CN201818464U - Exhaust structure and piston compressor provided with same - Google Patents
Exhaust structure and piston compressor provided with same Download PDFInfo
- Publication number
- CN201818464U CN201818464U CN201020276678XU CN201020276678U CN201818464U CN 201818464 U CN201818464 U CN 201818464U CN 201020276678X U CN201020276678X U CN 201020276678XU CN 201020276678 U CN201020276678 U CN 201020276678U CN 201818464 U CN201818464 U CN 201818464U
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- Prior art keywords
- cylinder cap
- exhaust structure
- piston compressor
- valve plate
- exhaust
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Abstract
The utility model discloses an exhaust structure for a piston compressor. The compressor comprises a cylinder cover (41), wherein a cylinder cover high-pressure cavity (48) is formed in the cylinder cover (41), and a passage (45) is arranged on the wall (52) of a vent hole (44) of the cylinder cover (41) and is used for communicating the vent hole (44) with the cylinder cover high-pressure cavity (48). Simultaneously, the utility model also discloses the piston compressor provided with the exhaust structure. With the exhaust structure, piston compressors of smaller dimension and simpler structure can be produced, and simultaneously, vibration and noise of the piston compressor generated in work can be further reduced.
Description
Technical field
The utility model relates to a kind of piston compressor, more specifically, relates to a kind of exhaust structure of piston compressor.
Background technique
For piston compressor, vibration that produces during work and noise are the problems that industry is devoted to solve always, especially under the exigent Environmental Conditions of noise.But owing to the impact at exhaust process mesohigh gas, piston compressor produces vibration and noise inevitably.
Fig. 1 has shown the exhaust structure of prior art.Gas enters the gas guiding channel by the exhaust port that is connected with this cylinder cap hyperbaric chamber 80 after entering cylinder cap hyperbaric chamber 80, import then in the cylinder body hyperbaric chamber, discharges by exhaust port together.In this this process, gas is always one road gas, thereby it produces sizable impact shock, and produces bigger noise.
The model utility content
Therefore, task of the present utility model is by improving the exhaust structure of piston compressor, the vibration of reduction piston compressor, and then the noise that produces in the minimizing work.
The utility model is by providing following improved exhaust structure to realize above-mentioned task:
A kind of exhaust structure of piston compressor, wherein said compressor comprises the cylinder cap that wherein is formed with the cylinder cap hyperbaric chamber, the hole wall of the exhaust port of cylinder cap is provided with passage, and exhaust port is connected with the cylinder cap hyperbaric chamber.
Preferably, described passage is the through hole that passes hole wall.
Preferably, be provided with demarcation strip in the described cylinder cap hyperbaric chamber.
Preferably, described demarcation strip is provided with guiding channel, is used for guiding gas.
Preferably, described guiding channel is the through hole that passes demarcation strip.
Preferably, be provided with strengthening rib in the described cylinder cap hyperbaric chamber.
The utility model also provides a kind of piston compressor, and this piston compressor comprises cylinder cap according to claim 1.
Utilize exhaust structure of the present utility model, gas is divided into two-way in exhaust process, one tunnel hyperbaric chamber that enters cylinder body wherein, and said structure has dwindled the overall dimensions of cylinder cap to a certain extent; Simultaneously because the pressure pulsation when having reduced compressor operating and reduced the vibration of complete machine, thereby realize the erasure effect of expectation.
Description of drawings
Hereinafter with reference to accompanying drawing and in conjunction with preferred embodiment of the present utility model the utility model is described in further detail, wherein:
Fig. 1 has shown the air cylinder head structure of the exhaust structure of prior art;
Fig. 2 has shown the critical piece and the assembling schematic representation thereof of piston compressor of the present utility model;
Fig. 3 has shown the schematic representation according to cylinder body of the present utility model;
Fig. 4 has shown the schematic representation according to valve plate of the present utility model; With
Fig. 5 has shown the schematic representation according to cylinder cap of the present utility model.
Embodiment
At first, Fig. 2 has schematically shown critical piece and the assembly structure thereof of piston compressor .100.Piston compressor 100 mainly comprises cylinder body 1, piston 2, cylinder mouth pad 3, valve plate 16, cylinder cover cushion 32 and cylinder cap 41.As shown in Figure 2, cylinder mouth pad 3 is arranged between valve plate 16 and the cylinder body 1, is used for the sealing between valve plate 16 and the cylinder body 1, and cylinder cover cushion 32 then is arranged between cylinder cap 41 and the valve plate 16, to be used for the sealing between cylinder cap 41 and the valve plate 16.Below will critical piece and the structure thereof according to piston compressor 100 of the present utility model be elaborated successively.
At first, with reference to Fig. 3 cylinder body 1 is described in further detail.Cylinder body 1 is an ironcasting, by the casting processing moulding.As shown in Figure 3, cylinder body 1 is provided with four screws 42,44,45,47, and these four screws roughly are positioned at four corners of cylinder body 1 end face respectively, is used for cylinder body 1 and is connected with screw between valve plate 16 and the cylinder cap 41, wherein screw 42,44 is a through hole, and screw 45,47 is a blind hole.It should be noted that screw 47 when being used for the screw connection, also as gas channel.
