CN202937427U - Air cylinder structure of compressor - Google Patents
Air cylinder structure of compressor Download PDFInfo
- Publication number
- CN202937427U CN202937427U CN 201220513030 CN201220513030U CN202937427U CN 202937427 U CN202937427 U CN 202937427U CN 201220513030 CN201220513030 CN 201220513030 CN 201220513030 U CN201220513030 U CN 201220513030U CN 202937427 U CN202937427 U CN 202937427U
- Authority
- CN
- China
- Prior art keywords
- valve plate
- air
- piston
- intake valve
- limiting board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Compressor (AREA)
Abstract
The utility model discloses an air cylinder structure of a compressor. The air cylinder structure comprises an air inlet valve, an air discharging valve, a cylinder sleeve, a valve plate fixed at the top end of the cylinder sleeve and a piston capable of moving in the cylinder sleeve in reciprocating mode. The air discharging valve is arranged on the valve plate, and the air inlet valve is arranged on the piston and formed by an air inlet valve plate and an air inlet on the piston. One end of the air inlet valve plate is a fixed end, and the other end of the air inlet valve plate is a free end. The fixed end of the air inlet valve plate is fixed on the top face of the piston, the free end is covered on the air inlet, a limit plate is arranged on the air inlet valve plate, and a gap is arranged between the limit plate and the free end of the air inlet valve plate. Due to the fact that the limit plate is arranged on the air inlet valve plate, a moving range of the air inlet valve plate can be limited, and noise of the air inlet valve plate during work is reduced. Abrasion of the air inlet valve plate is reduced, and service life is prolonged.
Description
Technical field
The utility model relates to air compressor, is specifically related to a kind of air cylinder structure of air compressor.
Background technique
The cylinder of air compressor mainly is comprised of cylinder sleeve, valve plate and piston, and valve plate is fixed on the top of cylinder sleeve, and piston can to-and-fro motion in cylinder sleeve, in addition, also be provided with on cylinder can unidirectional unlatching suction valve and outlet valve.
In prior art, suction valve and outlet valve generally all are arranged on valve plate, they are to be made of inlet hole, exhaust port and the air-intake valve plate, the exhaust valve plate that are located on valve plate, air-intake valve plate, exhaust valve plate are generally to be made of elastic sheet, such as adopting the stainless steel thin slice, one end of air-intake valve plate, exhaust valve plate is fixed on valve plate, and the other end covers respectively on inlet hole, exhaust port.Along with piston can be in cylinder sleeve to-and-fro motion, air-intake valve plate and exhaust valve plate be meeting opening and closing rapidly under gas pressure, in air inlet moment, air-intake valve plate is opened, beat on the pressing plate of piston, not only can make a noise, and can cause the free-ended wearing and tearing of valve block, shorten the working life of valve block.
The model utility content
The technical problems to be solved in the utility model is to provide the air cylinder structure of a kind of noise that can reduce air-intake valve plate and wearing and tearing, the more reliable compressor of work, to overcome the defects of prior art.
in order to solve the problems of the technologies described above, the utility model adopts following technological scheme: a kind of air cylinder structure of compressor, comprise suction valve, outlet valve, cylinder sleeve, be fixed on the cylinder sleeve top valve plate and can be in cylinder sleeve reciprocating piston, described outlet valve is arranged on valve plate, described suction valve is arranged on piston, suction valve is made of air-intake valve plate and the inlet hole that is opened on piston, one end of air-intake valve plate is fixed end, the other end is free end, the fixed end of air-intake valve plate is fixed on the end face of piston, free end covers above inlet hole, also be provided with a limiting board on air-intake valve plate, be provided with the gap between the free end of limiting board and air-intake valve plate.
Preferably, on the bottom surface of described valve plate, be provided with groove on relative position up and down with limiting board.
Preferably, an end of described limiting board and the fixed end of air-intake valve plate are fixed on piston by same screw, the other end of limiting board be bent upwards and and the free end of air-intake valve plate between form described gap.
Preferably, described limiting board is identical with shape, the size of air-intake valve plate.
Further, described limiting board is provided with the pressure hole.
Preferably, described piston comprises piston body, piston ring and pressing plate, and described pressing plate removably connects by screw and piston body, and piston ring is sandwiched between pressing plate and piston body, and described limiting board and air-intake valve plate are arranged on pressing plate.
Further, the tapped hole that matches with screw on described piston body is blind hole.
