Sofa convenient to limit and splice

Abstract

The utility model discloses a sofa convenient to limit and splice, which relates to the technical field of sofas, and comprises a support base, a seat cushion and a backrest, the top of the support base is provided with the seat cushion, one side of the seat cushion is provided with the backrest, the bottom of the support base is provided with trundles, the interior of the seat cushion is provided with an installation groove, and the installation groove is provided with a through hole. The two sides of the mounting groove are elastically connected with inserting blocks through reset springs correspondingly. According to the sofa convenient to limit and splice, a pull ring is pulled downwards, the pull ring pulls an inserting block to retract into a mounting groove through a pull rope, meanwhile, a rotating block is rotated to the position of a cushion on the adjacent side, the pull ring is loosened, and at the moment, a reset spring drives the inserting block to reset through the elastic effect; according to the sofa convenient to limit and splice, the problems that an existing spliced sofa is formed by arranging a plurality of small sofas, the spliced sofa is easy to shift, and a user cannot stably use the sofa conveniently are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sofas, in particular to a sofa which is convenient for limited position splicing. Background Art

[0002] The sofa is a common piece of furniture used for sitting, lying and resting. It is usually placed in the living room, bedroom or other leisure areas to provide people with a comfortable resting space. In addition to the basic sitting and lying functions, the sofa can also be used as a part of home decoration to add beauty and warm atmosphere to the room. By choosing the right sofa style and color, it can be coordinated with other furniture and decorations in the room to create a personalized home space.

[0003] The existing sofa consists of a base, a seat cushion and a backrest. The seat cushion for sitting or lying is installed on the upper side of the base, and one side of the seat cushion is connected to the backrest for back support. However, the existing spliced ​​sofa is composed of multiple small sofas arranged together. The spliced ​​sofa is prone to displacement, which is not convenient for users to use stably. Utility Model Content

[0004] The utility model aims to provide a sofa that is convenient for limited position splicing, so as to solve the problem that the existing splicing sofa proposed in the above background technology is composed of a plurality of small sofas arranged, and the spliced ​​sofa is easy to shift, which is not convenient for users to use stably.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a sofa that is convenient for limited position splicing, comprising a support base, a seat cushion and a backrest,

[0006] A seat cushion is installed on the top of the support base, a backrest is installed on one side of the seat cushion, casters are installed on the bottom of the support base, a mounting groove is opened inside the seat cushion, and plug-in blocks are elastically connected to both sides of the mounting groove through reset springs.

[0007] Preferably, a draw rope is connected to one side adjacent to the two plug-in blocks, and a draw ring is connected to one side of the draw rope away from the plug-in blocks.

[0008] Preferably, a rotating block is rotatably mounted on one side of the seat cushion via a rotating shaft, and a plug-in slot is provided on a side of the rotating block away from the rotating shaft, and the inner size of the plug-in slot matches the plug-in size of the plug-in block.

[0009] Preferably, a reserved groove is provided inside the backrest, a lateral support plate is rotatably installed inside the reserved groove, and an adjustment arm and a threaded connection ring are provided on one side of the lateral support plate.

[0010] Preferably, both ends of the adjusting arm are hinged to the lateral support plate and the threaded connecting ring on the adjacent side through a connecting block and a pin respectively, and the interior of the threaded connecting ring is threadedly connected to the threaded rod.

[0011] Preferably, the side of the two threaded rods that is away from each other is rotatably connected to the backrest via a bearing seat, and a bidirectional drive motor and a control box are installed inside the backrest.

[0012] Preferably, the output ends on both sides of the bidirectional drive motor are connected to the threaded rod on the adjacent side through couplings, and the threads on the outer sides of the two threaded rods are arranged in opposite directions.

[0013] Compared with the prior art, the beneficial effect of the utility model is that: for the sofa which is convenient for limited position splicing, the pull ring is pulled downward, and the pull ring pulls the plug-in block to retract into the installation groove through the pull rope, and the rotating block is rotated at the same time, and the rotating block is rotated to the seat cushion on the adjacent side, and the pull ring is released. At this time, the reset spring drives the plug-in block to reset through elastic action, which solves the problem that the existing spliced ​​sofa is composed of multiple small sofas arranged together, and the spliced ​​sofa is easy to shift, which is not convenient for users to use stably.

