CN213392685U

CN213392685U - Roots blower casing air outlet air duct structure

Info

Publication number: CN213392685U
Application number: CN202022188069.5U
Authority: CN
Inventors: 赵子平
Original assignee: Taian Botong Machinery Co ltd
Current assignee: Taian Botong Machinery Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-08
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a roots's fan casing air outlet wind channel structure, including base and motor, the inside fixedly connected with silencer casing of first flange, silencer casing's inner wall is provided with the abatvoix, abatvoix inner wall fixedly connected with honeycomb drainage plate, the inside tip that is located the abatvoix of silencer casing is provided with the noise damping piece, and the upper surface of base is located silencer casing's below fixedly connected with spring, one side fixedly connected with fixing device of spring. The utility model discloses a honeycomb drainage plate of slope can make things convenient for the transmission of noise, improves the device's result of use, absorbs the noise that the fan produced in transmission process through the abatvoix, carries out the secondary through the noise elimination piece to the noise and eliminates, makes noise reduction maximize, avoids causing pipeline and device vibrations because of the noise is too big, causes the device part wearing and tearing, has effectively avoided interference and injury because of the noise also causes the staff.

Description

Roots blower casing air outlet air duct structure

Technical Field

The utility model relates to a fan technical field specifically is a roots fan casing air outlet wind channel structure.

Background

The Roots blower is a positive displacement blower, the end face of the impeller, front and back end covers of the blower, the principle is to utilize two blade-shaped rotors to make relative motion in the cylinder to compress and transport the rotary compressor of the gas, this blower is simple in construction, it is convenient to make, apply to oxygenation of aquaculture, sewage treatment aeration, cement transport extensively, is more suitable for the gas transport and pressurization system of the low pressure occasion, can also be used as the vacuum pump, etc..

But present roots's fan is because the noise is great in the use, arouses pipeline and device vibrations easily, causes the device part wearing and tearing, reduces the life of device, has also caused very big interference and injury to the staff moreover, consequently, needs a roots's fan casing air outlet wind channel structure now.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a roots fan casing air outlet wind channel structure is in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a roots fan casing air outlet wind channel structure, includes base and motor, the last fixed surface of base installs the motor, one side fixedly connected with casing of motor, the one end fixedly connected with gas outlet of casing, the first flange of tip fixedly connected with of gas outlet, the inside fixedly connected with silencer casing of first flange, the inner wall of silencer casing is provided with the abatvoix, abatvoix inner wall fixedly connected with honeycomb drainage plate, the inside tip that is located the abatvoix of silencer casing is provided with the noise damping piece, and the upper surface of base is located the below fixedly connected with spring of silencer casing, one side fixedly connected with fixing device of spring.

Preferably, the output end of the motor is fixedly connected with a driving wheel, the surface of the driving wheel is sleeved with a belt, and the driven wheel is sleeved inside one end of the belt.

Preferably, an impeller is arranged in the casing, a rotating shaft is fixedly connected to the end of the impeller, and the end of the rotating shaft is fixedly connected with the inside of the driven wheel.

Preferably, the top of the casing is fixedly connected with an air inlet, the surface of the air outlet is fixedly provided with a one-way valve, and one side of the one-way valve is fixedly provided with a pressure gauge.

Preferably, fixing device includes connecting seat, fixing base, loose axle, splint, fixing bolt and rubber pad, the last fixed surface of connecting seat is connected with the fixing base, the inside fixedly connected with loose axle of fixing base, the surperficial swing joint of loose axle has splint, the splint tip is provided with fixing bolt, the inner wall fixedly connected with rubber pad of splint.

Preferably, the end of the muffler shell is fixedly connected with a second flange, and one side of the second flange is fixedly connected with a transmission pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a cooperation setting of abatvoix, honeycomb drainage plate and noise elimination piece, the honeycomb drainage plate through the slope can make things convenient for the transmission of noise, improves the device's result of use, absorb the noise that the fan produced in transmission process through the abatvoix, carry out the secondary through the noise elimination piece to the noise and eliminate, make noise reduction maximize, avoid arousing pipeline and device vibrations because of the noise is too big, cause device part wearing and tearing, effectively avoided also interference and the injury that causes the staff because of the noise.

