CN208105881U - A kind of profile - Google Patents

Abstract

The utility model relates to a profile, which is characterized in that: the profile is an integral part formed by cold bending, including a web, and a support plate for supporting a panel is formed adjacent to the first end of the web, the support plate It is formed by bending the web inwards. The profile of the utility model is integrally formed by a cold bending process. Compared with a profile formed by hot rolling, it has high mechanical strength, light weight, and small tolerances in size and quality.

Description

a profile

technical field

The utility model belongs to the technical field of construction engineering, and in particular relates to a profile used for building formwork.

Background technique

The building formwork is a temporary support structure, which is manufactured according to the design requirements, so that the concrete structure and components are formed according to the specified position and geometric size, maintain their correct position, and bear the self-weight of the building formwork and the external load acting on it. The purpose of formwork engineering is to ensure the quality of concrete engineering and construction safety, speed up the construction progress and reduce engineering costs. In simple terms, building formwork is the formwork and brackets formed by concrete pouring.

Building formwork needs to be supported and fixed by profiles, such as C-shaped steel, U-shaped steel, and F-shaped steel. Rolled, for details, see "A Construction Template" disclosed by the utility model patent with the patent number ZL201220282985.8 (the announcement number is CN202644973U), and the utility model patent disclosure with the patent number ZL201720623609.3 (the announcement number is CN206800993U). As shown in "A GMT Template F65 Aluminum Frame Profile". The cross-section of the above two profiles is F-shaped. During the forming and rolling process, high-temperature heating is required, and the strength, straightness, roundness, and dimensional tolerance of the material are difficult to control, and multiple annealing, straightening, and processing are required. The high-quality forming template has large quality tolerance and heavy weight. And in the secondary processing, special equipment must be used for punching. Due to the straightness and tolerance factors of the profile, the punching tolerance is larger, and secondary deformation will occur during welding. In addition, the energy consumption in the profile rolling production process is very large, and the exhaust gas emission is serious, which does not meet the relevant national energy conservation and environmental protection requirements.

Utility model content

The technical problem to be solved by the utility model is to provide a profile with high mechanical strength and small tolerance in view of the current state of the prior art.

The technical solution adopted by the utility model to solve the above technical problems is: a profile, which is characterized in that: the profile is an integral part formed by cold bending, including a web, which is formed adjacent to the first end of the web for The support plate of the support panel is formed by bending the web inward.

In order to make two adjacent formworks fit closely so that they can be firmly assembled together, the outer wall surfaces of at least two ends of the profile are always on the same plane, so that the outer wall surfaces of the profile remain flush. When the two templates are connected, their abutment surfaces are in close contact to ensure that the two templates are firmly connected.

In order to enhance the strength of the profile, at least one end of the web is folded to form a folded plate, the first end of the folded plate is formed on one end of the web, and the second end faces the other end of the web, so that the web The end of the plate is equivalent to realizing double-layer folding (web plate and folded plate), which has high mechanical strength and strong load-bearing capacity.

In order to facilitate the disassembly of the template, the end of the folded plate extends obliquely towards the web, and the end of the folded plate is in contact with the web, or there is a distance between the end of the folded plate and the web, because when two templates are connected, The corresponding two folded plates of the profiles are bonded together. If there is no such inclined part, it will be difficult to disassemble.

In order to further facilitate the disassembly of the connected two templates, the outer side of the web has a groove, which is formed by the web, two folded plates formed at both ends of the web and folded outwards, or the The groove part is formed by the web, the support plate, and the folded plate formed on the second end of the web and turned outward. The setting of the groove part makes there be a gap between the bonding surfaces of two adjacent templates, which reduces the friction between the two, and the templates are not stuck when the templates are disassembled, which is convenient for disassembly. If there is no groove, the force-bearing surface is large. After the concrete is poured, the bonding surface between the two is tightly pressed, and the formwork is easy to be stuck during disassembly, and the disassembly is laborious and easy to damage the formwork.

