Dustproof ventilating duct
By combining limit blocks, mounting frames, lead screws, and small motors, the problem of difficult disassembly of dustproof screens in dustproof ventilation ducts is solved, enabling convenient disassembly and efficient dust collection, and reducing maintenance difficulty.
Patent Information
- Application Number
- CN202423315743.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The dustproof screens on existing dustproof ventilation ducts are difficult to remove during maintenance, making maintenance cumbersome.
A dustproof ventilation duct was designed, which uses a combination of limiting blocks, mounting frames, lead screws and small motors to enable easy disassembly and installation of the dustproof net, combined with a brush structure for cleaning and collecting dust.
It enables easy disassembly and installation of the dustproof net, reduces maintenance difficulty, and effectively collects and cleans dust, preventing dust from scattering.
Smart Images

Figure CN223677341U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to dustproof ventilation duct field, especially relates to a dustproof ventilation duct. BACKGROUND
[0002] The cold air machine is divided into refrigeration industrial cold air machine and household cold air machine, the industrial cold air machine is generally used in cold storage, cold chain logistics refrigeration environment, and the household cold air machine is also called water-cooled air conditioner, which is an evaporative cooling and ventilation unit with cooling, ventilation, dust prevention and odor removal.
[0003] The prior art has specially developed some dustproof ventilation ducts, for example, the Chinese patent with the publication number "CN220624323U" discloses a "cold air machine dustproof ventilation duct structure", which can be scraped and cleaned by a cleaning brush, at this time, the dust scraped out can be guided by a collecting hopper, so that the dust falls into the collecting drawer inside the collecting box, thereby the device can better collect dust, and when dust needs to be cleaned during use, the loosening screw can be pulled out from the inside of the limiting hole, at this time, the collecting drawer can be pulled out by the slot, so that the device can quickly take out the collecting drawer.
[0004] Although the dustproof net can be scraped and cleaned by a cleaning brush, at this time, the dust scraped out can be guided by a collecting hopper, so that the dust falls into the collecting drawer inside the collecting box, thereby the device can better collect dust, but the dustproof net cannot be effectively disassembled during use, so that the staff cannot effectively disassemble the driving mechanism on one side of the dustproof net when maintaining the driving mechanism, which increases the degree of complexity of the staff when maintaining the driving mechanism. UTILITY MODEL CONTENTS
[0005] In view of the problems mentioned in the background art, the utility model aims to provide a dustproof ventilation duct to solve the problems of the dustproof ventilation duct.
[0006] The above technical purpose of the utility model is realized by the following technical scheme:
[0007] The utility model provides a dustproof ventilation duct, including ventilation pipe main part, two limit blocks are integrally formed in ventilation pipe main part, two limit blocks all are equipped with limit slot, the upper end of ventilation pipe main part is equipped with the installation mouth, the inside of both sides limit slot is slidably installed with the installation frame, the inside of installation frame is fixedly installed with the mounting bracket, the upper end of mounting bracket is fixedly installed with small motor, the output shaft of small motor is fixedly installed with the screw rod, the outer ring of screw rod is connected with the moving block, both ends of moving block are fixedly installed with two moving plates, both sides of two moving plates are equipped with a plurality of brush, both sides of installation frame are equipped with dust screen, both sides brush are far from two moving plates one end and are pasted to install both sides dust screen surface, the bottom of ventilation pipe main part is fixedly installed with the collecting hopper, the end away from ventilation pipe main part of collecting hopper is fixedly installed with the collecting box, the side of collecting box is slidably installed with the collecting box, the end away from collecting box of collecting box is fixedly installed with the mounting plate.
[0008] As a preferred technical scheme, the upper end of the installation frame is fixedly installed with a fixed plate, the end away from the installation frame of the fixed plate is fixedly installed with a handle, and a rectangular slot is formed in the installation frame.
[0009] As a preferred technical scheme, the mounting bracket is fixedly installed in the installation frame through the rectangular slot, the screw rod is rotatably installed in the mounting bracket, and a threaded hole is formed in the inside of the moving block.
