CN103511411B - Method for manufacturing press-fit of the seal disc on part - Google Patents

Method for manufacturing press-fit of the seal disc on part Download PDF

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Publication number
CN103511411B
CN103511411B CN201310257964.XA CN201310257964A CN103511411B CN 103511411 B CN103511411 B CN 103511411B CN 201310257964 A CN201310257964 A CN 201310257964A CN 103511411 B CN103511411 B CN 103511411B
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CN
China
Prior art keywords
press
seal disc
fit
circumferential direction
circular arc
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.)
Active
Application number
CN201310257964.XA
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Chinese (zh)
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CN103511411A (en
Inventor
A·施洛特豪尔
L·莱格勒
R·文克
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
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Robert Bosch GmbH
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Publication date
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Publication of CN103511411A publication Critical patent/CN103511411A/en
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Publication of CN103511411B publication Critical patent/CN103511411B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B43/00Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • F16B43/001Washers or equivalent devices; Other devices for supporting bolt-heads or nuts for sealing or insulation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K25/00Uniting components to form integral members, e.g. turbine wheels and shafts, caulks with inserts, with or without shaping of the components
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B41/00Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
    • F16B41/002Measures against loss of bolts, nuts or pins

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
  • Gasket Seals (AREA)

Abstract

It is used to manufacture seal disc the present invention relates to one kind(30)In part(10), especially in the pressure tap of pressure sensor apparatus(13)The method of upper press-fit, its mode is the seal disc(30)It is placed on the part(10)On, and the seal disc(30)Material relative to the part(10)Press-fit is so that the seal disc(30)It is fixed on the part(10)On.It is proposed, according to the invention, that the press-fit passes through in the seal disc(30)Circumferencial direction on spaced press-in portion realize.The press-in portion is embodied as circular arc shaped sectors mutually spaced apart in a circumferential direction(32).

