Plastic strip chair with metal tube frame

Abstract

The utility model relates to the technical field of metal tube frame chairs, in particular to a metal tube frame plastic strip chair which comprises side frames, a seat plate frame fixedly connected to the inner sides of the two side frames, a backrest frame fixedly connected to the inner sides of the two side frames, a first fixing hole formed in the seat plate frame and a second fixing hole formed in the backrest frame. A plastic supporting plate is fixedly installed on the seat plate frame and the backrest frame, an installation mechanism facilitating rapid installation is arranged between the backrest frame and the plastic supporting plate, the second side plates are fixedly connected to the two sides of the plastic supporting plate, and the inserting rods are fixedly connected to the bottoms of the second side plates. And the second connecting plate is fixedly connected to the bottom of the second side plate. According to the plastic strip chair with the metal tube frame, a second side plate, an inserting rod and a second connecting plate which are arranged on the plastic supporting plate are connected with the backrest frame and the limiting holes in a clamping manner, and a bolt penetrates through the first connecting plate and the second connecting plate and is inserted into a screw hole, so that the plastic seat plate main body and the plastic supporting plate can be conveniently mounted.

Description

Technical Field

[0001] The utility model relates to the technical field of metal tube frame chairs, and particularly relates to a metal tube frame plastic strip chair. Background Technique

[0002] A metal tube frame chair is a chair that uses metal tubes as the main support structure. Such chairs are usually popular for their simplicity, fashionability and durability.

[0003] The prior art does not have a structure for quickly assembling and forming the seat board and the back board and the seat board and the back board having equal shapes. When assembling the existing metal tube frame chairs, most of the back boards and seat boards are formed by using rattan weaving or metal plate welding, and the assembly production efficiency is poor. Moreover, the shapes of the back boards and seat boards of the existing frame chairs are not equal, and two different board surface templates are required for injection molding production during production, which is rather cumbersome. Based on the deficiencies of the existing technology, the utility model designs a metal tube frame plastic strip chair. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a metal tube frame plastic strip chair, which has the advantage of quickly assembling and forming the seat board and the back board.

[0005] The utility model provides the following technical scheme: a metal tube frame plastic strip chair, including side frames, a seat board frame is fixedly connected to the inner sides of the two side frames, a backrest frame is fixedly connected to the inner sides of the two side frames, a first fixing hole is opened on the seat board frame, a plastic support plate is fixedly installed on the seat board frame and the backrest frame, and an installation mechanism for facilitating quick installation is arranged between the backrest frame and the plastic support plate;

[0006] The installation mechanism includes a second side plate, a plug rod and a second connecting plate. The second side plate is fixedly connected to both sides of the plastic support plate, the plug rod is fixedly connected to the bottom of the second side plate, and the second connecting plate is fixedly connected to the bottom of the second side plate.

[0007] As a preferred technical scheme of the utility model, a second fixing hole is opened on the backrest frame, a threaded hole is opened on the inner side of the backrest frame, and a bolt is threadedly connected inside the threaded hole.

[0008] As a preferred technical scheme of the utility model, an elbow rest is fixedly connected to the side frame.

[0009] As a preferred technical scheme of the utility model, a threaded hole is opened on the inner side of the seat board frame, and the bolt penetrates and is inserted inside the second connecting plate.

[0010] As a preferred technical solution of the present utility model, the number of plastic pallets fixedly connected to the seat plate frame is two groups, and the number of plastic pallets fixedly connected to the backrest frame is one group.

[0011] As a preferred technical solution of the present utility model, the second side plates are respectively fixedly clamped on the seat plate frame and the backrest frame, the insertion rods are respectively fixedly inserted into the first fixing holes and the second fixing holes, and a reinforcing rib is arranged on the back surface of the plastic pallet.

