CN1213529C - Electric motor enclosure of ignitor including annular soft pad with seal and fixed center, and ignitor equipped therewith - Google Patents
Electric motor enclosure of ignitor including annular soft pad with seal and fixed center, and ignitor equipped therewith Download PDFInfo
- Publication number
- CN1213529C CN1213529C CN 00135585 CN00135585A CN1213529C CN 1213529 C CN1213529 C CN 1213529C CN 00135585 CN00135585 CN 00135585 CN 00135585 A CN00135585 A CN 00135585A CN 1213529 C CN1213529 C CN 1213529C
- Authority
- CN
- China
- Prior art keywords
- housing
- pedestal
- soft pad
- tubular body
- housing according
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 51
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000002950 deficient Effects 0.000 description 5
- 239000007858 starting material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000012190 activator Substances 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/10—Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
An electromotion motor housing (12) of a starting apparatus and a starting apparatus, which is characterized in that the basement (40) there includes an annular cushion (58, 74) on the periphery, the outer diameter of which is larger than the inner diameter of the housing (12) tubular body (24), and can elastically deformate such that continuously connecting with the inner wall (38) consisted of the housing (12) tubular body (24) of inner peripheral of the tubular body in order to ensure a sealing between the inner and outer of the housing, and determine a center corresponding to the back axial tag terminal (25) of housing (12) tubular body (24) with the board.
Description
Technical field
The present invention relates to a kind of housing of electro-motor of motor vehicle starting device.
More specifically, the present invention relates to such one type motor vehicle starting device electro-motor housing, axial end was by a tubular body that plate sealed after it comprised one, described plate comprises a tubular portion at its preceding athwartship plane, form a bearing that is used for electro-motor armature shaft rear portion rotary steering, and in described housing, a pedestal is fixed on the preceding athwartship plane of described plate, pedestal particularly comprises a guiding parts, and this guiding parts has an outer cover that holds brush and brush spring.
Background technology
One such housing is for example at french patent application No 9902416, is described in the notification number 2790335 and shows.
In this example shown in Figure 1, this housing comprises a plastic base, and this pedestal particularly is used to hold brush, brush spring, brushgear housing.This pedestal is fixed on the metallic plate, and this metallic plate comprises that one forms the tubular portion of motor armature axle rear portion bearing.
This metallic plate also comprises be used for attachment that this plate centers and the lug that is used for described plate is assemblied in the pull bar on the housing as tie point on the housing axial end.
A defective of the type housing be behind described plate front and housing axially simple between the end face contact the excellent sealing that is not enough to guarantee between enclosure interior and the outside.
In fact, because two kinds of relative materials are metals, therefore are difficult to distortion and are difficult to be suitable for fitting their defectives of shape each other.
Yet the front of described plate is coarse punching press, and the back axial end face of housing is cut off cursorily.Therefore these two parts have very big in shape, the defective on the surface state, on the size or the like.
In addition, the pulling force of rod assembly causes the distortion that described plate is slight, and this will make and axially occur gap on a plurality of zone lengths in housing shaft end behind described plate front and the housing between the end face.
Have again, must on the front of described plate, form attachment, to guarantee the centering complexity that this causes described plate to make with respect to the plate of housing axial end.
Summary of the invention
For overcoming these defectives, the objective of the invention is to propose a new case design, it seals more and need not form attachment in described plate front.
In this purpose, the present invention proposes the housing of the motor vehicle starting device electro-motor of an aforementioned type, it is characterized in that pedestal comprises an annular soft pad on its neighboring, the external diameter of described annular soft pad is greater than the internal diameter of housing tubular body, and it is an elastically deformable, so that contact with the housing tubular body madial wall that forms the tubular body inner rim continuously, make between enclosure interior and outside, to guarantee sealing, and axial end centers after making described plate with respect to the housing tubular body.
Because the elasticity of cushion has obtained a close contact between tubular body internal diameter and cushion.This device can be eliminated the defective of foozle and tubular body shape.
According to other features of the present invention:
-annular soft pad comprises a preceding guiding chamfering on the periphery of its preceding athwartship plane;
-cushion comprises an annular groove in athwartship plane thereafter, makes things convenient for its distortion when it is incorporated in the housing with box lunch;
The neighboring of-cushion and pedestal forms a single part;
-cushion is supported by the neighboring of a ring, and this ring is fixed by axially being clamped between pedestal and the described plate;
-cushion is a sealing ring, and it is installed in the outer radial groove of a pedestal;
-pedestal is with the plastic material manufacturing;
-cushion is with elastomeric material manufacturing synthetic or nature.
