CN102003434A - Hydraulic component with at least two different pressure zones and at least one functional element - Google Patents
Hydraulic component with at least two different pressure zones and at least one functional element Download PDFInfo
- Publication number
- CN102003434A CN102003434A CN2010102677051A CN201010267705A CN102003434A CN 102003434 A CN102003434 A CN 102003434A CN 2010102677051 A CN2010102677051 A CN 2010102677051A CN 201010267705 A CN201010267705 A CN 201010267705A CN 102003434 A CN102003434 A CN 102003434A
- Authority
- CN
- China
- Prior art keywords
- section
- functional element
- hydraulic unit
- sealing section
- contact
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 239000002131 composite material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
Classifications
-
- 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
- F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0672—Leakage or rupture protection or detection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/147—Details about the mounting of the sensor to support or covering means
Abstract
The invention relates to a hydraulic component with at least two different pressure zones and at least one functional element. The component (10) has at least two different pressure zones (12,14) and at least one functional element (18) traversing an adjacent sector (16) that separates different pressure zones (12, 14), wherein the adjacent sector (16) comprises a sealing sector (20) having a peripheral contact surface (34) that is supported against the functional element in an elastic manner and the contact surface (34) has at least one recess (40) that connects the different pressure zones.
Description
Technical field
The present invention relates to a kind of by claim 1 hydraulic unit as described in the preamble.
Background technique
Hydraulic unit with two pressure zoness of different is open by market.DE 102006045162A1 has put down in writing a kind of hydraulic manifold block that is used for automatic gearbox, and the lip ring that at least one surrounds valve body wherein is set in the zone of valve seat.
In addition, known by market, pressure transducer is integrated in the hydraulic unit.The gauge section of hydraulic unit has boring for this reason, and columniform element for example pressure sensor tube guiding passes this boring.At this, pressure sensor tube does not need to fill up fully the cross section of boring, but allows the annular space open wide.Hydraulic unit can ventilate by this annular space.
Summary of the invention
Technical problem of the present invention solves by the described hydraulic unit of claim 1 by a kind of.Favourable expansion design provides in the dependent claims.In addition, to invention and the feature of wanting of overstating is arranged in following explanation and accompanying drawing, no matter these features be individualism or become various combination, all most important to the present invention, need not to spell out once more.
The advantage that has by parts of the present invention is, do not expect during with operation that the leakage of the hydraulic oil that occurs drops to bottom line.Reduce the energy consumption of the oil hydraulic pump that produces pressure texture thus.Pressure sensor tube and the diameter tolerance of boring in the gauge section to meeting cause ventilate and thereby the influence of the cross section that leaks also be reduced or eliminate fully.In addition, the size of groove and thereby leak all temperature independent.
The present invention is based on such understanding, that is, the sealing of hydraulic unit and automatic (continuing) ventilation possibility are the requirements of two contradictions.Although the viscosity that exists manufacturing tolerances, temperature fluctuation or the hydraulic oil of related elements to change, especially this inevitably leaks itself and keeps very for a short time.For this reason, the present invention advises a kind of sealing section, it use around surface of contact abut on the functional element.At this, at least one groove is arranged in surface of contact, described groove connects two zones that pressure is different.According to the present invention, what replace simple annular space that sealing function and ventilation function are joined together is that these functions are separated.At this, by will around surface of contact abut in hermetically and realize sealing on the functional element.In addition, at least one groove for ventilation purpose with two zones of hydraulic unit with predetermined and couple together with the irrelevant mode of a plurality of external boundary conditionss.
In a kind of expansion design, advise, have a plurality of grooves that distribute and be provided with on every side at surface of contact.The advantage of a plurality of grooves is that at first each groove can have a small cross section, therefore in this position, the intensity of sealing section, rigidity and thereby sealing only be subjected to slightly influence.
A kind of design proposal regulation of the present invention, groove has rectangle or semicircular cross section.Limit the cross section of groove thus especially well, and Operational Limits is corresponding less to the influence of leaking.Equally, when the sealing section enlarges by functional element, produce a little distortion with rectangle or semicircular cross section.
