CN102700456A - External dimming motor device for automotive headlamp - Google Patents
External dimming motor device for automotive headlamp Download PDFInfo
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- CN102700456A CN102700456A CN2012101628803A CN201210162880A CN102700456A CN 102700456 A CN102700456 A CN 102700456A CN 2012101628803 A CN2012101628803 A CN 2012101628803A CN 201210162880 A CN201210162880 A CN 201210162880A CN 102700456 A CN102700456 A CN 102700456A
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- motor
- light modulation
- shell
- screw rod
- bonnet
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Abstract
The invention relates to an external dimming motor device for an automotive headlamp. A regulating mechanism comprises a dimming screw rod and a shaft sleeve connected with the dimming screw rod, wherein the shaft sleeve is supported in a bearing seat of a shell; a motor worm of a motor driving mechanism is arranged on an output shaft of a motor, two sides of a transmission shaft are respectively arranged on two shaft seats of the shell; a middle worm gear on the transmission shaft is meshed with the motor worm, a middle worm on the transmission shaft is meshed with a worm gear on a gear sleeve, and an inner hole of the gear sleeve is connected with the shaft sleeve through threads; and a circuit board arranged in the shell is electrically connected with the motor and is used for controlling the continuous operation of the motor, a rear cover is arranged at the rear part of the shell in a sealing mode, a manually regulating sleeve provided with bevel gears at the periphery or/and notches at the rear part is arranged on the rear cover in a sealing mode, and the manually regulating sleeve is connected with the rear part of the dimming screw rod. According to the device disclosed by the invention, dimming can be carried out by the motor or manually, the size and the weight of the whole device can bes reduced, and the cost is reduced.
Description
Technical field
The present invention relates to the external light modulation electric machine of a kind of car headlamp, belong to the self-propelled vehicle lighting technical field.
Background technology
As the eyes of automobile, car headlamp not only is related to the external image of automobile, more drive with night or the bad weather condition under safe driving be closely connected.
Head lamp is as important function part and appearance component on the automobile, and its luminous smooth type and direction of illumination can meet the vehicle light illumination standard-required.Under the influences such as car headlamp bears a heavy burden at boot, vibrations for a long time, height road conditions; Can produce the situation that direction of illumination departs from reference direction; Therefore need to regulate the direction of illumination of headlight photograph; The offset direction of the irradiation of headlight photograph is returned to reference direction, thereby improve the illuminating effect of head lamp.
The external light modulation electric machine of present head lamp mainly is made up of motor, shell and light modulation screw rod, and motor is installed on the shell, and motor is connected with the light modulation screw rod; Shell filling is on car headlamp, and the light modulation screw rod is anterior to be connected with the reflecting surface nut outside seat of head lamp, and dimmer switch is installed on the automobile instrument panel; During light modulation; Open dimmer switch, motor action also drives the light modulation screw rod and carries out fore and aft motion, moves and drive the head lamp reflective surface; With the height of accommodation reflex light focal length, thereby reach the effect of regulating head lamp.But present external light modulation electric machine is the motor direct-drive light regulating rod, and whole assembly axis is to longer dimension, cause device volume big, lay particular stress on.Moreover because the motor direct-drive light regulating rod moves axially, especially for heavy-duty vehicle, heavy duty luminous smooth type in back and direction of illumination are prone to again squint, and therefore need often carry out light modulation, are prone to cause the damage of motor, and increase use cost.
Summary of the invention
The object of the invention provides a kind of car headlamp external light modulation electric machine, both can adopt motor to carry out light modulation, also can carry out manual light modulation, can reduce volume and weight, subtracts and falls use cost.
