CN110242546A - A kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor - Google Patents
A kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor Download PDFInfo
- Publication number
- CN110242546A CN110242546A CN201910677929.0A CN201910677929A CN110242546A CN 110242546 A CN110242546 A CN 110242546A CN 201910677929 A CN201910677929 A CN 201910677929A CN 110242546 A CN110242546 A CN 110242546A
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- China
- Prior art keywords
- piston
- reciprocating compressor
- valve
- top surface
- lasso
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
- F04B39/0016—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons with valve arranged in the piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/125—Cylinder heads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention discloses a kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor, comprising: suction valve chip is mounted on the piston-top surface valve plate of piston of reciprocating compressor end；Suction valve chip includes several strip cantilever pieces；Piston-top surface valve plate is equipped with several air-breathing through-holes of cooperation corresponding with suction valve chip strip cantilever piece；Lift limiter lasso is mounted on the piston-top surface valve plate of piston of reciprocating compressor；There is a flange in the strip cantilever piece outer end of suction valve chip；The inner side end of lift limiter lasso is equipped with several pits that can accommodate suction valve chip strip cantilever piece end；The travel limit of flange is between lift limiter lasso and piston-top surface valve plate.The present invention has airflow channel of the lift limiter without forming clearance volume, solves in existing structure: between disc-shaped baffle and piston there are airflow channel, this airflow channel causes the clearance volume technical problem of remaining high pressure gas.
Description
Technical field
The technology of the present invention belongs to field of power machinery, in particular to a kind of nothing left being arranged on piston of reciprocating compressor
The air-breathing valve arrangement of gap volume.
Background technique
In microminiature single-acting piston type compressor, arrange that air valve is limited by cylinder cap size in cylinder head, it is difficult to
Obtain sufficient air valve flow area.On the other hand, intake valve is adjacently positioned with exhaust, is easy to produce exhaust high temperature to air inlet
Heating.Cause suction temperature to increase to increase with power consumption.For the single-acting piston type air compressor machine of microminiature oil-free lubrication, inlet valve
It is arranged on piston and is not related to sucking gas oil content problem, can both increase the circulation area of suction, exhaust valve, reduce valve block liter
Journey, it is particularly advantageous to cooling of the inspiratory flow to bearing inside crankcase.The service life of grease lubricating bearing can be effectively improved, separately
On the one hand, it is also beneficial to reduce the suction noise of air compressor machine.
Also air valve is arranged in the structure on piston, but most liters for being all not provided with valve block on traditional piston compressor
Journey limiter or baffle also have the structure that valve block baffle is arranged on the inlet valve of piston, but existing disc-shaped baffle and piston
Between there are airflow channel, which is exactly the clearance volume of remaining high pressure gas.Current, user requires single-stage pressure ratio to get over
Come it is bigger in the case where, reduce microminiature Piston Air Compressor inlet valve clearance volume, it is particularly important.
Summary of the invention
The purpose of the present invention is to provide a kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor,
Its airflow channel with lift limiter without forming clearance volume, to solve the above technical problems.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor, comprising:
Suction valve chip is mounted on the piston-top surface valve plate of piston of reciprocating compressor end；Suction valve chip includes several
Strip cantilever piece；Piston-top surface valve plate is equipped with several air-breathing through-holes of cooperation corresponding with suction valve chip strip cantilever piece；
Lift limiter lasso is mounted on the piston-top surface valve plate of piston of reciprocating compressor；The strip of suction valve chip
There is a flange in cantilever piece outer end；The inner side end of lift limiter lasso can accommodate suction valve chip strip equipped with several
The pit of cantilever piece end；The travel limit of flange is between lift limiter lasso and piston-top surface valve plate.
Further, suction valve chip is plum blossom petaloid, is linked to be an entirety in center.
Further, the cross sectional shape of lift limiter lasso is L-type；Circular ring shape is equipped at the outer circle of piston-top surface valve plate
Shoulder；Lift limiter lasso hot jacket is on circular ring shape shoulder.
Further, suction valve chip center is fixed on piston-top surface valve plate by valve block fastening screw.
