Connecting structure of energy-saving air duct for electromechanical engineering
The ventilation pipe connection structure with a locking mechanism and sealing gasket ensures airtight seals and efficient airflow by addressing air leakage issues, facilitating easier installation and maintenance.
Patent Information
- Application Number
- CN202422052509.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-22
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-22
AI Technical Summary
The existing ventilation duct connection structure has air leakage problems, which affects ventilation effect and system energy efficiency.
The connection structure of trapezoidal bumps, sealing gaskets and locking mechanism is adopted to ensure a tight fit between the ventilation ducts and be fixed by the locking mechanism to prevent air leakage.
Improves the sealing and energy efficiency of the ventilation system, prevents air leakage, and facilitates installation and maintenance.
Smart Images

Figure CN223105588U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechatronic engineering, and particularly relates to a connection structure of an energy-saving air duct for mechatronic engineering. Background Technique
[0002] The ventilation duct is a duct system for air circulation. Its main function is to introduce fresh air into the room or discharge the waste gas, moisture or harmful gas in the room to maintain the air quality and comfort in the room. The ventilation duct is widely used in buildings, industries and various facilities. The connection structure between the air ducts should ensure stable, effective air flow and airtightness.
[0003] The utility model adopts the form of a locking mechanism to connect between the air ducts. A high-density gasket is used between the air ducts to avoid air leakage. The connection structure is small, which can effectively improve the overall ventilation effect, and is convenient for installation, maintenance and overhaul. For this reason, we propose a connection structure of an energy-saving air duct for mechatronic engineering. Content of the Utility Model
[0004] (1) Technical Problems to be Solved
[0005] In view of the deficiencies of the prior art, the utility model provides a connection structure of an energy-saving air duct for mechatronic engineering, and solves the above problems.
[0006] (2) Technical Solutions
[0007] To achieve the above object, the utility model provides the following technical solutions: A connection structure of an energy-saving air duct for mechatronic engineering, including a ventilation pipe, a first fixing block, a second fixing block, a sealing gasket and a locking mechanism. A sealing gasket is installed at the tightly-fitted part of the two ventilation pipes. Trapezoidal protrusions in the shape of a complete set of trapezoids are integrally formed at both ends of the ventilation pipe. The trapezoidal protrusions on the two ventilation pipes are tightly matched and sleeved with the sealing gasket. The trapezoidal protrusions and the sealing gasket are installed in a U-shaped groove inside the second fixing block by means of a card slot. The first fixing block is rotatably installed at the upper left end of the second fixing block through a rotating rod, and a locking mechanism is installed at the upper right end of the second fixing block. The other end of the first fixing block cooperates with the locking mechanism to fix the two ventilation pipes inside the second fixing block and the first fixing block.
[0008] Preferably, the trapezoidal protrusions on the two ventilation pipes are tightly matched. A sealing gasket is sleeved on the periphery of the trapezoidal protrusions. A rectangular U-shaped groove is formed inside the second fixing block. The two tightly-matched trapezoidal protrusions and the sealing gasket sleeved on the periphery are installed in the U-shaped groove inside the second fixing block by means of a card slot.
[0009] Preferably, a semi-circular arc flipping block is integrally formed at the upper left end of the second fixing block. A rotating rod is installed on the semi-circular arc flipping block. A flipping block in the shape of a semi-cylinder is integrally formed at one end of the bottom of the first fixing block. A rotating hole is formed in the flipping block, and the rotating hole is sleeved on the rotating rod to achieve flipping operation. A semi-circular arc fitting groove in the shape of a semi-circular arc is formed on one side of the rotating hole.
[0010] Preferably, the locking mechanism includes a locking rod and a spring. An L-shaped locking groove in the shape of an L is formed at the upper right end of the second fixing block. The locking rod is installed inside the L-shaped locking groove, and a spring is sleeved in the middle of the locking rod and the spring is installed inside the L-shaped locking groove.
[0011] Preferably, a first limiting rod and a second limiting rod are integrally formed at the upper and lower ends of the locking rod. A rectangular limiting groove is formed at one end of the first fixing block, and a rectangular U-shaped groove is formed at the lower end of the first fixing block. The first limiting rod passes through one end of the first fixing block through the limiting groove and rotates to lock the first fixing block to the upper end of the second fixing block.
