CN103511411A - Method for generating press fit of seal disk on component - Google Patents
Method for generating press fit of seal disk on component Download PDFInfo
- Publication number
- CN103511411A CN103511411A CN201310257964.XA CN201310257964A CN103511411A CN 103511411 A CN103511411 A CN 103511411A CN 201310257964 A CN201310257964 A CN 201310257964A CN 103511411 A CN103511411 A CN 103511411A
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- CN
- China
- Prior art keywords
- seal disc
- circumferential direction
- parts
- pressed
- press fit
- 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
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 description 19
- 238000012856 packing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 244000287680 Garcinia dulcis Species 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
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- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
- F16B43/001—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts for sealing or insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K25/00—Uniting components to form integral members, e.g. turbine wheels and shafts, caulks with inserts, with or without shaping of the components
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to a method for generating press fit of a seal disk (30) on a component (10), in particular on a pressure adapter (13) of a pressure sensor device. The method comprises placing the seal disk (30) on the component (10), wherein a material of the seal disk (30) is in press fit relative to the component (10) so that the seal disk (30) is fixed on the component (10). According to the invention, the press fit is realized by press-in parts which are separated in the circumferential direction of the seal disk (30). The press-in parts are arc sections (32) separated in the circumferential direction.
Description
Technical field
The present invention from manufacture seal disc on parts, the method for press fit in the pressure tap of pressure sensor apparatus especially, described method comprises described seal disc is placed on described parts, and by the material of described seal disc with respect to described parts press fit so that described seal disc is fixed on the method step on described parts.The present invention is also from a kind of seal disc and parts of comprising, especially the device of pressure tap sets out, wherein said seal disc be placed on described parts and the material of described seal disc with respect to described parts press fit so that described seal disc be fixed on described parts.
Background technique
At parts, for example at pressure sensor apparatus, stipulate under the situation as the terminal buyer's shipment or the so-called OEM parts of transportation, described parts and seal disc fixed thereon anti-the losing of the seal disc that belongs to described parts must be fixed on described parts, so that can be installed and install by the terminal buyer in a single job step.For seal disc being prevented to losing Di Qie position is accurately fixed on this parts, described seal disc is placed on for this reason on the connecting tube of the parts that arrange and is provided with punching press vestige according to conventional press fit method in the mounting point of regulation, and its mode is that by punching press punch, to using the circulation that certain power is configured on the circumferencial direction of seal disc recessed as punching press vestige.For this reason, the position that the punching press punch that is provided with the profile of corresponding geometrical shape in its punching press side is passed in regulation is positioned at the seal disc on connecting tube, wherein, obtain the punching press impression of circulation in a circumferential direction, described seal disc utilizes described punching press impression to prevent losing in the outer periphery of its included groove that is force-fitted in described connecting tube.Thus, described seal disc remains on described parts in the mounting point of its regulation, even if guarantee that in the transportation process to the terminal buyer position is accurate.Described parts with anti-lose seal disc fixed thereon so can install prepare to be finally assemblied in corresponding system, as stored ejecting system (rail altogether) or internal-combustion engine at high pressure, especially diesel engine, does not need the extra work process complicated, that separate of processing unit and seal disc.The shortcoming of prior art is when punching press or press-fit process, to need the height within the scope of 15 to 20kN to introduce power, to guarantee, anti-the losing of described seal disc is force-fitted on described parts.The load peak here forming can cause especially exposing by glass header the pressure sensor component being contained on described parts to be damaged.
Summary of the invention
Having the advantage that the method for the distinguishing characteristics of claim 1 compared with prior art has is, need in the prior art relatively higher introducing power to utilize being pressed into of circulation to realize, by the seal disc press fit or be fixed on described parts securely of structure circlewise, but in the method according to the invention, on the contrary, significantly reduced strength consumption, its mode is to be produced and amounted to active area or the press fit area reducing by several portions of being pressed into that arrange spaced reciprocally on the circumferencial direction of seal disc, is accompanied by and correspondingly reduces needed introducing power.Therefore significantly reduce the danger of described parts damages, especially when described parts are pressure-sensitive pressure sensor apparatus, according to press fit program of the present invention, described seal disc transportation safety ground, anti-losing, is fixed on described pressure sensor apparatus,
The how favourable improvement project of the method according to this invention and the measure that design proposal provides by dependent claims obtain.
