Additional fixing device for glass wool template laid on surface layer of reducing rectangular air duct

Abstract

The utility model discloses an additional fixing device for laying a glass wool template on a surface layer of a reducing rectangular air duct, which comprises an air duct reducing pipe, additional steel belts are arranged on four surfaces of the air duct reducing pipe at intervals, and each additional steel belt comprises an additional steel belt bottom surface and an additional steel belt fixing side end. The two additional steel belt fixing edge ends are symmetrically arranged at the two ends of the additional steel belt bottom face and form 90-degree angles with the additional steel belt bottom face respectively, locking holes are formed in the additional steel belt fixing edge ends, a plurality of fixing nails are evenly arranged on the additional steel belt bottom face at intervals, glass wool boards are laid on the four surfaces of the air pipe reducing pipe, and the glass wool boards are arranged on the four surfaces of the air pipe reducing pipe. The glass wool board vertically penetrates through the fixing nail, and a hook pressing sheet is arranged at the upper end of the glass wool board and is connected to the fixing nail in a sleeving manner. The glass wool board is fixed through the additional steel belts and the fixing nails, the surface layer structure of the body cannot be damaged, the construction efficiency is improved, the service life is prolonged, and construction is not limited by environment temperature.

Description

Technical Field

[0001] The utility model relates to the technical field of glass wool template fixing, in particular to an additional fixing device for laying glass wool templates on the surface layer of rectangular air ducts with different diameters. Background Art

[0002] In ventilation and air conditioning engineering, glass wool boards are often used for rectangular duct surface laying to serve as fireproof insulation for the duct surface or heat preservation for air conditioning ducts. According to current specifications, a common construction method for fixing glass wool boards is to use adhesive nails for fixing. This construction method is affected by the environment and adhesive materials, which reduces the construction quality and is not easy to meet the construction progress under special circumstances. This application aims to solve the construction difficulties of laying glass wool templates on the surface of irregular rectangular ducts with different diameters, and designs a groove-type additional device, which consists of a groove-type additional steel belt, welding nails, and a port fixing device. The device can fix the glass wool boards with welding nails, thereby improving the construction quality, ensuring environmental protection and fire prevention, and ensuring that the construction is not affected by environmental factors, thereby ensuring the construction progress. Utility Model Content

[0003] The purpose of the utility model is to provide an additional fixing device for laying glass wool formwork on the surface layer of rectangular air ducts of different diameters, which solves the problem that the prior art uses adhesive nails for fixing, and its construction method is affected by the environment and adhesive materials, which reduces the construction quality and is difficult to meet the construction progress under special environments.

[0004] In order to achieve the above-mentioned purpose, the utility model provides an additional fixing device for laying glass wool templates on the surface layer of rectangular air ducts with different diameters, including: an air duct reducer, additional steel belts are arranged at intervals on the four surfaces of the air duct reducer, the additional steel belt includes an additional steel belt bottom surface and an additional steel belt fixed edge end, the two additional steel belt fixed edge ends are symmetrically arranged at the two ends of the additional steel belt bottom surface, and are respectively arranged at 90° to the additional steel belt bottom surface, locking holes are provided on the additional steel belt fixed edge ends, a plurality of fixing nails are evenly spaced on the bottom surface of the additional steel belt, glass wool boards are laid on the four surfaces of the air duct reducer, the glass wool boards vertically pass through the fixing nails, a bent hook pressing sheet is provided on the upper end of the glass wool board, and the bent hook pressing sheet is sleeved on the fixing nails.

[0005] In a preferred embodiment, flanges are welded on both the front and rear sides of the air duct reducer, and a plurality of flange holes are provided on the flanges.

[0006] In a preferred embodiment, the front opening of the air duct reducer is a small end. When the side length of the small end flange of the air duct reducer is less than 300 mm, an additional steel belt is provided. When the side length of the small end flange of the air duct reducer is greater than or equal to 300 mm, at least two additional steel belts are provided, and the spacing between two adjacent additional steel belts is not greater than 250 mm.

