CN203321828U - Rolling rotor compressor pump body structure and air conditioner - Google Patents
Rolling rotor compressor pump body structure and air conditioner Download PDFInfo
- Publication number
- CN203321828U CN203321828U CN201320320179XU CN201320320179U CN203321828U CN 203321828 U CN203321828 U CN 203321828U CN 201320320179X U CN201320320179X U CN 201320320179XU CN 201320320179 U CN201320320179 U CN 201320320179U CN 203321828 U CN203321828 U CN 203321828U
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- 238000005096 rolling process Methods 0.000 title claims abstract description 29
- 230000006835 compression Effects 0.000 claims description 23
- 238000007906 compression Methods 0.000 claims description 23
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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Abstract
The utility model provides a rolling rotor compressor pump body structure. The rolling rotor compressor pump body structure comprises a crankshaft, a first air cylinder, a second air cylinder, a first roller and a second roller, wherein the first roller is arranged in the first air cylinder, the second roller is arranged in the second air cylinder, and a first eccentric part matched with the first roller and a second eccentric part matched with the second roller are arranged on the crankshaft; the first air cylinder and the second air cylinder are adjacently arranged; the inner diameter of the first air cylinder is greater than that of the second air cylinder; the space between the first air cylinder and the second air cylinder is sealed by the first roller and the first eccentric part. The utility model also relates to an air conditioner adopting the pump body structure. The rolling rotor compressor pump body structure has the advantages that the structure is simple, the requirements on an assembly technology are low, a compressor works stably, as a middle division plate is eliminated, the height of the pump body is reduced, the distance between an upper flange and a lower flange is shortened, the rigidity of the crankshaft is improved, and the alleviation of vibration and the lowering of noise of the crankshaft are facilitated. After the pump body structure is applied to the air conditioner, the vibration of the air conditioner is small, and the noise of the air conditioner is low.
Description
Technical Field
The utility model relates to a refrigeration field especially relates to a no intermediate bottom's rolling rotor formula compressor pump body structure and air conditioner.
Background
According to the number of the cylinders, the rotary compressor can be divided into a single-cylinder compressor and a double-cylinder compressor, a crankshaft used by the single-cylinder compressor is a single-throw crankshaft and corresponds to one compression cavity, a crankshaft of the double-cylinder compressor is a double-throw crankshaft, each crank throw corresponds to one compression cavity, the two compression cavities form an angle of 180 degrees, each compression cavity is provided with a respective air suction and exhaust passage, and the pump body of the double-cylinder compressor needs two rolling rotors and two cylinders in terms of the number of parts. The double-cylinder compressor has two times of suction and exhaust in one circle of the rotor, so that the pressure fluctuation of gas is reduced, the change amplitude of the torque of the double-cylinder compressor is reduced and is only 30 percent of that of the single-cylinder compressor, so the vibration and the noise of the double-cylinder compressor are greatly improved, but the double-cylinder compressor also has some defects at present, the leakage is increased due to the increase of the fit clearance, so the negative influence on the performance is caused, and meanwhile, the assembly of the double-cylinder compressor is more complicated than that of a single-cylinder system, and the assembly of a pump body is a technology which is difficult to. The height of the pump body of the rolling rotor type double-stage compressor with the middle partition plate is higher than that of the middle partition plate; the distance between the two supporting journals of the upper flange and the lower flange is prolonged, so that the noise and vibration are not reduced. Meanwhile, the precision requirement of each part of the compressor is high, and an intermediate partition plate is added on the structure, so that the difficulty of the assembly process is increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a rolling rotor formula compressor pump body structure and air conditioner, its simple structure, the assembly degree of difficulty is little, operates steadily, and the noise is low. In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a rolling rotor formula compressor pump body structure, includes bent axle, first cylinder, second cylinder, arranges in first roller in the first cylinder and arranges in the second roller in the second cylinder, its characterized in that:
the crankshaft is provided with a first eccentric part matched with the first roller and a second eccentric part matched with the second roller;
the first cylinder and the second cylinder are arranged adjacently;
the inner diameter of the first cylinder is larger than that of the second cylinder;
the first cylinder and the second cylinder are sealed by the first roller and the first eccentric part.
