CN106617882A - Variable modular sofa - Google Patents

Abstract

The present invention provides a changeable modular sofa, which relates to the technical field of furniture. The changeable modular sofa provided by the present invention includes: a support platform, a fence is arranged on the edge of the support platform, and the support platform includes at least one horizontally arranged support plate, the support plate The lower end surface of the support plate is detachably connected with feet, and the upper end surface of the support plate is provided with an adjustment module. When the number of support plates is greater than or equal to two, the sides of adjacent support plates are detachably connected. Applying the changeable modular sofa provided by the invention to daily life solves the technical problem in the prior art that the use form of the one-piece sofa is single.

Description

Changeable Modular Sofa

technical field

The invention relates to the technical field of furniture, in particular to a changeable modular sofa.

Background technique

Sofa is a kind of traditional furniture with a long history, mainly including types such as leather sofa, leather cloth sofa and wooden sofa. In people's life, sofa has become necessary furniture for many families.

At present, the sofas sold on the market are generally one-piece sofas, which cannot be disassembled, and their shape and size have been fixed when they leave the factory. , when the number of people who need to sit on the one-piece sofa increases, the one-piece sofa cannot meet the needs of the increased number of people, and the use of the one-piece sofa is single; in addition, when there is no need to use the one-piece sofa, due to the non-removable , The space occupied by the one-piece sofa affects the placement of other items.

Contents of the invention

The object of the present invention is to provide a changeable modular sofa to solve the technical problem in the prior art that the use of the sofa is single.

The changeable modular sofa provided by the present invention includes: a support platform, the edge of the support platform is provided with a fence, and the support platform includes at least one horizontally arranged support plate, and the lower end surface of the support plate is detachably connected with a foot, so The upper end surface of the support plate is provided with an adjustment module;

When the number of the support plates is greater than or equal to two, the sides of the adjacent support plates can be detachably connected.

Further, the adjacent support plates are connected by connecting plates;

The lower end surface of the support plate is provided with a plurality of threaded holes, and the threaded holes are uniformly arranged along each edge of the support plate, and the two opposite ends of the connecting plate are provided with through holes, and the bolts pass through the The through hole is matched with the threaded hole.

Further, the fence includes a plurality of fence boards, the upper end surface of the support board is provided with an installation groove for installing the fence board, and the installation groove is provided along the edge of the support board.

Further, the support foot includes a telescopic rod, and the telescopic rod includes: a first hollow rod and a second hollow rod, the first hollow rod is located in the second hollow rod, and one end of the first hollow rod extends out of the second hollow rod and can slide along the second hollow rod, the first hollow rod and the second hollow rod are connected by a safety lock, and the safety lock is fixed to the second hollow rod The safety lock is detachably connected to the first hollow rod, and the end of the second hollow rod far away from the first hollow rod is detachably connected to the support plate.

Further, the adjustment module includes: a first support frame, a second support frame and a protective sleeve, the second support frame is sheathed outside the first support frame, and one end of the first support frame protrudes The second support frame can move relative to the second support frame along the length direction of the second support frame, and the protective cover is detachably sleeved on the first support frame and the second support frame. outside of the box.

Further, an elastic band is provided on the protective cover, and the length direction of the elastic band is the same as the length direction of the first support frame.

Preferably, an anti-movement groove is provided on the upper end surface of the support plate to prevent the adjustment module from moving.

Preferably, the upper end surface of the support plate is detachably provided with an anti-movement frame to prevent the movement of the adjustment module, the anti-movement frame includes a horizontal plate and a vertical plate, and the horizontal plate and the vertical plate are cross-fitted to form An anti-movement groove, the lower end of the adjustment module is located in the anti-movement groove.

Further, the horizontal plate is detachably connected to the vertical plate, and the horizontal plate is provided with a plurality of first grooves, and the depth direction of the first grooves is the same as the width direction of the horizontal plate. The first grooves are evenly distributed along the length direction of the horizontal plate;

The longitudinal plate is provided with a second groove, the depth direction of the second groove is the same as the width direction of the longitudinal plate, and a plurality of the second grooves are evenly distributed along the length direction of the longitudinal plate;

The vertical plate is clamped in the first groove, or the horizontal plate is clamped in the second groove.

