CN215409343U

CN215409343U - Low-noise spiral impeller Roots blower

Info

Publication number: CN215409343U
Application number: CN202121850113.2U
Authority: CN
Inventors: 林郁伦
Original assignee: Wuxi Longtie Machinery Manufacturing Co ltd
Current assignee: Wuxi Longtie Machinery Manufacturing Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-04
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a low-noise spiral impeller Roots blower, which comprises a base plate, a casing and support frames, wherein the support frames are fixed on two sides of the top end of the base plate, the casing is hinged to the inner side of each support frame, the support frames and the casing are of an integrated structure, a cover is fixed at one end of the casing, a motor rear cover is fixed at the other end of the casing, a motor, a shell and motor blades are arranged on the inner side of the motor rear cover, the motor blades are fixedly connected with the motor, and the motor blades are positioned on the outer side of the motor. Through the integrated structure design of hush pipe, amortization sponge and hush net, can inhale sound and amortization processing to extremely strong vortex noise that high-pressure gas produced, improve the device practicality, articulated design between telescopic link and the spring through the pulling force of telescopic link and spring, can alleviate the vibration that the air-blower produced in the use, improve device shock attenuation effect.

Description

Low-noise spiral impeller Roots blower

Technical Field

The utility model relates to the technical field of blowers, in particular to a low-noise spiral impeller Roots blower.

Background

The Roots blower belongs to a positive displacement blower, the end face of an impeller, the front end cover and the rear end cover of the blower, as a typical gas supercharging and conveying machine, widely applied to the industries of building materials, electric power, smelting, mines, aquaculture, sewage treatment, chemical engineering and the like, is one of the positive displacement blowers, two three-blade impellers relatively rotate in a space sealed by a shell and a wall plate, because each impeller adopts an involute or an envelope curve of an epicycloid, three blades of each impeller are completely the same, and simultaneously two impellers are also completely the same, the processing difficulty is greatly reduced, numerical control equipment is adopted during processing of the impellers, a certain minimum gap can be kept when the center distance of the two impellers is unchanged, no matter where the two impellers rotate, the gas leakage is ensured within an allowable range, the principle is a rotary compressor which compresses and conveys the 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 like.

However, there are still problems with the screw-type impeller roots blower devices during installation and use:

1. the traditional screw impeller Roots blower device has the advantages of single design and simple structure, and the high-pressure gas flows back into the elementary volume instantly to cause extremely strong vortex disturbance, extremely strong flow velocity and extremely strong energy, so that the generated noise is extremely strong, and the noise is harmful to the human body, thereby limiting the application range of the Roots blower;

2. traditional screw-tupe impeller roots blower device, long-time use strikes to the base that bears the air-blower easily and produces a large amount of vibrations, uses the clearance to have certain limitation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a low-noise spiral impeller Roots blower, which solves the problems that the traditional spiral impeller Roots blower device is single in design and simple in structure, high-pressure gas enters the elementary volume in an instant backflow mode to cause extremely strong vortex disturbance, the flow rate is extremely high, the energy is extremely high, the noise is harmful to a human body, the application range of the Roots blower is limited, the Roots blower is used for a long time, a base bearing the blower is easy to generate a large amount of vibration due to impact, and the use and the cleaning have certain limitations.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a low noise screw-tupe impeller roots blower, includes base plate, casing and support frame, base plate top both sides are fixed with the support frame, the inboard articulated casing that has of support frame, the support frame is integral structure with the casing, casing one end is fixed with the cover, the casing other end is inherent to be decided there is the motor back shroud, motor back shroud inboard is equipped with motor, casing and motor flabellum, motor flabellum and motor fixed connection, the motor flabellum is located the motor outside, the motor is located inside the casing, motor side end is fixed with pivot and bearing, pivot and bearing fixed connection, bearing side fixedly connected with impeller, impeller outside fixedly connected with cover.

Preferably, a silencing pipe is fixed at the bottom end of the motor, a silencing sponge is fixed inside the silencing pipe, and a silencing net is fixed inside the silencing sponge.

Preferably, the top end of the substrate is provided with a fixing bolt and a screw hole, and the fixing bolt is consistent with the screw hole embedding structure and corresponds to the screw hole embedding structure in position.

Preferably, a fixed block is fixed inside the substrate, a screw hole is fixed at the top end of the fixed block, and the fixed blocks are the same in size and located at four corners inside the substrate.