The present invention is that the technical scheme that achieves the above object is: the external light modulation electric machine of a kind of car headlamp; It is characterized in that: comprise shell, bonnet, regulating mechanism, motor-driven mechanism, manual regulation cover and circuit card; Described regulating mechanism comprises light modulation screw rod and axle sleeve; The light modulation screw rod is installed in the axle sleeve, and sleeve supporting is in the supporting base of shell; Described motor-driven mechanism comprises motor, motor worm, transmission shaft and tooth cover; Motor is installed on the motor bearing of shell; Motor worm is installed on the motor output shaft; The both sides of transmission shaft are installed in respectively on two axle beds of shell, the worm gear engagement that middle worm screw on middle worm gear on the transmission shaft and motor worm engagement, the transmission shaft and tooth put, and tooth cover endoporus is connected with axle sleeve through screw thread; The circuit card of installing in the enclosure is electrically connected and controls even work of motor with motor; The bonnet sealing is installed in the rear portion of shell; Periphery is provided with finishing bevel gear cuter or/and the rear portion is provided with the manual regulation cover sealing of notch is installed on the bonnet, and the rear side of light modulation screw rod overlaps with manual regulation and is connected.
The present invention is installed in motor-driven mechanism and regulating mechanism in shell and the bonnet; Its motor-driven mechanism comprises motor, motor worm, transmission shaft and tooth cover, motor-driven motor worm and drive transmission shaft, through twice break-in with slow down after with power transmission tooth cover; Power is reached on the regulating mechanism; Because the tooth cover adopts with axle sleeve and is threaded, so driving the light modulation screw axial, moves power biography tooth cover back warp beam sleeve, realize the motor light modulation.The present invention also is equipped with the manual regulation cover on bonnet; The manual regulation cover connects with the light modulation screw rod; Therefore can operate periphery on the manual regulating sleeve finishing bevel gear cuter or/and the rear portion notch can not finely satisfy under the situation of requirement of light regulation, at electronic conditioning function through the rotation manual regulating sleeve; Make light regulating rod rotate and can move axially, realize manual regulation with manual regulating sleeve.
Worm gear and middle worm screw in the middle of the transmission shaft of invention is provided with, motor output shaft meshes and slows down to increase and turn round through motor worm and middle worm gear, and the worm gear that middle worm screw on the transmission shaft and tooth put only meshes; The above deceleration of realization two-stage increases to be turned round, again through the screw thread driving torque, and compact conformation, reasonable; Especially adopt two-stage worm and gear transfer torque, not only have self-locking property preferably, and drive torque is big; Can realize many gears adjustings, and can adopt the high speed DC machine to realize driving, not only can dwindle the volume of whole device; And can alleviate the weight of whole device, but cost-cutting simultaneously.
Description of drawings
Below in conjunction with accompanying drawing embodiments of the invention are done further to describe in detail.
Fig. 1 is the structural representation of the external light modulation electric machine of car headlamp of the present invention.
Fig. 2 is the A-A sectional structure scheme drawing of Fig. 1.
Fig. 3 is the B-B sectional structure scheme drawing of Fig. 1.
Fig. 4 is the cross-sectional view of the external light modulation electric machine of car headlamp of the present invention
Wherein: 1-light modulation screw rod, 1-1-shaft shoulder, 1-2-annular groove, 2-shell, 2-1-fixture block, 2-2-supporting base, 2-3-axle bed; 2-4-motor bearing, 3-bonnet, 3-1-bayonet socket, 3-2-draw-in groove, 4-manual regulation cover, 4-1-slot; 4-2-edge, 5-axle sleeve, 5-1-spacing ring, 6-tooth cover, 6-1-worm gear, 7-circuit card; 8-seal ring, 9-transmission shaft, 9-1-middle worm screw, 9-2-middle worm gear, 10-motor worm, 11-motor.
The specific embodiment
See shown in Fig. 1-4 that the external light modulation electric machine of car headlamp of the present invention comprises shell, bonnet 3, regulating mechanism, motor-driven mechanism, manual regulation cover 4 and circuit card 7.