Further, a drawer is also included, and a slide rail for installing the drawer is provided on the lower end surface of the support plate.

In the variable modular sofa provided by the present invention, the adjustment module is located on the upper end surface of the support plate to form the cushion of the variable modular sofa, and the fence is arranged along the edge of the support platform, and the adjustment modules are all located in the area surrounded by the fence to prevent the adjustment module from being supported by the sofa. When the table falls, the legs keep a certain distance between the support plate and the ground, increasing the comfort of the user when sitting on the variable module sofa; when the number of people who need to sit on the variable module sofa increases, add support plates and adjust The number of modules allows more support plates to be connected together, and the increased adjustment modules are placed on the support plates to form the cushion of the variable modular sofa, thereby increasing the seating area of the variable modular sofa to meet the needs of an increase in the number of people ; At the same time, the relative position between the various support plates can be determined according to the shape of the space where the variable module sofa is located. It can play its role in spaces of different shapes and meet the requirements of different forms of use; when there is no need to use a large seating area, the redundant support plates and adjustment modules can be put away to reduce the space occupied by the variable module sofa In addition, when carrying the changeable modular sofa, multiple support plates can be disassembled, and the legs can be removed from the support plates, so as to facilitate the transport of the detachable modular sofa.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

Fig. 1 is a schematic structural diagram of a variable modular sofa provided by an embodiment of the present invention;

Fig. 2 is a schematic diagram of the connection of the support plate in the variable modular sofa provided by the embodiment of the present invention;

Fig. 3 is a structural schematic diagram of the adjustment module in the variable module sofa provided by the embodiment of the present invention;

Fig. 4 is a structural schematic diagram of a support plate in a variable modular sofa provided by an embodiment of the present invention;

Fig. 5 is a schematic structural diagram of a horizontal panel in a variable modular sofa provided by an embodiment of the present invention.

Icons: 1-support plate; 11-foot; 12-fence; 13-connection plate; 14-anti-movement frame; 141-horizontal plate; 1411-first groove; The first support frame; 211—sliding protrusion; 22—the second support frame.

detailed description

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Fig. 1 is a schematic structural view of the variable modular sofa provided by the embodiment of the present invention. As shown in Fig. 1, the variable modular sofa provided by the embodiment of the present invention includes: a support platform, a fence 12 is arranged on the edge of the support platform, and the support platform includes At least one support plate 1 arranged horizontally, the lower end surface of the support plate 1 is detachably connected with a foot 11, and the upper end surface of the support plate 1 is provided with an adjustment module 2. When the number of support plates 1 is greater than or equal to two, adjacent support plates The sides of the board 1 are detachably connected.

In the variable modular sofa provided by the embodiment of the present invention, the adjustment module 2 is located on the upper end surface of the support plate 1 to form the cushion of the variable modular sofa, the fence 12 is arranged along the edge of the support platform, and the adjustment modules 2 are located in the area surrounded by the fence 12 Arranged side by side, the fence 12 prevents the adjustment module 2 from falling from the support plate 1; the feet 11 keep a certain distance between the support plate 1 and the ground, increasing the comfort when sitting on the variable module sofa, the feet 11 can be It is connected with the support plate 1 by screw connection or card connection.

When the number of people who need to sit on the variable module sofa increases, increase the number of support plates 1 and adjustment modules 2, so that more support plates 1 are connected together, and the increased adjustment modules 2 are placed on the support plate 1 to form a variable The seat cushion of the modular sofa increases the seating area of the variable modular sofa to meet the needs of an increase in the number of people; at the same time, the relative position of each support plate 1 can be determined according to the shape of the space where the variable modular sofa is located, for example: from Looking down from top to bottom, a plurality of support plates 1 can be formed into a rectangle or an L shape, etc., so that the variable modular sofa can play its role in spaces of different shapes and meet the requirements of different usage forms; When the seating area is occupied, the redundant support plate 1 and the adjustment module 2 can be put away to reduce the space occupied by the variable modular sofa; in addition, when the variable modular sofa is transported, multiple support plates 1 can be disassembled, and the feet 11 It is removed from the support plate 1 to facilitate the handling of the sofa with the detachable adjustment module 2.

