Anti-collapse multi-position combined sofa

Abstract

The utility model discloses an anti-collapse multi-position combined sofa, which comprises side handrails, a single-position framework and an extension framework, a backrest is fixedly arranged on one side of the top surface of the single-position framework, a storage cavity is formed in the single-position framework, the extension framework is clamped and embedded in the storage cavity, mounting grooves are formed in the side walls of the two sides of the storage cavity, and the extension framework is clamped and embedded in the mounting grooves. A mounting groove is formed in the side handrail, a reset spring is mounted in the mounting groove, a shifting plate is connected to the movable end of the reset spring, a plurality of combination columns are uniformly and fixedly mounted on the top surface of the shifting plate, and inserting grooves are formed in the side walls of the single-position framework and the side handrail. The combined sofa has the beneficial effects that the combined sofa is provided with the side handrails, the single-position frameworks and the extension frameworks, so that a user can conveniently combine and install the adjacent single-position frameworks and the side handrails, the integrality after the combined installation is better, the installation is more reliable, the use effect of the sofa is better, and the practicability is stronger.

Description

Technical Field

[0001] The utility model relates to the technical field of sofas, and more specifically, to a multi-seat combined sofa that prevents collapse. Background Technique

[0002] A sofa is a multi-seat chair equipped with cushions, a backrest chair equipped with springs or thick foam plastics, etc., with armrests on both sides. It is a kind of soft furniture. A multi-seat combined sofa is a sofa that can connect and combine multiple single-seat sofas together, and the length of the sofa can be flexibly determined according to the actual use situation, with a wider applicability.

[0003] The prior art discloses a multi-functional combined sofa with the application number: CN202221887587.9. When the above utility model is combined and installed, it is impossible to effectively connect and fix adjacent single-seat structures, resulting in poor integrity during use. During use, problems such as dislocation and offset are likely to occur between adjacent single-seat structures, thus affecting the overall use effect of the sofa. The side armrests and armrests are also installed in a simple way of hanging with hooks, with poor installation reliability and general practicability. In view of the shortcomings of this utility model, those skilled in the art have proposed a multi-seat combined sofa that prevents collapse. Summary of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides a multi-seat combined sofa that prevents collapse, which has the advantages of facilitating users to combine and install adjacent single-seat structures and side armrests, better integrity after combined installation, more reliable installation, better use effect of the sofa, and stronger practicability, thereby solving the problems in the above background technique.

[0006] (II) Technical Solutions

[0007] To achieve the above advantages of facilitating users to combine and install adjacent single-seat structures and side armrests, better integrity after combined installation, more reliable installation, better use effect of the sofa, and stronger practicability, the specific technical solutions adopted by the utility model are as follows: A multi-seat combined sofa that prevents collapse, including side armrests, single-seat structures, and extension structures. One side of the top surface of the single-seat structure is fixedly installed with a backrest, and a storage cavity is opened inside the single-seat structure. An extension structure is snap-fitted inside the storage cavity. Installation grooves are opened on both side walls of the storage cavity, and a return spring is installed in the installation groove. The movable end of the return spring is connected to a toggle plate, and a number of combined columns are evenly fixedly installed on the top surface of the toggle plate. Insertion grooves are opened on the side walls of the single-seat structure and the side armrests, and a number of guide holes are communicated between the insertion grooves and the installation grooves. Combined plates are fixedly installed on the side walls of the single-seat structure and the side armrests, and a number of fixing holes are evenly opened on the combined plates.

[0008] Furthermore, a mounting plate is fixedly installed in the storage cavity, and a nut is fixedly installed in the center of the mounting plate, and a threaded rod shaft is cooperated with and installed in the nut, an adjustment plate is embedded in the storage cavity, and a bearing seat is fixedly installed in the center of the bottom surface of the adjustment plate, the top end of the threaded rod shaft is installed in the bearing seat, a movable groove is opened on the top surface of the single-person structure, and a placement plate is embedded in the movable groove, a number of sofa springs are evenly installed between the bottom surface of the placement plate and the top surface of the adjustment plate, a number of guide slide rods are evenly fixedly installed on the bottom surface of the placement plate, a number of guide sleeves are evenly fixedly installed on the adjustment plate, and guide slide rods are sleeved in the guide sleeves.