Cylinder body 1 also is provided with compression chamber 43, and under the compressor operating state, piston 2 is done straight reciprocating motion with pressurized gas in compression chamber 43.The opening that is positioned at cylinder body 1 end face at compression chamber 43 is provided with a spacing recess 50, its shape is corresponding with the end shape of suction valve chip, and this spacing recess 50 is with respect to the sunken end face certain depth of cylinder body 1, its role is to when the suction valve chip 13 that hereinafter will describe is opened, carry out spacing to suction valve chip 13, preventing that it from producing plastic deformation because of opening degree is excessive, and then influence the overall work life-span of compressor.Cylinder body 1 further is provided with cylinder body hyperbaric chamber 49, its role is to make discharge gas and mix therein the pulsation when reducing compressor operating.
In addition, as shown in Figure 3, a passage 48 is arranged between cylinder body hyperbaric chamber 49 and the screw 47, to realize being communicated with between cylinder body hyperbaric chamber 49 and the screw 47.Passage shown in Fig. 3 48 is a form of grooves, but it also can be the through-hole form in the hole wall of screw 47, as long as it makes screw 47 be connected with hyperbaric chamber 49.
Simultaneously as can be seen from Figure 3, cylinder body 1 also is provided with long and narrow gas channel 40, and it is roughly parallel to cylinder body 1 edge and extends, and its length of extend through at least half.One end of this gas channel 40 is communicated to cylinder body hyperbaric chamber 49, and its other end is connected with gas port 9 under assembling condition, and the concrete function of this gas channel 40 will be done specific descriptions hereinafter.
Next illustrate according to cylinder mouth pad 3 of the present utility model with reference to Fig. 2, its role is under assembling condition, guarantee the sealing between valve plate 16 and the cylinder body 1.As shown in Figure 2, with cylinder body 1 end face similarly, cylinder mouth pad 3 is provided with four screws 4,5,9 and 11, its position corresponds respectively to four screws 42,44,45 and 47 of cylinder body 1 end face.Cylinder mouth pad 3 also is provided with two rivet holes 6,7, is used to hold the fixedly rivet 26,27 (hereinafter will further specifically describe) of exhaust valve plate 13.
Next with reference to Fig. 4 valve plate 16 is described.Valve plate 16 can be made by stainless steel.As shown in Figure 4, valve plate 16 is formed with four fixing threaded holes 17,29,24,19, and its position corresponds respectively to four corresponding screws 42,47,45,44 of cylinder body 1.Simultaneously, valve plate 16 is provided with two rivet holes 22,23, rivet 27,26 passes this two holes respectively, exhaust valve plate limiting board 31 and exhaust valve plate 30 are fixed on the valve plate 16 at the same end place, wherein the effect of exhaust valve plate limiting board 31 is to prevent that exhaust valve plate 30 from opening excessively and plastic deformation takes place, thereby influences the operating life of compressor.Certainly, also can adopt riveted joint alternate manner in addition that exhaust valve plate limiting board 31 and exhaust valve plate 30 are fixed on the valve plate 16.
Further, valve plate 16 also is provided with suction port 18 and relief opening 20.Exhaust valve plate 30 is controlled opening and closing of relief openings 20.Valve plate 16 is processed to form exhaust valve plate accommodating part 21 in the side that exhaust valve plate 30 is installed, and to hold exhaust valve plate, the thickness of the degree of depth of exhaust valve plate accommodating part 21 and exhaust valve plate 30 is roughly the same.And on the side that suction valve chip 13 is installed, valve plate 16 is processed to form suction valve chip accommodating part 51, is used to hold the suction valve chip of opening and closing 13 of controlling intakeport 18.Equally, the thickness of the degree of depth of suction valve chip accommodating part 51 and suction valve chip 13 is roughly suitable.The end shape of suction valve chip 13 forms consistent with the shape of spacing recess 50 on the cylinder body 1.Simultaneously, suction valve chip 13 is provided with two through holes 14,15, and wherein the position of through hole 15 is corresponding to relief opening 20.
As shown in Figure 2, cylinder cover cushion 32 is formed with through hole 33,35,37 and 40, is used to pass screw.Further, cylinder cover cushion 32 is formed with inlet hole 34, and its position and size are all corresponding to the inlet hole 18 of valve plate 16.Simultaneously, cylinder cover cushion 32 also is formed with gas port 38, and its position and size are used to make gas to pass through corresponding to the gas port 25 of valve plate 16.
Next, explain according to cylinder cap 41 of the present utility model with reference to Fig. 5.As shown in the figure, cylinder cap 41 is made of aluminum usually, wherein is limited with cylinder cap hyperbaric chamber 48.Cylinder cap 41 comprises screw 42,43,44,51, and wherein the hole wall 52 of screw 44 is provided with passage 45, is used to make screw 44 to be connected with cylinder cap hyperbaric chamber 48.Certainly, passage 45 must not be the form of grooves shown in the figure, can be the boring on the hole wall 52 yet, as long as it can be connected screw 44 with cylinder cap hyperbaric chamber 48.