Further, reciprocating compressor includes cylinder and cylinder head plate；Piston of reciprocating compressor is set in cylinder；
The side wall of piston of reciprocating compressor is slidably connected by sliding plug ring and cylinder inner wall sealing；Cylinder head is fixedly connected on cylinder
Plate.
Further, a circular pit is arranged for accommodating valve block fastening screw in the center on cylinder cover end plate
Screw cap.
Further, on cylinder cover end plate, corresponding to the cyclic annular lift limiter for being higher by piston of reciprocating compressor top surface
An annular channel is dug out, for accommodating lift limiter lasso in lasso position.
Further, the medial surface of lift limiter lasso is higher by piston-top surface valve plate 3~6mm of top surface.
Further, suction valve chip with a thickness of 0.2~0.5mm.
Further, lift limiter lasso is made of filled polytetrafluoroethylene or polyether-ether-ketone, or the side for passing through hot jacket
Method, interference are mounted in and are mounted on the piston-top surface valve plate of piston of reciprocating compressor.
Compared with the existing technology, the invention has the following advantages:
At piston top angle head cylindrical, a circular ring shape shoulder is dug out, installation fastens a L-type section on this shoulder
Cyclic loop, the shoulder on the inner hole shoulder of lasso and the top end face of piston cooperate.Lasso be higher by piston-top surface about 3~
6mm；On the ferrule portion inner side end of contact piston top surface, multiple grooves for accommodating valve block crescent flange, groove are dug out
In the sum of lift and the throttle slice thickness that the height of lasso axial direction is valve block, which is exactly the lift limit space of valve block.With
On the adjacent cylinder cover end plate of top land, corresponding to the cyclic loop position for being higher by piston-top surface, an annular channel is dug out,
For accommodating the lasso.The screw cap that a circular pit accommodates fixed valve block is arranged in center on cylinder cover end plate.
The clearance volume of inlet valve is reduced and eliminated with this.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the assembling figure in relation to the compresser cylinder and air valve invented；
11- piston-top surface valve plate；12- valve block fastening screw；13- cylinder cover board；14- cylinder head；
15- exhaust valve；16- valve block；17- lift limiter lasso；18- air-breathing through-hole；19- cylinder；
20- piston ring；
Fig. 2 is the front view of the valve guard on piston；
Fig. 3 is the sectional view of the valve guard on piston；
Fig. 4 is eight clack valve chip architectures and valve opening relative position figure；
Fig. 5 is six clack valve chip architectures and valve opening relative position figure；
Fig. 6 is the front view of the lift limiter of six clack valve pieces.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that in the feelings not conflicted
Under condition, the features in the embodiments and the embodiments of the present application be can be combined with each other.
Following detailed description is exemplary explanation, it is intended to provide further be described in detail to the present invention.Unless another
It indicates, all technical terms of the present invention contain with the normally understood of the application one of ordinary skill in the art
Justice is identical.Term used in the present invention is merely to describe specific embodiment, and be not intended to limit according to the present invention
Illustrative embodiments.
Shown in please referring to Fig.1 to Fig.3, for the level-one cylinder of the piston type air compressor of single-acting, the work of first stage piston
Valve plate of the top surface valve plate 11 as inlet valve is filled in, suction valve chip 16, the shape of suction valve chip 16 are installed on piston-top surface valve plate 11
Such as the petal-like strip cantilever piece (reed valve plate) of plum, there are a crescent flange 160, suction valve chip 16 in the outer end of cantilever piece
Centre is linked to be an entirety, and each strip cantilever piece radially, is evenly distributed near the outer edge of piston circumference,
Air-breathing through-hole 18 corresponding with valve block plum blossom flap position is processed on piston-top surface valve plate 11, and valve block top of supply line is enable to cover
The firmly air-breathing through-hole 18 on piston.It is equipped with threaded hole in piston axes center, using a valve block fastening screw 12 inlet valve
Piece 16 is fixed tightly on piston-top surface valve plate 11.The thickness of suction valve chip 16 generally takes 0.2~0.5mm.In piston top angle head cylindrical
Place, digs out a circular ring shape shoulder, on this shoulder by way of hot jacket, installs the cricoid lift limit in L-type section
The shoulder of device lasso 17, the top outer circle of the inner hole shoulder and piston of lift limiter lasso 17 cooperates.Lift limiter
Lasso 17 is higher by 11 3~6mm of top surface of piston-top surface valve plate；At the 17 sections inner side end of lift limiter lasso of contact piston top surface
On face, dig out the pit 21 of multiple crescent flanges 160 for accommodating suction valve chips 16, the shape of pit also like crescent shape,
For pit in the sum of lift and throttle slice thickness that the axial height of lift limiter lasso 17 is valve block, which is exactly inlet valve
The lift limit space of piece 16.On the cylinder cover end plate 13 adjacent with top land, corresponding to the ring-type for being higher by piston-top surface
An annular channel 130 is dug out in 17 position of lift limiter lasso, for accommodating the lift limiter lasso 17.In cylinder head
The screw cap that a circular pit accommodates the valve block fastening screw 12 of fixed valve block is arranged in center on end plate 13.With this
To reduce and eliminate the clearance volume of inlet valve.
