Cold-formed thin-walled steel structural member

Abstract

The utility model discloses a cold-formed thin-walled steel structural member which comprises a C-shaped cold-formed thin-walled steel plate, the cold-formed thin-walled steel plate comprises a bottom plate and side plates on two sides, the front end of the bottom plate protrudes out of the side plates on the two sides, the rear end of the bottom plate is concaved in the side plates on the two sides, the front end and the rear end of the bottom plate are respectively provided with a bent plate upwards, and the front end and the rear end of the bottom plate are respectively provided with a fixing notch. A plurality of stand column plates are further arranged on the bottom plate and comprise middle plates and side plates on the two sides, fixing plates are arranged at the fixing notches and penetrate through the upper fixing notch and the lower fixing notch, and the middle plate, the fixing plates and the bent plate of one stand column plate on the bottom plate are connected and fixed through fasteners. The fixing plates are arranged through the fixing notches in the cold-formed thin-walled steel plate bottom plate, so that the upper cold-formed thin-walled steel plate and the lower cold-formed thin-walled steel plate are stably connected; meanwhile, the stand column plates are jointly connected during connection, and the stability of arrangement of the stand column plates is further guaranteed; the stand column plates can also be connected with the left and right cold-formed thin-walled steel plates, and the connection stability of the cold-formed thin-walled steel plates arranged in parallel is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure connection, in particular to a cold-bent thin-walled steel structure component. Background Art

[0002] In building construction, using cold-bent thin-walled steel structures for stable connection to transfer the vertical and horizontal loads borne by the house is one of the common construction methods. The existing utility model patent with application number 201520172822.8 discloses a connection device for the upper and lower walls of cold-bent thin-walled steel structure buildings. In order to increase the connection strength between the bottom guide beam and the top guide beam, a connecting piece is added between the upper and lower columns to achieve a stable connection; however, simply adding a connecting plate has limited improvement in the connection stability performance, and there is still room for improvement. Utility Model Content

[0003] The utility model aims to provide a cold-bent thin-walled steel structural member with high connection stability in view of the deficiencies existing in the above-mentioned background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme for a cold-bent thin-walled steel structural member:

[0005] A cold-bent thin-walled steel structural member comprises a C-shaped cold-bent thin-walled steel plate, the cold-bent thin-walled steel plate comprises a bottom plate and side plates on both sides, the front end of the bottom plate protrudes from the side plates on both sides, and the rear end of the bottom plate is recessed in the side plates on both sides, the front end and the rear end of the bottom plate are both provided with bending plates upward, the height of the bending plates is lower than the side plates, the front end and the rear end of the bottom plate are both provided with fixing notches, the cold-bent thin-walled steel plates are provided with two groups, which are symmetrically arranged up and down, and a plurality of column plates are also provided on the bottom plate, the column plates are C-shaped, including a middle plate and side plates on both sides, a fixing plate is provided at the fixing notch, the fixing plate passes through the upper and lower fixing notches, the middle plate of one of the column plates on the bottom plate is arranged between the fixing notch and the bending plate, and the fixing plate, the middle plate and the bending plate are connected and fixed by fasteners.

[0006] A further improvement of the cold-bent thin-walled steel structural member of the utility model is that a horizontal plate is further arranged on the fixed plate, the horizontal plate abuts against the bottom plate, and the horizontal plate and the two bottom plates are fixedly connected by a second fastener.

[0007] A further improvement of the cold-bent thin-walled steel structural member of the utility model is that the horizontal plates on the two sets of fixed plates respectively conflict with the bottom plates of the cold-bent thin-walled steel plates arranged above and the bottom plates of the cold-bent thin-walled steel plates arranged below.

[0008] A further improvement of the cold-bent thin-walled steel structural member of the utility model lies in that the protruding portion at the front end of the bottom plate is clamped at the concave portion at the rear end of the bottom plate.

[0009] A further improvement of the cold-bent thin-walled steel structural member of the utility model is that the side plate of the column located at the fixed notch is connected with the side plate and is connected with the side plate at the inner concave part of the rear end of another cold-bent thin-walled steel plate bottom plate.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model arranges the fixing plate through the fixing notch on the bottom plate of the cold-bent thin-walled steel plate, thereby realizing the stable connection of the upper and lower cold-bent thin-walled steel plates; at the same time, when connected, the column plates are also connected together, further ensuring the stability of the arrangement of the column plates; the column plates can also be connected to the left and right cold-bent thin-walled steel plates, further improving the connection stability of the cold-bent thin-walled steel plates arranged in parallel. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the top view structure of the utility model;

[0013] Figure 2 This is a front view structural schematic diagram of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the fixing plate of the utility model.

