Sliding structure and sofa iron stand rail mechanism
By combining track components and sliding components, the sliding structure is simplified, solving the problems of complex processes and ball wear in existing technologies, and achieving a low-cost, highly stable and flexible sliding effect.
Patent Information
- Application Number
- CN202520555707.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing sliding structures for furniture and car seats have complex manufacturing processes and high production costs. Wear and detachment of ball bearings affect durability and user experience.
The design combines track components and sliding components, simplifying the structure. By rationally designing the shape of the track components and the matching method of the sliding components, the translation function can be realized and the angle conversion requirements can be met, thereby enhancing the load-bearing capacity and stability.
It reduces production costs, avoids ball wear and detachment, improves the stability and flexibility of the sliding structure, extends service life, and enhances user experience.
Smart Images

Figure CN223845308U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the related technical field of iron stand accessories especially relates to a sliding structure and sofa iron stand track mechanism. BACKGROUND
[0002] In the existing furniture and automobile seat design, the sliding structure generally adopts the combination mode of slide rail, retainer and ball to realize the translation function of seat or sofa parts. This traditional sliding structure not only has complex process, but also needs high-precision processing and assembly technology in the manufacturing and assembly process, thereby significantly increasing the production cost. In addition, although the use of balls can reduce friction and improve sliding smoothness to a certain extent, the wear and loss of balls cannot be ignored after long-term use, which further affects the durability of the product and the user's experience. SUMMARY
[0003] In order to overcome at least one of the defects of the prior art described above, the utility model provides a sliding structure and sofa iron stand track mechanism. The production cost and the ball wear problem can be solved.
[0004] The utility model discloses a technical scheme adopted to solve the problem is:
[0005] A sliding structure, comprising: a track piece, the track piece is used to assemble to sofa iron stand or sofa, the track piece has sliding track;Sliding piece, the sliding piece is used to be connected with the drive structure, to make reciprocating motion in the sliding track under the control of the drive structure;Wherein, the number of track pieces and the number of sliding pieces ratio is 1: N, N >= 1.
[0006] By adopting the above scheme, the combination of track piece and sliding piece not only simplifies the structure and reduces the manufacturing cost, but also through the reasonable design of the shape of track piece and the matching mode of sliding piece, so that the sofa sliding structure can meet certain angle conversion demand while realizing the translation function, greatly improving the flexibility of the product. And a plurality of sliding pieces can be assembled on a single track piece, thereby further enhancing the carrying capacity and stability of the sofa sliding structure.
[0007] Further, the sliding track includes an inner recessed sliding groove, the sliding groove includes an opening, side walls on both sides of the opening and a bottom wall opposite the opening, and the two side walls are provided with oppositely extending abutting edges at one end close to the opening.
[0008] By adopting the above scheme, the oppositely extending abutting edges form effective limiting structures on both sides of the sliding piece, which can prevent the sliding piece from falling out of the sliding groove to a certain extent, increase the safety of the sofa sliding structure and reduce the damage risk caused by the falling of the sliding piece.
[0009] Further, the sliding piece comprises a first abutting part, the first abutting part is slidably arranged in the sliding groove and abuts with the inner side of the bottom wall, the side wall and the abutting edge respectively; a third assembly part for connecting with the driving structure; a second clamping part for connecting the first abutting part and the third assembly part, and the second clamping part is slidably abutted between the two abutting edges.
[0010] By adopting the above scheme, the stable movement of the sliding piece in the sliding groove is ensured, sufficient sliding smoothness is provided, unnecessary friction and wear are reduced. The second clamping part is slidably abutted between the two abutting edges, which not only enhances the stability of the sliding piece, but also helps to prevent it from turning over or deviating from the track during sliding.
[0011] Further, at least one first groove is arranged between the first abutting part and the bottom wall, and / or at least one second groove is arranged between the first abutting part and each side wall, and / or at least one third groove is arranged between the first abutting part and the inner side of the abutting edge.
[0012] By adopting the above scheme, not only can the lubricating oil film be formed during sliding, the direct contact between metals can be reduced, thereby reducing the friction coefficient and wear rate, but also the lubricating oil can be stored to some extent, prolonging the lubricating effect.
[0013] Further, a sliding gap is reserved between the third assembly part and the abutting edge.
[0014] By adopting the above scheme, when the sliding piece is pushed by the driving structure, it can move freely in the sliding groove without additional resistance from the abutting edge, ensuring the flexibility and freedom of the sliding piece during sliding, so that it can quickly respond to the instructions of the driving structure and realize precise reciprocating motion.
[0015] Further, the third assembly part is provided with an assembly hole on the side away from the first abutting part to assemble the driving structure.
[0016] By adopting the above scheme, it can be ensured that the sliding piece can maintain a stable movement trajectory and stress state when pushed by the driving structure.
[0017] A sofa iron frame track mechanism, comprising a sofa iron frame, a driving structure, a transmission mechanism and a sofa sliding structure, both sides of the sofa iron frame are provided with track pieces, the driving structure comprises a fixed part and a movable part, the fixed part is fixed with the sofa iron frame, the movable part is connected with the transmission mechanism, both ends of the transmission mechanism are connected with the sliding pieces in the track pieces on both sides respectively to drive the two sliding pieces to slide along the track pieces.
[0018] By adopting the above scheme, the transmission mechanism transmits the power of the driving structure to the sliding members on both sides, so that they slide along the sliding tracks in the track members simultaneously. The sofa can maintain a stable and noiseless state during sliding.
[0019] Further, the track member is provided on each side, and two sliding members are arranged in each track member.
[0020] By adopting the above scheme, stable and smooth sliding can be achieved in the sliding track.
[0021] Further, the track member is provided on each side, and two sliding members are arranged in each track member.
[0022] By adopting the above scheme, the transmission mechanism is connected with the sliding members in multiple track members, and the stress during sliding is more uniform, which greatly improves the load-bearing capacity and running stability.
[0023] Further, the track member is provided on each side, and two sliding members are arranged in each track member.
[0024] By adopting the above scheme, the transmission mechanism can realize certain angle conversion, such as lifting and tilting, by sliding in the two track members with an included angle, which further improves the user experience and meets the needs of different space layouts.
[0025] In summary, the sliding structure and sofa iron frame track mechanism provided by the present application have the following technical effects:
[0026] 1. By adopting the combination design of track members and sliding members, the combination mode of complex sliding rails, retainers and balls in the traditional sliding structure is simplified, thereby reducing the complexity in the manufacturing and assembly processes, not only reducing the number of required parts, but also reducing the dependence on high-precision machining and assembly technology, significantly reducing production costs;
[0027] 2. The wear and loss problems of the balls in long-term use are avoided, thereby prolonging the service life of the sofa sliding structure, ensuring the stability and reliability during sliding, and improving the overall durability of the product;
[0028] 3. Multiple sliding members can be assembled on a single track member, which not only enhances the load-bearing capacity of the sofa sliding structure, but also enables it to adapt to more complex load conditions. At the same time, by adjusting the matching mode of the track member and the sliding member, the sofa sliding structure can be angle-converted within a certain range, thereby enhancing the flexibility and adaptability of the product. BRIEF DESCRIPTION OF DRAWINGS
[0029] Figure 1 It is a three-dimensional structure schematic diagram of the embodiment of the utility model;
[0030] Figure 2 It is a cross-sectional structure schematic diagram of the embodiment of the utility model;
[0031] Figure 3 It is a sofa iron frame track mechanism structure schematic diagram of the embodiment of the utility model;
[0032] Figure 4 It is a sliding structure schematic diagram of the embodiment of the utility model;
[0033] Figure 5 It is a sliding structure schematic diagram of the embodiment of the utility model.
[0034] Among them, the meaning of the reference sign is as follows: 1, track member; 11, sliding track; 12, sliding groove; 121, opening; 122, side wall; 123, bottom wall; 13, abutting edge; 2, sliding member; 21, first abutting part; 211, first recess; 212, second recess; 213, third recess; 22, second clamping part; 23, third assembly part; 231, assembly hole; 3, sliding gap; 4, sofa iron frame; 5, driving structure; 51, fixed part; 52, movable part; 6, transmission mechanism. DETAILED DESCRIPTION
[0035] In order to better understand and implement, the technical solutions in the embodiments of the utility model will be described and discussed clearly and completely in combination with the drawings of the utility model. Obviously, only some examples of the utility model are described here, not all examples. Based on the embodiments in the utility model, all other examples obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0036] In order to facilitate the understanding of the embodiments of the utility model, the following will be further explained and described with specific examples as an example in combination with the drawings, and each embodiment does not constitute a limitation on the embodiments of the utility model.