A kind of specially suitable embodiment of the present invention is that the sealing section is designed to the pipe joint shape and is formed in the base portion place of gauge section and utilizes surface of contact spring ground (federelastisch) to abut on the functional element.The sealing section can simply and well be made in excellent sealing thus.
When the sealing section has at place, the end in its distally than it at the proximal end place during littler material thickness, better by device effect of the present invention.Can make the sealing section simply in this way, for example demoulding from die casting mould, and adaptive rigidity or elasticity are arranged respectively on its extension.This also is applicable to the possible moment of flexure that affacts on the sealing section.Functional element is accurately guided in the sealing section thus, thereby realizes good sealing function.
Subproposal, the sealing section extend in the higher zone of pressure.Additionally be pressed into by on-load pressure and improve sealing on the functional element by sealing section.
The present invention is particularly advantageous to be, the sealing section is made with composite.Compare with metal, composite is more cheap usually, and can make more simply.In addition, the general elasticity of composite material components is bigger.
A kind of application specifies of the present invention, functional element to small part is made with metal, especially pressure transducer.Metallic surface can be especially evenly and with lower surface roughness manufacturing.Therefore can be with reaching extra high sealing by sealing section of the present invention.
Description of drawings
Next exemplary form of implementation of the present invention is described with reference to the accompanying drawings.In the accompanying drawing:
Fig. 1 is the sectional drawing of first kind of form of implementation of the hydraulic unit of band pressure transducer;
Fig. 2 is second kind of form of implementation, along the sectional drawing of the line II-II among Fig. 1; And
Fig. 3 is and the similar sectional drawing of the third form of implementation of Fig. 2.
Embodiment
Even the element that function is suitable also uses identical reference character with parameter in different forms of implementation in institute's drawings attached.
Fig. 1 shows hydraulic unit 10 with partial cross sectional views (longitudinal section).It mainly comprises first area 12, second area 14 and is in gauge section 16 between these two zones 12 and 14, has different pressure in described two zones.Functional element 18 is passed gauge section 16 along the Vertical direction in the accompanying drawing.For this reason, a sealed department section 20 is arranged on gauge section 16, circumferentially surround functional element 18 along it in sealing portion section 20 lower half portion in its accompanying drawing.Gauge section 16 is fixed on the unspecified housing department section 22, and wherein, the gap that may be formed between gauge section 16 and the housing department section 22 seals by the second area 14 that O shape is encircled 24 relative hydraulic units 10.Arrow 26 expression pressure directions, wherein, the pressure in the current second area 14 will be higher than the pressure in first area 12.
Can see that functional element 18 12 is passed gauge section 16 and entered second area 14 from the first area, wherein, design has a surface of contact 34 in the zone of sealing section 20.Described surface of contact flatly abuts on the pressure sensor tube 30.The groove 36 that is arranged in top and conical extension has in the accompanying drawings been simplified the installation of pressure sensor tube 30 at gauge section 16.Low groove 38 offers the profile of sealing section 20 pipe joint shapes.
Can see a passage shape groove 40 that extends vertically in surface of contact 34, the cross section of described groove is current rectangular.By the connection that groove 40 forms between first area 12 and the second area 14, the second area 14 with elevated pressures can ventilate by this connection.Can see that in addition sealing section 20 is having on its distal end 42 than littler material thickness on its proximal end 44.Gauge section 16 is made with composite in current embodiment.
The sealing section 20 of pipe joint shape is formed in the base portion (not marking reference character) of gauge section 16 and locates.When not introducing pressure sensor tube 30 as yet, sealing section 20 has one slightly than at the little internal diameter in proximal end place at the distal end place.When importing pressure sensor tube 30, distal end elasticity enlarges.Surface of contact 34 in this way to radially towards pressure sensor tube 30 pretensions, this causes good sealing.As shown in Figure 2, sealing section 20 stretches into second area 14, and the low groove 38 of ring cavity shape belongs to second area.Therefore higher hydraulic pressure arranged in groove 38 equally, and the additional thus geocentric vertical of sealing section 20 affacts on the pressure sensor tube 30 inwardly.This has strengthened sealing effect.
