Explosion-proof fan convenient to clean
By using threaded bolts and threaded grooves, combined with retaining rings and slots, a multi-part detachable structure for the explosion-proof fan is achieved, solving the problem of difficult cleaning of existing explosion-proof fans, improving maintenance efficiency and reducing costs.
Patent Information
- Application Number
- CN202423319784.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing explosion-proof fans lack an efficient detachable cleaning structure, making cleaning difficult, affecting performance and safety, and increasing maintenance costs.
The design employs threaded bolts and threaded bolts, making the connection between the fan bracket and the front window bracket simple and secure, facilitating disassembly. Combined with the design of fixing rings and slots, it increases the flexibility of motor installation, achieving a multi-part detachable structure for the fan. This facilitates cleaning and maintenance.
It improves fan maintenance efficiency, reduces maintenance costs, and facilitates cleaning and maintenance.
Smart Images

Figure CN223634953U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of explosion -proof fan, concretely relates to an explosion -proof fan convenient to clean. BACKGROUND
[0002] Explosion -proof fan refers to the industrial fan that is specially designed, manufactured and meets relevant explosion -proof standards, can safely run in the environment of flammable and explosive, and is widely used in the industries such as petroleum chemical industry, coal mine, pharmacy, dangerous goods storage and the industrial environment with flammable and explosive gas or dust, ordinary fan can not be used in these places, and explosion -proof fan can provide safe and effective ventilation solution.
[0003] The existing explosion -proof fan does not have efficient detachable cleaning structure in use, for example, the explosion -proof fan disclosed in application No. CN202020613470.6. The existing explosion -proof fan of this kind usually cannot be conveniently detached for cleaning in use, some explosion -proof fan designs are integrally arranged, are difficult to detach in whole and clean the internal parts after being installed in fixed position, can cause the performance and efficiency of the fan to be affected due to dust or dirt after being used for a period of time, and even can cause safety hazards, the connection between the fan blades, the shell and other key components can be too complex or fastened, so that the user cannot easily detach these components for cleaning, due to the difficulty in cleaning, the user can need to frequently replace the fan or ask professional personnel to maintain, which increases the use cost.
[0004] Therefore, it is necessary to invent an explosion -proof fan convenient to clean to solve the above -mentioned problems. CONTENT OF UTILITY MODEL
[0005] The utility model aims at providing an explosion -proof fan convenient to clean to solve the problem that the technical field does not have efficient detachable cleaning structure in use.
[0006] In order to achieve the above -mentioned purpose, the utility model provides the following technical scheme: an explosion -proof fan convenient to clean, including fan frame, front window frame, shell body and rear shell frame, the front side of fan frame is provided with front window frame, the rear side of fan frame is provided with shell body, and the rear end of front window frame and the front end of shell body are fixedly connected, the rear side of shell body is provided with rear shell frame, the inside of fan frame is installed with fan body, the rear side of fan body is installed with motor, and the motor is located in the inside middle part of shell body, and the outer wall of motor is provided with fixed ring.
[0007] Preferably, the front side four corners of the fan frame are fixedly provided with a column body, a threaded groove is formed in the middle part of the output end of the column body, and a threaded bolt matched with the threaded groove is installed through the front side four corners of the front window frame.
[0008] Preferably, the end of the threaded bolt penetrates into the middle of the column, and fixes the front window frame at the front end of the fan frame.
[0009] Preferably, the middle of the outer shell is provided with an air outlet with a diameter larger than that of the fan body, and the middle of the air outlet is provided with a protective strip, and the middle of the rear side of the protective strip is provided with a docking column.
[0010] Preferably, the corresponding end of the docking column is provided with a docking sleeve, and the docking sleeve is located at the middle of the front side of the fan body, and the end of the docking sleeve is provided with a docking hole for engaging with the docking column.
[0011] Preferably, the outer wall of the rear shell frame is fixedly welded with mounting blocks at four corners, the middle of each mounting block is provided with a mounting hole, the middle of the mounting hole is penetrated and mounted with a mounting nail, the middle of the mounting nail is provided with a rear groove, and the four sides of the rear groove are provided with binding coils, and the binding coils are respectively provided on the four sides of the surface of the rear shell frame.
[0012] Preferably, the inner wall of the fixing ring is mounted with the outer wall of the motor, the outer wall of the fixing ring is fixedly connected with support rods at four sides, the end of each support rod is fixedly mounted with an end plate, and the end surface of the end plate is fixedly mounted with a first insertion piece.
[0013] Preferably, the first insertion piece is provided in a mountain shape, the inner wall of the outer shell is provided with an insertion slot matched with the first insertion piece at the middle of each side, the length of the first insertion piece is half of the length of the insertion slot, the first insertion piece is located at the inner front side of the insertion slot after installation, the inner rear side of the insertion slot is provided with a second insertion piece with the same shape, and one end of the second insertion piece is fixedly welded to the middle of the outer wall of the rear shell frame at four sides.
[0014] In the above technical solution, the technical effects and advantages of the utility model are provided:
[0015] The explosion-proof fan convenient to clean is simple and firm in connection between the fan frame and the front window frame through the design of the threaded bolt and the threaded groove, and is convenient to disassemble, so that the user can easily clean and maintain the fan, especially when the dust inside the fan blade and the outer shell needs to be cleaned, time and effort can be greatly saved, the design of the fixing ring and the insertion slot also increases the flexibility of the motor installation, and the motor can be disassembled for maintenance or replacement when needed, and the detachable structure is used in multiple places of the fan, so that the related parts can be easily disassembled and reinstalled when maintenance or replacement of the fan parts is needed, thereby improving the maintenance efficiency and reducing the maintenance cost, and facilitating the later maintenance and cleaning. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model.
[0017] Figure 2 It is the casing split structure schematic view of the utility model;
[0018] Figure 3 It is the casing split back side view structure schematic view of the utility model;
[0019] Figure 4 It is the front window frame structure schematic view of the utility model;
[0020] Figure 5 It is the casing structure schematic view of the utility model.
[0021] Mark explanation:
[0022] 1, fan frame;101, cylinder;102, thread groove;103, threaded bolt;2, front window frame;201, protection strip;202, butt joint column;203, butt joint sleeve;204, butt joint hole;3, outer casing;4, rear casing frame;401, mounting block;402, mounting hole;403, mounting nail;404, rear groove;405, binding coil;5, fan body;6, motor;7, fixed ring;701, support rod;702, end plate;703, first insertion sheet;704, insertion groove;705, second insertion sheet. Specific implementation
[0023] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below in conjunction with the drawings.
[0024] The utility model provides a kind of casing, comprising casing, rear casing frame, fan body, motor, fixed ring, fan frame, front window frame and outer casing body, wherein, casing is connected with rear casing frame, and rear casing frame is connected with fan body, and fan body is connected with motor, and motor is connected with fixed ring, and fixed ring is connected with fan frame, and fan frame is connected with front window frame, and front window frame is connected with outer casing body. Figures 1-5The utility model discloses a kind of explosion-proof fan convenient to clean, including fan frame 1, front window frame 2, outer shell 3 and rear shell frame 4, the front side four corners of fan frame 1 are fixedly provided with cylinder 101, the middle part of the output end of cylinder 101 is provided with threaded groove 102, the front side four corners of front window frame 2 are all penetrated and installed with the threaded bolt 103 of the threaded groove 102 screw thread matching, the end of threaded bolt 103 is penetrated to the middle part of cylinder 101, and make front window frame 2 fixed at fan frame 1 front end, the front side of fan frame 1 is provided with front window frame 2, the middle part of outer shell 3 is provided with air outlet with diameter greater than the diameter of fan body 5, the middle part of air outlet is provided with protective strip 201, the rear side middle part of protective strip 201 is installed with docking column 202, the corresponding end of docking column 202 is installed with docking sleeve 203, docking sleeve 203 is located at the front side middle part of fan body 5, the end of docking sleeve 203 is provided with docking hole 204 with the docking clamping of docking column 202, the rear side of fan frame 1 is provided with outer shell 3, and the rear end of front window frame 2 and the front end of outer shell 3 are fixedly connected, the rear side of outer shell 3 is provided with rear shell frame 4, the outer wall four corners of rear shell frame 4 are all fixedly welded with mounting block 401, the middle part of mounting block 401 is provided with mounting hole 402, the middle part of mounting hole 402 is penetrated and installed with mounting nail 403, the middle part of mounting nail 403 is provided with rear groove 404, and the four sides of rear groove 404 are all provided with binding coil 405, and binding coil 405 is respectively provided on the surface four sides of rear shell frame 4.
