CN111706492B - Vibration reduction components, compressors and air conditioning systems - Google Patents
Vibration reduction components, compressors and air conditioning systems Download PDFInfo
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- CN111706492B CN111706492B CN202010633323.XA CN202010633323A CN111706492B CN 111706492 B CN111706492 B CN 111706492B CN 202010633323 A CN202010633323 A CN 202010633323A CN 111706492 B CN111706492 B CN 111706492B
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- vibration
- vibration reduction
- chassis
- reduction block
- groove
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0044—Pulsation and noise damping means with vibration damping supports
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/08—Compressors specially adapted for separate outdoor units
- F24F1/12—Vibration or noise prevention thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
- Compressor (AREA)
Abstract
本申请提供一种减振组件、压缩机和空调系统。该减振组件包括底盘、减振块和紧固件，所述紧固件一端经所述减振块设在所述底盘上；所述减振块能减弱所述底盘和所述紧固件之间的振动传递。紧固件与底盘之间设置减振块，可以保证两者之间振动经减振块能完全衰减掉，避免异常噪音的产生。
The present application provides a vibration reduction assembly, a compressor and an air conditioning system. The vibration reduction assembly includes a chassis, a vibration reduction block and a fastener, one end of the fastener is arranged on the chassis through the vibration reduction block; the vibration reduction block can reduce the vibration transmission between the chassis and the fastener. The vibration reduction block is arranged between the fastener and the chassis to ensure that the vibration between the two can be completely attenuated through the vibration reduction block, thereby avoiding the generation of abnormal noise.
Description
Technical Field
The application belongs to the technical field of air conditioners, and particularly relates to a vibration reduction assembly, a compressor and an air conditioning system.
Background
The traditional structure of the compressor rubber foot pad shock absorber, the rubber foot pad is arranged between the chassis and the footing, the bolts penetrate through the rubber foot pad to connect the chassis and the compressor footing, and the mode has two defects:
1. The bolts and the chassis are welded, the inner wall of the rubber foot is easily propped against the bolts in the installation and transportation processes and the operation process of the compressor, the vibration of the compressor can be directly transmitted to the chassis through the rubber foot and the bolts, so that the shell vibrates to generate abnormal noise, the vibration can be transmitted to the compressor through the bolts and the rubber foot during transportation, particularly the compressor with higher gravity center can be greatly rocked due to the vibration transmission, and the pipeline is broken when the pipeline transportation stress is too large.
2. The rubber callus lacks stop device, and the rubber callus is on touch the bolt easily when sliding, and in the compressor operation process, the vibration of compressor will be directly transmitted to the chassis through rubber callus and bolt, causes the callus on the sole damping inefficacy, and long-term operation can make the rubber callus receive wearing and tearing, influences rubber callus life.
The upper fastening piece and the lower fastening piece are respectively embedded in the foot pad of the compressor and are used for connecting the compressor and the chassis, so that the compressor and the chassis are elastically connected instead of rigidly connected, and the vibration of the compressor can be absorbed and reduced by the elastic foot pad in the process of being transmitted to the chassis, so that the vibration of the whole machine and the noise generated by the vibration are weakened. However, the upper fastening piece of the elastic foot pad is fixed with the compressor and the lower fastening piece and the chassis through nuts, and still has rigid connection, so that the damping effect on the vibration of the compressor transmitted to the chassis is poor, the structure is poor in stability, and the structure is complex.
In addition, through the upper and lower both ends rigid coupling metal sheet at the damping body, and set up the screw rod on at least one metal sheet, used positioning bolt when having cancelled current installation damping callus on the sole has got rid of the influence of damping callus on the sole damping effect of damping in the pore wall and positioning bolt's the cooperation clearance from the root for damping callus on the sole damping effect is better. However, the vibration damper is rigidly connected with the chassis, and the vibration of the compressor is still directly transmitted to the chassis, so that the shell vibrates to generate abnormal sound.