[0009] Furthermore, guide grooves are symmetrically opened on the side walls of both sides of the storage cavity, guide sliders are symmetrically fixedly installed on both sides of the extension structure, and the guide sliders are embedded in the guide grooves, a number of placement rods are evenly fixedly installed in the extension structure, and moving wheels are symmetrically fixedly installed on one side of the bottom surface of the extension structure.

[0010] Furthermore, an adjusting knob is fixedly connected to the bottom end of the threaded rod shaft.

[0011] Furthermore, a side wall of one side of the extension structure is provided with a clearance groove.

[0012] Furthermore, support feet are fixedly installed at the four corners of the bottom surface of the single-person structure.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides an anti-collapse multi-seat combination sofa, which has the following beneficial effects:

[0015] (1) The utility model is provided with side armrests, a single-person seat structure and an extension structure. A backrest is fixedly installed on one side of the top surface of the single-person seat structure. A storage cavity is formed inside the single-person seat structure, and the extension structure is snap-fitted in the storage cavity. Guide sliders are symmetrically and fixedly installed on both sides of the extension structure, and the guide sliders are snap-fitted in the guide chutes symmetrically opened on both side walls of the storage cavity. A number of placing top rods are evenly and fixedly installed inside the extension structure. During use, the user can pull out the extension structure from the storage cavity by using the moving wheels, and then place a sofa cushion on the placing top rods for use. In this way, each single-person seat structure can be used as a chaise longue, or the combined sofa can be used as a temporary couch for rest, improving its practicability. On the other hand, installation grooves are opened on both side walls of the storage cavity, a reset spring is installed in the installation groove, and a toggle plate is connected to the movable end of the reset spring. A number of combined columns are evenly and fixedly installed on the top surface of the toggle plate. Plug-in grooves are opened on the side walls of the single-person seat structure and the side armrests, and a number of guide holes are communicated between the plug-in grooves and the installation grooves. In addition, combined plates are fixedly installed on the side walls of the single-person seat structure and the side armrests, and a number of fixing holes are evenly opened on the combined plates. During combined installation, the combined plates on adjacent single-person seat structures can be correspondingly inserted into the plug-in grooves, and the combined plates fixedly installed on the side armrests can also be correspondingly inserted into the plug-in grooves opened on the corresponding single-person seat structures. Then, under the elastic force of the reset spring, the toggle plate and the combined columns can be pushed to move upward along the guide holes, so that the combined columns are inserted into the fixing holes, realizing the combined installation of adjacent single-person seat structures and side armrests. The overall integrity after combined installation is better, the installation is more reliable, the use effect of the sofa is better, and the practicability is stronger. During disassembly, the user only needs to reach into the storage cavity and then press the toggle plate to make the combined columns disengage from the fixing holes to realize the disassembly of this anti-collapse multi-person combined sofa, and the operation is simple.

[0016] (2) The utility model is provided with a mounting plate, an adjusting plate and a placing plate. The mounting plate is fixedly installed in the provided storage cavity, and a nut is fixedly installed in the center of the mounting plate. A threaded rod shaft is fitted in the nut. The bottom end of the provided threaded rod shaft is fixedly connected with an adjusting knob. The adjusting plate is snap-fitted in the storage cavity, and a bearing seat is fixedly installed in the center of the bottom surface of the adjusting plate. The top end of the provided threaded rod shaft is installed in the bearing seat. An activity groove is formed in the top surface of the single-person seat structure, and the placing plate is snap-fitted in the activity groove. A plurality of sofa springs are evenly installed between the bottom surface of the placing plate and the top surface of the adjusting plate. In addition, a plurality of guiding slide rods are evenly and fixedly installed on the bottom surface of the placing plate, and a plurality of guiding slide sleeves are evenly and fixedly installed on the adjusting plate. The guiding slide rods are sleeved in the guiding slide sleeves. When in use, the sofa cushion is placed on the placing plate. When the user sits on the sofa cushion, the pressure can act on each sofa spring evenly through the placing plate, so as to prevent the problem that the local sofa springs are too concentrated in force and cause local collapse of the sofa. When the sofa springs are aged and slightly collapsed due to long-term use, the user can put his hand into the storage cavity, and then drive the threaded rod shaft to rotate by the adjusting knob, so as to drive the use height of the adjusting plate and the placing plate, so as to ensure that the heights of the sofa cushions on each single-person seat structure are the same, thereby ensuring the use effect of the anti-collapse multi-person combined sofa, and the practicability is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the following-described drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 is a schematic structural diagram of an anti-collapse multi-person combined sofa according to an embodiment of the present invention;

[0019] Figure 2 is a sectional view of a single-person seat structure of an anti-collapse multi-person combined sofa according to an embodiment of the present invention;

[0020] Figure 3 is an enlarged view of part A of the anti-collapse Figure 2 of the present invention;

[0021] Figure 4 is an enlarged view of part B of the anti-collapse Figure 2 of the present invention;

[0022] Figure 5 is a three-dimensional view of an extended structure of an anti-collapse multi-person combined sofa according to an embodiment of the present invention;

[0023] Figure 6 It is a three-dimensional view of the combined board and combined column of the anti-collapse multi-person combined sofa according to the embodiment of the present utility model.