See shown in Fig. 1-4 that regulating mechanism of the present invention comprises light modulation screw rod 1 and axle sleeve 5, this light modulation screw rod 1 is provided with screw thread; Light modulation screw rod 1 can adopt metal to process, and light modulation screw rod 1 is installed on the Connection Block of light fitting reflecting mirror, through moving axially of light modulation screw rod 1; The height of accommodation reflex light focal length; Thereby reach the effect of regulating head lamp, light modulation screw rod 1 is installed in the axle sleeve 5, and axle sleeve 5 is bearing in the supporting base 2-2 of shell 2 and can moves axially; Axle sleeve 5 peripheries are provided with screw thread and overlap being threaded of 6 endoporus with tooth, and power drives light modulation screw rod 1 through axle sleeve 5 and moves axially.See shown in Figure 2; The present invention is installed in light modulation screw rod 1 on the axle sleeve 5 for convenient, and light modulation screw rod 1 is provided with shaft shoulder 1-1, and shaft shoulder 1-1 on the light modulation screw rod 1 and axle sleeve 5 front end faces join; The spacing ring 5-1 at axle sleeve 5 rear portions is arranged in the annular groove 1-2 of light modulation screw rod 1; And light modulation screw rod 1 is provided with the axial limiting face, and same axle sleeve 5 also is provided with the joint face that matches, and the joint face on the light modulation screw rod 1 on axial limiting face and the axle sleeve 5 joins; Light modulation screw rod 1 is moved axially with axle sleeve 5 and rotate, can realize motor light modulation and manually light modulation.
See shown in Fig. 2-4 that motor-driven mechanism of the present invention comprises motor 11, motor worm 10, transmission shaft 9 and tooth cover 6, motor 11 is installed on the motor bearing 2-4 of shell 2; Motor worm 10 is installed on the motor output shaft, and the both sides of transmission shaft 9 are installed in respectively on the two axle bed 2-3 of shell 2, worm gear 9-2 and middle worm screw 9-1 in the middle of transmission shaft 9 is provided with; Middle worm screw 9-1 on middle worm gear 9-2 on the transmission shaft 9 and motor worm 10 engagements, the transmission shaft 9 and the worm gear 6-1 engagement on the tooth cover 6, tooth overlaps 6 endoporus and is connected with axle sleeve 5 through screw thread, and motor-driven mechanism reaches tooth with power and overlapped for 6 last times; The tooth cover rotates the axle sleeve 5 and the light modulation screw rod 1 that are threaded with it is moved axially; And reaching the purpose of motor light modulation, the present invention adopts two-stage worm and gear transfer torque, therefore has bigger drive torque; Can adopt the high speed DC machine; Realize the light modulation of many gears, cost-cutting reduces the volume and weight of whole device simultaneously.
See shown in Fig. 1-4 that the circuit card 7 that the present invention is installed in the shell 2 is electrically connected with motor 11, this circuit card 7 is electrically connected with dimmer switch, through 11 work of operation dimmer switch control motor.See shown in Fig. 1-4; Bonnet 3 sealings of the present invention are installed in the rear portion of shell 2, and the outer wall of stating shell 2 is provided with plural fixture block 2-1, and bonnet 3 is provided with cooresponding bayonet socket 3-1; The draw-in groove 3-2 of bonnet 3 is plugged on the outside of shell 2; Fixture block 2-1 on the shell 2 is connected on the bayonet socket 3-1 on the bonnet, and is provided with seal ring 8 between bonnet 3 and the shell 2, and it is efficient and convenient to change motor 11.
See shown in Fig. 1-4; Periphery of the present invention is provided with finishing bevel gear cuter or/and the rear portion is provided with manual regulation cover 4 sealings of notch is installed on the bonnet 3; And the rear side of light modulation screw rod 1 is connected with manual regulation cover 4, and manual regulation is overlapped 4 endoporus and had slot 4-1, and light modulation screw rod 1 is provided with the axial limiting face; In the slot 4-1 of the manual regulation cover 4 that light modulation screw rod 1 is inserted into; Manual regulation is overlapped 4 inboards and is provided with edge 4-2, and the edge 4-2 on the manual regulation cover 4 is connected on the madial wall of bonnet 3, between manual regulation cover 4 and the bonnet 3 seal ring 8 is installed.When needing manual light modulation; Through 4 turns of manual regulation gear; Rotating band is started the finishing bevel gear cuter on the regulating sleeve 4, or the notch on the manual regulation cover 4 that rotates through instrument, and the manual regulation that makes cover 4 drives light modulation screw rods 1 and rotates together; Drive the head lamp reflective surface through light modulation screw rod 1 and move, realize the manual regulation function.