[0025] The inner side of fan frame 1 is installed with fan body 5, the rear side of fan body 5 is installed with motor 6, and motor 6 is located at the inner side middle part of outer shell 3, the outer wall of motor 6 is provided with fixed ring 7, the inner wall of fixed ring 7 is attached and installed with the outer wall of motor 6, the outer wall four sides of fixed ring 7 are all fixedly connected with support rod 701, the end of support rod 701 is fixedly installed with end plate 702, the end face of end plate 702 is fixedly installed with first insertion piece 703, and first insertion piece 703 is provided in mountain shape, the middle part of the four sides of the inner wall of outer shell 3 is provided with insertion groove 704 matched with the insertion of first insertion piece 703, and the length of first insertion piece 703 is half of the length of insertion groove 704, first insertion piece 703 is installed and located at the inside front side of insertion groove 704, and the inside rear side of insertion groove 704 is provided with second insertion piece 705 of same shape, and one end of second insertion piece 705 is fixedly welded on the middle part of the four sides of the outer wall of rear shell frame 4.
[0026] The utility model discloses a kind of explosion-proof fan convenient to clean, including fan frame 1, front window frame 2, outer shell 3 and rear shell frame 4, the front side four corners of fan frame 1 are fixedly provided with cylinder 101, the middle part of the output end of cylinder 101 is provided with threaded groove 102, the front side four corners of front window frame 2 are all penetrated and installed with the threaded bolt 103 of the threaded groove 102 screw thread matching, the end of threaded bolt 103 is penetrated to the middle part of cylinder 101, and make front window frame 2 fixed at fan frame 1 front end, the front side of fan frame 1 is provided with front window frame 2, the middle part of outer shell 3 is provided with air outlet with diameter greater than the diameter of fan body 5, the middle part of air outlet is provided with protective strip 201, the rear side middle part of protective strip 201 is installed with docking column 202, the corresponding end of docking column 202 is installed with docking sleeve 203, docking sleeve 203 is located at the front side middle part of fan body 5, the end of docking sleeve 203 is provided with docking hole 204 with the docking clamping of docking column 202, the rear side of fan frame 1 is provided with outer shell 3, and the rear end of front window frame 2 and the front end of outer shell 3 are fixedly connected, the rear side of outer shell 3 is provided with rear shell frame 4, the outer wall four corners of rear shell frame 4 are all fixedly welded with mounting block 401, the middle part of mounting block 401 is provided with mounting hole 402, the middle part of mounting hole 402 is penetrated and installed with mounting nail 403, the middle part of mounting nail 403 is provided with rear groove 404, and the four sides of rear groove 404 are all provided with binding coil 405, and binding coil 405 is respectively provided on the surface four sides of rear shell frame 4.
[0027] Refer to the description attached Figures 1-5For this kind of easy-to-clean explosion-proof fan, when the motor 6 starts, it drives the fan body 5 to start rotating. The rotation of the fan body 5 produces strong airflow, which is discharged through the air outlet of the outer shell 3, thereby achieving the purpose of ventilation and exhaust. The special design of the explosion-proof fan, such as the use of special materials and structure, enables it to operate safely in flammable and explosive environments, preventing explosion accidents caused by internal sparks or static electricity.
[0028] Using the device, first fix the rear shell bracket 4 in the desired position using the mounting nails 403. During installation, ensure that the mounting block 401 and the mounting hole 402 correspond, and use the mounting nails 403 to fix them firmly. Assemble the fan bracket 1, front window bracket 2, outer shell 3, and fan body 5 according to the design requirements. During assembly, ensure that the threaded bolts 103 match the threaded grooves 102, and that the components are fixed and connected. Check that all fasteners are complete, tightened, and that the explosion-proof certificate number is complete. At the same time, the device can be quickly disassembled and cleaned through such connecting parts. During use, adjust the fan speed and wind direction as needed to meet the ventilation and exhaust requirements. Regularly clean and maintain the fan, including cleaning the fan blades and surrounding dust, checking the bearing condition, etc. If the fan operates abnormally or fails, stop immediately and take appropriate measures. This easy-to-clean explosion-proof fan has the advantages of simple structure, easy installation, safety and reliability, easy maintenance, etc. During use, it has multiple detachable structures that can disassemble and clean the components of the explosion-proof fan body. The multiple detachable structures greatly improve the cleanability of the explosion-proof fan.
Claims
1. An explosion-proof fan for easy cleaning, comprising a fan frame (1), a front window frame (2), an outer shell (3), a rear shell frame (4), a fan body (5), a motor (6) and a fixing ring (7), characterized in that, The front side of the fan frame (1) is provided with a front window frame (2), the rear side of the fan frame (1) is provided with an outer shell (3), the rear end of the front window frame (2) is fixedly connected with the front end of the outer shell (3), the inner side of the fan frame (1) is provided with a fan body (5), the rear side of the fan body (5) is provided with a motor (6), the motor (6) is located in the middle of the inner side of the outer shell (3), and the outer wall of the motor (6) is provided with a fixing ring (7).
2. An explosion-proof fan for easy cleaning according to claim 1, characterized in that: The front side of the fan frame (1) is provided with a front window frame (2), the rear side of the fan frame (1) is provided with an outer shell (3), the rear end of the front window frame (2) is fixedly connected with the front end of the outer shell (3), the inner side of the fan frame (1) is provided with a fan body (5), the rear side of the fan body (5) is provided with a motor (6), the motor (6) is located in the middle of the inner side of the outer shell (3), and the outer wall of the motor (6) is provided with a fixing ring (7).
3. An explosion-proof fan for easy cleaning according to claim 2, characterized in that: The front side of the fan frame (1) is provided with a front window frame (2), the rear side of the fan frame (1) is provided with an outer shell (3), the rear end of the front window frame (2) is fixedly connected with the front end of the outer shell (3), the inner side of the fan frame (1) is provided with a fan body (5), the rear side of the fan body (5) is provided with a motor (6), the motor (6) is located in the middle of the inner side of the outer shell (3), and the outer wall of the motor (6) is provided with a fixing ring (7).
4. An explosion-proof fan for easy cleaning according to claim 1, characterized in that: The middle of the outer shell (3) is provided with an air outlet with a diameter larger than that of the fan body (5), the middle of the air outlet is provided with a protection strip (201), and the rear middle of the protection strip (201) is provided with a butt joint column (202).
5. An explosion-proof fan for easy cleaning according to claim 4, characterized in that: The corresponding end of the butt joint column (202) is provided with a butt joint sleeve (203), the butt joint sleeve (203) is located in the middle of the front side of the fan body (5), and the end of the butt joint sleeve (203) is provided with a butt joint hole (204) matched with the butt joint column (202).
6. An explosion-proof fan for easy cleaning according to claim 1, characterized in that: The outer wall of the rear shell frame (4) is fixedly welded with a mounting block (401) at four corners, the middle of the mounting block (401) is provided with a mounting hole (402), the middle of the mounting hole (402) is provided with a mounting nail (403), the middle of the mounting nail (403) is provided with a rear groove (404), and the four sides of the rear groove (404) are provided with a wire binding ring (405).
7. An explosion-proof fan for easy cleaning according to claim 1, characterized in that: The inner wall of the fixing ring (7) is mounted on the outer wall of the motor (6), the outer wall of the fixing ring (7) is fixedly connected with a support rod (701) at four sides, the end of the support rod (701) is fixedly mounted with an end plate (702), and the end surface of the end plate (702) is fixedly mounted with a first insertion piece (703).
8. An explosion-proof fan for easy cleaning according to claim 7, characterized in that: The first insertion piece (703) is in the shape of a mountain, the middle of the inner wall of the outer shell (3) is provided with an insertion groove (704) matched with the first insertion piece (703), the length of the first insertion piece (703) is half of the length of the insertion groove (704), the first insertion piece (703) is located in the inner front side of the insertion groove (704) after installation, the inner rear side of the insertion groove (704) is provided with a second insertion piece (705) with the same shape, and one end of the second insertion piece (705) is fixedly welded to the middle of the outer wall of the rear shell frame (4).
Citation Information
Patent Citations
Explosion-proof fan
CN212202540U