CN106989172A - Accumulator bowl-type diaphragm of rubber - Google Patents
Accumulator bowl-type diaphragm of rubber Download PDFInfo
- Publication number
- CN106989172A CN106989172A CN201710238467.3A CN201710238467A CN106989172A CN 106989172 A CN106989172 A CN 106989172A CN 201710238467 A CN201710238467 A CN 201710238467A CN 106989172 A CN106989172 A CN 106989172A
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- China
- Prior art keywords
- bowl
- rubber
- accumulator
- type diaphragm
- diaphragm
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J3/00—Diaphragms; Bellows; Bellows pistons
- F16J3/02—Diaphragms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Combined Devices Of Dampers And Springs (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
A kind of accumulator bowl-type diaphragm of rubber of the present invention, belongs to hydraulic pressure auxiliary technical field, and structure includes the rim of a bowl sealing, thickeies bowl bottom and be connected to sealing the rim of a bowl and thicken the arc bowl wall between bowl bottom, and key is：Inner surface round and smooth even transition formation cambered surface of the bowl bottom sectional elevation in round table-like, round platform side surface and arc bowl wall is thickeied, sectional elevation is embedded in thickening bowl bottom bottom in the sectional buffer chip of " tray type ".The present invention is special-shaped chip of bottom-thickened partial embedding " fall tray type " in " bowl-type " diaphragm of rubber, by chip buffer structure in itself and modulus of elasticity characteristic, improves impact strength, the high frequency deformability of diaphragm of rubber, extends its service life.
Description
Technical field
The invention belongs to hydraulic pressure auxiliary technical field, it is related to diaphragm accumulator accessory, and in particular in such accumulator
The bowl-type diaphragm of rubber with buffer chip used.
Background technology
Accumulator is indispensable functional part in modern hydraulic technology, is the adjusting means in hydraulic energy transmission.
Be used primarily in hydraulic pressure conversion process, receive and transmission pressure change pulse information, releive pulsation amplitude and flow
Change, the power output of stabilizing equipment.Diaphragm accumulator completes energy adjustment by compressed gas-driven barrier film.In use,
The gas of rated pressure is filled with to accumulator first, when system pressure exceedes accumulator internal pressure, fluid compressed gas will
Pressure in fluid is converted into gas internal energy；When system pressure is less than accumulator internal pressure, the oil in accumulator is in high pressure
External system is flowed in the presence of gas, is released energy.Compressed gas generally selects nitrogen.As the critical component of accumulator,
Diaphragm of rubber should the separation of strict ne-leakage, Seal Oil, air cavity, under the operating temperature that more than 100 degree are withstood up to again
Flexural deformations, and in operation work long-term at high temperature under high pressure repeatedly.In order to extend the service life of barrier film, existing barrier film is more
Top-quality rubber kind and perfect Shape design is used to resist high-frequency flexure.For reinforcing bowl-type separator bottom resist fluids punching
Ability is hit, traditional method is to increase the thickness of bowl bottom rubber.This mode can only slightly improve diaphragm of rubber impact strength
Ability；Failure under high frequency flexure change is still to influence the key factor in diaphragm of rubber life-span.Inventor is using " in pressure-bearing
Position " composite metal improves shock resistance area, disperses impact forces intensity, reduces the diaphragm of rubber average impact of impact site
Pressure.Though there is certain effect, and slow down failure with being formed without effect, easily cause jointing edge to be undermined stripping on the contrary.Always
Diaphragm of rubber the consistent technical staff that annoying the industry of aging, crackle, failure that causes of high frequency flexure.
The content of the invention
The purpose of the present invention is to improve diaphragm of rubber service life, and the technical measures used are in " bowl-type " diaphragm of rubber
Bottom-thickened partial embedding " fall tray type " sectional buffer chip, it is special by chip buffer structure in itself and modulus of elasticity
Color, improves impact strength, the high frequency deformability of diaphragm of rubber, extends its service life.