[0024] In the figure:

[0025] 1. Side armrest; 2. Single-person seat structure; 3. Support foot; 4. Extension structure; 5. Movable wheel; 6. Storage cavity; 7. Backrest; 8. Guide chute; 9. Guide slider; 10. Relief groove; 11. Placing ejector rod; 12. Adjusting knob; 13. Mounting plate; 14. Adjusting plate; 15. Activity groove; 16. Placing plate; 17. Combined board; 18. Insertion slot; 19. Mounting slot; 20. Return spring; 21. Poking plate; 22. Combined column; 23. Guide hole; 24. Fixing hole; 25. Nut; 26. Threaded rod shaft; 27. Bearing seat; 28. Sofa spring; 29. Guide slide bar; 30. Guide slide sleeve. Detailed implementation manners

[0026] To further illustrate each embodiment, the present utility model provides accompanying drawings, which are a part of the disclosure of the present utility model. They are mainly used to illustrate the embodiments and can be used to explain the operation principle of the embodiments in combination with the relevant descriptions in the specification. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0027] According to an embodiment of the present utility model, there is provided an anti-collapse multi-person combined sofa.

[0028] Now, the present utility model will be further described in combination with the accompanying drawings and specific implementation manners. As Figures 1-6 shown, the anti-collapse multi-person combined sofa according to the embodiment of the present utility model includes a side armrest 1, a single-person seat structure 2, and an extension structure 4. One side of the top surface of the single-person seat structure 2 is fixedly installed with a backrest 7, and a storage cavity 6 is opened inside the single-person seat structure 2. An extension structure 4 is snap-fitted and installed inside the storage cavity 6. Installation slots 19 are opened on both side walls of the storage cavity 6, and return springs 20 are installed inside the installation slots 19. The movable ends of the return springs 20 are connected with poking plates 21. A plurality of combined columns 22 are uniformly fixedly installed on the top surface of the poking plates 21. Insertion slots 18 are opened on the side walls of the single-person seat structure 2 and the side armrest 1, and a plurality of guide holes 23 are communicated between the insertion slots 18 and the installation slots 19. Combined boards 17 are fixedly installed on the side walls of the single-person seat structure 2 and the side armrest 1, and a plurality of fixing holes 24 are uniformly opened on the combined boards 17, which can realize the combined installation of adjacent single-person seat structures 2 and side armrests 1. After the combined installation, the integrity is better, the installation is more reliable, the use effect of the sofa is better, and the practicability is stronger.

[0029] In one embodiment, a mounting plate 13 is fixedly installed in the storage cavity 6, and a nut 25 is fixedly installed in the center of the mounting plate 13, and a threaded rod shaft 26 is installed in the nut 25, an adjustment plate 14 is embedded in the storage cavity 6, and a bearing seat 27 is fixedly installed in the center of the bottom surface of the adjustment plate 14, and the top of the threaded rod shaft 26 is installed in the bearing seat 27, a movable groove 15 is opened on the top surface of the single-person frame 2, and a placement plate 16 is embedded in the movable groove 15, a plurality of sofa springs 28 are evenly installed between the bottom surface of the placement plate 16 and the top surface of the adjustment plate 14, and a plurality of guide slide rods 29 are evenly fixedly installed on the bottom surface of the placement plate 16 A plurality of guide sleeves 30 are evenly and fixedly mounted on the adjustment plate 14, and a guide slide rod 29 is sleeved in the guide sleeve 30, which can prevent the local sofa spring 28 from being subjected to excessive force concentration and causing the local collapse of the sofa. When the sofa spring 28 is aged and slightly collapsed due to long-term use, the user can put his hand into the storage cavity 6, and then drive the threaded rod shaft 26 to rotate by adjusting the knob 12, so as to drive the use height of the adjustment plate 14 and the placement plate 16 to ensure that the height of the sofa cushions on each single-person frame 2 is consistent, thereby ensuring the use effect of the anti-collapse multi-person combination sofa, which is more practical.

[0030] In one embodiment, guide grooves 8 are symmetrically provided on the side walls of the storage cavity 6, guide sliders 9 are symmetrically fixedly installed on both sides of the extension structure 4, and the guide sliders 9 are embedded in the guide grooves 8, a number of placement push rods 11 are evenly fixedly installed in the extension structure 4, and a movable wheel 5 is symmetrically fixedly installed on one side of the bottom surface of the extension structure 4, so that each single-seat structure 2 can be used as a chaise longue, and the combination sofa can also be used as a temporary bed for rest, thereby improving its practicality.

[0031] In one embodiment, an adjusting knob 12 is fixedly connected to the bottom end of the threaded shaft 26 , which facilitates the user to adjust and rotate the threaded shaft 26 .

[0032] In one embodiment, a side wall of the extension structure 4 is provided with a clearance groove 10 to prevent the threaded shaft 26 from affecting the movement of the extension structure 4 .

[0033] In one embodiment, support legs 3 are fixedly installed at the four corners of the bottom surface of the single-person structure 2 .

[0034] Working principle: The utility model is provided with a side armrest 1, a single-person seat structure 2 and an extension structure 4. A backrest 7 is fixedly installed on one side of the top surface of the single-person seat structure 2. A storage cavity 6 is opened inside the single-person seat structure 2, and the extension structure 4 is snap-fitted inside the storage cavity 6. Guide sliders 9 are symmetrically and fixedly installed on both sides of the extension structure 4, and the guide sliders 9 are snap-fitted in guide chutes 8 symmetrically opened on the side walls of both sides of the storage cavity 6. A number of placement top rods 11 are evenly and fixedly installed inside the extension structure 4. When in use, the user can use the moving wheels 5 to pull out the extension structure 4 from the storage cavity 6, and then place a sofa cushion on the placement top rods 11 for use, so that each single-person seat structure 2 can be used in the form of a chaise longue, or the combined sofa can be used as a temporary couch for rest, improving its practicability. On the other hand, mounting grooves 19 are opened on the side walls of both sides of the storage cavity 6, a return spring 20 is installed inside the mounting grooves 19, and a toggle plate 21 is connected to the movable end of the return spring 20. A number of combined columns 22 are evenly and fixedly installed on the top surface of the toggle plate 21. Plug-in slots 18 are opened on the side walls of the single-person seat structure 2 and the side armrest 1, and a number of guide holes 23 are communicated between the plug-in slots 18 and the mounting grooves 19. In addition, combined plates 17 are fixedly installed on the side walls of the single-person seat structure 2 and the side armrest 1, and a number of fixing holes 24 are evenly opened on the combined plates 17. When performing combined installation, the combined plate 17 on the adjacent single-person seat structure 2 can be correspondingly inserted into the plug-in slot 18, and the combined plate 17 fixedly installed on the side armrest 1 can also be correspondingly inserted into the plug-in slot 18 opened on the corresponding single-person seat structure 2. Then, under the elastic force of the return spring 20, the toggle plate 21 and the combined columns 22 can be pushed to move upward along the guide holes 23, so that the combined columns 22 are inserted into the fixing holes 24, and the combined installation of the adjacent single-person seat structure 2 and the side armrest 1 can be realized. The integrity after combined installation is better, the installation is more reliable, the use effect of the sofa is better, and the practicability is stronger. When disassembling, the user only needs to reach into the storage cavity 6, and then press the toggle plate 21 to make the combined columns 22 come out of the fixing holes 24 to realize the disassembly of the anti-collapse multi-person combined sofa, and the operation is simple. In addition, the utility model is provided with a mounting plate 13, an adjusting plate 14 and a placement plate 16. A mounting plate 13 is fixedly installed inside the storage cavity 6, a nut 25 is fixedly installed in the center of the mounting plate 13, and a threaded rod shaft 26 is installed in cooperation with the nut 25. The bottom end of the threaded rod shaft 26 is fixedly connected with an adjusting knob 12. An adjusting plate 14 is snap-fitted inside the storage cavity 6, and a bearing seat 27 is fixedly installed in the center of the bottom surface of the adjusting plate 14. The top end of the threaded rod shaft 26 is installed inside the bearing seat 27. An activity slot 15 is opened on the top surface of the single-person seat structure 2, and a placement plate 16 is snap-fitted inside the activity slot 15. A number of sofa springs 28 are evenly installed between the bottom surface of the placement plate 16 and the top surface of the adjusting plate 14. In addition, a number of guide sliding rods 29 are evenly and fixedly installed on the bottom surface of the placement plate 16.A number of guiding sliding sleeves 30 are evenly and fixedly installed on the adjusting plate 14, and a guiding sliding rod 29 is sleeved inside the guiding sliding sleeve 30. During use, the sofa cushion is placed on the placing plate 16. When the user sits on the sofa cushion, the pressure can act evenly on each sofa spring 28 through the placing plate 16, so as to prevent the problem that the local sofa spring 28 is too concentrated in force and causes local collapse of the sofa. When the sofa spring 28 is aged and slightly collapsed due to long-term use, the user can put his hand into the storage cavity 6, and then drive the threaded rod shaft 26 to rotate by turning the adjusting knob 12, so as to drive the use height of the adjusting plate 14 and the placing plate 16, so as to ensure that the heights of the sofa cushions on each single-person seat structure 2 are the same, thereby ensuring the use effect of the anti-collapse multi-person combined sofa and having stronger practicability.

