, pulley one; 10, pulley two; 11, worm one; 12, worm gear two; 13, bidirectional screw; 14, sleeve; 15, push block; 16, sliding block; 17, connecting rod three; 18, rotating shaft; 19, connecting block; 20, bevel gear one; 21, bevel gear two; 22, worm two; 23, worm gear two; 24, connecting rod two; 25, link block; 26, brush shell; 27, link rod; 28, brush plate; 29, spring. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0033] Refer to Figure 1 - Figure 6The utility model provides a sofa bed with quick folding mechanism, including sofa bed body 1 and pivot 18, two connecting rod threes 17 are rotatively connected outside pivot 18, one end of connecting rod three 17 is rotatively connected with sliding block 16, the other end of connecting rod three 17 is rotatively connected with push block 15, the outside of sliding block 16 is slidably connected in the inside of push block 15, one side of push block 15 is fixedly connected with sleeve 14, the other end of push block 15 is fixedly connected with support base 4, the inside of sleeve 14 is threadedly connected with two -way screw rod 13, the middle side of two -way screw rod 13 is fixedly connected with 12, the both sides of sofa bed body 1 are fixedly connected with side baffle 2, one side of one of side baffles 2 is fixedly connected with motor 5, the output of motor 5 is fixedly connected with connecting rod one 8, the outside of connecting rod one 8 is fixedly connected with belt pulley one 9, one end of connecting rod one 8 is fixedly connected with worm one 11, and the engagement is connected between worm one 11 and 12, the inside of sofa bed body 1 is rotatively connected with link rod 27, the outside of link rod 27 is fixedly connected with belt pulley two 10, and belt pulley two 10 is connected with belt pulley one 9 between the belt, one end of link rod 27 is fixedly connected with bevel gear one 20, the inside of sofa bed body 1 is rotatively connected with connecting rod two 24, the outside of connecting rod two 24 is fixedly connected with worm wheel two 23, the outside of connecting rod two 24 is fixedly connected with two connecting blocks 19, the top of connecting block 19 is fixedly connected with back baffle 3, the right side of the inside of sofa bed body 1 is rotatively connected with worm two 22, and the engagement is connected between worm two 22 and worm wheel two 23, one end of worm two 22 is fixedly connected with bevel gear two 21, and the engagement is connected between bevel gear two 21 and bevel gear one 20, the lower part of one side of support base 4 is fixedly connected with link block 25, the bottom of link block 25 is provided with cleaning assembly, and the cleaning assembly is used for the cleaning of sofa bed body 1 bottom dust.
[0034] Specifically, when the sofa bed needs to be unfolded, the motor 5 is started, driving the connecting rod one 8 to rotate, and then the belt pulley one 9 and the worm one 11 also rotate. These actions further promote the rotation of 12, driving the two-way screw rod 13 to move, so that the two sleeves 14 slide to both sides, the push block 15 moves, and in turn drives the connecting rod three 17 to rotate, and the sliding block 16 slides in the push block 15. In this process, the support base 4 is unfolded with the movement of the push block 15. The belt pulley one 9 and the belt pulley two 10 are connected by the belt, driving the belt pulley two 10 to rotate, and the link rod 27 rotates in turn, thereby controlling the rotation of the bevel gear one 20 and the bevel gear two 21, and the worm two 22 rotates in turn, and the worm wheel two 23 engaged with it also rotates, so that the connecting rod two 24 rotates, and the connecting block 19 also moves, and the back baffle 3 is laid flat. One support base 4 extends to support the back baffle 3, and the entire sofa bed body 1 and the back baffle 3 form a bed. After turning off the motor 5, the unfolding process is completed. To fold the sofa bed, just operate in the opposite steps, when the support base 4 moves to both sides, the link block 25 moves, driving the cleaning assembly to clean the dust on the bottom of the sofa bed body 1.
[0035] With reference to Figure 5 And Figure 6 The cleaning assembly includes a brush shell 26 fixedly connected to the bottom of the adapter block 25, and a brush plate 28 slidably connected inside the brush shell 26, and a spring 29 fixedly connected to the top of the brush plate 28.
[0036] Specifically, during the unfolding and folding of the sofa bed, when the cleaning assembly starts to move, it will use the force of the spring 29 to ensure that the brush plate 28 is always in contact with the bottom of the sofa bed, which can effectively remove dust. The action of the spring 29 makes the brush plate 28 maintain close contact with the ground, thereby achieving a more thorough cleaning effect.
[0037] With reference to Figure 1 - Figure 6 The connecting rod one 8 is rotatably connected to the inside of the sofa bed body 1, the spring 29 is fixedly connected to the inner top wall of the brush shell 26, the support base 4 is rotatably connected to the bottom of the two pulleys 7, the push block 15 is slidably connected to the inside of the sofa bed body 1, the support base 4 is slidably connected to the outside of the sofa bed body 1, the sofa bed body 1 is fixedly connected to the bottom of the four support legs 6, and the sliding block 16 is slidably connected to the outside of the push block 15.
[0038] Specifically, the connecting rod one 8 is embedded in the inside of the sofa bed body 1, and its outside rotates to drive the belt pulley one 9 and the worm one 11 to rotate. The spring 29 is located at the top of the brush shell 26, which plays a stabilizing and pressure-providing role, ensuring that the brush plate 28 can effectively clean the bottom. The support base 4 is provided with two pulleys 7 at its bottom, which allows the base to easily slide along the track, facilitating unfolding or folding. The push block 15 is closely connected to the inside of the sofa bed body 1, and its outside is designed to allow linkage with the connecting rod three 17 during unfolding to drive the sliding block 16 to move. The outside of the support base 4 is also connected to the inside of the sofa bed body 1, and participates in the unfolding and folding process of the sofa bed. The four support legs 6 at the bottom of the sofa bed body 1 ensure the stability of the overall structure, and the sliding block 16 slides on the outside of the push block 15 on the inside, working together to complete the unfolding and folding functions of the sofa bed.
