CN109882390A - A kind of barrel-shaped diaphragm type compressor of no clearance - Google Patents
A kind of barrel-shaped diaphragm type compressor of no clearance Download PDFInfo
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- CN109882390A CN109882390A CN201910174589.XA CN201910174589A CN109882390A CN 109882390 A CN109882390 A CN 109882390A CN 201910174589 A CN201910174589 A CN 201910174589A CN 109882390 A CN109882390 A CN 109882390A
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Abstract
The present invention discloses a kind of barrel-shaped diaphragm type compressor of no clearance, comprising: piston, hydraulic cylinder, diaphragm seat board, barrel-shaped diaphragm and valve plate；Piston is installed in hydraulic cylinder；Diaphragm seat board is installed on hydraulic cylinder；Valve plate is fixed on diaphragm seat board；Membrane cavity is formed between diaphragm seat board and valve plate, diaphragm seat board is equipped with the through-hole of several connection membrane cavities；The barrel-shaped diaphragm of U-shaped section bellows is installed in membrane cavity.When displacement of reservoir oil piston moves up and down in oil cylinder, bucket bottom diaphragm also moves up and down in diaphragm chamber under the action of the oil pressure of downside, realizes air-breathing, compression and exhaust process on the upside of bucket bottom diaphragm.This barrel-shaped diaphragm type compressor of no clearance to be mainly characterized by barrel-shaped diaphragm bottom plate diaphragm displacement big, do not deform and stress, and the stress of the U-shaped section bellows of diaphragm staving is small, and clearance volume is not present.Effectively improve the displacement and reliability of diapragm compressor.
Description
Technical field
The invention belongs to Compressor Technology field, in particular to a kind of gas compressor machine.
Background technique
In chemical industry, national defence, food medicine and electronics industry, it usually needs realized using membrane compressor various
Rare preciousness gas, toxic gas or clean gas compression and conveying.Membrane compressor is a kind of traditional gas compressor
Tool, it drives piston by crank link mechanism, and piston drives the oil liquid in oil pocket, and oil liquid drives the diaphragm of micro- disk like or more in turn
Gas sucking, compression and the process being discharged in the closing swept volume being made of seat board and diaphragm, such as Fig. 1 are realized in movement
It is shown.There are many companies all to produce this compressor with China in the world, the range of flow of compressor is in 0.01~10m3/
Min pressure at expulsion is from normal pressure to 700MPa.Since in air-breathing, compression and exhaust process, the oil liquid pressure below diaphragm is always
It is of substantially equal with compression chamber gas pressure above diaphragm, therefore tension pressure difference suffered by diaphragm itself is very small.
The diaphragm of conventional membrane formula compressor occurs buckling and bending deformation to high-frequency, will cause in up and down motion
In portion, area fatigue fracture occurs for diaphragm.Therefore, the upper and lower displacement amplitude of diaphragm generally all obtains very little, to reduce deformation of membrane
With the risk for reducing the fatigue fracture of diaphragm buckling.But but also the swept volume of membrane compressor is greatly decreased, outside identical
The piston compressor of shape size is compared, and flow wants considerably less.This also becomes the maximum short slab of membrane compressor.Institute
To seek a kind of membrane cavity structure, the diaphragm displacement of amplitude can be obtained, and be able to maintain the dilatation and stress of diaphragm member
Very little.
Summary of the invention
The purpose of the present invention is to provide a kind of no barrel-shaped diaphragm type compressors of clearance, to solve the above technical problems.,
In order to realize above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of barrel-shaped diaphragm type compressor of no clearance, comprising: piston, hydraulic cylinder, diaphragm seat board, the barrel-shaped diaphragm without clearance
And valve plate；
Piston is installed in hydraulic cylinder；Diaphragm seat board is installed on hydraulic cylinder；
Valve plate is fixed on diaphragm seat board；
Membrane cavity is formed between diaphragm seat board and valve plate, diaphragm seat board is equipped with the through-hole of several connection membrane cavities；
No clearance barrel-shaped diaphragm is installed in membrane cavity.