[0010] As a preferred technical scheme, both sides of the ventilation pipe main body are provided with sliding openings, and both sides of the sliding openings are slidably installed with fixed blocks.
[0011] As a preferred technical scheme, both sides of the ventilation pipe main body are provided with sliding openings, and both sides of the sliding openings are slidably installed with fixed blocks.
[0012] As a preferred technical scheme, both ends of the two fixed blocks away from the ventilation pipe main body are fixedly installed with connecting rods, the two connecting rods are slidably installed in the baffle through the sliding openings, and the ends of the two connecting rods away from the fixed blocks are fixedly installed with stop blocks.
[0013] As a preferred technical scheme, the inside of the ventilation pipe main body is provided with a dust falling opening, the collecting hopper is connected with the ventilation pipe main body through the dust falling opening, and the end of the collecting hopper away from the ventilation pipe main body is connected with the collecting box.
[0014] As a preferred technical solution, the collecting box is internally provided with a notch on one side, the collecting box is slidably installed in the collecting box through the notch, and the installation plate is internally provided with a notch at an end away from the collecting box.
[0015] As a preferred technical solution, the collecting box is internally provided with a notch on one side, the collecting box is slidably installed in the collecting box through the notch, and the installation plate is internally provided with a notch at an end away from the collecting box.
[0016] To sum up, the utility model mainly has the following beneficial effects:
[0017] When the staff needs to disassemble the installation frame, the staff can pull the pull rod on both sides of the ventilation pipe body, the fixing block clamped and installed in the fixed groove on both sides of the installation frame will be separated from the fixed groove, at this time, the staff can pull the handle to effectively pull out the installation frame, and when installing, the staff also pulls the pull rod on both sides, and the fixing block moves to the sliding opening, at this time, the staff can slide the installation frame to the limiting block, after sliding and installing, the staff releases the pull rod on both sides, and the two fixing blocks are pushed by the elastic force of the spring, so that the fixing block can be effectively slidably installed in the fixed groove, the installation frame is effectively fixed, the installation frame is prevented from falling off, and the fixing effect is improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of the utility model;
[0019] Figure 2 It is a structural schematic diagram of the collecting box and the collecting box of the utility model;
[0020] Figure 3 It is a structural schematic diagram of the ventilation pipe body;
[0021] Figure 4 It is a structural schematic diagram of the limiting block and the limiting groove of the utility model;
[0022] Figure 5 It is a structural schematic diagram of the installation frame.
[0023] Reference Signs: 1, Ventilation pipe body; 2, Limiting block; 3, Fixed plate; 4, Handle; 5, Pull rod; 6, Dust screen; 7, Slot; 8, Installation plate; 9, Collection box; 10, Collection hopper; 11, Circular port; 12, Side plate; 13, Collection box; 14, Side slot; 15, Internal thread hole; 16, Limiting screw; 17, Slot; 18, Fixed slot; 19, Slide port; 20, Fixed block; 21, Stop block; 22, Connecting rod; 23, Baffle; 24, Slide port; 25, Spring; 26, Rectangular slot; 27, Installation frame; 28, Limiting slot; 29, Installation port; 30, Dust falling port; 31, Small motor; 32, Screw rod; 33, Moving plate; 34, Brush; 35, Threaded port; 36, Moving block; 37, Installation frame. DETAILED DESCRIPTION
[0024] EMBODIMENT
[0025] REFERENCE Figures 1-5 The dustproof ventilation pipe of the embodiment comprises a ventilation pipe body 1, two limiting blocks 2 are integrally formed in the ventilation pipe body 1, limiting slots 28 are formed in the two limiting blocks 2, an installation port 29 is formed in the upper end of the ventilation pipe body 1, installation frames 27 are slidably installed in the limiting slots 28, installation frames 37 are fixedly installed in the installation frames 27, small motors 31 are fixedly installed at the upper end of the installation frames 37, screw rods 32 are fixedly installed on the output shafts of the small motors 31, moving blocks 36 are threadedly connected to the outer rings of the screw rods 32, two moving plates 33 are fixedly installed at the two ends of the moving blocks 36, a plurality of brushes 34 are arranged on the two sides of the two moving plates 33, dust screens 6 are arranged on the two sides of the installation frames 27, the two brushes 34 are attached to the surfaces of the two dust screens 6, a collection hopper 10 is fixedly installed at the bottom of the ventilation pipe body 1, a collection box 9 is fixedly installed at the end of the collection hopper 10 away from the ventilation pipe body 1, a collection box 13 is slidably installed on one side of the collection box 9, and an installation plate 8 is fixedly installed at the end of the collection box 13 away from the collection box 9.
