Quick connection type galvanized air pipe

Abstract

The utility model discloses a quick connection type galvanized air pipe which comprises two groups of galvanized air pipes, butt joint fixing assemblies are arranged in the middle positions of one sides of the top and the bottom of each galvanized air pipe, and an inserting plate is arranged in the middle position of the other side of the top and the bottom of each galvanized air pipe. Clamping blocks are arranged on the side, away from the galvanized air pipe, of the top of one inserting plate and the side, away from the galvanized air pipe, of the bottom of the other inserting plate, an extension pipe is arranged on the side, close to the inserting plates, in the galvanized air pipe and extends to the outside of the galvanized air pipe, and an internal thread groove is formed in the side, away from the galvanized air pipe, of the extension pipe. Through the structural design of the inserting plates, the limiting plates, the clamping blocks, the fixing grooves, the extension grooves and the springs, the later-stage quick connection function of the galvanized air pipe can be achieved, the screwing work of multiple sets of threads is achieved without an operator, and the convenience and flexibility of later-stage assembly of the galvanized air pipe by the operator are effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of galvanized air duct technology, specifically a quick-connect galvanized air duct. Background Technology

[0002] Galvanized ducts are commonly used in air conditioning, ventilation, and exhaust systems. They are made using galvanizing technology, which coats the surface of the steel pipe with a layer of zinc to enhance rust resistance, thereby improving their durability and service life. Therefore, a quick-connect galvanized duct design is necessary.

[0003] In the current process of connecting galvanized air ducts, most of them are fixed by tightening multiple sets of threads. Although this connection method is relatively strong, the tightening of multiple sets of threads is cumbersome, which reduces the convenience and flexibility of disassembly and assembly for operators. In addition, although the threaded connection method is relatively strong, the sealing performance of the galvanized pipe connection is poor, which can easily cause air to leak out of the galvanized air duct, affecting the efficiency of air transmission in the later stage. Utility Model Content

[0004] The purpose of this utility model is to provide a quick-connect galvanized air duct, which solves the problem of the cumbersome fixed connection method of existing galvanized air ducts by tightening multiple sets of threads. At the same time, it can also improve the sealing performance of the galvanized air duct connection and ensure the efficiency of subsequent transmission.

[0005] To achieve the above objectives, a quick-connect galvanized air duct is provided, comprising a galvanized air duct with two sets of galvanized air ducts. A connecting and fixing assembly is provided at the middle position of one side of the top and bottom of the galvanized air duct. An insert plate is provided at the middle position of the other side of the top and bottom of the galvanized air duct. A locking block is provided on the side of the top of one set of insert plates away from the galvanized air duct and on the side of the bottom of the other set of insert plates away from the galvanized air duct. An extension tube is provided inside the galvanized air duct near the insert plate, extending to the outside of the galvanized air duct. An internal threaded groove is formed on the side of the extension tube away from the galvanized air duct. A threaded through-tube extending to the outside of the internal threaded groove is threadedly fitted inside the internal threaded groove. A filter screen plate that mates with the extension tube is provided on the side of the threaded through-tube away from the internal threaded groove. A sealing ring is provided on the other side of the inside of the galvanized air duct, and the sealing ring mates with the filter screen plate.

[0006] According to the quick-connect galvanized air duct, the docking and fixing assembly includes a fixing groove, an extension groove, a spring, and a limiting plate. Two sets of fixing grooves are provided, installed at the middle position on one side of the top and bottom of the galvanized air duct, and the fixing grooves cooperate with the insert plate. An extension groove is provided at the top of one set of fixing grooves and at the bottom of the other set, and the extension grooves are connected to the interior of the fixing grooves. A limiting plate extending into the interior of the fixing groove is provided at the inner bottom of one set of extension grooves and at the inner top of the other set of extension grooves, and the limiting plate cooperates with the locking block. A spring connected to the limiting plate is provided at the inner top of one set of extension grooves and at the inner bottom of the other set of fixing grooves.