Description of drawings
Other feature and advantage of the present invention will be by displaying the reading of describing in detail below, for its understanding, we with reference to the accompanying drawings, therein:
-Fig. 1 is a fragmentary axial cross-section that part is cut open, and it shows a starter motor that has the electro-motor housing of the type of describing in document FR-A-2790335.
-Fig. 2 is a fragmentary axial cross-section that part is cut open, and it shows one and meets the electro-motor housing rear portion that training centre of the present invention is produced, and comprises an annular soft pad with single part production of pedestal;
-Fig. 3 is the zoomed-in view of the annular soft pad of a Fig. 2;
-Fig. 4 is and the similar view of Fig. 2, and it shows first embodiment of the present invention, and annular soft pad is a ring joint therein; And
-Fig. 5 is one and the similar view of Fig. 4, and it shows second embodiment of the present invention, and annular soft pad is being carried by a ring therein.
Embodiment
In the following description, identical mark mark is represented parts identical or that have similar function.
Fig. 1 shows a motor vehicle starting device 10 that has the electro-motor housing 12 of the sort of type of describing among the document FR-A-2790335.
Starting device 10 comprises an electro-motor 14 traditionally, and it is used for rotation and drives an armature shaft 16, and this axle extends from front to back, that is to say on figure from left to right.
Therefore, contactor 20 has a winding in known manner, and when it is produced moving of a removable fuse by one for example during the starting device switch activator, this fuse links to each other with a bar on being connected lever 22 with elastic type.
Electro-motor housing 12 comprises a tubular body 24 coaxial with armature shaft 16, is sealed by a metallic plate 26 at axial end portion 25 places thereafter.
Rib 36 radially contacts with axial madial wall, and described madial wall has been determined the inner rim of tubular body 24, centers with respect to the back axial end 25 of tubular body 24 to guarantee plate 26.
One circular base 40 is fixed on the preceding athwartship plane 32 of plate 26 by fixing pin 42.
A guiding parts 46 for example is fixed on the preceding athwartship plane 44 of pedestal 40 by clamping element and/or pin by known device (not shown).
Guiding parts 46 comprises guide housing 48, the latter with the form of a single part with generally be that columniform centerbody 50 is molded together.
Each guide housing 48 holds a brush 52, and brush is installed on the spring 54 on the preceding athwartship plane 44 that is bearing in pedestal 40 vertically.
Therefore guiding parts 46 is axially guided brush 52 with respect to the back athwartship plane 56 of a flat panel collector (not shown).
For more accurate, we are with list of references FR-A-2790335 or with reference to its corresponding application WO00/51209, and it shows guiding parts fixing on pedestal equally.
Electro-motor 14 is DC series winding types.It is used for offer it electric energy be converted into mechanical energy so that armature shaft 16 rotates.Its operation is known, does not need here to further describe.
For the reason of remembering, we will recall, and the mobile fuse of contactor makes suitable shape for contacting with a bar, and described bar is connected with a moving contact, so that contact with the link post of powering to electro-motor 14.
According to a starting device 10 typical operational modes, the power supply of contactor 20 makes starting element 18 move by control lever 22 by its removable fuse forward in the very first time, then, in second time, electro-motor 14 operations thereby 16 rotations of drive armature shaft.
The rotation of armature shaft 16 makes starting element 18 rotate, starting element can with the gear (not shown) engagement of the starting drive of for example internal combustion engine.
Fig. 2 shows the rear portion of the electro-motor housing 12 of the most preferred embodiment according to the present invention.
We will only describe and aforementioned those different housings 12 parts now.
According to most preferred embodiment of the present invention, circular base 40 radially extends until the madial wall 38 of tubular body 24.
Here annular soft pad 58 comprises the previous section 60 of an annular tooth cast that extends vertically forward.
Better, guiding chamfering 64 before this annular gear ring 60 comprises on the periphery of its preceding athwartship plane 62.
Best, annular soft pad 58 has the external diameter of big a little and tubular body 24 internal diameters.
According to most preferred embodiment of the present invention, annular soft pad 58 is also on athwartship plane 66 thereafter and relatively comprise an annular groove 68 with annular gear ring 60 basically.
Better, circular base 40 comprises an axial tubular skirt section 69 of extending forward on week within it.
The internal diameter of tubular skirt 69 is slightly less than the external diameter of tubular portion 34.
The assembling of plate 26 on housing 12 back axial ends 25 realizes by following mode.
On the preceding athwartship plane 44 of pedestal 40, assemble guiding parts 46 with brush 52 and spring 54.
Then, utilize fixing pin 42 pedestal 40 to be fixed on the preceding athwartship plane 32 of plate 26 by for example hot riveting or ultrasonic bond.This riveted joint particularly is suitable for the excellent sealing assembled.
