CN202326090U - Exhaust silencing structure for compressors - Google Patents
Exhaust silencing structure for compressors Download PDFInfo
- Publication number
- CN202326090U CN202326090U CN2011204551310U CN201120455131U CN202326090U CN 202326090 U CN202326090 U CN 202326090U CN 2011204551310 U CN2011204551310 U CN 2011204551310U CN 201120455131 U CN201120455131 U CN 201120455131U CN 202326090 U CN202326090 U CN 202326090U
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- chamber
- exhaust
- silencing
- cavity
- noise
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Abstract
The utility model provides an exhaust silencing structure for compressors, which is good in tightness; by using the exhaust silencing structure for compressors, the exhaust pulsation can be reduced more effectively, and the integral structure of a compressor can be relatively compact; and the exhaust silencing structure for the compressors is arranged between an exhaust cavity and an exhaust outlet of the compressor. The exhaust silencing structure comprises an exhaust silencing cavity formed on a cylinder body; and the exhaust silencing structure is characterized in that the structure also comprises an exhaust silencing cavity form on a cylinder cover and an intercommunicating hole arranged on a valve plate component, and the intercommunicating hole connects the exhaust silencing cavity on the cylinder body and the exhaust silencing cavity on the cylinder cover.
Description
Technical field
The utility model relates to the structure in the compressor, relates in particular to the compressor air-discharging noise-reducing structure.
Background technique
U.S. Pat 5899670 discloses a kind of noise-reducing structure of compressor; As shown in Figure 1; Former and later two cylinder body combination backs of compressor form silencing cavity 42, and silencing cavity comprises bigger chamber of volume 44 and the less chamber 45 of volume, and pressurized gas is discharged to the bigger chamber of volume 44 from exhaust cavity; Get into the less chamber 45 of volume through the restriction between two chambeies 43 again, discharge from relief opening 48 at last.
The effect in exhaust noise silencing chamber is to reduce exhaust pulsation, and the exhaust pulsation can be more effectively reflected and disturbed in two chambeies that volume is different and the setting of restriction, so can reduce pulsation to a greater degree.But the claimant finds such compressor and has the problem of leaking.
The model utility content
One purpose of the utility model is to provide a kind of compressor air-discharging noise-reducing structure that can more effectively reduce the exhaust pulsation.
Another purpose of the utility model is to provide a kind of sealing good compression machine exhaust noise silencing structure.
The another purpose of the utility model is to provide the compressor air-discharging noise-reducing structure that makes the compressor overall structure compact.
For realizing the compressor air-discharging noise-reducing structure of said purpose; Be arranged between the exhaust cavity and exhaust port of compressor; Comprise the exhaust noise silencing chamber that is formed on the cylinder body, be characterized in, also comprise the exhaust noise silencing chamber that is formed on the cylinder cap; Be arranged on the intercommunicating pore on the plate member, said exhaust noise silencing chamber on the intercommunicating pore connection cylinder body and the said exhaust noise silencing chamber on the cylinder cap.
Described compressor air-discharging noise-reducing structure, its further characteristics are that said silencing cavity on the cylinder body and the said exhaust noise silencing chamber on the cylinder cap have the same bolted bolt hole of confession.
Described compressor air-discharging noise-reducing structure; Its further characteristics are; In the said exhaust noise silencing chamber on the cylinder body, form restriction between the inwall in the exhaust noise silencing chamber that the wall portion of bolt hole is relative with it, this restriction is divided into first chamber and second chamber with the exhaust noise silencing chamber; In the said exhaust noise silencing chamber on the cylinder cap, form restriction between the wall portion of the bolt hole exhaust noise silencing cavity wall relative with it, this restriction is divided into the 3rd chamber and the 4th chamber with the exhaust noise silencing chamber.
Described compressor air-discharging noise-reducing structure, its further characteristics be, the volume in said first chamber and said second chamber about equally, the volume in said the 3rd chamber and said the 4th chamber is about equally.
Described compressor air-discharging noise-reducing structure, its further characteristics be, said exhaust cavity is connected through the exhaust passage with said first chamber, and said intercommunicating pore connects said second chamber and said the 3rd chamber, and said the 4th chamber is connected with said exhaust port.
Described compressor air-discharging noise-reducing structure, its further characteristics be, compressor is a bi-directional swash plate type compressor, and the cylinder cap that is provided with silencing cavity is a back cylinder cover.
Described compressor air-discharging noise-reducing structure, its further characteristics are that the volume of the silencing cavity on the cylinder body is greater than the volume of the silencing cavity on the cylinder cap.
The utility model is located at silencing cavity on cylinder body and the cylinder cap, and the route between from the exhaust cavity to the exhaust port increases, and the probability that gas is reflected increases, and pulsation reduces.
Because the spacing between near the bolt the setting of silencing cavity, silencing cavity is bigger, and this bolt is used for fastening cylinder body and cylinder cap, excessive causing easily of spacing leaks.The utility model can have the same bolted bolt hole of confession with said silencing cavity and the said exhaust noise silencing chamber on the cylinder cap that bolt connects on the cylinder body, and therefore, fitting closely in the mating face at silencing cavity place, can not have leakage.