Description

Method for manufacturing press-fit of the seal disc on part
Technical field
The present invention from manufacture seal disc press-fit on part, especially in the pressure tap of pressure sensor apparatus Method is set out, methods described include the seal disc is placed on the part, and by the material of the seal disc relative to The part press-fit is so that the seal disc fixes method and step on the part.The present invention also includes sealing from one kind The device of disk and part, especially pressure tap sets out, wherein the seal disc be placed it is on the part and described close The material of closing disk is relative to the part press-fit so that the seal disc is fixed on the part.
Background technology
In part, for example, the so-called OEM portions of the shipment or transport as terminal buyer are provided in pressure sensor apparatus In the case of part, it is necessary to by the seal disc for belonging to the part it is anti-lose it is fixed on the part so that the part with The seal disc being fixed thereon can be installed in which can install by terminal buyer in a single job step.In order to seal Disk prevents losing ground and position is precisely fixed on this part, and the seal disc is placed on as this in defined installation site In the connecting tube of the part of setting and according to conventional press fit method be provided with punching press vestige, its mode be by punching press punch-pin with Circulation of certain power construction on the circumferencial direction of seal disc is recessed to be used as punching press vestige.Therefore, being set on its punching press side The punching press punch-pin for having the profile of corresponding geometry passes through the seal disc being positioned in defined position in connecting tube, wherein, obtain The punching press impression circulated in a circumferential direction is obtained, the seal disc is press-fitted in the company with losing using the punching press impression is anti- Adapter it included by groove outer peripheral edge on.Thus, the seal disc is maintained at the portion in installation site as defined in it On part, ensure that position is accurate in the transportation to terminal buyer.The part is with preventing what is be fixed thereon with losing Therefore seal disc prepares finally to be assemblied in corresponding system in which can install, such as high pressure storage spraying system (common rail) or Internal combustion engine, especially Diesel engine, it is not necessary to processing component and complicated, the separated extra work process of seal disc. The shortcoming of prior art is that the high introducing power in the range of 15 to 20kN is needed in punching press or press-fit process, to ensure institute Seal disc is stated to prevent losing ground press-fit on the part.The load peak formed herein can result in outstanding by glass header Its pressure sensor component for exposed to accommodating on the part is damaged.
The content of the invention
According to the present invention, it is proposed that a kind of method for manufacturing press-fit of the seal disc on part, its mode is institute Seal disc is stated to be placed on the part, and the seal disc material relative to the part press-fit so that the sealing Disk is fixed on the part, wherein, the press-fit passes through the spaced pressure on the circumferencial direction of the seal disc Enter portion's realization.
According to the present invention, it is also proposed that a kind of device including a seal disc and a part, wherein, the seal disc Place on the part and the seal disc material relative to the part press-fit so that the seal disc is fixed on institute State on part, wherein, the press-fit passes through the pressure spaced in a circumferential direction in the surface of the seal disc Enter portion's composition.
The method that the present invention has distinguishing characteristics in above-mentioned technical proposal this have the advantage that compared with prior art, existing Having needs relatively higher introducing power to realize the press-in using circulation in technology, the seal disc circlewise constructed is pressed securely Coordinate or fix on the part, but in the method according to the invention, on the contrary, significantly reducing strength consumption, its side Formula is to produce to amount to the active area reduced by several press-in portion arranged spaced reciprocally on the circumferencial direction of seal disc Or press-fit area, along with the introducing power required for correspondingly reducing.Therefore the danger of the parts damages is substantially reduced, Especially when the part is pressure-sensitive pressure sensor apparatus, according to the press-fit program of the present invention, the seal disc fortune It is defeated safely to prevent losing ground, be fixed on the pressure sensor apparatus,
The more of the method according to the invention are advantageously improved the measure that scheme and design are provided by the description below Obtain.
According to the design of the invention particularly simply realized, the press-in portion is embodied as mutual in a circumferential direction Circular arc shaped sectors spaced apart.In order to obtain power distribution as uniform as possible on seal disc in a circumferential direction, according to this hair Bright improvement project, the press-in portion is substantially so that uniform spacing is constituted each other in a circumferential direction.According to the present invention Further preferably provide, the press-fit is realized with least three circular arc shaped sectors in a circumferential direction, because in three circular arcs Shape section, can obtain and be obviously reduced relative to prior art power until 50% for firmly fixing the seal disc, described Three circular arc shaped sectors breach about the same between being formed with a circumferential direction and respectively identical arc length.
Brief description of the drawings
Illustrate embodiments of the invention in detail in the following description and the drawings.It is schematically depicted in the drawings and is wrapped View containing part:
Fig. 1 shows the sectional view of part, and the part is embodied as accommodating the middle pressure sensing of pressure sensor component thereon Device device, wherein, described device is included with externally threaded pressure tap and provided with the groove for accommodating seal disc;
Fig. 2 shows the downside view of Fig. 1 part, and seal disc is fixed with the part, wherein, the seal disc According to prior art by the seal disc punching press, the press-in portion that circulates in a circumferential direction be press-fitted in the part On, and
Fig. 3 shows the downside view of Fig. 1 part, and the part has the seal disc being fixed thereon, wherein, it is described Sealed packing according to the present invention by several press-in portion press-fits arranged spaced reciprocally in a circumferential direction on the part.