Further, be provided with circular groove around the tapped hole on described piston body, be provided with seal ring in circular groove, described pressing plate bottom surface is provided with the annular protrusion that matches with described circular groove, and annular protrusion compresses described seal ring.
Compared with prior art, the utlity model has following beneficial effect: owing to being provided with limiting board on air-intake valve plate, can limit the motion amplitude of air-intake valve plate, the noise when reducing air-intake valve plate work; Simultaneously, limiting board also provides dependence and has supported for the whole back side of air-intake valve plate, reduces the wearing and tearing of air-intake valve plate, has improved working life.The limiting board that the utility model adopts is simple in structure, easy to process, can be fixed reliably, can not come off, and greatly reduces the rate of fault of compressor.
Description of drawings
Fig. 1 is the schematic diagram of the air cylinder structure of the utility model compressor.
Fig. 2 is the perspective view of valve plate in the utility model.
Fig. 3 is the perspective view of piston in the utility model.
Fig. 4 is the perspective view of piston top board.
Fig. 5 is the STRUCTURE DECOMPOSITION schematic diagram of piston in the utility model.
Fig. 6 is the plan view of piston in the utility model.
Fig. 7 is the sectional view at A-A place in Fig. 6.
In figure: 1, cylinder sleeve 2, air-intake valve plate 3, limiting board
4, valve plate 5, piston 6, inlet hole
6a, through hole 6b, through hole 7, outlet valve
8, gap 9, screw 31, thoroughly press the hole
41, groove 50, piston body 51, tapped hole
52, seal ring 53, piston ring 54, pressing plate
55, screw hole 56, screw hole 57, screw
58, annular protrusion 59, circular groove
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, those skilled in the art can more clearly understand other advantages of the present invention and effect thus.
Need to prove, the structure that Figure of description illustrates, ratio, size etc. only in order to coordinate embodiment, more clearly understand design of the present invention for those skilled in the art, are not to limit protection scope of the present invention.The adjustment of the modification of any structure, the change of proportionate relationship or size, in the situation that do not affect effect of the present invention and purpose is reached, within all should still dropping on protection scope of the present invention.For convenience of description, the relative position relation of each parts is that the Butut mode according to Figure of description is described, as: the position relationship of upper and lower, end face, bottom surface etc. is to determine according to the Butut direction of Figure of description.
As shown in Figure 1 and Figure 2, the air cylinder structure of a kind of compressor of the utility model comprises cylinder sleeve 1, is fixed on the valve plate 4 on cylinder sleeve 1 top and can at the interior reciprocating piston 5 of cylinder sleeve 1, be provided with outlet valve 7 on valve plate 4.
As Fig. 1, shown in Figure 3, be provided with suction valve on piston 5, suction valve is made of air-intake valve plate 2 and the inlet hole 6 that is opened on piston, one end of air-intake valve plate 2 is fixed end, the other end is free end, also be provided with a limiting board 3 on air-intake valve plate 2, one end of limiting board 3 and the fixed end of air-intake valve plate 2 are fixed on the end face of piston 5 by same screw 9, the free end of air-intake valve plate 2 covers above inlet hole 6, is provided with gap 8(and sees Fig. 6 between the free end of limiting board 3 and air-intake valve plate 2).A kind of better implementation is that the other end (free end) with limiting board 3 is bent upwards, thereby and form above-mentioned gap 8 between the free end of air-intake valve plate 2, the free-ended bend angle of limiting board 3 (and angle of piston-top surface) can be between 5-15 °.
When piston 5 motion, produce for fear of the bottom surface of limiting board 3 and valve plate 4 and interfere, in preferred embodiment of the present utility model, on the bottom surface of valve plate 4, be provided with groove 41 on relative position up and down with limiting board 3.
As preferred version, shape, the size of limiting board 3 and air-intake valve plate 2 can be identical, but the elastic sheet of air-intake valve plate 2 for being easy to be out of shape, limiting board 3 is that certain thickness and on-deformable rigid plate are arranged.Pressure hole 31 preferably is set, in order to realize pressure conduction on limiting board 3.
As shown in Fig. 4-7, piston 5 preferably adopts disassembled split-type structural, it comprises the main members such as piston body 50, piston ring 53 and pressing plate 54, its center platen 54 removably connects by screw 57 and piston body 50, piston ring 53 is sandwiched between pressing plate 54 and piston body 50, can guarantee like this can change easily after piston ring 53 wearing and tearing, and need not change whole piston.Above-mentioned limiting board 3 is fixed on pressing plate 54 by screw 9 with 2 of air-intake valve plates, is provided with through hole 6a on pressing plate 54, is provided with through hole 6b on piston body 50, and through hole 6a, 6b communicate up and down, consist of above-mentioned inlet hole 6.Be provided with screw hole 55 and be used for wearing screw 57 on pressing plate 54, be provided with screw hole 56 and be used for wearing screw 9.For fear of leaking gas at screw hole 56 places that match with screw 9, can coat sealer after screw 9 is fastening.
