Rotary structure and sofa

Abstract

The invention discloses a rotating structure and a sofa. The rotating structure comprises a fixed part and a sliding part, the first end of the sliding part can move along the moving track on the fixed part; the second end of the sliding part synchronously moves along the inner wall of the fixed part when the first end of the sliding part moves along the moving track, and can stop at a plurality of rotating gears on the fixed part through a limiting structure on the sliding part, and the sofa comprises the rotating structure. Parts included in the rotating structure are installed in a concentrated mode, accumulative errors caused by rotating operation are small, the rotating operation is more continuous and smoother, and the experience feeling of user operation is improved.

Description

Technical Field

[0001] The invention relates to the technical field of furniture, in particular to a rotating structure and a sofa. Background Art

[0002] Rotating functional parts are important parts in the furniture industry, especially in the sofa category. They are mainly used to adjust the seat direction and realize the functions of sitting upright and lying down on the sofa. In the patent with application number CN202020897150.8, the rotating functional part consists of 2 guide grooves, auxiliary grooves and rollers at corresponding positions. However, the above solution has the following defects:

[0003] 1) The components are installed in a scattered manner, resulting in large cumulative errors, which can easily cause poor operation;

[0004] 2) Insufficient strength, direct grooving of the plate is prone to stress-bearing notches, damage, shaking and deformation;

[0005] 3) There are two rotation centers and auxiliary grooves, the movement process is complicated, the operation is discontinuous, and the experience is poor. The specific operation process of the rotation is that when the seat frame rotates clockwise from 0° around the center point to 45°, the tip of the lower left corner touches (interferes) with the sofa seat on the left. At this time, the seat frame is pulled up with force, and the bottom roller is lifted and moves along the auxiliary groove to the end of the auxiliary groove. Then, the seat frame is forced to continue rotating around the end of the auxiliary groove to 90°. At this time, there will be a wide gap between the left side of the seat frame and the adjacent sofa seat. The seat frame needs to be pushed hard, and the bottom roller returns from the end of the auxiliary groove to the starting point of the auxiliary groove, that is, the center point, to solve the gap problem. Summary of the invention

[0006] The present invention provides a rotating structure and a sofa, aiming to solve the problems in the prior art that the functional parts and components used for rotating the sofa are installed in a dispersed manner, the cumulative error is large, and it is easy to cause poor operation, discontinuous operation, and poor user experience.

[0007] In the first aspect, the present invention provides a rotating structure, which includes a fixed part and a sliding part; the first end of the sliding part can move along a moving track on the fixed part; the second end of the sliding part moves synchronously along the inner wall of the fixed part when the first end of the sliding part moves along the moving track, and can be stopped at multiple rotation positions on the fixed part by a limiting structure on the sliding part.

[0008] In some embodiments, the fixing member includes a first fixing plate, a track structure and a second fixing plate arranged in sequence from bottom to top; the first fixing plate, the track structure and the second fixing plate are fixedly connected by a first connecting member; the first fixing plate is provided with the movable track, or the interlayer space between the first fixing plate and the second fixing plate forms the movable track.

[0009] In some embodiments, the fixing member includes a first fixing plate, a track structure and a second fixing plate arranged in sequence from bottom to top; the first fixing plate and the track structure are integrally formed; the integrally formed first fixing plate and the track structure are fixedly connected to the second fixing plate via a second connecting member; the first fixing plate is provided with the movable track, or the interlayer space between the first fixing plate and the second fixing plate forms the movable track.

[0010] In some embodiments, the fixing member includes a first fixing plate, a track structure and a second fixing plate arranged in sequence from bottom to top; the second fixing plate and the track structure are integrally formed; the integrally formed second fixing plate and the track structure are fixedly connected to the first fixing plate via a third connecting member; the first fixing plate is provided with the movable track, or the interlayer space between the first fixing plate and the second fixing plate forms the movable track.

[0011] In some embodiments, an inner wall of the track structure between each two adjacent rotational gears among the plurality of rotational gears on the track structure is in an arc-shaped structure or a right-angled corner structure.

[0012] In some embodiments, if the movable track is provided on the first fixing plate, the movable track is a full-through groove, a non-through groove or a movable guide rail.

[0013] In some embodiments, the sliding member includes a sliding member body and the limiting structure; the limiting structure is arranged at the top of the first end of the sliding member body.

[0014] In some embodiments, if the movable track is provided at the bottom of the fixed member, the sliding member further includes a position limiting movable structure; the position limiting movable structure is fixedly connected to the bottom of the first end of the sliding member body, and the position limiting movable structure is adapted to the movable track and can be movably connected to the movable track.

[0015] In some embodiments, the sliding member further includes a roller structure; the roller structure is disposed at the outer edge of the second end of the sliding member body and can roll along the inner wall of the fixing member.

[0016] In some embodiments, the sliding member further includes a wear-resistant structure or a bottom rolling structure; the wear-resistant structure or the bottom rolling structure is arranged at the bottom of the sliding member body.

[0017] In some embodiments, the limiting structure includes multiple limiting sub-structures, and are respectively arranged in the limiting structure fixing groove corresponding to the first end of the sliding member; each of the multiple limiting sub-structures includes at least an elastic member and a limiting bead, the first end of the elastic member is fixedly connected to the bottom end of the limiting structure fixing groove, and the first end of the elastic member is connected to the limiting bead.

[0018] In some embodiments, the fixing member is provided with a limiting bead slot adapted to the limiting bead of each of the plurality of limiting substructures.

[0019] In some embodiments, the first fixed plate includes a first sub-fixed plate, a second sub-fixed plate and a third sub-fixed plate which are arranged in a ring in sequence and formed as one piece; the third sub-fixed plate is provided with the movable track in a straight line shape; wherein the first end of the movable track is located at the center portion of the fixed plate of the first fixed plate, and the second end of the movable track is located at the end portion of the third sub-fixed plate away from the center portion of the fixed plate.

[0020] In some embodiments, the portion of the track structure located on the first sub-fixed plate is the first track structure, and the first track structure is a U-shaped track structure with its opening facing the central axis of the fixed plate where the center portion of the fixed plate is located; the portion of the track structure located on the second sub-fixed plate is the second track structure, and the second track structure is a U-shaped track structure with its opening facing the central axis of the fixed plate where the center portion of the fixed plate is located; the portion of the track structure located on the third sub-fixed plate is the third track structure, and the third track structure is a U-shaped track structure with its opening facing the central axis of the fixed plate where the center portion of the fixed plate is located.

[0021] In some embodiments, the second fixing plate is adapted to the top structure of the track structure, a first distance between the inner wall and the outer wall of the second fixing plate is greater than a second distance between the inner wall and the outer wall of the track structure, and a limited position bead card groove is arranged on the second fixing plate at the dividing line between the first sub-fixing plate and the second sub-fixing plate.

[0022] In some embodiments, the sliding member includes a sliding member body, a limiting structure, a limiting movable structure, a roller structure and a wear-resistant structure; the limiting structure is arranged at the top of the first end of the sliding member body; the limiting movable structure is fixedly connected to the bottom of the first end of the sliding member body, and the limiting movable structure is adapted to the movable track and can be movably connected to the movable track; the roller structure is arranged at the outer edge of the second end of the sliding member body, and can roll along the inner wall of the track structure; the wear-resistant structure is arranged at the bottom of the sliding member body.

[0023] In a second aspect, the present invention further provides a sofa, which comprises the rotating structure as described in the first aspect and any embodiment thereof.

[0024] Compared with the prior art, the present invention provides a rotating structure and a sofa, wherein the rotating structure includes a fixed part and a sliding part; the first end of the sliding part can move along a moving track on the fixed part; the second end of the sliding part moves synchronously along the inner wall of the fixed part when the first end of the sliding part moves along the moving track, and can be stopped at multiple rotation gears on the fixed part through a limiting structure on the sliding part, and the sofa includes the rotating structure. The present invention reduces the cumulative error caused by the rotating operation by centrally installing the components included in the rotating structure, making the rotating operation more continuous and smooth, and improving the user's operating experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0026] Figure 1 A schematic diagram of a rotating structure provided by an embodiment of the present invention;

[0027] Figure 2 A schematic diagram of the structure of a fixing member in a rotating structure provided by an embodiment of the present invention;

[0028] Figure 3 A schematic diagram of an exploded structure of a first preferred embodiment of a fixing member in a rotating structure provided by an embodiment of the present invention;

[0029] Figure 4 A schematic diagram of an exploded structure of a second preferred embodiment of a fixing member in a rotating structure provided by an embodiment of the present invention;

[0030] Figure 5 A schematic diagram of an exploded structure of a third preferred embodiment of a fixing member in a rotating structure provided by an embodiment of the present invention;

[0031] Figure 6 A schematic structural diagram of a sliding member in a rotating structure provided in one embodiment of the present invention;

[0032] Figure 7 Another structural schematic diagram of a sliding member in a rotating structure provided by an embodiment of the present invention;

[0033] Figure 8 Another schematic diagram of the structure of a fixing member in a rotating structure provided by an embodiment of the present invention.

[0034] Among them, the reference numerals in the figures are as follows:

[0035] 10. Fixing member; 101. First fixing plate; 1011. First sub-fixing plate; 1012. Second sub-fixing plate; 1013. Third sub-fixing plate; 102. Track structure; 1021. First track structure; 1022. Second track structure; 1023. Third track structure; 103. Second fixing plate; 104. First connecting member; 105. Second connecting member; 106. Third connecting member; 11. Moving track; 12. Rotation gear; 121. First rotation gear; 122. Second rotation gear; 13. Limiting bead card slot; 20. Sliding member; 201. Limiting structure fixing slot; 21. Limiting structure; 211. Limiting substructure; 2111. Elastic member; 2112. Limiting bead; 22. Sliding member body; 23. Limiting moving structure; 24. Roller structure; 25. Wear-resistant structure. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] The directional terms mentioned in the present invention, such as "upper", "lower", "front", "back", "left", "right", "inner", "outer", "side", etc., are only referenced to the directions of the attached drawings. Therefore, the directional terms used are used to illustrate and understand the present invention, but are not used to limit the present invention. In addition, in the drawings, structures with similar or identical structures are represented by the same reference numerals.

[0038] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0039] It should also be understood that the terms used in the present specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the present specification and the appended claims, the singular forms "a", "an" and "the" are intended to include plural forms unless the context clearly indicates otherwise.

[0040] It should be further understood that the term "and / or" used in the present description and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0041] Please also see Figure 1 to Figure 2 , Figure 1 A schematic diagram of a rotating structure provided by an embodiment of the present invention; Figure 2 Schematic diagram of the structure of a fixed member in a rotating structure provided by an embodiment of the present invention. Figure 1-Figure 2 As shown, the rotating structure provided by the present invention includes: a fixed member 10 and a sliding member 20; the first end of the sliding member 20 can move along the moving track 11 on the fixed member 10; the second end of the sliding member 20 moves synchronously along the inner wall of the fixed member 10 when the first end of the sliding member 20 moves along the moving track 11, and can be stopped at multiple rotation gears on the fixed member 10 by the limiting structure 21 on the sliding member 20.