2. The utility model discloses a spring and fixing device's cooperation setting carries out the shock attenuation to the noise elimination subassembly through the spring, fixes the muffler casing through fixing device, through shock attenuation and fixed cooperation, makes the noise elimination subassembly more stable when making an uproar falling to the life of noise elimination subassembly and fan has been prolonged effectively.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic view of the front view cross-sectional structure of the present invention;

fig. 3 is a schematic structural view of the fixing device of the present invention.

In the figure: 1. a base; 2. a motor; 3. a housing; 4. an air outlet; 5. a first flange; 6. a muffler housing; 7. a sound-absorbing panel; 8. a honeycomb drainage plate; 9. a sound-deadening sheet; 10. a spring; 11. a fixing device; 1101. a connecting seat; 1102. a fixed seat; 1103. a movable shaft; 1104. a splint; 1105. fixing the bolt; 1106. a rubber pad; 12. a driving wheel; 13. a belt; 14. a driven wheel; 15. an impeller; 16. a rotating shaft; 17. an air inlet; 18. a one-way valve; 19. a pressure gauge; 20. a second flange; 21. and (4) conveying the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: an air outlet duct structure of a shell of a Roots blower comprises a base 1 and a motor 2, wherein the motor 2 is fixedly arranged on the upper surface of the base 1, one side of the motor 2 is fixedly connected with a shell 3, one end of the shell 3 is fixedly connected with an air outlet 4, the end part of the air outlet 4 is fixedly connected with a first flange 5, a silencer shell 6 is fixedly connected inside the first flange 5, the motor 2 drives the fan to operate when working through the arrangement of the motor 2, air pressure generated when the fan works is transmitted through the air outlet 4, the air outlet 4 and the silencer shell 6 are fixedly connected through the first flange 5, a sound-absorbing plate 7 is arranged on the inner wall of the silencer shell 6, a honeycomb flow-guiding plate 8 is fixedly connected to the inner wall of the sound-absorbing plate 7, a sound-absorbing sheet 9 is arranged at the end part, located on the sound-absorbing plate 7, of the sound-absorbing sheet 9 is, the inclined honeycomb drainage plate 8 can facilitate the transmission of noise, improve the use effect of the device, the noise generated in the transmission process of the fan is absorbed by the sound-absorbing plate 7, and is secondarily eliminated by the sound-absorbing plate 9, so that the noise is reduced to the maximum, the vibration of a pipeline and a device caused by overlarge noise is avoided, the abrasion of parts of the device is avoided, the interference and the injury to workers caused by the noise are effectively avoided, the spring 10 is fixedly connected on the upper surface of the base 1 below the silencer shell 6, the fixing device 11 is fixedly connected on one side of the spring 10, through the matching arrangement of the spring 10 and the fixing device 11, the damping component is damped through the spring 10, fix muffler casing 6 through fixing device 11, through shock attenuation and fixed cooperation, make the noise elimination subassembly more stable when making an uproar falls to the life of noise elimination subassembly and fan has been prolonged effectively.

Further, the output end of the motor 2 is fixedly connected with a driving wheel 12, a belt 13 is sleeved on the surface of the driving wheel 12, a driven wheel 14 is sleeved inside one end of the belt 13, the driving wheel 12 is driven to rotate by the motor 2 during operation, and the belt 13 and the driven wheel 14 are driven to transmit.

Further, an impeller 15 is arranged inside the casing 3, a rotating shaft 16 is fixedly connected to an end portion of the impeller 15, an end portion of the rotating shaft 16 is fixedly connected to an inside of the driven wheel 14, the driven wheel 14 drives the rotating shaft 16 to rotate when rotating, and the impeller 15 is driven to rotate at the same time, so that air is conveyed from the air inlet 17 to the air outlet 4 for conduction.

Further, the top fixedly connected with air inlet 17 of casing 3, the fixed surface of gas outlet 4 installs check valve 18, one side fixed mounting of check valve 18 has manometer 19, introduce the chamber of admitting air through air inlet 17 with the air, prevent through check valve 18 that the fan breaks down and causes the gas reflux in the transmission course, prevent that the fan from damaging, the staff of being convenient for observes conveying gas's atmospheric pressure through manometer 19 to in time make the adjustment.

