Heat preservation inner container structure of precise air supply air pipe system

Abstract

The utility model discloses a heat preservation inner container structure of a precise air supply air pipe system, which comprises an inner side shell, an outer side shell is arranged on the outer side of the inner side shell, and a shell is arranged at the top of the outer side shell and the top of the inner side shell. An inner side plug board is arranged on one side of the end plate, an outer side plug board is arranged on the outer side of the inner side plug board, the outer side plug board is connected to the outer surface of the outer side shell in an inserted mode, the inner side plug board is connected to the outer surface of the inner side shell in an inserted mode, a first heat preservation board is arranged in the shell, and a second heat preservation board is arranged in the shell. The shell, the outer side shell, the inner side shell, the vertical plates and the side plates are bent and formed in advance, the shell, the outer side shell, the inner side shell, the vertical plates and the side plates can be connected and fixed through long-rod bolts, the use area of heat preservation materials in the air pipe is increased, modular installation can be conveniently conducted by personnel during installation, and more convenience is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat-insulating inner liner of air ducts, in particular to a heat-insulating inner liner structure of a precise air supply air duct system. Background Art

[0002] Air duct systems utilize air ducts, which are equipped with an insulation liner. This insulation is typically achieved by placing insulation material within the duct's interlayer. Existing insulation liners have the disadvantage of preventing the insulation material from filling the interlayer over a large area, resulting in poor insulation. Furthermore, most ducts require welding to form the duct structure, and the duct and insulation material cannot be disassembled. This makes the production process cumbersome, inefficient, and unsuitable for mass production. Utility Model Content

[0003] The technical problem to be solved by the present invention is to provide a heat-insulating inner liner structure for a precise air supply duct system, which can solve the above-mentioned problems in the existing technology.

[0004] The present invention is realized through the following technical solutions: the present invention provides a heat-insulating liner structure of a precise air supply duct system, comprising an inner shell, an outer shell being provided on the outside of the inner shell, and a shell being provided on the top of the outer shell and the inner shell, characterized in that end plates are provided at both ends of the outer shell and the inner shell, an inner plug-in plate is provided on one side of the end plate, an outer plug-in plate is provided on the outside of the inner plug-in plate, the outer plug-in plate is plugged into the outer surface of the outer shell, the inner plug-in plate is plugged into the outer surface of the inner shell, a first heat-insulating plate is provided in the shell, and a second heat-insulating plate is provided between the outer shell and the inner shell.

[0005] According to a further technical solution, the shell is formed by two U-shaped plates to form a rectangular box body.

[0006] According to a further technical solution, both the inner shell and the outer shell are square structures.

[0007] A further technical solution is that the top opening of the inner shell is provided with a vertical plate facing upward on each side, and the top opening of the outer shell is provided with an L-shaped side plate on each side, and the side plates are arranged to abut against the vertical plates so that the second insulation plate is installed between the outer shell and the inner shell.

[0008] A further technical solution is that a first through-hole is provided on the top of the second insulation board, a plurality of second through-holes are provided in the first insulation board, a plurality of third through-holes are provided in the shell, and a fourth through-hole is provided on the outer surface of the vertical plate and the outer shell. By setting long-rod bolts through the fourth through-hole, the third through-hole, the second through-hole and the first through-hole, the outer shell, the inner shell, the vertical plate, the side plate, the shell, the first insulation board and the second insulation board are connected and fixed.

[0009] According to a further technical solution, a nut is provided on the outer surface of the long rod bolt in threaded connection and is fixed against the outer shell.

[0010] According to a further technical solution, the first through-hole passes through the left and right sides of the second insulation board.

[0011] A further technical solution is that a plurality of plug-in holes are provided on the outer surface of the second insulation board, square holes are provided on the upper and lower sides of the plug-in holes, internal threaded rods are inserted and fixed in the plug-in holes and the square holes, internal threaded holes are provided in the internal threaded rods, and a plurality of short rod bolts are provided in the outer plug-in plate and the inner plug-in plate, and the short rod bolts are threadedly connected with the internal threaded holes.

[0012] According to a further technical solution, a through hole corresponding to the short rod bolt is provided in the outer shell, and the short rod bolt passes through the through hole.

[0013] The beneficial effects of the present invention are: 1. By pre-bending the shell, outer shell, inner shell, vertical plate and side plate, and placing the first insulation plate in the shell, and placing the second insulation plate between the outer shell and the inner shell, they can be connected and fixed by long rod bolts, which increases the use area of the insulation material in the air duct, and is also convenient for personnel to perform modular installation during installation, which is more convenient.

[0014] 2. When the end plate, the inner plug-in plate and the outer plug-in plate are pre-formed into an integrated module and then installed through short rod bolts and internal threaded rods, the outer plug-in plate and the inner plug-in plate are plugged into one side of the outer shell and the inner shell, so that they can be stably connected to the outer shell and the inner shell to form the flange part of the air duct. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] For ease of explanation, the present invention is described in detail with reference to the following specific embodiments and accompanying drawings.

