Air pipe structure convenient to connect and fix

Abstract

The utility model relates to the technical field of air pipes, in particular to an air pipe structure convenient to connect and fix, which comprises an air pipe, connecting discs are fixed at two ends of the air pipe, a notch is arranged on the surface of the connecting disc at one end of the air pipe, and a splicing plate is mounted on the surface of the connecting disc at the other end of the air pipe. The splicing plates at the ends of one set of air pipes are inserted into the notches in the ends of the other set of air pipes, barrier strips are movably connected to the surfaces of the splicing plates in an inserted mode, and after the splicing plates penetrate through the corresponding notches, the barrier strips block one side of the connecting disc. The air duct connecting structure has the beneficial effects that the notches are formed in the connecting discs at the ends of one group of air ducts, the splicing plates are mounted on the connecting discs at the ends of the other group of air ducts, the splicing plates are inserted into the notches during connection, and the width of a plate body of each splicing plate is larger than the sum of the thicknesses of the two connecting discs, so that the two air ducts can be quickly aligned; a lot of time and manpower are not needed for adjustment, and the construction efficiency is greatly improved.

Description

A duct structure that is easy to connect and fix Technical Field

[0001] This utility model relates to the field of duct technology, specifically to a duct structure that is easy to connect and fix. Background Technology

[0002] In ventilation and air conditioning systems, ductwork is a crucial component for air transport, and the ease and stability of its connection and fixation are paramount. Traditional duct connections typically use flanges, where flanges are installed at both ends of the duct and bolted together. However, this method has some shortcomings in practical operation:

[0003] Alignment difficulties: During the connection process, due to the long length and heavy weight of the duct, it is difficult to ensure that the flanges at the ends of the two ducts are perfectly aligned, which requires a lot of time and manpower for adjustment, reducing construction efficiency.

[0004] Insufficient connection stability: Relying solely on bolted flanges, during long-term use, factors such as airflow impact and vibration within the duct may cause the bolts to loosen, leading to air leakage at the connection point, affecting ventilation efficiency and system stability.

[0005] Inconvenient disassembly: When it is necessary to maintain, repair or replace parts of the duct system, a large number of bolts need to be removed to separate the duct, which is cumbersome and increases maintenance costs and time.

[0006] To solve the above problems, it is necessary to develop a new duct structure to achieve a quick, stable, and easy-to-disassemble connection and fixation between ducts. Summary of the Invention

[0007] The purpose of this invention is to provide a duct structure that is easy to connect and fix, so as to solve the problems mentioned in the background art.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a duct structure that is easy to connect and fix, including a duct, with connecting plates fixed at both ends of the duct. A notch is opened on the surface of the connecting plate at one end of the duct, and an assembly plate is installed on the surface of the connecting plate at the other end of the duct. When two sets of ducts are assembled end to end, the assembly plate at the end of one set of ducts is inserted into the notch at the end of the other set of ducts. A stop bar is movably inserted into the surface of the assembly plate. After the assembly plate passes through the corresponding notch, the stop bar blocks one side of the connecting plate.

[0009] Preferably, the notch is a square notch, the width of the assembly plate is greater than the sum of the thicknesses of the two connecting plates, a perforation is opened on the surface of a set of connecting plates, a screw is inserted into the perforation, one end of the screw is fixed to the surface of the assembly plate, and a nut is screwed onto the other end of the screw.

[0010] Preferably, the surface of the assembly plate is provided with an installation groove, one end of the baffle is inserted into the installation groove, and the baffle is in the shape of a "U". A rubber traction plate is fixed in the groove of the baffle, one end of the rubber traction plate is fixed inside the installation groove, and the other end of the baffle is provided with a slope.

[0011] Preferably, the surface of the assembly plate is provided with a reserved groove, the reserved groove and the installation groove are symmetrically distributed about the assembly plate, the bottom surface of the reserved groove is provided with multiple through holes, a pull rod is inserted into the through hole, the bottom end of the pull rod is fixed to the surface of the stop strip, and the other end of the pull rod is fixed to the surface of the pull plate.

[0012] Preferably, a pull ring is fixed to the surface of the pull plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The duct structure proposed in this utility model facilitates connection and fixation. By setting notches on the connecting plates at the ends of one set of ducts and installing assembly plates on the connecting plates at the ends of another set of ducts, the assembly plates are inserted into the notches during connection. Since the width of the assembly plate is greater than the sum of the thicknesses of the two connecting plates, the two ducts can be quickly aligned without spending a lot of time and manpower on adjustments, which greatly improves construction efficiency.

