CN101303060A - Vibration damping base corner - Google Patents
Vibration damping base corner Download PDFInfo
- Publication number
- CN101303060A CN101303060A CNA2007100573183A CN200710057318A CN101303060A CN 101303060 A CN101303060 A CN 101303060A CN A2007100573183 A CNA2007100573183 A CN A2007100573183A CN 200710057318 A CN200710057318 A CN 200710057318A CN 101303060 A CN101303060 A CN 101303060A
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- compressor
- vibration damping
- damping base
- base corner
- vibration
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Abstract
The invention discloses a vibration reduction base angle, which is shaped like a round pad structure. A base surface is arranged on the vibration reduction base angle, a base surface round hole is formed in the centric part of the base surface, the diameter of the base surface round hole is the same as that of the shell body of a compressor, the bottom ends around the base surface are provided with three equidistant vertex angles, an vertex angle round hole is formed at the centric part of each vertex angle and connected with a rubber pad through a bolt, welding places are arranged at the position of a lower bearing, which is composed of three seam welding segments, and the vertex angles are vertically down from the base surface and then extend outwards horizontally. The vibration reduction base angle of the invention is welded at the position of the lower bearing of the shell body of the compressor and the lower bearing is a key place where the vibration of the compressor transfers outwards, thus the vibration can be absorbed effectively by rubber dampers. Moreover, the vibration reduction base angle of the invention has simple shape, is easy to be processed, can reduce expenses on moulds and can be used among base angles with same type, thereby effectively reducing production cost and promoting income.
Description
Technical field
The present invention relates to a kind of base angle of compressor, the vibration damping base corner of compressor especially is provided.
Background technique
The compressor of prior art, as shown in Figure 3, rotary compressor of the present invention is made of casing, power generating unit, press part and volume-variable portion.The upper and lower of casing is equipped with loam cake 1 and lower cover respectively, and the inside of casing has formed confined space thus, and power generating unit, press part and volume-variable portion are positioned at casing inside.Suction pipe is installed in a side of casing, is also connecting liquid container on the suction pipe.In addition, loam cake 1 outlet pipe is housed, compressed fluid can be discharged by this outlet pipe.
The power generating unit comprises stator 2, rotor 3 and eccentric shaft.Rotor 3 can rotate under the effect of electromagnetic force, and eccentric shaft can conduct the rotating force of rotor 3 to press part.Rotor 3 can counter-rotating, and eccentric shaft also can be with rotor 3 together toward the clockwise direction or rotation counterclockwise simultaneously.
Press part substantially by cylinder 5, roll ring, main bearing 4, lower bearing 6, eccentric shaft and slide plate etc. and form, cylinder 5 is fixed in the casing, rolls ring and is positioned at cylinder 5 inside, main bearing 4 and lower bearing 6 are installed in the upper and lower of cylinder 5 respectively.
The radius of cylinder 5 is greater than the radius that rolls ring, there is certain distance in the center of circle and cylinder 5 centers of circle of rolling ring, when rolling when rotating around cylinder 5 centers of circle, rolling to encircle to be close to has atomic little gap to roll on cylinder 5 internal surfaces, cylinder 5 internal surfaces and roll between the ring outer surface and to form a crescent shape fluid chamber thus, its position changes with the corner that rolls ring.Owing to separate by slide plate in the cylinder 5, in fact roll ring and whenever turn around and promptly finish once air-breathing, compression and exhaust process.
Because the rotation of eccentric part, pressurized gas produces pressure and acts on cylinder 5, and cylinder 5 is welded in the compressor case body, thereby the vibrational energy that produces is delivered to the compressor body side face, and drives its connected element, as vibrations such as copper pipe, air conditioner housing.Therefore designing the compressor vibration damping equipment seems particularly important.
As shown in Figure 4, the compressor of prior art is installed in the vibration damping base corner 8.