Each components are first processed before assembling, first the lift limiter lasso 17 of heating are inserted on piston, so
All plum blossom valves of suction valve chip 16 are bent downwardly afterwards, to make the reduced diameter on its top, from lift limiter lasso 17
In pit 21 on interior insertion lift limiter lasso 17, then the centre of the palm part in 16 center of suction valve chip is cut and is tightened to piston-top surface
On, it is fastened with valve block fastening screw 12.
When needing to dismantle suction valve chip 16 again, first the release of valve block fastening screw 12 on suction valve chip 16 is removed,
In 16 upper bolt aperture of suction valve chip, the hook that a two sides can flick is inserted, suction valve chip 16 is caught on and pulls up, can make
Suction valve chip 16 is bent in umbrella, is taken out from the pit 21 in lift limiter lasso 17.
Lift limiter lasso 17 is made of filled polytetrafluoroethylene or polyether-ether-ketone, or passes through the method for hot jacket, interference
Mounted in being mounted on piston of reciprocating compressor end face.Plastic material can reduce percussion when valve block is opened to lift limiter
Sound.
It please refers to shown in Fig. 4, is eight clack valve chip architectures and valve opening relative position schematic diagram；Fig. 5 be six clack valve chip architectures and
Valve opening relative position figure；Fig. 6 is the front view of the lift limiter 17 matched with six clack valve pieces.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (10)
1. a kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor characterized by comprising
Suction valve chip (16) is mounted on the piston-top surface valve plate (11) of piston of reciprocating compressor end；Suction valve chip (16)
Including several strip cantilever pieces；Piston-top surface valve plate (11) is equipped with cooperation corresponding with suction valve chip (16) strip cantilever piece
Several air-breathing through-holes (18)；
Lift limiter lasso (17) is mounted on the piston-top surface valve plate (11) of piston of reciprocating compressor；Suction valve chip
(16) there is a flange (160) in strip cantilever piece outer end；The inner side end of lift limiter lasso (17) is equipped with several
The pit (21) of suction valve chip (16) strip cantilever piece end can be accommodated；The displacement stroke of flange (160) is exactly the liter of valve block
Journey, the displacement stroke of flange (160) is by between the pit (21) and piston-top surface valve plate (11) of lift limiter lasso (17)
Distance determines.
2. a kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor according to claim 1,
It is characterized in that, suction valve chip (16) is plum blossom petaloid, is linked to be an entirety in center.
3. a kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor according to claim 1,
It is characterized in that, the cross sectional shape of lift limiter lasso (17) is L-type；Circular ring shape is equipped at the outer circle of piston-top surface valve plate (11)
Shoulder；Lift limiter lasso (17) hot jacket is on circular ring shape shoulder.
4. a kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor according to claim 1,
It is characterized in that, suction valve chip (16) center is fixed on piston-top surface valve plate (11) by valve block fastening screw (12).
5. a kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor according to claim 1,
It is characterized in that, reciprocating compressor includes cylinder (19) and cylinder head plate (13)；Piston of reciprocating compressor is set to cylinder
(19) in；The side wall of piston of reciprocating compressor is slidably connected by sliding plug ring (20) and the sealing of cylinder (19) inner wall；Cylinder
(19) cylinder cover board (13) are fixedly connected on.
