CN210564972U - Compressor callus on sole, compressor and air conditioner - Google Patents
Compressor callus on sole, compressor and air conditioner Download PDFInfo
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- CN210564972U CN210564972U CN201921456111.8U CN201921456111U CN210564972U CN 210564972 U CN210564972 U CN 210564972U CN 201921456111 U CN201921456111 U CN 201921456111U CN 210564972 U CN210564972 U CN 210564972U
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- rubber body
- reinforcing plate
- foot pad
- sole
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- 206010020649 Hyperkeratosis Diseases 0.000 title abstract description 26
- 229920001971 elastomer Polymers 0.000 claims abstract description 58
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 58
- 239000005060 rubber Substances 0.000 claims abstract description 58
- 229920002943 EPDM rubber Polymers 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims 5
- 238000013016 damping Methods 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 9
- 230000003068 static effect Effects 0.000 description 20
- 230000014509 gene expression Effects 0.000 description 13
- 239000000463 material Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 ethylene propylene diene Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000013040 rubber vulcanization Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- HOWHQWFXSLOJEF-MGZLOUMQSA-N systemin Chemical compound NCCCC[C@H](N)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(O)=O)C(=O)OC(=O)[C@@H]1CCCN1C(=O)[C@H]1N(C(=O)[C@H](CC(O)=O)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CO)NC(=O)[C@H]2N(CCC2)C(=O)[C@H]2N(CCC2)C(=O)[C@H](CCCCN)NC(=O)[C@H](CO)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@@H](NC(=O)[C@H](C)N)C(C)C)CCC1 HOWHQWFXSLOJEF-MGZLOUMQSA-N 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model provides a compressor callus on sole, compressor and air conditioner relates to air conditioner technical field, has solved rocking that the compressor callus on the sole existing in the technique is difficult to control the compressor, has influenced the stress intensity with the continuous pipeline of compressor, has reduced the technical problem of compressor reliability. The compressor foot pad comprises a bearing part, wherein the bearing part is provided with a through hole; the bearing part comprises a columnar rubber body and a reinforcing plate; the reinforcing plate is embedded into the columnar rubber body along the cross section direction of the columnar rubber body; the rigidity of the reinforcing plate is greater than that of the columnar rubber body. The utility model discloses a set up the reinforcing plate and better resist overturning and torsional deformation of compressor, improved damping effect and compressor reliability.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner technique and specifically relates to a compressor callus on sole, compressor and air conditioner is related to.
Background
The compressor is the most central spare part in air conditioning system, also is the source that produces the vibration, and compressor vibration direct influence air conditioner outer machine pipeline's fatigue life, produces the noise problem simultaneously. The foot pad is added on the bottom foot of the compressor, which is one of the most common vibration reduction means, the design of the foot pad of the compressor which is commonly used at present is mainly controlled from two aspects of structure and hardness, so that the foot pad achieves an ideal vibration reduction effect, the foot pad is mostly made of ethylene propylene diene monomer rubber or nitrile rubber, and the vibration of the compressor can be effectively weakened in the vertical direction.
For example, publication nos. CN108981021A and CN205225615U disclose a vibration damping structure for adding a vertical stiffener to a floor mat, which greatly weakens the vibration damping effect of the floor mat in the vertical direction. Further, the shock absorbing structure in which the L-shaped rigid member is added to the floor mat as disclosed in publication JP2000018159A greatly weakens the vertical shock absorbing effect.
The applicant has found that the prior art has at least the following technical problems:
the existing compressor foot pad is difficult to effectively control the shaking of the compressor, such as overturning and twisting in the horizontal direction, so that the stress intensity of a pipeline connected with the compressor is influenced, and the reliability of the compressor is reduced.
