CN1782432A - Bottom silencer structure of rotary double pressure cylinder compressor - Google Patents
Bottom silencer structure of rotary double pressure cylinder compressor Download PDFInfo
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- CN1782432A CN1782432A CN 200410093784 CN200410093784A CN1782432A CN 1782432 A CN1782432 A CN 1782432A CN 200410093784 CN200410093784 CN 200410093784 CN 200410093784 A CN200410093784 A CN 200410093784A CN 1782432 A CN1782432 A CN 1782432A
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- bottom silencer
- cylinder
- rotary double
- pressure cylinder
- double pressure
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Abstract
The present invention belongs to the field of compressor technology, and is lower silencer structure of rotary double cylinder compressor. The rotary double cylinder compressor has motor, rotating shaft, piston rotating eccentrically inside the cylinder, vanes moving radially and linearly between the sucking port and the exhaust port of the cylinder to suck, compress and exhaust refrigerant gas, and silencers set on the upper and the lower bearings. The lower silencer includes fixing and connecting hole for connecting and fixing the lower bearing seat and the lower cylinder, rotating shaft hole with circular flange, etc. and has raised strength, less deformation, closed matching with the lower bearing seat, less noise leakage, less inner cavity resonance, reduced compressor noise and raised compressor quality.
Description
Technical field
The invention belongs to the Compressor Technology field, relate to the muffler structure of rotary double pressure cylinder compression, particularly about the bottom silencer structure of the rotary double pressure cylinder compressor that changes the bottom silencer cavity shape.
Background technique
The rotary compressor that generally is applicable to air conditioner etc. be with running shaft that electric structure portion combines on eccentric rotary-piston in conjunction with compression structure part, rotary-piston is rotated motion and sucks, compresses, discharges refrigerant in the compression volume of circular cylinder.
Rotary double pressure cylinder compressor as shown in Figure 1 to Figure 3.
As shown in the figure, rotary double pressure cylinder compressor in the past is by stator 2 and rotor 3 that electric structure portion is set in casing 1 inside, and the center of its rotor 3 is pressed into running shaft 4, and the compression structure part that the bottom of running shaft 4 is provided with suction, pressurized gas refrigerant constitutes.
Compression structure part comprises the cylinder 5 that is fixed on casing 1 inner peripheral surface, and cylinder 5 comprises upper cylinder 5A and lower cylinder 5B and is arranged on upper cylinder 5A and the intermediate plate 9 of lower cylinder 5B centre; Be close to the upper and lower bi-side of cylinder, running shaft connects and supported upper bearing bracket 6A and step 6B simultaneously; Be arranged on the fixedly connected last baffler 11A in upper bearing bracket 6A top and be arranged on the bottom silencer 11B of fixedlying connected in step 6B bottom; Be connected rotation on the running shaft 4, and rotary-piston 7A, the 7B of eccentric rotation in cylinder; Be crimped on the outer circumferential face of rotary- piston 7A, 7B, when rotary-piston is rotated motion, do straight line motion, and cylinder is divided into the blade (not shown) that sucks space and compression volume; Be configured in casing 1 one sides, the gas-liquid separator 10 that is connected suction port 8A, the 8B of cylinder constitutes.
The rotary double pressure cylinder compressor working procedure was as follows in the past:
Promptly, make the inner rotation of rotor 3 for stator 2 power supplies at stator 2, meanwhile running shaft 4 rotates and rotary- piston 7A, 7B is at cylinder 5A, eccentric rotation in the 5B, off-centre rotation with rotary-piston, gas coolant is drawn into cylinder 5A, the suction space of 5B, and continue to be compressed to certain pressure, as cylinder 5A, the pressure of the compression volume of 5B surpasses critical pressure, than casing 1 internal pressure high moment, the drain tap that is installed in upper bearing bracket 6A and step 6B is opened, pressurized gas is discharged to casing 1 inside from compression volume, discharge gas and move to top, be discharged to the circulating frozen system through outlet pipe 14 by the slit of casing 1 and stator 2 or the slit of stator 2 and rotor 3.The noise of discharging the gas generation is enclosed in the space that forms between baffler and the bearing support by upper and lower baffler 11A, 11B.Bottom silencer 11B comprises the circle edge of outside formation flange, and the top is formed with the fixedly connected hole 12 and the inwardly dome formation of the rotation axis hole 13 of tab-like circular flange of fixedlying connected with step 6B and lower cylinder 5B.
But, in the bottom silencer structure of aforesaid rotary double pressure cylinder compressor in the past,, the part peripheral wall of bottom silencer forms because being straight line, and make its peripheral wall be easy to generate distortion, it is bad that baffler is combined with bearing support, causes noise leakage.Its inner space is big, causes resonance again easily, increases the noise of compressor, influences the credit worthiness of compressor.