Embodiment
What Fig. 1 diagrammatically illustrated part 10 includes the schematic diagram of longitudinal section, and part 10 is embodied as pressure sensor apparatus, uses In the pressure measxurement of middle pressure scope and high pressure range.Therefore, part 10 has pressure sensor 11, it is electrically connected with pressure sensor 11 The contact 12 and pressure tap 13 connect, wherein, pressure tap 13, which has, internally to be offset and terminates on pressure sensor 11 Pressure channel 14 and external screw thread block 15.The radial direction of pressure tap 13 carry shoulder 16 and external screw thread block 15 threaded terminal it Between arrange circulating slot 17, for accommodating the seal disc that circlewise constructs.
Fig. 2 diagrammatically illustrates the bottom side of the part 10 with pressure tap 13 with partial enlarged drawing.In pressure tap 13, Pressure channel 14 extends internally in pressure tap 13, and seal disc 20 is arranged on the threaded terminal and platform for being arranged in external screw thread block 15 In groove between shoulder 16.Ring packing disk 20 is press-fitted in pressure tap 13 according to conventional press-fit technique, and its mode is to borrow Unshowned punching press punch-pin is helped, in being formed on the side of shoulder 16 on the circumferencial direction of seal disc circularly for seal disc 20 Recessed 22 or press-in portion of circulation.The material of seal disc 20 by this recessed 22 or punching press vestige be extruded and reach The internal edge of ring packing disk.Herein, the opening of the ring packing disk is shunk and the seal disc is press-fitted in In the groove.
Fig. 3 diagrammatically illustrates the bottom side of the part 10 with pressure tap 13.In figure 3, according to the press-fit of the present invention Method, by disposing the punching press vestige of circulation on the circumferencial direction of seal disc 30, seal disc 30 is press-fitted in the pressure of part 10 In power adapter 13.This punching press vestige is realized in a preferred embodiment of the invention, and its mode is mutual in a circumferential direction Every circular arc shaped sectors 32 be pressed into or recessed, circumference side of the circular arc shaped sectors 32 in the annular punching press side 31 of seal disc 30 Arrange upwards.
Therefore, seal disc 30 is placed into the pressure tap 13 of part 10 first, so that seal disc 30 is contained in accommodate It and reclined with the installation site on the shoulder 16 of pressure tap 13 in the groove that sets and with flushing, wherein, seal disc 30 Internal edge is in the region of the groove loosely around the pressure tap 13 on thread segment top.In the installation site of this determination In, (connect by the hollow cylindrical punching press punch-pin not shown in figure by the sliding block equally not shown in figure along pressure The movable soil fertility control of longitudinal extending axis of pipe 13), in another method step, press-in portion 32 forms the back of the body in seal disc 30 On the punching press side of destage shoulder 16, wherein, press-in portion 32 is constructed on the punching press side of seal disc 30 simultaneously in single process. Therefore, the punching press punch-pin has the corresponding flange highlightedly constructed on its punching press side.
Press-in portion recessed 32 is provided as the spaced circular arc shaped sectors press-in on the circumferencial direction of seal disc 30 Or be stamped into the surface of seal disc 30.Respectively directly between the circular arc shaped sectors arranged overlapping one another in circumferencial direction The breach of upper circulation is constant equal.The length circulated in a circumferential direction or arc length of each circular arc shaped sectors 32 are also divided It is inequal.In a preferred embodiment, the length in a circumferential direction or arc length of each circular arc shaped sectors with to each next The breach abutted directly against of adjacent segments is proportionally selected so that the arc length of circular arc shaped sectors 32 corresponds approximately to what is abutted directly against The breach observed in a circumferential direction between circular arc shaped sectors.Herein, the cylindrical sector is located at apart from the sealing On the center identical radius of disk.
By constructing press-in portion spaced in a circumferential direction on the surface of seal disc 30, in punching course, Material is extruded from the volume of seal disc 30 to its internal edge.Internally the material of edge displacement makes circular by seal disc 30 The opening of seal disc is shunk and forms the excircle section circular by seal disc 30 and seal disc 30 of pressure tap 13 herein Between connection.
In a preferred embodiment of the invention, the press-fit passes through mutual evenly-spaced circular arc in a circumferential direction Shape section 32 is realized, wherein each circular arc shaped sectors are between arc length about 60% and the circular arc shaped sectors being directly adjacent to respectively The breach observed in a circumferential direction is equally 60% so that each circular arc shaped sectors is evenly distributed in a circumferential direction.It is right In this embodiment, measurement display, relative to prior art, may be substantially reduced by the method according to the invention and prevent losing ground Introducing power required for fixing seal disk is until 50%.If the quantity of equally distributed circular arc shaped sectors exists in a circumferential direction Between 3 to 9 sections, good effect can be also obtained.
According to the present invention, for the anti-introducing power for losing ground press-fit seal disc 30 in typically 7-8kN (i.e. 7000- In the range of 8000N), wherein can obtain minimum value 6kN.Because when seal disc is press-fitted in pressure tap, especially existing In 18-20kN power working range, the pressure sensor component accommodated by glass header be it is dangerous, can according to the present invention Obtained power working range is moved in minimum 6kN to maximum 8kN in the distance of safety.
In an embodiment according to the present invention, three equably spaced circular arc areas in a circumferential direction are set Section, 60 ° of each arc length and each 60 ° of arc gap, amount to 180 °, relative to 360 ° of prior art.Therefore, resultant action area The simply half of the active area required for prior art.According to relational expression p=F/A, in formula, p represents pressure, and F represents power, A Area is represented, is obtained according to this embodiment of the invention, power is introduced and reduces 50%.In addition, in this reality of the present invention Apply in example, when arc length amounts to 3X60 °=180 °, the resultant action area is so selected so that for required for press-fit The previously given threshold value of power, especially 8kN is introduced not to be exceeded.