[0039] Working principle: when the sofa bed needs to be unfolded, the driving motor 5 drives the connecting rod one 8 to rotate, so that the belt pulley one 9 and the worm one 11 rotate, and then drive 12 to rotate, and then drive the bidirectional screw rod 13 to rotate, so that the two sleeves 14 move to both sides, and then drive the two push blocks 15 to move to both sides, and then drive the connecting rod three 17 to rotate, so that the sliding block 16 slides in the push block 15, at this time the supporting base 4 is pushed by the push block 15, and then unfolded, because the belt pulley one 9 and the belt pulley two 10 are connected by the belt, and then drive the belt pulley two 10 to rotate, and then drive the connecting rod 27 to rotate, so that the bevel gear one 20 rotates, and then drives the bevel gear two 21 to rotate, so that the worm two 22 rotates, and the worm wheel two 23 meshing with it also rotates, thereby driving the connecting rod two 24 to rotate, so that the connecting block 19 rotates, and then drives the back baffle 3 to lay flat, and one of the supporting bases 4 extends to support the back baffle 3, so that the sofa bed body 1 and the two back baffles 3 are laid flat to form a bed, stop the driving motor 5, at this time the unfolding is completed, when the sofa bed body 1 needs to be folded, reverse operation can be carried out, when the two supporting bases 4 move to both sides, the connecting block 25 is driven to move, and then the cleaning assembly is moved to clean the dust at the bottom of the sofa bed body 1, under the action of the spring 29, the brush plate 28 and the ground are always in contact with each other, so that the cleaning is more clean.
[0040] Finally, it should be pointed out that: the above only for preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A sofa bed with a quick folding mechanism, comprising a sofa bed body (1) and a rotating shaft (18), characterized in that: The outer side of the rotating shaft (18) is rotatably connected to two connecting rods (17), one end of the connecting rod (17) is rotatably connected to a slider (16), and the other end of the connecting rod (17) is rotatably connected to a push block (15). The outer side of the slider (16) is slidably connected to the inside of the push block (15), one side of the push block (15) is fixedly connected to a sleeve (14), and the other end of the push block (15) is fixedly connected to a support base (4). The sleeve (14) is internally threadedly connected to a bidirectional screw rod (13), and the bidirectional screw rod (13) is screwed to the inside of the sleeve (14). ) is fixedly connected to the middle side with (12), the sofa bed body (1) is fixedly connected to the side baffles (2) on both sides, one side of the side baffles (2) is fixedly connected to the motor (5), the output end of the motor (5) is fixedly connected to a connecting rod (8), the outer side of the connecting rod (8) is fixedly connected to a pulley (9), one end of the connecting rod (8) is fixedly connected to a worm (11), the worm (11) is meshed with the (12), and the sofa bed body (1) is internally rotatably connected to a connecting rod (2 7), the outer side of the connecting rod (27) is fixedly connected to the second pulley (10), the second pulley (10) and the first pulley (9) are connected by a belt, one end of the connecting rod (27) is fixedly connected to the first bevel gear (20), the interior of the sofa bed body (1) is rotatably connected to the second connecting rod (24), the outer side of the second connecting rod (24) is fixedly connected to the second worm gear (23), the outer side of the second connecting rod (24) is fixedly connected to two connecting blocks (19), the top of the connecting block (19) is fixedly connected to the rear baffle ( 3), a worm gear 2 (22) is rotatably connected to the right side of the sofa bed body (1), the worm gear 2 (22) is meshed with the worm gear 2 (23), one end of the worm gear 2 (22) is fixedly connected to the bevel gear 2 (21), the bevel gear 2 (21) is meshed with the bevel gear 1 (20), a connecting block (25) is fixedly connected to the lower part of one side of the support base (4), a cleaning assembly is provided at the bottom of the connecting block (25), and the cleaning assembly is used to clean the dust at the bottom of the sofa bed body (1).
2. The sofa bed with a quick folding mechanism according to claim 1, characterized in that: The cleaning assembly comprises a brush shell (26), the top of the brush shell (26) is fixedly connected to the bottom of the connecting block (25), a brush plate (28) is slidably connected inside the brush shell (26), and the top of the brush plate (28) is fixedly connected to a spring (29).
3. The sofa bed with a quick folding mechanism according to claim 1, characterized in that: The outer side of the connecting rod 1 (8) is rotatably connected to the inside of the sofa bed body (1).
4. The sofa bed with a quick folding mechanism according to claim 2, characterized in that: The top end of the spring (29) is fixedly connected to the inner top wall of the brush housing (26).
5. The sofa bed with a quick folding mechanism according to claim 1, characterized in that: The bottom end of the support base (4) is rotatably connected to two pulleys (7).
6. The sofa bed with a quick folding mechanism according to claim 1, characterized in that: The outer side of the push block (15) is slidably connected to the interior of the sofa bed body (1), and the outer side of the support base (4) is slidably connected to the interior of the sofa bed body (1).
7. The sofa bed with a quick folding mechanism according to claim 1, characterized in that: The four corners of the bottom of (1) are fixedly connected with support legs (6).
8. The sofa bed with a quick folding mechanism according to claim 1, characterized in that: The outer side of the sliding block (16) is slidably connected to the inside of the pushing block (15).