Adjustable sofa supporting piece
By designing adjustable sofa support components, the angle and adaptability of the sofa backrest can be adjusted using movable shafts, insert shafts, and moving components. This solves the problem that traditional sofa support components cannot meet diverse usage needs, and improves user comfort and the adaptability of the support components.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-19
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional sofa support components are fixed structures, which cannot meet the diverse needs of different users. This makes it difficult for users to find the ideal back support angle in different postures, causing fatigue and soreness in the waist and neck.
Design an adjustable sofa support component that combines a movable shaft, a plug shaft, a fixed rod, and a moving component to achieve angle and adaptability adjustment of the sofa backrest. The component includes a movable rod, a connecting rod, a top plate, a moving component, and an adjustment component. The top plate can be adjusted and the extension plate can be expanded by manual operation to accommodate sofa backrests of different sizes.
It improves the comfort and practicality of the sofa by adjusting the angle of the backrest to better fit the user's back curve, avoiding the problem of mismatch between the support components and the backrest, and enhancing the stability of use.
Smart Images

Figure CN224099038U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sofa support technology field, concretely is adjustable sofa support. BACKGROUND
[0002] With the improvement of people's living standards, the requirement of furniture comfort is also increasing. Sofa, as one of the important furniture in the living room, its use experience is widely concerned. The traditional sofa support is mostly fixed structure, which cannot meet the diversified use needs of different users. For example, when watching TV, reading or resting for a long time, the user often hopes that the sofa backrest can be adjusted to different angles to obtain the best comfort, but the fixed support cannot realize this function
[0003] The existing sofa support is mostly designed with fixed angle when in use, which cannot meet the diversified posture needs of human body. Whether it is long reading, watching TV or short rest, the user is difficult to find the ideal back support angle, for example, when watching TV programs for a long time, the body needs to lean forward to obtain better vision, but the fixed angle backrest cannot provide corresponding support, which causes the waist and neck to bear additional pressure, easily causing fatigue and soreness, thereby reducing the use comfort of the sofa. SUMMARY
[0004] The utility model aims at providing a kind of adjustable sofa support to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable sofa support, including support plate, the support bottom plate top one end is hinged with movable rod, the support plate other end is fixedly installed with connecting rod, the connecting rod top is provided with top plate, the top plate surface is provided with moving assembly, the connecting rod outer side is provided with adjusting assembly;
[0006] The adjusting assembly includes:
[0007] Movable shaft, movable shaft is used to connect top plate and connecting rod;
[0008] Insert shaft, insert shaft is used to limit movable shaft;
[0009] Fixed rod, fixed rod is used to control the sliding of insert shaft on the surface of fixed rod to move.
[0010] Preferably, the movable shaft is fixedly installed at one end of the bottom of the top plate, the movable shaft is rotatably connected to the inside of the connecting rod, the inside of the movable shaft is fixedly installed with an internal gear ring, the inside of the top plate is slidably connected with a fixed plate, the fixed strip is slid by manually pulling the handle away from the outer wall of the fixed plate, when the fixed strip slides, the insert shaft slides on the surface of the fixed rod, and the fixed rod is fixedly installed on the inside of the fixed plate.
[0011] Preferably, the fixed spring is fixedly installed on the surface of the fixed rod, and the insertion shaft penetrates the movable shaft.
[0012] Preferably, the fixed strip is fixedly installed on the surface of the fixed rod, and the handle is fixedly installed on the surface of the fixed strip.
[0013] Preferably, the moving assembly comprises: the lengthened plate, the movable plate is driven to swing upward on the inner side of the lengthened plate by manually pressing downward, the insertion block is driven to swing upward when the movable plate swings upward, so that the restriction of the insertion block on the toothed plate is released, and the lengthened plate can expand outward in the interior of the top plate.
[0014] Preferably, the surface of the movable plate is fixedly installed with the volute spring, the volute spring is fixedly installed in the interior of the lengthened plate, the top of the top plate is fixedly installed with the toothed plate, and the insertion block is inserted into the bottom of the toothed plate.
[0015] Preferably, the outer side of the movable rod is provided with a groove, the sliding shaft can be driven to slide on the surface of the movable rod, and the bottom of the lengthened plate is provided with a hole.
[0016] Compared with the prior art, the adjustable sofa support has the following beneficial effects:
[0017] 1. The adjustable sofa support, by manually pulling the handle to drive the fixed bar and the shaft in the surface of the fixed rod sliding, when the shaft sliding will remove the shaft to the inner tooth ring and the movable shaft limit, for this can through the use of personnel by the pressure to drive the movable shaft through the top plate adjustment, when the top plate adjustment will drive the other end of the top plate through the sliding shaft in the surface of the connecting rod down swing, thus realizing the adjustment of the sofa backrest, prevent the use of personnel in the use of the sofa its top backrest because of the backrest angle fixed and can not obtain comfortable support, by adjusting the angle of the sofa backrest, can make the sofa backrest better fit the user's back curve, provide good support for the user's back, waist and etc., improve the comfort of the user and the practicality of the sofa backrest.
