CN212574537U

CN212574537U - Connecting structure of chair

Info

Publication number: CN212574537U
Application number: CN202021178152.8U
Authority: CN
Inventors: 李文军
Original assignee: Heshan Hongli Huayuan Furniture Manufacturing Co ltd
Current assignee: Heshan Hongli Huayuan Furniture Manufacturing Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-02-23
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a connecting structure of a chair, which comprises a lower chair frame with a metal structure, a seat plate with a wood structure supported by the lower chair frame and an upper chair frame with a backrest-shaped metal structure, wherein the tail end of the upper chair frame is fixedly welded with a metal strip corresponding to the end surface of the seat plate, the end surface of the seat plate is provided with a groove corresponding to the metal strip, and the upper chair frame is clamped with the inside of the groove through the metal strip; a through hole is formed in the seat plate corresponding to the groove, a stainless steel nut is arranged at the bottom of the metal strip corresponding to the through hole, and a locking screw is spirally arranged at the bottom of the seat plate corresponding to the stainless steel nut; the top of the chair lower frame is of a cross structure, screw holes are formed in the top of the chair lower frame, and locking screws II are spirally mounted on the chair lower frame corresponding to the seat plate. The connecting structure of the chair has the advantages of novel structure, unique shape, improvement of the aesthetic property of the chair, convenience in assembling the chair and improvement of the assembling efficiency of the chair.

Description

Connecting structure of chair

Technical Field

The utility model relates to a chair technical field specifically is a connection structure of chair.

Background

The chair is one of articles for daily use that people used in life, and when the chair production equipment, the structure of adopting welding, or grafting etc. to install more, and the chair of grafting structure needs to be fixed through screw etc. assistance once more, and the equipment is comparatively complicated, and the packaging efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connection structure of chair has novel structure, and the molding is unique, improves the chair aesthetic property to being convenient for to the chair equipment, improving the advantage to chair packaging efficiency, when having solved current chair production equipment, adopting welding more, or grafting isotructure to install, the chair of grafting structure need be once more through supplementary fixed such as screws, and the equipment is comparatively complicated, problem that packaging efficiency is low.

In order to achieve the above object, the utility model provides a following technical scheme: a connecting structure of a chair comprises a lower chair frame with a metal structure, a seat plate with a wood structure and an upper chair frame with a backrest-shaped metal structure, wherein the lower chair frame is supported by the lower chair frame, the upper chair frame is bent through a round pipe with the metal structure to be in an arc shape, a metal strip corresponding to the end face of the seat plate is fixedly welded at the tail end of the upper chair frame, a groove corresponding to the metal strip is formed in the end face of the seat plate, and the upper chair frame is clamped with the inside of the groove through the metal strip;

a through hole is formed in the seat plate corresponding to the groove, a stainless steel nut is arranged at the bottom of the metal strip corresponding to the through hole, and a locking screw is spirally arranged at the bottom of the seat plate corresponding to the stainless steel nut;

the top of the chair lower frame is of a cross structure, screw holes are formed in the top of the chair lower frame, and locking screws II are spirally mounted on the chair lower frame corresponding to the seat plate.

Furthermore, the chair upper frame is bent into an arc shape through a plurality of metal round pipes and is welded.

Furthermore, the seat plate is provided with a wood tooth nut corresponding to the second locking screw, and the tail end of the second locking screw is connected and arranged through the wood tooth nut.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a bottom welding metal strip at the chair upper ledge to through metal strip and seat installation, through the cooperation between chair lower carriage, chair upper ledge, seat, metal strip, recess, stainless steel nut, locking screw, screw hole, the locking screw two, realized a connection structure of the chair of being convenient for to the chair equipment, effectively improved chair packaging efficiency, and the auxiliary fixtures when reducing the chair equipment, reduce chair equipment cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is an enlarged view of the chair upper frame and the seat plate;

FIG. 4 is an enlarged view of the installation structure of the lower frame and the seat plate of the chair of the present invention;

fig. 5 is a schematic view of the structure of the splicing part of the upper frame of the chair.

In the figure: 1. a lower frame of the chair; 2. a seat plate; 3. putting the chair on a frame; 4. a metal strip; 5. a groove; 6. a through hole; 7. a stainless steel nut; 8. locking screws; 9. a screw hole; 10. a second locking screw; 11. wood tooth nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a connection structure of a chair comprises a lower chair frame 1 of a metal structure, a seat plate 2 of a wood structure supported by the lower chair frame 1, and an upper chair frame 3 of a backrest-shaped metal structure, wherein the upper chair frame 3 is bent in an arc shape through a circular tube of the metal structure, a metal strip 4 corresponding to an end surface of the seat plate 2 is fixedly welded to a tail end of the upper chair frame 3, a groove 5 corresponding to the metal strip 4 is formed in the end surface of the seat plate 2, and the upper chair frame 3 is clamped with the inside of the groove 5 through the metal strip 4;

a through hole 6 is formed in the seat plate 2 corresponding to the groove 5, a stainless steel nut 7 is arranged at the bottom of the metal strip 4 corresponding to the through hole 6, and a locking screw 8 is spirally arranged at the bottom of the seat plate 2 corresponding to the stainless steel nut 7;

the top of the chair lower frame 1 is of a cross structure, a screw hole 9 is formed in the top of the chair lower frame 1, and a locking screw II 10 is spirally arranged on the chair lower frame 1 corresponding to the seat plate 2.

Specifically, the chair upper frame 3 is bent into an arc shape through a plurality of metal round pipes and is welded.

Specifically, the seat plate 2 is provided with a wood tooth nut 11 corresponding to the second locking screw 10, and the tail end of the second locking screw 10 is supported and arranged through the wood tooth nut 11.

During the use, chair upper bracket 3's bottom welding metal strip 4, in the recess 5 of 2 terminal surfaces of seat were gone into to metal strip 4 card, stainless steel nut 7 spiral installation locking screw 8 through seat 2 bottom, it is fixed between seat 2 and chair upper bracket 3 through locking screw 8, chair upper bracket 3 places in the top of chair lower bracket 1 through seat 2, two 10 locking screws pass screw hole 9 and wood tooth nut 11 spiral fixings through the bottom of seat 2, realize the fixed between chair lower bracket 1 and the seat 2, the improvement is to chair packaging efficiency.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connection structure of chair, includes metal construction's chair lower carriage (1), through chair lower carriage (1) support's wooden structure's seat (2) and back form metal construction's chair upper ledge (3), its characterized in that: the chair upper frame (3) is bent into an arc shape through a circular tube of a metal structure, a metal strip (4) corresponding to the end face of the seat plate (2) is fixedly welded at the tail end of the chair upper frame (3), a groove (5) corresponding to the metal strip (4) is formed in the end face of the seat plate (2), and the chair upper frame (3) is clamped with the inside of the groove (5) through the metal strip (4);

a through hole (6) is formed in the seat plate (2) corresponding to the groove (5), a stainless steel nut (7) is arranged at the bottom of the metal strip (4) corresponding to the through hole (6), and a locking screw (8) is spirally arranged at the bottom of the seat plate (2) corresponding to the stainless steel nut (7);

the top of chair lower carriage (1) is cross structure, and screw hole (9) have been seted up at the top of chair lower carriage (1), chair lower carriage (1) corresponds seat (2) spiral mounting and has locking screw two (10).

2. A connecting structure of a chair as claimed in claim 1, wherein: the chair upper frame (3) is bent into an arc shape through a plurality of metal round pipes and is welded.

3. A connecting structure of a chair as claimed in claim 1, wherein: the seat plate (2) is provided with a wood tooth nut (11) corresponding to the second locking screw (10), and the tail end of the second locking screw (10) is connected and arranged through the wood tooth nut (11).