As shown in Figure 1, 2, at present, the vibration damping base corner that the compressor of prior art extensively adopts is a triangular structure, the central part of vibration damping base corner has bottom surface circular hole 9, the diameter of bottom surface circular hole 9 is less than the diameter of compressor lower cover, base angle weld 7 is the lower cover of compressor, vibration reducing measure is in the compressor bottom damping pad that rubber is made to be installed, 10 pairs of three drift angles at the triangular structure periphery should have three drift angle circular holes 11, rubber pad is connected with drift angle circular hole on the vibration damping base corner 8 with bolt, is welded as three sections and stitches and weld.Its purpose is to reduce the vibration of compressor for air conditioner, also makes compressor itself avoid rigidity to connect the constant compression machine.
There is following defective in the vibration damping base corner of prior art compressor:
The base angle effectiveness in vibration suppression of compressor is not obvious, and causes manufacture cost also than higher because of complex structure.
Summary of the invention
Technical problem to be solved by this invention is, a kind of vibration damping base corner is provided, and makes that vibration of compressor is less and manufacture cost is lower.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
As a kind of vibration damping base corner of the present invention, be shaped as disc-shaped structure, vibration damping base corner is provided with a bottom surface, portion of bottom center is formed with the bottom surface circular hole, and the diameter of bottom surface circular hole is identical with the compressor housing diameter, and the bottom of disc-shaped structure bottom surface is provided with three equidistant drift angles, the center portion of each drift angle forms a circular hole, be connected with rubber pad by bolt, the welding position is positioned at the lower bearing place, is three sections seam welderings.
And the drift angle of vibration damping base corner is the level setting that stretches out then vertically downward.
And the outer wall knot seam place of this vibration damping base corner and compressor is provided with the coating of a circle projection.
The invention has the beneficial effects as follows:
Vibration damping base corner at first of the present invention is welded in compressor housing lower bearing place, and is the key aspect that vibration of compressor outwards transmits herein, can effectively absorb vibration by rubber damping, stops its outside propagation, and to cover effectiveness in vibration suppression good than being welded on down.
Secondly, vibration damping base corner simple shape of the present invention is easy to processing, can reduce die cost, can also improve the sharing at same model base angle, effectively reduces cost of production, additional income.
Description of drawings
Fig. 1 is the plan view at base angle of the compressor of prior art
Fig. 2 is the side view at base angle of the compressor of prior art
Fig. 3 is the sectional view of place, base angle compressor of the compressor of prior art
Fig. 4 has settled the compressor plan view on the base angle for the compressor of prior art
Fig. 5 is a vibration damping base corner plan view of the present invention
Fig. 6 is a vibration damping base corner side view of the present invention
Fig. 7 is the sectional view of vibration damping base corner of the present invention place compressor
Fig. 8 has settled the compressor plan view on the vibration damping base corner of the present invention
Among the figure:
1: loam cake 2: stator
3: rotor 4: main bearing
5: cylinder 6: lower bearing
7: base angle weld 8: vibration damping base corner
9: bottom surface circular hole 10: drift angle
11: the drift angle circular hole
Embodiment
Below in conjunction with the drawings and specific embodiments vibration damping base corner of the present invention is described in further detail:
The compressor at vibration damping base corner of the present invention place, shown in Fig. 7,8, compressor is made of casing, power generating unit, press part and volume-variable portion, and power generating unit, press part and volume-variable portion are positioned at casing inside.The power happening part is in the top of compressor, and press part is positioned at the bottom of compressor, but also can be as required with their location swap.The upper and lower of casing is equipped with loam cake 1 and lower cover respectively, and the inside of casing has formed confined space thus.The suction pipe that is used for sucking driving fluid is installed in a side of casing, and is also connecting the liquid container that lubricant oil can be separated from refrigeration agent on the suction pipe.In addition, outlet pipe is equipped with at the center of loam cake 1, and compressed fluid can be discharged by this outlet pipe.
The power generating unit comprises stator 2, rotor 3 and eccentric shaft, and stator 2 is fixed in the casing, and rotor 3 is installed in the inside of stator 2 and can rotates, and eccentric shaft is pressed in the rotor 3.Rotor 3 can rotate under the effect of electromagnetic force, and eccentric shaft can conduct the rotating force of rotor 3 to press part.For external power supply being inputed to stator 2, on the loam cake 1 tenminal block is housed.This rotor 3 can counter-rotating.Be that rotor 3 both can also can rotate towards counter clockwise direction toward the clockwise direction, eccentric shaft also can rotate together toward the clockwise direction or counterclockwise with such rotor 3 simultaneously.
