CN216975234U

CN216975234U - Roots blower with double circular arc-shaped impellers

Info

Publication number: CN216975234U
Application number: CN202122141905.9U
Authority: CN
Inventors: 林郁伦
Original assignee: Wuxi Longtie Machinery Manufacturing Co ltd
Current assignee: Wuxi Longtie Machinery Manufacturing Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-07-15
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a Roots blower with double circular arc-shaped impellers, which comprises a fixed seat, an elastic plate, a motor, a fixed frame, a rotating shaft, a machine body and a fixed sleeve, wherein the motor is installed on the fixed seat, the output end of the motor is connected with the rotating shaft, a cross sleeve is installed at the side end of the rotating shaft, the machine body is installed on the fixed seat, a disc is fixed at the side end of the machine body, a cross groove is embedded in the disc, the side end of the disc is connected with the cross sleeve, the fixed sleeve is arranged at the outer side of the joint of the disc and the cross sleeve, the fixed frame is installed at the outer side of the rotating shaft, an inlet silencer is installed at the upper end of the machine body, and an air outlet is formed in the bottom of the machine body. This roots blower of two convex impellers can regularly maintain the organism as required, easy to assemble and dismantlement, and the leakproofness is higher, can also play better shock attenuation effect, avoids damaging inside spare part at the use, increases the service life of air-blower.

Description

Roots blower with double circular arc-shaped impellers

Technical Field

The utility model relates to the technical field of blowers, in particular to a Roots blower with double circular arc impellers.

Background

The Roots blower is a positive displacement blower which delivers gas by means of the change in the volume of working chamber formed by the rotation of two rotors in the form of 8' with involute profile, and its working principle is identical to that of a gear pump, i.e. each rotor is equivalent to a gear with only two teeth. The roots blower is divided into a two-lobe type and a three-lobe type according to the shape of a rotor. The three-blade rotor is used for sucking and exhausting air for three times by two rotors every time the three-blade rotor rotates.

The existing Roots blower with double circular arc impellers on the market has the following problems:

1, most of the existing Roots blowers with double circular arc impellers have complicated structures, need to be maintained regularly in the use process, and are inconvenient to dismantle and maintain later due to high sealing requirements of workers;

2 the roots blower with the existing double-arc impeller mostly is a machine running at high speed, can vibrate when in use, can influence the service life of the roots blower due to long-term vibration, and has certain limitation when in use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the Roots blower with the double-circular-arc-shaped impeller, which solves the problems that most of the existing Roots blowers with the double-circular-arc-shaped impeller on the market are complex in structure and need to be maintained regularly in the using process, and the sealing requirement is high, so that a worker is troublesome to disassemble and inconvenient to maintain at the later stage; most of the existing Roots blowers with double circular arc impellers are machines which operate at high speed, and can vibrate in use, so that the long-term vibration can influence the service life of the Roots blower, and the problem of certain limitation exists in use.

(II) technical scheme

In order to realize the purpose, the utility model is realized by the following technical scheme: the Roots blower with the double-circular-arc-shaped impeller comprises a fixing seat, an elastic plate, a motor, a fixing frame, a rotating shaft, a machine body and a fixing sleeve, wherein the motor is installed on the fixing seat, the output end of the motor is connected with the rotating shaft, a cross sleeve is installed at the side end of the rotating shaft, the machine body is installed on the fixing seat, a disc is fixed at the side end of the machine body, a cross groove is embedded in the disc, the side end of the disc is connected with the cross sleeve, the fixing sleeve is arranged on the outer side of the joint of the disc and the cross sleeve, the fixing frame is installed on the outer side of the rotating shaft, an inlet silencer is installed at the upper end of the machine body, an air outlet is formed in the bottom of the machine body, and the elastic plate is installed at the bottom of the fixing seat.

Preferably, the disc is fixedly connected with the machine body, and a convex part on the rotating shaft is embedded in the cross-shaped groove.

Preferably, be equipped with the multiunit recess on the elastic plate, the multiunit install the multiunit fixed block in the recess, the multiunit compression spring is installed to the upper end of fixed block.

Preferably, the fixing sleeve is provided with two groups of transverse plates, screw holes are formed in the two groups of transverse plates, bolts are embedded in the screw holes and connected through the bolts, and rubber rings are arranged at the upper ends of the transverse plates.

Preferably, the rotating shaft is embedded in a cross sleeve, a cross bulge is arranged at the side end of the rotating shaft, and the cross sleeve and the disc are the same in size.