Disclosure of Invention
An object of the utility model is to provide a compressor callus on sole, compressor and air conditioner to solve rocking of the compressor callus on sole hard to control compressor that exists among the prior art, influenced the stress intensity with the continuous pipeline of compressor, reduced the technical problem of compressor reliability. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a compressor foot pad, which comprises a bearing part, wherein the bearing part is provided with a through hole; the bearing part comprises a columnar rubber body and a reinforcing plate; the reinforcing plate is embedded into the columnar rubber body along the cross section direction of the columnar rubber body; the rigidity of the reinforcing plate is greater than that of the columnar rubber body.
Optionally, the thickness of the reinforcing plate is 1 mm.
Optionally, the cylindrical rubber body is made of ethylene propylene diene monomer or nitrile rubber.
Optionally, the columnar rubber body and the reinforcing plate are of an integral structure.
Optionally, the reinforcing plate is disposed in the middle of the cylindrical rubber body.
Optionally, the cross-sectional shape of the columnar rubber body is the same as the cross-sectional shape of the reinforcing plate.
Optionally, the reinforcing plate is made of metal.
Optionally, the material of the reinforcing plate is steel, aluminum or copper.
A compressor, includes the compressor callus on the sole, the compressor callus on the sole be above arbitrary the compressor callus on the sole.
An air conditioner comprises a compressor, wherein the compressor is the compressor.
Any technical scheme can at least produce the following technical effects:
after the bearing part of the compressor foot pad is embedded into the reinforcing plate, the bearing part keeps the vibration damping effect of the original foot pad in the vertical direction through the columnar rubber body part, and meanwhile, the reinforcing plate has higher rigidity, so that the bearing part can better resist the overturning and torsional deformation of the compressor through the reinforcing plate, the stability and the vibration damping effect of the compressor are improved, the stress intensity of a pipeline connected with the compressor cannot be influenced, the reliability of the compressor is improved, and the long-term stable operation of an air conditioner outdoor unit and the reliability of packaging and transportation are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a compressor foot pad;
FIG. 2 is a perspective view of a compressor foot pad;
FIG. 3 is a diagram of a compressor foot pad finite element simulation comparison.
FIG. 1, mounting part; 2. a bearing part; 21. a columnar rubber body; 22. a reinforcing plate; 3. a through hole; 4. and a buffer structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a compressor callus on sole, as shown in fig. 1-2, including installation department 1 and supporting part 2, supporting part 2 is provided with through-hole 3. Installation department 1 is the same with the installation department structure of current callus on the sole, including upper and lower two parts, the cylindrical structure that the upper portion contains the chamfer packs into the mounting hole of compressor sole, then fixes in the cylindrical structure of lower part, and installation department 1 mainly used is fixed with the compressor, does not actually produce the damping effect. The bearing part 2 is of a large cylindrical structure and is used for bearing the compressor and playing a role in vibration reduction in the working process of the compressor. The bearing part 2 comprises a columnar rubber body 21 and a reinforcing plate 22, and the mounting part 1 and the bearing part 2 are both provided with the same through hole 3 structure so as to enhance the vibration damping effect. The reinforcing plate 22 is preferably a thin plate, that is, the thickness of the reinforcing plate 22 is much smaller than the height of the columnar rubber body 21, so as to prevent the reinforcing plate 22 from affecting the existing vibration damping effect of the columnar rubber body 21 in the vertical direction. The reinforcing plate 22 is embedded in the columnar rubber body 21 in the cross-sectional direction of the columnar rubber body 21, and the surface of the reinforcing plate 22 is kept parallel to the upper surface or the lower surface of the rubber body 21. The rubber body 21 has the characteristics of hysteresis, damping and reversible large deformation, is widely used as a vibration damping structural material, and has an excellent vibration damping effect. The rigidity of the reinforcing plate 22 is greater than that of the columnar rubber body 21, the rigidity refers to the capability of resisting elastic deformation of materials or structures when stressed, the higher the rigidity is, the stronger the capability of resisting elastic deformation of the