CN217737442U

CN217737442U - Air supply pipeline with noise reduction structure for exhaust system

Info

Publication number: CN217737442U
Application number: CN202221334984.3U
Authority: CN
Inventors: 何小芳; 彭付军
Original assignee: Ningbo Haishu Jiacheng Hardware Tools Co ltd
Current assignee: Ningbo Haishu Jiacheng Hardware Tools Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-04
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses an exhaust system is with blast pipe who has noise reduction structure, including blast pipe main part, installation piece, spacing bolt, rubber ring and amortization pipeline, the fixed installation piece that is provided with of one side surface edge of blast pipe main part, and the equidistant spacing of surface of installation piece runs through and is provided with spacing bolt to it is equipped with the rubber ring all to overlap between one side surface of spacing bolt and installation piece. This exhaust system is with air supply pipeline who has the structure of making an uproar of falling, be provided with aviation baffle and ventilation hole, this air supply pipeline main part is the in-process wind that uses gets into from the air intake, later aviation baffle and ventilation hole through equidistant slope setting, thereby the effectual noise that produces the inside high wind speed of amortization pipeline reduces effectively, simultaneously through the cotton piece of sound absorption of bonding on the amortization pipeline inner wall, can absorb the inside noise of pipeline body, thereby make whole have the function of noise reduction, whole result of use is better.

Description

Air supply pipeline with noise reduction structure for exhaust system

Technical Field

The utility model relates to an exhaust system supply-air duct technical field specifically is an exhaust system is with supply-air duct who has the structure of making an uproar of falling.

Background

The exhaust system is used for preventing the harmful substances generated in the production process of the equipment from polluting the air in a workshop, usually trapping the harmful substances on the spot through an exhaust hood or an exhaust inlet, conveying the trapped harmful substances to the purification equipment through a pipeline for treatment, and recycling or exhausting the trapped harmful substances into the atmosphere after the trapped harmful substances meet the emission standard. When a plurality of such devices are provided in production, and the local exhaust air volume of each device does not need to be large, for economic consideration, the devices are often connected into a whole by pipelines to form a local exhaust air system, and the whole system shares one purifying device and one fan.

The existing exhaust system is generally required to be connected with an air supply pipeline, and the flow of air inside the existing air supply pipeline in the using process is enabled to be large in overall noise, so that the normal operation of indoor personnel is influenced, and the whole exhaust system does not have a silencing structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exhaust system is with blast pipe who has noise reduction structure to current exhaust system who proposes in solving above-mentioned background art generally need connect blast pipe, and current blast pipe is at the flow of the in-process inside air that uses, makes holistic noise great, thereby influences indoor personnel's normal operation, wholly does not possess the problem of amortization structure.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an exhaust system is with supply-air duct that has structure of making an uproar of falling, includes supply-air duct main part, installation piece, spacing bolt, rubber ring and amortization pipeline, the fixed installation piece that is provided with in one side surface edge of supply-air duct main part, and the equidistant spacing of surface of installation piece runs through and is provided with spacing bolt to it is equipped with the rubber ring all to overlap between one side surface of spacing bolt and installation piece, the inside laminating conflict of supply-air duct main part is provided with the amortization pipeline, and the laminating is provided with on the inner wall of amortization pipeline and inhales the cotton piece of sound, the equidistant aviation baffle that is provided with in top and bottom one side equal symmetry of amortization pipeline, one side surface edge that installation piece was kept away from to supply-air duct main part runs through the rotation block and is provided with the swivel ring.

Preferably, the air deflector inside the top end and the air deflector inside the bottom end of the silencing pipeline are obliquely arranged, the oblique directions of the air deflectors face to one side of the mounting block, the air deflectors inside the top end and the air deflectors inside the bottom end of the silencing pipeline are arranged in a staggered mode, and air vents penetrate through the air deflectors at equal intervals;

by adopting the technical scheme, the noise generated by high wind speed can be effectively reduced by the inclined arrangement of the air deflector and the arrangement of the internal ventilation hole.

Preferably, a limiting ring is arranged on the outer surface of one end, far away from the mounting block, of the air supply pipeline main body, the outer surface of one side of the limiting ring is abutted with the outer surface of one side of the silencing pipeline and the outer surface of one side of the air supply pipeline main body in a fitting manner, and a rubber pad is arranged at the edge of the outer surface, close to one side of the air supply pipeline main body, of the limiting ring;

adopt above-mentioned technical scheme to make whole setting through the spacing ring, it is spacing to install amortization pipeline and supply air duct main part to guarantee the stability of both installations.

Preferably, a filter screen ring is attached to the outer surface of one side, away from the air supply pipeline body, of the limiting ring, a filter screen is arranged inside the filter screen ring, fixing bolts penetrate through the filter screen ring and the limiting ring at equal intervals, and one end of each fixing bolt is installed inside the edge of the outer surface of one side of the air supply pipeline body in an embedded mode;

adopt above-mentioned technical scheme to make through the setting of filter screen to the impurity to the outside is isolated in inspiratory in-process and is blockked, plays certain effect of filtering protection.

Preferably, a large gear penetrates through the outer surface of the rotating ring, the inner wall of the large gear is fixedly connected with the outer surface of the rotating ring in a fit manner, a small gear is arranged on the outer surface of the top end of the large gear in a meshed manner, a mounting frame is arranged on the outer surface of one side, close to the top end of the small gear, of the air supply pipeline body in a connected manner, and a driving motor is arranged inside the top end of the mounting frame;

adopt above-mentioned technical scheme to make thereby the rotation through driving motor output shaft drive the pinion and rotate, thereby the rotation through the pinion drives the gear wheel of bottom meshing and rotates simultaneously.

Preferably, the output end of the driving motor is fixedly connected with the middle position of one side of the pinion, connecting blocks are transversely arranged at the edge of one side of the top end and the edge of one side of the bottom end of the large gear, a fixing plate is arranged between the connecting blocks in a connecting manner, a cleaning brush is arranged on one side, close to the air supply pipeline main body, of the fixing plate, and the outer surface of one side of the cleaning brush is attached to the outer surface of one side of the filter screen;

thereby adopt above-mentioned technical scheme to drive the fixed plate and the brush cleaner of one side through the rotation of gear wheel and rotate to clean the outside impurity of filter screen, thereby make whole have certain self-cleaning function.

Compared with the prior art, the beneficial effects of the utility model are that: this exhaust system is with supply air duct who has the structure of making an uproar of falling:

1. the air supply pipeline is provided with the air guide plates and the vent holes, air enters from the air inlet in the use process of the air supply pipeline main body, then the air guide plates and the vent holes are obliquely arranged at equal intervals, so that the noise generated by high air speed in the silencing pipeline is effectively reduced, meanwhile, the noise in the pipeline can be absorbed through the sound absorption cotton blocks adhered to the inner wall of the silencing pipeline, the whole air supply pipeline has the function of reducing the noise, and the whole use effect is better;

2. the cleaning brush is provided with a large gear and a small gear, the large gear and the small gear are meshed and connected, so that the small gear rotates to drive the large gear to rotate simultaneously, and the cleaning brush on one side is driven to clean the outer side of the filter screen through the rotation of the large gear, so that the cleaning brush is convenient to clean integrally, and the cleaning brush has a certain self-cleaning function so as not to influence the normal air supply of the device and avoid blockage;

3. be provided with the spacing ring, the amortization pipeline among the device can carry out the split with the supply air duct main part and take out to when making whole structure or the material to inside at the later stage change, need not to dismantle the supply air duct main part, whole easy dismounting is convenient for overhaul the change, and whole use is more convenient.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the overall split three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the split three-dimensional structure of the rotating ring and the bull gear of the present invention;

fig. 4 is the schematic view of the sectional side view structure of the installation of the air deflector and the silencing pipe of the present invention.

In the figure: 1. an air supply duct main body; 2. mounting blocks; 3. a limit bolt; 4. a rubber ring; 5. a sound-deadening duct; 6. a sound absorbing cotton block; 7. an air deflector; 8. a vent hole; 9. a limiting ring; 10. fixing the bolt; 11. a rubber pad; 12. a filter screen ring; 13. a filter screen; 14. a rotating ring; 15. a bull gear; 16. a pinion gear; 17. a mounting frame; 18. a drive motor; 19. connecting blocks; 20. a fixing plate; 21. and (4) cleaning the brush.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an exhaust system is with blast pipe who has structure of making an uproar of falling, including blast pipe main part 1, installation piece 2, stop bolt 3, rubber ring 4, amortization pipeline 5, inhale cotton piece 6 of sound, aviation baffle 7, ventilation hole 8, stop ring 9, fixing bolt 10, rubber pad 11, filter screen ring 12, filter screen 13, swivel ring 14, gear wheel 15, pinion 16, mounting bracket 17, driving motor 18, connecting block 19, fixed plate 20 and cleaning brush 21, the fixed installation piece 2 that is provided with of one side surface edge of blast pipe main part 1, and the equidistant spacing bolt 3 that runs through of surface of installation piece 2, and all the cover is equipped with rubber ring 4 between stop bolt 3 and one side surface of installation piece 2, the inside laminating conflict of blast pipe main part 1 is provided with amortization pipeline 5, and the laminating is provided with on the inner wall of amortization pipeline 5 inhales cotton piece 6 of sound, the top of amortization pipeline 5 and the equidistant aviation baffle 7 that is provided with of bottom one side equal symmetry, one side surface edge that blast pipe main part 1 kept away from installation piece 2 runs through and rotates the block 14 and is provided with swivel ring 14.

The air deflector 7 inside the top end of the silencing pipeline 5 and the air deflector 7 inside the bottom end of the silencing pipeline are obliquely arranged, the oblique directions of the air deflectors 7 are towards one side of the mounting block 2, the air deflectors 7 inside the top end of the silencing pipeline 5 and the air deflectors 7 inside the bottom end of the silencing pipeline are arranged in a staggered mode, and air vents 8 penetrate through the air deflectors 7 at equal intervals; one end surface that installation piece 2 was kept away from to supply air duct main part 1 is provided with spacing ring 9, and one side surface of spacing ring 9 is contradicted with one side surface of amortization pipeline 5 and the laminating of one side surface of supply air duct main part 1, and one side surface edge that spacing ring 9 is close to supply air duct main part 1 is provided with rubber pad 11, after this piping erection is accomplished, when using, when high-speed wind passes through the inside of amortization pipeline 5, aviation baffle 7 and the inside equidistant ventilation hole 8 that sets up of aviation baffle 7 through its inside a plurality of slopes, thereby can effectually effectively reduce the noise that the inside high wind speed of amortization pipeline 5 produced, simultaneously through the cotton piece 6 of inhaling in the 5 inner walls of amortization pipeline, can absorb the inside noise of pipeline, holistic noise reduction effect is good, simultaneously can glue the rubber slab in the outside of supply air duct main part 1, thereby make whole use and have used and reduced earthquake and feel and noise.

One side surface laminating that supply air duct main part 1 was kept away from to spacing ring 9 is provided with filter screen ring 12, and the inside of filter screen ring 12 is provided with filter screen 13, equidistant through setting with fixing bolt 10 between filter screen ring 12 and the spacing ring 9, and the embedded one side surface edge inside of installing at supply air duct main part 1 of one end of fixing bolt 10, at first dismantle connecting block 19 and fixed plate 20 when needs are dismantled to amortization pipeline 5, later rotate fixing bolt 10 of spacing ring 9 one side again and take out, thereby make filter screen ring 12, one side of spacing ring 9 and supply air duct main part 1 breaks away from, thereby make one side of amortization pipeline 5 lose the interference power thereby can take amortization pipeline 5 wholly from the inside of supply air duct main part 1 out, whole easy dismounting.

A large gear 15 penetrates through the outer surface of the rotating ring 14, the inner wall of the large gear 15 is fixedly connected with the outer surface of the rotating ring 14 in a fit manner, a small gear 16 is arranged on the outer surface of the top end of the large gear 15 in a meshed manner, a mounting frame 17 is arranged on the outer surface of one side, close to the small gear 16, of the top end of the air supply pipeline body 1 in a connected manner, and a driving motor 18 is arranged inside the top end of the mounting frame 17; the output of driving motor 18 is connected fixedly with one side intermediate position of pinion 16, top one side edge and bottom one side edge of gear wheel 15 all transversely are provided with connecting block 19, and it is provided with fixed plate 20 to be connected between connecting block 19 and the connecting block 19, and one side that fixed plate 20 is close to supply air duct main part 1 is provided with brush 21, simultaneously brush 21's one side surface and filter screen 13's one side surface laminating, when using the device, through filter screen 13's setting, thereby isolate the impurity in the wind of external suction, thereby prevent that impurity from getting into inside, long after blockking the filter time, need clean dust or impurity in the filter screen 13 outside, prevent to block up, at first only need start driving motor 18, through the slow rotation of driving motor 18 output shaft, the pinion 16 who drives one side rotates, thereby drive bottom meshing's gear wheel 15 and rotate simultaneously through the rotation of pinion 16, thereby drive fixed plate 20 and brush 21 of one side rotate simultaneously, thereby clean filter screen 13 outside surface through the rotation of brush 21, thereby certain structure of cleaning has been played, prevent to block up, the manual work and climb is swiftly cleaned, the whole use is convenient.

The working principle is as follows: when using this exhaust system with the blast pipe who falls the structure of making an uproar, the device can set up some rubber materials between the laminating side on mounting bracket 17 and blast pipe main part 1 top in the in-process of using to reduce the noise that driving motor 18 starts the production, make whole result of use better, increased holistic practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an exhaust system is with blast pipe who has the structure of making an uproar of falling, includes blast pipe main part (1), installation piece (2), spacing bolt (3), rubber ring (4) and amortization pipeline (5), its characterized in that: the utility model discloses a damping air supply pipeline, including air supply pipeline main part (1), one side surface edge of air supply pipeline main part (1) is fixed and is provided with installation piece (2), and the surface of installation piece (2) is equidistant to run through and is provided with spacing bolt (3) to all overlap between one side surface of spacing bolt (3) and installation piece (2) and be equipped with rubber ring (4), the inside laminating conflict of air supply pipeline main part (1) is provided with amortization pipeline (5), and laminates on the inner wall of amortization pipeline (5) and is provided with and inhale sound cotton piece (6), the top of amortization pipeline (5) and the equal equidistant aviation baffle (7) that are provided with in bottom one side symmetry, one side surface edge that installation piece (2) was kept away from in air supply pipeline main part (1) runs through to rotate the block and is provided with swivel becket (14).

2. The air supply duct with the noise reduction structure for the exhaust system according to claim 1, characterized in that: the air guide plate (7) in the top of the silencing pipeline (5) and the air guide plate (7) in the bottom of the silencing pipeline are obliquely arranged, the oblique directions are towards one side of the mounting block (2), the air guide plate (7) in the top of the silencing pipeline (5) and the air guide plate (7) in the bottom of the silencing pipeline are arranged in a staggered mode, and air vents (8) are arranged in the air guide plate (7) in the bottom of the silencing pipeline in a penetrating mode at equal intervals.

3. A supply air duct with a noise reducing structure for an exhaust system according to claim 1, characterized in that: the one end surface that installation piece (2) were kept away from in supply air duct main part (1) is provided with spacing ring (9), and the laminating of one side surface and one side surface of amortization pipeline (5) of spacing ring (9) and one side surface of supply air duct main part (1) is contradicted to one side surface edge that spacing ring (9) are close to supply air duct main part (1) is provided with rubber pad (11).

4. An air supply duct with noise reduction structure for exhaust system according to claim 3, characterized in that: the utility model discloses a spacing air supply duct body (1) is kept away from in spacing ring (9) one side surface laminating of air supply duct body (1) is provided with filter screen ring (12), and the inside of filter screen ring (12) is provided with filter screen (13), equidistant through setting bolt (10) between filter screen ring (12) and spacing ring (9), and the one end of fixing bolt (10) is embedded to be installed inside one side surface edge of air supply duct body (1).

5. The blast duct with noise reduction structure for exhaust system according to claim 4, wherein: the surface of rotating ring (14) runs through and is provided with gear wheel (15), and the inner wall of gear wheel (15) and the surface laminating fixed connection of rotating ring (14), the top surface meshing of gear wheel (15) is connected and is provided with pinion (16), the top one side surface connection that supply air duct main part (1) is close to pinion (16) is provided with mounting bracket (17), and the inside driving motor (18) that is provided with in top of mounting bracket (17).

6. The blast duct with noise reduction structure for exhaust system according to claim 5, wherein: the output of driving motor (18) is connected fixedly with one side intermediate position of pinion (16), top one side edge and bottom one side edge of gear wheel (15) all transversely are provided with connecting block (19), and are connected between connecting block (19) and are provided with fixed plate (20), and one side that fixed plate (20) are close to supply-air duct main part (1) is provided with brush cleaner (21), and the surface of one side of brush cleaner (21) simultaneously laminates with the surface of one side of filter screen (13).