CN211230825U

CN211230825U - Noise-reducing and shock-absorbing screw air blower

Info

Publication number: CN211230825U
Application number: CN202020039874.9U
Authority: CN
Inventors: 陶菊
Original assignee: Krupp Fluid Machinery Wuhan Co ltd
Current assignee: Krupp Fluid Machinery Wuhan Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-08-11
Anticipated expiration: 2030-01-08

Abstract

The utility model relates to a shock attenuation formula screw air-blower of making an uproar falls, including quick-witted case, support, shock absorber, motor, shaft coupling, screw rod host computer, filter and exhaust muffler, the support is fixed to be set up quick-witted incasement, the motor the shock absorber and the screw rod host computer is all fixed to be set up on the support, the motor with the screw rod host computer passes through shaft coupling interconnect, the filter intercommunication the air intake of screw rod host computer, the air outlet of screw rod host computer with the air intake of exhaust muffler communicates each other, the air outlet intercommunication of exhaust muffler outside the machine case, exhaust muffler internal fixation is equipped with the ripple, still fixed annular ladder baffle that is equipped with in the exhaust muffler adopts this kind of air-blower, reaches the purpose that noiselessness used stably.

Description

Noise-reducing and shock-absorbing screw air blower

Technical Field

The utility model relates to an air-blower field, concretely relates to shock attenuation formula screw air-blower of making an uproar falls.

Background

The oil-free screw air blower that appears in the existing market adopts ordinary inverter motor mostly, and this kind of inverter motor efficiency is lower, and generally has two kinds of forms on transmission: the utility model provides a there is the transmission of coupler, including belt drive, gear drive as leading, another kind adopts the integral type transmission mode of no shaft coupling, no matter what kind of mode carries out the transmission, all can have the problem of a large amount of noises when using to the vibration is great, influences the experience sense of using, for this reason, the urgent need solve current problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a damping screw air-blower of making an uproar falls reaches the purpose that the noiselessness was stably used.

In order to achieve the above object, the utility model relates to a shock attenuation formula screw blower of making an uproar falls, including quick-witted case, support, shock absorber, motor, shaft coupling, screw rod host computer, filter and exhaust muffler, the support is fixed to be set up quick-witted incasement, the motor the shock absorber and the screw rod host computer is all fixed to be set up on the support, the motor with the screw rod host computer passes through shaft coupling interconnect, the filter intercommunication the air intake of screw rod host computer, the air outlet of screw rod host computer with the air intake of exhaust muffler communicates each other, the air outlet intercommunication of exhaust muffler outside the machine case, exhaust muffler internal fixation is equipped with the ripple, still the fixed annular ladder baffle that is equipped with in the exhaust muffler.

Further, the filter is a glass fiber filter paper filter.

Further, a safety valve is arranged in the exhaust silencer.

Further, a check valve is arranged in the exhaust silencer.

Furthermore, the case is provided with a through hole, and a fan is arranged in the through hole.

Compared with the prior art, the utility model, its beneficial effect is:

the filter is arranged to filter impurities in air, the screw host is protected, meanwhile, the air suction noise of air is reduced, the motor provides a power source for the screw host, the screw host compresses gas in an internal compression mode, the efficiency is higher, energy is more saved, the ripple is arranged to resist high temperature, and meanwhile, the vibration and buffering effects are achieved on the screw host, the annular step baffle is arranged to perform noise elimination treatment on gas discharged after the screw host is compressed, smooth discharge of airflow is enabled, interference and damage to people are reduced, the vibration absorber arranged on the support is arranged to relieve impact of the motor and the vibration of the screw host on the ground, vibration generated by the motor and the vibration of the screw host is rapidly absorbed, equipment is enabled to be instantly restored to a normal working state, and the case covers the blower completely to achieve the effects of facilitating transportation and installation;

in conclusion, the purpose of noiseless stable use can be achieved by adopting the blower.

Drawings

Fig. 1 is a schematic view of the noise-reducing and shock-absorbing screw blower of the present invention.

In the figure: 1. a chassis; 11. a through hole; 2. a support; 3. a shock absorber; 4. a motor; 5. a coupling; 6. a screw main machine; 7. a filter; 8. an exhaust muffler; 81. corrugation; 82. an annular step baffle; 83. a safety valve; 84. a check valve; 9. a fan.

Detailed Description

In order to explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following embodiments are described in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the invention.