[0037] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model.
[0039] Embodiment 1 of the utility model refers to Figures 1-5 The utility model discloses a sliding structure, including track piece 1 and sliding piece 2, track piece 1 is used to assemble to sofa iron frame 4 or sofa, and the assembly mode includes but is not limited to welding, clamping, screwing or integral connection, track piece 1 has sliding track 11, sliding piece 2 is used to be connected with drive structure 5, to make reciprocating motion in sliding track 11 under the control of drive structure 5, including but not limited to linear reciprocating motion or curved reciprocating motion, drive structure 5 includes but is not limited to push rod motor or slider motor, the number ratio of track piece 1 and sliding piece 2 is 1: N, N is equal to or greater than 1. Preferably, N is equal to 2, when there are two sliding pieces 2 in each track piece 1, good sliding stability can be provided. The combination of track piece 1 and sliding piece 2 not only simplifies the structure and reduces the manufacturing cost, but also meets certain angle conversion demand while realizing translation function by reasonably designing the shape of track piece 1 and the matching mode of sliding piece 2, greatly improves the flexibility of product. And a plurality of sliding pieces 2 can be assembled on a single track piece 1, thereby further enhancing the carrying capacity and stability of the sofa sliding structure.
[0040] Preferably, track piece 1 adopts aluminum alloy material, and sliding piece 2 adopts plastic material.
[0041] In a specific embodiment, the sliding track 11 comprises a concave sliding groove 12, which comprises an opening 121, side walls 122 on both sides of the opening 121, and a bottom wall 123 opposite the opening 121. The two side walls 122 are provided with abutting edges 13 extending towards each other at one end close to the opening 121, forming an effective limiting structure on both sides of the sliding member 2, which can prevent the sliding member 2 from falling out of the sliding groove 12 to a certain extent, increasing the safety of the sofa sliding structure and reducing the risk of damage caused by the falling of the sliding member 2. Preferably, the abutting edges 13 are parallel to the bottom wall 123, so that the sliding groove 12 can wrap the sliding member 2 as a whole, while the overall space occupation is optimal. The sliding member 2 comprises a first abutting part 21, a second clamping part 22, and a third assembly part 23. The first abutting part 21 is slidably arranged in the sliding groove 12 and slidably abuts the inner side of the bottom wall 123, the side wall 122, and the abutting edge 13, respectively, ensuring the stable movement of the sliding member 2 in the sliding groove 12, providing sufficient sliding smoothness while reducing unnecessary friction and wear. The third assembly part 23 is used to connect with the driving structure 5, and the second clamping part 22 is used to connect the first abutting part 21 and the third assembly part 23, and the second clamping part 22 is slidably abutted between the two abutting edges 13. The second clamping part 22 is slidably abutted between the two abutting edges 13, which not only enhances the stability of the sliding member 2, but also helps to prevent it from tilting or deviating from the track during sliding.
[0042] It should be noted that the sliding track 11 can also be an outwardly protruding extension arm, which forms the sliding groove 12 with the above structure.
[0043] In some embodiments, in order to improve the sliding smoothness and reduce the friction, at least one first groove 211 is provided between the first abutting part 21 and the bottom wall 123, and / or at least one second groove 212 is provided between the first abutting part 21 and each of the side walls 122, and / or at least one third groove 213 is provided between the first abutting part 21 and the inner side of the abutting edge 13. The provision of the grooves not only helps to form a lubricating oil film during sliding, reduces direct contact between metals, thereby reducing the friction coefficient and wear rate, but also can store lubricating oil to a certain extent, prolonging the lubricating effect. In this embodiment 1, one first groove 211, one second groove 212, and one third groove 213 are provided. In other embodiments, the number and shape of the first groove 211, the second groove 212, and the third groove 213 are not limited, as long as they can reduce the friction.
[0044] In some embodiments, a sliding gap 3 can also be reserved between the third assembly part 23 and the abutting edge 13, allowing the slider 2 to move freely in the sliding groove 12 when pushed by the driving structure 5 without additional resistance from the abutting edge 13, ensuring the flexibility and freedom of the slider 2 during sliding, so that it can quickly respond to the instructions of the driving structure 5 and achieve precise linear reciprocating motion.
