CN100343090C - Rearview mirror device for vehicle - Google Patents
Rearview mirror device for vehicle Download PDFInfo
- Publication number
- CN100343090C CN100343090C CNB2004800008898A CN200480000889A CN100343090C CN 100343090 C CN100343090 C CN 100343090C CN B2004800008898 A CNB2004800008898 A CN B2004800008898A CN 200480000889 A CN200480000889 A CN 200480000889A CN 100343090 C CN100343090 C CN 100343090C
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- Prior art keywords
- axle
- housing
- mentioned
- cylindrical portion
- mirror
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- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
A mirror device for a vehicle, comprising a hollow shaft (3) installed on a mirror base fixed to a vehicle body, a housing (5) incorporating a motor (6) to rotate a mirror unit between a use position and a retracted position and rotatably supported on the shaft (3) passed therethrough, and a cover (23) sealing the inside of the housing (5) by putting it on the housing (5).
Description
Technical field
The present invention relates to be installed in the mirror apparatus for use in vehicles of vehicle outside.
Background technology
In the past, the known favourable electrodynamic type mirror apparatus for use in vehicles that wing mirror unit is rotated automatically with actuating devices such as electrical motors between use location and placement location.This electrodynamic type mirror apparatus must prevent rainwater intrusion device inside.
Fig. 1 has showed the former automotive rear-view lens device (for example, with reference to patent documentation 1:2002-274261 communique) with waterproof construction.
As shown in Figure 1, mirror apparatus for use in vehicles has axle 100 and housing 110, and axle 100 one are darted on the rearview mirror holder (having omitted among the figure) that is fixed on the car body, become fixation side, and housing 110 can be bearing in around the axle 100 rotatably.
Axle 100 forms hollow shape, so that insert the lead (figure has omitted) that is used for electrical motor 120 supply capabilities in being contained in housing 110.
Open wide above the housing 110, portion disposes motor frame 111 within it, and electrical motor 120 remains on the motor frame 111.Electrical motor 120 is connected with circuit card (having omitted among the figure) in being arranged on housing 110, and the electric power by lead (omitting among the figure) supply is driven.Housing 110 utilizes the driving of electrical motor 120 around axle 100 rotations, comprises that the whole wing mirror unit of housing 110 and back mirror (having omitted among the figure) rotates between use location and placement location.
The rotation of this housing 110 realizes by the speed reduction gearing that is made of worm gear or worm and gear is set between the output shaft 121 of electrical motor 120 and housing 110.In addition, in Fig. 1, symbol 122 expressions constitute the worm gear of the part of speed reduction gearing.
Be formed with support tube portion 112 on the housing 110, axle 100 with support tube portion 112 contact conditions under connect housing 110.Therefore, while to slide on axle 100 in support tube portion 112 limits of housing 110 rotate.
Dispose along the engaging and disengaging gear 130 of the axis of axle 100 between axle 100 and the housing 110.Engaging and disengaging gear 130 also has: the collapse coil spring 134 of the clutch gear 132 of embedding axle 100 exterior pushnuts 131, thru shaft 100 and clutch support 133, insertion axle 100.Clutch gear 132 can rotate with respect to axle 100.Collapse coil spring 134 is compressed by clutch support 133 and pushnut 131, and utilizes its elastic force that clutch gear 132 and clutch support 133 are cooperated.
Such engaging and disengaging gear 130 rotates by manually making wing mirror unit, and when any external force effect made the wing mirror unit rotation, therefore cut-out between above-mentioned speed reduction gearing and the housing 110 so had nothing to do with electrical motor 120, and housing 110 can be rotated around axle 110.
In order to make electrical motor 120 waterproof, on housing 110, covered cover 140.Like this, the inside of housing 110 is sealed.In addition, housing 100 fore-ends (upper part) and cover 140 between form water proof structure.
Described water proof structure adopts following form, by motor frame 111 integrally formed urceolus portions 113 of extending upward along axle 100, form simultaneously from the curve 114 of urceolus portion 113 beginnings, and extend to form thin-wall inner cylinder portion 115 downwards from curve 114 to the direction bending of axle 100.In addition, on cover 140, form the folding portion 142 that contacts with curve 114 with the leading section of urceolus portion 113, on the other hand, make the leading section 100a of axle 100 form thin wall shape.Therefore, leading section 100a is inserted between urceolus portion 113 inner cylinder portion 115, make leading section 100a and inner cylinder portion 115 and urceolus portion 113 overlap each other (below, be called overlap condition), and, contact with the folding portion 142 of cover 140 by the end face that makes curve 114, keep overlap condition and waterproof.
; in the water proof structure in the past,, on cover 140, form folding portion 142 in order to keep the overlap condition of urceolus portion 113, axle 100 and inner cylinder portion 115; this folding portion 142 contacts with curve 114, and therefore axle 100 axially must add the length of folding portion 142 and the gauge of curve 114.Therefore, there is the problem that is difficult to shorten axle 100.
In addition,, must form urceolus portion 113, curve 114 and inner cylinder portion 115 for overlapping with axle 100, therefore, the problem of not only complex structure, and existence assembling difficulty.
Summary of the invention
The present invention considers that such prior art problem proposes, and purpose provides a kind of mirror apparatus for use in vehicles, and it can shorten the length of axle, and simple in structure, easy for installation, can realize the electrical motor waterproof really.
To achieve these goals, according to mirror apparatus of the present invention, it has: axle, be arranged on the rearview mirror holder that is fixed on the car body, and be hollow shape; Housing, inside are equipped with the electrical motor that wing mirror unit is rotated between use location and placement location, and above-mentioned axle connects wherein so that can be bearing in rotatably on the above-mentioned axle; Lid makes enclosure interior airtight by covering on the above-mentioned housing, and inventive point is to make above-mentioned lid to be formed with cylindrical portion and end face covering part, and described cylindrical portion is extended by the direction of principal axis along above-mentioned axle, and inserts above-mentioned axle, is entrenched in the outside of above-mentioned axle; Described end face covering part is axially crooked from the front end of described cylindrical portion, covers the perforation end face of above-mentioned axle.
Description of drawings
Fig. 1 is the section drawing that prior art constructions is shown;
Fig. 2 is the global sections figure of one embodiment of the present of invention;
Fig. 3 is the amplification sectional view of the III part among Fig. 2;
Fig. 4 inserts axle section drawing before among other embodiment of the present invention;
Fig. 5 is the section drawing that inserts Spindle Status among other embodiment;
Fig. 6 is the amplification sectional view that is equivalent to the III part among Fig. 2 among other embodiment of the present invention;
Fig. 7 is that lateral plan cuts open in the office of automotive rear-view lens device.
The specific embodiment
Embodiments of the invention shown in Figure 2 are to be applicable to mirror apparatus for use in vehicles shown in Figure 7.At first utilize Fig. 7 that the integral structure of automotive rear-view lens device is described.
In Fig. 7, rearview mirror holder 1 is fixed on the car bodies such as automotive door.There is driving mirror bracket 2 rearview mirror holder 1 inside, and one is equipped with the axle 3 that constitutes fixation side on the driving mirror bracket 2.On the axle 3 rotatable wing mirror unit 4 is installed.Wing mirror unit 4 rotates between applicable position (set-up positions) and placement location (dump position rearward).The housing 5 of thru shaft 3 is installed on the wing mirror unit 4, the electrical motor 6 of wing mirror unit 4 rotations is contained in the housing 5.By make housing 5 to electrical motor 6 supply capabilities, by described rotation wing mirror unit 4 is rotated, and between set-up positions and placement location, rotate around axle 3 rotations.The rotational force of described electrical motor 6 is delivered to housing 5 by speed reduction gearing 10.
In addition, housing 5 is provided with engaging and disengaging gear 11 among Fig. 7, in that wing mirror unit 4 is moved back into forwards under the obliquity situation, can realize described switching (with reference to Fig. 2) by manually carrying out.
As shown in Figure 2, the axle 3 of rearview mirror holder 1 one sides connects housing 5 at direction of principal axis.Between axle 3 and housing 5, dispose ball 13,, can realize the rotation of rearview mirror assemblies 7 (housing 5) smoothly by manual axle 3.