Referring to fig. 1, the present invention provides an embodiment:

the utility model provides a screw blower with noise reduction and shock absorption, which comprises a case 1, a bracket 2, a shock absorber 3, a motor 4, a coupling 5, a screw host 6, a filter 7 and an exhaust silencer 8, the bracket 2 is fixedly arranged in the case 1, the motor 4, the vibration absorber 3 and the screw rod main machine 6 are all fixedly arranged on the bracket 2, the motor 4 and the screw rod main machine 6 are mutually connected through the coupler 5, the filter 7 is communicated with an air inlet of the screw rod main machine 6, the air outlet of the screw rod host 6 is communicated with the air inlet of the exhaust silencer 8, the air outlet of the exhaust silencer 8 is communicated with the outside of the case 1, the exhaust silencer 8 is internally and fixedly provided with corrugations 81, and the exhaust silencer 8 is internally and fixedly provided with an annular step baffle 82.

The filter 7 is arranged to filter impurities in air, the screw rod host machine 6 is protected, air suction noise of air inlet is reduced, the motor 4 provides a power source for the screw rod host machine 6, the screw rod host machine 6 compresses air in an internal compression mode, efficiency is higher, energy is saved, the corrugation 81 is arranged to resist high temperature, meanwhile, the shock absorption and buffering effects are achieved on the screw main machine 6, the annular step baffle 82 is arranged to perform noise elimination treatment on gas discharged after the screw main machine 6 is compressed, smooth discharge of the gas flow is enabled, interference and damage to people are reduced, the shock absorber 3 arranged on the support 2 is used for relieving impact on the ground caused by vibration of the motor 4 and the screw main machine 6, shock generated by the motor 4 and the screw main machine 6 is absorbed rapidly, the equipment is enabled to recover to a normal working state instantly, and the case 1 covers the whole blower to achieve the effects of facilitating transportation and installation;

in conclusion, the blower can achieve the purpose of noiseless and stable use;

the working principle is as follows: air enters the screw rod host machine 6 through the filter 7, the screw rod host machine 6 drives the screw rod host machine 6 to compress the air under the transmission of the motor 4 through the coupler 5, and the compressed air is discharged out of the case 1 through the exhaust silencer 8.

Further, the filter 7 is a glass fiber filter paper filter.

Further, a safety valve 83 is provided in the exhaust muffler 8.

And is installed in the exhaust muffler 8, and when the exhaust pressure exceeds the design pressure, the safety valve 83 is opened to protect the blower.

Further, a check valve 84 is provided in the exhaust muffler 8.

When the screw main machine 6 is stopped, the exhaust silencer 8 is closed, pressure backflow is prevented, and impurities brought back by the backflow gas damage the screw main machine 6.

Further, the case 1 is provided with a through hole 11, and a fan 9 is arranged in the through hole 11.

The fan 9 is fixed on the reinforcing ribs of the case 1 by detachable screws through a four-corner fixing frame and is installed on the upper side of the case 1 to discharge heat generated by the blower inside the case 1 to the outside of the case 1.

Claims

1. The utility model provides a damping screw blower that makes an uproar falls which characterized in that: comprises a case (1), a bracket (2), a vibration absorber (3), a motor (4), a coupling (5), a screw main machine (6), a filter (7) and an exhaust silencer (8), the bracket (2) is fixedly arranged in the case (1), the motor (4), the vibration absorber (3) and the screw rod host (6) are all fixedly arranged on the bracket (2), the motor (4) and the screw rod main machine (6) are connected with each other through the coupler (5), the filter (7) is communicated with the air inlet of the screw rod host (6), the air outlet of the screw rod host (6) is communicated with the air inlet of the exhaust silencer (8), the air outlet of the exhaust silencer (8) is communicated with the outside of the case (1), the exhaust silencer (8) is internally fixedly provided with corrugations (81), and the exhaust silencer (8) is internally further fixedly provided with an annular step baffle (82).

2. The noise-reducing and shock-absorbing screw blower according to claim 1, wherein: the filter (7) is a glass fiber filter paper filter.

3. The noise-reducing and shock-absorbing screw blower according to claim 1, wherein: a safety valve (83) is arranged in the exhaust silencer (8).

4. The noise-reducing and shock-absorbing screw blower according to claim 1, wherein: a check valve (84) is arranged in the exhaust silencer (8).

5. The noise-reducing and shock-absorbing screw blower according to claim 1, wherein: a through hole (11) is formed in the case (1), and a fan (9) is arranged in the through hole (11).