Multi-person modular reclining sofa

Abstract

The present invention relates to a multi-person modular reclining sofa. The multi-person modular reclining sofa according to one embodiment of the present invention comprises: a plurality of sofa frame modules which are arranged to be adjacent to each other in the left-right direction, and to which at least one cushion is detachably coupled; and a plurality of intermediate support leg modules which are coupled to the lower end thereof between the plurality of sofa frame modules, and which connect, to each other, the two adjacent sofa frame modules from among the plurality of sofa frame modules, wherein the sofa frame module includes: a pair of side frames which are arranged to be spaced apart to face each other in the left-right direction, and which extend in the front-rear direction; a backrest frame having both sides of the lower end portion to be rotatably coupled to the rear end portion of each of the pair of side frames; and a seat frame having both end portions rotatably coupled to both sides of the lower end portion of the backrest frame, and the intermediate support leg modules are coupled to connect, to each other, the lower end portions of the side frames provided at each of the two adjacent sofa frame modules from among the plurality of sofa frame modules.

Description

Multi-seater modular reclining sofa

[0001] The present invention relates to a multi-seater modular reclining sofa, and more particularly, to a multi-seater modular reclining sofa having a simpler structure and being easy to assemble, disassemble, and maintain, as well as reducing manufacturing costs and shortening manufacturing time.

[0002] A sofa is typically comprised of a backrest and a seat. The backrest, designed to support the user's back, consists of a backrest frame and a backrest cushion. The seat, designed to support the user's buttocks (lower body), consists of a seat frame and a seat cushion. Additionally, some sofas may also include armrests on either side, depending on the type.

[0003] These sofas are divided into single-seater sofas that can seat one person and multi-seater sofas that can seat two or more people at the same time. Most sofas have fixed backrest frames and seat frames, so there was a problem in that the user could not adjust the incline of the backrest frame to the desired angle.

[0004] To solve these problems, various types of recliners have been introduced recently that allow the seat frame to be extended forward and the angle of the backrest frame to be adjusted.

[0005] These recliners can be divided into manual recliners where the footstool is extended using a side lever, electric recliners where the footstool is adjusted with a button using an electric device, and semi-automatic recliners where the recline can be adjusted according to the user's weight.

[0006] For example, in Korean Utility Model Publication No. 20-0404083 (Sofa having a backrest angle adjustment device) (published on December 19, 2005) (hereinafter, Patent Document 1), a structure of a semi-automatic recliner is disclosed in which an air cylinder (208) provided at one end of a support frame (200) and an angle adjustment means (240) provided on the central axis of the support frame (200) are provided so that a user can adjust the backrest angle of the sofa to a desired angle by operating the air cylinder (208) using a switch.

[0007] However, the recliner disclosed in Patent Document 1 has a problem in that the structure of the angle adjustment means (240), such as the air cylinder (208) provided in the support frame (200) and the backrest frame (216), is complicated, which not only increases the manufacturing cost, but also makes it difficult for the worker to assemble and disassemble the recliner if he or she is not a skilled technician. In addition, although not disclosed in Patent Document 1, when this structure is applied to a multi-seater sofa capable of individually adjusting the incline, there is a problem in that the structure becomes even more complicated.

[0008] Meanwhile, a couch sofa is a type of sofa that can be placed in a relatively spacious living space and function as both a sofa and a bed. In other words, a couch sofa is a long chair that functions as a cross between a bed and a sofa, and is manufactured with various variations of backrest support (frame), seat support (frame), and calf support (frame). These couch sofas can be used independently as a single-seater, but are often placed on one side of a regular sofa.

[0009] However, since conventional couch sofas typically have the backrest support, seat support, and calf support fixed at a specific angle, there was a problem in that the inclination of the backrest support, seat support, or calf support could not be adjusted according to the user's body type or condition.

[0010] Accordingly, various types of couch sofas with reclining functions that allow users to adjust the incline of the backrest, seat, or calf rest are being introduced recently.

[0011] For example, Korean Patent Publication No. 10-1353031 (Electric Sofa) (announced on January 23, 2014) (hereinafter, Patent Document 2) discloses a structure of a multi-person modular reclining sofa in which a sofa mat (100), a backrest mat (300), an auxiliary mat (400), and a headrest (400) are driven by separate power devices so that the functions of a recliner sofa and a couch-type sofa can be used simultaneously.

[0012] However, the multi-seater modular reclining sofa disclosed in Patent Document 2 has a problem in that it requires a plurality of motors, a plurality of gears, a plurality of ball screw-type power transmission structures, etc. to drive the sofa mat (100), the backrest mat (300), the auxiliary mat (400), and the headrest (400), and thus the overall structure is complex and the manufacturing cost increases accordingly. In addition, there is a problem in that the entire multi-seater sofa has the same incline uniformly, making it impossible to individually adjust the incline for each user.

[0013] Therefore, there is a need for a multi-seater modular reclining sofa that has a simpler structure and is easy to assemble, disassemble, and maintain, while also reducing manufacturing costs and shortening manufacturing time.

[0014] <Prior Art Literature>

[0015] Patent Document

[0016] (Patent Document 0001) Domestic Utility Model Registration No. 20-0404083 (Sofa with Backrest Angle Adjustment Device) (Publicly Announced on December 19, 2005)

[0017] (Patent Document 0002) Domestic Patent Publication No. 10-1353031 (Electric Sofa) (Published on January 23, 2014).

[0018] The present invention has been invented to improve the above-mentioned problem, and the problem to be solved by the present invention is to provide a multi-seater modular reclining sofa that has a simpler structure and is easy to assemble, disassemble, and maintain, as well as reduce manufacturing costs and shorten manufacturing time by manufacturing a multi-seater modular reclining sofa using a plurality of sofa frame modules having the same structure and a plurality of intermediate bridge modules connecting two adjacent sofa frame modules between the plurality of sofa frame modules arranged adjacent to each other.

[0019] The technical problems of the present invention are not limited to those mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the description below.

[0020] In order to achieve the above object, a multi-seater modular reclining sofa according to one embodiment of the present invention comprises: a plurality of sofa frame modules arranged adjacent to each other in the left-right direction and having at least one cushion detachably coupled thereto; and a plurality of intermediate leg modules coupled to the lower end between the plurality of sofa frame modules and connecting two adjacent sofa frame modules among the plurality of sofa frame modules to each other; wherein the sofa frame module comprises: a pair of side frames spaced apart from each other in the left-right direction and formed long in the front-back direction; a backrest frame having both lower ends rotatably coupled to the rear ends of each of the pair of side frames; and a seat frame having both ends rotatably coupled to both lower ends of the backrest frame; wherein the intermediate leg modules are coupled to connect lower ends of side frames provided on each of the two adjacent sofa frame modules among the plurality of sofa frame modules to each other.

[0021] At this time, the intermediate bridge module is characterized by including an intermediate bridge fixing body that is in close contact with the lower surface of the first side frame provided in the first sofa frame module among the plurality of sofa frame modules and the lower surface of the second side frame provided in the second sofa frame module adjacent to the first side frame; at least one intermediate bridge provided on the lower surface of the intermediate bridge fixing body; and a pair of intermediate bridge coupling members that fix and couple the intermediate bridge fixing body to the lower surface of the first side frame and the lower surface of the second side frame while the intermediate bridge fixing body is in close contact with the lower surface of the first side frame and the lower surface of the second side frame.

[0022] In addition, a first coupling hole and a second coupling hole are formed in the lower surface of the first side frame and the lower surface of the second side frame so as to penetrate in the vertical direction, respectively, and a first intermediate bridge fixing hole and a second intermediate bridge fixing hole are formed in the intermediate bridge fixing body so as to penetrate in the vertical direction at positions corresponding to the first coupling hole and the second coupling hole, respectively, and the intermediate bridge fixing member includes: a bolt member that is inserted and coupled into the first coupling hole or the second coupling hole through the first intermediate bridge fixing hole or the second intermediate bridge fixing hole; and a nut member that fixes and couples the bolt member in a state where the bolt member is inserted and coupled into the first coupling hole or the second coupling hole.

[0023] In addition, the multi-person modular reclining sofa is characterized in that it further includes a plurality of outer leg modules that are connected to the lower end of a side frame provided on the outer side of each of a pair of sofa frame modules arranged at both ends among the plurality of sofa frame modules.

[0024] In addition, the multi-person modular reclining sofa is characterized in that it further includes a pair of armrest frame modules coupled to the side of a side frame provided on the outer side of each of a pair of sofa frame modules arranged at both ends among the plurality of sofa frame modules.

[0025] Meanwhile, the sofa frame module is characterized in that it further includes a pair of operating frames that are fixed to both sides of the lower end of the seat frame and have a shape inclined in a direction toward the rear end, a fixed shaft that is arranged at the lower end of each of the pair of operating frames and has both ends fixedly connected to the front end of each of the pair of side frames, and a pair of control adapters that are rotatably connected to the fixed shaft and are reciprocally connected along each of the pair of operating frames, and that adjust the inclination strength of the seat frame and the backrest frame when adjusting the angle of the seat frame and the backrest frame, or that fix the angle of the seat frame and the backrest frame.

[0026] At this time, the control adapter comprises: a first adapter body having a first coupling portion formed at the bottom to wrap around one side of the outer circumference of the fixed shaft, a penetration portion formed at the top through which the operating frame passes, and a first knob coupling hole formed to communicate with the penetration portion in a direction perpendicular to the fixed shaft from the lower end of the front end of the side frame; a second adapter body detachably coupled to the first adapter body, having a second coupling portion formed at the top to wrap around the other side of the outer circumference of the fixed shaft when coupled to the first adapter body, and having a second knob coupling hole formed to communicate with the first knob coupling hole in a direction perpendicular to the fixed shaft; an adjustment knob inserted into the first knob coupling hole through the second knob coupling hole from the lower end of the front end of the side frame in a state in which the first adapter body and the second adapter body are coupled, and reciprocatingly moving along the first knob coupling hole by rotation; And it is characterized by including a friction member that is detachably connected to one end of the control knob, has an inclined surface formed at the top so as to contact the lower surface of the operating frame, and adjusts the frictional force at the contact surface with the operating frame when the control knob rotates and comes into contact with the operating frame, or adjusts the operating frame so that the penetrating portion can be reciprocated when the control knob is released from contact with the operating frame.

[0027] In addition, the friction member is characterized by being made of polyoxymethylene (POM) material.

[0028] Specific details of other embodiments are included in the detailed description and drawings.

[0029] According to a multi-seater modular reclining sofa according to one embodiment of the present invention, by manufacturing a multi-seater modular reclining sofa using a plurality of sofa frame modules having the same structure and a plurality of intermediate bridge modules connecting two adjacent sofa frame modules between the plurality of sofa frame modules arranged adjacent to each other, not only is the assembly, disassembly, and maintenance work easy with a simpler structure, but also the manufacturing cost can be reduced and the manufacturing time can be shortened.

[0030] In addition, according to a multi-seater modular reclining sofa according to one embodiment of the present invention, a multi-seater reclining sofa is manufactured by arranging a plurality of sofa frame modules that can be individually tilt-adjusted side by side, so that assembly, disassembly, and replacement work can be performed only on specific sofa frame modules as needed, thereby reducing the time required for assembly, disassembly, and replacement work and improving the convenience of work.

[0031] In addition, according to a multi-seater modular reclining sofa according to one embodiment of the present invention, in addition to a plurality of sofa frame modules and a plurality of intermediate leg modules, an outer leg module or an armrest frame module that can be selectively connected to a pair of sofa frames arranged at both ends is provided, thereby providing a multi-seater modular reclining sofa with various structures according to the user's preference.

[0032] In addition, according to a multi-person modular reclining sofa according to one embodiment of the present invention, a backrest frame and a seat frame are rotatably connected to a pair of side frames, and a pair of control adapters connected to a fixed shaft provided at the front end of the side frames and a pair of operating frames provided at the bottom of the seat frame are used to adjust the angles of the backrest frame and the seat frame, thereby providing a multi-person modular reclining sofa that is easy to assemble, disassemble, and maintain while allowing individual angle adjustment for each user with a simpler structure.

[0033] In addition, according to a multi-seater modular reclining sofa according to one embodiment of the present invention, since the control adapter is arranged at the lower front end of the side frame, it can be easily applied to a multi-seater modular reclining sofa in which a plurality of sofa frame modules are arranged side by side, and since the control adapter installed in each sofa frame module can be individually operated to individually adjust the inclination of each sofa frame module, the convenience of operation by the user can be improved.

[0034] In addition, according to a multi-seater modular reclining sofa according to one embodiment of the present invention, a control adapter coupled to a fixed shaft is formed in a structure that can be coupled and detached around the fixed shaft so that the control adapter can be directly attached and detached to the side of the fixed shaft while the operating frame and the control adapter are installed at the lower part of the seat frame, thereby making it easy to assemble and disassemble the control adapter to the fixed shaft, and since the fixed shaft does not need to be separately disassembled from the sofa frame module for replacing the control adapter during the maintenance stage, convenience of work can be improved during the assembly, disassembly, and replacement of the multi-seater modular reclining sofa.

[0035] In addition, according to a multi-person modular reclining sofa according to one embodiment of the present invention, since the control adapter has a friction member having an inclined surface formed so as to contact the lower surface of the operating frame at one end of the adjustment knob, the frictional force at the contact surface with the operating frame can be easily adjusted, so that the tilt strength of the seat frame and the backrest frame can be more easily adjusted by the control adapter.

[0036] The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

[0037] FIG. 1 is a perspective view schematically showing the structure of a multi-person modular reclining sofa according to one embodiment of the present invention.

[0038] FIG. 2 is an exploded perspective view schematically showing the structure of a multi-person modular reclining sofa according to one embodiment of the present invention.

[0039] FIG. 3 is a perspective view showing the structure of a sofa frame module constituting a multi-person modular reclining sofa according to one embodiment of the present invention.

[0040] FIG. 4 is a drawing showing the structure of a control adapter constituting a sofa frame module of a multi-person modular reclining sofa according to one embodiment of the present invention.

[0041] FIG. 5 is an exploded perspective view showing the structure of a control adapter constituting a sofa frame module of a multi-person modular reclining sofa according to one embodiment of the present invention.

[0042] FIG. 6 is a longitudinal cross-sectional view showing the structure of a control adapter constituting a sofa frame module of a multi-person modular reclining sofa according to one embodiment of the present invention.

[0043] FIG. 7 is a drawing showing the appearance of a sofa frame module constituting a multi-person modular reclining sofa according to one embodiment of the present invention when it is in its basic position.

[0044] FIG. 8 is a drawing showing the appearance of a sofa frame module constituting a multi-person modular reclining sofa according to one embodiment of the present invention when it is in a folded position.

[0045] FIG. 9 is a perspective view showing the structure of an intermediate leg module and the combined structure of a sofa frame module constituting a multi-person modular reclining sofa according to one embodiment of the present invention.

[0046] FIG. 10 is an exploded perspective view showing the structure of an intermediate leg module and the joint structure of a sofa frame module constituting a multi-person modular reclining sofa according to one embodiment of the present invention.

[0047] Fig. 11 is a perspective view showing a modified example of a multi-person modular reclining sofa according to one embodiment of the present invention.

[0048] FIG. 12 is an exploded perspective view showing a modified example of a multi-person modular reclining sofa according to one embodiment of the present invention.

[0049] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings to enable a person having ordinary skill in the art to easily carry out the present invention.

[0050] In describing the embodiments, descriptions of technical details that are well known in the technical field to which the present invention pertains and are not directly related to the present invention will be omitted. This is to avoid obscuring the gist of the present invention by omitting unnecessary explanations and to convey the gist more clearly.

[0051] For the same reason, some components in the attached drawings are exaggerated, omitted, or schematically depicted. Furthermore, the dimensions of each component do not entirely reflect its actual size. Identical or corresponding components in each drawing are assigned the same reference numbers.

[0052] Additionally, it will be appreciated that expressions and terms used herein with respect to device or element orientation (e.g., “front,” “back,” “up,” “down,” “top,” “bottom,” “left,” “right,” “lateral”) are used merely to simplify the description of the invention and do not indicate or imply that the associated device or element must have a particular orientation.

[0053] Hereinafter, the present invention will be described with reference to drawings for explaining a multi-person modular reclining sofa according to one embodiment of the present invention.

[0054] FIG. 1 is a perspective view schematically showing the structure of a multi-seater modular reclining sofa according to one embodiment of the present invention, and FIG. 2 is an exploded perspective view schematically showing the structure of a multi-seater modular reclining sofa according to one embodiment of the present invention.

[0055] As illustrated in FIGS. 1 and 2, a multi-person modular reclining sofa (1) according to one embodiment of the present invention may be configured to include a plurality of sofa frame modules (100), a plurality of intermediate leg modules (200), and a plurality of outer leg modules (300).

[0056] As illustrated in FIG. 1, a plurality of sofa frame modules (100) are provided and arranged adjacent to each other in the left-right direction, and at least one cushion (not illustrated), such as a backrest cushion or a seat cushion, can be detachably coupled to each sofa frame module (100). For convenience of explanation, the present invention will be described by taking as an example a two-seater reclining sofa in which two sofa frame modules (100A, 100B) are arranged adjacently.

[0057] The sofa frame module (100) comprises a pair of side frames (110), a backrest frame (120), and a seat frame (130), and may have a structure that can be individually adjusted to different angles for each user. The specific structure of this sofa frame module (100) will be described in detail later with reference to FIGS. 3 to 8.

[0058] As shown in FIGS. 1 and 2, a plurality of intermediate bridge modules (200) are provided and are connected to the bottom between a plurality of sofa frame modules (100) arranged adjacent to each other, and two adjacent sofa frame modules (100) among the plurality of sofa frame modules (100) can be connected to each other.

[0059] That is, the intermediate bridge module (200) can not only function as a sofa leg for each sofa frame module (100), but also function to connect two sofa frame modules (100) to each other. In other words, the multi-seater modular reclining sofa (1) according to one embodiment of the present invention has an intermediate bridge (220) for each sofa frame module (100) and can simplify the overall structure compared to the existing method of connecting a plurality of sofa frame modules (100) using a separate connecting member, and can have the advantage of being easy to assemble, disassemble, and maintain.

[0060] The intermediate bridge module (200) may be configured to include an intermediate bridge fixing body (210), an intermediate bridge (220), and an intermediate bridge connecting member (230). The specific structure of this intermediate bridge module (200) will be described in detail later with reference to FIGS. 9 and 10.

[0061] FIG. 1 and FIG. 2 illustrate an example in which two sofa frame modules (100), a first sofa frame module (100A) and a second sofa frame module (100B), are arranged adjacent to each other, and two intermediate bridge modules (200) are provided at the front and rear ends, respectively, at the bottom between the first sofa frame module (100A) and the second sofa frame module (100B).

[0062] Meanwhile, as illustrated in FIGS. 1 and 2, a multi-person modular reclining sofa (1) according to one embodiment of the present invention may further include an outer leg module (300) in addition to a plurality of sofa frame modules (100) and a plurality of intermediate leg modules (200).

[0063] The outer bridge module (300) may be provided in multiple numbers and may be coupled to the lower end of each of a pair of sofa frame modules (100) positioned at both ends among the plurality of sofa frame modules (100) (more precisely, the lower end of the side frame (110) provided on the outer side of each sofa frame module (100).

[0064] As illustrated in FIG. 2, the outer bridge module (300) may be composed of an outer bridge fixing body (310), an outer bridge (320), and an outer bridge joining member (330), and since it has a structure substantially similar to that of the intermediate bridge module (200) described below, a duplicate description thereof will be omitted.

[0065] FIG. 1 and FIG. 2 illustrate an example in which, when the first sofa frame module (100A) and the second sofa frame module (100B) are arranged adjacent to each other, two outer bridge modules (300) are provided at the front and rear ends at the lower left side of the first sofa frame module (100A), and two outer bridge modules (300) are provided at the front and rear ends at the lower right side of the second sofa frame module (100B).

[0066] As illustrated in FIGS. 1 and 2, a multi-person modular reclining sofa (1) according to one embodiment of the present invention can be easily manufactured in a shorter period of time by arranging a necessary number of sofa frame modules (100) having the same structure so that the inclination can be individually adjusted, connecting a plurality of sofa frame modules (100) to each other by connecting an appropriate number of intermediate leg modules (200) (in the example of FIG. 1, two intermediate leg modules (200) for the first sofa frame module (100A) and the second sofa frame module (100B)) between each of two adjacent sofa frame modules (100), and then connecting an appropriate number of outer leg modules (300) to the lower portions of each of a pair of sofa frame modules (100) arranged at both ends (in the example of FIG. 1, two outer leg modules (300) for each of the first sofa frame module (100A) and the second sofa frame module (100B)). there is.

[0067] Hereinafter, with reference to FIGS. 3 to 8, the structure of a sofa frame module (100) constituting a multi-person modular reclining sofa (1) according to one embodiment of the present invention will be described in detail.

[0068] FIG. 3 is a perspective view showing the structure of a sofa frame module constituting a multi-person modular reclining sofa according to one embodiment of the present invention.

[0069] As illustrated in FIG. 3, the sofa frame module (100) may be configured to include a pair of side frames (110), a backrest frame (120), and a seat frame (130).

[0070] A pair of side frames (110) are spaced apart from each other in the left-right direction and may be formed long in the front-back direction. As illustrated in FIG. 3, each side frame (110) may have a joining hole (111) formed on the lower surface into which an intermediate bridge joining member (230) of an intermediate bridge module (200) described later is inserted and joined.

[0071] In Fig. 3, an example is shown in which the side frame (110) has a thin plate shape and the rear end protrudes upward to form a roughly 'L' shape, but the shape of the side frame (110) can be changed at any time by those skilled in the art.

[0072] The backrest frame (120) may be rotatably coupled at both ends of the lower portion to the rear ends of each of a pair of side frames (110). In addition, the seat frame (130) may be rotatably coupled at both ends to the lower portions of the backrest frame (120). That is, the backrest frame (120) and the seat frame (130) are rotatably coupled to each other so that their angles can be adjusted by the user.

[0073] As illustrated in FIG. 3, the backrest frame (120) and the seat frame (130) have openings at both ends that are rotatably coupled to each other, forming a roughly 'ㄷ' shape, and, if necessary, an auxiliary frame may be provided inside the 'ㄷ'-shaped frame. FIG. 3 illustrates an example in which the backrest frame (120) and the seat frame (130) are formed into a 'ㄷ' shape by cutting and connecting a square-section pipe, but the present invention is not limited thereto, and the shapes of the backrest frame (120) and the seat frame (130) may be changed at any time by those skilled in the art.

[0074] Meanwhile, a sofa frame module (100) constituting a multi-person modular reclining sofa (1) according to one embodiment of the present invention may include a pair of operating frames (140), a fixed shaft (150), and a pair of control adapters (160) to adjust the angles of a backrest frame (120) and a seat frame (130) based on a pair of side frames (110).

[0075] The operating frame (140) is fixed to both sides of the lower portion of the seat frame (130) and may have a shape inclined toward the rear end. A pair of such operating frames (140) may be provided on both sides of the lower portion of one seat frame (130).

[0076] As illustrated in FIG. 3 and FIG. 4 to be described later, the operating frame (140) has an overall shape roughly in the shape of the letter 'L', and the inclined surface (164a) facing the front end of the side frame (110) may have a relatively gentle slope, while the inclined surface (164a) facing the rear end of the side frame (110) may have a relatively steep slope. At this time, since the lower surface of the operating frame (140) is contacted by a friction member (164) coupled to one end of an adjustment knob (163) to be described later, it is preferable that the cross section of the operating frame (140) be formed in a rectangular shape in order to increase the contact efficiency.

[0077] A fixed shaft (150) is positioned at the lower end of each of a pair of operating frames (140), and both ends can be fixedly connected to the front end of each of a pair of side frames (110). Since the fixed shaft (150) must be rotatably connected to a control adapter (160) to be described later, it is preferable that it have a pipe shape formed long with a circular cross-section.

[0078] The control adapter (160) is rotatably coupled to the fixed shaft (150) and can be reciprocally coupled along each of the pair of operating frames (140). A pair of these control adapters (160) can be provided on both sides of the lower portion of the seat frame (130) corresponding to a pair of operating frames (140) for one seat frame (130).

[0079] The control adapter (160) can adjust the tilt strength of the seat frame (130) and the backrest frame (120) or fix the angle of the seat frame (130) and the backrest frame (120) when the operating frame (140) fixed to the lower part of the seat frame (130) moves back and forth to adjust the angle of the seat frame (130) and the backrest frame (120) rotatably coupled thereto.

[0080] That is, the control adapter (160) can adjust the strength of the incline adjustment by adjusting the strength of the reciprocating movement of the operating frame (140) when the user wants to adjust the incline of the backrest frame (120) and the seat frame (130), or can play a role in fixing the backrest frame (120) and the seat frame (130) to a specific position (specific angle).

[0081] Hereinafter, with reference to FIGS. 4 to 8, the structure and operation of the control adapter (160) constituting the sofa frame module (100) of the multi-person modular reclining sofa (1) according to one embodiment of the present invention will be described in detail.

[0082] FIG. 4 is a drawing showing the structure of a control adapter constituting a sofa frame module of a multi-seater modular reclining sofa according to one embodiment of the present invention, FIG. 5 is an exploded perspective view showing the structure of a control adapter constituting a sofa frame module of a multi-seater modular reclining sofa according to one embodiment of the present invention, and FIG. 6 is a longitudinal sectional view showing the structure of a control adapter constituting a sofa frame module of a multi-seater modular reclining sofa according to one embodiment of the present invention.

[0083] As shown in FIGS. 4 to 6, the control adapter (160) may be configured to include a first adapter body (161), a second adapter body (162), an adjustment knob (163), and a friction member (164).

[0084] The first adapter body (161) may have a first coupling portion (161a) formed at the bottom to surround one side of the outer surface of the fixed shaft (150), a penetration portion (161b) formed at the top through which the operating frame (140) passes, and a first knob coupling hole (161c) formed to communicate with the penetration portion (161b) in a direction perpendicular to the fixed shaft (150) from the lower end of the front end of the side frame (110).

[0085] As illustrated in FIGS. 5 and 6, the first adapter body (161) may be formed such that the first coupling portion (161a) and the penetration portion (161b) may be separately formed at the lower and upper portions of the first adapter body (161) so that the fixed shaft (150) and the operating frame (140), which are orthogonal to each other, can both be penetrated and coupled. Accordingly, the first adapter body (161) may rotate around the fixed shaft (150) coupled through the first coupling portion (161a) when the operating frame (140) reciprocates through the penetration portion (161b).

[0086] In particular, as shown in FIGS. 5 and 6, the first coupling portion (161a) formed in the first adapter body (161) has a semi-arc shape so as to be rotatably coupled while wrapping around one side of the outer surface (in the example of FIG. 6, the upper side of the outer surface) of the fixed shaft (150) in the shape of a circular pipe, and together with the second coupling portion (162a) formed in the second adapter body (162), can be formed to wrap around the entire outer surface of the fixed shaft (150).

[0087] As illustrated in FIGS. 5 and 6, the first adapter body (161) may be formed with a first knob coupling hole (161c) formed to communicate with a penetration portion (161b) in a direction perpendicular to the fixed shaft (150) from the lower front end of the side frame (110). In addition, the first adapter body (161) may be formed with a fixing member insertion groove (161d) formed perpendicular to the first knob coupling hole (161c) along the longitudinal direction of the fixed shaft (150) coupled to the first coupling portion (161a) on one side so as to communicate with the first knob coupling hole (161c). At this time, the nut-shaped fixing member (165) inserted into the fixing member insertion groove (161d) is rotated by the fixing member insertion groove (161d) while inserted into the fixing member insertion groove (161d) and can be screwed into the male screw thread (163c) formed on the outer surface of the adjustment knob (163).

[0088] As shown in FIGS. 4 and 5, the second adapter body (162) is detachably coupled to the first adapter body (161), and when coupled to the first adapter body (161), a second coupling portion (162a) in the shape of a semi-arc is formed to surround the other side of the outer surface of the fixed shaft (150) at the top (in the example of FIG. 6, the lower side of the outer surface), and a second knob coupling hole (162b) can be formed to communicate with the first knob coupling hole (161c) in a direction perpendicular to the fixed shaft (150).

[0089] As shown in FIGS. 5 and 6, the first adapter body (161) and the second adapter body (162) can be coupled to or separated from each other along the length direction of the fixed shaft (150) that is rotatably coupled by the first coupling portion (161a) and the second coupling portion (162a).

[0090] Preferably, the first adapter body (161) and the second adapter body (162) can be coupled or separated from each other in a sliding manner by means of a guide protrusion (161e) and a guide groove (162c) formed long along the length direction of the fixed shaft (150) at the lower and upper joint portions, respectively.

[0091] In the example of FIG. 5, an example is shown in which the first adapter body (161) and the second adapter body (162) are coupled or separated from each other by a '┴'-shaped guide protrusion (161e) formed long along the longitudinal direction of the fixed shaft (150) at the lower coupling portion of the first adapter body (161) and a '┌ ┐'-shaped guide groove (162c) formed long to correspond to the guide protrusion (161e) at the upper coupling portion of the second adapter body (162) along the longitudinal direction of the fixed shaft (150), but the present invention is not limited thereto, and the shapes and formation positions of the guide protrusion (161e) and the guide groove (162c) can be changed at will by those skilled in the art.

[0092] In addition, in FIG. 5, an example is shown in which a guide protrusion (161e) is formed in the lower coupling portion of the first adapter body (161) and a guide groove (162c) is formed in the upper coupling portion of the second adapter body (162). Conversely, a guide groove (not shown) may be formed in the lower coupling portion of the first adapter body (161) and a guide protrusion (not shown) may be formed in the upper coupling portion of the second adapter body (162).