Preferably, an exhaust port for exhausting air of the first cylinder is arranged on the cylinder body of the second cylinder;
the exhaust port is communicated with an air suction port of the second cylinder.
Preferably, an enthalpy increasing cavity is arranged on a cylinder body of the second cylinder and communicated with the exhaust port, and an opening at one end of the enthalpy increasing cavity is used as an air suction port of the second cylinder.
Preferably, the first cylinder and the second cylinder are both one-stage compression cylinders.
Preferably, the number of the first cylinders is two, and the number of the second cylinders is one;
or the number of the second cylinders is two, and the number of the first cylinders is one.
Preferably, the number of the first cylinder and the second cylinder is more than two.
Preferably, the first cylinder and the second cylinder are both one-stage compression cylinders.
Preferably, more than two first cylinders and second cylinders are connected in series to form multi-stage compression.
Preferably, the two end parts of the pump body structure are respectively provided with a first flange and a second flange which are used for penetrating through the crankshaft;
the pump body structure is sealed by the first and second flanges.
The air conditioner comprises a compressor, and the pump body structure of the compressor is a rolling rotor type compressor pump body structure with any technical characteristics.
The utility model has the advantages that:
the utility model discloses a rolling rotor formula compressor pump body structure and air conditioner, its simple structure, assembly process require lowly, and the compressor operates steadily, because there is not intermediate bottom, the pump body height reduces, and upper and lower flange interval reduces, and bent axle rigidity increases, is favorable to reducing the vibration and the noise of bent axle. The pump body structure is applied to the air conditioner, and the vibration of air conditioner is little, and the noise is low.
Drawings
FIG. 1 is the sectional view of the pump body structure of the rolling rotor compressor of the present invention
FIG. 2 is a schematic top view of the pump body structure shown in FIG. 1 without the first flange installed;
FIG. 3 is a perspective view of the first cylinder shown in FIG. 1;
FIG. 4 is a schematic front view of the crankshaft of FIG. 1;
wherein,
1, a crankshaft; 11 a first eccentric portion; 12 a second eccentric portion; 2 a first flange; 3 a first cylinder;
31 a first cylinder inner circle; 4 a second cylinder; 41 the inner circle of the second cylinder; 42 second cylinder intake port;
43 first cylinder exhaust; 44 an enthalpy increasing chamber; 5 a second flange; 6, covering the lower cover; 7 a second roller;
71 second roller outer circle; 8, compressing the cavity; 9 a first roller; 91 first roller outer circle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description is made in detail with reference to the accompanying drawings and embodiments of the present invention for a rolling rotor compressor pump structure and an air conditioner. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 to 4, an embodiment of a pump body structure of a rolling rotor compressor of the present invention includes a crankshaft 1, a first cylinder 3, a second cylinder 4, a first roller 9 disposed in the first cylinder 3, and a second roller 7 disposed in the second cylinder 4; as shown in fig. 2, wherein fig. 2 is a top view, the outer circle 91 of the first roller contacts with the inner circle 31 of the first cylinder, a crescent-shaped working chamber is formed in the first cylinder 3, the end of a sliding sheet (not shown) on the cylinder body of the first cylinder 3 is in close contact with the first roller 9 by the action force of a spring, the crescent-shaped working chamber is divided into two parts, namely a suction chamber and a compression chamber 8, the sliding sheet reciprocates along the sliding sheet channel along with the rolling of the first roller 9, so as to change the respective volumes of the suction chamber and the compression chamber 8, the outer circle 71 of the second roller contacts with the inner circle 41 of the second cylinder, and similarly, the suction chamber and the compression chamber 8 are also formed in the second cylinder 4.