[0018] 2. The adjustable sofa support, by manually pressing the movable plate down to drive the movable plate in the inside of the extension plate swing up, when the movable plate swing up will drive the plug block swing up, so as to remove the plug block to the limit of the tooth plate, and make the extension plate can expand outward in the inside of the top plate, so as to make the plug block reinserted in the surface of the tooth plate for fixing, realize the effect of top plate adjustment limit, prevent the sofa support and different size of sofa backrest do not match, because the size of the sofa backrest may be different due to style, brand and other factors, this adjusting structure can avoid the support too small can not completely support the backrest, or too large and can not install, improve the adaptability and use stability of the support. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is front view structure schematic diagram of the utility model;
[0020] Figure 2 It is top view structure schematic diagram of the utility model;
[0021] Figure 3 It is adjusting assembly part section front view structure schematic diagram of the utility model;
[0022] Figure 4 It is shaft front view structure schematic diagram of the utility model;
[0023] Figure 5 It is inner tooth ring front view structure schematic diagram of the utility model;
[0024] Figure 6 It is mobile assembly part setting structure schematic diagram of the utility model;
[0025] Figure 7 It is tooth plate front view structure schematic diagram of the utility model.
[0026] In the figure: 1, support plate; 2, movable rod; 3, connecting rod; 4, top plate; 5, moving assembly; 51, lengthening plate; 52, movable plate; 53, plug; 54, volute spring; 55, toothed plate; 6, adjusting assembly; 61, movable shaft; 62, plug shaft; 63, fixed rod; 64, fixed plate; 65, fixed spring; 66, fixed strip; 67, handle; 68, sliding shaft; 69, inner tooth ring; 20, groove; 510, hole. DETAILED DESCRIPTION
[0027] As Figures 1-7 shown, the utility model provides a technical scheme: a adjustable sofa support spare, including support plate 1, support bottom plate top one end is hinged with movable rod 2, support plate 1 other end fixedly installed with connecting rod 3, and connecting rod 3 top is provided with top plate 4, and top plate 4 surface is provided with moving assembly 5, and connecting rod 3 outside is provided with adjusting assembly 6;Adjusting assembly 6 includes: movable shaft 61, plug shaft 62, fixed rod 63, fixed plate 64, fixed spring 65, fixed strip 66, handle 67, sliding shaft 68, inner tooth ring 69.
[0028] Movable shaft 61 fixedly installed at the bottom of one end of top plate 4, movable shaft 61 is rotatably connected in the inside of connecting rod 3, and movable shaft 61 is fixedly installed with inner tooth ring 69 in the inside, and the inside of fixed plate 64 is slidably connected with top plate 4, and the outer wall of fixed plate 64 is pulled to drive the sliding of fixed strip 66 by hand, when fixed strip 66 slides, it will drive plug shaft 62 to slide on the surface of fixed rod 63, fixed rod 63 is fixedly installed on the inside of fixed plate 64, plug shaft 62 is slidably connected on the surface of fixed rod 63, fixed spring 65 is fixedly installed on the outside of plug shaft 62, fixed spring 65 is fixedly installed on the surface of fixed rod 63, plug shaft 62 penetrates movable shaft 61, fixed strip 66 is fixedly installed on the outside of plug shaft 62, handle 67 is fixedly installed on the surface of fixed strip 66, the other end of top plate 4 is rotatably connected with sliding shaft 68, sliding shaft 68 is slidably connected on the outer wall of movable rod 2, and the pressure of the person using is used to drive top plate 4 to adjust by movable shaft 61, when top plate 4 is adjusted, the other end of top plate 4 will swing down on the surface of connecting rod 3 by sliding shaft 68, so that the adjustment of sofa backrest is realized, prevent the backrest of the top of the user when using sofa from being unable to obtain comfortable support because of the fixed backrest angle, by adjusting the angle of sofa backrest, the sofa backrest can better fit the back curve of the user, and good support is provided for the back, waist and the like of the user, and the comfort of the user and the practicality of sofa backrest are improved.
[0029] The moving assembly 5 comprises: an elongated plate 51, the movable plate 52 is driven to swing upward on the inner side of the elongated plate 51 by manually pressing downward, when the movable plate 52 swings upward, the plug block 53 is driven to swing upward, thereby releasing the restriction of the plug block 53 to the toothed plate 55, and the elongated plate 51 can expand outward in the inside of the top plate 4, the elongated plate 51 is slidingly connected in the inside of the top plate 4, the movable plate 52 is hingedly connected at the top of the elongated plate 51, the plug block 53 is fixedly installed at the bottom of the movable plate 52, the surface of the movable plate 52 is fixedly installed with a volute spring 54, the volute spring 54 is fixedly installed in the inside of the elongated plate 51, the toothed plate 55 is fixedly installed at the top of the top plate 4, the plug block 53 is inserted into the bottom of the toothed plate 55, after the top plate 4 is adjusted, the hole 510 formed at the top of the elongated plate 51 is used to install and use between the sofa cushion, preventing the sofa support from not matching the sofa backrest of different sizes, because the size of the sofa backrest may be different due to factors such as style and brand, this adjusting structure can avoid the situation that the support is too small to completely support the backrest, or too large to be installed, improving the adaptability and use stability of the support, the recess 20 is formed at the outer side of the movable rod 2, the sliding shaft 68 can slide on the surface of the movable rod 2, the hole 510 is formed at the bottom of the elongated plate 51, the hole 510 formed in the elongated plate 51 can be used to install the sofa backrest.