[0045] Referring to Figure 3 The utility model also relates to a sofa iron frame track mechanism, including sofa iron frame 4, driving structure 5, transmission mechanism 6 and sofa sliding structure, specifically, sofa iron frame 4 is rectangular frame structure, the both sides of sofa iron frame 4 are provided with track piece 1, namely the left and right sides when user sits on the seat, driving structure 5 includes fixed part 51 and movable part 52, fixed part 51 with sofa iron frame 4 is fixed, movable part 52 with transmission mechanism 6 is connected, the both ends of transmission mechanism 6 are connected with the slider 2 in the track piece 1 of both sides respectively to drive two sliders 2 along track piece 1 sliding. Preferably, the driving piece adopts the slider motor, and the fixed part 51 is the motor itself, which is hinged to the rear side frame of the sofa iron frame 4, and the movable part 52 is the slider of the slider motor, which moves synchronously with the transmission mechanism 6 to drive the transmission mechanism 6 to slide. The transmission mechanism 6 transmits the power of the driving structure 5 to the sliders 2 on both sides, so that they slide along the sliding rails 11 in the track pieces 1 simultaneously. The sofa can maintain a stable and noiseless state during sliding. It should be noted that the sofa iron frame 4 described above can also be replaced by a sofa structure, including but not limited to plastic or wooden materials.
[0046] Specifically, the transmission mechanism 6 is used to assemble with the seat cushion part, so that the operation of the driving structure 5 can control the forward and backward movement of the cushion.
[0047] The connection between the transmission mechanism 6 and the slider is preferably a rotary connection. Specifically, the third assembly part 23 is provided with an assembly hole 231 on the side away from the first abutting part 21, and the both ends of the transmission mechanism 6 are rotatably connected with at least one assembly hole 231. In other embodiments, they can be directly screwed to ensure that the slider 2 can maintain a stable motion trajectory and stress state when pushed by the driving structure 5.
[0048] In a specific implementation scenario, only the linear displacement of the sofa cushion is used, and the simplest structure is that one track piece 1 is provided on each side of the sofa iron frame 4, and one slider 2 is provided in each track piece 1 to achieve sliding effect in the sliding rail 11. Preferably, in this embodiment 1, as shown in Figures 3-4As shown, two sliding members 2 are arranged in each rail member 1, which can realize stable and smooth sliding in the sliding rail 11.
[0049] In a specific implementation scenario, the linear displacement suitable for the sofa cushion is also applicable to the lengthened sofa, the anti-tilting ability is improved by 50%, two rail members 1 are arranged on each side of the sofa iron frame 4, one sliding member 2 is arranged in each rail member 1, and the ends of the transmission mechanism 6 are connected with the sliding members 2 in the two rail members 1 on the same side, and the two rail members 1 on the same side are parallel or collinear. The transmission mechanism 6 can be supported by the two rail members 1, the stress during sliding is more uniform, the bearing capacity is greatly improved, and the operation stability is improved. Of course, two sliding members 2 can also be connected in each rail member 1, and the embodiment is not limited in particular.
[0050] In a specific implementation scenario, referring to Figure 5 As shown, the slight lifting or lowering suitable for the sofa cushion, two rail members 1 are arranged on each side of the sofa iron frame 4, the ends of the transmission mechanism 6 are connected with the sliding members 2 in the two rail members 1 on the same side, and the two rail members 1 on the same side are arranged at intervals and have an included angle between the connecting lines. Preferably, the two rail members 1 are installed at an included angle of 15°, when the driving structure 5 is pushed, the sliding member 2 slides along the inclined rail, drives the front end of the sofa seat surface to lift by 25 mm, realizes the elevation angle adjustment function, and meets the ergonomic requirements. In other embodiments, the included angle of the rail member 1 and the number of sliding members 2 in the rail member 1 are not limited in particular, and the lifting effect or the downward turning effect can be realized. Through the above arrangement, the transmission mechanism 6 can realize the conversion of a certain angle by sliding in the two rail members 1 with an included angle, realize the turning operation of lifting and tilting, further improve the user experience, and meet the needs of different space layouts.
[0051] In summary, the sliding structure and the sofa iron frame rail mechanism provided by the utility model have the following technical effects:
[0052] 1. By adopting the combined design of the rail member 1 and the sliding member 2, the combination mode of the complex sliding rail, the retainer and the ball in the traditional sliding structure is simplified, thereby reducing the complexity in the manufacturing and assembly processes, not only reducing the number of required parts, but also reducing the dependence on high-precision machining and assembly technology, and significantly reducing the production cost;
[0053] 2. The wear and loss problems of the ball in long-term use are avoided, thereby prolonging the service life of the sofa sliding structure, ensuring the stability and reliability during sliding, and improving the overall durability of the product;
[0054] 3. Multiple sliding members 2 can be assembled on a single track member 1, which not only enhances the load bearing capacity of the sofa sliding structure, but also enables it to adapt to more complex load conditions, and by adjusting the matching mode of the track member 1 and the sliding member 2, the angle conversion of the sofa sliding structure within a certain range can be realized, thereby enhancing the flexibility and adaptability of the product.
[0055] The technical means disclosed in the utility model scheme is not only limited to the technical means disclosed in the above-mentioned embodiments, but also includes the technical scheme composed of any combination of the above technical features. It should be pointed out that for ordinary skilled persons in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, which are also considered as the protection scope of the utility model.
Claims
1. A sliding structure, characterized in that, The application relates to a sliding structure for a sofa, which comprises the following parts: a track piece (1) for being assembled to a sofa iron frame (4) or a sofa, the track piece (1) having a sliding track (11); a sliding piece (2) for being connected to a driving structure (5) to be controlled by the driving structure (5) to make reciprocating motion in the sliding track (11); wherein the number of the track pieces (1) is in a ratio of 1:N to the number of the sliding pieces (2), and N>=1.
2. A sliding structure according to claim 1, wherein The sliding track (11) comprises a concave sliding groove (12), the sliding groove (12) comprising an opening (121), side walls (122) on both sides of the opening (121) and a bottom wall (123) opposite to the opening (121), and the two side walls (122) being provided with abutting edges (13) extending towards each other at one end close to the opening (121).
3. A sliding structure according to claim 2, wherein The sliding piece (2) comprises: a first abutting part (21) sliding in the sliding groove (12) and slidingly abutting the inner side of the bottom wall (123), the side wall (122) and the abutting edge (13) respectively; a third assembling part (23) for being connected to the driving structure (5); a second clamping part (22) for connecting the first abutting part (21) and the third assembling part (23), and the second clamping part (22) slidingly abutting between the two abutting edges (13).
4. A sliding structure according to claim 3, wherein At least one first groove (211) is arranged between the first abutting part (21) and the bottom wall (123), and / or at least one second groove (212) is arranged between the first abutting part (21) and each side wall (122), and / or at least one third groove (213) is arranged between the first abutting part (21) and the inner side of the abutting edge (13).
5. A sliding structure according to claim 3, wherein A sliding gap (3) is reserved between the third assembling part (23) and the abutting edge (13).
6. A sliding structure according to claim 3, wherein The third assembling part (23) is provided with an assembling hole (231) on the side away from the first abutting part (21) to assemble the driving structure (5).
7. A sofa frame rail mechanism, characterized by, The application further relates to a sofa, which comprises a sofa iron frame (4), a driving structure (5), a transmission mechanism (6) and the sliding structure of any one of claims 1-6, the sofa iron frame (4) being provided with track pieces (1) on both sides, the driving structure (5) comprising a fixed part (51) and a movable part (52), the fixed part (51) being fixed to the sofa iron frame (4), the movable part (52) being connected to the transmission mechanism (6), and the transmission mechanism (6) being connected to the sliding pieces (2) in the track pieces (1) on both sides to drive the two sliding pieces (2) to slide along the track pieces (1).
8. A sofa frame track mechanism according to claim 7, wherein Each side is provided with one track piece (1), and each track piece (1) is provided with two sliding pieces (2).
9. The sofa frame track mechanism of claim 7, wherein, Each side is provided with two track pieces (1), and the ends of the transmission mechanism (6) are connected to the sliding pieces (2) in the two track pieces (1) on the same side, and the two track pieces (1) on the same side are parallel or collinear.
10. The sofa frame track mechanism of claim 7, wherein, Two track pieces (1) are arranged on each side, and the end portions of the transmission mechanism (6) are connected with the sliders (2) in the two track pieces (1) on the same side, the two track pieces (1) on the same side are arranged at intervals, and the connecting lines between the two track pieces (1) on the same side have an included angle.