[0012] Compared with the prior art, the present utility model has the following beneficial effects:

[0013] For this metal tube frame plastic strip chair, by placing two groups of plastic pallets above the seat plate frame and using side plates to clamp on the seat plate frame and then inserting the insertion rods connected to the two groups of side plates into the corresponding first fixing holes on the seat plate frame for fixation, then placing one group of seat plate frames in front of the backrest frame and using side plates to clamp on the backrest frame and then inserting the insertion rods connected to this group of side plates into the corresponding second fixing holes on the backrest frame for fixation, and finally passing multiple bolts through multiple connecting plates and screwing them into the screw holes to further fix multiple groups of plastic pallets, the device is convenient for quickly installing plastic pallets. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 is a schematic diagram of the structure of the plastic strip chair style of the present utility model;

[0016] Figure 3 is a schematic diagram of the chair frame structure of the present utility model;

[0017] Figure 4 is a schematic diagram of the bottom view structure of the main body of the plastic pallet of the present utility model.

[0018] In the figure: 1, side frame; 101, seat plate frame; 102, backrest frame; 103, elbow rest; 2, first fixing hole; 201, second fixing hole; 202, screw hole; 203, bolt; 3, installation mechanism; 301, plastic pallet; 302, side plate; 303, insertion rod; 304, connecting plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] Please refer to Figures 1-4 Figures 1-4 , a metal tube frame plastic slat chair, including a side frame 1. A seat plate frame 101 is fixedly connected to the inner sides of two groups of side frames 1, and a backrest frame 102 is fixedly connected to the inner sides of two groups of side frames 1. A first fixing hole 2 is formed in the seat plate frame 101. A plastic support plate 301 is fixedly installed on the seat plate frame 101 and the backrest frame 102. An installation mechanism 3 for facilitating quick installation is arranged between the backrest frame 102 and the plastic support plate 301. An elbow rest 103 is fixedly connected to the side frame 1.

[0021] Please refer to Figure 4 Figure 4 , the installation mechanism 3. The installation mechanism 3 includes a second side plate 302, a plug rod 303 and a second connecting plate 304. The second side plate 302 is fixedly connected to both sides of the plastic support plate 301. The plug rod 303 is fixedly connected to the bottom of the second side plate 302. The second connecting plate 304 is fixedly connected to the bottom of the second side plate 302. The number of plastic support plates 301 fixedly connected to the seat plate frame 101 is two groups, and the number of plastic support plates 301 fixedly connected to the backrest frame 102 is one group. The second side plates 302 are respectively fixedly clamped on the seat plate frame 101 and the backrest frame 102. The plug rods 303 are respectively fixedly inserted into the first fixing hole 2 and the second fixing hole 201. A reinforcing rib is arranged on the back surface of the plastic support plate 301.

[0022] By providing the second side plate 302, it is convenient to fix the plastic support plate 301 on the seat plate frame 101 and the backrest frame 102. By providing the plug rod 303, and the plug rod 303 is inserted into the first fixing hole 2 and the second fixing hole 201, it is convenient to limit the plastic support plate 301 and the second side plate 302 to prevent the plastic support plate 301 and the second side plate 302 from sliding and displacing after installation. By providing that the plastic support plates 301 on the seat plate frame 101 and the backrest frame 102 have the same shape, and there are two groups of plastic support plates 301 on the seat plate frame 101 and one group of plastic support plates 301 on the backrest frame 102, it is convenient to share the same set of molds when producing the plastic support plate 301, which can not only be quickly installed but also greatly reduce the mold development cost.

[0023] Please refer to Figure 3 Figure 3 , a second fixing hole 201 is formed in the backrest frame 102, a threaded hole 202 is formed in the inner side of the backrest frame 102, a bolt 203 is threadedly connected inside the threaded hole 202, a threaded hole 202 is formed in the inner side of the seat plate frame 101, and the bolt 203 passes through and is inserted into the second connecting plate 304.