[0012] Three beneficial effects
[0013] Compared with the prior art, the present invention provides a connection structure for an energy-saving air duct in mechanical and electrical engineering, and has the following beneficial effects:
[0014] 1. For the connection structure of the energy-saving air duct in mechanical and electrical engineering, a trapezoidal convex block is installed between two ventilation pipes, ensuring good sealing at the connection of the air duct during ventilation, preventing air leakage, improving the energy efficiency of the system. The clamping groove at the tightly fitting part of the two ventilation pipes is installed in the U-shaped groove inside the second fixing block, and the rotating hole is sleeved on the rotating rod, realizing the flipping operation of the first fixing block at the upper end of the second fixing block.
[0015] 2. For the connection structure of the energy-saving air duct in mechanical and electrical engineering, a locking rod is installed inside the L-shaped locking groove, and a spring is sleeved on the locking rod. The first fixing block is flipped to coincide with the upper end of the second fixing block. The first limiting rod passes through one end of the first fixing block through the limiting groove, and the first limiting rod is rotated by 90 degrees to lock and fix the first fixing block to the upper end of the second fixing block. The second limiting rod is clamped inside the L-shaped locking groove. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a schematic structural diagram of the present invention;
[0017] Figure 2 is a sectional structural diagram of the present invention;
[0018] Figure 3 is a sectional structural diagram of the present invention;
[0019] Figure 4 is a schematic structural diagram of the second fixing block of the present invention;
[0020] Figure 5 This is the sectional view of the first fixing block structure of the present utility model;
[0021] Figure 6 This is the schematic diagram of the locking lever structure of the present utility model.
[0022] In the figure: 1, ventilation pipe; 2, first fixing block; 3, second fixing block; 4, locking lever; 5, spring; 6, sealing washer; 7, trapezoidal convex block; 8, semi-circular flipping block; 9, rotating rod; 10, U-shaped groove; 11, L-shaped locking groove; 12, limiting groove; 13, semi-circular mating groove; 14, rotating hole; 15, first limiting rod; 16, second limiting rod. Specific embodiments
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0024] Please refer to Figures 1-6 , a connection structure of an energy-saving air duct for mechatronic engineering, including a ventilation pipe 1, a first fixing block 2, a second fixing block 3, a sealing washer 6 and a locking mechanism. A sealing washer 6 is installed at the tightly fitting part of the two ventilation pipes 1. Trapezoidal convex blocks 7 in the shape of a complete set of trapezoids are integrally formed at both ends of the ventilation pipe 1. The trapezoidal convex blocks 7 on the two ventilation pipes 1 are tightly fitted and sleeved with the sealing washer 6. The trapezoidal convex blocks 7 and the sealing washer 6 are installed in the U-shaped groove 10 inside the second fixing block 3 by snap-fit. The first fixing block 2 is rotatably installed by a rotating rod 9 at the upper left end of the second fixing block 3. A locking mechanism is installed at the upper right end of the second fixing block 3. The other end of the first fixing block 2 cooperates with the locking mechanism to fix the two ventilation pipes 1 inside the second fixing block 3 and the first fixing block 2.
[0025] Furthermore, the trapezoidal convex blocks 7 on the two ventilation pipes 1 are tightly fitted. A sealing washer 6 is sleeved on the periphery of the trapezoidal convex blocks 7. A rectangular U-shaped groove 10 is opened inside the second fixing block 3. The two tightly fitted trapezoidal convex blocks 7 and the sealing washer 6 sleeved on the periphery are installed in the second fixing block 3 by snap-fit with the U-shaped groove 10.
[0026] Further, a semi-circular arc flipping block 8 is integrally formed at the upper left end of the second fixing block 3. A rotating rod 9 is installed on the semi-circular arc flipping block 8. A flipping block in the shape of a semi-cylinder is integrally formed at one end of the bottom of the first fixing block 2. A rotating hole 14 is formed in the flipping block, and the rotating hole 14 is sleeved on the rotating rod 9 to realize the flipping operation. A semi-circular arc mating groove 13 in the shape of a semi-circular arc is formed on one side of the rotating hole 14.
[0027] Further, the locking mechanism includes a locking rod 4 and a spring 5. An L-shaped locking groove 11 in the shape of an L is formed at the upper right end of the second fixing block 3. The locking rod 4 is installed inside the L-shaped locking groove 11, and a spring 5 is sleeved in the middle of the locking rod 4 and the spring 5 is installed inside the L-shaped locking groove 11.