Specifically, the adjacent supporting plates 1 are connected by connecting plates 13, and the lower end surface of the supporting plates 1 is provided with a plurality of threaded holes, and the threaded holes are uniformly arranged along each edge of the supporting plates 1, and the opposite two ends of the connecting plates 13 Both are provided with through holes, and the bolts pass through the through holes to cooperate with the threaded holes. The support plate 1 is a square structure, and the plurality of threaded holes on the lower end surface of the support plate 1 are evenly separated along the edge of the support plate 1, and the distances from the plurality of threaded holes to the corresponding edges are equal; as shown in Figure 2, the connecting plate 13 is Square structure, two opposite ends of the connecting plate 13 are provided with through holes, and the distance between the axes of the two through holes is twice the distance from the threaded hole to the corresponding edge. When connecting the support plates 1, the side surfaces of two adjacent support plates 1 are in contact, and the threaded holes are opposed one by one. The axis of the threaded hole on the plate 1 coincides, the axis of the other through hole coincides with the axis of the threaded hole on the other support plate 1, and the connecting plate 13 is connected to the two support plates 1 with bolts to realize the adjacent support plate 1 connection. The connecting plate 13 is used to realize the connection of the supporting plate 1 through threaded connection, which facilitates the connection and disassembly of the supporting plate 1 .

Further, the fence 12 includes a plurality of fence boards, the upper end surface of the support board 1 is provided with an installation groove for installing the fence board, and the installation groove is provided along the edge of the support board 1 . The fence board can be square, rectangular or semicircular, etc. In this embodiment, the fence board is rectangular, and the fence board is connected to the support plate 1 by clamping. Specifically, the support plate 1 is provided with a cross section that is square The installation groove is arranged along the edge of the support plate 1, and rubber pads are arranged on the two opposite inner walls of the installation groove, and the distance between the opposite planes of the two rubber pads is slightly smaller than the thickness of the fence board. When installing the fence 12, the fence board is clamped into the installation groove, the distance between the opposite planes of the two rubber pads is slightly smaller than the thickness of the fence board, and the two rubber pads are elastically deformed, and the two rubber pads are aligned. The fence board generates extrusion force to prevent the fence board from moving in the installation groove; the installation groove is arranged along the edge of the support board 1, and any edge of the support board 1 can be installed with a fence board. When installing the variable modular sofa, The fence boards are installed on the edge of the combined supporting platform, and the side edges connected with other sides of the support board 1 do not need to be installed with fence boards. The adjustment module 2 is located in the area surrounded by the fence boards to prevent the adjustment module 2 from falling from the support plate 1 . Make the fence 12 include a plurality of fence boards, and the user can select a suitable number of fence boards to connect with the support board 1 according to the number of the support boards 1 to meet more needs; make the fence board and the support board 1 connect through the installation groove, When the fence board is not needed, it is convenient to disassemble the fence board from the supporting board 1 and store it.

The support feet 11 keep a certain distance between the support plate 1 and the ground. In this embodiment, the support feet 11 include telescopic rods, and the telescopic rods include: a first hollow rod and a second hollow rod, and the first hollow rod is located in the second hollow rod , one end of the first hollow rod protrudes from the second hollow rod and can slide along the second hollow rod, the first hollow rod and the second hollow rod are connected by a safety lock, the safety lock is fixedly connected with the second hollow rod, and the safety lock The buckle is detachably connected to the first hollow rod, and the end of the second hollow rod far away from the first hollow rod is detachably connected to the support plate 1. The above-mentioned safety lock can be a bolt, screw or other structure, and the second hollow rod can be threaded It is connected with the support plate 1 in a way of connection or clamping. When it is necessary to adjust the distance from the lower end surface of the support plate 1 to the ground, it can be realized by adjusting the length of the leg 11, specifically, rotating the safety lock so that relative sliding can occur between the first hollow rod and the second hollow rod, and then Adjust the length of the first hollow rod protruding from the second hollow rod. When the overall length of the leg 11 meets the requirements, reversely rotate the safety lock to lock the first hollow rod and the second hollow rod to prevent the variable module When the sofa is in use, the first hollow rod slides inside the second hollow rod, thereby changing the distance from the lower end surface of the support plate 1 to the ground. Make the supporting foot 11 a telescopic rod, and connect the first hollow rod and the second hollow rod in the telescopic rod through a safety lock, which increases the scope of use of the supporting foot 11 and facilitates the adjustment of the length of the supporting foot 11.

Further, the adjustment module 2 includes: a first support frame 21, a second support frame 22 and a protective sleeve, the second support frame 22 is sheathed outside the first support frame 21, and one end of the first support frame 21 protrudes from the second The support frame 22 can move relative to the second support frame 22 along the length direction of the second support frame 22 , and the protective cover is sheathed on the outside of the first support frame 21 and the second support frame 22 . As shown in Figure 3, the first support frame 21 and the second support frame 22 are both open boxes, the openings of the first support frame 21 and the opening of the second support frame 22 are square, and the end surface opposite to the opening is the bottom surface, The outer side length of the opening end face of the first supporting frame 21 is equal to the inner side length of the opening end face of the second supporting frame 22, and the second supporting frame 22 is sleeved with the outside of the first supporting frame 21, and the bottom surface of the first supporting frame 21 is located at the second supporting frame 22. The outside of the two supporting frames 22; in the two groups of opposite outer surfaces of the first supporting frame 21, a sliding protrusion 211 is arranged on one of the outer surfaces, and the length direction of the sliding protrusion 211 is perpendicular to the bottom surface of the first supporting frame 21 , the other set of opposite outer surfaces are provided with a plurality of first threaded through holes, and the plurality of first threaded through holes are evenly distributed along the length direction of the first support frame 21, and the two opposite inner sides of the second support frame 22 The side is provided with a sliding groove that cooperates with the sliding protrusion 211, and the other two opposite inner surfaces are provided with second threaded through holes, and the distance between adjacent second threaded through holes is equal to that of adjacent first threaded through holes. The distance between the holes, the diameter of the second threaded through hole is equal to the diameter of the first threaded through hole, and bolts are arranged in the first threaded through hole and the second threaded through hole to prevent the first support frame 21 from moving along the second support frame 22 slide in the length direction. The protective cover is detachably set on the outside of the first support frame 21 and the second support frame 22. The protective cover is made of elastic material. The protective cover has a double-layer structure and is filled with elastic materials, such as sponge or space cotton, etc. etc. to increase the comfort of adjusting the module 2. The user can adjust the length of the first support frame 21 protruding from the second support frame 22 according to his own needs, thereby changing the overall length of the adjustment module 2. When it is necessary to change the overall length of the adjustment module 2, remove the protective cover and bolts, adjust The first support frame 21 stretches out the length of the second support frame 22, so that the axis of the first threaded through hole coincides with the axis of the second threaded through hole, and the bolt is reconnected to the coincident first threaded through hole and the second threaded through hole. In the hole, the protective sleeve is re-sleeved on the outside of the first support frame 21 and the second support frame 22 . The first support frame 21 in the adjustment module 2 can slide along the length direction of the second support frame 22, so that the height of the adjustment module 2 can be adjusted, so that the adjustment module 2 can meet more requirements for use; in addition, the protective cover is made of elastic material Made, the protective cover can be properly extended and contracted, which can meet the needs of the adjustment modules 2 of different heights.

In order to make the protective cover meet the needs of a larger length variation range of the adjustment module 2 , preferably, the protective cover is provided with an elastic band, and the length direction of the elastic band is the same as that of the first support frame 21 . Specifically, the protective cover is a cuboid structure, and the protective cover includes four rectangular side faces and two opposite end faces, the length direction of the four side faces is set along the vertical direction, and the two end faces are respectively the first end face and the second end face, wherein The first end face is fixedly connected to the four sides by sewing, one side of the second end face is fixedly connected to one side by sewing, and the other three sides of the second end face are connected to the other three sides by magic. Attached detachable connection, the connection of two adjacent sides is provided with an elastic band, the elastic band is set along the length direction of the side, the length of the side is equal to the highest height of the adjustment module 2, and the function of the elastic band shrinks the side to meet the height of the adjustment module 2 Required when less than the length of the side. When the height of the adjustment module 2 needs to be adjusted, the protective cover is removed from the first support frame 21 and the second support frame 22, and after the height of the adjustment module 2 is adjusted, the protective cover is set on the first support frame 21 and the second support frame 22. On the outside of the second support frame 22 , the elastic band utilizes its own elasticity to make the protective cover meet the needs of adjusting the various heights of the module 2 .