Disclosure of Invention
Accordingly, the present application has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present application is to provide a vibration damping assembly, a compressor and an air conditioning system, which can attenuate vibration transmission between a chassis and a vibration damping device.
In order to solve the problems, the application provides a vibration reduction assembly which comprises a chassis, a vibration reduction block and a fastening piece, wherein one end of the fastening piece is arranged on the chassis through the vibration reduction block, and the vibration reduction block can reduce vibration transmission between the chassis and the fastening piece.
Preferably, the chassis comprises a limit groove, the vibration reduction block is at least partially arranged in the limit groove, and the fastening piece is arranged on the vibration reduction block.
Preferably, the bottom of the limit groove is lower than the chassis main body, and the top of the side wall is higher than the chassis main body.
Preferably, the limiting groove is formed by fixedly connecting a sinking groove of the chassis main body with the sleeve.
Preferably, the damping assembly further comprises a foot pad, the foot pad is provided with a through hole for the fastener to penetrate, and the bottom end of the foot pad abuts against the damping block.
Preferably, the height of the limit groove is larger than that of the vibration reduction block, and the foot pad part is arranged in the limit groove.
Preferably, the upper portion of the damper block is provided with a recess for receiving an end of the fastener.
Preferably, the outer peripheral wall of the vibration reduction block is provided with an annular groove.
Preferably, one end of the fastener is integrally formed with the damper block.
According to another aspect of the present application, there is provided a compressor comprising a vibration damping assembly as described above.
According to a further aspect of the present application there is provided an air conditioning system comprising a vibration damping assembly as described above or a compressor as described above.
The vibration reduction assembly comprises a chassis, a vibration reduction block and a fastening piece, wherein one end of the fastening piece is arranged on the chassis through the vibration reduction block, and the vibration reduction block can reduce vibration transmission between the chassis and the fastening piece. The vibration damping block is arranged between the fastening piece and the chassis, so that the vibration between the fastening piece and the chassis can be completely damped by the vibration damping block, and abnormal noise is avoided.
Drawings
Fig. 1 is a schematic structural view of a vibration damper for a compressor according to an embodiment of the present application.
The reference numerals are expressed as:
1. The device comprises bolts, 11, nuts, 2, a chassis, 21, a sinking groove, 3, a vibration reduction block, 31, an annular groove, 4, foot pads, 5, a sleeve and 6, and a compressor footing.
Detailed Description
Referring to fig. 1 in combination, a vibration damping assembly according to an embodiment of the present application includes a chassis 2, a vibration damping block 3, and a fastener having one end provided on the chassis 2 via the vibration damping block 3, the vibration damping block 3 being capable of damping vibration transmission between the chassis 2 and the fastener.
In the vibration damping assembly, the vibration damping block 3 is additionally arranged between the fastening piece and the chassis 2, and the vibration damping block 3 can weaken the vibration transmission between the chassis 2 and the fastening piece and even completely damp the vibration, so that abnormal noise caused by direct contact between the fastening piece and the chassis 2 can be avoided.
In some embodiments, the chassis 2 includes a limit groove, the damping block 3 is at least partially disposed in the limit groove, and the fastener is disposed on the damping block 3.
Through set up the spacing groove on chassis 2, make things convenient for the setting of damping piece 3, avoided the lateral shifting of damping piece 3 on chassis 2 simultaneously, strengthened the stability of damping piece 3.
In some embodiments, the bottom of the limit groove is lower than the main body of the chassis 2, and the top of the side wall is higher than the main body of the chassis 2.
Through setting up the spacing groove and being less than the structural mode of chassis 2 main part, can reduce the focus of damping subassembly, improve its stability and damping effect.
Optionally, the limiting groove is formed by fixedly connecting a sinking groove 21 of the chassis 2 main body and the sleeve 5, more preferably, the sinking groove 21 is 5-12mm in height, and the sleeve 5 is 12-20mm in height.