The circuit card (having omitted among the figure) that housing 5 internal configurations have control motor 6 to drive, the electric wiring that passes in the axle 3 is connected with circuit card.Be connected with the speed reduction gearing 10 (with reference to Fig. 7) that is made of worm gear or worm and gear etc. on the output shaft of electrical motor 6, the extreme gear by this speed reduction gearing 10 is connected with housing 5, housing 5 is just changeed respectively or reverses.
The axle 3 along axial perforation in housing 5 inside, on its axis, dispose engaging and disengaging gear 11.Engaging and disengaging gear 11 has: be entrenched in pushnut 17, the thru shaft 3 of axle 3 outsides clutch gear 18 and clutch support 19, be arranged on the collapse coil spring 20 between clutch gear 18 and the pushnut 17.
Clutch gear 18 constituted with respect to the 3 rotatable whiles of axle, can cooperate with clutch support 19.Collapse coil spring 20 utilizes the elastic force of compression to make 19 one-tenth mated condition of clutch gear 18 and clutch support by being pushed into nut 17 and clutch gear 18 compressions.
Such engaging and disengaging gear 11 rotates to the place ahead obliquity by manually making wing mirror unit 4, and when any external force effect made wing mirror unit 4 rotations, the connection between speed reduction gearing 10 and the housing 5 was cut off.Like this, housing 5 (wing mirror unit 4) is irrelevant with electrical motor 6, can rotate to the place ahead obliquity.
Below, the water proof structure among this embodiment is described.By cover 23 on housing 5 its inside is sealed.By the chimeric protrusion 24 that forms around the housing 5 and be formed at cover 23 relative position and and the chimeric chimeric slot part 25 of chimeric protrusion 24 between chimeric mutually, housing 5 is assembled on the cover 23.Because therefore the top of the position covering shell 5 of cover 23 except thru shaft 3 can prevent in the water intrusion housing 5 with cover 23.
And the part of thru shaft 3 is formed with cylindrical portion 31 and the end face covering part 32 that is connected with the upper end of covering cylindrical portion on the cylindrical portion 31 as shown in Figure 3 on cover 23.Like this, owing to be formed with cylindrical portion 31 and end face covering part 32, so the part of thru shaft 3 forms L shaped cross section on the cover 23.
End face covering part 32 is connected with the front end in cylindrical portion 31 by from the direction bending to axle 3 of the front end of cylindrical portion 31.End face covering part 32 covers the perforation end face 3a of the axle 3 that connects housing 5.Therefore, the length that is connected with from cylindrical portion 31 to the end face covering part 32 that is connected with becomes size corresponding to the thickness of axle 3.In this embodiment, the perforation end face 3a of axle 3 becomes thin-walled by step 3e, and end face covering part 32 is set the size corresponding to the size d of described thinner wall section for.
Like this, make the cylindrical portion 31 of the cover 23 of covering shell 5 be entrenched in the outside of axle 3, and end face covering part 32 is by covering the perforation end face 3a of axle 3, can prevents that sealing invades cover 5 inside from axle 3 with between covering 23.Like this, can make electrical motor 6 waterproof.
In described structure, for waterproof, as shown in Figure 1, needn't on cover, form the curve 114 that urceolus portion 113 and inner cylinder portion 115 are connected with, therefore can reduce the length of curve 114.Like this, can shorten the length of axle 3.
And, axle is inserted between urceolus portion 113 and the inner cylinder portion 114, needn't make them overlapping.Therefore, can assemble by simple structure at an easy rate, and, can carry out waterproof to electrical motor reliably.
In addition, axle 3 is kept by cover 23 by cylindrical portion 31, therefore can suppress it, and then can improve the operating characteristic of back mirror.
In addition, the maintenance structure of axle 3 as mentioned above, owing to become the operation of using back mirror and not have the structure that the cover 23 of influence keeps, therefore for the operation of maintenance itself and back mirror without any harmful effect, can stablize acquisition high-quality about the operability of water resistance and back mirror.
Fig. 4 and Fig. 5 illustrate other embodiment of the present invention.In this embodiment, the cylindrical portion 31 of cover 23 forms thinner than other part walls of cover 23, and tilts towards the direction of front end to axle 3 with free state.