The position of bolton is located at the silencing cavity neutral position, makes that the suffered impact force of the silencing cavity wall portion of its both sides is close, and the sealing condition of sealing both sides is comparatively balanced.
Discharge gas and be discharged from after through four chambeies, by two restriction and three throttlings of intercommunicating pore, pulsation further reduces in this process.
Changed the outstanding shape in the compressor casing outside, seen cylinder body and the equal micro-evagination of cylinder cap from outer shape, reduced external diameter, compressor is compacter, assembles more flexible.
Description of drawings
Fig. 1 is the schematic representation of the noise-reducing structure of existing compressor.
Fig. 2 is the sectional view that is used for the bi-directional swash plate type compressor of Vehicular air-conditioning apparatus, and is plan view.
Fig. 3 is the schematic top plan view for compressor.
Fig. 4 is the R-R sectional view of rear-bank rotor housing 3 among Fig. 2.
Fig. 5 is the left view of back cylinder cover 15 among Fig. 2.
Embodiment
Fig. 2 shows it is the sectional view that is used for the existing bi-directional swash plate type compressor of Vehicular air-conditioning apparatus.Have a pair of front-bank rotor housing 2 and rear-bank rotor housing 3, bolt 16 is with front-bank rotor housing 2 and rear-bank rotor housing 3 and tight, and the inside of front-bank rotor housing 2 and rear-bank rotor housing 3 forms crankshaft cavity 40.Live axle 1 runs through swash plate 5, forward thrust bearing 6A, back thrust-bearing 6B, and the swash plate opposite end of thrust-bearing 6A, 6B is supported by front-bank rotor housing 2 and rear-bank rotor housing 3 respectively.When bolt 16 passes protecgulum 14, front-bank rotor housing 2, rear-bank rotor housing 3 and penetrates bonnet 15 again and when tightening, the forward and backward stationary face of front-bank rotor housing 2, rear-bank rotor housing 3 clamps the swash plate between forward thrust bearing 6A, back thrust-bearing 6B and thrust-bearing 6A, 6B 5.Forward and backward lid 14,15 is respectively equipped with air aspiration cavity 32 and exhaust cavity 31.When live axle 1 drive swash plate 5 rotated, a plurality of pistons 17 on the swash plate 5 were reciprocating, and refrigeration agent is sucked cylinder 30, will compress the back and discharge cylinder 30.
Fig. 2 is the plan view of compressor, and Fig. 3 is the schematic top plan view of compressor.When front and rear cylinder 6A, 6B merging, front and rear cylinder 6A, the last groove opposite of 6B are combined to form silencing cavity 35.Forward and backward exhaust passage 33,34 is opened in front and rear cylinder 6A, 6B is last, and is parallel with live axle 1.Fig. 4 is the R-R sectional view of rear-bank rotor housing 3 among Fig. 2; As shown in Figure 4, silencing cavity 35 outsides are provided with bolt 18, and the wall portion 25 of bolt hole is projecting inward towards silencing cavity 35; Form restriction 350 between the inwall 351 of the silencing cavity 35 relative with it; Restriction 350 is divided into the first chamber 35A and the second chamber 35B with silencing cavity 35, and the first chamber 35A is connected with two exhaust passages 33,34, and the volume of two chamber 35A, 35B about equally.
Fig. 5 is the left view of back cylinder cover 15 among Fig. 2.Back cylinder cover 15 is provided with recessed backward silencing cavity 36, and it is radially aimed at cylinder body side silencing cavity 35 with circumferential position.Plate member comprises the sealing gasket of valve plate and valve plate both sides, is folded in cylinder body 2,3 and cylinder cap 14, between 15.In silencing cavity 36 positions, the shape of plate member is identical with silencing cavity 36, forms intercommunicating pore 24 on the plate member, connects the silencing cavity 35,36 of cylinder body side and cylinder cap side.The wall portion 26 of bolt hole is projecting inward towards silencing cavity 36; Form restriction 360 between the inwall 361 of the silencing cavity 36 relative with it; Restriction 360 is divided into the 3rd chamber 36A and the 4th chamber 36B with silencing cavity; The 3rd chamber 36A is connected with intercommunicating pore 24, and the other end of through hole 24 connects the second chamber 35B, and the volume of the 3rd chamber 36A and the 4th chamber 36B about equally.The 4th chamber 36B connects exhaust port 27.
The refrigeration agent of discharging from cylinder gets into forward and backward exhaust cavity 31; Pass through the forward and backward exhaust passage 33,34 that is connected respectively with two exhaust cavitys 31; Get into the silencing cavity 35 on the cylinder body 2,3, the silencing cavity 36 that gets on the bonnet 15 through intercommunicating pore 24 is then discharged compressor through exhaust port 27 at last.Flow direction F1 in the silencing cavity 35 of gas on cylinder body 2,3 from the first chamber 35A to the second chamber 35B, the flow direction F2 in the silencing cavity 36 of gas on bonnet 15 from the 3rd chamber 36A to the 4th chamber 36B.
