Double-fulcrum movable splicing sofa
By adding double fulcrum connections and hidden connectors between the sofa seat, the backrest and the side abutment, the sofa is disassembled, installed, transported and shaking problems, and improved the stability and transportation convenience of the sofa.
Patent Information
- Application Number
- CN202421168756.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-27
AI Technical Summary
Existing sofas require a lot of effort to disassemble and wash, and they are not cleaned, difficult to transport and high cost. The gaps at the joints of the spliced sofas are large, making it inconvenient to disassemble and assemble. There is only a single fulcrum connection in the vertical direction between the sofa side and the backrest. Causes shaking problems.
A double fulcrum movable splicing sofa is designed. By adding hardware connectors A and C between the sofa seat, the sofa backrest and the side abutment, the shaft and arc-shaped limit strips are used to realize the use of the storage hole, and the second connecting fulcrum is added. , and hide the connectors through the assembly for easy transportation.
It realizes the convenience and stability of the sofa during disassembly and assembly and transportation, avoids the shaking of the sofa side and backrest, and reduces transportation costs.
Smart Images

Figure CN222264838U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a sofa, in particular to a sofa with double supporting points that can be movably spliced. Background Art
[0002] At present, the sofa cushions sold on the market are all one-piece. Although this design meets everyone's requirements for sofa cushions to a certain extent, it also has some shortcomings. For example, one-piece cushions require more effort to disassemble and wash, and are easy to be dirty. In addition, one-piece sofas are difficult to transport, with high transportation costs, and the production and processing technology is complicated and the production cost is high.
[0003] There are also some spliced sofas available, but the hardware connectors are exposed, and they cannot be compact and tight after splicing. There are large gaps at the joints, and it is inconvenient to disassemble and assemble.
[0004] Chinese patent announcement number CN212260945U, announcement date January 1, 2021, discloses a spliced sofa, including several sofa bases, several sofa backrests corresponding to the sofa bases and sofa siderests on both sides, the sofa base includes a sofa seat and a sofa cushion, the upper surface of the sofa seat is provided with mounting grooves on the left and right sides and the rear side, and mounting holes are provided in the mounting grooves, and the sofa backrest and the sofa siderest are respectively fixedly connected with connectors A, connector A includes a fixing plate, a connecting plate and a positioning pin, the connecting plate is vertically fixed to the fixing plate, the bottom of the connecting plate is fixedly connected with a positioning pin, the connecting plate cooperates with the mounting groove, and the positioning pin cooperates with the mounting hole, several sofa bases are arranged side by side, and adjacent sofa seats are connected by connectors B, connector B includes a connecting strip and two positioning pins, the two positioning pins are symmetrically fixed at the bottom of the connecting strip, and the connecting strip cooperates with the two connected mounting grooves. The spliced sofa is assembled by connectors A and B, which is convenient and quick, and can be completed in one step. After assembly, the connection is compact and tight, and the gap is small.
[0005] However, the sofa side, sofa back and sofa base of the assembled sofa are connected by only two connectors A, and there is only a single fulcrum connection in the vertical direction. After a long time, the sofa side and sofa back will shake. In addition, the connector A is threaded and protrudes outward to connect to the inner side of the sofa side and sofa back, which increases the loading volume during transportation. Utility Model Content
[0006] In order to solve the above technical problems, the utility model designs a double-support point movable splicing sofa.
