Modularly-assembled mining local ventilation device
By combining modular design with regulating rings, air outlets, and vibration motors, the problems of inconvenient assembly and poor ventilation effect of existing mine local ventilation devices have been solved, achieving flexible assembly and efficient ventilation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINAN WOLVES TECH
- Filing Date
- 2025-07-07
- Publication Date
- 2026-05-12
AI Technical Summary
Existing mine local ventilation devices are integral structures, which are not easy to assemble, cannot be adapted, have fixed air outlet sizes, cause dust due to high wind speeds, have low air uniformity, and dust accumulation affects ventilation efficiency.
It adopts a modular design, including a conveying component, a first air outlet component, a second air outlet component, and a sealing head. The size of the air outlet is adjusted by adjusting rings and air outlet mesh, and a vibration motor is used to remove filter dust, achieving flexible assembly and efficient ventilation.
It improves ease of assembly, reduces dust, ensures personal safety, enhances airflow uniformity and smoothness, and improves ventilation effect.
Smart Images

Figure CN224228704U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of local ventilation devices, specifically a modularly assembled local ventilation device for mines. Background Technology
[0002] Local ventilation devices are key equipment in mine safety production. They are mainly used to deliver fresh air to local working areas in the mine, remove gas, dust and harmful gases, improve the working environment, and prevent gas accumulation and oxygen deficiency accidents. Modular assembly is an important trend in the design of mine local ventilation devices. Its core lies in achieving rapid assembly, flexible configuration and efficient maintenance of equipment through standardized and modular component design.
[0003] Chinese patent discloses an intelligent local ventilation device for mines (authorization announcement number CN220581078U). This patented technology improves the safety, reliability, and intelligence of local ventilation systems in tunneling faces, achieving energy conservation and promoting mine safety management. However, the aforementioned local ventilation device is a monolithic structure, resulting in low ease of assembly and lack of adaptability, hindering its flexibility. The fixed size of the air outlet and its high air velocity cause dust pollution within the mine, affecting the safety of miners. Furthermore, the low uniformity of airflow negatively impacts ventilation efficiency. Dust accumulation at the air intake filter in dusty mining areas makes cleaning difficult and affects ventilation flow. Therefore, those skilled in the art have proposed a modularly assembled local ventilation device for mines to address the problems mentioned in the background. Utility Model Content
[0004] The purpose of this invention is to provide a modularly assembled mine local ventilation device to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A modularly assembled mine local ventilation device includes a conveying component, a first air outlet component, a second air outlet component, and a sealing head. The first air outlet component is located on one side of the conveying component, the second air outlet component is located on one side of the first air outlet component, and the sealing head is located on one side of the second air outlet component. The conveying component includes an air inlet pipe, an air intake component is installed at one end of the air inlet pipe, and an air intake fan is installed inside the air inlet pipe. Both the first and second air outlet components include an exhaust pipe. An air outlet is opened on the front side of the exhaust pipe. An adjusting ring is provided inside the exhaust pipe near the air outlet. An air outlet mesh is provided on the outside of the adjusting ring. A sliding plate is provided on the outside of the adjusting ring inside the air outlet. The air intake component includes a fixing ring. A nylon cloth ring is provided on the inner side of the fixing ring. A filter component is provided on the inner side of the nylon cloth ring. A spring is provided on the outer side of the filter component.
[0007] As a further improvement of this utility model: one end of the exhaust pipe is provided with a collar, one end of the air inlet pipe is provided with a first threaded opening, and the other end of the exhaust pipe is provided with a second threaded opening.
[0008] As a further embodiment of this utility model: the filter component includes a mounting cylinder, a rotating frame is provided inside the mounting cylinder, a filter block is provided inside the rotating frame, a mounting plate is provided at one end of the interior of the mounting cylinder, a vibration motor is installed on one side of the mounting plate, and a handle is provided on one side of the rotating frame.
[0009] As a further embodiment of this utility model: one end of the conveying component is connected to one end of the second air outlet component through the first air outlet component, and the end cap rotates to the outer position of the second air outlet component.
[0010] As a further embodiment of this utility model: the sliding plate slides inside the air outlet, the adjusting ring rotates inside the exhaust pipe, the outer end of the spring is fixed to the inner side of the air inlet pipe, and one side of the fixing ring is fixed to one side of the air inlet pipe.
[0011] As a further embodiment of this utility model: the collar is adapted to the thread of the first threaded opening, the collar is adapted to the thread of the second threaded opening, and the end cap rotates to the outer position of the second threaded opening.
[0012] As a further embodiment of this utility model: the mounting cylinder is fixed at the inner side of the nylon cloth ring, and the rotating frame rotates at the inner position of the mounting cylinder.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. The present invention relates to a modularly assembled mine local ventilation device. The conveying component, the first air outlet component, and the second air outlet component are modular in structure, which improves the ease of assembly and can be assembled according to the required length, thus improving the flexibility of use.
[0015] 2. By sliding the air outlet mesh inside the outlet to adjust the size of the outlet, the air velocity can be reduced, dust in the mine can be avoided, the personal safety of miners can be ensured, the uniformity of airflow can be improved, and the ventilation effect in the mine can be improved.
[0016] 3. The installation cylinder vibrates to automatically remove dust filtered on the outside of the filter block, preventing dust accumulation and improving ventilation. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of a modularly assembled mine local ventilation device.
[0018] Figure 2 A perspective view of a conveying component in a modularly assembled mine local ventilation system;
[0019] Figure 3 A perspective view of the first air outlet component in a modularly assembled mine local ventilation system;
[0020] Figure 4 This is a schematic diagram of the air intake component in a modularly assembled mine local ventilation device;
[0021] Figure 5 This is a schematic diagram of the structure of a filter component in a modularly assembled mine local ventilation device.
[0022] In the diagram: 1. Conveying component; 2. First air outlet component; 3. Second air outlet component; 4. Air inlet pipe; 5. Air intake component; 6. Air intake fan; 7. Exhaust pipe; 8. Air outlet; 9. Adjusting ring; 10. Air outlet mesh; 11. Slide plate; 12. Fixing ring; 13. Nylon cloth ring; 14. Filter component; 15. Spring; 16. Collar; 17. First threaded opening; 18. Second threaded opening; 19. Mounting cylinder; 20. Rotating frame; 21. Filter block; 22. Mounting plate; 23. Vibration motor; 24. Handle; 25. End cap. Detailed Implementation
[0023] Please see Figures 1-5In this embodiment of the present invention, a modularly assembled mine local ventilation device includes a conveying component 1, a first air outlet component 2, a second air outlet component 3, and a sealing head 25. The first air outlet component 2 is located on one side of the conveying component 1, the second air outlet component 3 is located on one side of the first air outlet component 2, and the sealing head 25 is located on one side of the second air outlet component 3. The conveying component 1 includes an air inlet pipe 4, with an air inlet component 5 installed at one end of the air inlet pipe 4. An air intake fan 6 is installed inside the air inlet pipe 4. Both the first air outlet component 2 and the second air outlet component 3 include an exhaust pipe 7. An air outlet 8 is opened on the front side of the exhaust pipe 7. An adjusting ring 9 is provided near the air outlet 8. An air outlet mesh 10 is provided on the outside of the adjusting ring 9. A sliding plate 11 is provided on the outside of the adjusting ring 9 inside the air outlet 8. The air intake component 5 includes a fixing ring 12. A nylon cloth ring 13 is provided on the inside of the fixing ring 12. A filter component 14 is provided on the inside of the nylon cloth ring 13. A spring 15 is provided on the outside of the filter component 14. One end of the conveying component 1 is connected to one end of the second air outlet component 3 through the first air outlet component 2. The end cap 25 rotates on the outside of the second air outlet component 3. The sliding plate 11 slides inside the air outlet 8. The adjusting ring 9 rotates. Inside the exhaust pipe 7, the outer end of the spring 15 is fixed to the inner side of the air inlet pipe 4, and one side of the fixing ring 12 is fixed to one side of the air inlet pipe 4. First, a modularly assembled mine local ventilation device is placed in the usage position. Then, according to requirements, the conveying component 1, the first air outlet component 2, and the second air outlet component 3 are connected. The first air outlet component 2 or the second air outlet component 3 can be connected as needed. The end cap 25 is rotated to the tail end of the first air outlet component 2 or the second air outlet component 3 for sealing. Use begins. The air inlet fan 6 operates, and external air enters the interior of the air inlet pipe 4 after being filtered by the filter component 14. The gas inside the duct 4 is introduced into the exhaust pipe 7, and the gas inside the exhaust pipe 7 is discharged through the air outlet net 10. The filter component 14 is vibrated inside the air inlet duct 4 by the spring 15. One end of the filter component 14 is vibrated inside the fixing ring 12 by the nylon cloth ring 13. The dust on the outside of the filter component 14 falls off, pushing the slide plate 11 to slide inside the air outlet 8. The adjusting ring 9 rotates inside the exhaust pipe 7 to adjust the length of the air outlet net 10 inside the air outlet 8, thereby changing the size of the air outlet and adjusting the air speed. The air outlet components are not limited to the first air outlet component 2 and the second air outlet component 3, and can be assembled according to requirements.
[0024] exist Figure 1 , 2In section 3: One end of the exhaust pipe 7 is provided with a collar 16, one end of the air inlet pipe 4 is provided with a first threaded port 17, and the other end of the exhaust pipe 7 is provided with a second threaded port 18. The collar 16 is adapted to the thread of the first threaded port 17 and the thread of the collar 16 is adapted to the thread of the second threaded port 18. The end cap 25 rotates to the outside of the second threaded port 18. According to the requirements, the conveying component 1, the first air outlet component 2 and the second air outlet component 3 are connected. During the connection process, the collar 16 on the first air outlet component 2 rotates to the outside of the first threaded port 17 to complete the connection between the conveying component 1 and the first air outlet component 2. The collar 16 on the second air outlet component 3 rotates to the outside of the second threaded port 18 on the first air outlet component 2 to complete the connection between the first air outlet component 2 and the second air outlet component 3. The first air outlet component 2 or the second air outlet component 3 can be connected as needed. The end cap 25 rotates to the tail end of the first air outlet component 2 or the second air outlet component 3 for sealing.
[0025] exist Figure 2 , 4 In section 5: The filter component 14 includes a mounting cylinder 19, inside which is a rotating frame 20, inside which is a filter block 21. At one end of the mounting cylinder 19, there is a mounting plate 22. A vibration motor 23 is mounted on one side of the mounting plate 22. A handle 24 is mounted on one side of the rotating frame 20. The mounting cylinder 19 is fixed to the inner side of the nylon cloth ring 13. The rotating frame 20 rotates to the inner position of the mounting cylinder 19. When the air intake fan 6 runs, the external air enters the air intake pipe 4 after being filtered by the filter block 21. The gas inside the air intake pipe 4 is introduced into the air exhaust pipe 7. The gas inside the air exhaust pipe 7 is discharged through the air outlet net 10. When the vibration motor 23 runs, it drives the mounting cylinder 19 to vibrate through the mounting plate 22. The mounting cylinder 19 vibrates inside the air intake pipe 4 through the spring 15. One end of the filter component 14 vibrates inside the fixing ring 12 through the nylon cloth ring 13. Dust on the outside of the filter block 21 falls off.
[0026] The working principle of this utility model is as follows: First, a modularly assembled mine local ventilation device is placed at the usage location. Then, according to requirements, the conveying component 1, the first air outlet component 2, and the second air outlet component 3 are connected. During the connection process, the collar 16 on the first air outlet component 2 rotates to the outside of the first threaded opening 17, completing the connection between the conveying component 1 and the first air outlet component 2. The collar 16 on the second air outlet component 3 rotates to the outside of the second threaded opening 18 on the first air outlet component 2, completing the connection between the first air outlet component 2 and the second air outlet component 3. The first air outlet component 2 or the second air outlet component 3 can be connected as needed. The end cap 25 rotates to the tail end of the first air outlet component 2 or the second air outlet component 3 for sealing. When in use, the air intake fan 6 runs, and external air enters the air intake pipe 4 after being filtered by the filter block 21. The gas inside the air intake pipe 4 is introduced into the exhaust pipe 7, and the gas inside the exhaust pipe 7 is discharged through the air outlet net 10. The vibration motor 23 runs, which drives the mounting cylinder 19 to vibrate through the mounting plate 22. The mounting cylinder 19 vibrates inside the air intake pipe 4 through the spring 15. One end of the filter component 14 vibrates inside the fixing ring 12 through the nylon cloth ring 13. The dust on the outside of the filter block 21 falls off, pushing the sliding plate 11 to slide inside the air outlet 8. The adjusting ring 9 rotates inside the exhaust pipe 7, adjusting the length of the air outlet net 10 inside the air outlet 8, thereby changing the size of the air outlet and adjusting the air speed.
[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A modularly assembled mine local ventilation device, characterized in that, The assembly includes a conveying component (1), a first air outlet component (2), a second air outlet component (3), and a sealing head (25). The first air outlet component (2) is located on one side of the conveying component (1), the second air outlet component (3) is located on one side of the first air outlet component (2), and the sealing head (25) is located on one side of the second air outlet component (3). The conveying component (1) includes an air inlet pipe (4), one end of which is equipped with an air intake component (5). An air intake fan (6) is installed inside the air inlet pipe (4). Both the first air outlet component (2) and the second air outlet component (3) include exhaust pipes. (7) An air outlet (8) is provided on the front side of the exhaust pipe (7). An adjustment ring (9) is provided inside the exhaust pipe (7) near the air outlet (8). An air outlet mesh (10) is provided on the outside of the adjustment ring (9). A sliding plate (11) is provided on the outside of the adjustment ring (9) inside the air outlet (8). The air intake component (5) includes a fixing ring (12). A nylon cloth ring (13) is provided on the inside of the fixing ring (12). A filter component (14) is provided on the inside of the nylon cloth ring (13). A spring (15) is provided on the outside of the filter component (14).
2. The modularly assembled mine local ventilation device according to claim 1, characterized in that, One end of the exhaust pipe (7) is provided with a collar (16), one end of the air inlet pipe (4) is provided with a first threaded port (17), and the other end of the exhaust pipe (7) is provided with a second threaded port (18).
3. A modularly assembled mine local ventilation device according to claim 1, characterized in that, The filter component (14) includes a mounting cylinder (19), a rotating frame (20) is provided inside the mounting cylinder (19), a filter block (21) is provided inside the rotating frame (20), a mounting plate (22) is provided at one end of the mounting cylinder (19), a vibration motor (23) is installed on one side of the mounting plate (22), and a handle (24) is provided on one side of the rotating frame (20).
4. A modularly assembled mine local ventilation device according to claim 1, characterized in that, One end of the conveying component (1) is connected to one end of the second air outlet component (3) through the first air outlet component (2), and the end cap (25) rotates to the outer position of the second air outlet component (3).
5. A modularly assembled mine local ventilation device according to claim 1, characterized in that, The slide plate (11) slides inside the air outlet (8), the adjusting ring (9) rotates inside the exhaust pipe (7), the outer end of the spring (15) is fixed inside the air inlet pipe (4), and one side of the fixing ring (12) is fixed to one side of the air inlet pipe (4).
6. A modularly assembled mine local ventilation device according to claim 2, characterized in that, The collar (16) is adapted to the thread of the first threaded opening (17), the collar (16) is adapted to the thread of the second threaded opening (18), and the end cap (25) rotates to the outer position of the second threaded opening (18).
7. A modularly assembled mine local ventilation device according to claim 3, characterized in that, The mounting cylinder (19) is fixed to the inner side of the nylon cloth ring (13), and the rotating frame (20) rotates to the inner position of the mounting cylinder (19).