[0007] In a preferred embodiment, the locking holes on the fixed edge of the additional steel belt are locked with the flange holes on the flanges corresponding to the two ends of the air duct reducer by bolts and nuts.

[0008] In a preferred embodiment, the fixing nail is made of iron wire with a diameter not less than 3 mm.

[0009] In a preferred embodiment, a fixing nail hook is bent at the upper end of the fixing nail, and the upper end of the fixing nail passes through the hook pressing sheet and then abuts against the glass wool board through the fixing nail hook.

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

[0011] In view of the external structural characteristics of the air duct reducer, the utility model adopts a fitting additional fixing device, which uses additional steel belts and fixing nails to fix the glass wool board, will not damage the surface structure of the main body, improves the construction efficiency and service life, and the construction is not limited by the ambient temperature, there is no technical break requirement between the processes, and the construction is highly environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0013] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0014] In the attached picture:

[0015] Figure 1 It is a structural schematic diagram of the additional fixing device of the utility model being arranged on a reducing pipe.

[0016] Figure 2 It is a structural schematic diagram of the additional fixing device of the utility model and the glass wool board.

[0017] Figure 3 It is a structural schematic diagram of the cross-section-additional fixing device and the flange fixing sample of the utility model.

[0018] Figure 4 It is a structural schematic diagram of a fixing nail and a glass wool board fixing sample of the utility model.

[0019] Figure 5 It is a structural schematic diagram of the utility model in which a locking hole is arranged at the fixed edge end of the additional steel belt.

[0020] Figure 6 yes Figure 5 Schematic diagram of the facade structure.

[0021] Description of reference numerals:

[0022] 1. Additional steel belt; 11. Additional steel belt bottom surface; 12. Additional steel belt fixed edge; 121. Locking hole; 2. Fixing nail; 21. Fixing nail hook; 3. Duct reducer; 31. Flange; 311. Flange hole; 4. Bolt; 41. Nut; 42. Gasket; 6. Glass wool board; 7. Hook pressing piece. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Embodiment 1:

[0025] like Figures 1 to 6 As shown, the utility model is an additional fixing device for laying glass wool templates on the surface layer of rectangular air ducts with different diameters, comprising: an air duct reducer 3, and additional steel strips 1 are arranged at a certain interval on the four surfaces of the air duct reducer 3. The additional steel strip 1 is made of galvanized steel plate with a width of 20 mm. The additional steel strip 1 includes an additional steel strip bottom surface 11 and an additional steel strip fixed edge end 12. The two additional steel strip fixed edges 12 are symmetrically arranged at the two ends of the additional steel strip bottom surface 11, and are respectively arranged at 90° to the additional steel strip bottom surface 11. The additional steel strip fixed edge end 12 is provided with a locking hole 121. The specification of the locking hole 121 is 10*10 mm. A plurality of fixing nails 2 are evenly spaced on the additional steel strip bottom surface 11. Glass wool boards 6 are laid on the four surfaces of the air duct reducer 3. The glass wool boards 6 vertically pass through the fixing nails 2. A bent hook pressing sheet 7 is provided on the upper end of the glass wool board 6. The bent hook pressing sheet 7 is sleeved on the fixing nail 2 for limiting the fixing nail 2.

[0026] Furthermore, the distance between the fixing nails 2 at both ends and the port is no more than 100 mm, the interval between two adjacent fixing nails 2 is no more than 150 mm, and the fixing nails 2 are made of easily bendable iron wires with a diameter of no less than 3 mm.

[0027] Furthermore, flanges 31 are welded on both the front and rear sides of the air duct reducer 3, and flange holes 311 are provided on the flanges 31. The connection and fixation of the additional steel belt 1 and the air duct reducer 3 are through the locking holes 121 on the additional steel belt fixing edges 12 at both ends of the additional steel belt 1, and the flange holes 311 on the flanges 31 corresponding to the two ends of the air duct reducer 3 are used to lock with nuts 41 and washers 42 on the bolts 4.