Described inclination A is for example just enough in the direction of the axle 3 0.1mm level that tilts.By suitable design inclination A, when inserting axle 3 in the cylindrical portion 31, to shown in the solid line, cylindrical portion 31 is out of shape laterally by axle 3 extruding as the dotted line of Fig. 5.Owing to by described distortion, accumulate restoring force on the cylindrical portion 31,, further strengthen chimeric so the cylindrical portion 31 and the outside of axle 3 are closely cooperated by restoring force.Thereby can further guarantee waterproof.
Fig. 6 illustrates other embodiment.In this embodiment, and the difference of the foregoing description only is in cylindrical portion 31 and axle O shape ring 40 is arranged between 3, and other structures are same as the previously described embodiments.
Specifically, the inner peripheral surface that constitutes at it of cylindrical portion 31 has: the big footpath inner cylinder portion 34 that the path inner cylinder portion 33 that upper end and end face covering part 32 are connected with, the path inner cylinder portion that forms than the bottom in described path inner cylinder portion 33 33 are big, the tube side stage portion 35 that forms at the boundary position of described path inner cylinder portion 33 and big footpath inner cylinder portion 34.Corresponding, the leading section of the axle 3 that cylindrical portion 31 is chimeric constitutes at its outer peripheral face by constituting with the lower part: the upper end with connect the path urceolus 3b of portion that end face 3a is connected with, the big footpath urceolus portion 3c big than the path urceolus 3b of portion that forms in the bottom of the described path urceolus 3b of portion, at described path urceolus 3b of portion and the axle side stage portion 3d that forms of the boundary position of the urceolus 3c of portion greatly directly.
Therefore, O shape ring 40 is inserted in the path urceolus 3b of portion, and is installed between a side stage portion 35 and the axle side stage portion 3d, respectively with the outside of the path urceolus 3b of portion and the inner face closed contact of big footpath inner cylinder portion 34.
In this structure, cylindrical portion 31 and axle 3 can relative to have position deviation to carry out chimeric at direction of principal axis, but when O shape ring 40 allows above-mentioned position deviation, on the direction vertical with above-mentioned direction of principal axis respectively with a cylindrical portion 31 and axle 3 closed contacts.By this structure, the closed contact part is between path inner cylinder portion 33 and the path urceolus 3b of portion between cylindrical portion 31 and the axle 3, and O shape is encircled 40 place parts, by these closed contact parts, can prevent effectively that axle 3 from tilting, significantly improve the operating characteristic of back mirror, and further improve water resistance.
And, in this structure,,, assemble man-hour with reducing so can realize assembling automation owing to can pile up assembling by use O shape ring 40, can realize easily assembling.
The present invention is not limited to above embodiment, can carry out various modification.For example, the stacked elastic resin of the inner face of cylindrical portion 31 makes its outside 3f closed contact with axle 3 also passable.In this case, the resin-shaped of elastic resin and cover 23 becomes two kinds of colors, can make and make simply.
Application on the industry
According to the invention described above, because the cylindrical portion that forms on cover is entrenched in the outside of axle, the perforation end face that the end face covering part covers axle forms waterproof construction, thus can shorten axial length, thus can shorten the length of axle.In addition, becoming simple owing to cover axle, thus can assemble with simple structure, and can carry out the electrical motor waterproof reliably.
In addition,,, therefore can suppress axle and tilt, can improve the operability of back mirror because axle keeps with cover by cylindrical portion according to the present invention.In addition, because the operability of covering back mirror can not produce any adverse effect, realize special quality water resistance and back mirror operability so can stablize.
According to the present invention, owing to accumulate restoring force in cylindrical portion when making axle connect cylindrical portion, so cylindrical portion can be reliably and the outside closed contact of axle, realizes waterproof reliably.
And according to the present invention, cylindrical portion and axle can have under the relative position deviation situation chimeric at direction of principal axis, O shape ring allows above-mentioned position deviation, and on above-mentioned direction of principal axis and vertical direction respectively with above-mentioned cylindrical portion and above-mentioned axle closed contact, can prevent effectively that axle from tilting, significantly improve the operating characteristic of back mirror, and further improve water resistance.