[0016] Figure 1 This is a schematic diagram of the overall structure of the thermal insulation liner structure of a precision air supply duct system of the utility model;

[0017] Figure 2 for Figure 1Schematic diagram of the various structures of the stroke tube after expansion;

[0018] Figure 3 for Figure 2 Schematic diagram at A in the middle;

[0019] Figure 4 for Figure 2 Schematic diagram at B in the middle;

[0020] Figure 5 for Figure 1 A schematic diagram of the installation of the middle and outer plug-in boards and the inner plug-in board with the outer shell;

[0021] Figure 6 for Figure 5 Schematic diagram at C in the middle;

[0022] Figure 7 Schematic diagram of the installation of the first insulation board and the second insulation board;

[0023] Figure 8 for Figure 7 Schematic diagram at D in the middle;

[0024] In the figure, the outer shell 11, the end plate 12, the inner shell 13, the inner plug-in plate 14, the outer plug-in plate 15, the vacancy 16, the shell 17, the long-rod bolt 18, the short-rod bolt 21, the second through-hole 22, the first insulation board 23, the third through-hole 24, the vertical plate 25, the side plate 26, the second insulation board 27, the first through-hole 28, the plug-in hole 31, the square hole 32, the internal threaded rod 33, the internal threaded hole 34, and the fourth through-hole 41. DETAILED DESCRIPTION

[0025] like Figures 1-8 As shown, the utility model is described in detail. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front and back directions mentioned below are the same as Figure 1 The up, down, left, right, front and back directions of the projection relationship are consistent. The utility model provides a thermal insulation liner structure of a precise air supply duct system, including an inner shell 13, an outer shell 11 is provided on the outside of the inner shell 13, and a gap 16 is provided on the top of the outer shell 11 and the inner shell 13, and a shell 17 is provided in the gap 16. End plates 12 are provided at both ends of the outer shell 11 and the inner shell 13, and an inner plug-in plate 14 is provided on one side of the end plate 12. An outer plug-in plate 15 is provided on the outside of the inner plug-in plate 14, and the outer plug-in plate 15 and the inner plug-in plate 14 are plugged into the outer surfaces of the outer shell 11 and the inner shell 13. A first thermal insulation board 23 is provided in the shell 17, and a second thermal insulation board 27 is provided between the outer shell 11 and the inner shell 13. By providing the first thermal insulation board 23 and the second thermal insulation board 27, a structure that fills the inner layer of the air duct with a large area is formed, thereby improving the thermal insulation performance of the air duct.

[0026] The outer shell 11, the inner shell 13, the vertical plate 25, the side plate 26 and the end plate 12 can be made of galvanized steel plates, and the thickness can be selected from specifications such as 0.8mm and 1mm, which is a thickness that is convenient for bending.

[0027] Advantageously, the housing 17 is formed by enclosing two U-shaped plates to form a rectangular box body. Specifically, the U-shaped plates are respectively arranged on the left and right sides and then plugged into each other.

[0028] Advantageously, the inner shell 13 and the outer shell 11 are both square structures, and a vertical plate 25 facing upward is provided on each side at the top opening of the inner shell 13, and an L-shaped side plate 26 is provided on each side at the top opening of the outer shell 11. The side plates 26 are arranged to abut against the vertical plates 25, so that a space for accommodating a second insulation plate 27 is formed between the outer shell 11 and the inner shell 13. The shell 17 is placed between the left and right vertical plates 25, and the shape of the second insulation plate 27 is the same as the shape of the gap between the outer shell 11 and the inner shell 13.

[0029] Advantageously, a first through-hole 28 is provided on the top of the second insulation plate 27, and the first through-hole 28 passes through the left and right sides of the second insulation plate 27, a plurality of second through-holes 22 are provided in the first insulation plate 23, a plurality of third through-holes 24 are provided in the shell 17, and a fourth through-hole 41 is provided on the outer surface of the vertical plate 25 and the outer shell 11. By providing a long-rod bolt 18 passing through the fourth through-hole 41, the third through-hole 24, the second through-hole 22 and the first through-hole 28, the outer shell 11, the inner shell 13, the vertical plate 25, the side plate 26, the shell 17, the first insulation plate 23 and the second insulation plate 27 are connected and fixed at the upper position, and a nut is provided on the outer surface of the long-rod bolt 18 with a threaded connection and fixed against the outer shell 11.

[0030] Advantageously, a plurality of plug-in holes 31 are provided on the outer surface of the second insulation board 27, square holes 32 are provided on the upper and lower sides of the plug-in holes 31, internal threaded rods 33 are fixedly inserted in the plug-in holes 31 and the square holes 32, internal threaded holes 34 are provided in the internal threaded rods 33, and a plurality of short rod bolts 21 are provided in the outer plug-in plate 15 and the inner plug-in plate 14, and the short rod bolts 21 are threadedly connected with the internal threaded holes 34.

[0031] Advantageously, a through-hole corresponding to the short-stem bolt 21 is provided in the outer shell 11 , and the short-stem bolt 21 passes through the through-hole.

