CN214787996U - Low wind resistance balancing block for rotor, rotor assembly and compressor - Google Patents
Low wind resistance balancing block for rotor, rotor assembly and compressor Download PDFInfo
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- CN214787996U CN214787996U CN202022568536.7U CN202022568536U CN214787996U CN 214787996 U CN214787996 U CN 214787996U CN 202022568536 U CN202022568536 U CN 202022568536U CN 214787996 U CN214787996 U CN 214787996U
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- rotor
- base
- boss
- compressor
- wind resistance
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims abstract description 11
- 239000004411 aluminium Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model belongs to the technical field of the compressor, specifically a low windage balancing piece, rotor subassembly and compressor for rotor, the balancing piece wholly is the arc structure, and the base height of balancing piece highly flushes with rotor cast aluminium top, is equipped with the boss on the base of balancing piece, and boss and base formula structure as an organic whole, boss be curved fin formula structure, and the windward side at boss both ends is fillet or arc transition; the mounting hole has been seted up at the base both ends, and rotor centre of a circle plane is crossed at the mounting hole center, the utility model discloses a fin formula boss balancing piece, fin structure can reduce rotatory windage by a wide margin, reduces wind and makes an uproar. And meanwhile, the resistance improvement performance can be reduced.
Description
Technical Field
The utility model relates to a compressor technical field specifically is a low windage balancing piece, rotor subassembly and compressor for rotor.
Background
When the rotor compressor works, the balance block protruding out of the rotor can generate wind noise when rotating, the power of the motor is influenced by overlarge wind resistance, and the overall performance of the compressor is influenced by the shape design of the balance block.
There is therefore a need for a counterweight that reduces wind noise and improves compressor performance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a low windage balancing piece, rotor subassembly and compressor for rotor can reduce the windward area of balancing piece when the rotor is rotatory, reduces consumption and noise.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a low wind resistance balance block for a rotor comprises a base and a boss, wherein the balance block is integrally of an arc-shaped structure, the base is embedded and installed at one end of rotor cast aluminum, the height of the base is flush with the top height of the rotor cast aluminum, the boss and the base are of an integrated structure, and the boss is of an arc-shaped fin structure; mounting holes are formed in the two ends of the base.
Furthermore, the two ends of the boss are windward surfaces, and the windward surfaces and the surface of the base are in smooth transition, so that air flow can smoothly pass through the windward surfaces, and turbulent flow is avoided.
Furthermore, the included angle between the windward side of the boss and the surface of the base is A degrees, and the range value of A degrees is more than or equal to 0 degrees and less than or equal to 90 degrees.
Furthermore, the distance L between the side end surface of the base and the circle center plane of the rotor is not more than 1/2R, and R is the radius of the rotor.
Under the condition of simultaneously meeting three conditions of smooth transition of the windward side, included angle and distance between the side end surface and the circular plane of the rotor, the size of the protruded fin can be reduced to the minimum
Furthermore, the center of the mounting hole passes through the circle center plane of the rotor, and the mounting hole is preferably fixed by adopting a cast aluminum rivet structure, and can also adopt other fixing modes such as a screw hole and the like.
Furthermore, the outer diameter of the boss is less than or equal to that of the base.
The counterweight is made of structural steel or other relatively low cost material for cost considerations, and may be made of copper or other material denser than aluminum for performance quality priority.
The balance weight can be integrally cast. The manufacturing process is flexible and simple, the cost is low, and the industrial practicability is strong.
The balance block can keep the same plane with the rotor cast aluminum without a boss structure of the balance block under the condition of meeting the balance; the secondary balance block at the bottom of the rotor can also adopt the same embedded cast aluminum structure, so that the wind resistance is further reduced.
The rotor assembly adopts the low wind resistance balancing block for the rotor.
The rotor of the compressor adopts the low wind resistance balancing block for the rotor.
Advantageous effects
The utility model provides a low windage balancing piece for rotor, balancing piece adopt fin formula boss balancing piece, and the fin structure can reduce rotatory windage by a wide margin, reduces wind and makes an uproar. And meanwhile, the resistance improvement performance can be reduced.
Drawings
The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.
