Combined sofa convenient to separate and clean
By installing components such as dustproof plates, positioning blocks, and linkage sliders on the sofa frame, the sofa cushions and backrests can be easily disassembled and assembled, solving the problem of dust accumulation in the gaps and improving cleaning efficiency and stability.
Patent Information
- Application Number
- CN202422982561.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The existing sofas have gaps between the seat cushions and backrests, which makes it easy for dust and impurities to get trapped, making cleaning inconvenient and affecting the lifespan of the sofa.
The design incorporates components such as a dustproof plate, positioning blocks, hanging blocks, transmission screws, and magnets on the inner wall of the sofa frame groove. Through a linkage slider and gear mechanism, the seat cushion and backrest components can be easily disassembled and fixed, preventing dust accumulation.
It improves the cleaning efficiency and stability of the sofa, reduces dust accumulation, and enhances the overall practicality and aesthetics.
Smart Images

Figure CN223731059U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sofa technical field, concretely is a combined sofa convenient to separate and clean. BACKGROUND
[0002] Sofa is a kind of common furniture, according to material, genuine leather sofa is made of natural animal skin, such as cowhide, sheepskin etc., cowhide sofa is more common, with soft and comfortable, good air permeability, wear resistance and durability etc., head layer cowhide sofa quality is best, texture is natural, touch is delicate, cloth sofa is made of various cloth, such as cotton, hemp, flannel, science and technology cloth etc.Cotton and hemp cloth sofa has good air permeability, gives a natural and simple feeling, flannel sofa feels soft, and warm-keeping is strong, and comfortable, science and technology cloth combines the advantages of leather and cloth, with waterproof, stain-resistant, wear-resistant etc., also has the softness and air permeability of cloth, the frame of solid wood sofa is made of solid wood, such as redwood, oak, walnut etc., is matched with sponge, fabric or leather etc.
[0003] The existing sofa is not designed as a whole between cushion and backrest, and there is a gap between the cushions, so that dust and impurities can hide in the gap, which is not convenient to clean the gap, resulting in impurities accumulation affecting the service life of the sofa, reducing the overall practicability. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a combined sofa convenient to separate and clean to solve the problem that the cushion and backrest are not designed as a whole, and there is a gap between the cushions, so that dust and impurities can hide in the gap, which is not convenient to clean the gap, resulting in impurities accumulation affecting the service life of the sofa, reducing the overall practicability.
[0005] To achieve the above object, the utility model provides the following technical scheme: A combined sofa convenient to separate and clean, sofa frame body is provided with recess on its surface, the upper surface of sofa frame body recess is provided with cushion assembly, the lower surface of cushion assembly is fixedly connected with positioning clamping block, the upper end of sofa frame body is provided with backrest assembly, the side surface of backrest assembly is fixedly connected with hanging clamping block, the upper surface of sofa frame body is fixedly connected with upper limiting block, the inside of sofa frame body is provided with horizontal cavity, transmission lead screws are rotatably connected to the inner wall of sofa frame body horizontal cavity, two linkage sliding blocks are installed on the surface of transmission lead screws, the surface of linkage sliding block is fixedly connected with first magnet, two linkage support rods are slidably connected in sofa frame body horizontal cavity, the one end of linkage support rod is fixedly connected with second magnet, the outer surface of linkage support rod is fixedly connected with extrusion sliding block, the inner wall of sofa frame body horizontal cavity is slidably connected with locking clamping block, the inside of sofa frame body is provided with vertical cavity, linkage fixing mechanism is arranged in the inside of sofa frame body vertical cavity, which drives second gear and adjusting lead screw to rotate through transmission lead screw and first gear and in turn drives pressing sliding plate to ascend and descend.
[0006] Preferably, the included angle of the inner wall of the sofa frame body recess is L-shaped, and a dustproof plate is integrally formed at the included angle of the inner wall of the sofa frame body recess.
[0007] The arc-shaped design of the dustproof plate of the inner wall of the sofa frame body recess prevents dust from accumulating at the included angle, improving the convenience of cleaning.
