CN108361176B - Vibration reduction foot pad - Google Patents
Vibration reduction foot pad Download PDFInfo
- Publication number
- CN108361176B CN108361176B CN201810059485.XA CN201810059485A CN108361176B CN 108361176 B CN108361176 B CN 108361176B CN 201810059485 A CN201810059485 A CN 201810059485A CN 108361176 B CN108361176 B CN 108361176B
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- Prior art keywords
- foot pad
- vibration
- vibration isolation
- damping
- groove
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a vibration reduction foot pad, which is used in the technical field of compressors and comprises a foot pad main body and vibration isolation blocks, wherein grooves or holes for assembling the vibration isolation blocks are formed in the foot pad main body, and the positions and/or the number of the vibration isolation blocks in the grooves or holes are adjusted to change the damping and/or the natural frequency of the vibration reduction foot pad. The invention consists of a foot pad main body and a vibration isolation block, wherein the foot pad main body is provided with a groove or a hole for assembling the vibration isolation block. The foot pad main part and the cooperation of vibration isolation piece can play the effect of adjusting foot pad damping and/or natural frequency, can effectively reduce low frequency vibration, and can increase, subtract according to actual need at the customer scene, and is very convenient. According to the technical scheme, different natural frequencies and damping can be obtained on one foot pad, vibration waves with different vibration shapes and frequencies are reduced, and the effects of vibration reduction and noise reduction are achieved. Improves the production universality and controls the cost.
Description
Technical Field
The invention is used in the technical field of compressors, and particularly relates to a vibration reduction foot pad.
Background
The existing compressor adopts a vibration reduction foot pad for vibration isolation in order to reduce vibration, can play a certain vibration isolation effect under the normal condition, but cannot be effectively matched with the vibration frequency to be reduced because the natural frequency and the damping are unchanged. The bottom of the rubber mat is in plane contact with the installation floor, has certain rigidity, and has poor function in the aspect of reducing vibration of different vibration shapes. And the foot pads of different boxes are possibly different, so that various foot pads appear, and the production universality and the cost control are difficult.
The requirement of small vibration and low noise of the compressor is more and more common, and the vibration reduction foot pad which can adapt to various compressors of various box bodies is an indispensable part for vibration reduction and noise reduction. However, the existing vibration-damping foot pad has no better solution except for damping adjustment from the aspect of materials.
Disclosure of Invention
The invention aims to provide a vibration reduction foot pad which can obtain different natural frequencies and damping on one foot pad, reduce vibration waves of different vibration shapes and frequencies and achieve the effects of vibration reduction and noise reduction.
The technical scheme adopted by the invention for solving the technical problems is as follows: a vibration reduction foot pad comprises a foot pad main body and vibration isolation blocks, wherein grooves or holes for assembling the vibration isolation blocks are formed in the foot pad main body, and the positions and/or the number of the grooves or the holes of the vibration isolation blocks are adjusted to change the damping and/or the natural frequency of the vibration reduction foot pad.
As a further improvement of the technical scheme of the invention, the foot pad main body comprises a connecting part which can be connected with the machine leg and a supporting part which can support the machine leg, and the foot pad main body is provided with a through hole which penetrates through the connecting part and the supporting part.
As a further improvement of the technical solution of the present invention, the top of the connecting portion has an end cap, and a fixing groove capable of being assembled with the machine leg is formed between the end cap and the supporting portion.
As a further improvement of the technical scheme of the invention, the end cap is provided with an inclined guide installation surface, and the top of the supporting part is provided with an arc-shaped contact surface capable of supporting the machine foot.
As further improvement of the technical scheme of the invention, a plurality of auxiliary vibration isolation grooves are arranged on the bottom surface of the foot pad main body.
Further as an improvement of the technical scheme of the invention, a limiting bulge which can be matched with the groove or the hole is arranged on the surface of the vibration isolation block.
As further improvement of the technical scheme of the invention, the bottom surface of the foot pad main body is provided with main vibration isolation grooves capable of being assembled with the vibration isolation blocks, and the main vibration isolation grooves are uniformly distributed around the through holes.
As a further improvement of the technical scheme of the invention, the supporting part is provided with vibration isolation holes for assembling the vibration isolation blocks, and the vibration isolation holes are vertical to the bottom surface and are uniformly distributed around the through holes.