[0014] 1. The sofa with convenient limited position splicing is convenient for stable splicing between sofas. After the sofa is pushed to the adjacent side through the casters at the bottom of the supporting base, the pull ring is pulled downward, and the pull ring pulls the plug-in block to retract into the installation groove through the pull rope. At the same time, the rotating block is rotated to the seat cushion on the adjacent side, and the pull ring is released. At this time, the reset spring drives the plug-in block to reset through elastic action, and the plug-in block can be plugged with the rotating block on the adjacent side through the internal plug-in groove. The sofa with convenient limited position splicing can complete the rapid splicing between adjacent sofas by pulling the pull ring and rotating the rotating block. The operation is convenient and the use is stable;

[0015] 2. The sofa with convenient limited position splicing can improve the comfort of the sofa when in use and improve the supporting effect on the user's back. The control box controls the start of the bidirectional drive motor installed by the mounting ring inside the backrest. The bidirectional drive motor drives the threaded rod to rotate through the couplings on both sides, and acts on the threads of the threaded connecting ring to drive the threaded connecting ring to move to the side away from each other. When the threaded connecting ring moves, the lateral support plate is driven to rotate outward through the adjusting arm to form a concave shape with the backrest. At this time, the user can lean on both sides. The sofa with convenient limited position splicing can improve the wrapping of the user's back and improve the comfort during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the sofa of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the sofa of the utility model when viewed from above;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the rotating block of the utility model when viewed from bottom;

[0019] Figure 4 This is a schematic diagram of the main cross-sectional structure of the seat cushion of the utility model;

[0020] Figure 5 It is a schematic diagram of the cross-sectional structure of the backrest in a top view of the utility model.

[0021] In the figure: 1. support base; 2. seat cushion; 3. backrest; 101. caster; 4. mounting slot; 401. return spring; 402. plug-in block; 403. pull rope; 404. pull ring; 405. rotating block; 406. plug-in slot; 5. reserved slot; 501. lateral support plate; 502. adjustment arm; 503. threaded connection ring; 504. threaded rod; 505. bidirectional drive motor; 506. mounting ring; 6. control box. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model provides a technical solution: a sofa that is convenient for limited position splicing, comprising a support base 1, a cushion 2 and a backrest 3.

[0024] A seat cushion 2 is installed on the top of the support base 1, a backrest 3 is installed on one side of the seat cushion 2, a caster 101 is installed on the bottom of the support base 1, a mounting groove 4 is opened inside the seat cushion 2, and both sides of the mounting groove 4 are elastically connected with plug-in blocks 402 through reset springs 401, and a pull rope 403 is connected to the adjacent sides of the two plug-in blocks 402, and a pull ring 404 is connected to the side of the pull rope 403 away from the plug-in block 402, and a rotating block 405 is rotatably installed on one side of the seat cushion 2 through a rotating shaft, and a plug-in groove 406 is opened on the side of the rotating block 405 away from the rotating shaft, and the internal size of the plug-in groove 406 matches the plug-in size of the plug-in block 402.

[0025] During specific implementation, in order to facilitate stable splicing between sofas, after the sofa is pushed to the adjacent side through the caster 101 at the bottom of the supporting base 1, the pull ring 404 is pulled downward, and the pull ring 404 pulls the plug-in block 402 to retract into the installation groove 4 through the pull rope 403, and the rotating block 405 is rotated at the same time, and the rotating block 405 is rotated to the seat cushion 2 on the adjacent side, and the pull ring 404 is released. At this time, the reset spring 401 drives the plug-in block 402 to reset through elastic action, and the plug-in block 402 can be plugged with the rotating block 405 on the adjacent side through the internal plug-in groove 406, so as to achieve the effect of limiting the rotating block 405. At the same time, one side of the plug-in block 402 is arranged in an arc shape, which is convenient for the plug-in work. The sofa with convenient limited splicing can complete the rapid splicing between adjacent sofas by pulling the pull ring 404 and rotating the rotating block 405, which is convenient to operate and stable to use.

[0026] See also Figure 4 and Figure 5 It can be seen that a reserved groove 5 is provided inside the backrest 3, and a lateral support plate 501 is rotatably installed inside the reserved groove 5. An adjusting arm 502 and a threaded connecting ring 503 are provided on one side of the lateral support plate 501. The two ends of the adjusting arm 502 are respectively hinged to the lateral support plate 501 and the threaded connecting ring 503 on the adjacent side through a connecting block and a pin shaft. The threaded connecting ring 503 is threadedly connected to the threaded rod 504 inside. The two sides of the threaded rods 504 that are away from each other are rotatably connected to the backrest 3 through a bearing seat. A bidirectional drive motor 505 and a control box 6 are installed inside the backrest 3. The output ends on both sides of the bidirectional drive motor 505 are respectively connected to the threaded rod 504 on the adjacent side through a coupling, and the threads on the outer sides of the two threaded rods 504 are set in opposite directions.

[0027] During specific implementation, in order to improve the comfort of the sofa when in use and improve the supporting effect for the user's back, the control box 6 is used to control the start of the bidirectional drive motor 505 installed by the mounting ring 506 inside the backrest 3. The bidirectional drive motor 505 drives the threaded rod 504 to rotate through the couplings on both sides. When the threaded rod 504 rotates, it acts on the thread of the threaded connecting ring 503 on the outside, driving the threaded connecting ring 503 to move to the side away from it. When the threaded connecting ring 503 moves, it drives the lateral support plate 501 to rotate outward through the adjusting arm 502, and together with the backrest 3 forms a concave shape. At this time, the user can lean on both sides. The sofa with convenient limited splicing can improve the wrapping of the user's back and improve the comfort during use.

[0028] In summary, when using the sofa that is convenient for limited position splicing, after pushing it to the adjacent side through the caster 101 at the bottom of the supporting base 1, pull the pull ring 404 downward, and the pull ring 404 pulls the plug-in block 402 to retract into the installation groove 4 through the pull rope 403, and at the same time, rotate the rotating block 405 to the seat cushion 2 on the adjacent side, release the pull ring 404, and at this time, the reset spring 401 drives the plug-in block 402 to reset through elastic action to complete the splicing. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sofa that is convenient for limited position splicing, comprising a support base (1), a seat cushion (2) and a backrest (3), characterized in that: A seat cushion (2) is installed on the top of the support base (1), a backrest (3) is installed on one side of the seat cushion (2), a caster (101) is installed on the bottom of the support base (1), a mounting groove (4) is provided inside the seat cushion (2), both sides of the mounting groove (4) are elastically connected to plug-in blocks (402) via return springs (401), a pull rope (403) is connected to the adjacent sides of the two plug-in blocks (402), a pull rope (403) is connected to the side of the pull rope (403) away from the plug-in blocks (402) with a pull ring (404), a rotating block (405) is rotatably installed on one side of the seat cushion (2) via a rotating shaft, a plug-in groove (406) is provided on the side of the rotating block (405) away from the rotating shaft, and the internal dimensions of the plug-in groove (406) match the plug-in dimensions of the plug-in block (402).

2. A sofa that is convenient for limited position splicing according to claim 1, characterized in that: A reserved groove (5) is provided inside the backrest (3), a lateral support plate (501) is rotatably mounted inside the reserved groove (5), and an adjustment arm (502) and a threaded connection ring (503) are provided on one side of the lateral support plate (501).

3. A sofa that is convenient for limited position splicing according to claim 2, characterized in that: The two ends of the regulating arm (502) are respectively hingedly connected to the lateral support plate (501) and the threaded connection ring (503) on the adjacent side through a connecting block and a pin shaft, and the threaded connection ring (503) is threadedly connected to the threaded rod (504) inside.

4. A sofa that is convenient for limited position splicing according to claim 3, characterized in that: The two threaded rods (504) are rotatably connected to the backrest (3) via a bearing seat at the sides away from each other. A bidirectional drive motor (505) and a control box (6) are installed inside the backrest (3).

5. The sofa with convenient limited position splicing according to claim 4 is characterized by: The output ends on both sides of the bidirectional drive motor (505) are respectively connected to the threaded rod (504) on the adjacent side via a coupling, and the threads on the outer sides of the two threaded rods (504) are arranged in opposite directions.

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