A sealing structure for a ventilation duct

Abstract

The utility model discloses a sealing structure for a ventilation duct, which relates to the technical field of duct sealing, and includes a horizontal plate and a vertical plate, wherein the horizontal plate and the vertical plate are vertically arranged, and a transition portion is fixedly arranged at one end of the horizontal plate close to the vertical plate, and the transition portion is arranged as an inclined structure at one end close to the horizontal plate, and the transition plate is arranged as a "Z"-shaped structure. The utility model arranges a horizontal plate and a vertical plate, and the outer side of the horizontal plate is provided with a horizontal side plate and a top plate, and the outer side of the vertical plate is provided with a vertical side plate and a corner plate. The horizontal plate, the horizontal side plate, the top plate, the vertical plate, the vertical side plate and the corner plate form a corner sealing structure of the ventilation duct, and the transition portion and the extension portion are arranged at one end of the horizontal plate, and the insertion portion is arranged at the top end of the vertical plate, and the insertion portion can be inserted into the interior of the transition portion to increase the thickness of the sealing layer at the duct connection, and the extension portion can extend to the inner side of the vertical plate to further enhance the sealing effect at the duct connection.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline sealing, in particular to a sealing structure of a ventilation pipeline. Background Art

[0002] In the film production industry, hot air blown out from ventilation ducts is required to dry the film surface. For some specific films, such as optical films, the cleanliness level is very high. Therefore, how to ensure the cleanliness of the hot air inside the ventilation duct is particularly important for the film production quality. Traditional technology uses stainless steel pipes to transport hot air. However, stainless steel pipes are prone to leakage at the bends due to the high-speed flow of hot air, which affects the cleanliness of the hot air inside the pipe.

[0003] For example, a corrosion-resistant ventilation duct with publication number CN217301929U, the corrosion-resistant ventilation duct is connected with an inner tube through the internal movable connection of the ventilation duct, the surface of the inner tube is connected with a sealing ring, the top of the ventilation duct is fixedly connected with a fixing ring, the inner tube can be assembled with the duct outer shell through the fixing ring, and the corrosion-resistant layer is added in the inner tube and the detachable design of the inner tube can avoid the corrosion of the inner wall of the ventilation duct, which requires replacement of the entire duct and thus increases the economic cost. The duct is convenient for disassembly and assembly, reduces the workload of personnel, and meets actual usage requirements. Although the inner tube can avoid corrosion of the inner wall of the ventilation duct, the ventilation duct is completed by splicing multiple pipe units, and the splicing is connected by connecting flanges and sealing rings are installed at the connections to prevent air leakage at the connections.

[0004] The above-mentioned detachable inner tube is inconvenient in that although it can protect the pipeline, the protection of the pipeline joints is poor, especially the corner joints of the pipeline.

[0005] Therefore, it is necessary to invent a sealing structure for a ventilation duct to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a sealing structure for a ventilation duct to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing structure for a ventilation duct, comprising a horizontal plate and a vertical plate, wherein the horizontal plate and the vertical plate are vertically arranged, a transition portion is fixedly arranged at one end of the horizontal plate close to the vertical plate, the transition portion is arranged as an inclined structure at one end close to the horizontal plate, and the transition portion is arranged as a "Z"-shaped structure, an extension portion is fixedly arranged at one end of the transition portion close to the vertical plate, the extension portion is arranged as a vertical structure corresponding to the vertical plate, an insertion portion is fixedly arranged at the top end of the vertical plate, and the insertion portion is arranged inside the transition portion, horizontal side plates are arranged on both sides of the horizontal plate, vertical side plates are arranged on both sides of the vertical plate, a top plate is arranged between the two horizontal side plates, a corner plate is arranged between the two vertical side plates, and the corner plate is arranged as an "L"-shaped structure.

[0008] Preferably, fixing frames are provided on both sides of the transverse side panels and the vertical side panels, and the four fixing frames are fixedly connected by connecting bolts.

[0009] Preferably, slots are provided through the outer side walls of the transverse side panels and the vertical side panels.

