CN215521275U - Roots blower with improved structure - Google Patents

Abstract

The utility model discloses a Roots blower with an improved structure, which comprises a workbench, wherein a Roots blower main body is arranged on one side of the top of the workbench, a driven wheel is arranged at the front end of the Roots blower main body, a motor is arranged on one side of the top of the workbench, which is far away from the Roots blower main body, one end of an output shaft of the motor is fixedly connected with a driving wheel, a driving belt is sleeved between the driving wheel and the outer wall of the driven wheel, an air inlet device is fixedly connected with the air inlet end of the Roots blower main body, the air inlet device comprises an air inlet outer pipe, and the air inlet end of the Roots blower main body is fixedly connected with the air inlet outer pipe. The air inlet device is composed of the air inlet outer pipe, the air inlet inner pipe, the elastic connecting rod and the sound absorption plate, so that noise pollution caused by high-speed airflow vibration is greatly reduced in a double-layer air pipe and elastic connection mode, meanwhile, the noise pollution of the device is greatly reduced by additionally arranging the corresponding noise reduction structure, and the using effect is better.

Description

Roots blower with improved structure

Technical Field

The utility model relates to the technical field of blowers, in particular to a Roots blower with an improved 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..

At present, the existing Roots blower can generate noise by airflow pulsation when air compression is carried out, and because each component in a working cavity of the Roots blower is in clearance fit without friction, certain requirements are met on the air condition for conveying, a large amount of dust and particle dust contained in the air can influence the service life of the Roots blower, and the noise generated during the working of the Roots blower is increased, so that a new Roots blower with an improved structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that impurities such as dust and the like in the air are not treated, the noise pollution is serious and the like.

In order to solve the technical problems, the utility model adopts a technical scheme that: the improved Roots blower comprises a workbench, a Roots blower main body is mounted on one side of the top of the workbench, a driven wheel is arranged at the front end of the Roots blower main body, a motor is mounted on one side, away from the Roots blower main body, of the top of the workbench, a driving wheel is fixedly connected to one end of an output shaft of the motor, a driving belt is sleeved between the driving wheel and the outer wall of the driven wheel, and an air inlet device is fixedly connected to the air inlet end of the Roots blower main body;

the air inlet device comprises an air inlet outer pipe, the air inlet end of the Roots blower main body is fixedly connected with the air inlet outer pipe, the center of the air inlet outer pipe is fixedly connected with an air inlet inner pipe, a plurality of elastic connecting rods are arranged between the outer wall of the air inlet inner pipe and the inner wall of the air inlet outer pipe, a plurality of sound absorbing plates are arranged between the inner walls of the air inlet inner pipes, and one end of the air inlet outer pipe, far away from the Roots blower main body, is fixedly connected with a filtering device corresponding to the air inlet inner pipe;

the filter device comprises a mounting plate, one end of the air inlet outer pipe, which is far away from the main body of the Roots blower, is fixedly connected with the mounting plate corresponding to the air inlet inner pipe, one side of the mounting plate outer wall, which is far away from the air inlet outer pipe, is fixedly connected with a first threaded sleeve, the outer wall of the first threaded sleeve is in threaded connection with an outer filter cap, the center of the mounting plate outer wall, which is far away from the air inlet outer pipe, is fixedly connected with a second threaded sleeve, the inner wall of the second threaded sleeve is in threaded connection with an inner filter cap, a hollowed-out bottom plate is arranged on one side between the inner walls of the inner filter caps, an adsorption filler corresponding to the hollowed-out bottom plate is arranged in the center of the inner filter cap, the adsorption filler consists of an adsorption rod, a drying layer, an inner filter layer and an outer filter layer, and one end of the inner filter cap outer wall, which is far away from the second threaded connection with a sealing cover;

the air outlet end of the Roots blower main body is fixedly connected with an air outlet vertical pipe, a supporting bottom plate is fixedly connected between the inner walls of the workbench, the top of the supporting bottom plate is fixedly connected with an air outlet transverse pipe corresponding to the air outlet vertical pipe, a pressure relief pipe is arranged at the center of the air outlet transverse pipe, a pressure relief device is fixedly connected to the bottom of the pressure relief pipe, and a pressure gauge is arranged on the outer wall of the air outlet transverse pipe.

