CN202008075U - Railway locomotive headlamp focal length regulating device - Google Patents
Railway locomotive headlamp focal length regulating device Download PDFInfo
- Publication number
- CN202008075U CN202008075U CN2011200271310U CN201120027131U CN202008075U CN 202008075 U CN202008075 U CN 202008075U CN 2011200271310 U CN2011200271310 U CN 2011200271310U CN 201120027131 U CN201120027131 U CN 201120027131U CN 202008075 U CN202008075 U CN 202008075U
- Authority
- CN
- China
- Prior art keywords
- slider
- focal length
- regulating
- slide block
- bakelite base
- 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
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a railway locomotive headlamp focal length regulating device, which is characterized by comprising a lamp seat, a slider, a bakelite base, balls, a regulating lead screw and a slider nut, wherein the lamp seat is fixed on the slider, the slider is mounted in the bakelite base, the slider nut is embedded on the slider, the regulating lead screw is connected with the slider nut, and the balls are distributed on the circumference of the slider and pressed into an arc groove on the bakelite base by the aid of a spring. A shaft sleeve is arranged at the bottom end of the bakelite base, an optical shaft of the regulating lead screw is connected with the shaft sleeve, and a lock nut is arranged on a thread outside the shaft sleeve. A boss is arranged on the regulating lead screw between the shaft sleeve and the lock nut. The railway locomotive headlamp focal length regulating device is capable of conveniently regulating a focus point of a light source of a railway locomotive headlamp, is labor-saving and smooth in regulating, uniform in stress, accurate in positioning and reliable in locking after regulating, and displacement caused by vibration during running of a railway locomotive is avoided.
Description
Technical field
The utility model relates to a kind of headlight of railroad locomotive and adjusts the focal length device.
Background technology
Most of lighting source of the present railway locomotive of China or halogen tungsten lamp, this light source power is big, brightness is low, the focus adjustment difficulty, light utilization efficiency is very low, does not meet the state basic policy of present energy-saving and emission-reduction.
The utility model content
The purpose of this utility model provides a kind of headlight of railroad locomotive and adjusts the focal length device, can regulate headlight of railroad locomotive light-resource fousing point easily, improves light utilization efficiency.
Technical problem to be solved in the utility model is achieved through the following technical solutions:
A kind of headlight of railroad locomotive is adjusted the focal length device, and it is characterized in that: described device comprises lamp socket, slide block, bakelite base, ball, adjusting leading screw and slider nut; Described lamp socket is fixed on the slide block, and slide block is contained in the bakelite base, is embedded with slider nut on the slide block, regulates leading screw and connects slider nut; Be distributed with ball on the slide block circumference, ball is pressed in the arc groove on the bakelite base by spring.
The bottom of described bakelite base is provided with axle sleeve, and the optical axis part of described adjusting leading screw is connected with axle sleeve, and axle sleeve outside screw thread is provided with locking nut.
Described adjusting leading screw is provided with boss, and this boss is between axle sleeve and locking nut.
Be evenly distributed with many group balls on the described slide block circumference.
The top of described adjusting leading screw connects handwheel.
The utility model is compared with existing technologies, has following characteristics:
The utility model can be regulated headlight of railroad locomotive light-resource fousing point easily, regulate laborsaving level and smooth, stressed evenly, accurate positioning regulates the back reliable lock, has avoided the displacement that causes because of vibrations in the locomotive operation.
Description of drawings
Fig. 1 is the utility model structural representation
Among the figure: 1-lamp socket, 2-slide block, 3-bakelite base, 4-spring, 5-ball, 6-regulate leading screw, 7-axle sleeve, 8-locking nut, 9-handwheel, 10-slider nut
The specific embodiment
The utility model is described in further detail below in conjunction with Figure of description.
As shown in fig. 1, a kind of headlight of railroad locomotive is adjusted the focal length device, it is characterized in that: described device comprises lamp socket 1, slide block 2, bakelite base 3, ball 5, regulates leading screw 6 and slider nut 10; Described lamp socket 1 is fixed on the slide block 2, and slide block 2 is contained in the bakelite base 3, is embedded with slider nut 10 on the slide block 2, regulates leading screw 6 and connects slider nut 10, displacement before and after the drive slide block produced when slider nut 10 rotated at adjusting leading screw 6; Be distributed with ball 5 on slide block 2 circumference, ball 5 is pressed in the arc groove on the bakelite base 3 by spring 4, can only move forward and backward thereby make slide block 2 not rotate.
The bottom of described bakelite base 3 is provided with axle sleeve 7, and the optical axis part of described adjusting leading screw 6 is connected with axle sleeve 7, and axle sleeve 7 outside screw threads are provided with locking nut 8.
Described adjusting leading screw 6 is provided with boss, and this boss is between axle sleeve 7 and locking nut 8, and the boss both sides were gapped when locking nut 8 unclamped can rotate, and boss was blocked between base axle sleeve 7 and the locking nut 8 when locking nut 8 was tightened, and regulates leading screw 6 and can not rotate.
Be evenly distributed with many group balls 5 on described slide block 2 circumference.
The top of described adjusting leading screw 6 connects handwheel 9, regulates leading screw 6 and rotates under handwheel 9 effects.
Claims (5)
1. a headlight of railroad locomotive is adjusted the focal length device, it is characterized in that: described device comprises lamp socket (1), slide block (2), bakelite base (3), ball (5), regulates leading screw (6) and slider nut (10); Described lamp socket (1) is fixed on the slide block (2), and slide block (2) is contained in the bakelite base (3), is embedded with slider nut (10) on the slide block (2), regulates leading screw (6) and connects slider nut (10); Be distributed with ball (5) on slide block (2) circumference, ball (5) is pressed in the arc groove on the bakelite base (3) by spring (4).
2. headlight of railroad locomotive according to claim 1 is adjusted the focal length device, it is characterized in that: the bottom of described bakelite base (3) is provided with axle sleeve (7), the optical axis part of described adjusting leading screw (6) is connected with axle sleeve (7), and axle sleeve (7) outside screw thread is provided with locking nut (8).
3. headlight of railroad locomotive according to claim 2 is adjusted the focal length device, and it is characterized in that: described adjusting leading screw (6) is provided with boss, and this boss is between axle sleeve (7) and locking nut (8).
4. headlight of railroad locomotive according to claim 1 is adjusted the focal length device, it is characterized in that: be evenly distributed with many group balls (5) on described slide block (2) circumference.
5. headlight of railroad locomotive according to claim 1 is adjusted the focal length device, it is characterized in that: the top of described adjusting leading screw (6) connects handwheel (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011200271310U CN202008075U (en) | 2011-01-27 | 2011-01-27 | Railway locomotive headlamp focal length regulating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011200271310U CN202008075U (en) | 2011-01-27 | 2011-01-27 | Railway locomotive headlamp focal length regulating device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202008075U true CN202008075U (en) | 2011-10-12 |
Family
ID=44749732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011200271310U Expired - Fee Related CN202008075U (en) | 2011-01-27 | 2011-01-27 | Railway locomotive headlamp focal length regulating device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202008075U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103065904A (en) * | 2012-12-17 | 2013-04-24 | 庄景阳 | Xenon lamp base capable of adjusting focus |
-
2011
- 2011-01-27 CN CN2011200271310U patent/CN202008075U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103065904A (en) * | 2012-12-17 | 2013-04-24 | 庄景阳 | Xenon lamp base capable of adjusting focus |
CN103065904B (en) * | 2012-12-17 | 2015-08-12 | 庄景阳 | The xenon lamp holder of adjustable focus |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107013845A (en) | A kind of low light loss Down lamp adjustment structure | |
CN201330956Y (en) | High-power LED fluorescent light | |
CN202008075U (en) | Railway locomotive headlamp focal length regulating device | |
CN105716005B (en) | A kind of energy-saving lamp rotation adjustment device | |
CN201391827Y (en) | Light distributing lens of big power LED tube light | |
CN102128427A (en) | Connecting device capable of bidirectionally adjusting lighting angle of LED (Light-Emitting Diode) street lamp and operating method thereof | |
CN208846367U (en) | A kind of Novel LED lamp simplicity connection structure | |
CN203356993U (en) | Device for automatically mounting lamp for LED (light-emitting diode) lamp | |
CN205079136U (en) | Take LED passing lamp of mechanism that adjusts luminance | |
CN211656228U (en) | High definition digtal camera of external light filling lamp | |
CN103551676A (en) | Gear shaft positioning mechanism | |
CN203810168U (en) | Lamp holder rotating structure | |
CN106641762A (en) | LED (Light Emitting Diode) lamp device | |
CN107559716A (en) | A kind of new energy advertisement road lamp | |
CN203671487U (en) | Focusing mechanism capable of quickly and steadily moving | |
CN208652361U (en) | Double-colored temperature illuminating module | |
CN201196392Y (en) | Movable lamp cap of LED daylight lamp | |
CN104712954A (en) | Ground insertion type universal LED lamp | |
CN209341039U (en) | A kind of LED light being easily installed multi-angle regulation | |
CN205579303U (en) | Electricity -saving lamp rotation regulation device | |
CN201764425U (en) | Auto-focusing system capable of automatically correcting bulb position for stage lighting | |
CN219510717U (en) | Desk type LED floor lamp | |
CN208075060U (en) | A kind of kitchen ventilator lighting device of automatic sensing | |
CN211694720U (en) | Light-adjusting sliding plate | |
CN203036562U (en) | Light source adjusting device of lamp |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: 20111012 Termination date: 20120127 |