Sliding anti-falling guide structure and sofa thereof
By adopting a sliding anti-slip guide structure on the sofa, and utilizing the sliding design of the slider and fixing components, the problem of unstable transmission structure is solved, enabling stable movement and flipping of the seat frame and extending its service life.
Patent Information
- Application Number
- CN202520796504.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-24
AI Technical Summary
The transmission structure of existing sofas is complex and unstable, and the connecting pipes are prone to detachment, affecting their service life.
The sliding anti-detachment guide structure is adopted. The sliding of the slider on the fixed component drives the movement and rotation of the connecting tube and the seat frame. Combined with the oblique design of the fixed seat and the side plate, it ensures the stable connection at both ends of the connecting tube.
It achieves stable movement and rotation of the seat frame, improves service life and prevents structural detachment, and has a simple structure and good stability.
Smart Images

Figure CN223913784U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a sitting device technical field especially relates to a sliding anti -drop guiding structure and sofa thereof. BACKGROUND
[0002] With the rapid development of the times, the level and quality of life are also rapidly improving, and many different types of furniture appear on the market. Furniture can include comfortable and flexible functional home goods such as functional sofa beds, functional sofas, or functional chairs. The existing sofa cushion and backrest can generally be adjusted in linkage angle, so that the sofa can adapt to different sitting and lying positions, making the user more comfortable, and the transmission structure for realizing these angle adjustments is generally arranged in the sofa.
[0003] A Chinese invention patent with publication number CN119214427A discloses a telescopic transmission device, an iron frame structure, and a sitting device. The main drive member includes a leg support connecting part, a limiting connecting part, a seat frame connecting part, and a drive connecting part. The drive connecting part, the leg support connecting part, and the limiting connecting part rotate around the seat frame connecting part. The main transmission member includes a seat frame hinge part, a connecting rod hinge part, and a limiting groove. The connecting rod hinge part and the limiting groove rotate around the seat frame hinge part, and the seat frame connecting part moves synchronously with the seat frame hinge part. The limiting connecting part cooperates with the limiting groove to make one of the main drive member and the main transmission member rotate alone. The main drive member and the main transmission member are separately rotated by the cooperation of the limiting connecting part and the limiting groove. After the telescopic transmission device is assembled with the driving motor, the leg stretching device, and the seat frame, the main drive member only drives the leg stretching device to move when it rotates alone to realize the switching between the sitting position and the TV position. When the main transmission member rotates alone, it drives the seat frame to realize the switching between the lying position and the TV position. The switching between the three positions is realized by a single motor drive.
[0004] In the above technical solution, the two ends of the drive connecting pipe are respectively threaded through the drive plate and hinged on the seat frame connecting plate. The hinge transmission structure is complex, and may be broken or detached due to long-term load or impact, causing structural separation and relative instability. SUMMARY
[0005] To solve the above problems, the first purpose of the utility model is to provide a sliding anti-drop guiding structure. When the backrest of the sofa is adjusted to realize the adjustment of the sitting position, the seat frame needs to be adjusted to a certain position. The connecting pipe in the sliding structure moves and rotates the seat frame connected with the connecting pipe to realize the position change through the sliding of the sliding block on the fixing seat of the side plate. The structure is simple, the connecting pipe end connection structure is stable, and it is not easy to detach, with long service life. The second purpose of the utility model is to provide a sofa with the above-mentioned sliding anti-drop guiding structure.
[0006] To achieve the above purposes, the utility model adopts the following technical solutions:
[0007] A sliding anti-detachment guide structure, characterized in that: it includes a fixing component, a slider, a connecting component, and a seat frame; the fixing component is fixed on the inner wall of the two side plates; the slider is slidably disposed on the fixing component; the connecting component is fixedly connected between the two sliders; and the seat frame is rotatably disposed on the upper part of the connecting component; a sliding cavity is formed on the fixing component; the slider includes an installation block adapted to slide and locked in the sliding cavity, and a connecting block extending out of the sliding cavity and fixed to the connecting component; the connecting component includes a connecting tube fixedly connected to the two sliders, and a connecting plate disposed at both ends of the connecting tube and extending upward; the two sides of the seat frame are hinged to the upper part of the connecting plate.
[0008] Preferably, the fixing assembly is inclined downward from the outside to the inside, and includes a fixing seat and a pad installed between the fixing seat and the side plate. The fixing seat is provided with a sliding hole, and the pad fits against the inner wall of the fixing seat so that the sliding cavity is formed in the sliding hole. The fixing seat and the side plate are provided with a plurality of first fixing holes, and the pad is provided with a second fixing hole corresponding to the first fixing hole.