[0007] The utility model adopts the following technical solutions:
[0008] A double-pivot movable splicing sofa comprises a plurality of sofa seats, sofa backrests and sofa siderests corresponding to the plurality of sofa seats, a sofa cushion is arranged on the sofa seat, positioning holes are respectively arranged on the left and right sides and the rear side of the upper surface of the sofa seat, the sofa backrest and the sofa siderest are respectively fixedly connected with hardware connectors A, a plurality of sofa bases are arranged side by side, and adjacent sofa seats are connected by hardware connectors B, the hardware connectors B comprise a connecting strip and two positioning pins B, the two positioning pins B are symmetrically fixed to the bottom of the connecting strip, and are inserted and positioned through the positioning holes, the hardware connector A comprises a fixing plate, a connecting plate and positioning pins A, the bottom of the connecting plate is fixedly connected with the positioning pins A, the connecting end of the connecting plate is fixedly connected with a rotating shaft, the connecting plate is hinged to the fixing plate through the rotating shaft, a screw mounting hole is installed on the connecting plate, the sofa backrest or the sofa siderest is fixedly connected through the screw mounting hole, a storage hole is correspondingly opened on the sofa backrest and the sofa siderest at the lower part of the hardware connector A installation position, and the positioning pins A of the hardware connector A can be received into the storage hole by rotating the connecting plate during disassembly and assembly.
[0009] Preferably, an arc-shaped limit strip is fixedly connected to the fixing plate at the hinged position of the rotating shaft, and the arc of the arc-shaped limit strip is 90 degrees, so as to limit the counterclockwise rotation position of the connecting plate to be perpendicular to the fixing plate.
[0010] Preferably, hardware connectors C are respectively connected between the sofa backrest and the sofa siderest and the bottom of the sofa seat.
[0011] Preferably, the hardware connector C comprises an assembly A and an assembly B which are connected to each other, the assembly A is fixedly connected to the bottom of the sofa backrest or the sofa side, and the assembly B is fixedly connected to the corresponding position of the bottom of the sofa seat.
[0012] Preferably, the assembly A comprises a connecting plate A, a connecting hole and a pin, the pin is fixedly connected to the bottom of the connecting plate A, a connecting hole is provided on the connecting plate A, and is used to be fixedly connected to the bottom of the sofa backrest or the side of the sofa by screws, and the assembly B comprises a connecting plate B, a connecting plate C, a pin sleeve and a mounting hole, the connecting plates B and C are hinged by a hinge shaft, a pin sleeve is fixedly provided on the connecting plate B, the pin sleeve is plugged with the pin, and a mounting hole is provided on the connecting plate C, and is used to be fixedly connected to the bottom of the sofa seat by screws. When disassembling and transporting, the assembly A is hidden at the bottom of the sofa backrest or the side of the sofa, and the connecting plate B can be rotated to the bottom of the connecting plate C, so that the assembly B is hidden at the bottom of the sofa seat, does not protrude, and is convenient for transportation and loading.
[0013] Preferably, the sofa seat is hollow inside and open at the top, so as to be able to be filled with articles.
[0014] As a preference, the sofa backrest and the sofa siderest are the same, and the fixing positions of the hardware connectors A are also the same, so as to facilitate assembly and no distinction is required.
[0015] Preferably, the outer edges of the bottoms of the positioning pin A, positioning pin B and the pin shaft are chamfered.
[0016] The beneficial effects of the utility model are as follows: (1) When the utility model is disassembled and transported, the positioning pin A of the hardware connection piece A fixed on the sofa backrest or sofa siderest can be stored in the storage hole by rotating the connecting plate during disassembly and assembly, and the assembly A is hidden at the bottom of the sofa backrest or sofa siderest, and the connecting plate B can be rotated to the bottom of the connecting plate C, so that the assembly B is hidden at the bottom of the sofa seat and does not protrude, which is convenient for transportation and cabinet loading; (2) In the vertical direction, a second connection fulcrum is added between the sofa backrest, the sofa siderest and the bottom of the sofa seat to improve the stability of the connection and avoid the problem of shaking of the sofa siderest and sofa backrest. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of the utility model;