In order to prevent the adjustment module 2 from moving on the support plate 1 , preferably, an anti-movement groove is provided on the upper surface of the support plate 1 to prevent the adjustment module 2 from moving. The shape of the anti-movement groove is the same as that of the end surface of the adjustment module 2 , and the anti-movement groove is arranged side by side along the length direction and the width direction of the support plate 1 . Place the adjustment module 2 in the anti-movement groove. Each anti-movement groove can prevent the adjustment module 2 placed inside it from moving. The anti-movement grooves on the support plate 1 work together to prevent the adjustment module on the support plate 1 from moving. 2. Move to improve the stability of the variable modular sofa when in use.

As another embodiment, the upper end surface of the support plate 1 is detachably provided with an anti-movement frame 14 that prevents the adjustment module 2 from moving. The anti-movement frame 14 includes a horizontal plate 141 and a vertical plate 142. The horizontal plate 141 cooperates with the vertical plate 142. An anti-movement groove is formed, and the lower end of the adjustment module 2 is located in the anti-movement groove. Specifically, as shown in Figure 4, the width direction of the transverse plate 141 and the width direction of the longitudinal plate 142 are all perpendicular to the upper end surface of the support plate 1, the transverse plate 141 is arranged in parallel along the width direction of the support plate 1, and the longitudinal direction of the support plate 1 is vertical. The length direction of the horizontal plate 141 and the vertical plate 142 intersect to form an anti-movement groove; the anti-movement frame 14 can be connected with the support plate 1 by clamping, specifically, the upper end surface of the support plate 1 is provided with a square groove, The anti-movement frame 14 is located in the square groove, and the inner surface of the square groove is provided with a clamping groove that cooperates with the horizontal plate 141 and the vertical plate 142, and the horizontal plate 141 and the vertical plate 142 are clamped in the corresponding clamping groove to realize anti The detachable connection between the rack 14 and the support plate 1. The anti-movement frame 14 is detachably connected with the support plate 1, so that the anti-movement frame 14 can be easily removed for storage.

Further, the horizontal plate 141 is detachably connected to the vertical plate 142, the horizontal plate 141 is provided with a plurality of first grooves 1411, the depth direction of the first grooves 1411 is the same as the width direction of the horizontal plate 141, and the plurality of first grooves The grooves 1411 are evenly distributed along the length direction of the transverse plate 141, and the longitudinal plate 142 is provided with a plurality of second grooves, the depth direction of the second grooves is the same as the width direction of the transverse plate 141, and the plurality of second grooves are arranged along the lengthwise direction of the longitudinal plate 141. 142 are uniformly distributed along the length direction, and the vertical plate 142 is clamped in the first groove 1411, or the horizontal plate 141 is clamped in the second groove. Specifically, the horizontal plate 141 is arranged in parallel along the width direction of the support plate 1, and the vertical plate 142 is arranged in parallel along the length direction of the support plate 1. As shown in FIG. 5, the horizontal plate 141 is provided with a plurality of first grooves 1411. The first grooves 1411 are evenly distributed along the length direction of the horizontal plate 141, the vertical plate 142 is provided with multiple second grooves, the plurality of second grooves are evenly distributed along the length direction of the vertical plate 142, and the vertical plate 142 is clamped on the In the first groove 1411, or, the horizontal plate 141 is clamped in the second groove to realize the detachable connection between the horizontal plate 141 and the vertical plate 142. When the horizontal plate 141 is clamped in the second groove, the Change the position of the vertical plate 142 on the horizontal plate 141 to change the distance between adjacent vertical plates 142, thereby changing the size of the anti-movement groove; when the vertical plate 142 is engaged in the first groove 1411, it can pass Change the position of the horizontal plate 141 on the vertical plate 142 to change the distance between adjacent horizontal plates 141, thereby changing the size of the anti-movement groove; When determining the size of the groove, the horizontal plate 141 and the vertical plate 142 can choose a suitable clamping groove to cooperate with. The horizontal plate 141 is detachably connected to the vertical plate 142, so that the size of the anti-movement groove can be changed to meet the needs of placing adjustment modules 2 of different sizes.