Claims (18)

1. one kind is used for the method for manufacturing press-fit of the seal disc (30) on part (10), its mode is the seal disc (30) Be placed on the part (10), and the seal disc (30) material relative to the part (10) press-fit so that described Seal disc (30) is fixed on the part (10), it is characterised in that the press-fit passes through the circle in the seal disc (30) Spaced press-in portion (32) is realized in circumferential direction.
2. according to the method described in claim 1, it is characterised in that resultant action area is so selected so that for the press-fitting The previously given threshold value of introducing power required for closing is not exceeded.
3. method according to claim 1 or 2, it is characterised in that the press-in portion (32) is embodied as mutually in circumference side Circular arc shaped sectors spaced upwardly.
4. method according to claim 1 or 2, it is characterised in that the press-in portion (32) is substantially with circumferencial direction Upper spacing uniform each other is constituted.
5. method according to claim 3, it is characterised in that the press-in portion (32) is with each is about in a circumferential direction Identical arc length is constituted.
6. method according to claim 4, it is characterised in that the press-in portion (32) is with each is about in a circumferential direction Identical arc length is constituted.
7. method according to claim 3, it is characterised in that the press-fit at least three circular arc on circumferencial direction Shape section is realized.
8. method according to claim 1 or 2, it is characterised in that the press-in portion (32) is located relative to the phase at center With on radius.
9. according to the method described in claim 1, it is characterised in that the part (10) is that the pressure of pressure sensor apparatus connects Manage (13).
10. method according to claim 2, it is characterised in that the threshold value is 8kN.
11. device of the one kind including a seal disc (30) and a part (10), wherein, the seal disc (30) is placed on institute State on part (10) and the seal disc (30) material relative to the part (10) press-fit so that the seal disc (30) Be fixed on the part (10), it is characterised in that the press-fit by the surface of the seal disc (30) in circle Spaced press-in portion (32) is constituted in circumferential direction.
12. device according to claim 11, it is characterised in that the press-in portion (32) is configured to mutually in circumferencial direction Upper circular arc shaped sectors spaced apart.
13. the device according to claim 11 or 12, it is characterised in that the press-in portion (32) is substantially with circumference side Uniform spacing is constituted relative to each other upwards.
14. device according to claim 12, it is characterised in that the press-in portion (32) uses in a circumferential direction about phase Deng arc length metering.
15. device according to claim 13, it is characterised in that the press-in portion (32) uses in a circumferential direction about phase Deng arc length metering.
16. device according to claim 12, it is characterised in that construct at least three circular arc areas in a circumferential direction Section.
17. the device according to claim 11 or 12, it is characterised in that the press-in portion (32) is located relative to center phase On same radius.
18. device according to claim 11, it is characterised in that the part (10) is pressure tap (13).
CN201310257964.XA 2012-06-29 2013-06-26 Method for manufacturing press-fit of the seal disc on part Active CN103511411B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
DE102012211289.8 2012-06-29

Publications (2)

Publication Number Publication Date
CN103511411A CN103511411A (en) 2014-01-15
CN103511411B true CN103511411B (en) 2017-09-12

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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

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CN (1) CN103511411B (en)
DE (1) DE102012211289A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5855397A (en) * 1997-04-02 1999-01-05 Cummins Engine Company, Inc. High-pressure sealable connector for a pressure sensor
EP2089684B1 (en) * 2006-11-22 2010-06-09 Danfoss A/S A pressure sensor
JP2010032239A (en) * 2008-07-25 2010-02-12 Denso Corp Pressure sensor
EP2224218B1 (en) * 2009-02-25 2018-11-28 Sensirion Automotive Solutions AG A sensor in a moulded package and a method for manufacturing the same

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DE102012211289A1 (en) 2014-01-02
CN103511411A (en) 2014-01-15

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