Further, the barrel-shaped diaphragm of no clearance is made of bucket bottom diaphragm, annular flange piece and staving bellows；Annular flange
Piece is fixed on valve plate；It is connected between bucket bottom diaphragm and annular flange piece by staving bellows.
Further, each ripple section cross sectional shape of bellows is U-shape, and the opening of U-shaped is U-shaped towards outer diameter direction
Bottom towards internal diameter direction, it is a ripple section that one is U-shaped；One ripple section is connected including U-shaped section bellows tank bottom
Two U-shaped section bellows side walls in U-shaped section bellows tank bottom two sides；Between ripple section and adjacent ripple section, in U-shaped
The top end of section bellows side wall is by being welded and fused.
Further, bucket bottom diaphragm thickness tp=0.5~1.5mm of the barrel-shaped diaphragm of no clearance；
The tee section corrugated pipe wall thickness tc of membrane cavity takes 0.3~1mm,
The pitch ej of U-shaped ripple section is 2~8mm
The outer diameter of the U-shaped corrugated portion of the no barrel-shaped diaphragm of clearance and the difference of internal diameter are Dd；Dd=15~50mm；
The dilatation value δ of one ripple section is 0.5~3mm.
It further, further include cylinder head；Valve plate is fixed on diaphragm seat board by cylinder head.
Further, exhaust port and air-breathing interface are installed on valve plate.
Further, when hydraulic piston is in top dead centre, the bucket bottom diaphragm and the valve in membrane cavity of no barrel-shaped diaphragm of clearance
Distance is zero between plate；
When hydraulic piston moves down, the oil pocket inner fluid below the no barrel-shaped diaphragm of clearance passes through more on diaphragm seat board
A aperture is withdrawn into piston oil-cylinder, and the pressure in oil pocket reduces rapidly, the gas pressure entered in the no barrel-shaped diaphragm of clearance with
The difference of oil pressure below bucket bottom diaphragm pushes downwards barrel-shaped diaphragm bottom plate, and the no barrel-shaped diaphragm deflection position of clearance occurs at it
U-shaped section bellows section, until the bucket bottom diaphragm of the barrel-shaped diaphragm of no clearance touches the diaphragm seat board of lower section.
Further, valve plate center is equipped with valve seat cylinder；The no barrel-shaped diaphragm of clearance is set in valve seat cylinder periphery；Without clearance
Gap between the U-shaped ripple section internal diameter and valve seat cylinder outer circle of barrel-shaped diaphragm is 0.01~0.5mm；U-shaped ripple section outer diameter with
Gap between diaphragm seat board is 2~5mm.Compared with the existing technology, the invention has the following advantages:
The invention proposes a kind of no barrel-shaped diaphragm type compressors of clearance, and staving is the folding of multilayer Circular Plate, shaped like ripple
Shape, bucket bottom are planar diaphragm, realize that planar diaphragm displacement amplitude is big, and the deformation of staving bellows and the small feature of stress.When
When displacement of reservoir oil piston moves up and down in oil cylinder, bucket bottom diaphragm also moves up and down in diaphragm chamber under the action of the oil pressure of downside,
Realize air-breathing, compression and exhaust process on the upside of bucket bottom diaphragm.This barrel-shaped diaphragm type compressor is mainly characterized by barrel-shaped diaphragm
Bottom plate diaphragm displacement is big, does not deform and stress, and the stress of the bellows of diaphragm staving is small.Simultaneously in separator cylinder
When bottom surface reaches valve plate bottom surface, does not have to accommodate the clearance volume of high pressure gas in type bellows body, effectively improve diaphragm type
The displacement and reliability of compressor.It is noted that when U-shaped bellows is in complete compressive state, the ripple on the outside of bellows
Slot has biggish width, and when bellows body starts elongation, liquid can be smoothly entered in bellows tank, facilitate ripple
The extension of pipe.The close Overlapping bellows in non-U-shaped section will cause liquid and enter wave groove difficulty.