Claims (5)
1. external light modulation electric machine of car headlamp; It is characterized in that: comprise shell (2), bonnet (3), regulating mechanism, motor-driven mechanism, manual regulation cover (4) and circuit card (7); Described regulating mechanism comprises light modulation screw rod (1) and axle sleeve (5); Light modulation screw rod (1) is installed in the axle sleeve (5), and axle sleeve (5) is bearing in the supporting base (2-2) of shell (2); Described motor-driven mechanism comprises motor (11), motor worm (10), transmission shaft (9) and tooth cover (6); Motor (11) is installed on the motor bearing (2-4) of shell (2); Motor worm (10) is installed on the motor output shaft; The both sides of transmission shaft (9) are installed in respectively on two axle beds (2-3) of shell (2); Middle worm screw (9-1) on middle worm gear (9-2) on the transmission shaft (9) and motor worm (10) engagement, the transmission shaft (9) meshes with the worm gear (6-1) on the tooth cover (6), and tooth cover (6) endoporus is connected with axle sleeve (5) through screw thread; The circuit card (7) that is installed in the shell (2) is electrically connected with motor (11); Bonnet (3) sealing is installed in the rear portion of shell (2); Periphery is provided with finishing bevel gear cuter or/and the rear portion is provided with manual regulation cover (4) sealing of notch is installed on the bonnet (3), and the rear side of light modulation screw rod (1) is connected with manual regulation cover (4).
2. the external light modulation electric machine of car headlamp according to claim 1; It is characterized in that: described manual regulation cover (4) endoporus has slot (4-1); Light modulation screw rod (1) is provided with axial qualification face, in the slot (4-1) of the manual regulation cover (4) that light modulation screw rod (1) is inserted into.
3. the external light modulation electric machine of car headlamp according to claim 1; It is characterized in that: said light modulation screw rod (1) is provided with the shaft shoulder (1-1); The shaft shoulder (1-1) on the light modulation screw rod (1) joins with axle sleeve (5) front end face, and the spacing ring (5-1) at axle sleeve (5) rear portion is arranged in the annular groove (1-2) of light modulation screw rod (1).
4. the external light modulation electric machine of car headlamp according to claim 1; It is characterized in that: the outer wall of said shell (2) is provided with plural fixture block (2-1); Bonnet 3 is provided with cooresponding bayonet socket (3-1); The draw-in groove (3-2) of bonnet (3) is plugged on the outside of shell (2), and the fixture block (2-1) on the shell (2) is connected on the bayonet socket (3-1) on the bonnet, and is provided with seal ring (8) between bonnet (3) and the shell (2).