[0010] Preferably, plug blocks are fixedly provided on both sides of the horizontal plate, the vertical plate, the top plate and the overlapping plate, and the plug blocks correspond to the slots.

[0011] Preferably, a lap plate is fixedly provided on one end of the inner side of the top plate and the lateral side plate, and the lap plate extends to the inside of the vertical side plate.

[0012] Preferably, the lap plate is arranged as a "factory"-shaped structure.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model is provided with a horizontal plate and a vertical plate, and a horizontal side plate and a top plate are provided on the outside of the horizontal plate, and a vertical side plate and a corner plate are provided on the outside of the vertical plate. The horizontal plate, the horizontal side plate, the top plate, the vertical plate, the vertical side plate and the corner plate form a corner sealing structure of the ventilation duct. By providing a transition portion and an extension portion at one end of the horizontal plate, and providing an insertion portion at the top end of the vertical plate, the insertion portion can be inserted into the transition portion to increase the thickness of the sealing layer at the connection of the duct, and the extension portion can extend to the inner side of the vertical plate to further improve the sealing effect at the connection of the duct;

[0015] 2. The utility model provides transverse side panels and a top panel, and transition portions are provided on the inner sides of the transverse side panels and the top panel. The transition portions are provided in a "plant"-shaped structure, and the transition portions extend to the interior of the vertical side panels. The provision of the transition portions further seals the connection between the transverse side panels and the vertical side panels, thereby further improving the sealing effect of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic cross-sectional view of the overall structure of the utility model.

[0018] Figure 3 It is a schematic cross-sectional view of the horizontal plate structure of the utility model.

[0019] Figure 4 It is a schematic cross-sectional view of the vertical plate structure of the present utility model.

[0020] In the figure: 1, horizontal plate; 2, vertical plate; 3, transition part; 4, extension part; 5, insertion part; 6, horizontal side plate; 7, vertical side plate; 8, top plate; 9, transition part; 10, corner plate; 11, fixing frame; 12, connecting bolt; 13, slot; 14, plug block. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides Figure 1-4 A sealing structure of a ventilation duct shown in the figure comprises a horizontal plate 1 and a vertical plate 2, the horizontal plate 1 and the vertical plate 2 are arranged vertically, a transition portion 3 is fixedly arranged at one end of the horizontal plate 1 close to the vertical plate 2, the transition portion 3 is arranged at one end close to the horizontal plate 1 as an inclined structure, and the transition portion 3 is arranged as a "Z"-shaped structure, an extension portion 4 is fixedly arranged at one end of the transition portion 3 close to the vertical plate 2, the extension portion 4 is arranged as a vertical structure corresponding to the vertical plate 2, an insertion portion 5 is fixedly arranged at the top end of the vertical plate 2, and the insertion portion 5 is arranged inside the transition portion 3, and a three-layer sealing structure is formed between the transition portion 3 and the insertion portion 5, which can effectively improve the sealing performance of the duct;

[0023] Specifically, transverse side panels 6 are provided on both sides of the transverse plate 1, vertical side panels 7 are provided on both sides of the vertical plate 2, a top plate 8 is provided between the two transverse side panels 6, a corner panel 10 is provided between the two vertical side panels 7, and the corner panel 10 is provided in an "L"-shaped structure. The corner panel 10 adopts an integrated structure, which has higher wind resistance, thereby better ensuring the sealing effect of the pipeline connection;

[0024] More specifically, a lap plate 9 is fixedly provided at one end of the inner side of the top plate 8 and the horizontal side plate 6, and the lap plate 9 extends to the inside of the vertical side plate 7. The lap plate 9 is arranged in a "factory" shape structure, and the lap plate 9 can cover the connection between the horizontal side plate 6 and the vertical side plate 7 to improve the sealing effect thereof;

[0025] In addition, fixing frames 11 are provided on both sides of the transverse side plate 6 and the vertical side plate 7, and the four fixing frames 11 are fixedly connected by connecting bolts 12. The four fixing frames 11 can respectively fix the positions between the transverse side plate 6 and the vertical side plate 7 to ensure the structural strength of the corner connection of the pipeline;

[0026] Moreover, slots 13 are provided through the outer walls of the horizontal side panels 6 and the vertical side panels 7, and plug blocks 14 are fixedly provided on both sides of the horizontal panel 1, the vertical panel 2, the top panel 8 and the lap panel 9, and the plug blocks 14 correspond to the slots 13. The plug blocks 14 cooperate with the slots 13, which facilitates the assembly between the horizontal panel 1, the horizontal side panels 6, the top panel 8, the vertical panel 2, the vertical side panels 7 and the corner panel 10.

[0027] In summary, the utility model provides a transverse plate 1 and a vertical plate 2, and the outer side of the transverse plate 1 is provided with a transverse side plate 6 and a top plate 8, and the outer side of the vertical plate 2 is provided with a vertical side plate 7 and a corner plate. The transverse plate 1, the transverse side plate 6, the top plate 8, the vertical plate 2, the vertical side plate 7 and the corner plate 10 form a corner sealing structure of the ventilation duct, and a transition portion 93 and an extension portion 4 are provided at one end of the transverse plate 1, and an insertion portion 5 is provided at the top end of the vertical plate 2. The insertion portion 5 can be inserted into the transition portion 93 to increase the thickness of the sealing layer at the pipe connection, and the extension portion 4 can extend to the inner side of the vertical plate 2 to further enhance the sealing effect of the pipe connection. The inner sides of the transverse side plates 6 and the top plate 8 are both provided with transition portions 93, and the transition portion 93 is provided as a "factory"-shaped structure, and the transition portion 93 extends to the inside of the vertical side plates 7. The provision of the transition portion 93 further seals the connection between the transverse side plates 6 and the vertical side plates 7, thereby further enhancing the sealing effect of the pipe.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A sealing structure for a ventilation duct, comprising a horizontal plate (1) and a vertical plate (2), characterized in that: The horizontal plate (1) and the vertical plate (2) are arranged vertically. A transition portion (3) is fixedly arranged at one end of the horizontal plate (1) close to the vertical plate (2). The end of the transition portion (3) close to the horizontal plate (1) is arranged as an inclined structure, and the transition portion (3) is arranged as a "Z"-shaped structure. An extension portion (4) is fixedly arranged at one end of the transition portion (3) close to the vertical plate (2). The extension portion (4) is arranged as a vertical structure corresponding to the vertical plate (2). An insertion portion (5) is fixedly arranged at the top end of the vertical plate (2), and the insertion portion (5) is arranged inside the transition portion (3). Both sides of the horizontal plate (1) are provided with horizontal side plates (6), and both sides of the vertical plate (2) are provided with vertical side plates (7). A top plate (8) is arranged between the two horizontal side plates (6), and a corner plate (10) is arranged between the two vertical side plates (7), and the corner plate (10) is arranged as an "L"-shaped structure.

2. A sealing structure for a ventilation duct according to claim 1, characterized in that: Fixing frames (11) are provided on both sides of the transverse side plate (6) and the vertical side plate (7), and the four fixing frames (11) are fixedly connected by connecting bolts (12).

3. A sealing structure for a ventilation duct according to claim 2, characterized in that: The outer side walls of the transverse side plate (6) and the vertical side plate (7) are both penetrated by slots (13).

4. A sealing structure for a ventilation duct according to claim 3, characterized in that: Insertion blocks (14) are fixedly arranged on both sides of the horizontal plate (1), the vertical plate (2), the top plate (8) and the overlapping plate (9), and the insertion blocks (14) correspond to the slots (13).

5. A sealing structure for a ventilation duct according to claim 4, characterized in that: A lap plate (9) is fixedly provided on one end of the inner side of the top plate (8) and the transverse side plate (6), and the lap plate (9) extends to the inside of the vertical side plate (7).

6. A sealing structure for a ventilation duct according to claim 5, characterized in that: The lap plate (9) is arranged as a "factory" shaped structure.

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