According to the special design proposal of the present invention realizing simply, described in the portion of being pressed into be embodied as spaced circular arc section in a circumferential direction.In order to obtain in a circumferential direction as far as possible power uniformly on seal disc, distribute, according to improvement project of the present invention, described in the portion of being pressed into substantially with in a circumferential direction each other uniformly spacing form.According to the present invention, also preferably provide, described press fit is with at least three circular arc sections realizations in a circumferential direction, because at three circular arc sections, can obtain with respect to prior art power and obviously reduce until 50% for firmly fixing described seal disc, described three circular arc sections are formed with in a circumferential direction approximately identical each other breach and distinguish identical arc length.
Accompanying drawing explanation
At length illustrate in the following description and the drawings embodiments of the invention.The view of schematically illustrated comprised parts in the accompanying drawings:
Fig. 1 illustrates the sectional view of parts, and described parts are embodied as the middle pressure sensor device that accommodates pressure sensor component on it, and wherein, described device comprises having externally threaded pressure tap and be provided with for holding the groove of seal disc;
Fig. 2 illustrates the downside view of the parts of Fig. 1, on described parts, is fixed with seal disc, and wherein, described sealed packing is force-fitted on described parts by the portion of being pressed into punching press on described seal disc, circulation in a circumferential direction according to prior art, and
Fig. 3 illustrates the downside view of the parts of Fig. 1, and described parts have seal disc fixed thereon, and wherein, described sealed packing is force-fitted on described parts by several portions of being pressed into that arrange spaced reciprocally in a circumferential direction according to the present invention.
Embodiment
Fig. 1 illustrates the schematic diagram that comprises longitudinal section that parts 10 are described, parts 10 are embodied as pressure sensor apparatus, for the pressure measurement of pressure scope and high pressure range.For this reason, parts 10 have pressure transducer 11, the contact 12 being electrically connected to pressure transducer 11 and pressure tap 13, and wherein, pressure tap 13 has at internal blas and finishes pressure channel 14 and the outside thread piece 15 on pressure transducer 11.Radially carrying between shoulder 16 and the screw thread terminal of outside thread piece 15 of pressure tap 13, arrange circle groove 17, for holding the seal disc of structure circlewise.
Fig. 2 illustrates the parts 10 bottom side with pressure tap 13 is described with partial enlarged drawing.In pressure tap 13, pressure channel 14 extends internally in pressure tap 13, and seal disc 20 is arranged in the screw thread terminal and the groove between shoulder 16 that is arranged in outside thread piece 15.Ring packing dish 20 is force-fitted in pressure tap 13 according to conventional press fit technique, its mode is by unshowned punching press punch, is formed on the circumferencial direction of seal disc circularly recessed 22 of circulation or be pressed into portion in the side that deviates from shoulder 16 of seal disc 20.The material of seal disc 20 by this recessed 22 or punching press vestige be extruded and arrive the internal edge of ring packing dish.Here, the contraction of the opening of described ring packing dish and described seal disc are press-fitted in described groove.
Fig. 3 illustrates the parts 10 bottom side with pressure tap 13 is described.In Fig. 3, according to press fit method of the present invention, by settling the punching press vestige of circulation on the circumferencial direction at seal disc 30, seal disc 30 is force-fitted in the pressure tap 13 of parts 10.Realize in a preferred embodiment of the invention this punching press vestige, its mode is that the circular arc section 32 of space is in a circumferential direction pressed into or is recessed into, and described circular arc section 32 is arranged on the circumferencial direction of the annular punching press side 31 of seal disc 30.