[0093] Accordingly, the first adapter body (161) and the second adapter body (162) can have the advantage of being able to be assembled and disassembled without disassembling the fixed shaft (150) fixedly connected between a pair of side frames (110) in a state where the operating frame (140) and the fixed shaft (150) are installed at the lower end of the seat frame (130).

[0094] Meanwhile, the control knob (163) is inserted into the first knob coupling hole (161c) through the second knob coupling hole (162b) from the lower end of the front end of the side frame (110) while the first adapter body (161) and the second adapter body (162) are coupled, and can reciprocate along the first knob coupling hole (161c) by rotation.

[0095] As illustrated in FIG. 5, the adjustment knob (163) may be configured with a cylindrical shaft member (163a) that is inserted into the first knob engaging hole (161c) and to which a friction member (164) is detachably coupled at one end, and a handle (163b) that is provided at the other end of the shaft member (163a) and rotates the shaft member (163a). At this time, the shaft member (163a) of the adjustment knob (163) may have a male screw thread (163c) formed on a portion of the outer circumference so that it can be screw-coupled with a nut-shaped fixing member (165) that is inserted into the fixing member insertion groove (161d).

[0096] The friction member (164) is detachably connected to one end of the adjustment knob (163), and has an inclined surface (164a) formed at the top so as to contact the lower surface of the operating frame (140), and when the adjustment knob (163) rotates and contacts the operating frame (140), the frictional force at the contact surface with the operating frame (140) can be adjusted, or when the contact is released from the operating frame (140), the operating frame (140) can be adjusted to reciprocate the penetration portion (161b).

[0097] Accordingly, the friction member (164) can easily control the frictional force at the contact surface by increasing the contact area with the operating frame (140) through the inclined surface (164a) parallel to the lower surface of the operating frame (140), and can also have the advantage of reducing the hassle of having to replace the entire controlling knob (163) since it can be easily replaced from one end of the controlling knob (163) even when wear occurs due to continuous contact with the operating frame (140).

[0098] Preferably, the friction member (164) may be made of polyoxymethylene (POM). The friction member (164) made of polyoxymethylene (POM) not only has excellent processability, fatigue strength, and dimensional stability, but also has the advantages of high strength and rigidity, low moisture absorption, and excellent sliding and wear resistance.

[0099] As described above, the control adapter (160) can adjust the degree of pressure due to friction of the friction member (164) that contacts the lower surface of the operating frame (140) by rotating the adjustment knob (163), thereby adjusting the inclination intensity when the user wants to adjust the inclination of the backrest frame (120) and the seat frame (130), or can play a role in fixing the backrest frame (120) and the seat frame (130) to a specific position (specific angle).

[0100] FIG. 7 is a drawing showing the appearance of a sofa frame module constituting a multi-seater modular reclining sofa according to one embodiment of the present invention when it is in a basic position, and FIG. 8 is a drawing showing the appearance of a sofa frame module constituting a multi-seater modular reclining sofa according to one embodiment of the present invention when it is in a folded position.

[0101] First, as illustrated in FIG. 7, when the sofa frame module (100) of the multi-person modular reclining sofa (1) according to one embodiment of the present invention is in the basic position, the backrest frame (120) is maintained in a substantially vertical state, and the seat frame (130) rotatably connected thereto is maintained in a substantially horizontal state, so that the entire structure can be maintained in an 'L' shape.

[0102] At this time, the seat frame (130) is in a state of being retracted in the direction toward the backrest frame (120), i.e., toward the rear end of the side frame (110), in order to maintain a roughly horizontal state, and accordingly, the control adapter (160) can be positioned in a portion of the gentle slope (164a) of the operating frame (140) toward the front end of the side frame (110).

[0103] On the other hand, as illustrated in FIG. 9, when the sofa frame module (100) of the multi-seater modular reclining sofa (1) according to one embodiment of the present invention is in a reclined position (inclined position), the backrest frame (120) is rotated at a certain angle toward the rear end of the side frame (110) based on the side frame (110), and the seat frame (130) rotatably connected thereto moves toward the front end of the side frame (110), so that the front end of the seat frame (130) can be slightly raised. At this time, the control adapter (160) can be positioned at a portion of the gentle slope (164a) of the operating frame (140) toward the rear end of the side frame (110).

[0104] In this way, a multi-person modular reclining sofa (1) according to one embodiment of the present invention is configured to rotatably connect a backrest frame (120) and a seat frame (130) to a pair of side frames (110), and adjust the angles of the backrest frame (120) and the seat frame (130) using a pair of control adapters (160) connected to a fixed shaft (150) provided at the front end of the side frame (110) and a pair of operating frames (140) provided at the lower end of the seat frame (130), thereby providing a multi-person modular reclining sofa (1) that is easy to assemble, disassemble, and maintain while allowing individual angle adjustment for each user with a simpler structure.

[0105] In addition, since the control adapter (160) according to one embodiment of the present invention is arranged at the lower front end of the side frame (110), the multi-seater modular reclining sofa (1) can be easily applied to a multi-seater modular reclining sofa (1) in which a plurality of sofa frame modules (100) are arranged side by side, and since the control adapter (160) installed in each sofa frame module (100) can be individually operated to individually adjust the inclination of each sofa frame module (100), the user's operating convenience can be improved.

[0106] In addition, according to one embodiment of the present invention, a multi-seater modular reclining sofa (1) is configured such that the control adapter (160) coupled to the fixed shaft (150) can be coupled and detached around the fixed shaft (150) so that the control adapter (160) can be directly attached and detached to the side of the fixed shaft (150) while the operating frame (140) and the control adapter (160) are installed at the lower end of the seat frame (130), thereby facilitating the assembly and disassembly of the control adapter (160) to the fixed shaft (150). In addition, since the fixed shaft (150) does not need to be separately disassembled from the sofa frame module (100) for replacement of the control adapter (160) during the maintenance stage, the convenience of work can be improved during the assembly, disassembly, and replacement of the multi-seater modular reclining sofa (1).

[0107] In addition, the multi-person modular reclining sofa (1) according to one embodiment of the present invention has a friction member (164) having an inclined surface (164a) formed so that the control adapter (160) contacts the lower surface of the operating frame (140) at one end of the adjustment knob (163), so that the frictional force at the contact surface with the operating frame (140) can be easily adjusted, and thus the inclination strength of the seat frame (130) and the backrest frame (120) can be more easily adjusted by the control adapter (160).

[0108] Hereinafter, with reference to FIGS. 9 and 10, the structure of the intermediate leg module (200) and the coupling structure of the sofa frame module (100) constituting the multi-person modular reclining sofa (1) according to one embodiment of the present invention will be described in detail.

[0109] FIG. 9 is a perspective view showing the structure of an intermediate leg module and the coupling structure of a sofa frame module constituting a multi-seater modular reclining sofa according to one embodiment of the present invention, and FIG. 10 is an exploded perspective view showing the structure of an intermediate leg module and the coupling structure of a sofa frame module constituting a multi-seater modular reclining sofa according to one embodiment of the present invention.

[0110] As shown in FIGS. 1 and 2, the intermediate bridge module (200) can be coupled to connect the lower portions of the side frames (110) provided on each of two adjacent sofa frame modules (100A, 100B) among a plurality of sofa frame modules (100).

[0111] As shown in FIGS. 9 and 10, the intermediate bridge module (200) may be configured to include an intermediate bridge fixing body (210), at least one intermediate bridge (220), and a pair of intermediate bridge connecting members (230).

[0112] The intermediate bridge fixing body (210) has a thin plate shape and can be closely attached to the lower surface of the first side frame (110A) provided in the first sofa frame module (100A) among a plurality of adjacent sofa frame modules (100) and the lower surface of the second side frame (110B) provided in the second sofa frame module (100B) adjacent to the first side frame (110A). In addition, the intermediate bridge (220) is provided on the lower surface of the intermediate bridge fixing body (210) and can be formed as an integral part with the intermediate bridge fixing body (210) by welding or the like, or can be assembled and connected to each other by a separate fastening means (not shown).

[0113] A pair of intermediate bridge joint members (230) can fix and connect the intermediate bridge fixing body (210) to the lower surface of the first side frame (110A) and the lower surface of the second side frame (110B) while the intermediate bridge fixing body (210) is in close contact with the lower surface of the first side frame (110A) and the lower surface of the second side frame (110B).

[0114] Preferably, as illustrated in FIG. 10, a first coupling hole (111A) and a second coupling hole (111B) are formed in the lower surface of the first side frame (110A) provided in the first sofa frame module (100A) and the lower surface of the second side frame (110B) provided in the second sofa frame module (100B) so as to penetrate in the vertical direction, respectively, and a pair of first intermediate leg fixing holes (211) and second intermediate leg fixing holes (212) may be formed in the intermediate leg fixing body (210) so as to penetrate in the vertical direction at positions corresponding to the first coupling hole (111A) and the second coupling hole (111B), respectively.

[0115] In addition, the intermediate bridge joint member (230) may be composed of a bolt member (231) that is inserted and coupled into the first coupling hole (111A) or the second coupling hole (111B) through the first intermediate bridge fixing hole (211) or the second intermediate bridge fixing hole (212), and a nut member (232) that fixes and couples the bolt member (231) while the bolt member (231) is inserted and coupled into the first coupling hole (111A) or the second coupling hole (111B).

[0116] Meanwhile, a multi-seater modular reclining sofa (1) according to one embodiment of the present invention may include a pair of armrest frame modules (400) instead of a plurality of outer leg modules (300), unlike the multi-seater modular reclining sofa (1) illustrated in FIGS. 1 and 2.

[0117] FIG. 11 is a perspective view showing a modified example of a multi-seater modular reclining sofa according to one embodiment of the present invention, and FIG. 12 is an exploded perspective view showing a modified example of a multi-seater modular reclining sofa according to one embodiment of the present invention.

[0118] As shown in FIGS. 11 and 12, the armrest frame module (400) may be provided in pairs and may be coupled to the side of a side frame (110) provided on the outer side of each of a pair of sofa frame modules (100) positioned at opposite ends among a plurality of sofa frame modules (100).

[0119] As illustrated in FIGS. 11 and 12, the armrest frame module (400) may be configured to include an armrest frame (410) equipped with an armrest cushion, etc., and an armrest leg (420) coupled to the lower end of the armrest frame (410). In FIGS. 11 and 12, the armrest leg (420) is shown as having a '┌┐' shape, but is not limited thereto and may be implemented in various shapes such as a '└┘' or a '┰┭' shape.

[0120] As illustrated in FIGS. 11 and 12, in a modified example of a multi-person modular reclining sofa (1) according to one embodiment of the present invention, a sofa frame module (100) having the same structure so that the inclination can be individually adjusted is arranged in a required number, and then an appropriate number of intermediate leg modules (200) (in the example of FIG. 1, two intermediate leg modules (200) for the first sofa frame module (100A) and the second sofa frame module (100B)) are connected between each of two adjacent sofa frame modules (100) to connect a plurality of sofa frame modules (100) to each other, and then a pair of armrest frame modules (400) having the same structure are connected to each side of a pair of sofa frame modules (100) arranged at both ends, thereby enabling easy manufacturing in a shorter period of time.

[0121] In this way, the multi-seater modular reclining sofa (1) according to one embodiment of the present invention is manufactured by using a plurality of sofa frame modules (100) having the same structure and a plurality of intermediate bridge modules (200) connecting two adjacent sofa frame modules (100) between the plurality of sofa frame modules (100) arranged adjacent to each other, thereby not only making assembly, disassembly, and maintenance easier with a simpler structure, but also reducing manufacturing costs and shortening manufacturing time.

[0122] In addition, a multi-person modular reclining sofa (1) according to one embodiment of the present invention is manufactured by arranging a plurality of sofa frame modules (100) that can be individually tilt-adjusted side by side, so that assembly, disassembly, and replacement work can be performed only on a specific sofa frame module (100) as needed, thereby reducing the time required for assembly, disassembly, and replacement work and improving the convenience of work.

[0123] In addition, a multi-seater modular reclining sofa (1) according to one embodiment of the present invention has, in addition to a plurality of sofa frame modules (100) and a plurality of intermediate leg modules (200), an outer leg module (300) or an armrest frame module (400) that can be selectively connected to a pair of sofa frames disposed at both ends, thereby providing a multi-seater modular reclining sofa (1) with various structures according to the user's preference.

