CN211608822U

CN211608822U - High-strength chair frame

Info

Publication number: CN211608822U
Application number: CN202020013016.7U
Authority: CN
Inventors: 潘琦; 吴雄伟; 代明峰
Original assignee: Zhejiang Demu Furniture Co ltd
Current assignee: Zhejiang Demu Furniture Co ltd; Zhejiang Demure Furniture Co Ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-10-02
Anticipated expiration: 2030-01-06

Abstract

The utility model belongs to the technical field of furniture and discloses a high-strength chair frame which comprises a support frame made of metal and four wooden chair legs, wherein the support frame comprises a support frame and four support pieces connected to the bottom of the support frame, the support pieces are uniformly distributed on the outer edge of the bottom surface of the support frame, one ends of the support pieces, which are not connected with the support frame, are provided with inserting holes, the chair legs comprise support legs and inserting columns connected to the upper ends of the support legs, and the inserting columns are matched and connected with the inserting holes; the high-strength chair frame further comprises a reinforcing ring, and the reinforcing ring is arranged in a space surrounded by the four chair legs and is respectively connected with the four chair legs. The chair legs are detachably connected with the supporting pieces, so that the connection between the wooden chair legs and the metal supporting frame is realized, the supporting strength of the chair is improved, and the chair is convenient to disassemble and assemble; four chair legs are connected through setting up the beaded finish, improve the stability of chair frame, and the chair leg is difficult for receiving the exogenic action and rocks to inboard or outside, and the support effect of chair frame is good.

Description

High-strength chair frame

Technical Field

The utility model relates to a house technical field especially relates to a high strength chair frame.

Background

The most important functions of the seat are that people can rest conveniently, a user can sit in a comfortable sitting posture, and the quality, the cost, the portability, the service life and the like of the seat are directly influenced by the seat frame with reasonable design.

Most of the existing chair frames are made of single metal by welding or wood, and when the single metal is adopted, the chair frames have single shape, cold color and high cost; when the wooden chair is made of wood, the traditional chair is mostly a four-foot chair, and the four feet are fixed on the chair seat, so that the connection strength between the chair feet of the all-wooden chair and the chair seat is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength chair frame, support effect is good.

To achieve the purpose, the utility model adopts the following technical proposal: a high-strength chair frame comprises a support frame made of metal and four wooden chair legs, wherein the support frame comprises a support frame and four supporting pieces connected to the bottom of the support frame, the supporting pieces are uniformly distributed on the outer edge of the bottom surface of the support frame, one ends of the supporting pieces, which are not connected with the support frame, are provided with inserting holes, the chair legs comprise support legs and inserting columns connected to the upper ends of the support legs, and the inserting columns are connected with the inserting holes in a matched mode; the high-strength chair frame further comprises reinforcing rings, wherein the reinforcing rings are arranged in the space surrounded by the four chair legs and are respectively connected with the four chair legs.

Preferably, the high-strength chair frame further comprises a first connecting piece, and the first connecting piece is connected with the supporting piece and the inserting column.

Preferably, at least one side surface of the support member is provided with a connecting hole, the first connecting member comprises a first bolt and a first embedded nut, the first embedded nut is arranged on the surface of the insertion column opposite to the connecting hole, and the first bolt can penetrate into the connecting hole and then is connected with the first embedded nut in a matched mode.

Preferably, the number of the connecting holes is multiple, the connecting holes are arranged along the axial direction of the support member, and the first bolt is selectively inserted into one of the connecting holes and then is connected with the first embedded nut in a matching manner.

Preferably, the supporting member is welded to the supporting frame.

Preferably, the support frame is a rectangular frame.

Preferably, the high strength chair frame further comprises a second connecting member connecting the chair leg and the reinforcement ring.

Preferably, the second connecting member includes a second bolt and a second embedded nut, an inner line of the second embedded nut is connected to an inner side surface of the chair leg, and the second bolt penetrates through the reinforcement ring and then is connected to the second embedded nut in a matching manner.

Preferably, the longitudinal position of the reinforcement ring is located at the bottom 1/4-1/3 of the chair leg.

Preferably, the supporting frame is provided with a plurality of mounting holes for connecting the mounting seat plates.