Fig. 2 shows along the axial section of Fig. 1 center line II-II, but is another kind of form of implementation.Can see in form of implementation shown in Figure 2, no longer having only one, be evenly distributed in the axial notch of placing in the surface of contact 34 40 but be provided with four altogether, these grooves also have semicircular cross section.
Fig. 3 shows the same with Fig. 2 form of implementation that changes once more, wherein, is that with the difference of Fig. 2 axial notch 40 has the cross section of rectangle.
Claims (8)
1. a hydraulic unit (10), have at least two zone (12,14) and at least one functional element (18) that pressure is different, this functional element is passed the gauge section (16) that described at least two zones (12,14) are separated, it is characterized by, described gauge section (16) comprises sealing section (20), the sealing section utilize around surface of contact (34) abut on the described functional element (18), wherein, have at least one groove (40) in described surface of contact (34), this groove connects these two zones (12,14).
2. by the described hydraulic unit of claim 1 (10), it is characterized by, have a plurality of grooves (40) that distribute and be provided with of around described surface of contact (34), going up.
3. by one of aforementioned claim described hydraulic unit (10), it is characterized by, described groove (40) has rectangle or semicircular cross section.
4. by one of aforementioned claim described hydraulic unit (10), it is characterized by, described sealing section (20) is designed to the pipe joint shape and is formed in the base portion place of described gauge section (16) and abuts on the described functional element (18) with utilizing described surface of contact (34) spring.
5. by the described hydraulic unit of claim 4 (10), it is characterized by, described sealing section (20) is located to have than locating littler material thickness in its proximal end (44) in its distal end (42).
6. by claim 4 or 5 described hydraulic units (10), it is characterized by, described sealing section (20) extend in the higher zone of pressure (14).
7. by one of aforementioned claim described hydraulic unit (10), it is characterized by, described sealing section (20) is made with composite.
8. by one of aforementioned claim described hydraulic unit (10), it is characterized by, described functional element (18) to small part is made with metal, and especially pressure transducer (28; 30).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200910028999 DE102009028999A1 (en) | 2009-08-28 | 2009-08-28 | Hydraulic component for automatic gearbox of motor vehicle, has sealing sector including peripheral contact surface supported against functional element in elastic manner, where surface has recess that connects different pressure zones |
| DE102009028999.2 | 2009-08-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102003434A true CN102003434A (en) | 2011-04-06 |
| CN102003434B CN102003434B (en) | 2016-02-17 |
Family
ID=43524803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010267705.1A Expired - Fee Related CN102003434B (en) | 2009-08-28 | 2010-08-27 | Be with the hydraulic unit of at least two pressure zoness of different and at least one functional element |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102003434B (en) |
| DE (1) | DE102009028999A1 (en) |
| FR (1) | FR2949519B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917872A (en) * | 2015-12-23 | 2017-07-04 | 罗伯特·博世有限公司 | Mould component with underground |
| CN106917873A (en) * | 2015-12-23 | 2017-07-04 | 罗伯特·博世有限公司 | Mould component with underground |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021118601A1 (en) | 2021-07-19 | 2023-01-19 | Fte Automotive Gmbh | Pistons, gear selectors and gear shifting |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209285A (en) * | 1977-11-09 | 1980-06-24 | The Richardson Company | Unitary pump packing |