Summary of the invention
The present invention provides a kind of bottom silencer structure that changes the rotary double pressure cylinder compressor of bottom silencer cavity shape for solving the technical problem that exists in the above-mentioned technology.
The technological scheme that the present invention takes for the technical problem that exists in the above-mentioned technology of solution is:
The bottom silencer structure of a kind of rotary double pressure cylinder compressor of the present invention, at motor, running shaft rotates and makes piston in the eccentric rotation of cylinder interior, and between the suction port of cylinder and relief opening, get involved off-centre rotation with piston, doing straight-line blade to radial direction sucks, compression, discharge refrigerant gas, and last, step is provided with in the rotary double pressure cylinder compressor of baffler, bottom silencer comprises outside formation flange circle edge, the top is formed with the fixedly connected hole of fixedlying connected with step and lower cylinder and the inside rotation axis hole of tab-like circular flange, is formed with the step part on the peripheral wall; The step part is equivalent to the thickness of lower bearing seat stand apart from the distance of circle edge; The internal diameter of circle edge is identical with the external diameter of step, and both realize drive fit; Bottom silencer is one time punching molded by steel plate.
Advantage and good effect that the present invention has are: the bottom silencer structure of rotary double pressure cylinder compressor of the present invention, be formed with the step part on the peripheral wall, improved the intensity of bottom silencer peripheral wall, reduced the distortion of internal diameter, it is tightr that bottom silencer is cooperated with step, prevents noise leakage, reduced inner chamber resonance, reduce the noise of compressor, improved the credit worthiness of product.
Description of drawings
Fig. 1 is a rotary double pressure cylinder compressor sectional arrangement drawing in the past;
Fig. 2 is the plan view of rotary double pressure cylinder compressor bottom silencer in the past;
Fig. 3 is Fig. 2 sectional view of rotary double pressure cylinder compressor bottom silencer A-A in the past;
Fig. 4 is the plan view of rotary double pressure cylinder compressor bottom silencer of the present invention;
Fig. 5 is the sectional view of Fig. 4 rotary double pressure cylinder compressor bottom silencer of the present invention B-B;
Main symbol description
1: casing 2: stator
3: rotor 4: running shaft
5: cylinder 5A: upper cylinder
5B: lower cylinder 6A: upper bearing bracket
6B: step 7A, 7B rotary-piston,
8A: go up suction port 8B: following suction port
9: intermediate plate 10: gas-liquid separator,
11A: go up baffler 11B: bottom silencer
12: fixedly connected hole 13: the rotation axis hole
111: step part 14: outlet pipe
112: circle edge
Embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Fig. 4 is the plan view of rotary double pressure cylinder compressor bottom silencer of the present invention, and Fig. 5 is the sectional view of Fig. 4 rotary double pressure cylinder compressor bottom silencer of the present invention B-B.The parts identical with conventional art use identical symbol
As shown in the figure, rotary double pressure cylinder compressor according to the present invention is by casing 1; The stator 2 and the rotor 3 of electric structure portion are set in casing inside, and the center of its rotor 3 is pressed into running shaft 4, and the compression structure part that the bottom of running shaft 4 is provided with suction, compression refrigeration gas constitutes.
Compression structure part comprises the cylinder 5 that is fixed on casing 1 inner peripheral surface, and cylinder 5 comprises top gas 5A and lower cylinder 5B and is arranged on upper cylinder 5A and the intermediate plate 9 of bottom gas 5B centre; Be close to the upper and lower bi-side of cylinder, running shaft connects and supported upper bearing bracket 6A and step 6B simultaneously; Be arranged on the fixedly connected last baffler 11A in upper bearing bracket 6A top and be arranged on the bottom silencer 11B of fixedlying connected in step 6B bottom; Be connected rotation on the running shaft 4, and rotary-piston 7A, the 7B of eccentric rotation in cylinder; Be crimped on the outer circumferential face of rotary- piston 7A, 7B, when rotary-piston is rotated motion, do straight line motion, and cylinder is divided into the blade (not shown) that sucks space and compression volume; Be configured in casing 1 one sides, the gas-liquid separator 10 that is connected suction port 8A, the 8B of cylinder constitutes.
Rotary double pressure cylinder compressor working procedure of the present invention is as follows:
Promptly, make the inner rotation of rotor 3 for stator 2 power supplies at stator 2, meanwhile running shaft 4 rotates and rotary- piston 7A, 7B is at cylinder 5A, eccentric rotation in the 5B, off-centre rotation with rotary-piston, gas coolant is drawn into cylinder 5A, the suction space of 5B, and continue to be compressed to certain pressure, as cylinder 5A, the pressure of the compression volume of 5B surpasses critical pressure, than casing 1 internal pressure high moment, the drain tap that is installed in upper bearing bracket 6A and step 6B is opened, pressurized gas is discharged to casing 1 inside from compression volume, discharge gas and move to top, be discharged to the circulating frozen system through outlet pipe 14 by the slit of casing 1 and stator 2 or the slit of stator 2 and rotor 3.The noise of discharging the gas generation is enclosed in the space that forms between baffler and the bearing support by upper and lower baffler 11A, 11B.
Rotary double pressure cylinder compressor bottom silencer 11B of the present invention comprises the circle edge of outside formation flange, and the top is formed with the fixedly connected hole 12 and the inwardly dome formation of the rotation axis hole 13 of tab-like circular flange of fixedlying connected with step 6B and lower cylinder 5B.Be formed with step part 111 on the peripheral wall; The step part is equivalent to the thickness of lower bearing seat stand apart from the distance of circle edge; The internal diameter of circle edge 112 is identical with the external diameter of step 6B, and both realize drive fit; Bottom silencer 11B is by steel plate punching press once-through.Bottom silencer 11B and step 6B are fixedly connected on the lower cylinder 5B by fixedly connected hole 12 with bolt, simultaneously, inwardly the bottom silencer of tab-like circular flange rotation axis hole 13 is pushed down the bottom that step 6B rotates axis hole, makes running shaft 4 place bottom silencer rotation axis hole 13.
Claims (4)
1. the bottom silencer structure of a rotary double pressure cylinder compressor, at motor, running shaft rotates and makes piston in the eccentric rotation of cylinder interior, and between the suction port of cylinder and relief opening, get involved off-centre rotation with piston, doing straight-line blade to radial direction sucks, compression, discharge refrigerant gas, and last, step is provided with in the rotary double pressure cylinder compressor of baffler, bottom silencer comprises outside formation flange circle edge, and the top is formed with the fixedly connected hole of fixedlying connected with step and lower cylinder and the inside rotation axis hole of tab-like circular flange; It is characterized in that: be formed with the step part on the peripheral wall.
2. the bottom silencer structure of rotary double pressure cylinder compressor according to claim 1, it is characterized in that: the step part is equivalent to the thickness of lower bearing seat stand apart from the distance at bottom silencer circle edge flange place.
3. the bottom silencer structure of rotary double pressure cylinder compressor according to claim 2, it is characterized in that: the internal diameter of bottom silencer circle edge is identical with the external diameter of step, and both realize drive fit;
4, the bottom silencer structure of rotary double pressure cylinder compressor according to claim 1, it is characterized in that: bottom silencer is one time punching molded by steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410093784 CN1782432A (en) | 2004-11-30 | 2004-11-30 | Bottom silencer structure of rotary double pressure cylinder compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410093784 CN1782432A (en) | 2004-11-30 | 2004-11-30 | Bottom silencer structure of rotary double pressure cylinder compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1782432A true CN1782432A (en) | 2006-06-07 |
Family
ID=36772943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410093784 Pending CN1782432A (en) | 2004-11-30 | 2004-11-30 | Bottom silencer structure of rotary double pressure cylinder compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1782432A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101878368B (en) * | 2007-11-28 | 2013-06-05 | 大金工业株式会社 | Seal structure and compressor |
| CN103452855A (en) * | 2013-09-03 | 2013-12-18 | 广东美芝精密制造有限公司 | Rotary compressor |
| CN105351196A (en) * | 2014-08-21 | 2016-02-24 | 洛阳中方实业有限公司 | Miniature refrigeration compressor |
| CN106224207A (en) * | 2016-09-22 | 2016-12-14 | 安徽美芝制冷设备有限公司 | Compressor and cylinder head assembly thereof |
-
2004
- 2004-11-30 CN CN 200410093784 patent/CN1782432A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101878368B (en) * | 2007-11-28 | 2013-06-05 | 大金工业株式会社 | Seal structure and compressor |
| CN103452855A (en) * | 2013-09-03 | 2013-12-18 | 广东美芝精密制造有限公司 | Rotary compressor |
| CN105351196A (en) * | 2014-08-21 | 2016-02-24 | 洛阳中方实业有限公司 | Miniature refrigeration compressor |
| CN106224207A (en) * | 2016-09-22 | 2016-12-14 | 安徽美芝制冷设备有限公司 | Compressor and cylinder head assembly thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |