CN216518643U

CN216518643U - Roots blower silencer

Info

Publication number: CN216518643U
Application number: CN202122936141.2U
Authority: CN
Inventors: 李苏亮
Original assignee: Lianyungang Fitch Electric Power Machinery Co ltd
Current assignee: Lianyungang Fitch Electric Power Machinery Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-13
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a Roots blower silencer, which comprises a device shell, wherein a first guide pipe is fixedly connected with an opening at the left end of the device shell, a first flange is fixedly sleeved on the outer wall of the first guide pipe, a first installation pipe is slidably connected with the inner wall of the first guide pipe, a second flange which is in contact with the outer wall of the first flange is sleeved on the outer wall of the first installation pipe, positioning pipes are fixedly connected with the side walls of the second flange and the first installation pipe, one end, far away from the second flange, of each positioning pipe is fixedly connected with a third flange, the inner wall of each positioning pipe is slidably connected with a second installation pipe, nine uniformly distributed installation sliding rods are fixedly connected among the first flange, the second flange and the third flange, and positioning rings are slidably connected among the outer walls of the nine installation sliding rods. According to the utility model, the Roots blower is arranged on the third flange, and the first mounting pipe and the second mounting pipe are inserted into the air outlet pipe of the Roots blower, so that the Roots blower has the effects of convenience in mounting and fixing, and the assembling tightness of the Roots blower and the silencer is improved.

Description

Roots blower silencer

Technical Field

The utility model relates to the technical field of auxiliary equipment of Roots blowers, in particular to a silencer of a Roots blower.

Background

The Roots blower belongs to a positive displacement blower, and the end face of an impeller and front and rear end covers of the blower are arranged. The principle is that the rotary compressor compresses and conveys gas by utilizing the relative movement of two blade-shaped rotors in a cylinder, the blower has simple structure and convenient manufacture, is widely applied to aquaculture oxygenation, sewage treatment aeration and cement conveying, is more suitable for a gas conveying and pressurizing system in a low-pressure occasion, and can also be used as a vacuum pump, and the noise of a Roots blower is very loud during operation and needs a silencer to treat the noise.

But in the in-service use in-process, traditional muffler installation is firm inadequately, adopts flange snap-on to take the air-out pipe of roots's fan more, the relatively poor problem of leakproofness, so we provide a roots's fan muffler.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a Roots blower silencer which has the advantages of being convenient to install and fix, improving the sealing performance of the silencer and an air outlet pipe of the Roots blower, not influencing the air outlet quality, and solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a roots's fan muffler, includes the device shell, the left end opening fixed connection stand pipe one of device shell, the fixed flange that has cup jointed of outer wall of stand pipe one, the inner wall sliding connection of stand pipe one has installation pipe one, the outer wall of installation pipe one has cup jointed the flange two that contacts with flange one outer wall, the equal fixedly connected with registration arm of the lateral wall of flange two and installation pipe one, the one end fixedly connected with flange three of flange two is kept away from to the registration arm, the inner wall sliding connection of registration arm has installation pipe two, fixedly connected with nine evenly distributed installation slide bars between flange one, flange two and the flange three, nine sliding connection has the holding ring between the outer wall of installation slide bar.

Preferably, nine installation sliding strips are fixedly connected between the lower surface of the positioning ring and the second installation pipe, a sliding groove for limiting and sliding the installation sliding strips is formed in the outer wall of the positioning pipe, at least ten guide grooves are formed in the inner walls of the first installation pipe and the second installation pipe, and the inner diameters of the first installation pipe and the second installation pipe are the same.

Preferably, one end of the first installation pipe, which is close to the device shell, is fixedly connected with a limiting ring, and the outer wall of the limiting ring and the inner wall of the first guide pipe are both in an inclined plane structure.

Preferably, one end of the device shell, which is far away from the first guide pipe, is fixedly connected with a second guide pipe, the second guide pipe is of a funnel structure, and the outer wall of the second guide pipe is sleeved with a fourth flange.

Preferably, the inner wall of the device shell is fixedly connected with a spiral strip, and two resonance chambers are arranged in the device shell.

Preferably, the inner wall fixedly connected with of resonance chamber is no less than five resonance plates, the resonance plates are the annular structure, the inner wall fixedly connected with of device shell and the cartridge filter that the resonance plate contacted, the inner wall and the helical strip of cartridge filter are fixed connection, the filtration pore has been seted up to the outer wall of cartridge filter.