Preferably, the center of the top of the workbench is fixedly connected with a support rod corresponding to the air inlet device.

Preferably, the inner wall of the air inlet inner pipe is provided with a sound absorption cotton layer.

Preferably, one end of the outer wall of the outer filter housing, which is far away from the mounting plate, is fixedly connected with a rotating handle.

Preferably, the pressure relief device comprises a connecting pipe, the bottom of the pressure relief pipe is fixedly connected with the connecting pipe, the bottom of the connecting pipe is fixedly connected with a safety pipe, the top of the inner wall of the safety pipe is provided with a pressure relief plate, the bottom of the pressure relief plate is fixedly connected with a pressure relief spring, and the bottom of the safety pipe is fixedly connected with a sounding fan cover.

Preferably, the centers of the top and the bottom of the inner wall of the safety pipe are provided with a plurality of vent holes, and the edge of the top of the pressure relief plate is provided with a plurality of pressure relief holes.

Preferably, the outer wall of the sounding wind cover is provided with a plurality of sounding holes.

The utility model has the following beneficial effects:

1. the air inlet device is composed of the air inlet outer pipe, the air inlet inner pipe, the elastic connecting rod and the sound absorption plate, so that the noise pollution caused by high-speed airflow vibration is greatly reduced in a double-layer air pipe and elastic connection mode;

2. according to the utility model, the filter device consisting of the mounting plate, the first threaded sleeve, the outer filter cover, the second threaded sleeve, the inner filter cover, the hollowed-out bottom plate, the adsorption rod, the drying layer, the inner filter layer, the outer filter layer and the sealing cover is arranged, so that the influence of impurities on the main body of the Roots blower can be greatly reduced through the treatment of the impurities such as dust in air, the durability is better, and the noise pollution is further reduced;

3. the pressure relief device is composed of the connecting pipe, the safety pipe, the pressure relief plate, the pressure relief spring and the sounding fan cover, so that pressure relief can be performed when the air outlet pressure of the device is too large, and meanwhile, the sounding fan cover can make a sound under the action of air flow, so that the effect of reminding workers is achieved, the safety of the device is greatly improved, and the practicability is better.

Drawings

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

FIG. 2 is a schematic view of the air intake device of FIG. 1;

FIG. 3 is a schematic diagram of the pressure relief device of FIG. 1;

fig. 4 is a schematic structural diagram of the vent plate in fig. 3.

In the figure: 1. a work table; 2. a Roots blower main body; 3. a driven wheel; 4. a motor; 5. a driving wheel; 6. a transmission belt; 7. an air inlet outer pipe; 8. an air inlet inner pipe; 9. an elastic link; 10. a sound absorbing panel; 11. mounting a plate; 12. a first threaded sleeve; 13. an outer filter housing; 14. a second thread insert; 15. an inner filter mantle; 16. hollowing out the bottom plate; 17. an adsorption rod; 18. drying the layer; 19. an inner filter layer; 20. an outer filter layer; 21. sealing the cover; 22. an air outlet vertical pipe; 23. a support base plate; 24. a transverse air outlet pipe; 25. a pressure relief pipe; 26. a pressure relief device; 2601. a connecting pipe; 2602. a safety tube; 2603. a pressure relief plate; 2604. a pressure relief spring; 2605. a sounding fan cover; 27. and a pressure gauge.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1, a roots blower with an improved structure comprises a workbench 1, a roots blower main body 2 is installed on one side of the top of the workbench 1, a driven wheel 3 is arranged at the front end of the roots blower main body 2, a motor 4 is installed on one side of the top of the workbench 1, which is far away from the roots blower main body 2, one end of an output shaft of the motor 4 is fixedly connected with a driving wheel 5, a driving belt 6 is sleeved between the driving wheel 5 and the outer wall of the driven wheel 3, the motor 4 can be started, so that the output shaft of the motor drives the driven wheel 3 through the driving wheel 5 and the driving belt 6, the roots blower main body 2 can start to work, and an air inlet device is fixedly connected with the air inlet end of the roots blower main body 2;