[0009] Preferably, the outer edge of the sliding hole is provided with a flange to make the sliding cavity stepped.
[0010] Preferably, grooves are formed on the upper and lower end faces of the mounting block.
[0011] Preferably, a protruding ring is formed on the inner wall of the fixing base on the inner side of the first fixing hole, and the protruding ring is fitted into the second fixing hole.
[0012] Preferably, the pad is also provided with a plurality of third fixing holes, and the fixing seat is provided with a fourth fixing hole corresponding to the third fixing holes, and a stop post is provided on the outer side of the fourth fixing hole on the outer wall of the fixing seat.
[0013] Preferably, the outer wall of the fixing seat is provided with multiple reinforcing ribs.
[0014] Preferably, the connecting block and the connecting pipe are provided with a plurality of fifth fixing holes, the lower two sides of the connecting plate are provided with flaps, the connecting plate is mounted on the connecting block, and the end of the connecting pipe is clamped between the two flaps and welded to the connecting plate.
[0015] Preferably, the upper part of the connecting plate is provided with a first connecting hole, the seat frame is provided with a second connecting hole corresponding to the first connecting hole, the second connecting hole is provided with a connecting post, and a pin is inserted into the first connecting hole and the connecting post so that the seat frame can rotate relative to the connecting plate.
[0016] A sofa, characterized in that it includes a sliding anti-slip guide structure as described in any one of the above-mentioned methods.
[0017] The utility model discloses the above-mentioned technical scheme has the following beneficial effects:
[0018] The connecting pipe and the sliding block are fixedly connected, the sliding cavity is in a ladder shape, the mounting block on the sliding block is adapted to be clamped into the sliding cavity of the fixed seat and slides, the structure is simple, the connecting pipe two end connecting structure is stable, is not easy to separate, and the service life is long, thereby making the movement and overturning of the seat frame more stable.
[0019] The fixed seat and the side plate assembly structure are stable, and the gasket is arranged between the fixed seat and the side plate, the sliding block slides, and the close-fitting effect with the fixed seat is further improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the three-dimensional structure schematic view of sofa middle sliding anti -drop guide structure.
[0021] Figure 2 It is the three-dimensional structure schematic view of sofa middle sliding anti -drop guide structure.
[0022] Figure 3 It is the three-dimensional structure schematic view of sofa middle sliding anti -drop guide structure.
[0023] Figure 4 It is the three-dimensional structure schematic view of sofa middle sliding anti -drop guide structure.
[0024] Figure 5 It is the three-dimensional structure schematic view of sofa middle sliding anti -drop guide structure.
[0025] Figure 6 It is the three-dimensional structure schematic view of sofa middle sliding anti -drop guide structure.
[0026] Figure 7 It is the three-dimensional structure schematic view of sofa middle sliding anti -drop guide structure. DETAILED DESCRIPTION
[0027] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as limiting the utility model.
[0028] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0029] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise stated, the meaning of "a plurality of" is two or more, unless otherwise explicitly limited.
[0030] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0031] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or the indirect contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical and inclined upward of the first feature above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include the vertical and inclined downward of the first feature below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature. Embodiment one:
[0032] As Figures 1-7The sliding anti-disengagement guide structure shown comprises a fixed assembly, a sliding block 1, a connecting assembly and a seat frame 2, the fixed assembly is fixed on the inner wall of the two side plates 3, the sliding block 1 is slidingly arranged on the fixed assembly, the connecting assembly is fixedly connected between the two sliding blocks 1, and the seat frame 2 is rotationally arranged on the upper part of the connecting assembly; a sliding cavity 4 is formed on the fixed assembly, the sliding block 1 comprises a mounting block 5 which is adapted to slide and clamped in the sliding cavity 4, and a connecting block 6 which extends out of the sliding cavity 4 and is fixed with the connecting assembly; the connecting assembly comprises a connecting pipe 7 which is fixedly connected with the two sliding blocks 1, and connecting plates 8 which are arranged on both ends of the connecting pipe 7 and extend upward, and the two sides of the seat frame 2 are hingedly connected with the upper parts of the connecting plates 8.