Compared with the prior art, the utility model has the following beneficial effects:

1. the Roots blower and the Roots blower are convenient to mount and fix by arranging the first mounting pipe, the second mounting pipe, the mounting sliding strip, the positioning ring, the mounting sliding rod and the positioning barrel, so that the effects of air outlet guiding and no influence on air outlet quality are achieved;

2. the utility model realizes the multilayer silencing effect by arranging the spiral strip, the resonance chamber, the resonance plate and the filter cylinder, improves the silencing efficiency of the silencer on the Roots blower, and achieves the effect of improving the stability of airflow.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is a perspective view of the mounting tube of the present invention;

fig. 4 is a perspective view of the filter cartridge of the present invention.

In the figure: 1. a device housing; 2. a first guide pipe; 3. a first flange; 4. installing a first pipe; 5. a second flange; 6. a positioning tube; 7. a third flange; 8. mounting a second pipe; 9. installing a sliding rod; 10. a positioning ring; 11. installing a slide bar; 12. a limiting ring; 13. a second guide pipe; 14. fourthly, a flange; 15. a helical strip; 16. a resonance chamber; 17. a resonator plate; 18. and (3) a filter cartridge.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a roots's fan muffler, including device shell 1, device shell 1's left end opening fixed connection stand pipe one 2, the fixed cup joint of outer wall of stand pipe one 2 has flange one 3, the inner wall sliding connection of stand pipe one 2 has installation pipe one 4, the outer wall of installation pipe one 4 has cup jointed flange two 5 that contact with flange one 3 outer wall, flange two 5 and the equal fixedly connected with registration arm 6 of the lateral wall of installation pipe one 4, the one end fixedly connected with flange three 7 of flange two 5 is kept away from to registration arm 6, the inner wall sliding connection of registration arm 6 has installation pipe two 8, flange one 3, nine evenly distributed's installation slide bar 9 of fixedly connected with between flange two 5 and the flange three 7, sliding connection has holding ring 10 between the outer wall of nine installation slide bar 9.

The staff is connected through the play tuber pipe of flange three 7 with roots's fan to in will installing pipe 4 and installing pipe two 8 together insert the air-out pipe, make roots's fan exhaust wind through installing pipe 4 and installing pipe two 8 entering device shell 1 in, thereby reached the installation of being convenient for and fixed effect, improved roots's fan and the device's leakproofness.

Further, nine installation draw slivers 11 of fixedly connected with between the lower surface of holding ring 10 and the installation pipe two 8, the spacing gliding spout of confession installation draw slivers 11 is seted up to the outer wall of registration arm 6, and ten guide ways are all seted up to the inner wall of installation pipe one 4 and installation pipe two 8 to be no less than, and installation pipe one 4 is the same with the internal diameter of installation pipe two 8.

The staff drives nine installation draw runner 11 through pulling holding ring 10 and removes to it is intraductal in the air-out that roots's fan was inserted to realize installation pipe one 4 and installation pipe two 8, the staff operation of being convenient for.

Furthermore, one end of the first installation pipe 4, which is close to the device shell 1, is fixedly connected with a limiting ring 12, and the outer wall of the limiting ring 12 and the inner wall of the first guide pipe 2 are both in an inclined surface structure.

When the first mounting pipe 4 and the second mounting pipe 8 move, the inner wall of the first limiting ring 12 and the inner wall of the first mounting pipe 4 are driven to contact, so that the effect of preventing the first mounting pipe 4 from moving too much is achieved, and the sealing performance of the device is improved by utilizing the inclined plane structures of the first limiting ring 12 and the first guide pipe 2.

Furthermore, one end, far away from the first guide pipe 2, of the device shell 1 is fixedly connected with a second guide pipe 13, the second guide pipe 13 is of a funnel structure, and the outer wall of the second guide pipe 13 is sleeved with a fourth flange 14.

Through the funnel structure of the second guide pipe 13, air outlet is facilitated, and workers can connect the device with other equipment through the fourth flange 14.

Further, the inner wall of the device housing 1 is fixedly connected with a spiral strip 15, and two resonance chambers 16 are arranged inside the device housing 1.

The Roots blower discharges air into the resonance chamber 16 through the helical strip 15 in the device housing 1 to provide a guide for the air flow and facilitate damping of the resonance chamber 16.