The crankshaft 1 is provided with a first eccentric part 11 matched with the first roller 9 and a second eccentric part 12 matched with the second roller 7; namely, the first roller 9 is fixedly arranged on the first eccentric part 11, and the second roller 7 is arranged on the second eccentric part 12;
the first cylinder 3 and the second cylinder 4 are arranged adjacently, and the first cylinder 3 can be arranged at the upper part of the second cylinder 4 or at the lower part of the second cylinder 4;
the inner diameter of the first cylinder 3 is larger than that of the second cylinder 4, and the first roller 9 and the first eccentric portion 11 seal between the first cylinder 3 and the second cylinder 4. The sealing mode omits the traditional middle partition plate for sealing the two cylinders.
Preferably, as an embodiment, the cylinder body of the second cylinder 4 is provided with a first cylinder exhaust port 43 for exhausting the first cylinder 3;
the first cylinder exhaust port 43 is communicated with the second cylinder air suction port 42 of the second cylinder 4, so that the first cylinder 3 is compressed in one stage, and the second cylinder 4 is compressed in two stages; the first cylinder 3 exhausts air through a first cylinder exhaust port 43 opened on the second cylinder 4, and an air suction cavity of the second cylinder 4 functions as an enthalpy increasing function.
Preferably, the second cylinder 4 is provided with an enthalpy increasing chamber 44 having an enthalpy increasing function, the enthalpy increasing chamber 44 communicates with the first cylinder exhaust port 43, and one end of the enthalpy increasing chamber 44 is opened as the second cylinder intake port 42.
The pump body structure of this embodiment theory of operation is as follows: gas (or called refrigerant) is sucked from the liquid distributor through the air suction port of the first cylinder 3, first-stage compression (first-stage compression) is carried out in the first cylinder 3, the gas is compressed to a certain pressure and then enters the enthalpy increasing cavity 44 through the air discharge port 43 of the first cylinder, then enters the second cylinder 4 through the air suction port 42 of the second cylinder for second-stage compression, and the gas after the second-stage compression is discharged from the air discharge port of the second cylinder 4.
Of course, the first cylinder 3 and the second cylinder 4 can be both one-stage compression cylinders, so that the pump body structure is applied to a common single-stage double-cylinder compressor; i.e. the first cylinder 3 and the second cylinder 4 are connected in parallel in the refrigeration circuit.
The pump body structure can also be designed to be a case of three cylinders, wherein the number of the first cylinders 3 is two, and the number of the second cylinders 4 is one; or the number of the second cylinders 4 is two and the number of the first cylinders 3 is one.
The pump body structure can also be designed to be more than four cylinders, wherein the number of the first cylinders 3 and the second cylinders 4 is more than two. The first cylinder 3 and the second cylinder 4 are both primary compression cylinders, namely the first cylinder 3 and the second cylinder 4 are connected in parallel in a refrigeration pipeline;
or, the two or more first cylinders 3 and the second cylinders 4 are connected in series, so that the pump body structure forms multi-stage compression.
The two end parts of the pump body structure in the above embodiment are respectively provided with a first flange 2 (upper flange) and a second flange 5 (lower flange) for passing through the crankshaft 1; the upper end of the pump body structure is sealed by a first flange 2, the lower end is sealed by a second flange 5, and a lower cover 6 is further arranged on the periphery of the second flange 5 for convenient assembly.
Above-mentioned rolling rotor formula compressor pump body structure is used on the air conditioner, and wherein, the air conditioner includes the compressor, and the compressor is rolling rotor formula compressor, and the pump body structure of compressor is the pump body structure in above-mentioned embodiment, because the air conditioner except the pump body structure of compressor, other parts are prior art, no longer gives unnecessary details here one by one.
The pump body structure of the rolling rotor type compressor in the embodiment cancels the middle partition plate of the traditional two-stage compressor; the inner diameters of the upper cylinder and the lower cylinder are different; the sealing between the upper cylinder and the lower cylinder is realized by the end surface of a roller in the large cylinder and the end surface of the eccentric part of the crankshaft; the large cylinder performs primary compression, the small cylinder performs secondary compression, and a primary compression exhaust port is formed in the small cylinder; the large cylinder exhausts through an exhaust hole formed in the small cylinder; the air suction cavity of the small cylinder serves as an enthalpy increasing function; the enthalpy increasing cavity is formed in the cylinder body of the small cylinder, and one end of the enthalpy increasing cavity serves as an air suction port of the small cylinder and is directly communicated with the small cylinder. The structure is simple, the requirement on the assembly process is low, the compressor runs stably, the height of the pump body is reduced due to no intermediate partition plate, the distance between the upper flange and the lower flange is reduced, the rigidity of the crankshaft is increased, and the reduction of the vibration and the noise of the crankshaft is facilitated; meanwhile, the single-stage double-cylinder or multi-cylinder compressor can omit a middle clapboard. The pump body structure is applied to the air conditioner, and the air conditioner vibration is little, and the noise is low.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A rolling rotor formula compressor pump body structure, includes bent axle, first cylinder, second cylinder, arranges in first roller in the first cylinder and arranges in the second roller in the second cylinder, its characterized in that:
the crankshaft is provided with a first eccentric part matched with the first roller and a second eccentric part matched with the second roller;
the first cylinder and the second cylinder are arranged adjacently;
the inner diameter of the first cylinder is larger than that of the second cylinder;
the first cylinder and the second cylinder are sealed by the first roller and the first eccentric part.
2. The rolling rotor compressor pump body structure according to claim 1, characterized in that:
an exhaust port for exhausting the first cylinder is formed in the cylinder body of the second cylinder;
the exhaust port is communicated with an air suction port of the second cylinder.
3. The rolling rotor compressor pump body structure according to claim 2, characterized in that:
still set up on the cylinder body of second cylinder and increase the enthalpy chamber, increase the enthalpy chamber intercommunication the gas vent, the one end opening in enthalpy chamber is as the induction port of second cylinder.
4. The rolling rotor compressor pump body structure according to claim 1, characterized in that:
the first cylinder and the second cylinder are both one-stage compression cylinders.
5. The rolling rotor compressor pump body structure according to claim 1, characterized in that:
the number of the first cylinders is two, and the number of the second cylinders is one;
or the number of the second cylinders is two, and the number of the first cylinders is one.
6. The rolling rotor compressor pump body structure according to claim 1, characterized in that:
the number of the first cylinders and the number of the second cylinders are more than two.
7. The rolling rotor compressor pump body structure according to claim 6, wherein:
and the first cylinder and the second cylinder are two or more first-stage compression cylinders.
8. The rolling rotor compressor pump body structure according to claim 6, wherein:
and the first cylinder and the second cylinder are connected in series to form multi-stage compression.
9. Rolling rotor compressor pump body structure according to any one of claims 1 to 8, characterized in that:
a first flange and a second flange which are used for penetrating through the crankshaft are respectively arranged at two end parts of the pump body structure;
the pump body structure is sealed by the first and second flanges.
10. An air conditioner, includes the compressor, its characterized in that:
the pump body structure of the compressor is the pump body structure of the rolling rotor compressor in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320320179XU CN203321828U (en) | 2013-06-04 | 2013-06-04 | Rolling rotor compressor pump body structure and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320320179XU CN203321828U (en) | 2013-06-04 | 2013-06-04 | Rolling rotor compressor pump body structure and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203321828U true CN203321828U (en) | 2013-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320320179XU Expired - Lifetime CN203321828U (en) | 2013-06-04 | 2013-06-04 | Rolling rotor compressor pump body structure and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203321828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214099A (en) * | 2013-06-04 | 2014-12-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Rolling rotor compressor pump body structure and air conditioner |
| WO2018103476A1 (en) * | 2016-12-05 | 2018-06-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Air cylinder, pump body assembly, compressor, and temperature adjusting apparatus |
-
2013
- 2013-06-04 CN CN201320320179XU patent/CN203321828U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214099A (en) * | 2013-06-04 | 2014-12-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Rolling rotor compressor pump body structure and air conditioner |
| WO2018103476A1 (en) * | 2016-12-05 | 2018-06-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Air cylinder, pump body assembly, compressor, and temperature adjusting apparatus |
| US11105331B2 (en) | 2016-12-05 | 2021-08-31 | Green Refrigeration Equipment Engineering Research Center of Zhuhai Gree Co., Ltd | Cylinder, pump body assembly, compressor, and temperature adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20171215 |