materials is, so that the capability of resisting overturning of the whole bearing part 2 is stronger, and meanwhile, the reinforcing plate 22 can obviously enhance the capability of resisting torsional deformation of the bearing part 2. After the bearing part 2 is provided with the reinforcing plate 22 with higher rigidity, the bearing part 2 can better resist the overturning and torsional deformation of the compressor, meanwhile, the vibration damping effect of the foot pad in the vertical direction is fully kept, the vibration damping stability and the vibration damping effect of the compressor are improved, the stress intensity of a pipeline connected with the compressor cannot be influenced, and the reliability of long-term stable operation and package transportation of an air conditioner outdoor unit is facilitated. As shown in fig. 3, ordinary callus on the sole with the utility model discloses a damping effect finite element simulation contrast map of callus on the sole can verify through finite element simulation means the utility model discloses the antidumping of well callus on the sole and torsional deformation's ability. The panel beating of a 1mm thickness is embedded at the callus on the sole middle part, and the level is exerted to the right size of the upper surface of callus on the sole and is 5N's power, and with the deformation condition of ordinary callus on the sole comparison, the callus on the sole warp and falls to 0.52453mm by 0.59362m, descends about 11.64%, explains that this panel beating structure has realized the better anti-overturning ability of compressor callus on the sole.
As an optional embodiment, the mounting portion 1 and the columnar rubber body 21 are made of ethylene propylene diene monomer or nitrile rubber, and the two rubbers are widely used in a vibration damping structure and have a good vibration damping effect. The mounting portion 1, the columnar rubber body 21, and the reinforcing plate 22 are integrally formed by a vulcanization process to form an integral structure. The rubber vulcanization means that the raw rubber and the vulcanizing agent are subjected to chemical reaction, and macromolecules with linear structures are crosslinked into macromolecules with three-dimensional network structures, so that the rubber has excellent performances of high strength, high elasticity, high wear resistance and the like. Preferably, the reinforcing plate 22 is better embedded into the cylindrical rubber body 21 through a hot vulcanization process, so that the reinforcing plate and the cylindrical rubber body are more firmly combined, and the functions of better resistance to overturning and torsional deformation are realized.
As an alternative embodiment, the reinforcing plate 22 is disposed in the middle of the cylindrical rubber body 21 to uniformly divide the cylindrical rubber body 21 into an upper portion and a lower portion, and the reinforcing plate 22 is disposed in the middle of the cylindrical rubber body 21 to better exert the characteristic of high rigidity thereof, thereby achieving better anti-overturning capability. The cross sections of the columnar rubber body 21 and the reinforcing plate 22 are the same, namely, the columnar rubber body 21 and the reinforcing plate 22 are both circular, the through holes 3 are formed in the columnar rubber body 21 and the reinforcing plate 22, the columnar rubber body 21 and the reinforcing plate 22 are matched in shape, and a better vibration damping effect can be achieved. Compressor foot pad is still equipped with buffer structure 4 in the below of through-hole 3 promptly the bottom, and buffer structure 4 is hollow columnar body structure, can strengthen the damping effect of compressor foot pad, and the cross-section circle that through-hole 3 and buffer structure 4 are concentric.
In an alternative embodiment, the reinforcing plate 22 is made of metal, preferably steel, aluminum, copper, etc., and the metal has better plasticity and higher rigidity than rubber, and has the advantage of easy and convenient processing into thin plate, and is suitable for being used as the reinforcing plate 22.
The utility model provides a compressor, includes the compressor callus on the sole, the compressor callus on the sole does the utility model provides a compressor callus on the sole, through the utility model discloses a compressor callus on the sole has effectively resisted the compressor and has toppled and twist reverse too big problem, and the vibration of compressor is more steady, has improved the reliability of compressor.
An air conditioner, including the compressor, the compressor is the claim the utility model provides a compressor, through the utility model provides a compressor, owing to effectively resisted the compressor and toppled and twisted over big problem, made the pipeline that other structures of outer machine of air conditioner link to each other more firm reliable to the life of air conditioner has been improved.