The invention has the beneficial effects that: the invention consists of a foot pad main body and a vibration isolation block, wherein the foot pad main body is provided with a groove or a hole for assembling the vibration isolation block. The foot pad main part and the cooperation of vibration isolation piece can play the effect of adjusting foot pad damping and/or natural frequency, can effectively reduce low frequency vibration, and can increase, subtract according to actual need at the customer scene, and is very convenient. According to the technical scheme, different natural frequencies and damping can be obtained on one foot pad, vibration waves with different vibration shapes and frequencies are reduced, and the effects of vibration reduction and noise reduction are achieved. Improves the production universality and controls the cost.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is an exploded view of a first embodiment of the present invention;
FIG. 2 is a schematic bottom structure view of the first embodiment of the present invention;
FIG. 3 is a cross-sectional view of a first embodiment of the present invention;
FIG. 4 is an exploded view of a second embodiment of the present invention;
FIG. 5 is a schematic bottom structure view of a second embodiment of the present invention;
fig. 6 is a cross-sectional view of a second embodiment of the present invention.
Detailed Description
Referring to fig. 1 to 6, the detailed structure of the preferred embodiment of the present invention is shown. The structural features of the respective components of the present invention will be described in detail below.
The invention provides a vibration reduction foot pad, which comprises a foot pad main body 1 and vibration isolation blocks 2, wherein the foot pad main body 1 is made of a flexible material which can be extruded and deformed, such as rubber and the like, the vibration isolation blocks 2 can be made of rubber, metal and the like, grooves or holes for assembling the vibration isolation blocks 2 are formed in the foot pad main body 1, the positions and/or the number of the vibration isolation blocks 2 in the grooves or holes can be adjusted to change the damping and/or the natural frequency of the vibration reduction foot pad, the number of the grooves or the holes can be arranged according to the vibration reduction requirement, and the vibration isolation blocks 2 can be added at any time according to the requirement. The shock-absorbing foot pad comprises a foot pad main body 1 and a shock-absorbing block 2, wherein the foot pad main body 1 is provided with a groove or a hole for assembling the shock-absorbing block 2. The foot pad main body 1 and the vibration isolation blocks 2 are matched to play a role in adjusting the damping and/or natural frequency of the foot pad, so that the low-frequency vibration can be effectively reduced, the increase and the decrease can be carried out on the client site according to actual needs, and the operation is very convenient. According to the technical scheme, different natural frequencies and damping can be obtained on one foot pad, vibration waves with different vibration shapes and frequencies are reduced, and the effects of vibration reduction and noise reduction are achieved. Improves the production universality and controls the cost.
In order to facilitate connection with a compressor machine leg, the foot pad main body 1 comprises a connecting portion 11 capable of being connected with the machine leg and a supporting portion 12 capable of supporting the machine leg, a through hole 13 penetrating through the connecting portion 11 and the supporting portion 12 is formed in the foot pad main body 1, and the through hole 13 can be used for arranging a fastener.
The sectional shape of the foot pad body 1 can be regular polygon, circle, ellipse, etc., preferably, the sectional shape of the foot pad body 1 is circle, the top of the connecting part 11 is provided with an end cap 14, and a fixing groove 15 capable of being assembled with the machine foot is formed between the end cap 14 and the supporting part 12. During assembly, the end cap 14 penetrates through the through hole in the machine leg, and then is matched with the machine leg through the fixing groove 15 to realize fixing, and the end cap 14 is provided with an inclined guide mounting surface 16 for conveniently penetrating through the through hole in the machine leg. In addition, the top of the supporting part 12 is provided with an arc-shaped contact surface 17 which can support the machine foot, so that the vibration damping effect is improved.
The bottom surface of the foot pad main body 1 is provided with a plurality of auxiliary vibration isolation grooves 18. The auxiliary vibration isolation groove 18 can change the original large plane contact of the bottom surface into local small plane contact, so that the effective contact area is increased, and more contact surfaces can respectively absorb vibration waves of different forms and vibration shapes.
And a limiting bulge 21 matched with the groove or the hole is arranged on the surface of the vibration isolation block 2. The limiting protrusions 21 can be square, triangular, circular and the like, the limiting protrusions 21 and the grooves or the holes form extrusion friction for limiting, and the limiting protrusions 21 in a certain number can ensure that the vibration isolation blocks 2 can be fixed at any positions of the grooves or the holes.
As a preferable embodiment of the invention, the bottom surface of the foot pad main body 1 is provided with main vibration isolation grooves 19 capable of being assembled with the vibration isolation blocks 2, the main vibration isolation grooves 19 are uniformly distributed around the through holes, and the positions and/or the number of the vibration isolation blocks 2 in the main vibration isolation grooves 19 can be adjusted to change the damping and/or the natural frequency of the vibration reduction foot pad.
As a preferred embodiment of the present invention, the supporting portion 12 is provided with vibration isolation holes 10 for mounting the vibration isolation blocks 2, the vibration isolation holes 10 are perpendicular to the bottom surface and are uniformly distributed around the through holes, and the positions and/or the number of the vibration isolation blocks 2 in the vibration isolation holes 10 can be adjusted to change the damping and/or the natural frequency of the vibration damping foot pad.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (5)
1. The utility model provides a damping callus on sole which characterized in that: including callus on the sole main part and the piece that shakes, be equipped with the assembly in the callus on the sole main part the groove or the hole of the piece that shakes is in to different kinds of compressor adjustment shake the piece the position and/or the quantity in groove or hole can change the damping and/or natural frequency of damping callus on the sole, the callus on the sole main part is equipped with the through-hole that runs through with the connecting portion that the undercarriage is connected and the supporting part that can support the undercarriage in the callus on the sole main part, the shake the piece be equipped with on the surface can with the spacing arch of groove or hole complex certain quantity, spacing arch and groove or hole form extrusion friction spacing, and the spacing arch of certain quantity can guarantee to shake the piece and can fix in the optional position in groove or hole, be equipped with the assembly on the bottom surface of callus on the sole main part the main groove that shakes of separating the piece, main vibration isolation groove is around hole evenly distributed.
2. The vibration dampening foot pad of claim 1, wherein: the top of the connecting part is provided with an end cap, and a fixing groove capable of being assembled with the machine leg is formed between the end cap and the supporting part.
3. The vibration dampening foot pad of claim 2, wherein: the end cap is provided with an inclined guide mounting surface, and the top of the supporting part is provided with an arc-shaped contact surface capable of supporting the machine foot.
4. The vibration damping foot pad according to any one of claims 1 to 3, characterized in that: and a plurality of auxiliary vibration isolation grooves are formed in the bottom surface of the foot pad main body.
5. The vibration damping foot pad according to any one of claims 1 to 3, characterized in that: the supporting part is provided with vibration isolation holes capable of assembling the vibration isolation blocks, and the vibration isolation holes are perpendicular to the bottom surface and are uniformly distributed around the via holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059485.XA CN108361176B (en) | 2018-01-22 | 2018-01-22 | Vibration reduction foot pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059485.XA CN108361176B (en) | 2018-01-22 | 2018-01-22 | Vibration reduction foot pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108361176A CN108361176A (en) | 2018-08-03 |
| CN108361176B true CN108361176B (en) | 2020-11-10 |
Family
ID=63006771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810059485.XA Active CN108361176B (en) | 2018-01-22 | 2018-01-22 | Vibration reduction foot pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108361176B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5964579A (en) * | 1997-06-24 | 1999-10-12 | Rheem Manufacturing Company | Prestressed resilient compressor mount apparatus |
| JP3454717B2 (en) * | 1998-07-06 | 2003-10-06 | 三洋電機株式会社 | Support device for vertical rotary compressor |
| CN2849317Y (en) * | 2005-11-09 | 2006-12-20 | 重庆宗申技术开发研究有限公司 | Shock absorption foot cushion |
| CN101413233A (en) * | 2008-11-11 | 2009-04-22 | 中国船舶重工股份有限公司洛阳分公司 | Method and device for designing shock and vibration absorption type steel rail suspending fastener |
| BR102013019671B1 (en) * | 2013-08-01 | 2021-10-13 | Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda | SUSPENSION FOR AN ALTERNATIVE HERMETIC COMPRESSOR FOR MOBILE APPLICATION |
| CN204478319U (en) * | 2015-01-14 | 2015-07-15 | 广东美的制冷设备有限公司 | Vibration isolation foot pad, compressor and air-conditioner outdoor unit |
| CN205841142U (en) * | 2016-06-20 | 2016-12-28 | 广东美芝制冷设备有限公司 | Compressor leg and the compressor with it |
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2018
- 2018-01-22 CN CN201810059485.XA patent/CN108361176B/en active Active
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| Publication number | Publication date |
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| CN108361176A (en) | 2018-08-03 |
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