[0033] In the above technical solution, the connecting pipe is fixedly connected with the sliding block, the mounting block on the sliding block is adapted to be clamped into the sliding cavity of the fixed assembly and slide, the structure is stable, the connecting pipe is not easy to disengage, and the movement and overturning of the seat frame are more stable. Specifically, when adjusting the position of the seat frame, the human body applies a force to the seat frame, the seat frame slides inwardly through the cooperation of the connecting pipe and the fixed assembly, and the seat frame rotates around the upper part of the connecting plate, and then the angle of the seat frame is adjusted.
[0034] Further, the fixed assembly is inclined downward from outside to inside, and comprises a fixed seat 9 and a pad plate 10 which is padded between the fixed seat 9 and the side plate 3, a sliding hole is formed through the fixed seat 9, the pad plate 10 is attached to the inner wall of the fixed seat 9 to form the sliding cavity 4 in the sliding hole, a plurality of first fixing holes 11 are arranged on the fixed seat 9 and the side plate 3 correspondingly, and a plurality of second fixing holes 12 are arranged on the pad plate 10 correspondingly. In the technical solution, when the seat frame slides downwardly and inwardly and rotates by a certain angle, the pad plate is fixed on the inner wall of the fixed seat to close one side of the sliding hole, which is beneficial to the movement of the mounting block in the sliding cavity and avoids the contact and abrasion with the side plate, and the pad plate can realize the close fit between the fixed seat and the side plate, and the overall structure is more stable.
[0035] Further, the outer side edge of the sliding hole is constructed with a flange 13 to make the sliding cavity 4 in a stepped shape. In the technical solution, the outer side edge of the sliding hole is constructed with a flange, which can effectively prevent the mounting block from disengaging and has good anti-disengagement effect.
[0036] Further, recesses 14 are formed on the upper and lower end faces of the mounting block 5. In the technical solution, the recesses are formed on the upper and lower end faces of the mounting block, which can reduce the friction between the upper and lower end faces of the mounting block and the inner walls of the sliding cavity, and make the sliding more smooth and stable.
[0037] Furthermore, a protruding ring 15 is formed on the inner wall of the fixing base 9 on the inner side of the first fixing hole 11, and the protruding ring 15 is adapted to be fitted into the second fixing hole 12. In this technical solution, the protruding ring of the fixing base is fitted into the second fixing hole of the pad, which can effectively prevent radial movement between the two and further improve the structural stability between them.
[0038] Furthermore, the pad 10 is provided with a plurality of third fixing holes 16, and the fixing seat 9 is provided with a fourth fixing hole 17 corresponding to the third fixing holes 16. A stop post 18 is provided on the outer side of the fourth fixing hole 17 on the outer wall of the fixing seat 9. In this technical solution, the third fixing hole and the fourth fixing hole are respectively inserted into the connecting piece for fixed connection, which further improves the stability of both and makes the fixing seat less likely to detach; the stop post facilitates the insertion and connection of the connecting piece.
[0039] Furthermore, the outer wall of the fixing base 9 is provided with multiple reinforcing ribs 19. In this technical solution, the reinforcing ribs improve the connection strength between the outer two ends of the sliding hole and the surface of the fixing base, preventing the outer wall of the sliding hole from deforming under long-term stress.
[0040] Furthermore, the connecting block 6 and the connecting pipe 7 are respectively provided with a plurality of fifth fixing holes 20, and the lower two sides of the connecting plate 8 are provided with flaps 21. The connecting plate 8 is mounted on the connecting block 6, and the end of the connecting pipe 7 is clamped between the two flaps 21 and welded and fixed to the connecting plate 8. In this technical solution, the connecting pipe is fixedly connected to the connecting block on the slider, the connecting pipe and the slider are linked, and the end of the connecting pipe is fixedly connected to the connecting plate. The flaps formed at the lower part of the connecting plate fit against the end of the connecting pipe and are welded and fixed to it, which increases the welding area between the connecting pipe and the connecting plate and improves the structural stability.
[0041] Furthermore, the upper part of the connecting plate 8 is provided with a first connecting hole 22, and the seat frame 2 is provided with a second connecting hole corresponding to the first connecting hole 22. A connecting post 23 is provided on the second connecting hole, and a pin is inserted into the first connecting hole 22 and the connecting post 23 to allow the seat frame 2 to rotate relative to the connecting plate 8. In this technical solution, the upper part of the connecting plate is hinged to the seat frame, so that the seat frame can move inward while rotating at a small angle, which is beneficial for the sofa to achieve a reclining posture. Example 2:
[0042] A sofa, including a sliding anti-slip guide structure as described in Embodiment 1.
