A single seat chair which can be assembled and disassembled as a whole

Abstract

The utility model discloses a whole dismountable single dining chair, which comprises a dining chair horizontal plate, a dining chair backrest connected to the dining chair horizontal plate through a rotating shaft, a limiting sleeve connected to the dining chair backrest and the rotating shaft, a chair pad connected to the other side of the limiting sleeve, a bottom rod fixedly connected to the bottom surface of the chair pad, and a first nut threadedly connected to the lower end surface of the bottom rod. The whole dismountable single dining chair is assembled and disassembled conveniently through the cooperation of the dining chair horizontal plate, the rotating shaft, the dining chair backrest, the limiting sleeve, the limiting groove, the chair pad, the bottom rod, the first nut, the first gasket, the supporting rod and the adjusting base frame. The dining chair can be disassembled and folded as a whole when it is transported or idle, so that the space occupied by the dining chair is reduced, the transportation cost is reduced, and the space occupied by the dining chair is reduced. In addition, when a single component is damaged or aged, the component can be replaced individually, so that the use cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of wardrobe technology, specifically to a single dining chair that can be disassembled and reassembled as a whole. Background Technology

[0002] A single dining chair is a functional seat designed specifically for single-person dining scenarios, primarily used with a dining table. Its core features are "single-person adaptation" and "dining scenario optimization." Structurally, it emphasizes practicality and comfort, typically employing ergonomic design. For example, it features a backrest that conforms to the curve of the back, a seat height adapted to the dining table (generally 45-50cm high, suitable for 75-80cm high tables), and some models also include armrests to reduce arm strain. The base often features stable four legs, a curved base, or casters to ensure stability and convenience during meals.

[0003] Single dining chairs combine durability with suitability for different settings. Common materials include solid wood, metal, and plastic, and some also use soft accessories such as cushions and chair covers to enhance comfort.

[0004] The existing technical solution still has the following problems when used:

[0005] 1. Most existing single dining chairs have a fixed structure, which requires a lot of space for transportation and storage. This increases transportation costs and takes up a lot of space when temporarily not in use, which can easily cause overcrowding. Furthermore, if a part of the single dining chair is damaged during use, the entire chair must be replaced, which increases the cost of use.

[0006] 2. The leg height of most existing single dining chairs is fixed. However, in actual use, the height of the dining table and the usage scenario often vary. A fixed height will result in poor structural adaptability and affect the comfort of use.

[0007] Therefore, improvements are needed to address the aforementioned issues. Utility Model Content

[0008] The purpose of this invention is to provide a single dining chair that can be disassembled as a whole, so as to solve the problems mentioned in the background art.

[0009] To achieve the above objectives, this utility model provides the following technical solution: a single dining chair that can be disassembled as a whole, comprising: a chair backrest, one side of which is rotatably connected to a chair backrest via a pivot, the intersection of the chair backrest and the pivot fitting into a limiting groove on the surface of a limiting sleeve, a seat cushion connected to the other side of the limiting sleeve, a base rod fixedly connected to the bottom surface of the seat cushion, a first nut threadedly connected to the lower end of the base rod, the top surface of the first nut abutting against a first washer, and the inner wall of the first washer fitting onto the surface of the base rod. The first washer abuts against the bottom of the chair's crossbar. A support rod is welded to the bottom surface of the chair's crossbar. An elongated groove is formed on the surface of the support rod, and a crossbar is inserted into the elongated groove. A second nut is threaded onto the surface of the crossbar. One side of the second nut abuts against the second washer. The inner wall of the second washer is fitted onto the surface of the crossbar. The second washer abuts against the longitudinal end surface of the adjusting base. The support rod is slidably fitted onto the top of the longitudinal end of the adjusting base. A threaded groove is formed on the surface of the longitudinal end of the adjusting base, and a crossbar is threaded onto the surface of the threaded groove.

[0010] Preferably, the chair backrest, the pivot, and the chair backrest form a rotating connection structure, and the shape and size of the limiting groove are adapted to the pivot and the chair backrest.

[0011] Preferably, the chair cushion is an L-shaped integrated structure, the shape and size of which are adapted to the rectangular cavity formed at the intersection of the chair's crossbar and backrest.

[0012] Preferably, the bottom of the seat cushion has three sets of equally spaced bottom rods symmetrically distributed at the bottom of the horizontal end, and the lower end of the bottom rod is provided with a threaded structure, the shape and size of which are adapted to the inner thread of the first nut.

[0013] Preferably, the adjusting base is a U-shaped integrated structure, with a rectangular groove on the top surface of its longitudinal end, and the shape and size of the rectangular groove are adapted to the support rod.

[0014] Preferably, the support rod, elongated groove, crossbar, second nut, second washer, adjusting base, and threaded groove form a threaded connection structure.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This single dining chair can be assembled and disassembled as a whole. Through the cooperation of the chair's crossbar, pivot, backrest, limiting sleeve, limiting groove, seat cushion, base rod, first nut, first washer, support rod and adjusting base frame, the dining chair can be easily assembled and disassembled as a whole. In addition, when transporting or not in use, the dining chair can be disassembled and folded to reduce the space occupied by the chair, thereby reducing transportation costs. Furthermore, when a single part is damaged or worn out, that part can be replaced individually, reducing the cost of use.

[0017] 2. This detachable single dining chair allows for adjustment of the support height of components such as the chair's crossbar by sliding the support rod within a rectangular groove on the top of the adjustable base. This facilitates the adjustment of the height of the crossbar and seat cushion for different users in various environments, improving its adaptability. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0019] Figure 2 This is a side view sectional structural diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the exploded front view of this utility model;

[0021] Figure 4 This is an enlarged structural diagram of the chair cushion and base rod of this utility model;

[0022] Figure 5 This utility model Figure 3 Enlarged structural diagram of section A.

[0023] In the diagram: 1. Dining chair crossbar; 2. Spindle; 3. Dining chair backrest; 4. Limiting sleeve; 5. Limiting groove; 6. Chair cushion; 7. Base rod; 8. First nut; 9. First washer; 10. Support rod; 11. Long oval groove; 12. Crossbar; 13. Second nut; 14. Second washer; 15. Adjustable base frame; 16. Threaded groove. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5This utility model provides a technical solution: a single dining chair that can be disassembled as a whole, comprising: a chair backrest 1, one side surface of the chair backrest 1 is rotatably connected to a chair backrest 3 via a pivot 2, the intersection of the chair backrest 3 and the pivot 2 is fitted into a limiting groove 5 opened on the surface of a limiting sleeve 4, the other side surface of the limiting sleeve 4 is connected to a seat cushion 6, the bottom surface of the seat cushion 6 is fixedly connected to a base rod 7, the lower end surface of the base rod 7 is threadedly connected to a first nut 8, the top surface of the first nut 8 abuts against a first washer 9, the inner wall of the first washer 9 is fitted onto the surface of the base rod 7, and the top of the first washer 9 abuts against the dining chair. At the bottom of the horizontal board 1, a support rod 10 is welded to the bottom surface of the dining chair horizontal board 1. An elongated groove 11 is formed on the surface of the support rod 10. A horizontal rod 12 is inserted into the surface of the elongated groove 11. A second nut 13 is threaded onto the surface of the horizontal rod 12. One side of the second nut 13 abuts against a second washer 14. The inner wall of the second washer 14 is fitted onto the surface of the horizontal rod 12. The second washer 14 abuts against the longitudinal end surface of the adjusting base 15. The support rod 10 is slidably sleeved at the top of the longitudinal end of the adjusting base 15. A threaded groove 16 is formed on the surface of the longitudinal end of the adjusting base 15. The horizontal rod 12 is threaded onto the surface of the threaded groove 16.

[0026] Preferably, the chair backrest 3, the chair horizontal plate 1, the pivot 2, and the chair backrest 3 form a rotating connection structure, and the shape and size of the limiting groove 5 are adapted to the pivot 2 and the chair backrest 3.

[0027] In practical use, the pivot 2, which connects the chair backrest 3 to the chair horizontal panel 1, is used to rotate and fold the chair horizontal panel 1 and chair backrest 3, making it convenient to store and fold them, thus reducing the space occupied during transportation and temporary storage.

[0028] Preferably, the seat cushion 6 has an "L"-shaped integrated structure, and its shape and size are adapted to the rectangular cavity formed at the intersection of the chair backrest 3 and the chair horizontal board 1.

[0029] In practical use, the rectangular cavity formed when the chair backrest 3 and the horizontal board 1 of the chair are at a 90-degree angle is used to support and fix the position of the seat cushion 6, thereby improving its stability during use.

[0030] Preferably, the bottom of the seat cushion 6 has three sets of equally spaced bottom rods 7 symmetrically distributed at the bottom of the horizontal end. The bottom of the bottom rod 7 has a threaded structure at the lower end, and its shape and size are adapted to the inner thread of the first nut 8.

[0031] In practical use, grasp the butterfly handles on the surface of several sets of first nuts 8 in sequence and rotate them downwards, so that the first nuts 8 threadedly connected to the base rod 7 move downwards until the two are separated, and remove the first washer 9 fitted on the base rod 7, thereby disassembling the seat cushion 6 fixed to the horizontal plate 1 of the dining chair.

[0032] Preferably, the adjustable base frame 15 is a U-shaped integrated structure, with a rectangular groove on the top surface of its longitudinal end, and the shape and size of the rectangular groove are adapted to the support rod 10.

[0033] In practical use, two sets of adjustable base frames 15 are respectively fitted onto two sets of symmetrically distributed support rods 10, thereby quickly adjusting the support height of the dining chair crossbar 1.

[0034] Preferably, the support rod 10, the elongated groove 11, the crossbar 12, the second nut 13, the second washer 14, the adjusting base 15, and the threaded groove 16 form a threaded connection structure.

[0035] In practical use, after the adjusting base 15 is fitted onto the surface of the support rod 10, the crossbar 12 passes through the threaded groove 16 and the elongated groove 11 on the surface of the adjusting base 15, and the elongated groove 11 on the surface of the support rod 10 allows the support rod 10 and the adjusting base 15 to slide and adjust their height. The crossbar 12 slides in the elongated groove 11 until the height of the support rod 10 and the adjusting base 15 is adjusted according to the user's situation and the dining table used in the usage scenario. Then, the second washer 14 is fitted onto the crossbar 12 and abuts against the surface of one side of the adjusting base 15. Then, by holding the handles on both sides of the second nut 13, the second nut 13 is rotated on the crossbar 12 until the second nut 13 abuts against the second washer 14. The support rod 10 and the adjusting base 15 are clamped and fixed by the cooperation of the crossbar 12 and the second nut 13.

[0036] Working principle: When using the detachable single dining chair, firstly, when transporting or temporarily not using the single dining chair, unscrew the second nut 13 threaded onto the crossbar 12, then disassemble the crossbar 12 inserted between the first washer 9 and the adjusting base 15, then move the adjusting base 15, which is slidably fitted onto the surface of the first washer 9, downwards so that the first washer 9, which is slidably fitted onto the rectangular groove at its top, separates from it, and then reconnect the crossbar 12, the second nut 13, and the second washer 14 by threading them together for storage;

[0037] At the same time, grasp the butterfly handles on the surface of several sets of first nuts 8 and rotate them downwards, so that the first nuts 8 threaded on the base rod 7 move downwards until the two are separated, and remove the first washer 9 sleeved on the base rod 7. After disassembling the several sets of first nuts 8 and first washers 9 connected to the base rod 7 at the bottom of the seat cushion 6, pull the limiting sleeve 4 upwards to make the limiting groove 5 disengage from the sleeved pivot 2 and the dining chair back 3. Rotate the dining chair back 3 with the pivot 2 until it fits against the dining chair cross panel 1. Then, separate and store the disassembled seat cushion 6, base rod 7, and folded cross panel and backrest, greatly reducing the space occupied.

[0038] In addition, the seat cushion 6 can be replaced when the season changes or when the surface of the cushion is worn out. When it is needed again, repeat the above operation: first, rotate the chair back 3 to 90° with the chair crossbar 1 via the pivot 2, slide the limiting sleeve 4 downward so that the limiting groove 5 wraps around the pivot 2 to fix the backrest position, then insert the bottom rod 7 of the seat cushion 6 into the circular through groove of the chair crossbar 1, attach the first washer 9 from the bottom, screw on the first nut 8 and tighten it clockwise to fix the seat cushion 6. After the adjusting base 15 is fitted onto the surface of the support rod 10, the crossbar 12 passes through the threaded groove 16 and the elongated groove 11 on the surface of the adjusting base 15, and the support rod 10 is also used to fix the seat cushion 6. The elongated groove 11 is designed so that when the support rod 10 and the adjustable base 15 slide to adjust the height, the crossbar 12 slides in the elongated groove 11 until the height of the support rod 10 and the adjustable base 15 is adjusted according to the user's situation and usage scenario. Then, the second washer 14 is fitted onto the crossbar 12 and abuts against the surface of one side of the adjustable base 15. Then, by holding the handles on both sides of the second nut 13, the second nut 13 is driven to rotate on the crossbar 12 until the second nut 13 abuts against the second washer 14. The support rod 10 and the adjustable base 15 are clamped and fixed by the cooperation of the crossbar 12 and the second nut 13, thereby improving the adaptability of the dining chair.

[0039] In actual use, both the first nut 8 and the second nut 13 are wing nuts.

[0040] This is the feature of the detachable single dining chair. Any content not described in detail in this specification is existing technology known to those skilled in the art.

[0041] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A single dining chair that can be detached as a whole, comprising: A dining chair crossbar (1), characterized in that: one side surface of the dining chair crossbar (1) is rotatably connected to the dining chair backrest (3) via a pivot (2), the intersection of the dining chair backrest (3) and the pivot (2) is fitted into a limiting groove (5) opened on the surface of a limiting sleeve (4), the other side surface of the limiting sleeve (4) is connected to a chair cushion (6), the bottom surface of the chair cushion (6) is fixedly connected to a bottom rod (7), the lower end surface of the bottom rod (7) is threadedly connected to a first nut (8), the top surface of the first nut (8) abuts against a first washer (9), the inner wall of the first washer (9) is fitted onto the surface of the bottom rod (7), the top of the first washer (9) abuts against the bottom of the dining chair crossbar (1), the dining chair crossbar (1) A support rod (10) is welded to the bottom surface. An elongated groove (11) is opened on the surface of the support rod (10). A crossbar (12) is inserted into the surface of the elongated groove (11). A second nut (13) is threaded onto the surface of the crossbar (12). A second washer (14) abuts against one side of the surface of the second nut (13). The inner wall of the second washer (14) is sleeved on the surface of the crossbar (12). The second washer (14) abuts against the longitudinal end surface of the adjusting base frame (15). The support rod (10) is slidably sleeved on the top of the longitudinal end of the adjusting base frame (15). A threaded groove (16) is opened on the surface of the longitudinal end of the adjusting base frame (15). A crossbar (12) is threaded onto the surface of the threaded groove (16).

2. The detachable single dining chair according to claim 1, characterized in that: The chair backrest (3), the chair crossbar (1), the pivot (2), and the chair backrest (3) form a rotating connection structure. The shape and size of the limiting groove (5) are adapted to the pivot (2) and the chair backrest (3).

3. A detachable single dining chair according to claim 2, characterized in that: The chair cushion (6) is an "L" shaped integrated structure, and its shape and size are adapted to the rectangular cavity formed at the intersection of the chair back (3) and the chair horizontal board (1).

4. A single dining chair that can be detached as a whole according to claim 1, characterized in that: The bottom of the seat cushion (6) has three sets of equally spaced bottom rods (7) symmetrically distributed at the bottom of the horizontal end. The bottom of the bottom rod (7) is provided with a threaded structure, the shape and size of which are adapted to the inner thread of the first nut (8).

5. A single dining chair that can be detached as a whole according to claim 1, characterized in that: The adjustable base frame (15) is a U-shaped integrated structure with a rectangular groove on the top surface of its longitudinal end, and the shape and size of the rectangular groove are adapted to the support rod (10).

6. A detachable single dining chair according to claim 5, characterized in that: The support rod (10), elongated groove (11), crossbar (12), second nut (13), second washer (14), adjusting base (15) and threaded groove (16) form a threaded connection structure.

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