CN2542850Y - Noise-reducing vibration-proof thin multi-layer casing - Google Patents

Noise-reducing vibration-proof thin multi-layer casing Download PDF

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Publication number
CN2542850Y
CN2542850Y CN 02233176 CN02233176U CN2542850Y CN 2542850 Y CN2542850 Y CN 2542850Y CN 02233176 CN02233176 CN 02233176 CN 02233176 U CN02233176 U CN 02233176U CN 2542850 Y CN2542850 Y CN 2542850Y
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CN
China
Prior art keywords
thin type
shell
thin
housing
casing
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Expired - Fee Related
Application number
CN 02233176
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Chinese (zh)
Inventor
王太勇
尚志武
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Tianjin University
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Tianjin University
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Priority to CN 02233176 priority Critical patent/CN2542850Y/en
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Publication of CN2542850Y publication Critical patent/CN2542850Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The reducing noise and vibration proof thin multi layer casing of the utility model consists of a plurality of layers of casings, wherein a thin inner shell body is arranged in a thin outer shell body, the shell body consists of two layers thin shell body or three layers thin shell body, a thin medium shell body is arranged between the thin outer shell body and the thin outer shell body and a casing type of a refrigeration compressor can be formed by the thin multi layer casing. The technology proposal adopted by the utility model, the multi layer shell body adopts shrink fit process installation, inside and outside of the multi layer thin plate use a composition plane damping structure or dry friction damping structure to increase the damping of the shell body and through shell structure improvement, reduction of noise and vibration are realized, so that the utility model has simple structure, small mechanical deformation and enhanced strength. Comparing with an external shell body of the single layer plate, noise is decreased by 15 to 25 percent, anti vibration effect is improved by 15 to 25 percent with higher practical value and significant economic and social benefits.