air-out fixedly connected with air-out standpipe 22 of roots blower main part 2, fixedly connected with supporting baseplate 23 between the inner wall of workstation 1, supporting baseplate 23's top fixedly connected with violently manages 24 with the air-out that air-out standpipe 22 is corresponding, the center that 24 was violently managed in the air-out is provided with pressure release pipe 25, pressure release pipe 25's bottom fixedly connected with pressure relief device 26, the outer wall that 24 was violently managed in the air-out is provided with manometer 27, can observe the device's the output condition through manometer 27, thereby be convenient for carry out corresponding adjustment operation.

Preferably, the center fixedly connected with at 1 top of workstation and the corresponding bracing piece of hot blast blowpipe apparatus, preferably, the inner wall of hot blast blowpipe inner tube 8 is provided with the cotton layer of sound absorption, and this kind of constructional device can increase the noise reduction effect of the device.

As shown in figure 2, the air intake device comprises an air intake outer pipe 7, the air intake end of the Roots blower main body 2 is fixedly connected with the air intake outer pipe 7, the center of the air intake outer pipe 7 is fixedly connected with an air intake inner pipe 8, a plurality of elastic connecting rods 9 are arranged between the outer wall of the air intake inner pipe 8 and the inner wall of the air intake outer pipe 7, a plurality of sound absorbing plates 10 are arranged between the inner walls of the air intake inner pipe 8, can pass through an air inlet device consisting of an air inlet outer pipe 7, an air inlet inner pipe 8, an elastic connecting rod 9 and a sound absorption plate 10, thereby greatly reducing the noise pollution caused by the vibration of high-speed airflow in a mode of double-layer air pipes and elastic connection, and simultaneously, by additionally arranging a corresponding noise reduction structure, the noise pollution of the device is greatly reduced, the use effect is better, and one end of the air inlet outer pipe 7 far away from the Roots blower main body 2 is fixedly connected with a filtering device corresponding to the air inlet inner pipe 8;

the filtering device comprises a mounting plate 11, one end of the air inlet outer pipe 7, which is far away from the Roots blower main body 2, is fixedly connected with the mounting plate 11 corresponding to the air inlet inner pipe 8, one side of the mounting plate 11, which is far away from the air inlet outer pipe 7, is fixedly connected with a first thread sleeve 12, the outer wall of the first thread sleeve 12 is in threaded connection with an outer filter cover 13, the center of the outer wall of the mounting plate 11, which is far away from the air inlet outer pipe 7, is fixedly connected with a second thread sleeve 14, the inner wall of the second thread sleeve 14 is in threaded connection with an inner filter cover 15, one side between the inner walls of the inner filter covers 15 is provided with a hollowed-out bottom plate 16, the center of the inner filter cover 15 is provided with an adsorption filler corresponding to the hollowed-out bottom plate 16, the adsorption filler comprises an adsorption rod 17, a drying layer 18, an inner filtering layer 19 and an outer filtering layer 20, one end of the outer wall of the inner filter cover 15, which is far away from the second thread sleeve 14, is connected with a sealing cover 21, and can be used for the mounting plate 11, The filter device comprises a first threaded sleeve 12, an outer filter cover 13, a second threaded sleeve 14, an inner filter cover 15, a hollow bottom plate 16, an adsorption rod 17, a drying layer 18, an inner filter layer 19, an outer filter layer 20 and a sealing cover 21, so that the influence of impurities on the main body 2 of the Roots blower can be greatly reduced by treating the impurities such as dust in air, the durability is better, the noise pollution is further reduced, and the cleaning and the replacement are convenient;

preferably, a rotating handle is fixedly connected to one end of the outer wall of the outer filter housing 13, which is far away from the mounting plate 11, and the structure device can facilitate the disassembly of the outer filter housing 13.