[0008] Preferably, the positioning clamping block penetrates the horizontal cavity of the sofa frame body, the surface of the positioning clamping block is provided with a recess, the hanging clamping block is L-shaped, and the backrest assembly and the upper limiting block form a clamping connection.
[0009] The positioning clamping block positions the cushion assembly, and the hanging clamping block and the upper limiting block limit the backrest assembly.
[0010] Preferably, the outer surfaces of the two ends of the transmission lead screw are oppositely threaded, the transmission lead screw is threadedly connected with the two linkage sliding blocks, the linkage sliding blocks are slidably connected with the sofa frame body, and the opposite poles of the first magnet and the second magnet are opposite.
[0011] The above technical scheme rotates the transmission lead screw to drive the two linkage sliding blocks to slide towards each other, so that the first magnet on the surface of the linkage sliding block corresponds to and attracts the second magnet.
[0012] Preferably, a spring is connected between the linkage support rod and the sofa frame body, the surface of the extrusion slider is designed to be inclined, and the end of the locking block towards the extrusion slider is designed to be arc-shaped.
[0013] By the above technical scheme, the second magnet is attracted to drive the linkage support rod to slide, so that the linkage support rod drives the extrusion slider to release the locking block.
[0014] Preferably, the linkage fixing mechanism comprises a first gear fixedly connected to the outer surface of the transmission screw, two second gears rotatably connected to the top surface of the horizontal cavity of the sofa frame body, and two adjusting screws rotatably connected to the inner wall of the vertical cavity of the sofa frame body, wherein the outer surface of each adjusting screw is provided with a pressing slide plate.
[0015] By the above technical scheme, the rotation of the transmission screw drives the first gear to rotate, and the first gear drives the second gear and the adjusting screw to rotate.
[0016] Preferably, the first gear and the second gear are correspondingly arranged and meshingly connected, the end of the rotating shaft of the second gear is fixedly connected to the lower end of the adjusting screw, the adjusting screw is threadedly connected to the pressing slide plate, and the pressing slide plate is slidably connected to the sofa frame body.
[0017] By the above technical scheme, the rotation of the adjusting screw drives the two pressing slide plates on the surface to vertically slide, so as to press and fix the hanging block.
[0018] Compared with the prior art, the combined sofa convenient to separate and clean has the advantages that:
[0019] 1. The positioning block and the hanging block are arranged, so that when the device works, the seat cushion assembly is positioned by being inserted into the horizontal cavity of the sofa frame body, the backrest assembly is limited by being clamped by the L-shaped hanging block in the vertical cavity of the sofa frame body, and the backrest assembly is further locked by the upper limiting block, so as to facilitate the disassembly and fixing of the seat cushion assembly and the backrest assembly, improve the cleaning efficiency of the device, and reduce dust accumulation by the arc-shaped dustproof plate integrally formed in the groove of the sofa frame body, thereby increasing the cleaning convenience.
[0020] 2. The extrusion slider and the locking block are arranged, so that when the device works, the linkage slider and the first magnet are driven to slide by rotating the transmission screw, the horizontal sliding of the linkage support rod is controlled by the first magnet and the second magnet, and then the linkage support rod drives the locking block to move through the extrusion slider, so as to facilitate the clamping and limiting of the positioning block, increase the stability of the installation of the positioning block and the seat cushion assembly, and improve the disassembly efficiency of the seat cushion assembly.
