Sofa hardware fitting capable of swinging to adjust comfort level of sofa
By designing sofa hardware accessories with rotating connections and limiting structures, the problems of sofa backrest misalignment and installation difficulty have been solved, enabling the adjustment of sofa comfort and stable installation.
Patent Information
- Application Number
- CN202520594809.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-04-01
AI Technical Summary
The lack of swing adjustment function in sofa hardware accessories on the market causes the backrest to shift, affecting comfort, and makes installation difficult.
A sofa hardware accessory was designed, comprising components such as a connecting plate, a lower base plate, a lower swivel, a first swivel arm, a second swivel arm, and an upper swivel. The backrest can be stably swayed and adjusted through a rotating connection and a limiting structure, and the accessory can be securely installed through fasteners and snap-fit connections.
It improves the comfort of the sofa, reduces the difficulty of installation, allows the backrest to be adjusted as needed, and ensures that the accessories swing stably inside the sofa to prevent wobbling.
Smart Images

Figure CN223773414U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sofa accessory technical field, concretely is a sofa hardware fitting that can swing and adjust sofa comfort degree. BACKGROUND
[0002] Sofa hardware fitting refers to various hardware components used in furniture production and use process, installed on the sofa, these fittings play the role of connection, fixation and support in sofa hardware fitting, ensure the stability and functionality of sofa. Part of adjustable backrest sofa needs to use rotatable backrest support fittings to install and stabilize the sofa backrest.
[0003] Part of sofa hardware fittings on the market does not have swing adjustment function, or the backrest is easy to deviate during swing, which affects the comfort of sofa, and part of sofa hardware fittings needs to be assembled directly on the sofa during installation, which is difficult to install, therefore, the utility model provides a sofa hardware fitting that can swing and adjust sofa comfort degree. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a sofa hardware fitting that can swing and adjust sofa comfort degree to solve the problems in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme: a sofa hardware fitting that can swing and adjust sofa comfort degree, comprising:
[0006] The connecting plate is provided with a lower bottom plate at the upper end through a bolt, the upper surface of the lower bottom plate is fixed with a lower swivel seat through a bolt, the inner side of one end of the lower swivel seat is connected with a first swivel arm of arc shape through a rotating shaft, the inner side of the other end of the lower swivel seat is connected with a second swivel arm of arc shape through a rotating shaft, the other end of the first swivel arm and the second swivel arm is connected with an upper swivel seat through a rotating shaft, and the top end outer wall of the upper swivel seat is fixed with an upper bottom plate through a bolt.
[0007] Further, the connecting plate, the lower bottom plate and the lower swivel seat are closely fitted, the first swivel arm and the second swivel arm are rotatably connected with the lower swivel seat, and the top end of the first swivel arm and the second swivel arm are of the same shape.
[0008] Further, the arc center directions of the first swivel arm and the second swivel arm are opposite, the first swivel arm and the second swivel arm are rotatably connected with the upper swivel seat, and the rotating track of the upper swivel seat is arc-shaped.
[0009] Further, the upper swivel seat is parallel to the lower swivel seat through the first swivel arm and the second swivel arm, and the upper bottom plate is parallel to the lower bottom plate through the upper swivel seat and the lower swivel seat.
[0010] Further, the side outer wall of the connecting plate is vertically fixed with a fastening block, the connecting place between the lower bottom plate and the fastening block is fixed with a fastening plate, the inner side surface of the fastening block is fixed with the fastening plate through bolts, the outer wall of the end of the connecting plate away from the fastening block is vertically connected with a clamping plate, the connecting place between the clamping plate and the connecting plate is provided with an embedding groove, and the connecting place between the lower bottom plate and the embedding groove is fixed with a clamping block.
[0011] Further, the lower bottom plate is threadedly connected between the fastening plate and the connecting plate through the fastening block, the clamping block is symmetrically arranged about the central axis of the lower bottom plate, and the lower bottom plate is clampedly connected between the clamping block and the connecting plate through the embedding groove.