Optionally, demarcation strip 46 can be set in cylinder cap hyperbaric chamber 48, thereby cylinder cap hyperbaric chamber 48 is separated into two-part, and guiding channel 47 is set on demarcation strip 46, the position of this guiding channel 47 should be as far as possible away from screw 44, thereby makes gas course in cylinder cap hyperbaric chamber 48 before entering screw 44 by passage 45 longer.
As selectivity embodiment, as shown in the figure, also strengthening rib 49 can be set in cylinder cap hyperbaric chamber 48, to strengthen the intensity of cylinder cap 41.
Below will describe in detail according to discharging the route of gas in exhaust structure under the working state of piston compressor of the present utility model.
When piston compressor was worked, motor (not shown) rotation was doing straight reciprocating motion by crankshaft driving piston 2 in compression chamber 10, thus pressurized gas.When gas reaches the certain pressure value, gas is pushed exhaust valve plate 30 open, enters into cylinder cap hyperbaric chamber 48, and gas is divided into two-way afterwards: one road gas enters gas channel 40 by exhaust port 38,25,9 successively, after entering cylinder body hyperbaric chamber 49 then, enter exhaust port 47 by passage 48 and discharge; Another part gas then after entering cylinder cap hyperbaric chamber 48, directly enters screw 44 by passage 45 and discharges.In this process, be divided into two-part owing to discharge gas, the vibration in the time of therefore can further reducing compressor operating, and then reduce noise.
More than by preferred embodiment of the present utility model the utility model has been described, but above-mentioned example is not intended to limit the utility model.Those skilled in the art can make amendment to the utility model under the situation that does not deviate from the utility model spirit and scope.
Claims (7)
1. the exhaust structure of a piston compressor, wherein said compressor comprises the cylinder cap (41) that wherein is formed with cylinder cap hyperbaric chamber (48), it is characterized in that, the hole wall (52) of the exhaust port (44) of cylinder cap (41) is provided with passage (45), and exhaust port (44) is connected with cylinder cap hyperbaric chamber (48).
2. exhaust structure according to claim 1 is characterized in that, described passage (45) is the through hole that passes hole wall.
3. exhaust structure according to claim 1 is characterized in that, is provided with demarcation strip (46) in the described cylinder cap hyperbaric chamber (48).
4. exhaust structure according to claim 3 is characterized in that, described demarcation strip (46) is provided with guiding channel (47), is used for guiding gas.
5. exhaust structure according to claim 4 is characterized in that, described guiding channel (47) is the through hole that passes demarcation strip (46).
6. exhaust structure according to claim 1 is characterized in that, is provided with strengthening rib (49) in the described cylinder cap hyperbaric chamber (48).
7. a piston compressor is characterized in that, this piston compressor comprises cylinder cap according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020276678XU CN201818464U (en) | 2010-07-30 | 2010-07-30 | Exhaust structure and piston compressor provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020276678XU CN201818464U (en) | 2010-07-30 | 2010-07-30 | Exhaust structure and piston compressor provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201818464U true CN201818464U (en) | 2011-05-04 |
Family
ID=43916421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020276678XU Expired - Lifetime CN201818464U (en) | 2010-07-30 | 2010-07-30 | Exhaust structure and piston compressor provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201818464U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876309A (en) * | 2010-07-30 | 2010-11-03 | 丹佛斯制冷设备(天津)有限公司 | Exhaust structure and piston compressor comprising same |
| WO2023185906A1 (en) * | 2022-03-29 | 2023-10-05 | 多美达瑞典有限公司 | Piston compressor and mobile refrigerator comprising same |
-
2010
- 2010-07-30 CN CN201020276678XU patent/CN201818464U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876309A (en) * | 2010-07-30 | 2010-11-03 | 丹佛斯制冷设备(天津)有限公司 | Exhaust structure and piston compressor comprising same |
| CN101876309B (en) * | 2010-07-30 | 2012-10-31 | 思科普压缩机(天津)有限公司 | Exhaust structure and piston compressor comprising same |
| WO2023185906A1 (en) * | 2022-03-29 | 2023-10-05 | 多美达瑞典有限公司 | Piston compressor and mobile refrigerator comprising same |
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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 |
Owner name: SECOP COMPRESSOR (TIANJIN) CO., LTD. Free format text: FORMER NAME: DANFOSS REFRIGERATION EQUIPMENT (TIANJIN) CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 301700, Tianjin New Technology Industrial Park, Wuqing Development Zone, south of Kaiyuan Road Patentee after: Secop Compressor (Tianjin)Co., Ltd. Address before: 301700, 27, Kaiyuan Road, Wuqing Development Zone, Tianjin Patentee before: Danfoss Refrigeration Equipment (Tianjin) Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110504 |
|
| CX01 | Expiry of patent term |