The utility model provides a compressor damping method for be right the utility model discloses a compressor callus on the sole carries out the damping, and the thickness calculation method of reinforcing plate 22 includes following step:
s1: obtaining a first expression of axial static stiffness of a single foot pad according to a natural frequency formula of the vibration isolation system;
s2: obtaining an axial static stiffness expression of the reinforcing plate 22 according to an axial static stiffness formula of the rod;
s3: obtaining an axial static stiffness expression of the columnar rubber body 21 according to a rubber axial static stiffness formula;
s4: obtaining a second expression of the axial static stiffness of the foot pad according to the axial static stiffness series formula of the reinforcing plate 22 and the columnar rubber body 22;
s5: by combining the above four expressions, the thickness of the reinforcing plate 22 is calculated.
The axial static stiffness of the single foot pad and the axial static stiffness of the columnar rubber body 21 can be easily obtained through calculation, and the elastic model of the reinforcing plate 22 can also be obtained through measurement. Therefore, the most central unknown quantity of the compressor vibration damping method is the thickness of the reinforcing plate 22, and when the thickness value is calculated through the expression, the method for controlling and resisting the overturning and torsional deformation of the compressor is found, and the method has better implementation performance.
As an alternative embodiment, in the step S1, the axial static stiffness k of the single foot paddThe expression of (a) is:
wherein the fixed frequency design value of the vibration isolation system consisting of the foot pad and the compressor is fdThe number of foot pads is N, the mass of the compressor is M, NdThe ratio of the dynamic stiffness to the static stiffness of the footpad is a dynamic coefficient. N when the foot pad material is nitrile butadiene rubberd1.5: 2.5; n when the foot pad material is ethylene propylene diene monomerd1.2: 2.8. According to the existing natural frequency formula of the vibration isolation system
In the formula, delta is the dynamic-static ratio of the vibration isolator, m is the rated load of the vibration isolator, and the unit Kg is the natural frequency of the vibration isolator under the rated load, thus obtaining
Since the foot pad of the compressor may include several, expression (1) is obtained. The mass M of the compressor corresponds to the nominal load M, ndThe ratio of the dynamic rigidity and the static rigidity of the foot pad is equal to delta, and the fixed frequency design value of the vibration isolation system consisting of the foot pad and the compressor is fdCorresponding to the natural frequency of the vibration isolator under rated loadThe rate f, the three parameters and the number of the shock absorption foot pads are known quantities, and the axial static stiffness k of a single foot pad can be directly calculatedd。
Alternatively, in step S2, the axial static stiffness k of the reinforcing plate 22 is strengthenedbThe expression of (a) is:
wherein D is the outer diameter of the reinforcing plate 22, D is the inner diameter of the through hole 3 corresponding to the reinforcing plate 22, EbTo reinforce the modulus of elasticity of the panel 22, these three parameters are known quantities hbThe thickness of the reinforcing plate 22. According to the formula of axial stiffness of the rod
Where E is the modulus of elasticity of the rod member, A is the cross-sectional area of the rod member, and dx is the length of the rod member. The cross-sectional area of the reinforcing plate 22 is
Thickness h of the reinforcing plate 22bI.e. the corresponding rod length, thereby obtaining the axial static stiffness k of the reinforcing plate 22bExpression (2) of (1).