[0124] Meanwhile, this specification and drawings disclose preferred embodiments of the present invention. Although specific terms are used, they are used in a general sense only to easily explain the technical content of the present invention and to aid in understanding the invention, and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical concept of the present invention are possible in addition to the embodiments disclosed herein.

[0125] <Explanation of symbols for major parts of the drawing>

[0126] 1: Multi-seater modular reclining sofa

[0127] 100: Sofa frame module 110: Side frame

[0128] 120: Backrest frame 130: Seat frame

[0129] 140: Operating frame 150: Fixed shaft

[0130] 160: Control adapter 161: First adapter body

[0131] 162: Second adapter body 163: Adjustment knob

[0132] 164: Friction member 165: Fixed member

[0133] 200: Middle bridge module 210: Middle bridge fixed body

[0134] 211: First intermediate bridge fixing hole 212: Second intermediate bridge fixing hole

[0135] 220: Middle bridge 230: Middle bridge joint member

[0136] 231: Bolt member 232: Nut member

[0137] 300: Outer bridge module 310: Outer bridge fixed body

[0138] 320: Outer bridge leg 330: Outer bridge leg connecting member

[0139] 400: Armrest frame module 410: Armrest frame

[0140] 420: Armrest legs

Claims

1. A plurality of sofa frame modules arranged adjacent to each other in the left-right direction and having at least one cushion detachably connected thereto; and It includes a plurality of intermediate bridge modules that are connected to the bottom between the plurality of sofa frame modules and connect two adjacent sofa frame modules among the plurality of sofa frame modules. The above sofa frame module, A pair of side frames spaced apart from each other to face each other in the left-right direction and formed long in the front-back direction; A backrest frame having lower side ends rotatably connected to the rear ends of each of the pair of side frames; and A seat frame is included, the two ends of which are rotatably connected to both sides of the lower end of the backrest frame, The above intermediate bridge module is, A multi-seater modular reclining sofa characterized in that the lower parts of the side frames provided on each of two adjacent sofa frame modules among the above plurality of sofa frame modules are connected to each other.

2. In paragraph 1, The above intermediate bridge module is, An intermediate leg fixing body that is in close contact with the lower surface of the first side frame provided in the first sofa frame module among the plurality of sofa frame modules and the lower surface of the second side frame provided in the second sofa frame module adjacent to the first side frame; At least one intermediate bridge provided on the lower surface of the intermediate bridge fixing body; and A multi-seater modular reclining sofa characterized in that it includes a pair of intermediate leg fixing members that fix and connect the intermediate leg fixing body to the lower surface of the first side frame and the lower surface of the second side frame while the intermediate leg fixing body is in close contact with the lower surface of the first side frame and the lower surface of the second side frame.

3. In paragraph 2, A first coupling hole and a second coupling hole are formed on the lower surface of the first side frame and the lower surface of the second side frame, respectively, so as to penetrate in the vertical direction. In the above intermediate bridge fixing body, a first intermediate bridge fixing hole and a second intermediate bridge fixing hole are formed so as to penetrate in the upper and lower directions at positions corresponding to the first coupling hole and the second coupling hole, respectively. The above intermediate bridge joint member is, A bolt member inserted and connected into the first coupling hole or the second coupling hole through the first intermediate bridge fixing hole or the second intermediate bridge fixing hole; and A multi-seater modular reclining sofa characterized in that it includes a nut member that securely connects the bolt member while the bolt member is inserted and connected into the first coupling hole or the second coupling hole.

4. In paragraph 1, The above multi-seater modular reclining sofa is, A multi-seater modular reclining sofa further comprising a plurality of outer leg modules coupled to the lower end of a side frame provided on the outer side of each of a pair of sofa frame modules arranged at opposite ends among the plurality of sofa frame modules.

5. In paragraph 1, The above multi-seater modular reclining sofa is, A multi-seater modular reclining sofa, characterized in that it further includes a pair of armrest frame modules coupled to the side of a side frame provided on the outer side of each of a pair of sofa frame modules arranged at both ends among the plurality of sofa frame modules.

6. In paragraph 1, The above sofa frame module, A pair of operating frames fixed to both sides of the lower part of the above sheet frame and having a shape inclined toward the rear end; A fixed shaft positioned at the bottom of each of the above pair of operating frames and having both ends fixedly connected to the front end of each of the above pair of side frames; and A multi-seater modular reclining sofa characterized by further comprising a pair of control adapters rotatably coupled to the fixed shaft and reciprocally coupled along each of the pair of operating frames, the control adapters adjusting the inclination strength of the seat frame and the backrest frame when adjusting the angle of the seat frame and the backrest frame, or fixing the angle of the seat frame and the backrest frame.

7. In paragraph 6, The above control adapter, A first connecting portion is formed to surround one side of the outer surface of the fixed shaft at the bottom, A first adapter body having a penetration portion formed at the top through which the operating frame penetrates, and a first knob engaging hole formed so as to communicate with the penetration portion in a direction perpendicular to the fixed shaft from the lower end of the front end of the side frame; A second adapter body that is detachably coupled to the first adapter body, has a second coupling portion formed at the top to surround the other side of the outer surface of the fixed shaft when coupled to the first adapter body, and has a second knob coupling hole formed to communicate with the first knob coupling hole in a direction orthogonal to the fixed shaft; An adjustment knob inserted into the first knob coupling hole through the second knob coupling hole from the lower end of the front end of the side frame while the first adapter body and the second adapter body are coupled, and reciprocating along the first knob coupling hole by rotation; and A multi-person modular reclining sofa characterized in that it includes a friction member that is detachably connected to one end of the adjustment knob, has an inclined surface formed at the upper end to contact the lower surface of the operating frame, and adjusts frictional force at the contact surface with the operating frame when the adjustment knob rotates and contacts the operating frame, or adjusts the operating frame to be able to reciprocate the penetration portion when the adjustment knob is released from contact with the operating frame.

8. In paragraph 7, A multi-seater modular reclining sofa, characterized in that the friction member is made of polyoxymethylene (POM) material.

Images