[0024] By providing the first fixing hole 2 and the second fixing hole 201, after the insertion rod 303 is inserted into the first fixing hole 2 or the second fixing hole 201, the plastic tray 301 on the seat plate frame 101 or the backrest frame 102 can be supported and positioned. By providing the screw hole 202 and the bolt 203, the plastic tray 301 can be fixed by passing through the second connecting plate 304.

[0025] Working principle: When a metal tube frame plastic slat chair is in use, in the initial state, first, the seat plate frame 101 and the backrest frame 102 are fixedly connected between the two sets of side frames 1. While the elbow rest 103 is installed on the side frame 1, two sets of plastic trays 301 are installed on the seat plate frame 101 and one set of plastic tray 301 is installed on the backrest frame 102 to form a plastic slat chair. The side plates 302, insertion rods 303 and connecting plates 304 provided on the plastic tray 301 are respectively clamped with the seat plate frame 101, the backrest frame 102, the first fixing hole 2 and the second fixing hole 201, and the bolt 203 passes through the connecting plate 304 and is inserted into the screw hole 202 to facilitate the installation of the plastic tray 301.

[0026] When the plastic tray 301 needs to be quickly installed, first place the two sets of plastic trays 301 above the seat plate frame 101 and use the side plates 302 to clamp the seat plate frame 101, and then insert the insertion rods 303 connected to the two sets of side plates 302 into the corresponding first fixing holes 2 on the seat plate frame 101 for fixation. Then place one set of seat plate frame 101 in front of the backrest frame 102 and use the side plates 302 to clamp the backrest frame 102, and then insert the insertion rods 303 connected to the set of side plates 302 into the corresponding second fixing holes 201 on the backrest frame 102 for fixation. Finally, pass a plurality of bolts 203 through the plurality of connecting plates 304 and screw them into the screw holes 202 to further fix the plurality of plastic trays 301. This device facilitates the quick installation of the plastic tray 301.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal tube frame plastic chair, comprising a side frame (1), characterized in that: The inner sides of the two groups of side frames (1) are fixedly connected to a seat frame (101), the inner sides of the two groups of side frames (1) are fixedly connected to a backrest frame (102), the seat frame (101) is provided with a first fixing hole (2), the seat frame (101) and the backrest frame (102) are fixedly mounted with a plastic support plate (301), and a mounting mechanism (3) for facilitating quick mounting is provided between the backrest frame (102) and the plastic support plate (301); The mounting mechanism (3) comprises a second side plate (302), an insertion rod (303) and a second connecting plate (304), wherein the second side plate (302) is fixedly connected to two sides of the plastic support plate (301), the insertion rod (303) is fixedly connected to the bottom of the second side plate (302), and the second connecting plate (304) is fixedly connected to the bottom of the second side plate (302).

2. The metal tube frame plastic chair according to claim 1, characterized in that: The backrest frame (102) is provided with a second fixing hole (201), the inner side of the backrest frame (102) is provided with a screw hole (202), and the inner part of the screw hole (202) is threadedly connected with a bolt (203).

3. The metal tube frame plastic chair according to claim 1, characterized in that: An elbow support (103) is fixedly connected to the side frame (1).

4. The metal tube frame plastic chair according to claim 2, characterized in that: A screw hole (202) is provided on the inner side of the seat plate frame (101), and the bolt (203) penetrates and is inserted into the interior of the second connecting plate (304).

5. The metal tube frame plastic chair according to claim 1, characterized in that: The number of the plastic support plates (301) fixedly connected to the seat plate frame (101) is two groups, and the number of the plastic support plates (301) fixedly connected to the backrest frame (102) is one group.

6. The metal tube frame plastic chair according to claim 1, characterized in that: The second side plate (302) is fixedly connected to the seat plate frame (101) and the backrest frame (102), respectively; the insertion rod (303) is fixedly connected to the inside of the first fixing hole (2) and the second fixing hole (201), respectively; and a reinforcing rib is provided on the back of the plastic support plate (301).

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