Preferably, the base plate is internally fixed with a telescopic rod, the outer side of the telescopic rod is hinged with a spring, the telescopic rods are the same in size, are distributed in the base plate according to transverse arrangement, and correspond to the support frame in position.

Preferably, the support frames are the same in size and distributed on two sides of the bottom end of the machine shell in an L shape.

Preferably, the casing, the cover and the motor rear cover are of an integrated structure.

(III) advantageous effects

1. The integral structure design among the silencing pipe, the silencing sponge and the silencing net can absorb and silence extremely strong eddy noise generated by high-pressure gas, effectively reduce the harmful influence of the noise on a human body and improve the practicability of the device;

2. the gomphosis structural design between fixing bolt, fixed block and the screw can increase the stability between base plate and the casing, and articulated design between telescopic link and the spring simultaneously through the pulling force of telescopic link and spring, can alleviate the vibration that the air-blower produced in the use, improves device shock attenuation effect.

Drawings

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

FIG. 2 is a schematic overall rear view configuration of the present invention;

FIG. 3 is a schematic view of the internal structure of the housing of the present invention;

FIG. 4 is a schematic view of the muffler pipe according to the present invention;

FIG. 5 is a schematic view of the internal structure of the substrate according to the present invention.

In the figure, 1-a base plate, 2-a machine shell, 3-a support frame, 4-a machine cover, 5-a fixing bolt, 6-a screw hole, 7-a motor rear cover, 8-a motor fan blade, 9-a motor, 10-a silencing pipe, 11-a rotating shaft, 12-a shell, 13-a bearing, 14-an impeller, 15-a silencing sponge, 16-a silencing net, 17-a fixing block, 18-a telescopic rod and 19-a spring.

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. 1-5, an embodiment of the present invention provides a technical solution: the utility model provides a low noise screw-tupe impeller roots blower, includes base plate 1, casing 2 and support frame 3, 1 top both sides of base plate are fixed with

support frame

3, 3 inboard hinges of support frame have casing 2, support frame 3 is the integral structure with

casing

2, 2 one end of casing is fixed with

cover

4, 2 other ends of casing are inherent to be decided

motor back shroud

7, 7 inboard motor 9, casing 12 and motor flabellum 8 of being equipped with of motor back shroud, motor flabellum 8 and motor 9 fixed connection, motor flabellum 8 is located the motor 9 outside, motor 9 is located inside casing 12, motor 9 side is fixed with pivot 11 and bearing 13, pivot 11 and bearing 13 fixed connection, bearing 13 side fixedly connected with impeller 14, impeller 14 outside fixedly connected with cover.

A silencing pipe 10 is fixed at the bottom end of the motor 9, a silencing sponge 15 is fixed inside the silencing pipe 10, and a silencing net 16 is fixed inside the silencing sponge 15. Through the good amortization performance of amortization sponge 15 and amortization net 16, can alleviate the noise and the vibration that produce in the air-blower use, improve the device practicality.

The top end of the base plate 1 is provided with a fixing bolt 5 and a screw hole 6, and the fixing bolt 5 is consistent with the embedded structure of the screw hole 6 and corresponds to the position. The fitting structure between the fixing bolt 5 and the screw hole 6 ensures the consistency and the correspondence of the structure, and realizes the fixation of the substrate 1.

The fixing block 17 is fixed inside the substrate 1, the screw holes 6 are fixed at the top end of the fixing block 17, and the fixing blocks 17 are identical in size and located at four corners inside the substrate 1. The fixed blocks 17 with the same size can realize the stability of the substrate 1 and the casing 2, and improve the integrity of the device.

The utility model discloses a support frame, including base plate 1, base plate 18, spring 19 are articulated to the base plate 18 outside, the telescopic link 18 size is the same, distributes in base plate 1 inside according to transverse arrangement, and corresponds with support frame 3 position. Through the articulated connected mode between telescopic link 18 and the spring 19, can reduce the vibration in the device use, improve device shock attenuation effect.

The supporting frames 3 are same in size and distributed on two sides of the bottom end of the casing 2 in an L shape. The same size of support frame 3 can guarantee the stability of casing 2, improves device stability.

The casing 2, the cover 4 and the motor rear cover 7 are of an integrated structure. Through the integrated structure between casing 2, cover 4 and the motor rear cover 7, can improve the stability of air-blower, improve device practicality and wholeness.