Press part substantially by cylinder 5, roll ring, main bearing 4 and lower bearing 6 and form, cylinder 5 is fixed in the casing, rolls ring and is positioned at cylinder 5 inside, main bearing 4 and lower bearing 6 are installed in the upper and lower of cylinder 5 respectively.
Press part also comprises constituent elements such as eccentric shaft and slide plate.The radius of cylinder 5 is greater than the radius that rolls ring, there is certain distance in the center of circle and cylinder 5 centers of circle of rolling ring, when rolling when rotating around cylinder 5 centers of circle, rolling to encircle to be close to has atomic little gap to roll on cylinder 5 internal surfaces, cylinder 5 internal surfaces and roll between the ring outer surface and to form a crescent shape fluid chamber thus, its position changes with the corner that rolls ring.Slide plate is divided into two independent parts with fluid chamber, and a part communicates with intakeport, and another part communicates with outlet pipe by the exhaust valve plate of relief opening.Slide plate is rolling on the ring outer surface by spring compression, and when the point of contact that rolls ring and cylinder 5 forwarded to above intakeport, slide plate right side to the spatial volume between the point of contact communicated with intakeport, and increases gradually with the rotation of rolling ring, and sucks gas from intakeport; When rolling the articulating contact when forwarding uppermost position to, this partial volume reaches maximum value, and has been full of low pressure refrigerant vapor; Continue rotation when rolling ring, when point of contact had passed through the intakeport position, the low-pressure gas of suction was compressed because of volume dwindles gradually, was compressed gas when reaching exhaust pressure, then the exhaust valve plate of relief opening is opened and the beginning exhaust, finishes by relief opening until rolling the articulating contact.Owing to separate by slide plate in the cylinder 5, in fact roll ring and whenever turn around and promptly finish once air-breathing, compression and exhaust process.
Because the rotation of eccentric part, pressurized gas produces pressure and acts on cylinder 5, and cylinder 5 is welded in the compressor case body, thereby produces the compressor body rotational vibration, drives its connected element vibration.Therefore designing the compressor vibration damping equipment seems particularly important.
It is generally acknowledged because of the rotation at full speed of rotor 3 and main shaft 4, produced violent vibration, but through the prolonged and repeated how balance that experiment showed, no matter rotor and main shaft design, this vibration is still very big.
In experiment, find finally, to a certain model compressor, generally speaking, the vibration displacement value on compressor top is generally between 60 μ m to 0 μ m, vibration displacement value around the lower cylinder is then up to 80 μ m to 90 μ m, in other words, vibration mainly is delivered on the housing by the cylinder and the metal (upper of bottom.
According to this result, shown in Fig. 5,6, vibration damping base corner 8 of the present invention is a disc-shaped structure, which is provided with a bottom surface, portion of bottom center is formed with bottom surface circular hole 9, the diameter of bottom surface circular hole 9 is identical with the compressor housing diameter, there are three drift angles 10 bottom of the vibration damping base corner 8 of disc-shaped structure, three drift angles 10 from vibration damping base corner 8 bottom surfaces vertically downward then level stretch out and form, the center portion of each drift angle 10 is formed with a drift angle circular hole 11, rubber pad is connected with drift angle circular hole 11 by bolt, and the welding position is positioned at lower bearing 6 places, is three sections seam welderings.Base angle weld 7 is positioned at the compression case surface highly suitable with lower bearing 6, on the one hand makes vibration damping base corner 8 direct active forces in the position of vibration of compressor maximum, and on the other hand, vibration damping base corner 8 moves on relatively, makes vibration of compressor displacement decline.
Through repeatedly experiment showed, vibration damping base corner of the present invention has been installed after, the vibration displacement value of compressor housing is reduced by at least 8 to 10 μ than prior art, effect is very obvious.
The top of this vibration damping base corner is the level setting that stretches out then vertically downward, and the structure of compressor is more stable.
This vibration damping base corner 8 brushes a coating with the knot seam place of the outer wall of compressor, has just formed the coating of a circle fine protrusions after solidifying, and outer wall thickness herein obtains expansion, even solder joint is loosening, still can tighten compressor and vibration damping base corner 8.