The above-mentioned size limitation range is mainly considered from the technical point of view, the chassis 2 is usually made of sheet metal, and the sinking groove 21 is usually formed by stamping in a machining mode, because the height of the sinking groove 21 and the height of the sleeve 5 are most suitable due to the limited influence of the thickness of the sheet metal and the ductility of the sheet metal.
In some embodiments, the vibration reduction assembly further comprises a foot pad 4, the foot pad 4 is provided with a through hole for the fastener to pass through, and the bottom end of the foot pad 4 abuts against the vibration reduction block 3.
Foot pads 4 are sleeved on the peripheries of the fasteners, and the bottom ends of the foot pads 4 are combined with the vibration reduction blocks 3 in a butt joint mode, so that two parts capable of achieving a vibration reduction effect are overlapped, and vibration transmission can be greatly reduced in the overlapped direction.
In some embodiments, the height of the limit groove is greater than the height of the vibration reduction block 3, and the foot pad 4 is partially disposed in the limit groove.
The height of the limit groove is higher than the height of the vibration reduction block 3, so that the bottom of the foot pad 4 can be arranged in the limit groove, the limit groove is also used for limiting the lateral movement of the foot pad 4, and the lateral movement of the foot pad 4 is prevented from extruding the fastener in the penetrating foot pad 4.
In some embodiments, the upper part of the damper block 3 is provided with a recess for receiving the end of the fastener.
The groove for accommodating the end head of the fastening piece is formed in the upper portion of the vibration reduction block 3, stability of the fastening piece on the vibration reduction block 3 can be guaranteed, deflection under the influence of transverse force is prevented, and particularly, the fastening piece is further prevented from moving under the action of the foot pad 4 arranged above the vibration reduction block 3.
The depth of the groove can be the same as the thickness of the end head of the fastening piece, for example, the fastening piece is a bolt 1, the depth of the groove is the same as the thickness of the bottom end gasket of the bolt 1, and the diameter is the same as the diameter of the bottom end gasket of the bolt 1.
In some embodiments, the outer circumferential wall of the damper mass 3 is provided with an annular groove.
The annular groove is a groove which is circumferentially arranged on the outer peripheral wall of the vibration reduction block 3, and mainly has two aspects, namely, in the aspect of vibration reduction, the design of the annular groove 31 is the same as the design of an outer surface groove in the traditional structure of the foot pad 4, so that the elasticity in the vertical direction can be increased, the rigidity can be reduced, the vibration isolation rate can be improved, and the transmission of the vibration of the compressor to the chassis 2 can be reduced. Secondly, the installation angle, two upper and lower faces can take place warpage in the time of vibration damper 3 actual production, can take place the slope in the time of the assembly, and the design of ring channel 31 makes the material pressurized back surface more level and smooth, and pressure distribution is more even.
In some embodiments, one end of the fastener is integrally formed with the damper block 3.
By adopting an integrated structure, the connection stability of the fastener and the vibration reduction block 3 is improved, the fastener and the vibration reduction block 3 are prevented from being deviated due to the influence of the vibration in all directions, and the rigid contact between the fastener and the chassis 2 is avoided.
According to another embodiment of the present application, there is provided a compressor including the vibration damping assembly as described above.
The vibration damper of the compressor shown in fig. 1 comprises a chassis 2 with a sinking groove 21, a sleeve 5, a vibration damper 3, a bolt 1, a foot pad 4, a compressor foot 6 and a nut 11, wherein the lower end of the sleeve 5 is welded on the sinking groove 21 to form a deeper limit groove structure, the vibration damper 3 is made of rubber materials and is arranged in the limit groove structure, a groove is arranged at the upper end of the vibration damper 3, a gasket at the lower end of the bolt 1 is embedded in the groove to form an integrated structure, the foot pad 4 is sleeved on the bolt 1, and the compressor foot 6 is sleeved on the upper part of the bolt 1 and is fixed through the nut 11. Wherein, the upper end of the damping block 3 is lower than the upper end of the sleeve 5, so that the lower part of the foot pad 4 is also partially arranged in the limit groove.