As shown in fig. 3 and 4, preferably, the pressure relief device 26 includes a connecting pipe 2601, a connecting pipe 2601 is fixedly connected to the bottom of the pressure relief pipe 25, a safety pipe 2602 is fixedly connected to the bottom of the connecting pipe 2601, a pressure relief plate 2603 is arranged on the top of the inner wall of the safety pipe 2602, a pressure relief spring 2604 is fixedly connected to the bottom of the pressure relief plate 2603, a sound-producing fan housing 2605 is fixedly connected to the bottom of the safety pipe 2602, the pressure relief device 26 composed of the connecting pipe 2601, the safety pipe 2602, the pressure relief plate 2603, the pressure relief spring 2604 and the sound-producing fan housing 2605 can be used for pressure relief when the air pressure of the outlet air of the device is too large, and sound is produced by the sound-producing fan housing 2605 under the action of the air flow, so as to remind the operator, so as to greatly increase the safety of the device, and the practicability is better.

Preferably, the center at the top and the bottom of the inner wall of the safety tube 2602 is provided with a plurality of vent holes, and the edge of the top of the pressure relief plate 2603 is provided with a plurality of pressure relief holes, preferably, the outer wall of the sound production fan housing 2605 is provided with a plurality of sound production holes.

When the utility model is used, the motor 4 can be started, so that the output shaft of the motor drives the driven wheel 3 through the driving wheel 5 and the transmission belt 6, thereby the main body 2 of the Roots blower can start to work, wherein, through the filter device consisting of the mounting plate 11, the first screw sleeve 12, the outer filter cover 13, the second screw sleeve 14, the inner filter cover 15, the hollow bottom plate 16, the adsorption rod 17, the drying layer 18, the inner filter layer 19, the outer filter layer 20 and the sealing cover 21, the influence of impurities on the main body 2 of the Roots blower can be greatly reduced through processing the impurities such as dust and the like in air, thereby the durability is better, the noise pollution is further reduced, the cleaning and the replacement are convenient, in addition, the air inlet device consisting of the air inlet outer pipe 7, the air inlet inner pipe 8, the elastic connecting rod 9 and the sound absorption plate 10 can pass through the double-layer air pipe and the elastic connection mode, thereby greatly reduced the noise pollution that high velocity air vibration arouses, still establish corresponding structure of making an uproar of falling simultaneously through adding, thereby greatly reduced the device's noise pollution, the result of use is better, it is during operation simultaneously still to put the device, can observe the device's output condition through manometer 27, thereby be convenient for carry out corresponding adjustment operation, in addition can be through by connecting pipe 2601 when the wind pressure is too big, safety tube 2602, pressure release board 2603, pressure release spring 2604 and pressure relief device 26 that the vocal fan housing 2605 constitutes, thereby can carry out the pressure release when the device air-out wind pressure is too big, still sound under the effect of air current through vocal fan housing 2605 simultaneously, thereby play the effect of reminding the staff, thereby greatly increased the device's security, the practicality is better.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. The utility model provides a construction improvement's roots blower, includes workstation (1), its characterized in that: a Roots blower main body (2) is mounted on one side of the top of the workbench (1), a driven wheel (3) is arranged at the front end of the Roots blower main body (2), a motor (4) is mounted on one side, far away from the Roots blower main body (2), of the top of the workbench (1), one end of an output shaft of the motor (4) is fixedly connected with a driving wheel (5), a driving belt (6) is sleeved between the driving wheel (5) and the outer wall of the driven wheel (3), and an air inlet device is fixedly connected with an air inlet end of the Roots blower main body (2);