For this reason, first seal disc 30 is placed in the pressure tap 13 of parts 10, so that seal disc 30 is contained in as holding in the groove that it arranges and flushing and recline with shoulder 16Shang mounting point in pressure tap 13, wherein, the internal edge of seal disc 30 in described Cao region loosely around the pressure tap 13 on thread section top.In this definite mounting point, by unshowned in the drawings hollow cylindrical punching press punch (controlling along the movable soil fertility of longitudinal extending axis of pressure tap 13 by unshowned equally in the drawings slide block), in other method step, be pressed in the punching press side that deviates from shoulder 16 that portion 32 is formed on seal disc 30, wherein, be pressed in the punching press side that portion 32 is configured in seal disc 30 in single course of working simultaneously.For this reason, described punching press punch has the corresponding flange of structure highlightedly in its punching press side.
Being pressed into portion or recessed 32 is provided as spaced circular arc section on the circumferencial direction of seal disc 30 and is pressed into or is stamped in the surface of seal disc 30.The breach of circulation in a circumferential direction directly overlapping each other respectively between the circular arc section of arranging is constant equal.Length or the arc length of the circulation in a circumferential direction of each circular arc section 32 also equate respectively.In a preferred embodiment, the length in a circumferential direction of each circular arc section or arc length and select pro rata to the breach of the direct adjacency of each next adjacent segments, make the breach of observing in a circumferential direction between the circular arc section of the approximately corresponding directly adjacency of arc length of circular arc section 32.Here, described cylindrical sector is positioned at apart from the identical radius in the center of described seal disc.
By constructing the portion that is pressed into of space in a circumferential direction on the surface at seal disc 30, in stamping process, the internal edge extruding of material from the volume of seal disc 30 to it.To the material of inner edge displacement make by seal disc 30 around the opening of seal disc shrink and here mineralization pressure take over 13 by seal disc 30 around excircle section and the connection between seal disc 30.
In a preferred embodiment of the invention, described press fit is by even isolated circular arc section 32 realizations mutually in a circumferential direction, wherein each circular arc section be arc length about 60% and respectively directly the breach of observing in a circumferential direction between contiguous circular arc section be 60% equally, each circular arc section is distributed in a circumferential direction equably.For this embodiment, measurement demonstration with respect to prior art, may significantly reduce the anti-needed introducing power of ground fixing seal dish that loses until 50% by the method according to this invention.If the quantity of equally distributed circular arc section, between 3 to 9 sections, also can obtain good effect in a circumferential direction.
According to the present invention, for the anti-introducing power that loses ground press fit seal disc 30, at 7-8kN(typically, be 7000-8000N) scope in, wherein can obtain minimum value 6kN.Because when seal disc is force-fitted in pressure tap, especially in the power operating range of 18-20kN, the pressure sensor component holding by glass header is adventurous, and according to the present invention, available power operating range, at minimum 6kN to maximum 8kN, is moved in the distance of safety.
In an embodiment according to the present invention, three spaced circular arc sections equably are in a circumferential direction set, 60 ° of 60 ° of each arc length and each arc gaps, amount to 180 °, with respect to 360 ° of prior art.Therefore, resultant action area is half of the needed active area of prior art.According to relation p=F/A, in formula, p represents pressure, and F represents power, and A represents area, obtains according to this embodiment of the invention, and introducing power reduces 50%.In addition,, in this embodiment of the present invention, when arc length amounts to 3X60 °=180 °, described resultant action area is selected like this, makes not to be exceeded for threshold value given in advance, the especially 8kN of the needed introducing power of press fit.
Claims (13)
1., the especially method of press fit pressure tap (13) at pressure sensor apparatus in upper at parts (10) for the manufacture of seal disc (30), its mode is that described seal disc (30) is placed on described parts (10), and the material of described seal disc (30) with respect to (10) press fit of described parts so that described seal disc (30) be fixed on described parts (10), it is characterized in that, described press fit realizes by the spaced portion (32) that is pressed on the circumferencial direction in described seal disc (30).
2. method according to claim 1, is characterized in that, described resultant action area is selected like this, makes not to be exceeded for threshold value given in advance, the especially 8kN of the needed introducing power of described press fit.
3. method according to claim 1 and 2, is characterized in that, described in be pressed into portion (32) and be embodied as mutually isolated circular arc section in a circumferential direction.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described in be pressed into portion (32) substantially with in a circumferential direction each other uniformly spacing form.
5. according to the method described in claim 3 or 4, it is characterized in that, described in be pressed into portion (32) and form by each approximately identical arc length in a circumferential direction.
6. according to the method described in any one in claim 3 to 5, it is characterized in that at least three circular arc sections (32) realization in a circumferential direction for described press fit.
7. according to the method described in any one in claim 1 to 6, it is characterized in that, described in be pressed into portion (32) and be positioned in the same radius with respect to center.
8. a device that comprises a seal disc (30) and parts (10), especially a pressure tap (13), wherein, the material that described seal disc (30) is placed on the upper and described seal disc (30) of described parts (10) with respect to (10) press fit of described parts so that described seal disc (30) be fixed on described parts (10), it is characterized in that, described press fit consists of the spaced portion (32) that is pressed in a circumferential direction in the surface in described seal disc (30).
9. device according to claim 8, is characterized in that, described in be pressed into portion (32) and be configured to mutually isolated circular arc section in a circumferential direction.
10. device according to claim 8 or claim 9, is characterized in that, described in be pressed into portion (32) substantially with in a circumferential direction each other uniformly spacing form.
11. according to the device described in claim 9 or 10, it is characterized in that, described in be pressed into approximately equal in a circumferential direction arc length metering for portion (32).
12. according to the device described in any one in claim 9 to 11, it is characterized in that, in a circumferential direction structure at least three circular arc sections (32).
Device in 13. according to Claim 8 to 12 described in any one, is characterized in that, described in be pressed into portion (32) and be positioned at respect on the identical radius in center.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012211289.8 | 2012-06-29 | ||
| DE201210211289 DE102012211289A1 (en) | 2012-06-29 | 2012-06-29 | Method for manufacturing caulking of sealing disk on component, involves caulking sealing disk material to component, where caulking takes place in circumferential direction of sealing disk through spaced-apart indentations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103511411A true CN103511411A (en) | 2014-01-15 |
| CN103511411B CN103511411B (en) | 2017-09-12 |
Family
ID=49754142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310257964.XA Active CN103511411B (en) | 2012-06-29 | 2013-06-26 | Method for manufacturing press-fit of the seal disc on part |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103511411B (en) |
| DE (1) | DE102012211289A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1196461A (en) * | 1997-04-02 | 1998-10-21 | 卡明斯发动机公司 | High-pressure sealable connector for pressure sensor |
| CN101553719A (en) * | 2006-11-22 | 2009-10-07 | 丹福斯有限公司 | A pressure sensor |
| JP2010032239A (en) * | 2008-07-25 | 2010-02-12 | Denso Corp | Pressure sensor |
| US20100212433A1 (en) * | 2009-02-25 | 2010-08-26 | Werner Hunziker | Sensor in a moulded package and a method for manufacturing the same |
-
2012
- 2012-06-29 DE DE201210211289 patent/DE102012211289A1/en active Pending
-
2013
- 2013-06-26 CN CN201310257964.XA patent/CN103511411B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1196461A (en) * | 1997-04-02 | 1998-10-21 | 卡明斯发动机公司 | High-pressure sealable connector for pressure sensor |
| CN101553719A (en) * | 2006-11-22 | 2009-10-07 | 丹福斯有限公司 | A pressure sensor |
| JP2010032239A (en) * | 2008-07-25 | 2010-02-12 | Denso Corp | Pressure sensor |
| US20100212433A1 (en) * | 2009-02-25 | 2010-08-26 | Werner Hunziker | Sensor in a moulded package and a method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103511411B (en) | 2017-09-12 |
| DE102012211289A1 (en) | 2014-01-02 |
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