| US5299917A (en) * | 1993-02-16 | 1994-04-05 | Pioneering Concepts Incorporated | Evacuation pump system with check valves for both rigid and flexible containers |
| US5449278A (en) * | 1994-11-14 | 1995-09-12 | Lin; Chi-So | Double action piston having plural annular check valves |
| CN2228153Y (en) * | 1995-03-31 | 1996-05-29 | 詹丽华 | Structure-improved oil regulator of damping hydraulic cylinder |
| CN2232505Y (en) * | 1995-02-24 | 1996-08-07 | 王增江 | Air-liquid damping cylinder |
| US5681154A (en) * | 1997-01-06 | 1997-10-28 | Yang; Hsi-Kung | Air pump with dual air intakes |
| CN1185207A (en) * | 1996-04-01 | 1998-06-17 | 罗伯特·博施有限公司 | Pressure sensor and method for producing same |
| CN2410455Y (en) * | 2000-01-24 | 2000-12-13 | 詹丽华 | Damping hydraulic cylinder |
| CN2481889Y (en) * | 2001-06-05 | 2002-03-13 | 陈颖锋 | Three-stroke two-stage buffer hydraulic cylinder |
| US20040028545A1 (en) * | 2002-08-06 | 2004-02-12 | Ta-Chin Wang | Cylinder assembly for a mini air compressor |
| CN1877140A (en) * | 2006-04-27 | 2006-12-13 | 中冶连铸技术工程股份有限公司 | Hydraulic cylinder with static pressure support guide |
| CN2851679Y (en) * | 2005-09-30 | 2006-12-27 | 北京市液压技术研究所 | Hydraulic cylinder with mechanical lock |
| CN2900887Y (en) * | 2006-04-27 | 2007-05-16 | 中冶连铸技术工程股份有限公司 | Static pressure oil film guide hydraulic cylinder |
| GB2446480A (en) * | 2007-02-08 | 2008-08-13 | Ying-Che Huang | Portable air pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006045162A1 (en) | 2006-09-25 | 2008-04-03 | Robert Bosch Gmbh | hydraulic block |
-
2009
- 2009-08-28 DE DE200910028999 patent/DE102009028999A1/en not_active Withdrawn
-
2010
- 2010-08-26 FR FR1056779A patent/FR2949519B1/en not_active Expired - Fee Related
- 2010-08-27 CN CN201010267705.1A patent/CN102003434B/en not_active Expired - Fee Related
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209285A (en) * | 1977-11-09 | 1980-06-24 | The Richardson Company | Unitary pump packing |
| US5299917A (en) * | 1993-02-16 | 1994-04-05 | Pioneering Concepts Incorporated | Evacuation pump system with check valves for both rigid and flexible containers |
| US5449278A (en) * | 1994-11-14 | 1995-09-12 | Lin; Chi-So | Double action piston having plural annular check valves |
| CN2232505Y (en) * | 1995-02-24 | 1996-08-07 | 王增江 | Air-liquid damping cylinder |
| CN2228153Y (en) * | 1995-03-31 | 1996-05-29 | 詹丽华 | Structure-improved oil regulator of damping hydraulic cylinder |
| CN1185207A (en) * | 1996-04-01 | 1998-06-17 | 罗伯特·博施有限公司 | Pressure sensor and method for producing same |
| US5681154A (en) * | 1997-01-06 | 1997-10-28 | Yang; Hsi-Kung | Air pump with dual air intakes |
| CN2410455Y (en) * | 2000-01-24 | 2000-12-13 | 詹丽华 | Damping hydraulic cylinder |
| CN2481889Y (en) * | 2001-06-05 | 2002-03-13 | 陈颖锋 | Three-stroke two-stage buffer hydraulic cylinder |
| US20040028545A1 (en) * | 2002-08-06 | 2004-02-12 | Ta-Chin Wang | Cylinder assembly for a mini air compressor |
| CN2851679Y (en) * | 2005-09-30 | 2006-12-27 | 北京市液压技术研究所 | Hydraulic cylinder with mechanical lock |
| CN1877140A (en) * | 2006-04-27 | 2006-12-13 | 中冶连铸技术工程股份有限公司 | Hydraulic cylinder with static pressure support guide |
| CN2900887Y (en) * | 2006-04-27 | 2007-05-16 | 中冶连铸技术工程股份有限公司 | Static pressure oil film guide hydraulic cylinder |
| GB2446480A (en) * | 2007-02-08 | 2008-08-13 | Ying-Che Huang | Portable air pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917872A (en) * | 2015-12-23 | 2017-07-04 | 罗伯特·博世有限公司 | Mould component with underground |
| CN106917873A (en) * | 2015-12-23 | 2017-07-04 | 罗伯特·博世有限公司 | Mould component with underground |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102003434B (en) | 2016-02-17 |
| FR2949519A1 (en) | 2011-03-04 |
| FR2949519B1 (en) | 2015-08-14 |
| DE102009028999A1 (en) | 2011-03-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20170827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |