CN211549985U - Balance block capable of increasing and decreasing weight for scroll compressor - Google Patents
Balance block capable of increasing and decreasing weight for scroll compressor Download PDFInfo
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- CN211549985U CN211549985U CN202020073215.7U CN202020073215U CN211549985U CN 211549985 U CN211549985 U CN 211549985U CN 202020073215 U CN202020073215 U CN 202020073215U CN 211549985 U CN211549985 U CN 211549985U
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- balance weight
- weight
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- scroll compressor
- balancing piece
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Abstract
The utility model discloses a balancing piece that is used for scroll compressor and can increase and decrease weight, include electric motor rotor, motor shaft, go up balancing piece and balancing piece down, electric motor rotor suit is on the motor shaft, electric motor rotor's up end, lower terminal surface are equipped with two waist shape lugs respectively, it all is equipped with two waist type holes on balancing piece and the lower balancing piece to go up the balancing piece and on the waist shape lug of balancing piece difference interference pressure equipment at electric motor rotor's up end and lower terminal surface down through waist type hole. The utility model discloses a method of increasing the counter weight pinhole on last balancing piece and lower balancing piece has realized that the weight of last balancing piece and lower balancing piece can increase and decrease as required to improved scroll compressor smooth operation, reduced vibrations, and the noise reduction.
Description
Technical Field
The utility model relates to a compressor technical field, specifically speaking, it relates to a balancing piece that is used for scroll compressor and can increase and decrease weight.
Background
The scroll compressor is a positive displacement compressor, and the compression part consists of a movable scroll and a fixed scroll. At present, the scroll compressor is widely applied to the fields of air conditioning, freezing and refrigerating and the like. As shown in fig. 6, an original balance weight 5 is installed on both the upper end surface and the lower end surface of the motor rotor of the scroll compressor, and when the geometric dimensions of the fixed scroll and the movable scroll of the scroll compressor are changed, the weight of the motor rotor is also changed, and the balance weight of the system also needs to be adjusted and changed along with the change, but the original balance weight 5 is formed by precision casting and cannot adapt to the change of the system, so that the vibration of the scroll compressor is increased, and the noise is also increased.
SUMMERY OF THE UTILITY MODEL
The main object of the present invention is to solve the above problems and to provide a balance weight for a scroll compressor, which can increase or decrease the weight of the balance weight.
The utility model provides a balancing piece that is used for scroll compressor and can increase and decrease weight, includes electric motor rotor 1, motor shaft 2, goes up balancing piece 3 and balancing piece 4 down, 1 suit of electric motor rotor is on motor shaft 2, then vertical direction is installed in scroll compressor's casing, the up end of electric motor rotor 1, lower terminal surface are equipped with two waist shape lugs 11 respectively, upward all be equipped with two waist type holes 31 on balancing piece 3 and the balancing piece 4 down to on balancing piece 3 and the balancing piece 4 respectively the interference pressure equipment on the up end of electric motor rotor 1 and the waist shape lug 11 of terminal surface down through waist type hole 31.
The upper balance block 3 comprises a tile-shaped balance block 32, 1-3 balance pin holes 33 are formed in the tile-shaped balance block 32, and when weight reduction is needed, the geometric dimensions of the balance pin holes 33 are calculated according to the weight of the reduced weight; when the weight needs to be increased, a balance weight pin 34 is pressed in the balance weight pin hole 33 in an interference fit mode; the lower balance weight 4 has the same structure as the upper balance weight 3.
The weight pin hole 33 is allowed to be a through hole.
The weight pin hole 33 is allowed to be a blind hole.
The balance weight pin hole 33 is allowed to be a screw hole, and the balance weight pin 34 is in threaded connection with the balance weight pin hole 33.
The lower balance weight 4 comprises a lower balance weight pin hole, the structure of the lower balance weight pin hole is the same as that of the balance weight pin hole 33, and the number and the geometric dimension of the balance weight pin hole 33 of the upper balance weight 3 are the same as those of the lower balance weight pin hole of the lower balance weight 4.
The number and the geometric dimension of the weight pin holes 33 of the upper balance weight 3 and the lower balance weight 4 are allowed to be different.
The utility model has the beneficial technical effects that: the method of adding the balance weight pin hole on the upper balance weight and the lower balance weight realizes that the weight of the upper balance weight and the lower balance weight can be increased or decreased according to the requirement, thereby improving the stable operation of the scroll compressor, reducing the vibration and reducing the noise.
Drawings
Fig. 1 is a usage state diagram of the present invention.
Fig. 2 is a schematic view of an upper balance weight structure.
FIG. 3 is a cross-sectional view of an upper counterweight.
Fig. 4 is a diagram of a balancing block according to the second embodiment.
FIG. 5 is a diagram of a balancing block according to the third embodiment.
FIG. 6 is a schematic view of an original weight.
Number in the figure: the motor comprises a motor rotor 1, a waist-shaped projection 11, a motor shaft 2, an upper balance block 3, a waist-shaped hole 31, a tile-shaped balance block 32, a balance pin hole 33, a balance pin 34, a lower balance block 4 and an original balance block 5.
Detailed Description
The present invention will be further explained by embodiments with reference to the accompanying drawings.
Example one
Referring to fig. 1, a balancing block for a scroll compressor capable of increasing and decreasing weight includes a motor rotor 1, a motor shaft 2, an upper balancing block 3 and a lower balancing block 4, the motor rotor 1 is sleeved on the motor shaft 2 and then is installed in a casing of the scroll compressor in a vertical direction, two waist-shaped protrusions 11 are respectively arranged on an upper end surface and a lower end surface of the motor rotor 1, two waist-shaped holes 31 are respectively arranged on the upper balancing block 3 and the lower balancing block 4, and the upper balancing block 3 and the lower balancing block 4 are respectively press-fitted on the waist-shaped protrusions 11 on the upper end surface and the lower end surface of the motor rotor 1 in an interference manner through the waist-shaped holes 31.
Referring to fig. 2 and 3, the upper balance weight 3 includes a tile-shaped balance weight 32, a balance weight pin hole 33 is formed in the tile-shaped balance weight 32, and a balance weight pin 34 is press-fitted in the balance weight pin hole 33 in an interference manner; the lower balance weight 4 has the same structure as the upper balance weight 3.
Example two
Referring to fig. 4, two counterweight pin holes 33 are formed in the tile-shaped counterweight block 32 of the upper counterweight 3, the counterweight pin holes 33 are lightening holes, and the lower counterweight 4 and the upper counterweight 3 have the same structure.
EXAMPLE III
Referring to fig. 5, three weight pin holes 33 are formed in the tile-shaped weight 32 of the upper balance weight 3, the weight pin holes 33 are lightening holes, and the lower balance weight 4 and the upper balance weight 3 have the same structure.
The above description is not intended to limit the present invention in any way on its structure or shape. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention all still fall within the scope of the technical solution of the present invention.
Claims (6)
1. A balancing block capable of increasing and decreasing weight for a scroll compressor comprises a motor rotor (1), a motor shaft (2), an upper balancing block (3) and a lower balancing block (4), wherein the motor rotor (1) is sleeved on the motor shaft (2) and then is vertically installed in a shell of the scroll compressor, two waist-shaped convex blocks (11) are respectively arranged on the upper end surface and the lower end surface of the motor rotor (1), two waist-shaped holes (31) are respectively arranged on the upper balancing block (3) and the lower balancing block (4), and the upper balancing block (3) and the lower balancing block (4) are respectively arranged on the waist-shaped convex blocks (11) on the upper end surface and the lower end surface of the motor rotor (1) in an interference pressing mode through the waist-shaped holes (31);
the method is characterized in that: the upper balance block (3) comprises a tile-shaped balance block (32), 1-3 balance pin holes (33) are formed in the tile-shaped balance block (32), and when weight is required to be reduced, the geometric dimensions of the balance pin holes (33) are calculated according to the weight reduced; when the weight needs to be increased, a counterweight pin (34) is pressed in the counterweight pin hole (33) in an interference fit manner; the lower balance weight (4) and the upper balance weight (3) have the same structure.
2. The counterweight for a scroll compressor as recited in claim 1, wherein: the balance weight pin hole (33) is allowed to be a through hole.
3. The counterweight for a scroll compressor as recited in claim 1, wherein: the weight pin hole (33) is allowed to be a blind hole.
4. The counterweight for a scroll compressor as recited in claim 1, wherein: the balance weight pin hole (33) is allowed to be a screw hole, and the balance weight pin (34) is in threaded connection with the balance weight pin hole (33).
5. The counterweight for a scroll compressor as recited in claim 1, wherein: the lower balance weight (4) comprises a lower balance weight pin hole, the structure of the lower balance weight pin hole is the same as that of the balance weight pin hole (33), and the number and the geometric dimension of the balance weight pin hole (33) of the upper balance weight (3) are the same as those of the lower balance weight pin hole of the lower balance weight (4).
6. The counterbalance of claim 5, wherein the weight of the counterbalance is increased or decreased by a weight, and wherein: the number and the geometric dimension of the balance weight pin holes (33) of the upper balance weight (3) and the lower balance weight pin holes of the lower balance weight (4) are allowed to be different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020073215.7U CN211549985U (en) | 2020-01-14 | 2020-01-14 | Balance block capable of increasing and decreasing weight for scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020073215.7U CN211549985U (en) | 2020-01-14 | 2020-01-14 | Balance block capable of increasing and decreasing weight for scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211549985U true CN211549985U (en) | 2020-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020073215.7U Active CN211549985U (en) | 2020-01-14 | 2020-01-14 | Balance block capable of increasing and decreasing weight for scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211549985U (en) |
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2020
- 2020-01-14 CN CN202020073215.7U patent/CN211549985U/en active Active
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