[0012] Compared with the prior art, the sofa hardware fitting capable of swinging adjustment of sofa comfort degree has the beneficial effects that:
[0013] The sofa hardware fitting capable of swinging adjustment of sofa comfort degree is provided with the upper bottom plate, the first rotating arm and the second rotating arm are limited to rotate, the horizontal state is kept to move, the fitting can be stably swung and adjusted in the sofa, the use comfort degree of the sofa using the fitting is improved, the connecting plate fixed through the fastener is matched, the fitting is convenient to install and use in the sofa, and the installation difficulty is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front view structural schematic diagram of a combined state of the utility model;
[0015] Figure 2 It is a structural schematic diagram of a disassembled state of the lower bottom plate and the connecting plate of the utility model;
[0016] Figure 3 It is a side view structural schematic diagram of different forms of the fitting rotation of the utility model;
[0017] Figure 4 It is a reverse view structural schematic diagram of a combined state of the utility model.
[0018] In the drawing: 1, connecting plate; 2, lower bottom plate; 3, lower rotating seat; 4, first rotating arm; 5, second rotating arm; 6, upper rotating seat; 7, upper bottom plate; 8, fastening block; 9, fastening plate; 10, clamping plate; 11, embedding groove; 12, clamping block. DETAILED DESCRIPTION
[0019] 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 other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0020] The utility model discloses a can swing adjust sofa comfort degree's sofa hardware fitting through improvement, please refer to Figures 1-3 , including: the upper end of connecting plate 1 is installed with lower bottom plate 2 through bolt, the upper surface of lower bottom plate 2 is fixed with lower swivel base 3 through bolt, and connecting plate 1, lower bottom plate 2 and lower swivel base 3 are closely bonded, and the inner side of one end of lower swivel base 3 is connected with arc first swing arm 4 through pivot, and the inner side of the other end of lower swivel base 3 is connected with arc second swing arm 5 through pivot, and first swing arm 4 and second swing arm 5 and lower swivel base 3 between constitute the rotation connection, and the arc center direction of first swing arm 4 and second swing arm 5 is opposite, and the other end of first swing arm 4 and second swing arm 5 is connected with upper swivel base 6 through pivot, and the shape of the connecting place of first swing arm 4 and second swing arm 5 and upper swivel base 6 is same, and the top end part shape of first swing arm 4 and second swing arm 5 is same, so that first swing arm 4 and second swing arm 5 are rotated to the maximum angle, and the movement of upper swivel base 6 is positioned through the contact of top end and upper swivel base 6, prevent upper swivel base 6 and upper bottom plate 7 from tilting, and the rotation track of upper swivel base 6 is limited;First swing arm 4 and second swing arm 5 and upper swivel base 6 constitute the rotation connection, and the rotation track of upper swivel base 6 is arc, and upper swivel base 6 is parallel between first swing arm 4 and second swing arm 5 and lower swivel base 3, and the top end outer wall of upper swivel base 6 is fixed with upper bottom plate 7 through bolt, and upper bottom plate 7 is parallel between upper swivel base 6 and lower swivel base 3 and lower bottom plate 2, and the upper bottom plate 7 set is positioned rotation through first swing arm 4 and second swing arm 5, keeps horizontal state and moves, so that the accessory can be more stable swing adjustment inside the sofa, and the shaking amplitude is extremely small, improves the use comfort of the sofa of using the accessory.
[0021] Please refer to Figures 2-4 A sofa hardware fitting can swing adjust sofa comfort degree, including: the one side outer wall of connecting plate 1 is fixed with fastening block 8 vertically, and the connecting place of lower bottom plate 2 and fastening block 8 is fixed with fastening plate 9, and fastening plate 9 is fixed on the inner side surface of fastening block 8 through bolt, and lower bottom plate 2 constitutes the screw connection between fastening plate 9 and fastening block 8 and connecting plate 1, and fastening block 8 and fastening plate 9 are used for connecting fastening lower bottom plate 2 and connecting plate 1 using fastener;The end outer wall of connecting plate 1 away from fastening block 8 is connected with clamping plate 10 vertically, and the connecting place of clamping plate 10 and connecting plate 1 is provided with embedding groove 11, and the connecting place of lower bottom plate 2 and embedding groove 11 is fixed with clamping block 12, and clamping block 12 is symmetrically arranged about the central axis position of lower bottom plate 2, and lower bottom plate 2 constitutes the clamping connection between clamping block 12 and embedding groove 11 and connecting plate 1, and the clamping block 12 set is used to make lower bottom plate 2 accurately placed in the preset area on connecting plate 1, prevent lower bottom plate 2 from being misaligned when installing or misaligned when using the accessory, affect the stability when using the accessory.