Further, the inner wall fixedly connected with of resonance chamber 16 is no less than five resonance plates 17, and resonance plates 17 are the loop configuration, and the inner wall fixedly connected with of device shell 1 and the cartridge filter 18 that resonance plates 17 contacted, the inner wall and the helical strip 15 of cartridge filter 18 are fixed connection, and the filtration pore has been seted up to the outer wall of cartridge filter 18.

The noise generated by the airflow is reduced by the resonator plate 17 and the filter holes in the filter cartridge 18 facilitate the introduction of noise into the resonator chamber 16, improving the overall noise reduction.

The working principle is as follows: when this roots blower muffler used, the staff passed through three 7 of flanges and the play tuber union coupling of the device with roots blower, afterwards, pulling holding ring 10 drove nine installation draw runner 11 and removes along the spout on the registration arm 6, it is intraductal to make two 8 installation pipes insert roots blower's air-out, two 8 installation pipes drive the inner wall of spacing ring 12 and stand pipe one 2 through installation pipe one 4 and contact, thereby reached be convenient for the installation fixed with improve the leakproofness between play tuber pipe and the muffler, and four 14 this muffler and other equipment connections of staff's accessible flange, improve the functionality of this muffler.

After the installation is accomplished, the staff starts roots's fan, through going out the tuber pipe with gaseous guide way entering device shell 1 on installation pipe 4 and installation pipe two 8, the air current removes along the outer wall of helical strip 15, write with the helical structure of helical strip 15, pass through the leading-in resonance chamber 16 of filtration pore on the cartridge filter 18 with the noise that the air current produced, carry out the multilayer amortization to the noise through the resonance board 17 in the resonance chamber 16, and finally, the air current passes through the funnel structure direction discharge of two 13 of stand pipes, thereby the effect of multilayer amortization has been reached.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a roots's fan muffler, includes device shell (1), its characterized in that: the left end opening of the device shell (1) is fixedly connected with a first guide pipe (2), the outer wall of the first guide pipe (2) is fixedly sleeved with a first flange (3), the inner wall of the first guide pipe (2) is connected with a first installation pipe (4) in a sliding manner, the outer wall of the first installation pipe (4) is sleeved with a second flange (5) which is contacted with the outer wall of the first flange (3), the side walls of the second flange (5) and the first mounting pipe (4) are fixedly connected with a positioning pipe (6), one end of the positioning pipe (6) far away from the second flange (5) is fixedly connected with a third flange (7), the inner wall sliding connection of registration arm (6) has installation pipe two (8), fixedly connected with nine evenly distributed's installation slide bar (9) between flange one (3), flange two (5) and flange three (7), nine sliding connection has holding ring (10) between the outer wall of installation slide bar (9).

2. The roots blower muffler according to claim 1, wherein: nine installation draw runner (11) of fixedly connected with between the lower surface of holding ring (10) and installation pipe two (8), the outer wall of registration arm (6) is seted up and is supplied spacing gliding spout of installation draw runner (11), the guide way of being no less than ten is all seted up with the inner wall of installation pipe two (8) in installation pipe (4), the internal diameter of installation pipe one (4) and installation pipe two (8) is the same.

3. The roots blower muffler according to claim 1, wherein: one end of the first installation pipe (4) close to the device shell (1) is fixedly connected with a limiting ring (12), and the outer wall of the limiting ring (12) and the inner wall of the first guide pipe (2) are of inclined surface structures.

4. The roots blower muffler according to claim 1, wherein: one end of the device shell (1) far away from the first guide pipe (2) is fixedly connected with a second guide pipe (13), the second guide pipe (13) is of a funnel structure, and the outer wall of the second guide pipe (13) is sleeved with a fourth flange (14).

5. The roots blower muffler according to claim 1, wherein: the inner wall of the device shell (1) is fixedly connected with a spiral strip (15), and two resonance chambers (16) are arranged in the device shell (1).

6. The roots blower muffler according to claim 5, wherein: the utility model discloses a device, including resonance chamber (16), inner wall fixedly connected with of resonance chamber (16) is no less than five resonance board (17), resonance board (17) are the loop configuration, the cartridge filter (18) that the inner wall fixedly connected with of device shell (1) contacted with resonance board (17), the inner wall and the spiral strip (15) of cartridge filter (18) are fixed connection, the filtration pore has been seted up to the outer wall of cartridge filter (18).