[0021] 3. The adjusting screw is provided with the pressing slide plate, when the device works, the first gear is driven to move by the transmission screw rotating, the second gear and the adjusting screw are driven to rotate by the first gear, the pressing slide plate is driven to slide vertically by the adjusting screw through the thread, the hanging clamping block is fixed after being installed, the stability of the hanging clamping block is improved. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the three-dimensional structure schematic view of the sofa frame body and the cushion assembly connection of the utility model;
[0023] Figure 2 It is the three-dimensional structure schematic view of the sofa frame body and the upper limiting block connection of the utility model;
[0024] Figure 3 It is the three-dimensional structure schematic view of the backrest assembly and the hanging clamping block connection of the utility model;
[0025] Figure 4 It is the three-dimensional structure schematic view of the transmission screw and the linkage sliding block connection of the utility model;
[0026] Figure 5 It is the three-dimensional structure schematic view of the linkage support rod and the extrusion sliding block connection of the utility model;
[0027] Figure 6 It is the three-dimensional structure schematic view of the adjusting screw and the pressing slide plate connection of the utility model.
[0028] In the drawing: 1, sofa frame body; 2, cushion assembly; 3, positioning clamping block; 4, backrest assembly; 5, hanging clamping block; 6, upper limiting block; 7, transmission screw; 8, linkage sliding block; 9, first magnet; 10, linkage support rod; 11, second magnet; 12, extrusion sliding block; 13, locking clamping block; 14, first gear; 15, second gear; 16, adjusting screw; 17, pressing slide plate. DETAILED DESCRIPTION
[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0030] Please refer to Figures 1-6The utility model provides a technical scheme: a combined sofa convenient to separate and clean, including sofa frame body 1, cushion subassembly 2, positioning clamping block 3, backrest subassembly 4, hang and set clamping block 5, upper limit block 6, transmission screw 7, linkage sliding block 8, first magnet 9, linkage support rod 10, second magnet 11, extrusion sliding block 12, locking clamping block 13, first gear wheel 14, second gear wheel 15, adjusting screw 16 and pressing slide 17, sofa frame body 1, its surface is provided with recess, sofa frame body 1 recess upper surface is provided with cushion subassembly 2, the lower surface of cushion subassembly 2 is fixedly connected with positioning clamping block 3, the included angle of sofa frame body 1 recess inner wall is L type design, and the included angle of sofa frame body 1 recess inner wall is integrally formed with dustproof plate, and the dustproof plate surface of sofa frame body 1 is arc design, when using the device, first, the positioning clamping block 3 of cushion subassembly 2 lower surface is inserted in sofa frame body 1 surface, then hang and set clamping block 5 of backrest subassembly 4 side surface is clamped in sofa frame body 1 upper end side surface and is positioned, further positioning backrest subassembly 4 is carried out through upper limit block 6, by rotating transmission screw 7, transmission screw 7 drives two linkage sliding blocks 8 to slide, makes linkage sliding block 8 drive first magnet 9 and second magnet 11 misregistration.
[0031] The upper end of sofa frame body 1 is provided with backrest subassembly 4, the side surface of backrest subassembly 4 is fixedly connected with hang and set clamping block 5, the upper surface of sofa frame body 1 is fixedly connected with upper limit block 6, positioning clamping block 3 penetrates the horizontal cavity of sofa frame body 1, the surface of positioning clamping block 3 is provided with recess, hang and set clamping block 5 is L type design, backrest subassembly 4 and upper limit block 6 form clamping connection, the screw thread direction of transmission screw 7 both ends outer surface is opposite, transmission screw 7 respectively with two linkage sliding blocks 8 form screw connection, and linkage sliding block 8 and sofa frame body 1 form sliding connection, the opposite poles of first magnet 9 and second magnet 11 towards one end are opposite, after first magnet 9 and second magnet 11 misregistration, linkage support rod 10 is pulled by the spring of one end, make the extrusion sliding block 12 of linkage support rod 10 surface push locking clamping block 13, make locking clamping block 13 clamp positioning clamping block 3, simultaneously transmission screw 7 drive first gear wheel 14 rotation, make first gear wheel 14 drive second gear wheel 15 and adjusting screw 16 rotation, the downslide of pressing slide 17 is driven by the thread of adjusting screw 16, so as to press the hang and set clamping block 5 through the pressing slide 17, improve the stability of hang and set clamping block 5 and backrest subassembly 4.
[0032] The horizontal cavity is internally provided with the sofa frame body 1, and the transmission screw 7 is rotationally connected to the inner wall of the horizontal cavity of the sofa frame body 1, the transmission screw 7 is provided with two linkage sliding blocks 8 on the surface, the first magnet 9 is fixedly connected to the surface of the linkage sliding block 8, two linkage support rods 10 are slidingly connected in the horizontal cavity of the sofa frame body 1, the second magnet 11 is fixedly connected to one end of the linkage support rod 10, the extrusion sliding block 12 is fixedly connected to the outer surface of the linkage support rod 10, the locking block 13 is slidingly connected to the inner wall of the horizontal cavity of the sofa frame body 1, the spring is connected between the linkage support rod 10 and the sofa frame body 1, the surface of the extrusion sliding block 12 is designed to be inclined, one end of the locking block 13 towards the extrusion sliding block 12 is designed to be arc-shaped, and the spring is connected between the locking block 13 and the sofa frame body 1, when it is needed to separate and clean the device, the transmission screw 7 is reversed, so that the two linkage sliding blocks 8 on the surface of the transmission screw 7 drive the first magnet 9 to correspond to the two second magnets 11, the second magnet 11 is attracted to slide the linkage support rod 10, so that the extrusion sliding block 12 on the surface of the linkage support rod 10 is no longer limited to the locking block 13, then the locking block 13 is pulled and slides by the spring on the surface to unlock the positioning block 3, so that the positioning block 3 is conveniently disassembled.
[0033] The vertical cavity is internally provided in the sofa frame body 1, and the linkage fixing mechanism is internally provided in the vertical cavity of the sofa frame body 1, which drives the second gear 15 and the adjusting screw 16 to rotate through the transmission screw 7 and the first gear 14, and then drives the pressing slide plate 17 to ascend and descend, the linkage fixing mechanism comprises the first gear 14, the first gear 14 is fixedly connected to the outer surface of the transmission screw 7, the top surface of the horizontal cavity of the sofa frame body 1 is rotationally connected with two second gears 15, the inner wall of the vertical cavity of the sofa frame body 1 is rotationally connected with two adjusting screws 16, the outer surface of the adjusting screw 16 is provided with two pressing slide plates 17, the first gear 14 is correspondingly provided with the second gear 15, and the first gear 14 and the second gear 15 are in meshing connection, one end of the rotating shaft of the second gear 15 is fixedly connected with the lower end of the adjusting screw 16, the adjusting screw 16 and the pressing slide plate 17 are in screw connection, and the pressing slide plate 17 and the sofa frame body 1 are in sliding connection, when the transmission screw 7 is reversed, the transmission screw 7 drives the second gear 15 and the adjusting screw 16 to reverse through the first gear 14, so that the adjusting screw 16 drives the pressing slide plate 17 to slide upwards, the hanging block 5 is conveniently loosened, at this time, the upper backrest assembly 4 is separated from the upper limiting block 6, the backrest assembly 4 drives the hanging block 5 to be unlocked with the sofa frame body 1, the backrest assembly 4 is conveniently disassembled, the groove of the sofa frame body 1 is conveniently cleaned, and the dustproof plate of the groove of the sofa frame body 1 is designed to be arc-shaped to prevent dust from accumulating in the corner, and the cleaning convenience is improved.
[0034] Working principle: when using the combined sofa of the application, when the seat cushion assembly 2 and the backrest assembly 4 need to be disassembled, the transmission screw rod 7 is rotated to drive the two linkage sliding blocks 8 to drive the first magnet 9 to correspond and attract the second magnet 11, so that the second magnet 11 drives the linkage support rod 10 to slide, the extrusion sliding block 12 on the surface of the linkage support rod 10 is no longer limited to the locking block 13, the locking block 13 is pulled by the spring to slide to unlock the positioning block 3 and the seat cushion assembly 2, the transmission screw rod 7 is rotated at the same time to drive the first gear 14 to rotate, the first gear 14 drives the second gear 15 and the adjusting screw rod 16 to rotate, the adjusting screw rod 16 drives the pressing sliding plate 17 to slide up through the thread to release the hanging block 5, the backrest assembly 4 is conveniently lifted to be disassembled, and the practicability of the whole is increased.
[0035] Although the embodiments of the application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be substantially changed without departing from the spirit and the scope of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A combined sofa facilitating separation and cleaning, comprising a sofa frame (1) provided with a recess on its surface, the upper surface of the sofa frame (1) recess being provided with a cushion assembly (2), characterized in that: The lower surface of the seat cushion assembly (2) is fixedly connected with a positioning clamping block (3), the upper end of the sofa frame body (1) is provided with a backrest assembly (4), the side surface of the backrest assembly (4) is fixedly connected with a hanging clamping block (5), the upper surface of the sofa frame body (1) is fixedly connected with an upper limiting block (6), the sofa frame body (1) is internally provided with a horizontal cavity, and a transmission lead screw (7) is rotatably connected to the inner wall of the horizontal cavity of the sofa frame body (1), two linkage sliding blocks (8) are mounted on the surface of the transmission lead screw (7), a first magnet (9) is fixedly connected to the surface of the linkage sliding block (8), two linkage supporting rods (10) are slidably connected in the horizontal cavity of the sofa frame body (1), a second magnet (11) is fixedly connected to one end of the linkage supporting rod (10), an extrusion sliding block (12) is fixedly connected to the outer surface of the linkage supporting rod (10), a locking clamping block (13) is slidably connected to the inner wall of the horizontal cavity of the sofa frame body (1), and the sofa frame body (1) is internally provided with a vertical cavity, and a linkage fixing mechanism is arranged in the vertical cavity of the sofa frame body (1), which drives a second gear (15) and an adjusting lead screw (16) to rotate through a transmission lead screw (7) and a first gear (14), and in turn drives a pressing sliding plate (17) to ascend and descend.
2. The combination sofa of claim 1, wherein: The included angle of the groove inner wall of the sofa frame body (1) is designed as L-shaped, and a dustproof plate is integrally formed at the included angle of the groove inner wall of the sofa frame body (1).
3. The combination sofa of claim 1, wherein: The positioning clamping block (3) penetrates the horizontal cavity of the sofa frame body (1), the surface of the positioning clamping block (3) is provided with a groove, the hanging clamping block (5) is designed as L-shaped, and the backrest assembly (4) and the upper limiting block (6) are in clamping connection.
4. The combination sofa of claim 1, wherein: The outer surfaces of the two ends of the transmission lead screw (7) are oppositely threaded, the transmission lead screw (7) is in threaded connection with the two linkage sliding blocks (8) respectively, the linkage sliding block (8) is in sliding connection with the sofa frame body (1), and the opposite poles of the first magnet (9) and the second magnet (11) are opposite.
5. The combination sofa of claim 1, wherein: A spring is connected between the linkage supporting rod (10) and the sofa frame body (1), the surface of the extrusion sliding block (12) is designed as inclined, one end of the locking clamping block (13) towards the extrusion sliding block (12) is designed as arc-shaped, and a spring is connected between the locking clamping block (13) and the sofa frame body (1).
6. The combination sofa of claim 1, wherein: The linkage fixing mechanism comprises a first gear (14) fixedly connected to the outer surface of the transmission lead screw (7), two second gears (15) rotatably connected to the top surface of the horizontal cavity of the sofa frame body (1), and two adjusting lead screws (16) rotatably connected to the inner wall of the vertical cavity of the sofa frame body (1), and two pressing sliding plates (17) are mounted on the outer surface of the adjusting lead screw (16).
7. The combination sofa of claim 6, wherein: The first gear (14) is arranged correspondingly with the second gear (15), and the first gear (14) and the second gear (15) are in meshing connection, one end of the rotating shaft of the second gear (15) is fixedly connected with the lower end of the adjusting screw (16), the adjusting screw (16) is in threaded connection with the pressing slide plate (17), and the pressing slide plate (17) is in sliding connection with the sofa frame body (1).