[0022] Working principle: for this kind of can swing adjustment sofa comfort degree's sofa hardware accessories, first installation personnel use fastener to fix the connecting plate 1 of the accessory at the point where the sofa needs to use the accessory, then install and connect other structures of the accessory, so that the accessory can be quickly installed on the connecting plate 1 after combination, more simple and fast than the installation mode of direct combination in the inside of the sofa, reduce the installation difficulty of the accessory, then the accessory can be limited to rotate in the inside of the upper rotating seat 6 and the lower rotating seat 3 through the first rotating arm 4 and the second rotating arm 5, adjust the upper plate 7, and the upper plate 7 is clamped and limited between the top end of the first rotating arm 4 and the second rotating arm 5 and the upper rotating seat 6, so that the upper plate 7 can keep horizontal and stable state for swing adjustment, so that the sofa backrest and other components installed on the upper plate 7 can be adjusted, so that the sofa user can adjust the sofa according to the demand, improve the comfort of the sofa, finally when the lower plate 2 is installed with the connecting plate 1, the lower plate 2 is first clamped and fixed with the embedded groove 11 in the inside of the clamping plate 10 through the clamping block 12, to prevent the lower plate 2 from sliding and shifting, then use fastener to connect and stabilize the fastening plate 9 and the fastening block 8, so that the lower plate 2 and the connecting plate 1 will not produce shaking and shifting when the accessory swings and adjusts.
[0023] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A sofa hardware capable of swing adjustment of sofa comfort, characterized in that, Include: The connecting plate (1), the upper end of the connecting plate (1) is provided with a lower bottom plate (2) by bolt mounting, the upper surface of the lower bottom plate (2) is fixed with a lower swivel seat (3) by bolt, one end of the lower swivel seat (3) is connected with the first arc-shaped swivel arm (4) through the rotating shaft, the other end of the lower swivel seat (3) is connected with the second arc-shaped swivel arm (5) through the rotating shaft, the other end of the first swivel arm (4) and the second swivel arm (5) is connected with the upper swivel seat (6) through the rotating shaft, the top end of the outer wall of the upper swivel seat (6) is fixed with the upper bottom plate (7) by bolt.
2. The sofa hardware assembly capable of adjusting the sofa comfort by swinging according to claim 1, wherein: The connecting plate (1), the lower bottom plate (2) and the lower swivel seat (3) are closely fitted, and the first swivel arm (4) and the second swivel arm (5) are connected with the lower swivel seat (3), and the top of the first swivel arm (4) and the second swivel arm (5) is the same shape.
3. The sofa hardware assembly capable of adjusting the sofa comfort by swinging according to claim 1, wherein: The arc center direction of the first swivel arm (4) and the second swivel arm (5) is opposite, and the first swivel arm (4) and the second swivel arm (5) are connected with the upper swivel seat (6), and the rotating track of the upper swivel seat (6) is arc-shaped.
4. The sofa hardware assembly capable of adjusting the sofa comfort by swinging according to claim 1, wherein: The upper swivel seat (6) is parallel between the first swivel arm (4) and the second swivel arm (5) and the lower swivel seat (3), and the upper bottom plate (7) is parallel between the upper swivel seat (6) and the lower swivel seat (3) and the lower bottom plate (2).
5. The sofa hardware assembly capable of adjusting the sofa comfort by swinging according to claim 1, wherein: The outer wall of one side of the connecting plate (1) is fixed with a fastening block (8) vertically, the connecting part of the lower bottom plate (2) and the fastening block (8) is fixed with a fastening plate (9), and the fastening plate (9) is fixed on the inner side surface of the fastening block (8) by bolt, the outer wall of one end of the connecting plate (1) away from the fastening block (8) is connected with a clamping plate (10) vertically, the connecting part of the clamping plate (10) and the connecting plate (1) is provided with an embedding groove (11), and the connecting part of the lower bottom plate (2) and the embedding groove (11) is fixed with a clamping block (12).
6. The sofa hardware assembly capable of adjusting the sofa comfort by swinging according to claim 5, wherein: The lower bottom plate (2) is connected between the fastening plate (9) and the fastening block (8) and the connecting plate (1) by screw thread, the clamping block (12) is symmetrically arranged about the central axis of the lower bottom plate (2), and the lower bottom plate (2) is connected between the clamping block (12) and the embedding groove (11) and the connecting plate (1) by clamping.