Alternatively, in step S3, the axial static stiffness k of the columnar rubber body 21sThe expression is as follows:
wherein n ═ D (D-D)/[4 (H)0-hb)]D represents the outer diameter of the columnar rubber body 21, D represents the inner diameter of the through hole corresponding to the columnar rubber body 21, and EsIs the elastic modulus, H, of the columnar rubber body 210Representing the height of the cylindrical rubber body 21, these four parameters being known quantities, hbThe thickness of the reinforcing plate 22. According to an estimation formula of axial static rigidity of annular column rubber recorded on page 403 of noise and vibration of a rolling rotor type refrigeration compressor (Huanghui, science publishers, 2019),
because the utility model discloses an among the compressor callus on the soleThe irregular shape of the buffer structure 4 is small, and the columnar rubber body 21 of the compressor foot pad can be equivalent to a cylinder with the same shape for simple calculation without consideration. The height of the columnar rubber body 21 is the total height H of the bearing part 20Minus the height of the reinforcing plate 22 (i.e., the thickness of the reinforcing plate 22) hbThereby obtaining the above expression (3). Further, when the cross section of the compressor foot pad is in an irregular shape, the cross section of the compressor foot pad can be divided into a plurality of regular segments, and k of each regular segment is respectively calculatediThe values are integrated according to a stiffness series formula
Alternatively, in step S4, the axial static stiffness k of the footpaddThe second expression of (1) is:
wherein k isbTo enhance the axial static stiffness, k, of the plate 22sIs the axial static stiffness of the cylindrical rubber body 21. According to the general formula of a cascade
The total rigidity can be obtained
Namely, expression (4).
The thickness of the reinforcing plate 22 calculated by the method is strong in practicability and convenient to calculate, and a corresponding thickness value does not need to be obtained by methods such as experiments.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The compressor foot pad is characterized by comprising a bearing part, wherein the bearing part is provided with a through hole; the bearing part comprises a columnar rubber body and a reinforcing plate; the reinforcing plate is embedded into the columnar rubber body along the cross section direction of the columnar rubber body; the rigidity of the reinforcing plate is greater than that of the columnar rubber body.
2. The compressor foot pad of claim 1, wherein the reinforcement plate has a thickness of 1 mm.
3. The compressor foot pad according to claim 1, wherein the cylindrical rubber body is made of ethylene propylene diene monomer or nitrile rubber.
4. The compressor foot pad of claim 1, wherein the cylindrical rubber body and the reinforcing plate are of a unitary structure.
5. The compressor foot pad of claim 1, wherein the reinforcement plate is disposed in a middle portion of the cylindrical rubber body.
6. The compressor foot pad of claim 1, wherein the cylindrical rubber body is the same shape as a cross-section of the reinforcement plate.
7. The compressor foot pad of claim 1, wherein the reinforcement plate is a metal.
8. The compressor foot pad of claim 7, wherein the reinforcement plate is steel, aluminum, or copper.
9. A compressor comprising a compressor foot pad, wherein the compressor foot pad is according to any one of claims 1-8.
10. An air conditioner comprising a compressor, wherein the compressor is the compressor of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921456111.8U CN210564972U (en) | 2019-09-02 | 2019-09-02 | Compressor callus on sole, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921456111.8U CN210564972U (en) | 2019-09-02 | 2019-09-02 | Compressor callus on sole, compressor and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN210564972U true CN210564972U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921456111.8U Active CN210564972U (en) | 2019-09-02 | 2019-09-02 | Compressor callus on sole, compressor and air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594130A (en) * | 2019-09-02 | 2019-12-20 | 珠海格力电器股份有限公司 | Compressor foot pad, compressor, air conditioner and compressor vibration reduction method |
| US11795940B2 (en) | 2021-06-18 | 2023-10-24 | Haier Us Appliance Solutions, Inc. | Damper for a compressor of an air conditioning appliance |
-
2019
- 2019-09-02 CN CN201921456111.8U patent/CN210564972U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594130A (en) * | 2019-09-02 | 2019-12-20 | 珠海格力电器股份有限公司 | Compressor foot pad, compressor, air conditioner and compressor vibration reduction method |
| CN110594130B (en) * | 2019-09-02 | 2024-01-26 | 珠海格力电器股份有限公司 | Vibration reduction method for compressor |
| US11795940B2 (en) | 2021-06-18 | 2023-10-24 | Haier Us Appliance Solutions, Inc. | Damper for a compressor of an air conditioning appliance |
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