5. the external light modulation electric machine of car headlamp according to claim 1; It is characterized in that: described manual regulation cover (4) inboard is provided with edge; Edge (4-2) on the manual regulation cover (4) is connected on the madial wall of bonnet (3), between manual regulation cover (4) and the bonnet (3) seal ring (8) is installed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012101628803A CN102700456A (en) | 2012-05-23 | 2012-05-23 | External dimming motor device for automotive headlamp |
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CN2012101628803A CN102700456A (en) | 2012-05-23 | 2012-05-23 | External dimming motor device for automotive headlamp |
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CN2012101628803A Pending CN102700456A (en) | 2012-05-23 | 2012-05-23 | External dimming motor device for automotive headlamp |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106240441A (en) * | 2016-08-17 | 2016-12-21 | 江苏中科朗恩斯车辆科技有限公司 | The external light dimming electric motor of car headlamp |
CN106627341A (en) * | 2016-12-21 | 2017-05-10 | 武汉通畅汽车电子照明有限公司 | Headlight dimming executor with full automatic manual and electric adjusting functions and dimming method |
CN111649298A (en) * | 2020-05-04 | 2020-09-11 | 嘉兴欧洛扬机械有限公司 | Guide structure of automobile headlamp dimming function |
Citations (7)
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JPH07186816A (en) * | 1993-11-04 | 1995-07-25 | Koito Mfg Co Ltd | Illumination axis adjusting device for head lamp |
EP0716954A2 (en) * | 1994-12-14 | 1996-06-19 | Ichikoh Industries Limited | Optical axis adjusting device for front illumination lamp |
CN1290617A (en) * | 1999-09-30 | 2001-04-11 | 株式会社小糸制作所 | Adjuster for front lamp of vehicle |
US20030223242A1 (en) * | 2002-05-30 | 2003-12-04 | Hirohisa Deguchi | Leveling apparatus for vehicle headlamp |
CN2698647Y (en) * | 2004-04-06 | 2005-05-11 | 上海小糸车灯有限公司 | Regulating mechanism for regulating illumination angle of vehicle head light |
CN101186192A (en) * | 2006-11-24 | 2008-05-28 | 市光工业株式会社 | Vehicle headlight leveling device and vehicle headlight equipped with leveling device |
CN202593361U (en) * | 2012-05-23 | 2012-12-12 | 常州星宇车灯股份有限公司 | External light-adjusting motor device for automobile headlamp |
-
2012
- 2012-05-23 CN CN2012101628803A patent/CN102700456A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07186816A (en) * | 1993-11-04 | 1995-07-25 | Koito Mfg Co Ltd | Illumination axis adjusting device for head lamp |
EP0716954A2 (en) * | 1994-12-14 | 1996-06-19 | Ichikoh Industries Limited | Optical axis adjusting device for front illumination lamp |
JP3161259B2 (en) * | 1994-12-14 | 2001-04-25 | 市光工業株式会社 | Headlight optical axis adjustment device |
CN1290617A (en) * | 1999-09-30 | 2001-04-11 | 株式会社小糸制作所 | Adjuster for front lamp of vehicle |
US20030223242A1 (en) * | 2002-05-30 | 2003-12-04 | Hirohisa Deguchi | Leveling apparatus for vehicle headlamp |
CN2698647Y (en) * | 2004-04-06 | 2005-05-11 | 上海小糸车灯有限公司 | Regulating mechanism for regulating illumination angle of vehicle head light |
CN101186192A (en) * | 2006-11-24 | 2008-05-28 | 市光工业株式会社 | Vehicle headlight leveling device and vehicle headlight equipped with leveling device |
CN202593361U (en) * | 2012-05-23 | 2012-12-12 | 常州星宇车灯股份有限公司 | External light-adjusting motor device for automobile headlamp |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106240441A (en) * | 2016-08-17 | 2016-12-21 | 江苏中科朗恩斯车辆科技有限公司 | The external light dimming electric motor of car headlamp |
CN106240441B (en) * | 2016-08-17 | 2019-03-22 | 江苏中科朗恩斯车辆科技有限公司 | The external light dimming electric motor of car headlamp |
CN106627341A (en) * | 2016-12-21 | 2017-05-10 | 武汉通畅汽车电子照明有限公司 | Headlight dimming executor with full automatic manual and electric adjusting functions and dimming method |
CN111649298A (en) * | 2020-05-04 | 2020-09-11 | 嘉兴欧洛扬机械有限公司 | Guide structure of automobile headlamp dimming function |
CN111649298B (en) * | 2020-05-04 | 2022-08-16 | 广州星耀汽车科技发展有限公司 | Guide structure of automobile headlamp dimming function |
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Application publication date: 20121003 |