[0043] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0044] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention without departing from the principles and spirit of the present invention.
Claims
1. A slip-preventing guiding structure, characterized by: The utility model provides a sliding anti -drop guide structure, including fixed component, slider (1), connecting component and seat frame (2), the inner wall of both sides side plate (3) is fixed with fixed component, slider (1) is arranged on fixed component slidingly, connecting component is fixedly connected between both sides slider (1), seat frame (2) is rotationally arranged on the upper portion of connecting component, the sliding cavity (4) is formed on fixed component, slider (1) includes the mounting block (5) of adaptation sliding and clamping in sliding cavity (4) and the connecting block (6) of fixedly connected with connecting component and stretching out sliding cavity (4), connecting component includes the connecting pipe (7) of being fixedly connected with both sides slider (1) and the connecting plate (8) of being arranged and extending upwards to both ends of connecting pipe (7), and the both sides of seat frame (2) are hinged with the upper portion of connecting plate (8).
2. A slip-prevention guide structure according to claim 1, characterized in that: The fixed component is inclined from outside to inside, and it comprises a fixed seat (9) and a pad plate (10) arranged between the fixed seat (9) and the side plate (3), a sliding hole is formed in the fixed seat (9), the pad plate (10) is attached to the inner wall of the fixed seat (9) to form the sliding cavity (4) in the sliding hole, a plurality of first fixing holes (11) are formed in the fixed seat (9) and the side plate (3) correspondingly, and a plurality of second fixing holes (12) are formed in the pad plate (10) correspondingly to the first fixing holes (11).
3. A slip-prevention guide structure according to claim 2, wherein: The outer edge of the sliding hole is provided with a turn-up (13) to form a stepped structure in the sliding cavity (4).
4. A slip-prevention guide structure according to claim 3, wherein: A groove (14) is formed in the upper and lower end faces of the mounting block (5).
5. A slip-prevention guide structure according to claim 2, wherein: A convex ring (15) is formed in the inner side of the first fixing hole (11) of the inner wall of the fixed seat (9), and the convex ring (15) is adapted to be clamped in the second fixing hole (12).
6. A slip-prevention guide structure according to claim 5, wherein: A plurality of third fixing holes (16) are further formed in the pad plate (10), a plurality of fourth fixing holes (17) are formed in the fixed seat (9) correspondingly to the third fixing holes (16), and a blocking column (18) is arranged on the outer wall of the fixed seat (9) on the outer side of the fourth fixing hole (17).
7. A slip-prevention guide structure according to claim 6, wherein: A plurality of reinforcing ribs (19) are arranged on the outer wall of the fixed seat (9).
8. A slip-prevention guide structure according to claim 1, wherein: A plurality of fifth fixing holes (20) are formed in the connecting block (6) and the connecting pipe (7) correspondingly, a turn plate (21) is arranged on the lower part of the connecting plate (8) on both sides, the connecting plate (8) is arranged on the connecting block (6), the end of the connecting pipe (7) is clamped between the two turn plates (21) and is welded and fixed with the connecting plate (8).
9. A slip-prevention guide structure according to claim 8, wherein: A first connecting hole (22) is formed in the upper part of the connecting plate (8), a second connecting hole is formed in the seat frame (2) correspondingly to the first connecting hole (22), a connecting column (23) is arranged in the second connecting hole, and a bolt is inserted through the first connecting hole (22) and the connecting column (23) to enable the seat frame (2) to rotate relative to the connecting plate (8).
10. A sofa characterized in that: The utility model provides a sliding anti -drop guide structure, including fixed component, slider (1), connecting component and seat frame (2), the inner wall of both sides side plate (3) is fixed with fixed component, slider (1) is arranged on fixed component slidingly, connecting component is fixedly connected between both sides slider (1), seat frame (2) is rotationally arranged on the upper portion of connecting component, the sliding cavity (4) is formed on fixed component, slider (1) includes the mounting block (5) of adaptation sliding and clamping in sliding cavity (4) and the connecting block (6) of fixedly connected with connecting component and stretching out sliding cavity (4), connecting component includes the connecting pipe (7) of being fixedly connected with both sides slider (1) and the connecting plate (8) of being arranged and extending upwards to both ends of connecting pipe (7), and the both sides of seat frame (2) are hinged with the upper portion of connecting plate (8).
Citation Information
Patent Citations
Telescopic transmission device, iron stand structure and seat
CN119214427A