But for screw hole 55, if also adopt glue sealing, can cause so screw 57 non-dismountable, thereby rering 53 more.Therefore, the utility model adopts a kind of improved structure, the tapped hole 51 that matches with screw 57 on piston body 50 is made as blind hole, be provided with circular groove 59 around this tapped hole 51, be provided with seal ring 52 in circular groove 59, be provided with the annular protrusion 58 that matches with circular groove 59 on the bottom surface of pressing plate 54, around screw hole 55, after screw 57 is tightened, annular protrusion 58 press seal circle 52(are as shown in Figure 7), thus make the screw 57 both can be for convenience detach, can not make again its screw hole 55 gas leakage.
During in the interior downward motion of cylinder sleeve 1, produce negative pressure when piston 5 in the piston cavity of cylinder sleeve 1, the outlet valve 7 on valve plate 4 is closed under suction function, and the air-intake valve plate 2 on piston 5 upwardly opens under suction function, until be fitted on limiting board 3, makes air inlet in piston cavity; When piston 5 upwards moves in cylinder sleeve 1, produce malleation in the piston cavity of cylinder sleeve 1, the air-intake valve plate 2 on piston 5 is closed under positive pressure, and the outlet valve 7 on valve plate 4 upwardly opens under positive pressure, and the pressurized gas in piston cavity is discharged from.
Claims (8)
1. the air cylinder structure of a compressor, comprise suction valve, outlet valve (7), cylinder sleeve (1), be fixed on the cylinder sleeve top valve plate (4) and can be in cylinder sleeve reciprocating piston (5), it is characterized in that, described outlet valve is arranged on valve plate (4), described suction valve is arranged on piston (5), suction valve is made of air-intake valve plate (2) and the inlet hole (6) that is opened on piston (5), one end of air-intake valve plate (2) is fixed end, the other end is free end, the fixed end of air-intake valve plate (2) is fixed on the end face of piston (5), free end covers above inlet hole (6), also be provided with a limiting board (3) on air-intake valve plate (2), be provided with gap (8) between the free end of limiting board (3) and air-intake valve plate (2).
2. air cylinder structure according to claim 1, is characterized in that, on the bottom surface of described valve plate (4), be provided with groove (41) on relative position up and down with limiting board (3).
3. air cylinder structure according to claim 1, it is characterized in that, the fixed end of one end of described limiting board (3) and air-intake valve plate (2) is fixed on piston (5) by same screw (9), the other end of limiting board (3) be bent upwards and and the free end of air-intake valve plate (2) between form described gap (8).
4. air cylinder structure according to claim 1, is characterized in that, described limiting board (3) is identical with shape, the size of air-intake valve plate (2).
5. air cylinder structure according to claim 4, is characterized in that, described limiting board (3) is provided with pressure hole (31).
6. air cylinder structure according to claim 1, it is characterized in that, described piston (5) comprises piston body (50), piston ring (53) and pressing plate (54), described pressing plate (54) removably connects by screw (57) and piston body (50), piston ring (53) is sandwiched between pressing plate (54) and piston body (50), and described limiting board (3) is arranged on pressing plate (54) with air-intake valve plate (2).
7. air cylinder structure according to claim 6, is characterized in that, the upper tapped hole (51) that matches with screw (57) of described piston body (50) is blind hole.