In actual manufacture, a boss is arranged at the bottom of the sinking groove 21, a round hole which is correspondingly matched with the boss is arranged at the bottom of the vibration reduction block 3, and the diameter of the round hole is smaller than that of a bolt head, so that vibration can be transmitted to the rubber vibration reduction block 3 to be dispersed and attenuated, the vibration reduction effect is good, and the difference between the diameter of the round hole and the maximum inner diameter of a foot pad is +/-1- +/-3 mm in order to ensure the support strength of the rubber vibration reduction block 3 in the vertical direction.
The round hole does not penetrate through the whole rubber vibration reduction block 3, the thickness of the rubber vibration reduction block 3 at the round hole is 4-10mm, and the following two aspects are mainly considered, firstly, the top end of the vibration reduction block 3 is provided with a round groove, the round groove is fixedly connected with a gasket at the bottom end of the bolt 1, in order to ensure the connection strength, a larger fixedly-connected area is required to be provided as much as possible, if the round hole penetrates through the vibration reduction block 3, the fixedly-connected area is reduced, the fixedly-connected strength is affected, secondly, when the round hole penetrates through the vibration reduction block 3, the vibration reduction block 3 receives a load and deforms along the vertical direction, and if the deformation is too large, the gasket at the bottom end of the bolt 1 collides with a boss on a chassis, vibration reduction is invalid, and noise is caused.
According to the structure, through the structure of the rubber vibration reduction block 3, vibration of the compressor can be guaranteed to be completely attenuated by the rubber vibration reduction block 3 and then transmitted to the chassis 2, abnormal sound generated by vibration of the chassis 2 and the shell is avoided, the vibration reduction effect of the single foot pad 4 is better, the limit effect of the foot pad 4 is achieved through the structure of the sleeve 5, and the problem that the foot pad 4 is propped against the bolt 1 under the action of transverse force in the operation process of the compressor, so that vibration reduction failure of the foot pad 4 is caused is solved.
In the vibration damper of the compressor, the chassis 2 is used for installing the circular sinking groove 21 of the vibration damper, the depth of the sinking groove 21 is 5-12 mm, and the diameter of the sinking groove 21 is consistent with the outer dimension of the vibration damper 3. Further, the bottom of damping piece 3 is laminated with the groove 21 bottom that sinks, and still accessible sticky rigid coupling, and the top of rubber damping piece 3 is less than sleeve 5 top 3~8mm for callus on the sole 4 is spacing.
In order to improve the vibration reduction effect of the vibration reduction block 3, the outer wall of the vibration reduction block 3 is provided with a circular groove, the annular groove 31 can be positioned in the middle of the vibration reduction block 3, the top end of the vibration reduction block 3 is provided with a circular groove, the depth of the groove is consistent with the thickness of a gasket at the bottom end of the bolt 1, and the diameter of the groove is consistent with the diameter of the gasket at the bottom end of the bolt 1.
The callus on the sole 4 is installed on fixing bolt 1, and the bottom of callus on the sole 4 is laminated with the top of damping piece 3, and metal sleeve 5 is higher than the part of rubber damping piece 3 and laminating of callus on the sole 4 bottom outer wall for callus on the sole 4 is spacing, solves the in-process callus on the sole 4 of compressor operation and is on the fixing bolt 1 under the effect of receiving transverse force that callus on the sole 4 pushes up, arouses the problem of callus on the sole 4 damping inefficacy.
The compressor footing 6 is located at the top end of the foot pad 4 for the vibration reduction part and is connected with the bolt 1 through a nut 11.
According to a further embodiment of the present application, there is provided an air conditioning system comprising a vibration damping assembly as described above or a compressor as described above.
It is easy to understand by those skilled in the art that the above embodiments can be freely combined and overlapped without conflict.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application. The foregoing is merely a preferred embodiment of the present application, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present application, and these modifications and variations should also be regarded as the scope of the application.