[0028] Further, a first limiting rod 15 and a second limiting rod 16 are integrally formed at the upper and lower ends of the locking rod 4. A rectangular limiting groove 12 is formed at one end of the first fixing block 2, and a rectangular U-shaped groove 10 is formed at the lower end of the first fixing block 2. The first limiting rod 15 passes through one end of the first fixing block 2 through the limiting groove 12 and rotates to lock the first fixing block 2 to the upper end of the second fixing block 3.
[0029] Working principle: A trapezoidal convex block 7 is installed between the two ventilation pipes 1 to ensure good sealing at the air duct connection during the ventilation process, prevent air leakage, improve the energy efficiency of the system. The clamping groove at the tightly fitting part of the two ventilation pipes 1 is installed in the U-shaped groove 10 inside the second fixing block 3, and the rotating hole 14 is sleeved on the rotating rod 9 to realize the flipping operation of the first fixing block 2 at the upper end of the second fixing block 3. The locking rod 4 is installed inside the L-shaped locking groove 11, and the spring 5 is sleeved on the locking rod 4. The first fixing block 2 is flipped to coincide with the upper end of the second fixing block 3. The first limiting rod 15 passes through one end of the first fixing block 2 through the limiting groove 12, and the first limiting rod 15 is rotated 90 degrees to lock and fix the first fixing block 2 to the upper end of the second fixing block 3. The second limiting rod 16 is clamped inside the L-shaped locking groove 11.
[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A connection structure of an energy-saving air duct for mechatronic engineering, comprising a ventilation pipe (1), a first fixing block (2), a second fixing block (3), a sealing gasket (6) and a locking mechanism, characterized in that: A sealing washer (6) is installed at the tightly fitting part of the two ventilation pipes (1). Trapezoidal bumps (7) in the shape of a complete set of trapezoids are integrally formed at both ends of the ventilation pipe (1). The trapezoidal bumps (7) on the two ventilation pipes (1) are closely fitted and sleeved with the sealing washer (6). The trapezoidal bumps (7) and the sealing washer (6) are installed in a clamping groove fit in the U-shaped groove (10) inside the second fixing block (3). The upper left end of the second fixing block (3) is flip-mounted with a first fixing block (2) through a rotating rod (9). A locking mechanism is installed at the upper right end of the second fixing block (3). The other end of the first fixing block (2) cooperates with the locking mechanism to fix the two ventilation pipes (1) inside the second fixing block (3) and the first fixing block (2).
2. The connecting structure of an energy-saving air duct for mechanical and electrical engineering according to claim 1, characterized in that: The trapezoidal bumps (7) on the two ventilation pipes (1) are closely fitted. A sealing washer (6) is sleeved around the trapezoidal bumps (7). A rectangular U-shaped groove (10) is formed inside the second fixing block (3). The two closely fitted trapezoidal bumps (7) and the sealing washer (6) sleeved around them are installed in the second fixing block (3) in a clamping groove fit with the U-shaped groove (10).
3. The connecting structure of an energy-saving air duct for mechanical and electrical engineering according to claim 2, characterized in that: A semi-circular arc flip block (8) is integrally formed at the upper left end of the second fixing block (3). A rotating rod (9) is installed on the semi-circular arc flip block (8). A flip block in the shape of a semi-cylinder is integrally formed at one end of the bottom of the first fixing block (2). A rotating hole (14) is formed in the flip block. The rotating hole (14) is sleeved on the rotating rod (9) to achieve flipping operation. A semi-circular arc mating groove (13) in the shape of a semi-circular arc is formed on one side of the rotating hole (14).
4. The connecting structure of an energy-saving air duct for mechanical and electrical engineering according to claim 1, characterized in that: The locking mechanism includes a locking rod (4) and a spring (5). An L-shaped locking groove (11) in the shape of an L is formed at the upper right end of the second fixing block (3). The locking rod (4) is installed inside the L-shaped locking groove (11), and a spring (5) is sleeved in the middle of the locking rod (4) and the spring (5) is installed inside the L-shaped locking groove (11).
5. The connecting structure of an energy-saving air duct for mechatronic engineering according to claim 4, characterized in that: First limiting rods (15) and second limiting rods (16) are integrally formed at the upper end and the lower end of the locking rod (4). A rectangular limiting groove (12) is formed at one end of the first fixing block (2). A rectangular U-shaped groove (10) is formed at the lower end of the first fixing block (2). The first limiting rod (15) passes through one end of the first fixing block (2) through the limiting groove (12) and rotates to lock the first fixing block (2) to the upper end of the second fixing block (3).