The working principle is as follows: use this a during low noise screw-tupe impeller roots blower, with 5 gomphosis of fixing bolt to in the screw 6, fix base plate 1, open motor 9, motor 9 one end drives motor flabellum 8 and carries out work, the motor 9 other end drives bearing 13 rotation through pivot 11, bearing 13 cup joints impeller 14, open the blower operation through impeller 14, simultaneously the blower is during the extremely strong noise that produces in the extremely strong vortex that high-pressure gas produced, amortization sponge 15 and amortization net 16 can be through inhaling sound and noise cancelling treatment to motor 9, the vibration that the in-process produced, spring 13 that can pass through telescopic link 18 and side alleviates, improve device shock attenuation and noise cancelling effect.

The utility model comprises a base plate 1, a machine shell 2, a support frame 3, a machine cover 4, a fixing bolt 5, a screw hole 6, a motor rear cover 7, a motor blade 8, a motor 9, a silencing pipe 10, a rotating shaft 11, a shell 12, a bearing 13, an impeller 14, a silencing sponge 15, a silencing net 16, a fixed block 17, a telescopic rod 18 and a spring 19, wherein the components are all universal standard components or components known by technicians in the field, and the structure and the principle of the components can be known by technical manuals or conventional experimental methods, the utility model solves the problems that the traditional spiral impeller blower device has single design and simple structure, extremely strong vortex disturbance is caused because high-pressure gas flows back into the volume of elements instantly, the flow rate is extremely high, the energy is extremely high, the noise is harmful to the human body, and the application range of the Roots blower is limited, the integrated structure design among the hush pipe, hush sponge and hush net, can absorb sound and hush the extremely strong eddy noise that high-pressure gas produced, effectively alleviate the harmful influence that the noise produced to the human body, improve the device practicality, the chimeric structure design between fixing bolt, fixed block and the screw, can increase the stability between base plate and the casing, the articulated design between telescopic link and the spring simultaneously, through the pulling force of telescopic link and spring, can alleviate the vibration that the air-blower produced in the use, improve the device shock attenuation effect.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a low noise screw-type impeller roots blower which characterized in that: the novel LED lamp comprises a base plate (1), a casing (2) and supporting frames (3), wherein the supporting frames (3) are fixed on two sides of the top end of the base plate (1), the casing (2) is hinged to the inner side of each supporting frame (3), and the supporting frames (3) and the casing (2) are of an integrated structure;

casing (2) one end is fixed with cover (4), casing (2) other end is fixed with motor rear cover (7), motor rear cover (7) inboard is equipped with motor (9), casing (12) and motor flabellum (8), motor flabellum (8) and motor (9) fixed connection, motor flabellum (8) are located the motor (9) outside, motor (9) are located inside casing (12), motor (9) side is fixed with pivot (11) and bearing (13), pivot (11) and bearing (13) fixed connection, bearing (13) side fixedly connected with impeller (14), impeller (14) outside fixedly connected with cover.

2. A low noise helical impeller roots blower as set forth in claim 1 wherein: the bottom end of the motor (9) is fixed with a silencing pipe (10), a silencing sponge (15) is fixed inside the silencing pipe (10), and a silencing net (16) is fixed inside the silencing sponge (15).

3. A low noise helical impeller roots blower as set forth in claim 1 wherein: the base plate (1) top is equipped with fixing bolt (5) and screw (6), fixing bolt (5) are unanimous with screw (6) gomphosis structure, and the position corresponds.

4. A low noise helical impeller roots blower as set forth in claim 1 wherein: the novel LED lamp is characterized in that a fixing block (17) is fixed inside the base plate (1), a screw hole (6) is fixed at the top end of the fixing block (17), the fixing block (17) is identical in size and located at four corners inside the base plate (1).

5. A low noise helical impeller roots blower as set forth in claim 1 wherein: the base plate (1) is internally fixed with a telescopic rod (18), the outer side of the telescopic rod (18) is hinged with a spring (19), the telescopic rods (18) are the same in size, are distributed inside the base plate (1) according to transverse arrangement and correspond to the support frame (3) in position.

6. A low noise helical impeller roots blower as set forth in claim 1 wherein: the supporting frames (3) are the same in size and distributed on two sides of the bottom end of the casing (2) in an L shape.

7. A low noise helical impeller roots blower as set forth in claim 1 wherein: the machine shell (2), the machine cover (4) and the motor rear cover (7) are of an integrated structure.