[0007] According to the quick-connect galvanized air duct, a connecting rod is provided through the middle position of the top of one set of extension grooves and the middle position of the bottom of another set of extension grooves, and the connecting rod is connected to the limiting plate by a spring.

[0008] According to the quick-connect galvanized air duct, the top and bottom of the two sets of clamps and the two sets of limiting plates on the side close to each other are provided with guide slopes, and the two sets of guide slopes cooperate with each other.

[0009] According to the quick-connect galvanized air duct, a fixing block is provided on the side of the bottom of one set of insert plates away from the locking block and on the side of the top of another set of insert plates away from the locking block, and the fixing block is connected to the galvanized air duct.

[0010] According to the quick-connect galvanized air duct, both sets of springs are coated with an anti-rust coating on their exteriors, and the springs are connected to the interior of the limiting plate and the extension groove.

[0011] Compared with the prior art, the beneficial effects of this utility model are: through the structural design of the insert plate, limiting plate, card block, fixing groove, extension groove and spring, the quick connection function of the galvanized air duct can be realized in the later stage, without the need for the operator to perform multiple sets of thread tightening work, which effectively improves the convenience and flexibility of the operator in the later stage of galvanized air duct assembly.

[0012] Meanwhile, the structural design of the extension pipe and sealing ring can improve the sealing performance at the connection point of the galvanized air duct, effectively preventing the leakage of cold air inside the galvanized air duct and ensuring the transmission efficiency. Furthermore, the structural design of the internal threaded groove, threaded pipe and filter screen can also realize the filtration function inside the galvanized air duct. Finally, the internal threaded groove and threaded pipe can facilitate the disassembly and assembly of the filter screen, making it easy for operators to disassemble and clean it later.

[0013] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is a three-dimensional structural diagram of a quick-connect galvanized air duct according to the present invention;

[0016] Figure 2 This is a three-dimensional structural diagram of a quick-connect galvanized air duct filter screen according to the present invention.

[0017] Figure 3 This is a three-dimensional structural cross-sectional view of a quick-connect galvanized duct fixing groove according to the present invention.

[0018] Figure 4 This is a front sectional view of a quick-connect galvanized air duct according to the present invention;

[0019] Figure 5 This utility model relates to a quick-connect galvanized air duct. Figure 4 Enlarged view of point A.

[0020] In the diagram: 1. Galvanized duct; 2. Extension pipe; 3. Filter screen; 4. Sealing ring; 5. Limiting plate; 6. Insert plate; 7. Locking block; 8. Internal threaded groove; 9. Threaded through pipe; 10. Fixing groove; 11. Extension groove; 12. Spring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-5This utility model provides a technical solution: a quick-connect galvanized air duct, including a galvanized air duct 1, which has two sets. A connecting and fixing assembly is provided at the middle position of one side of the top and bottom of the galvanized air duct 1. An insert plate 6 is provided at the middle position of the other side of the top and bottom of the galvanized air duct 1. A locking block 7 is provided on the side of the top of one set of insert plates 6 away from the galvanized air duct 1 and on the side of the bottom of the other set of insert plates 6 away from the galvanized air duct 1. An extension pipe 2 is provided inside the galvanized air duct 1 near the insert plate 6, and the extension pipe 2 extends to the outside of the galvanized air duct 1. The extension pipe 2 has an internally threaded groove 8 on the side away from the galvanized air duct 1. The internal threads of the internally threaded groove 8 are fitted with a threaded through pipe 9 extending to the outside. On the side of the threaded through pipe 9 away from the internally threaded groove 8, there is a filter screen plate 3 that cooperates with the extension pipe 2. On the other side of the galvanized air duct 1, there is a sealing ring 4, which cooperates with the filter screen plate 3. This solves the problem of the cumbersome fixed connection method of the existing galvanized air duct by tightening multiple sets of threads. At the same time, it can also improve the sealing performance of the galvanized air duct connection and ensure the efficiency of subsequent transmission.