[0026] REFERENCE Figures 2-3The upper end of the installation frame 27 is fixedly installed with a fixed plate 3, the end of the fixed plate 3 away from the installation frame 27 is fixedly installed with a handle 4, a rectangular slot 26 is arranged in the installation frame 27, the staff can lift the installation frame 27 through the handle 4, the installation frame 27 is fixedly installed in the installation frame 27 through the rectangular slot 26, the lead screw 32 is rotatably installed in the installation frame 37, the inside of the moving block 36 is provided with a threaded hole 35, the lead screw 32 is threadedly connected with the moving block 36 through the threaded hole 35, the staff can start the small motor 31, the output shaft of the small motor 31 rotates to drive the lead screw 32 to rotate, the moving block 36 is driven to move up and down when the lead screw 32 rotates, the moving plate 33 on both sides of the moving block 36 can be effectively driven to move when the moving block 36 moves up and down, and the brush 34 is fixedly installed on both sides of the moving plate 33, so the dust layer on the surface of the dustproof net 6 on both sides can be effectively cleaned when the moving plate 33 moves up and down.
[0027] Reference Figures 3-4 The both sides of the ventilation pipe body 1 are provided with sliding holes 24, the both sides of the sliding holes 24 are slidably installed with fixed blocks 20, the both ends of the two fixed blocks 20 away from the sliding holes 24 are fixedly installed with springs 25, the both sides of the ventilation pipe body 1 outside the sliding holes 24 are fixedly installed with baffles 23, the both sides of the two baffles 23 are provided with sliding holes 19, the both ends of the two springs 25 away from the fixed blocks 20 are fixedly installed on one side of the stop blocks 21, the both ends of the two fixed blocks 20 away from the ventilation pipe body 1 are fixedly installed with connecting rods 22, the both ends of the two connecting rods 22 away from the fixed blocks 20 are slidably installed in the baffles 23, the both ends of the two stop blocks 21 away from the connecting rods 22 are fixedly installed with pull rods 5, the both sides of the installation frame 27 are provided with fixed slots 18, the both sides of the two fixed blocks 20 are slidably installed in the fixed slots 18, when the staff needs to disassemble the installation frame 27, the staff can pull the pull rods 5 on the both sides of the ventilation pipe body 1, the fixed blocks 20 clamped in the fixed slots 18 on the both sides of the installation frame 27 will be separated from the fixed slots 18, at this time, the staff can pull the handle 4 to effectively pull out the installation frame 27, and when installing, the staff pulls the pull rods 5 on the both sides, the fixed blocks 20 move to the sliding holes 24, at this time, the staff can slide the installation frame 27 into the limiting blocks 2, after sliding and installing, the staff releases the pull rods 5 on the both sides, the two fixed blocks 20 are pushed by the elastic force of the springs 25, so that the fixed blocks 20 can be effectively slidably installed in the fixed slots 18, to effectively fix the installation frame 27, prevent the installation frame 27 from falling off and improve the fixing effect.