[0015] The baffle is a U-shaped plate with a rubber traction plate fixed in its groove. One end of the rubber traction plate is fixed inside the mounting groove. This structural design ensures that the baffle can stably block one side of the connecting plate, and utilizes the elasticity of the rubber traction plate to buffer the baffle when it retracts into the mounting groove, while also preventing the baffle from shaking in the mounting groove. The reserved groove and the mounting groove are symmetrically distributed about the assembly plate. The through holes on the bottom of the reserved groove are used to insert tie rods, making the overall structural layout reasonable and the fit between the components tight, ensuring the reliability and stability of the duct connection structure. Attached Figure Description

[0016] Figure 1 is a schematic diagram of the structure of this utility model;

[0017] Figure 2 is a schematic diagram of the structure of the present invention after the two sets of air ducts are connected;

[0018] Figure 3 is a top view of the structure in Figure 2;

[0019] Figure 4 is a cross-sectional view of the structure at point AA in Figure 3;

[0020] Figure 5 is an enlarged schematic diagram of the structure at point A in Figure 4;

[0021] Figure 6 is an enlarged schematic diagram of the structure at point B in Figure 5;

[0022] Figure 7 is a schematic diagram of the baffle structure of this utility model;

[0023] Figure 8 is a side view of the structure in Figure 2;

[0024] Figure 9 is a cross-sectional view of the structure at point BB in Figure 8;

[0025] Figure 10 is an enlarged schematic diagram of the structure at point C in Figure 9.

[0026] In the diagram: 1. Duct 2. Connecting plate 3. Notch 4. Assembly plate 5. Perforation 6. Screw 7. Nut 8. Mounting groove 9. Stop bar 10. Rubber traction plate 11. Reserved groove 12. Through hole 13. Pull rod 14. Pull plate 15. Pull ring Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] Please refer to Figures 1 to 10. This utility model provides a technical solution: a duct structure that is easy to connect and fix, including a duct 1, with connecting plates 2 fixed at both ends of the duct 1. A notch 3 is opened on the surface of the connecting plate 2 at one end of the duct 1, and an assembly plate 4 is installed on the surface of the connecting plate 2 at the other end of the duct 1. When two sets of ducts 1 are assembled end to end, the assembly plate 4 at the end of one set of ducts 1 is inserted into the notch 3 at the end of the other set of ducts 1. The notch 3 is a square groove. The width of the assembly plate 4 is greater than the sum of the thicknesses of the two connecting plates 2. A through hole 5 is opened on the surface of one set of connecting plates 2. A screw 6 is inserted into the through hole 5. One end of the screw 6 is fixed to the surface of the assembly plate 4, and a nut 7 is screwed onto the other end of the screw 6. When the two air ducts 1 are connected end to end, the two air ducts 1 are aligned because the assembly plate 4 is inserted into the corresponding notch 3. At this time, the bolt holes on the surface of the connecting plate 2 at the ends of the two sets of air ducts 1 are connected. After the bolts are passed through the bolt holes on the surface of the two sets of connecting plates 2, they are locked, thus completing the quick alignment and connection of the two air ducts 1.

[0029] A stop bar 9 is movably inserted into the surface of the assembly plate 4. After the assembly plate 4 passes through the corresponding notch 3, the stop bar 9 blocks one side of the connecting plate 2. An installation groove 8 is opened on the surface of the assembly plate 4. One end of the stop bar 9 is inserted into the installation groove 8, and the stop bar 9 is in the shape of a "U". A rubber traction plate 10 is fixed in the groove of the stop bar 9. One end of the rubber traction plate 10 is fixed inside the installation groove 8, and the other end of the stop bar 9 is provided with a slope. A reserved groove 11 is opened on the surface of the assembly plate 4. The reserved groove 11 and the installation groove 8 are symmetrically distributed about the assembly plate 4. Multiple through holes 12 are opened on the bottom surface of the reserved groove 11. A pull rod 13 is inserted into the through hole 12. The bottom end of the pull rod 13 is fixed to the surface of the stop bar 9, and the other end of the pull rod 13 is fixed to the surface of the pull plate 14. A pull ring 15 is fixed on the surface of the pull plate 14. When the assembly plate 4 is inserted into the corresponding notch 3, the stop bar 9 blocks one side of the connecting plate 2. At this time, the rubber traction plate 10 is in its initial state, supporting the stop bar 9 and preventing the stop bar 9 from bouncing in the mounting groove 8. In this way, the two connecting plates 2 will not be misaligned when the bolts are not installed. By adding bolts, the connection between the two connecting plates 2 is reinforced. If it is necessary to disassemble the two connecting plates 2, first remove the bolts, then squeeze the pull ring 15 to pull the pull plate 14. The pull plate 14 pulls the stop bar 9 into the mounting groove 8 through the pull rod 13, and the assembly plate 4 can be pulled out of the notch 3 to complete the disassembly of the two connecting plates 2.