The technical scheme is that：A kind of accumulator bowl-type diaphragm of rubber, structure includes the rim of a bowl sealing, thickening
Bowl bottom and the arc bowl wall being connected between sealing the rim of a bowl and thickening bowl bottom, key are：Thicken bowl bottom sectional elevation
In the inner surface of round table-like, round platform side surface and arc bowl wall round and smooth even transition formation cambered surface, sectional elevation is in " falling pallet
The sectional buffer chip of type " is embedded in thickening bowl bottom bottom.
Further, the structure of the buffer chip includes circular collet, the ring of pallet and setting between the two sections
Shape groove, the buffer chip is deflected across by the arc modeling formation for being arranged on round platform side surface and arc bowl wall inner surface junction
The composite buffering structure of journey.
Further, the circular collet periphery uniformly position after cushion hole, vulcanization rubber filling in positioning cushion hole and
Two grades of stress dispersed structures are formed in annular groove.
Further, the uniform buffering grading ring shape half slot on the contact surface of the pallet and hydraulic oil.
Further, the buffering grading ring shape half slot is the ring-shaped groove that opening is extended out, and periphery flaring angle is big
In inner circumferential, it is in the scattered equal laminated structure of " umbrella " type to form pulse oil pressure.
Further, the buffering grading ring shape half slot is provided with 2-5 roads.
Further, the joint portion of the pallet, annular groove and collet and rubber is in arc-shaped.
Further, the positioning lip that the rim of a bowl sealing has transverse plane and bent downwards, the positioning lip
Section is del, its bottom surface and transverse plane formation step reciprocating hermetic face structure.
Further, the material of the buffer chip is potassium steel or space aluminium.
In technical scheme, 1, bowl bottom and made in round platform side surface and arc bowl wall using round table-like thickening
The round and smooth even transition formation cambered surface in surface, reduces shearing shape while impact strength is improved in high-frequency percussion deformation process
Become, diffusion-induced stress concentrated area, it is to avoid stress gathers the failure superposition caused in impulsive force transmittance process, makes Stress non-homogeneity point
Dissipate, homogenizing forms one-level stress dispersed structure.2nd, thickening embedded " fall tray type " the sectional buffer chip of bowl bottom, one be can
To make in shaping in the annular groove between rubber coated chip and embedded pallet and collet, bidirectionally limited composite construction is formed, is made
Chip and rubber are fully combined, as compound transition body structure；Two be that chip uses special " tray type " structure, and support
The joint portion of disk, annular groove and collet and rubber is in arc-shaped, with round platform bowl bottom and round platform side surface and arc bowl wall inner surface
The arc modeling of junction coordinates, and can avoid the shearing deformation during flexure, prevents from bending the stress concentration of failpoint, makes
Impulsive force is buffered layer by layer when being spread from rigid chips to rubber, and being converted to slow stress by rapidly violent flex motion expands
Dissipate.3rd, the sheet metal chip used in original technology is improved to " tray type " chip, is remarkably improved chip by the present invention
The intensity of hydraulic impulse, trickle chip physique structure and the organic transition bonding of rubber are transmitted, not only forms bidirectionally limited, also
Enhance high-elastic chip and high-plastic elastomeric material perfect adaptation, form the optimal mode of anti-high frequency flexural deformations.Pallet, annular
The faying face of groove and collet and rubber carries out arc transition processing, it is to avoid chip edge forms the shear stress to rubber, greatly
It is big to improve the disabled status of product, extend the service life of diaphragm of rubber.4th, the uniform positioning cushion hole of annular, sulphur on collet
Rubber filling forms the structure of anti-pulse scatter stress again in hole after change processing, can not only improve buffer chip and rubber
The combination of glue, enhancing buffer chip and the bond strength for thickening bowl bottom；It is also possible that the modulus of elasticity of composite is obtained
Effectively it is homogenized, direct impact of the buffer chip to rubber makes stress further disperse.5th, connecing in pallet and fluid
2-5 roads buffering grading ring shape half slot, and the ring-shaped groove extended out using oral area are set in contacting surface, and periphery flaring angle is more than
Inner circumferential, can be such that impact oil is scattered in " umbrella " shape to periphery and rebound, decompose the impulsive force of oil, reduce the impact to separator bottom
Power.6th, the rim of a bowl sealing protrudes from arc bowl wall outer rim, the positioning lip bent with transverse plane and downwards, retention Hp during installation
In the mounting groove matched on side insertion accumulator pallet, upper lid is pressed on transverse plane, is formed by transverse plane, left surface and retention Hp
The step reciprocating hermetic face structure of side upper bottom surface composition, substantially increases the installation compactness and sealing of diaphragm of rubber.7、
Buffer chip selects potassium steel or space aluminium, impact resistance, is remarkably improved impact resistance, can also be reduced from space aluminium weight and
Cost.
