Square sky chair

Abstract

The utility model provides a square sky chair which comprises a chair seat, a chair face is arranged on the chair seat, a cross-shaped supporting base is arranged at the position, making contact with the ground, of the lower portion of the chair seat, base mortise and tenon inserting holes are formed in the cross-shaped supporting base, and chair legs are connected with the cross-shaped supporting base through chair leg mortise and tenon connecting blocks. The whole chair is more stable and not easy to shake when bearing weight due to the tenon-and-mortise connection mode of the chair legs and the cross-shaped supporting base and the design of forming the angle of 75-85 degrees between the chair legs and the ground, and a more stable sitting posture support is provided for a user. By adopting the traditional tenon-and-mortise connection mode, the connection strength among the components of the chair is increased, and the problem of chemical pollution or corrosion possibly caused by the use of modern glue or metal connecting pieces is avoided, so that the chair structure is firmer and more environment-friendly. Due to the design of the tenon-and-mortise connection mode, the chair is very convenient to assemble and disassemble, special tools are not needed, a user can easily disassemble and assemble the chair according to own needs, and the chair is convenient to clean and store.

Description

Technical Field

[0001] The utility model relates to the field of chairs, and more particularly to a Fangtian chair. Background Art

[0002] With the improvement of living standards, people have higher and higher requirements for the comfort, stability and durability of household items, especially seats. However, in the prior art, although there are various types of chairs on the market, they all have some deficiencies in design and structure.

[0003] Chinese Utility Model Patent Application No.: CN200920023142.4, a proposed bookshelf seat, which belongs to a student-specific seat and mainly solves the problem of having no place to put too many books on a student's desk. It includes a seat surface and chair legs. Its feature is that a plurality of through holes are regularly distributed on the seat surface, a seat cushion is provided above the seat surface, the upper surface of the seat cushion is flat, and protrusions matching the through holes on the seat surface are provided on the bottom side; a flat plate parallel to the seat surface is fixed between the chair legs, and the part between the flat plate and the seat surface is enclosed on three sides and open on one side; a partition plate parallel to the seat surface is fixed between the seat surface and the flat plate. The through holes on the seat surface can dissipate heat well; the seat cushion can keep warm well when it is cold.

[0004] However, there are still some deficiencies in the existing chairs during use and need to be improved. First, traditional chairs mostly use metal welding or screw connection in structure. Although this method can achieve the basic functions of the chair, it is not convenient for assembly and disassembly. Secondly, the existing chairs are not convenient for cleaning and storing after disassembly. Therefore, we make improvements on this and propose a Fangtian chair. Summary of the Utility Model

[0005] The purpose of the present utility model is to address the problems raised in the background art. To achieve the above-mentioned utility model purpose, the present utility model provides the following technical solutions: a Fangtian chair, including a seat, a seat surface is provided on the seat, a mortise and tenon connection part of the seat is provided below the seat, chair legs are mortise and tenon connected below the mortise and tenon connection part of the seat, a cross support base is provided below the seat and in contact with the ground, a base mortise and tenon socket is provided on the cross support base, and the chair legs are connected to the cross support base through chair leg mortise and tenon connection blocks.

[0006] As a preferred technical solution of the present utility model, the chair leg mortise and tenon connection block is provided with a mortise and tenon convex block, and the mortise and tenon convex block is inserted into the interior of the base mortise and tenon socket.

[0007] As a preferred technical solution of the present utility model, the outer contour of the mortise and tenon convex block is smaller than the inner contour of the base mortise and tenon socket.

[0008] As a preferred technical solution of the present utility model, a mortise and tenon connection groove is provided on the upper part of the chair leg mortise and tenon connection block.

[0009] As a preferred technical solution of the present utility model, the mortise and tenon connection groove is mortise and tenon connected with the chair leg.

[0010] As a preferred technical solution of the present utility model, both the mortise and tenon connection groove and the chair leg are rectangular, and the outer rectangular contour of the chair leg is smaller than the inner contour of the mortise and tenon connection groove.