[0042] In this embodiment, when the sofa specifically adopts the rotating structure described in this application, the bottom end of the fixing member 10 can be fixedly connected to the base structure of the sofa, and the bottom of the sofa cushion can be fixedly connected to the sliding member 20. When the user needs to adjust the direction of the cushion, force can be applied to rotate the cushion and drive both ends of the sliding member 20 to move in the fixing member 10. Specifically, the first end of the sliding member 20 moves along the moving track 11 on the fixing member 10, and the second end of the sliding member 20 moves synchronously along the inner wall of the fixing member 10. When the first end of the sliding member 20 stays at different positions of the moving track 11, the second end of the sliding member 20 also stays at the corresponding position of the inner wall of the fixing member 10.

[0043] For example, the mobile track 11 adopts Figure 1 When the moving track 11 is in a straight line and the plurality of rotation gears 12 specifically include a first rotation gear 121 and a second rotation gear 122, the first end of the moving track 11 is located at the center of the fixing member 10, and the second end of the moving track 11 is located at an end away from the center of the fixing member 10. When the first end of the sliding member 20 stays at the first end of the moving track 11 and the second end of the sliding member 20 stays at Figure 1 When the first end of the sliding member 20 stops at the first end of the moving track 11 and the second end of the sliding member 20 stops at the top corner of the fixing member 10 shown in FIG. Figure 1When the sliding member 20 is at the right top corner of the fixing member 10 shown in the figure, it can be regarded as that the sliding member 20 stops at the second rotation gear 122 of the fixing member 10. Among them, when the sliding member 20 needs to be rotated from the first rotation gear 121 stopped at the fixing member 10 to the second rotation gear 122 stopped at the fixing member 10, the first end of the sliding member 20 needs to be slid from the first end of the moving track 11 to the second end of the moving track 11. During this movement process, there will be an intermediate transition switching state in which the first end of the sliding member 20 is located at the second end of the moving track 11 and the second end of the sliding member 20 is close to the first end of the moving track 11. When the smoothness of the operation of the intermediate transition switching state and other movement states is ensured, the smoothness of the operation of the sliding member when switching the rotation gear can be effectively ensured. Moreover, the components included in the rotation structure adopted in the present application are installed in a concentrated manner, and the cumulative error caused to the rotation operation is small, making the rotation operation more continuous and smooth, and improving the user's operating experience.

[0044] In some embodiments, as a first preferred embodiment of the fixing member, such as Figure 1-Figure 3 As shown, the fixing member 10 includes a first fixing plate 101, a track structure 102 and a second fixing plate 103 which are arranged in sequence from bottom to top; the first fixing plate 101, the track structure 102 and the second fixing plate 103 are fixedly connected by a first connecting member 104; the first fixing plate 101 is provided with the movable track 11, or the interlayer space between the first fixing plate 101 and the second fixing plate 103 forms the movable track 11.

[0045] In this embodiment, as a first preferred embodiment of the fixing member 10, the first fixing plate 101, the track structure 102 and the second fixing plate 103 can be separately processed and manufactured, and then the first fixing plate 101, the track structure 102 and the second fixing plate 103 are fixedly connected by the first connecting member 104 (such as a fixing screw, etc.) to form a complete fixing member 10. In addition, the movable track 11 (see Figure 2 and Figure 3 The movable track 11 is used as a track for guiding the first end of the sliding member 20 to move; or, the movable track 11 is formed by the interlayer space between the first fixing plate 101 and the second fixing plate 103, that is, a track for guiding the first end of the sliding member 20 to move is not separately provided on the first fixing plate 101 (this embodiment is not shown in FIG. 1 ). Figure 2 and Figure 3). When any of the above embodiments is adopted, it is limited that the first end of the sliding member 20 can move along the moving track 11 on the fixing member 10 and cannot exceed the movement stroke limited by the moving track 11; it is also limited that the second end of the sliding member 20 can move along the inner wall of the track structure 102. The fixing member adopting the above structure can not only limit the corresponding movement stroke of the first end of the sliding member through the moving track, but also limit the corresponding movement stroke of the second end of the sliding member through the inner wall of the track structure.

[0046] In some embodiments, as a second preferred embodiment of the fixing member, such as Figure 1 , Figure 2 and Figure 4 As shown, the fixing member 10 includes a first fixing plate 101, a track structure 102 and a second fixing plate 103 which are arranged in sequence from bottom to top; the first fixing plate 101 and the track structure 102 are integrally formed; the integrally formed first fixing plate 101 and the track structure 102 are fixedly connected to the second fixing plate 103 via a second connecting member 105; the first fixing plate 101 is provided with the movable track 11, or the interlayer space between the first fixing plate 101 and the second fixing plate 103 forms the movable track 11.

[0047] In this embodiment, as the second preferred embodiment of the fixing member 10, the second fixing plate 103 and the integrally formed first fixing plate 101 and the track structure 102 can be separately processed and manufactured, and then the integrally formed first fixing plate 101 and the track structure 102 are fixedly connected to the second fixing plate 103 through a second connecting member 105 (such as a fixing screw, etc.) to form a complete fixing member 10. The difference from the first preferred embodiment of the fixing member 10 is that the first fixing plate 101 and the track structure 102 are integrally formed. Similarly, the movable track 11 can also be provided on the first fixing plate 101 (see Figure 2 and Figure 4 The movable track 11 is used as a track for guiding the first end of the sliding member 20 to move; or, the movable track 11 is formed by the interlayer space between the first fixing plate 101 and the second fixing plate 103, that is, a track for guiding the first end of the sliding member 20 to move is not separately provided on the first fixing plate 101 (this embodiment is not shown in FIG. 1 ). Figure 2 and Figure 4). When any of the above embodiments is adopted, it is limited that the first end of the sliding member 20 can move along the moving track 11 on the fixing member 10 and cannot exceed the movement stroke limited by the moving track 11; it is also limited that the second end of the sliding member 20 can move along the inner wall of the track structure 102. The fixing member adopting the above structure can not only limit the corresponding movement stroke of the first end of the sliding member through the moving track, but also limit the corresponding movement stroke of the second end of the sliding member through the inner wall of the track structure.

[0048] In some embodiments, as a third preferred embodiment of the fixing member, Figure 1 , Figure 2 and Figure 5 As shown, the fixing member 10 includes a first fixing plate 101, a track structure 102 and a second fixing plate 103 which are arranged in sequence from bottom to top; the second fixing plate 103 and the track structure 102 are integrally formed; the integrally formed second fixing plate 103 and the track structure 102 are fixedly connected to the first fixing plate 101 via a third connecting member 106; the first fixing plate 101 is provided with the movable track 11, or the interlayer space between the first fixing plate 101 and the second fixing plate 103 forms the movable track 11.

[0049] In this embodiment, as the third preferred embodiment of the fixing member 10, the first fixing plate 101 and the integrally formed second fixing plate 103 and the track structure 102 can be separately processed and manufactured first, and then the integrally formed second fixing plate 103 and the track structure 102 are fixedly connected to the first fixing plate 101 through a third connecting member 106 (such as a fixing screw, etc.) to form a complete fixing member 10. The difference from the first preferred embodiment and the second preferred embodiment of the fixing member 10 is that the second fixing plate 103 and the track structure 102 are integrally formed. Similarly, the movable track 11 can also be provided on the first fixing plate 101 (see Figure 2 and Figure 5 The movable track 11 is used as a track for guiding the first end of the sliding member 20 to move; or, the movable track 11 is formed by the interlayer space between the first fixing plate 101 and the second fixing plate 103, that is, a track for guiding the first end of the sliding member 20 to move is not separately provided on the first fixing plate 101 (this embodiment is not shown in FIG. 1 ). Figure 2 and Figure 5). When any of the above embodiments is adopted, it is limited that the first end of the sliding member 20 can move along the moving track 11 on the fixing member 10 and cannot exceed the movement stroke limited by the moving track 11; it is also limited that the second end of the sliding member 20 can move along the inner wall of the track structure 102. The fixing member adopting the above structure can not only limit the corresponding movement stroke of the first end of the sliding member through the moving track, but also limit the corresponding movement stroke of the second end of the sliding member through the inner wall of the track structure.

[0050] In some embodiments, Figure 2 As shown, the inner wall of the track structure 102 between each two adjacent rotation gears among the plurality of rotation gears 12 is in an arc-shaped structure or a right-angled structure.

[0051] In this embodiment, still refer to Figure 2 In an example, if the multiple rotation gears 12 include a first rotation gear 121 and a second rotation gear 122, for example, when rotating from the first rotation gear 121 stopped at the fixing member 10 to the second rotation gear 122 stopped at the fixing member 10, the first end of the sliding member 20 needs to slide from the first end of the moving track 11 to the second end of the moving track 11. During this movement, an intermediate transition switching state will appear in which the first end of the sliding member 20 is located at the second end of the moving track 11 and the second end of the sliding member 20 is close to the first end of the moving track 11. There will also be an intermediate movement state in which the first end of the sliding member 20 is located between the first end and the second end of the moving track 11 and the second end of the sliding member 20 is located closer to the first rotation gear 121 or the second rotation gear 122. In order to make the second end of the sliding member 20 move more smoothly along the inner wall of the track structure 102, the inner wall of the track structure between the first rotation gear 121 and the second rotation gear 122 on the track structure 102 can be formed into an arc structure or a right-angle corner structure. In specific implementation, the inner wall of the track structure 102 between each two adjacent rotation gears of the plurality of rotation gears 12 is an arc structure or a right-angle structure, which is only used as an example, and is not limited to the arc structure or the right-angle structure, and other structures that can ensure the smooth movement of the second end of the sliding member can also be used. When the above structure is used to ensure the smoothness of the operation of the intermediate motion state and the intermediate transition switching state, it can effectively ensure the smoothness of the operation of the sliding member when switching the rotation gear, and improve the user's operating experience.

[0052] In some embodiments, Figure 1-Figure 5 As shown, if the moving track 11 is provided on the first fixing plate 101 , the moving track 11 is a full-through groove, a non-through groove or a moving guide rail.

[0053] In this embodiment, if the moving track 11 is provided on the first fixed plate 101, a position limiting moving structure needs to be fixedly provided at the bottom of the first end of the sliding member 20, and the position limiting moving structure needs to be adapted to the moving track 11 provided on the first fixed plate 101. In specific implementation, the moving track 11 is provided as follows: Figure 1-Figure 5 The fully through groove shown (more specifically, a linear moving track) can also be a non-through groove (in Figure 1-Figure 5 This embodiment is not shown in the figure, such as a grooved track) or a movable guide (in Figure 1-Figure 5 This embodiment is not shown in the figure, such as SBR guide rails or drawer slides, etc.); moreover, the above examples do not limit the movable track to only use full-through grooves, non-through grooves or movable guide rails, and other structures that can ensure the smooth movement of the first end of the sliding member and guide the second end to smoothly switch the rotation gear can also be used.

[0054] In some embodiments, Figure 1 and Figure 6 As shown, the sliding member 20 includes a sliding member body 22 and the limiting structure 21 ; the limiting structure 21 is arranged at the top of the first end of the sliding member body 22 .

[0055] In this embodiment, in order to enable the sliding member 20 to move smoothly in the fixing member 10 and stop at multiple rotation gears on the fixing member 10 through the limiting structure 21, the sliding member 20 can be configured to include a sliding member body 22 and a limiting structure 21 provided at the top of the first end of the sliding member body 22. If the inner wall of the fixing member 10 is specifically configured to be an arc-shaped structure, then at least the outer edge of the second end of the sliding member body 22 can be configured to be an arc structure (such as configuring the portion where the second end of the sliding member body 22 is located to be a cylindrical structure), and the second end of the sliding member body 22 can smoothly move along the inner wall of the fixing member 10 through the adaptation between the inner wall of the fixing member 10 and the second end of the sliding member body 22.

[0056] Moreover, in a specific implementation, the portion where the first end of the sliding member body 22 is located can also be set as a cylindrical structure, and the limiting structure 21 can be set at the top of the first end of the sliding member body 22. When the first end of the sliding member body 22 moves along the moving track 11, the outer wall of the first end of the sliding member body 22 can move more smoothly if it contacts the inner wall of the fixing member 10.

[0057] In some embodiments, Figure 1 , Figure 6 and Figure 7As shown, if the movable track 11 is provided at the bottom of the fixing member 10, the sliding member 20 further includes a limiting movable structure 23; the limiting movable structure 23 is fixedly connected to the bottom of the first end of the sliding member body 22, and the limiting movable structure 23 is adapted to the movable track 11 and can be movably connected to the movable track 11.

[0058] In this embodiment, if the movable track 11 is provided at the bottom of the fixing member 10, more specifically, Figure 1 In the case of the straight-line full-through groove shown, a limit movable structure 23 may be fixedly connected to the bottom of the first end of the sliding member body 22. For example, a limit pin or the like is specifically used, and the sliding member 20 may be movably connected to the moving track 11 through the limit movable structure 23. When the track travel of the moving track 11 is fixed, the movement travel of the first end of the sliding member body 22 is also fixed, and the rotation operation will not cause cumulative errors or will cause smaller cumulative errors.

[0059] In some embodiments, Figure 1 , Figure 6 and Figure 7 As shown, the sliding member 20 further includes a roller structure 24 ; the roller structure 24 is disposed at the outer edge of the second end of the sliding member body 22 and can roll along the inner wall of the fixing member 10 .

[0060] In this embodiment, when a roller structure 24 including a plurality of rollers is provided on the outer edge of the second end of the sliding member body 22, the sliding friction between the outer edge of the second end of the sliding member body 22 and the inner wall of the fixing member 10 can be effectively converted into rolling friction, thereby reducing the friction force between the second end of the sliding member body 22 and the inner wall of the fixing member 10, effectively protecting the second end of the sliding member body 22 and the inner wall of the fixing member 10, and improving the service life of the sliding member and the fixing member.

[0061] In some embodiments, Figure 1 , Figure 6 and Figure 7 As shown, the sliding member 20 further includes a wear-resistant structure 25 or a bottom rolling structure (not shown); the wear-resistant structure 25 or the bottom rolling structure is arranged at the bottom of the sliding member body 22 .

[0062] In this embodiment, when a wear-resistant structure 25 including a plurality of wear-resistant plates is provided at the bottom of the sliding member body 22 (for example, at least one wear-resistant plate is provided at both ends of the bottom of the sliding member body 22), or a bottom rolling structure including a plurality of bottom balls is provided (not shown), the wear-resistant structure 25 or the bottom rolling structure is added between the bottom of the sliding member body 22 and the contact surface of the fixing member 10, and the friction between the bottom of the sliding member body 22 and the contact surface of the fixing member 10 can be reduced, thereby effectively protecting the bottom of the sliding member body 22 and the fixing member 10, and improving the service life of the sliding member and the fixing member.

[0063] In some embodiments, Figure 1 , Figure 2 and Figure 6 As shown, the limiting structure 21 includes a plurality of limiting substructures, and are respectively arranged in the limiting structure fixing groove 201 corresponding to the first end of the sliding member; each of the limiting substructures 211 includes at least an elastic member 2111 and a limiting bead 2112, the first end of the elastic member 2111 is fixedly connected to the bottom end of the limiting structure fixing groove 201, and the first end of the elastic member 2111 is connected to the limiting bead 2112.

[0064] In this embodiment, after a plurality of limit substructures are provided at the top of the first end of the sliding member body 22 (such as Figure 1 and Figure 6 In the example shown, two limiting substructures are provided on the top of the first end of the sliding member body 22. When the limiting substructure is not engaged in the slot corresponding to the designated position of the fixing member 10, it indicates that both ends of the sliding member body 22 are still in the intermediate motion state. At this time, the sliding member body 22 needs to be rotated further until the limiting substructure is engaged in the slot corresponding to the designated position of the fixing member 10, which indicates that the second end of the sliding member body 22 stops at one of the multiple rotation gears on the fixing member 10. Moreover, when the limiting bead 2112 in the limiting substructure 211 is engaged in the slot corresponding to the designated position of the fixing member 10 under the elastic action of the elastic member 2111 (such as a spring, etc.), there is a sound of the limiting bead 2112 popping out, which can be used to prompt the user that the rotation gear switching operation of the rotating structure is successful, and the sliding member body 22 is locked in the state corresponding to the rotation gear at this time.

[0065] In some embodiments, Figure 1 , Figure 2 and Figure 6 As shown, the fixing member 10 is provided with a limiting bead slot 13 which is matched with the limiting bead 2112 of each limiting substructure 211 in the plurality of limiting substructures.

[0066] In this embodiment, the limiting bead slot 13 corresponding to the designated position of the fixing member 10 is used to clamp the limiting bead 2112 in the limiting substructure 211 when the second end of the sliding member body 22 stops at one of the multiple rotational positions on the fixing member 10, and lock the sliding member body 22 in the state corresponding to the rotational position.

[0067] In some embodiments, as a specific embodiment of the fixing member, such as Figure 8 As shown, the first fixed plate 101 includes a first sub-fixed plate 1011, a second sub-fixed plate 1012 and a third sub-fixed plate 1013 which are arranged in a ring in sequence and formed as one piece; the third sub-fixed plate 1013 is provided with the movable track 11 in a straight line shape; wherein the first end of the movable track 11 is located at the central part of the fixed plate of the first fixed plate 101, and the second end of the movable track 11 is located at the end of the third sub-fixed plate 1013 away from the central part of the fixed plate.

[0068] In this embodiment, as a specific embodiment of the fixing member 10, the first fixing plate 101 includes a first sub-fixing plate 1011, a second sub-fixing plate 1012 and a third sub-fixing plate 1013 which are arranged in a clockwise manner and are integrally formed, and the linear movable track 11 is arranged on the third sub-fixing plate 1013; wherein, Figure 8 The three dashed lines in the figure are used to illustrate the boundaries between the first sub-fixed plate 1011, the second sub-fixed plate 1012 and the third sub-fixed plate 1013. They do not exist in the specific implementation, and the first sub-fixed plate 1011, the second sub-fixed plate 1012 and the third sub-fixed plate 1013 are actually an integral structure formed in one piece. Figure 2 , the area corresponding to the first sub-fixed plate 1011 can be regarded as the first rotation gear 121, and the area corresponding to the second sub-fixed plate 1012 can be regarded as the second rotation gear 122. The first fixed plate with the above structure can at least achieve a total number of rotation gears of 2 on the fixing member. Of course, in specific implementation, the total number of sub-fixed plates included in the first fixed plate 101 is not limited to 3 and the total number of rotation gears corresponding to the first fixed plate 101 is not limited to 2. The total number of sub-fixed plates can also be greater than 3, and the total number of rotation gears can be greater than 2.

[0069] In some embodiments, as a specific embodiment of the fixing member, such as Figure 2 and Figure 8As shown, the portion of the track structure 102 located on the first sub-fixed plate 1011 is the first track structure 1021, and the first track structure 1021 is a U-shaped track structure with an opening toward the central axis of the fixed plate where the center portion of the fixed plate is located; the portion of the track structure 102 located on the second sub-fixed plate 1012 is the second track structure 1022, and the second track structure 1022 is a U-shaped track structure with an opening toward the central axis of the fixed plate where the center portion of the fixed plate is located; the portion of the track structure 102 located on the third sub-fixed plate 1013 is the third track structure 1023, and the third track structure 1023 is a U-shaped track structure with an opening toward the central axis of the fixed plate where the center portion of the fixed plate is located.

[0070] In this embodiment, when the total number of sub-fixed plates included in the first fixed plate 101 is 3 and the total number of rotation gears on the fixed member is 2, the track structure 102 is also divided into 3 track structures, namely the first track structure 1021, the second track structure 1022 and the third track structure 1023, with reference to the way in which the first fixed plate 101 is divided into 3 sub-fixed plates. When the above three track structures are all U-shaped track structures with openings facing the central axis of the fixed plate where the central part of the fixed plate is located, the composed track structure 102 can be regarded as a star-shaped structure similar to "Y". Among them, the inner wall of the first track structure 1021 is used to guide the second end of the sliding member 20 to move in the area corresponding to the first rotation gear 121, and the inner wall of the second track structure 1022 is used to guide the second end of the sliding member 20 to move in the area corresponding to the second rotation gear 122. The track structure with the above structure and the arc-shaped structure of the inner wall can effectively ensure the smooth operation of the sliding member when switching the rotation gear, thereby improving the user's operating experience.

[0071] In some embodiments, Figure 2 and Figure 8 As shown, the second fixing plate 103 is adapted to the top structure of the track structure 102, the first distance between the inner wall and the outer wall of the second fixing plate 103 is greater than the second distance between the inner wall and the outer wall of the track structure 102, and a limited position bead card groove 13 is arranged on the second fixing plate 103 at the boundary line between the first sub-fixing plate 1011 and the second sub-fixing plate 1012.

[0072] In this embodiment, the second fixing plate 103 can be set to match the top structure of the track structure 102, specifically, the second fixing plate 103 is set in the same shape as the top track of the track structure 102. It is also possible to make the first spacing between the inner wall and the outer wall of the second fixing plate 103 larger than the second spacing between the inner wall and the outer wall of the track structure 102, specifically, align the outer wall of the second fixing plate 103 with the outer wall of the track structure 102 in the longitudinal direction, then the inner wall of the second fixing plate 103 is closer to the center of the fixing plate than the inner wall of the track structure 102, and the interlayer space formed between the second fixing plate 103 and the first fixing plate 101 can also guide the movement of the sliding member on the fixing member.

[0073] Moreover, the specific position where the limit bead slot 13 is set on the second fixed plate 103 is directly opposite to the boundary line between the first sub-fixed plate 1011 and the second sub-fixed plate 1012. When the first end of the sliding member 20 stops at the first end of the moving track 11 and the second end of the sliding member 20 stops at the first rotation gear 121, one of the limit structures on the sliding member 20 is connected to the limit bead slot 13. When the first end of the sliding member 20 stops at the first end of the moving track 11 and the second end of the sliding member 20 stops at the second rotation gear 122, another limit structure on the sliding member 20 is connected to the limit bead slot 13.

[0074] In some embodiments, Figure 1 , Figure 6 , Figure 7 and Figure 8 The sliding member 20 includes a sliding member body 22, a limiting structure 21, a limiting movable structure 23, a roller structure 24 and a wear-resistant structure 25; the limiting structure 21 is arranged at the top of the first end of the sliding member body 22; the limiting movable structure 23 is fixedly connected to the bottom of the first end of the sliding member body 22, and the limiting movable structure 23 is adapted to the movable track 11 and can be movably connected to the movable track 11; the roller structure 24 is arranged at the outer edge of the second end of the sliding member body 22, and can roll along the inner wall of the track structure 102; the wear-resistant structure 25 is arranged at the bottom of the sliding member body 22.

[0075] In this embodiment, in order to enable the sliding member 20 to move smoothly in the fixing member 10 and stop at two rotation gears on the fixing member 10 through the limiting structure 21, the sliding member 20 can be configured to include a sliding member body 22 and a limiting structure 21 provided at the top of the first end of the sliding member body 22. If the inner wall of the fixing member 10 is specifically configured to be an arc-shaped structure (such as the track structure 102 of the fixing member 10 is configured to include three track structures, all of which are U-shaped track structures with openings facing the central axis of the fixing plate where the central part of the fixing plate is located), then at least the outer edge of the second end of the sliding member body 22 can be configured to be an arc structure (such as configuring the part where the second end of the sliding member body 22 is located to be a cylindrical structure), and the second end of the sliding member body 22 can smoothly move along the inner wall of the track structure 102 through the adaptation between the inner wall of the track structure 102 and the second end of the sliding member body 22.

[0076] Moreover, in a specific implementation, the portion where the first end of the slider body 22 is located can be set as a cylindrical structure, and the limiting structure 21 can be set at the top of the first end of the slider body 22. When the first end of the slider body 22 moves along the moving track 11, the outer wall of the first end of the slider body 22 can also move more smoothly if it contacts the inner wall of the track structure 102.

[0077] The movable track 11 is arranged at the bottom of the fixing member 10. Figure 1 In the case of the straight-line full-through groove shown, a limit movable structure 23 may be fixedly connected to the bottom of the first end of the sliding member body 22. For example, a limit pin or the like is specifically used, and the sliding member 20 may be movably connected to the moving track 11 through the limit movable structure 23. When the track travel of the moving track 11 is fixed, the movement travel of the first end of the sliding member body 22 is also fixed, and the rotation operation will not cause cumulative errors or will cause smaller cumulative errors.

[0078] When a roller structure 24 including a plurality of rollers is provided on the outer edge of the second end of the sliding member body 22, the sliding friction between the outer edge of the second end of the sliding member body 22 and the inner wall of the track structure 102 can be effectively converted into rolling friction, thereby reducing the friction force between the second end of the sliding member body 22 and the inner wall of the track structure 102, effectively protecting the second end of the sliding member body 22 and the inner wall of the track structure 102, and improving the service life of the sliding member and the fixing member.

[0079] When a wear-resistant structure 25 including a plurality of wear-resistant plates is provided at the bottom of the sliding member body 22 (for example, at least one wear-resistant plate is provided at both ends of the bottom of the sliding member body 22), or a bottom rolling structure including a plurality of bottom balls is provided (not shown in the figure), the wear-resistant structure 25 or the bottom rolling structure is added between the bottom of the sliding member body 22 and the contact surface of the first fixed plate 101, and the friction between the bottom of the sliding member body 22 and the contact surface of the first fixed plate 101 can be reduced, thereby effectively protecting the bottom of the sliding member body 22 and the fixing member 10, and improving the service life of the sliding member and the fixing member.

[0080] An embodiment of the present invention further provides a sofa, which includes the rotating structure as described in the first aspect and any embodiment thereof.

[0081] In this embodiment, when the sofa specifically adopts the rotating structure in the present application, the bottom end of the fixed part in the rotating structure can be fixedly connected to the base structure of the sofa, and the bottom of the sofa cushion can be fixedly connected to the sliding part in the rotating structure. When the user needs to adjust the direction of the cushion, force can be applied to rotate the cushion and drive both ends of the sliding part to move in the fixed part. Specifically, the first end of the sliding part moves along the moving track on the fixed part, and the second end of the sliding part moves synchronously along the inner wall of the fixed part. When the first end of the sliding part stays at different positions of the moving track, the second end of the sliding part also stays at the corresponding position of the inner wall of the fixed part. The components included in the rotating structure used in the sofa are installed in a concentrated manner, and the cumulative error caused to the rotation operation is small, making the rotation operation more continuous and smooth, and improving the user's operating experience.

[0082] More specifically, when a sofa has multiple seats, the seat frame of each seat or the seat frames of some seats can adopt the rotating structure. For example, when the seat frames at both ends of a sofa have the rotating structure, the seats at both ends can rotate and change directions without interfering with or scratching the adjacent seats.

[0083] In summary, the present invention provides a rotating structure and a sofa, wherein the rotating structure includes a fixed part and a sliding part; the first end of the sliding part can move along a moving track on the fixed part; the second end of the sliding part moves synchronously along the inner wall of the fixed part when the first end of the sliding part moves along the moving track, and can be stopped at multiple rotation gears on the fixed part through a limiting structure on the sliding part, and the sofa includes the rotating structure. The present invention reduces the cumulative error caused by the rotating operation by centrally installing the components included in the rotating structure, making the rotating operation more continuous and smooth, and improving the user's operating experience.