[0032] The outer shell 11 and the inner shell 13 are pre-bent to form a square structure, and a vertical plate 25 is bent at the top of the inner shell 13, and a side plate 26 is bent at the top of the outer shell 11. The inner shell 13 and the outer shell 11 are snap-fitted together, and the second insulation board 27 is placed in the area between the outer shell 11 and the inner shell 13; a U-shaped shell 17 is formed by bending, and the shell 17 is snap-fitted to form a box structure and placed between the vertical plates 25. The first insulation board 23 is placed in the shell 17, and the outer shell 11, the inner shell 13, the vertical plates 25, the side plates 26, the shell 17, the first insulation board 23 and the second insulation board 27 are fixed and installed by long rod bolts 18.

[0033] The end plate 12 is formed by stamping, and the inner plug-in plate 14 and the outer plug-in plate 15 are welded on one side of the end plate 12. After the inner plug-in plate 14 and the outer plug-in plate 15 are respectively clamped to one side of the outer shell 11 and the inner shell 13, the short rod bolt 21 is threadedly connected with the internal threaded hole 34 in the internal threaded rod 33 to facilitate fixing the end plate 12, the inner plug-in plate 14 and the outer plug-in plate 15 to the two ends of the outer shell 11 and the inner shell 13. A plurality of through holes can be provided in the end plate 12 to facilitate the connection and fixation of multiple air ducts.

[0034] The second insulation board 27 and the first insulation board 23 can be made of polyurethane board, which has a certain hardness and good thermal insulation properties. The first through hole 28, the plug hole 31 and the square hole 32 can be processed in the second insulation board 27 to facilitate the passage and installation of other structures.

[0035] The above is only a specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the present invention; therefore, the protection scope of the present invention should be based on the protection scope defined in the claims.

Claims

1. A heat-insulating inner liner structure of a precision air supply duct system, comprising an inner shell (13), an outer shell (11) being arranged outside the inner shell (13), and a shell (17) being arranged on top of the outer shell (11) and the inner shell (13), characterized in that: End plates (12) are provided at both ends of the outer shell (11) and the inner shell (13), an inner plug-in plate (14) is provided on one side of the end plate (12), an outer plug-in plate (15) is provided on the outer side of the inner plug-in plate (14), the outer plug-in plate (15) is plugged into the outer surface of the outer shell (11), and the inner plug-in plate (14) is plugged into the outer surface of the inner shell (13), a first heat-insulating plate (23) is provided in the shell (17), and a second heat-insulating plate (27) is provided between the outer shell (11) and the inner shell (13).

2. The thermal insulation liner structure of the precision air supply duct system according to claim 1, characterized in that: The housing (17) is formed by enclosing two U-shaped plates to form a rectangular box body.

3. The thermal insulation liner structure of the precision air supply duct system according to claim 1, characterized in that: The inner shell (13) and the outer shell (11) are both square structures.

4. The thermal insulation liner structure of the precision air supply duct system according to claim 1, characterized in that: The top opening of the inner shell (13) is provided with a vertical upward vertical plate (25) on each side, and the top opening of the outer shell (11) is provided with an L-shaped side plate (26) on each side. The side plates (26) are arranged to abut against the vertical plates (25), so that the second heat insulation plate (27) is installed between the outer shell (11) and the inner shell (13).

5. The heat-insulating inner liner structure of the precision air supply duct system according to claim 4, characterized in that: The second insulation plate (27) is provided with a first through-hole (28) on the top, the first insulation plate (23) is provided with a plurality of second through-holes (22), the shell (17) is provided with a plurality of third through-holes (24), the vertical plate (25) and the outer surface of the outer shell (11) are provided with a fourth through-hole (41), and the outer shell (11), the inner shell (13), the vertical plate (25), the side plate (26), the shell (17), the first insulation plate (23) and the second insulation plate (27) are connected and fixed by setting a long rod bolt (18) through the fourth through-hole (41), the third through-hole (24), the second through-hole (22) and the first through-hole (28).

6. The thermal insulation liner structure of the precision air supply duct system according to claim 5, characterized in that: The outer surface of the long rod bolt (18) is threadedly connected with a nut and is fixed against the outer shell (11).

7. The thermal insulation liner structure of the precision air supply duct system according to claim 5, characterized in that: The first through hole (28) passes through the left and right sides of the second heat-insulating plate (27).

8. The thermal insulation liner structure of the precision air supply duct system according to claim 1, 2, 3, 4, 5, 6, or 7, characterized in that: The outer surface of the second insulation board (27) is provided with a plurality of plug holes (31), and the upper and lower sides of the plug holes (31) are provided with square holes (32). The plug holes (31) and the square holes (32) are fixedly provided with internal threaded rods (33), and the internal threaded rods (33) are provided with internal threaded holes (34). The outer plug-in plate (15) and the inner plug-in plate (14) are provided with a plurality of short rod bolts (21), and the short rod bolts (21) are threadedly connected with the internal threaded holes (34).

9. The thermal insulation liner structure of the precision air supply duct system according to claim 8, characterized in that: A through hole corresponding to the short rod bolt (21) is provided in the outer shell (11), and the short rod bolt (21) passes through the through hole.

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