Split type backrest and sofa

Abstract

The utility model discloses a split type backrest and a sofa, and relates to the field of sofas. The split type backrest and the sofa comprise a split type backrest assembly, the split type backrest assembly comprises a lower backrest and an upper backrest, a connecting through hole is formed in the lower backrest, the front end of the lower backrest is fixedly connected with an armrest, the bottom end of the armrest is fixedly connected with a horizontal special-shaped sliding block, and the horizontal special-shaped sliding block is used for fixing the lower backrest; the bottom end of the upper backrest is fixedly connected with a fixed connecting column, the fixed connecting column is movably clamped in the connecting through hole, and the upper backrest is used for fixing the lower backrest. According to the split type backrest and the sofa, the lower backrest and the upper backrest are arranged, on one hand, the two groups of backrests are fixed on the sofa seat in different modes and are fixed with each other, so that the supporting performance and the stability of the backrest are higher, and on the other hand, the backrest can be fixed through a group of bolts and is relatively convenient to mount and dismount; too many threads are not needed for tightening, and dismounting and mounting difficulty is prevented.

Description

Technical Field

[0001] This utility model relates to the field of sofa technology, specifically to a split-type backrest and sofa. Background Technology

[0002] A sofa is a multi-seat chair with cushions. As a piece of upholstered furniture, its core purpose is to provide support for the human body in sitting, lying, and other resting postures. It is commonly found in homes and offices, conforms to ergonomic requirements, and can meet the needs of relaxation. A modular sofa, on the other hand, is composed of multiple independent modules, which can be freely assembled to suit different spatial layouts and usage needs.

[0003] Existing split-type sofas require additional connectors and supports to connect the backrest and seat because the separate backrest needs to support the user's backward leaning force during use. This makes the use, installation, and disassembly of the split sofa seat rather cumbersome. To address these issues, this invention provides a split-type backrest and sofa to solve the aforementioned problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a split-type backrest and sofa, solving the problem that existing split-type sofas require additional connectors and supports to connect the backrest and seat, as the split backrest needs to support the user's backward leaning force during use. This makes the use, installation, and disassembly of the split sofa seat rather cumbersome.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a split-type backrest, comprising a split-type backrest assembly, the split-type backrest assembly including a lower backrest and an upper backrest, the lower backrest having a connecting through hole, an armrest fixedly connected to the front end of the lower backrest, a horizontal irregularly shaped slider fixedly connected to the bottom end of the armrest, the horizontal irregularly shaped slider being used to fix the lower backrest, a fixing connecting post fixedly connected to the bottom end of the upper backrest, the fixing connecting post being movably engaged in the connecting through hole, the upper backrest being used to fix the lower backrest.

[0006] Preferably, the lower backrest has a vertical insertion groove at its back end, and the upper backrest has a vertical limiting block at its bottom end, the vertical limiting block being movably engaged in the vertical insertion groove.

[0007] Preferably, a connecting block is fixedly connected to the bottom end of the upper backrest, and the vertical limiting block is fixedly connected to the front end of the connecting block.

[0008] Preferably, a cushion is installed at the front end of the lower backrest, and the cushion is used to support the waist.

[0009] Preferably, the bottom end of the connecting block is fixedly connected to an insert block, and the insert block has a threaded through hole.

[0010] Preferably, a sofa includes a sofa seat, a split backrest assembly disposed on the sofa seat, a slide rail provided inside the sofa seat, a horizontal irregularly shaped slider slidably connected inside the slide rail, a base fixing hole and a slot provided inside the sofa seat, a fixing connecting post movably engaging in the base fixing hole, an insert block movably engaging in the slot, and a fixing bolt threaded into the threaded through hole, the fixing bolt being used to fix the upper backrest to the sofa seat.

[0011] This utility model discloses a split-type backrest and sofa, which has the following beneficial effects: This split-type backrest and sofa, by setting a lower backrest and an upper backrest, firstly, the two sets of backrests are fixed to the sofa seat in different ways and fixed to each other, making the support and stability of the backrest stronger. Secondly, the backrest can be fixed with a set of bolts, making installation and disassembly more convenient, without too many threads to tighten, thus preventing difficulties in disassembly and installation. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall front structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the overall structure of the sofa seat of this utility model;

[0015] Figure 3 This is a schematic diagram of the overall exploded structure of this utility model;

[0016] Figure 4 This is a schematic diagram of the overall structure of the lower backrest of this utility model;

[0017] Figure 5 This is a schematic diagram of the overall structure of the upper backrest of this utility model.

[0018] In the diagram: 1. Sofa seat; 11. Slide rail; 12. Base fixing hole; 13. Slot; 14. Fixing bolt; 2. Split backrest assembly; 21. Lower backrest; 211. Insert vertical slot; 212. Connecting through hole; 213. Cushion; 214. Armrest; 215. Horizontal irregular slider; 22. Upper backrest; 221. Connecting block; 222. Fixing connecting column; 223. Insert block; 224. Threaded through hole; 225. Vertical limiting block. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] This application provides a split-backrest and sofa, solving the problem that existing split-backrests require additional connectors and supports to connect the backrest and seat, which makes the use, installation, and disassembly of the split sofa seat cumbersome. This is because the split backrest needs to support the user's backward leaning force during use.

[0021] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0022] This utility model discloses a split-type backrest and sofa.

[0023] Example 1

[0024] According to the appendix Figure 1-5 As shown, the backrest assembly includes a split-type backrest assembly 2, which includes a lower backrest 21 and an upper backrest 22. The lower backrest 21 has a connecting through hole 212. An armrest 214 is fixedly connected to the front end of the lower backrest 21, and a horizontal irregularly shaped slider 215 is fixedly connected to the bottom end of the armrest 214. The horizontal irregularly shaped slider 215 is used to fix the lower backrest 21. A fixing connecting post 222 is fixedly connected to the bottom end of the upper backrest 22, and the fixing connecting post 222 is movably engaged in the connecting through hole 212. The upper backrest 22 is used to fix the lower backrest 21. The lower backrest 21 has an insertion vertical groove 211 at its back end, and the upper backrest 22 has a vertical limiting block 225 at its bottom end. The upper backrest 22 is fixedly connected to the bottom of the upper backrest 22 by a connecting block 221, and the vertical limiting block 225 is fixedly connected to the front end of the connecting block 221. A cushion 213 is installed at the front end of the lower backrest 21 to support the waist. An insert block 223 is fixedly connected to the bottom of the connecting block 221. A threaded through hole 224 is opened in the insert block 223. The comfort of the split backrest assembly 2 is improved by setting the armrest 214 and the cushion 213. During installation, the upper backrest 22 is quickly fixed by inserting it into the vertical groove 211 and the connecting through hole 212 through the vertical limiting block 225 and the fixed connecting post 222.

[0025] Example 2

[0026] Based on Example 1, according to Appendix Figure 1-5As shown, a sofa includes a sofa seat 1, a split backrest assembly 2 disposed on the sofa seat 1, a slide rail 11 provided inside the sofa seat 1, a horizontal irregularly shaped slider 215 slidably connected inside the slide rail 11, a base fixing hole 12 and a slot 13 provided inside the sofa seat 1, a fixing connecting post 222 movably engaging in the base fixing hole 12, an insert block 223 movably engaging in the slot 13, and a fixing bolt 14 threadedly connected to a threaded through hole 224. The fixing bolt 14 is used to fix the upper backrest 22 to the sofa seat 1. The lower backrest 21 is fixed by inserting the horizontal irregularly shaped slider 215 into the slide rail 11. The connection and fixation are more secure through the fixation between them.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A split-type backrest, comprising a split-type backrest assembly (2), characterized in that, The split-type backrest assembly (2) includes: The lower backrest (21) has a connecting through hole (212) inside. An armrest (214) is fixedly connected to the front end of the lower backrest (21). A horizontal irregular slider (215) is fixedly connected to the bottom end of the armrest (214). The horizontal irregular slider (215) is used to fix the lower backrest (21). The upper backrest (22) has a fixed connecting post (222) fixedly connected to its bottom end. The fixed connecting post (222) is movably engaged in the connecting through hole (212). The upper backrest (22) is used to fix the lower backrest (21).

2. A split-type backrest according to claim 1, characterized in that: The lower backrest (21) has a vertical slot (211) at the back end, and the upper backrest (22) has a vertical limiting block (225) at the bottom end. The vertical limiting block (225) is movably engaged in the vertical slot (211).

3. A split-type backrest according to claim 2, characterized in that: The bottom end of the upper backrest (22) is fixedly connected to a connecting block (221), and the vertical limiting block (225) is fixedly connected to the front end of the connecting block (221).

4. A split-type backrest according to claim 1, characterized in that: A cushion (213) is installed at the front end of the lower backrest (21), and the cushion (213) is used to support the waist.

5. A split-type backrest according to claim 3, characterized in that: The bottom end of the connecting block (221) is fixedly connected to the insert block (223), and the insert block (223) has a threaded through hole (224).

6. A sofa comprising a split-type backrest as described in any one of claims 1-5, characterized in that: The sofa includes a sofa seat (1), the split backrest assembly (2) is mounted on the sofa seat (1), the sofa seat (1) has a slide rail (11) inside, the horizontal irregular slider (215) is slidably connected in the slide rail (11), the sofa seat (1) has a base fixing hole (12) and a slot (13) inside, the fixing connecting column (222) is movably engaged in the base fixing hole (12), the insert (223) is movably engaged in the slot (13), and the threaded through hole (224) is threaded with a fixing bolt (14), the fixing bolt (14) is used to fix the upper backrest (22) in the sofa seat (1).

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