[0028] Reference Figures 4-5The inside of the ventilation pipe body 1 is provided with a dust falling port 30, the collecting hopper 10 is communicated with the ventilation pipe body 1 through the dust falling port 30, the end of the collecting hopper 10 away from the ventilation pipe body 1 is communicated with the collecting box 9, the inside of one side of the collecting box 9 is provided with a slot 17, the collecting box 13 is slidingly installed in the inside of the collecting box 9 through the slot 17, the end of the installation plate 8 away from the collecting box 13 is internally provided with a slot 7, the both sides of the collecting box 9 are provided with side slots 14, the both sides of the end of the installation plate 8 close to the collecting box 9 are fixedly installed with side plates 12, the inside of the both side plates 12 are provided with circular ports 11, the inside of the both side slots 14 are provided with internal thread holes 15, the side plates 12 are slidingly installed in the inside of the side slots 14, the internal thread holes 15 are internally threadedly connected with limiting screws 16, the two limiting screws 16 are threadedly connected in the inside of the internal thread holes 15 through the circular ports 11, the brushed dust layer will flow into the collecting hopper 10 from the inside of the dust falling port 30, then the dust layer will flow into the inside of the collecting box 9 from the collecting hopper 10, when the dust flows into the inside of the collecting box 9, the dust will fall into the inside of the collecting box 13 to achieve the effect of gathering dust, which can effectively prevent the dust from scattering to the outside, under the long-time gathering, the workers can loosen the limiting screws 16 on the both sides of the collecting box 9, so that the workers can effectively pull the slot 7 to pull out the collecting box 13, which can effectively clean the accumulated dust.
[0029] Principle and advantages: in the ventilation pipe body 1 air inlet, dustproof net 6 installed in the ventilation pipe body 1 inside can block the dust inside the air to the inside of dustproof net 6, because dustproof net 6 are installed in the installation frame 27 both sides, and the installation frame 27 inside sliding installation has brush 34, this time staff can start small motor 31, small motor 31 output shaft rotation drive screw 32 rotation, in the screw 32 rotation can drive the moving block 36, make the moving block 36 up and down movement, so in the moving block 36 up and down movement can effectively drive the moving plate 33 both sides of the moving block 36, and the brush 34 is fixedly installed in the moving plate 33 both sides, so in the moving plate 33 up and down movement can effectively brush off the dust layer on the surface of the dustproof net 6 both sides, so as to effectively clean the dust on the surface of the dustproof net 6 both sides, reduce the blockage of ventilation pipe body 1, the dust layer is brushed off from the ash fall 30 inside flow into the collecting hopper 10, then the dust layer flows into the collecting box 9 inside, when the dust flows into the collecting box 9 inside, the dust will fall into the collecting box 13 inside to achieve the effect of gathering dust, which can effectively prevent dust from scattering to the outside, after a long time of accumulation, the staff can loosen the limiting screw 16 both sides of the collecting box 9, so that the staff can effectively pull the slot 7 to pull out the collecting box 13, effectively clean up the accumulated dust, when the staff needs to disassemble the installation frame 27, the staff can pull the pull rod 5 both sides of the ventilation pipe body 1, the fixed block 20 installed in the fixed groove 18 both sides of the installation frame 27 will be separated from the fixed groove 18, this time the staff can pull the handle 4 to effectively pull out the installation frame 27, and when installing, the staff also pull the pull rod 5 both sides, the fixed block 20 moves to the sliding opening 24 inside, this time the staff in the installation frame 27 sliding installation to the limiting block 2 inside, after sliding installation, the staff releases the pull rod 5 both sides, the two fixed blocks 20 will be pushed by the elastic force of the spring 25, so that the fixed block 20 can be effectively slidingly installed in the fixed groove 18, to effectively fix the installation frame 27, prevent the installation frame 27 from falling off and improve the fixing effect.