The utility model has the advantages that: the utility model provides a high-strength chair frame, wherein a supporting frame is made of metal and has higher strength, the supporting frame is connected with a seat board of a chair, and a plurality of supporting pieces are connected with a plurality of chair legs, so that the joints of the chair legs are not easy to break, and the strength of the chair frame is improved; the chair legs are detachably connected with the supporting pieces, so that the connection between the wooden chair legs and the metal supporting frame is realized, the supporting strength of the chair is improved, the disassembly and the assembly are convenient, the occupied volume of each part is small after the disassembly, and the warehousing and logistics cost is low; four chair legs are connected through setting up the beaded finish, improve the stability of chair frame, and the chair leg is difficult for receiving the exogenic action and rocks to inboard or outside, and the support effect of chair frame is good.

Drawings

FIG. 1 is a schematic view of the structure of a high strength chair seat provided by the present invention;

FIG. 2 is a schematic structural view of a support frame of the high strength chair seat of the present invention;

fig. 3 is a schematic view of a connection structure between the legs and the supporting members of the high strength chair seat of the present invention.

In the figure: 1. a support frame; 11. a support frame; 111. mounting holes; 12. a support member; 121. connecting holes; 2. a chair leg; 21. supporting legs; 22. inserting the column; 3. a reinforcement ring; 4. a first connecting member; 41. a first embedded nut; 5. a second connecting member.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment provides a high-strength chair frame, as shown in fig. 1-3, the high-strength chair frame includes a support frame 1 made of metal and four wooden chair legs 2, the support frame 1 includes a support frame 11 and four support members 12 connected to the bottom of the support frame 11, the support members 12 are uniformly distributed on the outer edge of the bottom surface of the support frame 11, one end of each support member 12, which is not connected with the support frame 11, is provided with a plug hole, each chair leg 2 includes a support leg 21 and a plug column 22 connected to the upper end of the support leg 21, and the plug column 22 is connected with the plug hole in a matching manner; the high-strength chair frame further comprises a reinforcing ring 3, and the reinforcing ring 3 is arranged in a space surrounded by the four chair legs 2 and is respectively connected with the four chair legs 2.

The support frame 1 of the high-strength chair frame is made of metal and has high strength, the support frame 11 is provided with a plurality of mounting holes 111 connected with the mounting seat boards, the support frame 11 can be connected with the seat boards of the chair through the mounting holes 111, and the plurality of support pieces 12 are connected with the plurality of chair legs 2, so that the joints of the chair legs 2 are not easy to break, and the strength of the chair frame is improved; the chair legs 2 are detachably connected with the supporting pieces 12, so that the connection between the wooden chair legs 2 and the metal supporting frame 1 is realized, the supporting strength of the chair is improved, the disassembly and the assembly are convenient, the occupied volume of each part is small after the disassembly, and the warehousing and logistics cost is low; four chair legs 2 are connected through setting up beaded finish 3, improve the stability of chair frame, and chair leg 2 is difficult for receiving the exogenic action and rocks to inboard or the outside, and the support effect of chair frame is good.

In order to ensure the stability of the connection between the support member 12 and the leg 2, the high strength chair frame further includes a first connecting member 4, and the first connecting member 4 connects the support member 12 and the insertion post 22. After the chair legs 2 and the supporting piece 12 are inserted, the chair legs 2 and the supporting piece 12 are connected and locked through the first connecting piece 4, so that the connection reliability of the chair legs 2 and the supporting piece 12 is ensured, and the chair legs 2 cannot fall off in the moving process of the chair; when the chair legs 2 need to be detached from the supporting piece 12, the first connecting piece 4 is firstly unlocked, so that the chair legs 2 can be easily pulled away from the supporting piece 12, and the detaching and installing processes are very convenient.

At least one side surface of the supporting member 12 is provided with a connecting hole 121, the first connecting member 4 includes a first bolt and a first embedded nut 41, the first embedded nut 41 is disposed on the surface of the inserting column 22 opposite to the connecting hole 121, and the first bolt can penetrate the connecting hole 121 and then is connected with the first embedded nut 41 in a matching manner. The first insert nut 41 is inserted into the surface of the wooden leg 2 so that the leg 2 and the support 12 can be coupled to each other by the first bolt. The axis of the connecting hole 121 and the axis of the first embedded nut 41 are perpendicular to the axis of the inserting column 22, so that the inserting column 22 is not easy to be pulled away from the supporting member 12 after being connected, and the stability of connection between the supporting member 12 and the chair leg 2 is improved.