8. air cylinder structure according to claim 7, it is characterized in that, tapped hole (51) on described piston body (50) is provided with circular groove (59) on every side, be provided with seal ring (52) in circular groove (59), described pressing plate (54) bottom surface is provided with the annular protrusion (58) that matches with described circular groove (59), and annular protrusion (58) compresses described seal ring (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220513030 CN202937427U (en) | 2012-09-29 | 2012-09-29 | Air cylinder structure of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220513030 CN202937427U (en) | 2012-09-29 | 2012-09-29 | Air cylinder structure of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202937427U true CN202937427U (en) | 2013-05-15 |
Family
ID=48321670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220513030 Expired - Fee Related CN202937427U (en) | 2012-09-29 | 2012-09-29 | Air cylinder structure of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202937427U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267017A (en) * | 2013-06-06 | 2013-08-28 | 苏州英华特涡旋技术有限公司 | Scroll compressor with novel exhaust port structure and exhaust valve component |
| CN104675703A (en) * | 2013-11-27 | 2015-06-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Piston component and compressor |
| CN104696193A (en) * | 2015-02-11 | 2015-06-10 | 合肥通用机械研究院 | Combined piston for air compressor |
| CN106103993A (en) * | 2014-01-28 | 2016-11-09 | 惠而浦股份有限公司 | Valve and stop device for reciprocating compressor |
| CN106224540A (en) * | 2016-07-22 | 2016-12-14 | 佛山市顺德区键合电子有限公司 | A kind of triple-folding type piston component |
| CN107740760A (en) * | 2017-11-10 | 2018-02-27 | 瑞立集团瑞安汽车零部件有限公司 | A kind of novel air compressor valve plate assembly |
-
2012
- 2012-09-29 CN CN 201220513030 patent/CN202937427U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267017A (en) * | 2013-06-06 | 2013-08-28 | 苏州英华特涡旋技术有限公司 | Scroll compressor with novel exhaust port structure and exhaust valve component |
| CN103267017B (en) * | 2013-06-06 | 2016-07-06 | 苏州英华特涡旋技术有限公司 | There is the screw compressor of novel exhaust mouth structure and exhaust valve component |
| CN104675703A (en) * | 2013-11-27 | 2015-06-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Piston component and compressor |
| CN106103993A (en) * | 2014-01-28 | 2016-11-09 | 惠而浦股份有限公司 | Valve and stop device for reciprocating compressor |
| CN104696193A (en) * | 2015-02-11 | 2015-06-10 | 合肥通用机械研究院 | Combined piston for air compressor |
| CN106224540A (en) * | 2016-07-22 | 2016-12-14 | 佛山市顺德区键合电子有限公司 | A kind of triple-folding type piston component |
| CN107740760A (en) * | 2017-11-10 | 2018-02-27 | 瑞立集团瑞安汽车零部件有限公司 | A kind of novel air compressor valve plate assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202937427U (en) | Air cylinder structure of compressor | |
| CN202301035U (en) | Double-stage compressor with middle venting partition board | |
| CN202746177U (en) | Multiple-curved-surface membrane protection plate | |
| CN202302232U (en) | Quick exhaust valve | |
| WO2014108073A1 (en) | Piston type check valve | |
| CN201190826Y (en) | Carbon dioxide needle type pressure reducing valve | |
| CN201475387U (en) | Ceramic wafer sealing valve | |
| CN203297726U (en) | Stop valve | |
| CN203297727U (en) | Stop valve | |
| CN202966999U (en) | Internal pad elastic bottle cover | |
| CN208759978U (en) | Vacuum shaping box quick-changing type sealing device | |
| CN205117692U (en) | Low noise micropump | |
| CN203978905U (en) | Double-shell pump pump barrel body hydrostatics testing sealing configuration | |
| CN201344290Y (en) | All plastic wafer check valve | |
| CN208457220U (en) | Separable valve seat type three-eccentric-butterfly-valve | |
| CN201448495U (en) | Pressure-reducing valve | |
| CN202834054U (en) | Leak-proof structure of pressure container | |
| CN206054766U (en) | Special material regulating valve sealing pair self-straightening structure | |
| CN2874061Y (en) | Vacuum pump piston for water pump | |
| CN201747940U (en) | Plunger piston valve | |
| CN204984782U (en) | Novel off -load ware device | |
| CN204003748U (en) | Thin cylinder | |
| CN202816549U (en) | Novel transformer body elastic pressing device | |
| CN208651119U (en) | A kind of sealed letter body of filler easy to disassemble | |
| CN202691087U (en) | Hydraulic driving butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIANGLIANG TRADING (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: SHANGHAI RUISI KAISAI MEDICAL DEVICES CO., LTD. Effective date: 20150320 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201319 PUDONG NEW AREA, SHANGHAI TO: 200072 ZHABEI, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150320 Address after: Zhabei District Shanghai City 200072 West Guangzhong Road No. 757 room 208 Patentee after: Xiang Liang Trading (Shanghai) Co., Ltd. Address before: 201319 No. 1369 East Cambridge Road, Shanghai, Pudong New Area Patentee before: Ssig Medical Device Co Ltd |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20160922 Granted publication date: 20130515 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20180322 Granted publication date: 20130515 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20170929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |