Sofa with deformable armrests
By introducing telescopic and adjustable components into the sofa, the problem of inconvenient adjustment of the seat cushion and armrests is solved, enabling convenient telescopic adjustment of the seat cushion and height and angle adjustment of the armrests, thus improving the sofa's flexibility and comfort.
Patent Information
- Application Number
- CN202520281705.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-20
AI Technical Summary
The existing sofa has inconvenient extension and retraction adjustment between the first and second seat cushions, and the armrest adjustment is not flexible enough, which can easily damage the floor and cannot meet different usage needs.
The device employs telescopic and adjustment components, including a drive trapezoidal lead screw, throttle, telescopic plate, limit slider, roller, adjustment motor, and adjustment trapezoidal lead screw, to achieve telescopic adjustment of the first and second seat cushions. The height and angle of the armrests can be adjusted by adjusting the motor and rotating motor.
It enables convenient telescopic adjustment between the first and second seat cushions to prevent damage to the ground, while the height and angle of the armrests can be adjusted as needed, improving the flexibility and comfort of use.
Smart Images

Figure CN223682226U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to sofa technical field, and specifically relates to a sofa with deformable armrests. BACKGROUND
[0002] A sofa is a multi-seat chair with soft cushions, a backrest chair with springs or thick foam plastic, and armrests on both sides. It is a kind of soft furniture. In modern homes, sofas are one of the furniture with the highest usage frequency. There are many materials, styles, and brands, and consumers can choose according to their needs and preferences.
[0003] Chinese patent application No. 202023216047.1 discloses a deformable sofa, which includes a first seat cushion, the bottom of which is connected with four first support legs, the top of which is connected with a first armrest, the top of which is connected with a first seat backrest, the left side of which is provided with a sliding groove, the inner surface of which is provided with a connecting groove, the inside of which is connected with a sliding rod, the outer surface of which is connected with the sliding groove, the outer surface of which is connected with a sliding block, and the outer surface of which is provided with a limiting groove. The deformable sofa can overlap and separate the second seat cushion and the second seat cushion by setting the sliding groove, the connecting groove, the sliding rod, the sliding block, and the structure of the second seat cushion on the first seat cushion. It can reasonably use the space, facilitate the placement of the sofa, and also increase the use area of the sofa, which is convenient for multiple people to sit on the sofa at the same time.
[0004] The above-mentioned patent is inconvenient to adjust the extension between the first seat cushion and the second seat cushion. When adjusting, the support legs and the ground rub against each other, which damages the ground and makes the structure less practical. Moreover, it is inconvenient to adjust the armrest according to the needs of use. UTILITY MODEL CONTENTS
[0005] To solve the problems raised in the background art, the utility model provides a sofa with deformable armrests, which can conveniently adjust the extension between the first seat cushion and the second seat cushion, and facilitate the adjustment of the armrest according to the needs of use.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sofa with deformable armrests, which includes a first seat cushion, one end of which is provided with an armrest body, one side of which is fixedly connected with a first backrest, the upper side of which is slidably connected with a second seat cushion, the upper side of which is placed with an auxiliary cushion, one end of which is fixedly connected with a second backrest, the connecting part of the first seat cushion and the second seat cushion is provided with an extension assembly, and the upper side of the armrest body is provided with an adjusting assembly.
[0007] Preferably, the telescopic assembly comprises a driving trapezoidal screw rod, a rotating handle, a telescopic plate, a limiting sliding block, a limiting sliding groove and an auxiliary assembly, wherein the inside of the first seat cushion is rotationally connected with the driving trapezoidal screw rod, one end of the driving trapezoidal screw rod is fixedly connected with the rotating handle, the surface of the driving trapezoidal screw rod is threadedly connected with the telescopic plate, the other end of the telescopic plate is fixedly connected with the second seat cushion, the upper side of the telescopic plate is fixedly connected with the limiting sliding block, the inside of the first seat cushion is provided with the limiting sliding groove matched with the limiting sliding block, and the lower side of the supporting leg of the second seat cushion is provided with the auxiliary assembly.
[0008] Preferably, the auxiliary assembly comprises a roller, a bearing frame, a fastening screw rod and a cylindrical fastening block, wherein the lower side of the supporting leg of the second seat cushion is mounted with the roller, the surface of the supporting leg of the second seat cushion is sleeved with the bearing frame, the middle of the bearing frame is threadedly connected with the fastening screw rod, and one end of the fastening screw rod is fixedly connected with the cylindrical fastening block.
[0009] Preferably, one end of the fastening screw rod away from the cylindrical fastening block is fixedly connected with a rotating block, and the surface of the rotating block is fixedly connected with an anti-skid block.
[0010] Preferably, the adjusting assembly comprises an adjusting motor, an adjusting trapezoidal screw rod, a limiting block and an adjusting handrail, wherein the inside of the handrail body is fixedly connected with the adjusting motor, one end of the adjusting motor is fixedly connected with the adjusting trapezoidal screw rod, the adjusting trapezoidal screw rod is rotationally connected with the handrail body, the surface of the adjusting trapezoidal screw rod is threadedly connected with the adjusting handrail, and one end of the adjusting trapezoidal screw rod away from the adjusting motor is fixedly connected with the limiting block.
[0011] Preferably, one side of the second seat cushion is fixedly connected with a rotating seat, the inside of the rotating seat is rotationally connected with a rotating block, one end of the rotating block is fixedly connected with a rotating motor, and the output end of the rotating motor is rotationally connected with the rotating seat.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1、The utility model discloses a telescopic assembly is set up, realized the effect that can conveniently between the first seat cushion and the second seat cushion telescopic adjustment, this structure is convenient to use, directly rotates the rotating handle can, and through the roller, make the second seat cushion can move smoothly, prevent damaging the ground.
[0014] 2、The utility model discloses an adjusting assembly is set up, realized the effect that is convenient for the angle of the handrail according to the need of use, when using, can conveniently the height adjustment of handrail body, and when people want to lie, can the angle of the handrail according to the need of use, make people can comfortably lie. DRAWINGS
[0015] Figure 1 It is the whole structure schematic view of the utility model;
[0016] Figure 2 It is the structure schematic diagram of the front view cut of the first cushion and the second cushion of the utility model;
[0017] Figure 3 It is the structure schematic diagram of the side view cut of the utility model;
[0018] Figure 4 It is the structure schematic diagram of the telescopic assembly of the utility model;
[0019] Figure 5 It is the structure schematic diagram of the auxiliary assembly of the utility model;
[0020] Figure 6 It is the structure schematic diagram of the adjusting assembly of the utility model.
[0021] In the drawing: 1, first cushion;2, armrest body;3, first backrest;4, second cushion;5, second backrest;6, auxiliary pad;7, telescopic assembly;71, driving trapezoidal screw;72, handle;73, telescopic plate;74, limit sliding block;75, limit sliding groove;76, auxiliary assembly;761, roller;762, bearing frame;763, fastening screw;764, cylindrical fastening block;8, adjusting assembly;81, adjusting motor;82, adjusting trapezoidal screw;83, limit block;84, adjusting armrest;85, rotating seat;86, rotating block;87, rotating motor. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with 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 the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Embodiment 1
[0024] Please refer to Figures 1-6 The utility model provides following technical scheme: a kind of armrest deformable sofa, including first cushion 1, first cushion 1 one end is equipped with armrest body 2, first cushion 1 one side is fixedly connected with first backrest 3, the upper slide connection of first cushion 1 is equipped with second cushion 4, auxiliary pad 6 is placed in the upper of second cushion 4, the upper of second cushion 4 is fixedly connected with second backrest 5, first cushion 1 and the connecting place of second cushion 4 are equipped with telescopic assembly 7, the upper of armrest body 2 is equipped with adjusting assembly 8.
[0025] Specifically, the telescopic assembly 7 comprises a driving trapezoidal screw 71, a rotating handle 72, a telescopic plate 73, a limiting sliding block 74, a limiting sliding groove 75 and an auxiliary assembly 76, wherein the driving trapezoidal screw 71 is rotatably connected to the inside of the first seat cushion 1, one end of the driving trapezoidal screw 71 is fixedly connected with the rotating handle 72, the surface of the driving trapezoidal screw 71 is threadedly connected with the telescopic plate 73, the other end of the telescopic plate 73 is fixedly connected with the second seat cushion 4, the limiting sliding block 74 is fixedly connected above the telescopic plate 73, the limiting sliding groove 75 is formed in the first seat cushion 1 and matched with the limiting sliding block 74, and the auxiliary assembly 76 is arranged below the supporting leg of the second seat cushion 4.
[0026] By adopting the above technical scheme, the rotating handle 72 is rotated to drive the driving trapezoidal screw 71 to rotate, and the driving trapezoidal screw 71 is rotated to drive the telescopic plate 73 to move, so as to drive the second seat cushion 4 to be telescopically expanded, thereby facilitating the use of people, and the limiting sliding block 74 and the limiting sliding groove 75 are matched to facilitate the limitation of the movement range of the telescopic plate 73.
[0027] Specifically, the auxiliary assembly 76 comprises a roller 761, a bearing frame 762, a fastening screw 763 and a cylindrical fastening block 764, wherein the roller 761 is arranged below the supporting leg of the second seat cushion 4, the bearing frame 762 is sleeved on the surface of the supporting leg of the second seat cushion 4, the fastening screw 763 is threadedly connected in the middle of the bearing frame 762, and one end of the fastening screw 763 is fixedly connected with the cylindrical fastening block 764.
[0028] By adopting the above technical scheme, the roller 761 facilitates the smooth movement of the second seat cushion 4 during movement, prevents damage to the ground, and after the movement is completed, the bearing frame 762 is attached to the ground, then the fastening screw 763 is rotated to drive the cylindrical fastening block 764 to move, and the bearing frame 762 is fastened on the supporting leg of the second seat cushion 4, so that the bearing frame 762 facilitates auxiliary support and prevents the roller 761 from being damaged due to excessive stress.
[0029] Specifically, one end of the fastening screw 763 away from the cylindrical fastening block 764 is fixedly connected with a rotating block, and the surface of the rotating block is fixedly connected with an anti-skid block.
[0030] By adopting the above technical scheme, the rotating block and the anti-skid block are arranged to facilitate the rotation of the fastening screw 763.
[0031] In use, the embodiment: by rotating the handle 72, the handle 72 rotates to drive the trapezoidal screw rod 71 to rotate, the trapezoidal screw rod 71 rotates to drive the telescopic plate 73 to move, thereby driving the second seat cushion 4 to expand and contract, thereby facilitating use, the limiting slide block 74 and the limiting slide groove 75 cooperate to facilitate limiting the movement range of the telescopic plate 73, the roller 761 facilitates smooth movement of the second seat cushion 4 during movement, prevents damage to the ground, after movement is completed, the bearing frame 762 is attached to the ground, and then the fastening screw 763 is rotated to drive the cylindrical fastening block 764 to move, thereby fastening the bearing frame 762 on the supporting leg of the second seat cushion 4, thereby facilitating auxiliary support through the bearing frame 762, preventing the roller 761 from being damaged due to excessive stress, and enabling the device to conveniently adjust the expansion and contraction between the first seat cushion 1 and the second seat cushion 4 during use, the structure is convenient to use, and the roller 761 enables the second seat cushion 4 to move smoothly, preventing damage to the ground.
[0032] Embodiment 2
[0033] The difference between the embodiment and embodiment 1 is that specifically, the adjusting assembly 8 comprises an adjusting motor 81, an adjusting trapezoidal screw rod 82, a limiting block 83, and an adjusting handrail 84, wherein the inside of the handrail body 2 is fixedly connected with the adjusting motor 81, one end of the adjusting motor 81 is fixedly connected with the adjusting trapezoidal screw rod 82, the adjusting trapezoidal screw rod 82 is rotationally connected with the handrail body 2, the surface of the adjusting trapezoidal screw rod 82 is threadedly connected with the adjusting handrail 84, and the end of the adjusting trapezoidal screw rod 82 away from the adjusting motor 81 is fixedly connected with the limiting block 83.
[0034] By adopting the above technical scheme, the adjusting motor 81 is started to drive the adjusting trapezoidal screw rod 82 to rotate, the adjusting trapezoidal screw rod 82 rotates to drive the adjusting handrail 84 to adjust the height, and the handrail of the device can be adjusted in height.
[0035] Specifically, one side of the second seat cushion 4 is fixedly connected with a rotating seat 85, the inside of the rotating seat 85 is rotationally connected with a rotating block 86, one end of the rotating block 86 is fixedly connected with a rotating motor 87, and the output end of the rotating motor 87 is rotationally connected with the rotating seat 85.
[0036] By adopting the above technical scheme, the rotating motor 87 is started to drive the rotating block 86 to rotate in the rotating seat 85, thereby adjusting the angle of the handrail body 2, thereby facilitating people to lie down to adjust the handrail body 2 to an appropriate angle, thereby being able to lie comfortably.
[0037] In use, the embodiment: by starting the adjusting motor 81, the adjusting motor 81 drives the adjusting trapezoidal screw rod 82 to rotate, and the rotation of the adjusting trapezoidal screw rod 82 drives the adjusting handrail 84 to adjust the height, so that the handrail of the device can be adjusted in height; by starting the rotating motor 87, the rotating motor 87 drives the rotating block 86 to rotate in the rotating seat 85, thereby adjusting the angle of the handrail body 2, so that when people want to lie down, the handrail body 2 can be adjusted to a suitable angle, thereby being able to lie comfortably; when the device is in use, the height of the handrail body 2 can be adjusted conveniently, and when people want to lie down, the angle of the handrail body 2 can be adjusted according to the needs of use, so that people can lie comfortably.
[0038] The structure and use principle of the first cushion 1, the first backrest 3, the second cushion 4 and the second backrest 5 in the utility model have been disclosed in a deformable sofa with Chinese patent application No.
[0039] The utility model discloses a working principle and use flow: the utility model discloses, when using, through telescopic component 7, can spread between first cushion 1 and second cushion 4, flexible use, after unfolding, place auxiliary pad 6 in the vacancy of first cushion 1 and second cushion 4, to be available, when using, through adjusting assembly 8, can according to the need of use to the height and angle of handrail body 2 deformation adjustment, telescopic component 7 when using, through rotating handle 72, handle 72 rotation will drive trapezoidal screw rod 71 rotation, drive trapezoidal screw rod 71 rotation will drive telescopic plate 73 remove, to drive second cushion 4 telescopic unfolding, to facilitate people's use, limit sliding block 74 and limit sliding slot 75 cooperation, convenient for the movement range of telescopic plate 73 is limited, through the gyro wheel 761 convenient second cushion 4 removes, can flow smoothly, prevent damaging ground, after moving, through the bearing frame 762 and ground adhesion, then through rotating fastening screw 763, drive cylindrical fastening block 764 remove, fasten bearing frame 762 on the supporting leg of second cushion 4, to be convenient for auxiliary support through bearing frame 762, prevent gyro wheel 761 from being too big, appear damage, make the device when using, can conveniently carry out telescopic adjustment between first cushion 1 and second cushion 4, the structure convenient to use, and through gyro wheel 761, make second cushion 4 can flow smoothly, prevent damaging ground, adjusting assembly 8 when using, through starting adjusting motor 81, adjusting motor 81 drive adjusting trapezoidal screw rod 82 rotation, adjusting trapezoidal screw rod 82 rotation will drive adjusting handrail 84 and carry out the height adjustment of adjusting handrail, make the handrail of the device can carry out the height adjustment of adjusting handrail, through starting rotary motor 87, rotary motor 87 drive rotary block 86 in rotary seat 85 rotation, to the angle of handrail body 2 carry out adjustment, to facilitate people when lying, can adjust handrail body 2 to the angle of adjusting handrail, to be able to comfortably lie, make the device when using, can conveniently carry out the height adjustment of handrail body 2, and when people want to lie, can according to the need of use, the angle of handrail body 2 carry out adjustment, make people can comfortably lie.