In addition,, can pile up assembling, can realize assembling automation and assemble man-hour, thereby can assemble at an easy rate with reducing by using O shape ring 40.
Claims (3)
1. mirror apparatus for use in vehicles is characterized in that having:
Axle is arranged on the rearview mirror holder that is fixed on the car body, is hollow shape;
Housing, inside are equipped with the electrical motor that wing mirror unit is rotated between use location and placement location, and above-mentioned axle connects wherein so that can be bearing in rotatably on the above-mentioned axle;
Lid makes enclosure interior airtight by covering on the above-mentioned housing,
Above-mentioned lid is formed with cylindrical portion and end face covering part, and cylindrical portion is extended by the direction of principal axis along above-mentioned axle, and when inserting above-mentioned axle in above-mentioned housing, is entrenched in the outside of above-mentioned axle; The end face covering part in basic vertical described axial first direction bending, and covers the perforation end face of above-mentioned axle from the front end of described cylindrical portion in the mode that ends at described first direction.
2. mirror apparatus for use in vehicles according to claim 1 is characterized in that: above-mentioned cylindrical portion axially tilts towards front end with free state.
3. mirror apparatus for use in vehicles according to claim 1 is characterized in that: O shape ring is between above-mentioned cylindrical portion and above-mentioned axle.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP148857/2003 | 2003-05-27 | ||
| JP2003148857 | 2003-05-27 | ||
| JP052075/2004 | 2004-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1701003A CN1701003A (en) | 2005-11-23 |
| CN100343090C true CN100343090C (en) | 2007-10-17 |
Family
ID=35476673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800008898A Expired - Fee Related CN100343090C (en) | 2003-05-27 | 2004-05-27 | Rearview mirror device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100343090C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010195371A (en) * | 2009-02-27 | 2010-09-09 | Murakami Corp | Shaft structure of retractable outer mirror |
| JP6494371B2 (en) * | 2015-03-31 | 2019-04-03 | 株式会社村上開明堂 | Electric retractable visual recognition device for vehicles |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4444466A (en) * | 1982-01-28 | 1984-04-24 | Keeler Corporation | Universal joint seal and vibration damper for remotely actuated pivotal devices |
| US4696555A (en) * | 1985-05-14 | 1987-09-29 | Ichikoh Industries Limited | Electric remote control mirror apparatus |
| US5579178A (en) * | 1994-04-19 | 1996-11-26 | Murakami Kaimeido Co., Ltd. | Electrically powered foldable rearview mirror for automobiles including a sealing structure for a driving unit |
| JPH09207666A (en) * | 1996-02-07 | 1997-08-12 | Ichikoh Ind Ltd | Motor-driven storing and manual mirror surface adjusting type mirror device |
| JPH09207671A (en) * | 1996-02-07 | 1997-08-12 | Ichikoh Ind Ltd | Clutch gear holding structure in motor-driven storage and manual mirror surface adjusting type mirror device |
-
2004
- 2004-05-27 CN CNB2004800008898A patent/CN100343090C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4444466A (en) * | 1982-01-28 | 1984-04-24 | Keeler Corporation | Universal joint seal and vibration damper for remotely actuated pivotal devices |
| US4696555A (en) * | 1985-05-14 | 1987-09-29 | Ichikoh Industries Limited | Electric remote control mirror apparatus |
| US5579178A (en) * | 1994-04-19 | 1996-11-26 | Murakami Kaimeido Co., Ltd. | Electrically powered foldable rearview mirror for automobiles including a sealing structure for a driving unit |
| JPH09207666A (en) * | 1996-02-07 | 1997-08-12 | Ichikoh Ind Ltd | Motor-driven storing and manual mirror surface adjusting type mirror device |
| JPH09207671A (en) * | 1996-02-07 | 1997-08-12 | Ichikoh Ind Ltd | Clutch gear holding structure in motor-driven storage and manual mirror surface adjusting type mirror device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1701003A (en) | 2005-11-23 |
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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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071017 Termination date: 20130527 |