Exhaust fan convenient for pipeline assembly
By designing a quick connection device on the exhaust fan and using components such as locking blocks, locking rods, locking handles and springs, the problem of complex and unstable connections between traditional exhaust fans and pipes is solved, simple assembly and stable connection are achieved, and safety and maintenance convenience are improved.
Patent Information
- Application Number
- CN202422187052.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-09-06
AI Technical Summary
Traditional exhaust fans are complex to connect to pipes, with high installation costs and a long time. The connections are unstable and easily loosen or fall off, affecting ventilation effects and potentially causing safety accidents, and are difficult to maintain.
An exhaust fan including a quick connection device is designed. Components such as a locking block, a locking rod, a locking handle, a movable shaft and a spring are used to achieve a stable connection between the exhaust fan and the pipe connector. The stability of the connection is ensured by the friction contact between the locking rod and the inclined sliding part and the elastic force of the spring.
It realizes the simple assembly and firm connection of the exhaust fan and the pipe, reduces the risk of loosening or falling off, improves the safety of operation and the convenience of maintenance, and reduces the installation and maintenance costs.
Smart Images

Figure CN223424336U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of exhaust fans, in particular to an exhaust fan which is convenient for pipeline assembly. Background Art
[0002] Ventilation systems play a vital role in modern construction and industrial production. They not only keep indoor air fresh and comfortable, but also effectively remove harmful gases, moisture and heat, providing a good working environment for personnel and equipment. Therefore, the efficiency and stability of the ventilation system directly affect production efficiency and personnel health.
[0003] The connection between traditional exhaust fans and pipes often requires complex installation steps and a large number of tools, which not only increases installation costs but also prolongs installation time. In addition, the traditional connection method is not stable enough, causing the exhaust fan to loosen or fall off easily during operation, affecting the ventilation effect and even causing safety accidents. Due to the complex installation, the maintenance and replacement of traditional exhaust fans are also relatively difficult, increasing maintenance costs and downtime. For this reason, we propose an exhaust fan that is easy to assemble into pipes. Utility Model Content
[0004] (1) Technical problems solved
[0005] In view of the deficiencies in the prior art, the utility model provides an exhaust fan that is convenient for pipeline assembly, thereby solving the above-mentioned problems.
[0006] (2) Technical solution
[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an exhaust fan for easy pipe assembly, including an exhaust duct connector, an exhaust fan is clamped on the output end of one side of the exhaust duct connector, and a quick connection device is fixedly connected to the outer wall of one end of the exhaust fan.
[0008] Preferably, the exhaust fan includes a fan box, an exhaust grille, an exhaust fan, and a motor. The output end of one side of the exhaust duct connector is clamped with the fan box, the inner wall of one side of the fan box is fixedly connected to the exhaust grille, the fan box is rotatably connected to the inner wall of the side away from the exhaust grille, and the output end of one side of the exhaust fan is fixedly connected to the motor.
[0009] Preferably, one end of the top of the exhaust duct connector is fixedly connected to a connecting block, and an outer wall of one side of the connecting block is fixedly connected to an inclined sliding piece.
[0010] Preferably, a lock hole is provided on the top of the connecting block, and the lock hole passes through the top of the inner wall of the exhaust duct connector.
[0011] Preferably, the quick connecting device comprises a lock block, a lock rod, a locking handle, a movable shaft and a spring, one end of the top of the fan box is fixedly connected with the lock block, one side of the inner wall of the lock block is movably connected with the lock rod, the top of the lock rod is fixedly connected with the movable shaft, the outer wall of one end of the movable shaft is sleeved with the locking handle, the outer wall of one end of the lock rod is sleeved with the spring, and the top output end of the spring is in frictional contact with the top inner wall of the lock block.
[0012] Preferably, the bottom output end of the lock rod is in frictional contact with the inclined sliding piece, and the bottom output end of the lock rod is in frictional contact with the inner wall of the lock hole of the connecting block.
[0013] Preferably, the quick connecting device is provided with four connecting blocks and four inclined sliding pieces.