[0018] Figure 2 This is a structural schematic diagram of the utility model for removing a sofa cushion;
[0019] Figure 3 It is an exploded diagram of the utility model;
[0020] Figure 4 It is an exploded view of the sofa seat and sofa backrest in the utility model;
[0021] Figure 5 It is a structural schematic diagram of a hardware connector A in the utility model;
[0022] Figure 6 yes Figure 5 A schematic diagram of a structure after the connecting piece of the hardware connecting piece A is rotated 90 degrees;
[0023] Figure 7 It is a structural schematic diagram of a hardware connector B in the utility model;
[0024] Figure 8 It is a structural schematic diagram of the assembly A in the utility model;
[0025] Fig. 9 It is a structural schematic diagram of the assembly B in the utility model;
[0026] Fig.10 It is a structural schematic diagram of a hardware connector C in the utility model;
[0027] In the figure: 1. sofa seat, 2. sofa back, 3. sofa side, 4. sofa cushion, 5. hardware connector A, 6. hardware connector B, 7. hardware connector C, 8. storage hole, 9. assembly A, 10. assembly B, 11. fixing plate, 12. connecting plate, 13. locating pin A, 14. rotating shaft, 15. arc limit strip, 16. screw mounting hole, 17. connecting strip, 18. locating pin B, 19. connecting plate A, 20. connecting hole, 21. pin shaft, 22. connecting plate B, 23. connecting plate C, 24. pin shaft sleeve, 25. mounting hole. DETAILED DESCRIPTION
[0028] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings:
[0029] Example: Figure 1-Figure 4 As shown, a double-support movable splicing sofa comprises a plurality of sofa seats 1, sofa backrests 2 and sofa siderests 3 corresponding to the plurality of sofa seats, sofa cushions 4 are arranged on the sofa seats, positioning holes are arranged on the left and right sides and the rear of the upper surface of the sofa seats, hardware connectors A5 are fixedly connected to the sofa backrests and the sofa siderests, a plurality of sofa bases are arranged side by side, and adjacent sofa seats are connected by hardware connectors B6, as shown in FIG. Figure 7 As shown, the hardware connector B includes a connecting strip 17 and two positioning pins B18. The two positioning pins B are symmetrically fixed to the bottom of the connecting strip and are inserted and positioned through positioning holes. Figure 5-Figure 6 As shown, the hardware connector A includes a fixing plate 11, a connecting plate 12 and a positioning pin A13, the bottom of the connecting plate is fixedly connected to the positioning pin A, the connecting end of the connecting plate is fixedly connected to the rotating shaft 14, the connecting plate is hinged to the fixing plate through the rotating shaft, a screw mounting hole 16 is installed on the connecting plate, and the sofa backrest or sofa side is fixedly connected through the screw mounting hole, and a storage hole 8 is correspondingly opened at the lower part of the sofa backrest and the sofa siderest at the installation position of the hardware connector A, and the positioning pin A of the hardware connector A can be received into the storage hole by rotating the connecting plate during disassembly and assembly.
[0030] An arc-shaped limit strip 15 is fixedly connected to the fixed plate at a position corresponding to the hinge of the rotating shaft, and the arc of the arc-shaped limit strip is 90 degrees.
[0031] The sofa backrest and the sofa siderest are respectively connected to the bottom of the sofa seat with hardware connectors C7.
[0032] like Figure 8-Figure 10 As shown, the hardware connector C includes an assembly A9 and an assembly B10 which are connected to each other. The assembly A is fixedly connected to the bottom of the sofa backrest or the side of the sofa, and the assembly B is fixedly connected to the corresponding position of the bottom of the sofa seat.
[0033] Assembly A includes a connecting plate A19, a connecting hole 20 and a pin 21. The pin is fixedly connected to the bottom of the connecting plate A. A connecting hole is provided on the connecting plate A for fixing the sofa backrest or the bottom of the sofa siderest with screws. Assembly B includes a connecting plate B22, a connecting plate C23, a pin sleeve 24 and a mounting hole 25. The connecting plates B and C are hinged by a hinge shaft. A pin sleeve is fixedly provided on the connecting plate B. The pin sleeve is plugged in with the pin. A mounting hole is provided on the connecting plate C for fixing the sofa seat bottom with screws. The sofa seat is hollow inside and open at the top. The sofa backrest and the sofa siderest are the same, and the fixing position of the hardware connector A is also the same. The outer edges of the bottoms of the locating pins A, locating pins B and the pins are chamfered.