[0015] In the figure: 1 cold-bent thin-walled steel plate, 2 bottom plate, 3 side plate, 4 bent plate, 5 fixing notch, 6 column plate, 7 fixing plate, 8 horizontal plate, 9 protruding part of bottom plate, 10 concave part of bottom plate. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] like Figures 1 to 3As shown, a cold-bent thin-walled steel structural member includes a C-shaped cold-bent thin-walled steel plate 1, the cold-bent thin-walled steel plate includes a bottom plate 2 and two side plates 3, the front end of the bottom plate protrudes from the two side plates, the rear end of the bottom plate is recessed in the two side plates, the front end and the rear end of the bottom plate are both upwardly provided with a bending plate 4, the height of the bending plate is lower than the side plate, the front end and the rear end of the bottom plate are both provided with a fixing notch 5, the cold-bent thin-walled steel plate is provided with two groups, symmetrically arranged up and down, and a plurality of column plates 6 are also provided on the bottom plate, the column plate is C-shaped, including a middle plate and side plates on both sides, a fixing plate 7 is provided at the fixing notch, the fixing plate passes through the upper and lower fixing notches, the middle plate of one of the column plates on the bottom plate is arranged between the fixing notch and the bending plate, and the fixing plate, the middle plate, and the bending plate are connected and fixed by fasteners. The fixing plate, the bending plate on the bottom plate, and the column plate are fixed as a whole, which improves the stability of the connection between them.

[0018] Furthermore, a horizontal plate 8 is also provided on the fixed plate, the horizontal plate abuts against the bottom plate, and the horizontal plate and the two bottom plates are fixedly connected by a second fastener. The horizontal plates on the two sets of fixed plates respectively abut against the bottom plate of the cold-bent thin-walled steel plate arranged on the upper side and the bottom plate of the cold-bent thin-walled steel plate arranged on the lower side. The fastener and the second fastener can be bolts, nuts, fasteners, etc.

[0019] Furthermore, the protruding part 9 of the bottom plate at the front end is clamped in the concave part 10 of the bottom plate at the rear end. The side plate of the column located at the fixed notch is connected to the side plate and to the side plate at the concave part of the rear end of another cold-bent thin-walled steel plate bottom plate arranged in parallel. The front column plate also connects the cold-bent thin-walled steel plates arranged in parallel on the left and right sides to improve the connection stability.

[0020] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A cold-formed thin-walled steel structural member, characterized in that: It includes a C-shaped cold-bent thin-walled steel plate, which includes a bottom plate and side plates on both sides. The front end of the bottom plate protrudes from the side plates on both sides, and the rear end of the bottom plate is recessed in the side plates on both sides. The front end and the rear end of the bottom plate are both provided with bending plates upward, and the height of the bending plates is lower than the side plates. The front end and the rear end of the bottom plate are both provided with fixed notches. The cold-bent thin-walled steel plate is provided with two groups, which are symmetrically arranged up and down. A plurality of column plates are also provided on the bottom plate. The column plates are C-shaped, including a middle plate and side plates on both sides. A fixing plate is provided at the fixing notch, and the fixing plate passes through the upper and lower fixing notches. The middle plate of one of the column plates on the bottom plate is arranged between the fixing notch and the bending plate, and the fixing plate, the middle plate and the bending plate are connected and fixed by fasteners.

2. The cold-bent thin-walled steel structural member according to claim 1, characterized in that: The fixing plate is also provided with a horizontal plate, the horizontal plate abuts against the bottom plate, and the horizontal plate and the two bottom plates are fixedly connected by a second fastener.

3. The cold-bent thin-walled steel structural member according to claim 2, characterized in that: The horizontal plates on the two sets of fixed plates are respectively in conflict with the bottom plates of the cold-bent thin-walled steel plates arranged on the upper side and the bottom plates of the cold-bent thin-walled steel plates arranged on the lower side.

4. The cold-bent thin-walled steel structural member according to claim 3, characterized in that: The protruding portion at the front end of the bottom plate is clamped in the concave portion at the rear end of the bottom plate.

5. The cold-bent thin-walled steel structural member according to claim 4, characterized in that: The side plate of the column located at the fixed notch is connected with the side plate and is connected with the side plate at the inner concave part of the rear end of another cold-bent thin-walled steel plate bottom plate.

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