Be equipped with bolt 16 between each cylinder 30; The screwing force of bolt 16 can make cylinder body 2, between 3, cylinder body 2,3 and cylinder cap 14, approximal surface is adjacent between 15, prevents that when compressor operating the air pressure in the cylinder is too high and from leaking into the compressor outside between the approximal surface.In silencing cavity 35,36 neutral positions bolt 18 is set, strengthens approximal surface fastening between silencing cavity 35A, 36A and silencing cavity 35B, the 36B, prevent that silencing cavity 35,36 interior pressurized gas from leaking from approximal surface.
Because the wall portion 25,26 of bolt hole is projecting inward to silencing cavity 35,36, has formed restriction 350,360, make the exhaust pulsation further reduce.
Claims (7)
1. compressor air-discharging noise-reducing structure; Be arranged between the exhaust cavity and exhaust port of compressor; Comprise the exhaust noise silencing chamber that is formed on the cylinder body, it is characterized in that, also comprise the exhaust noise silencing chamber that is formed on the cylinder cap; Be arranged on the intercommunicating pore on the plate member, said exhaust noise silencing chamber on the intercommunicating pore connection cylinder body and the said exhaust noise silencing chamber on the cylinder cap.
2. compressor air-discharging noise-reducing structure as claimed in claim 1 is characterized in that, there is the same bolted bolt hole of confession in said silencing cavity on the cylinder body and the said exhaust noise silencing chamber on the cylinder cap.
3. compressor air-discharging noise-reducing structure as claimed in claim 2; It is characterized in that; In the said exhaust noise silencing chamber on the cylinder body, form restriction between the inwall in the exhaust noise silencing chamber that the wall portion of bolt hole is relative with it, this restriction is divided into first chamber and second chamber with the exhaust noise silencing chamber; In the said exhaust noise silencing chamber on the cylinder cap, form restriction between the wall portion of the bolt hole exhaust noise silencing cavity wall relative with it, this restriction is divided into the 3rd chamber and the 4th chamber with the exhaust noise silencing chamber.
4. compressor air-discharging noise-reducing structure as claimed in claim 3 is characterized in that, the volume in said first chamber and said second chamber about equally, the volume in said the 3rd chamber and said the 4th chamber is about equally.
5. compressor air-discharging noise-reducing structure as claimed in claim 3 is characterized in that, said exhaust cavity is connected through the exhaust passage with said first chamber, and said intercommunicating pore connects said second chamber and said the 3rd chamber, and said the 4th chamber is connected with said exhaust port.
6. compressor air-discharging noise-reducing structure as claimed in claim 1 is characterized in that compressor is a bi-directional swash plate type compressor, and the cylinder cap that is provided with silencing cavity is a back cylinder cover.
7. compressor air-discharging noise-reducing structure as claimed in claim 1 is characterized in that the volume of the silencing cavity on the cylinder body is greater than the volume of the silencing cavity on the cylinder cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204551310U CN202326090U (en) | 2011-11-16 | 2011-11-16 | Exhaust silencing structure for compressors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204551310U CN202326090U (en) | 2011-11-16 | 2011-11-16 | Exhaust silencing structure for compressors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326090U true CN202326090U (en) | 2012-07-11 |
Family
ID=46438072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204551310U Expired - Fee Related CN202326090U (en) | 2011-11-16 | 2011-11-16 | Exhaust silencing structure for compressors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326090U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948422A (en) * | 2014-03-27 | 2015-09-30 | 株式会社丰田自动织机 | Compressor |
| CN105201774A (en) * | 2015-10-14 | 2015-12-30 | 合肥达因汽车空调有限公司 | Low-noise rotating inclined disc type compressor |
| CN106949034A (en) * | 2017-04-12 | 2017-07-14 | 合肥达因汽车空调有限公司 | A kind of low oil consumption, the swash-plate-type compressor of low noise |
-
2011
- 2011-11-16 CN CN2011204551310U patent/CN202326090U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948422A (en) * | 2014-03-27 | 2015-09-30 | 株式会社丰田自动织机 | Compressor |
| CN105201774A (en) * | 2015-10-14 | 2015-12-30 | 合肥达因汽车空调有限公司 | Low-noise rotating inclined disc type compressor |
| CN105201774B (en) * | 2015-10-14 | 2017-04-26 | 合肥达因汽车空调有限公司 | Low-noise rotating inclined disc type compressor |
| CN106949034A (en) * | 2017-04-12 | 2017-07-14 | 合肥达因汽车空调有限公司 | A kind of low oil consumption, the swash-plate-type compressor of low noise |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Shanghai City 200025 Madang Road No. 347 Patentee after: SANDEN HUAYU AUTOMOTIVE AIR-CONDITIONING CO., LTD. Address before: 200025 Shanghai City, Luwan District Shanghai City Madang Road No. 347 Patentee before: Sandian Beier Automobile Air-Conditioner Co., Ltd., Shanghai |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20181116 |