Further, fixing device 11 includes connecting seat 1101, fixing base 1102, loose axle 1103, splint 1104, fixing bolt 1105 and rubber pad 1106, the last fixed surface of connecting seat 1101 is connected with fixing base 1102, the inside fixedly connected with loose axle 1103 of fixing base 1102, the surperficial swing joint of loose axle 1103 has splint 1104, splint 1104 tip is provided with fixing bolt 1105, splint 1104's inner wall fixedly connected with rubber pad 1106, fix loose axle 1103 through fixing base 1102, make splint 1104 rotate through loose axle 1103, so that fix muffler casing 6 through splint 1104, can increase the frictional force between splint 1104 and muffler casing 6 effectively through rubber pad 1106, make splint 1104 more stable to the fixed of muffler casing 6.

Further, a second flange 20 is fixedly connected to an end portion of the muffler shell 6, a transmission pipe 21 is fixedly connected to one side of the second flange 20, the muffler shell 6 and the transmission pipe 21 are fixedly connected through the second flange 20, and gas conveyed by the fan is transmitted through the transmission pipe 21.

The working principle is as follows: the motor 2 during operation drives action wheel 12 and rotates, drive belt 13 simultaneously and carry out the transmission from driving wheel 14, drive pivot 16 and rotate when rotating from driving wheel 14, drive impeller 15 simultaneously and rotate, make the air carry to gas outlet 4 from air inlet 17 and conduct, honeycomb drainage plate 8 through the slope can make things convenient for the transmission of noise, absorb the noise that the fan produced in transmission process through abatvoix 7, carry out the secondary elimination through noise damping piece 9 to the noise, make the noise reduce the maximize, cooperation through spring 10 and fixing device 11 sets up, carry out the shock attenuation through spring 10 to the noise subassembly, fix muffler casing 6 through fixing device 11, transmit the gas of fan transport through transmission pipe 21.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a roots's fan casing air outlet wind channel structure, includes base (1) and motor (2), its characterized in that: the utility model discloses a silencer, including base (1), last fixed surface installs motor (2), one side fixedly connected with casing (3) of motor (2), one end fixedly connected with gas outlet (4) of casing (3), the first flange of tip fixedly connected with (5) of gas outlet (4), the inside fixedly connected with silencer casing (6) of first flange (5), the inner wall of silencer casing (6) is provided with abatvoix (7), abatvoix (7) inner wall fixedly connected with honeycomb drainage plate (8), the inside tip that is located abatvoix (7) of silencer casing (6) is provided with noise damping piece (9), and the upper surface of base (1) is located the below fixedly connected with spring (10) of silencer casing (6), one side fixedly connected with fixing device (11) of spring (10).

2. The Roots blower casing air outlet duct structure as claimed in claim 1, wherein: the output end of the motor (2) is fixedly connected with a driving wheel (12), a belt (13) is sleeved on the surface of the driving wheel (12), and a driven wheel (14) is sleeved inside one end of the belt (13).

3. The Roots blower casing air outlet duct structure as claimed in claim 1, wherein: the impeller (15) is arranged in the casing (3), the end part of the impeller (15) is fixedly connected with a rotating shaft (16), and the end part of the rotating shaft (16) is fixedly connected with the inner part of the driven wheel (14).

4. The Roots blower casing air outlet duct structure as claimed in claim 1, wherein: the top fixedly connected with air inlet (17) of casing (3), the fixed surface of gas outlet (4) installs check valve (18), one side fixed mounting of check valve (18) has manometer (19).

5. The Roots blower casing air outlet duct structure as claimed in claim 1, wherein: fixing device (11) are including connecting seat (1101), fixing base (1102), loose axle (1103), splint (1104), fixing bolt (1105) and rubber pad (1106), the last fixed surface of connecting seat (1101) is connected with fixing base (1102), the inside fixedly connected with loose axle (1103) of fixing base (1102), the surperficial swing joint of loose axle (1103) has splint (1104), splint (1104) tip is provided with fixing bolt (1105), the inner wall fixedly connected with rubber pad (1106) of splint (1104).

6. The Roots blower casing air outlet duct structure as claimed in claim 1, wherein: the end part of the silencer shell (6) is fixedly connected with a second flange (20), and one side of the second flange (20) is fixedly connected with a transmission pipe (21).