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 conventional membrane formula compressor arrangement schematic diagram；
Fig. 2 is the barrel-shaped diaphragm type compressor main part structural schematic diagram of no clearance；
Fig. 3 is the barrel-shaped membrane configuration schematic diagram of no clearance；
Fig. 4 for the barrel-shaped diaphragm of no clearance under compression inside ripple without clearance schematic diagram；
In figure: 1- diaphragm；2- valve seat cover board；3- diaphragm seat board；4- oil pocket；5- piston crank mechanism；11- cylinder cap；12- inhales
Gas adapter tube；13- vent connection；14- combination valve；15 valve plates；The barrel-shaped diaphragm of 16-；17- diaphragm seat board；18- hydraulic cylinder；19-
Hydraulic piston；20- brace and connecting rod framework；21- ring plate flange；22-U tee section bellows tank bottom 23-U tee section bellows side
Wall.24- barrels of bottom diaphragms.
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.
It please refers to shown in Fig. 2, the invention proposes a kind of no barrel-shaped diaphragm type compressors of clearance, comprising: crank link mechanism
20, piston 19, hydraulic cylinder 18, diaphragm seat board 17, barrel-shaped diaphragm 16, valve plate 15, combination valve 14, exhaust joint 13, air-breathing
Connector 12 and cylinder head 11 form.
The piston 19 driven by crank link mechanism 20 is installed in hydraulic cylinder 18；Diaphragm is installed on hydraulic cylinder 18
Seat board 17；Valve plate 15 is fixed with by cylinder head 11 on diaphragm seat board 17；Membrane cavity, film are formed between diaphragm seat board 17 and valve plate 15
Piece seat board 17 is equipped with the through-hole of several connection membrane cavities.No clearance barrel-shaped diaphragm 16 is installed in membrane cavity, what so-called no clearance referred to
U-shaped section bellows under complete compressive state, on the inside of corrugated body in corrugated sidewalls and adjacent wall be in close contact, no
In the presence of the gap for accommodating high pressure gas.Exhaust port 13, air-breathing interface 12 and general intake and exhaust combination are installed on valve plate 15
Formula air valve 14.
It please refers to shown in Fig. 3, barrel-shaped diaphragm 16 is again by bucket bottom diaphragm 24, U-shaped section bellows 22,23 and ring plate flange 21
It constitutes.When displacement of reservoir oil hydraulic piston 19 is in the top dead centre of Fig. 2, in the bucket bottom diaphragm 24 and membrane cavity of no barrel-shaped diaphragm 16 of clearance
Distance is zero between valve plate 15, and when hydraulic piston 19 moves down, the oil pocket inner fluid of barrel-shaped 16 lower section of diaphragm passes through diaphragm
Multiple apertures on seat board 17 are withdrawn into piston oil-cylinder 18, and the pressure in oil pocket reduces rapidly, and enter in barrel-shaped diaphragm 16
The difference of oil pressure below gas pressure and membrane cavity bottom plate 24 pushes downwards barrel-shaped diaphragm bottom plate, barrel-shaped 16 deformation position of diaphragm
Occur in its U-shaped section bellows section, until the bucket bottom diaphragm 24 of barrel-shaped diaphragm 16 touches the diaphragm seat board 17 of lower section.?
During this, the cylinder that barrel-shaped diaphragm 16 is constituted with valve plate 15, volume reaches maximum value；It is moved above hydraulic piston 19
When, oil liquid flows through diaphragm seat board 17 and bucket bottom diaphragm 24 is pushed to move up, and the U-shaped section bellows of membrane cavity bowl portion, which is shunk, to be become
Shape realizes the compression and discharge of gas in cylinder.
It is characteristic of the invention that bucket bottom diaphragm 24 remains straight without bending deformation, stretch all by U-shaped section
The bending deformation of the two sidewalls in face, the purpose for being fabricated to U-shaped section are to reduce or eliminate its interior side wave under bellows compressive state
The clearance volume of volume namely compressor in groove, U-shaped ripple section side wall as shown in Figure 4 are mutually closely packed together.Simultaneously
It is also convenient for outside wave groove and accommodates pad reinforcement.Each ripple section cross sectional shape of the bellows of the bowl portion is seemingly
U-shape, the opening of U-shaped is towards outer diameter direction, and towards internal diameter direction, one U-shaped to become a ripple section, U-shaped ripple section for U-shaped bottom
Between adjacent U-shaped ripple section, in top end by being welded and fused.
The 24 thickness tp of bucket bottom diaphragm of barrel-shaped diaphragm 16 is generally tp=0.5~1.5mm；
The cylinder corrugated pipe wall thickness tc of membrane cavity generally takes 0.3~1mm,
The pitch ej of U-shaped ripple section is generally 2~5mm
The outer diameter of barrel-shaped 16 corrugated portion of diaphragm and the difference of internal diameter are Dd；Take Dd=15~50mm；
The dilatation value δ of one ripple section can be taken as 0.5~3mm of δ；
For example, the internal diameter of the barrel-shaped diaphragm 16 of a compressor is 300mm, outer diameter value 340mm；Bucket bottom diaphragm 24 it is upper
Bottom offset width design value can use 15mm；24 Thickness of bucket bottom diaphragm of barrel-shaped diaphragm 16 is 1mm；The bellows body of barrel-shaped diaphragm
Partial Thickness is 0.5mm；The pitch value of U-shaped bellows is 3mm；6 node, the inclination angle value of U-shaped wall can be chosen
It is 5 °, is welded as original shape.Barrel-shaped membrane shape as shown in Figure 3 is connected into, is installed in the compressor of Fig. 2.
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 (8)
1. a kind of barrel-shaped diaphragm type compressor of no clearance characterized by comprising piston (19), hydraulic cylinder (18), diaphragm seat board
(17), barrel-shaped diaphragm (16) and valve plate (15) without clearance；
Piston (19) is installed in hydraulic cylinder (18)；Diaphragm seat board (17) are installed on hydraulic cylinder (18)；
Valve plate (15) are fixed on diaphragm seat board (17)；
Membrane cavity is formed between diaphragm seat board (17) and valve plate (15), diaphragm seat board (17) is equipped with the through-hole of several connection membrane cavities；
The barrel-shaped diaphragm of no clearance (16) is installed in membrane cavity.
2. a kind of no barrel-shaped diaphragm type compressor of clearance according to claim 1, which is characterized in that barrel-shaped diaphragm (16) is by bucket
Bottom diaphragm (24), annular flange piece (21) and staving bellows are constituted；Annular flange piece (21) is fixed on valve plate (15)；Bucket bottom
It is connected between diaphragm (24) and annular flange piece (21) by staving bellows.
3. a kind of no barrel-shaped diaphragm type compressor of clearance according to claim 2, which is characterized in that each wave of bellows
Line section cross sectional shape is U-shape, and the opening of U-shaped is towards outer diameter direction, and towards internal diameter direction, it is a ripple that one U-shaped for U-shaped bottom
Section；One ripple section includes that U-shaped section bellows tank bottom (22) is connected to the two of U-shaped section bellows tank bottom (22) two sides
A U-shaped section bellows side wall (23)；Between ripple section and adjacent ripple section, on the top of U-shaped section bellows side wall (23)
By being welded and fused at end.
4. a kind of no barrel-shaped diaphragm type compressor of clearance according to claim 3, which is characterized in that the bucket of barrel-shaped diaphragm (16)
Bottom diaphragm (24) thickness tp=0.5~1.5mm；
The tee section corrugated pipe wall thickness tc of membrane cavity takes 0.3~1mm,
The pitch ej of U-shaped ripple section is 2~8mm
The outer diameter of the U-shaped corrugated portion of barrel-shaped diaphragm (16) and the difference of internal diameter are Dd；Dd=15~50mm；
The dilatation value δ of one ripple section is 0.5~3mm.
5. a kind of no barrel-shaped diaphragm type compressor of clearance according to claim 1, which is characterized in that further include cylinder head
(11)；Valve plate (15) is fixed on diaphragm seat board (17) by cylinder head (11).
6. a kind of no barrel-shaped diaphragm type compressor of clearance according to claim 1, which is characterized in that valve plate is equipped on (15)
Exhaust port (13) and air-breathing interface (12).
