Chair

Abstract

The utility model relates to the field of furniture, a chair comprises a chair seat body and chair legs, the lower end of the chair seat body is connected with a plurality of sleeves, the sleeves are divided into two groups, the two groups of sleeves are symmetrically distributed in the width direction of the chair seat body, the sleeves in the same group are distributed at intervals in the length direction of the chair seat body, the number of the chair legs is the same as that of the sleeves, and the chair legs are in one-to-one correspondence with the sleeves. Inserting columns are arranged at one ends of the chair legs and are in threaded connection with the interiors of the sleeves. The lower end of the chair seat body is connected with a plurality of sleeves, and the chair legs are in threaded connection with the sleeves through the inserting columns, so that the stability of connection between the chair legs and the chair seat body is improved, connection and disassembly between the chair legs and the chair seat body are facilitated, the chair legs are connected with the chair seat body during use, and the chair legs are separated from the chair seat body during transportation; the space occupied by the chair during placement and transportation is saved, and the space utilization rate of the chair is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of furniture, in particular to a chair. BACKGROUND

[0002] The chair is a kind of furniture for people to sit and rest, and it has strong practicability. Each room in daily life will be equipped with a chair. The chair first appeared in the Tang Dynasty, and its image can be traced back to the Hu bed introduced to the north during the Han and Wei Dynasties. Modern chairs are generally composed of a backrest, a seat plate and chair legs. Most parts of the chair are often connected by mortise and tenon structure, fixed by screws or integrally formed.

[0003] However, when transporting or storing the chair, the chair legs are fixed to the lower end of the chair surface, which requires a large space for transportation and storage of the chair, causing many inconveniences to people. CONTENT OF THE UTILITY MODEL

[0004] In order to realize the disassembly of the chair, facilitate transportation and carrying, and save the space occupied during storage and transportation, the present application provides a chair.

[0005] The chair provided by the present application adopts the following technical scheme:

[0006] A chair comprises a seat body and chair legs, the lower end of the seat body is connected with a plurality of sleeves, the plurality of sleeves are divided into two groups, the two groups of sleeves are symmetrically distributed along the width direction of the seat body, and the plurality of sleeves in the same group are distributed at intervals along the length direction of the seat body, the number of the chair legs is the same as that of the sleeves and each chair leg corresponds to one sleeve, one end of each chair leg is provided with a plug-in column, and the plug-in column is threadedly connected in the sleeve.

[0007] By adopting the above technical scheme, the lower end of the seat body is connected with a plurality of sleeves, and the chair legs are threadedly connected with the sleeves through the plug-in columns, thereby improving the stability of the connection between the chair legs and the seat body, facilitating the connection and disassembly of the chair legs and the seat body, connecting the chair legs and the seat body during use, separating the chair legs and the seat body during transportation, saving the space occupied during storage and transportation of the chair, and improving the space utilization rate of the chair.

[0008] Preferably, the end of the sleeve away from the seat body is coaxially connected with an extension pipe, the extension pipe is sleeved on the outer periphery of the plug-in column, and the end of the extension pipe away from the sleeve is used to abut against the end of the chair leg close to the plug-in column.

[0009] By adopting the above technical scheme, the extension pipe is arranged, the plug-in column is first embedded in the extension pipe, and then the chair leg is rotated to realize the thread connection between the plug-in column and the sleeve, the extension pipe is sleeved on the outer periphery of the plug-in column, thereby improving the stability of the connection between the chair legs and the seat body and improving the structural strength of the chair.

[0010] Preferably, the four sleeves are arranged with the lower end of any one of the sleeves being inclined away from the other sleeve in the same group.

[0011] By adopting the above technical scheme, the lower ends of the two sleeves in the same group are arranged to be inclined away from the other sleeve in the same group, so that the chair legs connected to the two sleeves and the ground form a triangle, thereby improving the stability of the chair, reducing the possibility of the chair falling along the length direction of the seat body, and improving the safety of the chair.

[0012] Preferably, the end of the chair leg away from the insertion column is in a ball shape.

[0013] By adopting the above technical scheme, when the lower end of the chair leg is a plane perpendicular to the axis of the chair leg, the ground reaction force acting on the lower end of the chair leg is easy to cause the abutting part of the chair leg and the ground to deform, and when the lower end of the chair leg is a plane parallel to the ground, the lower end of the chair leg cannot be fitted to the ground when the chair leg is excessively rotated or insufficiently rotated, thereby affecting the stability of the chair. The end of the chair leg away from the insertion column is in a ball shape, which helps the ground reaction force acting on the chair leg to be dispersed through the center of the ball and then act on the whole chair leg, thereby reducing the possibility of the lower end of the chair leg being damaged due to excessive local stress, and improving the service life of the chair leg.

[0014] Preferably, the seat body comprises a seat plate part, a seat back part, an armrest part, and a rattan woven layer, the seat plate part, the seat back part, and the armrest part are formed by bending a pipe material, the two ends of the seat back part are connected to the armrest part and the seat plate part respectively, the seat back part is provided with two seat back parts, the two seat back parts are symmetrically distributed along the width direction of the seat body, the two ends of the seat plate part are located on the side of the seat plate part close to the seat back part, the two sleeves are connected to the two ends of the seat plate part, the two ends of the armrest part are located on the side of the seat plate part away from the seat back part, and the other two sleeves are connected to the two ends of the armrest part, and the rattan woven layer is connected between the seat plate part, the seat back part, and the armrest part.

[0015] By adopting the above technical scheme, the seat body is composed of the seat plate part, the seat back part, the armrest part, and the rattan woven layer, the seat plate part, the seat back part, and the armrest part are formed by bending a pipe material, which conforms to ergonomics, can effectively disperse pressure, improve the load-bearing capacity of the chair, and improve the stability and structural strength of the chair.

[0016] Preferably, the seat plate part, the seat back part, and the armrest part adopt a circular pipe structure.

[0017] By adopting the above technical scheme, the bending of the circular pipe helps the chair to conform to ergonomics and improve the comfort of the user, the circular pipe helps to reduce the quality of the chair, facilitating the transportation and carrying of the chair, and the uniform wall thickness and smooth inner and outer surfaces of the circular pipe have higher compression resistance and fatigue resistance, thereby improving the service life of the chair.

[0018] Preferably, the seat body further comprises a first reinforcing pipe and a second reinforcing pipe, two ends of the first reinforcing pipe are respectively connected to two ends of the armrest part, the first reinforcing pipe abuts against a lower end of the seat plate part, and two ends of the second reinforcing pipe are respectively connected to two ends of the seat plate part.

[0019] By adopting the above technical scheme, the first reinforcing pipe and the second reinforcing pipe are arranged, the structural strength of the seat body is improved, the load-bearing performance of the chair is improved, and the service life and safety of the chair are improved.

[0020] Preferably, an elbow pad is connected to the outer periphery of the armrest part, two elbow pads are provided, and the two elbow pads are symmetrically distributed along the width direction of the seat body.

[0021] By adopting the above technical scheme, the elbow pad is arranged for placing the forearm and elbow of the user, and the ergonomic design principle is met. The elbow pad plays a buffering role on the forearm and elbow of the user, reduces the possibility that the forearm and elbow of the user directly contact the armrest part, and improves the use experience of the user.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. A plurality of sleeves are connected to the lower end of the seat body, the chair leg is threadedly connected with the sleeve through the insertion column, the stability of the connection between the chair leg and the seat body is improved, the connection and disconnection between the chair leg and the seat body are facilitated, the chair leg is connected with the seat body during use, the chair leg is separated from the seat body during transportation, the space occupied by the chair during storage and transportation is saved, the space utilization rate of the chair is improved;

[0024] 2. The extension pipe is arranged, the insertion column is first embedded in the extension pipe, and then the chair leg is rotated to realize the threaded connection between the insertion column and the sleeve. The extension pipe is sleeved on the outer periphery of the insertion column, the stability of the connection between the chair leg and the seat body is improved, and the structural strength of the chair is improved;

[0025] 3. When the lower end of the chair leg is a plane perpendicular to the axis of the chair leg, the chair leg is easily deformed at the abutting position between the lower end of the chair leg and the ground. When the lower end of the chair leg is a plane parallel to the ground, the lower end of the chair leg cannot be fitted with the ground when the chair leg is excessively rotated or insufficiently rotated, which affects the stability of the chair. The end of the chair leg away from the insertion column is in the shape of a ball, which helps the ground reaction force of the chair leg to be dispersed through the ball center and the whole chair leg, reduces the possibility that the lower end of the chair leg is damaged due to excessive local stress, and improves the service life of the chair leg. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of a chair.

[0027] Figure 2 is a partial sectional view of a chair.

[0028] Figure 3 is a schematic view of a partial exploded structure of a chair.

[0029] BRIEF DESCRIPTION OF DRAWINGS

[0030] 1, chair body; 11, sleeve; 111, internal thread; 12, extension pipe; 13, seat part; 14, back part; 15, armrest part; 16, first reinforcing pipe; 17, second reinforcing pipe; 18, rattan woven layer;

[0031] 2, chair leg; 21, insertion column; 211, external thread;

[0032] 3, elbow pad. DETAILED DESCRIPTION

[0033] The present application will be further described in detail below with reference to the accompanying drawings.

[0034] Referring to Figure 1 , the present application discloses a chair comprising a chair body 1 and an elbow pad 3, the chair body 1 comprising a seat part 13, a back part 14, an armrest part 15 and a rattan woven layer 18, the seat part 13, the back part 14 and the armrest part 15 being in a circular tube structure, and the seat part 13, the back part 14 and the armrest part 15 being formed by bending a circular tube. The armrest part 15 is located above the seat part 13, and the two ends of the back part 14 are respectively fixedly connected to the armrest part 15 and the seat part 13, and the back part 14 is provided with two, and the two back parts 14 are symmetrically distributed along the width direction of the chair body 1. The two ends of the seat part 13 along the length direction of the seat part 13 are located on the side of the seat part 13 close to the back part 14, and the two ends of the seat part 13 are inclined downward. The two ends of the armrest part 15 along the length direction of the armrest part 15 are located on the side of the seat part 13 away from the back part 14, and the two ends of the armrest part 15 are located on the two sides of the back part 14 along the width direction of the chair body 1. The rattan woven layer 18 is fixedly connected between the seat part 13, the back part 14 and the armrest part 15. The elbow pad 3 is fixedly connected to the outer periphery of the armrest part 15, and the elbow pad 3 is provided with two, and the two elbow pads 3 are symmetrically distributed along the width direction of the chair body 1.

[0035] Referring to Figure 1 and Figure 2The seat body 1 further comprises sleeve pipes 11, a first reinforcing pipe 16 and a second reinforcing pipe 17. The sleeve pipes 11 are provided in a plurality of numbers, and the plurality of sleeve pipes 11 are divided into two groups. The two groups of sleeve pipes 11 are symmetrically distributed along the width direction of the seat body 1. The plurality of sleeve pipes 11 in the same group are spaced apart along the length direction of the seat body 1. In the embodiment, four sleeve pipes 11 are provided. Two sleeve pipes 11 are coaxially connected to the two ends of the seat plate part 13. The other two sleeve pipes 11 are coaxially fixedly connected to the two ends of the armrest part 15. The lower end of any sleeve pipe 11 in the same group is obliquely arranged away from the other sleeve pipe 11 in the same group. The first reinforcing pipe 16 and the second reinforcing pipe 17 are circular pipes. The axis direction of the first reinforcing pipe 16 and the second reinforcing pipe 17 is parallel to the width direction of the seat body 1. The two ends of the first reinforcing pipe 16 are fixedly connected to the two ends of the armrest part 15. The first reinforcing pipe 16 abuts against the lower end of the seat plate part 13 away from the back part 14. The two ends of the second reinforcing pipe 17 are fixedly connected to the two ends of the seat plate part 13.

[0036] With reference to Figure 1 and Figure 3 , the chair further comprises chair legs 2. The number of the chair legs 2 is the same as the number of the sleeve pipes 11 and one-to-one correspondence. The sleeve pipe 11 is recessed inward to form an internal thread 111. One end of the chair leg 2 is coaxially fixedly connected with a plug-in column 21. The connection between the plug-in column 21 and the chair leg 2 is a circular arc transition. The outer periphery of the plug-in column 21 is provided with an external thread 211.

[0037] With reference to Figure 2 and Figure 3 , the plug-in column 21 is coaxially threadedly connected in the sleeve pipe 11. The external thread 211 cooperates with the internal thread 111. In the embodiment, the chair leg 2 is a circular pipe structure. The lower end of the sleeve pipe 11 is coaxially fixedly connected with an extension pipe 12. The extension pipe 12 is coaxially sleeved on the outer periphery of the plug-in column 21. The inner wall of the extension pipe 12 is in close contact with the outer wall of the plug-in column 21. The end of the extension pipe 12 away from the sleeve pipe 11 is used for abutting against the end of the chair leg 2 close to the plug-in column 21.

