Flexible composite rubber and plastic heat preservation air pipe of combined air supply system

Abstract

The utility model discloses a flexible composite rubber and plastic heat preservation air pipe of a combined air supply system, which relates to the technical field of heat preservation air pipes and comprises a first heat preservation air pipe and a second heat preservation air pipe, and a first connecting frame and a second connecting frame are mounted on the left side and the right side of each of the first heat preservation air pipe and the second heat preservation air pipe. Inserting grooves are formed in the top and the bottom of the right side of the second connecting frame, limiting clamping grooves are formed in the top and the bottom of the second connecting frame, inserting frames are mounted at the top and the bottom of the left side of the first connecting frame, mounting grooves are formed in the inserting frames, limiting clamping blocks are inserted into the inner sides of the mounting grooves, and reset springs are connected between the limiting clamping blocks and the mounting grooves; the first connecting frame, the second connecting frame, the inserting groove, the limiting clamping groove, the inserting frame, the mounting groove, the limiting clamping block and the reset spring are used in cooperation, so that mounting and combination of the first heat preservation air pipe and the second heat preservation air pipe are achieved conveniently, operation is easy and convenient during mounting or dismounting, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat-insulating air ducts, in particular to a flexible composite rubber-plastic heat-insulating air duct of a combined air supply system. Background Art

[0002] The air supply system is an air conditioning system whose main function is to distribute processed air to different areas of a building through specific equipment and pipes to regulate indoor temperature and provide a comfortable living or working environment. In the air supply system, the air duct is the core component and is used for air circulation.

[0003] In the existing technology, when the flexible composite rubber-plastic insulated air duct of the air supply system is installed and assembled, bolt connection is mostly adopted. However, this connection method is cumbersome, time-consuming and labor-intensive to install or disassemble. Therefore, it is necessary to propose a flexible composite rubber-plastic insulated air duct for a combined air supply system. Utility Model Content

[0004] The utility model aims to provide a flexible composite rubber-plastic heat-insulating air duct of a combined air supply system to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flexible composite rubber-plastic insulated air duct of a combined air supply system, comprising a first insulated air duct and a second insulated air duct, the first insulated air duct and the second insulated air duct are both installed with a first connecting frame on the left side, the first insulated air duct and the second insulated air duct are both installed with a second connecting frame on the right side, the top and bottom of the right side of the second connecting frame are both provided with slots, the top and bottom of the second connecting frame are both provided with limit card slots connected to the slots, the top and bottom of the left side of the first connecting frame are both installed with an insertion frame, the interior of the insertion frame is provided with an installation slot, a limit card block is inserted into the inner side of the installation slot, a reset spring is connected between the limit card block and the installation slot, and the surfaces of the first insulated air duct and the second insulated air duct are both provided with an insulation layer, and the outer side of the insulation layer is provided with a flame retardant layer.

[0006] Preferably, the number and size of the inserting frame are consistent with those of the slots, and the number and size of the limiting card blocks are consistent with those of the limiting card slots.

[0007] Preferably, the front end and the rear end of the right side of the second connecting frame are both provided with reinforcement grooves, and the front end and the rear end of the left side of the first connecting frame are both provided with reinforcement strips, and the reinforcement strips are adapted to the reinforcement grooves.

[0008] Preferably, sealing grooves are provided on inner sides of the first connecting frame and the second connecting frame, and sealing gaskets are provided in the sealing grooves.

[0009] Preferably, the thermal insulation layer is made of aluminum silicate fiber material.

[0010] Preferably, the flame retardant layer is made of halogen-free, low-smoke, flame retardant polyolefin material.

[0011] Preferably, four ear plates distributed in a circular array are installed on the top of the first heat-insulating air duct and the second heat-insulating air duct, and through holes are opened on the top of the ear plates.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, the first connection frame and the second connection frame can be connected together through the coordinated use of the slot, the limit card slot, the insertion frame, the installation slot, the limit card block and the return spring, so as to facilitate the installation combination of the first insulation air duct and the second insulation air duct, so that the operation is relatively simple during installation or disassembly, saving time and effort. The coordinated use of the reinforcement groove and the reinforcement strip can improve the connection strength between the first connection frame and the second connection frame. The coordinated use of the sealing groove and the sealing gasket can improve the sealing of the connection.

[0014] 2. In the utility model, the thermal insulation layer made of aluminum silicate fiber material can effectively reduce the transfer of heat, and thus can play a good thermal insulation role for the gas flowing in the thermal insulation air duct. The flame retardant layer made of halogen-free low-smoke flame retardant polyolefin material can delay the spread of fire and is not easy to produce toxic smoke and high-concentration smoke, so that it is not easy to cause large economic losses in the event of a fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0017] Figure 3 It is a schematic diagram of the surface structure of the first thermal insulation air duct of the utility model.

[0018] In the figure: 1. first heat-insulating air duct; 2. second heat-insulating air duct; 3. first connecting frame; 4. second connecting frame; 5. slot; 6. limit card slot; 7. plug-in frame; 8. mounting slot; 9. limit card block; 10. return spring; 11. reinforcement slot; 12. reinforcement strip; 13. sealing slot; 14. sealing gasket; 15. heat-insulating layer; 16. flame-retardant layer; 17. ear plate; 18. through hole. DETAILED DESCRIPTION

[0019] 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.

[0020] Embodiment 1:

[0021] See also Figure 1 and Figure 3 The utility model provides a technical solution: a flexible composite rubber-plastic insulated air duct of a combined air supply system, comprising a first insulated air duct 1 and a second insulated air duct 2, the first insulated air duct 1 and the second insulated air duct 2 are both made of a flexible composite rubber-plastic material, the surfaces of the first insulated air duct 1 and the second insulated air duct 2 are both provided with an insulation layer 15, the insulation layer 15 is made of an aluminum silicate fiber material, a flame retardant layer 16 is provided on the outer side of the insulation layer 15, the flame retardant layer 16 is made of a halogen-free, low-smoke, flame-retardant polyolefin material, the air duct is a core component in the air supply system, and is used for air circulation, the insulation layer 15 made of an aluminum silicate fiber material can effectively reduce heat transfer, and thus can have a good insulation effect on the gas flowing in the insulation air duct, the flame retardant layer 16 made of a halogen-free, low-smoke, flame-retardant polyolefin material can play a role in delaying the fire, and is not easy to generate toxic smoke and high-concentration smoke, so that it is not easy to cause large economic losses when a fire occurs.

[0022] In this embodiment, please refer to Figure 1 and Figure 2 A first connecting frame 3 is installed on the left side of the first insulation air duct 1 and the second insulation air duct 2, a second connecting frame 4 is installed on the right side of the first insulation air duct 1 and the second insulation air duct 2, a slot 5 is opened at the top and bottom of the right side of the second connecting frame 4, and a limit card slot 6 connected to the slot 5 is opened at the top and bottom of the second connecting frame 4. An insertion frame 7 is installed at the top and bottom of the left side of the first connecting frame 3. The number and size of the insertion frame 7 are consistent with those of the slot 5. An installation slot 8 is opened inside the insertion frame 7, and a limit card slot is inserted inside the installation slot 8. Block 9, a reset spring 10 is connected between the limit card block 9 and the installation groove 8, the number and size of the limit card block 9 are consistent with the limit card slot 6, and the limit card block 9 is inserted into the slot 5 on the second connection frame 4 by aligning the insertion frame 7 on the first connection frame 3, so that the limit card block 9 is inserted into the limit card slot 6 under the elastic force of the reset spring 10, and the first connection frame 3 and the second connection frame 4 can be connected together, thereby facilitating the installation combination of the first insulation air duct 1 and the second insulation air duct 2, making the operation simpler during installation or disassembly, saving time and effort.

[0023] In this embodiment, please refer to Figure 1A reinforcement groove 11 is provided at the front end and the rear end on the right side of the second connecting frame 4, and a reinforcement strip 12 is installed at the front end and the rear end on the left side of the first connecting frame 3. The reinforcement strip 12 is adapted to the reinforcement groove 11. By using the reinforcement groove 11 and the reinforcement strip 12 in coordination, the connection strength between the first connecting frame 3 and the second connecting frame 4 can be improved.

[0024] In this embodiment, please refer to Figure 1 A sealing groove 13 is provided on the inner side of the first connection frame 3 and the second connection frame 4. A sealing gasket 14 is provided in the sealing groove 13. The sealing performance of the connection can be improved by using the sealing groove 13 and the sealing gasket 14 in combination.

[0025] Embodiment 2:

[0026] See also Figure 1 This embodiment is different from the first embodiment in that four ear plates 17 distributed in a circular array are installed on the top of the first insulation air duct 1 and the second insulation air duct 2, and a through hole 18 is opened on the top of the ear plate 17. The ear plate 17 and the through hole 18 are used in combination to facilitate the connection of the suspension rod, thereby facilitating the hanging operation.

[0027] 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. A flexible composite rubber-plastic insulation air duct for a combined air supply system, characterized in that: The invention comprises a first heat-insulating air duct (1) and a second heat-insulating air duct (2), wherein a first connecting frame (3) is installed on the left side of each of the first heat-insulating air duct (1) and the second heat-insulating air duct (2), and a second connecting frame (4) is installed on the right side of each of the first heat-insulating air duct (1) and the second heat-insulating air duct (2), and a slot (5) is provided at the top and bottom of the right side of the second connecting frame (4), and a limit slot (6) connected to the slot (5) is provided at the top and bottom of the second connecting frame (4). ), the top and bottom of the left side of the first connection frame (3) are both installed with an insertion frame (7), a mounting groove (8) is provided inside the insertion frame (7), a limit block (9) is inserted inside the mounting groove (8), a return spring (10) is connected between the limit block (9) and the mounting groove (8), the surfaces of the first insulation air duct (1) and the second insulation air duct (2) are both provided with an insulation layer (15), and a flame retardant layer (16) is provided on the outer side of the insulation layer (15).

2. The flexible composite rubber-plastic heat-insulating air duct of the combined air supply system according to claim 1, characterized in that: The number and size of the inserting frame (7) are consistent with those of the slot (5), and the number and size of the limiting card block (9) are consistent with those of the limiting card slot (6).

3. The flexible composite rubber-plastic heat-insulating air duct of the combined air supply system according to claim 1, characterized in that: The front and rear ends of the right side of the second connection frame (4) are both provided with reinforcement grooves (11), and the front and rear ends of the left side of the first connection frame (3) are both provided with reinforcement strips (12), and the reinforcement strips (12) are adapted to the reinforcement grooves (11).

4. The flexible composite rubber-plastic heat-insulating air duct of the combined air supply system according to claim 1, characterized in that: The first connection frame (3) and the second connection frame (4) are both provided with sealing grooves (13) on their inner sides, and sealing pads (14) are arranged in the sealing grooves (13).

5. The flexible composite rubber-plastic heat-insulating air duct of the combined air supply system according to claim 1, characterized in that: The thermal insulation layer (15) is made of aluminum silicate fiber material.

6. The flexible composite rubber-plastic heat-insulating air duct of the combined air supply system according to claim 1, characterized in that: The flame retardant layer (16) is made of halogen-free, low-smoke, flame retardant polyolefin material.

7. The flexible composite rubber-plastic heat-insulating air duct of the combined air supply system according to claim 1, characterized in that: Four ear plates (17) distributed in a circular array are installed on the top of each of the first heat-insulating air duct (1) and the second heat-insulating air duct (2), and a through hole (18) is opened on the top of each of the ear plates (17).

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