The assembly that will so constitute is fixed on the back axial end face 28 of tubular body 24 then.
The external diameter of annular soft pad 58 is less times greater than the internal diameter of tubular body 24, and chamfering 64 has made things convenient for annular soft pad 58 introducing tubular bodies 24 before the guiding.
The elasticity that the plastic material of pedestal 40 is intrinsic, and the details of the shape of annular gear ring 60 makes the annular soft pad 58 possible shape defect of cylindrical side wall in the tubular body 24 38 of can fitting, and therefore help to realize a good sealing.
Annular soft pad 58 is incorporated into pedestal 40, and pedestal itself is centered with respect to plate 26 by fixing pin 42, so this is particularly conducive to the parts that use annular soft pad 58 to center with respect to the back axial end 25 of tubular body 24 as plate 26.
Therefore, under the situation of the housing 12 that meets the present invention instruction, just no longer need to be provided with one in the front of plate 26 and be used to the circumferential rib 36 that centers as shown in Figure 1.This has just simplified plate 26 and has reduced its cost.
In addition, pedestal 40 is centered on tubular portion 34 by its tubular skirt 69, and tubular portion 34 makes armature shaft 16 center on the surface within it.
Therefore device according to the present invention has guaranteed armature shaft 16 centering especially accurately with respect to tubular body 24.
The internal diameter of the tubular skirt 69 that contacts with 34 interior weeks of tubular portion is slightly less than the external diameter of this tubular portion 34.
The danger that does not collimate that this device can avoid all possible because assemblage gap to cause, and help enhanced leaktightness.
In fact, water may enter between plate 26 and the pedestal 40, but, opposite with housing 12 according to the starting device of prior art, water can not pass through and enter between pedestal 40 and the tubular body 24, can not through and enter between pedestal 40 and the bearing 34, and pedestal 40 within it between week and the periphery without any the hole.
Should be noted that tubular portion 34 portion within it is a needle bearing by a bearing here, the rear portion of armature shaft 16 is assembled therein.
In known manner, plate 26 has the projection (not marking) of a band conical end at the center, and the rear end of the chamfering of tubular portion 34 is installed herein with the form of welding on this projection.Tubular skirt 69 can be eliminated manufacturing tolerance and guarantee the good precision that centers.
(not shown) according to another embodiment of the invention, pedestal 40 be with the plastics manufacturing, and annular soft pad 58 is with synthetic or natural elastic material, realizes by or co-extruded co-molded with pedestal 40.
Fig. 4 has represented the embodiment of first variation of the present invention.
The parts of the housing 12 of electro-motor are with respect to the axis symmetry of armature shaft 16, and what therefore only show housing 12 rear portions partly cuts open figure.
Change according to this, pedestal 40 radially extends the madial wall 38 up to the tubular body 24 of housing 12, and the external diameter of pedestal 40 is less than the internal diameter of tubular body 24.
A sealing ring 74 is an O-ring seals here, is installed in the radial slot 72.
Sealing circle 74 is as annular soft pad 58.Its external diameter is greater than the internal diameter of tubular body 24, so that madial wall 38 Continuous Contact of it and tubular body 24, with the sealing between the inside and outside that guarantees housing 12.
Should be noted that sealing circle 74 can also make plate 26 center with respect to the back axial end of tubular body 24.
Certainly, pedestal 40 can also comprise the groove that a shape and radial slot 72 are different on its periphery, and chamfering for example is to hold sealing ring 74.Yet sealing ring 74 must radial effect, and with madial wall 38 Continuous Contact of tubular body 24.
Fig. 5 is to illustrate the embodiment of second variation of the present invention with the similar mode of Fig. 4.
Change according to this, similar on annular soft pad 58 and Fig. 2, but it does not become single parts with pedestal 40.Here annular soft pad 58 is supported by the periphery of a ring 76.
Annular soft pad 58 always radially is inserted between the madial wall 38 of the periphery of pedestal 40 and tubular body 24.
Better, ring 76 is with synthetic or natural elastomeric material manufacturing, and pedestal 40 is made with for example plastic material.
In all cases, cushion and tubular body 24 interior the contacts continuously in week that form by madial wall 38.