Preferably, the bottom of the fixing seat is fixedly connected with the top end of the compression spring, and the fixing seat is connected with the elastic plate through the compression spring.

(III) advantageous effects

The utility model provides a Roots blower with double circular arc impellers. The method has the following beneficial effects:

(1) the Roots blower with the double-arc-shaped impeller has the advantages that the machine body can be regularly maintained as required through the cross sleeve, the cross groove, the disc and the fixed sleeve, the structure is simple, the sealing performance is high, the installation and the disassembly of workers are facilitated, and the later maintenance of the blower is facilitated;

(2) this roots blower of two convex impellers, through increasing recess, fixed block, compression spring and elastic plate, can play better shock attenuation effect, avoid damaging inside spare part at the use, increase the service life of air-blower, it is comparatively convenient when using.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic structural view of a disk of the present invention;

FIG. 3 is a schematic structural view of the cross-shaped sleeve of the present invention;

FIG. 4 is a schematic view of the structure of the elastic plate of the present invention;

fig. 5 is a schematic structural view of the fixing cover of the present invention.

In the figure, a fixed seat-1, an elastic plate-2, a motor-3, a fixed frame-4, a rotating shaft-5, a machine body-6, a fixed sleeve-7, an inlet silencer-8, an air outlet-9, a transverse plate-10, a disc-11, a cross groove-12, a bolt-13, a cross sleeve-14, a groove-15, a fixed block-16, a compression spring-17, a rubber ring-18 and a screw hole-19.

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 utility model provides a technical solution: the Roots blower with the double-arc-shaped impeller comprises a fixed seat 1, an elastic plate 2, a motor 3, a fixed frame 4, a rotating shaft 5, a machine body 6 and a fixed sleeve 7, wherein the motor 3 is installed on the fixed seat 1, the output end of the motor 3 is connected with the rotating shaft 5, a cross sleeve 14 is installed at the side end of the rotating shaft 5, the machine body 6 is installed on the fixed seat 1, a disc 11 is fixed at the side end of the machine body 6, a cross groove 12 is embedded in the disc 11, the side end of the disc 11 is connected with the cross sleeve 14, the fixed sleeve 7 is arranged on the outer side of the joint of the disc 11 and the cross sleeve 14, the fixed frame 4 is installed on the outer side of the rotating shaft 5, an inlet silencer 8 is installed at the upper end of the machine body 6, an air outlet 9 is formed in the bottom of the machine body 6, and the elastic plate 2 is installed at the bottom of the fixed seat 1.

The disc 11 is fixedly connected with the machine body 6, and the convex part on the rotating shaft 5 is embedded in the cross-shaped groove 12.

Disc

11 and 6 fixed connection of organism, cross recess 12 gomphosis in disc 11, the last bulge gomphosis of pivot 5 is in cross recess 12, conveniently dismantles between organism 6 and the pivot 5, makes things convenient for the later stage to the maintenance of organism 6.

Be equipped with multiunit recess 15 on the elastic plate 2, the multiunit install multiunit fixed block 16 in the recess 15, the multiunit compression spring 17 is installed to the upper end of fixed block 16. The elastic plate 2 is provided with a groove 15, the groove 15 can limit the fixed block 16 and the compression spring 17, and meanwhile, the elasticity of the spring can be utilized to achieve the damping effect.

Two groups of transverse plates 10 are installed on the fixing sleeve 7, screw holes 19 are formed in the transverse plates 10, bolts 13 are embedded in the screw holes 19, the transverse plates 10 are connected through the bolts 13, and rubber rings 18 are arranged at the upper ends of the transverse plates 10. The fixing sleeve 7 is additionally arranged on the outer side of the joint of the cross sleeve 14 and the disc 11, so that the cross sleeve 14 and the disc 11 can be fixed, and the sliding in the operation process is avoided.

The rotating shaft 5 is embedded in a cross sleeve 14, a cross bulge is arranged at the side end of the rotating shaft 5, and the size of the cross sleeve 14 is the same as that of the disc 11. The rotating shaft 5 is embedded in the cross sleeve 14, the size of the cross sleeve 14 is the same as that of the disc 11, the cross sleeve 14 and the outer side of the disc 11 are fixed conveniently, and looseness in the rotating process is avoided.

The bottom of fixing base 1 and compression spring 17's top fixed connection, be connected through compression spring 17 between fixing base 1 and the elastic plate 2. The bottom of fixing base 1 and compression spring 17's top fixed connection, through fixing base 1 and compression spring 17's cooperation, can play the effect of protection to the spare part on the base 1, avoid the spare part shake for a long time and take place not hard up.