The vibration damping base corner 8 of prior art is with the compressor flip vertical when welding, with vibration damping base corner 8 also flip vertical, covers at compressor top, welds in the hole of vibration damping base corner 8.Vibration damping base corner of the present invention only need be set up an easy support and keep the vibration damping base corner height and position to get final product when welding, is equally applicable to industrialized production, and the degrees of freedom of welding is higher, more can save cost.
The invention has the beneficial effects as follows:
Vibration damping base corner at first of the present invention is welded in compressor housing lower bearing place, and is vibration of compressor herein The key aspect that outwards transmits can effectively absorb vibration by rubber damping, stops its outside propagation, than weldering Be connected on down and cover effectiveness in vibration suppression and will get well.
Secondly, vibration damping base corner simple shape of the present invention is easy to processing, can reduce die cost, can also carry The sharing of high same model vibration damping base corner effectively reduces production cost, additional income.
Claims (3)
1, a kind of vibration damping base corner, it is characterized in that: described vibration damping base corner (8) is a disc-shaped structure, base angle (8) is provided with a bottom surface, portion of bottom center is formed with bottom surface circular hole (9), the diameter of bottom surface circular hole (9) is identical with the compressor housing diameter, the bottom of the bottom periphery of disc-shaped structure is provided with equidistant three drift angles (10), the center portion of each drift angle (10) is formed with a drift angle circular hole (11), rubber pad is connected with drift angle circular hole (11) by bolt, welding position (7) is positioned at lower bearing (6) to be located, and is three sections seam welderings.
2, vibration damping base corner according to claim 1 is characterized in that: the drift angle (10) of described vibration damping base corner (8) is the level setting that stretches out then vertically downward.
3, vibration damping base corner according to claim 1 and 2 is characterized in that: described vibration damping base corner (8) is tied the coating that the seam place is provided with a circle projection with the outer wall of compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100573183A CN101303060A (en) | 2007-05-10 | 2007-05-10 | Vibration damping base corner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100573183A CN101303060A (en) | 2007-05-10 | 2007-05-10 | Vibration damping base corner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101303060A true CN101303060A (en) | 2008-11-12 |
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ID=40113101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100573183A Pending CN101303060A (en) | 2007-05-10 | 2007-05-10 | Vibration damping base corner |
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| CN (1) | CN101303060A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033704A (en) * | 2014-05-19 | 2014-09-10 | 徐存然 | Base for textile machine |
| CN104948878A (en) * | 2015-05-12 | 2015-09-30 | 刘磊 | Full-automatic filtering oiling machine body balancing stand bar |
| WO2018126620A1 (en) * | 2017-01-06 | 2018-07-12 | 青岛海尔洗衣机有限公司 | Foot for home appliance and home appliance |
| WO2018171070A1 (en) * | 2017-03-22 | 2018-09-27 | 青岛海尔洗衣机有限公司 | Bottom foot for household appliance, and household appliance |
| CN110332280A (en) * | 2019-07-26 | 2019-10-15 | 佛山科学技术学院 | A kind of suspension system of compressor of air conditioner vibration damping |
-
2007
- 2007-05-10 CN CNA2007100573183A patent/CN101303060A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033704A (en) * | 2014-05-19 | 2014-09-10 | 徐存然 | Base for textile machine |
| CN104948878A (en) * | 2015-05-12 | 2015-09-30 | 刘磊 | Full-automatic filtering oiling machine body balancing stand bar |
| WO2018126620A1 (en) * | 2017-01-06 | 2018-07-12 | 青岛海尔洗衣机有限公司 | Foot for home appliance and home appliance |
| US11466394B2 (en) | 2017-01-06 | 2022-10-11 | Qingdao Haier Washing Machine Co., Ltd. | Support for household appliance, and household appliance |
| WO2018171070A1 (en) * | 2017-03-22 | 2018-09-27 | 青岛海尔洗衣机有限公司 | Bottom foot for household appliance, and household appliance |
| CN110332280A (en) * | 2019-07-26 | 2019-10-15 | 佛山科学技术学院 | A kind of suspension system of compressor of air conditioner vibration damping |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081112 |