[0014] (Three) beneficial effects
[0015] Compared with the prior art, the exhaust fan convenient for pipeline assembly has the following beneficial effects:
[0016] 1. The exhaust fan convenient for pipeline assembly has a stable connection mode to ensure the stability of the exhaust fan during operation, reduces the safety accidents that may be caused by loosening or falling off, and at the same time, the design of the quick connecting device also considers the safety of the operator, avoiding accidental injuries that may occur during installation and disassembly.
[0017] 2. The exhaust fan convenient for pipeline assembly introduces a quick connecting device, and through the synergistic effect of the lock block, the lock rod, the locking handle, the movable shaft and the spring and other components, the firm connection between the exhaust fan and the pipeline connecting piece is realized. This mechanical locking mode is more stable and reliable than simple clamping, and can effectively prevent the exhaust fan from loosening or falling off due to vibration during operation.
[0018] 3. The exhaust fan convenient for pipeline assembly is simple to assemble, so it is more convenient to replace or repair the exhaust fan during daily maintenance. This not only reduces downtime, but also reduces additional costs caused by improper maintenance or complex operation. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a structural schematic view of the utility model;
[0020] Figure 2 It is a side view schematic view of the utility model;
[0021] Figure 3 It is a sectional view schematic view of the utility model;
[0022] Figure 4 It is a sectional view schematic view of the utility model quick connecting device.
[0023] In the figure: 1. Exhaust duct connector; 2. Exhaust fan; 3. Quick connection device; 4. Fan box; 5. Exhaust grille; 6. Exhaust fan; 7. Motor; 8. Connecting block; 9. Sliding piece; 10. Locking block; 11. Locking rod; 12. Locking handle; 13. Movable shaft; 14. Spring. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] See also Figure 1-4 An exhaust fan for easy pipe assembly includes an exhaust duct connector 1, an exhaust fan 2 is clamped on the output end of one side of the exhaust duct connector 1, and a quick connection device 3 is fixedly connected to the outer wall of one end of the exhaust fan 2.
[0026] Furthermore, the exhaust fan 2 includes a fan box 4, an exhaust grille 5, an exhaust fan 6, and a motor 7. The fan box 4 is clamped on the output end of the exhaust duct connector 1, and the exhaust grille 5 is fixedly connected to the inner wall of one side of the fan box 4. The exhaust fan 6 is rotatably connected to the inner wall of the side of the fan box 4 away from the exhaust grille 5, and the motor 7 is fixedly connected to the output end of one side of the exhaust fan 6.
[0027] Furthermore, a connecting block 8 is fixedly connected to one end of the top of the exhaust duct connector 1 , and an inclined sliding member 9 is fixedly connected to an outer wall of one side of the connecting block 8 .
[0028] Furthermore, a lock hole is provided at the top of the connecting block 8 , and the lock hole passes through the top of the inner wall of the exhaust duct connector 1 .
[0029] Furthermore, the quick connection device 3 includes a locking block 10, a locking rod 11, a locking handle 12, a movable shaft 13, and a spring 14. The locking block 10 is fixedly connected to one end of the top of the fan box 4, and the locking rod 11 is movably connected to one side of the inner wall of the locking block 10. The top of the locking rod 11 is fixedly connected to the movable shaft 13, and the outer wall of one end of the movable shaft 13 is sleeved with the locking handle 12. The outer wall of one end of the locking rod 11 is sleeved with a spring 14, and the top output end of the spring 14 is in friction contact with the top of the inner wall of the locking block 10, and the bottom output end of the spring 14 is in friction contact with the bottom output end of the locking rod 11.
[0030] Furthermore, the bottom output end of the locking rod 11 is in friction contact with the inclined slide 9 , and the bottom output end of the locking rod 11 is in friction contact with the inner wall of the lock hole of the connecting block 8 .
[0031] Further, the quick connecting device 3 is provided with four for each of the connecting block 8 and the inclined slide 9.