[0028] Furthermore, a fixing nail hook 21 is provided on the fixing nail 2 , the fixing nail 2 is locked with the glass wool board 6 , and the fixing nail hook 21 is bent to press against the glass wool board 6 .

[0029] Embodiment 2:

[0030] On the basis of Example 1, the front opening of the air duct reducer 3 is the small end, and the rear opening is the large end. When the side length of the small end flange of the air duct reducer 3 is less than 300 mm, an additional steel belt 1 is provided. When the side length of the small end flange of the air duct reducer 3 is greater than or equal to 300 mm, at least two additional steel belts 1 are provided, and the spacing between two adjacent additional steel belts 1 is not greater than 250 mm.

[0031] Example 3

[0032] The working principle of the additional fixing device of this embodiment is as follows:

[0033] When in use, when the ambient temperature is lower than 5° or the construction period is tight, the fixing nails 2 on the additional steel belt 1 are fixed to the glass wool board 6, and the fixing nails 3 are fixed to the upper top surface of the bottom surface of the additional steel belt by welding, replacing the conventional gluing method, to ensure the firmness, durability, construction progress and environmental protection requirements of the fixing. The additional steel belt 1 and the surface of the air duct reducer 3 are locked by bolts 4, nuts 41 and washers 42 through the flange holes 311 on the flange 31 and the locking holes 121 of the additional steel belt fixed edge 12.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An additional fixing device for laying glass wool templates on the surface layer of rectangular air ducts with different diameters, characterized in that: include: An air duct reducer (3), wherein additional steel strips (1) are arranged at intervals on four surfaces of the air duct reducer (3), wherein the additional steel strip (1) comprises an additional steel strip bottom surface (11) and additional steel strip fixed edges (12), wherein two additional steel strip fixed edges (12) are symmetrically arranged at two ends of the additional steel strip bottom surface (11) and are respectively arranged at 90 degrees to the additional steel strip bottom surface (11), wherein locking holes (121) are provided on the additional steel strip fixed edges (12), wherein a plurality of fixing nails (2) are evenly arranged on the additional steel strip bottom surface (11), wherein glass wool plates (6) are laid on the four surfaces of the air duct reducer (3), wherein the glass wool plates (6) vertically pass through the fixing nails (2), wherein a bent hook pressing sheet (7) is provided at the upper end of the glass wool plates (6), wherein the bent hook pressing sheet (7) is sleeved on the fixing nails (2).

2. The additional fixing device for laying glass wool templates on the surface layer of rectangular air ducts with different diameters as claimed in claim 1, characterized in that: Flanges (31) are welded to the front and rear sides of the air duct reducer (3), and a plurality of flange holes (311) are provided on the flange (31).

3. The additional fixing device for laying glass wool templates on the surface layer of rectangular air ducts with different diameters as claimed in claim 2, characterized in that: The front opening of the air duct reducer (3) is a small end. When the side length of the flange of the small end of the air duct reducer (3) is less than 300 mm, an additional steel belt (1) is provided. When the side length of the flange of the small end of the air duct reducer (3) is greater than or equal to 300 mm, at least two additional steel belts (1) are provided, and the spacing between two adjacent additional steel belts (1) is not greater than 250 mm.

4. The additional fixing device for laying glass wool templates on the surface layer of rectangular air ducts with different diameters as claimed in claim 3, characterized in that: The locking holes (121) on the additional steel belt fixing edge (12) and the flange holes (311) on the flanges (31) corresponding to the two ends of the air duct reducer (3) are locked by bolts (4) and nuts (41).

5. The additional fixing device for laying glass wool templates on the surface layer of rectangular air ducts with different diameters as claimed in claim 4, characterized in that: The fixing nail (2) is made of iron wire with a diameter not less than 3 mm.

6. The additional fixing device for laying glass wool templates on the surface layer of rectangular air ducts with different diameters as claimed in claim 5, characterized in that: The upper end of the fixing nail (2) is bent to form a fixing nail hook (21), and the upper end of the fixing nail (2) passes through the hook pressing sheet (7) and then abuts against the glass wool board (6) through the fixing nail hook (21).

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