Claims (12)
1. the housing (12) of the electro-motor (14) of a motor vehicle starting device (10), it comprises the tubular body (24) that axial end after (25) is sealed by a plate (26), described plate comprises a tubular portion (34) at its preceding athwartship plane (32), this tubular portion (34) forms a bearing that is used to armature shaft (16) the rear portion rotary steering of electro-motor (14), and in described housing (12), a pedestal (40) is fixed on the preceding athwartship plane of described plate (26) (32), described pedestal (40) comprises a guiding parts (46), described guiding parts is equipped with an outer cover (48) that holds brush (52) and brush spring (54), it is characterized in that, described pedestal (40) comprises a sealing device (58 on its neighboring, 74), the external diameter of sealing device is greater than the internal diameter of housing (12) tubular body (24), thereby can interference fit be installed in the described tubular body (24), and the sealing device is an elastically deformable, so that tubular body (24) madial wall (38) with the housing (12) that forms tubular body (24) inner rim contacts continuously, sealing between thereby assurance housing (12) is inside and outside and described plate (26) center with respect to tubular body (24) the back axial end (25) of housing (12).
2. housing according to claim 1 (12) is characterized in that, described sealing device is made of an annular soft pad (58).
3. housing according to claim 2 (12) is characterized in that, described annular soft pad (58) comprises a preceding guiding chamfering (64) on the periphery of its preceding athwartship plane (62).
4. housing according to claim 3 (12) is characterized in that, described annular soft pad (58) comprises an annular groove (68) in athwartship plane (66) thereafter, makes things convenient for its distortion when it is incorporated in the housing (12) with box lunch.
5. housing according to claim 2 (12) is characterized in that, described annular soft pad (58) makes independent parts with the neighboring of described pedestal (40).
6. housing according to claim 3 (12) is characterized in that, described annular soft pad (58) is supported by the neighboring of a ring (76), and described ring is fixed by axially being clamped between pedestal (40) and the described plate (26).
7. housing according to claim 2 (12) is characterized in that, described annular soft pad (58) is a sealing ring (74), and the sealing circle is installed in the outer radial groove (72) of described pedestal (40).
8. housing according to claim 2 (12) is characterized in that, described pedestal (40) is with the plastic material manufacturing.
9. housing according to claim 7 (12) is characterized in that, described annular soft pad (58) is with synthetic or natural elastomeric material manufacturing.
10. housing according to claim 1 (12) is characterized in that, described sealing device is made of a sealing ring (74).
11. housing according to claim 1 (12), it is characterized in that, described pedestal (40) comprises a tubular skirt (69) on week within it, this skirt section contacts with the tubular portion (34) that forms described plate (26) bearing, and its internal diameter is slightly less than the external diameter of described tubular portion, thereby described tubular skirt and described tubular portion form interference fit.
12. a starting device is characterized in that it comprises a housing according to claim 1 (12).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9916090A FR2802727B1 (en) | 1999-12-20 | 1999-12-20 | ELECTRIC MOTOR HOUSING OF A STARTER COMPRISING A SEALING AND CENTERING SOCKET AND STARTER COMPRISING SUCH A HOUSING |
| FR9916090 | 1999-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1301076A CN1301076A (en) | 2001-06-27 |
| CN1213529C true CN1213529C (en) | 2005-08-03 |
Family
ID=9553502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00135585 Expired - Fee Related CN1213529C (en) | 1999-12-20 | 2000-12-20 | Electric motor enclosure of ignitor including annular soft pad with seal and fixed center, and ignitor equipped therewith |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100650704B1 (en) |
| CN (1) | CN1213529C (en) |
| FR (1) | FR2802727B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110462945A (en) * | 2017-06-23 | 2019-11-15 | 斯特曼-技术有限公司 | ground contact |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1354666A (en) * | 1963-04-25 | 1964-03-06 | Cav Ltd | Electric motor |
| US3772921A (en) * | 1972-12-21 | 1973-11-20 | Gen Motors Corp | Engine starter |
| FR2729514A1 (en) * | 1995-01-13 | 1996-07-19 | Valeo Equip Electr Moteur | ROTATING ELECTRIC MACHINE PROVIDED WITH IMPROVED ASSEMBLY AND SEALING MEANS |
-
1999
- 1999-12-20 FR FR9916090A patent/FR2802727B1/en not_active Expired - Fee Related
-
2000
- 2000-12-19 KR KR20000078692A patent/KR100650704B1/en not_active Expired - Fee Related
- 2000-12-20 CN CN 00135585 patent/CN1213529C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110462945A (en) * | 2017-06-23 | 2019-11-15 | 斯特曼-技术有限公司 | ground contact |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1301076A (en) | 2001-06-27 |
| KR20010067455A (en) | 2001-07-12 |
| FR2802727A1 (en) | 2001-06-22 |
| KR100650704B1 (en) | 2006-11-27 |
| FR2802727B1 (en) | 2002-01-18 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050803 Termination date: 20191220 |