the air inlet device comprises an air inlet outer pipe (7), the air inlet end of the Roots blower main body (2) is fixedly connected with the air inlet outer pipe (7), the center of the air inlet outer pipe (7) is fixedly connected with an air inlet inner pipe (8), a plurality of elastic connecting rods (9) are arranged between the outer wall of the air inlet inner pipe (8) and the inner wall of the air inlet outer pipe (7), a plurality of sound absorbing plates (10) are arranged between the inner walls of the air inlet inner pipe (8), and one end, away from the Roots blower main body (2), of the air inlet outer pipe (7) is fixedly connected with a filtering device corresponding to the air inlet inner pipe (8);

the filtering device comprises a mounting plate (11), one end, far away from the Roots blower main body (2), of the air inlet outer pipe (7) is fixedly connected with the mounting plate (11) corresponding to the air inlet inner pipe (8), one side, far away from the air inlet outer pipe (7), of the outer wall of the mounting plate (11) is fixedly connected with a first threaded sleeve (12), the outer wall of the first threaded sleeve (12) is in threaded connection with an outer filter cover (13), the center, far away from one side of the air inlet outer pipe (7), of the outer wall of the mounting plate (11) is fixedly connected with a second threaded sleeve (14), the inner wall of the second threaded sleeve (14) is in threaded connection with an inner filter cover (15), a hollowed-out bottom plate (16) is arranged on one side between the inner walls of the inner filter cover (15), an adsorption filler corresponding to the hollowed-out bottom plate (16) is arranged in the center of the inner filter cover (15), and the adsorption filler is composed of an adsorption rod (17), The drying layer (18), the inner filtering layer (19) and the outer filtering layer (20), wherein a sealing cover (21) is connected to one end, far away from the second threaded sleeve (14), of the outer wall of the inner filtering cover (15) in a threaded mode;

the air outlet end of the Roots blower main body (2) is fixedly connected with an air outlet vertical pipe (22), a supporting base plate (23) is fixedly connected between the inner walls of the workbench (1), the top of the supporting base plate (23) is fixedly connected with an air outlet transverse pipe (24) corresponding to the air outlet vertical pipe (22), a pressure relief pipe (25) is arranged at the center of the air outlet transverse pipe (24), the bottom of the pressure relief pipe (25) is fixedly connected with a pressure relief device (26), and a pressure gauge (27) is arranged on the outer wall of the air outlet transverse pipe (24).

2. The improved roots blower as set forth in claim 1, wherein: the center of the top of the workbench (1) is fixedly connected with a supporting rod corresponding to the air inlet device.

3. The improved roots blower as set forth in claim 1, wherein: the inner wall of the air inlet inner pipe (8) is provided with a sound absorption cotton layer.

4. The improved roots blower as set forth in claim 1, wherein: one end of the outer wall of the outer filter cover (13) far away from the mounting plate (11) is fixedly connected with a rotating handle.

5. The improved roots blower as set forth in claim 1, wherein: pressure relief device (26) are including connecting pipe (2601), the bottom fixedly connected with connecting pipe (2601) of pressure relief pipe (25), the bottom fixedly connected with safety pipe (2602) of connecting pipe (2601), the top of safety pipe (2602) inner wall is provided with pressure relief board (2603), the bottom fixedly connected with pressure release spring (2604) of pressure relief board (2603), the bottom fixedly connected with sound production fan housing (2605) of safety pipe (2602).

6. A roots blower of improved construction as set forth in claim 5, wherein: the safety pipe (2602) is characterized in that a plurality of vent holes are formed in the centers of the top and the bottom of the inner wall of the safety pipe (2602), and a plurality of pressure relief holes are formed in the edge of the top of the pressure relief plate (2603).

7. A roots blower of improved construction as set forth in claim 5, wherein: the outer wall of the sounding wind cover (2605) is provided with a plurality of sounding holes.

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