[0023] The docking and fixing assembly includes a fixing groove 10, an extension groove 11, a spring 12, and a limiting plate 5. Two sets of fixing grooves 10 are provided, installed at the middle position on one side of the top and bottom of the galvanized air duct 1, and the fixing grooves 10 cooperate with the insert plate 6. An extension groove 11 is provided at the top of one set of fixing grooves 10 and at the bottom of the other set, and the extension groove 11 is connected to the interior of the fixing groove 10. A limiting plate 5 extending into the interior of the fixing groove 10 is provided at the inner bottom of one set of extension grooves 11 and the inner top of the other set, and the limiting plate 5 cooperates with the locking block 7. The inner top of the extension groove 11 and the inner bottom of the other set of fixing grooves 10 are both equipped with springs 12 connected to the limiting plate 5. Through the guide slope design of the limiting plate 5 and the locking block 7, when the insert plate 6 drives the locking block 7 to be inserted into the interior of the fixing groove 10, the limiting plate 5 can be pushed to move inside the extension groove 11 through the guide slope to compress the spring 12. Then, when the locking block 7 continues to move to release the pushing resistance on the limiting plate 5, the elastic restoring force of the spring 12 can drive the limiting plate 5 to return to its original state. Then, the locking of the limiting plate 5 and the locking block 7 is realized to achieve the docking and fixing of the two sets of galvanized air ducts 1.

[0024] A connecting rod is installed at the middle of the top of one set of extension grooves 11 and at the middle of the bottom of another set of extension grooves 11. The connecting rod is connected to the limiting plate 5 by a spring 12. The design of the connecting rod allows the operator to easily pull the limiting plate 5 to disassemble and release the two sets of galvanized air ducts 1. The top and bottom of the two sets of locking blocks 7 and the two sets of limiting plates 5 are provided on the side that are close to each other. The two sets of guide slopes cooperate with each other. The design of the guide slopes allows the locking blocks 7 to push the limiting plate during the insertion process. The plate 5 expands, thereby achieving the automatic locking function of connecting the two sets of galvanized air ducts 1. A fixing block is provided on the bottom side of one set of insert plates 6 away from the locking block 7 and on the top side of the other set of insert plates 6 away from the locking block 7. The fixing block is connected to the galvanized air duct 1. The design of the fixing block can facilitate the fixed installation of the insert plates 6. The exterior of both sets of springs 12 is coated with an anti-rust coating. The springs 12 are connected to the interior of the limiting plate 5 and the extension groove 11. The design of the anti-rust coating can extend the service life of the springs 12 and ensure the effect of later use.

[0025] Working principle: During use, the operator can directly take one set of galvanized air duct 1 and above and insert the insert plate 6 and the locking block 7 into the fixed groove 10 designed on the top and bottom side of another set of galvanized air duct 1. Through the guide slope design on the side where the locking block 7 and the limiting plate 5 are close to each other, the limiting plate 5 can be pushed to move inside the extension groove 11 by the guide slope during the insertion process of the insert plate 6 and the locking block 7, thereby compressing the spring 12. When the insert plate 6 and the locking block 7 are inserted into the designated position inside the fixed groove 10, the resistance between the locking block 7 and the limiting plate 5 can be released. Then, the limiting plate 5 is restored by the spring 12. Through the locking of the other side of the limiting plate 5 and the locking block 7, the assembly and docking of the two sets of galvanized air duct 1 can be realized. Moreover, this structural design eliminates the need for the operator to perform multiple thread tightening operations, improving the convenience and flexibility of the subsequent docking and assembly.

[0026] Simultaneously, by interlocking the two sets of galvanized air ducts 1, one set of galvanized air ducts 1 can drive the extension pipe 2 and its components to be inserted into the side of the other set of galvanized air ducts 1 near the sealing ring 4. This allows the extension pipe 2 to drive the filter screen 3 to resist the sealing ring 4. The structural design of the extension pipe 2 and the sealing ring 4 can improve the sealing performance of the galvanized air duct connection, reduce cold air leakage, and ensure subsequent transmission efficiency. Furthermore, the structural design of the filter screen 3 can also filter impurities inside the cold air, ensuring the cleanliness of the cold air inside. When it is necessary to disassemble and clean the filter screen 3, the assembly of the galvanized air duct 1 can be disassembled first, and then the filter screen 3 can be rotated to drive the threaded pipe 9 to rotate and move out inside the internal threaded groove 8, thereby achieving the disassembly and cleaning of the filter screen 3.

[0027] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A quick-connect galvanized air duct, comprising a galvanized air duct (1), characterized in that, The galvanized air duct (1) is provided in two sets. A connecting and fixing assembly is provided at the middle position of one side of the top and bottom of the galvanized air duct (1). An insert plate (6) is provided at the middle position of the other side of the top and bottom of the galvanized air duct (1). A locking block (7) is provided on the side of the top of one set of insert plates (6) away from the galvanized air duct (1) and on the side of the bottom of the other set of insert plates (6) away from the galvanized air duct (1). An extension pipe (2) is provided inside the galvanized air duct (1) near the insert plate (6), and the extension pipe ( 2) Extending to the outside of the galvanized air duct (1), the extension pipe (2) has an internal threaded groove (8) on the side away from the galvanized air duct (1), and the internal thread of the internal threaded groove (8) is fitted with a threaded through pipe (9) extending to the outside of it. The threaded through pipe (9) is provided with a filter screen plate (3) that cooperates with the extension pipe (2) on the side away from the internal threaded groove (8). The other side of the inside of the galvanized air duct (1) is provided with a sealing ring (4), and the sealing ring (4) cooperates with the filter screen plate (3).

2. The quick-connect galvanized air duct as described in claim 1, characterized in that: The docking and fixing assembly includes a fixing groove (10), an extension groove (11), a spring (12), and a limiting plate (5). The fixing groove (10) is provided in two sets. The two sets of fixing grooves (10) are installed at the middle position on the top and bottom side of the galvanized air duct (1), and the fixing groove (10) cooperates with the insert plate (6). The top of one set of fixing grooves (10) and the bottom of the other set of fixing grooves (10) are provided with extension grooves (11), and the extension grooves (11) are connected to the interior of the fixing grooves (10). The inner bottom of one set of extension grooves (11) and the inner top of the other set of extension grooves (11) are provided with limiting plates (5) extending into the interior of the fixing grooves (10), and the limiting plates (5) cooperate with the locking block (7). The inner top of one set of extension grooves (11) and the inner bottom of the other set of fixing grooves (10) are provided with springs (12) connected to the limiting plates (5).

3. The quick-connect galvanized air duct as described in claim 2, characterized in that: A connecting rod is provided at the middle position of the top of one set of extension grooves (11) and at the middle position of the bottom of another set of extension grooves (11), and the connecting rod is connected to the limiting plate (5) by a spring (12).

4. A quick-connect galvanized air duct as described in claim 2, characterized in that: The top and bottom of the two sets of card blocks (7) and the two sets of limiting plates (5) are provided with guide slopes on the side that are close to each other, and the two sets of guide slopes cooperate with each other.

5. A quick-connect galvanized air duct as described in claim 1, characterized in that: One set of insert plates (6) has a fixing block on the side of the bottom away from the card block (7) and the other set of insert plates (6) has a fixing block on the side of the top away from the card block (7), and the fixing block is connected to the galvanized air duct (1).

6. A quick-connect galvanized air duct as described in claim 2, characterized in that: Both sets of springs (12) are coated with an anti-rust coating on the outside, and the springs (12) are connected to the inside of the limiting plate (5) and the extension groove (11).

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