Claims (9)
1. The vibration reduction assembly is characterized by comprising a chassis (2), a vibration reduction block (3) and a fastening piece, wherein one end of the fastening piece is arranged on the chassis (2) through the vibration reduction block (3), and the vibration reduction block (3) can reduce vibration transmission between the chassis (2) and the fastening piece;
the chassis (2) comprises a limit groove, the vibration reduction block (3) is at least partially arranged in the limit groove, and the fastening piece is arranged on the vibration reduction block (3);
The bottom of the limiting groove is provided with a boss, the bottom of the vibration reduction block (3) is provided with a round hole which is correspondingly matched with the boss, the round hole does not penetrate through the whole vibration reduction block (3), and the upper part of the vibration reduction block (3) is provided with a groove for accommodating the end part of the fastener.
2. Vibration damping assembly according to claim 1, characterized in that the bottom of the limit groove is lower than the chassis (2) body and the top of the side wall is higher than the chassis (2) body.
3. Damping assembly according to claim 1 or 2, characterized in that the limit groove is formed by a fixed connection of a sink groove (21) of the chassis (2) body and a sleeve (5).
4. The vibration reduction assembly according to claim 3, further comprising a foot pad (4), wherein the foot pad (4) is provided with a through hole for the fastener to pass through, and the bottom end of the foot pad (4) abuts against the vibration reduction block (3).
5. The vibration damping assembly according to claim 4, characterized in that the height of the limit groove is greater than the height of the vibration damping block (3), and the foot pad (4) is partially arranged in the limit groove.
6. Damping assembly according to claim 1, characterized in that the outer circumferential wall of the damping mass (3) is provided with an annular groove.
7. Vibration damping assembly according to claim 1, characterized in that one end of the fastener is of unitary construction with the vibration damping block (3).
8. A compressor comprising a vibration damping assembly according to any one of claims 1 to 7.
9. An air conditioning system comprising a vibration damping assembly according to any one of claims 1 to 7 or a compressor according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010633323.XA CN111706492B (en) | 2020-07-02 | 2020-07-02 | Vibration reduction components, compressors and air conditioning systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010633323.XA CN111706492B (en) | 2020-07-02 | 2020-07-02 | Vibration reduction components, compressors and air conditioning systems |
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| Publication Number | Publication Date |
|---|---|
| CN111706492A CN111706492A (en) | 2020-09-25 |
| CN111706492B true CN111706492B (en) | 2025-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010633323.XA Active CN111706492B (en) | 2020-07-02 | 2020-07-02 | Vibration reduction components, compressors and air conditioning systems |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62214282A (en) * | 1986-03-12 | 1987-09-21 | Matsushita Electric Ind Co Ltd | Vibration isolating device for compressor |
| CN212250395U (en) * | 2020-07-02 | 2020-12-29 | 珠海格力电器股份有限公司 | Vibration reduction assembly, compressor and air conditioning system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6345475A (en) * | 1986-08-13 | 1988-02-26 | Matsushita Electric Ind Co Ltd | Vibrationproof device for compressor |
| CN203890547U (en) * | 2014-05-28 | 2014-10-22 | 宁波武田纺织有限公司 | Damping supporting leg of textile machine |
| CN205292260U (en) * | 2015-12-01 | 2016-06-08 | 重庆山伦摩托车销售有限公司 | Independent shock attenuation connecting device of engine |
| KR101853094B1 (en) * | 2018-02-20 | 2018-04-27 | (주)파워엔텍 | The seismic stopper combined with vibration isolation system |
-
2020
- 2020-07-02 CN CN202010633323.XA patent/CN111706492B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62214282A (en) * | 1986-03-12 | 1987-09-21 | Matsushita Electric Ind Co Ltd | Vibration isolating device for compressor |
| CN212250395U (en) * | 2020-07-02 | 2020-12-29 | 珠海格力电器股份有限公司 | Vibration reduction assembly, compressor and air conditioning system |
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| CN111706492A (en) | 2020-09-25 |
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