[0084] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A rotating structure, characterized in that: include: A fixed member and a sliding member; the first end of the sliding member can move along a moving track on the fixed member; the second end of the sliding member moves synchronously along the inner wall of the fixed member when the first end of the sliding member moves along the moving track, and can be stopped at multiple rotation gears on the fixed member by a limiting structure on the sliding member.

2. The rotating structure according to claim 1, characterized in that: The fixing member includes a first fixing plate, a track structure and a second fixing plate which are arranged in sequence from bottom to top; the first fixing plate, the track structure and the second fixing plate are fixedly connected by a first connecting member; the first fixing plate is provided with the movable track, or the interlayer space between the first fixing plate and the second fixing plate forms the movable track.

3. The rotating structure according to claim 1, characterized in that: The fixing member includes a first fixing plate, a track structure and a second fixing plate which are arranged in sequence from bottom to top; the first fixing plate and the track structure are integrally formed; the first fixing plate and the track structure which are integrally formed are fixedly connected to the second fixing plate via a second connecting member; the first fixing plate is provided with the movable track, or the interlayer space between the first fixing plate and the second fixing plate forms the movable track.

4. The rotating structure according to claim 1, characterized in that: The fixing member includes a first fixing plate, a track structure and a second fixing plate which are arranged in sequence from bottom to top; the second fixing plate and the track structure are integrally formed; the integrally formed second fixing plate and the track structure are fixedly connected to the first fixing plate via a third connecting member; the first fixing plate is provided with the movable track, or the interlayer space between the first fixing plate and the second fixing plate forms the movable track.

5. The rotating structure according to any one of claims 2 to 4, characterized in that: The inner wall of the track structure located between each two adjacent rotation gears among the plurality of rotation gears on the track structure is in an arc-shaped structure or a right-angled corner structure.

6. The rotating structure according to any one of claims 2 to 4, characterized in that: If the moving track is provided on the first fixing plate, the moving track is a full-through groove, a non-through groove or a moving guide rail.

7. The rotating structure according to claim 1, characterized in that: The sliding member comprises a sliding member body and the limiting structure; the limiting structure is arranged at the top of the first end of the sliding member body.

8. The rotating structure according to claim 7, characterized in that: If the movable track is provided at the bottom of the fixing member, the sliding member further comprises a position limiting movable structure; the position limiting movable structure is fixedly connected to the bottom of the first end of the sliding member body, and the position limiting movable structure is adapted to the movable track and can be movably connected to the movable track.

9. The rotating structure according to any one of claims 7 to 8, characterized in that: The sliding member further comprises a roller structure; the roller structure is arranged at the outer edge of the second end of the sliding member body and can roll along the inner wall of the fixing member.

10. The rotating structure according to any one of claims 7 to 8, characterized in that: The sliding member further comprises a wear-resistant structure or a bottom rolling structure; the wear-resistant structure or the bottom rolling structure is arranged at the bottom of the sliding member body.

11. The rotating structure according to claim 7, characterized in that: The limiting structure includes a plurality of limiting substructures, which are respectively arranged in the limiting structure fixing grooves corresponding to the first end of the sliding member; each of the plurality of limiting substructures includes at least an elastic member and a limiting bead, the first end of the elastic member is fixedly connected to the bottom end of the limiting structure fixing groove, and the first end of the elastic member is connected to the limiting bead.

12. The rotating structure according to claim 11, characterized in that: The fixing member is provided with a limiting bead clamping groove matched with the limiting bead of each limiting substructure in the plurality of limiting substructures.

13. The rotating structure according to claim 5, characterized in that: The first fixed plate includes a first sub-fixed plate, a second sub-fixed plate and a third sub-fixed plate which are arranged in a ring in sequence and formed integrally; the third sub-fixed plate is provided with the movable track in a straight line shape; wherein the first end of the movable track is located at the central part of the fixed plate of the first fixed plate, and the second end of the movable track is located at the end of the third sub-fixed plate away from the central part of the fixed plate.

14. The rotating structure according to claim 13, characterized in that: The portion of the track structure located on the first sub-fixed plate is the first track structure, and the first track structure is a U-shaped track structure with its opening facing the central axis of the fixed plate where the center portion of the fixed plate is located; the portion of the track structure located on the second sub-fixed plate is the second track structure, and the second track structure is a U-shaped track structure with its opening facing the central axis of the fixed plate where the center portion of the fixed plate is located; the portion of the track structure located on the third sub-fixed plate is the third track structure, and the third track structure is a U-shaped track structure with its opening facing the central axis of the fixed plate where the center portion of the fixed plate is located.

15. The rotating structure according to claim 14, characterized in that: The second fixing plate is adapted to the top structure of the track structure, a first distance between the inner wall and the outer wall of the second fixing plate is greater than a second distance between the inner wall and the outer wall of the track structure, and a limited position bead card groove is arranged on the second fixing plate at a boundary line between the first sub-fixing plate and the second sub-fixing plate.

16. The rotating structure according to claim 15, characterized in that: The sliding member includes a sliding member body, a limiting structure, a limiting movable structure, a roller structure and a wear-resistant structure; the limiting structure is arranged at the top of the first end of the sliding member body; the limiting movable structure is fixedly connected to the bottom of the first end of the sliding member body, and the limiting movable structure is adapted to the movable track and can be movably connected to the movable track; the roller structure is arranged at the outer edge of the second end of the sliding member body, and can roll along the inner wall of the track structure; the wear-resistant structure is arranged at the bottom of the sliding member body.

17. A sofa, characterized in that: Comprising a rotating structure as described in any one of claims 1-16.

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