In order to enable the panel to be fully supported on the support plate and to securely assemble the panel and the profile, the upper end surface of the support plate is recessed downwards to form a recess, which is located at the connection between the support plate and the web. Because the connection between the web and the support plate usually forms a chamfer, the existence of the chamfer will interfere with the corners of the panel, so that the connection between the support plate and the web cannot be completely fitted with the panel, resulting in the assembly of the panel and the profile. not firm.

In order to facilitate the connection of two adjacent templates, a plurality of through holes are arranged at intervals along the length direction of the web. Connected with parts, easy to assemble and disassemble. Moreover, the punching and cold forming of the profile is made at one time, and the hole position tolerance is small; while the profile formed by hot rolling needs to be punched with special equipment, due to the straightness and tolerance factors of the profile, the punching tolerance is larger, and Secondary deformation also occurs during welding.

The section of the profile is F-shaped, and the support plate of the F-shaped profile can better support the panel, increase the load-bearing capacity of the web, and better increase the stress strength, so that the web is not easily deformed.

Compared with the prior art, the utility model has the following advantages: 1. The profile of the utility model is integrally formed by the cold bending process. Compared with the profile formed by hot rolling, it has high mechanical strength, light weight, and small dimensional tolerance and quality tolerance 2. The end of the web of the utility model is turned over to form a folded plate, which is equivalent to double-layer folding of the profile part of the utility model, which further improves the mechanical strength of the profile; 3. The section of the profile of the utility model is F-type, the support plate it has can better support the panel, increase the load-bearing capacity of the web, and better increase the force strength of the profile, making the web difficult to deform.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1;

Fig. 2 is the sectional view of Fig. 1;

Figure 3 is an enlarged view of A in Figure 2;

Fig. 4 is the structural representation of the utility model embodiment 2;

Fig. 5 is a sectional view of Fig. 4;

Fig. 6 is the structural representation of the utility model embodiment 3;

Fig. 7 is a sectional view of Fig. 6 (the panel is placed on the supporting platform);

Fig. 8 is a structural schematic diagram of the profile in Fig. 6 applied to a template (two templates are assembled together).

Detailed ways

The utility model is described in further detail below in conjunction with the accompanying drawings.

A building template as shown in Figure 8 includes a frame and a panel 2 laid in the frame. The frame is surrounded by four side panels 8, and the aforementioned side panels can be integrally formed by cold bending in this embodiment. The profile is made of galvanized steel strip.

Example 1

As shown in FIGS. 1-3 , the profile in this preferred embodiment includes a web 1 , a support plate 3 for supporting a panel 2 and a folded plate 4 .

The support plate 3 is formed adjacent to the first end of the web 1 , and the support plate 3 is formed by bending the web 1 inward. The upper end surface of the support plate 3 is recessed downward to form a recess 6 , and the recess 6 is located at the connection between the support plate 3 and the web 1 .

The function of the recessed part 6 is: because the connection between the web 1 and the support plate 3 usually forms chamfers, the existence of the chamfers will interfere with the corners of the panel 2, so that the connection between the support plate 3 and the web 1 The position cannot be completely attached to the panel 2, resulting in an unstable assembly of the panel 2 and the profile, but the setting of the recessed part 6 solves this problem.

A plurality of through-holes 11 are arranged at intervals along the length direction of the web 1 , and the through-holes 11 are located below the support plate 3 , and two adjacent formworks are connected by connecting pieces pierced in the through-holes 11 , which is convenient for assembly and disassembly. The punching and cold-bending forming of the profiles in this embodiment are made at one time, which can reduce the hole position tolerance.

The second end of the web 1 is folded toward the first end to form a folded plate 4 to strengthen the profile. In this embodiment, the folded plate 4 and the supporting plate 3 are located on both sides of the web 1, and the outer wall surface of the folded plate 4 is on the same plane as the outer wall surface of the first end of the web 1, so that the outer wall surface of the profile remains flat. When two adjacent formworks are connected, their abutment surfaces are in close contact to ensure a firm connection of the two formworks.

However, if the two formworks are fully fitted, the force-bearing surface between the two formworks will be large. After the concrete is poured, the joint surface between the two will be tightly pressed, and the formwork will be easily stuck during disassembly, which is laborious and easy Damaged template. Therefore, in order to facilitate the disassembly of the two connected templates, the end of the folded plate 4 extends obliquely towards the web 1, and the end of the folded plate 4 is in contact with the web 1. Of course, there may be a distance between the end of the folded plate 4 and the web 1 d, the distance range must be less than 0.5mm.

In addition, there is a gap between the folded plate 4 and the support plate 3 to form a groove portion 5 between the folded plate 4 , the web 1 and the support plate 3 . The setting of the groove portion 5 makes there be a gap between the bonding surfaces of two adjacent templates, which reduces the friction between the two, and does not block the template when the template is disassembled, which further facilitates the disassembly of the template.

Example 2

As shown in Figures 4-5, the difference between embodiment 2 and embodiment 1 is:

a In embodiment 1, only the second end of the web 1 has a folded plate 4, and in embodiment 2, both ends of the web 1 have a folded plate 4, and the folded plate 4 and the supporting plate 3 are located on both sides of the web 1:

Both the first end and the second end of the web 1 are formed with a folded plate 4 that is folded toward the opposite end (such as the folded plate 4 formed at the second end of the web 1, the end of the folded plate 4 extends toward the first end of the web 1) , the two folded plates 4 are located on the same side of the web 1, and the outer wall surfaces of the two folded plates 4 are located on the same plane.

The setting mode of b groove part 5 is different:

There is a space between the two folded plates 4 to form a groove portion 5 between the two folded plates 4 and the web 1 .

Example 3

As shown in Figures 6-7, the difference between embodiment 3 and embodiment 1 is:

In Example 1, only the second end of the web 1 has a folded plate 4, and in Example 3, both ends of the web 1 have a folded plate 4:

Both the first end and the second end of the web 1 are formed with a folded plate 4 that is turned over to the opposite end (such as the folded plate 4 formed at the second end of the web 1, and its end extends toward the first end of the web 1), both sides A folded plate 4 is located on both sides of the web 1, and the outer wall surface of the folded plate 4 formed on the second end of the web 1 is on the same plane as the outer wall surface of the first end of the web 1.

Since the side wall of the panel 2 directly abuts against the folded plate 4 formed at the first end of the web 1 and does not touch the joint between the upper end surface of the support plate 3 and the web 1 , the recess 6 may not be provided.

Claims (8)

1. A profile, characterized in that: the profile is an integral piece formed by cold bending, comprising a web (1), adjacent to the first end of the web (1) is formed with a support panel (2) A support plate (3), the support plate (3) is formed by bending the web (1) inwards. 2. The profile according to claim 1, characterized in that: the outer wall surfaces of at least two ends of the profile are always on the same plane. 3. The profile according to claim 2, characterized in that: at least one end of the web (1) is turned over to form a folded plate (4), and the first end of the folded plate (4) is formed on the web ( 1), and the second end faces the other end of the web (1). 4. The profile according to claim 3, characterized in that: the end of the folded plate (4) extends obliquely towards the web (1), and the end of the folded plate (4) is in contact with the web (1), Or there is a distance (d) between the end of the flap (4) and the web (1). 5. The profile according to claim 4, characterized in that: the outside of the web (1) has a groove (5), the groove (5) is formed by the web (1), formed on the web ( 1) The two folded plates (4) at both ends and turned outwards are formed, or the groove part (5) is formed by the web (1), the support plate (3), and formed on the web (1) The two ends are formed by three folded plates (4) that are turned outwards. 6. The profile according to any one of claims 1-5, characterized in that: the upper end surface of the support plate (3) is recessed downwards to form a recessed part (6), and the recessed part (6) ) is located at the junction of the support plate (3) and the web (1). 7. The profile according to claim 1, characterized in that: a plurality of through holes (11) are arranged at intervals along the length direction of the web (1), and the through holes (11) are located on the support plate (3) below. 8. The profile according to claim 1, characterized in that: the section of the profile is F-shaped.