CN2662746Y

CN2662746Y - Improved structure of metal chair back

Info

Publication number: CN2662746Y
Application number: CN 03284434
Authority: CN
Inventors: 李德文
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-05-22
Filing date: 2003-09-23
Publication date: 2004-12-15
Anticipated expiration: 2013-09-23

Abstract

The utility model relates to a metal chair, providing an improvement in the structure of the metal chair back. The top beam arranged on the top of the chair back rack is dismountable; the metal chair includes a chair frame, a seat mat and a backrest mat, with the chair frame provided with two backrest side tubes and a top beam to form the structure of the backrest frame. The utility model is characterized in: the two ends of the top beam are respectively provided with a plug which is able to be inserted into a; the structure of the backrest frame comes into being through the insertion of the two plugs into the upper ports of the two backrest side tubes; the top beam is of an integrated structure through cast and is able to be produced into various shapes such an arch, a curly bracket, etc. The metal chair of the utility model has beautiful appearance and is able to be compared with an elegant wood chair.

Description

A kind of structural improvement of the metal chair back

Technical field

The utility model relates to furniture, particularly metallic chair.

Background technology

Metallic chair is flexible and changeable with its moulding, environmental protection, good looking appearance and robust advantage more and more are subjected to people's favor, in the making of metallic chair, the chair frame is generally metal tube welding or casting, present seat place is equipped with the seat cushion of cloth or leather work, in most metallic chair, the backing cushion that cloth or leather are done also is installed on the back rest.

In the design of existing metallic chair back rest, method commonly used is that the head piece of chair back rack the top is made the installation interconnection system, using shape connector to insert in the side column pipe of head piece pipe and back rest makes it to be connected, this method of attachment has the characteristics of easy installation and removal, its shortcoming is: head piece is a tubular structure, be difficult to make moulding attractive in appearance, the attractive in appearance of chair put in order in influence.

The utility model content

The purpose of this utility model is the structural improvement that proposes a kind of metal chair back, mainly be the head piece structure of improving on the existing metallic chair back rest, by meticulous shape-designing to this head piece, the feasible chair back frame that constitutes with this head piece, good looking appearance, thus the outward appearance of putting in order chair improved.

The purpose of this utility model realizes by following technical solution:

A kind of structural improvement of the metal chair back, the head piece of the chair back frame the top of metallic chair is made removable installing type, described metallic chair comprises chair frame, seat cushion and backing cushion, chair has set up by two backrest side column pipes and a head piece and has constituted the chair back frame, it is characterized in that: the two ends of head piece are provided with the plug that can insert backrest side column pipe, the vertical header of head piece is inserted in the backrest side column pipe upper port formed the chair back frame;

Described head piece is the casting integrative-structure;

Further design is that the plug of head piece is a hollow structure;

Further design is that the head piece middle part is provided with the casting groove;

Further design is that upper end side at backrest side column pipe has screw hole again, and with the screw hole of screw by backrest side column pipe upper end with head piece and the backrest side column pipe chair back frame that is composed of a fixed connection.

With accompanying drawing the utility model is further described below:

The drawing explanation

Fig. 1 is a profile schematic diagram of the present utility model;

Fig. 2 is a structure broken away view of the present utility model.

Fig. 3 is the head piece stereogram of a casting integrative-structure.

Among the figure: 1-chair frame, 2-seat cushion, 3-backing cushion, 4-head piece, 11-backrest side column pipe, 41-plug, 5-Screw, 42-plug casting hole, 43-crossbeam casting groove.

The specific embodiment

The structure of a kind of metallic chair as shown in Figures 2 and 3, it is made of chair frame 1 and seat cushion 2, and chair frame 1 is provided with by two backrest side column pipes 11 and the chair back frame that head piece 4 constitutes, and in chair back frame installed inside backing cushion 3 is arranged, head piece 4 is made the installing type structure, it is characterized in that:

Described head piece 4 is Shape structure, its two ends are provided with the vertical header 41 that can insert backrest side column pipe 11 upper port, and described head piece 4 is the casting integrative-structure, and for weight reduction and saving material, two plugs 41 are provided with casting hole 42, and crossbeam 4 middle parts are provided with crossbeam casting groove 43.

Inboard, upper end at backrest side column pipe 11 has screw hole, the vertical header 41 of head piece 4 is inserted the upper port of backrest side column pipe 11, and head piece 4 is fixedlyed connected composition metallic chair as shown in Figure 1 by the screw hole of backrest side column pipe 11 upper ends with backrest side column pipe 11 with primary screw 5.

Head piece can be designed to various moulding, for example the circular arch type, type or the like owing to be casting, the shape-designing of head piece is to implement easily.

The utility model passes through the integrative-structure to the well-designed and casting of chair back head piece, with the metallic chair of this head piece combination, has strengthened the aesthetic appearance of metallic chair greatly, and it can compare favourably with the wooden chair of elegance.

Claims

1. the structural improvement of a metal chair back, the head piece (4) of the chair back frame the top of metallic chair is made removable installing type, described metallic chair comprises chair frame (1), seat cushion (2) and backing cushion (3), chair frame (1) is provided with the chair back frame that is made of two backrest side column pipes (11) and a head piece (4), it is characterized in that: the two ends of head piece (4) are provided with the plug (41) that can insert backrest side column pipe (11), form the chair back frame in plug (41) insertion backrest side column pipe (11) upper port with head piece (4).

2. the structural improvement of a kind of metal chair back as claimed in claim 1 is characterized in that: described head piece (4) is the casting integrative-structure.

3. the structural improvement of a kind of metal chair back as claimed in claim 2 is characterized in that: the plug (41) of described head piece (4) is a hollow structure.

4. as the structural improvement of claim 2 or 3 described a kind of metal chair back, it is characterized in that: head piece (4) middle part is provided with casting groove (43).