[0032] Working principle: first exhaust fan 2 through its fan box 4 side and exhaust duct connecting piece 1 output end of the card, the exhaust fan and the pipeline system of the preliminary connection, this kind of card design is convenient to install and disassemble, improve the assembly efficiency, the exhaust fan 2 top fixed with quick connecting device 3, the device is composed of lock block 10, lock rod 11, locking handle 12, movable shaft 13 and spring 14, lock block 10 is fixed on the fan box 4, lock rod 11 is connected with locking handle 12 through movable shaft 13, at the same time, spring 14 is sleeved on the lock rod 11, ensure that the lock rod keeps a certain position when not under external force, need to connect the exhaust fan 2 and exhaust duct connecting piece 1 firmly, the operator operates the locking handle 12, makes the lock rod 11 rotate along the movable shaft 13 and moves downward, the bottom of the lock rod 11 contacts with the inclined slide 9 on the connecting block 8 and slides along the inclined surface, until entering the lock hole on the top of the connecting block 8, in this process, the spring 14 is compressed, provides downward force for the lock rod 11, ensure that it is stably entered into the lock hole, when the lock rod 11 completely enters the lock hole, due to the elastic force of the spring 14, the lock rod 11 is stably kept in the lock hole, so as to realize the firm connection between the exhaust fan 2 and the exhaust duct connecting piece 1, improve the stability and safety of the connection, once the exhaust fan 2 and the pipeline system are connected stably, the motor 7 starts, drives the exhaust fan 6 to rotate, air is sucked into the fan box 4 through the exhaust grille 5, and is discharged to the outside through the exhaust duct connecting piece 1. The whole exhaust process is efficient and stable, thanks to the reasonable structure design and stable connection mode, when the exhaust fan 2 needs to be disassembled, only need to operate the locking handle 12 in reverse, make the lock rod 11 exit from the lock hole, and slide out along the inclined surface of the inclined slide 9, so as to easily separate the exhaust fan and the pipeline system, realize quick disassembly.
[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An exhaust fan for facilitating pipe assembly, comprising an exhaust pipe connector (1), characterized in that: The exhaust fan (2) is clamped on the output end of one side of the exhaust duct connector (1), and a quick connection device (3) is fixedly connected to the outer wall of one end of the exhaust fan (2). The exhaust fan (2) comprises a fan box (4), an exhaust grille (5), an exhaust fan (6), and a motor (7). The exhaust duct connector (1) is clamped on the output end of one side of the exhaust duct connector (1), and the exhaust grille (5) is fixedly connected to the inner wall of one side of the fan box (4). The exhaust fan (6) is rotatably connected to the inner wall of the side of the fan box (4) away from the exhaust grille (5). The output end of one side of the exhaust fan (6) is fixedly connected to the motor (7). The quick connection device (3) comprises There are a locking block (10), a locking rod (11), a locking handle (12), a movable shaft (13), and a spring (14); one end of the top of the fan box (4) is fixedly connected to the locking block (10); one side of the inner wall of the locking block (10) is movably connected to the locking rod (11); the top of the locking rod (11) is fixedly connected to the movable shaft (13); the outer wall of one end of the movable shaft (13) is sleeved with the locking handle (12); the outer wall of one end of the locking rod (11) is sleeved with the spring (14); the top output end of the spring (14) is in friction contact with the top of the inner wall of the locking block (10); the bottom output end of the spring (14) is in friction contact with the bottom output end of the locking rod (11).
2. The exhaust fan for facilitating pipeline assembly according to claim 1, characterized in that: One end of the top of the exhaust duct connector (1) is fixedly connected to a connecting block (8), and an outer wall on one side of the connecting block (8) is fixedly connected to an inclined sliding member (9).
3. The exhaust fan for facilitating pipeline assembly according to claim 2, characterized in that: A locking hole is provided on the top of the connecting block (8), and the locking hole passes through the top of the inner wall of the exhaust duct connector (1).
4. The exhaust fan for facilitating pipeline assembly according to claim 1, characterized in that: The bottom output end of the locking rod (11) is in friction contact with the inclined slide (9), and the bottom output end of the locking rod (11) is in friction contact with the inner wall of the lock hole of the connecting block (8).
5. The exhaust fan for facilitating pipeline assembly according to claim 2, characterized in that: The quick connection device (3), the connection block (8) and the inclined sliding member (9) are each provided with four.