[0035] In the present invention, unless otherwise clearly defined and limited, terms such as "installation", "setting", "connection", "fixation", "rotation connection" and the like shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0036] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-person combined sofa for preventing collapse, comprising a side armrest (1), a single-person seat structure (2) and an extension structure (4), characterized in that, On one side of the top surface of the single-seat structure (2), a backrest (7) is fixedly installed. An accommodation cavity (6) is formed inside the single-seat structure (2). An extension structure (4) is snap-fitted inside the accommodation cavity (6). Installation grooves (19) are formed on both side walls of the accommodation cavity (6). A return spring (20) is installed inside the installation groove (19). The movable end of the return spring (20) is connected to a toggle plate (21). A number of combined columns (22) are evenly and fixedly installed on the top surface of the toggle plate (21). Plug-in slots (18) are formed on the side walls of both the single-seat structure (2) and the side armrest (1). A number of guiding holes (23) are formed in communication between the plug-in slot (18) and the installation groove (19). Combined plates (17) are fixedly installed on the side walls of both the single-seat structure (2) and the side armrest (1). A number of fixing holes (24) are evenly formed on the combined plate (17).

2. The anti-collapse multi-person combined sofa according to claim 1, wherein An installation plate (13) is fixedly installed inside the accommodation cavity (6). A nut (25) is fixedly installed at the center of the installation plate (13). A threaded rod shaft (26) is fitted inside the nut (25). An adjustment plate (14) is snap-fitted inside the accommodation cavity (6). A bearing seat (27) is fixedly installed at the center of the bottom surface of the adjustment plate (14). The top end of the threaded rod shaft (26) is installed inside the bearing seat (27). A movable groove (15) is formed on the top surface of the single-seat structure (2). A placement plate (16) is snap-fitted inside the movable groove (15). A number of sofa springs (28) are evenly installed between the bottom surface of the placement plate (16) and the top surface of the adjustment plate (14). A number of guiding slide rods (29) are evenly and fixedly installed on the bottom surface of the placement plate (16). A number of guiding slide sleeves (30) are evenly and fixedly installed on the adjustment plate (14). The guiding slide rod (29) is sleeved inside the guiding slide sleeve (30).

3. The multi-person combination sofa for preventing collapse according to claim 1, characterized in that Guiding chutes (8) are symmetrically formed on both side walls of the accommodation cavity (6). Guiding sliders (9) are symmetrically and fixedly installed on both sides of the extension structure (4). The guiding slider (9) is snap-fitted inside the guiding chute (8). A number of placement ejector rods (11) are evenly and fixedly installed inside the extension structure (4). Movable wheels (5) are symmetrically and fixedly installed on one side of the bottom surface of the extension structure (4).

4. The anti-collapse multi-person combined sofa according to claim 2, characterized in that, The bottom end of the threaded rod shaft (26) is fixedly connected to an adjustment knob (12).

5. The anti-collapse multi-person combined sofa according to claim 1, wherein A relief groove (10) is formed on one side wall of the extension structure (4).

6. The anti-collapse multi-person combined sofa according to claim 1, characterized in that, Support feet (3) are fixedly installed at the four corners of the bottom surface of the single-seat structure (2).

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