[0034] During disassembly and assembly for transportation, the positioning pin A of the hardware connector A fixed on the sofa backrest or the sofa siderest can be received into the storage hole by rotating the connecting piece during disassembly and assembly, and the assembly A is hidden at the bottom of the sofa backrest or the sofa siderest, and the connecting plate B can be rotated to the bottom of the connecting plate C, so that the assembly B is hidden at the bottom of the sofa seat and does not protrude, which is convenient for transportation and cabinet loading; in the vertical direction, a second connecting fulcrum is added between the sofa backrest, the sofa siderest and the bottom of the sofa seat, so as to improve the stability of the connection and avoid the problem of shaking of the sofa siderest and the sofa backrest.
[0035] The above-described embodiment is only a preferred solution of the present invention and does not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.
Claims
1. A double-pivot movable splicing sofa, comprising a plurality of sofa seats, a sofa backrest and a sofa siderest corresponding to the plurality of sofa seats, a sofa cushion is placed on the sofa seat, positioning holes are respectively arranged on the left and right sides and the rear side of the upper surface of the sofa seat, a hardware connector A is respectively fixedly connected to the sofa backrest and the sofa siderest, a plurality of sofa bases are arranged side by side, and adjacent sofa seats are connected by a hardware connector B, the hardware connector B comprises a connecting strip and two positioning pins B, the two positioning pins B are symmetrically fixed to the bottom of the connecting strip, and are inserted and positioned through the positioning holes, wherein the characteristic is that: The hardware connector A comprises a fixing plate, a connecting plate and a positioning pin A. The bottom of the connecting plate is fixedly connected with the positioning pin A. The connecting end of the connecting plate is fixedly connected with a rotating shaft. The connecting plate is hinged to the fixing plate through the rotating shaft. A screw mounting hole is installed on the connecting plate. The sofa backrest or sofa side is fixedly connected through the screw mounting hole. The sofa backrest and the sofa side are correspondingly provided with a storage hole at the lower part of the installation position of the hardware connector A. The positioning pin A of the hardware connector A can be received into the storage hole by rotating the connecting plate during disassembly and assembly.
2. The double-pivot movable splicing sofa according to claim 1 is characterized in that: An arc-shaped limiting strip is fixedly connected to the fixing plate at a position corresponding to the hinged position of the rotating shaft, and the arc of the arc-shaped limiting strip is 90 degrees.
3. The double-pivot movable splicing sofa according to claim 1 is characterized in that: The sofa backrest, the sofa siderests and the bottom of the sofa seat are respectively connected with hardware connectors C.
4. The double-pivot movable splicing sofa according to claim 3 is characterized in that: The hardware connector C comprises an assembly A and an assembly B which are connected to each other. The assembly A is fixedly connected to the bottom of a sofa backrest or a sofa side, and the assembly B is fixedly connected to a corresponding position at the bottom of a sofa seat.
5. The double-support movable splicing sofa according to claim 4 is characterized in that: The assembly A includes a connecting plate A, a connecting hole and a pin, the pin is fixedly connected to the bottom of the connecting plate A, and a connecting hole is opened on the connecting plate A for fixing the connection to the sofa backrest or the bottom of the sofa side by screws. The assembly B includes a connecting plate B, a connecting plate C, a pin sleeve and a mounting hole, the connecting plates B and C are hinged by a hinge shaft, the connecting plate B is fixedly provided with a pin sleeve, the pin sleeve is plugged with the pin, and the connecting plate C is opened with a mounting hole for fixing the connection to the bottom of the sofa seat by screws.
6. The double-pivot movable splicing sofa according to claim 1 is characterized in that: The sofa seat is hollow inside and open on the top.
7. The double-pivot movable splicing sofa according to claim 1 is characterized in that: The sofa backrest and the sofa siderest are the same, and the fixing positions of the hardware connectors A are also the same.
8. The double-support movable splicing sofa according to claim 5 is characterized in that: The outer edges of the bottoms of the positioning pin A, positioning pin B and the pin shaft are chamfered.