Claims
1. A dustproof ventilation duct, comprising a ventilation duct body (1), characterized in that: The ventilation duct body (1) has two integrally formed limiting blocks (2) inside. Both limiting blocks (2) have limiting grooves (28). The ventilation duct body (1) has an installation port (29) at the upper end. The limiting grooves (28) on both sides are slidably installed with mounting frames (27). The mounting frames (27) are fixedly installed with mounting brackets (37). The upper end of the mounting brackets (37) is fixedly installed with a small motor (31). The output shaft of the small motor (31) is fixedly installed with a lead screw (32). The outer ring of the lead screw (32) is threadedly connected with a moving block (36). Both ends of the moving block (36) are fixedly installed with... There are two movable plates (33), and multiple brushes (34) are provided on both sides of the two movable plates (33). Dustproof nets (6) are provided on both sides of the mounting frame (27). The ends of the brushes (34) on both sides away from the two movable plates (33) are attached to the surface of the dustproof nets (6) on both sides. A collection hopper (10) is fixedly installed at the bottom of the ventilation pipe body (1). A collection box (9) is fixedly installed at the end of the collection hopper (10) away from the ventilation pipe body (1). A collection box (13) is slidably installed on one side of the collection box (9). An mounting plate (8) is fixedly installed at the end of the collection box (13) away from the collection box (9).
2. The dustproof ventilation duct according to claim 1, characterized in that: A fixing plate (3) is fixedly installed on the upper end of the mounting frame (27), and a handle (4) is fixedly installed on the end of the fixing plate (3) away from the mounting frame (27). A rectangular groove (26) is opened inside the mounting frame (27).
3. A dustproof ventilation duct according to claim 2, characterized in that: The mounting bracket (37) is fixedly installed inside the mounting frame (27) through a rectangular groove (26). The lead screw (32) is rotatably installed inside the mounting bracket (37). The moving block (36) has a threaded opening (35) inside. The lead screw (32) is threadedly connected to the moving block (36) through the threaded opening (35).
4. A dustproof ventilation duct according to claim 1, characterized in that: The ventilation pipe body (1) has sliding openings (24) on both sides. Fixing blocks (20) are slidably installed inside the sliding openings (24) on both sides. Springs (25) are fixedly installed at the ends of the two fixing blocks (20) away from the sliding openings (24).
5. A dustproof ventilation duct according to claim 4, characterized in that: Both sides of the ventilation pipe body (1) are fixedly installed with baffles (23) outside the sliding port (24). The two baffles (23) are both provided with sliding ports (19). The ends of the two springs (25) away from the fixed block (20) are fixedly installed on one side of the baffle (21).
6. A dustproof ventilation duct according to claim 5, characterized in that: Two fixed blocks (20) are each fixedly mounted with a connecting rod (22) at the end away from the main body of the ventilation pipe (1). Both connecting rods (22) are slidably mounted inside the baffle (23) through the sliding opening (19). Both connecting rods (22) are each fixedly mounted with a stop block (21) at the end away from the fixed block (20). The stop block (21) is fitted to one side of the baffle (23). Both stop blocks (21) are fixedly mounted with a pull rod (5) at the end away from the connecting rod (22). Both sides of the mounting frame (27) are provided with fixing grooves (18). Both fixed blocks (20) are slidably mounted inside the fixing grooves (18).
7. A dustproof ventilation duct according to claim 1, characterized in that: The ventilation pipe body (1) has an ash discharge port (30) inside. The collection hopper (10) is connected to the ventilation pipe body (1) through the ash discharge port (30). The end of the collection hopper (10) away from the ventilation pipe body (1) is connected to the collection box (9).
8. A dustproof ventilation duct according to claim 1, characterized in that: The collection box (9) has a slot (17) inside one side, and the collection box (13) is slidably installed inside the collection box (9) through the slot (17). The mounting plate (8) has a groove (7) inside the end away from the collection box (13).
9. A dustproof ventilation duct according to claim 8, characterized in that: The collection box (9) has side grooves (14) on both sides. The mounting plate (8) has side plates (12) fixedly installed on both sides of one end of the collection box (9). The two side plates (12) have circular openings (11) inside. The side grooves (14) on both sides have internal threaded holes (15) inside. The side plates (12) are slidably installed inside the side grooves (14). The internal threaded holes (15) are threaded with limiting screws (16). The two limiting screws (16) are threaded into the internal threaded holes (15) through the circular openings (11).
Citation Information
Patent Citations
Dustproof ventilating duct structure of air cooler
CN220624323U