In order to adjust the height of the seat, the number of the connecting holes 121 is multiple, and the multiple connecting holes 121 are arranged along the axial direction of the supporting member 12, and the first bolt is selectively inserted into one of the connecting holes 121 and then is cooperatively connected with the first insert nut 41. The distance of insertion of the legs 2 into the support 12 and thus the height of the seat can be adjusted.

The cross-sectional shape of the support member 12 is rectangular. Specifically, the support 12 may be made of a rectangular pipe, which may be a steel pipe, an iron pipe, or the like. One end of the supporting member 12 is provided as an inclined surface which is engaged with the bottom surface of the supporting frame 11, and the supporting member 12 is welded to the supporting frame 11 as a whole.

The support frame 11 may be a rectangular frame. The included angle between the central axis of the support member 12 and the horizontal plane is 75-85 degrees. For example, the angle between the central axis of the support 12 and the horizontal plane may be 75 °, 77 °, 79 °, 80 °, 82 °, 84 °, 85 °, etc. Within the angle range, the chair legs 2 can enable the detachable chair frame to be placed stably and not to shake easily after being installed, and the detachable chair frame has a good supporting effect.

The high-strength chair frame further comprises a second connecting piece 5, and the second connecting piece 5 is connected with the chair legs 2 and the reinforcing ring 3. The second connecting piece 5 comprises a second bolt and a second embedded nut, the inner line of the second embedded nut is connected with the inner side surface of the chair leg 2, and the second bolt penetrates through the reinforcing ring 3 and then is connected with the second embedded nut in a matched mode. The chair legs 2 and the reinforcing rings 3 are detachably connected, so that the chair is convenient to disassemble and assemble, each part occupies a small volume after being disassembled, and the warehousing and logistics cost is low. The longitudinal position of the reinforcement ring 3 is located at the bottom 1/4-1/3 of the chair leg 2. In this position range, the reinforcement ring 3 can effectively reinforce the leg 2.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The high-strength chair frame is characterized by comprising a support frame (1) made of metal and four wooden chair legs (2), wherein the support frame (1) comprises a support frame (11) and four support pieces (12) connected to the bottom of the support frame (11), the support pieces (12) are uniformly distributed on the outer edge of the bottom surface of the support frame (11), one end, which is not connected with the support frame (11), of each support piece (12) is provided with a plug hole, each chair leg (2) comprises a support leg (21) and a plug column (22) connected to the upper end of the support leg (21), and the plug column (22) is connected with the plug holes in a matched mode; the high-strength chair frame further comprises reinforcing rings (3), wherein the reinforcing rings (3) are arranged in the space surrounded by the four chair legs (2) and are respectively connected with the four chair legs (2).

2. A high strength chair frame according to claim 1, further comprising a first connector (4), said first connector (4) connecting said support member (12) and said docking post (22).

3. The high-strength chair frame according to claim 2, wherein at least one side surface of the supporting member (12) is provided with a connecting hole (121), the first connecting member (4) comprises a first bolt and a first embedded nut (41), the first embedded nut (41) is arranged on the surface of the inserting column (22) opposite to the connecting hole (121), and the first bolt can be inserted into the connecting hole (121) and then is connected with the first embedded nut (41) in a matching manner.

4. The chair frame as claimed in claim 3, wherein the number of the connecting holes (121) is plural, and the plural connecting holes (121) are arranged along the axial direction of the supporting member (12), and the first bolt is selectively inserted into one of the connecting holes (121) and then is engaged with the first insert nut (41).

5. A high strength chair frame according to claim 1, wherein said support member (12) is welded to said support frame (11) as one piece.

6. A high strength chair frame according to claim 1, characterized in that the support frame (11) is a rectangular frame.

7. A high strength chair frame according to claim 1, characterized in that it further comprises a second connecting member (5), said second connecting member (5) connecting said legs (2) and said reinforcement ring (3).

8. The chair frame according to claim 7, wherein the second connecting member (5) comprises a second bolt and a second nut, the inner line of the second nut is connected to the inner side surface of the leg (2), and the second bolt is connected to the second nut after passing through the reinforcement ring (3).

9. The high strength chair frame according to claim 1, wherein the longitudinal position of the reinforcement ring (3) is located at the bottom 1/4-1/3 of the chair leg (2).

10. The chair frame as claimed in claim 1, wherein the supporting frame (11) is formed with a plurality of mounting holes (111) for connecting the mounting plates.