Further, the variable modular sofa provided by the embodiment of the present invention further includes a drawer, and the lower end surface of the support plate 1 is provided with a slide rail for installing the drawer. Specifically, the length direction of the slide rail is the same as the width direction of the support plate 1, and the slide rail is fully set at the lower end of each support plate 1, and the user can select an appropriate number of drawers to be installed on the slide rail according to needs, for example, When there are many articles placed in the drawer, the needs can be satisfied by increasing the number of drawers; when there are few articles to be placed in the drawer, the number of drawers can be reduced to reduce the load on the support plate 1. When there are many splicing support plates 1, drawers are installed on the lower end surface of the outermost row of support plates 1 in the front direction, and slide rails for installing drawers are arranged on the lower end surface of the support plate 1, and drawers can be installed as required. The commonly used items in daily life are placed in the drawer, which is convenient to take out when in use, and the function of the changeable modular sofa is added.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (10)

1. A variable modular sofa, characterized in that it comprises: a support platform, the edge of the support platform is provided with a fence, the support platform includes at least one horizontally arranged support plate, the lower end surface of the support plate is detachable Connected with feet, the upper end surface of the support plate is provided with an adjustment module; When the number of the support plates is greater than or equal to two, the sides of the adjacent support plates can be detachably connected. 2. The changeable modular sofa according to claim 1, wherein the adjacent support plates are connected by connecting plates; The lower end surface of the support plate is provided with a plurality of threaded holes, and the threaded holes are uniformly arranged along each edge of the support plate, and the two opposite ends of the connecting plate are provided with through holes, and the bolts pass through the The through hole is matched with the threaded hole. 3. The changeable modular sofa according to claim 1, wherein the fence includes a plurality of fence panels, the upper end surface of the support plate is provided with a mounting groove for installing the fence panels, and the installation Grooves are provided along the edge of the support plate. 4. The variable modular sofa according to claim 1, characterized in that, the legs include telescopic rods, and the telescopic rods include: a first hollow rod and a second hollow rod, and the first hollow rod is located on the In the second hollow rod, one end of the first hollow rod protrudes from the second hollow rod and can slide along the second hollow rod, and the first hollow rod and the second hollow rod pass through the safety lock connected, the safety lock is fixedly connected to the second hollow rod, the safety lock is detachably connected to the first hollow rod, and the end of the second hollow rod far away from the first hollow rod is connected to The support plate is detachably connected. 5. The variable modular sofa according to claim 1, wherein the adjustment module comprises: a first support frame, a second support frame and a protective cover, and the second support frame is sheathed on the first Outside the support frame, one end of the first support frame protrudes from the second support frame and can move relative to the second support frame along the length direction of the second support frame, and the protective cover is detachable Sleeved on the outside of the first support frame and the second support frame. 6 . The variable modular sofa according to claim 5 , wherein an elastic band is provided on the protective cover, and the length direction of the elastic band is the same as that of the first support frame. 7 . 7. The variable modular sofa according to claim 1, characterized in that, the upper end surface of the support plate is provided with an anti-movement groove that prevents the adjustment module from moving. 8. The variable modular sofa according to claim 1, wherein the upper end surface of the support plate is detachably provided with an anti-movement frame to prevent the movement of the adjustment module, and the anti-movement frame includes a horizontal plate and a The vertical plate, the horizontal plate cooperates with the vertical plate to form an anti-movement groove, and the lower end of the adjustment module is located in the anti-movement groove. 9. The variable modular sofa according to claim 8, characterized in that, the horizontal plate is detachably connected to the vertical plate, and the horizontal plate is provided with a plurality of first grooves, and the first concave The depth direction of the groove is the same as the width direction of the horizontal plate, and a plurality of the first grooves are evenly distributed along the length direction of the horizontal plate; The longitudinal plate is provided with a second groove, the depth direction of the second groove is the same as the width direction of the longitudinal plate, and a plurality of the second grooves are evenly distributed along the length direction of the longitudinal plate; The vertical plate is clamped in the first groove, or the horizontal plate is clamped in the second groove. 10. The variable modular sofa according to claim 1, further comprising a drawer, and a slide rail for installing the drawer is provided on the lower end surface of the support plate.