The beneficial effects of the invention are as follows：In embedded " tray type " buffer chip in the thickening bottom of " bowl-type " diaphragm of rubber,
High elastic buffer chip is formed perfect complex with plasticising top-quality rubber barrier film, improve the high frequency anti-impact of such diaphragm of rubber
Hit ability, it is to avoid the stress concentration in the high power transmittance process of impact variation, make stress in efficient scattered, homogenizing
The buffering pressure for completing buffer chip is acted on, and significantly reduces hydraulic oil and pallet and the destruction of the impact failure of arc bowl wall are made
With service life is brought up to and deflects 120- by servo-actuated slow down ability of the reinforcing rubber barrier film in rapidly violent flex motion
1800000 times.
Brief description of the drawings
Fig. 1 is the structural representation of diaphragm of rubber；
Fig. 2 is the structural representation of buffer chip；
Fig. 3 is Fig. 2 elevational schematic view；
Fig. 4 is mounting structure schematic diagram of the diaphragm of rubber in accumulator；
In accompanying drawing, 1 represents the rim of a bowl sealing, and 1-1 represents positioning lip, and 1-2 represents transverse plane, and 2 represent arc bowl wall, and 3 represent
Round platform, 4 represent buffer chip, and 4-1 represents pallet, and 4-1-1 represents buffering grading ring shape half slot, and 4-2 represents collet, 4-2-1
Positioning cushion hole is represented, 4-3 represents annular groove, and 5 represent accumulator base, and 6 represent lid on accumulator.
Embodiment
Accumulator bowl-type diaphragm of rubber, referring to accompanying drawing, including the rim of a bowl sealing 1, thickeies bowl bottom and is connected to close
Seal the rim of a bowl and thicken the arc bowl wall 2 between bowl bottom.It is in the shape of round platform 3, the side surface of round platform 3 and arc to thicken bowl bottom sectional elevation
The round and smooth even transition formation cambered surface of inner surface of bowl wall 2.Abnormal shape of the sectional elevation in " tray type " is inlayed thickening bowl bottom
Buffer chip 4.Buffer chip 4 selects space aluminium, including circular collet 4-2, pallet 4-1 and sets annular between the two sections
Groove 4-3, pallet 4-1, annular groove 4-3 and collet 4-2 and rubber joint portion are in arc-shaped.Along circular collet 4-2 circumferential annulars
It is evenly equipped with 6 positioning cushion hole 4-2-1.During shaping, buffer chip 4 is positioned by the positioning hole on pallet 4-1, and rubber coated is simultaneously
In annular groove between embedded positioning cushion hole 4-2-1 and pallet 4-1 and collet 4-2, buffer chip 4 and barrier film is set to be combined into one
Body.The rim of a bowl sealing 1 has transverse plane 1-2 and the positioning lip 1-1 bent downwards, and positioning lip 1-1 section is inverted triangle
Shape, is positioned in the mounting groove matched on lip 1-1 insertion accumulators base 5, upper lid 6 is pressed on transverse plane 1-2, is held level with both hands during installation
Face upper surface, left surface and positioning lip upper bottom surface formation step reciprocating hermetic face structure.In connecing for pallet 4-1 and hydraulic oil
Uniform buffering grading ring shape half slot 4-1-1 in contacting surface.Buffering grading ring shape half slot 4-1-1 is designed as being open the annular extended out
Groove, and periphery flaring angle is more than inner circumferential, is arranged at intervals with 3 roads, can scatter impact oil to periphery in " umbrella " shape and rebound.
During specifically used, when system pressure exceedes accumulator internal pressure, fluid is from entering on accumulator base 5
Hydraulic fluid port is impacted on pallet 4-1, and buffer chip 4 promotes thickening bowl bottom to drive arc bowl wall to deflect, the nitrogen above compressed septum
Gas, simultaneous buffering grading ring shape half slot 4-1-1 decomposes the impulsive force of oil, and oil is scattered to both sides.When system pressure is less than accumulation of energy
During device internal pressure, diaphragm of rubber resilience resets in the presence of gases at high pressure, and fluid flows to external system, released energy.Punching
Hit in power transmittance process, grading ring shape half slot 4-1-1, the side surface of round platform 3 and the inner surface of arc bowl wall 2 cambered surface, Yi Jihuan
The mutual extruding of chip 4 and bound rubber is rushed, stress constantly disperseed, be homogenized, buffers layer by layer, extend and deflect deformation time,
It is changed into slowly deflecting motion from the rapidly violent motion that deflects, service life is extended to and deflects 120-180 ten thousand times.Make simultaneously
Oil also reduces 50% to the impulsive force of accumulator bottom side, protects accumulator, extends the service life of accumulator.According to rubber
The fatigue data of barrier film, existing domestic barrier film enters diaphragma of mouth to deflect 70-120 ten thousand times to deflect 30-50 ten thousand times, and this
Invent to deflect 120-180 ten thousand times, significantly improve the service life of diaphragm of rubber.
Claims (10)
1. a kind of accumulator bowl-type diaphragm of rubber, structure includes the rim of a bowl sealing（1）, thicken and bowl bottom and be connected to
Seal the rim of a bowl and thicken the arc bowl wall between bowl bottom（2）, it is characterised in that：It is in round platform to thicken bowl bottom sectional elevation（3）Shape,
Round platform（3）Side surface and arc bowl wall（2）Inner surface round and smooth even transition formation cambered surface, sectional elevation is in " fall tray type "
Sectional buffer chip（4）It is embedded in thickening bowl bottom bottom.
2. accumulator according to claim 1 bowl-type diaphragm of rubber, it is characterised in that：The buffer chip（4）Knot
Structure includes circular collet（4-2）, pallet（4-1）And the annular groove of setting between the two sections（4-3）, the buffer chip（4）
By being arranged on round platform（3）Side surface and arc bowl wall（2）The arc modeling of inner surface junction forms the compound of flexure process
Buffer structure.
3. accumulator according to claim 2 bowl-type diaphragm of rubber, it is characterised in that：The circular collet（4-2）Week
Side uniformly positions cushion hole（4-2-1）, rubber filling is in positioning cushion hole after vulcanization（4-2-1）And annular groove（4-3）It is interior to be formed
Two grades of stress dispersed structures.
4. accumulator according to claim 2 bowl-type diaphragm of rubber, it is characterised in that：In the pallet（4-1）With liquid
Uniform buffering grading ring shape half slot on the contact surface of force feed（4-1-1）.
5. accumulator according to claim 4 bowl-type diaphragm of rubber, it is characterised in that：The buffering grading ring shape semicircle
Groove（4-1-1）The ring-shaped groove extended out for opening, and periphery flaring angle is more than inner circumferential, it is in " umbrella " to form pulse oil pressure
The scattered equal laminated structure of type.
6. accumulator according to claim 5 bowl-type diaphragm of rubber, it is characterised in that：The buffering grading ring shape semicircle
Groove（4-1-1）It is provided with 2-5 roads.
7. accumulator according to claim 2 bowl-type diaphragm of rubber, it is characterised in that：The pallet（4-1）, annular groove
（4-3）And collet（4-2）Joint portion with rubber is in arc-shaped.
8. the accumulator bowl-type diaphragm of rubber according to claim any one of 1-7, it is characterised in that：The rim of a bowl sealing
Portion（1）With transverse plane（1-2）The positioning lip bent downwards（1-1）, the positioning lip（1-1）Section be inverted triangle
Shape, its bottom surface and transverse plane（1-2）Form step reciprocating hermetic face structure.
9. the accumulator bowl-type diaphragm of rubber according to claim any one of 1-7, it is characterised in that：The buffer chip
（4）Material be potassium steel or space aluminium.
10. accumulator according to claim 8 bowl-type diaphragm of rubber, it is characterised in that：The buffer chip（4）Material
Matter is potassium steel or space aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710238467.3A CN106989172B (en) | 2017-04-13 | 2017-04-13 | Accumulator bowl-type diaphragm of rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710238467.3A CN106989172B (en) | 2017-04-13 | 2017-04-13 | Accumulator bowl-type diaphragm of rubber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106989172A true CN106989172A (en) | 2017-07-28 |
| CN106989172B CN106989172B (en) | 2018-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710238467.3A Active CN106989172B (en) | 2017-04-13 | 2017-04-13 | Accumulator bowl-type diaphragm of rubber |
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| Country | Link |
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| CN (1) | CN106989172B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332156A (en) * | 2019-08-14 | 2019-10-15 | 石家庄隆衢科技有限公司 | Diaphragm accumulator |
| CN112483483A (en) * | 2020-11-26 | 2021-03-12 | 河南工业职业技术学院 | Diaphragm energy storage ware of intelligence |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2409736A1 (en) * | 1974-03-01 | 1975-09-11 | Langen & Co | Diaphragm in hydro-pneumatic pressure vessel - has frusto-conical central part at specified cone angle |
| US5687633A (en) * | 1996-07-09 | 1997-11-18 | Westinghouse Air Brake Company | Insert type member for use in a flexible type pump diaphragm |
| CN201202081Y (en) * | 2008-05-14 | 2009-03-04 | 赵慧江 | Rubber barrier diaphragm for hydraulic breaking hammer energy accumulator |
| CN201396323Y (en) * | 2009-05-09 | 2010-02-03 | 张家口市宣化布柯玛液压设备制造厂 | Welded diaphragm accumulator |
| DE102015012357A1 (en) * | 2015-09-18 | 2017-03-23 | Hydac Technology Gmbh | hydraulic accumulator |
| CN206682289U (en) * | 2017-04-13 | 2017-11-28 | 河北西姆克科技股份有限公司 | Accumulator bowl-type diaphragm of rubber |
-
2017
- 2017-04-13 CN CN201710238467.3A patent/CN106989172B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2409736A1 (en) * | 1974-03-01 | 1975-09-11 | Langen & Co | Diaphragm in hydro-pneumatic pressure vessel - has frusto-conical central part at specified cone angle |
| US5687633A (en) * | 1996-07-09 | 1997-11-18 | Westinghouse Air Brake Company | Insert type member for use in a flexible type pump diaphragm |
| CN201202081Y (en) * | 2008-05-14 | 2009-03-04 | 赵慧江 | Rubber barrier diaphragm for hydraulic breaking hammer energy accumulator |
| CN201396323Y (en) * | 2009-05-09 | 2010-02-03 | 张家口市宣化布柯玛液压设备制造厂 | Welded diaphragm accumulator |
| DE102015012357A1 (en) * | 2015-09-18 | 2017-03-23 | Hydac Technology Gmbh | hydraulic accumulator |
| CN206682289U (en) * | 2017-04-13 | 2017-11-28 | 河北西姆克科技股份有限公司 | Accumulator bowl-type diaphragm of rubber |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332156A (en) * | 2019-08-14 | 2019-10-15 | 石家庄隆衢科技有限公司 | Diaphragm accumulator |
| CN110332156B (en) * | 2019-08-14 | 2024-06-04 | 石家庄隆衢科技有限公司 | Diaphragm type energy accumulator |
| CN112483483A (en) * | 2020-11-26 | 2021-03-12 | 河南工业职业技术学院 | Diaphragm energy storage ware of intelligence |
| CN112483483B (en) * | 2020-11-26 | 2023-03-31 | 河南工业职业技术学院 | Diaphragm energy storage ware of intelligence |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106989172B (en) | 2018-07-24 |
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