FIG. 1 is a low windage counterweight for a rotor of the present invention;
FIG. 2 is a schematic view of the installation structure of the balance block and the rotor of the present invention;
FIG. 3 is a side view of the balance block and rotor mounting structure of the present invention;
fig. 4 is a schematic view of the structure of the rotor without the boss of the present invention.
Reference numerals: 1-base, 101-mounting hole, 2-boss, 201-fin type structure, 3-rotor cast aluminum and 4-secondary balance block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive step are within the scope of the present invention.
Example 1: a low windage counterbalance for a rotor.
As shown in fig. 1-3, the present embodiment provides a low wind resistance balancing block for a rotor, the balancing block includes a 1-base and a 2-boss, the balancing block is integrally formed in an arc shape, the 1-base is embedded and installed at one end of a 3-rotor cast aluminum, the height of the 1-base is flush with the top height of the 3-rotor cast aluminum, the 2-boss and the 1-base are integrally formed, and the 2-boss is formed in an arc 201-fin structure; and (1) 101-mounting holes are formed at two ends of the base.
The two ends of the 2-boss are windward surfaces, and the windward surfaces and the surface of the 1-base are in smooth transition, so that air flow can smoothly pass through the windward surfaces, and turbulence is not formed.
The included angle between the windward side of the 2-boss and the surface of the 1-base is A degree, and the A degree is 30 degrees.
The distance L between the side end surface of the 1-base and the circle center plane of the rotor is not more than 1/2R, and R is the radius of the rotor.
Under the condition of simultaneously meeting three conditions of smooth transition of the windward side, included angle and distance between the side end surface and the circular plane of the rotor, the size of the protruded fin can be reduced to the minimum
The center of the 101-mounting hole passes through the circle center plane of the rotor, and the 101-mounting hole is preferably fixed by adopting a cast aluminum rivet structure.
The outer diameter of the 2-lug boss is less than or equal to 1-the outer diameter of the base.
The balance weight is made of structural steel in consideration of cost.
The balance weight can be integrally cast. The manufacturing process is flexible and simple, the cost is low, and the industrial practicability is strong.
The rotor assembly adopts the low wind resistance balancing block for the rotor.
The rotor of the compressor adopts the low wind resistance balancing block for the rotor.
Example 2: low wind resistance balance block for rotor
As shown in fig. 4: the balance block can be kept on the same plane with the 3-rotor cast aluminum without a 2-boss structure of the balance block under the condition of meeting the balance; the 4-time balance block at the bottom of the rotor can also adopt the same embedded cast aluminum structure, thereby further reducing the wind resistance.
Example 3: a low windage counterbalance for a rotor.
The embodiment provides a low wind resistance balancing block for a rotor, which comprises a 1-base and a 2-boss, wherein the balancing block is integrally of an arc-shaped structure, the 1-base is embedded and installed at one end of 3-rotor cast aluminum, the height of the 1-base is flush with the top height of the 3-rotor cast aluminum, the 2-boss and the 1-base are of an integral structure, and the 2-boss is of an arc-shaped 201-fin type structure; and (1) 101-mounting holes are formed at two ends of the base.
The two ends of the 2-boss are windward surfaces, and the windward surfaces and the surface of the 1-base are in smooth transition, so that air flow can smoothly pass through the windward surfaces, and turbulence is not formed.
The included angle between the windward side of the 2-boss and the surface of the 1-base is A degree, and the A degree is 60 degrees.
The distance L between the side end surface of the 1-base and the circle center plane of the rotor is not more than 1/2R, and R is the radius of the rotor.
Under the condition of simultaneously meeting three conditions of smooth transition of the windward side, included angle and distance between the side end surface and the circular plane of the rotor, the size of the protruded fin can be reduced to the minimum
The center of the 101-mounting hole passes through the circle center plane of the rotor, and the 101-mounting hole is preferably fixed by adopting a screw structure.
The outer diameter of the 2-lug boss is less than or equal to 1-the outer diameter of the base.
The balance weight is made of copper in consideration of cost.
The balance weight can be integrally cast. The manufacturing process is flexible and simple, the cost is low, and the industrial practicability is strong.
Example 4: as shown in fig. 2-3: a rotor assembly, the rotor assembly adopts the low wind resistance balancing block.
Example 5: the compressor rotor of the compressor adopts the low wind resistance balancing block.
Example 6: low wind resistance balance block for rotor
The embodiment provides a low wind resistance balancing block for a rotor, which comprises a 1-base and a 2-boss, wherein the balancing block is integrally of an arc-shaped structure, the 1-base is embedded and installed at one end of 3-rotor cast aluminum, the height of the 1-base is flush with the top height of the 3-rotor cast aluminum, the 2-boss and the 1-base are of an integral structure, and the 2-boss is of an arc-shaped 201-fin type structure; and (1) 101-mounting holes are formed at two ends of the base.
In this embodiment, an opening is formed in the middle of the 201-fin type structure, and the bottom surface of the opening is a 1-base surface, that is, the original 201-fin type structure is divided into two equal-length fin structures, and both ends of each fin structure are cut in a smooth transition mode.
The two ends of the 2-boss are windward surfaces, and the windward surfaces and the surface of the 1-base are in smooth transition, so that air flow can smoothly pass through the windward surfaces, and turbulence is not formed.
The included angle between the windward side of the 2-boss and the surface of the 1-base is A degree, and the A degree is 60 degrees.
The distance L between the side end surface of the 1-base and the circle center plane of the rotor is not more than 1/2R, and R is the radius of the rotor.
Under the condition of simultaneously meeting three conditions of smooth transition of the windward side, included angle and distance between the side end surface and the circular plane of the rotor, the size of the protruded fin can be reduced to the minimum
The center of the 101-mounting hole passes through the circle center plane of the rotor, and the 101-mounting hole is preferably fixed by adopting a screw structure.
The outer diameter of the 2-lug boss is less than or equal to 1-the outer diameter of the base.
The balance weight is made of copper in consideration of cost.
The balance weight can be integrally cast. The manufacturing process is flexible and simple, the cost is low, and the industrial practicability is strong.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. A low wind resistance balance block for a rotor is characterized by comprising a base and a boss, wherein the balance block is integrally of an arc-shaped structure, the base is embedded into one end of rotor cast aluminum, the height of the base is flush with the top height of the rotor cast aluminum, the boss and the base are of an integrated structure, and the boss is of an arc-shaped fin structure; mounting holes are formed in the two ends of the base.
2. The balance weight of claim 1, wherein the two ends of the boss are windward and the windward side is in smooth transition with the surface of the base.
3. A low windage balance for a rotor as claimed in claim 2 wherein the angle between the windward side of the boss and the surface of the base is a ° and a ° is in the range 0 ° to 90 °.
4. The balance weight for a rotor of claim 1, wherein the distance L between the side end surface of the base and the center plane of the rotor is not more than 1/2R, and R is the radius of the rotor.
5. The low windage counterweight of claim 1 wherein the mounting hole is centered over the rotor centerplane.
6. The low windage counterbalance according to claim 1 wherein the boss outer diameter is less than or equal to the base outer diameter.
7. A rotor assembly, characterised in that the rotor assembly employs a low windage counterweight for a rotor according to any of claims 1 to 6.
8. A compressor, characterized in that the rotor of the compressor adopts a low wind resistance balance block for the rotor according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022568536.7U CN214787996U (en) | 2020-11-09 | 2020-11-09 | Low wind resistance balancing block for rotor, rotor assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022568536.7U CN214787996U (en) | 2020-11-09 | 2020-11-09 | Low wind resistance balancing block for rotor, rotor assembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214787996U true CN214787996U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022568536.7U Active CN214787996U (en) | 2020-11-09 | 2020-11-09 | Low wind resistance balancing block for rotor, rotor assembly and compressor |
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| CN (1) | CN214787996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628144A (en) * | 2020-11-09 | 2021-04-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Low wind resistance balancing block for rotor, rotor assembly and compressor |
-
2020
- 2020-11-09 CN CN202022568536.7U patent/CN214787996U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628144A (en) * | 2020-11-09 | 2021-04-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Low wind resistance balancing block for rotor, rotor assembly and compressor |
| CN112628144B (en) * | 2020-11-09 | 2025-02-28 | 珠海格力节能环保制冷技术研究中心有限公司 | A low wind resistance balance block for a rotor, a rotor assembly and a compressor |
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