7. a kind of no barrel-shaped diaphragm type compressor of clearance according to claim 2, which is characterized in that at hydraulic piston (19)
In top dead centre, distance is zero between the valve plate (15) in the bucket bottom diaphragm (24) and membrane cavity of the barrel-shaped diaphragm (16) in U-shaped section；
When hydraulic piston (19) moves down, the oil pocket inner fluid below barrel-shaped diaphragm (16) passes through on diaphragm seat board (17)
Multiple apertures are withdrawn into piston oil-cylinder (18), and the pressure in oil pocket reduces rapidly, the gas pressure entered in barrel-shaped diaphragm (16)
The difference of the oil pressure of power and bucket bottom diaphragm (24) below pushes downwards barrel-shaped diaphragm bottom plate, barrel-shaped diaphragm (16) deformation position hair
Life is in its U-shaped section bellows section, until the bucket bottom diaphragm (24) of barrel-shaped diaphragm (16) touches the diaphragm seat board of lower section
(17)。
8. a kind of no barrel-shaped diaphragm type compressor of clearance according to claim 2, which is characterized in that valve plate (15) center is equipped with
Valve seat cylinder；Barrel-shaped diaphragm (16) is set in valve seat cylinder periphery；The U-shaped ripple section internal diameter and valve seat cylinder of barrel-shaped diaphragm (16)
Gap between outer circle is 0.01~0.5mm；Gap between U-shaped ripple section outer diameter and diaphragm seat board (17) is 2~5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910174589.XA CN109882390B (en) | 2019-03-08 | 2019-03-08 | Barrel-shaped diaphragm compressor without residual clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910174589.XA CN109882390B (en) | 2019-03-08 | 2019-03-08 | Barrel-shaped diaphragm compressor without residual clearance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109882390A true CN109882390A (en) | 2019-06-14 |
| CN109882390B CN109882390B (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910174589.XA Expired - Fee Related CN109882390B (en) | 2019-03-08 | 2019-03-08 | Barrel-shaped diaphragm compressor without residual clearance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431747A (en) * | 2020-11-23 | 2021-03-02 | 西安交通大学 | Full-automatic diaphragm compressor oil way system and starting method thereof |
| CN115406133A (en) * | 2021-05-27 | 2022-11-29 | 上海兴邺材料科技有限公司 | Air conditioning system and control method thereof |
| CN117108491A (en) * | 2023-10-20 | 2023-11-24 | 优捷特环保科技有限公司 | Liquid drive type compressor based on greasy dirt isolation |
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| EP0391320A1 (en) * | 1989-04-05 | 1990-10-10 | NHK SPRING CO., Ltd. | Accumulator |
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| CN1682057A (en) * | 2002-09-06 | 2005-10-12 | 株式会社Ork | Metal bellows tube, method of producing the same, and flexible tube for high-pressure fluid |
| CN203500753U (en) * | 2013-10-16 | 2014-03-26 | 泰州鸿飞汽车部件有限公司 | Thin-wall and multi-layer U-shaped ripple volume compensator |
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2019
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|---|---|---|---|---|
| GB2062774A (en) * | 1979-11-02 | 1981-05-28 | Bran & Luebbe Gb Ltd | Diaphragm Pump Control |
| SU866271A2 (en) * | 1980-02-08 | 1981-09-23 | Предприятие П/Я М-5727 | Membrane-type compressor |
| EP0391320A1 (en) * | 1989-04-05 | 1990-10-10 | NHK SPRING CO., Ltd. | Accumulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431747A (en) * | 2020-11-23 | 2021-03-02 | 西安交通大学 | Full-automatic diaphragm compressor oil way system and starting method thereof |
| CN115406133A (en) * | 2021-05-27 | 2022-11-29 | 上海兴邺材料科技有限公司 | Air conditioning system and control method thereof |
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| CN117108491A (en) * | 2023-10-20 | 2023-11-24 | 优捷特环保科技有限公司 | Liquid drive type compressor based on greasy dirt isolation |
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| CN109882390B (en) | 2020-01-21 |
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