[0030] This duct structure is used to quickly connect and fix the ends of two ducts. The specific usage method is as follows:

[0031] The assembly plate 4 at one end of one set of air duct 1 is aligned and inserted into the notch 3 on the surface of the connecting plate 2 at the other end of the air duct 1. Since the notch 3 is a square groove, the width of the assembly plate 4 is greater than the sum of the thicknesses of the two connecting plates 2, ensuring that the assembly plate 4 can smoothly enter the notch 3 during insertion, and that the two air ducts 1 are initially aligned after insertion. After the assembly plate 4 passes through the notch 3, the stop strip 9, which was originally movably inserted into the surface of the assembly plate 4, is supported by the rubber traction plate 10 (at this time, the rubber traction plate 10 is in its initial state), and the stop strip 9 blocks one side of the connecting plate 2, preventing the two connecting plates 2 from being misaligned when the bolts are not installed. The stop strip 9 is a U-shaped plate, and one end of the rubber traction plate 10 fixed in its groove is fixed inside the mounting groove 8 on the surface of the assembly plate 4, and one end of the stop strip 9 is inserted into the mounting groove 8. After the two air ducts 1 are initially aligned and the baffle 9 is positioned, the bolt holes on the surface of the connecting plate 2 at the ends of the two sets of air ducts 1 are connected. At this time, the bolts are passed through the bolt holes on the surface of the two sets of connecting plates 2 and locked, thereby completing the quick alignment and connection of the two air ducts 1.

[0032] To disassemble the two connecting plates 2, first remove the bolts connecting the two sets of air ducts 1. Squeeze the pull ring 15 to tension the pull plate 14. Since the pull plate 14 is connected to the baffle 9 via the pull rod 13 (the bottom end of the pull rod 13 is fixed to the surface of the baffle 9, and the other end is fixed to the surface of the pull plate 14, and the pull rod 13 is inserted into the through hole 12 opened on the bottom surface of the reserved groove 11, the reserved groove 11 and the mounting groove 8 are symmetrically distributed about the assembly plate 4), the pull plate 14 pulls the baffle 9 into the mounting groove 8 via the pull rod 13. Pull the assembly plate 4 out of the notch 3 to complete the disassembly of the two connecting plates 2 and achieve the disassembly of the two air ducts 1.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A duct structure that is easy to connect and fix, comprising a duct (1), wherein both ends of the duct (1) are fixed with connecting plates (2), characterized in that: The air duct (1) has a notch (3) on the surface of the connecting plate (2) at one end, and an assembly plate (4) is installed on the surface of the connecting plate (2) at the other end. When the two sets of air ducts (1) are assembled end to end, the assembly plate (4) at the end of one set of air ducts (1) is inserted into the notch (3) at the end of the other set of air ducts (1). A baffle (9) is movably inserted into the surface of the assembly plate (4). After the assembly plate (4) passes through the corresponding notch (3), the baffle (9) blocks one side of the connecting plate (2).

2. The duct structure for easy connection and fixation according to claim 1, characterized in that: The notch (3) is a square groove. The width of the assembly plate (4) is greater than the sum of the thicknesses of the two connecting plates (2). A perforation (5) is opened on the surface of a set of connecting plates (2). A screw (6) is inserted into the perforation (5). One end of the screw (6) is fixed to the surface of the assembly plate (4), and the other end of the screw (6) is fitted with a nut (7).

3. The duct structure for easy connection and fixation according to claim 2, characterized in that: The surface of the assembly plate (4) is provided with an installation groove (8), one end of the baffle (9) is inserted into the installation groove (8), and the baffle (9) is in the shape of a "U". A rubber traction plate (10) is fixed in the groove of the baffle (9), one end of the rubber traction plate (10) is fixed inside the installation groove (8), and the other end of the baffle (9) is provided with a slope.

4. The duct structure of claim 3, wherein: The surface of the assembly plate (4) is provided with a reserved groove (11). The reserved groove (11) and the installation groove (8) are symmetrically distributed about the assembly plate (4). The bottom surface of the reserved groove (11) is provided with multiple through holes (12). A pull rod (13) is inserted into the through hole (12). The bottom end of the pull rod (13) is fixed to the surface of the stop bar (9), and the other end of the pull rod (13) is fixed to the surface of the pull plate (14).

5. The duct structure of claim 4, wherein: A pull ring (15) is fixed to the surface of the pull plate (14).

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