[0038] With reference to Figure 1 and Figure 3 , the end of the chair leg 2 away from the plug-in column 21 is in the shape of a ball head. The end of the chair leg 2 away from the plug-in column 21 is used for abutting against the ground. In another embodiment, the end of the chair leg 2 away from the plug-in column 21 is fixedly connected with a support block. One end of the support block is used for embedding in the end of the chair leg 2 away from the plug-in column 21. The support block is in interference fit with the inner wall of the chair leg 2. The other end of the support block is in the shape of a ball head.

[0039] The implementation principle of the chair in the embodiment of the application is as follows: in use, the plug-in column 21 is embedded in the extension pipe 12. The chair leg 2 is rotated so that the external thread 211 cooperates with the internal thread 111. Four chair legs 2 are sequentially connected to realize the assembly of the chair.

[0040] When storing or transporting, the chair leg 2 is rotated so that the insertion post 21 is separated from the sleeve 11, and the chair leg 2 is placed between the chair plate portion 13 and the armrest portion 15.

[0041] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, and thus: any equivalent changes made according to the structure, shape, principle of the present application should be encompassed within the protection scope of the present application.

Claims

1. A chair, characterized by: The application relates to a chair leg connecting structure, which comprises a chair seat body (1) and chair legs (2); the lower end of the chair seat body (1) is connected with a plurality of sleeves (11); the sleeves (11) are divided into two groups; the sleeves (11) in the two groups are symmetrically distributed along the width direction of the chair seat body (1); the sleeves (11) in the same group are spacedly distributed along the length direction of the chair seat body (1); the number of the chair legs (2) is the same as that of the sleeves (11) and the chair legs (2) are in one-to-one correspondence; one end of the chair leg (2) is provided with a plug-in column (21); the plug-in column (21) is screw-connected in the sleeve (11).

2. The chair of claim 1, wherein: The end, away from the chair seat body (1), of the sleeve (11) is coaxially connected with an extension pipe (12); the extension pipe (12) is sleeved on the outer periphery of the plug-in column (21); the end, away from the sleeve (11), of the extension pipe (12) is used for abutting against the end, close to the plug-in column (21), of the chair leg (2).

3. The chair of claim 1, wherein: The sleeve (11) is provided with four sleeves; the lower end of any sleeve (11) in the same group is obliquely arranged away from the other sleeve (11) in the same group.

4. The chair of claim 3, wherein: The end, away from the plug-in column (21), of the chair leg (2) is in the shape of a ball head.

5. The chair of claim 3, wherein: The chair seat body (1) comprises a chair plate part (13), a chair back part (14), an armrest part (15) and a rattan woven layer (18); the chair plate part (13), the chair back part (14) and the armrest part (15) are formed by bending pipe materials; the two ends of the chair back part (14) are respectively connected with the armrest part (15) and the chair plate part (13); the chair back part (14) is provided with two chair back parts (14); the two chair back parts (14) are symmetrically distributed along the width direction of the chair seat body (1); the two ends of the chair plate part (13) are located on the side of the chair plate part (13) close to the chair back part (14); the two sleeves (11) are connected with the two ends of the chair plate part (13); the two ends of the armrest part (15) are located on the side of the chair plate part (13) away from the chair back part (14); the other two sleeves (11) are connected with the two ends of the armrest part (15); the rattan woven layer (18) is connected between the chair plate part (13), the chair back part (14) and the armrest part (15).

6. The chair of claim 5, wherein: The chair plate part (13), the chair back part (14) and the armrest part (15) adopt a circular pipe structure.

7. The chair of claim 5, wherein: The chair seat body (1) further comprises a first reinforcing pipe (16) and a second reinforcing pipe (17); the two ends of the first reinforcing pipe (16) are respectively connected with the two ends of the armrest part (15); the first reinforcing pipe (16) abuts against the lower end of the chair plate part (13); the two ends of the second reinforcing pipe (17) are respectively connected with the two ends of the chair plate part (13).

8. The chair of claim 5, wherein: The outer periphery of the armrest part (15) is connected with elbow pads (3); the elbow pads (3) are provided with two elbow pads (3); the two elbow pads (3) are symmetrically distributed along the width direction of the chair seat body (1).

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