[0040] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A handrail deformable sofa, comprising a first cushion (1), one end of the first cushion (1) is provided with a handrail body (2), one side of the first cushion (1) is fixedly connected with a first backrest (3), the upper side of the first cushion (1) is slidably connected with a second cushion (4), the upper side of the second cushion (4) is placed with an auxiliary cushion (6), one end of the second cushion (4) is fixedly connected with a second backrest (5), characterized in that: The connecting part of the first seat cushion (1) and the second seat cushion (4) is provided with a telescopic assembly (7), and the upper part of the armrest body (2) is provided with an adjusting assembly (8).
2. A sofa with transformable armrests according to claim 1, characterized in that: The telescopic assembly (7) comprises a driving trapezoidal screw rod (71), a rotating handle (72), a telescopic plate (73), a limiting sliding block (74), a limiting sliding groove (75) and an auxiliary assembly (76), wherein the inside of the first seat cushion (1) is rotatably connected with the driving trapezoidal screw rod (71), one end of the driving trapezoidal screw rod (71) is fixedly connected with the rotating handle (72), the surface of the driving trapezoidal screw rod (71) is threadedly connected with the telescopic plate (73), the other end of the telescopic plate (73) is fixedly connected with the second seat cushion (4), the upper part of the telescopic plate (73) is fixedly connected with the limiting sliding block (74), the inside of the first seat cushion (1) is provided with the limiting sliding groove (75) matched with the limiting sliding block (74), and the lower part of the supporting leg of the second seat cushion (4) is provided with the auxiliary assembly (76).
3. A sofa with transformable armrests according to claim 2, characterized in that: The auxiliary assembly (76) comprises a roller (761), a bearing frame (762), a fastening screw rod (763) and a cylindrical fastening block (764), wherein the lower part of the supporting leg of the second seat cushion (4) is installed with the roller (761), the surface of the supporting leg of the second seat cushion (4) is sleeved with the bearing frame (762), the middle of the bearing frame (762) is threadedly connected with the fastening screw rod (763), and one end of the fastening screw rod (763) is fixedly connected with the cylindrical fastening block (764).
4. A sofa with transformable arms according to claim 3, characterized in that: The end of the fastening screw rod (763) away from the cylindrical fastening block (764) is fixedly connected with a rotating block, and the surface of the rotating block is fixedly connected with an anti-skid block.
5. A sofa with transformable arms according to claim 1, characterized in that: The adjusting assembly (8) comprises an adjusting motor (81), an adjusting trapezoidal screw rod (82), a limiting block (83) and an adjusting armrest (84), wherein the inside of the armrest body (2) is fixedly connected with the adjusting motor (81), one end of the adjusting motor (81) is fixedly connected with the adjusting trapezoidal screw rod (82), the adjusting trapezoidal screw rod (82) is rotatably connected with the armrest body (2), the surface of the adjusting trapezoidal screw rod (82) is threadedly connected with the adjusting armrest (84), and the end of the adjusting trapezoidal screw rod (82) away from the adjusting motor (81) is fixedly connected with the limiting block (83).
6. A sofa with transformable armrests according to claim 5, characterized in that: One side of the second seat cushion (4) is fixedly connected with a rotating seat (85), the inside of the rotating seat (85) is rotatably connected with a rotating block (86), one end of the rotating block (86) is fixedly connected with a rotating motor (87), and the output end of the rotating motor (87) is rotatably connected with the rotating seat (85).
Citation Information
Patent Citations
Deformable sofa
CN214072619U