Description

A kind of noise abatement vibrationproof thin type multilayer casing
Technical field
The utility model belongs to the mechanical component class, relates in particular to the structure of thin type multilayer casing.
Background technique
At present, for the key equipment of industries such as refrigeration, automobile, machinery, electric power, such as refrigeration compressor, motor, speed-changing gear box, motor, dried pump etc., vibration and noise level are one of important indicators of equipment.The vibration noise of these key equipments is mainly gone out by cabinet radiation, therefore provides a kind of housing that can effectively reduce radiated noise and reduce to vibrate that crucial meaning is arranged.
Current, family expenses refrigeration compressor, and industrial small-sized air compressor etc., its external casing mostly adopts the single thin layer coiled sheet system of 2-5 millimeter, intermediate plate seam to make through welding.Use in the working procedure, the external casing of this individual layer thin plate with the vibration and the noise of equipment such as compressor, air compressor, is gone out by cabinet radiation usually, thereby causes great vibration and noise, brings environmental pollution.Especially during the work of compressor, air compressor, surface temperature is higher, reaches as high as 80-100 degree centigrade, and such high temperature will make the outside radiation intensity of casing higher vibration and noise.When serious, the plate seam resonance crackle of welding in the middle of higher vibration and noise can make damages housing construction, directly influences the normal use and the life-span of compressor, air compressor.
Summary of the invention
The purpose of this utility model provides a kind of noise abatement vibrationproof thin type multilayer casing, solves an above-mentioned difficult problem, to satisfy the environmental pollution that people reduce vibration and noise, improves the quality of products, and guarantees the needs of equipment proper functioning such as compressor, air compressor.
The purpose of this utility model is achieved in that a kind of noise abatement vibrationproof thin type multilayer casing, and it is that thin type multilayer casing is made of several layers of housing, is provided with the thin type inner housing in the thin type frame.
Thin type multilayer casing of the present utility model can be made of the thin type frame and the thin type inner housing of two laminars, is provided with the thin type inner housing in the thin type frame.Thin type multilayer casing also can be made of thin type frame, thin type middle shell and the thin type inner housing of three-layer type, is provided with the thin type middle shell between thin type frame and the thin type inner housing.Thin type multilayer casing also can be set to the casing formula of refrigeration compressor.
Because the utility model has adopted above technological scheme, thereby has simple structure, mechanically deformation is little, and intensity increases.Compare with the external casing of individual layer thin plate, noise reduces 15-25%, and vibration-isolating effect improves 20-30%, and intensity increases 15-25%.Thereby have higher utility and remarkable economical, a social benefit.
Description of drawings
Fig. 1 is the type shape structural representation of a kind of two layers of thin type housing of the present utility model;
Fig. 2 is the type shape structural representation of a kind of three layers of thin type housing of the present utility model.
1, thin type frame 2, thin type inner housing 3, thin type middle shell
Embodiment
Below in conjunction with accompanying drawing enforcement of the present utility model is done as detailed below:
In Fig. 1, noise abatement vibrationproof thin type multilayer casing is made of thin type frame 1 and thin type inner housing 2.Thin type frame 1 and thin type inner housing 2 be respectively by Sheet Steel Pipe or other material of 1-3 millimeters thick, adopts car, boring, hot rolling, colds pressing or other method is made separately.Thin type frame 1 and thin type inner housing 2 generally should be got the interference mode and closely cooperate, and the interference that the magnitude of interference of its thin type frame 1 internal diameter and thin type inner housing 2 external diameters generally is taken as the 0.03-0.1 millimeter is of a size of.The equipped making method that is laminated of thin type frame 1 and thin type inner housing 2 is as follows:
At first, thin type frame 1 is placed in the clamping ring that the external diameter with thin type frame 1 matches.The folder axle outside that then thin type inner housing 2 is placed the internal diameter with thin type inner housing 2 to match.Clamping ring and folder axle can be level or Vertical direction storing assembling.During assembling, will be equipped with the folder axle of thin type inner housing 2, place the clamping ring port of being furnished with thin type frame 1, adopt the press pressing equipped.When the thickness of thin type frame 1 and thin type inner housing 2 is big, can adopt the mode of heating, after thin type inner housing 2 is heated, will be equipped with the folder axle of thin type inner housing 2 again, place the clamping ring port of being furnished with thin type frame 1, equipped by the press pressing.
In Fig. 2, noise abatement vibrationproof thin type multilayer casing is made of three layers of thin type housing of thin type frame 1, thin type inner housing 2, thin type middle shell 3.
Thin type frame 1, thin type inner housing 2, thin type middle shell 3 respectively by the Sheet Steel Pipe of 1-3 millimeters thick, still adopt car, boring, hot rolling, cold pressing or other method is made separately.The cooperation each other of thin type frame 1, thin type inner housing 2, thin type middle shell 3 generally also should be got the interference mode and be closely cooperated; The magnitude of interference of its internal diameter, external diameter generally can be taken as the interference size of 0.03-0.1 millimeter.The equipped making method that is laminated of thin type frame 1, thin type inner housing 2, thin type middle shell 3 is as follows:
At first, thin type frame 1 is placed in the clamping ring that the external diameter with thin type frame 1 matches.The folder axle outside that then thin type middle shell 3 is placed the internal diameter with thin type middle shell 3 to match.Clamping ring and folder axle are still fetched water flat or Vertical direction is put assembling.During assembling, will be equipped with the folder axle of thin type middle shell 3, place the clamping ring port of being furnished with thin type frame 1, adopt the press pressing equipped.When the thickness of thin type frame 1 and thin type middle shell 3 is big, can adopt the mode of heating, after thin type middle shell 3 is heated, will be equipped with the folder axle of thin type middle shell 3 again, place the clamping ring port of being furnished with thin type frame 1, equipped by the press pressing.
Then, will thin type frame 1 place in the clamping ring that the external diameter with thin type frame 1 matches.Again thin type inner housing 2 is placed the folder axle outside that matches with thin type inner housing 2 internal diameters.Clamping ring and folder axle still are level or Vertical direction storing assembling.During assembling, be furnished with thin type frame 1 with being equipped with the folder axle of thin type inner housing 2, the placing clamping ring port of (and thin type middle shell 3) adopts the press pressing equipped.When thin type inner housing 2 thickness are big, can adopt the mode of heating, after thin type inner housing 2 is heated, will be equipped with the folder axle of thin type inner housing 2 again, place the be furnished with thin type frame 1 clamping ring port of (and thin type middle shell 3), equipped by the press pressing.
When adopting thin type multilayer casing of the present utility model to make the casing of refrigeration compressor, its casing device is in the outside of refrigeration compressor, owing to exist mating face damping or dry-friction damping between the thin type multilayer casing, mating face damping or dry-friction damping have temperature-insensitive, not volatilization in a vacuum, also has softening rigidity, eliminate standing wave, characteristics such as restriction power transmission, can change the damping of casing, thereby change the resonance peak of structure, and can reduce the radiated noise of solid-borne sound transmission and housing, thereby radiated noise and reduce vibration can significantly reduce refrigeration compressor work the time.
The utility model is assembled into the thin type multilayer casing of noise abatement vibrationproof with fit inside and outside the multi-layered sheet.Because the damping that utilizes inside and outside the multi-layered sheet mating face damping structure or dry damping structure to increase shell construction, thereby the improvement by shell construction has realized the noise abatement vibrationproof to equipment.
Owing to adopt hot cover process to install to bilayer or multilayer shell, concrete condition according to distinct device, the vibration noise level of distinct device, by setting to the housing number of plies, each layer thickness, magnitude of interference and from strengthen pressure, obtain reasonable parameter, preferable magnitude of interference is set, makes the stress level of each layer reach equal strength; And the optimum value of definite from strengthen pressure, it is minimum making housing maximum equivalent stress level behind the superposition of stress when work.Setting by to the housing number of plies, each layer thickness, magnitude of interference and from strengthen pressure has changed housing damping parameter and damping, thereby has reached the purpose of noise abatement vibrationproof.

Claims (5)

1. a noise abatement vibrationproof thin type multilayer casing is characterized in that thin type multilayer casing is made of several layers of housing, is provided with the thin type inner housing in the thin type frame.
2. a kind of noise abatement vibrationproof thin type multilayer casing according to claim 1 is characterized in that thin type multilayer casing is made of the thin type frame and the thin type inner housing of two laminars, is provided with the thin type inner housing in the thin type frame.
3. a kind of noise abatement vibrationproof thin type multilayer casing according to claim 1, it is characterized in that, thin type multilayer casing is made of thin type frame, thin type middle shell and the thin type inner housing of three-layer type, is provided with the thin type middle shell between thin type frame and the thin type inner housing.
4. according to claim 1 or 2,3 described a kind of noise abatement vibrationproof thin type multilayer casings, it is characterized in that, be provided with the interference size of 0.03-0.1 millimeter between the thin type multilayer casing.
5. according to claim 1 or 2,3 described a kind of noise abatement vibrationproof thin type multilayer casings, it is characterized in that thin type multilayer casing is set to the casing formula of refrigeration compressor.
CN 02233176 2002-04-26 2002-04-26 Noise-reducing vibration-proof thin multi-layer casing Expired - Fee Related CN2542850Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02233176 CN2542850Y (en) 2002-04-26 2002-04-26 Noise-reducing vibration-proof thin multi-layer casing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02233176 CN2542850Y (en) 2002-04-26 2002-04-26 Noise-reducing vibration-proof thin multi-layer casing

Publications (1)

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CN2542850Y true CN2542850Y (en) 2003-04-02

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100419262C (en) * 2005-11-25 2008-09-17 杨百昌 Fully-enclosed refrigerating compressor noise-reduction case and method for manufacturing same
CN106382211A (en) * 2016-10-31 2017-02-08 美的集团股份有限公司 Compressor, air-conditioner outdoor unit and air-conditioner
CN106382210A (en) * 2016-10-31 2017-02-08 美的集团股份有限公司 Compressor, air-conditioner outdoor unit and air-conditioner
CN107575362A (en) * 2017-11-08 2018-01-12 于浩 A kind of shell on compressor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100419262C (en) * 2005-11-25 2008-09-17 杨百昌 Fully-enclosed refrigerating compressor noise-reduction case and method for manufacturing same
CN106382211A (en) * 2016-10-31 2017-02-08 美的集团股份有限公司 Compressor, air-conditioner outdoor unit and air-conditioner
CN106382210A (en) * 2016-10-31 2017-02-08 美的集团股份有限公司 Compressor, air-conditioner outdoor unit and air-conditioner
CN107575362A (en) * 2017-11-08 2018-01-12 于浩 A kind of shell on compressor
CN107575362B (en) * 2017-11-08 2019-01-29 张素平 A kind of shell on compressor

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C19 Lapse of patent right due to non-payment of the annual fee
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