The working principle is as follows: when the Roots blower with the double-circular-arc-shaped impeller is used, the motor 3 is installed on the fixed seat 1, the output end of the motor 3 is connected with the rotating shaft 5, the side end of the rotating shaft 5 is provided with the cross sleeve 14, the machine body 6 is installed on the fixed seat 1, the side end of the machine body 6 is fixedly provided with the disc 11, the cross groove 12 is embedded in the disc 11, the side end of the disc 11 is connected with the cross sleeve 14, the machine body 6 is convenient to install and detach and the machine body 6 is convenient to maintain through the connection between the cross groove 12 in the disc 11 and the rotating shaft 5 in the cross sleeve 14, the outer side of the joint of the disc 11 and the cross sleeve 14 is provided with the fixed sleeve 7, the fixed sleeve 7 is provided with the two groups of transverse plates 10, the two groups of transverse plates 10 are fixed through the bolts 13, a better fixing effect can be achieved, the stability is increased, the elastic plate 2 is installed at the bottom of the fixed seat 1, the grooves 15 are arranged on the elastic plate 2, the groove 15 can limit the fixed block 16 and the compression spring 17, the elasticity of the springs can be utilized to play a damping effect, and the damage to parts and the influence on the service life are avoided.

The utility model relates to a fixed seat 1, an elastic plate 2, a motor 3, a fixed frame 4, a rotating shaft 5, a machine body 6, a fixed sleeve 7, an inlet silencer 8, an air outlet 9, a transverse plate 10, a disc 11, a cross groove 12, a bolt 13, a cross sleeve 14, a groove 15, a fixed block 16, a compression spring 17, a rubber ring 18 and a screw hole 19, wherein the parts are all universal standard parts or parts known by technicians in the field; most of the existing Roots blowers with double circular arc impellers run at high speed, and can vibrate during use, the service life of the Roots blower can be influenced by long-term vibration, and the Roots blower has certain limitation during use; through increasing recess, fixed block, compression spring and elastic plate, can play better shock attenuation effect, avoid damaging inside spare part at the use, increase the service life of air-blower, it is comparatively convenient when using.

While there have been shown and described what are at present considered to be the basic principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative 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 specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a roots blower of two convex impeller which characterized in that: including fixing base (1), elastic plate (2), motor (3), mount (4), pivot (5), organism (6) and fixed cover (7), install motor (3) on fixing base (1), pivot (5) are connected to the output of motor (3), cross cover (14) are installed to the side of pivot (5), install organism (6) on fixing base (1), the side of organism (6) is fixed with disc (11), the gomphosis has cross recess (12) in disc (11), the side and the cross cover (14) of disc (11) are connected, the outside of disc (11) and cross cover (14) junction is equipped with fixed cover (7), mount (4) are installed in the outside of pivot (5), organism import muffler (8) are installed to the upper end of organism (6), the bottom of organism (6) is equipped with air outlet (9), an elastic plate (2) is installed at the bottom of the fixed seat (1).

2. The roots blower with double circular arc impeller as claimed in claim 1, wherein: the disc (11) is fixedly connected with the machine body (6), and the convex part on the rotating shaft (5) is embedded in the cross-shaped groove (12).

3. The roots blower with double circular arc impeller as claimed in claim 1, wherein: be equipped with multiunit recess (15) on elastic plate (2), the multiunit install multiunit fixed block (16) in recess (15), multiunit compression spring (17) are installed to the upper end of fixed block (16).

4. The roots blower with double circular arc impeller as claimed in claim 1, wherein: the fixed cover (7) is provided with two sets of transverse plates (10), the transverse plates (10) are provided with screw holes (19), the screw holes (19) are internally embedded with bolts (13), the transverse plates (10) are connected through the bolts (13), and the upper ends of the transverse plates (10) are provided with rubber rings (18).

5. The roots blower with double circular arc impeller as claimed in claim 1, wherein: the rotating shaft (5) is embedded in the cross sleeve (14), a cross protrusion is arranged at the side end of the rotating shaft (5), and the cross sleeve (14) and the disc (11) are the same in size.

6. A double circular arc impeller roots blower as set forth in claim 1, wherein: the bottom of fixing base (1) and compression spring (17)'s top fixed connection, be connected through compression spring (17) between fixing base (1) and elastic plate (2).