[0011] As a preferred technical solution of the present utility model, there are four chair legs, and the angle formed by the chair legs and the ground horizontal line is 75° - 85°.

[0012] As a preferred technical solution of the present utility model, the mortise and tenon connection part of the chair seat is circular.

[0013] As a preferred technical solution of the present utility model, both the chair seat and the mortise and tenon connection part of the chair seat, as well as the cross support base and the chair leg mortise and tenon connection block, are made of wood.

[0014] As a preferred technical solution of the present utility model, the mortise and tenon insertion hole of the base is rectangular.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: In the solution of the present utility model: Through the mortise and tenon connection method between the chair legs and the cross support base, and the angle design of 75° - 85° formed by the chair legs and the ground, the whole chair is more stable when bearing weight and is not easy to shake, providing a more stable sitting posture support for users.

[0016] Adopting the traditional mortise and tenon connection method not only increases the connection strength between the various components of the chair, but also avoids the chemical pollution or corrosion problems that may be brought by using modern glue or metal connectors, making the chair structure more reliable and environmentally friendly.

[0017] The design of the mortise and tenon connection method makes the chair very convenient to assemble and disassemble. No special tools are required, and users can easily assemble and disassemble it according to their own needs, which is convenient for cleaning and storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a structural schematic diagram provided by the present utility model;

[0019] Figure 2 is a structural schematic diagram of the chair leg provided by the present utility model;

[0020] Figure 3 is a structural schematic diagram of the chair leg mortise and tenon connection block provided by the present utility model.

[0021] The labels in the figure are:

[0022] 1. Chair seat; 101. Chair surface; 2. Chair legs; 3. Mortise and tenon connection part of the chair seat; 4. Cross support base; 5. Mortise and tenon socket on the base; 6. Mortise and tenon connection block of the chair legs; 601. Mortise and tenon projection; 602. Mortise and tenon connection groove. Specific embodiments

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model.

[0024] Therefore, the following detailed description of the embodiments of the present utility model is not intended to limit the scope of the present utility model claimed, but merely represents some embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model. It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments may be combined with each other. It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0025] Embodiment 1: Please refer to Figures 1 - 3 , a Fangtian chair, comprising a chair seat 1, a chair surface 101 is provided on the chair seat 1, a mortise and tenon connection part 3 of the chair seat is provided below the chair seat 1, a chair leg 2 is mortise and tenon connected below the mortise and tenon connection part 3 of the chair seat, a cross support base 4 is provided below the chair seat 1 and in contact with the ground, a mortise and tenon socket 5 is provided on the cross support base 4, and the chair leg 2 is connected to the cross support base 4 through a mortise and tenon connection block 6 of the chair legs.

[0026] The mortise and tenon connection block 6 of the chair legs is provided with a mortise and tenon projection 601, and the mortise and tenon projection 601 is inserted into the interior of the mortise and tenon socket 5 on the base. The outer contour of the mortise and tenon projection 601 is smaller than the inner contour of the mortise and tenon socket 5 on the base. A mortise and tenon connection groove 602 is provided on the upper part of the mortise and tenon connection block 6 of the chair legs. The mortise and tenon connection groove 602 is mortise and tenon connected to the chair leg 2. Both the mortise and tenon connection groove 602 and the chair leg 2 are rectangular, and the rectangular outer contour of the chair leg 2 is smaller than the inner contour of the mortise and tenon connection groove 602. Four chair legs 2 are provided, and the angle formed by the chair legs 2 and the ground horizontal line is 75° - 85°. The mortise and tenon connection part 3 of the chair seat is circular. The chair seat 1, the mortise and tenon connection part 3 of the chair seat, the cross support base 4, and the mortise and tenon connection block 6 of the chair legs are all made of wood. The mortise and tenon socket 5 on the base is rectangular.

[0027] Through the mortise and tenon connection between the chair legs 2 and the cross-support base 4, and the angle design of 75°-85° formed between the chair legs 2 and the ground, the whole chair is more stable when bearing weight and not easy to shake, providing a more stable sitting posture support for users.

[0028] Adopting the traditional mortise and tenon connection method not only increases the connection strength between the various components of the chair, but also avoids the chemical pollution or rust problems that may be brought by using modern glues or metal connectors, making the chair structure more reliable and environmentally friendly.

[0029] The design of the mortise and tenon connection method makes the chair very convenient to assemble and disassemble. Without special tools, users can easily assemble and disassemble it according to their own needs, which is convenient for cleaning and storage.

[0030] The circular design of the mortise and tenon connection part 3 of the seat and the rectangular design of the mortise and tenon insertion holes 5 of the chair legs 2 and the base make the whole chair more beautiful and generous in appearance, meeting the requirements of modern aesthetics.

[0031] The main part of the chair is made of wooden material, which is not only environmentally friendly and pollution-free, but also the wooden material itself has natural textures and textures, providing a more comfortable and natural tactile experience for users.

[0032] Due to the adoption of the traditional mortise and tenon connection method and high-quality wooden materials, the whole chair has extremely strong durability. Even after long-term use, it is not easy to deform or be damaged.

[0033] The chair is reasonably designed and is suitable not only for home use, but also for various occasions such as office places and meeting rooms, providing a wider applicable space for users.

[0034] The chair legs are connected to the cross-support base 4 through the mortise and tenon connection blocks 6 of the chair legs, and the mortise and tenon connection blocks 6 of the chair legs are provided with mortise and tenon convex blocks 601, which are inserted into the interior of the base mortise and tenon insertion holes 5, making the structure of the chair more stable and not easy to shake.

[0035] The seat 1, the mortise and tenon connection part 3 of the seat, the cross-support base 4 and the mortise and tenon connection blocks 6 of the chair legs are all made of wooden materials, making the chair more environmentally friendly and at the same time increasing the service life of the chair.

[0036] The design inspiration of the chair comes from the shape of a wine bottle opener. It imitates the general shape of the bottle opener to design two legs to support the seat surface 101, just like a person's two legs standing upright, implying that one can "sit flat on the chair".

[0037] The chair is provided with four chair legs 2, and the angle formed between the chair legs 2 and the ground horizontal line is 75°-85°, which conforms to the ergonomic design and makes the user more comfortable when sitting.

[0038] The chair adopts a pure mortise and tenon structure without using a single screw. It consists of a total of 15 wooden board components and is assembled using through tenons, making it more convenient for handling and assembly.

[0039] The chair features a simple and elegant design without any redundant decorations, embodying a modern minimalist design style.

[0040] Usage process of the Fangtian chair and mortise and tenon connection assembly steps

[0041] I. Usage process

[0042] Preparation stage:

[0043] Take out each component of the Fangtian chair, namely the seat 1, the chair surface 101, the seat mortise and tenon connection part 3, the chair legs 2, the chair leg mortise and tenon connection blocks 6, and the cross support base 4, and place them on a flat ground.

[0044] Check whether each component is in good condition, without any damage or missing parts.

[0045] Assembly stage:

[0046] Connect the chair legs 2 to the cross support base 4 through the chair leg mortise and tenon connection blocks 6 in accordance with the mortise and tenon connection method. Ensure that the mortise and tenon protrusion 601 is inserted into the base mortise and tenon socket 5 and the connection is tight and stable.

[0047] Place the seat 1 on the seat mortise and tenon connection part 3 to ensure a tight fit between the seat 1 and the seat mortise and tenon connection part 3.

[0048] Place the assembled chair legs 2 and cross support base 4 under the seat 1, so that the seat mortise and tenon connection part 3 and the chair legs 2 are tightly connected through the mortise and tenon connection method.

[0049] Adjustment stage:

[0050] Check whether the chair is stable. If necessary, slightly adjust the angle of the chair legs 2 to ensure that the chair is placed stably.

[0051] Gently shake the chair to check whether the connections of all components are firm without any shaking.

[0052] Usage stage:

[0053] Sit on the chair surface 101 and feel the stability and comfort of the chair.

[0054] Normally use the chair. If necessary, clean and maintain it regularly to keep the chair in good condition.