[0030] When the sofa support is used and needs to be adjusted, the handle 67 away from the outer wall of the fixed plate 64 can be manually pulled to drive the sliding of the fixed strip 66, when the fixed strip 66 slides, the plug shaft 62 slides on the surface of the fixed rod 63, when the plug shaft 62 slides, the plug shaft 62 releases the restriction to the inner tooth ring 69, when the plug shaft 62 releases the restriction to the inner tooth ring 69, and releases the restriction to the movable shaft 61, for this, the pressure of the user can be used to drive the movable shaft 61 to adjust the top plate 4, when the top plate 4 is adjusted, the other end of the top plate 4 is driven to swing downward on the surface of the connecting rod 3 through the sliding shaft 68, thereby achieving the adjustment of the sofa backrest, preventing the user from obtaining comfortable support when using the sofa because the backrest angle of the top of the backrest is fixed, by adjusting the angle of the sofa backrest, the sofa backrest can better fit the back curve of the user, providing good support for the back and waist of the user, improving the comfort of the user and the practicality of the sofa.
[0031] When the sofa support is installed and used, the movable plate 52 can be manually pressed downward to drive the movable plate 52 to swing upward at the inner side of the lengthening plate 51, when the movable plate 52 swings upward, the plug block 53 swings upward, thereby releasing the restriction of the plug block 53 on the tooth plate 55, and enabling the lengthening plate 51 to expand outward in the interior of the top plate 4, when the lengthening plate 51 expands to the area matched with the sofa back, the movable plate 52 and the plug block 53 can be reset under the action of the volute spring 54, thereby enabling the plug block 53 to be re-inserted on the surface of the tooth plate 55 for fixation, achieving the effect of the top plate 4 adjustment and restriction, when the top plate 4 is adjusted, the lengthening plate 51 can be installed and used through the bolt between the hole 510 on the top of the lengthening plate 51 and the sofa back cushion, preventing the sofa support from being unmatched with the sofa back of different sizes, since the size of the sofa back can be different due to factors such as style and brand, the adjustment structure can avoid the situation that the support is too small to completely support the back, or too large to be installed, thereby improving the adaptability and use stability of the support.
[0032] The above has made a detailed description of the utility model in general, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.
Claims
1. An adjustable sofa support comprising a support plate (1), characterized in that: The support bottom plate top end is hinged with a movable rod (2), the support plate (1) other end is fixedly installed with a connecting rod (3), the connecting rod (3) top is provided with a top plate (4), the top plate (4) surface is provided with a moving assembly (5), the connecting rod (3) outside is provided with an adjusting assembly (6); The adjusting assembly (6) comprises: Movable shaft (61), movable shaft (61) is used for connecting top plate (4) and connecting rod (3); Insert shaft (62), insert shaft (62) is used for limiting movable shaft (61); Fixed rod (63), fixed rod (63) is used for controlling the sliding of insert shaft (62) on the surface of fixed rod (63) to move.
2. An adjustable sofa support according to claim 1, wherein: The movable shaft (61) is fixedly installed at one end of the bottom of the top plate (4), the movable shaft (61) is rotatably connected in the connecting rod (3), the movable shaft (61) is fixedly installed with an internal gear ring (69) in the inside, the fixed plate (64) is slidably connected to the inside of the top plate (4), and the fixed rod (63) is fixedly installed on the inside of the fixed plate (64).
3. An adjustable sofa support according to claim 1, wherein: The insert shaft (62) is slidably connected to the surface of the fixed rod (63), the insert shaft (62) is fixedly installed with a fixed spring (65) on the outside, the fixed spring (65) is fixedly installed on the surface of the fixed rod (63), and the insert shaft (62) penetrates the movable shaft (61).
4. An adjustable sofa support according to claim 1, wherein: The insert shaft (62) is fixedly installed with a fixed strip (66) on the outside, the fixed strip (66) surface is fixedly installed with a handle (67), the bottom of the top plate (4) is rotatably connected with a sliding shaft (68), and the sliding shaft (68) is slidably connected to the outer wall of the movable rod (2).
5. An adjustable sofa support according to claim 1, wherein: The moving assembly (5) comprises: an extension plate (51), the extension plate (51) is slidably connected in the inside of the top plate (4), the extension plate (51) top is hinged with a movable plate (52), and the movable plate (52) bottom is fixedly installed with an insert block (53).
6. An adjustable sofa support according to claim 5, wherein: The movable plate (52) surface is fixedly installed with a spiral spring (54), the spiral spring (54) is fixedly installed in the inside of the extension plate (51), the top plate (4) top is fixedly installed with a toothed plate (55), and the insert block (53) is inserted into the bottom of the toothed plate (55).
7. An adjustable sofa support according to claim 5, wherein: The movable rod (2) outside is provided with a groove (20), and the extension plate (51) bottom is provided with a hole (510).