6. a kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor according to claim 5,
It is characterized in that, the center on cylinder cover end plate (13), a circular pit is set for accommodating valve block fastening screw (12)
Screw cap.
7. a kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor according to claim 5,
It is characterized in that, on cylinder cover end plate (13), corresponding to the cyclic annular lift limiter lasso for being higher by piston of reciprocating compressor top surface
(17) annular channel (130) is dug out, for accommodating lift limiter lasso (17) in position.
8. a kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor according to claim 1,
It is characterized in that, the medial surface of lift limiter lasso (17) is higher by piston-top surface valve plate (11) 3~6mm of top surface.
9. a kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor according to claim 1,
Be characterized in that, suction valve chip (16) with a thickness of 0.2~0.5mm.
10. a kind of inlet valve without clearance volume being arranged on piston of reciprocating compressor according to claim 1,
It is characterized in that, lift limiter lasso (17) is made of filled polytetrafluoroethylene or polyether-ether-ketone, or passes through the method for hot jacket, mistake
It is full of to be mounted in and is mounted on the piston-top surface valve plate (11) of piston of reciprocating compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910677929.0A CN110242546B (en) | 2019-07-25 | 2019-07-25 | Suction valve without clearance volume arranged on reciprocating compressor piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910677929.0A CN110242546B (en) | 2019-07-25 | 2019-07-25 | Suction valve without clearance volume arranged on reciprocating compressor piston |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110242546A true CN110242546A (en) | 2019-09-17 |
| CN110242546B CN110242546B (en) | 2020-06-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910677929.0A Active CN110242546B (en) | 2019-07-25 | 2019-07-25 | Suction valve without clearance volume arranged on reciprocating compressor piston |
Country Status (1)
| Country | Link |
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| CN (1) | CN110242546B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594134A (en) * | 2019-10-18 | 2019-12-20 | 青岛万宝压缩机有限公司 | Piston and air suction valve assembly for linear compressor and compressor |
| CN113550888A (en) * | 2021-07-27 | 2021-10-26 | 胡小林 | Compression cylinder structure for piston compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2432355Y (en) * | 2000-03-29 | 2001-05-30 | 柳州市通用机械总厂 | Strip aspirator pump for compressor |
| JP2005155382A (en) * | 2003-11-21 | 2005-06-16 | Sanden Corp | Compressor |
| CN104696193A (en) * | 2015-02-11 | 2015-06-10 | 合肥通用机械研究院 | Combined piston for air compressor |
| CN107339210A (en) * | 2016-05-03 | 2017-11-10 | Lg电子株式会社 | Linearkompressor |
| CN108708844A (en) * | 2018-05-24 | 2018-10-26 | 江苏昊科汽车空调有限公司 | High-performance compressor valve group device and ramp type compressor of air conditioner |
-
2019
- 2019-07-25 CN CN201910677929.0A patent/CN110242546B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2432355Y (en) * | 2000-03-29 | 2001-05-30 | 柳州市通用机械总厂 | Strip aspirator pump for compressor |
| JP2005155382A (en) * | 2003-11-21 | 2005-06-16 | Sanden Corp | Compressor |
| CN104696193A (en) * | 2015-02-11 | 2015-06-10 | 合肥通用机械研究院 | Combined piston for air compressor |
| CN107339210A (en) * | 2016-05-03 | 2017-11-10 | Lg电子株式会社 | Linearkompressor |
| CN108708844A (en) * | 2018-05-24 | 2018-10-26 | 江苏昊科汽车空调有限公司 | High-performance compressor valve group device and ramp type compressor of air conditioner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594134A (en) * | 2019-10-18 | 2019-12-20 | 青岛万宝压缩机有限公司 | Piston and air suction valve assembly for linear compressor and compressor |
| CN113550888A (en) * | 2021-07-27 | 2021-10-26 | 胡小林 | Compression cylinder structure for piston compressor |
| CN113550888B (en) * | 2021-07-27 | 2023-02-10 | 福建空分气体有限公司 | Compression cylinder structure for piston compressor |
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| Publication number | Publication date |
|---|---|
| CN110242546B (en) | 2020-06-16 |
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