[0055] II. Mortise and tenon connection assembly steps

[0056] Prepare components:

[0057] Take out components such as chair legs 2, chair leg mortise and tenon connecting blocks 6, and cross support bases 4.

[0058] Assembly of chair leg 2 and chair leg mortise and tenon connecting block 6:

[0059] Align the upper mortise and tenon connecting groove 602 of the chair leg mortise and tenon connecting block 6 with the rectangular contour of the chair leg 2, ensure that the chair leg 2 is completely inserted into the mortise and tenon connecting groove 602, and the connection is tight.

[0060] Assembly of chair leg mortise and tenon connecting block 6 and cross support base 4:

[0061] Align the mortise and tenon convex block 601 at the lower part of the chair leg mortise and tenon connecting block 6 with the base mortise and tenon socket 5 of the cross support base 4.

[0062] Gently push in the mortise and tenon convex block 601 to make it completely inserted into the interior of the base mortise and tenon socket 5. Since the outer contour of the mortise and tenon convex block 601 is smaller than the inner contour of the base mortise and tenon socket 5, it can be smoothly inserted and connected.

[0063] Inspection and adjustment:

[0064] Check whether the connection between the chair leg 2 and the cross support base 4 is firm without shaking.

[0065] If necessary, slightly adjust the angle of the chair leg 2 to ensure that the chair is placed stably.

[0066] Assembly of chair seat 1:

[0067] Place the assembled part of the chair leg 2 and the cross support base 4 under the chair seat 1.

[0068] Make the chair seat mortise and tenon connecting part 3 and the chair leg 2 be tightly connected by mortise and tenon connection method to complete the assembly of the whole chair.

[0069] The above embodiments are only used to illustrate the present invention rather than to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above respective embodiments, the present invention is not limited to the above specific implementation manners. Therefore, any modification or equivalent replacement to the present invention; and all technical solutions and their improvements that do not depart from the spirit and scope of the invention are covered by the scope of the claims of the present invention.

Claims

1. A Fangtian chair, comprising a chair seat (1), and a chair surface (101) is arranged on the chair seat (1), characterized in that, A chair seat tenon and mortise connection part (3) is arranged below the chair seat (1). A chair leg (2) is tenon and mortise connected below the chair seat tenon and mortise connection part (3). A cross support base (4) is arranged below the chair seat (1) and in contact with the ground. A base tenon and mortise socket (5) is arranged on the cross support base (4). The chair leg (2) is connected to the cross support base (4) through a chair leg tenon and mortise connection block (6).

2. The Tian chair according to claim 1, characterized in that, The chair leg tenon and mortise connection block (6) is provided with a tenon and mortise projection (601), and the tenon and mortise projection (601) is inserted into the interior of the base tenon and mortise socket (5).

3. The Tian chair according to claim 2, characterized in that, The outer contour of the tenon and mortise projection (601) is smaller than the inner contour of the base tenon and mortise socket (5).

4. A Fangtian chair according to claim 3, characterized in that, The upper part of the chair leg tenon and mortise connection block (6) is provided with a tenon and mortise connection groove (602).

5. A Fangtian chair according to claim 4, characterized in that, The tenon and mortise connection groove (602) is tenon and mortise connected to the chair leg (2).

6. A Fangtian chair according to claim 5, characterized in that, Both the tenon and mortise connection groove (602) and the chair leg (2) are rectangular, and the rectangular outer contour of the chair leg (2) is smaller than the inner contour of the tenon and mortise connection groove (602).

7. A Fangtian chair according to claim 6, characterized in that, Four chair legs (2) are provided, and the angle formed by the chair legs (2) and the ground horizontal line is 75° - 85°.

8. A Fangtian chair according to claim 7, characterized in that, The chair seat tenon and mortise connection part (3) is circular.

9. The Fangtian chair according to claim 8, characterized in that, Both the chair seat (1), the chair seat tenon and mortise connection part (3), the cross support base (4), and the chair leg tenon and mortise connection block (6) are made of wood material.

10. A Fangtian chair according to claim 9, characterized in that, The base tenon and mortise socket (5) is rectangular.

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